*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:6rem}
body,h1,h2,h3,h4,p,figure,blockquote,dl,dd,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit}

:root{
  --ink:#111318;
  --ink-soft:#1B2029;
  --ink-deep:#0C0E12;
  --gold:#F5B700;
  --gold-hi:#FFD65A;
  --gold-deep:#C99400;
  --silver:#C9CED6;
  --blue:#2F6BFF;
  --blue-soft:#7FA8FF;
  --teal:#0F3D3A;
  --wine:#4A1E2B;
  --indigo:#35265C;
  --mist:#E9EDF4;
  --gray:#6E7A8A;

  --line:rgba(201,206,214,.16);
  --line-soft:rgba(201,206,214,.09);
  --line-gold:rgba(245,183,0,.42);

  --font-head:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-serif:"Songti SC","SimSun","Source Han Serif SC","Noto Serif SC",Georgia,serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;

  --radius:12px;
  --radius-pill:999px;
  --shadow-plate:0 22px 48px -34px rgba(0,0,0,.95),inset 0 1px 0 rgba(255,255,255,.045);
  --w:min(100% - 2.5rem,1360px);
}

body{
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  color:var(--silver);
  background-color:var(--ink);
  background-image:
    radial-gradient(72% 55% at 88% -8%,rgba(245,183,0,.07),transparent 62%),
    radial-gradient(55% 45% at -5% 105%,rgba(47,107,255,.06),transparent 70%);
  background-attachment:fixed;
  overflow-wrap:break-word;
  -webkit-font-smoothing:antialiased;
}

::selection{background:var(--gold);color:#111318}

:focus-visible{outline:2px solid var(--blue-soft);outline-offset:3px}
.wk-header :focus-visible,.wk-footer :focus-visible{outline-color:var(--gold-hi)}

h1,h2,h3,h4{font-family:var(--font-head);font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.18}
h1{font-size:clamp(2.2rem,5vw,4.6rem)}
h2{font-size:clamp(1.5rem,2.8vw,2.4rem)}
h3{font-size:clamp(1.12rem,1.8vw,1.4rem)}
p{text-wrap:pretty}

.wk-sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;
}

/* ---------- layout ---------- */
.wk-container{width:var(--w);margin-inline:auto}
.wk-shell{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(1.5rem,3vw,3rem);
  width:var(--w);
  margin-inline:auto;
}
.wk-shell__side{min-width:0}
.wk-shell__main{min-width:0}
@media (min-width:1024px){
  .wk-shell{grid-template-columns:260px minmax(0,1fr)}
  .wk-shell__side{position:sticky;top:6.2rem;align-self:start}
}
.wk-section{position:relative;padding:clamp(2.5rem,5vw,4.5rem) 0}
.wk-section__head{display:flex;flex-wrap:wrap;align-items:baseline;gap:.6rem 1rem;margin-bottom:1.6rem}
.wk-section__title{font-family:var(--font-head);font-size:clamp(1.5rem,2.6vw,2.2rem);font-weight:800;letter-spacing:-.02em;line-height:1.2;color:#fff}
.wk-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(1rem,2vw,1.6rem)}
.wk-col-4{grid-column:span 4}
.wk-col-5{grid-column:span 5}
.wk-col-6{grid-column:span 6}
.wk-col-7{grid-column:span 7}
.wk-col-8{grid-column:span 8}
.wk-col-12{grid-column:span 12}
@media (max-width:960px){
  .wk-grid{grid-template-columns:repeat(6,minmax(0,1fr))}
  .wk-col-4,.wk-col-5,.wk-col-6,.wk-col-7,.wk-col-8{grid-column:span 6}
  .wk-col-12{grid-column:span 6}
}

/* ---------- text ---------- */
.wk-eyebrow{
  display:inline-flex;align-items:center;gap:.55rem;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;
  color:var(--gold);text-transform:none;
}
.wk-eyebrow::before{content:"";width:1.6rem;height:1px;background:currentColor;opacity:.7}
.wk-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.04em;color:var(--gold)}
.wk-tag{
  display:inline-block;padding:.22rem .6rem;border:1px solid var(--line);border-radius:var(--radius-pill);
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.12em;
  color:var(--silver);background:rgba(201,206,214,.05);
}
.wk-tag--gold{border-color:var(--line-gold);color:var(--gold);background:rgba(245,183,0,.08)}
.wk-tag--blue{border-color:rgba(47,107,255,.45);color:var(--blue-soft);background:rgba(47,107,255,.08)}
.wk-rule{height:1px;border:0;background:linear-gradient(90deg,rgba(245,183,0,.55),rgba(201,206,214,.14) 40%,transparent)}

