/* roulang page: index */
:root{
  --primary:#5B4DE8;--primary-dark:#4536D6;--secondary:#14C8B8;--accent:#FFB43A;
  --bg:#F6F7FB;--card:#FFFFFF;--dark:#14142B;
  --text:#1B1D2E;--text-2:#5C6178;--text-3:#8A8FA3;
  --border:#E7E9F2;--line:#EFF1F8;
  --grad:linear-gradient(135deg,#5B4DE8 0%,#14C8B8 100%);
  --grad-rev:linear-gradient(120deg,#14C8B8 0%,#5B4DE8 100%);
  --r-lg:28px;--r-md:20px;--r-sm:14px;--r-pill:999px;
  --sh-1:0 8px 24px rgba(27,29,46,.06);
  --sh-2:0 16px 40px rgba(91,77,232,.16);
  --sh-3:0 20px 60px rgba(91,77,232,.22);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.75;font-weight:400;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-dark)}
button{font-family:inherit;font-size:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{max-width:var(--max);margin:0 auto;padding:0 32px;width:100%}
@media (min-width:1440px){.container{max-width:1280px}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(27,29,46,.07)}
.nav-wrap{height:72px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(91,77,232,.32);
}
.brand-mark svg{width:16px;height:16px;stroke:#fff;fill:none;stroke-width:1.8}
.brand-text{font-size:18px;font-weight:800;color:var(--text);letter-spacing:-.02em;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:12px}
.nav-link{
  position:relative;display:inline-block;padding:8px 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--text-2);transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--primary);background:#F4F2FF}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:2px;border-radius:2px;background:var(--grad);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-search{
  display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--border);
  border-radius:var(--r-pill);padding:0 16px;height:40px;transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(91,77,232,.16);background:#fff}
.nav-search svg{width:15px;height:15px;stroke:var(--text-3);fill:none;stroke-width:1.7;flex:0 0 auto}
.nav-search input{
  border:0;background:transparent;outline:none;width:168px;font-size:14px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-help{font-size:15px;font-weight:600;color:var(--text-2)}
.nav-help:hover{color:var(--primary)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-pill);
  font-weight:700;font-size:15px;line-height:1;padding:14px 26px;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(91,77,232,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:#F0EEFF;color:var(--primary-dark);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-amber{background:var(--accent);color:#2A1B00;box-shadow:0 8px 20px rgba(255,180,58,.34)}
.btn-amber:hover{background:#FFC65E;color:#2A1B00;transform:translateY(-2px)}
.btn-amber:active{transform:translateY(1px)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-block{width:100%}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;pointer-events:none}
.nav-cta{padding:12px 22px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--border);
  background:#fff;align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;stroke:var(--text);fill:none;stroke-width:1.8}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,20,43,.45);opacity:0;visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease;z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:82%;max-width:340px;background:#fff;z-index:95;
  transform:translateX(102%);transition:transform .25s ease;display:flex;flex-direction:column;
  box-shadow:-14px 0 40px rgba(20,20,43,.18);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:#fff;display:flex;align-items:center;justify-content:center}
.drawer-close svg{width:18px;height:18px;stroke:var(--text);fill:none;stroke-width:1.8}
.drawer-body{padding:18px 20px;overflow-y:auto;flex:1}
.drawer-body .nav-search{width:100%;background:#F1F2F8;margin-bottom:18px}
.drawer-body .nav-search input{width:100%}
.drawer-list{display:flex;flex-direction:column;gap:4px}
.drawer-list a{
  padding:13px 14px;border-radius:12px;font-size:16px;font-weight:600;color:var(--text-2);
}
.drawer-list a:hover{background:#F4F2FF;color:var(--primary)}
.drawer-list a.active{background:#F0EEFF;color:var(--primary)}
.drawer-foot{padding:16px 20px 22px;border-top:1px solid var(--line)}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;padding:76px 0 92px;color:#fff;
  background-image:linear-gradient(135deg,rgba(69,54,214,.93) 0%,rgba(20,200,184,.86) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:flex;gap:56px;align-items:center}
.hero-copy{flex:1 1 55%;max-width:600px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.34);
  font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:22px;
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block}
.hero-title{
  color:#fff;font-size:46px;line-height:1.2;font-weight:800;letter-spacing:-.02em;
  margin-bottom:18px;
}
.hero-sub{font-size:17px;line-height:1.7;color:rgba(255,255,255,.92);margin-bottom:30px;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero-actions .btn-ghost{background:rgba(255,255,255,.96);border-color:transparent;color:var(--primary-dark)}
.hero-actions .btn-ghost:hover{background:#fff}
.badge-row{display:flex;flex-wrap:wrap;gap:10px}
.badge{
  display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:1.2;
}
.badge i{width:6px;height:6px;border-radius:50%;background:currentColor;display:block;opacity:.85}
.badge-light{background:rgba(255,255,255,.2);color:#fff;border:1px solid rgba(255,255,255,.3)}
.badge-primary{background:rgba(91,77,232,.1);color:#3A2EC0}
.badge-secondary{background:rgba(20,200,184,.13);color:#0A8C81}
.badge-accent{background:rgba(255,180,58,.2);color:#8A5A00}
.hero-card{
  flex:0 0 400px;background:#fff;border-radius:var(--r-lg);padding:16px;
  box-shadow:var(--sh-3);color:var(--text);
}
.hero-card-media{position:relative;border-radius:var(--r-sm);overflow:hidden;aspect-ratio:16/10;background:#EEF0F8}
.hero-card-media img{width:100%;height:100%;object-fit:cover}
.corner-badge{
  position:absolute;top:12px;left:12px;padding:6px 13px;border-radius:var(--r-pill);
  background:var(--accent);color:#3A2500;font-size:12px;font-weight:700;letter-spacing:.02em;
}
.hero-card-body{padding:18px 8px 6px}
.hero-card-body h2{font-size:19px;font-weight:700;margin-bottom:10px;line-height:1.45}
.hero-card-body p{font-size:14px;color:var(--text-2);line-height:1.7;margin-bottom:16px}
.hero-card-note{margin-top:12px;font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:7px}
.hero-card-note svg{width:14px;height:14px;stroke:var(--text-3);fill:none;stroke-width:1.7;flex:0 0 auto}

/* ============ 通用板块 ============ */
.section{padding:92px 0}
.section-alt{background:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-title{font-size:28px;font-weight:700;line-height:1.3;margin-bottom:10px}
.section-sub{font-size:15px;color:var(--text-2);max-width:640px}
.link-more{font-size:15px;font-weight:600;white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.link-more svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.8;transition:transform .18s ease}
.link-more:hover svg{transform:translateX(3px)}

/* ============ 入口网格 ============ */
.entry-grid{margin:-12px}
.entry-grid .cell{padding:12px}
.entry-card{
  height:100%;background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DCD8FA}
.entry-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:#EEF0F8}
.entry-media img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.entry-card:hover .entry-media img{transform:scale(1.04)}
.entry-cat{
  position:absolute;top:12px;left:12px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);color:var(--primary-dark);font-size:12px;font-weight:700;
}
.entry-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.entry-body h3{font-size:18px;font-weight:700;line-height:1.45;margin-bottom:8px}
.entry-body h3 a{color:var(--text)}
.entry-body h3 a:hover{color:var(--primary)}
.entry-desc{font-size:14px;color:var(--text-2);line-height:1.7;margin-bottom:18px}
.entry-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.entry-tag{font-size:13px;color:var(--text-3);display:inline-flex;align-items:center;gap:6px}
.entry-tag svg{width:14px;height:14px;stroke:var(--text-3);fill:none;stroke-width:1.7}
.entry-arrow{
  width:32px;height:32px;border-radius:50%;background:#F4F2FF;display:flex;align-items:center;justify-content:center;
  transition:background .18s ease,transform .18s ease;
}
.entry-arrow svg{width:15px;height:15px;stroke:var(--primary);fill:none;stroke-width:2}
.entry-card:hover .entry-arrow{background:var(--primary);transform:translateX(3px)}
.entry-card:hover .entry-arrow svg{stroke:#fff}

