/* ==========================================================
   斗鱼体育 · 共享站点样式 /assets/site.css
   深海蓝基底 + 斗鱼橙锚点 + 经幡五色低饱和点缀
   ========================================================== */

:root{
  /* 色彩 */
  --sea-900:#071827;
  --night-900:#0B1119;
  --trench-700:#12344D;
  --ice-300:#8FC7DF;
  --orange-500:#FF6B2C;
  --orange-200:#FFC29E;
  --paper:#F5F1E8;
  --flag-blue:#6E94A7;
  --flag-red:#A75D55;
  --flag-green:#6D927B;
  --flag-yellow:#C6A45B;

  /* 排版 */
  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",Georgia,serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --fs-body:clamp(16px,0.55vw + 14.6px,17.5px);

  /* 结构 */
  --shell-max:1200px;
  --gutter:clamp(18px,4vw,56px);
  --rule:rgba(143,199,223,.22);
  --rule-soft:rgba(143,199,223,.14);
  --flagline:linear-gradient(90deg,var(--flag-blue) 0 22%,var(--paper) 22% 40%,var(--flag-red) 40% 58%,var(--flag-green) 58% 76%,var(--flag-yellow) 76% 100%);
}

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  min-height:100vh;
  font-family:var(--font-body);
  font-size:var(--fs-body);
  font-weight:400;
  line-height:1.75;
  color:var(--paper);
  background-color:var(--sea-900);
  background-image:radial-gradient(120% 80% at 50% -12%,rgba(18,52,77,.6) 0%,rgba(7,24,39,0) 62%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{font-weight:700;line-height:1.24;letter-spacing:-.01em}
strong{font-weight:700}
:focus-visible{outline:2px solid var(--orange-500);outline-offset:3px;border-radius:2px}
::selection{background:var(--orange-500);color:#08121c}
body.nav-open{overflow:hidden}

/* ---------- 2. 工具类 ---------- */
.mono{font-family:var(--font-mono);font-variant-ligatures:none;letter-spacing:.1em}
.visually-hidden{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}
.skip-link{
  position:fixed;top:10px;left:10px;z-index:300;
  padding:10px 18px;border-radius:2px;
  background:var(--orange-500);color:#08121c;
  font-weight:700;font-size:13px;letter-spacing:.1em;
  transform:translateY(-180%);
  transition:transform .25s ease;
}
.skip-link:focus{transform:none}

/* ---------- 3. 布局容器 ---------- */
.container{width:100%;max-width:var(--shell-max);margin-inline:auto;padding-inline:var(--gutter)}
.container--narrow{max-width:760px}
.section{padding-block:clamp(46px,7vw,96px)}
.grid{display:grid;gap:clamp(18px,2.6vw,34px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:900px){.grid--2,.grid--3{grid-template-columns:1fr}}

/* ---------- 4. 刊头 Header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:linear-gradient(180deg,#071827 0%,#082033 62%,#071827 100%);
  border-bottom:1px solid var(--rule);
  box-shadow:0 16px 34px -28px #000;
}
.site-header::before{
  content:"";display:block;height:3px;opacity:.6;
  background:var(--flagline);
}
.masthead{
  position:relative;
  width:100%;max-width:var(--shell-max);
  margin-inline:auto;
  padding:clamp(8px,1.4vw,16px) var(--gutter) clamp(4px,1vw,8px);
  transition:padding .35s ease;
}
.masthead__meta{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;
  max-height:44px;overflow:hidden;opacity:1;
  padding-bottom:clamp(6px,1vw,12px);
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.26em;
  color:var(--ice-300);text-transform:uppercase;
  transition:max-height .35s ease,opacity .25s ease,padding-bottom .35s ease;
}
.masthead__coord{justify-self:start;opacity:.78}
.masthead__issue{justify-self:end;opacity:.78}
.masthead__note{
  justify-self:center;
  font-family:var(--font-body);font-size:12px;letter-spacing:.34em;
  color:rgba(245,241,232,.7);text-transform:none;white-space:nowrap;
}
.masthead__core{
  position:relative;z-index:130;
  display:flex;align-items:center;justify-content:center;gap:16px;
  padding:2px 0 clamp(6px,1.2vw,12px);
  transition:padding .35s ease;
}
.brand{display:flex;flex-direction:column;align-items:center;gap:3px;text-align:center}
.brand__mark{
  position:relative;display:block;width:15px;height:15px;border-radius:50%;
  border:1px solid rgba(255,107,44,.55);
}
.brand__mark::before,.brand__mark::after{content:"";position:absolute;background:var(--orange-500)}
.brand__mark::before{left:50%;top:-4px;width:1px;height:23px;transform:translateX(-50%)}
.brand__mark::after{top:50%;left:-4px;height:1px;width:23px;transform:translateY(-50%)}
.brand__name{
  font-family:var(--font-serif);font-weight:700;
  font-size:clamp(26px,3.6vw,40px);line-height:1.12;letter-spacing:.16em;text-indent:.16em;
  color:var(--paper);
  transition:font-size .35s ease;
}
.brand__sub{
  font-family:var(--font-mono);font-size:9px;letter-spacing:.42em;text-indent:.42em;
  color:var(--ice-300);opacity:.66;
}

