/* roulang page: index */
:root{
  --bg-base:#05070E;
  --bg-deep:#0A1120;
  --surface:rgba(16,26,46,.62);
  --surface-2:rgba(24,36,60,.72);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#2E6BFF;
  --brand-deep:#0F2A5C;
  --accent:#22E0C8;
  --warm:#FFB03A;
  --live:#FF4D6A;
  --text-1:#EAF0FF;
  --text-2:#9FB0CC;
  --text-3:#6C7C99;
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --ease:0.25s cubic-bezier(.2,.7,.3,1);
  --side-w:240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3;color:var(--text-1);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--accent);}
img{max-width:100%;display:block;}
button,input,textarea{font-family:inherit;font-size:inherit;}
button{border:0;background:none;cursor:pointer;color:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(46,107,255,.4);color:#fff;}

/* ============ 布局骨架 ============ */
.side-nav{
  display:none;
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--side-w);
  z-index:60;
  flex-direction:column;
  background:var(--surface);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-right:1px solid var(--line);
}
.side-brand{
  padding:26px 22px 20px;
  border-bottom:1px solid var(--line);
}
.brand-mark{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--text-1);
}
.brand-mark .dot{
  width:10px;height:10px;border-radius:3px;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  box-shadow:0 0 12px rgba(46,107,255,.7);
  flex:none;
}
.brand-mark:hover{color:var(--text-1);}
.brand-sub{margin-top:8px;font-size:12px;color:var(--text-3);letter-spacing:.06em;}
.side-menu{padding:16px 12px;flex:1;overflow-y:auto;}
.side-menu a{
  position:relative;
  display:flex;align-items:center;gap:12px;
  height:44px;
  padding:0 14px;
  margin-bottom:4px;
  border-radius:10px;
  font-size:15px;
  color:var(--text-2);
  transition:color var(--ease),background var(--ease),transform var(--ease);
}
.side-menu a i{width:18px;text-align:center;font-size:14px;color:var(--text-3);transition:color var(--ease);}
.side-menu a:hover{color:var(--text-1);background:rgba(255,255,255,.04);transform:translateX(2px);}
.side-menu a:hover i{color:var(--accent);}
.side-menu a.is-active{
  color:var(--text-1);
  background:linear-gradient(90deg,rgba(46,107,255,.26),rgba(46,107,255,.06));
  box-shadow:0 0 18px rgba(46,107,255,.22);
}
.side-menu a.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;
  background:var(--accent);
}
.side-menu a.is-active i{color:var(--accent);}
.side-foot{padding:18px 22px 22px;border-top:1px solid var(--line);}
.side-foot .mini-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:40px;border-radius:10px;
  font-size:14px;font-weight:600;
  color:#04121A;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  transition:transform var(--ease),box-shadow var(--ease);
}
.side-foot .mini-cta:hover{color:#04121A;transform:translateY(-2px);box-shadow:0 8px 22px rgba(46,107,255,.45);}
.side-foot .copy{margin-top:14px;font-size:12px;color:var(--text-3);line-height:1.6;}

.mobile-bar{
  position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;
  background:var(--surface-2);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.mobile-bar .brand-mark{font-size:15px;}
.burger{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--line);color:var(--text-1);font-size:16px;
  transition:border-color var(--ease),color var(--ease);
}
.burger:hover{border-color:var(--accent);color:var(--accent);}

.drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(3,5,12,.72);
  backdrop-filter:blur(6px);
  opacity:0;pointer-events:none;
  transition:opacity var(--ease);
}
.drawer.is-open{opacity:1;pointer-events:auto;}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;
  width:min(84vw,340px);
  background:var(--bg-deep);
  border-left:1px solid var(--line);
  padding:22px 18px;
  display:flex;flex-direction:column;
  transform:translateX(100%);
  transition:transform var(--ease);
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head .brand-mark{font-size:16px;}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--text-2);
}
.drawer-close:hover{color:var(--accent);border-color:var(--accent);}
.drawer-nav a{
  display:flex;align-items:center;gap:12px;
  height:52px;padding:0 14px;margin-bottom:6px;
  border-radius:12px;font-size:16px;color:var(--text-2);
  border:1px solid transparent;
}
.drawer-nav a:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.drawer-nav a.is-active{
  color:var(--text-1);
  background:linear-gradient(90deg,rgba(46,107,255,.25),transparent);
  border-color:rgba(46,107,255,.35);
}
.drawer-nav a.is-active i{color:var(--accent);}

.main{margin-left:0;padding-top:56px;min-height:100vh;}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 20px;}

/* ============ 通用组件 ============ */
.section{padding:56px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(20px,2.4vw,28px);font-weight:800;}
.sec-head .sec-desc{margin-top:8px;font-size:14px;color:var(--text-2);}
.sec-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--accent);white-space:nowrap;}
.sec-link:hover{color:var(--text-1);}
.sec-actions{display:flex;align-items:center;gap:14px;}

.badge{
  display:inline-block;
  padding:3px 10px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.04em;
  color:#BBD4FF;
  background:rgba(46,107,255,.16);
  border:1px solid rgba(46,107,255,.28);
  white-space:nowrap;
}
.badge-warm{color:#FFD79A;background:rgba(255,176,58,.14);border-color:rgba(255,176,58,.32);}
.badge-live{color:#FFC2CC;background:rgba(255,77,106,.14);border-color:rgba(255,77,106,.32);}
.badge-accent{color:#9DF3E7;background:rgba(34,224,200,.12);border-color:rgba(34,224,200,.3);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{
  color:#03111B;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  box-shadow:0 8px 22px rgba(46,107,255,.28);
}
.btn-primary:hover{color:#03111B;transform:translateY(-2px);box-shadow:0 8px 24px rgba(46,107,255,.45);}
.btn-ghost{
  color:var(--text-1);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.btn-ghost:hover{color:var(--accent);border-color:rgba(34,224,200,.5);transform:translateY(-2px);}
.btn-block{width:100%;}

/* ============ Hero ============ */
.hero{
  position:relative;
  min-height:clamp(420px,62vh,620px);
  display:flex;align-items:center;
  overflow:hidden;
  border-bottom-left-radius:26px;
  border-bottom-right-radius:26px;
}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;}
.hero-bg::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to right,rgba(3,5,12,.92) 0%,rgba(3,5,12,.62) 55%,rgba(3,5,12,.2) 100%);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,var(--bg-base) 0%,rgba(5,7,14,.4) 42%,rgba(5,7,14,.08) 100%),
             radial-gradient(circle at 82% 24%,rgba(34,224,200,.12),transparent 55%);
  opacity:.98;
}
.hero-noise{
  position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:5px 5px;
}
.hero-inner{
  position:relative;z-index:2;width:100%;max-width:1280px;margin:0 auto;
  padding:48px 20px;
  display:grid;grid-template-columns:1fr;gap:32px;align-items:center;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.2em;color:var(--accent);text-transform:uppercase;
  margin-bottom:16px;
}
.hero-eyebrow::before{content:"";width:26px;height:1px;background:var(--accent);opacity:.7;}
.hero h1{
  font-size:clamp(30px,4.2vw,52px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.02em;
  margin-bottom:16px;
}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--brand),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:16px;color:var(--text-2);max-width:520px;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px;}
.hero-meta{font-size:13px;color:var(--text-3);letter-spacing:.02em;}

.hero-card{
  width:100%;max-width:360px;
  background:rgba(12,20,38,.62);
  border:1px solid var(--line-strong);
  border-radius:18px;
  padding:18px;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:0 18px 48px rgba(0,0,0,.5);
  justify-self:start;
}
.hero-card-title{
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);letter-spacing:.08em;margin-bottom:14px;
}
.hero-card-title span{color:var(--accent);display:inline-flex;align-items:center;gap:6px;}
.hero-mini{display:flex;gap:12px;align-items:center;padding:9px 0;border-top:1px solid var(--line);}
.hero-mini:first-of-type{border-top:0;}
.hero-mini .idx{font-size:13px;font-weight:800;color:var(--text-3);width:20px;flex:none;}
.hero-mini img{
  width:96px;height:56px;flex:none;border-radius:10px;object-fit:cover;
  border:1px solid var(--line);background:var(--bg-deep);
}
.hero-mini .txt{font-size:13px;line-height:1.5;color:var(--text-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hero-mini .txt:hover{color:var(--accent);}

/* ============ 横滑片库 ============ */
.rail-arrows{display:flex;gap:8px;}
.rail-btn{
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);color:var(--text-2);
  display:flex;align-items:center;justify-content:center;
  transition:all var(--ease);
}
.rail-btn:hover{border-color:var(--accent);color:var(--accent);background:rgba(34,224,200,.08);}
.rail{
  display:flex;gap:20px;
  overflow-x:auto;overflow-y:hidden;
  scroll-snap-type:x mandatory;
  padding:6px 4px 18px;
  scrollbar-width:thin;
  scrollbar-color:rgba(46,107,255,.5) transparent;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-track{background:rgba(255,255,255,.04);border-radius:99px;}
.rail::-webkit-scrollbar-thumb{background:rgba(46,107,255,.55);border-radius:99px;}
.rail-item{
  flex:none;width:276px;scroll-snap-align:start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.rail-item:hover{transform:translateY(-4px);border-color:rgba(34,224,200,.42);box-shadow:var(--shadow);}
.rail-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-deep);}
.rail-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.rail-item:hover .rail-media img{transform:scale(1.04);}
.rail-media .badge{position:absolute;left:10px;top:10px;}
.rail-body{padding:14px 16px 16px;}
.rail-body h3{font-size:15px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:6px;}
.rail-body p{font-size:13px;color:var(--text-3);
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.rail-hint{display:block;margin-top:6px;font-size:12px;color:var(--text-3);text-align:center;}

/* ============ 热播推荐 ============ */
.hot-grid{display:grid;grid-template-columns:1fr;gap:22px;}
.hot-lead{
  position:relative;display:block;border-radius:18px;overflow:hidden;
  border:1px solid var(--line);background:var(--bg-deep);
  aspect-ratio:4/3;
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.hot-lead:hover{border-color:rgba(34,224,200,.42);transform:translateY(-4px);box-shadow:var(--shadow);}
.hot-lead img{width:100%;height:100%;object-fit:cover;opacity:.86;transition:transform .5s var(--ease);}
.hot-lead:hover img{transform:scale(1.03);}
.hot-rank{
  position:absolute;left:16px;top:16px;
  width:52px;height:52px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;color:var(--warm);
  background:rgba(6,10,20,.7);border:1px solid rgba(255,176,58,.5);
  backdrop-filter:blur(10px);
}
.hot-lead-info{
  position:absolute;left:0;right:0;bottom:0;padding:20px;
  background:linear-gradient(to top,rgba(4,7,14,.96),rgba(4,7,14,.5) 55%,transparent);
}
.hot-lead-info h3{font-size:19px;font-weight:800;margin-bottom:8px;}
.hot-lead-info p{font-size:13px;color:var(--text-2);}
.hot-list{border-top:1px solid var(--line);}
.hot-row{
  display:flex;align-items:center;gap:14px;
  padding:13px 10px;border-bottom:1px solid var(--line);
  border-radius:10px;
  transition:background var(--ease);
}
.hot-row:hover{background:rgba(255,255,255,.05);}
.hot-row .no{font-size:16px;font-weight:800;color:var(--text-3);width:26px;flex:none;transition:color var(--ease);}
.hot-row:hover .no{color:var(--accent);}
.hot-row img{width:76px;height:46px;flex:none;border-radius:9px;object-fit:cover;border:1px solid var(--line);background:var(--bg-deep);}
.hot-row .meta{flex:1;min-width:0;}
.hot-row .meta h4{font-size:14.5px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.hot-row .meta span{display:block;margin-top:5px;font-size:12px;color:var(--text-3);}
.hot-row .badge{flex:none;}

