/* roulang page: index */
:root{
  --bg-0:#05080F;
  --bg-1:#080D18;
  --bg-2:#0C1424;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.085);
  --line:rgba(126,170,255,.16);
  --line-strong:rgba(126,170,255,.34);
  --primary:#4D9CFF;
  --primary-deep:#1B4FA8;
  --accent:#FF8A3D;
  --accent-strong:#FFA05E;
  --text:#E8EFFA;
  --text-2:#A9B8CF;
  --text-3:#6E8099;
  --ok:#38D9A9;
  --warn:#FFC24B;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:22px;
  --shadow-card:0 1px 0 rgba(255,255,255,.06) inset,0 18px 40px -24px rgba(0,0,0,.9);
  --shadow-hover:0 1px 0 rgba(255,255,255,.08) inset,0 18px 40px -24px rgba(0,0,0,.9),0 0 0 1px rgba(77,156,255,.18),0 0 32px -12px rgba(77,156,255,.55);
  --ease:cubic-bezier(.2,.7,.2,1);
  --bs-body-bg:#05080F;
  --bs-body-color:#E8EFFA;
  --bs-border-color:rgba(126,170,255,.16);
  --bs-border-radius:.75rem;
  --bs-primary:#4D9CFF;
  --bs-primary-rgb:77,156,255;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --bs-link-color:#4D9CFF;
  --bs-link-hover-color:#8FC0FF;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg-0);
  color:var(--text);
  font-size:15px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(72% 58% at 50% 6%,#000 12%,transparent 92%);
  mask-image:radial-gradient(72% 58% at 50% 6%,#000 12%,transparent 92%);
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  background:radial-gradient(60% 50% at 80% 0%,rgba(77,156,255,.16),transparent 70%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;border-radius:10px}
a{color:var(--primary);text-decoration:none;transition:color 220ms var(--ease)}
a:hover{color:#8FC0FF}
h1,h2,h3,h4,h5{color:var(--text);font-weight:700;letter-spacing:-.01em;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit}
::selection{background:rgba(255,138,61,.28);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

.container{max-width:1200px;width:100%;margin:0 auto;padding-left:20px;padding-right:20px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(5,8,15,.78);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:14px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:700;
  letter-spacing:-.01em;
  font-size:17px;
}
.brand:hover{color:var(--text)}
.brand-mark{
  width:32px;
  height:32px;
  border-radius:10px;
  background:linear-gradient(160deg,rgba(77,156,255,.28),rgba(255,255,255,.06));
  border:1px solid var(--line-strong);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 0 22px -14px rgba(77,156,255,.9);
  flex:0 0 auto;
}
.brand-mark svg{width:18px;height:18px;stroke:var(--primary);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.brand-chip{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:12px;
  letter-spacing:.04em;
  white-space:nowrap;
}
.nav-spacer{flex:1 1 auto}
.btn-glow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:var(--accent);
  color:#120A04;
  font-weight:700;
  font-size:15px;
  border:0;
  border-radius:12px;
  padding:13px 22px;
  cursor:pointer;
  white-space:nowrap;
  box-shadow:0 0 0 1px rgba(255,138,61,.55),0 10px 30px -8px rgba(255,138,61,.55);
  transition:background 220ms var(--ease),box-shadow 220ms var(--ease),transform 220ms var(--ease),opacity 220ms var(--ease);
}
.btn-glow:hover{background:var(--accent-strong);color:#120A04;box-shadow:0 0 0 1px rgba(255,160,94,.7),0 0 44px -10px rgba(255,138,61,.85);transform:translateY(-1px)}
.btn-glow:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(255,138,61,.5),0 6px 16px -8px rgba(255,138,61,.6)}
.btn-glow:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.btn-glow:disabled,.btn-glow.disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}
.nav-cta{padding:11px 18px;font-size:14px}
.cta-short{display:none}

.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:transparent;
  color:var(--primary);
  border:1px solid var(--line-strong);
  border-radius:12px;
  padding:12px 21px;
  font-weight:600;
  font-size:15px;
  cursor:pointer;
  transition:background 220ms var(--ease),border-color 220ms var(--ease),color 220ms var(--ease),transform 220ms var(--ease);
}
.btn-ghost:hover{background:rgba(77,156,255,.12);border-color:var(--primary);color:#BBD9FF}
.btn-ghost:active{transform:translateY(1px)}
.btn-ghost:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.btn-ghost:disabled{opacity:.45;cursor:not-allowed}

.btn-mini{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  background:transparent;
  border:1px solid var(--line-strong);
  border-radius:999px;
  padding:6px 14px;
  cursor:pointer;
  transition:background 220ms var(--ease),border-color 220ms var(--ease);
}
.btn-mini:hover{background:rgba(77,156,255,.14);border-color:var(--primary)}

/* ---------- 板块与标题 ---------- */
main{position:relative;z-index:1}
.section{padding:88px 0;position:relative}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-deep{background:var(--bg-2)}
.section-grid{
  background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
  background-size:56px 56px;
}
.section-head{margin-bottom:40px;max-width:760px}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.2;
  position:relative;
  padding-left:16px;
  margin-bottom:14px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:8px;
  width:3px;
  height:18px;
  border-radius:2px;
  background:var(--accent);
}
.section-head p{color:var(--text-2);font-size:15px;line-height:1.85}
.section-head-center{margin-left:auto;margin-right:auto;text-align:center}
.section-head-center h2{padding-left:0}
.section-head-center h2::before{left:50%;transform:translateX(-50%);top:-14px;width:18px;height:3px}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:56px 0 88px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:linear-gradient(180deg,rgba(5,8,15,.86),rgba(5,8,15,.95)),url('/assets/images/e0f5b05405ae1e58.jpg');
  background-size:cover;
  background-position:center;
  opacity:.55;
  z-index:0;
}
.hero .container{position:relative;z-index:1}
.hero-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:12px;
  padding:14px 18px;
  border-radius:var(--r-md);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  box-shadow:var(--shadow-card);
  margin-bottom:44px;
}
.hs-item{display:flex;align-items:baseline;gap:8px;justify-content:center;min-width:0}
.hs-num{
  font-family:ui-monospace,"DIN Alternate","SFMono-Regular",monospace;
  font-weight:700;
  letter-spacing:-.02em;
  font-size:19px;
  color:var(--primary);
}
.hs-label{font-size:12.5px;color:var(--text-3);white-space:nowrap}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:44px;
  align-items:start;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  letter-spacing:.06em;
  color:var(--text-2);
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:20px;
}
.hero-eyebrow i{
  width:6px;height:6px;border-radius:50%;
  background:var(--ok);
  box-shadow:0 0 10px rgba(56,217,169,.9);
  display:inline-block;
}
.hero h1{
  font-size:clamp(30px,4.6vw,54px);
  line-height:1.12;
  letter-spacing:-.02em;
  margin-bottom:18px;
}
.hero h1 .hl{color:var(--primary);display:block}
.hero-sub{
  font-size:16px;
  color:var(--text-2);
  margin-bottom:22px;
  max-width:560px;
}
.hero-intro{
  font-size:14.5px;
  color:var(--text-3);
  line-height:1.9;
  max-width:600px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.trust-line{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  font-size:13px;
  color:var(--text-3);
}
.trust-line span{display:inline-flex;align-items:center;gap:10px}
.trust-line span::after{content:"·";color:var(--line-strong)}
.trust-line span:last-child::after{content:""}

.hero-panel{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  box-shadow:var(--shadow-card);
  position:relative;
}
.hero-panel::before{
  content:"";
  position:absolute;
  left:22px;right:22px;top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),transparent);
}
.hero-panel-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:16px;
}
.icon-matrix{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:10px;
  margin-bottom:20px;
}
.im-cell{
  background:var(--glass-strong);
  border:1px solid var(--line);
  border-radius:14px;
  padding:14px 10px;
  text-align:center;
  transition:border-color 220ms var(--ease),transform 220ms var(--ease);
}
.im-cell:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.im-cell svg{width:22px;height:22px;stroke:var(--primary);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;margin:0 auto 8px}
.im-cell span{display:block;font-size:12.5px;color:var(--text-2)}
.status-list{display:grid;gap:10px}
.status-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:10px 12px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:12px;
  font-size:13px;
  color:var(--text-2);
}
.status-row b{
  font-family:ui-monospace,"DIN Alternate",monospace;
  font-size:12.5px;
  color:var(--text);
  font-weight:700;
}
.dot{width:7px;height:7px;border-radius:50%;display:inline-block;margin-right:7px}
.dot-ok{background:var(--ok);box-shadow:0 0 10px rgba(56,217,169,.8)}
.dot-warn{background:var(--warn);box-shadow:0 0 10px rgba(255,194,75,.8)}
.dot-idle{background:var(--text-3)}

