/* roulang page: index */
:root{
  --brand:#7A3BFF;
  --brand-deep:#4B17C9;
  --accent:#17E0C0;
  --hot-a:#FF4D6D;
  --hot-b:#FF8A3D;
  --bg:#0B0C10;
  --surface:#14161D;
  --surface-2:#1C1F29;
  --line:rgba(255,255,255,.08);
  --text:#F4F5F8;
  --muted:#9AA1B2;
  --paper:#F7F8FA;
  --paper-text:#1A1C22;
  --radius-card:16px;
  --radius-sm:10px;
  --radius-v:20px;
  --shadow-card:0 10px 30px rgba(0,0,0,.45);
  --shadow-hover:0 0 0 1px rgba(122,59,255,.55), 0 16px 44px rgba(122,59,255,.22);
  --ease:220ms ease-out;
}

*{box-sizing:border-box;}

.site-body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
.site-body h1,.site-body h2,.site-body h3,.site-body h4,.site-body p,.site-body ul,.site-body figure{margin:0;}
.site-body ul{padding:0;list-style:none;}
.site-body a{color:inherit;text-decoration:none;}
.site-body img{display:block;max-width:100%;}
.site-body button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}

.num{font-family:Inter,system-ui,-apple-system,sans-serif;font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 16px;
}
@media (min-width:768px){ .wrap{padding:0 24px;} }
@media (min-width:1024px){ .wrap{padding:0 40px;} }

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  background:rgba(11,12,16,.85);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background var(--ease), box-shadow var(--ease), border-color var(--ease);
}
.site-header.is-scrolled{
  background:rgba(11,12,16,.98);
  box-shadow:0 8px 26px rgba(0,0,0,.5);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:56px;
}
@media (min-width:1024px){ .nav-inner{height:66px;} }

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(122,59,255,.4);
  flex:0 0 auto;
}
.brand-mark svg{width:16px;height:16px;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.brand-sub{font-size:10px;color:var(--muted);letter-spacing:.16em;text-transform:uppercase;}

.nav-links{display:none;align-items:center;gap:4px;}
@media (min-width:1024px){ .nav-links{display:flex;} }
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:14px;
  color:var(--muted);
  border-radius:var(--radius-sm);
  transition:color var(--ease), background var(--ease);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04);}
.nav-link:hover::after,
.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text);font-weight:600;}

.nav-right{display:flex;align-items:center;gap:10px;}
.nav-search{
  display:none;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 14px;
  border-radius:999px;
  background:var(--surface-2);
  border:1px solid var(--line);
  transition:border-color var(--ease), box-shadow var(--ease);
}
@media (min-width:1024px){ .nav-search{display:flex;} }
.nav-search:focus-within{
  border-color:var(--accent);
  box-shadow:0 0 0 2px rgba(23,224,192,.28);
}
.nav-search svg{width:15px;height:15px;color:var(--muted);flex:0 0 auto;}
.nav-search input{
  width:132px;
  background:transparent;
  border:0;
  outline:none;
  color:var(--text);
  font-size:14px;
}
.nav-search input::placeholder{color:var(--muted);font-size:13px;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  padding:12px 24px;
  transition:transform var(--ease), box-shadow var(--ease), background var(--ease), color var(--ease), border-color var(--ease);
  white-space:nowrap;
  line-height:1.2;
  cursor:pointer;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#fff;
  box-shadow:0 10px 24px rgba(122,59,255,.34);
}
.btn-primary:hover{
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 14px 30px rgba(122,59,255,.46);
}
.btn-primary:active{transform:translateY(1px);filter:brightness(.94);}
.btn-ghost{
  background:transparent;
  border:1px solid rgba(255,255,255,.18);
  color:var(--text);
}
.btn-ghost:hover{
  border-color:var(--accent);
  color:var(--accent);
  transform:translateY(-1px);
}
.btn-ghost:active{transform:translateY(1px);}
.btn-hot{
  background:linear-gradient(135deg,var(--hot-a),var(--hot-b));
  color:#fff;
  box-shadow:0 10px 24px rgba(255,77,109,.34);
}
.btn-hot:hover{filter:brightness(1.08);transform:translateY(-1px);}
.btn-hot:active{transform:translateY(1px);filter:brightness(.94);}
.btn-sm{padding:9px 18px;font-size:14px;}

.nav-cta{display:none;}
@media (min-width:1024px){ .nav-cta{display:inline-flex;} }

.burger{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:var(--surface-2);
}
@media (min-width:1024px){ .burger{display:none;} }
.burger span{
  display:block;
  width:16px;height:2px;
  background:var(--text);
  border-radius:2px;
  position:relative;
}
.burger span::before,
.burger span::after{
  content:"";
  position:absolute;left:0;
  width:16px;height:2px;background:var(--text);border-radius:2px;
}
.burger span::before{top:-5px;}
.burger span::after{top:5px;}

.drawer-mask{
  position:fixed;inset:0;
  background:rgba(0,0,0,.6);
  opacity:0;visibility:hidden;
  transition:opacity var(--ease), visibility var(--ease);
  z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(84vw,340px);
  background:var(--surface);
  border-left:1px solid var(--line);
  transform:translateX(100%);
  transition:transform 260ms ease-out;
  z-index:95;
  display:flex;
  flex-direction:column;
  padding:22px 20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:36px;height:36px;border-radius:var(--radius-sm);
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;color:var(--muted);
}
.drawer-close:hover{color:var(--accent);border-color:var(--accent);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-link{
  padding:13px 14px;
  border-radius:var(--radius-sm);
  font-size:15px;
  color:var(--muted);
  border:1px solid transparent;
  transition:all var(--ease);
}
.drawer-link:hover{color:var(--text);background:var(--surface-2);}
.drawer-link.is-active{color:var(--accent);border-color:rgba(23,224,192,.35);background:rgba(23,224,192,.06);font-weight:600;}
.drawer-bottom{margin-top:auto;padding-top:24px;}
.drawer-bottom .btn{width:100%;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding-top:96px;
  padding-bottom:64px;
  overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center right;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(120% 90% at 78% 40%, rgba(122,59,255,.55) 0%, rgba(122,59,255,.14) 42%, rgba(11,12,16,0) 72%),
    linear-gradient(180deg, rgba(11,12,16,.86) 0%, rgba(11,12,16,.93) 58%, var(--bg) 100%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1fr;
  gap:48px;
  align-items:center;
}
@media (min-width:1024px){
  .hero{padding-top:130px;padding-bottom:88px;}
  .hero-inner{grid-template-columns:minmax(0,46fr) minmax(0,54fr);gap:56px;}
}

.kw-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(23,224,192,.35);
  background:rgba(23,224,192,.07);
  color:var(--accent);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  margin-bottom:22px;
}
.kw-pill .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(23,224,192,.16);
}

.hero-title{
  font-size:clamp(30px,5.2vw,58px);
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.01em;
  margin-bottom:20px;
}
.hero-title em{
  font-style:normal;
  background:linear-gradient(120deg,var(--accent),var(--brand));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  font-size:17px;
  line-height:1.8;
  color:var(--muted);
  max-width:560px;
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}

.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
  max-width:480px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.stat-num{
  font-size:24px;
  font-weight:700;
  color:var(--text);
  line-height:1.2;
}
.stat-num small{font-size:13px;font-weight:600;color:var(--accent);margin-left:2px;}
.stat-label{font-size:12px;color:var(--muted);margin-top:4px;}

/* 竖屏视频墙 */
.hero-visual{position:relative;}
.vwall{
  display:flex;
  align-items:center;
  justify-content:center;
}
.vcard{
  position:relative;
  aspect-ratio:9/16;
  border-radius:var(--radius-v);
  overflow:hidden;
  flex:0 0 auto;
  border:1px solid rgba(255,255,255,.12);
  background:var(--surface-2);
}
.vcard img{width:100%;height:100%;object-fit:cover;}
.vcard::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,12,16,.15) 0%,rgba(11,12,16,.05) 42%,rgba(11,12,16,.9) 100%);
}
.vcard-side{width:33%;transform:scale(.86);opacity:.55;z-index:1;}
.vcard-side:first-child{margin-right:-5%;}
.vcard-side:last-child{margin-left:-5%;}
.vcard-main{
  width:42%;
  z-index:3;
  box-shadow:0 26px 70px rgba(0,0,0,.68), 0 0 0 1px rgba(122,59,255,.4);
  transition:transform var(--ease);
}
.vcard-main:hover{transform:translateY(-4px);}
.vcard-tag{
  position:absolute;top:12px;left:12px;z-index:4;
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;border-radius:8px;
  background:rgba(255,77,109,.92);
  font-size:11px;font-weight:600;color:#fff;letter-spacing:.03em;
}
.vcard-tag i{
  width:5px;height:5px;border-radius:50%;background:#fff;
  animation:blink 1.4s infinite;
}
@keyframes blink{0%,100%{opacity:1;}50%{opacity:.25;}}
.vcard-time{
  position:absolute;right:12px;bottom:56px;z-index:4;
  padding:3px 9px;border-radius:999px;
  background:rgba(11,12,16,.72);
  border:1px solid rgba(255,255,255,.16);
  font-size:11px;font-weight:600;color:#fff;
}
.vcard-cap{
  position:absolute;left:0;right:0;bottom:0;z-index:4;
  padding:10px 12px;
  font-size:13px;line-height:1.5;
  color:#fff;
  background:linear-gradient(180deg,rgba(11,12,16,0),rgba(11,12,16,.92));
  min-height:44px;
  display:flex;align-items:flex-end;
}
.vcard-play{
  position:absolute;left:50%;top:50%;z-index:5;
  transform:translate(-50%,-50%);
  width:52px;height:52px;border-radius:50%;
  background:rgba(11,12,16,.5);
  border:1px solid rgba(255,255,255,.3);
  display:flex;align-items:center;justify-content:center;
  transition:transform var(--ease), background var(--ease);
  backdrop-filter:blur(4px);
}
.vcard-play svg{width:18px;height:18px;color:#fff;}
.vcard:hover .vcard-play{transform:translate(-50%,-50%) scale(1.1);background:rgba(122,59,255,.75);}

