/* roulang page: index */
:root{
  --brand:#5B2BB8;
  --brand-soft:#8A3FF0;
  --ink:#150E28;
  --ink-2:#221741;
  --aurora:#14C8B0;
  --gold:#FFB13D;
  --bg:#FAF6F1;
  --surface:#FFFFFF;
  --text:#241C3A;
  --muted:#6E6688;
  --line:rgba(21,14,40,.08);
  --line-strong:rgba(21,14,40,.16);
  --grad:linear-gradient(135deg,#5B2BB8 0%,#8A3FF0 48%,#14C8B0 100%);
  --grad-gold:linear-gradient(120deg,#5B2BB8 0%,#FFB13D 100%);
  --r-xl:32px;
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --pill:999px;
  --sh:0 2px 8px rgba(21,14,40,.04),0 24px 48px -24px rgba(21,14,40,.18);
  --sh-hi:0 6px 16px rgba(21,14,40,.07),0 34px 62px -26px rgba(21,14,40,.30);
  --ease:cubic-bezier(.22,.61,.36,1);
  --focus:0 0 0 3px rgba(91,43,184,.35);
  --side:248px;
  --side-mini:76px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease)}
a:hover{color:var(--brand)}
h1,h2,h3{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(91,43,184,.18)}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:10px}
button{font:inherit;cursor:pointer}

/* ---------- layout shell ---------- */
.main-wrap{
  padding-left:var(--side);
  min-height:100vh;
  display:flex;
  flex-direction:column;
  transition:padding-left .25s var(--ease);
}
.container-app{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1200px){.container-app{padding:0 32px}}

.section{padding:96px 0}
.section-tight{padding:72px 0}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.18em;
  color:var(--brand);text-transform:uppercase;
  background:rgba(91,43,184,.08);
  border-radius:var(--pill);
  padding:6px 14px;margin-bottom:16px;
}
.sec-title{font-size:clamp(1.6rem,2.6vw,2.15rem);margin-bottom:14px}
.sec-desc{color:var(--muted);font-size:16.5px;line-height:1.8}

/* ---------- sidebar ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--side);
  background:var(--ink);color:#fff;z-index:1045;
  display:flex;flex-direction:column;
  padding:24px 16px 20px;
  overflow:hidden;
  transition:width .25s var(--ease),transform .3s var(--ease);
}
.brand{display:flex;align-items:center;gap:12px;padding:4px 8px 24px;color:#fff}
.brand:hover{color:#fff}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;
  background:var(--grad);display:grid;place-items:center;
  font-size:17px;color:#fff;
  box-shadow:0 12px 26px -12px rgba(138,63,240,.95);
}
.brand-name{font-size:16px;font-weight:800;letter-spacing:.02em;white-space:nowrap;line-height:1.25}
.brand-sub{display:block;font-size:11px;font-weight:500;letter-spacing:.26em;color:rgba(255,255,255,.52);margin-top:3px;white-space:nowrap}
.side-nav{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.side-link{
  position:relative;display:flex;align-items:center;gap:12px;
  height:46px;padding:0 14px;border-radius:var(--r-sm);
  color:rgba(255,255,255,.72);font-size:14.5px;font-weight:500;
  white-space:nowrap;
}
.side-link .ico{width:20px;flex:0 0 20px;text-align:center;font-size:15px}
.side-link:hover{background:rgba(255,255,255,.08);color:#fff}
.side-link.active{
  background:var(--grad);color:#fff;
  box-shadow:0 14px 30px -16px rgba(138,63,240,.95);
}
.side-foot{margin-top:auto;padding-top:20px}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:10px;
  height:46px;border-radius:var(--pill);
  border:1.5px solid rgba(255,255,255,.45);
  color:#fff;font-size:14px;font-weight:600;
  white-space:nowrap;
}
.side-cta:hover{background:#fff;color:var(--ink);border-color:#fff}

/* collapsed icon rail */
@media (min-width:992px) and (max-width:1199px){
  .sidebar{width:var(--side-mini);padding:24px 12px 20px;overflow:visible}
  .brand{justify-content:center;padding:4px 0 24px}
  .brand-copy{display:none}
  .side-link{justify-content:center;padding:0 0 0 0}
  .side-link .lbl{display:none}
  .side-cta span{display:none}
  .side-cta{width:48px;height:48px;padding:0;border-radius:16px;margin:0 auto}
  .side-link::after{
    content:attr(data-label);
    position:absolute;left:60px;top:50%;transform:translateY(-50%);
    background:var(--ink-2);color:#fff;
    padding:7px 14px;border-radius:10px;font-size:13px;font-weight:500;
    white-space:nowrap;opacity:0;pointer-events:none;
    box-shadow:0 14px 30px -14px rgba(0,0,0,.9);
    transition:opacity .18s var(--ease);
    z-index:20;
  }
  .side-link:hover::after{opacity:1}
  .main-wrap{padding-left:var(--side-mini)}
}

/* mobile */
.mobile-bar{display:none}
.drawer-mask{
  position:fixed;inset:0;background:rgba(21,14,40,.55);
  opacity:0;visibility:hidden;transition:.25s var(--ease);z-index:1040;
}
.drawer-mask.show{opacity:1;visibility:visible}

@media (max-width:991px){
  .sidebar{width:280px;transform:translateX(-100%);box-shadow:0 0 60px rgba(0,0,0,.55)}
  .sidebar.open{transform:translateX(0)}
  .main-wrap{padding-left:0;padding-top:60px}
  .mobile-bar{
    position:fixed;top:0;left:0;right:0;height:60px;z-index:1035;
    display:flex;align-items:center;gap:12px;padding:0 16px;
    background:rgba(21,14,40,.97);
    color:#fff;
  }
  .mb-toggle{
    width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.22);
    background:transparent;color:#fff;display:grid;place-items:center;font-size:16px;
  }
  .mb-brand{font-size:15px;font-weight:800;color:#fff;letter-spacing:.02em}
  .mb-cta{
    margin-left:auto;height:36px;padding:0 16px;border-radius:var(--pill);
    background:var(--grad);color:#fff;font-size:13px;font-weight:600;
    display:inline-flex;align-items:center;
  }
}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:70px 0 104px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.40}
.hero-grad{position:absolute;inset:0;background:linear-gradient(135deg,rgba(91,43,184,.88) 0%,rgba(138,63,240,.66) 48%,rgba(20,200,176,.70) 100%)}
.hero-dots{
  position:absolute;inset:0;opacity:.22;
  background-image:radial-gradient(rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:36px 36px;
}
.hero-inner{position:relative;z-index:3}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  font-size:13px;font-weight:600;letter-spacing:.06em;
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(2rem,4.4vw,3.25rem);
  line-height:1.2;
  letter-spacing:-.01em;
  margin-bottom:18px;
  text-shadow:0 4px 26px rgba(21,14,40,.35);
}
.hero-sub{
  font-size:clamp(1rem,1.4vw,1.15rem);
  color:rgba(255,255,255,.88);
  max-width:560px;
  margin-bottom:30px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-visual{
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.22);
  box-shadow:0 30px 70px -28px rgba(0,0,0,.72);
  background:#fff;
}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-visual-tag{
  position:absolute;left:16px;bottom:16px;
  background:rgba(21,14,40,.78);color:#fff;
  border-radius:var(--pill);padding:6px 14px;font-size:12.5px;font-weight:600;
}

/* ---------- buttons ---------- */
.btn-main,.btn-ghost,.btn-gold,.btn-white{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:0 26px;border-radius:var(--pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:0;transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.btn-main{background:var(--grad);color:#fff;box-shadow:0 16px 34px -16px rgba(138,63,240,.95)}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 22px 42px -16px rgba(138,63,240,1)}
.btn-ghost{
  background:transparent;color:var(--brand);border:1.5px solid var(--brand);
}
.btn-ghost:hover{background:rgba(91,43,184,.09);color:var(--brand);transform:translateY(-2px)}
.btn-white{
  background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7);
}
.btn-white:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}
.btn-gold{background:var(--gold);color:#3A2600;box-shadow:0 16px 32px -18px rgba(255,177,61,.95)}
.btn-gold:hover{transform:translateY(-2px);color:#3A2600;box-shadow:0 22px 40px -18px rgba(255,177,61,1)}

/* ---------- badge band ---------- */
.badge-band{position:relative;margin-top:-28px;z-index:5}
.badge-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.badge-item{
  background:var(--surface);
  border:1px solid rgba(255,177,61,.45);
  border-radius:var(--pill);
  padding:14px 20px;
  display:flex;align-items:center;gap:12px;
  box-shadow:var(--sh);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.badge-item:hover{transform:translateY(-3px);box-shadow:var(--sh-hi)}
.badge-ico{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  display:grid;place-items:center;font-size:15px;
  background:rgba(91,43,184,.09);color:var(--brand);
}
.badge-num{font-size:17px;font-weight:800;color:var(--ink);line-height:1.2}
.badge-lbl{font-size:12.5px;color:var(--muted);line-height:1.3}

/* ---------- value cards ---------- */
.value-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.value-card{
  background:var(--surface);border-radius:var(--r-md);
  padding:32px 30px;border:1px solid var(--line);
  box-shadow:var(--sh);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hi);border-color:rgba(91,43,184,.22)}
.value-card:nth-child(2){margin-top:34px}
.value-card:nth-child(4){margin-top:34px}
.value-ico{
  width:50px;height:50px;border-radius:16px;display:grid;place-items:center;
  font-size:19px;color:#fff;background:var(--grad);margin-bottom:20px;
  box-shadow:0 14px 28px -16px rgba(138,63,240,.9);
}
.value-card h3{font-size:1.18rem;margin-bottom:12px}
.value-card p{color:var(--muted);font-size:15.5px;line-height:1.85}

