/* roulang page: index */
:root{
  --brand:#6C4CF1;
  --brand-light:#8A5CF6;
  --brand-dark:#4E33C4;
  --brand-soft:#F2EEFF;
  --mint:#25D0B0;
  --amber:#FFC53D;
  --coral:#FF5C7A;
  --bg:#FAF9FE;
  --surface:#FFFFFF;
  --surface-alt:#F3F1FB;
  --ink:#17161F;
  --ink-soft:#EDEBF7;
  --ink-muted:#A9A5C0;
  --text:#1F1E2A;
  --text-sub:#6B6A7B;
  --text-dis:#A6A4B4;
  --line:#E8E6F2;
  --line-strong:rgba(108,76,241,.35);
  --grad:linear-gradient(120deg,#6C4CF1 0%,#8A5CF6 52%,#25D0B0 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 4px 16px rgba(23,22,31,.06);
  --sh-2:0 14px 40px rgba(108,76,241,.14);
  --sh-hover:0 4px 16px rgba(23,22,31,.06),0 8px 28px rgba(108,76,241,.18);
  --s-1:8px;--s-2:16px;--s-3:24px;--s-4:40px;--s-5:64px;--s-6:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:0;font-weight:700}
h1{font-size:44px;line-height:1.25}
h2{font-size:32px;line-height:1.35}
h3{font-size:22px;line-height:1.45}
h4{font-size:18px;line-height:1.5}
p{margin:0 0 1.1em}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--alt{background:var(--surface-alt)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:40px}
.section-head .lead{color:var(--text-sub);font-size:15px;max-width:620px;margin:8px 0 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);background:rgba(108,76,241,.08);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px}
.eyebrow i{font-size:12px}
.text-link{color:var(--brand);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px}
.text-link:hover{color:var(--brand-dark)}
.text-link::after{content:"\f061";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;transition:transform .2s ease-out}
.text-link:hover::after{transform:translateX(3px)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;
  border-radius:var(--r-pill);font-size:16px;font-weight:600;padding:14px 28px;line-height:1.2;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;color:var(--brand);border:1.5px solid var(--line-strong)}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-sm{padding:10px 20px;font-size:14px}
.btn[disabled],.btn.is-disabled{filter:saturate(.4);cursor:not-allowed;transform:none;box-shadow:none}

/* badges */
.badge{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;background:rgba(108,76,241,.08);color:var(--brand);white-space:nowrap}
.badge--amber{background:rgba(255,197,61,.18);color:#8A6300}
.badge--mint{background:rgba(37,208,176,.14);color:#0C8570}
.badge--coral{background:rgba(255,92,122,.14);color:#C4304C}
.badge--muted{background:var(--surface-alt);color:var(--text-sub)}
.badge-grad{position:relative;background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;border:1.5px solid transparent;color:var(--brand)}

/* announce bar */
.announce{background:var(--ink);color:var(--ink-soft);font-size:13px;height:36px;display:flex;align-items:center}
.announce .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.announce .notice{display:flex;align-items:center;gap:10px;overflow:hidden;white-space:nowrap}
.announce .dot{width:8px;height:8px;border-radius:50%;background:var(--mint);flex:0 0 8px;box-shadow:0 0 0 4px rgba(37,208,176,.18)}
.announce .notice span{color:var(--ink-muted)}
.announce .quick{display:flex;align-items:center;gap:18px;color:var(--ink-muted)}
.announce .quick a:hover{color:var(--mint)}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease-out}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;transition:height .2s ease-out}
.site-header.is-scrolled .nav-inner{height:64px}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{width:24px;height:24px;border-radius:8px;background:var(--grad);box-shadow:0 4px 12px rgba(108,76,241,.35)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16px;font-weight:700;color:var(--text)}
.logo-text small{font-size:11px;color:var(--text-sub);letter-spacing:.06em}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-links > li{position:relative}
.nav-links > li > a{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;color:var(--text-sub);padding:10px 14px;border-radius:var(--r-sm);position:relative}
.nav-links > li > a:hover{color:var(--brand);background:var(--brand-soft)}
.nav-links > li > a.active{color:var(--brand);font-weight:600}
.nav-links > li > a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background:var(--grad)}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.mega-trigger{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:500;color:var(--text-sub);padding:10px 14px;border-radius:var(--r-sm);background:none;border:none;cursor:pointer}
.mega-trigger:hover{color:var(--brand);background:var(--brand-soft)}
.mega-trigger i{font-size:11px;transition:transform .2s ease-out}
.has-mega:hover .mega-trigger i,.has-mega:focus-within .mega-trigger i{transform:rotate(180deg)}
.mega-panel{position:absolute;left:0;top:calc(100% + 14px);width:min(1040px,calc(100vw - 48px));
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2);
  padding:24px;display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .18s ease-out,transform .18s ease-out,visibility .18s}
.has-mega:hover .mega-panel,.has-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h5{margin:0 0 14px;font-size:13px;color:var(--text-sub);font-weight:600;letter-spacing:.04em}
.mega-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.mega-list a{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--text);padding:8px 10px;border-radius:var(--r-sm)}
.mega-list a:hover{background:var(--brand-soft);color:var(--brand)}
.mega-list a i{color:var(--brand);font-size:13px;width:16px;text-align:center}
.mega-post{display:block;padding:10px;border-radius:var(--r-sm)}
.mega-post:hover{background:var(--brand-soft)}
.mega-post strong{display:block;font-size:14px;font-weight:600;color:var(--text);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mega-post span{font-size:12px;color:var(--text-sub)}
.mega-card{background:var(--grad);border-radius:var(--r-md);padding:20px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;gap:16px;min-height:180px}
.mega-card h5{margin:0;color:#fff;font-size:17px}
.mega-card p{margin:0;font-size:13px;color:rgba(255,255,255,.88);line-height:1.7}
.mega-card .go{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:#fff}
.mega-card .go::after{content:"\f061";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px}

/* hero */
.hero{padding:72px 0 64px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(108,76,241,.16),rgba(108,76,241,0) 68%)}
.hero .grid-x{position:relative}
.hero h1{font-size:44px;line-height:1.25;margin-bottom:20px}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{font-size:17px;color:var(--text-sub);max-width:520px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2)}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg)}
.hero-float{position:absolute;right:16px;bottom:16px;background:#fff;border-radius:var(--r-md);box-shadow:var(--sh-2);
  padding:16px 20px;display:flex;align-items:center;gap:14px;border:1px solid var(--line)}
.hero-float .num{font-size:28px;font-weight:700;color:var(--brand);line-height:1}
.hero-float .cap{font-size:12px;color:var(--text-sub);line-height:1.5}

/* stat band */
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-cell{background:var(--surface);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);position:relative;overflow:hidden;border:1px solid var(--line)}
.stat-cell::before{content:"";position:absolute;left:24px;right:24px;top:0;height:3px;border-radius:0 0 3px 3px;background:var(--grad)}
.stat-cell .num{font-size:32px;font-weight:700;color:var(--amber);line-height:1.1;display:block;margin-bottom:6px}
.stat-cell .cap{font-size:14px;color:var(--text-sub)}

/* compare */
.compare-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.compare-scroll{overflow-x:auto}
table.compare{width:100%;border-collapse:collapse;min-width:760px}
table.compare th,table.compare td{padding:18px 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);vertical-align:middle}
table.compare thead th{position:sticky;top:0;background:var(--surface-alt);font-size:15px;color:var(--text);font-weight:700;z-index:2}
table.compare thead th:first-child{background:var(--surface-alt);position:sticky;left:0;z-index:3}
table.compare tbody th{font-weight:600;color:var(--text);position:sticky;left:0;background:#fff;z-index:1;border-right:1px solid var(--line)}
table.compare td{color:var(--text-sub)}
table.compare .col-hot{background:linear-gradient(180deg,rgba(108,76,241,.08),rgba(108,76,241,.02))}
table.compare thead .col-hot{background:linear-gradient(180deg,rgba(108,76,241,.16),rgba(108,76,241,.06))}
table.compare tr:last-child th,table.compare tr:last-child td{border-bottom:none}
.tick{display:inline-flex;align-items:center;gap:8px;color:var(--text);font-weight:600}
.tick i{color:var(--mint);font-size:14px}
.dash{color:var(--text-dis)}
.plan-cards{display:none;gap:16px}
.plan-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);position:relative}
.plan-card.is-hot{border-color:transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;border:1.5px solid transparent;box-shadow:var(--sh-2)}
.plan-card h3{font-size:20px;margin-bottom:6px}
.plan-card .price{font-size:14px;color:var(--text-sub);margin-bottom:16px}
.plan-rows{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.plan-rows li{display:flex;justify-content:space-between;gap:12px;font-size:14px;border-bottom:1px dashed var(--line);padding-bottom:10px}
.plan-rows li span:first-child{color:var(--text-sub)}
.plan-rows li span:last-child{font-weight:600;color:var(--text);text-align:right}

/* bento */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.bento-card{border-radius:var(--r-lg);padding:28px;border:1px solid var(--line);background:var(--surface);box-shadow:var(--sh-1);
  display:flex;flex-direction:column;gap:14px;transition:transform .2s ease-out,box-shadow .2s ease-out;position:relative;overflow:hidden}
.bento-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.bento-card::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);opacity:0;transition:opacity .2s ease-out}
.bento-card:hover::after{opacity:1}
.bento-card.soft{background:rgba(108,76,241,.04)}
.bento-a{grid-column:span 7}
.bento-b{grid-column:span 5}
.bento-c{grid-column:span 5}
.bento-d{grid-column:span 7}
.bento-card h3{font-size:22px}
.bento-card .points{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.bento-card .points li{display:flex;gap:10px;font-size:15px;color:var(--text-sub)}
.bento-card .points i{color:var(--mint);margin-top:6px}
.bento-badge{align-self:flex-start}

