/* roulang page: index */
:root{
  --c-brand:#6A3DF0;
  --c-brand-600:#5A2ED8;
  --c-brand-100:#EDE7FF;
  --c-accent:#C6F24E;
  --c-amber:#FF9A2E;
  --c-ink:#16121F;
  --c-ink-2:#3A3350;
  --c-muted:#6E6885;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-line:#E4DED4;
  --r-card:18px;
  --r-img:16px;
  --r-pill:999px;
  --r-input:12px;
  --sh-card:0 2px 10px rgba(20,16,31,.06);
  --sh-hover:0 18px 40px -18px rgba(20,16,31,.28);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-top:96px;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--c-brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--c-brand-600);}
h1,h2,h3,h4,h5,h6{font-family:inherit;color:var(--c-ink);letter-spacing:0;margin:0;line-height:1.35;}
p{margin:0 0 1.2em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;}
:focus-visible{outline:3px solid rgba(198,242,78,.55);outline-offset:2px;border-radius:8px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.button,.button:hover,.button:focus{background:none;color:inherit;border:0;padding:0;margin:0;}
.callout{border:0;background:none;padding:0;margin:0;}
.top-bar,.top-bar-left,.top-bar-right{background:none;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:16px;font-weight:600;line-height:1;
  padding:14px 26px;border-radius:var(--r-pill);
  border:1px solid transparent;
  transition:background var(--ease),color var(--ease),transform var(--ease),border-color var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--c-brand);color:#fff;box-shadow:0 10px 24px -14px rgba(106,61,240,.9);}
.btn-primary:hover{background:var(--c-brand-600);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--c-brand);border-color:var(--c-brand);}
.btn-ghost:hover{background:var(--c-brand-100);color:var(--c-brand-600);transform:translateY(-2px);}
.btn-amber{background:var(--c-amber);color:#2A1A05;}
.btn-amber:hover{background:#F08512;color:#2A1A05;transform:translateY(-2px);}
.btn-dark{background:var(--c-ink);color:#fff;}
.btn-dark:hover{background:#241E33;color:#fff;transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:15px;}
.btn-block{width:100%;}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1;white-space:nowrap;}
.badge-lime{background:var(--c-accent);color:#1B2110;}
.badge-soft{background:var(--c-brand-100);color:var(--c-brand-600);}
.badge-amber{background:rgba(255,154,46,.16);color:#B25D00;}

/* ---------- header ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:80;padding:0 20px;}
.nav-shell{
  max-width:1200px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:14px;
  padding:0 10px 0 18px;
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--c-line);border-radius:var(--r-pill);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled .nav-shell{background:rgba(255,255,255,.92);box-shadow:0 8px 24px -12px rgba(20,16,31,.22);}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--c-brand),#8A66F5);color:#fff;font-size:16px;font-weight:800;
}
.logo-text{font-size:17px;font-weight:800;color:var(--c-ink);letter-spacing:-.01em;}
.logo:hover .logo-text{color:var(--c-brand);}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{position:relative;display:block;padding:9px 15px;border-radius:var(--r-pill);font-size:16px;color:var(--c-ink-2);}
.nav-link::after{content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);width:0;height:2px;border-radius:2px;background:var(--c-accent);transition:width var(--ease);}
.nav-link:hover{color:var(--c-brand);}
.nav-link:hover::after{width:18px;}
.nav-link.is-active{background:var(--c-brand-100);color:var(--c-brand-600);}
.nav-link.is-active::after{width:0;}
.nav-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-line);background:#fff;border-radius:var(--r-pill);padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);}
.nav-panel{
  display:none;max-width:1200px;margin:10px auto 0;padding:12px;
  background:#fff;border:1px solid var(--c-line);border-radius:20px;
  box-shadow:0 8px 24px -12px rgba(20,16,31,.22);
}
.nav-panel.is-open{display:block;}
.nav-panel a{display:flex;align-items:center;height:48px;padding:0 16px;border-bottom:1px solid var(--c-line);color:var(--c-ink-2);font-size:16px;border-radius:12px;}
.nav-panel a:last-of-type{border-bottom:0;}
.nav-panel a.is-active{background:var(--c-brand-100);color:var(--c-brand-600);}
.nav-panel .btn{height:48px;margin-top:8px;}

/* ---------- section ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 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:700;color:var(--c-brand-600);background:var(--c-brand-100);padding:6px 14px;border-radius:var(--r-pill);margin-bottom:16px;letter-spacing:.02em;}
.sec-title{font-size:32px;font-weight:700;}
.sec-desc{color:var(--c-muted);font-size:16px;margin-top:14px;margin-bottom:0;}
.section-head.center .sec-desc{margin-left:auto;margin-right:auto;}

/* ---------- hero ---------- */
.hero{padding:24px 0 96px;}
.hero-grid{display:flex;flex-wrap:wrap;gap:48px;align-items:center;}
.hero-copy{flex:1 1 480px;min-width:0;}
.hero-visual{flex:1 1 420px;min-width:0;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);padding:7px 16px;font-size:13px;font-weight:600;color:var(--c-ink-2);margin-bottom:20px;box-shadow:var(--sh-card);}
.hero-tag i{width:8px;height:8px;border-radius:50%;background:var(--c-accent);display:inline-block;}
h1.hero-title{font-size:44px;font-weight:800;line-height:1.24;letter-spacing:-.01em;margin-bottom:20px;}
h1.hero-title em{font-style:normal;color:var(--c-brand);}
.hero-sub{font-size:19px;color:var(--c-ink-2);margin-bottom:24px;}
.hero-points{display:grid;gap:12px;margin-bottom:28px;}
.hero-points li{display:flex;gap:10px;align-items:flex-start;font-size:16px;color:var(--c-ink-2);}
.hero-points svg{flex:0 0 auto;margin-top:4px;color:var(--c-brand);}
.hero-buy{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-bottom:26px;}
.hero-price{display:flex;align-items:baseline;gap:8px;}
.price-now{font-size:34px;font-weight:800;color:var(--c-amber);line-height:1;font-variant-numeric:tabular-nums;}
.price-unit{font-size:14px;color:var(--c-muted);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.trust-row{display:flex;flex-wrap:wrap;gap:12px;}
.trust-chip{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);padding:8px 16px;font-size:14px;color:var(--c-ink-2);box-shadow:var(--sh-card);}
.trust-chip svg{color:var(--c-brand);}
.hero-visual{position:relative;border-radius:24px;overflow:hidden;min-height:460px;background:var(--c-brand-100);box-shadow:var(--sh-card);}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.hero-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,16,31,.35) 0%,rgba(20,16,31,.55) 100%);}
.hero-float{position:absolute;left:20px;right:20px;bottom:20px;display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.94);border-radius:var(--r-img);padding:14px 18px;box-shadow:0 12px 30px -18px rgba(20,16,31,.5);}
.float-dot{width:10px;height:10px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 4px rgba(198,242,78,.28);flex:0 0 auto;}
.float-txt{display:flex;flex-direction:column;line-height:1.4;min-width:0;}
.float-txt strong{font-size:15px;color:var(--c-ink);}
.float-txt span{font-size:13px;color:var(--c-muted);}

/* ---------- hot grid ---------- */
.hot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.hot-card{
  position:relative;display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-card);transition:transform var(--ease),box-shadow var(--ease);
}
.hot-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.hot-card:hover .hot-cover img{transform:scale(1.04);}
.hot-main{grid-column:span 4;flex-direction:row;align-items:stretch;}
.hot-main .hot-cover{flex:0 0 52%;}
.hot-main .hot-body{padding:36px;}
.hot-main .hot-title{font-size:26px;}
.hot-small{grid-column:span 2;}
.hot-cover{position:relative;overflow:hidden;background:var(--c-brand-100);}
.hot-cover img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1);}
.hot-small .hot-cover{aspect-ratio:16/10;}
.hot-main .hot-cover{min-height:320px;}
.hot-badge{position:absolute;left:14px;top:14px;}
.hot-body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1 1 auto;}
.hot-title{font-size:19px;font-weight:700;}
.hot-desc{font-size:15px;color:var(--c-muted);margin:0;}
.hot-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;border-top:1px solid var(--c-line);}
.hot-price{font-size:18px;font-weight:800;color:var(--c-amber);font-variant-numeric:tabular-nums;}
.icon-buy{width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--c-brand);background:transparent;color:var(--c-brand);display:flex;align-items:center;justify-content:center;transition:background var(--ease),color var(--ease),transform var(--ease);}
.icon-buy:hover{background:var(--c-brand);color:#fff;transform:translateY(-2px);}