/* ============ D1 磁贴 ============ */
.tile-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px;}
.tile{
  position:relative;
  grid-column:span 12;
  min-height:150px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  padding:24px;
  display:flex;flex-direction:column;justify-content:space-between;
  overflow:hidden;
  background:var(--surface);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.tile:hover{transform:translateY(-4px);border-color:rgba(34,224,200,.42);box-shadow:var(--shadow);}
.tile-info{color:var(--text-1);font-size:15px;font-weight:600;position:relative;z-index:2;}
.tile-info strong{display:block;font-size:20px;font-weight:800;margin-bottom:8px;}
.tile .arrow{position:relative;z-index:2;color:var(--accent);font-size:18px;}
.tile-1{background:linear-gradient(140deg,rgba(46,107,255,.28),rgba(10,17,32,.9));}
.tile-2{background:linear-gradient(140deg,rgba(34,224,200,.2),rgba(10,17,32,.9));}
.tile-3{background:linear-gradient(140deg,rgba(255,176,58,.16),rgba(10,17,32,.9));}
.tile-4{background:linear-gradient(140deg,rgba(255,77,106,.16),rgba(10,17,32,.9));}
.tile-5{background:linear-gradient(140deg,rgba(15,42,92,.9),rgba(10,17,32,.92));}

/* ============ D2 片单卡 ============ */
.pack-grid{display:grid;grid-template-columns:1fr;gap:20px;}
.pack-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.pack-card:hover{transform:translateY(-4px);border-color:rgba(34,224,200,.42);box-shadow:var(--shadow);}
.pack-media{aspect-ratio:16/9;overflow:hidden;background:var(--bg-deep);}
.pack-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.pack-card:hover .pack-media img{transform:scale(1.04);}
.pack-body{padding:18px;display:flex;flex-direction:column;gap:12px;flex:1;}
.pack-body h3{font-size:17px;font-weight:700;}
.tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:12px;color:var(--text-2);letter-spacing:.03em;
  padding:3px 10px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.pack-progress{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);display:flex;justify-content:space-between;gap:10px;
}
.pack-progress b{color:var(--accent);font-weight:700;}

/* ============ D3 榜单 ============ */
.rank-cols{display:grid;grid-template-columns:1fr;gap:6px 40px;}
.rank-item{
  display:flex;align-items:baseline;gap:14px;
  padding:14px 4px;border-bottom:1px solid var(--line);
  transition:background var(--ease),padding-left var(--ease);
}
.rank-item:hover{background:rgba(255,255,255,.04);padding-left:10px;}
.rank-item .num{font-size:20px;font-weight:800;color:var(--text-3);width:34px;flex:none;transition:color var(--ease);}
.rank-item:hover .num{color:var(--accent);}
.rank-item .name{flex:1;font-size:15px;color:var(--text-1);min-width:0;}
.rank-item .note{font-size:12px;color:var(--text-3);white-space:nowrap;}

/* ============ 最新资讯 ============ */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px;}
.news-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(34,224,200,.42);box-shadow:var(--shadow);}
.news-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-deep);}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.news-card:hover .news-media img{transform:scale(1.04);}
.news-media .badge{position:absolute;left:10px;top:10px;}
.news-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{font-size:16.5px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body p{font-size:13.5px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-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{color:var(--accent);font-size:16px;transition:transform var(--ease);}
.news-card:hover .news-foot .go{transform:translateX(4px);}
.news-empty{
  grid-column:1/-1;
  min-height:220px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-card);
  text-align:center;padding:32px;
}
.news-empty i{font-size:26px;color:var(--text-3);}
.news-empty strong{font-size:16px;color:var(--text-1);font-weight:600;}
.news-empty span{font-size:13px;color:var(--text-3);}
.load-more{display:flex;justify-content:center;margin-top:34px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;}
.faq-accordion{background:transparent;}
.faq-accordion .accordion-item{
  background:rgba(14,22,40,.55);
  border:1px solid var(--line) !important;
  border-radius:var(--r-card) !important;
  margin-bottom:12px;
  overflow:hidden;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  transition:border-color var(--ease),background var(--ease);
}
.faq-accordion .accordion-item:hover{border-color:rgba(34,224,200,.35) !important;}
.faq-accordion .accordion-title{
  position:relative;
  padding:18px 52px 18px 22px;
  font-size:15.5px;font-weight:600;color:var(--text-1);
  border:0 !important;
  background:transparent !important;
  border-radius:0 !important;
  transition:color var(--ease),padding-left var(--ease);
}
.faq-accordion .accordion-title::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;
  background:var(--accent);opacity:0;transition:opacity var(--ease);
}
.faq-accordion .accordion-title:hover{color:var(--accent);padding-left:26px;}
.faq-accordion .accordion-title::after{
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  color:var(--text-3);font-size:13px;
}
.faq-accordion .is-active > .accordion-title{color:var(--accent);}
.faq-accordion .is-active > .accordion-title::before{opacity:1;}
.faq-accordion .accordion-content{
  padding:0 22px 20px;
  border:0 !important;
  background:transparent !important;
  color:var(--text-2);
  font-size:14.5px;line-height:1.85;
  border-radius:0 !important;
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  border-radius:20px;
  border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(46,107,255,.22),rgba(34,224,200,.1) 60%,rgba(10,17,32,.8));
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  padding:34px 28px;
  display:grid;grid-template-columns:1fr;gap:24px;align-items:center;
  overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,224,200,.25),transparent 70%);
}
.cta-band h2{font-size:clamp(19px,2.2vw,24px);font-weight:800;margin-bottom:8px;}
.cta-band p{font-size:14px;color:var(--text-2);}
.cta-form{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2;}
.cta-form input{
  flex:1 1 220px;height:46px;padding:0 16px;
  border-radius:var(--r-btn);
  border:1px solid var(--line-strong);
  background:rgba(8,14,28,.7);
  color:var(--text-1);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.cta-form input::placeholder{color:var(--text-3);}
.cta-form input:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(34,224,200,.16);
}
.cta-privacy{margin-top:14px;font-size:12px;color:var(--text-3);position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-foot{background:#070C18;border-top:1px solid var(--line);margin-top:40px;}
.foot-grid{
  display:grid;grid-template-columns:1fr;gap:32px;
  padding:56px 0 34px;
}
.foot-col h4{font-size:14px;font-weight:700;letter-spacing:.04em;margin-bottom:16px;color:var(--text-1);}
.foot-brand{margin-bottom:14px;}
.foot-brand-desc{font-size:14px;color:var(--text-2);line-height:1.85;max-width:320px;}
.foot-links li{margin-bottom:10px;}
.foot-links a{font-size:14px;color:var(--text-2);}
.foot-links a:hover{color:var(--accent);}
.foot-contact li{font-size:14px;color:var(--text-2);margin-bottom:10px;display:flex;gap:10px;align-items:flex-start;}
.foot-contact i{color:var(--accent);margin-top:5px;font-size:13px;}
.foot-sub-form{display:flex;gap:10px;flex-wrap:wrap;}
.foot-sub-form input{
  flex:1 1 150px;height:44px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:rgba(12,20,38,.8);color:var(--text-1);
}
.foot-sub-form input::placeholder{color:var(--text-3);}
.foot-sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(34,224,200,.14);}
.foot-sub-form button{
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;color:#03111B;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  transition:transform var(--ease),box-shadow var(--ease);
}
.foot-sub-form button:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(46,107,255,.4);}
.foot-bottom{
  border-top:1px solid var(--line);
  padding:20px 0;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media screen and (max-width:639px){
  .hero{min-height:380px;border-bottom-left-radius:18px;border-bottom-right-radius:18px;}
  .hero-inner{padding:36px 18px 42px;}
  .hero-cta .btn{width:100%;}
  .rail-item{width:206px;}
  .rail-arrows{display:none;}
  .rail-hint{display:block;}
  .section{padding:48px 0;}
  .cta-band{padding:26px 20px;}
  .cta-form .btn{width:100%;}
}
@media screen and (min-width:640px){
  .hero-inner{padding:56px 24px;}
  .tile-2,.tile-3,.tile-5{grid-column:span 6;}
  .tile-1,.tile-4{grid-column:span 6;}
  .pack-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .rank-cols{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:repeat(2,1fr);}
  .cta-form .btn{width:auto;}
}
@media screen and (min-width:1024px){
  .side-nav{display:flex;}
  .mobile-bar{display:none;}
  .drawer{display:none;}
  .main{margin-left:var(--side-w);padding-top:0;}
  .wrap{padding:0 32px;}
  .hero-inner{grid-template-columns:minmax(0,1.5fr) minmax(0,.9fr);padding:72px 32px;gap:44px;}
  .hero-card{justify-self:end;}
  .section{padding:76px 0;}
  .hot-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:26px;}
  .tile-1,.tile-4{grid-column:span 6;}
  .tile-2,.tile-3,.tile-5{grid-column:span 3;}
  .pack-grid{grid-template-columns:repeat(3,1fr);}
  .news-grid{grid-template-columns:repeat(3,1fr);}
  .cta-band{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);padding:40px 36px;}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
}
@media screen and (min-width:1440px){
  :root{--side-w:264px;}
  .wrap{max-width:1360px;}
  .hero-inner{max-width:1360px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --bg-base:#05070E;
  --bg-deep:#0A1120;
  --surface:rgba(16,26,46,.62);
  --surface-2:rgba(24,36,60,.72);
  --line:rgba(255,255,255,.08);
  --brand:#2E6BFF;
  --brand-deep:#0F2A5C;
  --accent:#22E0C8;
  --warm:#FFB03A;
  --live:#FF4D6A;
  --text-1:#EAF0FF;
  --text-2:#9FB0CC;
  --text-3:#6C7C99;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --ease:0.25s cubic-bezier(.2,.7,.3,1);
  --rail-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
.bg-layer{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(900px 520px at 12% -6%, rgba(46,107,255,.20), transparent 62%),
    radial-gradient(760px 460px at 92% 6%, rgba(34,224,200,.10), transparent 60%),
    linear-gradient(180deg,#05070E 0%,#070B16 48%,#05070E 100%);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease),box-shadow var(--ease)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
p{margin:0 0 1.2em}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
::selection{background:rgba(46,107,255,.45);color:#fff}

/* ============ 左侧竖栏导航 ============ */
.side-rail{
  position:fixed;top:0;left:0;bottom:0;width:var(--rail-w);
  display:flex;flex-direction:column;gap:22px;
  padding:26px 18px 20px;
  background:var(--surface);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-right:1px solid var(--line);
  box-shadow:inset -1px 0 0 rgba(255,255,255,.04);
  z-index:40;
}
.brand-mark{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--text-1);
}
.brand-mark .dot{
  width:10px;height:10px;border-radius:3px;flex:none;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  box-shadow:0 0 14px rgba(46,107,255,.85);
}
.brand-mark:hover{color:#fff}
.rail-brand{padding:0 6px 4px}
.side-menu{display:flex;flex-direction:column;gap:6px}
.side-menu a{
  position:relative;display:flex;align-items:center;gap:11px;
  height:44px;padding:0 12px;border-radius:10px;
  color:var(--text-2);font-size:14.5px;
}
.side-menu a i{width:18px;text-align:center;font-size:14px;color:var(--text-3);transition:color var(--ease)}
.side-menu a:hover{color:var(--text-1);background:rgba(46,107,255,.10);transform:translateX(2px)}
.side-menu a:hover i{color:var(--accent)}
.side-menu a.is-active{
  color:#fff;
  background:linear-gradient(90deg,rgba(46,107,255,.26),rgba(46,107,255,.04));
  box-shadow:0 0 18px rgba(46,107,255,.18);
}
.side-menu a.is-active i{color:var(--accent)}
.side-menu a.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;
  background:var(--accent);box-shadow:0 0 10px var(--accent);
}
.rail-extra{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.rail-note{font-size:12.5px;line-height:1.7;color:var(--text-3);margin:0;padding:0 6px}
.rail-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:40px;border-radius:10px;font-size:13.5px;color:var(--text-1);
  background:rgba(46,107,255,.14);border:1px solid rgba(46,107,255,.30);
}
.rail-cta:hover{background:rgba(46,107,255,.24);border-color:rgba(34,224,200,.5);color:#fff}
.rail-foot{padding:0 6px;font-size:12px;color:var(--text-3);border-top:1px solid var(--line);padding-top:12px}