/* content preview */
.preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .2s ease-out,box-shadow .2s ease-out;position:relative}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.card::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);opacity:0;transition:opacity .2s ease-out}
.card:hover::after{opacity:1}
.card-media{overflow:hidden;border-radius:var(--r-lg) var(--r-lg) 0 0}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease-out}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:19px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:15px;color:var(--text-sub);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-sub)}
.card-meta .badge{height:26px;font-size:12px;padding:0 12px}
.preview-wide{margin-top:20px;display:grid;grid-template-columns:1.2fr 1fr;gap:0;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out}
.preview-wide:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.preview-wide .card-media{border-radius:0}
.preview-wide .card-media img{height:100%;aspect-ratio:16/9}
.preview-wide .card-body{justify-content:center;gap:14px;padding:32px}

/* cms news */
.news-list{display:grid;gap:16px}
.news-item{display:grid;grid-template-columns:200px 1fr;gap:20px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.news-item .thumb{border-radius:var(--r-md);overflow:hidden;background:var(--surface-alt)}
.news-item .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover}
.news-item h3{font-size:20px;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item p{font-size:15px;color:var(--text-sub);margin:0 0 14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-item .meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--text-sub)}
.news-item .read{margin-left:auto;color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.news-item .read::after{content:"\f061";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px}
.empty-state{background:var(--surface);border:1px dashed var(--line-strong);border-radius:var(--r-lg);padding:48px 24px;text-align:center}
.empty-state i{font-size:26px;color:var(--brand);margin-bottom:14px;display:block}
.empty-state p{color:var(--text-sub);margin:0 0 20px}

/* faq */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:start}
.faq-intro h2{margin-bottom:14px}
.faq-intro p{color:var(--text-sub);font-size:15px}
.faq-list{display:grid;gap:14px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;position:relative}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 56px 20px 24px;font-size:17px;font-weight:600;position:relative;transition:background-color .2s ease-out}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:var(--brand);
  position:absolute;right:24px;top:50%;transform:translateY(-50%) rotate(0deg);transition:transform .2s ease-out}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg)}
.faq-item[open] summary{background:var(--brand-soft)}
.faq-item[open]::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:4px;background:var(--grad)}
.faq-answer{padding:16px 24px;font-size:15px;line-height:1.9;color:var(--text-sub)}

/* cta */
.cta-band{background:var(--ink);color:var(--ink-soft);border-radius:var(--r-lg);padding:56px 64px;position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.cta-band::before{content:"";position:absolute;right:-80px;bottom:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(108,76,241,.55),rgba(108,76,241,0) 70%)}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:var(--ink-muted);margin-bottom:20px;font-size:15px}
.cta-band .badges{display:flex;flex-wrap:wrap;gap:10px}
.cta-band .badges .badge{background:rgba(255,255,255,.1);color:var(--ink-soft)}
.cta-form{display:flex;gap:12px;position:relative;z-index:1}
.cta-form input{flex:1;height:48px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);
  color:#fff;padding:0 16px;transition:border-color .18s ease-out,box-shadow .18s ease-out}
.cta-form input::placeholder{color:rgba(237,235,247,.5)}
.cta-form input:focus{outline:none;border-color:var(--brand-light);box-shadow:0 0 0 4px rgba(108,76,241,.25)}
.cta-note{font-size:13px;color:var(--ink-muted);margin-top:14px}
.cta-right{position:relative;z-index:1;display:flex;flex-direction:column;gap:14px}

/* footer */
.site-footer{background:var(--ink);color:var(--ink-soft);padding:72px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo-text b{color:#fff}
.footer-brand .logo-text small{color:var(--ink-muted)}
.footer-brand p{color:var(--ink-muted);font-size:14px;margin:18px 0 20px;max-width:320px}
.footer-brand .badges{display:flex;flex-wrap:wrap;gap:10px}
.footer-brand .badges .badge{background:rgba(255,255,255,.08);color:var(--ink-soft)}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.footer-links a{font-size:15px;color:var(--ink-muted);display:inline-block;transition:color .2s ease-out,transform .2s ease-out}
.footer-links a:hover{color:var(--mint);transform:translateX(2px)}
.footer-note{font-size:14px;color:var(--ink-muted);display:grid;gap:10px}
.footer-note strong{color:var(--ink-soft);font-weight:600}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:var(--ink-muted)}

/* responsive */
@media (min-width:1440px){
  .container{max-width:1280px}
  .hero .grid-x>.cell.large-7{width:50%}
  .hero .grid-x>.cell.large-5{width:50%}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  h1,.hero h1{font-size:34px}
  h2{font-size:26px}
  .nav-links{overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none;-ms-overflow-style:none;max-width:100%}
  .nav-links::-webkit-scrollbar{display:none}
  .mega-panel{grid-template-columns:1fr 1fr;width:min(680px,calc(100vw - 40px))}
  .mega-panel .mega-col:last-child{grid-column:span 2}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .bento-a,.bento-b,.bento-c,.bento-d{grid-column:span 6}
  .preview-grid{grid-template-columns:repeat(2,1fr)}
  .preview-wide{grid-template-columns:1fr}
  .faq-layout{grid-template-columns:1fr;gap:24px}
  .cta-band{padding:40px;grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .nav-links{display:none}
  .mega-panel{display:none}
  .announce .quick{display:none}
  .hero-media img{aspect-ratio:16/10}
  .news-item{grid-template-columns:1fr}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  h1,.hero h1{font-size:28px;line-height:1.3}
  h2{font-size:24px}
  h3{font-size:19px}
  .hero{padding:48px 0}
  .stat-band{grid-template-columns:repeat(2,1fr);gap:14px}
  .stat-cell{padding:20px}
  .stat-cell .num{font-size:26px}
  .compare-wrap{display:none}
  .plan-cards{display:grid}
  .bento-a,.bento-b,.bento-c,.bento-d{grid-column:span 12}
  .preview-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 24px;border-radius:var(--r-md)}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .hero-float{padding:12px 14px;gap:10px}
  .hero-float .num{font-size:22px}
  .hero-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --brand:#6C4CF1;
  --brand-2:#8A5CF6;
  --brand-3:#4E33C4;
  --mint:#25D0B0;
  --amber:#FFC53D;
  --coral:#FF5C7A;
  --bg:#FAF9FE;
  --surface:#FFFFFF;
  --surface-2:#F3F1FB;
  --surface-3:#F6F3FF;
  --dark:#17161F;
  --dark-ink:#EDEBF7;
  --dark-ink-2:#A9A5C0;
  --ink:#1F1E2A;
  --ink-2:#6B6A7B;
  --ink-3:#A6A4B4;
  --line:#E8E6F2;
  --line-strong:rgba(108,76,241,.35);
  --grad:linear-gradient(120deg,#6C4CF1 0%,#8A5CF6 55%,#25D0B0 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 4px 16px rgba(23,22,31,.06);
  --sh-2:0 14px 40px rgba(108,76,241,.14);
  --sh-hover:0 4px 16px rgba(23,22,31,.06),0 8px 28px rgba(108,76,241,.18);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:40px;
  --sp-5:64px;
  --sp-6:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--brand)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:0;line-height:1.35}
p{margin:0}
b,strong{font-weight:700}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.skip-link{
  position:absolute;left:-9999px;top:0;padding:10px 18px;background:var(--brand);color:#fff;
  border-radius:0 0 10px 0;z-index:99;
}
.skip-link:focus{left:0;color:#fff}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 24px}}
@media (min-width:1440px){.container{max-width:1280px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);padding:14px 28px;font-size:16px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(108,76,241,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 34px rgba(108,76,241,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-primary[disabled],.btn-primary.is-disabled{filter:saturate(.6);opacity:.7;cursor:not-allowed;transform:none}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--brand)}
.btn-ghost:hover{background:#F2EEFF;color:var(--brand-3)}
.btn-dark{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-dark:hover{background:#fff;color:var(--dark)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;background:rgba(108,76,241,.08);color:var(--brand);
}
.tag-mint{background:rgba(37,208,176,.12);color:#128A73}
.tag-amber{background:rgba(255,197,61,.2);color:#8A5B00}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--r-pill);
  font-size:13px;background:rgba(108,76,241,.08);color:var(--brand);line-height:1.2;
}
.badge-amber{background:rgba(255,197,61,.18);color:#8A5B00}
.badges{display:flex;flex-wrap:wrap;gap:8px}
.dot-sep{width:4px;height:4px;border-radius:50%;background:var(--ink-3);display:inline-block;vertical-align:middle}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.scrolled{box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .2s ease-out}
.site-header.scrolled .header-inner{height:64px}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{
  position:relative;width:36px;height:36px;border-radius:12px;background:var(--grad);
  box-shadow:0 6px 18px rgba(108,76,241,.3);flex:0 0 auto;
}
.logo-mark::after{
  content:"";position:absolute;inset:9px;border-radius:5px;background:rgba(255,255,255,.9);
}
.logo-text{display:block}
.logo-text b{display:block;font-size:17px;line-height:1.2;color:var(--ink)}
.logo-text small{display:block;font-size:12px;line-height:1.5;color:var(--ink-3)}
.main-nav{flex:1 1 auto;min-width:0}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links li{flex:0 0 auto}
.nav-links a{
  position:relative;display:inline-block;padding:10px 14px;border-radius:var(--r-sm);
  font-size:15px;color:var(--ink-2);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:3px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.nav-links a:hover{color:var(--brand);background:#F7F4FF}
.nav-links a.active{color:var(--brand);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}