/* ---------- 指标看板 ---------- */
.metrics-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}
.metric-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 20px;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.metric-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.metric-num{
  font-family:ui-monospace,"DIN Alternate","SFMono-Regular",monospace;
  font-size:clamp(28px,3vw,38px);
  font-weight:700;
  letter-spacing:-.02em;
  line-height:1.1;
  color:var(--accent);
  display:flex;
  align-items:baseline;
  gap:6px;
}
.metric-card:nth-child(even) .metric-num{color:var(--primary)}
.metric-num small{font-size:13px;color:var(--text-3);font-weight:600;letter-spacing:0}
.metric-label{margin-top:8px;font-size:13px;color:var(--text-2)}
.metric-bar{
  margin-top:16px;
  height:4px;
  width:60%;
  border-radius:99px;
  background:rgba(255,255,255,.08);
  overflow:hidden;
}
.metric-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--primary),var(--accent))}

/* ---------- 合集目录 ---------- */
.grid-collections{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.collection-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
  display:flex;
  flex-direction:column;
}
.collection-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.cc-media{position:relative;aspect-ratio:16/9;background:var(--bg-2);border-bottom:1px solid var(--line);overflow:hidden}
.cc-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.cc-media .ph{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:var(--text-3);
}
.cc-media .ph svg{width:34px;height:34px;stroke:currentColor;fill:none;stroke-width:1.4}
.cc-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.cc-body h3{font-size:16.5px;line-height:1.4}
.cc-body p{font-size:13.5px;color:var(--text-2);line-height:1.75}
.cc-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);
}
.cc-meta b{
  font-family:ui-monospace,"DIN Alternate",monospace;
  color:var(--primary);font-weight:700;
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:26px;
  font-size:13.5px;
  color:var(--primary);
  border-bottom:1px solid rgba(77,156,255,.35);
  padding-bottom:2px;
}
.link-more:hover{border-bottom-color:var(--primary);color:#9CC7FF}

/* ---------- 服务矩阵 ---------- */
.matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.m-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
  display:flex;
  flex-direction:column;
  gap:8px;
  position:relative;
}
.m-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.m-card h3{font-size:15.5px;line-height:1.4}
.m-card p{font-size:13.5px;color:var(--text-2);line-height:1.75}
.m-card .arrow{
  position:absolute;right:16px;bottom:16px;
  color:var(--primary);
  opacity:.6;
  transition:opacity 220ms var(--ease),transform 220ms var(--ease);
}
.m-card:hover .arrow{opacity:1;transform:translateX(3px)}
.m-card .arrow svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.m-card-lg{grid-column:span 2;grid-row:span 2;padding:0;overflow:hidden;justify-content:flex-end}
.m-card-lg .m-media{aspect-ratio:16/9;background:var(--bg-2);border-bottom:1px solid var(--line);overflow:hidden}
.m-card-lg .m-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.m-card-lg .m-content{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px}
.m-card-lg h3{font-size:19px}
.m-card-bar{grid-column:span 2;flex-direction:row;align-items:center;gap:14px}
.m-card-bar .bar-icon{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:rgba(77,156,255,.12);
  border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;
}
.m-card-bar .bar-icon svg{width:18px;height:18px;stroke:var(--primary);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.m-card-bar .bar-text{flex:1;min-width:0}
.m-card-bar h3{margin-bottom:2px}

/* ---------- 对比 ---------- */
.compare-wrap{
  display:grid;
  grid-template-columns:1fr 64px 1fr;
  align-items:stretch;
  gap:0;
}
.compare-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 24px;
  box-shadow:var(--shadow-card);
}
.compare-card.is-new{border-color:var(--line-strong);box-shadow:var(--shadow-card),0 0 40px -26px rgba(77,156,255,.9)}
.compare-card h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.compare-card h3 .tag{
  font-size:11.5px;font-weight:600;padding:2px 10px;border-radius:999px;
  background:rgba(110,128,153,.16);color:var(--text-3);border:1px solid var(--line);
}
.compare-card.is-new h3 .tag{background:rgba(255,138,61,.14);color:var(--accent);border-color:rgba(255,138,61,.35)}
.compare-list{display:grid;gap:12px}
.compare-list li{
  display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7;
}
.compare-list li .num{
  font-family:ui-monospace,"DIN Alternate",monospace;
  font-size:12.5px;font-weight:700;flex:0 0 auto;
  width:22px;height:22px;border-radius:7px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);color:var(--text-3);border:1px solid var(--line);
}
.compare-card.is-new .compare-list li{color:var(--text)}
.compare-card.is-new .compare-list li .num{background:rgba(255,138,61,.14);color:var(--accent);border-color:rgba(255,138,61,.35)}
.vs-badge{
  align-self:center;
  justify-self:center;
  width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:ui-monospace,"DIN Alternate",monospace;
  font-size:13px;font-weight:700;color:var(--primary);
  background:var(--bg-2);
  border:1px solid var(--line-strong);
  box-shadow:0 0 26px -10px rgba(77,156,255,.8);
  z-index:2;
}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
  display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.news-media{position:relative;aspect-ratio:16/9;background:linear-gradient(140deg,#0C1424,#152238);border-bottom:1px solid var(--line);overflow:hidden}
.news-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.news-media .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--text-3)}
.news-media .ph svg{width:32px;height:32px;stroke:currentColor;fill:none;stroke-width:1.4}
.badge-cat{
  position:absolute;left:12px;top:12px;
  font-size:11.5px;font-weight:600;
  padding:3px 10px;border-radius:999px;
  background:rgba(5,8,15,.72);
  border:1px solid var(--line-strong);
  color:var(--primary);
  backdrop-filter:blur(8px);
}
.news-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.news-body h3{
  font-size:15.5px;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:13px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}
.news-foot .go{display:inline-flex;align-items:center;gap:4px;color:var(--primary)}
.news-foot .go svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.empty-state{
  grid-column:1/-1;
  text-align:center;
  padding:56px 20px;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-md);
  background:rgba(255,255,255,.02);
}
.empty-state svg{width:40px;height:40px;stroke:var(--text-3);fill:none;stroke-width:1.4;margin:0 auto 14px}
.empty-state p{color:var(--text-2);font-size:14px;margin-bottom:16px}
.list-more{display:flex;justify-content:flex-end;margin-top:24px}

/* ---------- 收藏分享 ---------- */
.share-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
.share-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
}
.share-card h3{font-size:17px;margin-bottom:12px}
.share-card p{font-size:13.5px;color:var(--text-2);line-height:1.8}
.save-list{display:grid;gap:10px;margin-top:16px}
.save-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 14px;border-radius:12px;
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  font-size:13.5px;color:var(--text-2);
}
.save-list li b{
  font-family:ui-monospace,"DIN Alternate",monospace;
  color:var(--primary);font-size:12.5px;
}
.copy-row{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.copy-input{
  flex:1 1 200px;min-width:0;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--text-2);
  font-size:13px;
  padding:11px 14px;
}
.copy-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,138,61,.18)}

