/* roulang page: index */
:root{
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --soft:#EEF3FF;
  --primary:#1E5AD8;
  --primary-h:#1748B0;
  --primary-l:#DCE7FF;
  --neon:#17E1C8;
  --neon2:#8A7BFF;
  --amber:#FFB020;
  --dark:#0A1220;
  --dark2:#111C2E;
  --t1:#0E1A2B;
  --t2:#43526A;
  --t3:#7A8798;
  --line:#E3E9F2;
  --err:#E5484D;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh:0 6px 20px rgba(16,32,64,.06);
  --sh-h:0 14px 32px rgba(16,32,64,.12);
  --glow:0 0 0 1px rgba(23,225,200,.35),0 0 24px rgba(23,225,200,.22);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font-family:inherit;font-size:16px}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.2px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:54px;padding:0 32px;font-size:16px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(30,90,216,.22)}
.btn-primary:hover{background:var(--primary-h);transform:translateY(-1px);box-shadow:0 12px 26px rgba(30,90,216,.3)}
.btn-ghost{background:#fff;color:var(--primary);border:1.5px solid var(--primary)}
.btn-ghost:hover{background:var(--soft);transform:translateY(-1px)}
.btn-neon{background:var(--neon);color:#06251F;box-shadow:0 8px 22px rgba(23,225,200,.28)}
.btn-neon:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 12px 30px rgba(23,225,200,.42)}
.btn:disabled,.btn[disabled]{opacity:.45;transform:none;box-shadow:none;cursor:not-allowed}
.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600;
  transition:color .2s ease,gap .2s ease;
}
.text-link:hover{color:var(--primary-h);gap:10px}
.text-link svg{width:16px;height:16px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:var(--dark);
  border-top:2px solid transparent;
  background-image:linear-gradient(var(--dark),var(--dark)),linear-gradient(90deg,var(--neon),var(--neon2));
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 10px 30px rgba(6,14,26,.35);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--neon),var(--neon2));color:#06131F;font-weight:800;font-size:16px;
  box-shadow:var(--glow);
}
.logo-text{position:relative;color:#fff;font-size:17px;font-weight:700;letter-spacing:.4px}
.logo-text .dot{
  position:absolute;right:-10px;top:2px;width:6px;height:6px;border-radius:50%;
  background:var(--neon);box-shadow:0 0 10px rgba(23,225,200,.9);
}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;padding:0 16px;height:68px;display:inline-flex;align-items:center;
  color:rgba(255,255,255,.78);font-size:15px;font-weight:500;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:16px;right:16px;bottom:14px;height:2px;border-radius:2px;
  background:var(--neon);box-shadow:0 0 10px rgba(23,225,200,.8);
  transform:scaleX(0);transform-origin:center;transition:transform .22s ease;
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:#fff;background:rgba(23,225,200,.10)}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.burger{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;transition:transform .25s ease,opacity .25s ease}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:290px;background:var(--dark2);z-index:120;
  transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  padding:24px 20px;display:flex;flex-direction:column;gap:8px;
  box-shadow:-20px 0 50px rgba(4,10,20,.5);
}
.drawer.open{transform:translateX(0)}
.drawer-close{align-self:flex-end;width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.16);color:#fff;font-size:18px;line-height:1;display:grid;place-items:center}
.drawer a.d-link{
  color:rgba(255,255,255,.82);padding:14px 14px;border-radius:10px;font-size:16px;font-weight:500;
  border-left:3px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.drawer a.d-link:hover{background:rgba(255,255,255,.06);color:#fff}
.drawer a.d-link.active{background:rgba(23,225,200,.10);color:#fff;border-left-color:var(--neon)}
.drawer .btn{margin-top:14px}
.backdrop{
  position:fixed;inset:0;background:rgba(6,12,24,.55);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:110;
}
.backdrop.show{opacity:1;visibility:visible}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#FFFFFF 0%,#EEF3FF 100%);padding:76px 0 84px}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(30,90,216,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(30,90,216,.035) 1px,transparent 1px);
  background-size:48px 48px;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-160px;width:560px;height:560px;pointer-events:none;
  background:radial-gradient(circle,rgba(23,225,200,.20),rgba(138,123,255,.12) 45%,transparent 72%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  border:1px solid rgba(30,90,216,.3);background:rgba(255,255,255,.7);
  color:var(--primary);font-size:13px;font-weight:600;letter-spacing:.4px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--neon);box-shadow:0 0 8px rgba(23,225,200,.9)}
.hero h1{font-size:44px;line-height:1.25;font-weight:700;letter-spacing:-.5px;margin:22px 0 16px;color:var(--t1)}
.hero-sub{font-size:17px;line-height:1.7;color:var(--t2);max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.trust-row{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:32px}
.trust-item{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--t2)}
.trust-item svg{width:18px;height:18px;color:var(--primary);flex-shrink:0}

.main-card{
  position:relative;background:#fff;border-radius:var(--r-card);padding:20px;
  box-shadow:0 18px 46px rgba(16,32,64,.12);border:1px solid var(--line);
}
.main-card-media{
  position:relative;border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;
  background:linear-gradient(135deg,#E8EFFB,#DCE7FF);display:grid;place-items:center;
}
.main-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.main-card:hover .main-card-media img{transform:scale(1.03)}
.card-tag{
  position:absolute;top:12px;right:12px;padding:5px 12px;border-radius:999px;
  background:var(--amber);color:#3A2700;font-size:12px;font-weight:700;letter-spacing:.3px;
  box-shadow:0 6px 14px rgba(255,176,32,.35);
}
.main-card-body{padding:18px 4px 4px}
.main-card-body h3{font-size:20px;line-height:1.5;font-weight:700;color:var(--t1)}
.main-card-meta{font-size:14px;color:var(--t3);margin-top:6px}
.benefit-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.benefit-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--t2)}
.benefit-list li svg{width:16px;height:16px;color:var(--neon);flex-shrink:0;margin-top:4px}
.benefit-list li b{color:var(--t1);font-weight:600}
.main-card-foot{
  display:flex;align-items:flex-end;justify-content:space-between;gap:12px;
  margin:18px 0 14px;padding-top:16px;border-top:1px dashed var(--line);
}
.stat-num{font-size:26px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-label{font-size:13px;color:var(--t3);margin-top:2px}
.card-badge{
  position:absolute;bottom:-14px;right:22px;background:var(--dark);color:#fff;font-size:12px;font-weight:600;
  padding:8px 14px;border-radius:999px;display:inline-flex;align-items:center;gap:6px;
  box-shadow:var(--glow);
}
.card-badge i{width:6px;height:6px;border-radius:50%;background:var(--neon);box-shadow:0 0 8px rgba(23,225,200,.9)}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0}
.section-soft{background:var(--soft)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px}
.section-head h2{font-size:28px;line-height:1.35;font-weight:700;letter-spacing:-.3px;color:var(--t1)}
.section-head p{font-size:15px;color:var(--t2);margin-top:8px;max-width:640px}
.section-head .accent{position:relative;padding-left:16px}
.section-head .accent::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--neon),var(--neon2));box-shadow:0 0 12px rgba(23,225,200,.4);
}

