/* roulang page: index */
:root{
  --brand-primary:#7C4DFF;
  --brand-secondary:#16D9C5;
  --brand-accent:#FFB020;
  --ink:#171126;
  --surface:#FFFFFF;
  --surface-2:#F6F2FF;
  --surface-dark:#211735;
  --text:#1E1830;
  --muted:#6F6880;
  --border:rgba(124,77,255,.14);
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow-s:0 8px 24px rgba(35,20,70,.08);
  --shadow-hover:0 16px 40px rgba(124,77,255,.18);
  --grad:linear-gradient(135deg,#7C4DFF 0%,#16D9C5 100%);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:#5c31e0}
h1,h2,h3,h4{color:var(--ink);font-weight:800;line-height:1.22;margin:0}
p{margin:0}
ul{padding-left:0;list-style:none;margin:0}
button{font-family:inherit}
.container{max-width:var(--container);padding-left:20px;padding-right:20px}
section{position:relative}
.section{padding:76px 0}
.section-tight{padding:56px 0}
.section-alt{background:var(--surface-2)}
.section-head{margin-bottom:36px;max-width:820px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-primary);text-transform:uppercase;
  background:rgba(124,77,255,.08);
  padding:6px 14px;border-radius:999px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(23px,2.6vw,32px);margin-bottom:12px}
.section-head p{color:var(--muted);font-size:16px}
.section-head .bar{width:52px;height:4px;border-radius:999px;background:var(--grad);margin-top:18px}

/* ---------- 按钮 ---------- */
.btn{border-radius:999px;font-weight:700;font-size:15.5px;padding:12px 26px;border:1.5px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn:active{transform:scale(.98)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(22,217,197,.45)}
.btn-brand{background:var(--grad);color:#fff}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(124,77,255,.35)}
.btn-outline-brand{border-color:rgba(124,77,255,.45);color:var(--brand-primary);background:transparent}
.btn-outline-brand:hover{background:rgba(124,77,255,.08);color:var(--brand-primary);transform:translateY(-2px)}
.btn-ghost{color:var(--text);background:transparent;border-color:var(--border)}
.btn-ghost:hover{background:var(--surface-2);color:var(--brand-primary);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge-soft{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;padding:4px 12px;border-radius:999px;line-height:1.6}
.badge-primary{background:rgba(124,77,255,.12);color:#5b2fe0}
.badge-secondary{background:rgba(22,217,197,.16);color:#0e8f83}
.badge-accent{background:rgba(255,176,32,.18);color:#a56900}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--border);
}
.site-navbar{min-height:72px;flex-wrap:nowrap;align-items:center;padding:0;gap:16px}
.brand{display:flex;align-items:center;gap:10px;padding:0;text-decoration:none;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;
  box-shadow:0 6px 16px rgba(124,77,255,.28);flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.06em}
.nav-main{gap:4px}
.nav-main .nav-link{
  color:var(--text);font-weight:600;font-size:15.5px;
  padding:8px 14px;border-radius:10px;position:relative;
}
.nav-main .nav-link:hover{color:var(--brand-primary);background:rgba(124,77,255,.07)}
.nav-main .nav-link.active{color:var(--brand-primary)}
.nav-main .nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:999px;background:var(--grad);
}
.nav-tools{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search i{position:absolute;left:14px;color:var(--muted);font-size:13px;pointer-events:none}
.nav-search .form-control{
  height:44px;width:210px;border-radius:12px;border:1px solid var(--border);
  background:var(--surface-2);padding-left:36px;font-size:14.5px;color:var(--text);
}
.nav-search .form-control:focus{background:#fff;border-color:var(--brand-primary);box-shadow:0 0 0 3px rgba(22,217,197,.28)}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:var(--surface);color:var(--brand-primary);font-size:17px;display:none;align-items:center;justify-content:center;
}
.nav-drawer{width:min(88vw,360px)}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--border);padding:16px 20px;align-items:center;gap:10px}
.nav-drawer .offcanvas-body{padding:20px;display:flex;flex-direction:column;gap:18px}
@media (max-width:991.98px){
  .site-navbar{min-height:60px;justify-content:space-between}
  .nav-toggle{display:inline-flex}
  .nav-main .nav-link{padding:12px 8px;border-bottom:1px solid var(--border);border-radius:0;font-size:16px}
  .nav-main .nav-link.active::after{display:none}
  .nav-tools{flex-direction:column;align-items:stretch;gap:12px}
  .nav-search .form-control{width:100%}
  .nav-tools .btn{width:100%}
}
@media (min-width:992px){
  .nav-drawer.offcanvas{
    position:static;transform:none !important;visibility:visible !important;
    background:transparent;border:0;width:auto;max-width:none;height:auto;
    display:flex;flex-direction:row;align-items:center;flex:1 1 auto;
  }
  .nav-drawer .offcanvas-header{display:none}
  .nav-drawer .offcanvas-body{padding:0;flex-direction:row;align-items:center;justify-content:space-between;gap:20px;flex:1 1 auto}
  .nav-main{flex-direction:row;align-items:center;margin-right:auto}
}

/* ---------- Hero ---------- */
.hero{
  padding:64px 0 72px;
  background:
    radial-gradient(900px 420px at 88% -10%,rgba(22,217,197,.16),transparent 62%),
    radial-gradient(760px 400px at 4% 0%,rgba(124,77,255,.14),transparent 60%),
    linear-gradient(180deg,#FBF9FF 0%,#FFFFFF 100%);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(124,77,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(124,77,255,.05) 1px,transparent 1px);
  background-size:34px 34px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
}
.hero .container{position:relative;z-index:2}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;
  color:#5b2fe0;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-s);
  padding:7px 16px;border-radius:999px;margin-bottom:20px;
}
.hero-eyebrow i{color:var(--brand-secondary)}
.hero h1{font-size:clamp(30px,4vw,52px);letter-spacing:-.01em;margin-bottom:18px}
.hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-points{display:grid;gap:12px;max-width:560px}
.hero-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text)}
.hero-points i{color:var(--brand-secondary);margin-top:5px;font-size:14px}
.hero-visual{position:relative}
.hero-visual .hero-shot{
  border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--border);
  box-shadow:0 24px 60px rgba(35,20,70,.16);background:var(--surface-2);
}
.hero-visual .hero-shot img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3.1}
.hero-status{
  position:absolute;left:-14px;bottom:-22px;width:min(88%,320px);
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  box-shadow:0 18px 44px rgba(35,20,70,.16);padding:16px 18px;
}
.hero-status .status-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.hero-status .status-head strong{font-size:14.5px;color:var(--ink)}
.hero-status .status-head span{font-size:12.5px;color:var(--muted)}
.status-step{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted);padding:6px 0}
.status-step b{
  width:22px;height:22px;border-radius:50%;background:var(--surface-2);color:var(--muted);
  font-size:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-weight:700;
}
.status-step.done{color:var(--ink)}
.status-step.done b{background:var(--grad);color:#fff}
.status-step.current b{background:rgba(255,176,32,.2);color:#a56900}
.hero-metrics{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px}
.hero-metrics div strong{display:block;font-size:24px;color:var(--ink);font-weight:800}
.hero-metrics div span{font-size:13.5px;color:var(--muted)}
@media (max-width:991.98px){
  .hero{padding:44px 0 56px}
  .hero-visual{order:-1;margin-bottom:12px}
  .hero-status{position:static;width:100%;margin-top:16px;left:auto;bottom:auto}
  .hero-sub{max-width:100%}
}
@media (max-width:575.98px){
  .hero-actions .btn{width:100%}
  .hero-metrics{gap:18px}
}

/* ---------- 粘性合集目录 ---------- */
.quick-nav{position:sticky;top:72px;z-index:1030;background:rgba(255,255,255,.94);border-bottom:1px solid var(--border);backdrop-filter:blur(10px)}
.quick-inner{display:flex;align-items:center;gap:14px;padding:12px 0}
.quick-label{font-size:13.5px;font-weight:700;color:var(--muted);white-space:nowrap}
.quick-list{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding:2px}
.quick-list::-webkit-scrollbar{display:none}
.quick-list a{
  flex:0 0 auto;font-size:14.5px;font-weight:600;color:var(--text);
  padding:8px 16px;border-radius:999px;background:var(--surface-2);
  border:1px solid transparent;white-space:nowrap;transition:all .18s ease;
}
.quick-list a:hover{color:var(--brand-primary);border-color:rgba(124,77,255,.28);background:#fff}
.quick-list a.active{background:rgba(124,77,255,.12);color:#5b2fe0;border-color:rgba(124,77,255,.3)}
@media (max-width:991.98px){.quick-nav{top:60px}.quick-label{display:none}}

/* ---------- 卡片 ---------- */
.card-soft{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-m);
  box-shadow:var(--shadow-s);overflow:hidden;height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(124,77,255,.42)}
.card-cover{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease}
.card-soft:hover .card-cover img{transform:scale(1.04)}
.card-body{padding:22px 22px 24px}
.card-title{font-size:20px;margin:12px 0 10px}
.card-title a{color:var(--ink)}
.card-title a:hover{color:var(--brand-primary)}
.card-text{font-size:15px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:14px;margin-top:16px;font-size:13px;color:var(--muted)}
.card-meta i{margin-right:5px}

.feature-lead .card-cover{aspect-ratio:16/9.4}
.feature-lead .card-title{font-size:clamp(21px,2.2vw,27px)}
.feature-lead .card-body{padding:26px}
.feature-side .card-body{padding:18px 20px}
.feature-side .card-title{font-size:18px;margin:10px 0 8px}
.feature-side .card-cover{aspect-ratio:16/7.4}

/* ---------- 图文区块 ---------- */
.split-media{border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-s)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.check-list{display:grid;gap:14px;margin-top:22px}
.check-list li{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);padding:16px 18px;box-shadow:var(--shadow-s);transition:transform .18s ease,border-color .18s ease}
.check-list li:hover{transform:translateY(-3px);border-color:rgba(124,77,255,.38)}
.check-list i{color:var(--brand-primary);font-size:16px;margin-top:4px}
.check-list strong{display:block;font-size:16px;color:var(--ink);margin-bottom:4px}
.check-list span{font-size:14.5px;color:var(--muted);line-height:1.7}

