:root{
  --bg:#0B0B0D; --panel:#131316; --panel2:#17171B; --line:#26262C;
  --fg:#EDEAE5; --mut:#9C9791; --dim:#6B6762;
  --red:#C4302B; --gold:#C9A227; --ok:#4E8F6A; --mid:#B08A3E; --bad:#A3463F;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);
  font:16px/1.85 -apple-system,"PingFang SC","Noto Sans SC",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:"Songti SC","Noto Serif SC",serif;font-weight:600;margin:0;letter-spacing:.01em}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px}
.narrow{max-width:760px}

/* nav */
nav{position:sticky;top:0;z-index:50;background:rgba(11,11,13,.88);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;gap:26px;height:58px;font-size:14px;color:var(--mut)}
nav .brand{color:var(--fg);font-family:"Songti SC",serif;font-size:17px;letter-spacing:.12em}
nav .sp{flex:1}
nav a:hover{color:var(--fg)}
nav a.on{color:var(--fg)}
nav a.on:after{content:"";display:block;height:1px;background:var(--red);margin-top:2px}

/* breadcrumb */
.crumb{font-size:12px;color:var(--dim);padding:26px 0 0;letter-spacing:.06em}
.crumb a:hover{color:var(--mut)}
.crumb span{margin:0 8px;color:#3C3C42}

/* hero */
.hero{position:relative;padding:96px 0 72px;border-bottom:1px solid var(--line);overflow:hidden}
.portrait{position:absolute;right:0;top:-14px;height:calc(100% + 28px);width:min(430px,40vw);pointer-events:none}
.portrait img{width:100%;height:100%;object-fit:cover;object-position:50% 18%;
  filter:grayscale(1) contrast(1.22) brightness(.72);opacity:.6;
  -webkit-mask-image:radial-gradient(115% 88% at 62% 32%,#000 26%,transparent 74%);
          mask-image:radial-gradient(115% 88% at 62% 32%,#000 26%,transparent 74%)}
.portrait:after{content:"";position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(196,48,43,.34),transparent 55%);
  mix-blend-mode:screen;opacity:.55;
  -webkit-mask-image:radial-gradient(115% 88% at 62% 32%,#000 26%,transparent 74%)}
.portrait em{position:absolute;right:28px;bottom:16px;font-style:normal;font-size:10px;
  letter-spacing:.1em;color:#5B5752}
.hero-top{position:relative}
@media(min-width:901px){.hero-copy{padding-right:min(430px,40vw)}}
@media(max-width:900px){.portrait{display:none}}
body:after{content:"";position:fixed;inset:0;pointer-events:none;z-index:80;opacity:.05;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/></filter><rect width='160' height='160' filter='url(%23n)' opacity='0.55'/></svg>")}
.kicker{color:var(--red);letter-spacing:.34em;font-size:11px;text-transform:uppercase}
.hero h1{font-size:84px;line-height:1.02;letter-spacing:.06em;margin:16px 0 12px}
.hero .en{color:var(--dim);letter-spacing:.4em;font-size:11px}
.hero p{max-width:600px;color:#C6C2BC;margin:26px 0 0;font-size:17px}
.stats{display:flex;gap:46px;margin-top:44px;flex-wrap:wrap}
.stat b{display:block;font-family:"Songti SC",serif;font-size:30px;line-height:1.2}
.stat span{color:var(--dim);font-size:11px;letter-spacing:.2em}

/* entries */
.entries{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:56px 0 0}
.entry{background:var(--panel);border:1px solid var(--line);padding:26px 24px;
  transition:.25s;position:relative;overflow:hidden}
.entry:hover{border-color:#3A3A42;transform:translateY(-2px);background:var(--panel2)}
.entry i{font-style:normal;color:var(--red);font-size:11px;letter-spacing:.24em}
.entry h3{font-size:22px;margin:12px 0 8px}
.entry p{margin:0;padding-right:56px;color:var(--mut);font-size:14px}
.entry em{position:absolute;right:20px;bottom:16px;color:#3C3C42;font-style:normal;font-size:12px}