/* ---------- 商品网格卡 ---------- */
.grid-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.p-card{
  background:#fff;border-radius:var(--r-card);border:1px solid var(--line);overflow:hidden;
  box-shadow:var(--sh);transition:transform .25s ease,box-shadow .25s ease;display:flex;flex-direction:column;
}
.p-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.p-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:linear-gradient(135deg,#E8EFFB,#DCE7FF)}
.p-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.p-card:hover .p-media img{transform:scale(1.03)}
.p-cat{
  position:absolute;top:12px;left:12px;padding:4px 11px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--primary);font-size:12px;font-weight:700;
}
.p-score{
  position:absolute;bottom:12px;right:12px;padding:4px 10px;border-radius:999px;
  background:rgba(10,18,32,.82);color:#fff;font-size:12px;font-weight:600;display:inline-flex;align-items:center;gap:4px;
}
.p-score svg{width:12px;height:12px;color:var(--amber)}
.p-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.p-body h3{font-size:17px;line-height:1.5;font-weight:700;color:var(--t1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:51px}
.p-desc{font-size:13px;color:var(--t3);margin-top:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.p-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.p-num{font-size:22px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.2}
.p-num small{display:block;font-size:12px;font-weight:400;color:var(--t3);letter-spacing:.2px}
.p-btn{
  height:36px;padding:0 16px;border-radius:999px;background:var(--soft);color:var(--primary);
  font-size:13px;font-weight:700;transition:background .22s ease,box-shadow .22s ease,transform .22s ease;
}
.p-card:hover .p-btn{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(30,90,216,.28);transform:translateY(-1px)}

/* ---------- 评价轮播 ---------- */
.review-wrap{position:relative}
.review-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 18px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.review-track::-webkit-scrollbar{display:none}
.r-card{
  flex:0 0 344px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px 22px 20px 24px;box-shadow:var(--sh);position:relative;overflow:hidden;
}
.r-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--neon),var(--neon2));
}
.r-stars{display:flex;gap:3px;margin-bottom:12px}
.r-stars svg{width:15px;height:15px;color:var(--amber)}
.r-text{font-size:15px;line-height:1.75;color:var(--t2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;min-height:79px}
.r-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}
.r-user{font-size:14px;font-weight:600;color:var(--t1)}
.r-source{font-size:12px;color:var(--t3);background:var(--soft);padding:3px 10px;border-radius:999px}
.review-nav{display:flex;align-items:center;gap:10px}
.rv-btn{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--primary);
  display:grid;place-items:center;box-shadow:var(--sh);transition:background .2s ease,transform .2s ease,color .2s ease;
}
.rv-btn:hover{background:var(--primary);color:#fff;transform:translateY(-1px)}
.rv-btn svg{width:18px;height:18px}
.dots{display:flex;justify-content:center;gap:8px;margin-top:8px}
.dots button{width:8px;height:8px;border-radius:999px;background:#CBD6E6;transition:width .25s ease,background .25s ease}
.dots button.active{width:24px;background:var(--primary)}

/* ---------- 保障条 ---------- */
.guard{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh);overflow:hidden;
}
.guard-item{padding:26px 24px;display:flex;gap:14px;align-items:flex-start;border-right:1px solid var(--line)}
.guard-item:last-child{border-right:0}
.guard-item svg{width:28px;height:28px;color:var(--primary);flex-shrink:0}
.guard-item h3{font-size:15px;font-weight:700;color:var(--t1)}
.guard-item p{font-size:13px;color:var(--t3);margin-top:4px;line-height:1.6}

/* ---------- CTA 霓虹条 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;background:var(--dark);
  padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:40px;
  box-shadow:0 26px 60px rgba(8,16,30,.35);
}
.cta-band::before{
  content:"";position:absolute;inset:-40% -10% auto auto;width:70%;height:200%;
  background:linear-gradient(105deg,transparent,rgba(23,225,200,.14),rgba(138,123,255,.12),transparent);
  transform:rotate(-8deg);pointer-events:none;
}
.cta-band-inner{position:relative;z-index:2}
.cta-band h2{font-size:28px;line-height:1.35;font-weight:700;color:#fff}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin-top:10px;max-width:560px}
.cta-points{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:20px}
.cta-points span{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.86);font-size:14px}
.cta-points span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--neon);box-shadow:0 0 8px rgba(23,225,200,.9)}
.cta-band .btn-neon{position:relative;z-index:2;flex-shrink:0}

/* ---------- 最新信息 ---------- */
.news-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:26px;align-items:start}
.news-lead{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease;display:block;
}
.news-lead:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.news-lead-media{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#E8EFFB,#DCE7FF);display:grid;place-items:center}
.news-lead-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-lead:hover .news-lead-media img{transform:scale(1.03)}
.news-lead-body{padding:22px 24px 24px}
.news-lead-body h3{font-size:20px;line-height:1.5;font-weight:700;color:var(--t1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-lead-body p{font-size:14px;color:var(--t2);margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta-row{display:flex;align-items:center;gap:12px;margin-top:16px;font-size:13px;color:var(--t3);flex-wrap:wrap}
.chip{background:var(--soft);color:var(--primary);padding:3px 11px;border-radius:999px;font-size:12px;font-weight:600}
.chip-amber{background:rgba(255,176,32,.14);color:#8A5A00}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;
  box-shadow:var(--sh);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:var(--primary-l)}
.news-thumb{
  width:112px;height:84px;border-radius:var(--r-img);overflow:hidden;flex-shrink:0;
  background:linear-gradient(135deg,#E8EFFB,#DCE7FF);display:grid;place-items:center;
}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{min-width:0;display:flex;flex-direction:column;justify-content:space-between}
.news-body h3{font-size:16px;line-height:1.5;font-weight:700;color:var(--t1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:13px;color:var(--t3);margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:12px;color:var(--t3)}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:64px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px;
}
.empty-state svg{width:42px;height:42px;color:var(--primary-l)}
.empty-state p{color:var(--t2);font-size:15px}
.ph-icon{width:38px;height:38px;color:rgba(30,90,216,.35)}