/* ---------- 时间线 ---------- */
.timeline{position:relative;display:grid;gap:18px;margin-top:8px}
.timeline::before{content:"";position:absolute;left:26px;top:12px;bottom:12px;width:2px;background:linear-gradient(180deg,rgba(124,77,255,.5),rgba(22,217,197,.35));border-radius:999px}
.timeline-item{position:relative;padding-left:74px}
.timeline-item .step-no{
  position:absolute;left:0;top:6px;width:54px;height:54px;border-radius:16px;background:#fff;
  border:1px solid var(--border);box-shadow:var(--shadow-s);display:flex;align-items:center;justify-content:center;
  font-weight:800;color:var(--brand-primary);font-size:15px;
}
.timeline-item h3{font-size:19px;margin-bottom:8px}
.timeline-item p{color:var(--muted);font-size:15px}
.timeline-item .tips{margin-top:10px;font-size:14px;color:#0e8f83;background:rgba(22,217,197,.1);border-radius:var(--radius-s);padding:10px 14px}
@media (max-width:575.98px){
  .timeline::before{left:20px}
  .timeline-item{padding-left:60px}
  .timeline-item .step-no{width:42px;height:42px;border-radius:12px;font-size:13.5px}
}

/* ---------- CMS 最新信息 ---------- */
.cms-news-list{display:grid;gap:16px}
.cms-news-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  padding:22px 24px;box-shadow:var(--shadow-s);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cms-news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(124,77,255,.42)}
.cms-news-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted);margin-bottom:10px}
.cms-news-title{font-size:19px;margin-bottom:8px}
.cms-news-title a{color:var(--ink)}
.cms-news-title a:hover{color:var(--brand-primary)}
.cms-news-sum{font-size:15px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.cms-news-more{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:700;margin-top:14px}
.cms-news-more i{transition:transform .18s ease}
.cms-news-more:hover i{transform:translateX(4px)}
.cms-news-empty{
  background:#fff;border:1px dashed rgba(124,77,255,.32);border-radius:var(--radius-m);
  padding:36px 24px;text-align:center;color:var(--muted);font-size:15px;
}

/* ---------- 横向滚动推荐 ---------- */
.scroll-row{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(300px,1fr);gap:20px;overflow-x:auto;padding:6px 4px 20px;scroll-snap-type:x mandatory}
.scroll-row > *{scroll-snap-align:start}
.scroll-row::-webkit-scrollbar{height:8px}
.scroll-row::-webkit-scrollbar-thumb{background:rgba(124,77,255,.22);border-radius:999px}
@media (min-width:1200px){.scroll-row{grid-auto-columns:minmax(340px,1fr)}}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:var(--surface-dark);border-radius:var(--radius-l);padding:34px 38px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  position:relative;overflow:hidden;
}
.cta-bar::before{
  content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,217,197,.32),transparent 68%);
}
.cta-bar h2{color:#fff;font-size:clamp(20px,2.2vw,26px);margin-bottom:8px}
.cta-bar p{color:rgba(255,255,255,.72);font-size:15px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2}
.cta-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.35);background:rgba(255,255,255,.06)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff}
@media (max-width:575.98px){.cta-bar{padding:26px 22px}.cta-actions{width:100%}.cta-actions .btn{width:100%}}

/* ---------- FAQ ---------- */
.accordion-item{border:1px solid var(--border);border-radius:var(--radius-m) !important;margin-bottom:14px;overflow:hidden;background:#fff;box-shadow:var(--shadow-s)}
.accordion-button{
  font-size:17px;font-weight:700;color:var(--ink);background:#fff;padding:20px 24px;
  box-shadow:none !important;gap:14px;
}
.accordion-button:not(.collapsed){background:rgba(124,77,255,.07);color:#5b2fe0}
.accordion-button::after{
  background-image:none;content:"\2b";font-family:"Font Awesome 6 Free";font-weight:900;
  width:26px;height:26px;border-radius:50%;background:rgba(124,77,255,.12);color:var(--brand-primary);
  display:flex;align-items:center;justify-content:center;font-size:12px;margin-left:auto;transition:transform .2s ease;
}
.accordion-button:not(.collapsed)::after{content:"\f068";transform:rotate(180deg);background:rgba(22,217,197,.2);color:#0e8f83}
.accordion-body{background:var(--surface-2);color:#4a4359;font-size:15.5px;padding:18px 24px 22px;border-top:1px solid var(--border)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--surface-dark);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.site-footer h3{color:#fff;font-size:16px;margin-bottom:18px;letter-spacing:.02em}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand strong{color:#fff;font-size:17px}
.site-footer p{font-size:14.5px;line-height:1.8}
.footer-links{display:grid;gap:11px}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.5px}
.footer-links a:hover{color:var(--brand-secondary)}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-tags span{font-size:12.5px;padding:4px 12px;border-radius:999px;background:rgba(255,255,255,.08);color:rgba(255,255,255,.8)}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;font-size:13.5px;color:rgba(255,255,255,.55);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}
@media (max-width:575.98px){.site-footer{padding-top:48px}}

.back-top{
  position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:14px;
  background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 28px rgba(124,77,255,.35);z-index:1050;opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;
}
.back-top.show{opacity:1;pointer-events:auto}
.back-top:hover{color:#fff;transform:translateY(-3px)}

/* roulang page: article */
:root{
  --brand-primary:#7C4DFF;
  --brand-primary-deep:#5A2FE0;
  --brand-secondary:#16D9C5;
  --brand-accent:#FFB020;
  --ink:#171126;
  --surface:#FFFFFF;
  --surface-2:#F6F2FF;
  --surface-3:#EFE9FF;
  --surface-dark:#211735;
  --text:#1E1830;
  --muted:#6F6880;
  --border:rgba(124,77,255,.14);
  --border-strong:rgba(124,77,255,.32);
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow-s:0 4px 14px rgba(35,20,70,.06);
  --shadow-m:0 8px 24px rgba(35,20,70,.08);
  --shadow-l:0 16px 40px rgba(124,77,255,.18);
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:64px; --sp-8:88px;
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--surface);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-primary-deep);}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(22,217,197,.45);outline-offset:2px;border-radius:6px;}

.container{max-width:1240px;padding-left:20px;padding-right:20px;}
.section{padding:var(--sp-8) 0;}
.section-tight{padding:var(--sp-7) 0;}
.section-soft{background:var(--surface-2);}
.section-head{margin-bottom:var(--sp-6);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-primary);background:rgba(124,77,255,.09);
  border:1px solid var(--border);border-radius:999px;
  padding:6px 14px;margin-bottom:16px;
}
.section-head h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:12px;}
.section-head p{color:var(--muted);max-width:760px;margin:0;font-size:16px;}

/* ---------- buttons ---------- */
.btn{
  border-radius:999px;font-weight:700;font-size:15px;
  padding:12px 24px;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;line-height:1.2;
}
.btn:active{transform:scale(.98);}
.btn-brand{
  background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));
  color:#fff;box-shadow:0 6px 18px rgba(124,77,255,.28);
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(124,77,255,.35);}
.btn-outline-brand{
  background:transparent;color:var(--brand-primary);border-color:var(--border-strong);
}
.btn-outline-brand:hover{color:var(--brand-primary-deep);border-color:var(--brand-primary);background:rgba(124,77,255,.06);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:transparent;padding:10px 16px;}
.btn-ghost:hover{color:var(--brand-primary);background:rgba(124,77,255,.07);}
.btn-accent{background:var(--brand-accent);color:#3A2600;}
.btn-accent:hover{color:#3A2600;transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,176,32,.32);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.disabled{opacity:.5;pointer-events:none;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  height:var(--header-h);display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));
  color:#fff;font-size:18px;box-shadow:0 6px 16px rgba(124,77,255,.3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:16px;color:var(--ink);font-weight:800;}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.04em;}
.brand:hover .brand-text strong{color:var(--brand-primary);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
.main-nav a{
  position:relative;color:var(--text);font-size:15px;font-weight:600;
  padding:10px 14px;border-radius:10px;white-space:nowrap;
}
.main-nav a:hover{color:var(--brand-primary);background:rgba(124,77,255,.07);}
.main-nav a.active{color:var(--brand-primary);}
.main-nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--brand-primary),var(--brand-secondary));
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  position:relative;display:flex;align-items:center;
}
.nav-search i{position:absolute;left:14px;color:var(--muted);font-size:14px;pointer-events:none;}
.nav-search input{
  height:46px;width:236px;border-radius:12px;border:1px solid var(--border);
  background:var(--surface-2);padding:0 16px 0 38px;font-size:14px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search input::placeholder{color:#9A93AA;}
.nav-search input:focus{
  outline:none;background:#fff;border-color:var(--brand-primary);
  box-shadow:0 0 0 4px rgba(22,217,197,.22);
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:var(--surface-2);color:var(--ink);font-size:17px;
}
.mobile-nav{display:none;border-top:1px solid var(--border);padding:14px 0 20px;}
.mobile-nav a{
  display:block;padding:12px 14px;border-radius:12px;color:var(--text);font-weight:600;
}
.mobile-nav a.active,.mobile-nav a:hover{background:rgba(124,77,255,.08);color:var(--brand-primary);}
.mobile-nav .mobile-search{margin-top:10px;}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:20px 0 0;}
.breadcrumb{
  margin:0;background:transparent;padding:0;font-size:13.5px;color:var(--muted);
}
.breadcrumb-item+.breadcrumb-item::before{content:"/";color:#BDB6CC;}
.breadcrumb a{color:var(--muted);font-weight:600;}
.breadcrumb a:hover{color:var(--brand-primary);}
.breadcrumb .active{color:var(--ink);font-weight:600;}
.breadcrumb-item+.breadcrumb-item{padding-left:.6rem;}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;padding:32px 0 44px;
  background:
    radial-gradient(900px 320px at 88% -10%,rgba(22,217,197,.16),transparent 65%),
    radial-gradient(760px 300px at 6% 0%,rgba(124,77,255,.14),transparent 62%),
    var(--surface);
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(124,77,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(124,77,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 78%);
}
.article-hero .container{position:relative;z-index:2;}
.article-cat{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
  background:rgba(124,77,255,.1);color:var(--brand-primary);border:1px solid var(--border);
}
.article-hero h1{
  font-size:clamp(28px,3.4vw,44px);line-height:1.24;max-width:960px;margin-bottom:18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  color:var(--muted);font-size:14px;margin-bottom:22px;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand-primary);font-size:13px;}
.article-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- article body ---------- */
.article-layout{padding:0 0 var(--sp-7);}
.article-main{max-width:820px;}
.article-body{
  font-size:17px;line-height:1.9;color:var(--text);
}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:clamp(21px,2.2vw,27px);margin:2em 0 .9em;padding-left:16px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand-primary),var(--brand-secondary));
}
.article-body h3{font-size:20px;margin:1.6em 0 .7em;padding-left:0;color:var(--ink);}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.3em;}
.article-body li{margin-bottom:.55em;}
.article-body img{border-radius:var(--radius-m);margin:1.6em 0;box-shadow:var(--shadow-m);}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;border-radius:var(--radius-m);
  background:var(--surface-2);border-left:4px solid var(--brand-primary);color:#453B60;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{font-weight:600;border-bottom:1px solid rgba(124,77,255,.35);}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--border);padding:12px 14px;text-align:left;}
.article-body th{background:var(--surface-2);font-weight:700;color:var(--ink);}
.article-body code{
  background:var(--surface-3);padding:2px 7px;border-radius:6px;font-size:.92em;color:var(--brand-primary-deep);
}
.article-end{
  margin-top:var(--sp-6);padding-top:var(--sp-4);border-top:1px dashed var(--border);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
}
.article-end .end-note{color:var(--muted);font-size:14px;margin:0;}
.article-end .end-actions{display:flex;gap:10px;flex-wrap:wrap;}

