/* roulang page: index */
:root{
    --signal:#FF6A2B;
    --signal-deep:#E1511C;
    --ink:#101E1C;
    --lime:#C6F24E;
    --cream:#F6F4EF;
    --card:#FFFFFF;
    --line:#E3DFD6;
    --text:#1A1A1A;
    --muted:#5A5F5C;
    --danger:#D92D20;
    --mono: ui-monospace, "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
    --r-card:16px;
    --r-img:12px;
    --r-badge:6px;
    --shadow-1:0 1px 2px rgba(16,30,28,.06);
    --shadow-2:0 8px 24px -12px rgba(16,30,28,.18);
    --shadow-3:0 20px 44px -20px rgba(16,30,28,.32);
    --container:1200px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
    font-size:16px;
    line-height:1.8;
    color:var(--text);
    background:var(--cream);
    padding-bottom:78px;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;height:auto;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;}
  button{border:0;background:none;cursor:pointer;}
  h1,h2,h3,h4,p,dl,dd,dt,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--signal);outline-offset:2px;box-shadow:0 0 0 4px rgba(255,106,43,.22);border-radius:8px;}
  .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
  @media (min-width:768px){ .container{padding:0 32px;} }

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(246,244,239,.94);
    backdrop-filter:blur(10px);
    border-bottom:1px solid transparent;
    transition:border-color .22s ease, box-shadow .22s ease;
  }
  .site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-1);}
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:66px;}
  @media (min-width:768px){ .header-inner{height:76px;} }
  .logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:19px;letter-spacing:-.2px;color:var(--ink);}
  .logo-mark{
    width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--lime);
    display:grid;place-items:center;font-family:var(--mono);font-size:13px;font-weight:800;
  }
  .logo-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.06em;line-height:1.2;}
  .nav-desktop{display:none;}
  @media (min-width:1024px){
    .nav-desktop{display:flex;align-items:center;gap:30px;}
    .nav-desktop .nav-link{font-size:15px;color:var(--muted);position:relative;padding:6px 0;transition:color .18s ease;}
    .nav-desktop .nav-link:hover{color:var(--signal);}
    .nav-desktop .nav-link.is-active{color:var(--signal-deep);font-weight:700;}
    .nav-desktop .nav-link.is-active::after{
      content:'';position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--signal);border-radius:2px;
    }
  }
  .header-cta{display:none;}
  @media (min-width:640px){ .header-cta{display:inline-flex;} }

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:9px;
    font-weight:700;font-size:15px;line-height:1;
    height:52px;padding:0 26px;border-radius:999px;
    transition:background-color .2s ease, transform .18s ease, box-shadow .2s ease, border-color .2s ease, color .2s ease;
    white-space:nowrap;
  }
  .btn-primary{background:var(--signal-deep);color:#fff;box-shadow:0 10px 24px -14px rgba(225,81,28,.9);}
  .btn-primary:hover{background:#c94516;transform:translateY(-2px);box-shadow:0 16px 30px -16px rgba(225,81,28,.95);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:12px;}
  .btn-ghost:hover{border-color:var(--signal);color:var(--signal-deep);transform:translateY(-2px);}
  .btn-dark{background:#fff;color:var(--ink);}
  .btn-dark:hover{background:var(--lime);transform:translateY(-2px);}
  .btn-outline-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.32);}
  .btn-outline-light:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px);}
  .btn-sm{height:42px;padding:0 18px;font-size:14px;}

  /* ---------- Badges & tags ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:8px;
    background:var(--lime);color:var(--ink);
    font-size:13px;font-weight:700;line-height:1;
    padding:8px 13px;border-radius:var(--r-badge);
  }
  .badge-soft{background:rgba(16,30,28,.06);color:var(--muted);font-weight:600;}
  .tag{
    display:inline-block;font-size:12px;font-weight:700;line-height:1;
    padding:6px 10px;border-radius:var(--r-badge);
    background:var(--signal);color:#fff;
  }
  .tag-ink{background:var(--ink);color:var(--lime);}
  .eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--signal-deep);}

  /* ---------- Sections ---------- */
  .section{padding:56px 0;}
  @media (min-width:768px){ .section{padding:96px 0;} }
  .section-tight{padding:44px 0;}
  @media (min-width:768px){ .section-tight{padding:72px 0;} }
  .section-head{max-width:760px;margin-bottom:28px;}
  @media (min-width:768px){ .section-head{margin-bottom:40px;} }
  .h1{font-size:clamp(30px,5vw,54px);font-weight:900;line-height:1.12;letter-spacing:-.5px;}
  .h2{font-size:clamp(24px,3.4vw,36px);font-weight:700;line-height:1.26;letter-spacing:-.3px;margin-top:12px;}
  .h3{font-size:20px;font-weight:700;line-height:1.4;}
  .lead{font-size:17px;color:var(--muted);}
  .section-sub{color:var(--muted);margin-top:12px;}

  /* ---------- Cards ---------- */
  .card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#d6d0c2;}
  .value-item{display:flex;gap:18px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease;}
  .value-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
  .vnum{flex:0 0 auto;font-family:var(--mono);font-size:20px;font-weight:800;color:var(--ink);background:var(--lime);border-radius:8px;padding:5px 11px;line-height:1.4;height:fit-content;}

  .cat-card{display:block;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease;height:100%;}
  .cat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);}
  .cat-card .thumb{overflow:hidden;}
  .cat-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .45s ease;}
  .cat-card:hover img{transform:scale(1.03);}

  .post-card{display:flex;flex-direction:column;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease;}
  .post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);}
  .post-thumb{position:relative;overflow:hidden;}
  .post-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .45s ease;}
  .post-card:hover .post-thumb img{transform:scale(1.03);}
  .post-thumb .tag{position:absolute;left:12px;top:12px;}
  .post-card h3{font-size:18px;font-weight:700;line-height:1.45;transition:color .2s ease;}
  .post-card:hover h3{color:var(--signal-deep);}

  .clamp-1{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
  .clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}

  /* ---------- Hero ---------- */
  .hero{position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--line);}
  .hero::before{
    content:'';position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-2.webp');
    background-size:cover;background-position:center;opacity:.09;
  }
  .hero::after{
    content:'';position:absolute;inset:0;opacity:.7;
    background-image:linear-gradient(rgba(16,30,28,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(16,30,28,.05) 1px,transparent 1px);
    background-size:32px 32px;
  }
  .hero > .container{position:relative;z-index:2;}
  .hero-media{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-3);background:#fff;}
  .hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
  .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;border-top:1px solid var(--line);padding-top:24px;}
  .stat-num{font-family:var(--mono);font-size:clamp(20px,3vw,28px);font-weight:800;color:var(--ink);line-height:1.2;}
  .stat-label{font-size:13px;color:var(--muted);margin-top:4px;}

  /* ---------- Snap row ---------- */
  .snap-row{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 22px;-webkit-overflow-scrolling:touch;}
  .snap-row::-webkit-scrollbar{height:6px;}
  .snap-row::-webkit-scrollbar-thumb{background:#d8d2c5;border-radius:999px;}
  .snap-card{flex:0 0 auto;width:78vw;max-width:360px;scroll-snap-align:start;}
  @media (min-width:1024px){ .snap-card{width:360px;} }

  /* ---------- Spec table ---------- */
  .spec{border:1px solid var(--line);border-radius:var(--r-card);background:#fff;overflow:hidden;box-shadow:var(--shadow-1);}
  .spec-row{display:grid;grid-template-columns:1fr;gap:4px 16px;padding:16px 20px;border-bottom:1px solid var(--line);}
  .spec-row:last-child{border-bottom:0;}
  .spec-row:nth-child(odd){background:rgba(16,30,28,.028);}
  .spec-row dt{font-size:14px;color:var(--muted);}
  .spec-row dd{font-size:15px;font-family:var(--mono);color:var(--ink);line-height:1.7;}
  @media (min-width:640px){
    .spec-row{grid-template-columns:170px 1fr;align-items:center;padding:17px 22px;}
  }
  .plat{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
  .plat span{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--ink);
    background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 15px;box-shadow:var(--shadow-1);
  }
  .plat i{width:8px;height:8px;border-radius:50%;background:var(--signal);display:inline-block;}

  /* ---------- Timeline ---------- */
  .timeline{position:relative;padding-left:34px;}
  .timeline::before{content:'';position:absolute;left:12px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--signal),rgba(255,106,43,.12));}
  .tl-item{position:relative;padding:0 0 28px;}
  .tl-item:last-child{padding-bottom:0;}
  .tl-item::before{
    content:'';position:absolute;left:-28px;top:7px;width:14px;height:14px;border-radius:50%;
    background:#fff;border:3px solid var(--signal);
  }
  .tl-num{font-family:var(--mono);font-size:13px;font-weight:800;color:var(--signal-deep);letter-spacing:.08em;}

