/* ==========================================================================
   华体会体育主站 · 共享外壳样式表  /assets/site.css
   夜场数据指挥中心：深墨绿底 / 荧光青数据流 / 橙红热度 / 奶油纸白手册
   ========================================================================== */

/* 01 · 设计变量 ---------------------------------------------------------- */
:root{
  --c-night:#0E3B2E;
  --c-ink:#071C17;
  --c-cyan:#35F2D0;
  --c-orange:#FF4B1F;
  --c-purple:#3B2350;
  --c-silver:#C9CFCB;
  --c-cream:#F4EFE2;
  --c-brown:#221A14;
  --c-moss:#7FA79B;
  --c-amber:#F5A524;

  --line:rgba(201,207,203,.26);
  --hair:rgba(201,207,203,.13);

  --f-display:"PingFang SC","Noto Sans SC","Source Han Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --f-body:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-data:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;

  --w:1200px;
  --ease:cubic-bezier(.2,.85,.25,1);
  --shadow-hard:10px 10px 0 rgba(7,28,23,.55);
}

/* 02 · 重置 -------------------------------------------------------------- */
*,*::before,*::after{ box-sizing:border-box; }

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:96px;
}

body{
  margin:0;
  background:var(--c-ink);
  color:var(--c-cream);
  font-family:var(--f-body);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

h1,h2,h3,h4,p,ul,ol,figure,blockquote{ margin:0; }
ul,ol{ padding:0; list-style:none; }
img,svg{ max-width:100%; display:block; }
button{ font:inherit; color:inherit; }
a{ color:inherit; }

[hidden]{ display:none !important; }
.is-hidden{ display:none !important; }
.sr-only{
  position:absolute; 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;
}

::selection{ background:var(--c-cyan); color:var(--c-ink); }

:focus-visible{
  outline:3px solid var(--c-amber);
  outline-offset:3px;
}

/* 03 · 跳转链接 ---------------------------------------------------------- */
.skip-link{
  position:absolute;
  left:16px;
  top:-72px;
  z-index:300;
  padding:11px 18px;
  background:var(--c-amber);
  color:var(--c-ink);
  font-size:14px;
  font-weight:800;
  letter-spacing:.08em;
  text-decoration:none;
  border:3px solid var(--c-ink);
  transition:top .18s var(--ease);
}
.skip-link:focus{ top:14px; }

/* 04 · 页头刊头 ---------------------------------------------------------- */
.site-header{
  position:relative;
  z-index:80;
  background:var(--c-night);
  background-image:
    linear-gradient(180deg, rgba(59,35,80,.62) 0%, rgba(14,59,46,.92) 58%, var(--c-night) 100%);
  border-bottom:1px solid var(--hair);
  color:var(--c-cream);
}

.site-header::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:repeating-linear-gradient(
    90deg,
    rgba(53,242,208,.075) 0 1px,
    transparent 1px 94px
  );
}

.site-header__bar{
  position:relative;
  z-index:1;
  max-width:var(--w);
  margin:0 auto;
  padding:clamp(22px,3.4vw,40px) clamp(16px,3vw,32px) clamp(14px,2.2vw,22px);
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
}

.brand{
  grid-column:2;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:5px;
  text-align:center;
  text-decoration:none;
  color:inherit;
}
.brand__kicker{
  font-size:12px;
  font-weight:700;
  letter-spacing:.34em;
  color:var(--c-amber);
}
.brand__wordmark{
  font-family:var(--f-display);
  font-weight:900;
  font-size:clamp(30px,5.6vw,58px);
  line-height:1.02;
  letter-spacing:-.02em;
  color:var(--c-cream);
  text-shadow:3px 3px 0 rgba(255,75,31,.85);
  transition:color .18s var(--ease), text-shadow .18s var(--ease);
}
.brand:hover .brand__wordmark,
.brand:focus-visible .brand__wordmark{
  color:var(--c-cyan);
  text-shadow:3px 3px 0 rgba(53,242,208,.42);
}
.brand__note{
  font-size:12.5px;
  letter-spacing:.14em;
  color:var(--c-moss);
}