/* 导航条（桌面） */
.site-nav{position:relative;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}
.site-nav__list{grid-column:2;display:flex;flex-wrap:wrap;justify-content:center;gap:clamp(12px,2.2vw,30px);counter-reset:nav}
.site-nav__list>li{counter-increment:nav}
.site-nav__link{
  position:relative;display:inline-flex;align-items:baseline;
  padding:9px 2px 11px;
  font-size:14.5px;letter-spacing:.12em;color:rgba(245,241,232,.68);
  transition:color .25s ease;
}
.site-nav__link::before{
  content:"0" counter(nav);
  margin-right:7px;
  font-family:var(--font-mono);font-size:9px;letter-spacing:.06em;
  color:var(--ice-300);opacity:.55;
  transition:color .25s ease,opacity .25s ease;
}
.site-nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;
  background:var(--orange-500);
  transform:scaleX(0);transform-origin:left center;
  transition:transform .3s cubic-bezier(.22,.7,.3,1);
}
.site-nav__link:hover{color:var(--paper)}
.site-nav__link:hover::after{transform:scaleX(1)}
.site-nav__link[aria-current="page"]{color:var(--paper)}
.site-nav__link[aria-current="page"]::before{color:var(--orange-500);opacity:1}
.site-nav__link[aria-current="page"]::after{transform:scaleX(1)}

/* 按钮 */
.cta{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 22px;border-radius:2px;
  background:var(--orange-500);color:#08121c;
  font-family:var(--font-body);font-weight:700;font-size:14px;letter-spacing:.08em;
  transition:background .25s ease,transform .25s ease,color .25s ease;
}
.cta::after{content:"→";font-family:var(--font-mono);font-size:13px;transition:transform .25s ease}
.cta:hover{background:var(--orange-200);transform:translateY(-1px)}
.cta:hover::after{transform:translateX(3px)}
.cta--ghost{
  background:transparent;color:var(--paper);
  border:1px solid rgba(143,199,223,.45);
}
.cta--ghost::after{color:var(--orange-500)}
.cta--ghost:hover{background:rgba(143,199,223,.1);border-color:var(--ice-300);color:var(--paper)}
.cta--masthead{grid-column:3;justify-self:end;padding:10px 18px;font-size:13px;letter-spacing:.06em}

/* 移动菜单按钮 */
.nav-toggle{
  display:none;align-items:center;gap:10px;
  padding:9px 16px;border:1px solid rgba(143,199,223,.4);border-radius:999px;
  background:rgba(18,52,77,.4);
  color:var(--paper);font-size:12px;letter-spacing:.24em;text-indent:.24em;
  transition:border-color .25s ease,background .25s ease;
}
.nav-toggle:hover{border-color:var(--orange-500);background:rgba(255,107,44,.12)}
.nav-toggle__bars{display:flex;flex-direction:column;gap:3px}
.nav-toggle__bars i{display:block;width:16px;height:2px;background:var(--orange-500);transition:transform .3s ease,opacity .25s ease}
.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)}

/* 滚动压缩态 */
.site-header[data-state="compact"] .masthead{padding-top:4px;padding-bottom:2px}
.site-header[data-state="compact"] .masthead__meta{max-height:0;opacity:0;padding-bottom:0;pointer-events:none}
.site-header[data-state="compact"] .masthead__core{padding:2px 0 4px}
.site-header[data-state="compact"] .brand__name{font-size:clamp(20px,2.4vw,27px)}
.site-header[data-state="compact"] .brand__mark{transform:scale(.82)}

