/* roulang page: index */
:root{
  --ink-900:#050D14;
  --ink-800:#0A1A26;
  --ink-700:#10293A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --brand-500:#1FE0A0;
  --brand-600:#0FA37F;
  --accent-500:#FF6B35;
  --accent-600:#E2551F;
  --hi-400:#FFD166;
  --text-100:#EAF4F8;
  --text-300:#A9BEC9;
  --text-500:#6E8794;
  --r-card:18px;
  --r-frame:24px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-1:0 18px 40px rgba(0,0,0,.45);
  --shadow-2:0 26px 56px rgba(0,0,0,.58);
  --glow-brand:0 0 0 1px rgba(31,224,160,.5), 0 12px 30px -8px rgba(31,224,160,.45);
  --glow-accent:0 0 0 1px rgba(255,107,53,.55), 0 14px 32px -10px rgba(255,107,53,.55);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow Semi Condensed","DIN Alternate","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text-300);
  background:
    radial-gradient(920px 620px at 10% -8%, rgba(31,224,160,.11), transparent 62%),
    radial-gradient(780px 540px at 94% 6%, rgba(255,107,53,.08), transparent 64%),
    var(--ink-900);
  background-attachment:fixed;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--text-100);text-decoration:none;transition:color .24s var(--ease),transform .24s var(--ease);}
a:hover{color:var(--brand-500);}
img{max-width:100%;display:block;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;box-shadow:0 0 0 4px rgba(31,224,160,.18);}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
h1,h2,h3,h4{color:var(--text-100);margin:0;line-height:1.25;font-weight:700;}
h2{font-size:28px;padding-left:14px;border-left:4px solid var(--brand-500);}
h3{font-size:20px;font-weight:500;}
p{margin:0;}
.lead-text{font-size:15px;color:var(--text-300);}
.more-link{font-size:14px;color:var(--brand-500);white-space:nowrap;}
.more-link:hover{color:var(--brand-500);transform:translateX(2px);}

/* ---------- header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:1040;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,13,20,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--line);
}
.nav-wrap{
  max-width:1200px;margin:0 auto;height:72px;padding:0 24px;
  display:flex;align-items:center;gap:20px;
}
.nav-side{display:flex;align-items:center;gap:6px;flex:1 1 0;min-width:0;}
.nav-side--right{justify-content:flex-end;}
.nav-link{
  position:relative;font-size:15px;letter-spacing:.01em;color:var(--text-300);
  padding:10px 12px;border-radius:var(--r-btn);white-space:nowrap;
}
.nav-link:hover{color:var(--brand-500);}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand-500);border-radius:2px;transform:scaleX(0);
  transition:transform .24s var(--ease);
}
.nav-link.is-active{color:var(--text-100);}
.nav-link.is-active::after{transform:scaleX(1);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;padding:6px 4px;}
.brand-mark{
  width:24px;height:24px;flex:0 0 24px;border-radius:8px;
  background:linear-gradient(140deg,var(--brand-500),var(--brand-600));
  box-shadow:0 0 0 1px rgba(31,224,160,.45),0 8px 18px -6px rgba(31,224,160,.6);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px 6px;border-radius:3px;
  background:var(--ink-900);clip-path:polygon(0 0,100% 50%,0 100%);
}
.brand-text{font-size:17px;font-weight:700;color:var(--text-100);letter-spacing:.01em;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:rgba(16,41,58,.6);position:relative;cursor:pointer;
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:2px;background:var(--text-100);border-radius:2px;
  transition:transform .26s var(--ease),opacity .2s var(--ease);
}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}

.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:500;letter-spacing:.01em;cursor:pointer;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
}
.btn-x:hover{transform:translateY(-4px);}
.btn-x:active{transform:translateY(-3px) scale(.995);}
.btn-accent{background:linear-gradient(140deg,var(--accent-500),var(--accent-600));color:#160702;box-shadow:var(--glow-accent);}
.btn-accent:hover{color:#160702;filter:brightness(1.08);box-shadow:0 0 0 1px rgba(255,107,53,.7),0 18px 38px -10px rgba(255,107,53,.7);}
.btn-ghost{background:rgba(255,255,255,.03);border-color:var(--line-strong);color:var(--text-100);}
.btn-ghost:hover{color:var(--brand-500);border-color:rgba(31,224,160,.45);}
.btn-brand{background:linear-gradient(140deg,var(--brand-500),var(--brand-600));color:#04241B;box-shadow:var(--glow-brand);}
.btn-brand:hover{color:#04241B;filter:brightness(1.06);}
.btn-sm{height:36px;padding:0 16px;font-size:13px;border-radius:var(--r-pill);}
.btn-lg{height:54px;padding:0 30px;font-size:16px;}

/* ---------- hero ---------- */
.hero{position:relative;padding:150px 0 88px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:linear-gradient(180deg,rgba(5,13,20,.55),rgba(5,13,20,.92)),
             url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.72;
}
.hero::after{
  content:"";position:absolute;left:-140px;top:120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,224,160,.18),transparent 68%);filter:blur(80px);z-index:0;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.42fr .92fr;gap:56px;align-items:center;}
.hero-copy{max-width:640px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.02em;color:var(--brand-500);
  background:rgba(31,224,160,.08);border:1px solid rgba(31,224,160,.35);
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--brand-500);box-shadow:0 0 10px var(--brand-500);}
.hero h1{font-size:52px;font-weight:700;letter-spacing:-.5px;margin:22px 0 18px;}
.hero-sub{font-size:17px;color:var(--text-300);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:34px;}
.hero-trust{list-style:none;display:flex;flex-wrap:wrap;gap:26px;margin:34px 0 0;padding:0;}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-500);}
.hero-trust svg{width:16px;height:16px;flex:0 0 16px;}
.hero-player{display:flex;justify-content:center;}
.player-frame{
  position:relative;width:100%;max-width:330px;aspect-ratio:9/16;
  border-radius:var(--r-frame);overflow:hidden;
  background:var(--ink-700);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-2);
}
.player-frame img{width:100%;height:100%;object-fit:cover;}
.player-frame .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,13,20,.30),rgba(5,13,20,.86));}
.player-badge,.player-duration{
  position:absolute;top:14px;height:24px;padding:0 10px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;font-size:12px;letter-spacing:.02em;
}
.player-badge{left:14px;background:rgba(255,107,53,.92);color:#170802;font-weight:500;}
.player-duration{right:14px;background:rgba(5,13,20,.72);border:1px solid var(--line-strong);color:var(--text-100);font-family:var(--font-num);}
.player-btn{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:50%;border:1px solid rgba(31,224,160,.6);
  background:rgba(31,224,160,.16);cursor:pointer;display:grid;place-items:center;
  animation:breathe 2.4s ease-in-out infinite;
  transition:transform .24s var(--ease);
}
.player-btn:hover{transform:translate(-50%,-50%) scale(1.06);}
.player-btn::after{
  content:"";width:0;height:0;margin-left:4px;
  border-left:16px solid var(--brand-500);border-top:10px solid transparent;border-bottom:10px solid transparent;
}
@keyframes breathe{0%,100%{box-shadow:0 0 0 0 rgba(31,224,160,.35);}50%{box-shadow:0 0 0 14px rgba(31,224,160,0);}}
.player-bar{position:absolute;left:16px;right:16px;bottom:18px;height:4px;border-radius:2px;background:rgba(255,255,255,.16);overflow:hidden;}
.player-bar span{display:block;height:100%;width:62%;background:var(--brand-500);border-radius:2px;}

