/* roulang page: index */
:root{
    --brand:#5B21B6;
    --brand-2:#00C9A7;
    --amber:#FFB020;
    --ink:#18121F;
    --muted:#6B6478;
    --bg:#F8F6F2;
    --card:#FFFFFF;
    --line:#E8E1F0;
    --grad:linear-gradient(135deg,#5B21B6 0%,#00C9A7 100%);
    --shadow-s:0 8px 20px rgba(43,16,85,.06);
    --shadow-m:0 12px 30px rgba(43,16,85,.08);
    --shadow-l:0 20px 46px rgba(43,16,85,.16);
    --r-s:12px; --r-m:16px; --r-l:24px; --r-xl:32px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    background:var(--bg);
    color:var(--ink);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    font-variant-numeric:tabular-nums;
  }
  img{max-width:100%;display:block;}
  a{text-decoration:none;color:inherit;}
  button,input,textarea,select{font:inherit;color:inherit;}
  h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:-.01em;}
  p{margin:0;}
  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
  .section{padding:96px 0;}
  .section-sm{padding:64px 0;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand);
    background:rgba(91,33,182,.08);border:1px solid rgba(91,33,182,.16);
    border-radius:999px;padding:6px 14px;
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad);}
  .h1{font-size:clamp(2rem,4vw,3.1rem);letter-spacing:-.02em;}
  .h2{font-size:clamp(1.5rem,2.6vw,2rem);}
  .h3{font-size:1.175rem;}
  .lead{color:var(--muted);font-size:1.0625rem;line-height:1.85;}

  /* 导航 */
  .site-header{
    position:sticky;top:0;z-index:70;background:rgba(255,255,255,.94);
    backdrop-filter:saturate(160%) blur(10px);
    border-bottom:1px solid var(--line);
  }
  .site-header::after{
    content:"";display:block;height:2px;background:var(--grad);opacity:.9;
  }
  .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
  .logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:1.125rem;letter-spacing:-.01em;white-space:nowrap;}
  .logo-mark{
    width:38px;height:38px;border-radius:12px;background:var(--grad);
    display:grid;place-items:center;color:#fff;font-size:.95rem;font-weight:800;
    box-shadow:0 8px 18px rgba(91,33,182,.28);flex:0 0 auto;
  }
  .nav-links{display:flex;align-items:center;gap:6px;}
  .nav-link{
    position:relative;padding:9px 15px;border-radius:999px;font-size:.9375rem;
    font-weight:600;color:var(--muted);transition:.22s;
  }
  .nav-link:hover{color:var(--brand);background:rgba(91,33,182,.07);}
  .nav-link.active{color:var(--brand);background:rgba(91,33,182,.10);}
  .nav-link.active::after{
    content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;
    border-radius:2px;background:var(--grad);
  }
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:14px;padding:12px 22px;font-weight:700;font-size:.9375rem;
    border:1px solid transparent;cursor:pointer;transition:.22s;white-space:nowrap;
  }
  .btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(91,33,182,.26);}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(91,33,182,.34);filter:brightness(1.05);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:#fff;color:var(--brand);border-color:rgba(91,33,182,.28);}
  .btn-ghost:hover{background:rgba(91,33,182,.07);transform:translateY(-2px);}
  .btn-quiet{background:transparent;color:var(--brand);border-color:transparent;}
  .btn-quiet:hover{background:rgba(0,201,167,.12);}
  .btn:focus-visible{outline:3px solid rgba(0,201,167,.55);outline-offset:2px;}
  .btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;}

  .burger{
    display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
    background:#fff;align-items:center;justify-content:center;cursor:pointer;color:var(--brand);
  }
  .mobile-drawer{
    display:none;border-top:1px solid var(--line);background:#fff;
    padding:14px 20px 22px;
  }
  .mobile-drawer.open{display:block;}
  .mobile-drawer a{
    display:block;padding:12px 14px;border-radius:12px;font-weight:600;color:var(--muted);
  }
  .mobile-drawer a:hover,.mobile-drawer a.active{background:rgba(91,33,182,.08);color:var(--brand);}

  /* Hero */
  .hero{
    position:relative;overflow:hidden;
    background-image:linear-gradient(120deg,rgba(24,18,31,.88),rgba(91,33,182,.72)),url('/assets/images/backpic/back-1.png');
    background-size:cover;background-position:center;
    color:#fff;border-radius:0 0 40px 40px;
  }
  .hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.35;
    background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
    background-size:64px 64px;
  }
  .hero-inner{position:relative;z-index:2;padding:72px 0 84px;}
  .hero h1{color:#fff;}
  .hero .lead{color:rgba(255,255,255,.82);}
  .hero-card{
    background:#fff;color:var(--ink);border-radius:var(--r-l);padding:18px;
    box-shadow:var(--shadow-l);
  }
  .hero-media{position:relative;}
  .hero-media img{border-radius:var(--r-l);}
  .float-card{
    position:absolute;left:-18px;bottom:24px;background:#fff;border-radius:var(--r-m);
    padding:14px 16px;box-shadow:var(--shadow-l);display:flex;gap:12px;align-items:center;
    border:1px solid var(--line);min-width:210px;
  }
  .float-card img{width:48px;height:48px;border-radius:12px;object-fit:cover;}
  .badge{
    display:inline-flex;align-items:center;gap:7px;border-radius:999px;padding:6px 13px;
    font-size:.8125rem;font-weight:700;background:rgba(0,201,167,.12);color:#04796A;
  }
  .badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-2);}
  .badge-amber{background:rgba(255,176,32,.16);color:#8A5A00;}
  .badge-amber::before{background:var(--amber);}
  .badge-purple{background:rgba(91,33,182,.10);color:var(--brand);}
  .badge-purple::before{background:var(--brand);}
  .badge-glass{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.26);}
  .badge-glass::before{background:#7CF0DA;}

  /* 倒计时 */
  .countdown{
    display:flex;flex-wrap:wrap;align-items:center;gap:14px;
    background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
    border-radius:var(--r-m);padding:14px 18px;backdrop-filter:blur(6px);
  }
  .count-cell{
    min-width:66px;text-align:center;background:rgba(24,18,31,.42);border-radius:12px;padding:8px 10px;
  }
  .count-cell b{display:block;font-size:1.375rem;font-weight:800;line-height:1.2;}
  .count-cell span{font-size:.75rem;color:rgba(255,255,255,.72);}

