/* ============================================================
   97游戏官方 · 共享站点样式 /assets/site.css
   高原暗夜蓝连续画布 + 经幡五色状态系统
   ============================================================ */

:root{
  --y97-night:#081726;
  --y97-night-2:#102A43;
  --y97-mist:#F5F1E6;
  --y97-yellow:#F4C95D;
  --y97-red:#E05A5A;
  --y97-green:#47B881;
  --y97-blue:#5B8DEF;
  --y97-white:#FFFFFF;
  --y97-line:#91A7C4;
  --y97-wood:#6F4E37;
  --y97-radius:28px;
  --y97-pill:999px;
  --y97-ease:cubic-bezier(0.22,1,0.36,1);
  --y97-dur:200ms;
  --y97-container:1200px;
  --y97-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,Georgia,"Times New Roman",serif;
  --y97-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --y97-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  background-color:var(--y97-night);
  background-image:
    radial-gradient(120% 62% at 82% -8%,rgba(91,141,239,.20),transparent 62%),
    radial-gradient(90% 55% at 4% -4%,rgba(244,201,93,.10),transparent 58%),
    radial-gradient(85% 55% at 50% 110%,rgba(16,42,67,.95),transparent 74%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  color:var(--y97-mist);
  font-family:var(--y97-sans);
  font-size:1rem;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0}
img,svg{max-width:100%}
button{font:inherit;color:inherit}
:where(a,button,[tabindex],summary,input,select,textarea):focus-visible{
  outline:3px solid var(--y97-blue);
  outline-offset:3px;
  border-radius:8px;
}
::selection{background:var(--y97-yellow);color:#0b1a29}

/* ---------- 布局基础 ---------- */
.y97-container{
  width:100%;
  max-width:var(--y97-container);
  margin-inline:auto;
  padding-inline:clamp(1.1rem,4vw,2.5rem);
}
.y97-section{padding-block:clamp(2.4rem,6vw,5rem)}
.y97-grid{display:grid;gap:clamp(1rem,2.5vw,2rem)}
.y97-grid--5-7{grid-template-columns:5fr 7fr}
.y97-grid--4-8{grid-template-columns:4fr 8fr}
.y97-grid--3-9{grid-template-columns:3fr 9fr}
@media (max-width:900px){
  .y97-grid--5-7,.y97-grid--4-8,.y97-grid--3-9{grid-template-columns:1fr}
}

/* ---------- 跳转链接 ---------- */
.y97-skip{
  position:fixed;
  top:.6rem;
  left:.6rem;
  z-index:200;
  transform:translateY(-180%);
  background:var(--y97-yellow);
  color:#0b1a29;
  font-weight:800;
  font-size:.92rem;
  text-decoration:none;
  padding:.7rem 1.15rem;
  border-radius:var(--y97-pill);
  box-shadow:0 10px 26px rgba(0,0,0,.45);
  transition:transform 140ms var(--y97-ease);
}
.y97-skip:focus,
.y97-skip:focus-visible{transform:translateY(0)}

/* ---------- 头部命令栏 ---------- */
.y97-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(8,23,38,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(145,167,196,.22);
  transition:background var(--y97-dur) var(--y97-ease),box-shadow var(--y97-dur) var(--y97-ease);
}
.y97-header[data-stuck]{
  background:rgba(8,23,38,.97);
  box-shadow:0 14px 40px rgba(0,0,0,.42);
}
.y97-progress{
  position:absolute;
  inset:0 0 auto 0;
  height:3px;
  background:rgba(145,167,196,.16);
  overflow:hidden;
}
.y97-progress__bar{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--y97-blue) 0 20%,var(--y97-white) 20% 40%,var(--y97-red) 40% 60%,var(--y97-green) 60% 80%,var(--y97-yellow) 80% 100%);
  transition:width 90ms linear;
}
.y97-cmdbar{
  display:flex;
  align-items:center;
  gap:clamp(.6rem,1.6vw,1.4rem);
  min-height:78px;
  padding-block:.5rem;
}