.hero-thumbs{display:none;}
@media (max-width:1023px){
  .vcard-side{display:none;}
  .vcard-main{width:62%;max-width:280px;}
  .hero-thumbs{
    display:flex;
    gap:12px;
    margin-top:20px;
    overflow-x:auto;
    padding-bottom:6px;
    scroll-snap-type:x mandatory;
  }
  .hero-thumbs li{
    flex:0 0 96px;
    scroll-snap-align:start;
    border-radius:12px;
    overflow:hidden;
    border:1px solid var(--line);
    aspect-ratio:9/16;
    position:relative;
    background:var(--surface-2);
  }
  .hero-thumbs img{width:100%;height:100%;object-fit:cover;}
  .hero-thumbs span{
    position:absolute;left:6px;bottom:6px;
    font-size:10px;color:#fff;
    text-shadow:0 1px 4px rgba(0,0,0,.9);
  }
}

/* ============ 通用板块 ============ */
.section{padding:56px 0;}
@media (min-width:1024px){ .section{padding:88px 0;} }
.section-tight{padding:40px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:32px;
  flex-wrap:wrap;
}
.section-title{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.005em;
}
.section-desc{
  font-size:14px;
  color:var(--muted);
  margin-top:8px;
  max-width:620px;
  line-height:1.8;
}
.link-more{
  color:var(--accent);
  font-size:14px;
  font-weight:600;
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-thickness:1px;
  transition:text-decoration-thickness var(--ease), color var(--ease);
  white-space:nowrap;
}
.link-more:hover{text-decoration-thickness:2px;}

.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ============ 片段卡轨道 ============ */
.rail{
  display:flex;
  gap:18px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 16px 22px;
  margin:0 -16px;
  scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none;}
@media (min-width:768px){ .rail{padding:6px 24px 22px;margin:0 -24px;} }
@media (min-width:1024px){ .rail{padding:6px 40px 22px;margin:0 -40px;} }

.clip-card{
  position:relative;
  flex:0 0 78%;
  scroll-snap-align:start;
  aspect-ratio:9/16;
  border-radius:var(--radius-v);
  overflow:hidden;
  background:var(--surface-2);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform var(--ease), box-shadow var(--ease);
}
@media (min-width:640px){ .clip-card{flex:0 0 46%;} }
@media (min-width:768px){ .clip-card{flex:0 0 240px;} }
@media (min-width:1024px){ .clip-card{flex:0 0 262px;} }
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.clip-card img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 320ms ease-out;
}
.clip-card:hover img{transform:scale(1.03);}
.clip-card::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,12,16,.05) 0%,rgba(11,12,16,.35) 55%,rgba(11,12,16,.94) 100%);
}
.clip-badge{
  position:absolute;top:12px;left:12px;z-index:3;
  padding:3px 9px;border-radius:8px;
  background:rgba(122,59,255,.9);
  font-size:11px;font-weight:600;color:#fff;
}
.clip-hot{
  position:absolute;top:12px;right:12px;z-index:3;
  display:inline-flex;align-items:center;gap:4px;
  padding:3px 9px;border-radius:999px;
  background:rgba(11,12,16,.68);
  border:1px solid rgba(255,255,255,.14);
  font-size:11px;font-weight:600;color:var(--accent);
}
.clip-play{
  position:absolute;left:50%;top:50%;z-index:4;
  transform:translate(-50%,-50%);
  width:46px;height:46px;border-radius:50%;
  background:rgba(11,12,16,.46);
  border:1px solid rgba(255,255,255,.28);
  display:flex;align-items:center;justify-content:center;
  transition:transform var(--ease), background var(--ease);
}
.clip-play svg{width:16px;height:16px;color:#fff;}
.clip-card:hover .clip-play{transform:translate(-50%,-50%) scale(1.1);background:rgba(23,224,192,.7);}
.clip-body{
  position:absolute;left:0;right:0;bottom:0;z-index:4;
  padding:14px;
}
.clip-title{
  font-size:15px;
  font-weight:600;
  line-height:1.45;
  color:#fff;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.clip-meta{
  margin-top:6px;
  display:flex;align-items:center;gap:8px;
  font-size:12px;color:rgba(244,245,248,.75);
}
.clip-meta i{width:3px;height:3px;border-radius:50%;background:rgba(244,245,248,.5);}

/* ============ 种草清单 ============ */
.pick-list{border-top:1px solid var(--line);}
.pick-item{
  display:grid;
  grid-template-columns:56px minmax(0,1fr) 88px;
  gap:16px;
  align-items:center;
  padding:20px 12px;
  border-bottom:1px solid var(--line);
  border-radius:12px;
  transition:background var(--ease), transform var(--ease);
}
@media (min-width:768px){ .pick-item{grid-template-columns:84px minmax(0,1fr) 88px;gap:24px;padding:24px 16px;} }
.pick-item:hover{background:rgba(255,255,255,.035);}
.pick-num{
  font-family:Inter,system-ui,sans-serif;
  font-size:34px;
  font-weight:800;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1px rgba(122,59,255,.95);
  letter-spacing:-.02em;
}
@media (min-width:768px){ .pick-num{font-size:48px;} }
.pick-item:hover .pick-num{-webkit-text-stroke-color:var(--accent);}
.pick-title{
  font-size:17px;
  font-weight:600;
  line-height:1.45;
  margin-bottom:6px;
  transition:color var(--ease);
}
.pick-item:hover .pick-title{color:var(--accent);}
.pick-desc{
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.pick-thumb{
  width:88px;height:88px;
  border-radius:12px;
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface-2);
}
.pick-thumb img{width:100%;height:100%;object-fit:cover;}

/* ============ 口碑跑马灯 ============ */
.marquee{
  position:relative;
  overflow:hidden;
  padding:8px 0;
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.marquee-track{
  display:flex;
  gap:20px;
  width:max-content;
  animation:marquee 40s linear infinite;
}
.marquee:hover .marquee-track{animation-play-state:paused;}
@keyframes marquee{
  from{transform:translateX(0);}
  to{transform:translateX(-50%);}
}
.review-card{
  flex:0 0 288px;
  border-radius:14px;
  background:var(--surface-2);
  border:1px solid var(--line);
  padding:18px;
}
.review-top{display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.review-avatar{
  width:40px;height:40px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:#fff;
  flex:0 0 auto;
}
.review-name{font-size:13px;color:var(--muted);}
.review-stars{
  display:flex;gap:2px;
  font-size:12px;
  color:var(--accent);
  letter-spacing:1px;
}
.review-text{
  font-size:15px;
  line-height:1.75;
  color:var(--text);
}

/* ============ 一键跟买条 ============ */
.buy-bar{
  border-radius:18px;
  background:linear-gradient(135deg,var(--hot-a),var(--hot-b));
  padding:20px 24px;
  display:flex;
  flex-direction:column;
  gap:16px;
  align-items:flex-start;
  box-shadow:0 18px 44px rgba(255,77,109,.24);
}
@media (min-width:768px){
  .buy-bar{
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    min-height:96px;
    padding:20px 28px;
  }
}
.buy-text{
  font-size:17px;
  font-weight:700;
  color:#fff;
  line-height:1.5;
  max-width:420px;
}
.buy-tags{display:flex;flex-wrap:wrap;gap:8px;}
.buy-tag{
  padding:5px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.2);
  border:1px solid rgba(255,255,255,.28);
  font-size:12px;
  font-weight:600;
  color:#fff;
}
.buy-btn{
  background:#fff;
  color:#D1335A;
  padding:12px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  transition:transform var(--ease), box-shadow var(--ease);
  white-space:nowrap;
  display:inline-flex;align-items:center;gap:8px;
}
.buy-btn:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(0,0,0,.22);}
.buy-btn:active{transform:translateY(1px);}

/* ============ CMS 列表 ============ */
.cms-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media (min-width:768px){ .cms-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
@media (min-width:1024px){ .cms-grid{grid-template-columns:repeat(3,minmax(0,1fr));} }

