/* ==========================================================================
   悟空赛场 · 看台  |  /assets/site.css
   夜场看台视觉系统：暗底、金线勾边、斜切分区、玻璃浮层
   ========================================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --wk-black:#0B0E12;
  --wk-gray:#141A22;
  --wk-gold:#E9B44C;
  --wk-gold-hi:#FFD98A;
  --wk-clay:#C96A3B;
  --wk-sky:#4FA3C7;
  --wk-white:#F2F4F7;
  --wk-mist:#8A94A6;
  --wk-green:#3FA47B;
  --wk-line:#6B5A34;

  --wk-glass:rgba(20,26,34,.72);
  --wk-glass-strong:rgba(11,14,18,.86);
  --wk-hair:rgba(107,90,52,.42);
  --wk-hair-soft:rgba(107,90,52,.24);

  --wk-font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --wk-font-mono:ui-monospace,"SFMono-Regular","IBM Plex Mono","Roboto Mono",Menlo,Consolas,"Liberation Mono",monospace;

  --wk-rail:224px;
  --wk-topbar:64px;
  --wk-gutter:clamp(18px,4vw,56px);
  --wk-maxw:1280px;

  --wk-ease:cubic-bezier(.22,.61,.36,1);
  --wk-shadow:0 18px 48px rgba(0,0,0,.55);
}

/* ---------- 2. reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd,pre{margin:0}
ul,ol{list-style:none;padding:0}
a{color:inherit;text-decoration:none}
img,svg,video{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
hr{border:0;margin:0}

/* ---------- 3. 基础排版 ---------- */
body{
  background-color:var(--wk-black);
  background-image:
    radial-gradient(120% 58% at 78% -12%, rgba(233,180,76,.10), rgba(11,14,18,0) 62%),
    radial-gradient(86% 52% at 6% 6%, rgba(79,163,199,.075), rgba(11,14,18,0) 60%);
  color:var(--wk-white);
  font-family:var(--wk-font-sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  min-height:100vh;
  overflow-x:hidden;
  padding-top:var(--wk-topbar);
  -webkit-font-smoothing:antialiased;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:999;
  pointer-events:none;
  background-image:radial-gradient(rgba(242,244,247,.045) 1px, rgba(0,0,0,0) 1px);
  background-size:3px 3px;
  opacity:.5;
}
p{max-width:46em}
strong{font-weight:700;color:var(--wk-white)}
small{font-size:13px;color:var(--wk-mist)}

h1,h2,h3,h4{font-weight:900;line-height:1.18;letter-spacing:-.015em;color:var(--wk-white)}
h1{font-size:clamp(34px,5.4vw,64px)}
h2{font-size:clamp(22px,3.1vw,40px)}
h3{font-size:clamp(17px,2vw,26px)}
h4{font-size:clamp(15px,1.5vw,20px)}

:where(a,button,input,select,textarea,[tabindex]):focus-visible{
  outline:2px solid var(--wk-gold-hi);
  outline-offset:3px;
  border-radius:2px;
}
::selection{background:rgba(233,180,76,.32);color:var(--wk-white)}

.wk-visually-hidden{
  position:absolute!important;
  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;
}

@media (min-width:1024px){
  body{padding-left:var(--wk-rail)}
}
@media (prefers-reduced-motion:no-preference){
  html{scroll-behavior:smooth}
}
:target{scroll-margin-top:calc(var(--wk-topbar) + 26px)}

/* ---------- 4. 布局工具 ---------- */
.wk-shell{
  width:100%;
  max-width:var(--wk-maxw);
  margin-inline:auto;
  padding-inline:var(--wk-gutter);
}
.wk-main{display:block;min-height:62vh}

.wk-section{padding-block:clamp(40px,6vw,88px)}
.wk-section--tight{padding-block:clamp(26px,4vw,54px)}

.wk-band{
  position:relative;
  padding-block:clamp(26px,4vw,50px);
  background:linear-gradient(100deg,rgba(233,180,76,.075) 0%,rgba(79,163,199,.055) 52%,rgba(201,106,59,.07) 100%);
  border-top:1px solid var(--wk-hair-soft);
  border-bottom:1px solid var(--wk-hair-soft);
}

.wk-grid{display:grid;gap:clamp(16px,2.4vw,28px);grid-template-columns:1fr}
@media (min-width:640px){
  .wk-grid--2,
  .wk-grid--3,
  .wk-grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1024px){
  .wk-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .wk-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
}

