/* 梵高教育 · "next" homepage concepts (A 光域 aurora · B 大编排 editorial · C 一线 journey).
   Bright, readable, tech-precise. Display type is a self-hosted subset (only the characters on
   these pages) so every device shows the same letterforms. Performance rules: no backdrop-filter,
   no CSS filters on large images, no scroll-linked effects; canvas art pauses off-screen.
   Brand rule: the logo keeps its original red/yellow and sits only on light grounds. */
@font-face{font-family:"FG Display";src:url(fonts/fg-display.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"FG Serif";src:url(fonts/fg-serif.woff2) format("woff2");font-weight:700;font-display:swap}

:root{
  --paper:#f6f7fa; --paper-2:#ffffff; --ink:#191c24; --ink-2:#4b5160; --ink-3:#8a909c;
  --line:rgba(25,28,36,.1); --line-2:rgba(25,28,36,.2);
  --brand:#a81828; --accent:#5a4ff0; --accent-2:#d9861a;
  --grad:linear-gradient(100deg,#2b2fd9 0%,#7b4ff0 45%,#d9861a 100%);
  --display:"FG Display",-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --serif:"FG Serif","Songti SC","STSong","Noto Serif CJK SC",serif;
  --body:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --latin:"Helvetica Neue",Arial,sans-serif;
  --gutter:clamp(20px,5vw,80px); --max:1320px; --r:18px;
  --ease:cubic-bezier(.2,.7,.1,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.85 var(--body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video{display:block;max-width:100%}
p,h1,h2,h3{text-wrap:pretty}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.nx-skip{position:fixed;left:16px;top:-60px;z-index:100;background:#fff;color:#000;padding:8px 14px;border-radius:6px}
.nx-skip:focus{top:12px}

/* ------------------------------------------------ shared atoms */
.nx-kicker{display:flex;align-items:center;gap:12px;margin:0 0 18px;font:500 12px/1 var(--mono);letter-spacing:.22em;text-transform:uppercase;color:var(--accent)}
.nx-kicker::before{content:"";width:28px;height:1px;background:currentColor}
.nx-lede{margin:0;max-width:34em;color:var(--ink-2);font-size:clamp(15px,1.2vw,17px)}
.nx-pill{display:inline-flex;align-items:center;gap:10px;margin:0 0 26px;padding:8px 16px;border:1px solid var(--line-2);border-radius:999px;background:rgba(255,255,255,.7);font-size:13px;letter-spacing:.08em;color:var(--ink-2)}
.nx-pill i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 18%,transparent)}
.nx-index{display:flex;align-items:baseline;gap:10px;margin:0 0 10px;font:500 12px/1 var(--mono);letter-spacing:.18em;color:var(--ink-3)}
.nx-index b{font-weight:500;color:var(--accent)}
.nx-tags{display:flex;flex-wrap:wrap;gap:6px;margin:16px 0 0;padding:0;list-style:none}
.nx-tags li{padding:4px 10px;border:1px solid var(--line-2);border-radius:999px;font-size:12px;line-height:1.5;color:var(--ink-2);background:rgba(255,255,255,.6)}
.nx-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.nx-links a{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 14px;border-radius:999px;background:var(--ink);color:#fff;font-size:14px;letter-spacing:.04em;transition:transform .3s var(--ease),background .3s}
.nx-links a i{font-style:normal;font-family:var(--latin);transition:transform .3s var(--ease)}
.nx-links a:hover{background:var(--accent)}
.nx-links a:hover i{transform:translateX(3px)}
.nx-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 28px;border-radius:999px;font-size:16px;letter-spacing:.06em;transition:transform .35s var(--ease),background .35s,box-shadow .35s,border-color .35s}
.nx-btn svg{width:14px;height:14px}
.nx-btn small{font:12px var(--latin);opacity:.55}
.nx-btn-solid{background:var(--ink);color:#fff;box-shadow:0 14px 30px -14px rgba(25,28,36,.6)}
.nx-btn-solid:hover{transform:translateY(-2px);background:#000}
.nx-btn-line{border:1px solid var(--line-2);background:rgba(255,255,255,.75);color:var(--ink)}
.nx-btn-line:hover{border-color:var(--ink)}
.nx-actions{display:flex;flex-wrap:wrap;gap:12px}
.nx-sechead{max-width:var(--max);margin:0 auto clamp(36px,5vw,64px);padding:0 var(--gutter);display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);column-gap:clamp(24px,6vw,96px);align-items:end}
.nx-sechead .nx-kicker{grid-column:1/-1}
.nx-sechead h2{margin:0;font:700 clamp(32px,4.4vw,60px)/1.15 var(--display);letter-spacing:.01em}
.nx-sechead .nx-lede{justify-self:end;margin-bottom:.5em}

/* reveal */
[data-motion=on] .reveal{opacity:0;transform:translateY(24px);transition:opacity 1s var(--ease),transform 1s var(--ease);transition-delay:var(--d,0s)}
[data-motion=on] .reveal.is-in{opacity:1;transform:none}
[data-motion=off] *,[data-motion=off] *::before,[data-motion=off] *::after{animation:none!important;transition-duration:0s!important}
.ln{display:block;overflow:hidden;padding-bottom:.08em}
.ln>span{display:inline-block}
[data-motion=on] .ln>span{animation:rise 1.25s var(--ease) both;animation-delay:calc(.12s + var(--i)*.14s)}
@keyframes rise{from{transform:translateY(108%)}to{transform:none}}

/* header: light band, logo directly on it */
.nx-head{position:fixed;inset:0 0 auto;z-index:50;display:flex;align-items:center;gap:32px;height:72px;padding:0 var(--gutter);background:rgba(255,255,255,.82);border-bottom:1px solid transparent;transition:height .35s var(--ease),border-color .35s,background .35s}
.nx-head.is-solid{height:62px;background:rgba(255,255,255,.97);border-color:var(--line)}
.nx-brand img{height:38px;width:auto}
.nx-nav{display:flex;gap:32px;margin-left:auto;font-size:14px;letter-spacing:.1em;color:var(--ink-2)}
.nx-nav a{position:relative;padding:6px 0}
.nx-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nx-nav a:hover{color:var(--ink)}
.nx-nav a:hover::after{transform:scaleX(1)}
.nx-head-cta{min-height:40px;padding:0 20px;font-size:14px;border-color:var(--brand);color:var(--brand)}
.nx-head-cta:hover{background:var(--brand);color:#fff}

/* motion switch */
.nx-motion{position:absolute;right:var(--gutter);bottom:28px;z-index:3;display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border:1px solid var(--line-2);border-radius:999px;background:rgba(255,255,255,.8);font:500 11px var(--mono);letter-spacing:.12em;color:var(--ink-2);cursor:pointer}
.nx-motion i{width:8px;height:8px;border-radius:50%;background:var(--accent)}
.nx-motion span::before{content:"动态 ON"}
body[data-motion=off] .nx-motion{border-color:var(--accent);color:var(--ink)}
body[data-motion=off] .nx-motion i{background:transparent;border:1px solid var(--accent)}
body[data-motion=off] .nx-motion span::before{content:"开启动态"}

