/* roulang page: index */
:root{
  --c-ink:#17142A;
  --c-ink-2:#3B3550;
  --c-ink-3:#6C6580;
  --c-brand:#5A3FB0;
  --c-brand-deep:#3F2C86;
  --c-brand-soft:#EFEAFB;
  --c-accent:#E4863A;
  --c-accent-hover:#F09A4E;
  --c-jade:#2C9C82;
  --c-paper:#FAF7F1;
  --c-surface:#FFFFFF;
  --c-line:#E7E1D6;
  --c-line-strong:#D6CEC0;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-block:20px;
  --sh-sm:0 1px 2px rgba(23,20,42,.04);
  --sh-md:0 8px 24px -12px rgba(23,20,42,.12);
  --sh-lg:0 24px 48px -24px rgba(23,20,42,.18);
  --bs-primary:#5A3FB0;
  --bs-primary-rgb:90,63,176;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.88;
  color:var(--c-ink-2);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;color:var(--c-ink);font-weight:700;line-height:1.35;letter-spacing:0;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease-out,border-color .18s ease-out;}
button{font:inherit;cursor:pointer;border:0;background:none;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;}
.container{max-width:1320px;padding-left:20px;padding-right:20px;margin:0 auto;width:100%;}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px;}}
.row{--bs-gutter-x:24px;--bs-gutter-y:24px;}

/* ============ 顶部提示条 ============ */
.topbar{background:var(--c-brand-deep);color:#F1ECFF;font-size:13px;line-height:36px;}
.topbar-inner{display:flex;align-items:center;gap:10px;justify-content:center;position:relative;}
.topbar-dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 4px rgba(228,134,58,.22);flex:0 0 auto;}
.topbar-close{position:absolute;right:0;top:0;line-height:36px;color:#C9BEF0;font-size:19px;padding:0 4px;}
.topbar-close:hover{color:#fff;}
@media (max-width:576px){.topbar{font-size:12px;}.topbar-inner{justify-content:flex-start;padding-right:34px;}}

/* ============ 头部 ============ */
.brand-row{background:var(--c-surface);border-bottom:1px solid var(--c-line);}
.brand-inner{display:flex;align-items:center;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--c-brand) 0%,var(--c-brand-deep) 100%);
  color:#fff;font-weight:700;font-size:20px;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-md);
}
.brand-text{display:flex;align-items:baseline;gap:10px;}
.brand-text strong{font-size:19px;color:var(--c-ink);letter-spacing:0;line-height:1.3;}
.brand-text em{
  font-style:normal;font-size:12.5px;color:var(--c-ink-3);
  padding-left:10px;border-left:1px solid var(--c-line-strong);
}
.header-search{
  flex:1 1 auto;max-width:420px;position:relative;display:flex;align-items:center;
  background:var(--c-paper);border:1px solid var(--c-line-strong);border-radius:999px;
  padding:0 8px 0 16px;height:44px;transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.header-search:focus-within{border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(90,63,176,.12);}
.header-search i{color:var(--c-ink-3);font-size:14px;}
.header-search input{
  flex:1;border:0;background:transparent;outline:none;font-size:14px;color:var(--c-ink);
  padding:0 10px;height:100%;
}
.header-search input::placeholder{color:#9C95AC;}
.brand-actions{display:flex;align-items:center;gap:16px;margin-left:auto;}
.hotline{font-size:14px;color:var(--c-ink-2);font-weight:600;white-space:nowrap;display:inline-flex;align-items:center;gap:7px;}
.hotline i{color:var(--c-brand);}
.hotline:hover{color:var(--c-brand);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line-strong);
  color:var(--c-ink);background:#fff;font-size:17px;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--c-brand-soft);border-color:var(--c-brand);color:var(--c-brand);}

/* 频道行 */
.channel-row{background:var(--c-surface);border-bottom:1px solid var(--c-line);position:sticky;top:0;z-index:1030;}
.channel-inner{display:flex;align-items:center;gap:4px;min-height:52px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;padding:10px 18px;border-radius:999px;font-size:15px;color:var(--c-ink-2);
  white-space:nowrap;font-weight:500;transition:background-color .18s ease-out,color .18s ease-out;
}
.channel-link:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.channel-link.active{background:var(--c-brand-soft);color:var(--c-brand);font-weight:600;}
.channel-link.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-1px;
  width:24px;height:2px;border-radius:2px;background:var(--c-accent);
}
.channel-note{margin-left:auto;font-size:13px;color:var(--c-ink-3);white-space:nowrap;padding-left:16px;}
.channel-note strong{color:var(--c-jade);font-variant-numeric:tabular-nums;}

/* ============ 按钮体系 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15.5px;font-weight:600;line-height:1.4;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.btn-brand{background:var(--c-brand);color:#fff;box-shadow:var(--sh-sm);}
.btn-brand:hover{background:#6B4FC6;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-brand:active{background:var(--c-brand-deep);transform:translateY(0);}
.btn-accent{background:var(--c-accent);color:var(--c-ink);box-shadow:var(--sh-sm);}
.btn-accent:hover{background:var(--c-accent-hover);color:var(--c-ink);transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-accent:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--c-line-strong);color:var(--c-ink);}
.btn-ghost:hover{background:var(--c-brand-soft);border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px);}
.btn-lg{padding:15px 30px;font-size:16.5px;border-radius:12px;}
.btn-block{width:100%;}
.link-underline{color:var(--c-brand);font-weight:600;border-bottom:1px solid rgba(90,63,176,.4);padding-bottom:2px;font-size:15.5px;}
.link-underline:hover{color:var(--c-brand-deep);border-bottom-color:var(--c-brand-deep);}
.link-underline i{font-size:12px;margin-left:4px;}

/* ============ Hero ============ */
.hero{position:relative;padding:72px 0 88px;background:var(--c-surface);overflow:hidden;}
.hero::before{
  content:"";position:absolute;right:-160px;top:-140px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(90,63,176,.10) 0%,rgba(90,63,176,0) 68%);
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;position:relative;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:var(--c-brand-soft);color:var(--c-brand);
  font-size:13px;font-weight:600;padding:7px 16px;border-radius:999px;margin-bottom:22px;
}
.hero-eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-accent);}
.hero h1{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  font-size:48px;line-height:1.25;font-weight:700;letter-spacing:0;margin-bottom:20px;
}
.hero-sub{font-size:18px;line-height:1.85;color:var(--c-ink-2);max-width:36em;margin-bottom:32px;}
.hero-cta{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-bottom:34px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;}
.hero-badges li{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--c-ink-2);
  background:var(--c-paper);border:1px solid var(--c-line);border-radius:999px;padding:8px 16px;
}
.hero-badges i{color:var(--c-jade);font-size:13px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-block);
  background:#EFEAFB;box-shadow:var(--sh-lg);
}
.hero-float{
  position:absolute;left:-28px;bottom:32px;background:#fff;border-radius:14px;
  padding:16px 22px;box-shadow:var(--sh-md);border:1px solid var(--c-line);min-width:172px;
}
.hero-float .float-num{font-size:38px;font-weight:700;color:var(--c-brand);font-variant-numeric:tabular-nums;line-height:1;}
.hero-float .float-unit{font-size:14px;color:var(--c-ink-3);margin-left:4px;}
.hero-float p{font-size:13.5px;color:var(--c-ink-3);margin:8px 0 0;line-height:1.6;}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-alt{background:var(--c-surface);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;}
.section-head h2{font-size:30px;line-height:1.35;}
.section-head .sub{font-size:15px;color:var(--c-ink-3);margin:10px 0 0;}
.section-head .more{color:var(--c-brand);font-size:14.5px;font-weight:600;white-space:nowrap;padding-bottom:6px;}
.section-head .more:hover{color:var(--c-brand-deep);}
.section-head .more i{font-size:12px;margin-left:5px;}

/* ============ 指标看板 ============ */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.metric-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px 24px;position:relative;overflow:hidden;box-shadow:var(--sh-sm);
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.metric-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--c-brand);}
.metric-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);}
.metric-num{font-size:44px;line-height:1;font-weight:700;color:var(--c-ink);font-variant-numeric:tabular-nums;}
.metric-num small{font-size:15px;font-weight:600;color:var(--c-ink-3);margin-left:6px;}
.metric-label{font-size:16px;font-weight:600;color:var(--c-ink);margin:16px 0 6px;}
.metric-desc{font-size:13.5px;color:var(--c-ink-3);line-height:1.7;margin:0;}
.metric-tag{
  display:inline-flex;align-items:center;gap:5px;font-size:12.5px;font-weight:600;
  border-radius:999px;padding:4px 11px;margin-top:16px;
}
.tag-up{background:rgba(44,156,130,.12);color:var(--c-jade);}
.tag-flat{background:rgba(108,101,128,.12);color:var(--c-ink-3);}