  /* 卡片 */
  .card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);
    box-shadow:var(--shadow-s);transition:.26s;overflow:hidden;
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:#D8CBF0;}
  .card-body{padding:22px;}
  .thumb{
    border-radius:var(--r-m);overflow:hidden;background:#EFEAF7;
  }
  .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s;}
  .card:hover .thumb img{transform:scale(1.04);}
  .spec{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
  .spec span{
    font-size:.8125rem;color:var(--muted);background:#F4F1FA;border-radius:8px;padding:5px 10px;font-weight:600;
  }
  .arrow-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand);font-size:.9375rem;}
  .arrow-link i{transition:transform .22s;font-style:normal;}
  .card:hover .arrow-link i{transform:translateX(4px);}

  /* 保障条 */
  .assure{
    display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-m);padding:20px;box-shadow:var(--shadow-s);transition:.24s;
  }
  .assure:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);}
  .assure-icon{
    width:44px;height:44px;border-radius:14px;display:grid;place-items:center;flex:0 0 auto;
    background:rgba(91,33,182,.09);color:var(--brand);font-weight:800;
  }

  /* 排行表 */
  .rank-table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border-radius:var(--r-l);overflow:hidden;border:1px solid var(--line);}
  .rank-table th{
    background:#F4F1FA;font-size:.8125rem;color:var(--muted);text-align:left;
    padding:14px 18px;font-weight:700;letter-spacing:.04em;
  }
  .rank-table td{padding:16px 18px;border-top:1px solid var(--line);font-size:.9375rem;}
  .rank-table tr:hover td{background:#FBF9FE;}
  .rank-no{
    width:30px;height:30px;border-radius:10px;display:grid;place-items:center;font-weight:800;font-size:.8125rem;
    background:rgba(91,33,182,.09);color:var(--brand);
  }
  .rank-no.top{background:var(--grad);color:#fff;}

  /* 评价滚动 */
  .snap-row{display:flex;gap:20px;overflow-x:auto;padding:6px 4px 20px;scroll-snap-type:x mandatory;}
  .snap-row::-webkit-scrollbar{height:8px;}
  .snap-row::-webkit-scrollbar-thumb{background:#D8CBF0;border-radius:8px;}
  .snap-card{
    flex:0 0 300px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-l);padding:22px;box-shadow:var(--shadow-s);
  }
  .avatar{
    width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;
    background:var(--grad);flex:0 0 auto;
  }
  .stars{color:var(--amber);letter-spacing:2px;font-size:.875rem;}

  /* CMS 列表 */
  .post-card{
    display:grid;grid-template-columns:200px 1fr;gap:20px;align-items:stretch;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;
    box-shadow:var(--shadow-s);transition:.26s;
  }
  .post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:#D8CBF0;}
  .post-card .thumb{height:100%;min-height:160px;border-radius:0;}
  .post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:.8125rem;color:var(--muted);}
  .empty-state{
    border:2px dashed var(--line);border-radius:var(--r-l);padding:48px 24px;text-align:center;
    color:var(--muted);background:#fff;
  }

  /* FAQ */
  .faq-item{
    position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
    overflow:hidden;transition:.24s;
  }
  .faq-item + .faq-item{margin-top:14px;}
  .faq-item summary{
    list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;display:flex;
    align-items:center;justify-content:space-between;gap:16px;font-size:1rem;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"+";font-size:1.25rem;color:var(--brand);font-weight:700;transition:.24s;
  }
  .faq-item[open] summary::after{content:"−";}
  .faq-item[open]{border-color:#CDB9F2;box-shadow:var(--shadow-m);}
  .faq-item[open] summary::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);
  }
  .faq-answer{padding:0 22px 20px;color:var(--muted);line-height:1.85;font-size:.9375rem;}

  /* CTA */
  .cta-panel{
    background:var(--grad);border-radius:var(--r-xl);padding:52px;color:#fff;position:relative;overflow:hidden;
    box-shadow:0 26px 60px rgba(43,16,85,.24);
  }
  .cta-panel::after{
    content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:50%;
    background:rgba(255,255,255,.14);
  }
  .form-field{
    width:100%;border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#fff;
    transition:.2s;
  }
  .form-field:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,201,167,.28);}
  .form-label{font-size:.875rem;font-weight:700;color:var(--ink);margin-bottom:6px;display:block;}

  /* 页脚 */
  .site-footer{background:var(--ink);color:rgba(255,255,255,.72);position:relative;margin-top:96px;}
  .site-footer::before{content:"";display:block;height:3px;background:var(--grad);}
  .footer-title{color:#fff;font-weight:800;font-size:1rem;margin-bottom:14px;}
  .footer-link{display:block;padding:6px 0;font-size:.9375rem;color:rgba(255,255,255,.66);transition:.2s;}
  .footer-link:hover{color:#7CF0DA;transform:translateX(3px);}
  .footer-divider{border-top:1px solid rgba(255,255,255,.12);}

  #toTop{
    position:fixed;right:22px;bottom:26px;width:48px;height:48px;border-radius:14px;
    background:var(--grad);color:#fff;border:none;cursor:pointer;display:none;
    box-shadow:var(--shadow-m);z-index:80;font-weight:800;
  }
  #toTop.show{display:grid;place-items:center;}

  .sticky-bar{
    display:none;position:fixed;left:0;right:0;bottom:0;z-index:75;background:#fff;
    border-top:1px solid var(--line);padding:10px 16px;box-shadow:0 -8px 24px rgba(43,16,85,.10);
    align-items:center;justify-content:space-between;gap:12px;
  }

  @media (max-width:1024px){
    .section{padding:64px 0;}
    .burger{display:flex;}
    .nav-links{display:none;}
    .hero{border-radius:0 0 28px 28px;}
    .hero-inner{padding:52px 0 62px;}
    .post-card{grid-template-columns:1fr;}
    .post-card .thumb{min-height:200px;}
  }
  @media (max-width:768px){
    .section{padding:48px 0;}
    .cta-panel{padding:32px 22px;}
    .float-card{left:0;bottom:-18px;}
    .sticky-bar{display:flex;}
    .site-footer{margin-top:64px;padding-bottom:64px;}
    #toTop{bottom:82px;}
    .snap-card{flex:0 0 82%;}
  }
  @media (max-width:520px){
    .container{padding:0 16px;}
    .count-cell{min-width:56px;}
    .assure{padding:16px;}
  }