/* ---------- reviews ---------- */
.rail-wrap{position:relative;}
.rail-wrap::before,.rail-wrap::after{content:"";position:absolute;top:0;bottom:24px;width:56px;pointer-events:none;z-index:2;}
.rail-wrap::before{left:0;background:linear-gradient(90deg,var(--c-bg),rgba(247,244,238,0));}
.rail-wrap::after{right:0;background:linear-gradient(270deg,var(--c-bg),rgba(247,244,238,0));}
.review-rail{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 26px;scrollbar-width:thin;}
.review-card{
  flex:0 0 calc((100% - 48px)/3);scroll-snap-align:start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-card);display:flex;flex-direction:column;gap:14px;
}
.review-top{display:flex;align-items:center;gap:12px;}
.avatar{width:44px;height:44px;border-radius:50%;background:var(--c-brand-100);color:var(--c-brand-600);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;flex:0 0 auto;}
.review-name{font-size:15px;font-weight:700;color:var(--c-ink);display:block;line-height:1.4;}
.review-sub{font-size:13px;color:var(--c-muted);display:block;line-height:1.4;}
.stars{display:flex;gap:3px;color:var(--c-amber);}
.review-text{font-size:15px;color:var(--c-ink-2);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.review-link{font-size:13px;color:var(--c-muted);margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line);}
.review-link b{color:var(--c-brand-600);font-weight:600;}

/* ---------- assurance ---------- */
.assure{background:var(--c-ink);color:#fff;padding:56px 0;}
.assure .wrap{display:flex;flex-wrap:wrap;}
.assure-item{flex:1 1 240px;display:flex;gap:14px;padding:8px 28px;position:relative;}
.assure-item + .assure-item::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:1px;background:rgba(255,255,255,.12);}
.assure-item svg{color:var(--c-accent);flex:0 0 auto;margin-top:4px;}
.assure-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:4px;}
.assure-text{font-size:14px;color:rgba(255,255,255,.72);margin:0;line-height:1.7;}

/* ---------- cta ---------- */
.cta-panel{
  background:var(--c-brand-100);
  border:1px solid #DDD3FB;border-radius:24px;
  padding:64px;text-align:center;
}
.cta-panel h2{font-size:32px;font-weight:700;margin-bottom:14px;}
.cta-panel p{color:var(--c-ink-2);font-size:17px;max-width:640px;margin:0 auto 28px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-bottom:18px;}
.cta-note{font-size:14px;color:var(--c-muted);margin:0;}

/* ---------- news ---------- */
.section-head.row-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;max-width:none;}
.more-link{font-size:15px;font-weight:600;color:var(--c-brand);}
.more-link:hover{color:var(--c-brand-600);}
.news-grid{display:flex;flex-wrap:wrap;gap:24px;}
.news-card{flex:1 1 calc((100% - 48px)/3);min-width:280px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);transition:transform var(--ease),box-shadow var(--ease);}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.news-card:hover .news-cover img{transform:scale(1.04);}
.news-card-link{display:flex;flex-direction:column;height:100%;color:inherit;}
.news-card-link:hover{color:inherit;}
.news-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-brand-100);}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1);}
.news-body{display:flex;flex-direction:column;gap:10px;padding:18px 20px 20px;}
.news-title{font-size:19px;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-sum{font-size:15px;color:var(--c-muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted);}
.news-arrow{color:var(--c-brand);font-weight:600;}
.empty-state{flex:1 1 100%;border:1px dashed var(--c-line);border-radius:var(--r-card);padding:56px 24px;text-align:center;color:var(--c-muted);}
.empty-state svg{color:var(--c-brand);margin:0 auto 14px;}
.empty-state p{margin-bottom:18px;}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease);}
.faq-item.is-open{border-color:#CFC2F7;box-shadow:var(--sh-hover);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;background:none;border:0;font-size:17px;font-weight:600;color:var(--c-ink);text-align:left;}
.faq-q svg{flex:0 0 auto;color:var(--c-brand);transition:transform var(--ease);}
.faq-item.is-open .faq-q svg{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 300ms cubic-bezier(.2,.7,.3,1);}
.faq-a-inner{padding:0 24px 22px;font-size:16px;color:var(--c-ink-2);line-height:1.85;}

/* ---------- footer ---------- */
.site-footer{background:#16101F;color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0;}
.footer-grid{display:flex;flex-wrap:wrap;gap:40px;padding-bottom:48px;}
.footer-brand{flex:1 1 300px;min-width:260px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin:18px 0 0;max-width:340px;}
.footer-col{flex:1 1 150px;min-width:140px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--c-accent);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);}
.footer-bottom a{color:rgba(255,255,255,.55);}
.footer-bottom a:hover{color:var(--c-accent);}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hot-main .hot-cover{flex:0 0 46%;}
  .review-card{flex:0 0 calc((100% - 24px)/2);}
}
@media (max-width:1023px){
  .nav-menu{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .wrap{max-width:1120px;}
  .section{padding:72px 0;}
  .hot-main{grid-column:span 4;flex-direction:column;}
  .hot-main .hot-cover{flex:none;min-height:0;aspect-ratio:16/10;}
  .hot-main .hot-body{padding:24px;}
  .hot-small{grid-column:span 2;}
  .assure-item{flex:1 1 50%;padding:12px 24px 12px 0;}
  .assure-item + .assure-item::before{display:none;}
}
@media (max-width:767px){
  body{padding-top:88px;font-size:16px;}
  .wrap{padding:0 20px;}
  .section{padding:48px 0;}
  .hero{padding:8px 0 48px;}
  .hero-grid{gap:28px;}
  .hero-visual{order:-1;min-height:240px;}
  .hero-copy{flex:1 1 100%;}
  h1.hero-title{font-size:30px;}
  .hero-sub{font-size:17px;}
  .price-now{font-size:28px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{flex:1 1 100%;}
  .sec-title{font-size:24px;}
  .hot-grid{grid-template-columns:1fr;gap:16px;}
  .hot-main,.hot-small{grid-column:span 1;}
  .hot-card{border-radius:16px;}
  .hot-main .hot-title{font-size:20px;}
  .review-card{flex:0 0 86%;}
  .rail-wrap::before,.rail-wrap::after{width:24px;}
  .assure-item{flex:1 1 50%;padding:10px 14px 10px 0;}
  .assure .wrap{gap:0;}
  .cta-panel{padding:36px 22px;border-radius:20px;}
  .cta-panel h2{font-size:24px;}
  .cta-actions .btn{flex:1 1 100%;}
  .news-card{flex:1 1 100%;border-radius:16px;}
  .faq-q{padding:16px 18px;font-size:16px;}
  .faq-a-inner{padding:0 18px 18px;}
  .footer-grid{gap:32px;padding-bottom:36px;}
  .site-footer{padding-top:48px;}
}
@media (max-width:520px){
  h1.hero-title{font-size:27px;}
  .trust-chip{font-size:13px;padding:7px 13px;}
  .assure-item{flex:1 1 100%;}
  .logo-text{font-size:16px;}
}

/* roulang page: category1 */
:root{
  --c-brand:#6A3DF0;
  --c-brand-600:#5A2ED8;
  --c-brand-100:#EDE7FF;
  --c-accent:#C6F24E;
  --c-amber:#FF9A2E;
  --c-ink:#16121F;
  --c-ink-2:#3A3350;
  --c-muted:#6E6885;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-line:#E4DED4;
  --r-card:18px;
  --r-img:16px;
  --r-pill:999px;
  --sh-sm:0 2px 10px rgba(20,16,31,.06);
  --sh-lg:0 18px 40px -18px rgba(20,16,31,.28);
  --t:200ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-brand);text-decoration:none;background-color:transparent;}
a:hover{color:var(--c-brand-600);}
h1,h2,h3,h4,h5,h6{
  margin:0 0 .6em;
  color:var(--c-ink);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.01em;
  text-rendering:optimizeLegibility;
}
h1{font-size:44px;font-weight:800;line-height:1.24;}
h2{font-size:32px;}
h3{font-size:22px;font-weight:600;}
h4{font-size:18px;font-weight:600;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;}
input,textarea,select{font-family:inherit;}
:focus-visible{outline:3px solid rgba(198,242,78,.55);outline-offset:2px;border-radius:6px;}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px;width:100%;}
@media (min-width:1440px){.wrap{max-width:1280px;}}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.04em;
  color:var(--c-brand);
  background:var(--c-brand-100);
  border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;
}
.section-head p{color:var(--c-muted);font-size:16px;margin:0;}
.lead{font-size:18px;color:var(--c-ink-2);}