/* ---------- clips ---------- */
.clip-track{
  display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 24px 22px;margin:0 -24px;
  scrollbar-width:thin;
}
.clip-track::-webkit-scrollbar{height:6px;}
.clip-track::-webkit-scrollbar-thumb{background:rgba(31,224,160,.28);border-radius:3px;}
.clip-card{
  flex:0 0 246px;scroll-snap-align:start;
  background:linear-gradient(160deg,rgba(31,224,160,.06),rgba(255,255,255,.02)),rgba(10,26,38,.72);
  border:1px solid var(--line);border-radius:var(--r-card);padding:12px;
  box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.clip-card:hover{transform:translateY(-4px);border-color:rgba(31,224,160,.35);box-shadow:var(--shadow-2);}
.clip-cover{position:relative;aspect-ratio:3/4;border-radius:14px;overflow:hidden;background:var(--ink-700);}
.clip-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.clip-card:hover .clip-cover img{transform:scale(1.04);}
.clip-hot{position:absolute;top:10px;left:10px;height:22px;padding:0 10px;border-radius:var(--r-pill);background:var(--accent-500);color:#180802;font-size:12px;display:inline-flex;align-items:center;letter-spacing:.02em;}
.clip-time{position:absolute;right:10px;bottom:10px;height:22px;padding:0 8px;border-radius:var(--r-pill);background:rgba(5,13,20,.75);border:1px solid var(--line-strong);color:var(--text-100);font-size:12px;font-family:var(--font-num);display:inline-flex;align-items:center;}
.clip-card h3{font-size:16px;font-weight:500;margin:14px 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.clip-card p{font-size:13px;color:var(--text-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- picks ---------- */
.pick-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 44px;}
.pick-item{
  display:flex;align-items:flex-start;gap:18px;padding:18px 0;
  border-bottom:1px solid var(--line);
  transition:transform .24s var(--ease);
}
.pick-item:hover{transform:translateY(-4px);}
.pick-item:nth-child(2),.pick-item:nth-child(5){margin-left:24px;}
.pick-num{
  font-family:var(--font-num);font-size:28px;line-height:1;font-weight:500;color:var(--brand-500);
  min-width:46px;letter-spacing:-.5px;font-variant-numeric:tabular-nums;
}
.pick-body{flex:1;min-width:0;}
.pick-body h3{font-size:17px;font-weight:500;margin-bottom:6px;}
.pick-body p{font-size:14px;color:var(--text-300);}
.pick-thumb{width:64px;height:64px;flex:0 0 64px;border-radius:12px;overflow:hidden;background:var(--ink-700);border:1px solid var(--line);}
.pick-thumb img{width:100%;height:100%;object-fit:cover;}

/* ---------- latest (cms) ---------- */
.latest-list{display:flex;flex-direction:column;gap:16px;}
.news-item{
  display:flex;gap:20px;padding:18px;border-radius:var(--r-card);
  background:linear-gradient(160deg,rgba(31,224,160,.05),rgba(255,255,255,.02)),rgba(10,26,38,.68);
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.news-item:hover{transform:translateY(-4px);border-color:rgba(31,224,160,.35);box-shadow:var(--shadow-2);}
.news-item--lead{padding:22px;background:linear-gradient(160deg,rgba(31,224,160,.09),rgba(255,107,53,.04)),rgba(10,26,38,.74);}
.news-thumb{width:96px;height:96px;flex:0 0 96px;border-radius:14px;overflow:hidden;background:var(--ink-700);}
.news-item--lead .news-thumb{width:200px;height:132px;flex:0 0 200px;}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-body{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center;}
.news-title{font-size:17px;font-weight:500;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item--lead .news-title{font-size:20px;}
.news-sum{font-size:14px;color:var(--text-300);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-500);}
.badge-cat{
  height:22px;padding:0 10px;border-radius:var(--r-pill);display:inline-flex;align-items:center;
  font-size:12px;letter-spacing:.02em;color:var(--brand-500);
  border:1px solid rgba(31,224,160,.42);background:rgba(31,224,160,.07);
}
.empty-state{
  min-height:180px;border-radius:var(--r-card);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(31,224,160,.05),rgba(255,255,255,.02)),rgba(10,26,38,.68);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;padding:32px;
}
.empty-icon{width:48px;height:48px;border-radius:50%;border:1px solid rgba(31,224,160,.4);display:grid;place-items:center;}
.empty-icon::after{content:"";width:18px;height:18px;border:2px solid var(--brand-500);border-radius:4px;}
.empty-title{font-size:15px;color:var(--text-100);}
.empty-sub{font-size:13px;color:var(--text-500);}

/* ---------- reviews ---------- */
.review-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:56px 0;}
.review-track{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px;}
.review-track::-webkit-scrollbar{height:6px;}
.review-track::-webkit-scrollbar-thumb{background:rgba(31,224,160,.28);border-radius:3px;}
.review-card{
  flex:0 0 280px;scroll-snap-align:start;padding:20px;border-radius:var(--r-card);
  background:rgba(16,41,58,.62);border:1px solid var(--line);
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.review-card:hover{transform:translateY(-4px);border-color:rgba(31,224,160,.3);}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.avatar{width:36px;height:36px;border-radius:50%;border:1px solid var(--brand-500);display:grid;place-items:center;font-size:14px;color:var(--brand-500);background:rgba(31,224,160,.08);}
.review-name{font-size:14px;color:var(--text-100);}
.review-sub{font-size:13px;color:var(--text-500);}
.stars{color:var(--hi-400);font-size:13px;letter-spacing:2px;margin-bottom:8px;}
.review-card p{font-size:14px;color:var(--text-300);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;
  background:rgba(10,26,38,.6);overflow:hidden;
  transition:border-color .24s var(--ease);
}
.faq-item.is-open{border-color:rgba(31,224,160,.4);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:17px;color:var(--text-100);line-height:1.5;
}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand-500);border-radius:2px;transition:transform .26s var(--ease);}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);}
.faq-item.is-open .faq-icon::before{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
.faq-a-inner{padding:0 20px 22px;border-left:3px solid var(--brand-500);margin-left:20px;font-size:15px;line-height:1.75;color:var(--text-300);}

/* ---------- cta ---------- */
.cta-band{
  position:relative;border-radius:var(--r-frame);overflow:hidden;
  padding:56px;border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(31,224,160,.12),rgba(255,107,53,.08)),rgba(10,26,38,.85);
  box-shadow:var(--shadow-1);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,53,.22),transparent 70%);filter:blur(70px);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr 1fr;gap:44px;align-items:center;}
.cta-inner h2{border-left:4px solid var(--brand-500);}
.cta-inner p{margin-top:14px;font-size:15px;}
.sub-form{margin-top:22px;display:flex;gap:12px;align-items:flex-start;}
.sub-form input{
  flex:1;height:48px;padding:0 16px;border-radius:var(--r-btn);
  background:rgba(5,13,20,.75);border:1px solid var(--line);color:var(--text-100);font-size:15px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.sub-form input::placeholder{color:var(--text-500);}
.sub-form input:focus{outline:none;border-color:rgba(31,224,160,.7);box-shadow:0 0 0 4px rgba(31,224,160,.16);}
.form-msg{font-size:13px;color:var(--accent-500);margin-top:8px;min-height:18px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-text{font-size:16px;}
.footer-note{font-size:14px;color:var(--text-300);max-width:280px;}
.footer-title{font-size:15px;color:var(--text-100);margin-bottom:16px;font-weight:500;}
.footer-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-300);}
.footer-links a:hover{color:var(--brand-500);transform:translateX(2px);}
.footer-contact{font-size:14px;color:var(--text-300);line-height:2;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:12px;color:var(--text-500);
}

/* ---------- mobile dock ---------- */
.mobile-dock{
  position:fixed;left:0;right:0;bottom:0;z-index:1050;height:60px;
  display:none;align-items:center;justify-content:space-between;gap:16px;padding:0 18px;
  background:rgba(5,13,20,.82);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
  opacity:0;transform:translateY(100%);pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.mobile-dock.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.mobile-dock span{font-size:13px;color:var(--text-300);}
.drawer-mask{position:fixed;inset:0;background:rgba(5,13,20,.6);backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .28s var(--ease);z-index:1055;}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;left:0;top:0;bottom:0;width:84%;max-width:340px;z-index:1060;
  background:var(--ink-800);border-right:1px solid var(--line);
  transform:translateX(-101%);transition:transform .3s var(--ease);
  padding:24px;display:flex;flex-direction:column;gap:8px;
}
.drawer.is-open{transform:translateX(0);}
.drawer .brand{margin-bottom:20px;}
.drawer a.drawer-link{
  font-size:18px;line-height:56px;color:var(--text-100);border-bottom:1px solid var(--line);
}
.drawer a.drawer-link.is-active{color:var(--brand-500);}
.drawer .btn-x{margin-top:22px;width:100%;}

