/* roulang page: index */
:root{
  --c-primary:#4B3BD6;
  --c-primary-600:#3A2CBE;
  --c-primary-050:#EEECFB;
  --c-accent:#17C6B4;
  --c-accent-050:#E4FAF7;
  --c-signal:#FF7A3D;
  --c-bg:#F7F6FC;
  --c-surface:#FFFFFF;
  --c-dark:#14122B;
  --c-text:#23203A;
  --c-text-2:#625D80;
  --c-text-3:#8E89A8;
  --c-line:#E5E2F2;
  --r-card:18px;
  --r-lg:24px;
  --r-btn:12px;
  --r-img:14px;
  --r-pill:999px;
  --sh-1:0 2px 10px rgba(22,19,43,.05);
  --sh-2:0 14px 34px rgba(22,19,43,.10);
  --bs-primary:#4B3BD6;
  --bs-primary-rgb:75,59,214;
  --bs-body-bg:#F7F6FC;
  --bs-body-color:#23203A;
  --bs-border-color:#E5E2F2;
  --bs-border-radius:12px;
  --bs-link-color:#4B3BD6;
  --bs-link-color-rgb:75,59,214;
  --bs-link-hover-color:#3A2CBE;
  --bs-link-hover-color-rgb:58,44,190;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.85;color:var(--c-text);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  padding-bottom:calc(76px + env(safe-area-inset-bottom));
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-primary-600)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;padding-left:24px;padding-right:24px}
@media (max-width:575.98px){.container{padding-left:16px;padding-right:16px}}
@media (min-width:992px){body{padding-bottom:0}}

/* ============ 通用按钮 ============ */
.sp-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);padding:12px 24px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;line-height:1.2;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.sp-btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(75,59,214,.22)}
.sp-btn-primary:hover{background:var(--c-primary-600);color:#fff;transform:translateY(-1px)}
.sp-btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.sp-btn-ghost:hover{background:var(--c-primary-050);color:var(--c-primary-600);border-color:var(--c-primary-600)}
.sp-btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}
.sp-text-link{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:14px}
.sp-text-link svg{transition:transform .18s ease}
.sp-text-link:hover svg{transform:translateX(4px)}
.sp-btn[disabled]{opacity:.4;pointer-events:none}

/* ============ 顶部导航 ============ */
.sp-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease;
}
.sp-header.is-scrolled{box-shadow:0 2px 14px rgba(22,19,43,.07)}
.sp-header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.sp-logo{display:flex;align-items:center;gap:10px;color:var(--c-text);flex:0 0 auto}
.sp-logo-mark{display:block;flex:0 0 32px}
.sp-logo-text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.sp-logo-text b{color:var(--c-primary);font-weight:700}
.sp-nav{display:flex;align-items:center;gap:4px}
.sp-nav-link{
  position:relative;padding:8px 14px;font-size:15px;font-weight:500;
  color:var(--c-text-2);border-radius:8px;transition:color .18s ease,background .18s ease;
}
.sp-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transition:transform .2s ease;
}
.sp-nav-link:hover{color:var(--c-primary);background:var(--c-primary-050)}
.sp-nav-link.active{color:var(--c-primary);font-weight:600}
.sp-nav-link.active::after{transform:scaleX(1)}
.sp-burger{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--c-line);background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:0;
}
.sp-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-text)}
.sp-mobile-nav{border-top:1px solid var(--c-line);background:#fff}
.sp-mobile-nav .container{padding-top:12px;padding-bottom:16px}
.sp-mobile-nav a{
  display:block;padding:13px 4px;font-size:15.5px;color:var(--c-text-2);
  border-bottom:1px solid var(--c-line);font-weight:500;
}
.sp-mobile-nav a:last-child{border-bottom:0}
.sp-mobile-nav a.active{color:var(--c-primary);font-weight:600}

/* ============ 底部 Tab（移动端） ============ */
.sp-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;display:flex;
  background:#fff;border-top:1px solid var(--c-line);
  box-shadow:0 -4px 18px rgba(22,19,43,.07);
  padding-bottom:env(safe-area-inset-bottom);
}
.sp-tab{
  flex:1;height:60px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;font-size:10px;color:var(--c-text-3);position:relative;
}
.sp-tab svg{width:22px;height:22px}
.sp-tab::before{
  content:"";position:absolute;top:0;left:50%;width:28px;height:2px;border-radius:0 0 2px 2px;
  background:var(--c-primary);transform:translateX(-50%) scaleX(0);transition:transform .2s ease;
}
.sp-tab.active{color:var(--c-primary)}
.sp-tab.active::before{transform:translateX(-50%) scaleX(1)}

/* ============ Hero ============ */
.sp-hero{position:relative;padding:56px 0 72px;background:var(--c-bg);overflow:hidden}
.sp-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(75,59,214,.06) 1px,transparent 1px);
  background-size:22px 22px;
}
.sp-hero::after{
  content:"";position:absolute;width:620px;height:620px;right:-200px;top:-260px;pointer-events:none;
  background:radial-gradient(circle,rgba(23,198,180,.14),transparent 62%);
}
.sp-hero .container{position:relative;z-index:1}
.sp-hero h1{
  font-size:32px;line-height:1.36;font-weight:800;letter-spacing:-.01em;margin:0 0 18px;color:var(--c-text);
}
.sp-hero-sub{font-size:17px;color:var(--c-text-2);line-height:1.85;margin:0 0 30px;max-width:560px}
.sp-hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.sp-trust{
  display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:26px;font-size:13.5px;color:var(--c-text-3);
}
.sp-trust span{display:inline-flex;align-items:center;gap:7px}
.sp-trust svg{width:15px;height:15px;color:var(--c-accent);flex:0 0 15px}

.sp-cover-card{
  border-radius:var(--r-lg);overflow:hidden;background:var(--c-dark);
  box-shadow:0 18px 40px rgba(22,19,43,.16);
}
.sp-cover-figure{position:relative;margin:0;aspect-ratio:16/9;background:rgba(75,59,214,.06)}
.sp-cover-figure img{width:100%;height:100%;object-fit:cover}
.sp-cover-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,18,43,.08) 0%,rgba(20,18,43,.80) 100%);
}
.sp-cover-top{position:absolute;left:16px;top:16px;display:flex;gap:8px;align-items:center}
.sp-live-badge{
  display:inline-flex;align-items:center;gap:7px;background:var(--c-signal);color:#fff;
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);letter-spacing:.02em;
}
.sp-live-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;animation:spBlink 1.6s ease-in-out infinite}
.sp-cover-source{
  display:inline-flex;align-items:center;background:rgba(255,255,255,.16);color:#fff;
  font-size:12px;padding:5px 12px;border-radius:var(--r-pill);
}
.sp-cover-caption{position:absolute;left:20px;right:20px;bottom:18px;color:#F2F1FA}
.sp-cover-caption h3{font-size:17px;font-weight:600;margin:0 0 6px;line-height:1.5;color:#fff}
.sp-cover-caption p{margin:0;font-size:13px;color:#B9B5D4}

/* 倒计时 */
.sp-countdown{
  background:var(--c-dark);padding:20px 12px 22px;display:flex;align-items:flex-start;
  justify-content:space-around;border-top:1px solid rgba(255,255,255,.10);
}
.sp-cd-item{flex:1;text-align:center}
.sp-cd-num{
  font-size:34px;line-height:1;font-weight:700;color:#F2F1FA;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;display:block;
}
.sp-cd-num--sec{animation:spBlink 1s ease-in-out infinite}
.sp-cd-unit{display:block;margin-top:8px;font-size:12px;color:#B9B5D4}
.sp-cd-sep{width:1px;height:34px;background:rgba(255,255,255,.14);align-self:center;flex:0 0 1px}
.sp-cd-note{
  background:var(--c-dark);padding:0 24px 22px;text-align:center;font-size:12.5px;color:#B9B5D4;
  border-top:1px solid rgba(255,255,255,.06);padding-top:14px;
}
@keyframes spBlink{0%,100%{opacity:1}50%{opacity:.5}}

/* ============ 通用板块 ============ */
.sp-section{padding:80px 0}
.sp-section--tight{padding:64px 0}
.sp-section--white{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.sp-sec-head{margin-bottom:40px;max-width:760px}
.sp-eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.08em;
  color:var(--c-primary);background:var(--c-primary-050);padding:5px 12px;border-radius:var(--r-pill);
  margin-bottom:14px;
}
.sp-sec-head h2{font-size:26px;font-weight:700;line-height:1.42;margin:0 0 10px;letter-spacing:-.01em}
.sp-sec-head p{margin:0;color:var(--c-text-2);font-size:15.5px;line-height:1.82}
.sp-sec-head--row{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-end;justify-content:space-between;max-width:none}

/* ============ 看点列表 ============ */
.sp-point-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--c-line)}
.sp-point{
  position:relative;display:flex;gap:20px;padding:24px 20px;
  border-bottom:1px solid var(--c-line);transition:background .18s ease;
}
.sp-point::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:3px;
  background:var(--c-primary);transform:scaleY(0);transform-origin:top;transition:transform .22s ease;
}
.sp-point:hover{background:#fff}
.sp-point:hover::before{transform:scaleY(1)}
.sp-point-num{
  flex:0 0 32px;width:32px;height:32px;border-radius:50%;background:var(--c-primary-050);
  color:var(--c-primary);font-size:13px;font-weight:700;display:flex;align-items:center;
  justify-content:center;font-variant-numeric:tabular-nums;margin-top:4px;
}
.sp-point-body{flex:1;min-width:0}
.sp-point-body h3{font-size:18px;font-weight:600;line-height:1.5;margin:0 0 6px}
.sp-point-body p{margin:0 0 10px;color:var(--c-text-2);font-size:15px;line-height:1.8}
.sp-point-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:13px;color:var(--c-text-3)}

.sp-chip{
  display:inline-flex;align-items:center;padding:3px 11px;border-radius:var(--r-pill);
  background:var(--c-primary-050);color:var(--c-primary);font-size:12px;font-weight:600;line-height:1.6;
}
.sp-chip--accent{background:var(--c-accent-050);color:#0E9E90}
.sp-chip--gray{background:#F1F0F8;color:var(--c-text-2)}

/* ============ 提醒订阅 ============ */
.sp-subscribe-inner{max-width:640px;margin:0 auto;text-align:center}
.sp-subscribe-inner h2{font-size:26px;font-weight:700;line-height:1.42;margin:0 0 10px}
.sp-subscribe-inner > p{margin:0;color:var(--c-text-2);font-size:15.5px;line-height:1.82}
.sp-sub-form{display:flex;gap:12px;margin-top:26px}
.sp-input{
  flex:1;height:48px;border-radius:var(--r-btn);border:1px solid var(--c-line);background:#fff;
  padding:0 16px;font-size:15px;color:var(--c-text);transition:border-color .18s ease,box-shadow .18s ease;
}
.sp-input::placeholder{color:var(--c-text-3)}
.sp-input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(75,59,214,.14)}
.sp-form-msg{margin-top:14px;font-size:14px;min-height:22px;line-height:1.6}
.sp-form-msg.is-ok{color:#0E9E90}
.sp-form-msg.is-err{color:var(--c-signal)}
.sp-privacy{margin-top:8px;font-size:12.5px;color:var(--c-text-3);line-height:1.7}

