/* roulang page: index */
:root{
  --brand:#5B3BE8;
  --brand-deep:#2E1F7A;
  --accent:#12C2A0;
  --highlight:#FF7A2F;
  --bg:#F5F6FA;
  --surface:#FFFFFF;
  --dark:#191436;
  --line:#E6E8F2;
  --text:#1C1B2E;
  --muted:#6A6C85;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --shadow-1:0 2px 10px rgba(28,27,46,.06);
  --shadow-2:0 18px 44px rgba(43,31,120,.14);
  --sect-desktop:96px;
  --sect-tablet:72px;
  --sect-mobile:56px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--brand-deep);text-decoration:underline;}
h1,h2,h3,h4{color:var(--text);letter-spacing:-.01em;}
h1{font-size:clamp(30px,4.2vw,50px);font-weight:800;line-height:1.25;margin:0 0 18px;}
h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.35;margin:0 0 14px;}
h3{font-size:21px;font-weight:600;line-height:1.5;margin:0 0 10px;}
p{margin:0 0 1.15em;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:var(--sect-desktop) 0;}
.section-tight{padding:64px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:rgba(91,59,232,.09);
  border:1px solid rgba(91,59,232,.18);
  padding:6px 14px;border-radius:var(--r-pill);
  margin-bottom:16px;letter-spacing:.04em;
}
.eyebrow i{font-size:12px;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head p{color:var(--muted);margin-bottom:0;font-size:16px;}
.text-muted-2{color:var(--muted);}

/* ============ 悬浮胶囊导航 ============ */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:1030;
  padding:0 20px;pointer-events:none;
}
.nav-shell{
  pointer-events:auto;
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;gap:24px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--shadow-1);
  padding:10px 12px 10px 20px;
  transition:padding .25s ease,box-shadow .25s ease,background .25s ease;
}
.site-header.shrink .nav-shell{
  padding:6px 10px 6px 18px;
  background:rgba(255,255,255,.95);
  box-shadow:var(--shadow-2);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text);flex:0 0 auto;}
.brand:hover{text-decoration:none;color:var(--text);}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;flex:0 0 auto;
}
.brand-text{font-size:16px;letter-spacing:.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 16px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--muted);
  transition:background .2s ease,color .2s ease;
  white-space:nowrap;
}
.nav-link:hover{background:rgba(91,59,232,.08);color:var(--brand);text-decoration:none;}
.nav-link.active{background:rgba(91,59,232,.12);color:var(--brand);font-weight:600;}
.nav-link.active::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--text);
  align-items:center;justify-content:center;cursor:pointer;
}
.mobile-menu{
  pointer-events:auto;
  max-width:1180px;margin:12px auto 0;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-2);padding:12px;display:none;
}
.mobile-menu.open{display:block;}
.mobile-menu a{
  display:flex;align-items:center;height:48px;padding:0 16px;
  border-radius:var(--r-md);color:var(--text);font-weight:500;
}
.mobile-menu a:hover{background:var(--bg);text-decoration:none;color:var(--brand);}
.mobile-menu a.active{background:rgba(91,59,232,.12);color:var(--brand);}
.mobile-menu .btn{width:100%;margin-top:8px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-md);
  font-weight:600;font-size:15.5px;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(91,59,232,.22);}
.btn-brand:hover{background:#4a2ed2;color:#fff;box-shadow:var(--shadow-2);}
.btn-outline{background:#fff;border-color:rgba(91,59,232,.4);color:var(--brand);}
.btn-outline:hover{background:rgba(91,59,232,.08);color:var(--brand-deep);}
.btn-accent{background:var(--highlight);color:#fff;box-shadow:0 10px 24px rgba(255,122,47,.28);}
.btn-accent:hover{background:#ea6a20;color:#fff;}
.btn-pill{border-radius:var(--r-pill);}
.btn-sm{padding:9px 18px;font-size:14.5px;border-radius:var(--r-pill);}
.btn-lg{padding:15px 32px;font-size:16.5px;}
.btn-block{width:100%;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:150px 0 96px;
  min-height:82vh;
  display:flex;align-items:center;
  background-image:linear-gradient(120deg,rgba(25,20,54,.9),rgba(46,31,122,.82)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-radius:0 0 32px 32px;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:auto -10% -40% 40%;
  height:420px;background:radial-gradient(circle,rgba(18,194,160,.28),transparent 62%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:6fr 5fr;gap:48px;align-items:center;position:relative;z-index:2;}
.hero h1{color:#fff;}
.hero h1 .hl{color:#B9A8FF;}
.hero-sub{color:rgba(255,255,255,.84);font-size:clamp(16px,1.5vw,18.5px);max-width:540px;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-cta .btn-outline{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5);color:#fff;}
.hero-cta .btn-outline:hover{background:rgba(255,255,255,.2);color:#fff;}
.trust-row{display:flex;flex-wrap:wrap;gap:14px;}
.trust-item{
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);
  border-radius:var(--r-md);
  padding:12px 16px;min-width:150px;
}
.trust-item strong{display:block;color:#fff;font-size:19px;font-weight:700;letter-spacing:.02em;}
.trust-item span{font-size:13px;color:rgba(255,255,255,.72);}
.hero-visual{position:relative;}
.hero-card{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 30px 70px rgba(15,10,40,.45);
  aspect-ratio:4/3;
  background-image:linear-gradient(180deg,rgba(25,20,54,.35),rgba(25,20,54,.72)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.hero-card img{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:74%;border-radius:var(--r-md);
  box-shadow:0 20px 46px rgba(10,6,32,.5);
}
.hero-card-tag{
  position:absolute;left:18px;top:18px;
  background:rgba(255,255,255,.94);color:var(--brand-deep);
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:var(--r-pill);
}
.hero-card-note{
  position:absolute;left:18px;right:18px;bottom:18px;
  background:rgba(25,20,54,.72);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-md);padding:12px 16px;color:rgba(255,255,255,.88);font-size:14px;
  backdrop-filter:blur(6px);
}

/* ============ 通用卡片 ============ */
.card-soft{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--shadow-1);
  padding:24px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card-soft:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(91,59,232,.25);}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(91,59,232,.1);color:var(--brand);
}
.badge-accent{background:rgba(18,194,160,.12);color:#0b8a72;}
.badge-warm{background:rgba(255,122,47,.14);color:#c95416;}

/* ============ 优惠阶梯 ============ */
.ladder{display:grid;gap:22px;}
.ladder-item{
  display:grid;grid-template-columns:88px 1fr 240px;gap:26px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 30px;box-shadow:var(--shadow-1);position:relative;
  transition:transform .25s ease,box-shadow .25s ease;
}
.ladder-item:nth-child(2){margin-left:56px;}
.ladder-item:nth-child(3){margin-left:112px;border-color:rgba(255,122,47,.45);box-shadow:0 18px 44px rgba(255,122,47,.14);}
.ladder-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.ladder-step{
  width:60px;height:60px;border-radius:50%;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;
}
.ladder-item:nth-child(3) .ladder-step{background:linear-gradient(140deg,var(--highlight),#d9561a);}
.ladder-body h3{margin-bottom:6px;}
.ladder-body .ladder-desc{color:var(--muted);font-size:14.5px;margin-bottom:12px;}
.ladder-perks{display:flex;flex-wrap:wrap;gap:10px 22px;}
.ladder-perks li{
  font-size:14.5px;color:var(--text);display:flex;align-items:center;gap:8px;
}
.ladder-perks li i{color:var(--accent);font-size:13px;}
.ladder-side{border-left:1px solid var(--line);padding-left:24px;}
.ladder-side .threshold{font-size:13.5px;color:var(--muted);margin-bottom:12px;}