@media (max-width:1199px){
  .hero h1{font-size:44px;}
}
@media (max-width:991px){
  .nav-side,.nav-wrap>.brand{display:none;}
  .nav-wrap{justify-content:space-between;height:60px;}
  .nav-toggle{display:block;order:-1;}
  .nav-mobile-brand{display:flex;align-items:center;gap:8px;}
  .nav-mobile-brand .brand-text{font-size:16px;}
  .hero{padding:120px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-copy{max-width:none;}
  .hero-player{order:2;}
  .player-frame{max-width:78%;}
  .pick-grid{grid-template-columns:1fr;gap:0;}
  .pick-item:nth-child(2),.pick-item:nth-child(5){margin-left:0;}
  .cta-inner{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container-x{padding:0 18px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:24px;}
  h2{font-size:22px;}
  .hero h1{font-size:32px;letter-spacing:-.3px;}
  .hero-sub{font-size:15px;}
  .hero-actions{gap:12px;}
  .btn-lg{width:100%;}
  .hero-trust{gap:16px;}
  .clip-track{margin:0 -18px;padding:4px 18px 18px;}
  .clip-card{flex:0 0 220px;}
  .news-item{flex-direction:column;gap:14px;padding:16px;}
  .news-item--lead .news-thumb,.news-thumb{width:100%;height:170px;flex:none;}
  .news-item--lead .news-title{font-size:18px;}
  .cta-band{padding:32px 22px;}
  .sub-form{flex-direction:column;}
  .sub-form .btn-x{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .mobile-dock{display:flex;}
  .faq-q{font-size:16px;padding:18px;}
  .faq-a-inner{margin-left:18px;padding:0 18px 20px;}
}
@media (min-width:768px){
  .mobile-dock{display:none !important;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition-duration:.001ms !important;}
  .btn-x:hover,.clip-card:hover,.news-item:hover,.review-card:hover,.pick-item:hover{transform:none;}
}

/* roulang page: article */
:root{
  --ink-900:#050D14;
  --ink-800:#0A1A26;
  --ink-700:#10293A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(31,224,160,.35);
  --brand-500:#1FE0A0;
  --brand-600:#0FA37F;
  --accent-500:#FF6B35;
  --hi-400:#FFD166;
  --text-100:#EAF4F8;
  --text-300:#A9BEC9;
  --text-500:#6E8794;
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-hover:0 26px 54px rgba(0,0,0,.55);
  --glow-brand:0 0 0 1px rgba(31,224,160,.5),0 12px 30px -8px rgba(31,224,160,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --gutter:24px;
  --sec:96px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding-top:72px;
  background-color:var(--ink-900);
  background-image:
    radial-gradient(1100px 520px at 88% -8%,rgba(31,224,160,.10),transparent 62%),
    radial-gradient(760px 420px at 4% 18%,rgba(255,107,53,.08),transparent 60%);
  color:var(--text-300);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease),transform .24s var(--ease)}
a:hover{color:var(--brand-500)}
h1,h2,h3,h4{margin:0;color:var(--text-100);font-weight:700;line-height:1.25;letter-spacing:-.4px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;box-shadow:0 0 0 4px rgba(31,224,160,.22);border-radius:6px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter)}
.num{font-family:"Barlow Semi Condensed",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;height:72px;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,13,20,.82);
  border-bottom-color:var(--line);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.nav-wrap{
  height:72px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;
}
.nav-side{display:flex;align-items:center;gap:26px}
.nav-side--left{justify-content:flex-start}
.nav-side--right{justify-content:flex-end;gap:18px}
.nav-link{
  position:relative;font-size:15px;letter-spacing:.01em;color:var(--text-300);
  padding:6px 2px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--brand-500)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text-100)}
.nav-link--ghost{color:var(--text-500)}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;padding:6px 4px}
.brand-mark{
  position:relative;width:22px;height:22px;border-radius:7px;flex:0 0 22px;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-600));
  box-shadow:var(--glow-brand);
}
.brand-mark::after{content:"";position:absolute;inset:6px;background:var(--ink-900);border-radius:3px;transform:rotate(45deg)}
.brand-text{font-size:17px;font-weight:700;color:var(--text-100);letter-spacing:-.2px;white-space:nowrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:500;line-height:1;cursor:pointer;white-space:nowrap;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn:hover{transform:translateY(-4px)}
.btn:active{transform:translateY(-1px)}
.btn-glow{
  background:linear-gradient(135deg,var(--accent-500),#FF8A5C);
  color:#1B0A03;font-weight:700;
  box-shadow:0 12px 30px -8px rgba(255,107,53,.55);
}
.btn-glow:hover{color:#1B0A03;filter:brightness(1.08);box-shadow:0 18px 38px -10px rgba(255,107,53,.7)}
.btn-line{
  background:rgba(255,255,255,.03);border-color:var(--line);color:var(--text-100);
  backdrop-filter:blur(8px);
}
.btn-line:hover{border-color:var(--line-strong);color:var(--brand-500)}
.btn-brand{
  background:linear-gradient(135deg,var(--brand-500),var(--brand-600));color:#04231A;font-weight:700;
  box-shadow:var(--glow-brand);
}
.btn-brand:hover{color:#04231A;filter:brightness(1.06)}
.btn-sm{height:36px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;position:absolute;right:var(--gutter);top:14px;width:44px;height:44px;
  border-radius:12px;border:1px solid var(--line);background:rgba(16,41,58,.7);
  color:var(--text-100);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-100);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-100);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(5,13,20,.65);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);z-index:1050;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;left:0;bottom:0;width:84%;max-width:360px;z-index:1060;
  background:rgba(10,26,38,.97);border-right:1px solid var(--line);
  transform:translateX(-102%);transition:transform .34s var(--ease);
  padding:20px 20px 32px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:4px 4px 16px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--text-100);font-size:22px;line-height:1;
}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px}
.drawer-link{
  font-size:18px;line-height:56px;color:var(--text-300);border-bottom:1px solid var(--line);
  display:flex;align-items:center;min-height:56px;
}
.drawer-link:hover{color:var(--brand-500)}
.drawer-cta{margin-top:24px;width:100%}

/* ---------- 面包屑 ---------- */
.crumbbar{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-500);padding:22px 0 0;
}
.crumbbar a{color:var(--text-500)}
.crumbbar a:hover{color:var(--brand-500)}
.crumb-sep{opacity:.5}
.crumb-current{color:var(--text-300);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.article-hero{
  position:relative;margin-top:18px;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(5,13,20,.62),rgba(5,13,20,.94)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  padding:44px 40px 38px;
}
.article-hero::before{
  content:"";position:absolute;inset:-40% -10% auto -10%;height:340px;
  background:radial-gradient(closest-side,rgba(31,224,160,.18),transparent 70%);
  filter:blur(60px);pointer-events:none;
}
.article-hero::after{
  content:"";position:absolute;right:-12%;bottom:-40%;width:320px;height:280px;
  background:radial-gradient(closest-side,rgba(255,107,53,.16),transparent 70%);
  filter:blur(70px);pointer-events:none;
}
.article-hero > *{position:relative;z-index:2}
.article-hero h1{
  font-size:40px;line-height:1.28;margin:14px 0 16px;max-width:880px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding-top:18px;border-top:1px solid var(--line)}
.badge-x{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.02em;line-height:1;
  border:1px solid rgba(31,224,160,.45);color:var(--brand-500);background:rgba(31,224,160,.08);
}
.badge-hot{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.02em;line-height:1;background:var(--accent-500);color:#1B0A03;font-weight:700;
}
.meta-item{font-size:13px;color:var(--text-500)}
.meta-item strong{color:var(--text-300);font-weight:500}

/* ---------- 版面骨架 ---------- */
.layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;
  padding:40px 0 var(--sec);
}
.main-col{min-width:0}
.cover-fig{margin:0 0 32px;position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:var(--ink-700)}
.cover-fig img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s var(--ease)}
.cover-fig:hover img{transform:scale(1.04)}
.cover-fig figcaption{font-size:13px;color:var(--text-500);padding:12px 16px;background:var(--ink-800);border-top:1px solid var(--line)}

