/* ============================================================
   大发彩票开奖 · /assets/site.css
   共享层：变量 / reset / 中文排版 / 页头 / 页脚 / 通用组件
   ============================================================ */

:root{
  --night:#06162B;
  --midnight:#0C2340;
  --paper:#F7FAFF;
  --mist:#A9B8CC;
  --flag-blue:#3B82F6;
  --flag-white:#FFFFFF;
  --flag-red:#E5484D;
  --flag-green:#17A673;
  --flag-yellow:#F4B740;
  --ink:#030A12;

  --line:rgba(169,184,204,.18);
  --line-strong:rgba(169,184,204,.34);
  --halo:rgba(59,130,246,.16);
  --paper-soft:rgba(247,250,255,.82);

  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;

  --radius-pill:999px;
  --radius-card:20px;
  --shell:min(1200px, calc(100% - 32px));
  --ease:cubic-bezier(.22,.7,.28,1);
}

*,*::before,*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  background-color:var(--night);
}

body{
  margin:0;
  min-height:100vh;
  color:var(--paper);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  background-color:var(--night);
  background-image:
    radial-gradient(1.5px 1.5px at 12% 16%, rgba(247,250,255,.55), transparent 100%),
    radial-gradient(1.2px 1.2px at 42% 62%, rgba(247,250,255,.42), transparent 100%),
    radial-gradient(1.7px 1.7px at 74% 12%, rgba(244,183,64,.5), transparent 100%),
    radial-gradient(1.1px 1.1px at 58% 44%, rgba(247,250,255,.45), transparent 100%),
    radial-gradient(1.3px 1.3px at 88% 72%, rgba(59,130,246,.55), transparent 100%),
    radial-gradient(900px 520px at 84% -8%, rgba(59,130,246,.20), transparent 64%),
    radial-gradient(700px 460px at 4% 2%, rgba(23,166,115,.10), transparent 62%);
  background-repeat:repeat,repeat,repeat,repeat,repeat,no-repeat,no-repeat;
  background-size:520px 520px, 420px 420px, 640px 640px, 380px 380px, 720px 720px, 100% 100%, 100% 100%;
}

h1,h2,h3,h4,h5,h6,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
img,svg{display:block;max-width:100%}
em,strong{font-style:normal;font-weight:800}

:focus-visible{
  outline:2px solid var(--flag-yellow);
  outline-offset:3px;
  border-radius:4px;
}

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

/* ---------- 排版 ---------- */
.h1{
  font-size:clamp(34px,6.2vw,68px);
  font-weight:900;
  line-height:1.02;
  letter-spacing:-.02em;
  color:var(--paper);
}
.h2{
  font-size:clamp(23px,3.4vw,36px);
  font-weight:900;
  line-height:1.16;
  letter-spacing:-.01em;
  color:var(--paper);
}
.h3{
  font-size:clamp(18px,2.2vw,22px);
  font-weight:900;
  line-height:1.3;
  color:var(--paper);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:11.5px;
  font-weight:800;
  letter-spacing:.22em;
  color:var(--mist);
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:18px;height:2px;
  background:var(--flag-blue);
  flex:0 0 auto;
}
.lede{
  font-size:clamp(16px,1.8vw,19px);
  line-height:1.8;
  color:var(--paper-soft);
  max-width:62ch;
}
.prose{max-width:68ch}
.prose p{font-size:16.5px;line-height:1.85;color:var(--paper-soft)}
.prose p + p{margin-top:1em}
.prose a{color:var(--flag-yellow);border-bottom:1px solid rgba(244,183,64,.45)}
.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.divider{
  height:1px;
  border:0;
  margin:clamp(24px,4vw,44px) 0;
  background:linear-gradient(90deg,var(--line-strong),rgba(169,184,204,.04));
}