/* ============ 套餐对比 ============ */
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch;}
.compare-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:0;overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease;
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.compare-card.recommend{background:rgba(91,59,232,.05);border-color:rgba(91,59,232,.28);}
.compare-card.recommend::before{content:"";display:block;height:4px;background:var(--highlight);}
.compare-head{padding:24px 24px 16px;border-bottom:1px solid var(--line);}
.compare-head .plan-name{font-size:19px;font-weight:700;margin-bottom:6px;}
.compare-head .plan-price{font-size:28px;font-weight:800;color:var(--brand-deep);letter-spacing:-.02em;}
.compare-head .plan-price small{font-size:13px;font-weight:500;color:var(--muted);margin-left:6px;}
.compare-head .plan-desc{font-size:14px;color:var(--muted);margin:8px 0 0;}
.compare-body{padding:18px 24px 8px;flex:1;}
.compare-group{font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.04em;margin:14px 0 8px;}
.compare-group:first-child{margin-top:0;}
.compare-row{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;margin-bottom:10px;}
.compare-row i{font-size:13px;margin-top:5px;flex:0 0 auto;}
.compare-row .yes{color:var(--accent);}
.compare-row .no{color:#C6C8D6;}
.compare-foot{padding:16px 24px 26px;}

/* ============ 限时入口 ============ */
.limited{
  background:linear-gradient(130deg,#191436,#2E1F7A 70%,#3b2796);
  border-radius:28px;color:#fff;padding:34px 38px;position:relative;overflow:hidden;
  max-height:340px;
}
.limited::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;
  border-radius:50%;background:radial-gradient(circle,rgba(18,194,160,.34),transparent 65%);
}
.limited-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;position:relative;z-index:2;}
.limited h2{color:#fff;margin-bottom:10px;}
.limited p{color:rgba(255,255,255,.78);margin-bottom:0;font-size:15px;}
.countdown{display:flex;align-items:center;gap:12px;margin:20px 0 22px;}
.countdown .num{
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  font-size:clamp(30px,4vw,44px);font-weight:700;line-height:1;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-md);padding:12px 16px;letter-spacing:.04em;
}
.countdown .sep{font-size:30px;color:rgba(255,255,255,.5);}
.progress-wrap{background:rgba(255,255,255,.1);border-radius:var(--r-pill);height:10px;overflow:hidden;border:1px solid rgba(255,255,255,.14);}
.progress-bar-2{height:100%;width:72%;background:linear-gradient(90deg,var(--accent),#66f0d6);border-radius:var(--r-pill);}
.progress-meta{display:flex;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.72);margin-top:10px;}
.limited-side{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);padding:24px;
}
.limited-side ul{margin:14px 0 20px;display:grid;gap:10px;}
.limited-side li{font-size:14.5px;color:rgba(255,255,255,.85);display:flex;gap:9px;align-items:flex-start;}
.limited-side li i{color:var(--accent);font-size:13px;margin-top:5px;}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(91,59,232,.24);}
.news-card:hover .news-title{color:var(--brand);}
.news-card.is-feature{grid-column:span 2;flex-direction:row;}
.news-media{position:relative;background:#EDEFF7;overflow:hidden;}
.news-media img{width:100%;height:100%;object-fit:cover;}
.news-card:not(.is-feature) .news-media{aspect-ratio:16/9;}
.news-card.is-feature .news-media{flex:0 0 42%;min-height:260px;}
.news-badge{
  position:absolute;left:14px;top:14px;
  background:rgba(255,255,255,.94);color:var(--brand);
  font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:var(--r-pill);
}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.news-title{font-size:18px;font-weight:600;line-height:1.55;margin:0 0 10px;color:var(--text);transition:color .2s ease;}
.news-card.is-feature .news-title{font-size:22px;}
.news-summary{color:var(--muted);font-size:14.5px;line-height:1.7;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;}
.news-foot .link-more{font-weight:600;color:var(--brand);}
.news-empty{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-md);
  padding:52px 24px;text-align:center;color:var(--muted);
}
.news-empty i{font-size:34px;color:#C6C8D6;display:block;margin-bottom:14px;}
.news-empty p{margin-bottom:16px;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:box-shadow .2s ease;}
.faq-item.active{box-shadow:var(--shadow-1);position:relative;}
.faq-item.active::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent);}
.faq-q{
  width:100%;text-align:left;background:none;border:0;cursor:pointer;
  padding:18px 22px;font-size:16.5px;font-weight:600;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-q .icon{flex:0 0 auto;color:var(--brand);transition:transform .2s ease;}
.faq-item.active .faq-q .icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;color:var(--muted);font-size:15px;}
.faq-a p{padding:0 22px 20px;margin:0;}

/* ============ 表单 ============ */
.form-section{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.form-grid{display:grid;grid-template-columns:4fr 6fr;gap:44px;align-items:start;}
.point-list{display:grid;gap:16px;margin-top:22px;}
.point-item{display:flex;gap:14px;align-items:flex-start;}
.point-item .dot{
  width:34px;height:34px;border-radius:11px;background:rgba(91,59,232,.1);
  color:var(--brand);display:flex;align-items:center;justify-content:center;flex:0 0 auto;font-size:14px;
}
.point-item strong{display:block;font-size:15.5px;font-weight:600;margin-bottom:2px;}
.point-item span{font-size:14px;color:var(--muted);}
.form-panel{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.field .req{color:var(--highlight);margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);
  border-radius:12px;background:#fff;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(91,59,232,.15);
}
.field .hint{font-size:13px;color:var(--muted);margin-top:6px;}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted);margin-bottom:20px;}
.check-line input{width:18px;height:18px;margin-top:3px;flex:0 0 auto;accent-color:var(--brand);}
.form-msg{display:none;margin-top:14px;font-size:14px;color:#0b8a72;background:rgba(18,194,160,.1);border-radius:var(--r-sm);padding:10px 14px;}
.form-msg.show{display:block;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding:64px 0 0;margin-top:24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;}
.site-footer h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:16px;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);}
.site-footer a{color:rgba(255,255,255,.78);font-size:14.5px;}
.site-footer a:hover{color:var(--accent);text-decoration:none;}
.footer-links{display:grid;gap:11px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff;font-weight:700;}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--brand),var(--accent));}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:48px;padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .wrap{max-width:1040px;}
  .hero-grid{gap:36px;}
  .ladder-item:nth-child(2){margin-left:36px;}
  .ladder-item:nth-child(3){margin-left:72px;}
}
@media (max-width:991px){
  .section{padding:var(--sect-tablet) 0;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{padding:130px 0 72px;min-height:auto;border-radius:0 0 26px 26px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual{order:-1;}
  .hero-card{aspect-ratio:16/10;}
  .ladder-item{grid-template-columns:64px 1fr;gap:20px;padding:22px;}
  .ladder-item:nth-child(2),.ladder-item:nth-child(3){margin-left:0;}
  .ladder-side{grid-column:1 / -1;border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;}
  .ladder-side .threshold{margin-bottom:0;}
  .compare-grid{grid-template-columns:1fr;}
  .limited{max-height:none;}
  .limited-grid{grid-template-columns:1fr;}
  .news-card.is-feature{flex-direction:column;}
  .news-card.is-feature .news-media{flex:none;min-height:0;aspect-ratio:16/9;}
  .form-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:var(--sect-mobile) 0;}
  .news-grid{grid-template-columns:1fr;}
  .news-card.is-feature{grid-column:span 1;}
  .form-row{grid-template-columns:1fr;}
  .countdown .num{font-size:30px;padding:10px 12px;}
  .limited{padding:26px 22px;border-radius:22px;}
  .trust-item{flex:1 1 140px;}
}
@media (max-width:575px){
  .wrap{padding:0 16px;}
  .site-header{padding:0 12px;top:12px;}
  .brand-text{font-size:14.5px;}
  .hero{padding:118px 0 56px;}
  .hero-cta .btn{width:100%;}
  .compare-head .plan-price{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .form-panel{padding:20px;}
  .form-panel .btn{width:100%;}
  .limited-side{padding:18px;}
}