.wk-prose{font-size:clamp(1rem,.95rem + .2vw,1.06rem);line-height:1.85;color:#ced4dd;max-width:68ch}
.wk-prose--serif{font-family:var(--font-serif)}
.wk-prose p + p{margin-top:1.1em}
.wk-prose h2,.wk-prose h3{font-family:var(--font-head);color:#fff;letter-spacing:-.02em;margin:2em 0 .7em}
.wk-prose h2{font-size:clamp(1.3rem,2.2vw,1.75rem)}
.wk-prose h3{font-size:clamp(1.05rem,1.6vw,1.25rem)}
.wk-prose ul,.wk-prose ol{margin:1em 0}
.wk-prose li{position:relative;padding-left:1.1rem;margin:.35em 0}
.wk-prose li::before{content:"";position:absolute;left:0;top:.78em;width:.45rem;height:1px;background:var(--gold)}
.wk-prose a{color:var(--gold);text-underline-offset:.22em}
.wk-prose strong{color:#fff;font-weight:700}

/* ---------- buttons ---------- */
.wk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.78rem 1.35rem;border-radius:var(--radius-pill);border:1px solid transparent;
  font-family:var(--font-head);font-weight:700;font-size:.92rem;letter-spacing:.01em;
  text-decoration:none;cursor:pointer;
  transition:transform .18s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.wk-btn:hover{transform:translateY(-1px)}
.wk-btn:active{transform:none}
.wk-btn--gold{
  background:linear-gradient(150deg,var(--gold-hi),var(--gold) 58%,var(--gold-deep));
  color:#14171d;box-shadow:0 12px 28px -16px rgba(245,183,0,.9);
}
.wk-btn--gold:hover{box-shadow:0 16px 34px -14px rgba(245,183,0,.95)}
.wk-btn--ghost{border-color:rgba(201,206,214,.3);color:var(--mist);background:transparent}
.wk-btn--ghost:hover{border-color:var(--gold);color:var(--gold)}
.wk-btn--blue{background:var(--blue);color:#fff;box-shadow:0 12px 28px -18px rgba(47,107,255,.95)}

/* ---------- breadcrumb ---------- */
.wk-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:.45rem;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;color:var(--gray);
  margin-bottom:1.4rem;
}
.wk-breadcrumb__link{color:var(--silver);text-decoration:none;transition:color .2s ease}
.wk-breadcrumb__link:hover{color:var(--gold)}
.wk-breadcrumb__sep{color:rgba(201,206,214,.35)}
.wk-breadcrumb__current{color:var(--gold)}

/* ---------- plate ---------- */
.wk-plate{
  position:relative;
  background:linear-gradient(180deg,rgba(27,32,41,.92),rgba(19,23,30,.92));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:1.5rem 1.4rem;
  box-shadow:var(--shadow-plate);
}
.wk-plate--gold::before{
  content:"";position:absolute;inset:-1px auto auto -1px;
  width:2.2rem;height:2.2rem;
  border-top:2px solid var(--gold);border-left:2px solid var(--gold);
  border-top-left-radius:var(--radius);
  pointer-events:none;
}
.wk-plate__num{display:block;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.18em;color:var(--gold);margin-bottom:.7rem}
.wk-plate__title{font-family:var(--font-head);font-weight:800;font-size:1.1rem;letter-spacing:-.015em;color:#fff;margin-bottom:.45rem}
.wk-plate__meta{font-size:.84rem;color:var(--gray);line-height:1.65}

/* ---------- media ---------- */
.wk-media{
  position:relative;overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:
    repeating-linear-gradient(135deg,rgba(201,206,214,.05) 0 1px,transparent 1px 9px),
    linear-gradient(160deg,#232A35,#14181F 62%,#0D1015);
  aspect-ratio:16 / 10;
}
.wk-media img,.wk-media video{width:100%;height:100%;object-fit:cover;display:block}
.wk-media::after{
  content:"";position:absolute;left:0;bottom:0;width:2.6rem;height:2px;
  background:var(--gold);opacity:.6;pointer-events:none;
}
.wk-media--wide{aspect-ratio:21 / 9}
.wk-media--tall{aspect-ratio:4 / 5}
.wk-media--square{aspect-ratio:1 / 1}
.wk-media--plate{aspect-ratio:3 / 2}