.cms-card{
  border-radius:var(--radius-card);
  background:var(--surface);
  border:1px solid var(--line);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform var(--ease), box-shadow var(--ease), border-color var(--ease);
  display:block;
}
.cms-card:hover{
  transform:translateY(-4px);
  border-color:rgba(122,59,255,.6);
  box-shadow:var(--shadow-hover);
}
@media (min-width:1024px){
  .cms-card--feature{grid-column:span 2;}
}
.cms-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--surface-2);
}
.cms-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 320ms ease-out;
}
.cms-card:hover .cms-media img{transform:scale(1.04);}
.cms-badge{
  position:absolute;top:12px;left:12px;
  padding:4px 10px;
  border-radius:8px;
  background:rgba(122,59,255,.92);
  color:#fff;
  font-size:11px;
  font-weight:600;
  letter-spacing:.02em;
}
.cms-body{padding:18px 20px 20px;}
.cms-title{
  font-size:18px;
  font-weight:600;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color var(--ease);
}
.cms-card:hover .cms-title{color:var(--accent);}
.cms-excerpt{
  margin-top:10px;
  font-size:14px;
  line-height:1.75;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.cms-meta{
  margin-top:16px;
  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(--muted);
}
.cms-arrow{color:var(--accent);font-weight:600;font-size:13px;}

.cms-empty{
  grid-column:1/-1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  padding:56px 20px;
  border-radius:var(--radius-card);
  border:1px dashed rgba(255,255,255,.16);
  background:var(--surface);
  text-align:center;
}
.cms-empty-icon{
  width:52px;height:52px;border-radius:50%;
  background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
}
.cms-empty-text{font-size:15px;color:var(--muted);}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border-radius:14px;
  background:var(--surface);
  border:1px solid var(--line);
  overflow:hidden;
  transition:border-color var(--ease), background var(--ease);
}
.faq-item:hover{border-color:rgba(122,59,255,.4);}
.faq-item.is-open{border-color:rgba(23,224,192,.42);background:var(--surface-2);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  color:var(--text);
}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 auto;}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--accent);
  border-radius:2px;
  transition:transform 240ms ease-out;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 240ms ease-out;
}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-a-inner{
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
}

/* ============ 页面尾部 CTA ============ */
.tail-cta{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface);
  padding:36px 24px;
  text-align:center;
}
@media (min-width:768px){ .tail-cta{padding:52px 48px;} }
.tail-cta::before{
  content:"";
  position:absolute;inset:0;
  background:radial-gradient(90% 120% at 50% 0%, rgba(122,59,255,.4) 0%, rgba(11,12,16,0) 68%);
}
.tail-cta-inner{position:relative;z-index:2;}
.tail-title{
  font-size:clamp(20px,2.4vw,28px);
  font-weight:700;
  line-height:1.35;
  margin-bottom:12px;
}
.tail-desc{
  font-size:15px;
  color:var(--muted);
  max-width:560px;
  margin:0 auto 26px;
  line-height:1.8;
}
.tail-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* ============ 页脚 ============ */
.site-footer{
  background:#07080B;
  border-top:1px solid rgba(122,59,255,.3);
  margin-top:56px;
}
@media (min-width:1024px){ .site-footer{margin-top:88px;} }
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  padding:48px 0 36px;
}
@media (min-width:768px){ .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:40px;} }
.footer-brand{display:flex;flex-direction:column;gap:14px;}
.footer-slogan{font-size:13px;color:var(--muted);letter-spacing:.04em;}
.footer-kw{font-size:14px;color:var(--text);font-weight:600;}
.footer-title{
  font-size:14px;
  font-weight:700;
  margin-bottom:16px;
  color:var(--text);
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-link{
  font-size:14px;
  color:var(--muted);
  transition:color var(--ease), transform var(--ease);
  display:inline-block;
}
.footer-link:hover{color:var(--accent);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:18px 0;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  justify-content:space-between;
  font-size:12.5px;
  color:var(--muted);
}

/* ============ 焦点可见 ============ */
a:focus-visible,
button:focus-visible,
input:focus-visible{
  outline:2px solid #17E0C0;
  outline-offset:2px;
  border-radius:6px;
}

/* 入场动画 */
.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity 520ms ease-out, transform 520ms ease-out;
}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .marquee-track{animation:none;}
}

/* roulang page: article */
:root{
  --brand:#7A3BFF;
  --brand-deep:#4B17C9;
  --accent:#17E0C0;
  --hot-a:#FF4D6D;
  --hot-b:#FF8A3D;
  --bg:#0B0C10;
  --surface:#14161D;
  --surface-2:#1C1F29;
  --line:rgba(255,255,255,.08);
  --text:#F4F5F8;
  --muted:#9AA1B2;
  --paper:#F7F8FA;
  --paper-text:#1A1C22;
  --r-card:16px;
  --r-sm:10px;
  --r-lg:20px;
  --r-btn:999px;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --shadow-hover:0 0 0 1px rgba(122,59,255,.55),0 16px 44px rgba(122,59,255,.22);
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font-cn);font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;background:none;border:0;color:inherit}
input{font:inherit}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}
@media (max-width:1024px){.wrap{padding:0 24px}}
@media (max-width:640px){.wrap{padding:0 16px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(20,22,29,.85);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:#14161D;box-shadow:0 8px 26px rgba(0,0,0,.5)}
.nav-inner{display:flex;align-items:center;gap:28px;height:64px}
@media (max-width:1024px){.nav-inner{height:56px;gap:14px}}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  display:grid;place-items:center;
  box-shadow:0 6px 18px rgba(122,59,255,.35);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:15px;font-weight:700;letter-spacing:.01em}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:22px;list-style:none;padding:0;margin:0}
.nav-link{
  position:relative;display:inline-block;padding:6px 2px;
  font-size:14.5px;color:var(--muted);transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-14px;height:2px;
  background:var(--accent);border-radius:2px;opacity:0;transform:scaleX(.4);
  transition:opacity .2s ease,transform .2s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{opacity:.6;transform:scaleX(1)}
.nav-link.is-active{color:#fff;font-weight:600}
.nav-link.is-active::after{opacity:1;transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:var(--surface-2);border:1px solid var(--line);
  border-radius:12px;padding:7px 12px;transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search svg{width:16px;height:16px;color:var(--muted);flex:0 0 auto}
.nav-search input{
  width:132px;background:transparent;border:0;outline:none;color:var(--text);
  font-size:14px;
}
.nav-search input::placeholder{color:var(--muted)}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px rgba(23,224,192,.22)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;font-size:15px;
  padding:12px 24px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#fff;box-shadow:0 8px 22px rgba(122,59,255,.35);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 12px 28px rgba(122,59,255,.45)}
.btn-primary:active{transform:translateY(1px);filter:brightness(.94)}
.btn-ghost{
  background:transparent;color:var(--text);border:1px solid rgba(255,255,255,.18);
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-hot{
  background:#fff;color:#8a1230;
}
.btn-hot:hover{filter:brightness(1.05);transform:translateY(-1px)}
.burger{
  display:none;width:40px;height:40px;flex:0 0 auto;position:relative;
  border:1px solid var(--line);border-radius:10px;background:transparent;
}
.burger span{
  display:block;position:absolute;left:50%;top:50%;width:18px;height:2px;
  background:var(--text);border-radius:2px;transform:translate(-50%,-50%);transition:background .25s ease;
}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);
  border-radius:2px;transition:transform .25s ease,top .25s ease;
}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.burger.is-open span{background:transparent}
.burger.is-open span::before{top:0;transform:rotate(45deg)}
.burger.is-open span::after{top:0;transform:rotate(-45deg)}
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-cta{display:none}
  .burger{display:block}
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.62);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:80;
  background:var(--surface);border-left:1px solid var(--line);
  padding:22px 20px 24px;overflow-y:auto;
  transform:translateX(105%);transition:transform .3s ease;
  display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);font-size:18px;line-height:1;color:var(--muted)}
.drawer-links{list-style:none;padding:12px 0;margin:0;display:flex;flex-direction:column}
.drawer-link{display:block;padding:13px 4px;font-size:15px;color:var(--text);border-bottom:1px solid var(--line)}
.drawer-link:hover,.drawer-link.is-active{color:var(--accent)}
.drawer-foot{margin-top:auto;padding-top:18px}
.drawer-foot .btn{width:100%}
body.no-scroll{overflow:hidden}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;padding:34px 0 40px;border-bottom:1px solid var(--line);
  background:
    radial-gradient(900px 320px at 12% 0%,rgba(122,59,255,.38),transparent 70%),
    linear-gradient(180deg,rgba(11,12,16,.86),rgba(11,12,16,.96)),
    url(/assets/images/backpic/back-1.png) center/cover no-repeat;
}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--accent)}
.crumb-current{max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#cfd3de}
.article-title{
  margin:0 0 18px;font-weight:700;color:#fff;
  font-size:clamp(26px,4vw,40px);line-height:1.34;letter-spacing:-.01em;
  max-width:900px;
}
.meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.meta-badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-sm);
  background:rgba(122,59,255,.18);border:1px solid rgba(122,59,255,.5);
  color:#c9b4ff;font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.meta-sep{color:rgba(255,255,255,.18)}
.meta-num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ---------- layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:40px;
  align-items:start;padding:44px 0 0;
}
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;padding:32px 0 0}
}
.paper-card{
  background:var(--paper);color:var(--paper-text);
  border-radius:18px;padding:48px;box-shadow:var(--shadow);
  overflow:hidden;
}
@media (max-width:768px){.paper-card{padding:30px 22px;border-radius:14px}}
.article-body{font-size:17px;line-height:1.85;color:var(--paper-text);word-break:break-word}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 18px}
.article-body h2{
  position:relative;margin:36px 0 14px;padding-left:14px;
  font-size:23px;line-height:1.4;font-weight:700;color:#12141A;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--accent));
}
.article-body h3{margin:26px 0 10px;font-size:19px;line-height:1.45;font-weight:650;color:#12141A}
.article-body h4{margin:22px 0 8px;font-size:17px;font-weight:650;color:#12141A}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 18px}
.article-body li{margin-bottom:8px}
.article-body ul{list-style:none;padding-left:20px}
.article-body ul li{position:relative}
.article-body ul li::before{
  content:"";position:absolute;left:-16px;top:.68em;width:7px;height:7px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 0 1px rgba(23,224,192,.35);
}
.article-body blockquote{
  margin:20px 0;padding:14px 18px;border-left:3px solid var(--accent);
  background:#EBEFF5;border-radius:12px;color:#3A3F4C;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:20px auto;height:auto}
.article-body a{color:#5A22D6;text-decoration:underline;text-underline-offset:4px}
.article-body a:hover{color:#8a1230}
.article-body code{
  font-family:var(--font-num);background:#E7EAF1;border-radius:6px;
  padding:2px 6px;font-size:.92em;color:#2A2F3A;
}
.article-body pre{
  background:#1A1C22;color:#E8EAF0;border-radius:12px;padding:18px;
  overflow-x:auto;font-family:var(--font-num);font-size:14px;line-height:1.7;
}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 18px;font-size:15px}
.article-body th,.article-body td{border:1px solid #D9DEE8;padding:10px 12px;text-align:left}
.article-body th{background:#ECEFF5;font-weight:650}
.article-body strong{font-weight:700;color:#0F1116}
.article-body hr{border:0;border-top:1px solid #DDE2EB;margin:28px 0}
.empty-state{display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;padding:34px 10px}
.empty-icon{
  width:64px;height:64px;border-radius:18px;display:grid;place-items:center;
  background:#E9ECF3;border:1px solid #D8DDE8;
}
.empty-icon svg{width:28px;height:28px;stroke:#8b93a6}
.empty-title{margin:0;font-size:20px;font-weight:700;color:#12141A}
.empty-desc{margin:0;max-width:420px;font-size:15px;color:#5A6070;line-height:1.75}