/* ============ 资讯卡片 ============ */
.sp-news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.sp-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;
  display:flex;flex-direction:column;height:100%;
}
.sp-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.sp-card h3{
  font-size:17px;font-weight:600;line-height:1.55;margin:14px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.sp-card h3 a{color:var(--c-text)}
.sp-card h3 a:hover{color:var(--c-primary)}
.sp-card .sp-excerpt{
  margin:0 0 18px;color:var(--c-text-2);font-size:14px;line-height:1.78;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.sp-card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--c-text-3);
}
.sp-empty{
  grid-column:1 / -1;text-align:center;padding:56px 24px;background:#fff;
  border:1px dashed var(--c-line);border-radius:var(--r-card);
}
.sp-empty svg{width:44px;height:44px;color:var(--c-primary);opacity:.5;margin:0 auto 16px}
.sp-empty p{margin:0 0 20px;color:var(--c-text-2);font-size:15px}

/* ============ 回放宽卡 ============ */
.sp-replay-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.sp-replay-card{
  display:flex;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;
}
.sp-replay-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.sp-replay-media{position:relative;flex:0 0 40%;overflow:hidden;background:rgba(75,59,214,.06);aspect-ratio:16/9}
.sp-replay-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.sp-replay-card:hover .sp-replay-media img{transform:scale(1.03)}
.sp-replay-dur{
  position:absolute;right:10px;bottom:10px;background:rgba(20,18,43,.78);color:#fff;
  font-size:12px;padding:2px 8px;border-radius:6px;font-variant-numeric:tabular-nums;
}
.sp-replay-body{flex:1;min-width:0;padding:20px;display:flex;flex-direction:column}
.sp-replay-body h3{font-size:17px;font-weight:600;line-height:1.55;margin:0 0 8px}
.sp-replay-body p{margin:0 0 14px;font-size:14px;color:var(--c-text-2);line-height:1.75}
.sp-replay-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;font-size:13px;color:var(--c-text-3);
}

/* ============ 品牌 + FAQ ============ */
.sp-duo{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.55fr);gap:56px;align-items:start}
.sp-brand-col h2{font-size:24px;font-weight:700;line-height:1.45;margin:0 0 14px}
.sp-brand-col p{color:var(--c-text-2);font-size:15.5px;line-height:1.85;margin:0 0 18px}
.sp-stat-row{display:flex;flex-wrap:wrap;gap:32px;margin-top:30px}
.sp-stat{min-width:96px}
.sp-stat-num{
  font-size:28px;font-weight:800;color:var(--c-primary);line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.sp-stat-num small{font-size:14px;font-weight:700;margin-left:2px}
.sp-stat-label{display:block;font-size:13px;color:var(--c-text-3);margin-top:8px}

.sp-faq .accordion-item{
  border:1px solid var(--c-line);border-radius:var(--r-btn);overflow:hidden;
  margin-bottom:12px;background:#fff;box-shadow:var(--sh-1);
}
.sp-faq .accordion-button{
  font-size:17px;font-weight:600;padding:17px 20px;color:var(--c-text);background:#fff;
  box-shadow:none;line-height:1.5;
}
.sp-faq .accordion-button:not(.collapsed){color:var(--c-primary);background:#fff;box-shadow:none}
.sp-faq .accordion-button:focus{box-shadow:none;border-color:transparent}
.sp-faq .accordion-button::after{
  background-image:none !important;content:"";width:10px;height:10px;
  border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(45deg);margin-top:-5px;transition:transform .2s ease;flex:0 0 10px;
}
.sp-faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);margin-top:3px}
.sp-faq .accordion-body{padding:0 20px 20px;color:var(--c-text-2);font-size:15px;line-height:1.85}

/* ============ CTA 条 ============ */
.sp-cta{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.sp-cta-box{
  display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;
  background:var(--c-dark);border-radius:var(--r-lg);padding:40px 44px;position:relative;overflow:hidden;
}
.sp-cta-box::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:24px 24px;
}
.sp-cta-text{position:relative;z-index:1;max-width:620px}
.sp-cta-text h2{color:#F2F1FA;font-size:24px;font-weight:700;line-height:1.45;margin:0 0 10px}
.sp-cta-text p{color:#B9B5D4;font-size:15px;line-height:1.8;margin:0}
.sp-cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}
.sp-cta-actions .sp-btn-primary{box-shadow:none}
.sp-cta-actions .sp-btn-ghost{color:#F2F1FA;border-color:rgba(242,241,250,.45)}
.sp-cta-actions .sp-btn-ghost:hover{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(242,241,250,.8)}

/* ============ 页脚 ============ */
.sp-footer{position:relative;background:var(--c-dark);color:#B9B5D4;padding:72px 0 0;overflow:hidden}
.sp-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:26px 26px;
}
.sp-footer .container{position:relative;z-index:1}
.sp-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.sp-footer h4{font-size:15px;font-weight:600;color:#F2F1FA;margin:0 0 18px;letter-spacing:.01em}
.sp-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.sp-footer-brand span{font-size:16px;font-weight:700;color:#F2F1FA}
.sp-footer p{font-size:14px;line-height:1.85;color:#B9B5D4;margin:0}
.sp-footer ul{list-style:none;margin:0;padding:0}
.sp-footer li{margin-bottom:11px}
.sp-footer li a{font-size:14px;color:#B9B5D4}
.sp-footer li a:hover{color:var(--c-accent)}
.sp-footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.10);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:#8E89A8;
}
.sp-footer-bottom a{color:#8E89A8}
.sp-footer-bottom a:hover{color:var(--c-accent)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .sp-footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:991.98px){
  .sp-hero{padding:40px 0 56px}
  .sp-hero h1{font-size:28px}
  .sp-section{padding:64px 0}
  .sp-section--tight{padding:52px 0}
  .sp-news-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .sp-replay-grid{grid-template-columns:1fr}
  .sp-duo{grid-template-columns:1fr;gap:40px}
  .sp-cta-box{padding:32px 28px}
  .sp-footer{padding-top:56px}
  .sp-footer-grid{grid-template-columns:1fr 1fr;gap:32px 24px}
}
@media (max-width:767.98px){
  .sp-replay-card{flex-direction:column}
  .sp-replay-media{flex:none;width:100%;aspect-ratio:16/10}
}
@media (max-width:575.98px){
  body{font-size:15.5px;line-height:1.8}
  .sp-hero{padding:32px 0 44px}
  .sp-hero h1{font-size:26px;line-height:1.4}
  .sp-hero-sub{font-size:15.5px}
  .sp-hero-actions{flex-direction:column;align-items:stretch}
  .sp-hero-actions .sp-btn{width:100%}
  .sp-cover-figure{aspect-ratio:16/10}
  .sp-cd-num{font-size:28px}
  .sp-section{padding:48px 0}
  .sp-section--tight{padding:44px 0}
  .sp-sec-head{margin-bottom:28px}
  .sp-sec-head h2,.sp-subscribe-inner h2{font-size:22px}
  .sp-news-grid{grid-template-columns:1fr;gap:16px}
  .sp-point{gap:14px;padding:20px 12px}
  .sp-sub-form{flex-direction:column}
  .sp-sub-form .sp-btn{width:100%}
  .sp-cta-box{padding:28px 20px;border-radius:18px}
  .sp-cta-text h2{font-size:20px}
  .sp-cta-actions{width:100%}
  .sp-cta-actions .sp-btn{width:100%}
  .sp-footer-grid{grid-template-columns:1fr;gap:28px}
  .sp-footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .sp-card:hover,.sp-btn:hover,.sp-replay-card:hover{transform:none !important}
  .sp-replay-card:hover .sp-replay-media img{transform:none !important}
}

/* roulang page: article */
:root{
  --c-primary:#4B3BD6;
  --c-primary-600:#3A2CBE;
  --c-primary-050:#EEECFB;
  --c-accent:#17C6B4;
  --c-accent-050:#E4FAF7;
  --c-signal:#FF7A3D;
  --c-bg:#F7F6FC;
  --c-surface:#FFFFFF;
  --c-dark:#14122B;
  --c-text:#23203A;
  --c-text-2:#625D80;
  --c-text-3:#8E89A8;
  --c-line:#E5E2F2;
  --c-dark-text:#F2F1FA;
  --c-dark-text-2:#B9B5D4;
  --r-card:18px;
  --r-lg:24px;
  --r-btn:12px;
  --r-img:14px;
  --r-pill:999px;
  --sh-1:0 2px 10px rgba(22,19,43,.05);
  --sh-2:0 14px 34px rgba(22,19,43,.10);
  --s-1:8px; --s-2:16px; --s-3:24px; --s-4:32px; --s-5:48px; --s-6:72px; --s-7:96px;

  --bs-primary:#4B3BD6;
  --bs-primary-rgb:75,59,214;
  --bs-body-bg:#F7F6FC;
  --bs-body-color:#23203A;
  --bs-border-color:#E5E2F2;
  --bs-border-radius:12px;
  --bs-border-radius-lg:18px;
  --bs-link-color:#4B3BD6;
  --bs-link-hover-color:#3A2CBE;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  padding-bottom:calc(76px + env(safe-area-inset-bottom));
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-600);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--c-text);letter-spacing:.2px;}
p{margin:0 0 18px;}
ul,ol{margin:0 0 18px;padding-left:1.25em;}
li{line-height:1.75;margin-bottom:8px;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
::selection{background:var(--c-primary-050);color:var(--c-primary-600);}

.sp-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ============ 顶部导航 ============ */
.sp-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease;
}
.sp-header.is-scrolled{box-shadow:0 6px 20px rgba(22,19,43,.07);}
.sp-header-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.sp-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:var(--c-text);
  white-space:nowrap;
}
.sp-brand:hover{color:var(--c-primary);}
.sp-brand svg{flex:0 0 auto;}
.sp-nav{
  display:flex;
  align-items:center;
  gap:6px;
}
.sp-nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--c-text-2);
  border-radius:10px;
}
.sp-nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  background:var(--c-primary);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}
.sp-nav-link:hover{color:var(--c-primary);}
.sp-nav-link:hover::after{transform:scaleX(1);}
.sp-nav-link.active{color:var(--c-primary);font-weight:600;}
.sp-nav-link.active::after{transform:scaleX(1);}
.sp-header-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 20px;
  font-size:14.5px;
  font-weight:600;
  color:#fff;
  background:var(--c-primary);
  border:none;
  border-radius:var(--r-btn);
  box-shadow:var(--sh-1);
  transition:all .18s ease;
}
.sp-header-cta:hover{background:var(--c-primary-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.sp-burger{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  border:1px solid var(--c-line);
  background:#fff;
  border-radius:12px;
  color:var(--c-text);
}
.sp-mobile-menu{
  border-top:1px solid var(--c-line);
  background:#fff;
  padding:8px 0 16px;
}
.sp-mobile-menu a{
  display:block;
  padding:12px 4px;
  font-size:15.5px;
  color:var(--c-text-2);
  border-bottom:1px solid var(--c-line);
}
.sp-mobile-menu a:last-child{border-bottom:none;}
.sp-mobile-menu a.active{color:var(--c-primary);font-weight:600;}

/* ============ 移动底部 Tab ============ */
.sp-tabbar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:1040;
  display:none;
  background:#fff;
  border-top:1px solid var(--c-line);
  box-shadow:0 -6px 18px rgba(22,19,43,.07);
  padding-bottom:env(safe-area-inset-bottom);
}
.sp-tabbar-inner{
  display:flex;
  height:60px;
}
.sp-tab{
  flex:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  font-size:10px;
  color:var(--c-text-3);
  position:relative;
}
.sp-tab i,.sp-tab svg{font-size:19px;}
.sp-tab.active{color:var(--c-primary);}
.sp-tab.active::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  transform:translateX(-50%);
  width:26px;height:2px;
  background:var(--c-primary);
  border-radius:2px;
}

/* ============ 面包屑 ============ */
.sp-crumb{
  padding:22px 0 0;
  font-size:13px;
  color:var(--c-text-3);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
}
.sp-crumb a{color:var(--c-text-3);}
.sp-crumb a:hover{color:var(--c-primary);}
.sp-crumb .sep{color:#C6C2DA;}
.sp-crumb .cur{color:var(--c-text);}