/* ---------- timeline ---------- */
.timeline-wrap{background:var(--surface);border-radius:var(--r-lg);border:1px solid var(--line);padding:52px 40px;box-shadow:var(--sh)}
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.timeline::before{
  content:"";position:absolute;top:26px;left:9%;right:9%;height:2px;
  background:linear-gradient(90deg,rgba(91,43,184,.5),rgba(20,200,176,.5));
}
.tl-item{position:relative;text-align:center;z-index:2}
.tl-dot{
  width:54px;height:54px;border-radius:50%;margin:0 auto 18px;
  background:#fff;border:2px solid var(--brand);color:var(--brand);
  display:grid;place-items:center;font-weight:800;font-size:17px;
  box-shadow:0 10px 24px -14px rgba(91,43,184,.7);
}
.tl-item:nth-child(2) .tl-dot{border-color:var(--brand-soft);color:var(--brand-soft)}
.tl-item:nth-child(3) .tl-dot{border-color:var(--aurora);color:#0E8F7E}
.tl-item:nth-child(4) .tl-dot{border-color:var(--gold);color:#B8730E}
.tl-item h3{font-size:1.05rem;margin-bottom:10px}
.tl-item p{color:var(--muted);font-size:14.5px;line-height:1.8}

/* ---------- featured cards ---------- */
.fc{
  background:var(--surface);border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh);
  display:flex;flex-direction:column;height:100%;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.fc:hover{transform:translateY(-4px);box-shadow:var(--sh-hi)}
.fc-media{position:relative;overflow:hidden}
.fc-media img{width:100%;object-fit:cover;transition:transform .5s var(--ease)}
.fc:hover .fc-media img{transform:scale(1.04)}
.fc-v .fc-media img{aspect-ratio:16/10}
.fc-tag{
  position:absolute;left:14px;top:14px;
  background:rgba(21,14,40,.78);color:#fff;
  border-radius:var(--pill);padding:5px 14px;font-size:12px;font-weight:600;
  backdrop-filter:blur(4px);
}
.fc-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1}
.fc h3{font-size:1.2rem;line-height:1.45;margin-bottom:12px}
.fc h3 a:hover{color:var(--brand)}
.fc-desc{color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:22px}
.fc-meta{
  margin-top:auto;display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--muted);
  border-top:1px solid var(--line);padding-top:16px;
}
.fc-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong)}
.fc-meta .go{margin-left:auto;color:var(--brand);font-weight:700;font-size:14px}
.fc-h{flex-direction:row}
.fc-h .fc-media{flex:0 0 46%;max-width:46%}
.fc-h .fc-media img{height:100%;min-height:250px;aspect-ratio:auto}
.fc-h .fc-body{flex:1}

/* ---------- news list (CMS) ---------- */
.news-list{display:flex;flex-direction:column;gap:16px}
.news-item{
  position:relative;display:flex;align-items:center;gap:22px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px 24px 20px 30px;
  box-shadow:0 2px 8px rgba(21,14,40,.03);
  overflow:hidden;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.news-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:8px;
  background:rgba(91,43,184,.25);
  transition:background .28s var(--ease);
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--sh-hi);border-color:rgba(91,43,184,.2)}
.news-item:hover::before{background:var(--grad)}
.news-thumb{
  flex:0 0 116px;width:116px;height:82px;border-radius:var(--r-sm);overflow:hidden;
  background:rgba(91,43,184,.06);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-item:hover .news-thumb img{transform:scale(1.06)}
.news-body{flex:1;min-width:0}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-bottom:8px}
.tag-cat{
  display:inline-flex;align-items:center;
  background:rgba(91,43,184,.09);color:var(--brand);
  border-radius:var(--pill);padding:3px 12px;font-size:12px;font-weight:600;
}
.news-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong)}
.news-title{font-size:1.08rem;line-height:1.45;margin-bottom:8px;font-weight:700}
.news-title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-desc{
  color:var(--muted);font-size:14.5px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-arrow{
  flex:0 0 42px;width:42px;height:42px;border-radius:50%;
  display:grid;place-items:center;
  border:1.5px solid var(--line-strong);color:var(--brand);font-size:14px;
  transition:all .24s var(--ease);
}
.news-arrow:hover{background:var(--grad);color:#fff;border-color:transparent;transform:translateX(3px)}

.empty-state{
  background:var(--surface);border:1px dashed var(--line-strong);
  border-radius:var(--r-lg);padding:64px 24px;text-align:center;
}
.empty-state i{font-size:38px;color:rgba(91,43,184,.35);margin-bottom:16px;display:block}
.empty-state p{color:var(--muted);font-size:15.5px;margin-bottom:22px}

/* ---------- trust ---------- */
.trust{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.trust .dots-layer{
  position:absolute;inset:0;opacity:.14;
  background-image:radial-gradient(rgba(255,255,255,.75) 1px,transparent 1px);
  background-size:40px 40px;
}
.trust .container-app{position:relative;z-index:2}
.trust .sec-title{color:#fff}
.trust .sec-desc{color:rgba(255,255,255,.7)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.trust-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-md);
  padding:28px 24px;
  transition:transform .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease);
}
.trust-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.09);border-color:rgba(20,200,176,.5)}
.trust-ico{
  width:48px;height:48px;border-radius:15px;display:grid;place-items:center;
  background:rgba(20,200,176,.14);color:var(--aurora);font-size:18px;margin-bottom:18px;
}
.trust-card h3{font-size:1.08rem;color:#fff;margin-bottom:10px}
.trust-card p{color:rgba(255,255,255,.68);font-size:14.5px;line-height:1.8}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;
  background:var(--grad);
  border-radius:var(--r-xl);
  padding:56px 52px;
  color:#fff;
  box-shadow:0 40px 80px -40px rgba(91,43,184,.9);
}
.cta-dots{
  position:absolute;inset:0;opacity:.2;
  background-image:radial-gradient(rgba(255,255,255,.7) 1px,transparent 1px);
  background-size:32px 32px;
}
.cta-card .row{position:relative;z-index:2}
.cta-card h2{color:#fff;font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:14px}
.cta-card p{color:rgba(255,255,255,.88);font-size:15.5px}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-form input{
  flex:1;min-width:200px;height:52px;border-radius:var(--r-sm);
  border:0;padding:0 18px;font-size:15px;color:var(--text);
  background:#fff;
  transition:box-shadow .2s var(--ease);
}
.cta-form input::placeholder{color:#9A93AC}
.cta-form input:focus{outline:none;box-shadow:0 0 0 3px rgba(91,43,184,.35)}
.cta-note{font-size:13px;color:rgba(255,255,255,.75);margin-top:14px}

/* ---------- FAQ ---------- */
.faq .accordion-item{background:transparent;border:0;margin-bottom:14px}
.faq .accordion-header{margin:0}
.faq .accordion-button{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:0 2px 8px rgba(21,14,40,.04);
  font-size:16.5px;font-weight:700;color:var(--text);
  padding:20px 56px 20px 24px;
  width:100%;
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.faq .accordion-button:not(.collapsed){
  background:var(--surface);color:var(--text);
  box-shadow:var(--sh);
  border-color:transparent;
}
.faq .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;
  background:var(--grad);
}
.faq .accordion-button:focus{box-shadow:var(--focus);border-color:transparent}
.faq .accordion-button::after{
  content:"\f054";
  font-family:"Font Awesome 6 Free";font-weight:900;
  background-image:none;
  width:auto;height:auto;
  font-size:13px;color:var(--brand);
  position:absolute;right:24px;top:50%;transform:translateY(-50%);
  transition:transform .25s var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(90deg)}
.faq .accordion-body{
  padding:18px 24px 8px 24px;
  font-size:15px;line-height:1.85;color:var(--muted);
}

