/* roulang page: index */
:root{
  --coral:#FF5A36;
  --coral-dark:#E2431F;
  --cyan:#12D6C0;
  --cyan-soft:rgba(18,214,192,.12);
  --yellow:#FFD166;
  --ink:#1C1A24;
  --body:#4A4658;
  --muted:#8A8699;
  --line:#E8E4EF;
  --dark:#141021;
  --dark-line:rgba(255,255,255,.08);
  --light:#FAF8F6;
  --card:#FFFFFF;
  --r-s:10px;
  --r-m:18px;
  --r-l:22px;
  --r-pill:999px;
  --sh-s:0 1px 2px rgba(20,16,33,.06);
  --sh:0 1px 2px rgba(20,16,33,.06),0 12px 32px rgba(20,16,33,.10);
  --sh-h:0 18px 44px rgba(20,16,33,.16);
  --dur:220ms;
  --ease:cubic-bezier(.2,.7,.3,1);
  --s1:4px;--s2:8px;--s3:12px;--s4:16px;--s5:24px;--s6:32px;--s7:48px;--s8:64px;--s9:96px;
  --mono:ui-monospace,"DIN Alternate","SFMono-Regular",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.85;color:var(--body);background:var(--light);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease);}
img{max-width:100%;display:block;}
button,input{font:inherit;color:inherit;}
button{border:0;background:none;cursor:pointer;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
h1,h2,h3{color:var(--ink);letter-spacing:-.01em;}
h1{font-size:clamp(30px,4.6vw,54px);font-weight:800;line-height:1.18;}
h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.28;}
h3{font-size:18px;font-weight:700;line-height:1.45;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.wide{max-width:1320px;}
.section{padding:var(--s9) 0;}
.section-sm{padding:var(--s7) 0;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--coral);text-transform:uppercase;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--coral);border-radius:2px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:var(--s7);}
.sec-head p{margin-top:10px;color:var(--muted);font-size:15px;max-width:620px;}
.sec-head.dark h2{color:#fff;}
.sec-head.dark p{color:rgba(255,255,255,.66);}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--coral);white-space:nowrap;}
.text-link i{transition:transform var(--dur) var(--ease);}
.text-link:hover{color:var(--coral-dark);}
.text-link:hover i{transform:translateX(4px);}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
  transition:box-shadow var(--dur) var(--ease),padding var(--dur) var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 28px rgba(20,16,33,.10);}
.nav-inner{display:flex;align-items:center;gap:20px;height:76px;transition:height var(--dur) var(--ease);}
.site-header.is-scrolled .nav-inner{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,var(--coral),#FF8A5B);
  display:flex;align-items:center;justify-content:center;position:relative;
  box-shadow:0 6px 18px rgba(255,90,54,.32);
}
.brand-mark span{color:#fff;font-weight:800;font-size:17px;line-height:1;}
.brand-mark::after{
  content:"";position:absolute;right:-3px;bottom:-3px;width:12px;height:12px;border-radius:50%;
  background:var(--cyan);border:2px solid #fff;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:15px;color:var(--ink);font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.brand-text small{font-size:11px;color:var(--muted);letter-spacing:.06em;}
.nav-pills{display:flex;align-items:center;gap:4px;margin:0 auto;background:#F3F1F7;border-radius:var(--r-pill);padding:5px;}
.nav-pills a{padding:9px 18px;border-radius:var(--r-pill);font-size:15px;font-weight:600;color:var(--body);white-space:nowrap;}
.nav-pills a:hover{color:var(--ink);background:rgba(255,255,255,.85);}
.nav-pills a.active{background:var(--coral);color:#fff;box-shadow:0 6px 16px rgba(255,90,54,.28);}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.icon-btn{
  width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:var(--body);border:1px solid var(--line);background:#fff;
}
.icon-btn:hover{color:var(--coral);border-color:rgba(255,90,54,.4);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:700;
  transition:all var(--dur) var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 10px 24px rgba(255,90,54,.30);}
.btn-primary:hover{background:var(--coral-dark);transform:translateY(-1px);color:#fff;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--cyan);border:1.5px solid var(--cyan);}
.btn-ghost:hover{background:var(--cyan-soft);transform:translateY(-1px);color:var(--cyan);}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:#fff;transform:translateY(-1px);color:var(--ink);box-shadow:var(--sh-h);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;color:var(--ink);font-size:17px;
}
/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(20,16,33,.5);opacity:0;visibility:hidden;transition:opacity var(--dur) var(--ease);z-index:130;}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);background:#fff;z-index:140;
  transform:translateX(100%);transition:transform var(--dur) var(--ease);
  display:flex;flex-direction:column;padding:22px 22px calc(22px + env(safe-area-inset-bottom));
}
.drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer-nav{margin-top:18px;display:flex;flex-direction:column;gap:6px;flex:1;}
.drawer-nav a{font-size:18px;font-weight:700;color:var(--ink);padding:14px 12px;border-radius:12px;}
.drawer-nav a:hover{background:#F6F4F8;}
.drawer-nav a.active{background:rgba(255,90,54,.1);color:var(--coral);}
.drawer-foot{padding-top:16px;border-top:1px solid var(--line);}
.drawer-foot .btn{width:100%;}

/* ============ Hero ============ */
.hero{position:relative;background:var(--dark);color:#fff;overflow:hidden;padding:150px 0 96px;}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.30;}
.hero-glow{position:absolute;top:-140px;right:-120px;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,54,.42) 0%,rgba(255,90,54,0) 68%);}
.hero-glow-2{position:absolute;bottom:-200px;left:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,214,192,.26) 0%,rgba(18,214,192,0) 70%);}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center;}
.hero h1{color:#fff;margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--yellow);}
.hero-sub{font-size:17px;color:rgba(255,255,255,.74);max-width:520px;margin-bottom:32px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.hero-stats{display:flex;gap:44px;flex-wrap:wrap;padding-top:26px;border-top:1px solid var(--dark-line);}
.hero-stats .stat b{display:block;font-size:26px;color:#fff;font-weight:800;letter-spacing:.02em;}
.hero-stats .stat span{font-size:13px;color:rgba(255,255,255,.6);}
.hero-visual{position:relative;display:flex;justify-content:center;}
.hero-visual::before{content:"";position:absolute;inset:-8% -6%;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,54,.30) 0%,rgba(255,90,54,0) 66%);}
.screen-card{
  position:relative;width:min(330px,100%);aspect-ratio:9/16;border-radius:var(--r-l);overflow:hidden;
  border:1px solid rgba(255,255,255,.14);background:var(--dark);
  box-shadow:0 30px 70px rgba(0,0,0,.5);
}
.screen-card img{width:100%;height:100%;object-fit:cover;filter:saturate(.95) brightness(.72);}
.screen-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,16,33,.14) 0%,rgba(20,16,33,.78) 100%);}
.play-btn{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.92);
  display:flex;align-items:center;justify-content:center;color:var(--coral);font-size:20px;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
  box-shadow:0 12px 30px rgba(0,0,0,.28);
}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.1);}
.screen-tag{
  position:absolute;left:16px;bottom:56px;font-size:12px;font-weight:700;letter-spacing:.06em;
  background:var(--yellow);color:#3A2B00;padding:4px 10px;border-radius:var(--r-s);
}
.screen-title{position:absolute;left:16px;right:16px;bottom:30px;color:#fff;font-size:14px;font-weight:600;}
.progress{position:absolute;left:0;right:0;bottom:0;height:4px;background:rgba(255,255,255,.22);}
.progress i{display:block;height:100%;width:62%;background:var(--coral);border-radius:0 4px 4px 0;}