/* ============ 移动端顶部条与抽屉 ============ */
.mobile-bar{
  position:fixed;top:0;left:0;right:0;height:56px;z-index:50;
  display:none;align-items:center;justify-content:space-between;
  padding:0 16px;
  background:rgba(10,17,32,.74);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-toggle{
  width:44px;height:44px;border-radius:10px;display:grid;place-items:center;
  color:var(--text-1);background:rgba(46,107,255,.14);border:1px solid rgba(46,107,255,.28);
}
.nav-toggle:hover{background:rgba(46,107,255,.26)}
.drawer{
  position:fixed;inset:0;z-index:60;display:none;
  padding:18px 18px 26px;
  background:rgba(5,7,14,.9);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.drawer.open{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer .side-menu a{height:54px;font-size:16px;gap:14px}
.drawer .side-menu a i{font-size:16px}
.drawer-close{width:44px;height:44px;border-radius:10px;display:grid;place-items:center;border:1px solid var(--line);color:var(--text-1)}

/* ============ 布局容器 ============ */
.main-area{position:relative;z-index:1;padding-left:var(--rail-w);min-height:100vh;display:flex;flex-direction:column}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 40px}
main{flex:1 1 auto}

/* ============ 面包屑与文章头部 ============ */
.page-head{padding:44px 0 8px}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:20px;
}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--accent)}
.crumbs span{color:var(--text-3)}
.crumb-current{
  max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-2);
}
.article-h1{
  font-size:clamp(26px,3.4vw,38px);
  line-height:1.32;font-weight:800;color:#fff;
  max-width:900px;margin-bottom:20px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  padding-bottom:22px;border-bottom:1px solid var(--line);
}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;
  color:#D7E4FF;background:rgba(46,107,255,.16);
  border:1px solid rgba(46,107,255,.28);
}
.pill.warm{color:#FFE2B4;background:rgba(255,176,58,.14);border-color:rgba(255,176,58,.30)}
.meta-item{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--text-2)}
.meta-item i{color:var(--text-3)}
.share-group{margin-left:auto;display:inline-flex;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  color:var(--text-2);background:rgba(24,36,60,.6);border:1px solid var(--line);
  transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease);
}
.icon-btn:hover{color:var(--accent);border-color:rgba(34,224,200,.45);transform:translateY(-2px)}
.icon-btn:active{transform:translateY(0)}

/* ============ 正文区两栏 ============ */
.article-body{padding:38px 0 0}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:46px;align-items:start}
.article-cover{margin:0 0 32px;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);position:relative}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}
.article-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,14,0) 40%,rgba(5,7,14,.55) 100%)}

.entry{max-width:760px;font-size:17px;line-height:1.9;color:#DDE5F5}
.entry p{margin:0 0 1.4em}
.entry h2{
  position:relative;font-size:24px;font-weight:700;color:#fff;
  margin:2.2em 0 .9em;padding-left:16px;
}
.entry h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:3px;
  background:var(--accent);box-shadow:0 0 10px rgba(34,224,200,.6);
}
.entry h3{font-size:19px;font-weight:700;color:#BFD2F5;margin:1.8em 0 .8em}
.entry blockquote{
  margin:1.8em 0;padding:18px 22px;border-radius:0 12px 12px 0;
  border-left:3px solid rgba(34,224,200,.55);
  background:rgba(24,36,60,.5);color:var(--text-2);
}
.entry blockquote p:last-child{margin-bottom:0}
.entry ul,.entry ol{padding-left:1.4em;margin:0 0 1.4em}
.entry ul{list-style:disc}
.entry ol{list-style:decimal}
.entry li{margin:.5em 0}
.entry li::marker{color:var(--accent)}
.entry img{border-radius:var(--radius-img);border:1px solid var(--line);margin:1.8em auto;box-shadow:var(--shadow)}
.entry figure{margin:1.8em 0}
.entry figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.entry a{color:var(--accent);border-bottom:1px solid rgba(34,224,200,.35)}
.entry a:hover{color:#7FF3E3;border-bottom-color:rgba(34,224,200,.8)}
.entry table{width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0}
.entry th,.entry td{border-bottom:1px solid var(--line);padding:11px 12px;text-align:left;color:var(--text-2)}
.entry th{color:var(--text-1);font-weight:600}
.entry hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}
.entry code{background:rgba(24,36,60,.8);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:15px;color:#9FE9DC}

/* ============ 空态 ============ */
.empty-state{
  min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;padding:36px 24px;
  border:1px dashed rgba(255,255,255,.16);border-radius:var(--radius-card);
  background:rgba(16,26,46,.4);
}
.empty-state i{font-size:28px;color:var(--text-3)}
.empty-state strong{font-size:17px;color:var(--text-1);font-weight:700}
.empty-state span{font-size:13.5px;color:var(--text-2)}
.empty-state a{
  margin-top:6px;display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;
  border-radius:var(--radius-btn);font-size:14px;
  background:linear-gradient(135deg,var(--brand),var(--accent));color:#04121C;font-weight:700;
}

/* ============ 标签组 ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:38px 0 0;padding-top:26px;border-top:1px solid var(--line)}
.tag-row .tag{
  display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 14px;border-radius:999px;
  font-size:13px;color:var(--text-2);background:rgba(24,36,60,.55);border:1px solid var(--line);
}
.tag-row .tag:hover{color:var(--accent);border-color:rgba(34,224,200,.4)}

/* ============ 侧栏 ============ */
.article-aside{position:sticky;top:32px;display:flex;flex-direction:column;gap:18px}
.aside-card{
  border-radius:var(--radius-card);border:1px solid var(--line);
  background:var(--surface-2);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  padding:20px 18px;box-shadow:var(--shadow);
}
.aside-title{
  font-size:13px;letter-spacing:.14em;color:var(--text-3);font-weight:600;
  text-transform:uppercase;margin-bottom:14px;display:flex;align-items:center;gap:8px;
}
.aside-title::before{content:"";width:3px;height:12px;border-radius:3px;background:var(--accent);display:inline-block}
.toc{display:flex;flex-direction:column;gap:2px;max-height:320px;overflow:auto}
.toc a{
  display:block;font-size:13.5px;color:var(--text-2);padding:8px 10px;border-radius:8px;
  border-left:2px solid transparent;line-height:1.5;
}
.toc a:hover{color:var(--text-1);background:rgba(46,107,255,.12);border-left-color:var(--accent)}
.toc-empty{font-size:13px;color:var(--text-3)}
.aside-links{display:flex;flex-direction:column;gap:4px}
.aside-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:var(--text-2);padding:10px 10px;border-radius:9px;
}
.aside-links a i{font-size:12px;color:var(--text-3)}
.aside-links a:hover{color:#fff;background:rgba(46,107,255,.12)}
.aside-links a:hover i{color:var(--accent)}
.aside-sub p{font-size:13px;color:var(--text-2);margin:0 0 12px}
.aside-sub form{display:flex;flex-direction:column;gap:10px}
.field{
  height:44px;border-radius:var(--radius-btn);padding:0 14px;width:100%;
  background:rgba(5,7,14,.65);border:1px solid var(--line);color:var(--text-1);font-size:14px;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field::placeholder{color:var(--text-3)}
.field:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(34,224,200,.16);background:rgba(5,7,14,.9)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:14.5px;font-weight:600;letter-spacing:.01em;
  background:linear-gradient(135deg,var(--brand),var(--accent));color:#04121C;
  box-shadow:0 6px 18px rgba(46,107,255,.35);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(46,107,255,.45);filter:saturate(1.08)}
.btn:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(255,255,255,.04);color:var(--text-1);
  border:1px solid rgba(255,255,255,.16);box-shadow:none;
}
.btn-ghost:hover{background:rgba(46,107,255,.14);border-color:rgba(34,224,200,.45);box-shadow:0 8px 22px rgba(0,0,0,.4)}
.btn-block{width:100%}

/* ============ 上一篇 / 下一篇两卡 ============ */
.nav-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:44px}
.nav-card{
  display:flex;flex-direction:column;gap:8px;
  padding:22px;border-radius:var(--radius-card);
  border:1px solid var(--line);background:rgba(16,26,46,.55);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.nav-card small{font-size:12px;letter-spacing:.12em;color:var(--text-3)}
.nav-card strong{font-size:16px;color:var(--text-1);font-weight:700}
.nav-card span{font-size:13.5px;color:var(--text-2)}
.nav-card i{color:var(--accent);font-size:13px}
.nav-card:hover{transform:translateY(-4px);border-color:rgba(34,224,200,.45);box-shadow:0 10px 30px rgba(0,0,0,.5),0 0 22px rgba(46,107,255,.22)}
.nav-card:hover strong{color:#fff}

/* ============ 相关推荐 ============ */
.section{padding:64px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:26px;flex-wrap:wrap}
.section-head h2{font-size:clamp(20px,2.4vw,26px);font-weight:800;color:#fff}
.section-head p{font-size:13.5px;color:var(--text-2);margin:6px 0 0}
.text-link{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--accent)}
.text-link:hover{color:#8FF6E7;gap:11px}
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.tile{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius-card);border:1px solid var(--line);
  background:rgba(16,26,46,.55);box-shadow:var(--shadow);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.tile:hover{transform:translateY(-4px);border-color:rgba(34,224,200,.42);box-shadow:0 14px 34px rgba(0,0,0,.5),0 0 20px rgba(46,107,255,.18)}
.tile-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:linear-gradient(135deg,#0E1830,#16233D)}
.tile-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.tile:hover .tile-media img{transform:scale(1.04)}
.tile-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,14,0) 45%,rgba(5,7,14,.7) 100%)}
.tile-body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:9px;flex:1 1 auto}
.tile-body h3{font-size:15.5px;line-height:1.5;color:var(--text-1);font-weight:700}
.tile-body p{font-size:13px;color:var(--text-2);line-height:1.7;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tile-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3)}
.tile-foot i{color:var(--accent)}

/* ============ CTA 条 ============ */
.cta-band{padding:72px 0 0}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  padding:30px 32px;border-radius:var(--radius-card);
  background:rgba(24,36,60,.62);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.08);
}
.cta-text h2{font-size:20px;font-weight:800;color:#fff;margin-bottom:6px}
.cta-text p{font-size:13.5px;color:var(--text-2);margin:0}
.cta-form{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.cta-form .field{width:260px}
.cta-note{width:100%;font-size:12.5px;color:var(--text-3);margin:14px 0 0}