/* ---------- 专题索引 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.topic-row{
  display:flex;align-items:center;gap:16px;
  padding:18px 20px;
  border-radius:14px;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),background 220ms var(--ease);
  position:relative;
  overflow:hidden;
}
.topic-row::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:var(--accent);opacity:0;transition:opacity 220ms var(--ease);
}
.topic-row:hover{transform:translateX(4px);border-color:var(--line-strong);background:var(--glass-strong);color:var(--text)}
.topic-row:hover::before{opacity:1}
.topic-idx{
  font-family:ui-monospace,"DIN Alternate",monospace;
  font-size:13px;font-weight:700;color:var(--primary);
  width:26px;flex:0 0 auto;
}
.topic-text{flex:1;min-width:0}
.topic-text h3{font-size:15px;margin-bottom:4px}
.topic-tags{display:flex;flex-wrap:wrap;gap:6px}
.tag-chip{
  font-size:11.5px;color:var(--text-3);
  border:1px solid var(--line);
  border-radius:999px;
  padding:1px 9px;
}
.topic-row .arrow{color:var(--text-3);flex:0 0 auto}
.topic-row:hover .arrow{color:var(--primary)}
.topic-row .arrow svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 通道状态 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.channel-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px 22px;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  transition:border-color 220ms var(--ease),transform 220ms var(--ease);
}
.channel-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.channel-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.channel-top h3{font-size:15.5px}
.channel-time{font-size:11.5px;color:var(--text-3);font-family:ui-monospace,"DIN Alternate",monospace}
.channel-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-2);margin-bottom:10px}
.channel-meta b{font-family:ui-monospace,"DIN Alternate",monospace;color:var(--text);font-weight:700}
.badge-state{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11.5px;font-weight:600;
  padding:3px 10px;border-radius:999px;
  border:1px solid transparent;
}
.state-ok{color:var(--ok);background:rgba(56,217,169,.12);border-color:rgba(56,217,169,.32)}
.state-warn{color:var(--warn);background:rgba(255,194,75,.12);border-color:rgba(255,194,75,.32)}
.state-idle{color:var(--text-3);background:rgba(110,128,153,.12);border-color:rgba(126,170,255,.18)}
.channel-progress{height:4px;border-radius:99px;background:rgba(255,255,255,.07);overflow:hidden}
.channel-progress i{display:block;height:100%;border-radius:99px}
.p-ok{background:linear-gradient(90deg,rgba(56,217,169,.5),var(--ok))}
.p-warn{background:linear-gradient(90deg,rgba(255,194,75,.5),var(--warn))}
.p-idle{background:linear-gradient(90deg,rgba(110,128,153,.4),var(--text-3))}

/* ---------- 平台保障 ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.guard-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 20px;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.guard-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.guard-icon{
  width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(77,156,255,.1);
  border:1px solid var(--line-strong);
  margin-bottom:14px;
}
.guard-icon svg{width:19px;height:19px;stroke:var(--primary);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.guard-card h3{font-size:15px;margin-bottom:8px}
.guard-card p{font-size:13px;color:var(--text-2);line-height:1.75}

/* ---------- 三步流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;position:relative}
.step-card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 22px;
  box-shadow:var(--shadow-card);
}
.step-card::after{
  content:"";
  position:absolute;
  right:-16px;top:50%;
  width:16px;
  border-top:1px dashed var(--line-strong);
}
.step-card:last-child::after{display:none}
.step-num{
  font-family:ui-monospace,"DIN Alternate",monospace;
  font-size:38px;
  font-weight:700;
  line-height:1;
  letter-spacing:-.03em;
  color:transparent;
  -webkit-text-stroke:1px rgba(77,156,255,.6);
  margin-bottom:14px;
}
.step-card h3{font-size:16px;margin-bottom:8px}
.step-card p{font-size:13.5px;color:var(--text-2);line-height:1.8}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:150px}
.timeline::before{
  content:"";position:absolute;left:118px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,transparent,var(--line-strong) 12%,var(--line-strong) 88%,transparent);
}
.tl-item{position:relative;padding:0 0 30px 40px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-3.5px;top:9px;
  width:8px;height:8px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 14px rgba(77,156,255,.9);
}
.tl-year{
  position:absolute;left:-150px;top:0;
  width:110px;text-align:right;
  font-family:ui-monospace,"DIN Alternate",monospace;
  font-size:14px;font-weight:700;color:var(--primary);
  letter-spacing:-.01em;
}
.tl-item h3{font-size:15.5px;margin-bottom:6px}
.tl-item p{font-size:13.5px;color:var(--text-2);line-height:1.8}

/* ---------- 榜单 ---------- */
.rank-list{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  background:var(--glass);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  box-shadow:var(--shadow-card);
}
.rank-item{
  display:flex;align-items:center;gap:16px;
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  color:var(--text);
  transition:background 220ms var(--ease);
}
.rank-item:last-child{border-bottom:0}
.rank-item:hover{background:rgba(255,255,255,.035);color:var(--text)}
.rank-no{
  font-family:ui-monospace,"DIN Alternate",monospace;
  font-size:13px;font-weight:700;color:var(--text-3);
  width:26px;flex:0 0 auto;
}
.rank-item:nth-child(-n+3) .rank-no{color:var(--accent)}
.rank-title{flex:1;min-width:0;font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-cat{
  font-size:11.5px;color:var(--text-3);
  border:1px solid var(--line);border-radius:999px;padding:1px 9px;
  white-space:nowrap;
}
.rank-date{
  font-family:ui-monospace,"DIN Alternate",monospace;
  font-size:12px;color:var(--text-3);white-space:nowrap;
}
.rank-arrow{color:var(--text-3);flex:0 0 auto;display:flex}
.rank-item:hover .rank-arrow{color:var(--primary)}
.rank-arrow svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 评价 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.review-card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 22px 20px;
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform 220ms var(--ease),border-color 220ms var(--ease);
}
.review-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.review-card::before{
  content:"“";
  position:absolute;right:18px;top:2px;
  font-size:76px;line-height:1;
  color:rgba(255,255,255,.06);
  font-family:Georgia,serif;
}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{
  width:38px;height:38px;border-radius:50%;
  background:linear-gradient(150deg,rgba(77,156,255,.32),rgba(255,138,61,.24));
  border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;color:var(--text);
  flex:0 0 auto;
}
.review-name{font-size:14px;font-weight:600}
.review-role{font-size:12px;color:var(--text-3)}
.review-text{font-size:13.5px;color:var(--text-2);line-height:1.8;min-height:74px}
.stars{display:flex;gap:3px;margin-top:14px}
.stars svg{width:14px;height:14px;fill:var(--accent);stroke:none}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.accordion-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:16px !important;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:var(--line-strong);
  box-shadow:0 0 0 1px rgba(77,156,255,.18);
}
.accordion-button{
  background:transparent;
  color:var(--text);
  font-size:15px;
  font-weight:600;
  padding:18px 54px 18px 20px;
  box-shadow:none;
  border-radius:0;
  display:flex;
  align-items:center;
  gap:12px;
}
.accordion-button:not(.collapsed){background:rgba(77,156,255,.07);color:var(--text)}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--primary);outline-offset:-2px}
.accordion-button::after{display:none}
.accordion-button .q-badge{
  width:24px;height:24px;border-radius:7px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;
  background:rgba(255,138,61,.14);color:var(--accent);
  border:1px solid rgba(255,138,61,.35);
}
.accordion-button .q-toggle{
  position:absolute;right:18px;top:50%;transform:translateY(-50%);
  width:20px;height:20px;flex:0 0 auto;
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
}
.accordion-button .q-toggle svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round}
.accordion-button .q-toggle .v{display:none}
.accordion-button.collapsed .q-toggle .v{display:block}
.accordion-button.collapsed .q-toggle .h{display:none}
.accordion-button:not(.collapsed){position:relative}
.accordion-item:has(.accordion-button:not(.collapsed)) .accordion-button{box-shadow:inset 3px 0 0 var(--accent)}
.accordion-body{
  padding:0 22px 20px 56px;
  color:var(--text-2);
  font-size:13.5px;
  line-height:1.9;
}