/* 悬浮胶囊导航 */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:60;}
.nav-shell{
  max-width:1200px;margin:0 auto;height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 16px 0 20px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--c-line);
  transition:background var(--t),box-shadow var(--t);
}
@media (min-width:1440px){.nav-shell{max-width:1280px;}}
.site-header.is-scrolled .nav-shell{
  background:rgba(255,255,255,.92);
  box-shadow:0 8px 24px -12px rgba(20,16,31,.22);
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);text-decoration:none;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--c-brand),#8A62FF);
  color:#fff;font-size:17px;font-weight:800;line-height:1;
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:4px;margin:0;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 16px;
  border-radius:var(--r-pill);font-size:16px;color:var(--c-ink-2);
  transition:color var(--t),background var(--t);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:16px;right:16px;bottom:6px;height:2px;border-radius:2px;
  background:var(--c-accent);opacity:0;transform:scaleX(.4);transition:opacity var(--t),transform var(--t);
}
.nav-link:hover{color:var(--c-brand);}
.nav-link:hover::after{opacity:1;transform:scaleX(1);}
.nav-link.is-active{background:var(--c-brand-100);color:var(--c-brand);font-weight:600;}
.nav-link.is-active::after{opacity:0;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  background:var(--c-brand-100);border:1px solid transparent;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-brand);transition:transform var(--t),opacity var(--t);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-panel{display:none;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);
}
.btn-primary{background:var(--c-brand);color:#fff;}
.btn-primary:hover,.btn-primary:focus{background:var(--c-brand-600);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-lg);}
.btn-outline{background:transparent;border-color:var(--c-brand);color:var(--c-brand);}
.btn-outline:hover,.btn-outline:focus{background:var(--c-brand-100);color:var(--c-brand-600);transform:translateY(-2px);}
.btn-amber{background:var(--c-amber);color:#2A1B03;}
.btn-amber:hover{background:#F08A16;color:#2A1B03;transform:translateY(-2px);}
.btn-ghost-light{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.4);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:15px;}
.btn-block{width:100%;}

/* 窄幅首屏 */
.hero-narrow{
  position:relative;
  padding:150px 0 72px;
  background-image:linear-gradient(115deg,rgba(22,18,31,.9),rgba(22,18,31,.56)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-radius:0 0 32px 32px;
  color:#fff;
  overflow:hidden;
}
.hero-narrow h1{color:#fff;max-width:900px;margin-bottom:18px;}
.hero-narrow .hero-sub{
  font-size:19px;color:rgba(255,255,255,.84);max-width:640px;margin:0 0 8px;
}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.04em;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(198,242,78,.18);color:var(--c-accent);
  border:1px solid rgba(198,242,78,.4);margin-bottom:20px;
}
.anchor-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.anchor-bar a{
  display:inline-flex;align-items:center;height:42px;padding:0 20px;
  border-radius:var(--r-pill);font-size:15px;font-weight:600;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);color:#fff;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t);
}
.anchor-bar a:hover{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-ink);transform:translateY(-2px);}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px 32px;margin-top:34px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16);}
.hero-facts div{font-size:14px;color:rgba(255,255,255,.76);display:flex;align-items:center;gap:8px;}
.hero-facts b{color:var(--c-accent);font-weight:800;font-size:15px;}

/* 交替图文长列表 */
.feature-list{padding:96px 0 40px;}
.step-row{
  display:flex;align-items:center;gap:56px;
  padding:44px 0;
  border-bottom:1px solid var(--c-line);
}
.step-row:last-child{border-bottom:none;}
.step-row.is-reverse{flex-direction:row-reverse;}
.step-media{flex:0 0 41.666%;position:relative;}
.step-media img{
  width:100%;aspect-ratio:16 / 10;object-fit:cover;
  border-radius:var(--r-img);background:var(--c-brand-100);
  box-shadow:var(--sh-sm);
  transition:transform var(--t),box-shadow var(--t);
}
.step-row:hover .step-media img{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.step-index{
  position:absolute;top:-14px;left:-14px;
  width:44px;height:44px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-accent);color:var(--c-ink);font-weight:800;font-size:16px;
  box-shadow:0 8px 18px -8px rgba(20,16,31,.4);
}
.step-body{flex:1 1 auto;min-width:0;}
.step-body h3{margin-bottom:14px;}
.step-body p{color:var(--c-ink-2);font-size:16.5px;}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 22px;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12.5px;font-weight:600;
  background:var(--c-brand-100);color:var(--c-brand);
}
.tag-accent{background:var(--c-accent);color:var(--c-ink);}
.tag-amber{background:rgba(255,154,46,.16);color:#A65A00;}

/* 核对习惯卡片 */
.habit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.habit-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:30px 28px;box-shadow:var(--sh-sm);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.habit-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:#D6CDBF;}
.habit-icon{
  width:46px;height:46px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-brand-100);color:var(--c-brand);margin-bottom:18px;
}
.habit-card.is-accent .habit-icon{background:rgba(198,242,78,.4);color:#3B4A05;}
.habit-card.is-amber .habit-icon{background:rgba(255,154,46,.18);color:#A65A00;}
.habit-card h3{font-size:19px;margin-bottom:10px;}
.habit-card p{font-size:15.5px;color:var(--c-muted);margin:0;line-height:1.8;}

/* 深色 CTA 区 */
.cta-band{
  background:linear-gradient(135deg,#241B3C 0%,#16121F 68%);
  border-radius:24px;
  padding:64px 56px;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(106,61,240,.55),rgba(106,61,240,0) 70%);
}
.cta-band h2{color:#fff;max-width:640px;position:relative;z-index:1;}
.cta-band p{color:rgba(255,255,255,.78);max-width:620px;position:relative;z-index:1;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;position:relative;z-index:1;}
.cta-note{margin-top:20px;font-size:13.5px;color:rgba(255,255,255,.6);position:relative;z-index:1;}

/* FAQ */
.faq-list{margin:0;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item:hover{border-color:#D6CDBF;box-shadow:0 10px 26px -16px rgba(20,16,31,.24);}
.faq-list .accordion-title{
  position:relative;
  display:block;
  padding:20px 60px 20px 22px;
  font-size:17px;font-weight:600;color:var(--c-ink);
  background:none;border:none;line-height:1.5;
}
.faq-list .accordion-title:hover,.faq-list .accordion-title:focus{color:var(--c-brand);background:none;}
.faq-list .accordion-title::before{
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  content:"+";
  width:auto;height:auto;margin:0;padding:0;border:none;background:none;
  font-size:22px;font-weight:500;line-height:1;color:var(--c-brand);
  transition:transform var(--t),color var(--t);
}
.faq-item.is-active .accordion-title::before{content:"−";}
.faq-list .accordion-content{
  display:none;
  padding:0 22px 22px;
  border:none;background:none;
  color:var(--c-ink-2);font-size:16px;line-height:1.85;
}
.faq-item.is-active > .accordion-content{display:block;}

/* 页脚 */
.site-footer{
  background:#16101F;
  color:rgba(255,255,255,.72);
  padding:72px 0 0;
  margin-top:96px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:48px 40px;
  padding-bottom:52px;
}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);margin:0;max-width:340px;}
.footer-col h4{
  font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:0;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color var(--t),padding-left var(--t);}
.footer-col a:hover{color:var(--c-accent);padding-left:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.55);
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{font-size:13.5px;color:rgba(255,255,255,.62);}
.footer-links a:hover{color:var(--c-accent);}

