/* roulang page: index */
:root{
  --primary:#6A3DF0;
  --primary-deep:#4A22C4;
  --accent:#C8F551;
  --alert:#FF6B4A;
  --ink:#16152B;
  --ink-2:#5B5A73;
  --line:#E6E4F2;
  --bg:#F5F4FB;
  --surface:#FFFFFF;
  --radius-lg:24px;
  --radius:18px;
  --radius-sm:14px;
  --radius-btn:12px;
  --shadow-1:0 2px 6px rgba(22,21,43,.06);
  --shadow-2:0 12px 28px rgba(74,34,196,.16);
  --container:1200px;
  --header-h:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding-bottom:88px;
  background:var(--bg);color:var(--ink-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink);font-weight:700;line-height:1.25;margin:0}
h1{font-size:44px;letter-spacing:-.5px}
h2{font-size:32px;letter-spacing:-.3px}
h3{font-size:22px}
h4{font-size:18px}
p{margin:0}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease}
a:hover{color:var(--primary-deep)}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
input,textarea,select{font:inherit}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
:focus-visible{outline:3px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border:0;border-radius:var(--radius-btn);
  font-size:16px;font-weight:700;line-height:1;white-space:nowrap;
  transition:transform .18s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.btn--accent{
  background:var(--accent);color:var(--ink);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%);
}
.btn--accent:hover{background:#BCE93F;color:var(--ink);transform:translateY(-1px)}
.btn--accent:active{transform:translateY(1px)}
.btn--primary{background:var(--primary);color:#fff}
.btn--primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-1px)}
.btn--ghost{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.7)}
.btn--ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn--outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}
.btn--outline:hover{background:var(--primary);color:#fff}
.btn--sm{height:40px;padding:0 20px;font-size:14px}
.btn--block{width:100%}
.btn svg{width:16px;height:16px;flex:none;transition:transform .2s ease}
.btn:hover svg{transform:translateX(3px)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;color:var(--primary)}
.link-more:hover{gap:10px}

/* ===== 徽章 / 标签 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:500;
  letter-spacing:.08em;background:#F0EBFF;color:var(--primary-deep);
}
.badge--accent{background:rgba(200,245,81,.22);color:#3B4B00}
.badge--alert{background:rgba(255,107,74,.14);color:#C1391A}
.pill{
  display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:14px;
}
.pill.is-active{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:90;width:100%;
  background:rgba(255,255,255,.94);border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,background-color .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 4px 18px rgba(22,21,43,.07)}
.nav-inner{display:flex;align-items:center;gap:28px;height:var(--header-h);transition:height .25s ease}
.site-header.is-scrolled .nav-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand__mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  display:flex;align-items:center;justify-content:center;color:var(--accent);
}
.brand__mark svg{width:20px;height:20px}
.brand__text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px;white-space:nowrap}
.brand__text em{font-style:normal;color:var(--primary);margin-left:5px;font-weight:700}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  position:relative;padding:0 14px;height:40px;display:inline-flex;align-items:center;
  border-radius:12px;font-size:15px;font-weight:500;color:var(--ink-2);
}
.main-nav a:hover{color:var(--primary);background:#F3F0FF}
.main-nav a.is-active{color:var(--ink);font-weight:700}
.main-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:3px;background:var(--primary);
}
.nav-right{display:flex;align-items:center;gap:12px;flex:none}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;color:var(--ink);align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}
.nav-toggle i{font-size:18px}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(22,21,43,.5);z-index:120;opacity:0;pointer-events:none;transition:opacity .25s ease}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);z-index:130;
  background:#fff;transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:20px;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer__close{width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)}
.drawer__close:hover{border-color:var(--primary);color:var(--primary)}
.drawer__nav{display:flex;flex-direction:column;margin-top:8px}
.drawer__nav a{
  height:56px;display:flex;align-items:center;font-size:18px;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer__nav a.is-active{color:var(--primary);font-weight:700}
.drawer__nav a:hover{color:var(--primary)}
.drawer__cta{margin-top:auto}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center 30%;
  padding:88px 0 96px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(22,21,43,.95) 6%,rgba(36,28,74,.82) 46%,rgba(22,21,43,.42) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:flex;align-items:center;gap:56px}
.hero-copy{flex:1 1 58%;max-width:660px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:20px;
  padding:6px 14px;border-radius:999px;font-size:13px;letter-spacing:.08em;
  background:rgba(200,245,81,.16);color:var(--accent);border:1px solid rgba(200,245,81,.35);
}
.hero h1{color:#fff;font-size:46px;margin-bottom:18px}
.hero h1 span{color:var(--accent)}
.hero-sub{font-size:18px;color:rgba(255,255,255,.86);margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px}
.hero-points span{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  font-size:13px;color:rgba(255,255,255,.9);background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
}
.hero-points i{color:var(--accent);font-size:12px}
.hero-side{flex:1 1 42%;max-width:440px}
.hero-card{
  border-radius:var(--radius);overflow:hidden;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);box-shadow:0 24px 48px rgba(0,0,0,.28);
}
.hero-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-card__body{padding:16px 20px;display:flex;flex-direction:column;gap:2px}
.hero-card__body strong{color:#fff;font-size:15px}
.hero-card__body span{font-size:13px;color:rgba(255,255,255,.72)}

/* ===== 通用板块 ===== */
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--dark{background:linear-gradient(135deg,#16152B,#241C4A);color:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.section-head .eyebrow{
  display:inline-block;margin-bottom:12px;font-size:12px;letter-spacing:.14em;
  color:var(--primary);font-weight:700;
}
.section-head p{margin-top:12px;font-size:16px;color:var(--ink-2);max-width:640px}
.section--dark .section-head p{color:rgba(255,255,255,.72)}
.section--dark .section-head h2{color:#fff}

/* ===== 卖点三连 ===== */
.cards-grid{margin-left:-12px;margin-right:-12px}
.cards-grid>.cell{padding-left:12px;padding-right:12px;margin-bottom:24px}
.feature-row{align-items:flex-start}
.feature-card{
  position:relative;height:100%;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:32px 28px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--primary)}
.feature-card .idx{
  display:block;font-size:14px;font-weight:700;letter-spacing:.12em;color:var(--primary);
  margin-bottom:18px;
}
.feature-card .ico{
  width:48px;height:48px;border-radius:14px;background:#F3F0FF;color:var(--primary);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.feature-card .ico i{font-size:20px}
.feature-card h3{margin-bottom:10px}
.feature-card p{font-size:15px;color:var(--ink-2)}
.feature-card--lift{
  margin-top:-24px;background:linear-gradient(150deg,var(--primary),var(--primary-deep));
  border-color:transparent;color:rgba(255,255,255,.86);
}
.feature-card--lift h3,.feature-card--lift .idx{color:#fff}
.feature-card--lift p{color:rgba(255,255,255,.8)}
.feature-card--lift .ico{background:rgba(255,255,255,.16);color:var(--accent)}
.feature-card--lift:hover{border-color:transparent}

/* ===== 场景演示 ===== */
.demo-grid{gap:40px;align-items:center}
.demo-media{
  border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.demo-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.demo-media:hover img{transform:scale(1.04)}
.demo-tabs{display:flex;gap:8px;padding:16px 18px;border-top:1px solid var(--line);overflow-x:auto}
.demo-tabs span{
  flex:none;padding:6px 14px;border-radius:999px;font-size:13px;
  background:#F5F4FB;color:var(--ink-2);border:1px solid var(--line);
}
.demo-tabs span.is-active{background:var(--primary);color:#fff;border-color:var(--primary)}
.demo-list li{
  display:flex;gap:16px;padding:20px 0;border-bottom:1px dashed var(--line);
}
.demo-list li:first-child{padding-top:0}
.demo-list li:last-child{border-bottom:0;padding-bottom:0}
.demo-list .ico{
  width:44px;height:44px;flex:none;border-radius:12px;background:#F3F0FF;color:var(--primary);
  display:flex;align-items:center;justify-content:center;
}
.demo-list h3{font-size:17px;margin-bottom:4px}
.demo-list p{font-size:14px;color:var(--ink-2)}

/* ===== 数据与评价 ===== */
.stats-wrap{
  border-radius:var(--radius-lg);padding:64px 48px;position:relative;overflow:hidden;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:22px 22px;
}
.stats-row{display:flex;flex-wrap:wrap;gap:24px;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:44px;margin-bottom:44px}
.stat{flex:1 1 180px}
.stat b{display:block;font-size:40px;font-weight:700;color:#fff;line-height:1.1}
.stat b em{font-style:normal;color:var(--accent);font-size:24px}
.stat span{display:block;margin-top:8px;font-size:12px;letter-spacing:.1em;color:rgba(255,255,255,.6)}
.quote-row{display:flex;gap:20px;overflow-x:auto;padding-bottom:4px}
.quote{
  flex:1 1 300px;min-width:280px;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-sm);padding:24px;
}
.quote p{color:rgba(255,255,255,.88);font-size:15px;margin-bottom:18px}
.quote .who{display:flex;align-items:center;gap:12px}
.quote .who i{
  width:38px;height:38px;border-radius:50%;background:rgba(200,245,81,.2);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:14px;flex:none;
}
.quote .who strong{display:block;color:#fff;font-size:14px;font-weight:500}
.quote .who span{font-size:12px;color:rgba(255,255,255,.55)}