/* ---------- Mega 面板 ---------- */
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;padding:10px 16px;border-radius:var(--r-pill);
  background:#F6F4FE;border:1px solid var(--line);color:var(--ink-2);font-size:14px;cursor:pointer;
  transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out;
}
.mega-trigger:hover{color:var(--brand);border-color:var(--line-strong)}
.caret{width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .2s ease-out}
.mega-wrap.open .caret,.mega-wrap:hover .caret{transform:rotate(225deg) translateY(-1px)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:min(900px,calc(100vw - 40px));
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2);
  padding:24px;display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .18s ease-out,transform .18s ease-out,visibility .18s;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel,
.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:13px;font-weight:700;color:var(--ink-3);letter-spacing:.04em;margin-bottom:14px}
.mega-list li + li{margin-top:10px}
.mega-list a{font-size:15px;color:var(--ink-2)}
.mega-list a:hover{color:var(--brand)}
.mega-post{display:block;padding:10px 0;border-bottom:1px dashed var(--line)}
.mega-post:last-child{border-bottom:0}
.mega-post b{display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.6}
.mega-post span{font-size:12px;color:var(--ink-3)}
.mega-card{
  display:flex;flex-direction:column;justify-content:space-between;gap:16px;
  padding:20px;border-radius:var(--r-md);background:var(--grad);color:#fff;min-height:180px;
}
.mega-card b{font-size:17px;line-height:1.5;color:#fff}
.mega-card p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.86);margin-top:6px}
.mega-card .arrow{font-size:20px;color:#fff}
.mega-card:hover{color:#fff;box-shadow:var(--sh-2)}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:nowrap;overflow:hidden;
  padding-top:24px;font-size:14px;color:var(--ink-2);
}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--ink-3)}
.breadcrumb .crumb-current{
  max-width:52%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--ink-3);
}

/* ---------- 文章头部 ---------- */
.article-head{padding:24px 0 32px;border-bottom:1px solid var(--line);background:#fff}
.article-head h1{font-size:34px;line-height:1.35;margin:16px 0 18px;max-width:900px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:var(--ink-2)}
.article-cover{margin:32px 0 0}
.article-cover img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-1);
}

/* ---------- 主体布局 ---------- */
.article-layout{padding:48px 0 0}
.article-main{min-width:0}
.article-body{
  max-width:800px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px 28px;box-shadow:var(--sh-1);font-size:17px;line-height:1.9;color:var(--ink);
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{font-size:26px;line-height:1.4;margin:40px 0 16px}
.article-body h2::before{
  content:"";display:block;width:56px;height:8px;border-radius:4px;background:var(--grad);margin-bottom:14px;
}
.article-body h3{font-size:20px;line-height:1.5;margin:28px 0 12px;color:var(--ink)}
.article-body h4{font-size:18px;margin:22px 0 10px}
.article-body ul{margin:0 0 1.1em}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:8px;line-height:1.8}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:12px;width:8px;height:8px;border-radius:50%;background:var(--mint);
}
.article-body ol{list-style:decimal;padding-left:24px;margin:0 0 1.1em}
.article-body ol li{margin-bottom:8px;line-height:1.8}
.article-body blockquote{
  margin:24px 0;padding:20px 24px;background:var(--surface-3);border-left:4px solid var(--brand);
  border-radius:0 var(--r-md) var(--r-md) 0;color:var(--ink-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:24px 0}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;background:#fff}
.article-body th{
  background:var(--surface-2);text-align:left;padding:12px 14px;font-weight:600;
  border-bottom:1px solid var(--line);color:var(--ink);
}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--ink-2)}
.article-body pre{
  background:#F5F4FA;border:1px solid var(--line);border-radius:12px;padding:16px;
  overflow:auto;font-size:14px;line-height:1.7;margin:20px 0;
}
.article-body code{background:var(--surface-2);border-radius:6px;padding:2px 6px;font-size:.92em}
.article-body pre code{background:none;padding:0}
.article-body a{color:var(--brand);border-bottom:2px solid rgba(108,76,241,.28)}
.article-body a:hover{color:var(--brand-3);border-bottom-color:var(--brand-3)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:48px 24px;border:1px dashed var(--line-strong);border-radius:var(--r-md);
  background:#FCFBFF;
}
.empty-icon{
  width:48px;height:48px;margin:0 auto 16px;border-radius:50%;background:rgba(108,76,241,.1);
  color:var(--brand);font-size:22px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--ink-2);max-width:460px;margin:0 auto 20px;font-size:15px}

/* ---------- 标签行 ---------- */
.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:24px;padding-top:20px;
  border-top:1px dashed var(--line);
}
.article-tags span.label{font-size:14px;color:var(--ink-3)}

/* ---------- 侧栏 ---------- */
.article-side{min-width:0}
.side-sticky{display:flex;flex-direction:column;gap:20px}
.side-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);
}
.side-box h3{font-size:17px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-box h3::before{
  content:"";width:10px;height:10px;border-radius:3px;background:var(--grad);flex:0 0 auto;
}
.toc-empty{
  padding:16px;border-radius:var(--r-md);background:var(--surface-2);color:var(--ink-2);
  font-size:14px;line-height:1.7;text-align:center;
}
.side-list li + li{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line)}
.side-list a{display:block;font-size:15px;line-height:1.6;color:var(--ink)}
.side-list a:hover{color:var(--brand)}
.side-list span{display:block;font-size:12px;color:var(--ink-3);margin-top:4px}
.side-back{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand);
}
.side-back:hover{color:var(--brand-3)}

/* ---------- 相关推荐 ---------- */
.related{padding:64px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-head h2{font-size:26px}
.section-head p{font-size:14px;color:var(--ink-2);margin-top:6px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease-out;z-index:2;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--line-strong)}
.card:hover::before{transform:scaleX(1)}
.card-media{overflow:hidden}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-body h3{font-size:18px;line-height:1.5}
.card-body p{
  font-size:14px;line-height:1.75;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);margin-top:auto;padding-top:6px}
.card-meta .arrow{margin-left:auto;color:var(--brand);font-weight:700}

/* ---------- 上下篇 ---------- */
.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:40px}
.post-nav a{
  display:block;padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.post-nav a:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--line-strong);color:var(--ink)}
.post-nav small{display:block;font-size:13px;color:var(--ink-3);margin-bottom:6px}
.post-nav b{font-size:16px;line-height:1.6;display:block}
.post-nav .next{text-align:right}
.back-center{display:flex;justify-content:center;margin-top:32px}

/* ---------- FAQ ---------- */
.faq-section{padding:72px 0 0}
.faq-list{display:grid;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);
  overflow:hidden;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--sh-hover)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px 18px 26px;font-size:17px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:10px;top:14px;bottom:14px;width:4px;border-radius:4px;
  background:var(--grad);opacity:0;transition:opacity .2s ease-out;
}
.faq-item[open] summary::before{opacity:1}
.faq-item summary::after{
  content:"";width:9px;height:9px;border-right:2px solid var(--ink-3);border-bottom:2px solid var(--ink-3);
  transform:rotate(45deg);transition:transform .2s ease-out;flex:0 0 auto;margin-top:-4px;
}
.faq-item[open] summary::after{transform:rotate(225deg);margin-top:4px;border-color:var(--brand)}
.faq-answer{padding:0 22px 18px 26px;font-size:15px;line-height:1.9;color:var(--ink-2)}

