/* ============================================================
   财神棋牌888 · 共享站点样式 /assets/site.css
   报头域(朱砂) - 数据域(墨绿/冷灰蓝) - 长文域(雾米) - 收口域(夜墨)
   ============================================================ */

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,dl,dt,dd,figure,blockquote,hr{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:0}
button{cursor:pointer}
a{color:inherit}
hr{border:0}

:root{
  --zhu:#C1272D;
  --zhu-deep:#8A1618;
  --jin:#C8A24A;
  --jin-light:#E8CE93;
  --green:#0F3B33;
  --night:#07110E;
  --steel:#4A5C6A;
  --mist:#EFE9DC;
  --paper:#D8D2C4;
  --heat:#FF7A45;
  --on-dark:#F3EFE6;
  --on-light:#0E1512;
  --line-on-dark:rgba(232,206,147,.26);
  --line-on-light:rgba(14,21,18,.14);
  --muted-on-dark:rgba(243,239,230,.7);
  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --wrap:1240px;
  --gutter:20px;
  --gap:20px;
  --t:.15s linear;
}

@media (min-width:768px){:root{--gutter:32px;--gap:24px}}
@media (min-width:1200px){:root{--gutter:40px}}

/* ---------- 基础排版 ---------- */
body{
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  color:var(--on-light);
  background:var(--mist);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
@media (min-width:1024px){body{font-size:17px}}

h1,h2,h3,h4,h5{font-family:var(--font-display);font-weight:900;letter-spacing:-.01em;line-height:1.18}
h1{font-size:clamp(32px,5.2vw,64px)}
h2{font-size:clamp(25px,3.4vw,40px)}
h3{font-size:clamp(20px,2.2vw,25px)}
h4{font-size:clamp(17px,1.6vw,20px);font-weight:700}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
strong{font-weight:700}
code,kbd{font-family:var(--font-mono);font-size:.92em}
::selection{background:var(--jin);color:var(--night)}

main{display:block}
#main-content{display:block}
[id]{scroll-margin-top:32px}

/* ---------- 通用工具 ---------- */
.visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.container--narrow{max-width:760px}
.muted{color:var(--steel)}

.section{padding:52px 0}
@media (min-width:768px){.section{padding:80px 0}}
.section--mist{background:var(--mist);color:var(--on-light)}
.section--green{background:var(--green);color:var(--on-dark)}
.section--steel{background:var(--steel);color:var(--on-dark)}
.section--night{background:var(--night);color:var(--on-dark)}
.section--red{background:var(--zhu);color:#FFF6E9}
.section--green .muted,.section--night .muted,.section--steel .muted{color:var(--muted-on-dark)}
.section--red .muted{color:rgba(255,246,233,.78)}
.section--green .divider-rule,.section--night .divider-rule,.section--steel .divider-rule,.section--green .section-head,.section--night .section-head,.section--steel .section-head{border-color:var(--line-on-dark)}
.section--green .bento__cell,.section--night .bento__cell,.section--steel .bento__cell{background:var(--night);color:var(--on-dark);border-color:var(--line-on-dark)}

.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;padding-bottom:16px;border-bottom:1px solid var(--line-on-light);margin-bottom:28px}
.section-head__title{font-size:clamp(25px,3.4vw,40px)}
.section-head__note{font-size:13px;letter-spacing:.06em;color:var(--steel)}

.divider-rule{position:relative;height:1px;background:var(--line-on-light);margin:0 0 28px}
.divider-rule::after{content:"";position:absolute;left:0;top:-1px;width:64px;height:3px;background:var(--jin)}

.kicker{font-size:12px;font-weight:500;letter-spacing:.3em;color:var(--zhu);text-transform:uppercase}
.kicker--gold{color:var(--jin)}
.section--green .kicker,.section--night .kicker,.section--steel .kicker{color:var(--jin-light)}

/* ---------- 链接与按钮 ---------- */
.link-underline{text-decoration:underline;text-decoration-color:var(--paper);text-decoration-thickness:1px;text-underline-offset:4px;transition:text-decoration-color var(--t)}
.link-underline:hover{text-decoration-color:var(--jin);text-decoration-thickness:2px}

