/* roulang page: index */
:root{
    --primary:#6A4BFF;
    --primary-dark:#5638E8;
    --accent:#0FE3C2;
    --coral:#FF5C39;
    --panel:#14101F;
    --panel-2:#1F1930;
    --bg:#F6F5FB;
    --card:#FFFFFF;
    --soft:#EFEDF8;
    --line:#E7E5F2;
    --ink:#16151F;
    --ink-2:#4A4860;
    --ink-3:#8A87A0;
    --radius-lg:18px;
    --radius-md:14px;
    --radius-sm:12px;
    --shadow-sm:0 1px 2px rgba(20,16,31,.06);
    --shadow-hover:0 14px 34px -14px rgba(106,75,255,.28);
    --t:220ms cubic-bezier(.4,0,.2,1);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  h1,h2,h3,h4,p,ul,ol{margin:0;}
  ul,ol{padding:0;list-style:none;}
  .container-x{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px;}
  @media (min-width:1024px){.container-x{padding-left:32px;padding-right:32px;}}
  .mono{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,monospace;}
  .h1{
    font-size:clamp(30px,4.4vw,52px);
    font-weight:800;
    line-height:1.15;
    letter-spacing:-.01em;
  }
  .h2{
    font-size:clamp(24px,2.8vw,34px);
    font-weight:700;
    line-height:1.25;
    letter-spacing:-.01em;
  }
  .h3{font-size:20px;font-weight:700;line-height:1.4;}
  .lead{font-size:17px;line-height:1.85;color:var(--ink-2);}
  .muted{color:var(--ink-3);font-size:14px;}
  /* ---------- 导航 ---------- */
  .nav-shell{
    display:flex;
    align-items:center;
    gap:18px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    box-shadow:0 8px 26px -18px rgba(20,16,31,.45);
    padding:10px 14px;
    transition:box-shadow var(--t),border-color var(--t);
  }
  .brand{
    display:flex;
    align-items:center;
    gap:10px;
    font-weight:800;
    font-size:17px;
    letter-spacing:-.01em;
    white-space:nowrap;
  }
  .brand-mark{
    width:32px;height:32px;border-radius:10px;
    background:linear-gradient(135deg,var(--primary),#8E6BFF);
    display:flex;align-items:center;justify-content:center;
    color:#fff;font-size:13px;font-weight:800;
    box-shadow:0 6px 14px -6px rgba(106,75,255,.7);
  }
  .nav-items{display:none;}
  @media (min-width:1024px){
    .nav-items{display:flex;align-items:center;gap:6px;margin-left:auto;}
  }
  .nav-link{
    display:inline-flex;align-items:center;gap:8px;
    min-height:44px;padding:8px 12px;border-radius:12px;
    font-size:13.5px;font-weight:500;color:var(--ink-2);
    border:1px solid transparent;
    transition:background var(--t),color var(--t),border-color var(--t);
  }
  .nav-link:hover{background:var(--soft);color:var(--primary);}
  .nav-link.is-active{
    background:#F2F0FF;
    border-color:rgba(106,75,255,.35);
    color:var(--primary);
    font-weight:600;
  }
  .nav-link svg{flex:none;}
  .nav-cta{display:none;}
  @media (min-width:1024px){.nav-cta{display:inline-flex;}}
  .burger{
    margin-left:auto;width:44px;height:44px;border-radius:12px;
    border:1px solid var(--line);background:#fff;
    display:inline-flex;align-items:center;justify-content:center;
    color:var(--ink);cursor:pointer;transition:background var(--t),border-color var(--t);
  }
  .burger:hover{background:var(--soft);border-color:rgba(106,75,255,.3);}
  @media (min-width:1024px){.burger{display:none;}}
  .drawer{
    position:fixed;inset:0;z-index:80;
    background:rgba(20,16,31,.55);
    display:none;
  }
  .drawer.is-open{display:block;}
  .drawer-panel{
    position:absolute;top:12px;left:12px;right:12px;
    background:#fff;border-radius:var(--radius-lg);
    border:1px solid var(--line);
    box-shadow:0 30px 60px -30px rgba(20,16,31,.6);
    padding:16px;
    max-height:calc(100vh - 24px);
    overflow:auto;
  }
  .drawer-item{
    display:flex;align-items:center;gap:12px;
    min-height:52px;padding:10px 14px;border-radius:12px;
    border:1px solid var(--line);background:#fff;
    font-size:14.5px;font-weight:500;color:var(--ink-2);
    transition:background var(--t),border-color var(--t),color var(--t);
  }
  .drawer-item + .drawer-item{margin-top:8px;}
  .drawer-item:hover{background:var(--soft);color:var(--primary);}
  .drawer-item.is-active{border-color:rgba(106,75,255,.4);background:#F2F0FF;color:var(--primary);font-weight:600;}
  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 20px;border-radius:12px;
    font-size:14.5px;font-weight:600;border:1px solid transparent;
    cursor:pointer;transition:filter var(--t),transform var(--t),background var(--t),border-color var(--t),color var(--t),box-shadow var(--t);
    white-space:nowrap;
  }
  .btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
  .btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 22px -12px rgba(106,75,255,.85);}
  .btn-primary:hover{filter:brightness(1.06);}
  .btn-primary:active{transform:translateY(1px);}
  .btn-ghost{background:#fff;border-color:var(--primary);color:var(--primary);}
  .btn-ghost:hover{background:#F2F0FF;}
  .btn-ghost:active{transform:translateY(1px);}
  .btn-coral{background:var(--coral);color:#fff;}
  .btn-coral:hover{filter:brightness(1.06);}
  .btn-sm{height:36px;padding:0 14px;font-size:13.5px;border-radius:10px;}
  .btn-block{width:100%;}
  .btn-text{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--primary);font-weight:600;font-size:14px;
    border-bottom:1px solid rgba(106,75,255,.45);
    padding-bottom:2px;transition:border-color var(--t),color var(--t);
  }
  .btn-text:hover{border-color:var(--primary);}
  /* ---------- 标签 / 徽章 ---------- */
  .tag-pill{
    display:inline-flex;align-items:center;gap:8px;
    height:30px;padding:0 14px;border-radius:999px;
    background:#F2F0FF;color:var(--primary);
    font-size:12.5px;font-weight:600;letter-spacing:.02em;
  }
  .tag-pill-dark{background:rgba(15,227,194,.12);color:var(--accent);border:1px solid rgba(15,227,194,.35);}
  .badge{
    display:inline-flex;align-items:center;
    height:26px;padding:0 11px;border-radius:999px;
    background:var(--soft);color:var(--primary);
    font-size:12px;font-weight:600;
  }
  .badge-time{background:#fff;border:1px solid var(--line);color:var(--ink-3);font-family:"JetBrains Mono",ui-monospace,monospace;font-size:11.5px;}
  /* ---------- 卡片 ---------- */
  .card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-sm);
    transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  }
  .card-hover:hover{
    transform:translateY(-4px);
    border-color:rgba(106,75,255,.3);
    box-shadow:var(--shadow-hover);
  }
  .card-pad{padding:24px;}
  .thumb{
    width:100%;aspect-ratio:16/10;object-fit:cover;
    border-radius:var(--radius-md);
    background:var(--soft);
    border:1px solid var(--line);
  }
  /* ---------- 装饰 ---------- */
  .dot-grid{
    background-image:radial-gradient(rgba(106,75,255,.22) 1px,transparent 1px);
    background-size:16px 16px;
  }
  .hud-frame{position:relative;}
  .hud-frame::before,.hud-frame::after{
    content:"";position:absolute;width:26px;height:26px;
    border:2px solid var(--accent);pointer-events:none;
  }
  .hud-frame::before{top:12px;left:12px;border-right:0;border-bottom:0;}
  .hud-frame::after{bottom:12px;right:12px;border-left:0;border-top:0;}
  .scanline{position:relative;overflow:hidden;}
  .scanline::after{
    content:"";position:absolute;left:0;right:0;top:0;height:1px;
    background:linear-gradient(90deg,transparent,rgba(15,227,194,.75),transparent);
  }
  /* ---------- Hero ---------- */
  .hero-wrap{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-sm);
    overflow:hidden;
  }
  .hero-media{
    position:relative;
    min-height:280px;
    background:var(--panel);
    overflow:hidden;
  }
  .hero-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
  .hero-media::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(155deg,rgba(20,16,31,.72) 6%,rgba(20,16,31,.15) 62%,rgba(106,75,255,.35));
  }
  .float-card{
    position:absolute;
    background:rgba(20,16,31,.86);
    border:1px solid rgba(255,255,255,.14);
    border-radius:var(--radius-md);
    padding:12px 16px;
    backdrop-filter:blur(2px);
    color:#F6F5FB;
    min-width:140px;
  }
  .mini-metric{
    border-left:2px solid var(--primary);
    padding-left:14px;
  }
  /* ---------- 深色指标面板 ---------- */
  .panel-dark{
    background:var(--panel);
    border-radius:var(--radius-lg);
    border:1px solid rgba(255,255,255,.08);
    color:#F6F5FB;
    position:relative;
    overflow:hidden;
  }
  .metric-cell{
    border-top:1px solid rgba(255,255,255,.08);
    border-left:1px solid rgba(255,255,255,.08);
    padding:24px 20px;
  }
  @media (min-width:768px){
    .metric-cell{border-top:0;}
    .metric-cell:first-child{border-left:0;}
  }
  .metric-num{
    font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,monospace;
    font-size:clamp(28px,3.6vw,46px);
    font-weight:800;
    letter-spacing:-.02em;
    line-height:1.1;
    white-space:nowrap;
  }
  .metric-label{font-size:13.5px;color:#C9C6DE;}
  .up{color:var(--accent);font-size:12.5px;font-weight:600;font-family:"JetBrains Mono",ui-monospace,monospace;}
  .down{color:var(--coral);font-size:12.5px;font-weight:600;font-family:"JetBrains Mono",ui-monospace,monospace;}
  /* ---------- Bento ---------- */
  .bento-dark{
    background:var(--panel);
    color:#F6F5FB;
    border-color:rgba(255,255,255,.1);
  }
  .bento-dark .bento-desc{color:#C9C6DE;}
  .icon-box{
    width:44px;height:44px;border-radius:12px;
    display:flex;align-items:center;justify-content:center;
    background:#F2F0FF;color:var(--primary);
  }
  .bento-dark .icon-box{background:rgba(15,227,194,.12);color:var(--accent);}
  /* ---------- 对比 ---------- */
  .compare-row + .compare-row{border-top:1px solid var(--line);}
  .bar-track{
    height:8px;border-radius:999px;background:var(--soft);overflow:hidden;
  }
  .bar-old{height:100%;border-radius:999px;background:#C9C6DE;}
  .bar-new{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent));}
  /* ---------- 列表 ---------- */
  .row-item{
    display:flex;align-items:center;gap:16px;
    padding:16px 18px;border-radius:var(--radius-md);
    border:1px solid var(--line);background:#fff;
    transition:border-color var(--t),transform var(--t),box-shadow var(--t);
  }
  .row-item + .row-item{margin-top:10px;}
  .row-item:hover{border-color:rgba(106,75,255,.35);transform:translateX(3px);box-shadow:var(--shadow-sm);}
  .row-num{
    font-family:"JetBrains Mono",ui-monospace,monospace;
    font-size:13px;font-weight:700;color:var(--primary);
    min-width:26px;
  }
  /* ---------- FAQ ---------- */
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
    transition:border-color var(--t),box-shadow var(--t);
  }
  .faq-item + .faq-item{margin-top:12px;}
  .faq-item[open]{border-color:rgba(106,75,255,.5);box-shadow:0 12px 28px -20px rgba(106,75,255,.6);}
  .faq-item summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;font-size:15.5px;font-weight:600;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-sign{
    flex:none;width:26px;height:26px;border-radius:8px;
    background:var(--soft);color:var(--primary);
    display:flex;align-items:center;justify-content:center;
    font-size:16px;font-weight:700;line-height:1;
    transition:transform var(--t),background var(--t);
  }
  .faq-item[open] .faq-sign{transform:rotate(45deg);background:#F2F0FF;}
  .faq-body{padding:0 22px 20px;color:var(--ink-2);font-size:15px;line-height:1.85;}
  /* ---------- 表单 ---------- */
  .field{
    width:100%;height:46px;padding:0 14px;
    border:1px solid var(--line);border-radius:12px;background:#fff;
    transition:border-color var(--t),box-shadow var(--t);
  }
  .field:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(106,75,255,.18);}
  textarea.field{height:auto;min-height:120px;padding:12px 14px;line-height:1.75;resize:vertical;}
  .field-label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:8px;}
  .req{color:var(--coral);margin-left:2px;}
  /* ---------- 页脚 ---------- */
  .foot{
    background:var(--panel);color:#F6F5FB;
    border-top:1px solid rgba(255,255,255,.08);
  }
  .foot a{color:#C9C6DE;font-size:14px;transition:color var(--t);}
  .foot a:hover{color:var(--accent);}
  .foot-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:#8F8AA8;text-transform:uppercase;}
  .foot-sep{border-top:1px solid rgba(255,255,255,.08);}
  /* ---------- 空态 ---------- */
  .empty-state{
    border:1px dashed var(--line);border-radius:var(--radius-lg);
    background:#fff;padding:48px 24px;text-align:center;color:var(--ink-3);
  }
  .empty-state .icon-box{margin:0 auto 16px;}
  @media (max-width:767px){
    .hero-media{min-height:240px;}
    .card-pad{padding:20px;}
  }