/* film player (markup shared with home-film-stream.js) */
.nx-film{padding:clamp(80px,10vw,140px) 0}
.nx-film-frame{max-width:calc(var(--max) + 80px);margin:0 auto;padding:0 var(--gutter)}
.nx-film-meta{display:flex;gap:26px;align-items:center;margin:0 0 12px;font:500 11px/1 var(--mono);letter-spacing:.16em;color:var(--ink-3)}
.nx-film-meta span:first-child{margin-right:auto;color:var(--ink-2)}
.nx-film-meta i{display:inline-block;width:7px;height:7px;margin-right:10px;border-radius:50%;background:var(--accent)}
.film-player{position:relative;background:#000;color:#eee;border-radius:var(--r);overflow:hidden;box-shadow:0 40px 80px -40px rgba(25,28,36,.55)}
.film-stage{position:relative;aspect-ratio:16/9;overflow:hidden}
.film-stage video{width:100%;height:100%;object-fit:cover;background:#000}
.film-launch{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;width:100%;border:0;cursor:pointer;color:#fff;background:radial-gradient(ellipse at center,rgba(0,0,0,.08),rgba(0,0,0,.5));letter-spacing:.24em;font-size:15px}
.film-launch[hidden]{display:none}
.film-launch-disc{display:grid;place-items:center;width:clamp(72px,8vw,104px);aspect-ratio:1;border-radius:50%;background:rgba(255,255,255,.92);color:var(--ink);box-shadow:0 0 0 10px rgba(255,255,255,.18);transition:transform .5s var(--ease)}
.film-launch-disc svg{width:30%;margin-left:8%}
.film-launch small{font:12px var(--latin);opacity:.7;letter-spacing:.12em}
.film-launch:hover .film-launch-disc{transform:scale(1.07)}
.film-launch[aria-busy=true] .film-launch-disc{animation:pulse 1.2s ease-in-out infinite}
@keyframes pulse{50%{transform:scale(.94);opacity:.7}}
.film-controls{display:flex;align-items:center;gap:14px;padding:10px 16px;background:#111318;font:13px var(--latin);color:rgba(255,255,255,.75)}
.film-controls[hidden]{display:none}
.film-player:has(.film-launch:not([hidden])) .film-controls{opacity:.55}
.film-player:has(.film-launch:not([hidden])) [data-film-play]{display:none}
.film-controls button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:40px;min-height:40px;padding:0 6px;border:0;background:none;cursor:pointer;color:inherit}
.film-controls svg{width:18px;height:18px}
.film-time{display:flex;gap:6px;font-variant-numeric:tabular-nums;white-space:nowrap}
.film-divider{opacity:.4}
.film-seek{flex:1;min-width:60px;height:24px;margin:0;background:transparent;-webkit-appearance:none;appearance:none;cursor:pointer}
.film-seek::-webkit-slider-runnable-track{height:2px;background:rgba(255,255,255,.28)}
.film-seek::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;margin-top:-5px;border-radius:50%;background:#fff}
.film-seek::-moz-range-track{height:2px;background:rgba(255,255,255,.28)}
.film-seek::-moz-range-thumb{width:12px;height:12px;border:0;border-radius:50%;background:#fff}
.film-seek:disabled{opacity:.5}
.film-error{margin:0;padding:12px 16px;background:#2a1215;color:#f3c9cc;font-size:14px}
.film-player:fullscreen{display:flex;flex-direction:column;justify-content:center;border-radius:0}
.film-player:fullscreen .film-stage{aspect-ratio:auto;flex:1}
.film-player:fullscreen .film-stage video{object-fit:contain}

/* contact */
.nx-visit{padding:0 var(--gutter) clamp(72px,8vw,120px)}
.nx-visit-card{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(32px,6vw,90px);padding:clamp(36px,5vw,72px);border-radius:28px;background:var(--paper-2);border:1px solid var(--line);box-shadow:0 30px 70px -40px rgba(25,28,36,.35)}
.nx-visit-lead h2{margin:0 0 16px;font:700 clamp(30px,3.8vw,52px)/1.15 var(--display)}
.nx-steps{display:grid;grid-template-columns:repeat(3,1fr);margin:34px 0 0;padding:0;list-style:none}
.nx-steps li{position:relative;display:flex;flex-direction:column;gap:3px;padding:16px 16px 0 0;border-top:1px solid var(--line-2)}
.nx-steps li::before{content:"";position:absolute;left:0;top:-4px;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.nx-steps b{font:500 12px/1 var(--mono);letter-spacing:.12em;color:var(--accent)}
.nx-steps strong{font-size:17px;line-height:1.4}
.nx-steps small{font-size:13px;color:var(--ink-3)}
.nx-visit-facts{display:grid;gap:16px;align-content:start;font-style:normal}
.nx-visit-facts>div{padding:22px 24px;border:1px solid var(--line);border-radius:var(--r);background:var(--paper)}
.nx-visit-facts span{display:block;margin-bottom:8px;font-size:13px;letter-spacing:.24em;color:var(--accent)}
.nx-phone{display:inline-flex;align-items:center;gap:.4em;padding:4px 0;font:600 clamp(30px,3.4vw,44px)/1.1 var(--latin);letter-spacing:.02em;white-space:nowrap}
.nx-phone svg{width:.62em;height:.62em;color:var(--accent)}
.nx-where{display:grid;grid-template-columns:1fr auto;align-items:center;column-gap:16px}
.nx-where p{margin:0;font-size:17px;line-height:1.7;color:var(--ink-2)}
.nx-map{grid-column:2;grid-row:1/3;width:110px;height:110px;color:var(--accent)}
.nx-map text{font:500 9px var(--mono);fill:var(--ink-3)}
.nx-map-dot{fill:var(--accent)}
.nx-map-ping{stroke:var(--accent);stroke-width:1.5;transform-origin:80px 80px;animation:ping 2.6s ease-out infinite}
@keyframes ping{from{transform:scale(.6);opacity:.9}to{transform:scale(3);opacity:0}}

/* footer */
.nx-foot{border-top:1px solid var(--line);background:var(--paper-2)}
.nx-foot-in{max-width:var(--max);margin:0 auto;padding:30px var(--gutter) 36px;display:flex;flex-wrap:wrap;align-items:center;gap:16px 36px;font-size:13px;color:var(--ink-3)}
.nx-foot-brand img{height:36px;width:auto}
.nx-foot-motto{margin:0;letter-spacing:.2em}
.nx-foot-in nav{display:flex;flex-wrap:wrap;gap:6px 22px;margin-left:auto}
.nx-foot-in nav a:hover{color:var(--ink)}
.nx-foot-note{width:100%;margin:0}
.nx-dock{display:none}