/* ---------- 布局容器 ---------- */
.shell{
  width:var(--shell);
  margin-inline:auto;
}
.section{margin-top:clamp(40px,6vw,88px)}
.section__head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px 24px;
  margin-bottom:clamp(18px,2.6vw,30px);
}
.stack{display:flex;flex-direction:column;gap:clamp(14px,2vw,22px)}
.cluster{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.grid{display:grid;gap:clamp(16px,2.4vw,26px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--sidebar{grid-template-columns:minmax(210px,270px) minmax(0,1fr);gap:clamp(20px,3vw,40px)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:14px;
  font-weight:800;
  letter-spacing:.02em;
  line-height:1.2;
  white-space:nowrap;
  cursor:pointer;
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn--flag{
  background:var(--flag-yellow);
  color:var(--night);
  box-shadow:0 12px 26px -16px rgba(244,183,64,.9);
}
.btn--flag:hover{background:#FFCB63}
.btn--ghost{
  background:transparent;
  color:var(--paper);
  border-color:var(--line-strong);
}
.btn--ghost:hover{background:rgba(59,130,246,.16);border-color:rgba(59,130,246,.62)}
.btn--blue{
  background:var(--flag-blue);
  color:var(--flag-white);
  box-shadow:0 12px 26px -16px rgba(59,130,246,.9);
}
.btn--blue:hover{background:#5A99F8}
.btn--line{
  background:transparent;
  color:var(--paper);
  border-color:rgba(247,250,255,.5);
}
.btn--line:hover{background:rgba(247,250,255,.1)}
.btn--sm{padding:8px 15px;font-size:13px}

/* ---------- 标签 / 展签 ---------- */
.exhibit-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 11px 5px 9px;
  border-radius:3px 12px 3px 3px;
  background:rgba(59,130,246,.16);
  border:1px solid rgba(59,130,246,.42);
  color:var(--paper);
  font-size:11px;
  font-weight:800;
  letter-spacing:.2em;
  line-height:1.5;
  white-space:nowrap;
}
.exhibit-tag::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--flag-yellow);
  flex:0 0 auto;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:11.5px;
  font-weight:800;
  letter-spacing:.08em;
  line-height:1.6;
  white-space:nowrap;
}
.tag--blue{background:rgba(59,130,246,.18);border-color:rgba(59,130,246,.5);color:#C2DAFF}
.tag--red{background:rgba(229,72,77,.2);border-color:rgba(229,72,77,.52);color:#FFCBCE}
.tag--green{background:rgba(23,166,115,.2);border-color:rgba(23,166,115,.52);color:#A5EDCE}
.tag--yellow{background:var(--flag-yellow);border-color:transparent;color:var(--night)}
.tag--ghost{background:rgba(169,184,204,.12);border-color:var(--line-strong);color:var(--mist)}

/* ---------- 卡片 / 号码球 / 媒体容器 ---------- */
.paper-card{
  position:relative;
  padding:clamp(18px,3vw,30px);
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:linear-gradient(168deg,var(--midnight),#08192E 78%);
  box-shadow:
    inset 0 1px 0 rgba(247,250,255,.07),
    9px 9px 0 -1px rgba(12,35,64,.9),
    9px 9px 0 0 rgba(169,184,204,.12),
    0 34px 60px -48px #000;
}
.ball{
  display:inline-grid;
  place-items:center;
  width:clamp(38px,6vw,48px);
  height:clamp(38px,6vw,48px);
  border-radius:50%;
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-weight:700;
  font-size:clamp(15px,2.4vw,18px);
  color:var(--paper);
  background:radial-gradient(circle at 32% 26%,#1E3F66,#0A1B2E 72%);
  box-shadow:inset 0 0 0 1px rgba(169,184,204,.38), 0 10px 20px -14px #000;
}
.ball--red{background:radial-gradient(circle at 32% 26%,#F0656A,#B22F35 74%);box-shadow:inset 0 0 0 1px rgba(255,255,255,.28),0 10px 20px -14px #000}
.ball--green{background:radial-gradient(circle at 32% 26%,#2BC48C,#0E7C57 74%);box-shadow:inset 0 0 0 1px rgba(255,255,255,.28),0 10px 20px -14px #000}
.ball--blue{background:radial-gradient(circle at 32% 26%,#5C9BFB,#1F5FBF 74%);box-shadow:inset 0 0 0 1px rgba(255,255,255,.28),0 10px 20px -14px #000}

