/* roulang page: index */
:root{
  --brand:#5A2BD6;
  --brand-deep:#4220A8;
  --brand-soft:#EFE9FF;
  --signal:#C8F24E;
  --warn:#F2622B;
  --ink:#14121B;
  --ink-2:#1F1B2E;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --line:#E8E4DC;
  --t1:#1C1A24;
  --t2:#5C5768;
  --t-inv:#F7F6F2;
  --t-inv2:#B9B4C6;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,18,27,.05);
  --sh-2:0 10px 30px -12px rgba(20,18,27,.16);
  --sh-3:0 18px 44px -16px rgba(90,43,214,.28);
  --sp-m:64px;
  --sp-d:96px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding:0;
  background:var(--paper);
  color:var(--t1);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--brand-deep);}
p{margin:0 0 1.15em;}
h1,h2,h3,h4{margin:0;color:var(--t1);letter-spacing:.01em;font-weight:700;}
h1{font-size:clamp(30px,4.2vw,48px);line-height:1.25;font-weight:800;}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;}
h3{font-size:19px;line-height:1.5;font-weight:600;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--signal);outline-offset:2px;border-radius:4px;}

/* Foundation 覆写 */
body,.button,button,input,select,textarea{font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;}
.button,button{background:var(--brand);color:#fff;border-radius:var(--r-btn);}
.button:hover,button:hover{background:var(--brand-deep);color:#fff;}
.grid-container{max-width:1200px;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto;}
.grid-x{margin-left:-12px;margin-right:-12px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;}
.accordion{border:0;background:transparent;}
.accordion-item{border:0;background:transparent;}
.accordion-title{border:0;background:transparent;}

/* 顶部信息条 */
.topbar{
  background:var(--ink);
  color:var(--t-inv2);
  font-size:13px;
  line-height:32px;
  height:32px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.topbar .grid-container{display:flex;align-items:center;justify-content:space-between;height:32px;}
.topbar-left{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--signal);display:inline-block;flex:0 0 auto;}
.topbar-right{display:flex;align-items:center;gap:18px;}
.topbar-right a{color:var(--t-inv2);font-size:13px;}
.topbar-right a:hover{color:var(--signal);}

/* 主导航 */
.site-header{position:sticky;top:0;z-index:60;transition:background .28s ease-out,box-shadow .28s ease-out,border-color .28s ease-out;}
.site-header.is-solid{background:#fff;box-shadow:var(--sh-1);border-bottom:1px solid var(--line);}
.site-header.on-dark{background:transparent;border-bottom:1px solid rgba(255,255,255,.10);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;font-weight:800;font-size:15px;letter-spacing:-.5px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px -8px rgba(90,43,214,.9);
}
.brand-text{font-weight:800;font-size:17px;letter-spacing:.01em;color:var(--t1);white-space:nowrap;}
.site-header.on-dark .brand-text{color:var(--t-inv);}
.brand-sub{display:block;font-size:11.5px;font-weight:400;color:var(--t2);letter-spacing:.02em;line-height:1.3;}
.site-header.on-dark .brand-sub{color:var(--t-inv2);}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav a{
  position:relative;display:inline-block;padding:8px 14px;font-size:15px;color:var(--t2);border-radius:8px;font-weight:500;
}
.site-header.on-dark .main-nav a{color:var(--t-inv2);}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:transparent;transition:background .18s ease-out;
}
.main-nav a:hover{color:var(--brand);background:var(--brand-soft);}
.site-header.on-dark .main-nav a:hover{color:var(--t-inv);background:rgba(255,255,255,.08);}
.main-nav a:hover::after{background:rgba(90,43,214,.35);}
.main-nav a.active{color:var(--brand);font-weight:600;}
.site-header.on-dark .main-nav a.active{color:var(--t-inv);}
.main-nav a.active::after{background:var(--signal);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--t2);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all .18s ease-out;
}
.icon-btn:hover{border-color:#d6cfc4;color:var(--brand);}
.site-header.on-dark .icon-btn{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:var(--t-inv);}
.site-header.on-dark .icon-btn:hover{background:rgba(255,255,255,.16);color:#fff;}
.hamburger{display:none;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
  white-space:nowrap;
}
.btn-lg{height:50px;padding:0 28px;font-size:16px;}
.btn-sm{height:32px;padding:0 14px;font-size:13.5px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-2);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3);}
.btn-signal{background:var(--signal);color:var(--ink);}
.btn-signal:hover{background:#d6fa66;color:var(--ink);transform:translateY(-1px);box-shadow:0 14px 30px -14px rgba(200,242,78,.9);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-1px);}
.btn-ghost-inv{background:transparent;color:var(--t-inv);border-color:rgba(255,255,255,.34);}
.btn-ghost-inv:hover{background:rgba(255,255,255,.10);color:#fff;transform:translateY(-1px);}
.btn-pill{border-radius:var(--r-pill);}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;color:var(--brand);
}
.link-arrow i{transition:transform .18s ease-out;}
.link-arrow:hover i{transform:translateX(3px);}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;line-height:1;
}
.badge-signal{background:var(--signal);color:var(--ink);}
.badge-soft{background:var(--brand-soft);color:var(--brand);}
.badge-warn{background:#FDE7DE;color:#B33F12;}

/* 通用区块 */
.section{padding:var(--sp-m) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);
  letter-spacing:.06em;margin-bottom:10px;
}
.section-head .eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--signal);display:inline-block;}
.section-head h2{max-width:720px;}
.section-head p{color:var(--t2);font-size:15px;margin:12px 0 0;max-width:640px;}
.on-ink{background:var(--ink);color:var(--t-inv);}
.on-ink h2,.on-ink h3{color:var(--t-inv);}
.on-ink p{color:var(--t-inv2);}