/* ================================================= A · 光域 aurora */
.aurora{--accent:#5a4ff0}
.aurora{background:#f5f6fb}
.a-hero{position:relative;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;align-items:center;padding:150px var(--gutter) 0;overflow:hidden;isolation:isolate;text-align:center;
  background:radial-gradient(60% 50% at 18% 18%,rgba(140,160,255,.32),transparent 70%),radial-gradient(50% 45% at 85% 12%,rgba(255,190,140,.30),transparent 70%),radial-gradient(70% 60% at 50% 100%,rgba(170,150,255,.28),transparent 70%),#f5f6fb}
.a-planet{position:absolute;left:0;right:0;bottom:0;width:100%;height:62%;z-index:-1}
.a-hero-in{position:relative;max-width:1100px}
.a-title{margin:0;font:700 clamp(52px,9vw,148px)/1.04 var(--display);letter-spacing:.01em;color:var(--ink)}
.a-title em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.a-sub{margin:28px auto 0;max-width:30em;font-size:clamp(16px,1.5vw,20px);color:var(--ink-2)}
.a-hero .nx-actions{justify-content:center;margin-top:34px}
.a-orbit-labels{position:absolute;left:50%;bottom:clamp(40px,8vh,90px);transform:translateX(-50%);display:flex;gap:clamp(18px,5vw,72px);margin:0;padding:0;list-style:none;font-size:14px;letter-spacing:.14em;color:var(--ink-2)}
.a-orbit-labels li{display:flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid rgba(90,79,240,.18);border-radius:999px;background:rgba(255,255,255,.72)}
.a-orbit-labels b{font:500 11px var(--mono);color:var(--accent)}
.a-bento{padding:clamp(90px,11vw,150px) 0 clamp(60px,8vw,100px)}
.a-grid{max-width:var(--max);margin:0 auto;padding:0 var(--gutter);display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(300px,auto);gap:18px}
.a-tile{position:relative;display:flex;flex-direction:column;border-radius:24px;background:#fff;border:1px solid rgba(25,28,36,.07);box-shadow:0 1px 0 rgba(255,255,255,.8) inset,0 24px 50px -36px rgba(40,40,110,.45);overflow:hidden;transition:transform .5s var(--ease),box-shadow .5s}
.a-tile:hover{transform:translateY(-4px);box-shadow:0 34px 60px -36px rgba(40,40,110,.55)}
.a-tile-art{margin:0;height:180px;overflow:hidden}
.a-tile-art img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.a-tile:hover .a-tile-art img{transform:scale(1.05)}
.a-tile-body{display:flex;flex-direction:column;flex:1;padding:24px 26px 26px}
.a-tile h3{margin:0 0 8px;font:700 24px/1.3 var(--display)}
.a-tile-body>p:not(.nx-index){margin:0;font-size:15px;color:var(--ink-2)}
.a-tile .nx-links{margin-top:auto;padding-top:20px}
.a-tile-xl{grid-column:1/3;grid-row:1/3}
.a-tile-xl .a-tile-art{height:auto;flex:1;min-height:320px}
.a-tile-xl h3{font-size:34px}
.a-tile-a{grid-column:3/4;grid-row:1}
.a-tile-b{grid-column:4/5;grid-row:1}
.a-tile-c{grid-column:3/5;grid-row:2;flex-direction:row}
.a-tile-c .a-tile-art{width:42%;height:auto}
.a-tile-a .a-tile-art,.a-tile-b .a-tile-art{height:140px}
.a-statement{padding:clamp(40px,6vw,80px) var(--gutter)}
.a-statement-in{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:clamp(30px,6vw,90px);align-items:center}
.a-statement .nx-kicker{grid-column:1/-1;margin-bottom:0}
.a-promise{margin:0;display:flex;flex-direction:column;gap:.15em;font:700 clamp(34px,4.6vw,66px)/1.25 var(--display)}
.a-promise span:nth-child(2){color:var(--ink-3)}
.a-promise span:nth-child(3){background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.a-wall{margin:0;border-radius:24px;overflow:hidden;box-shadow:0 30px 70px -40px rgba(40,40,110,.55);background:#fff}
.a-wall img{width:100%;aspect-ratio:16/8.6;object-fit:cover}
.a-wall figcaption{padding:12px 18px;font:500 12px var(--mono);letter-spacing:.14em;color:var(--ink-3)}
.aurora .nx-film .nx-sechead,.aurora .nx-film .nx-sechead .nx-kicker{text-align:left}

/* ================================================= B · 大编排 editorial */
.editorial{--paper:#fbfaf7;--paper-2:#ffffff;--ink:#141414;--ink-2:#4a4a4a;--ink-3:#8b8b8b;--line:rgba(20,20,20,.12);--line-2:rgba(20,20,20,.28);--accent:#a81828;--r:4px}
.editorial .nx-sechead h2,.b-serif{font-family:var(--serif)!important;letter-spacing:.02em}
.editorial .nx-btn,.editorial .nx-links a{border-radius:2px}
.editorial .nx-tags li{border-radius:2px;background:transparent}
.editorial .nx-pill,.editorial .nx-motion{border-radius:2px}
.editorial .nx-visit-card{border-radius:4px;box-shadow:none;border-color:var(--line-2)}
.editorial .nx-visit-facts>div{border-radius:2px}
.editorial .nx-links a{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.editorial .nx-links a:hover{background:var(--ink);color:#fff}
/* visible 12-column grid in the hero = the "tech precision" of an editorial system */
.b-hero{position:relative;padding:118px var(--gutter) 40px;background:
  repeating-linear-gradient(90deg,transparent 0,transparent calc((100% - 11 * 1px) / 12),rgba(20,20,20,.05) calc((100% - 11 * 1px) / 12),rgba(20,20,20,.05) calc((100% - 11 * 1px) / 12 + 1px)) var(--gutter) 0/calc(100% - 2 * var(--gutter)) 100% no-repeat,var(--paper)}
.b-hero-top{display:flex;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--ink);font:500 12px var(--mono);letter-spacing:.2em;text-transform:uppercase}
.b-hero-top p{margin:0}
.b-title{margin:clamp(20px,3vw,40px) 0 0;font:700 clamp(60px,12.4vw,210px)/1.02 var(--serif);letter-spacing:-.01em}
.b-title .ln-2{text-align:right}
.b-title .ln-2>span{color:var(--accent)}
.b-hero-foot{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,5vw,80px);align-items:end;margin-top:clamp(24px,3vw,44px);padding-top:24px;border-top:1px solid var(--line-2)}
.b-sub{margin:0 0 24px;max-width:24em;font-size:clamp(17px,1.5vw,21px);line-height:1.7}
.b-hero-index{margin:0;padding:0;list-style:none;border-top:1px solid var(--ink)}
.b-hero-index a{display:grid;grid-template-columns:48px 1fr auto;align-items:baseline;padding:12px 0;border-bottom:1px solid var(--line-2);font-size:16px;transition:padding .35s var(--ease),color .3s}
.b-hero-index b{font:500 12px var(--mono);color:var(--accent)}
.b-hero-index span{font-size:13px;color:var(--ink-3)}
.b-hero-index a:hover{padding-left:8px;color:var(--accent)}
.b-strip{margin:clamp(40px,5vw,70px) calc(-1 * var(--gutter)) 0}
.b-strip img{width:100%;aspect-ratio:21/8;object-fit:cover;object-position:50% 40%}
.b-strip figcaption{display:flex;gap:28px;padding:12px var(--gutter);font:500 12px var(--mono);letter-spacing:.14em;color:var(--ink-3)}
.b-strip figcaption span:last-child{margin-left:auto}
.b-hero .nx-motion{top:84px;bottom:auto}
.b-index{padding:clamp(90px,11vw,150px) 0}
.b-rows{max-width:var(--max);margin:0 auto;padding:0 var(--gutter);border-top:2px solid var(--ink)}
.b-row{display:grid;grid-template-columns:110px minmax(0,1fr) minmax(0,1.3fr) 220px;gap:clamp(18px,3vw,44px);align-items:start;padding:34px 0;border-bottom:1px solid var(--line-2)}
.b-row-no{margin:0;font:700 64px/0.9 var(--serif);color:var(--accent)}
.b-row-head h3{margin:0;font:700 clamp(26px,2.6vw,36px)/1.25 var(--serif)}
.b-row-body>p{margin:0;font-size:16px;color:var(--ink-2)}
.b-row-art{margin:0;overflow:hidden;border-radius:2px}
.b-row-art img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 1.1s var(--ease)}
.b-row:hover .b-row-art img{transform:scale(1.06)}
.b-quote{padding:0 var(--gutter) clamp(40px,6vw,80px)}
.b-quote-in{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:clamp(30px,6vw,90px);align-items:end;padding-top:40px;border-top:1px solid var(--line-2)}
.b-quote .nx-kicker{grid-column:1/-1}
.b-promise{margin:0;display:flex;flex-direction:column;font:700 clamp(36px,4.6vw,76px)/1.2 var(--serif)}
.b-promise span{white-space:nowrap}
.b-promise span{display:flex;align-items:baseline;gap:18px}
.b-promise i{font:500 13px var(--mono);font-style:normal;color:var(--accent);letter-spacing:.1em}
.b-promise span:nth-child(3){color:var(--accent)}
.b-quote-art{margin:0}
.b-quote-art img{width:100%;aspect-ratio:4/3.2;object-fit:cover}
.b-quote-art figcaption{display:flex;gap:18px;padding-top:10px;font:500 12px var(--mono);letter-spacing:.14em;color:var(--ink-3)}
.editorial .film-player{border-radius:2px}
.editorial .nx-film-frame{max-width:none;padding:0}
.editorial .nx-film-meta{padding:0 var(--gutter)}
.editorial .film-launch-disc{border-radius:2px}
.editorial .nx-phone{font-family:var(--serif)}