/* ============ 服务矩阵 ============ */
.svc-main{
  background:var(--c-brand-soft);border-radius:var(--r-block);padding:34px;height:100%;
  display:grid;grid-template-columns:1.05fr 1fr;gap:32px;align-items:center;
}
.svc-main h3{font-size:22px;margin-bottom:12px;}
.svc-main p{font-size:15px;color:var(--c-ink-2);}
.svc-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--c-ink-2);margin-bottom:12px;line-height:1.75;}
.svc-points li:last-child{margin-bottom:0;}
.svc-points i{color:var(--c-brand);font-size:15px;margin-top:5px;flex:0 0 auto;}
.svc-main img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);background:#EFEAFB;}
.svc-side{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-block);
  padding:30px;height:100%;display:flex;flex-direction:column;box-shadow:var(--sh-sm);
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.svc-side:hover{transform:translateY(-2px);box-shadow:var(--sh-md);}
.svc-side .side-icon{
  width:46px;height:46px;border-radius:13px;background:var(--c-brand-soft);color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:18px;
}
.svc-side h3{font-size:19px;margin-bottom:10px;}
.svc-side p{font-size:14.5px;color:var(--c-ink-3);line-height:1.8;}
.svc-side .side-link{margin-top:auto;padding-top:18px;color:var(--c-brand);font-weight:600;font-size:14.5px;}
.svc-side .side-link:hover{color:var(--c-brand-deep);}
.svc-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;height:100%;box-shadow:var(--sh-sm);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.svc-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:var(--c-line-strong);}
.svc-card .card-icon{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--c-paper);border:1px solid var(--c-line);color:var(--c-brand);font-size:17px;margin-bottom:16px;
}
.svc-card h3{font-size:18px;margin-bottom:9px;}
.svc-card p{font-size:14.5px;color:var(--c-ink-3);line-height:1.8;margin-bottom:14px;}
.svc-card .card-link{font-size:14px;color:var(--c-brand);font-weight:600;}
.svc-card .card-link:hover{color:var(--c-brand-deep);}

/* ============ 最新信息 / CMS 列表 ============ */
.cms-latest-list{display:flex;flex-direction:column;gap:18px;}
.cms-feature{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-sm);transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.cms-feature:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:var(--c-line-strong);}
.cms-feature-img{width:100%;aspect-ratio:16/7;object-fit:cover;background:#EFEAFB;}
.cms-feature-body{padding:24px 26px 26px;}
.cms-feature h3{font-size:21px;line-height:1.5;margin:12px 0 10px;}
.cms-feature h3 a:hover{color:var(--c-brand);}
.cms-feature p{font-size:15px;color:var(--c-ink-3);line-height:1.85;}
.cms-row{
  display:flex;gap:18px;align-items:center;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:18px 22px;box-shadow:var(--sh-sm);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.cms-row:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:var(--c-line-strong);}
.cms-row-body{flex:1;min-width:0;}
.cms-row h4{font-size:17.5px;font-weight:600;line-height:1.55;margin:9px 0 7px;}
.cms-row h4 a:hover{color:var(--c-brand);}
.cms-row p{
  font-size:14px;color:var(--c-ink-3);line-height:1.75;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-row-time{font-size:13px;color:var(--c-ink-3);white-space:nowrap;font-variant-numeric:tabular-nums;align-self:flex-start;padding-top:4px;}
.badge-cat{
  display:inline-flex;align-items:center;background:var(--c-brand-soft);color:var(--c-brand);
  font-size:13px;font-weight:600;border-radius:999px;padding:4px 13px;line-height:1.6;
}
.cms-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--c-ink-3);}
.cms-empty{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:var(--c-paper);border:1px dashed var(--c-line-strong);border-radius:var(--r-card);
  color:var(--c-ink-3);font-size:15px;text-align:center;padding:32px;
}
.cms-empty i{font-size:30px;color:var(--c-brand);opacity:.6;}
.cms-empty .btn{margin-top:6px;}
.side-block{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;margin-bottom:24px;box-shadow:var(--sh-sm);
}
.side-block:last-child{margin-bottom:0;}
.side-block h4{font-size:16.5px;margin-bottom:16px;}
.side-list li{border-bottom:1px dashed var(--c-line);padding-bottom:12px;margin-bottom:12px;}
.side-list li:last-child{border-bottom:0;padding-bottom:0;margin-bottom:0;}
.side-list a{font-size:14.5px;color:var(--c-ink-2);display:flex;justify-content:space-between;gap:10px;}
.side-list a:hover{color:var(--c-brand);}
.side-list span{font-size:12.5px;color:var(--c-ink-3);font-variant-numeric:tabular-nums;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-cloud a{
  font-size:13px;color:var(--c-ink-2);background:var(--c-paper);border:1px solid var(--c-line);
  border-radius:999px;padding:6px 14px;
}
.tag-cloud a:hover{background:var(--c-brand-soft);color:var(--c-brand);border-color:rgba(90,63,176,.35);}
.subscribe-card{background:var(--c-brand-soft);}
.subscribe-card h4{color:var(--c-brand-deep);}
.subscribe-card p{font-size:14px;color:var(--c-ink-2);margin-bottom:16px;line-height:1.8;}

/* ============ 结果对比 ============ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch;}
.compare-card{border-radius:var(--r-block);padding:32px;}
.compare-old{background:var(--c-paper);border:1px solid var(--c-line);}
.compare-new{background:var(--c-surface);border:2px solid var(--c-brand);box-shadow:var(--sh-md);}
.compare-card h3{font-size:20px;margin-bottom:6px;}
.compare-card .compare-note{font-size:13.5px;color:var(--c-ink-3);margin-bottom:22px;}
.compare-list li{display:flex;gap:14px;align-items:flex-start;font-size:15px;line-height:1.8;padding:12px 0;border-bottom:1px dashed var(--c-line);}
.compare-list li:last-child{border-bottom:0;}
.compare-list i{width:28px;flex:0 0 28px;text-align:center;font-size:15px;margin-top:6px;}
.compare-old .compare-list li{color:var(--c-ink-3);}
.compare-old .compare-list i{color:#B4ADBE;}
.compare-new .compare-list li{color:var(--c-ink);}
.compare-new .compare-list i{color:var(--c-jade);}
.progress-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:32px;}
.strip-item{border-radius:var(--r-card);padding:22px 24px;color:#fff;}
.strip-item:nth-child(1){background:var(--c-brand);}
.strip-item:nth-child(2){background:var(--c-accent);color:var(--c-ink);}
.strip-item:nth-child(3){background:var(--c-jade);}
.strip-item .strip-num{font-size:34px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums;}
.strip-item .strip-num small{font-size:14px;font-weight:600;margin-left:5px;opacity:.85;}
.strip-item p{font-size:14px;margin:12px 0 0;line-height:1.7;}
.strip-item .strip-label{font-size:15px;font-weight:600;margin-top:10px;display:block;}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;margin:0 auto;}
.faq-wrap .accordion-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  margin-bottom:10px;overflow:hidden;box-shadow:var(--sh-sm);
}
.faq-wrap .accordion-button{
  font-size:17px;font-weight:600;color:var(--c-ink);background:var(--c-surface);
  padding:20px 24px;box-shadow:none;line-height:1.6;position:relative;
}
.faq-wrap .accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--c-brand);width:auto;height:auto;transition:transform .2s ease-out;
}
.faq-wrap .accordion-button:not(.collapsed){color:var(--c-brand);background:var(--c-surface);}
.faq-wrap .accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.faq-wrap .accordion-button:focus{box-shadow:none;}
.faq-wrap .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--c-accent);
}
.faq-wrap .accordion-body{padding:0 24px 22px;font-size:15.5px;line-height:1.85;color:var(--c-ink-2);}

/* ============ 转化表单 ============ */
.contact-band{background:var(--c-surface);}
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start;}
.contact-copy h2{font-size:30px;margin-bottom:16px;}
.contact-copy p{font-size:15.5px;color:var(--c-ink-2);}
.trust-list{margin:26px 0 28px;}
.trust-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--c-ink-2);margin-bottom:14px;line-height:1.8;}
.trust-list i{color:var(--c-jade);font-size:15px;margin-top:6px;}
.contact-info{border-top:1px solid var(--c-line);padding-top:22px;font-size:14.5px;color:var(--c-ink-3);line-height:2;}
.contact-info strong{color:var(--c-ink);font-weight:600;}
.form-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-block);
  padding:36px;box-shadow:var(--sh-lg);
}
.form-card h3{font-size:20px;margin-bottom:8px;}
.form-card .form-hint{font-size:14px;color:var(--c-ink-3);margin-bottom:26px;}
.form-field{margin-bottom:20px;}
.form-field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:9px;}
.form-field label .req{color:var(--c-accent);margin-left:3px;}
.form-control,.form-select{
  height:46px;border-radius:var(--r-input);border:1px solid var(--c-line-strong);
  background:var(--c-paper);font-size:15px;color:var(--c-ink);padding:0 15px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out;
}
textarea.form-control{height:auto;min-height:118px;padding:13px 15px;line-height:1.8;resize:vertical;}
.form-control:focus,.form-select:focus{
  background:#fff;border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(90,63,176,.13);outline:none;
}
.form-control::placeholder{color:#9C95AC;}
.form-check-input{width:18px;height:18px;margin-top:4px;border-color:var(--c-line-strong);}
.form-check-input:checked{background-color:var(--c-brand);border-color:var(--c-brand);}
.form-check-input:focus{border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(90,63,176,.13);}
.form-check-label{font-size:14px;color:var(--c-ink-2);line-height:1.75;}
.form-check-label a{color:var(--c-brand);border-bottom:1px solid rgba(90,63,176,.4);}
.field-error{display:none;font-size:13px;color:#C0392B;margin-top:7px;}
.is-invalid-soft{border-color:#C0392B !important;background:#FDF4F2 !important;}
.form-alert{
  display:none;background:rgba(44,156,130,.10);border:1px solid rgba(44,156,130,.35);
  color:#1F7A66;border-radius:var(--r-input);padding:13px 16px;font-size:14.5px;margin-bottom:20px;
}
.form-alert.show{display:block;}
.form-submit{margin-top:8px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:#CFC9DE;padding:76px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .fb-logo{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .fb-logo span.mark{
  width:40px;height:40px;border-radius:12px;background:linear-gradient(140deg,var(--c-brand) 0%,#7A5ED8 100%);
  color:#fff;font-weight:700;font-size:19px;display:flex;align-items:center;justify-content:center;
}
.footer-brand .fb-logo strong{color:#fff;font-size:17px;line-height:1.35;}
.footer-brand p{font-size:14px;line-height:1.85;color:#A79FBE;margin-bottom:18px;}
.footer-brand .fb-contact{font-size:14px;line-height:2;color:#A79FBE;}
.footer-brand .fb-contact strong{color:#fff;font-weight:600;}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:18px;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14px;color:#A79FBE;}
.footer-col a:hover{color:var(--c-accent);}
.footer-sub p{font-size:14px;color:#A79FBE;margin-bottom:16px;line-height:1.85;}
.footer-sub .sub-input{
  display:flex;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-input);overflow:hidden;
}
.footer-sub .sub-input input{
  flex:1;background:transparent;border:0;outline:none;color:#fff;font-size:14px;padding:12px 14px;min-width:0;
}
.footer-sub .sub-input input::placeholder{color:#8D86A4;}
.footer-sub .sub-input button{
  background:var(--c-accent);color:var(--c-ink);font-size:14px;font-weight:600;padding:0 18px;
  transition:background-color .18s ease-out;
}
.footer-sub .sub-input button:hover{background:var(--c-accent-hover);}
.footer-qr{display:flex;align-items:center;gap:14px;margin-top:20px;}
.footer-qr .qr-box{
  width:76px;height:76px;border-radius:12px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;
  color:#A79FBE;font-size:22px;flex:0 0 auto;
}
.footer-qr span{font-size:13px;color:#A79FBE;line-height:1.7;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.10);padding:24px 0;
  display:flex;flex-wrap:wrap;gap:12px 26px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:#8D86A4;
}
.footer-bottom a{color:#A79FBE;}
.footer-bottom a:hover{color:var(--c-accent);}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}

