/* roulang page: index */
:root{
  --bg-base:#050A14;
  --bg-elev:#0B1424;
  --bg-deep:#03070F;
  --primary:#17E0C8;
  --primary-2:#4FE0A8;
  --accent:#FF6B4A;
  --text-1:#EAF1FA;
  --text-2:#9FB0C6;
  --text-3:#6B7C93;
  --line:rgba(255,255,255,.09);
  --glass:rgba(255,255,255,.045);
  --ok:#2FD08A;
  --warn:#FFB02E;
  --err:#FF5D5D;
  --r-card:20px;
  --r-glass:24px;
  --r-img:14px;
  --shadow-card:0 20px 44px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(23,224,200,.35), 0 10px 34px rgba(23,224,200,.28);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-2);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.035;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px, transparent 1px);
  background-size:3px 3px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;line-height:1.32;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.section{padding:88px 0;position:relative;z-index:1;}
.section-tight{padding:64px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;}
.sec-head h2{font-size:clamp(24px,2.4vw,30px);font-weight:700;letter-spacing:.2px;}
.sec-head .sec-desc{margin-top:10px;font-size:15px;color:var(--text-3);max-width:640px;}
.text-link{color:var(--primary);font-size:14px;position:relative;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.text-link::after{content:"";position:absolute;left:0;bottom:-4px;height:1px;width:0;background:var(--primary);transition:width .28s ease;}
.text-link:hover::after{width:100%;}
.eyebrow{font-size:13px;color:var(--text-3);letter-spacing:.4px;}

/* 顶部信息条 */
.topbar{background:var(--bg-deep);border-bottom:1px solid var(--line);font-size:14px;color:var(--text-3);}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;flex-wrap:wrap;}
.topbar strong{color:var(--primary-2);font-weight:600;}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(5,10,20,.42);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:background .3s ease,height .3s ease,border-color .3s ease;}
.site-header.is-scrolled{background:rgba(5,10,20,.78);backdrop-filter:blur(16px);border-bottom-color:var(--line);}
.nav{display:flex;align-items:center;gap:20px;height:72px;transition:height .3s ease;}
.site-header.is-scrolled .nav{height:60px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--primary),var(--primary-2));display:grid;place-items:center;box-shadow:0 6px 18px rgba(23,224,200,.28);}
.logo-mark span{width:12px;height:12px;border-radius:4px;background:#04121A;display:block;}
.logo-text{font-size:19px;font-weight:800;color:var(--text-1);letter-spacing:.4px;}
.nav-chips{display:flex;align-items:center;gap:6px;padding:5px;border-radius:999px;background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px);margin-left:8px;}
.chip{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:999px;font-size:14px;color:var(--text-2);border:1px solid transparent;transition:all .25s ease;white-space:nowrap;}
.chip:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.chip.is-active{color:var(--primary);background:var(--glass);border-color:rgba(23,224,200,.28);box-shadow:inset 0 -2px 0 rgba(23,224,200,.75);backdrop-filter:blur(14px);}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.icon-btn{width:40px;height:40px;border-radius:999px;display:grid;place-items:center;border:1px solid var(--line);background:var(--glass);color:var(--text-2);cursor:pointer;transition:all .25s ease;}
.icon-btn:hover{color:var(--primary);border-color:rgba(23,224,200,.45);}
.burger{display:none;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background .22s ease,border-color .22s ease;white-space:nowrap;}
.btn-primary{background:linear-gradient(120deg,var(--accent),var(--primary));color:#04121A;box-shadow:0 10px 26px rgba(255,107,74,.24);}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(23,224,200,.35),0 14px 34px rgba(255,107,74,.32);transform:translateY(-2px);}
.btn-primary:active{box-shadow:inset 0 3px 10px rgba(0,0,0,.35);transform:translateY(0);}
.btn-ghost{background:var(--glass);border-color:var(--line);color:var(--text-1);backdrop-filter:blur(14px);}
.btn-ghost:hover{border-color:rgba(23,224,200,.6);color:var(--primary);transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:80;background:rgba(3,7,15,.86);backdrop-filter:blur(18px);display:none;flex-direction:column;padding:22px;gap:14px;}
.drawer.is-open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer a.drawer-link{padding:15px 18px;border-radius:16px;background:var(--glass);border:1px solid var(--line);color:var(--text-1);font-size:16px;}
.drawer a.drawer-link.is-active{color:var(--primary);border-color:rgba(23,224,200,.45);}

/* Hero */
.hero{position:relative;padding:70px 0 84px;overflow:hidden;background:var(--bg-base);}
.hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.32;filter:saturate(.85);}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,10,20,.78) 0%,rgba(5,10,20,.9) 55%,var(--bg-base) 100%);}
.hero-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,4fr);gap:56px;align-items:center;position:relative;z-index:2;}
.hero h1{font-size:clamp(30px,3.4vw,44px);font-weight:800;line-height:1.25;letter-spacing:.2px;}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{margin-top:16px;font-size:17px;color:var(--text-2);}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap;}
.hero-stats li{background:var(--glass);border:1px solid var(--line);border-radius:16px;padding:12px 18px;min-width:132px;backdrop-filter:blur(14px);}
.hero-stats strong{display:block;color:var(--text-1);font-size:19px;font-weight:800;font-variant-numeric:tabular-nums;}
.hero-stats span{font-size:13px;color:var(--text-3);}
.badge-chip{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:999px;background:var(--glass);border:1px solid var(--line);color:var(--primary);font-size:13px;margin-bottom:20px;backdrop-filter:blur(14px);}
.hero-visual{display:flex;justify-content:center;}
.phone-card{position:relative;width:min(300px,100%);height:520px;border-radius:26px;overflow:hidden;box-shadow:var(--shadow-card);border:1px solid rgba(255,255,255,.1);}
.phone-card img{width:100%;height:100%;object-fit:cover;}
.phone-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,15,.1) 0%,rgba(3,7,15,.28) 45%,rgba(3,7,15,.92) 100%);}
.phone-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:64px;height:64px;border-radius:999px;background:rgba(5,10,20,.55);border:1px solid rgba(23,224,200,.55);display:grid;place-items:center;color:var(--primary);backdrop-filter:blur(10px);}
.phone-play::after{content:"";position:absolute;inset:-6px;border-radius:999px;border:1px solid rgba(23,224,200,.3);animation:breathe 2s ease-in-out infinite;}
@keyframes breathe{0%,100%{opacity:.35;transform:scale(1);}50%{opacity:.9;transform:scale(1.08);}}
.phone-info{position:absolute;left:18px;right:18px;bottom:18px;}
.phone-info h3{font-size:16px;font-weight:700;}
.phone-info p{font-size:13px;color:var(--text-3);margin-top:4px;}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px;}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--glass);border:1px solid var(--line);color:var(--primary);font-size:12.5px;backdrop-filter:blur(10px);}
.tag-hot{background:rgba(255,107,74,.12);border-color:rgba(255,107,74,.4);color:var(--accent);font-variant-numeric:tabular-nums;}

