/* ==========================================================================
   易贝体育赛事 · 共享站点样式 /assets/site.css
   赛场夜灯下的数据看板：深墨绿基底 / 荧光青柠行动色 / 冷银灰数据层
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root{
  /* 色板 */
  --ink-900:#071A16;
  --ink-800:#0E2B24;
  --ink-700:#123A30;
  --moss:#2F6B57;
  --lime:#C6F24A;
  --lime-soft:#EAF9C0;
  --orange:#FF7A3C;
  --silver:#B9C4C6;
  --bone:#F3F1E7;
  --clay:#A6503C;
  --text-dark:#12211D;

  --bg:var(--ink-900);
  --fg:var(--bone);
  --muted:rgba(185,196,198,.72);
  --line:rgba(185,196,198,.20);
  --line-soft:rgba(185,196,198,.12);
  --line-strong:rgba(185,196,198,.42);
  --glass:rgba(14,43,36,.58);
  --glass-deep:rgba(7,26,22,.86);

  /* 字体 */
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono","Courier New",monospace;

  /* 字号阶梯 (1.25 比例) */
  --step--1:clamp(.72rem,.70rem + .10vw,.80rem);
  --step-0:clamp(.94rem,.90rem + .20vw,1.04rem);
  --step-1:clamp(1.10rem,1.02rem + .38vw,1.30rem);
  --step-2:clamp(1.38rem,1.24rem + .70vw,1.82rem);
  --step-3:clamp(1.82rem,1.52rem + 1.45vw,2.65rem);
  --step-4:clamp(2.30rem,1.82rem + 2.40vw,3.90rem);
  --step-5:clamp(2.70rem,1.90rem + 4.00vw,5.20rem);

  --radius-pill:999px;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;

  --shell:1200px;
  --gutter:clamp(16px,4vw,48px);
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur:240ms;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body,h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0;}
ul,ol{padding:0;margin:0;list-style:none;}
img,svg,video{display:block;max-width:100%;}
button{font:inherit;color:inherit;background:none;border:0;}
a{color:inherit;text-decoration:none;}
table{border-collapse:collapse;}

/* ---------- 3. 基础排版 ---------- */
body{
  min-height:100vh;
  background-color:var(--bg);
  background-image:
    linear-gradient(to right,rgba(185,196,198,.045) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(185,196,198,.045) 1px,transparent 1px);
  background-size:96px 96px;
  color:var(--fg);
  font-family:var(--font-sans);
  font-size:var(--step-0);
  font-weight:400;
  line-height:1.75;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

::selection{background:var(--lime);color:var(--ink-900);}

h1,h2,h3,h4{
  font-weight:900;
  line-height:1.08;
  letter-spacing:-.02em;
  color:var(--bone);
}
h1{font-size:var(--step-5);}
h2{font-size:var(--step-4);}
h3{font-size:var(--step-2);}
h4{font-size:var(--step-1);font-weight:700;letter-spacing:-.01em;}

strong{font-weight:700;color:var(--bone);}
em{font-style:normal;color:var(--lime);}

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

/* ---------- 4. 布局工具 ---------- */
.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.section{padding-block:clamp(40px,7vw,88px);}

.section-head{display:grid;gap:12px;margin-bottom:clamp(20px,3vw,36px);}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:var(--step--1);
  font-weight:600;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--lime);
}
.eyebrow::before{
  content:"";
  width:20px;
  height:2px;
  background:var(--lime);
  flex:0 0 auto;
}

.lede{
  font-size:var(--step-1);
  line-height:1.7;
  color:var(--silver);
  max-width:36em;
}

.prose{max-width:38em;}
.prose p + p{margin-top:1.2em;}
.prose h3{margin-top:1.6em;margin-bottom:.6em;}
.prose ul{display:grid;gap:.6em;max-width:38em;}
.prose li{padding-left:1.1em;position:relative;color:var(--silver);}
.prose li::before{
  content:"";
  position:absolute;
  left:0;
  top:.72em;
  width:6px;
  height:6px;
  background:var(--moss);
  border-radius:1px;
}

.grid{display:grid;gap:clamp(16px,2.4vw,28px);}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(16px,2.4vw,28px);}
.stack{display:grid;gap:16px;}

.divider{
  height:1px;
  border:0;
  background:var(--line);
  margin-block:clamp(20px,3vw,36px);
}

/* ---------- 5. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  font-family:var(--font-sans);
  font-weight:700;
  font-size:.9rem;
  line-height:1;
  padding:.9em 1.5em;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:
    background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:translateY(0);}

.btn-primary{background:var(--lime);border-color:var(--lime);color:var(--ink-900);}
.btn-primary:hover{background:var(--lime-soft);border-color:var(--lime-soft);}

.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--bone);}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);}