/* ---------- footer ---------- */
.site-footer{
  margin-top:auto;
  background:var(--ink);color:rgba(255,255,255,.72);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:36px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;color:#fff}
.footer-brand .brand-mark{width:40px;height:40px;flex:0 0 40px;font-size:16px}
.footer-brand span{font-size:16px;font-weight:800;letter-spacing:.02em}
.footer-about{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-col h3{
  font-size:14px;font-weight:700;color:#fff;letter-spacing:.12em;
  margin-bottom:20px;
}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:var(--gold)}
.footer-note{font-size:13.5px;color:rgba(255,255,255,.55);line-height:1.9}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 30px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--gold)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:32px}
  .footer-grid .footer-col:last-child{grid-column:1/-1}
}
@media (max-width:991px){
  .section{padding:76px 0}
  .badge-grid{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .timeline::before{display:none}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .cta-card{padding:44px 32px}
  .timeline-wrap{padding:40px 28px}
}
@media (max-width:767px){
  .value-grid{grid-template-columns:1fr;gap:18px}
  .value-card:nth-child(2),.value-card:nth-child(4){margin-top:0}
  .fc-h{flex-direction:column}
  .fc-h .fc-media{flex:none;max-width:100%}
  .fc-h .fc-media img{height:auto;min-height:0;aspect-ratio:16/10}
  .news-item{flex-wrap:wrap;gap:16px;padding:20px 18px 20px 24px}
  .news-thumb{flex:0 0 96px;width:96px;height:70px}
  .news-arrow{display:none}
  .cta-form input{min-width:0;width:100%}
  .cta-form .btn-gold{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-grid .footer-col:last-child{grid-column:auto}
  .site-footer{padding-top:56px}
}
@media (max-width:575px){
  .container-app{padding:0 18px}
  .hero{padding:48px 0 88px}
  .hero h1{font-size:1.75rem}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn-main,.hero-cta .btn-ghost{width:100%}
  .badge-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .badge-item{padding:12px 14px;gap:10px;border-radius:20px}
  .badge-ico{width:32px;height:32px;flex:0 0 32px;font-size:13px}
  .badge-num{font-size:15px}
  .badge-lbl{font-size:11.5px}
  .timeline{grid-template-columns:1fr;gap:26px}
  .trust-grid{grid-template-columns:1fr}
  .cta-card{padding:36px 22px;border-radius:24px}
  .section{padding:64px 0}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: article */
:root{
  --brand:#5B2BB8;
  --brand-2:#8A3FF0;
  --aqua:#14C8B0;
  --gold:#FFB13D;
  --ink:#150E28;
  --bg:#FAF6F1;
  --card:#FFFFFF;
  --text:#241C3A;
  --muted:#6B6480;
  --line:rgba(21,14,40,.08);
  --line-strong:rgba(21,14,40,.16);
  --grad:linear-gradient(135deg,#5B2BB8 0%,#8A3FF0 48%,#14C8B0 100%);
  --grad-soft:linear-gradient(135deg,rgba(91,43,184,.10) 0%,rgba(20,200,176,.10) 100%);
  --r-xl:32px;
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --pill:999px;
  --sh-1:0 2px 8px rgba(21,14,40,.04), 0 24px 48px -24px rgba(21,14,40,.18);
  --sh-2:0 8px 18px rgba(21,14,40,.08), 0 36px 64px -28px rgba(21,14,40,.30);
  --sidebar-w:248px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(91,43,184,.35);border-radius:var(--r-sm);}
.container-app{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 侧栏 App Shell ============ */
.app-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--ink);
  color:#fff;
  display:flex;flex-direction:column;gap:22px;
  padding:24px 16px 20px;
  z-index:1045;
  transition:width .25s ease,transform .3s ease;
}
.brand{display:flex;align-items:center;gap:10px;padding:4px 6px 0;}
.brand-mark{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--grad);
  color:#fff;font-size:15px;
  box-shadow:0 10px 22px -12px rgba(138,63,240,.9);
}
.brand-text{font-size:15px;font-weight:800;line-height:1.25;letter-spacing:.01em;color:#fff;}
.brand:hover .brand-text{color:var(--gold);}
.side-nav{display:flex;flex-direction:column;gap:6px;}
.side-link{
  position:relative;
  display:flex;align-items:center;gap:12px;
  padding:11px 12px;border-radius:var(--r-sm);
  color:rgba(255,255,255,.72);
  font-size:15px;font-weight:500;
}
.side-link .ico{
  flex:0 0 24px;height:24px;display:grid;place-items:center;
  font-size:14px;border-radius:8px;
}
.side-link:hover{color:#fff;background:rgba(255,255,255,.08);}
.side-link.active{
  color:#fff;
  background-image:var(--grad);
  box-shadow:0 14px 26px -18px rgba(138,63,240,.95);
}
.side-link.active .ico{color:#fff;}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.btn-block{width:100%;justify-content:center;}
.side-note{margin:0;font-size:12.5px;line-height:1.6;color:rgba(255,255,255,.5);text-align:center;}

/* ============ 按钮体系 ============ */
.btn-brand,.btn-ghost,.btn-wire{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:11px 22px;
  border-radius:var(--pill);
  font-size:15px;font-weight:700;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-brand{background-image:var(--grad);color:#fff;box-shadow:0 14px 28px -18px rgba(138,63,240,.95);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:var(--brand);border-color:rgba(91,43,184,.55);}
.btn-ghost:hover{background:rgba(91,43,184,.09);color:var(--brand);border-color:var(--brand);}
.btn-wire{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-wire:hover{color:#fff;background:rgba(255,255,255,.14);border-color:#fff;}
.btn-brand:active,.btn-ghost:active,.btn-wire:active{transform:translateY(0);}

/* ============ 移动端顶栏与抽屉 ============ */
.mobile-topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:60px;
  align-items:center;gap:12px;
  padding:0 14px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  z-index:1040;
}
.hamburger{
  width:42px;height:42px;flex:0 0 42px;
  display:grid;place-items:center;
  border:1px solid var(--line-strong);border-radius:12px;
  background:#fff;color:var(--ink);font-size:16px;cursor:pointer;
}
.hamburger:hover{border-color:var(--brand);color:var(--brand);}
.brand-mini{display:flex;align-items:center;gap:8px;font-size:14.5px;font-weight:800;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand-mini .brand-mark{width:30px;height:30px;border-radius:10px;font-size:12px;}
.mini-cta{
  margin-left:auto;flex:0 0 auto;
  padding:9px 15px;border-radius:var(--pill);
  background-image:var(--grad);color:#fff;font-size:13.5px;font-weight:700;
}
.drawer-overlay{
  position:fixed;inset:0;background:rgba(21,14,40,.55);
  opacity:0;pointer-events:none;transition:opacity .3s ease;z-index:1044;
}
.drawer-overlay.show{opacity:1;pointer-events:auto;}

/* ============ 主区域 ============ */
.app-main{margin-left:var(--sidebar-w);padding:30px 0 0;min-height:60vh;transition:margin-left .25s ease;}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:18px;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:rgba(21,14,40,.28);}
.crumb .cur{color:var(--brand);font-weight:700;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  padding:52px 48px 44px;
  color:#fff;
  background-image:linear-gradient(135deg,rgba(21,14,40,.88) 0%,rgba(91,43,184,.74) 52%,rgba(20,200,176,.48) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  box-shadow:var(--sh-1);
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.42) 1px,transparent 1px);
  background-size:36px 36px;opacity:.32;
}
.article-hero > *{position:relative;z-index:1;}
.hero-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:var(--pill);
  background:linear-gradient(135deg,rgba(255,177,61,.95),rgba(255,177,61,.55));
  color:#2B1A05;font-size:13px;font-weight:800;
  margin-bottom:18px;
}
.article-hero h1{
  font-size:clamp(1.85rem,3.4vw,2.7rem);
  line-height:1.26;letter-spacing:-.012em;
  max-width:24ch;
}
.meta-row{
  display:flex;flex-wrap:wrap;gap:10px 22px;
  margin-top:22px;font-size:13.5px;color:rgba(255,255,255,.82);
}
.meta-row span{display:inline-flex;align-items:center;gap:7px;}
.meta-row i{color:var(--gold);}

/* ============ 正文 ============ */
.article-shell{
  max-width:820px;margin:30px auto 0;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:46px 48px 40px;
  box-shadow:var(--sh-1);
}
.article-body{max-width:760px;margin:0 auto;font-size:18px;line-height:1.85;color:#2E2545;}
.article-body > p:first-child{font-size:18.5px;color:#231B3A;}
.article-body p{margin:0 0 1.25em;}
.article-body h2{
  position:relative;
  margin:2.4em 0 .75em;
  padding-left:18px;
  font-size:1.5rem;
  color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;
  background-image:var(--grad);
}
.article-body h2:first-child{margin-top:.4em;}
.article-body h3{margin:1.9em 0 .6em;font-size:1.22rem;color:var(--ink);}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.35em;}
.article-body ul{list-style:none;padding-left:1.2em;}
.article-body ul li{position:relative;padding-left:18px;margin-bottom:.5em;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:7px;height:7px;border-radius:50%;
  background:var(--gold);
}
.article-body ol li{margin-bottom:.5em;}
.article-body blockquote{
  margin:1.7em 0;padding:18px 22px;
  background:rgba(91,43,184,.06);
  border-left:4px solid var(--brand);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:#3A2F5C;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);margin:1.7em auto;box-shadow:var(--sh-1);}
.article-body figure{margin:1.7em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body a{color:var(--brand);font-weight:600;border-bottom:1px solid rgba(91,43,184,.35);}
.article-body a:hover{color:var(--brand-2);border-color:var(--brand-2);}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15.5px;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:rgba(91,43,184,.05);color:var(--ink);font-weight:700;}
.article-body code{background:rgba(21,14,40,.06);padding:2px 6px;border-radius:8px;font-size:15px;}

/* 空态 */
.empty-state{text-align:center;padding:34px 10px 12px;}
.empty-state i{font-size:34px;color:var(--brand);}
.empty-state h2{position:static;padding:0;margin:18px 0 10px;font-size:1.5rem;}
.empty-state h2::before{display:none;}
.empty-state p{max-width:44ch;margin:0 auto 22px;color:var(--muted);font-size:16px;}

/* ============ 文末标签与返回 ============ */
.article-foot{
  max-width:820px;margin:26px auto 0;
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  justify-content:space-between;
}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 16px;border-radius:var(--pill);
  background:#fff;border:1px solid var(--line-strong);
  font-size:13.5px;font-weight:600;color:var(--muted);
}
.tag:hover{border-color:var(--brand);color:var(--brand);background:rgba(91,43,184,.06);}