/* ================================================= C · 一线 journey */
.journey{--paper:#f7f7f4;--paper-2:#ffffff;--accent:#c8202f;--accent-2:#e08a1a;--grad:linear-gradient(100deg,#c8202f,#e08a1a)}
.c-main{position:relative}
.c-line{position:absolute;left:0;top:0;width:100%;height:100%;pointer-events:none;z-index:0;overflow:visible}
.c-line path{fill:none;stroke-linecap:round;stroke-linejoin:round}
.c-line-base{stroke:rgba(25,28,36,.12);stroke-width:1.5;stroke-dasharray:3 7}
.c-line-draw{stroke:url(#c-grad);stroke:var(--accent);stroke-width:2.2;transition:stroke-dashoffset 1.6s var(--ease)}
.c-main::before{content:"";position:absolute;left:0;right:0;top:0;height:100vh;height:100svh;background:radial-gradient(rgba(25,28,36,.08) 1px,transparent 1px) 0 0/22px 22px;-webkit-mask-image:linear-gradient(180deg,#000 60%,transparent);mask-image:linear-gradient(180deg,#000 60%,transparent);pointer-events:none}
.c-hero{position:relative;z-index:1;min-height:100vh;min-height:100svh;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:clamp(20px,4vw,60px);padding:110px var(--gutter) 60px}
.c-title{margin:0;font:700 clamp(44px,5.6vw,96px)/1.1 var(--display);white-space:nowrap}
.c-title em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.c-sub{margin:26px 0 34px;max-width:26em;font-size:clamp(16px,1.4vw,20px);color:var(--ink-2)}
.c-hero-art{position:relative;align-self:stretch;min-height:520px}
.c-tree{position:absolute;inset:0;width:100%;height:100%}
.c-root{position:absolute;left:50%;bottom:4%;width:12px;height:12px;margin-left:-6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 6px rgba(200,32,47,.15)}
.c-steps{position:relative;z-index:1;padding:clamp(80px,10vw,140px) 0 40px}
.c-step{position:relative;max-width:var(--max);margin:0 auto 90px;padding:0 var(--gutter);display:grid;grid-template-columns:minmax(0,1fr) 80px minmax(0,1fr);align-items:center}
.c-node{grid-column:2;grid-row:1;justify-self:center;display:grid;place-items:center;width:58px;height:58px;border-radius:50%;background:#fff;border:2px solid var(--accent);font:600 15px var(--mono);color:var(--accent);box-shadow:0 0 0 8px var(--paper);position:relative;z-index:2}
.c-card{grid-column:1;grid-row:1;padding:30px 32px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:0 24px 50px -36px rgba(25,28,36,.4)}
.c-card h3{margin:0 0 8px;font:700 clamp(26px,2.4vw,34px)/1.25 var(--display)}
.c-card>p:not(.nx-index){margin:0;color:var(--ink-2)}
.c-art{grid-column:3;grid-row:1;margin:0;border-radius:22px;overflow:hidden;box-shadow:0 24px 50px -36px rgba(25,28,36,.45)}
.c-art img{width:100%;aspect-ratio:4/3;object-fit:cover}
.c-step:nth-of-type(even) .c-card{grid-column:3}
.c-step:nth-of-type(even) .c-art{grid-column:1}
.c-promise{position:relative;z-index:1;max-width:900px;margin:0 auto;padding:clamp(60px,8vw,110px) var(--gutter);text-align:center}
.c-promise .nx-kicker{justify-content:center}
.c-promise-lines{margin:0;display:flex;flex-direction:column;font:700 clamp(36px,5vw,72px)/1.25 var(--display)}
.c-promise-lines span:nth-child(2){color:var(--ink-3)}
.c-promise-lines span:nth-child(3){background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.journey .nx-film,.journey .nx-visit{position:relative;z-index:1}
.journey .nx-sechead{position:relative;z-index:1;padding-top:18px;padding-bottom:18px;background:var(--paper)}
.journey .nx-links a:hover{background:var(--accent)}

/* ================================================= abstract stage graphics (replace photos) */
.v-art{display:block;width:100%;height:100%;background:linear-gradient(160deg,color-mix(in srgb,var(--accent) 7%,#fff),color-mix(in srgb,var(--accent-2) 8%,#fff))}
.v-grid path{stroke:var(--ink);stroke-opacity:.06;stroke-width:1}
.v-line{fill:none;stroke:var(--accent);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.v-line-xl{stroke-width:3}
.v-thin{fill:none;stroke:var(--ink);stroke-opacity:.18;stroke-width:1}
.v-area{fill:color-mix(in srgb,var(--accent) 10%,transparent)}
.v-bar{fill:color-mix(in srgb,var(--accent) 12%,transparent)}
.v-dot{fill:#fff;stroke:var(--accent);stroke-width:2}
.v-dot-s{fill:var(--ink);fill-opacity:.35}
.v-hi{fill:var(--accent-2)}
.v-ring{fill:none;stroke:var(--accent-2);stroke-opacity:.5;stroke-width:1.2;transform-box:fill-box;transform-origin:center;animation:vring 3s ease-out infinite}
@keyframes vring{0%{transform:scale(.6);opacity:1}100%{transform:scale(1.6);opacity:0}}
.v-sun{fill:var(--accent-2);filter:none;opacity:.9}
.v-no{font:600 64px var(--latin);fill:var(--ink);fill-opacity:.06}
.v-lb{font:500 22px var(--body);fill:var(--ink);fill-opacity:.75;letter-spacing:.06em}
.a-tile-art .v-art,.c-art .v-art,.b-row-art .v-art{aspect-ratio:auto;height:100%}
.c-art{aspect-ratio:4/3;background:#fff}
.b-row-art{aspect-ratio:4/3}
.b-strip .v-art{aspect-ratio:21/6;height:auto}
.b-quote-art .v-art{aspect-ratio:4/3.2;height:auto}
.a-wall .v-art{aspect-ratio:16/8.6;height:auto}