/* 片段卡横滑 */
.clip-wrap{position:relative;}
.clip-track{display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 2px 18px;scrollbar-width:none;}
.clip-track::-webkit-scrollbar{display:none;}
.clip-card{position:relative;flex:0 0 clamp(198px,23vw,300px);aspect-ratio:9/16;border-radius:var(--r-card);overflow:hidden;scroll-snap-align:start;border:1px solid var(--line);box-shadow:var(--shadow-card);transition:transform .3s ease,border-color .3s ease;cursor:pointer;}
.clip-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.clip-card:hover{transform:translateY(-3px);border-color:rgba(23,224,200,.45);}
.clip-card:hover img{transform:scale(1.05);}
.clip-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,15,.02) 35%,rgba(3,7,15,.92) 100%);}
.clip-top{position:absolute;top:14px;left:14px;display:flex;gap:8px;}
.clip-text{position:absolute;left:16px;right:16px;bottom:16px;transition:transform .3s ease;}
.clip-card:hover .clip-text{transform:translateY(-8px);}
.clip-text h3{font-size:15.5px;font-weight:700;line-height:1.45;}
.clip-text p{font-size:13px;color:var(--text-3);margin-top:6px;}
.clip-num{position:absolute;right:16px;bottom:16px;color:var(--accent);font-size:13px;font-variant-numeric:tabular-nums;}
.clip-arrows{display:flex;gap:10px;position:absolute;right:0;top:-62px;}
.arrow-btn{width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:var(--glass);color:var(--text-2);display:grid;place-items:center;cursor:pointer;transition:all .25s ease;backdrop-filter:blur(10px);}
.arrow-btn:hover{color:var(--primary);border-color:rgba(23,224,200,.45);transform:translateY(-2px);}
.dots{display:none;gap:8px;justify-content:center;margin-top:10px;}
.dots i{width:22px;height:4px;border-radius:999px;background:rgba(255,255,255,.16);display:block;}
.dots i.on{background:var(--primary);}

/* 种草清单 */
.pick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.pick-item{display:flex;gap:22px;background:var(--glass);border:1px solid var(--line);border-radius:var(--r-glass);padding:26px 26px 24px;backdrop-filter:blur(14px);box-shadow:0 20px 44px rgba(0,0,0,.28);transition:transform .3s ease,border-color .3s ease,background .3s ease;}
.pick-item:hover{transform:translateY(-3px);border-color:rgba(23,224,200,.4);background:rgba(255,255,255,.06);}
.pick-item.offset{margin-top:44px;}
.pick-num{font-size:46px;font-weight:800;line-height:1;color:rgba(23,224,200,.28);flex:0 0 56px;font-variant-numeric:tabular-nums;}
.pick-body h3{font-size:19px;font-weight:700;}
.pick-body p{font-size:15px;color:var(--text-2);margin-top:8px;}

/* 资讯列表 */
.news-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:24px;}
.news-lead{display:flex;flex-direction:column;border-radius:var(--r-card);overflow:hidden;background:var(--glass);border:1px solid var(--line);transition:transform .3s ease,border-color .3s ease;}
.news-lead:hover{transform:translateY(-3px);border-color:rgba(23,224,200,.4);}
.news-lead .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-elev);}
.news-lead .thumb img{width:100%;height:100%;object-fit:cover;}
.news-lead .body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-lead h3{font-size:21px;line-height:1.45;}
.news-lead p{font-size:15px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.meta-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--text-3);margin-top:auto;font-variant-numeric:tabular-nums;}
.news-side{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;align-content:start;}
.news-card{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;transition:transform .3s ease,border-color .3s ease;}
.news-card:hover{transform:translateY(-3px);border-color:rgba(23,224,200,.4);}
.news-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-elev);}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;}
.news-card .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1;}
.news-card h3{font-size:16px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card p{font-size:13.5px;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:12px;padding:52px 24px;border-radius:var(--r-glass);background:var(--glass);border:1px dashed var(--line);text-align:center;}
.empty-state svg{color:var(--primary);opacity:.7;}
.empty-state p{font-size:14px;color:var(--text-3);}

/* 口碑 */
.marquee{overflow:hidden;border-radius:var(--r-glass);border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(14px);}
.marquee-track{display:flex;gap:16px;padding:18px;width:max-content;animation:slide 42s linear infinite;}
.marquee:hover .marquee-track{animation-play-state:paused;}
@keyframes slide{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.voice{display:flex;align-items:center;gap:12px;padding:12px 18px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);white-space:nowrap;font-size:14px;color:var(--text-2);}
.avatar{width:32px;height:32px;border-radius:999px;background:linear-gradient(135deg,rgba(23,224,200,.55),rgba(79,224,168,.35));display:grid;place-items:center;color:#04121A;font-size:13px;font-weight:700;flex:0 0 32px;}
.stars{color:var(--accent);font-size:13px;letter-spacing:1px;}
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:26px;}
.review-card{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-glass);padding:26px;backdrop-filter:blur(14px);}
.review-card p{font-size:15px;color:var(--text-2);margin-top:14px;}
.review-user{display:flex;align-items:center;gap:12px;}
.review-user strong{color:var(--text-1);font-size:15px;font-weight:700;display:block;}
.review-user span{font-size:12.5px;color:var(--text-3);}

/* CTA 面板 */
.cta-panel{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;padding:44px 46px;border-radius:var(--r-glass);background:linear-gradient(120deg,rgba(23,224,200,.09),rgba(255,107,74,.07));border:1px solid rgba(23,224,200,.28);box-shadow:var(--glow);backdrop-filter:blur(14px);overflow:hidden;}
.cta-panel::after{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;opacity:.14;pointer-events:none;}
.cta-panel > *{position:relative;z-index:1;}
.cta-panel h2{font-size:clamp(22px,2.4vw,28px);}
.cta-panel p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:640px;}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto;}
.faq-item{background:var(--glass);border:1px solid var(--line);border-left:3px solid transparent;border-radius:16px;margin-bottom:12px;overflow:hidden;transition:border-color .25s ease,background .25s ease;}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:18px;font-size:16.5px;font-weight:600;color:var(--text-2);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item .plus{flex:0 0 22px;width:22px;height:22px;position:relative;transition:transform .28s ease;color:var(--accent);}
.faq-item .plus::before,.faq-item .plus::after{content:"";position:absolute;background:currentColor;border-radius:2px;}
.faq-item .plus::before{left:0;top:10px;width:22px;height:2px;}
.faq-item .plus::after{left:10px;top:0;width:2px;height:22px;}
.faq-item[open]{border-left-color:var(--primary);background:rgba(255,255,255,.06);}
.faq-item[open] summary{color:var(--text-1);padding-bottom:8px;}
.faq-item[open] .plus{transform:rotate(45deg);}
.faq-item .answer{padding:0 24px 22px;font-size:15px;color:var(--text-2);}

/* 页脚 */
.site-footer{background:var(--bg-deep);position:relative;z-index:1;margin-top:20px;}
.site-footer::before{content:"";display:block;height:1px;background:linear-gradient(90deg,transparent,rgba(23,224,200,.65),transparent);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:38px;padding:64px 0 40px;}
.footer-grid h4{font-size:15px;color:var(--text-1);margin-bottom:16px;font-weight:700;}
.footer-grid p{font-size:14px;color:var(--text-3);line-height:1.8;}
.footer-list li{margin-bottom:10px;}
.footer-list a{font-size:14px;color:var(--text-2);transition:color .22s ease;}
.footer-list a:hover{color:var(--primary);}
.footer-bottom{border-top:1px solid var(--line);padding:22px 0 34px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3);}
.footer-bottom a{color:var(--text-2);}
.footer-bottom a:hover{color:var(--primary);}

/* 滚动入场 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-in{opacity:1;transform:none;}