/* ---------- CTA ---------- */
.cta-band{margin-top:80px}
.cta-inner{
  position:relative;overflow:hidden;background:var(--dark);border-radius:var(--r-lg);
  padding:48px 40px;color:var(--dark-ink);
  display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;
}
.cta-inner::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,76,241,.55) 0%,rgba(37,208,176,.18) 45%,rgba(23,22,31,0) 72%);
  pointer-events:none;
}
.cta-inner h2{font-size:28px;color:#fff;margin-bottom:12px}
.cta-inner p{font-size:15px;line-height:1.9;color:var(--dark-ink-2);max-width:520px}
.cta-form{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}
.cta-form input{
  flex:1 1 220px;height:48px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.06);color:#fff;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.cta-form input::placeholder{color:rgba(237,235,247,.55)}
.cta-form input:focus{outline:none;border-color:var(--mint);box-shadow:0 0 0 4px rgba(37,208,176,.18)}
.cta-note{font-size:13px;color:var(--dark-ink-2);margin-top:14px;position:relative;z-index:1}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--dark-ink-2);margin-top:88px;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo-text b{color:#fff}
.footer-brand .logo-text small{color:var(--dark-ink-2)}
.footer-brand p{font-size:14px;line-height:1.9;margin:18px 0 18px;max-width:320px}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:18px}
.footer-links li + li{margin-top:12px}
.footer-links a{font-size:15px;color:var(--dark-ink-2);display:inline-block;transition:color .18s ease-out,transform .18s ease-out}
.footer-links a:hover{color:var(--mint);transform:translateX(-2px)}
.footer-note{display:flex;flex-direction:column;gap:10px;font-size:14px;line-height:1.7}
.footer-note strong{color:#fff;font-weight:600}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--dark-ink-2);
}
.site-footer .badge{background:rgba(237,235,247,.08);color:var(--dark-ink)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .main-nav{
    order:3;flex:1 1 100%;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;
    padding-bottom:4px;
    -webkit-mask-image:linear-gradient(90deg,#000 88%,transparent 100%);
    mask-image:linear-gradient(90deg,#000 88%,transparent 100%);
  }
  .main-nav::-webkit-scrollbar{display:none}
  .nav-links{flex-wrap:nowrap}
  .header-inner{height:auto;padding:12px 0;flex-wrap:wrap;gap:14px}
  .site-header.scrolled .header-inner{height:auto}
  .mega-panel{display:none}
  .article-head h1{font-size:28px}
  .article-body{font-size:16px;padding:24px 20px}
  .cta-inner{grid-template-columns:1fr;padding:36px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:639px){
  .header-inner{gap:10px}
  .logo-mark{width:32px;height:32px;border-radius:10px}
  .logo-text b{font-size:15px}
  .logo-text small{display:none}
  .header-actions{margin-left:auto;gap:8px}
  .mega-trigger{display:none}
  .btn-sm{padding:9px 16px;font-size:13px}
  .breadcrumb{padding-top:16px;font-size:13px}
  .breadcrumb .crumb-current{max-width:44%}
  .article-head{padding:16px 0 24px}
  .article-head h1{font-size:22px;margin:12px 0 14px}
  .article-layout{padding:32px 0 0}
  .article-body{padding:20px 16px;border-radius:var(--r-md)}
  .article-body h2{font-size:22px;margin:32px 0 14px}
  .article-body h3{font-size:18px}
  .related{padding:48px 0 0}
  .card-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .post-nav .next{text-align:left}
  .faq-section{padding:48px 0 0}
  .cta-band{margin-top:56px}
  .cta-inner{padding:28px 20px;border-radius:var(--r-md)}
  .cta-inner h2{font-size:22px}
  .cta-form{flex-direction:column}
  .cta-form input{flex:1 1 auto;width:100%}
  .cta-form .btn{width:100%}
  .site-footer{padding-top:48px;margin-top:56px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section-head{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
  .card:hover,.btn-primary:hover,.post-nav a:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --brand:#6C4CF1;
  --brand-light:#8A5CF6;
  --brand-dark:#4E33C4;
  --mint:#25D0B0;
  --amber:#FFC53D;
  --coral:#FF5C7A;
  --bg:#FAF9FE;
  --surface:#FFFFFF;
  --surface-2:#F3F1FB;
  --dark:#17161F;
  --dark-text:#EDEBF7;
  --dark-text-2:#A9A5C0;
  --text:#1F1E2A;
  --text-2:#6B6A7B;
  --text-3:#A6A4B4;
  --line:#E8E6F2;
  --line-strong:rgba(108,76,241,.35);
  --grad:linear-gradient(120deg,#6C4CF1 0%,#8A5CF6 55%,#25D0B0 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 4px 16px rgba(23,22,31,.06);
  --sh-2:0 14px 40px rgba(108,76,241,.14);
  --sh-hover:0 8px 28px rgba(108,76,241,.18);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:40px;
  --sp-5:64px;
  --sp-6:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--brand)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,dl,dd,figure{margin:0}
h1,h2,h3,h4{letter-spacing:0;line-height:1.35;font-weight:700;color:var(--text)}
p{letter-spacing:.01em}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(108,76,241,.18)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{font-size:32px;margin-bottom:14px}
.section-head p{font-size:16px;color:var(--text-2);line-height:1.85}
.eyebrow-label{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(108,76,241,.08);color:var(--brand);
  font-size:13px;font-weight:600;margin-bottom:16px;
}
.fgrid{row-gap:24px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.scrolled{box-shadow:var(--sh-1)}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:72px;transition:height .2s ease-out;
}
.site-header.scrolled .header-inner{height:64px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:24px;height:24px;border-radius:8px;background:var(--grad);
  box-shadow:0 4px 12px rgba(108,76,241,.35);flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:17px;font-weight:700;color:var(--text)}
.logo-text small{font-size:11px;color:var(--text-2);letter-spacing:.02em;margin-top:2px}
.main-nav{flex:1;display:flex;justify-content:center;min-width:0}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links li{flex:0 0 auto}
.nav-links a{
  position:relative;display:inline-block;padding:4px 0;
  font-size:15px;font-weight:500;color:var(--text-2);white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;
  border-radius:var(--r-pill);background:var(--grad);
  opacity:0;transform:scaleX(.6);
  transition:opacity .2s ease-out,transform .2s ease-out;
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after,.nav-links a.active::after{opacity:1;transform:scaleX(1)}
.nav-links a.active{color:var(--brand);font-weight:600}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}

/* ---------- Mega menu ---------- */
.mega-wrap{position:relative}
.mega-wrap::after{content:"";position:absolute;left:0;right:0;top:100%;height:18px}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  color:var(--text-2);font-size:14px;font-weight:500;cursor:pointer;
  transition:border-color .2s ease-out,color .2s ease-out,background .2s ease-out;
}
.mega-trigger:hover{border-color:var(--line-strong);color:var(--brand);background:#F7F4FF}
.mega-trigger i{font-size:11px;transition:transform .2s ease-out}
.mega-wrap:hover .mega-trigger i,
.mega-wrap:focus-within .mega-trigger i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 18px);right:0;
  width:min(880px,calc(100vw - 48px));
  padding:26px;border:1px solid var(--line);border-radius:var(--r-lg);
  background:#fff;box-shadow:var(--sh-2);
  display:grid;grid-template-columns:1.05fr 1.15fr .95fr;gap:26px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .18s ease-out,transform .18s ease-out,visibility .18s ease;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:13px;font-weight:600;color:var(--text-3);letter-spacing:.04em;margin-bottom:14px}
.mega-links li+li{margin-top:10px}
.mega-links a{font-size:14px;color:var(--text-2);display:inline-block;transition:color .2s ease-out,transform .2s ease-out}
.mega-links a:hover{color:var(--brand);transform:translateX(3px)}
.mega-news li+li{margin-top:14px}
.mega-news a{display:block;font-size:14px;color:var(--text);line-height:1.6}
.mega-news a:hover{color:var(--brand)}
.mega-news span{display:block;font-size:12px;color:var(--text-3);margin-top:4px}
.mega-card{
  display:flex;flex-direction:column;gap:10px;height:100%;
  padding:18px;border-radius:18px;
  background:linear-gradient(120deg,rgba(108,76,241,.10),rgba(37,208,176,.10));
  border:1px solid var(--line-strong);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.mega-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);color:inherit}
.mega-card img{border-radius:12px;aspect-ratio:16/9;object-fit:cover;width:100%}
.mega-card strong{font-size:15px}
.mega-card span{font-size:13px;color:var(--text-2);line-height:1.6}
.mega-card span i{margin-left:4px;font-size:11px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;font-size:16px;font-weight:600;
  padding:14px 28px;border-radius:var(--r-pill);text-align:center;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn:disabled,.btn.is-disabled{filter:saturate(40%);cursor:not-allowed}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-hover)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;color:var(--brand);border:1.5px solid var(--line-strong);box-shadow:none}
.btn-outline:hover{background:#F2EEFF;color:var(--brand-dark)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6)}
.btn-ghost:hover{background:#fff;color:var(--dark)}
.btn-sm{padding:10px 20px;font-size:15px}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;padding:56px 0 56px;overflow:hidden;
  background-image:
    linear-gradient(120deg,rgba(78,51,196,.94) 0%,rgba(108,76,241,.86) 48%,rgba(37,208,176,.82) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:360px;height:360px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,197,61,.32),rgba(255,197,61,0) 70%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:rgba(255,255,255,.78);margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.9)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.6}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.4);
  color:#fff;font-size:13px;font-weight:600;
}
.page-hero h1{
  margin-top:18px;font-size:44px;line-height:1.25;color:#fff;max-width:16em;
}
.page-hero .lead{
  margin-top:18px;font-size:17px;line-height:1.85;
  color:rgba(255,255,255,.9);max-width:38em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.page-hero .btn-primary{background:#fff;color:var(--brand-dark);box-shadow:0 10px 30px rgba(23,22,31,.18)}
.page-hero .btn-primary:hover{background:#fff;color:var(--brand-dark)}

/* ---------- Stat band ---------- */
.stat-band{background:var(--surface-2);padding:64px 0}
.stat-card{
  position:relative;overflow:hidden;height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;justify-content:center;
}
.stat-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);
}
.stat-num{
  font-size:32px;font-weight:700;line-height:1.2;
  font-variant-numeric:tabular-nums;color:var(--brand);
}
.stat-num.is-amber{color:#C99400}
.stat-label{display:block;font-size:13px;color:var(--text-2);margin-top:6px;line-height:1.6}

/* ---------- Plan compare ---------- */
.plan-card{
  position:relative;height:100%;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.plan-card.is-featured{
  border-color:var(--line-strong);box-shadow:var(--sh-2);
  background:linear-gradient(180deg,rgba(108,76,241,.06),#fff 34%);
}
.plan-tag{
  position:absolute;top:-13px;right:24px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:var(--amber);color:#5A4200;font-size:13px;font-weight:700;
  box-shadow:0 6px 18px rgba(255,197,61,.4);
}
.plan-head h3{font-size:22px}
.plan-head p{font-size:14px;color:var(--text-2);margin-top:8px;line-height:1.7}
.plan-list{display:grid;gap:14px;margin:26px 0 28px}
.plan-list>div{
  display:flex;justify-content:space-between;align-items:flex-start;gap:16px;
  padding-bottom:14px;border-bottom:1px dashed var(--line);
}
.plan-list>div:last-child{border-bottom:0;padding-bottom:0}
.plan-list dt{font-size:14px;color:var(--text-2);flex:0 0 auto}
.plan-list dd{font-size:14px;font-weight:600;text-align:right;color:var(--text)}
.plan-card .btn{width:100%;margin-top:auto}

/* ---------- Tier meter ---------- */
.tier-meter{
  margin-top:40px;padding:28px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-1);
}
.tier-meter-head{
  display:flex;justify-content:space-between;
  font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:14px;
}
.tier-meter-bar{
  height:10px;border-radius:var(--r-pill);background:var(--surface-2);overflow:hidden;
}
.tier-meter-bar span{display:block;height:100%;width:82%;border-radius:var(--r-pill);background:var(--grad)}
.tier-meter p{font-size:14px;color:var(--text-2);margin-top:14px;line-height:1.75}

/* ---------- Rights cards ---------- */
.rights-section{background:var(--surface-2)}
.right-card{
  height:100%;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.right-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.right-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;margin-bottom:16px;
  background:rgba(108,76,241,.10);color:var(--brand);font-size:18px;
}
.right-icon.is-mint{background:rgba(37,208,176,.14);color:#118F78}
.right-icon.is-amber{background:rgba(255,197,61,.22);color:#8A6400}
.right-card h3{font-size:18px;margin-bottom:10px}
.right-card p{font-size:15px;color:var(--text-2);line-height:1.8}

