/* roulang page: index */
:root{
  --brand:#5B3DE8;
  --brand-deep:#2A1B5E;
  --ink:#17122A;
  --brand-soft:#EEE9FF;
  --lime:#C8F55A;
  --lime-ink:#23400A;
  --coral:#FF7A59;
  --sand:#F7F5F1;
  --line:#E7E2DA;
  --text:#17122A;
  --text-2:#4B4560;
  --text-3:#8A84A0;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:28px;
  --pill:999px;
  --sh-card:0 1px 2px rgba(23,18,42,.04), 0 10px 28px -14px rgba(23,18,42,.12);
  --sh-lift:0 2px 6px rgba(23,18,42,.06), 0 20px 44px -20px rgba(23,18,42,.24);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--sand);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:768px){.container{padding:0 24px}}

/* ---------- 公告条 ---------- */
.topbar{background:var(--brand-deep);color:#EDE9FF;font-size:13px;line-height:1.4}
.topbar-in{display:flex;align-items:center;gap:10px;min-height:36px;justify-content:center;text-align:center}
.topbar-dot{width:7px;height:7px;border-radius:50%;background:var(--lime);flex:0 0 7px;box-shadow:0 0 0 4px rgba(200,245,90,.16)}
.topbar a{color:var(--lime);font-weight:600;white-space:nowrap}
.topbar a:hover{text-decoration:underline}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .2s ease, box-shadow .2s ease}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 22px -18px rgba(23,18,42,.5)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;background:var(--brand);position:relative;overflow:hidden}
.logo-mark::after{content:"";position:absolute;left:7px;top:7px;width:20px;height:20px;border:2.5px solid var(--lime);border-radius:50%;border-bottom-color:transparent;border-left-color:transparent;transform:rotate(45deg)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.logo-text em{font-style:normal;font-size:11px;letter-spacing:.28em;color:var(--text-3);margin-top:2px}
.nav-pills{display:none;align-items:center;gap:4px}
.nav-pills a{padding:9px 16px;border-radius:var(--pill);font-size:15px;color:var(--text-2);transition:background .18s ease,color .18s ease}
.nav-pills a:hover{background:var(--brand-soft);color:var(--brand)}
.nav-pills a.active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.nav-right{display:flex;align-items:center;gap:10px}
.burger{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;padding:0 11px}
.burger span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (min-width:1024px){
  .nav-pills{display:flex}
  .burger{display:none}
}

/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:60;visibility:hidden;pointer-events:none}
.drawer.open{visibility:visible;pointer-events:auto}
.drawer-mask{position:absolute;inset:0;background:rgba(23,18,42,.45);opacity:0;transition:opacity .25s ease}
.drawer.open .drawer-mask{opacity:1}
.drawer-panel{position:absolute;top:0;right:0;height:100%;width:86vw;max-width:380px;background:#fff;transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;padding:20px;overflow-y:auto}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-close{align-self:flex-end;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:20px;line-height:1;cursor:pointer;color:var(--text-2)}
.drawer-nav{margin-top:18px;display:flex;flex-direction:column}
.drawer-nav a{font-size:18px;padding:16px 4px;border-bottom:1px solid var(--line);color:var(--ink)}
.drawer-nav a.active{color:var(--brand);font-weight:600}
.drawer-actions{margin-top:auto;padding-top:22px;display:flex;flex-direction:column;gap:10px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:var(--pill);font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease}
.btn-lime{background:var(--lime);color:var(--lime-ink);box-shadow:0 8px 20px -12px rgba(200,245,90,.9)}
.btn-lime:hover{background:#d6ff6e;transform:translateY(-2px);box-shadow:0 14px 28px -14px rgba(150,200,40,.85)}
.btn-ghost{background:#fff;color:var(--ink);border-color:#D8D2E6}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);transform:translateY(-2px)}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:#4a2fd6;transform:translateY(-2px);box-shadow:0 14px 26px -16px rgba(91,61,232,.9)}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn:active{transform:translateY(0)}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.text-link span{transition:transform .18s ease}
.text-link:hover span{transform:translateX(4px)}

/* ---------- 通用板块 ---------- */
.sec{padding:56px 0}
@media (min-width:768px){.sec{padding:76px 0}}
@media (min-width:1024px){.sec{padding:96px 0}}
.sec-head{display:flex;flex-direction:column;gap:8px;margin-bottom:28px}
.sec-head h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--ink)}
.sec-head p{color:var(--text-2);font-size:16px;line-height:1.7}
@media (min-width:768px){
  .sec-head-row{flex-direction:row;align-items:flex-end;justify-content:space-between}
  .sec-head-row>div{max-width:640px}
}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--pill);font-size:12px;font-weight:600;background:var(--brand-soft);color:var(--brand)}
.badge-hot{background:var(--coral);color:#fff}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--pill);background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:44px 0 30px}
.hero::before{content:"";position:absolute;right:-120px;top:-140px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(91,61,232,.14),rgba(91,61,232,0) 68%);pointer-events:none}
.hero::after{content:"";position:absolute;left:-140px;bottom:-160px;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle,rgba(200,245,90,.20),rgba(200,245,90,0) 70%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
@media (min-width:1024px){.hero-grid{grid-template-columns:5fr 7fr;gap:48px}}
.hero h1{font-size:clamp(30px,5vw,54px);font-weight:800;line-height:1.18;letter-spacing:-.02em;margin-top:18px;color:var(--ink)}
.hero h1 .hl{color:var(--brand)}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.8;color:var(--text-2);max-width:34em}
.hero-cta{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px}
.hero-trust{margin-top:24px;display:flex;flex-wrap:wrap;gap:8px 14px;font-size:13px;color:var(--text-3)}
.hero-trust li{position:relative;padding-left:14px}
.hero-trust li::before{content:"";position:absolute;left:0;top:8px;width:5px;height:5px;border-radius:50%;background:var(--brand)}
.hero-visual{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-lift);background:linear-gradient(135deg,#E9E4FF,#DCD3FF)}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-float{position:absolute;right:16px;bottom:16px;background:#fff;border-radius:var(--r-md);padding:12px 16px;display:flex;align-items:center;gap:10px;box-shadow:0 14px 32px -18px rgba(23,18,42,.5)}
.hero-float .dot{width:9px;height:9px;border-radius:50%;background:var(--lime);flex:0 0 9px;box-shadow:0 0 0 4px rgba(200,245,90,.28)}
.hf-t{font-size:14px;font-weight:700;color:var(--ink);line-height:1.4}
.hf-s{font-size:12px;color:var(--text-3);line-height:1.4}

/* ---------- 倒计时 ---------- */
.cd-wrap{padding-top:24px}
.cd-bar{background:var(--brand-deep);border-radius:var(--r-lg);padding:20px 24px;display:flex;flex-wrap:wrap;align-items:center;gap:16px;justify-content:space-between}
.cd-left{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.cd-left p{color:#fff;font-size:15px;font-weight:600}
.cd-tag{background:var(--coral);color:#fff;font-size:12px;font-weight:600;padding:3px 10px;border-radius:var(--pill)}
.cd-timer{display:flex;gap:10px}
.cd-cell{min-width:64px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:8px 10px;text-align:center}
.cd-num{display:block;color:var(--lime);font-size:26px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.cd-unit{display:block;font-size:11px;color:rgba(255,255,255,.72);letter-spacing:.1em;margin-top:2px}
@media (max-width:640px){
  .cd-bar{flex-direction:column;align-items:stretch}
  .cd-timer{width:100%}
  .cd-cell{flex:1;min-width:0}
}

/* ---------- 卖点 ---------- */
.value-wide{display:flex;gap:18px;align-items:flex-start;background:var(--brand-soft);border-radius:var(--r-lg);padding:24px;margin-bottom:20px}
.vw-bar{width:6px;align-self:stretch;border-radius:var(--pill);background:var(--lime);flex:0 0 6px}
.value-wide h3{font-size:19px;font-weight:700;color:var(--ink)}
.value-wide p{margin-top:6px;color:var(--text-2);font-size:15px;line-height:1.8}
.value-grid{display:grid;grid-template-columns:1fr;gap:2px;background:var(--line);border-radius:var(--r-lg);overflow:hidden}
@media (min-width:768px){.value-grid{grid-template-columns:1fr 1fr}}
.vg-item{background:#fff;padding:24px;display:flex;gap:14px;align-items:flex-start;transition:background .2s ease}
.vg-item:hover{background:#FBF9FF}
.vg-num{flex:0 0 38px;width:38px;height:38px;border-radius:50%;border:1.5px solid var(--lime);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.vg-item h3{font-size:18px;font-weight:600;color:var(--ink);line-height:1.45}
.vg-item p{margin-top:6px;font-size:15px;color:var(--text-2);line-height:1.8}

