/* roulang page: index */
:root{
  --bg-base:#0B1524;
  --bg-sub:#0F1D31;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --brand:#C9F24A;
  --brand-soft:rgba(201,242,74,.30);
  --accent:#FF6B2C;
  --t1:#F2F6FF;
  --t2:#A9B7CC;
  --t3:#6E7E96;
  --r-chip:999px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-btn:10px;
  --shadow:0 12px 32px rgba(4,10,20,.45);
  --shadow-deep:0 20px 48px rgba(4,10,20,.60);
  --glow:0 8px 24px rgba(201,242,74,.22);
  --container:1240px;
  --bs-body-bg:transparent;
  --bs-body-color:var(--t2);
  --bs-link-color:var(--brand);
  --bs-link-hover-color:var(--brand);
  --bs-border-color:var(--line);
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--t2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--t1);margin:0;font-weight:700;letter-spacing:0;}
h1{font-size:44px;line-height:1.22;font-weight:800;}
h2{font-size:30px;line-height:1.32;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num,.stat-value,.badge-time,.time{font-variant-numeric:tabular-nums;}
::selection{background:var(--brand);color:var(--bg-base);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:var(--brand);
  background:var(--glass);border:1px solid var(--line);
  padding:5px 14px;border-radius:var(--r-chip);margin-bottom:14px;
}
.section-sub{color:var(--t3);font-size:14px;margin-top:10px;max-width:640px;}

/* ---------- 顶部提示条 ---------- */
.topbar{background:var(--bg-sub);border-bottom:1px solid var(--line);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;font-size:13px;color:var(--t3);}
.topbar-text{display:inline-flex;align-items:center;gap:8px;}
.topbar-text i{color:var(--brand);}
.topbar-close{background:none;border:0;color:var(--t3);cursor:pointer;padding:6px 8px;line-height:1;border-radius:8px;}
.topbar-close:hover{color:var(--brand);background:var(--glass);}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(11,21,36,.86);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.header-main{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px;}
.logo{display:inline-flex;align-items:center;gap:12px;min-height:44px;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--brand);color:var(--bg-base);
  display:grid;place-items:center;font-weight:800;font-size:15px;letter-spacing:.02em;
  box-shadow:var(--glow);
}
.logo-text{color:var(--t1);font-size:19px;font-weight:800;letter-spacing:.01em;}
.logo-text small{display:block;font-size:11px;font-weight:400;color:var(--t3);letter-spacing:.14em;}
.nav-wrap{border-top:1px solid var(--line);}
.chip-nav{display:flex;align-items:center;gap:10px;padding:12px 0;overflow-x:auto;scrollbar-width:none;}
.chip-nav::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;
  min-height:44px;padding:10px 18px;border-radius:var(--r-chip);
  background:var(--glass);border:1px solid var(--line);
  color:var(--t2);font-size:14px;white-space:nowrap;
  transition:transform .16s ease,color .16s ease,border-color .16s ease,background-color .16s ease;
}
.chip:hover{color:var(--t1);border-color:var(--brand-soft);transform:translateY(-1px);}
.chip.active{background:var(--brand);border-color:var(--brand);color:var(--bg-base);font-weight:600;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:11px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;}
.btn-primary{background:var(--brand);color:var(--bg-base);border-color:var(--brand);box-shadow:var(--glow);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(201,242,74,.30);color:var(--bg-base);}
.btn-ghost{background:var(--glass);color:var(--t1);border-color:var(--line-strong);}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--brand);color:var(--brand);}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-size:14px;font-weight:600;}
.link-arrow i{transition:transform .18s ease;}
.link-arrow:hover i{transform:translateX(3px);}

/* ---------- Hero ---------- */
.hero{position:relative;padding:72px 0 88px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,21,36,.72) 0%,rgba(11,21,36,.94) 62%,var(--bg-base) 100%),
             url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.9;z-index:0;
}
.hero .container{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;}
.hero-media{display:flex;justify-content:center;}
.phone-frame{
  position:relative;width:100%;max-width:300px;aspect-ratio:9/16;
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line-strong);background:var(--bg-sub);
  box-shadow:var(--shadow-deep);
}
.phone-frame img{width:100%;height:100%;}
.phone-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,21,36,.10) 0%,rgba(11,21,36,.72) 100%);}
.play-btn{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:50%;border:1px solid rgba(255,255,255,.35);
  background:rgba(11,21,36,.55);color:var(--brand);font-size:20px;
  display:grid;place-items:center;cursor:pointer;
  box-shadow:0 0 0 10px rgba(201,242,74,.08);
  transition:transform .2s ease,background-color .2s ease;
}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.06);background:rgba(11,21,36,.75);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand);
  background:var(--glass);border:1px solid var(--line);padding:6px 14px;border-radius:var(--r-chip);margin-bottom:20px;
}
.hero h1{margin-bottom:18px;max-width:16em;}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{font-size:17px;color:var(--t2);max-width:32em;margin-bottom:28px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px;}
.hero-points{display:flex;gap:26px;flex-wrap:wrap;}
.hero-points li{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--t3);}
.hero-points i{color:var(--brand);font-size:13px;}

/* ---------- 数据条 ---------- */
.stats{background:var(--bg-sub);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.stats-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:38px 0;}
.stat-item{border-left:2px solid var(--brand);padding-left:18px;}
.stat-value{font-size:32px;font-weight:800;color:var(--t1);line-height:1.1;letter-spacing:0;}
.stat-value span{font-size:15px;color:var(--brand);margin-left:4px;font-weight:600;}
.stat-label{font-size:13px;color:var(--t3);margin-top:8px;}
.stats-note{padding-bottom:30px;margin-top:-6px;color:var(--t3);font-size:13px;}

/* ---------- 卡片基础 ---------- */
.card-glass{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.card-glass:hover{transform:translateY(-4px);border-color:var(--brand-soft);box-shadow:var(--shadow-deep);background:var(--glass-strong);}

/* ---------- 片段轨道 ---------- */
.rail-wrap{position:relative;}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 2px 22px;scrollbar-width:none;}
.rail::-webkit-scrollbar{display:none;}
.clip-card{
  flex:0 0 260px;scroll-snap-align:start;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.clip-card:hover{transform:translateY(-4px);border-color:var(--brand-soft);box-shadow:var(--shadow-deep);}
.clip-cover{position:relative;aspect-ratio:9/16;overflow:hidden;background:linear-gradient(160deg,#12253F,#0B1524);}
.clip-cover img{width:100%;height:100%;transition:transform .4s ease;}
.clip-card:hover .clip-cover img{transform:scale(1.05);}
.clip-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,21,36,.05) 40%,rgba(11,21,36,.82) 100%);}
.badge-time{position:absolute;right:10px;bottom:10px;z-index:2;background:rgba(11,21,36,.72);color:#fff;font-size:12px;padding:3px 8px;border-radius:6px;}
.badge-hot{position:absolute;left:10px;top:10px;z-index:2;background:var(--accent);color:#fff;font-size:12px;font-weight:600;padding:3px 9px;border-radius:var(--r-chip);}
.clip-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:rgba(11,21,36,.5);border:1px solid rgba(255,255,255,.3);color:var(--brand);font-size:15px;}
.clip-body{padding:14px 16px 18px;}
.clip-body h3{font-size:16px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px;}
.clip-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;color:var(--t3);}
.rail-btn{
  position:absolute;top:38%;z-index:3;width:44px;height:44px;border-radius:50%;
  background:rgba(11,21,36,.82);border:1px solid var(--line-strong);color:var(--t1);
  display:grid;place-items:center;cursor:pointer;transition:border-color .2s ease,color .2s ease;
}
.rail-btn:hover{border-color:var(--brand);color:var(--brand);}
.rail-prev{left:-8px;}
.rail-next{right:-8px;}

/* ---------- 最新信息 ---------- */
.latest-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start;}
.latest-main{overflow:hidden;}
.latest-main-link{display:block;}
.latest-main-cover{position:relative;aspect-ratio:16/9;overflow:hidden;}
.latest-main-cover img{width:100%;height:100%;transition:transform .4s ease;}
.latest-main:hover .latest-main-cover img{transform:scale(1.03);}
.latest-main-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,21,36,0) 45%,rgba(11,21,36,.72) 100%);}
.badge-cat{
  display:inline-flex;align-items:center;background:var(--glass-strong);border:1px solid var(--line);
  color:var(--brand);font-size:12px;padding:4px 12px;border-radius:var(--r-chip);backdrop-filter:blur(10px);
}
.latest-main-cover .badge-cat{position:absolute;left:16px;top:16px;z-index:2;}
.latest-body{padding:22px 24px 26px;}
.latest-body h3{font-size:22px;margin-bottom:12px;}
.latest-body p{color:var(--t2);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.latest-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--t3);}
.latest-side{display:flex;flex-direction:column;gap:16px;}
.latest-item{padding:18px 20px;}
.latest-item-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;font-size:12px;color:var(--t3);}
.latest-item h3{font-size:17px;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.latest-item p{font-size:13.5px;color:var(--t3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
  padding:64px 24px;border:1px dashed var(--line-strong);border-radius:var(--r-md);background:var(--glass);
}
.empty-state i{font-size:34px;color:var(--t3);}
.empty-state p{color:var(--t2);font-size:15px;}
.empty-state span{color:var(--t3);font-size:13px;}

