/* roulang page: index */
:root{
  --bg:#0A0D14;
  --bg-2:#10151F;
  --card:#141A26;
  --line:#222B3A;
  --line-hi:#2E3A4E;
  --brand:#14E1B2;
  --brand-2:#FF4D9D;
  --brand-3:#4E8BFF;
  --grad:linear-gradient(135deg,#14E1B2 0%,#4E8BFF 48%,#FF4D9D 100%);
  --amber:#FFC24B;
  --text:#F2F5FA;
  --text-2:#A8B3C4;
  --text-3:#6E7A8D;
  --inv:#06121A;
  --paper:#F6F8FA;
  --paper-text:#1B2430;
  --paper-2:#55606F;
  --ok:#14E1B2;
  --info:#4E8BFF;
  --warn:#FFB020;
  --err:#FF5A6E;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --r-badge:8px;
  --shadow:0 18px 36px rgba(0,0,0,.45);
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:14px}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:#63f1cf}
h1,h2,h3,h4{margin:0 0 .6em;font-family:var(--font);color:var(--text);font-weight:700;letter-spacing:-.2px}
h1{font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.5px}
h2{font-size:clamp(24px,2.6vw,36px);font-weight:700;line-height:1.25}
h3{font-size:18px;font-weight:600;line-height:1.45}
p{margin:0 0 1.15em}
ul,ol{padding-left:1.2em}
li{margin-bottom:.5em}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
::selection{background:rgba(20,225,178,.28);color:#fff}

/* Foundation 默认样式覆盖 */
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px}
@media (min-width:1440px){.grid-container{max-width:1320px}}
.button,button,input[type="submit"],input[type="button"]{
  font-family:var(--font);
  border-radius:999px;
  font-weight:600;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.button{background:var(--grad);color:var(--inv);border:none}
.button:hover,.button:focus{background:var(--grad);color:var(--inv);filter:brightness(1.08);box-shadow:0 0 22px rgba(20,225,178,.35)}
.button:active{transform:translateY(1px)}
a{color:var(--brand)}
a:hover,a:focus{color:#63f1cf;text-decoration:none}
.accordion{background:transparent;border:none}
.accordion-item{border:1px solid var(--line);background:var(--card);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden}
.accordion-title{border:none;background:transparent;color:var(--text);font-size:16.5px;font-weight:600;padding:20px 56px 20px 24px;border-bottom:1px solid transparent}
.accordion-title:hover,.accordion-title:focus{background:rgba(20,225,178,.06);color:var(--text)}
.accordion-title::before{color:var(--brand);font-size:20px;right:20px;margin-top:-10px;font-weight:400}
.accordion-content{background:var(--bg-2);border:none;color:var(--text-2);font-size:15px;line-height:1.8;padding:18px 24px 22px;border-left:3px solid transparent;border-image:var(--grad) 1;border-image-slice:0 0 0 1}
.accordion-item.is-active{border-color:rgba(20,225,178,.4);box-shadow:0 0 0 1px rgba(20,225,178,.14),0 0 26px rgba(20,225,178,.12)}
label{color:var(--text-2);font-size:14px;font-weight:600;letter-spacing:.02em}
input[type="text"],input[type="tel"],input[type="email"],textarea,select{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-sm);
  color:var(--text);padding:14px 16px;font-size:15px;font-family:var(--font);
  width:100%;transition:border-color .2s ease,box-shadow .2s ease;box-shadow:none;
}
input::placeholder,textarea::placeholder{color:var(--text-3)}
input[type="text"]:focus,input[type="tel"]:focus,input[type="email"]:focus,textarea:focus,select:focus{
  border-color:var(--brand);box-shadow:0 0 18px rgba(20,225,178,.25);outline:none;
}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--brand) 50%),linear-gradient(135deg,var(--brand) 50%,transparent 50%);background-position:calc(100% - 20px) 22px,calc(100% - 14px) 22px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
input[type="checkbox"]{accent-color:var(--brand);width:16px;height:16px;margin-right:8px}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,13,20,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header::after{content:"";display:block;height:1px;background:var(--grad);opacity:.75}
.site-header.is-scrolled{background:rgba(10,13,20,.98);box-shadow:0 14px 34px rgba(0,0,0,.55)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:18px;letter-spacing:-.2px;white-space:nowrap}
.brand:hover{color:var(--text)}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:var(--inv);font-size:15px;font-weight:800;flex:0 0 auto}
.brand-sub{color:var(--text-3);font-size:12px;font-weight:500;letter-spacing:.08em;display:block;line-height:1.5}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav-links li{margin:0}
.nav-links a{
  display:block;padding:10px 12px;font-size:15px;color:var(--text-2);border-radius:10px;position:relative;
  transition:color .2s ease,background .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad);opacity:0;transition:opacity .2s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.03)}
.nav-links a:hover::after{opacity:.55}
.nav-links a.is-active{color:var(--brand);text-shadow:0 0 12px rgba(20,225,178,.45)}
.nav-links a.is-active::after{opacity:1;box-shadow:0 0 12px rgba(20,225,178,.45)}
.nav-right{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .2s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn-primary{background:var(--grad);color:var(--inv)}
.btn-primary:hover{color:var(--inv);filter:brightness(1.08);box-shadow:0 0 22px rgba(20,225,178,.35);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--line-hi);color:var(--brand)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);box-shadow:inset 0 0 18px rgba(20,225,178,.16)}
.btn-sm{padding:10px 20px;font-size:14px}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--line-hi);color:var(--text);
  width:42px;height:42px;border-radius:12px;font-size:16px;align-items:center;justify-content:center;
}
.drawer-head{padding:20px 20px 14px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.drawer-menu{list-style:none;margin:0;padding:8px 0}
.drawer-menu li{margin:0}
.drawer-menu a{display:block;padding:15px 20px;color:var(--text-2);font-size:15.5px;border-bottom:1px solid rgba(255,255,255,.05)}
.drawer-menu a:hover,.drawer-menu a.is-active{color:var(--brand);background:rgba(20,225,178,.06)}
.drawer-cta{margin:18px 20px 26px;width:calc(100% - 40px)}
.off-canvas{background:var(--bg-2);border-left:3px solid var(--brand);z-index:120}
.close-button{color:var(--text-2);font-size:26px;right:14px;top:12px}
.close-button:hover{color:var(--brand)}

/* 通用板块 */
.section{padding:96px 0;position:relative}
.section-tight{padding:72px 0}
.section-alt{background:var(--bg-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;color:var(--brand);text-transform:uppercase;
  border:1px solid rgba(20,225,178,.32);border-radius:999px;padding:6px 14px;margin-bottom:18px;
  background:rgba(20,225,178,.06);
}
.section-head{max-width:760px;margin-bottom:48px}
.section-head p{color:var(--text-2);font-size:16px;margin-bottom:0}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.section-head-row .section-head{margin-bottom:0}
.text-link{font-size:14.5px;font-weight:600;border-bottom:1px solid rgba(20,225,178,.5);padding-bottom:3px;white-space:nowrap}
.text-link:hover{border-color:var(--brand);box-shadow:0 0 14px rgba(20,225,178,.35)}

/* Hero */
.hero{position:relative;overflow:hidden;padding:120px 0 96px}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,157,.35),transparent 68%);
  top:-140px;right:-120px;filter:blur(80px);opacity:.3;pointer-events:none;
}
.hero-glow{
  position:absolute;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,225,178,.4),transparent 68%);
  bottom:-180px;left:-140px;filter:blur(80px);opacity:.3;pointer-events:none;
}
.hero-grid{position:relative;z-index:2;align-items:center}
.hero-copy h1{margin-bottom:20px}
.hero-copy h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:17.5px;color:var(--text-2);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px}
.hero-trust{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text-3);letter-spacing:.02em}
.hero-trust i{color:var(--brand)}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:16/10}
.hero-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(10,13,20,.15) 0%,rgba(10,13,20,.86) 100%)}
.hero-media-cap{
  position:absolute;left:22px;bottom:20px;z-index:3;font-size:13.5px;color:var(--text-2);
  border-left:3px solid var(--brand);padding-left:12px;line-height:1.7;
}
.hero-badge{
  position:absolute;z-index:4;background:rgba(20,26,38,.92);border:1px solid var(--line);
  border-radius:var(--r-badge);padding:10px 14px;backdrop-filter:blur(8px);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.hero-badge:hover{border-color:var(--brand);box-shadow:0 0 22px rgba(20,225,178,.2)}
.hero-badge b{display:block;font-size:20px;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-badge span{font-size:12px;color:var(--text-3);letter-spacing:.08em}
.hero-badge.b1{top:22px;right:22px}
.hero-badge.b2{bottom:76px;right:22px}
.hero-badge.b2 b{color:var(--amber);background:none;-webkit-text-fill-color:var(--amber)}

/* Bento 服务 */
.bento-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px;height:100%;box-shadow:var(--shadow);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.bento-card:hover{transform:translateY(-4px);border-color:rgba(20,225,178,.45);box-shadow:0 0 0 1px rgba(20,225,178,.18),0 0 28px rgba(20,225,178,.18)}
.bento-main{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center;padding:32px}
.bento-main .cover{border-radius:18px;overflow:hidden;aspect-ratio:16/10;border:1px solid var(--line)}
.bento-main .cover img{width:100%;height:100%;object-fit:cover;border-radius:0}
.bento-ico{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(20,225,178,.1);border:1px solid rgba(20,225,178,.28);color:var(--brand);
  font-size:17px;margin-bottom:16px;
}
.bento-card h3{margin-bottom:10px}
.bento-card p{color:var(--text-2);font-size:14.8px;line-height:1.8;margin-bottom:14px}
.tag{
  display:inline-block;font-size:12px;letter-spacing:.08em;color:var(--brand);
  border:1px solid rgba(20,225,178,.3);border-radius:999px;padding:4px 12px;background:rgba(20,225,178,.06);
}
.tag-pink{color:var(--brand-2);border-color:rgba(255,77,157,.32);background:rgba(255,77,157,.08)}
.tag-blue{color:var(--brand-3);border-color:rgba(78,139,255,.32);background:rgba(78,139,255,.08)}
.tag-amber{color:var(--amber);border-color:rgba(255,194,75,.32);background:rgba(255,194,75,.08)}

/* 数据区 */
.stats-band{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:64px 0}
.stat-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;height:100%;transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.stat-card:hover{border-color:var(--brand);box-shadow:0 0 24px rgba(20,225,178,.16);transform:translateY(-4px)}
.stat-num{
  font-size:clamp(28px,3vw,40px);font-weight:800;line-height:1.15;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:6px;
}
.stat-label{font-size:15px;font-weight:600;color:var(--text);margin-bottom:4px}
.stat-note{font-size:13.5px;color:var(--text-3);line-height:1.7;margin:0}

/* 案例 */
.case-track{display:flex;gap:24px;overflow-x:auto;padding-bottom:8px;scrollbar-width:thin}
.case-track::-webkit-scrollbar{height:6px}
.case-track::-webkit-scrollbar-thumb{background:var(--line-hi);border-radius:8px}
.case-card{
  flex:0 0 min(520px,88%);background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.case-card:hover{transform:translateY(-4px);border-color:rgba(20,225,178,.45);box-shadow:0 0 0 1px rgba(20,225,178,.18),0 0 28px rgba(20,225,178,.18)}
.case-card .cover{aspect-ratio:16/10;overflow:hidden}
.case-card .cover img{width:100%;height:100%;object-fit:cover;border-radius:0}
.case-body{padding:26px}
.case-body h3{margin:12px 0 10px}
.case-body p{color:var(--text-2);font-size:14.8px;margin-bottom:14px}
.case-card:nth-child(2){margin-top:24px}
.case-meta{font-size:13px;color:var(--text-3);letter-spacing:.04em}

/* 方案 */
.plan-grid{align-items:stretch}
.plan{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;height:100%;display:flex;flex-direction:column;position:relative;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.plan:hover{transform:translateY(-4px);border-color:rgba(20,225,178,.4)}
.plan h3{font-size:20px;margin-bottom:6px}
.plan-price{font-size:14px;color:var(--text-3);margin-bottom:20px}
.plan-list{list-style:none;margin:0 0 24px;padding:0;flex:1}
.plan-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.6px;color:var(--text-2);line-height:1.8;margin-bottom:12px}
.plan-list i{color:var(--brand);margin-top:6px;font-size:13px;flex:0 0 auto}
.plan-featured{border-color:transparent;background:linear-gradient(var(--card),var(--card)) padding-box,var(--grad) border-box;border:1px solid transparent;transform:scale(1.03);box-shadow:0 0 0 1px rgba(20,225,178,.16),0 0 34px rgba(20,225,178,.14)}
.plan-featured:hover{transform:scale(1.03) translateY(-4px)}
.plan-badge{
  position:absolute;top:-13px;left:30px;font-size:12px;font-weight:700;letter-spacing:.1em;
  background:var(--grad);color:var(--inv);border-radius:999px;padding:5px 14px;
}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}

