/* ==========================================================================
   优德看台 · /assets/site.css
   共享外壳与基础组件：左右分屏 · 框景刻线 · 切角面板 · 赛场灯色
   ========================================================================== */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd,ul,ol,pre{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
}

/* ---------- 2. 变量 ---------- */
:root{
  --yt-ink-900:#06231C;
  --yt-ink-700:#0B3A2E;
  --yt-pitch-500:#12704F;
  --yt-orange-500:#FF5A1F;
  --yt-orange-300:#FF8A4C;
  --yt-steel-600:#2C5A7C;
  --yt-steel-200:#A9C3D6;
  --yt-lime-400:#C8F04A;
  --yt-paper-50:#F4F1E8;
  --yt-text-900:#0E1512;

  --yt-line:rgba(169,195,214,.28);
  --yt-line-soft:rgba(169,195,214,.16);

  --yt-shell:1280px;
  --yt-gutter:24px;
  --yt-header-h:92px;
  --yt-header-h-compact:64px;
  --yt-nav-break:1080px;

  --yt-font-head:"Noto Sans SC","Archivo Black","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --yt-font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --yt-font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;

  --yt-cut:polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  --yt-cut-sm:polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}

/* ---------- 3. 基础排版 ---------- */
body{
  font-family:var(--yt-font-body);
  font-size:17px;
  line-height:1.75;
  color:var(--yt-paper-50);
  background-color:var(--yt-ink-900);
  background-image:repeating-linear-gradient(135deg, rgba(169,195,214,.045) 0 1px, transparent 1px 18px);
  min-height:100vh;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{font-family:var(--yt-font-head);font-weight:800;line-height:1.14;letter-spacing:-.02em;color:var(--yt-paper-50)}

.yt-display{font-family:var(--yt-font-head);font-weight:800;font-size:clamp(2.75rem,7vw,6rem);line-height:1;letter-spacing:-.035em}
.yt-h2{font-size:clamp(1.75rem,3.4vw,2.5rem);letter-spacing:-.025em}
.yt-h3{font-size:clamp(1.25rem,2vw,1.5rem);letter-spacing:-.015em}
.yt-lead{font-size:clamp(1.05rem,1.6vw,1.25rem);line-height:1.7;max-width:68ch;color:rgba(244,241,232,.86)}
.yt-num{font-family:var(--yt-font-mono);font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;letter-spacing:.01em}
.yt-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--yt-font-mono);font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--yt-lime-400);
}
.yt-eyebrow::before{content:"";width:26px;height:2px;background:var(--yt-orange-500);transform:skewX(-32deg)}

/* 焦点环：深色底上始终可见 */
:focus-visible{outline:2px solid var(--yt-orange-500);outline-offset:3px;border-radius:2px}

/* ---------- 4. 容器与布局 ---------- */
.yt-shell{width:100%;max-width:var(--yt-shell);margin-inline:auto;padding-inline:var(--yt-gutter)}
.yt-main--offset{padding-block-start:var(--yt-header-h-compact)}

.yt-section{padding-block:clamp(56px,8vw,104px)}
.yt-section--tight{padding-block:clamp(32px,5vw,64px)}
.yt-section__head{display:grid;gap:14px;max-width:64ch;margin-bottom:clamp(28px,4vw,48px)}

.yt-grid{display:grid;gap:var(--yt-gutter)}
.yt-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.yt-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.yt-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}

.yt-split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(24px,4vw,64px);align-items:start}
.yt-split--4-8{grid-template-columns:minmax(0,4fr) minmax(0,8fr)}

.yt-rule{position:relative;height:1px;background:var(--yt-line-soft);margin-block:clamp(32px,5vw,64px)}
.yt-rule::before{content:"";position:absolute;left:0;top:-6px;width:72px;height:13px;background:linear-gradient(90deg,var(--yt-orange-500),rgba(255,90,31,0));transform:skewX(-32deg)}

