/* roulang page: index */
:root{
  --brand:#FF5A1F;
  --brand-dark:#E8480F;
  --brand-soft:#FFF1EA;
  --jade:#18A999;
  --jade-soft:#E7F7F4;
  --ink:#111318;
  --text:#15171A;
  --muted:#5C626B;
  --weak:#8A9099;
  --paper:#F7F4EE;
  --card:#FFFFFF;
  --line:#E7E1D8;
  --r-sm:14px;
  --r-md:18px;
  --r-lg:24px;
  --sh-card:0 1px 2px rgba(17,19,24,.04),0 12px 32px rgba(17,19,24,.06);
  --sh-hover:0 18px 48px rgba(17,19,24,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Inter,sans-serif;
  font-size:16px;
  line-height:1.75;
  padding-bottom:76px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;font-weight:800;line-height:1.14}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.sec{padding-top:72px;padding-bottom:72px}
@media (min-width:1024px){.sec{padding-top:96px;padding-bottom:96px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;color:var(--brand);
  background:var(--brand-soft);border:1px solid rgba(255,90,31,.18);
  padding:6px 14px;border-radius:999px;font-weight:600;
}
.sec-title{font-size:clamp(26px,3.4vw,40px);margin-top:14px}
.sec-sub{color:var(--muted);font-size:15px;margin-top:12px;max-width:640px}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:12px 0 8px;background:linear-gradient(180deg,rgba(247,244,238,.96),rgba(247,244,238,.72) 70%,rgba(247,244,238,0));backdrop-filter:blur(8px)}
.nav-card{
  display:flex;align-items:center;gap:18px;
  background:var(--card);border:1px solid var(--line);
  border-radius:20px;box-shadow:var(--sh-card);
  padding:10px 14px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(140deg,var(--brand),#FF8A4C);
  color:#fff;font-weight:800;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(255,90,31,.28);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.02em;white-space:nowrap}
.brand-sub{display:block;font-size:11px;color:var(--weak);font-weight:500;letter-spacing:.04em}
.nav-links{display:none;align-items:center;gap:6px;margin-left:auto}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-item{
  display:flex;align-items:center;gap:8px;
  padding:9px 13px;border-radius:14px;font-size:14px;font-weight:600;
  color:var(--muted);border:1px solid transparent;
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.nav-item i{font-size:13px;color:var(--weak);transition:color .18s var(--ease)}
.nav-item:hover{background:var(--brand-soft);color:var(--brand);border-color:rgba(255,90,31,.16);transform:translateY(-2px)}
.nav-item:hover i{color:var(--brand)}
.nav-item.active{background:var(--brand-soft);color:var(--brand);border-color:rgba(255,90,31,.2)}
.nav-item.active i{color:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
@media (min-width:1024px){.nav-actions{margin-left:0}}
.nav-toggle{
  display:flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:16px;
}
@media (min-width:1024px){.nav-toggle{display:none}}
.mobile-drawer{display:none;margin-top:10px;background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:var(--sh-card);padding:14px}
.mobile-drawer.open{display:block}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}
.drawer-item{
  display:flex;flex-direction:column;gap:6px;
  padding:12px;border-radius:var(--r-sm);border:1px solid var(--line);background:#FCFAF6;
  font-size:14px;font-weight:600;color:var(--muted);
}
.drawer-item i{color:var(--brand);font-size:14px}
.drawer-item.active{background:var(--brand-soft);border-color:rgba(255,90,31,.24);color:var(--brand)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(255,90,31,.26)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,90,31,.32)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-dark{background:var(--ink);color:#F7F4EE}
.btn-dark:hover{background:#1C2029;transform:translateY(-2px)}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:14px}
.btn-link i{transition:transform .18s var(--ease)}
.btn-link:hover i{transform:translateX(4px)}
.btn:focus-visible,.nav-item:focus-visible,.nav-toggle:focus-visible,.faq-q:focus-visible{outline:2px solid rgba(255,90,31,.45);outline-offset:2px}

/* ---------- hero ---------- */
.hero{padding-top:32px}
.hero-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);padding:28px;
  display:grid;gap:28px;
}
@media (min-width:1024px){.hero-card{grid-template-columns:1.15fr .85fr;padding:44px;gap:40px}}
.hero h1{font-size:clamp(32px,5vw,60px);line-height:1.1;margin-top:18px}
.hero h1 .hl{position:relative;color:var(--brand);white-space:nowrap}
.hero h1 .hl::after{
  content:"";position:absolute;left:0;bottom:2px;height:8px;width:100%;
  background:rgba(255,90,31,.16);border-radius:4px;
  transform:scaleX(0);transform-origin:left;animation:sweep .9s .3s var(--ease) forwards;
}
@keyframes sweep{to{transform:scaleX(1)}}
.hero-sub{color:var(--muted);font-size:16px;margin-top:18px;max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.ptag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--muted);background:#FCFAF6;
  border:1px solid var(--line);border-radius:999px;padding:6px 12px;
}
.ptag i{color:var(--jade);font-size:12px}

.hero-panel{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(17,19,24,.08);min-height:320px;
  display:flex;flex-direction:column;justify-content:space-between;
  padding:22px;color:#F7F4EE;
  background-image:linear-gradient(150deg,rgba(17,19,24,.86),rgba(17,19,24,.62)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.panel-live{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:#B9BDC4}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--jade);box-shadow:0 0 0 4px rgba(24,169,153,.18)}
.panel-badge{font-size:12px;border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:5px 11px;color:#DCD8D0}
.panel-metrics{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:22px}
.metric{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-sm);padding:14px}
.metric b{display:block;font-size:24px;font-weight:800;color:#fff;letter-spacing:-.02em}
.metric span{font-size:12px;color:#B9BDC4}
.panel-foot{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.panel-chip{font-size:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:6px 12px;color:#E6E2DB}

/* ---------- cards ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-card);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,90,31,.3)}
.card-img{width:100%;height:100%;object-fit:cover;border-radius:var(--r-md) var(--r-md) 0 0}
.img-wrap{overflow:hidden;border-radius:var(--r-md) var(--r-md) 0 0;background:var(--brand-soft)}
.img-wrap img{transition:transform .35s var(--ease)}
.card:hover .img-wrap img{transform:scale(1.02)}
.num-chip{font-size:12px;font-weight:800;color:var(--brand);background:var(--brand-soft);border-radius:8px;padding:3px 9px;letter-spacing:.04em}
.soft-chip{font-size:12px;color:var(--jade);background:var(--jade-soft);border-radius:8px;padding:3px 9px;font-weight:600}
.muted-chip{font-size:12px;color:var(--muted);background:#F3F0EA;border-radius:8px;padding:3px 9px;font-weight:600}

/* ---------- steps ---------- */
.step{display:flex;gap:16px;position:relative;padding-bottom:26px}
.step:last-child{padding-bottom:0}
.step::before{content:"";position:absolute;left:13px;top:30px;bottom:0;width:1px;background:var(--line)}
.step:last-child::before{display:none}
.step-dot{
  width:28px;height:28px;border-radius:50%;flex-shrink:0;
  background:var(--brand);color:#fff;font-size:13px;font-weight:800;
  display:flex;align-items:center;justify-content:center;position:relative;z-index:1;
  box-shadow:0 6px 16px rgba(255,90,31,.28);
}
.step h3{font-size:17px}
.step p{color:var(--muted);font-size:14px;margin-top:6px}

/* ---------- stats & reviews ---------- */
.stat-bar{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media (min-width:768px){.stat-bar{grid-template-columns:repeat(4,1fr)}}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-card)}
.stat b{display:block;font-size:30px;font-weight:800;color:var(--ink);letter-spacing:-.03em}
.stat b em{font-style:normal;color:var(--brand)}
.stat span{font-size:13px;color:var(--muted)}
.review{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-card)}
.review p{font-size:15px;color:#2B2F36;margin-top:14px}
.review-meta{display:flex;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--weak)}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--brand-soft);color:var(--brand);font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center}
.badge-wall{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.badge-wall span{font-size:13px;color:var(--muted);background:#FCFAF6;border:1px dashed var(--line);border-radius:999px;padding:6px 14px}

/* ---------- cms list ---------- */
.post-card{display:flex;flex-direction:column;overflow:hidden}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--weak);margin-bottom:10px}
.post-title{font-size:17px;line-height:1.45}
.post-title a:hover{color:var(--brand)}
.post-excerpt{color:var(--muted);font-size:14px;margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{margin-top:auto;padding-top:14px}
.empty-state{
  text-align:center;padding:48px 20px;background:var(--card);
  border:1px dashed var(--line);border-radius:var(--r-md);
}
.empty-state i{font-size:26px;color:var(--brand)}
.empty-state p{color:var(--muted);font-size:14px;margin-top:12px}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.faq-item:hover{border-color:rgba(255,90,31,.35);box-shadow:var(--sh-card)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;padding:18px 20px;text-align:left;
  font-size:16px;font-weight:700;color:var(--text);
}
.faq-icon{width:22px;height:22px;flex-shrink:0;position:relative}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px}
.faq-icon::after{left:10px;top:0;width:2px;height:22px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-a-inner{padding:0 20px 20px;font-size:15px;color:var(--muted);line-height:1.75}