/* ---------- FAQ ---------- */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh)}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item:last-child{border-bottom:0}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--neon);
  opacity:0;transition:opacity .25s ease;box-shadow:0 0 14px rgba(23,225,200,.5);
}
.faq-item[open]::before{opacity:1}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:17px;font-weight:600;color:var(--t1);transition:color .2s ease,background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary);background:#FBFCFE}
.faq-item summary .chev{width:18px;height:18px;color:var(--t3);flex-shrink:0;transition:transform .25s ease,color .25s ease}
.faq-item[open] summary .chev{transform:rotate(90deg);color:var(--primary)}
.faq-answer{padding:0 26px 22px;color:var(--t2);font-size:15px;line-height:1.8;max-width:920px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);color:rgba(255,255,255,.72);margin-top:0;padding-top:2px;
  background-image:linear-gradient(var(--dark),var(--dark)),linear-gradient(90deg,var(--neon),var(--neon2));
  background-origin:border-box;background-clip:padding-box,border-box;
}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 44px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:320px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.3px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease}
.footer-col a:hover{color:var(--neon)}
.footer-col p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.9}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .split{display:flex;gap:18px;flex-wrap:wrap}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .grid-cards{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .hero h1{font-size:38px}
  .hero{padding:56px 0 64px}
  .section{padding:64px 0}
  .grid-cards{grid-template-columns:repeat(2,1fr)}
  .guard{grid-template-columns:repeat(2,1fr)}
  .guard-item{border-right:0;border-bottom:1px solid var(--line)}
  .guard-item:nth-child(odd){border-right:1px solid var(--line)}
  .guard-item:nth-child(3),.guard-item:nth-child(4){border-bottom:0}
  .news-layout{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;gap:26px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 36px}
}
@media (max-width:991px){
  .nav-menu{display:none}
  .burger{display:flex}
  .nav-actions .btn{display:none}
  .review-nav{display:none}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .hero{padding:44px 0 52px}
  .hero h1{font-size:29px;margin:18px 0 12px}
  .hero-sub{font-size:15px}
  .hero-cta .btn{width:100%}
  .hero-cta{gap:10px}
  .trust-row{gap:10px 18px;margin-top:24px}
  .section{padding:46px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .section-head h2{font-size:22px}
  .grid-cards{grid-template-columns:1fr;gap:18px}
  .r-card{flex:0 0 278px}
  .guard{grid-template-columns:1fr}
  .guard-item{border-right:0 !important;border-bottom:1px solid var(--line)}
  .guard-item:last-child{border-bottom:0}
  .cta-band{padding:32px 22px;border-radius:16px}
  .cta-band h2{font-size:22px}
  .cta-band .btn{width:100%}
  .news-item{flex-direction:column;gap:12px}
  .news-thumb{width:100%;height:150px}
  .faq-item summary{padding:18px 18px;font-size:15.5px}
  .faq-answer{padding:0 18px 18px;font-size:14.5px}
  .footer-top{grid-template-columns:1fr;gap:28px;padding:44px 0 30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .drawer{width:82%}
}
@media (max-width:520px){
  .hero h1{font-size:26px}
  .logo-text{font-size:15px}
  .main-card{padding:14px}
  .main-card-body h3{font-size:18px}
  .stat-num{font-size:22px}
}

/* roulang page: article */
:root{
  --bg:#F5F8FC;
  --surface:#FFFFFF;
  --surface-soft:#EEF3FF;
  --brand:#1E5AD8;
  --brand-hover:#1748B0;
  --brand-soft:#DCE7FF;
  --neon:#17E1C8;
  --violet:#8A7BFF;
  --amber:#FFB020;
  --dark:#0A1220;
  --dark-2:#111C2E;
  --text:#0E1A2B;
  --text-2:#43526A;
  --text-3:#7A8798;
  --line:#E3E9F2;
  --danger:#E5484D;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 6px 20px rgba(16,32,64,.06);
  --sh-hover:0 14px 32px rgba(16,32,64,.12);
  --sh-neon:0 0 0 1px rgba(23,225,200,.35),0 0 24px rgba(23,225,200,.22);
  --sp-section:80px;
  --ease:.25s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;}

/* ============ header / nav ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--dark);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.site-header::before{
  content:"";display:block;height:2px;
  background:linear-gradient(90deg,var(--neon),var(--violet));
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:68px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;letter-spacing:.2px;}
.logo-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:9px;
  display:grid;place-items:center;
  font-size:16px;font-weight:700;color:#062018;
  background:linear-gradient(135deg,var(--neon),var(--violet));
  box-shadow:var(--sh-neon);
}
.logo-text{display:inline-flex;align-items:center;white-space:nowrap;}
.logo-text .dot{
  width:7px;height:7px;border-radius:50%;background:var(--neon);
  margin-left:6px;box-shadow:0 0 10px var(--neon);animation:pulse 2.4s infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.55;transform:scale(.82);}}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 14px;border-radius:8px;
  font-size:15px;color:rgba(255,255,255,.78);
  transition:color var(--ease),background var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--neon);opacity:0;
  box-shadow:0 0 6px var(--neon);
  transition:opacity var(--ease);
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{opacity:1;}
.nav-link.active{color:#fff;background:rgba(23,225,200,.10);}
.nav-link.active::after{opacity:1;}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--r-btn);
  background:var(--neon);color:#062018;
  font-weight:700;font-size:15px;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.nav-cta:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 20px rgba(23,225,200,.45);}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid rgba(255,255,255,.16);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;transition:transform var(--ease),opacity var(--ease);}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:14px 0;font-size:14px;color:var(--text-3);
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C3CCDA;}
.crumb .current{color:var(--text);font-weight:500;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头部 ============ */
.article-head{padding:44px 0 0;}
.article-shell{max-width:820px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;
  background:var(--brand-soft);color:var(--brand-hover);
}
.pill-neon{
  background:rgba(23,225,200,.12);color:#0B7A6B;
  border:1px solid rgba(23,225,200,.45);
}
.article-head h1{
  margin-top:16px;
  font-size:42px;line-height:1.25;font-weight:700;letter-spacing:-.4px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:20px;padding-bottom:20px;border-bottom:1px solid var(--line);
  font-size:14px;color:var(--text-3);
}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-row svg{width:16px;height:16px;stroke:var(--text-3);fill:none;stroke-width:1.8;}
.share-group{margin-left:auto;display:flex;align-items:center;gap:8px;}
.share-group span{font-size:13px;color:var(--text-3);}
.share-btn{
  padding:6px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface);
  font-size:13px;color:var(--text-2);
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.share-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--surface-soft);}