.wk-slant{
  display:block;
  height:clamp(10px,1.6vw,16px);
  margin-block:clamp(24px,4vw,54px);
  background:linear-gradient(90deg,rgba(233,180,76,0) 0%,rgba(233,180,76,.85) 28%,rgba(201,106,59,.8) 68%,rgba(201,106,59,0) 100%);
  clip-path:polygon(0 42%,100% 0,100% 24%,0 66%);
  opacity:.55;
  pointer-events:none;
}

/* ---------- 5. 标题与文本层 ---------- */
.wk-display{
  font-family:var(--wk-font-sans);
  font-weight:900;
  font-size:clamp(40px,8.4vw,96px);
  line-height:1.02;
  letter-spacing:-.02em;
  color:var(--wk-white);
}
.wk-h1{font-size:clamp(32px,5.4vw,64px);font-weight:900;letter-spacing:-.02em;line-height:1.1}
.wk-h2{font-size:clamp(22px,3.1vw,40px);font-weight:900;letter-spacing:-.015em}
.wk-h3{font-size:clamp(17px,2vw,28px);font-weight:700}

.wk-lead{
  font-size:clamp(16px,1.6vw,20px);
  line-height:1.8;
  color:rgba(242,244,247,.92);
  max-width:38em;
}
.wk-prose{color:rgba(242,244,247,.86)}
.wk-prose p{max-width:34em;margin-block:0 1.1em}
.wk-prose p:last-child{margin-bottom:0}
.wk-prose ul,
.wk-prose ol{margin-block:0 1.1em;max-width:34em}
.wk-prose li{position:relative;padding-left:1.1em;margin-block:.35em}
.wk-prose li::before{
  content:"";
  position:absolute;left:0;top:.72em;
  width:8px;height:1px;background:var(--wk-gold);
}

.wk-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--wk-font-mono);
  font-size:12px;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--wk-gold);
  margin-bottom:14px;
}
.wk-eyebrow::before{content:"";width:22px;height:1px;background:var(--wk-gold);opacity:.85}

.wk-link,
.wk-prose a{
  color:var(--wk-sky);
  border-bottom:1px solid rgba(79,163,199,.42);
  transition:color .18s var(--wk-ease),border-color .18s var(--wk-ease);
}
.wk-link:hover,
.wk-prose a:hover{color:var(--wk-gold-hi);border-bottom-color:var(--wk-gold-hi)}

.wk-mono{
  font-family:var(--wk-font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.06em;
}

/* ---------- 6. 按钮 ---------- */
.wk-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 18px;
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  line-height:1.4;
  border-radius:2px;
  border:1px solid transparent;
  white-space:nowrap;
  transition:background-color .18s var(--wk-ease),color .18s var(--wk-ease),
             border-color .18s var(--wk-ease),transform .18s var(--wk-ease);
}
.wk-btn:active{transform:translateY(1px)}
.wk-btn--sm{padding:7px 13px;font-size:13px}
.wk-btn--gold{background:var(--wk-gold);color:#171004;border-color:var(--wk-gold)}
.wk-btn--gold:hover{background:var(--wk-gold-hi);border-color:var(--wk-gold-hi);color:#171004}
.wk-btn--ghost{background:transparent;color:var(--wk-white);border-color:var(--wk-hair)}
.wk-btn--ghost:hover{color:var(--wk-gold-hi);border-color:var(--wk-gold)}
.wk-btn--sky{background:var(--wk-sky);color:#04141c;border-color:var(--wk-sky)}
.wk-btn--sky:hover{background:#63b7d8;border-color:#63b7d8}

.wk-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  font-family:var(--wk-font-mono);
  font-size:11px;
  letter-spacing:.14em;
  line-height:1.7;
  border-radius:999px;
  border:1px solid var(--wk-hair);
  color:var(--wk-mist);
  background:rgba(20,26,34,.6);
}
.wk-tag--gold{color:var(--wk-gold);border-color:rgba(233,180,76,.5);background:rgba(233,180,76,.1)}
.wk-tag--clay{color:var(--wk-clay);border-color:rgba(201,106,59,.5);background:rgba(201,106,59,.11)}
.wk-tag--sky{color:var(--wk-sky);border-color:rgba(79,163,199,.5);background:rgba(79,163,199,.11)}