/* ============ 片段卡 ============ */
.clip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.clip-card{position:relative;border-radius:var(--r-l);overflow:hidden;background:var(--dark);box-shadow:var(--sh);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);}
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);}
.clip-thumb{position:relative;aspect-ratio:9/16;overflow:hidden;}
.clip-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease);}
.clip-card:hover .clip-thumb img{transform:scale(1.04);}
.clip-thumb::after{content:"";position:absolute;inset:auto 0 0 0;height:62%;background:linear-gradient(180deg,rgba(20,16,33,0),rgba(20,16,33,.9));}
.duration{position:absolute;top:12px;left:12px;z-index:2;background:var(--yellow);color:#3A2B00;font-size:12px;font-weight:700;padding:3px 8px;border-radius:6px;}
.views{position:absolute;right:12px;bottom:64px;z-index:2;color:#fff;font-size:12px;font-weight:700;}
.clip-caption{position:absolute;left:14px;right:14px;bottom:16px;z-index:2;color:#fff;font-size:14px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.clip-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:2;width:42px;height:42px;border-radius:50%;
  background:rgba(255,255,255,.9);color:var(--coral);display:flex;align-items:center;justify-content:center;font-size:14px;
  transition:transform var(--dur) var(--ease);}
.clip-card:hover .clip-play{transform:translate(-50%,-50%) scale(1.1);}

/* ============ 交错图文 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split + .split{margin-top:80px;}
.split-media{border-radius:var(--r-m);overflow:hidden;box-shadow:var(--sh);aspect-ratio:4/3;}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease);}
.split-media:hover img{transform:scale(1.04);}
.split-body .tagline{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--cyan);
  background:var(--cyan-soft);padding:5px 12px;border-radius:var(--r-pill);margin-bottom:16px;}
.split-body h2{margin-bottom:14px;}
.split-body p{color:var(--body);margin-bottom:22px;}
.check-list{display:flex;flex-direction:column;gap:12px;margin-bottom:24px;}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--body);}
.check-list i{color:var(--coral);margin-top:5px;font-size:14px;}

/* ============ 种草清单 ============ */
.pick-list{border-top:1px dashed var(--line);}
.pick-item{display:grid;grid-template-columns:88px 1fr;gap:24px;align-items:center;
  padding:24px 12px;border-bottom:1px dashed var(--line);transition:background var(--dur) var(--ease);border-radius:12px;}
.pick-item:hover{background:#fff;}
.pick-num{font-family:var(--mono);font-size:32px;font-weight:700;color:var(--yellow);letter-spacing:.02em;}
.pick-main h3{margin-bottom:6px;}
.pick-main p{font-size:14px;color:var(--muted);margin-bottom:10px;}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;}
.pill{font-size:12px;font-weight:600;color:var(--body);background:#F2F0F6;border-radius:var(--r-pill);padding:4px 12px;}
.pill.cyan{background:var(--cyan-soft);color:#0B8C7E;}

/* ============ 资讯 ============ */
.filter-row{display:flex;gap:8px;flex-wrap:wrap;}
.filter-row span{font-size:13px;font-weight:600;color:var(--body);background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding:6px 14px;}
.filter-row span.on{background:var(--coral);border-color:var(--coral);color:#fff;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.news-card{background:#fff;border-radius:var(--r-m);overflow:hidden;box-shadow:var(--sh);display:flex;flex-direction:column;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);}
.news-thumb{display:block;aspect-ratio:3/2;overflow:hidden;background:#EEEBF4;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.badge{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;color:#0B8C7E;background:var(--cyan-soft);
  border-radius:var(--r-pill);padding:4px 12px;margin-bottom:12px;align-self:flex-start;}
.news-body h3{font-size:18px;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body p{font-size:14px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:18px;}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:14px;border-top:1px solid var(--line);}
.news-foot time{font-family:var(--mono);font-size:13px;color:var(--muted);}
.news-foot i{color:var(--coral);transition:transform var(--dur) var(--ease);}
.news-card:hover .news-foot i{transform:translateX(4px);}
.empty-state{grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--r-m);
  padding:56px 24px;text-align:center;box-shadow:var(--sh-s);}
.empty-state i{font-size:30px;color:var(--muted);margin-bottom:14px;display:block;}
.empty-state p{color:var(--muted);margin-bottom:18px;}

/* ============ 口碑 ============ */
.reviews{background:var(--dark);color:#fff;position:relative;overflow:hidden;}
.reviews-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.16;}
.reviews .container{position:relative;z-index:2;}
.reviews-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-bottom:44px;}
.score{display:flex;align-items:baseline;gap:14px;}
.score b{font-family:var(--mono);font-size:56px;font-weight:800;color:#fff;line-height:1;}
.score span{font-size:14px;color:rgba(255,255,255,.66);}
.score .stars{color:var(--yellow);font-size:15px;letter-spacing:2px;display:block;margin-top:6px;}
.review-track{display:flex;gap:20px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;}
.review-track::-webkit-scrollbar{height:6px;}
.review-track::-webkit-scrollbar-thumb{background:rgba(255,255,255,.2);border-radius:6px;}
.review-card{flex:0 0 320px;scroll-snap-align:start;background:rgba(255,255,255,.06);border:1px solid var(--dark-line);
  border-radius:var(--r-m);padding:22px;}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),#0B8C7E);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:15px;flex-shrink:0;}
.review-top b{color:#fff;font-size:14px;font-weight:700;display:block;}
.review-top em{font-style:normal;font-size:12px;color:var(--yellow);letter-spacing:2px;}
.review-card p{color:rgba(255,255,255,.78);font-size:15px;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ============ FAQ ============ */
.faq-wrap{max-width:840px;margin:0 auto;}
.faq-accordion .accordion-item{border:1px solid var(--line);border-radius:var(--r-m);background:#fff;margin-bottom:14px!important;box-shadow:var(--sh-s);overflow:hidden;}
.faq-accordion .accordion-title{display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--ink);background:#fff;border:0;transition:color var(--dur) var(--ease);}
.faq-accordion .accordion-title:hover{color:var(--coral);background:#fff;}
.faq-accordion .accordion-title::before{content:none;}
.faq-accordion .accordion-title::after{
  content:"+";font-family:var(--mono);font-size:20px;color:var(--coral);transition:transform var(--dur) var(--ease);
  margin-left:auto;order:2;line-height:1;
}
.faq-accordion .accordion-item.is-active .accordion-title::after{transform:rotate(45deg);}
.faq-accordion .accordion-content{padding:0 24px;border:0!important;background:#fff;color:var(--body);font-size:15px;line-height:1.85;}
.faq-accordion .accordion-content p{padding-bottom:20px;}