/* ===== 内容列表 ===== */
.info-card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D9D2F8}
.info-card__link{display:block;height:100%;color:inherit}
.info-card__link:hover{color:inherit}
.info-card__media{display:block;position:relative;overflow:hidden;background:#EEECF7}
.info-card__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.info-card:hover .info-card__media img{transform:scale(1.04)}
.info-card__badge{
  position:absolute;top:14px;left:14px;padding:4px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.06em;background:rgba(200,245,81,.92);color:#25320A;font-weight:500;
}
.info-card__body{display:block;padding:22px 22px 20px}
.info-card__title{
  font-size:18px;line-height:1.5;margin-bottom:10px;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.info-card__desc{
  font-size:14px;color:var(--ink-2);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.info-card__meta{
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:#8B89A3;border-top:1px solid var(--line);padding-top:14px;
}
.info-card__meta em{font-style:normal}
.info-card__arrow{color:var(--primary);font-weight:700;transition:transform .2s ease}
.info-card:hover .info-card__arrow{transform:translateX(4px)}
.info-empty{
  border:1px dashed #CFC7EE;border-radius:var(--radius);background:#FBFAFF;
  padding:56px 24px;text-align:center;
}
.info-empty i{font-size:26px;color:var(--primary);margin-bottom:14px;display:block}
.info-empty p{margin-bottom:18px;color:var(--ink-2)}

/* ===== FAQ ===== */
.faq-wrap{max-width:880px;margin:0 auto}
.accordion{background:transparent;border:0;margin:0}
.accordion .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:12px;box-shadow:var(--shadow-1);overflow:hidden;
}
.accordion .accordion-item:last-child{margin-bottom:0}
.accordion .accordion-title{
  display:flex;align-items:center;gap:12px;padding:18px 22px;border:0;
  font-size:17px;font-weight:500;color:var(--ink);background:transparent;
}
.accordion .accordion-title:hover{background:#FAF9FF;color:var(--primary)}
.accordion .accordion-item.is-active .accordion-title{color:var(--primary)}
.accordion .accordion-title::before{
  content:"\FF0B";float:none;margin-left:auto;color:var(--primary);font-weight:400;font-size:16px;
}
.accordion .accordion-item.is-active .accordion-title::before{content:"\FF0D"}
.accordion .accordion-content{
  padding:0 22px 20px 62px;border:0;background:#FBFAFF;font-size:15px;color:var(--ink-2);
}
.q-mark{
  width:28px;height:28px;flex:none;border-radius:50%;background:#F3F0FF;color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
}

/* ===== 底部 CTA ===== */
.cta-box{
  border-radius:var(--radius-lg);padding:56px 48px;
  background:linear-gradient(120deg,#6A3DF0,#4A22C4);
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 20px 44px rgba(74,34,196,.24);
}
.cta-box h2{color:#fff;margin-bottom:10px}
.cta-box p{color:rgba(255,255,255,.82);font-size:16px}

/* ===== 固定转化条 ===== */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:#1C1838;border-top:1px solid var(--accent);
  box-shadow:0 -6px 20px rgba(22,21,43,.18);
}
.sticky-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.sticky-cta__text{color:rgba(255,255,255,.9);font-size:14px}
.sticky-cta__text b{color:var(--accent);font-weight:700}

/* ===== 页脚 ===== */
.site-footer{
  background:#16152B;color:rgba(255,255,255,.66);border-top:1px solid var(--primary);
  padding-top:64px;
}
.footer-grid{display:flex;flex-wrap:wrap;gap:40px;padding-bottom:48px}
.footer-col{flex:1 1 200px}
.footer-col--brand{flex:1 1 300px;max-width:340px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand__mark{width:34px;height:34px}
.footer-brand strong{color:#fff;font-size:16px}
.footer-col p{font-size:14px;line-height:1.9;margin-bottom:18px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:38px;height:38px;border-radius:11px;border:1px solid rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);
}
.footer-social a:hover{background:var(--accent);color:var(--ink);border-color:var(--accent)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px}
.footer-col li{margin-bottom:12px}
.footer-col li a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col li a:hover{color:var(--accent);transform:translateX(2px);display:inline-block}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom nav a{color:rgba(255,255,255,.55)}
.footer-bottom nav a:hover{color:var(--accent)}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  h1{font-size:38px}
  .hero h1{font-size:38px}
  h2{font-size:28px}
  .container{padding:0 24px}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .nav-right .btn--accent{display:none}
  .hero{padding:64px 0 72px}
  .hero-grid{flex-direction:column;gap:36px}
  .hero-copy,.hero-side{flex:1 1 auto;max-width:100%}
  .section{padding:72px 0}
  .stats-wrap{padding:48px 28px}
  .cta-box{flex-direction:column;align-items:flex-start;padding:40px 28px}
  .feature-card--lift{margin-top:0}
}
@media (max-width:767px){
  body{font-size:15px;padding-bottom:80px}
  h1{font-size:30px}
  .hero h1{font-size:30px}
  h2{font-size:24px}
  h3{font-size:19px}
  .section{padding:56px 0}
  .container{padding:0 16px}
  .cards-grid{margin-left:-8px;margin-right:-8px}
  .cards-grid>.cell{padding-left:8px;padding-right:8px}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:28px}
  .hero-actions .btn{width:100%}
  .sticky-cta__inner{height:56px}
  .sticky-cta__text{font-size:13px}
  .stat{flex:1 1 40%}
  .stat b{font-size:30px}
  .footer-grid{gap:28px}
  .footer-col{flex:1 1 100%}
  .footer-bottom{flex-direction:column}
}
@media (max-width:480px){
  h1{font-size:27px}
  .hero h1{font-size:27px}
  .feature-card{padding:24px 20px}
  .info-card__body{padding:18px 16px}
  .stat b{font-size:26px}
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
:root{
  --primary:#6A3DF0;
  --primary-deep:#4A22C4;
  --accent:#C8F551;
  --alert:#FF6B4A;
  --ink:#16152B;
  --ink-2:#5B5A73;
  --line:#E6E4F2;
  --bg:#F5F4FB;
  --surface:#FFFFFF;
  --radius-xl:24px;
  --radius:18px;
  --radius-sm:14px;
  --radius-btn:12px;
  --shadow-1:0 2px 6px rgba(22,21,43,.06);
  --shadow-2:0 12px 28px rgba(74,34,196,.16);
  --container:1200px;
  --header-h:76px;
}

/* ========== 基础 reset ========== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0 0 76px;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease;}
a:hover{color:var(--primary-deep);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{color:var(--ink);font-weight:700;line-height:1.3;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* Foundation 默认外观覆盖 */
body,p,li,td,th,label{font-family:inherit;}
a.button,button.button,.button{
  background:none;border:0;border-radius:0;padding:0;margin:0;color:inherit;font-size:inherit;
}
table{border-collapse:collapse;width:100%;}
[type="text"],[type="email"],[type="search"],textarea{
  border:1px solid var(--line);border-radius:10px;box-shadow:none;height:44px;margin:0;
  background:var(--surface);color:var(--ink);
}
[type="text"]:focus,[type="email"]:focus,[type="search"]:focus,textarea:focus{
  border-color:var(--primary);box-shadow:0 0 0 2px rgba(106,61,240,.18);
}

/* ========== 容器与板块 ========== */
.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  width:100%;
}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--flush-top{padding-top:0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.08em;
  font-weight:500;
  color:var(--primary);
  background:rgba(106,61,240,.09);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:16px;
}
.section-head h2{font-size:32px;margin-bottom:12px;}
.section-head .lead{font-size:16px;color:var(--ink-2);max-width:640px;}
.section-head--center .lead{margin:0 auto;}

/* ========== 按钮 ========== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--radius-btn);
  font-weight:700;
  font-size:15px;
  white-space:nowrap;
  transition:filter .2s ease,transform .15s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn__arrow{display:inline-block;transition:transform .2s ease;}
.btn-primary{
  background:var(--accent);
  color:var(--ink);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%);
}
.btn-primary:hover{filter:brightness(.94);color:var(--ink);}
.btn-primary:hover .btn__arrow{transform:translateX(3px);}
.btn-primary:active{transform:translateY(1px);}
.btn-primary:focus-visible{outline:none;filter:drop-shadow(0 0 4px rgba(106,61,240,.9));}
.btn-solid{
  background:var(--primary);
  color:#fff;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%);
}
.btn-solid:hover{background:var(--primary-deep);color:#fff;}
.btn-solid:hover .btn__arrow{transform:translateX(3px);}
.btn-solid:active{transform:translateY(1px);}
.btn-outline{
  border:1.5px solid var(--primary);
  color:var(--primary);
  background:transparent;
}
.btn-outline:hover{background:var(--primary);color:#fff;}
.btn-ghost{
  border:1.5px solid rgba(255,255,255,.55);
  color:#fff;
  background:rgba(255,255,255,.08);
}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}

/* ========== 顶部导航 ========== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  transition:height .25s ease,box-shadow .25s ease,background-color .25s ease;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:var(--header-h);
  transition:height .25s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(22,21,43,.08);background:#fff;}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);}
.brand:hover{color:var(--primary);}
.brand__mark{
  width:38px;height:38px;flex:0 0 38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;
}
.brand__mark svg{width:21px;height:21px;}
.brand strong{font-size:17px;font-weight:700;letter-spacing:.01em;}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav a{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  border-radius:12px;
  color:var(--ink);
  font-size:15px;
  font-weight:500;
  position:relative;
  transition:color .2s ease,background-color .2s ease;
}
.main-nav a:hover{color:var(--primary);background:rgba(106,61,240,.08);}
.main-nav a.is-active{color:var(--ink);font-weight:700;}
.main-nav a.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:-19px;
  height:3px;
  border-radius:3px;
  background:var(--primary);
}
.site-header.is-scrolled .main-nav a.is-active::after{bottom:-11px;}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  color:var(--ink);
  font-size:18px;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}