.wk-status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--wk-font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--wk-mist);
}
.wk-status::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--wk-green);
  box-shadow:0 0 0 3px rgba(63,164,123,.18);
  flex:0 0 auto;
}

/* ---------- 7. 顶棚 header ---------- */
.wk-skip{
  position:absolute;
  left:14px;
  top:-120px;
  z-index:220;
  padding:10px 18px;
  background:var(--wk-gold);
  color:#171004;
  font-size:14px;
  font-weight:700;
  border-radius:2px;
  transition:top .18s var(--wk-ease);
}
.wk-skip:focus{top:12px}

.wk-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
}
.wk-header__bar{
  position:relative;
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:clamp(10px,2vw,24px);
  height:var(--wk-topbar);
  padding-inline:clamp(14px,3vw,26px);
  background:var(--wk-glass-strong);
  -webkit-backdrop-filter:blur(14px) saturate(1.3);
  backdrop-filter:blur(14px) saturate(1.3);
  border-bottom:1px solid var(--wk-hair);
}
.wk-header__bar::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:1px;
  background:linear-gradient(90deg,rgba(233,180,76,0) 0%,rgba(233,180,76,.85) 20%,rgba(107,90,52,.35) 52%,rgba(233,180,76,0) 94%);
  opacity:.75;
  pointer-events:none;
}

.wk-brand{
  display:flex;
  align-items:baseline;
  gap:8px;
  flex:0 0 auto;
  min-width:0;
}
.wk-brand__mark{
  color:var(--wk-gold);
  font-size:17px;
  line-height:1;
  transform:translateY(-1px);
}
.wk-brand__name{
  font-size:18px;
  font-weight:900;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.wk-brand__sub{
  font-family:var(--wk-font-mono);
  font-size:11px;
  letter-spacing:.22em;
  color:var(--wk-mist);
  border-left:1px solid var(--wk-hair);
  padding-left:8px;
}

.wk-statusline{
  display:none;
  align-items:center;
  justify-content:center;
  gap:9px;
  margin:0;
  max-width:none;
  font-family:var(--wk-font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--wk-mist);
  white-space:nowrap;
  overflow:hidden;
  min-width:0;
}
.wk-statusline__dot{
  width:6px;height:6px;
  border-radius:50%;
  background:var(--wk-green);
  box-shadow:0 0 0 4px rgba(63,164,123,.15);
  flex:0 0 auto;
}
.wk-statusline__text{overflow:hidden;text-overflow:ellipsis}
.wk-statusline__sep{color:var(--wk-line)}
.wk-statusline__mono{
  color:var(--wk-gold);
  font-variant-numeric:tabular-nums;
}

.wk-headeractions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.wk-header__cta{padding:7px 12px;font-size:12.5px;letter-spacing:.02em}

.wk-navtoggle{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:8px 11px;
  border:1px solid var(--wk-hair);
  border-radius:2px;
  color:var(--wk-white);
  font-family:var(--wk-font-mono);
  font-size:11px;
  letter-spacing:.18em;
  transition:border-color .18s var(--wk-ease),color .18s var(--wk-ease);
}
.wk-navtoggle:hover{border-color:var(--wk-gold);color:var(--wk-gold-hi)}
.wk-navtoggle__bars{
  position:relative;
  display:block;
  width:16px;
  height:2px;
  background:currentColor;
  transition:background-color .18s var(--wk-ease);
}
.wk-navtoggle__bars::before,
.wk-navtoggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;height:2px;
  background:currentColor;
  transition:transform .2s var(--wk-ease);
}
.wk-navtoggle__bars::before{top:-5px}
.wk-navtoggle__bars::after{top:5px}
.wk-navtoggle[aria-expanded="true"] .wk-navtoggle__bars{background:transparent}
.wk-navtoggle[aria-expanded="true"] .wk-navtoggle__bars::before{transform:translateY(5px) rotate(45deg)}
.wk-navtoggle[aria-expanded="true"] .wk-navtoggle__bars::after{transform:translateY(-5px) rotate(-45deg)}

@media (min-width:768px){
  .wk-statusline{display:flex}
  .wk-header__cta{padding:9px 16px;font-size:13.5px}
}