/* ---------- 5. 面板 / 读数 / 标签 ---------- */
.yt-panel{
  position:relative;
  background:var(--yt-ink-700);
  padding:clamp(20px,2.6vw,32px);
  clip-path:var(--yt-cut);
  border-left:3px solid var(--yt-green-500);
}
.yt-panel--pitch{background:var(--yt-pitch-500);border-left-color:var(--yt-lime-400)}
.yt-panel--paper{background:var(--yt-paper-50);color:rgba(14,21,18,.86);border-left-color:var(--yt-orange-500)}
.yt-panel--paper h2,.yt-panel--paper h3,.yt-panel--paper .yt-h2,.yt-panel--paper .yt-h3{color:var(--yt-text-900)}
.yt-panel__title{font-family:var(--yt-font-head);font-size:20px;font-weight:800;letter-spacing:-.015em;margin-bottom:10px}

.yt-kpi{display:grid;gap:6px}
.yt-kpi__value{font-family:var(--yt-font-mono);font-variant-numeric:tabular-nums;font-size:clamp(2rem,4vw,3rem);line-height:1;color:var(--yt-lime-400)}
.yt-kpi__label{font-family:var(--yt-font-mono);font-size:13px;letter-spacing:.08em;color:var(--yt-steel-200)}
.yt-kpi--orange .yt-kpi__value{color:var(--yt-orange-500)}

.yt-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;font-family:var(--yt-font-mono);font-size:12px;letter-spacing:.06em;
  color:var(--yt-steel-200);background:rgba(6,35,28,.66);
  box-shadow:inset 0 0 0 1px var(--yt-line);
  clip-path:var(--yt-cut-sm);
}
.yt-tag--orange{color:var(--yt-orange-300);box-shadow:inset 0 0 0 1px rgba(255,90,31,.5)}
.yt-tag--lime{color:var(--yt-lime-400);box-shadow:inset 0 0 0 1px rgba(200,240,74,.42)}

/* ---------- 6. 按钮 ---------- */
.yt-btn{
  --btn-bg:var(--yt-ink-700);
  --btn-fg:var(--yt-paper-50);
  --btn-ring:transparent;
  position:relative;isolation:isolate;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 24px;border:0;background:none;
  font-family:var(--yt-font-head);font-size:15px;font-weight:700;letter-spacing:.01em;
  color:var(--btn-fg);text-decoration:none;cursor:pointer;
  transition:color .2s ease, transform .18s ease;
}
.yt-btn::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:var(--btn-bg);
  box-shadow:inset 0 0 0 1px var(--btn-ring);
  clip-path:polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition:background-color .2s ease;
}
.yt-btn:hover{transform:translateY(-2px)}
.yt-btn:active{transform:translateY(0)}
.yt-btn--primary{--btn-bg:var(--yt-orange-500);--btn-fg:var(--yt-ink-900)}
.yt-btn--primary:hover{--btn-bg:var(--yt-orange-300)}
.yt-btn--ghost{--btn-bg:rgba(6,35,28,.55);--btn-fg:var(--yt-paper-50);--btn-ring:rgba(169,195,214,.45)}
.yt-btn--ghost:hover{--btn-ring:var(--yt-orange-500);--btn-fg:var(--yt-orange-300)}
.yt-btn--steel{--btn-bg:var(--yt-steel-600);--btn-fg:#fff}
.yt-btn--lime{--btn-bg:var(--yt-lime-400);--btn-fg:var(--yt-ink-900)}
.yt-btn--block{display:flex;width:100%}

/* ---------- 7. 面包屑 / 长文 / 图片容器 / 标签页 ---------- */
.yt-crumbs{font-family:var(--yt-font-mono);font-size:12px;letter-spacing:.06em}
.yt-crumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.yt-crumbs__item{display:inline-flex;align-items:center;gap:10px;color:var(--yt-steel-200)}
.yt-crumbs__item+.yt-crumbs__item::before{content:"/";color:var(--yt-steel-600)}
.yt-crumbs__item[aria-current="page"]{color:var(--yt-paper-50)}
.yt-crumbs__link{color:var(--yt-steel-200);text-decoration:none;transition:color .2s ease}
.yt-crumbs__link:hover{color:var(--yt-orange-500)}