/* ============ 相关推荐 ============ */
.section{margin-top:96px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.section-head h2{font-size:clamp(1.45rem,2.4vw,1.95rem);color:var(--ink);}
.section-head p{margin:8px 0 0;color:var(--muted);font-size:15px;}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.rel-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-thumb .pill{
  position:absolute;left:12px;top:12px;
  padding:5px 12px;border-radius:var(--pill);
  background:rgba(21,14,40,.72);color:#fff;font-size:12px;font-weight:700;
}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:1.12rem;line-height:1.45;color:var(--ink);}
.rel-body p{margin:0;font-size:14.5px;line-height:1.7;color:var(--muted);}
.rel-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.rel-meta i{color:var(--brand);}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  margin-top:96px;
  border-radius:var(--r-xl);
  padding:48px 48px;
  color:#fff;
  background-image:var(--grad);
  display:grid;grid-template-columns:1.1fr .9fr;gap:38px;align-items:center;
  box-shadow:var(--sh-2);
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:32px 32px;opacity:.26;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{font-size:clamp(1.5rem,2.5vw,2rem);}
.cta-band p{margin:14px 0 0;color:rgba(255,255,255,.9);font-size:15.5px;max-width:46ch;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 220px;min-height:48px;
  padding:12px 18px;border-radius:var(--r-sm);
  border:1.5px solid rgba(255,255,255,.4);
  background:#fff;color:var(--text);font-size:15px;
}
.cta-form input::placeholder{color:#9A93AC;}
.cta-form input:focus{outline:none;box-shadow:0 0 0 3px rgba(91,43,184,.35);border-color:var(--brand);}
.cta-form button{
  flex:0 0 auto;min-height:48px;padding:12px 26px;
  border-radius:var(--pill);border:none;
  background:var(--ink);color:#fff;font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease;
}
.cta-form button:hover{transform:translateY(-2px);box-shadow:0 18px 30px -18px rgba(21,14,40,.85);}
.form-tip{margin:12px 0 0;font-size:13.5px;color:rgba(255,255,255,.86);min-height:20px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;}
.faq-wrap .accordion-item{
  border:none;background:transparent;margin-bottom:14px;
}
.faq-wrap .accordion-button{
  border-radius:var(--r-md) !important;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  padding:20px 24px;
  font-size:1.05rem;font-weight:700;color:var(--ink);
  background-repeat:no-repeat;background-position:left center;
}
.faq-wrap .accordion-button:not(.collapsed){
  color:var(--brand);
  background-color:#fff;
  background-image:linear-gradient(180deg,#5B2BB8,#14C8B0);
  background-size:3px 100%;
  box-shadow:var(--sh-2);
}
.faq-wrap .accordion-button:focus{box-shadow:0 0 0 3px rgba(91,43,184,.35);}
.faq-wrap .accordion-button::after{
  transition:transform .3s ease;
  background-image:none;
  content:"\f105";
  font-family:"Font Awesome 6 Free";font-weight:900;
  width:auto;height:auto;font-size:15px;color:var(--brand);
  display:grid;place-items:center;
}
.faq-wrap .accordion-button:not(.collapsed)::after{transform:rotate(90deg);}
.faq-wrap .accordion-body{
  padding:16px 24px 22px;
  font-size:15px;line-height:1.8;color:var(--muted);
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:110px;
  background:var(--ink);
  color:rgba(255,255,255,.78);
  padding:64px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:38ch;}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:var(--gold);}
.footer-note{margin:0;font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (min-width:992px) and (max-width:1199.98px){
  :root{--sidebar-w:76px;}
  .app-sidebar{width:76px;padding:22px 12px;align-items:center;}
  .brand-text,.side-note{display:none;}
  .brand{justify-content:center;padding:0;}
  .side-nav{width:100%;}
  .side-link{justify-content:center;padding:12px 0;}
  .side-link .lbl{display:none;}
  .side-link:hover .lbl{
    display:block;position:absolute;left:58px;top:50%;transform:translateY(-50%);
    padding:8px 14px;border-radius:12px;
    background:var(--ink);color:#fff;white-space:nowrap;
    font-size:13.5px;box-shadow:var(--sh-2);z-index:6;
  }
  .side-foot{width:100%;}
  .side-foot .btn-brand{padding:11px 0;justify-content:center;}
  .side-foot .btn-brand span.txt{display:none;}
  .article-hero{padding:44px 34px 40px;}
  .article-shell{padding:40px 34px 34px;}
}
@media (max-width:991.98px){
  :root{--sidebar-w:0px;}
  .app-main{margin-left:0;padding-top:82px;}
  .mobile-topbar{display:flex;}
  .app-sidebar{
    width:280px;transform:translateX(-100%);
    box-shadow:0 24px 60px -20px rgba(21,14,40,.7);
    padding:24px 18px 20px;
  }
  .app-sidebar.open{transform:translateX(0);}
  .article-hero{padding:40px 28px 34px;}
  .article-hero h1{max-width:none;}
  .article-shell{padding:34px 26px 30px;margin-top:24px;}
  .article-body{font-size:17px;}
  .rel-grid{grid-template-columns:1fr 1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 30px;gap:26px;}
  .section,.cta-band{margin-top:72px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .site-footer{margin-top:80px;padding:52px 0 22px;}
}
@media (max-width:767.98px){
  .rel-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .article-foot{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  body{font-size:16px;}
  .container-app{padding:0 16px;}
  .article-hero{border-radius:var(--r-md);padding:32px 20px 28px;}
  .article-hero h1{font-size:1.72rem;}
  .article-shell{border-radius:var(--r-md);padding:26px 18px 22px;}
  .article-body{font-size:16.5px;}
  .article-body h2{font-size:1.3rem;}
  .cta-band{border-radius:var(--r-md);padding:32px 20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .btn-brand,.btn-ghost,.btn-wire{width:100%;justify-content:center;}
  .mini-cta{width:auto;}
}

/* roulang page: category2 */
:root{
  --brand:#5B2BB8;
  --brand-2:#8A3FF0;
  --ink:#150E28;
  --ink-2:#241A44;
  --aurora:#14C8B0;
  --gold:#FFB13D;
  --bg:#FAF6F1;
  --card:#FFFFFF;
  --text:#1D1630;
  --muted:#6B6383;
  --muted-2:#8C85A3;
  --line:rgba(21,14,40,.08);
  --line-2:rgba(21,14,40,.14);
  --grad:linear-gradient(135deg,#5B2BB8 0%,#8A3FF0 48%,#14C8B0 100%);
  --grad-soft:linear-gradient(135deg,rgba(91,43,184,.12) 0%,rgba(20,200,176,.12) 100%);
  --grad-badge:linear-gradient(135deg,#5B2BB8 0%,#FFB13D 100%);
  --r-xl:32px;
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --sh-1:0 2px 8px rgba(21,14,40,.04), 0 24px 48px -24px rgba(21,14,40,.18);
  --sh-2:0 4px 12px rgba(21,14,40,.06), 0 34px 64px -22px rgba(21,14,40,.24);
  --sh-3:0 8px 20px rgba(21,14,40,.08), 0 44px 80px -28px rgba(21,14,40,.3);
  --side-w:248px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-left:var(--side-w);
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-2);}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.num{font-variant-numeric:tabular-nums;}

.container-app{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1200px){
  .container-app{padding:0 32px;}
}

/* ============ 左侧 App Shell ============ */
.side-shell{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--side-w);
  background:var(--ink);
  color:#fff;
  display:flex;
  flex-direction:column;
  padding:22px 16px 20px;
  z-index:1030;
  overflow:hidden;
}
.side-shell::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px, transparent 1px);
  background-size:26px 26px;
  opacity:.5;
  pointer-events:none;
}
.side-brand{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  gap:12px;
  padding:6px 8px 20px;
  color:#fff;
}
.side-brand:hover{color:#fff;opacity:.92;}
.brand-mark{
  flex:0 0 auto;
  width:40px;height:40px;
  border-radius:13px;
  background:var(--grad);
  display:grid;place-items:center;
  color:#fff;
  font-size:16px;
  box-shadow:0 8px 20px -8px rgba(138,63,240,.8);
}
.brand-text{
  display:flex;
  flex-direction:column;
  font-size:17px;
  font-weight:800;
  line-height:1.2;
  letter-spacing:.02em;
  white-space:nowrap;
}
.brand-text small{
  font-size:11px;
  font-weight:500;
  letter-spacing:.28em;
  color:rgba(255,255,255,.55);
  text-transform:uppercase;
}
.side-nav{
  position:relative;
  z-index:1;
  display:flex;
  flex-direction:column;
  gap:6px;
  margin-top:10px;
}
.side-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 14px;
  border-radius:14px;
  color:rgba(255,255,255,.72);
  font-size:15px;
  font-weight:500;
  white-space:nowrap;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.side-link .ico{
  flex:0 0 auto;
  width:22px;
  text-align:center;
  font-size:15px;
  color:var(--aurora);
  transition:color .22s ease;
}
.side-link:hover,
.side-link:focus-visible{
  background:rgba(255,255,255,.09);
  color:#fff;
  transform:translateX(2px);
}
.side-link:hover .ico{color:var(--gold);}
.side-link.active{
  background:var(--grad);
  color:#fff;
  box-shadow:0 12px 26px -14px rgba(138,63,240,.9);
}
.side-link.active .ico{color:#fff;}
.side-foot{
  position:relative;
  z-index:1;
  margin-top:auto;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.1);
}
.side-tip{
  font-size:12px;
  line-height:1.7;
  color:rgba(255,255,255,.5);
  padding:0 8px 12px;
}
.side-cta{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:10px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.24);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:background .22s ease,border-color .22s ease,transform .22s ease;
}
.side-cta:hover{
  background:rgba(255,255,255,.16);
  border-color:var(--gold);
  color:#fff;
  transform:translateY(-2px);
}

/* ============ 移动端顶栏 & 抽屉 ============ */
.mobile-bar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:60px;
  background:var(--ink);
  color:#fff;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  z-index:1040;
  box-shadow:0 8px 24px -16px rgba(21,14,40,.9);
}
.mobile-bar .mb-brand{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-weight:800;font-size:16px;
}
.mobile-bar .mb-brand:hover{color:#fff;}
.mb-btn{
  width:44px;height:44px;
  display:grid;place-items:center;
  border:0;background:transparent;color:#fff;
  font-size:18px;border-radius:12px;
  transition:background .2s ease;
}
.mb-btn:hover{background:rgba(255,255,255,.12);}
.mb-cta{
  display:inline-flex;align-items:center;
  min-height:44px;padding:0 16px;
  border-radius:999px;
  background:var(--grad);
  color:#fff;font-size:14px;font-weight:600;
}
.mb-cta:hover{color:#fff;opacity:.92;}