/* ---------- 8. 侧边轨道导航 ---------- */
.wk-nav{
  position:fixed;
  z-index:85;
  top:0;
  right:0;
  bottom:0;
  left:auto;
  width:min(84vw,330px);
  padding:calc(var(--wk-topbar) + 24px) 20px 26px;
  background:linear-gradient(180deg,rgba(20,26,34,.97) 0%,rgba(11,14,18,.99) 100%);
  border-left:1px solid var(--wk-hair);
  box-shadow:var(--wk-shadow);
  overflow-y:auto;
  overscroll-behavior:contain;
  transform:translateX(101%);
  visibility:hidden;
  transition:transform .26s var(--wk-ease),visibility 0s linear .26s;
}
.wk-nav[data-open]{
  transform:translateX(0);
  visibility:visible;
  transition:transform .26s var(--wk-ease),visibility 0s linear 0s;
}
.wk-nav__label{
  font-family:var(--wk-font-mono);
  font-size:11px;
  letter-spacing:.3em;
  text-transform:uppercase;
  color:var(--wk-mist);
  margin-bottom:14px;
  max-width:none;
}
.wk-nav__list{display:flex;flex-direction:column;gap:2px}
.wk-nav__list a{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 10px 10px 14px;
  border-radius:2px;
  font-size:15px;
  font-weight:500;
  color:var(--wk-white);
  transition:background-color .18s var(--wk-ease),color .18s var(--wk-ease),transform .18s var(--wk-ease);
}
.wk-nav__list a::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:3px;
  height:16px;
  background:var(--wk-gold);
  transform:translateY(-50%) scaleX(0);
  transform-origin:left center;
  transition:transform .2s var(--wk-ease);
}
.wk-nav__list a:hover{background:rgba(233,180,76,.08);color:var(--wk-gold-hi)}
.wk-nav__list a:hover::before{transform:translateY(-50%) scaleX(1)}
.wk-nav__list a[aria-current="page"]{
  background:rgba(233,180,76,.1);
  color:var(--wk-gold-hi);
  font-weight:700;
}
.wk-nav__list a[aria-current="page"]::before{transform:translateY(-50%) scaleX(1)}
.wk-nav__num{
  font-family:var(--wk-font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--wk-mist);
  min-width:1.9em;
  flex:0 0 auto;
}
.wk-nav__list a[aria-current="page"] .wk-nav__num,
.wk-nav__list a:hover .wk-nav__num{color:var(--wk-gold)}
.wk-nav__text{min-width:0}
.wk-nav__foot{
  margin-top:26px;
  padding-top:16px;
  border-top:1px solid var(--wk-hair);
}
.wk-nav__meta{
  font-family:var(--wk-font-mono);
  font-size:11px;
  letter-spacing:.16em;
  line-height:2;
  color:var(--wk-mist);
  max-width:none;
}

.wk-navscrim{
  position:fixed;
  inset:0;
  z-index:84;
  background:rgba(4,6,9,.68);
  -webkit-backdrop-filter:blur(2px);
  backdrop-filter:blur(2px);
  opacity:0;
  visibility:hidden;
  transition:opacity .26s var(--wk-ease),visibility 0s linear .26s;
}
.wk-navscrim[data-open]{
  opacity:1;
  visibility:visible;
  transition:opacity .26s var(--wk-ease),visibility 0s linear 0s;
}

@media (max-width:1023px){
  body.wk-nav-open{overflow:hidden}
}

@media (min-width:1024px){
  .wk-navtoggle{display:none}
  .wk-navscrim{display:none}
  .wk-nav{
    top:var(--wk-topbar);
    left:0;
    right:auto;
    width:var(--wk-rail);
    padding:26px 18px 22px;
    display:flex;
    flex-direction:column;
    background:linear-gradient(180deg,rgba(20,26,34,.94) 0%,rgba(11,14,18,.97) 100%);
    border-left:0;
    border-right:1px solid var(--wk-hair);
    box-shadow:none;
    transform:none;
    visibility:visible;
    transition:none;
  }
  .wk-nav__foot{margin-top:auto}
}