.site-header__stamp{
  grid-column:3;
  justify-self:end;
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:8px 12px;
  border:1px solid var(--line);
  font-size:12px;
  letter-spacing:.16em;
  color:var(--c-moss);
  white-space:nowrap;
}

.dot{
  width:7px;
  height:7px;
  flex:0 0 auto;
  border-radius:50%;
  background:var(--c-orange);
  animation:ht-pulse 2s ease-out infinite;
}
@keyframes ht-pulse{
  0%{ box-shadow:0 0 0 0 rgba(255,75,31,.55); }
  70%{ box-shadow:0 0 0 10px rgba(255,75,31,0); }
  100%{ box-shadow:0 0 0 0 rgba(255,75,31,0); }
}

/* 05 · 移动导航按钮 ------------------------------------------------------ */
.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:10px 13px;
  background:transparent;
  border:2px solid var(--c-cyan);
  color:var(--c-cyan);
  font-size:13px;
  font-weight:700;
  letter-spacing:.22em;
  cursor:pointer;
  transition:background .18s var(--ease), color .18s var(--ease);
}
.nav-toggle:hover{ background:var(--c-cyan); color:var(--c-ink); }
.nav-toggle[aria-expanded="true"]{ background:var(--c-cyan); color:var(--c-ink); }
.nav-toggle__mark{
  position:relative;
  width:15px;
  height:2px;
  background:currentColor;
}
.nav-toggle__mark::before,
.nav-toggle__mark::after{
  content:"";
  position:absolute;
  left:0;
  width:15px;
  height:2px;
  background:currentColor;
}
.nav-toggle__mark::before{ top:-5px; }
.nav-toggle__mark::after{ top:5px; }

/* 06 · 栏目条 ------------------------------------------------------------ */
.navrail{
  position:relative;
  z-index:70;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  padding:0 clamp(16px,3vw,32px);
  background:var(--c-ink);
  border-top:1px solid var(--hair);
  border-bottom:3px solid var(--c-night);
}

.navrail__list{
  grid-column:2;
  display:flex;
  align-items:stretch;
  gap:clamp(6px,1.8vw,28px);
}

.navrail__item{ display:flex; }

.navrail__link{
  display:inline-flex;
  align-items:center;
  padding:16px 4px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.05em;
  color:var(--c-moss);
  text-decoration:none;
  white-space:nowrap;
  border-bottom:3px solid transparent;
  transition:color .18s var(--ease), border-color .18s var(--ease);
}
.navrail__link:hover{ color:var(--c-cream); }
.navrail__link[aria-current="page"]{
  color:var(--c-cyan);
  border-bottom-color:var(--c-orange);
}

.navrail__cta{
  grid-column:3;
  justify-self:end;
  display:inline-flex;
  align-items:center;
  padding:10px 16px;
  background:var(--c-orange);
  border:2px solid var(--c-orange);
  color:#180704;
  font-size:14px;
  font-weight:800;
  letter-spacing:.06em;
  text-decoration:none;
  white-space:nowrap;
  box-shadow:4px 4px 0 rgba(53,242,208,.4);
  transition:transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
}
.navrail__cta:hover,
.navrail__cta:focus-visible{
  background:var(--c-cyan);
  border-color:var(--c-cyan);
  color:var(--c-ink);
  transform:translate(-2px,-2px);
  box-shadow:8px 8px 0 rgba(255,75,31,.45);
}

/* 07 · 页脚 -------------------------------------------------------------- */
.site-footer{
  background:var(--c-night);
  background-image:linear-gradient(180deg, var(--c-night) 0%, #0A2A21 100%);
  border-top:3px solid var(--c-cyan);
  color:var(--c-cream);
}

.site-footer__inner{
  max-width:var(--w);
  margin:0 auto;
  padding:clamp(34px,5vw,64px) clamp(16px,3vw,32px) clamp(26px,3.6vw,44px);
  display:grid;
  grid-template-columns:1.25fr .85fr 1fr;
  gap:clamp(26px,4vw,54px);
  align-items:start;
}

.footer__col{ min-width:0; }

.footer__col--brand{
  border-left:3px solid var(--c-orange);
  padding-left:16px;
}