.media-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio:16 / 10;
  border-radius:18px;
  border:1px solid var(--line);
  background:linear-gradient(150deg,#0C2340,#06162B);
  box-shadow:
    8px 8px 0 -1px rgba(12,35,64,.9),
    8px 8px 0 0 rgba(169,184,204,.1),
    0 30px 60px -52px #000;
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame--square{aspect-ratio:1 / 1}
.media-frame--wide{aspect-ratio:21 / 9}
.media-frame__tag{
  position:absolute;
  left:14px;
  bottom:14px;
  padding:4px 10px;
  border-radius:var(--radius-pill);
  background:rgba(3,10,18,.78);
  border:1px solid var(--line-strong);
  color:var(--paper);
  font-size:11.5px;
  font-weight:800;
  letter-spacing:.1em;
  backdrop-filter:blur(6px);
}
.media-frame__cap{
  margin-top:10px;
  font-size:13px;
  line-height:1.7;
  color:var(--mist);
}

/* ---------- 面包屑 ---------- */
.breadcrumbs{
  margin-top:clamp(18px,3vw,32px);
  font-size:13px;
  line-height:1.7;
  color:var(--mist);
}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.breadcrumbs li{display:inline-flex;align-items:center;gap:6px}
.breadcrumbs li + li::before{content:"/";color:rgba(169,184,204,.45)}
.breadcrumbs a{color:var(--paper);opacity:.86;border-bottom:1px solid transparent;transition:opacity .2s var(--ease),border-color .2s var(--ease)}
.breadcrumbs a:hover{opacity:1;border-bottom-color:var(--flag-yellow)}
.breadcrumbs [aria-current="page"]{color:var(--mist)}

/* ---------- 章节目录 ---------- */
.toc{
  position:sticky;
  top:120px;
  padding:18px;
  border-radius:16px;
  border:1px solid var(--line);
  background:rgba(12,35,64,.62);
  backdrop-filter:blur(8px);
}
.toc__title{
  margin-bottom:12px;
  font-size:11px;
  font-weight:800;
  letter-spacing:.22em;
  color:var(--mist);
  text-transform:uppercase;
}
.toc__list{display:grid;gap:2px}
.toc__link{
  display:block;
  padding:9px 12px;
  border-left:2px solid rgba(169,184,204,.22);
  border-radius:0 10px 10px 0;
  font-size:14px;
  line-height:1.5;
  color:var(--mist);
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.toc__link:hover{color:var(--paper);background:var(--halo)}
.toc__link[aria-current="true"]{
  color:var(--paper);
  font-weight:800;
  border-left-color:var(--flag-yellow);
  background:var(--halo);
}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;
  top:10px;
  left:10px;
  z-index:200;
  padding:11px 20px;
  border-radius:10px;
  background:var(--flag-yellow);
  color:var(--night);
  font-size:14px;
  font-weight:800;
  transform:translateY(-180%);
  transition:transform .22s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible{
  transform:translateY(0);
  outline:3px solid var(--paper);
  outline-offset:2px;
}

/* ============================================================
   页头
   ============================================================ */
.flag-band{
  display:flex;
  width:100%;
  height:5px;
}
.flag-band__seg{height:100%;flex:1 1 0}
.flag-band__seg--blue{flex:1.25;background:var(--flag-blue)}
.flag-band__seg--white{flex:.8;background:var(--flag-white)}
.flag-band__seg--red{flex:1;background:var(--flag-red)}
.flag-band__seg--green{flex:.9;background:var(--flag-green)}
.flag-band__seg--yellow{flex:1.1;background:var(--flag-yellow)}

.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:linear-gradient(180deg,rgba(6,22,43,.95),rgba(6,22,43,.74) 68%,rgba(6,22,43,0));
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header[data-scrolled="true"]{
  background:rgba(6,22,43,.97);
  border-bottom-color:rgba(169,184,204,.14);
  box-shadow:0 22px 44px -36px #000;
}

.header-shell{
  width:min(1240px, calc(100% - 28px));
  margin-inline:auto;
  padding:14px 0 16px;
}

.nav-capsule{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  padding:8px 10px 8px 14px;
  border-radius:var(--radius-pill);
  background:linear-gradient(180deg,rgba(12,35,64,.95),rgba(6,22,43,.92));
  border:1px solid rgba(169,184,204,.22);
  box-shadow:
    inset 0 1px 0 rgba(247,250,255,.08),
    0 26px 54px -34px #000;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  padding-right:14px;
  border-right:1px solid rgba(169,184,204,.18);
}
.brand__mark{
  position:relative;
  display:grid;
  place-items:center;
  width:38px;
  height:38px;
  border-radius:12px;
  font-size:19px;
  font-weight:900;
  color:var(--flag-white);
  background:linear-gradient(150deg,var(--flag-blue),#06162B 72%);
  box-shadow:inset 0 0 0 1px rgba(247,250,255,.2);
}
.brand__mark::after{
  content:"";
  position:absolute;
  top:-2px;
  right:-2px;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--flag-red);
  box-shadow:0 0 0 2px rgba(6,22,43,.92);
}
.brand__text{display:grid;gap:1px}
.brand__name{
  font-size:16px;
  font-weight:900;
  letter-spacing:.02em;
  line-height:1.25;
  color:var(--paper);
}
.brand__line{
  font-size:10.5px;
  letter-spacing:.14em;
  line-height:1.4;
  color:var(--mist);
  white-space:nowrap;
}

