/* ============================================================
   四季体育赛事 · 共享样式表 /assets/site.css
   奶油纸底 + 深墨绿品牌轨道 + 四季色温 + 荧光青通道反馈
   ============================================================ */

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit}
table{border-collapse:collapse;width:100%}
hr{border:0;border-top:1px solid rgba(34,27,23,.14)}

/* ---------- 变量 ---------- */
:root{
  --paper:#F6EFE2;
  --ink-green:#0E2A24;
  --ink:#221B17;
  --spring:#7FB24A;
  --yellow:#F2D46B;
  --summer:#E4572E;
  --amber:#C07A24;
  --ice:#8FC7DF;
  --neon:#2FE6C8;
  --glass:#E7ECEA;

  --rail-w:88px;
  --wrap:1280px;
  --gutter:clamp(16px,4vw,40px);
  --radius:14px;
  --speed:280ms;

  --font-display:"Noto Sans SC Condensed","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"Roboto Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --shadow-cut:0 18px 40px -28px rgba(14,42,36,.55);
  --line:rgba(34,27,23,.14);
}

/* ---------- 基础排版 ---------- */
body{
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background:
    radial-gradient(1200px 620px at 90% -10%, rgba(228,87,46,.10), transparent 62%),
    radial-gradient(900px 520px at -8% 6%, rgba(127,178,74,.13), transparent 60%),
    var(--paper);
  min-height:100vh;
  padding-left:var(--rail-w);
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:900;line-height:1.2;letter-spacing:.01em;color:var(--ink)}
p{text-wrap:pretty}
main{display:block}
#main-content{scroll-margin-top:130px}

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

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:absolute;left:calc(var(--rail-w) + 12px);top:-64px;z-index:200;
  background:var(--ink-green);color:var(--yellow);
  font-family:var(--font-mono);font-size:13px;letter-spacing:.1em;
  padding:10px 18px;border-radius:0 0 10px 10px;
  transition:top 180ms ease;
}
.skip-link:focus{top:0}

/* ---------- 左侧四季品牌轨道 ---------- */
.site-rail{
  position:fixed;inset:0 auto 0 0;width:var(--rail-w);z-index:60;
  display:flex;flex-direction:column;align-items:center;gap:16px;
  padding:18px 8px 20px;overflow-y:auto;
  background:linear-gradient(180deg,#0E2A24 0%,#134034 52%,#0A1F1B 100%);
  border-right:1px solid rgba(47,230,200,.22);
  color:var(--glass);
  scrollbar-width:none;
}
.site-rail::-webkit-scrollbar{display:none}

.rail-mark{
  flex:0 0 auto;display:grid;place-items:center;
  width:38px;height:38px;border-radius:10px;
  font-family:var(--font-display);font-weight:900;font-size:17px;
  color:var(--ink-green);background:var(--yellow);
  box-shadow:0 0 0 1px rgba(47,230,200,.5),0 10px 22px -14px rgba(0,0,0,.9);
}
.rail-brand{
  writing-mode:vertical-rl;flex:0 1 auto;min-height:0;overflow:hidden;
  font-family:var(--font-display);font-weight:900;font-size:15px;
  letter-spacing:.34em;color:var(--paper);
  padding:4px 0;transition:color var(--speed) ease;
}
.rail-brand:hover{color:var(--neon)}
.rail-label{
  writing-mode:vertical-rl;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.28em;
  text-transform:uppercase;color:#7F9891;
}
.rail-meter{display:flex;flex-direction:column;gap:6px;flex:0 0 auto}
.rail-meter__seg{display:block;width:9px;height:20px;border-radius:3px;opacity:.9}
.rail-meter__seg--spring{background:linear-gradient(180deg,var(--spring),#5C8B31)}
.rail-meter__seg--summer{background:linear-gradient(180deg,var(--summer),#A93414)}
.rail-meter__seg--autumn{background:linear-gradient(180deg,var(--amber),#8A5512)}
.rail-meter__seg--winter{background:linear-gradient(180deg,var(--ice),#4E8AA4)}