/* ============ CTA ============ */
.cta-duo{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;}
.cta-box{border-radius:var(--r-m);padding:40px;display:flex;flex-direction:column;justify-content:center;gap:16px;box-shadow:var(--sh);}
.cta-box.primary{background:linear-gradient(135deg,var(--coral) 0%,#FF8055 100%);color:#fff;}
.cta-box.primary h2{color:#fff;}
.cta-box.primary p{color:rgba(255,255,255,.88);font-size:15px;}
.cta-box.secondary{background:#fff;border:1px solid var(--line);}
.cta-box.secondary h3{font-size:20px;}
.cta-box.secondary p{color:var(--muted);font-size:15px;}
.cta-box .btn{align-self:flex-start;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:76px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px;}
.footer-brand .brand-text b{color:#fff;}
.footer-brand .brand-text small{color:rgba(255,255,255,.5);}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);}
.footer-col h4{font-size:14px;font-weight:700;color:rgba(255,255,255,.55);margin-bottom:18px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.78);}
.footer-col a:hover{color:var(--cyan);}
.footer-col li span{font-size:14px;color:rgba(255,255,255,.6);}
.footer-bottom{border-top:1px solid var(--dark-line);padding:22px 0 30px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.5);}
.footer-bottom nav{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom nav a{font-size:13px;color:rgba(255,255,255,.55);}
.footer-bottom nav a:hover{color:var(--cyan);}

/* ============ 吸底 ============ */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:110;
  background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-top:1px solid var(--line);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));align-items:center;gap:14px;
}
.mobile-bar p{font-size:12px;color:var(--muted);line-height:1.4;flex:1;}
.mobile-bar p b{display:block;font-size:14px;color:var(--ink);}
.mobile-bar .btn{height:46px;padding:0 20px;font-size:14px;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .clip-grid{grid-template-columns:repeat(3,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .hero-grid{gap:44px;}
}
@media (max-width:991px){
  .nav-pills{display:none;}
  .nav-actions .btn{display:none;}
  .nav-burger{display:flex;}
  .nav-inner{height:64px;}
  .section{padding:64px 0;}
  .hero{padding:120px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:48px;}
  .hero-visual{order:-1;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split.rev .split-media{order:-1;}
  .split + .split{margin-top:56px;}
  .cta-duo{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:36px;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .hero{padding:104px 0 64px;}
  .hero-stats{gap:28px;}
  .hero-stats .stat b{font-size:22px;}
  .clip-grid{display:flex;overflow-x:auto;gap:14px;scroll-snap-type:x mandatory;padding-bottom:12px;
    margin-right:-16px;padding-right:16px;}
  .clip-grid::-webkit-scrollbar{height:5px;}
  .clip-grid::-webkit-scrollbar-thumb{background:var(--line);border-radius:5px;}
  .clip-card{flex:0 0 74vw;scroll-snap-align:start;}
  .news-grid{grid-template-columns:1fr;}
  .screen-card{width:78vw;}
  .pick-item{grid-template-columns:56px 1fr;gap:16px;padding:20px 8px;}
  .pick-num{font-size:26px;}
  .cta-box{padding:28px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .site-footer{padding-top:56px;padding-bottom:74px;}
  .mobile-bar{display:flex;}
  .review-card{flex:0 0 260px;}
}
@media (max-width:520px){
  h1{font-size:28px;}
  .brand-text b{font-size:13px;white-space:normal;}
  .brand-text small{display:none;}
  .hero-cta .btn{width:100%;}
  .hero-stats{justify-content:space-between;gap:16px;}
}

/* roulang page: article */
:root{
  --coral:#FF5A36;
  --coral-deep:#E94A27;
  --cyan:#12D6C0;
  --cyan-deep:#0BB9A6;
  --yellow:#FFD166;
  --dark:#141021;
  --light:#FAF8F6;
  --card:#FFFFFF;
  --ink:#1C1A24;
  --text:#4A4658;
  --muted:#8A8699;
  --line:#E8E4EF;
  --line-dark:rgba(255,255,255,.08);
  --r-card:18px;
  --r-clip:22px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,16,33,.06), 0 12px 32px rgba(20,16,33,.10);
  --sh-2:0 18px 44px rgba(20,16,33,.16);
  --s-1:4px; --s-2:8px; --s-3:12px; --s-4:16px; --s-5:24px; --s-6:32px; --s-7:48px; --s-8:64px; --s-9:96px;
  --t:220ms;
  --ease:ease-out;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,"SFMono-Regular","DIN Alternate",Menlo,Consolas,monospace;
}
*,*::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(--text);
  background:var(--light);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
h1,h2,h3,h4,p{margin:0;}
a{color:inherit;text-decoration:none;transition:color var(--t) var(--ease),background-color var(--t) var(--ease),border-color var(--t) var(--ease);}
button{font:inherit;color:inherit;cursor:pointer;}
a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.container.wide{max-width:1320px;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(250,248,246,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t) var(--ease);
}
.site-header.scrolled{box-shadow:0 10px 30px rgba(20,16,33,.08);}
.nav-inner{display:flex;align-items:center;gap:24px;height:76px;transition:height var(--t) var(--ease);}
.site-header.scrolled .nav-inner{height:60px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  background:linear-gradient(135deg,var(--coral),#FF8A5C);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:19px;
  box-shadow:0 10px 22px rgba(255,90,54,.30);
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.16;}
.brand-text b{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.01em;}
.brand-text small{font-size:12px;color:var(--muted);}
.nav-pills{flex:1 1 auto;display:flex;justify-content:center;gap:6px;list-style:none;padding:0;margin:0;}
.nav-pills a{
  padding:9px 18px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--text);white-space:nowrap;
}
.nav-pills a:hover{background:#fff;color:var(--coral);}
.nav-pills a.active{background:var(--coral);color:#fff;box-shadow:0 8px 20px rgba(255,90,54,.28);}
.nav-actions{flex:0 0 auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);background:#fff;color:var(--text);font-size:15px;
}
.icon-btn:hover{color:var(--coral);border-color:rgba(255,90,54,.4);}
.nav-burger{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;color:var(--ink);}
.nav-scrim{
  position:fixed;inset:0;background:rgba(20,16,33,.45);
  opacity:0;visibility:hidden;transition:opacity var(--t) var(--ease);z-index:75;
}
body.nav-open .nav-scrim{opacity:1;visibility:visible;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:16px;font-weight:700;border:1.5px solid transparent;
  transition:transform var(--t) var(--ease),background-color var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 10px 24px rgba(255,90,54,.28);}
.btn-primary:hover{background:var(--coral-deep);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--cyan-deep);border-color:var(--cyan);}
.btn-ghost:hover{background:rgba(18,214,192,.10);color:var(--cyan-deep);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.28);}
.btn-light:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.link-more{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-weight:700;font-size:15px;}
.link-more i{transition:transform var(--t) var(--ease);}
.link-more:hover i{transform:translateX(4px);}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;overflow:hidden;background:var(--dark);color:#fff;
  padding:52px 0 68px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.20;
}
.article-hero::after{
  content:"";position:absolute;right:-140px;top:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,54,.34),transparent 68%);
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .now{color:rgba(255,255,255,.9);}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;margin-top:20px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(18,214,192,.16);color:var(--cyan);
  font-size:12px;font-weight:700;letter-spacing:.06em;
}
.article-title{
  margin-top:16px;max-width:920px;
  font-size:clamp(26px,3.9vw,44px);font-weight:800;line-height:1.24;color:#fff;
}
.meta-row{
  display:flex;flex-wrap:wrap;gap:22px;margin-top:24px;
  font-size:14px;color:rgba(255,255,255,.72);
}
.meta-row span{display:inline-flex;align-items:center;gap:8px;}
.meta-row i{color:var(--yellow);font-size:13px;}
.meta-row .mono{color:var(--yellow);}