.drawer{
  position:fixed;top:0;left:0;bottom:0;
  width:280px;
  background:var(--ink);
  z-index:1060;
  padding:22px 18px;
  transform:translateX(-102%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(21,14,40,.55);
  opacity:0;visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;
  z-index:1050;
}
.drawer-mask.open{opacity:1;visibility:visible;}

/* ============ 通用按钮 ============ */
.btn-grad,
.btn-line,
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:48px;
  padding:12px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-grad{
  background:var(--grad);
  color:#fff;
  box-shadow:0 14px 30px -16px rgba(91,43,184,.9);
}
.btn-grad:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 20px 40px -16px rgba(91,43,184,1);
}
.btn-line{
  background:transparent;
  border-color:var(--brand);
  color:var(--brand);
}
.btn-line:hover{
  background:rgba(91,43,184,.09);
  color:var(--brand);
  transform:translateY(-2px);
}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.6);
  color:#fff;
}
.btn-ghost:hover{
  background:rgba(255,255,255,.14);
  border-color:#fff;
  color:#fff;
  transform:translateY(-2px);
}
.btn-sm{min-height:42px;padding:9px 20px;font-size:14px;}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:3px solid rgba(91,43,184,.35);
  outline-offset:2px;
}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
  padding:22px 0 0;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--muted-2);opacity:.7;}
.crumb .current{color:var(--brand);font-weight:700;}

/* ============ 分类页 Hero ============ */
.cat-hero{
  position:relative;
  margin-top:20px;
  border-radius:var(--r-xl);
  overflow:hidden;
  background-color:var(--ink);
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh-2);
}
.cat-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(91,43,184,.9) 0%,rgba(138,63,240,.72) 46%,rgba(20,200,176,.66) 100%);
}
.cat-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px, transparent 1px);
  background-size:30px 30px;
  opacity:.45;
  pointer-events:none;
}
.cat-hero-inner{
  position:relative;
  z-index:1;
  padding:64px 56px 72px;
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:44px;
  align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.32);
  color:#fff;
  font-size:13px;font-weight:600;
  backdrop-filter:blur(4px);
}
.hero-tag i{color:var(--gold);}
.cat-hero h1{
  color:#fff;
  font-size:clamp(2rem,4.4vw,3.25rem);
  line-height:1.2;
  margin:20px 0 18px;
  text-shadow:0 2px 20px rgba(21,14,40,.35);
}
.cat-hero .hero-sub{
  color:rgba(255,255,255,.9);
  font-size:17px;
  line-height:1.8;
  max-width:560px;
}
.hero-actions{
  display:flex;flex-wrap:wrap;gap:14px;
  margin-top:30px;
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:20px;
  margin-top:26px;
  font-size:13px;
  color:rgba(255,255,255,.78);
}
.hero-meta span{display:inline-flex;align-items:center;gap:7px;}
.hero-meta i{color:var(--aurora);}

.hero-visual{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:0 30px 60px -26px rgba(21,14,40,.75);
  border:1px solid rgba(255,255,255,.22);
}
.hero-visual img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
}
.hero-visual .hv-label{
  position:absolute;
  left:16px;bottom:16px;
  padding:8px 16px;
  border-radius:999px;
  background:rgba(21,14,40,.72);
  color:#fff;
  font-size:13px;
  font-weight:600;
  display:inline-flex;align-items:center;gap:8px;
}
.hero-visual .hv-label i{color:var(--gold);}

/* ============ 数据徽章带 ============ */
.badge-band{
  position:relative;
  z-index:2;
  margin-top:-28px;
}
.badge-band-inner{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px 26px;
  box-shadow:var(--sh-1);
}
.badge-item{
  display:flex;align-items:center;gap:12px;
}
.badge-item + .badge-item{
  border-left:1px solid var(--line);
  padding-left:18px;
}
.badge-ico{
  flex:0 0 auto;
  width:42px;height:42px;
  border-radius:14px;
  display:grid;place-items:center;
  background:var(--grad-soft);
  color:var(--brand);
  font-size:16px;
}
.badge-num{
  font-size:20px;
  font-weight:800;
  color:var(--ink);
  line-height:1.2;
}
.badge-num i{font-style:normal;color:var(--gold);}
.badge-lbl{
  font-size:13px;
  color:var(--muted);
}

/* ============ 板块通用 ============ */
.section{padding:104px 0 0;}
.section:last-of-type{padding-bottom:104px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:28px;
  margin-bottom:38px;
}
.section-head .sh-left{max-width:660px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--brand);
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:22px;height:3px;border-radius:2px;
  background:var(--grad-badge);
}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2.25rem);
  line-height:1.3;
}
.section-head .sh-desc{
  margin-top:12px;
  color:var(--muted);
  font-size:15.5px;
  line-height:1.8;
}

/* ============ 两列：纵向大卡 + 信息条 ============ */
.cat2-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 328px;
  gap:32px;
  align-items:start;
}
.big-list{
  display:flex;
  flex-direction:column;
  gap:26px;
}
.big-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.big-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(91,43,184,.22);
}
.big-card-media{
  position:relative;
  overflow:hidden;
}
.big-card-media img{
  width:100%;
  aspect-ratio:21/9;
  object-fit:cover;
  transition:transform .5s ease;
}
.big-card:hover .big-card-media img{transform:scale(1.04);}
.big-card-media .media-tag{
  position:absolute;
  top:16px;left:16px;
  padding:7px 15px;
  border-radius:999px;
  background:rgba(255,255,255,.94);
  color:var(--brand);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.02em;
}
.big-card-media .media-idx{
  position:absolute;
  right:18px;bottom:-24px;
  width:56px;height:56px;
  border-radius:18px;
  background:var(--grad);
  color:#fff;
  display:grid;place-items:center;
  font-size:20px;
  font-weight:800;
  box-shadow:0 16px 30px -14px rgba(91,43,184,.9);
}
.big-card-body{
  padding:30px 34px 32px;
}
.big-card-body h3{
  font-size:1.3rem;
  line-height:1.45;
  margin-bottom:12px;
}
.big-card-body > p{
  color:var(--muted);
  font-size:15.5px;
  line-height:1.85;
}
.check-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px 22px;
  margin-top:22px;
}
.check-list li{
  position:relative;
  padding-left:24px;
  font-size:14.5px;
  color:var(--text);
  line-height:1.7;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:8px;
  width:9px;height:9px;
  border-radius:50%;
  background:var(--gold);
  box-shadow:0 0 0 4px rgba(255,177,61,.18);
}
.big-card-foot{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-top:26px;
  padding-top:20px;
  border-top:1px solid var(--line);
}
.pill-row{display:flex;flex-wrap:wrap;gap:9px;}
.pill{
  display:inline-flex;align-items:center;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(91,43,184,.08);
  color:var(--brand);
  font-size:12.5px;
  font-weight:600;
}
.pill.pill-aurora{background:rgba(20,200,176,.12);color:#0E9E8B;}
.card-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--brand);
}
.card-link i{transition:transform .22s ease;}
.card-link:hover i{transform:translateX(4px);}

/* ============ 右侧信息条 ============ */
.info-rail{
  position:sticky;
  top:24px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.rail-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--sh-1);
}
.rail-card h3{
  font-size:1.02rem;
  margin-bottom:6px;
  display:flex;align-items:center;gap:9px;
}
.rail-card h3 i{color:var(--aurora);font-size:15px;}
.rail-card .rail-note{
  font-size:13px;
  color:var(--muted);
  line-height:1.7;
  margin-bottom:16px;
}
.rail-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:11px 0;
  font-size:14px;
  line-height:1.7;
  color:var(--text);
  border-bottom:1px dashed var(--line);
}
.rail-list li:last-child{border-bottom:0;padding-bottom:0;}
.rail-list .rk{
  flex:0 0 auto;
  width:22px;height:22px;
  margin-top:3px;
  border-radius:8px;
  background:var(--grad-soft);
  color:var(--brand);
  font-size:11px;
  font-weight:800;
  display:grid;place-items:center;
}
.rail-card.rail-dark{
  background:var(--ink);
  border-color:transparent;
  color:rgba(255,255,255,.82);
  position:relative;
  overflow:hidden;
}
.rail-card.rail-dark::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px, transparent 1px);
  background-size:24px 24px;
  opacity:.4;
  pointer-events:none;
}
.rail-card.rail-dark h3{color:#fff;position:relative;z-index:1;}
.rail-card.rail-dark h3 i{color:var(--gold);}
.rail-card.rail-dark p{position:relative;z-index:1;}
.rail-card.rail-dark .rail-note{color:rgba(255,255,255,.6);}
.rail-card.rail-dark .btn-ghost{width:100%;margin-top:16px;position:relative;z-index:1;}
.rail-stats{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.rail-stat{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:12px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.rail-stat:last-child{border-bottom:0;padding-bottom:0;}
.rail-stat .rs-num{
  font-size:22px;font-weight:800;color:var(--ink);
}
.rail-stat .rs-num i{font-style:normal;color:var(--gold);font-size:15px;}
.rail-stat .rs-lbl{font-size:13px;color:var(--muted);}