.rail-status{
  display:flex;align-items:center;gap:8px;flex:0 0 auto;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;color:#B9CFC8;
}
.rail-status__text{writing-mode:vertical-rl;letter-spacing:.22em}
.rail-dot{
  width:8px;height:8px;border-radius:50%;background:var(--neon);
  animation:pulse 2.8s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(47,230,200,.5);opacity:.85}
  50%{box-shadow:0 0 0 7px rgba(47,230,200,0);opacity:1}
}
.rail-link{
  flex:0 0 auto;writing-mode:vertical-rl;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;
  color:var(--ink-green);background:var(--neon);
  padding:12px 6px;border-radius:999px;
  transition:background-color var(--speed) ease,color var(--speed) ease;
}
.rail-link:hover{background:var(--yellow);color:var(--ink)}
.rail-year{
  margin-top:auto;flex:0 0 auto;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:#7F9891;
}

/* ---------- 刊头 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:linear-gradient(180deg,rgba(246,239,226,.98),rgba(246,239,226,.9));
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header::before{
  content:"";display:block;height:4px;
  background:linear-gradient(90deg,
    var(--spring) 0 22%,var(--yellow) 22% 42%,var(--summer) 42% 62%,
    var(--amber) 62% 80%,var(--ice) 80% 100%);
}
.masthead{
  max-width:var(--wrap);margin:0 auto;
  padding:14px var(--gutter) 10px;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;
}
.masthead__meta{
  grid-column:1;justify-self:start;
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
}
.mono-label{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:#3F544D;
  padding:4px 10px;border:1px dashed rgba(34,27,23,.3);border-radius:999px;
  background:rgba(231,236,234,.65);
}
.masthead__now{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:#54655E;
}
.masthead__now.is-idle{display:none}
.mono-num{
  font-family:var(--font-mono);font-weight:700;letter-spacing:.04em;
  color:var(--ink-green);
  text-shadow:0 0 10px rgba(47,230,200,.5);
}
.masthead__brand{grid-column:2;text-align:center}
.brand-name{
  display:inline-block;
  font-family:var(--font-display);font-weight:900;
  font-size:clamp(26px,3.4vw,40px);line-height:1.05;letter-spacing:.06em;
  color:var(--ink);
  transform:skewX(-3deg);
  border-bottom:3px solid var(--summer);
  padding-bottom:2px;
  transition:color var(--speed) ease,border-color var(--speed) ease;
}
.brand-name:hover{color:var(--ink-green);border-color:var(--neon)}
.brand-line{
  margin-top:7px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;
  text-transform:uppercase;color:#6B7C75;
}
.masthead__actions{
  grid-column:3;justify-self:end;
  display:flex;align-items:center;gap:10px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;
  padding:10px 18px;border-radius:999px;border:1px solid transparent;
  transition:transform var(--speed) ease,background-color var(--speed) ease,color var(--speed) ease,box-shadow var(--speed) ease;
}
.btn:hover{transform:translateY(-2px)}
.btn--primary{
  background:var(--summer);color:#FFF7F2;
  box-shadow:0 12px 24px -16px rgba(228,87,46,.95);
}
.btn--primary:hover{background:#C8471F}
.btn--ghost{
  background:rgba(231,236,234,.6);color:var(--ink-green);
  border-color:rgba(14,42,36,.32);
}
.btn--ghost:hover{background:var(--ink-green);color:var(--neon);border-color:var(--ink-green)}

/* ---------- 移动导航按钮 ---------- */
.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:9px 15px;border-radius:999px;
  border:1px solid rgba(14,42,36,.34);
  background:rgba(231,236,234,.6);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--ink-green);
  transition:background-color var(--speed) ease,color var(--speed) ease,border-color var(--speed) ease;
}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:3px;width:16px}
.nav-toggle__bars i{display:block;height:2px;border-radius:2px;background:var(--ink-green);
  transition:transform var(--speed) ease,opacity var(--speed) ease,background-color var(--speed) ease}
.nav-toggle__text{white-space:nowrap}
.nav-toggle[aria-expanded="true"]{background:var(--ink-green);color:var(--neon);border-color:var(--ink-green)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i{background:var(--neon)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ---------- 栏目导航 ---------- */
.site-nav{background:rgba(246,239,226,.65);border-top:1px solid var(--line)}
.nav-list{
  max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter);
  display:flex;flex-wrap:wrap;justify-content:center;gap:0 clamp(10px,2.4vw,30px);
  counter-reset:navidx;
}
.nav-list__item{display:flex}
.nav-link{
  position:relative;display:inline-flex;align-items:baseline;gap:7px;
  padding:12px 3px 14px;font-size:15px;color:#3F544D;
  transition:color var(--speed) ease;
}
.nav-link::before{
  counter-increment:navidx;content:"0" counter(navidx);
  font-family:var(--font-mono);font-size:10px;letter-spacing:.08em;color:var(--amber);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;
  background:var(--neon);transform:scaleX(0);transform-origin:left;
  transition:transform var(--speed) ease,background-color var(--speed) ease;
}
.nav-link:hover{color:var(--ink-green)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--ink-green);font-weight:700}
.nav-link[aria-current="page"]::after{transform:scaleX(1);background:var(--summer)}

