/* roulang page: index */
:root{
  --brand:#7A3BFF;
  --brand-2:#FF3D9A;
  --lime:#2BE59B;
  --warm:#FF8A3D;
  --ink:#17102B;
  --paper:#FAF7FF;
  --card:#FFFFFF;
  --t1:#1A1429;
  --t2:#5C5473;
  --t3:#8C86A0;
  --line:#ECE6F7;
  --line-dark:rgba(255,255,255,.12);
  --r-sm:12px;
  --r-md:18px;
  --r-lg:26px;
  --r-xl:34px;
  --sh-card:0 8px 30px rgba(23,16,43,.08);
  --sh-hover:0 18px 48px rgba(23,16,43,.16);
  --sh-btn:0 12px 28px rgba(122,59,255,.35);
  --ease:cubic-bezier(.22,.61,.36,1);
  --grad:linear-gradient(120deg,#7A3BFF,#FF3D9A);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--paper);
  color:var(--t1);
  line-height:1.9;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(122,59,255,.18);}

/* 滚动条 */
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#F2EDFB;}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#7A3BFF,#FF3D9A);border-radius:999px;border:2px solid #F2EDFB;}

/* 容器 */
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:768px){.container-x{padding-left:32px;padding-right:32px;}}

/* 九宫格底纹 */
.grid-pattern{
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size:52px 52px;
}
.grid-pattern-light{
  background-image:
    linear-gradient(rgba(122,59,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122,59,255,.06) 1px, transparent 1px);
  background-size:44px 44px;
}

/* 浮动 Dock */
.dock-shell{
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border:1px solid var(--line);
  box-shadow:0 10px 34px rgba(23,16,43,.10);
  padding:10px 12px;
  transition:padding .26s var(--ease), box-shadow .26s var(--ease), border-color .26s var(--ease), background .26s var(--ease);
}
.dock-shell.is-scrolled{
  padding:6px 12px;
  box-shadow:0 16px 44px rgba(23,16,43,.18);
  border-color:#DED4F4;
  background:rgba(255,255,255,.94);
}
.dock-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:8px 14px;
  border-radius:999px;
  font-size:14px;
  color:var(--t2);
  white-space:nowrap;
  transition:color .22s var(--ease), background .22s var(--ease);
}
.dock-link:hover{color:var(--brand);background:rgba(122,59,255,.08);}
.dock-link.active{
  color:#fff;
  background:var(--grad);
  box-shadow:0 8px 20px rgba(122,59,255,.32);
}
.dock-link.active:hover{color:#fff;background:var(--grad);}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:12px 26px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-btn);background-size:160% 100%;}
.btn-primary:hover{background-position:100% 0;box-shadow:0 16px 36px rgba(122,59,255,.42);transform:translateY(-2px);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.28);}
.btn-ghost:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.5);transform:translateY(-2px);}
.btn-soft{background:#fff;color:var(--t1);border-color:var(--line);box-shadow:var(--sh-card);}
.btn-soft:hover{color:var(--brand);border-color:rgba(122,59,255,.5);transform:translateY(-2px);box-shadow:var(--sh-hover);}
.btn-sm{min-height:40px;padding:9px 20px;font-size:14px;}

/* 徽章 */
.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;line-height:1.6;}
.pill-brand{background:rgba(122,59,255,.1);color:var(--brand);border:1px solid rgba(122,59,255,.24);}
.pill-lime{background:rgba(43,229,155,.14);color:#0E9C68;border:1px solid rgba(43,229,155,.4);}
.pill-warm{background:rgba(255,138,61,.14);color:#C15A12;border:1px solid rgba(255,138,61,.42);}

/* Hero 数据徽章 */
.stat-badge{
  display:flex;flex-direction:column;gap:2px;
  padding:12px 20px;border-radius:20px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(8px);
  transition:background .24s var(--ease), border-color .24s var(--ease), transform .24s var(--ease);
}
.stat-badge:hover{background:rgba(255,255,255,.13);border-color:rgba(122,59,255,.6);transform:translateY(-2px);}
.stat-badge .k{font-size:12px;color:rgba(255,255,255,.62);letter-spacing:.04em;}
.stat-badge .v{font-size:19px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.3;}

.glow-a{position:absolute;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle, rgba(122,59,255,.55), transparent 68%);filter:blur(28px);pointer-events:none;}
.glow-b{position:absolute;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle, rgba(255,61,154,.42), transparent 70%);filter:blur(30px);pointer-events:none;}

/* 步骤 */
.step-line{
  position:absolute;top:26px;left:8%;right:8%;height:0;
  border-top:2px dashed #DCD2F3;
}
.step-dot{
  width:52px;height:52px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;font-variant-numeric:tabular-nums;
  background:#fff;border:2px solid #DCD2F3;color:var(--t3);
  position:relative;z-index:2;
  transition:transform .24s var(--ease), box-shadow .24s var(--ease);
}
.step-item:hover .step-dot{transform:translateY(-4px);box-shadow:0 12px 26px rgba(122,59,255,.22);}
.step-dot.on{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 12px 26px rgba(122,59,255,.32);}

/* 卡片 */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:26px;box-shadow:var(--sh-card);
  transition:transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(122,59,255,.55);}
.card-img-wrap{overflow:hidden;border-radius:20px;}
.card-img-wrap img{transition:transform .4s var(--ease);}
.card:hover .card-img-wrap img{transform:scale(1.03);}
.card:hover .card-title{color:var(--brand);}
.card-title{transition:color .22s var(--ease);}
.arrow-move{transition:transform .24s var(--ease);}
.card:hover .arrow-move{transform:translateX(5px);}

/* 进度 */
.progress-track{height:12px;border-radius:999px;background:#EDE8FA;overflow:hidden;}
.progress-fill-dark{height:100%;border-radius:999px;background:var(--grad);transform-origin:left;animation:barGrow 1.6s var(--ease) both;}
@keyframes barGrow{from{transform:scaleX(0);}to{transform:scaleX(1);}}
.node-dot{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#fff;border:2px solid #D8CDF2;color:#B7AAD8;transition:all .24s var(--ease);}
.node-dot.on{background:var(--lime);border-color:var(--lime);color:#0B3A28;}