/* Hero */
.hero{
  position:relative;overflow:hidden;background:var(--ink);
  padding:calc(var(--sp-d) + 12px) 0 calc(var(--sp-d) - 8px);
  margin-top:-100px;padding-top:calc(100px + 76px);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  opacity:.42;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(560px 380px at 82% 26%, rgba(200,242,78,.12), transparent 70%),
    linear-gradient(180deg, rgba(20,18,27,.72) 0%, rgba(20,18,27,.92) 62%, rgba(20,18,27,1) 100%);
}
.hero .grid-container{position:relative;z-index:2;}
.hero-watermark{
  position:absolute;right:-2vw;top:12%;
  font-size:clamp(220px,26vw,420px);line-height:.8;font-weight:800;
  color:rgba(247,246,242,.07);letter-spacing:-.06em;user-select:none;pointer-events:none;z-index:1;
}
.hero h1{color:var(--t-inv);max-width:760px;}
.hero h1 em{font-style:normal;color:var(--signal);}
.hero-lead{
  color:var(--t-inv2);font-size:18px;line-height:1.75;margin:20px 0 0;max-width:620px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.trust-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.trust-tags span{
  display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(239,233,255,.12);border:1px solid rgba(239,233,255,.22);
  color:#D9CFFA;font-size:13px;
}
.trust-tags i{color:var(--signal);font-size:12px;}
.hero-visual{position:relative;}
.hero-figure{
  position:relative;border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.12);
  box-shadow:0 30px 70px -30px rgba(0,0,0,.85);
  aspect-ratio:16/11;background:#221d33;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;filter:saturate(.92) contrast(1.04);}
.hero-figure::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,18,27,.20),rgba(20,18,27,.72));
}
.gate-card{
  position:absolute;right:-6px;bottom:-26px;width:min(300px,88%);
  background:#fff;border-radius:120px 120px var(--r-card) var(--r-card);
  padding:38px 24px 24px;box-shadow:var(--sh-3);border:1px solid var(--line);
}
.gate-card .badge{margin-bottom:12px;}
.gate-card h3{font-size:17px;margin-bottom:8px;}
.gate-card p{font-size:13.5px;color:var(--t2);line-height:1.7;margin:0 0 14px;}
.gate-card .link-arrow{font-size:14px;}

/* 卖点三连 错落 */
.sell-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;align-items:start;}
.sell-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 26px 28px;box-shadow:var(--sh-1);min-height:220px;
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.sell-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.sell-card::before{content:"";position:absolute;left:26px;top:0;width:44px;height:3px;border-radius:0 0 3px 3px;background:var(--signal);}
.sell-num{font-size:40px;font-weight:800;line-height:1;color:var(--brand-soft);letter-spacing:-.03em;margin-bottom:18px;font-variant-numeric:tabular-nums;}
.sell-icon{
  width:42px;height:42px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:14px;
}
.sell-card h3{margin-bottom:10px;}
.sell-card p{font-size:14.5px;color:var(--t2);line-height:1.8;margin:0;}
.sell-card:nth-child(2){margin-top:-24px;}
.sell-card:nth-child(3){margin-top:12px;}

/* 场景演示 */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:36px 0;}
.scene + .scene{border-top:1px solid var(--line);}
.scene.reverse .scene-media{order:2;}
.scene-media{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:16/10;background:#EFEDE8;}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease-out;}
.scene-media:hover img{transform:scale(1.03);}
.scene-media::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(90,43,214,.16),rgba(20,18,27,.24));}
.scene-body h2{margin:14px 0 14px;}
.scene-body p{color:var(--t2);font-size:15.5px;}
.steps{display:flex;align-items:center;gap:0;margin:22px 0 20px;}
.steps .st{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--t2);}
.steps .dot{width:10px;height:10px;border-radius:50%;border:2px solid #CFC8BE;background:#fff;flex:0 0 auto;}
.steps .st.on .dot{background:var(--signal);border-color:var(--signal);}
.steps .st.on{color:var(--t1);font-weight:600;}
.steps .bar{flex:1 1 auto;height:1px;background:var(--line);margin:0 12px;min-width:18px;}

/* 最新信息 CMS */
.news-filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--t2);font-size:13.5px;font-weight:500;
  transition:all .18s ease-out;
}
.chip:hover{border-color:var(--brand);color:var(--brand);}
.chip.on{background:var(--signal);border-color:var(--signal);color:var(--ink);font-weight:600;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.news-thumb{position:relative;aspect-ratio:16/10;background:#EFEDE8;overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease-out;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-thumb .badge{position:absolute;left:12px;top:12px;z-index:2;}
.news-body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-body h3{font-size:17px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a{color:var(--t1);}
.news-body h3 a:hover{color:var(--brand);}
.news-body p{font-size:14px;color:var(--t2);line-height:1.75;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t2);border-top:1px solid var(--line);padding-top:14px;}
.news-foot .go{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  padding:52px 24px;text-align:center;
}
.empty-state i{font-size:30px;color:#CFC8BE;display:block;margin-bottom:14px;}
.empty-state p{font-size:14px;color:var(--t2);margin:0 0 18px;}

/* 分类直达 */
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.cat-card{
  position:relative;display:block;background:var(--card);border:1px solid var(--line);
  border-radius:120px 120px var(--r-card) var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out;color:inherit;
}
.cat-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);color:inherit;}
.cat-card figure{margin:0;position:relative;aspect-ratio:16/9;overflow:hidden;background:#EFEDE8;}
.cat-card figure img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease-out;}
.cat-card:hover figure img{transform:scale(1.03);}
.cat-card figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,18,27,.10),rgba(20,18,27,.42));}
.cat-body{padding:24px 26px 26px;}
.cat-body .cat-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;}
.cat-body h3{font-size:20px;}
.cat-body p{font-size:14.5px;color:var(--t2);line-height:1.8;margin:10px 0 16px;}
.cat-count{font-size:13px;color:var(--t2);}
.cat-go{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:600;font-size:14.5px;}
.cat-card:hover .cat-go i{transform:translateX(3px);}
.cat-go i{transition:transform .18s ease-out;}