@media (max-width:1279px){
  .clip-card{flex:0 0 clamp(190px,26vw,260px);}
}
@media (max-width:1023px){
  .section{padding:66px 0;}
  .hero{padding:52px 0 66px;}
  .hero-grid{grid-template-columns:1fr;gap:38px;}
  .hero-visual{order:2;}
  .phone-card{height:430px;width:min(260px,80%);}
  .pick-grid{grid-template-columns:1fr;}
  .pick-item.offset{margin-top:0;}
  .news-layout{grid-template-columns:1fr;}
  .review-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 32px;}
  .cta-panel{grid-template-columns:1fr;padding:34px 28px;}
  .nav-chips{display:none;}
  .burger{display:grid;}
  .clip-arrows{display:none;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:52px 0;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:15.5px;}
  .hero-stats li{min-width:0;flex:1 1 30%;}
  .phone-card{height:380px;}
  .news-side{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .topbar .container{justify-content:flex-start;}
  .clip-card{flex:0 0 200px;}
  .dots{display:flex;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .site-header .btn-primary{width:auto;padding:0 16px;min-height:40px;font-size:14px;}
  .pick-item{padding:20px;gap:16px;}
  .pick-num{font-size:36px;flex:0 0 42px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --bg-base:#050A14;
  --bg-elev:#0B1424;
  --bg-deep:#03070F;
  --primary:#17E0C8;
  --primary-2:#4FE0A8;
  --accent:#FF6B4A;
  --text-1:#EAF1FA;
  --text-2:#9FB0C6;
  --text-3:#6B7C93;
  --line:rgba(255,255,255,.09);
  --glass:rgba(255,255,255,.045);
  --success:#2FD08A;
  --warn:#FFB02E;
  --danger:#FF5D5D;
  --r-card:20px;
  --r-panel:24px;
  --r-img:14px;
  --r-pill:999px;
  --shadow-card:0 20px 44px rgba(0,0,0,.45);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::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-2);
  background-color:var(--bg-base);
  background-image:
    radial-gradient(1100px 560px at 12% -8%,rgba(23,224,200,.10),transparent 62%),
    radial-gradient(900px 480px at 100% 2%,rgba(255,107,74,.07),transparent 60%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{color:var(--text-1);font-weight:800;line-height:1.32;margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(23,224,200,.28);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,10,20,.58);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(5,10,20,.84);
  border-bottom-color:rgba(23,224,200,.22);
  box-shadow:0 14px 32px rgba(0,0,0,.45);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px;transition:height .3s ease}
.site-header.is-scrolled .nav{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 6px 18px rgba(23,224,200,.35);
}
.logo-mark span{width:12px;height:12px;border-radius:3px;background:#04121A;display:block}
.logo-text{font-size:19px;font-weight:800;color:var(--text-1);letter-spacing:.4px}
.nav-chips{display:flex;align-items:center;gap:6px;flex:1 1 auto;justify-content:center;min-width:0}
.chip{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 16px;
  border-radius:var(--r-pill);font-size:15px;color:var(--text-2);white-space:nowrap;
  border:1px solid transparent;transition:all .25s ease;
}
.chip:hover{color:var(--text-1);background:var(--glass);border-color:var(--line)}
.chip.is-active{color:var(--primary);background:var(--glass);border-color:rgba(23,224,200,.28)}
.chip.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  box-shadow:0 0 12px rgba(23,224,200,.8);
}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-pill);display:grid;place-items:center;
  color:var(--text-2);border:1px solid var(--line);background:var(--glass);
  transition:all .25s ease;
}
.icon-btn:hover{color:var(--primary);border-color:rgba(23,224,200,.5)}
.burger{display:none}
.nav-drawer{
  display:none;flex-direction:column;gap:6px;padding:14px 24px 20px;
  border-bottom:1px solid var(--line);background:rgba(5,10,20,.97);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
body.drawer-open .nav-drawer{display:flex}
.nav-drawer .chip{height:44px;justify-content:flex-start}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  transition:transform .25s ease,box-shadow .25s ease,filter .25s ease,border-color .25s ease,color .25s ease;
}
.btn-primary{
  background:linear-gradient(120deg,var(--accent),var(--primary));
  color:#04121A;box-shadow:0 10px 26px rgba(255,107,74,.26);
}
.btn-primary:hover{transform:translateY(-3px);filter:brightness(1.08);box-shadow:0 14px 34px rgba(23,224,200,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 4px 12px rgba(0,0,0,.35)}
.btn-ghost{
  background:var(--glass);border:1px solid var(--line);color:var(--text-1);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.btn-ghost:hover{border-color:rgba(23,224,200,.6);color:var(--primary);transform:translateY(-3px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);padding:24px 0 0;
}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:rgba(255,255,255,.22)}
.crumb-current{color:var(--text-2);max-width:58ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article hero ---------- */
.article-hero{padding:20px 0 0}
.article-hero-inner{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-panel);
  padding:34px 36px;
  background:linear-gradient(140deg,rgba(23,224,200,.10),rgba(11,20,36,.75) 58%),var(--bg-elev);
  box-shadow:var(--shadow-card);
}
.article-hero-inner::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.13;
}
.article-hero-inner > *{position:relative;z-index:1}
.article-hero h1{font-size:clamp(26px,3.3vw,40px);line-height:1.28;margin:16px 0 18px;max-width:26ch}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12.5px;font-weight:600;line-height:1;
}
.badge-cat{background:var(--glass);border:1px solid rgba(23,224,200,.3);color:var(--primary)}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--text-3)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.22)}
.meta-strong{color:var(--text-2);font-weight:600}

/* ---------- cover ---------- */
.article-cover{
  margin:26px 0 0;border-radius:18px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  aspect-ratio:16/9;background:var(--bg-elev);
}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* ---------- article body ---------- */
.article-wrap{display:grid;grid-template-columns:minmax(0,780px);justify-content:center;padding:50px 0 0}
.article-body{
  max-width:780px;width:100%;margin:0 auto;
  font-size:16.5px;line-height:1.9;color:var(--text-2);
  overflow-wrap:anywhere;word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;font-size:clamp(21px,2.4vw,26px);color:var(--text-1);
  margin:44px 0 16px;padding-left:15px;line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
  box-shadow:0 0 14px rgba(23,224,200,.5);
}
.article-body h3{font-size:19px;color:var(--text-1);margin:30px 0 12px}
.article-body h4{font-size:16.5px;color:var(--text-1);margin:22px 0 10px}
.article-body strong{color:var(--text-1)}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(23,224,200,.45)}
.article-body a:hover{color:var(--primary-2);border-bottom-color:var(--primary-2)}
.article-body li{position:relative;padding-left:22px;margin-bottom:10px}
.article-body ul > li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(23,224,200,.5);
}
.article-body ol{counter-reset:item}
.article-body ol > li{counter-increment:item}
.article-body ol > li::before{
  content:counter(item) ".";position:absolute;left:0;top:0;
  font-size:15px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--glass);
  border-left:3px solid var(--primary);border-radius:0 14px 14px 0;
  color:var(--text-1);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);border:1px solid var(--line);margin:24px auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;text-align:center;color:var(--text-3);margin-top:10px}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  margin:24px 0;font-size:14.5px;border:1px solid var(--line);border-radius:12px;
}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.article-body thead th{background:rgba(23,224,200,.08);color:var(--text-1);font-weight:700}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.025)}
.article-body code{
  font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px;
  background:rgba(255,255,255,.07);color:var(--primary);padding:2px 6px;border-radius:6px;
}
.article-body pre{
  background:var(--bg-deep);border:1px solid var(--line);border-radius:14px;
  padding:16px 18px;overflow-x:auto;margin:24px 0;
}
.article-body pre code{background:none;color:var(--text-1);padding:0;font-size:13.5px;line-height:1.7}
.article-body hr{border:0;height:1px;background:var(--line);margin:36px 0}