/* 移动抽屉 */
.nav-scrim{
  position:fixed;inset:0;background:rgba(22,21,43,.5);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:70;
}
.nav-scrim.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;
  width:min(88vw,360px);
  background:#fff;
  z-index:80;
  transform:translateX(102%);
  transition:transform .3s ease;
  display:flex;flex-direction:column;
  padding:22px 20px 28px;
  overflow-y:auto;
  box-shadow:-12px 0 32px rgba(22,21,43,.18);
}
.nav-drawer.is-open{transform:translateX(0);}
.nav-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.nav-drawer__head strong{font-size:16px;color:var(--ink);}
.nav-drawer__close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);
}
.nav-drawer__list{flex:1;}
.nav-drawer__list a{
  display:flex;align-items:center;
  height:56px;
  font-size:18px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.nav-drawer__list a.is-active{color:var(--primary);font-weight:700;}
.nav-drawer__cta{margin-top:22px;}
body.nav-locked{overflow:hidden;}

/* ========== 分类页 Hero ========== */
.page-hero{
  position:relative;
  color:#fff;
  background:
    linear-gradient(100deg,rgba(22,21,43,.95) 0%,rgba(22,21,43,.80) 45%,rgba(22,21,43,.46) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:52px 0 78px;
}
.page-hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(200,245,81,.5),transparent);
}
.hero-inner{max-width:840px;}
.breadcrumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb span[aria-hidden]{color:rgba(255,255,255,.4);}
.breadcrumb__current{color:var(--accent);font-weight:500;}
.page-hero h1{
  color:#fff;
  font-size:44px;
  line-height:1.2;
  margin-bottom:16px;
  letter-spacing:-.01em;
}
.hero-sub{font-size:17px;color:rgba(255,255,255,.82);max-width:620px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.hero-badges li{
  font-size:13px;
  letter-spacing:.06em;
  color:#fff;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.08);
}

/* ========== 数据统计条 ========== */
.stats-wrap{margin-top:-44px;position:relative;z-index:5;}
.stats-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.stat{
  padding:28px 24px;
  border-right:1px solid var(--line);
  text-align:center;
}
.stat:last-child{border-right:0;}
.stat__num{
  display:block;
  font-size:34px;
  font-weight:700;
  color:var(--ink);
  line-height:1.2;
  letter-spacing:-.01em;
}
.stat__num em{font-style:normal;color:var(--primary);font-size:20px;margin-left:2px;}
.stat__label{display:block;margin-top:6px;font-size:13px;letter-spacing:.06em;color:var(--ink-2);}

/* ========== 图文交错 ========== */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.split + .split{margin-top:88px;}
.split--reverse .split__media{order:2;}
.split--reverse .split__body{order:1;}
.split__media{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  background:#eee;
}
.split__media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.split__body h3{font-size:26px;margin-bottom:14px;}
.split__body p{font-size:16px;color:var(--ink-2);margin-bottom:16px;}
.split__body p:last-of-type{margin-bottom:22px;}
.spec-list li{
  position:relative;
  padding-left:22px;
  font-size:15px;
  color:var(--ink-2);
  margin-bottom:10px;
}
.spec-list li::before{
  content:"";
  position:absolute;
  left:2px;top:11px;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--accent);
  box-shadow:0 0 0 3px rgba(200,245,81,.28);
}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;color:var(--primary);
}
.text-link:hover{color:var(--primary-deep);}
.text-link .btn__arrow{transition:transform .2s ease;}
.text-link:hover .btn__arrow{transform:translateX(3px);}

/* ========== 时间线 ========== */
.timeline-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:48px 48px 36px;
  box-shadow:var(--shadow-1);
}
.timeline{position:relative;padding-left:30px;}
.timeline::before{
  content:"";
  position:absolute;left:5px;top:8px;bottom:12px;width:3px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--primary),rgba(106,61,240,.18));
}
.timeline__item{position:relative;padding-bottom:34px;}
.timeline__item:last-child{padding-bottom:0;}
.timeline__dot{
  position:absolute;left:-31px;top:7px;
  width:13px;height:13px;border-radius:50%;
  background:#fff;
  border:3px solid var(--primary);
}
.timeline__item:last-child .timeline__dot{background:var(--accent);border-color:var(--primary);}
.timeline__stage{
  display:inline-block;
  font-size:12px;letter-spacing:.08em;font-weight:500;
  color:var(--primary);
  background:rgba(106,61,240,.09);
  border-radius:999px;
  padding:3px 12px;
  margin-bottom:8px;
}
.timeline__title{font-size:19px;margin-bottom:6px;}
.timeline__text{font-size:15px;color:var(--ink-2);max-width:640px;}

/* ========== 要点区 ========== */
.points{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0 40px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:12px 40px;
  box-shadow:var(--shadow-1);
}
.point{
  display:flex;
  gap:16px;
  padding:26px 0;
  border-bottom:1px dashed var(--line);
}
.points .point:nth-last-child(-n+2){border-bottom:0;}
.point__icon{
  flex:0 0 44px;width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(106,61,240,.10);
  color:var(--primary);
  font-size:17px;
}
.point h3{font-size:17px;margin-bottom:6px;}
.point p{font-size:14px;color:var(--ink-2);}

/* ========== 底部 CTA ========== */
.cta-band{
  background:linear-gradient(135deg,#6A3DF0,#4A22C4);
  border-radius:var(--radius-xl);
  padding:52px 56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;right:-60px;top:-60px;
  width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,245,81,.22),transparent 68%);
}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:10px;position:relative;}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;max-width:560px;position:relative;}
.cta-band .btn{position:relative;flex:0 0 auto;}

/* ========== 页脚 ========== */
.site-footer{
  background:var(--ink);
  border-top:1px solid rgba(200,245,81,.35);
  color:rgba(255,255,255,.66);
  padding:72px 0 26px;
  margin-top:96px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.04em;}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{color:rgba(255,255,255,.66);font-size:14px;display:inline-block;}
.footer-col ul li a:hover{color:var(--accent);transform:translateX(2px);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand__mark{background:linear-gradient(135deg,var(--primary),var(--primary-deep));}
.footer-brand strong{color:#fff;font-size:17px;}
.footer-col--brand p{font-size:14px;color:rgba(255,255,255,.6);max-width:320px;margin-bottom:20px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:40px;height:40px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);
  color:rgba(255,255,255,.78);
  border:1px solid rgba(255,255,255,.10);
}
.footer-social a:hover{background:var(--accent);color:var(--ink);border-color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding-top:24px;
  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 nav{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom nav a{color:rgba(255,255,255,.55);font-size:13px;}
.footer-bottom nav a:hover{color:var(--accent);}

/* ========== 底部固定转化条 ========== */
.fixed-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:55;
  height:64px;
  background:linear-gradient(90deg,#241C4A,#16152B);
  border-top:1px solid var(--accent);
  display:flex;align-items:center;
}
.fixed-bar .container{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.fixed-bar__text{
  color:#fff;font-size:14px;font-weight:500;letter-spacing:.02em;
  display:flex;align-items:center;gap:10px;
}
.fixed-bar__text i{color:var(--accent);}

/* ========== 响应式 ========== */
@media (max-width:1199px){
  .main-nav a{padding:0 11px;font-size:14px;}
  .split{gap:40px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn{display:none;}
  .site-header .header-inner{height:64px;}
  .site-header.is-scrolled .header-inner{height:58px;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .page-hero{padding:40px 0 64px;}
  .page-hero h1{font-size:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{padding-bottom:68px;}
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:24px;}
  .page-hero h1{font-size:30px;}
  .page-hero{padding:32px 0 56px;}
  .hero-sub{font-size:15px;margin-bottom:24px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .stats-bar{grid-template-columns:1fr 1fr;}
  .stat{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 14px;}
  .stat:nth-child(2n){border-right:0;}
  .stat:nth-last-child(-n+2){border-bottom:0;}
  .stat__num{font-size:26px;}
  .split{grid-template-columns:1fr;gap:26px;}
  .split--reverse .split__media{order:0;}
  .split--reverse .split__body{order:0;}
  .split + .split{margin-top:56px;}
  .split__body h3{font-size:22px;}
  .timeline-panel{padding:32px 20px 24px;}
  .points{grid-template-columns:1fr;padding:8px 22px;}
  .points .point:nth-last-child(-n+2){border-bottom:1px dashed var(--line);}
  .points .point:last-child{border-bottom:0;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 24px;gap:22px;}
  .cta-band h2{font-size:23px;}
  .cta-band .btn{width:100%;}
  .site-footer{margin-top:64px;padding-top:52px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .fixed-bar{height:56px;}
  .fixed-bar__text{font-size:13px;}
  .fixed-bar__text span.long{display:none;}
}
@media (max-width:479px){
  .stat__num{font-size:23px;}
  .page-hero h1{font-size:26px;}
  .points{padding:6px 16px;}
  .point{padding:20px 0;}
  .cta-band h2{font-size:21px;}
  .fixed-bar .btn{padding:0 16px;}
}