.empty-block{
  border:1px dashed var(--border-strong);border-radius:var(--radius-l);
  background:var(--surface-2);padding:48px 32px;text-align:center;
}
.empty-block i{font-size:34px;color:var(--brand-primary);margin-bottom:14px;display:block;}
.empty-block h2{font-size:22px;margin-bottom:10px;}
.empty-block p{color:var(--muted);margin-bottom:20px;}

/* ---------- asides ---------- */
.article-aside{position:sticky;top:calc(var(--header-h) + 24px);}
.aside-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-m);
  padding:22px;box-shadow:var(--shadow-m);margin-bottom:20px;
}
.aside-card h3{font-size:17px;margin-bottom:14px;}
.aside-steps{list-style:none;padding:0;margin:0;counter-reset:step;}
.aside-steps li{
  position:relative;padding-left:38px;margin-bottom:14px;font-size:14.5px;color:var(--muted);
}
.aside-steps li:last-child{margin-bottom:0;}
.aside-steps li::before{
  counter-increment:step;content:counter(step);
  position:absolute;left:0;top:1px;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:13px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));
}
.aside-links{display:flex;flex-direction:column;gap:10px;}
.aside-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;border-radius:var(--radius-s);background:var(--surface-2);
  color:var(--ink);font-size:14.5px;font-weight:600;border:1px solid transparent;
}
.aside-links a:hover{border-color:var(--brand-primary);color:var(--brand-primary);background:#fff;}
.aside-links a i{color:var(--brand-secondary);font-size:12px;}
.aside-tip{
  border-radius:var(--radius-m);padding:20px;color:#EFEAFF;
  background:linear-gradient(150deg,var(--surface-dark),#33245A);
}
.aside-tip h3{color:#fff;font-size:17px;margin-bottom:10px;}
.aside-tip p{color:rgba(239,234,255,.78);font-size:14.5px;margin-bottom:16px;}
.aside-tip .btn-outline-brand{color:#fff;border-color:rgba(255,255,255,.35);}
.aside-tip .btn-outline-brand:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}

/* ---------- related cards ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  display:flex;gap:16px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-m);padding:16px;box-shadow:var(--shadow-m);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-l);border-color:var(--brand-primary);}
.rel-thumb{
  flex:0 0 96px;width:96px;height:96px;border-radius:var(--radius-s);overflow:hidden;
  background:linear-gradient(135deg,rgba(124,77,255,.18),rgba(22,217,197,.18));
  display:grid;place-items:center;
}
.rel-thumb img{width:100%;height:100%;object-fit:cover;}
.rel-body{min-width:0;}
.rel-body .tag{
  display:inline-block;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;
  background:rgba(22,217,197,.14);color:#0C8B7E;margin-bottom:8px;
}
.rel-body h3{font-size:16.5px;line-height:1.45;margin-bottom:6px;}
.rel-body h3 a{color:var(--ink);}
.rel-card:hover h3 a{color:var(--brand-primary);}
.rel-body p{font-size:13.5px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- prev / next ---------- */
.pager-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.pager-item{
  display:flex;align-items:center;gap:14px;padding:18px 20px;border-radius:var(--radius-m);
  background:var(--surface-2);border:1px solid var(--border);color:var(--ink);font-weight:600;
}
.pager-item:hover{border-color:var(--brand-primary);background:#fff;color:var(--brand-primary);transform:translateY(-2px);}
.pager-item i{color:var(--brand-secondary);}
.pager-item span{font-size:12.5px;color:var(--muted);display:block;font-weight:500;}

/* ---------- CTA band ---------- */
.cta-band{
  border-radius:var(--radius-l);padding:44px;color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(140deg,var(--surface-dark) 0%,#3A2568 58%,#5A2FE0 100%);
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,217,197,.45),transparent 68%);
}
.cta-band::after{
  content:"";position:absolute;left:-40px;bottom:-80px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,176,32,.28),transparent 70%);
}
.cta-band .cta-inner{position:relative;z-index:2;display:flex;gap:32px;align-items:center;justify-content:space-between;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.78);margin:0;max-width:620px;}
.cta-band .cta-buttons{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-outline-brand{color:#fff;border-color:rgba(255,255,255,.4);}
.cta-band .btn-outline-brand:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:960px;margin:0 auto;}
.accordion-item{
  border:1px solid var(--border)!important;border-radius:var(--radius-m)!important;
  margin-bottom:14px;overflow:hidden;background:var(--surface);box-shadow:var(--shadow-s);
}
.accordion-button{
  font-weight:700;font-size:16.5px;color:var(--ink);background:var(--surface);
  padding:20px 22px;box-shadow:none!important;
}
.accordion-button:not(.collapsed){color:var(--brand-primary);background:var(--surface-2);}
.accordion-button::after{
  background-image:none;content:"\2b";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:15px;color:var(--brand-primary);display:grid;place-items:center;
  width:30px;height:30px;border-radius:50%;background:rgba(124,77,255,.1);
  transform:none;transition:transform .2s ease;
}
.accordion-button:not(.collapsed)::after{content:"\f068";transform:rotate(0deg);background:rgba(124,77,255,.16);}
.accordion-body{
  padding:6px 22px 22px;color:var(--muted);font-size:15.5px;line-height:1.85;background:var(--surface-2);
}

/* ---------- share strip ---------- */
.share-strip{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  border:1px solid var(--border);border-radius:var(--radius-m);background:var(--surface-2);
  padding:20px 24px;
}
.share-strip strong{color:var(--ink);font-size:16px;display:block;margin-bottom:4px;}
.share-strip span{color:var(--muted);font-size:14px;}
.share-buttons{display:flex;gap:10px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--surface-dark);color:rgba(239,234,255,.75);
  padding:var(--sp-7) 0 0;margin-top:var(--sp-8);
}
.site-footer h3{color:#fff;font-size:16px;margin-bottom:18px;}
.site-footer a{color:rgba(239,234,255,.75);font-size:14.5px;}
.site-footer a:hover{color:#fff;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:42px;height:42px;}
.footer-brand strong{color:#fff;font-size:17px;line-height:1.3;}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(239,234,255,.66);}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.footer-tags span{
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.08);color:rgba(239,234,255,.85);border:1px solid rgba(255,255,255,.1);
}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-bottom{
  margin-top:var(--sp-6);border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(239,234,255,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .nav-search input{width:180px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991.98px){
  :root{--header-h:60px;}
  .main-nav,.nav-search{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .header-inner{gap:12px;justify-content:space-between;}
  .brand-mark{width:38px;height:38px;}
  .brand-text strong{font-size:15px;}
  .section{padding:var(--sp-7) 0;}
  .article-aside{position:static;margin-top:var(--sp-6);}
  .cta-band{padding:32px;}
}
@media (max-width:767.98px){
  .related-grid{grid-template-columns:1fr;}
  .pager-row{grid-template-columns:1fr;}
  .article-hero{padding:22px 0 34px;}
  .article-body{font-size:16.5px;}
  .rel-card{flex-direction:column;}
  .rel-thumb{width:100%;flex:none;height:170px;}
  .cta-band .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:var(--sp-6) 0;}
  .article-actions .btn{width:100%;}
  .share-strip{flex-direction:column;align-items:flex-start;}
  .share-buttons{width:100%;}
  .share-buttons .btn{flex:1 1 calc(50% - 5px);}
  .cta-band{padding:26px;}
  .empty-block{padding:34px 20px;}
}

/* roulang page: category1 */
:root{
  --brand-primary:#7C4DFF;
  --brand-secondary:#16D9C5;
  --brand-accent:#FFB020;
  --ink:#171126;
  --surface:#FFFFFF;
  --surface-2:#F6F2FF;
  --surface-dark:#211735;
  --text:#1E1830;
  --muted:#6F6880;
  --border:rgba(124,77,255,.14);
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow-s:0 8px 24px rgba(35,20,70,.08);
  --shadow-h:0 16px 40px rgba(124,77,255,.18);
  --space-1:8px;
  --space-2:12px;
  --space-3:16px;
  --space-4:24px;
  --space-5:32px;
  --space-6:48px;
  --space-7:64px;
  --space-8:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:#FCFBFF;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.22;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(22,217,197,.45);outline-offset:2px;}
.container{max-width:1240px;padding-left:20px;padding-right:20px;}