/* ================================================= D · 地平线 horizon */
.horizon{--paper:#f6f7fb;--accent:#4f46e5;--accent-2:#f08a24;--grad:linear-gradient(100deg,#4f46e5 0%,#9b4de0 45%,#f08a24 100%)}
.d-hero{position:relative;height:100vh;height:100svh;min-height:680px;overflow:hidden;isolation:isolate;text-align:center;
  --hy:73%;
  background:
    linear-gradient(180deg,transparent calc(var(--hy) - .5px),rgba(79,70,229,.25) calc(var(--hy) - .5px),rgba(79,70,229,.25) calc(var(--hy) + .5px),transparent calc(var(--hy) + .5px)),
    linear-gradient(180deg,transparent var(--hy),rgba(232,234,255,.65) 100%),
    radial-gradient(55% 60% at 50% var(--hy),rgba(255,190,120,.55) 0%,rgba(255,170,140,.22) 25%,rgba(160,140,255,.10) 60%,rgba(160,140,255,0) 100%),
    linear-gradient(180deg,#eef0ff 0%,#f6f3ff 34%,#fff1e4 56%,#fbf7f2 62%,#f4f5fb 100%)}
.d-field{position:absolute;left:0;right:0;bottom:0;top:calc(var(--hy) - 110px);width:100%;height:calc(100% - var(--hy) + 110px);z-index:-1}
.d-hero-in{position:relative;max-width:1200px;margin:0 auto;padding:clamp(100px,13vh,130px) var(--gutter) 0}
.d-eyebrow{margin:0 0 20px;font:500 13px/1 var(--mono);letter-spacing:.28em;color:var(--ink-2)}
.d-title{margin:0;font:700 clamp(52px,7.4vw,132px)/1.04 var(--display);letter-spacing:.02em;color:var(--ink)}
.d-title em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.d-sub{margin:20px auto 0;max-width:30em;font-size:clamp(16px,1.4vw,19px);color:var(--ink-2)}
.d-hero .nx-actions{justify-content:center;margin-top:24px}
.d-scroll{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);margin:0;font:500 10px var(--mono);letter-spacing:.4em;color:var(--ink-3)}
.d-bento .a-tile-art{background:#fff}
.d-promise{position:relative;padding:clamp(80px,10vw,140px) 0 0;text-align:center;overflow:hidden}
.d-promise-in{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.d-promise .nx-kicker{justify-content:center}
.d-promise-lines{margin:0;display:flex;flex-direction:column;font:700 clamp(38px,5.6vw,84px)/1.22 var(--display)}
.d-promise-lines span:nth-child(2){color:var(--ink-3)}
.d-promise-lines span:nth-child(3){background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.d-promise-art{margin:clamp(30px,4vw,60px) 0 0}
.d-promise-art .v-art{aspect-ratio:1600/380;height:auto;background:transparent}

/* ================================================= D refinements: atmosphere, ridges, grain */
.d-ridge{position:absolute;left:0;right:0;width:100%;height:clamp(60px,9vh,110px);top:calc(var(--hy) - clamp(60px,9vh,110px) + 1px);z-index:-2;pointer-events:none}
.d-ridge .r1{fill:rgba(150,145,215,.20)}
.d-ridge .r2{fill:rgba(190,175,230,.28)}
.d-hero::before{content:"";position:absolute;left:0;right:0;top:calc(var(--hy) - 70px);height:140px;z-index:-1;pointer-events:none;background:radial-gradient(60% 50% at 50% 50%,rgba(255,255,255,.75),rgba(255,255,255,0) 70%)}
.d-hero::after{content:"";position:absolute;left:0;right:0;top:0;height:calc(var(--hy) - 40px);-webkit-mask-image:linear-gradient(180deg,#000 75%,transparent);mask-image:linear-gradient(180deg,#000 75%,transparent);z-index:1;pointer-events:none;opacity:.22;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.1 0 0 0 0 0.1 0 0 0 0 0.2 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.d-hero-in,.d-hero .nx-motion,.d-scroll{z-index:2}
.d-title{text-shadow:0 1px 0 rgba(255,255,255,.6)}
.d-title em{text-shadow:none}

/* ================================================= D chapters */
.d-toc{position:sticky;top:62px;z-index:20;display:flex;justify-content:center;gap:clamp(8px,3vw,40px);padding:12px var(--gutter);background:rgba(246,247,251,.94);border-bottom:1px solid var(--line);font-size:14px;letter-spacing:.08em}
.d-toc a{display:inline-flex;align-items:center;gap:10px;padding:6px 4px;color:var(--ink-2);border-bottom:2px solid transparent;transition:color .3s,border-color .3s}
.d-toc a b{font:500 11px var(--mono);color:var(--accent)}
.d-toc a:hover{color:var(--ink);border-color:var(--accent-2)}
.d-ch{max-width:calc(var(--max) + 80px);margin:0 auto;padding:clamp(80px,10vw,140px) var(--gutter);display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:clamp(36px,5vw,84px);align-items:center;scroll-margin-top:110px}
.d-ch-flip{grid-template-columns:minmax(0,1fr) minmax(0,1.4fr)}
.d-ch+.d-ch{border-top:1px solid var(--line)}
.d-ch-flip .d-ch-art{order:2}
.d-ch-art{margin:0;border-radius:6px;overflow:hidden;box-shadow:0 2px 0 rgba(255,255,255,.7) inset,0 50px 90px -50px rgba(25,28,36,.55),0 18px 36px -24px rgba(25,28,36,.35)}
.d-ch-art img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;transition:transform 1.4s var(--ease)}
.d-ch:hover .d-ch-art img{transform:scale(1.025)}
.d-ch-index{display:flex;align-items:baseline;gap:10px;margin:0 0 18px;font:500 12px var(--mono);letter-spacing:.2em;color:var(--ink-3)}
.d-ch-index b{font:600 42px/1 var(--latin);letter-spacing:-.01em;color:var(--ink)}
.d-ch-index em{font-style:normal;margin-left:auto;color:var(--accent)}
.d-ch-key{display:inline-block;margin:0 0 14px;padding:5px 12px;border:1px solid var(--line-2);border-radius:999px;font-size:13px;letter-spacing:.16em;color:var(--ink-2)}
.d-ch h2{margin:0 0 20px;font:700 clamp(34px,3.6vw,54px)/1.2 var(--display);letter-spacing:.01em}
.d-ch-lede{margin:0 0 26px;font-size:17px;line-height:1.9;color:var(--ink-2)}
.d-ch-steps{display:flex;flex-wrap:wrap;margin:0 0 24px;padding:0;list-style:none;border-top:1px solid var(--line-2)}
.d-ch-steps li{flex:1 1 0;min-width:84px;display:flex;flex-direction:column;gap:4px;padding:14px 10px 0 0;position:relative}
.d-ch-steps li::before{content:"";position:absolute;left:0;top:-4px;width:7px;height:7px;border-radius:50%;background:var(--accent-2)}
.d-ch-steps b{font:600 13px var(--mono);color:var(--accent)}
.d-ch-steps span{font-size:15px;font-weight:600;color:var(--ink)}
.d-ch-who{margin:0 0 28px;padding:14px 16px;border-left:2px solid var(--accent-2);background:rgba(255,255,255,.7);font-size:14px;line-height:1.8;color:var(--ink-2)}
.d-ch-who span{display:block;font:500 11px var(--mono);letter-spacing:.2em;color:var(--accent);margin-bottom:2px}
.d-ch-actions{display:flex;flex-wrap:wrap;gap:12px}
.d-ch-actions .nx-btn i{font-style:normal;font-family:var(--latin)}
.d-more{margin:16px 0 0;font-size:14px;color:var(--ink-3)}
.d-more a{margin-left:14px;color:var(--ink);border-bottom:1px solid var(--line-2)}
.d-more a:hover{color:var(--accent);border-color:var(--accent)}
.d-promise{padding:clamp(80px,10vw,140px) var(--gutter);border-top:1px solid var(--line)}