/* ---------- zones ---------- */
.wk-zone{
  position:relative;overflow:hidden;
  border-radius:16px;
  padding:clamp(1.6rem,4vw,3.2rem);
  color:#dfe4ec;
  border:1px solid rgba(255,255,255,.06);
}
.wk-zone--teal{background:linear-gradient(150deg,#0F3D3A,#0B2B29 70%)}
.wk-zone--wine{background:linear-gradient(150deg,#4A1E2B,#33141E 70%)}
.wk-zone--indigo{background:linear-gradient(150deg,#35265C,#241A40 70%)}

/* ---------- rail ---------- */
.wk-rail{
  position:relative;
  display:flex;flex-direction:column;gap:.15rem;
  padding-left:.95rem;
  border-left:1px solid var(--line);
}
.wk-rail__head{
  font-family:var(--font-mono);font-size:.65rem;letter-spacing:.2em;
  color:var(--gray);margin-bottom:.9rem;
}
.wk-rail__link{
  position:relative;display:block;padding:.42rem 0;
  color:var(--gray);text-decoration:none;font-size:.88rem;line-height:1.4;
  transition:color .2s ease;
}
.wk-rail__link::before{
  content:"";position:absolute;left:-.95rem;top:50%;width:2px;height:0;
  background:var(--gold);transform:translateY(-50%);
  transition:height .25s ease;
}
.wk-rail__link:hover{color:var(--mist)}
.wk-rail__link[data-active="true"]{color:var(--gold)}
.wk-rail__link[data-active="true"]::before{height:1.15rem}

/* ---------- reveal ---------- */
.wk-js [data-reveal]:not([data-reveal="in"]){
  opacity:0;transform:translateY(14px);
}
.wk-js [data-reveal]{
  transition:opacity .6s ease,transform .6s cubic-bezier(.2,.8,.2,1);
}

/* ================= header ================= */
.wk-skip{
  position:absolute;left:1rem;top:-5rem;z-index:200;
  padding:.7rem 1.1rem;border-radius:8px;
  background:var(--gold);color:#111318;
  font-family:var(--font-head);font-weight:700;font-size:.85rem;
  text-decoration:none;transition:top .2s ease;
}
.wk-skip:focus{top:.7rem}

.wk-header{
  position:sticky;top:0;z-index:80;
  padding:.85rem 0;
  background:linear-gradient(180deg,rgba(17,19,24,.97),rgba(17,19,24,.74));
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  transition:padding .3s ease,background .3s ease,border-color .3s ease;
}
.wk-header[data-scrolled="true"]{
  padding:.45rem 0;
  background:rgba(15,17,22,.96);
  border-bottom-color:rgba(245,183,0,.24);
}
.wk-header__inner{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:1.1rem;
  width:var(--w);
  margin-inline:auto;
}

/* brand */
.wk-brand{
  display:inline-flex;align-items:center;gap:.72rem;
  text-decoration:none;color:var(--mist);min-width:0;
}
.wk-brand__mark{
  flex:0 0 auto;
  width:2.35rem;height:2.35rem;
  display:grid;place-items:center;
  background:linear-gradient(150deg,var(--gold-hi),var(--gold) 55%,var(--gold-deep));
  color:#14171d;
  font-family:var(--font-mono);font-weight:700;font-size:1.05rem;line-height:1;
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
  box-shadow:0 4px 14px -6px rgba(245,183,0,.75);
  transition:transform .25s ease;
}
.wk-brand:hover .wk-brand__mark{transform:translateY(-1px) rotate(-3deg)}
.wk-brand__text{display:flex;flex-direction:column;line-height:1.1;min-width:0}
.wk-brand__name{font-family:var(--font-head);font-weight:800;font-size:1rem;letter-spacing:-.02em;color:#fff;white-space:nowrap}
.wk-brand__sub{font-family:var(--font-mono);font-size:.58rem;letter-spacing:.16em;color:var(--gray);white-space:nowrap;margin-top:.16rem}

