/*============================================================
  YABO中文官方站 / assets/site.css
  视觉语言：赛场数据档案 · 深空蓝 #0A1F44 × 荧光绿 #39FF14
============================================================*/
:root{
  --ybo-deep:#0A1F44;
  --ybo-deep-2:#071733;
  --ybo-neon:#39FF14;
  --ybo-mgray:#8A8F98;
  --ybo-orange:#FF6B35;
  --ybo-light:#F5F7FA;
  --ybo-text:#111827;
  --ybo-ondark:#E5E7EB;
  --ybo-yellow:#FFD700;
  --ybo-border-green:#2BBF4A;
  --ybo-overlay:rgba(10,31,68,.7);
  --ybo-font-head:'PingFang SC','Microsoft YaHei',sans-serif;
  --ybo-font-body:'PingFang SC','Microsoft YaHei',sans-serif;
  --ybo-font-mono:'Courier New',monospace;
  --ybo-container-w:1280px;
  --ybo-header-h:76px;
  --ybo-gap:clamp(18px,3vw,32px);
  --ybo-radius:18px;
  --ybo-radius-sm:10px;
  --ybo-shadow:0 10px 30px rgba(10,31,68,.08);
  --ybo-shadow-lg:0 18px 48px rgba(10,31,68,.14);
}

*,*::before,*::after{box-sizing:border-box;}
html{margin:0;padding:0;scroll-behavior:smooth;}
body{
  margin:0;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  background:var(--ybo-light);
  color:var(--ybo-text);
  font-family:var(--ybo-font-body);
  font-weight:300;
  font-size:1rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.ybo-nav-open{overflow:hidden;}
p,ul,ol,dl,blockquote,figure,h1,h2,h3,h4,h5,h6{margin:0;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;border:0;background:none;color:inherit;cursor:pointer;}
::selection{background:var(--ybo-neon);color:var(--ybo-deep);}
:focus{outline:none;}
:focus-visible{outline:3px solid var(--ybo-orange);outline-offset:3px;border-radius:4px;}

.ybo-container{width:min(100% - clamp(24px,5vw,64px),var(--ybo-container-w));margin-inline:auto;}
.ybo-main{flex:1;width:100%;}
#main-content{scroll-margin-top:calc(var(--ybo-header-h) + 12px);}
.ybo-mono{font-family:var(--ybo-font-mono);}

/* 分区与正文 */
.ybo-section{padding-block:clamp(48px,8vw,104px);}
.ybo-section--dark{background:linear-gradient(180deg,var(--ybo-deep) 0%,var(--ybo-deep-2) 100%);color:var(--ybo-ondark);}
.ybo-section--light{background:var(--ybo-light);}
.ybo-section--tint{background:linear-gradient(135deg,#F5F7FA 0%,#E8F5EA 100%);}
.ybo-lead{font-size:clamp(1.05rem,1.5vw,1.3rem);line-height:1.8;font-weight:300;max-width:62ch;color:inherit;opacity:.9;}
.ybo-rule{display:flex;align-items:center;gap:14px;margin:28px 0;color:var(--ybo-mgray);font-family:var(--ybo-font-mono);font-size:.8rem;letter-spacing:.1em;}
.ybo-rule::before,.ybo-rule::after{content:"";height:1px;flex:1;background:linear-gradient(90deg,rgba(139,143,152,0) 0%,rgba(139,143,152,.5) 100%);}
.ybo-rule::after{transform:scaleX(-1);}

/* 编号章节 */
.ybo-chapter{display:flex;align-items:flex-start;gap:18px;margin-bottom:30px;flex-wrap:wrap;}
.ybo-chapter__num{font-family:var(--ybo-font-mono);font-size:clamp(2.2rem,5vw,4.2rem);line-height:1;color:var(--ybo-deep);-webkit-text-stroke:1.5px var(--ybo-neon);min-width:.9em;font-weight:400;}
.ybo-section--dark .ybo-chapter__num{color:rgba(255,255,255,.16);-webkit-text-stroke:1px rgba(57,255,20,.85);}
.ybo-chapter__title{font-family:var(--ybo-font-head);font-weight:800;letter-spacing:-.02em;font-size:clamp(1.5rem,3vw,2.4rem);line-height:1.2;color:inherit;margin:0 0 6px;}
.ybo-chapter__desc{max-width:62ch;color:var(--ybo-mgray);font-size:.95rem;line-height:1.7;}
.ybo-section--dark .ybo-chapter__desc{color:rgba(229,231,235,.72);}