/* ---------- cta ---------- */
.cta-band{
  background:var(--ink);color:#F7F4EE;border-radius:var(--r-lg);
  padding:36px 28px;display:grid;gap:24px;position:relative;overflow:hidden;
}
@media (min-width:1024px){.cta-band{grid-template-columns:1.4fr .6fr;align-items:center;padding:52px 48px}}
.cta-band h2{font-size:clamp(24px,3vw,36px);color:#fff}
.cta-band p{color:#B9BDC4;font-size:15px;margin-top:14px;max-width:520px}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,31,.35),transparent 70%);
}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#F7F4EE;margin-top:0;padding-top:56px}
.footer-grid{display:grid;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:linear-gradient(140deg,var(--brand),#FF8A4C)}
.site-footer p{color:#B9BDC4;font-size:14px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px}
.footer-col a{display:block;color:#B9BDC4;font-size:14px;padding:6px 0;transition:color .18s var(--ease),transform .18s var(--ease)}
.footer-col a:hover{color:var(--brand);transform:translateX(3px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);margin-top:40px;padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:#8A9099;
}
.footer-bottom a{color:#B9BDC4}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- float bar ---------- */
.float-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);border-top:1px solid var(--line);backdrop-filter:blur(10px)}
.float-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:1200px;margin:0 auto}
.float-text strong{display:block;font-size:14px}
.float-text span{font-size:12px;color:var(--muted)}
@media (min-width:1024px){
  body{padding-bottom:0}
  .float-bar{
    left:auto;right:24px;bottom:24px;width:360px;border-radius:var(--r-md);
    border:1px solid var(--line);padding:14px 16px;
    box-shadow:var(--sh-hover);
    opacity:0;transform:translateY(18px);pointer-events:none;
    transition:opacity .24s var(--ease),transform .24s var(--ease);
  }
  .float-bar.show{opacity:1;transform:translateY(0);pointer-events:auto}
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px)}
.reveal.in{opacity:1;transform:none;transition:opacity .5s var(--ease),transform .5s var(--ease)}
@media (prefers-reduced-motion:reduce){
  .reveal,.reveal.in{opacity:1;transform:none;transition:none}
  .hero h1 .hl::after{animation:none;transform:scaleX(1)}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
    --primary:#FF5A1F;
    --primary-dark:#E44A12;
    --primary-soft:rgba(255,90,31,.10);
    --primary-line:rgba(255,90,31,.30);
    --teal:#18A999;
    --teal-soft:rgba(24,169,153,.12);
    --ink:#111318;
    --paper:#F7F4EE;
    --card:#FFFFFF;
    --border:#E7E1D8;
    --text:#15171A;
    --muted:#5C626B;
    --weak:#8A9099;
    --dark-text:#F7F4EE;
    --dark-muted:#B9BDC4;
    --radius-sm:14px;
    --radius-md:18px;
    --radius-lg:24px;
    --shadow-sm:0 1px 2px rgba(17,19,24,.04), 0 12px 32px rgba(17,19,24,.06);
    --shadow-lg:0 18px 48px rgba(17,19,24,.12);
    --ff:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Inter,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--ff);
    font-size:16px;
    line-height:1.75;
    color:var(--text);
    background:var(--paper);
    padding-bottom:88px;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border-style:none;}
  a{color:inherit;text-decoration:none;}
  button,input{font-family:inherit;font-size:inherit;}
  button{cursor:pointer;}
  h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.15;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}

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

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:50;
    padding:14px 0;
    background:rgba(247,244,238,.92);
    backdrop-filter:blur(10px);
    border-bottom:1px solid rgba(231,225,216,.7);
  }
  .nav-panel{
    position:relative;
    display:flex;
    align-items:center;
    gap:18px;
    background:var(--card);
    border:1px solid var(--border);
    border-radius:20px;
    box-shadow:var(--shadow-sm);
    padding:10px 14px;
  }
  .brand{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .brand-mark{
    width:36px;height:36px;
    display:flex;align-items:center;justify-content:center;
    border-radius:12px;
    background:linear-gradient(140deg,var(--primary),#FF7C46);
    color:#fff;
    font-weight:800;
    font-size:17px;
    box-shadow:0 8px 20px rgba(255,90,31,.28);
  }
  .brand-text{
    font-weight:800;
    font-size:17px;
    letter-spacing:-.01em;
    white-space:nowrap;
  }
  .nav-links{
    display:flex;
    align-items:center;
    gap:6px;
    margin-left:6px;
    flex:1;
    min-width:0;
  }
  .nav-item{
    display:inline-flex;
    align-items:center;
    gap:7px;
    padding:9px 13px;
    border-radius:12px;
    font-size:14.5px;
    font-weight:600;
    color:var(--muted);
    border:1px solid transparent;
    transition:background .18s ease, color .18s ease, transform .18s ease, border-color .18s ease;
    white-space:nowrap;
  }
  .nav-item i{font-size:13px;color:var(--weak);transition:color .18s ease;}
  .nav-item:hover{
    background:var(--primary-soft);
    color:var(--primary);
    transform:translateY(-2px);
    border-color:var(--primary-line);
  }
  .nav-item:hover i{color:var(--primary);}
  .nav-item.active{
    background:var(--primary-soft);
    color:var(--primary);
    border-color:var(--primary-line);
    box-shadow:inset 3px 0 0 var(--primary);
  }
  .nav-item.active i{color:var(--primary);}
  .nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .nav-toggle{
    display:none;
    width:42px;height:42px;
    border-radius:12px;
    border:1px solid var(--border);
    background:#fff;
    color:var(--ink);
    font-size:16px;
    transition:border-color .18s ease,color .18s ease;
  }
  .nav-toggle:hover{border-color:var(--primary-line);color:var(--primary);}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:14px 24px;
    border-radius:999px;
    font-size:15px;
    font-weight:700;
    border:1px solid transparent;
    transition:transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease;
  }
  .btn i{transition:transform .18s ease;}
  .btn:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,90,31,.30);}
  .btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(255,90,31,.26);}
  .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,90,31,.32);}
  .btn-primary:active{transform:scale(.98);}
  .btn-ghost{background:#fff;color:var(--ink);border-color:var(--border);}
  .btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
  .btn-ghost:active{transform:scale(.98);}
  .btn-ghost:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,90,31,.24);}
  .btn-text{
    display:inline-flex;align-items:center;gap:6px;
    font-weight:700;font-size:14.5px;color:var(--primary);
  }
  .btn-text i{transition:transform .18s ease;}
  .btn-text:hover i{transform:translateX(4px);}
  .btn-sm{padding:10px 18px;font-size:14px;}
  .btn-dark{background:var(--ink);color:#fff;}
  .btn-dark:hover{background:#000;transform:translateY(-2px);}

  /* ---------- 徽章 / 标签 ---------- */
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:7px 14px;
    border-radius:999px;
    background:var(--primary-soft);
    color:var(--primary);
    font-size:13px;
    font-weight:700;
    letter-spacing:.02em;
  }
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 11px;
    border-radius:999px;
    font-size:12.5px;
    font-weight:700;
    background:var(--teal-soft);
    color:#0F7E73;
  }
  .badge--orange{background:var(--primary-soft);color:var(--primary);}
  .badge--grey{background:#F1EDE5;color:var(--muted);}

  /* ---------- Hero ---------- */
  .hero{padding:64px 0 24px;}
  .hero-grid{
    display:grid;
    grid-template-columns:1.05fr .95fr;
    gap:40px;
    align-items:center;
  }
  .hero h1{
    font-size:clamp(2.3rem,4.4vw,3.5rem);
    line-height:1.1;
    margin:20px 0 18px;
  }
  .hero h1 .hl{
    color:var(--primary);
    background-image:linear-gradient(var(--primary-line),var(--primary-line));
    background-repeat:no-repeat;
    background-size:100% 6px;
    background-position:0 92%;
    padding-bottom:2px;
  }
  .hero-sub{
    font-size:17px;
    color:var(--muted);
    max-width:520px;
    line-height:1.85;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
  .hero-stats{
    display:flex;flex-wrap:wrap;gap:28px;
    margin-top:34px;padding-top:26px;
    border-top:1px solid var(--border);
  }
  .hero-stats .num{
    font-size:26px;font-weight:800;color:var(--ink);letter-spacing:-.02em;
    font-variant-numeric:tabular-nums;
  }
  .hero-stats .lab{font-size:13px;color:var(--weak);margin-top:2px;}

  .control-card{
    position:relative;
    border-radius:var(--radius-lg);
    overflow:hidden;
    border:1px solid var(--border);
    box-shadow:var(--shadow-sm);
    background:#111318;
    min-height:400px;
    display:flex;
    flex-direction:column;
    justify-content:flex-end;
  }
  .control-card .bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-1.webp');
    background-size:cover;
    background-position:center;
    opacity:.55;
  }
  .control-card::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(17,19,24,.25) 0%,rgba(17,19,24,.88) 62%,rgba(17,19,24,.97) 100%);
  }
  .control-inner{position:relative;z-index:2;padding:26px;color:var(--dark-text);}
  .control-inner h3{font-size:19px;color:#fff;margin-bottom:6px;}
  .control-inner > p{font-size:13.5px;color:var(--dark-muted);}
  .control-list{display:grid;gap:10px;margin-top:18px;}
  .control-row{
    display:flex;align-items:center;gap:12px;
    padding:12px 14px;
    border-radius:14px;
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.10);
    transition:background .18s ease,border-color .18s ease,transform .18s ease;
  }
  .control-row:hover{background:rgba(255,255,255,.12);border-color:var(--primary-line);transform:translateY(-2px);}
  .control-row i{color:var(--primary);font-size:15px;width:20px;text-align:center;}
  .control-row span{font-size:14px;font-weight:600;color:#fff;}
  .control-row small{margin-left:auto;font-size:12px;color:var(--dark-muted);}

  /* ---------- 搜索筛选条 ---------- */
  .search-band{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-sm);
    padding:20px;
    margin-top:44px;
  }
  .search-row{display:flex;gap:12px;flex-wrap:wrap;}
  .search-field{
    position:relative;flex:1;min-width:240px;
  }
  .search-field i{
    position:absolute;left:16px;top:50%;transform:translateY(-50%);
    color:var(--weak);font-size:14px;
  }
  .search-field input{
    width:100%;height:48px;
    padding:0 16px 0 42px;
    border-radius:12px;
    border:1px solid var(--border);
    background:#FCFAF6;
    color:var(--text);
    transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
  }
  .search-field input::placeholder{color:var(--weak);}
  .search-field input:focus{
    outline:none;
    background:#fff;
    border-color:var(--primary);
    box-shadow:0 0 0 4px rgba(255,90,31,.20);
  }
  .chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px;}
  .chip{
    padding:8px 15px;
    border-radius:999px;
    border:1px solid var(--border);
    background:#fff;
    color:var(--muted);
    font-size:13.5px;
    font-weight:600;
    transition:all .18s ease;
  }
  .chip:hover{border-color:var(--primary-line);color:var(--primary);}
  .chip.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(255,90,31,.24);}

  /* ---------- 通用板块 ---------- */
  .section{padding:72px 0;}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:34px;}
  .section-head h2{font-size:clamp(1.7rem,2.8vw,2.3rem);}
  .section-head p{color:var(--muted);font-size:15px;margin-top:8px;max-width:620px;}
  .divider{height:1px;background:var(--border);}

  /* ---------- 快捷入口小卡 ---------- */
  .quick-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:16px;
  }
  .quick-card{
    display:block;
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--radius-md);
    padding:20px;
    box-shadow:var(--shadow-sm);
    transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  }
  .quick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary-line);}
  .quick-card .ico{
    width:42px;height:42px;border-radius:12px;
    display:flex;align-items:center;justify-content:center;
    background:var(--primary-soft);color:var(--primary);font-size:16px;
    margin-bottom:14px;
  }
  .quick-card h3{font-size:16px;margin-bottom:6px;}
  .quick-card p{font-size:13.5px;color:var(--muted);line-height:1.7;}

