/* 由 build.js 从 apqp-interactive.html 自动抽取 */

/* ============================================================
   APQP 3rd Edition Interactive Timeline — 单文件 / 零依赖 / 浅色工程手册风
   ============================================================ */
:root{
  --paper:#f2f5f8;
  --surface:#fbfcfd;
  --surface-2:#eef3f8;
  --ink:#16232f;
  --ink-2:#4a5b6b;
  --ink-3:#7a8a99;
  --line:#dce4ec;
  --line-2:#c9d5e1;
  --brand:#1f5fa9;
  --brand-deep:#164a86;
  --brand-tint:#e6effa;
  --grid:#bfd8f0;
  --shadow:0 1px 2px rgba(22,35,47,.04),0 12px 34px rgba(22,35,47,.07);
  --ease:cubic-bezier(.22,1,.36,1);
  --ease-2:cubic-bezier(.25,1,.5,1);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",Georgia,serif;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Segoe UI",sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:15px;line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
body.modal-open{overflow:hidden}
button{font-family:inherit;color:inherit}
button:focus-visible,a:focus-visible{outline:3px solid var(--brand);outline-offset:3px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.page{max-width:1280px;margin:0 auto;padding:0 clamp(16px,4vw,52px) 72px}

/* ---------- 页眉 ---------- */
.masthead{
  position:relative;padding:clamp(38px,6vw,72px) 0 30px;border-bottom:1px solid var(--line-2);
  background-image:linear-gradient(rgba(31,95,169,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(31,95,169,.028) 1px,transparent 1px);
  background-size:26px 26px;
}
.masthead::after{content:"";position:absolute;left:0;bottom:-1px;width:92px;height:3px;background:var(--brand)}
.mast-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-bottom:20px}
.mast-kicker{font:600 11px/1.4 var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--brand);border:1px solid var(--line-2);background:var(--surface);padding:6px 10px;border-radius:2px}
.mast-ref{font:500 11px/1.4 var(--mono);letter-spacing:.12em;color:var(--ink-3)}
.mast-row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap}
h1{margin:0;font-family:var(--serif);font-weight:700;font-size:clamp(30px,4.4vw,52px);line-height:1.18;letter-spacing:.01em}
h1 em{display:block;font-style:normal;font-size:.52em;font-weight:400;color:var(--brand);letter-spacing:.16em;margin-top:12px}
.mast-lede{max-width:560px;margin:18px 0 0;color:var(--ink-2);font-size:clamp(14px,1.4vw,16px)}
.mast-side{text-align:right;min-width:190px;padding-bottom:4px}
.mast-side .fig{font:700 34px/1 var(--mono);color:var(--line-2);letter-spacing:-.04em}
.mast-side .fig-cap{font:500 11px/1.6 var(--mono);letter-spacing:.1em;color:var(--ink-3);text-transform:uppercase}
.mast-facts{display:flex;flex-wrap:wrap;gap:0;margin-top:26px;border-top:1px solid var(--line)}
.mast-facts div{padding:12px 26px 0 0;margin-right:26px;border-right:1px solid var(--line);font-size:13px;color:var(--ink-2)}
.mast-facts div:last-child{border-right:0}
.mast-facts b{font:700 15px var(--mono);color:var(--brand);margin-right:6px}

/* ---------- 章节骨架 ---------- */
.section{padding-top:clamp(38px,5vw,58px)}
.sec-head{display:flex;align-items:flex-end;flex-wrap:wrap;gap:12px 18px;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:24px}
.sec-num{font:700 12px/1 var(--mono);letter-spacing:.14em;color:var(--brand);padding-bottom:5px}
.sec-title{margin:0;font:700 clamp(20px,2.4vw,27px)/1.3 var(--serif);letter-spacing:.01em}
.sec-title small{display:block;font:500 11px/1.5 var(--mono);letter-spacing:.12em;color:var(--ink-3);text-transform:uppercase;margin-top:5px}
.sec-aside{margin-left:auto;font-size:13px;color:var(--ink-3);padding-bottom:3px}
.sec-note{font-size:13px;color:var(--ink-2);margin:0 0 20px;padding-left:12px;border-left:2px solid var(--line-2);max-width:960px}

/* ---------- 01 时序图（桌面） ---------- */
.chart-frame{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:4px;box-shadow:var(--shadow);