/* 响应式 */
@media (max-width:1200px){
  .nav-shell{max-width:1120px;}
  .nav-link{padding:0 13px;font-size:15px;}
}
@media (max-width:1023px){
  .nav-menu{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .nav-panel{
    display:none;
    flex-direction:column;
    max-width:1200px;
    margin:12px auto 0;
    padding:8px 8px 16px;
    border-radius:20px;
    background:rgba(255,255,255,.96);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border:1px solid var(--c-line);
    box-shadow:0 22px 48px -22px rgba(20,16,31,.34);
  }
  .nav-panel.is-open{display:flex;}
  .nav-panel a{
    display:flex;align-items:center;height:48px;padding:0 18px;
    font-size:16px;color:var(--c-ink-2);
    border-bottom:1px solid var(--c-line);
  }
  .nav-panel a:hover{color:var(--c-brand);}
  .nav-panel a.is-active{background:var(--c-brand-100);color:var(--c-brand);font-weight:600;border-radius:12px;}
  .nav-panel .btn{
    height:auto;margin:14px 10px 0;justify-content:center;color:#fff;
    border-bottom:none;border-radius:var(--r-pill);
  }
  .nav-panel .btn:hover{color:#fff;}
  .section{padding:72px 0;}
  .feature-list{padding:72px 0 32px;}
  .step-row{gap:36px;padding:36px 0;}
  .step-media{flex:0 0 45%;}
  .habit-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px 32px;}
  .cta-band{padding:52px 40px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .wrap{padding:0 20px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .section{padding:48px 0;}
  .hero-narrow{padding:126px 0 52px;border-radius:0 0 24px 24px;}
  .hero-narrow .hero-sub{font-size:16.5px;}
  .anchor-bar{gap:8px;margin-top:22px;}
  .anchor-bar a{height:38px;padding:0 15px;font-size:14px;}
  .hero-facts{gap:10px 20px;margin-top:26px;padding-top:20px;}
  .feature-list{padding:48px 0 20px;}
  .step-row,.step-row.is-reverse{flex-direction:column;align-items:stretch;gap:22px;padding:30px 0;}
  .step-media{flex:1 1 auto;}
  .step-index{top:-12px;left:-8px;width:40px;height:40px;font-size:15px;}
  .habit-grid{grid-template-columns:1fr;}
  .habit-card{padding:24px 22px;}
  .cta-band{padding:40px 24px;border-radius:20px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:34px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{padding-top:52px;margin-top:56px;}
  .faq-list .accordion-title{font-size:16px;padding:18px 52px 18px 18px;}
  .faq-list .accordion-content{padding:0 18px 20px;}
  .logo-text{font-size:15.5px;}
}

/* roulang page: article */
:root{
  --c-brand:#6A3DF0;
  --c-brand-600:#5A2ED8;
  --c-brand-100:#EDE7FF;
  --c-accent:#C6F24E;
  --c-amber:#FF9A2E;
  --c-ink:#16121F;
  --c-ink-2:#3A3350;
  --c-muted:#6E6885;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-line:#E4DED4;
  --r-card:18px;
  --r-img:16px;
  --r-pill:999px;
  --r-input:12px;
  --sh-card:0 2px 10px rgba(20,16,31,.06);
  --sh-hover:0 18px 40px -18px rgba(20,16,31,.28);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --wrap:1200px;
  --pad-y:96px;
  --f-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --f-num:"Manrope","Inter",var(--f-cn);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--f-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),opacity var(--t);}
a:hover{color:var(--c-brand-600);}
h1,h2,h3,h4,h5,h6{color:var(--c-ink);margin:0 0 .6em;line-height:1.28;letter-spacing:-.01em;font-weight:700;}
h1{font-size:44px;font-weight:800;}
h2{font-size:32px;}
h3{font-size:22px;font-weight:600;}
p{margin:0 0 1.2em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font:inherit;}
:focus-visible{outline:3px solid rgba(198,242,78,.55);outline-offset:2px;border-radius:8px;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px;}
.num{font-family:var(--f-num);font-feature-settings:"tnum";}

/* ===================== 悬浮胶囊导航 ===================== */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:80;}
.nav-shell{
  max-width:var(--wrap);
  width:calc(100% - 40px);
  margin:0 auto;
  height:64px;
  padding:0 12px 0 10px;
  display:flex;
  align-items:center;
  gap:14px;
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  transition:background-color var(--t),box-shadow var(--t);
}
.site-header.is-scrolled .nav-shell{
  background:rgba(255,255,255,.92);
  box-shadow:0 8px 24px -12px rgba(20,16,31,.22);
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:800;font-size:17px;letter-spacing:-.01em;flex:0 0 auto;}
.logo:hover{color:var(--c-ink);}
.logo-mark{
  width:34px;height:34px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--c-brand),#8B63FF 70%);
  color:#fff;font-size:17px;font-weight:800;
  box-shadow:0 6px 16px -8px rgba(106,61,240,.9);
}
.logo-text{white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:4px;margin:0 auto;list-style:none;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:40px;padding:0 16px;
  border-radius:var(--r-pill);
  font-size:16px;color:var(--c-ink-2);
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:4px;
  width:0;height:2px;border-radius:2px;background:var(--c-accent);
  transform:translateX(-50%);transition:width var(--t);
}
.nav-link:hover{color:var(--c-brand);}
.nav-link:hover::after{width:18px;}
.nav-link.is-active{background:var(--c-brand-100);color:var(--c-brand-600);font-weight:600;}
.nav-link.is-active::after{width:0;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:50%;
  border:1px solid var(--c-line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform var(--t),opacity var(--t);}
.nav-panel{
  display:none;
  max-width:var(--wrap);
  width:calc(100% - 40px);
  margin:10px auto 0;
  background:rgba(255,255,255,.97);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--c-line);
  border-radius:20px;
  box-shadow:0 18px 40px -18px rgba(20,16,31,.28);
  padding:10px;
}
.nav-panel.is-open{display:block;}
.nav-panel a{
  display:flex;align-items:center;height:48px;padding:0 16px;
  border-radius:14px;color:var(--c-ink-2);font-size:16px;
  border-bottom:1px solid rgba(228,222,212,.7);
}
.nav-panel a:last-child{border-bottom:0;}
.nav-panel a:hover{background:var(--c-brand-100);color:var(--c-brand-600);}
.nav-panel a.is-active{background:var(--c-brand-100);color:var(--c-brand-600);font-weight:600;}
.nav-panel a.btn{border-bottom:0;justify-content:center;margin-top:8px;}

/* ===================== 按钮 / 徽章 ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--t),background-color var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
}
.btn-primary{background:var(--c-brand);color:#fff;}
.btn-primary:hover{background:var(--c-brand-600);color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -14px rgba(106,61,240,.9);}
.btn-ghost{background:transparent;border-color:var(--c-brand);color:var(--c-brand);}
.btn-ghost:hover{background:var(--c-brand-100);color:var(--c-brand-600);border-color:var(--c-brand-600);}
.btn-dark{background:var(--c-ink);color:#fff;}
.btn-dark:hover{background:#241d33;color:#fff;transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:15px;}
.btn-block{width:100%;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1;white-space:nowrap;
}
.badge-lime{background:var(--c-accent);color:#1C2210;}
.badge-amber{background:rgba(255,154,46,.16);color:#B96400;}
.badge-purple{background:var(--c-brand-100);color:var(--c-brand-600);}

/* ===================== 文章头部 ===================== */
.article-head{padding:128px 0 0;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;line-height:1.7;color:var(--c-muted);margin-bottom:22px;
}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-brand);}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head h1{font-size:44px;font-weight:800;max-width:920px;margin:18px 0 20px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--c-muted);line-height:1.7;}
.meta-row .dot{opacity:.6;}
.meta-row .avatar{
  width:26px;height:26px;border-radius:50%;background:var(--c-brand-100);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-brand-600);font-size:12px;font-weight:700;
}
.head-rule{height:1px;background:var(--c-line);margin:34px 0 0;border:0;}

/* ===================== 文章主体布局 ===================== */
.article-main{padding:52px 0 96px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:start;}
.article-body{
  max-width:800px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:48px 48px 40px;
  font-size:17px;
  line-height:1.9;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.25em;color:var(--c-ink-2);line-height:1.9;}
.article-body h2{
  position:relative;font-size:28px;font-weight:700;line-height:1.4;
  margin:1.9em 0 .85em;padding-left:18px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;
  background:var(--c-brand);
}
.article-body h3{font-size:21px;font-weight:600;color:var(--c-brand);margin:1.6em 0 .7em;}
.article-body h4{font-size:18px;font-weight:600;margin:1.4em 0 .6em;}
.article-body a{color:var(--c-brand);border-bottom:1px solid rgba(106,61,240,.35);}
.article-body a:hover{color:var(--c-brand-600);border-bottom-color:var(--c-brand-600);}
.article-body strong{color:var(--c-ink);font-weight:700;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding:0;}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:12px;line-height:1.85;}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--c-brand);
}
.article-body ol{counter-reset:li;}
.article-body ol li{position:relative;padding-left:34px;margin-bottom:12px;counter-increment:li;line-height:1.85;}
.article-body ol li::before{
  content:counter(li);
  position:absolute;left:0;top:.28em;
  width:22px;height:22px;border-radius:50%;
  background:var(--c-brand-100);color:var(--c-brand-600);
  font-family:var(--f-num);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;line-height:1;
}
.article-body blockquote{
  margin:1.7em 0;padding:18px 24px;
  border-left:4px solid var(--c-brand);
  background:var(--c-brand-100);
  border-radius:0 12px 12px 0;
  color:var(--c-ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:1.6em 0 .6em;}
.article-body figure{margin:1.7em 0;}
.article-body figure img{margin:0;}
.article-body figcaption{font-size:14px;color:var(--c-muted);text-align:center;margin-top:10px;line-height:1.7;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:16px;border:1px solid var(--c-line);border-radius:12px;overflow:hidden;}
.article-body th{background:var(--c-brand-100);color:var(--c-ink);font-weight:600;text-align:left;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--c-line);line-height:1.7;}
.article-body tr:last-child td{border-bottom:0;}
.article-body hr{border:0;height:1px;background:var(--c-line);margin:2em 0;}