/* ============ 文章布局 ============ */
.sp-article-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) 210px;
  gap:56px;
  align-items:start;
  padding:26px 0 72px;
}
.sp-article-main{min-width:0;max-width:800px;}

.sp-article-head{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:36px 40px 30px;
  box-shadow:var(--sh-1);
}
.sp-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 14px;
  font-size:12.5px;
  font-weight:600;
  color:var(--c-primary);
  background:var(--c-primary-050);
  border-radius:var(--r-pill);
}
.sp-badge-accent{color:#0E8F82;background:var(--c-accent-050);}
.sp-article-head h1{
  font-size:34px;
  line-height:1.42;
  margin:16px 0 14px;
  letter-spacing:.3px;
}
.sp-article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:20px;
  font-size:13.5px;
  color:var(--c-text-3);
  padding-top:18px;
  border-top:1px solid var(--c-line);
}
.sp-article-meta span{display:inline-flex;align-items:center;gap:7px;}
.sp-article-meta i{color:var(--c-primary);font-size:13px;}

/* 正文排版 */
.sp-article-body{
  margin-top:24px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:40px;
  box-shadow:var(--sh-1);
}
.sp-article-content{font-size:16px;line-height:1.85;color:var(--c-text);}
.sp-article-content > p:first-of-type{font-weight:500;color:#2E2A4A;}
.sp-article-content p{margin:0 0 18px;}
.sp-article-content h2{
  font-size:25px;
  line-height:1.4;
  margin:1.6em 0 .6em;
  padding-left:14px;
  border-left:4px solid var(--c-primary);
  scroll-margin-top:96px;
}
.sp-article-content h3{
  font-size:19px;
  line-height:1.45;
  margin:1.5em 0 .55em;
  color:#2E2A4A;
  scroll-margin-top:96px;
}
.sp-article-content h2:first-child,
.sp-article-content h3:first-child{margin-top:0;}
.sp-article-content ul,.sp-article-content ol{padding-left:1.3em;margin:0 0 18px;}
.sp-article-content li{margin-bottom:9px;line-height:1.75;}
.sp-article-content img{
  width:100%;
  border-radius:var(--r-img);
  margin:22px 0;
  background:rgba(75,59,214,.06);
  border:1px solid var(--c-line);
}
.sp-article-content blockquote{
  margin:22px 0;
  padding:16px 22px;
  background:var(--c-primary-050);
  border-left:3px solid var(--c-primary);
  border-radius:0 12px 12px 0;
  color:var(--c-text-2);
  font-size:15.5px;
}
.sp-article-content blockquote p:last-child{margin-bottom:0;}
.sp-article-content a{
  color:var(--c-primary);
  border-bottom:1px solid rgba(75,59,214,.35);
}
.sp-article-content a:hover{border-bottom-color:var(--c-primary);}
.sp-article-content table{
  width:100%;
  border-collapse:collapse;
  margin:22px 0;
  font-size:14.5px;
  display:block;
  overflow-x:auto;
}
.sp-article-content th,.sp-article-content td{
  border:1px solid var(--c-line);
  padding:10px 14px;
  text-align:left;
}
.sp-article-content th{background:var(--c-bg);font-weight:600;}
.sp-article-content pre{
  background:#1B1938;
  color:#E9E7F7;
  padding:18px 20px;
  border-radius:12px;
  overflow-x:auto;
  font-size:13.5px;
  line-height:1.7;
}
.sp-article-content code{
  background:var(--c-primary-050);
  color:var(--c-primary-600);
  padding:2px 7px;
  border-radius:6px;
  font-size:14px;
}
.sp-article-content pre code{background:none;color:inherit;padding:0;}

/* 空态 */
.sp-empty{
  text-align:center;
  padding:64px 28px;
  background:var(--c-surface);
  border:1px dashed var(--c-line);
  border-radius:var(--r-lg);
}
.sp-empty-ico{
  width:64px;height:64px;
  margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
  border-radius:20px;
  background:var(--c-primary-050);
  color:var(--c-primary);
  font-size:24px;
}
.sp-empty h3{font-size:19px;margin-bottom:10px;}
.sp-empty p{color:var(--c-text-2);font-size:15px;margin-bottom:22px;}

/* 标签 */
.sp-tag-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:28px;
  font-size:13.5px;
  color:var(--c-text-3);
}
.sp-tag{
  display:inline-block;
  padding:6px 14px;
  font-size:13px;
  color:var(--c-text-2);
  background:var(--c-bg);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  transition:all .18s ease;
}
.sp-tag:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-050);}

/* 返回 */
.sp-back-row{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;}
.sp-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 26px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:all .18s ease;
}
.sp-btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.sp-btn-primary:hover{background:var(--c-primary-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.sp-btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.sp-btn-ghost:hover{background:var(--c-primary-050);color:var(--c-primary-600);}
.sp-link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14.5px;
  font-weight:600;
  color:var(--c-primary);
}
.sp-link-arrow i,.sp-link-arrow svg{transition:transform .18s ease;}
.sp-link-arrow:hover i{transform:translateX(4px);}

/* 侧栏目录 */
.sp-toc{
  position:sticky;
  top:96px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:20px 18px;
  box-shadow:var(--sh-1);
}
.sp-toc-title{
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  color:var(--c-text-3);
  margin-bottom:12px;
}
.sp-toc-list{list-style:none;margin:0;padding:0;}
.sp-toc-list li{margin:0 0 2px;}
.sp-toc-list a{
  display:block;
  padding:6px 10px;
  font-size:13.5px;
  line-height:1.5;
  color:var(--c-text-2);
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
}
.sp-toc-list a:hover{color:var(--c-primary);background:var(--c-bg);}
.sp-toc-list a.active{
  color:var(--c-primary);
  font-weight:600;
  border-left-color:var(--c-primary);
  background:var(--c-primary-050);
}
.sp-toc-list a.lv3{padding-left:22px;font-size:13px;}

/* ============ 相关推荐 ============ */
.sp-section{padding:0 0 80px;}
.sp-section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.sp-section-head h2{
  font-size:26px;
  line-height:1.35;
}
.sp-section-head p{
  margin:8px 0 0;
  font-size:14.5px;
  color:var(--c-text-2);
  max-width:640px;
}
.sp-card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.sp-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-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.sp-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D9D4F0;}
.sp-card-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:rgba(75,59,214,.06);
}
.sp-card-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .35s ease;
}
.sp-card:hover .sp-card-media img{transform:scale(1.04);}
.sp-card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.sp-card-body h3{
  font-size:17px;
  line-height:1.55;
  margin:12px 0 8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.sp-card-body h3 a{color:var(--c-text);}
.sp-card-body h3 a:hover{color:var(--c-primary);}
.sp-card-desc{
  font-size:14px;
  line-height:1.72;
  color:var(--c-text-2);
  margin:0 0 16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.sp-card-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--c-line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--c-text-3);
}

/* ============ CTA ============ */
.sp-cta{
  background:var(--c-dark);
  border-radius:var(--r-lg);
  padding:52px 48px;
  color:var(--c-dark-text);
  position:relative;
  overflow:hidden;
  margin-bottom:80px;
}
.sp-cta::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.9;
  pointer-events:none;
}
.sp-cta-inner{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.sp-cta h2{color:#fff;font-size:25px;margin-bottom:10px;}
.sp-cta p{color:var(--c-dark-text-2);margin:0;font-size:15px;max-width:560px;}
.sp-cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.sp-footer{
  background:var(--c-dark);
  color:var(--c-dark-text-2);
  padding:64px 0 26px;
  position:relative;
  overflow:hidden;
}
.sp-footer::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:24px 24px;
  pointer-events:none;
}
.sp-footer .container{position:relative;}
.sp-footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.09);
}
.sp-footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
}
.sp-footer-grid p{font-size:14px;line-height:1.8;margin:0;color:var(--c-dark-text-2);}
.sp-footer h4{
  font-size:15px;
  color:#fff;
  margin-bottom:16px;
  font-weight:600;
}
.sp-footer ul{list-style:none;margin:0;padding:0;}
.sp-footer li{font-size:14px;margin-bottom:10px;line-height:1.7;}
.sp-footer a{color:var(--c-dark-text-2);}
.sp-footer a:hover{color:var(--c-accent);}
.sp-footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:22px;
  font-size:13px;
  color:#8C88AC;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .sp-article-wrap{grid-template-columns:minmax(0,1fr);gap:0;}
  .sp-toc{display:none;}
  .sp-article-main{max-width:none;}
}
@media (max-width:991px){
  .sp-nav{display:none!important;}
  .sp-header-cta{display:none;}
  .sp-burger{display:inline-flex;}
  .sp-tabbar{display:block;}
  .sp-card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .sp-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .sp-article-body{padding:30px;}
  .sp-article-head{padding:28px 26px 24px;}
  .sp-article-head h1{font-size:27px;}
}
@media (max-width:575px){
  .sp-container{padding-left:16px;padding-right:16px;}
  .sp-crumb{font-size:12.5px;padding-top:16px;}
  .sp-article-wrap{padding:18px 0 52px;}
  .sp-article-head{padding:22px 18px 18px;border-radius:var(--r-card);}
  .sp-article-head h1{font-size:24px;line-height:1.45;}
  .sp-article-meta{gap:14px;font-size:12.5px;}
  .sp-article-body{padding:22px 18px;border-radius:var(--r-card);}
  .sp-article-content{font-size:15.5px;line-height:1.8;}
  .sp-article-content h2{font-size:21px;}
  .sp-article-content h3{font-size:17.5px;}
  .sp-card-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
  .sp-section{padding-bottom:52px;}
  .sp-section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:20px;}
  .sp-section-head h2{font-size:22px;}
  .sp-cta{padding:34px 22px;border-radius:var(--r-card);margin-bottom:52px;}
  .sp-cta h2{font-size:21px;}
  .sp-cta-actions{width:100%;}
  .sp-cta-actions .sp-btn{flex:1;}
  .sp-footer{padding:44px 0 22px;}
  .sp-footer-grid{grid-template-columns:1fr 1fr;gap:26px;padding-bottom:28px;}
  .sp-footer-brand{font-size:15.5px;}
  .sp-btn{padding:11px 20px;font-size:14.5px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;}
  html{scroll-behavior:auto;}
  .sp-card:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --c-primary:#4B3BD6;
  --c-primary-600:#3A2CBE;
  --c-primary-050:#EEECFB;
  --c-accent:#17C6B4;
  --c-accent-050:#E4FAF7;
  --c-signal:#FF7A3D;
  --c-bg:#F7F6FC;
  --c-surface:#FFFFFF;
  --c-dark:#14122B;
  --c-text:#23203A;
  --c-text-2:#625D80;
  --c-text-3:#8E89A8;
  --c-line:#E5E2F2;
  --r-card:18px;
  --r-lg:24px;
  --r-btn:12px;
  --r-img:14px;
  --sh-1:0 2px 10px rgba(22,19,43,.05);
  --sh-2:0 14px 34px rgba(22,19,43,.10);
  --bs-primary:#4B3BD6;
  --bs-body-bg:#F7F6FC;
  --bs-body-color:#23203A;
  --bs-border-color:#E5E2F2;
  --bs-border-radius:12px;
  --bs-link-color:#4B3BD6;
  --bs-link-hover-color:#3A2CBE;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;background:rgba(75,59,214,.06);border-radius:var(--r-img)}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-primary-600)}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-text);line-height:1.4;letter-spacing:0}
h1{font-size:32px;line-height:1.3}
h2{font-size:26px;line-height:1.35}
h3{font-size:20px}
h4{font-size:17px}
p{margin:0 0 18px}
ul,ol{margin:0;padding:0}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%}
.sp-section{padding:88px 0}
.sp-section-sm{padding:64px 0}
.sp-section-head{max-width:760px;margin-bottom:40px}
.sp-section-head p{color:var(--c-text-2);margin:12px 0 0}
.sp-eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--c-primary);background:var(--c-primary-050);padding:4px 12px;border-radius:999px;margin-bottom:14px}
.sp-num{font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ============ 顶部导航 ============ */
.sp-header{
  position:sticky;top:0;z-index:1040;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease;
}
.sp-header.is-stuck{box-shadow:0 6px 22px rgba(22,19,43,.07)}
.sp-header-inner{display:flex;align-items:center;height:72px;gap:24px}
.sp-logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--c-text);flex:0 0 auto}
.sp-logo:hover{color:var(--c-primary)}
.sp-logo svg{flex:0 0 auto}
.sp-nav{display:flex;align-items:center;gap:6px;margin:0 auto}
.sp-nav-link{
  position:relative;display:inline-block;padding:10px 14px;font-size:15px;font-weight:500;
  color:var(--c-text-2);border-radius:10px;white-space:nowrap;
}
.sp-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.sp-nav-link:hover{color:var(--c-primary)}
.sp-nav-link:hover::after{transform:scaleX(1)}
.sp-nav-link.active{color:var(--c-primary);font-weight:600}
.sp-nav-link.active::after{transform:scaleX(1)}
.sp-header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}

