/* roulang page: index */
:root{
  --grad:linear-gradient(135deg,#6C3BF4 0%,#F0439C 100%);
  --brand1:#6C3BF4;
  --brand2:#F0439C;
  --amber:#FFB020;
  --bg:#F7F6FB;
  --card:#FFFFFF;
  --dark:#171430;
  --text:#1A1830;
  --text2:#5A5773;
  --text3:#8E8BA6;
  --border:#E7E4F2;
  --line:#EFEDF6;
  --soft:#F1EDFE;
  --r-lg:24px;--r-md:18px;--r-sm:14px;--pill:999px;
  --sh1:0 1px 2px rgba(23,20,48,.04),0 12px 32px -12px rgba(23,20,48,.16);
  --sh2:0 20px 44px -16px rgba(23,20,48,.24);
  --sec:96px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.75;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;color:var(--text)}
:focus-visible{outline:3px solid rgba(108,59,244,.45);outline-offset:2px;border-radius:10px}
::selection{background:rgba(108,59,244,.18)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section--tight{padding:72px 0}
.section--dark{background:var(--dark);color:#B9B5D0;position:relative}
.section--dark h2,.section--dark h3{color:#fff}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;padding:14px 0;transition:padding .22s var(--ease),background .22s var(--ease)}
.site-header.is-scrolled{padding:8px 0;background:rgba(247,246,251,.88);backdrop-filter:blur(12px)}
.nav-card{position:relative;display:flex;align-items:center;gap:20px;background:var(--card);
  border:1px solid var(--border);border-radius:20px;padding:10px 14px;box-shadow:var(--sh1)}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{width:36px;height:36px;border-radius:12px;background:var(--grad);display:flex;align-items:center;
  justify-content:center;color:#fff;font-weight:800;font-size:14px;letter-spacing:.02em;box-shadow:0 8px 18px -8px rgba(108,59,244,.8)}
.brand-text{font-size:16px;font-weight:800;line-height:1.2;white-space:nowrap}
.brand-text em{display:block;font-style:normal;font-size:12px;font-weight:500;color:var(--text3)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-item{display:flex;align-items:center;height:40px;padding:0 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:var(--text2);transition:background .2s var(--ease),color .2s var(--ease)}
.nav-item:hover{background:var(--soft);color:var(--brand1)}
.nav-item.active{background:var(--soft);color:var(--brand1);position:relative}
.nav-item.active::after{content:"";position:absolute;left:14px;right:14px;bottom:7px;height:3px;border-radius:3px;background:var(--grad)}
.nav-cta{flex:0 0 auto}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--border);
  align-items:center;justify-content:center;color:var(--text2);background:#fff}
.nav-toggle:hover{background:var(--soft);color:var(--brand1)}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
  border-radius:var(--pill);font-size:15px;font-weight:700;transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 30px -14px rgba(108,59,244,.85)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.03);box-shadow:0 20px 36px -16px rgba(108,59,244,.9)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 8px rgba(23,20,48,.22)}
.btn-ghost{background:#fff;color:var(--text);border:1px solid var(--border);box-shadow:var(--sh1)}
.btn-ghost:hover{transform:translateY(-2px);border-color:#D6CBFA;color:var(--brand1)}
.btn-ghost:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(23,20,48,.12)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:var(--r-sm)}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--brand1)}
.link-more:hover{color:var(--brand2)}

/* ---------- hero ---------- */
.hero{position:relative;padding:64px 0 0;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;z-index:0;opacity:.07;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.hero::after{content:"";position:absolute;z-index:0;width:520px;height:520px;right:-140px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,59,244,.16),rgba(108,59,244,0) 68%)}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand1);
  background:var(--soft);border:1px solid #E3DAFD;border-radius:var(--pill);padding:6px 14px}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--grad);display:inline-block}
h1{font-size:48px;line-height:1.2;font-weight:800;margin:20px 0 18px}
h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;color:var(--text2);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0 28px}
.badges{display:flex;flex-wrap:wrap;gap:12px}
.badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--pill);
  background:#fff;border:1px solid var(--border);font-size:13px;font-weight:600;color:var(--text2);box-shadow:0 6px 16px -12px rgba(23,20,48,.4)}
.badge i{width:8px;height:8px;border-radius:50%;background:var(--grad);display:inline-block}
.badge b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800;font-variant-numeric:tabular-nums}

.hero-visual{position:relative}
.hero-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh1);background:#fff;border:1px solid var(--border)}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.float-card{position:absolute;left:-18px;bottom:-26px;width:250px;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-md);padding:16px 18px;box-shadow:var(--sh2)}
.float-card .pulse{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:700;color:#12B886}
.pulse i{width:8px;height:8px;border-radius:50%;background:#12B886;position:relative}
.pulse i::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:2px solid rgba(18,184,134,.35);
  animation:pulse 1.8s ease-out infinite}
@keyframes pulse{0%{transform:scale(.7);opacity:.9}100%{transform:scale(1.6);opacity:0}}
.float-card strong{display:block;font-size:15px;margin:8px 0 4px}
.float-card span{font-size:12px;color:var(--text3);line-height:1.6}

/* ---------- section head ---------- */
.sec-head{max-width:780px;margin-bottom:44px}
h2{font-size:34px;line-height:1.32;font-weight:700;margin-top:16px}
.sec-sub{margin-top:14px;color:var(--text2);font-size:16px}
.sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;flex-wrap:wrap}

/* ---------- value ---------- */
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.value-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);padding:28px;
  box-shadow:var(--sh1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#DCD2FB}
.icon-block{width:46px;height:46px;border-radius:var(--r-sm);background:var(--grad);display:flex;align-items:center;
  justify-content:center;color:#fff;font-weight:800;font-size:16px;margin-bottom:18px}
.value-card h3{font-size:19px;font-weight:700;line-height:1.45}
.value-card p{margin-top:10px;font-size:14.5px;color:var(--text2)}