/* ================================================= responsive */
@media (max-width:1080px){
  .nx-nav{gap:20px}
  .a-grid{grid-template-columns:1fr 1fr}
  .a-tile-xl{grid-column:1/3;grid-row:auto}
  .a-tile-a,.a-tile-b{grid-column:auto;grid-row:auto}
  .a-tile-c{grid-column:1/3;grid-row:auto}
  .b-row{grid-template-columns:80px minmax(0,1fr) minmax(0,1.3fr)}
  .b-row-art{display:none}
  .nx-sechead{grid-template-columns:1fr}
  .nx-sechead .nx-lede{justify-self:start;margin-top:14px}
}
@media (max-width:780px){
  body{font-size:15.5px}
  .nx-head{height:58px;gap:12px}
  .nx-head.is-solid{height:54px}
  .nx-brand img{height:28px}
  .nx-nav,.nx-head-cta{display:none}
  .nx-btn{min-height:48px;padding:0 22px;flex:1 1 auto}
  .nx-motion{bottom:16px;right:16px;height:40px}
  .nx-steps{grid-template-columns:1fr}
  .nx-steps li{padding:12px 0 12px 22px;border-top:0;border-left:1px solid var(--line-2)}
  .nx-steps li::before{left:-4px;top:18px}
  /* contact: drop the outer card on phones so the inner cards get the full width */
  .nx-visit{padding:0 16px 64px}
  .nx-visit-card{grid-template-columns:1fr;gap:28px;padding:8px 4px 0;border:0;border-radius:0;background:transparent;box-shadow:none}
  .editorial .nx-visit-card{border:0}
  .nx-visit-facts>div{padding:18px 18px}
  .nx-where{grid-template-columns:1fr 76px}
  .nx-where p{font-size:16px}
  .nx-phone{font-size:clamp(28px,8.4vw,34px)}
  .nx-map{width:88px;height:88px}
  .nx-film-meta{gap:12px;padding:0 4px;font-size:9px;letter-spacing:.08em}
  .nx-film-meta span:nth-child(3){display:none}
  .nx-film-frame{padding:0 12px}
  .film-player{border-radius:14px}
  .nx-foot-in nav{display:grid;grid-template-columns:repeat(3,1fr);gap:0;width:100%;margin:0;border-top:1px solid var(--line)}
  .nx-foot-in nav a{display:flex;align-items:center;min-height:44px;font-size:14px;border-bottom:1px solid var(--line)}
  .nx-foot-in{padding-bottom:100px}
  .nx-dock{position:fixed;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom));z-index:60;display:flex;gap:8px;padding:6px;border-radius:999px;background:rgba(255,255,255,.97);border:1px solid var(--line);box-shadow:0 14px 34px -14px rgba(0,0,0,.35);transform:translateY(140%);transition:transform .5s var(--ease)}
  .nx-dock.is-on{transform:none}
  .nx-dock a{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;min-height:46px;border-radius:999px;font-size:15px;letter-spacing:.08em;color:var(--ink-2)}
  .nx-dock svg{width:16px;height:16px}
  .nx-dock-call{background:var(--ink);color:#fff!important}
  /* D */
  .d-toc{top:54px;justify-content:flex-start;overflow-x:auto;gap:18px;padding:10px 16px;font-size:13px;scrollbar-width:none}
  .d-toc::-webkit-scrollbar{display:none}
  .d-toc a{flex:none}
  .d-ch{grid-template-columns:1fr;gap:26px;padding:56px 16px}
  .d-ch-flip{grid-template-columns:1fr}
  .d-ch-flip .d-ch-art{order:0}
  .d-ch-index b{font-size:34px}
  .d-ch-index em{font-size:9px;letter-spacing:.1em}
  /* steps as a vertical timeline on phones */
  .d-ch-steps{flex-direction:column;border-top:0;border-left:1px solid var(--line-2);margin-left:4px}
  .d-ch-steps li{flex:none;min-width:0;flex-direction:row;align-items:baseline;gap:12px;padding:8px 0 8px 18px}
  .d-ch-steps li::before{left:-4px;top:16px}
  .d-hero .nx-motion{right:auto;left:16px}
  .d-toc a{min-height:42px}
  .d-more{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
  .d-more a{display:inline-flex;align-items:center;min-height:42px;margin-left:0;padding:0 16px;border:1px solid var(--line-2);border-radius:999px}
  .d-ch-actions .nx-btn{flex:1 1 100%}
  .d-hero{min-height:620px;--hy:70%}
  .d-hero-in{padding-top:96px}
  .d-eyebrow{font-size:10px;letter-spacing:.14em;margin-bottom:14px}
  .d-title{font-size:clamp(44px,13vw,62px)}
  .d-promise-art .v-art{aspect-ratio:1000/380}
  /* A */
  .a-hero{padding-top:110px}
  .a-title{font-size:clamp(44px,13vw,64px)}
  .a-planet{height:46%}
  .a-orbit-labels{display:grid;grid-template-columns:1fr 1fr;gap:6px;bottom:66px;width:calc(100% - 64px);font-size:12px}
  .a-orbit-labels li{justify-content:center}
  .a-hero .nx-motion{bottom:18px;right:50%;transform:translateX(50%)}
  .a-orbit-labels li{padding:5px 10px}
  .a-grid{grid-template-columns:1fr;grid-auto-rows:auto}
  .a-tile-xl,.a-tile-a,.a-tile-b,.a-tile-c{grid-column:1;grid-row:auto}
  .a-tile-c{flex-direction:column}
  .a-tile-c .a-tile-art{width:100%;height:160px}
  .a-tile-xl .a-tile-art{min-height:200px}
  .a-tile-xl h3{font-size:26px}
  .a-statement-in{grid-template-columns:1fr}
  /* B */
  .b-hero{padding-top:84px}
  .b-hero-top{font-size:10px;letter-spacing:.12em}
  .b-title{font-size:clamp(46px,14vw,70px)}
  .b-hero-foot{grid-template-columns:1fr}
  .b-strip img{aspect-ratio:4/3}
  .b-strip figcaption{flex-wrap:wrap;gap:6px 14px;font-size:10px}
  .b-strip figcaption span:last-child{margin-left:0}
  .b-row{grid-template-columns:1fr;gap:12px;padding:26px 0}
  .b-row-no{font-size:44px}
  .b-quote-in{grid-template-columns:1fr}
  .b-promise span{white-space:normal}
  .b-hero .nx-motion{top:auto;bottom:16px}
  /* C */
  .c-hero{grid-template-columns:1fr;padding-top:96px;gap:0}
  .c-hero-art{order:-1;min-height:300px}
  .c-title{font-size:clamp(40px,11.5vw,58px);white-space:normal}
  .c-promise{text-align:left;padding-left:62px}
  .c-promise .nx-kicker{justify-content:flex-start}
  .c-step{grid-template-columns:44px minmax(0,1fr);gap:0 14px;margin-bottom:46px}
  .c-node{grid-column:1;grid-row:1;width:40px;height:40px;font-size:12px;box-shadow:0 0 0 5px var(--paper);align-self:start}
  .c-card,.c-step:nth-of-type(even) .c-card{grid-column:2;grid-row:1;padding:22px 20px}
  .c-art,.c-step:nth-of-type(even) .c-art{grid-column:2;grid-row:2;margin-top:12px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* ================================================================ artwork overlays (painted background + live vector layer) */
.art{position:relative;margin:0;overflow:hidden}
.art>img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.art-ov{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.art-ov text{font-family:var(--display);font-weight:700}
.art-ov .ov-mono{font-family:var(--mono);font-weight:500}
.art-ov .ov-serif{font-family:var(--serif);font-weight:700}
.art-ov .ov-ping{transform-box:fill-box;transform-origin:center;opacity:0;animation:ovping 4.5s ease-out infinite;animation-delay:calc(var(--i,0) * .9s)}
.art-ov .ov-flag{transform-box:fill-box;transform-origin:0 50%;animation:ovflag 2.6s steps(20) infinite}
.art-ov .ov-glow{animation:ovglow 4.5s steps(36) infinite;animation-delay:calc(var(--i,0) * 1.5s)}
.art-ov .ov-beam{transform-box:fill-box;transform-origin:50% 100%;animation:ovbeam 3.2s steps(28) infinite;animation-delay:calc(var(--i,0) * .7s)}
.art-ov .ov-blink{animation:ovblink 2.4s steps(16) infinite;animation-delay:calc(var(--i,0) * .8s)}
.art-ov .ov-fill{transform-box:fill-box;transform-origin:0 50%;transform:scaleX(0)}
.art-ov .ov-draw{stroke-dasharray:1;stroke-dashoffset:1}
.art-ov.is-seen .ov-fill{animation:ovfill 1.1s var(--ease) forwards;animation-delay:calc(.5s + var(--i,0) * .35s)}
.art-ov.is-seen .ov-draw{animation:ovdraw 1.8s var(--ease) forwards;animation-delay:calc(.2s + var(--i,0) * .16s)}
.art-ov:not(.is-live) *{animation-play-state:paused!important}
[data-motion=off] .art-ov *{animation:none!important}
[data-motion=off] .art-ov .ov-draw{stroke-dashoffset:0}
[data-motion=off] .art-ov .ov-fill{transform:none}
[data-motion=off] .art-ov .ov-mover,[data-motion=off] .art-ov .ov-ping{display:none}
@keyframes ovping{0%{transform:scale(1);opacity:.85}28%{transform:scale(2.3);opacity:0}100%{transform:scale(2.3);opacity:0}}
@keyframes ovflag{50%{transform:skewY(-7deg) scaleX(.9)}}
@keyframes ovglow{0%,100%{opacity:.5}50%{opacity:1}}
@keyframes ovbeam{0%,100%{transform:scaleY(.82);opacity:.65}50%{transform:none;opacity:1}}
@keyframes ovblink{0%,100%{opacity:1}50%{opacity:.25}}
@keyframes ovfill{to{transform:none}}
@keyframes ovdraw{to{stroke-dashoffset:0}}