  /* ---------- Reviews ---------- */
  .review-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease;}
  .review-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
  .avatar{
    width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
    font-weight:800;font-size:16px;color:var(--signal-deep);
    background:#fff;border:2px solid var(--signal);
  }
  .stars{color:var(--signal);letter-spacing:3px;font-size:14px;}

  /* ---------- CTA band ---------- */
  .cta-band{position:relative;overflow:hidden;background:var(--ink);color:#fff;border-radius:24px;}
  .cta-band::before{
    content:'';position:absolute;inset:0;opacity:.16;
    background-image:url('/assets/images/backpic/back-3.png');
    background-size:cover;background-position:center;
  }
  .cta-band > *{position:relative;z-index:2;}
  .qr-box{
    width:118px;height:118px;border-radius:14px;background:#fff;
    display:grid;place-items:center;text-align:center;color:var(--ink);font-size:12px;line-height:1.5;
    border:1px solid rgba(255,255,255,.3);
  }
  .meta-mono{font-family:var(--mono);font-size:13px;color:#9fb0aa;}

  /* ---------- Empty state ---------- */
  .empty-state{
    border:1px dashed #cfc8b8;border-radius:var(--r-card);background:#fff;
    padding:46px 24px;text-align:center;color:var(--muted);font-size:15px;
  }

  /* ---------- FAQ ---------- */
  .faq{border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{
    list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:20px 0;font-size:16px;font-weight:700;cursor:pointer;transition:color .2s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--signal-deep);}
  .faq-item summary .chev{
    flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
    display:grid;place-items:center;color:var(--muted);transition:transform .25s ease,background-color .25s ease,color .25s ease;
  }
  .faq-item[open] summary{color:var(--signal-deep);}
  .faq-item[open] summary .chev{transform:rotate(180deg);background:var(--signal);border-color:var(--signal);color:#fff;}
  .faq-body{padding:0 0 24px 16px;border-left:3px solid var(--signal);color:var(--muted);font-size:15px;}

  /* ---------- Footer ---------- */
  .site-footer{background:var(--ink);color:#e8ede9;margin-top:8px;}
  .footer-logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:900;color:#fff;}
  .footer-logo .logo-mark{background:var(--lime);color:var(--ink);}
  .footer-desc{color:#9fb0aa;font-size:14px;margin-top:14px;max-width:320px;}
  .footer-title{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--lime);margin-bottom:14px;}
  .footer-link{display:inline-block;font-size:14px;color:#a9b6b1;padding:5px 0;transition:color .18s ease,transform .18s ease;}
  .footer-link:hover{color:var(--signal);transform:translateX(2px);}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);
    padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px 20px;
    justify-content:space-between;font-size:13px;color:#8b9a95;
  }

  /* ---------- Mobile tabbar ---------- */
  .tabbar{
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    display:grid;grid-template-columns:repeat(4,1fr);
    background:rgba(255,255,255,.97);
    backdrop-filter:blur(12px);
    border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .tab-item{position:relative;display:flex;flex-direction:column;align-items:center;gap:3px;padding:10px 4px 12px;font-size:11px;color:var(--muted);transition:color .2s ease;}
  .tab-item svg{width:22px;height:22px;}
  .tab-item.is-active{color:var(--signal-deep);font-weight:700;}
  .tab-item.is-active::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:36px;height:2px;background:var(--signal);border-radius:0 0 2px 2px;}

  @media (min-width:1024px){
    body{padding-bottom:0;}
    .tabbar{display:none;}
  }

  @media (prefers-reduced-motion: reduce){
    *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
    .cat-card:hover img,.post-card:hover .post-thumb img{transform:none;}
  }

/* roulang page: article */
:root{
  --signal:#FF6A2B;
  --signal-dark:#E1511C;
  --ink:#101E1C;
  --ink-soft:#1C2C29;
  --lime:#C6F24E;
  --cream:#F6F4EF;
  --card:#FFFFFF;
  --line:#E3DFD6;
  --text:#1A1A1A;
  --text-2:#5A5F5C;
  --error:#D92D20;
  --radius-card:16px;
  --radius-img:12px;
  --radius-badge:6px;
  --radius-btn:999px;
  --shadow-1:0 1px 2px rgba(16,30,28,.06);
  --shadow-2:0 8px 24px -12px rgba(16,30,28,.18);
  --shadow-3:0 18px 40px -18px rgba(16,30,28,.28);
  --container:1200px;
  --mono:ui-monospace,"JetBrains Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--cream);
  padding-bottom:72px;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--signal);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
@media(min-width:768px){.container{padding:0 32px;}}

/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(246,244,239,.88);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease, box-shadow .25s ease, background .25s ease;
}
.site-header.is-stuck{
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px -16px rgba(16,30,28,.5);
  background:rgba(246,244,239,.96);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:68px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:11px;
  background:var(--ink);
  color:var(--lime);
  font-family:var(--mono);
  font-size:15px;
  font-weight:700;
  letter-spacing:.5px;
}
.logo-text{
  display:flex;
  flex-direction:column;
  font-size:17px;
  font-weight:800;
  line-height:1.1;
  letter-spacing:.2px;
  color:var(--ink);
}
.logo-text small{
  font-size:11px;
  font-weight:500;
  color:var(--text-2);
  letter-spacing:.4px;
  margin-top:3px;
}
.nav-desktop{
  display:none;
  align-items:center;
  gap:6px;
  margin-left:14px;
}
.nav-link{
  position:relative;
  padding:9px 12px;
  font-size:15px;
  color:var(--text-2);
  border-radius:10px;
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--signal-dark);background:rgba(255,106,43,.08);}
.nav-link.is-active{color:var(--signal-dark);font-weight:700;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--signal);
}
.header-cta{margin-left:auto;}
@media(min-width:1024px){
  .nav-desktop{display:flex;margin-left:28px;}
  .logo-text{font-size:18px;}
}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  border-radius:var(--radius-btn);
  font-weight:700;
  font-size:15px;
  padding:13px 24px;
  cursor:pointer;
  transition:transform .18s ease, background .2s ease, color .2s ease, box-shadow .2s ease, border-color .2s ease;
  text-align:center;
}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:var(--signal-dark);
  color:#fff;
  box-shadow:var(--shadow-2);
}
.btn-primary:hover{background:#C8430F;transform:translateY(-2px);box-shadow:var(--shadow-3);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--line);
  border-radius:12px;
}
.btn-ghost:hover{border-color:var(--signal);color:var(--signal-dark);background:#fff;transform:translateY(-2px);}
.btn-light{
  background:#fff;
  color:var(--ink);
  box-shadow:var(--shadow-2);
}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);}
.btn-sm{padding:10px 18px;font-size:14px;}

/* ============ Badge / Tag ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.4px;
  padding:5px 10px;
  border-radius:var(--radius-badge);
  background:var(--lime);
  color:#20301A;
}
.badge-outline{
  background:transparent;
  border:1px solid var(--line);
  color:var(--text-2);
  font-weight:600;
}
.tag{
  display:inline-flex;
  align-items:center;
  font-size:13px;
  padding:7px 14px;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  background:#fff;
  color:var(--text-2);
  transition:all .2s ease;
}
.tag:hover{border-color:var(--signal);color:var(--signal-dark);transform:translateY(-1px);}

/* ============ Breadcrumb ============ */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-2);
  padding:20px 0 0;
}
.breadcrumb a{color:var(--text-2);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--signal-dark);}
.breadcrumb .sep{color:#B9B4A8;}
.breadcrumb .current{
  color:var(--ink);
  font-weight:600;
  max-width:60vw;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ============ Article hero ============ */
.article-hero{padding:26px 0 8px;}
.article-hero .hero-panel{
  position:relative;
  overflow:hidden;
  border-radius:22px;
  background:var(--ink);
  color:#fff;
  padding:34px 24px 32px;
  box-shadow:var(--shadow-3);
}
.article-hero .hero-panel::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(110deg, rgba(16,30,28,.94) 0%, rgba(16,30,28,.82) 48%, rgba(16,30,28,.66) 100%), url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:1;
}
.article-hero .hero-inner{position:relative;z-index:1;}
.article-hero h1{
  font-size:clamp(26px,4.6vw,44px);
  line-height:1.2;
  font-weight:900;
  letter-spacing:-.4px;
  margin:16px 0 0;
  color:#fff;
}
.article-hero .hero-sub{
  margin-top:14px;
  font-size:15px;
  line-height:1.85;
  color:rgba(255,255,255,.78);
  max-width:760px;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 18px;
  margin-top:22px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.16);
  font-size:13px;
  color:rgba(255,255,255,.72);
  font-family:var(--mono);
}
.meta-row span{display:inline-flex;align-items:center;gap:7px;}
.meta-row i{color:var(--lime);}