/* roulang page: category1 */
:root{
    --brand:#5B3BE8;
    --brand-deep:#2E1F7A;
    --accent:#12C2A0;
    --highlight:#FF7A2F;
    --bg:#F5F6FA;
    --surface:#FFFFFF;
    --dark:#191436;
    --line:#E6E8F2;
    --text:#1C1B2E;
    --muted:#6A6C85;
    --r-sm:8px;
    --r-md:14px;
    --r-lg:22px;
    --r-pill:999px;
    --shadow-1:0 2px 10px rgba(28,27,46,.06);
    --shadow-2:0 18px 44px rgba(43,31,120,.14);
    --bs-primary:#5B3BE8;
    --bs-primary-rgb:91,59,232;
    --bs-body-color:#1C1B2E;
    --bs-body-bg:#F5F6FA;
    --bs-border-color:#E6E8F2;
    --bs-link-color:#5B3BE8;
    --bs-link-hover-color:#2E1F7A;
    --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  }

  *,
  *::before,
  *::after{ box-sizing:border-box; }

  html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

  body{
    margin:0;
    font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16.5px;
    line-height:1.8;
    letter-spacing:.01em;
    color:var(--text);
    background:var(--bg);
  }

  img{ max-width:100%; display:block; height:auto; }
  a{ color:var(--brand); text-decoration:none; transition:color .22s ease, background-color .22s ease; }
  a:hover{ color:var(--brand-deep); }
  h1,h2,h3,h4{ margin:0; color:var(--text); font-weight:700; }
  p{ margin:0; }
  ul{ margin:0; padding:0; list-style:none; }
  button{ font-family:inherit; }

  :focus-visible{
    outline:3px solid var(--accent);
    outline-offset:2px;
    border-radius:6px;
  }

  .wrap{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 20px;
  }

  /* ============ 悬浮胶囊导航 ============ */
  .site-header{
    position:fixed;
    top:0; left:0; right:0;
    z-index:120;
  }

  .nav-shell{
    position:relative;
    max-width:1180px;
    width:calc(100% - 40px);
    margin:16px auto 0;
    display:flex;
    align-items:center;
    gap:14px;
    padding:11px 14px 11px 18px;
    background:rgba(255,255,255,.86);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border:1px solid var(--line);
    border-radius:var(--r-pill);
    box-shadow:var(--shadow-1);
    transition:margin .28s ease, padding .28s ease, box-shadow .28s ease, background-color .28s ease;
  }

  .site-header.scrolled .nav-shell{
    margin-top:8px;
    padding-top:7px;
    padding-bottom:7px;
    background:rgba(255,255,255,.96);
    box-shadow:var(--shadow-2);
  }

  .brand{
    display:flex;
    align-items:center;
    gap:10px;
    color:var(--text);
    font-weight:700;
    font-size:16.5px;
    letter-spacing:-.01em;
    white-space:nowrap;
  }
  .brand:hover{ color:var(--brand-deep); }

  .brand-mark{
    width:32px; height:32px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border-radius:11px;
    background:var(--brand);
    color:#fff;
    font-size:15px;
    font-weight:700;
    flex:0 0 auto;
  }

  .nav-links{
    display:flex;
    align-items:center;
    gap:6px;
    margin-left:auto;
  }

  .nav-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:15px;
    font-weight:500;
    color:var(--muted);
    padding:9px 15px;
    border-radius:var(--r-pill);
    white-space:nowrap;
  }
  .nav-link:hover{
    color:var(--brand);
    background:rgba(91,59,232,.07);
  }
  .nav-link.active{
    color:var(--brand);
    background:rgba(91,59,232,.10);
    font-weight:600;
  }
  .nav-link.active::before{
    content:"";
    width:6px; height:6px;
    border-radius:50%;
    background:var(--accent);
    flex:0 0 auto;
  }

  .nav-actions{ display:flex; align-items:center; gap:10px; }

  .nav-cta{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:10px 20px;
    border-radius:var(--r-pill);
    background:var(--brand);
    color:#fff;
    font-size:15px;
    font-weight:600;
    box-shadow:var(--shadow-1);
    transition:background-color .22s ease, transform .22s ease, box-shadow .22s ease;
  }
  .nav-cta:hover{
    background:#4c2fd4;
    color:#fff;
    transform:translateY(-1px);
    box-shadow:var(--shadow-2);
  }

  .nav-toggle{
    display:none;
    width:44px; height:44px;
    border:1px solid var(--line);
    background:#fff;
    border-radius:14px;
    padding:0;
    cursor:pointer;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:5px;
  }
  .nav-toggle span{
    display:block;
    width:18px; height:2px;
    border-radius:2px;
    background:var(--text);
    transition:transform .22s ease, opacity .22s ease;
  }
  .nav-shell.open .nav-toggle span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
  .nav-shell.open .nav-toggle span:nth-child(2){ opacity:0; }
  .nav-shell.open .nav-toggle span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

  .mobile-cta{ display:none; }

  /* ============ 分类横幅 ============ */
  .cat-banner{
    position:relative;
    min-height:340px;
    padding:126px 0 58px;
    background-image:url("/assets/images/backpic/back-1.webp");
    background-size:cover;
    background-position:center;
    overflow:hidden;
  }
  .cat-banner::before{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(112deg, rgba(25,20,54,.94) 0%, rgba(46,31,122,.80) 52%, rgba(25,20,54,.66) 100%);
  }
  .cat-banner .wrap{ position:relative; z-index:1; }

  .crumbs{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:10px;
    font-size:13px;
    color:rgba(255,255,255,.68);
    margin-bottom:22px;
  }
  .crumbs a{ color:rgba(255,255,255,.82); }
  .crumbs a:hover{ color:var(--accent); text-decoration:underline; }
  .crumbs .sep{ color:rgba(255,255,255,.36); }
  .crumbs .current{ color:#fff; }