/* roulang page: article */
:root{
  --brand:#5B21B6;
  --brand-deep:#431a8c;
  --brand-2:#00C9A7;
  --amber:#FFB020;
  --ink:#18121F;
  --muted:#6B6478;
  --bg:#F8F6F2;
  --card:#FFFFFF;
  --line:#E8E1F0;
  --soft:#F1ECFA;
  --grad:linear-gradient(135deg,#5B21B6 0%,#00C9A7 100%);
  --shadow-sm:0 4px 14px rgba(43,16,85,.06);
  --shadow:0 12px 30px rgba(43,16,85,.08);
  --shadow-lg:0 20px 46px rgba(43,16,85,.14);
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --pad-block:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,opacity .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(0,201,167,.55);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px;}
.section{padding-top:var(--pad-block);padding-bottom:var(--pad-block);}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";display:block;height:3px;background:var(--grad);opacity:.9;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:74px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.0625rem;letter-spacing:.01em;white-space:nowrap;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-size:.8125rem;font-weight:800;letter-spacing:.02em;
  box-shadow:var(--shadow-sm);
}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:999px;font-size:.9375rem;color:#3b3547;font-weight:500;
}
.nav-link:hover{color:var(--brand);background:var(--soft);}
.nav-link.active{color:var(--brand);background:var(--soft);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--grad);
}
.nav-cta{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:14px 24px 22px;
}
.drawer.open{display:block;}
.drawer .nav-link{display:block;padding:12px 14px;border-radius:14px;}
.drawer .btn{margin-top:12px;width:100%;justify-content:center;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:14px;font-weight:700;font-size:.9375rem;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(91,33,182,.24);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(91,33,182,.3);filter:brightness(1.05);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;border-color:#D9CFF0;color:var(--brand);}
.btn-outline:hover{background:var(--soft);transform:translateY(-2px);}
.btn-ghost{background:rgba(0,201,167,.08);color:#0b7a66;}
.btn-ghost:hover{background:rgba(0,201,167,.16);transform:translateY(-2px);}
.btn-sm{padding:9px 16px;font-size:.875rem;border-radius:12px;}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;
  font-size:.8125rem;font-weight:700;background:var(--soft);color:var(--brand);
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-2);}
.badge-glass{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.28);}
.badge-glass::before{background:var(--amber);}
.badge-amber{background:rgba(255,176,32,.16);color:#8a5b00;}
.badge-amber::before{background:var(--amber);}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:var(--muted);padding:14px 0;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C9BFDD;}
.crumb .current{color:var(--brand);font-weight:700;}

/* ---------- article head ---------- */
.article-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.article-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(67,26,140,.94) 0%,rgba(0,201,167,.72) 100%);}
.article-hero .grid-lines{
  position:absolute;inset:0;opacity:.18;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:46px 46px;
}
.article-hero .inner{position:relative;padding:56px 0 64px;max-width:860px;}
.article-hero h1{font-size:2.125rem;margin:18px 0 16px;color:#fff;}
.article-hero p.lead{font-size:1rem;color:rgba(255,255,255,.9);max-width:720px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:22px;font-size:.875rem;color:rgba(255,255,255,.9);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.6);}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.stat{
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
  border-radius:14px;padding:12px 18px;min-width:132px;
}
.stat b{display:block;font-size:1.25rem;font-weight:800;color:#fff;}
.stat span{font-size:.8125rem;color:rgba(255,255,255,.82);}

/* ---------- layout ---------- */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:start;}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);}
.article-card{padding:34px 38px 38px;}
.cover-wrap{margin:0 0 30px;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);}
.cover-wrap img{width:100%;height:auto;border-radius:var(--r-lg);}

/* ---------- article body ---------- */
.article-body{max-width:800px;font-size:1.0625rem;line-height:1.9;color:#2b2436;}
.article-body>*+*{margin-top:1em;}
.article-body h2{
  font-size:1.5rem;margin-top:2.1em;padding-left:14px;position:relative;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--grad);
}
.article-body h3{font-size:1.1875rem;margin-top:1.7em;color:var(--brand-deep);}
.article-body h4{font-size:1.0625rem;margin-top:1.4em;}
.article-body p{margin-top:.9em;}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(91,33,182,.3);}
.article-body a:hover{color:#0b7a66;border-color:rgba(0,201,167,.5);}
.article-body ul,.article-body ol{margin-top:.9em;padding-left:1.35em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-top:.45em;}
.article-body li::marker{color:var(--brand-2);font-weight:700;}
.article-body blockquote{
  margin-top:1.3em;padding:18px 22px;border-left:4px solid var(--brand-2);
  background:var(--soft);border-radius:0 var(--r-md) var(--r-md) 0;color:#3d3450;
}
.article-body img{margin-top:1.3em;border-radius:var(--r-md);box-shadow:var(--shadow);}
.article-body figure{margin-top:1.3em;}
.article-body figcaption{font-size:.875rem;color:var(--muted);text-align:center;margin-top:8px;}
.article-body table{width:100%;margin-top:1.3em;border-collapse:collapse;font-size:.9375rem;border-radius:var(--r-md);overflow:hidden;}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.article-body th{background:var(--soft);color:var(--brand-deep);font-weight:700;}
.article-body tr:nth-child(even) td{background:#FCFAF7;}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;
  background:#F2EEF9;color:#4c1d95;padding:2px 6px;border-radius:6px;
}
.article-body pre{
  margin-top:1.3em;background:#1d1526;color:#EDE7F6;padding:18px 20px;border-radius:var(--r-md);overflow-x:auto;line-height:1.7;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body hr{margin-top:2em;border:0;border-top:1px solid var(--line);}

/* ---------- side ---------- */
.side-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.side-card{padding:22px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);}
.side-title{font-size:1rem;font-weight:800;margin-bottom:12px;}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 12px;border-radius:12px;font-size:.9375rem;color:#3b3547;}
.side-list a:hover{background:var(--soft);color:var(--brand);}
.side-list a span.arrow{transition:transform .2s ease;color:var(--brand-2);}
.side-list a:hover span.arrow{transform:translateX(4px);}
.side-note{background:linear-gradient(135deg,rgba(91,33,182,.06),rgba(0,201,167,.1));border:1px solid var(--line);}

/* ---------- tags & related ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;padding-top:24px;border-top:1px dashed var(--line);}
.tag{padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:.8125rem;color:var(--muted);}
.tag:hover{border-color:#C9B9EA;color:var(--brand);background:var(--soft);}
.block-title{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;}
.block-title h2{font-size:1.5rem;}
.block-title p{color:var(--muted);font-size:.9375rem;margin-top:6px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#D9CFF0;}
.rel-card .thumb{aspect-ratio:16/10;overflow:hidden;border-radius:0;}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease;}
.rel-card:hover .thumb img{transform:scale(1.04);}
.rel-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-card h3{font-size:1.0625rem;line-height:1.5;}
.rel-card p{font-size:.875rem;color:var(--muted);}
.rel-card .more{margin-top:auto;font-size:.875rem;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.rel-card:hover .more{color:#0b7a66;}