/* ---------- 种草清单 ---------- */
.pick-list{border-top:1px solid var(--line);}
.pick-item{
  position:relative;display:grid;grid-template-columns:56px 1fr auto;gap:22px;align-items:center;
  padding:24px 18px 24px 6px;border-bottom:1px solid var(--line);
  transition:transform .2s ease,background-color .2s ease;
}
.pick-item::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:0;background:var(--brand);border-radius:3px;transition:height .25s ease;box-shadow:0 0 14px rgba(201,242,74,.55);}
.pick-item:hover{transform:translateX(4px);background:var(--glass);}
.pick-item:hover::before{height:64%;}
.pick-num{font-size:26px;font-weight:800;color:var(--brand);line-height:1;font-variant-numeric:tabular-nums;text-align:left;}
.pick-text h3{font-size:18px;margin-bottom:6px;}
.pick-text p{font-size:14px;color:var(--t3);}
.pick-item > i{color:var(--t3);font-size:15px;transition:transform .2s ease,color .2s ease;}
.pick-item:hover > i{color:var(--brand);transform:translateX(3px);}

/* ---------- 口碑条 ---------- */
.voice-section{background:var(--bg-sub);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.voice-rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 2px 16px;scrollbar-width:none;}
.voice-rail::-webkit-scrollbar{display:none;}
.voice-card{
  flex:0 0 350px;scroll-snap-align:start;padding:22px 24px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
}
.voice-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.voice-avatar{width:42px;height:42px;border-radius:50%;flex:0 0 auto;background:linear-gradient(150deg,#1B3556,#0F1D31);display:grid;place-items:center;color:var(--brand);font-size:15px;font-weight:700;border:1px solid var(--line);}
.voice-name{color:var(--t1);font-size:15px;font-weight:600;}
.voice-role{font-size:12px;color:var(--t3);}
.voice-text{font-size:14px;color:var(--t2);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md)!important;margin-bottom:14px;overflow:hidden;backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);}
.accordion-button{
  background:transparent;color:var(--t1);font-size:16.5px;font-weight:600;
  padding:20px 24px;box-shadow:none!important;gap:16px;
}
.accordion-button:not(.collapsed){background:transparent;color:var(--brand);}
.accordion-button::after{
  background-image:none;content:"\f107";font-family:"Font Awesome 6 Free";font-weight:900;
  width:auto;height:auto;transition:transform .25s ease;color:var(--brand);font-size:14px;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.accordion-body{padding:0 24px 22px;color:var(--t2);font-size:14.5px;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(15,29,49,.96),rgba(11,21,36,.96)),
             url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:56px 48px;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;position:relative;z-index:1;}
.cta-inner h2{margin-bottom:12px;font-size:28px;}
.cta-inner p{color:var(--t2);font-size:15px;max-width:44em;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-base);border-top:1px solid var(--line);padding:64px 0 0;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand p{font-size:14px;color:var(--t3);max-width:26em;}
.footer-title{color:var(--t1);font-size:15px;font-weight:600;margin-bottom:18px;}
.footer-links li{margin-bottom:12px;}
.footer-links a{font-size:14px;color:var(--t3);}
.footer-links a:hover{color:var(--brand);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--t3);margin-bottom:12px;}
.footer-contact i{color:var(--brand);margin-top:5px;font-size:13px;}
.footer-bottom{border-top:1px solid var(--line);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--t3);}

/* ---------- 移动吸底条 ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;display:none;
  align-items:center;justify-content:space-between;gap:14px;
  padding:10px 18px calc(10px + env(safe-area-inset-bottom));
  background:rgba(11,21,36,.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
}
.sticky-bar p{font-size:13px;color:var(--t2);margin:0;}
.sticky-bar .btn{padding:9px 16px;font-size:14px;min-height:44px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  h1{font-size:38px;}
  .hero-grid{gap:40px;}
  .clip-card{flex:0 0 240px;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .hero{padding:52px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-media{order:-1;}
  .phone-frame{max-width:62vw;}
  .hero h1{max-width:none;}
  .latest-grid{grid-template-columns:1fr;}
  .stats-inner{grid-template-columns:repeat(2,1fr);gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .rail-btn{display:none;}
  h2{font-size:26px;}
}
@media (max-width:575px){
  .container{padding:0 20px;}
  body{font-size:15px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:18px;}
  .section{padding:56px 0;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .phone-frame{max-width:62vw;}
  .clip-card{flex:0 0 74vw;}
  .voice-card{flex:0 0 84vw;}
  .stats-inner{grid-template-columns:1fr;gap:22px;}
  .pick-item{grid-template-columns:44px 1fr auto;gap:14px;padding:20px 10px 20px 4px;}
  .pick-num{font-size:22px;}
  .cta-band{padding:36px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .sticky-bar{display:flex;}
  .site-footer{padding-bottom:64px;}
  .header-cta{display:none;}
}

/* roulang page: article */
:root{
  --bg-base:#0B1524;
  --bg-sub:#0F1D31;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --brand:#C9F24A;
  --brand-soft:rgba(201,242,74,.14);
  --brand-ink:#0B1524;
  --accent:#FF6B2C;
  --t1:#F2F6FF;
  --t2:#A9B7CC;
  --t3:#6E7E96;
  --r-chip:999px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-btn:10px;
  --shadow:0 12px 32px rgba(4,10,20,.45);
  --shadow-soft:0 8px 20px rgba(4,10,20,.32);
  --glow:0 8px 24px rgba(201,242,74,.22);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--t2);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,border-color .18s ease,background .18s ease,transform .18s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{color:var(--t1);margin:0;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 24px;}}
@media (min-width:1200px){.container{padding:0 32px;}}
.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部提示条 ============ */
.topbar{background:linear-gradient(90deg,rgba(201,242,74,.16),rgba(255,107,44,.10));border-bottom:1px solid var(--line);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:38px;font-size:13px;color:var(--t2);}
.topbar-text{display:inline-flex;align-items:center;gap:8px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;}
.topbar-text i{color:var(--brand);}
.topbar-close{background:transparent;border:0;color:var(--t3);font-size:14px;line-height:1;padding:8px;cursor:pointer;min-width:32px;}
.topbar-close:hover{color:var(--t1);}

/* ============ 头部与导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(11,21,36,.9);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid var(--line);}
.header-main{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:16px;padding-bottom:14px;flex-wrap:wrap;}
.logo{display:inline-flex;align-items:center;gap:12px;color:var(--t1);}
.logo:hover{color:var(--t1);}
.logo-mark{width:42px;height:42px;border-radius:12px;background:var(--brand);color:var(--brand-ink);display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;letter-spacing:.02em;box-shadow:var(--glow);flex:0 0 auto;}
.logo-text{display:flex;flex-direction:column;font-size:19px;font-weight:800;color:var(--t1);line-height:1.2;}
.logo-text small{font-size:12px;font-weight:400;color:var(--t3);letter-spacing:.02em;margin-top:3px;}
.header-cta{white-space:nowrap;}
.nav-wrap{border-top:1px solid var(--line);}
.chip-nav{display:flex;align-items:center;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:none;-ms-overflow-style:none;}
.chip-nav::-webkit-scrollbar{display:none;}
.chip{flex:0 0 auto;display:inline-flex;align-items:center;min-height:44px;padding:10px 18px;border-radius:var(--r-chip);background:var(--glass);border:1px solid var(--line);color:var(--t2);font-size:14px;transition:transform .16s ease,border-color .16s ease,background .16s ease,color .16s ease;}
.chip:hover{color:var(--t1);border-color:rgba(201,242,74,.3);transform:translateY(-1px);}
.chip.active,.chip[aria-current="page"]{background:var(--brand);border-color:var(--brand);color:var(--brand-ink);font-weight:600;}

/* ============ 按钮 ============ */
.btn{--bs-btn-border-radius:var(--r-btn);border-radius:var(--r-btn);font-size:15px;font-weight:600;min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 22px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,background .18s ease,color .18s ease;}
.btn-primary{--bs-btn-bg:var(--brand);--bs-btn-border-color:var(--brand);--bs-btn-color:var(--brand-ink);--bs-btn-hover-bg:#d8fa6b;--bs-btn-hover-border-color:#d8fa6b;--bs-btn-hover-color:var(--brand-ink);--bs-btn-active-bg:#b6df3a;--bs-btn-active-border-color:#b6df3a;--bs-btn-active-color:var(--brand-ink);--bs-btn-disabled-bg:var(--brand);--bs-btn-disabled-border-color:var(--brand);--bs-btn-disabled-color:var(--brand-ink);box-shadow:var(--glow);}
.btn-primary:hover,.btn-primary:focus{transform:translateY(-2px);box-shadow:0 12px 28px rgba(201,242,74,.28);}
.btn-ghost{background:var(--glass);border:1px solid var(--line);color:var(--t1);}
.btn-ghost:hover{background:var(--glass-strong);border-color:rgba(201,242,74,.4);color:var(--t1);transform:translateY(-2px);}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--brand);}
.text-link i{transition:transform .18s ease;}
.text-link:hover i{transform:translateX(3px);}