/* ============ 流程时间轴 ============ */
.flow-wrap{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
  counter-reset:flow;
}
.flow-item{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:28px 24px 26px;
  box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease;
}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.flow-item::before{
  counter-increment:flow;
  content:"0" counter(flow);
  position:absolute;
  top:22px;right:22px;
  font-size:13px;
  font-weight:800;
  letter-spacing:.08em;
  color:rgba(91,43,184,.28);
}
.flow-ico{
  width:48px;height:48px;
  border-radius:16px;
  background:var(--grad);
  color:#fff;
  display:grid;place-items:center;
  font-size:18px;
  margin-bottom:18px;
  box-shadow:0 14px 26px -14px rgba(91,43,184,.9);
}
.flow-item h3{font-size:1.08rem;margin-bottom:10px;}
.flow-item p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ============ 场景卡 ============ */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.scene-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  display:flex;
  flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.scene-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.scene-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.scene-body h3{font-size:1.08rem;margin-bottom:10px;}
.scene-body p{font-size:14.5px;color:var(--muted);line-height:1.8;flex:1;}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}

/* ============ 深色数据带 ============ */
.dark-band{
  background:var(--ink);
  border-radius:var(--r-xl);
  padding:56px 48px;
  position:relative;
  overflow:hidden;
  color:rgba(255,255,255,.8);
}
.dark-band::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px, transparent 1px);
  background-size:28px 28px;
  opacity:.4;
  pointer-events:none;
}
.dark-band-inner{
  position:relative;z-index:1;
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:44px;
  align-items:center;
}
.dark-band h2{
  color:#fff;
  font-size:clamp(1.5rem,2.5vw,2.1rem);
  line-height:1.35;
  margin-bottom:14px;
}
.dark-band p{font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.72);}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.stat-box{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-md);
  padding:22px 22px 20px;
  transition:background .24s ease,border-color .24s ease,transform .24s ease;
}
.stat-box:hover{background:rgba(255,255,255,.1);border-color:rgba(255,177,61,.5);transform:translateY(-3px);}
.stat-box .sb-num{
  font-size:30px;font-weight:800;color:#fff;line-height:1.15;
}
.stat-box .sb-num i{font-style:normal;color:var(--gold);font-size:18px;}
.stat-box .sb-lbl{font-size:13.5px;color:rgba(255,255,255,.62);margin-top:6px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.accordion-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:18px;
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  width:100%;
  display:flex;
  align-items:center;
  gap:16px;
  padding:22px 26px;
  background:transparent;
  border:0;
  font-size:16.5px;
  font-weight:700;
  color:var(--ink);
  text-align:left;
  position:relative;
  box-shadow:none;
}
.accordion-button::after{display:none;}
.accordion-button:not(.collapsed){color:var(--brand);background:transparent;box-shadow:none;}
.accordion-button:focus{box-shadow:none;outline:none;}
.accordion-button:focus-visible{outline:3px solid rgba(91,43,184,.35);outline-offset:-3px;}
.accordion-button .q-ico{
  flex:0 0 auto;
  width:30px;height:30px;
  border-radius:10px;
  background:var(--grad-soft);
  color:var(--brand);
  display:grid;place-items:center;
  font-size:13px;
  transition:transform .26s ease,background .26s ease,color .26s ease;
}
.accordion-button:not(.collapsed) .q-ico{
  background:var(--grad);
  color:#fff;
  transform:rotate(90deg);
}
.accordion-item .acc-bar{
  position:absolute;left:0;top:0;bottom:0;
  width:3px;
  background:var(--grad);
  opacity:0;
  transition:opacity .26s ease;
}
.accordion-item.open-bar .acc-bar{opacity:1;}
.accordion-body{
  padding:0 26px 24px 72px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
}

/* ============ CTA ============ */
.cta-card{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  background:var(--grad);
  box-shadow:0 40px 70px -34px rgba(91,43,184,.95);
}
.cta-card::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.24) 1px, transparent 1px);
  background-size:28px 28px;
  opacity:.45;
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:44px;
  align-items:center;
  padding:56px 52px;
}
.cta-inner h2{
  color:#fff;
  font-size:clamp(1.5rem,2.6vw,2.15rem);
  line-height:1.35;
  margin-bottom:14px;
}
.cta-inner p{color:rgba(255,255,255,.88);font-size:15.5px;line-height:1.85;}
.cta-form{
  display:flex;
  gap:12px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.3);
  border-radius:999px;
  padding:8px;
}
.cta-form input{
  flex:1;
  min-width:0;
  border:0;
  background:#fff;
  border-radius:999px;
  padding:0 20px;
  min-height:48px;
  font-size:15px;
  color:var(--text);
}
.cta-form input::placeholder{color:var(--muted-2);}
.cta-form input:focus{
  outline:none;
  box-shadow:0 0 0 3px rgba(91,43,184,.35);
}
.cta-form button{
  flex:0 0 auto;
  border:0;
  border-radius:999px;
  padding:0 26px;
  min-height:48px;
  background:var(--ink);
  color:#fff;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:transform .22s ease,background .22s ease;
}
.cta-form button:hover{background:var(--ink-2);transform:translateY(-2px);}
.cta-foot-note{
  margin-top:16px;
  font-size:13px;
  color:rgba(255,255,255,.78);
  position:relative;
  z-index:1;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:72px 0 30px;
  margin-top:104px;
  position:relative;
  overflow:hidden;
}
.site-footer::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.12) 1px, transparent 1px);
  background-size:30px 30px;
  opacity:.35;
  pointer-events:none;
}
.site-footer .container-app{position:relative;z-index:1;}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));
  gap:40px;
}
.footer-brand{
  display:flex;align-items:center;gap:12px;
  color:#fff;font-size:17px;font-weight:800;
  margin-bottom:16px;
}
.footer-about{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.62);
  max-width:380px;
}
.footer-col h3{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{
  color:rgba(255,255,255,.7);
  font-size:14px;
}
.footer-col ul li a:hover{color:var(--gold);}
.footer-note{
  font-size:13.5px;
  line-height:2;
  color:rgba(255,255,255,.62);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:52px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.52);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  :root{--side-w:76px;}
  body{padding-left:76px;}
  .side-shell{padding:22px 10px 20px;overflow:visible;}
  .brand-text{display:none;}
  .side-brand{justify-content:center;padding:6px 0 20px;}
  .side-link{justify-content:center;padding:13px 0;}
  .side-link .lbl{
    position:absolute;
    left:78px;top:50%;
    transform:translateY(-50%);
    background:var(--ink-2);
    color:#fff;
    padding:8px 14px;
    border-radius:12px;
    font-size:13.5px;
    font-weight:600;
    white-space:nowrap;
    opacity:0;
    pointer-events:none;
    box-shadow:0 14px 28px -14px rgba(21,14,40,.9);
    transition:opacity .2s ease,left .2s ease;
  }
  .side-link:hover .lbl,
  .side-link:focus-visible .lbl{opacity:1;left:86px;}
  .side-tip{display:none;}
  .side-cta span.cta-text{display:none;}
  .side-cta{width:48px;height:48px;min-height:48px;padding:0;margin:0 auto;}
  .cat2-layout{grid-template-columns:minmax(0,1fr) 300px;gap:26px;}
  .hero-inner,.cat-hero-inner{padding:52px 40px 62px;gap:32px;}
  .dark-band{padding:48px 36px;}
}
@media (max-width:991.98px){
  body{padding-left:0;padding-top:60px;font-size:16px;}
  .side-shell{display:none;}
  .mobile-bar{display:flex;}
  .cat-hero{margin-top:16px;border-radius:24px;}
  .cat-hero-inner{grid-template-columns:minmax(0,1fr);padding:44px 30px 52px;gap:30px;}
  .hero-visual{max-width:560px;}
  .badge-band{margin-top:-22px;}
  .badge-band-inner{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 20px;padding:20px;}
  .badge-item + .badge-item{border-left:0;padding-left:0;}
  .cat2-layout{grid-template-columns:minmax(0,1fr);}
  .info-rail{position:static;}
  .flow-wrap{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .dark-band-inner{grid-template-columns:minmax(0,1fr);gap:32px;}
  .cta-inner{grid-template-columns:minmax(0,1fr);padding:44px 34px;gap:28px;}
  .section{padding:80px 0 0;}
  .section:last-of-type{padding-bottom:80px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px;}
}
@media (max-width:767.98px){
  .section{padding:64px 0 0;}
  .section:last-of-type{padding-bottom:64px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px;}
  .cat-hero-inner{padding:36px 22px 44px;}
  .cat-hero h1{font-size:1.85rem;}
  .hero-sub{font-size:15.5px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn-grad,.hero-actions .btn-ghost{flex:1 1 auto;}
  .big-card-body{padding:24px 22px 26px;}
  .big-card-media .media-idx{width:48px;height:48px;border-radius:15px;font-size:17px;right:14px;bottom:-20px;}
  .check-list{grid-template-columns:minmax(0,1fr);}
  .big-card-foot{flex-direction:column;align-items:flex-start;}
  .flow-wrap{grid-template-columns:minmax(0,1fr);}
  .scene-grid{grid-template-columns:minmax(0,1fr);}
  .stat-grid{grid-template-columns:minmax(0,1fr);}
  .dark-band{padding:36px 22px;border-radius:26px;}
  .cta-inner{padding:34px 22px;border-radius:26px;}
  .cta-form{flex-direction:column;border-radius:22px;}
  .cta-form input,.cta-form button{width:100%;border-radius:16px;}
  .accordion-button{padding:18px 20px;font-size:15.5px;}
  .accordion-body{padding:0 20px 20px 62px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px;}
  .site-footer{padding:56px 0 26px;margin-top:72px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;margin-top:36px;}
}
@media (max-width:575.98px){
  body{font-size:16px;}
  .container-app{padding:0 18px;}
  .cat-hero h1{font-size:1.75rem;}
  .badge-band-inner{grid-template-columns:repeat(2,minmax(0,1fr));padding:16px;border-radius:22px;}
  .badge-ico{width:36px;height:36px;font-size:14px;}
  .badge-num{font-size:17px;}
  .badge-lbl{font-size:12px;}
  .btn-grad,.btn-line,.btn-ghost{width:100%;min-height:46px;}
  .hero-actions{flex-direction:column;}
  .hero-meta{gap:12px;font-size:12.5px;}
  .card-link{font-size:13.5px;}
  .big-card-media img{aspect-ratio:16/10;}
  .stat-box .sb-num{font-size:25px;}
  .cta-inner h2{font-size:1.5rem;}
}