/* ============ 按钮 ============ */
.sp-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .18s ease;line-height:1.4;
}
.sp-btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 4px 14px rgba(75,59,214,.22)}
.sp-btn-primary:hover{background:var(--c-primary-600);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(75,59,214,.28)}
.sp-btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.sp-btn-ghost:hover{background:var(--c-primary-050);color:var(--c-primary-600);border-color:var(--c-primary-600)}
.sp-btn-accent{background:var(--c-accent);color:#08322e}
.sp-btn-accent:hover{background:#11b3a3;color:#062a26;transform:translateY(-1px)}
.sp-btn-sm{padding:9px 18px;font-size:14px}
.sp-btn-block{width:100%}
.sp-btn[disabled]{opacity:.4;cursor:not-allowed;transform:none}
.sp-btn-text{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--c-primary);background:none;border:0;padding:8px 0;cursor:pointer}
.sp-btn-text svg{transition:transform .18s ease}
.sp-btn-text:hover svg{transform:translateX(4px)}

/* ============ 徽章 / 标签 ============ */
.sp-badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:999px;background:var(--c-primary-050);color:var(--c-primary)}
.sp-badge-accent{background:var(--c-accent-050);color:#0d7d71}
.sp-badge-live{background:var(--c-signal);color:#fff}
.sp-badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;display:inline-block}
.sp-badge-muted{background:#F0EFF6;color:var(--c-text-3)}
.sp-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.sp-chip{
  padding:8px 18px;border-radius:999px;border:1px solid var(--c-line);background:#fff;
  font-size:14px;font-weight:500;color:var(--c-text-2);cursor:pointer;transition:all .18s ease;
}
.sp-chip:hover{border-color:var(--c-primary);color:var(--c-primary)}
.sp-chip.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}

/* ============ 面包屑 ============ */
.sp-crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);margin-bottom:12px;flex-wrap:wrap}
.sp-crumb a{color:var(--c-text-3)}
.sp-crumb a:hover{color:var(--c-primary)}
.sp-crumb .current{color:var(--c-text);font-weight:600}

/* ============ 页面头图区 ============ */
.sp-page-hero{padding:36px 0 0}
.sp-page-hero-grid{
  display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:48px;box-shadow:var(--sh-1);margin-top:8px;
}
.sp-page-hero h1{margin:14px 0 16px;max-width:520px}
.sp-page-hero-text>p{color:var(--c-text-2);max-width:560px}
.sp-hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:26px}
.sp-page-hero-media img{
  width:100%;height:260px;object-fit:cover;border-radius:var(--r-lg);
  box-shadow:0 12px 30px rgba(22,19,43,.10);
}

/* ============ 时间轴 ============ */
.sp-timeline{list-style:none;position:relative}
.sp-timeline-item{position:relative;display:grid;grid-template-columns:104px 1fr;padding-bottom:4px}
.sp-timeline-item::before{
  content:"";position:absolute;left:103px;top:16px;bottom:-6px;width:2px;background:var(--c-line);
}
.sp-timeline-item:last-child::before{display:none}
.sp-timeline-item::after{
  content:"";position:absolute;left:96px;top:22px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--c-primary);z-index:1;
}
.sp-timeline-item.is-done::after{border-color:var(--c-line)}
.sp-timeline-time{
  font-size:17px;font-weight:700;color:var(--c-primary);padding-top:16px;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.sp-timeline-item.is-done .sp-timeline-time{color:var(--c-text-3)}
.sp-timeline-body{padding:8px 0 30px 32px}
.sp-timeline-body h3{font-size:19px;margin-bottom:6px}
.sp-timeline-body p{color:var(--c-text-2);font-size:15px;margin:0 0 10px;max-width:720px}
.sp-timeline-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:4px}
.sp-timeline-meta{font-size:13px;color:var(--c-text-3);display:flex;gap:16px;flex-wrap:wrap}

/* ============ 卡片 ============ */
.sp-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;
  overflow:hidden;height:100%;display:flex;flex-direction:column;
}
.sp-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.sp-card-body{padding:24px}
.sp-card-body h3{font-size:18px;margin-bottom:10px}
.sp-card-body p{color:var(--c-text-2);font-size:15px;margin:0}
.sp-card-media{position:relative;overflow:hidden}
.sp-card-media img{width:100%;height:190px;object-fit:cover;border-radius:0;transition:transform .3s ease}
.sp-card:hover .sp-card-media img{transform:scale(1.04)}
.sp-card-cover img{height:180px}

/* ============ 数据条 ============ */
.sp-stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;
}
.sp-stat{padding:32px 24px;border-right:1px solid var(--c-line);text-align:center}
.sp-stat:last-child{border-right:0}
.sp-stat strong{display:block;font-size:32px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1.2}
.sp-stat span{font-size:14px;color:var(--c-text-2)}

/* ============ 流程 ============ */
.sp-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.sp-step{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease}
.sp-step:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.sp-step-no{
  width:36px;height:36px;border-radius:12px;background:var(--c-primary-050);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;margin-bottom:16px;
}
.sp-step h3{font-size:17px;margin-bottom:8px}
.sp-step p{font-size:14.5px;color:var(--c-text-2);margin:0}

/* ============ 场景列表 ============ */
.sp-scene-list{display:grid;gap:16px}
.sp-scene{
  display:flex;gap:20px;align-items:flex-start;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:all .18s ease;
  border-left:3px solid transparent;
}
.sp-scene:hover{border-left-color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-2)}
.sp-scene-icon{
  flex:0 0 auto;width:44px;height:44px;border-radius:14px;background:var(--c-accent-050);
  display:flex;align-items:center;justify-content:center;
}
.sp-scene h3{font-size:17px;margin-bottom:6px}
.sp-scene p{margin:0;color:var(--c-text-2);font-size:15px}

/* ============ 手风琴 ============ */
.sp-faq .accordion-item{
  border:1px solid var(--c-line);border-radius:14px !important;overflow:hidden;
  margin-bottom:12px;background:#fff;box-shadow:var(--sh-1);
}
.sp-faq .accordion-button{
  font-size:17px;font-weight:600;color:var(--c-text);background:#fff;
  padding:18px 20px;box-shadow:none !important;border:0;
}
.sp-faq .accordion-button:not(.collapsed){color:var(--c-primary);background:var(--c-primary-050)}
.sp-faq .accordion-button::after{
  content:"+";background-image:none;font-size:22px;font-weight:400;line-height:1;
  width:26px;height:26px;display:flex;align-items:center;justify-content:center;
  color:var(--c-primary);flex:0 0 auto;
}
.sp-faq .accordion-button:not(.collapsed)::after{content:"–"}
.sp-faq .accordion-body{padding:6px 20px 22px;color:var(--c-text-2);font-size:15px;line-height:1.8}
.sp-faq .accordion-body p:last-child{margin-bottom:0}

/* ============ 提示框 ============ */
.sp-note{
  background:var(--c-primary-050);border-left:3px solid var(--c-primary);
  border-radius:0 14px 14px 0;padding:18px 22px;color:var(--c-text-2);font-size:15px;
}
.sp-note strong{color:var(--c-text)}

/* ============ 订阅表单 ============ */
.sp-subscribe{
  max-width:720px;margin:0 auto;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:44px 40px;box-shadow:var(--sh-1);text-align:center;
}
.sp-subscribe h2{margin-bottom:12px}
.sp-subscribe>p{color:var(--c-text-2);max-width:520px;margin:0 auto 26px;font-size:15px}
.sp-form-row{display:flex;gap:12px;align-items:stretch}
.sp-form-row input{
  flex:1 1 auto;height:48px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  padding:0 16px;font-size:15px;background:#fff;color:var(--c-text);transition:border-color .18s ease,box-shadow .18s ease;
}
.sp-form-row input::placeholder{color:var(--c-text-3)}
.sp-form-row input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(75,59,214,.12)}
.sp-form-row .sp-btn{height:48px;flex:0 0 auto}
.sp-form-hint{font-size:12.5px;color:var(--c-text-3);margin:14px 0 0}
.sp-form-msg{font-size:13.5px;font-weight:600;margin-top:8px;min-height:20px}
.sp-form-msg.ok{color:var(--c-accent)}
.sp-form-msg.err{color:var(--c-signal)}

/* ============ CTA 深色区 ============ */
.sp-cta{
  background:var(--c-dark);border-radius:var(--r-lg);padding:64px 48px;text-align:center;position:relative;overflow:hidden;
}
.sp-cta::before{
  content:"";position:absolute;inset:0;opacity:.06;
  background-image:radial-gradient(#fff 1px,transparent 1px);
  background-size:22px 22px;
}
.sp-cta>*{position:relative}
.sp-cta h2{color:#F2F1FA;margin-bottom:14px}
.sp-cta p{color:#B9B5D4;max-width:600px;margin:0 auto 30px;font-size:15px}
.sp-cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ============ 页脚 ============ */
.sp-footer{background:var(--c-dark);color:#B9B5D4;padding:72px 0 28px;position:relative;margin-top:0}
.sp-footer::before{
  content:"";position:absolute;inset:0;opacity:.05;
  background-image:radial-gradient(#fff 1px,transparent 1px);background-size:24px 24px;pointer-events:none;
}
.sp-footer .container{position:relative}
.sp-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.sp-footer h4{color:#F2F1FA;font-size:15px;margin-bottom:16px;font-weight:600}
.sp-footer ul{list-style:none}
.sp-footer li{font-size:14px;line-height:2;color:#B9B5D4}
.sp-footer a{color:#B9B5D4}
.sp-footer a:hover{color:var(--c-accent)}
.sp-footer-brand{display:flex;align-items:center;gap:10px;color:#F2F1FA;font-weight:700;font-size:17px;margin-bottom:14px}
.sp-footer p{font-size:14px;line-height:1.9;color:#B9B5D4;margin:0;max-width:340px}
.sp-footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8E89A8;
}
.sp-footer-bottom a{color:#8E89A8}