/* ---------- 阅读进度 ---------- */
.read-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:3px;
  background:rgba(34,27,23,.08);
}
.read-progress__bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:left;
  background:linear-gradient(90deg,var(--spring),var(--neon),var(--summer));
  transition:transform 120ms linear;
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;
  margin-top:clamp(48px,8vw,96px);
  padding:clamp(40px,6vw,72px) var(--gutter) 22px;
  background:linear-gradient(180deg,#0E2A24 0%,#0A211C 62%,#09201C 100%);
  color:#CFDCD8;
}
.site-footer::before{
  content:"";position:absolute;inset:0 0 auto 0;height:6px;
  background:linear-gradient(90deg,
    var(--spring) 0 22%,var(--yellow) 22% 42%,var(--summer) 42% 62%,
    var(--amber) 62% 80%,var(--ice) 80% 100%);
}
.site-footer::after{
  content:"";position:absolute;right:-80px;bottom:-110px;width:300px;height:300px;
  background:radial-gradient(circle,rgba(47,230,200,.16),transparent 68%);
  pointer-events:none;
}
.footer-inner{position:relative;z-index:1;max-width:var(--wrap);margin:0 auto}
.footer-grid{
  display:grid;grid-template-columns:1.5fr .9fr .9fr 1.25fr;
  gap:clamp(22px,3vw,48px);
}
.footer-brand__name{
  font-family:var(--font-display);font-weight:900;
  font-size:clamp(22px,2.6vw,30px);letter-spacing:.04em;color:var(--paper);
}
.footer-brand__region{margin-top:8px;font-size:14px;color:#9FB3AC}
.footer-note{margin-top:14px;max-width:34ch;font-size:13px;color:#8FA5A0;line-height:1.7}
.footer-col__title{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--neon);padding-bottom:10px;margin-bottom:12px;
  border-bottom:1px solid rgba(47,230,200,.28);
}
.footer-list{display:grid;gap:9px}
.footer-link{
  display:inline-block;font-size:14px;color:#D6E2DE;
  transition:color var(--speed) ease,transform var(--speed) ease;
}
.footer-link:hover{color:var(--yellow);transform:translateX(4px)}
.footer-contact{display:grid;gap:12px}
.footer-contact__item{display:grid;gap:3px;font-size:13.5px;color:#D6E2DE;line-height:1.7}
.footer-contact__label{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;
  text-transform:uppercase;color:#7F9891;
}
.footer-base{
  margin-top:clamp(28px,4vw,48px);padding-top:16px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 24px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:#8FA5A0;
}
.footer-copy{margin:0}
.footer-legal{display:flex;flex-wrap:wrap;gap:8px 20px}

/* ============================================================
   通用页面组件
   ============================================================ */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}

.section{padding:clamp(34px,6vw,76px) 0;scroll-margin-top:130px}
.section__head{
  display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px 24px;
  padding-bottom:14px;margin-bottom:clamp(18px,3vw,32px);
  border-bottom:1px solid var(--line);
}
.section__title{font-size:clamp(24px,3vw,34px);letter-spacing:.02em}
.section__lead{flex:1 1 320px;max-width:62ch;font-size:16px;color:#41524B}
.eyebrow{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-green);background:rgba(47,230,200,.18);
  border-left:3px solid var(--spring);
  padding:4px 10px;border-radius:2px;
  transition:background-color var(--speed) ease,color var(--speed) ease,border-color var(--speed) ease;
}
[data-section].is-active .eyebrow{background:var(--neon);color:#08322B;border-left-color:var(--summer)}