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

/* FAQ */
.faq-item{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden;transition:border-color .24s var(--ease), background .24s var(--ease), box-shadow .24s var(--ease);}
.faq-item + .faq-item{margin-top:12px;}
.faq-item.is-open{border-color:rgba(122,59,255,.5);background:#FBF8FF;box-shadow:0 12px 30px rgba(122,59,255,.1);}
.faq-q{width:100%;display:flex;align-items:center;gap:14px;padding:18px 20px;background:transparent;border:0;text-align:left;cursor:pointer;font-size:16px;font-weight:600;color:var(--t1);}
.faq-icon{flex:0 0 auto;width:30px;height:30px;border-radius:50%;background:rgba(122,59,255,.12);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;}
.faq-sign{margin-left:auto;flex:0 0 auto;width:22px;height:22px;position:relative;}
.faq-sign::before,.faq-sign::after{content:"";position:absolute;background:var(--t3);border-radius:2px;transition:transform .26s var(--ease), background .26s var(--ease);}
.faq-sign::before{left:0;right:0;top:10px;height:2px;}
.faq-sign::after{top:0;bottom:0;left:10px;width:2px;}
.faq-item.is-open .faq-sign::after{transform:scaleY(0);background:var(--brand);}
.faq-item.is-open .faq-sign::before{background:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);}
.faq-a-inner{padding:0 20px 20px 64px;color:var(--t2);font-size:15px;line-height:1.9;}

/* 表单 */
.field{width:100%;min-height:48px;padding:12px 16px;border-radius:14px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;font-size:15px;transition:border-color .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease);}
.field::placeholder{color:rgba(255,255,255,.45);}
.field:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(122,59,255,.28);background:rgba(255,255,255,.1);}

.footer-link{color:rgba(255,255,255,.66);font-size:14px;line-height:2.2;transition:color .2s var(--ease);}
.footer-link:hover{color:#C9B6FF;}
.footer-link-lime:hover{color:var(--lime);}

/* 抽屉 */
.drawer{max-height:0;overflow:hidden;transition:max-height .34s var(--ease);}
.drawer.open{max-height:520px;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

@media (max-width:1023px){
  .step-line{display:none;}
}

/* roulang page: article */
:root{
  --brand:#7A3BFF;
  --neon:#FF3D9A;
  --lime:#2BE59B;
  --warm:#FF8A3D;
  --ink:#17102B;
  --soft:#FAF7FF;
  --card:#FFFFFF;
  --t1:#1A1429;
  --t2:#5C5473;
  --t3:#8C86A0;
  --line:#ECE6F7;
  --grad:linear-gradient(120deg,#7A3BFF,#FF3D9A);
  --shadow-card:0 8px 30px rgba(23,16,43,.08);
  --shadow-hover:0 18px 48px rgba(23,16,43,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--soft);
  color:var(--t1);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button{font:inherit;cursor:pointer;background:none;border:none;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container-x{padding:0 32px}}
.grid-pattern{
  background-image:linear-gradient(rgba(255,255,255,.085) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.085) 1px,transparent 1px);
  background-size:56px 56px;
}
.grid-pattern-light{
  background-image:linear-gradient(rgba(122,59,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(122,59,255,.06) 1px,transparent 1px);
  background-size:48px 48px;
}
.glow-a{position:absolute;border-radius:999px;filter:blur(90px);opacity:.5;pointer-events:none}

/* Dock 导航 */
.dock-shell{
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border:1px solid var(--line);
  box-shadow:0 8px 30px rgba(23,16,43,.08);
  padding:10px 14px;
  transition:all .26s var(--ease);
}
.dock-link{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--t2);
  transition:all .22s var(--ease);white-space:nowrap;
}
.dock-link:hover{color:var(--brand);background:#F5F1FF}
.dock-link.active{color:#fff;background:var(--grad);box-shadow:0 8px 20px rgba(122,59,255,.30)}
.m-link{
  display:flex;align-items:center;min-height:46px;padding:0 14px;border-radius:14px;
  font-size:15px;font-weight:600;color:var(--t2);transition:all .22s var(--ease);
}
.m-link:hover{background:#F5F1FF;color:var(--brand)}
.m-link.active{background:var(--grad);color:#fff}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;font-weight:700;font-size:15px;
  transition:all .24s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 28px rgba(122,59,255,.35)}
.btn-primary:hover{box-shadow:0 16px 34px rgba(122,59,255,.48);transform:translateY(-2px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;color:var(--t1);border:1px solid var(--line)}
.btn-ghost:hover{border-color:rgba(122,59,255,.5);color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-darkghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.2)}
.btn-darkghost:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.4)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* 卡片 */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:26px;
  box-shadow:var(--shadow-card);transition:all .24s var(--ease);
}
.card-hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(122,59,255,.55)}
.cover-zoom{overflow:hidden;border-radius:18px}
.cover-zoom img{transition:transform .5s var(--ease);width:100%;height:100%;object-fit:cover}
.card-hover:hover .cover-zoom img{transform:scale(1.03)}
.card-hover:hover .card-title{color:var(--brand)}

.pill{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.pill-brand{background:var(--grad);color:#fff}
.pill-soft{background:#F5F1FF;color:var(--brand);border:1px solid rgba(122,59,255,.18)}
.pill-lime{background:rgba(43,229,155,.14);color:#0E9A66;border:1px solid rgba(43,229,155,.35)}
.pill-dark{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.22)}
.pill-warm{background:rgba(255,138,61,.14);color:#C4560F;border:1px solid rgba(255,138,61,.32)}

.crumb{font-size:13px;color:rgba(255,255,255,.62);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb a{transition:color .2s var(--ease)}
.crumb a:hover{color:#C9B4FF}
.crumb .sep{color:rgba(255,255,255,.3)}
.crumb .cur{color:rgba(255,255,255,.45)}