/* 空态 */
.empty-state{
  max-width:800px;
  border:1px dashed var(--c-line);
  border-radius:var(--r-card);
  background:var(--c-surface);
  padding:64px 32px;
  text-align:center;
}
.empty-state .icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  background:var(--c-brand-100);color:var(--c-brand-600);
  display:flex;align-items:center;justify-content:center;
}
.empty-state h3{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--c-muted);font-size:16px;margin-bottom:24px;}

/* 标签位 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:28px;border-top:1px solid var(--c-line);}
.tag-row .tag{
  display:inline-flex;align-items:center;height:32px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:var(--c-bg);color:var(--c-ink-2);font-size:14px;
}
.tag-row .tag:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-brand-100);}

/* 返回入口 */
.back-row{margin-top:36px;}
.back-row .btn{min-width:180px;}

/* ===================== 侧栏 ===================== */
.article-aside{position:sticky;top:100px;display:grid;gap:20px;}
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:24px 22px;
}
.side-card h3{font-size:17px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{
  content:"";width:4px;height:16px;border-radius:4px;background:var(--c-brand);
}
.side-list li + li{margin-top:8px;}
.side-list a{
  display:flex;align-items:center;gap:12px;
  padding:10px 10px;border-radius:12px;
  font-size:15px;color:var(--c-ink-2);line-height:1.6;
}
.side-list a:hover{background:var(--c-brand-100);color:var(--c-brand-600);}
.side-list .idx{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-bg);border:1px solid var(--c-line);
  font-family:var(--f-num);font-size:12px;font-weight:700;color:var(--c-muted);
}
.side-list a:hover .idx{background:#fff;border-color:var(--c-brand);color:var(--c-brand);}
.side-thumb{display:flex;gap:12px;align-items:flex-start;padding:10px;border-radius:14px;}
.side-thumb:hover{background:var(--c-brand-100);}
.side-thumb img{width:64px;height:48px;object-fit:cover;border-radius:10px;background:var(--c-brand-100);flex:0 0 auto;}
.side-thumb span{font-size:14px;line-height:1.6;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.side-thumb:hover span{color:var(--c-brand-600);}
.side-cta{
  background:linear-gradient(150deg,#1E1830,#16121F 65%);
  border:1px solid rgba(255,255,255,.08);
  color:rgba(255,255,255,.82);
}
.side-cta h3{color:#fff;}
.side-cta h3::before{background:var(--c-accent);}
.side-cta p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin-bottom:18px;}
.side-cta .btn-primary{background:var(--c-accent);color:#1C2210;}
.side-cta .btn-primary:hover{background:#B4E23C;color:#1C2210;}

/* ===================== 相关推荐 ===================== */
.related{padding:0 0 var(--pad-y);}
.related h2{font-size:26px;margin-bottom:8px;}
.related .related-sub{font-size:15px;color:var(--c-muted);margin-bottom:28px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.related-card{
  display:flex;gap:16px;align-items:center;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:16px;
  box-shadow:var(--sh-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--c-brand-100);}
.related-card .pic{flex:0 0 92px;width:92px;height:76px;border-radius:14px;overflow:hidden;background:var(--c-brand-100);}
.related-card .pic img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.related-card:hover .pic img{transform:scale(1.06);}
.related-card h3{font-size:16px;font-weight:600;line-height:1.5;margin:0 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.related-card:hover h3{color:var(--c-brand);}
.related-card .more{font-size:14px;color:var(--c-muted);display:inline-flex;align-items:center;gap:6px;}
.related-card .more svg{transition:transform var(--t);}
.related-card:hover .more svg{transform:translateX(3px);}

/* ===================== 页脚 ===================== */
.site-footer{background:#16101F;color:rgba(255,255,255,.72);padding:72px 0 0;}
.site-footer .footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;
}
.site-footer .logo{color:#fff;margin-bottom:16px;}
.site-footer .logo:hover{color:#fff;}
.site-footer .logo-text{color:#fff;}
.site-footer .footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px;margin:0;}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin:0 0 18px;}
.site-footer .footer-col ul{list-style:none;margin:0;padding:0;}
.site-footer .footer-col li{margin-bottom:12px;}
.site-footer .footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.site-footer .footer-col a:hover{color:var(--c-accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:14px;color:rgba(255,255,255,.55);
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.62);}
.footer-links a:hover{color:var(--c-accent);}

/* ===================== 响应式 ===================== */
@media (max-width:1439px) and (min-width:1201px){
  :root{--wrap:1200px;}
}
@media (max-width:1200px){
  :root{--wrap:1120px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:40px;}
}
@media (max-width:1023px){
  :root{--pad-y:72px;}
  .nav-menu{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .article-head{padding:120px 0 0;}
  .article-head h1{font-size:34px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .article-aside{position:static;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .site-footer .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-footer .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767px){
  :root{--pad-y:48px;}
  body{font-size:16px;}
  .wrap{padding:0 20px;}
  .nav-shell{width:calc(100% - 24px);padding:0 10px 0 8px;}
  .nav-panel{width:calc(100% - 24px);}
  .article-head{padding:112px 0 0;}
  .article-head h1{font-size:30px;}
  .article-body{padding:26px 20px 24px;border-radius:16px;font-size:16px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:19px;}
  .article-main{padding:36px 0 64px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .related-card .pic{flex:0 0 78px;width:78px;height:66px;}
  .site-footer .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn{width:100%;}
  .btn.btn-sm{width:auto;}
  .back-row .btn{width:100%;}
}
@media (max-width:520px){
  .article-head h1{font-size:27px;}
  .breadcrumb .current{max-width:200px;}
  .side-thumb img{width:56px;height:44px;}
}

/* roulang page: category2 */
:root{
  --c-brand:#6A3DF0;
  --c-brand-600:#5A2ED8;
  --c-brand-100:#EDE7FF;
  --c-accent:#C6F24E;
  --c-amber:#FF9A2E;
  --c-ink:#16121F;
  --c-ink-2:#3A3350;
  --c-muted:#6E6885;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-line:#E4DED4;
  --r-card:18px;
  --r-img:16px;
  --r-pill:999px;
  --sh-sm:0 2px 10px rgba(20,16,31,.06);
  --sh-lg:0 18px 40px -18px rgba(20,16,31,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:200ms;
  --sp:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border-style:none;}
a{color:var(--c-brand);text-decoration:none;background-color:transparent;transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease);}
a:hover{color:var(--c-brand-600);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4,h5,h6{font-family:inherit;letter-spacing:-.01em;margin:0;color:var(--c-ink);font-weight:700;}
button{font-family:inherit;}
.num,.price,.stat-num,.meta-en{font-family:"Manrope","Inter","Helvetica Neue",Arial,sans-serif;}
a:focus-visible,button:focus-visible,.pill:focus-visible{outline:3px solid rgba(198,242,78,.55);outline-offset:2px;border-radius:8px;}

.wrap{max-width:1200px;margin:0 auto;padding:0 32px;}
@media (min-width:1440px){.wrap{max-width:1280px;}}