/* 卡片与网格 */
.grid{display:grid;gap:clamp(14px,2vw,26px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--offset .card:nth-child(even){transform:translateY(10px)}
.card{position:relative;padding:clamp(18px,2.4vw,28px);border-radius:var(--radius)}
.card--glass{
  background:linear-gradient(160deg,rgba(231,236,234,.9),rgba(231,236,234,.5));
  border:1px solid rgba(255,255,255,.75);
  backdrop-filter:blur(8px);
  box-shadow:var(--shadow-cut);
}
.card--solid{background:#FFFDF8;border:1px solid var(--line)}
.card--accent{background:linear-gradient(160deg,#0E2A24,#163F35);color:var(--paper);border:1px solid rgba(47,230,200,.35)}
.card--cut{
  border-radius:0;
  clip-path:polygon(0 0,calc(100% - 26px) 0,100% 26px,100% 100%,0 100%);
}
.card__title{font-size:clamp(19px,2.2vw,24px);margin-bottom:8px}
.card--accent .card__title{color:var(--paper)}
.card__meta{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:#6B7C75;
}
.card--accent .card__meta{color:rgba(246,239,226,.68)}

/* 图片容器（页面阶段放占位图） */
.media-frame{
  position:relative;display:block;margin:0;overflow:hidden;
  border-radius:12px;aspect-ratio:16/10;
  background:linear-gradient(135deg,#0E2A24,#1C4A3F);
}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(135deg,rgba(47,230,200,.07) 0 2px,transparent 2px 7px);
}
.media-frame__img{width:100%;height:100%;object-fit:cover}
.media-frame__caption{
  position:absolute;left:0;right:0;bottom:0;z-index:1;
  padding:10px 14px;
  background:linear-gradient(0deg,rgba(14,42,36,.9),transparent);
  color:#EAF3F0;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:3/4}

/* 标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  padding:3px 10px;border-radius:999px;border:1px solid currentColor;
}
.badge--spring{color:#3F6B1E;background:rgba(127,178,74,.18)}
.badge--summer{color:#A93414;background:rgba(228,87,46,.16)}
.badge--autumn{color:#8A5512;background:rgba(192,122,36,.18)}
.badge--winter{color:#2A5C74;background:rgba(143,199,223,.22)}
.badge--neon{color:#0B5B4D;background:rgba(47,230,200,.22)}

/* 斜切比分条 */
.score-strip{
  position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:clamp(10px,2vw,22px);
  padding:14px 26px 14px 20px;
  background:linear-gradient(100deg,#0E2A24,#17423A);
  color:var(--paper);
  clip-path:polygon(0 0,100% 0,calc(100% - 24px) 100%,0 100%);
}
.score-strip__num{
  font-family:var(--font-mono);font-weight:700;
  font-size:clamp(26px,5vw,44px);line-height:1;
  color:var(--yellow);text-shadow:0 0 14px rgba(47,230,200,.55);
}
.score-strip__meta{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(246,239,226,.72);
}

/* 索引列表 */
.index-list{border-top:1px solid var(--line)}
.index-list__item{
  display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:baseline;
  padding:12px 8px;border-bottom:1px solid rgba(34,27,23,.1);
  transition:background-color var(--speed) ease;
}
.index-list__item:hover{background:rgba(47,230,200,.1)}
.index-list__num{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--amber);
}

/* 正文容器 */
.prose{max-width:68ch;font-size:17px;color:#2C3A34}
.prose p+p,.prose ul+p,.prose p+ul{margin-top:1em}
.prose h2{font-size:clamp(22px,2.6vw,30px);margin:2em 0 .6em}
.prose h3{font-size:clamp(18px,2.1vw,22px);margin:1.6em 0 .5em}
.prose ul{display:grid;gap:8px}
.prose li{padding-left:20px;position:relative}
.prose li::before{
  content:"";position:absolute;left:0;top:.75em;
  width:10px;height:2px;background:var(--summer);
}
.prose a{border-bottom:1px solid var(--summer);color:var(--ink-green)}
.prose strong{color:var(--ink-green)}