/* section */
section{padding:72px 0;border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:baseline;gap:16px;margin-bottom:6px}
.sec-head i{font-style:normal;color:var(--red);font-size:11px;letter-spacing:.3em}
.sec-head h2{font-size:34px}
.sec-sub{color:var(--mut);margin:0 0 36px;font-size:14px}

/* chips */
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.chip{border:1px solid var(--line);color:var(--mut);padding:6px 14px;border-radius:100px;
  font-size:13px;cursor:pointer;background:transparent;font-family:inherit;transition:.2s}
.chip:hover{color:var(--fg);border-color:#3A3A42}
.chip.on{color:var(--fg);border-color:var(--red)}
.chip b{font-weight:400;color:var(--dim);margin-left:6px;font-size:11px}

/* graph */
.graph-wrap{position:relative;background:radial-gradient(circle at 50% 45%,#15151A 0%,#0C0C0F 70%);
  border:1px solid var(--line);overflow:hidden}
#graph{display:block;width:100%;height:720px;cursor:crosshair}
#cloud{display:block;width:100%;height:760px;cursor:crosshair}
.gtip{position:absolute;pointer-events:none;background:#1B1B20;border:1px solid #33333B;
  padding:10px 12px;font-size:12px;max-width:240px;opacity:0;transition:opacity .15s;z-index:3;line-height:1.6}
.gtip b{display:block;font-family:"Songti SC",serif;font-size:14px;margin-bottom:3px}
.gtip span{color:var(--mut)}
.ghint{position:absolute;left:16px;bottom:14px;font-size:11px;color:var(--dim);letter-spacing:.06em}

/* concept cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px}
.card{background:var(--panel);border:1px solid var(--line);padding:20px 18px;transition:.2s;display:block}
.card:hover{border-color:#3A3A42;background:var(--panel2)}
.card .ch{font-size:10px;letter-spacing:.2em;color:var(--dim)}
.card h4{font-size:18px;margin:8px 0 6px}
.card p{margin:0;color:var(--mut);font-size:13px;line-height:1.7}

/* concept detail */
.concept{padding:34px 0 0}
.concept .tag{display:inline-block;font-size:11px;letter-spacing:.2em;color:var(--red);
  border:1px solid rgba(196,48,43,.35);padding:3px 10px}
.concept h1{font-size:56px;margin:20px 0 10px;letter-spacing:.02em}
.concept .lead{font-size:20px;color:#C6C2BC;font-family:"Songti SC",serif}
.blocks{margin:44px 0 0;display:grid;gap:34px}
.block h3{font-size:12px;letter-spacing:.24em;color:var(--dim);margin-bottom:10px}
.block p{margin:0;font-size:16px;color:#DAD6D0}
.quote{border-left:2px solid var(--red);padding:2px 0 2px 22px;margin:0}
.quote p{font-family:"Songti SC",serif;font-size:19px;line-height:1.75;color:#EDEAE5}
.quote cite{display:block;margin-top:10px;font-style:normal;font-size:12px;color:var(--dim)}
.rel{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.rel a{border:1px solid var(--line);padding:5px 12px;font-size:13px;color:var(--mut)}
.rel a:hover{color:var(--fg);border-color:#3A3A42}
.prevnext{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);
  margin-top:56px;padding:24px 0 80px;font-size:13px;color:var(--mut)}
.prevnext a:hover{color:var(--fg)}

/* tables */
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;color:var(--dim);font-weight:500;font-size:11px;letter-spacing:.16em;
  padding:0 12px 12px 0;border-bottom:1px solid var(--line)}
td{padding:14px 12px 14px 0;border-bottom:1px solid rgba(38,38,44,.6);vertical-align:top;color:#D4D0CA}
td:first-child{color:var(--fg);white-space:nowrap}