.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 24px;border:1px solid var(--zhu);background:var(--zhu);color:#FFF6E9;font-size:15px;font-weight:500;line-height:1.3;text-decoration:none;transition:background-color var(--t),border-color var(--t),color var(--t)}
.btn:hover{background:var(--zhu-deep);border-color:var(--zhu-deep);color:#FFF6E9}
.btn:active{background:var(--zhu-deep);border-color:var(--zhu-deep)}
.btn--ghost{background:transparent;color:var(--zhu)}
.btn--ghost:hover{background:var(--zhu);border-color:var(--zhu);color:#FFF6E9}
.btn--gold{border-color:var(--jin);background:var(--jin);color:var(--night)}
.btn--gold:hover{background:var(--jin-light);border-color:var(--jin-light);color:var(--night)}
.btn--on-dark{background:transparent;border-color:var(--jin-light);color:var(--jin-light)}
.btn--on-dark:hover{background:var(--jin-light);border-color:var(--jin-light);color:var(--night)}

.copy-btn{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;padding:7px 12px;border:1px solid var(--line-on-light);color:var(--steel);background:transparent;transition:border-color var(--t),color var(--t),background-color var(--t)}
.copy-btn:hover{border-color:var(--jin);color:var(--zhu)}
.copy-btn.is-copied{border-color:var(--jin);color:var(--zhu);background:rgba(200,162,74,.16)}

/* ---------- 跳转与进度 ---------- */
.skip-link{position:fixed;top:0;left:0;z-index:200;transform:translateY(-120%);background:var(--night);color:var(--jin-light);font-size:14px;padding:12px 20px;text-decoration:none;transition:transform var(--t)}
.skip-link:focus{transform:translateY(0)}

.scroll-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:130;background:rgba(7,17,14,.22);pointer-events:none}
.scroll-progress__bar{display:block;height:100%;width:100%;background:var(--jin);transform:scaleX(0);transform-origin:0 50%}

/* ---------- 报头 ---------- */
.site-header{position:relative;z-index:60;background:var(--zhu);color:var(--on-dark);border-bottom:3px solid var(--jin)}
.site-header__strip{background:var(--night);color:var(--jin-light)}
.strip-inner{max-width:var(--wrap);margin:0 auto;padding:9px var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:12px;letter-spacing:.06em}
.site-header__note{color:var(--jin-light)}
@media (max-width:599px){
  .strip-inner{justify-content:flex-end}
  .site-header__note{display:none}
}

.site-header__inner{max-width:var(--wrap);margin:0 auto;padding:20px var(--gutter) 0}
.masthead{display:flex;align-items:center;justify-content:center;gap:16px}
@media (min-width:768px){.masthead{gap:26px}}
.masthead__brand{display:block;text-align:center;text-decoration:none;color:inherit}
.masthead__name{display:block;font-family:var(--font-display);font-weight:900;font-size:clamp(26px,5vw,44px);line-height:1.08;letter-spacing:.01em;color:#FFF7E8}
.masthead__sub{display:block;margin-top:8px;padding-left:.4em;font-size:12px;letter-spacing:.4em;color:var(--jin-light)}
.masthead__seal{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--jin-light);color:var(--jin-light);font-size:12px;letter-spacing:.08em;writing-mode:vertical-rl;text-orientation:mixed;flex:0 0 auto}
.masthead__seal--gold{border-color:var(--jin);color:var(--jin)}
@media (max-width:520px){.masthead__seal{display:none}}

.utility-nav{display:flex;flex-wrap:wrap;gap:6px 18px}
.utility-nav__link{color:var(--jin-light);font-size:12px;text-decoration:none;border-bottom:1px solid transparent;transition:border-color var(--t),color var(--t)}
.utility-nav__link:hover{border-bottom-color:var(--jin-light);color:#FFF7E8}