/* 面包屑 */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:14px 0;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:#54655E;
}
.breadcrumb__item{display:inline-flex;align-items:center}
.breadcrumb__item+.breadcrumb__item::before{content:"/";margin-right:8px;color:var(--amber)}
.breadcrumb__item a:hover{color:var(--summer)}

/* 页内锚点导航 */
.anchor-nav{display:flex;flex-wrap:wrap;gap:8px}
.anchor-nav__link{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;
  padding:6px 13px;border-radius:999px;
  border:1px solid rgba(34,27,23,.22);
  background:rgba(231,236,234,.6);color:#3F544D;
  transition:background-color var(--speed) ease,color var(--speed) ease,border-color var(--speed) ease;
}
.anchor-nav__link:hover,.anchor-nav__link.is-active{
  background:var(--ink-green);color:var(--neon);border-color:var(--ink-green);
}

/* 显现动效协议 */
[data-reveal]{
  opacity:0;transform:translateY(14px);
  transition:opacity 320ms ease,transform 320ms ease;
}
[data-reveal].is-visible{opacity:1;transform:none}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1024px){
  body{padding-left:0}
  .skip-link{left:12px}
  .site-rail{
    position:static;width:100%;height:auto;
    flex-direction:row;align-items:center;gap:12px;
    padding:10px var(--gutter);overflow-x:auto;overflow-y:hidden;
    border-right:0;border-bottom:1px solid rgba(47,230,200,.22);
  }
  .rail-mark{width:28px;height:28px;font-size:13px;border-radius:8px}
  .rail-brand{writing-mode:horizontal-tb;font-size:15px;letter-spacing:.16em;flex:0 0 auto;padding:0}
  .rail-label{display:none}
  .rail-meter{flex-direction:row;gap:4px}
  .rail-meter__seg{width:18px;height:6px;border-radius:2px}
  .rail-status{flex:0 0 auto}
  .rail-status__text{writing-mode:horizontal-tb;letter-spacing:.12em;white-space:nowrap}
  .rail-link{writing-mode:horizontal-tb;padding:6px 12px;margin-left:auto;font-size:11px}
  .rail-year{margin-top:0;font-size:11px}

  .masthead{grid-template-columns:1fr auto;gap:12px;padding:12px var(--gutter) 10px}
  .masthead__meta{display:none}
  .masthead__brand{grid-column:1;text-align:left}
  .brand-name{font-size:clamp(22px,5vw,28px);border-bottom-width:2px}
  .brand-line{letter-spacing:.14em}
  .masthead__actions{grid-column:2}
  .nav-toggle{display:inline-flex}

  .site-nav{
    display:none;
    background:var(--paper);
    border-top:1px solid var(--line);
    box-shadow:0 26px 42px -32px rgba(14,42,36,.9);
  }
  .site-nav[data-open]{display:block;animation:navDrop 240ms ease both}
  .nav-list{flex-direction:column;gap:0;padding:6px var(--gutter) 14px}
  .nav-list__item{display:block;border-bottom:1px dashed rgba(34,27,23,.16)}
  .nav-link{display:flex;width:100%;padding:14px 4px;font-size:16px}
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{color:var(--summer);background:rgba(47,230,200,.12)}
  @keyframes navDrop{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

  .grid--2,.grid--3{grid-template-columns:1fr}
  .grid--offset .card:nth-child(even){transform:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}

@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-note{max-width:none}
}

@media (max-width:620px){
  body{font-size:16px}
  .masthead__actions .btn--primary{display:none}
  .footer-grid{grid-template-columns:1fr}
  .footer-base{flex-direction:column;align-items:flex-start}
  .index-list__item{grid-template-columns:auto 1fr;row-gap:4px}
  .index-list__item>*:last-child{grid-column:2}
  .score-strip{clip-path:polygon(0 0,100% 0,calc(100% - 14px) 100%,0 100%);padding-right:18px}
}

/* ---------- 无障碍与动效偏好 ---------- */
@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}
  .rail-dot{animation:none}
  .read-progress__bar{transition:none}
  .btn:hover,.footer-link:hover{transform:none}
}