/* ---------- 正文布局 ---------- */
.article-shell{padding:56px 0 88px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 322px;gap:48px;align-items:start;}
.article-content{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:44px 46px;max-width:840px;
  font-size:17px;line-height:1.95;color:var(--text);
}
.article-content > *:first-child{margin-top:0;}
.article-content p{margin:0 0 1.4em;}
.article-content h1,.article-content h2,.article-content h3,.article-content h4{color:var(--ink);line-height:1.4;}
.article-content h2{
  position:relative;margin:2em 0 .9em;padding-left:14px;
  font-size:clamp(21px,2.4vw,26px);font-weight:800;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;background:var(--coral);
}
.article-content h3{font-size:19px;font-weight:700;margin:1.6em 0 .6em;}
.article-content h4{font-size:17px;font-weight:700;margin:1.4em 0 .5em;}
.article-content ul,.article-content ol{margin:0 0 1.4em;padding-left:1.35em;}
.article-content ul{list-style:disc;}
.article-content ol{list-style:decimal;}
.article-content li{margin-bottom:.5em;line-height:1.85;}
.article-content strong{color:var(--ink);font-weight:700;}
.article-content a{color:var(--coral);text-decoration:underline;text-underline-offset:3px;}
.article-content a:hover{color:var(--coral-deep);}
.article-content blockquote{
  margin:1.6em 0;padding:18px 24px;border-left:3px solid var(--cyan);
  background:#F4FBF9;border-radius:0 12px 12px 0;color:var(--ink);font-size:16px;line-height:1.9;
}
.article-content img{border-radius:14px;margin:1.6em auto;}
.article-content figure{margin:1.6em 0;}
.article-content figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-content table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;}
.article-content th,.article-content td{border:1px solid var(--line);padding:12px 14px;text-align:left;}
.article-content th{background:var(--light);color:var(--ink);font-weight:700;}
.article-content hr{border:0;border-top:1px dashed var(--line);margin:2em 0;}

.not-found{text-align:center;padding:52px 20px;}
.not-found i{font-size:44px;color:var(--muted);}
.not-found h2{margin:20px 0 10px;font-size:22px;font-weight:800;color:var(--ink);}
.not-found h2::before{display:none;}
.not-found p{color:var(--muted);font-size:15px;margin-bottom:24px;}

.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:38px;padding-top:28px;border-top:1px dashed var(--line);
}
.tag-row .tag-title{font-size:13px;color:var(--muted);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;padding:7px 16px;border-radius:var(--r-pill);
  background:var(--light);border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--text);
}
.tag:hover{border-color:var(--cyan);color:var(--cyan-deep);background:rgba(18,214,192,.08);}

/* ---------- 侧栏 ---------- */
.side-sticky{position:sticky;top:96px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:24px;margin-bottom:20px;
}
.side-card h3{
  display:flex;align-items:center;gap:8px;margin:0 0 16px;font-size:16px;font-weight:800;color:var(--ink);
}
.side-card h3 i{color:var(--coral);font-size:14px;}
.hot-list{list-style:none;margin:0;padding:0;}
.hot-list li{border-bottom:1px dashed var(--line);}
.hot-list li:last-child{border-bottom:0;}
.hot-list a{display:flex;gap:12px;padding:12px 0;font-size:14px;line-height:1.6;color:var(--text);}
.hot-list a:hover{color:var(--coral);}
.hot-list .num{font-family:var(--mono);font-weight:800;color:var(--coral);min-width:22px;}
.side-cta{background:var(--dark);border:1px solid var(--line-dark);color:#fff;}
.side-cta h3{color:#fff;}
.side-cta h3 i{color:var(--yellow);}
.side-cta p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin-bottom:18px;}
.side-cta .btn{width:100%;}

/* ---------- 相关推荐 ---------- */
.section{padding:88px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--coral);text-transform:uppercase;}
.section-head h2{margin-top:10px;font-size:clamp(24px,3vw,34px);font-weight:800;color:var(--ink);line-height:1.25;}
.section-head .sub{font-size:15px;color:var(--muted);margin-top:10px;max-width:620px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.info-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.info-card .thumb{aspect-ratio:3/2;overflow:hidden;background:var(--light);}
.info-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 350ms var(--ease);}
.info-card:hover .thumb img{transform:scale(1.04);}
.info-card .body{display:flex;flex-direction:column;gap:10px;padding:22px;flex:1;}
.chip{
  display:inline-flex;align-self:flex-start;padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(18,214,192,.12);color:var(--cyan-deep);
  font-size:12px;font-weight:700;letter-spacing:.06em;
}
.info-card h3{font-size:18px;font-weight:700;line-height:1.5;color:var(--ink);}
.info-card p{font-size:14px;line-height:1.8;color:var(--muted);}
.card-foot{
  margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);font-family:var(--mono);
}
.card-foot i{color:var(--coral);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;transition:box-shadow var(--t) var(--ease);}
.faq-item.open{box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:52px;padding:16px 22px;border:0;background:none;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);
}
.faq-q i{color:var(--coral);font-size:15px;transition:transform var(--t) var(--ease);}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{display:none;}
.faq-item.open .faq-a{display:block;animation:fadeIn var(--t) var(--ease);}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text);}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--dark);color:#fff;
  border-radius:24px;padding:48px;display:grid;grid-template-columns:1.5fr 1fr;gap:36px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;opacity:.16;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(24px,3vw,32px);font-weight:800;color:#fff;line-height:1.28;}
.cta-band p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.76);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.cta-side{background:rgba(255,255,255,.06);border:1px solid var(--line-dark);border-radius:18px;padding:26px;}
.cta-side h3{font-size:17px;font-weight:800;color:#fff;margin-bottom:10px;}
.cta-side p{font-size:14px;color:rgba(255,255,255,.7);margin:0 0 18px;}
.cta-side .btn{width:100%;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid var(--line-dark);
}
.footer-brand .brand-text b{color:#fff;}
.footer-brand .brand-text small{color:rgba(255,255,255,.55);}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;max-width:340px;color:rgba(255,255,255,.7);}
.footer-col h4{font-size:14px;font-weight:700;color:rgba(255,255,255,.5);letter-spacing:.04em;margin-bottom:16px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.75);}
.footer-col a:hover{color:var(--cyan);}
.footer-col span{font-size:14px;color:rgba(255,255,255,.6);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0 28px;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom nav{display:flex;gap:18px;}
.footer-bottom a:hover{color:var(--cyan);}

/* ---------- 移动吸底 ---------- */
.mobile-cta{display:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:32px;}
  .article-content{padding:38px 34px;}
}
@media (max-width:991px){
  .article-layout{grid-template-columns:1fr;}
  .side-sticky{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{grid-template-columns:1fr;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .nav-inner{height:64px;gap:12px;}
  .site-header.scrolled .nav-inner{height:58px;}
  .brand-mark{width:38px;height:38px;font-size:17px;border-radius:11px;}
  .brand-text b{font-size:14px;}
  .brand-text small{display:none;}
  .nav-burger{display:grid;place-items:center;width:44px;height:44px;font-size:16px;}
  .icon-btn{display:none;}
  .nav-pills{
    position:fixed;top:0;right:0;z-index:80;
    width:80vw;max-width:340px;height:100vh;
    flex:none;flex-direction:column;justify-content:flex-start;gap:8px;
    margin:0;padding:96px 24px 32px;
    background:#fff;box-shadow:-18px 0 48px rgba(20,16,33,.16);
    transform:translateX(103%);transition:transform 280ms var(--ease);
    overflow-y:auto;
  }
  body.nav-open .nav-pills{transform:none;}
  .nav-pills a{font-size:18px;padding:14px 18px;border-radius:14px;}
  .article-hero{padding:34px 0 46px;}
  .article-shell{padding:32px 0 56px;}
  .article-content{padding:26px 20px;font-size:17px;border-radius:16px;}
  .article-content h2{margin-top:1.7em;}
  .section{padding:64px 0;}
  .section-head{margin-bottom:24px;}
  .card-grid{grid-template-columns:1fr;gap:18px;}
  .cta-band{padding:28px 22px;border-radius:20px;}
  .cta-actions .btn{width:100%;}
  .faq-q{font-size:16px;padding:14px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .mobile-cta{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;
    align-items:center;justify-content:space-between;gap:12px;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:rgba(255,255,255,.97);border-top:1px solid var(--line);
    box-shadow:0 -6px 24px rgba(20,16,33,.08);
  }
  .mobile-cta span{font-size:12px;line-height:1.5;color:var(--muted);}
  .mobile-cta .btn{height:46px;padding:0 20px;font-size:15px;}
  .site-footer{padding-bottom:72px;}
}
@media (max-width:520px){
  .article-title{font-size:24px;}
  .meta-row{gap:14px;font-size:13px;}
  .brand-text b{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
}