/* roulang page: article */
:root{
  --violet:#6A4BFF;
  --violet-soft:rgba(106,75,255,.10);
  --cyan:#0FE3C2;
  --cyan-ink:#0A9E88;
  --coral:#FF5C39;
  --panel:#14101F;
  --panel-2:#1F1930;
  --bg:#F6F5FB;
  --card:#FFFFFF;
  --soft:#EFEDF8;
  --line:#E7E5F2;
  --ink:#16151F;
  --ink-2:#4A4860;
  --ink-3:#8A87A0;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(20,16,31,.06);
  --sh-2:0 14px 34px -14px rgba(106,75,255,.28);
  --ease:cubic-bezier(.4,0,.2,1);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::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:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0}
.mono{font-family:var(--font-mono);letter-spacing:-.01em}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container-x{padding:0 32px}}

/* ---------- 导航 ---------- */
.nav-shell{
  display:flex;align-items:center;gap:12px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:10px 12px;
  box-shadow:var(--sh-1);
}
.brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:800;white-space:nowrap}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--violet),#8E79FF);
  color:#fff;font-size:16px;font-weight:800;
  box-shadow:0 6px 16px -6px rgba(106,75,255,.8);
}
.nav-items{display:flex;align-items:center;gap:6px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.nav-items::-webkit-scrollbar{display:none}
.nav-link{
  display:inline-flex;align-items:center;gap:7px;height:40px;padding:0 12px;
  border-radius:var(--r-sm);font-size:13.5px;font-weight:600;color:var(--ink-2);
  white-space:nowrap;border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.nav-link:hover{background:var(--soft);color:var(--ink)}
.nav-link.is-active{color:var(--violet);border-color:rgba(106,75,255,.35);background:var(--violet-soft)}
.nav-cta{margin-left:6px}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:var(--r-sm);border:1px solid var(--line);background:var(--soft);
  color:var(--ink);cursor:pointer;transition:all .2s var(--ease);
}
.nav-toggle:hover{color:var(--violet);border-color:rgba(106,75,255,.35)}
.nav-drawer{position:fixed;inset:0;z-index:60;background:rgba(20,16,31,.5)}
.nav-drawer[hidden]{display:none}
.nav-drawer-panel{
  position:absolute;top:12px;left:12px;right:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px;display:flex;flex-direction:column;gap:8px;
  box-shadow:0 24px 60px -24px rgba(20,16,31,.5);
  max-height:calc(100vh - 24px);overflow-y:auto;
}
.drawer-link{
  display:flex;align-items:center;gap:10px;min-height:48px;padding:0 14px;
  border-radius:var(--r-sm);border:1px solid var(--line);background:var(--soft);
  font-size:14px;font-weight:600;color:var(--ink-2);transition:all .2s var(--ease);
}
.drawer-link:hover,.drawer-link.is-active{color:var(--violet);border-color:rgba(106,75,255,.35);background:#fff}
@media(min-width:1024px){.nav-drawer{display:none!important}}
@media(max-width:1023px){
  .nav-items,.nav-cta{display:none}
  .nav-toggle{display:inline-flex}
}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-sm);
  font-size:14px;font-weight:700;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;transition:all .2s var(--ease);
}
.btn:focus-visible{outline:2px solid var(--violet);outline-offset:2px}
.btn-primary{background:var(--violet);color:#fff;box-shadow:0 10px 24px -12px rgba(106,75,255,.9)}
.btn-primary:hover{filter:brightness(1.06)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:#fff;border-color:rgba(106,75,255,.45);color:var(--violet)}
.btn-outline:hover{background:var(--violet-soft)}
.btn-outline:active{transform:translateY(1px)}
.btn-ghost{background:var(--soft);color:var(--ink-2);border-color:var(--line)}
.btn-ghost:hover{background:#fff;color:var(--violet);border-color:rgba(106,75,255,.35)}
.btn-ghost.is-on{background:var(--violet-soft);color:var(--violet);border-color:rgba(106,75,255,.4)}
.btn-sm{height:36px;padding:0 14px;font-size:13px;border-radius:10px}

.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;font-size:12.5px;font-weight:600;white-space:nowrap;
}
.badge-violet{background:var(--violet-soft);color:var(--violet);border:1px solid rgba(106,75,255,.25)}
.badge-cyan{background:rgba(15,227,194,.13);color:var(--cyan-ink);border:1px solid rgba(15,227,194,.38)}
.badge-mono{font-family:var(--font-mono);background:var(--soft);color:var(--ink-2);border:1px solid var(--line)}

.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;
  color:var(--violet);border-bottom:1px solid transparent;transition:border-color .2s var(--ease);
}
.text-link:hover{border-bottom-color:var(--violet)}

/* ---------- 面包屑栏 ---------- */
.crumb-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:14px 20px;box-shadow:var(--sh-1);overflow-x:auto;scrollbar-width:none;
}
.crumb-bar::-webkit-scrollbar{display:none}
.crumb-title{
  display:flex;align-items:center;gap:10px;
  font-size:16px;font-weight:700;color:var(--ink);white-space:nowrap;
}
.crumb-title::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--violet)}
.crumb-path{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);white-space:nowrap}
.crumb-path a{color:var(--ink-3);transition:color .2s var(--ease)}
.crumb-path a:hover{color:var(--violet)}
.crumb-path .sep{color:#CFCCE2}
.crumb-path .now{color:var(--ink-2);font-weight:600}

/* ---------- 文章卡片 ---------- */
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:24px 20px;
}
@media(min-width:768px){.post-card{padding:36px 40px}}
@media(min-width:1024px){.post-card{padding:44px 56px}}

.post-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.post-title{
  font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.22;
  letter-spacing:-.01em;color:var(--ink);margin-bottom:16px;
}
.post-lead{
  font-size:15.5px;line-height:1.85;color:var(--ink-2);
  margin-bottom:22px;padding-left:14px;border-left:3px solid var(--line);
}
.post-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;
  font-size:13px;color:var(--ink-3);
  padding-bottom:26px;border-bottom:1px solid var(--line);
}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:#D8D5E6}

/* ---------- 正文布局 ---------- */
.post-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;margin-top:32px}
.post-toc{
  display:none;position:sticky;top:96px;align-self:start;
  flex-direction:column;gap:4px;padding:18px 14px;
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--card);box-shadow:var(--sh-1);
}
.post-toc::before{
  content:"本文目录";font-size:12px;font-weight:700;letter-spacing:.1em;
  color:var(--ink-3);padding:0 10px 8px;
}
.toc-link{
  display:block;font-size:13.5px;color:var(--ink-2);padding:7px 10px;
  border-radius:10px;border-left:2px solid transparent;line-height:1.5;
  transition:all .2s var(--ease);
}
.toc-link:hover{background:var(--soft);color:var(--violet);border-left-color:var(--violet)}
.toc-link.is-sub{padding-left:22px;font-size:13px;color:var(--ink-3)}
@media(min-width:1024px){
  .post-layout.has-toc{grid-template-columns:228px minmax(0,1fr);gap:52px}
  .post-layout.has-toc .post-toc{display:flex}
  .post-body{max-width:820px}
}

/* ---------- 正文排版 ---------- */
.article-body{font-size:16px;line-height:1.9;color:var(--ink-2);word-wrap:break-word}
.article-body p{margin:0 0 1em}
.article-body h2{
  font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.35;
  color:var(--ink);margin:2em 0 .7em;padding-left:14px;
  border-left:4px solid var(--violet);
}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:19px;font-weight:700;color:var(--ink);margin:1.6em 0 .6em}
.article-body strong{color:var(--ink);font-weight:700}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.5em}
.article-body li{margin-bottom:8px}
.article-body a{
  color:var(--violet);font-weight:600;
  text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;
}
.article-body a:hover{text-decoration-thickness:2px}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px;background:var(--soft);
  border-left:4px solid var(--violet);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--ink);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:1.4em 0;width:100%;height:auto}
.article-body figure{margin:1.4em 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.4em 0;font-size:14.5px;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
}
.article-body th{background:var(--soft);font-weight:700;color:var(--ink);text-align:left}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:#FAF9FE}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body pre{
  background:var(--panel);color:#F6F5FB;border-radius:var(--r-sm);
  padding:18px 20px;overflow-x:auto;margin:1.4em 0;
  font-family:var(--font-mono);font-size:13.5px;line-height:1.7;
}
.article-body code{
  font-family:var(--font-mono);font-size:.92em;
  background:var(--soft);padding:2px 6px;border-radius:6px;color:var(--ink);
}
.article-body pre code{background:none;padding:0;color:inherit}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:64px 24px;border:1px dashed var(--line);
  border-radius:var(--r-lg);background:var(--card);
}
.empty-state .es-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  display:grid;place-items:center;background:var(--soft);color:var(--violet);
}
.empty-state h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:8px}
.empty-state p{font-size:14.5px;color:var(--ink-3);margin-bottom:22px}

/* ---------- 文章底部 ---------- */
.post-foot{
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;
  margin-top:44px;padding-top:24px;border-top:1px solid var(--line);
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  font-size:13px;padding:6px 12px;border-radius:999px;
  background:var(--soft);color:var(--ink-2);transition:all .2s var(--ease);
}
.tag:hover{background:var(--violet-soft);color:var(--violet)}
.share-row{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- 板块标题 ---------- */
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  margin-bottom:28px;
}
.sec-head h2{
  font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.25;color:var(--ink);
}
.sec-head .sec-sub{font-size:14px;color:var(--ink-3);margin-top:6px}

/* ---------- 相关推荐 ---------- */
.relate-grid{display:grid;gap:22px;grid-template-columns:minmax(0,1fr)}
@media(min-width:768px){.relate-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.relate-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.rcard{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.rcard:hover{transform:translateY(-3px);border-color:rgba(106,75,255,.3);box-shadow:var(--sh-2)}
.rcard-media{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--soft)}
.rcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.rcard:hover .rcard-media img{transform:scale(1.04)}
.rcard-body{display:flex;flex-direction:column;gap:10px;padding:18px 20px 22px;flex:1}
.rcard-title{font-size:17px;font-weight:700;line-height:1.45;color:var(--ink)}
.rcard-title a:hover{color:var(--violet)}
.rcard-desc{
  font-size:14px;line-height:1.7;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rcard-meta{
  display:flex;align-items:center;gap:10px;margin-top:auto;
  font-size:12.5px;color:var(--ink-3);font-family:var(--font-mono);
}

.back-row{display:flex;justify-content:center;padding:8px 0 0}

/* ---------- 页脚 ---------- */
.foot{background:var(--panel);color:#F6F5FB;margin-top:16px;padding-top:56px;padding-bottom:32px}
.foot .brand{color:#F6F5FB}
.foot .grid{display:grid;gap:40px}
@media(min-width:768px){.foot .grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.foot .grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.foot-title{font-size:14px;font-weight:700;color:#F6F5FB;letter-spacing:.02em}
.foot ul{list-style:none;margin:0;padding:0}
.foot ul li+li{margin-top:12px}
.foot a{font-size:14px;color:#C9C6DE;transition:color .2s var(--ease)}
.foot a:hover{color:var(--cyan)}
.foot-sep{border-top:1px solid rgba(255,255,255,.08)}
.foot .brand-mark{box-shadow:none}

@media(max-width:767px){
  .post-lead{font-size:15px}
  .article-body{font-size:15.5px;line-height:1.85}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px}
}