/* ---------- 图墙 ---------- */
.gallery{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.g-cell{position:relative;border-radius:var(--r-lg);overflow:hidden;height:190px;background:linear-gradient(135deg,#DED7FF,#EDE9FF)}
.g-cell img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.g-cell:hover img{transform:scale(1.04)}
.g-cell span{position:absolute;left:12px;top:12px;background:rgba(23,18,42,.72);color:#fff;font-size:12px;padding:4px 10px;border-radius:var(--pill);opacity:0;transform:translateY(-6px);transition:opacity .25s ease,transform .25s ease}
.g-cell:hover span{opacity:1;transform:translateY(0)}
.g-3{grid-column:span 3}
.g-2{grid-column:span 2}
.g-4{grid-column:span 4}
@media (max-width:640px){
  .gallery{grid-template-columns:repeat(2,1fr);gap:12px}
  .g-3,.g-2,.g-4{grid-column:span 1}
  .g-cell{height:140px}
}

/* ---------- 最新信息 ---------- */
.latest-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:1024px){.latest-grid{grid-template-columns:7fr 5fr;gap:28px}}
.lead-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease}
.lead-card:hover{box-shadow:var(--sh-lift);transform:translateY(-4px);border-color:rgba(91,61,232,.35)}
.lead-cover{position:relative;display:block}
.lead-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.lead-cover .badge{position:absolute;left:14px;top:14px}
.lead-body{padding:20px}
.lead-title{font-size:21px;font-weight:700;line-height:1.45;color:var(--ink)}
.lead-title a:hover{color:var(--brand)}
.lead-excerpt{margin-top:10px;font-size:15px;line-height:1.8;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta{margin-top:14px;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.meta .sep{width:3px;height:3px;border-radius:50%;background:#C9C3DA}
.lead-body .text-link{margin-top:14px}
.latest-list{display:flex;flex-direction:column;gap:12px}
.list-item{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:14px;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease}
.list-item:hover{box-shadow:var(--sh-card);transform:translateY(-3px);border-color:rgba(91,61,232,.3)}
.li-thumb{flex:0 0 88px;width:88px;border-radius:var(--r-sm);overflow:hidden;background:var(--brand-soft)}
.li-thumb img{width:100%;height:66px;object-fit:cover}
.li-body h3{font-size:16px;font-weight:600;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.li-body h3:hover{color:var(--brand)}
.li-body p{margin-top:6px;font-size:13px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.li-body .meta{margin-top:8px}
.empty{grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);padding:52px 24px;text-align:center}
.empty svg{margin:0 auto 14px;display:block}
.empty p{font-size:16px;color:var(--text-2)}
.empty .btn{margin-top:18px}

/* ---------- CTA ---------- */
.cta-block{background:var(--brand-deep);border-radius:var(--r-xl);padding:28px;display:grid;grid-template-columns:1fr;gap:26px;position:relative;overflow:hidden}
.cta-block::after{content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(200,245,90,.18),rgba(200,245,90,0) 70%);pointer-events:none}
@media (min-width:1024px){.cta-block{padding:56px;grid-template-columns:1fr 1fr;gap:48px;align-items:center}}
.cta-left h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:#fff;line-height:1.35}
.cta-left>p{margin-top:12px;color:#C9C1E8;font-size:16px;line-height:1.8}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px}
.cta-points li{display:flex;align-items:flex-start;gap:10px;color:#EDE9FF;font-size:15px;line-height:1.7}
.cta-points svg{flex:0 0 18px;margin-top:4px}
.cta-form-card{position:relative;background:#fff;border-radius:var(--r-lg);padding:24px;box-shadow:0 24px 50px -24px rgba(0,0,0,.55)}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:6px}
.field input,.field select{width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-sm);padding:0 14px;background:#FCFBF9;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px var(--brand);background:#fff}
.agree{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:var(--text-3);line-height:1.6;margin:4px 0 14px}
.agree input{margin-top:3px}
.form-note{margin-top:10px;font-size:12px;color:var(--text-3);line-height:1.6}
.form-msg{margin-top:10px;font-size:13px;color:var(--brand);font-weight:600;min-height:18px}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s ease,background .2s ease}
.faq-item[open]{border-color:rgba(91,61,232,.4);background:#FCFAFF}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;cursor:pointer;list-style:none;font-size:16px;font-weight:600;color:var(--ink);border-left:3px solid transparent}
.faq-item[open] summary{border-left-color:var(--brand)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-ic{position:relative;flex:0 0 20px;width:20px;height:20px}
.faq-ic i{position:absolute;left:2px;top:9px;width:16px;height:2px;border-radius:2px;background:var(--brand);transition:transform .22s ease,opacity .22s ease}
.faq-ic i:last-child{transform:rotate(90deg)}
.faq-item[open] .faq-ic i:last-child{transform:rotate(0deg);opacity:0}
.faq-a{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#CFC9E4;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:56px 0 40px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.f-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:#A79FC9;max-width:26em}
.f-lines{margin-top:14px;font-size:13px;color:#A79FC9}
.f-social{margin-top:16px;display:flex;gap:10px}
.f-social a{width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;color:#CFC9E4;transition:background .2s ease,color .2s ease,border-color .2s ease}
.f-social a:hover{background:var(--lime);color:var(--lime-ink);border-color:var(--lime)}
.f-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:14px}
.f-col li{margin-bottom:10px}
.f-col a{font-size:14px;color:#A79FC9;transition:color .18s ease}
.f-col a:hover{color:var(--lime)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;font-size:13px;color:#8F87B4}
.to-top{width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.18);background:transparent;color:#CFC9E4;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s ease,color .2s ease,transform .2s ease}
.to-top:hover{background:var(--lime);color:var(--lime-ink);transform:translateY(-3px)}
.logo-light .logo-text strong{color:#fff}
.logo-light .logo-text em{color:#8F87B4}

/* roulang page: article */
:root{
  --brand:#5B3DE8;
  --brand-deep:#2A1B5E;
  --brand-soft:#EEE9FF;
  --ink:#17122A;
  --text-2:#4B4560;
  --muted:#8A84A0;
  --lime:#C8F55A;
  --lime-ink:#23400A;
  --coral:#FF7A59;
  --sand:#F7F5F1;
  --line:#E7E2DA;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:28px;
  --pill:999px;
  --shadow-card:0 1px 2px rgba(23,18,42,.04), 0 10px 28px -14px rgba(23,18,42,.12);
  --shadow-hover:0 2px 6px rgba(23,18,42,.06), 0 20px 40px -18px rgba(23,18,42,.22);
  --font-cn:-apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--sand);
  -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}
button{cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 24px}}

/* ---------- 顶部公告条 ---------- */
.topbar{background:var(--brand-deep);color:#fff;font-size:13px;line-height:36px}
.topbar-inner{display:flex;align-items:center;gap:10px;height:36px}
.topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);flex:none;box-shadow:0 0 0 3px rgba(200,245,90,.22)}
.topbar .txt{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;opacity:.94}
.topbar .more{margin-left:auto;color:var(--lime);font-weight:600;display:none;align-items:center;gap:6px}
.topbar .more:hover{gap:10px}
.topbar .more{transition:gap .2s ease}
@media (min-width:768px){.topbar .more{display:inline-flex}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;transition:border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 24px -18px rgba(23,18,42,.4)}
.nav{display:flex;align-items:center;gap:18px;height:68px}
@media (max-width:640px){.nav{height:60px}}

.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:24px;height:24px;border-radius:8px;background:var(--brand);position:relative;flex:none;
  box-shadow:0 6px 14px -6px rgba(91,61,232,.7);
}
.logo-mark::after{
  content:"";position:absolute;left:5px;top:11px;width:14px;height:7px;
  border:2.4px solid var(--lime);border-top:none;border-radius:0 0 14px 14px;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.logo-text em{font-style:normal;font-size:10.5px;letter-spacing:.26em;color:var(--muted);margin-top:2px}
.logo-light .logo-text strong{color:#fff}
.logo-light .logo-text em{color:#9C93C4}

.nav-pills{display:none;align-items:center;gap:4px;margin:0 auto}
@media (min-width:1025px){.nav-pills{display:flex}}
.nav-pills a{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:var(--pill);
  font-size:14.5px;font-weight:500;color:var(--text-2);transition:background .2s ease,color .2s ease;
}
.nav-pills a:hover{background:#F4F1FB;color:var(--brand)}
.nav-pills a.active{background:var(--brand-soft);color:var(--brand);font-weight:600}

.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
@media (min-width:1025px){.nav-right{margin-left:0}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s ease, background .2s ease, box-shadow .2s ease, color .2s ease, border-color .2s ease;
}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-lime{background:var(--lime);color:var(--lime-ink);box-shadow:0 10px 22px -14px rgba(200,245,90,.95)}
.btn-lime:hover{background:#D6FA74;transform:translateY(-2px);box-shadow:0 16px 28px -14px rgba(160,210,60,.8)}
.btn-lime:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand);transform:translateY(-2px)}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:#4A2ED6;transform:translateY(-2px);box-shadow:0 16px 30px -16px rgba(91,61,232,.85)}
.btn-white{background:#fff;color:var(--brand-deep);border:1.5px solid #fff}
.btn-white:hover{background:var(--brand-soft);border-color:var(--brand-soft);transform:translateY(-2px)}
.btn-block{width:100%}