/* 品牌 */
.y97-brand{
  display:inline-flex;
  align-items:center;
  gap:.7rem;
  flex:0 0 auto;
  padding:.25rem .15rem;
  text-decoration:none;
  color:var(--y97-white);
  border-radius:var(--y97-pill);
}
.y97-brand__mark{
  position:relative;
  display:block;
  width:34px;
  height:38px;
  border-radius:11px 11px 5px 5px;
  background:linear-gradient(180deg,#7d5940,#4a3425);
  box-shadow:inset 0 0 0 1.5px rgba(244,201,93,.5),0 4px 14px rgba(0,0,0,.35);
  flex:0 0 auto;
  transition:transform 240ms var(--y97-ease);
}
.y97-brand__mark::before{
  content:"";
  position:absolute;
  top:5px;
  bottom:5px;
  left:50%;
  width:1.5px;
  transform:translateX(-50%);
  background:rgba(244,201,93,.6);
}
.y97-brand__mark::after{
  content:"";
  position:absolute;
  top:50%;
  left:8px;
  width:3px;
  height:3px;
  margin-top:-1.5px;
  border-radius:50%;
  background:var(--y97-yellow);
  box-shadow:13px 0 0 var(--y97-yellow);
}
.y97-brand:hover .y97-brand__mark{transform:rotate(-4deg) scale(1.04)}
.y97-brand__mark--sm{width:26px;height:29px;border-radius:9px 9px 4px 4px}
.y97-brand__word{
  display:inline-flex;
  align-items:baseline;
  gap:.32rem;
  font-family:var(--y97-sans);
  font-weight:900;
  font-size:1.12rem;
  letter-spacing:.06em;
  line-height:1.1;
  white-space:nowrap;
}
.y97-brand__word-sub{
  font-family:var(--y97-mono);
  font-size:.6rem;
  font-weight:500;
  letter-spacing:.24em;
  color:var(--y97-line);
}
.y97-status{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  font-family:var(--y97-mono);
  font-size:.68rem;
  letter-spacing:.12em;
  color:var(--y97-yellow);
  border:1px solid rgba(244,201,93,.35);
  border-radius:var(--y97-pill);
  padding:.18rem .55rem;
  white-space:nowrap;
}
.y97-status__dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--y97-green);
  box-shadow:0 0 0 3px rgba(71,184,129,.18);
  animation:y97-breathe 2.6s var(--y97-ease) infinite;
}
@keyframes y97-breathe{
  0%,100%{box-shadow:0 0 0 2px rgba(71,184,129,.18)}
  50%{box-shadow:0 0 0 6px rgba(71,184,129,.04)}
}

/* 索引式导航 */
.y97-nav{flex:1 1 auto;display:flex;justify-content:center;min-width:0}
.y97-nav__list{
  display:flex;
  align-items:stretch;
  gap:clamp(.05rem,.5vw,.4rem);
  list-style:none;
  margin:0;
}
.y97-nav__item{display:flex}
.y97-nav__link{
  position:relative;
  display:inline-flex;
  flex-direction:column;
  gap:.14rem;
  padding:.5rem .62rem .68rem;
  border-radius:10px;
  text-decoration:none;
  color:var(--y97-line);
  font-size:.88rem;
  font-weight:600;
  line-height:1.2;
  white-space:nowrap;
  transition:color var(--y97-dur) var(--y97-ease),background var(--y97-dur) var(--y97-ease);
}
.y97-nav__index{
  font-family:var(--y97-mono);
  font-size:.6rem;
  letter-spacing:.16em;
  color:rgba(145,167,196,.72);
  transition:color var(--y97-dur) var(--y97-ease);
}
.y97-nav__link::after{
  content:"";
  position:absolute;
  left:.62rem;
  right:.62rem;
  bottom:.3rem;
  height:2px;
  border-radius:2px;
  background:var(--y97-yellow);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--y97-dur) var(--y97-ease);
}
.y97-nav__link:hover,
.y97-nav__link:focus-visible{
  color:var(--y97-white);
  background:rgba(145,167,196,.1);
}
.y97-nav__link:hover::after{transform:scaleX(.55)}
.y97-nav__link[aria-current="page"]{color:var(--y97-white)}
.y97-nav__link[aria-current="page"]::after{transform:scaleX(1);height:3px}
.y97-nav__link[aria-current="page"] .y97-nav__index{color:var(--y97-yellow)}