/* ---------- 转化表单 ---------- */
.convert-wrap{
  display:grid;
  grid-template-columns:1fr .95fr;
  gap:36px;
  align-items:start;
}
.convert-copy h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.25;
  padding-left:16px;
  position:relative;
  margin-bottom:14px;
}
.convert-copy h2::before{content:"";position:absolute;left:0;top:8px;width:3px;height:18px;border-radius:2px;background:var(--accent)}
.convert-copy p{color:var(--text-2);font-size:14.5px;margin-bottom:20px}
.check-list{display:grid;gap:10px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--text-2)}
.check-list li svg{width:16px;height:16px;stroke:var(--ok);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto;margin-top:4px}
.convert-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px;
  box-shadow:var(--shadow-card),0 0 60px -40px rgba(77,156,255,.9);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
}
.form-label{font-size:12.5px;color:var(--text-2);margin-bottom:6px;display:block}
.form-control,.form-select{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--text);
  font-size:14px;
  padding:11px 14px;
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease);
}
.form-control::placeholder{color:var(--text-3)}
.form-control:focus,.form-select:focus{
  background:rgba(255,255,255,.06);
  border-color:var(--accent);
  color:var(--text);
  box-shadow:0 0 0 2px rgba(255,138,61,.35),0 0 22px -8px rgba(255,138,61,.7);
  outline:none;
}
.form-select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%234D9CFF'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  background-size:12px;
  padding-right:38px;
}
.form-select option{background:#0C1424;color:var(--text)}
.form-group{margin-bottom:16px}
.btn-submit{width:100%;margin-top:6px}
.form-note{
  font-size:12px;
  color:var(--text-3);
  margin-top:12px;
  line-height:1.7;
}
.form-feedback{
  display:none;
  margin-top:12px;
  font-size:12.5px;
  color:var(--ok);
  border:1px solid rgba(56,217,169,.32);
  background:rgba(56,217,169,.1);
  border-radius:10px;
  padding:9px 12px;
}
.form-feedback.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  z-index:1;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:32px;
  padding-bottom:44px;
}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:16px;margin-bottom:14px}
.footer-brand:hover{color:var(--text)}
.footer-desc{font-size:13px;color:var(--text-3);line-height:1.85;max-width:300px;margin-bottom:16px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.footer-col h4{font-size:13.5px;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:13px;color:var(--text-3);line-height:1.7}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:12.5px;
  color:var(--text-3);
}
.footer-bottom .fb-right{display:flex;flex-wrap:wrap;gap:16px}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .metrics-grid{grid-template-columns:repeat(3,1fr)}
  .matrix{grid-template-columns:repeat(4,1fr)}
  .guard-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .hero{padding:40px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-strip{grid-template-columns:repeat(2,1fr);gap:14px}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .grid-collections{grid-template-columns:repeat(2,1fr)}
  .matrix{grid-template-columns:repeat(2,1fr)}
  .m-card-lg{grid-column:span 2;grid-row:auto}
  .m-card-bar{grid-column:span 2}
  .compare-wrap{grid-template-columns:1fr;gap:16px}
  .vs-badge{justify-self:center}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .share-grid{grid-template-columns:1fr}
  .topic-grid{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step-card::after{display:none}
  .timeline{padding-left:0}
  .timeline::before{left:3px}
  .tl-item{padding:0 0 28px 26px}
  .tl-item::before{left:-.5px}
  .tl-year{position:static;width:auto;text-align:left;display:block;margin-bottom:4px}
  .review-grid{grid-template-columns:1fr}
  .convert-wrap{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .rank-title{white-space:normal}
}
@media (max-width:767px){
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .grid-collections{grid-template-columns:1fr}
  .matrix{grid-template-columns:1fr}
  .m-card-lg,.m-card-bar{grid-column:span 1}
  .news-grid{grid-template-columns:1fr}
  .guard-grid{grid-template-columns:1fr}
  .brand-chip{display:none}
  .footer-grid{grid-template-columns:1fr}
  .rank-cat{display:none}
  .rank-date{display:none}
}
@media (max-width:576px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:48px 0}
  .hero{padding:32px 0 48px}
  .hero-strip{padding:12px;gap:10px}
  .hs-num{font-size:16px}
  .hs-label{font-size:11.5px}
  .metric-card{padding:18px 16px;border-radius:14px}
  .metric-num{font-size:26px}
  .collection-card,.news-card,.m-card,.guard-card,.channel-card,.review-card,.step-card{border-radius:14px}
  .nav-wrap{min-height:62px;gap:10px}
  .brand{font-size:15px}
  .nav-cta{padding:9px 14px;font-size:13.5px}
  .cta-full{display:none}
  .cta-short{display:inline}
  .hero-actions .btn-glow,.hero-actions .btn-ghost{width:100%}
  .accordion-body{padding:0 18px 18px 18px}
  .accordion-button{font-size:14px;padding:16px 48px 16px 16px}
  .convert-card{padding:20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --bg-0:#05080F;
  --bg-1:#080D18;
  --bg-2:#0C1424;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.085);
  --line:rgba(126,170,255,.16);
  --line-strong:rgba(126,170,255,.34);
  --primary:#4D9CFF;
  --primary-deep:#1B4FA8;
  --accent:#FF8A3D;
  --accent-strong:#FFA05E;
  --text:#E8EFFA;
  --text-2:#A9B8CF;
  --text-3:#6E8099;
  --ok:#38D9A9;
  --warn:#FFC24B;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:22px;
  --shadow-card:0 1px 0 rgba(255,255,255,.06) inset,0 18px 40px -24px rgba(0,0,0,.9);
  --shadow-hover:0 1px 0 rgba(255,255,255,.08) inset,0 18px 40px -24px rgba(0,0,0,.9),0 0 0 1px rgba(77,156,255,.18),0 0 32px -12px rgba(77,156,255,.55);
  --ease:cubic-bezier(.2,.7,.2,1);
  --bs-body-bg:#05080F;
  --bs-body-color:#E8EFFA;
  --bs-border-color:rgba(126,170,255,.16);
  --bs-border-radius:.75rem;
  --bs-primary:#4D9CFF;
  --bs-primary-rgb:77,156,255;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --bs-link-color:#4D9CFF;
  --bs-link-hover-color:#8FC0FF;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg-0);
  color:var(--text);
  font-size:15px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(72% 58% at 50% 6%,#000 12%,transparent 92%);
  mask-image:radial-gradient(72% 58% at 50% 6%,#000 12%,transparent 92%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(60% 50% at 80% 0%,rgba(77,156,255,.16),transparent 70%);
}
img{max-width:100%;display:block;border-radius:10px}
a{color:var(--primary);text-decoration:none;transition:color 220ms var(--ease)}
a:hover{color:#8FC0FF}
button,input,select,textarea{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
.container{max-width:1200px;width:100%;margin:0 auto;padding-left:20px;padding-right:20px;position:relative;z-index:1}
/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,8,15,.78);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:14px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;letter-spacing:-.01em;font-size:17px}
.brand:hover{color:var(--text)}
.brand-mark{
  width:32px;height:32px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(160deg,rgba(77,156,255,.28),rgba(255,255,255,.06));
  border:1px solid var(--line-strong);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 0 22px -14px rgba(77,156,255,.9);
}
.brand-mark svg{width:18px;height:18px;stroke:var(--primary);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.brand-chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);
  font-size:12px;letter-spacing:.04em;white-space:nowrap;
}
.nav-spacer{flex:1 1 auto}
/* ---------- 按钮 ---------- */
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent);color:#120A04;font-weight:700;font-size:15px;
  border:0;border-radius:12px;padding:13px 22px;cursor:pointer;white-space:nowrap;
  box-shadow:0 0 0 1px rgba(255,138,61,.55),0 10px 30px -8px rgba(255,138,61,.55);
  transition:background 220ms var(--ease),box-shadow 220ms var(--ease),transform 220ms var(--ease),opacity 220ms var(--ease);
}
.btn-glow:hover{background:var(--accent-strong);color:#120A04;box-shadow:0 0 0 1px rgba(255,160,94,.7),0 0 44px -10px rgba(255,138,61,.85);transform:translateY(-1px)}