/* timeline */
ol.timeline{list-style:none;margin:0;padding:0;border-left:1px solid var(--line)}
.ev{position:relative;padding:13px 0 13px 30px;display:flex;gap:16px;align-items:baseline;
  border-bottom:1px dashed rgba(38,38,44,.65)}
.ev:before{content:"";position:absolute;left:-4px;top:23px;width:7px;height:7px;border-radius:50%;background:var(--red)}
.ev .year{color:var(--red);font-family:"Songti SC",serif;font-size:15px;min-width:96px}
.ev .body{flex:1;color:#D6D2CC;font-size:15px}
.badge{font-size:10px;padding:2px 8px;border-radius:3px;letter-spacing:.12em;border:1px solid}
.badge.ok{color:var(--ok);border-color:rgba(78,143,106,.4)}
.badge.mid{color:var(--mid);border-color:rgba(176,138,62,.4)}
.badge.bad{color:var(--bad);border-color:rgba(163,70,63,.4)}
.ev.hide{display:none}

footer{padding:52px 0 80px;color:var(--dim);font-size:13px}
footer .line{border-top:1px solid var(--line);margin-top:22px;padding-top:22px;
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}

@media(max-width:900px){
  .hero h1{font-size:58px}
  .entries,.cards{grid-template-columns:1fr 1fr}
  #graph{height:520px}
}
@media(max-width:640px){
  .entries,.cards{grid-template-columns:1fr}
  .hero h1{font-size:48px}
  .concept h1{font-size:38px}
  nav .wrap{gap:16px;font-size:13px}
}

/* 藏书 */
.books{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.book{display:flex;gap:14px;background:var(--panel);border:1px solid var(--line);padding:20px}
.book h4{font-size:18px;margin:0 0 4px}
.book .meta{display:block;font-size:11px;color:var(--dim);letter-spacing:.08em;margin-bottom:6px}
.book p{margin:0;color:var(--mut);font-size:13px}
.dot{width:7px;height:7px;border-radius:50%;border:1px solid #4A4A52;margin-top:9px;flex:none}
.dot.on{background:var(--red);border-color:var(--red)}

/* 专题 */
.chapter{position:relative;padding:0 0 56px 0;border-bottom:1px solid var(--line);margin-bottom:56px}
.chapter:last-child{border-bottom:none}
.chapter .num{font-family:"Songti SC",serif;color:var(--red);font-size:12px;letter-spacing:.24em;margin-bottom:10px}
.chapter h2{font-size:34px;margin:0 0 8px}
.chapter .lead{color:#C6C2BC;font-size:18px;font-family:"Songti SC",serif;margin:0 0 18px}
.chapter p{font-size:16px;color:#DAD6D0}
.chapter .bridge{color:var(--mut);font-size:15px;margin-top:26px;font-style:italic}
.chapter .bridge:before{content:"↓ ";color:var(--red);font-style:normal}
@media(max-width:760px){.books{grid-template-columns:1fr}}

/* 解读 */
.lens{display:grid;grid-template-columns:56px 1fr;gap:12px;margin-top:16px;align-items:start}
.lens b{font-weight:400;font-size:11px;letter-spacing:.18em;color:var(--red);padding-top:4px}
.lens p{margin:0;color:#CFCBC5;font-size:15px}
.lens-line{margin-top:14px;padding:14px 16px;background:var(--panel);border-left:2px solid var(--dim);font-size:14px;color:var(--mut)}
.lens-line b{display:block;font-weight:400;font-size:10px;letter-spacing:.2em;color:var(--dim);margin-bottom:6px}

/* 误读 */
.myths{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.myth{background:var(--panel);border:1px solid var(--line);padding:22px 20px}
.myth .claim{position:relative;font-family:"Songti SC",serif;font-size:17px;color:#9C9791;margin-bottom:12px;padding-left:2px}
.myth .claim:after{content:"";position:absolute;left:0;right:0;top:52%;height:1px;background:rgba(196,48,43,.5)}
.myth p{margin:0 0 12px;font-size:14px;color:#D6D2CC}
.myth a{font-size:12px;color:var(--red);letter-spacing:.06em}
@media(max-width:760px){.myths{grid-template-columns:1fr}}

/* ---------- 展示级首页 ---------- */
body.home nav{background:transparent;border-color:transparent;backdrop-filter:none;transition:.4s}
body.home nav.solid{background:rgba(11,11,13,.9);border-color:var(--line);backdrop-filter:blur(14px)}