/* ============ 页脚 ============ */
.site-foot{
  margin-top:88px;background:#070B16;border-top:1px solid var(--line);
  position:relative;z-index:1;
}
.site-foot .wrap{padding-top:56px;padding-bottom:26px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1.1fr;gap:36px}
.foot-brand{margin-bottom:14px}
.foot-brand-desc{font-size:13.5px;line-height:1.85;color:var(--text-2);margin:0;max-width:320px}
.foot-col h4{font-size:14px;color:var(--text-1);margin-bottom:16px;font-weight:700}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{font-size:14px;color:var(--text-2)}
.foot-links a:hover{color:var(--accent)}
.foot-contact{display:flex;flex-direction:column;gap:12px}
.foot-contact li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7}
.foot-contact i{color:var(--accent);margin-top:5px;font-size:12px}
.foot-sub-form{display:flex;gap:10px}
.foot-sub-form .field{flex:1 1 auto;min-width:0}
.foot-sub-form button{
  height:44px;padding:0 18px;border-radius:var(--radius-btn);font-size:14px;font-weight:600;
  background:linear-gradient(135deg,var(--brand),var(--accent));color:#04121C;
  transition:transform var(--ease),box-shadow var(--ease);
}
.foot-sub-form button:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(46,107,255,.4)}
.foot-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  :root{--rail-w:264px}
  .wrap{max-width:1360px}
}
@media (max-width:1279px){
  .article-grid{grid-template-columns:minmax(0,1fr) 260px;gap:34px}
  .card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:1023px){
  .side-rail{display:none}
  .mobile-bar{display:flex}
  .main-area{padding-left:0;padding-top:56px}
  .wrap{padding:0 24px}
  .article-grid{grid-template-columns:minmax(0,1fr)}
  .article-aside{position:static;order:2}
  .page-head{padding:30px 0 6px}
  .crumb-current{max-width:64vw}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  .wrap{padding:0 18px}
  .meta-row{gap:10px}
  .share-group{margin-left:0;width:100%}
  .article-h1{font-size:24px}
  .entry{font-size:16px;line-height:1.85}
  .entry h2{font-size:20px}
  .nav-pair{grid-template-columns:minmax(0,1fr)}
  .cta-inner{padding:24px 20px}
  .cta-form{width:100%}
  .cta-form .field{width:100%}
  .cta-form .btn{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .foot-sub-form{flex-direction:column}
  .foot-sub-form button{width:100%}
}
@media (max-width:520px){
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .section{padding:48px 0 0}
  .article-body{padding:26px 0 0}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --bg-base:#05070E;
  --bg-deep:#0A1120;
  --surface:rgba(16,26,46,.62);
  --surface-2:rgba(24,36,60,.72);
  --line:rgba(255,255,255,.08);
  --brand:#2E6BFF;
  --brand-deep:#0F2A5C;
  --accent:#22E0C8;
  --warm:#FFB03A;
  --live:#FF4D6A;
  --text-1:#EAF0FF;
  --text-2:#9FB0CC;
  --text-3:#6C7C99;
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --side-w:240px;
  --gap:22px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 82% -8%, rgba(46,107,255,.16), transparent 62%),
    radial-gradient(700px 460px at 6% 8%, rgba(34,224,200,.08), transparent 60%),
    linear-gradient(180deg,#05070E 0%,#0A1120 48%,#05070E 100%);
  z-index:-2;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.045) 1px, transparent 1px);
  background-size:3px 3px;
  opacity:.5;
  z-index:-1;
  pointer-events:none;
}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.28;color:var(--text-1);}
p{margin:0;}
ul,ol{list-style:none;margin:0;padding:0;}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease);}
img{max-width:100%;display:block;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(46,107,255,.4);}

/* 移动端吸顶条 */
.mobile-head{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:56px;
  align-items:center;
  justify-content:space-between;
  padding:0 14px;
  background:var(--surface);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 22px rgba(0,0,0,.4);
  z-index:90;
}
.mobile-head .brand-mark{font-size:16px;}
.burger{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(46,107,255,.14);
  color:var(--text-1);
  font-size:17px;
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.burger:hover{background:rgba(46,107,255,.28);border-color:rgba(34,224,200,.4);}
.drawer{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(5,7,14,.92);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  z-index:100;
  padding:18px 18px 30px;
  flex-direction:column;
  overflow-y:auto;
}
.drawer.is-open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--line);background:var(--surface-2);font-size:17px;
}
.drawer .side-menu a{font-size:17px;height:56px;}

/* 左侧竖栏 */
.sidebar{
  position:fixed;
  left:0;top:0;bottom:0;
  width:var(--side-w);
  display:flex;
  flex-direction:column;
  padding:26px 18px 20px;
  background:var(--surface);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-right:1px solid var(--line);
  box-shadow:0 0 40px rgba(0,0,0,.35);
  z-index:60;
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--text-1);
}
.brand-mark .dot{
  width:10px;height:10px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  box-shadow:0 0 14px rgba(34,224,200,.75);
  flex:0 0 auto;
}
.side-brand{padding:4px 8px 22px;border-bottom:1px solid var(--line);margin-bottom:16px;}
.side-brand .side-tag{
  display:block;
  margin-top:8px;
  font-size:12px;
  letter-spacing:.2em;
  color:var(--accent);
  font-weight:600;
}
.side-menu{display:flex;flex-direction:column;gap:4px;}
.side-menu a{
  position:relative;
  display:flex;
  align-items:center;
  gap:11px;
  height:44px;
  padding:0 12px;
  border-radius:11px;
  font-size:15px;
  color:var(--text-2);
  transition:color .25s var(--ease),background .25s var(--ease),transform .25s var(--ease);
}
.side-menu a i{width:18px;text-align:center;font-size:14px;color:var(--text-3);transition:color .25s var(--ease);}
.side-menu a:hover{color:var(--text-1);background:rgba(46,107,255,.12);transform:translateX(2px);}
.side-menu a:hover i{color:var(--accent);}
.side-menu a.is-active{
  color:#fff;
  background:linear-gradient(90deg,rgba(46,107,255,.28),rgba(46,107,255,.06));
  box-shadow:inset 0 0 0 1px rgba(46,107,255,.28);
}
.side-menu a.is-active i{color:var(--accent);}
.side-menu a.is-active::before{
  content:"";
  position:absolute;
  left:0;top:9px;bottom:9px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--accent);
  box-shadow:0 0 12px rgba(34,224,200,.85);
}
.side-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:40px;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;
  background:rgba(46,107,255,.16);
  border:1px solid rgba(46,107,255,.35);
  color:var(--text-1);
  transition:background .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease);
}
.side-cta:hover{background:rgba(46,107,255,.32);transform:translateY(-2px);box-shadow:0 8px 22px rgba(46,107,255,.32);}
.side-copy{margin-top:12px;font-size:12px;line-height:1.7;color:var(--text-3);}

/* 主区 */
.main-area{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column;}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 28px;}
main{flex:1 1 auto;}

/* 横幅 */
.banner{
  position:relative;
  min-height:250px;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.banner-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  transform:scale(1.02);
}
.banner::after{
  content:"";
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(5,7,14,.55) 0%,rgba(5,7,14,.72) 45%,var(--bg-base) 100%),
    linear-gradient(90deg,rgba(5,7,14,.9) 0%,rgba(5,7,14,.5) 58%,rgba(5,7,14,.35) 100%);
}
.banner-inner{position:relative;z-index:2;padding:74px 0 34px;width:100%;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.2em;
  font-weight:700;
  color:var(--accent);
  margin-bottom:12px;
  text-transform:uppercase;
}
.banner h1{font-size:clamp(28px,3.6vw,44px);}
.banner-sub{margin-top:12px;font-size:16px;color:var(--text-2);max-width:640px;}
.crumb{margin-top:16px;font-size:13px;color:var(--text-3);display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--accent);}
.crumb span.sep{color:var(--text-3);opacity:.6;}
.crumb .now{color:var(--text-1);}

/* 板块通用 */
.section{padding:64px 0 0;}
.section-last{padding-bottom:72px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(20px,2.2vw,27px);}
.sec-head .sec-desc{margin-top:8px;font-size:14px;color:var(--text-2);}
.text-link{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:600;color:var(--accent);
  transition:gap .25s var(--ease),color .25s var(--ease);
}
.text-link:hover{gap:12px;color:#7df3e4;}

/* 内容外壳：左目录 + 主内容 */
.shell{display:grid;grid-template-columns:224px minmax(0,1fr);gap:40px;align-items:start;}
.toc{
  position:sticky;
  top:34px;
  padding:20px 18px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(24,36,60,.72),rgba(16,26,46,.5));
  box-shadow:var(--shadow);
}
.toc h3{font-size:13px;letter-spacing:.16em;color:var(--text-3);font-weight:700;margin-bottom:14px;}
.toc a{
  display:block;
  position:relative;
  padding:9px 10px 9px 16px;
  font-size:14px;
  color:var(--text-2);
  border-radius:9px;
  transition:color .25s var(--ease),background .25s var(--ease),padding .25s var(--ease);
}
.toc a::before{
  content:"";position:absolute;left:4px;top:50%;transform:translateY(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--text-3);
  transition:background .25s var(--ease),box-shadow .25s var(--ease);
}
.toc a:hover{color:var(--text-1);background:rgba(46,107,255,.12);padding-left:20px;}
.toc a:hover::before{background:var(--accent);box-shadow:0 0 10px rgba(34,224,200,.8);}
.toc-meta{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:12px;line-height:1.8;color:var(--text-3);}

/* 介绍 */
.intro p{color:var(--text-2);font-size:16px;line-height:1.85;margin-bottom:16px;}
.intro p:last-child{margin-bottom:0;}
.intro strong{color:var(--text-1);font-weight:600;}

/* 数据面板 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:26px;}
.stat{
  padding:20px 18px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--surface-2);
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.stat:hover{transform:translateY(-4px);border-color:rgba(34,224,200,.3);box-shadow:var(--shadow);}
.stat b{display:block;font-size:clamp(24px,2.6vw,32px);font-weight:800;letter-spacing:-.02em;color:var(--text-1);}
.stat b em{font-style:normal;font-size:14px;color:var(--text-3);margin-left:4px;font-weight:600;}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--text-2);}

/* 卡片网格 */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap);}
.card{
  display:flex;flex-direction:column;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--surface-2);
  overflow:hidden;
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(34,224,200,.28);box-shadow:var(--shadow);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(140deg,#0F2A5C,#0A1120);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(5,7,14,.72) 100%);
}
.card-flag{
  position:absolute;left:12px;top:12px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;font-weight:600;
  background:rgba(46,107,255,.22);
  border:1px solid rgba(46,107,255,.4);
  color:#dbe7ff;
}
.card-flag.warm{background:rgba(255,176,58,.18);border-color:rgba(255,176,58,.42);color:#ffd899;}
.card-flag.live{background:rgba(255,77,106,.18);border-color:rgba(255,77,106,.42);color:#ffc0cc;}
.card-body{padding:16px 16px 18px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-body h3{font-size:17px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body h3 a:hover{color:var(--accent);}
.card-body p{
  margin-top:9px;font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:14px;
  display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.card-foot .go{display:inline-flex;align-items:center;gap:6px;color:var(--text-2);font-weight:600;}
.card:hover .card-foot .go{color:var(--accent);}

/* 标签 */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px;}
.tag{
  display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:999px;
  font-size:13px;letter-spacing:.04em;
  color:#cfdcf7;
  background:rgba(46,107,255,.16);
  border:1px solid rgba(46,107,255,.26);
  transition:background .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);
}
.tag:hover{background:rgba(34,224,200,.16);border-color:rgba(34,224,200,.4);transform:translateY(-2px);}
.tag.muted{background:rgba(255,255,255,.05);border-color:var(--line);color:var(--text-2);}

/* FAQ */
.faq{background:transparent;border:0;margin:0;}
.faq .accordion-item{
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--surface);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq .accordion-item:hover{border-color:rgba(34,224,200,.26);}
.faq .accordion-item.is-active{border-color:rgba(34,224,200,.4);box-shadow:0 10px 26px rgba(0,0,0,.35);}
.faq .accordion-title{
  display:block;
  padding:17px 52px 17px 22px;
  border:0;
  font-size:15.5px;
  font-weight:600;
  color:var(--text-1);
  background:transparent;
  transition:color .25s var(--ease);
}
.faq .accordion-title::before{
  content:"+";
  position:absolute;
  right:20px;top:50%;
  left:auto;
  margin:0;
  transform:translateY(-50%);
  font-size:19px;
  line-height:1;
  color:var(--text-3);
  background:none;
  transition:color .25s var(--ease),transform .25s var(--ease);
}
.faq .accordion-item.is-active .accordion-title{color:var(--accent);}
.faq .accordion-item.is-active .accordion-title::before{content:"−";color:var(--accent);}
.faq .accordion-title:hover{color:var(--accent);}
.faq .accordion-content{
  display:none;
  border:0;
  padding:0 22px 20px 22px;
  background:transparent;
  color:var(--text-2);
  font-size:15px;
  line-height:1.8;
}
.faq .accordion-item.is-active > .accordion-content{display:block;}
.faq .accordion-title::after{
  content:"";
  position:absolute;
  left:0;top:16px;bottom:16px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:transparent;
  transition:background .25s var(--ease);
}
.faq .accordion-item.is-active .accordion-title::after{
  background:var(--accent);
  box-shadow:0 0 12px rgba(34,224,200,.7);
}
.faq .accordion-title{position:relative;}