/* 按钮 */
.ybo-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:12px 24px;border-radius:999px;font-size:.95rem;font-weight:700;font-family:var(--ybo-font-body);border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;line-height:1;white-space:nowrap;}
.ybo-btn:hover{transform:translateY(-2px);}
.ybo-btn:active{transform:translateY(0);}
.ybo-btn--primary{background:var(--ybo-neon);color:var(--ybo-deep);box-shadow:0 8px 0 rgba(57,255,20,.16);}
.ybo-btn--primary:hover{box-shadow:0 12px 28px rgba(57,255,20,.3);}
.ybo-btn--ghost{border-color:rgba(57,255,20,.5);color:var(--ybo-neon);background:transparent;}
.ybo-btn--ghost:hover{background:rgba(57,255,20,.1);border-color:var(--ybo-neon);}
.ybo-btn--orange{background:var(--ybo-orange);color:#fff;box-shadow:0 8px 0 rgba(255,107,53,.22);}
.ybo-btn--orange:hover{box-shadow:0 12px 28px rgba(255,107,53,.35);}
.ybo-btn--small{min-height:38px;padding:8px 18px;font-size:.85rem;}

/* 标签 */
.ybo-tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-family:var(--ybo-font-mono);font-size:.72rem;letter-spacing:.08em;color:var(--ybo-deep);background:rgba(57,255,20,.9);line-height:1;}
.ybo-tag--orange{background:var(--ybo-orange);color:#fff;}
.ybo-tag--line{background:transparent;border:1px solid var(--ybo-neon);color:var(--ybo-neon);}
.ybo-tag--yellow{background:var(--ybo-yellow);color:var(--ybo-deep);}

/* 网格与卡片 */
.ybo-grid{display:grid;gap:var(--ybo-gap);}
.ybo-grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.ybo-grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.ybo-grid--cards{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;}
.ybo-card{position:relative;display:flex;flex-direction:column;padding:24px;background:#fff;border:1px solid rgba(139,143,152,.25);border-radius:var(--ybo-radius);box-shadow:var(--ybo-shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.ybo-card:hover{transform:translateY(-4px);box-shadow:var(--ybo-shadow-lg);border-color:rgba(57,255,20,.55);}
.ybo-card--dark{background:linear-gradient(150deg,var(--ybo-deep) 0%,#0D2450 100%);border-color:rgba(57,255,20,.25);color:var(--ybo-ondark);}
.ybo-card__index{position:absolute;top:20px;right:22px;font-family:var(--ybo-font-mono);font-size:.8rem;color:var(--ybo-mgray);letter-spacing:.05em;}
.ybo-card--dark .ybo-card__index{color:rgba(229,231,235,.45);}
.ybo-card__title{font-family:var(--ybo-font-head);font-weight:800;font-size:1.18rem;letter-spacing:-.01em;margin:0 0 10px;color:inherit;padding-right:34px;}
.ybo-card__text{font-size:.92rem;line-height:1.7;opacity:.78;margin:0 0 18px;}
.ybo-card__meta{margin-top:auto;display:flex;justify-content:space-between;align-items:center;font-family:var(--ybo-font-mono);font-size:.76rem;color:var(--ybo-orange);}
.ybo-card__meta span{color:var(--ybo-mgray);}

/* 面包屑 */
.ybo-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;min-height:48px;font-family:var(--ybo-font-mono);font-size:.82rem;color:var(--ybo-mgray);}
.ybo-breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0;}
.ybo-breadcrumb__link{color:var(--ybo-mgray);transition:color .2s ease;}
.ybo-breadcrumb__link:hover{color:var(--ybo-neon);}
.ybo-breadcrumb__sep{opacity:.5;pointer-events:none;}
.ybo-breadcrumb__current{color:var(--ybo-deep);font-weight:700;}