.stage{position:relative;height:calc(100vh - 58px);min-height:620px;overflow:hidden;
  border-bottom:1px solid var(--line);background:#08080A}
#water{position:absolute;inset:0;width:100%;height:100%;display:block}
.stage:after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 90% at 50% 10%,transparent 40%,rgba(6,6,8,.75) 100%)}
.stage-glow{position:absolute;left:50%;top:44%;width:min(820px,86vw);height:300px;transform:translate(-50%,-50%);
  z-index:1;pointer-events:none;background:radial-gradient(closest-side,rgba(196,48,43,.10),transparent 70%)}
.stage-inner{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;
  align-items:center;text-align:center;z-index:2;pointer-events:none;padding:0 24px;transition:transform .1s linear}
.stage-kicker{color:var(--red);letter-spacing:.4em;font-size:11px;text-transform:uppercase;margin:0 0 26px}
.stage-title{font-family:"Songti SC","Noto Serif SC",serif;font-weight:500;
  font-size:clamp(48px,9.2vw,132px);line-height:.95;letter-spacing:-.01em;margin:0}
.stage-title em{font-style:italic;color:#C9C5BF}
.stage-sub{margin:28px 0 0;color:var(--mut);font-size:clamp(14px,1.4vw,18px);letter-spacing:.24em}
.stage-foot{position:absolute;left:0;right:0;bottom:34px;display:flex;justify-content:center;gap:38px;
  z-index:2;color:var(--dim);font-size:11px;letter-spacing:.22em;pointer-events:none}
.scroll-hint{position:absolute;left:50%;bottom:74px;transform:translateX(-50%);z-index:2;
  color:var(--dim);font-size:10px;letter-spacing:.3em;display:flex;flex-direction:column;align-items:center;gap:10px}
.scroll-hint i{display:block;width:1px;height:34px;background:linear-gradient(var(--dim),transparent);
  animation:drip 2.4s ease-in-out infinite}
@keyframes drip{0%,100%{opacity:.25;transform:scaleY(.6)}50%{opacity:.9;transform:scaleY(1)}}

.manifesto{padding:120px 0 96px;border-bottom:1px solid var(--line)}
.manifesto .lede{font-family:"Songti SC",serif;font-size:clamp(26px,3.4vw,44px);line-height:1.45;margin:0 0 28px;letter-spacing:.01em}
.manifesto p{color:#C6C2BC;font-size:17px;line-height:1.95;margin:0}

.gateways{padding:96px 0 110px;border-bottom:1px solid var(--line)}
.gateways .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gate{position:relative;display:block;padding:34px 30px 30px;min-height:240px;
  background:linear-gradient(180deg,rgba(23,23,27,.9),rgba(15,15,18,.9));
  border:1px solid var(--line);transition:.35s cubic-bezier(.2,.7,.2,1)}
.gate:hover{transform:translateY(-4px);border-color:#3A3A44;background:#17171C}
.gate span{position:absolute;top:22px;right:24px;color:var(--red);font-size:11px;letter-spacing:.2em}
.gate h3{font-size:30px;margin:0 0 12px}
.gate p{margin:0;color:var(--mut);font-size:14px;line-height:1.8;max-width:24ch}
.gate:after{content:"→";position:absolute;left:30px;bottom:24px;color:var(--dim);transition:.3s}
.gate:hover:after{color:var(--red);transform:translateX(4px)}

.more-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.more-links a{border:1px solid var(--line);padding:8px 16px;font-size:13px;color:var(--mut)}
.more-links a:hover{color:var(--fg);border-color:#3A3A44}

.numbers{padding:100px 0;border-bottom:1px solid var(--line)}
.numbers .row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.numbers b{display:block;font-family:"Songti SC",serif;font-size:clamp(40px,5vw,68px);line-height:1;font-weight:500}
.numbers span{display:block;margin-top:12px;color:var(--dim);font-size:11px;letter-spacing:.22em}

.reveal{opacity:0;transform:translateY(20px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.scroll-hint i{animation:none}}
@media(max-width:900px){.gateways .grid{grid-template-columns:1fr}.numbers .row{grid-template-columns:1fr 1fr}}

.portrait-sm{float:right;width:min(280px,38%);margin:6px 0 24px 34px;filter:grayscale(1) contrast(1.15) brightness(.82);opacity:.9}
@media(max-width:760px){.portrait-sm{float:none;width:60%;margin:0 0 24px}}