/* ---------- guarantee strip ---------- */
.guarantee{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.g-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--shadow-sm);}
.g-item .ico{
  width:38px;height:38px;border-radius:11px;background:var(--soft);color:var(--brand);
  display:grid;place-items:center;font-weight:800;font-size:.8125rem;margin-bottom:12px;
}
.g-item h3{font-size:1rem;margin-bottom:6px;}
.g-item p{font-size:.875rem;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 4px;font-weight:700;font-size:1rem;color:var(--ink);
}
.faq-q:hover{color:var(--brand);}
.faq-item.open .faq-q{color:var(--brand);}
.faq-ic{
  flex:none;width:24px;height:24px;border-radius:8px;background:var(--soft);color:var(--brand);
  display:grid;place-items:center;font-size:1rem;font-weight:700;transition:transform .25s ease,background .25s ease;
}
.faq-item.open .faq-ic{transform:rotate(45deg);background:var(--grad);color:#fff;}
.faq-a{display:none;padding:0 4px 20px;color:var(--muted);font-size:.9375rem;position:relative;}
.faq-item.open .faq-a{display:block;}
.faq-a::before{content:"";position:absolute;left:-14px;top:6px;bottom:22px;width:3px;border-radius:3px;background:var(--grad);opacity:.75;}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-xl);color:#fff;
  background:var(--grad);padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-lg);
}
.cta-panel::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-panel h2{font-size:1.75rem;color:#fff;}
.cta-panel p{margin-top:12px;color:rgba(255,255,255,.9);max-width:620px;font-size:.9375rem;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;}

/* ---------- footer ---------- */
.site-footer{background:#18121F;color:#D9D2E4;border-top:3px solid transparent;border-image:var(--grad) 1;margin-top:0;}
.site-footer .logo{color:#fff;}
.site-footer p{color:#B9B0C7;}
.footer-title{color:#fff;font-weight:800;font-size:.9375rem;margin-bottom:14px;}
.footer-link{display:block;color:#B9B0C7;font-size:.9375rem;padding:5px 0;}
.footer-link:hover{color:var(--brand-2);}
.footer-divider{border-top:1px solid rgba(255,255,255,.12);}

/* ---------- misc ---------- */
.notice{
  border:1px dashed #D9CFF0;background:linear-gradient(135deg,rgba(91,33,182,.05),rgba(0,201,167,.08));
  border-radius:var(--r-lg);padding:26px 28px;display:flex;gap:16px;align-items:flex-start;
}
.notice .ico{flex:none;width:42px;height:42px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;}
.empty-state{
  border:1px dashed #D3C7EC;border-radius:var(--r-lg);padding:48px 24px;text-align:center;background:#fff;
}
.empty-state .dotmark{width:54px;height:54px;border-radius:50%;background:var(--soft);margin:0 auto 16px;display:grid;place-items:center;color:var(--brand);font-weight:800;}
.empty-state p{color:var(--muted);margin-top:8px;}
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:70;width:46px;height:46px;border-radius:14px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);display:grid;place-items:center;color:var(--brand);font-weight:800;
  opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease;
}
.to-top.show{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-3px);}

@media (max-width:1024px){
  :root{--pad-block:64px;}
  .layout{grid-template-columns:minmax(0,1fr);}
  .side-stack{position:static;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta .btn{display:none;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .guarantee{grid-template-columns:repeat(2,minmax(0,1fr));}
  .article-hero h1{font-size:1.75rem;}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:38px;}
}
@media (max-width:768px){
  :root{--pad-block:56px;}
  .container{padding-left:18px;padding-right:18px;}
  .article-card{padding:24px 18px 28px;}
  .article-body{font-size:1rem;}
  .faq-grid{grid-template-columns:minmax(0,1fr);}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .article-hero .inner{padding:40px 0 48px;}
  .article-hero h1{font-size:1.5rem;}
  .cta-panel h2{font-size:1.375rem;}
}
@media (max-width:520px){
  .guarantee{grid-template-columns:minmax(0,1fr);}
  .stat{min-width:118px;padding:10px 14px;}
  .logo{font-size:.9375rem;}
  .hero-stats{gap:8px;}
}

/* roulang page: category1 */
:root{
    --brand:#5B21B6;
    --brand-2:#7C3AED;
    --cyan:#00C9A7;
    --amber:#FFB020;
    --ink:#18121F;
    --muted:#6B6478;
    --bg:#F8F6F2;
    --card:#FFFFFF;
    --line:#E8E1F0;
    --grad:linear-gradient(135deg,#5B21B6 0%,#00C9A7 100%);
    --grad-soft:linear-gradient(135deg,rgba(91,33,182,.10),rgba(0,201,167,.12));
    --r-sm:12px;
    --r-md:16px;
    --r-lg:24px;
    --r-xl:32px;
    --sh-sm:0 6px 18px rgba(43,16,85,.06);
    --sh:0 12px 30px rgba(43,16,85,.08);
    --sh-lg:0 20px 44px rgba(43,16,85,.14);
    --maxw:1240px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  html body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    background:var(--bg);
    color:var(--ink);
    font-size:16.5px;
    line-height:1.75;
    font-weight:400;
    letter-spacing:.005em;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  h1,h2,h3,h4,p,dl,dd,dt,figure{margin:0}
  ul{margin:0;padding:0;list-style:none}
  :focus-visible{outline:3px solid rgba(0,201,167,.6);outline-offset:2px;border-radius:8px}

  html body .container{width:100%;max-width:var(--maxw);margin:0 auto;padding-left:24px;padding-right:24px}
  @media (max-width:640px){ html body .container{padding-left:16px;padding-right:16px} }

  /* ============ 顶部导航 ============ */
  .site-header{position:sticky;top:0;z-index:70;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);box-shadow:0 1px 0 rgba(232,225,240,.9)}
  .site-header::after{content:"";display:block;height:2px;background:var(--grad);opacity:.9}
  .header-inner{display:flex;align-items:center;gap:20px;height:76px}
  .logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.0625rem;white-space:nowrap;color:var(--ink)}
  .logo-mark{width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:.8125rem;font-weight:800;letter-spacing:.04em;box-shadow:var(--sh-sm);flex:none}
  .logo-text{letter-spacing:.01em}
  .nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
  .nav-link{position:relative;padding:9px 14px;border-radius:999px;font-size:.9375rem;font-weight:500;color:var(--muted)}
  .nav-link:hover{color:var(--brand);background:#F3EEFB}
  .nav-link.active{color:var(--brand);background:#F1EBFB;font-weight:700}
  .nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--grad)}
  .header-cta{display:flex;align-items:center;gap:10px;margin-left:12px}
  .menu-toggle{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;box-shadow:var(--sh-sm)}
  .menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
  .menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
  .menu-toggle span::before{top:-6px}
  .menu-toggle span::after{top:6px}
  .mobile-drawer{display:none}
  .mobile-drawer.open{display:block;background:#fff;border-top:1px solid var(--line);padding:12px 24px 24px;box-shadow:var(--sh)}
  .mobile-drawer .nav-link{display:block;padding:13px 16px;border-radius:14px;margin-bottom:4px;font-size:1rem}
  .mobile-drawer .nav-link.active::after{display:none}
  .mobile-drawer .drawer-cta{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}