/* ============ 文章头部 ============ */
.article-hero{position:relative;overflow:hidden;padding:44px 0 8px;}
.hero-bg{position:absolute;inset:0;background-image:linear-gradient(180deg,rgba(11,21,36,.72),rgba(11,21,36,.96)),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.5;z-index:0;}
.article-hero .container{position:relative;z-index:1;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:22px;}
.crumbs a{color:var(--t3);}
.crumbs a:hover{color:var(--brand);}
.crumbs .current{color:var(--t2);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom;}
.crumbs .sep{color:var(--t3);opacity:.6;}
.badge-cat{display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:var(--r-chip);background:var(--glass);border:1px solid var(--line);color:var(--brand);font-size:12px;letter-spacing:.02em;}
.badge-cat i{font-size:11px;}
.article-head h1{font-size:44px;line-height:1.32;font-weight:800;margin:18px 0 0;max-width:22ch;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px;font-size:13px;color:var(--t3);}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand);opacity:.85;}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong);padding:0;display:inline-block;}
.article-cover{margin:32px 0 0;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(11,21,36,.9));position:relative;}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover;}
.article-cover figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 20px;font-size:13px;color:var(--t2);background:linear-gradient(180deg,rgba(11,21,36,0),rgba(11,21,36,.86));}

/* ============ 正文区 ============ */
.article-main{padding:56px 0 8px;}
.article-wrap{max-width:820px;margin:0 auto;}
.article-content{font-size:16px;line-height:1.9;color:var(--t2);overflow-wrap:break-word;overflow-x:auto;}
.article-content p{margin:0 0 1.2em;}
.article-content h2{font-size:30px;line-height:1.45;font-weight:700;margin:1.9em 0 .8em;padding-left:14px;border-left:3px solid var(--brand);}
.article-content h3{font-size:20px;line-height:1.5;font-weight:600;margin:1.6em 0 .6em;color:var(--t1);}
.article-content h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em;color:var(--t1);}
.article-content ul,.article-content ol{margin:0 0 1.3em;padding-left:0;}
.article-content ul li,.article-content ol li{position:relative;padding-left:20px;margin-bottom:.55em;}
.article-content ul li::before{content:"";position:absolute;left:2px;top:.78em;width:7px;height:7px;border-radius:2px;background:var(--brand);}
.article-content ol{counter-reset:ac;}
.article-content ol li{counter-increment:ac;padding-left:30px;}
.article-content ol li::before{content:counter(ac,decimal-leading-zero);position:absolute;left:0;top:0;color:var(--brand);font-size:13px;font-weight:700;letter-spacing:.02em;line-height:1.9;}
.article-content blockquote{margin:1.5em 0;padding:18px 22px;border-left:3px solid var(--brand);border-radius:var(--r-sm);background:var(--glass);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);color:var(--t1);font-size:16px;}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:var(--r-md);margin:1.5em 0;width:100%;object-fit:cover;}
.article-content figure{margin:1.5em 0;}
.article-content figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:10px;}
.article-content a{color:var(--brand);border-bottom:1px solid rgba(201,242,74,.35);}
.article-content a:hover{border-bottom-color:var(--brand);}
.article-content strong{color:var(--t1);font-weight:600;}
.article-content hr{border:0;height:1px;background:var(--line);margin:2.2em 0;}
.article-content table{width:100%;min-width:520px;border-collapse:collapse;margin:1.5em 0;font-size:15px;}
.article-content th,.article-content td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top;}
.article-content th{background:var(--glass);color:var(--t1);font-weight:600;}
.article-content code{background:rgba(255,255,255,.07);border-radius:6px;padding:2px 7px;font-size:14px;color:var(--brand);}
.article-content pre{background:var(--bg-sub);border:1px solid var(--line);border-radius:var(--r-sm);padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.7;}
.article-content pre code{background:none;padding:0;color:var(--t2);}

/* 空态 */
.empty-state{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);padding:48px 28px;text-align:center;backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);}
.empty-icon{width:62px;height:62px;margin:0 auto 18px;border-radius:18px;display:flex;align-items:center;justify-content:center;background:var(--brand-soft);color:var(--brand);font-size:24px;}
.empty-state h2{font-size:24px;margin-bottom:10px;}
.empty-state p{color:var(--t2);max-width:46ch;margin:0 auto 22px;}

/* ============ 文末标签与翻页 ============ */
.article-foot{padding:48px 0 8px;}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;padding-bottom:28px;border-bottom:1px solid var(--line);}
.tag{padding:8px 16px;border-radius:var(--r-chip);background:var(--glass);border:1px solid var(--line);color:var(--t2);font-size:13px;}
.tag:hover{color:var(--t1);border-color:rgba(201,242,74,.35);transform:translateY(-1px);}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px;}
.post-nav-item{display:block;padding:20px 22px;border-radius:var(--r-md);background:var(--glass);border:1px solid var(--line);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;}
.post-nav-item:hover{transform:translateY(-4px);border-color:rgba(201,242,74,.35);box-shadow:var(--shadow);}
.post-nav-label{display:block;font-size:12px;color:var(--t3);margin-bottom:8px;letter-spacing:.02em;}
.post-nav-title{display:block;color:var(--t1);font-size:16px;font-weight:600;line-height:1.6;}
.post-nav-item.next{text-align:right;}

/* ============ 相关推荐 ============ */
.related{padding:64px 0 8px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px;}
.section-head h2{font-size:30px;line-height:1.4;}
.section-head p{font-size:14px;color:var(--t3);margin-top:8px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rc-card{display:flex;flex-direction:column;border-radius:var(--r-md);overflow:hidden;background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;}
.rc-card:hover{transform:translateY(-4px);border-color:rgba(201,242,74,.35);box-shadow:var(--shadow);}
.rc-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(11,21,36,.95));}
.rc-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.rc-card:hover .rc-cover img{transform:scale(1.05);}
.rc-tag{position:absolute;left:12px;top:12px;padding:4px 10px;border-radius:var(--r-chip);background:rgba(11,21,36,.72);border:1px solid var(--line);color:var(--brand);font-size:12px;backdrop-filter:blur(8px);}
.rc-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rc-body h3{font-size:18px;font-weight:600;line-height:1.55;}
.rc-body p{font-size:14px;color:var(--t2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rc-meta{margin-top:auto;font-size:12px;color:var(--t3);display:flex;align-items:center;gap:10px;}

/* ============ 转化条 ============ */
.cta-band{padding:72px 0 88px;}
.cta-inner{position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);background-image:linear-gradient(120deg,rgba(11,21,36,.94),rgba(11,21,36,.72)),url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;padding:40px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;box-shadow:var(--shadow);}
.cta-inner h2{font-size:30px;line-height:1.4;max-width:20ch;}
.cta-inner p{color:var(--t2);font-size:15px;margin-top:12px;max-width:48ch;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-base);border-top:1px solid var(--line);padding:56px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand p{font-size:14px;color:var(--t3);line-height:1.85;margin-top:16px;max-width:34ch;}
.footer-title{font-size:14px;color:var(--t1);font-weight:600;margin-bottom:16px;letter-spacing:.02em;}
.footer-links li{margin-bottom:12px;}
.footer-links a{font-size:14px;color:var(--t2);}
.footer-links a:hover{color:var(--brand);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--t2);margin-bottom:14px;line-height:1.7;}
.footer-contact i{color:var(--brand);margin-top:6px;font-size:13px;flex:0 0 auto;}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--t3);}

/* ============ 移动吸底条 ============ */
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:1040;align-items:center;justify-content:space-between;gap:14px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(11,21,36,.92);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border-top:1px solid var(--line);}
.mobile-bar-text{font-size:13px;color:var(--t2);}
.mobile-bar .btn{min-height:44px;padding:8px 18px;font-size:14px;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .related-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .footer-grid > div:last-child{grid-column:1 / -1;}
}
@media (max-width:991px){
  .article-head h1{font-size:34px;max-width:100%;}
  .article-content h2{font-size:26px;}
  .article-cover img{aspect-ratio:16/9;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{padding:32px 26px;}
  .cta-inner h2{font-size:26px;}
  .section-head h2{font-size:26px;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .header-main{padding-top:14px;padding-bottom:12px;}
  .logo-mark{width:38px;height:38px;border-radius:10px;font-size:14px;}
  .logo-text{font-size:17px;}
  .logo-text small{font-size:11px;}
  .header-cta{padding:9px 18px;font-size:14px;}
  .article-hero{padding:30px 0 4px;}
  .article-head h1{font-size:30px;line-height:1.36;}
  .article-meta{gap:10px;}
  .crumbs .current{max-width:100%;white-space:normal;}
  .article-main{padding:36px 0 4px;}
  .article-content h2{font-size:24px;margin:1.6em 0 .7em;}
  .article-content h3{font-size:19px;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav-item.next{text-align:left;}
  .related-grid{grid-template-columns:1fr;}
  .related{padding:48px 0 4px;}
  .cta-band{padding:56px 0 96px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:28px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .mobile-bar{display:flex;}
}
@media (max-width:575px){
  .topbar-inner{font-size:12px;}
  .article-head h1{font-size:26px;}
  .article-content table{font-size:14px;min-width:440px;}
  .empty-state{padding:36px 20px;}
  .section-head{align-items:flex-start;}
  .section-head h2{font-size:23px;}
}