.btn-accent{background:var(--orange);border-color:var(--orange);color:var(--ink-900);}
.btn-accent:hover{background:#ff8f5c;border-color:#ff8f5c;}

.btn-sm{font-size:.8rem;padding:.72em 1.1em;}

/* ---------- 6. 头部浮岛 ---------- */
.skip-link{
  position:fixed;
  top:10px;
  left:14px;
  z-index:200;
  transform:translateY(-180%);
  background:var(--lime);
  color:var(--ink-900);
  font-weight:700;
  font-size:.86rem;
  padding:.62em 1.1em;
  border-radius:var(--radius-pill);
  transition:transform var(--dur) var(--ease);
}
.skip-link:focus{transform:translateY(0);}

.site-header{
  position:sticky;
  top:0;
  z-index:80;
  padding:14px var(--gutter) 0;
}
.site-header::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:calc(100% + 22px);
  background:linear-gradient(180deg,
    rgba(7,26,22,.96) 0%,
    rgba(7,26,22,.80) 52%,
    rgba(7,26,22,0) 100%);
  pointer-events:none;
  z-index:-1;
}

.header-shell{
  position:relative;
  max-width:var(--shell);
  margin-inline:auto;
  display:flex;
  align-items:center;
  gap:10px;
}

/* 品牌岛 */
.brand-island{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  padding:7px 16px 7px 9px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:var(--glass);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  color:var(--bone);
  transition:border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.brand-island:hover{border-color:var(--line-strong);}

.brand-mark{
  position:relative;
  width:28px;
  height:28px;
  flex:0 0 auto;
  background:var(--lime);
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);
  transition:background-color var(--dur) var(--ease);
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:8px;
  top:8px;
  width:9px;
  height:9px;
  background:var(--ink-900);
  border-radius:1px;
}
.brand-island:hover .brand-mark{background:var(--lime-soft);}

.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0;}
.brand-name{
  font-size:.95rem;
  font-weight:900;
  letter-spacing:.02em;
  white-space:nowrap;
}
.brand-tag{
  font-family:var(--font-mono);
  font-size:.6rem;
  font-weight:600;
  letter-spacing:.2em;
  color:var(--lime);
  white-space:nowrap;
  max-height:16px;
  overflow:hidden;
  transition:max-height var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
[data-site-header][data-scrolled] .brand-tag{max-height:0;opacity:0;}

/* 栏目胶囊 */
.nav-pill{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:2px;
  padding:5px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:var(--glass);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  overflow-x:auto;
  overscroll-behavior-x:contain;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
  transition:background-color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.nav-pill::-webkit-scrollbar{display:none;}

.nav-list{display:flex;align-items:center;gap:2px;}

.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:.5em .82em;
  border-radius:var(--radius-pill);
  font-size:.88rem;
  font-weight:500;
  color:var(--silver);
  white-space:nowrap;
  transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.nav-link:hover{color:var(--bone);background:rgba(198,242,74,.12);}
.nav-link[aria-current="page"]{
  color:var(--ink-900);
  background:var(--lime);
  font-weight:700;
}
.nav-link[aria-current="page"]:hover{background:var(--lime-soft);color:var(--ink-900);}

/* 工具岛 */
.header-tools{
  display:flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
}

.tool-link,
.tool-saved{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:.52em .9em;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:var(--glass);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  color:var(--silver);
  font-family:var(--font-mono);
  font-size:.76rem;
  font-weight:600;
  letter-spacing:.1em;
  white-space:nowrap;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.tool-link:hover,
.tool-saved:hover{color:var(--lime);border-color:var(--line-strong);}

.tool-count{
  font-family:var(--font-mono);
  font-size:.9em;
  font-weight:700;
  line-height:1;
  min-width:1.6em;
  padding:.22em .45em;
  text-align:center;
  border-radius:var(--radius-pill);
  background:var(--lime);
  color:var(--ink-900);
}

[data-site-header][data-scrolled] .brand-island,
[data-site-header][data-scrolled] .nav-pill,
[data-site-header][data-scrolled] .tool-link,
[data-site-header][data-scrolled] .tool-saved{
  background:var(--glass-deep);
  border-color:var(--line-strong);
}

/* 移动导航按钮 */
.nav-toggle{
  display:none;
  order:9;
  align-items:center;
  gap:8px;
  padding:.6em .9em;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:var(--glass);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  color:var(--bone);
  font-family:var(--font-mono);
  font-size:.76rem;
  letter-spacing:.1em;
  cursor:pointer;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--lime);}