/* 文章正文排版 */
.article-body{font-size:17px;line-height:1.95;color:var(--t2);max-width:760px}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;font-size:clamp(21px,2.3vw,26px);font-weight:700;color:var(--t1);
  line-height:1.4;margin:44px 0 18px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;width:4px;height:20px;border-radius:4px;background:var(--grad);
}
.article-body h3{font-size:19px;font-weight:600;color:var(--t1);margin:32px 0 12px;line-height:1.5}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:4px;list-style:none}
.article-body ul li{position:relative;padding-left:20px;margin:0 0 10px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:12px;width:8px;height:8px;border-radius:2px;background:var(--brand);opacity:.85;
}
.article-body ol{counter-reset:olc}
.article-body ol li{position:relative;padding-left:30px;margin:0 0 10px;counter-increment:olc}
.article-body ol li::before{
  content:counter(olc);position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:999px;
  background:#F5F1FF;color:var(--brand);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:#F5F1FF;border-left:3px solid var(--brand);
  border-radius:0 18px 18px 0;color:var(--t1);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:18px;margin:26px auto;width:100%;height:auto}
.article-body a{color:var(--brand);font-weight:600;border-bottom:1px solid rgba(122,59,255,.35)}
.article-body a:hover{color:var(--neon);border-color:rgba(255,61,154,.5)}
.article-body strong{color:var(--t1);font-weight:700}
.article-body .table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:18px;margin:26px 0;-webkit-overflow-scrolling:touch}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px;color:var(--t2)}
.article-body th,.article-body td{padding:13px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.article-body thead th{background:#F5F1FF;color:var(--t1);font-weight:700}
.article-body tbody tr:nth-child(even){background:#FBF9FF}
.article-body tbody tr:last-child td{border-bottom:none}

/* 侧栏 */
.side-sticky{position:sticky;top:104px}
.side-title{position:relative;padding-left:12px;font-size:15px;font-weight:800;color:var(--t1)}
.side-title::before{
  content:"";position:absolute;left:0;top:5px;width:4px;height:16px;border-radius:4px;background:var(--grad);
}
.toc-link{
  display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:12px;font-size:14px;color:var(--t2);
  transition:all .2s var(--ease);
}
.toc-link:hover{background:#F5F1FF;color:var(--brand);transform:translateX(3px)}
.hot-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 12px;border-radius:14px;
  font-size:14px;font-weight:600;color:var(--t2);transition:all .2s var(--ease);
}
.hot-link:hover{background:#F5F1FF;color:var(--brand)}
.hot-link svg{transition:transform .2s var(--ease)}
.hot-link:hover svg{transform:translateX(3px)}

/* 页脚 */
.footer-link{display:block;padding:6px 0;font-size:14px;color:rgba(255,255,255,.6);transition:all .2s var(--ease)}
.footer-link:hover{color:#C9B4FF;transform:translateX(3px)}
.footer-link-lime:hover{color:var(--lime)}
.tag-pill{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--t2);transition:all .2s var(--ease);
}
.tag-pill:hover{border-color:rgba(122,59,255,.5);color:var(--brand);background:#F5F1FF}

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

/* roulang page: category1 */
:root{
    --brand:#7A3BFF;
    --magenta:#FF3D9A;
    --lime:#2BE59B;
    --orange:#FF8A3D;
    --ink:#17102B;
    --paper:#FAF7FF;
    --t1:#1A1429;
    --t2:#5C5473;
    --t3:#8C86A0;
    --line1:#ECE6F7;
    --grad:linear-gradient(120deg,#7A3BFF,#FF3D9A);
    --grad-soft:linear-gradient(120deg,rgba(122,59,255,.14),rgba(255,61,154,.14));
    --r-sm:12px; --r-md:18px; --r-lg:26px; --r-xl:34px;
    --sh-card:0 8px 30px rgba(23,16,43,.08);
    --sh-hover:0 18px 48px rgba(23,16,43,.16);
    --sh-btn:0 12px 28px rgba(122,59,255,.35);
    --ease:cubic-bezier(.22,.61,.36,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
    background:var(--paper);
    color:var(--t1);
    font-size:16px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font:inherit;border:0;background:none}
  ::selection{background:rgba(122,59,255,.18)}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}

  .container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
  @media(min-width:768px){.container-x{padding-left:32px;padding-right:32px}}

  .h1{font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.02em}
  .h2{font-size:clamp(24px,2.6vw,36px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
  .h3{font-size:21px;font-weight:600;line-height:1.4}
  .body-text{font-size:16px;line-height:1.9;color:var(--t2);max-width:74ch}

  .grid-pattern{
    background-image:
      linear-gradient(rgba(255,255,255,.12) 1px,transparent 1px),
      linear-gradient(90deg,rgba(255,255,255,.12) 1px,transparent 1px);
    background-size:52px 52px;
  }

  /* Dock 导航 */
  #siteHeader{transition:padding .26s var(--ease)}
  .dock-shell{
    background:rgba(255,255,255,.86);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border:1px solid var(--line1);
    box-shadow:0 10px 30px rgba(23,16,43,.08);
    padding:.5rem .75rem;
    transition:background .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease),padding .26s var(--ease);
  }
  #siteHeader.scrolled .dock-shell{padding:.35rem .6rem;box-shadow:0 14px 40px rgba(23,16,43,.14)}
  #siteHeader.dock-dark .dock-shell{background:rgba(23,16,43,.55);border-color:rgba(255,255,255,.16);box-shadow:0 10px 30px rgba(0,0,0,.22)}
  #siteHeader.dock-dark .brand-sub{color:rgba(255,255,255,.6)!important}
  #siteHeader.dock-dark .brand-main{color:#fff!important}
  #siteHeader.dock-dark .dock-link{color:rgba(255,255,255,.78)!important}
  #siteHeader.dock-dark .dock-link:hover{color:#fff!important;background:rgba(255,255,255,.12)!important}
  #siteHeader.dock-dark .dock-link.active{color:#fff!important}
  #siteHeader.dock-dark .dock-icon-btn{color:rgba(255,255,255,.85)!important;background:rgba(255,255,255,.08)!important;border-color:rgba(255,255,255,.2)!important}

