/* =========================================================
   必胜28PC · /assets/site.css
   共享外壳：reset / 变量 / 中文排版 / 头部 / 页脚 / 通用组件
   ========================================================= */

:root{
  --w28-deep:#081A2B;
  --w28-panel:#102A44;
  --w28-line:#1E4266;
  --w28-orange:#FF6B35;
  --w28-cyan:#2CE8E0;
  --w28-ice:#8BB8D9;
  --w28-amber:#F2A65A;
  --w28-paper:#F5F1E8;
  --w28-gray:#6B7B8C;
  --w28-gold:#D4AF37;

  --w28-font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC",system-ui,sans-serif;
  --w28-font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC",system-ui,sans-serif;
  --w28-font-mono:"JetBrains Mono","IBM Plex Mono","SFMono-Regular",Consolas,monospace;

  --w28-shell:1240px;
  --w28-gutter:clamp(1.1rem,4vw,2.6rem);
  --w28-radius:12px;
  --w28-radius-lg:22px;
  --w28-pill:999px;
  --w28-ease:cubic-bezier(.22,.61,.36,1);
  --w28-rhythm:clamp(3.6rem,8vw,7rem);
  --w28-line-soft:rgba(30,66,102,.55);
}

*,*::before,*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}

body{
  margin:0;
  min-height:100vh;
  color:var(--w28-paper);
  font-family:var(--w28-font-body);
  font-size:16px;
  line-height:1.7;
  letter-spacing:.01em;
  background-color:var(--w28-deep);
  background-image:
    linear-gradient(rgba(30,66,102,.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,66,102,.13) 1px, transparent 1px),
    radial-gradient(120% 68% at 88% -12%, rgba(44,232,224,.10), transparent 62%),
    radial-gradient(96% 58% at -6% 2%, rgba(255,107,53,.07), transparent 58%);
  background-size:28px 28px, 28px 28px, 100% 100%, 100% 100%;
  background-attachment:fixed, fixed, fixed, fixed;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0}
img,svg,video{display:block;max-width:100%}
img{height:auto}

a{color:var(--w28-ice)}
a:hover{color:var(--w28-cyan)}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible,
summary:focus-visible{
  outline:2px solid var(--w28-cyan);
  outline-offset:3px;
  border-radius:3px;
}

::selection{background:rgba(44,232,224,.3);color:#03161b}

.w28-mono{font-family:var(--w28-font-mono);letter-spacing:.06em}

/* ---------- 跳转链接 ---------- */
.w28-skip{
  position:absolute;
  left:var(--w28-gutter);
  top:.6rem;
  z-index:200;
  padding:.62rem 1.05rem;
  border-radius:0 0 10px 10px;
  background:var(--w28-cyan);
  color:#04191d;
  font-family:var(--w28-font-mono);
  font-size:.78rem;
  letter-spacing:.08em;
  text-decoration:none;
  transform:translateY(-220%);
  transition:transform .22s var(--w28-ease);
}
.w28-skip:focus,
.w28-skip:focus-visible{transform:translateY(0);color:#04191d}

/* =========================================================
   头部：双浮岛胶囊 + 底部进度尺
   ========================================================= */
.w28-header{
  position:sticky;
  top:0;
  z-index:90;
  padding:.75rem 0 .95rem;
  transition:padding .3s var(--w28-ease);
}
.w28-header::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:linear-gradient(180deg, rgba(8,26,43,.94) 34%, rgba(8,26,43,.55) 72%, rgba(8,26,43,0));
}
.w28-header[data-scrolled]{padding:.5rem 0 .7rem}

.w28-header__rail{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:.7rem;
  width:min(var(--w28-shell), calc(100% - var(--w28-gutter) * 2));
  margin-inline:auto;
}

/* 品牌胶囊 */
.w28-brand{
  display:inline-flex;
  align-items:center;
  gap:.62rem;
  min-width:0;
  padding:.5rem .95rem .5rem .62rem;
  border:1px solid var(--w28-line);
  border-radius:var(--w28-pill);
  background:rgba(16,42,68,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:0 20px 44px -34px rgba(0,0,0,.95), inset 0 1px 0 rgba(245,241,232,.06);
  color:var(--w28-paper);
  text-decoration:none;
  transition:border-color .25s var(--w28-ease), background-color .25s var(--w28-ease);
}
.w28-brand:hover{border-color:rgba(44,232,224,.55);color:var(--w28-paper)}