/* ============ 移动端导航抽屉 ============ */
.offcanvas{background:#fff;}
.offcanvas-header{border-bottom:1px solid var(--c-line);}
.offcanvas-title{font-size:17px;font-weight:700;color:var(--c-ink);}
.drawer-group-title{font-size:13px;color:var(--c-ink-3);margin:22px 0 12px;letter-spacing:0;}
.drawer-link{
  display:block;padding:13px 16px;border-radius:12px;font-size:15.5px;color:var(--c-ink-2);
  border:1px solid var(--c-line);margin-bottom:10px;background:var(--c-paper);
}
.drawer-link.active{background:var(--c-brand-soft);color:var(--c-brand);border-color:rgba(90,63,176,.3);font-weight:600;}
.drawer-search{position:relative;display:flex;align-items:center;background:var(--c-paper);border:1px solid var(--c-line-strong);border-radius:999px;height:44px;padding:0 16px;margin-top:8px;}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14.5px;color:var(--c-ink);}
.drawer-cta{margin-top:24px;}

/* ============ 响应式 ============ */
@media (max-width:1399px){
  .hero h1{font-size:44px;}
}
@media (max-width:1199px){
  .section{padding:80px 0;}
  .hero{padding:60px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-media{order:-1;}
  .hero-float{left:auto;right:20px;bottom:20px;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .svc-main{grid-template-columns:1fr;gap:24px;}
  .contact-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-sub{grid-column:1/-1;}
}
@media (max-width:991px){
  .header-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .channel-row{position:static;}
  .channel-note{display:none;}
  .compare-grid{grid-template-columns:1fr;gap:18px;}
  .progress-strip{grid-template-columns:1fr;gap:14px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:32px;}
  .section-head h2{font-size:26px;}
  .brand-text em{display:none;}
  .brand-text strong{font-size:17px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .hero{padding:40px 0 56px;}
  .hero h1{font-size:31px;}
  .hero-sub{font-size:16.5px;}
  .hero-cta{gap:16px;}
  .hero-cta .btn{width:100%;}
  .hero-cta .link-underline{width:100%;text-align:center;}
  .hero-float{position:static;margin-top:16px;display:flex;align-items:center;gap:12px;padding:14px 18px;}
  .hero-float p{margin:0;}
  .metric-grid{grid-template-columns:1fr;}
  .metric-num{font-size:38px;}
  .svc-main{padding:24px;}
  .cms-row{flex-direction:column;align-items:flex-start;gap:12px;}
  .cms-row-time{align-self:flex-start;padding-top:0;}
  .cms-feature-img{aspect-ratio:16/9;}
  .form-card{padding:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1/-1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .section-head h2{font-size:23px;}
  .contact-copy h2{font-size:24px;}
}
@media (max-width:575px){
  .brand-inner{min-height:64px;gap:12px;}
  .brand-mark{width:38px;height:38px;font-size:18px;border-radius:11px;}
  .hotline{display:none;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-badges li{font-size:12.5px;padding:7px 13px;}
}

/* roulang page: article */
:root{
  --c-ink:#17142A;
  --c-ink-2:#3B3550;
  --c-ink-3:#6C6580;
  --c-brand:#5A3FB0;
  --c-brand-deep:#3F2C86;
  --c-brand-soft:#EFEAFB;
  --c-accent:#E4863A;
  --c-accent-hover:#F09A4E;
  --c-jade:#2C9C82;
  --c-paper:#FAF7F1;
  --c-surface:#FFFFFF;
  --c-line:#E7E1D6;
  --c-line-strong:#D6CEC0;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-box:20px;
  --sh-sm:0 1px 2px rgba(23,20,42,.04);
  --sh-md:0 8px 24px -12px rgba(23,20,42,.12);
  --sh-lg:0 24px 48px -24px rgba(23,20,42,.18);
  --font-sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink-2);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out;}
a:hover{color:var(--c-brand-deep);}
h1,h2,h3,h4,h5{color:var(--c-ink);margin:0;letter-spacing:.2px;font-weight:700;}
p{margin:0 0 1.2em;}
ul,ol{margin:0 0 1.2em;padding-left:1.4em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1320px;margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;padding:0 22px;height:46px;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .18s ease-out;}
.btn:active{transform:translateY(0);}
.btn-accent{background:var(--c-accent);color:var(--c-ink);box-shadow:var(--sh-sm);}
.btn-accent:hover{background:var(--c-accent-hover);color:var(--c-ink);transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-brand{background:var(--c-brand);color:#fff;}
.btn-brand:hover{background:var(--c-brand-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-ghost{background:var(--c-surface);border-color:var(--c-line-strong);color:var(--c-ink);}
.btn-ghost:hover{background:var(--c-brand-soft);border-color:var(--c-brand);color:var(--c-brand-deep);transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--c-brand);text-decoration:underline;text-underline-offset:3px;}
.link-arrow:hover{color:var(--c-brand-deep);gap:10px;}

/* ---------- 顶部提示条 ---------- */
.top-strip{background:var(--c-brand-deep);color:#fff;font-size:13px;line-height:36px;height:36px;}
.strip-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.strip-inner i{color:var(--c-accent-hover);margin-right:6px;}
.strip-close{background:transparent;border:0;color:#CFC9DE;font-size:18px;line-height:1;cursor:pointer;padding:4px 6px;}
.strip-close:hover{color:#fff;}

/* ---------- 头部 ---------- */
.site-header{background:var(--c-surface);border-bottom:1px solid var(--c-line);position:sticky;top:0;z-index:60;}
.site-header.is-stuck{box-shadow:var(--sh-md);}
.brand-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--c-brand),var(--c-brand-deep));
  color:#fff;font-family:var(--font-serif);font-size:22px;font-weight:700;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-sm);}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:18px;color:var(--c-ink);font-weight:700;letter-spacing:.3px;}
.brand-text em{font-style:normal;font-size:12.5px;color:var(--c-ink-3);letter-spacing:.4px;}
.brand-search{flex:1 1 auto;max-width:420px;position:relative;}
.brand-search i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--c-ink-3);font-size:14px;}
.brand-search input{width:100%;height:42px;border-radius:999px;border:1px solid var(--c-line-strong);
  background:var(--c-paper);padding:0 18px 0 42px;font-size:14px;color:var(--c-ink);}
.brand-search input::placeholder{color:var(--c-ink-3);}
.brand-search input:focus{outline:none;border-color:var(--c-brand);background:#fff;
  box-shadow:0 0 0 4px rgba(90,63,176,.12);}
.brand-actions{display:flex;align-items:center;gap:16px;margin-left:auto;}
.hotline{font-size:14px;color:var(--c-ink-2);font-weight:600;white-space:nowrap;}
.hotline i{color:var(--c-accent);margin-right:6px;}
.hotline:hover{color:var(--c-brand);}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line-strong);
  background:var(--c-surface);color:var(--c-ink);font-size:17px;cursor:pointer;}
.nav-toggle:hover{background:var(--c-brand-soft);border-color:var(--c-brand);}

/* ---------- 频道行 ---------- */
.channel-row{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.channel-inner{display:flex;align-items:center;gap:4px;height:52px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{position:relative;padding:10px 18px;border-radius:999px;font-size:14.5px;font-weight:600;
  color:var(--c-ink-2);white-space:nowrap;transition:background-color .18s ease-out,color .18s ease-out,transform .18s ease-out;}
.channel-link:hover{background:var(--c-paper);color:var(--c-brand);transform:translateY(-1px);}
.channel-link.active{background:var(--c-brand-soft);color:var(--c-brand);}
.channel-link.active::after{content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:22px;height:2px;border-radius:2px;background:var(--c-accent);}
.channel-note{margin-left:auto;font-size:13px;color:var(--c-ink-3);white-space:nowrap;padding-left:16px;}
.channel-note strong{color:var(--c-jade);font-variant-numeric:tabular-nums;}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{display:none;background:#fff;border-bottom:1px solid var(--c-line);padding:18px 0 24px;}
.mobile-drawer.open{display:block;}
.dr-title{font-size:13px;color:var(--c-ink-3);letter-spacing:.6px;margin:0 0 10px;}
.dr-link{display:block;padding:12px 4px;font-size:15.5px;font-weight:600;color:var(--c-ink-2);border-bottom:1px solid var(--c-line);}
.dr-link.active{color:var(--c-brand);}
.dr-link:hover{color:var(--c-brand);}
.dr-foot{margin-top:18px;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 面包屑 ---------- */
.page-main{padding:36px 0 0;}
.breadcrumb-nav{font-size:13px;color:var(--c-ink-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:22px;}
.breadcrumb-nav a{color:var(--c-ink-3);}
.breadcrumb-nav a:hover{color:var(--c-brand);}
.breadcrumb-nav .sep{color:var(--c-line-strong);}
.breadcrumb-nav .current{color:var(--c-ink-2);}

