/* roulang page: index */
:root{
  --rl-primary:#6C4CF1;
  --rl-primary-deep:#5636D6;
  --rl-primary-soft:#F1ECFF;
  --rl-coral:#FF6B57;
  --rl-teal:#12B8A6;
  --rl-yellow:#FFC93C;
  --rl-bg:#F7F5FF;
  --rl-surface:#FFFFFF;
  --rl-ink:#1B1730;
  --rl-muted:#5C5872;
  --rl-line:#E7E3F7;
  --rl-dark:#171233;
  --rl-grad:linear-gradient(135deg,#6C4CF1 0%,#FF6B57 100%);
  --rl-grad-soft:linear-gradient(135deg,#F1ECFF 0%,#FFF1EE 100%);
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(27,23,48,.06);
  --sh-2:0 14px 34px rgba(108,76,241,.18);
  --sh-3:0 24px 60px rgba(27,23,48,.14);
  --ease:.25s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;font-size:16px;line-height:1.8;color:var(--rl-ink);background:var(--rl-bg);-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
svg{display:block}
:focus-visible{outline:2px solid var(--rl-primary);outline-offset:2px;border-radius:6px}

/* ---------- 布局骨架 ---------- */
.shell{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100vh}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.page{min-width:0;display:flex;flex-direction:column}
.page > .container{padding-top:32px}

/* ---------- 左侧竖向导航 ---------- */
.sidenav{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:22px;padding:24px 16px;background:var(--rl-surface);border-right:1px solid var(--rl-line);z-index:60}
.sidenav__top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand__mark{display:grid;place-items:center;flex:0 0 auto;width:36px;height:36px;border-radius:11px;background:var(--rl-grad);color:#fff;font-size:13px;font-weight:800;letter-spacing:.02em;box-shadow:0 6px 16px rgba(108,76,241,.3)}
.brand__text{font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidenav__nav{flex:1 1 auto;min-height:0;overflow-y:auto}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-link{position:relative;display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:var(--r-sm);font-size:14px;color:var(--rl-muted);transition:background var(--ease),color var(--ease)}
.nav-link:hover{background:#FAF8FF;color:var(--rl-ink)}
.nav-link:active{background:#F2EDFF}
.nav-link.is-active{background:var(--rl-primary-soft);color:var(--rl-primary);font-weight:600}
.nav-link.is-active::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:0 3px 3px 0;background:var(--rl-grad)}
.nav-ico{width:18px;height:18px;flex:0 0 auto;display:grid;place-items:center}
.nav-ico svg{width:18px;height:18px;fill:currentColor}
.sidenav__cta{margin-top:auto;padding:16px;border-radius:var(--r-md);background:var(--rl-grad-soft);border:1px solid var(--rl-line)}
.sidenav__cta p{font-size:13px;line-height:1.6;color:var(--rl-muted);margin-bottom:12px}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:4px;width:40px;height:40px;padding:0 9px;border-radius:10px;border:1px solid var(--rl-line);background:#fff;flex:0 0 auto}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--rl-ink);transition:transform var(--ease),opacity var(--ease)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;border-radius:var(--r-pill);font-size:15px;font-weight:600;line-height:1;white-space:nowrap;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease)}
.btn--grad{background:var(--rl-grad);color:#fff;box-shadow:0 10px 24px rgba(108,76,241,.3)}
.btn--grad:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(108,76,241,.42)}
.btn--grad:active{transform:translateY(0);box-shadow:0 6px 14px rgba(108,76,241,.3)}
.btn--ghost{background:#fff;color:var(--rl-primary);border:1px solid var(--rl-primary)}
.btn--ghost:hover{background:var(--rl-primary-soft);transform:translateY(-2px)}
.btn--ghost:active{transform:translateY(0)}
.btn--light{background:#fff;color:var(--rl-primary);box-shadow:0 10px 24px rgba(27,23,48,.18)}
.btn--light:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(27,23,48,.24)}
.btn--outline-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.72)}
.btn--outline-light:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn--sm{padding:10px 18px;font-size:13px}
.btn--block{width:100%}
.btn.is-disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 通用标签 ---------- */
.sec-tag{display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:var(--r-pill);background:var(--rl-primary-soft);color:var(--rl-primary);font-size:12px;font-weight:700;letter-spacing:.04em;margin-bottom:14px}
.sec-head{margin-bottom:30px;max-width:760px}
.sec-head h2{font-size:32px;line-height:1.3;font-weight:800;letter-spacing:.01em}
.sec-head p{margin-top:12px;font-size:15px;color:var(--rl-muted)}
.section{margin-top:88px}
.section:first-child{margin-top:32px}

/* ---------- 首屏 ---------- */
.hero{position:relative;border-radius:var(--r-xl);overflow:hidden;padding:48px;color:#fff;box-shadow:var(--sh-3);
  background-image:linear-gradient(135deg,rgba(76,48,196,.94) 0%,rgba(255,90,70,.86) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;background-repeat:no-repeat}
.hero__inner{display:grid;grid-template-columns:minmax(0,560px) minmax(0,1fr);gap:44px;align-items:center}
.hero__kicker{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.34);font-size:12px;font-weight:600;letter-spacing:.04em;margin-bottom:20px}
.hero h1{font-size:44px;line-height:1.24;font-weight:800;letter-spacing:.01em}
.hero__sub{margin-top:18px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.93);max-width:520px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero__media{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/10;background:rgba(255,255,255,.14);box-shadow:0 20px 48px rgba(20,14,48,.4)}
.hero__media img{width:100%;height:100%;object-fit:cover}
.hero__media-tag{position:absolute;left:14px;bottom:14px;display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:var(--r-pill);background:rgba(27,23,48,.72);color:#fff;font-size:12px;font-weight:600}

/* ---------- 数据徽章条 ---------- */
.badges{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:34px}
.badge-stat{background:#fff;color:var(--rl-ink);border-radius:var(--r-md);padding:18px 20px;box-shadow:0 12px 28px rgba(20,14,48,.22)}
.badge-stat b{display:block;font-size:24px;font-weight:800;line-height:1.2;letter-spacing:-.01em;color:var(--rl-primary)}
.badge-stat b span{font-size:12px;font-weight:600;color:var(--rl-muted);margin-left:5px}
.badge-stat p{margin-top:4px;font-size:13px;color:var(--rl-muted);line-height:1.6}

/* ---------- 权益对照表 ---------- */
.cmp-wrap{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--rl-line);background:#fff;box-shadow:var(--sh-1)}
.cmp{width:100%;border-collapse:collapse}
.cmp th,.cmp td{padding:16px 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--rl-line);vertical-align:middle}
.cmp thead th{background:#FAF8FF;font-size:14px;font-weight:700;color:var(--rl-muted)}
.cmp thead th:first-child{color:var(--rl-ink)}
.cmp tbody th{font-weight:600;color:var(--rl-ink)}
.cmp tbody tr{transition:background var(--ease)}
.cmp tbody tr:hover{background:#FCFAFF}
.cmp tbody tr:last-child th,.cmp tbody tr:last-child td{border-bottom:0}
.mark{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;font-size:12px;font-weight:700;line-height:1}
.mark--yes{background:rgba(18,184,166,.14);color:#0E9384}
.mark--no{background:#F0EEF9;color:#9C98AD}

/* ---------- 等级亮点 ---------- */
.levels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.level{position:relative;display:flex;flex-direction:column;gap:16px;padding:28px 26px;border-radius:var(--r-lg);background:#fff;border:1px solid var(--rl-line);box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease)}
.level:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.level--pick{border:1px solid transparent;background:linear-gradient(#fff,#fff) padding-box,var(--rl-grad) border-box}
.level__flag{position:absolute;top:-13px;right:22px;padding:5px 13px;border-radius:var(--r-pill);background:var(--rl-yellow);color:#3A2B00;font-size:12px;font-weight:800;letter-spacing:.02em;box-shadow:0 8px 18px rgba(255,201,60,.4)}
.level__badge{align-self:flex-start;padding:6px 14px;border-radius:var(--r-sm);font-size:13px;font-weight:700;color:#fff}
.level__badge--b1{background:linear-gradient(135deg,#12B8A6,#0E9384)}
.level__badge--b2{background:linear-gradient(135deg,#6C4CF1,#9B7BFF)}
.level__badge--b3{background:linear-gradient(135deg,#FF6B57,#FFC93C)}
.level h3{font-size:20px;font-weight:700}
.level__desc{font-size:14px;color:var(--rl-muted)}
.level__list{display:flex;flex-direction:column;gap:10px;margin-top:2px}
.tick{display:flex;gap:10px;align-items:flex-start;font-size:15px;line-height:1.7;color:var(--rl-muted)}
.tick__dot{flex:0 0 auto;width:7px;height:7px;border-radius:50%;margin-top:10px;background:var(--rl-grad)}
.level .btn{margin-top:auto}

/* ---------- 专属内容预览 ---------- */
.locks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.lock{display:flex;flex-direction:column;background:#fff;border:1px solid var(--rl-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease)}
.lock:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.lock__img{position:relative;aspect-ratio:16/10;background:var(--rl-grad-soft);overflow:hidden}
.lock__img img{width:100%;height:100%;object-fit:cover}
.lock__shade{position:absolute;inset:0;background:rgba(27,23,48,.12);display:flex;align-items:center;justify-content:center}
.lock__badge{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--r-pill);background:rgba(27,23,48,.78);color:#fff;font-size:12px;font-weight:600}
.lock__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1 1 auto}
.lock__body h3{font-size:18px;font-weight:700}
.lock__body p{font-size:14px;color:var(--rl-muted)}
.lock__foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--rl-muted)}
.pill{display:inline-flex;align-items:center;padding:4px 11px;border-radius:var(--r-pill);font-size:12px;font-weight:600}
.pill--ok{background:rgba(18,184,166,.14);color:#0E9384}
.pill--lock{background:#F0EEF9;color:#7C7794}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{display:flex;flex-direction:column;gap:12px;padding:24px;background:#fff;border:1px solid var(--rl-line);border-radius:var(--r-md);box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D9D0FF}
.news-card__cat{align-self:flex-start;padding:4px 11px;border-radius:var(--r-pill);background:var(--rl-primary-soft);color:var(--rl-primary);font-size:12px;font-weight:600}
.news-card__title{font-size:18px;font-weight:700;line-height:1.5;transition:color var(--ease)}
.news-card:hover .news-card__title{color:var(--rl-primary)}
.news-card__desc{font-size:14px;color:var(--rl-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__meta{margin-top:auto;padding-top:14px;border-top:1px dashed var(--rl-line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--rl-muted)}
.news-card__more{color:var(--rl-primary);font-weight:600;white-space:nowrap}
.empty{grid-column:1/-1;text-align:center;padding:56px 24px;background:#fff;border:1px dashed var(--rl-line);border-radius:var(--r-lg);color:var(--rl-muted)}
.empty__icon{display:grid;place-items:center;width:48px;height:48px;margin:0 auto 14px;border-radius:50%;background:var(--rl-primary-soft);color:var(--rl-primary);font-size:20px;font-weight:700}
.empty p{font-size:15px;margin-bottom:16px}
.empty__links{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px}
.faq__item{background:#fff;border:1px solid var(--rl-line);border-radius:var(--r-md);overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease)}
.faq__item.is-open{border-color:#D9D0FF;box-shadow:var(--sh-1)}
.faq__q{width:100%;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 24px;text-align:left;font-size:16px;font-weight:600;line-height:1.6}
.faq__q:hover{color:var(--rl-primary)}
.faq__sign{position:relative;flex:0 0 auto;width:20px;height:20px}
.faq__sign::before,.faq__sign::after{content:"";position:absolute;background:var(--rl-primary);border-radius:2px;transition:transform var(--ease),opacity var(--ease)}
.faq__sign::before{left:0;top:9px;width:20px;height:2px}
.faq__sign::after{left:9px;top:0;width:2px;height:20px}
.faq__item.is-open .faq__sign::after{transform:rotate(90deg);opacity:0}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq__a-inner{padding:0 24px 22px;font-size:17px;line-height:1.85;color:var(--rl-muted)}