/* ---------- 正文 ---------- */
.article-content{max-width:760px;font-size:16px;line-height:1.85;color:var(--text-300)}
.article-content > * + *{margin-top:20px}
.article-content p{font-size:16px;line-height:1.85;color:var(--text-300)}
.article-content h2{
  position:relative;font-size:28px;line-height:1.35;color:var(--text-100);
  padding-left:16px;margin-top:44px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand-500),var(--brand-600));
}
.article-content h3{font-size:20px;font-weight:500;color:var(--text-100);margin-top:32px}
.article-content a{color:var(--brand-500);border-bottom:1px solid rgba(31,224,160,.4)}
.article-content a:hover{color:var(--text-100)}
.article-content ul,.article-content ol{padding-left:20px;line-height:1.85}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li{margin-top:8px}
.article-content li::marker{color:var(--brand-500)}
.article-content blockquote{
  margin:28px 0;padding:20px 22px;border-radius:var(--r-card);
  background:linear-gradient(160deg,rgba(31,224,160,.06),rgba(255,255,255,.02));
  border:1px solid var(--line);border-left:3px solid var(--brand-500);
  color:var(--text-300);
}
.article-content img{border-radius:16px;margin:8px 0}
.article-content table{width:100%;border-collapse:collapse;font-size:14px;border:1px solid var(--line)}
.article-content th,.article-content td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-content thead th{background:var(--ink-700);color:var(--text-100);font-weight:500}
.article-content code{
  background:var(--ink-700);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--brand-500);
}

/* 空态 */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  gap:12px;min-height:260px;padding:48px 24px;border-radius:var(--r-card);
  border:1px solid var(--line);background:rgba(10,26,38,.72);
}
.empty-state svg{width:48px;height:48px;stroke:var(--brand-500);fill:none;stroke-width:1.4}
.empty-state .empty-title{font-size:18px;color:var(--text-100);font-weight:500}
.empty-state .empty-sub{font-size:13px;color:var(--text-500);max-width:420px}
.empty-state .btn{margin-top:10px}

/* ---------- CTA 卡 ---------- */
.cta-card{
  margin:36px 0 0;padding:24px 28px;border-radius:var(--r-card);
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:linear-gradient(160deg,rgba(31,224,160,.07),rgba(255,255,255,.02));
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.cta-card h3{font-size:18px;font-weight:700;margin-bottom:6px}
.cta-card p{font-size:14px;color:var(--text-500)}

/* ---------- 标签 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;align-items:center}
.tag-row .tag-label{font-size:13px;color:var(--text-500);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--text-300);border:1px solid var(--line);background:rgba(255,255,255,.02);
  transition:all .24s var(--ease);
}
.tag:hover{background:var(--brand-500);color:#04231A;border-color:var(--brand-500);transform:translateY(-2px)}

/* ---------- 相关推荐 ---------- */
.related{margin-top:56px}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px}
.sec-title{position:relative;font-size:22px;padding-left:14px}
.sec-title::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--brand-500)}
.sec-more{font-size:14px;color:var(--text-500)}
.sec-more:hover{color:var(--brand-500)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-card{
  display:block;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  background:rgba(10,26,38,.72);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.related-card .thumb{overflow:hidden;background:var(--ink-700)}
.related-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s var(--ease)}
.related-card:hover .thumb img{transform:scale(1.04)}
.related-card .rc-body{padding:16px}
.related-card h3{font-size:16px;font-weight:500;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--text-100)}
.related-card .rc-time{font-size:13px;color:var(--text-500);margin-top:8px}

.back-row{margin-top:48px}
.back-row .btn{padding:0 24px}

/* ---------- 侧栏 ---------- */
.side-col{position:sticky;top:96px;display:flex;flex-direction:column;gap:16px}
.side-card{
  border-radius:var(--r-card);border:1px solid var(--line);padding:20px;
  background:rgba(10,26,38,.72);box-shadow:var(--shadow-card);
}
.side-title{position:relative;font-size:16px;padding-left:12px;margin-bottom:14px}
.side-title::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;border-radius:2px;background:var(--brand-500)}
.rank-list li + li{border-top:1px solid var(--line)}
.rank-list a{display:flex;gap:12px;align-items:flex-start;padding:12px 0;font-size:14px;line-height:1.6;color:var(--text-300)}
.rank-list .rk{
  font-size:15px;color:var(--brand-500);font-weight:700;flex:0 0 20px;line-height:1.6;
}
.rank-list a:hover{color:var(--brand-500)}
.side-card--cta{background:linear-gradient(160deg,rgba(255,107,53,.12),rgba(255,255,255,.02))}
.side-card--cta p{font-size:13px;color:var(--text-300);margin-bottom:14px;line-height:1.7}

/* ---------- FAQ ---------- */
.faq-sec{margin-top:56px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  border-radius:14px;border:1px solid var(--line);background:rgba(10,26,38,.7);overflow:hidden;
}
.faq-item.is-open{border-color:var(--line-strong)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px;background:transparent;border:0;color:var(--text-100);
  font-size:17px;font-weight:500;text-align:left;cursor:pointer;line-height:1.5;
}
.faq-q .plus{position:relative;flex:0 0 18px;height:18px}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:var(--brand-500);border-radius:2px;transition:transform .26s var(--ease);
}
.faq-q .plus::before{left:0;top:8px;width:18px;height:2px}
.faq-q .plus::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .plus::after{transform:rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease)}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.75;color:var(--text-300);border-left:3px solid var(--brand-500);margin-left:20px;padding-left:14px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-900);border-top:1px solid var(--line);
  padding:72px 0 32px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-note{font-size:14px;color:var(--text-300);max-width:280px}
.footer-title{font-size:14px;color:var(--text-100);font-weight:500;margin-bottom:16px;letter-spacing:.02em}
.footer-links li + li{margin-top:10px}
.footer-links a{font-size:14px;color:var(--text-300);display:inline-block;transition:transform .24s var(--ease),color .24s var(--ease)}
.footer-links a:hover{color:var(--brand-500);transform:translateX(2px)}
.footer-contact{font-size:14px;color:var(--text-300);line-height:2}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--text-500);
}