/* capsule */
.wk-capsule{
  justify-self:end;
  display:flex;align-items:center;
  padding:.32rem;
  border:1px solid rgba(201,206,214,.18);
  border-radius:var(--radius-pill);
  background:rgba(27,32,41,.72);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.045),0 10px 26px -18px rgba(0,0,0,.95);
  transition:padding .3s ease,box-shadow .3s ease;
}
.wk-capsule__list{display:flex;align-items:center;gap:.06rem}
.wk-capsule__link{
  display:inline-flex;align-items:baseline;gap:.42rem;
  padding:.5rem .8rem;border-radius:var(--radius-pill);
  color:var(--silver);text-decoration:none;white-space:nowrap;
  font-family:var(--font-head);font-weight:600;font-size:.88rem;letter-spacing:.01em;
  transition:color .2s ease,background .2s ease,padding .25s ease,font-size .25s ease;
}
.wk-capsule__idx{
  font-family:var(--font-mono);font-weight:400;font-size:.6rem;letter-spacing:.08em;
  color:var(--gray);transition:color .2s ease,opacity .2s ease;
}
.wk-capsule__link:hover{color:#fff;background:rgba(245,183,0,.11)}
.wk-capsule__link:hover .wk-capsule__idx{color:var(--gold)}
.wk-capsule__link[aria-current="page"]{
  color:#14171d;
  background:linear-gradient(150deg,var(--gold-hi),var(--gold) 65%);
  box-shadow:0 8px 20px -14px rgba(245,183,0,.95);
}
.wk-capsule__link[aria-current="page"] .wk-capsule__idx{color:rgba(20,23,29,.62)}
.wk-header[data-scrolled="true"] .wk-capsule{padding:.24rem;box-shadow:inset 0 1px 0 rgba(255,255,255,.045)}
.wk-header[data-scrolled="true"] .wk-capsule__link{padding:.38rem .68rem;font-size:.83rem}
.wk-header[data-scrolled="true"] .wk-capsule__idx{opacity:0;width:0;overflow:hidden}

/* nav cta inside drawer */
.wk-nav-cta{display:none}
.wk-nav-cta__link{
  display:inline-flex;align-items:center;justify-content:center;
  padding:.75rem 1rem;border-radius:var(--radius-pill);
  border:1px solid rgba(47,107,255,.45);background:rgba(47,107,255,.1);
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.14em;
  color:var(--blue-soft);text-decoration:none;
}
.wk-nav-cta__note{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.05em;
  color:var(--gray);line-height:1.6;
}

/* tools */
.wk-header__tools{display:flex;align-items:center;gap:.55rem;justify-self:end}
.wk-header__cta{
  display:inline-flex;align-items:center;
  padding:.6rem 1.05rem;border-radius:var(--radius-pill);
  background:linear-gradient(150deg,var(--gold-hi),var(--gold) 62%);
  color:#14171d;text-decoration:none;white-space:nowrap;
  font-family:var(--font-head);font-weight:700;font-size:.84rem;
  box-shadow:0 10px 24px -16px rgba(245,183,0,.9);
  transition:background .2s ease,transform .18s ease;
}
.wk-header__cta:hover{transform:translateY(-1px);background:var(--gold-hi)}
.wk-index-btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.55rem .9rem;border-radius:var(--radius-pill);
  border:1px solid rgba(47,107,255,.5);
  background:rgba(47,107,255,.12);
  color:#dbe4ff;text-decoration:none;white-space:nowrap;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.wk-index-btn:hover{background:rgba(47,107,255,.26);border-color:var(--blue);color:#fff}
.wk-index-btn__dot{
  width:.4rem;height:.4rem;border-radius:50%;
  background:var(--blue);box-shadow:0 0 0 3px rgba(47,107,255,.22);
}

.wk-nav-toggle{
  display:none;align-items:center;gap:.55rem;
  padding:.52rem .78rem;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:rgba(27,32,41,.85);
  color:var(--mist);cursor:pointer;
  font-family:var(--font-head);font-weight:700;font-size:.78rem;
  transition:border-color .2s ease,color .2s ease;
}
.wk-nav-toggle:hover{border-color:var(--gold);color:var(--gold)}
.wk-nav-toggle__label{white-space:nowrap;line-height:1}
.wk-nav-toggle__bars{
  position:relative;display:block;width:1.05rem;height:2px;border-radius:2px;
  background:currentColor;transition:background .2s ease;
}
.wk-nav-toggle__bars::before,.wk-nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:1.05rem;height:2px;border-radius:2px;
  background:currentColor;transition:transform .25s ease,top .25s ease;
}
.wk-nav-toggle__bars::before{top:-5px}
.wk-nav-toggle__bars::after{top:5px}
.wk-header[data-open="true"] .wk-nav-toggle__bars{background:transparent}
.wk-header[data-open="true"] .wk-nav-toggle__bars::before{top:0;transform:rotate(45deg)}
.wk-header[data-open="true"] .wk-nav-toggle__bars::after{top:0;transform:rotate(-45deg)}