/* ---------- Scenario ---------- */
.scenario-figure{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.scenario-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.scenario-copy h2{font-size:32px;margin-bottom:16px}
.scenario-copy p{font-size:16px;color:var(--text-2);line-height:1.85}
.check-list{display:grid;gap:14px;margin-top:26px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.8}
.check-list i{color:var(--mint);margin-top:6px;font-size:14px;flex:0 0 auto}
.check-list b{font-weight:600}

/* ---------- Notice bar ---------- */
.notice-bar{
  display:flex;gap:14px;align-items:flex-start;
  padding:22px 24px;border-radius:var(--r-md);
  background:#F2EEFF;border:1px solid var(--line-strong);
}
.notice-bar i{color:var(--brand);font-size:16px;margin-top:6px;flex:0 0 auto}
.notice-bar p{font-size:15px;color:var(--text-2);line-height:1.8;margin:0}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color .2s ease-out,background .2s ease-out;
}
.faq-item[open]{
  border-color:var(--line-strong);
  background:linear-gradient(90deg,rgba(108,76,241,.05),#fff 26%);
  box-shadow:0 4px 12px rgba(108,76,241,.05);
}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary i{font-size:13px;color:var(--text-3);transition:transform .2s ease-out;flex:0 0 auto}
.faq-item[open] summary{color:var(--brand)}
.faq-item[open] summary i{transform:rotate(180deg);color:var(--brand)}
.faq-answer{padding:0 24px 20px;position:relative}
.faq-answer::before{
  content:"";position:absolute;left:0;top:2px;bottom:20px;width:4px;
  border-radius:0 4px 4px 0;background:var(--grad);
}
.faq-answer p{font-size:15px;line-height:1.9;color:var(--text-2)}

/* ---------- CTA ---------- */
.opening-cta{
  position:relative;overflow:hidden;background:var(--dark);color:var(--dark-text);
}
.opening-cta::after{
  content:"";position:absolute;left:-120px;bottom:-180px;width:420px;height:420px;
  border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(108,76,241,.55),rgba(108,76,241,0) 70%);
}
.cta-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:72px 0;
}
.cta-copy h2{color:#fff;font-size:32px;margin-bottom:16px}
.cta-copy p{color:var(--dark-text-2);font-size:16px;line-height:1.85;max-width:34em}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(108,76,241,.10);color:var(--brand);
  font-size:13px;font-weight:600;
}
.opening-cta .badge{background:rgba(255,255,255,.10);color:#D8D4EE}
.cta-form label{
  display:block;font-size:14px;font-weight:600;color:#D8D4EE;margin-bottom:10px;
}
.field-row{display:flex;gap:12px}
.field-row input{
  flex:1;min-width:0;height:48px;padding:0 16px;
  border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);color:#fff;font-size:15px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.field-row input::placeholder{color:rgba(255,255,255,.45)}
.field-row input:focus{
  outline:none;border-color:var(--brand-light);
  box-shadow:0 0 0 4px rgba(108,76,241,.24);
}
.form-hint{font-size:13px;color:var(--dark-text-2);margin-top:12px}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:var(--dark-text-2);padding-top:72px}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:56px;
}
.footer-brand .logo-text b{color:#fff}
.footer-brand .logo-text small{color:var(--dark-text-2)}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:18px;max-width:26em;color:var(--dark-text-2)}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer-links{display:grid;gap:12px}
.footer-links a{
  font-size:15px;color:#B9B4D2;display:inline-block;
  transition:color .2s ease-out,transform .2s ease-out;
}
.footer-links a:hover{color:var(--mint);transform:translateX(2px)}
.footer-note{display:grid;gap:12px;font-size:14px;line-height:1.75;color:#B9B4D2}
.footer-note strong{color:#EDEBF7;font-weight:600}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;color:#8E89A8;
}

/* ---------- Responsive ---------- */
@media (min-width:1440px){
  .container{max-width:1280px}
}
@media (max-width:1200px){
  .mega-panel{width:min(760px,calc(100vw - 40px));grid-template-columns:1fr 1fr;gap:22px}
  .mega-panel .mega-col:last-child{grid-column:1 / -1}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .section-head{margin-bottom:36px}
  .section-head h2{font-size:28px}
  .page-hero h1{font-size:34px}
  .scenario-copy h2{font-size:28px}
  .cta-inner{grid-template-columns:1fr;gap:36px;padding:60px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:1023px){
  .main-nav{
    order:3;flex:1 1 100%;overflow-x:auto;justify-content:flex-start;
    -ms-overflow-style:none;scrollbar-width:none;
    -webkit-mask-image:linear-gradient(90deg,#000 0,#000 88%,transparent 100%);
    mask-image:linear-gradient(90deg,#000 0,#000 88%,transparent 100%);
  }
  .main-nav::-webkit-scrollbar{display:none}
  .header-inner{flex-wrap:wrap;height:auto;padding:12px 0;row-gap:8px}
  .site-header.scrolled .header-inner{height:auto}
  .nav-links{gap:20px;padding:2px 0 6px}
  .header-actions{margin-left:auto}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .stat-band{padding:48px 0}
  .page-hero{padding:40px 0 44px}
  .page-hero h1{font-size:28px;line-height:1.3}
  .page-hero .lead{font-size:16px}
  .section-head h2,.cta-copy h2,.scenario-copy h2{font-size:24px}
  .plan-card{padding:22px}
  .plan-list>div{flex-direction:column;gap:4px}
  .plan-list dd{text-align:left}
  .hero-actions .btn{width:100%}
  .field-row{flex-direction:column}
  .field-row .btn{width:100%}
  .mega-panel{
    position:fixed;left:16px;right:16px;top:auto;width:auto;
    grid-template-columns:1fr;max-height:70vh;overflow-y:auto;
  }
  .mega-card{flex-direction:row;align-items:center;gap:14px}
  .mega-card img{width:88px;flex:0 0 auto;aspect-ratio:1/1}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .logo-text small{display:none}
  .stat-num{font-size:26px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .btn:hover,.right-card:hover,.plan-card:hover,.mega-card:hover{transform:none}
}

.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-wrap.is-open .mega-trigger{border-color:var(--line-strong);color:var(--brand);background:#F7F4FF}

/* roulang page: category2 */
:root{
  --brand:#6C4CF1;
  --brand-light:#8A5CF6;
  --brand-dark:#4E33C4;
  --mint:#25D0B0;
  --amber:#FFC53D;
  --amber-ink:#B07A0A;
  --coral:#FF5C7A;
  --bg:#FAF9FE;
  --surface:#FFFFFF;
  --soft:#F3F1FB;
  --ink:#1F1E2A;
  --ink-2:#6B6A7B;
  --ink-3:#A6A4B4;
  --dark:#17161F;
  --dark-text:#EDEBF7;
  --dark-sub:#A9A5C0;
  --line:#E8E6F2;
  --line-strong:rgba(108,76,241,.35);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 4px 16px rgba(23,22,31,.06);
  --sh-2:0 14px 40px rgba(108,76,241,.14);
  --sh-hover:0 8px 28px rgba(108,76,241,.18);
  --grad:linear-gradient(120deg,#6C4CF1,#8A5CF6,#25D0B0);
  --grad-soft:linear-gradient(120deg,rgba(108,76,241,.09),rgba(37,208,176,.09));
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;height:auto;display:block;border-radius:inherit;}
a{color:inherit;text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out;}
a:hover{color:var(--brand);}
button,input{font-family:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:0;color:var(--ink);line-height:1.35;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;}
strong{font-weight:700;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1440px){
  .container{max-width:1280px;}
}

/* 顶部公告条 */
.topbar{
  background:var(--dark);
  color:var(--dark-sub);
  font-size:13px;
  height:36px;
  display:flex;
  align-items:center;
  overflow:hidden;
}
.topbar .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.notice{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
  flex:1;
}
.notice .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--mint);
  flex:none;
  box-shadow:0 0 0 4px rgba(37,208,176,.18);
}
.notice-viewport{overflow:hidden;flex:1;min-width:0;}
.notice-track{display:flex;width:max-content;animation:marquee 36s linear infinite;}
.notice-track span{padding-right:72px;white-space:nowrap;}
@keyframes marquee{
  from{transform:translateX(0);}
  to{transform:translateX(-50%);}
}
.topbar-links{display:flex;align-items:center;gap:12px;flex:none;}
.topbar-links a{color:var(--dark-text);}
.topbar-links a:hover{color:var(--mint);}
.topbar-links .sep{width:1px;height:12px;background:rgba(255,255,255,.2);}

/* 导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
  transition:height .25s ease-out;
}
.site-header.is-scrolled .nav-inner{height:64px;}

.logo{display:flex;align-items:center;gap:12px;flex:none;}
.logo-mark{
  width:24px;height:24px;border-radius:8px;
  background:var(--grad);
  box-shadow:0 4px 12px rgba(108,76,241,.35);
  flex:none;
}
.logo-text{display:flex;flex-direction:column;line-height:1.16;}
.logo-text b{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:0;}
.logo-text small{font-size:11px;color:var(--ink-2);letter-spacing:.03em;}
.site-footer .logo-text b{color:var(--dark-text);}
.site-footer .logo-text small{color:var(--dark-sub);}

.nav-inner nav{flex:1;min-width:0;}
.nav-links{
  display:flex;
  align-items:center;
  gap:2px;
  list-style:none;
  margin:0;
  padding:0;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  white-space:nowrap;
}
.nav-links a:hover{color:var(--brand);background:#F7F5FF;}
.nav-links a.active{color:var(--brand);font-weight:700;}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:1px;
  height:3px;border-radius:3px;
  background:var(--grad);
}
.nav-cta{display:flex;align-items:center;gap:12px;flex:none;}