/* ============ 通用按钮 ============ */
.btn-brand,.btn-outline-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-brand{background:linear-gradient(135deg,var(--brand-primary) 0%,var(--brand-secondary) 100%);color:#fff;box-shadow:0 8px 20px rgba(124,77,255,.28);}
.btn-brand:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(124,77,255,.35);color:#fff;}
.btn-brand:active{transform:scale(.98);}
.btn-outline-brand{background:transparent;border-color:rgba(124,77,255,.4);color:var(--brand-primary);}
.btn-outline-brand:hover{background:rgba(124,77,255,.08);border-color:var(--brand-primary);transform:translateY(-2px);color:var(--brand-primary);}
.btn-outline-brand:active{transform:scale(.98);}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text);}
.btn-ghost:hover{background:var(--surface-2);border-color:rgba(124,77,255,.3);color:var(--brand-primary);transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.98);}
.btn-sm-hero{height:42px;padding:0 18px;font-size:14.5px;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;gap:22px;height:72px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));
  color:#fff;display:grid;place-items:center;font-size:17px;
  box-shadow:0 8px 18px rgba(124,77,255,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-text strong{font-size:15.5px;font-weight:800;color:var(--ink);letter-spacing:.01em;}
.brand-text span{font-size:13px;font-weight:700;color:var(--brand-primary);letter-spacing:.04em;}
.main-nav{display:flex;align-items:center;gap:2px;}
.main-nav a{
  padding:8px 13px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--muted);
}
.main-nav a:hover{color:var(--brand-primary);background:var(--surface-2);}
.main-nav a.active{color:var(--brand-primary);background:rgba(124,77,255,.1);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.search-box{
  position:relative;display:flex;align-items:center;
  height:46px;border:1px solid var(--border);border-radius:12px;background:var(--surface-2);
  padding:0 14px;gap:9px;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.search-box i{color:var(--muted);font-size:14px;}
.search-box input{
  border:0;background:transparent;outline:none;font-size:14.5px;color:var(--text);
  width:172px;height:100%;
}
.search-box input::placeholder{color:#9C96AC;}
.search-box:focus-within{border-color:var(--brand-primary);background:#fff;box-shadow:0 0 0 3px rgba(22,217,197,.35);}
.nav-toggle{
  width:46px;height:46px;border-radius:12px;border:1px solid var(--border);background:#fff;
  color:var(--brand-primary);font-size:17px;display:grid;place-items:center;cursor:pointer;
}
.nav-toggle:hover{background:var(--surface-2);}
.mobile-nav{padding:12px 0 20px;display:flex;flex-direction:column;gap:6px;border-top:1px solid var(--border);margin-top:8px;}
.mobile-nav a{padding:11px 14px;border-radius:12px;font-size:15px;font-weight:600;color:var(--muted);}
.mobile-nav a:hover,.mobile-nav a.active{background:var(--surface-2);color:var(--brand-primary);}
.mobile-nav .search-box{margin-top:8px;}

/* ============ Hero ============ */
.page-hero{position:relative;background:var(--surface-dark);color:#fff;padding:26px 0 72px;overflow:hidden;}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.2;}
.hero-glow{
  position:absolute;width:620px;height:620px;right:-180px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,77,255,.55) 0%,rgba(33,23,53,0) 68%);
  pointer-events:none;
}
.hero-glow-2{
  position:absolute;width:420px;height:420px;left:-160px;bottom:-240px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,217,197,.32) 0%,rgba(33,23,53,0) 70%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumb{margin-bottom:22px;}
.breadcrumb{margin:0;font-size:13.5px;--bs-breadcrumb-divider-color:rgba(255,255,255,.35);}
.breadcrumb-item a{color:rgba(255,255,255,.68);}
.breadcrumb-item a:hover{color:var(--brand-secondary);}
.breadcrumb-item.active{color:rgba(255,255,255,.9);}
.breadcrumb-item+.breadcrumb-item::before{color:rgba(255,255,255,.38);}
.hero-tag{
  display:inline-flex;align-items:center;gap:7px;padding:6px 15px;border-radius:999px;
  background:rgba(124,77,255,.28);border:1px solid rgba(124,77,255,.5);
  color:#DCD1FF;font-size:13px;font-weight:700;letter-spacing:.06em;margin-bottom:18px;
}
.page-hero h1{color:#fff;font-size:clamp(28px,3.6vw,46px);font-weight:800;margin-bottom:18px;}
.page-hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--brand-secondary),var(--brand-accent));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.78);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.page-hero .btn-outline-brand{border-color:rgba(255,255,255,.32);color:#fff;}
.page-hero .btn-outline-brand:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);color:#fff;}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;}
.hero-stat strong{display:block;font-size:23px;font-weight:800;color:var(--brand-secondary);line-height:1.2;}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.62);}
.hero-media{position:relative;}
.hero-media img{
  width:100%;border-radius:var(--radius-l);border:1px solid rgba(255,255,255,.16);
  box-shadow:0 26px 60px rgba(10,4,30,.5);object-fit:cover;aspect-ratio:16/11;
}
.hero-float{
  position:absolute;left:-12px;bottom:-26px;
  background:#fff;color:var(--text);border-radius:var(--radius-m);
  padding:16px 18px;box-shadow:0 18px 40px rgba(12,5,34,.35);
  display:flex;align-items:center;gap:13px;max-width:290px;
}
.hero-float .hf-icon{
  width:44px;height:44px;border-radius:13px;flex-shrink:0;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(124,77,255,.14),rgba(22,217,197,.16));
  color:var(--brand-primary);font-size:18px;
}
.hero-float strong{display:block;font-size:14.5px;font-weight:800;color:var(--ink);}
.hero-float span{font-size:13px;color:var(--muted);line-height:1.5;display:block;}

/* ============ 目录条 ============ */
.quick-bar{
  background:#fff;border-bottom:1px solid var(--border);
  position:sticky;top:72px;z-index:1030;
  box-shadow:0 6px 18px rgba(35,20,70,.05);
}
.quick-list{
  display:flex;gap:8px;overflow-x:auto;padding:13px 0;scrollbar-width:none;
}
.quick-list::-webkit-scrollbar{display:none;}
.quick-list a{
  flex:0 0 auto;padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;
  color:var(--muted);border:1px solid transparent;background:var(--surface-2);
}
.quick-list a:hover{color:var(--brand-primary);border-color:rgba(124,77,255,.3);}
.quick-list a.active{background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));color:#fff;box-shadow:0 8px 18px rgba(124,77,255,.26);}

/* ============ 板块通用 ============ */
.section{padding:72px 0;}
.section-alt{background:var(--surface-2);}
.section-head{max-width:720px;margin-bottom:38px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:800;
  letter-spacing:.12em;color:var(--brand-primary);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand-secondary);}
.section-head h2{font-size:clamp(23px,2.5vw,34px);margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;line-height:1.8;}

/* ============ 准备清单卡片 ============ */
.prep-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.prep-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  padding:26px 24px;box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.prep-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:rgba(124,77,255,.4);}
.prep-icon{
  width:52px;height:52px;border-radius:15px;display:grid;place-items:center;
  font-size:20px;margin-bottom:18px;
}
.pi-a{background:rgba(124,77,255,.12);color:var(--brand-primary);}
.pi-b{background:rgba(22,217,197,.14);color:#0FA99A;}
.pi-c{background:rgba(255,176,32,.16);color:#C98400;}
.prep-card h3{font-size:19px;margin-bottom:10px;}
.prep-card p{color:var(--muted);font-size:15px;line-height:1.78;}
.prep-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.prep-card ul li{position:relative;padding-left:20px;font-size:14.5px;color:var(--text);}
.prep-card ul li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:3px;
  background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));
}
.notice-bar{
  margin-top:24px;display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--border);border-left:4px solid var(--brand-accent);
  border-radius:var(--radius-m);padding:20px 22px;box-shadow:var(--shadow-s);
}
.notice-bar i{color:var(--brand-accent);font-size:19px;margin-top:3px;}
.notice-bar p{font-size:15px;color:var(--muted);line-height:1.8;}
.notice-bar strong{color:var(--ink);}

/* ============ 精选条目（非对称） ============ */
.pick-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:22px;}
.pick-main,.pick-side-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  overflow:hidden;box-shadow:var(--shadow-s);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.pick-main:hover,.pick-side-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:rgba(124,77,255,.4);}
.pick-cover{position:relative;overflow:hidden;aspect-ratio:16/9;background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));}
.pick-main .pick-cover{aspect-ratio:16/9;}
.pick-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.pick-main:hover .pick-cover img,.pick-side-card:hover .pick-cover img{transform:scale(1.04);}
.pick-badge{
  position:absolute;left:14px;top:14px;padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:800;color:#fff;background:rgba(33,23,53,.72);
  backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.24);
}
.pick-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.pick-body h3{font-size:21px;margin-bottom:12px;line-height:1.35;}
.pick-main .pick-body h3{font-size:25px;}
.pick-body p{color:var(--muted);font-size:15px;line-height:1.8;margin-bottom:18px;}
.pick-meta{
  margin-top:auto;display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);padding-top:16px;border-top:1px solid var(--border);
}
.pick-meta .tag{
  padding:4px 11px;border-radius:999px;font-weight:700;font-size:12.5px;
  background:rgba(124,77,255,.1);color:var(--brand-primary);
}
.pick-meta .tag-green{background:rgba(22,217,197,.14);color:#0FA99A;}
.pick-meta .tag-amber{background:rgba(255,176,32,.18);color:#C98400;}
.pick-side{display:flex;flex-direction:column;gap:22px;}
.pick-side-card{flex-direction:row;}
.pick-side-card .pick-cover{width:41%;flex:0 0 41%;aspect-ratio:auto;min-height:100%;}
.pick-side-card .pick-body{padding:20px;}
.pick-side-card .pick-body h3{font-size:17.5px;margin-bottom:9px;}
.pick-side-card .pick-body p{font-size:14.5px;margin-bottom:12px;}

/* ============ 时间线 ============ */
.flow-timeline{position:relative;}
.flow-item{position:relative;padding:0 0 26px 82px;}
.flow-item::before{
  content:"";position:absolute;left:27px;top:62px;bottom:-6px;width:2px;
  background:linear-gradient(180deg,rgba(124,77,255,.35),rgba(22,217,197,.25));
}
.flow-item:last-child{padding-bottom:0;}
.flow-item:last-child::before{display:none;}
.flow-index{
  position:absolute;left:0;top:0;width:56px;height:56px;border-radius:18px;
  background:#fff;border:1px solid var(--border);display:grid;place-items:center;
  font-size:18px;font-weight:800;color:var(--brand-primary);box-shadow:var(--shadow-s);
}
.flow-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  padding:24px 26px;box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.flow-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:rgba(124,77,255,.38);}
.flow-card h3{font-size:19px;margin-bottom:10px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.flow-card h3 .flow-time{
  font-size:12.5px;font-weight:700;color:#0FA99A;background:rgba(22,217,197,.13);
  padding:4px 11px;border-radius:999px;
}
.flow-card p{color:var(--muted);font-size:15px;line-height:1.82;}
.flow-tips{margin-top:14px;display:flex;flex-wrap:wrap;gap:9px;}
.flow-tips span{
  font-size:13px;color:var(--brand-primary);background:var(--surface-2);
  border:1px solid var(--border);padding:5px 12px;border-radius:999px;font-weight:600;
}