  .brand-sub{font-size:10px;letter-spacing:.22em;font-weight:600;color:var(--t3)}
  .brand-main{font-size:15px;font-weight:800;color:var(--t1)}

  .dock-link{
    display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:999px;
    font-size:14px;font-weight:600;color:var(--t2);white-space:nowrap;
    transition:color .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
  }
  .dock-link:hover{color:var(--brand);background:rgba(122,59,255,.08)}
  .dock-link.active{color:#fff;background:var(--grad);box-shadow:0 8px 20px rgba(122,59,255,.28)}
  .dock-icon-btn{
    width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
    color:var(--t2);border:1px solid var(--line1);background:#fff;
    transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
  }
  .dock-icon-btn:hover{color:var(--brand);border-color:rgba(122,59,255,.5)}

  .drawer-link{
    display:flex;align-items:center;justify-content:space-between;
    padding:12px 14px;border-radius:14px;font-size:15px;font-weight:600;color:var(--t2);
    transition:background .2s var(--ease),color .2s var(--ease);
  }
  .drawer-link:hover{background:rgba(122,59,255,.08);color:var(--brand)}
  .drawer-link.active{background:var(--grad-soft);color:var(--brand)}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:14px;font-size:15px;font-weight:700;
    cursor:pointer;transition:transform .22s var(--ease),filter .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease);
  }
  .btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-btn)}
  .btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px)}
  .btn-primary:active{transform:scale(.98)}
  .btn-ghost{background:#fff;color:var(--t1);border:1px solid var(--line1)}
  .btn-ghost:hover{border-color:rgba(122,59,255,.55);color:var(--brand);transform:translateY(-2px)}
  .btn-ghost:active{transform:scale(.98)}
  .btn-onink{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.22)}
  .btn-onink:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
  .btn-sm{height:40px;padding:0 18px;font-size:14px}

  /* 标签 / 徽章 */
  .tag-pill{
    display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:999px;
    font-size:13px;font-weight:700;color:var(--brand);
    background:rgba(122,59,255,.1);border:1px solid rgba(122,59,255,.22);
  }
  .tag-pill-onink{
    color:#fff;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.28);
  }
  .mini-badge{
    display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
    font-size:12.5px;font-weight:700;color:var(--brand);
    background:#fff;border:1px solid rgba(122,59,255,.25);
    box-shadow:0 6px 16px rgba(23,16,43,.1);
  }
  .corner-badge{
    position:absolute;top:16px;right:16px;z-index:2;
    display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
    font-size:12.5px;font-weight:700;color:#3a1a05;
    background:var(--orange);box-shadow:0 8px 18px rgba(255,138,61,.35);
  }

  /* 卡片 */
  .card{
    background:#fff;border:1px solid var(--line1);border-radius:var(--r-lg);
    box-shadow:var(--sh-card);
    transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  }
  .card-hover:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(122,59,255,.6)}
  .media-zoom{overflow:hidden}
  .media-zoom img{transition:transform .26s var(--ease)}
  .media-zoom:hover img{transform:scale(1.03)}

  .metric-card{
    background:#fff;border:1px solid var(--line1);border-radius:var(--r-lg);
    padding:22px 20px;box-shadow:var(--sh-card);
    transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  }
  .metric-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(122,59,255,.5)}
  .metric-label{font-size:13px;font-weight:600;color:var(--t3);margin:0}
  .metric-value{
    margin:6px 0 0;font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.2;
    font-variant-numeric:tabular-nums;
    background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .metric-note{margin:6px 0 0;font-size:13px;color:var(--t2);line-height:1.7}

  .step-index{
    display:inline-grid;place-items:center;width:44px;height:44px;border-radius:14px;
    font-size:15px;font-weight:800;color:#fff;background:var(--grad);
    box-shadow:0 10px 22px rgba(122,59,255,.28);font-variant-numeric:tabular-nums;
  }

  .check-list{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:12px}
  .check-list li{position:relative;padding-left:26px;font-size:15.5px;line-height:1.75;color:var(--t2)}
  .check-list li::before{
    content:"";position:absolute;left:0;top:.62em;width:9px;height:9px;border-radius:3px;background:var(--grad);
  }

  .channel-card{
    position:relative;background:#fff;border:1px solid var(--line1);border-radius:var(--r-lg);
    padding:26px;box-shadow:var(--sh-card);overflow:hidden;
    transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  }
  .channel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(122,59,255,.6)}

  .arrow-link{
    display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand);
    transition:gap .22s var(--ease);
  }
  .arrow-link:hover{gap:11px}

  /* FAQ */
  .faq-item{
    background:#fff;border:1px solid var(--line1);border-radius:var(--r-md);overflow:hidden;
    transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
  }
  .faq-item + .faq-item{margin-top:14px}
  .faq-item.open{border-color:rgba(122,59,255,.55);box-shadow:var(--sh-card)}
  .faq-q{
    width:100%;display:flex;align-items:center;gap:14px;padding:18px 20px;text-align:left;
    cursor:pointer;font-size:16px;font-weight:700;color:var(--t1);background:transparent;
  }
  .faq-mark{
    flex:0 0 28px;width:28px;height:28px;border-radius:999px;display:grid;place-items:center;
    color:#fff;font-size:14px;font-weight:800;background:var(--grad);
  }
  .faq-chev{margin-left:auto;color:var(--t3);transition:transform .25s var(--ease)}
  .faq-item.open .faq-chev{transform:rotate(180deg)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);background:#F7F3FF}
  .faq-item.open .faq-a{max-height:380px}
  .faq-a p{margin:0;padding:4px 20px 20px 62px;font-size:15px;color:var(--t2)}

  /* 页脚 */
  .footer-link{
    display:block;padding:6px 0;font-size:14px;color:rgba(255,255,255,.6);
    transition:color .2s var(--ease),transform .2s var(--ease);
  }
  .footer-link:hover{color:#C9B4FF;transform:translateX(3px)}
  .footer-link-lime:hover{color:var(--lime)}

  @media (prefers-reduced-motion: reduce){
    *{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
    .card-hover:hover,.metric-card:hover,.channel-card:hover,.btn:hover{transform:none!important}
    .media-zoom:hover img{transform:none!important}
  }