/* ---------- CTA ---------- */
.cta-band{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;padding:48px;border-radius:var(--r-xl);background:var(--rl-grad);color:#fff;box-shadow:var(--sh-3)}
.cta-band h2{font-size:32px;line-height:1.3;font-weight:800}
.cta-band p{margin-top:12px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.92);max-width:620px}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.footer{margin-top:88px;background:var(--rl-dark);color:#C9C4E4;padding:56px 0 26px}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer__brand .brand__mark{box-shadow:none}
.footer__brand span{font-size:15px;font-weight:700;color:#fff}
.footer p{font-size:14px;line-height:1.8;color:#A9A3CF}
.footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer__list{display:flex;flex-direction:column;gap:10px}
.footer__list a{font-size:14px;color:#C9C4E4;transition:color var(--ease),padding-left var(--ease)}
.footer__list a:hover{color:#fff}
.footer__bottom{margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8E88B8}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .hero{padding:42px}
  .hero h1{font-size:38px}
  .sec-head h2{font-size:28px}
  .cta-band h2{font-size:28px}
}
@media (max-width:992px){
  .shell{grid-template-columns:72px minmax(0,1fr)}
  .sidenav{padding:20px 10px;gap:16px}
  .sidenav__top{justify-content:center}
  .brand__text{display:none}
  .nav-link{justify-content:center;padding:12px 0}
  .nav-txt{display:none}
  .sidenav__cta{display:none}
  .hero{padding:36px}
  .hero h1{font-size:32px}
  .hero__inner{gap:32px}
  .locks{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .shell{grid-template-columns:1fr}
  .sidenav{position:sticky;top:0;height:auto;flex-direction:row;align-items:center;gap:0;padding:12px 16px;border-right:0;border-bottom:1px solid var(--rl-line);z-index:60}
  .sidenav__top{width:100%;justify-content:space-between}
  .brand__text{display:block}
  .nav-toggle{display:flex}
  .sidenav__nav{display:none;flex:initial;min-height:0;overflow:visible}
  .sidenav.is-open .sidenav__nav{display:block;position:fixed;left:0;right:0;top:65px;bottom:0;padding:20px 16px;background:#fff;border-top:1px solid var(--rl-line);overflow-y:auto;z-index:70}
  .sidenav.is-open .nav-link{justify-content:flex-start;padding:14px 14px;font-size:16px}
  .sidenav.is-open .nav-txt{display:block}
  .container{padding:0 16px}
  .page > .container{padding-top:20px}
  .section{margin-top:56px}
  .section:first-child{margin-top:20px}
  .hero{padding:26px;border-radius:var(--r-lg)}
  .hero__inner{grid-template-columns:1fr;gap:26px}
  .hero h1{font-size:30px}
  .hero__sub{font-size:16px}
  .hero__media{order:2}
  .hero__actions{flex-direction:column;align-items:stretch}
  .hero__actions .btn{width:100%}
  .badges{grid-template-columns:1fr;gap:12px}
  .sec-head h2{font-size:24px}
  .cta-band h2{font-size:24px}
  .levels,.locks,.news-grid{grid-template-columns:1fr}
  .cmp-wrap{border:0;background:transparent;box-shadow:none;overflow:visible}
  .cmp,.cmp thead,.cmp tbody,.cmp tr,.cmp th,.cmp td{display:block}
  .cmp thead{display:none}
  .cmp{background:transparent}
  .cmp tbody tr{background:#fff;border:1px solid var(--rl-line);border-radius:var(--r-md);padding:8px 0;margin-bottom:14px;box-shadow:var(--sh-1)}
  .cmp tbody tr:hover{background:#fff}
  .cmp tbody th{padding:14px 20px 8px;font-size:16px;border-bottom:1px dashed var(--rl-line)}
  .cmp tbody td{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:9px 20px;border-bottom:0;font-size:15px}
  .cmp tbody td::before{content:attr(data-label);color:var(--rl-muted);font-size:14px}
  .cmp tbody tr:last-child{margin-bottom:0}
  .cta-band{grid-template-columns:1fr;padding:30px 24px;border-radius:var(--r-lg)}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{width:100%}
  .footer{padding:44px 0 22px;margin-top:56px}
  .footer__grid{grid-template-columns:1fr;gap:26px}
  .faq__q{padding:16px 18px;font-size:15px}
  .faq__a-inner{padding:0 18px 18px;font-size:16px}
}
@media (max-width:480px){
  .hero h1{font-size:26px}
  .sec-head h2{font-size:22px}
  .btn{padding:12px 18px;font-size:14px}
  .cta-band h2{font-size:21px}
}

/* roulang page: article */
:root{
  --c-primary:#6C4CF1;
  --c-primary-dark:#5433D6;
  --c-primary-soft:#F1ECFF;
  --c-accent:#FF6B57;
  --c-teal:#12B8A6;
  --c-lemon:#FFC93C;
  --bg:#F7F5FF;
  --surface:#FFFFFF;
  --ink:#1B1730;
  --ink-2:#5C5872;
  --line:#E7E3F7;
  --grad-main:linear-gradient(135deg,#6C4CF1 0%,#FF6B57 100%);
  --grad-soft:linear-gradient(135deg,#EFE9FF 0%,#FFEFEB 100%);
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(27,23,48,.06);
  --sh-2:0 14px 34px rgba(108,76,241,.18);
  --sh-3:0 24px 60px rgba(27,23,48,.14);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.8;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:.01em;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(108,76,241,.45);outline-offset:2px;border-radius:8px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 布局骨架 ---------- */
.layout{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100vh}
.main{min-width:0;display:flex;flex-direction:column}
main{flex:1 0 auto;padding:32px 0 0}

/* ---------- 左侧竖向导航 ---------- */
.sidenav{
  grid-column:1;position:sticky;top:0;height:100vh;z-index:60;
  display:flex;flex-direction:column;gap:22px;
  padding:26px 18px 22px;
  background:var(--surface);border-right:1px solid var(--line);
}
.sidenav__brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:16px}
.sidenav__brand:hover{color:var(--c-primary)}
.brand__mark{
  flex:none;width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-main);color:#fff;font-size:14px;font-weight:700;letter-spacing:.02em;
  box-shadow:0 8px 18px rgba(108,76,241,.28);
}
.brand__name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidenav__nav{flex:1 1 auto;min-height:0;overflow-y:auto}
.nav-list{display:flex;flex-direction:column;gap:6px}
.nav-link{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 12px;border-radius:var(--r-sm);
  color:var(--ink-2);font-size:15px;font-weight:500;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-link:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);transform:translateX(2px)}
.nav-link.is-active{background:var(--c-primary-soft);color:var(--c-primary-dark);font-weight:600}
.nav-link.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--grad-main);
}
.nav-ico{flex:none;width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;color:currentColor}
.nav-ico svg{width:18px;height:18px;fill:currentColor}
.nav-txt{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidenav__cta{width:100%;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:12px;
  align-items:center;justify-content:center;cursor:pointer;transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--c-primary-soft);border-color:#D9CFFB}
.nav-toggle__bars,.nav-toggle__bars::before,.nav-toggle__bars::after{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);position:relative;
}
.nav-toggle__bars::before,.nav-toggle__bars::after{content:"";position:absolute;left:0}
.nav-toggle__bars::before{top:-6px}
.nav-toggle__bars::after{top:6px}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn--primary{background:var(--grad-main);color:#fff;box-shadow:0 10px 24px rgba(108,76,241,.28)}
.btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,107,87,.3)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:#DAD2FA}
.btn--ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);transform:translateY(-2px)}
.btn--dark{background:var(--ink);color:#fff}
.btn--dark:hover{background:#2C2550;color:#fff;transform:translateY(-2px)}
.btn--sm{padding:9px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-sm);
  font-size:12px;font-weight:600;background:var(--c-primary-soft);color:var(--c-primary-dark);border:1px solid #E0D8FF;
}
.badge--teal{background:#E4F8F5;color:#0B7F72;border-color:#C6EFE9}
.badge--lemon{background:#FFF7DC;color:#8A6207;border-color:#FFEBB0}
.badge--coral{background:#FFEDE9;color:#C23F2C;border-color:#FFD6CE}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;color:var(--ink-2);background:#fff;border:1px solid var(--line);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.tag:hover{color:var(--c-primary-dark);border-color:#D5C9FB;background:var(--c-primary-soft)}

/* ---------- 文章头部 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:18px}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--c-primary)}
.crumb__sep{color:#C3BDD8}
.crumb__now{color:var(--ink);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:44px 40px 40px;
  background:var(--grad-main);color:#fff;box-shadow:var(--sh-2);
}
.article-hero::before{
  content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.2;mix-blend-mode:overlay;
}
.article-hero::after{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.article-hero>*{position:relative;z-index:1}
.article-hero__tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.article-hero .badge{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.32);color:#fff}
.article-hero h1{font-size:44px;line-height:1.25;max-width:900px}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:20px;font-size:14px;color:rgba(255,255,255,.9)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--c-lemon);flex:none}
.dot--coral{background:var(--c-accent)}
.dot--teal{background:var(--c-teal)}