/* ============ 卡点处理（对比块） ============ */
.issue-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.issue-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  padding:24px;box-shadow:var(--shadow-s);
}
.issue-card h3{font-size:17.5px;margin-bottom:14px;display:flex;align-items:center;gap:10px;}
.issue-card h3 i{font-size:16px;}
.issue-warn{color:#D4740E;}
.issue-ok{color:#0FA99A;}
.issue-row{
  display:grid;grid-template-columns:88px 1fr;gap:12px;padding:12px 0;
  border-top:1px dashed var(--border);
}
.issue-row:first-of-type{border-top:0;padding-top:0;}
.issue-row .k{font-size:13.5px;font-weight:700;color:var(--muted);}
.issue-row .v{font-size:14.5px;color:var(--text);line-height:1.75;}
.alert-box{
  margin-top:22px;display:flex;gap:14px;align-items:flex-start;
  background:linear-gradient(135deg,rgba(255,176,32,.12),rgba(124,77,255,.08));
  border:1px solid rgba(255,176,32,.32);border-radius:var(--radius-m);padding:20px 22px;
}
.alert-box i{color:#D4740E;font-size:19px;margin-top:3px;}
.alert-box p{font-size:14.5px;color:var(--text);line-height:1.8;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.accordion-item{
  border:1px solid var(--border);border-radius:var(--radius-m)!important;
  margin-bottom:13px;overflow:hidden;background:#fff;box-shadow:var(--shadow-s);
}
.accordion-button{
  font-size:16.5px;font-weight:700;color:var(--ink);background:#fff;
  padding:19px 22px;box-shadow:none;gap:14px;align-items:center;
}
.accordion-button:not(.collapsed){background:var(--surface-2);color:var(--brand-primary);}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(22,217,197,.45);border-color:transparent;z-index:3;}
.accordion-button::after{display:none;}
.faq-sign{
  margin-left:auto;flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  background:var(--surface-2);color:var(--brand-primary);display:grid;place-items:center;
  font-size:12px;transition:transform .22s ease,background-color .22s ease,color .22s ease;
}
.accordion-button:not(.collapsed) .faq-sign{background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));color:#fff;transform:rotate(180deg);}
.accordion-body{padding:4px 22px 22px;color:var(--muted);font-size:15px;line-height:1.85;background:var(--surface-2);}

/* ============ 相关分类 ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.rel-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  padding:26px 24px;box-shadow:var(--shadow-s);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:rgba(124,77,255,.42);}
.rel-icon{
  width:50px;height:50px;border-radius:15px;display:grid;place-items:center;
  font-size:19px;margin-bottom:16px;color:#fff;
}
.ri-1{background:linear-gradient(135deg,var(--brand-primary),#9B7BFF);}
.ri-2{background:linear-gradient(135deg,#16D9C5,#0FA99A);}
.ri-3{background:linear-gradient(135deg,#FFB020,#E08C00);}
.rel-card h3{font-size:19px;margin-bottom:10px;}
.rel-card p{color:var(--muted);font-size:14.5px;line-height:1.78;margin-bottom:18px;}
.rel-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:700;color:var(--brand-primary);
}
.rel-card:hover .rel-link{gap:12px;}

/* ============ 收藏分享条 ============ */
.action-strip{
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  background:linear-gradient(135deg,var(--surface-dark) 0%,#2E2050 100%);
  border-radius:var(--radius-l);padding:36px 38px;color:#fff;
  box-shadow:0 22px 50px rgba(23,17,38,.28);position:relative;overflow:hidden;
}
.action-strip::after{
  content:"";position:absolute;right:-90px;top:-110px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,217,197,.28),rgba(33,23,53,0) 70%);
}
.action-strip .as-text{position:relative;z-index:2;max-width:600px;}
.action-strip h2{color:#fff;font-size:clamp(21px,2.3vw,28px);margin-bottom:10px;}
.action-strip p{color:rgba(255,255,255,.74);font-size:15px;line-height:1.8;}
.action-buttons{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}
.action-strip .btn-ghost{border-color:rgba(255,255,255,.28);color:#fff;}
.action-strip .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.55);}
.action-strip .btn-outline-brand{border-color:rgba(22,217,197,.55);color:var(--brand-secondary);}
.action-strip .btn-outline-brand:hover{background:rgba(22,217,197,.14);color:#fff;border-color:var(--brand-secondary);}

/* ============ 页脚 ============ */
.site-footer{background:var(--surface-dark);color:rgba(255,255,255,.72);padding:66px 0 26px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-mark{width:42px;height:42px;font-size:17px;}
.footer-brand strong{color:#fff;font-size:16.5px;font-weight:800;}
.site-footer p{font-size:14.5px;line-height:1.82;color:rgba(255,255,255,.66);}
.footer-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px;}
.footer-tags span{
  font-size:12.5px;padding:5px 12px;border-radius:999px;font-weight:600;
  background:rgba(124,77,255,.24);border:1px solid rgba(124,77,255,.4);color:#D6CAFF;
}
.site-footer h3{font-size:15px;color:#fff;margin-bottom:18px;font-weight:800;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.66);}
.footer-links a:hover{color:var(--brand-secondary);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .search-box input{width:132px;}
  .main-nav a{padding:8px 11px;font-size:14px;}
}
@media (max-width:991.98px){
  .section{padding:52px 0;}
  .page-hero{padding:20px 0 58px;}
  .quick-bar{top:60px;}
  .header-inner{height:60px;}
  .brand-mark{width:38px;height:38px;font-size:15px;}
  .brand-text strong{font-size:14px;}
  .brand-text span{font-size:12px;}
  .hero-float{position:static;margin-top:16px;left:auto;bottom:auto;max-width:100%;}
  .pick-grid{grid-template-columns:1fr;}
  .pick-side{flex-direction:row;}
  .pick-side-card{flex-direction:column;}
  .pick-side-card .pick-cover{width:100%;flex:none;aspect-ratio:16/9;}
  .prep-grid{grid-template-columns:repeat(2,1fr);}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .action-strip{padding:30px 26px;border-radius:var(--radius-m);}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .section{padding:44px 0;}
  .section-head{margin-bottom:28px;}
  .hero-stats{gap:20px;}
  .hero-stat strong{font-size:20px;}
  .pick-side{flex-direction:column;}
  .issue-grid{grid-template-columns:1fr;}
  .prep-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .flow-item{padding-left:64px;}
  .flow-index{width:46px;height:46px;border-radius:14px;font-size:16px;}
  .flow-item::before{left:22px;top:52px;}
  .action-buttons{width:100%;}
  .action-buttons .btn-ghost,.action-buttons .btn-outline-brand{flex:1 1 46%;}
}
@media (max-width:575.98px){
  .page-hero h1{font-size:26px;}
  .hero-actions .btn-brand,.hero-actions .btn-outline-brand{flex:1 1 100%;}
  .hero-actions{flex-direction:column;}
  .action-buttons .btn-ghost,.action-buttons .btn-outline-brand{flex:1 1 100%;}
  .issue-row{grid-template-columns:1fr;gap:4px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --brand-primary:#7C4DFF;
  --brand-secondary:#16D9C5;
  --brand-accent:#FFB020;
  --ink:#171126;
  --surface:#FFFFFF;
  --surface-2:#F6F2FF;
  --surface-dark:#211735;
  --text:#1E1830;
  --muted:#6F6880;
  --border:rgba(124,77,255,.14);
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow-s:0 8px 24px rgba(35,20,70,.08);
  --shadow-l:0 16px 40px rgba(124,77,255,.18);
  --space-1:8px;--space-2:12px;--space-3:16px;--space-4:24px;--space-5:32px;--space-6:48px;--space-7:64px;--space-8:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;color:var(--text);background:var(--surface);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:#5B32E0}
button,input{font-family:inherit}
h1,h2,h3,h4{line-height:1.2;font-weight:800;color:var(--ink);margin:0}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
.container{max-width:1240px;padding-left:20px;padding-right:20px;margin:0 auto}
.section{padding:var(--space-8) 0}
.section-alt{background:var(--surface-2)}
.section-head{max-width:760px;margin-bottom:var(--space-5)}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand-primary);background:rgba(124,77,255,.08);border:1px solid var(--border);border-radius:999px;padding:6px 14px;margin-bottom:14px}
.section-head h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:12px}
.section-head p{color:var(--muted);font-size:16px;margin:0}
.text-muted-2{color:var(--muted)}
:focus-visible{outline:3px solid rgba(22,217,197,.45);outline-offset:2px;border-radius:6px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--border);
}
.nav-shell{display:flex;align-items:center;min-height:72px;gap:18px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;
  display:grid;place-items:center;color:#fff;font-size:18px;
  background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));
  box-shadow:0 8px 20px rgba(124,77,255,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.brand-text span{font-size:12px;color:var(--muted);letter-spacing:.12em}
.nav-channels{display:flex;align-items:center;gap:6px;margin:0 auto;padding:0;list-style:none}
.nav-channels a{
  display:block;padding:9px 14px;border-radius:999px;font-size:15px;font-weight:600;color:#3B3350;
  transition:background .2s ease,color .2s ease;
}
.nav-channels a:hover{background:var(--surface-2);color:var(--brand-primary)}
.nav-channels a.active{background:linear-gradient(135deg,rgba(124,77,255,.14),rgba(22,217,197,.16));color:var(--brand-primary)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-search{position:relative}
.nav-search input{
  width:172px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:var(--surface-2);padding:0 40px 0 16px;font-size:14px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,width .2s ease;
}
.nav-search input::placeholder{color:#9A93AA}
.nav-search input:focus{outline:none;border-color:var(--brand-primary);background:#fff;box-shadow:0 0 0 3px rgba(22,217,197,.28);width:200px}
.nav-search button{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:32px;height:32px;border:none;background:transparent;color:var(--muted);border-radius:8px;
}
.nav-search button:hover{color:var(--brand-primary);background:rgba(124,77,255,.08)}
.btn{border-radius:12px;font-weight:700;font-size:15px;padding:10px 18px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;border:1px solid transparent}
.btn-grad{background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));color:#fff;border:none;box-shadow:0 6px 16px rgba(124,77,255,.24)}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(124,77,255,.35)}
.btn-grad:active{transform:translateY(0) scale(.98)}
.btn-outline-brand{border:1px solid rgba(124,77,255,.5);color:var(--brand-primary);background:transparent}
.btn-outline-brand:hover{background:rgba(124,77,255,.08);color:var(--brand-primary);transform:translateY(-2px)}
.btn-ghost{border:1px solid var(--border);color:#3B3350;background:transparent}
.btn-ghost:hover{border-color:var(--brand-primary);color:var(--brand-primary);background:rgba(124,77,255,.06);transform:translateY(-2px)}
.btn-pill{border-radius:999px;padding:12px 24px}
.btn-search-toggle{display:none}
.navbar-toggler{border:1px solid var(--border);border-radius:12px;padding:8px 12px;color:var(--brand-primary);background:#fff}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(22,217,197,.3)}