/* 右侧胶囊组 */
.y97-actions{display:flex;align-items:center;gap:.5rem;flex:0 0 auto}
.y97-pill{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  padding:.5rem 1rem;
  border:1px solid transparent;
  border-radius:var(--y97-pill);
  text-decoration:none;
  font-size:.82rem;
  font-weight:800;
  letter-spacing:.02em;
  white-space:nowrap;
  transition:background var(--y97-dur) var(--y97-ease),color var(--y97-dur) var(--y97-ease),
             border-color var(--y97-dur) var(--y97-ease),transform var(--y97-dur) var(--y97-ease);
}
.y97-pill::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:currentColor;
  opacity:.6;
  flex:0 0 auto;
}
.y97-pill--solid{background:var(--y97-yellow);color:#0b1a29;border-color:var(--y97-yellow)}
.y97-pill--solid:hover{background:#ffd977;transform:translateY(-1px)}
.y97-pill--ghost{background:transparent;color:var(--y97-mist);border-color:rgba(145,167,196,.45)}
.y97-pill--ghost:hover{color:var(--y97-yellow);border-color:var(--y97-yellow)}

/* 移动导航按钮 */
.y97-navtoggle{
  display:none;
  align-items:center;
  gap:.5rem;
  padding:.45rem .85rem;
  background:transparent;
  border:1px solid rgba(145,167,196,.45);
  border-radius:var(--y97-pill);
  color:var(--y97-mist);
  font-size:.82rem;
  font-weight:800;
  cursor:pointer;
  transition:border-color var(--y97-dur) var(--y97-ease),color var(--y97-dur) var(--y97-ease);
}
.y97-navtoggle:hover{border-color:var(--y97-yellow);color:var(--y97-yellow)}
.y97-navtoggle__bars{display:inline-flex;flex-direction:column;gap:3px;width:16px}
.y97-navtoggle__bars span{
  display:block;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform var(--y97-dur) var(--y97-ease),opacity var(--y97-dur) var(--y97-ease);
}
.y97-navtoggle__text{letter-spacing:.08em}
.y97-header[data-open] .y97-navtoggle{border-color:var(--y97-yellow);color:var(--y97-yellow)}
.y97-header[data-open] .y97-navtoggle__bars span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.y97-header[data-open] .y97-navtoggle__bars span:nth-child(2){opacity:0}
.y97-header[data-open] .y97-navtoggle__bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ---------- 页脚 ---------- */
.y97-footer{
  position:relative;
  z-index:1;
  margin-top:clamp(3rem,8vw,7rem);
  background:var(--y97-night-2);
  border-top:1px solid rgba(145,167,196,.2);
}
.y97-footer__ridge{
  height:4px;
  background:linear-gradient(90deg,
    var(--y97-blue) 0 20%,
    var(--y97-white) 20% 40%,
    var(--y97-red) 40% 60%,
    var(--y97-green) 60% 80%,
    var(--y97-yellow) 80% 100%);
  opacity:.85;
}
.y97-footer__grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.3fr 1fr;
  gap:clamp(1.5rem,3vw,3rem);
  padding-block:clamp(2.2rem,5vw,3.6rem);
}
.y97-footer__col{min-width:0}
.y97-footer__col--brand{display:flex;flex-direction:column;gap:.2rem}
.y97-footer__brand{
  display:inline-flex;
  align-items:center;
  gap:.6rem;
  text-decoration:none;
  color:var(--y97-white);
  width:fit-content;
  margin-bottom:.7rem;
}
.y97-footer__word{
  font-family:var(--y97-sans);
  font-weight:900;
  font-size:1.05rem;
  letter-spacing:.07em;
}
.y97-footer__line{
  font-family:var(--y97-mono);
  font-size:.76rem;
  letter-spacing:.16em;
  color:var(--y97-yellow);
  text-transform:uppercase;
}
.y97-footer__legend{
  list-style:none;
