/* ===================================================================
   futurewhite — 未来科技白蓝浅色 新闻门户样式
   class 前缀: fw-
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600&display=swap');

:root{
  --fw-blue:#2f6feb;
  --fw-blue-light:#4f8ef7;
  --fw-blue-pale:#eaf1ff;
  --fw-bg:#ffffff;
  --fw-bg-soft:#f3f6fa;
  --fw-text:#232a35;
  --fw-text-soft:#5b6472;
  --fw-text-mute:#8b93a1;
  --fw-border:#e3e8f0;
  --fw-radius-lg:16px;
  --fw-radius:14px;
  --fw-radius-sm:10px;
  --fw-shadow:0 6px 24px rgba(47,111,235,.08);
  --fw-shadow-hover:0 12px 32px rgba(47,111,235,.14);
  --fw-mono:'JetBrains Mono','Consolas',monospace;
  --fw-sans:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
  --fw-gap:14px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body.fw-body{
  margin:0;
  background:var(--fw-bg-soft);
  color:var(--fw-text);
  font-family:var(--fw-sans);
  line-height:1.6;
  background-image:
    linear-gradient(rgba(47,111,235,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(47,111,235,.035) 1px,transparent 1px);
  background-size:38px 38px;
}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
img{max-width:100%;display:block;}
.fw-mono{font-family:var(--fw-mono);letter-spacing:.02em;}

.fw-clamp-1{
  display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:1;
  overflow:hidden;min-width:0;
}
.fw-clamp-2{
  display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;
  overflow:hidden;min-width:0;
}

/* ---------------- header ---------------- */
.fw-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--fw-border);
}
.fw-header-line{
  height:3px;
  background:linear-gradient(90deg,var(--fw-blue),var(--fw-blue-light),#9fc3ff,var(--fw-blue));
  background-size:200% 100%;
  animation:fw-flow 6s linear infinite;
}
@keyframes fw-flow{0%{background-position:0 0;}100%{background-position:200% 0;}}

.fw-header-inner{
  max-width:1240px;margin:0 auto;
  display:flex;align-items:center;gap:28px;
  padding:14px 24px;
}
.fw-logo img{height:40px;width:auto;}
.fw-nav{flex:1;min-width:0;overflow-x:auto;}
.fw-nav-list{display:flex;align-items:center;gap:26px;white-space:nowrap;}
.fw-nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  color:var(--fw-text-soft);font-size:14.5px;font-weight:600;
  padding:6px 2px;transition:transform .2s ease,color .2s ease;
}
.fw-nav-link:hover{color:var(--fw-blue);transform:translateY(-2px);}
.fw-dot{
  width:6px;height:6px;border-radius:50%;
  background:#c7d1e0;
  box-shadow:0 0 0 3px rgba(47,111,235,0);
  transition:background .2s ease,box-shadow .2s ease;
}
.fw-nav-link:hover .fw-dot{
  background:var(--fw-blue-light);
  box-shadow:0 0 0 3px rgba(79,142,247,.18);
}
.fw-header-meta{
  display:flex;align-items:center;gap:8px;
  color:var(--fw-text-mute);font-size:12px;
  padding:6px 12px;border:1px solid var(--fw-border);border-radius:20px;
  background:var(--fw-bg-soft);
}
.fw-meta-value{color:var(--fw-blue);font-weight:600;}
.fw-meta-pulse{
  width:7px;height:7px;border-radius:50%;background:#37c98c;
  box-shadow:0 0 0 0 rgba(55,201,140,.5);
  animation:fw-pulse 2s infinite;
}
@keyframes fw-pulse{
  0%{box-shadow:0 0 0 0 rgba(55,201,140,.5);}
  70%{box-shadow:0 0 0 6px rgba(55,201,140,0);}
  100%{box-shadow:0 0 0 0 rgba(55,201,140,0);}
}
.fw-burger{display:none;flex-direction:column;gap:4px;background:none;border:0;cursor:pointer;}
.fw-burger span{width:22px;height:2px;background:var(--fw-text);}

/* ---------------- main / layout ---------------- */
.fw-main{max-width:1240px;margin:0 auto;padding:28px 24px 60px;}
.fw-main-inner{padding-top:20px;}