  padding:18px clamp(14px,2.4vw,30px) 12px;
  background-image:linear-gradient(rgba(31,95,169,.032) 1px,transparent 1px),linear-gradient(90deg,rgba(31,95,169,.032) 1px,transparent 1px);
  background-size:24px 24px;
}
.chart{position:relative;height:444px}
.chart-ms-labels{position:relative;height:54px}
.chart-ms-labels span{position:absolute;left:var(--x);transform:translateX(-50%);top:2px;text-align:center;font-size:13px;line-height:1.45;font-weight:600;color:var(--ink-2);white-space:nowrap}
.chart-ms-labels span::after{content:"";display:block;width:1px;height:7px;background:var(--line-2);margin:3px auto 0}
.chart-plot{position:relative;height:336px;margin-top:4px}
.chart-phase-labels{position:relative;height:52px}
.vlines{position:absolute;top:54px;bottom:52px;left:0;right:0;pointer-events:none;z-index:0}
.vlines i{position:absolute;left:var(--x);top:0;bottom:0;width:1px;background:var(--grid);opacity:.85}
.bars{position:absolute;inset:0;z-index:1}
.bar{position:absolute;left:var(--x);width:var(--w);top:var(--y);height:46px;display:flex;padding:0;border:0;background:none;cursor:pointer;text-align:left;transition:transform .34s var(--ease),opacity .34s var(--ease-2),filter .34s var(--ease-2);transform-origin:center center}
.bar-body{flex:1;min-width:0;display:flex;align-items:center;gap:10px;padding:0 18px;border-radius:23px 0 0 23px;background:linear-gradient(180deg,var(--c1),var(--c2));box-shadow:inset 0 1px 0 rgba(255,255,255,.3),inset 0 -1px 0 rgba(0,0,0,.12);color:#fff;overflow:hidden}
.bar-tail{flex:0 0 28px;height:46px;background:linear-gradient(180deg,var(--c1),var(--c2));clip-path:polygon(0 0,100% 36%,60% 100%,0 100%)}
.bar-idx{flex:0 0 auto;font:700 10px/1 var(--mono);letter-spacing:.06em;color:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.5);border-radius:20px;padding:4px 6px}
.bar-label{font-size:15px;font-weight:600;letter-spacing:.04em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bar:hover{transform:translateY(-3px)}
.bar.is-active{transform:translateY(-4px) scale(1.012);z-index:6;filter:drop-shadow(0 10px 16px rgba(20,40,60,.24))}
.bar.is-active .bar-body{box-shadow:inset 0 1px 0 rgba(255,255,255,.42),inset 0 0 0 2px rgba(255,255,255,.34)}
.bars.has-active .bar:not(.is-active):not(.bar--ghost){opacity:.8;filter:saturate(.92)}
.bars.has-active .bar--ghost{opacity:.62}
.bar--ghost{cursor:default;pointer-events:none;opacity:.92}
.bar--ghost .bar-body{border-radius:4px 0 0 4px;font-style:italic}
.bar--ghost .bar-label{font-size:14px}
.feedback-bar{position:absolute;left:4.4%;width:93.6%;top:288px;height:44px;display:flex;align-items:center;justify-content:center;gap:14px;background:linear-gradient(180deg,#2a6cc4,#174b93);color:#fff;clip-path:polygon(0 50%,1.7% 0,98.3% 0,100% 50%,98.3% 100%,1.7% 100%);box-shadow:inset 0 1px 0 rgba(255,255,255,.3);font-size:15px;font-weight:600;letter-spacing:.1em;z-index:2}
.feedback-bar small{font:500 11px/1 var(--mono);letter-spacing:.06em;color:rgba(255,255,255,.76);border:1px solid rgba(255,255,255,.45);padding:4px 7px;border-radius:2px}
.plabel{position:absolute;left:var(--x);transform:translateX(-50%);top:6px;width:132px;min-height:44px;padding:4px 6px;border:0;border-radius:3px;background:transparent;font-size:13px;font-weight:600;line-height:1.4;color:var(--ink-2);cursor:pointer;transition:color .25s,background .25s,transform .25s var(--ease)}
.plabel::before{content:"";display:block;width:1px;height:8px;background:var(--line-2);margin:0 auto 4px}
.plabel:hover{background:var(--brand-tint);color:var(--brand-deep)}
.plabel.is-active{color:var(--brand-deep);background:var(--brand-tint);transform:translateX(-50%) translateY(-2px)}
.plabel.is-active::before{background:var(--brand);height:10px}
.chart-hint{display:flex;align-items:center;gap:9px;margin-top:12px;padding-top:11px;border-top:1px dashed var(--line);font-size:12px;color:var(--ink-3)}