.mega-trigger-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:9px 16px;
  font-size:14px;
  color:var(--ink);
  transition:border-color .2s ease-out,color .2s ease-out,box-shadow .2s ease-out;
}
.mega-trigger:hover{border-color:var(--line-strong);color:var(--brand);box-shadow:var(--sh-1);}
.mega-trigger i{font-size:11px;transition:transform .2s ease-out;}
.mega-trigger-wrap:hover .mega-trigger i,
.mega-trigger-wrap:focus-within .mega-trigger i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;
  top:calc(100% + 14px);
  right:0;
  width:min(900px,calc(100vw - 48px));
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  padding:24px;
  display:grid;
  grid-template-columns:1.05fr 1fr 1fr;
  gap:24px;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .18s ease-out,transform .18s ease-out,visibility .18s ease-out;
}
.mega-trigger-wrap:hover .mega-panel,
.mega-trigger-wrap:focus-within .mega-panel{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.mega-col h5{
  font-size:13px;
  font-weight:600;
  color:var(--ink-3);
  letter-spacing:.04em;
  margin-bottom:14px;
}
.mega-list{list-style:none;display:grid;gap:10px;}
.mega-list a{font-size:14px;color:var(--ink-2);display:inline-block;}
.mega-list a:hover{color:var(--brand);}
.mega-post{display:grid;gap:12px;}
.mega-post a{font-size:14px;color:var(--ink);display:block;line-height:1.5;}
.mega-post a:hover{color:var(--brand);}
.mega-post span{display:block;font-size:12px;color:var(--ink-3);}
.mega-card{
  background:var(--grad-soft);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:18px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  gap:16px;
}
.mega-card h6{font-size:15px;font-weight:700;margin:0 0 8px;color:var(--ink);}
.mega-card p{font-size:13px;color:var(--ink-2);margin:0;}
.mega-card .go{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:none;
  border-radius:var(--r-pill);
  font-size:16px;
  font-weight:600;
  line-height:1.2;
  padding:14px 28px;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 6px 18px rgba(108,76,241,.28);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;
  color:var(--brand);
  border:1.5px solid var(--line-strong);
}
.btn-ghost:hover{background:#F2EEFF;color:var(--brand-dark);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-dark-ghost{
  background:transparent;
  color:#fff;
  border:1.5px solid rgba(255,255,255,.5);
}
.btn-dark-ghost:hover{background:#fff;color:var(--dark);}
.btn-label-short{display:none;}
.btn[disabled]{opacity:.6;cursor:not-allowed;}

.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:600;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(108,76,241,.08);
  color:var(--brand);
  line-height:1.6;
}
.pill-mint{background:rgba(37,208,176,.12);color:#12876F;}
.pill-amber{background:rgba(255,197,61,.2);color:var(--amber-ink);}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
}
.link-arrow i{transition:transform .2s ease-out;}
.link-arrow:hover i{transform:translateX(4px);}

/* 面包屑 */
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--ink-2);
  padding-top:24px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb span[aria-current]{color:var(--ink);font-weight:600;}

/* Hero 紧凑型 */
.hero-compact{
  position:relative;
  overflow:hidden;
  background:linear-gradient(120deg,rgba(108,76,241,.08),rgba(37,208,176,.06));
  border-bottom:1px solid var(--line);
}
.hero-compact::after{
  content:"";
  position:absolute;
  right:-140px;
  top:-160px;
  width:440px;
  height:440px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(108,76,241,.16),transparent 68%);
  pointer-events:none;
}
.hero-compact .container{position:relative;z-index:1;padding-bottom:44px;}
.hero-compact-inner{max-width:760px;padding-top:28px;}
.hero-compact h1{
  font-size:clamp(28px,4vw,40px);
  line-height:1.28;
  margin:16px 0 14px;
}
.hero-compact .sub{
  font-size:17px;
  color:var(--ink-2);
  max-width:620px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}

/* 板块 */
.section{padding:96px 0;}
.section-tight{padding:56px 0;}
.section-soft{background:var(--soft);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:12px;}
.section-head p{color:var(--ink-2);margin:0;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  background:rgba(108,76,241,.08);
  padding:6px 14px;
  border-radius:var(--r-pill);
  margin-bottom:14px;
}

/* 数据徽章带 */
.stat-card{
  position:relative;
  overflow:hidden;
  height:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.stat-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:var(--grad);
  opacity:0;
  transition:opacity .2s ease-out;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.stat-card:hover::before{opacity:1;}
.stat-num{
  font-size:32px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--brand);
  line-height:1.2;
}
.stat-num.amber{color:var(--amber-ink);}
.stat-label{font-size:13px;color:var(--ink-2);margin-top:6px;}

/* 对比卡 */
.compare-grid{margin-bottom:0;}
.compare-card{
  position:relative;
  height:100%;
  display:flex;
  flex-direction:column;
  gap:18px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.compare-card.is-featured{
  background:linear-gradient(180deg,rgba(108,76,241,.07),#fff 46%);
  border-color:var(--line-strong);
  box-shadow:var(--sh-2);
}
.compare-card h3{font-size:22px;}
.compare-card .lead{font-size:15px;color:var(--ink-2);margin:0;}
.corner{
  position:absolute;
  top:-13px;
  right:26px;
  background:var(--amber);
  color:#3A2B00;
  font-size:13px;
  font-weight:700;
  padding:6px 14px;
  border-radius:var(--r-pill);
  box-shadow:0 6px 16px rgba(255,197,61,.36);
}
.compare-list{border-top:1px solid var(--line);display:grid;}
.compare-row{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  padding:14px 0;
  border-bottom:1px solid var(--line);
  font-size:15px;
}
.compare-row .k{color:var(--ink-2);flex:none;}
.compare-row .v{color:var(--ink);font-weight:600;text-align:right;}
.compare-row .v i{color:var(--mint);margin-right:6px;}
.compare-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  padding-top:4px;
}
.compare-foot .note{font-size:13px;color:var(--ink-3);}

/* 渐变量尺条 */
.scale-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-1);
}
.scale-card h3{font-size:22px;margin-bottom:10px;}
.scale-card .desc{font-size:15px;color:var(--ink-2);margin-bottom:26px;}
.scale-track{
  height:12px;
  border-radius:var(--r-pill);
  background:linear-gradient(90deg,rgba(108,76,241,.16),#8A5CF6 46%,#6C4CF1 74%,#25D0B0);
}
.scale-labels{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:12px;
  margin-top:18px;
}
.scale-labels span{
  font-size:13px;
  color:var(--ink-2);
}
.scale-labels span::before{
  content:"";
  display:block;
  width:10px;height:10px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--brand);
  margin-bottom:8px;
}
.scale-labels span:last-child::before{border-color:var(--mint);}
.scale-note{
  margin-top:22px;
  padding-top:18px;
  border-top:1px dashed var(--line);
  font-size:14px;
  color:var(--ink-2);
}

/* 权益小卡 */
.right-card{
  height:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.right-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--line-strong);}
.right-card .ico{
  width:44px;height:44px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
  margin-bottom:16px;
  background:rgba(108,76,241,.09);
  color:var(--brand);
}
.right-card .ico.mint{background:rgba(37,208,176,.14);color:#12876F;}
.right-card .ico.amber{background:rgba(255,197,61,.22);color:var(--amber-ink);}
.right-card h3{font-size:18px;margin-bottom:8px;}
.right-card p{font-size:15px;color:var(--ink-2);margin:0;}

/* 横向说明条 */
.info-strip{
  display:grid;
  grid-template-columns:minmax(0,380px) 1fr;
  gap:32px;
  align-items:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-1);
}
.info-strip-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-md);
}
.info-strip-body h3{font-size:22px;margin:12px 0 10px;}
.info-strip-body p{font-size:15px;color:var(--ink-2);margin-bottom:16px;}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:minmax(0,320px) 1fr;gap:40px;align-items:start;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.faq-item summary{
  position:relative;
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  font-size:17px;
  font-weight:600;
  cursor:pointer;
  transition:background-color .2s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .arrow{color:var(--brand);font-size:13px;transition:transform .2s ease-out;flex:none;}
.faq-item[open]{box-shadow:var(--sh-hover);border-color:var(--line-strong);}
.faq-item[open] summary{background:rgba(108,76,241,.05);}
.faq-item[open] summary::before{
  content:"";
  position:absolute;
  left:0;top:12px;bottom:12px;
  width:4px;
  border-radius:0 4px 4px 0;
  background:var(--grad);
}
.faq-item[open] summary .arrow{transform:rotate(180deg);}
.faq-answer{
  padding:16px 20px 20px;
  font-size:15px;
  line-height:1.9;
  color:var(--ink-2);
  border-top:1px solid var(--line);
}

/* CTA */
.cta-section{padding:0 0 96px;}
.cta-box{
  position:relative;
  overflow:hidden;
  background:var(--dark);
  border-radius:28px;
  padding:56px 64px;
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:40px;
  align-items:center;
}
.cta-box::after{
  content:"";
  position:absolute;
  left:-90px;bottom:-180px;
  width:440px;height:440px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(108,76,241,.45),transparent 70%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1;}
.cta-copy h2{color:var(--dark-text);font-size:clamp(24px,2.8vw,32px);margin-bottom:14px;}
.cta-copy p{color:var(--dark-sub);font-size:16px;max-width:520px;margin-bottom:20px;}
.cta-badges{display:flex;flex-wrap:wrap;gap:10px;}
.cta-badges .badge-pill{
  font-size:13px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);
  color:var(--dark-text);
}
.cta-form{position:relative;z-index:1;}
.cta-form-row{
  display:flex;
  gap:10px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);
  padding:10px;
  border-radius:var(--r-pill);
}
.cta-form-row input{
  flex:1;
  min-width:0;
  height:48px;
  border:1px solid transparent;
  background:#fff;
  border-radius:var(--r-pill);
  padding:0 18px;
  font-size:15px;
  color:var(--ink);
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.cta-form-row input::placeholder{color:var(--ink-3);}
.cta-form-row input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(108,76,241,.12);
}
.cta-form .hint{
  font-size:13px;
  color:var(--dark-sub);
  margin:14px 0 0;
}
.cta-form .error{
  display:none;
  align-items:center;
  gap:8px;
  margin:12px 0 0;
  font-size:13px;
  color:var(--coral);
}