  .banner-tag{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:7px 16px;
    border-radius:var(--r-pill);
    background:rgba(18,194,160,.16);
    border:1px solid rgba(18,194,160,.42);
    color:#7FF0DA;
    font-size:13.5px;
    font-weight:600;
    margin-bottom:20px;
  }

  .cat-banner h1{
    color:#fff;
    font-size:clamp(30px,4.2vw,50px);
    line-height:1.25;
    font-weight:800;
    letter-spacing:-.015em;
    max-width:900px;
  }

  .banner-lead{
    margin-top:18px;
    max-width:720px;
    font-size:17px;
    line-height:1.8;
    color:rgba(255,255,255,.80);
  }

  .banner-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    margin-top:30px;
  }

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:9px;
    padding:13px 28px;
    border-radius:var(--r-md);
    font-size:15.5px;
    font-weight:600;
    border:1px solid transparent;
    cursor:pointer;
    transition:background-color .22s ease, transform .22s ease, box-shadow .22s ease, color .22s ease, border-color .22s ease;
  }
  .btn-brand{
    background:var(--brand);
    color:#fff;
    box-shadow:var(--shadow-1);
  }
  .btn-brand:hover{
    background:#4c2fd4;
    color:#fff;
    transform:translateY(-1px);
    box-shadow:var(--shadow-2);
  }
  .btn-ghost{
    background:rgba(255,255,255,.10);
    border-color:rgba(255,255,255,.42);
    color:#fff;
  }
  .btn-ghost:hover{
    background:rgba(255,255,255,.20);
    color:#fff;
    transform:translateY(-1px);
  }
  .btn-outline{
    background:#fff;
    border-color:var(--brand);
    color:var(--brand);
  }
  .btn-outline:hover{
    background:rgba(91,59,232,.08);
    color:var(--brand-deep);
    transform:translateY(-1px);
  }
  .btn-promo{
    background:var(--highlight);
    color:#fff;
    box-shadow:0 12px 28px rgba(255,122,47,.28);
  }
  .btn-promo:hover{
    background:#f06a1c;
    color:#fff;
    transform:translateY(-1px);
    box-shadow:0 18px 36px rgba(255,122,47,.34);
  }

  /* ============ 速览条 ============ */
  .facts{
    margin-top:-38px;
    position:relative;
    z-index:5;
  }
  .facts-inner{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:20px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow-2);
    padding:26px 28px;
  }
  .fact{ display:flex; align-items:flex-start; gap:14px; }
  .fact i{
    width:44px; height:44px;
    flex:0 0 auto;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border-radius:14px;
    background:rgba(91,59,232,.10);
    color:var(--brand);
    font-size:17px;
  }
  .fact strong{
    display:block;
    font-size:22px;
    font-weight:800;
    color:var(--brand-deep);
    line-height:1.3;
  }
  .fact span{
    font-size:13.5px;
    color:var(--muted);
    line-height:1.6;
  }

  /* ============ 主体布局 ============ */
  .layout{
    display:grid;
    grid-template-columns:240px 1fr;
    gap:34px;
    padding:64px 20px 8px;
  }

  .side{
    position:sticky;
    top:104px;
    align-self:start;
    display:flex;
    flex-direction:column;
    gap:18px;
  }

  .side-card{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--r-md);
    padding:20px;
    box-shadow:var(--shadow-1);
  }

  .side-title{
    font-size:14px;
    font-weight:700;
    color:var(--muted);
    letter-spacing:.06em;
    margin-bottom:14px;
  }

  .side-nav{ display:flex; flex-direction:column; gap:4px; }
  .side-link{
    display:block;
    padding:9px 12px;
    border-radius:var(--r-sm);
    font-size:14.5px;
    color:var(--muted);
    border-left:3px solid transparent;
  }
  .side-link:hover{
    color:var(--brand);
    background:rgba(91,59,232,.06);
  }
  .side-link.active{
    color:var(--brand);
    background:rgba(91,59,232,.09);
    border-left-color:var(--accent);
    font-weight:600;
  }

  .chips{ display:flex; flex-wrap:wrap; gap:8px; }
  .chip{
    padding:7px 14px;
    border-radius:var(--r-pill);
    border:1px solid var(--line);
    background:#fff;
    color:var(--muted);
    font-size:13.5px;
    font-weight:500;
    cursor:pointer;
    transition:all .22s ease;
  }
  .chip:hover{ border-color:var(--brand); color:var(--brand); }
  .chip.active{
    background:var(--brand);
    border-color:var(--brand);
    color:#fff;
    font-weight:600;
  }

  .side-note{
    font-size:13px;
    line-height:1.7;
    color:var(--muted);
  }
  .side-note a{ font-weight:600; }

  /* ============ 内容区 ============ */
  .content{ display:flex; flex-direction:column; gap:72px; }

  .sec-head{ margin-bottom:26px; }
  .sec-head h2{
    font-size:clamp(24px,2.6vw,32px);
    line-height:1.35;
    font-weight:700;
    letter-spacing:-.01em;
  }
  .sec-head p{
    margin-top:12px;
    max-width:720px;
    color:var(--muted);
    font-size:15.5px;
  }

  .sec-head .eyebrow{
    display:inline-block;
    font-size:13px;
    font-weight:700;
    letter-spacing:.08em;
    color:var(--accent);
    margin-bottom:12px;
  }

  .cat-cards{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:24px;
  }

  .cat-card{
    display:flex;
    flex-direction:column;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--r-md);
    overflow:hidden;
    box-shadow:var(--shadow-1);
    transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease;
  }
  .cat-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-2);
    border-color:rgba(91,59,232,.28);
  }
  .cat-card:hover h3{ color:var(--brand); }
  .cat-card.hidden{ display:none; }

  .card-media{ position:relative; }
  .card-media img{
    width:100%;
    aspect-ratio:16/9;
    object-fit:cover;
  }
  .card-media::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg, rgba(25,20,54,0) 46%, rgba(25,20,54,.46) 100%);
  }
  .card-media .tag{
    position:absolute;
    top:14px; left:14px;
    z-index:2;
  }

  .tag{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:5px 13px;
    border-radius:var(--r-pill);
    font-size:12.5px;
    font-weight:600;
    line-height:1.5;
  }
  .tag-soft{ background:rgba(91,59,232,.92); color:#fff; }
  .tag-line{
    background:rgba(91,59,232,.09);
    color:var(--brand);
    font-weight:600;
  }
  .tag-accent{
    background:rgba(18,194,160,.14);
    color:#0d8b74;
  }

  .card-body{
    padding:22px 22px 20px;
    display:flex;
    flex-direction:column;
    gap:12px;
    flex:1;
  }
  .card-body h3{
    font-size:19px;
    line-height:1.5;
    font-weight:600;
    transition:color .22s ease;
  }
  .card-body p{
    font-size:14.8px;
    line-height:1.75;
    color:var(--muted);
    display:-webkit-box;
    -webkit-line-clamp:3;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }

  .card-foot{
    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(--muted);
  }
  .link-more{ font-size:13.5px; font-weight:600; }
  .link-more i{ font-size:12px; margin-left:4px; }