.burger{display:flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border-radius:var(--r-sm);align-items:center}
.burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease, opacity .25s ease}
.burger:hover{background:#F4F1FB}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (min-width:1025px){.burger{display:none}}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(23,18,42,.45);z-index:60;opacity:0;transition:opacity .25s ease}
.drawer-mask.show{opacity:1}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86vw;max-width:380px;background:#fff;z-index:61;
  transform:translateX(102%);transition:transform .3s cubic-bezier(.22,.8,.28,1);
  display:flex;flex-direction:column;padding:18px 18px 24px;overflow-y:auto;
}
.drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;border-radius:var(--r-sm);font-size:22px;color:var(--muted);display:flex;align-items:center;justify-content:center}
.drawer-close:hover{background:#F4F1FB;color:var(--brand)}
.drawer-nav{display:flex;flex-direction:column;padding:12px 0}
.drawer-nav a{font-size:18px;font-weight:600;padding:14px 8px;border-bottom:1px solid var(--line);color:var(--ink)}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;padding-top:20px}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb a:hover{color:var(--brand)}
.crumb .sep{opacity:.5}
.crumb .cur{color:var(--text-2);max-width:52vw;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- 文章头 ---------- */
.article-head{padding:26px 0 34px;border-bottom:1px solid var(--line)}
.article-head-inner{max-width:840px}
.badge{
  display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 14px;border-radius:var(--pill);
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;
}
.badge .b-dot{width:6px;height:6px;border-radius:50%;background:var(--brand)}
.badge-coral{background:rgba(255,122,89,.14);color:#C8401C}
.badge-coral .b-dot{background:var(--coral)}
.article-head h1{
  font-size:clamp(26px,4.4vw,38px);font-weight:800;line-height:1.3;letter-spacing:-.015em;
  margin:18px 0 16px;color:var(--ink);
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.meta-row .sep{opacity:.5}
.lead{margin-top:18px;font-size:17px;line-height:1.9;color:var(--text-2)}
.head-rule{width:56px;height:4px;border-radius:2px;background:var(--brand);margin-top:24px}

/* ---------- 布局 ---------- */
.main-wrap{padding:44px 0 72px}
.layout{display:grid;grid-template-columns:1fr;gap:40px}
@media (min-width:1280px){.layout{grid-template-columns:minmax(0,760px) 320px;justify-content:center;gap:56px}}
.reader{max-width:760px;margin:0 auto;width:100%}
@media (min-width:1280px){.reader{margin:0}}

/* ---------- 正文 ---------- */
.article-body{font-size:17px;line-height:1.95;color:var(--ink);word-wrap:break-word}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.5em}
.article-body h2{
  position:relative;font-size:clamp(20px,2.6vw,26px);font-weight:700;line-height:1.4;
  margin:2.4em 0 .9em;padding-left:16px;letter-spacing:-.01em;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;background:var(--lime)}
.article-body h3{font-size:19px;font-weight:600;line-height:1.5;margin:1.9em 0 .7em;color:var(--ink)}
.article-body h4{font-size:17px;font-weight:600;margin:1.6em 0 .6em;color:var(--text-2)}
.article-body ul,.article-body ol{margin:0 0 1.5em}
.article-body ul li{position:relative;padding-left:24px;margin-bottom:.65em}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:3px;background:var(--brand)}
.article-body ol{counter-reset:li;padding-left:0}
.article-body ol li{position:relative;padding-left:36px;margin-bottom:.65em;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.35em;width:22px;height:22px;border-radius:50%;
  border:1.6px solid var(--lime);color:#3F6614;font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;line-height:1;
}
.article-body blockquote{margin:1.7em 0;padding:18px 22px;background:var(--sand);border-left:4px solid var(--lime);border-radius:var(--r-md);color:var(--text-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:1.7em auto;height:auto}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#3F22C4}
.article-body strong{font-weight:700}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.4em 0}
.article-body code{background:#F1EDFF;color:#3F22C4;padding:2px 7px;border-radius:6px;font-size:14.5px}
.article-body pre{
  background:#F7F5F1;border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.7;margin:0 0 1.6em;
}
.article-body pre code{background:none;padding:0;color:var(--ink)}
.article-body .table-wrap{overflow-x:auto;margin:0 0 1.7em;border:1px solid var(--line);border-radius:var(--r-md)}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px}
.article-body thead th{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;text-align:left}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:#FCFBF9}
.article-body tbody tr:last-child td{border-bottom:none}

/* ---------- 空态 ---------- */
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:56px 28px;text-align:center;box-shadow:var(--shadow-card);
}
.empty-state .ico{
  width:56px;height:56px;margin:0 auto 18px;border-radius:18px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
}
.empty-state h2{font-size:20px;font-weight:700;margin-bottom:8px}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px}

/* ---------- 文末 ---------- */
.article-foot{margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:26px}
.tag-row .lbl{font-size:13px;color:var(--muted);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--pill);
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:500;transition:background .2s ease,color .2s ease;
}
.tag:hover{background:var(--brand);color:#fff}
.prev-next{display:grid;grid-template-columns:1fr;gap:14px;margin-bottom:26px}
@media (min-width:640px){.prev-next{grid-template-columns:1fr 1fr}}
.pn{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 18px;transition:border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.pn:hover{border-color:rgba(91,61,232,.45);box-shadow:var(--shadow-card);transform:translateY(-3px)}
.pn span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:6px}
.pn strong{display:block;font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.55;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;transition:color .2s ease}
.pn:hover strong{color:var(--brand)}
.pn.next{text-align:right}
.back-center{text-align:center}

/* ---------- 相关推荐 ---------- */
.related{margin-top:64px;padding-top:44px;border-top:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.01em}
.sec-head p{font-size:14px;color:var(--muted);margin-top:6px}
.sec-link{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;transition:gap .2s ease}
.sec-link:hover{gap:11px}
.card-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(91,61,232,.35)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#EEE9FF,#E4F7C9)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.05)}
.card-media .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);backdrop-filter:blur(6px)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:17px;font-weight:600;line-height:1.55;margin-bottom:10px;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.card-body p{font-size:14.5px;color:var(--text-2);line-height:1.75;margin-bottom:16px;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}
.card-meta .go{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:5px;transition:gap .2s ease}
.card:hover .card-meta .go{gap:10px}

/* ---------- 侧栏 ---------- */
.sidebar{display:none}
@media (min-width:1280px){.sidebar{display:block}}
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
.side-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow-card)}
.side-box h3{font-size:16px;font-weight:700;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.side-list{display:flex;flex-direction:column;gap:14px}
.side-list a{display:block;font-size:14.5px;line-height:1.6;color:var(--text-2);transition:color .2s ease}
.side-list a:hover{color:var(--brand)}
.side-list span{display:block;font-size:12.5px;color:var(--muted);margin-top:4px}
.side-cta{
  background:linear-gradient(150deg,#2A1B5E,#4A2ED6);color:#fff;border-radius:var(--r-lg);
  padding:24px 22px;box-shadow:var(--shadow-card);
}
.side-cta h3{font-size:17px;font-weight:700;margin-bottom:8px}
.side-cta p{font-size:14px;color:#CFC9E4;line-height:1.75;margin-bottom:18px}
.toc{display:flex;flex-direction:column;gap:2px}
.toc a{font-size:14.5px;color:var(--text-2);padding:9px 12px;border-radius:var(--r-sm);border-left:2px solid transparent;transition:all .2s ease}
.toc a:hover{background:var(--brand-soft);color:var(--brand);border-left-color:var(--brand)}

/* ---------- 底部转化条 ---------- */
.cta-band{margin-top:72px}
.cta-inner{
  background:linear-gradient(140deg,#2A1B5E 0%,#3D2597 58%,#5B3DE8 100%);
  border-radius:var(--r-xl);padding:36px 28px;color:#fff;
  display:flex;flex-direction:column;gap:24px;position:relative;overflow:hidden;
}
@media (min-width:900px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:46px 52px}}
.cta-inner::after{
  content:"";position:absolute;right:-60px;top:-70px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle, rgba(200,245,90,.34), transparent 68%);
}
.cta-inner h2{font-size:clamp(21px,2.6vw,28px);font-weight:700;line-height:1.35;margin-bottom:10px;position:relative}
.cta-inner p{font-size:15px;color:#D6D0EE;line-height:1.8;max-width:520px;position:relative}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:88px;background:var(--ink);color:#CFC9E4;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:44px}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px}}
.f-brand p{font-size:14px;line-height:1.85;color:#A49CC6;margin-top:16px;max-width:320px}
.f-lines{font-size:13.5px;color:#8F87B4;margin-top:10px}
.f-social{display:flex;gap:10px;margin-top:20px}
.f-social a{
  width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:center;color:#CFC9E4;transition:all .2s ease;
}
.f-social a:hover{background:var(--lime);border-color:var(--lime);color:var(--lime-ink);transform:translateY(-2px)}
.f-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.f-col ul{display:flex;flex-direction:column;gap:11px}
.f-col a{font-size:14px;color:#A49CC6;transition:color .2s ease}
.f-col a:hover{color:var(--lime)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:#8F87B4;
}
.footer-bottom .spacer{flex:1}
.to-top{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:var(--pill);
  border:1px solid rgba(255,255,255,.16);color:#CFC9E4;font-size:13px;transition:all .2s ease;
}
.to-top:hover{background:var(--lime);border-color:var(--lime);color:var(--lime-ink)}