/* 移动端 iOS 悬浮锚点 */
.ios-anchor{
  position:fixed;right:14px;bottom:18px;z-index:95;
  display:none;align-items:center;gap:8px;
  padding:12px 18px;border-radius:999px;
  background:var(--orange-500);color:#08121c;
  font-weight:700;font-size:13px;letter-spacing:.06em;
  box-shadow:0 16px 34px -14px rgba(255,107,44,.75);
  transform:translateY(140%);opacity:0;
  transition:transform .35s cubic-bezier(.22,.7,.3,1),opacity .3s ease;
}
.ios-anchor__dot{width:7px;height:7px;border-radius:50%;background:#08121c;animation:anchorPulse 2.4s ease-in-out infinite}
@keyframes anchorPulse{0%,100%{opacity:.4}50%{opacity:1}}
.site-header[data-state="compact"] .ios-anchor{transform:none;opacity:1}

/* ---------- 5. 页脚 Footer ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(40px,7vw,90px);
  background:var(--night-900);
  color:var(--paper);
  border-top:1px solid var(--rule-soft);
}
.footer-flagline{height:4px;opacity:.5;background:var(--flagline)}
.footer-inner{
  width:100%;max-width:var(--shell-max);margin-inline:auto;
  padding:clamp(40px,6vw,72px) var(--gutter) clamp(26px,4vw,44px);
}
.footer-head{
  position:relative;
  padding-bottom:clamp(24px,3.2vw,40px);
  border-bottom:1px solid var(--rule-soft);
}
.footer-head::after{
  content:"";position:absolute;right:calc(-1 * var(--gutter));top:-14px;
  width:min(42%,300px);height:calc(100% + 28px);
  background:linear-gradient(135deg,rgba(255,107,44,.2) 0%,rgba(143,199,223,.07) 55%,rgba(7,24,39,0) 72%);
  clip-path:polygon(26% 0,100% 0,100% 100%,0 100%);
  pointer-events:none;
}
.footer-kicker{
  display:flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.3em;
  color:var(--ice-300);text-transform:uppercase;
  margin-bottom:clamp(14px,2vw,20px);
}
.footer-kicker .mono{color:var(--flag-yellow)}
.footer-claim{
  font-family:var(--font-serif);font-weight:700;
  font-size:clamp(25px,4.4vw,44px);line-height:1.26;letter-spacing:.04em;
  max-width:15em;
  background:linear-gradient(100deg,var(--paper) 0%,var(--paper) 58%,var(--orange-200) 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.footer-anchor{display:flex;align-items:center;gap:12px;margin-top:clamp(14px,2vw,22px)}
.footer-anchor__line{
  position:relative;display:block;width:58px;height:1px;
  background:linear-gradient(90deg,var(--orange-500),rgba(255,107,44,0));
}
.footer-anchor__line::before{
  content:"";position:absolute;left:-5px;top:-4px;width:9px;height:9px;
  border:1px solid var(--orange-500);border-radius:50%;background:var(--night-900);
}
.footer-anchor__label{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.24em;color:rgba(143,199,223,.75)}

.footer-grid{
  display:grid;grid-template-columns:1.2fr .8fr .8fr .8fr;
  gap:clamp(22px,3vw,40px);
  padding-top:clamp(26px,3.6vw,44px);
}
.footer-card{
  position:relative;
  padding:20px 20px 22px;
  background:rgba(245,241,232,.045);
  border:1px solid rgba(245,241,232,.16);
  box-shadow:8px 8px 0 -1px rgba(245,241,232,.06),16px 16px 0 -2px rgba(245,241,232,.03);
}
.footer-card::before{content:"";position:absolute;left:0;top:0;width:36px;height:3px;background:var(--orange-500)}
.footer-card__title{
  margin-bottom:14px;
  font-family:var(--font-body);font-size:12.5px;font-weight:600;letter-spacing:.26em;
  color:var(--ice-300);
}
.footer-contact li{
  display:grid;grid-template-columns:48px 1fr;gap:10px;
  padding:9px 0;
  border-bottom:1px dashed rgba(245,241,232,.14);
  font-size:14px;line-height:1.6;word-break:break-all;
}
.footer-contact__key{padding-top:3px;font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;color:var(--flag-yellow)}
.footer-contact__val{color:rgba(245,241,232,.88)}
.footer-note{margin-top:14px;font-size:12.5px;line-height:1.7;color:rgba(245,241,232,.52)}