.wk-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:linear-gradient(90deg,var(--gold),var(--gold-hi));
  transform:scaleX(0);transform-origin:left center;
  border-radius:0 2px 2px 0;
}

/* ================= footer ================= */
.wk-footer{
  position:relative;overflow:hidden;
  margin-top:clamp(3rem,7vw,6rem);
  padding:clamp(2.6rem,5vw,4rem) 0 2rem;
  background:linear-gradient(180deg,#151922,#0C0E12 72%);
  border-top:1px solid var(--line);
  color:var(--silver);
}
.wk-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(58% 76% at 100% 0%,rgba(245,183,0,.1),transparent 62%),
    repeating-linear-gradient(90deg,rgba(201,206,214,.04) 0 1px,transparent 1px 76px);
}
.wk-footer__scan{
  position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(245,183,0,.85) 22%,var(--gold-hi) 50%,rgba(245,183,0,.85) 78%,transparent);
  transform-origin:left center;
  animation:wk-scan 7s ease-in-out infinite;
}
@keyframes wk-scan{
  0%,100%{opacity:.35;transform:scaleX(.42)}
  50%{opacity:1;transform:scaleX(1)}
}
.wk-footer__inner{position:relative;z-index:1}
.wk-footer__top{
  display:grid;
  grid-template-columns:minmax(250px,1.55fr) repeat(4,minmax(0,1fr));
  gap:2.4rem 2rem;
}
.wk-footer__brand{min-width:0}
.wk-brand--footer .wk-brand__name{font-size:1.05rem}
.wk-brand--footer .wk-brand__mark{width:2.5rem;height:2.5rem}
.wk-footer__claim{
  margin-top:1.35rem;
  font-family:var(--font-head);font-weight:800;font-size:1.1rem;line-height:1.4;
  letter-spacing:-.015em;color:#fff;
}
.wk-footer__note{margin-top:.6rem;font-size:.84rem;line-height:1.68;color:var(--gray);max-width:32ch}
.wk-footer__col{min-width:0}
.wk-footer__title{
  position:relative;
  padding-left:1.5rem;margin-bottom:1rem;
  font-family:var(--font-mono);font-weight:400;font-size:.7rem;letter-spacing:.18em;
  color:var(--gold);line-height:1.4;
}
.wk-footer__title::before{
  content:attr(data-idx);
  position:absolute;left:0;top:0;
  color:var(--gray);
}
.wk-footer__list{display:flex;flex-direction:column;gap:.1rem}
.wk-footer__link{
  position:relative;display:inline-block;
  padding:.3rem 0;font-size:.9rem;color:var(--silver);text-decoration:none;
  transition:color .2s ease,padding-left .2s ease;
}
.wk-footer__link::before{
  content:"";position:absolute;left:0;top:50%;width:0;height:1px;
  background:var(--gold);transform:translateY(-50%);
  transition:width .2s ease;
}
.wk-footer__link:hover{color:var(--gold);padding-left:.85rem}
.wk-footer__link:hover::before{width:.6rem}
.wk-footer__text{
  display:inline-block;padding:.3rem 0;
  font-family:var(--font-mono);font-size:.82rem;letter-spacing:.02em;
  color:var(--gray);word-break:break-all;
}
.wk-footer__meta{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:.55rem 2rem;
  margin-top:clamp(2rem,4vw,3rem);
  padding-top:1.5rem;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:.73rem;letter-spacing:.04em;color:var(--gray);
}
.wk-footer__meta-line{margin:0}
.wk-legal{color:var(--silver)}

/* ---------- back to top ---------- */
.wk-top{
  position:fixed;right:1.1rem;bottom:1.1rem;z-index:70;
  width:2.9rem;height:2.9rem;
  display:grid;place-items:center;
  border-radius:50%;cursor:pointer;
  border:1px solid var(--line-gold);
  background:rgba(17,19,24,.94);
  color:var(--gold);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s,border-color .2s ease,background .2s ease;
}
.wk-top[data-visible="true"]{opacity:1;visibility:visible;transform:none}
.wk-top:hover{border-color:var(--gold-hi);background:rgba(245,183,0,.14)}
.wk-top__arrow{font-size:1rem;line-height:1;font-family:var(--font-mono)}