/* 筛选 */
.ybo-filterbar{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 34px;}
.ybo-filter{appearance:none;min-height:42px;padding:8px 18px;border:1px solid rgba(139,143,152,.5);border-radius:999px;background:transparent;color:var(--ybo-text);font-size:.88rem;font-weight:600;font-family:var(--ybo-font-body);transition:border-color .2s ease,color .2s ease,background .2s ease,box-shadow .2s ease;line-height:1.4;}
.ybo-filter:hover{border-color:var(--ybo-neon);color:var(--ybo-deep);}
.ybo-filter[aria-pressed="true"]{background:var(--ybo-deep);border-color:var(--ybo-deep);color:var(--ybo-neon);box-shadow:0 6px 0 rgba(57,255,20,.22);}
.ybo-filter-hidden{display:none !important;}
.ybo-section--dark .ybo-filter{color:var(--ybo-ondark);border-color:rgba(139,143,152,.55);}
.ybo-section--dark .ybo-filter:hover{border-color:var(--ybo-neon);color:var(--ybo-neon);}
.ybo-section--dark .ybo-filter[aria-pressed="true"]{background:var(--ybo-neon);color:var(--ybo-deep);border-color:var(--ybo-neon);box-shadow:0 6px 0 rgba(57,255,20,.25);}

/* 数据表格 */
.ybo-table{width:100%;border-collapse:collapse;font-size:.92rem;}
.ybo-table th{text-align:left;padding:12px 14px;border-bottom:2px solid var(--ybo-deep);font-family:var(--ybo-font-mono);font-size:.76rem;letter-spacing:.12em;color:var(--ybo-mgray);}
.ybo-table td{padding:14px;border-bottom:1px solid rgba(139,143,152,.2);line-height:1.6;}
.ybo-table tbody tr{transition:background .18s ease;}
.ybo-table tbody tr:hover{background:rgba(57,255,20,.08);}
.ybo-table--dark{color:var(--ybo-ondark);}
.ybo-table--dark th{border-bottom-color:var(--ybo-neon);color:rgba(229,231,235,.6);}
.ybo-table--dark td{border-bottom-color:rgba(139,143,152,.25);}
.ybo-table--dark tbody tr:hover{background:rgba(57,255,20,.1);}

/* 编号列表 */
.ybo-list--index{list-style:none;counter-reset:yboList;display:grid;gap:14px;margin:0;padding:0;}
.ybo-list--index li{counter-increment:yboList;position:relative;padding:14px 16px 14px 64px;border:1px solid rgba(139,143,152,.25);border-radius:12px;background:rgba(255,255,255,.7);line-height:1.6;}
.ybo-list--index li::before{content:"0" counter(yboList);position:absolute;left:20px;top:16px;font-family:var(--ybo-font-mono);font-size:.78rem;color:var(--ybo-deep);background:rgba(57,255,20,.35);border-radius:6px;padding:2px 6px;line-height:1.4;}
.ybo-section--dark .ybo-list--index li{background:rgba(255,255,255,.04);border-color:rgba(139,143,152,.3);color:var(--ybo-ondark);}
.ybo-section--dark .ybo-list--index li::before{color:var(--ybo-neon);background:rgba(57,255,20,.12);}