.yt-prose{max-width:68ch;font-size:17px;line-height:1.75;color:rgba(244,241,232,.86)}
.yt-prose h2{font-size:clamp(1.4rem,2.4vw,1.9rem);margin-top:2.2em;margin-bottom:.6em}
.yt-prose h3{font-size:1.25rem;margin-top:1.8em;margin-bottom:.5em}
.yt-prose p+p{margin-top:1.15em}
.yt-prose ul,.yt-prose ol{margin-block:1.2em}
.yt-prose li{position:relative;padding-left:22px;margin-bottom:.6em}
.yt-prose li::before{content:"";position:absolute;left:0;top:.72em;width:10px;height:2px;background:var(--yt-orange-500)}
.yt-prose a{color:var(--yt-orange-300);text-decoration:underline;text-underline-offset:3px}
.yt-prose--paper{color:rgba(14,21,18,.86)}
.yt-prose--paper h2,.yt-prose--paper h3{color:var(--yt-text-900)}

.yt-figure{
  position:relative;margin:0;overflow:hidden;
  background:var(--yt-ink-700);
  clip-path:polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}
.yt-figure img{width:100%;height:100%;object-fit:cover;filter:saturate(.76) contrast(1.06) brightness(.94)}
.yt-figure--16x9{aspect-ratio:16/9}
.yt-figure--4x3{aspect-ratio:4/3}
.yt-figure--1x1{aspect-ratio:1/1}
.yt-figure--21x9{aspect-ratio:21/9}
.yt-figure__frame{position:absolute;inset:0;pointer-events:none;box-shadow:inset 0 0 0 1px rgba(169,195,214,.32)}
.yt-figure__caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 18px 14px;
  background:linear-gradient(0deg, rgba(6,35,28,.94), rgba(6,35,28,0));
  font-family:var(--yt-font-mono);font-size:12px;letter-spacing:.06em;color:var(--yt-paper-50);
}

.yt-tabs{display:grid;gap:26px}
.yt-tabs__list{
  display:flex;flex-wrap:wrap;gap:4px;padding:4px;
  background:rgba(6,35,28,.72);
  box-shadow:inset 0 0 0 1px var(--yt-line);
  clip-path:var(--yt-cut-sm);
}
.yt-tabs__tab{
  padding:10px 18px;
  font-family:var(--yt-font-head);font-weight:700;font-size:15px;
  color:var(--yt-steel-200);
  clip-path:var(--yt-cut-sm);
  transition:background-color .2s ease, color .2s ease;
}
.yt-tabs__tab:hover{color:var(--yt-paper-50);background:rgba(18,112,79,.5)}
.yt-tabs__tab[aria-selected="true"]{background:var(--yt-orange-500);color:var(--yt-ink-900)}
.yt-tabs__panel[hidden]{display:none}

/* 显现动效协议 */
[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
[data-reveal].is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  [data-reveal]{opacity:1;transform:none}
}

/* ---------- 8. 页头 ---------- */
.yt-skip{
  position:absolute;left:16px;top:-120px;z-index:130;
  padding:12px 20px;background:var(--yt-orange-500);color:var(--yt-ink-900);
  font-family:var(--yt-font-head);font-weight:700;font-size:14px;
  clip-path:var(--yt-cut-sm);
  transition:top .2s ease;
}
.yt-skip:focus,.yt-skip:focus-visible{top:14px}

.yt-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:transparent;border-bottom:1px solid transparent;
  transition:background-color .35s ease, border-color .35s ease, box-shadow .35s ease;
}
.yt-header[data-scrolled="true"],
.yt-header[data-nav-open="true"]{
  background:var(--yt-ink-700);
  border-bottom-color:var(--yt-line);
  box-shadow:0 24px 48px -34px rgba(0,0,0,.85);
}

.yt-header__bar{position:relative;z-index:2}
.yt-header__inner{
  display:flex;align-items:center;gap:24px;
  min-height:var(--yt-header-h);
  transition:min-height .35s ease;
}
.yt-header[data-scrolled="true"] .yt-header__inner{min-height:var(--yt-header-h-compact)}