/* ---------- bento ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.bento-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);display:flex;flex-direction:column}
.bento-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:#DCD2FB}
.bento-card.big{grid-column:span 3}
.bento-card.small{grid-column:span 2;padding:26px}
.bento-card.small .icon-block{margin-bottom:14px;width:40px;height:40px;font-size:14px}
.bento-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.bento-body{padding:24px 26px 28px}
.bento-body h3{font-size:21px;font-weight:700}
.bento-body p{margin-top:10px;color:var(--text2);font-size:15px}
.bento-card h3{font-size:18px;font-weight:700}
.bento-card p{margin-top:8px;color:var(--text2);font-size:14.5px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{font-size:12px;font-weight:600;color:var(--brand1);background:var(--soft);border-radius:var(--pill);padding:5px 12px}

/* ---------- scenes ---------- */
.scene-band{position:relative;background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.scene-band::before{content:"";position:absolute;inset:0;opacity:.06;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat}
.scene-band .container{position:relative;z-index:1}
.zrow{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.zrow + .zrow{margin-top:72px}
.zrow.reverse .zmedia{order:2}
.zmedia{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--sh1);background:#fff}
.zmedia img{width:100%;aspect-ratio:16/11;object-fit:cover}
.ztext h3{font-size:24px;font-weight:700;line-height:1.4}
.ztext p{margin-top:14px;color:var(--text2)}
.check-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--text2);line-height:1.7}
.check-list li i{flex:0 0 22px;height:22px;border-radius:50%;background:var(--soft);color:var(--brand1);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;margin-top:4px}

/* ---------- cases ---------- */
.case-wrap{position:relative}
.case-track{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding:8px 4px 28px;
  scrollbar-width:none;-ms-overflow-style:none}
.case-track::-webkit-scrollbar{display:none}
.case-card{flex:0 0 340px;scroll-snap-align:start;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh1);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--sh2)}
.case-org{height:88px;border-radius:var(--r-md);background:var(--grad);opacity:.92;display:flex;align-items:center;
  justify-content:center;color:#fff;font-weight:700;font-size:15px;letter-spacing:.04em;margin-bottom:20px}
.case-card h3{font-size:18px;font-weight:700}
.case-card p{margin-top:8px;font-size:14.5px;color:var(--text2)}
.case-mini{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.case-mini span{font-size:12px;font-weight:600;border:1px solid var(--border);border-radius:var(--pill);padding:4px 12px;color:var(--text2)}
.case-nav{position:absolute;top:-70px;width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--border);
  box-shadow:var(--sh1);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--text2);transition:.2s var(--ease)}
.case-nav:hover{color:var(--brand1);border-color:#D6CBFA;transform:translateY(-2px)}
.case-nav.prev{right:64px}
.case-nav.next{right:0}

/* ---------- price ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{position:relative;background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:32px 28px;box-shadow:var(--sh1);display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.price-card.featured{transform:scale(1.02);border:1.5px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box}
.price-card.featured:hover{transform:scale(1.02) translateY(-4px)}
.rec{position:absolute;top:-13px;left:28px;background:var(--grad);color:#fff;font-size:12px;font-weight:700;
  padding:5px 14px;border-radius:var(--pill)}
.price-card h3{font-size:20px;font-weight:700}
.price-card .price-desc{font-size:14px;color:var(--text3);margin-top:6px}
.price-num{display:flex;align-items:baseline;gap:6px;margin:22px 0 6px}
.price-num b{font-size:38px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.price-num span{font-size:14px;color:var(--text3)}
.price-feats{margin:20px 0 28px;display:flex;flex-direction:column;gap:12px;font-size:14.5px;color:var(--text2)}
.price-feats li{display:flex;gap:10px;align-items:flex-start}
.price-feats li i{flex:0 0 18px;height:18px;border-radius:50%;background:var(--soft);color:var(--brand1);
  display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;margin-top:4px}
.price-feats li.off{color:var(--text3)}
.price-feats li.off i{background:#F2F1F7;color:var(--text3)}
.price-card .btn{margin-top:auto;width:100%}

/* ---------- news (cms) ---------- */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:#DCD2FB}
.news-thumb{position:relative;aspect-ratio:16/9;background:var(--grad);display:flex;align-items:center;justify-content:center}
.news-thumb svg{width:34px;height:34px;opacity:.9}
.news-cat{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:var(--brand1);
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:var(--pill)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-title{font-size:16.5px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden}
.news-sum{margin-top:10px;font-size:14px;color:var(--text2);display:-webkit-box;-webkit-line-clamp:3;
  -webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text3);border-top:1px solid var(--line)}
.empty-state{grid-column:1/-1;border:1.5px dashed #D8D3EC;border-radius:20px;padding:44px 24px;text-align:center;
  color:var(--text2);font-size:15px;background:#fff}
.skel{background:#F0EEF7;border-radius:12px;overflow:hidden;position:relative}
.skel::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.7),transparent);
  transform:translateX(-100%);animation:shine 1.6s infinite}
@keyframes shine{100%{transform:translateX(100%)}}

/* ---------- faq ---------- */
.faq-list{max-width:860px;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);padding:0 24px;box-shadow:var(--sh1);transition:border-color .2s var(--ease)}
.faq-item:hover{border-color:#DCD2FB}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:20px 0;font-size:17px;font-weight:600;color:var(--text)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{position:relative;flex:0 0 22px;width:22px;height:22px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand1);border-radius:2px}
.faq-icon::before{left:4px;right:4px;top:10px;height:2px}
.faq-icon::after{top:4px;bottom:4px;left:10px;width:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-body{padding:16px 0 22px;border-top:1px solid var(--line);color:var(--text2);font-size:15px;line-height:1.8}