.chart-hint kbd{font:600 11px var(--mono);border:1px solid var(--line-2);background:var(--surface);padding:2px 6px;border-radius:3px;color:var(--ink-2)}
.chart-hint .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);flex:0 0 auto}

/* ---------- 01 时序图（移动端纵向） ---------- */
.mobile-list{display:none;gap:10px;flex-direction:column}
.mobile-stage{display:flex;align-items:center;gap:14px;width:100%;min-height:64px;padding:10px 14px;background:var(--surface);border:1px solid var(--line);border-left:6px solid var(--c1);border-radius:3px;cursor:pointer;text-align:left;transition:transform .28s var(--ease),box-shadow .28s var(--ease),opacity .28s}
.mobile-stage .ms-num{font:700 12px var(--mono);color:var(--c1);min-width:26px}
.mobile-stage .ms-main{flex:1;min-width:0}
.mobile-stage .ms-main strong{display:block;font-size:15px;font-weight:700}
.mobile-stage .ms-main span{display:block;font-size:12px;color:var(--ink-3);margin-top:1px}
.mobile-stage .ms-arrow{font:600 16px var(--mono);color:var(--ink-3);transition:transform .28s var(--ease)}
.mobile-stage.is-active{transform:translateX(4px);box-shadow:var(--shadow);background:#f8fbff;border-color:var(--line-2);border-left-color:var(--c1);border-left-width:8px;padding-left:12px}
.mobile-stage.is-active .ms-arrow{transform:translateX(4px);color:var(--c1)}
.mobile-list.has-active .mobile-stage:not(.is-active){opacity:.62}
.mobile-gates{display:block;margin-top:14px;font-size:12px;line-height:2.1;color:var(--ink-3)}
.mobile-gates span{margin-right:8px;font-weight:600;color:var(--ink-2)}
.mobile-gates b{font-weight:700;color:var(--brand);font-family:var(--mono);margin:0 3px 0 10px}

/* ---------- 02 输入 / 输出 ---------- */
.stage-nav{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-btn{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line-2);background:var(--surface);border-radius:3px;cursor:pointer;font-size:18px;color:var(--ink-2);transition:background .22s,color .22s,border-color .22s,transform .22s var(--ease)}
.nav-btn:hover:not(:disabled){background:var(--brand-tint);color:var(--brand-deep);border-color:var(--brand);transform:translateY(-2px)}
.nav-btn:disabled{opacity:.36;cursor:not-allowed}
.stage-count{font:700 14px var(--mono);color:var(--ink);min-width:66px;text-align:center;letter-spacing:.04em}
.stage-count span{color:var(--ink-3);font-weight:500}
.detail{position:relative;transition:opacity .18s ease,transform .18s var(--ease-2)}
.detail.is-out{opacity:0;transform:translateY(10px)}
.detail-top{position:relative;padding:22px clamp(18px,2.6vw,30px) 24px;background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--c1,var(--brand));border-radius:3px;box-shadow:var(--shadow);overflow:hidden}
.detail-top::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:linear-gradient(90deg,var(--c1),transparent 72%);opacity:.85;transform-origin:left;animation:sweep .62s var(--ease) both}
@keyframes sweep{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.detail-kicker{display:flex;flex-wrap:wrap;align-items:center;gap:10px 12px;margin-bottom:12px}
.phase-chip{font:700 11px/1 var(--mono);letter-spacing:.1em;color:#fff;background:var(--c1);padding:7px 10px;border-radius:2px}
.detail-range{font-size:12px;color:var(--ink-3)}
.detail-range b{color:var(--ink-2);font-weight:600}
.detail-acts{font:600 11px/1 var(--mono);letter-spacing:.04em;color:var(--brand-deep);background:var(--brand-tint);border:1px solid #cfe0f4;padding:7px 9px;border-radius:2px}
.detail-top h3{margin:0;font:700 clamp(22px,2.6vw,30px)/1.3 var(--serif)}
.detail-top h3 small{display:block;font:500 12px/1.5 var(--mono);letter-spacing:.08em;color:var(--ink-3);margin-top:6px;text-transform:uppercase}
.detail-intro{margin:14px 0 0;max-width:920px;color:var(--ink-2);font-size:14px}

.io-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(18px,2.4vw,30px);margin-top:20px}