/* 入口卡 */
.entry-card{
  display:flex;align-items:center;justify-content:space-between;gap:26px;
  padding:30px 32px;
  border-radius:var(--r-card);
  border:1px solid rgba(46,107,255,.3);
  background:linear-gradient(120deg,rgba(15,42,92,.85),rgba(16,26,46,.7) 55%,rgba(34,224,200,.12));
  box-shadow:var(--shadow);
  flex-wrap:wrap;
}
.entry-card h2{font-size:clamp(19px,2.1vw,25px);}
.entry-card p{margin-top:9px;font-size:14.5px;color:var(--text-2);max-width:560px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  box-shadow:0 6px 18px rgba(46,107,255,.32);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(46,107,255,.45);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  color:var(--text-1);
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.16);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
}
.btn-ghost:hover{border-color:rgba(34,224,200,.45);color:var(--accent);transform:translateY(-2px);}

/* 页脚 */
.site-foot{
  margin-top:72px;
  background:var(--bg-deep);
  border-top:1px solid var(--line);
}
.site-foot .wrap{padding-top:52px;padding-bottom:26px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1.3fr 1.2fr;gap:34px;}
.foot-col h4{font-size:14px;letter-spacing:.04em;color:var(--text-1);margin-bottom:14px;}
.foot-brand{font-size:16px;margin-bottom:12px;}
.foot-brand-desc{font-size:14px;line-height:1.8;color:var(--text-2);}
.foot-links li{margin-bottom:9px;}
.foot-links a{font-size:14px;color:var(--text-2);}
.foot-links a:hover{color:var(--accent);}
.foot-contact li{display:flex;gap:10px;font-size:14px;line-height:1.75;color:var(--text-2);margin-bottom:11px;}
.foot-contact i{color:var(--accent);margin-top:4px;font-size:13px;}
.foot-sub-form{display:flex;gap:9px;}
.foot-sub-form input{
  flex:1 1 auto;min-width:0;height:44px;
  padding:0 14px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:rgba(16,26,46,.8);
  color:var(--text-1);
  font-size:14px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.foot-sub-form input::placeholder{color:var(--text-3);}
.foot-sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(34,224,200,.18);}
.foot-sub-form button{
  height:44px;padding:0 18px;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.foot-sub-form button:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(46,107,255,.4);}
.foot-bottom{
  margin-top:36px;padding-top:18px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* 响应式 */
@media (max-width:1279px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stats{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:1023px){
  :root{--side-w:0px;}
  .sidebar{display:none;}
  .mobile-head{display:flex;}
  .main-area{margin-left:0;padding-top:56px;}
  .shell{grid-template-columns:1fr;gap:28px;}
  .toc{position:static;}
  .banner-inner{padding:48px 0 28px;}
  .section{padding:48px 0 0;}
  .wrap{padding:0 20px;}
}
@media (max-width:767px){
  .card-grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr 1fr;gap:14px;}
  .entry-card{padding:24px 20px;}
  .entry-card .btn{width:100%;}
  .site-foot .wrap{padding-top:40px;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .banner{min-height:220px;}
  .banner-sub{font-size:15px;}
}
@media (max-width:519px){
  .stats{grid-template-columns:1fr;}
  .sec-head{flex-direction:column;align-items:flex-start;}
  .card-body h3{font-size:16px;}
  .foot-sub-form{flex-direction:column;}
  .foot-sub-form button{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --bg-base:#05070E;
  --bg-deep:#0A1120;
  --surface:rgba(16,26,46,.62);
  --surface-2:rgba(24,36,60,.72);
  --line:rgba(255,255,255,.08);
  --brand:#2E6BFF;
  --brand-deep:#0F2A5C;
  --accent:#22E0C8;
  --warm:#FFB03A;
  --live:#FF4D6A;
  --text-1:#EAF0FF;
  --text-2:#9FB0CC;
  --text-3:#6C7C99;
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --nav-w:240px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em;line-height:1.35;color:var(--text-1);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease);}
img{max-width:100%;display:block;}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;line-height:1;}
input{font:inherit;}
::selection{background:rgba(46,107,255,.4);color:#fff;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 28px;}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:284px;z-index:80;
  display:flex;flex-direction:column;
  padding:26px 20px 22px;
  background:var(--surface);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-right:1px solid var(--line);
  transform:translateX(-105%);
  transition:transform .32s var(--ease);
  overflow-y:auto;
}
.sidebar.is-open{transform:translateX(0);}
.sidebar-head{display:flex;flex-direction:column;}
.brand-mark{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-0.01em;color:var(--text-1);}
.brand-mark .dot{width:10px;height:10px;border-radius:50%;flex:0 0 auto;background:linear-gradient(135deg,var(--brand),var(--accent));box-shadow:0 0 14px rgba(34,224,200,.75);}
.brand-mark:hover{color:#fff;}
.brand-sub{margin-top:10px;font-size:12px;letter-spacing:.08em;color:var(--text-3);}
.side-menu{display:flex;flex-direction:column;gap:6px;margin-top:28px;flex:1;}
.side-menu a{position:relative;display:flex;align-items:center;gap:12px;height:44px;padding:0 14px;border-radius:12px;font-size:15px;font-weight:500;color:var(--text-2);transition:all .25s var(--ease);}
.side-menu a i{width:18px;text-align:center;font-size:15px;color:var(--text-3);transition:color .25s var(--ease);}
.side-menu a:hover{color:var(--text-1);background:rgba(46,107,255,.12);transform:translateX(2px);}
.side-menu a:hover i{color:var(--accent);}
.side-menu a.is-active{color:#fff;background:rgba(46,107,255,.18);box-shadow:inset 0 0 0 1px rgba(46,107,255,.34),0 0 18px rgba(46,107,255,.18);}
.side-menu a.is-active i{color:var(--accent);}
.side-menu a.is-active::before{content:"";position:absolute;left:-20px;top:50%;transform:translateY(-50%);width:3px;height:22px;border-radius:0 3px 3px 0;background:var(--accent);box-shadow:0 0 12px rgba(34,224,200,.85);}
.sidebar-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:12px;}
.side-cta{display:flex;align-items:center;justify-content:center;gap:8px;height:44px;border-radius:12px;font-size:14px;font-weight:700;color:#04121A;background:linear-gradient(135deg,var(--brand),var(--accent));transition:all .25s var(--ease);}
.side-cta:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(46,107,255,.45);color:#04121A;}
.side-copy{font-size:12px;color:var(--text-3);text-align:center;}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{
  position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 18px;
  background:rgba(10,17,32,.86);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.menu-toggle{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;border:1px solid var(--line);color:var(--text-1);font-size:16px;transition:all .25s var(--ease);}
.menu-toggle:hover{background:rgba(46,107,255,.18);color:#fff;}
.drawer-mask{
  position:fixed;inset:0;z-index:75;
  background:rgba(3,6,14,.68);
  opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 主区 ---------- */
.shell{padding-top:56px;min-height:100vh;}
.section{padding:72px 0;}
.section-tight{padding:56px 0;}

/* ---------- Banner ---------- */
.page-banner{
  position:relative;overflow:hidden;
  display:flex;align-items:center;
  min-height:268px;
  padding:52px 0 46px;
  background:#0A1120 url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(5,7,14,.92) 0%,rgba(5,7,14,.62) 55%,rgba(5,7,14,.88) 100%);
}
.page-banner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:92px;
  background:linear-gradient(180deg,rgba(5,7,14,0),var(--bg-base));
}
.page-banner .wrap{position:relative;z-index:1;}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.2em;color:var(--accent);}
.page-banner h1{font-size:clamp(28px,4vw,44px);margin:14px 0 12px;}
.banner-lead{font-size:16px;line-height:1.8;color:var(--text-2);max-width:660px;}
.crumbs{margin-top:22px;font-size:13px;color:var(--text-3);}
.crumbs a:hover{color:var(--accent);}
.crumbs .sep{margin:0 8px;}

/* ---------- 通用区块头 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);}
.sec-head p{margin-top:10px;font-size:14px;color:var(--text-3);}
.more-link{font-size:14px;font-weight:600;color:var(--accent);display:inline-flex;align-items:center;gap:8px;}
.more-link:hover{color:#fff;}

/* ---------- 栏目介绍 ---------- */
.intro-grid{margin:0;}
.intro-main h2{margin-bottom:20px;}
.intro-main p{font-size:16px;line-height:1.95;color:var(--text-2);margin-bottom:18px;}
.intro-main p:last-child{margin-bottom:0;}
.intro-stats{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.stat-card{
  padding:20px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(24,36,60,.75),rgba(16,26,46,.5));
  transition:all .25s var(--ease);
}
.stat-card:hover{border-color:rgba(34,224,200,.3);transform:translateY(-3px);}
.stat-num{font:800 26px/1.1 system-ui,sans-serif;letter-spacing:-0.02em;color:var(--accent);font-variant-numeric:tabular-nums;}
.stat-label{margin-top:10px;font-size:13px;color:var(--text-3);}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;}
.timeline::before{
  content:"";position:absolute;left:139px;top:12px;bottom:12px;width:1px;
  background:linear-gradient(180deg,rgba(34,224,200,.55),rgba(46,107,255,.18) 60%,rgba(46,107,255,0));
}
.tl-item{position:relative;display:grid;grid-template-columns:140px 1fr;gap:32px;padding:20px 0;}
.tl-item::before{
  content:"";position:absolute;left:135px;top:38px;width:9px;height:9px;border-radius:50%;
  background:var(--bg-base);border:2px solid var(--accent);
  box-shadow:0 0 12px rgba(34,224,200,.7);
}
.tl-time{
  font:700 19px/1.3 system-ui,sans-serif;
  color:var(--accent);
  text-align:right;
  padding-right:26px;
  font-variant-numeric:tabular-nums;
  letter-spacing:-0.01em;
}
.tl-body{
  padding:22px 24px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--surface);
  transition:all .25s var(--ease);
}
.tl-item:hover .tl-body{border-color:rgba(34,224,200,.32);transform:translateY(-3px);box-shadow:var(--shadow);}
.tl-body h3{font-size:17px;margin-bottom:10px;}
.tl-body p{font-size:15px;line-height:1.85;color:var(--text-2);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;font-size:12px;letter-spacing:.04em;
  color:#B9CBFF;background:rgba(46,107,255,.16);border:1px solid rgba(46,107,255,.26);
}
.tag.is-warm{color:#FFD79A;background:rgba(255,176,58,.14);border-color:rgba(255,176,58,.3);}
.tag.is-live{color:#FFB4C0;background:rgba(255,77,106,.14);border-color:rgba(255,77,106,.3);}

/* ---------- 覆盖内容 ---------- */
.focus-grid{display:grid;grid-template-columns:0.92fr 1.08fr;gap:40px;align-items:center;}
.focus-media{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line);}
.focus-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.focus-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,14,0),rgba(5,7,14,.55));}
.focus-list{display:flex;flex-direction:column;gap:14px;}
.focus-row{
  display:grid;grid-template-columns:44px 1fr;gap:16px;
  padding:18px 20px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(16,26,46,.5);
  transition:all .25s var(--ease);
}
.focus-row:hover{border-color:rgba(46,107,255,.36);transform:translateX(4px);}
.focus-row i{
  width:44px;height:44px;display:grid;place-items:center;
  border-radius:12px;background:rgba(46,107,255,.16);color:var(--accent);font-size:16px;
}
.focus-row h3{font-size:16px;margin-bottom:6px;}
.focus-row p{font-size:14px;line-height:1.8;color:var(--text-2);}

/* ---------- 订阅流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
  padding:24px 20px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(24,36,60,.7),rgba(10,17,32,.62));
  transition:all .25s var(--ease);
}
.step:hover{border-color:rgba(34,224,200,.3);transform:translateY(-4px);box-shadow:var(--shadow);}
.step-num{font:800 15px/1 system-ui,sans-serif;letter-spacing:.14em;color:var(--accent);font-variant-numeric:tabular-nums;}
.step h3{font-size:16px;margin:14px 0 8px;}
.step p{font-size:14px;line-height:1.8;color:var(--text-2);}