/* 图片容器基础 */
.ybo-image{position:relative;overflow:hidden;border-radius:var(--ybo-radius);background:linear-gradient(135deg,var(--ybo-deep) 0%,#13326F 100%);border:1px solid rgba(43,191,74,.45);}
.ybo-image::before{content:"";display:block;padding-top:56.25%;}
.ybo-image--portrait::before{padding-top:125%;}
.ybo-image--tall::before{padding-top:75%;}
.ybo-image__media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1;}
.ybo-image__overlay{position:absolute;inset:0;z-index:2;background:var(--ybo-overlay);}
.ybo-image__scan{position:absolute;inset:0;z-index:1;background:repeating-linear-gradient(180deg,rgba(57,255,20,.06) 0px,rgba(57,255,20,.06) 1px,transparent 1px,transparent 7px);pointer-events:none;}
.ybo-image__caption{position:absolute;left:16px;bottom:14px;z-index:3;margin:0;font-family:var(--ybo-font-mono);font-size:.76rem;color:var(--ybo-neon);background:rgba(10,31,68,.7);border:1px solid rgba(57,255,20,.35);padding:6px 10px;border-radius:8px;}

/* 全站头部 */
.ybo-header{position:sticky;top:0;z-index:1000;background:linear-gradient(180deg,var(--ybo-deep) 0%,#0B2052 100%);color:var(--ybo-ondark);box-shadow:none;transition:box-shadow .3s ease;isolation:isolate;}
.ybo-header.is-scrolled{box-shadow:0 10px 34px rgba(3,8,22,.5);}
.ybo-header__inner{display:flex;align-items:center;gap:14px;min-height:var(--ybo-header-h);position:relative;}
.ybo-header__progress{position:absolute;left:0;right:0;bottom:-1px;height:3px;background:rgba(139,143,152,.28);pointer-events:none;z-index:3;}
.ybo-header__progress span{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--ybo-neon) 0%,var(--ybo-orange) 80%);}

/* 品牌 */
.ybo-brand{display:inline-flex;align-items:center;gap:14px;margin:0;color:inherit;}
.ybo-brand__mark{font-family:var(--ybo-font-mono);font-weight:700;font-size:1.35rem;line-height:1;letter-spacing:.06em;color:var(--ybo-neon);background:rgba(57,255,20,.1);border:1px solid rgba(57,255,20,.4);padding:8px 10px;border-radius:12px 3px 12px 3px;transition:background .2s ease,transform .2s ease;}
a.ybo-brand:hover .ybo-brand__mark{background:rgba(57,255,20,.18);transform:translateY(-1px);}
.ybo-brand__text{display:flex;flex-direction:column;gap:2px;line-height:1.2;}
.ybo-brand__name{font-family:var(--ybo-font-head);font-weight:800;font-size:1.12rem;letter-spacing:.02em;color:#fff;}
.ybo-brand__tag{font-family:var(--ybo-font-mono);font-size:.66rem;letter-spacing:.14em;color:var(--ybo-mgray);}

/* 导航 */
.ybo-nav{margin-left:auto;display:flex;align-items:center;}
.ybo-nav__list{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0;counter-reset:nav;}
.ybo-nav__link{display:block;position:relative;counter-increment:nav;padding:10px 13px;font-size:.93rem;font-weight:600;letter-spacing:.01em;color:var(--ybo-ondark);border-radius:10px;transition:color .2s ease,background-color .2s ease;white-space:nowrap;}
.ybo-nav__link:hover{color:var(--ybo-neon);background:rgba(57,255,20,.08);}
.ybo-nav__link[aria-current="page"]{color:var(--ybo-neon);background:rgba(57,255,20,.12);}
.ybo-nav__link[aria-current="page"]::after{content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--ybo-neon),var(--ybo-orange));}
.ybo-nav__meta{display:none;margin:0;font-family:var(--ybo-font-mono);font-size:.72rem;letter-spacing:.1em;color:var(--ybo-mgray);}