.fw-crumb{color:var(--fw-text-mute);font-size:13px;margin-bottom:18px;}
.fw-crumb a:hover{color:var(--fw-blue);}
.fw-crumb-sep{margin:0 6px;color:var(--fw-border);}
.fw-crumb-current{color:var(--fw-text-soft);}

.fw-layout{display:flex;gap:26px;align-items:flex-start;}
.fw-content{flex:1;min-width:0;}
.fw-side{width:290px;flex-shrink:0;display:flex;flex-direction:column;gap:18px;}

/* ---------------- hero ---------------- */
.fw-hero{display:flex;gap:20px;margin-bottom:30px;}
.fw-hero-lead{flex:1.6;min-width:0;}
.fw-hero-card{
  display:block;height:100%;
  background:linear-gradient(160deg,#ffffff,var(--fw-blue-pale));
  border:1px solid var(--fw-border);
  border-radius:var(--fw-radius-lg);
  padding:26px;box-shadow:var(--fw-shadow);
  transition:box-shadow .25s ease,transform .25s ease;
}
.fw-hero-card:hover{box-shadow:var(--fw-shadow-hover);transform:translateY(-3px);}
.fw-hero-tag{
  display:inline-block;color:var(--fw-blue);font-size:11px;font-weight:700;
  padding:3px 10px;border-radius:20px;background:#fff;border:1px solid var(--fw-blue-light);
  margin-bottom:12px;
}
.fw-hero-title{
  font-size:26px;margin:0 0 10px;color:var(--fw-text);
  background:linear-gradient(90deg,var(--fw-text),var(--fw-blue));
  -webkit-background-clip:text;background-clip:text;color:var(--fw-text);
  -webkit-text-fill-color:var(--fw-text);
}
.fw-hero-info{color:var(--fw-text-soft);margin:0 0 16px;}
.fw-hero-meta{display:flex;gap:16px;color:var(--fw-text-mute);font-size:12.5px;}
.fw-hero-side{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px;}
.fw-hero-side-item{
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:12px 4px;border-bottom:1px dashed var(--fw-border);
}
.fw-hero-side-item a{flex:1;min-width:0;font-size:14px;color:var(--fw-text);}
.fw-hero-side-item a:hover{color:var(--fw-blue);}
.fw-hero-side-item .fw-time{font-size:11.5px;color:var(--fw-text-mute);flex-shrink:0;}

/* ---------------- panels: 横向宽卡片区 ---------------- */
.fw-panel{
  background:var(--fw-bg);
  border:1px solid var(--fw-border);
  border-radius:var(--fw-radius-lg);
  padding:22px 24px 24px;
  margin-bottom:22px;
  box-shadow:var(--fw-shadow);
}
.fw-panel.is-wide{width:100%;}
.fw-panel-alt{background:linear-gradient(180deg,#fbfcfe,#ffffff);}
.fw-panel-head{display:flex;align-items:center;gap:16px;margin-bottom:16px;}
.fw-panel-title{
  display:flex;align-items:center;gap:10px;
  font-size:18px;margin:0;color:var(--fw-text);white-space:nowrap;
}
.fw-panel-index{
  color:var(--fw-blue);font-style:normal;font-size:13px;
  padding:2px 8px;border-radius:6px;background:var(--fw-blue-pale);
}
.fw-panel-line{flex:1;height:1px;background:linear-gradient(90deg,var(--fw-border),transparent);}

.fw-panel-cards{
  display:flex;flex-wrap:wrap;gap:var(--fw-gap);
}
.fw-card{
  flex:1 1 calc(25% - var(--fw-gap));
  min-width:230px;max-width:calc(25% - var(--fw-gap));
  background:var(--fw-bg-soft);
  border:1px solid var(--fw-border);
  border-radius:var(--fw-radius);
  padding:16px;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.fw-card:hover{
  box-shadow:var(--fw-shadow-hover);
  transform:translateY(-3px);
  border-color:var(--fw-blue-light);
}
.fw-card-title{font-size:15.5px;margin:0 0 8px;min-width:0;}
.fw-card-title a:hover{color:var(--fw-blue);}
.fw-card-info{font-size:13px;color:var(--fw-text-soft);margin:0 0 12px;min-width:0;}
.fw-card-meta{display:flex;gap:12px;flex-wrap:wrap;color:var(--fw-text-mute);font-size:11.5px;}