/* ================================================================ D 地平线 · release refinements */
.nx-btn i{font-style:normal;font-family:var(--latin);transition:transform .35s var(--ease)}
.nx-btn:hover i{transform:translateY(2px)}
.d-ch:hover .d-ch-art img{transform:none}
.d-ch-art.art{border-radius:6px}

/* section index under the hero: centred on desktop, a slow ticker on phones */
.d-toc{overflow:hidden}
.d-toc-track{display:flex;justify-content:center;gap:clamp(8px,3vw,40px)}
.d-toc-dup{display:none}
@media (max-width:780px){
  .d-toc{padding:0;display:block}
  .d-toc-track{justify-content:flex-start;gap:0;width:max-content;animation:tocrun 26s linear infinite}
  .d-toc-dup{display:flex}
  .d-toc-track a{padding:0 22px;min-height:46px;border-bottom:0}
  .d-toc-track a::after{content:"·";margin-left:22px;color:var(--line-2)}
  .d-toc:hover .d-toc-track,.d-toc:active .d-toc-track,.d-toc:focus-within .d-toc-track,[data-motion=off] .d-toc-track{animation-play-state:paused}
  [data-motion=off] .d-toc{overflow-x:auto}
}
@keyframes tocrun{to{transform:translateX(-50%)}}

/* 02 升学规划: three ways in */
.d-paths-stage{position:relative;aspect-ratio:4/3;border-radius:6px;overflow:hidden;background:#0d1228;box-shadow:0 2px 0 rgba(255,255,255,.7) inset,0 50px 90px -50px rgba(25,28,36,.55),0 18px 36px -24px rgba(25,28,36,.35)}
.d-paths-art{position:absolute;inset:0;z-index:0}
.d-paths-art.was-on{z-index:1}
.d-paths-art.is-on{z-index:2;animation:pathIn .9s var(--ease)}
@keyframes pathIn{from{opacity:0;transform:scale(1.04)}}
.d-paths-count{position:absolute;right:14px;bottom:12px;z-index:2;margin:0;padding:6px 12px;border-radius:999px;background:rgba(13,18,40,.72);color:#f3ead6;font:500 12px var(--mono);letter-spacing:.14em}
.d-paths-count b{color:#f3c37a}
.d-paths{display:grid;gap:12px;margin:6px 0 0;padding:0;list-style:none}
.d-path{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr) auto;grid-template-areas:"tag name go" "line line line" "meta meta meta";align-items:baseline;gap:4px 14px;padding:18px 22px 20px;border-radius:12px;background:#fff;border:1px solid var(--line);overflow:hidden;transition:border-color .4s,box-shadow .4s,transform .4s var(--ease)}
.d-path-tag{grid-area:tag;font:600 12px var(--mono);letter-spacing:.12em;color:var(--accent)}
.d-path b{grid-area:name;font:700 22px/1.3 var(--display);color:var(--ink)}
.d-path-line{grid-area:line;font-size:15px;color:var(--ink-2)}
.d-path small{grid-area:meta;margin-top:4px;font:500 12px var(--mono);letter-spacing:.06em;color:var(--ink-3)}
.d-path-go{grid-area:go;font-style:normal;font-size:13px;letter-spacing:.1em;color:var(--ink-3);transition:color .3s}
.d-path-go em{font-style:normal;display:inline-block;transition:transform .35s var(--ease)}
.d-path-bar{position:absolute;left:0;right:0;bottom:0;height:3px;background:transparent}
.d-path-bar::after{content:"";position:absolute;inset:0;background:var(--grad);transform:scaleX(0);transform-origin:0 50%}
.d-path.is-on{border-color:rgba(79,70,229,.35);box-shadow:0 24px 50px -34px rgba(25,28,36,.55)}
.d-path.is-on .d-path-go{color:var(--accent)}
.d-path.is-on .d-path-bar::after{transform:scaleX(1);transition:transform .5s var(--ease)}
.d-ch-paths.is-cycling .d-path.is-on .d-path-bar::after{transition:none;animation:pathbar var(--cycle,6s) linear}
.d-path:hover{transform:translateX(4px)}
.d-path:hover .d-path-go em{transform:translateX(4px)}
@keyframes pathbar{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@media (max-width:780px){
  .d-path{padding:16px 16px 18px;grid-template-areas:"tag go" "name name" "line line" "meta meta";grid-template-columns:1fr auto}
  .d-path b{font-size:20px}
  .d-path-line{font-size:14px}
  .d-paths-count{font-size:10px;padding:4px 10px}
}

/* film: play / loading */
.film-launch{gap:12px}
.film-launch-label{order:2;font-size:15px;letter-spacing:.24em}
.film-launch small{order:3}
.film-launch-disc{order:1;position:relative;font-style:normal}
.film-launch-spin{position:absolute;inset:-12px;border-radius:50%;border:2px solid rgba(255,255,255,.18);border-top-color:#fff;opacity:0;transition:opacity .3s}
.film-launch[aria-busy=true] .film-launch-disc{animation:none;background:rgba(255,255,255,.18);color:#fff;box-shadow:none;backdrop-filter:blur(6px)}
.film-launch[aria-busy=true] .film-launch-disc svg{opacity:.35}
.film-launch[aria-busy=true] .film-launch-spin{opacity:1;animation:spin 1s linear infinite}
.film-launch[aria-busy=true] .film-launch-label{font-size:13px;letter-spacing:.3em;opacity:.85}
.film-launch[aria-busy=true] small{visibility:hidden}
@keyframes spin{to{transform:rotate(1turn)}}