/* ============ 正文布局 ============ */
.article-body{padding:40px 0 var(--sp-section);}
.reading-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 260px;
  gap:48px;align-items:start;
}
.article-content{
  max-width:820px;
  font-size:16px;line-height:1.8;color:var(--text-2);
  word-break:break-word;
}
.article-content p{margin:0 0 1.2em;}
.article-content h2{
  position:relative;
  margin:2em 0 .8em;padding-left:14px;
  font-size:22px;line-height:1.5;font-weight:700;color:var(--text);
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1.05em;
  border-radius:3px;background:linear-gradient(180deg,var(--neon),var(--brand));
}
.article-content h3{
  margin:1.6em 0 .6em;
  font-size:18px;line-height:1.55;font-weight:700;color:var(--text);
}
.article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:22px;}
.article-content ul li{list-style:disc;line-height:1.9;margin-bottom:.35em;}
.article-content ol li{list-style:decimal;line-height:1.9;margin-bottom:.35em;}
.article-content blockquote{
  margin:1.6em 0;padding:16px 20px;
  background:var(--surface-soft);border-left:4px solid var(--brand);
  border-radius:0 var(--r-img) var(--r-img) 0;color:var(--text-2);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:var(--r-img);margin:1.6em auto;}
.article-content figure{margin:1.6em 0;}
.article-content figcaption{text-align:center;font-size:13px;color:var(--text-3);margin-top:10px;}
.article-content table{
  width:100%;border-collapse:collapse;margin:1.6em 0;
  font-size:15px;border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;
}
.article-content th,.article-content td{padding:11px 14px;border:1px solid var(--line);text-align:left;}
.article-content th{background:var(--surface-soft);font-weight:600;color:var(--text);}
.article-content tbody tr:nth-child(even){background:#FAFCFF;}
.article-content a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-content a:hover{color:var(--brand-hover);}
.article-content code{
  background:var(--surface-soft);padding:2px 6px;border-radius:5px;
  font-size:14px;color:var(--brand-hover);
}

/* 侧栏目录 */
.side-toc{
  position:sticky;top:96px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-card);
  padding:20px 22px;
}
.side-toc h3{
  font-size:15px;font-weight:700;color:var(--text);
  padding-bottom:12px;margin-bottom:12px;border-bottom:1px solid var(--line);
}
.side-toc ol{counter-reset:toc;}
.side-toc li{counter-increment:toc;margin-bottom:10px;}
.side-toc li a{
  display:flex;gap:8px;font-size:14px;line-height:1.6;color:var(--text-2);
}
.side-toc li a::before{
  content:counter(toc,decimal-leading-zero);
  color:var(--brand);font-weight:600;font-size:13px;flex:0 0 auto;
}
.side-toc li a:hover{color:var(--brand);}
.side-note{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;line-height:1.7;color:var(--text-3);
}

/* 空态 */
.empty-state{
  text-align:center;padding:64px 24px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);
}
.empty-state svg{width:52px;height:52px;margin:0 auto 16px;stroke:var(--brand);fill:none;stroke-width:1.5;}
.empty-state h2{font-size:20px;font-weight:700;color:var(--text);margin-bottom:8px;}
.empty-state p{color:var(--text-3);font-size:15px;margin-bottom:20px;}
.empty-state .btn-primary{margin:0 auto;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),filter var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(30,90,216,.24);}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:0 10px 24px rgba(30,90,216,.32);}
.btn-neon{background:var(--neon);color:#062018;}
.btn-neon:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 24px rgba(23,225,200,.5);}
.btn-ghost{background:var(--surface);color:var(--brand);border:1px solid var(--brand);}
.btn-ghost:hover{background:var(--surface-soft);transform:translateY(-1px);}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 相关推荐 ============ */
.related{padding:0 0 var(--sp-section);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:28px;
}
.section-head h2{font-size:28px;line-height:1.35;font-weight:700;}
.section-head p{font-size:14px;color:var(--text-3);margin-top:6px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand);
}
.link-arrow:hover{color:var(--brand-hover);gap:10px;}
.card-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--brand-soft);}
.card-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--surface-soft);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.card:hover .card-media img{transform:scale(1.03);}
.card-tag{
  position:absolute;top:12px;left:12px;
  padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(10,18,32,.72);color:#EAF7F5;font-size:12px;backdrop-filter:blur(4px);
}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17px;line-height:1.5;font-weight:600;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card:hover .card-body h3{color:var(--brand);}
.card-body p{font-size:13px;line-height:1.7;color:var(--text-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.stars{display:inline-flex;gap:2px;color:var(--amber);font-size:13px;letter-spacing:1px;}

/* ============ 上/下一篇 ============ */
.post-nav{padding:0 0 var(--sp-section);}
.post-nav-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
}
.post-link{
  display:flex;flex-direction:column;gap:6px;
  padding:20px 22px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-link:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--brand-soft);}
.post-link span{font-size:13px;color:var(--text-3);}
.post-link strong{font-size:16px;font-weight:600;color:var(--text);line-height:1.5;}
.post-link:hover strong{color:var(--brand);}
.post-link.disabled{opacity:.55;pointer-events:none;}
.back-bar{margin-top:24px;text-align:center;}

/* ============ 文章内 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  margin:0 auto var(--sp-section);
  max-width:1100px;
  padding:56px 40px;
  border-radius:20px;
  background:var(--dark);
  color:#fff;
  box-shadow:var(--sh-neon);
}
.cta-band::after{
  content:"";position:absolute;inset:-40% -10% auto auto;width:60%;height:200%;
  background:linear-gradient(115deg,rgba(23,225,200,.16),rgba(138,123,255,.12) 55%,transparent);
  transform:rotate(8deg);pointer-events:none;
}
.cta-flex{position:relative;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-flex h2{font-size:28px;line-height:1.35;font-weight:700;}
.cta-flex p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.72);max-width:560px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.cta-points span{
  padding:5px 13px;border-radius:var(--r-pill);font-size:13px;
  color:#BFF6EE;border:1px solid rgba(23,225,200,.35);background:rgba(23,225,200,.08);
}
.cta-band .btn-neon{padding:15px 34px;font-size:16px;border-radius:12px;}