.nav-toggle{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;margin:18px 0 0;padding:12px 16px;border:1px solid rgba(232,206,147,.5);color:var(--jin-light);font-size:14px;letter-spacing:.1em;background:transparent;transition:background-color var(--t),color var(--t),border-color var(--t)}
.nav-toggle:hover{background:rgba(7,17,14,.24);color:#FFF7E8}
.nav-toggle[aria-expanded="true"]{background:rgba(7,17,14,.34);color:#FFF7E8;border-color:var(--jin)}
.nav-toggle__bars{display:grid;gap:4px;width:16px}
.nav-toggle__bars span{display:block;height:2px;background:currentColor}

.site-nav{display:none;border-top:1px solid rgba(232,206,147,.3)}
.site-nav[data-open]{display:block}
.site-nav__list{display:flex;flex-direction:column}
.site-nav__item{min-width:0}
.site-nav__link{display:block;padding:13px 4px;color:#F7E7D6;font-size:15px;font-weight:500;text-decoration:none;border-bottom:1px solid rgba(232,206,147,.18);border-left:3px solid transparent;transition:color var(--t),border-color var(--t),background-color var(--t)}
.site-nav__link:hover{color:#FFF7E8;border-left-color:var(--jin-light)}
.site-nav__link[aria-current="page"]{color:#FFF7E8;border-left-color:var(--jin);background:rgba(7,17,14,.2)}

@media (min-width:901px){
  .site-header__inner{padding-top:24px}
  .nav-toggle{display:none}
  .site-nav{display:block;margin-top:22px;border-top:1px solid rgba(232,206,147,.34)}
  .site-nav__list{flex-direction:row;flex-wrap:wrap;justify-content:center}
  .site-nav__link{padding:15px 22px;font-size:15px;border-bottom:3px solid transparent;border-left:0}
  .site-nav__link:hover{color:#FFF7E8;border-bottom-color:var(--jin-light);border-left-color:transparent}
  .site-nav__link[aria-current="page"]{color:#FFF7E8;border-bottom-color:var(--jin);border-left-color:transparent;background:rgba(7,17,14,.22)}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--night);color:var(--on-dark);border-top:3px solid var(--zhu)}
.site-footer__inner{max-width:var(--wrap);margin:0 auto;padding:48px var(--gutter) 40px;display:grid;gap:44px}
@media (min-width:900px){.site-footer__inner{grid-template-columns:1fr 1.6fr;gap:56px;padding:64px var(--gutter) 48px}}

.footer-brand__mark{font-family:var(--font-display);font-weight:900;font-size:26px;letter-spacing:.02em;color:#FFF7E8}
.footer-brand__sub{margin-top:8px;font-size:12px;letter-spacing:.28em;color:var(--jin)}
.footer-brand__note{margin-top:18px;max-width:34ch;font-size:14px;line-height:1.8;color:var(--muted-on-dark)}
.footer-contact{margin-top:24px;display:grid;grid-template-columns:auto 1fr;gap:8px 16px;font-size:13px}
.footer-contact__key{color:var(--muted-on-dark);letter-spacing:.08em}
.footer-contact__val{font-family:var(--font-mono);color:var(--on-dark);word-break:break-all}

.footer-nav{display:grid;gap:30px}
@media (min-width:600px){.footer-nav{grid-template-columns:repeat(3,1fr)}}
.footer-col__title{padding-bottom:12px;border-bottom:1px solid var(--line-on-dark);font-size:12px;letter-spacing:.24em;color:var(--jin)}
.footer-col__list{margin-top:14px;display:flex;flex-direction:column;gap:9px}
.footer-col__link{font-size:14px;color:rgba(243,239,230,.82);text-decoration:none;transition:color var(--t)}
.footer-col__link:hover{color:var(--jin-light);text-decoration:underline;text-decoration-color:var(--jin);text-underline-offset:4px}