/* ============ Layout ============ */
.page-main{padding-bottom:8px;}
.layout{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  padding:34px 0 0;
  align-items:start;
}
@media(min-width:1024px){
  .layout{grid-template-columns:minmax(0,1fr) 320px;gap:40px;}
}

/* ============ Article content ============ */
.article-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:26px 20px;
}
@media(min-width:768px){.article-card{padding:44px 46px;}}
.article-content{
  max-width:760px;
  font-size:16px;
  line-height:1.9;
  color:#25292A;
  word-break:break-word;
}
.article-content p{margin:0 0 20px;}
.article-content h2{
  position:relative;
  font-size:clamp(21px,2.6vw,28px);
  font-weight:800;
  line-height:1.35;
  color:var(--ink);
  margin:46px 0 18px;
  padding-left:16px;
}
.article-content h2::before{
  content:"";
  position:absolute;
  left:0;top:.22em;
  width:4px;height:1em;
  border-radius:3px;
  background:var(--signal);
}
.article-content h3{
  font-size:19px;
  font-weight:700;
  color:var(--ink);
  margin:32px 0 14px;
}
.article-content h4{
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  margin:24px 0 10px;
}
.article-content ul,.article-content ol{margin:0 0 22px;padding-left:2px;}
.article-content ul li,.article-content ol li{
  position:relative;
  padding-left:24px;
  margin-bottom:11px;
  color:#33383A;
}
.article-content ul li::before{
  content:"";
  position:absolute;
  left:4px;top:.72em;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--signal);
}
.article-content ol{counter-reset:olc;}
.article-content ol li{counter-increment:olc;}
.article-content ol li::before{
  content:counter(olc);
  position:absolute;
  left:0;top:.16em;
  width:18px;height:18px;
  border-radius:5px;
  background:var(--lime);
  color:#20301A;
  font-family:var(--mono);
  font-size:11px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
}
.article-content blockquote{
  margin:26px 0;
  padding:16px 20px;
  background:#FAF8F3;
  border-left:3px solid var(--signal);
  border-radius:0 12px 12px 0;
  color:#42484A;
  font-size:15.5px;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{
  border-radius:var(--radius-img);
  margin:22px auto;
  box-shadow:var(--shadow-1);
}
.article-content figure{margin:26px 0;}
.article-content figcaption{
  text-align:center;
  font-size:13px;
  color:var(--text-2);
  margin-top:10px;
}
.article-content a{
  color:var(--signal-dark);
  text-decoration:underline;
  text-underline-offset:3px;
  transition:color .2s ease;
}
.article-content a:hover{color:#A93507;}
.article-content code{
  font-family:var(--mono);
  font-size:13.5px;
  background:#F1EFE8;
  border:1px solid var(--line);
  border-radius:6px;
  padding:2px 6px;
  color:#8A3A12;
}
.article-content pre{
  background:var(--ink);
  color:#E8F0EC;
  border-radius:10px;
  padding:18px 20px;
  overflow-x:auto;
  font-family:var(--mono);
  font-size:13.5px;
  line-height:1.75;
  margin:22px 0;
}
.article-content pre code{background:none;border:none;padding:0;color:inherit;font-size:inherit;}
.article-content table{
  width:100%;
  min-width:520px;
  border-collapse:collapse;
  font-size:14.5px;
}
.article-content .table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:12px;
  margin:24px 0;
  background:#fff;
}
.article-content th,.article-content td{
  padding:13px 16px;
  text-align:left;
  border-bottom:1px solid var(--line);
}
.article-content thead th{
  background:#F2F0E9;
  color:var(--ink);
  font-weight:700;
  font-size:13.5px;
}
.article-content tbody tr:nth-child(even){background:#FBFAF7;}
.article-content tbody tr:last-child td{border-bottom:none;}
.article-content hr{
  border:none;
  border-top:1px solid var(--line);
  margin:34px 0;
}
.article-content strong{color:var(--ink);font-weight:700;}

/* empty state */
.empty-state{
  text-align:center;
  padding:56px 22px;
  border:1px dashed #CFC9BC;
  border-radius:var(--radius-card);
  background:#FBFAF7;
}
.empty-state .empty-ico{
  width:54px;height:54px;
  margin:0 auto 16px;
  border-radius:16px;
  background:var(--ink);
  color:var(--lime);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
}
.empty-state h2{font-size:20px;font-weight:800;color:var(--ink);}
.empty-state p{margin-top:10px;color:var(--text-2);font-size:15px;}
.empty-state .btn{margin-top:22px;}

/* ============ Sidebar ============ */
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:22px 20px;
  margin-bottom:20px;
}
.side-title{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:13px;
  font-weight:700;
  letter-spacing:1.2px;
  color:var(--text-2);
  text-transform:uppercase;
  margin-bottom:14px;
}
.side-title i{color:var(--signal);}
.side-list li+li{border-top:1px solid var(--line);}
.side-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:13px 0;
  font-size:14.5px;
  color:#33383A;
  transition:color .2s ease,transform .2s ease;
}
.side-list a:hover{color:var(--signal-dark);transform:translateX(3px);}
.side-list a i{font-size:12px;color:#B9B4A8;transition:color .2s ease;}
.side-list a:hover i{color:var(--signal);}
.side-note{
  font-size:14px;
  color:var(--text-2);
  line-height:1.85;
}
.side-note strong{color:var(--ink);}
.mini-list li{
  display:flex;
  gap:12px;
  padding:12px 0;
  border-top:1px solid var(--line);
}
.mini-list li:first-child{border-top:none;padding-top:0;}
.mini-list img{
  width:64px;height:52px;
  object-fit:cover;
  border-radius:10px;
  flex-shrink:0;
}
.mini-list .mini-t{
  font-size:14px;
  font-weight:600;
  line-height:1.5;
  color:#2C3133;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.mini-list a:hover .mini-t{color:var(--signal-dark);}
.mini-list .mini-d{
  font-family:var(--mono);
  font-size:12px;
  color:var(--text-2);
  margin-top:5px;
}

/* ============ Footer actions ============ */
.article-foot{
  margin-top:30px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.foot-label{
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  color:var(--text-2);
  margin-bottom:12px;
  text-transform:uppercase;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.copy-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-top:22px;
}
.copy-hint{
  font-size:13px;
  color:var(--text-2);
}
.copy-hint.is-ok{color:#12805C;}
.copy-hint.is-err{color:var(--error);}

/* ============ Section head ============ */
.section{padding:64px 0;}
@media(min-width:768px){.section{padding:88px 0;}}
.section-head{margin-bottom:26px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:1.6px;
  color:var(--signal-dark);
  text-transform:uppercase;
  margin-bottom:10px;
}
.eyebrow::before{
  content:"";
  width:18px;height:2px;
  background:var(--signal);
  border-radius:2px;
}
.section-title{
  font-size:clamp(22px,3.2vw,32px);
  font-weight:800;
  line-height:1.3;
  color:var(--ink);
  letter-spacing:-.3px;
}
.section-sub{
  margin-top:12px;
  font-size:15.5px;
  color:var(--text-2);
  max-width:720px;
}

/* ============ Related cards ============ */
.related-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media(min-width:640px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.related-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.rcard{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D5CFC2;}
.rcard .cover{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:#EDEAE2;
}
.rcard .cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.rcard:hover .cover img{transform:scale(1.04);}
.rcard .cover .badge{
  position:absolute;
  top:12px;left:12px;
  box-shadow:0 4px 12px -6px rgba(16,30,28,.6);
}
.rcard .rc-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1;}
.rcard h3{
  font-size:17px;
  font-weight:700;
  line-height:1.5;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s ease;
}
.rcard:hover h3{color:var(--signal-dark);}
.rcard p{
  margin-top:10px;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rcard .rc-foot{
  margin-top:auto;
  padding-top:16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--text-2);
}
.rcard .rc-foot i{color:var(--signal);transition:transform .2s ease;}
.rcard:hover .rc-foot i{transform:translateX(3px);}