/* roulang page: article */
:root{
  --primary:#6A3DF0;
  --primary-deep:#4A22C4;
  --primary-soft:#F1ECFE;
  --accent:#C8F551;
  --accent-deep:#BDE946;
  --alert:#FF6B4A;
  --ink:#16152B;
  --ink-2:#5B5A73;
  --line:#E6E4F2;
  --bg:#F5F4FB;
  --surface:#FFFFFF;
  --radius-lg:24px;
  --radius:18px;
  --radius-sm:14px;
  --radius-btn:12px;
  --shadow-1:0 2px 6px rgba(22,21,43,.06);
  --shadow-2:0 12px 28px rgba(74,34,196,.16);
  --container:1200px;
  --sec-y:96px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",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:1.8;
  color:var(--ink-2);
  background:var(--bg);
  padding-bottom:88px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol,dl{margin:0;padding:0;}
h1,h2,h3,h4{color:var(--ink);font-weight:700;line-height:1.25;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease,box-shadow .2s ease;}
button{font-family:inherit;cursor:pointer;}
svg{display:block;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.tnum{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.container .row{max-width:none;margin-left:-12px;margin-right:-12px;}
.container .row .columns{padding-left:12px;padding-right:12px;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border:0;border-radius:var(--radius-btn);
  font-size:16px;font-weight:700;letter-spacing:.02em;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn svg{width:18px;height:18px;transition:transform .2s ease;}
.btn--primary{
  background:var(--accent);color:var(--ink);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%);
}
.btn--primary:hover{background:var(--accent-deep);}
.btn--primary:hover svg{transform:translateX(3px);}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{background:transparent;border:1.5px solid var(--primary);color:var(--primary);}
.btn--ghost:hover{background:var(--primary);color:#fff;}
.btn--light{background:rgba(255,255,255,.12);border:1.5px solid rgba(255,255,255,.5);color:#fff;}
.btn--light:hover{background:rgba(255,255,255,.22);}
.btn--sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn--block{width:100%;}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 4px 16px rgba(22,21,43,.07);}
.header-inner{display:flex;align-items:center;gap:20px;height:76px;transition:height .25s ease;}
.site-header.is-stuck .header-inner{height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
}
.brand__mark svg{width:20px;height:20px;}
.brand__name{font-weight:700;color:var(--ink);font-size:17px;letter-spacing:.01em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.main-nav a{
  position:relative;padding:10px 14px;border-radius:12px;
  font-size:15px;font-weight:500;color:var(--ink);white-space:nowrap;
}
.main-nav a:hover{color:var(--primary);background:var(--primary-soft);}
.main-nav a.is-active{font-weight:700;}
.main-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;
  border-radius:2px;background:var(--primary);
}
.header-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border:0;border-radius:12px;background:var(--primary-soft);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);}

/* ===== 移动抽屉 ===== */
.drawer{position:fixed;inset:0;z-index:90;visibility:hidden;opacity:0;transition:opacity .25s ease,visibility .25s ease;}
.drawer.is-open{visibility:visible;opacity:1;}
.drawer__panel{
  position:absolute;inset:0;background:#fff;padding:18px 20px 32px;
  display:flex;flex-direction:column;transform:translateY(-14px);transition:transform .3s ease;
}
.drawer.is-open .drawer__panel{transform:none;}
.drawer__head{display:flex;align-items:center;justify-content:space-between;height:56px;border-bottom:1px solid var(--line);}
.drawer__close{
  width:44px;height:44px;border:0;border-radius:12px;background:var(--primary-soft);
  color:var(--ink);font-size:20px;line-height:1;
}
.drawer__nav{padding:8px 0 20px;}
.drawer__nav a{display:block;font-size:18px;line-height:56px;color:var(--ink);border-bottom:1px solid var(--line);}
.drawer__nav a:hover{color:var(--primary);}
.drawer__foot{margin-top:auto;}
body.drawer-open{overflow:hidden;}

/* ===== 面包屑 ===== */
.breadcrumb{background:#fff;border-bottom:1px solid var(--line);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--ink-2);}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:#C7C5DA;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .is-current{
  color:var(--primary);font-weight:500;max-width:560px;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap;
}

/* ===== 文章头部 ===== */
.article-hero{position:relative;overflow:hidden;border-bottom-left-radius:var(--radius-lg);border-bottom-right-radius:var(--radius-lg);}
.article-hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;}
.article-hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(22,21,43,.94) 8%,rgba(36,28,74,.74) 55%,rgba(36,28,74,.4) 100%);
}
.article-hero__inner{position:relative;z-index:1;padding-top:60px;padding-bottom:52px;}
.article-hero h1{
  color:#fff;font-size:44px;line-height:1.22;max-width:920px;
  letter-spacing:-.01em;word-break:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.18);
  font-size:13px;color:rgba(255,255,255,.72);
}
.article-meta .meta-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(200,245,81,.16);color:var(--accent);
  font-size:12px;font-weight:500;letter-spacing:.08em;
}
.article-meta a:hover{color:var(--accent);}

/* ===== 主体布局 ===== */
.article-layout{padding-top:56px;padding-bottom:var(--sec-y);}
.article-side{display:block;}

.article-content{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:40px;box-shadow:var(--shadow-1);
}
.article-content > *:first-child{margin-top:0;}
.article-content p{font-size:17px;line-height:1.95;color:var(--ink-2);margin-bottom:1.2em;}
.article-content h1{font-size:28px;margin:36px 0 16px;}
.article-content h2{
  position:relative;font-size:26px;margin:40px 0 16px;padding-left:16px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--primary);
}
.article-content h3{font-size:20px;margin:32px 0 12px;color:var(--ink);}
.article-content h4{font-size:17px;margin:24px 0 10px;color:var(--ink);}
.article-content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.article-content a:hover{color:var(--primary-deep);}
.article-content strong{color:var(--ink);}
.article-content img{border-radius:var(--radius-sm);width:100%;margin:24px 0 8px;}
.article-content figure{margin:24px 0;}
.article-content figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:8px;}
.article-content blockquote{
  margin:24px 0;padding:18px 22px;background:var(--primary-soft);
  border-left:3px solid var(--primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--ink);font-style:normal;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content ul,.article-content ol{margin:16px 0 22px;padding-left:22px;}
.article-content ul li,.article-content ol li{margin-bottom:10px;line-height:1.9;color:var(--ink-2);}
.article-content ul li{list-style:disc;}
.article-content ol li{list-style:decimal;}
.article-content ul li::marker,.article-content ol li::marker{color:var(--primary);}
.article-content table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
}
.article-content th,.article-content td{
  padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;
}
.article-content th{background:#FAF9FE;color:var(--ink);font-weight:500;}
.article-content code{
  background:#F1EFFB;border-radius:6px;padding:2px 6px;font-size:14px;color:var(--primary-deep);
}
.article-content hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

.article-empty{
  border:1px dashed var(--line);border-radius:var(--radius-sm);
  padding:48px 24px;text-align:center;background:#FBFAFF;
}
.article-empty h2{font-size:20px;margin-bottom:10px;}
.article-empty p{margin-bottom:18px;font-size:15px;}

.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary-deep);font-size:13px;letter-spacing:.04em;
}
.tag:hover{background:var(--primary);color:#fff;}

.article-back{margin-top:26px;}
.article-back a{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:500;font-size:15px;}
.article-back a svg{width:18px;height:18px;transition:transform .2s ease;}
.article-back a:hover{color:var(--primary-deep);}
.article-back a:hover svg{transform:translateX(-3px);}

/* ===== 相关推荐 ===== */
.related{margin-top:56px;}
.related__head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.related__head h2{font-size:28px;}
.related__head h2 span{color:var(--primary);}
.related__head a{font-size:14px;color:var(--primary);font-weight:500;}
.related__head a:hover{color:var(--primary-deep);}
.related-card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-1);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--primary);}
.related-card__img{aspect-ratio:16/10;overflow:hidden;background:var(--line);}
.related-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.related-card:hover .related-card__img img{transform:scale(1.04);}
.related-card__body{padding:18px;display:flex;flex-direction:column;flex:1 1 auto;}
.related-card__cat{
  display:inline-flex;align-self:flex-start;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;background:var(--primary-soft);color:var(--primary-deep);
  font-size:12px;letter-spacing:.06em;margin-bottom:12px;
}
.related-card h3{
  font-size:18px;line-height:1.4;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-card p{
  font-size:14px;color:var(--ink-2);line-height:1.7;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:#8A889C;padding-top:12px;border-top:1px solid var(--line);
}
.related-card__foot svg{width:16px;height:16px;color:var(--primary);transition:transform .2s ease;}
.related-card:hover .related-card__foot svg{transform:translateX(3px);}

/* ===== 侧栏 ===== */
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;margin-bottom:20px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:16px;padding-bottom:12px;margin-bottom:14px;border-bottom:1px solid var(--line);}
.side-card ol{counter-reset:hot;}
.side-card ol li a{
  display:flex;gap:10px;align-items:flex-start;padding:11px 0;font-size:14px;
  color:var(--ink);border-bottom:1px dashed var(--line);
}
.side-card ol li:last-child a{border-bottom:0;}
.side-card ol li a::before{
  counter-increment:hot;content:counter(hot,decimal-leading-zero);
  font-variant-numeric:tabular-nums;color:var(--primary);font-weight:700;font-size:13px;flex:0 0 auto;
}
.side-card ol li a:hover{color:var(--primary);}
.side-card__list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14px;color:var(--ink-2);border-bottom:1px dashed var(--line);
}
.side-card__list li:last-child a{border-bottom:0;}
.side-card__list a:hover{color:var(--primary);transform:translateX(2px);}
.side-card__list svg{width:16px;height:16px;color:var(--primary);flex:0 0 auto;}