/* 社会认同 */
.stats-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  border-top:1px solid rgba(255,255,255,.10);border-bottom:1px solid rgba(255,255,255,.10);
  padding:34px 0;
}
.stat .num{font-size:clamp(28px,3vw,38px);font-weight:800;color:var(--t-inv);line-height:1.1;font-variant-numeric:tabular-nums;}
.stat .num small{font-size:15px;font-weight:600;color:var(--signal);margin-left:4px;}
.stat .underline{width:34px;height:3px;border-radius:2px;background:var(--signal);margin:12px 0 10px;}
.stat .txt{font-size:13.5px;color:var(--t-inv2);line-height:1.7;}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px;}
.quote{
  background:var(--ink-2);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-card);
  padding:24px 22px;transition:transform .18s ease-out,border-color .18s ease-out;
}
.quote:hover{transform:translateY(-2px);border-color:rgba(200,242,78,.34);}
.quote-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:40px;height:40px;border-radius:50%;background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  color:#fff;font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.quote-head .who{font-size:14.5px;color:var(--t-inv);font-weight:600;line-height:1.3;}
.quote-head .role{font-size:12.5px;color:var(--t-inv2);}
.quote p{font-size:14.5px;color:var(--t-inv2);line-height:1.8;margin:0 0 14px;}
.stars{color:var(--signal);font-size:12.5px;letter-spacing:2px;}
.partner-strip{
  margin-top:44px;display:grid;grid-template-columns:repeat(5,1fr);gap:16px;
}
.partner{
  height:64px;border-radius:var(--r-card);border:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;
  color:rgba(185,180,198,.62);font-size:13.5px;font-weight:600;letter-spacing:.04em;
  background:rgba(255,255,255,.02);transition:all .18s ease-out;
}
.partner:hover{color:var(--signal);border-color:rgba(200,242,78,.32);background:rgba(200,242,78,.05);}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;font-size:16px;font-weight:600;color:var(--t1);background:transparent;border:0;
}
.faq-item .accordion-title:hover{color:var(--brand);}
.faq-item .accordion-title::before{
  content:"+";order:2;flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-size:16px;font-weight:700;line-height:1;
  transition:transform .18s ease-out;
}
.faq-item.is-active .accordion-title::before{transform:rotate(45deg);background:var(--signal);color:var(--ink);}
.faq-item .accordion-content{padding:0 0 22px;background:transparent;border:0;color:var(--t2);font-size:15px;line-height:1.85;}
.faq-item .accordion-content p{margin:0;}

/* 底部 CTA */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);border-radius:18px;
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:18px 18px;opacity:.6;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,242,78,.16),transparent 68%);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{color:var(--t-inv);max-width:560px;}
.cta-band p{color:var(--t-inv2);margin:14px 0 0;font-size:15px;max-width:520px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* Footer */
.site-footer{background:var(--ink);color:var(--t-inv2);margin-top:var(--sp-d);position:relative;}
.site-footer::before{content:"";display:block;height:1px;background:var(--signal);opacity:.85;}
.footer-main{padding:64px 0 40px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .brand-text{color:var(--t-inv);}
.footer-brand .brand-sub{color:var(--t-inv2);}
.footer-brand p{font-size:14px;line-height:1.85;margin:18px 0 16px;max-width:320px;}
.footer-contact{font-size:13.5px;line-height:2;}
.footer-contact span{color:var(--signal);margin-right:8px;}
.footer-col h4{font-size:14px;color:var(--t-inv);margin-bottom:16px;font-weight:600;letter-spacing:.04em;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{font-size:14px;color:var(--t-inv2);}
.footer-col ul li a:hover{color:var(--signal);}
.qr-box{
  width:110px;height:110px;border-radius:var(--r-img);background:rgba(255,255,255,.05);
  border:1px dashed rgba(255,255,255,.18);display:flex;flex-direction:column;gap:6px;
  align-items:center;justify-content:center;color:var(--t-inv2);font-size:12.5px;margin-bottom:14px;
}
.qr-box i{font-size:26px;color:var(--signal);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:20px 0 26px;font-size:13px;color:var(--t-inv2);}
.footer-bottom .inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;}
.footer-bottom a{color:var(--t-inv2);}
.footer-bottom a:hover{color:var(--signal);}

/* 移动抽屉 */
.m-drawer{
  position:fixed;inset:0;z-index:120;background:var(--ink);
  transform:translateX(100%);transition:transform .28s ease-out;
  display:flex;flex-direction:column;padding:22px 22px 30px;overflow-y:auto;
}
.m-drawer.open{transform:translateX(0);}
.m-drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.m-drawer nav a{
  display:block;padding:16px 4px;font-size:17px;color:var(--t-inv);
  border-bottom:1px solid rgba(255,255,255,.10);
}
.m-drawer nav a.active{color:var(--signal);font-weight:600;}
.m-drawer .btn{width:100%;margin-top:26px;}
.m-drawer .m-note{font-size:13px;color:var(--t-inv2);margin-top:22px;line-height:1.8;}

/* 移动固定转化条 */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:100;
  display:none;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));
  background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  border-top:1px solid var(--line);opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity .28s ease-out,transform .28s ease-out;
}
.mobile-bar.show{opacity:1;pointer-events:auto;transform:translateY(0);}
.mobile-bar .tip{font-size:13.5px;color:var(--t2);line-height:1.4;}
.mobile-bar .btn{height:44px;padding:0 20px;flex:0 0 auto;}