/* ============ FAQ ============ */
.faq-wrap{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  padding:20px 20px;
  background:none;
  border:none;
  text-align:left;
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  cursor:pointer;
  transition:background .2s ease,color .2s ease;
}
.faq-q:hover{background:#FAF8F3;color:var(--signal-dark);}
.faq-q .faq-ico{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:8px;
  background:#F1EFE8;
  color:var(--signal-dark);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;
  transition:transform .25s ease,background .2s ease;
}
.faq-item.is-open .faq-q{color:var(--signal-dark);}
.faq-item.is-open .faq-q .faq-ico{transform:rotate(180deg);background:var(--lime);color:#20301A;}
.faq-a{
  display:none;
  padding:0 20px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  border-left:3px solid var(--signal);
  margin-left:20px;
  padding-left:16px;
}
.faq-item.is-open .faq-a{display:block;}
@media(min-width:768px){
  .faq-q{padding:22px 26px;font-size:16.5px;}
  .faq-a{padding:0 26px 24px 16px;margin-left:26px;}
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  color:#fff;
  border-radius:22px;
  padding:36px 24px;
  box-shadow:var(--shadow-3);
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(115deg, rgba(16,30,28,.96), rgba(16,30,28,.74)), url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
}
.cta-band .cta-inner{position:relative;z-index:1;}
.cta-band h2{
  font-size:clamp(22px,3.2vw,32px);
  font-weight:900;
  line-height:1.28;
  letter-spacing:-.3px;
}
.cta-band p{
  margin-top:14px;
  font-size:15.5px;
  color:rgba(255,255,255,.78);
  max-width:640px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.cta-meta{
  margin-top:22px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  font-family:var(--mono);
  font-size:12.5px;
  color:rgba(255,255,255,.66);
}
.cta-meta .chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 12px;
  border-radius:var(--radius-badge);
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
}
.cta-meta .chip i{color:var(--lime);}
@media(min-width:768px){.cta-band{padding:56px 52px;}}

/* ============ Bottom tab ============ */
.tabbar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -8px 24px -20px rgba(16,30,28,.6);
}
.tabbar-inner{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  max-width:640px;
  margin:0 auto;
}
.tab-item{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  padding:9px 4px 10px;
  font-size:11.5px;
  color:var(--text-2);
  transition:color .2s ease;
}
.tab-item i{font-size:17px;}
.tab-item.is-active{color:var(--signal-dark);font-weight:700;}
.tab-item.is-active::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  transform:translateX(-50%);
  width:28px;height:2px;
  border-radius:0 0 3px 3px;
  background:var(--signal);
}
.tab-item.is-active i{
  color:var(--signal-dark);
}
@media(min-width:1024px){
  .tabbar{display:none;}
  body{padding-bottom:0;}
}

/* ============ Footer ============ */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  margin-top:20px;
}
.site-footer .footer-logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  color:#fff;
  margin-bottom:14px;
}
.site-footer .footer-logo .logo-mark{background:rgba(255,255,255,.1);color:var(--lime);}
.footer-desc{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.62);
  max-width:320px;
}
.footer-title{
  font-size:13px;
  font-weight:700;
  letter-spacing:1.4px;
  color:#fff;
  margin-bottom:16px;
  text-transform:uppercase;
}
.site-footer ul li{margin-bottom:10px;}
.footer-link{
  font-size:14px;
  color:rgba(255,255,255,.68);
  display:inline-block;
  transition:color .2s ease,transform .2s ease;
}
.footer-link:hover{color:var(--signal);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.13);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
@media(max-width:767px){
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --brand:#FF6A2B;
  --brand-deep:#E1511C;
  --ink:#101E1C;
  --lime:#C6F24E;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --line:#E3DFD6;
  --text:#1A1A1A;
  --muted:#5A5F5C;
  --danger:#D92D20;
  --radius-card:16px;
  --radius-img:12px;
  --radius-badge:6px;
  --shadow-base:0 1px 2px rgba(16,30,28,.06);
  --shadow-card:0 8px 24px -12px rgba(16,30,28,.18);
  --shadow-hover:0 16px 32px -16px rgba(16,30,28,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  background-color:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  padding-bottom:calc(72px + env(safe-area-inset-bottom));
}
@media (min-width:768px){
  body{padding-bottom:0;}
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{line-height:1.25;margin:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){
  .container{padding-left:32px;padding-right:32px;}
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(246,244,239,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease, box-shadow .25s ease, background-color .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px -18px rgba(16,30,28,.6);
  background:rgba(246,244,239,.98);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:68px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:11px;
  background:var(--ink);
  color:var(--lime);
  font-family:ui-monospace,"JetBrains Mono",monospace;
  font-weight:700;
  font-size:15px;
  letter-spacing:.5px;
}
.logo-text{
  display:flex;
  flex-direction:column;
  font-weight:800;
  font-size:17px;
  letter-spacing:.2px;
  line-height:1.15;
}
.logo-text small{
  font-size:11px;
  font-weight:500;
  color:var(--muted);
  letter-spacing:.3px;
}
.nav-desktop{display:none;align-items:center;gap:26px;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--muted);
  padding:6px 0;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-4px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:700;}
.header-cta{display:none;}
@media (min-width:1024px){
  .nav-desktop{display:flex;}
  .header-cta{display:inline-flex;}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  cursor:pointer;
  font-weight:700;
  font-size:15px;
  border-radius:12px;
  padding:12px 22px;
  transition:background-color .2s ease, color .2s ease, transform .15s ease, box-shadow .2s ease, border-color .2s ease;
}
.btn:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  box-shadow:0 0 0 4px rgba(255,106,43,.28);
}
.btn-primary{
  background:var(--brand-deep);
  color:#fff;
  border-radius:999px;
  box-shadow:0 10px 24px -14px rgba(225,81,28,.9);
}
.btn-primary:hover{background:#c9460f;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-ghost{
  background:#fff;
  color:var(--ink);
  border:1px solid var(--line);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-1px);}
.btn-outline-light{
  background:transparent;
  color:#fff;
  border:1px solid rgba(255,255,255,.35);
}
.btn-outline-light:hover{border-color:var(--lime);color:var(--lime);}
.btn-lime{
  background:var(--lime);
  color:var(--ink);
  border-radius:999px;
}
.btn-lime:hover{background:#d6ff72;transform:translateY(-1px);}

/* ---------- badges & tags ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.4px;
  padding:5px 11px;
  border-radius:var(--radius-badge);
  background:var(--lime);
  color:var(--ink);
}
.badge-dark{background:rgba(16,30,28,.08);color:var(--ink);}
.tag{
  display:inline-flex;
  align-items:center;
  font-size:13px;
  color:var(--muted);
  border:1px solid var(--line);
  background:#fff;
  border-radius:999px;
  padding:6px 14px;
  transition:all .2s ease;
}
.tag:hover{border-color:var(--brand);color:var(--brand-deep);}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  color:#fff;
  padding:44px 0 56px;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.26;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:32px 32px;
  opacity:.5;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.68);
  margin-bottom:22px;
}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb span.sep{opacity:.5;}
.page-hero h1{
  font-size:clamp(30px,5vw,54px);
  font-weight:900;
  letter-spacing:-.5px;
  line-height:1.12;
  max-width:16em;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--lime);
}
.hero-lead{
  margin-top:20px;
  max-width:64ch;
  font-size:16px;
  color:rgba(255,255,255,.82);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:26px;
  margin-top:34px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
}
.hero-meta div{min-width:120px;}
.hero-meta b{
  display:block;
  font-family:ui-monospace,"JetBrains Mono",monospace;
  font-size:22px;
  font-weight:700;
  color:#fff;
}
.hero-meta span{font-size:13px;color:rgba(255,255,255,.66);}

/* ---------- section ---------- */
.section{padding:56px 0;}
@media (min-width:1024px){
  .section{padding:96px 0;}
}
.section-head{max-width:64ch;margin-bottom:28px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:var(--brand-deep);
  letter-spacing:.6px;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:20px;height:2px;
  background:var(--brand);
  border-radius:2px;
}
.section-title{
  font-size:clamp(24px,3.4vw,36px);
  font-weight:800;
  letter-spacing:-.3px;
}
.section-desc{margin-top:14px;color:var(--muted);font-size:15.5px;}

/* ---------- banner ---------- */
.banner-card{
  position:relative;
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  border:1px solid var(--line);
  background:#fff;
}
.banner-card img{
  width:100%;
  height:260px;
  object-fit:cover;
}
@media (min-width:768px){
  .banner-card img{height:360px;}
}
.banner-caption{
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  align-items:center;
  justify-content:space-between;
  padding:18px 22px;
  background:#fff;
}
.banner-caption p{font-size:14px;color:var(--muted);}
.banner-caption strong{color:var(--text);}

/* ---------- doc layout ---------- */
.doc-layout{display:block;}
@media (min-width:1024px){
  .doc-layout{
    display:grid;
    grid-template-columns:258px minmax(0,1fr);
    gap:44px;
    align-items:start;
  }
}
.doc-toc{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--shadow-base);
  margin-bottom:32px;
}
@media (min-width:1024px){
  .doc-toc{
    position:sticky;
    top:92px;
    margin-bottom:0;
  }
}
.doc-toc h2{
  font-size:13px;
  letter-spacing:1px;
  color:var(--muted);
  font-weight:700;
  margin-bottom:14px;
}
.doc-toc ol{
  counter-reset:toc;
  display:flex;
  flex-direction:column;
  gap:4px;
}
.doc-toc a{
  display:flex;
  gap:10px;
  font-size:14.5px;
  color:var(--muted);
  padding:8px 10px;
  border-radius:10px;
  transition:all .2s ease;
}
.doc-toc a::before{
  counter-increment:toc;
  content:counter(toc,decimal-leading-zero);
  font-family:ui-monospace,"JetBrains Mono",monospace;
  font-size:12px;
  color:var(--brand);
  padding-top:2px;
}
.doc-toc a:hover{background:var(--bg);color:var(--ink);}