/* ---------- 正文 ---------- */
.article-block{margin-top:32px;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start}
.article-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:34px 36px;box-shadow:var(--sh-1)}
.article-body{max-width:760px;font-size:17px;line-height:1.85;color:#2C2742}
.article-body h2{font-size:26px;margin:2em 0 .75em;color:var(--ink)}
.article-body h3{font-size:20px;margin:1.7em 0 .6em;color:var(--ink)}
.article-body h4{font-size:17px;margin:1.4em 0 .5em;color:var(--ink)}
.article-body p{margin:0 0 1.2em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:0 0 .55em}
.article-body li::marker{color:var(--c-primary)}
.article-body a{color:var(--c-primary-dark);border-bottom:1px solid rgba(108,76,241,.35)}
.article-body a:hover{color:var(--c-accent);border-bottom-color:rgba(255,107,87,.5)}
.article-body img{border-radius:var(--r-md);margin:1.4em 0;box-shadow:var(--sh-1)}
.article-body blockquote{
  margin:1.5em 0;padding:18px 22px;border-left:4px solid var(--c-primary);
  background:var(--c-primary-soft);border-radius:0 var(--r-md) var(--r-md) 0;color:#3A3358;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body code{background:#F3F0FF;border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:15px}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--c-primary-soft);color:var(--ink);font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-body>:first-child{margin-top:0}

.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:24px}
.status-panel{
  background:var(--ink);color:#EAE6FA;border-radius:var(--r-lg);padding:24px 24px 22px;box-shadow:var(--sh-3);
}
.status-panel h3{font-size:16px;color:#fff;margin-bottom:14px}
.status-list{display:flex;flex-direction:column;gap:12px}
.status-list li{display:flex;gap:10px;font-size:13.5px;line-height:1.65;color:#C6BFE4}
.status-list .dot{margin-top:8px}
.status-panel .btn{width:100%;margin-top:18px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 22px 20px;box-shadow:var(--sh-1)}
.side-card h3{font-size:16px;margin-bottom:12px}
.side-card ul{display:flex;flex-direction:column;gap:10px}
.side-card li a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:var(--ink-2);padding:9px 12px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#FCFBFF;transition:all .2s ease;
}
.side-card li a:hover{color:var(--c-primary-dark);border-color:#D5C9FB;background:var(--c-primary-soft);transform:translateX(2px)}
.side-card li a::after{content:"›";font-size:18px;line-height:1;color:#B9B0DC}

/* ---------- 标签行 ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}
.tag-row__label{font-size:13px;color:var(--ink-2);font-weight:600}

/* ---------- 相关推荐 ---------- */
.section{margin-top:64px}
.section__head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:24px}
.section__head h2{font-size:28px}
.section__head p{font-size:14px;color:var(--ink-2);margin-top:6px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D9CFFB}
.card__media{position:relative;aspect-ratio:16/10;background:var(--grad-soft);overflow:hidden}
.card__media img{width:100%;height:100%;object-fit:cover}
.card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(27,23,48,0) 45%,rgba(27,23,48,.42) 100%)}
.card__badge{position:absolute;left:14px;top:14px;z-index:2;background:rgba(255,255,255,.94)}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card__body h3{font-size:18px;line-height:1.5}
.card:hover .card__body h3{color:var(--c-primary-dark)}
.card__body p{font-size:14px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-2);padding-top:6px}
.card__more{color:var(--c-primary);font-weight:600}
.card__more::after{content:" →"}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px}
.faq__item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .2s ease}
.faq__item:hover{border-color:#D9CFFB}
.faq__item.is-open{box-shadow:var(--sh-2);border-color:#D5C9FB}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:14px 22px;background:transparent;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);cursor:pointer;
}
.faq__ico{position:relative;flex:none;width:24px;height:24px;border-radius:8px;background:var(--c-primary-soft)}
.faq__ico::before,.faq__ico::after{content:"";position:absolute;left:50%;top:50%;background:var(--c-primary-dark);border-radius:2px;transform:translate(-50%,-50%)}
.faq__ico::before{width:12px;height:2px}
.faq__ico::after{width:2px;height:12px;transition:transform .25s ease}
.faq__item.is-open .faq__ico::after{transform:translate(-50%,-50%) scaleY(0)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq__a-inner{padding:0 22px 22px;font-size:16px;line-height:1.8;color:var(--ink-2)}

/* ---------- CTA ---------- */
.cta{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:46px 40px;
  background:var(--grad-main);color:#fff;box-shadow:var(--sh-2);
}
.cta::before{
  content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.18;mix-blend-mode:overlay;
}
.cta__inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta h2{font-size:32px;max-width:560px}
.cta p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.92);max-width:600px}
.cta__actions{display:flex;flex-wrap:wrap;gap:12px}
.cta .btn--ghost{background:rgba(255,255,255,.96);border-color:transparent;color:var(--c-primary-dark)}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:56px 24px;border:1px dashed #D5C9FB;border-radius:var(--r-lg);background:#FCFBFF;
}
.empty-state__ico{
  width:56px;height:56px;margin:0 auto 16px;border-radius:18px;background:var(--grad-soft);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary-dark);font-size:24px;font-weight:700;
}
.empty-state h3{font-size:20px;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--ink-2);margin-bottom:20px}

/* ---------- 页脚 ---------- */
.footer{background:#15112A;color:#B8B1D6;margin-top:72px;padding:56px 0 26px}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer__brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px}
.footer p{font-size:14px;line-height:1.8;color:#A49CCB;max-width:320px}
.footer h4{font-size:15px;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.footer__list{display:flex;flex-direction:column;gap:10px}
.footer__list a{font-size:14px;color:#A49CCB}
.footer__list a:hover{color:#fff}
.footer__bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:#8B83B4;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-hero{padding:38px 32px}
  .article-hero h1{font-size:38px}
  .article-block{grid-template-columns:minmax(0,1fr) 268px;gap:24px}
}
@media (max-width:991px){
  .layout{grid-template-columns:72px minmax(0,1fr)}
  .sidenav{padding:22px 10px;align-items:center}
  .sidenav__brand .brand__name{display:none}
  .nav-link{justify-content:center;padding:12px 0}
  .nav-txt{display:none}
  .sidenav__cta{padding:12px 0;font-size:0}
  .sidenav__cta .cta-txt{display:none}
  .sidenav__cta::after{content:"★";font-size:16px}
  .article-block{grid-template-columns:minmax(0,1fr)}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap}
  .article-side>*{flex:1 1 280px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:767px){
  .layout{grid-template-columns:minmax(0,1fr)}
  .sidenav{
    position:sticky;top:0;height:auto;flex-direction:row;align-items:center;justify-content:space-between;
    padding:12px 16px;border-right:0;border-bottom:1px solid var(--line);gap:12px;
  }
  .sidenav__brand .brand__name{display:inline}
  .nav-toggle{display:inline-flex}
  .sidenav__nav{
    position:fixed;left:0;right:0;top:63px;bottom:0;background:#fff;padding:18px 16px 32px;
    transform:translateX(-100%);transition:transform .28s ease;overflow-y:auto;border-top:1px solid var(--line);
  }
  .sidenav__nav.is-open{transform:translateX(0)}
  .nav-list{gap:8px}
  .nav-link{justify-content:flex-start;padding:13px 14px;font-size:16px}
  .nav-txt{display:inline}
  .sidenav__cta{font-size:14px;padding:12px 20px;width:auto}
  .sidenav__cta .cta-txt{display:inline}
  .sidenav__cta::after{content:""}
  main{padding-top:20px}
  .container{padding:0 16px}
  .article-hero{padding:30px 22px;border-radius:var(--r-lg)}
  .article-hero h1{font-size:30px}
  .article-panel{padding:24px 18px;border-radius:var(--r-md)}
  .article-body{font-size:17px}
  .article-body h2{font-size:22px}
  .section{margin-top:48px}
  .section__head h2{font-size:24px}
  .grid-3{grid-template-columns:minmax(0,1fr)}
  .cta{padding:32px 22px;border-radius:var(--r-lg)}
  .cta h2{font-size:24px}
  .cta__actions{width:100%}
  .cta__actions .btn{flex:1 1 100%}
  .footer{padding:44px 0 22px}
  .footer__grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .footer p{max-width:none}
}
@media (max-width:479px){
  .article-hero h1{font-size:26px}
  .crumb{font-size:12px}
  .article-meta{font-size:13px}
}

/* roulang page: category1 */
:root{
  --brand:#6C4CF1;
  --brand-soft:#F1ECFF;
  --coral:#FF6B57;
  --teal:#12B8A6;
  --lemon:#FFC93C;
  --bg:#F7F5FF;
  --surface:#FFFFFF;
  --ink:#1B1730;
  --ink-2:#5C5872;
  --ink-3:#8A86A0;
  --line:#E7E3F7;
  --grad:linear-gradient(135deg,#6C4CF1 0%,#FF6B57 100%);
  --grad-soft:linear-gradient(135deg,rgba(108,76,241,.12),rgba(255,107,87,.12));
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --pill:999px;
  --sh-1:0 6px 20px rgba(27,23,48,.06);
  --sh-2:0 14px 34px rgba(108,76,241,.18);
  --sh-3:0 24px 60px rgba(27,23,48,.14);
  --container:1200px;
  --sidenav-w:240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--coral);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:3px solid rgba(108,76,241,.45);outline-offset:2px;border-radius:6px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------- 布局骨架 ---------- */
.layout{display:grid;grid-template-columns:var(--sidenav-w) minmax(0,1fr);min-height:100vh;}
.sidenav{
  position:sticky;top:0;align-self:start;height:100vh;
  display:flex;flex-direction:column;gap:20px;
  padding:24px 16px 20px;
  background:var(--surface);
  border-right:1px solid var(--line);
  overflow-y:auto;
}
.sidenav__brand{display:flex;align-items:center;gap:10px;padding:0 8px 18px;border-bottom:1px solid var(--line);}
.brand__mark{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;
  background:var(--grad);color:#fff;font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(108,76,241,.32);
}
.brand__text{display:flex;flex-direction:column;line-height:1.25;}
.brand__name{font-weight:700;font-size:16px;color:var(--ink);}
.brand__sub{font-size:12px;color:var(--ink-3);letter-spacing:.04em;}
.sidenav__nav{flex:1 1 auto;}
.nav-list{display:flex;flex-direction:column;gap:6px;}
.nav-link{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 12px;border-radius:var(--r-sm);
  color:var(--ink-2);font-size:15px;font-weight:500;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand);}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand);font-weight:700;}
.nav-link.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--grad);
}
.nav-ico{flex:0 0 20px;width:20px;height:20px;display:flex;align-items:center;justify-content:center;}
.nav-ico svg{width:18px;height:18px;fill:currentColor;}
.nav-txt{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sidenav__cta{
  border-radius:var(--r-md);padding:18px 16px;color:#fff;
  background:var(--grad);box-shadow:0 12px 28px rgba(108,76,241,.28);
}
.sidenav__cta strong{display:block;font-size:15px;margin-bottom:6px;}
.sidenav__cta p{font-size:13px;line-height:1.6;color:rgba(255,255,255,.86);margin-bottom:12px;}
.sidenav__cta .btn{width:100%;background:#fff;color:var(--brand);box-shadow:none;}
.sidenav__cta .btn:hover{background:#fff;color:var(--coral);}