/* roulang page: category1 */
:root{
    --brand:#5B3DE8;
    --brand-deep:#2A1B5E;
    --ink:#17122A;
    --brand-soft:#EEE9FF;
    --lime:#C8F55A;
    --lime-ink:#23400A;
    --coral:#FF7A59;
    --sand:#F7F5F1;
    --line:#E7E2DA;
    --text-2:#4B4560;
    --text-3:#8A84A0;
    --r-sm:10px;
    --r-md:16px;
    --r-lg:20px;
    --r-xl:28px;
    --pill:999px;
    --sh-card:0 1px 2px rgba(23,18,42,.04), 0 10px 28px -14px rgba(23,18,42,.12);
    --sh-lift:0 2px 6px rgba(23,18,42,.06), 0 20px 40px -18px rgba(23,18,42,.24);
    --font-cn:-apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--sand);
    color:var(--ink);
    font-family:var(--font-cn);
    font-size:16px;
    line-height:1.9;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
  }
  @media (min-width:1024px){ body{font-size:17px} }
  img{max-width:100%;display:block;border:0}
  a{color:var(--brand);text-decoration:none}
  a:hover{color:var(--brand-deep)}
  button{font-family:inherit}
  h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
  p{margin:0}
  ul,ol{margin:0;padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

  body .container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
  @media (min-width:768px){ body .container{padding:0 24px} }

  /* ============ 顶部公告条 ============ */
  .topbar{
    background:var(--brand-deep);
    color:#fff;
    font-size:13px;
    line-height:1.4;
  }
  .topbar .container{
    min-height:36px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:14px;
  }
  .topbar-left{display:flex;align-items:center;gap:9px;min-width:0}
  .topbar-left .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);flex:none}
  .topbar-left span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .topbar-link{color:var(--lime);font-weight:600;white-space:nowrap}
  .topbar-link:hover{color:#fff}
  @media (max-width:640px){ .topbar-left span{font-size:12px} }

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:50;
    background:rgba(255,255,255,.94);
    backdrop-filter:saturate(160%) blur(8px);
    border-bottom:1px solid transparent;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .site-header.is-scrolled{
    border-bottom-color:var(--line);
    box-shadow:0 8px 24px -14px rgba(23,18,42,.28);
  }
  .nav{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    min-height:60px;
  }
  @media (min-width:1024px){ .nav{min-height:68px} }

  .logo{display:flex;align-items:center;gap:10px;color:var(--ink)}
  .logo:hover{color:var(--ink)}
  .logo-mark{
    position:relative;
    width:26px;height:26px;flex:none;
    border-radius:9px;
    background:var(--brand);
    display:inline-block;
  }
  .logo-mark::after{
    content:"";
    position:absolute;
    left:7px;top:6px;right:5px;bottom:9px;
    border-top:2.5px solid var(--lime);
    border-right:2.5px solid var(--lime);
    border-radius:0 9px 0 0;
    transform:rotate(-6deg);
  }
  .logo-text{display:flex;flex-direction:column;line-height:1.15}
  .logo-text strong{font-size:15px;font-weight:800;letter-spacing:.005em}
  .logo-text em{font-style:normal;font-size:10.5px;color:var(--text-3);letter-spacing:.34em}

  .nav-pills{display:none;align-items:center;gap:4px}
  @media (min-width:1024px){ .nav-pills{display:flex} }
  .nav-pills a{
    display:inline-block;
    padding:9px 15px;
    border-radius:var(--pill);
    font-size:14.5px;
    font-weight:500;
    color:var(--text-2);
    transition:background .18s ease,color .18s ease;
    white-space:nowrap;
  }
  .nav-pills a:hover{background:var(--brand-soft);color:var(--brand)}
  .nav-pills a.active{background:var(--brand-soft);color:var(--brand);font-weight:700}

  .nav-right{display:flex;align-items:center;gap:10px}
  .nav-right .btn-sm{display:none}
  @media (min-width:640px){ .nav-right .btn-sm{display:inline-flex} }

  .burger{
    width:44px;height:44px;
    display:inline-flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:5px;
    border:1.5px solid var(--line);
    background:#fff;
    border-radius:14px;
    cursor:pointer;
    transition:border-color .18s ease,background .18s ease;
  }
  .burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease}
  .burger:hover{border-color:var(--brand);background:var(--brand-soft)}
  @media (min-width:1024px){ .burger{display:none} }

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:48px;
    padding:0 26px;
    border-radius:var(--pill);
    font-size:15.5px;
    font-weight:700;
    border:1.5px solid transparent;
    cursor:pointer;
    text-align:center;
    transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
  }
  .btn-lime{background:var(--lime);color:var(--lime-ink);box-shadow:0 12px 26px -16px rgba(35,64,10,.75)}
  .btn-lime:hover{background:#d8ff78;color:var(--lime-ink);transform:translateY(-2px);box-shadow:0 18px 32px -16px rgba(35,64,10,.6)}
  .btn-lime:active{transform:translateY(0)}
  .btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
  .btn-outline:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand);transform:translateY(-2px)}
  .btn-sm{min-height:40px;padding:0 18px;font-size:14.5px}

  /* ============ 抽屉 ============ */
  .drawer{
    position:fixed;
    inset:0;
    z-index:80;
    background:rgba(23,18,42,.42);
    opacity:0;
    visibility:hidden;
    transition:opacity .25s ease,visibility .25s ease;
  }
  .drawer.open{opacity:1;visibility:visible}
  .drawer-panel{
    position:absolute;
    top:0;right:0;
    width:86vw;
    max-width:360px;
    height:100%;
    background:#fff;
    padding:22px 20px;
    display:flex;
    flex-direction:column;
    transform:translateX(100%);
    transition:transform .28s ease;
    overflow-y:auto;
  }
  .drawer.open .drawer-panel{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
  .drawer-close{
    width:44px;height:44px;
    border:1.5px solid var(--line);
    background:#fff;
    border-radius:14px;
    font-size:20px;
    line-height:1;
    color:var(--text-2);
    cursor:pointer;
  }
  .drawer-close:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
  .drawer-nav{display:flex;flex-direction:column;padding:14px 0}
  .drawer-nav a{
    font-size:18px;
    font-weight:600;
    color:var(--ink);
    padding:15px 4px;
    border-bottom:1px solid var(--line);
  }
  .drawer-nav a.active{color:var(--brand)}
  .drawer-nav a:hover{color:var(--brand)}
  .drawer-foot{margin-top:auto;padding-top:22px;display:flex;flex-direction:column;gap:10px}
  .drawer-foot .btn{width:100%}

  /* ============ Hero ============ */
  .hero{
    position:relative;
    overflow:hidden;
    padding:44px 0 40px;
    background:
      radial-gradient(620px 320px at 88% 4%, rgba(91,61,232,.10), transparent 68%),
      radial-gradient(520px 300px at 4% 96%, rgba(200,245,90,.20), transparent 70%),
      var(--sand);
  }
  @media (min-width:1024px){ .hero{padding:72px 0 64px} }
  .hero-grid{display:grid;gap:32px}
  @media (min-width:1024px){
    .hero-grid{grid-template-columns:5fr 7fr;align-items:center;gap:52px}
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:7px 14px;
    border-radius:var(--pill);
    background:var(--brand-soft);
    color:var(--brand);
    font-size:13px;
    font-weight:700;
    letter-spacing:.02em;
  }
  .eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block}
  .hero h1{
    margin-top:18px;
    font-size:clamp(30px,5vw,54px);
    font-weight:800;
    line-height:1.18;
    letter-spacing:-.02em;
  }
  .hero-sub{
    margin-top:16px;
    font-size:17px;
    line-height:1.8;
    color:var(--text-2);
    max-width:30em;
  }
  @media (min-width:1024px){ .hero-sub{font-size:18px} }
  .hero-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px}
  .trust{margin-top:26px;display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;font-size:13px;color:var(--text-3)}
  .trust li{display:flex;align-items:center;gap:8px}
  .trust li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(200,245,90,.35)}
  .hero-media{position:relative}
  .hero-media img{
    width:100%;
    aspect-ratio:16/11;
    object-fit:cover;
    border-radius:var(--r-xl);
    box-shadow:var(--sh-lift);
    background:linear-gradient(135deg,#EEE9FF,#E4F7C4);
  }
  .float-card{
    position:absolute;
    right:14px;
    bottom:14px;
    max-width:238px;
    background:#fff;
    border-radius:var(--r-md);
    padding:14px 16px;
    box-shadow:var(--sh-card);
    border:1px solid var(--line);
  }
  .float-card p{font-size:13.5px;line-height:1.6;color:var(--text-2)}
  .float-card strong{font-size:14px;color:var(--ink);display:block}
  .float-card .fc-sub{color:var(--text-3);font-size:12.5px;margin-top:2px}
  .fc-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--lime);margin-bottom:6px;box-shadow:0 0 0 4px rgba(200,245,90,.35)}
  @media (max-width:640px){
    .float-card{position:static;max-width:none;margin-top:14px}
  }