.doc-body{min-width:0;}
.doc-section{
  scroll-margin-top:96px;
  padding-bottom:38px;
  margin-bottom:38px;
  border-bottom:1px solid var(--line);
}
.doc-section:last-of-type{border-bottom:none;margin-bottom:0;}
.doc-section > h2{
  position:relative;
  padding-left:14px;
  font-size:clamp(20px,2.4vw,26px);
  font-weight:800;
  margin-bottom:18px;
}
.doc-section > h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:4px;
  background:var(--brand);
}
.doc-section p{color:#33383a;margin-bottom:14px;}
.doc-section p.sub{color:var(--muted);font-size:15px;}

.check-list{display:flex;flex-direction:column;gap:12px;margin:18px 0;}
.check-list li{
  display:flex;
  gap:12px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  padding:14px 16px;
  font-size:15px;
  box-shadow:var(--shadow-base);
}
.check-list i{
  color:var(--brand);
  margin-top:5px;
  font-size:13px;
}
.check-list b{font-weight:700;}

.step-list{counter-reset:step;display:flex;flex-direction:column;gap:0;margin:22px 0;}
.step-list li{
  position:relative;
  padding:0 0 26px 48px;
  border-left:2px solid var(--line);
  margin-left:15px;
}
.step-list li:last-child{border-left-color:transparent;padding-bottom:0;}
.step-list li::before{
  counter-increment:step;
  content:counter(step);
  position:absolute;
  left:-16px;top:-2px;
  width:32px;height:32px;
  border-radius:50%;
  background:var(--ink);
  color:var(--lime);
  font-family:ui-monospace,"JetBrains Mono",monospace;
  font-size:14px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
}
.step-list h3{font-size:16.5px;font-weight:700;margin-bottom:6px;}
.step-list p{font-size:15px;color:var(--muted);margin:0;}

.spec-table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  font-size:15px;
  box-shadow:var(--shadow-base);
}
.spec-table th,.spec-table td{
  text-align:left;
  padding:14px 18px;
  border-bottom:1px solid var(--line);
}
.spec-table tr:last-child td{border-bottom:none;}
.spec-table tbody tr:nth-child(odd){background:#FCFBF8;}
.spec-table th{
  font-size:13px;
  letter-spacing:.6px;
  color:var(--muted);
  background:var(--bg);
  font-weight:700;
}
.spec-table td:first-child{color:var(--muted);font-size:14px;width:34%;}
.spec-table td:last-child{
  font-family:ui-monospace,"JetBrains Mono",monospace;
  font-size:14px;
  color:var(--ink);
}

.note-box{
  background:#fff;
  border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;
  padding:16px 18px;
  font-size:15px;
  color:#33383a;
  box-shadow:var(--shadow-base);
  margin:20px 0;
}
.note-box b{color:var(--brand-deep);}

/* ---------- method cards ---------- */
.card-grid{
  display:grid;
  gap:20px;
  grid-template-columns:1fr;
}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.card-grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr));}}
.method-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-base);
  display:flex;
  flex-direction:column;
  transition:transform .2s ease, box-shadow .2s ease;
}
.method-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card);}
.method-card .thumb{position:relative;}
.method-card .thumb img{width:100%;height:168px;object-fit:cover;transition:transform .35s ease;}
.method-card:hover .thumb img{transform:scale(1.03);}
.method-card .thumb .badge{position:absolute;left:12px;top:12px;}
.method-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.method-card h3{font-size:18px;font-weight:700;}
.method-card p{font-size:14.5px;color:var(--muted);}
.method-card .foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-family:ui-monospace,"JetBrains Mono",monospace;
  font-size:13px;
  color:var(--muted);
}

/* ---------- stats strip ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}
@media (min-width:768px){.stat-strip{grid-template-columns:repeat(4,minmax(0,1fr));}}
.stat-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:18px 20px;
  box-shadow:var(--shadow-base);
}
.stat-item b{
  display:block;
  font-family:ui-monospace,"JetBrains Mono",monospace;
  font-size:24px;
  color:var(--ink);
  line-height:1.2;
}
.stat-item span{font-size:13px;color:var(--muted);}

/* ---------- download / cta ---------- */
.cta-dark{
  background:var(--ink);
  color:#fff;
  border-radius:var(--radius-card);
  padding:36px 26px;
  position:relative;
  overflow:hidden;
}
@media (min-width:1024px){
  .cta-dark{padding:54px 48px;}
}
.cta-dark::before{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:260px;height:260px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(198,242,78,.22), transparent 68%);
}
.cta-dark > *{position:relative;z-index:1;}
.cta-dark h2{
  font-size:clamp(22px,3vw,32px);
  font-weight:800;
  margin-bottom:12px;
}
.cta-dark p{color:rgba(255,255,255,.76);max-width:60ch;font-size:15.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.cta-meta{
  margin-top:24px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  flex-wrap:wrap;
  gap:10px 26px;
  font-family:ui-monospace,"JetBrains Mono",monospace;
  font-size:13px;
  color:rgba(255,255,255,.7);
}
.cta-meta .ver{
  background:rgba(198,242,78,.16);
  color:var(--lime);
  border-radius:6px;
  padding:2px 8px;
}

/* ---------- faq ---------- */
.faq-list{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-base);
}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;
  background:none;
  border:none;
  text-align:left;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px;
  font-size:16px;
  font-weight:700;
  color:var(--text);
  position:relative;
  transition:color .2s ease, background-color .2s ease;
}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  background:transparent;
  border-radius:0 3px 3px 0;
  transition:background-color .2s ease;
}
.faq-q:hover{color:var(--brand-deep);background:#FCFBF8;}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:-2px;}
.faq-item.is-open .faq-q{color:var(--brand-deep);}
.faq-item.is-open .faq-q::before{background:var(--brand);}
.faq-q i{transition:transform .25s ease;color:var(--muted);font-size:14px;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 20px 20px;font-size:15px;color:var(--muted);}

/* ---------- link cards ---------- */
.link-card{
  display:flex;
  flex-direction:column;
  gap:10px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--shadow-base);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.link-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card);border-color:#d6d1c4;}
.link-card h3{font-size:17px;font-weight:700;}
.link-card p{font-size:14.5px;color:var(--muted);}
.link-card .go{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:700;
  color:var(--brand-deep);
}
.link-card:hover .go i{transform:translateX(3px);}
.link-card .go i{transition:transform .2s ease;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.78);
  margin-top:20px;
}
.footer-logo{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:800;
  font-size:17px;
}
.footer-logo .logo-mark{background:rgba(255,255,255,.08);}
.footer-desc{
  margin-top:14px;
  font-size:14px;
  color:rgba(255,255,255,.62);
  max-width:34ch;
}
.footer-title{
  font-size:13px;
  letter-spacing:1px;
  color:#fff;
  font-weight:700;
  margin-bottom:14px;
}
.site-footer ul{display:flex;flex-direction:column;gap:10px;}
.footer-link{
  font-size:14px;
  color:rgba(255,255,255,.68);
  transition:color .2s ease, transform .2s ease;
  display:inline-block;
}
.footer-link:hover{color:var(--brand);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 calc(18px + env(safe-area-inset-bottom));
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.52);
}

/* ---------- mobile tab bar ---------- */
.tabbar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
@media (min-width:768px){.tabbar{display:none;}}
.tab-item{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  padding:9px 4px 10px;
  font-size:11.5px;
  color:var(--muted);
  transition:color .2s ease;
}
.tab-item i{font-size:17px;}
.tab-item::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  transform:translateX(-50%) scaleX(0);
  width:34px;height:2px;
  border-radius:0 0 2px 2px;
  background:var(--brand);
  transition:transform .22s ease;
}
.tab-item:active{color:var(--brand-deep);}
.tab-item[aria-current="page"]{color:var(--brand-deep);font-weight:700;}
.tab-item[aria-current="page"]::before{transform:translateX(-50%) scaleX(1);}
.tab-item:focus-visible{outline:2px solid var(--brand);outline-offset:-3px;border-radius:10px;}