/* ---------- cta ---------- */
.cta-banner{background:var(--grad);border-radius:28px;padding:56px 56px;display:flex;align-items:center;
  justify-content:space-between;gap:32px;color:#fff;box-shadow:0 30px 60px -30px rgba(108,59,244,.9)}
.cta-banner h2{color:#fff;font-size:30px;margin:0}
.cta-banner p{margin-top:12px;color:rgba(255,255,255,.9);font-size:15.5px;max-width:620px}
.cta-banner .btn-ghost{background:#fff;border:0;color:var(--brand1)}
.cta-banner .btn-ghost:hover{color:var(--brand2)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#B9B5D0;margin-top:96px;position:relative}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:72px 0 48px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text em{color:#8E8BA6}
.site-footer p{font-size:14px;line-height:1.8}
.footer-col h4{font-size:13px;font-weight:700;letter-spacing:.14em;color:#8E8BA6;text-transform:uppercase;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14.5px;color:#B9B5D0;transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:22px 0 30px;font-size:13px;color:#8E8BA6;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  :root{--sec:80px}
  h1{font-size:44px}
}
@media (max-width:1023px){
  :root{--sec:72px}
  .container{padding:0 20px}
  h1{font-size:38px}
  h2{font-size:28px}
  .nav-toggle{display:flex;margin-left:auto}
  .nav-links{display:none;position:absolute;top:calc(100% + 10px);left:0;right:0;flex-direction:column;
    align-items:stretch;gap:6px;background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
    padding:12px;box-shadow:var(--sh2)}
  .nav-links.open{display:flex}
  .nav-item{height:46px;padding:0 16px}
  .nav-item.active::after{display:none}
  .nav-cta{display:none}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero{padding-top:48px}
  .float-card{left:16px;bottom:-20px}
  .value-grid{grid-template-columns:repeat(2,1fr)}
  .bento-card.big,.bento-card.small{grid-column:span 3}
  .zrow{grid-template-columns:1fr;gap:32px}
  .zrow.reverse .zmedia{order:0}
  .price-grid{grid-template-columns:1fr;max-width:520px}
  .price-card.featured{transform:none}
  .price-card.featured:hover{transform:translateY(-4px)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 36px}
  .case-nav{top:auto;bottom:-56px}
}
@media (max-width:767px){
  :root{--sec:56px}
  .container{padding:0 16px}
  h1{font-size:31px}
  h2{font-size:25px}
  body{font-size:15.5px}
  .brand-text{font-size:15px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .value-grid{grid-template-columns:1fr}
  .bento{grid-template-columns:1fr}
  .bento-card.big,.bento-card.small{grid-column:span 1}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-banner{padding:32px 24px}
  .cta-banner h2{font-size:24px}
  .case-card{flex:0 0 280px}
  .float-card{position:static;width:100%;margin-top:16px}
  .zrow + .zrow{margin-top:48px}
}
@media (max-width:420px){
  h1{font-size:28px}
  h2{font-size:22px}
  .badge{font-size:12px;padding:7px 12px}
  .price-card{padding:26px 20px}
  .price-num b{font-size:32px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --primary:#6C3BF4;
  --primary-2:#F0439C;
  --grad:linear-gradient(120deg,#6C3BF4 0%,#F0439C 100%);
  --grad-soft:linear-gradient(120deg,rgba(108,59,244,.12),rgba(240,67,156,.12));
  --amber:#FFB020;
  --success:#12B886;
  --warning:#E8A33D;
  --danger:#E8453C;
  --bg:#F7F6FB;
  --card:#FFFFFF;
  --dark:#171430;
  --text:#1A1830;
  --text-2:#5A5773;
  --text-3:#8E8BA6;
  --border:#E7E4F2;
  --divider:#EFEDF6;
  --purple-soft:#F1EDFE;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow:0 1px 2px rgba(23,20,48,.04),0 12px 32px -12px rgba(23,20,48,.16);
  --shadow-hover:0 20px 44px -16px rgba(23,20,48,.24);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease-out}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:1.25em}
:focus-visible{outline:3px solid rgba(108,59,244,.55);outline-offset:2px;border-radius:6px}

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

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:12px 0;
  background:linear-gradient(180deg,rgba(247,246,251,.96) 60%,rgba(247,246,251,.72));
  backdrop-filter:blur(10px);
  transition:box-shadow .2s ease-out,padding .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 10px 30px -18px rgba(23,20,48,.35);padding:8px 0}
.nav-card{
  display:flex;
  align-items:center;
  gap:18px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:20px;
  padding:10px 14px;
  box-shadow:var(--shadow);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background:var(--grad);
  color:#fff;font-weight:800;font-size:15px;letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;
  text-transform:lowercase;
}
.brand-text{font-weight:800;font-size:17px;letter-spacing:.2px;line-height:1.2}
.brand-text em{font-style:normal;font-weight:600;font-size:12px;color:var(--text-3);display:block;letter-spacing:1px}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-item{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;color:var(--text-2);
  position:relative;
  transition:background .2s ease-out,color .2s ease-out;
}
.nav-item:hover,.nav-item:focus-visible{background:var(--purple-soft);color:var(--primary)}
.nav-item.active{color:var(--primary);background:var(--purple-soft)}
.nav-item.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--grad);
}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:42px;height:42px;margin-left:auto;
  border:1px solid var(--border);border-radius:12px;background:#fff;cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);position:relative;transition:.2s ease-out}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.2s ease-out;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px -14px rgba(108,59,244,.75)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);filter:brightness(1.03)}
.btn-primary:active{transform:none;box-shadow:inset 0 3px 8px rgba(23,20,48,.22)}
.btn-outline{background:#fff;color:var(--text);border-color:var(--border)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-outline:active{transform:none;box-shadow:inset 0 3px 8px rgba(23,20,48,.12)}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 文章页布局 ============ */
.article-main{padding:8px 0 96px}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);padding:22px 0 0;
}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--primary)}
.crumbs span.sep{color:#CFCBDF}
.crumbs span.current{color:var(--primary);font-weight:600}

.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 280px;
  gap:40px;
  align-items:start;
  padding-top:24px;
}
.article-head{max-width:760px}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;border-radius:999px;
  background:var(--purple-soft);border:1px solid #E2D9FD;
  color:var(--primary);font-size:13px;font-weight:700;
}
.badge::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--grad)}
.badge-amber{background:#FFF6E5;border-color:#FBE2B4;color:#B77A08}
.badge-amber::before{background:var(--amber)}
.article-head h1{
  font-size:44px;line-height:1.22;font-weight:800;letter-spacing:-.4px;
  margin:16px 0 18px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  font-size:14px;color:var(--text-3);
}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-row .dot{width:6px;height:6px;border-radius:50%;background:#D4CFE6}
.meta-row strong{color:var(--text-2);font-weight:600}
.divider{height:1px;background:var(--divider);margin:26px 0 0;max-width:760px}