  /* ---------- 入口卡片矩阵 ---------- */
  .matrix{
    display:grid;
    grid-template-columns:repeat(12,1fr);
    gap:20px;
  }
  .m-card{
    grid-column:span 4;
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--radius-md);
    box-shadow:var(--shadow-sm);
    overflow:hidden;
    display:flex;flex-direction:column;
    transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  }
  .m-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary-line);}
  .m-card.is-wide{grid-column:span 8;}
  .m-card.is-half{grid-column:span 6;}
  .m-thumb{
    position:relative;
    aspect-ratio:16/9;
    overflow:hidden;
    background:var(--primary-soft);
  }
  .m-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
  .m-card:hover .m-thumb img{transform:scale(1.04);}
  .m-thumb .tag{
    position:absolute;left:14px;top:14px;
    padding:5px 11px;border-radius:999px;
    background:rgba(255,255,255,.94);
    color:var(--ink);font-size:12px;font-weight:700;
  }
  .m-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .m-body h3{font-size:17.5px;}
  .m-body p{font-size:14px;color:var(--muted);line-height:1.75;}
  .m-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:12px;}
  .m-body .btn-text{font-size:14px;}

  /* ---------- 步骤 ---------- */
  .steps{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:0;
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-sm);
    overflow:hidden;
  }
  .step{
    padding:30px 26px;
    border-right:1px dashed var(--border);
    position:relative;
  }
  .step:last-child{border-right:none;}
  .step .dot{
    width:12px;height:12px;border-radius:50%;
    background:var(--primary);
    box-shadow:0 0 0 6px var(--primary-soft);
    margin-bottom:18px;
  }
  .step .idx{
    font-size:13px;font-weight:800;color:var(--weak);letter-spacing:.14em;
  }
  .step h3{font-size:17px;margin:10px 0 8px;}
  .step p{font-size:14px;color:var(--muted);line-height:1.78;}

  /* ---------- 深色数据区 ---------- */
  .dark-band{
    background:var(--ink);
    border-radius:var(--radius-lg);
    padding:48px 40px;
    color:var(--dark-text);
    box-shadow:var(--shadow-lg);
  }
  .dark-band h2{color:#fff;font-size:clamp(1.6rem,2.6vw,2.1rem);}
  .dark-band .lead{color:var(--dark-muted);font-size:15px;margin-top:10px;max-width:640px;}
  .metric-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
    margin-top:34px;
  }
  .metric{
    padding:22px;
    border-radius:var(--radius-md);
    background:rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.08);
    transition:transform .2s ease, background .2s ease;
  }
  .metric:hover{transform:translateY(-3px);background:rgba(255,255,255,.09);}
  .metric .v{font-size:30px;font-weight:800;color:#fff;letter-spacing:-.02em;font-variant-numeric:tabular-nums;}
  .metric .k{font-size:13px;color:var(--dark-muted);margin-top:6px;}
  .metric .t{display:inline-block;margin-top:12px;font-size:12px;font-weight:700;color:var(--primary);}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:820px;margin:0 auto;display:grid;gap:12px;}
  .faq-item{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--radius-md);
    box-shadow:var(--shadow-sm);
    overflow:hidden;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .faq-item:hover{border-color:var(--primary-line);}
  .faq-q{
    width:100%;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 22px;
    background:none;border:none;
    text-align:left;
    font-size:17px;font-weight:700;color:var(--ink);
  }
  .faq-q:focus-visible{outline:none;box-shadow:inset 0 0 0 3px rgba(255,90,31,.28);}
  .faq-q i{
    color:var(--primary);font-size:14px;
    transition:transform .22s ease;
    flex-shrink:0;
  }
  .faq-item.open .faq-q i{transform:rotate(45deg);}
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .22s ease;
  }
  .faq-a p{
    padding:0 22px 22px;
    font-size:15px;color:var(--muted);line-height:1.8;
  }

  /* ---------- CTA ---------- */
  .cta-card{
    background:linear-gradient(135deg,#FFF3EC 0%,#FFFFFF 55%,#EAF7F5 100%);
    border:1px solid var(--border);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-sm);
    padding:48px 40px;
    display:grid;
    grid-template-columns:1.4fr .9fr;
    gap:32px;
    align-items:center;
  }
  .cta-card h2{font-size:clamp(1.6rem,2.6vw,2.2rem);}
  .cta-card p{color:var(--muted);font-size:15px;margin-top:12px;max-width:560px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
  .cta-side{
    background:#fff;
    border:1px solid var(--border);
    border-radius:var(--radius-md);
    padding:22px;
    box-shadow:var(--shadow-sm);
  }
  .cta-side h3{font-size:16px;margin-bottom:12px;}
  .cta-side ul{display:grid;gap:10px;}
  .cta-side li{display:flex;gap:10px;font-size:14px;color:var(--muted);}
  .cta-side li i{color:var(--teal);margin-top:4px;font-size:13px;}

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--ink);
    color:var(--dark-text);
    margin-top:40px;
    padding:56px 0 30px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1fr;
    gap:32px;
  }
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
  .footer-brand .brand-text{font-size:17px;font-weight:800;color:#fff;}
  .site-footer p{font-size:14px;color:var(--dark-muted);line-height:1.8;max-width:340px;}
  .footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
  .footer-col a{
    display:block;
    font-size:14px;
    color:var(--dark-muted);
    padding:6px 0;
    transition:color .18s ease, transform .18s ease;
  }
  .footer-col a:hover{color:var(--primary);transform:translateX(3px);}
  .footer-bottom{
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
    margin-top:40px;padding-top:22px;
    border-top:1px solid rgba(255,255,255,.10);
    font-size:13px;color:var(--weak);
  }

  /* ---------- 底部固定转化条 ---------- */
  .sticky-cta{
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:60;
    background:rgba(255,255,255,.96);
    backdrop-filter:blur(10px);
    border-top:1px solid var(--border);
    padding:12px 20px calc(12px + env(safe-area-inset-bottom));
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    box-shadow:0 -8px 28px rgba(17,19,24,.08);
  }
  .sticky-cta .txt{font-size:14px;font-weight:700;color:var(--ink);}
  .sticky-cta .txt small{display:block;font-size:12px;font-weight:500;color:var(--weak);}
  .float-card{
    position:fixed;
    right:26px;bottom:26px;
    z-index:60;
    width:360px;
    background:#fff;
    border:1px solid var(--border);
    border-radius:var(--radius-md);
    box-shadow:var(--shadow-lg);
    padding:20px;
    display:flex;align-items:center;gap:16px;
    opacity:0;transform:translateY(16px);
    pointer-events:none;
    transition:opacity .24s ease, transform .24s ease;
  }
  .float-card.show{opacity:1;transform:translateY(0);pointer-events:auto;}
  .float-card .txt{font-size:14px;font-weight:700;color:var(--ink);}
  .float-card .txt small{display:block;font-size:12px;font-weight:500;color:var(--weak);margin-top:2px;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .nav-links{
      display:none;
      position:absolute;
      top:calc(100% + 10px);
      left:0;right:0;
      background:#fff;
      border:1px solid var(--border);
      border-radius:var(--radius-md);
      box-shadow:var(--shadow-lg);
      padding:12px;
      grid-template-columns:1fr 1fr;
      gap:8px;
      z-index:70;
    }
    .nav-links.open{display:grid;}
    .nav-item{justify-content:flex-start;}
    .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
    .nav-cta .btn{display:none;}
    .hero-grid{grid-template-columns:1fr;gap:30px;}
    .control-card{min-height:320px;}
    .quick-grid{grid-template-columns:repeat(2,1fr);}
    .m-card,.m-card.is-wide,.m-card.is-half{grid-column:span 6;}
    .steps{grid-template-columns:1fr;}
    .step{border-right:none;border-bottom:1px dashed var(--border);}
    .step:last-child{border-bottom:none;}
    .metric-grid{grid-template-columns:repeat(2,1fr);}
    .cta-card{grid-template-columns:1fr;padding:34px 26px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
    .float-card{display:none;}
  }
  @media (max-width:639px){
    body{font-size:15.5px;padding-bottom:96px;}
    .container-x{padding-left:16px;padding-right:16px;}
    .brand-text{font-size:15.5px;}
    .hero{padding:40px 0 12px;}
    .hero-stats{gap:20px;}
    .hero-stats .num{font-size:22px;}
    .section{padding:52px 0;}
    .quick-grid{grid-template-columns:1fr;}
    .m-card,.m-card.is-wide,.m-card.is-half{grid-column:span 12;}
    .metric-grid{grid-template-columns:1fr;gap:12px;}
    .dark-band{padding:32px 22px;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;}
    .faq-q{font-size:16px;padding:17px 18px;}
    .faq-a p{padding:0 18px 18px;}
    .sticky-cta .txt small{display:none;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  }

/* roulang page: article */
:root{
  --orange:#FF5A1F;
  --orange-deep:#E8480F;
  --orange-soft:#FFF1EA;
  --jade:#18A999;
  --ink:#111318;
  --paper:#F7F4EE;
  --card:#FFFFFF;
  --line:#E7E1D8;
  --t1:#15171A;
  --t2:#5C626B;
  --t3:#8A9099;
  --r-sm:14px;
  --r-md:18px;
  --r-lg:24px;
  --shadow-1:0 1px 2px rgba(17,19,24,.04), 0 12px 32px rgba(17,19,24,.06);
  --shadow-2:0 18px 48px rgba(17,19,24,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--t1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  padding-bottom:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid rgba(255,90,31,.55);outline-offset:2px;border-radius:8px}

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

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,244,238,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{padding-top:12px;padding-bottom:12px}
.nav-card{
  display:flex;align-items:center;gap:18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--shadow-1);
  padding:10px 14px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(135deg,var(--orange),#FF8A4C);
  color:#fff;font-weight:800;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(255,90,31,.28);
}
.brand-text{font-weight:800;font-size:17px;letter-spacing:-.02em;color:var(--t1)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 13px;border-radius:14px;
  font-size:14px;color:var(--t2);
  border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.nav-item i{font-size:13px;opacity:.85}
.nav-item:hover{background:var(--orange-soft);color:var(--orange);border-color:rgba(255,90,31,.24);transform:translateY(-1px)}
.nav-item.active{background:var(--orange-soft);color:var(--orange);border-color:rgba(255,90,31,.32)}
.nav-cta{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);color:var(--t1);
  align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:rgba(255,90,31,.4);color:var(--orange)}