  /* ============ 按钮 ============ */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;border-radius:999px;font-size:.9375rem;font-weight:700;line-height:1.2;transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease;white-space:nowrap}
  .btn-sm{padding:10px 18px;font-size:.875rem}
  .btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(91,33,182,.28)}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(91,33,182,.36);filter:brightness(1.06)}
  .btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(91,33,182,.26)}
  .btn-outline{background:#fff;color:var(--brand);border:1px solid rgba(91,33,182,.35)}
  .btn-outline:hover{background:#F3EEFB;transform:translateY(-2px);box-shadow:var(--sh-sm)}
  .btn-outline:active{transform:translateY(0)}
  .btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.42)}
  .btn-ghost:hover{background:rgba(0,201,167,.24);border-color:rgba(0,201,167,.7)}
  .btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

  /* ============ 徽章 ============ */
  .badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:.8125rem;font-weight:600;line-height:1.5;font-variant-numeric:tabular-nums}
  .badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex:none}
  .badge-brand{background:#F1EBFB;color:var(--brand)}
  .badge-cyan{background:rgba(0,201,167,.12);color:#04795F}
  .badge-amber{background:rgba(255,176,32,.16);color:#8A5A00}
  .badge-glass{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.28)}
  .badge-line{background:#fff;border:1px solid var(--line);color:var(--muted)}

  /* ============ 顶部小 Hero ============ */
  .page-hero{position:relative;overflow:hidden;background:var(--brand);color:#fff;padding:44px 0 56px;isolation:isolate}
  .hero-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-1.png) center/cover no-repeat;opacity:.3;z-index:-2}
  .hero-veil{position:absolute;inset:0;background:linear-gradient(135deg,rgba(88,28,180,.95) 0%,rgba(91,33,182,.86) 45%,rgba(0,201,167,.74) 100%);z-index:-1}
  .hero-grid-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:46px 46px;z-index:-1;opacity:.5}
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:.8125rem;color:rgba(255,255,255,.72);margin-bottom:18px}
  .breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
  .breadcrumb .sep{opacity:.55}
  .breadcrumb .current{color:#fff;font-weight:600}
  .hero-inner{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:40px;align-items:center}
  .hero-title{font-size:2.6rem;line-height:1.22;font-weight:800;letter-spacing:-.01em}
  .hero-title .hl{background:linear-gradient(180deg,transparent 62%,rgba(255,176,32,.55) 62%);padding:0 2px}
  .hero-sub{margin-top:16px;font-size:1.0625rem;color:rgba(255,255,255,.88);max-width:620px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
  .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
  .hero-media{position:relative}
  .hero-media img{border-radius:var(--r-lg);box-shadow:0 22px 48px rgba(24,18,31,.34);border:1px solid rgba(255,255,255,.28);aspect-ratio:16/10;object-fit:cover}
  .hero-float{position:absolute;left:-14px;bottom:-18px;background:#fff;color:var(--ink);border-radius:var(--r-md);padding:12px 16px;display:flex;align-items:center;gap:12px;box-shadow:var(--sh-lg)}
  .hero-float .pulse{width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(0,201,167,.2);flex:none}
  .hero-float strong{display:block;font-size:1rem;font-weight:800;font-variant-numeric:tabular-nums}
  .hero-float span{font-size:.8125rem;color:var(--muted)}

  /* ============ 区块通用 ============ */
  .section{padding:80px 0}
  .section-tight{padding:56px 0}
  .section-head{max-width:760px;margin-bottom:36px}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.8125rem;font-weight:700;letter-spacing:.08em;color:var(--brand);text-transform:uppercase;margin-bottom:12px}
  .eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad)}
  .section-title{font-size:1.875rem;line-height:1.35;font-weight:800;letter-spacing:-.005em}
  .section-desc{margin-top:14px;color:var(--muted);font-size:1rem}

  /* ============ 数据徽章条 ============ */
  .stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
  .stat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 22px 20px;box-shadow:var(--sh-sm);transition:transform .25s ease,box-shadow .25s ease}
  .stat-card:hover{transform:translateY(-3px);box-shadow:var(--sh)}
  .stat-num{font-size:1.75rem;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
  .stat-label{margin-top:6px;font-size:.9375rem;font-weight:700}
  .stat-text{margin-top:6px;font-size:.875rem;color:var(--muted);line-height:1.65}

  /* ============ 主体：左筛选 + 右卡片 ============ */
  .layout-grid{display:grid;grid-template-columns:282px minmax(0,1fr);gap:32px;align-items:start}
  .side-panel{position:sticky;top:104px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-sm)}
  .panel-title{font-size:.9375rem;font-weight:800;margin-bottom:14px}
  .panel-sub{font-size:.8125rem;color:var(--muted);margin-bottom:14px;line-height:1.7}
  .filter-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
  .chip{padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:.875rem;font-weight:600;color:var(--muted);transition:all .2s ease}
  .chip:hover{border-color:rgba(91,33,182,.4);color:var(--brand);background:#F8F5FE}
  .chip.is-active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(91,33,182,.24)}
  .index-list{border-top:1px solid var(--line);padding-top:16px}
  .index-link{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 12px;border-radius:12px;font-size:.9375rem;color:var(--ink)}
  .index-link span.n{font-size:.8125rem;color:var(--muted);font-variant-numeric:tabular-nums}
  .index-link:hover{background:#F5F0FC;color:var(--brand)}
  .index-link:hover span.n{color:var(--brand)}
  .side-note{margin-top:20px;padding:14px 16px;border-radius:var(--r-md);background:var(--grad-soft);border:1px dashed rgba(91,33,182,.28);font-size:.875rem;color:#4A3F60;line-height:1.7}

  .card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
  .machine-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
  .machine-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(91,33,182,.24)}
  .machine-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EFEAF7}
  .machine-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
  .machine-card:hover .machine-thumb img{transform:scale(1.04)}
  .thumb-badge{position:absolute;left:14px;top:14px;display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;background:rgba(24,18,31,.72);color:#fff;font-size:.78125rem;font-weight:700;backdrop-filter:blur(6px)}
  .machine-body{padding:22px;display:flex;flex-direction:column;gap:14px;flex:1}
  .machine-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
  .machine-title{font-size:1.1875rem;font-weight:800;line-height:1.4}
  .machine-text{font-size:.9375rem;color:var(--muted);line-height:1.7}
  .spec-list{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:6px 0}
  .spec-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:9px 0;font-size:.9rem}
  .spec-key{color:var(--muted);flex:none}
  .spec-val{font-weight:700;font-variant-numeric:tabular-nums;text-align:right}
  .machine-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}
  .badge-row{display:flex;flex-wrap:wrap;gap:8px}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:.9rem;font-weight:700;color:var(--brand)}
  .link-arrow i{font-style:normal;transition:transform .2s ease}
  .machine-card:hover .link-arrow i{transform:translateX(4px)}