/* ============ 正文排版 ============ */
.article-prose{
  max-width:760px;
  margin-top:34px;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
}
.article-prose p{margin:0 0 20px}
.article-prose h2{
  position:relative;
  font-size:28px;
  line-height:1.4;
  font-weight:700;
  margin:44px 0 16px;
  padding-left:16px;
  scroll-margin-top:96px;
}
.article-prose h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:4px;background:var(--grad);
}
.article-prose h3{
  font-size:22px;line-height:1.45;font-weight:700;margin:32px 0 12px;scroll-margin-top:96px;
}
.article-prose h4{font-size:18px;font-weight:600;margin:24px 0 10px}
.article-prose ul,.article-prose ol{margin:0 0 20px;padding-left:1.35em}
.article-prose li{margin:8px 0}
.article-prose ul li::marker{color:var(--primary)}
.article-prose ol li::marker{color:var(--primary);font-weight:700}
.article-prose blockquote{
  margin:24px 0;padding:18px 22px;border-radius:16px;
  background:var(--purple-soft);border-left:3px solid var(--primary);
  color:var(--text-2);
}
.article-prose blockquote p:last-child{margin-bottom:0}
.article-prose img{border-radius:16px;margin:24px auto}
.article-prose figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:-12px}
.article-prose a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-prose a:hover{color:var(--primary-2)}
.article-prose table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--border);border-radius:16px;overflow:hidden;
}
.article-prose thead{background:#FAF9FE}
.article-prose th,.article-prose td{padding:12px 14px;border-bottom:1px solid var(--divider);text-align:left}
.article-prose tbody tr:last-child td{border-bottom:none}
.article-prose strong{font-weight:700}
.article-prose code{
  background:#F4F2FB;border:1px solid var(--border);border-radius:6px;
  padding:2px 6px;font-size:14px;
}
.empty-state{
  border:1.5px dashed var(--border);
  border-radius:20px;
  padding:48px 24px;
  text-align:center;
  color:var(--text-2);
  background:#fff;
}
.empty-state p{font-size:17px;font-weight:600;color:var(--text);margin-bottom:16px}

/* ============ 标签 / 说明 / 翻页 ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;max-width:760px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:999px;background:#fff;border:1px solid var(--border);
  font-size:13px;font-weight:600;color:var(--text-2);
  transition:.2s ease-out;
}
.tag:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.note-box{
  max-width:760px;margin-top:28px;padding:16px 18px;
  border-radius:var(--radius-sm);background:#FBFAFF;border:1px solid var(--divider);
  font-size:13px;line-height:1.8;color:var(--text-3);
}
.pager{
  max-width:760px;margin-top:28px;padding-top:24px;border-top:1px solid var(--divider);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
}
.pager-links{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 相关推荐 ============ */
.related{margin-top:64px}
.related-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:20px}
.related-head h2{font-size:24px;font-weight:700}
.related-head a{font-size:14px;font-weight:700;color:var(--primary)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#DCD2FB}
.rel-card:hover h3{color:var(--primary)}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--grad)}
.rel-thumb img{width:100%;height:100%;object-fit:cover}
.rel-thumb .tip{
  position:absolute;left:12px;top:12px;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(23,20,48,.72);color:#fff;font-size:12px;font-weight:600;
  display:inline-flex;align-items:center;
}
.rel-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:17px;line-height:1.5;font-weight:700;transition:color .2s ease-out}
.rel-body p{font-size:14px;color:var(--text-2);line-height:1.7}
.rel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.rel-foot .arrow{font-weight:700;color:var(--primary)}

/* ============ 侧栏目录 ============ */
.article-aside{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:20px;box-shadow:var(--shadow);
}
.side-card h4{font-size:14px;font-weight:700;color:var(--text-3);letter-spacing:1px;margin-bottom:12px}
.toc-list{list-style:none;padding:0;margin:0;font-size:14px}
.toc-list li{margin:8px 0}
.toc-list a{color:var(--text-2);display:block;line-height:1.6;border-left:2px solid transparent;padding-left:10px}
.toc-list a:hover{color:var(--primary);border-left-color:var(--primary)}
.toc-list li.lv3 a{padding-left:22px;font-size:13px;color:var(--text-3)}
.toc-empty{font-size:13px;color:var(--text-3);line-height:1.7}
.side-cta{background:var(--dark);border-color:transparent;color:#B9B5D0}
.side-cta h4{color:#8E8BA6}
.side-cta p{font-size:13px;line-height:1.8;margin-bottom:14px}
.side-cta .btn{width:100%}
.skeleton{height:12px;border-radius:6px;background:#F0EEF8;position:relative;overflow:hidden}
.skeleton::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.85),transparent);
  animation:shimmer 1.4s infinite;
}
@keyframes shimmer{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#B9B5D0;padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text em{color:#8E8BA6}
.site-footer p{font-size:14px;line-height:1.85;color:#9C98B8;max-width:340px}
.footer-col h4{font-size:13px;font-weight:700;color:#8E8BA6;letter-spacing:1.5px;margin-bottom:14px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin:10px 0}
.footer-col a,.footer-col span{font-size:14px;color:#B9B5D0}
.footer-col a:hover{color:#fff}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:#8E8BA6;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-aside{display:none}
}
@media (max-width:1023px){
  .container{padding:0 20px}
  .nav-toggle{display:flex}
  .nav-links{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:6px;
    background:#fff;border:1px solid var(--border);border-radius:20px;
    padding:14px;box-shadow:var(--shadow-hover);
    display:none;
  }
  .nav-links.is-open{display:flex}
  .nav-item{height:46px;justify-content:flex-start;font-size:16px}
  .nav-item.active::after{display:none}
  .nav-cta{display:none}
  .nav-card{position:relative}
  .article-head h1{font-size:34px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-main{padding-bottom:72px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .brand-text{font-size:15px}
  .article-main{padding-top:0;padding-bottom:56px}
  .article-head h1{font-size:30px;line-height:1.3}
  .article-prose{font-size:16px;line-height:1.8;margin-top:26px}
  .article-prose h2{font-size:23px}
  .article-prose h3{font-size:19px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .pager{flex-direction:column;align-items:stretch}
  .pager .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{padding:48px 0 24px}
}
@media (max-width:420px){
  .article-head h1{font-size:26px}
  .meta-row{font-size:13px;gap:8px 14px}
  .btn{height:44px;padding:0 18px;font-size:14px}
}