.nav-toggle-text{line-height:1;}

.nav-toggle-bars{
  display:inline-flex;
  flex-direction:column;
  justify-content:center;
  gap:4px;
  width:16px;
  height:12px;
  flex:0 0 auto;
}
.nav-toggle-bars span{
  display:block;
  height:2px;
  width:100%;
  border-radius:2px;
  background:var(--lime);
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
[data-site-header][data-open] .nav-toggle-bars span:nth-child(1){transform:translateY(6px) rotate(45deg);}
[data-site-header][data-open] .nav-toggle-bars span:nth-child(2){opacity:0;}
[data-site-header][data-open] .nav-toggle-bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* 阅读进度光条 */
.scroll-meter{
  position:absolute;
  left:1px;
  right:1px;
  bottom:-9px;
  height:2px;
  border-radius:2px;
  background:rgba(185,196,198,.16);
  overflow:hidden;
  pointer-events:none;
}
.scroll-meter > span{
  display:block;
  height:100%;
  width:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--lime) 0%,var(--orange) 100%);
  will-change:transform;
}

/* ---------- 7. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(64px,10vw,140px);
  background:linear-gradient(180deg,var(--ink-800) 0%,var(--ink-900) 88%);
  border-top:1px solid var(--line);
  color:var(--bone);
}

.footer-cut{
  height:clamp(30px,5vw,56px);
  background-image:
    repeating-linear-gradient(90deg,rgba(198,242,74,.55) 0 2px,transparent 2px 72px),
    linear-gradient(90deg,rgba(255,122,60,.30) 0%,rgba(198,242,74,.22) 100%);
  -webkit-clip-path:polygon(0 100%,100% 0,100% 100%);
  clip-path:polygon(0 100%,100% 0,100% 100%);
}

.footer-shell{
  max-width:var(--shell);
  margin-inline:auto;
  padding:clamp(32px,5vw,60px) var(--gutter) 0;
}

.footer-lead{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px 32px;
  padding-bottom:clamp(24px,3vw,40px);
  border-bottom:1px solid var(--line);
}
.footer-lead-main{display:grid;gap:10px;min-width:0;}

.footer-kicker{
  font-family:var(--font-mono);
  font-size:var(--step--1);
  font-weight:600;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--lime);
}

.footer-title{
  font-size:var(--step-3);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.12;
  max-width:22ch;
}

.footer-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr)) minmax(0,1.5fr);
  gap:clamp(20px,3vw,44px);
  padding:clamp(28px,4vw,48px) 0;
  border-bottom:1px solid var(--line);
}

.footer-col{min-width:0;}

.footer-col-title{
  font-family:var(--font-mono);
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.2em;
  line-height:1.4;
  color:var(--silver);
  margin-bottom:14px;
  padding-bottom:10px;
  border-bottom:1px solid var(--line-soft);
}

.footer-links{display:grid;gap:10px;}

.footer-link{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:.94rem;
  color:var(--bone);
  transition:color var(--dur) var(--ease);
}
.footer-link::before{
  content:"";
  width:6px;
  height:6px;
  flex:0 0 auto;
  border-radius:1px;
  background:var(--moss);
  transition:background-color var(--dur) var(--ease);
}
.footer-link:hover{color:var(--lime);}
.footer-link:hover::before{background:var(--lime);}

.footer-contact{
  display:grid;
  gap:12px;
  align-content:start;
  min-width:0;
}

.contact-line{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:12px;
  align-items:baseline;
  font-size:.9rem;
  line-height:1.6;
}
.contact-key{
  font-family:var(--font-mono);
  font-size:.68rem;
  font-weight:600;
  letter-spacing:.16em;
  color:var(--lime);
  white-space:nowrap;
}
.contact-value{
  color:var(--bone);
  word-break:break-word;
}
.contact-note{
  font-size:.82rem;
  line-height:1.7;
  color:var(--muted);
  margin-top:4px;
}

.footer-base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 24px;
  padding:22px 0 30px;
}

.footer-record{
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.06em;
  color:var(--muted);
}
.footer-copy{
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.06em;
  color:var(--muted);
}
.footer-legal{display:flex;flex-wrap:wrap;gap:18px;}
.legal-link{
  font-size:.78rem;
  color:var(--silver);
  border-bottom:1px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.legal-link:hover{color:var(--lime);border-bottom-color:var(--lime);}

/* ---------- 8. 通用组件 ---------- */
.card{
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:clamp(18px,2.4vw,28px);
  min-width:0;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:var(--line-strong);}

.card--glass{
  background:var(--glass);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-color:var(--line-strong);
}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:.4em .85em;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:rgba(185,196,198,.06);
  color:var(--silver);
  font-family:var(--font-mono);
  font-size:.7rem;
  font-weight:600;
  letter-spacing:.12em;
  line-height:1.2;
  cursor:pointer;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.tag:hover{color:var(--bone);border-color:var(--line-strong);}
.tag--lime{
  color:var(--text-dark);
  background:var(--lime-soft);
  border-color:var(--lime);
}
.tag--lime:hover{color:var(--text-dark);border-color:var(--lime);}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.08em;
  color:var(--muted);
}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li + li::before{
  content:"/";
  color:var(--moss);
}
.breadcrumb a{
  color:var(--silver);
  transition:color var(--dur) var(--ease);
}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb [aria-current="page"]{color:var(--bone);}