/* roulang page: category2 */
:root{
  --brand:#7A3BFF;
  --magenta:#FF3D9A;
  --lime:#2BE59B;
  --warm:#FF8A3D;
  --ink:#17102B;
  --paper:#FAF7FF;
  --card:#FFFFFF;
  --t1:#1A1429;
  --t2:#5C5473;
  --t3:#8C86A0;
  --line1:#ECE6F7;
  --grad:linear-gradient(120deg,#7A3BFF,#FF3D9A);
  --sh-card:0 8px 30px rgba(23,16,43,.08);
  --sh-hover:0 18px 48px rgba(23,16,43,.16);
  --sh-btn:0 12px 28px rgba(122,59,255,.35);
  --r-sm:12px; --r-md:18px; --r-lg:26px; --r-xl:34px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--paper);
  color:var(--t1);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
input{font:inherit}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(122,59,255,.18)}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.container-x{padding-left:32px;padding-right:32px}}

.num{font-variant-numeric:tabular-nums}

/* ---------- Dock 导航 ---------- */
#siteHeader{transition:padding .24s var(--ease)}
.dock-shell{
  display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(20px);
  backdrop-filter:blur(20px);
  border:1px solid var(--line1);
  box-shadow:0 10px 30px rgba(23,16,43,.08);
  padding:10px 14px;
  transition:padding .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease);
}
#siteHeader.scrolled .dock-shell{padding:6px 14px;box-shadow:0 14px 38px rgba(23,16,43,.14);background:rgba(255,255,255,.94)}
.dock-link{
  display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--t2);
  transition:color .22s var(--ease),background .22s var(--ease);
  white-space:nowrap;
}
.dock-link:hover{color:var(--brand);background:rgba(122,59,255,.08)}
.dock-link.active{color:var(--brand);font-weight:700;background:rgba(122,59,255,.10)}
.mobile-link{
  display:block;padding:12px 14px;border-radius:14px;font-size:15px;color:var(--t2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.mobile-link:hover{background:rgba(122,59,255,.08);color:var(--brand)}
.mobile-link.active{background:rgba(122,59,255,.12);color:var(--brand);font-weight:700}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  min-height:46px;
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-btn)}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--t1);border:1px solid var(--line1)}
.btn-ghost:hover{border-color:rgba(122,59,255,.55);color:var(--brand);transform:translateY(-2px)}
.btn-ghost-dark{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.22)}
.btn-ghost-dark:hover{border-color:rgba(255,255,255,.6);background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px}

/* ---------- 装饰 ---------- */
.grid-pattern{
  background-image:
    linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:56px 56px;
}
.h2-bar{position:relative;padding-left:16px}
.h2-bar::before{
  content:"";position:absolute;left:0;top:.34em;width:4px;height:18px;border-radius:2px;background:var(--grad);
}

/* ---------- 页头 KV ---------- */
.kv{box-shadow:var(--sh-card)}
.kv-bc{font-size:13px;color:rgba(255,255,255,.62)}
.kv-bc a{color:rgba(255,255,255,.78);transition:color .2s var(--ease)}
.kv-bc a:hover{color:#fff}
.kv-bc .sep{margin:0 8px;opacity:.5}
.kv-bc .cur{color:rgba(255,255,255,.55)}

/* ---------- 数据卡（深底） ---------- */
.metric{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:18px;
  padding:18px 18px 16px;
  transition:background .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.metric:hover{background:rgba(255,255,255,.11);border-color:rgba(122,59,255,.6);transform:translateY(-3px)}
.metric-num{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.1;color:#fff;letter-spacing:-.02em}
.metric-label{font-size:13px;color:rgba(255,255,255,.6);margin-top:6px}
.metric-tag{display:inline-block;font-size:11px;letter-spacing:.14em;font-weight:700;color:var(--lime);margin-bottom:10px}

/* ---------- 纵向步骤轴 ---------- */
.axis{position:relative;list-style:none;padding:0;margin:0}
.axis-item{position:relative;padding-left:76px;padding-bottom:36px}
.axis-item:last-child{padding-bottom:0}
.axis-item::before{
  content:"";position:absolute;left:26px;top:58px;bottom:6px;width:2px;
  background:linear-gradient(180deg,rgba(122,59,255,.45),rgba(255,61,154,.18),rgba(122,59,255,.04));
}
.axis-item:last-child::before{display:none}
.axis-node{
  position:absolute;left:0;top:0;width:54px;height:54px;border-radius:18px;
  display:grid;place-items:center;font-weight:800;font-size:16px;color:#fff;
  background:var(--grad);box-shadow:0 12px 26px rgba(122,59,255,.3);
  letter-spacing:-.02em;
}
.axis-card{
  background:#fff;border:1px solid var(--line1);border-radius:26px;
  padding:22px 24px;box-shadow:var(--sh-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.axis-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(122,59,255,.4)}
.axis-card h3{margin:0 0 8px;font-size:20px;font-weight:700;letter-spacing:-.01em}
.axis-card p{margin:0;color:var(--t2);font-size:15px;line-height:1.85}
.axis-meta{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13px;color:var(--brand);font-weight:600}

/* ---------- 要点卡 ---------- */
.tip-card{
  background:#fff;border:1px solid var(--line1);border-radius:26px;overflow:hidden;
  box-shadow:var(--sh-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  display:flex;flex-direction:column;
}
.tip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(122,59,255,.45)}
.tip-media{aspect-ratio:16/9;overflow:hidden;background:#F3EEFF}
.tip-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.tip-card:hover .tip-media img{transform:scale(1.03)}
.tip-body{padding:22px 24px 24px}
.tip-body h3{margin:0 0 8px;font-size:19px;font-weight:700}
.tip-body p{margin:0;color:var(--t2);font-size:15px;line-height:1.85}
.tip-list{margin:14px 0 0;padding:0;list-style:none}
.tip-list li{position:relative;padding-left:20px;margin-bottom:8px;font-size:14px;color:var(--t2)}
.tip-list li::before{content:"";position:absolute;left:0;top:.55em;width:8px;height:8px;border-radius:3px;background:var(--grad)}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:600;color:var(--brand);background:rgba(122,59,255,.10);
  border:1px solid rgba(122,59,255,.18);
}
.tag-lime{color:#0E7A50;background:rgba(43,229,155,.16);border-color:rgba(43,229,155,.4)}
.tag-warm{color:#9A4A12;background:rgba(255,138,61,.14);border-color:rgba(255,138,61,.35)}