/* 响应式 */
@media (min-width:1440px){
  .grid-container{max-width:1280px;}
}
@media (min-width:1024px){
  .section{padding:var(--sp-d) 0;}
  .section-head{margin-bottom:40px;}
}
@media (max-width:1023px){
  body{padding-bottom:74px;}
  .main-nav{display:none;}
  .hamburger{display:inline-flex;}
  .hero{padding-top:calc(100px + 56px);padding-bottom:var(--sp-m);}
  .hero-visual{margin-top:52px;}
  .gate-card{position:static;width:100%;border-radius:var(--r-card);margin-top:18px;box-shadow:var(--sh-2);}
  .sell-grid{grid-template-columns:repeat(2,1fr);gap:24px;}
  .sell-card:nth-child(2){margin-top:0;}
  .sell-card:nth-child(3){margin-top:0;grid-column:1 / -1;}
  .scene{grid-template-columns:1fr;gap:26px;padding:28px 0;}
  .scene.reverse .scene-media{order:0;}
  .news-grid{grid-template-columns:repeat(2,1fr);gap:22px;}
  .cat-grid{grid-template-columns:1fr;gap:22px;}
  .cat-card{border-radius:var(--r-card);}
  .stats-band{grid-template-columns:repeat(2,1fr);gap:26px;}
  .quote-grid{grid-template-columns:1fr;gap:18px;}
  .partner-strip{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:38px 28px;}
  .mobile-bar{display:flex;}
}
@media (max-width:639px){
  h1{font-size:30px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .grid-x{margin-left:-10px;margin-right:-10px;}
  .grid-x>.cell{padding-left:10px;padding-right:10px;}
  .topbar-right{display:none;}
  .brand-text{font-size:16px;}
  .hero{padding-top:calc(72px + 48px);}
  .hero-lead{font-size:16px;}
  .hero-cta .btn{width:100%;}
  .sell-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .stats-band{grid-template-columns:1fr;}
  .partner-strip{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{border-radius:14px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .mobile-bar .tip{font-size:12.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: article */
:root{
  --brand:#5A2BD6;
  --brand-deep:#4220A8;
  --brand-soft:#EFE9FF;
  --lime:#C8F24E;
  --orange:#F2622B;
  --ink:#14121B;
  --ink-2:#1F1B2E;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --line:#E8E4DC;
  --text:#1C1A24;
  --text-2:#5C5768;
  --inv:#F7F6F2;
  --inv-2:#B9B4C6;
  --sh-1:0 1px 2px rgba(20,18,27,.05);
  --sh-2:0 10px 30px -12px rgba(20,18,27,.16);
  --sh-3:0 18px 44px -16px rgba(90,43,214,.28);
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --pill:999px;
  --max:1200px;
  --nav-h:68px;
  --top-h:32px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--brand-deep);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
::selection{background:var(--lime);color:var(--ink);}
.grid-container{max-width:var(--max);margin:0 auto;padding-left:20px;padding-right:20px;width:100%;}
.grid-x{display:flex;flex-wrap:wrap;}
.cell{flex:0 0 auto;min-width:0;}
.small-12{width:100%;}
@media (min-width:640px){
  .medium-6{width:50%;}
  .medium-12{width:100%;}
}
@media (min-width:1024px){
  .large-4{width:33.3333%;}
  .large-7{width:58.3333%;}
  .large-5{width:41.6666%;}
  .large-8{width:66.6666%;}
}

/* ---------- 顶部信息条 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  box-shadow:var(--sh-1);
  transition:box-shadow .28s ease-out,background-color .28s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.topbar{
  height:var(--top-h);
  background:var(--ink);
  color:var(--inv-2);
  font-size:12.5px;
  line-height:var(--top-h);
}
.topbar .grid-container{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.topbar-tag{color:var(--inv-2);display:inline-flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-tag i{color:var(--lime);font-size:11px;}
.topbar-links{display:flex;gap:18px;flex:0 0 auto;}
.topbar-links a{color:var(--inv-2);}
.topbar-links a:hover{color:var(--lime);}
.nav-bar{height:var(--nav-h);display:flex;align-items:center;}
.nav-inner{display:flex;align-items:center;gap:28px;width:100%;}
.brand{display:inline-flex;align-items:center;gap:11px;color:var(--text);flex:0 0 auto;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  border-radius:12px;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;font-weight:800;font-size:15px;letter-spacing:.02em;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-3);
}
.brand-text{display:block;font-size:16.5px;font-weight:700;line-height:1.2;letter-spacing:.01em;white-space:nowrap;}
.brand-sub{display:block;font-size:11.5px;color:var(--text-2);line-height:1.6;letter-spacing:.04em;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:6px;}
.main-nav a{
  position:relative;
  color:var(--text-2);
  font-size:15px;
  font-weight:500;
  padding:6px 0;
  white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:var(--lime);border-radius:2px;transition:right .22s ease-out;
}
.main-nav a:hover{color:var(--brand);}
.main-nav a:hover::after{right:0;background:#C9B8F4;}
.main-nav a.active{color:var(--brand);font-weight:600;}
.main-nav a.active::after{right:0;background:var(--lime);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--pill);
  border:1px solid var(--line);color:var(--text-2);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  transition:.18s ease-out;
}
.icon-btn:hover{color:var(--brand);border-color:#D8CCF8;background:var(--brand-soft);}
.hamburger{display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);color:var(--text);align-items:center;justify-content:center;font-size:17px;}
.hamburger:hover{background:var(--brand-soft);color:var(--brand);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  border-radius:var(--r-btn);
  padding:0 20px;height:42px;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
  border:1px solid transparent;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-deep);color:#fff;box-shadow:var(--sh-3);}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:#B8E23C;color:var(--ink);box-shadow:0 14px 30px -14px rgba(140,180,30,.6);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand-deep);}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.btn-lg{height:50px;padding:0 26px;font-size:16px;border-radius:var(--pill);}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand);
}
.link-arrow i{transition:transform .18s ease-out;}
.link-arrow:hover i{transform:translateX(3px);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;border-radius:var(--pill);
  font-size:12.5px;font-weight:600;line-height:1;
  background:var(--lime);color:var(--ink);
}
.badge-cat{background:var(--brand-soft);color:var(--brand-deep);}
.badge-new{background:var(--orange);color:#fff;}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 13px;
  border-radius:var(--pill);background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--text-2);transition:.18s ease-out;
}
.tag:hover{background:var(--brand-soft);border-color:#D8CCF8;color:var(--brand);}

/* ---------- 主体布局 ---------- */
.page-main{padding:28px 0 0;}
.article-layout{display:flex;flex-wrap:wrap;gap:44px;align-items:flex-start;}
.article-col{flex:1 1 620px;min-width:0;max-width:820px;}
.side-col{flex:0 0 320px;max-width:320px;}

/* 面包屑 */
.crumb{font-size:13px;color:var(--text-2);display:flex;align-items:center;gap:8px;flex-wrap:nowrap;overflow:hidden;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C6C1BC;}
.crumb .current{
  color:var(--text);max-width:260px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