.footer-col{padding-top:4px}
.footer-col__head{
  display:flex;align-items:baseline;gap:10px;
  margin-bottom:14px;padding-bottom:10px;
  border-bottom:1px solid rgba(143,199,223,.28);
}
.footer-col__num{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--flag-yellow)}
.footer-col__title{font-size:13.5px;font-weight:600;letter-spacing:.2em;color:var(--paper)}
.footer-col__list>li+li{margin-top:1px}
.footer-link{
  position:relative;display:inline-flex;align-items:center;gap:9px;
  padding:8px 0;font-size:14px;color:rgba(245,241,232,.66);
  transition:color .25s ease,transform .25s ease;
}
.footer-link::before{
  content:"";display:block;width:12px;height:1px;background:var(--ice-300);opacity:.5;
  transition:width .25s ease,background .25s ease,opacity .25s ease;
}
.footer-link:hover{color:var(--paper);transform:translateX(2px)}
.footer-link:hover::before{width:20px;background:var(--orange-500);opacity:1}

.footer-legal{border-top:1px solid var(--rule-soft);background:rgba(0,0,0,.28)}
.footer-legal__inner{
  width:100%;max-width:var(--shell-max);margin-inline:auto;
  padding:16px var(--gutter);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 24px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;
  color:rgba(245,241,232,.48);
}
.footer-legal__meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 16px}
.footer-legal__link{position:relative;transition:color .25s ease}
.footer-legal__link:hover{color:var(--orange-200)}
.footer-legal__icp{color:rgba(143,199,223,.7)}

/* ---------- 6. 章节与档案组件 ---------- */
.chapter{
  display:flex;flex-wrap:wrap;align-items:flex-end;gap:clamp(12px,2vw,26px);
  margin-bottom:clamp(22px,3vw,38px);
}
.chapter__num{
  font-family:var(--font-mono);font-weight:700;
  font-size:clamp(52px,9vw,118px);line-height:.8;letter-spacing:-.03em;
  color:rgba(143,199,223,.14);
  -webkit-text-stroke:1px rgba(143,199,223,.45);
  transition:transform .5s cubic-bezier(.22,.7,.3,1);
}
[data-reveal].is-in .chapter__num{transform:scale(1.02)}
.chapter__body{display:flex;flex-direction:column;gap:8px;padding-bottom:6px}
.chapter__label{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.24em;
  color:var(--flag-yellow);text-transform:uppercase;
}
.chapter__label::before{content:"";width:18px;height:1px;background:var(--orange-500)}
.chapter__title{
  font-family:var(--font-display);font-weight:900;
  font-size:clamp(24px,3.4vw,40px);line-height:1.2;letter-spacing:-.02em;
  color:var(--paper);
}

.paper-card{
  position:relative;
  padding:clamp(18px,2.4vw,28px);
  background:rgba(18,52,77,.55);
  border:1px solid var(--rule);
}
.paper-card--stack{
  box-shadow:9px 9px 0 -1px rgba(143,199,223,.1),18px 18px 0 -2px rgba(143,199,223,.05);
}
.paper-card__title{font-size:clamp(17px,1.6vw,20px);letter-spacing:.02em;margin-bottom:10px;color:var(--paper)}
.paper-card__text{font-size:15px;line-height:1.8;color:rgba(245,241,232,.72);max-width:34em}

.meta-line{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:rgba(143,199,223,.82);
}
.meta-line__key{color:var(--flag-yellow)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 10px;border-radius:2px;
  border:1px solid rgba(143,199,223,.38);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:var(--ice-300);background:rgba(18,52,77,.35);
  transition:color .25s ease,border-color .25s ease,background .25s ease;
}
.tag::before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.8}
.tag--orange{border-color:rgba(255,107,44,.55);color:var(--orange-200);background:rgba(255,107,44,.12)}
.tag--green{border-color:rgba(109,146,123,.6);color:#A6C7B2;background:rgba(109,146,123,.14)}
.tag--yellow{border-color:rgba(198,164,91,.6);color:var(--flag-yellow);background:rgba(198,164,91,.12)}
.tag--red{border-color:rgba(167,93,85,.65);color:#D6A097;background:rgba(167,93,85,.14)}