/* roulang page: category1 */
:root{
  --brand:#5B2BB8;
  --brand-2:#8A3FF0;
  --ink:#150E28;
  --cyan:#14C8B0;
  --gold:#FFB13D;
  --bg:#FAF6F1;
  --surface:#FFFFFF;
  --text:#1E1633;
  --muted:#6B6280;
  --border:rgba(21,14,40,.08);
  --border-strong:rgba(21,14,40,.16);
  --grad:linear-gradient(135deg,#5B2BB8 0%,#8A3FF0 48%,#14C8B0 100%);
  --grad-gold:linear-gradient(135deg,#5B2BB8 0%,#FFB13D 100%);
  --r-xl:32px;
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --pill:999px;
  --sh-1:0 2px 8px rgba(21,14,40,.04),0 24px 48px -24px rgba(21,14,40,.18);
  --sh-2:0 6px 16px rgba(21,14,40,.08),0 32px 60px -24px rgba(21,14,40,.26);
  --sidebar:248px;
  --sidebar-sm:76px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:hover{color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(91,43,184,.35);outline-offset:2px;border-radius:8px;}

.container-app{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 20px;
}

/* ============ 侧栏导航 ============ */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar);
  background:var(--ink);
  color:#fff;
  padding:26px 18px 22px;
  display:flex;
  flex-direction:column;
  gap:26px;
  z-index:1040;
  overflow-y:auto;
}
.sidebar::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:22px 22px;
  pointer-events:none;
  opacity:.5;
}
.side-brand{
  display:flex;
  align-items:center;
  gap:12px;
  position:relative;
  z-index:2;
}
.brand-mark{
  width:42px;height:42px;
  flex:0 0 42px;
  border-radius:14px;
  background:var(--grad);
  display:grid;
  place-items:center;
  color:#fff;
  font-size:17px;
  box-shadow:0 10px 24px -10px rgba(138,63,240,.9);
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.25;
  font-weight:800;
  font-size:17px;
  letter-spacing:.01em;
}
.brand-text small{
  font-size:11px;
  font-weight:500;
  letter-spacing:.18em;
  color:rgba(255,255,255,.55);
}
.side-nav{
  display:flex;
  flex-direction:column;
  gap:6px;
  position:relative;
  z-index:2;
}
.side-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 14px;
  border-radius:var(--r-sm);
  color:rgba(255,255,255,.72);
  font-size:15px;
  font-weight:500;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.side-link .ico{
  width:22px;
  display:grid;
  place-items:center;
  font-size:15px;
}
.side-link:hover{
  background:rgba(255,255,255,.08);
  color:#fff;
}
.side-link.active{
  background:var(--grad);
  color:#fff;
  box-shadow:0 14px 30px -16px rgba(138,63,240,.95);
}
.side-foot{
  margin-top:auto;
  position:relative;
  z-index:2;
}
.side-cta{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:13px 16px;
  border-radius:var(--pill);
  border:1.5px solid rgba(255,255,255,.4);
  color:#fff;
  font-size:14.5px;
  font-weight:600;
  transition:.24s ease;
}
.side-cta:hover{
  background:rgba(255,255,255,.1);
  border-color:var(--gold);
  color:var(--gold);
}

/* ============ 移动端顶栏与抽屉 ============ */
.mobile-bar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:60px;
  background:var(--ink);
  color:#fff;
  align-items:center;
  justify-content:space-between;
  padding:0 14px;
  z-index:1050;
}
.hamburger{
  width:44px;height:44px;
  border:0;border-radius:12px;
  background:rgba(255,255,255,.08);
  color:#fff;
  font-size:17px;
}
.mobile-brand{
  font-weight:800;
  font-size:16px;
  letter-spacing:.01em;
}
.mobile-cta{
  font-size:13px;
  padding:9px 14px;
  border-radius:var(--pill);
  background:var(--grad);
  font-weight:600;
}
.drawer-mask{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(21,14,40,.55);
  z-index:1045;
  opacity:0;
  transition:opacity .3s ease;
}
.drawer-mask.show{display:block;opacity:1;}

/* ============ 主区域 ============ */
.main{
  padding-left:var(--sidebar);
  min-height:100vh;
}
@media (min-width:992px){
  .main{padding-left:272px;}
}

/* ============ 页面头部 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  color:#fff;
  padding:66px 0 116px;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(115deg,rgba(21,14,40,.86) 0%,rgba(91,43,184,.72) 46%,rgba(20,200,176,.55) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.95;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.55;
}
.page-hero-inner{
  position:relative;
  z-index:2;
  max-width:840px;
}
.crumb{
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-bottom:20px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.crumb a{color:rgba(255,255,255,.72);}
.crumb a:hover{color:var(--gold);}
.crumb span.sep{opacity:.5;}
.crumb .current{color:#fff;font-weight:700;}
.page-hero h1{
  color:#fff;
  font-size:clamp(2rem,4.4vw,3.25rem);
  line-height:1.2;
  letter-spacing:-.01em;
}
.page-hero-sub{
  margin-top:18px;
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.86);
  max-width:640px;
}
.hero-actions{
  margin-top:30px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.btn-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 28px;
  border:0;
  border-radius:var(--pill);
  background:var(--grad);
  color:#fff;
  font-size:15.5px;
  font-weight:700;
  box-shadow:0 16px 34px -18px rgba(138,63,240,.95);
  transition:transform .22s ease,box-shadow .22s ease;
  min-height:46px;
}
.btn-brand:hover{
  transform:translateY(-2px);
  box-shadow:0 22px 44px -18px rgba(138,63,240,1);
  color:#fff;
}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:13px 26px;
  border-radius:var(--pill);
  border:1.5px solid rgba(255,255,255,.6);
  color:#fff;
  font-size:15.5px;
  font-weight:600;
  transition:.24s ease;
  min-height:46px;
}
.btn-ghost:hover{
  background:rgba(255,255,255,.12);
  border-color:var(--gold);
  color:var(--gold);
}
.btn-outline-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:13px 26px;
  border-radius:var(--pill);
  border:1.5px solid var(--brand);
  color:var(--brand);
  font-weight:600;
  font-size:15px;
  background:transparent;
  transition:.24s ease;
  min-height:46px;
}
.btn-outline-brand:hover{
  background:rgba(91,43,184,.08);
  color:var(--brand);
}

/* ============ 数据徽章带 ============ */
.stat-band{
  margin-top:-58px;
  position:relative;
  z-index:5;
  padding-bottom:8px;
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}
.stat-chip{
  background:var(--surface);
  border-radius:var(--r-md);
  padding:18px 20px;
  box-shadow:var(--sh-1);
  border:1px solid rgba(255,177,61,.35);
  display:flex;
  align-items:center;
  gap:14px;
}
.stat-chip .sc-ico{
  width:40px;height:40px;
  flex:0 0 40px;
  border-radius:12px;
  background:rgba(91,43,184,.1);
  color:var(--brand);
  display:grid;
  place-items:center;
  font-size:16px;
}
.stat-chip .sc-num{
  font-size:20px;
  font-weight:800;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.stat-chip .sc-lbl{
  font-size:12.5px;
  color:var(--muted);
}

/* ============ 内容两列 ============ */
.section-pad{padding:88px 0 0;}
.layout{
  display:grid;
  grid-template-columns:250px minmax(0,1fr);
  gap:40px;
  align-items:start;
}
.anchor-card{
  position:sticky;
  top:32px;
  background:var(--surface);
  border-radius:var(--r-md);
  border:1px solid var(--border);
  box-shadow:var(--sh-1);
  padding:22px 18px;
}
.anchor-card h2{
  font-size:14px;
  letter-spacing:.14em;
  color:var(--muted);
  font-weight:700;
  margin-bottom:14px;
  text-transform:uppercase;
}
.anchor-nav{display:flex;flex-direction:column;gap:2px;}
.anchor-nav a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius:12px;
  font-size:14.5px;
  color:var(--muted);
  transition:.2s ease;
  border-left:3px solid transparent;
}
.anchor-nav a:hover{background:rgba(91,43,184,.06);color:var(--brand);}
.anchor-nav a.active{
  background:rgba(91,43,184,.08);
  color:var(--brand);
  font-weight:700;
  border-left-color:var(--brand);
}
.anchor-note{
  margin-top:18px;
  padding-top:16px;
  border-top:1px dashed var(--border-strong);
  font-size:13px;
  color:var(--muted);
  line-height:1.7;
}

.block-head{
  margin-bottom:26px;
}
.block-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--brand);
  background:rgba(91,43,184,.08);
  padding:6px 14px;
  border-radius:var(--pill);
  margin-bottom:14px;
}
.block-head h2{
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  line-height:1.3;
}
.block-head p{
  margin-top:12px;
  color:var(--muted);
  font-size:15.5px;
  max-width:680px;
}