.btn-glow:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(255,138,61,.5),0 6px 16px -8px rgba(255,138,61,.6)}
.btn-glow:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.btn-glow:disabled,.btn-glow.disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}
.nav-cta{padding:11px 18px;font-size:14px}
.cta-short{display:none}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--primary);border:1px solid var(--line-strong);
  border-radius:12px;padding:12px 21px;font-weight:600;font-size:15px;cursor:pointer;
  transition:background 220ms var(--ease),border-color 220ms var(--ease),color 220ms var(--ease),transform 220ms var(--ease);
}
.btn-ghost:hover{background:rgba(77,156,255,.12);border-color:var(--primary);color:#BBD9FF}
.btn-ghost:active{transform:translateY(1px)}
.btn-ghost:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.btn-ghost:disabled{opacity:.45;cursor:not-allowed}
.btn-mini{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  color:var(--primary);background:transparent;border:1px solid var(--line-strong);
  border-radius:999px;padding:6px 14px;cursor:pointer;
  transition:background 220ms var(--ease),border-color 220ms var(--ease);
}
.btn-mini:hover{background:rgba(77,156,255,.14);border-color:var(--primary);color:#BBD9FF}
/* ---------- 板块 ---------- */
main{position:relative;z-index:1}
.section{padding:88px 0;position:relative}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-deep{background:var(--bg-2);border-top:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:34px}
.sec-title{
  position:relative;padding-left:15px;
  font-size:clamp(24px,2.6vw,34px);line-height:1.2;font-weight:700;color:var(--text);
}
.sec-title::before{content:"";position:absolute;left:0;top:8px;width:3px;height:18px;border-radius:2px;background:var(--accent)}
.sec-sub{color:var(--text-3);font-size:13px;line-height:1.6;margin-top:10px;padding-left:15px}
/* ---------- 徽章 / 标签 ---------- */
.badge-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(255,138,61,.14);border:1px solid rgba(255,138,61,.45);
  color:var(--accent-strong);font-size:12px;font-weight:600;letter-spacing:.03em;
}
.tag-chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);font-size:12px;
}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
/* ---------- 文章头部 ---------- */
.article-hero{
  padding:36px 0 64px;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(58% 44% at 84% 0%,rgba(77,156,255,.14),transparent 72%),
    var(--bg-0);
  position:relative;
}
.crumb-bar{border-top:1px solid var(--line);padding-top:16px;margin-bottom:26px}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.breadcrumb-list li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb-list li+li::before{content:"/";color:rgba(126,170,255,.4)}
.breadcrumb-list a{color:var(--text-2)}
.breadcrumb-list a:hover{color:var(--primary)}
.breadcrumb-list [aria-current]{color:var(--text-3)}
.article-head{max-width:900px}
.article-title{
  font-size:clamp(26px,3.5vw,42px);line-height:1.24;font-weight:700;
  margin:16px 0 16px;color:var(--text);
}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}
.meta-line .sep{color:rgba(126,170,255,.45)}
.hero-cover{
  margin:34px 0 0;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-2);position:relative;
  box-shadow:var(--shadow-card);
}
.hero-cover img{width:100%;aspect-ratio:21/9;object-fit:cover;border-radius:0}
.hero-cover figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 18px 12px;font-size:12px;color:#D6E3F7;
  background:linear-gradient(to top,rgba(5,8,15,.86),transparent);text-align:left;
}
/* ---------- 要点卡 ---------- */
.keypoints{
  position:relative;background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 28px 24px 30px;backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  box-shadow:var(--shadow-card);
}
.keypoints::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:0 3px 3px 0;background:var(--accent)}
.keypoints h2{font-size:18px;margin-bottom:14px;color:var(--text)}
.keypoints ul{display:grid;gap:10px}
.keypoints li{position:relative;padding-left:20px;color:var(--text-2);font-size:14.5px;line-height:1.75}
.keypoints li::before{
  content:"";position:absolute;left:4px;top:11px;width:6px;height:6px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px -2px rgba(77,156,255,.9);
}
/* ---------- 正文布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:52px;align-items:start}
.article-col{min-width:0}
.article-body{max-width:760px;font-size:16px;line-height:1.85;color:var(--text-2)}
.article-body p{margin:0 0 18px}
.article-body h2{
  position:relative;margin:40px 0 16px;padding-left:15px;
  font-size:26px;line-height:1.32;font-weight:700;color:var(--text);
}
.article-body h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:3px;border-radius:2px;background:var(--accent)}
.article-body h3{font-size:20px;line-height:1.35;margin:28px 0 12px;color:var(--text);font-weight:600}
.article-body h4{font-size:16px;margin:22px 0 10px;color:var(--text)}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:20px}
.article-body ul li{list-style:disc;margin-bottom:8px}
.article-body ol li{list-style:decimal;margin-bottom:8px}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;border-left:3px solid var(--accent);
  background:var(--glass);border-radius:0 12px 12px 0;color:var(--text);font-style:normal;
}
.article-body img{border:1px solid var(--line);border-radius:10px;margin:20px 0;height:auto}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:12px;color:var(--text-3);text-align:center;margin-top:8px}
.article-body code{
  font-family:ui-monospace,"DIN Alternate",SFMono-Regular,Menlo,monospace;
  background:rgba(255,255,255,.08);color:#BBD9FF;padding:2px 6px;border-radius:4px;font-size:13px;
}
.article-body pre{
  background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:12px;
  padding:16px;overflow-x:auto;margin:20px 0;font-size:13px;color:var(--text-2);
}
.article-body pre code{background:none;padding:0}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px}
.article-body th{background:var(--bg-2);color:var(--text);text-align:left;padding:11px 14px;border:1px solid var(--line);font-weight:600}
.article-body td{padding:11px 14px;border:1px solid var(--line);color:var(--text-2)}
.article-body tbody tr{transition:background 200ms var(--ease)}
.article-body tbody tr:hover td{background:rgba(255,255,255,.035)}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(77,156,255,.35)}
.article-body a:hover{border-bottom-color:var(--primary);color:#9FC8FF}
.article-body hr{border:0;border-top:1px solid var(--line);margin:30px 0}
.empty-state{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:44px 28px;text-align:center;box-shadow:var(--shadow-card);
}
.empty-state h2{font-size:22px;margin-bottom:10px;color:var(--text)}
.empty-state p{color:var(--text-2);margin-bottom:22px}
/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:18px;position:sticky;top:88px}
.side-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 18px 16px;backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  box-shadow:var(--shadow-card);
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease),transform 220ms var(--ease);
}
.side-card:hover{border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.side-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--primary)}
.toc-details summary{
  list-style:none;cursor:pointer;font-size:14px;font-weight:700;color:var(--text);
  display:flex;align-items:center;gap:8px;
}
.toc-details summary::-webkit-details-marker{display:none}
.toc-details summary::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--primary)}
.toc-details summary::after{content:"+";margin-left:auto;color:var(--text-3);font-weight:700}
.toc-details[open] summary::after{content:"−"}
.toc-list{margin-top:12px;display:grid;gap:4px}
.toc-list a{
  display:block;padding:7px 10px;border-radius:8px;font-size:13px;color:var(--text-2);
  border-left:2px solid transparent;transition:all 200ms var(--ease);
}
.toc-list a:hover{background:rgba(255,255,255,.045);color:var(--text);border-left-color:var(--accent)}
.rank-list{display:grid;gap:2px}
