*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
:where(a,button,input,select,textarea,summary,[tabindex]):focus-visible{outline:2px solid #A8392B;outline-offset:3px;border-radius:2px}

:root{
  --cinnabar:#A8392B;
  --cinnabar-deep:#7A2A21;
  --turquoise:#226B62;
  --turquoise-pale:#8FBFB4;
  --butter:#E3A72B;
  --indigo:#1B2A44;
  --warm-white:#FBF6ED;
  --stone:#E6DFD2;
  --ink:#241F1D;
  --glass:#F2EDE3;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Source Han Serif CN","Songti SC","STSong",serif;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,Consolas,monospace;
  --fs-display:clamp(2.5rem,5.2vw,4.75rem);
  --fs-section:clamp(1.5rem,2.4vw,2.125rem);
  --fs-lead:1.25rem;
  --fs-body:1.0625rem;
  --fs-small:.875rem;
  --fs-index:.75rem;
  --lh-tight:1.15;
  --lh-body:1.75;
  --w-max:1320px;
  --gutter:24px;
  --pad:clamp(20px,3vw,48px);
  --ease:cubic-bezier(.2,.7,.2,1);
  --cmdbar-h:64px;
}

body{
  background:var(--warm-white);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:var(--fs-body);
  line-height:var(--lh-body);
  font-weight:400;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;line-height:1.28;letter-spacing:.005em}
p{max-width:74ch}

.h-display{font-family:var(--font-serif);font-weight:700;font-size:var(--fs-display);line-height:var(--lh-tight);letter-spacing:-.01em}
.h-section{font-family:var(--font-serif);font-weight:600;font-size:var(--fs-section);line-height:1.28}

.wrap{width:min(100% - 48px,var(--w-max));margin-inline:auto}
.section{padding-block:clamp(48px,7vw,104px)}
.prose{max-width:64ch}
.prose>*+*{margin-top:1.2em}
.prose p{max-width:none}

.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gutter)}
.grid>*{min-width:0}
.col-3{grid-column:span 3}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-6{grid-column:span 6}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}
.col-12{grid-column:span 12}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:var(--fs-index);
  letter-spacing:.22em;text-transform:uppercase;color:var(--turquoise);
}
.eyebrow::before{content:"";width:22px;height:1.5px;background:var(--cinnabar)}

.section-head{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 20px;
  margin-bottom:clamp(20px,3vw,36px);
}
.section-head__num{
  font-family:var(--font-mono);font-size:var(--fs-index);
  letter-spacing:.22em;color:var(--cinnabar);
}
.section-head__title{font-family:var(--font-serif);font-size:var(--fs-section);font-weight:600;line-height:1.28}
.section-head__note{font-size:var(--fs-small);color:rgba(36,31,29,.62);margin-left:auto;max-width:36ch}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:.62em 1.15em;border:1px solid transparent;border-radius:2px;
  font-family:var(--font-sans);font-size:var(--fs-small);font-weight:500;
  letter-spacing:.1em;line-height:1.4;cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn--solid{background:var(--cinnabar);color:var(--warm-white)}
.btn--solid:hover,.btn--solid:focus-visible{background:var(--cinnabar-deep)}
.btn--line{border-color:rgba(36,31,29,.35);color:var(--ink)}
.btn--line:hover{border-color:var(--ink);background:var(--ink);color:var(--warm-white)}
.btn--onDark{border-color:rgba(143,191,180,.55);color:var(--warm-white)}
.btn--onDark:hover{background:var(--turquoise-pale);border-color:var(--turquoise-pale);color:var(--indigo)}

.skip-link{
  position:fixed;top:0;left:0;z-index:300;
  transform:translateY(-130%);
  background:var(--indigo);color:var(--warm-white);
  padding:.8rem 1.3rem;font-size:var(--fs-small);letter-spacing:.1em;
  transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:120;
  background:var(--warm-white);
}
.topline{
  background:var(--indigo);
  color:rgba(251,246,237,.8);
  height:32px;overflow:hidden;
  transition:height .28s var(--ease),opacity .24s var(--ease);
}
.topline__inner{
  display:flex;justify-content:space-between;align-items:center;height:32px;gap:16px;
  width:min(100% - 48px,var(--w-max));margin-inline:auto;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
}
.topline__meta{display:flex;align-items:center;gap:14px;max-width:none}
.topline__lang{color:var(--turquoise-pale)}
.topline__icp{color:rgba(251,246,237,.62)}
.topline__sep{display:inline-block;width:1px;height:10px;background:rgba(143,191,180,.5)}
.site-header.is-condensed .topline{height:0;opacity:0}