/* ============ FAQ（文章页底部） ============ */
.faq-block{padding:0 0 var(--sp-section);}
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  background:none;transition:background var(--ease),color var(--ease);
}
.faq-q:hover{background:#FAFCFF;color:var(--brand);}
.faq-item.open .faq-q{border-left:4px solid var(--neon);color:var(--brand);}
.faq-icon{
  flex:0 0 auto;width:20px;height:20px;
  transition:transform var(--ease);color:var(--brand);
}
.faq-item.open .faq-icon{transform:rotate(90deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--text-2);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);color:rgba(255,255,255,.72);
  position:relative;
}
.site-footer::before{
  content:"";display:block;height:2px;
  background:linear-gradient(90deg,var(--neon),var(--violet));
}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;padding:56px 0 40px;
}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:320px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col ul li a:hover{color:var(--neon);}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 32px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .split{display:flex;gap:18px;flex-wrap:wrap;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .card-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:1199px){
  .reading-layout{grid-template-columns:minmax(0,1fr) 230px;gap:34px;}
}
@media (max-width:1023px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .nav-menu{
    position:fixed;top:70px;right:0;bottom:0;width:270px;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:18px 16px;
    background:var(--dark-2);
    border-left:1px solid rgba(255,255,255,.08);
    transform:translateX(102%);
    transition:transform .3s ease;
    overflow-y:auto;
    box-shadow:-16px 0 40px rgba(0,0,0,.35);
  }
  .nav-menu.open{transform:translateX(0);}
  .nav-link{padding:13px 14px;font-size:16px;border-radius:10px;}
  .nav-link::after{display:none;}
  .nav-toggle{display:flex;}
  .nav-right .nav-cta{display:none;}
  .nav-wrap{min-height:58px;}
  .article-head h1{font-size:32px;}
  .reading-layout{grid-template-columns:minmax(0,1fr);}
  .side-toc{position:static;margin-top:32px;}
  .cta-band{padding:44px 28px;border-radius:16px;}
}
@media (max-width:767px){
  :root{--sp-section:44px;}
  .container{padding:0 16px;}
  .article-head{padding:28px 0 0;}
  .article-head h1{font-size:28px;line-height:1.3;}
  .meta-row{gap:10px;font-size:13px;}
  .share-group{margin-left:0;width:100%;justify-content:flex-start;}
  .article-body{padding-top:28px;}
  .article-content h2{font-size:20px;}
  .article-content h3{font-size:17px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .section-head h2{font-size:23px;}
  .card-grid{grid-template-columns:1fr;}
  .post-nav-inner{grid-template-columns:1fr;}
  .cta-flex h2{font-size:23px;}
  .cta-band .btn-neon{width:100%;}
  .footer-top{grid-template-columns:1fr;gap:28px;padding:40px 0 28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .crumb .current{max-width:220px;}
}
@media (max-width:520px){
  .article-head h1{font-size:26px;}
  .pill{font-size:12px;}
  .cta-band{padding:32px 20px;}
  .faq-q{padding:16px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px;}
  .article-content table{font-size:14px;}
}

/* roulang page: category1 */
:root{
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --soft:#EEF3FF;
  --primary:#1E5AD8;
  --primary-hover:#1748B0;
  --primary-soft:#DCE7FF;
  --neon:#17E1C8;
  --violet:#8A7BFF;
  --amber:#FFB020;
  --dark:#0A1220;
  --dark-2:#111C2E;
  --text:#0E1A2B;
  --text-2:#43526A;
  --text-3:#7A8798;
  --border:#E3E9F2;
  --error:#E5484D;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 6px 20px rgba(16,32,64,.06);
  --sh-hover:0 14px 32px rgba(16,32,64,.12);
  --glow:0 0 0 1px rgba(23,225,200,.35), 0 0 24px rgba(23,225,200,.22);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-hover);}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:6px;}
.container{max-width:var(--container);margin:0 auto;padding:0 32px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--dark);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.site-header::before{
  content:"";position:absolute;inset:0 0 auto 0;height:2px;
  background:linear-gradient(90deg,var(--neon),var(--violet));
}
.header-inner{
  display:flex;align-items:center;gap:28px;height:68px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--neon),var(--violet));
  color:#06121F;font-weight:800;font-size:18px;
  box-shadow:var(--glow);
}
.logo-text{
  position:relative;color:#fff;font-weight:700;font-size:18px;letter-spacing:.4px;
  white-space:nowrap;
}
.logo-text .dot{
  display:inline-block;width:7px;height:7px;border-radius:50%;
  background:var(--neon);margin-left:7px;vertical-align:middle;
  box-shadow:0 0 10px rgba(23,225,200,.9);
}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;display:block;padding:10px 14px;border-radius:10px;
  color:rgba(255,255,255,.78);font-size:15px;font-weight:500;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--neon);border-radius:2px;
  opacity:0;transform:scaleX(.4);transition:opacity .2s ease,transform .2s ease;
  box-shadow:0 0 6px rgba(23,225,200,.85);
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{opacity:1;transform:scaleX(1);}
.nav-link.active{
  color:#fff;background:rgba(23,225,200,.10);
}
.nav-link.active::after{opacity:1;transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;font-size:15px;
  padding:12px 22px;line-height:1.2;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none!important;}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-neon{
  background:var(--neon);color:#06121F;
  box-shadow:0 0 0 1px rgba(23,225,200,.35),0 0 18px rgba(23,225,200,.18);
}
.btn-neon:hover{background:#31EBD4;color:#06121F;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(23,225,200,.5),0 0 28px rgba(23,225,200,.35);}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(30,90,216,.28);}
.btn-ghost{
  background:#fff;color:var(--primary);border:1px solid var(--primary);
}
.btn-ghost:hover{background:var(--soft);color:var(--primary-hover);border-color:var(--primary-hover);transform:translateY(-1px);}
.btn-lg{padding:16px 30px;font-size:16px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid rgba(255,255,255,.16);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-drawer{
  display:none;position:absolute;top:100%;right:0;left:0;
  background:var(--dark-2);border-bottom:1px solid rgba(255,255,255,.08);
  padding:14px 24px 22px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .nav-link{margin:4px 0;padding:13px 14px;font-size:16px;}
.mobile-drawer .btn{width:100%;margin-top:12px;}

/* ---------- 页头条 ---------- */
.page-band{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--soft) 100%);
  border-bottom:1px solid var(--border);
}
.page-band::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(30,90,216,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(30,90,216,.045) 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.page-band::after{
  content:"";position:absolute;top:-140px;right:-120px;width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(23,225,200,.20),rgba(138,123,255,.12) 45%,transparent 70%);
  pointer-events:none;
}
.page-band .container{position:relative;z-index:1;padding-top:52px;padding-bottom:52px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:20px;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--text);font-weight:600;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:var(--r-pill);
  border:1px solid rgba(30,90,216,.28);
  background:rgba(255,255,255,.7);
  color:var(--primary);font-size:13px;font-weight:600;letter-spacing:.6px;
  margin-bottom:18px;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--neon);box-shadow:0 0 8px rgba(23,225,200,.9);display:inline-block;}
.page-band h1{
  font-size:42px;line-height:1.25;letter-spacing:-.5px;max-width:900px;
}
.page-band h1 em{font-style:normal;color:var(--primary);}
.lead{
  margin-top:18px;max-width:820px;font-size:16.5px;color:var(--text-2);
}
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;align-items:center;}
.filter-row .label{font-size:13px;color:var(--text-3);margin-right:4px;}
.filter-chip{
  display:inline-flex;align-items:center;
  padding:8px 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--border);
  color:var(--text-2);font-size:14px;font-weight:500;
  transition:border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.filter-chip:hover{border-color:var(--primary);color:var(--primary);}
.filter-chip.is-active{
  background:var(--primary);border-color:var(--primary);color:#fff;
  box-shadow:0 8px 20px rgba(30,90,216,.22);
}