/* ---------- 移动吸底 ---------- */
.sticky-buy{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1030;height:60px;
  align-items:center;justify-content:space-between;gap:12px;padding:0 16px;
  background:rgba(5,13,20,.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
  transform:translateY(110%);transition:transform .3s var(--ease);
}
.sticky-buy.is-show{transform:translateY(0)}
.sticky-buy .tip{font-size:13px;color:var(--text-300)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .layout{grid-template-columns:minmax(0,1fr);gap:40px;padding-bottom:72px}
  .side-col{position:static;order:2}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .article-hero h1{font-size:34px}
}
@media (max-width:991.98px){
  :root{--gutter:20px;--sec:72px}
  .nav-side{display:none}
  .nav-wrap{grid-template-columns:1fr;justify-items:center}
  .nav-toggle{display:flex}
  .brand{justify-self:center}
  .article-hero{padding:32px 24px 28px}
  .article-hero h1{font-size:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:575.98px){
  :root{--gutter:16px;--sec:56px}
  body{padding-top:60px}
  .site-header,.nav-wrap{height:60px}
  .nav-toggle{top:8px}
  .brand-text{font-size:15px}
  .article-hero{margin-top:14px;padding:26px 18px 24px;border-radius:14px}
  .article-hero h1{font-size:26px;letter-spacing:-.3px}
  .cover-fig img{aspect-ratio:16/10}
  .article-content h2{font-size:22px;margin-top:34px}
  .article-content h3{font-size:18px}
  .related-grid{grid-template-columns:1fr}
  .cta-card{padding:20px;flex-direction:column;align-items:flex-start}
  .cta-card .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .sticky-buy{display:flex}
  .footer-bottom{padding-bottom:56px}
  .rank-list a{padding:11px 0}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .btn:hover,.related-card:hover,.tag:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --ink-900:#050D14;
  --ink-800:#0A1A26;
  --ink-700:#10293A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --brand-500:#1FE0A0;
  --brand-600:#0FA37F;
  --accent-500:#FF6B35;
  --hi-400:#FFD166;
  --text-100:#EAF4F8;
  --text-300:#A9BEC9;
  --text-500:#6E8794;
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-hover:0 26px 52px rgba(0,0,0,.58);
  --glow-brand:0 0 0 1px rgba(31,224,160,.5),0 12px 30px -8px rgba(31,224,160,.45);
  --glow-accent:0 0 0 1px rgba(255,107,53,.5),0 12px 30px -8px rgba(255,107,53,.5);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-num:"Barlow Semi Condensed","DIN Alternate","Roboto Condensed","Segoe UI",Roboto,sans-serif;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-300);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  padding-top:72px;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(/%23n)'/%3E%3C/svg%3E");
}
img{max-width:100%;display:block;border:0;}
a{color:var(--text-300);text-decoration:none;transition:color .24s var(--ease),transform .24s var(--ease);}
a:hover{color:var(--brand-500);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;box-shadow:0 0 0 4px rgba(31,224,160,.22);border-radius:6px;}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
@media (min-width:1400px){
  .container-x{max-width:1280px;}
}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  height:72px;
  background:rgba(5,13,20,0);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,13,20,.82);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.nav-side{display:flex;align-items:center;gap:26px;flex:1 1 0;}
.nav-side--right{justify-content:flex-end;}
.nav-link{
  position:relative;
  font-size:15px;
  letter-spacing:.01em;
  color:var(--text-300);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--brand-500);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .26s var(--ease);
}
.nav-link:hover{color:var(--text-100);}
.nav-link:hover::after,
.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text-100);}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:24px;height:24px;
  border-radius:7px;
  background:linear-gradient(140deg,var(--brand-500),var(--brand-600) 60%,rgba(15,163,127,.25));
  box-shadow:0 0 0 1px rgba(31,224,160,.45),0 6px 18px -6px rgba(31,224,160,.6);
  position:relative;
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:6px;
  border-radius:3px;
  background:var(--ink-900);
  opacity:.65;
}
.brand-text{
  font-size:17px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--text-100);
  white-space:nowrap;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;border-radius:2px;
  background:var(--text-100);
  transition:transform .26s var(--ease),opacity .26s var(--ease);
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 按钮 */
.btn-glow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:500;
  color:#08131A;
  background:linear-gradient(135deg,#FF7F52,var(--accent-500));
  box-shadow:var(--glow-accent);
  transition:transform .24s var(--ease),filter .24s var(--ease),box-shadow .24s var(--ease);
  white-space:nowrap;
}
.btn-glow:hover{
  color:#08131A;
  filter:brightness(1.08);
  transform:translateY(-4px);
  box-shadow:0 0 0 1px rgba(255,107,53,.6),0 18px 36px -10px rgba(255,107,53,.62);
}
.btn-glow:active{transform:translateY(1px);}
.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:var(--r-pill);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:500;
  color:var(--text-100);
  border:1px solid var(--line-strong);
  background:linear-gradient(160deg,rgba(31,224,160,.06),rgba(255,255,255,.02)),rgba(10,26,38,.6);
  transition:transform .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.btn-ghost:hover{
  color:var(--brand-500);
  border-color:rgba(31,224,160,.5);
  transform:translateY(-4px);
}
.btn-ghost:active{transform:translateY(1px);}

/* 移动抽屉 */
.drawer{
  position:fixed;
  top:0;left:0;
  height:100%;
  width:84%;
  max-width:340px;
  background:var(--ink-800);
  border-right:1px solid var(--line);
  z-index:1050;
  transform:translateX(-102%);
  transition:transform .32s var(--ease);
  padding:24px 24px 40px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);
  color:var(--text-100);
  font-size:18px;
  display:flex;align-items:center;justify-content:center;
}
.drawer-nav a{
  display:flex;
  align-items:center;
  min-height:56px;
  font-size:18px;
  color:var(--text-100);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--brand-500);}
.drawer-cta{margin-top:28px;}
.drawer-cta .btn-glow{width:100%;height:48px;}
.scrim{
  position:fixed;inset:0;
  background:rgba(5,13,20,.7);
  z-index:1040;
  opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.scrim.is-open{opacity:1;visibility:visible;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  min-height:260px;
  display:flex;
  align-items:flex-end;
  padding:56px 0 40px;
  background-image:
    linear-gradient(180deg,rgba(5,13,20,.55) 0%,rgba(5,13,20,.92) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-hero::before,
.cat-hero::after{
  content:"";
  position:absolute;
  border-radius:50%;
  filter:blur(80px);
  pointer-events:none;
}
.cat-hero::before{
  width:360px;height:360px;
  background:rgba(31,224,160,.18);
  top:-140px;left:-60px;
}
.cat-hero::after{
  width:300px;height:300px;
  background:rgba(255,107,53,.08);
  bottom:-160px;right:-40px;
}
.crumb{
  font-size:13px;
  color:var(--text-500);
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:16px;
}
.crumb a{color:var(--text-500);}
.crumb a:hover{color:var(--brand-500);}
.crumb .sep{color:var(--text-500);opacity:.6;}
.crumb .current{color:var(--text-300);}
.cat-hero h1{
  font-size:clamp(26px,3.6vw,42px);
  line-height:1.25;
  letter-spacing:-.5px;
  font-weight:700;
  color:var(--text-100);
  max-width:820px;
}
.cat-hero .hero-sub{
  margin-top:14px;
  font-size:16px;
  color:var(--text-300);
  max-width:640px;
}
.anchor-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.anchor-row a{
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  color:var(--text-300);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(31,224,160,.06),rgba(255,255,255,.02)),rgba(10,26,38,.6);
  transition:transform .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.anchor-row a:hover{
  color:var(--brand-500);
  border-color:rgba(31,224,160,.4);
  transform:translateY(-4px);
}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{margin-bottom:40px;}
.section-head h2,
h2.section-title{
  font-size:28px;
  line-height:1.3;
  font-weight:700;
  color:var(--text-100);
  padding-left:16px;
  border-left:4px solid var(--brand-500);
}
.section-head h2{margin-bottom:12px;}
.section-desc{
  font-size:15px;
  color:var(--text-300);
  padding-left:16px;
  max-width:720px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:22px;
  padding:0 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  letter-spacing:.02em;
  color:var(--brand-500);
  border:1px solid rgba(31,224,160,.4);
  background:rgba(31,224,160,.08);
  margin-bottom:14px;
}
.surface{
  background:linear-gradient(160deg,rgba(31,224,160,.06),rgba(255,255,255,.02)),rgba(10,26,38,.72);
  border:1px solid var(--line-strong);
  border-top-color:var(--line-strong);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  position:relative;
  overflow:hidden;
}
.surface::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:rgba(255,255,255,.14);
}

/* ============ 步骤条 ============ */
.steps-track{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  padding:8px 0 48px;
}
.steps-track::before{
  content:"";
  position:absolute;
  left:8%;
  right:8%;
  top:26px;
  height:1px;
  background:var(--line);
}
.step-node{
  position:relative;
  text-align:center;
  padding:0 8px;
}
.step-dot{
  width:36px;height:36px;
  margin:0 auto 16px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-num);
  font-size:15px;
  font-weight:700;
  color:var(--brand-500);
  background:var(--ink-800);
  border:1px solid rgba(31,224,160,.5);
  position:relative;
  z-index:1;
}
.step-node.is-current .step-dot{
  background:linear-gradient(135deg,var(--brand-500),var(--brand-600));
  color:#04140F;
  box-shadow:0 0 0 6px rgba(31,224,160,.12),0 0 24px rgba(31,224,160,.45);
}
.step-node h3{
  font-size:16px;
  font-weight:500;
  color:var(--text-100);
  margin-bottom:6px;
}
.step-node p{
  font-size:13px;
  color:var(--text-500);
  line-height:1.65;
}