.cmdbar{
  background:var(--warm-white);
  border-bottom:1px solid var(--stone);
  transition:background-color .28s var(--ease),box-shadow .28s var(--ease);
}
.cmdbar__inner{
  position:relative;
  display:flex;align-items:center;gap:clamp(12px,2vw,32px);
  height:var(--cmdbar-h);
  width:min(100% - 48px,var(--w-max));margin-inline:auto;
  transition:height .28s var(--ease);
}
.site-header.is-condensed{--cmdbar-h:52px}
.site-header.is-condensed .cmdbar{
  background:rgba(242,237,227,.72);
  -webkit-backdrop-filter:blur(14px) saturate(1.15);
  backdrop-filter:blur(14px) saturate(1.15);
  box-shadow:0 1px 0 rgba(36,31,29,.08);
}

.brandmark{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brandmark__mark{
  display:grid;place-items:center;width:34px;height:34px;border-radius:2px;
  background:var(--cinnabar);color:var(--warm-white);
  font-family:var(--font-serif);font-weight:700;font-size:1.05rem;line-height:1;
}
.brandmark__text{display:flex;flex-direction:column;line-height:1.18}
.brandmark__cn{font-family:var(--font-serif);font-weight:700;font-size:1.0625rem;letter-spacing:.04em}
.brandmark__sub{
  margin-top:2px;font-family:var(--font-mono);font-size:10px;
  letter-spacing:.24em;color:var(--turquoise);
}

.cmdnav{display:flex;align-items:center;gap:clamp(4px,1vw,18px);margin-left:auto;height:100%}
.cmdnav__list{display:flex;align-items:center;height:100%;gap:2px}
.cmdnav__link{
  position:relative;display:inline-flex;align-items:center;gap:7px;height:100%;
  padding:0 10px;font-size:.9375rem;font-weight:500;letter-spacing:.09em;
  transition:color .18s var(--ease);
}
.cmdnav__link::after{
  content:"";position:absolute;left:10px;right:10px;bottom:0;height:3px;
  background:var(--cinnabar);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.cmdnav__num{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;
  color:var(--turquoise);transition:color .18s var(--ease);
}
.cmdnav__link:hover{color:var(--cinnabar)}
.cmdnav__link:hover .cmdnav__num{color:var(--cinnabar)}
.cmdnav__link:hover::after{transform:scaleX(1)}
.cmdnav__link[aria-current="page"]{color:var(--cinnabar)}
.cmdnav__link[aria-current="page"] .cmdnav__num{color:var(--cinnabar)}
.cmdnav__link[aria-current="page"]::after{transform:scaleX(1)}
.cmdnav__cta{margin-left:14px}

.navbtn{
  display:none;align-items:center;gap:9px;margin-left:auto;
  padding:9px 11px;border:1px solid rgba(36,31,29,.22);border-radius:2px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;color:var(--ink);
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.navbtn:hover{border-color:var(--cinnabar);color:var(--cinnabar)}
.navbtn__bars{display:grid;gap:4px;width:16px}
.navbtn__bars span{display:block;height:1.5px;background:currentColor;transition:transform .24s var(--ease),opacity .2s var(--ease)}
[data-nav-toggle][aria-expanded="true"] .navbtn__bars span:first-child{transform:translateY(2.75px) rotate(45deg)}
[data-nav-toggle][aria-expanded="true"] .navbtn__bars span:last-child{transform:translateY(-2.75px) rotate(-45deg)}

.scrollline{position:absolute;left:0;right:0;bottom:0;height:3px;pointer-events:none}
.scrollline__fill{
  display:block;width:100%;height:100%;background:var(--cinnabar);
  transform:scaleX(0);transform-origin:left;
  transition:transform .12s linear;
}

/* ===== footer ===== */
.site-footer{
  position:relative;overflow:hidden;
  margin-top:clamp(56px,8vw,120px);
  padding-top:clamp(48px,6vw,88px);
  background:var(--indigo);
  color:rgba(251,246,237,.9);
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(251,246,237,.05) 1px,transparent 1px);
  background-size:4px 4px;
}
.foot-inner{position:relative;width:min(100% - 48px,var(--w-max));margin-inline:auto}