  /* ============ 通用板块 ============ */
  .section{padding:56px 0}
  @media (min-width:1024px){ .section{padding:92px 0} }
  .section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .sec-head{max-width:760px;margin-bottom:34px}
  .sec-tag{
    display:inline-block;
    padding:6px 13px;
    border-radius:var(--pill);
    background:var(--brand-soft);
    color:var(--brand);
    font-size:12.5px;
    font-weight:700;
    letter-spacing:.06em;
  }
  .sec-head h2{
    margin-top:14px;
    font-size:clamp(24px,3vw,36px);
    font-weight:700;
    line-height:1.3;
  }
  .sec-head p{margin-top:12px;color:var(--text-2);font-size:16px}

  /* ============ 时间轴 ============ */
  .timeline{position:relative;margin-top:8px}
  .timeline::before{
    content:"";
    position:absolute;
    left:21px;top:14px;bottom:26px;
    width:2px;
    background:linear-gradient(180deg,var(--brand),rgba(91,61,232,.18));
    border-radius:2px;
  }
  .step{position:relative;padding-left:66px;padding-bottom:38px}
  .step:last-child{padding-bottom:0}
  .step-num{
    position:absolute;left:0;top:0;
    width:44px;height:44px;
    border-radius:50%;
    border:2px solid var(--lime);
    background:#fff;
    color:var(--brand);
    font-weight:800;
    font-size:15px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-variant-numeric:tabular-nums;
    box-shadow:0 6px 16px -10px rgba(23,18,42,.4);
  }
  .step.is-active .step-num{background:var(--brand);border-color:var(--brand);color:#fff}
  .step h3{font-size:18px;font-weight:700;line-height:1.45}
  @media (min-width:1024px){ .step h3{font-size:19.5px} }
  .step p{margin-top:9px;color:var(--text-2);font-size:16px;line-height:1.85;max-width:44em}
  .step-shot{
    margin-top:16px;
    max-width:330px;
    border-radius:var(--r-md);
    overflow:hidden;
    border:1px solid var(--line);
    background:#fff;
    box-shadow:var(--sh-card);
  }
  .step-shot img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
  .step-shot:hover img{transform:scale(1.04)}
  @media (max-width:640px){
    .timeline::before{left:17px}
    .step{padding-left:52px;padding-bottom:32px}
    .step-num{width:36px;height:36px;font-size:14px}
  }

  .hint-card{
    margin-top:36px;
    background:var(--brand-soft);
    border-radius:var(--r-lg);
    padding:26px 24px;
    display:grid;
    gap:18px;
  }
  @media (min-width:900px){
    .hint-card{grid-template-columns:1fr auto;align-items:center;padding:30px 34px}
  }
  .hint-card h3{font-size:18px;font-weight:700}
  .hint-card p{margin-top:8px;color:var(--text-2);font-size:15.5px;max-width:52em}

  /* ============ 场景卡（非对称） ============ */
  .scene-grid{display:grid;gap:20px;grid-template-columns:1fr}
  @media (min-width:768px){
    .scene-grid{grid-template-columns:repeat(6,1fr)}
    .scene-card:nth-child(1){grid-column:span 4}
    .scene-card:nth-child(2){grid-column:span 2}
    .scene-card:nth-child(3){grid-column:span 2}
    .scene-card:nth-child(4){grid-column:span 4}
  }
  .scene-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:24px;
    box-shadow:var(--sh-card);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lift);border-color:rgba(91,61,232,.28)}
  .scene-card .scene-no{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:34px;height:34px;
    border-radius:50%;
    border:2px solid var(--lime);
    color:var(--brand);
    font-weight:800;
    font-size:13px;
    font-variant-numeric:tabular-nums;
  }
  .scene-card h3{margin-top:14px;font-size:18px;font-weight:700;line-height:1.45}
  .scene-card p{margin-top:9px;color:var(--text-2);font-size:15.5px;line-height:1.8}
  .scene-card .scene-meta{
    margin-top:16px;
    display:inline-block;
    font-size:13px;
    color:var(--text-3);
    border-top:1px dashed var(--line);
    padding-top:12px;
    width:100%;
  }
  .scene-card.wide{
    background:linear-gradient(180deg,#fff,#FBFAFF);
  }

  /* ============ 自检清单 ============ */
  .check-wrap{display:grid;gap:28px}
  @media (min-width:1024px){
    .check-wrap{grid-template-columns:5fr 7fr;gap:52px;align-items:start}
  }
  .check-media{
    border-radius:var(--r-lg);
    overflow:hidden;
    border:1px solid var(--line);
    box-shadow:var(--sh-card);
    background:#fff;
  }
  .check-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
  .check-media figcaption{font-size:13px;color:var(--text-3);padding:12px 16px;border-top:1px solid var(--line)}
  .check-list{display:flex;flex-direction:column}
  .check-list li{
    display:grid;
    grid-template-columns:26px 1fr;
    gap:14px;
    padding:18px 0;
    border-bottom:1px dashed var(--line);
  }
  .check-list li:first-child{padding-top:0}
  .check-list li:last-child{border-bottom:0}
  .check-icon{
    width:24px;height:24px;
    border-radius:8px;
    background:var(--brand-soft);
    color:var(--brand);
    display:flex;align-items:center;justify-content:center;
    font-size:13px;font-weight:800;
    margin-top:5px;
  }
  .check-list h3{font-size:16.5px;font-weight:700}
  .check-list p{margin-top:6px;color:var(--text-2);font-size:15.5px;line-height:1.8}

  /* ============ FAQ ============ */
  .faq-wrap{max-width:860px;margin:0 auto}
  .faq-item{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-md);
    margin-bottom:12px;
    overflow:hidden;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item[open]{border-color:rgba(91,61,232,.3);box-shadow:var(--sh-card);background:linear-gradient(90deg,var(--brand-soft),#fff 60%)}
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:20px 22px;
    font-size:16.5px;
    font-weight:600;
    position:relative;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item[open] summary{color:var(--brand)}
  .faq-item[open] summary::before{
    content:"";
    position:absolute;left:0;top:14px;bottom:14px;width:3px;
    background:var(--brand);border-radius:0 3px 3px 0;
  }
  .faq-item summary::after{
    content:"+";
    flex:none;
    width:28px;height:28px;
    border-radius:50%;
    background:var(--brand-soft);
    color:var(--brand);
    display:flex;align-items:center;justify-content:center;
    font-size:17px;font-weight:700;
    transition:transform .2s ease;
  }
  .faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
  .faq-body{padding:0 22px 22px;color:var(--text-2);font-size:15.5px;line-height:1.85}

  /* ============ 底部转化条 ============ */
  .cta-band{
    background:var(--brand-deep);
    border-radius:var(--r-xl);
    padding:30px 24px;
    display:grid;
    gap:20px;
    color:#fff;
    background-image:radial-gradient(420px 220px at 92% 12%, rgba(200,245,90,.18), transparent 70%);
  }
  @media (min-width:900px){
    .cta-band{grid-template-columns:1fr auto;align-items:center;padding:42px 48px;gap:32px}
  }
  .cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35}
  .cta-band p{margin-top:10px;color:#CFC9E4;font-size:15.5px;max-width:44em}
  .cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
  .cta-band .btn-outline{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
  .cta-band .btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}

  /* ============ 页脚 ============ */
  .site-footer{
    background:var(--ink);
    color:#CFC9E4;
    margin-top:56px;
    padding:52px 0 24px;
    font-size:14.5px;
  }
  @media (min-width:1024px){ .site-footer{padding:68px 0 26px;margin-top:88px} }
  .footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
  @media (min-width:640px){ .footer-grid{grid-template-columns:1fr 1fr} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px} }
  .f-brand .logo{color:#fff}
  .f-brand .logo:hover{color:#fff}
  .f-brand .logo-text strong{color:#fff}
  .f-brand .logo-text em{color:#8A84A0}
  .f-brand p{margin-top:14px;color:#CFC9E4;font-size:14px;line-height:1.8;max-width:30em}
  .f-lines{margin-top:8px;color:#8A84A0;font-size:13px}
  .f-social{margin-top:18px;display:flex;gap:10px}
  .f-social a{
    width:40px;height:40px;
    border-radius:50%;
    border:1px solid rgba(255,255,255,.18);
    color:#CFC9E4;
    display:flex;align-items:center;justify-content:center;
    transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
  }
  .f-social a:hover{background:var(--lime);color:var(--lime-ink);border-color:var(--lime);transform:translateY(-2px)}
  .f-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}
  .f-col ul{display:flex;flex-direction:column;gap:10px}
  .f-col a{color:#CFC9E4;font-size:14px;transition:color .18s ease}
  .f-col a:hover{color:var(--lime)}
  .footer-bottom{
    margin-top:36px;
    padding-top:20px;
    border-top:1px solid rgba(255,255,255,.12);
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    font-size:13px;
    color:#8A84A0;
  }
  .to-top{
    width:42px;height:42px;
    border-radius:50%;
    border:1px solid rgba(255,255,255,.2);
    background:transparent;
    color:#CFC9E4;
    cursor:pointer;
    display:inline-flex;align-items:center;justify-content:center;
    transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
  }
  .to-top:hover{background:var(--lime);color:var(--lime-ink);border-color:var(--lime);transform:translateY(-3px)}