/* ---------- 大卡 ---------- */
.hero-tip{
  background:#fff;border:1px solid var(--line1);border-radius:34px;overflow:hidden;
  box-shadow:var(--sh-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.hero-tip:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(122,59,255,.4)}

/* ---------- FAQ ---------- */
.faq-item{
  background:#fff;border:1px solid var(--line1);border-radius:18px;overflow:hidden;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.faq-item.open{border-color:rgba(122,59,255,.5);background:#F6F2FF}
.faq-q{
  width:100%;display:flex;align-items:center;gap:12px;
  padding:18px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--t1);
  min-height:56px;
}
.faq-q:hover{color:var(--brand)}
.faq-ico{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:13px;font-weight:700;
}
.faq-arrow{margin-left:auto;flex:0 0 auto;transition:transform .24s var(--ease);color:var(--t3)}
.faq-item.open .faq-arrow{transform:rotate(180deg);color:var(--brand)}
.faq-a{padding:0 22px 20px 58px;color:var(--t2);font-size:15px;line-height:1.9}
.faq-a p{margin:0}

/* ---------- 页脚 ---------- */
.footer-link{
  display:inline-block;padding:5px 0;font-size:14px;color:rgba(255,255,255,.6);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-link:hover{color:#fff;transform:translateX(3px)}
.footer-link-lime:hover{color:var(--lime)}

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

/* ---------- 响应式 ---------- */
@media(max-width:1023px){
  .kv{min-height:auto}
}
@media(max-width:640px){
  .axis-item{padding-left:62px;padding-bottom:28px}
  .axis-node{width:46px;height:46px;border-radius:15px;font-size:14px}
  .axis-item::before{left:22px;top:50px}
  .axis-card{padding:18px 18px}
  .axis-card h3{font-size:18px}
  .faq-a{padding:0 16px 18px 16px}
  .faq-q{padding:16px;font-size:15px}
  .tip-body{padding:18px 18px 20px}
}

/* roulang page: category3 */
:root{
    --brand:#7A3BFF;
    --magenta:#FF3D9A;
    --lime:#2BE59B;
    --orange:#FF8A3D;
    --ink:#17102B;
    --paper:#FAF7FF;
    --card:#FFFFFF;
    --t1:#1A1429;
    --t2:#5C5473;
    --t3:#8C86A0;
    --line:#ECE6F7;
    --grad:linear-gradient(120deg,#7A3BFF,#FF3D9A);
    --r-sm:12px;
    --r-md:18px;
    --r-lg:26px;
    --r-xl:34px;
    --sh-card:0 8px 30px rgba(23,16,43,.08);
    --sh-lift:0 18px 48px rgba(23,16,43,.16);
    --ease:cubic-bezier(.22,.61,.36,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--paper);
    color:var(--t1);
    font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
    font-size:16px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4,p{margin:0}
  ul,ol{margin:0;padding:0;list-style:none}
  img{display:block;max-width:100%}
  a{color:inherit;text-decoration:none}
  button,input{font:inherit;color:inherit}
  button{background:none;border:0;cursor:pointer}

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

  .container-x{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
  @media (min-width:768px){.container-x{padding-left:32px;padding-right:32px}}

  /* 浮动 Dock 导航 */
  .dock-shell{
    background:rgba(255,255,255,.86);
    -webkit-backdrop-filter:blur(20px);
    backdrop-filter:blur(20px);
    border:1px solid var(--line);
    box-shadow:0 8px 30px rgba(23,16,43,.08);
    padding:7px 12px;
    transition:box-shadow .24s var(--ease),padding .24s var(--ease);
  }
  .dock-shell.is-scrolled{box-shadow:0 14px 38px rgba(23,16,43,.16);padding-top:4px;padding-bottom:4px}
  .dock-link{
    display:inline-flex;align-items:center;
    padding:9px 15px;border-radius:999px;
    font-size:14px;font-weight:600;color:var(--t2);white-space:nowrap;
    transition:color .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease);
  }
  .dock-link:hover{color:var(--brand);background:rgba(122,59,255,.08)}
  .dock-link.active{color:#fff;background:var(--grad);box-shadow:0 8px 20px rgba(122,59,255,.28)}
  .dock-link:active{transform:scale(.98)}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:14px 26px;border-radius:999px;border:1px solid transparent;
    font-size:15px;font-weight:700;line-height:1.2;min-height:44px;cursor:pointer;
    transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),filter .24s var(--ease);
  }
  .btn-primary{background:var(--grad);background-size:170% 100%;background-position:0 0;color:#fff;box-shadow:0 12px 28px rgba(122,59,255,.35)}
  .btn-primary:hover{background-position:100% 0;filter:brightness(1.06);box-shadow:0 16px 34px rgba(122,59,255,.42)}
  .btn-primary:active{transform:scale(.98)}
  .btn-ghost{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.30)}
  .btn-ghost:hover{background:rgba(255,255,255,.20);border-color:rgba(255,255,255,.55)}
  .btn-ghost:active{transform:scale(.98)}
  .btn-outline{background:#fff;color:var(--t1);border-color:var(--line)}
  .btn-outline:hover{border-color:rgba(122,59,255,.5);color:var(--brand);box-shadow:0 10px 24px rgba(122,59,255,.14)}
  .btn-outline:active{transform:scale(.98)}
  .btn-sm{padding:10px 18px;font-size:14px;min-height:40px}

  /* 卡片与徽章 */
  .card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--sh-card);
    transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--sh-lift);border-color:rgba(122,59,255,.45)}
  .card-img img{transition:transform .26s var(--ease)}
  .card:hover .card-img img{transform:scale(1.03)}
  .card:hover .card-title{color:var(--brand)}