/* roulang page: category1 */
:root{
  --brand-a:#6C3BF4;
  --brand-b:#F0439C;
  --brand-grad:linear-gradient(102deg,#6C3BF4 0%,#F0439C 100%);
  --accent:#FFB020;
  --success:#12B886;
  --warn:#E8A33D;
  --danger:#E8453C;
  --bg:#F7F6FB;
  --card:#FFFFFF;
  --dark:#171430;
  --text:#1A1830;
  --text-2:#5A5773;
  --text-3:#8E8BA6;
  --border:#E7E4F2;
  --line:#EFEDF6;
  --soft:#F1EDFE;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-img:16px;
  --pill:999px;
  --sh:0 1px 2px rgba(23,20,48,.04),0 12px 32px -12px rgba(23,20,48,.16);
  --sh-hover:0 20px 44px -16px rgba(23,20,48,.24);
  --t:200ms cubic-bezier(.22,.61,.36,1);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color var(--t),opacity var(--t);}
a:hover{color:var(--brand-a);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{line-height:1.3;font-weight:700;letter-spacing:.01em;}
em{font-style:normal;}
:focus-visible{outline:3px solid rgba(108,59,244,.55);outline-offset:2px;border-radius:8px;}

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

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:14px 0 10px;transition:padding var(--t);}
.site-header.shrink{padding:8px 0 6px;}
.nav-card{
  display:flex;align-items:center;gap:18px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:20px;
  padding:12px 18px;
  box-shadow:var(--sh);
  transition:box-shadow var(--t),transform var(--t);
}
.site-header.shrink .nav-card{box-shadow:var(--sh-hover);}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  background:var(--brand-grad);
  color:#fff;font-weight:800;font-size:15px;letter-spacing:.02em;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px -8px rgba(108,59,244,.75);
}
.brand-text{font-weight:800;font-size:17px;color:var(--text);letter-spacing:.01em;white-space:nowrap;}
.brand-text em{font-weight:600;font-size:12px;color:var(--text-3);margin-left:6px;letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-item{
  display:inline-flex;align-items:center;height:40px;padding:0 15px;
  border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:var(--text-2);
  transition:background var(--t),color var(--t),transform var(--t);
}
.nav-item:hover{background:var(--soft);color:var(--brand-a);transform:translateY(-1px);}
.nav-item.active{background:var(--soft);color:var(--brand-a);position:relative;}
.nav-item.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:5px;height:2.5px;
  border-radius:2px;background:var(--brand-grad);
}
.nav-cta{display:flex;align-items:center;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--border);align-items:center;justify-content:center;margin-left:auto;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative;border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform var(--t),top var(--t);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform var(--t),box-shadow var(--t),filter var(--t),background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 12px 26px -12px rgba(108,59,244,.8);}
.btn-primary:hover{color:#fff;filter:brightness(1.03);transform:translateY(-2px);box-shadow:0 18px 34px -14px rgba(240,67,156,.75);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(23,20,48,.22);}
.btn-outline{background:#fff;color:var(--text);border:1px solid var(--border);}
.btn-outline:hover{color:var(--brand-a);border-color:#CFC2FA;transform:translateY(-2px);box-shadow:var(--sh);}
.btn-outline:active{transform:translateY(0);box-shadow:inset 0 3px 8px rgba(23,20,48,.1);}
.btn-sm{height:40px;padding:0 19px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:44px 0 46px;}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.07;pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;right:-90px;top:-70px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(108,59,244,.18),rgba(240,67,156,.06) 60%,transparent 70%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{font-size:13px;color:var(--text-3);margin-bottom:12px;display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand-a);}
.breadcrumb .sep{color:#C6C2D8;}
.breadcrumb .current{color:var(--brand-a);font-weight:600;}
.page-hero h1{
  font-size:clamp(30px,4vw,46px);font-weight:800;line-height:1.2;
  max-width:18em;margin-bottom:16px;
}
.page-hero h1 .kw{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.page-hero .lead{
  font-size:17px;color:var(--text-2);max-width:40em;line-height:1.85;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  height:32px;padding:0 14px;border-radius:var(--pill);
  background:var(--soft);border:1px solid #E1D8FD;
  color:var(--brand-a);font-size:13px;font-weight:600;
}
.tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand-grad);}
.tag.amber{background:#FFF6E4;border-color:#FFE2AF;color:#9A6408;}
.tag.amber::before{background:var(--accent);}

/* ---------- sections ---------- */
.section{padding:76px 0;}
.section.tight{padding:56px 0;}
.section-head{max-width:46em;margin-bottom:38px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand-a);
  background:var(--soft);border-radius:var(--pill);padding:6px 14px;margin-bottom:14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-grad);}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:16px;}

/* ---------- split blocks ---------- */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:32px 0;
}
.split.reverse .split-media{order:2;}
.split-body h3{font-size:23px;margin-bottom:14px;}
.split-body p{color:var(--text-2);margin-bottom:14px;}
.split-media{position:relative;}
.media-frame{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--border);
  box-shadow:var(--sh);background:#fff;
}
.media-frame img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform 420ms cubic-bezier(.22,.61,.36,1);}
.media-frame:hover img{transform:scale(1.035);}
.media-note{
  position:absolute;left:18px;bottom:-18px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-sm);
  padding:12px 16px;box-shadow:var(--sh);display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--text-2);
}
.pulse{width:9px;height:9px;border-radius:50%;background:var(--success);position:relative;flex-shrink:0;}
.pulse::after{
  content:"";position:absolute;inset:-4px;border-radius:50%;
  border:2px solid rgba(18,184,134,.4);animation:pulse 1.8s infinite;
}
@keyframes pulse{0%{transform:scale(.7);opacity:.9;}70%{transform:scale(1.5);opacity:0;}100%{opacity:0;}}