.nav{flex:1 1 auto;min-width:0}
.nav__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:2px;
}
.nav__link{
  position:relative;
  display:inline-block;
  padding:8px 11px;
  border-radius:var(--radius-pill);
  font-size:14.5px;
  font-weight:700;
  line-height:1.4;
  color:var(--mist);
  white-space:nowrap;
  transition:color .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease);
}
.nav__link:hover{
  color:var(--paper);
  background:rgba(59,130,246,.14);
}
.nav__link[aria-current="page"]{
  color:var(--paper);
  background:rgba(59,130,246,.2);
  box-shadow:inset 0 0 0 1px rgba(59,130,246,.46);
}
.nav__link[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  width:16px;
  height:2px;
  margin-left:-8px;
  border-radius:2px;
  background:var(--flag-yellow);
}
.nav__quick{display:none}

.header-actions{
  display:flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
  margin-left:auto;
}
.quick-search{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border-radius:var(--radius-pill);
  border:1px dashed rgba(169,184,204,.42);
  color:var(--mist);
  font-size:12.5px;
  letter-spacing:.02em;
  white-space:nowrap;
  transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);
}
.quick-search::before{
  content:"";
  width:10px;
  height:10px;
  border:2px solid currentColor;
  border-radius:50%;
  flex:0 0 auto;
}
.quick-search:hover{
  color:var(--paper);
  border-color:rgba(59,130,246,.7);
  background:rgba(59,130,246,.14);
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  padding:9px 14px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);
  color:var(--paper);
  font-size:13px;
  font-weight:800;
  letter-spacing:.06em;
  line-height:1;
  transition:background .18s var(--ease),border-color .18s var(--ease);
}
.nav-toggle:hover{background:rgba(59,130,246,.16);border-color:rgba(59,130,246,.6)}
.nav-toggle[aria-expanded="true"]{
  background:rgba(59,130,246,.22);
  border-color:rgba(59,130,246,.66);
}
.nav-toggle__bars{
  position:relative;
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:background .2s var(--ease);
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .24s var(--ease),top .24s var(--ease);
}
.nav-toggle__bars::before{top:-6px}
.nav-toggle__bars::after{top:6px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{top:0;transform:rotate(-45deg)}
.nav-toggle__text{white-space:nowrap}