/* ============ 保障条 ============ */
.assure{
  background:#fff;border:1px solid var(--border);border-radius:24px;box-shadow:var(--sh-1);
  padding:26px 32px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.assure-item{display:flex;align-items:center;gap:12px;flex:1 1 200px;min-width:170px}
.assure-icon{
  width:42px;height:42px;border-radius:14px;background:rgba(91,77,232,.09);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.assure-icon svg{width:20px;height:20px;stroke:var(--primary);fill:none;stroke-width:1.6}
.assure-item:nth-child(2) .assure-icon{background:rgba(20,200,184,.12)}
.assure-item:nth-child(2) .assure-icon svg{stroke:#0A8C81}
.assure-item:nth-child(3) .assure-icon{background:rgba(255,180,58,.16)}
.assure-item:nth-child(3) .assure-icon svg{stroke:#A96A00}
.assure-text strong{display:block;font-size:15px;font-weight:700;line-height:1.5}
.assure-text span{font-size:13px;color:var(--text-3)}

/* ============ 评价轮播 ============ */
.review-outer{position:relative}
.review-track{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 2px 22px;scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none}
.review-card{
  flex:0 0 calc((100% - 48px)/3);scroll-snap-align:start;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:24px;
  box-shadow:var(--sh-1);
}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.avatar{
  width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;flex:0 0 auto;
}
.review-name{font-size:15px;font-weight:700;line-height:1.4}
.review-time{font-size:13px;color:var(--text-3)}
.stars{margin-left:auto;display:flex;gap:2px}
.stars svg{width:14px;height:14px;fill:var(--accent);stroke:none}
.review-text{font-size:15px;color:var(--text-2);line-height:1.8}
.review-controls{display:flex;align-items:center;gap:16px;margin-top:6px}
.review-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--border);background:#fff;
  display:flex;align-items:center;justify-content:center;transition:border-color .18s ease,background .18s ease;
}
.review-btn:hover{border-color:var(--primary);background:#F4F2FF}
.review-btn svg{width:16px;height:16px;stroke:var(--primary);fill:none;stroke-width:2}
.dots{display:flex;gap:8px;margin-left:auto}
.dot{width:8px;height:8px;border-radius:50%;background:#D8DBE8;border:0;padding:0;transition:width .2s ease,background .2s ease}
.dot.active{width:22px;border-radius:5px;background:var(--grad)}

/* ============ 最新信息（CMS） ============ */
.news-grid{margin:-12px}
.news-grid .cell{padding:12px}
.news-card{
  height:100%;display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.tag{
  display:inline-flex;align-self:flex-start;padding:5px 12px;border-radius:var(--r-pill);
  background:#F2F3F8;color:#3B7A74;font-size:12px;font-weight:600;margin-bottom:14px;
}
.news-title{font-size:18px;font-weight:700;line-height:1.5;margin-bottom:10px}
.news-title a{color:var(--text)}
.news-title a:hover{color:var(--primary)}
.news-desc{
  font-size:14px;color:var(--text-2);line-height:1.75;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3);
}
.news-more{font-size:13px;font-weight:600}
.empty-state{
  background:#fff;border:1px dashed var(--border);border-radius:var(--r-md);
  padding:56px 24px;text-align:center;box-shadow:var(--sh-1);
}
.empty-art{
  width:72px;height:72px;margin:0 auto 18px;border-radius:24px;background:#F4F2FF;
  display:flex;align-items:center;justify-content:center;
}
.empty-art svg{width:30px;height:30px;stroke:var(--primary);fill:none;stroke-width:1.6}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:20px}

/* ============ CTA ============ */
.cta-block{
  position:relative;overflow:hidden;border-radius:var(--r-lg);padding:64px 56px;color:#fff;
  background-image:linear-gradient(120deg,#5B4DE8 0%,#14C8B8 100%);
  box-shadow:var(--sh-3);
}
.cta-block::after{
  content:"";position:absolute;top:-60%;right:-10%;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22) 0%,rgba(255,255,255,0) 70%);
}
.cta-inner{position:relative;z-index:2;max-width:660px}
.cta-title{color:#fff;font-size:30px;font-weight:800;line-height:1.35;margin-bottom:14px}
.cta-sub{font-size:16px;color:rgba(255,255,255,.92);margin-bottom:28px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.cta-actions .btn-white{background:#fff;color:var(--primary-dark)}
.cta-actions .btn-white:hover{background:#F5F4FF;color:var(--primary-dark);transform:translateY(-2px)}
.cta-hint{font-size:13px;color:rgba(255,255,255,.82);margin-top:18px}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:16px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item.is-open{border-color:#C9C2F8;box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;padding:20px 22px;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:#F4F2FF;position:relative;
  transition:transform .2s ease,background .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--primary);border-radius:2px;transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px;transition:opacity .2s ease}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:#E5E0FF}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-item.is-open .faq-a{max-height:460px}
.faq-a p{padding:0 22px 22px;font-size:15px;color:var(--text-2);line-height:1.85}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#C7C9DA;margin-top:96px;border-radius:28px 28px 0 0}
.footer-grid{display:flex;flex-wrap:wrap;gap:44px;padding:64px 0 40px}
.footer-brand{flex:1 1 260px;min-width:240px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.8;color:#9A9DB3;margin:16px 0 20px;max-width:300px}
.social{display:flex;gap:10px}
.social a{
  width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;transition:background .18s ease,transform .18s ease;
}
.social a:hover{background:var(--secondary);transform:translateY(-2px)}
.social svg{width:17px;height:17px;stroke:#fff;fill:none;stroke-width:1.6}
.footer-col{flex:0 1 160px;min-width:140px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:#9A9DB3}
.footer-col a:hover{color:var(--secondary)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:#868AA0;
}
.to-top{
  display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.08);border:0;
  color:#fff;font-size:13px;font-weight:600;padding:10px 18px;border-radius:var(--r-pill);
  transition:background .18s ease;
}
.to-top:hover{background:var(--primary)}
.to-top svg{width:14px;height:14px;stroke:#fff;fill:none;stroke-width:2}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links,.nav-search,.nav-help,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-right{margin-left:auto}
  .hero{padding:56px 0 68px}
  .hero-inner{flex-direction:column;gap:36px;align-items:stretch}
  .hero-copy{max-width:none}
  .hero-title{font-size:34px}
  .hero-card{flex:0 0 auto;max-width:520px}
  .section{padding:68px 0}
  .section-title{font-size:24px}
  .review-card{flex:0 0 calc((100% - 24px)/2)}
  .cta-block{padding:48px 32px}
  .cta-title{font-size:24px}
  .site-footer{margin-top:72px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .nav-wrap{height:64px;gap:14px}
  .brand-text{font-size:16px}
  .hero{padding:44px 0 56px}
  .hero-title{font-size:29px}
  .hero-sub{font-size:15px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 auto;justify-content:center}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .section-title{font-size:22px}
  .assure{padding:22px 20px;gap:16px}
  .assure-item{flex:1 1 calc(50% - 16px);min-width:0}
  .review-card{flex:0 0 86%}
  .cta-block{padding:40px 24px;border-radius:22px}
  .cta-title{font-size:22px}
  .faq-q{font-size:15px;padding:17px 18px}
  .faq-a p{padding:0 18px 18px}
  .footer-grid{gap:32px;padding:48px 0 32px}
  .footer-col{flex:1 1 calc(50% - 32px)}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .hero-title{font-size:26px}
  .hero-card{padding:12px}
  .review-card{flex:0 0 92%}
  .footer-col{flex:1 1 100%}
  .entry-body{padding:18px 16px 20px}
}