.mobile-drawer{
  display:none;
  margin-top:10px;background:var(--card);
  border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-1);padding:14px;
}
.mobile-drawer.open{display:block}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.drawer-card{
  display:flex;align-items:center;gap:8px;
  padding:12px;border-radius:14px;border:1px solid var(--line);
  font-size:14px;color:var(--t2);background:#FDFBF7;
}
.drawer-card.active{background:var(--orange-soft);color:var(--orange);border-color:rgba(255,90,31,.3)}
.drawer-card:hover{border-color:rgba(255,90,31,.4);color:var(--orange)}
.drawer-cta{margin-top:12px;display:block;text-align:center}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:0;
  border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 26px rgba(255,90,31,.26)}
.btn-primary:hover{background:var(--orange-deep);transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,90,31,.32)}
.btn-ghost{background:transparent;color:var(--t1);border-color:var(--line)}
.btn-ghost:hover{border-color:rgba(255,90,31,.5);color:var(--orange);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--t1);border-color:var(--line)}
.btn-light:hover{border-color:rgba(255,90,31,.45);color:var(--orange)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--orange);font-weight:700;font-size:14px}
.link-arrow i{transition:transform .18s ease}
.link-arrow:hover i{transform:translateX(4px)}

/* ============ 标签 ============ */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.chip-cat{background:var(--orange-soft);color:var(--orange)}
.chip-jade{background:rgba(24,169,153,.12);color:var(--jade)}
.chip-line{background:#fff;border:1px solid var(--line);color:var(--t2);font-weight:600}

/* ============ 文章头部 ============ */
.article-hero{
  padding:32px 0 8px;
}
.article-head{
  position:relative;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background-image:linear-gradient(100deg,rgba(247,244,238,.97) 0%,rgba(247,244,238,.92) 52%,rgba(247,244,238,.55) 100%),url(/assets/images/backpic/back-1.webp);
  background-size:cover;
  background-position:center right;
  box-shadow:var(--shadow-1);
  padding:40px clamp(20px,4vw,48px) 36px;
  overflow:hidden;
}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--t3);margin-bottom:20px;
}
.breadcrumb a{color:var(--t2)}
.breadcrumb a:hover{color:var(--orange)}
.breadcrumb i{font-size:10px;opacity:.6}
.article-head h1{
  font-size:clamp(2rem,3.6vw,3.1rem);
  line-height:1.16;
  max-width:22em;
  margin-top:16px;
}
.article-lead{
  margin-top:18px;max-width:60ch;
  font-size:16.5px;line-height:1.85;color:var(--t2);
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 18px;
  margin-top:24px;padding-top:20px;
  border-top:1px dashed var(--line);
  font-size:13.5px;color:var(--t3);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}

/* ============ 正文排版 ============ */
.article-main{padding:48px 0 24px}
.article-body{
  max-width:820px;margin:0 auto;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  padding:clamp(24px,4vw,52px);
  font-size:17.5px;line-height:1.9;color:#23262B;
}
.article-body > * + *{margin-top:1.25em}
.article-body h2{
  font-size:28px;line-height:1.35;margin-top:48px;margin-bottom:20px;
  padding-left:14px;border-left:4px solid var(--orange);
}
.article-body h3{font-size:21px;font-weight:700;margin-top:32px;margin-bottom:16px}
.article-body h4{font-size:18px;font-weight:700;margin-top:24px;margin-bottom:12px}
.article-body a{color:var(--jade);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--orange)}
.article-body ul,.article-body ol{padding-left:1.45em}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li{margin:.45em 0}
.article-body img{border-radius:14px;margin:28px auto;box-shadow:var(--shadow-1)}
.article-body figure{margin:28px 0}
.article-body figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:10px}
.article-body blockquote{
  border-left:3px solid var(--orange);
  background:#FFF7F2;
  padding:16px 20px;border-radius:0 14px 14px 0;
  color:var(--t2);font-size:16.5px;
}
.article-body strong{color:var(--t1)}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;overflow:hidden;border-radius:12px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-body th{background:#FBF8F3;font-weight:700}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:36px 0}
.article-body code{background:#F4F1EB;padding:2px 6px;border-radius:6px;font-size:15px}
.article-body pre{background:var(--ink);color:#F7F4EE;padding:18px;border-radius:14px;overflow-x:auto;font-size:14.5px}

.empty-state{
  text-align:center;padding:48px 16px;
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state i{font-size:34px;color:var(--orange)}
.empty-state h2{font-size:22px}
.empty-state p{color:var(--t2);font-size:15px}

/* ============ 提示条 ============ */
.tip-bar{
  max-width:820px;margin:24px auto 0;
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--jade);
  border-radius:16px;padding:16px 20px;box-shadow:var(--shadow-1);
}
.tip-bar i{color:var(--jade);font-size:17px;margin-top:3px}
.tip-bar p{font-size:14px;color:var(--t2)}

/* ============ 相关推荐 ============ */
.related{padding:56px 0 24px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:26px;flex-wrap:wrap}
.section-head h2{font-size:clamp(1.5rem,2.4vw,2rem)}
.section-head p{color:var(--t2);font-size:14.5px;margin-top:8px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,90,31,.3)}
.card-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--orange-soft)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card-thumb img{transform:scale(1.02)}
.card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;line-height:1.45}
.card-body p{font-size:14px;color:var(--t2);line-height:1.7}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t3)}

/* ============ 底部 CTA 区块 ============ */
.cta-band{padding:56px 0 72px}
.cta-panel{
  background:var(--ink);color:#F7F4EE;
  border-radius:var(--r-lg);
  padding:clamp(28px,4vw,48px);
  display:grid;grid-template-columns:1.6fr 1fr;gap:28px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,31,.35),transparent 68%);
}
.cta-panel h2{font-size:clamp(1.5rem,2.6vw,2.1rem);color:#fff;position:relative}
.cta-panel p{color:#B9BDC4;margin-top:12px;font-size:15px;max-width:46ch;position:relative}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;justify-content:flex-end}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#F7F4EE;padding:64px 0 28px;margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand .brand-text{font-size:17px;font-weight:800}
.site-footer p{color:#B9BDC4;font-size:14px;line-height:1.85;max-width:38ch}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.footer-col a{display:block;color:#B9BDC4;font-size:14px;padding:5px 0}
.footer-col a:hover{color:var(--orange)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.08);
  margin-top:40px;padding-top:20px;
  font-size:13px;color:#8F959E;
}

/* ============ 底部固定转化条 ============ */
.fixed-cta{
  position:fixed;right:24px;bottom:24px;z-index:40;
  width:360px;max-width:calc(100vw - 48px);
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-2);
  padding:16px 18px;
  display:flex;align-items:center;gap:14px;
  opacity:0;pointer-events:none;transform:translateY(18px);
  transition:opacity .26s ease,transform .26s ease;
}
.fixed-cta.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.fixed-cta strong{display:block;font-size:14.5px}
.fixed-cta span{font-size:12.5px;color:var(--t3)}
.fixed-cta .btn{margin-left:auto}

@media (max-width:1023px){
  .nav-links,.nav-cta .btn{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{padding-top:10px;padding-bottom:10px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .cta-panel{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container-x{padding:0 16px}
  .article-hero{padding:20px 0 4px}
  .article-body{font-size:17px;padding:22px 18px;border-radius:18px}
  .article-body h2{font-size:23px;margin-top:36px}
  .article-body h3{font-size:19px}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:6px}
  body{padding-bottom:88px}
  .fixed-cta{
    left:0;right:0;bottom:0;width:auto;max-width:none;
    border-radius:20px 20px 0 0;border-left:0;border-right:0;border-bottom:0;
    padding:14px 16px calc(14px + env(safe-area-inset-bottom));
    opacity:1;pointer-events:auto;transform:none;
  }
  .fixed-cta .btn{padding:12px 18px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category2 */
:root{
  --primary:#FF5A1F;
  --primary-dark:#E04A12;
  --primary-soft:#FFF1E9;
  --accent:#18A999;
  --accent-soft:#E7F6F3;
  --ink:#15171A;
  --muted:#5C626B;
  --faint:#8A9099;
  --bg:#F7F4EE;
  --card:#FFFFFF;
  --line:#E7E1D8;
  --dark:#111318;
  --dark-line:rgba(255,255,255,.08);
  --dark-muted:#B9BDC4;
  --radius-s:14px;
  --radius-m:18px;
  --radius-l:24px;
  --shadow-s:0 1px 2px rgba(17,19,24,.04), 0 12px 32px rgba(17,19,24,.06);
  --shadow-h:0 18px 48px rgba(17,19,24,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  padding-bottom:96px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure{margin:0}
ul{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid rgba(255,90,31,.5);outline-offset:2px;border-radius:10px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:84px 0}}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;padding:12px 0;background:rgba(247,244,238,.86);backdrop-filter:blur(10px)}
.nav-card{
  position:relative;
  display:flex;
  align-items:center;
  gap:14px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:20px;
  padding:10px 14px;
  box-shadow:var(--shadow-s);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(140deg,var(--primary),#FF8A4C);
  color:#fff;font-weight:800;font-size:17px;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(255,90,31,.28);
}
.brand-text{font-weight:800;font-size:17px;letter-spacing:-.02em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 13px;border-radius:12px;
  font-size:14px;color:var(--muted);
  border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.nav-item i{font-size:13px;color:var(--faint);transition:color .18s ease}
.nav-item:hover{background:var(--primary-soft);color:var(--primary);transform:translateY(-2px)}
.nav-item:hover i{color:var(--primary)}
.nav-item.active{background:var(--primary-soft);color:var(--primary);border-color:rgba(255,90,31,.25);font-weight:600}
.nav-item.active i{color:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}
@media (max-width:1023px){
  .nav-links{
    display:none;
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    background:var(--card);border:1px solid var(--line);border-radius:20px;
    padding:12px;grid-template-columns:1fr 1fr;gap:8px;
    box-shadow:var(--shadow-h);
  }
  .nav-links.open{display:grid}
  .nav-item{justify-content:flex-start;background:#FBF9F5}
  .nav-toggle{display:inline-flex}
  .nav-card{gap:10px}
}
@media (max-width:520px){
  .brand-text{font-size:15px}
  .nav-actions .btn{display:none}
}

/* ---------- 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn i{transition:transform .18s ease}
.btn:hover i{transform:translateX(4px)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(255,90,31,.24)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-dark{background:var(--dark);color:#F7F4EE}
.btn-dark:hover{background:#1D2027;transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);
  font-size:13px;font-weight:600;
}
.tag-accent{background:var(--accent-soft);color:#0F7E72}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:8px;
  background:#FBF9F5;border:1px solid var(--line);
  font-size:12.5px;color:var(--muted);font-weight:500;
}
.badge-strong{background:var(--dark);border-color:var(--dark);color:#F7F4EE}

