/* MANBET官网中文专区 · 共享样式 /assets/site.css */

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

/* ---------- 2. 变量 ---------- */
:root{
  --mnb-bg:#0B1B2B;
  --mnb-deep:#08131F;
  --mnb-panel:#0E3B43;
  --mnb-indigo:#312E81;
  --mnb-wine:#7F1D1D;
  --mnb-cyan:#22D3EE;
  --mnb-orange:#F97316;
  --mnb-yellow:#FACC15;
  --mnb-pale:#E6FAFC;
  --mnb-ink:#F8FAFC;
  --mnb-muted:#94A3B8;
  --mnb-line:#1E293B;
  --mnb-shell:1240px;
  --mnb-pad:clamp(16px,4vw,40px);
  --mnb-gap:clamp(16px,2.6vw,32px);
  --mnb-radius:4px;
  --mnb-ease:cubic-bezier(.2,.7,.3,1);
  --mnb-display:"Noto Sans SC Condensed","Archivo Narrow","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  --mnb-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --mnb-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}

/* ---------- 3. 基础排版 ---------- */
body{
  min-height:100vh;
  background-color:var(--mnb-bg);
  background-image:
    linear-gradient(to right,rgba(30,41,59,.5) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(30,41,59,.5) 1px,transparent 1px);
  background-size:48px 48px;
  color:var(--mnb-ink);
  font-family:var(--mnb-body);
  font-size:17px;
  line-height:1.75;
  overflow-x:hidden;
}
.mnb-shell{
  width:100%;
  max-width:var(--mnb-shell);
  margin-inline:auto;
  padding-inline:var(--mnb-pad);
}
.mnb-h1{font-family:var(--mnb-display);font-weight:900;font-size:clamp(30px,5vw,64px);line-height:1.06;letter-spacing:-.02em}
.mnb-h2{font-family:var(--mnb-display);font-weight:900;font-size:clamp(24px,3.4vw,40px);line-height:1.15;letter-spacing:-.01em}
.mnb-h3{font-family:var(--mnb-display);font-weight:700;font-size:clamp(19px,2.2vw,26px);line-height:1.3}
.mnb-lead{font-size:clamp(17px,1.35vw,19px);line-height:1.8;color:var(--mnb-muted);max-width:64ch}
.mnb-mono{
  font-family:var(--mnb-mono);
  font-size:13px;
  letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
  color:var(--mnb-muted);
}
.mnb-kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mnb-mono);font-size:12px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--mnb-cyan);margin-bottom:12px;
}
.mnb-kicker::before{content:"";width:24px;height:2px;background:currentColor;display:block;flex:none}
.mnb-section{padding:clamp(36px,6vw,80px) 0;border-top:1px solid var(--mnb-line)}
.mnb-section--flush{border-top:0;padding-top:clamp(20px,3vw,36px)}
.mnb-divider{height:1px;border:0;background:var(--mnb-line);margin:0}
.mnb-light{background:var(--mnb-pale);color:#0B1B2B}
.mnb-light .mnb-lead{color:#334155}
.mnb-light .mnb-mono{color:#0E7490}
.mnb-light .mnb-kicker{color:#0E7490}
.mnb-light .mnb-card{border-color:#BAE6FD;background:#F0FEFF}

/* ---------- 4. 顶部状态条 ---------- */
.mnb-header{position:relative;z-index:40}
.mnb-skip{
  position:fixed;top:10px;left:10px;z-index:99;
  transform:translateY(-240%);
  background:var(--mnb-cyan);color:#062028;
  padding:12px 18px;border-radius:2px;font-weight:700;
  transition:transform .18s var(--mnb-ease);
}
.mnb-skip:focus{transform:translateY(0)}
.mnb-topbar{background:var(--mnb-deep);border-bottom:1px solid var(--mnb-line)}
.mnb-topbar__inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:10px 20px;flex-wrap:wrap;min-height:44px;
}
.mnb-topbar__brand{display:inline-flex;align-items:center;gap:10px}
.mnb-topbar__brand .mnb-mono{color:var(--mnb-ink);letter-spacing:.1em}
.mnb-topbar__meta{display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap}
.mnb-lamp{
  width:8px;height:8px;flex:none;border-radius:50%;
  background:var(--mnb-cyan);box-shadow:0 0 0 3px rgba(34,211,238,.16);
  animation:mnb-breathe 2.6s ease-in-out infinite;
}
.mnb-lamp--ok{background:var(--mnb-cyan)}
.mnb-lamp--alert{background:var(--mnb-orange);box-shadow:0 0 0 3px rgba(249,115,22,.18)}
@keyframes mnb-breathe{0%,100%{opacity:1}50%{opacity:.32}}