.footer__wordmark{
  font-family:var(--f-display);
  font-weight:900;
  font-size:24px;
  letter-spacing:-.01em;
  line-height:1.2;
  margin-bottom:10px;
}

.footer__tagline{
  font-size:14.5px;
  line-height:1.75;
  color:var(--c-moss);
  max-width:34em;
  margin-bottom:14px;
}

.footer__stamp{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:6px 11px;
  border:1px dashed rgba(245,165,36,.55);
  font-size:12.5px;
  letter-spacing:.12em;
  color:var(--c-amber);
}
.footer__stamp .dot{ animation:none; box-shadow:0 0 0 4px rgba(255,75,31,.16); }

.footer__title{
  font-size:12px;
  font-weight:700;
  letter-spacing:.3em;
  color:var(--c-cyan);
  margin-bottom:14px;
}

.footer__list{ display:flex; flex-direction:column; gap:1px; }

.footer__link{
  display:inline-block;
  padding:5px 0;
  font-size:15px;
  color:var(--c-cream);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease), border-color .18s var(--ease);
}
.footer__link:hover,
.footer__link:focus-visible{
  color:var(--c-cyan);
  border-bottom-color:var(--c-cyan);
}

.footer__legal{
  margin-top:9px;
  font-size:13px;
  line-height:1.68;
  color:var(--c-moss);
  overflow-wrap:anywhere;
}

.site-footer__base{
  background:rgba(7,28,23,.6);
  border-top:1px solid var(--hair);
}
.site-footer__basein{
  max-width:var(--w);
  margin:0 auto;
  padding:16px clamp(16px,3vw,32px);
  display:flex;
  flex-wrap:wrap;
  gap:8px 22px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--c-moss);
}
.footer__mono{
  font-family:var(--f-data);
  font-weight:600;
  font-feature-settings:"tnum" 1;
  letter-spacing:.04em;
  color:var(--c-silver);
}

/* 08 · 布局容器 ---------------------------------------------------------- */
.wrap{
  width:100%;
  max-width:var(--w);
  margin:0 auto;
  padding:0 clamp(16px,3vw,32px);
}
.wrap--narrow{ max-width:820px; }

.section{ padding:clamp(36px,6vw,84px) 0; }
.section--tight{ padding-top:clamp(20px,3vw,36px); }

.section__head{
  display:flex;
  align-items:baseline;
  flex-wrap:wrap;
  gap:12px 16px;
  padding-bottom:12px;
  margin-bottom:clamp(18px,2.6vw,30px);
  border-bottom:2px solid var(--hair);
}
.section__index{
  flex:0 0 auto;
  padding:3px 9px;
  background:var(--c-amber);
  color:var(--c-brown);
  font-family:var(--f-data);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.16em;
  font-feature-settings:"tnum" 1;
}
.section__title{
  font-family:var(--f-display);
  font-weight:900;
  font-size:clamp(24px,3.4vw,38px);
  line-height:1.16;
  letter-spacing:-.015em;
  color:var(--c-cream);
}
.section__lead{
  flex:1 1 260px;
  font-size:14.5px;
  line-height:1.72;
  color:var(--c-moss);
}

.grid{
  display:grid;
  gap:clamp(16px,2.4vw,28px);
}
.grid--split{ grid-template-columns:minmax(0,7fr) minmax(0,5fr); }
.grid--halves{ grid-template-columns:repeat(2,minmax(0,1fr)); }
.grid--thirds{ grid-template-columns:repeat(3,minmax(0,1fr)); }

/* 09 · 正文阅读区 -------------------------------------------------------- */
.paper{
  background:var(--c-cream);
  color:var(--c-brown);
  border-top:3px solid var(--c-brown);
  border-bottom:3px solid var(--c-brown);
}