  .filter-empty{
    display:none;
    padding:36px 24px;
    text-align:center;
    background:#EFF1F7;
    border-radius:var(--r-md);
    color:var(--muted);
    font-size:15px;
  }
  .filter-empty i{
    display:block;
    font-size:24px;
    color:var(--brand);
    margin-bottom:10px;
  }
  .filter-empty.show{ display:block; }

  /* ============ 核对清单 ============ */
  .check-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:18px;
  }
  .check-item{
    display:flex;
    gap:16px;
    padding:22px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--r-md);
    box-shadow:var(--shadow-1);
    transition:transform .22s ease, box-shadow .22s ease;
  }
  .check-item:hover{
    transform:translateY(-3px);
    box-shadow:var(--shadow-2);
  }
  .check-num{
    flex:0 0 auto;
    width:38px; height:38px;
    border-radius:12px;
    background:var(--brand-deep);
    color:#fff;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:15px;
    font-weight:700;
  }
  .check-item h3{
    font-size:16.5px;
    font-weight:600;
    margin-bottom:8px;
  }
  .check-item p{
    font-size:14.5px;
    color:var(--muted);
    line-height:1.75;
  }

  .note-block{
    margin-top:26px;
    padding:24px 26px;
    border-radius:var(--r-md);
    background:rgba(91,59,232,.06);
    border-left:4px solid var(--brand);
    color:var(--text);
    font-size:15px;
    line-height:1.8;
  }
  .note-block strong{ color:var(--brand-deep); }

  /* ============ 结尾 CTA 条 ============ */
  .cta-strip{
    margin-top:88px;
    background:var(--dark);
    color:rgba(255,255,255,.82);
    padding:56px 0;
  }
  .cta-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:32px;
  }
  .cta-inner h2{
    color:#fff;
    font-size:clamp(22px,2.3vw,28px);
    line-height:1.4;
  }
  .cta-inner p{
    margin-top:12px;
    max-width:640px;
    font-size:15px;
    color:rgba(255,255,255,.72);
  }
  .cta-inner .btn{ flex:0 0 auto; }

  /* ============ 页脚 ============ */
  .site-footer{
    background:var(--dark);
    color:rgba(255,255,255,.78);
    padding:64px 0 26px;
    border-top:1px solid rgba(255,255,255,.10);
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1fr;
    gap:34px;
  }
  .footer-brand{
    display:flex;
    align-items:center;
    gap:10px;
    color:#fff;
    font-size:17.5px;
    font-weight:700;
    margin-bottom:16px;
  }
  .footer-grid p{
    font-size:14.5px;
    line-height:1.8;
    color:rgba(255,255,255,.68);
    max-width:360px;
  }
  .footer-grid h4{
    font-size:15px;
    color:#fff;
    font-weight:600;
    margin-bottom:16px;
  }
  .footer-links{
    display:flex;
    flex-direction:column;
    gap:10px;
    font-size:14.5px;
  }
  .footer-links a{ color:rgba(255,255,255,.78); }
  .footer-links a:hover{ color:var(--accent); }
  .footer-bottom{
    margin-top:44px;
    padding-top:22px;
    border-top:1px solid rgba(255,255,255,.14);
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    gap:12px;
    font-size:13px;
    color:rgba(255,255,255,.55);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1199px){
    .wrap{ max-width:1040px; }
    .layout{ grid-template-columns:220px 1fr; gap:26px; }
  }

  @media (max-width:991px){
    .nav-cta{ display:none; }
    .nav-toggle{ display:inline-flex; }
    .nav-shell{ padding:10px 12px 10px 16px; gap:10px; }
    .nav-links{
      display:none;
    }
    .nav-shell.open .nav-links{
      display:flex;
      flex-direction:column;
      align-items:stretch;
      gap:6px;
      position:absolute;
      top:calc(100% + 12px);
      left:0; right:0;
      margin:0;
      padding:14px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:20px;
      box-shadow:var(--shadow-2);
    }
    .nav-shell.open .nav-link{
      height:48px;
      display:flex;
      align-items:center;
      padding:0 16px;
      border-radius:14px;
      font-size:15.5px;
    }
    .mobile-cta{
      display:flex;
      align-items:center;
      justify-content:center;
      height:48px;
      margin-top:6px;
      border-radius:14px;
      background:var(--brand);
      color:#fff;
      font-weight:600;
      font-size:15.5px;
    }
    .mobile-cta:hover{ background:#4c2fd4; color:#fff; }

    .cat-banner{ padding:118px 0 52px; min-height:320px; }
    .facts-inner{ grid-template-columns:1fr; gap:18px; padding:22px; }
    .layout{ grid-template-columns:1fr; padding-top:52px; gap:34px; }
    .side{ position:static; top:auto; flex-direction:column; }
    .cat-cards{ grid-template-columns:repeat(2,1fr); }
    .content{ gap:60px; }
    .cta-inner{ flex-direction:column; align-items:flex-start; }
    .cta-strip{ padding:48px 0; margin-top:72px; }
    .footer-grid{ grid-template-columns:1fr 1fr; gap:28px; }
  }

  @media (max-width:767px){
    body{ font-size:16px; }
    .brand span.brand-text{ font-size:15.5px; }
    .cat-banner{ padding:110px 0 46px; }
    .banner-lead{ font-size:15.5px; }
    .banner-actions{ gap:12px; }
    .banner-actions .btn{ flex:1 1 100%; }
    .facts{ margin-top:-26px; }
    .cat-cards{ grid-template-columns:1fr; }
    .check-grid{ grid-template-columns:1fr; }
    .side-card{ padding:18px; }
    .content{ gap:52px; }
    .card-body{ padding:20px 18px 18px; }
  }

  @media (max-width:575px){
    .wrap{ padding:0 16px; }
    .nav-shell{ width:calc(100% - 24px); }
    .brand{ font-size:15px; }
    .brand-mark{ width:28px; height:28px; border-radius:10px; font-size:13px; }
    .cat-banner h1{ font-size:clamp(26px,7vw,32px); }
    .cta-inner .btn{ width:100%; }
    .footer-grid{ grid-template-columns:1fr; }
    .footer-bottom{ flex-direction:column; }
    .card-foot{ flex-direction:column; align-items:flex-start; gap:8px; }
  }