.step-block{
  display:grid;
  grid-template-columns:38% 1fr;
  gap:32px;
  align-items:center;
  padding:28px;
  margin-bottom:20px;
}
.step-block:nth-child(even){grid-template-columns:1fr 38%;}
.step-block:nth-child(even) .step-media{order:2;}
.step-media{
  border-radius:16px;
  overflow:hidden;
  background:var(--ink-700);
  aspect-ratio:4/3;
  position:relative;
}
.step-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .6s var(--ease);
}
.step-block:hover .step-media img{transform:scale(1.04);}
.step-num{
  font-family:var(--font-num);
  font-size:28px;
  font-weight:700;
  color:var(--brand-500);
  letter-spacing:.02em;
  line-height:1;
  margin-bottom:10px;
  display:block;
}
.step-body h3{
  font-size:20px;
  font-weight:500;
  color:var(--text-100);
  margin-bottom:10px;
}
.step-body p{
  font-size:15px;
  color:var(--text-300);
  line-height:1.75;
}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  letter-spacing:.02em;
  color:var(--text-300);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.tag--brand{
  color:var(--brand-500);
  border-color:rgba(31,224,160,.4);
  background:rgba(31,224,160,.08);
}
.tag--hot{
  color:#1A0C05;
  background:var(--accent-500);
  border-color:transparent;
  font-weight:500;
}
.tag--hi{
  color:#1A1405;
  background:var(--hi-400);
  border-color:transparent;
  font-weight:500;
}

/* ============ 要点对照表 ============ */
.table-wrap{
  border-radius:var(--r-card);
  border:1px solid var(--line);
  overflow:hidden;
  background:rgba(10,26,38,.6);
}
.table-scroll{overflow-x:auto;}
.spec-table{
  width:100%;
  min-width:640px;
  border-collapse:collapse;
}
.spec-table th{
  background:var(--ink-700);
  color:var(--text-100);
  font-size:14px;
  font-weight:500;
  text-align:left;
  padding:16px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.spec-table td{
  padding:16px;
  font-size:14px;
  color:var(--text-300);
  border-bottom:1px solid var(--line);
  line-height:1.7;
}
.spec-table tr:last-child td{border-bottom:0;}
.spec-table tbody tr:hover{background:rgba(31,224,160,.04);}
.spec-table td strong{color:var(--text-100);font-weight:500;}

/* ============ 排查两栏 ============ */
.check-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:24px;
  align-items:start;
}
.check-list li{
  display:flex;
  gap:16px;
  padding:18px 20px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(10,26,38,.55);
  margin-bottom:12px;
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.check-list li:hover{
  transform:translateY(-4px);
  border-color:rgba(31,224,160,.35);
}
.check-index{
  font-family:var(--font-num);
  font-size:22px;
  font-weight:700;
  color:var(--brand-500);
  line-height:1.1;
  flex:0 0 auto;
  min-width:36px;
}
.check-list h4{
  font-size:16px;
  font-weight:500;
  color:var(--text-100);
  margin-bottom:4px;
}
.check-list p{font-size:14px;color:var(--text-300);}
.side-card{padding:26px;}
.side-card h3{
  font-size:18px;
  font-weight:500;
  color:var(--text-100);
  margin-bottom:14px;
}
.side-card ul li{
  font-size:14px;
  color:var(--text-300);
  padding:9px 0 9px 18px;
  position:relative;
  border-bottom:1px dashed var(--line);
}
.side-card ul li:last-child{border-bottom:0;}
.side-card ul li::before{
  content:"";
  position:absolute;
  left:0;top:18px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand-500);
}
.side-note{
  margin-top:18px;
  font-size:13px;
  color:var(--text-500);
  line-height:1.7;
}

/* ============ FAQ ============ */
.faq-list{max-width:860px;}
.faq-item{
  border:1px solid var(--line);
  border-radius:14px;
  background:rgba(10,26,38,.55);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .24s var(--ease);
}
.faq-item.is-open{border-color:rgba(31,224,160,.4);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px;
  text-align:left;
  font-size:17px;
  font-weight:500;
  color:var(--text-100);
  line-height:1.5;
}
.faq-q:hover{color:var(--brand-500);}
.faq-icon{
  flex:0 0 auto;
  width:22px;height:22px;
  position:relative;
  transition:transform .26s var(--ease);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--brand-500);
  border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .26s var(--ease);
}
.faq-a-inner{
  padding:0 20px 20px 20px;
  font-size:15px;
  line-height:1.75;
  color:var(--text-300);
  border-left:3px solid var(--brand-500);
  margin-left:20px;
  padding-left:16px;
}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  padding:56px 40px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:32px;
  align-items:center;
}
.cta-band::after{
  content:"";
  position:absolute;
  width:320px;height:320px;
  border-radius:50%;
  background:rgba(31,224,160,.16);
  filter:blur(80px);
  right:-90px;top:-140px;
  pointer-events:none;
}
.cta-band h2{
  font-size:26px;
  font-weight:700;
  color:var(--text-100);
  padding-left:16px;
  border-left:4px solid var(--brand-500);
  margin-bottom:12px;
}
.cta-band p{font-size:15px;color:var(--text-300);padding-left:16px;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-900);
  border-top:1px solid var(--line);
  padding:72px 0 0;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-note{
  font-size:14px;
  color:var(--text-300);
  line-height:1.75;
  max-width:280px;
}
.footer-title{
  font-size:15px;
  font-weight:500;
  color:var(--text-100);
  margin-bottom:16px;
}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:var(--text-300);display:inline-block;}
.footer-links a:hover{color:var(--brand-500);transform:translateX(2px);}
.footer-contact{
  font-size:14px;
  color:var(--text-300);
  line-height:2;
}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12px;
  color:var(--text-500);
}

/* ============ 吸底条 ============ */
.stick-bar{
  position:fixed;
  left:0;right:0;bottom:0;
  height:60px;
  display:none;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:0 18px;
  background:rgba(5,13,20,.86);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
  z-index:1020;
  transform:translateY(110%);
  opacity:0;
  transition:transform .3s var(--ease),opacity .3s var(--ease);
}
.stick-bar.is-visible{transform:translateY(0);opacity:1;}
.stick-bar span{font-size:13px;color:var(--text-300);}
.stick-bar .btn-glow{height:38px;padding:0 18px;font-size:14px;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .cta-band{grid-template-columns:1fr;padding:44px 32px;}
}
@media (max-width:991px){
  .nav-side{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{justify-content:space-between;}
  .brand{position:absolute;left:50%;transform:translateX(-50%);}
  .steps-track{grid-template-columns:repeat(2,1fr);row-gap:32px;}
  .steps-track::before{display:none;}
  .step-block,
  .step-block:nth-child(even){
    grid-template-columns:1fr;
    gap:20px;
    padding:22px;
  }
  .step-block:nth-child(even) .step-media{order:0;}
  .check-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{padding-top:60px;}
  .site-header{height:60px;}
  .header-inner{height:60px;}
  .container-x{padding:0 16px;}
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
  h2.section-title,.section-head h2{font-size:22px;padding-left:12px;}
  .section-desc{padding-left:12px;font-size:14px;}
  .cat-hero{padding:40px 0 32px;}
  .cat-hero .hero-sub{font-size:15px;}
  .step-body h3{font-size:18px;}
  .faq-q{font-size:16px;padding:16px;}
  .faq-a-inner{margin-left:16px;padding-left:14px;font-size:14px;}
  .cta-band{padding:32px 20px;}
  .cta-band h2{font-size:20px;padding-left:12px;}
  .cta-band p{padding-left:12px;font-size:14px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-glow,
  .cta-actions .btn-ghost{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .site-footer{padding-top:48px;}
  .footer-bottom{font-size:12px;}
  .stick-bar{display:flex;}
  .step-num{font-size:24px;}
}
@media (max-width:520px){
  .steps-track{grid-template-columns:1fr;}
  .step-node{text-align:left;display:flex;gap:14px;}
  .step-dot{margin:0;}
  .step-node p{font-size:13px;}
  .check-list li{padding:16px;}
  .side-card{padding:20px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .btn-glow:hover,.btn-ghost:hover,.anchor-row a:hover,.check-list li:hover,
  .step-block:hover .step-media img{transform:none;}
}