/* ---------- article footer ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 0}
.tag{
  display:inline-flex;align-items:center;padding:7px 14px;border-radius:var(--r-sm);
  background:var(--surface-2);border:1px solid var(--line);color:var(--muted);
  font-size:13px;transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.tag:hover{color:var(--accent);border-color:rgba(23,224,192,.5);transform:translateY(-2px)}
.back-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:26px}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
@media (max-width:1024px){.article-side{position:static}}
.side-card{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-card);padding:20px}
.side-title{
  position:relative;margin:0 0 14px;padding-left:10px;
  font-size:15px;font-weight:700;color:#fff;
}
.side-title::before{
  content:"";position:absolute;left:0;top:.25em;bottom:.25em;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--accent));
}
.side-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:2px}
.side-item a{
  display:flex;gap:10px;padding:10px 8px;border-radius:var(--r-sm);
  font-size:14.5px;line-height:1.55;color:var(--text);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.side-item a:hover{background:rgba(122,59,255,.16);color:var(--accent);transform:translateX(2px)}
.side-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:13px;font-weight:700;color:var(--brand);flex:0 0 auto;padding-top:2px;
}
.side-text{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-cta{
  border-radius:var(--r-card);padding:22px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:0 14px 34px rgba(75,23,201,.4);
}
.side-cta h3{margin:0 0 8px;font-size:17px;font-weight:700;color:#fff}
.side-cta p{margin:0 0 16px;font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.82)}

/* ---------- related ---------- */
.related{padding:64px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.section-title{margin:0;font-size:26px;font-weight:700;color:#fff;line-height:1.35}
.section-sub{margin:8px 0 0;font-size:14px;color:var(--muted)}
.link-more{font-size:14px;color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.link-more:hover{text-decoration-thickness:2px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media (max-width:960px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.card-grid{grid-template-columns:minmax(0,1fr)}}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(122,59,255,.5)}
.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0F1116}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-thumb img{transform:scale(1.04)}
.card-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,12,16,.06),rgba(11,12,16,.55));
}
.card-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-title{margin:0;font-size:17px;line-height:1.5;font-weight:650;color:#fff}
.card:hover .card-title{color:var(--accent)}
.card-desc{margin:0;font-size:14px;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);border-top:1px solid var(--line)}

/* ---------- cta bar ---------- */
.cta-bar{
  margin:64px 0 88px;border-radius:18px;padding:24px 28px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 45%,var(--hot-a) 100%);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  box-shadow:0 16px 40px rgba(75,23,201,.32);
}
.cta-bar h2{margin:0 0 6px;font-size:20px;font-weight:700;color:#fff}
.cta-bar p{margin:0;font-size:14px;color:rgba(255,255,255,.85)}
.cta-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.pill{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
@media (max-width:640px){.cta-bar{padding:20px;margin:48px 0 64px}}

/* ---------- footer ---------- */
.site-footer{margin-top:0;background:#07080B;border-top:1px solid rgba(122,59,255,.5);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:32px;padding-bottom:36px}
@media (max-width:768px){.footer-grid{grid-template-columns:minmax(0,1fr);gap:26px}}
.footer-brand .brand{margin-bottom:14px}
.footer-kw{margin:0 0 6px;font-size:14px;color:var(--text)}
.footer-slogan{margin:0;font-size:13px;color:var(--muted)}
.footer-title{margin:0 0 14px;font-size:14px;font-weight:700;color:#fff}
.footer-links{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-link{display:inline-block;font-size:14px;color:var(--muted);transition:color .2s ease,transform .2s ease}
.footer-link:hover{color:var(--accent);transform:translateX(2px)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:18px 0;font-size:12.5px;color:var(--muted);
}
@media (max-width:640px){
  .article-title{font-size:25px}
  .section-title{font-size:22px}
  .cta-bar h2{font-size:18px}
}