/* 图片占位容器 */
.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:var(--ink-800);
  aspect-ratio:16 / 10;
  margin:0;
}
.media-frame[data-ratio="wide"]{aspect-ratio:21 / 9;}
.media-frame[data-ratio="square"]{aspect-ratio:1 / 1;}
.media-frame[data-ratio="tall"]{aspect-ratio:4 / 5;}
.media-frame > img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 320ms var(--ease);
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:48%;
  background:linear-gradient(180deg,rgba(7,26,22,0) 0%,rgba(7,26,22,.72) 100%);
  pointer-events:none;
}
.media-frame:hover > img{transform:scale(1.02);}

/* 折叠资料组 */
.expand{display:grid;gap:10px;}
.expand-item{
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  background:var(--ink-800);
  overflow:hidden;
  transition:border-color var(--dur) var(--ease);
}
.expand-item:hover{border-color:var(--line-strong);}
.expand-trigger{
  display:flex;
  width:100%;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 18px;
  text-align:left;
  cursor:pointer;
  color:var(--bone);
  font-size:.98rem;
  font-weight:700;
  transition:color var(--dur) var(--ease);
}
.expand-trigger::after{
  content:"";
  width:9px;
  height:9px;
  flex:0 0 auto;
  border-right:2px solid var(--lime);
  border-bottom:2px solid var(--lime);
  transform:rotate(45deg);
  transition:transform var(--dur) var(--ease);
}
.expand-trigger[aria-expanded="true"]{color:var(--lime);}
.expand-trigger[aria-expanded="true"]::after{transform:rotate(-135deg);}
.expand-panel{
  padding:0 18px 18px;
  color:var(--silver);
  font-size:.94rem;
  line-height:1.75;
  max-width:44em;
}

/* ---------- 9. 显现动效 ---------- */
[data-reveal]{
  opacity:0;
  transform:translateY(12px);
  transition:opacity 320ms var(--ease),transform 320ms var(--ease);
}
[data-reveal].is-revealed{opacity:1;transform:none;}

/* ---------- 10. 响应式 ---------- */
@media (max-width:1120px){
  .nav-link{font-size:.84rem;padding:.48em .68em;}
  .tool-link,.tool-saved{font-size:.72rem;padding:.5em .78em;}
}

@media (max-width:1000px){
  .tool-saved{display:none;}
}

@media (max-width:960px){
  .header-tools{margin-left:auto;}
  .nav-toggle{display:inline-flex;}

  .nav-pill{
    position:absolute;
    left:0;
    right:0;
    top:calc(100% + 10px);
    margin-left:0;
    flex-direction:column;
    align-items:stretch;
    padding:10px;
    border-radius:22px;
    max-height:min(72vh,540px);
    overflow-x:hidden;
    overflow-y:auto;
    box-shadow:0 28px 56px -28px rgba(3,12,10,.92);
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    pointer-events:none;
    transition:opacity 200ms var(--ease),transform 240ms var(--ease),visibility 240ms linear;
  }
  [data-site-header][data-open] .nav-pill{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
    pointer-events:auto;
  }

  .nav-list{flex-direction:column;align-items:stretch;gap:2px;}
  .nav-link{
    justify-content:flex-start;
    padding:.8em 1em;
    border-radius:var(--radius-md);
    font-size:.96rem;
  }
  .scroll-meter{bottom:-8px;}
}

@media (max-width:720px){
  .tool-link{display:none;}
  .brand-name{font-size:.9rem;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media (max-width:560px){
  .site-header{padding-top:10px;}
  .brand-tag{display:none;}
  .brand-island{padding:6px 12px 6px 8px;}
  .brand-mark{width:24px;height:24px;}
  .brand-mark::after{left:7px;top:7px;width:8px;height:8px;}
  .nav-toggle-text{display:none;}
  .nav-toggle{padding:.62em .78em;}
  .btn-sm{padding:.68em .95em;font-size:.76rem;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-lead{flex-direction:column;align-items:flex-start;}
  .footer-base{flex-direction:column;align-items:flex-start;}
  .footer-legal{gap:14px;}
}

@media (max-width:380px){
  .nav-toggle{display:none;}
}

/* ---------- 11. 减弱动效 ---------- */
@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;transform:none;}
  .btn:hover,
  .card:hover,
  .media-frame:hover > img{transform:none;}
}