/* roulang page: category1 */
:root{
  --coral:#FF5A36;
  --coral-dark:#E8431F;
  --teal:#12D6C0;
  --teal-ink:#0A8C7E;
  --yellow:#FFD166;
  --ink:#141021;
  --paper:#FAF8F6;
  --card:#FFFFFF;
  --t1:#1C1A24;
  --t2:#4A4658;
  --t3:#8A8699;
  --line:#E8E4EF;
  --line-dark:rgba(255,255,255,.10);
  --r-card:18px;
  --r-vert:22px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,16,33,.06),0 12px 32px rgba(20,16,33,.10);
  --sh-2:0 18px 44px rgba(20,16,33,.16);
  --t:220ms ease-out;
  --mono:ui-monospace,"DIN Alternate","SFMono-Regular",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background:var(--paper);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--teal-ink);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--coral)}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:800;line-height:1.28}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container.wide{max-width:1320px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,248,246,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.scrolled{box-shadow:0 10px 28px rgba(20,16,33,.10)}
.nav-inner{display:flex;align-items:center;gap:24px;height:78px;transition:height var(--t)}
.site-header.scrolled .nav-inner{height:58px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex-shrink:0;
  background:linear-gradient(140deg,#FF7A4D,var(--coral));
  color:#fff;display:grid;place-items:center;
  font-weight:800;font-size:20px;
  box-shadow:0 10px 20px rgba(255,90,54,.30);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:15px;font-weight:800;color:var(--t1);white-space:nowrap}
.brand-text small{font-size:11px;color:var(--t3);letter-spacing:.04em;white-space:nowrap}
.nav-pills{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-pills a{
  padding:9px 18px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--t2);
  transition:background var(--t),color var(--t),box-shadow var(--t);
}
.nav-pills a:hover{background:#fff;color:var(--t1)}
.nav-pills a.active{background:var(--coral);color:#fff;box-shadow:0 10px 22px rgba(255,90,54,.28)}
.drawer-cta{display:none}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  background:#fff;border:1px solid var(--line);color:var(--t2);
  transition:color var(--t),border-color var(--t),transform var(--t);
}
.icon-btn:hover{color:var(--coral);border-color:#F6C6B6;transform:translateY(-1px)}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:14px;
  background:var(--ink);color:#fff;border:0;
  place-items:center;font-size:17px;
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,16,33,.45);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
  z-index:65;
}
.drawer-mask.show{opacity:1;visibility:visible}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border:0;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 12px 26px rgba(255,90,54,.30)}
.btn-primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border:1.5px solid var(--teal);color:var(--teal-ink)}
.btn-ghost:hover{background:rgba(18,214,192,.10);color:var(--teal-ink);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--coral);box-shadow:0 12px 26px rgba(20,16,33,.14)}
.btn-light:hover{background:#FFF3EF;color:var(--coral-dark);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-link{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;color:var(--coral);font-size:15px;
}
.btn-link i{transition:transform var(--t)}
.btn-link:hover{color:var(--coral-dark)}
.btn-link:hover i{transform:translateX(4px)}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--ink) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;padding:76px 0 68px;
}
.cat-hero::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(620px 320px at 84% 12%, rgba(255,90,54,.32), transparent 68%),
    radial-gradient(460px 300px at 6% 92%, rgba(18,214,192,.18), transparent 70%),
    linear-gradient(180deg, rgba(20,16,33,.86), rgba(20,16,33,.95));
}
.cat-hero .container{position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:var(--teal)}
.crumb .sep{color:rgba(255,255,255,.30)}
.crumb .current{color:var(--yellow);font-weight:600}
.cat-hero h1{
  color:#fff;font-size:clamp(28px,4.2vw,48px);font-weight:800;
  line-height:1.2;max-width:16em;
}
.hero-lead{
  margin-top:20px;max-width:720px;
  font-size:16px;line-height:1.95;color:rgba(255,255,255,.78);
}
.anchor-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.anchor-pills a{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid var(--line-dark);background:rgba(255,255,255,.05);
  color:rgba(255,255,255,.86);font-size:14px;font-weight:600;
  transition:background var(--t),border-color var(--t),color var(--t);
}
.anchor-pills a:hover{background:rgba(18,214,192,.14);border-color:var(--teal);color:#fff}
.anchor-pills a i{color:var(--teal);font-size:12px}
.hero-stats{display:flex;flex-wrap:wrap;gap:44px;margin-top:38px;padding-top:28px;border-top:1px solid var(--line-dark)}
.hero-stats div{display:flex;flex-direction:column;gap:2px}
.hero-stats b{font-size:26px;font-weight:800;color:var(--yellow);font-family:var(--mono)}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.62);letter-spacing:.02em}

/* ---------- Section ---------- */
.section{padding:92px 0}
.section.tight{padding:68px 0}
.section-head{max-width:780px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--coral);margin-bottom:14px;
}
.eyebrow::before{content:'';width:22px;height:2px;border-radius:2px;background:var(--coral)}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:800}
.section-head p{margin-top:14px;font-size:16px;line-height:1.9;color:var(--t2)}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- Grid ---------- */
.row{display:flex;flex-wrap:wrap;margin:0 -14px;max-width:none}
.row>.column{
  width:100%;float:none;flex:0 0 100%;max-width:100%;
  padding:0 14px;margin-bottom:28px;
}
@media (min-width:768px){
  .row.cols-2>.column{flex:0 0 50%;max-width:50%}
}
@media (min-width:600px){
  .row.cols-3>.column{flex:0 0 50%;max-width:50%}
}
@media (min-width:992px){
  .row.cols-3>.column{flex:0 0 33.3333%;max-width:33.3333%}
}

/* ---------- Cards ---------- */
.card{
  height:100%;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;
  transition:transform var(--t),box-shadow var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.card-media{aspect-ratio:4/3;overflow:hidden;background:#EFECF4}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:19px;font-weight:700}
.card-body p{font-size:15px;line-height:1.85;color:var(--t2)}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.06em;
  background:rgba(18,214,192,.12);color:var(--teal-ink);
}
.badge.warm{background:rgba(255,90,54,.10);color:var(--coral-dark)}
.badge.plain{background:#F3F1F7;color:var(--t2)}