.yt-brand{position:relative;display:flex;align-items:center;gap:12px;flex:0 0 auto;padding-right:24px}
.yt-brand::after{
  content:"";position:absolute;right:0;top:50%;width:1px;height:38px;margin-top:-19px;
  background:var(--yt-line);transform:skewX(-16deg);
}
.yt-brand__mark{
  position:relative;flex:0 0 auto;width:34px;height:34px;
  background:var(--yt-ink-700);
  box-shadow:inset 0 0 0 1px var(--yt-orange-500);
  clip-path:polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
}
.yt-brand__mark::after{
  content:"";position:absolute;left:7px;right:7px;top:calc(50% - 1px);height:2px;
  background:var(--yt-orange-500);transform:rotate(-45deg);
}
.yt-brand__text{display:grid;gap:2px;min-width:0}
.yt-brand__name{font-family:var(--yt-font-head);font-weight:800;font-size:20px;letter-spacing:-.02em;line-height:1.1}
.yt-brand__tagline{font-family:var(--yt-font-mono);font-size:11px;letter-spacing:.1em;color:var(--yt-steel-200);white-space:nowrap}

.yt-nav{flex:1 1 auto;display:flex;justify-content:center;min-width:0}
.yt-nav__list{display:flex;align-items:center;gap:2px}
.yt-nav__item{display:block}
.yt-nav__link{
  position:relative;display:flex;align-items:center;gap:7px;
  padding:10px 14px;font-size:15px;font-weight:600;color:var(--yt-paper-50);
  clip-path:var(--yt-cut-sm);
  transition:background-color .2s ease, color .2s ease;
}
.yt-nav__link:hover{background:rgba(18,112,79,.55);color:#fff}
.yt-nav__index{font-family:var(--yt-font-mono);font-size:10px;letter-spacing:.08em;color:var(--yt-steel-200);opacity:.8}
.yt-nav__link:hover .yt-nav__index{color:var(--yt-lime-400);opacity:1}
.yt-nav__link[aria-current="page"]{color:#fff}
.yt-nav__link[aria-current="page"] .yt-nav__index{color:var(--yt-orange-500);opacity:1}
.yt-nav__link[aria-current="page"]::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:3px;
  background:var(--yt-orange-500);
  clip-path:polygon(0 0, 100% 0, calc(100% - 5px) 100%, 0 100%);
}

.yt-header__tools{display:flex;align-items:center;gap:14px;flex:0 0 auto;margin-left:auto}

.yt-city{display:flex;align-items:center;gap:10px}
.yt-city__label{
  display:flex;align-items:baseline;gap:6px;
  font-family:var(--yt-font-mono);font-size:11px;letter-spacing:.14em;color:var(--yt-steel-200);
}
.yt-city__value{color:var(--yt-lime-400)}
.yt-city__set{
  display:flex;gap:2px;padding:3px;
  background:rgba(6,35,28,.78);
  box-shadow:inset 0 0 0 1px var(--yt-line);
  clip-path:var(--yt-cut-sm);
}
.yt-city__btn{
  padding:5px 10px;
  font-family:var(--yt-font-head);font-size:13px;font-weight:700;color:var(--yt-steel-200);
  clip-path:var(--yt-cut-sm);
  transition:background-color .2s ease, color .2s ease;
}
.yt-city__btn:hover{color:var(--yt-paper-50);background:rgba(18,112,79,.55)}
.yt-city__btn[aria-pressed="true"]{background:var(--yt-orange-500);color:var(--yt-ink-900)}

.yt-header__cta{padding:11px 18px;font-size:14px}

.yt-navtoggle{
  display:none;align-items:center;gap:9px;
  padding:10px 13px;
  color:var(--yt-paper-50);
  box-shadow:inset 0 0 0 1px rgba(169,195,214,.42);
  clip-path:var(--yt-cut-sm);
}
.yt-navtoggle__bars{position:relative;display:block;width:18px;height:2px;background:currentColor;transition:background-color .22s ease}
.yt-navtoggle__bars::before,
.yt-navtoggle__bars::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;transition:transform .22s ease, top .22s ease}
.yt-navtoggle__bars::before{top:-6px}
.yt-navtoggle__bars::after{top:6px}
.yt-navtoggle[aria-expanded="true"] .yt-navtoggle__bars{background:transparent}
.yt-navtoggle[aria-expanded="true"] .yt-navtoggle__bars::before{top:0;transform:rotate(45deg)}
.yt-navtoggle[aria-expanded="true"] .yt-navtoggle__bars::after{top:0;transform:rotate(-45deg)}
.yt-navtoggle__label{font-family:var(--yt-font-head);font-size:13px;font-weight:700}