/* ---------- 7. 面包屑 ---------- */
.breadcrumbs{margin-bottom:clamp(16px,2.4vw,26px)}
.breadcrumbs ol{
  display:flex;flex-wrap:wrap;align-items:center;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:rgba(143,199,223,.72);
}
.breadcrumbs li{display:inline-flex;align-items:center}
.breadcrumbs li+li::before{content:"/";margin:0 10px;color:rgba(143,199,223,.35)}
.breadcrumbs a:hover{color:var(--paper)}
.breadcrumbs [aria-current="page"]{color:var(--paper)}

/* ---------- 8. 图片容器基础 ---------- */
.img-frame{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,var(--trench-700) 0%,var(--sea-900) 72%);
  border:1px solid var(--rule);
  aspect-ratio:16/10;
}
.img-frame img{width:100%;height:100%;object-fit:cover;filter:saturate(.92) contrast(1.05)}
.img-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 90% at 50% 0%,rgba(7,24,39,0) 38%,rgba(7,24,39,.6) 100%);
}
.img-frame--wide{aspect-ratio:21/9}
.img-frame--tall{aspect-ratio:3/4}
.img-frame--square{aspect-ratio:1/1}
.img-frame--grain::before{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;opacity:.16;
  background-image:repeating-linear-gradient(0deg,rgba(245,241,232,.5) 0 1px,rgba(0,0,0,0) 1px 3px);
  mix-blend-mode:overlay;
}

/* ---------- 9. 显现动效 ---------- */
.js-reveal [data-reveal]{opacity:0;transform:translateY(18px)}
.js-reveal [data-reveal].is-in{
  opacity:1;transform:none;
  transition:opacity .6s ease,transform .6s cubic-bezier(.22,.7,.3,1);
}

/* ---------- 10. 响应式 ---------- */
@media (max-width:1024px){
  .site-nav{
    position:fixed;inset:0;z-index:120;
    display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:clamp(14px,2.6vh,26px);
    padding:clamp(158px,25vh,215px) var(--gutter) 40px;
    overflow-y:auto;
    background:
      radial-gradient(90% 62% at 92% 0%,rgba(255,107,44,.14),rgba(7,24,39,0) 62%),
      radial-gradient(86% 64% at 0% 100%,rgba(18,52,77,.92),rgba(7,24,39,0) 72%),
      var(--night-900);
    opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .3s ease,visibility .3s ease;
  }
  .site-nav[data-open]{opacity:1;visibility:visible;pointer-events:auto}
  .site-nav__list{
    display:flex;flex-direction:column;gap:0;
    border-top:1px solid rgba(143,199,223,.18);
  }
  .site-nav__link{
    display:flex;align-items:baseline;width:100%;
    padding:13px 2px;
    font-family:var(--font-serif);font-weight:700;
    font-size:clamp(21px,6vw,29px);letter-spacing:.04em;
    color:rgba(245,241,232,.84);
    border-bottom:1px solid rgba(143,199,223,.16);
  }
  .site-nav__link::before{font-size:10.5px;letter-spacing:.08em;color:var(--orange-500);opacity:.9;margin-right:2px}
  .site-nav__link::after{display:none}
  .site-nav__link[aria-current="page"]{color:var(--orange-500)}
  .cta--masthead{grid-column:auto;width:100%;justify-self:stretch;margin-top:4px}
  .nav-toggle{display:inline-flex}
  .masthead__core{flex-direction:column;gap:8px;padding-bottom:8px}
  .ios-anchor{display:inline-flex}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-card{grid-column:1 / -1}
  .footer-head::after{width:58%;opacity:.65}
}
@media (max-width:720px){
  .masthead__meta{grid-template-columns:1fr auto;font-size:9.5px;letter-spacing:.2em}
  .masthead__note{display:none}
  .brand__sub{font-size:8px;letter-spacing:.34em}
  .footer-grid{grid-template-columns:1fr}
  .footer-claim{font-size:clamp(23px,7vw,30px)}
  .footer-legal__inner{flex-direction:column;align-items:flex-start;gap:8px}
  .chapter__num{font-size:clamp(46px,15vw,72px)}
}
@media (min-width:721px) and (max-width:1024px){
  .masthead__note{font-size:11px;letter-spacing:.24em}
}

/* ---------- 11. 可访问性：减少动态 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .js-reveal [data-reveal]{opacity:1 !important;transform:none !important}
  .ios-anchor{transform:none;opacity:1}
}