/* ---------- 卡片 ---------- */
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:rgba(255,90,31,.3)}
.card-pad{padding:22px}
.card-img{border-radius:14px;overflow:hidden;background:var(--primary-soft)}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card-img img{transform:scale(1.03)}

/* ---------- Hero ---------- */
.hero{padding:32px 0 8px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--faint);margin-bottom:18px}
.crumb a:hover{color:var(--primary)}
.crumb-current{color:var(--muted);font-weight:600}
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.15fr .85fr;gap:52px}}
h1{
  font-size:clamp(2.2rem,5vw,3.6rem);
  line-height:1.1;letter-spacing:-.02em;font-weight:800;margin:16px 0 18px;
}
.hl{position:relative;color:var(--primary);display:inline-block}
.hl::after{
  content:"";position:absolute;left:0;bottom:.06em;height:.13em;width:100%;
  background:rgba(255,90,31,.26);transform:scaleX(0);transform-origin:left;
  animation:sweep .7s .25s ease forwards;
}
@keyframes sweep{to{transform:scaleX(1)}}
.hero-sub{font-size:17px;color:var(--muted);max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;padding-top:22px;border-top:1px solid var(--line)}
.hero-stat-num{font-size:26px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.hero-stat-num span{color:var(--primary)}
.hero-stat-label{font-size:13px;color:var(--faint)}

.panel{
  position:relative;overflow:hidden;border-radius:var(--radius-l);
  background:var(--dark);color:#F7F4EE;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--shadow-h);
  padding:26px;
}
.panel::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.22;
}
.panel > *{position:relative;z-index:1}
.panel-line{border-top:1px solid var(--dark-line);padding-top:14px;margin-top:14px}
.panel-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px}
.panel-row span:first-child{color:var(--dark-muted)}
.panel-row strong{font-weight:700}
.panel-metric{font-size:34px;font-weight:800;letter-spacing:-.02em}
.panel-metric small{font-size:14px;font-weight:600;color:var(--dark-muted);margin-left:6px}

/* ---------- 版本对照 ---------- */
.layout-2{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:1024px){.layout-2{grid-template-columns:340px 1fr;gap:32px}}
.sticky-card{position:relative}
@media (min-width:1024px){.sticky-card{position:sticky;top:104px}}
.spec-list{display:grid;gap:10px;margin-top:16px}
.spec-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;padding:11px 13px;border-radius:12px;background:#FBF9F5;border:1px solid var(--line)}
.spec-row span:first-child{color:var(--faint)}
.spec-row span:last-child{font-weight:600;color:var(--ink)}

.version-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:768px){.version-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1100px){.version-grid{grid-template-columns:repeat(3,1fr)}}
.version-card{display:flex;flex-direction:column;gap:14px;padding:22px}
.version-card h3{font-size:19px;font-weight:700;letter-spacing:-.01em}
.version-meta{display:flex;flex-wrap:wrap;gap:8px}
.version-desc{font-size:14.5px;color:var(--muted)}
.version-list{display:grid;gap:8px;font-size:14px;color:var(--muted)}
.version-list li{display:flex;gap:9px;align-items:flex-start}
.version-list i{color:var(--accent);margin-top:5px;font-size:12px}
.version-card .btn{margin-top:auto}
.version-card.feature{border-color:rgba(255,90,31,.35);background:linear-gradient(180deg,#FFF8F4,#fff 55%)}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:20px;position:relative}
@media (min-width:900px){.steps{grid-template-columns:repeat(3,1fr);gap:26px}}
.step{position:relative;padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);box-shadow:var(--shadow-s)}
.step::after{
  content:"";position:absolute;left:24px;right:24px;top:-14px;height:1px;background:var(--line);display:none;
}
@media (min-width:900px){.step::after{display:block}}
.step-dot{
  width:34px;height:34px;border-radius:999px;background:var(--primary-soft);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;
  border:1px solid rgba(255,90,31,.25);
}
.step h3{font-size:17.5px;font-weight:700;margin:14px 0 8px}
.step p{font-size:14.5px;color:var(--muted)}

/* ---------- 适配 ---------- */
.grid-12{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:900px){.grid-12{grid-template-columns:repeat(12,1fr)}}
.span-7{grid-column:span 12}
.span-5{grid-column:span 12}
@media (min-width:900px){.span-7{grid-column:span 7}.span-5{grid-column:span 5}}
.fit-main{overflow:hidden;padding:0;display:flex;flex-direction:column}
.fit-main .fit-body{padding:24px}
.fit-main .fit-img{height:210px;overflow:hidden}
.fit-main .fit-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.fit-main:hover .fit-img img{transform:scale(1.03)}
.mini-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:640px) and (max-width:899px){.mini-grid{grid-template-columns:repeat(2,1fr)}}
.mini{display:flex;gap:14px;padding:20px}
.mini-icon{
  width:42px;height:42px;flex-shrink:0;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--accent-soft);color:#0F7E72;font-size:16px;
}
.mini h3{font-size:16.5px;font-weight:700;margin-bottom:6px}
.mini p{font-size:14px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-s);box-shadow:var(--shadow-s);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item:hover{border-color:rgba(255,90,31,.35)}
.faq-item.open{border-color:rgba(255,90,31,.45)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16.5px;font-weight:600;text-align:left;color:var(--ink);
}
.faq-q i{color:var(--faint);font-size:14px;transition:transform .22s ease,color .18s ease}
.faq-item.open .faq-q i{transform:rotate(135deg);color:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a p{padding:0 20px 20px;font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-l);
  background:var(--dark);color:#F7F4EE;padding:38px 26px;
  border:1px solid rgba(255,255,255,.08);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;opacity:.2;
}
.cta-band > *{position:relative;z-index:1}
.cta-inner{display:grid;gap:24px;align-items:center}
@media (min-width:900px){.cta-inner{grid-template-columns:1.4fr .9fr;gap:36px}.cta-band{padding:48px 44px}}
.cta-band h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;letter-spacing:-.02em;margin-bottom:12px}
.cta-band p{color:var(--dark-muted);font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#F7F4EE;margin-top:64px;padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{font-size:17px}
.site-footer p{color:var(--dark-muted);font-size:14.5px;max-width:360px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col a{display:block;color:var(--dark-muted);font-size:14.5px;margin-bottom:11px}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--dark-line);
  color:var(--dark-muted);font-size:13.5px;
}

/* ---------- 底部转化条 ---------- */
.dockbar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  background:rgba(255,255,255,.96);border-top:1px solid var(--line);
  backdrop-filter:blur(10px);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  transform:translateY(120%);transition:transform .26s ease;
  box-shadow:0 -8px 28px rgba(17,19,24,.08);
}
.dockbar.visible{transform:translateY(0)}
.dockbar-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:14px}
.dockbar-text{font-size:14.5px;font-weight:600;color:var(--ink)}
@media (min-width:1024px){
  .dockbar{
    left:auto;right:26px;bottom:26px;width:360px;
    border:1px solid var(--line);border-radius:var(--radius-m);
    padding:16px 18px;background:#fff;
    box-shadow:var(--shadow-h);
  }
  .dockbar::before{
    content:"下载提示";position:absolute;top:-11px;left:18px;
    background:var(--primary);color:#fff;font-size:12px;font-weight:600;
    padding:2px 10px;border-radius:999px;
  }
}
@media (max-width:1023px){body{padding-bottom:92px}}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
    --primary:#FF5A1F;
    --primary-dark:#E44A12;
    --primary-soft:#FFF1EA;
    --accent:#18A999;
    --accent-soft:#E8F7F4;
    --ink:#111318;
    --ink-soft:#1B1E24;
    --bg:#F7F4EE;
    --card:#FFFFFF;
    --line:#E7E1D8;
    --text:#15171A;
    --muted:#5C626B;
    --soft:#8A9099;
    --danger:#D64545;
    --r-sm:14px;
    --r-md:18px;
    --r-lg:24px;
    --shadow-1:0 1px 2px rgba(17,19,24,.04), 0 12px 32px rgba(17,19,24,.06);
    --shadow-2:0 18px 48px rgba(17,19,24,.12);
    --ease:cubic-bezier(.22,.61,.36,1);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Inter,sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    padding-bottom:96px;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;cursor:pointer;}
  input{font:inherit;}
  h1,h2,h3,h4{margin:0;letter-spacing:-0.02em;font-weight:800;line-height:1.18;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid rgba(255,90,31,.5);outline-offset:2px;border-radius:8px;}

  .container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  .section{padding:72px 0;}
  .section-tight{padding:52px 0;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;letter-spacing:.08em;
    color:var(--primary);background:var(--primary-soft);
    border:1px solid rgba(255,90,31,.18);
    padding:6px 12px;border-radius:999px;
  }
  .eyebrow.green{color:var(--accent);background:var(--accent-soft);border-color:rgba(24,169,153,.2);}
  .sec-title{font-size:clamp(24px,3.4vw,38px);}
  .sec-sub{color:var(--muted);font-size:16px;margin-top:10px;max-width:640px;}

  /* 导航 */
  .site-header{position:sticky;top:0;z-index:60;padding:14px 0;background:linear-gradient(180deg,rgba(247,244,238,.94),rgba(247,244,238,.72));backdrop-filter:blur(12px);}
  .nav-card{
    position:relative;
    display:flex;align-items:center;gap:18px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:20px;
    padding:12px 16px;
    box-shadow:var(--shadow-1);
  }
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:36px;height:36px;border-radius:12px;
    display:grid;place-items:center;
    background:var(--primary);color:#fff;
    font-weight:800;font-size:17px;
    box-shadow:0 8px 18px rgba(255,90,31,.28);
  }
  .brand-text{font-weight:800;font-size:17px;letter-spacing:-.01em;white-space:nowrap;}
  .nav-links{display:flex;align-items:center;gap:6px;margin-left:6px;flex:1;flex-wrap:wrap;}
  .nav-item{
    display:inline-flex;align-items:center;gap:8px;
    padding:9px 13px;border-radius:var(--r-sm);
    font-size:14px;font-weight:600;color:var(--muted);
    border:1px solid transparent;
    transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  }
  .nav-item i{font-size:14px;opacity:.85;}
  .nav-item:hover{background:var(--primary-soft);color:var(--primary);transform:translateY(-2px);border-color:rgba(255,90,31,.16);}
  .nav-item.active{background:var(--primary-soft);color:var(--primary);border-color:rgba(255,90,31,.22);box-shadow:inset 3px 0 0 var(--primary);}
  .nav-right{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .nav-toggle{
    display:none;width:42px;height:42px;border-radius:12px;
    border:1px solid var(--line);background:#fff;color:var(--text);
    align-items:center;justify-content:center;font-size:16px;
  }
  .nav-toggle:hover{border-color:rgba(255,90,31,.4);color:var(--primary);}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:999px;font-weight:700;font-size:15px;
    padding:13px 24px;border:1px solid transparent;
    transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
    white-space:nowrap;
  }
  .btn-sm{padding:10px 18px;font-size:14px;}
  .btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(255,90,31,.26);}
  .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,90,31,.32);}
  .btn-primary:active{transform:scale(.98);}
  .btn-ghost{background:#fff;border-color:var(--line);color:var(--text);}
  .btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
  .btn-dark{background:var(--ink);color:#F7F4EE;}
  .btn-dark:hover{background:#000;transform:translateY(-2px);}
  .btn-link{padding:0;border:none;background:none;color:var(--primary);font-weight:700;font-size:14px;}
  .btn-link i{transition:transform .18s var(--ease);}
  .btn-link:hover i{transform:translateX(4px);}