/* ---------- empty ---------- */
.empty-state{
  max-width:580px;margin:12px auto;padding:48px 32px;text-align:center;
  background:var(--glass);border:1px dashed rgba(255,255,255,.18);border-radius:var(--r-panel);
}
.empty-icon{
  width:54px;height:54px;margin:0 auto;border-radius:16px;display:grid;place-items:center;
  color:var(--primary);background:rgba(23,224,200,.1);border:1px solid rgba(23,224,200,.28);
}
.empty-state h2{font-size:22px;margin:18px 0 10px}
.empty-state p{font-size:14.5px;color:var(--text-3);margin-bottom:24px}

/* ---------- tags ---------- */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  max-width:780px;margin:44px auto 0;padding-top:22px;border-top:1px solid var(--line);
}
.tag-label{font-size:13px;color:var(--text-3)}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--glass);border:1px solid var(--line);
  font-size:13px;color:var(--text-2);transition:all .25s ease;
}
.tag:hover{color:var(--primary);border-color:rgba(23,224,200,.5);transform:translateY(-2px)}

/* ---------- sections ---------- */
.section{padding:78px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{font-size:clamp(22px,2.4vw,28px)}
.section-head p{font-size:14px;color:var(--text-3);margin-top:8px}
.link-more{position:relative;color:var(--primary);font-size:14px;font-weight:600}
.link-more::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:currentColor;
  transform:scaleX(.35);transform-origin:left;transition:transform .3s ease;
}
.link-more:hover::after{transform:scaleX(1)}

/* ---------- recommend ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rec-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.rec-card:hover{transform:translateY(-3px);border-color:rgba(23,224,200,.42);box-shadow:var(--shadow-card)}
.rec-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-deep)}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.05)}
.rec-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px}
.rec-body h3{font-size:17px}
.rec-body p{
  font-size:14px;color:var(--text-2);line-height:1.75;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rec-meta{font-size:12.5px;color:var(--text-3);margin-top:2px}

/* ---------- cta ---------- */
.cta-panel{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  margin:82px 0 0;padding:34px 36px;border-radius:var(--r-panel);
  background:linear-gradient(120deg,rgba(23,224,200,.12),rgba(11,20,36,.88));
  border:1px solid rgba(23,224,200,.3);
  box-shadow:0 0 0 1px rgba(23,224,200,.1),0 24px 50px rgba(0,0,0,.5);
}
.cta-panel h2{font-size:clamp(21px,2.4vw,26px);margin-bottom:8px}
.cta-panel p{font-size:15px;max-width:54ch;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- footer ---------- */
.site-footer{
  position:relative;margin-top:88px;padding:56px 0 26px;
  background:var(--bg-deep);border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(23,224,200,.9),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:34px}
.footer-grid h4{font-size:15px;margin-bottom:14px;color:var(--text-1)}
.footer-grid p{font-size:14px;color:var(--text-3);line-height:1.8;max-width:34ch}
.footer-list li{margin-bottom:10px}
.footer-list a{font-size:14px;color:var(--text-2)}
.footer-list a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .chip{padding:0 12px;font-size:14px}
  .nav-chips{gap:2px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
}
@media (max-width:900px){
  .nav-chips{
    justify-content:flex-start;overflow-x:auto;padding-bottom:4px;
    -ms-overflow-style:none;scrollbar-width:none;
  }
  .nav-chips::-webkit-scrollbar{display:none}
  .rec-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .nav{height:62px;gap:12px}
  .nav-chips{display:none}
  .burger{display:grid}
  .nav-right .btn-sm{min-height:36px;padding:0 14px;font-size:13px}
  .article-hero-inner{padding:24px 20px}
  .article-wrap{padding-top:34px}
  .article-body{font-size:16px}
  .section{padding-top:56px}
  .cta-panel{padding:26px 22px;margin-top:58px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .rec-grid{grid-template-columns:1fr}
  .crumb-current{max-width:100%}
}
@media (max-width:520px){
  .logo-text{font-size:17px}
  .nav-right .icon-btn:not(.burger){display:none}
  .article-body h2{font-size:21px;margin-top:36px}
  .tag-row{margin-top:34px}
}

/* roulang page: category1 */
:root{
    --bg-base:#050A14;
    --bg-elev:#0B1424;
    --bg-deep:#03070F;
    --primary:#17E0C8;
    --primary-2:#4FE0A8;
    --accent:#FF6B4A;
    --text-1:#EAF1FA;
    --text-2:#9FB0C6;
    --text-3:#6B7C93;
    --line:rgba(255,255,255,0.09);
    --glass:rgba(255,255,255,0.045);
    --r-card:20px;
    --r-panel:24px;
    --r-img:14px;
    --shadow-card:0 20px 44px rgba(0,0,0,.45);
    --glow:0 0 0 1px rgba(23,224,200,.35), 0 10px 34px rgba(23,224,200,.28);
  }

  *,*::before,*::after{box-sizing:border-box;}

  html{scroll-behavior:smooth;}

  html body{
    margin:0;
    padding:0;
    min-height:100%;
    color:var(--text-2);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
    font-size:16px;
    line-height:1.85;
    background:
      radial-gradient(1200px 620px at 82% -12%, rgba(23,224,200,.10), transparent 62%),
      radial-gradient(900px 520px at -6% 18%, rgba(255,107,74,.07), transparent 60%),
      var(--bg-base);
    background-attachment:fixed;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }

  html body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    opacity:.035;
    background-image:radial-gradient(rgba(255,255,255,.9) 1px, transparent 1px);
    background-size:3px 3px;
  }

  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  button{font-family:inherit;}

  .container{
    position:relative;
    z-index:1;
    width:100%;
    max-width:1240px;
    margin:0 auto;
    padding:0 24px;
  }

  .section{padding:88px 0;}
  .section-tight{padding:64px 0;}

  /* ---------- Header / Nav ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:80;
    background:rgba(5,10,20,.52);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border-bottom:1px solid transparent;
    transition:background .3s ease, border-color .3s ease, box-shadow .3s ease;
  }
  .site-header.is-scrolled{
    background:rgba(5,10,20,.72);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom-color:var(--line);
    box-shadow:0 14px 34px rgba(0,0,0,.4);
  }
  .nav{
    display:grid;
    grid-template-columns:auto 1fr auto;
    align-items:center;
    gap:16px;
    height:72px;
    transition:height .3s ease;
  }
  .site-header.is-scrolled .nav{height:60px;}

  .logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
  .logo-mark{
    width:30px;height:30px;border-radius:9px;
    display:grid;place-items:center;
    background:linear-gradient(135deg,var(--primary),var(--primary-2));
    box-shadow:0 8px 20px rgba(23,224,200,.32);
  }
  .logo-mark span{width:11px;height:11px;border-radius:3px;background:#04121A;display:block;}
  .logo-text{
    font-size:19px;
    font-weight:800;
    letter-spacing:.4px;
    color:var(--text-1);
  }

  .nav-chips{
    justify-self:center;
    display:flex;
    align-items:center;
    gap:6px;
    padding:4px;
    border-radius:999px;
    background:var(--glass);
    border:1px solid var(--line);
    max-width:100%;
    overflow-x:auto;
    scrollbar-width:none;
  }
  .nav-chips::-webkit-scrollbar{display:none;}