/* ============ 悬浮胶囊导航 ============ */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:80;}
.nav-shell{
  width:calc(100% - 64px);
  max-width:1200px;
  margin:0 auto;
  min-height:64px;
  padding:9px 12px 9px 18px;
  display:flex;
  align-items:center;
  gap:16px;
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-sm);
  transition:background-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
@media (min-width:1440px){.nav-shell{max-width:1280px;}}
.site-header.is-scrolled .nav-shell{
  background:rgba(255,255,255,.92);
  box-shadow:0 8px 24px -12px rgba(20,16,31,.22);
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:800;flex:0 0 auto;}
.logo:hover{color:var(--c-ink);}
.logo-mark{
  width:34px;height:34px;border-radius:12px;
  background:var(--c-brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;line-height:1;
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center;}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:16px;color:var(--c-ink-2);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:3px;width:0;height:2px;
  background:var(--c-accent);border-radius:2px;transform:translateX(-50%);
  transition:width var(--dur) var(--ease);
}
.nav-link:hover{color:var(--c-brand);}
.nav-link:hover::after{width:18px;}
.nav-link.is-active{background:var(--c-brand-100);color:var(--c-brand);font-weight:600;}
.nav-link.is-active::after{width:0;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:14px;
  border:1px solid var(--c-line);background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
  transition:background-color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);}
.nav-toggle:hover{border-color:var(--c-brand);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-panel{
  display:none;
  width:calc(100% - 64px);max-width:560px;margin:12px auto 0;
  background:#fff;border:1px solid var(--c-line);border-radius:20px;
  box-shadow:var(--sh-lg);padding:8px 0;overflow:hidden;
}
.nav-panel.is-open{display:block;}
.nav-panel a{
  display:block;padding:0 20px;min-height:48px;line-height:48px;
  font-size:16px;color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);
}
.nav-panel a:last-child{border-bottom:0;}
.nav-panel a.is-active{color:var(--c-brand);background:var(--c-brand-100);font-weight:600;}
.nav-panel .btn{margin:14px 16px 8px;line-height:1.2;padding:14px 20px;border-bottom:0;text-align:center;}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn svg{flex:0 0 auto;}
.btn-primary{background:var(--c-brand);color:#fff;}
.btn-primary:hover{background:var(--c-brand-600);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-lg);}
.btn-ghost{background:transparent;border-color:var(--c-brand);color:var(--c-brand);}
.btn-ghost:hover{background:var(--c-brand-100);color:var(--c-brand-600);transform:translateY(-2px);}
.btn-accent{background:var(--c-accent);color:#16121F;}
.btn-accent:hover{background:#D6FF66;color:#16121F;transform:translateY(-2px);}
.btn-amber{background:var(--c-amber);color:#2A1700;}
.btn-amber:hover{background:#FFAD52;color:#2A1700;transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:15px;}
.btn-block{display:flex;width:100%;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:700;line-height:1;
  background:var(--c-accent);color:#16121F;letter-spacing:0;
}
.badge-amber{background:var(--c-amber);color:#2A1700;}
.badge-soft{background:var(--c-brand-100);color:var(--c-brand);}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--c-brand-100);color:var(--c-brand);
  font-size:13px;font-weight:600;line-height:1;
}

/* ============ 板块与标题 ============ */
.section{padding:var(--sp) 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:780px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-brand-100);color:var(--c-brand);
  font-size:13px;font-weight:700;margin-bottom:16px;
}
h1{font-size:44px;line-height:1.24;font-weight:800;margin:0 0 18px;}
h2{font-size:32px;line-height:1.32;margin:0 0 14px;}
h3{font-size:22px;line-height:1.45;font-weight:600;margin:0 0 10px;}
h4{font-size:17px;line-height:1.6;margin:0 0 8px;}
.lead{font-size:18px;line-height:1.8;color:var(--c-ink-2);margin:0 0 24px;}
.sub-note{font-size:15px;color:var(--c-muted);margin:0;}

/* ============ Hero ============ */
.cat-hero{
  padding:112px 0 24px;
  background:
    radial-gradient(1000px 420px at 88% -10%,rgba(106,61,240,.10),transparent 70%),
    radial-gradient(720px 320px at 4% 6%,rgba(198,242,78,.22),transparent 68%),
    var(--c-bg);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-muted);margin-bottom:18px;}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-brand);}
.breadcrumb span.sep{color:#C6BFD6;}
.hero-points{margin:0 0 28px;}
.hero-points li{position:relative;padding-left:26px;font-size:16px;color:var(--c-ink-2);margin-bottom:10px;}
.hero-points li::before{
  content:"";position:absolute;left:0;top:.62em;width:10px;height:10px;border-radius:4px;
  background:var(--c-accent);box-shadow:0 0 0 3px rgba(198,242,78,.28);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-media{
  position:relative;margin:0;border-radius:24px;overflow:hidden;
  border:1px solid var(--c-line);background:var(--c-brand-100);box-shadow:var(--sh-lg);
}
.hero-media img{width:100%;height:100%;min-height:300px;max-height:380px;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,16,31,0) 45%,rgba(20,16,31,.55));
  pointer-events:none;
}
.hero-media figcaption{
  position:absolute;left:20px;right:20px;bottom:16px;z-index:2;
  color:#fff;font-size:14px;line-height:1.6;text-shadow:0 1px 6px rgba(0,0,0,.45);
}
.hero-side-note{
  margin-top:18px;display:flex;flex-wrap:wrap;gap:10px;
}

/* ============ 筛选胶囊 ============ */
.filter-bar{
  position:sticky;top:88px;z-index:50;
  padding:14px 0;
  background:linear-gradient(180deg,rgba(247,244,238,.96),rgba(247,244,238,.86));
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);
  font-size:15px;font-weight:500;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.pill:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px);}
.pill.is-on{background:var(--c-brand);border-color:var(--c-brand);color:#fff;font-weight:600;}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);}
.pill.is-on .dot{background:var(--c-accent);}

/* ============ 礼包网格墙 ============ */
.pack-grid .cell{margin-bottom:28px;display:flex;}
.pack-card{
  display:flex;flex-direction:column;width:100%;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-sm);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.pack-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.thumb{position:relative;aspect-ratio:16/10;background:var(--c-brand-100);overflow:hidden;}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.pack-card:hover .thumb img{transform:scale(1.04);}
.thumb .badge{position:absolute;top:12px;left:12px;z-index:2;}
.thumb .badge-amber{position:absolute;top:12px;left:auto;right:12px;}
.pack-body{display:flex;flex-direction:column;gap:10px;padding:18px 20px 20px;flex:1;}
.pack-body h3{font-size:19px;margin:0;}
.pack-body p{
  margin:0;font-size:15px;line-height:1.78;color:var(--c-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pack-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);}
.pack-meta .price{color:var(--c-amber);font-weight:700;font-size:14px;}
.pack-meta .sep{color:#CFC8DE;}
.pack-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-brand);
}
.pack-link:hover{gap:10px;color:var(--c-brand-600);}
.pack-link svg{transition:transform var(--dur) var(--ease);}
.pack-link:hover svg{transform:translateX(2px);}

/* ============ 组合对照 ============ */
.combo-grid .cell{margin-bottom:24px;display:flex;}
.combo-card{
  width:100%;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-sm);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.combo-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:#D8CEF7;}
.combo-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;}
.combo-card p{font-size:15px;color:var(--c-muted);margin:0 0 16px;}
.combo-list li{position:relative;padding-left:24px;font-size:15px;color:var(--c-ink-2);margin-bottom:10px;}
.combo-list li::before{
  content:"";position:absolute;left:0;top:.6em;width:9px;height:9px;border-radius:3px;
  background:var(--c-brand-100);border:2px solid var(--c-brand);
}

/* ============ 数据概览 ============ */
.stats-band{
  border-radius:24px;background:var(--c-brand-100);
  border:1px solid #DFD5FF;padding:40px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.stat-item{border-left:1px solid #D6C9FA;padding-left:22px;}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-num{font-size:36px;font-weight:800;color:var(--c-brand);line-height:1.1;}
.stat-num small{font-size:16px;font-weight:700;margin-left:4px;}
.stat-label{font-size:14px;color:var(--c-ink-2);margin-top:6px;}

/* ============ 退回原因清单 ============ */
.tips-grid .cell{margin-bottom:20px;display:flex;}
.tip-card{
  width:100%;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:24px 24px 22px;display:flex;gap:16px;
  transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.tip-card:hover{box-shadow:var(--sh-lg);transform:translateY(-3px);}
.tip-icon{
  flex:0 0 44px;width:44px;height:44px;border-radius:14px;
  background:var(--c-brand-100);color:var(--c-brand);
  display:inline-flex;align-items:center;justify-content:center;
}
.tip-card h3{font-size:18px;margin:0 0 6px;}
.tip-card p{font-size:15px;color:var(--c-muted);margin:0;line-height:1.78;}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:320px minmax(0,1fr);gap:48px;align-items:start;}
.faq-aside p{font-size:15px;color:var(--c-muted);}
.faq-aside .tag{margin-bottom:14px;}
.accordion{background:transparent;margin:0;border:0;}
.accordion-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:14px;overflow:hidden;margin-bottom:12px;
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-title{
  display:block;position:relative;
  padding:18px 58px 18px 20px;
  font-size:17px;font-weight:600;color:var(--c-ink);
  border:0;background:transparent;line-height:1.6;
}
.accordion-title:hover{color:var(--c-brand);background:#FCFAFF;}
.accordion-title::before{display:none !important;}
.accordion-title::after{
  content:"+";position:absolute;right:20px;top:50%;
  transform:translateY(-50%) rotate(0deg);
  font-size:22px;font-weight:400;color:var(--c-brand);
  transition:transform var(--dur) var(--ease);
  line-height:1;
}
.accordion-item.is-active .accordion-title{color:var(--c-brand);}
.accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(45deg);}
.accordion-content{
  padding:0 20px 20px;border:0 !important;
  font-size:16px;line-height:1.85;color:var(--c-ink-2);
}
.accordion-content p{margin-bottom:.9em;}