/* 最新信息 */
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;height:100%;display:flex;flex-direction:column;box-shadow:var(--shadow);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(20,225,178,.45);box-shadow:0 0 0 1px rgba(20,225,178,.18),0 0 28px rgba(20,225,178,.18)}
.news-card .cover{aspect-ratio:16/9;overflow:hidden}
.news-card .cover img{width:100%;height:100%;object-fit:cover;border-radius:0}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:17.5px;margin:12px 0 10px;line-height:1.5}
.news-body h3 a{color:var(--text)}
.news-body h3 a:hover{color:var(--brand)}
.news-sum{
  color:var(--text-2);font-size:14.4px;line-height:1.8;margin-bottom:18px;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3);border-top:1px solid var(--line);padding-top:14px}
.empty-state{
  border:1px dashed var(--line-hi);border-radius:var(--r-md);padding:48px 24px;text-align:center;
  background:rgba(20,26,38,.5);
}
.empty-state i{font-size:24px;color:var(--text-3);margin-bottom:14px;display:block}
.empty-state p{color:var(--text-2);margin-bottom:18px}

/* 联系 */
.contact-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow);height:100%;
}
.form-row{margin-bottom:18px}
.form-consent{display:flex;align-items:flex-start;gap:4px;font-size:13.5px;color:var(--text-2);line-height:1.7;margin-bottom:22px}
.form-consent a{border-bottom:1px solid rgba(20,225,178,.5)}
.info-list{list-style:none;margin:0 0 22px;padding:0}
.info-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.6px;color:var(--text-2);line-height:1.8;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.info-list i{color:var(--brand);margin-top:6px}
.info-media{border-radius:18px;overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10}
.info-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.info-note{font-size:13px;color:var(--text-3);margin-top:12px;line-height:1.7}

/* 页脚 */
.site-footer{background:var(--bg-2);border-top:1px solid transparent;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad);opacity:.8}
.footer-grid{padding:72px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--text);margin-bottom:14px}
.footer-desc{color:var(--text-2);font-size:14.4px;line-height:1.85;max-width:320px}
.footer-title{font-size:14px;font-weight:700;letter-spacing:.08em;color:var(--text);margin-bottom:18px}
.footer-list{list-style:none;margin:0;padding:0}
.footer-list li{margin-bottom:11px}
.footer-list a,.footer-list span{color:var(--text-2);font-size:14.4px}
.footer-list a:hover{color:var(--brand)}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0 30px;display:flex;flex-wrap:wrap;
  gap:12px;justify-content:space-between;align-items:center;font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--brand)}

/* 响应式 */
@media (max-width:1199px){
  .section{padding:84px 0}
  .hero{padding:104px 0 84px}
  .nav-links a{padding:10px 9px;font-size:14.4px}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .hero{padding:88px 0 72px}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-right .btn{display:none}
  .bento-main{grid-template-columns:1fr;padding:26px}
  .plan-featured{transform:none}
  .plan-featured:hover{transform:translateY(-4px)}
  .case-card:nth-child(2){margin-top:0}
  .stagger{margin-top:0 !important}
}
@media (max-width:767px){
  body{font-size:15.6px}
  .grid-container{padding-left:18px;padding-right:18px}
  .section,.section-tight{padding:56px 0}
  .hero{padding:64px 0 56px}
  .hero h1{font-size:30px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .section-head{margin-bottom:32px}
  .section-head-row{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:30px}
  .bento-card,.contact-card{padding:20px}
  .stat-card{padding:20px}
  .stats-band{padding:48px 0}
  .hero-media{aspect-ratio:4/3}
  .hero-badge.b1{top:14px;right:14px}
  .hero-badge.b2{bottom:70px;right:14px}
  .case-card{flex:0 0 92%}
  .case-body{padding:20px}
  .footer-grid{padding:56px 0 30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .badge-scroll{display:flex;gap:12px;overflow-x:auto;padding-bottom:8px;scrollbar-width:none}
  .badge-scroll::-webkit-scrollbar{display:none}
  .badge-scroll > [class*="cell"]{flex:0 0 auto;width:auto}
  .accordion-title{padding:16px 48px 16px 18px;font-size:15.4px}
  .accordion-content{padding:14px 18px 18px}
}
@media (max-width:520px){
  h1{font-size:28px}
  .nav-inner{height:60px}
  .brand{font-size:16.5px}
  .brand-sub{display:none}
  .hero-badge b{font-size:17px}
  .stat-num{font-size:26px}
}

/* roulang page: article */
:root{
  --bg:#0A0D14;
  --bg-2:#10151F;
  --card:#141A26;
  --line:#222B3A;
  --line-hover:#2E3A4E;
  --brand:#14E1B2;
  --brand-blue:#4E8BFF;
  --brand-pink:#FF4D9D;
  --grad:linear-gradient(135deg,#14E1B2 0%,#4E8BFF 48%,#FF4D9D 100%);
  --amber:#FFC24B;
  --text:#F2F5FA;
  --text-2:#A8B3C4;
  --text-3:#6E7A8D;
  --ink:#06121A;
  --read-bg:#F6F8FA;
  --read-text:#1B2430;
  --read-text-2:#55606F;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --shadow-card:0 18px 36px rgba(0,0,0,.45);
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;background-color:transparent;transition:color .2s ease;}
a:hover{color:var(--brand);}
a:focus-visible,button:focus-visible,.btn:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0;font-family:var(--font);}
p{margin:0;}
button{font-family:inherit;}
body.drawer-open{overflow:hidden;}
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
@media (min-width:1440px){.grid-container{max-width:1320px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(10,13,20,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--grad);opacity:.55;
}
.site-header.is-scrolled{background:rgba(10,13,20,.98);box-shadow:0 12px 30px rgba(0,0,0,.55);}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--grad);
  color:var(--ink);font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 18px rgba(20,225,178,.28);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.2px;color:var(--text);}
.brand-sub{color:var(--text-3);font-weight:500;font-size:14px;margin-left:2px;}
.brand:hover .brand-text{color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-links a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;color:var(--text-2);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand);}
.nav-links a.is-active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(20,225,178,.45);}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:transparent;border:1px solid var(--line-hover);color:var(--text);
  align-items:center;justify-content:center;cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:12px 26px;font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;transition:all .22s ease;text-align:center;
}
.btn-primary{background:var(--grad);color:var(--ink);}
.btn-primary:hover{color:var(--ink);filter:brightness(1.08);box-shadow:0 0 22px rgba(20,225,178,.35);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--line-hover);color:var(--brand);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);box-shadow:inset 0 0 18px rgba(20,225,178,.15);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:9px 20px;font-size:14px;}
.btn-block{width:100%;}

/* ============ 面包屑与页头 ============ */
.page-head{padding:52px 0 4px;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);margin-bottom:22px;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand);}
.crumb-sep{color:var(--line-hover);}
.crumb-cat{color:var(--text-2);}
.crumb-current{color:var(--brand);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{max-width:860px;}
.cat-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;font-size:12px;letter-spacing:.08em;
  color:var(--brand);background:rgba(20,225,178,.1);
  border:1px solid rgba(20,225,178,.38);margin-bottom:18px;
}
.article-title{
  font-size:clamp(26px,3.4vw,42px);font-weight:800;line-height:1.22;
  letter-spacing:-.5px;color:var(--text);margin-bottom:18px;
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:14px;color:var(--text-3);}
.meta-item{white-space:nowrap;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--line-hover);display:inline-block;}

/* ============ 正文区 ============ */
.article-section{padding:44px 0 96px;}
.article-layout{align-items:flex-start;}
.reading-card{
  background:var(--read-bg);border-radius:var(--r-lg);
  padding:40px;box-shadow:var(--shadow-card);border:1px solid #E4E9EF;
}
.article-body{color:var(--read-text);font-size:17px;line-height:1.95;}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.15em;}
.article-body h2{
  position:relative;font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.4;
  color:#101820;margin:1.8em 0 .78em;padding-left:16px;letter-spacing:-.2px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--grad);
}
.article-body h3{font-size:19px;font-weight:600;line-height:1.5;color:#101820;margin:1.5em 0 .6em;}
.article-body h4{font-size:17px;font-weight:600;color:#101820;margin:1.3em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.15em 1.25em;padding:0;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.35em 0;line-height:1.9;}
.article-body blockquote{
  margin:1.5em 0;padding:16px 22px;border-radius:0 12px 12px 0;
  background:rgba(20,225,178,.09);border-left:3px solid var(--brand);
  color:var(--read-text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:14px;margin:1.6em auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--read-text-2);margin-top:10px;}
.article-body a{color:#0C7F68;text-decoration:underline;text-underline-offset:4px;}
.article-body a:hover{color:#0A6350;}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid #DDE3EA;padding:10px 14px;text-align:left;}
.article-body th{background:#EDF1F5;font-weight:600;}
.article-body code{background:#E9EEF3;border-radius:6px;padding:2px 6px;font-size:14px;}
.article-body pre{background:#10151F;color:#E7EDF5;border-radius:12px;padding:18px;overflow:auto;}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body hr{border:0;height:1px;background:#DDE3EA;margin:2em 0;}
.empty-state{
  text-align:center;padding:56px 24px;border:1px dashed #C2CCD8;border-radius:var(--r-md);
  background:#FFF;color:var(--read-text-2);
}
.empty-state .empty-icon{
  width:52px;height:52px;margin:0 auto 16px;border-radius:16px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:var(--ink);font-weight:800;font-size:22px;
}
.empty-state .empty-title{font-size:19px;font-weight:700;color:var(--read-text);margin-bottom:8px;}
.empty-state .empty-text{font-size:15px;line-height:1.8;margin-bottom:20px;}

/* ============ 正文下方组件 ============ */
.post-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.tag-pill{
  display:inline-flex;align-items:center;padding:7px 16px;border-radius:999px;
  font-size:13px;color:var(--text-2);background:var(--card);
  border:1px solid var(--line);transition:all .22s ease;
}
.tag-pill:hover{color:var(--brand);border-color:rgba(20,225,178,.45);box-shadow:0 0 16px rgba(20,225,178,.15);}
.pn-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px;}
.pn-card{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--shadow-card);transition:all .22s ease;
}
.pn-card:hover{transform:translateY(-4px);border-color:rgba(20,225,178,.45);box-shadow:0 0 0 1px rgba(20,225,178,.18),0 0 28px rgba(20,225,178,.18);}
.pn-label{display:block;font-size:12px;letter-spacing:.08em;color:var(--text-3);margin-bottom:8px;}
.pn-title{display:block;font-size:18px;font-weight:600;color:var(--text);margin-bottom:8px;}
.pn-card:hover .pn-title{color:var(--brand);}
.pn-desc{display:block;font-size:14px;line-height:1.75;color:var(--text-3);}

.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px;}
.block-title{font-size:clamp(20px,2.2vw,26px);font-weight:700;color:var(--text);}
.block-sub{font-size:14px;color:var(--text-3);margin-top:6px;}
.link-more{font-size:14px;color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.link-more:hover{text-shadow:0 0 12px rgba(20,225,178,.45);color:var(--brand);}
.related-block{margin-top:64px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-card);transition:all .22s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(20,225,178,.45);box-shadow:0 0 0 1px rgba(20,225,178,.18),0 0 28px rgba(20,225,178,.18);}
.post-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-cover img{transform:scale(1.05);}
.post-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,13,20,0) 40%,rgba(10,13,20,.72) 100%);
}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.post-cat{align-self:flex-start;font-size:12px;letter-spacing:.08em;color:var(--brand);background:rgba(20,225,178,.1);border:1px solid rgba(20,225,178,.32);border-radius:999px;padding:4px 12px;margin-bottom:12px;}
.post-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--text);margin-bottom:10px;}
.post-card:hover .post-title{color:var(--brand);}
.post-desc{
  font-size:14px;line-height:1.75;color:var(--text-3);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);margin-top:auto;}
.back-entry{margin-top:44px;display:flex;justify-content:center;}