/* address → navigation */
.nx-go{grid-column:1;margin-top:12px;position:relative}
.nx-go summary{display:inline-flex;align-items:center;gap:8px;min-height:42px;padding:0 18px;border-radius:999px;background:var(--ink);color:#fff;font-size:14px;letter-spacing:.08em;cursor:pointer;list-style:none}
.nx-go summary::-webkit-details-marker{display:none}
.nx-go summary i{font-style:normal;transition:transform .3s}
.nx-go[open] summary i{transform:rotate(90deg)}
.nx-go-menu{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px;max-width:320px}
.nx-go-menu a,.nx-go-menu button{display:flex;align-items:center;justify-content:center;min-height:44px;padding:0 12px;border-radius:10px;background:#fff;border:1px solid var(--line-2);font:inherit;font-size:14px;color:var(--ink);cursor:pointer}
.nx-go-menu a:hover,.nx-go-menu button:hover{border-color:var(--accent);color:var(--accent)}
.nx-map{grid-row:1/4}
.d-toc a[aria-current]{color:var(--ink);border-color:var(--accent-2)}
.d-toc a[aria-current] b{color:var(--accent-2)}
@media (max-width:780px){
  .d-ch>.d-ch-art,.d-ch-paths .d-paths-stage{margin:0 -16px;border-radius:0}
  .d-toc-track a[aria-current]{border-bottom:0}
}
.film-launch[aria-busy=true]{gap:24px}
/* 3D artwork loops over their first-frame still */
.art-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .3s;pointer-events:none}
.art.is-playing .art-video{opacity:1}
[data-motion=off] .art-video{display:none}
/* homepage ⇄ service page: the artwork carries across the navigation (browsers without support just navigate) */
@view-transition{navigation:auto}
::view-transition-group(*){animation-duration:.55s;animation-timing-function:cubic-bezier(.2,.7,.1,1)}
::view-transition-old(root),::view-transition-new(root){animation-duration:.35s}
@media (prefers-reduced-motion:reduce){::view-transition-group(*),::view-transition-old(*),::view-transition-new(*){animation:none!important}}

/* ================================================================ 路径小测 */
.d-quiz-cue{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:14px;color:var(--ink-2);letter-spacing:.04em}
.d-quiz-cue b{color:var(--ink);border-bottom:1px solid var(--accent-2)}
.d-quiz-cue i{font-style:normal;transition:transform .3s var(--ease)}
.d-quiz-cue:hover i{transform:translateX(4px)}
.d-quiz{max-width:calc(var(--max) + 80px);margin:0 auto;padding:clamp(80px,9vw,128px) var(--gutter) clamp(40px,5vw,72px);scroll-margin-top:110px;border-top:1px solid var(--line)}
.d-quiz-in{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(30px,5vw,80px);align-items:start}
.d-quiz-head h2{margin:0 0 16px;font:700 clamp(30px,3.4vw,48px)/1.2 var(--display)}
.d-quiz-head .nx-lede{margin:0;max-width:26em}
.d-quiz-card{position:relative;padding:clamp(24px,3vw,40px);border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:0 40px 80px -56px rgba(25,28,36,.55);overflow:hidden}
.d-quiz-card::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 50% at 100% 0%,rgba(240,138,36,.10),transparent 70%),radial-gradient(50% 40% at 0% 100%,rgba(79,70,229,.08),transparent 70%);pointer-events:none}
.d-quiz-bar{position:relative;height:4px;margin-bottom:26px;border-radius:999px;background:var(--paper);overflow:hidden}
.d-quiz-bar i{position:absolute;inset:0;background:var(--grad);transform:scaleX(0);transform-origin:0 50%;transition:transform .5s var(--ease)}
.d-quiz-q{margin:0;padding:0;border:0;min-width:0}
.d-quiz-q.is-on{animation:qIn .45s var(--ease)}
@keyframes qIn{from{opacity:0;transform:translateX(18px)}}
.d-quiz-q legend{display:flex;align-items:baseline;gap:12px;margin-bottom:20px;padding:0;font:700 clamp(22px,2.2vw,28px)/1.35 var(--display)}
.d-quiz-q legend b{font:600 14px var(--mono);color:var(--accent-2)}
.d-quiz-opts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.d-quiz-opts button{position:relative;min-height:56px;padding:0 18px;border:1px solid var(--line-2);border-radius:12px;background:#fff;font:500 16px var(--body);color:var(--ink);text-align:left;cursor:pointer;transition:border-color .25s,background .25s,transform .25s var(--ease),box-shadow .25s}
.d-quiz-opts button:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 14px 28px -20px rgba(79,70,229,.6)}
.d-quiz-opts button[aria-pressed=true]{border-color:var(--ink);background:var(--ink);color:#fff}
.d-quiz-foot{position:relative;display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:22px;min-height:40px;font:500 12px var(--mono);letter-spacing:.14em;color:var(--ink-3)}
.d-quiz-foot span{margin-left:auto}
.d-quiz-back,.d-quiz-reset{min-height:40px;padding:0 14px;border:0;border-radius:999px;background:var(--paper);font:500 13px var(--body);color:var(--ink-2);cursor:pointer}
.d-quiz-reset{margin-left:12px}
.d-quiz-result{position:relative;animation:qIn .5s var(--ease)}
.d-quiz-why{margin:0 0 14px;font:500 12px var(--mono);letter-spacing:.12em;color:var(--accent)}
.d-quiz-main{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);align-items:stretch;border-radius:14px;overflow:hidden;background:linear-gradient(160deg,#141a33,#0d1228);color:#f3ead6;box-shadow:0 30px 60px -40px rgba(10,14,40,.8);transition:transform .4s var(--ease)}
.d-quiz-main:hover{transform:translateY(-3px)}
.d-quiz-main img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
.d-quiz-main-body{display:flex;flex-direction:column;justify-content:center;gap:8px;padding:22px 24px}
.d-quiz-main small{font:500 11px var(--mono);letter-spacing:.16em;color:#f3c37a}
.d-quiz-main b{font:700 26px/1.3 var(--display);color:#fff}
.d-quiz-main span span,.d-quiz-main-body>span{font-size:14px;line-height:1.7;color:rgba(243,234,214,.8)}
.d-quiz-main i{margin-top:6px;font-style:normal;font-size:14px;letter-spacing:.1em;color:#fff4dc}
.d-quiz-also{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:16px 0 0;font-size:13px;color:var(--ink-3)}
.d-quiz-also span{margin-right:6px}
.d-quiz-also a{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:0 16px;border:1px solid var(--line-2);border-radius:999px;color:var(--ink);font-size:14px;transition:border-color .25s,color .25s}
.d-quiz-also a:hover{border-color:var(--accent);color:var(--accent)}
.d-quiz-also a i{font-style:normal}
.d-quiz-note{margin:18px 0 0;padding-top:14px;border-top:1px dashed var(--line-2);font-size:13px;color:var(--ink-3)}
.d-quiz-note a{color:var(--ink);border-bottom:1px solid var(--accent-2)}
@media (max-width:1080px){.d-quiz-in{grid-template-columns:1fr}}
@media (max-width:780px){
  .d-quiz{padding:64px 16px 40px}
  .d-quiz-head h2{font-size:28px}
  .d-quiz-card{padding:20px 16px;border-radius:14px}
  .d-quiz-opts{grid-template-columns:1fr}
  .d-quiz-opts button{min-height:52px;font-size:15px}
  .d-quiz-main{grid-template-columns:1fr}
  .d-quiz-main b{font-size:22px}
  .d-quiz-main-body{padding:18px}
  .d-quiz-cue{font-size:13px}
}
/* old anchors kept for printed QR codes: invisible, land the reader just below the sticky header */
.s-legacy{position:absolute;top:0;left:0;width:1px;height:1px;pointer-events:none;scroll-margin-top:120px}   /* out of the flow: never a grid/flex item */
:where(section,figure,div):has(> .s-legacy){position:relative}
@media (max-width:780px){.s-legacy{scroll-margin-top:110px}}
.nx-foot-nap{display:block;margin-bottom:6px;color:var(--ink-2)}