/* 页脚 */
.site-footer{
  background:var(--dark);
  color:var(--dark-sub);
  padding:72px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.25fr;
  gap:40px;
}
.footer-brand p{font-size:14px;color:var(--dark-sub);max-width:320px;margin:18px 0;}
.badges{display:flex;flex-wrap:wrap;gap:8px;}
.badge-pill{
  font-size:13px;
  padding:6px 12px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);
  color:var(--dark-text);
  display:inline-block;
}
.site-footer h4{color:var(--dark-text);font-size:15px;margin-bottom:18px;}
.footer-links{list-style:none;display:grid;gap:10px;}
.footer-links a{
  display:inline-block;
  font-size:15px;
  color:var(--dark-sub);
  transition:color .2s ease-out,transform .2s ease-out;
}
.footer-links a:hover{color:var(--mint);transform:translateX(2px);}
.footer-note{display:grid;gap:10px;font-size:14px;}
.footer-note strong{color:var(--dark-text);font-weight:600;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  margin-top:48px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;
  color:var(--dark-sub);
}

/* 响应式 */
@media (max-width:1023px){
  .section{padding:72px 0;}
  .section-tight{padding:44px 0;}
  .cta-section{padding:0 0 72px;}
  .nav-inner{height:64px;gap:14px;}
  .logo-text small{display:none;}
  .nav-links{
    overflow-x:auto;
    flex-wrap:nowrap;
    -ms-overflow-style:none;
    scrollbar-width:none;
    -webkit-mask-image:linear-gradient(90deg,#000 84%,transparent);
    mask-image:linear-gradient(90deg,#000 84%,transparent);
  }
  .nav-links::-webkit-scrollbar{display:none;}
  .nav-links a{padding:8px 12px;font-size:14px;}
  .mega-trigger-wrap{display:none;}
  .cta-box{grid-template-columns:1fr;padding:40px 32px;gap:28px;}
  .info-strip{grid-template-columns:1fr;gap:22px;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}

@media (max-width:767px){
  .topbar-links{display:none;}
  .compare-row{flex-direction:column;gap:4px;}
  .compare-row .v{text-align:left;}
  .scale-labels{grid-template-columns:repeat(2,1fr);gap:16px;}
}

@media (max-width:639px){
  .container{padding-left:20px;padding-right:20px;}
  .section{padding:56px 0;}
  .section-tight{padding:36px 0;}
  .cta-section{padding:0 0 56px;}
  .nav-inner{height:60px;gap:10px;}
  .logo-text b{font-size:15px;}
  .btn-sm{padding:9px 16px;font-size:13px;}
  .btn-label{display:none;}
  .btn-label-short{display:inline;}
  .hero-compact h1{font-size:28px;}
  .hero-compact .sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .cta-box{padding:32px 22px;border-radius:24px;}
  .cta-form-row{flex-direction:column;border-radius:var(--r-lg);padding:12px;}
  .cta-form-row input{border-radius:var(--r-pill);}
  .cta-form-row .btn{border-radius:var(--r-pill);}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .scale-labels{grid-template-columns:1fr;gap:14px;}
  .info-strip{padding:20px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .notice-track{animation:none;}
  .btn:hover,.stat-card:hover,.right-card:hover,.compare-card:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --brand:#6C4CF1;
  --brand-light:#8A5CF6;
  --brand-dark:#4E33C4;
  --brand-grad:linear-gradient(120deg,#6C4CF1 0%,#8A5CF6 52%,#25D0B0 100%);
  --mint:#25D0B0;
  --amber:#FFC53D;
  --coral:#FF5C7A;
  --bg:#FAF9FE;
  --surface:#FFFFFF;
  --surface-alt:#F3F1FB;
  --ink-900:#17161F;
  --ink-900-text:#EDEBF7;
  --ink-900-sub:#A9A5C0;
  --text:#1F1E2A;
  --text-2:#6B6A7B;
  --text-3:#A6A4B4;
  --line:#E8E6F2;
  --line-strong:rgba(108,76,241,.35);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 4px 16px rgba(23,22,31,.06);
  --sh-2:0 14px 40px rgba(108,76,241,.14);
  --sh-hover:0 4px 16px rgba(23,22,31,.06),0 8px 28px rgba(108,76,241,.18);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:40px;
  --sp-5:64px;
  --sp-6:96px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out;}
a:hover{color:var(--brand);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1024px){
  .container{padding:0 24px;}
}
@media (min-width:1440px){
  .container{max-width:1280px;}
}

/* ============ 顶栏 ============ */
.topbar{
  background:var(--ink-900);
  color:var(--ink-900-text);
  font-size:13.5px;
  min-height:36px;
  display:flex;
  align-items:center;
}
.topbar .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar-notice{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--ink-900-sub);
  overflow:hidden;
  white-space:nowrap;
}
.topbar-notice .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--mint);
  box-shadow:0 0 0 4px rgba(37,208,176,.18);
  flex:0 0 auto;
}
.topbar-notice strong{color:var(--ink-900-text);font-weight:600;}
.topbar-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto;}
.topbar-actions a{color:var(--ink-900-sub);}
.topbar-actions a:hover{color:var(--mint);}
@media (max-width:767px){
  .topbar-actions{display:none;}
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out,height .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:72px;
  transition:min-height .2s ease-out;
}
.site-header.is-scrolled .header-inner{min-height:64px;}

.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:24px;height:24px;border-radius:8px;
  background:var(--brand-grad);
  box-shadow:0 4px 12px rgba(108,76,241,.35);
  flex:0 0 auto;
}
.logo-text b{
  display:block;
  font-size:15.5px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:0;
  color:var(--text);
}
.logo-text small{
  display:block;
  font-size:11px;
  line-height:1.4;
  color:var(--text-2);
}

.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:8px;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  color:var(--text-2);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:3px;
  border-radius:var(--r-pill);
  background:var(--brand-grad);
  opacity:0;
  transform:scaleX(.6);
  transition:opacity .18s ease-out,transform .18s ease-out;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{opacity:.5;transform:scaleX(1);}
.nav-links a.active{color:var(--brand);font-weight:600;}
.nav-links a.active::after{opacity:1;transform:scaleX(1);}

.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
  margin-left:auto;
  flex:0 0 auto;
}

.mega-wrap{position:static;}
.mega-trigger{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:transparent;
  border:1.5px solid var(--line);
  color:var(--text-2);
  font-size:14.5px;
  padding:9px 16px;
  border-radius:var(--r-pill);
  cursor:pointer;
  transition:all .18s ease-out;
}
.mega-trigger:hover{border-color:var(--line-strong);color:var(--brand);background:#F7F5FF;}
.mega-trigger i{font-size:11px;transition:transform .2s ease-out;}
.mega-wrap:hover .mega-trigger i,
.mega-wrap:focus-within .mega-trigger i{transform:rotate(180deg);}

.mega-panel{
  position:absolute;
  left:0;right:0;
  top:100%;
  background:var(--surface);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-2);
  padding:28px 0 32px;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .18s ease-out,transform .18s ease-out,visibility .18s;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.mega-grid{display:flex;gap:40px;}
.mega-col{flex:1 1 0;}
.mega-col h5{
  font-size:13px;
  font-weight:600;
  color:var(--text-3);
  letter-spacing:.04em;
  margin-bottom:14px;
}
.mega-links li{margin-bottom:9px;}
.mega-links a{font-size:14.5px;color:var(--text-2);}
.mega-links a:hover{color:var(--brand);}
.mega-recent li{
  display:flex;
  flex-direction:column;
  gap:2px;
  padding-bottom:10px;
  margin-bottom:10px;
  border-bottom:1px dashed var(--line);
}
.mega-recent li:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.mega-recent a{font-size:14.5px;color:var(--text);}
.mega-recent span{font-size:12.5px;color:var(--text-3);}
.mega-card{
  flex:0 0 300px;
  background:var(--brand-grad);
  border-radius:var(--r-md);
  padding:20px;
  color:#fff;
  display:flex;
  flex-direction:column;
  gap:12px;
  justify-content:space-between;
}
.mega-card strong{font-size:16px;line-height:1.5;}
.mega-card p{font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.88);}
.mega-card .mega-go{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:#fff;
  font-weight:600;
}
.mega-card .mega-go:hover{color:#fff;transform:translateX(2px);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:16px;
  font-weight:600;
  padding:14px 28px;
  border-radius:var(--r-pill);
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.btn-primary{
  background:var(--brand-grad);
  color:#fff;
  box-shadow:var(--sh-1);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-outline{
  background:var(--surface);
  color:var(--brand);
  border-color:var(--line-strong);
}
.btn-outline:hover{background:#F2EEFF;color:var(--brand-dark);}
.btn-ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.65);
}
.btn-ghost:hover{background:#fff;color:var(--ink-900);}
.btn-sm{font-size:14px;padding:10px 20px;}
.btn[disabled],.btn.is-disabled{opacity:.6;filter:saturate(40%);cursor:not-allowed;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(108,76,241,.08);
  color:var(--brand-dark);
  font-size:13px;
  font-weight:600;
  white-space:nowrap;
}
.badge-amber{background:rgba(255,197,61,.18);color:#8A6100;}
.badge-mint{background:rgba(37,208,176,.14);color:#0B7A65;}
.badge-coral{background:rgba(255,92,122,.14);color:#B3273F;}

.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(108,76,241,.08);
  color:var(--brand-dark);
  font-size:12.5px;
  font-weight:600;
}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-alt{background:var(--surface-alt);}
@media (max-width:1023px){
  .section{padding:72px 0;}
}
@media (max-width:639px){
  .section{padding:56px 0;}
}

.section-head{max-width:760px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  letter-spacing:.04em;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:20px;height:3px;border-radius:var(--r-pill);
  background:var(--brand-grad);
}
h1{
  font-size:44px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:0;
}
h2{
  font-size:32px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:0;
}
h3{font-size:22px;line-height:1.45;font-weight:700;}
h4{font-size:18px;line-height:1.5;font-weight:700;}
.lead{font-size:17px;line-height:1.85;color:var(--text-2);}
@media (max-width:1023px){
  h1{font-size:34px;}
  h2{font-size:26px;}
}
@media (max-width:639px){
  h1{font-size:28px;line-height:1.3;}
  h2{font-size:24px;}
  h3{font-size:19px;}
}