/* 文章头 */
.article-head{padding:22px 0 26px;border-bottom:1px solid var(--line);}
.article-head .badge{margin-bottom:16px;}
.article-head h1{
  font-size:clamp(26px,3.4vw,38px);
  line-height:1.32;
  font-weight:800;
  letter-spacing:.01em;
  color:var(--text);
  margin-bottom:18px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  font-size:13.5px;color:var(--text-2);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#D3CFC9;}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-row i{color:var(--brand);font-size:12.5px;}
.share-group{margin-left:auto;display:flex;align-items:center;gap:8px;}
.share-group .icon-btn{width:36px;height:36px;font-size:14px;}

/* 正文 */
.article-body{
  max-width:760px;
  font-size:17px;
  line-height:1.9;
  color:#26232F;
  padding:30px 0 8px;
  overflow-wrap:break-word;
  word-break:break-word;
}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;
  font-size:clamp(20px,2.2vw,26px);
  line-height:1.45;
  font-weight:700;
  color:var(--text);
  margin:48px 0 16px;
  padding-left:16px;
  letter-spacing:.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;width:4px;height:1em;
  background:var(--lime);border-radius:2px;
}
.article-body h3{
  font-size:19px;line-height:1.5;font-weight:600;color:var(--text);
  margin:32px 0 12px;
}
.article-body strong{font-weight:700;color:var(--text);}
.article-body a{color:var(--brand);border-bottom:1px solid #D9CBF8;}
.article-body a:hover{color:var(--brand-deep);border-bottom-color:var(--brand-deep);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0;}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:24px;margin-bottom:.6em;
}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--lime);
}
.article-body ol{counter-reset:olc;}
.article-body ol li{counter-increment:olc;}
.article-body ol li::before{
  content:counter(olc,decimal-leading-zero);
  position:absolute;left:0;top:0;
  font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.02em;
}
.article-body blockquote{
  margin:24px 0;
  background:var(--brand-soft);
  border-left:4px solid var(--brand);
  border-radius:0 var(--r-btn) var(--r-btn) 0;
  padding:16px 20px;
  color:#3B3348;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:var(--r-img);margin:24px auto;
  box-shadow:var(--sh-1);
}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  font-size:13px;color:var(--text-2);text-align:center;margin-top:10px;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body table th,.article-body table td{
  border:1px solid var(--line);padding:10px 14px;text-align:left;
}
.article-body table th{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;}
.article-body pre{
  background:#F1EFEA;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:16px 18px;overflow-x:auto;font-size:14px;margin:20px 0;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.92em;background:#F1EFEA;padding:2px 6px;border-radius:5px;
}
.article-body pre code{background:none;padding:0;}

/* 空态 */
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  background:#fff;
  padding:52px 24px;
  text-align:center;
  margin:32px 0;
}
.empty-state i{font-size:30px;color:#C6C1BC;margin-bottom:14px;display:block;}
.empty-state p{font-size:14.5px;color:var(--text-2);margin-bottom:18px;}

/* 文末标签 */
.tag-block{
  max-width:760px;
  padding:24px 0 4px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
}
.tag-block .tag-title{font-size:13.5px;color:var(--text-2);margin-right:4px;}

/* 延伸阅读双卡 */
.next-cards{display:flex;flex-wrap:wrap;gap:20px;margin-top:36px;}
.next-card{
  flex:1 1 300px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.next-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.next-card .k{font-size:12.5px;color:var(--text-2);letter-spacing:.06em;text-transform:uppercase;}
.next-card h3{font-size:17.5px;font-weight:700;margin:10px 0 8px;color:var(--text);}
.next-card p{font-size:14px;color:var(--text-2);line-height:1.75;margin-bottom:14px;}

/* 侧栏 */
.side-block{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-1);margin-bottom:20px;
}
.side-sticky{position:sticky;top:calc(var(--nav-h) + var(--top-h) + 20px);}
.side-block h3{
  font-size:15px;font-weight:700;color:var(--text);
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.side-block h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--lime);}
.toc-list{font-size:14px;line-height:1.7;}
.toc-list a{
  display:block;color:var(--text-2);padding:7px 10px;border-radius:8px;
  border-left:2px solid transparent;transition:.18s ease-out;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.toc-list a:hover{background:#FAF9F6;color:var(--brand);}
.toc-list a.is-active{background:var(--brand-soft);color:var(--brand-deep);border-left-color:var(--brand);font-weight:600;}
.toc-list .lv3{padding-left:22px;font-size:13.5px;}
.hot-list li{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed #EFEBE4;}
.hot-list li:last-child{border-bottom:0;padding-bottom:0;}
.hot-list .num{
  flex:0 0 22px;font-size:13px;font-weight:800;color:var(--brand);
  letter-spacing:.02em;line-height:1.6;
}
.hot-list .num.lime{color:#8FBF12;}
.hot-list a{font-size:14.5px;color:var(--text);line-height:1.65;display:block;}
.hot-list a:hover{color:var(--brand);}
.hot-list .sub{font-size:12.5px;color:var(--text-2);margin-top:2px;}
.side-cta{
  background:var(--ink);
  border:0;color:var(--inv);
  position:relative;overflow:hidden;
}
.side-cta::after{
  content:"9";position:absolute;right:-10px;bottom:-40px;
  font-size:140px;font-weight:900;color:rgba(255,255,255,.06);line-height:1;
}
.side-cta h3{color:#fff;}
.side-cta h3::before{background:var(--lime);}
.side-cta p{font-size:13.5px;color:var(--inv-2);line-height:1.8;margin-bottom:16px;position:relative;z-index:1;}

/* 相关推荐 */
.related-sec{padding:72px 0 8px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.sec-head h2{font-size:clamp(21px,2.4vw,28px);font-weight:700;line-height:1.35;color:var(--text);}
.sec-head p{font-size:14px;color:var(--text-2);margin-top:8px;}
.card-grid{display:flex;flex-wrap:wrap;gap:24px;}
.card{
  flex:1 1 300px;max-width:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.card-media{position:relative;width:100%;aspect-ratio:16/10;overflow:hidden;background:#EFEDE8;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease-out;}
.card:hover .card-media img{transform:scale(1.03);}
.card-media .badge{position:absolute;left:12px;top:12px;}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.card-body h3{
  font-size:16.5px;font-weight:600;line-height:1.55;color:var(--text);margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card:hover .card-body h3{color:var(--brand);}
.card-body p{
  font-size:14px;color:var(--text-2);line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-2);border-top:1px solid #F2EFE9;padding-top:13px;
}
.card-foot i{color:var(--brand);transition:transform .18s ease-out;}
.card:hover .card-foot i{transform:translateX(3px);}