.w28-brand__mark{
  position:relative;
  flex:none;
  width:34px;
  height:34px;
  border:1px solid var(--w28-line);
  border-radius:6px;
  background-color:rgba(8,26,43,.7);
  background-image:
    repeating-linear-gradient(90deg, rgba(139,184,217,.5) 0 1px, transparent 1px 8px),
    repeating-linear-gradient(0deg, rgba(139,184,217,.5) 0 1px, transparent 1px 6px);
}
.w28-brand__mark::after{
  content:"";
  position:absolute;
  right:3px;
  bottom:3px;
  width:6px;
  height:6px;
  background:var(--w28-cyan);
  box-shadow:0 0 0 2px rgba(44,232,224,.18);
}

.w28-brand__text{display:grid;gap:1px;min-width:0}
.w28-brand__name{
  font-family:var(--w28-font-display);
  font-weight:800;
  font-size:1rem;
  letter-spacing:.01em;
  line-height:1.15;
  white-space:nowrap;
}
.w28-brand__sub{
  font-family:var(--w28-font-mono);
  font-size:.62rem;
  letter-spacing:.12em;
  color:var(--w28-gray);
  white-space:nowrap;
}

/* 移动导航按钮 */
.w28-navtoggle{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:none;
  width:46px;
  height:46px;
  padding:0;
  border:1px solid var(--w28-line);
  border-radius:var(--w28-pill);
  background:rgba(16,42,68,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  color:var(--w28-paper);
  cursor:pointer;
  transition:border-color .25s var(--w28-ease), color .25s var(--w28-ease);
}
.w28-navtoggle:hover{border-color:rgba(44,232,224,.6);color:var(--w28-cyan)}
.w28-navtoggle__box{display:grid;gap:4px;width:18px}
.w28-navtoggle__bar{
  display:block;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .26s var(--w28-ease), opacity .2s linear;
}
.w28-header[data-open] .w28-navtoggle__bar:nth-child(1){transform:translateY(6px) rotate(45deg)}
.w28-header[data-open] .w28-navtoggle__bar:nth-child(2){opacity:0}
.w28-header[data-open] .w28-navtoggle__bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 导航胶囊（移动：下拉面板） */
.w28-nav{
  position:absolute;
  top:calc(100% + .6rem);
  left:0;
  right:0;
  z-index:80;
  display:grid;
  gap:.3rem;
  max-height:min(72vh, 520px);
  overflow-y:auto;
  padding:.75rem;
  border:1px solid var(--w28-line);
  border-radius:var(--w28-radius-lg);
  background:rgba(13,36,58,.97);
  -webkit-backdrop-filter:blur(20px);
  backdrop-filter:blur(20px);
  box-shadow:0 34px 70px -40px rgba(0,0,0,.98);
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  transition:opacity .24s var(--w28-ease), transform .24s var(--w28-ease), visibility .24s linear;
}
.w28-header[data-open] .w28-nav{opacity:1;visibility:visible;transform:translateY(0)}

.w28-nav__list{list-style:none;margin:0;padding:0;display:grid;gap:.15rem}
.w28-nav__list a{
  display:block;
  padding:.62rem .8rem;
  border-radius:14px;
  color:#c3d4e3;
  font-size:.95rem;
  font-weight:500;
  text-decoration:none;
  transition:background-color .2s var(--w28-ease), color .2s var(--w28-ease);
}
.w28-nav__list a:hover{background:rgba(44,232,224,.08);color:var(--w28-paper)}
.w28-nav__list a[aria-current="page"]{
  background:var(--w28-cyan);
  color:#04191d;
  font-weight:700;
  box-shadow:0 12px 28px -18px rgba(44,232,224,.95);
}

.w28-nav__cta{
  display:flex;
  align-items:center;
  justify-content:center;
  margin-top:.3rem;
  padding:.66rem 1rem;
  border-radius:14px;
  background:var(--w28-orange);
  color:#1a0802;
  font-size:.9rem;
  font-weight:700;
  letter-spacing:.02em;
  text-decoration:none;
  white-space:nowrap;
  transition:background-color .2s var(--w28-ease), transform .2s var(--w28-ease);
}
.w28-nav__cta:hover{background:#ff8155;color:#1a0802;transform:translateY(-1px)}