/* roulang page: category1 */
:root{
  --bg-base:#0B1524;
  --bg-sub:#0F1D31;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.085);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --brand:#C9F24A;
  --brand-ink:#0B1524;
  --accent:#FF6B2C;
  --t1:#F2F6FF;
  --t2:#A9B7CC;
  --t3:#6E7E96;
  --r-chip:999px;
  --r-sm:12px;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:10px;
  --shadow:0 12px 32px rgba(4,10,20,.45);
  --shadow-soft:0 8px 20px rgba(4,10,20,.35);
  --glow:0 8px 24px rgba(201,242,74,.22);
  --container:1240px;
  --sect:112px;
  --bs-body-bg:var(--bg-base);
  --bs-body-color:var(--t2);
  --bs-link-color:var(--brand);
  --bs-link-hover-color:var(--brand);
  --bs-border-color:var(--line);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--t2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{color:var(--t1);margin:0;letter-spacing:.01em;font-weight:700}
h1{font-size:44px;font-weight:800;line-height:1.25}
h2{font-size:30px;line-height:1.35}
h3{font-size:20px;font-weight:600;line-height:1.5}
p{margin:0 0 1em}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand)}
img{max-width:100%;display:block}
ul{list-style:none;margin:0;padding:0}
button{font-family:inherit}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,background .18s ease,color .18s ease;
  line-height:1.2;
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-primary,.btn.btn-primary{
  background:var(--brand);color:var(--brand-ink);border-color:var(--brand);
}
.btn-primary:hover,.btn.btn-primary:hover{
  background:#D6F76B;color:var(--brand-ink);
  transform:translateY(-2px);box-shadow:var(--glow);
}
.btn-ghost{
  background:var(--glass);color:var(--t1);border-color:var(--line);
  backdrop-filter:blur(14px) saturate(140%);
}
.btn-ghost:hover{color:var(--t1);border-color:rgba(201,242,74,.55);transform:translateY(-2px)}
.btn-link-arrow{
  display:inline-flex;align-items:center;gap:6px;min-height:44px;
  color:var(--brand);font-weight:600;font-size:15px;
}
.btn-link-arrow i{transition:transform .18s ease}
.btn-link-arrow:hover i{transform:translateX(3px)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,21,36,.88);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.topbar{background:var(--bg-sub);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px}
.topbar-text{font-size:13px;color:var(--t2);display:flex;align-items:center;gap:8px}
.topbar-text i{color:var(--brand)}
.topbar-close{
  background:transparent;border:0;color:var(--t3);width:32px;height:32px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:color .18s,background .18s;
}
.topbar-close:hover{color:var(--t1);background:var(--glass)}
.header-main{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding-top:16px;padding-bottom:16px;
}
.logo{display:flex;align-items:center;gap:12px;color:var(--t1)}
.logo:hover{color:var(--t1)}
.logo-mark{
  width:44px;height:44px;border-radius:12px;flex:0 0 44px;
  background:var(--brand);color:var(--brand-ink);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:17px;letter-spacing:.02em;
  box-shadow:var(--glow);
}
.logo-text{display:flex;flex-direction:column;font-size:19px;font-weight:800;line-height:1.2}
.logo-text small{font-size:12px;font-weight:400;color:var(--t3);letter-spacing:.04em}
.header-cta{flex:0 0 auto}
.nav-wrap{border-top:1px solid var(--line);background:rgba(15,29,49,.55)}
.chip-nav{
  display:flex;gap:10px;align-items:center;
  padding:12px 0;overflow-x:auto;flex-wrap:nowrap;
  scrollbar-width:none;-ms-overflow-style:none;
}
.chip-nav::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;
  min-height:44px;padding:10px 18px;border-radius:var(--r-chip);
  background:var(--glass);border:1px solid var(--line);
  color:var(--t2);font-size:14px;font-weight:600;white-space:nowrap;
  transition:transform .16s ease,border-color .16s ease,background .16s ease,color .16s ease;
}
.chip:hover{color:var(--t1);transform:translateY(-1px);border-color:rgba(201,242,74,.4)}
.chip.active{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}
.chip.active:hover{color:var(--brand-ink)}

/* ---------- hero ---------- */
.hero{position:relative;padding:56px 0 72px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;opacity:.22;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,21,36,.55) 0%,rgba(11,21,36,.86) 55%,var(--bg-base) 100%);
}
.hero .container{position:relative;z-index:2}

.filter-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:12px 16px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  margin-bottom:36px;
}
.filter-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-chip);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  font-size:13px;color:var(--t2);transition:border-color .16s ease,color .16s ease,background .16s ease;
  min-height:32px;
}
.filter-chip:hover{color:var(--t1);border-color:rgba(201,242,74,.45)}
.filter-chip.is-on{background:rgba(201,242,74,.14);border-color:rgba(201,242,74,.5);color:var(--brand)}
.filter-status{margin-left:auto;font-size:13px;color:var(--t3)}
.filter-status strong{color:var(--brand);font-weight:700}

.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.hero-media{
  position:relative;width:100%;max-width:330px;margin:0 auto;
  aspect-ratio:9/16;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  background:linear-gradient(160deg,#132742,#0B1524);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media .media-shade{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,21,36,.05) 30%,rgba(11,21,36,.82) 100%);
}
.hero-media .media-foot{
  position:absolute;left:16px;right:16px;bottom:14px;color:var(--t1);font-size:13px;line-height:1.6;
}
.hero-media .media-foot strong{display:block;font-size:15px;font-weight:700}
.hero-media .media-foot span{color:var(--t2)}
.play-btn{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;
  background:rgba(201,242,74,.92);color:var(--brand-ink);
  display:flex;align-items:center;justify-content:center;font-size:19px;
  box-shadow:0 8px 24px rgba(201,242,74,.35);
}
.badge-dur{
  position:absolute;right:12px;bottom:12px;
  background:rgba(0,0,0,.55);color:#fff;font-size:12px;
  padding:3px 8px;border-radius:6px;font-variant-numeric:tabular-nums;
}
.hero-copy .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--brand);font-weight:600;letter-spacing:.02em;margin-bottom:14px;
}
.hero-copy h1{margin-bottom:18px}
.hero-copy h1 em{font-style:normal;color:var(--brand)}
.hero-lead{font-size:17px;color:var(--t2);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px;padding-top:22px;border-top:1px solid var(--line)}
.hero-facts .fact{min-width:120px}
.hero-facts .fact b{display:block;font-size:24px;color:var(--t1);font-variant-numeric:tabular-nums;line-height:1.3}
.hero-facts .fact span{font-size:13px;color:var(--t3)}

/* ---------- section shell ---------- */
.section{padding:var(--sect) 0}
.section.tight{padding:72px 0}
.section.alt{background:var(--bg-sub);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-title{margin-bottom:12px}
.section-sub{color:var(--t2);font-size:16px;margin:0}
.track-line{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.track-line::before{content:"";height:1px;flex:1;background:var(--line)}
.track-line::after{content:"";width:56px;height:3px;border-radius:3px;background:var(--brand)}
.track-line.left::before{display:none}
.eyebrow-plain{font-size:13px;color:var(--brand);font-weight:600;letter-spacing:.08em;margin-bottom:10px;display:block}

/* ---------- features ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-item{
  padding:26px 22px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.feature-item:hover{transform:translateY(-4px);border-color:rgba(201,242,74,.35);box-shadow:var(--shadow)}
.feature-num{
  font-size:30px;font-weight:800;color:rgba(201,242,74,.85);
  font-variant-numeric:tabular-nums;line-height:1;margin-bottom:14px;display:block;
}
.feature-item h3{font-size:18px;margin-bottom:8px}
.feature-item p{margin:0;font-size:14.5px;color:var(--t2)}

/* ---------- layout with side nav ---------- */
.layout-side{display:grid;grid-template-columns:250px 1fr;gap:32px;align-items:start}
.side-col{position:sticky;top:150px}
.side-nav{
  padding:18px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
}
.side-nav .side-title{font-size:13px;color:var(--t3);letter-spacing:.06em;margin-bottom:14px}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:44px;padding:10px 12px;border-radius:var(--r-sm);
  color:var(--t2);font-size:14.5px;font-weight:600;
  transition:background .18s ease,color .18s ease,padding .18s ease;
}
.side-nav a span.count{font-size:12px;color:var(--t3);font-variant-numeric:tabular-nums}
.side-nav a:hover{background:rgba(255,255,255,.05);color:var(--t1);padding-left:16px}
.side-nav a.is-on{background:rgba(201,242,74,.13);color:var(--brand);border-left:3px solid var(--brand)}
.side-card{
  margin-top:20px;padding:20px;border-radius:var(--r-card);
  background:var(--bg-sub);border:1px solid var(--line);
}
.side-card h4{font-size:15px;margin-bottom:10px;color:var(--t1)}
.side-card p{font-size:13.5px;margin:0 0 14px;color:var(--t2)}