.nums{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 面包屑 ============ */
.breadcrumb{
  padding:20px 0 0;
  font-size:14px;
  color:var(--text-2);
}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--text-3);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .current{color:var(--text);font-weight:600;}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:56px 0 72px;
  background:
    linear-gradient(180deg,rgba(250,249,254,.94) 0%,rgba(250,249,254,.99) 78%),
    url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;top:-120px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(108,76,241,.16),rgba(37,208,176,0) 68%);
  pointer-events:none;
}
.page-hero-inner{position:relative;z-index:1;max-width:820px;}
.page-hero h1{margin-bottom:18px;}
.page-hero h1 .accent{
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.page-hero .lead{max-width:660px;}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
@media (max-width:639px){
  .page-hero{padding:36px 0 52px;}
  .hero-actions .btn{width:100%;}
}

/* ============ 数据徽章带 ============ */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.stat-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px 22px;
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.stat-card::before{
  content:"";
  position:absolute;
  left:24px;right:24px;top:0;
  height:3px;
  border-radius:0 0 var(--r-pill) var(--r-pill);
  background:var(--brand-grad);
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.stat-num{
  font-size:32px;
  font-weight:700;
  line-height:1.2;
  color:var(--brand);
  margin-bottom:6px;
}
.stat-num.amber{color:#B98300;}
.stat-label{font-size:13px;color:var(--text-2);line-height:1.7;}
@media (max-width:1023px){
  .stat-strip{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:639px){
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:14px;}
  .stat-card{padding:20px 18px;}
  .stat-num{font-size:26px;}
}

/* ============ 时间轴 ============ */
.timeline{position:relative;padding:8px 0;}
.timeline::before{
  content:"";
  position:absolute;
  top:0;bottom:0;
  left:50%;
  width:2px;
  transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(108,76,241,.28),rgba(37,208,176,.45),rgba(108,76,241,.15));
  border-radius:var(--r-pill);
}
.tl-item{
  display:grid;
  grid-template-columns:1fr 84px 1fr;
  align-items:center;
  margin-bottom:32px;
}
.tl-item:last-child{margin-bottom:0;}
.tl-node{
  grid-column:2;
  grid-row:1;
  display:flex;
  align-items:center;
  justify-content:center;
}
.tl-dot{
  width:44px;height:44px;
  border-radius:50%;
  background:var(--brand-grad);
  color:#fff;
  font-size:15px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 0 0 6px var(--bg),0 8px 20px rgba(108,76,241,.28);
  font-variant-numeric:tabular-nums;
}
.section-alt .tl-dot{box-shadow:0 0 0 6px var(--surface-alt),0 8px 20px rgba(108,76,241,.28);}
.tl-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.tl-card::before{
  content:"";
  position:absolute;
  top:22px;bottom:22px;
  width:3px;
  border-radius:var(--r-pill);
  background:var(--brand-grad);
  opacity:.9;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.tl-item:nth-child(odd) .tl-card{grid-column:1;grid-row:1;}
.tl-item:nth-child(odd) .tl-card::before{right:-1px;}
.tl-item:nth-child(even) .tl-card{grid-column:3;grid-row:1;}
.tl-item:nth-child(even) .tl-card::before{left:-1px;}
.tl-card h3{margin-bottom:10px;font-size:20px;}
.tl-card p{font-size:15px;line-height:1.85;color:var(--text-2);}
.tl-card .tl-extra{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:16px;
}
.tl-hint{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-2);
  background:var(--surface-alt);
  border-radius:var(--r-pill);
  padding:6px 14px;
}
.tl-hint i{color:var(--mint);}

@media (max-width:1023px){
  .tl-item{grid-template-columns:56px 1fr;margin-bottom:24px;align-items:start;}
  .timeline::before{left:22px;transform:none;}
  .tl-node{grid-column:1;grid-row:1;justify-content:flex-start;}
  .tl-dot{width:40px;height:40px;font-size:14px;}
  .timeline .tl-item .tl-card{grid-column:2;grid-row:1;}
  .tl-item:nth-child(odd) .tl-card::before,
  .tl-item:nth-child(even) .tl-card::before{left:-1px;right:auto;}
}

/* ============ 准备材料 图文区 ============ */
.prep-grid{
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:40px;
  align-items:center;
}
.prep-figure{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  background:var(--surface);
}
.prep-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.prep-list{margin-top:24px;}
.prep-list li{
  display:flex;
  gap:14px;
  padding:16px 0;
  border-bottom:1px dashed var(--line);
}
.prep-list li:last-child{border-bottom:0;}
.prep-list .check{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  background:rgba(37,208,176,.14);
  color:#0B7A65;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  margin-top:3px;
}
.prep-list strong{display:block;font-size:16px;margin-bottom:4px;}
.prep-list span{font-size:14.5px;color:var(--text-2);line-height:1.8;}
@media (max-width:1023px){
  .prep-grid{grid-template-columns:1fr;gap:28px;}
}

/* ============ 提示卡 ============ */
.tips-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:20px;
}
.tip-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.tip-card::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:3px;
  background:var(--brand-grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease-out;
}
.tip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.tip-card:hover::before{transform:scaleX(1);}
.tip-card.wide{grid-column:span 6;}
.tip-card.small{grid-column:span 3;}
.tip-icon{
  width:44px;height:44px;
  border-radius:14px;
  background:rgba(108,76,241,.08);
  color:var(--brand);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  margin-bottom:16px;
}
.tip-card h3{font-size:19px;margin-bottom:10px;}
.tip-card p{font-size:15px;line-height:1.85;color:var(--text-2);}
@media (max-width:1023px){
  .tip-card.wide{grid-column:span 12;}
  .tip-card.small{grid-column:span 6;}
}
@media (max-width:639px){
  .tip-card.small{grid-column:span 12;}
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  background:var(--ink-900);
  color:var(--ink-900-text);
  border-radius:var(--r-lg);
  padding:48px 64px;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-100px;bottom:-160px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(108,76,241,.45),rgba(37,208,176,0) 68%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:640px;}
.cta-copy h2{
  color:#fff;
  font-size:30px;
  margin-bottom:12px;
}
.cta-copy p{color:var(--ink-900-sub);font-size:15.5px;line-height:1.85;}
.cta-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.cta-badges .badge{
  background:rgba(255,255,255,.1);
  color:var(--ink-900-text);
}
.cta-actions{
  position:relative;
  z-index:1;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  flex:0 0 auto;
}
@media (max-width:1023px){
  .cta-band{padding:36px 28px;flex-direction:column;align-items:flex-start;gap:26px;}
  .cta-copy h2{font-size:24px;}
}
@media (max-width:639px){
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* ============ FAQ ============ */
.faq-list{max-width:900px;}
.faq-item{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:background-color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item[open]{
  background:#F7F5FF;
  border-color:var(--line-strong);
  box-shadow:var(--sh-1);
}
.faq-item[open]::before{
  content:"";
  position:absolute;
  left:0;top:12px;bottom:12px;
  width:4px;
  border-radius:0 var(--r-pill) var(--r-pill) 0;
  background:var(--brand-grad);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 22px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{
  color:var(--brand);
  font-size:13px;
  transition:transform .2s ease-out;
  flex:0 0 auto;
}
.faq-item[open] summary i{transform:rotate(180deg);}
.faq-body{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-2);
}
@media (max-width:639px){
  .faq-item summary{font-size:15.5px;padding:16px 18px;}
  .faq-body{padding:0 18px 18px;font-size:14.5px;}
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-900);
  color:var(--ink-900-sub);
  padding-top:72px;
  margin-top:96px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.site-footer h4{
  color:#fff;
  font-size:15px;
  margin-bottom:18px;
}
.footer-brand .logo-text b{color:#fff;}
.footer-brand .logo-text small{color:var(--ink-900-sub);}
.footer-brand p{
  font-size:14.5px;
  line-height:1.85;
  margin:18px 0;
  max-width:320px;
}
.badges{display:flex;flex-wrap:wrap;gap:8px;}
.badges .badge{
  background:rgba(255,255,255,.08);
  color:var(--ink-900-text);
  font-weight:500;
}
.footer-links li{margin-bottom:11px;}
.footer-links a{
  font-size:15px;
  color:var(--ink-900-sub);
  display:inline-block;
  transition:color .18s ease-out,transform .18s ease-out;
}
.footer-links a:hover{color:var(--mint);transform:translateX(2px);}
.footer-note{display:flex;flex-direction:column;gap:10px;font-size:14.5px;}
.footer-note strong{color:var(--ink-900-text);font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13.5px;
  color:var(--ink-900-sub);
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:639px){
  .site-footer{padding-top:52px;margin-top:56px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* ============ 移动端导航 ============ */
@media (max-width:1023px){
  .header-inner{flex-wrap:wrap;gap:14px;padding:12px 0;min-height:0;}
  .site-header.is-scrolled .header-inner{min-height:0;}
  .nav-links{
    order:3;
    width:100%;
    margin-left:0;
    gap:20px;
    overflow-x:auto;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
    padding-bottom:4px;
    mask-image:linear-gradient(90deg,#000 88%,transparent 100%);
    -webkit-mask-image:linear-gradient(90deg,#000 88%,transparent 100%);
  }
  .nav-links::-webkit-scrollbar{display:none;}
  .header-actions{
    margin-left:auto;
    gap:10px;
  }
  .mega-panel{display:none;}
  .mega-trigger{display:none;}
  .header-actions .btn-primary{padding:10px 18px;font-size:14px;}
}
@media (max-width:479px){
  .logo-text small{display:none;}
  .logo-text b{font-size:14px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}