/* ============ 移动端底部 Tab ============ */
.sp-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:1050;display:flex;background:#fff;
  border-top:1px solid var(--c-line);box-shadow:0 -6px 20px rgba(22,19,43,.07);
  padding-bottom:env(safe-area-inset-bottom);
}
.sp-tab-item{
  flex:1 1 0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:60px;font-size:10px;color:var(--c-text-3);position:relative;
}
.sp-tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.sp-tab-item.active{color:var(--c-primary);font-weight:600}
.sp-tab-item.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;border-radius:2px;background:var(--c-primary);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .sp-page-hero-grid{gap:36px;padding:40px}
  .sp-footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:991.98px){
  body{padding-bottom:76px}
  .sp-section{padding:64px 0}
  .sp-section-sm{padding:52px 0}
  .sp-page-hero-grid{grid-template-columns:1fr;gap:28px;padding:32px}
  .sp-page-hero-media img{height:220px}
  .sp-stat-row{grid-template-columns:repeat(2,1fr)}
  .sp-stat{border-bottom:1px solid var(--c-line)}
  .sp-stat:nth-child(2n){border-right:0}
  .sp-stat:nth-child(3),.sp-stat:nth-child(4){border-bottom:0}
  .sp-steps{grid-template-columns:repeat(2,1fr)}
  .sp-footer-grid{grid-template-columns:repeat(2,1fr)}
  .sp-cta{padding:52px 28px}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px}
  h1{font-size:26px;line-height:1.34}
  h2{font-size:22px;line-height:1.4}
  h3{font-size:18px}
  body{font-size:15.5px;line-height:1.8}
  .sp-section{padding:48px 0}
  .sp-section-sm{padding:40px 0}
  .sp-section-head{margin-bottom:28px}
  .sp-timeline-item{grid-template-columns:1fr;padding-left:36px}
  .sp-timeline-item::before{left:7px;top:14px;bottom:14px}
  .sp-timeline-item::after{left:0;top:20px}
  .sp-timeline-time{padding-top:0}
  .sp-timeline-body{padding:6px 0 28px}
  .sp-timeline-body h3{font-size:17px}
  .sp-steps{grid-template-columns:1fr}
  .sp-scene{flex-direction:column;gap:12px;padding:20px}
  .sp-subscribe{padding:32px 20px}
  .sp-form-row{flex-direction:column;gap:12px}
  .sp-form-row .sp-btn{width:100%}
  .sp-stat strong{font-size:26px}
  .sp-footer{padding:48px 0 24px}
  .sp-footer-grid{grid-template-columns:1fr;gap:28px}
  .sp-footer-bottom{margin-top:32px;flex-direction:column;gap:8px}
  .sp-cta{border-radius:var(--r-card);padding:40px 22px}
  .sp-page-hero{padding:24px 0 0}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .sp-card:hover,.sp-step:hover,.sp-scene:hover{transform:none}
}

/* roulang page: category2 */
/* ===== 设计令牌 ===== */
:root{
  --c-primary:#4B3BD6;
  --c-primary-600:#3A2CBE;
  --c-primary-050:#EEECFB;
  --c-accent:#17C6B4;
  --c-accent-050:#E4FAF7;
  --c-signal:#FF7A3D;
  --c-bg:#F7F6FC;
  --c-surface:#FFFFFF;
  --c-dark:#14122B;
  --c-text:#23203A;
  --c-text-2:#625D80;
  --c-text-3:#8E89A8;
  --c-line:#E5E2F2;
  --c-dark-text:#F2F1FA;
  --c-dark-text-2:#B9B5D4;

  --r-card:18px;
  --r-lg:24px;
  --r-btn:12px;
  --r-img:14px;

  --sh-1:0 2px 10px rgba(22,19,43,.05);
  --sh-2:0 14px 34px rgba(22,19,43,.10);

  --sp-8:8px; --sp-16:16px; --sp-24:24px; --sp-32:32px; --sp-48:48px; --sp-72:72px; --sp-96:96px;

  --bs-primary:#4B3BD6;
  --bs-body-bg:#F7F6FC;
  --bs-body-color:#23203A;
  --bs-border-color:#E5E2F2;
  --bs-border-radius:12px;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}

/* ===== 基础 ===== */
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-600);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-text);font-weight:700;line-height:1.35;}
h1{font-size:32px;letter-spacing:-.2px;}
h2{font-size:26px;}
h3{font-size:20px;line-height:1.45;}
h4{font-size:17px;line-height:1.5;}
p{margin:0 0 18px;color:var(--c-text-2);}
p:last-child{margin-bottom:0;}
ul{padding-left:0;list-style:none;margin:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media (min-width:1400px){ .container{max-width:1200px;} }

.sp-section{padding:80px 0;border-top:1px solid var(--c-line);}
.sp-section--plain{border-top:0;}
.sp-section--dark{background:var(--c-dark);border-top:0;}
.sp-section--tint{background:linear-gradient(180deg,#F2F1FB 0%,var(--c-bg) 100%);border-top:0;}
.sp-section-head{max-width:760px;margin-bottom:40px;}
.sp-section-head h2{margin-bottom:12px;}
.sp-section-head p{margin:0;font-size:15.5px;}
.sp-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--c-primary);background:var(--c-primary-050);
  padding:6px 14px;border-radius:999px;margin-bottom:14px;
}
.sp-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}

/* ===== 按钮 ===== */
.sp-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .18s ease;line-height:1.2;
}
.sp-btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.sp-btn-primary:hover{background:var(--c-primary-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.sp-btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.sp-btn-outline:hover{background:var(--c-primary-050);color:var(--c-primary-600);}
.sp-btn-ghost{background:#fff;color:var(--c-text);border-color:var(--c-line);}
.sp-btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);}
.sp-link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;}
.sp-link-arrow svg{transition:transform .18s ease;}
.sp-link-arrow:hover svg{transform:translateX(4px);}

/* ===== 顶部导航 ===== */
.sp-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease;
}
.sp-header.is-scrolled{box-shadow:0 6px 22px rgba(22,19,43,.07);}
.sp-header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.sp-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.sp-logo-text{font-size:17px;font-weight:700;color:var(--c-text);letter-spacing:-.2px;white-space:nowrap;}
.sp-nav{display:flex;align-items:center;gap:6px;}
.sp-nav-link{
  position:relative;display:inline-block;padding:10px 14px;font-size:15px;font-weight:500;
  color:var(--c-text-2);border-radius:10px;
}
.sp-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--c-primary);border-radius:2px;transform:scaleX(0);transform-origin:center;
  transition:transform .2s ease;
}
.sp-nav-link:hover{color:var(--c-primary);}
.sp-nav-link:hover::after{transform:scaleX(1);}
.sp-nav-link.active{color:var(--c-primary);font-weight:600;}
.sp-nav-link.active::after{transform:scaleX(1);}
.sp-header-actions{display:flex;align-items:center;gap:12px;}
.sp-header-actions .sp-btn{padding:10px 20px;font-size:14.5px;}

/* ===== 移动底部 Tab ===== */
.sp-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;display:flex;
  background:#fff;border-top:1px solid var(--c-line);
  box-shadow:0 -6px 20px rgba(22,19,43,.07);
  padding-bottom:env(safe-area-inset-bottom);
}
.sp-tab{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:60px;font-size:10px;color:var(--c-text-3);position:relative;
}
.sp-tab svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.sp-tab span{line-height:1;}
.sp-tab.active{color:var(--c-primary);font-weight:600;}
.sp-tab.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;background:var(--c-primary);border-radius:0 0 2px 2px;
}

/* ===== 面包屑 ===== */
.sp-crumb{font-size:13px;color:var(--c-text-3);padding-top:24px;display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.sp-crumb a{color:var(--c-text-3);}
.sp-crumb a:hover{color:var(--c-primary);}
.sp-crumb .sep{color:#C9C5DC;}
.sp-crumb .cur{color:var(--c-text);}

/* ===== 内页 Hero ===== */
.sp-page-hero{padding:24px 0 0;}
.sp-hero-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.sp-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:40px;}
.sp-hero-copy h1{margin-bottom:14px;}
.sp-hero-copy .sp-hero-sub{font-size:16px;color:var(--c-text-2);margin-bottom:24px;max-width:560px;}
.sp-hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.sp-chip{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500;
  padding:6px 13px;border-radius:999px;background:var(--c-accent-050);color:#0E8E80;
}
.sp-chip--primary{background:var(--c-primary-050);color:var(--c-primary);}
.sp-hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;}
.sp-hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;height:250px;background:rgba(75,59,214,.06);border:1px solid var(--c-line);}
.sp-hero-media img{width:100%;height:100%;object-fit:cover;}
.sp-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,18,43,0) 40%,rgba(20,18,43,.62) 100%);
}
.sp-hero-media-label{
  position:absolute;left:18px;bottom:16px;z-index:2;color:#fff;font-size:14px;font-weight:600;
  display:flex;align-items:center;gap:8px;
}
.sp-hero-media-label .dot{width:8px;height:8px;border-radius:50%;background:var(--c-signal);display:inline-block;}

/* ===== 徽章 ===== */
.sp-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;
  padding:4px 11px;border-radius:999px;background:var(--c-primary-050);color:var(--c-primary);
}
.sp-badge--accent{background:var(--c-accent-050);color:#0E8E80;}
.sp-badge--signal{background:var(--c-signal);color:#fff;}
.sp-badge--signal::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;}

/* ===== 筛选胶囊 ===== */
.sp-filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.sp-filter-btn{
  padding:9px 20px;border-radius:999px;border:1px solid var(--c-line);background:#fff;
  color:var(--c-text-2);font-size:14.5px;font-weight:500;cursor:pointer;transition:all .18s ease;
}
.sp-filter-btn:hover{border-color:var(--c-primary);color:var(--c-primary);}
.sp-filter-btn.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}

/* ===== 媒体网格 ===== */
.sp-media-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.sp-media-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;
  display:flex;flex-direction:column;
}
.sp-media-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.sp-media-thumb{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:rgba(75,59,214,.06);}
.sp-media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.sp-media-card:hover .sp-media-thumb img{transform:scale(1.03);}
.sp-duration{
  position:absolute;right:12px;bottom:12px;z-index:2;background:rgba(20,18,43,.78);color:#fff;
  font-size:12.5px;font-weight:600;padding:3px 10px;border-radius:999px;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.sp-play-mark{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;
  width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.92);
  display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);
  transition:transform .2s ease;
}
.sp-media-card:hover .sp-play-mark{transform:translate(-50%,-50%) scale(1.06);}
.sp-play-mark svg{width:18px;height:18px;fill:var(--c-primary);margin-left:2px;}
.sp-media-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.sp-media-body h3{font-size:18px;line-height:1.5;}
.sp-media-body h3 a{color:var(--c-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.sp-media-body h3 a:hover{color:var(--c-primary);}
.sp-media-meta{
  font-size:13.5px;color:var(--c-text-3);margin:0;display:flex;flex-wrap:wrap;gap:8px;align-items:center;
  font-variant-numeric:tabular-nums;
}
.sp-media-meta .dot{width:3px;height:3px;border-radius:50%;background:#C9C5DC;}
.sp-media-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--c-line);}
.sp-media-foot .sp-link-arrow{font-size:14px;}

/* ===== 热门回看榜 ===== */
.sp-rank-wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:start;}
.sp-rank-list{border-top:1px solid var(--c-line);}
.sp-rank-item{
  display:grid;grid-template-columns:38px 110px 1fr auto;gap:18px;align-items:center;
  padding:18px 0;border-bottom:1px solid var(--c-line);transition:background .18s ease;
}
.sp-rank-item:hover{background:#FBFAFE;}
.sp-rank-no{
  font-size:19px;font-weight:700;color:var(--c-text-3);font-variant-numeric:tabular-nums;
  text-align:center;letter-spacing:.02em;
}
.sp-rank-item:nth-child(-n+3) .sp-rank-no{color:var(--c-primary);}
.sp-rank-thumb{width:110px;aspect-ratio:16/9;border-radius:10px;overflow:hidden;background:rgba(75,59,214,.06);}
.sp-rank-thumb img{width:100%;height:100%;object-fit:cover;}
.sp-rank-info h4{font-size:16px;margin-bottom:4px;font-weight:600;}
.sp-rank-info h4 a{color:var(--c-text);}
.sp-rank-info h4 a:hover{color:var(--c-primary);}
.sp-rank-info span{font-size:13px;color:var(--c-text-3);font-variant-numeric:tabular-nums;}
.sp-rank-time{font-size:13.5px;color:var(--c-text-3);font-variant-numeric:tabular-nums;letter-spacing:.02em;white-space:nowrap;}
.sp-side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
}
.sp-side-card h3{font-size:18px;margin-bottom:10px;}
.sp-side-card p{font-size:14.5px;line-height:1.8;}
.sp-side-list{margin:18px 0 22px;display:flex;flex-direction:column;gap:12px;}
.sp-side-list li{display:flex;gap:10px;font-size:14.5px;color:var(--c-text-2);line-height:1.7;}
.sp-side-list li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--c-accent);margin-top:9px;
}