/* ---------- clip grid ---------- */
.grid-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.grid-head h2{font-size:26px}
.grid-head .grid-note{font-size:13px;color:var(--t3)}
.clip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.clip-card{
  border-radius:var(--r-card);overflow:hidden;
  background:var(--bg-sub);border:1px solid var(--line);
  display:flex;flex-direction:column;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.clip-card:hover{transform:translateY(-4px);border-color:rgba(201,242,74,.35);box-shadow:var(--shadow)}
.clip-cover{position:relative;aspect-ratio:9/16;overflow:hidden;background:linear-gradient(160deg,#152a45,#0B1524)}
.clip-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.clip-card:hover .clip-cover img{transform:scale(1.05)}
.clip-cover .shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,21,36,0) 40%,rgba(11,21,36,.78) 100%)}
.clip-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(.92);
  width:44px;height:44px;border-radius:50%;
  background:rgba(201,242,74,.9);color:var(--brand-ink);
  display:flex;align-items:center;justify-content:center;font-size:15px;
  transition:transform .2s ease;
}
.clip-card:hover .clip-play{transform:translate(-50%,-50%) scale(1)}
.badge-flag{
  position:absolute;left:12px;top:12px;
  background:var(--accent);color:#fff;font-size:12px;font-weight:700;
  padding:3px 9px;border-radius:6px;letter-spacing:.02em;
}
.clip-body{padding:16px;display:flex;flex-direction:column;gap:10px;flex:1}
.clip-title{
  color:var(--t1);font-size:15.5px;font-weight:600;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:48px;
}
.clip-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:12.5px;color:var(--t3);border-top:1px solid var(--line);padding-top:10px;
}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:var(--r-chip);
  background:rgba(201,242,74,.12);border:1px solid rgba(201,242,74,.3);
  color:var(--brand);font-size:12px;font-weight:600;
}

/* ---------- metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric-card{
  padding:24px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
}
.metric-card .metric-value{
  font-size:32px;font-weight:800;color:var(--t1);
  font-variant-numeric:tabular-nums;line-height:1.2;display:block;margin-bottom:6px;
}
.metric-card .metric-value em{font-style:normal;font-size:16px;color:var(--brand);margin-left:4px}
.metric-card .metric-label{font-size:13.5px;color:var(--t2);display:block}
.metric-card .metric-bar{
  height:4px;border-radius:4px;background:rgba(255,255,255,.08);margin-top:16px;overflow:hidden;
}
.metric-card .metric-bar i{display:block;height:100%;background:var(--brand);border-radius:4px}
.metric-note{margin-top:22px;font-size:13px;color:var(--t3)}

/* ---------- reviews ---------- */
.review-track{
  display:flex;gap:20px;overflow-x:auto;padding:4px 4px 18px;
  scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.review-track::-webkit-scrollbar{height:6px}
.review-track::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:6px}
.review-card{
  flex:0 0 auto;width:360px;scroll-snap-align:start;
  padding:22px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.review-avatar{
  width:42px;height:42px;border-radius:50%;flex:0 0 42px;
  background:linear-gradient(150deg,#1B3category,#12233A);
  background:linear-gradient(150deg,#1B3352,#12233A);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand);font-weight:700;font-size:15px;
}
.review-name{color:var(--t1);font-size:15px;font-weight:600;line-height:1.4}
.review-role{font-size:12.5px;color:var(--t3)}
.review-body{font-size:14.5px;color:var(--t2);margin:0}
.review-stars{color:var(--accent);font-size:12px;margin-top:12px;display:block}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  background:var(--glass)!important;border:1px solid var(--line)!important;
  border-radius:var(--r-card)!important;margin-bottom:14px;overflow:hidden;
  backdrop-filter:blur(14px) saturate(140%);
}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{
  background:transparent!important;color:var(--t1)!important;
  font-size:16px;font-weight:600;padding:20px 22px;box-shadow:none!important;
  border-radius:var(--r-card)!important;
}
.accordion-button:not(.collapsed){color:var(--brand)!important}
.accordion-button::after{
  background-image:none!important;
  width:10px;height:10px;margin-left:auto;
  border-right:2px solid var(--t2);border-bottom:2px solid var(--t2);
  transform:rotate(45deg);transition:transform .24s ease,border-color .2s ease;
  background-size:0;
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--brand)}
.accordion-button:focus{outline:2px solid var(--brand);outline-offset:-2px}
.accordion-body{
  padding:0 22px 22px;color:var(--t2);font-size:15px;line-height:1.85;
  border-top:1px solid var(--line);padding-top:16px;
}
.accordion-body p:last-child{margin-bottom:0}

/* ---------- cta band ---------- */
.cta-band{position:relative;padding:0 0 var(--sect)}
.cta-inner{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);border:1px solid var(--line);
  background:var(--bg-sub);
  padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner::before{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;
  background:radial-gradient(circle,rgba(201,242,74,.18),transparent 68%);
}
.cta-inner > *{position:relative;z-index:2}
.cta-copy{max-width:620px}
.cta-copy h2{margin-bottom:12px;font-size:28px}
.cta-copy p{margin:0;color:var(--t2)}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{
  background:var(--bg-base);border-top:1px solid var(--line);
  padding:64px 0 26px;margin-top:8px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand p{font-size:14px;color:var(--t2);margin:16px 0 0;max-width:320px;line-height:1.8}
.footer-title{font-size:14px;color:var(--t1);font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer-links li{margin-bottom:10px}
.footer-links a{color:var(--t2);font-size:14px}
.footer-links a:hover{color:var(--brand)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--t2);margin-bottom:12px;line-height:1.7}
.footer-contact i{color:var(--brand);margin-top:5px}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}
.site-footer .logo-text small{color:var(--t3)}

/* ---------- mobile sticky bar ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(15,29,49,.92);backdrop-filter:blur(14px) saturate(140%);
  border-top:1px solid var(--line);
  align-items:center;justify-content:space-between;gap:14px;
}
.mobile-bar .bar-text{font-size:13px;color:var(--t2);line-height:1.4}
.mobile-bar .bar-text strong{display:block;color:var(--t1);font-size:14px}
.mobile-bar .btn{padding:10px 18px;min-height:44px}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  :root{--sect:88px}
  h1{font-size:38px}
  .clip-grid{grid-template-columns:repeat(3,1fr)}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:991.98px){
  :root{--sect:72px}
  .container{padding-left:24px;padding-right:24px}
  h1{font-size:34px}
  h2{font-size:26px}
  .hero{padding:40px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{max-width:280px}
  .hero-lead{font-size:16px}
  .layout-side{grid-template-columns:1fr;gap:24px}
  .side-col{position:static}
  .side-nav{display:flex;gap:10px;overflow-x:auto;padding:12px;align-items:center}
  .side-nav .side-title{display:none}
  .side-nav a{flex:0 0 auto;padding:10px 16px;border-radius:var(--r-chip);background:rgba(255,255,255,.05);border:1px solid var(--line)}
  .side-nav a:hover{padding-left:16px}
  .side-nav a.is-on{border-left:1px solid rgba(201,242,74,.5)}
  .side-nav a span.count{display:none}
  .side-card{margin-top:16px}
  .clip-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{padding:40px 30px}
}
@media (max-width:767.98px){
  body{font-size:15px}
  .container{padding-left:20px;padding-right:20px}
  h1{font-size:30px}
  h2{font-size:24px}
  h3{font-size:18px}
  .header-main{padding-top:12px;padding-bottom:12px}
  .logo-mark{width:40px;height:40px;flex:0 0 40px;font-size:15px}
  .logo-text{font-size:17px}
  .logo-text small{display:none}
  .header-cta{display:none}
  .topbar-text{font-size:12.5px}
  .filter-row{padding:10px 12px;margin-bottom:26px}
  .filter-status{margin-left:0;width:100%;font-size:12.5px}
  .hero-facts{gap:18px}
  .hero-facts .fact{min-width:96px}
  .hero-facts .fact b{font-size:20px}
  .clip-grid{grid-template-columns:1fr;max-width:340px;margin:0 auto;gap:18px}
  .feature-grid{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr}
  .review-card{width:280px}
  .cta-inner{padding:32px 22px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .mobile-bar{display:flex}
  body{padding-bottom:78px}
}
@media (max-width:420px){
  h1{font-size:27px}
  .review-card{width:250px}
}

/* roulang page: category2 */
:root{
  --bg-base:#0B1524;
  --bg-sub:#0F1D31;
  --glass:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.10);
  --brand:#C9F24A;
  --brand-soft:rgba(201,242,74,.30);
  --accent:#FF6B2C;
  --t1:#F2F6FF;
  --t2:#A9B7CC;
  --t3:#6E7E96;
  --r-chip:999px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-btn:10px;
  --shadow:0 12px 32px rgba(4,10,20,.45);
  --glow:0 8px 24px rgba(201,242,74,.22);
  --maxw:1240px;

  --bs-body-bg:#0B1524;
  --bs-body-color:#A9B7CC;
  --bs-border-color:rgba(255,255,255,.10);
  --bs-link-color:#C9F24A;
  --bs-link-hover-color:#dcff77;
  --bs-primary:#C9F24A;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--t2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;object-fit:cover}
a{text-decoration:none;color:var(--brand);transition:color .18s ease}
a:hover{color:#dcff77}
h1,h2,h3,h4,h5{color:var(--t1);margin:0;line-height:1.35;letter-spacing:.01em;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
::selection{background:rgba(201,242,74,.28);color:#fff}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding-left:32px;padding-right:32px}
@media(max-width:1199px){.container{padding-left:24px;padding-right:24px}}
@media(max-width:767px){.container{padding-left:20px;padding-right:20px}}

/* ============ 顶部提示条 ============ */
.topbar{background:linear-gradient(90deg,rgba(201,242,74,.14),rgba(255,107,44,.10));border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;padding-top:6px;padding-bottom:6px}
.topbar-text{font-size:13px;color:var(--t2);display:flex;align-items:center;gap:8px}
.topbar-text i{color:var(--brand)}
.topbar-close{background:transparent;border:0;color:var(--t3);width:28px;height:28px;border-radius:8px;cursor:pointer;transition:all .18s ease}
.topbar-close:hover{color:var(--t1);background:var(--glass)}
.topbar.is-hidden{display:none}