  .chip{
    position:relative;
    display:inline-flex;
    align-items:center;
    height:38px;
    padding:0 16px;
    border-radius:999px;
    font-size:14px;
    font-weight:500;
    color:var(--text-2);
    white-space:nowrap;
    transition:color .24s ease, background .24s ease, box-shadow .24s ease;
  }
  .chip:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
  .chip.is-active{
    color:var(--primary);
    background:rgba(255,255,255,.07);
    box-shadow:inset 0 0 0 1px rgba(23,224,200,.28);
    font-weight:600;
  }
  .chip.is-active::after{
    content:"";
    position:absolute;
    left:50%;
    bottom:2px;
    width:22px;
    height:2px;
    border-radius:2px;
    transform:translateX(-50%);
    background:var(--primary);
    box-shadow:0 0 10px rgba(23,224,200,.85);
  }
  .chip:focus-visible,
  .btn:focus-visible,
  .icon-btn:focus-visible,
  .page-link:focus-visible,
  .faq-q:focus-visible{
    outline:2px solid rgba(23,224,200,.7);
    outline-offset:2px;
  }

  .nav-right{display:flex;align-items:center;gap:10px;justify-self:end;}
  .icon-btn{
    width:40px;height:40px;
    display:grid;place-items:center;
    border-radius:12px;
    background:var(--glass);
    border:1px solid var(--line);
    color:var(--text-2);
    cursor:pointer;
    transition:color .24s ease, border-color .24s ease, transform .24s ease;
  }
  .icon-btn:hover{color:var(--primary);border-color:rgba(23,224,200,.55);transform:translateY(-2px);}
  .burger{display:none;}

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:46px;
    padding:0 24px;
    border-radius:999px;
    font-size:15px;
    font-weight:700;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform .22s ease, box-shadow .22s ease, filter .22s ease, border-color .22s ease, color .22s ease, background .22s ease;
  }
  .btn-primary{
    background:linear-gradient(120deg,var(--accent),var(--primary));
    color:#04121A;
    box-shadow:0 10px 26px rgba(255,107,74,.26);
  }
  .btn-primary:hover{
    transform:translateY(-3px);
    filter:brightness(1.08);
    box-shadow:0 0 0 1px rgba(23,224,200,.35), 0 16px 36px rgba(23,224,200,.3);
  }
  .btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 12px rgba(0,0,0,.35);}
  .btn-ghost{
    background:var(--glass);
    border-color:var(--line);
    color:var(--text-1);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
  }
  .btn-ghost:hover{
    transform:translateY(-3px);
    border-color:rgba(23,224,200,.6);
    color:var(--primary);
  }
  .btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
  .btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

  /* ---------- Page banner ---------- */
  .cat-banner{
    position:relative;
    padding:56px 0 52px;
    min-height:262px;
    display:flex;
    align-items:center;
    background-image:
      linear-gradient(180deg, rgba(3,7,15,.84) 0%, rgba(5,10,20,.9) 60%, rgba(5,10,20,.96) 100%),
      url('/assets/images/backpic/back-1.png');
    background-size:cover;
    background-position:center;
    border-bottom:1px solid var(--line);
  }
  .breadcrumb{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--text-3);
    margin-bottom:20px;
  }
  .breadcrumb a{color:var(--text-3);transition:color .2s ease;}
  .breadcrumb a:hover{color:var(--primary);}
  .breadcrumb span.sep{opacity:.55;}

  .banner-title{
    margin:0;
    font-size:clamp(26px,3.6vw,40px);
    line-height:1.25;
    font-weight:800;
    color:var(--text-1);
    letter-spacing:.2px;
  }
  .banner-title .hl{
    background:linear-gradient(120deg,var(--primary),var(--primary-2));
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .banner-sub{
    margin:14px 0 0;
    font-size:16px;
    color:var(--text-2);
    max-width:720px;
  }
  .banner-meta{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px;
    margin-top:22px;
  }
  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    height:26px;
    padding:0 12px;
    border-radius:999px;
    font-size:12.5px;
    line-height:1;
    font-weight:600;
    white-space:nowrap;
  }
  .badge-glass{
    background:var(--glass);
    border:1px solid rgba(23,224,200,.28);
    color:var(--primary);
  }
  .badge-accent{
    background:rgba(255,107,74,.14);
    border:1px solid rgba(255,107,74,.32);
    color:var(--accent);
  }
  .badge-plain{
    background:rgba(255,255,255,.04);
    border:1px solid var(--line);
    color:var(--text-3);
  }

  /* ---------- Section heading ---------- */
  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    margin-bottom:32px;
  }
  .section-title{
    margin:0;
    font-size:clamp(22px,2.5vw,30px);
    line-height:1.3;
    font-weight:700;
    color:var(--text-1);
  }
  .section-sub{
    margin:8px 0 0;
    font-size:14px;
    color:var(--text-3);
    line-height:1.7;
  }
  .text-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14.5px;
    font-weight:600;
    color:var(--primary);
    white-space:nowrap;
  }
  .text-link::after{
    content:"";
    position:absolute;
    left:0;
    bottom:-4px;
    width:100%;
    height:1px;
    background:var(--primary);
    transform:scaleX(.35);
    transform-origin:left;
    opacity:.6;
    transition:transform .26s ease, opacity .26s ease;
  }
  .text-link:hover::after{transform:scaleX(1);opacity:1;}

  /* ---------- Filter chips ---------- */
  .filter-bar{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    padding:14px;
    border-radius:999px;
    background:var(--glass);
    border:1px solid var(--line);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    margin-bottom:8px;
  }
  .filter-btn{
    height:36px;
    padding:0 16px;
    border-radius:999px;
    border:1px solid transparent;
    background:transparent;
    color:var(--text-2);
    font-size:14px;
    cursor:pointer;
    transition:color .24s ease, background .24s ease, box-shadow .24s ease, border-color .24s ease;
  }
  .filter-btn:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
  .filter-btn.is-active{
    color:#04121A;
    font-weight:700;
    background:linear-gradient(120deg,var(--primary),var(--primary-2));
    box-shadow:0 8px 22px rgba(23,224,200,.25);
  }

  /* ---------- Directory rows ---------- */
  .dir-list{
    margin-top:26px;
    border-top:1px solid var(--line);
  }
  .dir-row{
    display:grid;
    grid-template-columns:56px 1fr 44px;
    align-items:center;
    gap:20px;
    min-height:104px;
    padding:20px 18px;
    border-radius:16px;
    box-shadow:inset 0 -1px 0 var(--line);
    transition:background .28s ease, transform .28s ease, box-shadow .28s ease;
  }
  .dir-row:hover{
    background:var(--glass);
    transform:translateX(4px);
    box-shadow:inset 0 -1px 0 rgba(23,224,200,.32), 0 14px 30px rgba(0,0,0,.35);
  }
  .dir-num{
    font-size:30px;
    font-weight:800;
    line-height:1;
    color:rgba(23,224,200,.32);
    font-variant-numeric:tabular-nums;
    transition:color .28s ease;
  }
  .dir-row:hover .dir-num{color:rgba(23,224,200,.75);}
  .dir-body{min-width:0;}
  .dir-title{
    display:block;
    font-size:18px;
    font-weight:700;
    color:var(--text-1);
    line-height:1.45;
  }
  .dir-desc{
    display:block;
    margin-top:6px;
    font-size:14.5px;
    color:var(--text-2);
    line-height:1.7;
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
  }
  .dir-meta{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px;
    margin-top:10px;
    font-size:12.5px;
    color:var(--text-3);
    font-variant-numeric:tabular-nums;
  }
  .dir-tag{
    display:inline-flex;
    align-items:center;
    height:22px;
    padding:0 10px;
    border-radius:999px;
    font-size:12px;
    font-weight:600;
    color:var(--primary);
    background:var(--glass);
    border:1px solid rgba(23,224,200,.26);
  }
  .dir-arrow{
    justify-self:end;
    width:40px;height:40px;
    display:grid;place-items:center;
    border-radius:999px;
    border:1px solid var(--line);
    color:var(--text-3);
    transition:color .26s ease, border-color .26s ease, transform .26s ease, background .26s ease;
  }
  .dir-row:hover .dir-arrow{
    color:#04121A;
    background:linear-gradient(120deg,var(--primary),var(--primary-2));
    border-color:transparent;
    transform:translateX(3px);
  }