/* ===== 底部 CTA ===== */
.cta-section{padding-bottom:var(--sec-y);}
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#6A3DF0,#4A22C4);
  border-radius:var(--radius-lg);padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:rgba(200,245,81,.14);
}
.cta-band__text{position:relative;z-index:1;max-width:640px;}
.cta-band h2{color:#fff;font-size:32px;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;}
.cta-band .btn{position:relative;z-index:1;flex:0 0 auto;}

/* ===== 固定转化条 ===== */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:#16152B;border-top:1px solid var(--accent);
}
.sticky-bar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;}
.sticky-bar__text{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.88);font-size:14px;}
.sticky-bar__text i{color:var(--accent);}
.sticky-bar .btn{flex:0 0 auto;}

/* ===== 页脚 ===== */
.site-footer{
  background:#16152B;border-top:1px solid var(--primary);
  color:rgba(255,255,255,.72);padding-top:72px;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand strong{color:#fff;font-size:18px;}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:340px;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.08);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:15px;
}
.footer-social a:hover{background:var(--accent);color:var(--ink);transform:translateY(-2px);}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{display:inline-block;font-size:14px;color:rgba(255,255,255,.7);}
.footer-col ul a:hover{color:var(--accent);transform:translateX(2px);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
  margin-top:56px;padding:24px 0;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom nav a:hover{color:var(--accent);}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .article-side{display:none;}
  .article-main{width:100%;float:none;padding-left:0;padding-right:0;}
}
@media (max-width:1023px){
  :root{--sec-y:72px;}
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-cta{margin-left:auto;}
  .article-hero h1{font-size:38px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{padding:40px;}
  .cta-band h2{font-size:28px;}
}
@media (max-width:767px){
  :root{--sec-y:56px;}
  .container{padding:0 16px;}
  .container .row{margin-left:-8px;margin-right:-8px;}
  .container .row .columns{padding-left:8px;padding-right:8px;}
  body{padding-bottom:76px;font-size:15px;}
  .article-hero h1{font-size:30px;}
  .article-hero__inner{padding-top:40px;padding-bottom:36px;}
  .article-content{padding:22px;border-radius:var(--radius-sm);}
  .article-content p{font-size:16px;line-height:1.9;}
  .article-content h2{font-size:22px;margin-top:32px;}
  .article-content h3{font-size:18px;}
  .related__head h2{font-size:24px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;border-radius:var(--radius);}
  .cta-band .btn{width:100%;}
  .sticky-bar__inner{height:56px;gap:10px;}
  .sticky-bar__text{font-size:13px;}
  .sticky-bar__text .sticky-bar__long{display:none;}
  .site-footer{padding-top:52px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{margin-top:36px;flex-direction:column;align-items:flex-start;}
}
@media (max-width:519px){
  .article-hero h1{font-size:26px;}
  .header-cta .btn{display:none;}
  .brand__name{font-size:15px;}
  .article-content{padding:18px;}
  .article-content p{font-size:15px;}
  .related__head{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* roulang page: category2 */
:root{
  --primary:#6A3DF0;
  --primary-deep:#4A22C4;
  --primary-soft:#F1EDFE;
  --accent:#C8F551;
  --accent-deep:#B4E33F;
  --alert:#FF6B4A;
  --ink:#16152B;
  --ink-2:#5B5A73;
  --line:#E6E4F2;
  --bg:#F5F4FB;
  --surface:#FFFFFF;
  --radius-lg:24px;
  --radius:18px;
  --radius-sm:14px;
  --radius-btn:12px;
  --shadow-1:0 2px 6px rgba(22,21,43,.06);
  --shadow-2:0 12px 28px rgba(74,34,196,.16);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  background:var(--bg);
  padding-bottom:64px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;line-height:1.28}
h1{font-size:44px}
h2{font-size:32px}
h3{font-size:22px}
h4{font-size:18px;font-weight:500}
p{margin:0}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary)}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
body.nav-locked{overflow:hidden}

.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}
.section{padding:96px 0}
.section--first{padding-top:0}
.section--soft{background:var(--surface)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  border:1.5px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .15s ease;
}
.btn__arrow{width:16px;height:16px;flex:none;transition:transform .22s ease}
.btn:hover .btn__arrow{transform:translateX(3px)}
.btn--primary{
  background-color:transparent;
  background-image:linear-gradient(315deg,transparent 10px,var(--accent) 11px);
  color:var(--ink);
}
.btn--primary:hover{
  background-image:linear-gradient(315deg,transparent 10px,var(--accent-deep) 11px);
  color:var(--ink);
}
.btn--primary:active{transform:translateY(1px)}
.btn--outline{border-color:var(--primary);color:var(--primary);background:var(--surface)}
.btn--outline:hover{background:var(--primary);border-color:var(--primary);color:#fff}
.btn--ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.45);color:#fff}
.btn--ghost:hover{background:#fff;border-color:#fff;color:var(--ink)}
.btn--sm{height:42px;padding:0 20px;font-size:14px}
.btn--lg{height:52px;padding:0 32px;font-size:16px}
.btn--block{display:flex;width:100%}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(22,21,43,.08)}
.header-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;
  height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px;
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand__mark{
  width:36px;height:36px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;display:flex;align-items:center;justify-content:center;
}
.brand__mark svg{width:20px;height:20px}
.brand__text{font-size:18px;font-weight:700;color:var(--ink);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{
  position:relative;padding:10px 14px;border-radius:12px;
  font-size:15px;font-weight:500;color:var(--ink-2);
  transition:background-color .2s ease,color .2s ease;
}
.main-nav a:hover{color:var(--primary);background:var(--primary-soft)}
.main-nav a.is-active{color:var(--ink);font-weight:700}
.main-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;
  border-radius:3px 3px 0 0;background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:none}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);
  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(--ink);transition:transform .25s ease}

/* ---------- 移动抽屉 ---------- */
.nav-scrim{
  position:fixed;inset:0;background:rgba(22,21,43,.55);z-index:110;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.nav-scrim.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,380px);
  background:var(--surface);z-index:120;
  transform:translateX(104%);
  transition:transform .32s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:18px 20px 26px;overflow-y:auto;
  box-shadow:-10px 0 30px rgba(22,21,43,.18);
}
.nav-drawer.is-open{transform:translateX(0)}
.nav-drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.nav-drawer__close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink)}
.nav-drawer__links{margin:8px 0 20px;flex:1}
.nav-drawer__links a{
  display:flex;align-items:center;height:56px;font-size:18px;
  color:var(--ink);border-bottom:1px solid var(--line);font-weight:500;
}
.nav-drawer__links a.is-active{color:var(--primary);font-weight:700}

/* ---------- 内页 Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink);color:#fff}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  opacity:.6;
}
.page-hero__mask{
  position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(22,21,43,.94) 0%,rgba(22,21,43,.8) 46%,rgba(36,28,74,.42) 100%);
}
.page-hero__inner{position:relative;max-width:var(--container);margin:0 auto;padding:52px 24px 88px;width:100%}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.78)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .is-current{color:var(--accent);font-weight:500}
.page-hero h1{color:#fff;max-width:860px;font-size:44px}
.page-hero__sub{color:rgba(255,255,255,.78);font-size:17px;margin-top:18px;max-width:640px}
.page-hero__meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px}
.page-hero__meta span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.82)}
.page-hero__meta i{color:var(--accent)}

/* ---------- 筛选标签 ---------- */
.filter-bar{
  position:relative;z-index:3;margin-top:-34px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  padding:16px 18px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.filter-bar__label{font-size:13px;letter-spacing:.08em;color:var(--ink-2);padding-right:6px}
.pill{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line);background:var(--surface);
  color:var(--ink-2);font-size:14px;font-weight:500;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.pill.is-on{background:var(--ink);border-color:var(--ink);color:#fff}
.pill:hover{border-color:var(--primary);color:var(--primary)}
.pill.is-on:hover{color:#fff}

/* ---------- 板块标题 ---------- */
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.16em;font-weight:500;color:var(--primary);margin-bottom:12px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-bottom:40px;margin-top:64px}
.section-head--center{flex-direction:column;align-items:center;text-align:center;margin-top:0}
.section-head__note{max-width:430px;font-size:14px;color:var(--ink-2);margin:0}

/* ---------- 游戏卡网格 ---------- */
.game-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.game-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.game-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--primary)}
.game-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EDEBF6}
.game-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.game-card:hover .game-card__media img{transform:scale(1.04)}
.game-card__badge{
  position:absolute;top:12px;left:12px;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--primary);font-size:12px;font-weight:500;letter-spacing:.06em;
}
.game-card__body{padding:20px}
.game-card__body h3{font-size:18px;margin-bottom:8px}
.game-card__body p{font-size:14px;color:var(--ink-2)}
.game-card__foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px}
.game-card__meta{font-size:12px;color:var(--ink-2);letter-spacing:.06em}
.round-arrow{
  width:40px;height:40px;border-radius:50%;flex:none;
  background:var(--bg);border:1px solid var(--line);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  transition:background-color .25s ease,color .25s ease,transform .25s ease;
}
.game-card:hover .round-arrow{background:var(--primary);border-color:var(--primary);color:#fff;transform:translateX(3px)}
.round-arrow i{font-size:13px}

/* ---------- 榜单式列表 ---------- */
.rank-list{display:grid;gap:14px}
.rank-item{
  display:flex;align-items:center;gap:22px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 26px;box-shadow:var(--shadow-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.rank-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--primary)}
.rank-num{
  font-size:28px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;min-width:54px;flex:none;
}
.rank-body{flex:1;min-width:0}
.rank-body h3{font-size:18px;margin-bottom:4px}
.rank-body p{font-size:14px;color:var(--ink-2)}
.rank-tag{
  flex:none;padding:6px 14px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);font-size:12px;letter-spacing:.08em;
}