/* ---------- Steps ---------- */
.step-list{border-top:1px dashed var(--line)}
.step{
  display:flex;gap:26px;align-items:flex-start;
  padding:26px 16px;border-bottom:1px dashed var(--line);
  transition:background var(--t);
}
.step:hover{background:#fff;border-radius:14px}
.step-num{
  flex:0 0 auto;font-family:var(--mono);font-size:28px;font-weight:800;
  color:var(--coral);line-height:1.1;min-width:52px;
}
.step h3{font-size:18px;font-weight:700;margin-bottom:6px}
.step p{font-size:15px;line-height:1.85}

/* ---------- Device ---------- */
.device-card{
  height:100%;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:26px 24px;
  box-shadow:0 1px 2px rgba(20,16,33,.04);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.device-card:hover{transform:translateY(-3px);box-shadow:var(--sh-1);border-color:#D9F5F0}
.device-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,90,54,.10);color:var(--coral);font-size:18px;margin-bottom:16px;
}
.device-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.device-card p{font-size:15px;line-height:1.85;color:var(--t2)}
.device-meta{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;padding-top:16px;
  border-top:1px solid var(--line);
  font-family:var(--mono);font-size:12px;color:var(--t3);
}

/* ---------- Dark band ---------- */
.dark-band{
  position:relative;color:#fff;overflow:hidden;
  background:var(--ink) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:88px 0;
}
.dark-band::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,16,33,.90),rgba(20,16,33,.96)),
             radial-gradient(520px 280px at 88% 8%, rgba(18,214,192,.20), transparent 70%);
}
.dark-band .container{position:relative;z-index:1}
.dark-grid{display:grid;grid-template-columns:0.9fr 1.4fr;gap:56px;align-items:start}
.dark-band h2{color:#fff;font-size:clamp(24px,3vw,34px)}
.dark-band .section-head p{color:rgba(255,255,255,.72)}
.dark-band .eyebrow{color:var(--teal)}
.dark-band .eyebrow::before{background:var(--teal)}
.fix-list{display:flex;flex-direction:column;gap:14px}
.fix-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:20px 22px;border-radius:14px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-dark);
  transition:background var(--t),transform var(--t);
}
.fix-item:hover{background:rgba(255,255,255,.09);transform:translateX(4px)}
.fix-item i{color:var(--yellow);font-size:18px;margin-top:4px}
.fix-item h3{color:#fff;font-size:16px;font-weight:700;margin-bottom:6px}
.fix-item p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.8}
.dark-hint{margin-top:26px;font-size:14px;color:rgba(255,255,255,.62)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-accordion.accordion{background:transparent;border:0;margin:0}
.faq-accordion .accordion-item{
  border:1px solid var(--line)!important;border-radius:14px;
  background:#fff;margin-bottom:12px;overflow:hidden;
  box-shadow:0 1px 2px rgba(20,16,33,.04);
  transition:box-shadow var(--t),border-color var(--t);
}
.faq-accordion .accordion-item.is-active{border-color:#FBD3C7!important;box-shadow:var(--sh-1)}
.faq-accordion .accordion-title{
  padding:20px 62px 20px 24px;font-size:17px;font-weight:600;color:var(--t1);
  background:#fff;border:0;line-height:1.6;position:relative;
}
.faq-accordion .accordion-title:hover,
.faq-accordion .accordion-title:focus{background:#FFFBF9;color:var(--coral-dark)}
.faq-accordion .accordion-title::before{
  content:'+';position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:24px;font-weight:400;color:var(--coral);line-height:1;
  transition:transform var(--t);
}
.faq-accordion .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(45deg)}
.faq-accordion .accordion-content{
  padding:0 24px 22px;border:0;background:#fff;
  font-size:15px;line-height:1.9;color:var(--t2);
}
.faq-accordion .accordion-content p{font-size:15px;line-height:1.9;color:var(--t2)}

/* ---------- CTA ---------- */
.cta-duo{display:grid;grid-template-columns:1.45fr 1fr;gap:22px}
.cta-block{
  border-radius:var(--r-card);padding:40px 38px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
  display:flex;flex-direction:column;justify-content:center;gap:16px;
}
.cta-block.primary{
  background:linear-gradient(135deg,#FF7546,#FF4A22);
  border:0;color:#fff;box-shadow:0 20px 44px rgba(255,90,54,.30);
}
.cta-block h2{font-size:clamp(22px,2.5vw,30px);color:var(--t1)}
.cta-block.primary h2{color:#fff}
.cta-block p{font-size:15px;line-height:1.85;color:var(--t2)}
.cta-block.primary p{color:rgba(255,255,255,.86)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand .brand-text b{color:#fff}
.footer-brand .brand-text small{color:rgba(255,255,255,.55)}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);max-width:34em}
.footer-col h4{font-size:14px;color:rgba(255,255,255,.48);font-weight:700;letter-spacing:.06em;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.76)}
.footer-col a:hover{color:var(--teal)}
.footer-col span{font-size:14px;color:rgba(255,255,255,.6)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.52)}
.footer-bottom nav{display:flex;gap:20px}
.footer-bottom nav a{font-size:13px;color:rgba(255,255,255,.66)}
.footer-bottom nav a:hover{color:var(--teal)}

/* ---------- Mobile bar ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  display:none;align-items:center;justify-content:space-between;gap:14px;
  padding:10px 16px;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
}
.mobile-bar span{font-size:13px;color:var(--t2);line-height:1.4}
.mobile-bar span b{display:block;color:var(--t1);font-size:14px}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
  .footer-col:last-child{grid-column:span 3}
}
@media (max-width:991px){
  .nav-inner{height:70px}
  .brand-text small{display:none}
  .nav-pills{
    position:fixed;top:0;right:0;height:100vh;width:min(320px,86vw);
    flex-direction:column;align-items:stretch;gap:8px;
    margin:0;padding:92px 24px 32px;
    background:var(--ink);z-index:70;
    transform:translateX(105%);transition:transform var(--t);
  }
  .nav-pills.open{transform:translateX(0)}
  .nav-pills a{font-size:18px;font-weight:600;padding:14px 16px;color:rgba(255,255,255,.86)}
  .nav-pills a:hover{background:rgba(255,255,255,.08);color:#fff}
  .nav-pills a.active{background:var(--coral);color:#fff}
  .drawer-cta{
    display:inline-flex!important;margin-top:auto;
    justify-content:center;align-items:center;
    background:var(--coral);color:#fff!important;
    border-radius:var(--r-pill);padding:14px 20px!important;font-size:16px!important;
  }
  .nav-burger{display:grid}
  .dark-grid{grid-template-columns:1fr;gap:32px}
  .cta-duo{grid-template-columns:1fr}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section.tight{padding:48px 0}
  .cat-hero{padding:52px 0 48px}
  .hero-stats{gap:26px;margin-top:30px;padding-top:22px}
  .hero-stats b{font-size:22px}
  .section-head{margin-bottom:30px}
  .section-head p{font-size:15px}
  .step{padding:22px 8px;gap:16px}
  .step-num{font-size:22px;min-width:40px}
  .card-body{padding:20px}
  .cta-block{padding:30px 24px}
  .dark-band{padding:60px 0}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-col:last-child{grid-column:auto}
  .site-footer{padding:56px 0 96px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .mobile-bar{display:flex}
  .btn{height:52px}
  .btn-sm{height:40px}
}
@media (max-width:520px){
  .brand-text b{font-size:13px;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .hero-lead{font-size:15px}
  .anchor-pills a{padding:8px 14px;font-size:13px}
  .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --brand:#FF5A36;
  --brand-dark:#E8431F;
  --brand-soft:rgba(255,90,54,.10);
  --teal:#12D6C0;
  --teal-soft:rgba(18,214,192,.12);
  --yellow:#FFD166;
  --dark:#141021;
  --dark-2:#1E1830;
  --light:#FAF8F6;
  --card:#FFFFFF;
  --title:#1C1A24;
  --body:#4A4658;
  --muted:#8A8699;
  --line:#E8E4EF;
  --line-dark:rgba(255,255,255,.10);
  --radius:18px;
  --radius-lg:22px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(20,16,33,.06),0 12px 32px rgba(20,16,33,.10);
  --shadow-lg:0 18px 44px rgba(20,16,33,.16);
  --t:220ms;
  --ease:cubic-bezier(.22,.61,.36,1);
  --sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,"DIN Alternate","SFMono-Regular",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background:var(--light);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--t) var(--ease),opacity var(--t) var(--ease);}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0;color:var(--title);font-weight:800;line-height:1.2;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;border:0;background:none;cursor:pointer;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:6px;}
.row{display:flex;flex-wrap:wrap;max-width:none;margin-left:-12px;margin-right:-12px;}
.row > .columns{padding-left:12px;padding-right:12px;float:none;}