/* ============ 侧栏 ============ */
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--shadow-card);
}
.side-title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-title::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--grad);display:inline-block;}
.toc-list li{border-bottom:1px solid rgba(34,43,58,.7);}
.toc-list li:last-child{border-bottom:0;}
.toc-list a{display:block;padding:11px 0;font-size:14px;color:var(--text-2);}
.toc-list a:hover{color:var(--brand);padding-left:4px;}
.side-links li a{display:block;padding:10px 0;font-size:14px;color:var(--text-2);border-bottom:1px solid rgba(34,43,58,.7);}
.side-links li:last-child a{border-bottom:0;}
.side-note{font-size:13px;line-height:1.8;color:var(--text-3);margin-bottom:16px;}
.badge-amber{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.06em;
  color:var(--amber);border:1px solid rgba(255,194,75,.4);background:rgba(255,194,75,.1);
  border-radius:8px;padding:4px 10px;margin-bottom:12px;
}

/* ============ 页脚 ============ */
.site-footer{border-top:1px solid transparent;position:relative;background:var(--bg-2);padding:64px 0 28px;margin-top:20px;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad);opacity:.6;}
.footer-grid{row-gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text);margin-bottom:14px;}
.footer-brand .brand-mark{width:30px;height:30px;font-size:16px;border-radius:9px;}
.footer-desc{font-size:14px;line-height:1.85;color:var(--text-3);max-width:360px;}
.footer-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.02em;}
.footer-list li{margin-bottom:10px;}
.footer-list a,.footer-list span{font-size:14px;color:var(--text-3);}
.footer-list a:hover{color:var(--brand);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);margin-top:48px;padding-top:22px;font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom a:hover{color:var(--brand);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .grid-container{padding-left:22px;padding-right:22px;}
}
@media (max-width:991px){
  .header-inner{height:60px;gap:16px;}
  .brand-text{font-size:16px;}
  .brand-sub{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .header-actions .btn{display:none;}
  .nav-links{
    position:fixed;top:60px;right:0;bottom:0;width:min(320px,86vw);margin:0;
    background:#0A0D14;border-left:2px solid var(--brand);
    flex-direction:column;align-items:stretch;gap:0;padding:10px 0 24px;
    transform:translateX(100%);transition:transform .26s ease;overflow-y:auto;z-index:99;
    box-shadow:-18px 0 40px rgba(0,0,0,.6);
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-links li{border-bottom:1px solid rgba(34,43,58,.85);}
  .nav-links a{display:block;padding:15px 22px;font-size:15px;color:var(--text-2);}
  .nav-links a::after{display:none;}
  .nav-links a.is-active,.nav-links a:hover{color:var(--brand);background:rgba(20,225,178,.06);}
  .reading-card{padding:30px;}
  .side-sticky{position:static;top:auto;margin-top:36px;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .article-section{padding:36px 0 72px;}
  .page-head{padding:40px 0 0;}
}
@media (max-width:767px){
  .reading-card{padding:22px;border-radius:var(--r-md);}
  .article-body{font-size:16.5px;line-height:1.9;}
  .article-title{font-size:clamp(24px,6vw,32px);}
  .pn-grid{grid-template-columns:1fr;gap:16px;}
  .related-grid{grid-template-columns:1fr;gap:18px;}
  .crumb-current{max-width:180px;}
  .article-section{padding:28px 0 56px;}
  .related-block{margin-top:48px;}
  .site-footer{padding:48px 0 24px;}
  .footer-grid{row-gap:28px;}
}
@media (max-width:520px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .article-meta{font-size:13px;}
  .btn{width:100%;}
  .back-entry .btn{width:100%;}
  .block-head{flex-direction:column;align-items:flex-start;gap:10px;}
}

/* roulang page: category1 */
:root{
  --bg:#0A0D14;
  --bg-2:#10151F;
  --card:#141A26;
  --line:#222B3A;
  --line-hover:#2E3A4E;
  --brand:#14E1B2;
  --brand-2:#FF4D9D;
  --brand-3:#4E8BFF;
  --grad:linear-gradient(135deg,#14E1B2 0%,#4E8BFF 48%,#FF4D9D 100%);
  --amber:#FFC24B;
  --text:#F2F5FA;
  --text-2:#A8B3C4;
  --text-3:#6E7A8D;
  --ink:#06121A;
  --paper:#F6F8FA;
  --paper-ink:#1B2430;
  --paper-sub:#55606F;
  --ok:#14E1B2;
  --info:#4E8BFF;
  --warn:#FFB020;
  --err:#FF5A6E;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --r-badge:8px;
  --shadow:0 18px 36px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(20,225,178,.18),0 0 28px rgba(20,225,178,.18);
  --ease:220ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:112px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body,.off-canvas-content{background:var(--bg);color:var(--text);}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:#7ff2d8;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media screen and (min-width:1440px){.grid-container{max-width:1320px;}}
::selection{background:rgba(20,225,178,.28);color:#fff;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(10,13,20,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:var(--grad);
  opacity:.55;
}
.site-header.is-scrolled{background:rgba(10,13,20,.98);box-shadow:0 14px 34px rgba(0,0,0,.6);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:17px;letter-spacing:.01em;}
.brand:hover{color:var(--text);}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:9px;
  background:var(--grad);
  color:var(--ink);
  font-weight:800;
  font-size:16px;
  line-height:1;
  text-transform:lowercase;
  box-shadow:0 0 18px rgba(20,225,178,.35);
}
.nav-links{display:flex;align-items:center;gap:26px;margin:0;padding:0;list-style:none;}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:24px 0;
  color:var(--text-2);
  font-size:15px;
  font-weight:500;
  letter-spacing:.01em;
}
.nav-links a::after{
  content:"";
  position:absolute;left:0;right:0;bottom:16px;height:2px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--ease);
  border-radius:2px;
}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand);text-shadow:0 0 12px rgba(20,225,178,.45);}
.nav-links a.is-active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(20,225,178,.55);}
.header-actions{display:flex;align-items:center;gap:12px;}
.menu-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line-hover);
  background:transparent;
  color:var(--text);
  font-size:16px;
  transition:border-color var(--ease),color var(--ease);
}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  letter-spacing:.02em;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease),filter var(--ease),color var(--ease);
}
.btn-primary{background:var(--grad);color:var(--ink);}
.btn-primary:hover{color:var(--ink);filter:brightness(1.08);box-shadow:0 0 22px rgba(20,225,178,.35);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--line-hover);color:var(--brand);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);box-shadow:inset 0 0 18px rgba(20,225,178,.16);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{display:flex;width:100%;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);
  font-size:14px;
  font-weight:600;
  border-bottom:1px solid rgba(20,225,178,.45);
  padding-bottom:2px;
  transition:box-shadow var(--ease),color var(--ease);
}
.text-link:hover{color:#8ff5de;box-shadow:0 6px 16px rgba(20,225,178,.25);}
.text-link i{font-size:12px;transition:transform var(--ease);}
.text-link:hover i{transform:translateX(3px);}

/* ---------- 抽屉（移动端） ---------- */
.off-canvas{
  background:var(--bg-2);
  border-left:2px solid var(--brand);
  box-shadow:-20px 0 60px rgba(0,0,0,.65);
}
.off-canvas.position-right{width:min(86vw,340px);transform:translateX(min(86vw,340px));}
.off-canvas.position-right.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:20px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:38px;height:38px;border-radius:10px;
  background:transparent;border:1px solid var(--line-hover);
  color:var(--text-2);font-size:15px;
  transition:border-color var(--ease),color var(--ease);
}
.drawer-close:hover{border-color:var(--brand);color:var(--brand);}
.drawer-links{padding:8px 0;}
.drawer-links li{border-bottom:1px solid rgba(34,43,58,.7);}
.drawer-links a{display:block;padding:16px 20px;color:var(--text-2);font-size:15px;font-weight:500;}
.drawer-links a:hover{color:var(--text);background:rgba(20,225,178,.06);}
.drawer-links a.is-active{color:var(--brand);border-left:3px solid var(--brand);background:rgba(20,225,178,.08);}
.drawer-foot{padding:20px;border-top:1px solid var(--line);}

/* ---------- 页面头部 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:96px 0 80px;
  background:linear-gradient(180deg,rgba(10,13,20,.93) 0%,rgba(10,13,20,.97) 60%,var(--bg) 100%),url(/assets/images/backpic/back-1.png) center/cover no-repeat;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:66px 66px;
  mask-image:radial-gradient(ellipse at 30% 20%,rgba(0,0,0,.9),transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse at 30% 20%,rgba(0,0,0,.9),transparent 72%);
  pointer-events:none;
}
.hero-glow{position:absolute;border-radius:50%;filter:blur(80px);opacity:.3;pointer-events:none;}
.hero-glow-a{width:380px;height:380px;background:var(--brand);top:-120px;left:-80px;}
.hero-glow-b{width:340px;height:340px;background:var(--brand-2);bottom:-140px;right:-60px;}
.page-hero .grid-container{position:relative;z-index:2;}
.crumbs{font-size:13px;color:var(--text-3);margin-bottom:18px;}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{margin:0 8px;color:var(--line-hover);}
.crumbs .cur{color:var(--brand);}
.page-hero h1{
  font-size:clamp(30px,4.2vw,52px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.5px;
  margin-bottom:18px;
}
.page-hero h1 em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{color:var(--text-2);font-size:17px;line-height:1.85;max-width:640px;margin-bottom:26px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(20,26,38,.85);
  color:var(--text-2);
  font-size:13px;
  letter-spacing:.02em;
  transition:border-color var(--ease),color var(--ease),box-shadow var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand);box-shadow:0 0 16px rgba(20,225,178,.18);}
.chip.is-on{border-color:rgba(20,225,178,.55);color:var(--brand);background:rgba(20,225,178,.1);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-visual{
  position:relative;
  margin-top:36px;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;filter:saturate(.95);}
.hero-visual::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,13,20,.12) 0%,rgba(10,13,20,.78) 100%);
  pointer-events:none;
}
.hero-badge{
  position:absolute;
  right:18px;bottom:18px;
  z-index:3;
  display:flex;align-items:baseline;gap:8px;
  padding:10px 16px;
  border-radius:var(--r-badge);
  background:rgba(10,13,20,.82);
  border:1px solid var(--line-hover);
  backdrop-filter:blur(8px);
}
.badge-num{
  font-size:24px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.badge-txt{font-size:12px;letter-spacing:.08em;color:var(--text-2);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{margin-bottom:44px;}
.section-kicker{
  display:inline-block;
  font-size:12px;
  letter-spacing:.16em;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,2.6vw,36px);font-weight:700;line-height:1.25;margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:16px;max-width:720px;margin:0;}

/* ---------- 目录 + 分组布局 ---------- */
.index-layout{padding:80px 0 96px;}
.toc-card{
  position:sticky;
  top:100px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px;
  box-shadow:var(--shadow);
}
.toc-title{
  font-size:12px;
  letter-spacing:.16em;
  color:var(--text-3);
  text-transform:uppercase;
  padding-bottom:16px;
  margin-bottom:8px;
  border-bottom:1px solid var(--line);
}
.toc-list{margin-bottom:20px;}
.toc-list li{border-bottom:1px dashed rgba(34,43,58,.9);}
.toc-list li:last-child{border-bottom:none;}
.toc-list a{
  display:flex;align-items:center;gap:10px;
  padding:14px 2px;
  color:var(--text-2);
  font-size:14.5px;
  transition:color var(--ease),padding-left var(--ease);
}
.toc-list a:hover{color:var(--brand);padding-left:6px;}
.toc-idx{
  font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;
  color:var(--text-3);
  letter-spacing:.06em;
}
.toc-list a:hover .toc-idx{color:var(--brand);}
.toc-foot{display:flex;gap:14px;margin-bottom:20px;}
.toc-meta{
  flex:1;
  display:flex;flex-direction:column;gap:2px;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:var(--bg-2);
}
.toc-meta span{font-size:12px;color:var(--text-3);letter-spacing:.06em;}
.toc-meta strong{
  font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.group-block{margin-bottom:56px;}
.group-block:last-child{margin-bottom:0;}
.group-head{
  position:relative;
  padding-left:18px;
  margin-bottom:26px;
}
.group-head::before{
  content:"";
  position:absolute;left:0;top:6px;bottom:6px;
  width:4px;border-radius:4px;
  background:var(--grad);
}
.group-index{
  display:block;
  font-size:12px;
  letter-spacing:.16em;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
  margin-bottom:4px;
}
.group-head h2{font-size:clamp(21px,2.1vw,27px);line-height:1.3;margin-bottom:8px;}
.group-note{color:var(--text-2);font-size:14.5px;margin:0;max-width:680px;}