.yt-header__rail{
  position:absolute;left:0;right:0;bottom:0;height:7px;z-index:1;pointer-events:none;
  background-image:
    linear-gradient(90deg, rgba(169,195,214,.34), rgba(169,195,214,.08)),
    repeating-linear-gradient(90deg, rgba(169,195,214,.55) 0 1px, transparent 1px 32px);
  background-size:100% 1px, auto 5px;
  background-position:left bottom, left bottom;
  background-repeat:no-repeat, repeat-x;
  transition:opacity .35s ease;
}
.yt-header:not([data-scrolled="true"]) .yt-header__rail{opacity:.4}
.yt-header__progress{
  position:absolute;left:0;bottom:0;width:100%;height:2px;z-index:3;
  background:var(--yt-orange-500);
  transform:scaleX(0);transform-origin:left center;
  pointer-events:none;
}

/* ---------- 9. 页脚 ---------- */
.yt-footer{
  position:relative;
  margin-top:clamp(64px,8vw,120px);
  background:var(--yt-ink-700);
  color:var(--yt-steel-200);
}
.yt-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:7px;pointer-events:none;
  background-image:
    linear-gradient(90deg, rgba(169,195,214,.35), rgba(169,195,214,.08)),
    repeating-linear-gradient(90deg, rgba(169,195,214,.5) 0 1px, transparent 1px 32px);
  background-size:100% 1px, auto 5px;
  background-position:left top, left top;
  background-repeat:no-repeat, repeat-x;
}
.yt-footer__inner{
  display:grid;
  grid-template-columns:minmax(240px,1.05fr) minmax(0,1.6fr) minmax(240px,1fr);
  gap:clamp(28px,4vw,56px);
  padding-block:clamp(48px,6vw,72px) clamp(36px,4vw,56px);
}
.yt-brand--footer{padding-right:0}
.yt-brand--footer::after{display:none}

.yt-season{margin-top:26px;max-width:320px}
.yt-season__label{font-family:var(--yt-font-mono);font-size:11px;letter-spacing:.16em;color:var(--yt-lime-400)}
.yt-season__text{
  margin-top:8px;font-family:var(--yt-font-head);font-weight:700;font-size:18px;
  letter-spacing:-.015em;color:var(--yt-paper-50);
}
.yt-season__gauge{
  position:relative;display:block;height:16px;margin-top:16px;
  background-image:repeating-linear-gradient(90deg, rgba(169,195,214,.42) 0 1px, transparent 1px 11px);
  background-size:auto 12px;
  background-position:left bottom;
  background-repeat:repeat-x;
  border-bottom:1px solid var(--yt-line);
}
.yt-season__gauge::after{content:"";position:absolute;right:0;bottom:0;width:3px;height:16px;background:var(--yt-orange-500)}

.yt-footer__nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.yt-footer__coltitle{
  font-family:var(--yt-font-mono);font-size:12px;font-weight:700;letter-spacing:.16em;
  color:var(--yt-lime-400);margin-bottom:16px;
}
.yt-footer__links{display:grid;gap:4px}
.yt-footer__link{
  position:relative;display:inline-block;padding:5px 0;
  font-size:15px;color:rgba(244,241,232,.82);
  transition:color .2s ease, transform .2s ease;
}
.yt-footer__link::before{
  content:"";position:absolute;left:-14px;top:50%;width:6px;height:1px;
  background:var(--yt-orange-500);opacity:0;transition:opacity .2s ease;
}
.yt-footer__link:hover{color:var(--yt-orange-500);transform:translateX(7px)}
.yt-footer__link:hover::before{opacity:1}