/* ===== 使用流程 ===== */
.sp-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.sp-step{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;
}
.sp-step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.sp-step-no{
  width:36px;height:36px;border-radius:11px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;margin-bottom:18px;
}
.sp-step h3{font-size:17.5px;margin-bottom:10px;}
.sp-step p{font-size:14.5px;margin:0;}

/* ===== FAQ ===== */
.sp-faq{max-width:860px;}
.sp-faq .accordion-item{
  border:1px solid var(--c-line);border-radius:12px;background:#fff;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.sp-faq .accordion-button{
  font-size:17px;font-weight:600;color:var(--c-text);background:#fff;
  padding:18px 20px;box-shadow:none;line-height:1.55;
}
.sp-faq .accordion-button:not(.collapsed){color:var(--c-primary);background:var(--c-primary-050);}
.sp-faq .accordion-button:focus{box-shadow:none;border-color:var(--c-line);}
.sp-faq .accordion-button::after{
  background-image:none;width:10px;height:10px;border-right:2px solid currentColor;
  border-bottom:2px solid currentColor;transform:rotate(45deg);margin-left:auto;
  transition:transform .2s ease;flex:0 0 auto;
}
.sp-faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);}
.sp-faq .accordion-body{padding:2px 20px 20px;font-size:15px;color:var(--c-text-2);line-height:1.85;}

/* ===== CTA ===== */
.sp-cta-box{
  max-width:680px;margin:0 auto;text-align:center;
}
.sp-cta-box h2{margin-bottom:12px;}
.sp-cta-box>p{margin-bottom:28px;}
.sp-sub-form{display:flex;gap:12px;align-items:stretch;}
.sp-input{
  flex:1;height:48px;padding:0 16px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  background:#fff;font-size:15px;color:var(--c-text);transition:border-color .18s ease,box-shadow .18s ease;
}
.sp-input::placeholder{color:var(--c-text-3);}
.sp-input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(75,59,214,.14);}
.sp-sub-form .sp-btn{height:48px;white-space:nowrap;}
.sp-form-tip{font-size:13px;margin:12px 0 0;min-height:20px;color:var(--c-text-3);}
.sp-form-tip.is-success{color:#0E8E80;}
.sp-form-tip.is-error{color:#D9541E;}
.sp-privacy{font-size:12px;color:var(--c-text-3);margin-top:8px;}

/* ===== 页面内导航带（分类互跳） ===== */
.sp-quicknav{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:32px;
}
.sp-quicknav a{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px 20px;display:flex;flex-direction:column;gap:6px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.sp-quicknav a:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D9D5EE;}
.sp-quicknav strong{font-size:15.5px;color:var(--c-text);font-weight:600;}
.sp-quicknav span{font-size:13px;color:var(--c-text-3);line-height:1.6;}
.sp-quicknav a.is-current{border-color:var(--c-primary);background:var(--c-primary-050);}
.sp-quicknav a.is-current strong{color:var(--c-primary);}

/* ===== 页脚 ===== */
.sp-footer{
  background:var(--c-dark);color:var(--c-dark-text-2);padding:72px 0 28px;margin-top:0;
  background-image:radial-gradient(rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:22px 22px;
}
.sp-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.sp-footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600;}
.sp-footer p{color:var(--c-dark-text-2);font-size:14px;line-height:1.85;margin:14px 0 0;max-width:340px;}
.sp-footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;}
.sp-footer ul{display:flex;flex-direction:column;gap:10px;}
.sp-footer li{font-size:14px;color:var(--c-dark-text-2);line-height:1.6;}
.sp-footer a{color:var(--c-dark-text-2);}
.sp-footer a:hover{color:var(--c-accent);}
.sp-footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--c-dark-text-2);
}
.sp-footer-bottom a{color:var(--c-accent);}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .sp-hero-grid{padding:32px;gap:28px;}
  .sp-rank-wrap{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:991.98px){
  body{padding-bottom:76px;}
  .sp-section{padding:64px 0;}
  h1{font-size:28px;}
  h2{font-size:23px;}
  .sp-hero-grid{grid-template-columns:1fr;padding:26px;}
  .sp-hero-media{height:230px;}
  .sp-steps{grid-template-columns:1fr;}
  .sp-quicknav{grid-template-columns:repeat(2,minmax(0,1fr));}
  .sp-footer{padding:56px 0 24px;}
  .sp-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .sp-section{padding:48px 0;}
  .container{padding-left:16px;padding-right:16px;}
  h1{font-size:26px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  body{font-size:15.5px;line-height:1.8;}
  .sp-media-grid{grid-template-columns:1fr;gap:16px;}
  .sp-filter{gap:8px;}
  .sp-filter-btn{padding:8px 16px;font-size:14px;}
  .sp-rank-item{grid-template-columns:30px 88px 1fr;gap:14px;}
  .sp-rank-thumb{width:88px;}
  .sp-rank-time{display:none;}
  .sp-sub-form{flex-direction:column;}
  .sp-sub-form .sp-btn{width:100%;}
  .sp-hero-cta .sp-btn{width:100%;justify-content:center;}
  .sp-hero-cta{flex-direction:column;align-items:stretch;}
  .sp-footer-grid{grid-template-columns:1fr;gap:28px;}
  .sp-footer p{max-width:none;}
}
@media (max-width:575.98px){
  .sp-hero-media{height:200px;}
  .sp-hero-grid{padding:20px;}
  .sp-side-card{padding:22px;}
  .sp-step{padding:22px;}
  .sp-quicknav{grid-template-columns:1fr;}
  .sp-footer-bottom{justify-content:flex-start;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .sp-media-card:hover,.sp-step:hover,.sp-quicknav a:hover{transform:none;}
  .sp-media-card:hover .sp-media-thumb img{transform:none;}
}

/* roulang page: category3 */
:root{
  --c-primary:#4B3BD6;
  --c-primary-600:#3A2CBE;
  --c-primary-050:#EEECFB;
  --c-accent:#17C6B4;
  --c-accent-050:#E4FAF7;
  --c-signal:#FF7A3D;
  --c-bg:#F7F6FC;
  --c-surface:#FFFFFF;
  --c-dark:#14122B;
  --c-text:#23203A;
  --c-text-2:#625D80;
  --c-text-3:#8E89A8;
  --c-line:#E5E2F2;
  --r-card:18px;
  --r-lg:24px;
  --r-btn:12px;
  --r-img:14px;
  --sh-1:0 2px 10px rgba(22,19,43,.05);
  --sh-2:0 14px 34px rgba(22,19,43,.10);

  --bs-body-bg:#F7F6FC;
  --bs-body-color:#23203A;
  --bs-border-color:#E5E2F2;
  --bs-border-radius:12px;
  --bs-primary:#4B3BD6;
  --bs-primary-rgb:75,59,214;
  --bs-link-color:#4B3BD6;
  --bs-link-hover-color:#3A2CBE;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:104px;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  padding-bottom:76px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-600);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-text);letter-spacing:-.01em;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}

/* ---------- 按钮 ---------- */
.sp-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-btn);
  padding:12px 24px;font-size:15px;font-weight:600;line-height:1.3;
  cursor:pointer;transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.sp-btn-sm{padding:9px 18px;font-size:14px;}
.sp-btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(75,59,214,.22);}
.sp-btn-primary:hover{background:var(--c-primary-600);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(75,59,214,.28);}
.sp-btn-outline{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.sp-btn-outline:hover{background:var(--c-primary-050);color:var(--c-primary-600);transform:translateY(-1px);}
.sp-btn-light{background:#fff;color:var(--c-dark);}
.sp-btn-light:hover{background:#EFEDFB;color:var(--c-dark);transform:translateY(-1px);}
.sp-btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:15px;}
.sp-btn-text span{transition:transform .18s ease;}
.sp-btn-text:hover span{transform:translateX(4px);}

/* ---------- 顶部导航 ---------- */
.sp-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-line);
  backdrop-filter:saturate(160%) blur(6px);
  transition:box-shadow .2s ease;
}
.sp-header.is-scrolled{box-shadow:0 6px 22px rgba(22,19,43,.07);}
.sp-header-inner{display:flex;align-items:center;gap:24px;height:72px;}
.sp-logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;color:var(--c-text);}
.sp-logo:hover{color:var(--c-text);}
.sp-logo-text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.sp-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.sp-nav-link{
  position:relative;padding:8px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--c-text-2);
  transition:color .18s ease,background-color .18s ease;
}
.sp-nav-link:hover{color:var(--c-primary);background:var(--c-primary-050);}
.sp-nav-link.active{color:var(--c-primary);font-weight:600;}
.sp-nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.sp-header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}

/* ---------- 移动底部 Tab ---------- */
.sp-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  display:flex;align-items:stretch;justify-content:space-around;
  height:60px;background:#fff;border-top:1px solid var(--c-line);
  box-shadow:0 -6px 20px rgba(22,19,43,.07);
  padding-bottom:env(safe-area-inset-bottom);
}
.sp-tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  font-size:10px;color:var(--c-text-3);position:relative;padding-top:4px;
  transition:color .18s ease;
}
.sp-tab-item svg{width:22px;height:22px;}
.sp-tab-item.active{color:var(--c-primary);font-weight:600;}
.sp-tab-item.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;background:var(--c-primary);border-radius:2px;
}
.sp-tab-item:hover{color:var(--c-primary);}

/* ---------- 面包屑 ---------- */
.sp-crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-text-3);padding:22px 0 0;
}
.sp-crumb a{color:var(--c-text-3);}
.sp-crumb a:hover{color:var(--c-primary);}
.sp-crumb .sep{color:#C6C2DA;}
.sp-crumb .cur{color:var(--c-text);font-weight:600;}

/* ---------- 分类头 ---------- */
.sp-cathead{padding:22px 0 56px;}
.sp-cathead h1{font-size:34px;line-height:1.35;margin-bottom:14px;}
.sp-cathead h1 .thin{color:var(--c-primary);}
.sp-cathead-lead{font-size:16px;color:var(--c-text-2);max-width:660px;margin-bottom:22px;}
.sp-cathead-meta{display:flex;flex-wrap:wrap;gap:10px;}
.sp-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:500;
  background:var(--c-primary-050);color:var(--c-primary);
}
.sp-chip.accent{background:var(--c-accent-050);color:#0E8F83;}
.sp-cathead-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);}
.sp-cathead-figure img{width:100%;height:252px;object-fit:cover;background:rgba(75,59,214,.06);}
.sp-cathead-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,18,43,0) 45%,rgba(20,18,43,.55) 100%);
}
.sp-cathead-figure figcaption{
  position:absolute;left:18px;bottom:14px;z-index:2;
  color:#F2F1FA;font-size:13px;letter-spacing:.02em;
}
.sp-live-dot{
  display:inline-block;width:7px;height:7px;border-radius:50%;
  background:var(--c-signal);margin-right:7px;vertical-align:middle;
  box-shadow:0 0 0 4px rgba(255,122,61,.18);
}