/* ---------- check list ---------- */
.check-list{display:grid;gap:14px;margin-top:22px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-sm);
  padding:14px 18px;font-size:15px;color:var(--text-2);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.check-list li:hover{transform:translateY(-2px);box-shadow:var(--sh);border-color:#DCD2FB;}
.check-list li::before{
  content:"";flex-shrink:0;width:20px;height:20px;margin-top:4px;border-radius:6px;
  background:var(--brand-grad);
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='black' d='M9.6 16.6 5 12l1.4-1.4 3.2 3.2 8-8L19 7.2z'/></svg>") center/14px no-repeat;
  mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='black' d='M9.6 16.6 5 12l1.4-1.4 3.2 3.2 8-8L19 7.2z'/></svg>") center/14px no-repeat;
}
.check-list li strong{color:var(--text);font-weight:700;}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.info-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#DCD2FB;}
.icon-block{
  width:46px;height:46px;border-radius:14px;background:var(--brand-grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:17px;
  margin-bottom:16px;box-shadow:0 12px 24px -14px rgba(108,59,244,.85);
}
.info-card h3{font-size:19px;margin-bottom:10px;}
.info-card p{font-size:15px;color:var(--text-2);}
.card-meta{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;}
.mini-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:var(--pill);
  background:#F5F3FD;border:1px solid var(--border);color:var(--text-2);
  font-size:12px;font-weight:600;font-variant-numeric:tabular-nums;
}

/* ---------- stat strip ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:26px 28px;box-shadow:var(--sh);
}
.stat-strip .stat{display:flex;flex-direction:column;gap:4px;position:relative;padding-left:16px;}
.stat-strip .stat::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--brand-grad);}
.stat-strip .num{font-size:26px;font-weight:800;color:var(--text);font-variant-numeric:tabular-nums;}
.stat-strip .lbl{font-size:14px;color:var(--text-2);}

/* ---------- panel ---------- */
.panel{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh);
}
.panel .row-divider{height:1px;background:var(--line);margin:22px 0;}
.panel h3{font-size:21px;margin-bottom:12px;}
.panel p{color:var(--text-2);font-size:15.5px;}
.panel p + p{margin-top:10px;}

/* ---------- faq ---------- */
.faq{max-width:860px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
}
.faq-item:hover{border-color:#DCD2FB;box-shadow:var(--sh);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;padding:20px 22px;font-size:17px;font-weight:700;color:var(--text);
}
.faq-q .arrow{
  flex-shrink:0;width:20px;height:20px;position:relative;transition:transform var(--t);
}
.faq-q .arrow::before,.faq-q .arrow::after{
  content:"";position:absolute;top:50%;width:9px;height:2px;background:var(--brand-a);border-radius:2px;
}
.faq-q .arrow::before{left:2px;transform:rotate(45deg);}
.faq-q .arrow::after{right:2px;transform:rotate(-45deg);}
.faq-item.open .faq-q .arrow{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease;}
.faq-a .inner{
  padding:14px 22px 20px;border-top:1px solid var(--line);
  font-size:15px;line-height:1.8;color:var(--text-2);
}

/* ---------- cta ---------- */
.cta-banner{
  position:relative;overflow:hidden;
  background:var(--brand-grad);border-radius:28px;
  padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 28px 60px -26px rgba(108,59,244,.8);
}
.cta-banner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-banner p{color:rgba(255,255,255,.9);font-size:16px;max-width:32em;}
.cta-banner .btn-outline{background:#fff;color:var(--brand-a);border-color:transparent;}
.cta-banner .btn-outline:hover{color:var(--brand-a);transform:translateY(-2px);}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#B9B5D0;margin-top:96px;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-text em{color:#8E8BA6;}
.site-footer p{font-size:14.5px;line-height:1.8;max-width:32em;}
.footer-col h4{
  font-size:14px;color:#8E8BA6;letter-spacing:.1em;font-weight:700;margin-bottom:16px;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a,.footer-col span{font-size:14.5px;color:#B9B5D0;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.09);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8E8BA6;
}

/* ---------- skeleton ---------- */
.skeleton{
  position:relative;overflow:hidden;background:#EDEAF6;border-radius:12px;
}
.skeleton::after{
  content:"";position:absolute;inset:0;transform:translateX(-100%);
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.7),transparent);
  animation:shimmer 1.5s infinite;
}
@keyframes shimmer{100%{transform:translateX(100%);}}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .container{padding:0 20px;}
  .nav-toggle{display:flex;}
  .nav-links{
    position:absolute;left:20px;right:20px;top:calc(100% + 12px);
    background:#fff;border:1px solid var(--border);border-radius:20px;
    box-shadow:var(--sh-hover);padding:14px;
    flex-direction:column;align-items:stretch;gap:8px;
    display:none;margin-left:0;
  }
  .nav-links.open{display:flex;}
  .nav-item{height:46px;justify-content:flex-start;padding:0 16px;}
  .nav-item.active::after{left:16px;right:auto;width:24px;bottom:8px;}
  .nav-card{position:relative;}
  .nav-cta{display:none;}
  .split{grid-template-columns:1fr;gap:40px;}
  .split.reverse .split-media{order:0;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:40px;}
  .section{padding:64px 0;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .brand-text em{display:none;}
  .page-hero{padding:32px 0 34px;}
  .page-hero .lead{font-size:15.5px;}
  .section{padding:52px 0;}
  .section.tight{padding:40px 0;}
  .card-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;padding:22px;}
  .panel{padding:24px;}
  .cta-banner{padding:32px 24px;border-radius:24px;}
  .cta-banner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .site-footer{margin-top:64px;}
  .media-note{position:static;margin-top:14px;}
  .btn{height:46px;}
}
@media (max-width:420px){
  body{font-size:15.5px;}
  .page-hero h1{font-size:29px;}
  .info-card{padding:22px;}
  .faq-q{font-size:16px;padding:17px 18px;}
}