  /* Hero */
  .hero{position:relative;overflow:hidden;padding:64px 0 56px;}
  .hero-bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-2.webp');
    background-size:cover;background-position:center;
    opacity:.16;
  }
  .hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(115deg,rgba(247,244,238,.96) 0%,rgba(247,244,238,.82) 48%,rgba(247,244,238,.55) 100%);
  }
  .hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
  .hero h1{font-size:clamp(32px,4.6vw,56px);margin-top:18px;}
  .hero h1 .hl{position:relative;display:inline-block;}
  .hero h1 .hl::after{
    content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;
    background:rgba(255,90,31,.22);border-radius:4px;
    transform-origin:left;animation:sweep .8s .25s var(--ease) both;
  }
  @keyframes sweep{from{transform:scaleX(0);}to{transform:scaleX(1);}}
  .hero-lead{margin-top:18px;color:var(--muted);font-size:17px;max-width:560px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
  .hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:34px;}
  .hero-meta div{font-size:13px;color:var(--soft);}
  .hero-meta strong{display:block;font-size:22px;color:var(--text);font-weight:800;letter-spacing:-.02em;}

  .hero-panel{
    position:relative;
    border-radius:var(--r-lg);
    background:var(--ink);
    color:#F7F4EE;
    padding:26px;
    overflow:hidden;
    border:1px solid rgba(255,255,255,.08);
    box-shadow:var(--shadow-2);
  }
  .hero-panel .panel-bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-3.png');
    background-size:cover;background-position:center;
    opacity:.22;
  }
  .hero-panel::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(17,19,24,.7),rgba(17,19,24,.95));}
  .hero-panel > *{position:relative;z-index:2;}
  .panel-title{font-size:15px;font-weight:700;color:#B9BDC4;}
  .panel-row{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08);
  }
  .panel-row:last-of-type{border-bottom:none;}
  .panel-row span:first-child{font-size:14px;color:#B9BDC4;}
  .panel-row span:last-child{font-weight:800;font-size:18px;}

  /* 数据条 */
  .stat-bar{
    display:grid;grid-template-columns:repeat(4,1fr);
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
    box-shadow:var(--shadow-1);overflow:hidden;
  }
  .stat-cell{padding:22px 20px;border-right:1px solid var(--line);}
  .stat-cell:last-child{border-right:none;}
  .stat-cell b{display:block;font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.02em;color:var(--ink);}
  .stat-cell b em{font-style:normal;color:var(--primary);}
  .stat-cell span{font-size:13px;color:var(--muted);}

  /* 标签筛选 */
  .filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
  .chip{
    padding:9px 16px;border-radius:999px;font-size:14px;font-weight:600;
    background:#fff;border:1px solid var(--line);color:var(--muted);
    transition:all .18s var(--ease);
  }
  .chip:hover{border-color:rgba(255,90,31,.4);color:var(--primary);transform:translateY(-2px);}
  .chip.active{background:var(--ink);border-color:var(--ink);color:#F7F4EE;}

  /* 活动卡片 */
  .card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
    box-shadow:var(--shadow-1);overflow:hidden;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
    display:flex;flex-direction:column;
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,90,31,.3);}
  .card:hover .card-img img{transform:scale(1.02);}
  .card-img{position:relative;aspect-ratio:3/2;overflow:hidden;background:var(--primary-soft);}
  .card-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    font-size:12px;font-weight:700;padding:5px 11px;border-radius:999px;
    border:1px solid transparent;letter-spacing:.02em;
  }
  .badge-live{background:var(--primary-soft);color:var(--primary);border-color:rgba(255,90,31,.22);}
  .badge-soon{background:var(--accent-soft);color:var(--accent);border-color:rgba(24,169,153,.24);}
  .badge-done{background:#F1EEE8;color:var(--soft);border-color:var(--line);}
  .card .card-badge{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);backdrop-filter:blur(6px);}
  .card-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .card-body h3{font-size:18px;}
  .card-body p{font-size:14px;color:var(--muted);}
  .card-foot{
    margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    font-size:13px;color:var(--soft);
  }

  /* 横滚卡片 */
  .scroll-x{
    display:flex;gap:16px;overflow-x:auto;padding:6px 4px 18px;
    scroll-snap-type:x mandatory;
    scrollbar-width:thin;
  }
  .scroll-x::-webkit-scrollbar{height:8px;}
  .scroll-x::-webkit-scrollbar-thumb{background:#DFD8CC;border-radius:999px;}
  .scroll-x::-webkit-scrollbar-track{background:transparent;}
  .scroll-item{flex:0 0 300px;scroll-snap-align:start;}

  .node-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
    padding:20px;box-shadow:var(--shadow-1);height:100%;
    transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .node-card:hover{transform:translateY(-4px);border-color:rgba(24,169,153,.35);box-shadow:var(--shadow-2);}
  .node-day{font-size:13px;font-weight:700;color:var(--accent);}
  .node-card h3{font-size:17px;margin-top:8px;}
  .node-card p{font-size:14px;color:var(--muted);margin-top:8px;}

  /* 时间轴 */
  .timeline{position:relative;margin-top:36px;padding-left:0;}
  .tl-track{position:absolute;left:9px;top:12px;bottom:12px;width:2px;background:var(--line);}
  .tl-item{position:relative;padding:0 0 30px 44px;}
  .tl-item:last-child{padding-bottom:0;}
  .tl-dot{
    position:absolute;left:0;top:6px;width:20px;height:20px;border-radius:50%;
    background:#fff;border:2px solid var(--primary);box-shadow:0 0 0 4px rgba(255,90,31,.1);
  }
  .tl-item h3{font-size:18px;}
  .tl-item p{font-size:14px;color:var(--muted);margin-top:8px;max-width:720px;}
  .tl-tag{font-size:12px;font-weight:700;color:var(--soft);letter-spacing:.06em;}

  /* 参与须知 */
  .notice-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:20px;margin-top:34px;}
  .notice-main{
    background:var(--ink);color:#F7F4EE;border-radius:var(--r-md);padding:28px;
    border:1px solid rgba(255,255,255,.08);position:relative;overflow:hidden;
  }
  .notice-main h3{font-size:20px;color:#fff;}
  .notice-main p{color:#B9BDC4;font-size:14px;margin-top:12px;}
  .notice-main .num{font-size:44px;font-weight:800;color:var(--primary);letter-spacing:-.03em;line-height:1;}
  .notice-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
    padding:24px;box-shadow:var(--shadow-1);
  }
  .notice-card i{font-size:18px;color:var(--primary);}
  .notice-card h3{font-size:17px;margin-top:14px;}
  .notice-card p{font-size:14px;color:var(--muted);margin-top:10px;}

  /* FAQ */
  .faq-wrap{max-width:820px;margin:34px auto 0;}
  .faq-item{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
    margin-bottom:12px;overflow:hidden;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
  }
  .faq-item:hover{border-color:rgba(255,90,31,.35);}
  .faq-item.open{border-color:rgba(255,90,31,.4);box-shadow:var(--shadow-1);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    background:none;border:none;text-align:left;
    padding:18px 22px;font-size:17px;font-weight:700;color:var(--text);
  }
  .faq-q i{color:var(--primary);transition:transform .22s var(--ease);}
  .faq-item.open .faq-q i{transform:rotate(45deg);}
  .faq-a{
    max-height:0;overflow:hidden;transition:max-height .22s var(--ease);
  }
  .faq-a p{padding:0 22px 20px;font-size:15px;color:var(--muted);}

  /* CTA */
  .cta-band{
    background:var(--ink);border-radius:var(--r-lg);padding:44px;color:#F7F4EE;
    position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.08);
    display:grid;grid-template-columns:1.4fr .6fr;gap:28px;align-items:center;
  }
  .cta-band::after{
    content:"";position:absolute;right:-80px;top:-60px;width:280px;height:280px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,90,31,.35),transparent 68%);
  }
  .cta-band h2{font-size:clamp(24px,3vw,34px);color:#fff;position:relative;z-index:2;}
  .cta-band p{color:#B9BDC4;margin-top:12px;font-size:15px;position:relative;z-index:2;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2;}

  /* 页脚 */
  .site-footer{background:var(--ink);color:#B9BDC4;padding:56px 0 26px;margin-top:12px;}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .site-footer .brand-mark{background:var(--primary);}
  .site-footer .brand-text{color:#fff;font-weight:800;font-size:17px;}
  .site-footer p{font-size:14px;line-height:1.8;max-width:340px;}
  .footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.04em;}
  .footer-col a{display:block;font-size:14px;padding:5px 0;transition:color .18s var(--ease),transform .18s var(--ease);}
  .footer-col a:hover{color:var(--primary);transform:translateX(3px);}
  .footer-bottom{
    margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
    font-size:13px;color:#8A9099;
  }

  /* 底部转化条 */
  .sticky-cta{
    position:fixed;left:50%;transform:translateX(-50%) translateY(140%);
    bottom:0;width:100%;max-width:1200px;z-index:70;
    background:#fff;border:1px solid var(--line);border-bottom:none;
    border-radius:20px 20px 0 0;box-shadow:0 -10px 34px rgba(17,19,24,.14);
    padding:12px 18px calc(12px + env(safe-area-inset-bottom));
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    transition:transform .28s var(--ease);
  }
  .sticky-cta.show{transform:translateX(-50%) translateY(0);}
  .sticky-cta p{font-size:14px;font-weight:600;}
  .sticky-cta p span{display:block;font-size:12px;color:var(--soft);font-weight:400;}