.prose{
  max-width:38em;
  font-size:16px;
  line-height:1.78;
  color:var(--c-brown);
}
.prose--ondark{ color:var(--c-cream); }
.prose > * + *{ margin-top:1.15em; }
.prose p{ margin:0; }
.prose h2{
  font-family:var(--f-display);
  font-weight:900;
  font-size:clamp(20px,2.4vw,26px);
  line-height:1.3;
  letter-spacing:-.01em;
}
.prose h3{
  font-size:17px;
  font-weight:800;
  letter-spacing:.02em;
}
.prose ul,
.prose ol{
  padding-left:1.35em;
  list-style:disc;
}
.prose ol{ list-style:decimal; }
.prose li + li{ margin-top:.45em; }
.prose a{
  color:var(--c-night);
  text-decoration:underline;
  text-decoration-color:var(--c-orange);
  text-decoration-thickness:2px;
  text-underline-offset:3px;
}
.prose--ondark a{
  color:var(--c-cyan);
  text-decoration-color:var(--c-orange);
}

/* 10 · 按钮 -------------------------------------------------------------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:13px 22px;
  font-size:15px;
  font-weight:800;
  letter-spacing:.06em;
  text-decoration:none;
  cursor:pointer;
  border:2px solid currentColor;
  background:transparent;
  box-shadow:5px 5px 0 rgba(7,28,23,.55);
  transition:transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}
.btn--orange{ background:var(--c-orange); border-color:var(--c-orange); color:#180704; }
.btn--orange:hover,
.btn--orange:focus-visible{
  background:var(--c-cyan);
  border-color:var(--c-cyan);
  color:var(--c-ink);
  transform:translate(-2px,-2px);
  box-shadow:8px 8px 0 rgba(255,75,31,.4);
}
.btn--cyan{ background:var(--c-cyan); border-color:var(--c-cyan); color:var(--c-ink); }
.btn--cyan:hover,
.btn--cyan:focus-visible{
  background:var(--c-amber);
  border-color:var(--c-amber);
  transform:translate(-2px,-2px);
  box-shadow:8px 8px 0 rgba(53,242,208,.35);
}
.btn--ghost{ color:var(--c-cream); border-color:var(--c-silver); }
.btn--ghost:hover,
.btn--ghost:focus-visible{
  background:var(--c-cream);
  border-color:var(--c-cream);
  color:var(--c-brown);
  transform:translate(-2px,-2px);
  box-shadow:8px 8px 0 rgba(201,207,203,.28);
}

/* 11 · 面包屑 ------------------------------------------------------------ */
.breadcrumb{
  background:rgba(7,28,23,.75);
  border-bottom:1px solid var(--hair);
}
.breadcrumb__list{
  max-width:var(--w);
  margin:0 auto;
  padding:11px clamp(16px,3vw,32px);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  font-size:12.5px;
  letter-spacing:.09em;
  color:var(--c-moss);
}
.breadcrumb__list li{ display:inline-flex; align-items:center; }
.breadcrumb__list li + li::before{
  content:"／";
  margin:0 10px;
  color:var(--c-silver);
  opacity:.5;
}
.breadcrumb__link{
  color:var(--c-moss);
  text-decoration:none;
  border-bottom:1px solid transparent;
}
.breadcrumb__link:hover,
.breadcrumb__link:focus-visible{
  color:var(--c-cyan);
  border-bottom-color:var(--c-cyan);
}
.breadcrumb__current{ color:var(--c-amber); font-weight:700; }

/* 12 · 面板与展签 -------------------------------------------------------- */
.panel{
  position:relative;
  padding:clamp(18px,2.6vw,30px);
  background:var(--c-night);
  border:2px solid var(--line);
}
.panel--ink{ background:var(--c-ink); border-color:rgba(53,242,208,.3); }
.panel--purple{ background:var(--c-purple); border-color:rgba(226,205,251,.3); }
.panel--paper{
  background:var(--c-cream);
  color:var(--c-brown);
  border-color:var(--c-brown);
  box-shadow:var(--shadow-hard);
}
.panel--edge{
  border-left-width:8px;
  border-left-color:var(--c-orange);
}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 9px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--c-moss);
  border:1px solid currentColor;
}
.tag--league{ color:var(--c-cyan); border-color:rgba(53,242,208,.5); }
.tag--cup{
  color:#E2CDFB;
  background:var(--c-purple);
  border-color:rgba(226,205,251,.4);
}
.tag--live{
  color:#180704;
  background:var(--c-orange);
  border-color:var(--c-orange);
}