.card-grid > .cell{margin-bottom:24px;}
.topic-card{
  height:100%;
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:28px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.topic-card:hover{transform:translateY(-4px);border-color:rgba(20,225,178,.45);box-shadow:var(--shadow),var(--glow);}
.topic-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;
  border-radius:12px;
  background:rgba(20,225,178,.1);
  border:1px solid rgba(20,225,178,.28);
  color:var(--brand);
  font-size:16px;
}
.topic-card h3{font-size:18.5px;font-weight:600;line-height:1.45;}
.topic-card p{
  margin:0;
  color:var(--text-2);
  font-size:14.5px;
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.topic-card .text-link{margin-top:auto;}
.topic-tag{
  align-self:flex-start;
  padding:4px 10px;
  border-radius:var(--r-badge);
  background:rgba(78,139,255,.12);
  border:1px solid rgba(78,139,255,.3);
  color:#9dc0ff;
  font-size:12px;
  letter-spacing:.08em;
}

/* ---------- 数据带 ---------- */
.metrics-band{
  padding:64px 0;
  background:linear-gradient(180deg,var(--bg-2) 0%,var(--bg) 100%);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.metric{
  height:100%;
  padding:26px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.metric:hover{border-color:rgba(20,225,178,.45);box-shadow:var(--glow);}
.metric-num{
  font-size:clamp(28px,3vw,40px);
  font-weight:800;
  font-variant-numeric:tabular-nums;
  line-height:1.1;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric-label{
  font-size:13px;
  letter-spacing:.08em;
  color:var(--amber);
  margin:8px 0 6px;
}
.metric p{color:var(--text-2);font-size:13.5px;line-height:1.75;margin:0;}

/* ---------- 相关入口 ---------- */
.entry-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  height:100%;
  padding:26px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.entry-card:hover{transform:translateY(-4px);border-color:rgba(20,225,178,.45);box-shadow:var(--shadow),var(--glow);}
.entry-card h3{font-size:18px;font-weight:600;}
.entry-card p{color:var(--text-2);font-size:14.5px;line-height:1.8;margin:0;}
.entry-card .text-link{margin-top:auto;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion{background:transparent;border:none;margin:0;}
.accordion-item{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:16px;
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.accordion-item:hover{border-color:var(--line-hover);}
.accordion-item.is-active{border-color:rgba(20,225,178,.45);box-shadow:var(--glow);}
.accordion-item.is-active::before{
  content:"";
  position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--grad);
}
.accordion-title{
  display:block;
  border:none;
  background:transparent;
  color:var(--text);
  font-size:16.5px;
  font-weight:600;
  line-height:1.6;
  padding:20px 58px 20px 24px;
  transition:color var(--ease);
}
.accordion-title:hover,.accordion-title:focus{background:transparent;color:var(--brand);}
.accordion-title::before{
  content:"+";
  position:absolute;
  right:24px;top:50%;
  left:auto;
  margin:0;
  transform:translateY(-50%);
  color:var(--brand);
  font-size:20px;
  font-weight:400;
  line-height:1;
}
.accordion-item.is-active .accordion-title::before{content:"−";}
.accordion-content{
  display:none;
  background:transparent;
  border:none;
  border-top:1px solid var(--line);
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
  padding:18px 24px 22px;
}
.accordion-content p{margin:0;}
.accordion-item.is-active > .accordion-content{display:block;}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  margin:0 0 96px;
}
.cta-inner{
  position:relative;
  padding:52px 44px;
  border-radius:var(--r-lg);
  border:1px solid rgba(20,225,178,.35);
  background:linear-gradient(135deg,rgba(20,225,178,.1) 0%,rgba(78,139,255,.08) 50%,rgba(255,77,157,.1) 100%),var(--card);
  box-shadow:var(--shadow);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;margin-bottom:10px;}
.cta-inner p{color:var(--text-2);font-size:15px;margin:0;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--bg-2);
  padding:72px 0 28px;
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";
  position:absolute;left:0;right:0;top:-1px;height:1px;
  background:var(--grad);
  opacity:.7;
}
.footer-grid{margin-bottom:44px;}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:var(--text);
  margin-bottom:14px;
}
.footer-desc{color:var(--text-2);font-size:14px;line-height:1.85;max-width:340px;margin:0;}
.footer-title{
  font-size:12px;letter-spacing:.16em;color:var(--text-3);
  text-transform:uppercase;margin-bottom:16px;
}
.footer-list li{margin-bottom:10px;}
.footer-list a,.footer-list span{color:var(--text-2);font-size:14px;}
.footer-list a:hover{color:var(--brand);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding-top:22px;
  border-top:1px solid var(--line);
  color:var(--text-3);
  font-size:13px;
}
.footer-bottom a{color:var(--text-2);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .page-hero{padding:84px 0 68px;}
  .section{padding:80px 0;}
  .index-layout{padding:64px 0 80px;}
}
@media screen and (max-width:991px){
  .nav-links,.header-actions .btn{display:none;}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .site-header::after{opacity:.4;}
  .page-hero{padding:72px 0 60px;}
  .hero-visual{margin-top:28px;}
  .toc-card{position:static;margin-bottom:36px;}
  .section{padding:72px 0;}
  .cta-inner{padding:40px 30px;}
}
@media screen and (max-width:767px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .header-inner{height:60px;}
  .brand{font-size:16px;}
  .page-hero{padding:56px 0 48px;}
  .page-hero h1{font-size:clamp(28px,7.4vw,34px);}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .index-layout{padding:48px 0 56px;}
  .topic-card,.metric,.entry-card,.toc-card{padding:20px;}
  .card-grid > .cell{margin-bottom:16px;}
  .group-block{margin-bottom:44px;}
  .cta-inner{padding:32px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .cta-band{margin-bottom:56px;}
  .site-footer{padding:56px 0 24px;}
  .footer-grid > .cell{margin-bottom:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:520px){
  .chip{padding:7px 13px;font-size:12.5px;}
  .accordion-title{font-size:15.5px;padding:16px 50px 16px 18px;}
  .accordion-title::before{right:18px;}
  .accordion-content{padding:16px 18px 20px;}
  .topic-card h3{font-size:17px;}
}

/* roulang page: category2 */
:root{
  --bg:#0A0D14;
  --bg-2:#10151F;
  --card:#141A26;
  --line:#222B3A;
  --line-hover:#2E3A4E;
  --brand:#14E1B2;
  --brand-2:#FF4D9D;
  --brand-3:#4E8BFF;
  --grad:linear-gradient(135deg,#14E1B2 0%,#4E8BFF 48%,#FF4D9D 100%);
  --amber:#FFC24B;
  --text:#F2F5FA;
  --text-2:#A8B3C4;
  --text-3:#6E7A8D;
  --ink:#06121A;
  --read-bg:#F6F8FA;
  --read-text:#1B2430;
  --read-sub:#55606F;
  --warn:#FFB020;
  --error:#FF5A6E;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --shadow:0 18px 36px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(20,225,178,.18),0 0 28px rgba(20,225,178,.18);
  --header-h:72px;
  --sec:96px;
}
@media (max-width:991px){:root{--header-h:60px;--sec:72px;}}
@media (max-width:767px){:root{--sec:56px;}}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:var(--header-h);
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
::selection{background:rgba(20,225,178,.35);color:#fff;}

.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media (min-width:1440px){.grid-container{max-width:1320px;}}
@media (max-width:767px){.grid-container{padding-left:18px;padding-right:18px;}}

.section{padding:var(--sec) 0;}
.section-tight{padding:calc(var(--sec) * .72) 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25;letter-spacing:-.2px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;color:var(--brand);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--grad);border-radius:2px;}
.lead{color:var(--text-2);font-size:16px;line-height:1.9;max-width:760px;}
.muted{color:var(--text-3);font-size:14px;line-height:1.75;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .22s ease;
  text-align:center;line-height:1.4;
}
.btn-primary{background:var(--grad);color:var(--ink);}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 22px rgba(20,225,178,.35);color:var(--ink);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--line-hover);color:var(--brand);}
.btn-ghost:hover{border-color:var(--brand);box-shadow:inset 0 0 18px rgba(20,225,178,.18);color:var(--brand);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:9px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;
}
/* 覆盖 Foundation 默认按钮与链接 */
.button,.button.primary,.button.secondary{
  background:var(--grad);color:var(--ink);border-radius:999px;border:0;
}
.button:hover,.button:focus{background:var(--grad);filter:brightness(1.08);color:var(--ink);}
a:not(.btn):not(.brand):not(.card-link){color:var(--brand);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--brand);
  text-decoration:underline;text-underline-offset:4px;transition:text-shadow .22s ease;
}
.text-link:hover{text-shadow:0 0 14px rgba(20,225,178,.55);}
.text-link i{font-size:12px;}

/* 头部导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(10,13,20,.92);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--grad);opacity:.85;}
.site-header.is-scrolled{background:rgba(10,13,20,.98);box-shadow:0 12px 32px rgba(0,0,0,.55);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:var(--header-h);}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text);letter-spacing:.2px;white-space:nowrap;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:30px;height:30px;border-radius:9px;background:var(--grad);color:var(--ink);
  display:grid;place-items:center;font-weight:800;font-size:15px;
}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  position:relative;display:block;padding:9px 13px;border-radius:999px;
  font-size:15px;color:var(--text-2);transition:color .2s ease;
}
.nav-links a:hover{color:var(--text);}
.nav-links a.is-active{color:var(--brand);text-shadow:0 0 12px rgba(20,225,178,.45);}
.nav-links a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;background:var(--grad);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line-hover);
  background:transparent;color:var(--text);cursor:pointer;align-items:center;justify-content:center;
  transition:border-color .2s ease;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:120;
  background:var(--bg-2);border-left:2px solid var(--brand);
  transform:translateX(102%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-brand{font-weight:700;font-size:16px;color:var(--text);}
.drawer-close{background:transparent;border:1px solid var(--line-hover);color:var(--text-2);width:36px;height:36px;border-radius:10px;cursor:pointer;}
.drawer-close:hover{color:var(--brand);border-color:var(--brand);}
.drawer-nav{margin-top:8px;}
.drawer-nav a{display:block;padding:14px 4px;font-size:15px;color:var(--text-2);border-bottom:1px solid rgba(34,43,58,.7);}
.drawer-nav a:hover{color:var(--text);}
.drawer-nav a.is-active{color:var(--brand);}
.drawer-cta{margin-top:auto;padding-top:20px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,7,12,.72);z-index:110;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* 页头 */
.page-head{
  position:relative;overflow:hidden;
  padding:64px 0 56px;
  background:
    linear-gradient(180deg,rgba(10,13,20,.86) 0%,rgba(10,13,20,.94) 60%,var(--bg) 100%),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-head::before{
  content:"";position:absolute;top:-120px;left:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,225,178,.28),transparent 70%);filter:blur(70px);
}
.page-head::after{
  content:"";position:absolute;right:-100px;bottom:-160px;width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,157,.24),transparent 70%);filter:blur(80px);
}
.page-head .grid-container{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:var(--line-hover);}
.crumbs .current{color:var(--brand);}
.page-head h1{
  font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.5px;
  max-width:900px;
}
.page-head h1 em{
  font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-head .lead{margin-top:20px;}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:7px 15px;border-radius:999px;
  border:1px solid var(--line);background:rgba(20,26,38,.7);font-size:13px;color:var(--text-2);
  transition:all .22s ease;
}
.chip:hover{border-color:rgba(20,225,178,.5);color:var(--text);}
.chip.is-on{border-color:rgba(20,225,178,.55);color:var(--brand);background:rgba(20,225,178,.08);}

/* 头条大卡 */
.feature{
  position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);aspect-ratio:16/7;min-height:320px;
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.feature:hover{border-color:rgba(20,225,178,.45);box-shadow:var(--glow),var(--shadow);transform:translateY(-4px);}
.feature img{width:100%;height:100%;object-fit:cover;}
.feature-mask{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(6,12,20,.94) 0%,rgba(8,14,22,.78) 46%,rgba(8,14,22,.28) 100%),
             linear-gradient(180deg,rgba(6,12,20,.1) 0%,rgba(6,12,20,.72) 100%);
}
.feature-body{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:40px;gap:14px;}
.feature-body h2{font-size:clamp(22px,2.5vw,34px);line-height:1.28;max-width:720px;}
.feature-body p{color:var(--text-2);font-size:15px;line-height:1.8;max-width:620px;}
.feature-tag{align-self:flex-start;padding:6px 14px;border-radius:999px;background:rgba(255,194,75,.14);border:1px solid rgba(255,194,75,.45);color:var(--amber);font-size:12px;letter-spacing:.08em;}
.feature-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px;}