/* ---- 容器 ---- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.container.wide{max-width:1320px;}

/* ---- 通用按钮 ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:16px;font-weight:700;letter-spacing:.01em;
  transition:transform var(--t) var(--ease),background var(--t) var(--ease),box-shadow var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
  white-space:nowrap;
}
.btn i{font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(255,90,54,.28);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 14px 30px rgba(255,90,54,.32);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:transparent;color:var(--teal);border:1.5px solid var(--teal);}
.btn-outline:hover{background:var(--teal-soft);color:var(--teal);transform:translateY(-1px);}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border:1.5px solid var(--line-dark);}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;}
.btn-sm{height:42px;padding:0 20px;font-size:15px;}
.btn-lg{height:52px;padding:0 32px;font-size:17px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--brand);}
.link-more i{transition:transform var(--t) var(--ease);font-size:13px;}
.link-more:hover i{transform:translateX(4px);}

/* ---- 顶部导航 ---- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,248,246,.92);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid transparent;
  transition:height var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease),background var(--t) var(--ease);
}
.site-header.is-scrolled{background:rgba(250,248,246,.97);box-shadow:0 8px 26px rgba(20,16,33,.08);border-bottom-color:var(--line);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px;transition:height var(--t) var(--ease);}
.site-header.is-scrolled .nav-inner{height:56px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand),#FF8A5B);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:18px;
  box-shadow:0 8px 18px rgba(255,90,54,.30);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:16px;color:var(--title);font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.brand-text small{font-size:11px;color:var(--muted);letter-spacing:.06em;font-weight:600;}
.nav-pills{display:flex;align-items:center;gap:6px;padding:5px;border-radius:999px;background:rgba(20,16,33,.045);}
.nav-pills a{
  display:inline-block;padding:9px 18px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--body);white-space:nowrap;
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.nav-pills a:hover{background:rgba(255,255,255,.9);color:var(--brand);}
.nav-pills a.active{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(255,90,54,.26);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:42px;height:42px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--body);background:rgba(20,16,33,.05);
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.icon-btn:hover{background:var(--brand-soft);color:var(--brand);}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;font-size:19px;color:var(--title);background:rgba(20,16,33,.05);
}

/* ---- 移动抽屉 ---- */
.nav-drawer{
  position:fixed;inset:0 0 0 auto;width:min(86vw,360px);
  background:var(--dark);color:#fff;z-index:120;
  transform:translateX(102%);transition:transform 260ms var(--ease);
  display:flex;flex-direction:column;padding:26px 24px 110px;
}
.nav-drawer.is-open{transform:translateX(0);}
.nav-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.nav-drawer .drawer-close{width:44px;height:44px;border-radius:12px;color:#fff;background:rgba(255,255,255,.10);display:inline-flex;align-items:center;justify-content:center;font-size:18px;}
.nav-drawer a.drawer-link{display:block;padding:16px 4px;font-size:18px;font-weight:700;color:rgba(255,255,255,.86);border-bottom:1px solid var(--line-dark);}
.nav-drawer a.drawer-link.is-active{color:var(--brand);}
.drawer-foot{margin-top:auto;position:fixed;bottom:0;left:0;right:0;padding:16px 24px 22px;background:var(--dark);border-top:1px solid var(--line-dark);}
.nav-mask{position:fixed;inset:0;background:rgba(20,16,33,.55);z-index:110;opacity:0;pointer-events:none;transition:opacity 260ms var(--ease);}
.nav-mask.is-open{opacity:1;pointer-events:auto;}

/* ---- Hero ---- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:var(--dark);
  border-radius:0 0 32px 32px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.28;
}
.hero::after{
  content:"";position:absolute;width:640px;height:640px;right:-180px;top:-260px;
  background:radial-gradient(circle,rgba(255,90,54,.42),transparent 68%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:52px 0 72px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:24px;}
.crumbs a{color:rgba(255,255,255,.72);}
.crumbs a:hover{color:var(--brand);}
.crumbs span.sep{opacity:.5;}
.hero-grid{display:flex;flex-wrap:wrap;align-items:center;gap:48px;}
.hero-copy{flex:1 1 480px;min-width:280px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(18,214,192,.14);border:1px solid rgba(18,214,192,.36);
  color:var(--teal);font-size:12.5px;font-weight:700;letter-spacing:.08em;
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(30px,4.2vw,48px);
  line-height:1.18;color:#fff;font-weight:800;letter-spacing:-.02em;
  margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--yellow);}
.hero-lead{font-size:16.5px;line-height:1.95;color:rgba(255,255,255,.76);max-width:640px;margin-bottom:28px;}
.anchor-pills{display:flex;flex-wrap:wrap;gap:10px;}
.anchor-pills a{
  display:inline-flex;align-items:center;gap:7px;
  padding:10px 18px;border-radius:999px;
  background:rgba(255,255,255,.07);border:1px solid var(--line-dark);
  font-size:14px;font-weight:600;color:rgba(255,255,255,.86);
  transition:background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease),transform var(--t) var(--ease);
}
.anchor-pills a:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-2px);}
.hero-visual{flex:0 1 420px;min-width:260px;}
.hero-shot{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-dark);
  box-shadow:0 26px 60px rgba(0,0,0,.42);
}
.hero-shot img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-shot .shot-tag{
  position:absolute;left:16px;bottom:16px;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:rgba(20,16,33,.72);backdrop-filter:blur(6px);
  font-size:12.5px;font-weight:700;color:#fff;
}
.hero-shot .shot-tag i{color:var(--yellow);}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.stat{
  flex:1 1 150px;padding:16px 18px;border-radius:14px;
  background:rgba(255,255,255,.05);border:1px solid var(--line-dark);
}
.stat b{display:block;font-family:var(--mono);font-size:24px;color:#fff;line-height:1.2;letter-spacing:.01em;}
.stat b i{font-style:normal;font-size:14px;color:var(--yellow);margin-left:2px;}
.stat span{font-size:12.5px;color:rgba(255,255,255,.6);letter-spacing:.02em;}