/* 返回分类 */
.back-bar{
  margin-top:48px;padding:22px 24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  box-shadow:var(--sh-1);
}
.back-bar .txt{font-size:14.5px;color:var(--text-2);}
.back-bar .txt strong{display:block;font-size:16.5px;color:var(--text);font-weight:700;margin-bottom:4px;}

/* CTA 大条 */
.cta-band{
  margin-top:72px;
  background:
    radial-gradient(circle at 82% 20%, rgba(200,242,78,.10) 0%, rgba(200,242,78,0) 46%),
    radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px) 0 0/22px 22px,
    var(--ink);
  border-radius:var(--r-card);
  padding:44px 40px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);font-weight:700;color:#fff;line-height:1.4;}
.cta-band p{font-size:14.5px;color:var(--inv-2);margin-top:10px;max-width:560px;line-height:1.8;}

/* 页脚 */
.site-footer{
  margin-top:88px;
  background:var(--ink);
  color:var(--inv-2);
  border-top:1px solid var(--lime);
  font-size:14px;
}
.footer-main{padding:60px 0 40px;}
.footer-grid{display:flex;flex-wrap:wrap;gap:40px;}
.footer-brand{flex:1 1 300px;max-width:360px;}
.footer-brand .brand-mark{box-shadow:none;background:linear-gradient(150deg,var(--lime) 0%,#A9D62F 100%);color:var(--ink);}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-sub{color:var(--inv-2);}
.footer-brand p{font-size:13.8px;line-height:1.85;color:var(--inv-2);margin-top:18px;}
.footer-contact{margin-top:20px;display:flex;flex-direction:column;gap:8px;font-size:13.5px;}
.footer-contact span{color:var(--lime);margin-right:8px;}
.footer-col{flex:1 1 160px;}
.footer-col h4{font-size:14.5px;color:#fff;font-weight:700;margin-bottom:16px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{font-size:13.8px;color:var(--inv-2);}
.footer-col ul a:hover{color:var(--lime);}
.qr-box{
  display:inline-flex;align-items:center;gap:10px;
  border:1px dashed rgba(255,255,255,.22);border-radius:var(--r-btn);
  padding:12px 16px;font-size:13.5px;color:var(--inv);
}
.qr-box i{font-size:22px;color:var(--lime);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:20px 0 26px;}
.footer-bottom .inner{
  display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;
  font-size:13px;color:var(--inv-2);
}
.footer-bottom .inner span{line-height:1.7;}

/* 移动端固定转化条 */
.mobile-bar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border-top:1px solid var(--line);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  align-items:center;justify-content:space-between;gap:14px;
}
.mobile-bar .tip{font-size:12.5px;color:var(--text-2);line-height:1.5;}
.mobile-bar .tip strong{display:block;font-size:14px;color:var(--text);font-weight:700;}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,18,27,.5);z-index:80;
  opacity:0;visibility:hidden;transition:.22s ease-out;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:90;
  width:min(320px,86vw);
  background:#fff;
  transform:translateX(102%);
  transition:transform .28s ease-out;
  box-shadow:-18px 0 44px -20px rgba(20,18,27,.4);
  display:flex;flex-direction:column;
  padding:20px 22px 28px;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-head .brand-sub{letter-spacing:.04em;}
.drawer-close{width:40px;height:40px;border-radius:var(--pill);border:1px solid var(--line);color:var(--text-2);display:flex;align-items:center;justify-content:center;}
.drawer-close:hover{background:var(--brand-soft);color:var(--brand);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.drawer-nav a{
  font-size:16px;color:var(--text);padding:13px 14px;border-radius:var(--r-btn);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer-nav a:hover{background:#FAF9F6;color:var(--brand);}
.drawer-nav a.active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.drawer-foot p{font-size:13px;color:var(--text-2);line-height:1.75;}

@media (max-width:1023px){
  body{padding-bottom:78px;}
  .mobile-bar{display:flex;}
  .main-nav{display:none;}
  .hamburger{display:inline-flex;}
  .side-col{flex:1 1 100%;max-width:100%;}
  .side-sticky{position:static;}
  .article-layout{gap:32px;}
  .cta-band{padding:34px 26px;}
  .footer-main{padding:48px 0 32px;}
}
@media (max-width:767px){
  .brand-text{font-size:15px;}
  .brand-sub{display:none;}
  .brand-mark{width:36px;height:36px;flex-basis:36px;font-size:14px;border-radius:10px;}
  .topbar-links a:first-child{display:none;}
  .article-body{font-size:16.5px;}
  .sec-head{flex-direction:column;align-items:flex-start;}
  .next-cards{gap:16px;}
  .related-sec{padding-top:56px;}
  .cta-band{margin-top:56px;}
  .site-footer{margin-top:64px;}
}
@media (max-width:520px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .article-head h1{font-size:24px;line-height:1.38;}
  .share-group{margin-left:0;width:100%;}
  .card-grid{gap:18px;}
  .back-bar{flex-direction:column;align-items:flex-start;}
  .back-bar .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}
@media print{
  .site-header,.mobile-bar,.site-footer,.side-col,.cta-band,.next-cards{display:none !important;}
  body{background:#fff;}
  .article-body{max-width:100%;}
}