/* ---------- 玩法两栏 ---------- */
.grid-gap-24{margin-left:-12px;margin-right:-12px}
.grid-gap-24>.cell{padding-left:12px;padding-right:12px}
.play-text p{margin-top:18px}
.play-text h2{margin-bottom:6px}
.play-side{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow-1);height:100%;
}
.play-side h3{font-size:20px;margin-bottom:16px}
.checklist li{
  display:flex;gap:12px;padding:14px 0;font-size:14px;color:var(--ink-2);
  border-bottom:1px dashed var(--line);
}
.checklist li:last-child{border-bottom:0;padding-bottom:0}
.checklist i{color:var(--primary);margin-top:5px;font-size:13px;flex:none}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:var(--primary);box-shadow:var(--shadow-1)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:14px;
  padding:20px 22px;font-size:17px;font-weight:500;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::marker{content:""}
.faq-mark{
  flex:none;width:26px;height:26px;border-radius:50%;margin-top:2px;
  background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
}
.faq-item[open] summary{color:var(--primary)}
.faq-chevron{margin-left:auto;color:var(--ink-2);font-size:13px;transition:transform .25s ease}
.faq-item[open] .faq-chevron{transform:rotate(180deg);color:var(--primary)}
.faq-body{padding:0 22px 22px 62px;font-size:15px;color:var(--ink-2)}

/* ---------- CTA ---------- */
.section--cta{padding:88px 0}
.cta-band{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  border-radius:var(--radius-lg);
  padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  color:#fff;
}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.8);margin-top:12px;max-width:520px;font-size:15px}

/* ---------- 底部固定条 ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;height:64px;
  background:linear-gradient(90deg,var(--ink),#241C4A);
  border-top:1px solid var(--accent);
  display:flex;align-items:center;
}
.sticky-bar__inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.sticky-bar__text{color:rgba(255,255,255,.86);font-size:14px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);color:rgba(255,255,255,.68);
  border-top:1px solid var(--primary);
  padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:40px}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.68);display:inline-block;transition:color .2s ease,transform .2s ease}
.footer-col ul a:hover{color:var(--accent);transform:translateX(2px)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand__mark{width:34px;height:34px}
.footer-brand strong{color:#fff;font-size:17px}
.footer-col--brand p{font-size:14px;line-height:1.9;max-width:320px}
.footer-social{display:flex;gap:12px;margin-top:22px}
.footer-social a{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);color:rgba(255,255,255,.8);
  transition:background-color .2s ease,color .2s ease;
}
.footer-social a:hover{background:var(--accent);color:var(--ink)}
.footer-bottom{
  margin-top:52px;padding:22px 0 26px;border-top:1px solid rgba(255,255,255,.1);
  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 nav{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom nav a{color:rgba(255,255,255,.6)}
.footer-bottom nav a:hover{color:var(--accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 24px}
  .game-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1023px){
  h1{font-size:36px}
  h2{font-size:28px}
  .page-hero h1{font-size:36px}
  .main-nav,.header-cta{display:none}
  .nav-toggle{display:flex}
  .section{padding:72px 0}
  .game-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  h1{font-size:30px}
  h2{font-size:24px}
  h3{font-size:19px}
  body{padding-bottom:56px}
  .page-hero__inner{padding:38px 16px 76px}
  .page-hero h1{font-size:30px}
  .page-hero__sub{font-size:15px}
  .page-hero__meta{gap:14px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-head{margin-top:44px;margin-bottom:28px}
  .game-grid{grid-template-columns:1fr}
  .filter-bar{margin-top:-28px;padding:14px}
  .rank-item{flex-wrap:wrap;gap:14px;padding:18px}
  .rank-num{font-size:24px;min-width:auto}
  .rank-tag{margin-left:0}
  .cta-band{padding:34px 22px}
  .cta-band .btn{width:100%}
  .sticky-bar{height:56px}
  .sticky-bar__text{font-size:13px}
  .faq-body{padding:0 20px 20px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  h1{font-size:28px}
  .page-hero h1{font-size:26px}
  h2{font-size:22px}
  .btn--lg{height:48px;padding:0 22px;font-size:15px}
  .game-card__body{padding:16px}
  .play-side{padding:22px 18px}
  .sticky-bar__text{max-width:60%}
}