/* ---------- FAQ ---------- */
.accordion{background:transparent;border:none;margin:0;}
.accordion-item{
  border:1px solid var(--line);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  background:var(--surface);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-item.is-active{border-color:rgba(34,224,200,.36);box-shadow:0 10px 30px rgba(0,0,0,.35);}
.accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;
  font-size:16px;font-weight:600;color:var(--text-1);
  border:none;background:transparent;line-height:1.6;
  position:relative;
}
.accordion-title::before{display:none !important;content:none !important;}
.accordion-title::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--text-3);
  transition:transform .25s var(--ease),color .25s var(--ease);
  flex:0 0 auto;
}
.accordion-item.is-active .accordion-title{color:var(--accent);}
.accordion-item.is-active .accordion-title::after{content:"\f068";color:var(--accent);}
.accordion-content{
  display:none;
  padding:0 22px 20px;
  font-size:15px;line-height:1.9;color:var(--text-2);
  border-top:1px solid transparent;
}
.accordion-item.is-active .accordion-content{display:block;}

/* ---------- CTA ---------- */
.cta-band{
  display:grid;grid-template-columns:1.05fr 1fr;gap:30px;align-items:center;
  padding:36px 38px;
  border-radius:20px;
  border:1px solid rgba(46,107,255,.3);
  background:linear-gradient(120deg,rgba(15,42,92,.85),rgba(16,26,46,.75));
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:0 10px 40px rgba(0,0,0,.4);
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);margin-bottom:10px;}
.cta-band p{font-size:15px;line-height:1.85;color:var(--text-2);}
.sub-form{display:flex;gap:12px;}
.sub-form input{
  flex:1;min-width:0;height:46px;padding:0 16px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:rgba(5,7,14,.62);
  color:var(--text-1);font-size:15px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.sub-form input::placeholder{color:var(--text-3);}
.sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(34,224,200,.18);}
.btn-primary{
  height:46px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;color:#04121A;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  transition:all .25s var(--ease);white-space:nowrap;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(46,107,255,.45);}
.form-note{margin-top:12px;font-size:12px;color:var(--text-3);}

/* ---------- 入口卡 ---------- */
.entry-card{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:28px 32px;
  border-radius:18px;
  border:1px solid var(--line);
  background:var(--surface);
  transition:all .25s var(--ease);
}
.entry-card:hover{border-color:rgba(34,224,200,.42);transform:translateY(-3px);box-shadow:var(--shadow);}
.entry-card h2{font-size:20px;margin:12px 0 8px;}
.entry-card p{font-size:15px;line-height:1.8;color:var(--text-2);}
.entry-arrow{
  width:52px;height:52px;flex:0 0 auto;display:grid;place-items:center;
  border-radius:50%;border:1px solid var(--line);
  color:var(--accent);font-size:16px;
  transition:all .25s var(--ease);
}
.entry-card:hover .entry-arrow{background:rgba(34,224,200,.14);border-color:rgba(34,224,200,.5);transform:translateX(4px);}

/* ---------- 页脚 ---------- */
.site-foot{margin-top:32px;padding:56px 0 28px;background:#04060C;border-top:1px solid var(--line);}
.foot-grid{display:grid;grid-template-columns:1.35fr 1fr 1.5fr 1.15fr;gap:36px;}
.foot-col h4{font-size:14px;margin-bottom:16px;letter-spacing:.02em;}
.foot-brand{font-size:18px;}
.foot-brand-desc{margin-top:14px;max-width:320px;font-size:14px;line-height:1.85;color:var(--text-3);}
.foot-links li{margin-bottom:10px;}
.foot-links a{font-size:14px;color:var(--text-2);}
.foot-links a:hover{color:var(--accent);}
.foot-contact li{display:flex;gap:10px;margin-bottom:12px;font-size:14px;line-height:1.75;color:var(--text-2);}
.foot-contact i{margin-top:5px;font-size:13px;color:var(--accent);flex:0 0 auto;}
.foot-sub-form{display:flex;gap:10px;}
.foot-sub-form input{
  flex:1;min-width:0;height:44px;padding:0 14px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-1);font-size:14px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.foot-sub-form input::placeholder{color:var(--text-3);}
.foot-sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(34,224,200,.15);}
.foot-sub-form button{
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:14px;font-weight:700;color:#04121A;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  transition:all .25s var(--ease);
}
.foot-sub-form button:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(46,107,255,.4);}
.foot-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (min-width:1024px){
  :root{--nav-w:240px;}
  body{background:var(--bg-base);}
  .sidebar{width:var(--nav-w);transform:none;}
  .mobile-bar{display:none;}
  .drawer-mask{display:none;}
  .shell{padding-top:0;padding-left:var(--nav-w);}
}
@media (min-width:1440px){
  :root{--nav-w:264px;}
  .wrap{max-width:1360px;}
}
@media (max-width:1023px){
  .section{padding:56px 0;}
  .focus-grid{grid-template-columns:1fr;gap:28px;}
  .steps{grid-template-columns:1fr 1fr;}
  .cta-band{grid-template-columns:1fr;padding:30px 26px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .wrap{padding:0 18px;}
  .section{padding:48px 0;}
  .intro-stats{grid-template-columns:1fr 1fr;}
  .timeline::before{left:4px;top:10px;bottom:10px;}
  .tl-item{grid-template-columns:1fr;gap:12px;padding:18px 0 18px 26px;}
  .tl-item::before{left:0;top:26px;}
  .tl-time{text-align:left;padding-right:0;font-size:17px;}
  .sec-head{align-items:flex-start;}
  .entry-card{flex-direction:column;align-items:flex-start;padding:24px;}
  .entry-arrow{width:46px;height:46px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:519px){
  .page-banner{min-height:240px;padding:42px 0 38px;}
  .steps{grid-template-columns:1fr;}
  .intro-stats{grid-template-columns:1fr;}
  .sub-form{flex-direction:column;}
  .sub-form input,.btn-primary{width:100%;}
  .btn-primary{height:46px;}
  .foot-sub-form{flex-direction:column;}
  .foot-sub-form input,.foot-sub-form button{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --bg-base:#05070E;
  --bg-deep:#0A1120;
  --surface:rgba(16,26,46,.62);
  --surface-2:rgba(24,36,60,.72);
  --line:rgba(255,255,255,.08);
  --brand:#2E6BFF;
  --brand-deep:#0F2A5C;
  --accent:#22E0C8;
  --warm:#FFB03A;
  --live:#FF4D6A;
  --text-1:#EAF0FF;
  --text-2:#9FB0CC;
  --text-3:#6C7C99;
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-w:240px;
  --max-w:1280px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(46,107,255,.16), transparent 60%),
    radial-gradient(900px 500px at -10% 40%, rgba(34,224,200,.08), transparent 60%),
    var(--bg-base);
  color:var(--text-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  padding-left:var(--nav-w);
  min-height:100vh;
}
img{max-width:100%;display:block;border-radius:var(--r-img);object-fit:cover;background:var(--bg-deep);}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease);}
a:hover{color:var(--accent);}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3;color:var(--text-1);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

/* 覆盖 Foundation 默认味道 */
body,.button,button,select,textarea,input{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;}
p{font-size:inherit;}
.accordion{background:transparent;border:0;margin:0;}
.accordion-title{border:0;padding:0;font-size:inherit;}
.button,.button.primary,.button.secondary{background:transparent;color:inherit;border:0;padding:0;margin:0;}

/* ============ 左侧竖向导航 ============ */
.sidebar{
  position:fixed;
  inset:0 auto 0 0;
  width:var(--nav-w);
  display:flex;
  flex-direction:column;
  gap:18px;
  padding:26px 18px 20px;
  background:var(--surface);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-right:1px solid var(--line);
  z-index:60;
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--text-1);
}
.brand-mark .dot{
  width:10px;height:10px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  box-shadow:0 0 12px rgba(34,224,200,.7);
  flex:0 0 auto;
}
.brand-sub{
  margin-top:8px;
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.14em;
}
.side-menu{
  display:flex;
  flex-direction:column;
  gap:6px;
  margin-top:6px;
}
.side-menu a{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  height:44px;
  padding:0 12px;
  border-radius:10px;
  font-size:14.5px;
  color:var(--text-2);
  border:1px solid transparent;
}
.side-menu a i{
  width:18px;
  text-align:center;
  color:var(--text-3);
  transition:color .25s var(--ease);
}
.side-menu a:hover{
  color:var(--text-1);
  background:rgba(46,107,255,.10);
  transform:translateX(2px);
}
.side-menu a:hover i{color:var(--accent);}
.side-menu a.is-active{
  color:var(--text-1);
  background:linear-gradient(90deg,rgba(46,107,255,.26),rgba(46,107,255,.06));
  border-color:rgba(46,107,255,.34);
  box-shadow:0 6px 20px rgba(46,107,255,.20);
}
.side-menu a.is-active i{color:var(--accent);}
.side-menu a.is-active::before{
  content:"";
  position:absolute;
  left:-18px;
  top:8px;
  bottom:8px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--accent);
  box-shadow:0 0 10px rgba(34,224,200,.8);
}
.side-foot{
  margin-top:auto;
  border-top:1px solid var(--line);
  padding-top:16px;
}
.side-cta{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:40px;
  border-radius:10px;
  font-size:13.5px;
  color:var(--text-1);
  background:rgba(34,224,200,.10);
  border:1px solid rgba(34,224,200,.30);
}
.side-cta:hover{background:rgba(34,224,200,.18);color:var(--accent);}
.side-copy{
  margin-top:12px;
  font-size:12px;
  color:var(--text-3);
  line-height:1.6;
}

/* ============ 移动端顶栏 ============ */
.topbar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:56px;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  background:var(--surface-2);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  z-index:80;
}
.topbar .brand-mark{font-size:15.5px;}
.burger{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  border:1px solid var(--line);
  color:var(--text-1);
  font-size:17px;
}
.burger:hover{border-color:rgba(34,224,200,.5);color:var(--accent);}
.drawer{
  position:fixed;
  inset:56px 0 0 0;
  background:rgba(5,7,14,.96);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  padding:22px 18px;
  transform:translateY(-8px);
  opacity:0;
  pointer-events:none;
  transition:opacity .25s var(--ease),transform .25s var(--ease);
  z-index:79;
  overflow-y:auto;
}
.drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
.drawer a{
  display:flex;
  align-items:center;
  gap:14px;
  min-height:52px;
  padding:0 14px;
  border-radius:12px;
  font-size:16px;
  color:var(--text-2);
  border:1px solid transparent;
}
.drawer a + a{margin-top:8px;}
.drawer a:hover{background:rgba(46,107,255,.12);color:var(--text-1);}
.drawer a.is-active{
  color:var(--text-1);
  background:linear-gradient(90deg,rgba(46,107,255,.28),rgba(46,107,255,.06));
  border-color:rgba(46,107,255,.34);
}
.drawer a i{color:var(--accent);width:20px;text-align:center;}

/* ============ 通用容器 ============ */
.wrap{
  width:100%;
  max-width:var(--max-w);
  margin:0 auto;
  padding:0 28px;
}
main{padding-bottom:90px;}
.section{margin-top:84px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:26px;
}
.section-head h2{font-size:clamp(21px,2.4vw,28px);}
.section-head .sub{
  margin-top:8px;
  font-size:14px;
  color:var(--text-2);
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--accent);
}
.text-link:hover{gap:12px;color:var(--accent);}

/* ============ 分类横幅 ============ */
.page-banner{
  position:relative;
  min-height:270px;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  border-radius:0 0 24px 24px;
}
.page-banner::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
}
.page-banner::after{
  content:"";
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(5,7,14,.55) 0%,rgba(5,7,14,.86) 62%,var(--bg-base) 100%),
    linear-gradient(90deg,rgba(5,7,14,.72) 0%,rgba(5,7,14,.20) 70%);
}
.banner-inner{
  position:relative;
  z-index:2;
  width:100%;
  padding:52px 0 34px;
}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.2em;
  color:var(--accent);
  margin-bottom:14px;
  text-transform:uppercase;
}
.page-banner h1{
  font-size:clamp(26px,3.6vw,42px);
  max-width:820px;
}
.banner-desc{
  margin-top:14px;
  font-size:15.5px;
  color:var(--text-2);
  max-width:660px;
}
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  margin-top:20px;
  font-size:13px;
  color:var(--text-3);
}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--accent);}
.crumbs span.sep{color:var(--text-3);}