/* ============ 面包屑 ============ */
.crumb-bar{padding:18px 0 0}
.breadcrumb{--bs-breadcrumb-divider:'/';margin:0;font-size:13px;color:var(--muted)}
.breadcrumb-item+.breadcrumb-item::before{color:#C9C3D6}
.breadcrumb a{color:var(--muted);font-weight:600}
.breadcrumb a:hover{color:var(--brand-primary)}
.breadcrumb .active{color:var(--brand-primary);font-weight:700}

/* ============ Hero ============ */
.page-hero{position:relative;padding:var(--space-7) 0 var(--space-8);overflow:hidden;background:linear-gradient(180deg,#FBF9FF 0%,#FFFFFF 100%)}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(124,77,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(124,77,255,.07) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(circle at 22% 20%,#000 0%,transparent 62%);
  -webkit-mask-image:radial-gradient(circle at 22% 20%,#000 0%,transparent 62%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:var(--space-7);align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-primary);background:#fff;border:1px solid var(--border);border-radius:999px;padding:7px 16px;box-shadow:var(--shadow-s);margin-bottom:20px}
.hero-badge i{color:var(--brand-secondary)}
.page-hero h1{font-size:clamp(30px,4vw,52px);margin-bottom:18px;letter-spacing:-.01em}
.page-hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--brand-primary),var(--brand-secondary));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;padding-top:22px;border-top:1px dashed var(--border)}
.hero-stat strong{display:block;font-size:24px;font-weight:800;color:var(--ink);line-height:1.2}
.hero-stat span{font-size:13px;color:var(--muted)}
.hero-visual{position:relative}
.hero-visual .hero-img{border-radius:var(--radius-l);overflow:hidden;box-shadow:0 24px 60px rgba(35,20,70,.16);border:1px solid var(--border)}
.hero-visual .hero-img img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-float{
  position:absolute;left:-18px;bottom:-26px;width:min(320px,88%);
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  padding:18px;box-shadow:var(--shadow-l);
}
.hero-float h3{font-size:15px;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.hero-float h3 i{color:var(--brand-accent)}
.hero-float ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.hero-float li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#413A55}
.hero-float li i{color:var(--brand-secondary);margin-top:4px}
.hero-sticker{
  position:absolute;right:-10px;top:-14px;
  background:var(--surface-dark);color:#fff;font-size:12px;font-weight:700;letter-spacing:.08em;
  padding:8px 14px;border-radius:999px;box-shadow:0 10px 24px rgba(33,23,53,.32);
}

/* ============ 目录（胶囊） ============ */
.quick-nav{position:sticky;top:72px;z-index:1020;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.quick-list{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none}
.quick-list::-webkit-scrollbar{display:none}
.quick-list a{
  flex:0 0 auto;padding:9px 18px;border-radius:999px;border:1px solid var(--border);
  font-size:14px;font-weight:600;color:#463E5C;background:#fff;white-space:nowrap;
  transition:all .2s ease;
}
.quick-list a:hover{border-color:var(--brand-primary);color:var(--brand-primary);transform:translateY(-2px)}
.quick-list a.active{background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(124,77,255,.28)}

/* ============ 卡片 ============ */
.card-z{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  box-shadow:var(--shadow-s);overflow:hidden;height:100%;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card-z:hover{transform:translateY(-4px);box-shadow:var(--shadow-l);border-color:var(--brand-primary)}
.card-z .thumb{position:relative;overflow:hidden;background:linear-gradient(135deg,rgba(124,77,255,.16),rgba(22,217,197,.16))}
.card-z .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.card-z:hover .thumb img{transform:scale(1.04)}
.card-z .body{padding:20px 22px 22px}
.card-z h3{font-size:19px;margin-bottom:10px}
.card-z:hover h3{color:var(--brand-primary)}
.card-z p{font-size:14.5px;color:var(--muted);margin-bottom:14px}
.badge-z{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;letter-spacing:.02em}
.badge-primary{background:rgba(124,77,255,.12);color:#6533F0}
.badge-cyan{background:rgba(22,217,197,.16);color:#0E9E90}
.badge-amber{background:rgba(255,176,32,.18);color:#B17300}
.badge-absolute{position:absolute;top:14px;left:14px;background:#fff;box-shadow:var(--shadow-s)}
.meta-row{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted);margin-top:6px}
.meta-row i{color:var(--brand-primary);margin-right:5px}
.card-feature .thumb img{aspect-ratio:16/10}
.card-feature h3{font-size:24px}
.card-feature p{font-size:15.5px}
.card-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:14px;color:var(--brand-primary)}
.card-link:hover{gap:12px}
.stack-2{display:grid;gap:20px;height:100%}

/* ============ 清单 / 警示 ============ */
.check-panel{background:#fff;border:1px solid var(--border);border-radius:var(--radius-l);padding:28px;box-shadow:var(--shadow-s);height:100%}
.check-panel h3{font-size:20px;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.check-panel h3 i{color:var(--brand-primary)}
.check-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:#38304C}
.check-list li i{color:var(--brand-secondary);margin-top:5px;flex:0 0 auto}
.alert-panel{background:var(--surface-dark);color:#EDE8FA;border-radius:var(--radius-l);padding:30px;height:100%;position:relative;overflow:hidden}
.alert-panel::after{
  content:"";position:absolute;right:-60px;bottom:-60px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,176,32,.28),transparent 70%);
}
.alert-panel h3{color:#fff;font-size:20px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.alert-panel h3 i{color:var(--brand-accent)}
.alert-panel ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;position:relative;z-index:1}
.alert-panel li{display:flex;gap:12px;font-size:15px;color:#D8D1EC;align-items:flex-start}
.alert-panel li i{color:var(--brand-accent);margin-top:5px;flex:0 0 auto}
.alert-note{margin-top:20px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);font-size:14px;color:#B9B0D6;position:relative;z-index:1}

/* ============ 对比表 ============ */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius-m);background:#fff;box-shadow:var(--shadow-s)}
table.compare{width:100%;min-width:720px;border-collapse:collapse;font-size:15px}
table.compare thead th{
  background:linear-gradient(135deg,rgba(124,77,255,.1),rgba(22,217,197,.12));
  color:var(--ink);font-weight:800;text-align:left;padding:16px 20px;font-size:14px;letter-spacing:.02em;
  border-bottom:1px solid var(--border);white-space:nowrap;
}
table.compare tbody td{padding:16px 20px;border-bottom:1px solid rgba(124,77,255,.09);color:#3E3654;vertical-align:top}
table.compare tbody tr:last-child td{border-bottom:none}
table.compare tbody tr:hover{background:#FAF8FF}
table.compare td:first-child{font-weight:700;color:var(--ink);white-space:nowrap}

/* ============ 时间线 ============ */
.timeline{position:relative;margin:0;padding:0;list-style:none}
.timeline li{position:relative;display:grid;grid-template-columns:60px 1fr;gap:22px;padding-bottom:30px}
.timeline li:last-child{padding-bottom:0}
.timeline li:not(:last-child)::before{
  content:"";position:absolute;left:29px;top:62px;bottom:6px;width:2px;
  background:linear-gradient(180deg,rgba(124,77,255,.55),rgba(22,217,197,.25));
}
.tl-num{
  width:60px;height:60px;border-radius:18px;display:grid;place-items:center;font-weight:800;font-size:20px;color:#fff;
  background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));
  box-shadow:0 10px 24px rgba(124,77,255,.28);
}
.tl-body{background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);padding:20px 24px;box-shadow:var(--shadow-s);transition:transform .22s ease,box-shadow .22s ease}
.tl-body:hover{transform:translateY(-3px);box-shadow:var(--shadow-l)}
.tl-body h3{font-size:19px;margin-bottom:8px}
.tl-body p{font-size:14.8px;color:var(--muted);margin:0}
.tl-tip{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13px;font-weight:700;color:#0E9E90;background:rgba(22,217,197,.14);border-radius:999px;padding:5px 12px}

/* ============ FAQ ============ */
.faq-accordion .accordion-item{
  border:1px solid var(--border);border-radius:var(--radius-m);background:#fff;margin-bottom:14px;overflow:hidden;
  box-shadow:var(--shadow-s);
}
.faq-accordion .accordion-button{
  font-size:17px;font-weight:700;color:var(--ink);background:#fff;padding:20px 22px;box-shadow:none;gap:14px;
}
.faq-accordion .accordion-button:not(.collapsed){background:var(--surface-2);color:var(--brand-primary)}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 3px rgba(22,217,197,.3)}
.faq-accordion .accordion-button::after{
  content:"+";flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;font-size:18px;font-weight:700;background:var(--surface-2);color:var(--brand-primary);
  background-image:none;margin-left:auto;transition:transform .22s ease,background .22s ease,color .22s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(45deg);background:var(--brand-primary);color:#fff}
.faq-accordion .accordion-body{padding:4px 22px 22px;color:var(--muted);font-size:15px;background:var(--surface-2)}

/* ============ 相关分类 ============ */
.related-card{
  display:flex;flex-direction:column;gap:12px;height:100%;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);padding:24px;
  box-shadow:var(--shadow-s);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-l);border-color:var(--brand-primary)}
.related-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:18px;color:#fff}
.ri-1{background:linear-gradient(135deg,var(--brand-primary),#9C7BFF)}
.ri-2{background:linear-gradient(135deg,var(--brand-secondary),#0FB3A3)}
.ri-3{background:linear-gradient(135deg,var(--brand-accent),#FF8A3D)}
.related-card h3{font-size:18px}
.related-card p{font-size:14.5px;color:var(--muted);margin:0}

/* ============ CTA 条 ============ */
.cta-bar{
  background:linear-gradient(135deg,var(--surface-dark) 0%,#2E2050 100%);
  border-radius:var(--radius-l);padding:34px;color:#EDE8FA;position:relative;overflow:hidden;
}
.cta-bar::before{
  content:"";position:absolute;right:-40px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,77,255,.5),transparent 68%);
}
.cta-bar h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:10px;position:relative;z-index:1}
.cta-bar p{color:#C7BEE2;font-size:15px;max-width:640px;position:relative;z-index:1;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}
.btn-on-dark{border:1px solid rgba(255,255,255,.28);color:#fff;background:rgba(255,255,255,.06)}
.btn-on-dark:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px)}