/* roulang page: category1 */
:root{
  --purple:#5A2BD6;
  --purple-deep:#4220A8;
  --purple-soft:#EFE9FF;
  --lime:#C8F24E;
  --orange:#F2622B;
  --ink:#14121B;
  --ink-2:#1F1B2E;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --line:#E8E4DC;
  --line-inv:rgba(255,255,255,.10);
  --t1:#1C1A24;
  --t2:#5C5768;
  --t-inv:#F7F6F2;
  --t-inv2:#B9B4C6;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(20,18,27,.05);
  --sh-2:0 10px 30px -12px rgba(20,18,27,.16);
  --sh-3:0 18px 44px -16px rgba(90,43,214,.28);
  --ease:.18s ease-out;
  --ease-slow:.28s ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--t1);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:0;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--purple);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
a:hover{color:var(--purple-deep);}
h1,h2,h3,h4{margin:0;color:var(--t1);line-height:1.35;font-weight:700;letter-spacing:.01em;}
h1{font-size:clamp(30px,4.2vw,48px);line-height:1.25;font-weight:800;}
h2{font-size:clamp(22px,2.6vw,32px);}
h3{font-size:19px;font-weight:600;line-height:1.5;}
p{margin:0 0 1.15em;}
ul{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
::selection{background:var(--purple-soft);color:var(--purple-deep);}

/* ---------- Foundation 默认外观覆盖 ---------- */
.grid-container{max-width:1200px;padding-left:28px;padding-right:28px;margin-left:auto;margin-right:auto;}
@media (min-width:1440px){.grid-container{max-width:1280px;}}
@media (max-width:639px){.grid-container{padding-left:20px;padding-right:20px;}}
.grid-x{display:flex;flex-flow:row wrap;}
.grid-x.grid-pad{margin-left:-14px;margin-right:-14px;}
.grid-x.grid-pad>.cell{padding-left:14px;padding-right:14px;margin-bottom:28px;}
.accordion{border:0;background:transparent;}
.accordion .accordion-item{border:0;background:transparent;}
a.button,button.button{background:transparent;color:inherit;padding:0;margin:0;}

/* ---------- 顶栏 ---------- */
.topbar{background:var(--ink);color:var(--t-inv2);font-size:13px;line-height:32px;}
.topbar .inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:32px;}
.topbar .tb-left{display:flex;align-items:center;gap:10px;min-width:0;}
.topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block;flex:none;}
.topbar .tb-right{display:flex;align-items:center;gap:18px;white-space:nowrap;}
.topbar a{color:var(--t-inv2);}
.topbar a:hover{color:var(--lime);}
@media (max-width:639px){.topbar .tb-right{display:none;}.topbar .tb-left{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}}

/* ---------- 导航 ---------- */
.site-header{background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh-1);position:sticky;top:0;z-index:60;}
.nav-row{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--t1);flex:none;}
.brand:hover{color:var(--t1);}
.brand-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(140deg,var(--purple),var(--purple-deep));color:#fff;font-weight:800;font-size:15px;display:grid;place-items:center;box-shadow:var(--sh-3);letter-spacing:.02em;flex:none;}
.brand-text{display:block;font-weight:800;font-size:16px;line-height:1.25;color:var(--t1);}
.brand-sub{display:block;font-size:12px;color:var(--t2);line-height:1.4;}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{position:relative;padding:8px 13px;font-size:15px;font-weight:600;color:var(--t1);border-radius:8px;}
.main-nav a::after{content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;border-radius:2px;background:transparent;transition:background var(--ease);}
.main-nav a:hover{color:var(--purple);background:var(--purple-soft);}
.main-nav a:hover::after{background:#C6B4F5;}
.main-nav a.active{color:var(--purple);}
.main-nav a.active::after{background:var(--lime);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none;}
.icon-btn{width:42px;height:42px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;color:var(--t2);background:#fff;transition:all var(--ease);}
.icon-btn:hover{color:var(--purple);border-color:var(--purple);background:var(--purple-soft);}
.hamburger{display:none;width:44px;height:42px;border-radius:10px;border:1px solid var(--line);place-items:center;color:var(--t1);background:#fff;}
.hamburger:hover{color:var(--purple);border-color:var(--purple);}
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-actions .icon-btn{display:none;}
  .hamburger{display:grid;}
}
@media (max-width:639px){
  .brand-text{font-size:14.5px;}
  .brand-sub{display:none;}
  .nav-actions .btn{display:none;}
}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;top:0;bottom:0;left:0;width:min(86vw,340px);background:var(--ink-2);color:var(--t-inv);z-index:120;transform:translateX(-102%);transition:transform var(--ease-slow);padding:22px 22px calc(28px + env(safe-area-inset-bottom));overflow-y:auto;display:flex;flex-direction:column;}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-head .brand-text{color:var(--t-inv);}
.drawer-head .brand-sub{color:var(--t-inv2);}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line-inv);display:grid;place-items:center;color:var(--t-inv);font-size:15px;}
.drawer-close:hover{color:var(--lime);border-color:var(--lime);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px;}
.drawer-nav a{padding:13px 12px;border-radius:10px;color:var(--t-inv);font-size:15.5px;font-weight:600;border:1px solid transparent;}
.drawer-nav a:hover,.drawer-nav a.active{background:rgba(90,43,214,.28);border-color:rgba(200,242,78,.35);color:var(--lime);}
.drawer-tip{font-size:13px;color:var(--t-inv2);line-height:1.75;margin:auto 0 16px;}
.drawer-mask{position:fixed;inset:0;background:rgba(20,18,27,.55);opacity:0;visibility:hidden;transition:opacity var(--ease-slow),visibility var(--ease-slow);z-index:110;}
.drawer-mask.open{opacity:1;visibility:visible;}

/* ---------- 按钮 / 标签 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);white-space:nowrap;}
.btn-primary{background:var(--purple);color:#fff;}
.btn-primary:hover{background:var(--purple-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3);}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{color:var(--ink);transform:translateY(-1px);box-shadow:0 14px 30px -14px rgba(200,242,78,.85);}
.btn-ghost{border-color:rgba(255,255,255,.34);color:var(--t-inv);background:transparent;}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);background:rgba(200,242,78,.08);}
.btn-outline{border-color:var(--purple);color:var(--purple);background:transparent;}
.btn-outline:hover{background:var(--purple-soft);color:var(--purple-deep);}
.btn-lg{height:50px;padding:0 26px;font-size:16px;}
.btn-sm{height:32px;padding:0 14px;font-size:13.5px;border-radius:8px;}
.btn-pill{border-radius:999px;}
.btn-block{width:100%;}
.arrow-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--purple);}
.arrow-link i{transition:transform var(--ease);font-size:13px;}
.arrow-link:hover i{transform:translateX(3px);}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12.5px;font-weight:600;background:var(--purple-soft);color:var(--purple-deep);}
.tag-lime{background:var(--lime);color:var(--ink);}
.tag-orange{background:rgba(242,98,43,.12);color:var(--orange);}