.scroll-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  background:rgba(169,184,204,.12);
  overflow:hidden;
}
.scroll-progress__bar{
  display:block;
  width:0;
  height:100%;
  background:linear-gradient(90deg,var(--flag-blue),var(--flag-yellow));
  transition:width .12s linear;
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{
  position:relative;
  margin-top:clamp(52px,8vw,110px);
  color:var(--mist);
  background:linear-gradient(180deg,#04121F,#030A12 82%);
  border-top:1px solid rgba(169,184,204,.12);
}
.site-footer .flag-band{height:6px}
.footer-shell{
  width:var(--shell);
  margin-inline:auto;
  padding:clamp(38px,5.4vw,72px) 0 26px;
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(0,1.45fr) repeat(3,minmax(0,1fr));
  gap:clamp(22px,3.4vw,48px);
}
.footer-brand{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:12px;
}
.footer-brand__name{
  font-size:clamp(21px,2.6vw,27px);
  font-weight:900;
  letter-spacing:-.01em;
  line-height:1.2;
  color:var(--paper);
}
.footer-summary{
  font-size:14.5px;
  line-height:1.8;
  color:var(--mist);
  max-width:36ch;
}
.footer-col{min-width:0}
.footer-col__title{
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
  font-size:11.5px;
  font-weight:800;
  letter-spacing:.22em;
  line-height:1.4;
  color:var(--paper);
  text-transform:uppercase;
}
.footer-col__title::before{
  content:"";
  width:14px;
  height:2px;
  background:var(--flag-blue);
  flex:0 0 auto;
}
.footer-list{display:grid;gap:10px}
.footer-list a{
  display:inline-block;
  font-size:14.5px;
  line-height:1.6;
  color:rgba(247,250,255,.86);
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer-list a:hover{
  color:var(--flag-yellow);
  border-bottom-color:rgba(244,183,64,.6);
}
.footer-list--meta{gap:12px}
.footer-list--meta li{display:grid;gap:2px}
.footer-meta__key{
  font-size:10.5px;
  font-weight:800;
  letter-spacing:.18em;
  color:rgba(169,184,204,.78);
}
.footer-meta__val{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:13.5px;
  line-height:1.6;
  color:var(--paper);
  overflow-wrap:anywhere;
}
.footer-meta__val--text{
  font-family:var(--font-cn);
  font-size:14px;
}
.footer-note{
  margin-top:14px;
  font-size:12.5px;
  line-height:1.75;
  color:rgba(169,184,204,.8);
  max-width:34ch;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px 24px;
  margin-top:clamp(30px,4vw,52px);
  padding-top:22px;
  border-top:1px solid rgba(169,184,204,.14);
}
.footer-bottom__legal{
  font-size:13px;
  letter-spacing:.02em;
  color:rgba(169,184,204,.9);
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:9px 16px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);
  background:rgba(12,35,64,.8);
  color:var(--paper);
  font-size:12.5px;
  font-weight:800;
  letter-spacing:.1em;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.to-top::before{
  content:"";
  width:8px;
  height:8px;
  border-left:2px solid var(--flag-yellow);
  border-top:2px solid var(--flag-yellow);
  transform:rotate(45deg);
}
.to-top:hover{
  background:rgba(59,130,246,.2);
  border-color:rgba(59,130,246,.62);
}

/* ---------- 显现 ---------- */
body.reveal-ready [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .55s var(--ease),transform .55s var(--ease);
}
body.reveal-ready [data-reveal].is-revealed{
  opacity:1;
  transform:none;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1180px){
  .nav__link{padding:8px 9px;font-size:14px}
  .brand__line{display:none}
}

@media (max-width:1100px){
  .quick-search{display:none}
}

@media (max-width:1024px){
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1 / -1}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:960px){
  .header-shell{padding:10px 0 12px}
  .nav-capsule{padding:8px 10px;gap:10px}
  .brand{padding-right:10px;border-right:0}
  .nav-toggle{display:inline-flex}
  .header-actions__cta{display:none}

  .nav{
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    padding:14px;
    border-radius:26px;
    background:rgba(9,29,53,.985);
    border:1px solid rgba(169,184,204,.24);
    box-shadow:inset 0 1px 0 rgba(247,250,255,.08),0 34px 64px -34px #000;
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transform:translateY(-10px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease);
  }
  .nav[data-open="true"]{
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    transform:translateY(0);
  }
  .nav__list{flex-direction:column;align-items:stretch;gap:4px}
  .nav__link{
    display:block;
    padding:12px 14px;
    border-radius:14px;
    font-size:16px;
  }
  .nav__link[aria-current="page"]{
    box-shadow:inset 3px 0 0 var(--flag-yellow),inset 0 0 0 1px rgba(59,130,246,.36);
  }
  .nav__link[aria-current="page"]::after{display:none}
  .nav__quick{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    margin-top:12px;
    padding-top:14px;
    border-top:1px solid rgba(169,184,204,.18);
  }
  .grid--sidebar{grid-template-columns:1fr}
  .toc{position:static;top:auto}
}

@media (max-width:860px){
  .grid--2,.grid--3{grid-template-columns:1fr}
}

@media (max-width:600px){
  :root{--shell:min(1200px, calc(100% - 24px))}
  body{font-size:16px;line-height:1.75}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-note{max-width:none}
  .brand__name{font-size:15px}
  .brand__mark{width:34px;height:34px;border-radius:10px;font-size:17px}
  .quick-search{display:none}
  .nav-toggle__text{display:none}
  .nav-toggle{padding:10px 12px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
    scroll-behavior:auto!important;
  }
  body.reveal-ready [data-reveal]{
    opacity:1;
    transform:none;
    transition:none;
  }
  .btn:hover{transform:none}
}