/* ---------- 9. 看台页脚 ---------- */
.wk-footer{
  position:relative;
  margin-top:clamp(56px,9vw,120px);
  background:linear-gradient(180deg,var(--wk-gray) 0%,var(--wk-black) 70%);
  border-top:1px solid var(--wk-hair);
  overflow:hidden;
}
.wk-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,rgba(233,180,76,0) 0%,rgba(233,180,76,.7) 22%,rgba(107,90,52,.5) 62%,rgba(233,180,76,0) 100%);
  pointer-events:none;
}
.wk-footer::after{
  content:"";
  position:absolute;
  top:0;left:0;
  width:min(52%,560px);
  height:clamp(90px,14vw,180px);
  background:linear-gradient(135deg,rgba(201,106,59,.22) 0%,rgba(201,106,59,0) 72%);
  clip-path:polygon(0 0,100% 0,0 100%);
  pointer-events:none;
}
.wk-footer__inner{
  position:relative;
  z-index:1;
  width:100%;
  max-width:var(--wk-maxw);
  margin-inline:auto;
  padding:clamp(38px,6vw,74px) var(--wk-gutter) 26px;
}
.wk-footer__top{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:10px 28px;
}
.wk-footer__logo{
  font-size:clamp(24px,3.8vw,34px);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.1;
  color:var(--wk-white);
  max-width:none;
}
.wk-footer__tag{
  font-family:var(--wk-font-mono);
  font-size:12px;
  letter-spacing:.16em;
  color:var(--wk-mist);
  max-width:none;
}
.wk-footer__cols{
  display:grid;
  grid-template-columns:1fr;
  gap:32px 24px;
  margin-top:clamp(30px,4.4vw,48px);
}
.wk-footer__title{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
  font-family:var(--wk-font-mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.26em;
  color:var(--wk-gold);
}
.wk-footer__title::after{
  content:"";
  flex:1 1 auto;
  height:1px;
  background:var(--wk-hair);
}
.wk-footer__list li + li{margin-top:9px}
.wk-footer__list a{
  font-size:14px;
  color:var(--wk-mist);
  transition:color .18s var(--wk-ease),padding-left .18s var(--wk-ease);
}
.wk-footer__list a:hover{color:var(--wk-gold-hi);padding-left:4px}

.wk-contactline{
  font-family:var(--wk-font-mono);
  font-size:12.5px;
  letter-spacing:.03em;
  line-height:1.9;
  color:var(--wk-white);
  word-break:break-word;
  max-width:none;
}
.wk-contactline--soft{color:var(--wk-mist);font-size:12px}

.wk-footer__base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
  margin-top:clamp(32px,4.6vw,48px);
  padding-top:20px;
  border-top:1px solid var(--wk-hair);
}
.wk-footer__legal{
  font-family:var(--wk-font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--wk-mist);
  max-width:none;
}

@media (min-width:640px){
  .wk-footer__cols{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1024px){
  .wk-footer__cols{grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
}

/* ---------- 10. 内容层：卡片 / 玻璃 / 数据 ---------- */
.wk-card{
  position:relative;
  padding:clamp(18px,2.2vw,26px);
  background:var(--wk-gray);
  border:1px solid var(--wk-hair);
  border-radius:3px;
}
.wk-card--index{padding-top:34px}
.wk-card__num{
  position:absolute;
  top:-12px;
  left:18px;
  padding:2px 9px;
  font-family:var(--wk-font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.18em;
  color:#171004;
  background:var(--wk-gold);
  border-radius:2px;
}

.wk-glass{
  background:var(--wk-glass);
  border:1px solid var(--wk-hair);
  border-radius:3px;
  -webkit-backdrop-filter:blur(12px) saturate(1.25);
  backdrop-filter:blur(12px) saturate(1.25);
}
.wk-glass--strong{
  background:var(--wk-glass-strong);
  -webkit-backdrop-filter:blur(16px) saturate(1.3);
  backdrop-filter:blur(16px) saturate(1.3);
}

.wk-stat{display:flex;flex-direction:column;gap:6px}
.wk-stat__num{
  font-family:var(--wk-font-mono);
  font-variant-numeric:tabular-nums;
  font-size:clamp(24px,3.4vw,48px);
  font-weight:500;
  line-height:1;
  letter-spacing:.02em;
  color:var(--wk-gold);
}
.wk-stat__label{font-size:13px;color:var(--wk-mist);max-width:20em}