.foot-brand{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);
  gap:clamp(20px,4vw,72px);align-items:end;
  padding-bottom:clamp(28px,4vw,48px);
  border-bottom:1px solid rgba(143,191,180,.28);
}
.foot-brand__mark{
  display:block;margin-bottom:14px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.26em;color:var(--turquoise-pale);
}
.foot-brand__title{
  font-family:var(--font-serif);font-weight:700;
  font-size:clamp(1.75rem,3.2vw,2.75rem);line-height:1.18;
  color:var(--warm-white);letter-spacing:.02em;max-width:none;
}
.foot-brand__dot{color:var(--butter);margin:0 .12em}
.foot-brand__tagline{font-size:var(--fs-body);color:rgba(251,246,237,.72);max-width:32ch}

.foot-cols{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(20px,3vw,48px);
  padding:clamp(28px,4vw,48px) 0;
  border-bottom:1px solid rgba(143,191,180,.28);
}
.foot-col__title{
  margin-bottom:16px;max-width:none;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--turquoise-pale);
}
.foot-list li+li{margin-top:10px}
.foot-list a{
  font-size:var(--fs-small);letter-spacing:.05em;color:rgba(251,246,237,.84);
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.foot-list a:hover{color:var(--butter);border-bottom-color:rgba(227,167,43,.55)}

.foot-contact{
  display:grid;grid-template-columns:minmax(0,.5fr) minmax(0,1.7fr) minmax(0,1fr);
  gap:clamp(20px,3vw,40px);
  padding:clamp(26px,3.5vw,44px) 0;
  border-bottom:1px solid rgba(143,191,180,.28);
}
.foot-contact__label{
  margin:0;max-width:none;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--turquoise-pale);
}
.foot-contact__items{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 24px}
.foot-contact__item{display:flex;flex-direction:column;gap:6px}
.foot-contact__item--wide{grid-column:1 / -1}
.foot-contact__key{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;
  color:rgba(143,191,180,.9);
}
.foot-contact__note{
  margin:0;max-width:none;font-size:var(--fs-small);line-height:1.75;
  color:rgba(251,246,237,.6);
}

.copybtn{
  display:inline-flex;align-items:baseline;flex-wrap:wrap;gap:10px;
  padding-bottom:3px;text-align:left;
  border-bottom:1px dashed rgba(143,191,180,.5);
  transition:border-color .18s var(--ease);
}
.copybtn:hover{border-bottom-color:var(--butter)}
.copybtn__value{
  font-family:var(--font-mono);font-size:.8125rem;letter-spacing:.05em;
  color:var(--warm-white);line-height:1.6;
}
.copybtn__value--plain{font-family:var(--font-sans);font-size:var(--fs-small);color:rgba(251,246,237,.8)}
.copybtn__hint{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;
  color:var(--turquoise-pale);transition:color .18s var(--ease);
}
.copybtn.is-copied .copybtn__hint{color:var(--butter)}

.foot-legal{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px 24px;padding:20px 0 28px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:rgba(251,246,237,.58);
}
.foot-legal__meta{margin:0;max-width:none}

/* ===== reusable content components ===== */
.crumb{padding-top:16px;font-family:var(--font-mono);font-size:11px;letter-spacing:.14em}
.crumb__list{display:flex;flex-wrap:wrap;gap:8px;color:rgba(36,31,29,.58);max-width:none}
.crumb__list li+li::before{content:"/";margin-right:8px;color:var(--turquoise-pale)}
.crumb a:hover{color:var(--cinnabar)}

.rail{
  position:sticky;top:calc(var(--cmdbar-h) + 28px);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
}
.rail__list li+li{margin-top:2px}
.rail__item{
  display:flex;gap:10px;align-items:baseline;padding:6px 0;
  color:var(--ink);opacity:.5;transition:opacity .2s var(--ease),color .2s var(--ease);
}
.rail__item:hover{opacity:1;color:var(--cinnabar)}
.rail__item.is-active{opacity:1;color:var(--cinnabar)}
.rail__num{color:var(--turquoise)}

.filterbar{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:14px 18px;border-top:2px solid var(--cinnabar);border-radius:2px;
  background:rgba(242,237,227,.72);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.filterbar__btn{
  padding:.45em .9em;border:1px solid rgba(36,31,29,.2);border-radius:2px;
  font-size:.8125rem;letter-spacing:.1em;color:var(--ink);
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.filterbar__btn:hover{border-color:var(--cinnabar);color:var(--cinnabar)}
.filterbar__btn[aria-pressed="true"]{background:var(--cinnabar);border-color:var(--cinnabar);color:var(--warm-white)}
.filterbar__count{
  margin-left:auto;font-family:var(--font-mono);font-size:11px;
  letter-spacing:.16em;color:var(--turquoise);
}