.site-footer__legal{border-top:1px solid rgba(232,206,147,.18)}
.legal-inner{max-width:var(--wrap);margin:0 auto;padding:18px var(--gutter) 30px;display:flex;flex-wrap:wrap;gap:6px 24px;font-size:12px;line-height:1.7;color:var(--muted-on-dark)}
.legal-line--copy{font-family:var(--font-mono);letter-spacing:.02em}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--steel)}
.breadcrumb__sep{color:var(--paper)}
.breadcrumb__link{text-decoration:none;transition:color var(--t)}
.breadcrumb__link:hover{color:var(--on-light);text-decoration:underline;text-decoration-color:var(--jin);text-underline-offset:4px}
.section--green .breadcrumb,.section--night .breadcrumb{color:var(--muted-on-dark)}

/* ---------- 网格与 Bento ---------- */
.grid-12{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gap)}
.grid-12__cell{grid-column:span 12}
@media (min-width:768px){
  .grid-12__cell{grid-column:span 6}
  .grid-12__cell--4{grid-column:span 4}
  .grid-12__cell--8{grid-column:span 8}
}

.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gap)}
.bento__cell{position:relative;grid-column:span 12;padding:22px;background:var(--mist);border:1px solid var(--line-on-light);transition:border-color var(--t)}
.bento__cell:hover{border-color:var(--jin)}
.bento__cell:hover::after{content:"";position:absolute;right:12px;bottom:12px;width:10px;height:10px;background:var(--jin)}
.bento__cell--green{background:var(--green);color:var(--on-dark);border-color:var(--line-on-dark)}
.bento__cell--night{background:var(--night);color:var(--on-dark);border-color:var(--line-on-dark)}
.bento__cell--red{background:var(--zhu);color:#FFF6E9;border-color:var(--zhu-deep)}
@media (min-width:768px){
  .bento__cell--4{grid-column:span 4}
  .bento__cell--5{grid-column:span 5}
  .bento__cell--6{grid-column:span 6}
  .bento__cell--7{grid-column:span 7}
  .bento__cell--8{grid-column:span 8}
  .bento__cell--12{grid-column:span 12}
}

/* ---------- 数字锚点 ---------- */
.stat{display:block}
.stat__num{display:block;font-family:var(--font-mono);font-size:clamp(40px,7vw,64px);line-height:1;letter-spacing:-.02em;color:var(--zhu)}
.stat__label{display:block;margin-top:10px;font-size:12px;letter-spacing:.1em;color:var(--steel)}
.stat--dark .stat__num{color:var(--jin-light)}
.stat--dark .stat__label{color:var(--muted-on-dark)}
.bento__cell--green .stat__num,.bento__cell--night .stat__num,.section--green .stat__num,.section--night .stat__num{color:var(--jin-light)}
.bento__cell--green .stat__label,.bento__cell--night .stat__label,.section--green .stat__label,.section--night .stat__label{color:var(--muted-on-dark)}
.section--red .stat__num{color:var(--jin-light)}

/* ---------- 注释与印章 ---------- */
.annot{font-size:12px;letter-spacing:.22em;color:var(--steel);text-transform:uppercase}
.annot--vertical{writing-mode:vertical-rl;text-orientation:mixed;letter-spacing:.3em;padding:4px 0}
.section--green .annot,.section--night .annot,.section--steel .annot{color:var(--muted-on-dark)}
.seal-tag{display:inline-grid;place-items:center;width:40px;height:40px;border:1px solid var(--zhu);color:var(--zhu);font-size:12px;letter-spacing:.08em;writing-mode:vertical-rl;text-orientation:mixed}
.seal-tag--gold{border-color:var(--jin);color:var(--jin)}
.section--green .seal-tag,.section--night .seal-tag{border-color:var(--jin-light);color:var(--jin-light)}