/* ---------- 文章头 ---------- */
.article-hero{padding-bottom:24px;border-bottom:1px solid var(--c-line);}
.badge-cat{display:inline-flex;align-items:center;gap:6px;background:var(--c-brand-soft);color:var(--c-brand);
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:16px;}
.article-hero h1{font-family:var(--font-serif);font-size:36px;line-height:1.4;margin-bottom:18px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--c-ink-3);}
.article-meta i{margin-right:5px;color:var(--c-line-strong);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--c-line-strong);display:inline-block;}

/* ---------- 布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px;padding:48px 0 0;}

/* ---------- 正文排版 ---------- */
.article-body{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-box);
  padding:44px 46px;box-shadow:var(--sh-sm);max-width:100%;}
.article-body>*{max-width:800px;}
.article-body p{font-size:17px;line-height:1.95;color:var(--c-ink-2);margin:0 0 1.3em;}
.article-body h2{font-size:27px;line-height:1.4;margin:2em 0 .8em;padding-left:16px;position:relative;}
.article-body h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--c-brand);}
.article-body h3{font-size:20px;line-height:1.5;margin:1.7em 0 .7em;}
.article-body h4{font-size:17.5px;margin:1.5em 0 .6em;}
.article-body a{color:var(--c-brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--c-accent);}
.article-body ul,.article-body ol{font-size:17px;line-height:1.9;padding-left:1.5em;margin:0 0 1.4em;}
.article-body li{margin-bottom:.5em;}
.article-body li::marker{color:var(--c-brand);}
.article-body blockquote{background:var(--c-brand-soft);border-left:4px solid var(--c-brand);border-radius:0 12px 12px 0;
  padding:20px 24px;margin:1.6em 0;color:var(--c-ink-2);font-size:16.5px;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:1.6em auto;width:100%;background:#EFEAFB;}
.article-body figure{margin:1.8em 0;}
.article-body figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;font-size:15.5px;margin:1.6em 0;
  border:1px solid var(--c-line);border-radius:12px;overflow:hidden;}
.article-body th{background:var(--c-brand-soft);color:var(--c-ink);font-weight:600;text-align:left;padding:12px 16px;font-size:14.5px;}
.article-body td{padding:12px 16px;border-top:1px solid var(--c-line);color:var(--c-ink-2);}
.article-body pre{background:var(--c-paper);border:1px solid var(--c-line);border-radius:12px;padding:18px 20px;
  overflow-x:auto;font-size:14px;line-height:1.75;margin:1.6em 0;}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14.5px;
  background:var(--c-paper);border:1px solid var(--c-line);border-radius:6px;padding:1px 6px;color:var(--c-brand-deep);}
.article-body pre code{background:transparent;border:0;padding:0;color:var(--c-ink-2);}
.article-empty{text-align:center;padding:60px 20px;background:var(--c-paper);border:1px dashed var(--c-line-strong);border-radius:var(--r-card);}
.article-empty i{font-size:34px;color:var(--c-line-strong);display:block;margin-bottom:16px;}
.article-empty h2{font-size:22px;margin-bottom:12px;padding:0;}
.article-empty h2::before{display:none;}
.article-empty p{font-size:15.5px;color:var(--c-ink-3);margin-bottom:22px;}

/* ---------- 标签 ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:32px 0 0;}
.tag-row .tag-label{font-size:13px;color:var(--c-ink-3);}
.tag-chip{display:inline-flex;align-items:center;font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;
  background:var(--c-paper);border:1px solid var(--c-line);color:var(--c-ink-2);}
.tag-chip:hover{background:var(--c-brand-soft);border-color:var(--c-brand);color:var(--c-brand);}

/* ---------- 上下篇 ---------- */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:40px;}
.post-nav a{display:flex;flex-direction:column;gap:6px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--sh-sm);transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;}
.post-nav a:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:var(--c-brand);}
.post-nav .pn-label{font-size:12.5px;color:var(--c-ink-3);letter-spacing:.5px;}
.post-nav .pn-title{font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.55;}
.post-nav .pn-muted{color:var(--c-ink-3);font-weight:500;}
.post-nav .pn-right{text-align:right;align-items:flex-end;}

/* ---------- 相关推荐 ---------- */
.related-block{margin-top:64px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.sec-head h2{font-size:28px;line-height:1.35;}
.sec-head p{font-size:14.5px;color:var(--c-ink-3);margin:6px 0 0;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.related-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-sm);
  transition:transform .18s ease-out,box-shadow .18s ease-out;}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);}
.related-card .rc-img{aspect-ratio:16/9;background:#EFEAFB;overflow:hidden;}
.related-card .rc-img img{width:100%;height:100%;object-fit:cover;}
.related-card .rc-body{padding:18px 20px 22px;}
.related-card h3{font-size:18px;line-height:1.55;margin-bottom:10px;}
.related-card h3 a{color:var(--c-ink);}
.related-card h3 a:hover{color:var(--c-brand);}
.related-card .rc-time{font-size:13px;color:var(--c-ink-3);}

/* ---------- 侧栏 ---------- */
.article-side{align-self:start;position:sticky;top:140px;display:flex;flex-direction:column;gap:22px;}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-sm);}
.side-card h3{font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--c-brand);font-size:14px;}
.toc-list{list-style:none;padding:0;margin:0;}
.toc-list li{margin-bottom:6px;}
.toc-link{display:block;font-size:14px;line-height:1.6;color:var(--c-ink-2);padding:7px 10px;border-left:2px solid var(--c-line);
  border-radius:0 8px 8px 0;transition:all .18s ease-out;}
.toc-link:hover{background:var(--c-paper);color:var(--c-brand);}
.toc-link.active{color:var(--c-brand);font-weight:700;border-left-color:var(--c-brand);background:var(--c-brand-soft);}
.side-list{list-style:none;padding:0;margin:0;}
.side-list li{padding:12px 0;border-bottom:1px solid var(--c-line);}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list a{font-size:14.5px;font-weight:600;color:var(--c-ink-2);line-height:1.6;display:block;}
.side-list a:hover{color:var(--c-brand);}
.side-list .sl-time{font-size:12.5px;color:var(--c-ink-3);margin-top:4px;display:block;}
.side-cta{background:var(--c-brand-soft);border:1px solid #DDD3F5;}
.side-cta h3{color:var(--c-brand-deep);}
.side-cta p{font-size:14px;color:var(--c-ink-2);line-height:1.8;margin-bottom:16px;}

/* ---------- 返回 ---------- */
.back-row{margin:40px 0 0;}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--c-brand-deep);border-radius:var(--r-box);margin:80px 0 88px;padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;color:#fff;box-shadow:var(--sh-lg);position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;right:-40px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:rgba(228,134,58,.16);}
.cta-band h2{color:#fff;font-size:26px;line-height:1.4;margin-bottom:8px;position:relative;}
.cta-band p{color:#CFC9DE;font-size:14.5px;margin:0;position:relative;}
.cta-band .btn{position:relative;flex-shrink:0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#CFC9DE;padding:72px 0 0;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.fb-logo{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.fb-logo .mark{width:38px;height:38px;border-radius:11px;background:var(--c-brand);color:#fff;font-family:var(--font-serif);
  font-size:19px;display:flex;align-items:center;justify-content:center;}
.fb-logo strong{color:#fff;font-size:17px;}
.footer-brand p{line-height:1.9;color:#CFC9DE;margin-bottom:18px;}
.fb-contact{font-size:13.5px;line-height:2;color:#A9A2C0;}
.fb-contact strong{color:#fff;font-variant-numeric:tabular-nums;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:11px;}
.footer-col a{color:#CFC9DE;font-size:14px;}
.footer-col a:hover{color:var(--c-accent);}
.footer-sub p{font-size:13.5px;line-height:1.8;color:#A9A2C0;margin-bottom:14px;}
.sub-input{display:flex;gap:8px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:12px;padding:6px;margin-bottom:18px;}
.sub-input input{flex:1;background:transparent;border:0;color:#fff;font-size:13.5px;padding:8px 10px;outline:none;min-width:0;}
.sub-input input::placeholder{color:#8E88A6;}
.sub-input button{background:var(--c-accent);color:var(--c-ink);border:0;border-radius:8px;font-size:13.5px;font-weight:600;
  padding:8px 16px;cursor:pointer;transition:background-color .18s ease-out;}
.sub-input button:hover{background:var(--c-accent-hover);}
.footer-qr{display:flex;align-items:center;gap:12px;font-size:13px;color:#A9A2C0;line-height:1.7;}
.qr-box{width:52px;height:52px;border-radius:10px;background:rgba(255,255,255,.08);display:flex;align-items:center;
  justify-content:center;color:#CFC9DE;font-size:22px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;font-size:13px;color:#8E88A6;}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{color:#8E88A6;}
.footer-links a:hover{color:var(--c-accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:1fr;gap:34px;}
  .article-side{position:static;top:auto;}
  .brand-search{max-width:300px;}
}
@media (max-width:991px){
  .brand-search{display:none;}
  .hotline{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .channel-row{display:none;}
  .article-hero h1{font-size:30px;}
  .article-body{padding:32px 26px;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 30px;}
  .page-main{padding-top:26px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .blog-body{padding:24px 20px;}
  .article-body{padding:26px 20px;border-radius:16px;}
  .article-body p,.article-body ul,.article-body ol{font-size:16.2px;line-height:1.9;}
  .article-body h2{font-size:22px;}
  .article-hero h1{font-size:25px;}
  .related-grid{grid-template-columns:1fr;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav .pn-right{text-align:left;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{margin:56px 0 64px;border-radius:16px;}
  .cta-band h2{font-size:21px;}
}
@media (max-width:575px){
  .brand-text strong{font-size:16px;}
  .brand-text em{font-size:11.5px;}
  .top-strip{display:none;}
  .article-meta{font-size:12.5px;gap:8px;}
  .sec-head{flex-direction:column;align-items:flex-start;}
  .btn{height:44px;font-size:14.5px;}
}