/* roulang page: article */
:root{
  --brand:#5B3BE8;
  --brand-deep:#2E1F7A;
  --accent:#12C2A0;
  --highlight:#FF7A2F;
  --bg:#F5F6FA;
  --surface:#FFFFFF;
  --dark:#191436;
  --line:#E6E8F2;
  --text:#1C1B2E;
  --muted:#6A6C85;
  --brand-soft:#EEE9FF;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:22px;
  --shadow-1:0 2px 10px rgba(28,27,46,.06);
  --shadow-2:0 18px 44px rgba(43,31,120,.14);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-m);}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-deep);text-decoration:underline;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--text);}
p{margin:0 0 1.1em;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- 顶部胶囊导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  padding:16px 0 0;
  transition:padding .25s ease;
}
.site-header.is-scrolled{padding-top:8px;}
.nav-shell{
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 14px 10px 20px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .25s ease,background .25s ease;
  margin-left:16px;margin-right:16px;
}
.site-header.is-scrolled .nav-shell{box-shadow:var(--shadow-2);background:rgba(255,255,255,.96);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;letter-spacing:0;
}
.brand-text{font-weight:700;font-size:17px;color:var(--text);white-space:nowrap;letter-spacing:.01em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  padding:9px 16px;border-radius:999px;font-size:15px;font-weight:500;
  color:var(--muted);white-space:nowrap;transition:all .2s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);text-decoration:none;}
.nav-link.active{color:var(--brand-deep);background:var(--brand-soft);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:999px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-panel{
  display:none;max-width:1180px;margin:10px 16px 0;padding:14px;
  background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-2);
}
.mobile-panel.open{display:block;}
.mobile-panel .nav-link{display:flex;align-items:center;height:48px;padding:0 16px;border-radius:14px;font-size:16px;}
.mobile-panel .btn{width:100%;margin-top:10px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:14px;font-weight:600;font-size:15.5px;
  border:1px solid transparent;cursor:pointer;transition:all .22s ease;
  text-decoration:none;line-height:1.4;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:#4C2FD6;color:#fff;box-shadow:var(--shadow-2);}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-deep);}
.btn-accent{background:var(--highlight);color:#fff;box-shadow:var(--shadow-1);}
.btn-accent:hover{background:#EE6A1E;color:#fff;box-shadow:var(--shadow-2);}
.btn-sm{padding:9px 20px;font-size:14.5px;border-radius:999px;}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- 文章窄幅色带 ---------- */
.article-band{
  position:relative;
  margin-top:22px;
  padding:34px 0 40px;
  background:
    radial-gradient(120% 160% at 88% 0%,rgba(91,59,232,.16) 0%,rgba(91,59,232,0) 58%),
    linear-gradient(120deg,#F2EFFF 0%,#F7F6FF 46%,#EDF7F5 100%);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.article-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(91,59,232,.05) 1px,transparent 1px);
  background-size:100% 26px;opacity:.6;
}
.crumbs{
  position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:20px;
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand);text-decoration:none;}
.crumbs .sep{color:#C4C7DA;}
.crumbs .now{color:var(--text);font-weight:600;}
.article-head{position:relative;max-width:900px;}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;font-size:13px;font-weight:600;line-height:1.6;
}
.badge-cat{background:var(--brand-soft);color:var(--brand-deep);}
.badge-soft{background:#E4F7F2;color:#0C8C74;}
.badge-line{background:#fff;color:var(--muted);border:1px solid var(--line);}
.article-head h1{
  font-size:clamp(26px,3.4vw,42px);
  font-weight:800;line-height:1.28;letter-spacing:-.01em;color:var(--brand-deep);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;
  margin-top:20px;font-size:13.5px;color:var(--muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C9CCDE;display:inline-block;}

/* ---------- 主体两栏 ---------- */
.article-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;
  gap:34px;align-items:start;
  padding:52px 20px 76px;
  max-width:1200px;margin:0 auto;
}
.article-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-l);padding:38px 42px 44px;box-shadow:var(--shadow-1);
}
.article-body{font-size:17px;line-height:1.85;color:#26253A;max-width:820px;}
.article-body h2{
  font-size:clamp(21px,2.1vw,26px);margin:2.2em 0 .6em;padding-left:14px;
  position:relative;color:var(--brand-deep);scroll-margin-top:110px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;width:4px;height:.95em;
  border-radius:4px;background:var(--accent);
}
.article-body h3{font-size:19px;font-weight:600;margin:1.7em 0 .5em;color:var(--text);}
.article-body p{margin:0 0 1.2em;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.35em;}
.article-body li{margin-bottom:.5em;}
.article-body blockquote{
  margin:1.5em 0;padding:18px 22px;background:#F6F3FF;border-left:4px solid var(--brand);
  border-radius:0 var(--radius-m) var(--radius-m) 0;color:#37355A;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{margin:1.4em auto;border-radius:14px;max-width:100%;}
.article-body figure{margin:1.4em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body a{font-weight:500;border-bottom:1px solid rgba(91,59,232,.3);}
.article-body a:hover{border-bottom-color:var(--brand);text-decoration:none;}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15.5px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.article-body th{background:#F7F6FF;font-weight:600;color:var(--brand-deep);}

.empty-box{
  background:#F7F8FC;border:1px dashed #D3D6E6;border-radius:var(--radius-m);
  padding:44px 24px;text-align:center;
}
.empty-box .icon{
  width:52px;height:52px;border-radius:16px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:24px;margin:0 auto 16px;
}
.empty-box h3{font-size:19px;margin-bottom:8px;}
.empty-box p{color:var(--muted);font-size:15px;margin-bottom:18px;}

/* ---------- 侧栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:104px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:20px 22px;box-shadow:var(--shadow-1);
}
.side-card h4{
  font-size:15px;font-weight:700;color:var(--brand-deep);margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.side-card h4::before{
  content:"";width:4px;height:15px;border-radius:3px;background:var(--brand);
}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;font-size:14.5px;color:var(--muted);padding:7px 10px;border-radius:var(--radius-s);
  line-height:1.55;transition:all .18s ease;border-left:2px solid transparent;
}
.toc-list a:hover{color:var(--brand);background:var(--brand-soft);text-decoration:none;border-left-color:var(--brand);}
.toc-empty{font-size:14px;color:var(--muted);}
.mini-list{display:flex;flex-direction:column;gap:14px;}
.mini-item{display:flex;gap:12px;align-items:flex-start;}
.mini-item img{width:64px;height:48px;border-radius:10px;object-fit:cover;flex:0 0 auto;}
.mini-item span{font-size:14px;line-height:1.55;color:var(--text);font-weight:500;display:block;}
.mini-item:hover span{color:var(--brand);}
.mini-item:hover{text-decoration:none;}
.side-note{
  background:linear-gradient(150deg,var(--brand-deep),#3D2AA8);
  color:rgba(255,255,255,.86);border:none;
}
.side-note h4{color:#fff;}
.side-note h4::before{background:var(--accent);}
.side-note p{font-size:14px;margin-bottom:14px;}
.side-note .btn{width:100%;}

/* ---------- 文末区块 ---------- */
.back-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px;padding-top:26px;border-top:1px solid var(--line);}
.related-block{padding:0 20px 76px;max-width:1200px;margin:0 auto;}
.related-block .head{margin-bottom:26px;}
.related-block .head h2{font-size:clamp(22px,2.4vw,30px);color:var(--brand-deep);}
.related-block .head p{color:var(--muted);font-size:15px;margin:10px 0 0;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D8D2FF;text-decoration:none;}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EAEBF4;}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.news-thumb .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:var(--brand-deep);}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{font-size:17.5px;line-height:1.5;color:var(--text);font-weight:600;}
.news-card:hover .news-body h3{color:var(--brand);}
.news-body p{font-size:14.5px;color:var(--muted);line-height:1.65;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);padding-top:10px;border-top:1px solid var(--line);
}
.news-foot .more{color:var(--brand);font-weight:600;}