/* ---------- 跨页转场：从点击处扩散的涟漪 ---------- */
@view-transition { navigation: auto; }

nav { view-transition-name: site-nav; }

::view-transition-old(root) {
  animation: none;
  opacity: 1;
}
::view-transition-new(root) {
  animation: vt-ripple .75s cubic-bezier(.22,.61,.36,1) both;
}
@keyframes vt-fade {
  to { opacity: 0; transform: scale(.995); }
}
@keyframes vt-ripple {
  from { clip-path: circle(0 at var(--vt-x, 50%) var(--vt-y, 50%)); }
  to   { clip-path: circle(75vmax at var(--vt-x, 50%) var(--vt-y, 50%)); }
}
@media (prefers-reduced-motion: reduce) {
  ::view-transition-old(root), ::view-transition-new(root) { animation: none; }
}

.foot-grid{display:flex;justify-content:space-between;gap:30px;align-items:flex-start}
.foot-note{max-width:640px}
.qr{margin:0;text-align:center}
.qr img{width:96px;height:96px;display:block;filter:grayscale(1) contrast(1.1);opacity:.85}
.qr figcaption{margin-top:8px;font-size:10px;letter-spacing:.2em;color:var(--dim)}
@media(max-width:640px){.foot-grid{flex-direction:column}.qr{margin-top:8px}}

/* ---------- 武学 / 电影：结构化版面 ---------- */
.page-head{padding:84px 0 56px;border-bottom:1px solid var(--line)}
.page-head h1{font-size:clamp(48px,6vw,76px);margin:14px 0 18px;letter-spacing:.02em}
.page-head p{max-width:620px;color:#C6C2BC;font-size:17px;margin:0}
.band{padding:76px 0;border-bottom:1px solid var(--line)}

/* 三段演进 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line)}
.step{padding:30px 28px;border-right:1px solid var(--line);position:relative}
.step:last-child{border-right:none}
.step .no{display:block;color:var(--red);font-size:11px;letter-spacing:.24em;margin-bottom:14px}
.step em{display:block;color:var(--dim);font-style:normal;font-size:11px;letter-spacing:.16em;margin-bottom:6px}
.step h4{font-size:22px;margin:0 0 10px}
.step p{margin:0;color:var(--mut);font-size:14px;line-height:1.85}

/* 三块牌匾 */
.plaques{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.plaque{padding:34px 28px;background:linear-gradient(180deg,#141418,#0F0F12);border:1px solid var(--line)}
.plaque span{color:var(--red);font-size:11px;letter-spacing:.24em}
.plaque h3{font-size:38px;margin:18px 0 12px;letter-spacing:.06em}
.plaque p{margin:0;color:var(--mut);font-size:14px;line-height:1.85}

/* 技术骨架 */
.tech-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.tech{background:var(--bg);padding:26px 26px 22px}
.tech:last-child:nth-child(odd){grid-column:span 2}
.tech h3{font-size:19px;margin:0 0 14px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.tech ul{margin:0;padding-left:0;list-style:none}
.tech li{position:relative;padding-left:14px;margin-bottom:9px;color:#C6C2BC;font-size:14px;line-height:1.8}
.tech li:before{content:"";position:absolute;left:0;top:.72em;width:4px;height:4px;background:var(--red);opacity:.75}

/* 七条原理 */
.principles{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--line)}
.principle{display:flex;gap:18px;padding:22px 20px;border-bottom:1px solid var(--line)}
.principle:nth-child(odd){border-right:1px solid var(--line)}
.principle:last-child:nth-child(odd){grid-column:span 2;border-right:none}
.principle span{color:var(--red);font-family:"Songti SC",serif;font-size:13px;letter-spacing:.12em;padding-top:3px}
.principle b{display:block;font-size:17px;margin-bottom:4px}
.principle p{margin:0;color:var(--mut);font-size:14px;line-height:1.8}

/* 普通列表 */
ul.plain{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
ul.plain li{padding:16px 0;border-bottom:1px solid var(--line);color:#C6C2BC;font-size:15px;line-height:1.85}