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

/* roulang page: category2 */
:root{
    --brand:#FF6A2B;
    --brand-dark:#E1511C;
    --brand-soft:#FFF1E8;
    --ink:#101E1C;
    --lime:#C6F24E;
    --bg:#F6F4EF;
    --card:#FFFFFF;
    --line:#E3DFD6;
    --text:#1A1A1A;
    --muted:#5A5F5C;
    --err:#D92D20;
    --r-card:16px;
    --r-img:12px;
    --r-badge:6px;
    --r-pill:999px;
    --r-btn:12px;
    --sh-1:0 1px 2px rgba(16,30,28,.06);
    --sh-2:0 8px 24px -12px rgba(16,30,28,.18);
    --sh-3:0 18px 42px -20px rgba(16,30,28,.30);
    --container:1200px;
    --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
    --font-mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,Consolas,monospace;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.8;
    color:var(--text);
    background:var(--bg);
    padding-bottom:76px;
  }
  img{max-width:100%;display:block;border-style:none;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;}
  ul{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4{margin:0;line-height:1.25;}
  p{margin:0;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;box-shadow:0 0 0 4px rgba(255,106,43,.20);}

  .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
  @media (min-width:768px){.container{padding:0 32px;}}
  @media (min-width:1024px){body{padding-bottom:0;}}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(246,244,239,.92);
    backdrop-filter:blur(12px);
    border-bottom:1px solid transparent;
    transition:background .25s,border-color .25s,box-shadow .25s;
  }
  .site-header.is-stuck{
    background:rgba(255,255,255,.96);
    border-bottom-color:var(--line);
    box-shadow:var(--sh-1);
  }
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:68px;}
  .logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .logo-mark{
    width:38px;height:38px;border-radius:11px;
    background:var(--ink);color:var(--lime);
    display:grid;place-items:center;
    font-family:var(--font-mono);font-weight:800;font-size:15px;letter-spacing:.5px;
  }
  .logo-text{display:flex;flex-direction:column;font-weight:800;font-size:17px;line-height:1.15;}
  .logo-text small{font-weight:500;font-size:11px;color:var(--muted);letter-spacing:.4px;}
  .nav-desktop{display:none;align-items:center;gap:4px;}
  @media (min-width:1024px){.nav-desktop{display:flex;}}
  .nav-link{
    position:relative;padding:9px 14px;font-size:15px;color:var(--muted);
    border-radius:10px;transition:color .2s,background .2s;
    white-space:nowrap;
  }
  .nav-link:hover{color:var(--brand);background:var(--brand-soft);}
  .nav-link.is-active{color:var(--brand);font-weight:700;}
  .nav-link.is-active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
    background:var(--brand);border-radius:2px;
  }
  .header-cta{display:none;}
  @media (min-width:1024px){.header-cta{display:inline-flex;}}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:var(--r-btn);
    font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;
    transition:transform .18s,box-shadow .18s,background .2s,color .2s,border-color .2s;
    text-align:center;line-height:1;
  }
  .btn-primary{background:var(--brand-dark);color:#fff;box-shadow:0 10px 24px -14px rgba(225,81,28,.95);}
  .btn-primary:hover{background:#c94715;transform:translateY(-2px);box-shadow:0 16px 32px -16px rgba(225,81,28,1);}
  .btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px -12px rgba(225,81,28,.9);}
  .btn-ghost{background:#fff;border-color:var(--line);color:var(--text);}
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-2);}
  .btn-light{background:#fff;color:var(--ink);}
  .btn-light:hover{background:var(--lime);transform:translateY(-2px);}
  .btn-outline-light{background:transparent;border-color:rgba(255,255,255,.35);color:#fff;}
  .btn-outline-light:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px);}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:var(--r-pill);}
  .btn-lg{height:54px;padding:0 30px;font-size:16px;}

  /* ---------- 通用板块 ---------- */
  .section{padding:56px 0;}
  @media (min-width:1024px){.section{padding:88px 0;}}
  .section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .section-head{margin-bottom:26px;max-width:780px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-family:var(--font-mono);font-size:12px;letter-spacing:1.4px;
    color:var(--brand-dark);background:var(--brand-soft);
    padding:6px 12px;border-radius:var(--r-pill);margin-bottom:16px;font-weight:700;
  }
  .section-title{font-size:clamp(24px,3.2vw,34px);font-weight:800;letter-spacing:-.4px;margin-bottom:12px;}
  .section-desc{color:var(--muted);font-size:15.5px;}

  /* ---------- Hero ---------- */
  .hero{position:relative;overflow:hidden;padding:44px 0 56px;}
  @media (min-width:1024px){.hero{padding:80px 0 96px;}}
  .hero::before{
    content:"";position:absolute;inset:0;
    background-image:linear-gradient(rgba(16,30,28,.05) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(16,30,28,.05) 1px,transparent 1px);
    background-size:32px 32px;
    -webkit-mask-image:linear-gradient(to bottom,#000,transparent 82%);
    mask-image:linear-gradient(to bottom,#000,transparent 82%);
    pointer-events:none;
  }
  .hero-inner{position:relative;z-index:1;}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;}
  .breadcrumb a{color:var(--muted);transition:color .2s;}
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb i{font-size:10px;opacity:.6;}
  .hero-grid{display:grid;gap:36px;align-items:center;}
  @media (min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:56px;}}
  .hero h1{font-size:clamp(30px,5vw,52px);font-weight:900;line-height:1.12;letter-spacing:-1px;margin-bottom:16px;}
  .hero h1 em{font-style:normal;color:var(--brand-dark);}
  .hero-sub{font-size:16.5px;color:var(--muted);max-width:620px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
  .hero-stats{display:flex;flex-wrap:wrap;gap:26px;margin-top:32px;padding-top:24px;border-top:1px dashed var(--line);}
  .stat-num{font-family:var(--font-mono);font-size:26px;font-weight:800;color:var(--ink);line-height:1.1;}
  .stat-label{font-size:13px;color:var(--muted);}
  .hero-media{position:relative;}
  .hero-media img{
    width:100%;aspect-ratio:4/3;object-fit:cover;
    border-radius:20px;border:1px solid var(--line);box-shadow:var(--sh-3);
  }
  .hero-chip{
    position:absolute;left:-6px;bottom:18px;background:#fff;border:1px solid var(--line);
    border-radius:14px;padding:12px 16px;box-shadow:var(--sh-2);
    display:flex;align-items:center;gap:10px;font-size:13px;font-weight:700;
  }
  .hero-chip i{color:var(--brand-dark);}
  @media (max-width:520px){.hero-chip{left:8px;bottom:8px;font-size:12px;padding:9px 12px;}}

  /* ---------- 卡片 ---------- */
  .card{
    display:flex;flex-direction:column;height:100%;
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    overflow:hidden;transition:transform .22s,box-shadow .22s,border-color .22s;
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d6d0c3;}
  .card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EDEAE2;}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
  .card:hover .card-media img{transform:scale(1.04);}
  .badge{
    position:absolute;top:12px;left:12px;
    background:var(--ink);color:var(--lime);
    font-size:11.5px;font-weight:700;letter-spacing:.6px;
    padding:4px 10px;border-radius:var(--r-badge);
  }
  .badge-soft{
    display:inline-block;background:var(--brand-soft);color:var(--brand-dark);
    font-size:12px;font-weight:700;padding:4px 10px;border-radius:var(--r-badge);
  }
  .card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .card-title{font-size:18px;font-weight:700;line-height:1.45;}
  .card-text{font-size:15px;color:var(--muted);}
  .card-link{
    margin-top:auto;display:inline-flex;align-items:center;gap:6px;
    font-size:14px;font-weight:700;color:var(--brand-dark);padding-top:6px;
  }
  .card-link i{transition:transform .2s;}
  .card:hover .card-link i{transform:translateX(4px);}

  /* ---------- 场景块 ---------- */
  .scene{
    display:grid;gap:22px;align-items:center;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    padding:20px;transition:box-shadow .22s,transform .22s;
  }
  .scene:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
  @media (min-width:768px){.scene{grid-template-columns:220px 1fr;gap:26px;padding:22px;}}
  .scene img{border-radius:var(--r-img);aspect-ratio:16/11;object-fit:cover;width:100%;}
  .scene-title{font-size:19px;font-weight:800;margin-bottom:8px;}
  .scene-text{font-size:15px;color:var(--muted);}
  .scene-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
  .point{font-size:13px;color:var(--ink);background:var(--bg);border:1px solid var(--line);padding:4px 10px;border-radius:var(--r-pill);}