/* 滚动进度尺 */
.w28-meter{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  background:var(--w28-line-soft);
  overflow:hidden;
  pointer-events:none;
}
.w28-meter__fill{
  display:block;
  width:100%;
  height:100%;
  transform:scaleX(0);
  transform-origin:left center;
  background:linear-gradient(90deg, var(--w28-cyan), var(--w28-orange));
  transition:transform .1s linear;
}

/* 桌面 / 平板：双浮岛并排 */
@media (min-width:1080px){
  .w28-header{padding:1rem 0 1.2rem}
  .w28-header[data-scrolled]{padding:.62rem 0 .8rem}
  .w28-navtoggle{display:none}

  .w28-nav{
    position:static;
    display:flex;
    align-items:center;
    gap:.4rem;
    max-height:none;
    overflow:visible;
    margin-left:auto;
    padding:.34rem .4rem;
    border-radius:var(--w28-pill);
    background:rgba(16,42,68,.72);
    opacity:1;
    visibility:visible;
    transform:none;
  }
  .w28-nav__list{display:flex;align-items:center;gap:.1rem}
  .w28-nav__list a{
    padding:.5rem .74rem;
    border-radius:var(--w28-pill);
    font-size:.875rem;
    white-space:nowrap;
  }
  .w28-nav__list a[aria-current="page"]{box-shadow:0 10px 24px -16px rgba(44,232,224,.9)}
  .w28-nav__cta{
    margin-top:0;
    margin-left:.35rem;
    padding:.5rem .95rem;
    border-radius:var(--w28-pill);
    font-size:.85rem;
  }
}

@media (min-width:1180px){
  .w28-nav__list a{padding:.52rem .84rem;font-size:.9rem}
}

/* =========================================================
   页脚：刻度尺 + 四栏档案 + 底栏
   ========================================================= */
.w28-footer{
  position:relative;
  margin-top:clamp(3rem,7vw,6rem);
  border-top:1px solid var(--w28-line);
  background:linear-gradient(180deg, rgba(16,42,68,.5), rgba(8,26,43,1) 46%);
}

.w28-footer__ruler{
  height:16px;
  border-bottom:1px solid var(--w28-line-soft);
  background-image:repeating-linear-gradient(90deg, var(--w28-line) 0 1px, transparent 1px 28px);
  background-position:0 0;
  background-repeat:repeat-x;
}

.w28-footer__inner{
  width:min(var(--w28-shell), calc(100% - var(--w28-gutter) * 2));
  margin-inline:auto;
  padding-block:clamp(2.4rem,5vw,3.8rem);
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(1.7rem,4vw,3rem);
}

.w28-footer__brand{display:grid;gap:1rem;align-content:start}

.w28-brand--footer{
  justify-self:start;
  padding:.2rem 0;
  border-color:transparent;
  background:transparent;
  -webkit-backdrop-filter:none;
  backdrop-filter:none;
  box-shadow:none;
}
.w28-brand--footer:hover{border-color:transparent}

.w28-footer__lede{
  max-width:34ch;
  color:#b9cnd e;
  color:#b9cbdc;
  font-size:.95rem;
  line-height:1.75;
}

.w28-footer__fact{
  display:grid;
  gap:.1rem;
  font-size:.92rem;
  color:#c8d8e6;
}
.w28-footer__factKey{
  font-family:var(--w28-font-mono);
  font-size:.66rem;
  letter-spacing:.18em;
  color:var(--w28-gray);
}
.w28-footer__factVal{line-height:1.6}

.w28-footer__col{display:grid;gap:.9rem;align-content:start}
.w28-footer__title{
  margin:0;
  font-family:var(--w28-font-mono);
  font-size:.7rem;
  font-weight:500;
  letter-spacing:.2em;
  color:var(--w28-ice);
}
.w28-footer__list{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
.w28-footer__list a{
  color:#b8cadb;
  font-size:.92rem;
  text-decoration:none;
  transition:color .2s var(--w28-ease), padding-left .2s var(--w28-ease);
}
.w28-footer__list a:hover{color:var(--w28-cyan);padding-left:.28rem}