/* roulang page: category1 */
:root{
    --brand:#6A4BFF;
    --brand-soft:#EFEBFF;
    --brand-line:rgba(106,75,255,.32);
    --cyan:#0FE3C2;
    --cyan-deep:#0B9E86;
    --coral:#FF5C39;
    --ink:#16151F;
    --ink-2:#4A4860;
    --ink-3:#8A87A0;
    --bg:#F6F5FB;
    --card:#FFFFFF;
    --panel:#EFEDF8;
    --dark:#14101F;
    --dark-2:#1F1930;
    --line:#E7E5F2;
    --r-lg:18px;
    --r-md:14px;
    --r-sm:12px;
    --shadow:0 1px 2px rgba(20,16,31,.06);
    --shadow-lift:0 14px 34px -14px rgba(106,75,255,.28);
    --ease:cubic-bezier(.4,0,.2,1);
    --t:220ms;
    --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
    --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  }

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

  .page{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }

  .page img{max-width:100%;height:auto;display:block;}
  .page a{color:inherit;text-decoration:none;}
  .page button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  .page ul{margin:0;padding:0;list-style:none;}
  .page p{margin:0;}

  a:focus-visible,
  button:focus-visible,
  summary:focus-visible{
    outline:2px solid var(--brand);
    outline-offset:2px;
    border-radius:8px;
  }

  .container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
  @media (min-width:1024px){ .container-x{padding:0 32px;} }

  .mono{font-family:var(--font-mono);letter-spacing:-.01em;}

  /* ---------- 顶部导航 ---------- */
  .site-head{position:sticky;top:0;z-index:50;padding-top:12px;}

  .nav-shell{
    display:flex;
    align-items:center;
    gap:12px;
    padding:8px 10px;
    background:rgba(255,255,255,.97);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow);
  }

  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:16px;
    font-weight:800;
    color:var(--ink);
    white-space:nowrap;
    padding:4px 6px 4px 4px;
  }
  .brand-mark{
    display:grid;
    place-items:center;
    width:34px;height:34px;
    border-radius:var(--r-sm);
    background:linear-gradient(135deg,var(--brand),#8E6BFF);
    color:#fff;
    font-size:15px;
    font-weight:800;
    box-shadow:0 8px 18px -10px rgba(106,75,255,.85);
  }

  .nav-items{
    display:flex;
    align-items:center;
    gap:4px;
    flex:1;
    min-width:0;
    justify-content:center;
    overflow:hidden;
  }
  .nav-link{
    display:inline-flex;
    align-items:center;
    gap:7px;
    height:44px;
    padding:0 11px;
    border-radius:var(--r-sm);
    border:1px solid transparent;
    font-size:13.5px;
    font-weight:600;
    color:var(--ink-2);
    white-space:nowrap;
    transition:background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
  }
  .nav-link:hover{background:var(--panel);color:var(--ink);}
  .nav-link.is-active{
    color:var(--brand);
    background:#fff;
    border-color:var(--brand-line);
    box-shadow:0 6px 16px -12px rgba(106,75,255,.9);
  }

  .nav-cta{flex:none;}

  .nav-toggle{
    display:none;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:4px;
    width:44px;height:44px;
    border:1px solid var(--line);
    border-radius:var(--r-sm);
    background:#fff;
    transition:border-color var(--t) var(--ease),background var(--t) var(--ease);
  }
  .nav-toggle:hover{border-color:var(--brand-line);background:var(--brand-soft);}
  .nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);}

  .nav-drawer{
    display:none;
    margin-top:10px;
    padding:12px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow-lift);
  }
  .nav-drawer.is-open{display:block;}
  .drawer-link{
    display:flex;
    align-items:center;
    gap:10px;
    min-height:48px;
    padding:10px 12px;
    margin-bottom:8px;
    border:1px solid var(--line);
    border-radius:var(--r-sm);
    font-size:14px;
    font-weight:600;
    color:var(--ink-2);
    transition:border-color var(--t) var(--ease),background var(--t) var(--ease),color var(--t) var(--ease);
  }
  .drawer-link:hover{border-color:var(--brand-line);background:var(--brand-soft);color:var(--brand);}
  .drawer-link.is-active{color:var(--brand);border-color:var(--brand-line);background:var(--brand-soft);}
  .drawer-cta{margin-top:8px;width:100%;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:44px;
    padding:0 20px;
    border-radius:var(--r-sm);
    border:1px solid transparent;
    font-size:14px;
    font-weight:700;
    cursor:pointer;
    white-space:nowrap;
    transition:filter var(--t) var(--ease),transform var(--t) var(--ease),background var(--t) var(--ease),border-color var(--t) var(--ease),color var(--t) var(--ease);
  }
  .btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px -14px rgba(106,75,255,.95);}
  .btn-primary:hover{filter:brightness(1.06);}
  .btn-primary:active{transform:translateY(1px);}
  .btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand-line);}
  .btn-ghost:hover{background:var(--brand-soft);}
  .btn-ghost:active{transform:translateY(1px);}
  .btn-sm{height:36px;padding:0 14px;font-size:13px;}
  .btn-block{width:100%;}

  /* ---------- 徽章 ---------- */
  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    height:26px;
    padding:0 10px;
    border-radius:999px;
    background:var(--brand-soft);
    color:var(--brand);
    font-size:12px;
    font-weight:700;
  }
  .badge-cyan{background:rgba(15,227,194,.15);color:var(--cyan-deep);}
  .badge-time{background:var(--panel);color:var(--ink-2);font-family:var(--font-mono);}

  /* ---------- 通用板块 ---------- */
  .section{padding:56px 0;}
  @media (min-width:768px){ .section{padding:84px 0;} }

  .h-hero{font-size:clamp(28px,3.6vw,42px);font-weight:800;line-height:1.15;letter-spacing:-.01em;}
  .h-sec{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.28;}
  .h-card{font-size:18px;font-weight:700;line-height:1.4;}
  .h-bar{font-size:19px;font-weight:700;}
  .sec-head{max-width:780px;margin-bottom:32px;}
  .sec-desc{margin-top:12px;color:var(--ink-2);font-size:15px;}

  .dot{display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--ink-3);}

  /* ---------- 分类简化 Hero ---------- */
  .cat-hero{
    display:grid;
    grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
    gap:32px;
    align-items:center;
    min-height:280px;
    margin-top:20px;
    padding:28px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow);
  }
  .cat-hero-text{min-width:0;}
  .hero-sub{
    margin-top:14px;
    max-width:520px;
    color:var(--ink-2);
    font-size:15.5px;
    line-height:1.8;
  }
  .hero-stats{
    display:flex;
    flex-wrap:wrap;
    gap:28px;
    margin-top:24px;
    padding-top:20px;
    border-top:1px dashed var(--line);
  }
  .hero-stats > div{display:flex;flex-direction:column;gap:2px;}
  .stat-num{font-family:var(--font-mono);font-size:24px;font-weight:800;color:var(--ink);line-height:1.1;}
  .stat-num em{font-style:normal;font-size:13px;font-weight:700;color:var(--ink-3);margin-left:2px;}
  .stat-lab{font-size:12.5px;color:var(--ink-3);}

  .hero-media{
    position:relative;
    overflow:hidden;
    border:1px solid var(--line);
    border-radius:var(--r-md);
    background:var(--panel);
  }
  .hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
  .hero-media::before,
  .hero-media::after{
    content:"";
    position:absolute;
    width:26px;height:26px;
    border:2px solid rgba(15,227,194,.9);
    pointer-events:none;
  }
  .hero-media::before{top:10px;left:10px;border-right:0;border-bottom:0;}
  .hero-media::after{bottom:10px;right:10px;border-left:0;border-top:0;}
  .hero-chip{
    position:absolute;
    right:14px;top:14px;
    padding:8px 12px;
    border-radius:var(--r-sm);
    background:rgba(20,16,31,.86);
    border:1px solid rgba(255,255,255,.14);
    color:#F6F5FB;
    font-size:12px;
    line-height:1.5;
  }
  .hero-chip .mono{color:var(--cyan);font-weight:700;}

  /* ---------- 栏目条 ---------- */
  .info-bar{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    margin-top:24px;
    padding-bottom:12px;
    border-bottom:1px solid var(--line);
    overflow-x:auto;
    white-space:nowrap;
  }
  .crumb{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);}
  .crumb a{transition:color var(--t) var(--ease);}
  .crumb a:hover{color:var(--brand);}

  /* ---------- 说明区 ---------- */
  .intro-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:28px;align-items:start;}
  .intro-text p{margin-top:14px;color:var(--ink-2);font-size:15.5px;line-height:1.85;}
  .intro-text .h-sec{margin-bottom:16px;}

  .check-card{
    padding:24px;
    background:var(--dark);
    border:1px solid rgba(255,255,255,.08);
    border-radius:var(--r-lg);
  }
  .check-card .side-title{color:#F6F5FB;}
  .check-list li{
    display:flex;
    gap:12px;
    align-items:flex-start;
    padding:11px 0;
    border-bottom:1px solid rgba(255,255,255,.08);
    color:#C9C6DE;
    font-size:14px;
  }
  .check-list li:last-child{border-bottom:0;}
  .check-list .mono{color:var(--cyan);font-weight:700;flex:none;}
  .check-note{margin-top:14px;font-size:12.5px;color:#8F8AA8;}

  /* ---------- 双栏主体 ---------- */
  .cat-layout{
    display:grid;
    grid-template-columns:minmax(0,8fr) minmax(0,4fr);
    gap:24px;
    align-items:start;
  }

  .entry-list{display:flex;flex-direction:column;gap:20px;}
  .entry{
    display:grid;
    grid-template-columns:216px minmax(0,1fr);
    gap:20px;
    padding:18px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow);
    transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
  }
  .entry:hover{
    transform:translateY(-3px);
    border-color:var(--brand-line);
    box-shadow:var(--shadow-lift);
  }
  .entry-media img{
    width:100%;
    aspect-ratio:16/10;
    object-fit:cover;
    border-radius:var(--r-md);
    border:1px solid var(--line);
    background:var(--panel);
  }
  .entry-body{min-width:0;}
  .entry-body .h-card{margin-top:10px;}
  .entry-body p{margin-top:8px;color:var(--ink-2);font-size:14.5px;}
  .entry-meta{
    display:flex;
    align-items:center;
    gap:10px;
    margin-top:14px;
    font-size:12.5px;
    color:var(--ink-3);
  }
  .entry-meta .mono{color:var(--ink-2);}

  /* ---------- 侧栏 ---------- */
  .side-col{display:flex;flex-direction:column;gap:20px;}
  .side-card{
    padding:20px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow);
  }
  .side-title{
    display:flex;
    align-items:center;
    gap:8px;
    margin-bottom:14px;
    font-size:15px;
    font-weight:700;
  }
  .side-title::before{
    content:"";
    width:4px;height:16px;
    border-radius:2px;
    background:var(--brand);
  }
  .side-link{
    display:flex;
    align-items:center;
    gap:10px;
    padding:10px 12px;
    margin-bottom:8px;
    border:1px solid var(--line);
    border-radius:var(--r-sm);
    font-size:13.5px;
    font-weight:600;
    color:var(--ink-2);
    transition:border-color var(--t) var(--ease),background var(--t) var(--ease),color var(--t) var(--ease);
  }
  .side-link:last-child{margin-bottom:0;}
  .side-link:hover{border-color:var(--brand-line);background:var(--brand-soft);color:var(--brand);}

  .rank-item{
    display:flex;
    gap:12px;
    padding:11px 0;
    border-bottom:1px dashed var(--line);
    font-size:14px;
    color:var(--ink-2);
    transition:color var(--t) var(--ease);
  }
  .rank-item:last-child{border-bottom:0;padding-bottom:0;}
  .rank-item:hover{color:var(--brand);}
  .rank-num{flex:none;width:26px;font-family:var(--font-mono);font-weight:800;color:var(--brand);}

  .cta-side{
    padding:24px;
    background:var(--dark);
    border:1px solid rgba(255,255,255,.08);
    border-radius:var(--r-lg);
  }
  .cta-tag{
    display:inline-flex;
    align-items:center;
    height:24px;
    padding:0 10px;
    border-radius:999px;
    background:rgba(15,227,194,.14);
    color:var(--cyan);
    font-size:12px;
    font-weight:700;
  }
  .cta-side .h-card{margin-top:14px;color:#F6F5FB;}
  .cta-side p{margin-top:10px;color:#C9C6DE;font-size:14px;}
  .cta-side .btn{margin-top:18px;}