/* roulang page: category1 */
:root{
  --brand:#7A3BFF;
  --brand-deep:#4B17C9;
  --accent:#17E0C0;
  --hot-a:#FF4D6D;
  --hot-b:#FF8A3D;
  --bg:#0B0C10;
  --surface:#14161D;
  --surface-2:#1C1F29;
  --line:rgba(255,255,255,.08);
  --text:#F4F5F8;
  --muted:#9AA1B2;
  --soft:#C6CBD9;
  --paper:#F7F8FA;
  --paper-text:#1A1C22;
  --radius-card:16px;
  --radius-sm:10px;
  --radius-clip:20px;
  --radius-pill:999px;
  --shadow-card:0 10px 30px rgba(0,0,0,.45);
  --shadow-hover:0 0 0 1px rgba(122,59,255,.55), 0 16px 44px rgba(122,59,255,.22);
  --ease:220ms ease-out;
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0}
.site-body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
.site-body img{display:block;max-width:100%;height:auto}
.site-body a{color:inherit;text-decoration:none}
.site-body button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.site-body ul,.site-body ol{margin:0;padding:0;list-style:none}
.site-body p{margin:0}
.site-body h1,.site-body h2,.site-body h3,.site-body h4{margin:0}
.site-body input{font:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:768px){.wrap{padding:0 24px}}
@media (min-width:1024px){.wrap{padding:0 40px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(20,22,29,.85);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:#111219;box-shadow:0 8px 30px rgba(0,0,0,.5)}
.nav-inner{height:56px;display:flex;align-items:center;gap:16px}
@media (min-width:1024px){.nav-inner{height:64px;gap:24px}}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:32px;height:32px;border-radius:9px;flex:none;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  display:grid;place-items:center;
  box-shadow:0 6px 18px rgba(122,59,255,.35);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:block}
.brand-name{display:block;font-size:14.5px;font-weight:700;line-height:1.2;letter-spacing:.01em}
.brand-sub{display:block;font-size:11px;color:var(--muted);line-height:1.5;letter-spacing:.06em}
.nav-links{display:none;align-items:center;gap:2px;margin-left:8px}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-link{
  position:relative;display:block;padding:9px 12px;font-size:14px;
  color:var(--muted);border-radius:8px;transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--accent);border-radius:2px;
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-search{display:none;align-items:center;gap:8px;width:186px;padding:7px 12px;
  background:var(--surface-2);border:1px solid var(--line);border-radius:12px;
  transition:border-color var(--ease),box-shadow var(--ease);}
@media (min-width:1024px){.nav-search{display:flex}}
.nav-search svg{width:15px;height:15px;color:var(--muted);flex:none}
.nav-search input{width:100%;background:none;border:0;outline:none;color:var(--text);font-size:13px}
.nav-search input::placeholder{color:var(--muted)}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px rgba(23,224,192,.2)}
.nav-cta{display:none}
@media (min-width:1024px){.nav-cta{display:inline-flex}}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-pill);font-size:15px;font-weight:600;
  padding:12px 24px;white-space:nowrap;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),
             color var(--ease),border-color var(--ease),filter var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#fff;box-shadow:0 8px 24px rgba(122,59,255,.32);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);filter:brightness(.94)}
.btn-ghost{border:1px solid rgba(255,255,255,.18);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-ghost:active{transform:translateY(1px)}
.btn-white{background:#fff;color:#2A0A63}
.btn-white:hover{filter:brightness(1.04);transform:translateY(-1px)}
.btn-white:active{transform:translateY(1px)}
.btn-sm{padding:9px 18px;font-size:13.5px}
.burger{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;flex:none;
  transition:border-color var(--ease),background var(--ease);
}
.burger:hover{border-color:rgba(23,224,192,.5);background:rgba(255,255,255,.04)}
.burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.burger span::before{top:-6px}
.burger span::after{top:6px}
@media (min-width:1024px){.burger{display:none}}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;z-index:70;background:rgba(4,5,8,.65);
  opacity:0;pointer-events:none;transition:opacity .3s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;z-index:80;height:100%;width:min(84vw,340px);
  background:#111219;border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .3s ease;
  display:flex;flex-direction:column;gap:8px;padding:20px;
}
.drawer.is-open{transform:none}
@media (min-width:1024px){.drawer,.drawer-mask{display:none}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);font-size:18px;line-height:1;color:var(--muted)}
.drawer-close:hover{color:var(--accent);border-color:rgba(23,224,192,.5)}
.drawer-links{display:grid;gap:4px;margin-top:12px}
.drawer-links a{display:block;padding:12px 10px;border-radius:10px;font-size:15px;color:var(--soft);transition:background var(--ease),color var(--ease)}
.drawer-links a:hover{background:rgba(255,255,255,.05);color:var(--text)}
.drawer-links a.is-active{color:var(--accent);font-weight:600;background:rgba(23,224,192,.08)}
.drawer-cta{margin-top:auto}
body.no-scroll{overflow:hidden}

/* ============ 窄 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:112px 0 48px;
  min-height:250px;display:flex;align-items:center;
  background-image:
    linear-gradient(115deg,rgba(11,12,16,.95) 0%,rgba(11,12,16,.78) 42%,rgba(75,23,201,.55) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
@media (min-width:1024px){.page-hero{padding:148px 0 68px;min-height:280px}}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);margin-bottom:18px}
.crumb a{transition:color var(--ease)}
.crumb a:hover{color:var(--accent)}
.crumb .sep{opacity:.5}
.crumb .current{color:var(--soft)}
.hero-title{font-size:clamp(26px,4vw,40px);font-weight:700;line-height:1.3;margin:0 0 14px}
.hero-title em{font-style:normal;color:var(--accent)}
.hero-lead{margin:0 0 22px;max-width:760px;font-size:15.5px;line-height:1.85;color:var(--soft)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  font-size:12px;font-weight:600;letter-spacing:.02em;padding:6px 14px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--muted);
  transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease);
}
.tag:hover{color:var(--text);border-color:rgba(255,255,255,.22);transform:translateY(-1px)}
.tag.is-on{border-color:rgba(23,224,192,.5);color:var(--accent);background:rgba(23,224,192,.08)}

/* ============ 板块 ============ */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.section-tight{padding:40px 0}
@media (min-width:1024px){.section-tight{padding:56px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
@media (min-width:1024px){.section-head{margin-bottom:36px}}
.section-title{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.3}
.section-desc{margin-top:8px;font-size:14px;color:var(--muted);max-width:640px;line-height:1.8}
.more-link{font-size:14px;color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.more-link:hover{text-decoration-thickness:2px}
.hairline{height:1px;background:var(--line);border:0;margin:0}

/* 横滑轨道 */
.rail{
  display:flex;gap:16px;overflow-x:auto;padding:4px 4px 16px;margin:0 -4px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  flex:0 0 80%;max-width:340px;scroll-snap-align:start;
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
@media (min-width:768px){.rail-card{flex-basis:45%}}
@media (min-width:1024px){.rail-card{flex-basis:31.5%}}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(122,59,255,.55)}
.rail-cover{position:relative;aspect-ratio:16/9;overflow:hidden}
.rail-cover img{width:100%;height:100%;object-fit:cover;transition:transform 260ms ease-out}
.rail-card:hover .rail-cover img{transform:scale(1.04)}
.rail-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,12,16,.1),rgba(11,12,16,.72))}
.rail-badge{
  position:absolute;left:12px;top:12px;z-index:2;font-size:11px;font-weight:600;letter-spacing:.02em;
  padding:4px 10px;border-radius:var(--radius-pill);background:rgba(11,12,16,.74);
  border:1px solid var(--line);color:#fff;
}
.rail-body{padding:18px}
.rail-title{font-size:17px;font-weight:600;line-height:1.45}
.rail-text{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.8}
.rail-link{display:inline-block;margin-top:14px;font-size:13.5px;color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.rail-link:hover{text-decoration-thickness:2px}

/* 竖屏片段栅格 */
.clip-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (min-width:768px){.clip-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}}
@media (min-width:1024px){.clip-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}}
.clip-card{
  position:relative;display:block;border-radius:var(--radius-clip);overflow:hidden;
  background:var(--surface-2);border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(122,59,255,.55)}
.clip-thumb{position:relative;aspect-ratio:9/16;overflow:hidden;background:var(--surface-2)}
.clip-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 260ms ease-out}
.clip-card:hover .clip-thumb img{transform:scale(1.04)}
.clip-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,12,16,.05) 34%,rgba(11,12,16,.62) 68%,rgba(11,12,16,.95) 100%);
}
.clip-badge{
  position:absolute;left:10px;top:10px;z-index:3;display:inline-flex;align-items:center;gap:6px;
  font-size:11px;font-weight:600;letter-spacing:.02em;padding:4px 10px;border-radius:var(--radius-pill);
  background:rgba(11,12,16,.74);border:1px solid var(--line);color:#fff;
}
.clip-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--hot-a);box-shadow:0 0 0 3px rgba(255,77,109,.22)}
.clip-badge.is-new .dot{background:var(--accent);box-shadow:0 0 0 3px rgba(23,224,192,.22)}
.clip-time{
  position:absolute;right:10px;top:10px;z-index:3;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:11px;font-weight:600;padding:3px 8px;border-radius:var(--radius-pill);
  background:rgba(11,12,16,.78);border:1px solid var(--line);color:#fff;
}
.clip-play{
  position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);z-index:3;
  width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
  background:rgba(11,12,16,.55);border:1px solid rgba(255,255,255,.25);
  transition:transform var(--ease),background var(--ease),border-color var(--ease);
}
.clip-card:hover .clip-play{transform:translate(-50%,-50%) scale(1.1);background:rgba(122,59,255,.82);border-color:rgba(255,255,255,.4)}
.clip-play svg{width:15px;height:15px;fill:#fff;margin-left:2px}
.clip-body{position:absolute;left:0;right:0;bottom:0;z-index:3;padding:16px 13px}
.clip-title{
  font-size:13.5px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
@media (min-width:768px){.clip-title{font-size:15px}}
.clip-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:8px;font-size:11.5px;color:var(--soft)}
.clip-meta .cat{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.heat{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:600;color:var(--accent);flex:none}

/* 数据条 */
.stat-strip{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;
  padding:22px;border-radius:var(--radius-card);
  background:linear-gradient(180deg,rgba(28,31,41,.9),rgba(20,22,29,.9));
  border:1px solid var(--line);
}
@media (min-width:768px){.stat-strip{padding:28px 32px;gap:24px}}
.stat-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:clamp(22px,3.2vw,30px);font-weight:700;line-height:1.2}
.stat-num small{font-size:12.5px;font-weight:600;color:var(--muted);margin-left:4px}
.stat-label{margin-top:6px;font-size:12px;color:var(--muted);letter-spacing:.02em}

/* 编号清单 */
.number-list{border-top:1px solid var(--line)}
.number-item{
  display:flex;align-items:flex-start;gap:20px;padding:22px 10px;
  border-bottom:1px solid var(--line);
  transition:background var(--ease);
}
@media (min-width:768px){.number-item{gap:28px;padding:26px 14px}}
.number-item:hover{background:rgba(255,255,255,.035)}
.number-idx{
  flex:none;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:34px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1px var(--brand);min-width:52px;
}
@media (min-width:768px){.number-idx{font-size:44px;min-width:66px}}
.number-body h3{font-size:16.5px;font-weight:600;line-height:1.5}
.number-body p{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.8}
.number-body .rail-link{margin-top:10px}