/* roulang page: category2 */
:root{
  --c-ink:#17142A;
  --c-ink-2:#3B3550;
  --c-ink-3:#6C6580;
  --c-brand:#5A3FB0;
  --c-brand-deep:#3F2C86;
  --c-brand-soft:#EFEAFB;
  --c-accent:#E4863A;
  --c-accent-hover:#F09A4E;
  --c-jade:#2C9C82;
  --c-paper:#FAF7F1;
  --c-surface:#FFFFFF;
  --c-line:#E7E1D6;
  --c-line-strong:#D6CEC0;
  --sh-sm:0 1px 2px rgba(23,20,42,.04);
  --sh-md:0 8px 24px -12px rgba(23,20,42,.12);
  --sh-lg:0 24px 48px -24px rgba(23,20,42,.18);
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-block:20px;
  --f-sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --f-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--f-sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink-2);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--c-brand-deep);}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:0;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;}

.container{
  width:100%;
  max-width:1320px;
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}

/* ---------- 顶部提示条 ---------- */
.topbar{
  background:var(--c-brand-deep);
  color:#fff;
  font-size:13px;
  line-height:1.7;
}
.topbar-inner{
  height:36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar-text i{color:var(--c-accent-hover);margin-right:6px;}
.topbar-close{
  background:transparent;
  border:0;
  color:rgba(255,255,255,.75);
  cursor:pointer;
  font-size:14px;
  padding:4px 6px;
  border-radius:6px;
  transition:color .18s ease-out,background .18s ease-out;
}
.topbar-close:hover{color:#fff;background:rgba(255,255,255,.12);}

/* ---------- 品牌行 ---------- */
.site-header{background:var(--c-surface);}
.brand-row{
  height:72px;
  border-bottom:1px solid var(--c-line);
  background:var(--c-surface);
}
.brand-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--c-ink);
}
.brand:hover{color:var(--c-ink);}
.brand .mark{
  width:36px;height:36px;
  border-radius:11px;
  background:var(--c-brand);
  color:#fff;
  font-family:var(--f-serif);
  font-size:19px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-sm);
}
.brand strong{
  font-size:19px;
  font-weight:700;
  letter-spacing:.2px;
  white-space:nowrap;
}
.brand .divider{
  width:1px;height:20px;
  background:var(--c-line-strong);
  margin:0 2px;
}
.brand .sub{
  font-size:13px;
  color:var(--c-ink-3);
  white-space:nowrap;
}
.search-box{
  flex:1 1 auto;
  max-width:420px;
  display:flex;
  align-items:center;
  gap:8px;
  background:var(--c-paper);
  border:1px solid var(--c-line-strong);
  border-radius:999px;
  padding:0 6px 0 16px;
  height:44px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.search-box:focus-within{
  border-color:var(--c-brand);
  box-shadow:0 0 0 4px rgba(90,63,176,.12);
}
.search-box i{color:var(--c-ink-3);font-size:14px;}
.search-box input{
  flex:1 1 auto;
  border:0;
  background:transparent;
  font-size:14px;
  line-height:1.5;
  min-width:0;
  outline:none;
  color:var(--c-ink);
}
.search-box input::placeholder{color:var(--c-ink-3);}
.search-box button{
  border:0;
  background:var(--c-brand-soft);
  color:var(--c-brand);
  font-size:13px;
  font-weight:600;
  height:32px;
  padding:0 16px;
  border-radius:999px;
  cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out;
}
.search-box button:hover{background:var(--c-brand);color:#fff;}
.brand-actions{
  display:flex;
  align-items:center;
  gap:16px;
  flex:0 0 auto;
  margin-left:auto;
}
.phone{
  font-size:14px;
  font-weight:600;
  color:var(--c-ink-2);
  white-space:nowrap;
}
.phone i{color:var(--c-brand);margin-right:6px;}
.phone:hover{color:var(--c-brand);}

/* ---------- 按钮 ---------- */
.btn-accent,.btn-brand,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.btn-accent{
  background:var(--c-accent);
  color:var(--c-ink);
  box-shadow:var(--sh-sm);
}
.btn-accent:hover{
  background:var(--c-accent-hover);
  color:var(--c-ink);
  transform:translateY(-2px);
  box-shadow:var(--sh-md);
}
.btn-brand{
  background:var(--c-brand);
  color:#fff;
  box-shadow:var(--sh-sm);
}
.btn-brand:hover{
  background:var(--c-brand-deep);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--sh-md);
}
.btn-ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.55);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.14);
  color:#fff;
  transform:translateY(-2px);
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}

/* ---------- 频道行 ---------- */
.channel-row{
  position:sticky;
  top:0;
  z-index:40;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease-out;
}
.channel-row.is-stuck{box-shadow:var(--sh-md);}
.channel-inner{
  height:52px;
  display:flex;
  align-items:center;
  gap:4px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 18px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:600;
  color:var(--c-ink-2);
  white-space:nowrap;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.channel-link:hover{background:var(--c-paper);color:var(--c-brand);transform:translateY(-1px);}
.channel-link.active{background:var(--c-brand-soft);color:var(--c-brand);}
.channel-link.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-7px;
  transform:translateX(-50%);
  width:22px;
  height:2px;
  border-radius:2px;
  background:var(--c-accent);
}
.channel-note{
  margin-left:auto;
  font-size:13px;
  color:var(--c-ink-3);
  white-space:nowrap;
  padding-left:16px;
}
.channel-note strong{color:var(--c-jade);font-variant-numeric:tabular-nums;}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  min-height:320px;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  background:#EFEAFB;
}
.cat-hero-img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}
.cat-hero-veil{
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(23,20,42,.78) 0%,rgba(23,20,42,.52) 55%,rgba(23,20,42,.38) 100%);
}
.cat-hero-inner{
  position:relative;
  z-index:2;
  padding-top:56px;
  padding-bottom:48px;
  color:#fff;
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  font-size:13px;
  font-weight:600;
  letter-spacing:.4px;
  margin-bottom:16px;
}
.cat-hero h1{
  color:#fff;
  font-size:38px;
  line-height:1.3;
  font-family:var(--f-serif);
  font-weight:700;
  max-width:880px;
  margin-bottom:14px;
}
.cat-hero p{
  max-width:660px;
  font-size:16.5px;
  line-height:1.9;
  color:rgba(255,255,255,.88);
  margin-bottom:24px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}

/* ---------- 面包屑 ---------- */
.crumb{
  font-size:13px;
  color:var(--c-ink-3);
  padding:18px 0 0;
}
.crumb a{color:var(--c-ink-3);}
.crumb a:hover{color:var(--c-brand);}
.crumb .sep{margin:0 8px;color:var(--c-line-strong);}
.crumb .current{color:var(--c-ink-2);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:34px;
}
.section-head h2{
  font-size:30px;
  line-height:1.35;
  margin-bottom:10px;
}
.section-head .lead{
  font-size:15.5px;
  color:var(--c-ink-3);
  max-width:620px;
  margin:0;
}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:1.4px;
  color:var(--c-brand);
  margin-bottom:8px;
}

/* ---------- 数据条 ---------- */
.metric-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.metric-card{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  padding:26px 26px 22px;
  overflow:hidden;
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.metric-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:var(--c-brand);
}
.metric-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);}
.metric-num{
  font-size:44px;
  line-height:1;
  font-weight:700;
  color:var(--c-ink);
  font-variant-numeric:tabular-nums;
}
.metric-num span{font-size:16px;font-weight:600;color:var(--c-ink-3);margin-left:6px;}
.metric-label{
  font-size:15px;
  font-weight:600;
  color:var(--c-ink-2);
  margin:14px 0 6px;
}
.metric-desc{
  font-size:13.5px;
  line-height:1.7;
  color:var(--c-ink-3);
}
.badge-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
}
.badge-jade{background:rgba(44,156,130,.12);color:var(--c-jade);}
.badge-brand{background:var(--c-brand-soft);color:var(--c-brand);}
.badge-mute{background:var(--c-paper);color:var(--c-ink-3);border:1px solid var(--c-line);}

/* ---------- 两列大卡 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.feature-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.feature-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-md);
  border-color:var(--c-line-strong);
}
.feature-media{
  position:relative;
  aspect-ratio:16 / 9;
  background:#EFEAFB;
  overflow:hidden;
}
.feature-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.feature-tag{
  position:absolute;
  left:16px;
  top:16px;
  background:rgba(255,255,255,.94);
  color:var(--c-brand);
  font-size:13px;
  font-weight:600;
  padding:5px 12px;
  border-radius:999px;
  box-shadow:var(--sh-sm);
}
.feature-body{
  padding:24px 26px 26px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
}
.feature-body h3{
  font-size:20px;
  line-height:1.45;
  margin-bottom:10px;
}
.feature-body > p{
  font-size:15px;
  color:var(--c-ink-3);
  margin-bottom:16px;
}
.check-list li{
  position:relative;
  padding-left:28px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-ink-2);
  margin-bottom:8px;
}
.check-list li:last-child{margin-bottom:0;}
.check-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  left:0;
  top:2px;
  width:18px;height:18px;
  border-radius:50%;
  background:var(--c-brand-soft);
  color:var(--c-brand);
  font-size:10px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:18px;
  font-size:14.5px;
  font-weight:600;
  color:var(--c-brand);
  text-decoration:underline;
  text-underline-offset:3px;
}
.text-link:hover{color:var(--c-brand-deep);gap:10px;}