/* roulang page: article */
:root{
  --primary:#5B4DE8;
  --primary-hover:#4536D6;
  --secondary:#14C8B8;
  --accent:#FFB43A;
  --bg:#F6F7FB;
  --card:#FFFFFF;
  --dark:#14142B;
  --text:#1B1D2E;
  --text-2:#5C6178;
  --text-3:#8A8FA3;
  --border:#E7E9F2;
  --divider:#EFF1F8;
  --grad:linear-gradient(135deg,#5B4DE8 0%,#14C8B8 100%);
  --grad-rev:linear-gradient(120deg,#14C8B8 0%,#5B4DE8 100%);
  --r-lg:28px;
  --r-md:20px;
  --r-sm:16px;
  --r-xs:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(27,29,46,.06);
  --sh-2:0 16px 40px rgba(91,77,232,.16);
  --sh-3:0 20px 60px rgba(91,77,232,.22);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:1.15em;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.section{padding:88px 0;}
.section-tight{padding:56px 0;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(27,29,46,.07);}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:70px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;
  border-radius:11px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(91,77,232,.28);
}
.brand-mark svg{width:19px;height:19px;fill:none;stroke:#fff;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--text);white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--primary);}
.nav-links{display:flex;align-items:center;gap:6px;flex:1 1 auto;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  border-radius:var(--r-pill);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;border-radius:2px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--primary);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  padding:8px 14px;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search svg{width:16px;height:16px;fill:none;stroke:var(--text-3);stroke-width:1.6;stroke-linecap:round;}
.nav-search input{
  width:172px;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);font-family:inherit;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(91,77,232,.14);}
.nav-help{font-size:14px;color:var(--text-2);padding:8px 6px;}
.nav-help:hover{color:var(--primary);}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--border);border-radius:12px;
}
.nav-toggle svg{width:20px;height:20px;fill:none;stroke:var(--text);stroke-width:1.6;stroke-linecap:round;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;
  font-size:15px;font-weight:600;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(91,77,232,.24);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-3);color:#fff;}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:#F0EEFF;color:var(--primary-hover);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(1px);}
.btn-amber{background:var(--accent);color:#2A1D00;}
.btn-amber:hover{background:#FFC65C;transform:translateY(-2px);}
.btn-amber:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--text-2);border-color:var(--border);}
.btn-ghost:hover{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-sm{padding:9px 18px;font-size:14px;}

/* ---------- 徽章与标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;
  font-size:13px;font-weight:600;
  border-radius:var(--r-pill);
  line-height:1.2;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.75;}
.badge-primary{background:rgba(91,77,232,.09);color:#4335C4;}
.badge-secondary{background:rgba(20,200,184,.12);color:#0B9084;}
.badge-accent{background:rgba(255,180,58,.18);color:#9A6200;}
.tag{
  display:inline-block;
  padding:6px 14px;
  font-size:13px;
  color:var(--text-2);
  background:var(--divider);
  border-radius:var(--r-pill);
  transition:color .2s ease,background-color .2s ease;
}
.tag:hover{color:#4335C4;background:rgba(91,77,232,.1);}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;
  padding:56px 0 48px;
  background-image:
    linear-gradient(180deg,rgba(246,247,251,.92) 0%,rgba(246,247,251,.98) 62%,#F6F7FB 100%),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--border);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--text-3);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#C7CBD9;}
.breadcrumb .current{color:var(--text-3);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{max-width:820px;}
.article-head h1{
  font-size:42px;
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.02em;
  margin:18px 0 18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:14px;color:var(--text-3);
}
.article-meta .dot{color:#C7CBD9;}
.article-meta .read{color:var(--text-2);}
.hero-figure{
  margin-top:34px;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-2);
  background:var(--card);
}
.hero-figure img{width:100%;aspect-ratio:16/7;object-fit:cover;}

/* ---------- 正文 ---------- */
.article-main{padding:64px 0 0;}
.article-layout{max-width:800px;margin:0 auto;}
.article-content{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:52px 56px;
  box-shadow:var(--sh-1);
  font-size:16.5px;
  line-height:1.9;
  color:var(--text);
}
.article-content > *:first-child{margin-top:0;}
.article-content p{margin:0 0 1.25em;}
.article-content h2{
  position:relative;
  font-size:24px;
  line-height:1.45;
  font-weight:700;
  letter-spacing:-.01em;
  margin:2em 0 .85em;
  padding-left:15px;
}
.article-content h2::before{
  content:"";
  position:absolute;left:0;top:.16em;bottom:.16em;width:4px;
  border-radius:4px;background:var(--grad);
}
.article-content h3{font-size:19px;font-weight:600;line-height:1.5;margin:1.7em 0 .6em;}
.article-content h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em;color:var(--text-2);}
.article-content ul,.article-content ol{margin:0 0 1.3em;padding-left:1.4em;}
.article-content li{margin:.45em 0;}
.article-content strong{font-weight:700;}
.article-content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-content a:hover{color:var(--primary-hover);}
.article-content img{border-radius:var(--r-sm);margin:1.6em auto;box-shadow:var(--sh-1);}
.article-content figure{margin:1.8em 0;}
.article-content figcaption{
  margin-top:10px;text-align:center;font-size:14px;color:var(--text-3);
}
.article-content blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  background:#F0EEFF;
  border-left:4px solid var(--primary);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--text-2);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content hr{border:0;border-top:1px solid var(--divider);margin:2.2em 0;}
.article-content code{
  padding:2px 6px;font-size:14px;border-radius:6px;
  background:var(--divider);color:#4335C4;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.article-content table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--border);border-radius:var(--r-xs);overflow:hidden;
}
.article-content th,.article-content td{padding:12px 14px;border-bottom:1px solid var(--divider);text-align:left;}
.article-content th{background:var(--bg);font-weight:600;color:var(--text-2);}
.article-content tr:last-child td{border-bottom:0;}

/* ---------- 空态 ---------- */
.empty-state{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:64px 32px;
  text-align:center;
  box-shadow:var(--sh-1);
}
.empty-state .empty-mark{
  width:72px;height:72px;margin:0 auto 20px;
  border-radius:22px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;
}
.empty-state .empty-mark svg{width:32px;height:32px;fill:none;stroke:#fff;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px;}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:24px;}

/* ---------- 文末标签与分享 ---------- */
.article-foot{
  margin-top:32px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
}
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.article-tags .label{font-size:14px;color:var(--text-3);}
.share-actions{display:flex;align-items:center;gap:10px;}
.share-actions .btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- 相关推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.related-card{
  display:flex;flex-direction:column;gap:12px;
  padding:26px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(91,77,232,.28);}
.related-card h3{font-size:18px;font-weight:600;line-height:1.5;}
.related-card .rel-meta{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);}
.related-card .rel-meta .dot{color:#C7CBD9;}
.related-card .rel-meta em{font-style:normal;color:#0B9084;background:rgba(20,200,184,.12);padding:3px 10px;border-radius:var(--r-pill);font-weight:600;}

/* ---------- 返回入口 ---------- */
.back-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--grad-rev);
  box-shadow:var(--sh-3);
  padding:64px 60px;
  color:#fff;
  display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;
}
.cta-band::after{
  content:"";
  position:absolute;right:-90px;top:-90px;
  width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.13);
  pointer-events:none;
}
.cta-band .cta-copy{max-width:620px;position:relative;z-index:1;}
.cta-band h2{font-size:30px;line-height:1.35;font-weight:800;letter-spacing:-.01em;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.88);font-size:16px;}
.cta-band .cta-actions{position:relative;z-index:1;display:flex;flex-direction:column;gap:10px;}
.cta-band .btn-white{background:#fff;color:#4335C4;}
.cta-band .btn-white:hover{background:#F0EEFF;transform:translateY(-2px);}
.cta-band .cta-note{font-size:13.5px;color:rgba(255,255,255,.82);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#B9BDD0;margin-top:96px;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand-text{color:#fff;font-size:19px;font-weight:800;}
.footer-brand .brand-text em{font-style:normal;}
.footer-brand p{margin:16px 0 20px;font-size:14.5px;line-height:1.8;color:#9CA1BA;max-width:360px;}
.social{display:flex;gap:10px;}
.social a{
  width:38px;height:38px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);
  transition:background-color .2s ease,transform .2s ease;
}
.social a svg{width:18px;height:18px;fill:none;stroke:#B9BDD0;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.social a:hover{background:rgba(20,200,184,.22);transform:translateY(-2px);}
.social a:hover svg{stroke:var(--secondary);}
.footer-col h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px;}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14.5px;color:#9CA1BA;}
.footer-col a:hover{color:var(--secondary);}
.footer-bottom{
  margin-top:56px;
  padding:22px 0 26px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13.5px;color:#868BA5;
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;font-size:13.5px;
  color:#fff;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-pill);
  transition:background-color .2s ease,transform .2s ease;
}
.to-top svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.to-top:hover{background:rgba(20,200,184,.24);transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding-left:24px;padding-right:24px;}
  .nav-links{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .site-header.nav-open .nav-links{
    display:flex;flex-direction:column;align-items:stretch;gap:2px;
    position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--border);
    padding:14px 24px 20px;box-shadow:0 16px 32px rgba(27,29,46,.1);
  }
  .site-header.nav-open .nav-link{padding:12px 10px;border-radius:14px;}
  .site-header.nav-open .nav-link::after{display:none;}
  .site-header.nav-open .nav-link:hover{background:var(--bg);}
  .article-head h1{font-size:34px;}
  .article-content{padding:40px 34px;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .cta-band{padding:48px 36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .section{padding:60px 0;}
  .article-hero{padding:36px 0 32px;}
  .article-head h1{font-size:28px;margin:14px 0 14px;}
  .article-main{padding-top:40px;}
  .article-content{padding:30px 22px;font-size:16px;border-radius:var(--r-md);}
  .article-content h2{font-size:21px;}
  .related-grid{grid-template-columns:1fr;}
  .cta-band{padding:40px 26px;border-radius:var(--r-md);}
  .cta-band h2{font-size:23px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer{padding-top:56px;margin-top:68px;}
  .back-actions .btn{width:100%;}
  .article-foot{flex-direction:column;align-items:flex-start;}
}
@media (max-width:519px){
  .container{padding-left:20px;padding-right:20px;}
  .brand-text{font-size:17px;}
  .breadcrumb{font-size:13.5px;}
  .breadcrumb .current{white-space:normal;}
}