/* ---------- 主体布局 ---------- */
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.cat-layout{display:grid;grid-template-columns:268px minmax(0,1fr);gap:32px;align-items:start;}
.aside-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:22px;
}
.aside-sticky{position:sticky;top:92px;display:flex;flex-direction:column;gap:20px;}
.aside-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:9px;}
.aside-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--neon);box-shadow:0 0 8px rgba(23,225,200,.6);}
.aside-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--text-2);padding:8px 0;line-height:1.7;
  border-bottom:1px dashed var(--border);
}
.aside-list li:last-child{border-bottom:none;}
.aside-list li b{color:var(--text);font-weight:600;}
.aside-list .tick{
  flex-shrink:0;width:18px;height:18px;border-radius:50%;margin-top:3px;
  background:var(--primary-soft);color:var(--primary);
  font-size:11px;display:grid;place-items:center;font-weight:700;
}
.anchor-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 12px;border-radius:10px;font-size:14px;color:var(--text-2);
  transition:background .2s ease,color .2s ease;
}
.anchor-nav a:hover{background:var(--soft);color:var(--primary);}
.anchor-nav a .arrow{color:var(--text-3);font-size:13px;}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.stat-item{
  background:var(--soft);border-radius:12px;padding:14px 12px;text-align:center;
}
.stat-item .num{
  display:block;font-size:24px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-item .cap{font-size:13px;color:var(--text-2);}

.main-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;}
.main-head h2{font-size:28px;line-height:1.35;}
.main-head .sub{margin-top:8px;font-size:14px;color:var(--text-3);}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary);
}
.link-more:hover{gap:10px;color:var(--primary-hover);}
.link-more span{transition:transform .2s ease;display:inline-block;}

/* ---------- 条目卡片 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.entry-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#D3DEF3;}
.entry-media{position:relative;overflow:hidden;background:var(--soft);aspect-ratio:4/3;}
.entry-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease;}
.entry-card:hover .entry-media img{transform:scale(1.03);}
.badge-cat{
  position:absolute;top:12px;left:12px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(10,18,32,.78);color:#fff;font-size:12px;font-weight:600;
  backdrop-filter:blur(4px);
}
.rating{
  position:absolute;right:12px;bottom:12px;
  display:inline-flex;align-items:center;gap:5px;
  padding:5px 11px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);color:var(--text);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.rating .star{color:var(--amber);font-size:13px;}
.entry-body{padding:20px;display:flex;flex-direction:column;flex:1;gap:10px;}
.entry-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.entry-body .desc{
  font-size:13.5px;color:var(--text-3);line-height:1.65;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:12px;padding:4px 10px;border-radius:var(--r-pill);
  background:var(--soft);color:var(--primary);border:1px solid rgba(30,90,216,.14);
}
.tag.tag-amber{background:rgba(255,176,32,.12);color:#9A6600;border-color:rgba(255,176,32,.3);}
.entry-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--border);
}
.entry-foot .val{font-size:14px;color:var(--text-2);}
.entry-foot .val b{font-size:20px;color:var(--primary);font-variant-numeric:tabular-nums;}

/* ---------- 深色 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;
  background:var(--dark);color:#fff;padding:64px 48px;
  box-shadow:0 24px 60px rgba(10,18,32,.28);
}
.cta-band::before{
  content:"";position:absolute;inset:0 0 auto 0;height:2px;
  background:linear-gradient(90deg,transparent,var(--neon),var(--violet),transparent);
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
  opacity:.14;mix-blend-mode:screen;pointer-events:none;
}
.cta-inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;}
.cta-copy{max-width:640px;}
.cta-copy h2{color:#fff;font-size:28px;line-height:1.4;}
.cta-copy p{margin-top:14px;color:rgba(255,255,255,.72);font-size:15px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.cta-points span{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:var(--r-pill);
  border:1px solid rgba(23,225,200,.35);color:#CFFCF5;font-size:13.5px;
  background:rgba(23,225,200,.07);
}
.cta-points span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--neon);box-shadow:0 0 8px rgba(23,225,200,.9);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-card);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#D3DEF3;box-shadow:var(--sh-hover);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 22px 20px 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--text);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:0 3px 3px 0;
  background:var(--neon);opacity:0;transition:opacity .2s ease;
  box-shadow:0 0 10px rgba(23,225,200,.6);
}
.faq-item[open] summary::before{opacity:1;}
.faq-item summary .chev{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  background:var(--soft);color:var(--primary);
  display:grid;place-items:center;font-size:13px;
  transition:transform .25s ease,background .2s ease;
}
.faq-item[open] summary .chev{transform:rotate(90deg);background:var(--primary);color:#fff;}
.faq-item .answer{
  padding:0 22px 22px 26px;font-size:15px;color:var(--text-2);line-height:1.85;
  border-top:1px solid var(--border);
  padding-top:18px;
}