/* ============ CTA ============ */
.cta-band{
  border-radius:24px;padding:64px;
  background:linear-gradient(140deg,#241C3A 0%,#16121F 62%,#1D1530 100%);
  color:rgba(255,255,255,.78);text-align:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;width:420px;height:420px;right:-140px;top:-180px;
  background:radial-gradient(circle,rgba(106,61,240,.55),transparent 65%);
  pointer-events:none;
}
.cta-band h2{color:#fff;position:relative;z-index:2;}
.cta-band p{font-size:16px;margin:0 auto 28px;max-width:620px;position:relative;z-index:2;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;position:relative;z-index:2;}
.cta-note{margin-top:20px;font-size:14px;color:rgba(255,255,255,.6);position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{background:#16101F;color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .logo{color:#fff;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:340px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin:0 0 16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--c-accent);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{font-size:13px;color:rgba(255,255,255,.6);}
.footer-links a:hover{color:var(--c-accent);}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .faq-wrap{grid-template-columns:280px minmax(0,1fr);gap:36px;}
}
@media (max-width:1024px){
  :root{--sp:72px;}
  .nav-menu,.nav-shell > .nav-actions .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .nav-shell{justify-content:space-between;padding:9px 10px 9px 16px;}
  .stats-band{grid-template-columns:repeat(2,1fr);gap:28px 20px;}
  .stat-item:nth-child(3){border-left:0;padding-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .cta-band{padding:52px 40px;}
  .filter-bar{top:84px;}
}
@media (max-width:768px){
  :root{--sp:48px;}
  body{font-size:16px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .wrap{padding:0 20px;}
  .nav-shell{width:calc(100% - 40px);}
  .nav-panel{width:calc(100% - 40px);}
  .logo-text{font-size:16px;}
  .cat-hero{padding:104px 0 16px;}
  .hero-media{margin-top:28px;}
  .hero-media img{min-height:220px;max-height:280px;}
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .pack-grid .cell{margin-bottom:20px;}
  .pack-card{border-radius:var(--r-img);}
  .combo-card,.tip-card{padding:22px 20px;}
  .stats-band{padding:28px 22px;grid-template-columns:1fr;gap:20px;}
  .stat-item{border-left:0;padding-left:0;border-top:1px solid #D6C9FA;padding-top:16px;}
  .stat-item:first-child{border-top:0;padding-top:0;}
  .cta-band{padding:36px 22px;border-radius:20px;}
  .faq-aside{display:none;}
  .site-footer{margin-top:64px;padding-top:56px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-brand p{max-width:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .filter-bar{top:80px;}
  .pill{font-size:14px;padding:9px 14px;}
  .hero-points li{font-size:15px;}
  .accordion-title{font-size:16px;padding:16px 52px 16px 16px;}
  .accordion-content{padding:0 16px 18px;font-size:15px;}
  .section-head{margin-bottom:28px;}
}
/* Foundation 默认样式覆盖 */
.grid-x{margin-left:-.9375rem;margin-right:-.9375rem;}
.grid-x > .cell{padding-left:.9375rem;padding-right:.9375rem;}
.grid-x.grid-margin-x{margin-left:-.9375rem;margin-right:-.9375rem;}
.grid-x.grid-margin-x > .cell{margin-left:.9375rem;margin-right:.9375rem;width:calc(100% - 1.875rem);}
@media (max-width:768px){
  .grid-x{margin-left:-.625rem;margin-right:-.625rem;}
  .grid-x > .cell{padding-left:.625rem;padding-right:.625rem;}
  .grid-x.grid-margin-x{margin-left:-.625rem;margin-right:-.625rem;}
  .grid-x.grid-margin-x > .cell{margin-left:.625rem;margin-right:.625rem;width:calc(100% - 1.25rem);}
}
@media screen and (min-width:40em){
  .grid-x.grid-margin-x > .medium-6{width:calc(50% - 1.875rem);}
}
@media screen and (min-width:64em){
  .grid-x.grid-margin-x > .large-4{width:calc(33.3333% - 1.875rem);}
  .grid-x.grid-margin-x > .large-3{width:calc(25% - 1.875rem);}
  .grid-x.grid-margin-x > .large-5{width:calc(41.6667% - 1.875rem);}
  .grid-x.grid-margin-x > .large-7{width:calc(58.3333% - 1.875rem);}
}

/* roulang page: category3 */
:root{
  --c-brand:#6A3DF0;
  --c-brand-600:#5A2ED8;
  --c-brand-100:#EDE7FF;
  --c-accent:#C6F24E;
  --c-amber:#FF9A2E;
  --c-ink:#16121F;
  --c-ink-2:#3A3350;
  --c-muted:#6E6885;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-line:#E4DED4;
  --r-card:18px;
  --r-img:16px;
  --r-pill:999px;
  --sh-1:0 2px 10px rgba(20,16,31,.06);
  --sh-2:0 18px 40px -18px rgba(20,16,31,.28);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Manrope","Inter","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink-2);
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font);
  color:var(--c-ink);
  line-height:1.36;
  letter-spacing:0;
  margin:0 0 .6em;
  font-weight:700;
}
h1{font-size:44px;font-weight:800}
h2{font-size:32px}
h3{font-size:22px;font-weight:600}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
a{color:var(--c-brand);text-decoration:none;transition:color var(--ease)}
a:hover,a:focus{color:var(--c-brand-600)}
ul,ol{margin:0;padding:0}
img{max-width:100%;display:block}
button{font-family:inherit;font-size:inherit}
.button{background-color:var(--c-brand);color:#fff;border-radius:var(--r-pill);font-family:var(--font);border:none}
.button:hover,.button:focus{background-color:var(--c-brand-600);color:#fff}
.callout{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card)}
:focus-visible{outline:3px solid rgba(198,242,78,.55);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:72px 0 96px}
.section-head{max-width:780px;margin-bottom:44px}
.section-head h2{margin:0 0 14px}
.section-head p{color:var(--c-muted);font-size:17px;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--c-brand);
  background:var(--c-brand-100);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:18px;line-height:1.6;
}
.muted{color:var(--c-muted)}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:120;padding:0 20px}
.nav-shell{
  max-width:1200px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:16px;
  padding:0 14px 0 18px;
  background:rgba(255,255,255,.72);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  backdrop-filter:blur(14px) saturate(150%);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled .nav-shell{
  background:rgba(255,255,255,.92);
  box-shadow:0 8px 24px -12px rgba(20,16,31,.22);
}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:12px;background:var(--c-brand);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;line-height:1;
}
.logo-text{font-size:17px;font-weight:700;color:var(--c-ink);white-space:nowrap}
.nav-menu{
  list-style:none;display:flex;align-items:center;justify-content:center;
  gap:4px;flex:1;margin:0;padding:0;
}
.nav-link{
  position:relative;display:inline-block;padding:9px 14px;border-radius:var(--r-pill);
  color:var(--c-ink-2);font-size:16px;line-height:1.4;transition:color var(--ease),background var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:4px;width:0;height:2px;border-radius:2px;
  background:var(--c-accent);transform:translateX(-50%);transition:width var(--ease);
}
.nav-link:hover{color:var(--c-brand)}
.nav-link:hover::after{width:16px}
.nav-link.is-active{background:var(--c-brand-100);color:var(--c-brand);font-weight:600}
.nav-link.is-active::after{width:16px}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;padding:0;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;cursor:pointer;
  place-items:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform var(--ease),opacity var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-panel{
  display:none;max-width:1200px;margin:10px auto 0;padding:8px;
  background:rgba(255,255,255,.97);border:1px solid var(--c-line);
  border-radius:20px;box-shadow:var(--sh-2);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.nav-panel.is-open{display:block}
.nav-panel a{
  display:block;height:48px;line-height:48px;padding:0 16px;border-radius:14px;
  color:var(--c-ink-2);font-size:16px;border-bottom:1px solid var(--c-line);
}
.nav-panel a:last-of-type{border-bottom:none}
.nav-panel a:hover{background:#F4F1FA;color:var(--c-brand)}
.nav-panel a.is-active{background:var(--c-brand-100);color:var(--c-brand);font-weight:600}
.nav-panel .btn{height:auto;line-height:1.4;margin-top:10px;text-align:center}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;line-height:1.3;
  border:1px solid transparent;cursor:pointer;
  text-decoration:none;transition:background var(--ease),color var(--ease),transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--c-brand);color:#fff}
.btn-primary:hover,.btn-primary:focus{background:var(--c-brand-600);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--c-brand);color:var(--c-brand)}
.btn-ghost:hover,.btn-ghost:focus{background:var(--c-brand-100);color:var(--c-brand)}
.btn-accent{background:var(--c-accent);color:#16121F}
.btn-accent:hover,.btn-accent:focus{background:#B7E63F;color:#16121F;transform:translateY(-2px)}
.btn-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-light:hover,.btn-light:focus{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.7)}
.btn-sm{padding:10px 20px;font-size:15px}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:150px 0 104px;
  color:#fff;
  background-image:linear-gradient(180deg,rgba(22,18,31,.78) 0%,rgba(22,18,31,.58) 55%,rgba(22,18,31,.72) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  overflow:hidden;
}
.hero-inner{max-width:840px}
.hero h1{color:#fff;font-size:44px;line-height:1.32;margin:0 0 18px}
.hero-sub{font-size:19px;line-height:1.8;color:rgba(255,255,255,.88);margin:0 0 24px;max-width:660px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:6px}
.hero-tags span{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);font-size:14px;line-height:1.6;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);color:#fff;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.anchor-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;padding-top:26px;border-top:1px solid rgba(255,255,255,.18)}
.anchor-bar a{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:var(--r-pill);font-size:15px;
  color:#fff;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.anchor-bar a:hover{background:var(--c-accent);border-color:var(--c-accent);color:#16121F;transform:translateY(-2px)}