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

/* roulang page: category2 */
:root{
  --brand:#5B3DE8;
  --brand-deep:#2A1B5E;
  --ink:#17122A;
  --brand-soft:#EEE9FF;
  --lime:#C8F55A;
  --lime-ink:#23400A;
  --coral:#FF7A59;
  --sand:#F7F5F1;
  --line:#E7E2DA;
  --sub:#4B4560;
  --mute:#8A84A0;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:28px;
  --shadow:0 1px 2px rgba(23,18,42,.04), 0 10px 28px -14px rgba(23,18,42,.12);
  --shadow-hover:0 6px 16px rgba(23,18,42,.07), 0 22px 46px -20px rgba(23,18,42,.24);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--sand);
  color:var(--ink);
  font-size:17px;
  line-height:1.9;
}
@media (max-width:640px){body{font-size:16px}}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 24px}}

/* ---------- 公告条 ---------- */
.topbar{background:var(--brand-deep);color:#EDE9FF;font-size:13px;height:36px;display:flex;align-items:center}
.topbar .container{display:flex;align-items:center;gap:10px}
.topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);flex:0 0 auto;box-shadow:0 0 0 4px rgba(200,245,90,.18)}
.topbar .tb-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar .tb-link{margin-left:auto;color:var(--lime);display:inline-flex;align-items:center;gap:4px;font-weight:600}
.topbar .tb-link:hover{text-decoration:underline}
@media (max-width:640px){.topbar .tb-link{display:none}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:.25s;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 8px 24px -18px rgba(23,18,42,.35)}
.nav{display:flex;align-items:center;gap:20px;height:68px}
@media (max-width:640px){.nav{height:60px;gap:12px}}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:26px;height:26px;border-radius:8px;background:var(--brand);position:relative;flex:0 0 auto}
.logo-mark::after{
  content:"";position:absolute;left:6px;top:7px;width:13px;height:13px;
  border:2.5px solid var(--lime);border-right-color:transparent;border-bottom-color:transparent;
  border-radius:50%;transform:rotate(45deg);
}
.logo-text{display:flex;flex-direction:column;line-height:1.12}
.logo-text strong{font-size:15px;font-weight:800;letter-spacing:.01em}
.logo-text em{font-style:normal;font-size:11px;letter-spacing:.24em;color:var(--mute)}
.logo-light .logo-mark{background:#3B2A7A}
.logo-light .logo-text strong{color:#fff}
.logo-light .logo-text em{color:#B7AEDB}
.nav-pills{display:none;gap:4px;margin-left:6px}
@media (min-width:1024px){.nav-pills{display:flex}}
.nav-pills a{padding:9px 15px;border-radius:999px;font-size:14.5px;color:var(--sub);font-weight:500;transition:.2s}
.nav-pills a:hover{background:#F2EFFB;color:var(--brand)}
.nav-pills a.active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.burger{display:flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;background:#fff}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:.2s}
.burger:hover{border-color:var(--brand)}
@media (min-width:1024px){.burger{display:none}}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;
  font-weight:600;transition:transform .18s, box-shadow .18s, background .18s, border-color .18s, color .18s;
  min-height:44px;padding:0 22px;font-size:15px;white-space:nowrap}
.btn-sm{min-height:40px;padding:0 18px;font-size:14.5px}
.btn-lime{background:var(--lime);color:var(--lime-ink);box-shadow:0 8px 20px -12px rgba(120,170,20,.8)}
.btn-lime:hover{transform:translateY(-2px);background:#D6FA7A;box-shadow:0 14px 26px -12px rgba(120,170,20,.75)}
.btn-lime:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}
.btn-dark{background:var(--brand-deep);color:#fff}
.btn-dark:hover{transform:translateY(-2px);background:#36247A}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px}
.btn-text svg{transition:transform .2s}
.btn-text:hover svg{transform:translateX(4px)}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;top:0;right:0;bottom:0;width:86vw;max-width:380px;background:#fff;z-index:80;
  transform:translateX(100%);transition:transform .3s ease;display:flex;flex-direction:column;padding:22px 20px 20px;overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-mask{position:fixed;inset:0;background:rgba(23,18,42,.45);z-index:70;opacity:0;visibility:hidden;transition:.25s}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;font-size:20px;color:var(--sub)}
.drawer-nav{padding:14px 0;display:flex;flex-direction:column}
.drawer-nav a{padding:15px 4px;font-size:18px;font-weight:600;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.drawer-nav a.active{color:var(--brand)}
.drawer-nav a span.arw{color:var(--mute);font-weight:400}
.drawer-foot{margin-top:auto;padding-top:18px;display:flex;flex-direction:column;gap:10px}

/* ---------- 分类 Hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#FBFAFF 0%,#F7F5F1 100%);border-bottom:1px solid var(--line)}
.cat-hero::before{content:"";position:absolute;top:-160px;right:-80px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle, rgba(91,61,232,.14), transparent 68%)}
.cat-hero::after{content:"";position:absolute;bottom:-180px;left:-90px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle, rgba(200,245,90,.22), transparent 70%)}
.cat-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:28px;padding:44px 0 52px}
@media (min-width:1024px){
  .cat-hero-inner{grid-template-columns:1.3fr .7fr;align-items:center;gap:48px;padding:68px 0 76px}
}
.crumbs{font-size:13px;color:var(--mute);display:flex;gap:8px;align-items:center;margin-bottom:18px;flex-wrap:wrap}
.crumbs a:hover{color:var(--brand)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:18px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.cat-hero h1{font-size:clamp(28px,4.4vw,46px);font-weight:800;line-height:1.2;letter-spacing:-.02em}
.cat-hero h1 .hl{color:var(--brand)}
.cat-sub{margin-top:16px;font-size:17px;line-height:1.85;color:var(--sub);max-width:620px}
.cat-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.trust-line{margin-top:24px;display:flex;flex-wrap:wrap;gap:8px 16px;font-size:13px;color:var(--mute)}
.trust-line span{display:inline-flex;align-items:center;gap:6px}
.trust-line span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--lime)}
.cat-hero-media{position:relative}
.cat-hero-media .frame{position:relative;border-radius:var(--r-xl);overflow:hidden;background:linear-gradient(135deg,#E9E3FF,#D9F5A8);aspect-ratio:16/10;box-shadow:var(--shadow)}
.cat-hero-media img{width:100%;height:100%;object-fit:cover}
.cat-hero-media .float-card{position:absolute;right:14px;bottom:-14px;background:#fff;border-radius:var(--r-md);
  padding:12px 16px;box-shadow:var(--shadow);display:flex;align-items:center;gap:10px;max-width:78%}
.cat-hero-media .float-card i{width:10px;height:10px;border-radius:50%;background:var(--lime);display:block;flex:0 0 auto}
.cat-hero-media .float-card p{font-size:13px;line-height:1.5;color:var(--sub)}
.cat-hero-media .float-card strong{display:block;font-size:14px;color:var(--ink)}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.section-head{max-width:760px;margin-bottom:32px}
@media (min-width:1024px){.section-head{margin-bottom:40px}}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3}
.section-head p{margin-top:12px;color:var(--sub);font-size:16px}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* ---------- 筛选胶囊 ---------- */
.filter-wrap{padding-top:32px}
@media (min-width:1024px){.filter-wrap{padding-top:44px}}
.filter-bar{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 12px;scrollbar-width:none;-ms-overflow-style:none}
.filter-bar::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;padding:9px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14.5px;color:var(--sub);font-weight:500;transition:.2s;min-height:42px;display:inline-flex;align-items:center}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}

/* ---------- 权益卡片 ---------- */
.offer-grid{display:grid;grid-template-columns:1fr;gap:24px;margin-top:20px}
@media (min-width:640px){.offer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.offer-grid{grid-template-columns:repeat(3,1fr);gap:28px}}
.offer-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .22s, box-shadow .22s, border-color .22s}
.offer-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(91,61,232,.4)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#EDE8FF,#E3F7B8)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.offer-card:hover .card-media img{transform:scale(1.04)}
.card-badge{position:absolute;left:12px;top:12px;background:rgba(23,18,42,.78);color:#fff;
  font-size:12px;font-weight:600;padding:5px 11px;border-radius:999px;backdrop-filter:blur(4px)}
.card-badge.hot{background:var(--coral)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:19px;font-weight:600;line-height:1.45}
.card-body .desc{margin-top:8px;font-size:15px;line-height:1.75;color:var(--sub);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;
  gap:10px;border-top:1px dashed var(--line);font-size:13px;color:var(--mute)}
.card-meta .state{color:var(--brand);font-weight:600}
.card-meta .state.soon{color:var(--coral)}