/* 13 · 数据锚点 ---------------------------------------------------------- */
.data-figure{
  font-family:var(--f-data);
  font-weight:600;
  font-feature-settings:"tnum" 1,"zero" 1;
  letter-spacing:-.02em;
}
.stat{ display:flex; flex-direction:column; gap:3px; }
.stat__value{
  font-family:var(--f-data);
  font-weight:600;
  font-feature-settings:"tnum" 1;
  font-size:clamp(28px,4.4vw,46px);
  line-height:1;
  letter-spacing:-.03em;
  color:var(--c-cyan);
}
.stat__label{
  font-size:12px;
  letter-spacing:.16em;
  color:var(--c-moss);
}

/* 14 · 图片容器（页面阶段放 <img> 用） ---------------------------------- */
.figure-frame{
  position:relative;
  overflow:hidden;
  border:3px solid var(--c-cyan);
  background:linear-gradient(135deg, var(--c-purple) 0%, var(--c-night) 100%);
  box-shadow:12px 12px 0 rgba(7,28,23,.55);
}
.figure-frame::after{
  content:"";
  display:block;
  padding-top:56.25%;
}
.figure-frame--portrait::after{ padding-top:125%; }
.figure-frame--square::after{ padding-top:100%; }
.figure-frame > img,
.figure-frame > .figure-frame__ph{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}
.figure-frame__ph{
  display:flex;
  align-items:flex-end;
  padding:14px;
  font-size:12px;
  letter-spacing:.16em;
  color:var(--c-moss);
  background-image:
    repeating-linear-gradient(45deg, rgba(53,242,208,.09) 0 1px, transparent 1px 14px);
}

/* 15 · 筛选按钮组 -------------------------------------------------------- */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  padding:11px 12px;
  margin-bottom:clamp(16px,2.4vw,28px);
  background:rgba(7,28,23,.7);
  border:2px solid var(--line);
  border-left:8px solid var(--c-purple);
}
.filter-bar__btn{
  padding:8px 14px;
  font-size:13.5px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--c-moss);
  background:transparent;
  border:1px solid rgba(201,207,203,.34);
  cursor:pointer;
  transition:background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease);
}
.filter-bar__btn:hover{ color:var(--c-cream); border-color:var(--c-cyan); }
.filter-bar__btn[aria-pressed="true"]{
  background:var(--c-cyan);
  border-color:var(--c-cyan);
  color:var(--c-ink);
  transform:translateY(-2px);
}
.filter-empty{
  margin-bottom:24px;
  padding:14px 16px;
  border:2px dashed rgba(245,165,36,.55);
  color:var(--c-amber);
  font-size:14px;
  line-height:1.7;
}

/* 16 · 横向分区标签 ------------------------------------------------------ */
.chip-row{
  display:flex;
  gap:10px;
  padding:4px 0 10px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;
}
.chip-row::-webkit-scrollbar{ display:none; }
.chip{
  flex:0 0 auto;
  scroll-snap-align:center;
  padding:8px 16px;
  font-size:13.5px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--c-moss);
  text-decoration:none;
  border:2px solid rgba(201,207,203,.28);
  transition:color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease), transform .18s var(--ease);
}
.chip:hover,
.chip:focus-visible{ color:var(--c-cream); border-color:var(--c-cyan); }
.chip.is-active,
.chip[aria-current="true"]{
  color:var(--c-ink);
  background:var(--c-cyan);
  border-color:var(--c-cyan);
  transform:scale(1.04);
}

/* 17 · 时间轴 ------------------------------------------------------------ */
.timeline{
  position:relative;
  padding-left:26px;
  border-left:2px solid rgba(53,242,208,.3);
}
.timeline__item{
  position:relative;
  padding-bottom:22px;
}
.timeline__item:last-child{ padding-bottom:0; }
.timeline__item::before{
  content:"";
  position:absolute;
  left:-34px;
  top:6px;
  width:14px;
  height:14px;
  background:var(--c-ink);
  border:3px solid var(--c-amber);
}
.timeline__time{
  font-family:var(--f-data);
  font-weight:600;
  font-feature-settings:"tnum" 1;
  font-size:12.5px;
  letter-spacing:.1em;
  color:var(--c-amber);
}
.timeline__text{
  margin-top:3px;
  font-size:15px;
  line-height:1.7;
  color:var(--c-cream);
}