/* ============ 栏目介绍 ============ */
.intro-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.intro-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 26px;
  box-shadow:var(--shadow);
}
.intro-card h3{
  font-size:17px;
  margin-bottom:12px;
  display:flex;
  align-items:center;
  gap:10px;
}
.intro-card h3 i{color:var(--accent);font-size:15px;}
.intro-card p{color:var(--text-2);font-size:15.5px;}
.stats-row{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
  margin-top:24px;
}
.stat{
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px 18px;
}
.stat b{
  display:block;
  font-size:26px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--text-1);
  font-feature-settings:"tnum";
}
.stat b em{font-style:normal;color:var(--accent);font-size:15px;margin-left:3px;}
.stat span{
  display:block;
  margin-top:6px;
  font-size:13px;
  color:var(--text-3);
}

/* ============ 图文左右交替 ============ */
.split-list{display:flex;flex-direction:column;gap:26px;}
.split-row{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .25s var(--ease),border-color .25s var(--ease);
}
.split-row:hover{
  transform:translateY(-4px);
  border-color:rgba(34,224,200,.28);
}
.split-row.reverse .split-media{order:2;}
.split-row.reverse .split-body{order:1;}
.split-media{
  position:relative;
  min-height:270px;
  overflow:hidden;
}
.split-media img{
  width:100%;height:100%;
  min-height:270px;
  border-radius:0;
  object-fit:cover;
}
.split-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(5,7,14,.45),rgba(5,7,14,0) 60%);
  pointer-events:none;
}
.split-row.reverse .split-media::after{
  background:linear-gradient(270deg,rgba(5,7,14,.45),rgba(5,7,14,0) 60%);
}
.split-body{
  padding:34px 32px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:14px;
}
.split-index{
  font-size:12px;
  letter-spacing:.2em;
  color:var(--accent);
}
.split-body h3{font-size:clamp(19px,2.1vw,23px);}
.split-body p{color:var(--text-2);font-size:15.5px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:5px;
  font-size:12px;
  letter-spacing:.04em;
  padding:4px 11px;
  border-radius:999px;
  color:#CFE0FF;
  background:rgba(46,107,255,.16);
  border:1px solid rgba(46,107,255,.26);
}
.tag.warm{
  color:#FFE0B0;
  background:rgba(255,176,58,.14);
  border-color:rgba(255,176,58,.32);
}
.tag.mint{
  color:#B8FFF4;
  background:rgba(34,224,200,.13);
  border-color:rgba(34,224,200,.28);
}

/* ============ 精选卡片组 ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .25s var(--ease),border-color .25s var(--ease);
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(34,224,200,.30);
}
.card-cover{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
}
.card-cover img{
  width:100%;height:100%;
  border-radius:0;
  transition:transform .35s var(--ease);
}
.card:hover .card-cover img{transform:scale(1.04);}
.card-badge{
  position:absolute;
  left:12px;top:12px;
  font-size:12px;
  letter-spacing:.04em;
  padding:4px 10px;
  border-radius:999px;
  background:rgba(5,7,14,.72);
  border:1px solid rgba(46,107,255,.4);
  color:#CFE0FF;
  backdrop-filter:blur(6px);
}
.card-badge.warm{
  border-color:rgba(255,176,58,.45);
  color:#FFE0B0;
}
.card-body{
  padding:20px 20px 18px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.card-body h3{
  font-size:17px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-body .desc{
  font-size:14px;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-3);
}
.card-meta i{color:var(--accent);}
.card:hover .card-meta i{transform:translateX(3px);transition:transform .25s var(--ease);}

/* ============ FAQ ============ */
.faq-wrap{max-width:960px;}
.accordion-item{
  background:var(--surface);
  border:1px solid var(--line) !important;
  border-radius:var(--r-card);
  margin-bottom:14px !important;
  overflow:hidden;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.accordion-item:hover{border-color:rgba(34,224,200,.26) !important;}
.accordion-item.is-active{
  border-color:rgba(34,224,200,.38) !important;
  background:var(--surface-2);
}
.accordion-title{
  position:relative;
  display:block;
  padding:20px 58px 20px 26px !important;
  font-size:16px;
  font-weight:700;
  color:var(--text-1);
  background:transparent !important;
  border:0 !important;
}
.accordion-title::before{
  content:"";
  position:absolute;
  left:12px;top:50%;
  transform:translateY(-50%) scaleY(.3);
  width:3px;height:22px;
  border-radius:3px;
  background:var(--accent);
  opacity:0;
  transition:opacity .25s var(--ease),transform .25s var(--ease);
}
.accordion-item.is-active .accordion-title::before{opacity:1;transform:translateY(-50%) scaleY(1);}
.accordion-item.is-active .accordion-title{color:var(--accent);}
.accordion-title::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  right:24px;top:50%;
  transform:translateY(-50%);
  font-size:13px;
  color:var(--text-3);
  transition:color .25s var(--ease),transform .25s var(--ease);
}
.accordion-item.is-active .accordion-title::after{
  content:"\f068";
  color:var(--accent);
}
.accordion-content{
  padding:0 26px 22px 26px !important;
  border:0 !important;
  background:transparent !important;
  color:var(--text-2);
  font-size:15px;
}

/* ============ 底部入口卡 ============ */
.entry-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  flex-wrap:wrap;
  padding:34px 34px;
  border-radius:var(--r-card);
  background:linear-gradient(120deg,rgba(46,107,255,.20),rgba(34,224,200,.08));
  border:1px solid rgba(46,107,255,.30);
  box-shadow:var(--shadow);
}
.entry-card h3{font-size:clamp(19px,2.2vw,24px);}
.entry-card p{
  margin-top:10px;
  color:var(--text-2);
  font-size:15px;
  max-width:620px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:44px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.btn-primary{
  color:#04101F;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  border:1px solid transparent;
}
.btn-primary:hover{
  color:#04101F;
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(46,107,255,.45);
}
.btn-ghost{
  color:var(--text-1);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.16);
}
.btn-ghost:hover{
  color:var(--accent);
  border-color:rgba(34,224,200,.5);
  background:rgba(34,224,200,.08);
  transform:translateY(-2px);
}
.btn:active{transform:translateY(0);}

/* ============ 订阅条 ============ */
.subscribe{
  margin-top:84px;
  padding:34px 34px;
  border-radius:var(--r-card);
  background:var(--surface);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid rgba(255,255,255,.12);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
}
.subscribe h3{font-size:20px;}
.subscribe p{margin-top:8px;color:var(--text-2);font-size:14.5px;}
.sub-form{display:flex;gap:12px;flex-wrap:wrap;}
.sub-form input{
  min-height:44px;
  min-width:250px;
  padding:0 16px;
  border-radius:var(--r-btn);
  background:rgba(8,14,26,.85);
  border:1px solid var(--line);
  color:var(--text-1);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.sub-form input::placeholder{color:var(--text-3);}
.sub-form input:focus{
  outline:none;
  border-color:rgba(34,224,200,.75);
  box-shadow:0 0 0 4px rgba(34,224,200,.14);
}
.privacy-note{
  width:100%;
  margin-top:14px;
  font-size:12.5px;
  color:var(--text-3);
}

/* ============ 页脚 ============ */
.site-foot{
  background:#03050B;
  border-top:1px solid var(--line);
  padding:58px 0 26px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1.2fr 1.2fr;
  gap:34px;
}
.foot-brand{font-size:17px;}
.foot-brand-desc{
  margin-top:14px;
  font-size:14px;
  line-height:1.8;
  color:var(--text-2);
  max-width:340px;
}
.foot-col h4{
  font-size:14px;
  margin-bottom:16px;
  color:var(--text-1);
  letter-spacing:.02em;
}
.foot-links li + li{margin-top:10px;}
.foot-links a{font-size:14px;color:var(--text-2);}
.foot-links a:hover{color:var(--accent);}
.foot-contact li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.8;
}
.foot-contact li + li{margin-top:10px;}
.foot-contact i{color:var(--accent);margin-top:5px;font-size:13px;}
.foot-sub-form{display:flex;gap:10px;}
.foot-sub-form input{
  flex:1;
  min-height:42px;
  padding:0 14px;
  border-radius:var(--r-btn);
  background:rgba(8,14,26,.85);
  border:1px solid var(--line);
  color:var(--text-1);
}
.foot-sub-form input::placeholder{color:var(--text-3);}
.foot-sub-form input:focus{
  outline:none;
  border-color:rgba(34,224,200,.7);
  box-shadow:0 0 0 4px rgba(34,224,200,.12);
}
.foot-sub-form button{
  min-height:42px;
  padding:0 18px;
  border-radius:var(--r-btn);
  font-weight:700;
  color:#04101F;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.foot-sub-form button:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 22px rgba(46,107,255,.4);
}
.foot-bottom{
  margin-top:42px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  :root{--nav-w:264px;--max-w:1360px;}
  .wrap{padding:0 36px;}
}

@media (max-width:1279px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:1.3fr 1fr 1fr;}
  .foot-col:last-child{grid-column:span 3;}
}

@media (max-width:1023px){
  body{padding-left:0;padding-top:56px;}
  .sidebar{display:none;}
  .topbar{display:flex;}
  .split-row{grid-template-columns:1fr;}
  .split-row.reverse .split-media{order:0;}
  .split-row.reverse .split-body{order:0;}
  .split-media,.split-media img{min-height:210px;}
  .split-body{padding:26px 24px;}
  .intro-grid{grid-template-columns:1fr;}
  .stats-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .section{margin-top:64px;}
}

@media (max-width:767px){
  .wrap{padding:0 18px;}
  .page-banner{min-height:230px;border-radius:0 0 18px 18px;}
  .banner-inner{padding:38px 0 26px;}
  .banner-desc{font-size:14.5px;}
  .card-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-col:last-child{grid-column:auto;}
  .entry-card{padding:26px 22px;}
  .entry-card .btn{width:100%;}
  .subscribe{padding:26px 22px;}
  .sub-form{width:100%;}
  .sub-form input{min-width:0;width:100%;}
  .sub-form .btn{width:100%;}
  .section{margin-top:48px;}
}

@media (max-width:520px){
  body{font-size:15.5px;}
  .stats-row{grid-template-columns:1fr;}
  .page-banner h1{font-size:25px;}
  .accordion-title{padding:18px 46px 18px 20px !important;font-size:15px;}
  .accordion-content{padding:0 20px 20px 20px !important;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category4 */
:root{
  --bg-base:#05070E;
  --bg-deep:#0A1120;
  --surface:rgba(16,26,46,.62);
  --surface-2:rgba(24,36,60,.72);
  --line:rgba(255,255,255,.08);
  --brand:#2E6BFF;
  --brand-deep:#0F2A5C;
  --accent:#22E0C8;
  --warm:#FFB03A;
  --live:#FF4D6A;
  --text-1:#EAF0FF;
  --text-2:#9FB0CC;
  --text-3:#6C7C99;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --t:.25s cubic-bezier(.2,.7,.3,1);
  --nav-w:240px;
}
*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(46,107,255,.16), transparent 60%),
    radial-gradient(900px 500px at 0% 30%, rgba(34,224,200,.07), transparent 60%),
    var(--bg-base);
  color:var(--text-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
body,p,h1,h2,h3,h4,ul,ol,li,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;background:transparent;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;line-height:1.28;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 28px;}
.shell{padding-left:var(--nav-w);}
.section{padding:76px 0;}
.section-tight{padding:56px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(22px,2.4vw,30px);}
.sec-head p{color:var(--text-2);font-size:14px;margin-top:8px;}
.sec-head .to-all{color:var(--accent);font-size:14px;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;transition:var(--t);}
.sec-head .to-all:hover{color:#fff;transform:translateX(3px);}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.2em;color:var(--accent);text-transform:uppercase;margin-bottom:12px;}