  @media (min-width:1024px){
    .sticky-cta{
      left:auto;right:26px;transform:translateX(0) translateY(160%);
      width:360px;max-width:none;border-radius:20px;border-bottom:1px solid var(--line);
      bottom:26px;padding:16px 18px;
    }
    .sticky-cta.show{transform:translateX(0) translateY(0);}
  }

  @media (max-width:1023px){
    .nav-toggle{display:inline-flex;}
    .nav-links{
      position:absolute;top:calc(100% + 10px);left:0;right:0;
      display:grid;grid-template-columns:1fr 1fr;gap:10px;
      background:#fff;border:1px solid var(--line);border-radius:18px;
      padding:12px;box-shadow:var(--shadow-2);
      opacity:0;visibility:hidden;transform:translateY(-8px);
      transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
      margin-left:0;
    }
    .nav-links.open{opacity:1;visibility:visible;transform:translateY(0);}
    .nav-item{justify-content:flex-start;}
    .nav-right .btn-ghost{display:none;}
    .hero-inner{grid-template-columns:1fr;gap:30px;}
    .notice-grid{grid-template-columns:1fr 1fr;}
    .notice-main{grid-column:1 / -1;}
    .cta-band{grid-template-columns:1fr;padding:34px 26px;}
  }

  @media (max-width:767px){
    body{padding-bottom:104px;}
    .section{padding:52px 0;}
    .stat-bar{grid-template-columns:1fr 1fr;}
    .stat-cell{border-right:none;border-bottom:1px solid var(--line);}
    .stat-cell:nth-child(odd){border-right:1px solid var(--line);}
    .stat-cell:nth-last-child(-n+2){border-bottom:none;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
    .site-footer p{max-width:none;}
    .notice-grid{grid-template-columns:1fr;}
    .scroll-item{flex:0 0 260px;}
  }

  @media (max-width:520px){
    .container-x{padding:0 16px;}
    .hero{padding:40px 0 44px;}
    .hero-actions .btn{width:100%;}
    .stat-bar{grid-template-columns:1fr;}
    .stat-cell{border-right:none !important;border-bottom:1px solid var(--line);}
    .stat-cell:last-child{border-bottom:none;}
    .footer-grid{grid-template-columns:1fr;}
    .cta-band{padding:28px 20px;}
    .cta-actions .btn{width:100%;}
    .sticky-cta .btn{padding:11px 16px;font-size:14px;}
    .sticky-cta p{font-size:13px;}
  }

  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;}
    html{scroll-behavior:auto;}
  }

/* roulang page: category4 */
:root {
    --brand: #FF5A1F;
    --brand-600: #E44A12;
    --brand-soft: #FFF1E9;
    --jade: #18A999;
    --jade-soft: #E7F6F4;
    --ink: #111318;
    --text: #15171A;
    --muted: #5C626B;
    --weak: #8A9099;
    --paper: #F7F4EE;
    --card: #FFFFFF;
    --line: #E7E1D8;
    --danger: #D64545;
    --r-sm: 14px;
    --r-md: 18px;
    --r-lg: 24px;
    --r-pill: 999px;
    --sh-1: 0 1px 2px rgba(17, 19, 24, .04), 0 12px 32px rgba(17, 19, 24, .06);
    --sh-2: 0 18px 48px rgba(17, 19, 24, .12);
  }

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

  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

  body {
    margin: 0;
    font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    font-size: 16px;
    line-height: 1.75;
    color: var(--text);
    background-color: var(--paper);
    padding-bottom: 84px;
  }

  img { max-width: 100%; display: block; }

  a { color: inherit; text-decoration: none; transition: color .18s ease, border-color .18s ease, background-color .18s ease; }

  button { font: inherit; cursor: pointer; }

  input, select, textarea { font: inherit; color: inherit; }

  ::selection { background: var(--brand); color: #fff; }

  .container-x {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
  }

  @media (min-width: 640px) { .container-x { padding: 0 24px; } }
  @media (min-width: 1024px) { .container-x { padding: 0 32px; } }

  /* ---------- 导航 ---------- */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(247, 244, 238, .92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(231, 225, 216, .8);
    padding: 12px 0;
  }

  .nav-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--sh-1);
    padding: 10px 12px;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
    padding-left: 4px;
  }

  .brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 11px;
    background: var(--brand);
    color: #fff;
    font-weight: 800;
    font-size: 16px;
    letter-spacing: 0;
    box-shadow: 0 6px 18px rgba(255, 90, 31, .32);
  }

  .brand-text {
    font-weight: 800;
    font-size: 17px;
    letter-spacing: -.02em;
    white-space: nowrap;
  }

  .nav-links {
    display: none;
    align-items: center;
    gap: 6px;
    flex: 1 1 auto;
    justify-content: center;
  }

  .nav-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 13px;
    border-radius: 13px;
    font-size: 14px;
    font-weight: 600;
    color: var(--muted);
    border: 1px solid transparent;
    white-space: nowrap;
    transition: transform .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
  }

  .nav-item i { font-size: 13px; color: var(--weak); transition: color .18s ease; }

  .nav-item:hover {
    background: var(--brand-soft);
    color: var(--brand-600);
    transform: translateY(-2px);
    border-color: rgba(255, 90, 31, .18);
  }

  .nav-item:hover i { color: var(--brand); }

  .nav-item:focus-visible {
    outline: 2px solid rgba(255, 90, 31, .5);
    outline-offset: 2px;
  }

  .nav-item.active {
    background: var(--brand-soft);
    color: var(--brand-600);
    border-color: rgba(255, 90, 31, .28);
    box-shadow: inset 3px 0 0 var(--brand);
  }

  .nav-item.active i { color: var(--brand); }

  .nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    flex: 0 0 auto;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 13px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--text);
    transition: border-color .18s ease, color .18s ease, background-color .18s ease;
  }

  .nav-toggle:hover { border-color: rgba(255, 90, 31, .4); color: var(--brand-600); }

  .nav-toggle:focus-visible { outline: 2px solid rgba(255, 90, 31, .5); outline-offset: 2px; }

  .nav-drawer {
    display: none;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--sh-1);
    padding: 14px;
    margin-top: 10px;
  }

  .nav-drawer.open { display: block; animation: fadeDown .22s ease both; }

  .drawer-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .drawer-grid .nav-item {
    justify-content: flex-start;
    border: 1px solid var(--line);
    background: #fff;
    padding: 12px 12px;
  }

  .drawer-cta { margin-top: 12px; }
  .drawer-cta .btn { width: 100%; }

  @keyframes fadeDown {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
  }

  @media (min-width: 1024px) {
    .nav-links { display: flex; }
    .nav-toggle { display: none; }
    .nav-drawer { display: none !important; }
  }

  /* ---------- 按钮 ---------- */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border-radius: var(--r-pill);
    font-size: 15px;
    font-weight: 700;
    line-height: 1.2;
    border: 1px solid transparent;
    transition: transform .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease;
    cursor: pointer;
  }

  .btn-primary {
    background: var(--brand);
    color: #fff;
    box-shadow: 0 10px 26px rgba(255, 90, 31, .28);
  }

  .btn-primary:hover { background: var(--brand-600); transform: translateY(-2px); box-shadow: 0 16px 34px rgba(255, 90, 31, .32); }
  .btn-primary:active { transform: scale(.98); }

  .btn-ghost {
    background: #fff;
    color: var(--text);
    border-color: var(--line);
  }

  .btn-ghost:hover { border-color: rgba(255, 90, 31, .5); color: var(--brand-600); transform: translateY(-2px); }
  .btn-ghost:active { transform: scale(.98); }

  .btn-dark {
    background: var(--ink);
    color: #F7F4EE;
  }

  .btn-dark:hover { background: #000; transform: translateY(-2px); }

  .btn-light {
    background: #F7F4EE;
    color: var(--ink);
  }

  .btn-light:hover { background: #fff; transform: translateY(-2px); }

  .btn:focus-visible { outline: 2px solid rgba(255, 90, 31, .45); outline-offset: 2px; }

  .btn-sm { padding: 10px 18px; font-size: 14px; }
  .btn[disabled] { opacity: .4; pointer-events: none; }

  .link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 14px;
    font-weight: 700;
    color: var(--brand-600);
  }

  .link-arrow i { transition: transform .18s ease; font-size: 12px; }
  .link-arrow:hover i { transform: translateX(4px); }
  .link-arrow:focus-visible { outline: 2px solid rgba(255, 90, 31, .45); outline-offset: 3px; border-radius: 6px; }

  /* ---------- 通用标签与标题 ---------- */
  .tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: var(--r-pill);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .02em;
    background: #F1EDE6;
    color: var(--muted);
  }

  .tag-brand { background: var(--brand-soft); color: var(--brand-600); }
  .tag-jade { background: var(--jade-soft); color: #0F7F73; }

  .eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .08em;
    color: var(--brand-600);
    margin-bottom: 10px;
  }

  .section { padding: 72px 0; }
  .section-alt { background: #FBF9F5; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

  @media (min-width: 1024px) { .section { padding: 96px 0; } }

  .section-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 36px;
  }

  .section-head h2 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: -.02em;
    margin: 0;
  }

  .section-note {
    max-width: 460px;
    margin: 0;
    color: var(--muted);
    font-size: 15px;
  }

  /* ---------- Hero ---------- */
  .hero {
    padding: 44px 0 64px;
    background:
      radial-gradient(900px 420px at 88% -10%, rgba(255, 90, 31, .10), transparent 62%),
      radial-gradient(700px 380px at 4% 100%, rgba(24, 169, 153, .10), transparent 60%);
  }

  .crumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--weak);
    margin-bottom: 26px;
  }

  .crumbs a:hover { color: var(--brand-600); }
  .crumb-now { color: var(--text); font-weight: 600; }

  .hero h1 {
    font-size: clamp(2.15rem, 4.6vw, 3.6rem);
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -.025em;
    margin: 18px 0 0;
  }

  .hl {
    position: relative;
    color: var(--brand-600);
  }

  .hl::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: .08em;
    height: .28em;
    background: rgba(255, 90, 31, .18);
    border-radius: 4px;
    z-index: -1;
  }

  .lead {
    margin: 18px 0 0;
    font-size: 17px;
    color: var(--muted);
    max-width: 560px;
  }

  .search-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-sm);
    padding: 6px 6px 6px 14px;
    box-shadow: var(--sh-1);
    max-width: 520px;
  }

  .search-bar i { color: var(--weak); font-size: 14px; }

  .search-bar input {
    flex: 1 1 auto;
    min-width: 0;
    height: 38px;
    border: 0;
    outline: none;
    background: transparent;
    font-size: 15px;
  }

  .search-bar input::placeholder { color: var(--weak); }

  .search-bar:focus-within {
    border-color: rgba(255, 90, 31, .55);
    box-shadow: 0 0 0 3px rgba(255, 90, 31, .16), var(--sh-1);
  }