/* roulang page: category1 */
:root{
  --primary:#5B4DE8;
  --primary-hover:#4536D6;
  --secondary:#14C8B8;
  --accent:#FFB43A;
  --bg:#F6F7FB;
  --card:#FFFFFF;
  --dark:#14142B;
  --text:#1B1D2E;
  --text-2:#5C6178;
  --text-3:#8A8FA3;
  --border:#E7E9F2;
  --line:#EFF1F8;
  --grad:linear-gradient(135deg,#5B4DE8 0%,#14C8B8 100%);
  --grad-rev:linear-gradient(120deg,#14C8B8 0%,#5B4DE8 100%);
  --r-lg:28px;
  --r-md:20px;
  --r-sm:16px;
  --r-pill:999px;
  --sh-card:0 8px 24px rgba(27,29,46,.06);
  --sh-hover:0 16px 40px rgba(91,77,232,.16);
  --sh-grad:0 20px 60px rgba(91,77,232,.22);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:-0.01em;}
h1{font-size:44px;line-height:1.2;font-weight:800;letter-spacing:-0.02em;}
h2{font-size:28px;line-height:1.3;}
h3{font-size:19px;line-height:1.4;font-weight:600;}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;font-size:inherit;border:none;background:none;cursor:pointer;color:inherit;}
input{font-family:inherit;}
svg{display:block;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
@media (min-width:1440px){
  .container{max-width:1280px;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight:600;
  font-size:15px;
  line-height:1;
  border-radius:var(--r-pill);
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  padding:14px 28px;
  box-shadow:0 10px 24px rgba(91,77,232,.26);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(91,77,232,.34);color:#fff;}
.btn-primary:active{transform:translateY(-1px);}
.btn-ghost{
  background:#fff;
  color:var(--primary);
  border:1px solid var(--primary);
  padding:13px 26px;
}
.btn-ghost:hover{background:#F0EEFF;color:var(--primary-hover);}
.btn-amber{
  background:var(--accent);
  color:#33230A;
  padding:11px 22px;
}
.btn-amber:hover{background:#FFC45E;color:#33230A;transform:translateY(-1px);}
.btn-on-grad{
  background:#fff;
  color:var(--primary);
  padding:14px 30px;
  box-shadow:0 12px 30px rgba(20,20,43,.18);
}
.btn-on-grad:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(20,20,43,.24);color:var(--primary-hover);}

/* ---------- 页头导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(27,29,46,.08);}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:20px;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:18px;
  color:var(--text);
  white-space:nowrap;
  flex:0 0 auto;
}
.brand-mark{
  width:30px;
  height:30px;
  border-radius:9px;
  background:var(--grad);
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 16px rgba(91,77,232,.3);
}
.brand-mark svg{width:17px;height:17px;fill:none;stroke:#fff;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.brand-text em{font-style:normal;color:var(--primary);}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:10px;
  flex:1 1 auto;
}
.nav-link{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  border-radius:10px;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--primary);background:#F3F1FE;}
.nav-link.active{color:var(--text);font-weight:600;}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:3px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
}
.nav-right{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  padding:0 16px;
  height:40px;
  width:212px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search svg{width:16px;height:16px;fill:none;stroke:var(--text-3);stroke-width:1.6;stroke-linecap:round;}
.nav-search input{
  border:none;
  background:transparent;
  outline:none;
  width:100%;
  font-size:14px;
  color:var(--text);
  height:100%;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search:focus-within{
  background:#fff;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(91,77,232,.14);
}
.nav-help{
  font-size:15px;
  color:var(--text-2);
  font-weight:500;
}
.nav-help:hover{color:var(--primary);}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:12px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--border);
}
.nav-toggle svg{width:20px;height:20px;fill:none;stroke:var(--text);stroke-width:1.7;stroke-linecap:round;}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  color:#fff;
  border-radius:0 0 28px 28px;
  overflow:hidden;
  background-image:
    linear-gradient(118deg,rgba(20,20,43,.94) 0%,rgba(91,77,232,.85) 48%,rgba(20,200,184,.72) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:auto -10% -60% auto;
  width:520px;
  height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,180,58,.28) 0%,rgba(255,180,58,0) 68%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:1;
  padding:52px 32px 60px;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(255,255,255,.72);
  margin-bottom:22px;
}
.crumb a{color:rgba(255,255,255,.78);}
.crumb a:hover{color:#fff;}
.crumb-cur{color:#fff;}
.cat-hero h1{
  color:#fff;
  max-width:820px;
  font-size:42px;
}
.hero-lead{
  margin-top:18px;
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.86);
  max-width:640px;
}
.badge-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 15px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  line-height:1;
}
.badge-glass{
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;
}
.badge-glass .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);
}
.badge-soft-primary{background:rgba(91,77,232,.1);color:#3B2FBE;}
.badge-soft-teal{background:rgba(20,200,184,.12);color:#0C8E82;}
.badge-soft-amber{background:rgba(255,180,58,.16);color:#8A5A00;}

/* ---------- 页内锚点 ---------- */
.anchor-nav{
  background:#fff;
  border-bottom:1px solid var(--line);
  position:sticky;
  top:72px;
  z-index:60;
}
.anchor-inner{
  display:flex;
  align-items:center;
  gap:10px;
  padding:14px 32px;
  overflow-x:auto;
  scrollbar-width:none;
}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-pill{
  flex:0 0 auto;
  padding:9px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--border);
  background:var(--bg);
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
  transition:all .2s ease;
}
.anchor-pill:hover{
  border-color:var(--primary);
  color:var(--primary);
  background:#F3F1FE;
}

/* ---------- 通用板块 ---------- */
.section{padding:92px 0;}
.section-tight{padding:68px 0;}
.section-head{max-width:660px;margin-bottom:48px;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--secondary);
  text-transform:uppercase;
  margin-bottom:12px;
}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:16px;}

/* ---------- 时间线步骤 ---------- */
.timeline{
  position:relative;
  padding-left:0;
}
.step-item{
  position:relative;
  display:flex;
  gap:28px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  margin-bottom:24px;
}
.step-item:last-child{margin-bottom:0;}
.step-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-hover);
  border-color:rgba(91,77,232,.35);
}
.step-badge{
  flex:0 0 auto;
  width:56px;
  height:56px;
  border-radius:18px;
  background:var(--grad);
  color:#fff;
  font-size:19px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 10px 24px rgba(91,77,232,.28);
  font-variant-numeric:tabular-nums;
}
.step-body{flex:1 1 auto;min-width:0;}
.step-body h3{margin-bottom:10px;}
.step-body > p{color:var(--text-2);font-size:15.5px;}
.check-list{margin-top:16px;display:grid;gap:9px;}
.check-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.65;
}
.check-list svg{
  flex:0 0 auto;
  width:17px;
  height:17px;
  margin-top:3px;
  fill:none;
  stroke:var(--secondary);
  stroke-width:2;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.step-thumb{
  flex:0 0 180px;
  width:180px;
  aspect-ratio:16/10;
  border-radius:var(--r-sm);
  overflow:hidden;
  background:var(--line);
}
.step-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
.step-item:hover .step-thumb img{transform:scale(1.04);}