.w28-footer__base{
  width:min(var(--w28-shell), calc(100% - var(--w28-gutter) * 2));
  margin-inline:auto;
  padding-block:1.15rem 1.5rem;
  border-top:1px solid var(--w28-line-soft);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:.5rem 1.4rem;
  font-family:var(--w28-font-mono);
  font-size:.72rem;
  letter-spacing:.06em;
  color:var(--w28-gray);
}
.w28-footer__copy,.w28-footer__icp{margin:0}
.w28-footer__icp{color:var(--w28-ice)}

@media (min-width:700px){
  .w28-footer__inner{grid-template-columns:repeat(2, minmax(0,1fr))}
  .w28-footer__brand{grid-column:1 / -1}
}
@media (min-width:1040px){
  .w28-footer__inner{grid-template-columns:minmax(0,1.7fr) repeat(3, minmax(0,1fr))}
  .w28-footer__brand{grid-column:auto}
}

/* 返回顶部 */
.w28-totop{
  position:fixed;
  right:clamp(.8rem,3vw,1.6rem);
  bottom:clamp(.8rem,3vw,1.6rem);
  z-index:95;
  display:grid;
  place-items:center;
  width:46px;
  height:46px;
  padding:0;
  border:1px solid var(--w28-line);
  border-radius:50%;
  background:rgba(16,42,68,.94);
  color:var(--w28-ice);
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .26s var(--w28-ease), transform .26s var(--w28-ease), visibility .26s linear, border-color .2s, color .2s;
}
.w28-totop[data-visible]{opacity:1;visibility:visible;transform:translateY(0)}
.w28-totop:hover{border-color:var(--w28-cyan);color:var(--w28-cyan)}
.w28-totop__glyph{font-family:var(--w28-font-mono);font-size:.95rem;line-height:1}

/* =========================================================
   内容骨架
   ========================================================= */
.w28-main{display:block}
#main-content{scroll-margin-top:7rem}

.w28-container{
  width:min(var(--w28-shell), calc(100% - var(--w28-gutter) * 2));
  margin-inline:auto;
}

.w28-section{padding-block:var(--w28-rhythm)}
.w28-section--tight{padding-block:clamp(2rem,5vw,3.4rem)}

.w28-grid{display:grid;gap:clamp(1rem,2.4vw,1.7rem);grid-template-columns:1fr}
@media (min-width:680px){
  .w28-grid--2{grid-template-columns:repeat(2, minmax(0,1fr))}
}
@media (min-width:900px){
  .w28-grid--3{grid-template-columns:repeat(3, minmax(0,1fr))}
  .w28-grid--split{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
  .w28-grid--split-rev{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
}
@media (min-width:1120px){
  .w28-grid--4{grid-template-columns:repeat(4, minmax(0,1fr))}
}

.w28-stack{display:flex;flex-direction:column;gap:clamp(.9rem,2vw,1.4rem)}

.w28-hr{
  height:1px;
  border:0;
  margin:0;
  background:linear-gradient(90deg, var(--w28-line), rgba(30,66,102,0));
}

/* =========================================================
   排版
   ========================================================= */
.w28-display{
  margin:0;
  font-family:var(--w28-font-display);
  font-weight:800;
  font-size:clamp(2.2rem,7vw,4.4rem);
  line-height:1.04;
  letter-spacing:-.02em;
}
.w28-h2{
  margin:0;
  font-family:var(--w28-font-display);
  font-weight:700;
  font-size:clamp(1.5rem,3.6vw,2.35rem);
  line-height:1.18;
  letter-spacing:-.01em;
}
.w28-h3{
  margin:0;
  font-family:var(--w28-font-display);
  font-weight:600;
  font-size:clamp(1.1rem,2vw,1.4rem);
  line-height:1.3;
}
.w28-lede{
  margin:0;
  max-width:60ch;
  font-size:clamp(1rem,1.5vw,1.12rem);
  line-height:1.85;
  color:#c6d7e5;
}
.w28-kicker{
  display:inline-block;
  margin:0;
  font-family:var(--w28-font-mono);
  font-size:.74rem;
  letter-spacing:.22em;
  color:var(--w28-cyan);
  text-transform:uppercase;
}
.w28-note{
  margin:0;
  writing-mode:vertical-rl;
  text-orientation:mixed;
  font-family:var(--w28-font-mono);
  font-size:.7rem;
  letter-spacing:.28em;
  color:var(--w28-gray);
}