  /* ---------- FAQ ---------- */
  .faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
  .faq-item{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:0 20px;
    box-shadow:var(--shadow);
    transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
  }
  .faq-item[open]{border-color:var(--brand-line);box-shadow:var(--shadow-lift);}
  .faq-item summary{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:18px 0;
    font-size:15.5px;
    font-weight:600;
    cursor:pointer;
    list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-sign{
    position:relative;
    flex:none;
    width:24px;height:24px;
    border-radius:8px;
    border:1px solid var(--line);
    background:var(--panel);
  }
  .faq-sign::before,
  .faq-sign::after{
    content:"";
    position:absolute;
    left:50%;top:50%;
    transform:translate(-50%,-50%);
    background:var(--brand);
    border-radius:2px;
  }
  .faq-sign::before{width:10px;height:2px;}
  .faq-sign::after{width:2px;height:10px;transition:transform var(--t) var(--ease),opacity var(--t) var(--ease);}
  details[open] .faq-sign::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
  .faq-body{
    padding:14px 0 20px;
    border-top:1px dashed var(--line);
    color:var(--ink-2);
    font-size:15px;
    line-height:1.82;
  }

  /* ---------- CTA 条 ---------- */
  .cta-band{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    padding:28px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow);
  }
  .cta-band p{margin-top:10px;color:var(--ink-2);font-size:14.5px;max-width:560px;}

  /* ---------- 页脚 ---------- */
  .foot{
    margin-top:56px;
    padding:56px 0 32px;
    background:var(--dark);
    color:#F6F5FB;
  }
  .foot-title{font-size:14px;font-weight:700;color:#F6F5FB;}
  .foot a{color:#C9C6DE;font-size:14px;transition:color var(--t) var(--ease);}
  .foot a:hover{color:var(--cyan);}
  .foot-sep{margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);}

  /* ---------- 响应式 ---------- */
  @media (max-width:1200px){
    .nav-link{padding:0 8px;font-size:13px;}
  }
  @media (max-width:1080px){
    .nav-link svg{display:none;}
  }
  @media (max-width:1024px){
    .nav-items{display:none;}
    .nav-cta{display:none;}
    .nav-toggle{display:inline-flex;}
    .nav-shell{justify-content:space-between;}
    .cat-layout{grid-template-columns:1fr;}
    .cat-hero{grid-template-columns:1fr;}
    .hero-media{order:2;}
  }
  @media (max-width:900px){
    .intro-grid{grid-template-columns:1fr;}
  }
  @media (max-width:768px){
    .cat-hero{padding:20px;border-radius:var(--r-lg);}
    .hero-stats{gap:20px;}
    .cta-band{flex-direction:column;align-items:flex-start;}
    .cta-band .btn{width:100%;}
    .entry{grid-template-columns:1fr;}
    .entry-media img{aspect-ratio:16/9;}
  }
  @media (max-width:520px){
    .hero-stats > div{min-width:calc(50% - 10px);}
    .stat-num{font-size:21px;}
    .section{padding:48px 0;}
  }

/* roulang page: category2 */
:root{
  --brand:#6A4BFF;
  --brand-deep:#5236D6;
  --aux:#0FE3C2;
  --warn:#FF5C39;
  --ink:#16151F;
  --ink-2:#4A4860;
  --ink-3:#8A87A0;
  --bg:#F6F5FB;
  --card:#FFFFFF;
  --soft:#EFEDF8;
  --line:#E7E5F2;
  --panel:#14101F;
  --panel-2:#1F1930;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --sh:0 1px 2px rgba(20,16,31,.06);
  --sh-hover:0 14px 34px -14px rgba(106,75,255,.28);
  --t:220ms cubic-bezier(.4,0,.2,1);
  --sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;line-height:1.2}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container-x{padding:0 32px}}

.mono{font-family:var(--mono)}

/* ---------- 导航 ---------- */
.site-head{position:sticky;top:0;z-index:50;padding-top:12px}
.nav-shell{
  display:flex;align-items:center;gap:12px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:0 6px 24px -18px rgba(20,16,31,.45);
  padding:10px 14px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;letter-spacing:-.01em;white-space:nowrap}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),#8E7BFF);
  color:#fff;font-size:15px;font-weight:800;
}
.nav-items{display:none}
@media (min-width:1200px){
  .nav-items{display:flex;flex:1;justify-content:center;gap:4px}
}
.nav-link{
  display:inline-flex;align-items:center;gap:7px;
  height:44px;padding:0 11px;border-radius:var(--r-sm);
  font-size:13px;font-weight:600;color:var(--ink-2);
  border:1px solid transparent;
  white-space:nowrap;
  transition:background var(--t),color var(--t),border-color var(--t);
}
.nav-link svg{flex:0 0 auto;color:var(--ink-3);transition:color var(--t)}
.nav-link:hover{background:var(--soft);color:var(--ink)}
.nav-link:hover svg{color:var(--brand)}
.nav-link.is-active{
  color:var(--brand);
  border-color:rgba(106,75,255,.35);
  background:rgba(106,75,255,.07);
}
.nav-link.is-active svg{color:var(--brand)}
.nav-cta{margin-left:auto}
@media (max-width:767px){.nav-cta{display:none}}
.nav-burger{
  margin-left:auto;
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--soft);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink);cursor:pointer;
  transition:background var(--t),border-color var(--t);
}
.nav-burger:hover{border-color:rgba(106,75,255,.4)}
@media (min-width:1200px){.nav-burger{display:none}}
@media (min-width:768px) and (max-width:1199px){.nav-burger{margin-left:8px}}

/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:80;display:none}
.drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(20,16,31,.55)}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;
  width:min(360px,88vw);
  background:var(--card);
  border-radius:var(--r-lg) 0 0 var(--r-lg);
  padding:18px;
  display:flex;flex-direction:column;gap:10px;
  overflow-y:auto;
}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--soft);
  display:grid;place-items:center;cursor:pointer;color:var(--ink);
}
.drawer-link{
  display:flex;align-items:center;gap:10px;
  min-height:52px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  font-size:14px;font-weight:600;color:var(--ink-2);
  background:#fff;
  transition:background var(--t),border-color var(--t),color var(--t);
}
.drawer-link svg{color:var(--ink-3);flex:0 0 auto}
.drawer-link:hover,.drawer-link.is-active{color:var(--brand);border-color:rgba(106,75,255,.35);background:rgba(106,75,255,.06)}
.drawer-foot{margin-top:auto;padding-top:14px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-sm);
  font-size:14.5px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:filter var(--t),transform var(--t),background var(--t),border-color var(--t),color var(--t),box-shadow var(--t);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{filter:brightness(1.06);box-shadow:var(--sh-hover)}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(106,75,255,.45)}
.btn-ghost:hover{background:rgba(106,75,255,.06)}
.btn-accent{background:var(--warn);color:#fff}
.btn-accent:hover{filter:brightness(1.05);box-shadow:0 14px 30px -16px rgba(255,92,57,.65)}
.btn-wide{width:100%}
.btn-sm{height:36px;padding:0 14px;font-size:13px}
.btn-xs{height:32px;padding:0 12px;font-size:12.5px}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:700;font-size:14px;
  transition:gap var(--t),color var(--t);
}
.btn-text:hover{gap:10px;color:var(--brand-deep)}

/* ---------- 面包屑与标题区 ---------- */
.crumb{padding:22px 0 0;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);white-space:nowrap;overflow-x:auto}
.crumb a{color:var(--ink-2);font-weight:600}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C7C3DA}

.hero-head{padding:34px 0 8px;text-align:center;position:relative}
.hero-head .inner{max-width:720px;margin:0 auto}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:999px;
  background:rgba(106,75,255,.09);color:var(--brand);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.h1{font-size:clamp(28px,4vw,42px);font-weight:800;letter-spacing:-.02em;line-height:1.18;margin-top:16px}
.h2{font-size:clamp(23px,2.6vw,32px);font-weight:700;letter-spacing:-.01em}
.h3{font-size:18px;font-weight:700;line-height:1.4}
.lead{font-size:15.5px;line-height:1.85;color:var(--ink-2)}
.hero-head .lead{margin-top:14px}

.chips{display:flex;gap:10px;overflow-x:auto;padding:26px 0 6px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;
  font-size:13.5px;font-weight:600;color:var(--ink-2);
  transition:border-color var(--t),color var(--t),background var(--t);
}
.chip:hover{border-color:rgba(106,75,255,.45);color:var(--brand)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--aux)}
.chip.is-active .dot{background:#fff}

/* ---------- 板块 ---------- */
.section{padding:52px 0}
@media (min-width:768px){.section{padding:76px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:30px}
.section-head .lead{margin-top:10px;max-width:620px}
.rebar{width:4px;height:22px;border-radius:2px;background:var(--brand);display:inline-block;margin-right:10px;vertical-align:-3px}

/* ---------- 深色速查面板 ---------- */
.panel-dark{
  position:relative;
  background:var(--panel);
  border-radius:22px;
  padding:30px 22px;
  color:#F6F5FB;
  overflow:hidden;
}
@media (min-width:768px){.panel-dark{padding:40px 36px}}
.panel-dark .dot-layer{
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(106,75,255,.35) 1px,transparent 1px);
  background-size:16px 16px;
  opacity:.5;
  pointer-events:none;
}
.panel-dark > *{position:relative}
.hud{position:absolute;width:16px;height:16px;border:2px solid rgba(15,227,194,.75);pointer-events:none}
.hud.tl{top:14px;left:14px;border-right:0;border-bottom:0}
.hud.tr{top:14px;right:14px;border-left:0;border-bottom:0}
.hud.bl{bottom:14px;left:14px;border-right:0;border-top:0}
.hud.br{bottom:14px;right:14px;border-left:0;border-top:0}
.panel-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;color:var(--aux);letter-spacing:.06em;
}
.panel-title{font-size:clamp(21px,2.4vw,28px);font-weight:700;margin-top:12px;color:#F6F5FB}
.panel-desc{margin-top:10px;font-size:14.5px;color:#C9C6DE;max-width:680px}

.stat-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.08);
  border-radius:16px;overflow:hidden;margin-top:26px;
}
@media (min-width:900px){.stat-grid{grid-template-columns:repeat(4,1fr)}}
.stat{background:var(--panel-2);padding:20px 16px;display:flex;flex-direction:column;gap:8px}
.stat-num{
  font-family:var(--mono);
  font-size:clamp(26px,3.4vw,38px);font-weight:800;
  letter-spacing:-.02em;color:#F6F5FB;white-space:nowrap;line-height:1.1;
}
.stat-num em{font-style:normal;font-size:14px;color:var(--aux);margin-left:6px;font-weight:700}
.stat-label{font-size:13px;color:#C9C6DE}
.stat-trend{display:inline-flex;align-items:center;gap:5px;font-family:var(--mono);font-size:12px;color:var(--aux)}

/* ---------- 卡片网格 ---------- */
.grid-cards{display:grid;gap:22px;grid-template-columns:1fr}
@media (min-width:640px){.grid-cards{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.grid-cards{grid-template-columns:repeat(3,1fr)}}

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);border-color:rgba(106,75,255,.32);box-shadow:var(--sh-hover)}
.card-media{position:relative;aspect-ratio:16/10;background:var(--soft);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.4,0,.2,1)}
.card:hover .card-media img{transform:scale(1.03)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:700;
  background:var(--soft);color:var(--brand);
}
.badge.on-media{
  position:absolute;top:12px;left:12px;
  background:rgba(20,16,31,.82);color:#F6F5FB;
}
.badge.aux{background:rgba(15,227,194,.16);color:#0A9C86}
.card-body{padding:18px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body .desc{font-size:14.5px;color:var(--ink-2);line-height:1.75}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 11px;border-radius:999px;
  border:1px solid var(--line);background:#FBFAFF;
  font-size:12.5px;color:var(--ink-2);font-weight:600;
}
.tag i{width:5px;height:5px;border-radius:50%;background:var(--aux);display:block}
.card-foot{
  margin-top:auto;padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.time{font-family:var(--mono);font-size:12.5px;color:var(--ink-3)}
.load-more{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:38px}
.load-more .hint{font-size:13px;color:var(--ink-3)}