  .hero-side {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    box-shadow: var(--sh-1);
    overflow: hidden;
  }

  .hero-side img {
    width: 100%;
    height: 190px;
    object-fit: cover;
    background: var(--brand-soft);
  }

  .hero-side-body { padding: 22px; }

  .hero-side-body h3 {
    margin: 0 0 6px;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -.01em;
  }

  .hero-side-body p { margin: 0; color: var(--muted); font-size: 14.5px; }

  .mini-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px dashed var(--line);
  }

  .mini-stats .num {
    display: block;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -.02em;
    color: var(--ink);
    line-height: 1.2;
  }

  .mini-stats .lbl { font-size: 12.5px; color: var(--weak); }

  /* ---------- 卡片 ---------- */
  .card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    box-shadow: var(--sh-1);
    overflow: hidden;
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  }

  .card:hover {
    transform: translateY(-3px);
    box-shadow: var(--sh-2);
    border-color: rgba(255, 90, 31, .3);
  }

  .card img.thumb {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--brand-soft);
    transition: transform .24s ease;
  }

  .card:hover img.thumb { transform: scale(1.02); }

  .card-body { padding: 22px; }
  .card-body h3 { margin: 12px 0 8px; font-size: 19px; font-weight: 800; letter-spacing: -.015em; }
  .card-body p { margin: 0 0 14px; color: var(--muted); font-size: 14.5px; }

  .card-compact { padding: 22px; display: flex; flex-direction: column; gap: 10px; }

  .card-compact .ico {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--brand-soft);
    color: var(--brand-600);
    font-size: 16px;
  }

  .card-compact h3 { margin: 0; font-size: 17px; font-weight: 800; }
  .card-compact p { margin: 0; color: var(--muted); font-size: 14.5px; }

  .strip {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: #fff;
    border: 1px solid var(--line);
    border-left: 4px solid var(--jade);
    border-radius: var(--r-sm);
    padding: 18px 20px;
    box-shadow: var(--sh-1);
    transition: transform .2s ease, box-shadow .2s ease;
  }

  .strip:hover { transform: translateY(-2px); box-shadow: var(--sh-2); }
  .strip i { color: var(--jade); font-size: 18px; margin-top: 3px; }
  .strip h3 { margin: 0 0 4px; font-size: 16px; font-weight: 800; }
  .strip p { margin: 0; color: var(--muted); font-size: 14.5px; }

  /* ---------- 步骤 ---------- */
  .step-list { list-style: none; margin: 26px 0 0; padding: 0; }

  .step {
    display: flex;
    gap: 18px;
    position: relative;
    padding-bottom: 26px;
  }

  .step:last-child { padding-bottom: 0; }

  .step::before {
    content: "";
    position: absolute;
    left: 20px;
    top: 44px;
    bottom: 6px;
    width: 1px;
    background: var(--line);
  }

  .step:last-child::before { display: none; }

  .step-dot {
    flex: 0 0 auto;
    width: 41px;
    height: 41px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--brand);
    color: #fff;
    font-size: 13px;
    font-weight: 800;
    box-shadow: 0 8px 20px rgba(255, 90, 31, .28);
  }

  .step h3 { margin: 6px 0 6px; font-size: 17.5px; font-weight: 800; }
  .step p { margin: 0; color: var(--muted); font-size: 15px; }

  .figure-card {
    margin: 0;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    box-shadow: var(--sh-1);
    overflow: hidden;
  }

  .figure-card img {
    width: 100%;
    height: 340px;
    object-fit: cover;
    background: var(--brand-soft);
  }

  .figure-card figcaption {
    padding: 16px 20px;
    font-size: 13.5px;
    color: var(--muted);
    border-top: 1px solid var(--line);
  }

  /* ---------- FAQ ---------- */
  .faq-wrap { max-width: 820px; margin: 0 auto; }

  .faq-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
  }

  .faq-toolbar .search-bar { max-width: 100%; flex: 1 1 320px; }
  .faq-count { font-size: 13.5px; color: var(--weak); }

  .faq-list { display: flex; flex-direction: column; gap: 12px; }

  .faq-item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-sm);
    box-shadow: var(--sh-1);
    overflow: hidden;
    transition: border-color .18s ease, box-shadow .18s ease;
  }

  .faq-item:hover { border-color: rgba(255, 90, 31, .35); }

  .faq-q {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    text-align: left;
    padding: 18px 20px;
    background: transparent;
    border: 0;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -.01em;
    color: var(--text);
  }

  .faq-q:focus-visible { outline: 2px solid rgba(255, 90, 31, .5); outline-offset: -3px; border-radius: var(--r-sm); }

  .faq-icon {
    flex: 0 0 auto;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    background: #F4F0E9;
    color: var(--muted);
    transition: transform .22s ease, background-color .22s ease, color .22s ease;
  }

  .faq-item.open { border-color: rgba(255, 90, 31, .4); }
  .faq-item.open .faq-icon { transform: rotate(45deg); background: var(--brand); color: #fff; }

  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .22s ease;
  }

  .faq-a p {
    margin: 0;
    padding: 0 20px 20px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.75;
  }

  .faq-empty {
    display: none;
    text-align: center;
    padding: 40px 20px;
    color: var(--muted);
    background: #fff;
    border: 1px dashed var(--line);
    border-radius: var(--r-sm);
  }

  .faq-empty.show { display: block; }
  .faq-empty i { font-size: 22px; color: var(--brand); display: block; margin-bottom: 10px; }

  /* ---------- 表单 ---------- */
  .form-grid { display: grid; gap: 16px; }

  .field label {
    display: block;
    font-size: 13.5px;
    font-weight: 700;
    margin-bottom: 7px;
    color: var(--text);
  }

  .field input,
  .field select,
  .field textarea {
    width: 100%;
    min-height: 46px;
    padding: 11px 14px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: #fff;
    outline: none;
    transition: border-color .18s ease, box-shadow .18s ease;
  }

  .field textarea { min-height: 120px; resize: vertical; line-height: 1.7; }

  .field input:focus,
  .field select:focus,
  .field textarea:focus {
    border-color: rgba(255, 90, 31, .6);
    box-shadow: 0 0 0 3px rgba(255, 90, 31, .18);
  }

  .field .hint { margin-top: 6px; font-size: 12.5px; color: var(--weak); }
  .field .err { display: none; margin-top: 6px; font-size: 12.5px; color: var(--danger); }
  .field.invalid input, .field.invalid select, .field.invalid textarea { border-color: var(--danger); }
  .field.invalid .err { display: block; }

  .form-ok {
    display: none;
    margin-top: 16px;
    padding: 14px 16px;
    border-radius: 12px;
    background: var(--jade-soft);
    color: #0F7F73;
    font-size: 14px;
    font-weight: 600;
  }

  .form-ok.show { display: block; }

  .support-card {
    background: var(--ink);
    color: #F7F4EE;
    border-radius: var(--r-lg);
    padding: 26px;
    border: 1px solid rgba(255, 255, 255, .08);
  }

  .support-card h3 { margin: 0 0 14px; font-size: 19px; font-weight: 800; color: #fff; }

  .support-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }

  .support-list li { display: flex; gap: 12px; font-size: 14.5px; color: #B9BDC4; }

  .support-list i { color: var(--brand); margin-top: 4px; font-size: 14px; }

  .support-list strong { color: #F7F4EE; display: block; font-size: 15px; font-weight: 700; }

  /* ---------- 深色 CTA ---------- */
  .cta-block {
    background: var(--ink);
    color: #F7F4EE;
    border-radius: var(--r-lg);
    padding: 44px 26px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, .08);
  }

  .cta-block h2 {
    margin: 0 0 12px;
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 800;
    letter-spacing: -.02em;
    color: #fff;
  }

  .cta-block p { margin: 0 auto 24px; max-width: 560px; color: #B9BDC4; font-size: 15.5px; }

  .cta-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

  /* ---------- 底部固定转化条 ---------- */
  .sticky-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    background: #fff;
    border-top: 1px solid var(--line);
    box-shadow: 0 -10px 30px rgba(17, 19, 24, .08);
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  }

  .sticky-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    max-width: 1200px;
    margin: 0 auto;
  }

  .sticky-text { display: flex; flex-direction: column; line-height: 1.35; min-width: 0; }
  .sticky-text strong { font-size: 14.5px; font-weight: 800; }
  .sticky-text span { font-size: 12.5px; color: var(--muted); }

  @media (min-width: 1024px) {
    body { padding-bottom: 0; }
    .sticky-cta {
      left: auto;
      right: 24px;
      bottom: 24px;
      width: 380px;
      border: 1px solid var(--line);
      border-radius: var(--r-md);
      box-shadow: var(--sh-2);
      padding: 14px 16px;
      transform: translateY(24px);
      opacity: 0;
      pointer-events: none;
      transition: opacity .24s ease, transform .24s ease;
    }
    .sticky-cta.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
  }

  /* ---------- 页脚 ---------- */
  .site-footer {
    background: var(--ink);
    color: #B9BDC4;
    padding: 60px 0 28px;
    margin-top: 0;
  }

  .footer-grid {
    display: grid;
    gap: 32px;
    grid-template-columns: 1fr;
  }

  @media (min-width: 768px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
  @media (min-width: 1024px) { .footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; } }

  .footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }

  .footer-brand .brand-text { font-size: 18px; font-weight: 800; letter-spacing: -.02em; }

  .site-footer p { margin: 0; font-size: 14.5px; color: #B9BDC4; max-width: 420px; }

  .footer-col h4 {
    margin: 0 0 14px;
    font-size: 14px;
    font-weight: 800;
    color: #F7F4EE;
    letter-spacing: .02em;
  }

  .footer-col a {
    display: block;
    font-size: 14px;
    color: #B9BDC4;
    padding: 5px 0;
  }

  .footer-col a:hover { color: var(--brand); }

  .footer-bottom {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, .08);
    font-size: 13px;
    color: #8A9099;
  }

  /* ---------- 动效 ---------- */
  .fade-up { opacity: 0; transform: translateY(14px); transition: opacity .4s ease, transform .4s ease; }
  .fade-up.in { opacity: 1; transform: translateY(0); }

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

  @media (max-width: 639px) {
    .section { padding: 56px 0; }
    .hero { padding: 30px 0 48px; }
    .hero h1 { font-size: 2rem; }
    .faq-q { font-size: 16px; padding: 16px; }
    .faq-a p { padding: 0 16px 18px; }
    .cta-block { padding: 34px 18px; }
    .figure-card img { height: 240px; }
  }