  margin:1rem 0 0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:.45rem .9rem;
  font-family:var(--y97-mono);
  font-size:.72rem;
  color:var(--y97-line);
}
.y97-footer__legend-item{display:inline-flex;align-items:center;gap:.35rem}
.y97-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--y97-line);flex:0 0 auto}
.y97-dot--green{background:var(--y97-green)}
.y97-dot--red{background:var(--y97-red)}
.y97-dot--yellow{background:var(--y97-yellow)}
.y97-footer__title{
  display:flex;
  align-items:center;
  gap:.5rem;
  margin:0 0 .9rem;
  font-family:var(--y97-sans);
  font-size:.78rem;
  font-weight:800;
  letter-spacing:.18em;
  color:var(--y97-yellow);
}
.y97-footer__coord{
  font-family:var(--y97-mono);
  font-size:.66rem;
  letter-spacing:.06em;
  color:rgba(244,201,93,.7);
  border:1px solid rgba(244,201,93,.3);
  border-radius:6px;
  padding:.02rem .3rem;
}
.y97-footer__list{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
.y97-footer__list a{
  color:var(--y97-mist);
  text-decoration:none;
  font-size:.92rem;
  border-bottom:1px solid transparent;
  transition:color var(--y97-dur) var(--y97-ease),border-color var(--y97-dur) var(--y97-ease);
}
.y97-footer__list a:hover,
.y97-footer__list a:focus-visible{color:var(--y97-yellow);border-bottom-color:var(--y97-yellow)}
.y97-footer__contact{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:.55rem;
}
.y97-footer__contact li{display:grid;grid-template-columns:auto 1fr;gap:.55rem;align-items:baseline}
.y97-footer__key{
  font-family:var(--y97-mono);
  font-size:.64rem;
  letter-spacing:.14em;
  color:var(--y97-line);
}
.y97-footer__val{
  font-family:var(--y97-mono);
  font-size:.82rem;
  color:var(--y97-mist);
  word-break:break-all;
  line-height:1.6;
}
.y97-footer__val--wide{font-family:var(--y97-sans);font-size:.86rem;word-break:normal}
.y97-footer__note{
  margin:.9rem 0 0;
  max-width:32ch;
  font-size:.8rem;
  line-height:1.7;
  color:rgba(145,167,196,.95);
}
.y97-footer__base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  border-top:1px solid rgba(145,167,196,.18);
  padding-block:1.1rem 1.5rem;
}
.y97-footer__sig{
  font-family:var(--y97-mono);
  font-size:.76rem;
  letter-spacing:.05em;
  color:var(--y97-line);
  margin:0;
}
.y97-footer__legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.7rem;
  list-style:none;
  margin:0;
  padding:0;
}

/* ---------- 通用按钮 ---------- */
.y97-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  min-height:44px;
  padding:.68rem 1.4rem;
  border:1px solid transparent;
  border-radius:var(--y97-pill);
  text-decoration:none;
  font-family:var(--y97-sans);
  font-weight:800;
  font-size:.94rem;
  line-height:1.3;
  cursor:pointer;
  transition:background var(--y97-dur) var(--y97-ease),color var(--y97-dur) var(--y97-ease),
             border-color var(--y97-dur) var(--y97-ease),transform var(--y97-dur) var(--y97-ease);
}
.y97-btn--primary{background:var(--y97-yellow);color:#0b1a29}
.y97-btn--primary:hover{background:#ffd977;transform:translateY(-1px)}
.y97-btn--ghost{background:transparent;color:var(--y97-mist);border-color:rgba(245,241,230,.4)}
.y97-btn--ghost:hover{color:var(--y97-yellow);border-color:var(--y97-yellow)}
.y97-btn--quiet{background:rgba(145,167,196,.14);color:var(--y97-mist)}
.y97-btn--quiet:hover{background:rgba(145,167,196,.24)}