/* ---------- 5. 报头 ---------- */
.mnb-masthead{border-bottom:1px solid var(--mnb-line);background:rgba(8,19,31,.5)}
.mnb-masthead__inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:end;
  gap:14px 20px;padding-block:clamp(16px,2.6vw,28px);
}
.mnb-masthead__issue{
  font-family:var(--mnb-mono);font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--mnb-muted);
}
.mnb-masthead__status{justify-self:end}
.mnb-brand{
  display:flex;flex-direction:column;align-items:center;gap:8px;
  font-family:var(--mnb-display);font-weight:900;
  font-size:clamp(28px,5.2vw,56px);line-height:1;letter-spacing:-.02em;
  color:var(--mnb-ink);text-align:center;
}
.mnb-brand__sub{
  font-family:var(--mnb-mono);font-size:11px;font-weight:500;
  letter-spacing:.4em;text-transform:uppercase;color:var(--mnb-cyan);
  padding-left:.4em;
}
.mnb-brand::after{
  content:"";display:block;width:52px;height:2px;
  background:var(--mnb-cyan);
}

/* ---------- 6. 吸顶栏目索引 ---------- */
.mnb-dock{
  position:sticky;top:0;z-index:50;
  background:rgba(11,27,43,.97);
  border-bottom:1px solid var(--mnb-line);
  box-shadow:0 10px 24px -20px rgba(0,0,0,.9);
}
.mnb-progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;overflow:hidden}
.mnb-progress__bar{
  display:block;height:100%;width:100%;
  background:linear-gradient(90deg,var(--mnb-cyan),var(--mnb-yellow));
  transform:scaleX(0);transform-origin:left center;
  transition:transform .12s linear;
}
.mnb-dock__inner{
  display:flex;align-items:center;gap:clamp(10px,1.8vw,22px);
  padding-block:8px;min-height:56px;
}
.mnb-dock__label{
  flex:none;padding-right:14px;border-right:1px solid var(--mnb-line);
  font-size:12px;letter-spacing:.24em;text-transform:uppercase;
}
.mnb-nav{flex:1 1 auto;min-width:0}
.mnb-nav__list{display:flex;align-items:center;justify-content:center;gap:clamp(2px,1vw,14px);flex-wrap:wrap}
.mnb-nav__link{
  display:inline-flex;align-items:center;min-height:44px;
  padding:6px 10px;
  font-size:15px;color:var(--mnb-muted);
  border-bottom:2px solid transparent;
  transition:color .18s var(--mnb-ease),border-color .18s var(--mnb-ease),background-color .18s var(--mnb-ease);
}
.mnb-nav__link:hover{color:var(--mnb-ink);border-bottom-color:rgba(34,211,238,.5)}
.mnb-nav__link[aria-current="page"]{
  color:var(--mnb-pale);border-bottom-color:var(--mnb-cyan);
  background:rgba(34,211,238,.08);
}
.mnb-dock__cta{flex:none}

/* ---------- 7. 按钮与标签 ---------- */
.mnb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 18px;border:1px solid transparent;
  border-radius:2px;font-size:15px;font-weight:700;letter-spacing:.02em;
  transition:background-color .18s var(--mnb-ease),color .18s var(--mnb-ease),border-color .18s var(--mnb-ease);
}
.mnb-btn--solid{background:var(--mnb-cyan);border-color:var(--mnb-cyan);color:#062028}
.mnb-btn--solid:hover{background:#67E8F9;border-color:#67E8F9}
.mnb-btn--ghost{background:rgba(34,211,238,.06);border-color:var(--mnb-line);color:var(--mnb-pale)}
.mnb-btn--ghost:hover{border-color:var(--mnb-cyan);color:var(--mnb-cyan)}
.mnb-btn--alert{background:rgba(249,115,22,.08);border-color:rgba(249,115,22,.5);color:var(--mnb-orange)}
.mnb-btn--alert:hover{background:rgba(249,115,22,.16)}
.mnb-tag{
  display:inline-flex;align-items:center;gap:6px;min-height:36px;
  padding:4px 10px;border:1px solid var(--mnb-line);border-radius:2px;
  font-family:var(--mnb-mono);font-size:12px;letter-spacing:.08em;
  color:var(--mnb-muted);white-space:nowrap;
}
.mnb-tag--ok{color:var(--mnb-cyan);border-color:rgba(34,211,238,.45);background:rgba(34,211,238,.08)}
.mnb-tag--alert{color:var(--mnb-orange);border-color:rgba(249,115,22,.5);background:rgba(249,115,22,.08)}
.mnb-tag--new{color:var(--mnb-yellow);border-color:rgba(250,204,21,.45);background:rgba(250,204,21,.08)}
a.mnb-tag:hover{border-color:currentColor}
.mnb-status{display:inline-flex;align-items:center;gap:8px;font-family:var(--mnb-mono);font-size:12px;letter-spacing:.08em;color:var(--mnb-muted)}
.mnb-status__dot{width:8px;height:8px;flex:none;border-radius:50%;background:var(--mnb-cyan)}
.mnb-status__dot--ok{background:var(--mnb-cyan)}
.mnb-status__dot--alert{background:var(--mnb-orange)}
.mnb-status__dot--new{background:var(--mnb-yellow)}