.io-col{background:var(--surface);border:1px solid var(--line);border-radius:3px;box-shadow:var(--shadow);padding:0 0 8px}
.io-head{display:flex;align-items:center;gap:10px;padding:16px clamp(16px,2vw,24px);border-bottom:1px solid var(--line)}
.io-mark{width:26px;height:26px;display:grid;place-items:center;border-radius:50%;flex:0 0 auto;font:700 14px var(--mono);color:#fff}
.io-col--in .io-mark{background:var(--brand)}
.io-col--out .io-mark{background:#b0600c}
.io-head h4{margin:0;font-size:15px;font-weight:700;letter-spacing:.02em}
.io-head h4 em{font:500 10px var(--mono);letter-spacing:.12em;color:var(--ink-3);font-style:normal;margin-left:8px;text-transform:uppercase}
.io-count{margin-left:auto;font:600 12px var(--mono);color:var(--ink-3);white-space:nowrap}
.io-list{list-style:none;margin:0;padding:6px clamp(10px,1.4vw,18px) 0}
.io-list li{animation:itemIn .46s var(--ease) both;animation-delay:calc(var(--i)*28ms)}
@keyframes itemIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.io-item{display:flex;align-items:flex-start;gap:12px;width:100%;min-height:56px;padding:12px 8px;border:0;border-bottom:1px solid var(--line);border-radius:3px;background:transparent;cursor:pointer;text-align:left;transition:background .2s,transform .24s var(--ease)}
.io-list li:last-child .io-item{border-bottom:0}
.io-item:hover{background:var(--brand-tint);transform:translateX(3px)}
.io-item:hover .io-more{color:var(--brand);transform:translate(2px,-2px)}
.io-ref{flex:0 0 auto;min-width:42px;text-align:center;font:700 11px/1.5 var(--mono);color:var(--brand-deep);background:var(--brand-tint);border:1px solid #d3e3f6;border-radius:2px;padding:3px 5px;margin-top:1px}
.io-col--out .io-ref{color:#8a4908;background:#fbf0df;border-color:#f0dcbd}
.io-body{flex:1;min-width:0}
.io-body strong{display:block;font-size:14px;font-weight:700;color:var(--ink);line-height:1.45}
.io-brief{display:block;font-size:12.5px;line-height:1.6;color:var(--ink-2);margin-top:3px}
.io-more{flex:0 0 auto;font:600 14px var(--mono);color:var(--ink-3);padding-top:6px;transition:color .2s,transform .24s var(--ease)}
.detail-foot{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;margin-top:16px;padding:12px 2px 0;font-size:12px;color:var(--ink-3)}
.detail-foot .flow{font:600 12px var(--mono);color:var(--brand-deep)}
.detail-foot .cite{margin-left:auto}

/* ---------- 详情弹窗 ---------- */
.modal-backdrop{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:20px;background:rgba(16,32,48,.5);opacity:0;transition:opacity .22s ease}
.modal-backdrop[hidden]{display:none}
.modal-backdrop.is-open{opacity:1}
.modal-card{position:relative;display:flex;flex-direction:column;width:min(660px,100%);max-height:88vh;overflow:hidden;background:var(--surface);border:1px solid var(--line-2);border-top:4px solid var(--mc,var(--brand));border-radius:4px;box-shadow:0 24px 70px rgba(12,28,44,.3);transform:translateY(16px) scale(.985);transition:transform .34s var(--ease)}
.modal-backdrop.is-open .modal-card{transform:none}
.modal-card.is-swap .modal-scroll{animation:modalSwap .3s var(--ease) both}
@keyframes modalSwap{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.modal-close{position:absolute;right:14px;top:14px;width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line-2);background:var(--surface);border-radius:3px;cursor:pointer;font-size:20px;color:var(--ink-2);z-index:2;transition:background .2s,color .2s,transform .2s var(--ease)}
.modal-close:hover{background:var(--brand-tint);color:var(--brand-deep);transform:rotate(90deg)}
.modal-scroll{flex:1;min-height:0;overflow-y:auto;padding:26px clamp(20px,3vw,36px) 18px}
.modal-kicker{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:14px;padding-right:44px}
.modal-ref{font:700 12px/1 var(--mono);letter-spacing:.06em;color:#fff;background:var(--mc,var(--brand));padding:7px 10px;border-radius:2px}