/* 卡片通用 */
.card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow);overflow:hidden;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(20,225,178,.45);box-shadow:var(--glow),var(--shadow);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-media .tag{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:8px;
  background:rgba(10,13,20,.82);border:1px solid var(--line-hover);font-size:12px;color:var(--brand);
  letter-spacing:.06em;
}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:19px;font-weight:600;line-height:1.45;}
.card-body p{color:var(--text-2);font-size:14px;line-height:1.8;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px;font-size:13px;color:var(--text-3);}
.card-index{
  font-size:13px;color:var(--amber);letter-spacing:.1em;font-variant-numeric:tabular-nums;
}
.offset-up{margin-top:-24px;}
@media (max-width:991px){.offset-up{margin-top:0;}}

/* 票券式清单 */
.ticket-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.ticket{
  position:relative;padding:22px 22px 22px 26px;border-radius:var(--r-md);
  background:linear-gradient(180deg,rgba(20,26,38,.96),rgba(16,21,31,.96));
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.ticket::before{content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:3px;background:var(--grad);}
.ticket:hover{transform:translateY(-4px);border-color:rgba(20,225,178,.45);box-shadow:var(--glow),var(--shadow);}
.ticket .num{
  font-size:clamp(26px,2.6vw,36px);font-weight:800;line-height:1;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.ticket h3{font-size:17px;font-weight:600;margin:12px 0 8px;}
.ticket p{color:var(--text-2);font-size:14px;line-height:1.8;}

/* 数据徽章 */
.badges{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.badge{
  display:flex;flex-direction:column;gap:4px;padding:14px 20px;border-radius:8px;
  border:1px solid var(--line);background:rgba(20,26,38,.75);min-width:150px;
  transition:border-color .22s ease;
}
.badge:hover{border-color:var(--brand);}
.badge strong{
  font-size:clamp(22px,2.2vw,30px);font-weight:800;line-height:1;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.badge span{font-size:12px;color:var(--text-3);letter-spacing:.08em;}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--card);
  box-shadow:var(--shadow);overflow:hidden;transition:border-color .22s ease;
}
.faq-item:hover{border-color:var(--line-hover);}
.faq-item.is-open{border-color:rgba(20,225,178,.45);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  color:var(--text);font-size:17px;font-weight:600;line-height:1.5;
}
.faq-q i{font-size:14px;color:var(--brand);transition:transform .2s ease;flex-shrink:0;}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a-inner{
  padding:0 22px 22px 22px;color:var(--text-2);font-size:15px;line-height:1.85;
  border-left:3px solid transparent;
}
.faq-item.is-open .faq-a-inner{border-left:3px solid var(--brand);margin-left:0;}

/* CTA 窄带 */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(20,225,178,.14) 0%,rgba(78,139,255,.1) 48%,rgba(255,77,157,.16) 100%),var(--card);
  padding:48px;box-shadow:var(--shadow);
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,157,.3),transparent 70%);filter:blur(70px);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.cta-inner h2{font-size:clamp(22px,2.4vw,32px);line-height:1.3;}
.cta-inner p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* 页脚 */
.site-footer{
  margin-top:calc(var(--sec) * .8);
  background:var(--bg-2);border-top:1px solid var(--line);position:relative;
}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:var(--grad);}
.footer-grid{padding:60px 0 40px;row-gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text);margin-bottom:14px;}
.footer-desc{color:var(--text-2);font-size:14px;line-height:1.85;max-width:340px;}
.footer-title{font-size:13px;letter-spacing:.1em;color:var(--text);margin-bottom:16px;font-weight:600;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a,.footer-list span{font-size:14px;color:var(--text-2);}
.footer-list a:hover{color:var(--brand);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding:20px 0 28px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand);}

/* 通用文字块 */
.note-box{
  border-left:3px solid var(--brand);background:rgba(20,225,178,.06);
  border-radius:0 var(--r-sm) var(--r-sm) 0;padding:18px 22px;color:var(--text-2);font-size:14px;line-height:1.85;
}
.check-list{display:flex;flex-direction:column;gap:12px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;color:var(--text-2);font-size:15px;line-height:1.8;}
.check-list i{color:var(--brand);margin-top:7px;font-size:13px;flex-shrink:0;}

@media (max-width:1199px){
  .ticket-strip{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn{display:none;}
  .feature{aspect-ratio:16/9;}
  .feature-body{padding:28px;}
  .cta-band{padding:34px;}
}
@media (max-width:767px){
  .badges{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;scrollbar-width:none;}
  .badges::-webkit-scrollbar{display:none;}
  .badge{flex:0 0 auto;min-width:136px;padding:12px 16px;}
  .ticket-strip{grid-template-columns:1fr;}
  .card-body{padding:20px;}
  .feature-body{padding:22px;gap:10px;}
  .feature-body p{font-size:14px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-q{padding:16px 18px;font-size:16px;}
  .faq-a-inner{padding:0 18px 18px 18px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
  --bg:#0A0D14;
  --bg-2:#10151F;
  --card:#141A26;
  --line:#222B3A;
  --line-hi:#2E3A4E;
  --brand:#14E1B2;
  --brand-2:#FF4D9D;
  --blue:#4E8BFF;
  --amber:#FFC24B;
  --text:#F2F5FA;
  --text-2:#A8B3C4;
  --text-3:#6E7A8D;
  --ink:#06121A;
  --grad:linear-gradient(135deg,#14E1B2 0%,#4E8BFF 48%,#FF4D9D 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --shadow:0 18px 36px rgba(0,0,0,.45);
  --ease:220ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--brand);text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
button{font:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px}
@media (min-width:1440px){.grid-container{max-width:1320px}}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶栏导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  height:72px;display:flex;align-items:center;
  background:rgba(10,13,20,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--grad);opacity:.45;
}
.site-header.is-scrolled{background:rgba(8,10,16,.97);box-shadow:0 12px 32px rgba(0,0,0,.55)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--grad);color:var(--ink);font-weight:800;font-size:17px;
  box-shadow:0 0 20px rgba(20,225,178,.35);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.3px;white-space:nowrap}
.brand-sub{color:var(--text-3);font-weight:600;font-size:13px;margin-left:2px}
.main-nav{flex:1 1 auto;display:flex;justify-content:center}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links a{
  position:relative;display:inline-block;padding:8px 2px;
  color:var(--text-2);font-size:15px;transition:color var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--brand);text-shadow:0 0 12px rgba(20,225,178,.45)}
.nav-links a.is-active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(20,225,178,.45)}
.header-actions{flex:0 0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;
  font-weight:600;font-size:15px;padding:12px 26px;line-height:1.2;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{background:var(--grad);color:var(--ink);box-shadow:0 8px 24px rgba(20,225,178,.18)}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 22px rgba(20,225,178,.35)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--line-hi)}
.btn-ghost:hover{border-color:var(--brand);box-shadow:inset 0 0 18px rgba(20,225,178,.14),0 0 18px rgba(20,225,178,.18)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 20px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:40px;border:1px solid var(--line-hi);border-radius:12px;
  background:transparent;padding:0;place-items:center;gap:5px;flex-direction:column;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-2);border-radius:2px;transition:var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);background:var(--brand)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);background:var(--brand)}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:120;background:rgba(6,9,14,.66);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(320px,84vw);
  background:var(--bg-2);border-left:1px solid var(--brand);
  padding:24px 20px;display:flex;flex-direction:column;gap:8px;
  transform:translateX(100%);transition:transform 260ms ease;
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-title{font-size:13px;letter-spacing:.08em;color:var(--text-3);margin-bottom:6px}
.drawer-panel a{
  display:block;color:var(--text-2);font-size:15px;padding:14px 4px;
  border-bottom:1px solid var(--line);transition:color var(--ease)
}
.drawer-panel a:hover{color:var(--brand)}
.drawer-panel a.is-active{color:var(--brand);font-weight:600}
.drawer-cta{margin-top:18px}
.drawer-cta .btn{width:100%}
body.drawer-open{overflow:hidden}

/* ============ 页头 ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:132px 0 72px;
  background:var(--bg) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,13,20,.84) 0%,rgba(10,13,20,.92) 58%,#0A0D14 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:46px 46px;
}
.hero-glow{position:absolute;border-radius:50%;filter:blur(80px);opacity:.3;pointer-events:none}
.hero-glow.g1{width:360px;height:360px;background:var(--brand);top:-90px;left:-60px}
.hero-glow.g2{width:300px;height:300px;background:var(--brand-2);bottom:-120px;right:-40px}
.hero-inner{position:relative;z-index:2}
.crumbs{font-size:13px;color:var(--text-3);margin-bottom:18px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:var(--line-hi)}
.crumbs .current{color:var(--brand)}
.page-hero h1{
  font-size:clamp(30px,4.2vw,52px);
  font-weight:800;line-height:1.15;letter-spacing:-.5px;
  max-width:900px;
}
.page-hero h1 em{
  font-style:normal;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.lead{
  margin-top:20px;max-width:760px;color:var(--text-2);font-size:17px;line-height:1.9;
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;border:1px solid var(--line);
  background:rgba(16,21,31,.7);color:var(--text-2);
  font-size:13px;letter-spacing:.02em;transition:var(--ease);
}
.chip.is-active{
  color:var(--brand);border-color:rgba(20,225,178,.45);
  box-shadow:0 0 0 1px rgba(20,225,178,.16),0 0 20px rgba(20,225,178,.16);
}
.chip:hover{border-color:var(--line-hi);color:var(--text)}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-alt{background:var(--bg-2)}
.sec-head{max-width:760px;margin-bottom:48px}
.sec-tag{
  display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--brand);
  border:1px solid rgba(20,225,178,.35);border-radius:8px;padding:5px 12px;margin-bottom:16px;
}
.sec-head h2{
  font-size:clamp(24px,2.6vw,36px);font-weight:700;line-height:1.25;letter-spacing:-.4px;
}
.sec-head p{margin-top:14px;color:var(--text-2);font-size:15.5px;line-height:1.85}

/* ============ 时间线 ============ */
.timeline{position:relative;padding:8px 0}
.timeline::before{
  content:"";position:absolute;top:0;bottom:0;left:50%;width:2px;margin-left:-1px;
  background:linear-gradient(180deg,#14E1B2 0%,#4E8BFF 50%,#FF4D9D 100%);
  opacity:.55;border-radius:2px;
}
.tl-item{
  display:grid;grid-template-columns:1fr 104px 1fr;align-items:center;
  position:relative;margin-bottom:36px;
}
.tl-item:last-child{margin-bottom:0}
.tl-node{
  grid-column:2;grid-row:1;justify-self:center;
  width:18px;height:18px;border-radius:50%;background:var(--bg);
  border:2px solid var(--brand);
  box-shadow:0 0 0 6px rgba(20,225,178,.08),0 0 18px rgba(20,225,178,.55);
  position:relative;z-index:2;
}
.tl-item:nth-child(2n) .tl-node{border-color:var(--blue);box-shadow:0 0 0 6px rgba(78,139,255,.08),0 0 18px rgba(78,139,255,.5)}
.tl-item:nth-child(3n) .tl-node{border-color:var(--brand-2);box-shadow:0 0 0 6px rgba(255,77,157,.08),0 0 18px rgba(255,77,157,.45)}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px;box-shadow:var(--shadow);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.tl-card:hover{
  transform:translateY(-4px);
  border-color:rgba(20,225,178,.45);
  box-shadow:0 0 0 1px rgba(20,225,178,.18),0 0 28px rgba(20,225,178,.18);
}
.tl-item.is-left .tl-card{grid-column:1;grid-row:1;margin-right:12px}
.tl-item.is-right .tl-card{grid-column:3;grid-row:1;margin-left:12px}
.tl-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.tl-index{
  font-variant-numeric:tabular-nums;font-weight:800;font-size:20px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.tag{
  display:inline-block;padding:4px 10px;border-radius:8px;
  font-size:12px;letter-spacing:.06em;color:var(--text-2);
  border:1px solid var(--line-hi);background:rgba(10,13,20,.6);
}
.tag-amber{color:var(--amber);border-color:rgba(255,194,75,.35);background:rgba(255,194,75,.08)}
.tag-brand{color:var(--brand);border-color:rgba(20,225,178,.35);background:rgba(20,225,178,.08)}
.tl-card h3{font-size:19px;font-weight:600;line-height:1.45;margin-bottom:10px}
.tl-card p{color:var(--text-2);font-size:15px;line-height:1.85}
.pts{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.pts li{
  position:relative;padding-left:18px;color:var(--text-3);font-size:13.5px;line-height:1.75;
}
.pts li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;
  background:var(--brand);
}