  .tag{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;background:rgba(122,59,255,.09);color:var(--brand);font-size:12px;font-weight:700;letter-spacing:.02em}
  .tag-soft{background:rgba(23,16,43,.06);color:var(--t2)}

  .corner-badge{
    position:absolute;top:14px;right:14px;z-index:3;
    display:inline-flex;align-items:center;gap:5px;
    padding:4px 11px;border-radius:999px;
    font-size:12px;font-weight:700;
    background:#fff;color:var(--brand);border:1px solid rgba(122,59,255,.42);
    box-shadow:0 6px 16px rgba(23,16,43,.12);
  }
  .corner-badge.lime{color:#0B7A50;background:rgba(43,229,155,.14);border-color:rgba(43,229,155,.6)}
  .corner-badge.orange{color:#A8480B;background:rgba(255,138,61,.14);border-color:rgba(255,138,61,.55)}

  .metric-num{font-variant-numeric:tabular-nums;letter-spacing:-.01em}

  .grid-pattern{
    background-image:
      linear-gradient(to right, rgba(255,255,255,.07) 1px, transparent 1px),
      linear-gradient(to bottom, rgba(255,255,255,.07) 1px, transparent 1px);
    background-size:64px 64px;
  }
  .grid-pattern-soft{
    background-image:
      linear-gradient(to right, rgba(122,59,255,.07) 1px, transparent 1px),
      linear-gradient(to bottom, rgba(122,59,255,.07) 1px, transparent 1px);
    background-size:56px 56px;
  }

  .hairline{height:1px;background:var(--line)}

  /* 步骤编号 */
  .step-num{
    width:42px;height:42px;flex:0 0 42px;border-radius:14px;
    display:grid;place-items:center;font-weight:800;font-size:15px;
    color:#fff;background:var(--grad);box-shadow:0 10px 22px rgba(122,59,255,.3);
    font-variant-numeric:tabular-nums;
  }

  /* 要点列表 */
  .dot-list li{position:relative;padding-left:20px;margin-top:10px;font-size:15px;color:var(--t2)}
  .dot-list li::before{
    content:"";position:absolute;left:0;top:11px;
    width:8px;height:8px;border-radius:3px;background:var(--grad);
  }

  /* FAQ */
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    overflow:hidden;transition:border-color .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease);
  }
  .faq-item.open{border-color:rgba(122,59,255,.55);background:#FBF8FF;box-shadow:0 12px 30px rgba(122,59,255,.12)}
  .faq-q{
    display:flex;align-items:center;gap:12px;width:100%;text-align:left;
    padding:18px 20px;font-size:16px;font-weight:700;color:var(--t1);
  }
  .faq-ico{
    width:28px;height:28px;flex:0 0 28px;border-radius:999px;display:grid;place-items:center;
    background:var(--grad);color:#fff;font-size:14px;font-weight:800;
  }
  .faq-arrow{margin-left:auto;transition:transform .24s var(--ease);color:var(--t3)}
  .faq-item.open .faq-arrow{transform:rotate(180deg);color:var(--brand)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
  .faq-a p{padding:0 20px 20px 60px;font-size:15px;color:var(--t2)}

  /* 页脚 */
  .footer-link{display:inline-block;padding:5px 0;font-size:14px;color:rgba(255,255,255,.62);transition:color .2s var(--ease),transform .2s var(--ease)}
  .footer-link:hover{color:#C9B4FF;transform:translateX(3px)}
  .footer-link-lime:hover{color:var(--lime)}

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

  .arrow-slide{transition:transform .24s var(--ease)}
  .card:hover .arrow-slide{transform:translateX(4px)}

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

/* roulang page: category4 */
:root{
  --brand:#7A3BFF;
  --brand2:#FF3D9A;
  --lime:#2BE59B;
  --orange:#FF8A3D;
  --ink:#17102B;
  --paper:#FAF7FF;
  --t1:#1A1429;
  --t2:#5C5473;
  --t3:#8C86A0;
  --line:#ECE6F7;
  --grad:linear-gradient(120deg,#7A3BFF,#FF3D9A);
  --grad-soft:linear-gradient(120deg,rgba(122,59,255,.12),rgba(255,61,154,.08));
  --sh-card:0 8px 30px rgba(23,16,43,.08);
  --sh-card-h:0 18px 48px rgba(23,16,43,.16);
  --sh-btn:0 12px 28px rgba(122,59,255,.35);
  --r-sm:12px; --r-md:18px; --r-lg:26px; --r-xl:34px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.9;color:var(--t1);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(680px 420px at 12% -6%,rgba(122,59,255,.10),transparent 70%),
    radial-gradient(620px 380px at 92% 12%,rgba(255,61,154,.08),transparent 72%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
p{max-width:74ch}
::selection{background:rgba(122,59,255,.2)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#F2EDFC}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#7A3BFF,#FF3D9A);border-radius:999px;border:2px solid #F2EDFC}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;position:relative;z-index:1}
@media(min-width:768px){.container-x{padding-left:32px;padding-right:32px}}
@media(min-width:1280px){.container-x{max-width:1280px}}

.grid-pattern{
  background-image:
    linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:58px 58px;
}
.grid-pattern-light{
  background-image:
    linear-gradient(rgba(23,16,43,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(23,16,43,.05) 1px,transparent 1px);
  background-size:46px 46px;
}