  /* ---------- 速查表 ---------- */
  .table-wrap{border:1px solid var(--line);border-radius:var(--r-card);background:#fff;overflow:hidden;}
  .spec-table{width:100%;border-collapse:collapse;}
  .spec-table thead th{
    background:var(--ink);color:#fff;font-size:13px;letter-spacing:.8px;font-weight:700;
    text-align:left;padding:14px 18px;
  }
  .spec-table tbody td{
    padding:15px 18px;border-bottom:1px solid var(--line);
    font-size:15px;vertical-align:top;
  }
  .spec-table tbody tr:nth-child(even){background:#FBFAF7;}
  .spec-table tbody tr:last-child td{border-bottom:none;}
  .td-item{font-weight:700;}
  .td-value{font-family:var(--font-mono);font-size:14px;color:var(--brand-dark);font-weight:700;}
  @media (max-width:768px){
    .spec-table thead{display:none;}
    .spec-table,.spec-table tbody,.spec-table tr,.spec-table td{display:block;width:100%;}
    .spec-table tr{border-bottom:1px solid var(--line);padding:6px 16px;}
    .spec-table tr:last-child{border-bottom:none;}
    .spec-table tbody td{border-bottom:1px dashed var(--line);display:flex;justify-content:space-between;gap:16px;padding:11px 0;font-size:14.5px;}
    .spec-table tbody td:last-child{border-bottom:none;}
    .spec-table tbody td::before{
      content:attr(data-label);color:var(--muted);font-size:13px;flex-shrink:0;
    }
  }

  /* ---------- 时间线 ---------- */
  .timeline{margin-top:6px;}
  .step{position:relative;display:grid;grid-template-columns:44px 1fr;gap:18px;padding-bottom:30px;}
  .step::before{
    content:"";position:absolute;left:21px;top:48px;bottom:2px;width:2px;
    background:linear-gradient(var(--line),rgba(227,223,214,0));
  }
  .step:last-child{padding-bottom:0;}
  .step:last-child::before{display:none;}
  .step-num{
    width:44px;height:44px;border-radius:13px;background:var(--ink);color:var(--lime);
    display:grid;place-items:center;font-family:var(--font-mono);font-weight:800;font-size:15px;
    position:relative;z-index:1;
  }
  .step-title{font-size:17px;font-weight:800;margin-bottom:6px;}
  .step-text{font-size:15px;color:var(--muted);}

  /* ---------- FAQ ---------- */
  .faq-list{border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:18px 2px;font-size:16px;font-weight:700;transition:color .2s;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--brand-dark);}
  .faq-item summary i{color:var(--brand);transition:transform .25s;flex-shrink:0;}
  .faq-item[open] summary{color:var(--brand-dark);}
  .faq-item[open] summary i{transform:rotate(180deg);}
  .faq-answer{
    margin:0 0 20px;padding-left:16px;border-left:3px solid var(--brand);
    font-size:15px;color:var(--muted);
  }

  /* ---------- 深色 CTA ---------- */
  .cta-band{
    position:relative;overflow:hidden;border-radius:24px;background:var(--ink);
    padding:40px 24px;color:#fff;
  }
  @media (min-width:768px){.cta-band{padding:56px 48px;}}
  .cta-band::after{
    content:"";position:absolute;inset:0;
    background-image:url("/assets/images/backpic/back-2.webp");
    background-size:cover;background-position:center;opacity:.16;
  }
  .cta-inner{position:relative;z-index:1;}
  .cta-title{font-size:clamp(24px,3.4vw,34px);font-weight:800;letter-spacing:-.4px;margin-bottom:12px;}
  .cta-text{color:rgba(255,255,255,.72);font-size:15.5px;max-width:640px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
  .cta-meta{
    margin-top:26px;padding-top:18px;border-top:1px solid rgba(255,255,255,.16);
    display:flex;flex-wrap:wrap;gap:20px;
    font-family:var(--font-mono);font-size:12.5px;color:rgba(255,255,255,.6);
  }
  .cta-meta span strong{color:var(--lime);font-weight:700;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:16px;}
  .footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:14px;}
  .footer-logo .logo-mark{background:var(--lime);color:var(--ink);}
  .footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.58);max-width:340px;}
  .footer-title{font-size:13px;letter-spacing:1.2px;color:#fff;font-weight:700;margin-bottom:14px;}
  .footer-link{
    display:block;font-size:14px;color:rgba(255,255,255,.62);padding:5px 0;
    transition:color .2s,transform .2s;
  }
  .footer-link:hover{color:var(--brand);transform:translateX(2px);}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);
    padding:18px 0 calc(24px + env(safe-area-inset-bottom));
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.48);
  }
  @media (min-width:1024px){.footer-bottom{padding-bottom:24px;}}

  /* ---------- 移动端底部 Tab ---------- */
  .mobile-tabbar{
    position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;
    background:rgba(255,255,255,.98);
    border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -8px 26px -16px rgba(16,30,28,.35);
  }
  @media (min-width:1024px){.mobile-tabbar{display:none;}}
  .tab-item{
    position:relative;flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;
    padding:9px 2px 8px;font-size:11px;color:var(--muted);transition:color .2s;
  }
  .tab-item i{font-size:17px;transition:color .2s;}
  .tab-item.is-active{color:var(--brand);font-weight:700;}
  .tab-item.is-active::before{
    content:"";position:absolute;top:0;left:22%;right:22%;height:2px;
    background:var(--brand);border-radius:0 0 3px 3px;
  }

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

/* roulang page: category3 */
:root{
  --brand:#FF6A2B;
  --brand-dark:#E1511C;
  --ink:#101E1C;
  --ink-soft:#1B2C29;
  --accent:#C6F24E;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --line:#E3DFD6;
  --text:#1A1A1A;
  --muted:#5A5F5C;
  --danger:#D92D20;
  --radius-card:16px;
  --radius-img:12px;
  --radius-badge:6px;
  --shadow-1:0 1px 2px rgba(16,30,28,.06);
  --shadow-2:0 8px 24px -12px rgba(16,30,28,.18);
  --shadow-3:0 18px 40px -20px rgba(16,30,28,.32);
  --font-sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  padding-bottom:84px;
}
@media (min-width:1024px){body{padding-bottom:0}}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
body .container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){
  body .container{padding-left:32px;padding-right:32px}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(246,244,239,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px -16px rgba(16,30,28,.45)}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:72px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--brand);
  color:#fff;
  font-family:var(--font-mono);
  font-weight:700;
  font-size:15px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-1);
  letter-spacing:.5px;
}
.logo-text{
  display:flex;flex-direction:column;
  font-size:16px;font-weight:800;line-height:1.2;letter-spacing:.2px;
}
.logo-text small{
  font-size:11px;font-weight:400;color:var(--muted);letter-spacing:0;margin-top:2px;
}
.nav-desktop{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 13px;
  font-size:15px;
  color:var(--muted);
  border-radius:10px;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:rgba(255,106,43,.08)}
.nav-link.is-active{color:var(--brand);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-cta{flex-shrink:0}
@media (max-width:1023px){
  .nav-desktop{display:none}
}
@media (max-width:600px){
  .header-cta{display:none}
  .logo-text small{display:none}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;
  border-radius:999px;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  text-align:center;
  white-space:nowrap;
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-lg{padding:15px 28px;font-size:16px;min-height:52px}
.btn-primary{
  background:var(--brand-dark);
  color:#fff;
  box-shadow:0 10px 22px -14px rgba(225,81,28,.9);
}
.btn-primary:hover{background:#C9451A;transform:translateY(-2px);box-shadow:0 14px 26px -14px rgba(225,81,28,.95)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  border:1px solid rgba(255,255,255,.35);
  color:#fff;
  background:rgba(255,255,255,.06);
}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-outline{
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  box-shadow:var(--shadow-1);
}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}

/* ---------- 徽章与标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;
  font-size:12px;font-weight:700;letter-spacing:.4px;
  border-radius:var(--radius-badge);
  background:rgba(255,106,43,.1);
  color:var(--brand-dark);
}
.badge-accent{background:var(--accent);color:#233014}
.badge-dark{background:rgba(255,255,255,.14);color:#fff}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 11px;font-size:13px;color:var(--muted);
  background:#fff;border:1px solid var(--line);border-radius:999px;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:
    linear-gradient(180deg,rgba(16,30,28,.94),rgba(16,30,28,.86) 55%,rgba(16,30,28,.94)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:32px 32px;
  pointer-events:none;
}
.hero-inner{position:relative;padding-top:28px;padding-bottom:56px}
@media (min-width:1024px){.hero-inner{padding-top:36px;padding-bottom:88px}}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:rgba(255,255,255,.66);
  margin-bottom:26px;
}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .current{color:#fff;font-weight:600}
.hero-grid{display:grid;gap:36px;align-items:center}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:1.15fr .85fr;gap:56px}
}
.hero-title{
  font-size:clamp(30px,5vw,50px);
  font-weight:900;
  line-height:1.14;
  margin:18px 0 0;
  letter-spacing:-.5px;
}
.hero-sub{
  margin-top:18px;
  font-size:16px;
  line-height:1.85;
  color:rgba(255,255,255,.78);
  max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;margin-top:34px;
  border-top:1px solid rgba(255,255,255,.14);
  padding-top:22px;
}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats strong{
  font-family:var(--font-mono);
  font-size:clamp(20px,2.6vw,26px);
  font-weight:700;color:var(--accent);line-height:1.2;
}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.62)}
.hero-media{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:var(--shadow-3);
}
.hero-media img{width:100%;height:auto;aspect-ratio:16/11;object-fit:cover}
.hero-media figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px 18px;
  font-size:13px;color:#fff;
  background:linear-gradient(180deg,transparent,rgba(16,30,28,.85));
}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:28px}
@media (min-width:1024px){.section-head{margin-bottom:44px}}
.section-title{
  font-size:clamp(24px,3.4vw,36px);
  font-weight:800;
  line-height:1.25;
  margin-top:14px;
  letter-spacing:-.3px;
}
.section-desc{margin-top:14px;font-size:16px;color:var(--muted)}
.lead{font-size:17px;color:var(--muted);max-width:820px}