/* ---------- 轮次轴 ---------- */
.round-axis{position:relative;padding-top:18px;border-top:1px solid var(--line-on-light)}
.round-axis__track{display:flex;gap:8px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 0 14px;scrollbar-width:thin;scrollbar-color:var(--jin) transparent}
.round-axis__track::-webkit-scrollbar{height:4px}
.round-axis__track::-webkit-scrollbar-thumb{background:var(--jin)}
.round-axis__track::-webkit-scrollbar-track{background:var(--paper)}
.round-axis__item{flex:0 0 auto;min-width:104px;scroll-snap-align:start;padding:12px 14px;background:var(--mist);border:1px solid var(--line-on-light);text-decoration:none;transition:border-color var(--t),background-color var(--t)}
.round-axis__item:hover{border-color:var(--jin);background:#FFF9EE}
.round-axis__num{display:block;font-family:var(--font-mono);font-size:25px;line-height:1;color:var(--zhu)}
.round-axis__label{display:block;margin-top:8px;font-size:12px;color:var(--steel);letter-spacing:.04em}
.round-axis--dark{border-color:var(--line-on-dark)}
.round-axis--dark .round-axis__item{background:var(--green);border-color:var(--line-on-dark)}
.round-axis--dark .round-axis__item:hover{border-color:var(--jin);background:#124438}
.round-axis--dark .round-axis__num{color:var(--jin-light)}
.round-axis--dark .round-axis__label{color:var(--muted-on-dark)}

/* ---------- 复盘面板 ---------- */
.review-panel{background:#F7F3E9;border:1px solid var(--line-on-light)}
.review-panel__head{padding:14px 18px;border-bottom:1px solid var(--line-on-light);font-size:12px;letter-spacing:.2em;color:var(--steel)}
.review-panel__row{display:grid;grid-template-columns:88px 1fr;gap:16px;align-items:baseline;padding:14px 18px}
.review-panel__row + .review-panel__row{border-top:1px solid var(--line-on-light)}
.review-panel__key{font-size:12px;letter-spacing:.08em;color:var(--steel)}
.review-panel__val{font-family:var(--font-mono);font-size:25px;line-height:1.2;color:var(--on-light)}
.review-panel__val small{display:block;margin-top:6px;font-family:var(--font-body);font-size:12px;color:var(--steel)}
.section--green .review-panel,.bento__cell--green .review-panel{background:var(--night);border-color:var(--line-on-dark)}
.section--green .review-panel__row + .review-panel__row,.bento__cell--green .review-panel__row + .review-panel__row{border-color:var(--line-on-dark)}
.section--green .review-panel__head,.bento__cell--green .review-panel__head{border-color:var(--line-on-dark);color:var(--muted-on-dark)}
.section--green .review-panel__key,.bento__cell--green .review-panel__key,.section--green .review-panel__val small,.bento__cell--green .review-panel__val small{color:var(--muted-on-dark)}
.section--green .review-panel__val,.bento__cell--green .review-panel__val{color:var(--jin-light)}

/* ---------- 左侧索引 ---------- */
.index-rail{position:sticky;top:24px}
.index-rail__list{display:flex;flex-direction:column;gap:2px}
.index-rail__link{display:block;padding:9px 0 9px 14px;border-left:2px solid var(--line-on-light);font-size:14px;color:var(--steel);text-decoration:none;transition:border-color var(--t),color var(--t)}
.index-rail__link:hover{border-left-color:var(--jin-light);color:var(--on-light)}
.index-rail__link[aria-current="true"]{border-left-color:var(--jin);color:var(--on-light);font-weight:500}
.section--green .index-rail__link,.section--night .index-rail__link{border-left-color:var(--line-on-dark);color:var(--muted-on-dark)}
.section--green .index-rail__link[aria-current="true"],.section--night .index-rail__link[aria-current="true"]{color:var(--jin-light)}

/* ---------- 时间线 ---------- */
.timeline{border-left:1px solid var(--line-on-light);padding-left:22px}
.timeline__item{position:relative;padding-bottom:26px}
.timeline__item:last-child{padding-bottom:0}
.timeline__item::before{content:"";position:absolute;left:-27px;top:9px;width:9px;height:9px;background:var(--mist);border:1px solid var(--jin)}
.timeline__meta{display:block;margin-bottom:6px;font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--steel)}
.timeline--dark{border-color:var(--line-on-dark)}
.timeline--dark .timeline__item::before{background:var(--green)}
.timeline--dark .timeline__meta{color:var(--muted-on-dark)}