/* ---------- 要点清单 ---------- */
.check-grid{display:grid;gap:14px;grid-template-columns:1fr}
@media (min-width:768px){.check-grid{grid-template-columns:repeat(2,1fr)}}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 18px;
  transition:border-color var(--t),box-shadow var(--t);
}
.check-item:hover{border-color:rgba(106,75,255,.3);box-shadow:var(--sh)}
.check-ico{
  flex:0 0 auto;width:32px;height:32px;border-radius:10px;
  display:grid;place-items:center;
  background:rgba(106,75,255,.1);color:var(--brand);
}
.check-item h3{font-size:15.5px;font-weight:700}
.check-item p{font-size:14px;color:var(--ink-2);margin-top:4px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:0 20px;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item:hover{border-color:rgba(106,75,255,.28)}
.faq-item[open]{border-color:rgba(106,75,255,.45);box-shadow:var(--sh)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;cursor:pointer;list-style:none;
  font-size:15.5px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-family:var(--mono);font-size:20px;font-weight:700;
  color:var(--brand);flex:0 0 auto;transition:transform var(--t);
}
.faq-item[open] summary::after{content:"–"}
.faq-body{padding:0 0 18px;font-size:15px;color:var(--ink-2);line-height:1.8;max-width:760px}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#1B1530,#14101F 55%);
  border-radius:22px;
  padding:32px 24px;
  color:#F6F5FB;
}
@media (min-width:768px){.cta-card{padding:44px 40px}}
.cta-grid{display:grid;gap:26px}
@media (min-width:1024px){.cta-grid{grid-template-columns:5fr 7fr;align-items:center}}
.cta-card h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;color:#F6F5FB}
.cta-card p{font-size:14.5px;color:#C9C6DE;margin-top:12px}
.trust-list{margin-top:20px;display:grid;gap:10px}
.trust-list li{display:flex;align-items:center;gap:10px;font-size:14px;color:#E4E1F2}
.trust-list svg{flex:0 0 auto;color:var(--aux)}
.form-card{
  background:#fff;border-radius:var(--r-lg);
  padding:26px 22px;box-shadow:0 20px 50px -28px rgba(0,0,0,.6);
}
@media (min-width:768px){.form-card{padding:30px}}
.field{display:block;margin-bottom:16px}
.field .lab{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:8px}
.field .req{color:var(--warn);margin-left:4px}
.field input{
  width:100%;height:44px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;color:var(--ink);
  transition:border-color var(--t),box-shadow var(--t);
}
.field input::placeholder{color:#A9A6BC}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(106,75,255,.22)}
.privacy-line{display:flex;gap:8px;align-items:flex-start;font-size:12.5px;color:var(--ink-3);margin:14px 0 18px;line-height:1.6}

/* ---------- 页脚 ---------- */
.foot{background:var(--panel);color:#F6F5FB}
.foot .brand{color:#F6F5FB}
.foot p{color:#C9C6DE}
.foot a{color:#C9C6DE;font-size:14px;transition:color var(--t)}
.foot a:hover{color:#fff}
.foot-title{font-size:13px;font-weight:700;color:#F6F5FB;letter-spacing:.04em}
.foot-sep{border-top:1px solid rgba(255,255,255,.08)}
.foot .brand-mark{background:linear-gradient(135deg,var(--brand),var(--aux))}

@media print{
  .site-head,.drawer,.cta-card{display:none}
  body{background:#fff}
}

/* roulang page: category3 */
:root{
    --brand:#6A4BFF;
    --brand-deep:#5638E0;
    --teal:#0FE3C2;
    --coral:#FF5C39;
    --ink:#16151F;
    --ink-2:#4A4860;
    --ink-3:#8A87A0;
    --bg:#F6F5FB;
    --card:#FFFFFF;
    --soft:#EFEDF8;
    --line:#E7E5F2;
    --dark:#14101F;
    --dark-2:#1F1930;
    --dark-text:#F6F5FB;
    --dark-text-2:#C9C6DE;
    --r-lg:18px;
    --r-md:14px;
    --r-sm:12px;
    --sh:0 1px 2px rgba(20,16,31,.06);
    --sh-hover:0 14px 34px -14px rgba(106,75,255,.28);
    --t:200ms cubic-bezier(.4,0,.2,1);
    --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  }

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

  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }

  img{max-width:100%;display:block}
  a{text-decoration:none;color:inherit}
  h1,h2,h3,h4{margin:0;line-height:1.3}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  button,input,select,textarea{font-family:inherit;font-size:inherit}

  .mono{font-family:var(--mono);letter-spacing:-.01em}

  .container-x{
    width:100%;
    max-width:1240px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:1024px){
    .container-x{padding-left:32px;padding-right:32px}
  }

  /* ============ 导航 ============ */
  .nav-shell{
    display:flex;
    align-items:center;
    gap:14px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:9px 12px 9px 16px;
    box-shadow:var(--sh);
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:16px;
    font-weight:800;
    color:var(--ink);
    white-space:nowrap;
    flex:0 0 auto;
  }
  .brand-mark{
    width:34px;
    height:34px;
    border-radius:11px;
    background:var(--brand);
    color:#fff;
    display:grid;
    place-items:center;
    font-size:16px;
    font-weight:800;
    flex:0 0 auto;
  }
  .nav-items{
    display:flex;
    align-items:center;
    gap:6px;
    flex:1 1 auto;
    overflow-x:auto;
    scrollbar-width:none;
  }
  .nav-items::-webkit-scrollbar{display:none}
  .nav-link{
    display:inline-flex;
    align-items:center;
    gap:8px;
    height:44px;
    padding:0 13px;
    border-radius:var(--r-sm);
    border:1px solid transparent;
    color:var(--ink-2);
    font-size:13.5px;
    font-weight:500;
    white-space:nowrap;
    transition:var(--t);
  }
  .nav-link svg{flex:0 0 auto}
  .nav-link:hover{background:var(--soft);color:var(--ink)}
  .nav-link:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
  .nav-link.is-active{
    color:var(--brand);
    font-weight:600;
    border-color:rgba(106,75,255,.35);
    background:rgba(106,75,255,.06);
  }
  .nav-cta{flex:0 0 auto}
  .nav-toggle{
    display:none;
    width:44px;
    height:44px;
    border-radius:var(--r-sm);
    border:1px solid var(--line);
    background:#fff;
    color:var(--ink);
    place-items:center;
    cursor:pointer;
    flex:0 0 auto;
    transition:var(--t);
  }
  .nav-toggle:hover{background:var(--soft)}
  .nav-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

  @media (max-width:1023px){
    .nav-items{display:none}
    .nav-toggle{display:grid}
    .nav-shell{justify-content:space-between}
  }
  @media (max-width:639px){
    .nav-cta{display:none}
  }

  /* 移动抽屉 */
  .drawer{position:fixed;inset:0;z-index:90;display:none}
  .drawer.is-open{display:block}
  .drawer-mask{position:absolute;inset:0;background:rgba(20,16,31,.55)}
  .drawer-panel{
    position:absolute;
    top:12px;right:12px;bottom:12px;
    width:min(340px,calc(100% - 24px));
    background:#fff;
    border-radius:var(--r-lg);
    padding:16px;
    display:flex;
    flex-direction:column;
    gap:8px;
    overflow-y:auto;
    box-shadow:0 24px 60px -20px rgba(20,16,31,.5);
  }
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}
  .drawer-close{
    width:44px;height:44px;border-radius:var(--r-sm);
    border:1px solid var(--line);background:#fff;color:var(--ink-2);
    display:grid;place-items:center;cursor:pointer;transition:var(--t);
  }
  .drawer-close:hover{background:var(--soft)}
  .drawer-link{
    display:flex;align-items:center;gap:10px;
    min-height:48px;padding:0 14px;
    border:1px solid var(--line);
    border-radius:var(--r-sm);
    color:var(--ink-2);
    font-size:14px;
    transition:var(--t);
  }
  .drawer-link:hover{background:var(--soft);color:var(--ink)}
  .drawer-link.is-active{border-color:var(--brand);color:var(--brand);background:rgba(106,75,255,.06);font-weight:600}
  .drawer-foot{margin-top:auto;padding-top:12px}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:44px;
    padding:0 20px;
    border-radius:var(--r-sm);
    border:1px solid transparent;
    font-size:14.5px;
    font-weight:600;
    cursor:pointer;
    transition:var(--t);
    white-space:nowrap;
  }
  .btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
  .btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}
  .btn-primary:hover{background:var(--brand-deep);border-color:var(--brand-deep);box-shadow:var(--sh-hover)}
  .btn-primary:active{transform:translateY(1px);box-shadow:none}
  .btn-ghost{background:#fff;color:var(--brand);border-color:rgba(106,75,255,.45)}
  .btn-ghost:hover{background:rgba(106,75,255,.06);border-color:var(--brand)}
  .btn-ghost:active{transform:translateY(1px)}
  .btn-block{width:100%}

  .link-arrow{
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:var(--brand);
    font-size:14px;
    font-weight:600;
    transition:var(--t);
  }
  .link-arrow:hover{color:var(--brand-deep);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}

  .pill{
    display:inline-flex;
    align-items:center;
    gap:8px;
    height:30px;
    padding:0 14px;
    border-radius:999px;
    background:rgba(106,75,255,.1);
    color:var(--brand);
    font-size:13px;
    font-weight:600;
  }
  .pill::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand)}
  .chip{
    display:inline-flex;
    align-items:center;
    height:26px;
    padding:0 10px;
    border-radius:999px;
    background:var(--soft);
    color:var(--ink-2);
    font-size:12.5px;
    white-space:nowrap;
  }
  .chip-accent{background:rgba(15,227,194,.14);color:#0A9D87}

  /* ============ 板块通用 ============ */
  .section{padding:64px 0}
  @media (min-width:768px){.section{padding:96px 0}}
  .section-soft{background:var(--soft)}
  .sec-head{max-width:760px;margin-bottom:32px}
  .sec-head h2,
  .h2-strip{
    position:relative;
    padding-left:16px;
    font-size:clamp(24px,2.8vw,34px);
    font-weight:700;
    color:var(--ink);
    margin-bottom:14px;
  }
  .sec-head h2::before,
  .h2-strip::before{
    content:"";
    position:absolute;
    left:0;top:.26em;bottom:.26em;
    width:5px;
    border-radius:3px;
    background:var(--brand);
  }
  .sec-head p{color:var(--ink-2);font-size:15.5px;max-width:680px}

  /* ============ 首屏 ============ */
  .page-hero{position:relative;padding:34px 0 10px;overflow:hidden}
  .page-hero::before{
    content:"";
    position:absolute;inset:0;
    background-image:radial-gradient(rgba(106,75,255,.18) 1px,transparent 1px);
    background-size:18px 18px;
    -webkit-mask-image:linear-gradient(180deg,#000,transparent 82%);
    mask-image:linear-gradient(180deg,#000,transparent 82%);
    pointer-events:none;
  }
  .page-hero > .container-x{position:relative;z-index:1}

  .crumb{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--ink-3);
    margin-bottom:18px;
    white-space:nowrap;
    overflow-x:auto;
  }
  .crumb a{color:var(--ink-3);transition:var(--t)}
  .crumb a:hover{color:var(--brand)}
  .crumb .sep{color:#C7C4D8}

  .hero-grid{display:grid;gap:32px}
  @media (min-width:1024px){
    .hero-grid{grid-template-columns:1fr 1fr;gap:52px;align-items:center}
  }

  .page-hero h1{
    font-size:clamp(30px,4.4vw,52px);
    font-weight:800;
    line-height:1.15;
    letter-spacing:-.01em;
    margin:18px 0 16px;
    color:var(--ink);
  }
  .lead{
    font-size:clamp(15px,1.6vw,17px);
    color:var(--ink-2);
    max-width:560px;
    margin-bottom:26px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
  @media (max-width:639px){
    .hero-actions{flex-direction:column}
    .hero-actions .btn{width:100%}
  }

  .hero-mini{
    display:flex;
    flex-wrap:wrap;
    gap:26px;
    border-top:1px solid var(--line);
    padding-top:20px;
  }
  .hero-mini li{display:flex;flex-direction:column;gap:2px;min-width:96px}
  .hero-mini .num{font-family:var(--mono);font-size:22px;font-weight:800;color:var(--ink);line-height:1.2}
  .hero-mini .cap{font-size:12.5px;color:var(--ink-3)}

  .hero-media{
    position:relative;
    border-radius:var(--r-lg);
    overflow:hidden;
    border:1px solid var(--line);
    background:var(--soft);
    aspect-ratio:16/10;
  }
  .hero-media img{width:100%;height:100%;object-fit:cover}
  .hero-media::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(200deg,rgba(20,16,31,.55),rgba(20,16,31,.05) 58%,rgba(20,16,31,.35));
  }
  .hud{
    position:absolute;
    width:18px;height:18px;
    border:0 solid var(--teal);
    z-index:2;
  }
  .hud-tl{top:12px;left:12px;border-top-width:2px;border-left-width:2px}
  .hud-tr{top:12px;right:12px;border-top-width:2px;border-right-width:2px}
  .hud-bl{bottom:12px;left:12px;border-bottom-width:2px;border-left-width:2px}
  .hud-br{bottom:12px;right:12px;border-bottom-width:2px;border-right-width:2px}