  .empty-state{display:none;border:1px dashed rgba(91,33,182,.35);border-radius:var(--r-lg);padding:40px 24px;text-align:center;color:var(--muted);background:#FCFAFE}
  .empty-state .ico{width:46px;height:46px;border-radius:14px;background:var(--grad-soft);display:grid;place-items:center;margin:0 auto 14px;font-weight:800;color:var(--brand)}

  /* ============ 速查表 ============ */
  .table-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);background:#fff}
  .spec-table{width:100%;border-collapse:collapse;min-width:720px}
  .spec-table thead th{background:#F6F2FC;text-align:left;font-size:.8125rem;font-weight:800;letter-spacing:.02em;color:#4A3F60;padding:15px 18px;border-bottom:1px solid var(--line);white-space:nowrap}
  .spec-table tbody td{padding:15px 18px;border-bottom:1px solid #F2EDF8;font-size:.9375rem;font-variant-numeric:tabular-nums}
  .spec-table tbody tr:last-child td{border-bottom:0}
  .spec-table tbody tr:hover{background:#FCFAFF}
  .spec-table .name{font-weight:700}
  .table-note{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;font-size:.875rem;color:var(--muted)}

  /* ============ 流程步骤 ============ */
  .steps-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
  .step-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-sm);transition:transform .25s ease,box-shadow .25s ease}
  .step-card:hover{transform:translateY(-4px);box-shadow:var(--sh)}
  .step-num{width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;font-size:.9375rem;font-variant-numeric:tabular-nums;box-shadow:0 8px 18px rgba(91,33,182,.24)}
  .step-title{margin-top:16px;font-size:1.0625rem;font-weight:800}
  .step-text{margin-top:8px;font-size:.9rem;color:var(--muted);line-height:1.72}

  /* ============ FAQ ============ */
  .faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:0 22px;box-shadow:var(--sh-sm);transition:border-color .25s ease,box-shadow .25s ease;position:relative;overflow:hidden}
  .faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);opacity:0;transition:opacity .25s ease}
  .faq-item[open]{border-color:rgba(91,33,182,.28);box-shadow:var(--sh)}
  .faq-item[open]::before{opacity:1}
  .faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:19px 0;font-size:1rem;font-weight:700;cursor:pointer;list-style:none}
  .faq-q::-webkit-details-marker{display:none}
  .faq-q .sign{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--brand);font-weight:800;font-size:.9375rem;transition:transform .25s ease,background .25s ease,color .25s ease}
  .faq-item[open] .faq-q .sign{background:var(--grad);color:#fff;border-color:transparent;transform:rotate(45deg)}
  .faq-a{padding:0 0 20px;font-size:.9375rem;color:var(--muted);line-height:1.8;border-top:1px solid #F2EDF8;padding-top:16px}

  /* ============ CTA 面板 ============ */
  .cta-panel{position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--grad);color:#fff;padding:44px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:36px;align-items:center;box-shadow:0 24px 52px rgba(43,16,85,.22)}
  .cta-panel::after{content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.14)}
  .cta-panel > *{position:relative;z-index:1}
  .cta-title{font-size:1.625rem;font-weight:800;line-height:1.38}
  .cta-text{margin-top:14px;font-size:.9688rem;color:rgba(255,255,255,.88);line-height:1.75}
  .cta-list{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px}
  .cta-form{background:rgba(255,255,255,.96);border-radius:var(--r-lg);padding:26px;color:var(--ink);box-shadow:0 18px 40px rgba(24,18,31,.2)}
  .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .form-field{display:flex;flex-direction:column;gap:7px}
  .form-field.full{grid-column:1 / -1}
  .form-label{font-size:.875rem;font-weight:700}
  .input,.select,.textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:var(--r-sm);padding:11px 14px;font-size:.9375rem;font-family:inherit;color:var(--ink);transition:border-color .2s ease,box-shadow .2s ease}
  .input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 4px rgba(124,58,237,.14)}
  .textarea{min-height:86px;resize:vertical}
  .form-hint{font-size:.8125rem;color:var(--muted)}
  .form-ok{display:none;align-items:center;gap:10px;margin-top:14px;padding:11px 14px;border-radius:var(--r-sm);background:rgba(0,201,167,.12);color:#04795F;font-size:.875rem;font-weight:600}
  .form-ok.show{display:flex}
  .form-actions{margin-top:18px;display:flex;flex-wrap:wrap;align-items:center;gap:14px}

  /* ============ 页脚 ============ */
  .site-footer{position:relative;background:var(--ink);color:rgba(255,255,255,.72)}
  .site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}
  .site-footer .logo{color:#fff}
  .site-footer p{color:rgba(255,255,255,.68);line-height:1.8}
  .footer-title{color:#fff;font-weight:800;font-size:.9375rem;margin-bottom:14px}
  .footer-link{display:block;padding:6px 0;font-size:.9375rem;color:rgba(255,255,255,.66)}
  .footer-link:hover{color:var(--cyan)}
  .footer-divider{border-top:1px solid rgba(255,255,255,.12)}

  /* ============ 返回顶部 ============ */
  .back-top{position:fixed;right:22px;bottom:26px;z-index:80;width:46px;height:46px;border-radius:14px;background:var(--grad);color:#fff;display:grid;place-items:center;box-shadow:0 14px 30px rgba(91,33,182,.34);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s ease,transform .25s ease,visibility .25s}
  .back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
  .back-top:hover{filter:brightness(1.08);transform:translateY(-2px)}