/* 顶部移动导航 */
.topbar{
  display:none;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 16px;background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40;
  backdrop-filter:saturate(160%) blur(8px);
}
.nav-toggle{
  width:42px;height:42px;border-radius:12px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.drawer{
  position:fixed;inset:0;z-index:60;background:var(--surface);
  padding:20px 20px 32px;display:flex;flex-direction:column;gap:20px;
  transform:translateX(100%);transition:transform .3s ease;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;}
.drawer__close{
  width:40px;height:40px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;
}
.drawer .nav-link{padding:14px 14px;font-size:16px;}

/* ---------- 容器与板块 ---------- */
.page{padding:28px 0 0;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.block{margin-bottom:88px;}
.section-head{max-width:720px;margin-bottom:32px;}
.section-head h2{font-size:32px;margin-bottom:14px;}
.section-head p{color:var(--ink-2);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--brand);background:var(--brand-soft);border-radius:var(--pill);
  padding:6px 14px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--coral);}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--pill);font-size:15px;font-weight:700;
  border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease;
}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(108,76,241,.3);}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(108,76,241,.4);color:#fff;}
.btn--primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(108,76,241,.3);}
.btn--outline{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn--outline:hover{background:var(--brand-soft);color:var(--brand);transform:translateY(-2px);}
.btn--light{background:#fff;color:var(--brand);box-shadow:0 10px 24px rgba(27,23,48,.18);}
.btn--light:hover{color:var(--coral);transform:translateY(-2px);}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--ink-2);padding:9px 18px;font-size:14px;}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-sm);font-size:12px;font-weight:700;letter-spacing:.02em;
}
.badge--violet{background:var(--brand-soft);color:var(--brand);}
.badge--teal{background:rgba(18,184,166,.12);color:#0B8B7C;}
.badge--lemon{background:rgba(255,201,60,.2);color:#8A6300;}
.badge--coral{background:rgba(255,107,87,.14);color:#C33723;}

/* ---------- Hero ---------- */
.hero{
  position:relative;border-radius:24px;overflow:hidden;color:#fff;
  background-image:linear-gradient(120deg,rgba(108,76,241,.94) 0%,rgba(255,107,87,.86) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  box-shadow:var(--sh-3);
}
.hero__inner{
  position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:40px;align-items:center;padding:52px 48px 44px;
}
.hero__copy{max-width:560px;}
.hero__tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.32);
  padding:6px 14px;border-radius:var(--pill);margin-bottom:18px;
}
.hero__tag i{width:7px;height:7px;border-radius:50%;background:var(--lemon);display:block;font-style:normal;}
.hero h1{font-size:44px;line-height:1.2;margin-bottom:16px;}
.hero__lead{font-size:17px;line-height:1.75;color:rgba(255,255,255,.9);margin-bottom:26px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero__figure{margin:0;border-radius:var(--r-lg);overflow:hidden;box-shadow:0 20px 46px rgba(27,23,48,.28);background:rgba(255,255,255,.1);}
.hero__figure img{width:100%;aspect-ratio:3/2;object-fit:cover;}

.statbar{
  position:relative;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;
  margin-top:-30px;padding:0 48px 40px;
}
.stat{
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  border-radius:var(--r-md);padding:14px 18px;backdrop-filter:blur(4px);
}
.stat b{display:block;font-size:24px;font-weight:700;letter-spacing:.01em;}
.stat b i{font-style:normal;font-size:12px;font-weight:600;margin-left:4px;opacity:.82;}
.stat span{font-size:13px;color:rgba(255,255,255,.86);}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:22px;}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr));}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(108,76,241,.32);}
.card h3{font-size:18px;margin-bottom:10px;}
.card p{color:var(--ink-2);font-size:15px;}
.card__top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.card__ico{
  width:44px;height:44px;border-radius:14px;background:var(--grad-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
}
.card__ico svg{width:22px;height:22px;fill:currentColor;}
.card__list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.card__list li{position:relative;padding-left:22px;font-size:14px;color:var(--ink-2);}
.card__list li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:3px;background:var(--grad-soft);
  border:2px solid rgba(108,76,241,.5);
}
.card__media{border-radius:var(--r-md);overflow:hidden;margin-bottom:18px;background:var(--brand-soft);}
.card__media img{width:100%;aspect-ratio:16/10;object-fit:cover;}

/* ---------- 深色状态面板 ---------- */
.panel-dark{
  background:#1B1730;color:#fff;border-radius:var(--r-lg);padding:38px 36px;
  box-shadow:var(--sh-3);
}
.panel-dark h2{font-size:28px;margin-bottom:12px;}
.panel-dark .panel__lead{color:rgba(255,255,255,.72);font-size:15px;max-width:640px;margin-bottom:26px;}
.status-list{display:flex;flex-direction:column;gap:14px;}
.status-row{
  display:grid;grid-template-columns:160px minmax(0,1fr) 108px;gap:18px;align-items:center;
  padding:16px 18px;border-radius:var(--r-md);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  transition:background-color .2s ease,border-color .2s ease;
}
.status-row:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.2);}
.status-row strong{font-size:15px;}
.status-bar{height:8px;border-radius:var(--pill);background:rgba(255,255,255,.14);overflow:hidden;}
.status-bar i{display:block;height:100%;border-radius:var(--pill);background:var(--grad);}
.status-bar.is-teal i{background:linear-gradient(90deg,#12B8A6,#7BE0D2);}
.status-bar.is-lemon i{background:linear-gradient(90deg,#FFC93C,#FF9E57);}
.status-row em{font-style:normal;font-size:13px;color:rgba(255,255,255,.72);text-align:right;}

/* ---------- 对照表 ---------- */
.tablewrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
}
.cmp caption{text-align:left;padding:22px 26px 0;font-size:14px;color:var(--ink-3);}
.cmp thead th{
  position:sticky;top:0;z-index:2;
  background:linear-gradient(180deg,#F7F5FF,#F1ECFF);
  color:var(--ink);font-size:14px;font-weight:700;text-align:left;
  padding:16px 18px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.cmp tbody th{
  text-align:left;font-size:15px;font-weight:700;color:var(--ink);
  padding:18px;background:#FCFBFF;border-bottom:1px solid var(--line);
}
.cmp tbody td{
  padding:18px;font-size:14px;color:var(--ink-2);border-bottom:1px solid var(--line);
  vertical-align:top;
}
.cmp tbody tr:last-child th,.cmp tbody tr:last-child td{border-bottom:0;}
.cmp tbody tr{transition:background-color .2s ease;}
.cmp tbody tr:hover{background:#FBFAFF;}
.mark{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;}
.mark--ok{color:#0B8B7C;}
.mark--no{color:var(--ink-3);}
.mark i{
  width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-style:normal;font-size:11px;font-weight:700;color:#fff;
}
.mark--ok i{background:var(--teal);}
.mark--no i{background:#C9C5DC;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.step em{
  font-style:normal;display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:12px;background:var(--grad);color:#fff;
  font-weight:700;font-size:14px;margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--ink-2);}

/* ---------- FAQ ---------- */
.faq{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:18px 26px;text-align:left;font-size:16px;font-weight:700;color:var(--ink);
  transition:background-color .2s ease,color .2s ease;
}
.faq-q:hover{background:#FBFAFF;color:var(--brand);}
.faq-ico{position:relative;flex:0 0 18px;width:18px;height:18px;}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .28s ease,opacity .28s ease;}
.faq-ico::before{left:0;top:8px;width:18px;height:2px;}
.faq-ico::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-ico::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-item.is-open .faq-a{max-height:320px;}
.faq-a p{padding:0 26px 22px;font-size:17px;line-height:1.85;color:var(--ink-2);max-width:820px;}

/* ---------- CTA ---------- */
.cta{
  position:relative;border-radius:var(--r-lg);overflow:hidden;color:#fff;
  background-image:linear-gradient(120deg,rgba(27,23,48,.9),rgba(108,76,241,.82)),url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
  padding:48px 44px;box-shadow:var(--sh-3);
}
.cta__inner{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:34px;align-items:center;}
.cta h2{font-size:30px;margin-bottom:14px;}
.cta p{color:rgba(255,255,255,.84);font-size:16px;max-width:560px;}
.cta__actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- 页脚 ---------- */
.footer{background:#FFFFFF;border-top:1px solid var(--line);padding:56px 0 26px;margin-top:24px;}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer__brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;margin-bottom:14px;}
.footer p{font-size:14px;color:var(--ink-2);max-width:320px;}
.footer h4{font-size:15px;margin-bottom:16px;color:var(--ink);}
.footer__list{display:flex;flex-direction:column;gap:10px;}
.footer__list a{font-size:14px;color:var(--ink-2);}
.footer__list a:hover{color:var(--brand);}
.footer__bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .hero__inner{padding:44px 36px 38px;gap:32px;}
  .statbar{padding:0 36px 34px;}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:992px){
  .layout{grid-template-columns:72px minmax(0,1fr);}
  .sidenav{padding:18px 12px;}
  .sidenav__brand{justify-content:center;padding:0 0 16px;}
  .brand__text{display:none;}
  .nav-link{justify-content:center;padding:12px 0;}
  .nav-txt{display:none;}
  .nav-link.is-active::before{left:-12px;}
  .sidenav__cta{padding:12px 8px;text-align:center;}
  .sidenav__cta strong,.sidenav__cta p{display:none;}
  .sidenav__cta .btn{padding:10px 6px;font-size:13px;}
  .hero__inner{grid-template-columns:minmax(0,1fr);padding:40px 30px 34px;}
  .hero h1{font-size:34px;}
  .hero__figure{order:2;}
  .statbar{grid-template-columns:repeat(3,minmax(0,1fr));padding:0 30px 32px;}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta__inner{grid-template-columns:minmax(0,1fr);}
  .cta__actions{justify-content:flex-start;}
  .footer__grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .layout{grid-template-columns:minmax(0,1fr);}
  .sidenav{display:none;}
  .topbar{display:flex;}
  .page{padding-top:20px;}
  .container{padding:0 16px;}
  .block{margin-bottom:56px;}
  .hero{border-radius:20px;}
  .hero__inner{padding:32px 20px 28px;gap:22px;}
  .hero h1{font-size:30px;}
  .hero__lead{font-size:16px;}
  .hero__actions .btn{width:100%;}
  .statbar{grid-template-columns:minmax(0,1fr);padding:0 20px 28px;margin-top:0;gap:12px;}
  .section-head h2{font-size:24px;}
  .grid--2,.grid--3,.grid--4,.steps{grid-template-columns:minmax(0,1fr);}
  .panel-dark{padding:28px 20px;}
  .panel-dark h2{font-size:22px;}
  .status-row{grid-template-columns:minmax(0,1fr);gap:10px;}
  .status-row em{text-align:left;}
  .cmp thead{display:none;}
  .cmp,.cmp tbody,.cmp tr,.cmp th,.cmp td{display:block;width:100%;}
  .tablewrap{background:transparent;border:0;box-shadow:none;overflow:visible;}
  .cmp caption{padding:0 0 14px;}
  .cmp tbody tr{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
    margin-bottom:16px;padding:8px 0;box-shadow:var(--sh-1);overflow:hidden;
  }
  .cmp tbody th{background:var(--brand-soft);color:var(--brand);border-bottom:0;padding:14px 18px;font-size:15px;}
  .cmp tbody td{
    display:flex;justify-content:space-between;gap:14px;
    padding:12px 18px;border-bottom:1px dashed var(--line);
  }
  .cmp tbody tr td:last-child{border-bottom:0;}
  .cmp tbody td::before{
    content:attr(data-label);flex:0 0 auto;font-size:13px;color:var(--ink-3);font-weight:600;
  }
  .faq-q{font-size:15px;padding:16px 18px;gap:12px;}
  .faq-a p{padding:0 18px 18px;font-size:16px;}
  .cta{padding:32px 20px;}
  .cta h2{font-size:24px;}
  .cta__actions .btn{width:100%;}
  .footer{padding:40px 0 22px;}
  .footer__grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .footer p{max-width:100%;}
}
@media (max-width:480px){
  .hero h1{font-size:26px;}
  .stat b{font-size:20px;}
  .card{padding:20px;}
}