/* ---------- 等级权益 ---------- */
.tier-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tier-layout{display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:1024px){.tier-layout{grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}}
.tier-side p{color:var(--sub);margin-top:14px}
.tier-side .mini{border-left:3px solid var(--lime);padding:12px 0 12px 16px;background:var(--sand);
  border-radius:0 var(--r-md) var(--r-md) 0;margin-top:24px}
.tier-side .mini strong{display:block;font-size:15px;font-weight:700;margin-bottom:4px}
.tier-side .mini span{font-size:14px;color:var(--sub);line-height:1.7}
.tier-row{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start;padding:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:14px;transition:.22s}
.tier-row:hover{border-color:rgba(91,61,232,.45);transform:translateX(4px)}
.tier-num{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-weight:800;
  font-size:15px;color:var(--brand);border:2px solid var(--lime);background:#FAFFEF;flex:0 0 auto}
.tier-row h3{font-size:18px;font-weight:600;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tier-row .tag{font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand)}
.tier-row .tag.c{background:rgba(255,122,89,.14);color:#C24A2B}
.tier-row p{margin-top:6px;font-size:14.5px;color:var(--sub);line-height:1.75}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:640px){.flow-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.flow-grid{grid-template-columns:repeat(4,1fr);gap:24px}}
.flow-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 20px}
.flow-item .fnum{font-size:13px;font-weight:800;color:var(--lime-ink);background:var(--lime);
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;margin-bottom:14px}
.flow-item h3{font-size:17px;font-weight:600}
.flow-item p{margin-top:8px;font-size:14.5px;color:var(--sub);line-height:1.75}
@media (min-width:1024px){
  .flow-item::after{content:"";position:absolute;top:38px;right:-14px;width:14px;height:2px;
    background:repeating-linear-gradient(90deg,var(--line) 0 4px,transparent 4px 8px)}
  .flow-item:last-child::after{display:none}
}

/* ---------- 数据条 ---------- */
.stats-band{background:var(--brand-deep);border-radius:var(--r-xl);padding:34px 26px;color:#fff;
  display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
@media (min-width:768px){.stats-band{grid-template-columns:repeat(4,1fr);padding:40px 44px}}
.stat-num{font-size:clamp(26px,3.4vw,36px);font-weight:800;color:var(--lime);font-variant-numeric:tabular-nums;line-height:1.1}
.stat-label{margin-top:8px;font-size:14px;color:#CFC9E4;line-height:1.6}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:.22s;position:relative}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:.22s}
.faq-item.open{border-color:rgba(91,61,232,.35);background:#FCFBFF}
.faq-item.open::before{background:var(--brand)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  padding:18px 20px;font-size:16.5px;font-weight:600;color:var(--ink)}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:17px;font-weight:700;transition:transform .2s}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--sub)}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--brand-deep);border-radius:var(--r-xl);padding:36px 26px;color:#fff;
  display:flex;flex-direction:column;gap:24px}
@media (min-width:768px){.cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:48px 56px}}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35}
.cta-band p{margin-top:10px;color:#CFC9E4;font-size:15.5px;max-width:560px}
.cta-points{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:#D9D4EC}
.cta-points span{display:inline-flex;align-items:center;gap:8px}
.cta-points span::before{content:"✓";color:var(--lime);font-weight:800}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:#17122A;color:#CFC9E4;margin-top:64px;padding:52px 0 26px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.f-brand .logo{margin-bottom:16px}
.f-brand p{line-height:1.8;color:#B7AEDB;max-width:320px}
.f-brand .f-lines{margin-top:8px;color:#9C93C4;font-size:13.5px}
.f-social{display:flex;gap:10px;margin-top:18px}
.f-social a{width:38px;height:38px;border-radius:50%;border:1px solid rgba(207,201,228,.28);display:grid;
  place-items:center;color:#CFC9E4;transition:.2s}
.f-social a:hover{background:var(--lime);border-color:var(--lime);color:var(--lime-ink)}
.f-col h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px}
.f-col ul{display:flex;flex-direction:column;gap:11px}
.f-col a{color:#B7AEDB;transition:.2s}
.f-col a:hover{color:var(--lime)}
.footer-bottom{margin-top:40px;padding-top:22px;border-top:1px solid rgba(207,201,228,.16);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13px;color:#8E86B4}
.to-top{display:inline-flex;align-items:center;gap:8px;color:#CFC9E4;padding:8px 16px;border-radius:999px;
  border:1px solid rgba(207,201,228,.25);transition:.2s}
.to-top:hover{background:var(--lime);color:var(--lime-ink);border-color:var(--lime)}
@media (max-width:767px){
  .f-col ul{display:none}
  .f-col.open ul{display:flex}
  .f-col h4{display:flex;align-items:center;justify-content:space-between;cursor:pointer;margin-bottom:0;padding:12px 0}
  .f-col h4::after{content:"+";color:var(--mute);font-size:18px}
  .f-col.open h4::after{content:"−"}
  .f-col{padding-bottom:14px;border-bottom:1px solid rgba(207,201,228,.16)}
  .footer-grid{gap:0}
  .f-brand{padding-bottom:24px;border-bottom:1px solid rgba(207,201,228,.16);margin-bottom:6px}
}

/* roulang page: category3 */
:root{
  --brand:#5B3DE8;
  --brand-deep:#2A1B5E;
  --ink:#17122A;
  --ink-2:#4B4560;
  --ink-3:#8A84A0;
  --brand-soft:#EEE9FF;
  --lime:#C8F55A;
  --lime-ink:#23400A;
  --coral:#FF7A59;
  --sand:#F7F5F1;
  --line:#E7E2DA;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:28px;
  --pill:999px;
  --shadow-card:0 1px 2px rgba(23,18,42,.04), 0 10px 28px -14px rgba(23,18,42,.12);
  --shadow-hover:0 2px 4px rgba(23,18,42,.05), 0 18px 40px -18px rgba(23,18,42,.22);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--sand);
  color:var(--ink);
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
p{margin:0 0 12px}
p:last-child{margin-bottom:0}
button{font:inherit;cursor:pointer}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
body .container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:768px){body .container{padding:0 24px}}

/* 顶部公告条 */
.topbar{background:var(--brand-deep);color:#fff}
.topbar-inner{display:flex;align-items:center;gap:10px;min-height:36px;font-size:13px;line-height:1.5}
.topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(200,245,90,.18);flex:none}
.topbar .topbar-text{color:#EDE9FF}
.topbar a{margin-left:auto;display:inline-flex;align-items:center;gap:6px;color:#D9D2FF;transition:color .2s;flex:none}
.topbar a:hover{color:var(--lime)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.93);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .25s,box-shadow .25s}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 26px -20px rgba(23,18,42,.5)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px}
.logo-mark{position:relative;width:26px;height:26px;border-radius:8px;background:linear-gradient(140deg,var(--brand),#7A5BFF);flex:none;overflow:hidden}
.logo-mark::before{content:"";position:absolute;left:4px;top:4px;width:11px;height:11px;border-radius:50%;background:rgba(255,255,255,.85)}
.logo-mark::after{content:"";position:absolute;right:4px;bottom:4px;width:11px;height:11px;border-radius:50%;background:var(--lime)}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text strong{font-size:15px;font-weight:800;letter-spacing:.01em;color:var(--ink)}
.logo-text em{font-style:normal;font-size:10px;letter-spacing:.3em;color:var(--ink-3);margin-top:3px}
.nav-pills{display:flex;align-items:center;gap:2px}
.nav-pills a{padding:9px 16px;border-radius:var(--pill);font-size:15px;color:var(--ink-2);transition:background-color .2s,color .2s}
.nav-pills a:hover{background:#F1EEF9;color:var(--ink)}
.nav-pills a.active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.nav-right{display:flex;align-items:center;gap:12px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--pill);font-size:15px;font-weight:700;border:none;transition:transform .2s,box-shadow .2s,background-color .2s,color .2s,border-color .2s;white-space:nowrap}
.btn-lime{background:var(--lime);color:var(--lime-ink);box-shadow:0 10px 22px -14px rgba(160,220,50,.95)}
.btn-lime:hover{transform:translateY(-2px);background:#D4FF6E;box-shadow:0 16px 30px -14px rgba(160,220,50,.95)}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn:active{transform:translateY(0) scale(.99)}

/* 汉堡与抽屉 */
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:4px;padding:0}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
.burger:hover span{background:var(--brand)}
.drawer-mask{position:fixed;inset:0;background:rgba(23,18,42,.45);opacity:0;visibility:hidden;transition:.3s;z-index:55}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:86vw;max-width:360px;background:#fff;z-index:60;transform:translateX(100%);transition:transform .3s ease;display:flex;flex-direction:column;padding:20px;box-shadow:-24px 0 60px -32px rgba(23,18,42,.6)}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-title{font-size:14px;font-weight:700;color:var(--ink-3);letter-spacing:.12em}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:20px;line-height:1;color:var(--ink-2)}
.drawer-close:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.drawer-nav{display:flex;flex-direction:column;padding:12px 0;flex:1;overflow-y:auto}
.drawer-nav a{padding:15px 4px;font-size:18px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand)}
.drawer-foot{display:flex;flex-direction:column;gap:10px;padding-top:16px;border-top:1px solid var(--line)}