  .float-card{
    position:absolute;
    left:16px;bottom:16px;
    z-index:3;
    display:flex;
    align-items:center;
    gap:12px;
    background:#fff;
    border-radius:var(--r-sm);
    padding:10px 16px;
    box-shadow:0 14px 34px -14px rgba(20,16,31,.45);
  }
  .float-card .fc-num{font-family:var(--mono);font-size:19px;font-weight:800;color:var(--brand);line-height:1.1}
  .float-card .fc-cap{font-size:12px;color:var(--ink-2);line-height:1.35}

  /* ============ 深色指标面板 ============ */
  .panel-dark{
    position:relative;
    overflow:hidden;
    background:var(--dark);
    border-radius:var(--r-lg);
    padding:34px 24px;
  }
  @media (min-width:768px){.panel-dark{padding:44px 40px}}
  .panel-dark::before{
    content:"";
    position:absolute;inset:0;
    background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);
    background-size:20px 20px;
    pointer-events:none;
  }
  .panel-dark > *{position:relative;z-index:1}
  .panel-label{
    display:inline-flex;
    align-items:center;
    gap:8px;
    color:var(--teal);
    font-size:13px;
    font-weight:600;
    letter-spacing:.06em;
    margin-bottom:12px;
  }
  .panel-label::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--teal)}
  .panel-title{
    color:var(--dark-text);
    font-size:clamp(22px,2.6vw,30px);
    font-weight:700;
    line-height:1.35;
    max-width:780px;
    margin-bottom:30px;
  }
  .stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
  @media (max-width:767px){.stat-grid{grid-template-columns:repeat(2,1fr)}}
  .stat-card{
    background:var(--dark-2);
    border:1px solid rgba(255,255,255,.08);
    border-radius:var(--r-md);
    padding:20px 18px;
  }
  .stat-line{display:flex;align-items:baseline;gap:4px;flex-wrap:nowrap}
  .stat-num{
    font-family:var(--mono);
    font-size:clamp(26px,3.4vw,40px);
    font-weight:800;
    letter-spacing:-.02em;
    color:var(--dark-text);
    line-height:1.1;
    white-space:nowrap;
  }
  .stat-unit{font-size:13.5px;color:var(--dark-text-2);white-space:nowrap}
  .stat-label{font-size:13.5px;color:var(--dark-text-2);margin-top:8px;line-height:1.5}
  .stat-delta{font-family:var(--mono);font-size:12.5px;margin-top:12px}
  .up{color:var(--teal)}
  .down{color:var(--coral)}
  .flat{color:#8F8AA8}

  /* ============ 时间轴 ============ */
  .tl{position:relative}
  .tl::before{
    content:"";
    position:absolute;
    left:92px;top:8px;bottom:8px;
    width:2px;
    border-radius:2px;
    background:linear-gradient(180deg,rgba(106,75,255,.55),rgba(15,227,194,.4) 62%,rgba(106,75,255,0));
  }
  .tl-item{
    position:relative;
    display:grid;
    grid-template-columns:92px 1fr;
    gap:28px;
    padding-bottom:32px;
  }
  .tl-item:last-child{padding-bottom:0}
  .tl-item::after{
    content:"";
    position:absolute;
    left:88px;top:22px;
    width:11px;height:11px;
    border-radius:50%;
    background:var(--brand);
    box-shadow:0 0 0 4px rgba(106,75,255,.14);
  }
  .tl-meta{padding-top:14px;text-align:right}
  .tl-date{
    display:block;
    font-family:var(--mono);
    font-size:15px;
    font-weight:800;
    color:var(--brand);
    letter-spacing:-.01em;
    line-height:1.3;
  }
  .tl-tag{display:block;font-size:12.5px;color:var(--ink-3);margin-top:4px}

  .tl-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:22px 24px;
    box-shadow:var(--sh);
    transition:var(--t);
  }
  .tl-card:hover{
    transform:translateY(-3px);
    border-color:rgba(106,75,255,.32);
    box-shadow:var(--sh-hover);
  }
  .tl-card h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:10px}
  .tl-card > p{color:var(--ink-2);font-size:15px;margin-bottom:16px}
  .tl-foot{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
  .tl-foot .link-arrow{margin-left:auto}

  @media (max-width:767px){
    .tl::before{left:15px;top:6px;bottom:6px}
    .tl-item{grid-template-columns:1fr;gap:10px;padding-left:36px;padding-bottom:24px}
    .tl-item::after{left:10px;top:8px}
    .tl-meta{display:flex;align-items:center;gap:10px;text-align:left;padding-top:0}
    .tl-tag{margin-top:0}
    .tl-card{padding:18px}
    .tl-foot .link-arrow{margin-left:0}
  }

  /* ============ 图文分栏 ============ */
  .split{display:grid;gap:32px}
  @media (min-width:1024px){
    .split{grid-template-columns:1fr 1fr;gap:56px;align-items:center}
  }
  .split-media{
    border-radius:var(--r-lg);
    overflow:hidden;
    border:1px solid var(--line);
    background:var(--soft);
    aspect-ratio:16/10;
  }
  .split-media img{width:100%;height:100%;object-fit:cover}

  .check-list{display:grid;gap:14px;margin-top:24px}
  .check-list li{
    display:flex;
    gap:12px;
    align-items:flex-start;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-md);
    padding:14px 16px;
    font-size:15px;
    color:var(--ink-2);
    box-shadow:var(--sh);
    transition:var(--t);
  }
  .check-list li:hover{border-color:rgba(106,75,255,.3)}
  .check-list .tick{
    flex:0 0 auto;
    width:22px;height:22px;
    border-radius:7px;
    background:rgba(15,227,194,.16);
    color:#0A9D87;
    display:grid;
    place-items:center;
    font-family:var(--mono);
    font-size:13px;
    font-weight:800;
    margin-top:3px;
  }

  /* ============ 信息卡网格 ============ */
  .card-grid{display:grid;gap:22px}
  @media (min-width:768px){.card-grid.cols-3{grid-template-columns:repeat(3,1fr)}}
  .info-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:26px 24px;
    box-shadow:var(--sh);
    transition:var(--t);
    display:flex;
    flex-direction:column;
    gap:12px;
  }
  .info-card:hover{
    transform:translateY(-4px);
    border-color:rgba(106,75,255,.32);
    box-shadow:var(--sh-hover);
  }
  .info-icon{
    width:46px;height:46px;
    border-radius:var(--r-md);
    background:rgba(106,75,255,.1);
    color:var(--brand);
    display:grid;
    place-items:center;
  }
  .info-card h3{font-size:18px;font-weight:700;color:var(--ink)}
  .info-card p{font-size:14.8px;color:var(--ink-2)}
  .info-card .link-arrow{margin-top:auto}

  /* ============ FAQ ============ */
  .faq{display:grid;gap:12px;max-width:900px}
  .faq-item{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:0 22px;
    transition:var(--t);
  }
  .faq-item[open]{
    border-color:rgba(106,75,255,.4);
    box-shadow:var(--sh-hover);
  }
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:18px 0;
    font-size:16px;
    font-weight:600;
    color:var(--ink);
    min-height:44px;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
  .faq-ic{
    flex:0 0 auto;
    width:28px;height:28px;
    border-radius:9px;
    background:var(--soft);
    color:var(--brand);
    display:grid;
    place-items:center;
    font-family:var(--mono);
    font-weight:800;
    font-size:15px;
    transition:var(--t);
  }
  .faq-item[open] .faq-ic{background:var(--brand);color:#fff}
  .faq-body{
    padding:0 0 20px;
    color:var(--ink-2);
    font-size:15px;
    line-height:1.8;
    max-width:74ch;
  }

  /* ============ 转化区 ============ */
  .cta-grid{display:grid;gap:32px}
  @media (min-width:1024px){
    .cta-grid{grid-template-columns:5fr 7fr;gap:52px;align-items:start}
  }
  .cta-info h2{
    position:relative;
    padding-left:16px;
    font-size:clamp(24px,2.8vw,34px);
    font-weight:700;
    margin-bottom:14px;
  }
  .cta-info h2::before{
    content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:5px;border-radius:3px;background:var(--brand);
  }
  .cta-info > p{color:var(--ink-2);font-size:15.5px;margin-bottom:22px}
  .trust-list{display:grid;gap:12px;margin-bottom:24px}
  .trust-list li{
    display:flex;gap:10px;align-items:flex-start;
    font-size:14.5px;color:var(--ink-2);
  }
  .trust-list li::before{
    content:"";
    flex:0 0 auto;
    width:8px;height:8px;
    border-radius:2px;
    background:var(--brand);
    margin-top:9px;
  }
  .contact-line{
    border-top:1px solid var(--line);
    padding-top:18px;
    font-size:14px;
    color:var(--ink-2);
    display:flex;
    flex-wrap:wrap;
    gap:6px 18px;
  }
  .contact-line a{color:var(--brand);font-weight:600}
  .contact-line a:hover{text-decoration:underline;text-underline-offset:4px}

  .form-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:28px 24px;
    box-shadow:var(--sh);
  }
  @media (min-width:768px){.form-card{padding:32px}}

  .field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
  .field label{font-size:14px;font-weight:600;color:var(--ink)}
  .req{color:var(--coral);margin-left:2px}
  .field input,
  .field select,
  .field textarea{
    width:100%;
    min-height:44px;
    padding:0 14px;
    border-radius:var(--r-sm);
    border:1px solid var(--line);
    background:#fff;
    color:var(--ink);
    font-size:14.5px;
    transition:var(--t);
  }
  .field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-3) 50%),linear-gradient(135deg,var(--ink-3) 50%,transparent 50%);background-position:calc(100% - 20px) 19px,calc(100% - 15px) 19px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:40px}
  .field textarea{min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
  .field input:focus,
  .field select:focus,
  .field textarea:focus{
    outline:none;
    border-color:var(--brand);
    box-shadow:0 0 0 2px rgba(106,75,255,.18);
  }
  .field input::placeholder,
  .field textarea::placeholder{color:#A9A6BC}

  .privacy{font-size:12.5px;color:var(--ink-3);line-height:1.7;margin:4px 0 18px}
  .form-ok{
    margin-top:16px;
    display:flex;
    align-items:flex-start;
    gap:10px;
    background:rgba(15,227,194,.12);
    border:1px solid rgba(15,227,194,.4);
    border-radius:var(--r-sm);
    padding:12px 14px;
    font-size:14px;
    color:#0A7C6C;
  }
  .form-ok[hidden]{display:none}

  /* ============ 页脚 ============ */
  .foot{background:var(--dark);color:var(--dark-text)}
  .foot-title{color:#fff;font-size:14px;font-weight:700;letter-spacing:.02em}
  .foot a{color:var(--dark-text-2);font-size:14px;transition:var(--t)}
  .foot a:hover{color:var(--teal)}
  .foot-sep{border-top:1px solid rgba(255,255,255,.08)}
  .foot .brand{color:var(--dark-text)}

/* roulang page: category4 */
:root{
  --brand:#6A4BFF;
  --brand-soft:rgba(106,75,255,.10);
  --cyan:#0FE3C2;
  --cyan-ink:#0A8C79;
  --coral:#FF5C39;
  --bg:#F6F5FB;
  --card:#FFFFFF;
  --soft:#EFEDF8;
  --line:#E7E5F2;
  --ink:#16151F;
  --ink-2:#4A4860;
  --ink-3:#8A87A0;
  --panel:#14101F;
  --panel-2:#1F1930;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(20,16,31,.06);
  --sh-2:0 14px 34px -14px rgba(106,75,255,.28);
  --t:220ms cubic-bezier(.4,0,.2,1);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
body.lock{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,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(--brand);outline-offset:2px;border-radius:8px}
.mono{font-family:var(--font-mono)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container-x{padding:0 32px}}