/* ---------- 11. 图片容器基础规则 ---------- */
.wk-frame{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:16 / 9;
  border:1px solid var(--wk-hair);
  border-radius:3px;
  background:linear-gradient(140deg,var(--wk-gray) 0%,var(--wk-black) 100%);
}
.wk-frame > img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
}
.wk-frame--square{aspect-ratio:1 / 1}
.wk-frame--portrait{aspect-ratio:3 / 4}
.wk-frame--wide{aspect-ratio:21 / 9}
.wk-frame--reel{aspect-ratio:9 / 16}
.wk-frame__cap{
  position:absolute;
  left:0;right:0;bottom:0;
  z-index:2;
  padding:36px 14px 12px;
  background:linear-gradient(180deg,rgba(11,14,18,0) 0%,rgba(11,14,18,.92) 100%);
  font-size:13px;
  line-height:1.6;
  color:var(--wk-white);
  pointer-events:none;
}
.wk-frame[data-caption]::after{
  content:attr(data-caption);
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  padding:16px;
  font-family:var(--wk-font-mono);
  font-size:11px;
  letter-spacing:.22em;
  line-height:2;
  text-align:center;
  color:var(--wk-mist);
}

/* ---------- 12. 面包屑 ---------- */
.wk-breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin-bottom:clamp(16px,2.6vw,28px);
  font-family:var(--wk-font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--wk-mist);
}
.wk-breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.wk-breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.wk-breadcrumb li + li::before{content:"/";color:var(--wk-line)}
.wk-breadcrumb a{color:var(--wk-mist);transition:color .18s var(--wk-ease)}
.wk-breadcrumb a:hover{color:var(--wk-gold-hi)}
.wk-breadcrumb [aria-current="page"]{color:var(--wk-white)}

/* ---------- 13. 可展开内容组 ---------- */
.wk-expand{border-top:1px solid var(--wk-hair)}
.wk-expand__item{border-bottom:1px solid var(--wk-hair)}
.wk-expand__head{font-size:inherit;font-weight:inherit;letter-spacing:normal;line-height:inherit}
.wk-expand__btn{
  display:flex;
  align-items:flex-start;
  gap:14px;
  width:100%;
  padding:18px 0;
  text-align:left;
  color:var(--wk-white);
  transition:color .18s var(--wk-ease);
}
.wk-expand__btn:hover{color:var(--wk-gold-hi)}
.wk-expand__idx{
  flex:0 0 auto;
  min-width:2.7em;
  padding-top:5px;
  font-family:var(--wk-font-mono);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--wk-gold);
}
.wk-expand__label{
  flex:1 1 auto;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
}
.wk-expand__sign{
  flex:0 0 auto;
  padding-top:3px;
  font-family:var(--wk-font-mono);
  font-size:15px;
  line-height:1.4;
  color:var(--wk-mist);
  transition:color .18s var(--wk-ease);
}
.wk-expand__sign::before{content:"＋";display:block}
.wk-expand__item[data-open] .wk-expand__sign{color:var(--wk-gold)}
.wk-expand__item[data-open] .wk-expand__sign::before{content:"－"}
.wk-expand__panel{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .14s var(--wk-ease);
}
.wk-expand__item[data-open] .wk-expand__panel{
  grid-template-rows:1fr;
  transition-duration:.18s;
}
.wk-expand__inner{
  min-height:0;
  overflow:hidden;
  visibility:hidden;
  transition:visibility 0s linear .18s;
}
.wk-expand__item[data-open] .wk-expand__inner{
  visibility:visible;
  transition-delay:0s;
}
.wk-expand__inner > *{
  max-width:44em;
  padding-bottom:22px;
  color:rgba(242,244,247,.84);
}
.wk-expand__inner > *:last-child{padding-bottom:24px}

/* ---------- 14. 滚动进度 ---------- */
.wk-progress{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  height:2px;
  background:transparent;
  pointer-events:none;
}
.wk-progress__bar{
  display:block;
  width:100%;
  height:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--wk-gold) 0%,var(--wk-clay) 100%);
  box-shadow:0 0 12px rgba(233,180,76,.45);
}

/* ---------- 15. 入场显现 ---------- */
.wk-reveal{
  opacity:0;
  transform:translate3d(-16px,16px,0);
  transition:opacity .32s var(--wk-ease),transform .32s var(--wk-ease);
}
.wk-reveal.is-in{opacity:1;transform:translate3d(0,0,0)}
html:not(.wk-js) .wk-reveal{opacity:1;transform:none;transition:none}

/* ---------- 16. 减少动效 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
    scroll-behavior:auto!important;
  }
  .wk-reveal{opacity:1;transform:none}
  .wk-nav,
  .wk-nav[data-open],
  .wk-navscrim,
  .wk-navscrim[data-open]{transition:none}
  .wk-progress{display:none}
}