  /* ---------- Glass panels ---------- */
  .glass-panel{
    background:var(--glass);
    border:1px solid var(--line);
    border-radius:var(--r-panel);
    padding:28px;
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    box-shadow:var(--shadow-card);
  }
  .panel-title{
    margin:0 0 16px;
    font-size:20px;
    font-weight:700;
    color:var(--text-1);
  }
  .panel-list{list-style:none;margin:0;padding:0;}
  .panel-list li{
    position:relative;
    padding:14px 0 14px 22px;
    border-bottom:1px dashed rgba(255,255,255,.08);
    font-size:15px;
    color:var(--text-2);
    line-height:1.8;
  }
  .panel-list li:last-child{border-bottom:0;}
  .panel-list li::before{
    content:"";
    position:absolute;
    left:0;
    top:23px;
    width:8px;height:8px;
    border-radius:3px;
    background:linear-gradient(135deg,var(--primary),var(--primary-2));
    box-shadow:0 0 12px rgba(23,224,200,.5);
  }
  .panel-list li strong{color:var(--text-1);font-weight:700;}

  .figure-img{
    border-radius:18px;
    border:1px solid var(--line);
    overflow:hidden;
    box-shadow:var(--shadow-card);
  }
  .figure-img img{
    width:100%;
    aspect-ratio:16/9;
    object-fit:cover;
  }

  /* ---------- Compare table ---------- */
  .cmp-wrap{
    overflow-x:auto;
    border:1px solid var(--line);
    border-radius:var(--r-card);
    background:linear-gradient(180deg, rgba(11,20,36,.85), rgba(5,10,20,.7));
    box-shadow:var(--shadow-card);
    -webkit-overflow-scrolling:touch;
  }
  table.cmp{
    width:100%;
    min-width:760px;
    border-collapse:collapse;
    font-size:14.5px;
  }
  table.cmp th{
    text-align:left;
    padding:16px 18px;
    font-size:13.5px;
    font-weight:700;
    color:var(--text-1);
    background:rgba(255,255,255,.05);
    border-bottom:1px solid var(--line);
    white-space:nowrap;
  }
  table.cmp td{
    padding:15px 18px;
    color:var(--text-2);
    border-bottom:1px solid rgba(255,255,255,.06);
    vertical-align:top;
  }
  table.cmp tbody tr:nth-child(odd){background:rgba(255,255,255,.018);}
  table.cmp tbody tr:hover{background:rgba(23,224,200,.05);}
  table.cmp td:first-child{color:var(--text-1);font-weight:600;}
  table.cmp tbody tr:last-child td{border-bottom:0;}

  /* ---------- FAQ ---------- */
  .faq-list{
    max-width:800px;
    margin:0 auto;
    display:flex;
    flex-direction:column;
    gap:12px;
  }
  .faq-item{
    background:var(--glass);
    border:1px solid var(--line);
    border-radius:18px;
    overflow:hidden;
    transition:border-color .28s ease, background .28s ease;
  }
  .faq-item:hover{border-color:rgba(255,255,255,.16);}
  .faq-item.is-open{border-color:rgba(23,224,200,.38);background:rgba(255,255,255,.06);}
  .faq-q{
    position:relative;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    width:100%;
    padding:18px 22px;
    background:none;
    border:0;
    text-align:left;
    font-size:16.5px;
    font-weight:700;
    color:var(--text-2);
    cursor:pointer;
    line-height:1.6;
    transition:color .24s ease;
  }
  .faq-item.is-open .faq-q{color:var(--text-1);}
  .faq-item.is-open .faq-q::before{
    content:"";
    position:absolute;
    left:0;
    top:16px;
    bottom:16px;
    width:3px;
    border-radius:3px;
    background:var(--primary);
    box-shadow:0 0 12px rgba(23,224,200,.7);
  }
  .faq-icon{
    flex:0 0 auto;
    width:22px;height:22px;
    display:grid;place-items:center;
    color:var(--text-3);
    transition:transform .3s ease, color .3s ease;
  }
  .faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--accent);}
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .38s ease;
  }
  .faq-item.is-open .faq-a{max-height:420px;}
  .faq-a p{
    margin:0;
    padding:0 22px 20px;
    font-size:15px;
    line-height:1.85;
    color:var(--text-2);
  }

  /* ---------- CTA band ---------- */
  .cta-band{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:28px;
    padding:36px 40px;
    border-radius:var(--r-panel);
    background:linear-gradient(120deg, rgba(23,224,200,.12), rgba(255,107,74,.09));
    border:1px solid rgba(23,224,200,.24);
    box-shadow:var(--glow);
  }
  .cta-band h2{
    margin:0;
    font-size:clamp(20px,2.2vw,26px);
    font-weight:700;
    color:var(--text-1);
    line-height:1.35;
  }
  .cta-band p{
    margin:8px 0 0;
    font-size:14.5px;
    color:var(--text-2);
    max-width:560px;
  }
  .cta-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}

  /* ---------- Pager ---------- */
  .pager{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:center;
    gap:10px;
    margin-top:40px;
  }
  .page-link{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-width:42px;
    height:42px;
    padding:0 16px;
    border-radius:999px;
    background:var(--glass);
    border:1px solid var(--line);
    color:var(--text-2);
    font-size:14px;
    font-variant-numeric:tabular-nums;
    transition:color .24s ease, border-color .24s ease, background .24s ease, transform .24s ease;
  }
  .page-link:hover{color:var(--primary);border-color:rgba(23,224,200,.55);transform:translateY(-2px);}
  .page-link.is-current{
    background:linear-gradient(120deg,var(--primary),var(--primary-2));
    color:#04121A;
    font-weight:700;
    border-color:transparent;
    box-shadow:0 10px 24px rgba(23,224,200,.28);
  }
  .page-link.is-disabled{opacity:.38;pointer-events:none;}

  /* ---------- Footer ---------- */
  .site-footer{
    position:relative;
    margin-top:88px;
    background:var(--bg-deep);
    border-top:1px solid var(--line);
  }
  .site-footer::before{
    content:"";
    position:absolute;
    top:-1px;left:0;right:0;
    height:1px;
    background:linear-gradient(90deg,transparent,rgba(23,224,200,.6),transparent);
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1.2fr;
    gap:32px;
    padding:56px 0 36px;
  }
  .footer-grid h4{
    margin:0 0 16px;
    font-size:15px;
    font-weight:700;
    color:var(--text-1);
  }
  .footer-grid p{
    margin:0;
    font-size:14px;
    line-height:1.85;
    color:var(--text-3);
  }
  .footer-list{list-style:none;margin:0;padding:0;}
  .footer-list li{margin-bottom:10px;}
  .footer-list a{
    font-size:14px;
    color:var(--text-3);
    transition:color .22s ease, padding-left .22s ease;
  }
  .footer-list a:hover{color:var(--primary);padding-left:4px;}
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    padding:20px 0 28px;
    border-top:1px solid rgba(255,255,255,.06);
    font-size:13px;
    color:var(--text-3);
  }