.yt-contact{display:grid;gap:14px;margin-bottom:18px}
.yt-contact__row{display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;align-items:baseline}
.yt-contact__key{font-family:var(--yt-font-mono);font-size:11px;letter-spacing:.12em;color:var(--yt-steel-200);white-space:nowrap}
.yt-contact__val{font-size:14px;color:var(--yt-paper-50);word-break:break-word}
.yt-copy{
  margin-left:8px;padding:4px 9px;
  font-family:var(--yt-font-mono);font-size:11px;letter-spacing:.06em;
  color:var(--yt-steel-200);
  box-shadow:inset 0 0 0 1px rgba(169,195,214,.38);
  clip-path:var(--yt-cut-sm);
  transition:color .2s ease, box-shadow .2s ease;
}
.yt-copy:hover{color:var(--yt-orange-500);box-shadow:inset 0 0 0 1px var(--yt-orange-500)}
.yt-copy__status{display:inline-block;margin-left:8px;font-family:var(--yt-font-mono);font-size:11px;color:var(--yt-lime-400)}
.yt-copy__status:empty{display:none}
.yt-footer__note{font-size:13px;line-height:1.7;color:var(--yt-steel-200);max-width:34ch}

.yt-footer__bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 28px;
  padding-block:20px 26px;
  border-top:1px solid var(--yt-line-soft);
  font-family:var(--yt-font-mono);font-size:12px;letter-spacing:.04em;color:var(--yt-steel-200);
}
.yt-footer__legal{display:flex;flex-wrap:wrap;gap:18px}
.yt-footer__legal .yt-footer__link{font-family:var(--yt-font-mono);font-size:12px;padding:2px 0}
.yt-footer__icp{color:var(--yt-steel-200)}

/* ---------- 10. 响应式：页头 / 页脚 / 网格 ---------- */
@media (max-width:1440px){
  .yt-nav__index{display:none}
}
@media (max-width:1280px){
  .yt-brand__tagline{display:none}
  .yt-city__label{display:none}
  .yt-nav__link{padding:10px 11px}
}
@media (max-width:1080px){
  .yt-header__inner{min-height:var(--yt-header-h-compact)}
  .yt-city{display:none}
  .yt-navtoggle{display:inline-flex}
  .yt-nav{
    position:fixed;left:0;right:0;top:0;z-index:1;
    display:block;
    max-height:100vh;overflow-y:auto;
    padding:calc(var(--yt-header-h-compact) + 28px) var(--yt-gutter) 40px;
    background:var(--yt-ink-700);
    border-bottom:1px solid var(--yt-line);
    box-shadow:0 40px 70px -40px rgba(0,0,0,.9);
    opacity:0;visibility:hidden;transform:translateY(-14px);
    transition:opacity .25s ease, transform .25s ease, visibility .25s ease;
  }
  .yt-nav[data-open="true"]{opacity:1;visibility:visible;transform:translateY(0)}
  .yt-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .yt-nav__item{border-bottom:1px solid var(--yt-line-soft)}
  .yt-nav__link{padding:16px 4px;font-size:19px}
  .yt-nav__index{display:inline}
  .yt-nav__link[aria-current="page"]::after{left:4px;right:auto;width:38px;bottom:8px}
  .yt-footer__inner{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .yt-footer__contact{grid-column:1 / -1}
}
@media (max-width:900px){
  .yt-grid--3,.yt-grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .yt-split,.yt-split--4-8{grid-template-columns:minmax(0,1fr);gap:32px}
  .yt-section__head{margin-bottom:28px}
}
@media (max-width:680px){
  :root{--yt-gutter:20px}
  .yt-grid--2,.yt-grid--3,.yt-grid--4{grid-template-columns:minmax(0,1fr)}
  .yt-footer__nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .yt-footer__inner{grid-template-columns:minmax(0,1fr);gap:36px}
  .yt-footer__bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:600px){
  .yt-header__cta{display:none}
  .yt-navtoggle__label{display:none}
  body{font-size:16px}
}