.prevnext{
  display:grid;grid-template-columns:1fr 1fr;gap:18px;
  padding:0 20px 76px;max-width:1200px;margin:0 auto;
}
.pn-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:20px 22px;transition:all .22s ease;display:block;
}
.pn-card:hover{border-color:var(--brand);box-shadow:var(--shadow-1);transform:translateY(-2px);text-decoration:none;}
.pn-card .pn-label{font-size:13px;color:var(--muted);display:block;margin-bottom:6px;}
.pn-card .pn-title{font-size:16px;font-weight:600;color:var(--text);line-height:1.5;}
.pn-card:hover .pn-title{color:var(--brand);}
.pn-card.right{text-align:right;}

/* ---------- CTA 条 ---------- */
.cta-strip{
  max-width:1200px;margin:0 auto 78px;padding:0 20px;
}
.cta-inner{
  background:linear-gradient(130deg,var(--brand-deep) 0%,#3A24A6 52%,#2E1F7A 100%);
  border-radius:var(--radius-l);padding:38px 42px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  box-shadow:var(--shadow-2);
}
.cta-inner h2{color:#fff;font-size:clamp(21px,2.2vw,28px);}
.cta-inner p{color:rgba(255,255,255,.74);margin:8px 0 0;font-size:15px;max-width:560px;}
.cta-inner .btn-accent{flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding:64px 0 26px;margin-top:0;}
.site-footer .wrap{max-width:1200px;margin:0 auto;padding:0 20px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px;}
.footer-brand .brand-mark{
  width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--brand),var(--accent));
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;
}
.site-footer p{font-size:14.5px;line-height:1.75;color:rgba(255,255,255,.66);margin:0;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.78);font-size:14.5px;}
.footer-links a:hover{color:var(--accent);text-decoration:none;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container-x,.article-wrap,.related-block,.prevnext,.cta-strip{max-width:1040px;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .article-wrap{grid-template-columns:1fr;gap:26px;padding:40px 20px 60px;}
  .side-col{position:static;}
  .article-card{padding:30px 26px 34px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-inner{padding:32px 28px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .nav-shell{margin-left:12px;margin-right:12px;padding:8px 10px 8px 14px;}
  .brand-text{font-size:15.5px;}
  .article-band{padding:26px 0 30px;}
  .article-head h1{font-size:26px;}
  .article-body{font-size:16.5px;line-height:1.8;}
  .card-grid{grid-template-columns:1fr;}
  .prevnext{grid-template-columns:1fr;}
  .pn-card.right{text-align:left;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-inner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .related-block,.prevnext,.cta-strip{padding-left:16px;padding-right:16px;}
  .article-wrap{padding-left:16px;padding-right:16px;}
}
@media (max-width:519px){
  .brand-text{display:none;}
  .article-card{padding:24px 18px 28px;border-radius:18px;}
  .badge{padding:4px 11px;font-size:12.5px;}
  .article-meta{font-size:13px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --brand:#5B3BE8;
  --brand-deep:#2E1F7A;
  --accent:#12C2A0;
  --highlight:#FF7A2F;
  --bg:#F5F6FA;
  --surface:#FFFFFF;
  --dark:#191436;
  --line:#E6E8F2;
  --text:#1C1B2E;
  --muted:#6A6C85;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:22px;
  --shadow-1:0 2px 10px rgba(28,27,46,.06);
  --shadow-2:0 18px 44px rgba(43,31,120,.14);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-deep);text-decoration:underline;}
h1,h2,h3,h4{color:var(--brand-deep);margin:0;line-height:1.35;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:var(--font);}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px;width:100%;}
.section{padding:92px 0;}
.section-tight{padding:64px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:rgba(91,59,232,.09);
  border-radius:999px;padding:6px 14px;letter-spacing:.04em;
}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);margin:14px 0 12px;}
.section-head p{color:var(--muted);font-size:16px;}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;padding:16px 0 0;}
.nav-pill{
  display:flex;align-items:center;gap:18px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:999px;
  padding:10px 12px 10px 18px;
  box-shadow:var(--shadow-1);
  transition:padding .25s ease,box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled .nav-pill{
  padding-top:6px;padding-bottom:6px;
  background:rgba(255,255,255,.96);
  box-shadow:var(--shadow-2);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:34px;height:34px;border-radius:12px;flex:none;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  color:#fff;display:grid;place-items:center;
  font-weight:800;font-size:16px;
}
.brand-text{font-size:16.5px;font-weight:700;color:var(--brand-deep);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;
  font-size:15px;color:var(--muted);
  padding:9px 15px;border-radius:999px;
  white-space:nowrap;transition:all .2s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(91,59,232,.07);text-decoration:none;}
.nav-link.active{color:var(--brand-deep);background:rgba(91,59,232,.1);font-weight:600;}
.nav-link.active::before{
  content:"";position:absolute;left:2px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:14px;
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-deep);transition:.2s;}
.nav-drawer{
  display:none;position:absolute;left:20px;right:20px;top:80px;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-2);padding:14px;
}
.nav-drawer.open{display:block;}
.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 16px;
  border-radius:14px;color:var(--text);font-size:15.5px;
}
.drawer-link:hover{background:rgba(91,59,232,.07);color:var(--brand);text-decoration:none;}
.drawer-link.active{background:rgba(91,59,232,.1);color:var(--brand-deep);font-weight:600;}
.drawer-cta{margin-top:10px;width:100%;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15.5px;font-weight:600;line-height:1;
  padding:14px 26px;border-radius:14px;
  border:1px solid transparent;cursor:pointer;
  transition:all .22s ease;text-decoration:none;
}
.btn:hover{text-decoration:none;}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(91,59,232,.24);}
.btn-brand:hover{background:#4a2dd4;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(91,59,232,.34);}
.btn-ghost:hover{background:rgba(91,59,232,.08);color:var(--brand-deep);}
.btn-ghost-light{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.34);}
.btn-ghost-light:hover{background:rgba(255,255,255,.22);color:#fff;}
.btn-promo{background:var(--highlight);color:#fff;box-shadow:0 10px 22px rgba(255,122,47,.28);}
.btn-promo:hover{background:#ea6a1f;color:#fff;transform:translateY(-1px);}
.btn-sm{padding:11px 20px;font-size:14.5px;border-radius:999px;}
.btn:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}

/* ---------- 分类横幅 ---------- */
.page-banner{
  position:relative;overflow:hidden;
  background:var(--brand-deep);color:#fff;
  padding:60px 0 56px;
  border-radius:0 0 32px 32px;
  margin-top:14px;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.055) 0 2px,transparent 2px 11px);
}
.page-banner::after{
  content:"";position:absolute;right:-140px;top:-160px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,194,160,.34),rgba(18,194,160,0) 70%);
}
.banner-inner{position:relative;z-index:2;}
.breadcrumb-line{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;}
.breadcrumb-line a{color:rgba(255,255,255,.86);}
.breadcrumb-line a:hover{color:var(--accent);}
.breadcrumb-line .current{color:#fff;}
.page-banner h1{
  color:#fff;font-size:clamp(28px,3.6vw,44px);
  font-weight:800;line-height:1.28;max-width:820px;margin:14px 0 16px;
}
.page-banner .lead{color:rgba(255,255,255,.84);font-size:17px;max-width:700px;}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.banner-facts{
  display:flex;flex-wrap:wrap;gap:14px 34px;margin-top:34px;
  padding-top:24px;border-top:1px solid rgba(255,255,255,.16);
}
.banner-facts li{display:flex;flex-direction:column;gap:2px;}
.banner-facts strong{font-size:22px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;}
.banner-facts span{font-size:13.5px;color:rgba(255,255,255,.72);}
.pill-tag{
  display:inline-flex;align-items:center;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  padding:6px 14px;border-radius:999px;
  background:rgba(18,194,160,.16);color:#8DF3DE;
  border:1px solid rgba(18,194,160,.34);
}