/* ---------- 情况速查卡 ---------- */
.card-grid{display:grid;gap:20px}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.card-grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  height:100%;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6D0C4}
.card-icon{
  width:42px;height:42px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,106,43,.1);color:var(--brand-dark);
  font-size:17px;margin-bottom:16px;
}
.card-title{font-size:18px;font-weight:700;line-height:1.4}
.card-text{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.8}
.card-list{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.card-list li{
  position:relative;padding-left:18px;font-size:14px;color:var(--muted);
}
.card-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:6px;height:6px;border-radius:50%;background:var(--brand);
}

/* ---------- 对比表 ---------- */
.compare-table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.compare-scroll{overflow-x:auto}
.compare-table{width:100%;border-collapse:collapse;min-width:720px}
.compare-table th{
  text-align:left;font-size:13px;letter-spacing:.6px;color:var(--muted);
  background:#F0EDE6;padding:14px 20px;font-weight:700;white-space:nowrap;
}
.compare-table td{
  padding:16px 20px;font-size:15px;border-top:1px solid var(--line);vertical-align:top;
}
.compare-table tbody tr:nth-child(even){background:#FBFAF7}
.compare-table tbody tr:hover{background:rgba(255,106,43,.05)}
.compare-table .cell-strong{font-weight:700}
.compare-table .cell-mono{font-family:var(--font-mono);font-size:14px;color:var(--brand-dark);white-space:nowrap}
.compare-cards{display:none}
@media (max-width:767px){
  .compare-table-wrap{display:none}
  .compare-cards{display:grid;gap:14px}
  .compare-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    padding:18px;box-shadow:var(--shadow-1);
  }
  .compare-card h3{font-size:16px;font-weight:700;margin-bottom:10px}
  .compare-card dl{display:flex;flex-direction:column;gap:8px}
  .compare-card dt{font-size:12px;color:var(--muted);letter-spacing:.4px}
  .compare-card dd{margin:2px 0 0;font-size:14px}
  .compare-card .cost{font-family:var(--font-mono);color:var(--brand-dark);font-weight:700}
}

/* ---------- 时间线 ---------- */
.timeline{position:relative;display:flex;flex-direction:column;gap:22px}
.timeline::before{
  content:"";position:absolute;left:23px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--brand),rgba(255,106,43,.15));
}
.timeline-item{position:relative;display:flex;gap:18px;align-items:flex-start}
.timeline-num{
  position:relative;z-index:1;flex-shrink:0;
  width:48px;height:48px;border-radius:14px;
  background:var(--ink);color:var(--accent);
  font-family:var(--font-mono);font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-1);
}
.timeline-body{
  flex:1;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.timeline-body:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.timeline-body h3{font-size:18px;font-weight:700}
.timeline-body p{margin-top:8px;font-size:15px;color:var(--muted)}
.timeline-body .hint{
  margin-top:12px;display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:13px;color:var(--brand-dark);
  background:rgba(255,106,43,.08);padding:6px 12px;border-radius:999px;
}

/* ---------- 安全习惯 ---------- */
.safety-grid{display:grid;gap:20px}
@media (min-width:768px){.safety-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.safety-card{
  background:var(--ink);color:#fff;border-radius:var(--radius-card);
  padding:26px;display:flex;flex-direction:column;gap:14px;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--shadow-2);
}
.safety-card .num{
  font-family:var(--font-mono);font-size:13px;color:var(--accent);letter-spacing:1px;
}
.safety-card h3{font-size:19px;font-weight:700}
.safety-card p{font-size:15px;color:rgba(255,255,255,.72)}
.safety-card ul{display:flex;flex-direction:column;gap:9px;margin-top:2px}
.safety-card li{position:relative;padding-left:18px;font-size:14px;color:rgba(255,255,255,.72)}
.safety-card li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--accent);
}

/* ---------- FAQ ---------- */
.faq-list{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:16px;font-weight:700;line-height:1.6;
  border-left:3px solid transparent;
  transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#FBFAF7;color:var(--brand-dark)}
.faq-item summary .faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,106,43,.1);color:var(--brand-dark);font-size:12px;
  transition:transform .25s ease;
}
.faq-item[open] summary{border-left-color:var(--brand);background:#FBFAF7}
.faq-item[open] summary .faq-icon{transform:rotate(180deg)}
.faq-answer{padding:0 22px 22px;font-size:15px;color:var(--muted);line-height:1.85}

/* ---------- 评价 ---------- */
.quote-grid{display:grid;gap:20px}
@media (min-width:768px){.quote-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;gap:18px;height:100%;
}
.quote-text{font-size:16px;line-height:1.85;color:var(--text)}
.quote-meta{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{
  width:42px;height:42px;border-radius:50%;flex-shrink:0;
  border:2px solid var(--brand);background:rgba(255,106,43,.08);
  color:var(--brand-dark);font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.quote-who{display:flex;flex-direction:column;line-height:1.4}
.quote-who strong{font-size:14px;font-weight:700}
.quote-who span{font-size:13px;color:var(--muted)}
.stars{margin-left:auto;color:var(--brand);font-size:13px;letter-spacing:2px}

/* ---------- CTA ---------- */
.cta-band{
  background:
    linear-gradient(180deg,rgba(16,30,28,.96),rgba(16,30,28,.9)),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  color:#fff;
}
.cta-inner{
  display:grid;gap:28px;padding-top:56px;padding-bottom:56px;
}
@media (min-width:1024px){
  .cta-inner{grid-template-columns:1.25fr .75fr;align-items:center;gap:48px;padding-top:80px;padding-bottom:80px}
}
.cta-title{font-size:clamp(24px,3.2vw,34px);font-weight:800;line-height:1.25}
.cta-desc{margin-top:14px;font-size:15px;color:rgba(255,255,255,.75);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cta-meta{
  margin-top:20px;font-family:var(--font-mono);font-size:13px;color:rgba(255,255,255,.6);
  display:flex;flex-wrap:wrap;gap:8px 18px;
}
.cta-qr{
  border:1px dashed rgba(255,255,255,.32);
  border-radius:var(--radius-card);
  padding:24px;text-align:center;
  background:rgba(255,255,255,.04);
}
.cta-qr .qr-mark{
  width:96px;height:96px;margin:0 auto 16px;border-radius:14px;
  background:rgba(198,242,78,.14);border:1px solid rgba(198,242,78,.4);
  display:flex;align-items:center;justify-content:center;
  color:var(--accent);font-size:30px;
}
.cta-qr p{font-size:14px;color:rgba(255,255,255,.72)}
.cta-qr strong{display:block;font-size:15px;color:#fff;margin-bottom:6px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7)}
.footer-logo{
  display:flex;align-items:center;gap:10px;
  font-size:16px;font-weight:800;color:#fff;
}
.footer-logo .logo-mark{background:var(--brand)}
.footer-desc{margin-top:16px;font-size:14px;color:rgba(255,255,255,.6);max-width:320px}
.footer-title{
  font-size:13px;font-weight:700;color:#fff;letter-spacing:1px;
  text-transform:uppercase;margin-bottom:18px;
}
.site-footer ul{display:flex;flex-direction:column;gap:11px}
.footer-link{
  display:inline-block;font-size:14px;color:rgba(255,255,255,.66);
  transition:color .2s ease,transform .2s ease;
}
.footer-link:hover{color:var(--brand);transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  display:flex;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 20px -16px rgba(16,30,28,.5);
}
.tab-item{
  flex:1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  padding:9px 4px 8px;
  font-size:11px;color:var(--muted);
  position:relative;
}
.tab-item i{font-size:17px}
.tab-item.is-active{color:var(--brand);font-weight:700}
.tab-item.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;background:var(--brand);border-radius:2px;
}
.tab-item:focus-visible{outline-offset:-2px}
@media (min-width:1024px){
  .mobile-tabbar{display:none}
  body{padding-bottom:0}
}

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