/* ---------- 主内容区 ---------- */
.sp-main{padding-bottom:80px;}
.sp-article-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px;margin-bottom:16px;}
.sp-article-head h2{font-size:26px;line-height:1.4;}
.sp-article-head .note{font-size:14px;color:var(--c-text-3);}
.sp-prose{font-size:16px;color:var(--c-text);}
.sp-prose h2{
  font-size:26px;line-height:1.4;margin:1.6em 0 .6em;padding-left:14px;position:relative;
}
.sp-prose h2::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;
  border-radius:4px;background:linear-gradient(180deg,var(--c-primary),var(--c-accent));
}
.sp-prose h2:first-child{margin-top:0;}
.sp-prose h3{font-size:18px;line-height:1.5;margin:1.4em 0 .5em;color:var(--c-text);}
.sp-prose p{color:var(--c-text-2);max-width:780px;}
.sp-prose strong{color:var(--c-text);font-weight:600;}
.sp-prose .sp-lead{font-weight:500;color:var(--c-text);}

.sp-steps{counter-reset:spstep;margin:18px 0 22px;}
.sp-steps li{
  counter-increment:spstep;position:relative;padding:0 0 14px 44px;
  color:var(--c-text-2);line-height:1.75;
}
.sp-steps li::before{
  content:counter(spstep);position:absolute;left:0;top:2px;
  width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-050);color:var(--c-primary);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.sp-steps li:last-child{padding-bottom:0;}
.sp-steps li b{color:var(--c-text);font-weight:600;}

.sp-dotlist{margin:16px 0 22px;}
.sp-dotlist li{
  position:relative;padding:0 0 10px 20px;color:var(--c-text-2);line-height:1.75;
}
.sp-dotlist li::before{
  content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);
}
.sp-dotlist li:last-child{padding-bottom:0;}

.sp-note{
  margin:22px 0;padding:16px 20px;
  background:var(--c-primary-050);
  border-left:3px solid var(--c-primary);
  border-radius:12px;
  color:var(--c-text-2);font-size:15px;line-height:1.8;
}
.sp-note b{color:var(--c-primary);display:block;margin-bottom:4px;font-size:15px;}
.sp-note.accent{background:var(--c-accent-050);border-left-color:var(--c-accent);}
.sp-note.accent b{color:#0E8F83;}

.sp-status-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0 22px;}
.sp-status-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-img);
  padding:14px 16px;box-shadow:var(--sh-1);
}
.sp-status-item h4{font-size:15px;margin-bottom:4px;display:flex;align-items:center;gap:8px;}
.sp-status-item p{font-size:14px;color:var(--c-text-3);margin:0;line-height:1.7;}
.sp-dot{width:8px;height:8px;border-radius:50%;display:inline-block;flex-shrink:0;}
.sp-dot.wait{background:var(--c-text-3);}
.sp-dot.soon{background:var(--c-accent);}
.sp-dot.live{background:var(--c-signal);}
.sp-dot.over{background:#C6C2DA;}

/* ---------- 侧边锚点 ---------- */
.sp-anchor{
  position:sticky;top:96px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);
}
.sp-anchor-title{font-size:13px;font-weight:600;color:var(--c-text-3);letter-spacing:.08em;margin-bottom:12px;}
.sp-anchor-link{
  display:block;position:relative;padding:8px 10px 8px 14px;border-radius:10px;
  font-size:14px;color:var(--c-text-2);line-height:1.5;
  transition:background-color .18s ease,color .18s ease;
}
.sp-anchor-link::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:2px;border-radius:2px;
  background:transparent;transition:background-color .18s ease;
}
.sp-anchor-link:hover{background:var(--c-primary-050);color:var(--c-primary);}
.sp-anchor-link.active{color:var(--c-primary);font-weight:600;background:var(--c-primary-050);}
.sp-anchor-link.active::before{background:var(--c-primary);}
.sp-anchor-tip{
  margin-top:16px;padding-top:16px;border-top:1px dashed var(--c-line);
  font-size:13px;color:var(--c-text-3);line-height:1.75;
}
.sp-anchor-tip a{font-weight:600;}

.sp-anchor-scroll{
  display:flex;gap:10px;overflow-x:auto;padding:4px 0 16px;
  scrollbar-width:none;
}
.sp-anchor-scroll::-webkit-scrollbar{display:none;}
.sp-anchor-scroll a{
  flex:0 0 auto;padding:8px 16px;border-radius:999px;
  background:var(--c-surface);border:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-2);white-space:nowrap;
}
.sp-anchor-scroll a:hover,.sp-anchor-scroll a.active{
  background:var(--c-primary);border-color:var(--c-primary);color:#fff;
}

/* ---------- 通用卡片/板块 ---------- */
.sp-section{padding:72px 0;border-top:1px solid var(--c-line);}
.sp-section-alt{background:var(--c-surface);}
.sp-section-head{margin-bottom:36px;}
.sp-section-head h2{font-size:26px;line-height:1.4;margin-bottom:10px;}
.sp-section-head p{color:var(--c-text-2);max-width:720px;font-size:15.5px;}

.sp-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;height:100%;
  transition:transform .18s ease,box-shadow .18s ease;
}
.sp-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.sp-card-media{position:relative;}
.sp-card-media img{width:100%;height:190px;object-fit:cover;background:rgba(75,59,214,.06);}
.sp-card-body{padding:20px;}
.sp-card-body h3{font-size:17px;line-height:1.5;margin-bottom:8px;}
.sp-card-body p{font-size:14px;color:var(--c-text-2);line-height:1.75;margin-bottom:12px;}

.sp-flow{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:36px;}
.sp-flow-item{
  display:flex;gap:16px;padding:20px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.sp-flow-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.sp-flow-num{
  flex:0 0 40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-050);color:var(--c-primary);
  font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
}
.sp-flow-item h3{font-size:16px;margin-bottom:6px;}
.sp-flow-item p{font-size:14px;color:var(--c-text-2);margin:0;line-height:1.75;}

.sp-figure-wide{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);}
.sp-figure-wide img{width:100%;height:340px;object-fit:cover;background:rgba(75,59,214,.06);}

/* ---------- FAQ ---------- */
.sp-accordion .accordion-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:12px;margin-bottom:12px;overflow:hidden;
}
.sp-accordion .accordion-button{
  font-size:17px;font-weight:600;color:var(--c-text);background:transparent;
  padding:18px 20px;line-height:1.5;box-shadow:none;
}
.sp-accordion .accordion-button:not(.collapsed){color:var(--c-primary);background:var(--c-primary-050);}
.sp-accordion .accordion-button:focus{box-shadow:none;border-color:transparent;}
.sp-accordion .accordion-button::after{
  flex:0 0 auto;width:10px;height:10px;margin-left:auto;
  border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  background-image:none;transform:rotate(45deg);transition:transform .2s ease;
}
.sp-accordion .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);}
.sp-accordion .accordion-body{
  padding:2px 20px 20px;color:var(--c-text-2);font-size:15px;line-height:1.85;
}

/* ---------- CTA ---------- */
.sp-cta{
  background:var(--c-dark);
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:18px 18px;
  border-radius:var(--r-lg);
  padding:52px 48px;
  color:#F2F1FA;
}
.sp-cta h2{color:#F2F1FA;font-size:28px;line-height:1.4;margin-bottom:14px;}
.sp-cta p{color:#B9B5D4;font-size:15.5px;max-width:600px;margin-bottom:26px;}
.sp-cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.sp-cta-note{font-size:13px;color:#B9B5D4;margin-top:18px;margin-bottom:0;}

/* ---------- 页脚 ---------- */
.sp-footer{
  background:var(--c-dark);
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:18px 18px;
  color:#B9B5D4;padding:64px 0 28px;margin-top:0;
}
.sp-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.sp-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.sp-footer-brand span{color:#F2F1FA;font-size:17px;font-weight:700;}
.sp-footer p{font-size:14px;line-height:1.8;color:#B9B5D4;max-width:320px;}
.sp-footer h4{font-size:15px;color:#F2F1FA;margin-bottom:14px;font-weight:600;}
.sp-footer ul li{font-size:14px;line-height:1.9;color:#B9B5D4;}
.sp-footer ul li a{color:#B9B5D4;}
.sp-footer ul li a:hover{color:var(--c-accent);}
.sp-footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8E89A8;
}
.sp-footer-bottom a{color:#B9B5D4;}
.sp-footer-bottom a:hover{color:var(--c-accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .sp-cathead h1{font-size:30px;}
  .sp-footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .sp-cathead{padding:18px 0 44px;}
  .sp-cathead h1{font-size:27px;}
  .sp-cathead-figure{margin-top:26px;}
  .sp-cathead-figure img{height:220px;}
  .sp-section{padding:56px 0;}
  .sp-section-head h2,.sp-article-head h2,.sp-prose h2{font-size:22px;}
  .sp-flow{grid-template-columns:1fr;}
  .sp-footer-grid{grid-template-columns:1fr 1fr;}
  .sp-figure-wide img{height:260px;}
  .sp-cta{padding:40px 28px;}
  .sp-cta h2{font-size:24px;}
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px;}
  body{font-size:15.5px;line-height:1.8;}
  .sp-cathead h1{font-size:26px;}
  .sp-status-grid{grid-template-columns:1fr;}
  .sp-cathead-figure img{height:190px;}
  .sp-section{padding:48px 0;}
  .sp-section-head{margin-bottom:26px;}
  .sp-card-media img{height:170px;}
  .sp-figure-wide img{height:210px;}
  .sp-cta{padding:32px 22px;border-radius:18px;}
  .sp-cta h2{font-size:22px;}
  .sp-footer{padding:48px 0 24px;}
  .sp-footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .sp-footer p{max-width:none;}
  .sp-btn{padding:11px 20px;}
}
@media (max-width:575px){
  .sp-footer-grid{grid-template-columns:1fr;}
  .sp-cathead-figure img{height:170px;}
  .sp-prose h2{font-size:20px;}
  .sp-accordion .accordion-button{font-size:16px;padding:16px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{transition:none !important;animation:none !important;}
  .sp-card:hover,.sp-flow-item:hover,.sp-btn:hover{transform:none;}
}

/* roulang page: category4 */
/* ============ 设计令牌 ============ */
:root{
  --c-primary:#4B3BD6;
  --c-primary-600:#3A2CBE;
  --c-primary-050:#EEECFB;
  --c-accent:#17C6B4;
  --c-accent-050:#E4FAF7;
  --c-signal:#FF7A3D;
  --c-bg:#F7F6FC;
  --c-surface:#FFFFFF;
  --c-dark:#14122B;
  --c-text:#23203A;
  --c-text-2:#625D80;
  --c-text-3:#8E89A8;
  --c-line:#E5E2F2;
  --c-dark-text:#F2F1FA;
  --c-dark-text-2:#B9B5D4;

  --r-card:18px;
  --r-lg:24px;
  --r-btn:12px;
  --r-pill:999px;
  --r-img:14px;

  --sh-1:0 2px 10px rgba(22,19,43,.05);
  --sh-2:0 14px 34px rgba(22,19,43,.10);

  --bs-primary:#4B3BD6;
  --bs-body-bg:#F7F6FC;
  --bs-body-color:#23203A;
  --bs-border-color:#E5E2F2;
  --bs-border-radius:12px;
  --bs-link-color:#4B3BD6;
  --bs-link-hover-color:#3A2CBE;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  padding-bottom:76px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-600);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:1.6em 0 .6em;line-height:1.35;font-weight:700;color:var(--c-text);}
h1{font-size:32px;letter-spacing:-.01em;}
h2{font-size:26px;}
h3{font-size:20px;}
h4{font-size:17px;}
p{margin:0 0 18px;}
ul,ol{margin:0 0 18px;padding-left:1.2em;}
li{line-height:1.75;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}