/* ---------- 8. 面包屑与网格 ---------- */
.mnb-crumbs{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding-block:18px;font-family:var(--mnb-mono);font-size:12px;
  letter-spacing:.06em;color:var(--mnb-muted);
}
.mnb-crumbs a{min-height:32px;display:inline-flex;align-items:center}
.mnb-crumbs a:hover{color:var(--mnb-cyan)}
.mnb-crumbs__sep{color:var(--mnb-line)}
.mnb-grid{display:grid;gap:var(--mnb-gap)}
.mnb-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.mnb-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.mnb-grid--split{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}

/* ---------- 9. 卡片与列表 ---------- */
.mnb-card{
  background:rgba(14,59,67,.42);
  border:1px solid var(--mnb-line);
  border-radius:var(--mnb-radius);
  padding:clamp(16px,2.4vw,26px);
}
.mnb-card--indigo{background:rgba(49,46,129,.34);border-color:rgba(99,102,241,.45)}
.mnb-card--wine{background:rgba(127,29,29,.28);border-color:rgba(248,113,113,.42)}
.mnb-card--pale{background:var(--mnb-pale);border-color:#BAE6FD;color:#0B1B2B}
.mnb-card__title{font-family:var(--mnb-display);font-weight:700;font-size:20px;line-height:1.3;margin-bottom:10px}
.mnb-list{display:grid;gap:10px}
.mnb-list__item{display:flex;gap:12px;align-items:flex-start;font-size:16px;line-height:1.7;color:var(--mnb-muted)}
.mnb-list__item::before{
  content:"";flex:none;width:8px;height:8px;margin-top:11px;
  background:var(--mnb-cyan);border-radius:1px;
}
.mnb-list--alert .mnb-list__item::before{background:var(--mnb-orange)}

/* ---------- 10. 标签页 ---------- */
.mnb-tabs{display:block}
.mnb-tabs__list{
  display:flex;flex-wrap:wrap;gap:6px;
  border-bottom:1px solid var(--mnb-line);
}
.mnb-tabs__tab{
  min-height:44px;padding:8px 16px;font-size:15px;
  color:var(--mnb-muted);background:transparent;
  border:1px solid transparent;border-bottom:2px solid transparent;
  transition:color .18s var(--mnb-ease),background-color .18s var(--mnb-ease),border-color .18s var(--mnb-ease);
}
.mnb-tabs__tab:hover{color:var(--mnb-pale)}
.mnb-tabs__tab[aria-selected="true"]{
  color:var(--mnb-pale);background:rgba(49,46,129,.42);
  border-color:var(--mnb-line);border-bottom-color:var(--mnb-cyan);
}
.mnb-tabs__panel{padding-top:clamp(16px,3vw,28px)}
.mnb-tabs__panel[hidden]{display:none}