.fw-panel-cards-dense .fw-card{
  flex:1 1 calc(33.333% - var(--fw-gap));
  max-width:calc(33.333% - var(--fw-gap));
}
.fw-card-sm{padding:12px 14px;}

.fw-panel-nav{background:var(--fw-blue-pale);border-color:#d6e5ff;}
.fw-chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.fw-chip{
  display:inline-flex;align-items:center;
  padding:8px 16px;border-radius:22px;
  background:#fff;border:1px solid var(--fw-border);
  font-size:13px;color:var(--fw-text-soft);
  transition:all .2s ease;
}
.fw-chip:hover{
  color:#fff;background:linear-gradient(135deg,var(--fw-blue),var(--fw-blue-light));
  border-color:transparent;transform:translateY(-2px);
}
.fw-chip-sm{padding:5px 12px;font-size:12px;}

/* ---------------- list page: 竖直渐变装饰条 ---------------- */
.fw-list-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:16px;}
.fw-list-title{font-size:22px;margin:0;color:var(--fw-text);}
.fw-list-count{color:var(--fw-text-mute);font-size:12px;}

.fw-strip-list{display:flex;flex-direction:column;gap:14px;}
.fw-strip-item{
  position:relative;
  background:var(--fw-bg);
  border:1px solid var(--fw-border);
  border-radius:var(--fw-radius-sm);
  padding-left:20px;
  overflow:hidden;
  transition:box-shadow .2s ease,transform .2s ease;
}
.fw-strip-item::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:5px;
  background:linear-gradient(180deg,var(--fw-blue),var(--fw-blue-light),#a9cbff);
}
.fw-strip-item:hover{box-shadow:var(--fw-shadow-hover);transform:translateX(3px);}
.fw-strip-link{display:block;padding:16px 18px;min-width:0;}
.fw-strip-title{font-size:16px;margin:0 0 8px;min-width:0;}
.fw-strip-item:hover .fw-strip-title{color:var(--fw-blue);}
.fw-strip-info{font-size:13px;color:var(--fw-text-soft);margin:0 0 10px;min-width:0;}
.fw-strip-meta{display:flex;gap:16px;flex-wrap:wrap;color:var(--fw-text-mute);font-size:11.5px;}

.fw-pagination{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;}
.fw-page-link{
  padding:8px 14px;border:1px solid var(--fw-border);border-radius:8px;
  font-size:13px;color:var(--fw-text-soft);transition:all .2s ease;
}
.fw-page-link:hover{
  color:#fff;background:var(--fw-blue);border-color:var(--fw-blue);
}

/* ---------------- sidebar ---------------- */
.fw-side-block{
  background:var(--fw-bg);border:1px solid var(--fw-border);
  border-radius:var(--fw-radius);padding:18px;
}
.fw-side-title{
  font-size:14px;margin:0 0 12px;color:var(--fw-text);
  padding-bottom:10px;border-bottom:1px solid var(--fw-border);
}
.fw-side-list li{padding:7px 0;border-bottom:1px dashed var(--fw-border);}
.fw-side-list li:last-child{border-bottom:0;}
.fw-side-list a{font-size:13.5px;color:var(--fw-text-soft);}
.fw-side-list a:hover{color:var(--fw-blue);}
.fw-side-rank-item{
  display:flex;justify-content:space-between;gap:10px;align-items:center;
  padding:8px 0;border-bottom:1px dashed var(--fw-border);
}
.fw-side-rank-item:last-child{border-bottom:0;}
.fw-side-rank-item a{flex:1;min-width:0;font-size:13.5px;}
.fw-side-rank-item a:hover{color:var(--fw-blue);}
.fw-side-rank-item .fw-time{font-size:11px;color:var(--fw-text-mute);flex-shrink:0;}