/* roulang page: category3 */
:root{
  --primary:#6A3DF0;
  --primary-deep:#4A22C4;
  --primary-soft:#F1EEFE;
  --accent:#C8F551;
  --accent-deep:#B4E031;
  --alert:#FF6B4A;
  --ink:#16152B;
  --ink-2:#5B5A73;
  --line:#E6E4F2;
  --bg:#F5F4FB;
  --surface:#FFFFFF;
  --dark-grad:linear-gradient(135deg,#16152B,#241C4A);
  --radius-xl:24px;
  --radius:18px;
  --radius-sm:14px;
  --radius-btn:12px;
  --shadow-1:0 2px 6px rgba(22,21,43,.06);
  --shadow-2:0 12px 28px rgba(74,34,196,.16);
  --header-h:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;color:var(--ink);background:var(--bg);
  padding-bottom:64px;overflow-x:hidden;
}
h1,h2,h3,h4,p,figure,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
/* Foundation 覆盖 */
.row{max-width:none;margin-left:0;margin-right:0}
.row::before,.row::after{display:none}
.column,.columns{padding-left:0;padding-right:0}
.container{
  width:100%;max-width:1200px;margin:0 auto;padding:0 24px;
}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--plain{background:var(--surface)}
.section-head{max-width:700px;margin-bottom:48px}
.section-head h2{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;
  font-weight:500;color:var(--primary);background:var(--primary-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid transparent;transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(22,21,43,.07)}
.header-inner{display:flex;align-items:center;gap:28px;height:76px;transition:height .25s ease}
.site-header.is-stuck .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand__mark{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));color:#fff;flex-shrink:0;
}
.brand__mark svg{width:22px;height:22px}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__text strong{font-size:16px;font-weight:700;letter-spacing:-.01em}
.brand__text span{font-size:11px;color:var(--ink-2);letter-spacing:.08em}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  padding:10px 14px;border-radius:12px;color:var(--ink-2);font-weight:500;font-size:15px;
  transition:color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.main-nav a:hover{color:var(--primary);background:var(--primary-soft)}
.main-nav a.is-active{color:var(--ink);font-weight:700;box-shadow:inset 0 -3px 0 var(--primary)}
.header-cta{margin-left:8px}
.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;color:var(--ink);margin-left:auto;
}
.hamburger i{font-size:18px}
/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 28px;border-radius:12px;font-size:15px;font-weight:700;
  border:1.5px solid transparent;cursor:pointer;transition:background-color .22s ease,color .22s ease,transform .18s ease,box-shadow .22s ease;
  white-space:nowrap;
}
.btn i{font-size:14px}
.btn--primary{background:var(--accent);color:var(--ink);border-radius:12px 12px 0 12px}
.btn--primary:hover{background:var(--accent-deep);box-shadow:0 10px 22px rgba(200,245,81,.35)}
.btn--primary:hover i{transform:translateX(3px)}
.btn--primary i{transition:transform .22s ease}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{border-color:var(--primary);color:var(--primary);background:transparent}
.btn--ghost:hover{background:var(--primary);color:#fff}
.btn--ghost:active{transform:translateY(1px)}
.btn--onDark{border-color:rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.08)}
.btn--onDark:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn--sm{height:40px;padding:0 20px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:500;font-size:15px}
.link-arrow i{transition:transform .22s ease}
.link-arrow:hover i{transform:translateX(3px)}
/* ===== Hero ===== */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(22,21,43,.95) 0%,rgba(22,21,43,.78) 48%,rgba(22,21,43,.38) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:22px 22px;
}
.hero-inner{position:relative;z-index:2;padding:88px 0 84px;max-width:760px}
.hero .eyebrow{background:rgba(255,255,255,.12);color:#fff}
.hero h1{font-size:44px;line-height:1.2;font-weight:700;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-sub{margin-top:18px;font-size:17px;color:rgba(255,255,255,.82);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;
  padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);color:#fff;
}
.hero-badge i{color:var(--accent);font-size:12px}
/* ===== 面包屑 ===== */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:14px 0;font-size:13px;color:var(--ink-2)}
.crumb a{transition:color .2s ease}
.crumb a:hover{color:var(--primary)}
.crumb i{font-size:10px;color:#C4C2D6}
.crumb .is-current{color:var(--primary);font-weight:500}
/* ===== 流程步骤 ===== */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flow-step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 24px 26px;box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--primary)}
.flow-step::after{
  content:"";position:absolute;top:48px;right:-24px;width:24px;border-top:2px dashed var(--line);
}
.flow-step:last-child::after{display:none}
.flow-num{
  display:inline-block;font-size:24px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.flow-step h3{margin-top:14px;font-size:19px;font-weight:700}
.flow-step p{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.75}
.flow-step .flow-icon{
  position:absolute;top:26px;right:24px;width:38px;height:38px;border-radius:11px;
  background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:15px;
}
/* ===== 设备支持表 ===== */
.spec-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);overflow:hidden}
.spec-table th,.spec-table td{padding:20px 24px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);vertical-align:top}
.spec-table th{width:220px;font-weight:500;color:var(--ink-2);background:#FAF9FE}
.spec-table tbody tr:last-child th,.spec-table tbody tr:last-child td{border-bottom:0}
.spec-table td strong{font-weight:700}
.spec-note{margin-top:16px;font-size:13px;color:var(--ink-2);display:flex;align-items:center;gap:8px}
.spec-note i{color:var(--alert)}
/* ===== 入口面板 ===== */
.entry-panel{
  margin-top:40px;background:var(--dark-grad);border-radius:var(--radius-xl);color:#fff;
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  flex-wrap:wrap;
}
.entry-panel h3{font-size:22px;font-weight:700}
.entry-panel p{margin-top:10px;font-size:14px;color:rgba(255,255,255,.72);max-width:520px}
.entry-actions{display:flex;flex-wrap:wrap;gap:14px}
/* ===== 设备对比卡 ===== */
.device-grid.row{display:flex;flex-wrap:wrap;margin:0 -12px}
.device-grid.row > .column{flex:0 0 auto;padding:0 12px 24px}
.device-grid.row > .column.small-12{width:100%}
.device-card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-1);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.device-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--primary)}
.device-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EDEBF7}
.device-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.device-card:hover .device-card__media img{transform:scale(1.04)}
.device-card__body{padding:22px 22px 26px}
.device-card__tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.06em;
  color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:5px 12px;margin-bottom:14px;
}
.device-card h3{font-size:19px;font-weight:700}
.device-card p{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.75}
.device-card__more{margin-top:16px;display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:14px;font-weight:500}
.device-card__more i{transition:transform .22s ease}
.device-card:hover .device-card__more i{transform:translateX(3px)}
/* ===== 注意事项 ===== */
.notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.notice-card{
  display:flex;gap:16px;background:#FBFAFF;border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:24px;transition:border-color .22s ease,transform .22s ease;
}
.notice-card:hover{border-color:var(--primary);transform:translateY(-3px)}
.notice-icon{
  width:44px;height:44px;flex-shrink:0;border-radius:12px;background:#fff;color:var(--primary);
  display:flex;align-items:center;justify-content:center;border:1px solid var(--line);font-size:16px;
}
.notice-card h3{font-size:17px;font-weight:700}
.notice-card p{margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.75}
/* ===== FAQ ===== */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-1);
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;gap:14px;
  font-size:16px;font-weight:500;transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.q-mark{
  width:26px;height:26px;flex-shrink:0;border-radius:999px;background:var(--primary-soft);
  color:var(--primary);display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;
}
.faq-item summary .fa-chevron-down{margin-left:auto;font-size:12px;color:var(--ink-2);transition:transform .25s ease}
.faq-item[open] summary{color:var(--primary)}
.faq-item[open] summary .fa-chevron-down{transform:rotate(180deg)}
.faq-item[open] .q-mark{background:var(--primary);color:#fff}
.faq-body{padding:0 24px 22px 64px;font-size:15px;color:var(--ink-2);line-height:1.8;background:#FBFAFF}
/* ===== 底部 CTA ===== */
.cta-block{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  border-radius:var(--radius-xl);padding:48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 24px 48px rgba(74,34,196,.22);
}
.cta-block h2{font-size:28px;font-weight:700;line-height:1.35}
.cta-block p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.8);max-width:520px}
/* ===== 底部固定转化条 ===== */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;height:64px;
  background:#16152B;border-top:1px solid var(--accent);display:flex;align-items:center;
}
.sticky-cta .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.sticky-cta__text{color:#fff;font-size:14px;display:flex;align-items:center;gap:10px}
.sticky-cta__text i{color:var(--accent)}
/* ===== 页脚 ===== */
.site-footer{background:#16152B;color:rgba(255,255,255,.72);border-top:1px solid var(--primary);margin-top:96px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:72px 0 48px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand__mark{width:36px;height:36px;border-radius:11px}
.footer-brand strong{color:#fff;font-size:16px;font-weight:700}
.footer-col--brand p{font-size:14px;line-height:1.85;max-width:340px;color:rgba(255,255,255,.62)}
.footer-social{display:flex;gap:12px;margin-top:22px}
.footer-social a{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);color:#fff;transition:background-color .22s ease,color .22s ease,transform .22s ease;
}
.footer-social a:hover{background:var(--accent);color:var(--ink);transform:translateY(-2px)}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col ul li a:hover{color:var(--accent);transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;
}
.footer-bottom nav{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom nav a{color:rgba(255,255,255,.6);transition:color .2s ease}
.footer-bottom nav a:hover{color:var(--accent)}
/* ===== 移动端抽屉 ===== */
.nav-drawer{
  position:fixed;inset:0;z-index:200;background:#fff;display:flex;flex-direction:column;
  padding:18px 20px 28px;transform:translateX(100%);transition:transform .3s ease;
  overflow-y:auto;visibility:hidden;
}
.nav-drawer.is-open{transform:translateX(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  font-size:18px;line-height:56px;border-bottom:1px solid var(--line);color:var(--ink);font-weight:500;
}
.drawer-nav a.is-active{color:var(--primary);font-weight:700}
.drawer-cta{margin-top:auto;padding-top:24px}
.drawer-cta .btn{width:100%}
body.nav-open{overflow:hidden}
/* ===== 响应式 ===== */
@media (max-width:1199px){
  .container{padding:0 24px}
  .hero h1{font-size:40px}
}
@media (max-width:1023px){
  .main-nav,.header-cta{display:none}
  .hamburger{display:flex}
  .section{padding:72px 0}
  .section--tight{padding:60px 0}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .flow-step::after{display:none}
  .notice-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 36px}
  .device-grid.row > .column.medium-6{width:50%}
}
@media (max-width:767px){
  body{padding-bottom:56px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .hero-inner{padding:64px 0 60px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .section-head h2{font-size:24px}
  .section-head{margin-bottom:32px}
  .flow-grid{grid-template-columns:1fr}
  .notice-grid{grid-template-columns:1fr}
  .device-grid.row{margin:0}
  .device-grid.row > .column{width:100%;padding:0 0 20px}
  .spec-table th,.spec-table td{display:block;width:100%;padding:14px 18px}
  .spec-table th{border-bottom:0;padding-bottom:0;background:transparent;font-size:13px}
  .spec-table td{padding-top:6px}
  .entry-panel{padding:28px 22px}
  .entry-actions{width:100%}
  .entry-actions .btn{width:100%}
  .cta-block{padding:32px 22px}
  .cta-block h2{font-size:22px}
  .cta-block .btn{width:100%}
  .faq-item summary{padding:16px 18px;font-size:15px}
  .faq-body{padding:0 18px 18px 52px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .sticky-cta{height:56px}
  .sticky-cta__text{font-size:13px}
}
@media (max-width:479px){
  .hero h1{font-size:27px}
  .section-head h2{font-size:22px}
  .device-card__body{padding:18px 16px 22px}
  .btn{padding:0 20px;font-size:14px}
  .brand__text span{display:none}
}

/* roulang page: category4 */
:root{
  --primary:#6A3DF0;
  --primary-deep:#4A22C4;
  --accent:#C8F551;
  --alert:#FF6B4A;
  --ink:#16152B;
  --ink-2:#5B5A73;
  --line:#E6E4F2;
  --bg:#F5F4FB;
  --surface:#FFFFFF;
  --radius:18px;
  --radius-sm:14px;
  --radius-btn:12px;
  --shadow-1:0 2px 6px rgba(22,21,43,.06);
  --shadow-2:0 12px 28px rgba(74,34,196,.16);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --container:1200px;
  --num:"SF Mono","Roboto Mono",ui-monospace,Menlo,Consolas,monospace;
}
*,*::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:1.8;
  color:var(--ink-2);
  background:var(--bg);
  padding-bottom:64px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{margin:0;color:var(--ink);font-weight:700;line-height:1.3}
h1{font-size:44px}
h2{font-size:32px}
h3{font-size:22px}
h4{font-size:18px}
p{margin:0}
a{color:var(--primary);text-decoration:none;transition:color .2s,background .2s,transform .2s}
img{max-width:100%;display:block}
button,input,textarea,select{font-family:inherit;font-size:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
.num{font-family:var(--num);font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--radius-btn);
  border:1.5px solid transparent;font-size:15px;font-weight:700;line-height:1;
  cursor:pointer;white-space:nowrap;
  transition:background .2s,color .2s,border-color .2s,transform .18s,box-shadow .2s;
}
.btn svg{transition:transform .2s}
.btn--primary{background:var(--accent);color:var(--ink);border-bottom-right-radius:0}
.btn--primary:hover{background:#BCEC3F;color:var(--ink)}
.btn--primary:hover svg{transform:translateX(3px)}
.btn--primary:active{transform:translateY(1px)}
.btn--outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn--outline:hover{background:var(--primary);color:#fff}
.btn--outline:hover svg{transform:translateX(3px)}
.btn--light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.6);color:#fff}
.btn--light:hover{background:#fff;color:var(--ink)}
.btn--sm{height:40px;padding:0 20px;font-size:14px}
.btn--block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:500;font-size:15px}
.link-arrow svg{transition:transform .2s}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid transparent;
  transition:background .25s,box-shadow .25s,border-color .25s;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.99);
  border-bottom-color:var(--line);
  box-shadow:0 4px 18px rgba(22,21,43,.07);
}
.header-inner{display:flex;align-items:center;gap:24px;height:76px;transition:height .25s}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:17px;white-space:nowrap}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 36px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;display:grid;place-items:center;
}
.brand-mark svg{width:22px;height:22px}
.brand-name em{font-style:normal;color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;
  border-radius:12px;color:var(--ink);font-size:15px;font-weight:500;
}
.main-nav a:hover{color:var(--primary);background:#F0EDFE}
.main-nav a.is-active{font-weight:700;color:var(--ink)}
.main-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:3px;background:var(--primary);
}
.header-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink)}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,86vw);z-index:90;
  background:#fff;transform:translateX(100%);transition:transform .3s ease;
  display:flex;flex-direction:column;padding:20px 24px 28px;
  box-shadow:-12px 0 32px rgba(22,21,43,.18);
}
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(22,21,43,.55);
  opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;
}
body.drawer-open{overflow:hidden}
body.drawer-open .drawer{transform:none}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:22px;line-height:1;
}
.drawer-nav a{
  display:flex;align-items:center;height:56px;font-size:18px;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--primary);font-weight:700}
.drawer-foot{margin-top:auto;padding-top:22px}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;padding:96px 0 76px;color:#fff;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(22,21,43,.95) 0%,rgba(22,21,43,.84) 46%,rgba(36,28,74,.55) 100%);
}
.page-hero .container{position:relative;z-index:1}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(200,245,81,.16);color:var(--accent);
  font-size:12px;letter-spacing:.08em;margin-bottom:20px;
}
.page-hero h1{color:#fff;font-size:44px;line-height:1.2;max-width:780px}
.hero-sub{margin-top:18px;font-size:18px;color:rgba(255,255,255,.82);max-width:620px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero-facts{display:flex;gap:36px;flex-wrap:wrap;margin-top:44px}
.hero-fact{display:flex;flex-direction:column;gap:4px}
.hero-fact b{font-family:var(--num);font-size:26px;color:#fff;line-height:1.2}
.hero-fact span{font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.62)}