/* ---------- 设备对照 ---------- */
.device-list{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-card);
}
.device-row{
  display:flex;
  align-items:flex-start;
  gap:24px;
  padding:26px 32px;
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.device-row:last-child{border-bottom:none;}
.device-row:hover{background:#FAFAFE;}
.device-name{
  flex:0 0 190px;
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:600;
  font-size:16px;
}
.device-name svg{
  width:20px;height:20px;flex:0 0 auto;
  fill:none;stroke:var(--primary);
  stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;
}
.device-desc{flex:1 1 auto;color:var(--text-2);font-size:15px;min-width:0;}
.device-tag{
  flex:0 0 auto;
  align-self:center;
  font-size:13px;
  font-weight:600;
  padding:6px 13px;
  border-radius:var(--r-pill);
  background:rgba(20,200,184,.12);
  color:#0C8E82;
  white-space:nowrap;
}

/* ---------- 常见卡点（深色区块） ---------- */
.dark-band{
  background:var(--dark);
  color:#fff;
  padding:92px 0;
  position:relative;
  overflow:hidden;
}
.dark-band::before{
  content:"";
  position:absolute;
  top:-160px;left:-120px;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(91,77,232,.42) 0%,rgba(91,77,232,0) 70%);
}
.dark-band .container{position:relative;z-index:1;}
.dark-band h2{color:#fff;margin-bottom:16px;}
.dark-band .band-lead{color:rgba(255,255,255,.72);font-size:15.5px;max-width:400px;}
.pitfall-list{display:grid;gap:16px;}
.pitfall-list li{
  display:flex;
  gap:18px;
  align-items:flex-start;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-md);
  padding:22px 24px;
  transition:background .2s ease,transform .2s ease;
}
.pitfall-list li:hover{background:rgba(255,255,255,.1);transform:translateY(-3px);}
.pit-index{
  flex:0 0 auto;
  width:30px;height:30px;
  border-radius:10px;
  background:rgba(255,180,58,.2);
  color:var(--accent);
  font-size:13px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.pit-text strong{display:block;font-size:16px;color:#fff;font-weight:600;margin-bottom:5px;}
.pit-text span{font-size:14.5px;color:rgba(255,255,255,.72);line-height:1.7;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-sm);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(91,77,232,.4);}
.faq-item.is-open{
  border-color:transparent;
  box-shadow:0 0 0 1px var(--primary),var(--sh-card);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  text-align:left;
  padding:22px 26px;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--border);
  position:relative;
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  top:50%;left:50%;
  background:var(--text-2);
  transform:translate(-50%,-50%);
  border-radius:2px;
}
.faq-icon::before{width:11px;height:1.6px;}
.faq-icon::after{width:1.6px;height:11px;}
.faq-item.is-open .faq-icon{
  transform:rotate(45deg);
  background:var(--grad);
  border-color:transparent;
}
.faq-item.is-open .faq-icon::before,
.faq-item.is-open .faq-icon::after{background:#fff;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .25s ease;
}
.faq-a p{
  padding:0 26px 24px;
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.85;
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--grad-rev);
  border-radius:var(--r-lg);
  padding:64px 56px;
  color:#fff;
  position:relative;
  overflow:hidden;
  box-shadow:var(--sh-grad);
}
.cta-band::after{
  content:"";
  position:absolute;
  top:-80px;right:-60px;
  width:360px;height:360px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.22);
}
.cta-band h2{color:#fff;max-width:520px;}
.cta-band p{
  margin-top:14px;
  color:rgba(255,255,255,.88);
  font-size:16px;
  max-width:520px;
}
.cta-actions{
  margin-top:30px;
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
}
.cta-note{font-size:13.5px;color:rgba(255,255,255,.76);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding:72px 0 34px;
  margin-top:92px;
  border-radius:28px 28px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .brand-text{
  display:inline-block;
  font-size:19px;
  font-weight:800;
  color:#fff;
}
.footer-brand p{
  margin-top:16px;
  font-size:14.5px;
  line-height:1.8;
  color:rgba(255,255,255,.64);
  max-width:320px;
}
.social{display:flex;gap:10px;margin-top:22px;}
.social a{
  width:36px;height:36px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.social a:hover{background:rgba(20,200,184,.18);border-color:var(--secondary);transform:translateY(-2px);}
.social svg{width:17px;height:17px;fill:none;stroke:rgba(255,255,255,.8);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:18px;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:var(--secondary);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  padding-top:26px;
  font-size:14px;
  color:rgba(255,255,255,.58);
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 18px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.2);
  color:rgba(255,255,255,.82);
  font-size:14px;
  transition:background .2s ease,border-color .2s ease;
}
.to-top:hover{background:rgba(255,255,255,.1);border-color:var(--secondary);color:#fff;}
.to-top svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-search{width:170px;}
  .nav-link{padding:10px 11px;font-size:14.5px;}
  h1{font-size:34px;}
  .cat-hero h1{font-size:34px;}
  .section{padding:72px 0;}
  .dark-band{padding:72px 0;}
}

@media (max-width:860px){
  .nav-links{
    position:fixed;
    top:72px;
    left:0;
    right:0;
    bottom:0;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:24px 20px 100px;
    margin-left:0;
    transform:translateX(100%);
    transition:transform .25s ease;
    overflow-y:auto;
    z-index:70;
  }
  body.nav-open .nav-links{transform:translateX(0);}
  .nav-link{padding:15px 16px;font-size:16px;border-radius:12px;}
  .nav-link.active{background:#F3F1FE;}
  .nav-link.active::after{display:none;}
  .nav-toggle{display:flex;}
  .nav-search{display:none;}
  .nav-help{display:none;}
  body.nav-open .nav-right .btn-amber{display:none;}

  .anchor-nav{top:72px;}
  .step-item{flex-direction:column;gap:20px;padding:26px;}
  .step-thumb{width:100%;flex:0 0 auto;}
  .device-row{flex-direction:column;gap:10px;padding:22px 24px;}
  .device-name{flex:0 0 auto;}
  .device-tag{align-self:flex-start;}
  .cta-band{padding:48px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media (max-width:640px){
  h1{font-size:29px;}
  .cat-hero h1{font-size:29px;}
  h2{font-size:22px;}
  .hero-inner{padding:36px 20px 44px;}
  .hero-lead{font-size:15.5px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .dark-band{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .step-item{border-radius:var(--r-md);padding:22px;}
  .step-badge{width:48px;height:48px;border-radius:15px;font-size:17px;}
  .faq-q{padding:18px 20px;font-size:15.5px;}
  .faq-a p{padding:0 20px 20px;font-size:15px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{margin-top:56px;border-radius:22px 22px 0 0;padding-top:52px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{border-radius:var(--r-md);padding:40px 22px;}
  .cta-band::after{display:none;}
}

/* roulang page: category2 */
:root{
  --primary:#5B4DE8;
  --primary-hover:#4536D6;
  --secondary:#14C8B8;
  --accent:#FFB43A;
  --bg:#F6F7FB;
  --card:#FFFFFF;
  --ink:#1B1D2E;
  --ink-2:#5C6178;
  --ink-3:#8A8FA3;
  --border:#E7E9F2;
  --line:#EFF1F8;
  --dark:#14142B;
  --grad:linear-gradient(135deg,#5B4DE8 0%,#14C8B8 100%);
  --grad-rev:linear-gradient(120deg,#14C8B8 0%,#5B4DE8 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:16px;
  --r-btn:999px;
  --sh-card:0 8px 24px rgba(27,29,46,.06);
  --sh-hover:0 16px 40px rgba(91,77,232,.16);
  --sh-grad:0 20px 60px rgba(91,77,232,.22);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:var(--font);
  font-size:16px;line-height:1.75;color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-sm);}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-hover);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-sm{padding:64px 0;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(27,29,46,.07);}
.nav-wrap{display:flex;align-items:center;gap:28px;height:70px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:26px;height:26px;border-radius:9px;
  background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(91,77,232,.28);
}
.brand-mark svg{width:16px;height:16px;fill:none;stroke:#fff;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.02em;white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--primary);}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 12px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--primary);background:#F0EEFF;}
.nav-link.active{color:var(--primary);}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-6px;height:2px;
  border-radius:2px;background:var(--grad);
}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;
  background:var(--bg);border:1px solid var(--border);
  border-radius:var(--r-btn);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(91,77,232,.14);}
.nav-search svg{width:16px;height:16px;flex:0 0 auto;fill:none;stroke:var(--ink-3);stroke-width:1.6;stroke-linecap:round;}
.nav-search input{
  width:190px;border:0;background:transparent;outline:none;
  font-family:inherit;font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-help{font-size:14px;font-weight:600;color:var(--ink-2);}
.nav-help:hover{color:var(--primary);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border:1px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1.2;text-align:center;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(91,77,232,.26);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-grad);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--primary);border-color:rgba(91,77,232,.45);}
.btn-ghost:hover{background:#F0EEFF;color:var(--primary-hover);border-color:var(--primary);}
.btn-amber{background:var(--accent);color:#2A1B00;box-shadow:0 8px 20px rgba(255,180,58,.32);}
.btn-amber:hover{background:#FFC25F;color:#2A1B00;transform:translateY(-2px);}
.btn-amber:active{transform:translateY(1px);}
.btn-light{background:#fff;color:var(--primary);}
.btn-light:hover{color:var(--primary-hover);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.nav-cta{padding:10px 20px;font-size:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--bg);border:1px solid var(--border);
  align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;fill:none;stroke:var(--ink);stroke-width:1.8;stroke-linecap:round;}