/* Hero */
.page-hero{position:relative;padding:52px 0 44px;background:linear-gradient(180deg,#FFFFFF 0%,var(--sand) 100%);overflow:hidden}
.page-hero::before{content:"";position:absolute;top:-180px;right:-140px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(91,61,232,.13),transparent 68%);pointer-events:none}
.page-hero::after{content:"";position:absolute;bottom:-160px;left:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(200,245,90,.20),transparent 70%);pointer-events:none}
.crumb{position:relative;z-index:1;display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:22px}
.crumb a{transition:color .2s}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C9C3D6}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--pill);background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;margin-bottom:18px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.h1{font-size:clamp(30px,4.6vw,48px);line-height:1.2;letter-spacing:-.02em;font-weight:800;margin:0 0 18px;color:var(--ink)}
.lead{font-size:17px;line-height:1.9;color:var(--ink-2);max-width:600px;margin:0 0 26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:22px;margin-top:28px;font-size:13px;color:var(--ink-3)}
.hero-metrics li{display:flex;align-items:baseline;gap:6px}
.hero-metrics strong{font-size:15px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-xl);box-shadow:0 24px 50px -30px rgba(23,18,42,.55)}
.float-card{position:absolute;right:14px;bottom:-16px;background:#fff;border-radius:var(--r-md);padding:12px 16px;box-shadow:var(--shadow-card);border:1px solid var(--line);display:flex;align-items:center;gap:10px;max-width:250px}
.float-card .fc-dot{width:10px;height:10px;border-radius:50%;background:var(--lime);flex:none}
.float-card b{display:block;font-size:13px;font-weight:700}
.float-card span{display:block;font-size:12px;color:var(--ink-3);line-height:1.5}

/* 知识库主区 */
.kb{padding:32px 0 20px}
.kb-grid{display:grid;grid-template-columns:240px minmax(0,1fr);gap:52px;align-items:start}
.kb-side-inner{position:sticky;top:96px}
.kb-side-title{font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--ink-3);margin:0 0 12px 14px}
.kb-toc{display:flex;flex-direction:column;gap:2px}
.kb-toc a{padding:10px 14px;border-radius:var(--r-sm);font-size:15px;color:var(--ink-2);border-left:2px solid transparent;transition:background-color .2s,color .2s,border-color .2s}
.kb-toc a:hover{background:#F1EEF9;color:var(--brand)}
.kb-toc a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:600;border-left-color:var(--brand)}
.kb-side-card{margin-top:20px;padding:16px;border-radius:var(--r-md);background:var(--brand-soft);border:1px solid #DED6FF}
.kb-side-card b{display:block;font-size:14px;font-weight:800;margin-bottom:6px}
.kb-side-card p{font-size:13px;line-height:1.75;color:var(--ink-2);margin-bottom:12px}
.kb-side-card a{font-size:13px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:4px;transition:gap .2s}
.kb-side-card a:hover{gap:8px}
.kb-main{min-width:0}
.kb-sec{padding-bottom:34px;margin-bottom:34px;border-bottom:1px dashed var(--line);scroll-margin-top:100px}
.kb-sec:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.sec-h2{position:relative;padding-left:16px;font-size:clamp(21px,2.6vw,28px);line-height:1.35;font-weight:700;color:var(--ink);margin:0}
.sec-h2::before{content:"";position:absolute;left:0;top:.32em;width:6px;height:1em;border-radius:3px;background:var(--lime)}
.sec-desc{margin:12px 0 18px;font-size:15.5px;color:var(--ink-2);line-height:1.85}
.qa-list{border-top:1px solid var(--line)}
.qa-list details{border-bottom:1px solid var(--line);transition:background-color .25s;border-radius:var(--r-sm)}
.qa-list details[open]{background:linear-gradient(180deg,rgba(238,233,255,.6),rgba(238,233,255,0))}
.qa-list summary{display:flex;align-items:center;gap:14px;padding:17px 6px;cursor:pointer;font-size:16px;font-weight:600;color:var(--ink);list-style:none}
.qa-list summary::-webkit-details-marker{display:none}
.qa-list summary:hover{color:var(--brand)}
.qa-list summary::after{content:"+";margin-left:auto;flex:none;width:26px;height:26px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:inline-flex;align-items:center;justify-content:center;font-size:16px;line-height:1;transition:transform .25s,background-color .25s,color .25s}
.qa-list details[open] summary::after{content:"−";background:var(--brand);color:#fff}
.qa-body{padding:0 6px 20px;font-size:15.5px;line-height:1.88;color:var(--ink-2)}
.qa-body strong{color:var(--ink);font-weight:700}

/* 自查三步 */
.selfhelp{padding:56px 0 8px}
.selfhelp-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.selfhelp-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);box-shadow:0 22px 46px -30px rgba(23,18,42,.5)}
.selfhelp-badge{display:inline-block;padding:6px 14px;border-radius:var(--pill);background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;margin-bottom:16px}
.selfhelp-list{margin-top:22px}
.step-item{display:flex;gap:16px;padding:18px 0;border-top:1px dashed var(--line)}
.step-item:last-child{border-bottom:1px dashed var(--line)}
.step-num{flex:none;width:34px;height:34px;border-radius:50%;border:2px solid var(--lime);color:var(--brand-deep);background:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;font-variant-numeric:tabular-nums}
.step-item h3{margin:0 0 4px;font-size:17px;font-weight:700;color:var(--ink)}
.step-item p{margin:0;font-size:15px;line-height:1.8;color:var(--ink-2)}

/* 数据条 */
.stats{padding:64px 0 8px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;background:var(--brand-soft);border-radius:var(--r-xl);padding:32px 28px}
.stat strong{display:block;font-size:clamp(20px,2.4vw,28px);font-weight:800;color:var(--brand-deep);font-variant-numeric:tabular-nums;line-height:1.2}
.stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--ink-2);line-height:1.6}

/* CTA 转化条 */
.cta-wrap{padding:64px 0 0}
.cta-bar{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:32px;background:var(--brand-deep);border-radius:var(--r-xl);padding:44px 48px;color:#fff}
.cta-bar::after{content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(200,245,90,.22),transparent 70%);pointer-events:none}
.cta-kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--lime);margin-bottom:10px}
.cta-title{margin:0 0 8px;font-size:clamp(20px,2.4vw,26px);font-weight:800;line-height:1.35}
.cta-sub{margin:0;font-size:15px;color:#C7BFE6;line-height:1.8}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px;flex:none}
.cta-bar .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.36)}
.cta-bar .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:var(--lime);color:var(--lime)}

/* 页脚 */
.site-footer{margin-top:88px;background:var(--ink);color:#CFC9E4}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px}
.logo-light .logo-text strong{color:#fff}
.logo-light .logo-text em{color:#8F88A8}
.f-brand p{font-size:14px;line-height:1.85;color:#B6AFD0;margin:16px 0 0;max-width:300px}
.f-lines{color:#8F88A8 !important;font-size:13px !important}
.f-social{display:flex;gap:10px;margin-top:18px}
.f-social a{width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.16);display:inline-flex;align-items:center;justify-content:center;color:#CFC9E4;transition:.2s}
.f-social a:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.f-col h4{margin:0 0 16px;font-size:14px;font-weight:800;color:#fff;letter-spacing:.04em}
.f-col li{margin-bottom:10px}
.f-col a{font-size:14px;color:#B6AFD0;transition:color .2s}
.f-col a:hover{color:var(--lime)}
.f-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:#8F88A8}
.f-bottom-right{display:flex;align-items:center;gap:16px}
.to-top{width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.16);display:inline-flex;align-items:center;justify-content:center;color:#CFC9E4;font-size:16px;transition:.2s}
.to-top:hover{background:var(--lime);color:var(--lime-ink);border-color:var(--lime);transform:translateY(-2px)}

/* 响应式 */
@media (max-width:1024px){
  .nav-pills{display:none}
  .burger{display:inline-flex}
  .nav-right .btn-lime{display:none}
  .kb-grid{grid-template-columns:1fr;gap:20px}
  .kb-side{margin-bottom:8px}
  .kb-side-inner{position:sticky;top:60px;z-index:30;background:rgba(247,245,241,.95);backdrop-filter:blur(8px);margin:0 -16px;padding:10px 16px;border-bottom:1px solid var(--line)}
  .kb-side-title,.kb-side-card{display:none}
  .kb-toc{flex-direction:row;gap:8px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
  .kb-toc::-webkit-scrollbar{display:none}
  .kb-toc a{white-space:nowrap;flex:none;border-left:none;border:1px solid var(--line);background:#fff;border-radius:var(--pill);padding:8px 14px;font-size:14px}
  .kb-toc a.is-active{border-color:var(--brand);background:var(--brand-soft)}
  .selfhelp-grid{grid-template-columns:1fr;gap:32px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:34px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  body{font-size:16px}
  .topbar-inner .topbar-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:52vw}
  .topbar a span{display:none}
  .nav{height:60px}
  .page-hero{padding:34px 0 30px}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .h1{font-size:clamp(26px,7.4vw,34px)}
  .lead{font-size:16px}
  .float-card{right:8px;bottom:-12px;max-width:220px}
  .kb{padding:22px 0 10px}
  .kb-side-inner{margin:0 -16px;padding:8px 16px}
  .qa-list summary{font-size:15.5px;padding:15px 2px}
  .qa-body{font-size:15px;padding:0 2px 18px}
  .stats{padding:44px 0 0}
  .stats-grid{grid-template-columns:1fr 1fr;padding:24px 20px;border-radius:var(--r-lg)}
  .cta-wrap{padding:44px 0 0}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;padding:48px 0 28px}
  .f-bottom{flex-direction:column;align-items:flex-start}
}