/* ---------- 指标卡 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.metric-card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-l);padding:26px 24px 24px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.metric-card::before{
  content:"";position:absolute;left:24px;top:0;width:44px;height:4px;border-radius:0 0 4px 4px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.metric-num{font-size:32px;font-weight:800;color:var(--brand-deep);letter-spacing:-.02em;font-variant-numeric:tabular-nums;}
.metric-num em{font-style:normal;font-size:15px;font-weight:600;color:var(--muted);margin-left:4px;}
.metric-card h3{font-size:16.5px;margin:10px 0 6px;color:var(--text);font-weight:700;}
.metric-card p{font-size:14.5px;color:var(--muted);line-height:1.7;}

/* ---------- 图文横卡 ---------- */
.hcard-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.hcard{
  display:grid;grid-template-columns:40% 60%;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-l);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.hcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.hcard-media{position:relative;min-height:200px;background:#EFEDFB;}
.hcard-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.hcard-body{padding:24px 24px 22px;}
.hcard-tag{
  display:inline-flex;font-size:12.5px;font-weight:600;
  color:var(--brand);background:rgba(91,59,232,.09);
  border-radius:999px;padding:5px 12px;margin-bottom:12px;
}
.hcard-body h3{font-size:19px;line-height:1.5;margin-bottom:10px;}
.hcard-body p{font-size:15px;color:var(--muted);line-height:1.78;}
.hcard-link{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:14px;font-size:14.5px;font-weight:600;color:var(--brand);
}
.hcard-link:hover{text-decoration:none;color:var(--brand-deep);gap:10px;}

/* ---------- 核对清单 ---------- */
.checklist-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  padding:34px;
}
.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.step{
  display:flex;gap:16px;
  background:var(--bg);border:1px solid var(--line);
  border-radius:var(--radius-m);padding:20px 22px;
  transition:border-color .22s ease,background .22s ease;
}
.step:hover{border-color:rgba(91,59,232,.4);background:#FBFAFF;}
.step-idx{
  flex:none;width:34px;height:34px;border-radius:50%;
  background:var(--brand);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:15px;
}
.step h3{font-size:16.5px;margin-bottom:6px;color:var(--text);}
.step p{font-size:14.5px;color:var(--muted);line-height:1.72;}

/* ---------- 安全设置对照 ---------- */
.spec-table{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-l);overflow:hidden;
}
.spec-row{
  display:grid;grid-template-columns:1.05fr 1fr 1.75fr;gap:18px;
  padding:20px 26px;border-top:1px solid var(--line);align-items:center;
}
.spec-row:first-child{border-top:none;}
.spec-row.head{
  background:#F1EEFF;font-weight:700;color:var(--brand-deep);
  font-size:14.5px;letter-spacing:.03em;
}
.spec-name{font-weight:700;color:var(--text);font-size:15.5px;}
.spec-state{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:600;color:#0C8F76;
}
.spec-state::before{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none;
}
.spec-desc{font-size:14.8px;color:var(--muted);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{
  border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;margin-bottom:12px;background:#fff;
}
.faq-acc .accordion-item:last-child{margin-bottom:0;}
.faq-acc .accordion-button{
  font-size:16.5px;font-weight:600;color:var(--text);
  padding:20px 24px;background:#fff;box-shadow:none;
  border-radius:var(--radius-m);line-height:1.6;
}
.faq-acc .accordion-button:focus{box-shadow:none;outline:none;}
.faq-acc .accordion-button:focus-visible{outline:3px solid var(--accent);outline-offset:-3px;}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--brand-deep);box-shadow:var(--shadow-1);
  border-left:4px solid var(--accent);
}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;
  width:auto;height:auto;
  font-size:22px;font-weight:400;color:var(--brand);
  line-height:1;display:flex;align-items:center;justify-content:center;
  transition:color .2s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";color:var(--accent);}
.faq-acc .accordion-body{
  padding:0 24px 22px;font-size:15.5px;color:#43455E;line-height:1.85;
}

/* ---------- 咨询入口条 ---------- */
.consult-strip{padding-bottom:96px;}
.strip{
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  background:var(--dark);border-radius:var(--radius-l);
  padding:44px 46px;position:relative;overflow:hidden;
}
.strip::before{
  content:"";position:absolute;left:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(91,59,232,.5),rgba(91,59,232,0) 70%);
}
.strip-text{position:relative;z-index:2;max-width:640px;}
.strip-text h2{color:#fff;font-size:clamp(22px,2.3vw,30px);margin:14px 0 10px;}
.strip-text p{color:rgba(255,255,255,.76);font-size:15.5px;}
.strip-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;flex:none;}
.pill-dark{
  background:rgba(18,194,160,.16);color:#8DF3DE;border-color:rgba(18,194,160,.34);
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding:70px 0 26px;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;color:#fff;font-size:17px;margin-bottom:16px;}
.footer-brand .brand-mark{background:linear-gradient(140deg,var(--brand),var(--accent));}
.site-footer p{font-size:14.8px;line-height:1.8;color:rgba(255,255,255,.66);max-width:380px;}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:16px;font-weight:700;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-links a:hover{color:var(--accent);text-decoration:none;}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding-top:24px;font-size:13.5px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-link{padding:9px 12px;font-size:14.5px;}
  .section{padding:80px 0;}
}
@media (max-width:991.98px){
  .nav-links,.nav-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .nav-pill{justify-content:space-between;}
  .site-header{position:sticky;padding-top:12px;}
  .nav-drawer{top:74px;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .hcard-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .strip{flex-direction:column;align-items:flex-start;padding:38px 32px;}
  .spec-row{grid-template-columns:1fr 1fr;gap:10px 18px;}
  .spec-row .spec-desc{grid-column:1 / -1;}
  .spec-row.head{display:none;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .section{padding:64px 0;}
  .page-banner{padding:44px 0 40px;border-radius:0 0 24px 24px;}
  .banner-facts{gap:16px 24px;}
  .checklist-wrap{padding:22px;}
  .hcard{grid-template-columns:1fr;}
  .hcard-media{min-height:190px;position:relative;}
  .spec-row{grid-template-columns:1fr;padding:18px 20px;gap:8px;}
  .strip{padding:32px 24px;gap:24px;}
  .strip-actions{width:100%;}
  .strip-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px;}
  .metric-grid{grid-template-columns:1fr;}
  .banner-actions .btn{flex:1 1 100%;}
  .btn{font-size:15px;padding:13px 22px;}
  .section{padding:56px 0;}
  .consult-strip{padding-bottom:68px;}
}