/* ---------- 面包屑 ---------- */
.y97-crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.45rem;
  padding-block:1rem .2rem;
  font-family:var(--y97-mono);
  font-size:.74rem;
  letter-spacing:.06em;
  color:var(--y97-line);
}
.y97-crumbs a{color:var(--y97-line);text-decoration:none;transition:color var(--y97-dur) var(--y97-ease)}
.y97-crumbs a:hover,.y97-crumbs a:focus-visible{color:var(--y97-yellow)}
.y97-crumbs__sep{color:rgba(145,167,196,.5)}
.y97-crumbs [aria-current="page"]{color:var(--y97-mist)}

/* ---------- 排版 ---------- */
.y97-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  margin:0 0 .85rem;
  font-family:var(--y97-mono);
  font-size:.72rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--y97-yellow);
}
.y97-eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--y97-yellow)}
.y97-h1{
  font-family:var(--y97-serif);
  font-weight:700;
  font-size:clamp(2rem,4vw,4.5rem);
  line-height:1.12;
  letter-spacing:.01em;
  color:var(--y97-white);
  margin:0 0 1rem;
}
.y97-h2{
  font-family:var(--y97-serif);
  font-weight:700;
  font-size:clamp(1.4rem,2.2vw,2.2rem);
  line-height:1.28;
  color:var(--y97-white);
  margin:0 0 .7rem;
}
.y97-h3{
  font-family:var(--y97-sans);
  font-weight:800;
  font-size:1.05rem;
  line-height:1.5;
  color:var(--y97-white);
  margin:0 0 .4rem;
}
.y97-lead{
  max-width:38em;
  margin:0 0 1.2rem;
  font-size:clamp(1rem,1.25vw,1.12rem);
  line-height:1.8;
  color:rgba(245,241,230,.86);
}
.y97-prose{max-width:38em;font-size:1rem;line-height:1.85;color:rgba(245,241,230,.87)}
.y97-prose p{margin:0 0 1rem}
.y97-prose p:last-child{margin-bottom:0}
.y97-prose h2,.y97-prose h3{margin-top:1.8rem;margin-bottom:.6rem}
.y97-prose ul,.y97-prose ol{margin:0 0 1rem;padding-left:1.25rem}
.y97-prose li{margin-bottom:.35rem}
.y97-prose a{color:var(--y97-blue);text-decoration:underline;text-underline-offset:3px}
.y97-prose a:hover{color:var(--y97-yellow)}
.y97-measure{max-width:38em}
.y97-mono{font-family:var(--y97-mono);font-size:.86rem;letter-spacing:.02em}
.y97-num{
  font-family:var(--y97-mono);
  font-size:.9rem;
  font-variant-numeric:tabular-nums;
  text-align:right;
  color:var(--y97-white);
}

/* ---------- 分区容器与框景 ---------- */
.y97-frame{
  position:relative;
  border:1px solid rgba(145,167,196,.28);
  border-radius:var(--y97-radius);
  padding:clamp(1rem,3vw,2.4rem);
  background:linear-gradient(180deg,rgba(16,42,67,.55),rgba(8,23,38,.15));
}
.y97-frame__ticks{
  position:absolute;
  left:14px;
  right:14px;
  top:-5px;
  height:8px;
  pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(145,167,196,.5) 0 1px,transparent 1px 12px);
}
.y97-slab{
  background:rgba(16,42,67,.5);
  border-radius:var(--y97-radius);
  padding:clamp(1.1rem,3vw,2rem);
}
.y97-slab--light{background:var(--y97-mist);color:#122a42}
.y97-slab--light .y97-h2,
.y97-slab--light .y97-h3,
.y97-slab--light .y97-num{color:#0b1a29}
.y97-slab--light .y97-prose,
.y97-slab--light .y97-lead{color:#1c3350}
.y97-slab--light .y97-eyebrow{color:#8a5a12}
.y97-slab--light .y97-eyebrow::before{background:#8a5a12}
.y97-divider{
  height:1px;
  border:0;
  margin-block:clamp(1.8rem,4vw,3.2rem);
  background:linear-gradient(90deg,transparent,rgba(145,167,196,.45),transparent);
}