.plate{
  position:relative;display:block;overflow:hidden;
  padding:26px 22px 24px;border-radius:2px;
  background:var(--stone);
}
.plate::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:var(--plate-band,var(--cinnabar));
  transition:height .2s var(--ease);
}
.plate:hover::before{height:8px}
.plate__title{
  font-family:var(--font-serif);font-size:var(--fs-lead);font-weight:600;
  letter-spacing:0;transition:letter-spacing .2s var(--ease);
}
.plate:hover .plate__title{letter-spacing:.02em}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 8px;border-radius:2px;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;
  background:rgba(34,107,98,.1);color:var(--turquoise);
}
.tag--red{background:rgba(168,57,43,.1);color:var(--cinnabar)}
.tag--yellow{background:rgba(227,167,43,.18);color:#8A6410}

.media-frame{
  position:relative;display:block;overflow:hidden;border-radius:2px;
  background:var(--stone);
}
.media-frame img{width:100%;height:100%;object-fit:cover;filter:saturate(.96) contrast(1.03) brightness(.98)}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(27,42,68,.06),rgba(27,42,68,.16));
}
.media-frame--square{aspect-ratio:1/1}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--band{aspect-ratio:21/9}
.media-frame__cap{
  position:absolute;left:0;bottom:0;z-index:1;
  padding:8px 12px;background:rgba(27,42,68,.82);
  font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;color:var(--warm-white);
}

.note-col{
  font-size:var(--fs-small);line-height:1.85;color:rgba(36,31,29,.7);
  border-left:2px solid var(--turquoise-pale);padding-left:16px;
}
.note-col__label{
  display:block;margin-bottom:8px;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;color:var(--turquoise);
}

[data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}

/* ===== responsive ===== */
@media (max-width:1280px){
  .cmdnav__link{font-size:.875rem;padding:0 7px;letter-spacing:.06em}
  .cmdnav__link::after{left:7px;right:7px}
  .cmdnav__cta{margin-left:8px}
}

@media (max-width:1024px){
  .cmdnav{
    position:absolute;top:100%;left:0;right:0;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    height:auto;margin:0;padding:8px var(--pad) 26px;
    background:rgba(242,237,227,.97);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
    border-bottom:2px solid var(--cinnabar);
    box-shadow:0 18px 32px -24px rgba(27,42,68,.6);
    max-height:calc(100vh - 40px);overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease);
  }
  .cmdnav[data-open]{opacity:1;visibility:visible;transform:translateY(0)}
  .cmdnav__list{flex-direction:column;align-items:stretch;height:auto;gap:0}
  .cmdnav__link{
    height:auto;padding:15px 4px;font-size:1.0625rem;letter-spacing:.1em;
    border-bottom:1px solid rgba(36,31,29,.12);
  }
  .cmdnav__link::after{left:4px;right:auto;width:0;bottom:-1px;height:2px;transition:width .24s var(--ease)}
  .cmdnav__link:hover::after{width:64px}
  .cmdnav__link[aria-current="page"]::after{transform:none;width:64px}
  .cmdnav__cta{margin:18px 0 0;justify-content:center}
  .navbtn{display:inline-flex}
  html.is-nav-open body{overflow:hidden}

  .col-3,.col-4,.col-5{grid-column:span 3}
  .col-6,.col-7,.col-8,.col-12{grid-column:span 6}

  .foot-brand{grid-template-columns:minmax(0,1fr);align-items:start}
  .foot-contact{grid-template-columns:minmax(0,1fr)}
  .rail{position:static}
}

@media (max-width:768px){
  .topline__meta--right{display:none}
  .topline__inner{justify-content:flex-start}
  .brandmark__sub{display:none}
  .grid{grid-template-columns:minmax(0,1fr);gap:16px}
  .col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-12{grid-column:span 1}
  .foot-cols{grid-template-columns:minmax(0,1fr);gap:26px}
  .foot-contact__items{grid-template-columns:minmax(0,1fr)}
  .foot-legal{justify-content:flex-start}
  .section-head__note{margin-left:0;max-width:none}
  .filterbar__count{margin-left:0;width:100%}
}

@media (max-width:480px){
  .wrap,.topline__inner,.cmdbar__inner,.foot-inner{width:min(100% - 32px,var(--w-max))}
  .brandmark__mark{width:30px;height:30px;font-size:.95rem}
  .brandmark__cn{font-size:.9375rem}
  .cmdnav__link{font-size:1rem}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  [data-reveal]{opacity:1;transform:none}
  .scrollline__fill{transition:none}
}