/* ============ 时效数据条 ============ */
.stat-strip{
  margin-top:56px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:22px 20px;transition:border-color var(--ease),box-shadow var(--ease);
}
.stat:hover{border-color:rgba(20,225,178,.45);box-shadow:0 0 0 1px rgba(20,225,178,.14),0 0 22px rgba(20,225,178,.14)}
.stat-num{
  font-size:clamp(28px,3vw,40px);font-weight:800;line-height:1;
  font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-num small{font-size:14px;font-weight:600;margin-left:4px}
.stat-label{margin-top:10px;color:var(--text-2);font-size:13.5px}
.stat-note{margin-top:6px;color:var(--text-3);font-size:12.5px;line-height:1.7}

/* ============ 票券式速览卡 ============ */
.tickets{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ticket{
  position:relative;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.ticket::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);z-index:3;
}
.ticket:hover{
  transform:translateY(-4px);
  border-color:rgba(20,225,178,.45);
  box-shadow:0 0 0 1px rgba(20,225,178,.18),0 0 28px rgba(20,225,178,.18);
}
.ticket-media{position:relative;aspect-ratio:16/9;overflow:hidden}
.ticket-media img{width:100%;height:100%;transition:transform 400ms ease}
.ticket:hover .ticket-media img{transform:scale(1.04)}
.ticket-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,13,20,.15) 0%,rgba(10,13,20,.75) 100%);
}
.ticket-body{padding:24px 28px 28px}
.ticket-body h3{font-size:19px;font-weight:600;margin:12px 0 10px;line-height:1.45}
.ticket-body p{color:var(--text-2);font-size:14.5px;line-height:1.85}
.ticket-foot{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line-hi);
  display:flex;flex-wrap:wrap;gap:8px;
}
.ticket-foot span{
  font-size:12.5px;color:var(--text-3);border:1px solid var(--line);
  border-radius:999px;padding:4px 12px;
}
.ticket.is-featured{border-color:rgba(20,225,178,.4)}

/* ============ 场景双列 ============ */
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.scene-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(20,225,178,.4);box-shadow:0 0 0 1px rgba(20,225,178,.16),0 0 26px rgba(20,225,178,.16)}
.scene-card.highlight{border-color:rgba(255,77,157,.35)}
.scene-card h3{font-size:20px;font-weight:600;margin-bottom:8px}
.scene-card .scene-sub{color:var(--text-3);font-size:13.5px;margin-bottom:20px}
.check-list{display:flex;flex-direction:column;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start;color:var(--text-2);font-size:15px;line-height:1.8}
.check-list i{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;margin-top:6px;
  display:grid;place-items:center;font-size:11px;
  background:rgba(20,225,178,.12);color:var(--brand);border:1px solid rgba(20,225,178,.35);
}
.scene-card.highlight .check-list i{background:rgba(255,77,157,.12);color:var(--brand-2);border-color:rgba(255,77,157,.35)}

/* ============ FAQ ============ */
.faq{display:grid;gap:14px;max-width:920px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:var(--line-hi)}
.faq-item.is-open{border-color:rgba(20,225,178,.45);box-shadow:0 0 0 1px rgba(20,225,178,.14),0 0 24px rgba(20,225,178,.12)}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;
  color:var(--text);font-size:16.5px;font-weight:600;line-height:1.6;
  padding:20px 56px 20px 22px;position:relative;
}
.faq-q::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;border-radius:8px;display:grid;place-items:center;
  font-size:16px;font-weight:600;color:var(--brand);
  border:1px solid rgba(20,225,178,.35);background:rgba(20,225,178,.08);
  transition:transform var(--ease),background var(--ease);
}
.faq-item.is-open .faq-q::after{content:"−";transform:translateY(-50%) rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease}
.faq-a-inner{
  border-left:3px solid transparent;
  border-image:var(--grad) 1;
  padding:2px 22px 22px 20px;
}
.faq-a p{color:var(--text-2);font-size:15px;line-height:1.85}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(20,225,178,.10) 0%,rgba(78,139,255,.08) 48%,rgba(255,77,157,.12) 100%),var(--card);
  padding:56px 48px;
}
.cta-band::after{
  content:"";position:absolute;width:320px;height:320px;border-radius:50%;
  background:var(--brand);filter:blur(90px);opacity:.18;right:-80px;top:-100px;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between}
.cta-band h2{font-size:clamp(22px,2.4vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.3px}
.cta-band p{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:640px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:var(--bg-2);padding:72px 0 28px;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad);opacity:.5;
}
.footer-grid{row-gap:36px}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;color:var(--text);margin-bottom:16px;
}
.footer-brand .brand-mark{width:30px;height:30px;font-size:15px}
.footer-desc{color:var(--text-3);font-size:14px;line-height:1.85;max-width:340px}
.footer-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.footer-list{display:flex;flex-direction:column;gap:11px}
.footer-list a,.footer-list span{color:var(--text-3);font-size:14px;transition:color var(--ease)}
.footer-list a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:var(--text-3);font-size:13px;
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--brand)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-links{gap:16px}
  .nav-links a{font-size:14px}
  .brand-sub{display:none}
}
@media (max-width:991px){
  .main-nav{display:none}
  .header-actions{display:none}
  .nav-toggle{display:flex}
  .section{padding:72px 0}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .tickets{grid-template-columns:1fr;gap:20px}
  .ticket-media{aspect-ratio:16/8}
  .scene-grid{grid-template-columns:1fr}
  .page-hero{padding:112px 0 60px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .page-hero{padding:100px 0 52px}
  .page-hero h1{font-size:30px}
  .lead{font-size:15.5px}
  .sec-head{margin-bottom:32px}
  .timeline::before{left:14px;margin-left:0}
  .tl-item{grid-template-columns:28px 1fr;gap:16px;margin-bottom:24px}
  .tl-node{grid-column:1;grid-row:1;justify-self:center;align-self:flex-start;margin-top:26px}
  .tl-item.is-left .tl-card,.tl-item.is-right .tl-card{grid-column:2;grid-row:1;margin:0}
  .tl-card{padding:22px}
  .tl-item:nth-child(2n) .tl-node,.tl-item:nth-child(3n) .tl-node{border-color:var(--brand)}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:14px}
  .stat{padding:18px 16px}
  .cta-band{padding:36px 22px}
  .cta-actions .btn{width:100%}
  .btn{width:auto}
  .cta-actions{width:100%}
  .scene-card{padding:24px}
  .faq-q{font-size:15.5px;padding:18px 50px 18px 16px}
  .faq-a-inner{padding:0 16px 18px 16px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:519px){
  .grid-container{padding-left:16px;padding-right:16px}
  .page-hero{padding:92px 0 46px}
  .page-hero h1{font-size:27px}
  .brand-text{font-size:16px}
  .stat-strip{grid-template-columns:1fr}
  .chip{font-size:12.5px;padding:7px 13px}
  .tl-card{padding:20px}
  .ticket-body{padding:20px}
}

/* roulang page: category4 */
/* ============ 设计变量 ============ */
:root{
  --bg:#0A0D14;
  --bg-2:#10151F;
  --card:#141A26;
  --line:#222B3A;
  --line-hover:#2E3A4E;
  --brand:#14E1B2;
  --brand-2:#FF4D9D;
  --brand-3:#4E8BFF;
  --grad:linear-gradient(135deg,#14E1B2 0%,#4E8BFF 48%,#FF4D9D 100%);
  --amber:#FFC24B;
  --text:#F2F5FA;
  --text-2:#A8B3C4;
  --text-3:#6E7A8D;
  --ink:#06121A;
  --r-lg:24px;
  --r:20px;
  --r-sm:12px;
  --shadow:0 18px 36px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(20,225,178,.18),0 0 28px rgba(20,225,178,.18);
  --sec:96px;
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:72px;
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(circle at 12% 6%, rgba(20,225,178,.14), transparent 42%),
    radial-gradient(circle at 88% 2%, rgba(255,77,157,.12), transparent 40%),
    linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
  background-size:auto,auto,48px 48px,48px 48px;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,box-shadow .22s ease}
a:hover{color:#5BF0CB}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding-left:1.2em}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--text);font-weight:700;letter-spacing:0}
h1{font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.5px}
h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25}
h3{font-size:19px;font-weight:600;line-height:1.45}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(20,225,178,.32);color:#fff}

/* ============ 容器 ============ */
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1440px){.grid-container{max-width:1320px}}
.section{padding:var(--sec) 0}
.section-tight{padding:64px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:40px}
.section-head h2{margin:0}
.section-head p{margin:8px 0 0;color:var(--text-2);font-size:15px;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:var(--brand);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background-image:var(--grad);border-radius:2px}
.lead{font-size:17px;line-height:1.9;color:var(--text-2);max-width:760px}

/* ============ 顶栏导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:72px;
  background:rgba(10,13,20,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background-image:var(--grad);opacity:.75;
}
.site-header.is-scrolled{background:rgba(8,11,17,.98);box-shadow:0 14px 30px rgba(0,0,0,.55)}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:17px;letter-spacing:.2px}
.brand:hover{color:var(--text)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background-image:var(--grad);color:var(--ink);font-weight:800;font-size:16px;
  box-shadow:0 0 18px rgba(20,225,178,.35);
}
.brand-sub{color:var(--text-3);font-weight:500;font-size:14px}
.main-nav{display:block}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav-links a{
  position:relative;display:inline-block;padding:10px 12px;
  font-size:15px;color:var(--text-2);border-radius:10px;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background-image:var(--grad);border-radius:2px;opacity:0;transform:scaleX(.4);
  transition:opacity .22s ease,transform .22s ease;
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{opacity:.7;transform:scaleX(1)}
.nav-links a.is-active{color:var(--brand)}
.nav-links a.is-active::after{opacity:1;transform:scaleX(1);box-shadow:0 0 12px rgba(20,225,178,.45)}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;background:var(--bg-2);
  border:1px solid var(--line);cursor:pointer;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;background:var(--text);border-radius:2px;content:"";
  transition:all .22s ease;
}
.nav-toggle span{top:20px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle:hover{border-color:var(--brand)}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;background:rgba(6,9,14,.72);
  -webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(320px,86vw);
  background:var(--bg-2);border-left:1px solid rgba(20,225,178,.5);
  padding:22px 20px;display:flex;flex-direction:column;gap:16px;
  transform:translateX(100%);transition:transform .28s ease;
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-close{
  align-self:flex-end;width:38px;height:38px;border-radius:10px;background:transparent;
  border:1px solid var(--line);color:var(--text);cursor:pointer;font-size:18px;line-height:1;
}
.drawer-close:hover{border-color:var(--brand);color:var(--brand)}
.drawer-list{list-style:none;margin:0;padding:0}
.drawer-list li{border-bottom:1px solid var(--line)}
.drawer-list a{display:block;padding:14px 4px;font-size:15px;color:var(--text-2)}
.drawer-list a:hover,.drawer-list a.is-active{color:var(--brand)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;font-size:15px;padding:13px 26px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,filter .22s ease,background-color .22s ease;
}
.btn-primary{background-image:var(--grad);color:var(--ink)}
.btn-primary:hover{color:var(--ink);filter:brightness(1.07);box-shadow:0 0 22px rgba(20,225,178,.35);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--line-hover);color:var(--brand)}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand);box-shadow:inset 0 0 18px rgba(20,225,178,.16)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.text-link{color:var(--brand);text-decoration:underline;text-underline-offset:4px;font-size:14px;font-weight:600}
.text-link:hover{box-shadow:0 6px 18px -8px rgba(20,225,178,.6)}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--text-3);margin-bottom:22px}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--line-hover)}
.breadcrumb .current{color:var(--brand)}