/* ---------- 图片容器基础（页面阶段放置占位或 <img class="y97-media__img">） ---------- */
.y97-media{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:16/10;
  border-radius:var(--y97-radius);
  border:1px solid rgba(145,167,196,.22);
  background:
    linear-gradient(140deg,#12314d 0%,#0a1d30 58%,#0d2740 100%);
}
.y97-media--wide{aspect-ratio:21/9}
.y97-media--tall{aspect-ratio:4/5}
.y97-media--square{aspect-ratio:1/1}
.y97-media__img{display:block;width:100%;height:100%;object-fit:cover}
.y97-media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(115deg,transparent 0 18px,rgba(91,141,239,.13) 18px 19px),
    radial-gradient(62% 48% at 72% 18%,rgba(244,201,93,.16),transparent 70%),
    radial-gradient(70% 45% at 18% 96%,rgba(71,184,129,.14),transparent 72%);
}
.y97-media__cap{
  position:absolute;
  left:.9rem;
  bottom:.9rem;
  z-index:2;
  padding:.2rem .62rem;
  border-radius:var(--y97-pill);
  border:1px solid rgba(145,167,196,.32);
  background:rgba(8,23,38,.72);
  font-family:var(--y97-mono);
  font-size:.7rem;
  letter-spacing:.1em;
  color:rgba(245,241,230,.92);
}

/* ---------- 状态与版本标签 ---------- */
.y97-tag{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  padding:.18rem .6rem;
  border-radius:var(--y97-pill);
  border:1px solid currentColor;
  font-family:var(--y97-mono);
  font-size:.7rem;
  letter-spacing:.1em;
  color:var(--y97-line);
  background:rgba(145,167,196,.08);
}
.y97-tag--old{color:#dfba9b;background:rgba(111,78,55,.35);border-color:rgba(111,78,55,.95)}
.y97-tag--new{color:var(--y97-yellow);background:rgba(244,201,93,.1);border-color:rgba(244,201,93,.45)}
.y97-tag--live{color:var(--y97-green);background:rgba(71,184,129,.1);border-color:rgba(71,184,129,.5)}
.y97-tag--warn{color:var(--y97-red);background:rgba(224,90,90,.1);border-color:rgba(224,90,90,.5)}

/* ---------- 标签页组件（data-tabs） ---------- */
.y97-tabs{display:block}
.y97-tabs__list{
  display:flex;
  flex-wrap:wrap;
  gap:.35rem;
  width:fit-content;
  max-width:100%;
  padding:.35rem;
  border:1px solid rgba(145,167,196,.22);
  border-radius:var(--y97-pill);
  background:rgba(16,42,67,.6);
}
.y97-tabs__tab{
  appearance:none;
  border:0;
  background:transparent;
  padding:.45rem 1rem;
  border-radius:var(--y97-pill);
  color:var(--y97-line);
  font-family:var(--y97-sans);
  font-weight:700;
  font-size:.86rem;
  cursor:pointer;
  transition:background var(--y97-dur) var(--y97-ease),color var(--y97-dur) var(--y97-ease);
}
.y97-tabs__tab:hover{color:var(--y97-white)}
.y97-tabs__tab[aria-selected="true"]{background:var(--y97-yellow);color:#0b1a29}
.y97-tabs__panel{padding-block:1.2rem}
.y97-tabs__panel[hidden]{display:none}