/* ---------- Dock 导航 ---------- */
.dock-shell{
  padding:8px 12px 8px 10px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  border:1px solid var(--line);
  box-shadow:0 10px 34px rgba(23,16,43,.10);
  transition:padding .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease);
}
#siteHeader.is-scrolled .dock-shell{
  padding-top:4px;padding-bottom:4px;
  background:rgba(255,255,255,.95);
  box-shadow:0 16px 42px rgba(23,16,43,.16);
}
.dock-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:999px;font-size:14px;font-weight:600;color:var(--t2);white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.dock-link:hover{color:var(--brand);background:rgba(122,59,255,.08)}
.dock-link.active{color:#fff;background:var(--grad);box-shadow:0 8px 20px rgba(122,59,255,.28)}
.mobile-drawer{
  max-height:0;overflow:hidden;opacity:0;
  transition:max-height .32s var(--ease),opacity .24s var(--ease);
}
.mobile-drawer.open{max-height:520px;opacity:1}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 16px;border-radius:14px;font-size:15px;font-weight:600;color:var(--t2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-link:hover,.drawer-link.active{background:rgba(122,59,255,.09);color:var(--brand)}
.search-panel{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.search-panel.open{max-height:80px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;
  font-weight:700;font-size:15px;letter-spacing:.01em;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-btn)}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-2px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{border:1px solid var(--line);background:#fff;color:var(--t1)}
.btn-ghost:hover{border-color:rgba(122,59,255,.5);color:var(--brand);transform:translateY(-2px)}
.btn-outline-light{border:1px solid rgba(255,255,255,.28);color:#fff;background:rgba(255,255,255,.06)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ---------- 组件 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:700;
  background:rgba(122,59,255,.1);color:var(--brand);
}
.pill-lime{background:rgba(43,229,155,.16);color:#0C8A5C}
.pill-orange{background:rgba(255,138,61,.14);color:#C05A12}
.pill-light{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.3)}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-h);border-color:rgba(122,59,255,.45)}

.section{padding-top:64px;padding-bottom:64px}
@media(min-width:768px){.section{padding-top:96px;padding-bottom:96px}}
.section-tight{padding-top:52px;padding-bottom:52px}
@media(min-width:768px){.section-tight{padding-top:72px;padding-bottom:72px}}

.h1{font-size:clamp(30px,4.4vw,56px);font-weight:800;line-height:1.15;letter-spacing:-.02em}
.h2{font-size:clamp(24px,2.6vw,36px);font-weight:700;line-height:1.28;letter-spacing:-.01em}
.h3{font-size:20px;font-weight:600;line-height:1.45}
.lead{font-size:17px;color:var(--t2);line-height:1.85}
.num{font-variant-numeric:tabular-nums}

.title-bar{display:inline-flex;align-items:center;gap:12px}
.title-bar::before{
  content:"";width:5px;height:24px;border-radius:999px;background:var(--grad);flex:none;
}

/* ---------- 页头窄 KV ---------- */
.page-kv{
  position:relative;overflow:hidden;background:var(--ink);
  border-bottom-left-radius:var(--r-xl);border-bottom-right-radius:var(--r-xl);
}
.kv-inner{position:relative;z-index:3;padding-top:56px;padding-bottom:56px;min-height:280px;display:flex;flex-direction:column;justify-content:center}
@media(min-width:1024px){.kv-inner{padding-top:72px;padding-bottom:72px;min-height:320px}}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:rgba(255,255,255,.35)}
.breadcrumb .current{color:rgba(255,255,255,.6)}

/* ---------- 横向带状对比行 ---------- */
.strip-row{
  display:grid;grid-template-columns:1fr;gap:8px;
  padding:20px 22px;border-radius:var(--r-lg);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.strip-row:hover{transform:translateY(-3px);box-shadow:var(--sh-card-h);border-color:rgba(122,59,255,.5)}
.strip-row .strip-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:9px;font-size:12px;font-weight:800;
  background:rgba(122,59,255,.1);color:var(--brand);font-variant-numeric:tabular-nums;
}
@media(min-width:768px){
  .strip-row{grid-template-columns:minmax(260px,1fr) 1.35fr;gap:32px;align-items:center;padding:24px 30px}
}

/* ---------- 数据徽章带 ---------- */
.metric-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 20px;box-shadow:var(--sh-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-h);border-color:rgba(122,59,255,.4)}
.metric-num{font-size:30px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- 要点卡 ---------- */
.point-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--sh-card);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.point-card::after{
  content:"";position:absolute;left:0;top:0;height:100%;width:4px;background:var(--grad);
  opacity:0;transition:opacity .22s var(--ease);
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-h);border-color:rgba(122,59,255,.45)}
.point-card:hover::after{opacity:1}
.icon-badge{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad-soft);color:var(--brand);border:1px solid rgba(122,59,255,.16);
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.point-card:hover .icon-badge{background:var(--grad);color:#fff;border-color:transparent}

/* ---------- FAQ ---------- */
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  transition:border-color .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item:hover{border-color:rgba(122,59,255,.4);box-shadow:var(--sh-card)}
.faq-item.is-open{border-color:rgba(122,59,255,.5);background:#F8F5FF;box-shadow:var(--sh-card)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:18px 20px;font-size:16px;font-weight:700;color:var(--t1);min-height:56px;
}
.faq-mark{
  flex:none;width:28px;height:28px;border-radius:999px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:14px;font-weight:800;
  transition:transform .24s var(--ease);
}
.faq-item.is-open .faq-mark{transform:rotate(180deg)}
.faq-arrow{margin-left:auto;flex:none;color:var(--t3);transition:transform .24s var(--ease),color .22s var(--ease)}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease)}
.faq-a-inner{padding:0 20px 20px 62px;color:var(--t2);font-size:15px;line-height:1.9}

/* ---------- 资讯卡 ---------- */
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-h);border-color:rgba(122,59,255,.45)}
.news-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EFE9FC}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .38s var(--ease)}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-title{font-size:17px;font-weight:700;line-height:1.5;transition:color .2s var(--ease)}
.news-card:hover .news-title{color:var(--brand)}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--ink);padding:44px 28px;
}
@media(min-width:768px){.cta-block{padding:56px 52px}}
.cta-glow{
  position:absolute;border-radius:999px;filter:blur(70px);opacity:.75;pointer-events:none;
}

/* ---------- 页脚 ---------- */
.footer-link{
  display:inline-block;padding:5px 0;font-size:14px;color:rgba(255,255,255,.62);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-link:hover{color:#C9A9FF;transform:translateX(3px)}
.footer-link-lime:hover{color:var(--lime)}

@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .card:hover,.news-card:hover,.strip-row:hover,.point-card:hover,.metric-card:hover{transform:none}
}