/* ---- 板块通用 ---- */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,3vw,32px);letter-spacing:-.02em;}
.section-head p{margin-top:12px;font-size:15.5px;color:var(--muted);max-width:720px;line-height:1.9;}
.section-kicker{
  display:inline-block;margin-bottom:12px;
  font-size:12.5px;font-weight:800;letter-spacing:.1em;color:var(--brand);
  text-transform:uppercase;
}

/* ---- 玩法模块卡 ---- */
.grid-cards{row-gap:24px;}
.module-card{
  height:100%;background:var(--card);border-radius:var(--radius);
  border:1px solid var(--line);box-shadow:var(--shadow-sm);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.module-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.module-card figure{margin:0;overflow:hidden;}
.module-card figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 420ms var(--ease);}
.module-card:hover figure img{transform:scale(1.04);}
.module-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.module-body h3{font-size:19px;}
.module-body p{font-size:15px;color:var(--body);line-height:1.88;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px;}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  background:var(--teal-soft);color:#0E9C8D;
}
.tag.warn{background:rgba(255,209,102,.24);color:#9A6B00;}
.module-body .link-more{margin-top:auto;}

/* ---- 上手顺序（编号清单） ---- */
.step-list{border-top:1px dashed var(--line);}
.step-item{
  display:flex;align-items:flex-start;gap:22px;
  padding:24px 20px;border-bottom:1px dashed var(--line);
  transition:background var(--t) var(--ease);
}
.step-item:hover{background:#fff;}
.step-num{
  font-family:var(--mono);font-size:22px;font-weight:700;color:var(--dark);
  background:var(--yellow);border-radius:10px;min-width:52px;height:52px;
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.step-text h3{font-size:18px;margin-bottom:6px;}
.step-text p{font-size:15px;color:var(--body);line-height:1.88;max-width:760px;}

/* ---- 深色节奏区 ---- */
.dark-band{
  position:relative;overflow:hidden;color:#fff;
  background:var(--dark);border-radius:32px;
}
.dark-band::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:.22;
}
.dark-band::after{
  content:"";position:absolute;width:520px;height:520px;left:-160px;bottom:-240px;
  background:radial-gradient(circle,rgba(18,214,192,.30),transparent 70%);
}
.dark-inner{position:relative;z-index:2;}
.dark-band h2{color:#fff;font-size:clamp(24px,3vw,32px);}
.dark-band .section-head p{color:rgba(255,255,255,.68);}
.rhythm-card{
  height:100%;padding:24px 22px;border-radius:var(--radius);
  background:rgba(255,255,255,.05);border:1px solid var(--line-dark);
  transition:background var(--t) var(--ease),transform var(--t) var(--ease);
}
.rhythm-card:hover{background:rgba(255,255,255,.09);transform:translateY(-4px);}
.rhythm-card .rhythm-time{
  font-family:var(--mono);font-size:13px;font-weight:700;color:var(--yellow);
  letter-spacing:.08em;margin-bottom:14px;display:block;
}
.rhythm-card h3{color:#fff;font-size:18px;margin-bottom:10px;}
.rhythm-card p{font-size:14.5px;color:rgba(255,255,255,.72);line-height:1.85;}
.rhythm-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.rhythm-card li{font-size:14px;color:rgba(255,255,255,.62);display:flex;gap:8px;align-items:flex-start;}
.rhythm-card li i{color:var(--teal);font-size:12px;margin-top:7px;}

/* ---- FAQ ---- */
.faq-wrap{max-width:920px;margin:0 auto;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.faq-item.is-open{box-shadow:var(--shadow-sm);border-color:rgba(18,214,192,.42);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;font-size:17px;font-weight:700;color:var(--title);text-align:left;line-height:1.6;
}
.faq-q:hover{color:var(--brand);}
.faq-q .faq-icon{
  width:28px;height:28px;flex-shrink:0;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;
  transition:transform var(--t) var(--ease),background var(--t) var(--ease),color var(--t) var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms var(--ease);}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--body);}
.faq-item.is-open .faq-a{max-height:420px;}

/* ---- 底部 CTA ---- */
.cta-block{
  position:relative;overflow:hidden;border-radius:28px;
  background:linear-gradient(135deg,#FF5A36 0%,#FF7A4D 58%,#FF9A63 100%);
  color:#fff;padding:56px 48px;
}
.cta-block::after{
  content:"";position:absolute;width:420px;height:420px;right:-140px;top:-180px;
  background:radial-gradient(circle,rgba(255,255,255,.28),transparent 68%);
}
.cta-grid{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:36px;align-items:center;justify-content:space-between;}
.cta-grid h2{color:#fff;font-size:clamp(23px,2.8vw,30px);margin-bottom:12px;}
.cta-grid p{color:rgba(255,255,255,.88);font-size:15.5px;max-width:620px;line-height:1.9;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-block .btn-primary{background:#141021;box-shadow:0 12px 28px rgba(20,16,33,.30);}
.cta-block .btn-primary:hover{background:#241C3A;}
.cta-block .btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;}
.cta-block .btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;}

/* ---- 页脚 ---- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:68px 0 0;margin-top:88px;}
.footer-grid{display:flex;flex-wrap:wrap;gap:40px;padding-bottom:44px;}
.footer-brand{flex:1 1 340px;min-width:260px;}
.footer-brand .brand-text b{color:#fff;}
.footer-brand .brand-text small{color:rgba(255,255,255,.5);}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.62);max-width:430px;}
.footer-col{flex:1 1 160px;min-width:150px;}
.footer-col h4{font-size:14px;color:rgba(255,255,255,.5);letter-spacing:.08em;font-weight:700;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--teal);}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.5);}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom nav a{font-size:13px;color:rgba(255,255,255,.6);}
.footer-bottom nav a:hover{color:var(--teal);}

/* ---- 移动吸底 ---- */
.mobile-bar{display:none;}

/* ---- 响应式 ---- */
@media (max-width:1199px){
  .section{padding:76px 0;}
  .hero-inner{padding:44px 0 64px;}
}
@media (max-width:991px){
  .nav-pills{display:none;}
  .nav-burger{display:inline-flex;}
  .nav-actions .btn-sm{display:none;}
  .hero-grid{gap:36px;}
  .hero-visual{flex:1 1 100%;}
  .section{padding:64px 0;}
  .cta-block{padding:44px 32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .nav-inner{height:64px;}
  .site-header.is-scrolled .nav-inner{height:56px;}
  .brand-text b{font-size:14.5px;white-space:normal;max-width:190px;line-height:1.2;}
  .brand-text small{font-size:10.5px;}
  .hero{border-radius:0 0 22px 22px;}
  .hero-inner{padding:32px 0 52px;}
  .hero h1{font-size:clamp(26px,7.4vw,34px);}
  .hero-lead{font-size:15.5px;}
  .hero-stats{gap:10px;}
  .stat{flex:1 1 100%;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:28px;}
  .step-item{gap:14px;padding:20px 6px;}
  .step-num{min-width:44px;height:44px;font-size:18px;border-radius:9px;}
  .cta-block{padding:34px 22px;border-radius:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{gap:30px;padding-bottom:32px;}
  .site-footer{padding-top:52px;margin-top:64px;padding-bottom:78px;}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:fixed;left:0;right:0;bottom:0;z-index:90;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
    border-top:1px solid var(--line);
  }
  .mobile-bar span{font-size:13px;font-weight:700;color:var(--title);line-height:1.3;}
  .mobile-bar .btn{height:44px;padding:0 20px;font-size:15px;}
}
@media (max-width:519px){
  .brand-text{display:none;}
  .brand-text b{display:none;}
}