/* ============ 页脚 ============ */
.site-footer{background:var(--surface-dark);color:#C6BEDF;padding:var(--space-8) 0 26px;margin-top:0}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand strong{color:#fff;font-size:17px}
.site-footer h3{color:#fff;font-size:16px;margin-bottom:16px}
.site-footer p{font-size:14.5px;color:#B4ABD1;max-width:420px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:#C6BEDF;font-size:14.5px}
.footer-links a:hover{color:var(--brand-secondary)}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-tags span{font-size:12px;padding:5px 12px;border-radius:999px;background:rgba(124,77,255,.18);color:#CFC5EE;border:1px solid rgba(124,77,255,.28)}
.footer-bottom{
  margin-top:var(--space-6);padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#9A90BC;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-search input{width:150px}
  .nav-search input:focus{width:170px}
}
@media (max-width:991.98px){
  .nav-shell{min-height:60px}
  .brand-text strong{font-size:15px}
  .nav-actions{flex-wrap:wrap;margin-top:12px;width:100%}
  .nav-search{flex:1 1 100%}
  .nav-search input{width:100%}
  .nav-search input:focus{width:100%}
  .nav-channels{flex-direction:column;align-items:stretch;gap:4px;margin:14px 0 4px;width:100%}
  .nav-channels a{padding:11px 14px;border-radius:12px}
  .navbar-collapse{background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);padding:14px;margin-top:12px;box-shadow:var(--shadow-s)}
  .hero-grid{grid-template-columns:1fr;gap:var(--space-6)}
  .hero-visual{order:-1}
  .hero-float{position:static;width:100%;margin-top:16px;left:auto;bottom:auto}
  .hero-sticker{right:10px;top:10px}
  .quick-nav{top:60px}
  .section{padding:56px 0}
}
@media (max-width:767.98px){
  .page-hero{padding:40px 0 56px}
  .hero-stats{gap:20px}
  .hero-stat strong{font-size:20px}
  .section{padding:44px 0}
  .check-panel,.alert-panel,.cta-bar{padding:22px}
  .timeline li{grid-template-columns:48px 1fr;gap:16px}
  .tl-num{width:48px;height:48px;font-size:17px;border-radius:14px}
  .timeline li:not(:last-child)::before{left:23px;top:52px}
  .card-feature h3{font-size:21px}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .page-hero h1{font-size:28px}
  .hero-actions .btn{width:100%;justify-content:center}
  .cta-actions .btn{width:100%;justify-content:center}
  .card-z .body{padding:18px}
  .faq-accordion .accordion-button{font-size:15.5px;padding:16px 16px}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category3 */
:root{
  --brand-primary:#7C4DFF;
  --brand-secondary:#16D9C5;
  --brand-accent:#FFB020;
  --ink:#171126;
  --surface:#FFFFFF;
  --surface-2:#F6F2FF;
  --surface-dark:#211735;
  --text:#1E1830;
  --muted:#6F6880;
  --border:rgba(124,77,255,.14);
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow-s:0 8px 24px rgba(35,20,70,.08);
  --shadow-h:0 16px 40px rgba(124,77,255,.18);
  --space-1:8px;
  --space-2:12px;
  --space-3:16px;
  --space-4:24px;
  --space-5:32px;
  --space-6:48px;
  --space-7:64px;
  --space-8:88px;
  --font-cn:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:#5A2FE0;}
button,input{font-family:inherit;}
h1,h2,h3,h4{font-weight:800;line-height:1.22;color:var(--ink);margin:0;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}

.container{max-width:1240px;}

/* ---------- 通用区块 ---------- */
.section{padding:var(--space-8) 0;}
.section--tight{padding:var(--space-7) 0;}
.section--soft{background:var(--surface-2);}
.section-head{margin-bottom:var(--space-6);}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-primary);
  background:rgba(124,77,255,.08);
  border:1px solid var(--border);
  border-radius:999px;padding:6px 14px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:12px;}
.section-head p{color:var(--muted);max-width:760px;margin:0;font-size:15.5px;}
.section-head--row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--border);
}
.nav-shell{
  display:flex;align-items:center;gap:var(--space-4);
  height:72px;
}
.brand{
  display:flex;align-items:center;gap:10px;flex-shrink:0;
  color:var(--ink);font-weight:800;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;color:#fff;font-size:17px;
  background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));
  box-shadow:0 8px 20px rgba(124,77,255,.32);
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:16px;letter-spacing:.01em;}
.brand-text span{font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.02em;}

.nav-channels{
  display:flex;align-items:center;gap:4px;
  margin-left:var(--space-2);flex:1;
}
.nav-channels a{
  position:relative;
  padding:8px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:#4A4259;
  white-space:nowrap;transition:all .2s ease;
}
.nav-channels a:hover{background:var(--surface-2);color:var(--brand-primary);}
.nav-channels a.active{color:var(--brand-primary);background:rgba(124,77,255,.10);}
.nav-channels a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:2px;width:20px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--brand-primary),var(--brand-secondary));
}
.nav-tools{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:44px;padding:0 14px;
  border:1px solid var(--border);border-radius:12px;
  background:var(--surface-2);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search i{color:var(--muted);font-size:14px;}
.nav-search input{
  border:0;outline:0;background:transparent;
  font-size:14.5px;width:140px;color:var(--text);
}
.nav-search input::placeholder{color:#9C95AB;}
.nav-search:focus-within{
  background:#fff;border-color:var(--brand-primary);
  box-shadow:0 0 0 3px rgba(22,217,197,.28);
}
.btn-ghost-nav{
  height:44px;padding:0 18px;border-radius:12px;
  border:1px solid var(--border);background:#fff;
  font-size:14.5px;font-weight:700;color:var(--ink);
  display:inline-flex;align-items:center;gap:8px;
  transition:all .2s ease;
}
.btn-ghost-nav:hover{border-color:var(--brand-primary);color:var(--brand-primary);transform:translateY(-2px);}
.btn-nav-cta{
  height:44px;padding:0 20px;border-radius:12px;border:0;
  font-size:14.5px;font-weight:700;color:#fff;
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));
  box-shadow:0 8px 20px rgba(124,77,255,.30);
  transition:all .2s ease;
}
.btn-nav-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(124,77,255,.4);}
.btn-nav-cta:active{transform:scale(.98);}
.menu-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:#fff;color:var(--ink);display:none;place-items:center;font-size:17px;
}
.menu-toggle:hover{border-color:var(--brand-primary);color:var(--brand-primary);}

.offcanvas{background:#fff;}
.offcanvas-header{border-bottom:1px solid var(--border);}
.offcanvas-body .m-nav a{
  display:block;padding:14px 4px;font-size:16px;font-weight:700;color:var(--ink);
  border-bottom:1px solid var(--border);
}
.offcanvas-body .m-nav a.active{color:var(--brand-primary);}
.offcanvas-body .m-cta{margin-top:18px;display:grid;gap:10px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:18px 0 0;}
.breadcrumb{
  margin:0;background:transparent;padding:0;font-size:13.5px;
}
.breadcrumb-item{color:var(--muted);}
.breadcrumb-item a{color:var(--muted);font-weight:600;}
.breadcrumb-item a:hover{color:var(--brand-primary);}
.breadcrumb-item.active{color:var(--brand-primary);font-weight:700;}
.breadcrumb-item + .breadcrumb-item::before{content:"/";color:#C4BDD6;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 88% 8%,rgba(22,217,197,.20),transparent 60%),
    linear-gradient(160deg,#1B1130 0%,#211735 48%,#2C1A4D 100%);
  color:#fff;
  padding:64px 0 72px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(circle at 30% 40%,#000 10%,transparent 78%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:var(--space-7);align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;font-size:13px;font-weight:700;
  color:#C9BEFF;background:rgba(124,77,255,.22);border:1px solid rgba(124,77,255,.4);
  margin-bottom:20px;
}
.hero-tag i{color:var(--brand-secondary);}
.hero h1{
  color:#fff;font-size:clamp(30px,4vw,50px);
  letter-spacing:-.01em;margin-bottom:18px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--brand-secondary),var(--brand-accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{color:#C6BFD8;font-size:16.5px;max-width:620px;margin-bottom:26px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px;}
.btn-main{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 28px;border-radius:999px;border:0;
  font-size:15.5px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));
  box-shadow:0 10px 26px rgba(124,77,255,.38);
  transition:all .22s ease;
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 32px rgba(124,77,255,.5);}
.btn-main:active{transform:scale(.98);}
.btn-line{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 26px;border-radius:999px;
  border:1px solid rgba(255,255,255,.32);background:transparent;
  font-size:15.5px;font-weight:700;color:#fff;
  transition:all .22s ease;
}
.btn-line:hover{color:#fff;background:rgba(255,255,255,.10);border-color:var(--brand-secondary);transform:translateY(-2px);}
.hero-facts{display:flex;gap:30px;flex-wrap:wrap;}
.hero-facts div{min-width:110px;}
.hero-facts b{display:block;font-size:24px;font-weight:800;color:#fff;line-height:1.2;}
.hero-facts span{font-size:13px;color:#A99FC4;}

.hero-media{position:relative;}
.hero-media img{
  width:100%;border-radius:var(--radius-l);
  box-shadow:0 24px 60px rgba(9,4,24,.55);
  border:1px solid rgba(255,255,255,.10);
}
.hero-float{
  position:absolute;left:-18px;bottom:-22px;
  background:#fff;color:var(--ink);
  border-radius:var(--radius-m);padding:16px 18px;
  box-shadow:0 18px 40px rgba(12,5,30,.35);
  border:1px solid var(--border);
  width:min(280px,84%);
}
.hero-float h3{font-size:15px;margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.hero-float h3 i{color:var(--brand-primary);}
.hero-float ol{margin:0;padding-left:0;counter-reset:hs;}
.hero-float ol li{
  counter-increment:hs;position:relative;padding-left:26px;
  font-size:13.5px;color:var(--muted);line-height:1.7;
}
.hero-float ol li::before{
  content:counter(hs);position:absolute;left:0;top:4px;
  width:18px;height:18px;border-radius:50%;
  background:rgba(124,77,255,.12);color:var(--brand-primary);
  font-size:11px;font-weight:800;display:grid;place-items:center;
}

/* ---------- 目录胶囊 ---------- */
.quick-nav-wrap{
  position:sticky;top:72px;z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.quick-list{
  display:flex;gap:8px;overflow-x:auto;
  padding:12px 0;scrollbar-width:none;
}
.quick-list::-webkit-scrollbar{display:none;}
.quick-list a{
  flex-shrink:0;padding:9px 18px;border-radius:999px;
  font-size:14.5px;font-weight:700;color:#4A4259;
  background:var(--surface-2);border:1px solid transparent;
  transition:all .2s ease;
}
.quick-list a:hover{color:var(--brand-primary);border-color:var(--border);background:#fff;}
.quick-list a.active{
  color:#fff;background:linear-gradient(135deg,var(--brand-primary),#9C7BFF);
  box-shadow:0 8px 18px rgba(124,77,255,.3);
}