/* roulang page: category2 */
:root{
  --ink-900:#050D14;
  --ink-800:#0A1A26;
  --ink-700:#10293A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --brand-500:#1FE0A0;
  --brand-600:#0FA37F;
  --accent-500:#FF6B35;
  --hi-400:#FFD166;
  --text-100:#EAF4F8;
  --text-300:#A9BEC9;
  --text-500:#6E8794;
  --r-card:18px;
  --r-video:24px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-hover:0 26px 56px rgba(0,0,0,.6);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  color:var(--text-300);
  background-color:var(--ink-900);
  background-image:
    radial-gradient(circle at 12% 0%, rgba(31,224,160,.10), transparent 42%),
    radial-gradient(circle at 88% 12%, rgba(255,107,53,.07), transparent 40%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease),transform .24s var(--ease);}
a:hover{color:var(--brand-500);}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--text-100);line-height:1.25;margin:0;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;box-shadow:0 0 0 4px rgba(31,224,160,.22);border-radius:6px;}

.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  height:72px;
  display:flex;align-items:center;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,13,20,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--line);
}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  width:100%;
}
.brand{display:flex;align-items:center;gap:10px;justify-self:center;}
.brand-mark{
  width:24px;height:24px;flex:0 0 24px;border-radius:8px;
  background:conic-gradient(from 210deg,var(--brand-500),var(--brand-600) 55%,var(--accent-500));
  box-shadow:0 0 0 1px rgba(31,224,160,.45),0 8px 18px -8px rgba(31,224,160,.7);
  transform:rotate(12deg);
}
.brand-text{
  font-size:18px;font-weight:700;letter-spacing:.01em;color:var(--text-100);white-space:nowrap;
}
.nav-side{display:flex;align-items:center;gap:26px;}
.nav-side--left{justify-self:start;}
.nav-side--right{justify-self:end;gap:20px;}
.nav-link{
  position:relative;
  font-size:15px;letter-spacing:.01em;color:var(--text-300);
  padding:6px 2px;line-height:1.4;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--brand-500);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text-100);font-weight:500;}
.nav-link.is-active::after{transform:scaleX(1);}
.btn-mini{
  display:inline-flex;align-items:center;gap:8px;
  height:36px;padding:0 18px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:#04140F;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-600));
  box-shadow:0 0 0 1px rgba(31,224,160,.5),0 12px 30px -8px rgba(31,224,160,.45);
  transition:all .24s var(--ease);border:0;
}
.btn-mini:hover{color:#04140F;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(31,224,160,.7),0 16px 36px -8px rgba(31,224,160,.6);}
.btn-mini:active{transform:translateY(1px);}

.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line-strong);
  border-radius:12px;background:rgba(16,41,58,.6);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;justify-self:start;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-100);transition:transform .24s var(--ease),opacity .24s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.drawer{
  position:fixed;top:0;left:0;bottom:0;width:84%;max-width:360px;z-index:1040;
  background:rgba(10,26,38,.97);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-right:1px solid var(--line);
  transform:translateX(-100%);
  transition:transform .32s var(--ease);
  padding:24px 20px 40px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-brand{display:flex;align-items:center;gap:10px;margin-bottom:24px;}
.drawer-title{font-size:12px;letter-spacing:.08em;color:var(--text-500);margin:18px 0 8px;}
.drawer-link{
  display:flex;align-items:center;min-height:56px;font-size:18px;color:var(--text-100);
  border-bottom:1px solid var(--line);
}
.drawer-link.is-active{color:var(--brand-500);}
.drawer-cta{margin-top:26px;width:100%;height:48px;justify-content:center;display:flex;align-items:center;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(5,13,20,.68);z-index:1035;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;
  margin-top:72px;
  min-height:260px;
  display:flex;align-items:flex-end;
  padding:56px 0 34px;
  background-image:
    linear-gradient(180deg, rgba(5,13,20,.62) 0%, rgba(5,13,20,.94) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle, rgba(31,224,160,.18), transparent 68%);
  filter:blur(80px);pointer-events:none;
}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-500);margin-bottom:14px;
}
.crumb a{color:var(--text-500);}
.crumb a:hover{color:var(--brand-500);}
.crumb i{font-size:10px;opacity:.6;}
.crumb .current{color:var(--text-300);}
.cat-hero h1{
  font-size:44px;letter-spacing:-.5px;margin:0 0 14px;max-width:820px;
}
.cat-hero h1 .hl{color:var(--brand-500);}
.cat-hero .hero-desc{
  max-width:680px;font-size:16px;color:var(--text-300);line-height:1.75;
}
.anchor-row{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;
}
.anchor-pill{
  display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 16px;border-radius:var(--r-pill);
  font-size:13px;color:var(--text-300);
  background:rgba(16,41,58,.72);
  border:1px solid var(--line-strong);
  transition:all .24s var(--ease);
}
.anchor-pill i{color:var(--brand-500);font-size:12px;}
.anchor-pill:hover{color:var(--text-100);border-color:rgba(31,224,160,.45);transform:translateY(-2px);}

/* ---------- sections ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;flex-wrap:wrap;
}
h2.sec-title{
  font-size:28px;padding-left:12px;border-left:4px solid var(--brand-500);
}
.sec-sub{font-size:14px;color:var(--text-500);margin-top:10px;padding-left:16px;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--brand-500);
}
.text-link:hover{color:var(--text-100);}

/* ---------- filter ---------- */
.filter-bar{
  display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px;
}
.filter-chip{
  height:40px;padding:0 20px;border-radius:var(--r-pill);
  font-size:14px;color:var(--text-300);
  background:rgba(10,26,38,.6);
  border:1px solid var(--line-strong);
  cursor:pointer;transition:all .24s var(--ease);
}
.filter-chip:hover{color:var(--text-100);border-color:rgba(31,224,160,.45);transform:translateY(-2px);}
.filter-chip.is-on{
  background:var(--brand-500);color:#04140F;font-weight:500;border-color:var(--brand-500);
  box-shadow:0 0 0 1px rgba(31,224,160,.5),0 12px 30px -12px rgba(31,224,160,.6);
}

/* ---------- card grid ---------- */
.card-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
}
.play-card{
  display:grid;grid-template-columns:40% 1fr;
  background:linear-gradient(160deg, rgba(31,224,160,.06), rgba(255,255,255,.02)), rgba(10,26,38,.72);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:0 1px 0 rgba(255,255,255,.10) inset,var(--shadow);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
  min-height:172px;
}
.play-card:hover{transform:translateY(-4px);border-color:rgba(31,224,160,.35);box-shadow:0 1px 0 rgba(255,255,255,.14) inset,var(--shadow-hover);}
.play-card.is-hidden{display:none;}
.play-card .thumb{
  position:relative;overflow:hidden;background:var(--ink-700);
}
.play-card .thumb img{
  width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);
}
.play-card:hover .thumb img{transform:scale(1.04);}
.play-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg, rgba(5,13,20,.15), rgba(5,13,20,.55));
}
.play-card .body{padding:18px 20px;display:flex;flex-direction:column;gap:8px;}
.play-card h3{font-size:17px;font-weight:500;line-height:1.4;}
.play-card .ex{
  font-size:14px;color:var(--text-300);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.play-card .meta{
  margin-top:auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--text-500);
}
.badge-tag{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.02em;
  color:var(--brand-500);border:1px solid rgba(31,224,160,.42);
  background:rgba(31,224,160,.08);
}
.badge-hot{
  display:inline-flex;align-items:center;gap:5px;height:22px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.02em;color:#2A0B00;background:var(--accent-500);font-weight:500;
}
.num{font-family:"Barlow Semi Condensed",ui-monospace,monospace;letter-spacing:.02em;}