/* ============ 通用组件 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.04em;
  color:var(--primary);text-transform:uppercase;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-btn);
  font-size:13px;font-weight:600;white-space:nowrap;
}
.badge i{width:6px;height:6px;border-radius:50%;background:currentColor;flex:0 0 auto;}
.badge-primary{background:rgba(91,77,232,.10);color:#3C2FC2;}
.badge-secondary{background:rgba(20,200,184,.14);color:#0B8074;}
.badge-accent{background:rgba(255,180,58,.20);color:#8A5A00;}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:var(--r-btn);
  background:var(--line);color:var(--ink-2);
  font-size:13px;font-weight:600;
}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:28px;line-height:1.3;font-weight:700;margin-bottom:14px;}
.section-head p{color:var(--ink-2);margin:0;}
.breadcrumb{font-size:14px;color:var(--ink-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#C4C8D8;}
.breadcrumb .current{color:var(--ink-3);}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(120deg,rgba(20,18,52,.90) 0%,rgba(91,77,232,.82) 52%,rgba(20,200,184,.72) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  color:#fff;
  padding:72px 0 76px;
}
.cat-hero .breadcrumb{color:rgba(255,255,255,.72);margin-bottom:22px;}
.cat-hero .breadcrumb a{color:rgba(255,255,255,.86);}
.cat-hero .breadcrumb a:hover{color:#fff;}
.cat-hero .breadcrumb .sep{color:rgba(255,255,255,.45);}
.cat-hero .breadcrumb .current{color:rgba(255,255,255,.75);}
.cat-hero h1{
  color:#fff;font-size:42px;line-height:1.22;font-weight:800;letter-spacing:-.02em;
  max-width:820px;margin-bottom:18px;
}
.cat-hero .lead{
  font-size:17px;line-height:1.7;color:rgba(255,255,255,.88);
  max-width:680px;margin-bottom:26px;
}
.cat-hero .badge-row{display:flex;flex-wrap:wrap;gap:12px;}
.cat-hero .badge-primary{background:rgba(255,255,255,.18);color:#fff;}
.cat-hero .badge-secondary{background:rgba(20,200,184,.26);color:#C9FFF8;}
.cat-hero .badge-accent{background:rgba(255,180,58,.28);color:#FFE7BB;}

/* ============ 锚点条 ============ */
.anchor-bar{
  background:#fff;border-bottom:1px solid var(--border);
  position:sticky;top:70px;z-index:40;
}
.anchor-inner{display:flex;gap:10px;flex-wrap:wrap;padding:16px 0;}
.anchor-pill{
  display:inline-flex;align-items:center;
  padding:8px 18px;border-radius:var(--r-btn);
  background:var(--bg);border:1px solid var(--border);
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .18s ease;
}
.anchor-pill:hover{background:#F0EEFF;color:var(--primary);border-color:rgba(91,77,232,.4);transform:translateY(-1px);}

/* ============ 交替图文块 ============ */
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);
  padding:44px;box-shadow:var(--sh-card);
  transition:box-shadow .22s ease;
}
.feature-row + .feature-row{margin-top:32px;}
.feature-row:hover{box-shadow:var(--sh-hover);}
.feature-row.reverse .feature-media{order:2;}
.feature-media{position:relative;border-radius:var(--r-md);overflow:hidden;}
.feature-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-md);}
.feature-media .corner-badge{
  position:absolute;top:14px;left:14px;
  background:rgba(255,255,255,.94);color:#7A4A00;
  padding:6px 14px;border-radius:var(--r-btn);
  font-size:13px;font-weight:700;
}
.feature-body h3{font-size:22px;font-weight:700;line-height:1.4;margin-bottom:12px;}
.feature-body > p{color:var(--ink-2);}
.check-list{margin-top:6px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:10px 0;border-bottom:1px dashed var(--line);
  font-size:15px;color:var(--ink-2);
}
.check-list li:last-child{border-bottom:0;}
.check-list svg{
  width:20px;height:20px;flex:0 0 auto;margin-top:3px;
  fill:none;stroke:var(--secondary);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;
}
.check-list strong{color:var(--ink);font-weight:700;}

/* ============ 对比模块 ============ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh-card);
}
.compare-card h3{font-size:19px;font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:10px;}
.compare-card .dot{
  width:34px;height:34px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.compare-card .dot svg{width:18px;height:18px;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.compare-card.good .dot{background:rgba(20,200,184,.14);}
.compare-card.good .dot svg{stroke:#0B8074;}
.compare-card.warn .dot{background:rgba(255,180,58,.20);}
.compare-card.warn .dot svg{stroke:#8A5A00;}
.compare-card > p{color:var(--ink-3);font-size:14px;margin-bottom:16px;}
.compare-card ul li{
  display:flex;gap:10px;align-items:flex-start;
  padding:9px 0;font-size:15px;color:var(--ink-2);
}
.compare-card ul li span.mark{font-weight:800;line-height:1.6;}
.compare-card.good ul li span.mark{color:#0B8074;}
.compare-card.warn ul li span.mark{color:#C68500;}

/* ============ 提示条 ============ */
.notice{
  margin-top:32px;
  display:flex;gap:20px;align-items:flex-start;
  background:linear-gradient(120deg,rgba(91,77,232,.07),rgba(20,200,184,.07));
  border:1px solid rgba(91,77,232,.16);
  border-radius:var(--r-lg);
  padding:26px 30px;
}
.notice-icon{
  width:44px;height:44px;flex:0 0 auto;border-radius:14px;
  background:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-card);
}
.notice-icon svg{width:22px;height:22px;fill:none;stroke:var(--primary);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.notice h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.notice p{color:var(--ink-2);margin:0;font-size:15px;}

/* ============ 数据带 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  background:var(--dark);border-radius:var(--r-xl);
  padding:40px 44px;color:#fff;
}
.stat-item .num{
  font-size:32px;font-weight:800;line-height:1.1;
  background:linear-gradient(135deg,#A99CFF,#5BE6D8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-item .label{font-size:14px;color:rgba(255,255,255,.72);margin-top:6px;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:16px;max-width:880px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-sm);
  box-shadow:var(--sh-card);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:rgba(91,77,232,.45);box-shadow:var(--sh-hover);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:transparent;border:0;
  font-family:inherit;font-size:16px;font-weight:700;color:var(--ink);text-align:left;
  line-height:1.5;
}
.faq-q:hover{color:var(--primary);}
.faq-icon{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;
  background:var(--line);color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:600;line-height:1;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--grad);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .22s ease;
}
.faq-a-inner{padding:0 24px 22px;color:var(--ink-2);font-size:15px;line-height:1.8;}
.faq-a-inner p:last-child{margin-bottom:0;}