/* ---------- 手风琴组件（data-accordion） ---------- */
.y97-acc{display:grid;gap:.6rem}
.y97-acc__item{
  border:1px solid rgba(145,167,196,.22);
  border-radius:18px;
  background:rgba(16,42,67,.42);
  overflow:hidden;
}
.y97-acc__btn{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  width:100%;
  padding:1rem 1.1rem;
  border:0;
  background:transparent;
  color:var(--y97-mist);
  font-family:var(--y97-sans);
  font-weight:700;
  font-size:.98rem;
  text-align:left;
  cursor:pointer;
}
.y97-acc__btn::after{
  content:"";
  flex:0 0 auto;
  width:9px;
  height:9px;
  border-right:2px solid var(--y97-yellow);
  border-bottom:2px solid var(--y97-yellow);
  transform:rotate(45deg);
  transition:transform var(--y97-dur) var(--y97-ease);
}
.y97-acc__btn[aria-expanded="true"]::after{transform:rotate(-135deg)}
.y97-acc__panel{
  padding:0 1.1rem 1.1rem;
  font-size:.95rem;
  line-height:1.8;
  color:rgba(245,241,230,.82);
}
.y97-acc__panel[hidden]{display:none}

/* ---------- 进入视口显现 ---------- */
.y97-reveal,[data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity 420ms var(--y97-ease),transform 420ms var(--y97-ease);
}
.y97-reveal[data-visible],[data-reveal][data-visible]{opacity:1;transform:none}

/* ---------- 响应式：平板 ---------- */
@media (max-width:1080px){
  .y97-cmdbar{flex-wrap:wrap;min-height:70px}
  .y97-actions{margin-inline-start:auto}
  .y97-nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    display:none;
    flex-direction:column;
    justify-content:flex-start;
    padding:.7rem clamp(1.1rem,4vw,2.5rem) 1.2rem;
    background:rgba(10,28,47,.99);
    border-bottom:1px solid rgba(145,167,196,.28);
    box-shadow:0 26px 54px rgba(0,0,0,.55);
    max-height:calc(100vh - 78px);
    overflow-y:auto;
  }
  .y97-header[data-open] .y97-nav{display:flex}
  .y97-nav__list{flex-direction:column;align-items:stretch;gap:.15rem;width:100%}
  .y97-nav__item{display:block}
  .y97-nav__link{
    flex-direction:row;
    align-items:center;
    gap:.7rem;
    padding:.8rem .8rem .95rem;
    font-size:1rem;
    border-radius:12px;
    border-bottom:1px solid rgba(145,167,196,.14);
  }
  .y97-nav__link::after{left:.8rem;right:auto;width:2.2rem;bottom:.38rem}
  .y97-nav__link:hover::after{transform:scaleX(.7)}
  .y97-nav__link[aria-current="page"]{background:rgba(244,201,93,.08)}
  .y97-navtoggle{display:inline-flex}
  .y97-footer__grid{grid-template-columns:1fr 1fr;gap:2rem}
}

/* ---------- 响应式：手机 ---------- */
@media (max-width:640px){
  .y97-brand{gap:.55rem}
  .y97-brand__word{font-size:1rem}
  .y97-brand__word-sub{display:none}
  .y97-status{display:none}
  .y97-pill--ghost{display:none}
  .y97-navtoggle__text{display:none}
  .y97-navtoggle{padding:.5rem .7rem}
  .y97-footer__grid{grid-template-columns:1fr;gap:1.8rem}
  .y97-footer__base{flex-direction:column;align-items:flex-start}
  .y97-tabs__list{width:100%}
  .y97-tabs__tab{flex:1 1 auto;text-align:center}
}

/* ---------- 减少动态 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .y97-status__dot{animation:none;box-shadow:0 0 0 3px rgba(71,184,129,.18)}
  .y97-reveal,[data-reveal]{opacity:1;transform:none}
  .y97-pill--solid:hover,.y97-btn--primary:hover,.y97-brand:hover .y97-brand__mark{transform:none}
}