/* roulang page: category2 */
:root{
  --brand-1:#6C3BF4;
  --brand-2:#F0439C;
  --grad:linear-gradient(120deg,#6C3BF4 0%,#F0439C 100%);
  --amber:#FFB020;
  --ok:#12B886;
  --warn:#E8A33D;
  --err:#E8453C;
  --bg:#F7F6FB;
  --card:#FFFFFF;
  --dark:#171430;
  --ink:#1A1830;
  --ink-2:#5A5773;
  --ink-3:#8E8BA6;
  --line:#E7E4F2;
  --divider:#EFEDF6;
  --soft:#F1EDFE;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-img:16px;
  --r-cta:28px;
  --shadow:0 1px 2px rgba(23,20,48,.04),0 12px 32px -12px rgba(23,20,48,.16);
  --shadow-hover:0 20px 44px -16px rgba(23,20,48,.24);
  --t:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--t),background var(--t),border-color var(--t);}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(108,59,244,.45);outline-offset:2px;border-radius:8px;}

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

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:14px 0;transition:padding var(--t),background var(--t);}
.site-header.is-scrolled{padding:8px 0;background:rgba(247,246,251,.88);backdrop-filter:blur(10px);}
.nav-card{
  display:flex;align-items:center;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  padding:10px 14px;box-shadow:var(--shadow);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:15px;letter-spacing:.5px;flex-shrink:0;
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.2px;white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--ink-3);font-size:12px;font-weight:600;margin-left:4px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1;}
.nav-item{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:var(--r-sm);font-size:15px;font-weight:600;color:var(--ink-2);
}
.nav-item:hover{background:var(--soft);color:var(--brand-1);}
.nav-item.active{background:var(--soft);color:var(--brand-1);position:relative;}
.nav-item.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;background:var(--grad);
}
.nav-cta{flex-shrink:0;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:16px;border:1px solid var(--line);position:relative;background:var(--card);}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;transform:translateX(-50%);width:18px;height:2px;border-radius:2px;background:var(--ink);transition:var(--t);
}
.nav-toggle span{top:20px;}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none;}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:700;
  transition:transform var(--t),box-shadow var(--t),filter var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px -12px rgba(108,59,244,.7);}
.btn-primary:hover{filter:brightness(1.03);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:none;box-shadow:inset 0 2px 6px rgba(23,20,48,.18);}
.btn-ghost{background:var(--card);color:var(--ink);border:1px solid var(--line);}
.btn-ghost:hover{border-color:#CFC6F5;color:var(--brand-1);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-ghost:active{transform:none;}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;padding:56px 0 40px;min-height:260px;
  border-bottom:1px solid var(--divider);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;opacity:.06;z-index:0;
}
.page-hero::after{
  content:"";position:absolute;width:420px;height:420px;right:-140px;top:-180px;border-radius:50%;
  background:var(--grad);opacity:.10;filter:blur(10px);z-index:0;
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{font-size:13px;color:var(--ink-3);margin-bottom:12px;}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--brand-1);}
.breadcrumb span{margin:0 6px;}
.breadcrumb .current{color:var(--brand-1);font-weight:600;}
.page-hero h1{font-size:44px;line-height:1.22;font-weight:800;letter-spacing:-.5px;max-width:840px;}
.page-hero h1 b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{margin-top:16px;font-size:18px;color:var(--ink-2);max-width:760px;line-height:1.8;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}

/* ---------- tags & badges ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:999px;
  background:var(--soft);color:var(--brand-1);font-size:12.5px;font-weight:600;
}
.tag.grey{background:#F3F2F8;color:var(--ink-2);}
.tag.amber{background:#FFF4E0;color:#B4760A;}
.dot{width:8px;height:8px;border-radius:50%;background:currentColor;display:inline-block;}

/* ---------- stat strip ---------- */
.stat-strip{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);padding:22px 8px;display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:-34px;position:relative;z-index:2;
}
.stat-item{padding:6px 20px;border-right:1px solid var(--divider);}
.stat-item:last-child{border-right:0;}
.stat-num{font-size:30px;font-weight:800;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2;}
.stat-label{font-size:13.5px;color:var(--ink-2);margin-top:4px;}

/* ---------- sections ---------- */
.section{padding:88px 0 0;}
.section:last-of-type{padding-bottom:0;}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head .eyebrow{font-size:13px;font-weight:700;letter-spacing:2px;color:var(--brand-1);text-transform:uppercase;margin-bottom:10px;}
.section-head h2{font-size:33px;line-height:1.32;font-weight:700;letter-spacing:-.3px;}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:16px;}

/* ---------- cards grid (3 col) ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);transition:transform var(--t),box-shadow var(--t),border-color var(--t);overflow:hidden;
}
.card:hover{transform:translateY(-4px);border-color:#D9D1F7;box-shadow:var(--shadow-hover);}
.card-media{width:100%;aspect-ratio:16/9;overflow:hidden;background:var(--soft);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:24px;}
.card-body h3{font-size:22px;line-height:1.4;font-weight:700;margin-bottom:10px;}
.card-body p{font-size:15px;color:var(--ink-2);line-height:1.8;}
.card-foot{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- numbered list ---------- */
.steps{counter-reset:step;display:grid;gap:14px;}
.step{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.step:hover{border-color:#D9D1F7;transform:translateX(3px);box-shadow:var(--shadow);}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
  width:38px;height:38px;flex-shrink:0;border-radius:12px;background:var(--soft);color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;
}
.step h4{font-size:17px;font-weight:700;margin-bottom:4px;}
.step p{font-size:14.5px;color:var(--ink-2);}