/* ============ 顶部导航 ============ */
.sp-header{
  position:sticky;top:0;z-index:1030;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease;
}
.sp-header.is-scrolled{box-shadow:var(--sh-1);}
.sp-header-inner{height:72px;display:flex;align-items:center;gap:24px;}
.sp-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.sp-logo-text{font-size:17px;font-weight:700;color:var(--c-text);letter-spacing:.01em;white-space:nowrap;}
.sp-logo:hover .sp-logo-text{color:var(--c-primary);}
.sp-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.sp-nav-link{
  position:relative;
  padding:8px 14px;
  font-size:15px;
  color:var(--c-text-2);
  border-radius:10px;
  white-space:nowrap;
}
.sp-nav-link:hover{color:var(--c-primary);background:var(--c-primary-050);}
.sp-nav-link.active{color:var(--c-primary);font-weight:600;}
.sp-nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.sp-header-actions{display:flex;align-items:center;gap:12px;margin-left:8px;}

/* ============ 按钮 ============ */
.sp-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.sp-btn-primary{background:var(--c-primary);color:#fff;}
.sp-btn-primary:hover{background:var(--c-primary-600);color:#fff;transform:translateY(-1px);}
.sp-btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent;}
.sp-btn-outline:hover{background:var(--c-primary-050);color:var(--c-primary-600);}
.sp-btn-light{background:#fff;color:var(--c-primary);}
.sp-btn-light:hover{background:var(--c-primary-050);color:var(--c-primary-600);transform:translateY(-1px);}
.sp-btn-ghost{border-color:rgba(255,255,255,.42);color:#fff;background:transparent;}
.sp-btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.sp-btn-sm{padding:8px 16px;font-size:14px;}
.sp-btn:disabled,.sp-btn.disabled{opacity:.4;pointer-events:none;}
.sp-link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);}
.sp-link-arrow i{transition:transform .18s ease;font-style:normal;}
.sp-link-arrow:hover i{transform:translateX(4px);}

/* ============ 面包屑 ============ */
.sp-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);margin-bottom:12px;}
.sp-crumb a{color:var(--c-text-3);}
.sp-crumb a:hover{color:var(--c-primary);}
.sp-crumb .sep{color:#C6C1DA;}
.sp-crumb .current{color:var(--c-text);}

/* ============ 页面头部 ============ */
.sp-page-hero{
  background:linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
  padding:36px 0 48px;
}
.sp-hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;}
.sp-hero-copy h1{margin:0 0 16px;}
.sp-hero-copy .sp-lead{font-size:17px;color:var(--c-text-2);max-width:620px;margin-bottom:24px;}
.sp-hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;}
.sp-hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}

.sp-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;
  background:var(--c-primary-050);color:var(--c-primary);
}
.sp-badge-accent{background:var(--c-accent-050);color:#0E8C7F;}
.sp-badge-signal{background:var(--c-signal);color:#fff;}
.sp-badge-signal::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;}

.sp-hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);}
.sp-hero-media img{width:100%;height:262px;object-fit:cover;}
.sp-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,18,43,.06) 0%,rgba(20,18,43,.58) 100%);
}
.sp-hero-media .sp-media-tag{
  position:absolute;left:18px;bottom:16px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(20,18,43,.72);color:#F2F1FA;font-size:13px;font-weight:600;
  backdrop-filter:blur(2px);
}
.sp-hero-media .sp-media-tag::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);
}

/* ============ 数据条 ============ */
.sp-stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;background:var(--c-line);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;margin-top:8px;
}
.sp-stat{background:var(--c-surface);padding:22px 24px;}
.sp-stat .sp-stat-num{
  font-size:24px;font-weight:700;color:var(--c-primary);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.sp-stat .sp-stat-label{font-size:13px;color:var(--c-text-3);margin-top:4px;}

/* ============ 板块 ============ */
.sp-section{padding:80px 0;}
.sp-section-alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.sp-section-head{max-width:760px;margin-bottom:40px;}
.sp-section-head h2{margin:0 0 12px;}
.sp-section-head p{color:var(--c-text-2);margin:0;}
.sp-eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--c-accent);text-transform:uppercase;margin-bottom:10px;
}

/* ============ FAQ 双栏 ============ */
.sp-faq-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:32px;align-items:start;}
.sp-faq .accordion-item{
  border:1px solid var(--c-line);border-radius:14px;background:var(--c-surface);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.sp-faq .accordion-button{
  font-size:17px;font-weight:600;color:var(--c-text);
  padding:18px 20px;background:var(--c-surface);box-shadow:none;line-height:1.5;
}
.sp-faq .accordion-button:not(.collapsed){
  color:var(--c-primary);background:var(--c-primary-050);box-shadow:none;
}
.sp-faq .accordion-button:focus{box-shadow:none;border-color:transparent;}
.sp-faq .accordion-button::after{
  content:"";width:9px;height:9px;margin-left:auto;flex-shrink:0;
  background-image:none;border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);
  transform:rotate(45deg);transition:transform .2s ease;margin-right:6px;
}
.sp-faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);}
.sp-faq .accordion-body{padding:4px 20px 20px;color:var(--c-text-2);font-size:15.5px;line-height:1.8;}

.sp-side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);margin-bottom:24px;
}
.sp-side-card h3{margin:0 0 14px;font-size:18px;}
.sp-side-card p{font-size:14.5px;color:var(--c-text-2);margin-bottom:16px;}
.sp-step-mini{display:flex;gap:12px;margin-bottom:14px;}
.sp-step-mini .num{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  background:var(--c-primary-050);color:var(--c-primary);
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.sp-step-mini .txt{font-size:14.5px;color:var(--c-text-2);line-height:1.7;}
.sp-quick-links{list-style:none;margin:0;padding:0;}
.sp-quick-links li{border-top:1px dashed var(--c-line);}
.sp-quick-links li:first-child{border-top:0;}
.sp-quick-links a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 0;font-size:15px;color:var(--c-text);font-weight:500;
}
.sp-quick-links a:hover{color:var(--c-primary);}
.sp-quick-links a span:last-child{color:var(--c-text-3);font-size:14px;}

/* ============ 联系卡片 ============ */
.sp-contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.sp-contact-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease;
}
.sp-contact-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.sp-contact-icon{
  width:44px;height:44px;border-radius:14px;background:var(--c-primary-050);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--c-primary);
}
.sp-contact-card h3{margin:0 0 10px;font-size:19px;}
.sp-contact-card p{font-size:14.8px;color:var(--c-text-2);margin-bottom:18px;flex:1;}
.sp-contact-meta{
  font-size:13px;color:var(--c-text-3);margin-bottom:16px;
  padding-top:14px;border-top:1px dashed var(--c-line);
}
.sp-contact-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 处理流程 ============ */
.sp-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:8px;}
.sp-flow-item{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1);
}
.sp-flow-item::before{
  content:"";position:absolute;left:26px;top:0;width:34px;height:3px;
  background:var(--c-primary);border-radius:0 0 3px 3px;
}
.sp-flow-item .step-no{
  font-size:13px;font-weight:700;color:var(--c-accent);letter-spacing:.08em;margin-bottom:10px;
}
.sp-flow-item h3{margin:0 0 10px;font-size:18px;}
.sp-flow-item p{font-size:14.8px;color:var(--c-text-2);margin:0;}

.sp-note{
  margin-top:32px;background:var(--c-primary-050);border-left:3px solid var(--c-primary);
  border-radius:12px;padding:20px 24px;font-size:15px;color:var(--c-text-2);
}
.sp-note strong{color:var(--c-text);}

/* ============ CTA ============ */
.sp-cta{
  position:relative;overflow:hidden;background:var(--c-dark);border-radius:var(--r-lg);
  padding:56px 48px;color:var(--c-dark-text);
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:22px 22px;
}
.sp-cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;position:relative;z-index:1;}
.sp-cta h2{margin:0 0 14px;color:#fff;font-size:26px;}
.sp-cta p{color:var(--c-dark-text-2);margin-bottom:0;max-width:520px;}
.sp-cta-form{display:flex;gap:12px;}
.sp-cta-form input{
  flex:1;height:48px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);color:#fff;padding:0 16px;font-size:15px;
}
.sp-cta-form input::placeholder{color:#9E99BC;}
.sp-cta-form input:focus{outline:none;border-color:var(--c-accent);background:rgba(255,255,255,.13);}
.sp-form-hint{font-size:12px;color:var(--c-dark-text-2);margin-top:10px;}
.sp-form-msg{font-size:13px;margin-top:8px;display:none;}
.sp-form-msg.ok{display:block;color:var(--c-accent);}
.sp-form-msg.err{display:block;color:var(--c-signal);}

/* ============ 页脚 ============ */
.sp-footer{
  background:var(--c-dark);color:var(--c-dark-text-2);
  padding:64px 0 28px;margin-top:0;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:24px 24px;
}
.sp-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.sp-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.sp-footer-brand span{color:#fff;font-size:17px;font-weight:700;}
.sp-footer p{font-size:14px;line-height:1.8;color:var(--c-dark-text-2);margin:0;}
.sp-footer h4{color:#fff;font-size:15px;margin:0 0 16px;}
.sp-footer ul{list-style:none;margin:0;padding:0;}
.sp-footer li{font-size:14px;line-height:2;color:var(--c-dark-text-2);}
.sp-footer a{color:var(--c-dark-text-2);}
.sp-footer a:hover{color:var(--c-accent);}
.sp-footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:#8E89A8;
}

/* ============ 移动底部 Tab ============ */
.sp-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  display:flex;height:60px;
  background:var(--c-surface);border-top:1px solid var(--c-line);
  box-shadow:0 -6px 20px rgba(22,19,43,.07);
  padding-bottom:env(safe-area-inset-bottom);
}
.sp-tabbar a{
  flex:1;position:relative;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:3px;
  font-size:10px;color:var(--c-text-3);
}
.sp-tabbar a.active{color:var(--c-primary);font-weight:600;}
.sp-tabbar a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;background:var(--c-primary);border-radius:0 0 2px 2px;
}
.sp-tabbar svg{width:22px;height:22px;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .sp-hero-grid{gap:32px;}
  .sp-footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  body{padding-bottom:76px;}
  .sp-section{padding:64px 0;}
  .sp-hero-grid{grid-template-columns:1fr;gap:28px;}
  .sp-hero-media img{height:230px;}
  .sp-stats{grid-template-columns:repeat(2,1fr);}
  .sp-faq-grid{grid-template-columns:1fr;}
  .sp-contact-grid{grid-template-columns:1fr;}
  .sp-flow{grid-template-columns:1fr;}
  .sp-cta{padding:40px 28px;}
  .sp-cta-grid{grid-template-columns:1fr;gap:26px;}
  .sp-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  h1{font-size:28px;}
  h2{font-size:23px;}
}
@media (min-width:992px){
  body{padding-bottom:0;}
  .sp-tabbar{display:none;}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px;}
  body{font-size:15.5px;line-height:1.8;}
  h1{font-size:26px;}
  h2{font-size:22px;}
  .sp-section{padding:48px 0;}
  .sp-page-hero{padding:26px 0 36px;}
  .sp-hero-media img{height:200px;}
  .sp-hero-copy .sp-lead{font-size:16px;}
  .sp-stats{grid-template-columns:1fr 1fr;}
  .sp-stat{padding:18px;}
  .sp-cta-form{flex-direction:column;}
  .sp-cta-form .sp-btn{width:100%;}
  .sp-footer-grid{grid-template-columns:1fr;gap:26px;}
  .sp-contact-actions .sp-btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}