  /* ============ 响应式 ============ */
  @media (max-width:1279px){
    .hero-title{font-size:2.25rem}
    .layout-grid{grid-template-columns:250px minmax(0,1fr);gap:26px}
  }
  @media (max-width:1023px){
    .nav-links{display:none}
    .menu-toggle{display:flex}
    .header-cta .btn{display:none}
    .hero-inner{grid-template-columns:minmax(0,1fr);gap:28px}
    .hero-media{max-width:560px}
    .layout-grid{grid-template-columns:minmax(0,1fr)}
    .side-panel{position:static}
    .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
    .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .steps-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .cta-panel{grid-template-columns:minmax(0,1fr);padding:34px}
    .section{padding:64px 0}
  }
  @media (max-width:767px){
    .header-inner{height:68px}
    .section{padding:52px 0}
    .hero-title{font-size:1.85rem}
    .section-title{font-size:1.5rem}
    .card-grid{grid-template-columns:minmax(0,1fr)}
    .faq-grid{grid-template-columns:minmax(0,1fr)}
    .form-grid{grid-template-columns:minmax(0,1fr)}
    .stat-card{padding:18px}
    .cta-panel{padding:26px}
    .cta-form{padding:20px}
    .hero-float{left:0;bottom:-14px}
  }
  @media (max-width:519px){
    .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .steps-grid{grid-template-columns:minmax(0,1fr)}
    .hero-title{font-size:1.6rem}
    .btn{width:100%}
    .hero-actions{flex-direction:column}
    .machine-body{padding:18px}
    .back-top{right:14px;bottom:16px}
  }

/* roulang page: category2 */
:root{
  --brand:#5B21B6;
  --brand2:#00C9A7;
  --brand-soft:#F1EAFE;
  --accent:#FFB020;
  --ink:#18121F;
  --muted:#6B6478;
  --bg:#F8F6F2;
  --card:#FFFFFF;
  --line:#E8E1F0;
  --r-lg:24px;
  --r-xl:32px;
  --r-md:16px;
  --r-btn:14px;
  --shadow-soft:0 12px 30px rgba(43,16,85,.08);
  --shadow-hover:0 20px 44px rgba(43,16,85,.16);
  --grad:linear-gradient(135deg,#5B21B6 0%,#00C9A7 100%);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16.5px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:rgba(91,33,182,.18);}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:60px 0;}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header::after{content:"";display:block;height:3px;background:var(--grad);opacity:.92;}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:74px;}
.logo{display:inline-flex;align-items:center;gap:11px;font-weight:800;font-size:1.0625rem;color:var(--ink);letter-spacing:.01em;}
.logo-mark{
  width:40px;height:40px;border-radius:13px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:.8125rem;font-weight:800;letter-spacing:.04em;
  box-shadow:0 10px 22px rgba(91,33,182,.28);flex:none;
}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;padding:10px 15px;border-radius:999px;
  font-size:.9375rem;font-weight:500;color:var(--muted);
  transition:background .25s ease,color .25s ease,transform .25s ease;
  white-space:nowrap;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand);}
.nav-link.active{background:var(--brand-soft);color:var(--brand);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:4px;height:2px;border-radius:2px;background:var(--grad);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:13px;border:1px solid var(--line);
  background:#fff;color:var(--brand);align-items:center;justify-content:center;font-size:1.05rem;
}
.nav-toggle:focus-visible{outline:3px solid rgba(0,201,167,.55);outline-offset:2px;}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 24px 24px;}
.mobile-drawer.open{display:block;}
.mobile-drawer .nav-link{display:block;padding:12px 14px;border-radius:12px;margin-bottom:4px;}
.mobile-drawer .btn{width:100%;justify-content:center;margin-top:12px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);
  font-size:.9375rem;font-weight:700;line-height:1.2;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,filter .22s ease;
  border:1px solid transparent;
}
.btn-sm{padding:10px 18px;font-size:.875rem;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(91,33,182,.26);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(91,33,182,.36);filter:brightness(1.05);}
.btn-outline{background:#fff;color:var(--brand);border-color:#D9CBEF;}
.btn-outline:hover{background:var(--brand-soft);transform:translateY(-2px);box-shadow:var(--shadow-soft);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(0,201,167,.2);transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.btn:focus-visible{outline:3px solid rgba(0,201,167,.55);outline-offset:2px;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:999px;
  font-size:.8125rem;font-weight:600;line-height:1.3;
}
.badge i{font-size:.75rem;}
.badge-soft{background:var(--brand-soft);color:var(--brand);}
.badge-teal{background:rgba(0,201,167,.13);color:#04796A;}
.badge-amber{background:rgba(255,176,32,.18);color:#8A5B00;}
.badge-glass{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.26);}
.dot{width:7px;height:7px;border-radius:50%;background:var(--brand2);display:inline-block;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(135deg,rgba(60,18,132,.95) 0%,rgba(0,150,126,.9) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:52px 52px;pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;padding:74px 0 82px;}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:.8125rem;color:rgba(255,255,255,.76);margin-bottom:22px;}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .cur{color:#fff;font-weight:600;}
.hero-title{font-size:2.85rem;line-height:1.22;font-weight:800;letter-spacing:-.01em;}
.hero-title span{background:linear-gradient(135deg,#FFE7A8,#FFFFFF);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{margin-top:20px;font-size:1.0625rem;line-height:1.85;color:rgba(255,255,255,.9);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px;}
.hero-visual{position:relative;}
.hero-photo{
  border-radius:var(--r-xl);overflow:hidden;
  border:1px solid rgba(255,255,255,.3);
  box-shadow:0 28px 60px rgba(20,6,45,.4);
}
.hero-photo img{width:100%;height:360px;object-fit:cover;}
.hero-float{
  position:absolute;left:-22px;bottom:-26px;
  background:#fff;color:var(--ink);
  border-radius:20px;padding:16px 18px;
  box-shadow:0 20px 44px rgba(20,6,45,.28);
  width:230px;
}
.hero-float .ft{font-size:.75rem;color:var(--muted);font-weight:600;letter-spacing:.04em;}
.hero-float .fv{font-size:1.5rem;font-weight:800;color:var(--brand);line-height:1.3;margin-top:4px;}
.hero-float .fd{font-size:.8125rem;color:var(--muted);margin-top:4px;}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-soft);overflow:hidden;margin-top:-42px;position:relative;z-index:5;
}
.stat-cell{padding:26px 24px;border-right:1px solid var(--line);}
.stat-cell:last-child{border-right:0;}
.stat-num{font-size:1.75rem;font-weight:800;color:var(--brand);line-height:1.2;letter-spacing:-.01em;}
.stat-label{font-size:.875rem;color:var(--muted);margin-top:6px;}

/* ---------- 通用标题 ---------- */
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:700;color:var(--brand);
  background:var(--brand-soft);padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.sec-title{font-size:2rem;font-weight:800;line-height:1.32;letter-spacing:-.01em;}
.sec-desc{margin-top:14px;color:var(--muted);font-size:1rem;line-height:1.85;}