/* 误读行 */
.mrows{border-top:1px solid var(--line)}
.mrow{display:grid;grid-template-columns:1fr 1.2fr;gap:24px;padding:18px 0;border-bottom:1px solid var(--line);font-size:15px}
.mrow .claim{color:#8C8882;text-decoration:line-through;text-decoration-color:rgba(196,48,43,.6)}
.mrow div:last-child{color:#D6D2CC}

/* 电影：三阶段 */
.eras{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.era{padding:28px 24px;border:1px solid var(--line);background:var(--panel)}
.era em{display:block;font-style:normal;color:var(--dim);font-size:11px;letter-spacing:.18em;margin-bottom:12px}
.era h3{font-size:24px;margin:0 0 10px}
.era p{margin:0;color:var(--mut);font-size:14px;line-height:1.85}

/* 四部主演 */
.filmstrip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.film{padding:28px 22px 24px;border:1px solid var(--line);background:linear-gradient(180deg,#16161A,#0E0E11);min-height:220px;display:flex;flex-direction:column}
.film h3{font-size:26px;margin:0 0 14px;letter-spacing:.04em}
.film .meta{display:flex;justify-content:space-between;color:var(--red);font-size:11px;letter-spacing:.14em;margin-bottom:14px}
.film p{margin:auto 0 0;color:var(--mut);font-size:13px;line-height:1.8}

/* 电影语言 */
.langs{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.lang{padding:28px 24px;border:1px solid var(--line)}
.lang span{color:var(--red);font-size:11px;letter-spacing:.24em}
.lang h3{font-size:20px;margin:14px 0 10px}
.lang p{margin:0;color:var(--mut);font-size:14px;line-height:1.85}

/* 影响 */
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.tile{padding:22px 20px;border:1px solid var(--line);background:var(--panel)}
.tile h4{font-size:15px;margin:0 0 8px;color:var(--red);letter-spacing:.08em}
.tile p{margin:0;color:var(--mut);font-size:13px;line-height:1.8}

/* 立场表 */
.table-wrap{overflow-x:auto}
table.stance{min-width:640px}
table.stance td:first-child{white-space:nowrap;color:var(--fg)}

@media(max-width:900px){
  .steps,.plaques,.eras,.filmstrip,.langs,.tiles,.principles{grid-template-columns:1fr}
  .step{border-right:none;border-bottom:1px solid var(--line)}
  .tech-grid{grid-template-columns:1fr}
  .principle:nth-child(odd){border-right:none}
  .mrow{grid-template-columns:1fr;gap:6px}
}

/* 照片带 */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:10px 0 14px}
.gallery figure{margin:0}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;filter:grayscale(1) contrast(1.08) brightness(.92);display:block}
.gallery figcaption{margin-top:10px;font-size:11px;color:var(--dim);letter-spacing:.04em;line-height:1.6}
.credit{font-size:10px;color:#5B5752;letter-spacing:.08em}

/* 剧照带 */
.still{display:grid;grid-template-columns:300px 1fr;gap:44px;align-items:center;margin:0}
.still img{width:100%;display:block;filter:grayscale(1) contrast(1.1) brightness(.92)}
.still h3{font-size:30px;margin:10px 0 14px}
.still p{color:#C6C2BC;font-size:15px;line-height:1.9;margin:0 0 12px;max-width:52ch}
.still .credit{display:block}

/* 示意图 */
.diagram{margin:8px 0 0;border:1px solid var(--line);padding:26px 22px 18px;background:linear-gradient(180deg,#131317,#0D0D10)}
.diagram svg{width:100%;height:auto;display:block}
.diagram figcaption{margin-top:12px;font-size:12px;color:var(--dim);text-align:center}

@media(max-width:900px){
  .gallery{grid-template-columns:1fr 1fr}
  .still{grid-template-columns:1fr;gap:22px}
  .still img{max-width:320px}
}

/* 品牌 */
nav .brand{letter-spacing:.26em;font-size:14px;font-weight:600}
nav .brand b{font-weight:400;font-size:11px;letter-spacing:.3em;color:var(--dim);margin-left:10px;vertical-align:2px}
.disclaim{margin:18px 0 0;font-size:11px;color:#5B5752;line-height:1.8;max-width:640px}