/* ---------- 信任条 ---------- */
.trust-bar{
  position:relative;z-index:3;margin-top:-52px;
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;
}
.trust-item{padding:26px 24px;border-right:1px solid var(--c-line)}
.trust-item:last-child{border-right:none}
.trust-item .ico{color:var(--c-brand);margin-bottom:10px}
.trust-item h3{font-size:16px;font-weight:600;margin:0 0 6px;color:var(--c-ink)}
.trust-item p{font-size:14px;line-height:1.75;color:var(--c-muted);margin:0}

/* ---------- 步骤流程 ---------- */
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.steps::before{
  content:"";position:absolute;top:46px;left:5%;right:5%;height:2px;
  background:repeating-linear-gradient(90deg,var(--c-line) 0 8px,transparent 8px 16px);
}
.step{
  position:relative;z-index:2;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-num{
  width:38px;height:38px;border-radius:var(--r-pill);margin-bottom:14px;
  background:var(--c-brand-100);color:var(--c-brand);
  display:grid;place-items:center;font-family:var(--font-num);font-weight:800;font-size:16px;
}
.step h3{font-size:19px;margin:0 0 8px}
.step p{font-size:15px;line-height:1.8;color:var(--c-muted);margin:0}
.step-note{
  margin-top:28px;display:inline-flex;align-items:center;gap:10px;
  background:var(--c-brand-100);color:var(--c-brand);
  padding:12px 20px;border-radius:var(--r-pill);font-size:15px;font-weight:500;
}

/* ---------- 两栏对照 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.compare-card.is-alt{background:linear-gradient(180deg,#FBF9FF 0%,#FFFFFF 70%);border-color:#DCD2FF}
.compare-card h3{margin:0 0 6px}
.compare-card .tag-line{font-size:14px;font-weight:600;color:var(--c-brand);margin:0 0 18px}
.compare-list{list-style:none;display:grid;gap:12px}
.compare-list li{display:flex;gap:10px;font-size:15.5px;line-height:1.78;color:var(--c-ink-2)}
.compare-list .tick{
  flex:0 0 auto;width:22px;height:22px;border-radius:var(--r-pill);margin-top:5px;
  background:var(--c-accent);color:#16121F;display:grid;place-items:center;
}
.compare-foot{margin-top:22px;font-size:14px;color:var(--c-muted)}

/* ---------- 设置要点卡片 ---------- */
.card-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.set-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.set-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.set-card .thumb{aspect-ratio:16/10;background:var(--c-brand-100);overflow:hidden}
.set-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.7,.3,1)}
.set-card:hover .thumb img{transform:scale(1.04)}
.set-card .body{padding:22px 20px 24px}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:24px;
}
.badge-lime{background:var(--c-accent);color:#16121F}
.badge-amber{background:var(--c-amber);color:#2A1A03}
.badge-violet{background:var(--c-brand-100);color:var(--c-brand)}
.set-card h3{font-size:19px;margin:14px 0 8px}
.set-card p{font-size:15px;line-height:1.8;color:var(--c-muted);margin:0}
.set-card .link-row{margin-top:16px;font-size:15px;font-weight:600}

/* ---------- FAQ ---------- */
.accordion{background:transparent;border:none;margin:0}
.accordion-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;
}
.accordion-item:last-child{margin-bottom:0}
.accordion-title{
  position:relative;display:block;padding:20px 60px 20px 22px;
  font-size:17px;font-weight:600;color:var(--c-ink);
  background:transparent;border:none;line-height:1.6;
  transition:background var(--ease),color var(--ease);
}
.accordion-title:hover{background:#FAF8FF;color:var(--c-brand)}
.accordion-title::before{
  content:"";position:absolute;right:26px;top:50%;
  width:9px;height:9px;margin:0;border:none;background:transparent;
  border-right:2px solid var(--c-brand);border-bottom:2px solid var(--c-brand);
  transform:translateY(-70%) rotate(45deg);
  transition:transform var(--ease);
}
.accordion-item.is-active .accordion-title::before{transform:translateY(-25%) rotate(-135deg)}
.accordion-content{
  padding:0 22px 22px;background:transparent;border:none;
  font-size:16px;line-height:1.85;color:var(--c-ink-2);
}
.accordion-content p{margin:0}

/* ---------- 深色 CTA ---------- */
.cta-dark{
  background:radial-gradient(120% 140% at 12% 0%,#2B2242 0%,#1B1629 45%,#16121F 100%);
  border-radius:24px;padding:64px;color:#fff;text-align:center;
  border:1px solid rgba(255,255,255,.08);
}
.cta-dark h2{color:#fff;margin:0 0 14px}
.cta-dark p{color:rgba(255,255,255,.78);font-size:17px;margin:0 auto 30px;max-width:620px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-note{margin-top:22px;font-size:14px;color:rgba(255,255,255,.6);line-height:1.75}

/* ---------- 页脚 ---------- */
.site-footer{background:#16101F;color:rgba(255,255,255,.72);margin-top:96px;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.site-footer .logo-text{color:#fff}
.footer-brand p{margin:16px 0 0;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:330px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin:0 0 14px}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;line-height:1.7}
.footer-col a:hover,.footer-col a:focus{color:var(--c-accent)}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.55);
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-links a{color:rgba(255,255,255,.55);font-size:13.5px}
.footer-links a:hover,.footer-links a:focus{color:var(--c-accent)}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  .wrap,.nav-shell,.nav-panel{max-width:1280px}
}
@media (max-width:1200px){
  .wrap,.nav-shell,.nav-panel{max-width:1120px}
  .nav-link{padding:9px 11px;font-size:15px}
}
@media (max-width:1023px){
  .nav-menu{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:grid}
  .section{padding:72px 0}
  .hero{padding:138px 0 92px}
  .hero h1{font-size:36px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps::before{display:none}
  .card-grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-dark{padding:48px 32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  .site-header{padding:0 12px;top:12px}
  .nav-shell{height:60px;padding:0 10px 0 14px}
  .section{padding:48px 0}
  .hero{padding:126px 0 76px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:17px}
  h2{font-size:24px}
  .section-head h2{font-size:24px}
  .compare{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .card-grid-3{grid-template-columns:1fr}
  .trust-bar{grid-template-columns:1fr 1fr;margin-top:-36px}
  .trust-item{border-right:none;border-bottom:1px solid var(--c-line);padding:20px 18px}
  .trust-item:nth-child(odd){border-right:1px solid var(--c-line)}
  .trust-item:nth-last-child(-n+2){border-bottom:none}
  .compare-card,.step{padding:22px 18px}
  .cta-dark{padding:38px 22px;border-radius:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-links{gap:14px}
}
@media (max-width:520px){
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .accordion-title{padding:18px 52px 18px 18px;font-size:16px}
  .accordion-content{padding:0 18px 20px}
  .logo-text{font-size:15px}
}