/* ============ CTA ============ */
.cta-block{
  position:relative;overflow:hidden;
  background:var(--grad);border-radius:var(--r-xl);
  padding:64px 56px;color:#fff;box-shadow:var(--sh-grad);
}
.cta-block::after{
  content:"";position:absolute;top:-60px;right:-40px;width:320px;height:320px;
  background:radial-gradient(circle,rgba(255,255,255,.28) 0%,rgba(255,255,255,0) 68%);
}
.cta-block h2{color:#fff;font-size:30px;line-height:1.3;font-weight:800;margin-bottom:14px;max-width:620px;position:relative;}
.cta-block p{color:rgba(255,255,255,.9);max-width:600px;margin-bottom:28px;position:relative;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;position:relative;}
.cta-note{font-size:13px;color:rgba(255,255,255,.78);margin:18px 0 0;position:relative;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);color:rgba(255,255,255,.72);
  margin-top:96px;padding:64px 0 28px;
  border-top-left-radius:var(--r-xl);border-top-right-radius:var(--r-xl);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand-text{color:#fff;font-size:20px;font-weight:800;}
.footer-brand .brand-text em{font-style:normal;color:var(--secondary);}
.footer-brand p{margin:16px 0 22px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:340px;}
.social{display:flex;gap:12px;}
.social a{
  width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.08);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .2s ease,transform .2s ease;
}
.social a:hover{background:rgba(20,200,184,.24);transform:translateY(-2px);}
.social svg{width:18px;height:18px;fill:none;stroke:#fff;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-col ul li{margin-bottom:12px;}
.footer-col a{color:rgba(255,255,255,.68);font-size:14px;}
.footer-col a:hover{color:var(--secondary);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  color:#fff;border-radius:var(--r-btn);padding:8px 16px;font-size:13px;font-weight:600;
  transition:background .2s ease;
}
.to-top:hover{background:rgba(20,200,184,.22);}
.to-top svg{width:14px;height:14px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .nav-search,.nav-help{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-links{
    display:none;position:fixed;top:70px;left:0;right:0;bottom:0;
    background:#fff;flex-direction:column;align-items:stretch;gap:4px;
    padding:20px 24px 32px;margin:0;overflow-y:auto;
  }
  .nav-links.is-open{display:flex;}
  .nav-link{padding:14px 12px;font-size:16px;border-radius:12px;}
  .nav-link.active::after{display:none;}
  .nav-link.active{background:#F0EEFF;}
  .anchor-bar{position:static;}
  .feature-row{grid-template-columns:1fr;gap:28px;padding:32px;}
  .feature-row.reverse .feature-media{order:0;}
  .compare-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr 1fr;gap:24px;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cat-hero h1{font-size:32px;}
  .cat-hero{padding:56px 0 60px;}
  .cta-block{padding:44px 32px;}
  .cta-block h2{font-size:24px;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .nav-wrap{height:64px;gap:12px;}
  .nav-links{top:64px;}
  .brand-text{font-size:17px;}
  .nav-cta{padding:9px 14px;font-size:13px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:22px;}
  .cat-hero h1{font-size:28px;}
  .cat-hero .lead{font-size:16px;}
  .feature-row{padding:24px;}
  .feature-body h3{font-size:19px;}
  .compare-card{padding:24px;}
  .stat-strip{grid-template-columns:1fr 1fr;padding:26px;gap:20px;}
  .stat-item .num{font-size:26px;}
  .notice{flex-direction:column;gap:14px;padding:22px;}
  .faq-q{padding:16px 18px;font-size:15px;}
  .faq-a-inner{padding:0 18px 18px;}
  .cta-block{padding:34px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
  --primary:#5B4DE8;
  --primary-hover:#4536D6;
  --primary-soft:#F0EEFF;
  --secondary:#14C8B8;
  --accent:#FFB43A;
  --accent-deep:#8A5A00;
  --bg:#F6F7FB;
  --card:#FFFFFF;
  --dark:#14142B;
  --text:#1B1D2E;
  --text-2:#5C6178;
  --text-3:#8A8FA3;
  --border:#E7E9F2;
  --line:#EFF1F8;
  --grad:linear-gradient(135deg,#5B4DE8 0%,#14C8B8 100%);
  --grad-rev:linear-gradient(120deg,#14C8B8 0%,#5B4DE8 100%);
  --r-lg:28px;
  --r-md:20px;
  --r-sm:16px;
  --r-pill:999px;
  --sh-card:0 8px 24px rgba(27,29,46,.06);
  --sh-hover:0 16px 40px rgba(91,77,232,.16);
  --sh-grad:0 20px 60px rgba(91,77,232,.22);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
button{font-family:inherit;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
@media (min-width:1440px){
  .container{max-width:1280px;}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 6px 24px rgba(27,29,46,.07);}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:24px;
  height:68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:28px;
  height:28px;
  border-radius:9px;
  background:var(--grad);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 16px rgba(91,77,232,.28);
}
.brand-mark svg{
  width:17px;height:17px;
  fill:none;stroke:#fff;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;
}
.brand-text{
  font-size:19px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--text);
  white-space:nowrap;
}
.brand-text em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
}
.nav-link{
  position:relative;
  padding:8px 12px;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  border-radius:10px;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft);}
.nav-link.active{color:var(--primary);}
.nav-link.active::after{transform:scaleX(1);}
.nav-right{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  padding:0 14px;
  height:40px;
  width:210px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search svg{
  width:16px;height:16px;flex:0 0 auto;
  fill:none;stroke:var(--text-3);stroke-width:1.6;stroke-linecap:round;
}
.nav-search input{
  border:0;background:transparent;outline:none;
  width:100%;height:100%;
  font-size:14px;color:var(--text);
  font-family:inherit;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(91,77,232,.14);
  background:#fff;
}
.nav-help{
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  padding:8px 6px;
}
.nav-help:hover{color:var(--primary);}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--border);
  background:#fff;
  border-radius:12px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;fill:none;stroke:var(--text);stroke-width:1.6;stroke-linecap:round;}
.nav-panel-cta{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 26px rgba(91,77,232,.26);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(91,77,232,.34);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:#fff;
  color:var(--primary);
  border-color:var(--primary);
}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-hover);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-inverse{
  background:#fff;
  color:var(--primary);
  box-shadow:0 12px 30px rgba(20,20,43,.18);
}
.btn-inverse:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(20,20,43,.24);}
.btn-amber{
  background:var(--accent);
  color:#2A1B00;
  font-weight:700;
}
.btn-amber:hover{background:#FFC459;transform:translateY(-2px);}
.btn-amber:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  padding:42px 0 46px;
  color:#fff;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(20,20,43,.92) 0%,rgba(91,77,232,.86) 52%,rgba(20,200,184,.74) 100%);
}
.cat-hero .container{position:relative;z-index:1;}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.78);
  margin-bottom:16px;
  flex-wrap:wrap;
}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:#fff;}
.crumb span.sep{opacity:.6;}
.crumb .current{color:#fff;font-weight:600;}
.cat-hero h1{
  font-size:40px;
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.02em;
  max-width:820px;
}
.cat-hero .lead{
  margin-top:14px;
  font-size:16.5px;
  line-height:1.7;
  color:rgba(255,255,255,.88);
  max-width:760px;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}
.badge-glass{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.24);
  font-size:13px;
  font-weight:600;
  color:#fff;
  backdrop-filter:blur(4px);
}
.badge-glass i{
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);
  display:inline-block;
}

/* ---------- 页内锚点 ---------- */
.anchor-bar{
  margin-top:-24px;
  position:relative;
  z-index:5;
}
.anchor-inner{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  padding:10px 12px;
  box-shadow:var(--sh-card);
}
.anchor-inner a{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 18px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:600;
  color:var(--text-2);
  background:var(--bg);
}
.anchor-inner a:hover{
  background:var(--primary-soft);
  color:var(--primary);
  transform:translateY(-1px);
}

/* ---------- 通用板块 ---------- */
.section{padding:74px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:720px;margin-bottom:32px;}
.section-head h2{
  font-size:28px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
}
.section-head p{
  margin-top:10px;
  color:var(--text-2);
  font-size:15.5px;
}

/* ---------- FAQ 两栏布局 ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:262px minmax(0,1fr);
  gap:32px;
  align-items:start;
}
.faq-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:22px 20px;
  box-shadow:var(--sh-card);
}
.side-card h3{
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  margin-bottom:14px;
  color:var(--text);
}
.side-nav li+li{margin-top:4px;}
.side-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:9px 12px;
  border-radius:12px;
  font-size:14.5px;
  color:var(--text-2);
  font-weight:500;
}
.side-nav a span.num{
  font-size:12.5px;
  font-weight:700;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.side-nav a:hover{background:var(--primary-soft);color:var(--primary);}
.side-nav a:hover span.num{color:var(--primary);}
.side-figure{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-card);
}
.side-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.side-figure figcaption{
  padding:12px 16px 16px;
  font-size:13.5px;
  color:var(--text-2);
  line-height:1.6;
}