/* ============ 页头 ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:88px 0 72px;
  background-image:
    linear-gradient(180deg,rgba(10,13,20,.62) 0%,rgba(10,13,20,.92) 72%,var(--bg) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover,cover;
  background-position:center,center;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,225,178,.4),transparent 68%);
  filter:blur(80px);top:-140px;left:-80px;opacity:.45;pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,157,.34),transparent 68%);
  filter:blur(80px);bottom:-180px;right:-60px;opacity:.42;pointer-events:none;
}
.page-hero .grid-container{position:relative;z-index:2}
.page-hero h1{max-width:900px;margin-bottom:18px}
.filter-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.filter-tabs span{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;font-size:13px;font-weight:600;
  color:var(--text-2);background:rgba(20,26,38,.86);border:1px solid var(--line);
  transition:border-color .22s ease,color .22s ease;
}
.filter-tabs span:hover{border-color:rgba(20,225,178,.5);color:var(--text)}
.filter-tabs span.is-on{color:var(--brand);border-color:rgba(20,225,178,.5);box-shadow:var(--glow)}

/* ============ 卡片底座 ============ */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow);padding:28px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(20,225,178,.45);box-shadow:var(--glow)}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:8px;
  font-size:12px;letter-spacing:.08em;font-weight:600;
  color:var(--brand);background:rgba(20,225,178,.1);border:1px solid rgba(20,225,178,.28);
}
.tag-magenta{color:var(--brand-2);background:rgba(255,77,157,.1);border-color:rgba(255,77,157,.28)}
.tag-blue{color:var(--brand-3);background:rgba(78,139,255,.1);border-color:rgba(78,139,255,.28)}
.tag-amber{color:var(--amber);background:rgba(255,194,75,.1);border-color:rgba(255,194,75,.3)}

/* ============ Bento 矩阵 ============ */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.bento-card{position:relative;display:flex;flex-direction:column;overflow:hidden}
.bento-a{grid-column:span 3;grid-row:span 2}
.bento-b{grid-column:span 3;grid-row:span 2}
.bento-c,.bento-d,.bento-e{grid-column:span 2}
.bento-f{
  grid-column:span 6;flex-direction:row;align-items:center;gap:28px;
  background:linear-gradient(120deg,rgba(20,225,178,.08),rgba(78,139,255,.06) 48%,rgba(255,77,157,.08));
  border-color:rgba(20,225,178,.24);
}
.bento-f .bento-f-body{flex:1 1 auto}
.bento-f .bento-f-side{flex:0 0 auto;display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.bento-media{
  position:relative;border-radius:16px;overflow:hidden;margin:-28px -28px 22px;
  aspect-ratio:16/9;border-bottom:1px solid var(--line);
}
.bento-media img{width:100%;height:100%}
.bento-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,13,20,.05) 30%,rgba(10,13,20,.88) 100%);
}
.bento-media .media-note{
  position:absolute;left:18px;bottom:16px;z-index:2;
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.bento-title{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.bento-title h3{margin:0}
.bento-desc{color:var(--text-2);font-size:15px;line-height:1.8;margin-bottom:16px}
.check-list{list-style:none;margin:0 0 20px;padding:0;display:flex;flex-direction:column;gap:10px}
.check-list li{position:relative;padding-left:26px;font-size:14.5px;color:var(--text-2);line-height:1.75}
.check-list li::before{
  content:"";position:absolute;left:0;top:8px;width:14px;height:14px;border-radius:50%;
  background-image:var(--grad);opacity:.85;
}
.check-list li::after{
  content:"";position:absolute;left:4.5px;top:12px;width:5px;height:8px;
  border:2px solid var(--ink);border-top:0;border-left:0;transform:rotate(42deg);
}
.bento-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.bento-mini{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--bg-2);flex:0 0 auto}
.bento-mini svg{width:20px;height:20px;stroke:var(--brand);fill:none;stroke-width:1.8}
.bento-c h3,.bento-d h3,.bento-e h3{font-size:18px}
.bento-c p,.bento-d p,.bento-e p{color:var(--text-2);font-size:14.5px;line-height:1.8;margin-bottom:14px}
.bento-f h3{font-size:20px}
.bento-f p{margin-bottom:14px}
.bento-f .prep-tags{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}
.bento-f .prep-tags li{
  font-size:13px;color:var(--text-2);padding:7px 13px;border-radius:8px;
  border:1px dashed var(--line-hover);background:rgba(16,21,31,.7);
}

/* ============ 数据徽章 ============ */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{
  border:1px solid var(--line);border-radius:var(--r);background:var(--bg-2);
  padding:22px 22px 20px;transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.stat:hover{border-color:rgba(20,225,178,.45);box-shadow:var(--glow);transform:translateY(-3px)}
.stat-num{
  font-size:clamp(28px,3vw,40px);font-weight:800;line-height:1.2;
  font-variant-numeric:tabular-nums;
  background-image:var(--grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.stat-label{font-size:12px;letter-spacing:.08em;color:var(--amber);margin:6px 0 8px;font-weight:600}
.stat p{margin:0;font-size:14px;color:var(--text-2);line-height:1.75}

/* ============ 处理顺序 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.step{
  position:relative;padding:26px 24px;border-radius:var(--r);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(20,225,178,.45);box-shadow:var(--glow)}
.step-num{
  font-size:28px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;
  background-image:var(--grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;margin-bottom:14px;
}
.step h3{font-size:18px;margin-bottom:8px}
.step p{margin:0;color:var(--text-2);font-size:14.5px;line-height:1.8}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{
  background:var(--bg-2);border:1px solid var(--line);border-radius:16px;
  margin-bottom:14px;overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:var(--line-hover)}
.faq-item[open]{border-color:rgba(20,225,178,.42);box-shadow:var(--glow)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:20px 24px;font-size:17px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:-4px}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 auto;transition:transform .2s ease}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
}
.faq-icon::before{left:0;right:0;top:9px;height:2px}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-body{position:relative;padding:0 24px 22px 24px}
.faq-body::before{
  content:"";position:absolute;left:24px;top:2px;bottom:24px;width:3px;
  background-image:var(--grad);border-radius:3px;
}
.faq-body p{margin:0 0 10px;padding-left:18px;color:var(--text-2);font-size:15px;line-height:1.85}
.faq-body p:last-child{margin-bottom:0}

/* ============ CTA 窄带 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid rgba(20,225,178,.3);
  background:linear-gradient(120deg,rgba(20,225,178,.12),rgba(78,139,255,.08) 50%,rgba(255,77,157,.12)),var(--bg-2);
  padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,225,178,.36),transparent 68%);
  filter:blur(70px);top:-120px;right:-60px;opacity:.5;pointer-events:none;
}
.cta-band h2{margin:0 0 10px;font-size:clamp(22px,2.4vw,30px)}
.cta-band p{margin:0;color:var(--text-2);font-size:15px;max-width:640px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:56px;padding:70px 0 26px;
  background:var(--bg-2);border-top:1px solid var(--line);position:relative;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:-1px;height:1px;background-image:var(--grad);
}
.footer-grid{gap:32px 24px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text);margin-bottom:14px}
.footer-desc{color:var(--text-3);font-size:14px;line-height:1.8;max-width:360px;margin:0}
.footer-title{font-size:13px;letter-spacing:.08em;color:var(--text);font-weight:700;margin-bottom:16px}
.footer-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-list a,.footer-list span{color:var(--text-3);font-size:14px}
.footer-list a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--brand)}

/* ============ Foundation 默认样式覆盖 ============ */
.button,.button.primary,.button.secondary{
  background-image:none;background-color:transparent;color:var(--brand);
  border:1px solid var(--line-hover);border-radius:999px;
}
.button:hover{background-color:rgba(20,225,178,.08);color:var(--brand)}
.accordion{background:transparent;border:0}
.accordion-item{background:var(--bg-2);border:1px solid var(--line);border-radius:16px}
.accordion-title{border:0;background:transparent;color:var(--text);font-weight:600}
.accordion-title:hover{background:transparent;color:var(--brand)}
.accordion-content{background:transparent;color:var(--text-2);border:0}
.callout{background:var(--card);border:1px solid var(--line);border-radius:var(--r);color:var(--text)}
.label{background:var(--bg-2);color:var(--text-2);border-radius:8px}
a:not(.btn):not(.button){text-decoration:none}
input,select,textarea{background:var(--bg-2);border:1px solid var(--line);border-radius:12px;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 18px rgba(20,225,178,.25)}
::placeholder{color:var(--text-3)}

/* ============ 响应式 ============ */
@media (min-width:992px) and (max-width:1199px){
  .grid-container{max-width:100%}
  :root{--sec:80px}
}
@media (max-width:1023px){
  :root{--sec:72px}
  body{padding-top:64px}
  .site-header,.header-inner{height:64px}
  .main-nav{display:none}
  .nav-toggle{display:block}
  .bento{grid-template-columns:repeat(4,1fr);gap:20px}
  .bento-a,.bento-b{grid-column:span 2;grid-row:auto}
  .bento-c,.bento-d{grid-column:span 2}
  .bento-e{grid-column:span 4}
  .bento-f{grid-column:span 4;flex-direction:column;align-items:flex-start;gap:20px}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cta-band{padding:36px 28px}
}
@media (max-width:767px){
  :root{--sec:56px}
  body{font-size:16px;padding-top:60px}
  .site-header,.header-inner{height:60px}
  .brand-sub{display:none}
  .header-actions .btn{display:none}
  .grid-container{padding-left:20px;padding-right:20px}
  .page-hero{padding:56px 0 48px}
  h1{font-size:clamp(28px,8vw,34px)}
  .bento{grid-template-columns:1fr;gap:16px}
  .bento-a,.bento-b,.bento-c,.bento-d,.bento-e,.bento-f{grid-column:span 1;grid-row:auto}
  .card{padding:20px}
  .bento-media{margin:-20px -20px 18px}
  .bento-f .prep-tags li{font-size:12.5px}
  .stat-row,.steps{grid-template-columns:1fr}
  .faq-item summary{padding:16px 18px;font-size:16px}
  .faq-body{padding:0 18px 18px 18px}
  .faq-body::before{left:18px}
  .cta-band{padding:28px 20px;border-radius:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category5 */
:root{
  --bg:#0A0D14;
  --bg-2:#10151F;
  --card:#141A26;
  --line:#222B3A;
  --line-hi:#2E3A4E;
  --brand:#14E1B2;
  --brand-2:#FF4D9D;
  --brand-3:#4E8BFF;
  --grad:linear-gradient(135deg,#14E1B2 0%,#4E8BFF 48%,#FF4D9D 100%);
  --amber:#FFC24B;
  --text:#F2F5FA;
  --text-2:#A8B3C4;
  --text-3:#6E7A8D;
  --ink:#06121A;
  --radius-lg:24px;
  --radius:20px;
  --radius-sm:12px;
  --shadow:0 18px 36px rgba(0,0,0,.45);
  --gap:24px;
  --section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand);}
button{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

/* 覆盖 Foundation 默认色板与组件基调 */
body,.off-canvas-content{background:var(--bg);color:var(--text);}
a{color:var(--brand);}
a:hover,a:focus{color:var(--brand);}
.button,.button.primary,.button.secondary,button.button{
  background:transparent;border:0;color:var(--ink);border-radius:999px;
}
.accordion{background:transparent;border:0;margin:0;}
.accordion .accordion-item,.accordion .accordion-title,.accordion .accordion-content,
.accordion-title,.accordion-content{background:transparent;border:0;color:var(--text);}
input,select,textarea{font-family:inherit;}
input[type="text"],input[type="tel"],input[type="email"],select,textarea{
  background:var(--bg-2);border:1px solid var(--line);color:var(--text);border-radius:var(--radius-sm);
}
input::placeholder,textarea::placeholder{color:var(--text-3);}
select option{background:var(--bg-2);color:var(--text);}