/* 汉堡按钮 */
.ybo-nav-toggle{display:none;align-items:center;gap:10px;min-height:48px;padding:10px 14px;border-radius:12px;color:#fff;background:transparent;border:1px solid rgba(139,143,152,.35);font-size:.85rem;font-weight:600;transition:border-color .2s ease,background .2s ease;margin-left:auto;}
.ybo-nav-toggle:hover{border-color:var(--ybo-neon);background:rgba(57,255,20,.08);}
.ybo-nav-toggle__label{font-size:.85rem;font-weight:600;}
.ybo-nav-toggle__icon{position:relative;display:block;width:24px;height:14px;}
.ybo-nav-toggle__icon span{position:absolute;left:0;width:24px;height:2px;border-radius:2px;background:#fff;transition:transform .3s ease,opacity .3s ease,top .3s ease,background-color .3s ease;}
.ybo-nav-toggle__icon span:nth-child(1){top:0;}
.ybo-nav-toggle__icon span:nth-child(2){top:6px;}
.ybo-nav-toggle__icon span:nth-child(3){top:12px;}
.ybo-nav-toggle[aria-expanded="true"] .ybo-nav-toggle__icon span:nth-child(1){top:6px;transform:rotate(45deg);background:var(--ybo-neon);}
.ybo-nav-toggle[aria-expanded="true"] .ybo-nav-toggle__icon span:nth-child(2){opacity:0;}
.ybo-nav-toggle[aria-expanded="true"] .ybo-nav-toggle__icon span:nth-child(3){top:6px;transform:rotate(-45deg);background:var(--ybo-neon);}

/* 页脚 */
.ybo-footer{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--ybo-deep) 0%,#040B1E 100%);color:var(--ybo-ondark);padding:clamp(48px,7vw,88px) 0 26px;}
.ybo-footer__accent{position:absolute;inset:0;overflow:hidden;pointer-events:none;}
.ybo-footer__blob{position:absolute;display:block;width:min(60vw,520px);height:min(60vw,520px);border-radius:50%;filter:blur(10px);}
.ybo-footer__blob--one{top:-200px;right:-140px;background:radial-gradient(circle at 32% 32%,rgba(57,255,20,.16) 0%,rgba(57,255,20,0) 62%);}
.ybo-footer__blob--two{bottom:-240px;left:-160px;background:radial-gradient(circle at 30% 30%,rgba(255,107,53,.14) 0%,rgba(255,107,53,0) 62%);}
.ybo-footer__top{position:relative;z-index:1;display:grid;grid-template-columns:2.2fr 1fr 1.3fr;gap:clamp(28px,5vw,64px);}
.ybo-footer-brand{min-width:0;}
.ybo-brand--footer .ybo-brand__mark{font-size:2rem;padding:10px 12px;border-radius:16px 4px 16px 4px;}
.ybo-brand--footer .ybo-brand__name{font-size:1.4rem;}
.ybo-footer__desc{max-width:56ch;margin:18px 0 20px;font-size:.94rem;line-height:1.8;color:var(--ybo-mgray);}
.ybo-trust{border-left:4px solid var(--ybo-neon);background:rgba(57,255,20,.08);border-radius:0 14px 14px 0;padding:15px 18px;font-size:.9rem;line-height:1.7;color:var(--ybo-ondark);}
.ybo-trust__dot{display:inline-block;width:8px;height:8px;margin-right:8px;border-radius:50%;background:var(--ybo-neon);box-shadow:0 0 0 4px rgba(57,255,20,.18);vertical-align:1px;}
.ybo-footer__col{min-width:0;}
.ybo-footer__heading{display:flex;align-items:baseline;gap:10px;margin:0 0 18px;font-family:var(--ybo-font-head);font-weight:800;font-size:1rem;color:#fff;letter-spacing:.02em;}
.ybo-footer__index{font-family:var(--ybo-font-mono);font-size:.75rem;color:var(--ybo-orange);letter-spacing:.05em;}
.ybo-footer__links{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.ybo-footer__links a{position:relative;display:inline-block;padding-left:20px;color:var(--ybo-ondark);font-size:.93rem;transition:color .2s ease,padding-left .2s ease;}
.ybo-footer__links a::before{content:"›";position:absolute;left:2px;top:-1px;color:var(--ybo-neon);font-family:var(--ybo-font-mono);font-size:1.1rem;line-height:1.4;}
.ybo-footer__links a:hover{color:var(--ybo-neon);padding-left:26px;}
.ybo-footer__contact{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
.ybo-footer__contact li{background:rgba(255,255,255,.04);border:1px solid rgba(139,143,152,.25);border-radius:14px;padding:12px 15px;font-size:.9rem;word-break:break-all;line-height:1.6;}
.ybo-contact__label{display:block;margin-bottom:2px;font-family:var(--ybo-font-mono);font-size:.7rem;letter-spacing:.14em;color:var(--ybo-mgray);text-transform:uppercase;}
.ybo-footer__note{margin-top:16px;font-size:.84rem;line-height:1.7;color:var(--ybo-mgray);}
.ybo-footer__bottom{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px;margin-top:clamp(40px,6vw,68px);padding-top:20px;border-top:1px solid rgba(139,143,152,.28);font-family:var(--ybo-font-mono);font-size:.78rem;letter-spacing:.04em;color:var(--ybo-mgray);}
.ybo-footer__copy{margin:0;}
.ybo-footer__status{display:inline-flex;align-items:center;gap:8px;margin:0;color:var(--ybo-neon);}
.ybo-footer__status::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ybo-neon);box-shadow:0 0 0 4px rgba(57,255,20,.16);}
.ybo-footer__icp{margin:0;}