/* ---------- 杂志图文交错 ---------- */
.mag-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;margin-bottom:76px;}
.mag-row:last-child{margin-bottom:0;}
.mag-row.reverse .mag-media{order:2;}
.mag-media{position:relative;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-soft);}
.mag-media img{width:100%;height:330px;object-fit:cover;transition:transform .5s ease;}
.mag-media:hover img{transform:scale(1.04);}
.mag-index{
  position:absolute;top:18px;left:18px;
  background:rgba(24,18,31,.72);color:#fff;font-size:.75rem;font-weight:700;
  padding:6px 12px;border-radius:999px;backdrop-filter:blur(6px);
}
.mag-body h3{font-size:1.5rem;font-weight:800;line-height:1.4;margin-bottom:14px;}
.mag-body p{color:var(--muted);line-height:1.9;}
.mag-list{margin-top:22px;display:grid;gap:12px;}
.mag-list li{display:flex;gap:11px;align-items:flex-start;font-size:.9375rem;color:#4A4356;line-height:1.7;}
.mag-list i{color:var(--brand2);margin-top:5px;font-size:.8125rem;flex:none;}

/* ---------- 参数表 ---------- */
.spec-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-soft);overflow:hidden;
}
.spec-scroll{overflow-x:auto;}
table.spec{width:100%;border-collapse:collapse;min-width:720px;}
table.spec thead th{
  background:linear-gradient(135deg,rgba(91,33,182,.06),rgba(0,201,167,.08));
  font-size:.8125rem;font-weight:700;color:var(--brand);letter-spacing:.03em;
  text-align:left;padding:16px 20px;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.spec tbody td{
  padding:16px 20px;border-bottom:1px solid #F2EDF9;font-size:.9375rem;color:#3E3749;vertical-align:top;
}
table.spec tbody tr:last-child td{border-bottom:0;}
table.spec tbody tr:hover{background:#FCFAFE;}
table.spec td:first-child{font-weight:700;color:var(--ink);}
.spec-note{padding:16px 20px;background:#FBF9FE;font-size:.8125rem;color:var(--muted);border-top:1px solid var(--line);}

/* ---------- 更新记录 ---------- */
.update-list{display:grid;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-soft);overflow:hidden;}
.update-item{display:grid;grid-template-columns:132px 1fr auto;gap:20px;align-items:center;padding:20px 24px;border-bottom:1px solid #F2EDF9;transition:background .25s ease;}
.update-item:last-child{border-bottom:0;}
.update-item:hover{background:#FCFAFE;}
.update-date{font-size:.875rem;font-weight:700;color:var(--brand);}
.update-text{font-size:.9375rem;color:#3E3749;}
.update-tag{font-size:.75rem;font-weight:700;color:#04796A;background:rgba(0,201,167,.12);padding:5px 11px;border-radius:999px;white-space:nowrap;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  overflow:hidden;position:relative;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--grad);opacity:0;transition:opacity .25s ease;
}
.faq-item.open{box-shadow:var(--shadow-soft);border-color:#DCCFF1;}
.faq-item.open::before{opacity:1;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;padding:20px 22px;font-weight:700;font-size:1rem;color:var(--ink);
}
.faq-q:focus-visible{outline:3px solid rgba(0,201,167,.5);outline-offset:-3px;}
.faq-q .ico{
  width:28px;height:28px;border-radius:9px;flex:none;
  display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);
  font-size:.75rem;transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-item.open .faq-q .ico{transform:rotate(45deg);background:var(--grad);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 22px 22px;color:var(--muted);font-size:.9375rem;line-height:1.9;}
.faq-item.open .faq-a{max-height:340px;}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);color:#fff;padding:56px;
  box-shadow:0 26px 56px rgba(60,18,132,.28);
}
.cta-panel::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.cta-title{font-size:1.85rem;font-weight:800;line-height:1.35;}
.cta-desc{margin-top:14px;color:rgba(255,255,255,.9);line-height:1.85;max-width:520px;}
.form-card{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);border-radius:22px;padding:26px;backdrop-filter:blur(8px);}
.field{margin-bottom:14px;}
.field label{display:block;font-size:.8125rem;font-weight:600;margin-bottom:7px;color:rgba(255,255,255,.92);}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:12px;border:1px solid rgba(255,255,255,.38);
  background:rgba(255,255,255,.95);color:var(--ink);font:inherit;font-size:.9375rem;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,176,32,.4);
}
.form-hint{font-size:.75rem;color:rgba(255,255,255,.8);margin-top:10px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#18121F;color:#EFEAF6;position:relative;}
.site-footer::before{content:"";display:block;height:4px;background:var(--grad);}
.site-footer p{color:#BEB6CC;line-height:1.85;}
.site-footer .logo{color:#fff;}
.footer-title{font-size:.8125rem;font-weight:700;letter-spacing:.06em;color:#fff;margin-bottom:16px;}
.footer-link{display:block;font-size:.9375rem;color:#BEB6CC;padding:6px 0;transition:color .22s ease,transform .22s ease;}
a.footer-link:hover{color:var(--brand2);transform:translateX(3px);}
.footer-divider{border-top:1px solid rgba(255,255,255,.12);}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  width:46px;height:46px;border-radius:14px;background:var(--grad);color:#fff;
  display:grid;place-items:center;box-shadow:0 14px 30px rgba(91,33,182,.34);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease,transform .28s ease;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{transform:translateY(-3px);}
.to-top:focus-visible{outline:3px solid rgba(0,201,167,.6);outline-offset:2px;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:44px;padding:52px 0 72px;}
  .hero-title{font-size:2.15rem;}
  .hero-photo img{height:280px;}
  .hero-float{position:static;width:100%;margin-top:16px;left:auto;bottom:auto;}
  .stat-strip{grid-template-columns:repeat(2,1fr);margin-top:-30px;}
  .stat-cell{border-right:0;border-bottom:1px solid var(--line);}
  .stat-cell:nth-child(2n){border-right:0;}
  .stat-cell:nth-child(odd){border-right:1px solid var(--line);}
  .stat-cell:nth-last-child(-n+2){border-bottom:0;}
  .mag-row{grid-template-columns:1fr;gap:30px;margin-bottom:60px;}
  .mag-row.reverse .mag-media{order:0;}
  .cta-grid{grid-template-columns:1fr;gap:34px;}
  .cta-panel{padding:40px 30px;}
  .section{padding:64px 0;}
  .sec-title{font-size:1.65rem;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .faq-grid{grid-template-columns:1fr;}
  .update-item{grid-template-columns:1fr;gap:8px;padding:18px;}
  .hero-title{font-size:1.85rem;}
  .mag-media img{height:240px;}
  .cta-panel{padding:34px 22px;}
  .cta-title{font-size:1.5rem;}
}
@media (max-width:519px){
  .stat-strip{grid-template-columns:1fr;}
  .stat-cell{border-right:0 !important;border-bottom:1px solid var(--line);}
  .stat-cell:last-child{border-bottom:0;}
  .hero-actions .btn{width:100%;justify-content:center;}
  .sec-title{font-size:1.45rem;}
  .to-top{right:14px;bottom:16px;}
}