.modal-kind,.modal-phase,.modal-flag{font:600 11px/1 var(--mono);letter-spacing:.04em;color:var(--ink-2);border:1px solid var(--line-2);background:var(--surface-2);padding:6px 9px;border-radius:2px}
.modal-flag{color:#8a4908;background:#fbf0df;border-color:#f0dcbd}
.modal-card h3{margin:0;font:700 clamp(20px,2.6vw,26px)/1.35 var(--serif)}
.modal-en{display:block;margin:5px 0 0;font:500 11px/1.5 var(--mono);letter-spacing:.06em;color:var(--ink-3);text-transform:uppercase}
.modal-detail{margin:16px 0 0;font-size:14px;line-height:1.85;color:var(--ink-2)}
.modal-sec{margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.modal-sec h4{margin:0 0 10px;font-size:13px;font-weight:700;color:var(--ink);letter-spacing:.04em}
.modal-points{list-style:none;margin:0;padding:0}
.modal-points li{position:relative;padding:7px 0 7px 20px;font-size:13px;line-height:1.7;color:var(--ink-2);border-bottom:1px dashed var(--line)}
.modal-points li:last-child{border-bottom:0}
.modal-points li::before{content:"";position:absolute;left:2px;top:15px;width:7px;height:7px;border-radius:50%;background:var(--mc,var(--brand));opacity:.8}
.modal-flow{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}
.modal-flow>div{background:var(--surface-2);border:1px solid var(--line);border-radius:3px;padding:12px 14px}
.modal-flow span{display:block;font:600 10px/1 var(--mono);letter-spacing:.1em;color:var(--ink-3);text-transform:uppercase;margin-bottom:7px}
.modal-flow p{margin:0;font-size:12.5px;line-height:1.6;color:var(--ink-2)}
.modal-refs{margin-top:18px}
.modal-refs>span{display:block;font:600 10px/1 var(--mono);letter-spacing:.1em;color:var(--ink-3);text-transform:uppercase;margin-bottom:9px}
.modal-tags{display:flex;flex-wrap:wrap;gap:7px}
.modal-tags i{font-style:normal;font-size:12px;color:var(--brand-deep);background:var(--brand-tint);border:1px solid #d3e3f6;padding:5px 9px;border-radius:2px}
.modal-context{margin-top:18px;padding:12px 14px;border-left:3px solid var(--mc,var(--brand));background:var(--surface-2);font-size:12.5px;line-height:1.7;color:var(--ink-2)}
.modal-foot{position:static;flex:0 0 auto;display:flex;align-items:center;gap:10px;margin-top:24px;padding:12px clamp(20px,3vw,36px);border-top:1px solid var(--line);background:var(--surface)}
.modal-nav{min-height:40px;padding:8px 12px;border:1px solid var(--line-2);background:var(--surface);border-radius:3px;cursor:pointer;font-size:12px;font-weight:600;color:var(--ink-2);transition:background .2s,color .2s,border-color .2s}
.modal-nav:hover{background:var(--brand-tint);color:var(--brand-deep);border-color:var(--brand)}
.modal-pos{margin-left:auto;font:600 11px var(--mono);color:var(--ink-3)}

/* ---------- 03 里程碑 ---------- */
.ms-frame{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:3px;box-shadow:var(--shadow);padding:clamp(24px,3.4vw,42px) clamp(16px,2.4vw,32px) 30px}
.ms-line{position:absolute;left:8.33%;right:8.33%;top:clamp(24px,3.4vw,42px);height:2px;background:linear-gradient(90deg,var(--line-2),var(--grid),var(--line-2));z-index:0}
.ms-line::after{content:"";position:absolute;right:-1px;top:-4px;border-top:5px solid transparent;border-bottom:5px solid transparent;border-left:8px solid var(--grid)}
.ms-grid{position:relative;z-index:1;list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(6,1fr);gap:0}
.ms-grid>li{display:flex}
.ms-node{display:flex;flex-direction:column;align-items:center;width:100%;height:100%;padding:0 8px;border:0;background:transparent;cursor:pointer;text-align:center;opacity:.9;transition:opacity .3s,transform .3s var(--ease)}
.ms-node:hover{opacity:1;transform:translateY(-3px)}
.ms-gem-wrap{position:relative;width:100%;height:44px;display:grid;place-items:center;margin-bottom:12px}