.faq-main{display:flex;flex-direction:column;gap:30px;}
.qa-group{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:26px 26px 18px;
  box-shadow:var(--sh-card);
  scroll-margin-top:100px;
}
.qa-group-head{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:16px;
}
.qa-group-head .g-icon{
  width:40px;height:40px;
  flex:0 0 auto;
  border-radius:13px;
  background:var(--primary-soft);
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.qa-group-head .g-icon svg{
  width:20px;height:20px;
  fill:none;stroke:var(--primary);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;
}
.qa-group-head h2{
  font-size:20px;
  font-weight:700;
  line-height:1.4;
}
.qa-group-head .tag{
  margin-left:auto;
  font-size:12.5px;
  font-weight:600;
  color:var(--text-2);
  background:var(--line);
  border-radius:var(--r-pill);
  padding:5px 12px;
  white-space:nowrap;
}

.qa-item{
  border:1px solid var(--border);
  border-radius:var(--r-sm);
  background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.qa-item+.qa-item{margin-top:10px;}
.qa-item:hover{border-color:#D9D3FF;}
.qa-item.is-open{
  border-color:transparent;
  box-shadow:0 0 0 1.5px var(--primary) inset;
}
.qa-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:14px;
  text-align:left;
  padding:16px 18px;
  background:transparent;
  border:0;
  cursor:pointer;
  font-size:15.5px;
  font-weight:600;
  line-height:1.6;
  color:var(--text);
  border-radius:var(--r-sm);
}
.qa-q:hover{color:var(--primary);}
.qa-q .q-mark{
  font-size:12.5px;
  font-weight:800;
  color:var(--primary);
  background:var(--primary-soft);
  border-radius:8px;
  padding:3px 8px;
  flex:0 0 auto;
  font-variant-numeric:tabular-nums;
}
.qa-q .q-icon{
  margin-left:auto;
  width:22px;height:22px;
  flex:0 0 auto;
  position:relative;
}
.qa-q .q-icon::before,
.qa-q .q-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  width:13px;height:1.8px;
  border-radius:2px;
  background:var(--text-3);
  transform:translate(-50%,-50%);
  transition:transform .2s ease,background-color .2s ease;
}
.qa-q .q-icon::after{transform:translate(-50%,-50%) rotate(90deg);}
.qa-item.is-open .q-icon::before{background:var(--primary);}
.qa-item.is-open .q-icon::after{transform:translate(-50%,-50%) rotate(0deg);background:var(--primary);}
.qa-a{
  padding:0 18px 18px 66px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
}
.qa-a strong{color:var(--text);font-weight:600;}
@media (max-width:640px){
  .qa-a{padding-left:18px;}
}

/* ---------- 速查清单 ---------- */
.quick-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.quick-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:24px 22px;
  box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#DDD8FF;}
.quick-card .chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  font-weight:700;
  color:var(--accent-deep);
  background:rgba(255,180,58,.18);
  border-radius:var(--r-pill);
  padding:5px 12px;
}
.quick-card h3{
  margin-top:14px;
  font-size:18px;
  font-weight:700;
  line-height:1.45;
}
.quick-card .row{
  margin-top:14px;
  padding-top:14px;
  border-top:1px dashed var(--line);
  font-size:14.5px;
  color:var(--text-2);
}
.quick-card .row b{
  display:block;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--text-3);
  margin-bottom:4px;
}

/* ---------- 仍未解决 ---------- */
.help-box{
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);
  gap:28px;
  align-items:center;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:34px 34px;
  box-shadow:var(--sh-card);
}
.help-box h2{
  font-size:24px;
  font-weight:700;
  line-height:1.35;
}
.help-box p{
  margin-top:12px;
  color:var(--text-2);
  font-size:15.5px;
  max-width:560px;
}
.help-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:22px;
}
.help-figure{
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--border);
}
.help-figure img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
}

/* ---------- 底部 CTA ---------- */
.cta-block{
  position:relative;
  border-radius:var(--r-lg);
  padding:64px 56px;
  background:var(--grad);
  color:#fff;
  overflow:hidden;
  box-shadow:var(--sh-grad);
}
.cta-block::after{
  content:"";
  position:absolute;
  top:-60%;right:-10%;
  width:52%;height:200%;
  background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.18));
  transform:rotate(18deg);
  pointer-events:none;
}
.cta-block h2{
  position:relative;
  font-size:30px;
  font-weight:800;
  line-height:1.32;
  letter-spacing:-.01em;
  max-width:600px;
}
.cta-block p{
  position:relative;
  margin-top:14px;
  font-size:16px;
  color:rgba(255,255,255,.9);
  max-width:620px;
}
.cta-actions{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.cta-note{
  position:relative;
  margin-top:18px;
  font-size:13.5px;
  color:rgba(255,255,255,.8);
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding:64px 0 28px;
  border-radius:var(--r-lg) var(--r-lg) 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand .brand-text{color:#fff;font-size:19px;}
.footer-brand p{
  margin-top:14px;
  font-size:14.5px;
  line-height:1.8;
  max-width:320px;
  color:rgba(255,255,255,.66);
}
.social{
  display:flex;
  gap:10px;
  margin-top:20px;
}
.social a{
  width:38px;height:38px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:background-color .2s ease,transform .2s ease;
}
.social a svg{
  width:17px;height:17px;
  fill:none;stroke:rgba(255,255,255,.82);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;
}
.social a:hover{background:rgba(20,200,184,.24);transform:translateY(-2px);}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-col li+li{margin-top:10px;}
.footer-col a{
  font-size:14.5px;
  color:rgba(255,255,255,.68);
}
.footer-col a:hover{color:var(--secondary);}
.footer-bottom{
  margin-top:42px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:rgba(255,255,255,.55);
}
.to-top{
  margin-left:auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.08);
  border:0;
  color:rgba(255,255,255,.84);
  font-size:13.5px;
  padding:9px 16px;
  border-radius:var(--r-pill);
  cursor:pointer;
  transition:background-color .2s ease,transform .2s ease;
}
.to-top svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.to-top:hover{background:rgba(20,200,184,.24);transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .nav-links{display:none;}
  .nav-search{width:170px;}
  .cat-hero h1{font-size:34px;}
  .faq-layout{grid-template-columns:1fr;}
  .faq-side{position:static;}
  .quick-grid{grid-template-columns:1fr 1fr;}
  .help-box{grid-template-columns:1fr;padding:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:60px 0;}
}

@media (max-width:767px){
  .nav-search,.nav-help{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-panel-cta{
    display:flex;
    margin-top:auto;
    height:50px;
    align-items:center;
    justify-content:center;
    background:var(--accent);
    color:#2A1B00;
    font-weight:700;
    border-radius:14px;
  }
  .nav-links{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    position:fixed;
    top:68px;
    right:0;
    width:min(320px,86vw);
    height:calc(100vh - 68px);
    background:#fff;
    border-left:1px solid var(--border);
    padding:20px 20px 26px;
    transform:translateX(105%);
    transition:transform .25s ease;
    box-shadow:-16px 0 40px rgba(27,29,46,.12);
    z-index:70;
    overflow-y:auto;
  }
  body.nav-open .nav-links{transform:translateX(0);}
  .nav-link{padding:13px 14px;font-size:16px;border-radius:12px;}
  .nav-link::after{display:none;}
  .nav-link.active{background:var(--primary-soft);}
  .cat-hero{padding:34px 0 40px;}
  .cat-hero h1{font-size:28px;}
  .cat-hero .lead{font-size:15.5px;}
  .anchor-bar{margin-top:-18px;}
  .anchor-inner{border-radius:var(--r-md);padding:12px;}
  .anchor-inner a{height:36px;padding:0 14px;font-size:14px;}
  .section{padding:52px 0;}
  .section-head h2{font-size:22px;}
  .qa-group{padding:20px 16px 14px;border-radius:var(--r-md);}
  .qa-group-head h2{font-size:17.5px;}
  .qa-group-head .tag{display:none;}
  .qa-q{font-size:15px;padding:14px 14px;gap:10px;}
  .qa-a{padding:0 14px 16px 14px;font-size:14.5px;}
  .quick-grid{grid-template-columns:1fr;}
  .help-box{padding:24px 20px;}
  .help-box h2{font-size:21px;}
  .cta-block{padding:40px 24px;border-radius:var(--r-md);}
  .cta-block h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:44px 0 24px;border-radius:24px 24px 0 0;}
  .to-top{margin-left:0;}
}

@media (max-width:520px){
  .container{padding:0 20px;}
  .brand-text{font-size:17px;}
  .cat-hero h1{font-size:26px;}
  .btn{height:44px;padding:0 18px;font-size:14.5px;}
  .cta-actions .btn{width:100%;}
  .help-actions .btn{width:100%;}
}