/* ================= responsive ================= */
@media (max-width:1180px){
  .wk-header__cta{display:none}
}
@media (max-width:1080px){
  .wk-footer__top{grid-template-columns:repeat(4,minmax(0,1fr))}
  .wk-footer__brand{grid-column:1 / -1}
}
@media (max-width:960px){
  .wk-header{padding:.7rem 0}
  .wk-header__inner{grid-template-columns:1fr auto;gap:.75rem}
  .wk-brand__sub{display:none}
  .wk-brand__mark{width:2.1rem;height:2.1rem;font-size:.95rem}
  .wk-brand__name{font-size:.95rem}
  .wk-index-btn{display:none}
  .wk-nav-toggle{display:inline-flex}
  .wk-progress{height:2px}

  .wk-capsule{
    position:fixed;inset:0;
    justify-self:stretch;
    flex-direction:column;align-items:stretch;
    padding:5.5rem 1.35rem 2rem;
    border:0;border-radius:0;
    background:var(--ink);
    box-shadow:none;
    overflow-y:auto;
    z-index:70;
    transform:translateY(-100%);
    opacity:0;visibility:hidden;
    transition:transform .4s cubic-bezier(.2,.8,.2,1),opacity .3s ease,visibility .3s;
  }
  .wk-header[data-open="true"] .wk-capsule{transform:none;opacity:1;visibility:visible}

  .wk-capsule__list{flex-direction:column;align-items:stretch;gap:0}
  .wk-capsule__link{
    justify-content:space-between;align-items:center;gap:1rem;
    padding:1.05rem .2rem;
    font-size:1.25rem;font-weight:800;letter-spacing:-.01em;
    border-radius:0;border-bottom:1px solid var(--line-soft);
    background:none;box-shadow:none;
    opacity:0;transform:translateY(10px);
    transition:opacity .3s ease,transform .3s ease,border-color .2s ease,color .2s ease;
  }
  .wk-header[data-open="true"] .wk-capsule__link{opacity:1;transform:none}
  .wk-header[data-open="true"] .wk-capsule__list li:nth-child(1) .wk-capsule__link{transition-delay:.06s}
  .wk-header[data-open="true"] .wk-capsule__list li:nth-child(2) .wk-capsule__link{transition-delay:.1s}
  .wk-header[data-open="true"] .wk-capsule__list li:nth-child(3) .wk-capsule__link{transition-delay:.14s}
  .wk-header[data-open="true"] .wk-capsule__list li:nth-child(4) .wk-capsule__link{transition-delay:.18s}
  .wk-header[data-open="true"] .wk-capsule__list li:nth-child(5) .wk-capsule__link{transition-delay:.22s}
  .wk-header[data-open="true"] .wk-capsule__list li:nth-child(6) .wk-capsule__link{transition-delay:.26s}
  .wk-capsule__link:hover{background:rgba(245,183,0,.08);color:var(--gold)}
  .wk-capsule__link[aria-current="page"]{
    background:none;color:var(--gold);box-shadow:none;
  }
  .wk-capsule__link[aria-current="page"]::after{
    content:"当前";flex:0 0 auto;
    font-family:var(--font-mono);font-size:.58rem;font-weight:400;letter-spacing:.14em;
    color:var(--gold);border:1px solid var(--line-gold);border-radius:var(--radius-pill);
    padding:.12rem .48rem;
  }
  .wk-capsule__idx{font-size:.7rem;color:var(--gray)}
  .wk-header[data-scrolled="true"] .wk-capsule__idx{opacity:1;width:auto}

  .wk-nav-cta{
    display:flex;flex-direction:column;gap:.65rem;
    margin-top:1.6rem;padding-top:1.6rem;
    border-top:1px solid var(--line);
  }
  .wk-nav-cta .wk-btn{width:100%;padding:1rem}

  .wk-rail{padding-left:.85rem}
  .wk-footer__scan{animation:none;opacity:.6}
}
@media (max-width:640px){
  :root{--w:min(100% - 1.75rem,1360px)}
  body{font-size:15.5px}
  .wk-header__inner{gap:.5rem}
  .wk-footer__top{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.8rem 1.2rem}
  .wk-footer__col:last-of-type{grid-column:1 / -1}
  .wk-footer__meta{flex-direction:column;gap:.45rem}
  .wk-top{right:.8rem;bottom:.8rem;width:2.6rem;height:2.6rem}
  .wk-plate{padding:1.25rem 1.1rem}
}

/* ================= motion ================= */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .wk-js [data-reveal]:not([data-reveal="in"]){opacity:1;transform:none}
  .wk-header[data-open="true"] .wk-capsule__link{opacity:1 !important;transform:none !important}
}