/* ---------- 面包屑 ---------- */
.breadcrumb{background:var(--surface);border-bottom:1px solid var(--line)}
.breadcrumb .container{display:flex;align-items:center;gap:8px;min-height:56px;font-size:13px;flex-wrap:wrap}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#BFBDD1}
.breadcrumb .now{color:var(--primary);font-weight:500}

/* ---------- 锚点导航 ---------- */
.anchor-nav{background:var(--surface);border-bottom:1px solid var(--line)}
.anchor-nav .container{display:flex;gap:10px;padding-top:16px;padding-bottom:16px;overflow-x:auto;-webkit-overflow-scrolling:touch}
.anchor-nav .container::-webkit-scrollbar{height:4px}
.anchor-nav .container::-webkit-scrollbar-thumb{background:#D9D5EE;border-radius:4px}
.anchor-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;
  height:38px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:14px;
}
.anchor-pill:hover{border-color:var(--primary);color:var(--primary);background:#F7F4FF}
.anchor-pill i{font-size:12px;color:var(--primary)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section--bg{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:32px}
.section-head p{margin-top:14px;font-size:16px;color:var(--ink-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:var(--primary);font-weight:700;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;gap:12px}
.faq-group{
  grid-column:1/-1;display:flex;align-items:center;gap:10px;
  font-size:14px;font-weight:700;letter-spacing:.08em;color:var(--ink-2);
  margin:28px 0 4px;scroll-margin-top:104px;
}
.faq-group:first-child{margin-top:0}
.faq-group::after{content:"";flex:1;height:1px;background:var(--line)}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  transition:border-color .25s,box-shadow .25s;align-self:start;
}
.faq-item:hover{box-shadow:var(--shadow-1)}
.faq-item.is-open{border-color:var(--primary);box-shadow:var(--shadow-1)}
.faq-h{margin:0}
.faq-q{
  display:flex;align-items:flex-start;gap:12px;width:100%;
  padding:18px 20px;background:none;border:0;text-align:left;
  color:var(--ink);font-size:16px;font-weight:500;line-height:1.6;
}
.q-mark{
  flex:0 0 26px;width:26px;height:26px;margin-top:1px;border-radius:50%;
  background:#F0EDFE;color:var(--primary);
  display:grid;place-items:center;font-size:13px;font-weight:700;
  transition:background .2s,color .2s;
}
.faq-item.is-open .q-mark{background:var(--primary);color:#fff}
.faq-item.is-open .faq-q{color:var(--primary)}
.faq-a{
  display:none;padding:0 20px 20px 58px;font-size:15px;line-height:1.85;color:var(--ink-2);
  background:linear-gradient(180deg,rgba(106,61,240,.035),rgba(106,61,240,0));
}
.faq-item.is-open .faq-a{display:block}

/* ---------- 联系与反馈 ---------- */
.contact-card{
  display:grid;grid-template-columns:1fr;background:var(--surface);
  border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--shadow-1);
}
.contact-media{
  position:relative;min-height:260px;
  background-image:url('/assets/images/coverpic/cover-6.png');
  background-size:cover;background-position:center;
}
.contact-media::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(22,21,43,.35),rgba(22,21,43,.88));
}
.contact-media-body{position:absolute;left:0;right:0;bottom:0;padding:32px;color:#fff}
.contact-media-body h3{color:#fff;font-size:20px;margin-bottom:10px}
.contact-media-body p{font-size:14px;color:rgba(255,255,255,.78)}
.contact-media-list{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.contact-media-list li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.85)}
.contact-media-list i{color:var(--accent);font-size:13px;width:16px}
.contact-body{padding:40px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:500;color:var(--ink);margin-bottom:8px}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:10px;background:#FBFAFF;
  color:var(--ink);transition:border-color .2s,box-shadow .2s,background .2s;
}
.field input{height:44px;padding:0 14px}
.field textarea{height:120px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);background:#fff;
  box-shadow:0 0 0 2px rgba(106,61,240,.18);
}
.form-note{font-size:13px;color:var(--ink-2);margin-top:14px}
.form-tip{
  display:none;margin-top:14px;padding:12px 16px;border-radius:10px;
  background:#F1FBE0;border:1px solid #D7F0A6;color:#3B6B00;font-size:14px;
}
.form-tip.is-show{display:block}

/* ---------- 安全提示 ---------- */
.safety-grid{display:grid;gap:24px}
.safety-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:transform .25s,border-color .25s,box-shadow .25s;
}
.safety-card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--shadow-2)}
.safety-icon{
  width:46px;height:46px;border-radius:12px;background:#F0EDFE;color:var(--primary);
  display:grid;place-items:center;font-size:18px;margin-bottom:18px;
}
.safety-card h3{font-size:18px;margin-bottom:10px}
.safety-card p{font-size:15px;line-height:1.8}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,#6A3DF0,#4A22C4);
  border-radius:24px;padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  color:#fff;box-shadow:var(--shadow-2);
}
.cta-band h2{color:#fff;font-size:30px;max-width:560px}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.82);font-size:15px;max-width:560px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#16152B;color:rgba(255,255,255,.72);
  border-top:1px solid var(--primary);padding:72px 0 0;margin-top:96px;
}
.footer-grid{display:grid;gap:40px;grid-template-columns:1.5fr 1fr 1fr 1fr}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px}
.footer-col ul li{margin-bottom:12px}
.footer-col a{display:inline-block;color:rgba(255,255,255,.72);font-size:14px}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:18px}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px}
.footer-col--brand p{font-size:14px;line-height:1.85;max-width:320px}
.footer-social{display:flex;gap:12px;margin-top:22px}
.footer-social a{
  width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.08);
  color:#fff;display:grid;place-items:center;font-size:15px;
}
.footer-social a:hover{background:var(--accent);color:var(--ink);transform:none}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a{color:rgba(255,255,255,.55);font-size:13px}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:70;height:64px;
  display:flex;align-items:center;
  background:#1E1B3C;border-top:1px solid var(--accent);
  box-shadow:0 -6px 20px rgba(22,21,43,.22);
}
.sticky-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.sticky-cta__text{color:#fff;font-size:14px}
.sticky-cta__text b{color:var(--accent);font-weight:700}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  .container{padding:0 24px}
}
@media (max-width:1199px){
  h1{font-size:38px}
  .page-hero h1{font-size:38px}
  .cta-band{padding:40px}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .section-head h2{font-size:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .page-hero{padding:76px 0 64px}
  .page-hero h1{font-size:34px}
  .hero-sub{font-size:17px}
}
@media (max-width:899px){
  .contact-card{grid-template-columns:1fr}
  .contact-media{min-height:220px}
  .contact-body{padding:28px}
}
@media (max-width:767px){
  body{padding-bottom:56px}
  h1{font-size:30px}
  h2{font-size:24px}
  h3{font-size:19px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .page-hero{padding:64px 0 56px}
  .page-hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-facts{gap:24px;margin-top:32px}
  .hero-fact b{font-size:22px}
  .hero-actions .btn{width:100%}
  .header-inner{height:64px}
  .cta-band{padding:28px;border-radius:20px}
  .cta-band h2{font-size:23px}
  .cta-band .btn{width:100%}
  .safety-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .sticky-cta{height:56px}
  .sticky-cta__inner{gap:12px}
  .sticky-cta__text{font-size:13px}
  .btn--sm{height:38px;padding:0 16px;font-size:13px}
  .faq-a{padding-left:20px}
}
@media (max-width:479px){
  h1{font-size:27px}
  h2{font-size:22px}
  .page-hero h1{font-size:27px}
  .hero-facts{gap:18px}
  .hero-fact{flex:1 1 40%}
  .contact-body{padding:22px}
  .safety-card{padding:22px}
  .sticky-cta__text{max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
}