/* ---------- 导航 ---------- */
.nav-shell{
  position:relative;
  display:flex;
  align-items:center;
  gap:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:10px 14px;
  box-shadow:var(--sh-1);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:16px;
  letter-spacing:-.01em;
  white-space:nowrap;
  flex:0 0 auto;
}
.brand-mark{
  width:34px;height:34px;
  border-radius:10px;
  display:grid;place-items:center;
  font-size:16px;font-weight:800;
  color:#fff;
  background:linear-gradient(135deg,#6A4BFF,#9E8BFF);
  box-shadow:0 8px 18px -10px rgba(106,75,255,.95);
  flex:0 0 auto;
}
.nav-items{display:none}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:44px;
  padding:0 10px;
  border-radius:var(--r-sm);
  font-size:13px;
  color:var(--ink-2);
  border:1px solid transparent;
  transition:var(--t);
  white-space:nowrap;
  flex:0 0 auto;
}
.nav-link svg{flex:0 0 auto;opacity:.9}
.nav-link:hover{background:var(--soft);color:var(--ink)}
.nav-link.is-active{
  color:var(--brand);
  background:var(--brand-soft);
  border-color:rgba(106,75,255,.35);
  font-weight:600;
}
.nav-cta{display:none}
.burger{
  margin-left:auto;
  width:44px;height:44px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:#fff;
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  cursor:pointer;
  transition:var(--t);
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-2);transition:var(--t)}
.burger:hover{background:var(--soft)}
@media (min-width:1024px){
  .nav-items{
    display:flex;
    align-items:center;
    justify-content:flex-end;
    gap:4px;
    margin-left:auto;
    overflow-x:auto;
    scrollbar-width:none;
  }
  .nav-items::-webkit-scrollbar{display:none}
  .nav-cta{display:inline-flex}
  .burger{display:none}
}

/* 抽屉 */
.drawer{
  position:fixed;
  inset:0;
  z-index:80;
  background:rgba(20,16,31,.55);
  opacity:0;
  visibility:hidden;
  transition:var(--t);
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;
  top:0;right:0;bottom:0;
  width:min(380px,88vw);
  background:var(--bg);
  padding:20px;
  overflow-y:auto;
  transform:translateX(100%);
  transition:transform var(--t);
  display:flex;
  flex-direction:column;
  gap:10px;
}
.drawer.is-open .drawer-panel{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}
.drawer-link{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:52px;
  padding:0 14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  font-size:14px;
  color:var(--ink-2);
  transition:var(--t);
}
.drawer-link:hover{background:var(--soft)}
.drawer-link.is-active{color:var(--brand);border-color:rgba(106,75,255,.4);background:var(--brand-soft);font-weight:600}
.drawer-close{
  width:40px;height:40px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
  line-height:1;
  font-size:18px;
  color:var(--ink-2);
}
.drawer-foot{margin-top:auto;padding-top:16px}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  font-size:14.5px;
  font-weight:600;
  cursor:pointer;
  transition:var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 26px -14px rgba(106,75,255,.95)}
.btn-primary:hover{filter:brightness(1.06)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(106,75,255,.42)}
.btn-ghost:hover{background:var(--brand-soft)}
.btn-ghost:active{transform:translateY(1px)}
.btn-accent{background:var(--coral);color:#fff}
.btn-accent:hover{filter:brightness(1.05)}
.btn-accent:active{transform:translateY(1px)}
.btn-sm{height:36px;padding:0 14px;font-size:13.5px}

.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  background:var(--brand-soft);
  color:var(--brand);
}
.pill-cyan{background:rgba(15,227,194,.16);color:var(--cyan-ink)}
.pill-coral{background:rgba(255,92,57,.13);color:#C93C1B}
.pill-dark{background:rgba(255,255,255,.10);color:#0FE3C2}

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  transition:var(--t);
}
.card:hover{transform:translateY(-3px);border-color:rgba(106,75,255,.30);box-shadow:var(--sh-2)}

.card-pad{padding:24px}
@media (min-width:768px){.card-pad{padding:28px}}

.sec-title{
  position:relative;
  padding-left:16px;
  font-size:clamp(24px,2.8vw,34px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
}
.sec-title::before{
  content:"";
  position:absolute;
  left:0;top:.16em;bottom:.16em;
  width:4px;
  border-radius:4px;
  background:var(--brand);
}
.sec-sub{color:var(--ink-2);font-size:15px;line-height:1.8;margin-top:10px}

.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-3);
  white-space:nowrap;
  overflow-x:auto;
  scrollbar-width:none;
  padding:14px 0;
}
.crumb::-webkit-scrollbar{display:none}
.crumb a{transition:var(--t)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C6C3D8}

/* ---------- Hero ---------- */
.page-hero{padding-top:6px}
.hero-title{
  font-size:clamp(30px,4.4vw,52px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.02em;
  margin-top:16px;
}
.hero-lead{
  font-size:16px;
  color:var(--ink-2);
  line-height:1.8;
  margin-top:14px;
  max-width:620px;
}
.hero-media{
  position:relative;
  border-radius:22px;
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--soft);
  box-shadow:var(--sh-1);
}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-media .hud{position:absolute;inset:12px;pointer-events:none;border-radius:14px}
.hud::before,.hud::after{
  content:"";
  position:absolute;
  width:24px;height:24px;
  border:2px solid rgba(255,255,255,.8);
}
.hud::before{left:0;top:0;border-right:0;border-bottom:0;border-radius:8px 0 0 0}
.hud::after{right:0;bottom:0;border-left:0;border-top:0;border-radius:0 0 8px 0}
.float-card{
  position:absolute;
  right:14px;bottom:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:10px 14px;
  box-shadow:0 16px 34px -18px rgba(20,16,31,.5);
  display:flex;
  flex-direction:column;
  gap:2px;
}
.float-num{
  font-family:var(--font-mono);
  font-weight:800;
  font-size:20px;
  letter-spacing:-.02em;
  color:var(--brand);
  line-height:1.2;
}
.float-lab{font-size:12px;color:var(--ink-3)}
.metrics{display:flex;flex-wrap:wrap;gap:28px;margin-top:28px}
.metric-num{
  font-family:var(--font-mono);
  font-weight:800;
  font-size:clamp(20px,2.4vw,28px);
  letter-spacing:-.02em;
  line-height:1.2;
}
.metric-lab{font-size:12.5px;color:var(--ink-3)}
.up{color:var(--cyan-ink)}

/* ---------- 对比矩阵 ---------- */
.cmp-wrap{
  display:none;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
@media (min-width:768px){.cmp-wrap{display:block}}
table.cmp{width:100%;border-collapse:collapse;font-size:14.5px}
.cmp thead th{
  background:var(--panel);
  color:#F6F5FB;
  font-weight:700;
  font-size:14px;
  padding:16px;
  text-align:center;
  letter-spacing:.01em;
}
.cmp thead th:first-child{text-align:left;width:26%}
.cmp thead th.col-hl{background:#241C3D}
.cmp tbody th{
  padding:0 16px;
  height:52px;
  text-align:left;
  font-weight:600;
  color:var(--ink);
  border-top:1px solid var(--line);
  font-size:14.5px;
}
.cmp tbody td{
  padding:0 16px;
  height:52px;
  text-align:center;
  color:var(--ink-2);
  border-top:1px solid var(--line);
}
.cmp tbody tr:nth-child(even) th,
.cmp tbody tr:nth-child(even) td{background:#FAF9FE}
.cmp tbody td.col-hl,
.cmp tbody tr:nth-child(even) td.col-hl{background:rgba(106,75,255,.07);color:var(--ink);font-weight:600}
.tag{
  display:inline-block;
  margin-left:6px;
  padding:1px 7px;
  border-radius:999px;
  font-size:11px;
  font-weight:700;
  background:var(--cyan);
  color:#04352D;
  vertical-align:middle;
}
.mk-yes{color:var(--cyan-ink);font-weight:700}
.mk-no{color:var(--ink-3)}

.cmp-cards{display:grid;gap:12px}
@media (min-width:768px){.cmp-cards{display:none}}
.cmp-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:18px;box-shadow:var(--sh-1)}
.cmp-card-title{font-size:15px;font-weight:700;color:var(--ink)}
.cmp-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px dashed var(--line);font-size:13.5px}
.cmp-row:first-of-type{border-top:0;margin-top:6px;padding-top:10px}
.cmp-row .k{color:var(--ink-3)}
.cmp-row .v{font-weight:600;color:var(--ink);text-align:right}
.cmp-row.is-hl .v{color:var(--brand)}

/* ---------- 结论条 ---------- */
.conclusion{
  background:var(--panel);
  border-radius:22px;
  padding:30px;
  display:flex;
  flex-direction:column;
  gap:20px;
  color:#F6F5FB;
}
@media (min-width:900px){
  .conclusion{flex-direction:row;align-items:center;justify-content:space-between;padding:36px 40px}
}
.conclusion h2{
  font-size:clamp(20px,2.2vw,26px);
  font-weight:700;
  line-height:1.35;
  margin-top:12px;
  color:#F6F5FB;
}
.conclusion p{color:#C9C6DE;font-size:14.5px;margin-top:8px;max-width:680px}

/* ---------- 要点卡 ---------- */
.img-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md);border:1px solid var(--line)}
.checks{margin-top:16px;display:grid;gap:10px}
.checks li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);line-height:1.7}
.checks li::before{
  content:"";
  flex:0 0 auto;
  width:8px;height:8px;
  margin-top:9px;
  border-radius:2px;
  background:var(--brand);
  transform:rotate(45deg);
}
.checks.cyan li::before{background:var(--cyan)}
.card-title{font-size:18px;font-weight:700;line-height:1.4}

/* ---------- 流程 ---------- */
.flow{display:grid;gap:16px;margin-top:32px}
@media (min-width:768px){.flow{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.flow{grid-template-columns:repeat(4,1fr)}}
.step{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
  box-shadow:var(--sh-1);
  transition:var(--t);
  position:relative;
  overflow:hidden;
}
.step:hover{transform:translateY(-3px);border-color:rgba(106,75,255,.3);box-shadow:var(--sh-2)}
.step-num{
  font-family:var(--font-mono);
  font-size:26px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--brand);
  line-height:1.1;
}
.step h3{font-size:16px;font-weight:700;margin-top:10px}
.step p{font-size:14px;color:var(--ink-2);margin-top:8px;line-height:1.75}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;margin-top:28px}
details.faq{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:0 20px;
  box-shadow:var(--sh-1);
  transition:var(--t);
}
details.faq[open]{border-color:rgba(106,75,255,.45);box-shadow:var(--sh-2)}
details.faq summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 0;
  font-size:15.5px;
  font-weight:600;
  color:var(--ink);
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{
  content:"+";
  font-family:var(--font-mono);
  font-size:20px;
  font-weight:700;
  color:var(--brand);
  line-height:1;
  transition:var(--t);
}
details.faq[open] summary::after{content:"−"}
details.faq .faq-body{
  padding:0 0 18px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
  border-top:1px solid var(--line);
  padding-top:14px;
}

/* ---------- 表单 ---------- */
.assist-wrap{
  background:#fff;
  border:1px solid var(--line);
  border-radius:22px;
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.trust{margin-top:18px;display:grid;gap:10px}
.trust li{display:flex;gap:10px;font-size:14px;color:var(--ink-2)}
.trust li::before{
  content:"";
  flex:0 0 auto;
  width:16px;height:16px;
  margin-top:5px;
  border-radius:5px;
  background:var(--brand-soft);
  border:1px solid rgba(106,75,255,.35);
}
.form-grid{display:grid;gap:16px}
@media (min-width:640px){.form-grid{grid-template-columns:repeat(2,1fr)}.form-grid .full{grid-column:1 / -1}}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-2)}
.req{color:var(--coral)}
.input{
  width:100%;
  height:44px;
  padding:0 14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  font-size:14.5px;
  color:var(--ink);
  transition:var(--t);
}
textarea.input{height:auto;min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical}
.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(106,75,255,.18)}
.input::placeholder{color:#A9A6BC}
.hint{font-size:12.5px;color:var(--ink-3);line-height:1.7}
.form-note{
  display:flex;
  gap:10px;
  font-size:12.5px;
  color:var(--ink-3);
  line-height:1.7;
  background:var(--soft);
  border-radius:var(--r-sm);
  padding:12px 14px;
}

/* ---------- 页脚 ---------- */
.foot{background:var(--panel);color:#F6F5FB}
.foot-title{font-size:14px;font-weight:700;letter-spacing:.02em;color:#F6F5FB}
.foot a{color:#C9C6DE;transition:var(--t)}
.foot a:hover{color:#fff}
.foot-sep{border-top:1px solid rgba(255,255,255,.08)}

@media (max-width:767px){
  .metrics{gap:20px}
  .hero-media img{aspect-ratio:16/11}
}

/* roulang page: category5 */
:root{
  --primary:#6A4BFF;
  --primary-soft:#F1EEFF;
  --cyan:#0FE3C2;
  --coral:#FF5C39;
  --ink:#16151F;
  --ink-2:#4A4860;
  --ink-3:#8A87A0;
  --bg:#F6F5FB;
  --panel:#FFFFFF;
  --panel-soft:#EFEDF8;
  --line:#E7E5F2;
  --dark:#14101F;
  --dark-2:#1F1930;
  --r-lg:18px;
  --r-md:12px;
  --shadow-1:0 1px 2px rgba(20,16,31,.06);
  --shadow-2:0 14px 34px -14px rgba(106,75,255,.28);
  --t:220ms cubic-bezier(.4,0,.2,1);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::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:var(--font-sans);font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container-x{padding:0 32px}}