/* ---------- 折叠 ---------- */
.fold{border-top:1px solid var(--line-on-light)}
.fold:last-of-type{border-bottom:1px solid var(--line-on-light)}
.fold__summary{display:flex;align-items:center;gap:12px;padding:16px 0;font-weight:500;cursor:pointer;list-style:none}
.fold__summary::-webkit-details-marker{display:none}
.fold__icon{position:relative;flex:0 0 auto;width:14px;height:14px;border:1px solid var(--steel);transition:border-color var(--t)}
.fold__icon::before,.fold__icon::after{content:"";position:absolute;background:var(--steel)}
.fold__icon::before{left:2px;right:2px;top:50%;height:1px;transform:translateY(-50%)}
.fold__icon::after{top:2px;bottom:2px;left:50%;width:1px;transform:translateX(-50%);transition:opacity var(--t)}
.fold[open] .fold__icon{border-color:var(--jin)}
.fold[open] .fold__icon::before,.fold[open] .fold__icon::after{background:var(--jin)}
.fold[open] .fold__icon::after{opacity:0}
.fold__body{padding:0 0 18px}
.section--green .fold,.section--night .fold{border-color:var(--line-on-dark)}

/* ---------- 图像容器 ---------- */
.figure-frame{position:relative;overflow:hidden;background:var(--green);border:1px solid var(--line-on-light)}
.figure-frame__media,.figure-frame__placeholder{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;filter:saturate(.72) contrast(1.05)}
.figure-frame__placeholder{background:
  linear-gradient(var(--line-on-dark) 1px,transparent 1px) 0 0/100% 48px,
  linear-gradient(90deg,var(--line-on-dark) 1px,transparent 1px) 0 0/48px 100%,
  var(--green)}
.figure-frame--wide .figure-frame__media,.figure-frame--wide .figure-frame__placeholder{aspect-ratio:21/9}
.figure-frame--square .figure-frame__media,.figure-frame--square .figure-frame__placeholder{aspect-ratio:1/1}
.figure-frame--portrait .figure-frame__media,.figure-frame--portrait .figure-frame__placeholder{aspect-ratio:3/4}
.figure-frame__tag{position:absolute;top:0;left:0;z-index:2;padding:6px 10px;background:var(--zhu);color:#FFF6E9;font-family:var(--font-mono);font-size:12px}
.figure-frame__caption{margin-top:10px;font-size:12px;letter-spacing:.04em;color:var(--steel)}
.section--green .figure-frame__caption,.section--night .figure-frame__caption{color:var(--muted-on-dark)}

/* ---------- 纯 CSS 赛段切换 ---------- */
.segmented{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));border-bottom:1px solid var(--line-on-light)}
.segmented__input{display:none}
.segmented__label{grid-row:1;padding:11px 14px;text-align:center;font-size:14px;color:var(--steel);cursor:pointer;border-bottom:3px solid transparent;transition:color var(--t),border-color var(--t)}
.segmented__input:checked + .segmented__label{color:var(--on-light);border-bottom-color:var(--zhu);font-weight:500}
.segmented__input:focus-visible + .segmented__label{outline:2px solid var(--jin);outline-offset:-2px}
.segmented__panel{grid-row:2;grid-column:1/-1;display:none;padding-top:22px}
.segmented__input:checked + .segmented__label + .segmented__panel{display:block}
.section--green .segmented,.section--night .segmented{border-color:var(--line-on-dark)}
.section--green .segmented__label,.section--night .segmented__label{color:var(--muted-on-dark)}
.section--green .segmented__input:checked + .segmented__label,.section--night .segmented__input:checked + .segmented__label{color:var(--on-dark);border-bottom-color:var(--jin)}

/* ---------- 焦点与动效偏好 ---------- */
:focus-visible{outline:2px solid var(--zhu);outline-offset:2px}
.site-header :focus-visible,.site-footer :focus-visible,.section--green :focus-visible,.section--night :focus-visible{outline-color:var(--jin-light)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important}
}