/* ---------- check list ---------- */
.checklist{display:grid;gap:12px;}
.checklist li{
  display:flex;gap:12px;align-items:flex-start;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-sm);padding:14px 16px;font-size:15px;color:var(--ink-2);
  transition:border-color var(--t),box-shadow var(--t);
}
.checklist li:hover{border-color:#D9D1F7;box-shadow:var(--shadow);}
.checklist li::before{
  content:"✓";flex-shrink:0;width:22px;height:22px;border-radius:8px;background:var(--soft);
  color:var(--brand-1);font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.checklist li.no::before{content:"—";background:#F3F2F8;color:var(--ink-3);}
.checklist strong{color:var(--ink);font-weight:700;}

/* ---------- split block ---------- */
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);
  padding:32px;display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;
}
.panel h3{font-size:24px;font-weight:700;margin-bottom:12px;}
.panel p{color:var(--ink-2);font-size:15.5px;}
.panel-media{border-radius:var(--r-img);overflow:hidden;aspect-ratio:4/3;background:var(--soft);}
.panel-media img{width:100%;height:100%;object-fit:cover;}

/* ---------- symptom rows ---------- */
.rows{display:grid;gap:12px;}
.row{
  display:grid;grid-template-columns:190px 1fr 150px;gap:18px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:18px 22px;
  transition:border-color var(--t),box-shadow var(--t),transform var(--t);
}
.row:hover{border-color:#D9D1F7;box-shadow:var(--shadow);transform:translateY(-2px);}
.row .symptom{font-weight:700;font-size:15.5px;}
.row .advice{font-size:14.5px;color:var(--ink-2);}
.row .level{justify-self:end;font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:999px;}
.level.easy{background:#E7F8F1;color:#0B8A66;}
.level.mid{background:#FFF4E0;color:#A96C05;}
.level.hard{background:#FDECEB;color:#C3342B;}

/* ---------- faq ---------- */
.faq{max-width:860px;margin:0 auto;display:grid;gap:12px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color var(--t),box-shadow var(--t);}
.faq-item:hover{border-color:#D9D1F7;}
.faq-item.open{box-shadow:var(--shadow);border-color:#D9D1F7;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:700;text-align:left;
}
.faq-q .chev{
  width:26px;height:26px;flex-shrink:0;border-radius:9px;background:var(--soft);color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;font-size:12px;transition:transform var(--t);
}
.faq-item.open .chev{transform:rotate(180deg);}
.faq-a{display:none;padding:12px 22px 20px;border-top:1px solid var(--divider);color:var(--ink-2);font-size:15px;line-height:1.8;}
.faq-item.open .faq-a{display:block;}

/* ---------- cta ---------- */
.cta-banner{
  margin-top:88px;border-radius:var(--r-cta);background:var(--grad);color:#fff;
  padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:0 24px 60px -26px rgba(108,59,244,.75);position:relative;overflow:hidden;
}
.cta-banner::after{
  content:"";position:absolute;width:320px;height:320px;right:-80px;bottom:-160px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-banner h2{font-size:30px;font-weight:800;line-height:1.35;position:relative;}
.cta-banner p{margin-top:10px;font-size:15.5px;color:rgba(255,255,255,.86);max-width:560px;position:relative;}
.cta-banner .btn-white{background:#fff;color:var(--brand-1);position:relative;flex-shrink:0;}
.cta-banner .btn-white:hover{transform:translateY(-2px);box-shadow:0 18px 36px -14px rgba(23,20,48,.5);}

/* ---------- footer ---------- */
.site-footer{margin-top:96px;background:var(--dark);color:#B9B5D0;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-text em{color:#8E8BA6;}
.site-footer p{font-size:14.5px;line-height:1.85;color:#B9B5D0;max-width:340px;}
.footer-col h4{font-size:13px;letter-spacing:2px;color:#7C7899;font-weight:700;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a,.footer-col span{font-size:14.5px;color:#B9B5D0;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.08);padding:22px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8E8BA6;
}

/* ---------- skeleton ---------- */
.skeleton{background:linear-gradient(90deg,#EFEDF6 25%,#F7F6FB 37%,#EFEDF6 63%);background-size:400% 100%;animation:shimmer 1.4s infinite linear;border-radius:var(--r-sm);}
@keyframes shimmer{0%{background-position:100% 50%;}100%{background-position:0 50%;}}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-toggle{display:block;margin-left:auto;}
  .nav-links{
    position:absolute;left:24px;right:24px;top:calc(100% + 10px);
    display:none;flex-direction:column;align-items:stretch;gap:8px;margin:0;
    background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:14px;
  }
  .nav-links.open{display:flex;}
  .nav-item{height:46px;width:100%;}
  .nav-item.active::after{display:none;}
  .nav-cta{display:none;}
  .nav-card{position:relative;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:8px;}
  .stat-item{border-right:0;border-bottom:1px solid var(--divider);padding:12px 20px;}
  .stat-item:nth-child(2n){border-right:0;}
  .stat-item:nth-last-child(-n+2){border-bottom:0;}
  .panel{grid-template-columns:1fr;}
  .panel-media{order:-1;}
  .row{grid-template-columns:1fr;gap:8px;}
  .row .level{justify-self:start;}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .page-hero h1{font-size:36px;}
  .section-head h2{font-size:28px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .page-hero{padding:38px 0 30px;}
  .page-hero h1{font-size:31px;}
  .hero-lead{font-size:16.5px;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .stat-num{font-size:25px;}
  .section{padding:56px 0 0;}
  .section-head h2{font-size:24px;}
  .section-head{margin-bottom:24px;}
  .card-body h3{font-size:20px;}
  .cta-banner{margin-top:56px;padding:32px 24px;border-radius:24px;text-align:left;}
  .cta-banner h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{margin-top:64px;padding-top:48px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .panel{padding:22px;}
  .faq-q{font-size:16px;padding:16px;}
}
@media (max-width:420px){
  .page-hero h1{font-size:27px;}
  .brand-text{font-size:14.5px;}
  .brand-text em{display:none;}
  .btn{height:44px;padding:0 20px;font-size:14px;}
}