/* ---------- 左侧导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  display:flex;flex-direction:column;
  padding:22px 16px 18px;
  background:var(--surface);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-right:1px solid var(--line);
  box-shadow:inset -1px 0 0 rgba(255,255,255,.04);
  z-index:80;
}
.nav-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.brand-mark{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--text-1);letter-spacing:-.01em;}
.brand-mark .dot{
  width:11px;height:11px;border-radius:50%;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  box-shadow:0 0 14px rgba(34,224,200,.6);
}
.nav-burger{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  color:var(--text-1);align-items:center;justify-content:center;font-size:16px;transition:var(--t);
}
.nav-burger:hover{border-color:rgba(34,224,200,.45);background:rgba(46,107,255,.12);}
.side-menu{display:flex;flex-direction:column;gap:6px;margin-top:28px;}
.side-menu a{
  position:relative;display:flex;align-items:center;gap:11px;
  min-height:44px;padding:0 12px;border-radius:10px;
  color:var(--text-2);font-size:15px;transition:var(--t);
}
.side-menu a i{width:18px;text-align:center;font-size:14px;color:var(--text-3);transition:var(--t);}
.side-menu a:hover{color:var(--text-1);background:rgba(46,107,255,.10);transform:translateX(2px);}
.side-menu a:hover i{color:var(--accent);}
.side-menu a.is-active{
  color:#fff;
  background:linear-gradient(90deg,rgba(46,107,255,.30),rgba(46,107,255,.05));
  box-shadow:inset 0 0 0 1px rgba(46,107,255,.28),0 0 18px rgba(46,107,255,.18);
}
.side-menu a.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;
  background:var(--accent);box-shadow:0 0 10px rgba(34,224,200,.75);
}
.side-menu a.is-active i{color:var(--accent);}
.nav-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);}
.nav-foot .mini-btn{
  display:flex;align-items:center;justify-content:center;gap:8px;
  min-height:42px;border-radius:10px;border:1px solid rgba(46,107,255,.35);
  background:rgba(46,107,255,.12);color:var(--text-1);font-size:14px;transition:var(--t);
}
.nav-foot .mini-btn:hover{background:rgba(46,107,255,.22);transform:translateY(-2px);}
.nav-foot p{margin-top:12px;font-size:12px;color:var(--text-3);line-height:1.6;}

/* ---------- 栏目横幅 ---------- */
.cat-banner{position:relative;isolation:isolate;overflow:hidden;border-bottom:1px solid var(--line);}
.cat-banner .bg{
  position:absolute;inset:0;z-index:-2;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.55;
}
.cat-banner::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg,rgba(5,7,14,.94) 0%,rgba(5,7,14,.72) 55%,rgba(5,7,14,.86) 100%),
             linear-gradient(180deg,rgba(5,7,14,.25),rgba(5,7,14,.95));
}
.banner-inner{padding:60px 0 48px;max-width:820px;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap;}
.crumbs a{color:var(--text-2);transition:var(--t);}
.crumbs a:hover{color:var(--accent);}
.crumbs .sep{opacity:.5;}
.cat-banner h1{font-size:clamp(26px,3.6vw,42px);margin-bottom:14px;}
.cat-banner .lead{color:var(--text-2);font-size:16px;max-width:640px;}
.banner-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.04em;padding:5px 12px;border-radius:999px;
  background:rgba(46,107,255,.16);color:#B9CBFF;border:1px solid rgba(46,107,255,.22);
}
.badge.warm{background:rgba(255,176,58,.14);color:var(--warm);border-color:rgba(255,176,58,.28);}
.badge.live{background:rgba(255,77,106,.14);color:#FF8FA2;border-color:rgba(255,77,106,.3);}

/* ---------- 栏目介绍 ---------- */
.intro-grid{display:grid;grid-template-columns:1.5fr .9fr;gap:30px;align-items:start;}
.intro-copy p{color:var(--text-2);font-size:16px;line-height:1.9;}
.intro-copy p + p{margin-top:18px;}
.intro-copy h2{font-size:24px;margin-bottom:18px;}
.fact-panel{
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow);
}
.fact-panel h3{font-size:15px;color:var(--text-1);margin-bottom:16px;letter-spacing:.02em;}
.fact-panel li{display:flex;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.07);font-size:14px;color:var(--text-2);}
.fact-panel li:last-child{border-bottom:0;}
.fact-panel li b{color:var(--text-1);font-weight:700;font-variant-numeric:tabular-nums;}

/* ---------- 主题卡 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-card);
  transition:var(--t);height:100%;
}
.card:hover{transform:translateY(-4px);border-color:rgba(34,224,200,.35);box-shadow:var(--shadow);}
.card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-deep);}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.card:hover .thumb img{transform:scale(1.04);}
.card .body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card h3{font-size:17px;line-height:1.5;}
.card .desc{color:var(--text-2);font-size:14px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card .meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--text-3);font-size:13px;padding-top:12px;border-top:1px solid var(--line);}
.card .meta i{color:var(--accent);transition:var(--t);}
.card:hover .meta i{transform:translateX(4px);}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:260px 1fr;gap:34px;align-items:start;}
.faq-aside{position:sticky;top:96px;}
.faq-aside h3{font-size:16px;margin-bottom:12px;}
.faq-aside p{font-size:14px;color:var(--text-2);line-height:1.85;}
.faq-aside .ask{display:inline-flex;margin-top:18px;align-items:center;gap:8px;font-size:14px;color:var(--accent);transition:var(--t);}
.faq-aside .ask:hover{color:#fff;transform:translateX(3px);}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  transition:var(--t);
}
.faq-item:hover{border-color:rgba(46,107,255,.3);}
.faq-q{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:17px 20px 17px 26px;text-align:left;font-size:16px;font-weight:700;color:var(--text-1);transition:var(--t);
}
.faq-q::before{
  content:"";position:absolute;left:12px;top:50%;transform:translateY(-50%);
  width:3px;height:18px;border-radius:3px;background:var(--accent);opacity:0;transition:opacity var(--t);
  box-shadow:0 0 10px rgba(34,224,200,.7);
}
.faq-q .ic{flex:0 0 auto;width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;color:var(--text-3);font-size:13px;transition:var(--t);}
.faq-item.is-open .faq-q{color:var(--accent);}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-item.is-open .faq-q .ic{transform:rotate(180deg);color:var(--accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a .inner{padding:0 24px 20px 26px;color:var(--text-2);font-size:15px;line-height:1.9;border-top:1px solid var(--line);padding-top:16px;margin:0 20px 0 26px;padding-left:0;padding-right:0;}

/* ---------- 处理流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.flow-item{
  position:relative;background:var(--surface-2);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px 24px;transition:var(--t);
}
.flow-item:hover{transform:translateY(-4px);border-color:rgba(34,224,200,.32);}
.flow-item .num{
  font-size:34px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1px rgba(34,224,200,.55);margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.flow-item h3{font-size:17px;margin-bottom:10px;}
.flow-item p{color:var(--text-2);font-size:14px;line-height:1.8;}

/* ---------- 底部双栏 ---------- */
.duo{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch;}
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:0 1px 0 rgba(255,255,255,.05) inset;
}
.panel h3{font-size:19px;margin-bottom:8px;}
.panel .sub{color:var(--text-2);font-size:14px;margin-bottom:22px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
.field label{font-size:13px;color:var(--text-2);letter-spacing:.02em;}
.field input,.field select,.field textarea{
  width:100%;min-height:44px;padding:11px 14px;border-radius:10px;
  background:rgba(6,10,20,.72);border:1px solid var(--line);color:var(--text-1);
  font-size:15px;transition:var(--t);
}
.field textarea{min-height:118px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(34,224,200,.16);
}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:var(--radius-btn);
  background:linear-gradient(135deg,var(--brand),var(--accent));
  color:#04101F;font-weight:800;font-size:15px;letter-spacing:.01em;
  transition:var(--t);border:0;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(46,107,255,.45);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 14px rgba(46,107,255,.35);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--radius-btn);
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text-1);
  font-size:15px;font-weight:600;transition:var(--t);
}
.btn-ghost:hover{border-color:rgba(34,224,200,.5);background:rgba(46,107,255,.14);transform:translateY(-2px);}
.form-note{font-size:12px;color:var(--text-3);margin-top:14px;}
.contact-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);}
.contact-list li:last-child{border-bottom:0;}
.contact-list i{width:38px;height:38px;flex:0 0 auto;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(46,107,255,.14);color:var(--accent);font-size:15px;border:1px solid rgba(46,107,255,.22);}
.contact-list .k{font-size:14px;font-weight:700;color:var(--text-1);}
.contact-list .v{font-size:14px;color:var(--text-2);margin-top:2px;}
.contact-list .v a{color:var(--accent);}
.contact-list .v a:hover{text-decoration:underline;}

/* ---------- 入口卡 ---------- */
.entry-card{
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  background:linear-gradient(120deg,rgba(46,107,255,.20),rgba(34,224,200,.10));
  border:1px solid rgba(46,107,255,.32);border-radius:var(--radius-card);
  padding:30px 32px;transition:var(--t);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(34,224,200,.45);}
.entry-card h3{font-size:21px;margin-bottom:8px;}
.entry-card p{color:var(--text-2);font-size:14px;max-width:620px;}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 26px;margin-top:20px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1.3fr 1.2fr;gap:32px;}
.foot-col h4{font-size:14px;color:var(--text-1);margin-bottom:16px;letter-spacing:.04em;}
.foot-brand{margin-bottom:14px;}
.foot-brand-desc{color:var(--text-2);font-size:14px;line-height:1.85;}
.foot-links li{margin-bottom:10px;}
.foot-links a{color:var(--text-2);font-size:14px;transition:var(--t);}
.foot-links a:hover{color:var(--accent);}
.foot-contact li{display:flex;gap:10px;color:var(--text-2);font-size:14px;line-height:1.8;margin-bottom:12px;}
.foot-contact i{color:var(--accent);margin-top:5px;font-size:13px;}
.foot-sub-form{display:flex;gap:10px;}
.foot-sub-form input{
  flex:1;min-height:44px;padding:0 14px;border-radius:10px;background:rgba(6,10,20,.7);
  border:1px solid var(--line);color:var(--text-1);font-size:14px;transition:var(--t);
}
.foot-sub-form input::placeholder{color:var(--text-3);}
.foot-sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(34,224,200,.16);}
.foot-sub-form button{
  min-height:44px;padding:0 20px;border-radius:10px;font-weight:700;font-size:14px;
  background:linear-gradient(135deg,var(--brand),var(--accent));color:#04101F;transition:var(--t);border:0;
}
.foot-sub-form button:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(46,107,255,.4);}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--text-3);font-size:13px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px;}
}
@media (max-width:1023px){
  :root{--nav-w:0px;}
  .shell{padding-left:0;padding-top:56px;}
  .side-nav{
    top:0;left:0;right:0;bottom:auto;width:100%;height:56px;
    flex-direction:row;align-items:center;padding:0 16px;border-right:0;border-bottom:1px solid var(--line);
  }
  .nav-top{width:100%;}
  .nav-burger{display:inline-flex;}
  .side-menu{
    position:fixed;top:56px;left:0;right:0;margin-top:0;padding:14px 16px 22px;gap:8px;
    background:rgba(6,10,20,.97);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);display:none;max-height:calc(100vh - 56px);overflow-y:auto;
  }
  .side-nav.is-open .side-menu{display:flex;}
  .side-menu a{min-height:48px;font-size:16px;}
  .nav-foot{display:none;}
  .intro-grid{grid-template-columns:1fr;}
  .faq-layout{grid-template-columns:1fr;}
  .faq-aside{position:static;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .duo{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .section{padding:48px 0;}
  .section-tight{padding:38px 0;}
  .banner-inner{padding:38px 0 34px;}
  .flow{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:639px){
  .container{padding:0 18px;}
  .grid-3{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .sec-head{align-items:flex-start;}
  .entry-card{padding:24px 20px;}
  .panel{padding:22px;}
  .btn-primary,.btn-ghost{width:100%;}
  .foot-sub-form{flex-direction:column;}
  .foot-sub-form button{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}