/* ============ 头部 ============ */
.site-header{position:relative;z-index:1040}
.header-main{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:18px;padding-bottom:18px}
.logo{display:inline-flex;align-items:center;gap:12px;color:var(--t1)}
.logo-mark{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand);color:#0B1524;font-weight:800;font-size:15px;letter-spacing:.02em;
  box-shadow:var(--glow);flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;font-size:19px;font-weight:800;color:var(--t1)}
.logo-text small{font-size:11px;font-weight:400;color:var(--t3);letter-spacing:.06em;margin-top:3px}
.logo:hover .logo-text{color:var(--brand)}

/* ============ 分段标签导航 ============ */
.nav-wrap{position:sticky;top:0;z-index:1030;background:rgba(11,21,36,.86);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid var(--line)}
.chip-nav{display:flex;align-items:center;gap:10px;padding:12px 0;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.chip-nav::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--r-chip);
  background:var(--glass);border:1px solid var(--line);
  color:var(--t2);font-size:14px;font-weight:500;min-height:44px;
  transition:all .16s ease;white-space:nowrap;
}
.chip:hover{color:var(--t1);border-color:var(--brand-soft);transform:translateY(-1px)}
.chip.active{background:var(--brand);border-color:var(--brand);color:#0B1524;font-weight:700}
.chip:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:all .18s ease;cursor:pointer;line-height:1.2;
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-primary{background:var(--brand);color:#0B1524;box-shadow:var(--glow)}
.btn-primary:hover{background:#d8ff6a;color:#0B1524;transform:translateY(-2px);box-shadow:0 12px 30px rgba(201,242,74,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:var(--glass);border-color:var(--line);color:var(--t1)}
.btn-ghost:hover{border-color:var(--brand-soft);color:var(--brand);transform:translateY(-2px)}
.btn-link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:600;font-size:15px;min-height:44px}
.btn-link-arrow i{transition:transform .18s ease}
.btn-link-arrow:hover i{transform:translateX(3px)}
.header-cta{flex:0 0 auto}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-tight{padding:64px 0}
@media(max-width:991px){.section{padding:64px 0}.section-tight{padding:48px 0}}
@media(max-width:767px){.section{padding:56px 0}.section-tight{padding:40px 0}}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap;margin-bottom:40px}
.section-head h2{font-size:30px;font-weight:700;letter-spacing:.01em}
.section-head p{margin-top:12px;color:var(--t2);max-width:600px;font-size:15px}
.section-head .head-right{flex:0 0 auto}
@media(max-width:767px){
  .section-head h2{font-size:24px}
  .section-head{margin-bottom:28px}
}
.rule{height:1px;background:var(--line);position:relative;overflow:hidden;border:0;margin:0}
.rule::after{content:"";position:absolute;left:0;top:0;height:1px;width:96px;background:var(--brand)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-chip);
  background:rgba(201,242,74,.10);border:1px solid rgba(201,242,74,.22);
  color:var(--brand);font-size:12px;font-weight:600;
}
.tag-orange{background:rgba(255,107,44,.14);border-color:rgba(255,107,44,.32);color:#ffa87a}

/* ============ 面包屑 ============ */
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--t3);margin-bottom:18px}
.crumbs a{color:var(--t3)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:rgba(255,255,255,.22)}
.crumbs .current{color:var(--t2)}

/* ============ 宽幅 Hero ============ */
.hero-wide{padding-top:36px}
.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:16/6;border:1px solid var(--line);background:var(--bg-sub);
  box-shadow:var(--shadow);
}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.62}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,21,36,.20) 0%,rgba(11,21,36,.78) 100%);
}
.hero-media-overlay{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 28px;flex-wrap:wrap;
}
.hero-media-note{font-size:13px;color:var(--t2);display:inline-flex;align-items:center;gap:8px}
.hero-media-note i{color:var(--brand)}

.hero-body{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:48px;align-items:start;padding-top:48px}
.hero-copy h1{font-size:44px;font-weight:800;line-height:1.25;letter-spacing:0}
.hero-copy h1 .hl{color:var(--brand)}
.hero-copy .lead{margin-top:18px;font-size:17px;color:var(--t2);max-width:560px;line-height:1.75}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-facts{margin-top:34px;display:flex;flex-wrap:wrap;gap:12px}
.fact{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:10px 16px;font-size:13px;color:var(--t2);display:inline-flex;align-items:center;gap:8px;
}
.fact i{color:var(--brand);font-size:12px}

.hero-metrics{
  display:grid;grid-template-columns:repeat(2,1fr);gap:16px;
}
.metric{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 18px;transition:all .2s ease;
}
.metric:hover{border-color:var(--brand-soft);transform:translateY(-4px);box-shadow:var(--shadow)}
.metric strong{display:block;font-size:28px;font-weight:800;color:var(--t1);font-variant-numeric:tabular-nums;line-height:1.2}
.metric strong .unit{font-size:14px;font-weight:600;color:var(--brand);margin-left:2px}
.metric span{display:block;margin-top:8px;font-size:13px;color:var(--t3)}

@media(max-width:991px){
  .hero-body{grid-template-columns:1fr;gap:36px;padding-top:36px}
  .hero-copy h1{font-size:34px}
  .hero-media{aspect-ratio:16/9}
}
@media(max-width:767px){
  .hero-copy h1{font-size:30px}
  .hero-media{aspect-ratio:4/3}
  .hero-media-overlay{padding:14px 16px}
  .hero-copy .lead{font-size:15px}
  .hero-actions .btn{width:100%}
}

/* ============ 指标带 ============ */
.metrics-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-sub)}
.metrics-band-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:34px 0}
.band-item{display:flex;flex-direction:column;gap:6px}
.band-item strong{font-size:26px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.band-item span{font-size:13px;color:var(--t3)}
.band-note{margin-top:6px;font-size:13px;color:var(--t3)}
@media(max-width:991px){.metrics-band-inner{grid-template-columns:repeat(2,1fr);gap:20px}}
@media(max-width:575px){.metrics-band-inner{grid-template-columns:repeat(2,1fr);padding:24px 0}}

/* ============ 维度卡 ============ */
.dim-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.dim-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:all .2s ease;backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  display:flex;flex-direction:column;
}
.dim-card:hover{border-color:var(--brand-soft);transform:translateY(-4px);box-shadow:var(--shadow)}
.dim-thumb{position:relative;aspect-ratio:3/2;overflow:hidden;background:var(--bg-sub)}
.dim-thumb img{width:100%;height:100%;transition:transform .4s ease}
.dim-card:hover .dim-thumb img{transform:scale(1.05)}
.dim-thumb .badge-dur{
  position:absolute;right:10px;bottom:10px;padding:3px 8px;border-radius:6px;
  background:rgba(0,0,0,.55);color:#fff;font-size:12px;font-variant-numeric:tabular-nums;
}
.dim-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.dim-body h3{font-size:18px;font-weight:600}
.dim-body p{font-size:14px;color:var(--t2);line-height:1.75}
.dim-body .dim-foot{margin-top:auto;padding-top:10px;border-top:1px solid var(--line);font-size:12px;color:var(--t3);display:flex;justify-content:space-between;gap:10px}
@media(max-width:1199px){.dim-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:575px){.dim-grid{grid-template-columns:1fr}}

/* ============ 时间轴 + 侧栏 ============ */
.data-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:36px;align-items:start}
.tline{display:flex;flex-direction:column;gap:14px}
.tline-item{
  display:grid;grid-template-columns:64px minmax(0,1fr);gap:20px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;transition:all .2s ease;
}
.tline-item:hover{border-color:var(--brand-soft);transform:translateX(4px);box-shadow:var(--shadow)}
.tline-num{
  font-size:30px;font-weight:800;color:transparent;-webkit-text-stroke:1px var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.tline-body h3{font-size:20px;font-weight:600;margin-bottom:10px}
.tline-body p{font-size:15px;color:var(--t2);line-height:1.85}
.tline-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tline-tags .tag{font-size:12px}

.side-card{
  position:sticky;top:96px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
}
.side-card h3{font-size:18px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--brand);font-size:15px}
.side-list{display:flex;flex-direction:column;gap:14px}
.side-list li{display:flex;gap:10px;font-size:14px;color:var(--t2);line-height:1.75}
.side-list li i{color:var(--brand);font-size:12px;margin-top:8px;flex:0 0 auto}
.side-divider{height:1px;background:var(--line);margin:20px 0}
.side-meta{display:flex;justify-content:space-between;font-size:13px;color:var(--t3);padding:8px 0}
.side-meta strong{color:var(--t1);font-weight:600;font-variant-numeric:tabular-nums}
.side-card .btn{width:100%;margin-top:18px}
@media(max-width:991px){
  .data-layout{grid-template-columns:1fr;gap:28px}
  .side-card{position:static}
}
@media(max-width:575px){
  .tline-item{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:18px}
  .tline-num{font-size:22px}
  .tline-body h3{font-size:18px}
}