.rank-list a{display:flex;gap:10px;align-items:flex-start;padding:8px 8px;border-radius:8px;transition:background 200ms var(--ease)}
.rank-list a:hover{background:rgba(255,255,255,.04)}
.rank-list .rank{
  font-family:ui-monospace,"DIN Alternate",monospace;font-size:12px;font-weight:700;
  color:var(--primary);line-height:1.9;flex:0 0 22px;
}
.rank-list .txt{
  font-size:13px;color:var(--text-2);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rank-list a:hover .txt{color:var(--text)}
.side-empty{font-size:13px;color:var(--text-3);padding:6px 2px}
.sub-form{display:grid;gap:10px}
.sub-form .form-control{font-size:13px;padding:10px 12px}
.sub-form .btn-glow{width:100%;padding:11px 16px;font-size:14px}
.side-note{font-size:12px;color:var(--text-3);line-height:1.6;margin-top:2px}
/* ---------- 资源信息卡 ---------- */
.res-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  box-shadow:var(--shadow-card);
}
.res-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.res-item{
  background:rgba(255,255,255,.035);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:14px 16px;transition:border-color 220ms var(--ease),background 220ms var(--ease);
}
.res-item:hover{border-color:var(--line-strong);background:rgba(255,255,255,.06)}
.res-label{display:block;font-size:12px;color:var(--text-3);margin-bottom:6px;letter-spacing:.04em}
.res-value{
  font-family:ui-monospace,"DIN Alternate",SFMono-Regular,Menlo,monospace;
  font-size:16px;font-weight:700;color:var(--text);letter-spacing:-.02em;word-break:break-all;
}
.res-value.accent{color:var(--accent)}
.res-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.res-tip{
  margin-top:16px;font-size:12.5px;color:var(--text-3);line-height:1.7;
  padding-top:14px;border-top:1px dashed rgba(126,170,255,.2);
}
.res-tip strong{color:var(--warn);font-weight:600}
/* ---------- 推荐卡 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rec-card{
  display:flex;flex-direction:column;background:var(--glass);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;text-decoration:none;
  backdrop-filter:blur(18px) saturate(120%);-webkit-backdrop-filter:blur(18px) saturate(120%);
  box-shadow:var(--shadow-card);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.rec-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.rec-thumb{position:relative;aspect-ratio:16/9;background:var(--bg-2);border-bottom:1px solid var(--line);overflow:hidden}
.rec-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 420ms var(--ease)}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-title{
  font-size:15.5px;font-weight:600;color:var(--text);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rec-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:12px;color:var(--text-3)}
.rec-arrow{color:var(--primary);font-family:ui-monospace,monospace}
/* ---------- 转化区 ---------- */
.cta-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:44px;align-items:center;
  background:linear-gradient(120deg,rgba(77,156,255,.12),rgba(255,138,61,.07) 78%,transparent);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:40px;
  box-shadow:var(--shadow-card);
}
.cta-copy h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;margin-bottom:12px;color:var(--text)}
.cta-copy p{color:var(--text-2);font-size:14.5px;margin-bottom:18px}
.cta-list{display:grid;gap:10px}
.cta-list li{position:relative;padding-left:26px;font-size:14px;color:var(--text-2)}
.cta-list li::before{
  content:"";position:absolute;left:0;top:6px;width:14px;height:14px;border-radius:4px;
  border:1px solid rgba(56,217,169,.55);background:rgba(56,217,169,.14);
}
.cta-list li::after{
  content:"";position:absolute;left:4px;top:10px;width:6px;height:3px;
  border-left:1.5px solid var(--ok);border-bottom:1.5px solid var(--ok);transform:rotate(-45deg);
}
.cta-form{
  background:var(--glass-strong);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;
  backdrop-filter:blur(20px) saturate(130%);-webkit-backdrop-filter:blur(20px) saturate(130%);
}
.form-field{margin-bottom:14px}
.form-field label{display:block;font-size:12.5px;color:var(--text-2);margin-bottom:7px;letter-spacing:.03em}
.form-control,.form-select{
  width:100%;background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:12px;color:var(--text);padding:12px 14px;font-size:14px;line-height:1.5;
  box-shadow:none;appearance:none;-webkit-appearance:none;
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease);
}
.form-control::placeholder{color:var(--text-3)}
.form-control:hover,.form-select:hover{border-color:var(--line-strong)}
.form-control:focus,.form-select:focus{
  background:rgba(255,255,255,.07);border-color:rgba(255,138,61,.7);color:var(--text);
  box-shadow:0 0 0 2px rgba(255,138,61,.35),0 0 24px -12px rgba(255,138,61,.9);
  outline:none;
}
.form-select{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23A9B8CF'%3E%3Cpath d='M8 11.2 3.2 6.4l1.1-1.1L8 9l3.7-3.7 1.1 1.1z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:14px;
  padding-right:38px;
}
.form-select option{background:var(--bg-2);color:var(--text)}
.cta-form .btn-glow{width:100%;margin-top:4px}
.form-note{font-size:12px;color:var(--text-3);line-height:1.6;margin-top:12px}
.disclaimer-bar{font-size:12px;color:var(--text-3);text-align:center;margin-top:26px;line-height:1.7}
/* ---------- 上下篇 ---------- */
.pager-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.pager-card{
  display:flex;flex-direction:column;gap:8px;padding:20px 22px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  text-decoration:none;box-shadow:var(--shadow-card);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.pager-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.pager-card.is-muted{opacity:.62;pointer-events:none}
.pager-dir{font-size:12px;color:var(--text-3);letter-spacing:.05em}
.pager-title{font-size:15px;font-weight:600;color:var(--text);line-height:1.5}
.back-home{text-align:center;margin-top:26px}
.back-home a{font-size:13.5px;font-weight:600;color:var(--primary)}
.back-home a:hover{color:#9FC8FF}
/* ---------- 免责 ---------- */
.notice-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;font-size:13px;color:var(--text-3);line-height:1.85;
}
.notice-card strong{color:var(--text-2);font-weight:600}
/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-1);border-top:1px solid var(--line);
  padding:64px 0 26px;position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:16px}
.footer-brand:hover{color:var(--text)}
.footer-desc{font-size:13px;color:var(--text-3);line-height:1.8;margin-top:14px;max-width:340px}
.footer-col h4{font-size:13px;color:var(--text);letter-spacing:.06em;margin-bottom:14px;font-weight:700}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13px;color:var(--text-2)}
.footer-col a:hover{color:var(--primary)}
.footer-col span{font-size:13px;color:var(--text-3)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  font-size:12px;color:var(--text-3);
}
.fb-right{display:inline-flex;flex-wrap:wrap;align-items:center;gap:14px}
.fb-right a{color:var(--text-2)}
.fb-right a:hover{color:var(--primary)}
/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:36px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .article-layout{grid-template-columns:1fr;gap:32px}
  .article-side{position:static}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .res-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-wrap{grid-template-columns:1fr;gap:30px;padding:32px}
  .hero-cover img{aspect-ratio:16/9}
}
@media (max-width:768px){
  .nav-cta{padding:10px 16px}
  .rec-grid{grid-template-columns:1fr}
  .pager-grid{grid-template-columns:1fr}
  .article-title{font-size:24px}
  .sec-head{margin-bottom:26px}
}
@media (max-width:576px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:48px 0}
  .article-hero{padding:24px 0 44px}
  body{font-size:14.5px}
  .brand-chip{display:none}
  .cta-short{display:inline}
  .cta-full{display:none}
  .nav-wrap{min-height:64px;gap:10px}
  .brand{font-size:16px}
  .keypoints{padding:20px 18px 18px 20px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .res-grid{grid-template-columns:1fr 1fr;gap:10px}
  .res-card{padding:20px 18px}
  .rec-card,.side-card,.notice-card{border-radius:14px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .hero-cover img{aspect-ratio:4/3}
}