/* 口碑跑马灯 */
.marquee{
  position:relative;overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);
}
.marquee-track{display:flex;gap:16px;width:max-content;animation:marqueeMove 40s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes marqueeMove{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.review-card{
  width:286px;flex:none;padding:18px;border-radius:14px;
  background:var(--surface-2);border:1px solid var(--line);
  transition:border-color var(--ease),transform var(--ease);
}
.review-card:hover{border-color:rgba(23,224,192,.45);transform:translateY(-2px)}
.review-head{display:flex;align-items:center;gap:10px}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:none;display:grid;place-items:center;
  font-size:14px;font-weight:700;color:#0B0C10;
  background:linear-gradient(135deg,var(--brand),var(--accent));
}
.review-name{font-size:13px;color:var(--muted)}
.stars{margin-left:auto;font-size:12px;letter-spacing:2px;color:var(--accent)}
.review-text{margin-top:12px;font-size:15px;line-height:1.75;color:#E6E9F0}

/* CTA 条 */
.buy-bar{
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  padding:22px 24px;border-radius:18px;color:#fff;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 48%,var(--hot-b) 100%);
  box-shadow:0 18px 44px rgba(75,23,201,.32);
}
@media (max-width:767px){
  .buy-bar{flex-direction:column;align-items:flex-start;gap:16px;padding:22px 20px}
  .buy-bar .btn{width:100%}
}
.buy-text{flex:1 1 240px;font-size:16.5px;font-weight:600;line-height:1.6}
.buy-tags{display:flex;flex-wrap:wrap;gap:10px}
.buy-tag{font-size:12px;font-weight:600;padding:6px 14px;border-radius:var(--radius-pill);background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.26)}

/* ============ 页脚 ============ */
.site-footer{background:#08090D;border-top:1px solid rgba(122,59,255,.35);padding:52px 0 22px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:40px}}
.footer-brand .brand-mark{width:32px;height:32px}
.footer-kw{margin:16px 0 4px;font-size:14px;color:var(--soft)}
.footer-slogan{margin:0;font-size:13px;color:var(--muted)}
.footer-title{font-size:14px;font-weight:700;margin:0 0 14px}
.footer-links{display:grid;gap:10px}
.footer-link{display:inline-block;font-size:14px;color:var(--muted);transition:color var(--ease),transform var(--ease)}
.footer-link:hover{color:var(--accent);transform:translateX(2px)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--muted);
}
@media (max-width:519px){
  .stat-strip{grid-template-columns:1fr;gap:16px}
  .hero-lead{font-size:15px}
}

/* roulang page: category2 */
:root{
  --brand:#7A3BFF;
  --brand-deep:#4B17C9;
  --accent:#17E0C0;
  --hot-a:#FF4D6D;
  --hot-b:#FF8A3D;
  --bg:#0B0C10;
  --surface:#14161D;
  --surface-2:#1C1F29;
  --line:rgba(255,255,255,.08);
  --text:#F4F5F8;
  --muted:#9AA1B2;
  --paper:#F7F8FA;
  --paper-text:#1A1C22;
  --r-card:16px;
  --r-sm:10px;
  --r-pill:999px;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --shadow-hover:0 0 0 1px rgba(122,59,255,.55),0 16px 44px rgba(122,59,255,.22);
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:768px){.wrap{padding:0 24px}}
@media (min-width:1024px){.wrap{padding:0 40px}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);border:0;
  padding:13px 26px;font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .22s ease-out,filter .22s ease-out,border-color .22s ease-out,color .22s ease-out,background-color .22s ease-out;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#fff;box-shadow:0 8px 22px rgba(122,59,255,.32)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);filter:brightness(.94)}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.18);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 18px;font-size:13px}
.link-more{
  color:var(--accent);font-size:14px;font-weight:600;
  text-underline-offset:4px;text-decoration:underline;text-decoration-thickness:1px;
  transition:text-decoration-thickness .2s ease,color .2s ease;
}
.link-more:hover{text-decoration-thickness:2px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(20,22,29,.85);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:#14161D;box-shadow:0 8px 26px rgba(0,0,0,.45)}
.nav-inner{display:flex;align-items:center;gap:18px;height:64px}
@media (max-width:1023px){.nav-inner{height:56px;gap:10px}}

.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:var(--r-sm);flex-shrink:0;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  display:grid;place-items:center;
  box-shadow:0 0 0 1px rgba(122,59,255,.55),0 6px 18px rgba(122,59,255,.28);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.03em}
@media (max-width:520px){.brand-name{font-size:13.5px}.brand-sub{display:none}}

.nav-links{display:flex;align-items:center;gap:2px;margin-left:14px}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 13px;font-size:14px;color:var(--muted);
  border-radius:var(--r-sm);transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  background:var(--accent);border-radius:2px;
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:196px;padding:7px 14px;
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search svg{width:15px;height:15px;color:var(--muted);flex-shrink:0}
.nav-search input{
  width:100%;border:0;background:transparent;outline:none;
  color:var(--text);font-size:13px;font-family:var(--font-cn);
}
.nav-search input::placeholder{color:var(--muted)}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px rgba(23,224,192,.22)}

.burger{
  display:none;position:relative;width:40px;height:40px;flex-shrink:0;
  border:1px solid var(--line);border-radius:12px;background:var(--surface-2);
  transition:border-color .2s ease,background-color .2s ease;
}
.burger:hover{border-color:rgba(23,224,192,.5)}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;width:16px;height:2px;background:var(--text);
  border-radius:2px;transform:translateX(-50%);transition:transform .22s ease,opacity .22s ease;
}
.burger span{top:50%;margin-top:-1px}
.burger span::before{content:"";left:0;top:-6px;transform:none}
.burger span::after{content:"";left:0;top:6px;transform:none}

@media (max-width:1023px){
  .nav-links,.nav-search{display:none}
  .burger{display:block}
  .nav-cta{padding:8px 16px;font-size:13px}
}
@media (max-width:520px){
  .nav-cta{display:none}
}

/* ============ 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;z-index:70;background:rgba(6,7,10,.68);
  opacity:0;pointer-events:none;transition:opacity .26s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;z-index:80;
  width:300px;max-width:86vw;height:100%;
  background:var(--surface);border-left:1px solid var(--line);
  padding:22px 20px 28px;overflow-y:auto;
  transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;gap:22px;
}
.drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:36px;height:36px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--surface-2);color:var(--muted);font-size:20px;line-height:1;
  transition:color .2s ease,border-color .2s ease;
}
.drawer-close:hover{color:var(--accent);border-color:rgba(23,224,192,.5)}
.drawer-links{display:flex;flex-direction:column;gap:4px}
.drawer-links a{
  display:block;padding:12px 14px;border-radius:var(--r-sm);
  font-size:15px;color:var(--muted);border:1px solid transparent;
  transition:color .2s ease,background-color .2s ease,border-color .2s ease;
}
.drawer-links a:hover{color:var(--text);background:var(--surface-2)}
.drawer-links a.is-active{color:#fff;background:rgba(122,59,255,.16);border-color:rgba(122,59,255,.45)}
.drawer-cta{width:100%}
body.nav-lock{overflow:hidden}

/* ============ 分类页窄 Hero ============ */
.cat-hero{
  position:relative;min-height:262px;display:flex;align-items:center;
  padding:52px 0 48px;
  background-image:
    linear-gradient(115deg,rgba(11,12,16,.94) 0%,rgba(75,23,201,.72) 52%,rgba(11,12,16,.9) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(122,59,255,.45),rgba(122,59,255,0) 68%);
  pointer-events:none;
}
.cat-hero .wrap{position:relative;z-index:2;width:100%}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px}
.crumb a{color:var(--muted);transition:color .2s ease}
.crumb a:hover{color:var(--accent)}
.crumb .sep{opacity:.5}
.crumb .now{color:var(--text)}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid rgba(23,224,192,.4);color:var(--accent);
  font-size:12px;font-weight:600;letter-spacing:.02em;margin-bottom:16px;
}
.cat-hero h1{
  font-size:clamp(26px,4vw,40px);font-weight:700;line-height:1.3;
  letter-spacing:.01em;max-width:22em;
}
.cat-hero h1 em{font-style:normal;color:var(--accent)}
.hero-lead{
  margin-top:16px;font-size:17px;line-height:1.8;color:rgba(244,245,248,.82);
  max-width:44em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ============ 速览导航 + 数据条 ============ */
.sec{padding:72px 0}
@media (max-width:767px){.sec{padding:52px 0}}
.sec-tight{padding:40px 0}
.chip-row{display:flex;gap:10px;overflow-x:auto;padding:4px 0 10px;scroll-snap-type:x proximity}
.chip-row::-webkit-scrollbar{height:6px}
.chip-row::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:6px}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;
  padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface);
  font-size:13px;color:var(--muted);scroll-snap-align:start;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease,transform .2s ease;
}
.chip:hover{color:var(--accent);border-color:rgba(23,224,192,.5);transform:translateY(-1px)}
.chip:active{transform:translateY(0)}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:8px}