  /* ---------- Mobile drawer ---------- */
  .drawer{
    position:fixed;
    top:72px;
    left:0;
    right:0;
    z-index:78;
    display:none;
    padding:18px 24px 24px;
    background:rgba(5,10,20,.96);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 44px rgba(0,0,0,.5);
  }
  .drawer.is-open{display:block;}
  .drawer .chip{
    display:flex;
    width:100%;
    height:46px;
    justify-content:flex-start;
    margin-bottom:8px;
    background:var(--glass);
    border:1px solid var(--line);
  }
  .drawer .chip.is-active{border-color:rgba(23,224,200,.4);}
  .drawer .chip.is-active::after{display:none;}

  /* ---------- Reveal ---------- */
  .js-ready .reveal{
    opacity:0;
    transform:translateY(16px);
    transition:opacity .62s ease, transform .62s ease;
  }
  .js-ready .reveal.is-in{opacity:1;transform:none;}

  /* ---------- Responsive ---------- */
  @media (max-width:1024px){
    .nav-chips{display:none;}
    .burger{display:grid;}
    .footer-grid{grid-template-columns:1.2fr 1fr 1fr;}
    .dir-row{grid-template-columns:48px 1fr 40px;gap:16px;}
    .dir-num{font-size:26px;}
  }

  @media (max-width:768px){
    .section{padding:52px 0;}
    .section-tight{padding:44px 0;}
    .cat-banner{padding:40px 0 40px;min-height:220px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:26px;padding:44px 0 28px;}
    .cta-band{
      flex-direction:column;
      align-items:flex-start;
      padding:28px 24px;
      gap:20px;
    }
    .cta-actions{width:100%;flex-wrap:wrap;}
    .cta-actions .btn{flex:1 1 auto;}
    .dir-row{
      grid-template-columns:44px 1fr 36px;
      min-height:auto;
      padding:18px 12px;
      gap:12px;
    }
    .dir-desc{white-space:normal;}
    .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
    .glass-panel{padding:22px;}
  }

  @media (max-width:640px){
    .container{padding:0 18px;}
    .logo-text{font-size:17px;}
    .nav{height:64px;}
    .site-header.is-scrolled .nav{height:58px;}
    .drawer{top:64px;}
    .nav-right .icon-btn:not(.burger){display:none;}
    .btn-sm{min-height:36px;padding:0 14px;font-size:13px;}
    .banner-title{font-size:26px;}
    .banner-sub{font-size:15px;}
    .footer-grid{grid-template-columns:1fr;gap:24px;}
    .dir-row{grid-template-columns:36px 1fr 32px;padding:16px 10px;}
    .dir-num{font-size:22px;}
    .dir-title{font-size:16.5px;}
    .dir-desc{font-size:14px;}
    .filter-bar{border-radius:20px;}
    .faq-q{font-size:15.5px;padding:16px 18px;}
    .faq-a p{padding:0 18px 18px;}
  }

  @media (prefers-reduced-motion: reduce){
    *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
    .js-ready .reveal{opacity:1;transform:none;}
  }

/* roulang page: category2 */
:root{
  --bg-base:#050A14;
  --bg-elev:#0B1424;
  --bg-deep:#03070F;
  --primary:#17E0C8;
  --primary-2:#4FE0A8;
  --accent:#FF6B4A;
  --text-1:#EAF1FA;
  --text-2:#9FB0C6;
  --text-3:#6B7C93;
  --line:rgba(255,255,255,0.09);
  --glass:rgba(255,255,255,0.045);
  --ok:#2FD08A;
  --warn:#FFB02E;
  --err:#FF5D5D;
  --r-card:20px;
  --r-panel:24px;
  --r-img:14px;
  --r-pill:999px;
  --shadow-card:0 20px 44px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(23,224,200,.35),0 10px 34px rgba(23,224,200,.28);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:100px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background-color:var(--bg-base);
  color:var(--text-2);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
  position:relative;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/></filter><rect width='140' height='140' filter='url(/%23n)'/></svg>");
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;line-height:1.3;}
p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:8px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease;}
.js .reveal.is-in{opacity:1;transform:none;}

/* header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;height:72px;display:flex;align-items:center;
  border-bottom:1px solid transparent;
  transition:height .25s ease,background .25s ease,border-color .25s ease,backdrop-filter .25s ease;
}
.site-header.is-scrolled{
  height:60px;background:rgba(5,10,20,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 0 0 1px rgba(23,224,200,.35),0 8px 22px rgba(23,224,200,.22);
}
.logo-mark span{display:block;width:12px;height:12px;border-radius:4px;background:#04121A;}
.logo-text{font-size:19px;font-weight:800;color:var(--text-1);letter-spacing:.01em;}
.nav-chips{
  display:flex;align-items:center;gap:6px;padding:5px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.chip{
  position:relative;display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);
  font-size:14px;color:var(--text-2);transition:background .22s ease,color .22s ease;
}
.chip:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.chip.is-active{color:var(--primary);background:rgba(23,224,200,.08);}
.chip.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:-3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));box-shadow:0 0 12px rgba(23,224,200,.7);
}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);border:1px solid var(--line);background:var(--glass);transition:.22s ease;
}
.icon-btn:hover{color:var(--primary);border-color:rgba(23,224,200,.45);}
.icon-btn:active{transform:scale(.96);}
.burger{display:none;}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease,filter .24s ease;
}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px;}
.btn-primary{
  background:linear-gradient(100deg,var(--accent),var(--primary));
  color:#04121A;box-shadow:0 10px 26px rgba(255,107,74,.22);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:var(--glow);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(0,0,0,.35);}
.btn-ghost{
  background:var(--glass);border:1px solid var(--line);color:var(--text-1);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.btn-ghost:hover{border-color:rgba(23,224,200,.6);color:var(--primary);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);box-shadow:inset 0 2px 8px rgba(0,0,0,.35);}

/* badges */
.badge{
  height:28px;display:inline-flex;align-items:center;gap:6px;padding:0 14px;border-radius:var(--r-pill);
  font-size:12.5px;color:var(--primary);background:rgba(23,224,200,.08);border:1px solid rgba(23,224,200,.22);
}
.badge-accent{color:var(--accent);background:rgba(255,107,74,.1);border-color:rgba(255,107,74,.28);}

/* hero */
.page-hero{
  position:relative;padding:132px 0 72px;overflow:hidden;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,10,20,.84) 0%,rgba(5,10,20,.9) 58%,var(--bg-base) 100%);
}
.hero-grid{display:grid;grid-template-columns:1.45fr .85fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--primary);
  margin-bottom:18px;letter-spacing:.02em;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--primary),transparent);}
.page-hero h1{font-size:clamp(30px,3.6vw,44px);font-weight:800;line-height:1.25;letter-spacing:-.01em;}
.hero-sub{margin-top:16px;font-size:16px;line-height:1.85;color:var(--text-2);max-width:540px;}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-badges{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;}
.hero-phone{
  position:relative;width:100%;max-width:286px;margin-left:auto;aspect-ratio:9/16;
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  background:var(--bg-elev);box-shadow:var(--shadow-card);
}
.hero-phone img{width:100%;height:100%;object-fit:cover;}
.hero-phone .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,10,20,.05) 20%,rgba(3,7,15,.88));}
.hero-phone .play{
  position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  color:var(--primary);background:rgba(5,10,20,.55);border:1px solid rgba(23,224,200,.5);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.hero-phone .pulse{
  position:absolute;left:50%;top:44%;width:56px;height:56px;border-radius:50%;
  border:1px solid rgba(23,224,200,.55);transform:translate(-50%,-50%);
  animation:breathe 2s ease-in-out infinite;pointer-events:none;
}
@keyframes breathe{
  0%,100%{opacity:.55;transform:translate(-50%,-50%) scale(1);}
  50%{opacity:0;transform:translate(-50%,-50%) scale(1.55);}
}
.hero-phone .phone-caption{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
}
.hero-phone .phone-caption strong{display:block;color:var(--text-1);font-size:15px;font-weight:700;margin-bottom:4px;}
.hero-phone .phone-caption span{font-size:12.5px;color:var(--text-3);}