/* ---------- board (rank + stat) ---------- */
.board-wrap{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:24px;
}
.glass{
  position:relative;
  background:linear-gradient(160deg, rgba(31,224,160,.06), rgba(255,255,255,.02)), rgba(10,26,38,.72);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-card);
  box-shadow:0 1px 0 rgba(255,255,255,.14) inset,var(--shadow);
  padding:24px;
  overflow:hidden;
}
.glass::before{
  content:"";position:absolute;top:-80px;right:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle, rgba(31,224,160,.18), transparent 70%);
  filter:blur(80px);pointer-events:none;
}
.glass.alt::before{
  left:-80px;right:auto;
  background:radial-gradient(circle, rgba(255,107,53,.12), transparent 70%);
}
.rank-list{position:relative;z-index:1;}
.rank-item{
  display:grid;grid-template-columns:34px 1fr auto;align-items:center;gap:14px;
  padding:14px 0;border-bottom:1px dashed var(--line);
}
.rank-item:last-child{border-bottom:0;padding-bottom:0;}
.rank-no{
  font-family:"Barlow Semi Condensed",monospace;font-size:22px;font-weight:700;color:var(--brand-500);
}
.rank-item .r-title{font-size:15px;color:var(--text-100);font-weight:500;}
.rank-item .r-desc{font-size:13px;color:var(--text-500);margin-top:2px;}
.rank-heat{font-size:13px;color:var(--hi-400);display:flex;align-items:center;gap:6px;}

.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;position:relative;z-index:1;}
.stat-box{
  background:rgba(16,41,58,.66);border:1px solid var(--line);border-radius:14px;padding:18px;
}
.stat-box .v{font-family:"Barlow Semi Condensed",monospace;font-size:30px;font-weight:700;color:var(--text-100);line-height:1.1;}
.stat-box .v span{font-size:14px;color:var(--brand-500);margin-left:4px;}
.stat-box .k{font-size:13px;color:var(--text-500);margin-top:6px;}
.board-note{font-size:13px;color:var(--text-500);margin-top:18px;position:relative;z-index:1;}

/* ---------- voice ---------- */
.voice-band{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:40px 0;
}
.voice-scroll{
  display:flex;gap:16px;overflow-x:auto;padding:4px 0 12px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.voice-scroll::-webkit-scrollbar{height:6px;}
.voice-scroll::-webkit-scrollbar-thumb{background:rgba(31,224,160,.35);border-radius:999px;}
.voice-card{
  flex:0 0 280px;scroll-snap-align:start;
  background:rgba(16,41,58,.62);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.voice-card:hover{transform:translateY(-4px);border-color:rgba(31,224,160,.35);}
.voice-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.avatar{
  width:36px;height:36px;border-radius:50%;flex:0 0 36px;
  border:1px solid var(--brand-500);
  background:linear-gradient(140deg,rgba(31,224,160,.35),rgba(255,107,53,.28));
  display:flex;align-items:center;justify-content:center;
  font-size:14px;color:var(--text-100);font-weight:500;
}
.voice-name{font-size:14px;color:var(--text-100);font-weight:500;}
.voice-sub{font-size:13px;color:var(--text-500);}
.stars{color:var(--hi-400);font-size:12px;margin-bottom:8px;letter-spacing:2px;}
.voice-text{font-size:14px;color:var(--text-300);line-height:1.7;}

/* ---------- faq ---------- */
.faq-list{max-width:820px;}
.faq-item{
  background:rgba(16,41,58,.55);
  border:1px solid var(--line);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .24s var(--ease);
}
.faq-item.is-open{border-color:rgba(31,224,160,.4);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:17px;color:var(--text-100);font-weight:500;
}
.faq-q .plus{
  width:22px;height:22px;flex:0 0 22px;position:relative;transition:transform .26s var(--ease);
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-500);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-q .plus::before{width:14px;height:2px;}
.faq-q .plus::after{width:2px;height:14px;}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .26s var(--ease);
}
.faq-a-inner{
  padding:0 20px 20px 20px;font-size:15px;line-height:1.75;color:var(--text-300);
  border-left:3px solid var(--brand-500);margin-left:20px;padding-left:16px;
}

/* ---------- cta ---------- */
.cta-band{
  position:relative;
  background-image:
    linear-gradient(180deg, rgba(5,13,20,.72) 0%, rgba(5,13,20,.94) 100%),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-inner{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:40px;align-items:center;
}
.cta-inner h2{font-size:28px;padding-left:12px;border-left:4px solid var(--accent-500);margin-bottom:14px;}
.cta-inner p{font-size:15px;color:var(--text-300);max-width:520px;}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:16px;font-weight:700;color:#2A0B00;border:0;
  background:linear-gradient(135deg,#FF8A5B,var(--accent-500));
  box-shadow:0 0 0 1px rgba(255,107,53,.55),0 12px 30px -8px rgba(255,107,53,.6);
  transition:all .24s var(--ease);
}
.btn-accent:hover{color:#2A0B00;filter:brightness(1.08);transform:translateY(-4px);box-shadow:0 0 0 1px rgba(255,107,53,.75),0 18px 40px -10px rgba(255,107,53,.7);}
.btn-accent:active{transform:translateY(1px);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;color:var(--text-100);
  background:rgba(16,41,58,.5);border:1px solid var(--line-strong);
  transition:all .24s var(--ease);
}
.btn-ghost:hover{color:var(--brand-500);border-color:rgba(31,224,160,.5);transform:translateY(-4px);}
.btn-ghost:active{transform:translateY(1px);}

.sub-form{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px;}
.sub-form input{
  flex:1 1 240px;min-height:48px;padding:0 18px;border-radius:var(--r-btn);
  background:rgba(5,13,20,.75);border:1px solid var(--line-strong);
  color:var(--text-100);font-size:15px;transition:all .24s var(--ease);
}
.sub-form input::placeholder{color:var(--text-500);}
.sub-form input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(31,224,160,.18);}
.form-msg{font-size:13px;color:var(--accent-500);margin-top:6px;min-height:18px;}
.form-msg.is-ok{color:var(--brand-500);}

.cta-side-media{
  border-radius:var(--r-video);overflow:hidden;border:1px solid var(--line-strong);
  box-shadow:var(--shadow);position:relative;
}
.cta-side-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.cta-side-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,13,20,.15),rgba(5,13,20,.6));
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink-900);
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-note{font-size:14px;color:var(--text-300);max-width:260px;line-height:1.7;}
.footer-title{font-size:14px;font-weight:500;color:var(--text-100);margin-bottom:14px;letter-spacing:.02em;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:var(--text-300);display:inline-block;}
.footer-links a:hover{color:var(--brand-500);transform:translateX(2px);}
.footer-contact{font-size:14px;color:var(--text-300);line-height:1.9;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:18px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12px;color:var(--text-500);
}

/* ---------- sticky bar ---------- */
.sticky-buy{
  position:fixed;left:0;right:0;bottom:0;z-index:1030;
  height:60px;display:none;align-items:center;justify-content:space-between;gap:14px;
  padding:0 16px;
  background:rgba(5,13,20,.86);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
  opacity:0;transform:translateY(100%);
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.sticky-buy.is-show{opacity:1;transform:translateY(0);}
.sticky-buy .sb-text{font-size:13px;color:var(--text-300);}
.sticky-buy .btn-accent{height:40px;padding:0 20px;font-size:14px;}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .board-wrap{grid-template-columns:1fr;}
}
@media (max-width:991.98px){
  .nav-side{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{grid-template-columns:auto 1fr auto;}
  .brand{justify-self:center;}
  .header-inner::after{content:"";width:44px;}
  .cat-hero h1{font-size:36px;}
  .section{padding:72px 0;}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  .sticky-buy{display:flex;}
  body{padding-bottom:0;}
  .cat-hero{margin-top:60px;padding:44px 0 28px;}
  .cat-hero h1{font-size:32px;}
  .cat-hero .hero-desc{font-size:15px;}
  .site-header{height:60px;}
  h2.sec-title{font-size:22px;}
  .section{padding:56px 0;}
  .container-x{padding:0 16px;}
  .play-card{grid-template-columns:38% 1fr;}
  .play-card .body{padding:16px;}
  .play-card h3{font-size:16px;}
  .glass{padding:18px;}
  .faq-q{font-size:16px;padding:18px;}
  .faq-a-inner{margin-left:0;padding-left:14px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
}
@media (max-width:575.98px){
  .card-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;}
  .sub-form input{flex:1 1 100%;}
  .sub-form .btn-accent{width:100%;}
  .voice-card{flex:0 0 84%;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}