/* ---------- 流程时间轴 ---------- */
.flow-wrap{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-block);
  box-shadow:var(--sh-sm);
  padding:40px 44px;
}
.timeline{position:relative;padding-left:30px;}
.timeline::before{
  content:"";
  position:absolute;
  left:9px;
  top:10px;
  bottom:10px;
  width:2px;
  background:var(--c-line);
}
.tl-item{
  position:relative;
  padding-bottom:30px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-26px;
  top:6px;
  width:12px;height:12px;
  border-radius:50%;
  background:var(--c-brand);
  box-shadow:0 0 0 4px var(--c-surface);
}
.tl-item.current::before{
  background:var(--c-accent);
  box-shadow:0 0 0 4px var(--c-surface),0 0 0 7px rgba(228,134,58,.26);
}
.tl-step{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.6px;
  color:var(--c-brand);
  margin-bottom:6px;
}
.tl-item.current .tl-step{color:var(--c-accent);}
.tl-item h3{
  font-size:18px;
  line-height:1.5;
  margin-bottom:6px;
}
.tl-item p{
  font-size:15px;
  color:var(--c-ink-3);
  margin:0;
  max-width:720px;
}

/* ---------- FAQ ---------- */
.faq .accordion-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:14px;
  margin-bottom:10px;
  overflow:hidden;
  box-shadow:var(--sh-sm);
}
.faq .accordion-button{
  position:relative;
  background:var(--c-surface);
  color:var(--c-ink);
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  padding:18px 20px 18px 24px;
  box-shadow:none;
}
.faq .accordion-button::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:transparent;
  transition:background .18s ease-out;
}
.faq .accordion-button:not(.collapsed){
  color:var(--c-brand);
  background:var(--c-brand-soft);
  box-shadow:none;
}
.faq .accordion-button:not(.collapsed)::before{background:var(--c-accent);}
.faq .accordion-button:focus{box-shadow:none;}
.faq .accordion-button:focus-visible{outline:2px solid var(--c-brand);outline-offset:-4px;}
.faq .accordion-body{
  padding:4px 24px 22px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--c-ink-2);
}

/* ---------- 底部 CTA 条 ---------- */
.cta-bar{
  background:var(--c-brand-deep);
  border-radius:var(--r-block);
  padding:38px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  color:#fff;
  box-shadow:var(--sh-lg);
}
.cta-bar h2{
  color:#fff;
  font-size:26px;
  line-height:1.4;
  margin-bottom:8px;
}
.cta-bar p{
  color:rgba(255,255,255,.78);
  font-size:15px;
  margin:0;
  max-width:640px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-ink);
  color:#CFC9DE;
  margin-top:88px;
  padding:64px 0 0;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.4fr;
  gap:32px;
  padding-bottom:48px;
}
.fb-logo{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.fb-logo .mark{
  width:34px;height:34px;
  border-radius:10px;
  background:var(--c-brand);
  color:#fff;
  font-family:var(--f-serif);
  font-size:18px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.fb-logo strong{color:#fff;font-size:17px;letter-spacing:.2px;}
.footer-brand p{
  color:#CFC9DE;
  font-size:14px;
  line-height:1.85;
  margin-bottom:16px;
  max-width:340px;
}
.fb-contact{font-size:13.5px;line-height:2;color:#A9A2BC;}
.fb-contact strong{color:#fff;font-weight:600;}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{
  color:#CFC9DE;
  font-size:14px;
  transition:color .18s ease-out,padding-left .18s ease-out;
}
.footer-col ul a:hover{color:var(--c-accent);padding-left:4px;}
.footer-sub p{
  font-size:13.5px;
  color:#A9A2BC;
  line-height:1.8;
  margin-bottom:14px;
}
.sub-input{
  display:flex;
  gap:8px;
  margin-bottom:18px;
}
.sub-input input{
  flex:1 1 auto;
  min-width:0;
  height:44px;
  padding:0 14px;
  border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:14px;
  outline:none;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.sub-input input::placeholder{color:#8F88A6;}
.sub-input input:focus{
  border-color:var(--c-accent);
  box-shadow:0 0 0 4px rgba(228,134,58,.18);
}
.sub-input button{
  height:44px;
  padding:0 20px;
  border:0;
  border-radius:var(--r-input);
  background:var(--c-accent);
  color:var(--c-ink);
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:background .18s ease-out,transform .18s ease-out;
}
.sub-input button:hover{background:var(--c-accent-hover);transform:translateY(-1px);}
.footer-qr{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:13px;
  color:#A9A2BC;
  line-height:1.7;
}
.qr-box{
  width:56px;height:56px;
  border-radius:12px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;
  color:#fff;
  font-size:22px;
  flex:0 0 auto;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:#A9A2BC;
  flex-wrap:wrap;
}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-links a{color:#CFC9DE;font-size:13px;}
.footer-links a:hover{color:var(--c-accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .brand strong{font-size:17px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .footer-sub{grid-column:1 / -1;}
}
@media (max-width:991px){
  .section{padding-top:64px;}
  .brand-inner{flex-wrap:wrap;height:auto;padding-top:14px;padding-bottom:14px;gap:14px;}
  .brand-row{height:auto;}
  .search-box{order:3;max-width:none;flex:1 1 100%;}
  .brand-actions{margin-left:0;}
  .cat-hero h1{font-size:30px;}
  .cat-hero{min-height:280px;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .card-grid{grid-template-columns:1fr;}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:32px;}
  .flow-wrap{padding:32px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .site-footer{margin-top:64px;padding-top:48px;}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.8;}
  .section{padding-top:48px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:24px;}
  .section-head h2{font-size:24px;}
  .cat-hero{min-height:220px;}
  .cat-hero-inner{padding-top:40px;padding-bottom:34px;}
  .cat-hero h1{font-size:25px;}
  .cat-hero p{font-size:15px;margin-bottom:18px;}
  .hero-actions .btn-ghost,.hero-actions .btn-accent{flex:1 1 auto;}
  .metric-grid{grid-template-columns:1fr;}
  .metric-num{font-size:38px;}
  .flow-wrap{padding:26px 20px;border-radius:16px;}
  .timeline{padding-left:26px;}
  .cta-bar{margin-bottom:0;padding:26px 22px;border-radius:16px;}
  .cta-bar h2{font-size:21px;}
  .cta-bar .btn-accent{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .container{padding-left:20px;padding-right:20px;}
  .channel-note{display:none;}
  .channel-inner{
    -webkit-mask-image:linear-gradient(90deg,#000 85%,rgba(0,0,0,0));
    mask-image:linear-gradient(90deg,#000 85%,rgba(0,0,0,0));
  }
  .topbar-inner{height:auto;padding-top:8px;padding-bottom:8px;}
  .topbar-text{font-size:12.5px;}
}
@media (max-width:575px){
  .brand strong{font-size:16px;}
  .brand .divider,.brand .sub{display:none;}
  .phone{display:none;}
  .feature-body{padding:20px;}
  .faq .accordion-button{font-size:15.5px;padding-right:44px;}
  .faq .accordion-body{padding:0 20px 20px;font-size:15px;}
}

/* roulang page: category1 */
:root{
  --c-ink:#17142A;
  --c-ink-2:#3B3550;
  --c-ink-3:#6C6580;
  --c-brand:#5A3FB0;
  --c-brand-deep:#3F2C86;
  --c-brand-soft:#EFEAFB;
  --c-accent:#E4863A;
  --c-accent-hover:#F09A4E;
  --c-jade:#2C9C82;
  --c-paper:#FAF7F1;
  --c-surface:#FFFFFF;
  --c-line:#E7E1D6;
  --c-line-strong:#D6CEC0;
  --shadow-sm:0 1px 2px rgba(23,20,42,.04);
  --shadow-md:0 8px 24px -12px rgba(23,20,42,.12);
  --shadow-lg:0 24px 48px -24px rgba(23,20,42,.18);
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-block:20px;
  --container-w:1320px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink-2);
  background:var(--c-paper);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--c-brand-deep);}
h1,h2,h3,h4,h5{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:0;}
p{margin:0 0 1.15em;color:var(--c-ink-2);}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container-w);margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 24px;}}

/* ========== 顶部提示条 ========== */
.topbar{
  background:var(--c-brand-deep);
  color:#fff;
  font-size:13px;
  line-height:1;
  height:36px;
  display:flex;
  align-items:center;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar .tb-left{display:flex;align-items:center;gap:8px;}
.topbar .tb-left i{color:var(--c-accent);}
.topbar .tb-right{display:none;color:#D9D2F0;}
@media (min-width:768px){.topbar .tb-right{display:block;}}

/* ========== Header ========== */
.site-header{position:sticky;top:0;z-index:1030;background:var(--c-surface);}
.brand-row{height:72px;display:flex;align-items:center;border-bottom:1px solid var(--c-line);}
.brand-inner{display:flex;align-items:center;gap:20px;width:100%;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo .mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(140deg,var(--c-brand) 0%,var(--c-brand-deep) 100%);
  color:#fff;font-size:19px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-sm);
}
.logo .wordmark{display:flex;flex-direction:column;line-height:1.25;}
.logo .wordmark strong{font-size:17px;color:var(--c-ink);letter-spacing:.2px;font-weight:700;}
.logo .wordmark span{font-size:11.5px;color:var(--c-ink-3);letter-spacing:1.5px;}
.logo-divider{width:1px;height:28px;background:var(--c-line-strong);margin:0 4px;}
.brand-sub{font-size:13px;color:var(--c-ink-3);display:none;}
@media (min-width:992px){.brand-sub{display:block;}}