/* roulang page: category2 */
:root{
  --brand:#6C4CF1;
  --coral:#FF6B57;
  --teal:#12B8A6;
  --yellow:#FFC93C;
  --bg:#F7F5FF;
  --surface:#FFFFFF;
  --ink:#1B1730;
  --ink-2:#5C5872;
  --line:#E7E3F7;
  --soft:#F1ECFF;
  --grad:linear-gradient(135deg,#6C4CF1 0%,#FF6B57 100%);
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(27,23,48,.06);
  --sh-2:0 14px 34px rgba(108,76,241,.18);
  --sh-3:0 24px 60px rgba(27,23,48,.14);
  --gap-section:88px;
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:.01em;font-weight:700}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* 布局：左栏导航 + 内容区 */
.layout{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100vh}
.content{min-width:0;display:flex;flex-direction:column}

/* 侧边导航 */
.sidenav{
  position:sticky;top:0;height:100vh;
  display:flex;flex-direction:column;gap:20px;
  padding:24px 18px;
  background:var(--surface);
  border-right:1px solid var(--line);
  z-index:50;
}
.sidenav__head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:var(--ink)}
.brand__mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;letter-spacing:.02em;
  box-shadow:0 8px 18px rgba(108,76,241,.32);
}
.brand__text{white-space:nowrap}
.sidenav__toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;
  flex-direction:column;gap:4px;align-items:center;justify-content:center;
}
.sidenav__toggle span{width:18px;height:2px;border-radius:2px;background:var(--brand);display:block;transition:transform .2s ease,opacity .2s ease}
.sidenav__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.sidenav__toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.sidenav__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.sidenav__nav{flex:1;overflow-y:auto}
.nav-list{display:flex;flex-direction:column;gap:6px}
.nav-link{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 12px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-link:hover{background:var(--soft);color:var(--brand)}
.nav-link:active{transform:scale(.985)}
.nav-link.is-active{background:var(--soft);color:var(--brand)}
.nav-link.is-active::before{
  content:"";position:absolute;left:-18px;top:8px;bottom:8px;width:3px;
  border-radius:0 3px 3px 0;background:var(--grad);
}
.nav-ico{width:22px;height:22px;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center}
.nav-ico svg{width:100%;height:100%;fill:currentColor}
.nav-txt{white-space:nowrap}
.sidenav__cta{
  background:var(--grad);color:#fff;border-radius:var(--r-md);
  padding:18px;display:grid;gap:10px;font-size:13px;line-height:1.6;
  box-shadow:0 12px 26px rgba(108,76,241,.26);
}
.sidenav__cta b{font-size:15px;display:block}
.sidenav__cta span{color:rgba(255,255,255,.88)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(108,76,241,.3)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(108,76,241,.42)}
.btn--outline{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn--outline:hover{background:var(--soft);transform:translateY(-2px)}
.btn--light{background:#fff;color:var(--brand);box-shadow:0 10px 24px rgba(27,23,48,.16)}
.btn--light:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(27,23,48,.22)}
.btn--ghost-light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.4);color:#fff}
.btn--ghost-light:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}
.btn--sm{min-height:38px;padding:0 16px;font-size:13px}
.btn--block{width:100%}
.btn:active{transform:translateY(0)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* 面包屑 */
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:26px 0 4px;font-size:13px;color:var(--ink-2);
}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:#C3BCE0}
.crumbs [aria-current]{color:var(--ink);font-weight:600}

/* 板块 */
.section{padding:var(--gap-section) 0}
.section--tight{padding-top:32px}
.section--last{padding-bottom:64px}
.section__head{max-width:760px;margin-bottom:36px}
.section__head h2{font-size:32px;margin-bottom:12px}
.section__head p{color:var(--ink-2);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--brand);background:var(--soft);
  border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;
}
.eyebrow--light{background:rgba(255,255,255,.18);color:#fff}
.dot{width:8px;height:8px;border-radius:50%;background:var(--coral);box-shadow:0 0 0 4px rgba(255,107,87,.18);flex:0 0 auto;display:inline-block}

/* Hero */
.hero{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  padding:48px;color:#fff;background:#2A2350;
  display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:40px;align-items:center;
  box-shadow:var(--sh-3);
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.34;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(135deg,rgba(108,76,241,.94) 0%,rgba(108,76,241,.72) 46%,rgba(255,107,87,.88) 100%);
}
.hero>*{position:relative;z-index:2}
.hero h1{font-size:44px;line-height:1.25;margin:0 0 16px;max-width:620px}
.hero__lead{font-size:17px;color:rgba(255,255,255,.92);max-width:560px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero__media{border-radius:var(--r-lg);overflow:hidden;box-shadow:0 24px 50px rgba(17,12,45,.45);border:1px solid rgba(255,255,255,.22)}
.hero__media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
.stats{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.stats li{
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  border-radius:14px;padding:10px 18px;min-width:118px;
}
.stats b{display:block;font-size:24px;line-height:1.15;font-weight:800}
.stats span{display:block;font-size:12px;letter-spacing:.06em;opacity:.86}
.stats em{display:block;font-size:13px;font-style:normal;opacity:.94}

/* 等级卡阵 */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.level-card{
  position:relative;display:flex;flex-direction:column;gap:14px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.level-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.level-card--best{
  border:1.5px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
  box-shadow:var(--sh-2);
}
.level-badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:5px 12px;border-radius:var(--r-sm);
  background:var(--soft);color:var(--brand);
}
.level-badge--yellow{background:rgba(255,201,60,.22);color:#8A6400}
.level-badge--coral{background:rgba(255,107,87,.16);color:#C33B29}
.level-badge--teal{background:rgba(18,184,166,.16);color:#0A7A6E}
.level-card h3{font-size:20px}
.level-card__desc{font-size:14px;color:var(--ink-2);min-height:44px}
.level-list{display:grid;gap:10px;margin:4px 0 6px}
.level-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.7}
.tick{
  flex:0 0 auto;width:18px;height:18px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(18,184,166,.14);color:var(--teal);font-size:11px;font-weight:800;margin-top:3px;
}
.corner{
  position:absolute;top:-13px;right:20px;
  background:var(--grad);color:#fff;font-size:12px;font-weight:700;
  padding:5px 14px;border-radius:var(--r-pill);
  box-shadow:0 8px 18px rgba(108,76,241,.32);
}
.level-card .btn{margin-top:auto}

/* 深色信息面板 */
.panel{
  border-radius:var(--r-lg);padding:40px;color:#fff;
  background:linear-gradient(150deg,#241E45 0%,#16122B 100%);
  box-shadow:var(--sh-3);
}
.panel h2{font-size:32px;margin-bottom:12px;color:#fff}
.panel__lead{color:#BEB7DA;max-width:720px}
.panel__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:30px}
.panel__item{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);
  border-radius:var(--r-md);padding:22px;
  transition:background .25s ease,transform .25s ease;
}
.panel__item:hover{background:rgba(255,255,255,.1);transform:translateY(-3px)}
.panel__item h3{font-size:17px;margin-bottom:8px;display:flex;align-items:center;gap:9px;color:#fff}
.panel__item p{font-size:14px;color:#BEB7DA;line-height:1.78}
.panel__foot{
  margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.13);
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:14px;color:#D6D1EB;
}

/* 时间线 */
.timeline{display:grid;gap:16px}
.timeline__item{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:20px;align-items:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.timeline__item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D8CFFB}
.timeline__num{
  width:46px;height:46px;border-radius:14px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;
  box-shadow:0 10px 20px rgba(108,76,241,.26);
}
.timeline__item h3{font-size:18px;margin-bottom:6px}
.timeline__item p{font-size:14px;color:var(--ink-2)}
.timeline__meta{font-size:12px;color:var(--brand);font-weight:700;letter-spacing:.04em;margin-top:10px;display:inline-block;background:var(--soft);border-radius:var(--r-pill);padding:4px 12px}

/* 图文区块 */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:center}
.split__media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--line)}
.split__media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.feature-list{display:grid;gap:20px;margin-top:28px}
.feature-list li{display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;align-items:start}
.feature-ico{
  width:40px;height:40px;border-radius:13px;background:var(--soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;flex:0 0 auto;
}
.feature-list h3{font-size:17px;margin-bottom:4px}
.feature-list p{font-size:14px;color:var(--ink-2)}

/* FAQ */
.faq{display:grid;gap:14px;max-width:900px}
.faq__item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq__item:hover{border-color:#D8CFFB}
.faq__item.is-open{border-color:#CFC2FA;box-shadow:var(--sh-2)}
.faq__q{
  width:100%;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
}
.faq__q:hover{color:var(--brand)}
.faq__icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  background:var(--soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;line-height:1;
  transition:transform .28s ease,background .28s ease,color .28s ease;
}
.faq__item.is-open .faq__icon{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq__a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq__item.is-open .faq__a{max-height:360px}
.faq__a-inner{padding:0 24px 22px;font-size:16px;color:var(--ink-2);line-height:1.85}

/* CTA */
.cta{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);color:#fff;padding:44px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;
  box-shadow:0 22px 50px rgba(108,76,241,.3);
}
.cta::before{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.16);
}
.cta>*{position:relative;z-index:1}
.cta h2{font-size:30px;margin-bottom:10px}
.cta p{color:rgba(255,255,255,.92);font-size:15px;max-width:620px}
.cta__actions{display:flex;gap:14px;flex-wrap:wrap}