/* 18 · 进入视口显现 ------------------------------------------------------ */
[data-reveal]{
  opacity:0;
  transform:translateY(24px);
  clip-path:inset(0 0 100% 0);
  transition:opacity .42s var(--ease), transform .42s var(--ease), clip-path .5s var(--ease);
}
[data-reveal].is-inview{
  opacity:1;
  transform:none;
  clip-path:inset(0 0 0 0);
}

/* 19 · 平板 -------------------------------------------------------------- */
@media (max-width:1080px){
  .navrail{
    display:flex;
    justify-content:flex-start;
    gap:0;
    overflow-x:auto;
    scrollbar-width:none;
    scroll-snap-type:x proximity;
  }
  .navrail::-webkit-scrollbar{ display:none; }
  .navrail__list{
    grid-column:auto;
    margin:0 auto;
    padding-left:4px;
    padding-right:4px;
  }
  .navrail__item{ scroll-snap-align:center; }
  .navrail__cta{
    grid-column:auto;
    justify-self:auto;
    margin-left:14px;
    flex:0 0 auto;
    align-self:center;
  }
}

@media (max-width:980px){
  .grid--split,
  .grid--thirds{ grid-template-columns:minmax(0,1fr); }
}

@media (max-width:900px){
  .site-footer__inner{ grid-template-columns:1fr 1fr; }
  .footer__col--brand{ grid-column:1 / -1; }
}

/* 20 · 移动端 ------------------------------------------------------------ */
@media (max-width:860px){
  .site-header__bar{
    grid-template-columns:1fr;
    padding-top:clamp(20px,6vw,28px);
    padding-bottom:clamp(16px,5vw,22px);
  }
  .brand{ grid-column:1; }
  .brand__wordmark{
    font-size:clamp(26px,7.6vw,40px);
    text-shadow:2px 2px 0 rgba(255,75,31,.85);
  }
  .brand__kicker{ letter-spacing:.24em; }
  .site-header__stamp{ display:none; }

  .nav-toggle{
    display:inline-flex;
    position:absolute;
    left:clamp(14px,4vw,28px);
    top:50%;
    transform:translateY(-50%);
    z-index:2;
    padding:9px 10px;
  }
  .nav-toggle__text{ display:none; }

  .navrail{
    display:none;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    z-index:70;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    padding:8px 0 20px;
    overflow:visible;
    overflow-y:auto;
    max-height:calc(100vh - 110px);
    background:var(--c-ink);
    border-top:1px solid var(--line);
    border-bottom:3px solid var(--c-cyan);
    box-shadow:0 22px 0 rgba(7,28,23,.45);
  }
  .navrail[data-open="true"]{ display:flex; }

  .navrail__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    width:100%;
    margin:0;
    padding:0 20px;
  }
  .navrail__link{
    display:block;
    padding:15px 12px;
    font-size:17px;
    letter-spacing:.04em;
    border-bottom:1px solid var(--hair);
    border-left:3px solid transparent;
  }
  .navrail__link[aria-current="page"]{
    color:var(--c-cyan);
    border-bottom-color:var(--hair);
    border-left-color:var(--c-orange);
    background:rgba(53,242,208,.07);
  }

  .navrail__cta{
    margin:16px 20px 0;
    align-self:stretch;
    justify-content:center;
    padding:14px 16px;
    font-size:15px;
  }
}

@media (max-width:640px){
  .grid--halves{ grid-template-columns:minmax(0,1fr); }
  .section__head{ gap:10px 12px; }
  .section__lead{ flex:1 1 100%; }
  .btn{ width:100%; }
}

@media (max-width:560px){
  .site-footer__inner{ grid-template-columns:1fr; }
  .footer__col--brand{ grid-column:auto; }
  .site-footer__basein{ justify-content:flex-start; }
}

/* 21 · 无障碍与偏好 ------------------------------------------------------ */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  [data-reveal]{
    opacity:1 !important;
    transform:none !important;
    clip-path:none !important;
  }
}