.search-box{
  flex:1;max-width:340px;margin-left:auto;
  display:none;align-items:center;gap:8px;
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:999px;
  padding:0 8px 0 16px;
  height:42px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(90,63,176,.12);}
.search-box input{
  flex:1;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--c-ink);height:100%;
}
.search-box input::placeholder{color:var(--c-ink-3);}
.search-box button{
  border:0;background:var(--c-brand-soft);color:var(--c-brand);
  width:30px;height:30px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:13px;cursor:pointer;
  transition:background .18s ease,color .18s ease;
}
.search-box button:hover{background:var(--c-brand);color:#fff;}

.brand-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
.search-box + .brand-actions{margin-left:0;}
.phone-link{
  display:none;align-items:center;gap:6px;
  font-size:14px;color:var(--c-ink-2);font-weight:600;white-space:nowrap;
}
.phone-link i{color:var(--c-accent);}
.phone-link:hover{color:var(--c-brand);}
.nav-toggle{
  display:flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-ink);font-size:17px;cursor:pointer;
  transition:background .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:var(--c-brand-soft);border-color:var(--c-brand-soft);}
@media (min-width:992px){
  .search-box{display:flex;}
  .phone-link{display:flex;}
  .nav-toggle{display:none;}
}

/* ========== 按钮 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  padding:12px 22px;
  min-height:46px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(0);}
.btn-brand{background:var(--c-brand);color:#fff;box-shadow:var(--shadow-sm);}
.btn-brand:hover{background:var(--c-brand-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-accent{background:var(--c-accent);color:var(--c-ink);box-shadow:var(--shadow-sm);}
.btn-accent:hover{background:var(--c-accent-hover);color:var(--c-ink);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-ghost{background:var(--c-surface);color:var(--c-ink);border-color:var(--c-line-strong);}
.btn-ghost:hover{background:var(--c-brand-soft);border-color:var(--c-brand-soft);color:var(--c-brand);transform:translateY(-2px);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-brand);font-weight:600;font-size:15px;
  border-bottom:1px solid rgba(90,63,176,.35);
  padding-bottom:2px;
}
.btn-text:hover{color:var(--c-brand-deep);border-bottom-color:var(--c-brand-deep);}
.btn-sm{padding:9px 16px;min-height:40px;font-size:14px;}

/* ========== 频道导航 ========== */
.channel-row{
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  box-shadow:none;
  transition:box-shadow .2s ease;
}
.site-header.is-stuck .channel-row{box-shadow:var(--shadow-md);}
.channel-inner{
  display:flex;align-items:center;gap:4px;
  height:52px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;
  display:inline-flex;align-items:center;
  padding:10px 18px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--c-ink-2);
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease;
}
.channel-link:hover{background:var(--c-paper);color:var(--c-brand);}
.channel-link.active{
  background:var(--c-brand-soft);color:var(--c-brand);
}
.channel-link.active::after{
  content:"";position:absolute;left:18px;right:18px;bottom:2px;height:2px;
  background:var(--c-accent);border-radius:2px;
}
.channel-note{
  margin-left:auto;padding-left:20px;
  font-size:13px;color:var(--c-ink-3);white-space:nowrap;display:none;
}
.channel-note strong{color:var(--c-jade);font-variant-numeric:tabular-nums;}
@media (min-width:992px){.channel-note{display:block;}}

/* ========== 移动抽屉 ========== */
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);
  background:var(--c-surface);
  z-index:1060;
  transform:translateX(102%);
  transition:transform .26s ease-out;
  padding:22px 20px 32px;
  overflow-y:auto;
  box-shadow:var(--shadow-lg);
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,20,42,.45);
  opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease;
  z-index:1050;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-head strong{font-size:16px;color:var(--c-ink);}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-ink);cursor:pointer;font-size:15px;
}
.drawer-title{font-size:13px;color:var(--c-ink-3);margin:18px 0 8px;font-weight:600;}
.drawer-link{
  display:block;padding:12px 14px;border-radius:12px;
  font-size:15px;font-weight:600;color:var(--c-ink-2);
  transition:background-color .18s ease,color .18s ease;
}
.drawer-link:hover,.drawer-link.active{background:var(--c-brand-soft);color:var(--c-brand);}
.drawer-search{display:flex;align-items:center;gap:8px;background:var(--c-paper);border:1px solid var(--c-line);border-radius:999px;padding:0 8px 0 16px;height:44px;}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;height:100%;}
.drawer-search button{border:0;background:var(--c-brand-soft);color:var(--c-brand);width:30px;height:30px;border-radius:50%;cursor:pointer;}
@media (min-width:992px){.mobile-drawer,.drawer-mask{display:none;}}

/* ========== 面包屑 ========== */
.breadcrumb-line{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--c-ink-3);margin-bottom:20px;
}
.breadcrumb-line a{color:var(--c-ink-3);}
.breadcrumb-line a:hover{color:var(--c-brand);}
.breadcrumb-line .sep{color:var(--c-line-strong);}
.breadcrumb-line .current{color:var(--c-ink-2);}

/* ========== 分类频道头 ========== */
.cat-hero{
  position:relative;
  background:var(--c-brand-soft);
  padding:40px 0 56px;
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 1px 1px,rgba(90,63,176,.12) 1px,transparent 0);
  background-size:22px 22px;
  opacity:.5;pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(228,134,58,.14) 0%,rgba(228,134,58,0) 68%);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:1;}
.cat-hero h1{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  font-size:30px;line-height:1.35;font-weight:700;
  color:var(--c-ink);
  margin-bottom:14px;
}
@media (min-width:768px){.cat-hero h1{font-size:36px;}}
.cat-hero .lead{
  font-size:16.5px;line-height:1.9;color:var(--c-ink-2);
  max-width:760px;margin-bottom:26px;
}
.cat-hero .lead strong{color:var(--c-brand);font-weight:700;}
.hero-stats{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;max-width:720px;
}
@media (min-width:768px){.hero-stats{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}}
.hero-stats li{
  background:rgba(255,255,255,.78);
  border:1px solid rgba(255,255,255,.9);
  border-radius:var(--r-card);
  padding:14px 16px;
  box-shadow:var(--shadow-sm);
}
.hero-stats .hs-num{
  font-size:24px;font-weight:700;color:var(--c-brand);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero-stats .hs-num small{font-size:13px;color:var(--c-ink-3);font-weight:600;margin-left:2px;}
.hero-stats .hs-label{font-size:13px;color:var(--c-ink-3);margin-top:2px;}

/* ========== 通用板块 ========== */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:72px 0;}}
@media (min-width:1200px){.section{padding:96px 0;}}
.section-head{margin-bottom:34px;max-width:760px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:700;color:var(--c-brand);
  background:var(--c-brand-soft);border-radius:999px;
  padding:5px 14px;margin-bottom:14px;
}
.section-head h2{
  font-size:25px;line-height:1.4;margin-bottom:12px;
}
@media (min-width:768px){.section-head h2{font-size:30px;}}
.section-head p{font-size:16px;color:var(--c-ink-3);line-height:1.9;}
.section-alt{background:var(--c-surface);}

/* ========== 状态速查条 ========== */
.status-strip{
  margin-top:-26px;position:relative;z-index:5;
}
.status-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-block);
  box-shadow:var(--shadow-md);
  padding:18px 20px;
  display:grid;gap:14px;
  grid-template-columns:1fr;
}
@media (min-width:768px){.status-card{grid-template-columns:repeat(4,minmax(0,1fr));padding:22px 26px;}}
.status-item{display:flex;align-items:flex-start;gap:11px;}
.status-dot{
  width:10px;height:10px;border-radius:50%;background:var(--c-jade);
  margin-top:8px;flex-shrink:0;position:relative;
  box-shadow:0 0 0 4px rgba(44,156,130,.14);
}
.status-item .si-name{font-size:15px;font-weight:600;color:var(--c-ink);}
.status-item .si-desc{font-size:12.5px;color:var(--c-ink-3);line-height:1.7;}
.status-item .si-desc strong{color:var(--c-jade);font-variant-numeric:tabular-nums;}

/* ========== 卡片通用 ========== */
.grid{display:grid;gap:24px;}
.grid-3{grid-template-columns:1fr;}
.grid-2{grid-template-columns:1fr;}
.grid-4{grid-template-columns:1fr;}
@media (min-width:768px){
  .grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
  .grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:1200px){
  .grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}
}
.card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--c-line-strong);}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  background:#EFEAFB;
  overflow:hidden;
}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.card-media .tag-on-image{
  position:absolute;left:12px;top:12px;
  background:rgba(255,255,255,.92);
  color:var(--c-brand);font-size:12.5px;font-weight:700;
  padding:4px 12px;border-radius:999px;
}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:19px;line-height:1.45;margin-bottom:10px;}
.card-body p{font-size:15px;color:var(--c-ink-2);line-height:1.85;margin-bottom:16px;}
.card-body .card-foot{margin-top:auto;}
.badge-soft{
  display:inline-flex;align-items:center;gap:5px;
  background:var(--c-brand-soft);color:var(--c-brand);
  font-size:12.5px;font-weight:700;
  padding:4px 12px;border-radius:999px;
}
.badge-jade{background:rgba(44,156,130,.12);color:var(--c-jade);}
.badge-accent{background:rgba(228,134,58,.14);color:#B4661F;}