/* metrics */
.metrics-sec{padding:56px 0 0;}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.metric{
  padding:22px 24px;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:transform .26s ease,border-color .26s ease;
}
.metric:hover{transform:translateY(-3px);border-color:rgba(23,224,200,.35);}
.metric strong{display:block;font-size:30px;font-weight:800;line-height:1.2;color:var(--primary);font-variant-numeric:tabular-nums;}
.metric span{display:block;margin-top:6px;font-size:13px;color:var(--text-3);line-height:1.6;}

/* sections */
.section{padding:88px 0;}
.section-head{max-width:790px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.6vw,30px);}
.section-head p{margin-top:12px;font-size:15.5px;color:var(--text-2);}

/* guide layout */
.guide-layout{display:grid;grid-template-columns:200px minmax(0,1fr);gap:48px;align-items:start;}
.anchor-nav{
  position:sticky;top:96px;display:flex;flex-direction:column;gap:4px;padding:14px;
  border-radius:var(--r-card);background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.anchor-title{font-size:12px;color:var(--text-3);padding:0 12px 8px 16px;}
.anchor-nav a{
  position:relative;display:block;padding:10px 12px 10px 16px;border-radius:12px;
  font-size:14px;color:var(--text-2);transition:background .2s ease,color .2s ease;
}
.anchor-nav a::before{
  content:"";position:absolute;left:0;top:50%;width:3px;height:0;border-radius:3px;
  background:var(--primary);transform:translateY(-50%);transition:height .22s ease;
}
.anchor-nav a:hover{color:var(--text-1);background:rgba(255,255,255,.04);}
.anchor-nav a.is-active{color:var(--primary);background:rgba(23,224,200,.07);}
.anchor-nav a.is-active::before{height:18px;}

/* alternating rows */
.alt-rows{display:flex;flex-direction:column;gap:60px;}
.alt-row{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;}
.alt-row.is-rev .alt-media{order:2;}
.alt-media{
  border-radius:18px;overflow:hidden;border:1px solid var(--line);
  background:var(--bg-elev);box-shadow:var(--shadow-card);aspect-ratio:16/9;
}
.alt-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.alt-row:hover .alt-media img{transform:scale(1.03);}
.alt-body h3{font-size:20px;margin-bottom:14px;}
.alt-body p{font-size:15.5px;line-height:1.9;color:var(--text-2);}
.alt-tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  height:26px;display:inline-flex;align-items:center;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;color:var(--primary);background:rgba(23,224,200,.08);border:1px solid rgba(23,224,200,.22);
}
.text-link{
  position:relative;display:inline-block;margin-top:18px;font-size:14px;font-weight:600;color:var(--primary);
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:-4px;width:100%;height:1px;background:currentColor;
  transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.text-link:hover::after{transform:scaleX(1);}

/* tips */
.tips-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.tip-card{
  padding:28px;border-radius:var(--r-panel);background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.tip-card:hover{transform:translateY(-3px);border-color:rgba(23,224,200,.38);box-shadow:var(--shadow-card);}
.tip-card.wide{grid-column:span 2;}
.tip-index{font-size:13px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;}
.tip-card h3{margin:12px 0 10px;font-size:19px;}
.tip-card p{font-size:15px;line-height:1.85;color:var(--text-2);}

/* faq */
.faq-wrap{max-width:800px;margin:0 auto;}
.faq-item{
  border-radius:18px;background:var(--glass);border:1px solid var(--line);margin-bottom:12px;
  overflow:hidden;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:border-color .24s ease;
}
.faq-item.is-open{border-color:rgba(23,224,200,.32);box-shadow:inset 3px 0 0 var(--primary);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--text-2);transition:color .2s ease;
}
.faq-q:hover{color:var(--text-1);}
.faq-item.is-open .faq-q{color:var(--text-1);}
.faq-ico{flex:0 0 auto;width:20px;height:20px;color:var(--primary);transition:transform .26s ease;}
.faq-item.is-open .faq-ico{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--text-2);}

/* cta */
.cta-band{padding:0 0 88px;}
.cta-panel{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:36px 40px;border-radius:var(--r-panel);
  background:linear-gradient(120deg,rgba(23,224,200,.10),rgba(255,107,74,.08)),var(--glass);
  border:1px solid rgba(23,224,200,.28);
  box-shadow:0 0 0 1px rgba(23,224,200,.16),var(--shadow-card);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.cta-panel h2{font-size:clamp(21px,2.4vw,26px);margin-bottom:10px;}
.cta-panel p{font-size:15px;color:var(--text-2);max-width:560px;}

/* footer */
.site-footer{
  position:relative;margin-top:24px;padding:64px 0 28px;background:var(--bg-deep);border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(23,224,200,.6),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;}
.footer-grid h4{font-size:15px;margin-bottom:16px;}
.footer-grid p{font-size:14px;line-height:1.85;color:var(--text-3);}
.footer-list li{margin-bottom:10px;}
.footer-list a{font-size:14px;color:var(--text-2);transition:color .2s ease;}
.footer-list a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* mobile drawer */
.drawer-mask{
  position:fixed;inset:0;z-index:70;background:rgba(3,7,15,.62);
  opacity:0;pointer-events:none;transition:opacity .3s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:80;width:min(320px,84vw);
  padding:22px;display:flex;flex-direction:column;gap:10px;
  background:rgba(6,12,24,.97);border-left:1px solid var(--line);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  transform:translateX(100%);transition:transform .3s ease;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.drawer .chip{width:100%;justify-content:flex-start;height:44px;border-radius:14px;padding:0 16px;}
.drawer-note{font-size:13px;color:var(--text-3);line-height:1.7;margin-top:6px;}

/* responsive */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-phone{margin:0 auto;max-width:250px;}
  .guide-layout{grid-template-columns:1fr;gap:28px;}
  .anchor-nav{
    position:static;flex-direction:row;gap:8px;padding:10px;overflow-x:auto;
    scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;
  }
  .anchor-nav a{white-space:nowrap;padding:8px 14px;scroll-snap-align:start;}
  .anchor-nav a::before{display:none;}
  .anchor-title{display:none;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:900px){
  .nav-chips{display:none;}
  .burger{display:inline-flex;}
  .nav-right .icon-btn:not(.burger){display:none;}
}
@media (max-width:768px){
  .section{padding:52px 0;}
  .container{padding:0 18px;}
  .page-hero{padding:110px 0 48px;}
  .hero-phone{max-width:216px;}
  .alt-row{grid-template-columns:1fr;gap:20px;}
  .alt-row.is-rev .alt-media{order:0;}
  .alt-rows{gap:44px;}
  .tips-grid{grid-template-columns:1fr;}
  .tip-card.wide{grid-column:auto;}
  .cta-band{padding:0 0 56px;}
  .metrics-sec{padding:40px 0 0;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .metrics{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .cta-panel{padding:26px 22px;}
  .page-hero h1{font-size:28px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .js .reveal{opacity:1;transform:none;}
}