/* roulang page: category1 */
:root{
  --bg-0:#05080F;
  --bg-1:#080D18;
  --bg-2:#0C1424;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.085);
  --line:rgba(126,170,255,.16);
  --line-strong:rgba(126,170,255,.34);
  --primary:#4D9CFF;
  --primary-deep:#1B4FA8;
  --accent:#FF8A3D;
  --accent-strong:#FFA05E;
  --text:#E8EFFA;
  --text-2:#A9B8CF;
  --text-3:#6E8099;
  --ok:#38D9A9;
  --warn:#FFC24B;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:22px;
  --shadow-card:0 1px 0 rgba(255,255,255,.06) inset,0 18px 40px -24px rgba(0,0,0,.9);
  --shadow-hover:0 1px 0 rgba(255,255,255,.08) inset,0 18px 40px -24px rgba(0,0,0,.9),0 0 0 1px rgba(77,156,255,.18),0 0 32px -12px rgba(77,156,255,.55);
  --ease:cubic-bezier(.2,.7,.2,1);
  --bs-body-bg:#05080F;
  --bs-body-color:#E8EFFA;
  --bs-border-color:rgba(126,170,255,.16);
  --bs-border-radius:.75rem;
  --bs-primary:#4D9CFF;
  --bs-primary-rgb:77,156,255;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --bs-link-color:#4D9CFF;
  --bs-link-hover-color:#8FC0FF;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg-0);
  color:var(--text);
  font-size:15px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(72% 58% at 50% 6%,#000 12%,transparent 92%);
  mask-image:radial-gradient(72% 58% at 50% 6%,#000 12%,transparent 92%);
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  background:radial-gradient(60% 50% at 80% 0%,rgba(77,156,255,.16),transparent 70%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;border-radius:10px}
a{color:var(--primary);text-decoration:none;transition:color 220ms var(--ease)}
a:hover{color:#8FC0FF}
button,input,select,textarea{font-family:inherit}
.container{max-width:1200px;width:100%;margin:0 auto;padding-left:20px;padding-right:20px}
/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(5,8,15,.78);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:14px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:700;
  letter-spacing:-.01em;
  font-size:17px;
}
.brand:hover{color:var(--text)}
.brand-mark{
  width:32px;
  height:32px;
  border-radius:10px;
  background:linear-gradient(160deg,rgba(77,156,255,.28),rgba(255,255,255,.06));
  border:1px solid var(--line-strong);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 0 22px -14px rgba(77,156,255,.9);
  flex:0 0 auto;
}
.brand-mark svg{width:18px;height:18px;stroke:var(--primary);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.brand-chip{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:12px;
  letter-spacing:.04em;
  white-space:nowrap;
}
.nav-spacer{flex:1 1 auto}
.btn-glow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:var(--accent);
  color:#120A04;
  font-weight:700;
  font-size:15px;
  border:0;
  border-radius:12px;
  padding:13px 22px;
  cursor:pointer;
  white-space:nowrap;
  box-shadow:0 0 0 1px rgba(255,138,61,.55),0 10px 30px -8px rgba(255,138,61,.55);
  transition:background 220ms var(--ease),box-shadow 220ms var(--ease),transform 220ms var(--ease),opacity 220ms var(--ease);
}
.btn-glow:hover{background:var(--accent-strong);color:#120A04;box-shadow:0 0 0 1px rgba(255,160,94,.7),0 0 44px -10px rgba(255,138,61,.85);transform:translateY(-1px)}
.btn-glow:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(255,138,61,.5),0 6px 16px -8px rgba(255,138,61,.6)}
.btn-glow:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.btn-glow:disabled,.btn-glow.disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}
.nav-cta{padding:11px 18px;font-size:14px}
.cta-short{display:none}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:transparent;
  color:var(--primary);
  border:1px solid var(--line-strong);
  border-radius:12px;
  padding:12px 21px;
  font-weight:600;
  font-size:15px;
  cursor:pointer;
  transition:background 220ms var(--ease),border-color 220ms var(--ease),color 220ms var(--ease),transform 220ms var(--ease);
}
.btn-ghost:hover{background:rgba(77,156,255,.12);border-color:var(--primary);color:#BBD9FF}
.btn-ghost:active{transform:translateY(1px)}
.btn-ghost:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.btn-ghost:disabled{opacity:.45;cursor:not-allowed}
/* ---------- 通用板块 ---------- */
main{position:relative;z-index:1}
.section{padding:88px 0;position:relative}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-deep{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:36px;max-width:720px}
.sec-head h2{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.2;
  font-weight:700;
  margin:0 0 12px;
  padding-left:14px;
  position:relative;
  letter-spacing:-.01em;
}
.sec-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:3px;
  height:18px;
  border-radius:2px;
  background:var(--accent);
}
.sec-head p{color:var(--text-2);font-size:14.5px;margin:0}
.glass-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  box-shadow:var(--shadow-card);
}
/* ---------- 分类头部 ---------- */
.cat-head{
  position:relative;
  overflow:hidden;
  padding:44px 0 54px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,13,24,.93),rgba(5,8,15,.98)),url('/assets/images/21dd105075874081.jpg') center/cover no-repeat;
}
.cat-head .container{position:relative;z-index:1}
.cat-head-grid{display:grid;grid-template-columns:1.5fr .86fr;gap:44px;align-items:center}
.crumb{list-style:none;display:flex;gap:8px;align-items:center;padding:0;margin:0 0 16px;font-size:13px;color:var(--text-3);flex-wrap:wrap}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:var(--text-3);opacity:.55}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--primary)}
.cat-title{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.2;
  font-weight:700;
  margin:0 0 14px;
  letter-spacing:-.01em;
}
.cat-title em{font-style:normal;color:var(--primary)}
.cat-sub{color:var(--text-2);font-size:15px;margin:0 0 22px;max-width:640px}
.stat-chips{display:flex;flex-wrap:wrap;gap:12px}
.stat-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
}
.stat-chip b{
  font-family:ui-monospace,"DIN Alternate",monospace;
  color:var(--accent);
  font-size:15px;
  font-weight:700;
  letter-spacing:-.02em;
}
.cat-cover{padding:14px;border-radius:var(--r-lg)}
.cover-frame{position:relative;aspect-ratio:3/2;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:var(--bg-2)}
.cover-frame img{width:100%;height:100%;object-fit:cover;border-radius:0}
.attr-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0 0;padding:0}
.attr-list>div{padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.035);border:1px solid var(--line)}
.attr-list dt{font-size:12px;color:var(--text-3);margin-bottom:2px;font-weight:400}
.attr-list dd{margin:0;font-size:13.5px;color:var(--text);font-weight:600}
/* ---------- 工具条 ---------- */
.toolbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:16px 18px;
  border-radius:var(--r-md);
}
.pill-group{display:flex;gap:8px;flex-wrap:wrap}
.pill{
  background:transparent;
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:13.5px;
  padding:7px 16px;
  border-radius:999px;
  cursor:pointer;
  transition:background 220ms var(--ease),border-color 220ms var(--ease),color 220ms var(--ease);
  white-space:nowrap;
}
.pill:hover{border-color:var(--line-strong);color:var(--text)}
.pill:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.pill.active{background:rgba(77,156,255,.16);border-color:var(--line-strong);color:#CFE3FF;box-shadow:0 0 0 1px rgba(77,156,255,.2)}
.sort-wrap{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}
.sort-select{
  appearance:none;
  -webkit-appearance:none;
  background-color:var(--bg-2);
  border:1px solid var(--line);
  color:var(--text);
  border-radius:10px;
  font-size:13.5px;
  padding:8px 34px 8px 12px;
  min-width:150px;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 4.5 6 8.5l4-4' fill='none' stroke='%236E8099' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 12px center;
  background-size:12px;
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.sort-select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,138,61,.18);color:var(--text);outline:none}
/* ---------- 条目卡片 ---------- */
.item-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.item-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  box-shadow:var(--shadow-card);
  padding:14px 14px 16px;
  display:flex;
  flex-direction:column;
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.item-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.item-thumb{
  position:relative;
  aspect-ratio:16/9;
  border-radius:12px;
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg-2);
  margin-bottom:14px;
}
.item-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0}
.badge-cat{
  position:absolute;
  left:10px;
  top:10px;
  padding:3px 10px;
  border-radius:999px;
  font-size:11.5px;
  font-weight:600;
  color:#DCE9FF;
  background:rgba(6,12,24,.72);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(8px);
  letter-spacing:.02em;
}
.item-title{
  font-size:16px;
  line-height:1.45;
  font-weight:600;
  margin:0 0 8px;
  color:var(--text);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.item-desc{
  font-size:13.5px;
  line-height:1.7;
  color:var(--text-2);
  margin:0 0 14px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.item-meta{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--text-3);
}
.item-meta .mono{font-family:ui-monospace,"DIN Alternate",monospace;color:var(--text-2);letter-spacing:-.02em}