/* ============ 条目列表 ============ */
.entry-list{display:flex;flex-direction:column;gap:16px;}
.entry{
  display:grid;
  grid-template-columns:112px minmax(0,1fr) 44px;
  gap:20px;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:18px;
  box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  position:relative;
  overflow:hidden;
}
.entry::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:8px;
  background:var(--brand);
  opacity:.85;
  transition:background .24s ease;
}
.entry:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(91,43,184,.24);
}
.entry:hover::before{background:var(--grad);}
.entry-thumb{
  border-radius:var(--r-sm);
  overflow:hidden;
  aspect-ratio:16/10;
  background:rgba(91,43,184,.08);
}
.entry-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .35s ease;
}
.entry:hover .entry-thumb img{transform:scale(1.04);}
.entry-body h3{
  font-size:1.15rem;
  margin-bottom:8px;
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.tag{
  display:inline-flex;
  align-items:center;
  font-size:12px;
  font-weight:700;
  padding:4px 12px;
  border-radius:var(--pill);
  background:rgba(20,200,176,.14);
  color:#0E8C7C;
}
.tag.gold{background:rgba(255,177,61,.18);color:#9A6208;}
.tag.purple{background:rgba(91,43,184,.12);color:var(--brand);}
.entry-body p{
  color:var(--muted);
  font-size:14.5px;
  line-height:1.72;
}
.entry-meta{
  margin-top:12px;
  display:flex;
  flex-wrap:wrap;
  gap:18px;
  font-size:13px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.entry-meta i{color:var(--cyan);margin-right:6px;}
.entry-go{
  width:44px;height:44px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:rgba(91,43,184,.08);
  color:var(--brand);
  transition:.24s ease;
}
.entry:hover .entry-go{
  background:var(--grad);
  color:#fff;
  transform:translateX(2px);
}

/* ============ 时间轴 ============ */
.timeline{
  position:relative;
  padding-left:30px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:9px;top:8px;bottom:8px;
  width:2px;
  background:linear-gradient(180deg,var(--brand),var(--cyan));
  opacity:.4;
}
.tl-item{
  position:relative;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:20px 22px;
  box-shadow:var(--sh-1);
}
.tl-item::before{
  content:"";
  position:absolute;
  left:-27px;top:26px;
  width:12px;height:12px;
  border-radius:50%;
  background:var(--gold);
  border:3px solid var(--bg);
  box-shadow:0 0 0 2px rgba(91,43,184,.25);
}
.tl-item h3{font-size:1.12rem;margin-bottom:8px;}
.tl-item p{color:var(--muted);font-size:14.5px;}
.tl-item .tl-tag{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  color:var(--brand);
  letter-spacing:.08em;
  margin-bottom:6px;
}

/* ============ 清单 ============ */
.check-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}
.check-item{
  display:flex;
  gap:14px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:18px 20px;
  box-shadow:var(--sh-1);
}
.check-item .ck{
  width:26px;height:26px;
  flex:0 0 26px;
  border-radius:50%;
  background:rgba(20,200,176,.16);
  color:#0E8C7C;
  display:grid;
  place-items:center;
  font-size:12px;
  margin-top:2px;
}
.check-item h3{font-size:1.02rem;margin-bottom:6px;}
.check-item p{font-size:14px;color:var(--muted);}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;}
.accordion-item{
  border:0;
  background:var(--surface);
  border-radius:18px;
  margin-bottom:14px;
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.accordion-button{
  position:relative;
  background:var(--surface);
  color:var(--ink);
  font-weight:700;
  font-size:16px;
  padding:20px 24px;
  box-shadow:none;
  border-radius:18px;
  gap:14px;
}
.accordion-button::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--grad);
  opacity:0;
  transition:opacity .24s ease;
}
.accordion-button:not(.collapsed)::before{opacity:1;}
.accordion-button:not(.collapsed){
  color:var(--brand);
  background:rgba(91,43,184,.045);
  box-shadow:none;
}
.accordion-button:focus{
  box-shadow:none;
  border-color:transparent;
}
.accordion-button::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%235B2BB8'%3E%3Cpath d='M6.2 2.5 11 8l-4.8 5.5-1.3-1.1L8.2 8 4.9 3.6z'/%3E%3C/svg%3E");
  width:1rem;height:1rem;background-size:1rem;
  transition:transform .24s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(90deg);}
.accordion-body{
  padding:2px 24px 22px;
  color:var(--muted);
  font-size:15px;
  line-height:1.8;
}

/* ============ CTA ============ */
.cta-card{
  background:var(--grad);
  border-radius:var(--r-xl);
  padding:48px;
  color:#fff;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,.9fr);
  gap:40px;
  align-items:center;
  position:relative;
  overflow:hidden;
  box-shadow:0 30px 70px -34px rgba(91,43,184,.85);
}
.cta-card::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:24px 24px;
  opacity:.5;
  pointer-events:none;
}
.cta-card > *{position:relative;z-index:2;}
.cta-card h2{
  color:#fff;
  font-size:clamp(1.5rem,2.6vw,2.05rem);
  line-height:1.3;
  margin-bottom:14px;
}
.cta-card p{
  color:rgba(255,255,255,.88);
  font-size:15.5px;
  max-width:460px;
}
.cta-form{
  display:flex;
  gap:12px;
  background:rgba(255,255,255,.14);
  padding:10px;
  border-radius:var(--pill);
  border:1px solid rgba(255,255,255,.28);
}
.cta-form input{
  flex:1;
  min-width:0;
  border:0;
  background:#fff;
  border-radius:var(--pill);
  padding:13px 20px;
  font-size:15px;
  color:var(--ink);
  outline:none;
  transition:box-shadow .22s ease;
}
.cta-form input::placeholder{color:#9C93AE;}
.cta-form input:focus{box-shadow:0 0 0 3px rgba(91,43,184,.35);}
.cta-form button{
  border:0;
  border-radius:var(--pill);
  padding:13px 26px;
  background:var(--ink);
  color:#fff;
  font-weight:700;
  font-size:15px;
  white-space:nowrap;
  transition:.24s ease;
  min-height:46px;
}
.cta-form button:hover{background:#2A1B4D;transform:translateY(-2px);}
.cta-hint{
  margin-top:14px;
  font-size:13px;
  color:rgba(255,255,255,.78);
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:104px;
  background:var(--ink);
  color:#fff;
  padding:64px 0 26px;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:24px 24px;
  opacity:.5;
}
.site-footer .container-app{position:relative;z-index:2;}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:12px;
  font-weight:800;
  font-size:17px;
  margin-bottom:16px;
}
.footer-brand .brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  font-size:15px;
}
.footer-about{
  color:rgba(255,255,255,.66);
  font-size:14px;
  line-height:1.8;
  max-width:340px;
}
.footer-col h3{
  color:#fff;
  font-size:15px;
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  color:rgba(255,255,255,.66);
  font-size:14px;
  transition:color .2s ease;
}
.footer-col a:hover{color:var(--gold);}
.footer-note{
  color:rgba(255,255,255,.66);
  font-size:14px;
  line-height:1.9;
}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (min-width:992px) and (max-width:1199.98px){
  .sidebar{width:var(--sidebar-sm);padding:22px 12px;align-items:center;}
  .sidebar .brand-text{display:none;}
  .side-link{justify-content:center;padding:12px 0;width:100%;}
  .side-link .lbl{
    position:absolute;
    left:calc(100% + 12px);
    top:50%;
    transform:translateY(-50%);
    background:var(--ink);
    color:#fff;
    padding:8px 15px;
    border-radius:var(--pill);
    white-space:nowrap;
    font-size:13.5px;
    opacity:0;
    pointer-events:none;
    transition:opacity .2s ease,transform .2s ease;
    box-shadow:var(--sh-2);
    z-index:20;
  }
  .side-link:hover .lbl{opacity:1;transform:translateY(-50%) translateX(4px);}
  .side-cta span{display:none;}
  .side-cta{padding:13px 0;width:52px;}
  .layout{grid-template-columns:220px minmax(0,1fr);gap:28px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
}

@media (max-width:991.98px){
  .sidebar{
    width:280px;
    transform:translateX(-100%);
    transition:transform .3s ease;
    z-index:1051;
    padding:26px 18px 24px;
  }
  .sidebar.open{transform:translateX(0);}
  .mobile-bar{display:flex;}
  .main{padding-left:0;padding-top:60px;}
  .page-hero{padding:48px 0 104px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .anchor-card{position:static;}
  .anchor-nav{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .anchor-nav a{border-left:0;border:1px solid var(--border);border-radius:var(--pill);padding:8px 16px;font-size:13.5px;}
  .anchor-nav a.active{border-color:var(--brand);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-card{grid-template-columns:minmax(0,1fr);padding:36px 28px;gap:26px;}
}

@media (max-width:767.98px){
  body{font-size:16px;}
  .section-pad{padding-top:64px;}
  .entry{grid-template-columns:88px minmax(0,1fr);padding:16px;gap:16px;}
  .entry-go{display:none;}
  .check-list{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .cta-form{flex-direction:column;border-radius:22px;}
  .cta-form input,.cta-form button{width:100%;border-radius:16px;}
  .site-footer{margin-top:72px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

@media (max-width:575.98px){
  .page-hero h1{font-size:1.75rem;}
  .page-hero-sub{font-size:15.5px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
  .stat-chip{padding:14px;gap:10px;}
  .stat-chip .sc-num{font-size:17px;}
  .btn-brand,.btn-ghost,.btn-outline-brand{width:100%;justify-content:center;}
  .entry{grid-template-columns:minmax(0,1fr);}
  .entry-thumb{aspect-ratio:16/9;}
  .timeline{padding-left:22px;}
  .tl-item::before{left:-19px;width:10px;height:10px;}
  .container-app{padding:0 16px;}
}