/* ---------- 保障条 ---------- */
.guard-bar{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;
}
.guard-item{
  padding:24px 22px;border-right:1px solid var(--border);
  display:flex;flex-direction:column;gap:8px;
}
.guard-item:last-child{border-right:none;}
.guard-item .ico{width:28px;height:28px;color:var(--primary);}
.guard-item b{font-size:15px;}
.guard-item span{font-size:13px;color:var(--text-3);line-height:1.6;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:var(--dark);color:rgba(255,255,255,.72);
  padding:64px 0 28px;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;inset:0 0 auto 0;height:2px;
  background:linear-gradient(90deg,var(--neon),var(--violet));
}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px;}
.footer-col h4{
  color:#fff;font-size:15px;margin-bottom:16px;font-weight:700;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{color:rgba(255,255,255,.7);font-size:14px;}
.footer-col ul li a:hover{color:var(--neon);}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);}
.footer-bottom{
  padding-top:24px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .split{display:flex;flex-wrap:wrap;gap:18px;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .entry-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
  .page-band h1{font-size:38px;}
}
@media (max-width:1100px){
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cat-layout{grid-template-columns:236px minmax(0,1fr);gap:24px;}
}
@media (max-width:992px){
  .nav-menu{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn-neon{display:none;}
  .header-inner{gap:14px;height:60px;}
  .logo-text{font-size:16px;}
  .cat-layout{grid-template-columns:1fr;}
  .aside-sticky{position:static;flex-direction:row;flex-wrap:wrap;}
  .aside-sticky .aside-card{flex:1 1 260px;}
  .section{padding:56px 0;}
  .cta-band{padding:48px 30px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .container{padding:0 24px;}
  .page-band .container{padding-top:38px;padding-bottom:38px;}
  .page-band h1{font-size:30px;}
  .lead{font-size:15.5px;}
  .section{padding:44px 0;}
  .section-tight{padding:38px 0;}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .guard-bar{grid-template-columns:1fr 1fr;}
  .guard-item{border-right:none;border-bottom:1px solid var(--border);}
  .guard-item:nth-child(2n){border-right:none;}
  .guard-item:nth-child(odd){border-right:1px solid var(--border);}
  .guard-item:nth-last-child(-n+2){border-bottom:none;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:40px 24px;border-radius:16px;}
  .cta-copy h2{font-size:23px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .page-band h1{font-size:26px;line-height:1.3;}
  .main-head h2{font-size:22px;}
  .entry-grid{grid-template-columns:1fr;}
  .aside-sticky{flex-direction:column;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .footer-top{grid-template-columns:1fr;}
  .btn{width:100%;}
  .header-actions .btn{width:auto;}
  .filter-row{gap:8px;}
  .filter-chip{padding:7px 14px;font-size:13px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --bg:#F5F8FC;
  --surface:#FFFFFF;
  --surface-2:#EEF3FF;
  --primary:#1E5AD8;
  --primary-hover:#1748B0;
  --primary-soft:#DCE7FF;
  --neon-cyan:#17E1C8;
  --neon-purple:#8A7BFF;
  --amber:#FFB020;
  --dark:#0A1220;
  --dark-2:#111C2E;
  --text:#0E1A2B;
  --text-mid:#43526A;
  --text-weak:#7A8798;
  --border:#E3E9F2;
  --danger:#E5484D;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-card:0 6px 20px rgba(16,32,64,.06);
  --shadow-hover:0 14px 32px rgba(16,32,64,.12);
  --glow:0 0 0 1px rgba(23,225,200,.35), 0 0 24px rgba(23,225,200,.22);
  --font:"-apple-system","BlinkMacSystemFont","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:44px;line-height:1.25;font-weight:700;letter-spacing:-.5px;}
h2{font-size:28px;line-height:1.35;font-weight:700;}
h3{font-size:20px;line-height:1.5;font-weight:700;}
p{color:var(--text-mid);}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--neon-cyan);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:80px 0;}
.section-tight{padding:56px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(30,90,216,.28);
  background:rgba(220,231,255,.55);
  color:var(--primary);
  font-size:13px;font-weight:600;letter-spacing:.4px;
}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head p{max-width:620px;margin-top:10px;font-size:15px;}
.head-line{width:44px;height:4px;border-radius:999px;background:linear-gradient(90deg,var(--neon-cyan),var(--neon-purple));margin-bottom:16px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--dark);
  box-shadow:0 6px 24px rgba(6,14,28,.35);
}
.site-header::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--neon-cyan),var(--neon-purple));
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:68px;
}
.logo{display:inline-flex;align-items:center;gap:10px;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--neon-cyan),var(--neon-purple));
  color:#05121c;font-weight:800;font-size:18px;
  box-shadow:0 0 18px rgba(23,225,200,.35);
}
.logo-text{
  position:relative;
  color:#fff;font-weight:700;font-size:18px;letter-spacing:.3px;
  display:inline-flex;align-items:center;gap:6px;
}
.logo-text .dot{
  width:7px;height:7px;border-radius:999px;background:var(--neon-cyan);
  box-shadow:0 0 10px rgba(23,225,200,.9);
  display:inline-block;
}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  padding:10px 16px;border-radius:8px;
  color:rgba(255,255,255,.78);
  font-size:15px;font-weight:500;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:999px;background:linear-gradient(90deg,var(--neon-cyan),var(--neon-purple));
  opacity:0;transition:opacity .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05);}
.nav-link:hover::after{opacity:1;box-shadow:0 0 6px rgba(23,225,200,.85);}
.nav-link.active{
  color:#fff;background:rgba(23,225,200,.10);
}
.nav-link.active::after{opacity:1;box-shadow:0 0 6px rgba(23,225,200,.85);}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:var(--radius-btn);
  background:var(--neon-cyan);color:#062028;
  font-size:15px;font-weight:700;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.header-cta:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:var(--glow);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  color:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-mask{
  display:none;position:fixed;inset:0;background:rgba(6,14,28,.55);z-index:59;
}
body.nav-open .nav-mask{display:block;}

/* ============ 宽幅横幅 ============ */
.page-banner{
  position:relative;
  min-height:300px;
  display:flex;align-items:center;
  background-color:#0A1220;
  background-image:linear-gradient(100deg,rgba(10,18,32,.94) 0%,rgba(10,18,32,.78) 46%,rgba(10,18,32,.42) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;right:-80px;top:-60px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,225,200,.28),rgba(138,123,255,.14) 55%,transparent 72%);
  pointer-events:none;
}
.banner-inner{position:relative;z-index:2;padding:56px 0;max-width:720px;}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb a{color:rgba(255,255,255,.78);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--neon-cyan);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:#fff;}
.page-banner h1{color:#fff;margin-bottom:16px;text-shadow:0 4px 24px rgba(0,0,0,.35);}
.page-banner .banner-sub{color:rgba(255,255,255,.82);font-size:16px;line-height:1.8;margin-bottom:26px;}
.banner-actions{display:flex;gap:14px;flex-wrap:wrap;}
.banner-stats{display:flex;gap:36px;margin-top:32px;flex-wrap:wrap;}
.banner-stats .stat-num{
  font-size:26px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;
  display:block;line-height:1.2;
}
.banner-stats .stat-label{font-size:13px;color:rgba(255,255,255,.62);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 12px 26px rgba(30,90,216,.28);}
.btn-neon{background:var(--neon-cyan);color:#062028;font-weight:700;}
.btn-neon:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:var(--glow);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.34);}
.btn-ghost:hover{background:rgba(255,255,255,.10);transform:translateY(-1px);}
.btn-outline{background:#fff;color:var(--primary);border:1px solid rgba(30,90,216,.42);}
.btn-outline:hover{background:var(--surface-2);transform:translateY(-1px);}
.btn-lg{padding:16px 34px;font-size:16px;}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 错位图文行 ============ */
.zigzag{display:flex;flex-direction:column;gap:32px;}
.zig-row{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:28px;
  box-shadow:var(--shadow-card);
  transition:box-shadow .25s ease,transform .25s ease;
}
.zig-row:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.zig-row.reverse .zig-media{order:2;}
.zig-media{position:relative;border-radius:var(--radius-img);overflow:hidden;}
.zig-media img{width:100%;height:260px;object-fit:cover;border-radius:var(--radius-img);transition:transform .35s ease;}
.zig-row:hover .zig-media img{transform:scale(1.04);}
.zig-media .media-tag{
  position:absolute;left:14px;top:14px;
  padding:5px 12px;border-radius:999px;
  background:rgba(10,18,32,.72);color:var(--neon-cyan);
  font-size:12px;font-weight:600;letter-spacing:.4px;
  backdrop-filter:blur(4px);
}
.zig-body h3{margin-bottom:12px;}
.zig-body p{margin-bottom:14px;font-size:15px;}
.zig-list{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
.zig-list li{
  position:relative;padding-left:20px;font-size:14px;color:var(--text-mid);line-height:1.8;
}
.zig-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:3px;
  background:linear-gradient(135deg,var(--neon-cyan),var(--neon-purple));
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;font-size:15px;
  transition:color .2s ease,gap .2s ease;
}
.text-link:hover{color:var(--primary-hover);gap:10px;}