.grid-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.grid-x{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px;}
.grid-x.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;min-width:0;}
.grid-x>.cell.small-12{width:100%;}
@media screen and (min-width:640px){
  .grid-x>.cell.medium-6{width:50%;}
  .grid-x>.cell.medium-4{width:33.3333%;}
}
@media screen and (min-width:1024px){
  .grid-x>.cell.large-3{width:25%;}
  .grid-x>.cell.large-4{width:33.3333%;}
  .grid-x>.cell.large-5{width:41.6667%;}
  .grid-x>.cell.large-7{width:58.3333%;}
  .grid-x>.cell.large-8{width:66.6667%;}
}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,13,20,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--grad);opacity:.55;
}
.site-header.is-scrolled{background:rgba(7,10,16,.97);box-shadow:0 14px 34px rgba(0,0,0,.6);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:18px;letter-spacing:-.2px;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad);color:var(--ink);font-weight:800;font-size:17px;line-height:1;
}
.brand-sub{color:var(--text-2);font-weight:500;font-size:14px;margin-left:2px;}
.desktop-nav{flex:1;display:flex;justify-content:center;}
.nav-links{display:flex;align-items:center;gap:4px;margin:0;padding:0;list-style:none;}
.nav-links a{
  position:relative;display:inline-block;padding:9px 13px;font-size:15px;color:var(--text-2);
  border-radius:999px;transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.04);}
.nav-links a.is-active{color:var(--brand);}
.nav-links a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
  background:var(--grad);box-shadow:0 0 12px rgba(20,225,178,.45);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:40px;border:1px solid var(--line-hi);border-radius:12px;background:transparent;
  cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:.2s ease;}
.nav-toggle:hover{border-color:var(--brand);}
.nav-toggle:hover span{background:var(--brand);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;line-height:1.4;
  border:1px solid transparent;cursor:pointer;transition:all .22s ease;white-space:nowrap;
}
.btn-primary{background:var(--grad);color:var(--ink);}
.btn-primary:hover{color:var(--ink);filter:brightness(1.08);box-shadow:0 0 22px rgba(20,225,178,.35);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--line-hi);color:var(--brand);}
.btn-ghost:hover{border-color:var(--brand);box-shadow:inset 0 0 18px rgba(20,225,178,.16);color:var(--brand);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,6,10,.7);opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:70;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:290px;max-width:86vw;z-index:80;
  background:#0C111A;border-left:1px solid var(--brand);transform:translateX(102%);
  transition:transform .28s ease;display:flex;flex-direction:column;padding:22px 20px;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-title{font-size:16px;font-weight:700;}
.drawer-close{background:transparent;border:1px solid var(--line-hi);color:var(--text-2);width:34px;height:34px;border-radius:10px;cursor:pointer;line-height:1;}
.drawer-close:hover{border-color:var(--brand);color:var(--brand);}
.drawer-nav{margin-top:10px;flex:1;overflow-y:auto;}
.drawer-nav a{display:block;padding:14px 4px;font-size:15px;color:var(--text-2);border-bottom:1px solid rgba(34,43,58,.7);}
.drawer-nav a:hover{color:var(--brand);}
.drawer-nav a.is-active{color:var(--brand);}
.drawer-foot{margin-top:18px;}

/* 页头 */
.page-hero{
  position:relative;overflow:hidden;padding:96px 0 72px;
  background-image:linear-gradient(180deg,rgba(10,13,20,.86),rgba(10,13,20,.97)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero-glow{position:absolute;width:420px;height:420px;border-radius:50%;filter:blur(80px);opacity:.3;pointer-events:none;}
.hero-glow.g1{background:var(--brand);top:-160px;left:-80px;}
.hero-glow.g2{background:var(--brand-2);bottom:-200px;right:-100px;}
.page-hero .grid-container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb em{font-style:normal;color:var(--brand);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;color:var(--brand);
  border:1px solid rgba(20,225,178,.35);background:rgba(20,225,178,.07);
  padding:5px 12px;border-radius:8px;margin-bottom:18px;text-transform:none;
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.5px;margin-bottom:20px;
}
.page-hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{font-size:17px;line-height:1.95;color:var(--text-2);max-width:620px;}
.filter-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.tag{
  display:inline-flex;align-items:center;padding:7px 16px;border-radius:999px;font-size:13px;letter-spacing:.03em;
  color:var(--text-2);border:1px solid var(--line-hi);background:rgba(255,255,255,.02);transition:all .2s ease;
}
.tag:hover{color:var(--brand);border-color:var(--brand);box-shadow:0 0 16px rgba(20,225,178,.2);}
.hero-figure{
  margin:0;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);aspect-ratio:16/10;position:relative;background:var(--card);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(10,13,20,.15),rgba(10,13,20,.7));
}

/* 板块通用 */
.section{padding:var(--section) 0;}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{font-size:clamp(24px,2.6vw,36px);font-weight:700;line-height:1.25;margin-bottom:16px;}
.section-head p{color:var(--text-2);font-size:16px;line-height:1.9;}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.grad-line{height:1px;background:var(--grad);opacity:.4;border:0;margin:0;}

/* 数据徽章带 */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.stat-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);transition:all .22s ease;
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(20,225,178,.45);box-shadow:0 0 0 1px rgba(20,225,178,.18),0 0 28px rgba(20,225,178,.18);}
.stat-value{
  font-size:clamp(28px,3vw,40px);font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:10px;
}
.stat-label{font-size:13px;letter-spacing:.08em;color:var(--amber);margin-bottom:8px;}
.stat-desc{font-size:14px;line-height:1.75;color:var(--text-2);}

/* 权限等级卡 */
.perm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.perm-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow);transition:all .22s ease;display:flex;flex-direction:column;
}
.perm-card:hover{transform:translateY(-4px);border-color:rgba(20,225,178,.45);box-shadow:0 0 0 1px rgba(20,225,178,.18),0 0 28px rgba(20,225,178,.18);}
.perm-card.is-feature{border-color:rgba(20,225,178,.5);box-shadow:0 0 0 1px rgba(20,225,178,.16),0 18px 36px rgba(0,0,0,.45);}
.perm-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.08em;
  padding:4px 10px;border-radius:8px;background:rgba(255,194,75,.12);color:var(--amber);border:1px solid rgba(255,194,75,.3);
  margin-bottom:16px;align-self:flex-start;
}
.perm-card h3{font-size:19px;font-weight:600;line-height:1.45;margin-bottom:12px;}
.perm-card p{font-size:14px;line-height:1.8;color:var(--text-2);margin-bottom:18px;}
.check-list{display:flex;flex-direction:column;gap:10px;margin-top:auto;}
.check-list li{position:relative;padding-left:24px;font-size:14px;line-height:1.75;color:var(--text-2);}
.check-list li::before{
  content:"";position:absolute;left:0;top:8px;width:14px;height:8px;
  border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);border-radius:1px;
}

/* 问答手风琴 */
.qa-group{margin-bottom:44px;}
.qa-group:last-child{margin-bottom:0;}
.qa-group-title{
  display:flex;align-items:center;gap:12px;font-size:15px;letter-spacing:.06em;color:var(--text-2);
  margin-bottom:18px;font-weight:600;
}
.qa-group-title::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad);}
.qa-list{display:flex;flex-direction:column;gap:14px;}
.qa-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.qa-item:hover{border-color:var(--line-hi);}
.qa-item.is-open{border-color:rgba(20,225,178,.45);box-shadow:0 0 0 1px rgba(20,225,178,.14),0 0 26px rgba(20,225,178,.12);}
.qa-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;background:transparent;border:0;cursor:pointer;text-align:left;
  color:var(--text);font-size:17px;font-weight:600;line-height:1.5;transition:color .2s ease;
}
.qa-q:hover{color:var(--brand);}
.qa-item.is-open .qa-q{color:var(--brand);}
.qa-icon{position:relative;flex:0 0 18px;width:18px;height:18px;}
.qa-icon::before,.qa-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .2s ease,opacity .2s ease;
}
.qa-icon::before{left:0;top:8px;width:18px;height:2px;}
.qa-icon::after{left:8px;top:0;width:2px;height:18px;}
.qa-item.is-open .qa-icon::after{transform:rotate(90deg);opacity:0;}
.qa-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.qa-a-inner{
  padding:0 26px 24px 26px;border-left:3px solid transparent;
  background-image:linear-gradient(90deg,rgba(20,225,178,.06),transparent 60%);
  color:var(--text-2);font-size:15px;line-height:1.85;
}
.qa-item.is-open .qa-a-inner{border-left-color:var(--brand);}
.qa-a-inner p+p{margin-top:12px;}
.qa-a-inner ul{margin-top:12px;display:flex;flex-direction:column;gap:8px;}
.qa-a-inner ul li{position:relative;padding-left:18px;font-size:15px;line-height:1.8;}
.qa-a-inner ul li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--brand-3);}

/* 授权流程 */
.flow-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);position:relative;}
.flow-step{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow);transition:all .22s ease;
}
.flow-step:hover{transform:translateY(-4px);border-color:rgba(20,225,178,.45);}
.flow-num{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(20,225,178,.1);border:1px solid rgba(20,225,178,.4);color:var(--brand);
  font-weight:800;font-size:16px;font-variant-numeric:tabular-nums;margin-bottom:18px;
}
.flow-step h3{font-size:18px;font-weight:600;margin-bottom:10px;line-height:1.45;}
.flow-step p{font-size:14px;line-height:1.8;color:var(--text-2);}

/* 底部 CTA 窄带 */
.cta-band{
  border-radius:var(--radius-lg);padding:48px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,rgba(20,225,178,.1),rgba(78,139,255,.08) 48%,rgba(255,77,157,.1));
  border:1px solid var(--line-hi);box-shadow:var(--shadow);
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;right:0;height:2px;background:var(--grad);opacity:.8;
}
.cta-band h2{font-size:clamp(22px,2.3vw,30px);font-weight:700;line-height:1.3;margin-bottom:14px;}
.cta-band p{color:var(--text-2);font-size:16px;line-height:1.9;max-width:640px;margin-bottom:28px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* 相关入口卡 */
.link-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.link-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:all .22s ease;color:var(--text);
}
.link-card:hover{transform:translateY(-4px);border-color:rgba(20,225,178,.45);box-shadow:0 0 0 1px rgba(20,225,178,.18),0 0 28px rgba(20,225,178,.18);color:var(--text);}
.link-card figure{margin:0;aspect-ratio:16/9;overflow:hidden;position:relative;background:var(--bg-2);}
.link-card figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.link-card:hover figure img{transform:scale(1.04);}
.link-card figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,13,20,.05),rgba(10,13,20,.6));}
.link-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.link-pill{
  align-self:flex-start;font-size:12px;letter-spacing:.08em;color:var(--brand);
  border:1px solid rgba(20,225,178,.35);background:rgba(20,225,178,.08);padding:3px 10px;border-radius:8px;
}
.link-body h3{font-size:17px;font-weight:600;line-height:1.45;}
.link-body p{font-size:14px;line-height:1.75;color:var(--text-2);}
.link-more{margin-top:auto;font-size:14px;color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.link-card:hover .link-more{text-shadow:0 0 12px rgba(20,225,178,.6);}

/* 页脚 */
.site-footer{
  background:#080B11;border-top:1px solid var(--line);padding:72px 0 28px;position:relative;
}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad);opacity:.6;}
.footer-grid{gap:32px 0;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;margin-bottom:16px;}
.footer-desc{font-size:14px;line-height:1.85;color:var(--text-2);max-width:340px;}
.footer-title{font-size:13px;letter-spacing:.08em;color:var(--text);font-weight:600;margin-bottom:16px;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list li{font-size:14px;line-height:1.7;}
.footer-list a,.footer-list span{color:var(--text-2);font-size:14px;}
.footer-list a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand);}

/* 响应式 */
@media screen and (max-width:1199px){
  .grid-container{max-width:1100px;}
  .perm-grid{grid-template-columns:repeat(2,1fr);}
  .flow-steps{grid-template-columns:repeat(2,1fr);}
  .link-cards{grid-template-columns:repeat(2,1fr);}
}
@media screen and (max-width:991px){
  :root{--section:72px;}
  .desktop-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{height:60px;}
  .brand-sub{display:none;}
  .stats-row{grid-template-columns:repeat(2,1fr);}
  .page-hero{padding:72px 0 56px;}
  .hero-figure{margin-top:32px;}
  .cta-band{padding:36px 28px;}
}
@media screen and (max-width:767px){
  .stats-row{display:flex;overflow-x:auto;gap:16px;padding-bottom:10px;scrollbar-width:none;}
  .stats-row::-webkit-scrollbar{display:none;}
  .stat-card{min-width:230px;flex:0 0 auto;}
  .perm-grid{grid-template-columns:1fr;}
  .flow-steps{grid-template-columns:1fr;}
  .link-cards{grid-template-columns:1fr;}
  .grid-x>.cell.medium-6,.grid-x>.cell.large-4,.grid-x>.cell.large-5,.grid-x>.cell.large-7{width:100%;}
}
@media screen and (max-width:600px){
  :root{--section:56px;--gap:16px;}
  .grid-container{padding:0 18px;}
  .page-hero h1{font-size:clamp(26px,7vw,32px);}
  .hero-lead{font-size:16px;}
  .qa-q{padding:18px 20px;font-size:16px;}
  .qa-a-inner{padding:0 20px 20px 20px;}
  .cta-band{padding:28px 20px;}
  .cta-actions .btn{width:100%;}
  .stat-card{padding:20px;}
  .perm-card{padding:22px;}
  .footer-bottom{flex-direction:column;}
}