.item-meta .arrow{margin-left:auto;color:var(--primary);display:inline-flex;align-items:center;transition:transform 220ms var(--ease)}
.item-card:hover .item-meta .arrow{transform:translateX(3px)}
.item-meta svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
/* ---------- 标签块 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag-pill{
  display:inline-flex;
  align-items:center;
  padding:7px 16px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:13px;
  transition:border-color 220ms var(--ease),color 220ms var(--ease),background 220ms var(--ease);
}
.tag-pill:hover{border-color:var(--line-strong);color:var(--text);background:rgba(77,156,255,.08)}
/* ---------- 通道与格式 ---------- */
.channel-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start}
.channel-list{display:flex;flex-direction:column;gap:14px}
.channel-item{display:flex;gap:14px;padding:18px;border-radius:var(--r-md);background:var(--glass);border:1px solid var(--line);box-shadow:var(--shadow-card);transition:border-color 220ms var(--ease),transform 220ms var(--ease)}
.channel-item:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.channel-icon{
  flex:0 0 auto;
  width:40px;height:40px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(77,156,255,.12);
  border:1px solid var(--line);
}
.channel-icon svg{width:20px;height:20px;stroke:var(--primary);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.channel-item h3{font-size:15.5px;font-weight:600;margin:0 0 4px;color:var(--text)}
.channel-item p{font-size:13.5px;color:var(--text-2);margin:0;line-height:1.7}
.format-card{padding:22px}
.format-card h3{font-size:16px;font-weight:600;margin:0 0 16px;color:var(--text);display:flex;align-items:center;gap:8px}
.format-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--primary)}
.format-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0;padding:0}
.format-list>div{padding:12px;border-radius:12px;background:rgba(255,255,255,.035);border:1px solid var(--line)}
.format-list dt{font-size:12px;color:var(--text-3);margin-bottom:4px;font-weight:400}
.format-list dd{
  margin:0;
  font-family:ui-monospace,"DIN Alternate",monospace;
  font-size:13.5px;
  font-weight:700;
  color:var(--primary);
  letter-spacing:-.02em;
  line-height:1.5;
}
/* ---------- 更新节奏 ---------- */
.flow{list-style:none;margin:0;padding:0 0 0 22px;position:relative}
.flow::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:1px;background:linear-gradient(180deg,rgba(77,156,255,.5),rgba(126,170,255,.08))}
.flow li{position:relative;padding:0 0 22px 6px}
.flow li:last-child{padding-bottom:0}
.flow li::before{
  content:"";
  position:absolute;
  left:-21px;
  top:9px;
  width:9px;height:9px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 3px rgba(77,156,255,.16),0 0 14px rgba(77,156,255,.7);
}
.flow-date{font-family:ui-monospace,"DIN Alternate",monospace;font-size:12.5px;color:var(--accent);font-weight:700;letter-spacing:-.02em;display:block;margin-bottom:3px}
.flow-text{font-size:14px;color:var(--text-2);margin:0;line-height:1.7}
.flow-text b{color:var(--text);font-weight:600}
/* ---------- FAQ ---------- */
.faq-acc .accordion-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:16px;
  margin-bottom:12px;
  overflow:hidden;
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  box-shadow:var(--shadow-card);
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.faq-acc .accordion-item:last-child{margin-bottom:0}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed)){border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.faq-acc .accordion-button{
  background:transparent;
  color:var(--text);
  font-size:15px;
  font-weight:600;
  padding:15px 52px 15px 18px;
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  box-shadow:none;
  border-radius:16px;
  transition:background 220ms var(--ease),color 220ms var(--ease);
}
.faq-acc .accordion-button:focus{border:0;box-shadow:inset 0 0 0 2px rgba(77,156,255,.4)}
.faq-acc .accordion-button:not(.collapsed){
  background:rgba(77,156,255,.06);
  color:#CFE3FF;
  box-shadow:inset 3px 0 0 var(--accent);
}
.faq-acc .accordion-button::before{
  content:"";
  position:absolute;
  right:17px;
  top:50%;
  width:12px;height:2px;
  border-radius:2px;
  background:var(--primary);
  transform:translateY(-50%);
}
.faq-acc .accordion-button::after{
  content:"";
  position:absolute;
  right:22px;
  top:50%;
  width:2px;height:12px;
  margin:0;
  border-radius:2px;
  background:var(--primary);
  background-image:none;
  transform:translateY(-50%);
  transition:transform 220ms var(--ease),opacity 220ms var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::after{opacity:0;transform:translateY(-50%) rotate(90deg)}
.q-mark{
  flex:0 0 auto;
  width:22px;height:22px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:6px;
  background:rgba(255,138,61,.14);
  border:1px solid rgba(255,138,61,.4);
  color:var(--accent);
  font-size:12px;
  font-weight:700;
  font-family:ui-monospace,"DIN Alternate",monospace;
}
.faq-acc .accordion-body{
  padding:0 20px 18px 50px;
  color:var(--text-2);
  font-size:14px;
  line-height:1.8;
}
/* ---------- 相关阅读 ---------- */
.read-list{display:flex;flex-direction:column;gap:10px;margin-bottom:26px}
.read-item{
  display:flex;
  align-items:center;
  gap:14px;
  padding:15px 18px;
  border-radius:14px;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),background 220ms var(--ease);
}
.read-item:hover{transform:translateX(4px);border-color:var(--line-strong);background:rgba(77,156,255,.07);color:var(--text)}
.read-title{font-size:14.5px;font-weight:600;flex:1 1 auto;line-height:1.5}
.read-date{font-family:ui-monospace,"DIN Alternate",monospace;font-size:12.5px;color:var(--text-3);flex:0 0 auto}
.read-arrow{flex:0 0 auto;color:var(--primary);display:inline-flex}
.read-arrow svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.read-empty{
  text-align:center;
  padding:28px 16px;
  border-radius:14px;
  border:1px dashed var(--line-strong);
  color:var(--text-3);
  font-size:14px;
  margin-bottom:26px;
}
.center-cta{display:flex;justify-content:center}
/* ---------- 表单 ---------- */
.convert-wrap{padding:24px}
.form-label{font-size:13px;color:var(--text-2);margin-bottom:6px;font-weight:500}
.form-control,.form-select{
  background:rgba(6,12,24,.72);
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--text);
  font-size:14px;
  padding:11px 14px;
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease);
}
.form-control::placeholder{color:var(--text-3)}
.form-control:focus,.form-select:focus{
  background:rgba(6,12,24,.92);
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(255,138,61,.18),0 0 22px -8px rgba(255,138,61,.6);
  color:var(--text);
  outline:none;
}
.form-select option{background:#0C1424;color:var(--text)}
/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  z-index:1;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:64px 0 24px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:700;
  font-size:17px;
  letter-spacing:-.01em;
  margin-bottom:14px;
}
.footer-brand:hover{color:var(--text)}
.footer-desc{color:var(--text-2);font-size:13.5px;line-height:1.8;margin:0 0 16px;max-width:360px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-chip{font-size:12px;padding:4px 12px;border-radius:999px;border:1px solid var(--line);color:var(--text-2);background:var(--glass)}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text);margin:0 0 14px;letter-spacing:.02em}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{color:var(--text-2);font-size:13.5px}
.footer-col a:hover{color:var(--primary)}
.footer-col span{color:var(--text-3);font-size:13.5px}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--line);
  color:var(--text-3);
  font-size:12.5px;
}
.fb-right{display:inline-flex;gap:16px;flex-wrap:wrap}
/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .cat-head-grid{grid-template-columns:1.3fr .9fr;gap:32px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .cat-head{padding:36px 0 46px}
  .cat-head-grid{grid-template-columns:1fr;gap:28px}
  .cat-cover{max-width:460px}
  .item-grid{grid-template-columns:repeat(2,1fr)}
  .channel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .nav-wrap{min-height:64px}
  .cta-full{display:none}
  .cta-short{display:inline}
  .nav-cta{padding:9px 16px;font-size:14px;border-radius:10px}
  .brand-chip{display:none}
  .toolbar{flex-direction:column;align-items:stretch;gap:12px}
  .pill-group{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;width:100%;scrollbar-width:none}
  .pill-group::-webkit-scrollbar{height:0}
  .sort-wrap{justify-content:space-between}
  .sort-select{flex:1 1 auto}
  .read-date{display:none}
  .faq-acc .accordion-button{font-size:14px;padding:14px 46px 14px 16px}
  .faq-acc .accordion-body{padding:0 16px 16px 16px}
}
@media (max-width:639px){
  .item-grid{grid-template-columns:1fr}
}
@media (max-width:576px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:48px 0}
  .cat-head{padding:28px 0 38px}
  .item-card{border-radius:14px}
  .glass-card,.channel-item,.format-card{border-radius:14px}
  .format-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:10px}
  .attr-list{grid-template-columns:1fr}
  .stat-chip{font-size:12px;padding:6px 14px}
}