/* 页脚 */
.footer{
  margin-top:auto;
  background:linear-gradient(160deg,#221C44 0%,#16122B 100%);
  color:#CFC9E6;padding:56px 0 26px;
}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer__brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px}
.footer__brand .brand__mark{box-shadow:none}
.footer p{font-size:14px;line-height:1.8;color:#A9A2C6;max-width:320px}
.footer h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer__list{display:grid;gap:10px}
.footer__list a{font-size:14px;color:#A9A2C6}
.footer__list a:hover{color:#fff}
.footer__bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#8E87B0;
}

/* 响应式 */
@media (max-width:1199px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero{grid-template-columns:minmax(0,1fr) 320px;padding:40px}
  .hero h1{font-size:38px}
}
@media (max-width:991px){
  .layout{grid-template-columns:76px minmax(0,1fr)}
  .sidenav{padding:20px 12px;align-items:stretch}
  .sidenav__head{justify-content:center}
  .brand{justify-content:center}
  .brand__text,.nav-txt,.sidenav__cta{display:none}
  .nav-link{justify-content:center;padding:13px 0}
  .nav-link.is-active::before{left:-12px}
  .panel__grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:28px}
  .cta{grid-template-columns:1fr;padding:34px}
}
@media (max-width:767px){
  :root{--gap-section:56px}
  .layout{display:block}
  .sidenav{
    position:sticky;top:0;height:auto;
    flex-direction:row;align-items:center;justify-content:space-between;
    padding:12px 16px;border-right:0;border-bottom:1px solid var(--line);
    box-shadow:0 6px 18px rgba(27,23,48,.06);
  }
  .sidenav__head{width:100%;justify-content:space-between}
  .brand__text{display:inline}
  .nav-txt{display:inline}
  .sidenav__toggle{display:inline-flex}
  .sidenav__nav{
    position:fixed;inset:0;z-index:70;
    background:#fff;padding:88px 20px 28px;overflow-y:auto;
    transform:translateY(-100%);opacity:0;visibility:hidden;
    transition:transform .3s ease,opacity .24s ease,visibility .3s ease;
  }
  .sidenav__nav.is-open{transform:none;opacity:1;visibility:visible}
  .nav-list{gap:8px}
  .nav-link{justify-content:flex-start;padding:14px;font-size:16px}
  .nav-link.is-active::before{display:none}
  .container{padding:0 16px}
  .hero{grid-template-columns:1fr;padding:28px;border-radius:var(--r-lg)}
  .hero h1{font-size:30px}
  .hero__media{order:2}
  .hero__actions .btn{flex:1 1 100%}
  .section__head h2,.panel h2,.cta h2{font-size:24px}
  .grid-4{grid-template-columns:1fr}
  .panel{padding:26px}
  .cta{padding:28px}
  .cta__actions .btn{flex:1 1 100%}
  .timeline__item{grid-template-columns:1fr;gap:14px;padding:20px}
  .faq__q{font-size:16px;padding:14px 18px}
  .faq__a-inner{padding:0 18px 20px}
  .footer__grid{grid-template-columns:1fr;gap:26px}
  .footer{padding:44px 0 22px}
}
@media (max-width:480px){
  .hero{padding:22px}
  .hero h1{font-size:26px}
  .stats li{flex:1 1 100%}
  .btn{width:100%}
  .faq__q{font-size:15px}
}

/* roulang page: category3 */
:root{
  --brand:#6C4CF1;
  --brand-soft:#F1ECFF;
  --coral:#FF6B57;
  --teal:#12B8A6;
  --lemon:#FFC93C;
  --bg:#F7F5FF;
  --card:#FFFFFF;
  --ink:#1B1730;
  --muted:#5C5872;
  --line:#E7E3F7;
  --grad:linear-gradient(135deg,#6C4CF1 0%,#FF6B57 100%);
  --grad-soft:linear-gradient(135deg,#EFEAFE 0%,#FFEDE9 100%);
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --pill:999px;
  --sh-1:0 6px 20px rgba(27,23,48,.06);
  --sh-2:0 14px 34px rgba(108,76,241,.18);
  --sh-3:0 24px 60px rgba(27,23,48,.14);
  --nav-w:260px;
  --sec-gap:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;letter-spacing:.01em}
h1{font-size:44px}
h2{font-size:32px}
h3{font-size:20px}
p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(108,76,241,.5);outline-offset:2px;border-radius:10px}
::selection{background:rgba(108,76,241,.2)}
.app{display:grid;grid-template-columns:var(--nav-w) minmax(0,1fr);min-height:100vh}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.main{min-width:0;display:flex;flex-direction:column;min-height:100vh}

/* ===== 左侧竖向导航 ===== */
.sidenav{
  position:sticky;top:0;align-self:start;height:100vh;
  display:flex;flex-direction:column;gap:22px;
  padding:26px 18px 22px;
  background:var(--card);
  border-right:1px solid var(--line);
  overflow-y:auto;
  z-index:60;
}
.brand{display:flex;align-items:center;gap:11px;padding:2px 6px 0}
.brand__mark{
  display:grid;place-items:center;flex:none;
  width:40px;height:40px;border-radius:13px;
  background:var(--grad);color:#fff;
  font-size:14px;font-weight:700;letter-spacing:.02em;
  box-shadow:0 8px 18px rgba(108,76,241,.32);
}
.brand__text{min-width:0}
.brand__name{display:block;font-size:16px;font-weight:700;line-height:1.3;white-space:nowrap}
.brand__sub{display:block;font-size:12px;color:var(--muted);font-weight:500;margin-top:2px;white-space:nowrap}
.nav-list{display:flex;flex-direction:column;gap:6px}
.nav-link{
  position:relative;display:flex;align-items:center;gap:12px;
  height:46px;padding:0 14px;border-radius:var(--r-sm);
  color:var(--muted);font-size:15px;font-weight:500;
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand)}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.nav-link.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:3px;background:var(--grad);
}
.nav-ico{display:grid;place-items:center;width:20px;height:20px;flex:none}
.nav-ico svg{width:18px;height:18px;fill:currentColor}
.nav-txt{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidenav__cta{
  margin-top:auto;padding:16px;border-radius:var(--r-md);
  background:var(--brand-soft);border:1px solid var(--line);
}
.sidenav__cta h4{font-size:15px;margin-bottom:6px}
.sidenav__cta p{font-size:13px;color:var(--muted);line-height:1.7}
.sidenav__cta .btn{margin-top:12px;width:100%}

/* ===== 移动端顶栏与抽屉 ===== */
.topbar{
  display:none;position:sticky;top:0;z-index:70;
  align-items:center;justify-content:space-between;gap:12px;
  padding:11px 16px;
  background:rgba(255,255,255,.95);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.topbar .brand{padding:0}
.topbar .brand__mark{width:34px;height:34px;border-radius:11px;font-size:13px}
.topbar .brand__name{font-size:15px}
.topbar .brand__sub{display:none}
.burger{
  width:42px;height:42px;flex:none;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;gap:4px;padding:11px;
}
.burger span{display:block;width:100%;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease,opacity .25s ease}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-scrim{
  position:fixed;inset:0;z-index:55;
  background:rgba(27,23,48,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.nav-scrim.is-open{opacity:1;visibility:visible}

/* ===== 通用板块 ===== */
.section{padding:var(--sec-gap) 0 0}
.section--tight{padding-top:56px}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-tag{
  display:inline-block;padding:5px 13px;margin-bottom:14px;
  border-radius:var(--pill);background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.sec-sub{margin-top:12px;color:var(--muted);font-size:16px;line-height:1.8}

/* ===== Hero ===== */
.hero{padding:32px 0 0}
.hero__card{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  background:var(--grad);
  padding:52px;
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:44px;align-items:center;
  box-shadow:var(--sh-3);
}
.hero__card::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.2;
}
.hero__card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(27,23,48,.56) 0%,rgba(27,23,48,.14) 58%,rgba(27,23,48,.44) 100%);
}
.hero__body,.hero__media{position:relative;z-index:2}
.hero__kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;margin-bottom:18px;
  border-radius:var(--pill);
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.34);
  color:#fff;font-size:13px;font-weight:600;
}
.hero__kicker i{width:7px;height:7px;border-radius:50%;background:var(--lemon);display:block}
.hero h1{color:#fff;font-size:44px;line-height:1.22;max-width:560px}
.hero__sub{margin-top:16px;max-width:540px;color:rgba(255,255,255,.9);font-size:17px;line-height:1.8}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero__badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.stat{
  min-width:124px;padding:12px 18px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.3);
  color:#fff;
}
.stat__num{display:block;font-size:24px;font-weight:700;line-height:1.15}
.stat__unit{font-size:12px;font-weight:500;opacity:.82;margin-left:2px}
.stat__label{display:block;margin-top:4px;font-size:13px;color:rgba(255,255,255,.84)}
.hero__media{
  border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:16/10;background:#2B2350;
  box-shadow:0 24px 60px rgba(27,23,48,.4);
}
.hero__media img{width:100%;height:100%;object-fit:cover}
.hero__chip{
  position:absolute;right:-6px;bottom:-6px;z-index:3;
  background:#fff;border-radius:var(--r-md);
  padding:12px 16px;box-shadow:var(--sh-3);
  display:flex;align-items:center;gap:10px;
}
.hero__chip b{font-size:18px;color:var(--brand)}
.hero__chip span{font-size:13px;color:var(--muted)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn--sm{height:42px;padding:0 18px;font-size:14px}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(108,76,241,.3)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(108,76,241,.36)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:#fff;color:var(--brand);border:1px solid rgba(108,76,241,.36)}
.btn--ghost:hover{background:var(--brand-soft);border-color:rgba(108,76,241,.6)}
.btn--light{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.55)}
.btn--light:hover{background:rgba(255,255,255,.28)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ===== 快速定位 ===== */
.locate{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:36px;align-items:center;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-xl);padding:34px 36px;box-shadow:var(--sh-1);
}
.locate h2{font-size:26px}
.locate p{margin-top:10px;color:var(--muted);font-size:15px}
.search{display:flex;gap:10px}
.search input{
  flex:1;min-width:0;height:46px;padding:0 18px;
  border-radius:var(--pill);border:1px solid var(--line);
  background:#FBFAFF;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search input::placeholder{color:#9B97B0}
.search input:focus{outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(108,76,241,.14)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--pill);border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--muted);font-weight:500;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.chip:hover{background:var(--brand-soft);color:var(--brand);border-color:rgba(108,76,241,.4);transform:translateY(-2px)}
.search-note{margin-top:12px;font-size:13px;color:#8A86A0}