/* ---------- 11. 图片容器 ---------- */
.mnb-media{
  position:relative;display:block;width:100%;
  background:var(--mnb-panel);
  border:1px solid var(--mnb-line);
  border-radius:var(--mnb-radius);
  overflow:hidden;
}
.mnb-media > img{width:100%;height:100%;object-fit:cover}
.mnb-media--16x9{aspect-ratio:16/9}
.mnb-media--4x3{aspect-ratio:4/3}
.mnb-media--1x1{aspect-ratio:1/1}
.mnb-media--21x9{aspect-ratio:21/9}
.mnb-media__caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:10px 12px;background:rgba(8,19,31,.86);
  border-top:1px solid var(--mnb-line);
  font-family:var(--mnb-mono);font-size:12px;letter-spacing:.06em;color:var(--mnb-muted);
}
.mnb-frame{border:1px solid var(--mnb-line);border-radius:8px;background:var(--mnb-deep);overflow:hidden}
.mnb-frame__bar{
  display:flex;align-items:center;gap:8px;
  padding:10px 14px;border-bottom:1px solid var(--mnb-line);
  background:rgba(14,59,67,.6);
}
.mnb-frame__dot{width:9px;height:9px;flex:none;border-radius:50%;background:var(--mnb-muted)}
.mnb-frame__dot--ok{background:var(--mnb-cyan)}
.mnb-frame__dot--alert{background:var(--mnb-orange)}
.mnb-frame__title{margin-left:auto;font-family:var(--mnb-mono);font-size:12px;letter-spacing:.08em;color:var(--mnb-muted)}
.mnb-frame__media{aspect-ratio:16/10;background:var(--mnb-panel)}
.mnb-frame__media img{width:100%;height:100%;object-fit:cover}
.mnb-frame--tall .mnb-frame__media{aspect-ratio:3/4}

/* ---------- 12. 页脚 ---------- */
.mnb-footer{
  position:relative;
  margin-top:clamp(40px,7vw,96px);
  background:var(--mnb-deep);
  border-top:1px solid var(--mnb-line);
}
.mnb-footer__top{padding-top:clamp(28px,4.5vw,52px)}
.mnb-feedback{
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:var(--mnb-gap);
  padding:clamp(18px,2.6vw,30px);
  background:rgba(49,46,129,.26);
  border:1px solid var(--mnb-line);
  border-left:3px solid var(--mnb-yellow);
  border-radius:var(--mnb-radius);
}
.mnb-feedback__title{
  font-family:var(--mnb-display);font-weight:900;
  font-size:clamp(22px,2.6vw,32px);line-height:1.15;letter-spacing:-.01em;
  margin-bottom:10px;
}
.mnb-feedback__text{font-size:16px;line-height:1.75;color:var(--mnb-muted);max-width:52ch}
.mnb-feedback__side{display:flex;flex-direction:column;gap:18px;align-items:flex-start}
.mnb-feedback__list{display:grid;gap:8px}
.mnb-feedback__list li{display:flex;gap:12px;align-items:baseline;font-size:15px;line-height:1.65;color:var(--mnb-muted)}
.mnb-feedback__list .mnb-mono{flex:none;min-width:5.6em;color:var(--mnb-orange)}
.mnb-footer__grid{
  display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.2fr;
  gap:var(--mnb-gap);
  padding:clamp(28px,5vw,48px) 0;
  border-bottom:1px solid var(--mnb-line);
}
.mnb-footer__col{min-width:0}
.mnb-footer__title{
  margin-bottom:14px;font-family:var(--mnb-mono);font-size:12px;
  letter-spacing:.22em;text-transform:uppercase;color:var(--mnb-muted);
}
.mnb-footer__brand{
  font-family:var(--mnb-display);font-weight:900;font-size:22px;
  letter-spacing:-.01em;color:var(--mnb-ink);margin-bottom:10px;
}
.mnb-footer__summary{font-size:15px;line-height:1.75;color:var(--mnb-muted);max-width:34ch;margin-bottom:14px}
.mnb-footer__links{display:grid;gap:2px}
.mnb-footer__link{
  display:inline-flex;align-items:center;min-height:44px;
  font-size:15px;color:var(--mnb-pale);
  border-left:2px solid transparent;padding-left:10px;margin-left:-10px;
  transition:color .18s var(--mnb-ease),border-color .18s var(--mnb-ease);
}
.mnb-footer__link:hover{color:var(--mnb-cyan);border-left-color:var(--mnb-cyan)}
.mnb-footer__addr{font-size:15px;line-height:1.8;color:var(--mnb-muted)}
.mnb-footer__addr p{overflow-wrap:anywhere}
.mnb-footer__note{font-size:14px;line-height:1.75;color:var(--mnb-muted)}
.mnb-footer__bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 24px;padding:18px 0 30px;
  font-family:var(--mnb-mono);font-size:12px;letter-spacing:.06em;color:var(--mnb-muted);
}
.mnb-footer__copy,.mnb-footer__icp{color:var(--mnb-muted)}
.mnb-legal{display:flex;flex-wrap:wrap;gap:6px 20px}
.mnb-legal__link{
  display:inline-flex;align-items:center;min-height:36px;
  color:var(--mnb-pale);
  transition:color .18s var(--mnb-ease);
}
.mnb-legal__link:hover{color:var(--mnb-cyan);text-decoration:underline;text-underline-offset:4px}
.mnb-top{
  position:fixed;right:20px;bottom:20px;z-index:60;
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:10px 16px;
  background:var(--mnb-bg);border:1px solid var(--mnb-cyan);color:var(--mnb-cyan);
  border-radius:2px;font-size:14px;font-weight:700;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .18s var(--mnb-ease),visibility .18s var(--mnb-ease);
}
.mnb-top[data-visible]{opacity:1;visibility:visible;pointer-events:auto}
.mnb-top:hover{background:var(--mnb-cyan);color:#062028}