/* ========== 场景卡 ========== */
.scene-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px 22px;
  box-shadow:var(--shadow-sm);
  transition:transform .18s ease-out,box-shadow .18s ease-out;
  height:100%;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.scene-icon{
  width:46px;height:46px;border-radius:13px;
  background:var(--c-brand-soft);color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;
  font-size:19px;margin-bottom:16px;
}
.scene-card h3{font-size:18px;margin-bottom:9px;line-height:1.45;}
.scene-card p{font-size:14.5px;color:var(--c-ink-3);line-height:1.8;margin:0;}

/* ========== 流程时间轴 ========== */
.timeline{
  position:relative;
  padding-left:30px;
  margin-top:10px;
}
.timeline::before{
  content:"";position:absolute;left:7px;top:10px;bottom:10px;width:2px;
  background:var(--c-line);
}
.tl-item{position:relative;padding-bottom:30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:6px;
  width:16px;height:16px;border-radius:50%;
  background:var(--c-surface);
  border:3px solid var(--c-brand);
  box-sizing:border-box;
}
.tl-item.is-current::before{
  background:var(--c-accent);border-color:var(--c-accent);
  box-shadow:0 0 0 5px rgba(228,134,58,.18);
}
.tl-item h3{font-size:18px;margin-bottom:8px;line-height:1.45;}
.tl-item p{font-size:15px;color:var(--c-ink-2);margin-bottom:0;line-height:1.85;}
.tl-step{
  display:inline-block;font-size:12.5px;font-weight:700;
  color:var(--c-ink-3);letter-spacing:.4px;margin-bottom:6px;
  font-variant-numeric:tabular-nums;
}
.tl-item.is-current .tl-step{color:var(--c-accent);}

/* ========== 支持清单 ========== */
.support-list{display:grid;gap:12px;}
.support-item{
  display:flex;align-items:center;gap:14px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:16px 18px;
  box-shadow:var(--shadow-sm);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.support-item:hover{border-color:var(--c-line-strong);box-shadow:var(--shadow-md);}
.support-item .si-ico{
  width:40px;height:40px;border-radius:11px;flex-shrink:0;
  background:var(--c-paper);color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.support-item .si-main{flex:1;min-width:0;}
.support-item .si-main strong{display:block;font-size:15.5px;color:var(--c-ink);font-weight:600;}
.support-item .si-main span{font-size:13.5px;color:var(--c-ink-3);}
.support-item .si-state{
  font-size:12.5px;font-weight:700;color:var(--c-jade);
  background:rgba(44,156,130,.12);
  padding:4px 12px;border-radius:999px;white-space:nowrap;
}

/* ========== FAQ ========== */
.faq-accordion .accordion-item{
  border:1px solid var(--c-line);
  border-radius:14px;
  margin-bottom:10px;
  overflow:hidden;
  background:var(--c-surface);
  box-shadow:var(--shadow-sm);
}
.faq-accordion .accordion-item:last-child{margin-bottom:0;}
.faq-accordion .accordion-button{
  font-size:17px;font-weight:600;color:var(--c-ink);
  background:var(--c-surface);
  padding:18px 20px 18px 22px;
  box-shadow:none !important;
  border:0;
  position:relative;
  line-height:1.55;
  text-align:left;
  transition:background-color .18s ease,color .18s ease;
}
.faq-accordion .accordion-button::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  background:transparent;border-radius:0 3px 3px 0;
  transition:background-color .18s ease;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--c-brand);
  background:var(--c-brand-soft);
}
.faq-accordion .accordion-button:not(.collapsed)::before{background:var(--c-accent);}
.faq-accordion .accordion-button::after{
  background-image:none;
  content:"\f078";
  font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:14px;color:var(--c-ink-3);
  width:auto;height:auto;
  display:flex;align-items:center;justify-content:center;
  transition:transform .22s ease,color .22s ease;
  margin-left:auto;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  transform:rotate(180deg);color:var(--c-brand);
}
.faq-accordion .accordion-button:focus{box-shadow:none;}
.faq-accordion .accordion-body{
  font-size:15.5px;line-height:1.9;color:var(--c-ink-2);
  padding:4px 22px 22px;
}
.faq-accordion .accordion-body p{margin:0;font-size:15.5px;color:var(--c-ink-2);}

/* ========== CTA 表单 ========== */
.cta-section{background:var(--c-surface);}
.cta-wrap{
  display:grid;gap:32px;
  grid-template-columns:1fr;
}
@media (min-width:992px){.cta-wrap{grid-template-columns:5fr 7fr;gap:48px;}}
.cta-info h2{font-size:26px;line-height:1.4;margin-bottom:14px;}
@media (min-width:768px){.cta-info h2{font-size:30px;}}
.cta-info > p{font-size:16px;color:var(--c-ink-2);line-height:1.9;}
.trust-list{margin-top:24px;display:grid;gap:14px;}
.trust-list li{display:flex;gap:12px;align-items:flex-start;}
.trust-list i{
  width:26px;height:26px;border-radius:8px;flex-shrink:0;
  background:var(--c-brand-soft);color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;font-size:12px;margin-top:3px;
}
.trust-list strong{display:block;font-size:15px;color:var(--c-ink);font-weight:600;}
.trust-list span{font-size:13.5px;color:var(--c-ink-3);}
.contact-line{
  margin-top:26px;padding-top:22px;border-top:1px solid var(--c-line);
  font-size:14px;color:var(--c-ink-3);line-height:2;
}
.contact-line strong{color:var(--c-ink);font-variant-numeric:tabular-nums;}

.form-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-block);
  box-shadow:var(--shadow-lg);
  padding:28px 24px 30px;
}
@media (min-width:768px){.form-card{padding:34px 32px 36px;}}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-hint{font-size:13.5px;color:var(--c-ink-3);margin-bottom:22px;}
.form-row{display:grid;gap:18px;grid-template-columns:1fr;}
@media (min-width:768px){.form-row.cols-2{grid-template-columns:1fr 1fr;}}
.field label{
  display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:7px;
}
.field label .req{color:var(--c-accent);}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;
  border:1px solid var(--c-line-strong);
  border-radius:var(--r-input);
  background:var(--c-surface);
  color:var(--c-ink);
  padding:11px 14px;
  min-height:46px;
  outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:112px;resize:vertical;line-height:1.8;}
.field input::placeholder,.field textarea::placeholder{color:#A49DB4;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-brand);
  box-shadow:0 0 0 3px rgba(90,63,176,.14);
}
.field .err-msg{display:none;font-size:13px;color:#C0392B;margin-top:6px;}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:#C0392B;}
.field.has-error .err-msg{display:block;}
.check-line{
  display:flex;align-items:flex-start;gap:10px;
  font-size:13.5px;color:var(--c-ink-3);line-height:1.7;margin:4px 0 22px;
}
.check-line input{width:18px;height:18px;margin-top:3px;accent-color:var(--c-brand);flex-shrink:0;}
.submit-btn{width:100%;}
.form-note{font-size:13px;color:var(--c-ink-3);margin-top:14px;line-height:1.7;}

/* ========== 底部 CTA 条 ========== */
.cta-bar{
  background:var(--c-brand-deep);
  border-radius:var(--r-block);
  padding:26px 24px;
  display:flex;flex-direction:column;gap:18px;
  align-items:flex-start;
  margin-bottom:88px;
}
@media (min-width:768px){
  .cta-bar{flex-direction:row;align-items:center;justify-content:space-between;padding:30px 36px;}
}
.cta-bar .cb-text strong{display:block;color:#fff;font-size:20px;margin-bottom:6px;}
.cta-bar .cb-text span{color:#CFC9DE;font-size:14px;}

/* ========== 页脚 ========== */
.site-footer{background:var(--c-ink);color:#CFC9DE;padding:56px 0 0;}
.footer-grid{display:grid;gap:34px;grid-template-columns:1fr;}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:36px;}}
@media (min-width:992px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;}}
.fb-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.fb-logo .mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(140deg,var(--c-brand) 0%,var(--c-brand-deep) 100%);
  color:#fff;font-size:18px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.fb-logo strong{color:#fff;font-size:16.5px;letter-spacing:.2px;}
.footer-brand p{font-size:14px;line-height:1.9;color:#A9A2C0;max-width:340px;margin-bottom:16px;}
.fb-contact{font-size:13.5px;line-height:2;color:#A9A2C0;}
.fb-contact strong{color:#fff;font-variant-numeric:tabular-nums;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:#CFC9DE;}
.footer-col a:hover{color:var(--c-accent);}
.footer-sub p{font-size:13.5px;color:#A9A2C0;line-height:1.85;margin-bottom:14px;}
.sub-input{display:flex;gap:8px;}
.sub-input input{
  flex:1;min-width:0;height:42px;border-radius:10px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);
  color:#fff;padding:0 14px;font-size:14px;outline:none;
}
.sub-input input::placeholder{color:#8E88A6;}
.sub-input input:focus{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(228,134,58,.18);}
.sub-input button{
  height:42px;padding:0 18px;border:0;border-radius:10px;
  background:var(--c-accent);color:var(--c-ink);font-weight:700;font-size:14px;cursor:pointer;
  transition:background-color .18s ease;
}
.sub-input button:hover{background:var(--c-accent-hover);}
.footer-qr{display:flex;align-items:center;gap:12px;margin-top:18px;}
.footer-qr .qr-box{
  width:56px;height:56px;border-radius:12px;
  background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;
  color:#CFC9DE;font-size:22px;flex-shrink:0;
}
.footer-qr span{font-size:12.5px;line-height:1.7;color:#A9A2C0;}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;
  display:flex;flex-direction:column;gap:12px;
  font-size:13px;color:#8E88A6;
}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 18px;}
.footer-links a{font-size:13px;color:#8E88A6;}
.footer-links a:hover{color:var(--c-accent);}