/* 滚动显现 */
@media (prefers-reduced-motion: no-preference){
  .has-js [data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease;will-change:opacity,transform;}
  .has-js [data-reveal].is-visible{opacity:1;transform:none;}
}

/* 响应式 */
@media (max-width:1100px){
  .ybo-nav__link{padding:10px 9px;font-size:.88rem;}
  .ybo-footer__top{grid-template-columns:1.8fr 1fr 1.2fr;}
}
@media (max-width:1024px){
  .ybo-grid--3{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:900px){
  :root{--ybo-header-h:64px;}
  .ybo-nav-toggle{display:inline-flex;}
  .ybo-nav{position:fixed;top:var(--ybo-header-h);left:0;right:0;bottom:0;z-index:999;display:flex;flex-direction:column;align-items:flex-end;justify-content:flex-start;padding:clamp(32px,7vh,56px) max(24px,6vw) 48px;margin:0;background:rgba(5,14,35,.97);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);opacity:0;visibility:hidden;transform:translateX(3vw);transition:opacity .3s ease,visibility .3s ease,transform .35s ease;}
  .ybo-nav[data-open]{opacity:1;visibility:visible;transform:none;}
  .ybo-nav__list{flex-direction:column;align-items:flex-end;gap:8px;}
  .ybo-nav__item{text-align:right;}
  .ybo-nav__link{font-size:1.35rem;font-weight:800;padding:10px 16px;}
  .ybo-nav__link::before{counter-increment:nav;content:"0" counter(nav) " / ";font-family:var(--ybo-font-mono);font-size:.82rem;font-weight:400;color:var(--ybo-neon);margin-right:10px;vertical-align:2px;}
  .ybo-nav__link[aria-current="page"]::after{left:16px;right:16px;bottom:6px;}
  .ybo-nav__meta{display:block;margin-top:24px;padding-right:16px;letter-spacing:.14em;}
}
@media (max-width:960px){
  .ybo-footer__top{grid-template-columns:1fr 1fr;}
  .ybo-footer-brand{grid-column:1 / -1;}
}
@media (max-width:640px){
  .ybo-grid--2,.ybo-grid--3{grid-template-columns:minmax(0,1fr);}
  .ybo-card{padding:20px;}
  .ybo-chapter{flex-direction:column;gap:6px;}
}
@media (max-width:600px){
  .ybo-breadcrumb{font-size:.75rem;}
  .ybo-footer__top{grid-template-columns:1fr;}
  .ybo-footer-brand{grid-column:auto;}
  .ybo-footer__bottom{flex-direction:column;align-items:flex-start;}
  .ybo-footer__contact li{word-break:break-word;}
}
@media (max-width:400px){
  .ybo-brand__tag{display:none;}
  .ybo-brand__mark{font-size:1.15rem;}
  .ybo-brand{gap:10px;}
}

/* 动效降级 */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;}
  .has-js [data-reveal]{opacity:1;transform:none;transition:none;}
  .ybo-header.is-scrolled{box-shadow:none;}
}