/* ---------- 问答精选卡片 ---------- */
.qa-lead{
  display:grid;grid-template-columns:1.25fr 1fr;gap:var(--space-4);
}
.qa-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  overflow:hidden;box-shadow:var(--shadow-s);
  display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.qa-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:var(--brand-primary);}
.qa-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#EDE7FF,#DDF6F2);}
.qa-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.qa-card:hover .thumb img{transform:scale(1.05);}
.qa-card .badge-cat{
  position:absolute;left:14px;top:14px;
  padding:6px 13px;border-radius:999px;font-size:12px;font-weight:800;color:#fff;
  background:rgba(33,23,53,.78);backdrop-filter:blur(4px);
}
.qa-card .badge-cat.c1{background:rgba(124,77,255,.92);}
.qa-card .badge-cat.c2{background:rgba(22,217,197,.92);color:#08312C;}
.qa-card .badge-cat.c3{background:rgba(255,176,32,.94);color:#3A2600;}
.qa-card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.qa-card-body h3{font-size:19px;margin-bottom:10px;}
.qa-card:hover .qa-card-body h3{color:var(--brand-primary);}
.qa-card-body p{color:var(--muted);font-size:15px;margin-bottom:16px;}
.qa-meta{
  margin-top:auto;display:flex;align-items:center;gap:14px;
  font-size:13px;color:var(--muted);
  padding-top:14px;border-top:1px dashed var(--border);
}
.qa-meta .link{color:var(--brand-primary);font-weight:700;margin-left:auto;}
.qa-lead .qa-card.is-large .qa-card-body h3{font-size:23px;}
.qa-side{display:grid;gap:var(--space-4);}
.qa-side .qa-card{flex-direction:row;align-items:stretch;}
.qa-side .qa-card .thumb{width:150px;flex-shrink:0;aspect-ratio:auto;min-height:100%;}
.qa-side .qa-card .qa-card-body{padding:18px;}
.qa-side .qa-card .qa-card-body h3{font-size:16.5px;}

/* ---------- 主题分组列表 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-4);}
.topic-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  padding:24px;box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.topic-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:var(--brand-primary);}
.topic-item .ico{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  font-size:18px;color:#fff;margin-bottom:16px;
}
.ico-p{background:linear-gradient(135deg,var(--brand-primary),#A587FF);}
.ico-s{background:linear-gradient(135deg,#16D9C5,#5AE7D8);color:#063A34;}
.ico-a{background:linear-gradient(135deg,#FFB020,#FFD277);color:#3A2600;}
.topic-item h3{font-size:17.5px;margin-bottom:10px;}
.topic-item p{font-size:14.5px;color:var(--muted);margin:0 0 14px;}
.topic-item ul li{
  position:relative;padding-left:20px;font-size:14px;color:#4A4259;line-height:1.9;
}
.topic-item ul li::before{
  content:"";position:absolute;left:0;top:10px;
  width:7px;height:7px;border-radius:2px;background:var(--brand-secondary);
}

/* ---------- 步骤 / 对照条 ---------- */
.flow-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-3);}
.flow-step{
  position:relative;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-m);padding:24px 20px;box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);}
.flow-step .num{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:11px;
  font-size:14px;font-weight:800;color:#fff;margin-bottom:14px;
  background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));
}
.flow-step h3{font-size:16.5px;margin-bottom:8px;}
.flow-step p{font-size:14px;color:var(--muted);margin:0;}

/* ---------- 警示条 ---------- */
.notice{
  display:flex;gap:16px;align-items:flex-start;
  background:linear-gradient(120deg,rgba(255,176,32,.10),rgba(124,77,255,.06));
  border:1px solid rgba(255,176,32,.32);
  border-radius:var(--radius-m);padding:22px 24px;margin-top:var(--space-5);
}
.notice i{color:var(--brand-accent);font-size:20px;margin-top:3px;}
.notice h3{font-size:17px;margin-bottom:6px;}
.notice p{margin:0;font-size:14.5px;color:#5A5266;}

/* ---------- FAQ ---------- */
.faq-list{max-width:960px;margin:0 auto;}
.accordion-item{
  border:1px solid var(--border) !important;
  border-radius:var(--radius-m) !important;
  margin-bottom:14px;overflow:hidden;background:#fff;
  box-shadow:var(--shadow-s);
}
.accordion-button{
  background:#fff;color:var(--ink);
  font-size:17px;font-weight:800;line-height:1.5;
  padding:20px 24px;border-radius:var(--radius-m) !important;
  box-shadow:none !important;
}
.accordion-button:not(.collapsed){
  background:var(--surface-2);color:var(--brand-primary);
}
.accordion-button::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:14px;color:var(--brand-primary);
  background-image:none;width:auto;height:auto;
  transform:none;transition:transform .22s ease;
}
.accordion-button:not(.collapsed)::after{
  content:"\f068";transform:rotate(180deg);
}
.accordion-button:focus{outline:0;box-shadow:0 0 0 3px rgba(22,217,197,.35) !important;}
.accordion-body{
  padding:4px 24px 22px;color:#4A4259;font-size:15.5px;
  background:var(--surface-2);line-height:1.85;
}
.accordion-body p:last-child{margin-bottom:0;}
.accordion-body ul{margin:10px 0 0;}
.accordion-body ul li{position:relative;padding-left:20px;margin-bottom:6px;font-size:15px;}
.accordion-body ul li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;
  background:var(--brand-primary);
}

/* ---------- 相关分类 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-4);}
.related-card{
  display:flex;gap:20px;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  padding:20px;box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:var(--brand-primary);}
.related-card .rc-thumb{
  width:112px;height:88px;border-radius:14px;overflow:hidden;flex-shrink:0;
  background:linear-gradient(135deg,#EDE7FF,#DDF6F2);
}
.related-card .rc-thumb img{width:100%;height:100%;object-fit:cover;}
.related-card h3{font-size:17px;margin-bottom:6px;}
.related-card:hover h3{color:var(--brand-primary);}
.related-card p{font-size:14px;color:var(--muted);margin:0 0 8px;}
.related-card .rc-tag{
  display:inline-block;font-size:12px;font-weight:700;
  padding:4px 11px;border-radius:999px;
  color:var(--brand-primary);background:rgba(124,77,255,.10);
}
.related-card .rc-tag.t2{color:#0B7C71;background:rgba(22,217,197,.14);}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:linear-gradient(135deg,#1D1233 0%,#2A1A4A 55%,#33205C 100%);
  border-radius:var(--radius-l);padding:38px 40px;color:#fff;
  display:flex;align-items:center;gap:var(--space-5);flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-bar::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,217,197,.35),transparent 68%);
}
.cta-bar .cta-text{position:relative;z-index:2;flex:1;min-width:260px;}
.cta-bar h2{color:#fff;font-size:24px;margin-bottom:8px;}
.cta-bar p{color:#BFB6D6;margin:0;font-size:15px;}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;
  padding:12px 22px;border-radius:999px;
  border:1px solid rgba(255,255,255,.34);background:transparent;
  color:#fff;font-size:14.5px;font-weight:700;
  transition:all .22s ease;
}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.12);border-color:var(--brand-secondary);transform:translateY(-2px);}
.btn-soft{
  display:inline-flex;align-items:center;gap:9px;
  padding:12px 22px;border-radius:999px;border:0;
  background:rgba(124,77,255,.24);color:#D6CBFF;
  font-size:14.5px;font-weight:700;transition:all .22s ease;
}
.btn-soft:hover{background:rgba(124,77,255,.4);color:#fff;transform:translateY(-2px);}
.btn-soft.is-done{background:rgba(22,217,197,.3);color:#C6FFF6;}
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(22,217,197,.45);outline-offset:2px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--surface-dark);color:#B9B0CE;
  padding:var(--space-8) 0 var(--space-4);margin-top:0;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:42px;height:42px;font-size:18px;}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800;}
.site-footer h3{color:#fff;font-size:15.5px;margin-bottom:16px;}
.site-footer p{font-size:14.5px;line-height:1.85;color:#A79EBD;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.footer-tags span{
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  color:#CFC6E6;background:rgba(124,77,255,.20);
  border:1px solid rgba(124,77,255,.3);
}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:#B9B0CE;font-size:14.5px;transition:color .2s ease,padding-left .2s ease;}
.footer-links a:hover{color:var(--brand-secondary);padding-left:4px;}
.footer-bottom{
  margin-top:var(--space-6);padding-top:22px;
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:#8C83A6;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-search input{width:110px;}
  .nav-channels a{padding:8px 11px;font-size:14.5px;}
}
@media (max-width:991.98px){
  .nav-channels,.nav-tools .nav-search,.nav-tools .btn-ghost-nav{display:none;}
  .menu-toggle{display:grid;}
  .nav-shell{height:60px;}
  .site-header{--nav-h:60px;}
  .quick-nav-wrap{top:60px;}
  .hero{padding:44px 0 58px;}
  .hero-inner{grid-template-columns:1fr;gap:var(--space-6);}
  .hero-media{order:-1;}
  .hero-float{position:static;margin-top:16px;width:100%;}
  .qa-lead{grid-template-columns:1fr;}
  .topic-grid{grid-template-columns:repeat(2,1fr);}
  .flow-wrap{grid-template-columns:repeat(2,1fr);}
  .related-grid{grid-template-columns:1fr;}
  .section{padding:var(--space-7) 0;}
  .cta-bar{padding:30px 26px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .brand-text b{font-size:14.5px;}
  .brand-text span{font-size:11px;}
  .section{padding:var(--space-6) 0;}
  .topic-grid{grid-template-columns:1fr;}
  .qa-side .qa-card{flex-direction:column;}
  .qa-side .qa-card .thumb{width:100%;aspect-ratio:16/9;min-height:0;}
  .related-card{flex-direction:column;align-items:flex-start;}
  .related-card .rc-thumb{width:100%;height:150px;}
  .hero-facts{gap:20px;}
  .hero-facts b{font-size:20px;}
  .accordion-button{font-size:15.5px;padding:16px 18px;}
  .accordion-body{padding:4px 18px 18px;}
}
@media (max-width:575.98px){
  .hero h1{font-size:28px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn-main,.btn-line{justify-content:center;width:100%;}
  .flow-wrap{grid-template-columns:1fr;}
  .cta-actions{width:100%;}
  .btn-ghost,.btn-soft{flex:1;justify-content:center;}
  .brand-mark{width:36px;height:36px;font-size:15px;}
  .quick-list a{padding:8px 14px;font-size:13.5px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}