/* ============ 条目卡片（2 列） ============ */
.card-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.entry-card{
  display:flex;gap:20px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(30,90,216,.28);}
.entry-thumb{
  flex:0 0 148px;width:148px;height:118px;border-radius:var(--radius-img);
  overflow:hidden;background:var(--surface-2);
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.entry-card:hover .entry-thumb img{transform:scale(1.05);}
.entry-body{flex:1;min-width:0;display:flex;flex-direction:column;}
.entry-tags{display:flex;gap:8px;margin-bottom:10px;flex-wrap:wrap;}
.tag{
  padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;
  background:var(--surface-2);color:var(--primary);border:1px solid rgba(30,90,216,.16);
}
.tag.amber{background:rgba(255,176,32,.14);color:#8a5b00;border-color:rgba(255,176,32,.35);}
.tag.dark{background:rgba(23,225,200,.12);color:#0b6b60;border-color:rgba(23,225,200,.35);}
.entry-body h3{font-size:17px;line-height:1.5;margin-bottom:8px;}
.entry-body p{font-size:14px;line-height:1.7;margin-bottom:14px;}
.entry-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.entry-foot .num{font-size:15px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums;}
.entry-foot .num small{font-size:12px;color:var(--text-weak);font-weight:500;margin-left:4px;}

/* ============ 办理保障条 ============ */
.assure-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.assure-item{display:flex;gap:14px;padding:24px;border-right:1px solid var(--border);}
.assure-item:last-child{border-right:none;}
.assure-icon{
  flex:0 0 28px;width:28px;height:28px;color:var(--primary);
}
.assure-icon svg{width:28px;height:28px;display:block;}
.assure-item h4{font-size:15px;font-weight:700;margin-bottom:4px;}
.assure-item p{font-size:13px;line-height:1.6;}

/* ============ FAQ ============ */
.faq-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--text);
  cursor:pointer;list-style:none;
  transition:background .2s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--surface-2);}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--neon-cyan),var(--neon-purple));
  opacity:0;transition:opacity .2s ease;
}
.faq-item[open] summary::before{opacity:1;}
.faq-item[open] summary{color:var(--primary);background:rgba(238,243,255,.6);}
.faq-arrow{
  flex:0 0 auto;width:22px;height:22px;color:var(--text-weak);
  transition:transform .25s ease,color .25s ease;
}
.faq-item[open] .faq-arrow{transform:rotate(90deg);color:var(--neon-cyan);}
.faq-answer{padding:0 24px 22px 24px;font-size:15px;line-height:1.8;color:var(--text-mid);}

/* ============ CTA 深色霓虹条 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--dark);
  border-radius:20px;
  padding:64px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  box-shadow:0 18px 48px rgba(6,14,28,.32);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(23,225,200,.16) 0%,transparent 42%,rgba(138,123,255,.18) 100%);
  pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--neon-cyan),var(--neon-purple));
}
.cta-left{position:relative;z-index:2;max-width:640px;}
.cta-left h2{color:#fff;margin-bottom:12px;}
.cta-left p{color:rgba(255,255,255,.72);font-size:15px;margin-bottom:18px;}
.cta-points{display:flex;gap:22px;flex-wrap:wrap;}
.cta-points span{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:rgba(255,255,255,.86);
}
.cta-points span::before{
  content:"";width:7px;height:7px;border-radius:999px;
  background:var(--neon-cyan);box-shadow:0 0 10px rgba(23,225,200,.9);
}
.cta-right{position:relative;z-index:2;flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:var(--dark);
  color:rgba(255,255,255,.72);
  margin-top:80px;
  padding-top:2px;
}
.site-footer::before{
  content:"";display:block;height:2px;
  background:linear-gradient(90deg,var(--neon-cyan),var(--neon-purple));
}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding:56px 0 40px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease;}
.footer-col li a:hover{color:var(--neon-cyan);}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0 30px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .split{display:flex;gap:22px;flex-wrap:wrap;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  h1{font-size:40px;}
  .card-grid-2{gap:20px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  h1{font-size:34px;}
  h2{font-size:24px;}
  .zig-row{grid-template-columns:1fr;gap:24px;}
  .zig-row.reverse .zig-media{order:0;}
  .zig-media img{height:220px;}
  .card-grid-2{grid-template-columns:1fr;}
  .assure-bar{grid-template-columns:repeat(2,1fr);}
  .assure-item{border-right:1px solid var(--border);border-bottom:1px solid var(--border);}
  .assure-item:nth-child(2n){border-right:none;}
  .assure-item:nth-child(n+3){border-bottom:none;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:48px 32px;}
}
@media (max-width:992px){
  .header-inner{height:56px;}
  .nav-toggle{display:inline-flex;}
  .header-cta{display:none;}
  .nav-menu{
    position:fixed;top:0;right:0;height:100vh;width:82%;max-width:340px;
    background:var(--dark-2);
    flex-direction:column;align-items:stretch;gap:4px;
    padding:88px 20px 32px;
    transform:translateX(100%);
    transition:transform .3s ease;
    z-index:60;
    border-left:1px solid rgba(255,255,255,.08);
    overflow-y:auto;
  }
  body.nav-open .nav-menu{transform:translateX(0);}
  .nav-link{padding:14px 16px;font-size:16px;border-radius:10px;}
  .nav-link::after{left:16px;right:auto;width:22px;bottom:8px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .section-tight{padding:40px 0;}
  h1{font-size:29px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  body{font-size:15px;}
  .banner-inner{padding:40px 0;}
  .page-banner{min-height:auto;}
  .banner-stats{gap:24px;}
  .banner-stats .stat-num{font-size:22px;}
  .zig-row{padding:20px;}
  .entry-card{flex-direction:column;}
  .entry-thumb{flex:none;width:100%;height:170px;}
  .assure-bar{grid-template-columns:1fr;}
  .assure-item{border-right:none;border-bottom:1px solid var(--border);}
  .assure-item:last-child{border-bottom:none;}
  .footer-top{grid-template-columns:1fr;gap:28px;padding:40px 0 28px;}
  .cta-band{padding:36px 22px;}
  .cta-points{gap:14px;}
  .btn-lg{padding:14px 24px;font-size:15px;}
  .section-head{margin-bottom:24px;}
}
@media (max-width:520px){
  h1{font-size:26px;}
  .banner-actions{flex-direction:column;align-items:stretch;}
  .banner-actions .btn{width:100%;}
  .logo-text{font-size:16px;}
  .banner-stats{flex-direction:column;gap:16px;}
}