/* ============ 场景区 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.scene{
  border:1px solid var(--line);border-radius:var(--r-md);padding:26px 22px;
  background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  transition:all .2s ease;
}
.scene:hover{border-color:var(--brand-soft);transform:translateY(-4px);box-shadow:var(--shadow)}
.scene .scene-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(201,242,74,.12);color:var(--brand);font-size:17px;margin-bottom:18px;
}
.scene h3{font-size:18px;font-weight:600;margin-bottom:10px}
.scene p{font-size:14px;color:var(--t2);line-height:1.8}
@media(max-width:1199px){.scene-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:575px){.scene-grid{grid-template-columns:1fr}}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  background:var(--glass);border:1px solid var(--line)!important;
  border-radius:var(--r-sm)!important;margin-bottom:12px;overflow:hidden;
}
.accordion-button{
  background:transparent;color:var(--t1);font-size:16px;font-weight:600;
  padding:20px 22px;box-shadow:none!important;min-height:44px;line-height:1.6;
}
.accordion-button:not(.collapsed){color:var(--brand);background:rgba(201,242,74,.05)}
.accordion-button:hover{color:var(--brand)}
.accordion-button::after{
  background-image:none!important;
  width:10px;height:10px;border-right:2px solid var(--t2);border-bottom:2px solid var(--t2);
  transform:rotate(45deg);margin-left:auto;flex:0 0 auto;
  transition:transform .22s ease,border-color .22s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--brand)}
.accordion-button:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.accordion-body{padding:0 22px 22px;font-size:15px;color:var(--t2);line-height:1.85}
.accordion-body p{margin:0}

/* ============ CTA 横幅 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--line);background:var(--bg-sub);
  padding:56px 48px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,242,74,.16),transparent 68%);
}
.cta-band h2{font-size:30px;font-weight:700;margin-bottom:14px}
.cta-band p{font-size:15px;color:var(--t2);max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}
@media(max-width:991px){
  .cta-band{grid-template-columns:1fr;padding:40px 28px;gap:26px}
  .cta-band h2{font-size:24px}
}
@media(max-width:575px){.cta-actions .btn{width:100%}}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-base);border-top:1px solid var(--line);margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px;padding:72px 0 48px}
.footer-brand p{margin-top:18px;font-size:14px;color:var(--t2);max-width:320px;line-height:1.8}
.footer-title{font-size:15px;font-weight:600;color:var(--t1);margin-bottom:18px}
.footer-links li{margin-bottom:12px}
.footer-links a{color:var(--t2);font-size:14px}
.footer-links a:hover{color:var(--brand)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--t2);margin-bottom:14px;line-height:1.7}
.footer-contact i{color:var(--brand);font-size:13px;margin-top:7px;flex:0 0 auto}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;display:flex;
  align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}
@media(max-width:991px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;padding:56px 0 36px}}
@media(max-width:575px){.footer-grid{grid-template-columns:1fr;padding:44px 0 28px}}

/* ============ 移动吸底转化条 ============ */
.sticky-cta{display:none}
@media(max-width:575px){
  .sticky-cta{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:fixed;left:0;right:0;bottom:0;z-index:1050;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));
    background:rgba(11,21,36,.94);backdrop-filter:blur(14px) saturate(140%);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    border-top:1px solid var(--line);
  }
  .sticky-cta .sticky-text{font-size:13px;color:var(--t2);line-height:1.4}
  .sticky-cta .btn{padding:10px 18px;font-size:14px}
  body{padding-bottom:78px}
}

/* 焦点与无障碍 */
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* roulang page: category3 */
/* ============ 设计令牌 ============ */
:root{
  --bg-base:#0B1524;
  --bg-sub:#0F1D31;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.085);
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --brand:#C9F24A;
  --brand-soft:rgba(201,242,74,.14);
  --brand-line:rgba(201,242,74,.30);
  --accent:#FF6B2C;
  --t1:#F2F6FF;
  --t2:#A9B7CC;
  --t3:#6E7E96;
  --r-chip:999px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-btn:10px;
  --shadow:0 12px 32px rgba(4,10,20,.45);
  --shadow-hover:0 18px 42px rgba(4,10,20,.62);
  --glow:0 8px 24px rgba(201,242,74,.22);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --container:1240px;
  --sp:24px;
  /* Bootstrap 覆盖 */
  --bs-body-bg:var(--bg-base);
  --bs-body-color:var(--t2);
  --bs-primary:var(--brand);
  --bs-border-color:var(--line);
  --bs-link-color:var(--brand);
  --bs-link-hover-color:#ddf77e;
  --bs-font-sans-serif:var(--font);
  --bs-border-radius:var(--r-md);
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background:var(--bg-base);
  background-image:
    radial-gradient(1000px 460px at 82% -8%, rgba(201,242,74,.07), transparent 62%),
    radial-gradient(760px 420px at 4% 22%, rgba(255,107,44,.055), transparent 66%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--brand);}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{color:var(--t1);margin:0;line-height:1.32;letter-spacing:.01em;}
h1{font-size:44px;font-weight:800;}
h2{font-size:30px;font-weight:700;}
h3{font-size:20px;font-weight:600;}
p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
section{position:relative;}
.section{padding:112px 0;}
.section-sm{padding:72px 0;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}

/* ============ 通用文字 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--brand);letter-spacing:.04em;
  background:var(--brand-soft);border:1px solid var(--brand-line);
  border-radius:var(--r-chip);padding:6px 14px;margin-bottom:18px;
}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--t2);font-size:16px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.muted{color:var(--t3);font-size:13px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn i{font-size:13px;transition:transform .18s ease;}
.btn-primary{
  background:var(--brand);color:#0B1524;border-color:var(--brand);
  box-shadow:0 6px 18px rgba(201,242,74,.16);
}
.btn-primary:hover,.btn-primary:focus{
  background:#d9f96f;color:#0B1524;transform:translateY(-2px);box-shadow:var(--glow);
}
.btn-ghost{
  background:var(--glass);color:var(--t1);border-color:var(--line);
  backdrop-filter:blur(14px) saturate(140%);
}
.btn-ghost:hover,.btn-ghost:focus{
  color:var(--t1);border-color:var(--brand-line);background:rgba(255,255,255,.09);transform:translateY(-2px);
}
.btn-link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--brand);font-weight:600;font-size:15px;min-height:44px;
}
.btn-link-arrow i{transition:transform .18s ease;}
.btn-link-arrow:hover i{transform:translateX(3px);}
.btn-primary:hover i{transform:translateX(3px);}

/* ============ Header ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(11,21,36,.88);backdrop-filter:blur(16px) saturate(150%);border-bottom:1px solid var(--line-soft);}
.topbar{background:linear-gradient(90deg,rgba(201,242,74,.12),rgba(255,107,44,.09));border-bottom:1px solid var(--line-soft);font-size:13px;}
.topbar.d-none{display:none !important;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:38px;}
.topbar-text{color:var(--t2);display:flex;align-items:center;gap:8px;}
.topbar-text i{color:var(--brand);}
.topbar-close{background:transparent;border:0;color:var(--t3);width:32px;height:32px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;}
.topbar-close:hover{color:var(--t1);background:var(--glass);}
.header-main{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:16px;padding-bottom:14px;}
.logo{display:inline-flex;align-items:center;gap:12px;}
.logo-mark{
  width:42px;height:42px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);color:#0B1524;font-weight:800;font-size:16px;letter-spacing:.02em;
  box-shadow:0 6px 18px rgba(201,242,74,.2);
}
.logo-text{display:flex;flex-direction:column;color:var(--t1);font-weight:800;font-size:19px;line-height:1.2;letter-spacing:.01em;}
.logo-text small{color:var(--t3);font-weight:400;font-size:11.5px;letter-spacing:.06em;margin-top:2px;}
.header-cta{white-space:nowrap;}
.nav-wrap{border-top:1px solid var(--line-soft);}
.chip-nav{display:flex;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:none;}
.chip-nav::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  padding:10px 18px;min-height:44px;border-radius:var(--r-chip);
  background:var(--glass);border:1px solid var(--line);
  color:var(--t2);font-size:14px;font-weight:600;white-space:nowrap;
  transition:all .16s ease;
}
.chip:hover{color:var(--t1);border-color:var(--brand-line);transform:translateY(-1px);background:rgba(255,255,255,.09);}
.chip.active{background:var(--brand);border-color:var(--brand);color:#0B1524;box-shadow:0 6px 16px rgba(201,242,74,.18);}

/* ============ Hero（清单/对照向：左对齐大标题 + 右侧指标卡组） ============ */
.hero{padding:88px 0 72px;border-bottom:1px solid var(--line-soft);overflow:hidden;}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(180deg,rgba(11,21,36,.55),rgba(11,21,36,.95)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.36;
}
.hero > .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.25fr .95fr;gap:56px;align-items:start;}
.hero h1{font-size:44px;margin-bottom:18px;}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{font-size:17px;color:var(--t2);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-note{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:var(--t3);}
.hero-note span{display:inline-flex;align-items:center;gap:7px;}
.hero-note i{color:var(--brand);font-size:12px;}
.metric-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.metric-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px;backdrop-filter:blur(14px) saturate(140%);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.metric-card:hover{transform:translateY(-4px);border-color:var(--brand-line);box-shadow:var(--shadow);}
.metric-card b{display:block;font-size:28px;font-weight:800;color:var(--brand);line-height:1.1;}
.metric-card span{display:block;font-size:13px;color:var(--t3);margin-top:8px;}
.metric-card strong{display:block;color:var(--t1);font-size:15px;font-weight:600;margin-top:6px;}