/* =========================================================
   通用按钮 / 面包屑
   ========================================================= */
.w28-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  min-height:44px;
  padding:.62rem 1.2rem;
  border:1px solid transparent;
  border-radius:var(--w28-pill);
  background:var(--w28-orange);
  color:#1a0802;
  font-family:var(--w28-font-body);
  font-size:.92rem;
  font-weight:700;
  letter-spacing:.02em;
  text-decoration:none;
  cursor:pointer;
  transition:transform .2s var(--w28-ease), background-color .2s var(--w28-ease), border-color .2s, color .2s;
}
.w28-btn:hover{transform:translateY(-1px);color:#1a0802;background:#ff8155}
.w28-btn:active{transform:translateY(0)}
.w28-btn--cyan{background:var(--w28-cyan);color:#03272a}
.w28-btn--cyan:hover{background:#5cf0e9;color:#03272a}
.w28-btn--ghost{background:transparent;border-color:var(--w28-line);color:var(--w28-paper)}
.w28-btn--ghost:hover{border-color:var(--w28-cyan);color:var(--w28-cyan);background:transparent}
.w28-btn--quiet{background:rgba(16,42,68,.75);border-color:var(--w28-line);color:var(--w28-paper)}
.w28-btn--quiet:hover{border-color:var(--w28-ice);color:var(--w28-paper);background:rgba(16,42,68,.95)}

.w28-crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.45rem;
  margin:0;
  padding:0;
  list-style:none;
  font-family:var(--w28-font-mono);
  font-size:.72rem;
  letter-spacing:.08em;
  color:var(--w28-gray);
}
.w28-crumb a{color:var(--w28-ice);text-decoration:none}
.w28-crumb a:hover{color:var(--w28-cyan)}
.w28-crumb__sep{color:var(--w28-line)}
.w28-crumb [aria-current="page"]{color:var(--w28-paper)}

/* =========================================================
   档案组件：面板 / 说明牌 / 标签 / 编号网格 / 档案带
   ========================================================= */
.w28-panel{
  position:relative;
  padding:clamp(1.1rem,2.6vw,1.8rem);
  border:1px solid var(--w28-line);
  border-radius:var(--w28-radius);
  background:linear-gradient(180deg, rgba(30,66,102,.42), rgba(16,42,68,.92));
  box-shadow:0 28px 62px -48px rgba(0,0,0,.98);
}
.w28-panel--paper{
  border-color:#cfc7b4;
  background:linear-gradient(180deg, #F7F4EC, #E7E0D2);
  color:#12293f;
}
.w28-panel--paper a{color:#1e4266}

.w28-plate{
  display:grid;
  gap:.28rem;
  padding:.85rem 1rem;
  border-left:2px solid var(--w28-cyan);
  background:rgba(8,26,43,.52);
  font-family:var(--w28-font-mono);
  font-size:.76rem;
  letter-spacing:.06em;
  line-height:1.7;
  color:var(--w28-ice);
}
.w28-plate__no{color:var(--w28-cyan)}

.w28-tag{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  padding:.28rem .6rem;
  border:1px solid var(--w28-line);
  border-radius:5px;
  background:rgba(16,42,68,.82);
  font-family:var(--w28-font-mono);
  font-size:.7rem;
  letter-spacing:.1em;
  color:var(--w28-ice);
  text-transform:uppercase;
}
.w28-tag--cyan{color:var(--w28-cyan);border-color:rgba(44,232,224,.45)}
.w28-tag--orange{color:var(--w28-orange);border-color:rgba(255,107,53,.45)}
.w28-tag--gold{color:var(--w28-gold);border-color:rgba(212,175,55,.45)}