/* ---------- 13. 显现 ---------- */
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .24s ease-out,transform .24s ease-out}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- 14. 焦点可见 ---------- */
:focus-visible{outline:2px solid var(--mnb-cyan);outline-offset:3px}
.mnb-light :focus-visible{outline-color:#0E7490}
.mnb-feedback :focus-visible{outline-color:var(--mnb-yellow)}

/* ---------- 15. 移动导航 ---------- */
.mnb-navtoggle{
  display:none;align-items:center;gap:10px;
  min-height:44px;padding:8px 14px;
  border:1px solid var(--mnb-line);border-radius:2px;
  color:var(--mnb-pale);font-size:14px;font-weight:700;
}
.mnb-navtoggle__bars{display:block;width:16px;height:2px;background:currentColor;position:relative;flex:none}
.mnb-navtoggle__bars::before,
.mnb-navtoggle__bars::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;
  transition:transform .18s var(--mnb-ease);
}
.mnb-navtoggle__bars::before{top:-5px}
.mnb-navtoggle__bars::after{top:5px}
.mnb-navtoggle[aria-expanded="true"]{border-color:var(--mnb-cyan);color:var(--mnb-cyan)}
.mnb-navtoggle[aria-expanded="true"] .mnb-navtoggle__bars{background:transparent}
.mnb-navtoggle[aria-expanded="true"] .mnb-navtoggle__bars::before{transform:translateY(5px) rotate(45deg)}
.mnb-navtoggle[aria-expanded="true"] .mnb-navtoggle__bars::after{transform:translateY(-5px) rotate(-45deg)}

/* ---------- 16. 响应式 ---------- */
@media (max-width:1100px){
  .mnb-footer__grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media (max-width:960px){
  .mnb-masthead__inner{grid-template-columns:1fr;justify-items:center;text-align:center;gap:10px}
  .mnb-masthead__status{justify-self:center}
  .mnb-dock__inner{flex-wrap:wrap;row-gap:6px}
  .mnb-dock__label{display:none}
  .mnb-nav{
    order:5;flex:1 0 100%;display:none;
    border-top:1px solid var(--mnb-line);
    padding-block:8px 12px;
    max-height:min(70vh,420px);overflow-y:auto;
  }
  .mnb-dock[data-open] .mnb-nav{display:block}
  .mnb-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .mnb-nav__link{
    width:100%;justify-content:flex-start;
    border-bottom:1px solid var(--mnb-line);
    border-left:2px solid transparent;
    padding-inline:12px;
  }
  .mnb-nav__link[aria-current="page"]{
    border-bottom-color:var(--mnb-line);
    border-left-color:var(--mnb-cyan);
    background:rgba(49,46,129,.36);
  }
  .mnb-navtoggle{display:inline-flex;order:2;margin-left:auto}
  .mnb-dock__cta{order:3}
  .mnb-feedback{grid-template-columns:minmax(0,1fr)}
  .mnb-footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:700px){
  body{font-size:16px;background-size:36px 36px}
  .mnb-tag{min-height:44px}
  .mnb-grid--2,.mnb-grid--3,.mnb-grid--split{grid-template-columns:minmax(0,1fr)}
  .mnb-footer__grid{grid-template-columns:minmax(0,1fr)}
  .mnb-footer__bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .mnb-top{right:12px;bottom:12px}
}
@media (max-width:420px){
  .mnb-dock__cta{padding-inline:12px;font-size:14px}
  .mnb-navtoggle__text{display:none}
}

/* ---------- 17. 减少动效 ---------- */
@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}
  .mnb-lamp{animation:none}
  .mnb-progress__bar{transition:none}
}