/* ---------- 导航 ---------- */
.nav-shell{
  display:flex;align-items:center;gap:14px;
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:10px 14px;box-shadow:var(--shadow-1);
}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:15.5px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#6A4BFF 0%,#8B72FF 60%,#0FE3C2 140%);
  color:#fff;font-size:16px;font-weight:800;
  box-shadow:0 6px 16px -8px rgba(106,75,255,.7);
}
.nav-items{display:none;align-items:center;gap:6px;margin-left:auto;flex-wrap:nowrap}
.nav-link{
  display:inline-flex;align-items:center;gap:7px;height:42px;padding:0 12px;
  border-radius:var(--r-md);border:1px solid transparent;
  font-size:13.5px;color:var(--ink-2);white-space:nowrap;
  transition:background var(--t),color var(--t),border-color var(--t);
}
.nav-link svg{flex:none;opacity:.85}
.nav-link:hover{background:var(--panel-soft);color:var(--ink)}
.nav-link.is-active{color:var(--primary);background:var(--primary-soft);border-color:rgba(106,75,255,.35);font-weight:600}
.nav-cta{
  display:none;align-items:center;justify-content:center;height:42px;padding:0 18px;
  border-radius:var(--r-md);background:var(--primary);color:#fff;
  font-size:14px;font-weight:600;white-space:nowrap;margin-left:10px;
  transition:filter var(--t),transform var(--t),box-shadow var(--t);
}
.nav-cta:hover{filter:brightness(1.06);box-shadow:var(--shadow-2)}
.nav-cta:active{transform:translateY(1px)}
.nav-burger{
  margin-left:auto;width:44px;height:44px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--panel);
  display:inline-flex;align-items:center;justify-content:center;gap:4px;flex-direction:column;
}
.nav-burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform var(--t),opacity var(--t)}
.nav-burger.is-active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-burger.is-active span:nth-child(2){opacity:0}
.nav-burger.is-active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media (min-width:1180px){
  .nav-items{display:flex}
  .nav-cta{display:inline-flex}
  .nav-burger{display:none}
}
.drawer{
  position:fixed;inset:0;z-index:60;background:rgba(20,16,31,.5);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;left:12px;right:12px;top:12px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px;box-shadow:var(--shadow-2);
  transform:translateY(-10px);transition:transform var(--t);
}
.drawer.is-open .drawer-panel{transform:translateY(0)}
.drawer-item{
  display:flex;align-items:center;gap:10px;height:52px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-md);font-size:14.5px;color:var(--ink-2);
  margin-bottom:10px;background:#fff;
}
.drawer-item.is-active{color:var(--primary);border-color:rgba(106,75,255,.4);background:var(--primary-soft);font-weight:600}
.drawer-cta{
  display:flex;align-items:center;justify-content:center;height:48px;border-radius:var(--r-md);
  background:var(--primary);color:#fff;font-weight:600;font-size:15px;margin-top:6px;
}

/* ---------- 通用 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;
  border-radius:999px;background:var(--primary-soft);color:var(--primary);
  font-size:13px;font-weight:600;border:1px solid rgba(106,75,255,.18);
}
.pill-cyan{background:rgba(15,227,194,.12);color:#0B9E88;border-color:rgba(15,227,194,.35)}
.pill-coral{background:rgba(255,92,57,.1);color:#D63E1E;border-color:rgba(255,92,57,.28)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t),filter var(--t);
}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px;border-radius:10px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{filter:brightness(1.06);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--primary);border-color:rgba(106,75,255,.45)}
.btn-ghost:hover{background:var(--primary-soft)}
.btn-dark{background:transparent;color:#F6F5FB;border-color:rgba(255,255,255,.3)}
.btn-dark:hover{background:rgba(255,255,255,.1)}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600}
.link-more svg{transition:transform var(--t)}
.link-more:hover svg{transform:translateX(3px)}
.sec-title{display:flex;align-items:center;gap:12px;font-size:clamp(24px,2.8vw,34px);font-weight:700;line-height:1.25}
.sec-title::before{content:"";width:4px;height:24px;border-radius:2px;background:var(--primary);flex:none}
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-3);overflow-x:auto;white-space:nowrap;padding:4px 0}
.crumb a:hover{color:var(--primary)}
.crumb span.sep{color:#C9C6DE}

/* ---------- 页头区 ---------- */
.title-panel{
  position:relative;overflow:hidden;background:var(--panel);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 22px;margin-top:10px;box-shadow:var(--shadow-1);
}
@media (min-width:768px){.title-panel{padding:44px 40px}}
.title-panel::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(106,75,255,.16) 1px,transparent 1px);
  background-size:16px 16px;opacity:.55;
  -webkit-mask-image:linear-gradient(115deg,#000 0%,transparent 62%);
  mask-image:linear-gradient(115deg,#000 0%,transparent 62%);
}
.title-panel > *{position:relative;z-index:1}
.title-panel h1{
  font-size:clamp(30px,4.4vw,46px);font-weight:800;line-height:1.15;
  letter-spacing:-.015em;margin-top:16px;max-width:20em;
}
.title-panel .lead{margin-top:14px;color:var(--ink-2);font-size:16px;max-width:46em}
.mini-grid{display:grid;grid-template-columns:1fr;gap:12px;margin-top:26px}
@media (min-width:640px){.mini-grid{grid-template-columns:repeat(3,1fr)}}
.mini-card{
  border:1px solid var(--line);border-radius:var(--r-md);background:#fff;
  padding:14px 16px;
}
.mini-card .num{font-size:clamp(22px,2.6vw,30px);font-weight:800;color:var(--primary);line-height:1.1}
.mini-card .num small{font-size:13px;font-weight:700;margin-left:3px;color:var(--primary)}
.mini-card .lbl{font-size:13px;color:var(--ink-3);margin-top:6px}

/* ---------- 交替图文 ---------- */
.zig{display:grid;gap:26px;align-items:center}
@media (min-width:1024px){.zig{grid-template-columns:6fr 6fr;gap:54px}}
.zig + .zig{margin-top:44px;padding-top:44px;border-top:1px solid var(--line)}
@media (min-width:1024px){
  .zig + .zig{margin-top:56px;padding-top:56px}
  .zig.is-rev .zig-media{order:2}
  .zig.is-rev .zig-body{order:1}
}
.media-card{
  position:relative;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  background:var(--panel-soft);box-shadow:var(--shadow-1);
}
.media-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.media-card::after{
  content:"";position:absolute;inset:10px;border-radius:12px;pointer-events:none;
  background:
    linear-gradient(var(--cyan),var(--cyan)) left top/18px 2px no-repeat,
    linear-gradient(var(--cyan),var(--cyan)) left top/2px 18px no-repeat,
    linear-gradient(var(--cyan),var(--cyan)) right top/18px 2px no-repeat,
    linear-gradient(var(--cyan),var(--cyan)) right top/2px 18px no-repeat,
    linear-gradient(var(--cyan),var(--cyan)) left bottom/18px 2px no-repeat,
    linear-gradient(var(--cyan),var(--cyan)) left bottom/2px 18px no-repeat,
    linear-gradient(var(--cyan),var(--cyan)) right bottom/18px 2px no-repeat,
    linear-gradient(var(--cyan),var(--cyan)) right bottom/2px 18px no-repeat;
  opacity:.85;
}
.float-stat{
  position:absolute;right:14px;bottom:14px;z-index:2;
  background:rgba(20,16,31,.9);border:1px solid rgba(255,255,255,.12);
  border-radius:14px;padding:10px 14px;color:#F6F5FB;backdrop-filter:blur(2px);
}
.float-stat .v{font-size:20px;font-weight:800;line-height:1.1}
.float-stat .v small{font-size:12px;font-weight:600;color:var(--cyan);margin-left:3px}
.float-stat .t{font-size:11.5px;color:#C9C6DE;margin-top:3px}
.zig-body h3{font-size:20px;font-weight:700;line-height:1.35}
.zig-body p{margin-top:12px;color:var(--ink-2);font-size:15.5px}
.check-list{margin-top:18px;display:grid;gap:10px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink)}
.check-list .mk{
  width:20px;height:20px;flex:none;border-radius:6px;margin-top:4px;
  background:var(--primary-soft);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;
}
.zig-body .link-more{margin-top:18px}

/* ---------- 清单汇总 ---------- */
.sum-wrap{
  background:var(--panel-soft);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 22px;
}
@media (min-width:768px){.sum-wrap{padding:40px 36px}}
.sum-grid{display:grid;gap:20px;margin-top:28px}
@media (min-width:768px){.sum-grid{grid-template-columns:repeat(2,1fr)}}
.list-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px}
.list-card h3{font-size:16px;font-weight:700;display:flex;align-items:center;gap:8px}
.list-card h3 i{
  width:8px;height:8px;border-radius:2px;background:var(--cyan);display:inline-block;
}
.list-card ul{margin-top:14px;display:grid;gap:2px}
.list-card li{
  display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2);
  padding:11px 0;border-bottom:1px dashed var(--line);
}
.list-card li:last-child{border-bottom:0}
.list-card li .no{font-family:var(--font-mono);font-size:12.5px;color:var(--primary);font-weight:700;min-width:26px;padding-top:3px}

/* ---------- FAQ ---------- */
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:0 20px;transition:border-color var(--t),box-shadow var(--t);
}
.faq-item + .faq-item{margin-top:12px}
.faq-item[open]{border-color:rgba(106,75,255,.45);box-shadow:var(--shadow-2)}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-size:16px;font-weight:600;cursor:pointer;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-mark{
  position:relative;width:28px;height:28px;flex:none;border-radius:9px;
  border:1px solid rgba(106,75,255,.4);color:var(--primary);
  background:var(--primary-soft);transition:background var(--t),color var(--t),border-color var(--t);
}
.faq-mark::before,.faq-mark::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:currentColor;border-radius:2px;transition:transform var(--t),opacity var(--t);
}
.faq-mark::before{width:12px;height:2px}
.faq-mark::after{width:2px;height:12px}
.faq-item[open] .faq-mark{background:var(--primary);border-color:var(--primary);color:#fff}
.faq-item[open] .faq-mark::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-body{
  border-top:1px dashed var(--line);padding:14px 0 20px;
  font-size:15px;line-height:1.85;color:var(--ink-2);
}

/* ---------- CTA 面板 ---------- */
.cta-panel{
  position:relative;overflow:hidden;background:var(--dark);color:#F6F5FB;
  border-radius:var(--r-lg);padding:36px 22px;
}
@media (min-width:768px){.cta-panel{padding:52px 48px}}
.cta-panel::before{
  content:"";position:absolute;left:0;right:0;top:96px;height:1px;pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(15,227,194,.55),transparent);
}
.cta-panel::after{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(106,75,255,.55),transparent 68%);pointer-events:none;
}
.cta-panel > *{position:relative;z-index:1}
.cta-panel h2{font-size:clamp(22px,2.6vw,32px);font-weight:800;line-height:1.3;max-width:22em}
.cta-panel p{margin-top:12px;color:#C9C6DE;font-size:15.5px;max-width:44em}
.cta-actions{display:flex;flex-direction:column;gap:12px;margin-top:26px}
@media (min-width:640px){.cta-actions{flex-direction:row;flex-wrap:wrap}}
.cta-meta{display:grid;gap:12px;margin-top:32px;border-top:1px solid rgba(255,255,255,.1);padding-top:22px}
@media (min-width:768px){.cta-meta{grid-template-columns:repeat(3,1fr)}}
.cta-meta .m .v{font-family:var(--font-mono);font-size:20px;font-weight:800;color:#F6F5FB}
.cta-meta .m .k{font-size:12.5px;color:#8F8AA8;margin-top:4px}

/* ---------- 页脚 ---------- */
.foot{background:var(--dark);color:#F6F5FB}
.foot-title{font-size:13.5px;font-weight:700;color:#F6F5FB;letter-spacing:.02em}
.foot a{color:#C9C6DE;font-size:14px;transition:color var(--t)}
.foot a:hover{color:#fff}
.foot-sep{border-top:1px solid rgba(255,255,255,.08)}

@media (max-width:767px){
  body{font-size:15px;line-height:1.75}
  .zig-body p{font-size:15px}
}