.w28-index{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(58px, 1fr));
  gap:6px;
  margin:0;
  padding:0;
  list-style:none;
}
.w28-index__item{
  display:flex;
  align-items:center;
  justify-content:center;
  aspect-ratio:1;
  border:1px solid var(--w28-line);
  border-radius:7px;
  background:rgba(16,42,68,.5);
  font-family:var(--w28-font-mono);
  font-size:.7rem;
  letter-spacing:.04em;
  color:var(--w28-gray);
  text-decoration:none;
  transition:border-color .2s var(--w28-ease), color .2s var(--w28-ease), background-color .2s var(--w28-ease);
}
.w28-index__item:hover,
.w28-index__item[aria-current="true"]{
  border-color:var(--w28-cyan);
  background:rgba(44,232,224,.09);
  color:var(--w28-cyan);
}

.w28-rail{
  display:flex;
  gap:clamp(.9rem,2vw,1.4rem);
  margin:0;
  padding:0 0 1rem;
  list-style:none;
  overflow-x:auto;
  overscroll-behavior-x:contain;
  scroll-snap-type:x proximity;
  scrollbar-width:thin;
  scrollbar-color:var(--w28-line) transparent;
}
.w28-rail > *{flex:0 0 auto;scroll-snap-align:start}
.w28-rail::-webkit-scrollbar{height:6px}
.w28-rail::-webkit-scrollbar-track{background:transparent}
.w28-rail::-webkit-scrollbar-thumb{background:var(--w28-line);border-radius:99px}

.w28-table{
  width:100%;
  border-collapse:collapse;
  font-size:.92rem;
}
.w28-table th,
.w28-table td{
  padding:.7rem .8rem;
  border-bottom:1px solid var(--w28-line-soft);
  text-align:left;
  vertical-align:top;
}
.w28-table th{
  font-family:var(--w28-font-mono);
  font-size:.7rem;
  font-weight:500;
  letter-spacing:.12em;
  color:var(--w28-ice);
}
.w28-table caption{
  caption-side:top;
  padding-bottom:.6rem;
  font-family:var(--w28-font-mono);
  font-size:.72rem;
  letter-spacing:.12em;
  color:var(--w28-gray);
  text-align:left;
}

/* 框景与图片容器（页面阶段放入 img 即可） */
.w28-frame{
  position:relative;
  padding:clamp(1.2rem,4vw,2.8rem);
  border:1px solid var(--w28-line);
  border-radius:var(--w28-radius-lg);
  background:rgba(8,26,43,.34);
}
.w28-frame::before{
  content:"";
  position:absolute;
  inset:10px;
  border:1px solid rgba(44,232,224,.2);
  border-radius:calc(var(--w28-radius-lg) - 9px);
  pointer-events:none;
}

.w28-media{
  position:relative;
  display:block;
  overflow:hidden;
  border:1px solid var(--w28-line);
  border-radius:var(--w28-radius);
  background:linear-gradient(135deg, rgba(30,66,102,.55), rgba(8,26,43,.92));
  aspect-ratio:16 / 10;
}
.w28-media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(44,232,224,.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(44,232,224,.1) 1px, transparent 1px);
  background-size:28px 28px;
}
.w28-media > img,
.w28-media > svg{width:100%;height:100%;object-fit:cover}
.w28-media--4x3{aspect-ratio:4 / 3}
.w28-media--1x1{aspect-ratio:1 / 1}
.w28-media--3x4{aspect-ratio:3 / 4}
.w28-media--21x9{aspect-ratio:21 / 9}
.w28-media--plain::after{display:none}
.w28-media__cap{
  position:absolute;
  left:.7rem;
  bottom:.7rem;
  z-index:2;
  padding:.25rem .55rem;
  border:1px solid var(--w28-line);
  border-radius:4px;
  background:rgba(8,26,43,.86);
  font-family:var(--w28-font-mono);
  font-size:.66rem;
  letter-spacing:.12em;
  color:var(--w28-ice);
}

/* =========================================================
   滚动显现
   ========================================================= */
[data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:
    opacity .6s var(--w28-ease) var(--w28-delay, 0ms),
    transform .6s var(--w28-ease) var(--w28-delay, 0ms);
}
[data-reveal].is-in{opacity:1;transform:none}

/* =========================================================
   动效降级
   ========================================================= */
@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}
  .w28-meter__fill{transition:none}
  .w28-nav{transform:none}
}