/* ===== 目录条目 ===== */
.catalog{display:grid;gap:36px}
.catalog__block{scroll-margin-top:96px}
.catalog__head{display:flex;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.catalog__no{
  width:30px;height:30px;flex:none;border-radius:10px;
  background:var(--grad);color:#fff;font-size:13px;font-weight:700;
  display:grid;place-items:center;
}
.catalog__head h3{font-size:20px}
.catalog__count{
  margin-left:auto;font-size:13px;color:var(--muted);
  background:#fff;border:1px solid var(--line);border-radius:var(--pill);padding:3px 13px;
}
.entry-list{
  background:var(--card);border:1px solid var(--line);
  border-radius:18px;overflow:hidden;box-shadow:var(--sh-1);
}
.entry{
  display:grid;grid-template-columns:68px minmax(0,1fr) auto;
  align-items:center;gap:16px;
  padding:18px 22px;border-top:1px solid var(--line);
  transition:background .2s ease;
}
.entry:first-child{border-top:0}
.entry:hover{background:var(--brand-soft)}
.entry__no{
  font-size:14px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:.06em;
}
.entry__name{display:block;font-size:18px;font-weight:700;line-height:1.45}
.entry__desc{display:block;margin-top:4px;font-size:14px;color:var(--muted);line-height:1.7}
.entry__side{display:flex;align-items:center;gap:14px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--pill);font-size:12px;font-weight:600;white-space:nowrap;
}
.badge--ok{background:rgba(18,184,166,.13);color:#0E8C7E}
.badge--new{background:rgba(255,201,60,.24);color:#8F6200}
.badge--vip{background:rgba(108,76,241,.13);color:var(--brand)}
.badge--muted{background:#F1EFF8;color:var(--muted)}
.entry__go{
  width:32px;height:32px;flex:none;border-radius:50%;
  border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--brand);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.entry__go svg{width:14px;height:14px;fill:currentColor}
.entry:hover .entry__go{background:var(--grad);color:#fff;border-color:transparent}
.empty{
  display:none;text-align:center;padding:48px 24px;
  background:var(--card);border:1px dashed var(--line);border-radius:18px;
}
.empty.is-on{display:block}
.empty b{display:block;font-size:16px;margin-bottom:6px}
.empty span{font-size:14px;color:var(--muted)}

/* ===== 查找流程 ===== */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step__no{
  display:inline-block;padding:3px 12px;margin-bottom:14px;
  border-radius:var(--pill);background:var(--grad);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.04em;
}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.75}

/* ===== 适用场景 ===== */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.scene{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;
}
.scene:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.scene__media{aspect-ratio:16/10;background:var(--grad-soft);overflow:hidden}
.scene__media img{width:100%;height:100%;object-fit:cover}
.scene__body{padding:22px 24px 26px;flex:1;display:flex;flex-direction:column}
.scene__body h3{font-size:18px;margin-bottom:10px}
.scene__body p{font-size:14px;color:var(--muted);line-height:1.8}
.scene__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--pill);background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:600;
}

/* ===== FAQ ===== */
.faq{display:grid;gap:12px;max-width:900px}
.faq__item{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq__item:hover{box-shadow:var(--sh-1)}
.faq__item.is-open{border-color:rgba(108,76,241,.4);box-shadow:var(--sh-2)}
.faq__q{
  display:flex;width:100%;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:18px 24px;text-align:left;
  font-size:17px;font-weight:600;line-height:1.6;
}
.faq__q:hover{color:var(--brand)}
.faq__icon{position:relative;width:22px;height:22px;flex:none;color:var(--brand)}
.faq__icon::before,.faq__icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:currentColor;border-radius:2px;transform:translate(-50%,-50%);
}
.faq__icon::before{width:14px;height:2px}
.faq__icon::after{width:2px;height:14px;transition:transform .25s ease,opacity .25s ease}
.faq__item.is-open .faq__icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq__a p{padding:0 24px 22px;font-size:16px;color:var(--muted);line-height:1.85}

/* ===== CTA ===== */
.cta{padding:var(--sec-gap) 0 0}
.cta__card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);padding:52px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;
  gap:34px;align-items:center;
  box-shadow:var(--sh-3);
}
.cta__card::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-3.png") center/cover no-repeat;
  opacity:.16;
}
.cta__body{position:relative;z-index:2;color:#fff}
.cta__body h2{color:#fff;font-size:30px}
.cta__body p{margin-top:12px;max-width:620px;color:rgba(255,255,255,.88);font-size:16px}
.cta__actions{position:relative;z-index:2;display:flex;flex-direction:column;gap:12px}

/* ===== 页脚 ===== */
.footer{
  margin-top:var(--sec-gap);
  background:var(--card);border-top:1px solid var(--line);
  padding:56px 0 26px;
}
.footer__grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;
}
.footer__brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;margin-bottom:14px}
.footer__brand .brand__mark{width:34px;height:34px;border-radius:11px;font-size:13px}
.footer p{font-size:14px;color:var(--muted);line-height:1.8;max-width:320px}
.footer h4{font-size:15px;margin-bottom:14px}
.footer__list{display:grid;gap:10px}
.footer__list a{font-size:14px;color:var(--muted);transition:color .2s ease}
.footer__list a:hover{color:var(--brand)}
.footer__bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#8A86A0;
}

/* ===== 响应式 ===== */
@media (max-width:1200px){
  :root{--sec-gap:76px}
  .hero h1{font-size:38px}
}
@media (max-width:992px){
  .app{grid-template-columns:88px minmax(0,1fr)}
  .sidenav{padding:22px 12px 18px;align-items:center}
  .brand{justify-content:center;padding:0}
  .brand__text{display:none}
  .nav-link{justify-content:center;padding:0;width:52px}
  .nav-txt{
    position:absolute;width:1px;height:1px;overflow:hidden;
    clip:rect(0 0 0 0);white-space:nowrap;
  }
  .sidenav__cta{display:none}
  .hero__card{padding:44px}
  .hero h1{font-size:34px}
  .locate{grid-template-columns:minmax(0,1fr);gap:22px;padding:30px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta__card{grid-template-columns:minmax(0,1fr);padding:44px}
  .cta__actions{flex-direction:row;flex-wrap:wrap}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  :root{--sec-gap:56px}
  .app{display:block}
  .topbar{display:flex}
  .sidenav{
    position:fixed;left:0;top:0;bottom:0;
    width:284px;height:100vh;padding:22px 18px;
    align-items:stretch;
    transform:translateX(-105%);
    transition:transform .28s ease;
    box-shadow:var(--sh-3);
  }
  .sidenav.is-open{transform:translateX(0)}
  .sidenav .brand{justify-content:flex-start;padding:2px 6px 0}
  .sidenav .brand__text{display:block}
  .sidenav .nav-link{justify-content:flex-start;padding:0 14px;width:auto}
  .sidenav .nav-txt{position:static;width:auto;height:auto;clip:auto;overflow:visible}
  .sidenav__cta{display:block}
  .container{padding:0 16px}
  .hero{padding-top:20px}
  .hero__card{grid-template-columns:minmax(0,1fr);padding:30px 24px;gap:28px}
  .hero h1{font-size:30px}
  .hero__sub{font-size:15px}
  .hero__actions{gap:10px}
  .hero__actions .btn{flex:1 1 100%}
  .hero__badges{gap:10px}
  .stat{flex:1 1 30%;min-width:0;padding:10px 14px}
  .stat__num{font-size:20px}
  h2{font-size:24px}
  .locate{padding:24px 20px}
  .search{flex-direction:column}
  .search .btn{width:100%}
  .entry{grid-template-columns:44px minmax(0,1fr);gap:12px;padding:16px 18px}
  .entry__side{grid-column:2;justify-content:flex-start;margin-top:6px}
  .entry__name{font-size:17px}
  .steps,.scene-grid{grid-template-columns:minmax(0,1fr)}
  .cta__card{padding:32px 24px}
  .cta__body h2{font-size:24px}
  .cta__actions .btn{width:100%}
  .footer{padding:44px 0 22px}
  .footer__grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .footer__bottom{flex-direction:column;gap:8px}
}
@media (max-width:480px){
  .hero h1{font-size:26px}
  .stat{flex:1 1 100%}
  .faq__q{font-size:16px;padding:16px 18px}
  .faq__a p{padding:0 18px 20px;font-size:15px}
}

/* roulang page: category4 */
:root{
  --primary:#6C4CF1;
  --primary-d:#5231DB;
  --coral:#FF6B57;
  --teal:#12B8A6;
  --yellow:#FFC93C;
  --bg:#F7F5FF;
  --surface:#FFFFFF;
  --text:#1B1730;
  --text-2:#5C5872;
  --line:#E7E3F7;
  --tint:#F1ECFF;
  --dark:#1B1730;
  --grad:linear-gradient(135deg,#6C4CF1 0%,#FF6B57 100%);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh1:0 6px 20px rgba(27,23,48,.06);
  --sh2:0 14px 34px rgba(108,76,241,.18);
  --sh3:0 24px 60px rgba(27,23,48,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-d)}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ===== 布局骨架 ===== */
.app{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100vh}
.main{min-width:0;display:flex;flex-direction:column}
main{padding-bottom:8px}

/* ===== 左侧导航 ===== */
.sidenav{
  position:sticky;top:0;height:100vh;
  background:var(--surface);
  border-right:1px solid var(--line);
  padding:22px 16px 20px;
  display:flex;flex-direction:column;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;padding:2px 4px 6px;min-width:0}
.brand__mark{
  width:38px;height:38px;flex:none;border-radius:12px;
  background:var(--grad);color:#fff;font-weight:700;font-size:14px;
  display:grid;place-items:center;letter-spacing:.02em;
}
.brand__name{font-weight:700;font-size:16px;color:var(--text);white-space:nowrap}
.brand__sub{display:block;font-size:11px;color:var(--text-2);font-weight:400;line-height:1.4}
.sidenav__nav{flex:1;min-height:0;overflow:auto}
.nav-list{display:flex;flex-direction:column;gap:5px}
.nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:12px;
  color:var(--text-2);font-size:15px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-link:hover{background:var(--tint);color:var(--primary)}
.nav-link:active{transform:translateY(1px)}
.nav-link.is-active{background:var(--tint);color:var(--primary);font-weight:600}
.nav-link.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--grad);
}
.nav-ico{width:20px;height:20px;flex:none;display:grid;place-items:center}
.nav-ico svg{width:18px;height:18px;fill:currentColor;display:block}
.nav-txt{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidenav__cta{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:linear-gradient(160deg,#F7F4FF,#FFF2EE);
  padding:16px 14px;
}
.sidenav__cta strong{display:block;font-size:14px;margin-bottom:4px}
.sidenav__cta p{font-size:12px;color:var(--text-2);line-height:1.65;margin-bottom:10px}
.sidenav__cta .btn{width:100%;padding:10px 14px;font-size:14px}