.ms-gem{width:26px;height:26px;transform:rotate(45deg);border-radius:5px;background:var(--surface);border:2px solid var(--line-2);box-shadow:0 0 0 6px var(--surface);transition:background .35s var(--ease),border-color .35s var(--ease),box-shadow .35s var(--ease),transform .45s var(--ease)}
.ms-node.is-current .ms-gem{background:var(--brand);border-color:var(--brand-deep);box-shadow:0 0 0 6px var(--surface),0 0 0 8px var(--brand-tint);transform:rotate(45deg) scale(1.12)}
.ms-node.is-current.is-end .ms-gem{background:#b0600c;border-color:#8a4908;box-shadow:0 0 0 6px var(--surface),0 0 0 8px #f8ecdb}
.ms-code{font:700 11px/1 var(--mono);letter-spacing:.14em;color:var(--brand);margin-bottom:6px}
.ms-name{font-size:14px;font-weight:700;line-height:1.45;color:var(--ink);max-width:160px}
.ms-en{font:500 10px/1.5 var(--mono);letter-spacing:.02em;color:var(--ink-3);margin-top:5px;max-width:168px}
.ms-desc{font-size:12px;line-height:1.6;color:var(--ink-2);margin-top:10px;max-width:172px;padding-top:10px;border-top:1px solid var(--line)}
.ms-node.is-current .ms-name{color:var(--brand-deep)}
.ms-node.is-current.is-end .ms-name{color:#8a4908}
.ms-phase{margin-top:auto;font:600 10px/1 var(--mono);letter-spacing:.04em;color:var(--ink-3);border:1px solid var(--line);background:var(--surface-2);padding:5px 7px;border-radius:2px}
.ms-node.reveal{animation:gemIn .6s var(--ease) both;animation-delay:calc(var(--j)*90ms)}
@keyframes gemIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* ---------- 页脚 ---------- */
.footer{margin-top:56px;padding-top:20px;border-top:1px solid var(--line-2);display:flex;flex-wrap:wrap;gap:12px 30px;font-size:12px;color:var(--ink-3)}
.footer strong{color:var(--ink-2);font-weight:600}
.footer .right{margin-left:auto}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .ms-grid{grid-template-columns:repeat(3,1fr);row-gap:34px}
  .ms-line{display:none}
  .ms-node{border-left:1px solid var(--line);padding-left:14px;align-items:flex-start;text-align:left;min-height:0}
  .ms-gem-wrap{width:auto;justify-content:start;margin-left:-21px;margin-bottom:6px}
  .ms-name,.ms-en,.ms-desc,.ms-phase{max-width:none}
}
@media (max-width:900px){
  .chart-frame{display:none}
  .mobile-list{display:flex}
  .sec-aside{width:100%;margin-left:0;order:3}
  .mast-side{display:none}
}
@media (max-width:760px){
  .io-grid{grid-template-columns:1fr}
  .ms-grid{grid-template-columns:repeat(2,1fr);row-gap:30px}
  .mast-facts div{padding-right:16px;margin-right:16px}
  .footer .right{margin-left:0;width:100%}
}
@media (max-width:560px){
  body{font-size:14px}
  .mast-facts{gap:0}
  .mast-facts div{width:50%;margin:0;padding:10px 8px 0 0;border-right:0;font-size:12px}
  .sec-head{align-items:flex-start}
  .stage-nav{width:100%;margin-left:0;order:2;justify-content:flex-end}
  .ms-grid{grid-template-columns:1fr;row-gap:0}
  .ms-frame{padding-left:24px;padding-right:18px}
  .ms-node{position:relative;border-left:2px solid var(--line);padding:0 0 26px 20px;align-items:flex-start;text-align:left;margin-left:6px}
  .ms-gem-wrap{position:absolute;left:-12px;top:0;width:26px;height:26px;margin:0}
  .ms-name,.ms-en,.ms-desc,.ms-phase{max-width:none}
  .ms-desc{margin-top:8px;padding-top:8px}
  .ms-phase{margin-top:10px}
  .modal-backdrop{padding:10px;align-items:end}
  .modal-card{width:100%;max-height:92vh;border-radius:6px 6px 0 0}
  .modal-backdrop .modal-card{transform:translateY(24px)}
  .modal-backdrop.is-open .modal-card{transform:none}
  .modal-flow{grid-template-columns:1fr}
  .modal-scroll{padding-top:22px}
  .modal-foot{padding-bottom:max(12px,env(safe-area-inset-bottom))}
  .io-item{gap:9px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}
@media print{
  body{background:#fff}
  .chart-hint,.stage-nav,.footer .right,.modal-backdrop{display:none}
  .chart-frame,.detail-top,.io-col,.ms-frame{box-shadow:none;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .section{page-break-inside:avoid}
}