.stat-row{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px;
}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--shadow);
  transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
}
.stat:hover{transform:translateY(-4px);border-color:rgba(122,59,255,.5);box-shadow:var(--shadow-hover)}
.stat-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:26px;font-weight:700;color:#fff;line-height:1.2}
.stat-num span{font-size:14px;color:var(--accent);margin-left:6px;font-weight:600}
.stat-label{margin-top:6px;font-size:13px;color:var(--muted)}
@media (max-width:767px){
  .stat-row{grid-template-columns:1fr;gap:12px}
}

/* ============ 板块标题 ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3}
.sec-head p{margin-top:10px;font-size:15px;color:var(--muted);max-width:46em;line-height:1.8}

/* ============ 图文长条 ============ */
.tl-list{
  margin-top:8px;
  background:var(--surface);border:1px solid var(--line);border-radius:20px;
  padding:8px 28px;box-shadow:var(--shadow);
}
.tl-row{
  display:grid;grid-template-columns:minmax(0,45fr) minmax(0,55fr);
  gap:40px;align-items:center;padding:40px 0;
  border-bottom:1px solid var(--line);
}
.tl-row:last-child{border-bottom:0}
.tl-row:nth-child(even){grid-template-columns:minmax(0,55fr) minmax(0,45fr)}
.tl-row:nth-child(even) .tl-media{order:2}
.tl-row:nth-child(even) .tl-body{order:1}
.tl-media{position:relative;border-radius:var(--r-card);overflow:hidden;aspect-ratio:4/3;background:var(--surface-2);border:1px solid var(--line)}
.tl-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease-out}
.tl-row:hover .tl-media img{transform:scale(1.04)}
.tl-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,12,16,.05),rgba(75,23,201,.35));
}
.tl-index{
  position:absolute;left:16px;top:16px;z-index:2;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:34px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.7);
}
.tl-dur{
  position:absolute;right:14px;bottom:14px;z-index:2;
  padding:4px 10px;border-radius:var(--r-pill);
  background:rgba(11,12,16,.72);border:1px solid rgba(255,255,255,.16);
  font-size:12px;font-family:var(--font-num);font-variant-numeric:tabular-nums;color:#fff;
}
.tl-body h3{font-size:19px;font-weight:600;line-height:1.45;margin-bottom:12px}
.tl-body .summary{font-size:15px;color:var(--muted);line-height:1.85}
.tl-points{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.tl-points li{position:relative;padding-left:20px;font-size:14px;color:rgba(244,245,248,.86);line-height:1.75}
.tl-points li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;
  background:var(--accent);border-radius:2px;
}
.tl-foot{margin-top:20px}
@media (max-width:900px){
  .tl-list{padding:4px 20px;border-radius:18px}
  .tl-row,.tl-row:nth-child(even){grid-template-columns:1fr;gap:22px;padding:30px 0}
  .tl-row:nth-child(even) .tl-media{order:0}
  .tl-row:nth-child(even) .tl-body{order:0}
  .tl-media{aspect-ratio:16/9}
}

/* ============ 兴趣方向错位面板 ============ */
.panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.panel-col{display:flex;flex-direction:column;gap:20px}
.panel-col.offset{margin-top:52px}
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow);
  transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
}
.panel:hover{transform:translateY(-4px);border-color:rgba(122,59,255,.55);box-shadow:var(--shadow-hover)}
.panel .tag{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:var(--r-pill);
  font-size:11px;font-weight:600;letter-spacing:.02em;
  background:rgba(23,224,192,.12);color:var(--accent);border:1px solid rgba(23,224,192,.3);
}
.panel h3{margin-top:14px;font-size:18px;font-weight:600;line-height:1.45}
.panel p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.8}
.panel-foot{
  margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.panel-count{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:13px;color:var(--muted)}
.panel-count b{color:#fff;font-size:16px;margin-right:4px}
@media (max-width:767px){
  .panel-grid{grid-template-columns:1fr}
  .panel-col.offset{margin-top:0}
}

/* ============ 一键跟买条 ============ */
.grab-bar{
  border-radius:18px;padding:22px 24px;
  background:linear-gradient(135deg,var(--hot-a),var(--hot-b));
  color:#fff;box-shadow:0 18px 42px rgba(255,77,109,.22);
  display:flex;align-items:center;gap:22px;flex-wrap:wrap;
}
.grab-text{font-size:17px;font-weight:600;line-height:1.6;max-width:22em}
.grab-tags{display:flex;flex-wrap:wrap;gap:10px;margin-left:auto}
.grab-tag{
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.35);
  font-size:13px;
}
.grab-bar .btn-white{
  background:#fff;color:#B71937;font-weight:700;box-shadow:0 8px 22px rgba(0,0,0,.18);
}
.grab-bar .btn-white:hover{filter:brightness(1.02);transform:translateY(-1px)}
.grab-bar .btn-white:active{transform:translateY(1px)}
@media (max-width:767px){
  .grab-tags{margin-left:0}
  .grab-text{font-size:16px}
}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:rgba(122,59,255,.42)}
.faq-item.is-open{border-color:rgba(122,59,255,.6);box-shadow:0 0 0 1px rgba(122,59,255,.28),0 14px 36px rgba(122,59,255,.14)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;text-align:left;
  color:var(--text);font-size:16px;font-weight:600;line-height:1.6;
}
.faq-icon{
  position:relative;flex:0 0 20px;width:20px;height:20px;color:var(--accent);
  transition:transform .26s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:13px;height:2px}
.faq-icon::after{width:2px;height:13px;transition:transform .26s ease,opacity .26s ease}
.faq-item.is-open .faq-icon{transform:rotate(90deg)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 22px 20px;font-size:15px;color:var(--muted);line-height:1.85}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:24px;
  background:#0F1117;border-top:1px solid rgba(122,59,255,.45);
  padding:56px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand .brand{align-items:flex-start}
.footer-kw{margin-top:16px;font-size:14px;color:var(--text);line-height:1.8}
.footer-slogan{margin-top:8px;font-size:13px;color:var(--muted);letter-spacing:.04em}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-link{
  display:inline-block;font-size:14px;color:var(--muted);
  transition:color .2s ease,transform .2s ease;
}
.footer-link:hover{color:var(--accent);transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid var(--line);padding:18px 0 22px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:var(--muted);
}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{font-size:12px}
}

/* roulang page: category3 */
:root{
  --brand:#7A3BFF;
  --brand-deep:#4B17C9;
  --accent:#17E0C0;
  --hot-a:#FF4D6D;
  --hot-b:#FF8A3D;
  --bg:#0B0C10;
  --surface:#14161D;
  --surface-2:#1C1F29;
  --line:rgba(255,255,255,.08);
  --text:#F4F5F8;
  --muted:#9AA1B2;
  --paper:#F7F8FA;
  --paper-text:#1A1C22;
  --r-card:16px;
  --r-sm:10px;
  --r-v:20px;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --shadow-hover:0 0 0 1px rgba(122,59,255,.55),0 16px 44px rgba(122,59,255,.22);
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:Inter,system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:64px;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
input{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 40px;
}
@media(max-width:1024px){.wrap{padding:0 24px;}}
@media(max-width:520px){.wrap{padding:0 16px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  background:rgba(20,22,29,.85);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-solid{background:#14161D;box-shadow:0 8px 26px rgba(0,0,0,.55);}
.nav-inner{display:flex;align-items:center;gap:32px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(122,59,255,.35);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.01em;color:var(--text);}
.brand-sub{font-size:11px;font-weight:600;letter-spacing:.06em;color:var(--muted);}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:14.5px;
  color:var(--muted);
  border-radius:8px;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;
  background:var(--accent);border-radius:2px;
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 14px;
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--muted);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search svg{width:16px;height:16px;flex:0 0 auto;}
.nav-search input{
  width:150px;background:transparent;border:0;outline:none;
  color:var(--text);font-size:14px;
}
.nav-search input::placeholder{color:var(--muted);}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px rgba(23,224,192,.22);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;
  font-size:15px;font-weight:600;
  padding:12px 24px;
  border-radius:999px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;
  box-shadow:0 8px 22px rgba(122,59,255,.32);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);filter:brightness(.94);}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border:1px solid rgba(255,255,255,.18);
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.burger{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--surface-2);
  position:relative;
  cursor:pointer;
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;width:16px;height:2px;background:var(--text);border-radius:2px;
  transform:translateX(-50%);
  transition:transform .22s ease,opacity .22s ease;
}
.burger span{top:19px;}
.burger span::before{content:"";top:-6px;left:0;transform:none;}
.burger span::after{content:"";top:6px;left:0;transform:none;}
.drawer-scrim{
  position:fixed;inset:0;background:rgba(6,7,10,.7);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:90;
}
.drawer-scrim.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:290px;max-width:86vw;
  background:var(--surface);
  border-left:1px solid var(--line);
  z-index:100;
  padding:24px 22px;
  display:flex;flex-direction:column;gap:8px;
  transform:translateX(102%);
  transition:transform .3s ease;
}
.drawer.open{transform:translateX(0);}
.drawer-title{font-size:12px;letter-spacing:.08em;color:var(--muted);font-weight:600;margin:8px 0 6px;}
.drawer-link{
  display:block;padding:12px 12px;border-radius:12px;font-size:15px;color:var(--text);
  border:1px solid transparent;transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.drawer-link:hover{background:var(--surface-2);border-color:var(--line);color:var(--accent);}
.drawer-link.is-active{border-color:rgba(23,224,192,.45);color:var(--accent);}
.drawer-cta{margin-top:auto;}