/* ============ 筛选状态行 ============ */
.filter-bar{border-bottom:1px solid var(--line-soft);background:rgba(15,29,49,.55);}
.filter-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px 0;flex-wrap:wrap;}
.filter-track{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;}
.filter-track::-webkit-scrollbar{display:none;}
.tag{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:var(--r-chip);font-size:13px;font-weight:600;
  background:var(--glass);border:1px solid var(--line);color:var(--t2);
  transition:all .16s ease;
}
.tag:hover{color:var(--t1);border-color:var(--brand-line);}
.tag.on{background:var(--brand-soft);border-color:var(--brand-line);color:var(--brand);}
.filter-state{font-size:13px;color:var(--t3);}
.filter-state b{color:var(--t1);font-weight:600;}

/* ============ 瀑布清单卡 ============ */
.masonry{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start;}
.c-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;backdrop-filter:blur(14px) saturate(140%);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.c-card:hover{transform:translateY(-4px);border-color:var(--brand-line);box-shadow:var(--shadow-hover);}
.c-card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(140deg,#122238,#0B1524);}
.c-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.c-card:hover .c-card-media img{transform:scale(1.04);}
.c-card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,21,36,0),rgba(11,21,36,.72));}
.c-badge{
  position:absolute;top:14px;left:14px;z-index:2;
  font-size:12px;font-weight:600;padding:5px 11px;border-radius:var(--r-chip);
  background:var(--brand-soft);border:1px solid var(--brand-line);color:var(--brand);
  backdrop-filter:blur(8px);
}
.c-badge.hot{background:rgba(255,107,44,.16);border-color:rgba(255,107,44,.35);color:#ffb08a;}
.c-card-body{padding:24px;}
.c-card-body h3{margin-bottom:10px;}
.c-card-body p{font-size:15px;color:var(--t2);}
.c-index{
  display:inline-block;font-size:13px;font-weight:800;color:var(--brand);
  letter-spacing:.14em;margin-bottom:10px;font-variant-numeric:tabular-nums;
}
.c-meta{display:flex;align-items:center;gap:14px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--t3);}
.c-meta i{color:var(--brand);margin-right:6px;}

/* ============ 编号清单 ============ */
.checklist{border-top:1px solid var(--line);}
.check-item{
  display:flex;align-items:flex-start;gap:20px;
  padding:22px 18px 22px 24px;border-bottom:1px solid var(--line);
  position:relative;transition:transform .18s ease,background .18s ease;
}
.check-item::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;
  background:var(--brand);opacity:0;transition:opacity .18s ease;
}
.check-item:hover{transform:translateX(4px);background:rgba(255,255,255,.03);}
.check-item:hover::before{opacity:1;}
.check-no{font-size:20px;font-weight:800;color:var(--brand);min-width:42px;font-variant-numeric:tabular-nums;line-height:1.4;}
.check-main{flex:1;}
.check-main h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.check-main p{font-size:14.5px;color:var(--t2);}
.check-item i.arrow{color:var(--t3);margin-top:6px;transition:transform .18s ease,color .18s ease;}
.check-item:hover i.arrow{color:var(--brand);transform:translateX(3px);}

/* ============ 对照区 ============ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-col{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;backdrop-filter:blur(14px) saturate(140%);}
.compare-col.pick{border-color:var(--brand-line);box-shadow:0 0 0 1px rgba(201,242,74,.12) inset;}
.compare-col h3{display:flex;align-items:center;gap:10px;margin-bottom:6px;}
.compare-col h3 i{color:var(--brand);font-size:16px;}
.compare-col .lead{font-size:13px;color:var(--t3);margin-bottom:20px;}
.compare-col ul li{display:flex;gap:10px;font-size:14.5px;padding:10px 0;border-bottom:1px dashed var(--line-soft);color:var(--t2);}
.compare-col ul li:last-child{border-bottom:0;}
.compare-col ul li i{color:var(--brand);font-size:12px;margin-top:7px;}
.compare-col.warn ul li i{color:var(--accent);}

/* ============ 节奏时间轴 ============ */
.timeline{position:relative;padding-left:0;}
.tl-row{
  display:grid;grid-template-columns:120px 1fr;gap:28px;
  padding:26px 0;border-bottom:1px solid var(--line);
}
.tl-row:last-child{border-bottom:0;}
.tl-time{font-size:15px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.tl-time small{display:block;color:var(--t3);font-weight:400;font-size:12.5px;margin-top:4px;letter-spacing:0;}
.tl-body h3{margin-bottom:8px;}
.tl-body p{font-size:15px;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.pill{
  font-size:12px;color:var(--t2);padding:5px 11px;border-radius:var(--r-chip);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}

/* ============ 数据条 ============ */
.scale-box{background:var(--bg-sub);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;}
.scale-row{margin-bottom:24px;}
.scale-row:last-child{margin-bottom:0;}
.scale-top{display:flex;justify-content:space-between;align-items:baseline;font-size:14px;margin-bottom:10px;}
.scale-top b{color:var(--t1);font-weight:600;}
.scale-top span{color:var(--brand);font-weight:800;font-variant-numeric:tabular-nums;}
.scale-bar{height:6px;border-radius:6px;background:rgba(255,255,255,.07);overflow:hidden;}
.scale-bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,rgba(201,242,74,.55),var(--brand));}
.scale-bar.orange i{background:linear-gradient(90deg,rgba(255,107,44,.5),var(--accent));}

/* ============ FAQ ============ */
.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-color:transparent;}
.accordion-item{
  background:var(--glass);border:1px solid var(--line) !important;border-radius:var(--r-md) !important;
  margin-bottom:14px;overflow:hidden;backdrop-filter:blur(14px) saturate(140%);
}
.accordion-button{
  background:transparent;color:var(--t1);font-weight:600;font-size:16px;
  padding:20px 22px;box-shadow:none !important;
}
.accordion-button:not(.collapsed){color:var(--brand);background:rgba(201,242,74,.05);}
.accordion-button::after{
  background-image:none;
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  width:auto;height:auto;font-size:13px;color:var(--t3);
  transition:transform .22s ease,color .22s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--brand);}
.accordion-body{padding:0 22px 22px;color:var(--t2);font-size:15px;line-height:1.85;border-top:1px solid var(--line-soft);padding-top:18px;}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(120deg,rgba(201,242,74,.12),rgba(15,29,49,.9) 58%);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:44px;display:flex;align-items:center;justify-content:space-between;gap:34px;
  position:relative;overflow:hidden;backdrop-filter:blur(14px) saturate(140%);
}
.cta-band::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--brand);}
.cta-band h2{font-size:26px;margin-bottom:10px;}
.cta-band p{color:var(--t2);font-size:15px;max-width:640px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}

/* ============ Footer ============ */
.site-footer{background:#0B1524;border-top:1px solid var(--line);margin-top:0;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand p{font-size:14px;color:var(--t3);margin-top:18px;max-width:320px;line-height:1.8;}
.footer-title{font-size:14px;font-weight:700;color:var(--t1);margin-bottom:18px;letter-spacing:.02em;}
.footer-links li{margin-bottom:12px;}
.footer-links a{font-size:14px;color:var(--t2);}
.footer-links a:hover{color:var(--brand);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--t2);margin-bottom:14px;align-items:flex-start;}
.footer-contact i{color:var(--brand);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid var(--line-soft);padding:22px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}

/* ============ 移动吸底转换条 ============ */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:none;align-items:center;gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(11,21,36,.92);backdrop-filter:blur(16px) saturate(150%);
  border-top:1px solid var(--line);
  transform:translateY(110%);transition:transform .3s ease;
}
.mobile-bar.show{transform:translateY(0);}
.mobile-bar .mb-text{flex:1;font-size:13px;color:var(--t2);line-height:1.5;}
.mobile-bar .mb-text b{display:block;color:var(--t1);font-size:14px;}
.mobile-bar .btn{min-height:44px;padding:10px 16px;font-size:14px;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 24px;}
  .section{padding:88px 0;}
  .hero-grid{gap:40px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  h1{font-size:34px;}
  h2{font-size:26px;}
  .hero{padding:64px 0 56px;}
  .hero-grid{grid-template-columns:1fr;}
  .hero h1{font-size:34px;}
  .section{padding:72px 0;}
  .masonry{grid-template-columns:1fr;gap:20px;}
  .compare-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px;}
  .tl-row{grid-template-columns:96px 1fr;gap:20px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:18px;}
  body{font-size:15px;}
  .topbar-text{font-size:12.5px;}
  .header-main{padding-top:14px;padding-bottom:12px;}
  .logo-text{font-size:17px;}
  .logo-text small{display:none;}
  .header-cta{display:none;}
  .section{padding:64px 0;}
  .hero{padding:48px 0 44px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:15.5px;}
  .metric-cards{grid-template-columns:1fr 1fr;gap:12px;}
  .metric-card{padding:16px;}
  .metric-card b{font-size:22px;}
  .mobile-bar{display:flex;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .site-footer{padding-top:52px;padding-bottom:74px;}
  .cta-band{padding:26px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .tl-row{grid-template-columns:1fr;gap:8px;}
  .scale-box{padding:22px;}
  .compare-col{padding:22px;}
  .check-item{padding:18px 10px 18px 16px;gap:14px;}
  .check-no{min-width:32px;font-size:17px;}
}
@media (max-width:400px){
  .metric-cards{grid-template-columns:1fr;}
}