/* ---------------- article (show) ---------------- */
.fw-article-head{margin-bottom:20px;}
.fw-article-cat{
  display:inline-block;color:var(--fw-blue);font-size:12px;font-weight:700;
  padding:3px 10px;border-radius:16px;background:var(--fw-blue-pale);margin-bottom:12px;
}
.fw-article-title{font-size:27px;line-height:1.4;margin:0 0 14px;color:var(--fw-text);}
.fw-article-meta{display:flex;flex-wrap:wrap;gap:18px;color:var(--fw-text-mute);font-size:12.5px;margin-bottom:14px;}
.fw-article-summary{
  font-size:14px;color:var(--fw-text-soft);
  background:var(--fw-bg-soft);border-radius:var(--fw-radius-sm);
  padding:14px 16px;margin:0;
  border-left:4px solid var(--fw-blue-light);
}
.fw-article-divider{height:1px;background:var(--fw-border);margin:22px 0;}
.fw-article-body{font-size:16px;color:var(--fw-text);}
.fw-article-body img{border-radius:var(--fw-radius-sm);margin:14px 0;}
.fw-article-body p{margin:0 0 16px;}

.fw-article-nav{display:flex;gap:16px;}
.fw-article-nav-item{
  flex:1;min-width:0;
  background:var(--fw-bg-soft);border:1px solid var(--fw-border);
  border-radius:var(--fw-radius-sm);padding:14px 16px;
  transition:box-shadow .2s ease,transform .2s ease;
}
.fw-article-nav-item:hover{box-shadow:var(--fw-shadow-hover);transform:translateY(-2px);}
.fw-article-nav-label{display:block;color:var(--fw-text-mute);font-size:11px;margin-bottom:6px;}
.fw-article-nav-title{display:block;font-size:14px;min-width:0;}
.fw-next{text-align:right;}

/* ---------------- footer ---------------- */
.fw-footer{
  background:#0f1626;color:#c4cede;
  margin-top:40px;
  border-top:3px solid var(--fw-blue);
}
.fw-footer-grid{
  max-width:1240px;margin:0 auto;padding:40px 24px 24px;
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr 1fr;gap:24px;
}
.fw-footer-brand .fw-footer-logo img{height:34px;filter:brightness(0) invert(1);opacity:.9;}
.fw-footer-desc{font-size:13px;color:#8a96ac;margin:14px 0;}
.fw-footer-code{font-size:11px;color:#5c667c;word-break:break-all;}
.fw-footer-title{color:#fff;font-size:13.5px;margin:0 0 14px;}
.fw-footer-list li{margin-bottom:9px;font-size:12.5px;}
.fw-footer-list a{color:#8a96ac;transition:color .2s ease;}
.fw-footer-list a:hover{color:var(--fw-blue-light);}
.fw-footer-divider{max-width:1240px;margin:0 auto;height:1px;background:#232d42;}
.fw-footer-bottom{
  max-width:1240px;margin:0 auto;padding:18px 24px 30px;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:12px;color:#6c7690;
}
.fw-footer-bottom a{color:#6c7690;}
.fw-footer-bottom a:hover{color:var(--fw-blue-light);}

/* =================== responsive =================== */
@media (max-width:1024px){
  .fw-footer-grid{grid-template-columns:1fr 1fr 1fr;}
  .fw-card{flex:1 1 calc(50% - var(--fw-gap));max-width:calc(50% - var(--fw-gap));}
  .fw-panel-cards-dense .fw-card{flex:1 1 calc(50% - var(--fw-gap));max-width:calc(50% - var(--fw-gap));}
  .fw-side{width:250px;}
}

@media (max-width:768px){
  .fw-header-meta{display:none;}
  .fw-nav-list{gap:16px;}
  .fw-hero{flex-direction:column;}
  .fw-layout{flex-direction:column;}
  .fw-side{width:100%;flex-direction:row;flex-wrap:wrap;}
  .fw-side-block{flex:1 1 260px;}
  .fw-footer-grid{grid-template-columns:1fr 1fr;}
  .fw-card{flex:1 1 100%;max-width:100%;}
  .fw-panel-cards-dense .fw-card{flex:1 1 100%;max-width:100%;}
}

@media (max-width:480px){
  .fw-main{padding:18px 14px 40px;}
  .fw-header-inner{padding:12px 14px;gap:14px;}
  .fw-burger{display:flex;}
  .fw-nav{order:3;width:100%;}
  .fw-hero-card{padding:18px;}
  .fw-hero-title{font-size:20px;}
  .fw-article-title{font-size:21px;}
  .fw-footer-grid{grid-template-columns:1fr;padding:28px 16px 16px;}
  .fw-article-nav{flex-direction:column;}
  .fw-next{text-align:left;}
}