@media(max-width:1024px){
  .nav-links{display:none;}
  .nav-search{display:none;}
  .burger{display:block;}
  .nav-inner{gap:16px;height:56px;}
  body{padding-top:56px;}
}
@media(max-width:520px){
  .brand-sub{display:none;}
  .brand-name{font-size:15px;}
  .nav-cta{display:none;}
}

/* ---------- 页面首屏 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:64px 0 52px;
  border-bottom:1px solid var(--line);
}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  opacity:.6;
}
.page-hero .hero-bg::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(120% 110% at 10% 0%,rgba(75,23,201,.88) 0%,rgba(11,12,16,.93) 58%,#0B0C10 100%);
}
.page-hero .wrap{position:relative;z-index:2;}
.crumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.crumb a{color:var(--muted);transition:color .2s ease;}
.crumb a:hover{color:var(--accent);}
.crumb-cur{color:var(--text);}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:999px;
  border:1px solid rgba(23,224,192,.45);
  color:var(--accent);
  font-size:11.5px;font-weight:600;letter-spacing:.04em;
}
.page-hero h1{
  margin-top:18px;
  font-size:clamp(26px,4vw,40px);
  font-weight:700;
  letter-spacing:-.01em;
  max-width:22em;
}
.hero-lead{
  margin-top:16px;
  font-size:17px;line-height:1.85;color:var(--muted);
  max-width:640px;
}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:36px;
  margin-top:30px;
}
.stat{min-width:120px;}
.stat-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:26px;font-weight:700;color:var(--text);letter-spacing:.01em;
}
.stat-num em{font-style:normal;color:var(--accent);}
.stat-label{font-size:12px;color:var(--muted);letter-spacing:.04em;margin-top:2px;}

@media(max-width:520px){
  .page-hero{padding:44px 0 40px;}
  .hero-stats{gap:24px;}
  .stat-num{font-size:22px;}
}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;
}
.section h2{
  font-size:clamp(24px,3vw,30px);
  font-weight:700;
  letter-spacing:-.01em;
}
.section-sub{
  margin-top:12px;font-size:15px;color:var(--muted);max-width:620px;
}
.link-more{
  color:var(--accent);font-size:14.5px;font-weight:600;
  text-decoration:underline;text-underline-offset:4px;
  transition:text-decoration-thickness .2s ease,color .2s ease;
  white-space:nowrap;
}
.link-more:hover{text-decoration-thickness:2px;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 编号清单 ---------- */
.num-list{
  border-top:1px solid var(--line);
}
.num-row{
  display:flex;align-items:flex-start;gap:26px;
  padding:26px 10px;
  border-bottom:1px solid var(--line);
  transition:background .22s ease;
}
.num-row:hover{background:rgba(255,255,255,.032);}
.num{
  flex:0 0 auto;
  min-width:70px;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:clamp(30px,3.6vw,46px);
  font-weight:800;
  line-height:1;
  letter-spacing:.02em;
  color:transparent;
  -webkit-text-stroke:1px var(--brand);
  transition:-webkit-text-stroke-color .22s ease,color .22s ease;
}
.num-row:hover .num{-webkit-text-stroke-color:var(--accent);}
.num-body{flex:1 1 auto;min-width:0;}
.num-body h3{font-size:18px;font-weight:600;}
.num-body p{margin-top:8px;font-size:14.5px;color:var(--muted);line-height:1.8;}
.num-arrow{
  flex:0 0 auto;
  font-size:18px;color:var(--accent);
  align-self:center;
  transition:transform .22s ease;
}
.num-row:hover .num-arrow{transform:translateX(4px);}

@media(max-width:520px){
  .num-row{gap:14px;padding:20px 4px;}
  .num{min-width:44px;font-size:30px;}
  .num-body h3{font-size:16.5px;}
  .num-body p{font-size:14px;}
}

/* ---------- 节奏对照 ---------- */
.panel-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;
}
.panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.panel:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(122,59,255,.45);}
.panel-icon{
  width:40px;height:40px;border-radius:12px;
  background:rgba(122,59,255,.16);
  border:1px solid rgba(122,59,255,.4);
  display:flex;align-items:center;justify-content:center;
  color:var(--accent);font-family:var(--font-num);font-size:14px;font-weight:700;
  margin-bottom:16px;
}
.panel h3{font-size:18px;font-weight:600;}
.panel p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.8;}
.panel .panel-val{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:28px;font-weight:700;color:var(--text);margin-top:16px;
}
@media(max-width:900px){.panel-grid{grid-template-columns:1fr;}}

/* ---------- FAQ ---------- */
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item+.faq-item{margin-top:14px;}
.faq-item.open{border-color:rgba(23,224,192,.42);box-shadow:0 12px 34px rgba(0,0,0,.4);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;
  background:none;border:0;cursor:pointer;
  color:var(--text);font-size:16px;font-weight:600;text-align:left;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--accent);}
.faq-ico{
  position:relative;flex:0 0 auto;width:20px;height:20px;
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--accent);border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform .24s ease,opacity .24s ease;
}
.faq-ico::before{width:14px;height:2px;}
.faq-ico::after{width:2px;height:14px;}
.faq-item.open .faq-ico::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .28s ease;
}
.faq-item.open .faq-a{max-height:340px;}
.faq-a p{
  padding:0 22px 20px;
  font-size:15px;line-height:1.85;color:var(--muted);
}

/* ---------- 相关入口 ---------- */
.entry-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;
}
.entry-card{
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(122,59,255,.5);}
.entry-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.entry-card:hover .entry-thumb img{transform:scale(1.04);}
.entry-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,12,16,.1) 0%,rgba(11,12,16,.78) 100%);
}
.entry-badge{
  position:absolute;left:14px;top:14px;z-index:2;
  padding:5px 11px;border-radius:999px;
  background:rgba(11,12,16,.7);
  border:1px solid rgba(23,224,192,.5);
  color:var(--accent);font-size:11.5px;font-weight:600;
}
.entry-body{padding:22px 22px 24px;}
.entry-body h3{font-size:18px;font-weight:600;}
.entry-links{margin-top:14px;display:flex;flex-direction:column;gap:10px;}
.entry-links a{
  font-size:14.5px;color:var(--muted);
  display:inline-flex;align-items:center;gap:8px;
  transition:color .2s ease,transform .2s ease;
}
.entry-links a::before{content:"›";color:var(--accent);font-size:16px;line-height:1;}
.entry-links a:hover{color:var(--accent);transform:translateX(2px);}
@media(max-width:820px){.entry-grid{grid-template-columns:1fr;}}

/* ---------- CTA 条 ---------- */
.cta-section{padding:0 0 88px;}
.cta-bar{
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 45%,var(--hot-a) 100%);
  border-radius:18px;
  padding:24px 28px;
  display:flex;align-items:center;gap:24px;
  box-shadow:0 18px 46px rgba(122,59,255,.28);
}
.cta-text{font-size:17px;font-weight:600;color:#fff;flex:1 1 auto;min-width:0;}
.cta-tags{display:flex;flex-wrap:wrap;gap:8px;}
.cta-tags span{
  padding:6px 13px;border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:12.5px;font-weight:600;
  white-space:nowrap;
}
.cta-btn{
  background:#fff;color:var(--brand-deep);
  flex:0 0 auto;
}
.cta-btn:hover{filter:brightness(1.06);transform:translateY(-1px);}
.cta-btn:active{transform:translateY(1px);filter:brightness(.95);}
@media(max-width:900px){
  .cta-bar{flex-direction:column;align-items:flex-start;gap:16px;padding:24px 20px;}
  .cta-btn{width:100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#0E1015;
  border-top:1px solid rgba(122,59,255,.35);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;
}
.footer-brand .brand-name{font-size:16px;}
.footer-kw{margin-top:16px;font-size:13.5px;color:var(--muted);}
.footer-slogan{margin-top:6px;font-size:13.5px;color:var(--accent);font-weight:600;}
.footer-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-link{
  font-size:14px;color:var(--muted);
  display:inline-block;
  transition:color .2s ease,transform .2s ease;
}
.footer-link:hover{color:var(--accent);transform:translateX(2px);}
.footer-bottom{
  margin-top:44px;padding-top:18px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:var(--muted);
}
@media(max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media(max-width:520px){
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:48px 0 24px;}
}

section[id]{scroll-margin-top:88px;}