/* ===== 移动端顶栏与抽屉 ===== */
.topbar{
  display:none;position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  padding:12px 16px;align-items:center;justify-content:space-between;gap:12px;
}
.topbar .brand__mark{width:34px;height:34px;font-size:13px;border-radius:10px}
.topbar__title{font-weight:700;font-size:15px}
.burger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);display:grid;place-items:center;gap:4px;cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.2s}
.burger:hover{background:var(--tint);border-color:#CFC4FA}
.burger:active{transform:translateY(1px)}
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--surface);
  padding:20px 18px;overflow:auto;transform:translateX(102%);
  transition:transform .28s ease;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}
.drawer__close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--surface);
  color:var(--text-2);font-size:20px;line-height:1;cursor:pointer;transition:.2s;
}
.drawer__close:hover{background:var(--tint);color:var(--primary)}
.drawer .nav-link{padding:14px 12px;font-size:16px}
.drawer__foot{margin-top:24px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--text-2)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(108,76,241,.28)}
.btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 36px rgba(108,76,241,.4)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:var(--surface);color:var(--primary);border-color:#CFC4FA}
.btn--ghost:hover{background:var(--tint);color:var(--primary-d);transform:translateY(-2px)}
.btn--ghost:active{transform:translateY(0)}
.btn--white{background:#fff;color:var(--primary);box-shadow:0 10px 26px rgba(27,23,48,.16)}
.btn--white:hover{color:var(--primary-d);transform:translateY(-2px);box-shadow:0 16px 34px rgba(27,23,48,.24)}
.btn--line{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.55)}
.btn--line:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px)}
.btn--sm{padding:9px 18px;font-size:14px}

/* ===== 板块与标题 ===== */
.section{padding:44px 0}
.section:first-child{padding-top:32px}
.sec-head{max-width:760px;margin-bottom:30px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--tint);color:var(--primary);
  border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad)}
h1{font-size:44px}
h2{font-size:32px}
h3{font-size:18px}
.sec-sub{margin-top:12px;color:var(--text-2);font-size:16px;line-height:1.8}

/* ===== Hero ===== */
.hero{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--sh3)}
.hero__bg{
  position:absolute;inset:0;
  background-image:linear-gradient(130deg,rgba(64,36,180,.92) 0%,rgba(108,76,241,.86) 45%,rgba(255,107,87,.8) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.hero__inner{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:40px;align-items:center;padding:52px}
.hero__text{max-width:600px;color:#fff}
.hero__tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);
  border-radius:999px;padding:7px 16px;font-size:13px;font-weight:600;color:#fff;margin-bottom:20px;
}
.hero__tag i{width:8px;height:8px;border-radius:50%;background:var(--yellow);display:block}
.hero h1{color:#fff;font-size:44px;margin-bottom:18px}
.hero__lead{font-size:17px;line-height:1.85;color:rgba(255,255,255,.9);max-width:560px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero__stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.stat{
  display:flex;align-items:baseline;gap:6px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  border-radius:999px;padding:9px 18px;color:#fff;
}
.stat b{font-size:24px;font-weight:700;line-height:1}
.stat span{font-size:12px;color:rgba(255,255,255,.82)}
.stat em{font-size:13px;font-style:normal;color:rgba(255,255,255,.92)}
.hero__figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:0 24px 56px rgba(20,10,60,.36);
  border:1px solid rgba(255,255,255,.24);aspect-ratio:4/3;background:rgba(255,255,255,.08);
}
.hero__figure img{width:100%;height:100%;object-fit:cover}
.hero__badge{
  position:absolute;left:16px;bottom:16px;
  background:rgba(27,23,48,.72);color:#fff;border-radius:999px;
  padding:8px 16px;font-size:13px;font-weight:600;
}

/* ===== 卡片网格 ===== */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.grid-2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;align-items:center}
.qcard{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  display:flex;flex-direction:column;
}
.qcard:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:#D6CCFB}
.qcard__ico{
  width:44px;height:44px;border-radius:var(--r-sm);display:grid;place-items:center;
  background:linear-gradient(140deg,#EFE9FF,#FFEDE9);color:var(--primary);margin-bottom:16px;
}
.qcard__ico svg{width:22px;height:22px;fill:currentColor}
.qcard h3{font-size:18px;margin-bottom:10px}
.qcard ul{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.qcard li{position:relative;padding-left:16px;font-size:14px;color:var(--text-2);line-height:1.7}
.qcard li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--teal)}
.qcard .link-more{margin-top:auto;font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.qcard .link-more::after{content:"→";transition:transform .2s ease}
.qcard .link-more:hover::after{transform:translateX(4px)}

/* ===== FAQ 折叠 ===== */
.faq{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh1)}
.faq__item+.faq__item{border-top:1px solid var(--line)}
.faq__q{margin:0;font-size:17px;font-weight:600}
.faq__btn{
  width:100%;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 24px;background:none;border:0;text-align:left;color:var(--text);
  font-size:17px;font-weight:600;cursor:pointer;transition:background .2s ease,color .2s ease;
}
.faq__btn:hover{background:#FBFAFF;color:var(--primary)}
.faq__btn:active{background:var(--tint)}
.faq__item.is-open .faq__btn{color:var(--primary)}
.sign{position:relative;width:24px;height:24px;flex:none;border-radius:50%;background:var(--tint)}
.sign::before,.sign::after{content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.sign::before{left:7px;right:7px;top:11px;height:2px}
.sign::after{top:7px;bottom:7px;left:11px;width:2px}
.faq__item.is-open .sign::after{transform:scaleY(0);opacity:0}
.faq__panel{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq__inner{padding:0 24px 22px;font-size:17px;line-height:1.85;color:var(--text-2)}
.faq__inner strong{color:var(--text)}
.faq__note{
  margin-top:12px;display:inline-flex;align-items:center;gap:8px;
  background:#F3FFFD;border:1px solid #C6F1EA;border-radius:10px;padding:8px 14px;
  font-size:13px;color:#0E8E80;
}
.faq__note::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal)}

/* ===== 自查步骤 ===== */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh1);transition:transform .24s ease,box-shadow .24s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh2)}
.step__num{
  width:34px;height:34px;border-radius:10px;background:var(--grad);color:#fff;
  font-size:14px;font-weight:700;display:grid;place-items:center;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2);line-height:1.75}
.statusbar{
  display:inline-flex;align-items:center;gap:8px;background:var(--tint);border-radius:999px;
  padding:6px 14px;font-size:13px;color:var(--primary);font-weight:600;margin-bottom:8px;
}
.statusbar i{width:7px;height:7px;border-radius:50%;background:var(--coral);display:block;box-shadow:0 0 0 4px rgba(255,107,87,.16)}

/* ===== 深色支持面板 ===== */
.dark-panel{
  position:relative;overflow:hidden;background:var(--dark);color:#fff;
  border-radius:var(--r-lg);padding:40px;box-shadow:var(--sh3);
}
.dark-panel::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,76,241,.55),rgba(108,76,241,0) 70%);
}
.dark-panel h2{color:#fff;font-size:30px;margin-bottom:14px}
.dark-panel p{color:rgba(255,255,255,.82);font-size:16px;line-height:1.85;position:relative}
.dark-list{margin-top:24px;display:flex;flex-direction:column;gap:12px;position:relative}
.dark-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.9);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:14px 16px;
}
.dark-list b{
  flex:none;width:24px;height:24px;border-radius:8px;background:rgba(255,255,255,.16);
  font-size:13px;font-weight:700;display:grid;place-items:center;
}
.dark-panel .statusbar{background:rgba(255,255,255,.1);color:#fff;position:relative}
.figure-card{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh2);aspect-ratio:16/11;background:linear-gradient(140deg,#EFE9FF,#FFEDE9);
}
.figure-card img{width:100%;height:100%;object-fit:cover}

/* ===== CTA ===== */
.cta{
  position:relative;overflow:hidden;border-radius:24px;background:var(--grad);color:#fff;
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 20px 46px rgba(108,76,241,.26);
}
.cta::before{
  content:"";position:absolute;left:-60px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.28),rgba(255,255,255,0) 70%);
}
.cta__text{position:relative;max-width:620px}
.cta h2{color:#fff;font-size:32px;margin-bottom:12px}
.cta p{color:rgba(255,255,255,.9);font-size:16px;line-height:1.85}
.cta__actions{position:relative;display:flex;flex-wrap:wrap;gap:14px}

/* ===== 页脚 ===== */
.footer{background:#15122A;color:#B9B3D6;padding:62px 0 26px;margin-top:56px}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer__brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px}
.footer__brand .brand__mark{width:34px;height:34px;border-radius:10px;font-size:13px}
.footer p{font-size:14px;line-height:1.8;color:#9E98C4;max-width:320px}
.footer h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:14px;letter-spacing:.02em}
.footer__list{display:flex;flex-direction:column;gap:10px}
.footer__list a{color:#B9B3D6;font-size:14px;transition:color .2s ease,transform .2s ease;display:inline-block}
.footer__list a:hover{color:#fff;transform:translateX(3px)}
.footer__bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:#8C86B4;
}

/* ===== 断点 ===== */
@media (max-width:1199px){
  .hero__inner{grid-template-columns:1fr;padding:40px}
  .hero__figure{order:2;aspect-ratio:16/9}
  .hero__text{max-width:none}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:991px){
  .app{grid-template-columns:72px minmax(0,1fr)}
  .sidenav{padding:18px 10px;align-items:center}
  .nav-txt,.brand__name,.brand__sub,.sidenav__cta{display:none}
  .nav-link{justify-content:center;padding:12px 8px}
  .brand{justify-content:center}
  h1,.hero h1{font-size:36px}
  h2,.dark-panel h2,.cta h2{font-size:28px}
  .grid-2{grid-template-columns:1fr;gap:24px}
  .figure-card{order:2}
}
@media (max-width:767px){
  .app{grid-template-columns:1fr}
  .sidenav{display:none}
  .topbar{display:flex}
  .container{padding:0 16px}
  .section{padding:28px 0}
  .section:first-child{padding-top:20px}
  h1,.hero h1{font-size:30px}
  h2,.dark-panel h2,.cta h2{font-size:24px}
  .sec-sub{font-size:15px}
  .hero{border-radius:18px}
  .hero__inner{padding:26px 20px;gap:26px}
  .hero__lead{font-size:16px}
  .hero__actions .btn{width:100%}
  .hero__stats{gap:10px}
  .stat{padding:8px 14px}
  .stat b{font-size:20px}
  .grid-4,.steps{grid-template-columns:1fr}
  .qcard,.step{padding:20px}
  .faq__btn{padding:16px 18px;font-size:16px;min-height:56px}
  .faq__inner{padding:0 18px 18px;font-size:16px}
  .dark-panel{padding:26px 20px;border-radius:18px}
  .cta{padding:30px 20px;flex-direction:column;align-items:flex-start;border-radius:18px}
  .cta__actions{width:100%}
  .cta__actions .btn{width:100%}
  .footer{padding:44px 0 22px}
  .footer__grid{grid-template-columns:1fr;gap:26px}
  .footer p{max-width:none}
  .footer__bottom{flex-direction:column}
}
@media (max-width:520px){
  body{font-size:15px}
  .hero__tag{font-size:12px}
  .stat{width:100%;justify-content:flex-start}
  .dark-list li{font-size:14px}
}