/* ---------- 页头 ---------- */
.page-head{position:relative;background:var(--ink);color:var(--t-inv);overflow:hidden;}
.page-head-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.36;}
.page-head::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(20,18,27,.95) 10%,rgba(66,32,168,.74) 62%,rgba(20,18,27,.9) 100%);}
.page-head-inner{position:relative;z-index:2;padding-top:40px;padding-bottom:44px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:center;min-height:250px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t-inv2);margin-bottom:16px;}
.breadcrumb a{color:var(--t-inv2);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{color:rgba(255,255,255,.28);}
.breadcrumb .now{color:var(--t-inv);}
.page-head h1{color:#fff;max-width:760px;}
.page-head-sub{margin:16px 0 0;color:var(--t-inv2);font-size:16px;line-height:1.8;max-width:620px;}
.head-stats{display:flex;gap:14px;}
.stat-box{border:1px solid var(--line-inv);background:rgba(255,255,255,.05);border-radius:12px;padding:14px 18px;min-width:140px;}
.stat-box .num{font-size:26px;font-weight:800;color:var(--lime);line-height:1.2;font-variant-numeric:tabular-nums;}
.stat-box .lab{font-size:12.5px;color:var(--t-inv2);line-height:1.5;margin-top:4px;}
@media (max-width:1023px){
  .page-head-inner{grid-template-columns:1fr;gap:24px;}
  .head-stats{flex-wrap:wrap;}
  .stat-box{flex:1 1 140px;min-width:0;}
}

/* ---------- 页面主体 ---------- */
.section{padding:56px 0;}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px;}
.section-head p{margin:10px 0 0;color:var(--t2);font-size:15px;max-width:660px;}
.section-dark{background:var(--ink);color:var(--t-inv);}
.section-dark h2,.section-dark h3{color:#fff;}

/* 分类布局 */
.cat-layout{display:grid;grid-template-columns:248px minmax(0,1fr);gap:32px;align-items:start;}
@media (max-width:1023px){.cat-layout{grid-template-columns:1fr;gap:24px;}}
.side-panel{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px;}
@media (max-width:1023px){.side-panel{position:static;}}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);}
.side-title{font-size:13.5px;font-weight:700;color:var(--t2);letter-spacing:.04em;margin-bottom:12px;}
.anchor-list{display:flex;flex-direction:column;gap:2px;}
.anchor-list a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;font-size:15px;font-weight:600;color:var(--t1);}
.anchor-list a i{font-size:12px;color:var(--purple);width:14px;text-align:center;}
.anchor-list a:hover,.anchor-list a.on{background:var(--purple-soft);color:var(--purple-deep);}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.side-cta{background:linear-gradient(150deg,var(--ink-2),var(--ink));border:1px solid var(--line-inv);border-radius:var(--r-card);padding:22px;color:var(--t-inv);}
.side-cta h3{color:#fff;font-size:16px;margin-bottom:8px;}
.side-cta p{color:var(--t-inv2);font-size:13.5px;line-height:1.75;margin-bottom:16px;}
@media (max-width:1023px){
  .side-panel .side-card:first-child{overflow-x:auto;}
  .anchor-list{flex-direction:row;gap:8px;}
  .anchor-list a{white-space:nowrap;background:#fff;border:1px solid var(--line);padding:8px 14px;font-size:14px;}
}

/* 卡片 */
.card-grid{margin-bottom:-28px;}
.entry-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#DAD3F5;}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EFEDE8;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease-slow);}
.entry-card:hover .card-media img{transform:scale(1.03);}
.card-badge{position:absolute;top:10px;left:10px;height:24px;display:inline-flex;align-items:center;padding:0 10px;border-radius:999px;background:var(--lime);color:var(--ink);font-size:12px;font-weight:700;}
.card-body{display:flex;flex-direction:column;gap:10px;padding:16px 18px 18px;flex:1;}
.card-body h3{font-size:17px;font-weight:700;}
.card-body p{font-size:14px;color:var(--t2);line-height:1.75;margin:0;}
.card-foot{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media (max-width:1023px){.steps{grid-template-columns:1fr;}}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease);}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.step::before{content:"";display:block;width:38px;height:3px;border-radius:2px;background:var(--lime);margin-bottom:16px;}
.step-num{font-size:38px;font-weight:800;line-height:1;color:#DCD2F8;margin-bottom:10px;font-variant-numeric:tabular-nums;}
.step h3{margin-bottom:8px;font-size:18px;}
.step p{font-size:14.5px;color:var(--t2);margin:0;line-height:1.8;}

/* 清单 */
.check-block{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:28px;align-items:start;}
@media (max-width:1023px){.check-block{grid-template-columns:1fr;}}
.checklist{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:6px 22px;box-shadow:var(--sh-1);}
.checklist li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);font-size:15.5px;line-height:1.8;}
.checklist li:last-child{border-bottom:0;}
.check-ico{flex:none;width:24px;height:24px;border-radius:999px;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-size:11px;margin-top:6px;}
.notice-card{background:linear-gradient(155deg,var(--ink-2),var(--ink));border:1px solid var(--line-inv);border-radius:var(--r-card);padding:26px;color:var(--t-inv);}
.notice-card h3{color:#fff;font-size:18px;margin-bottom:12px;}
.notice-card p{color:var(--t-inv2);font-size:14.5px;line-height:1.85;}
.notice-card .tag{margin-bottom:14px;}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-accordion .accordion-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);transition:border-color var(--ease);}
.faq-accordion .accordion-item:hover{border-color:#DAD3F5;}
.faq-accordion .accordion-title{position:relative;display:block;padding:18px 56px 18px 20px;font-size:16px;font-weight:600;color:var(--t1);background:#fff;border:0;line-height:1.6;}
.faq-accordion .accordion-title:hover{background:#FAF9F6;color:var(--purple-deep);}
.faq-accordion .accordion-title::before{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:20px;font-weight:400;color:var(--purple);line-height:1;transition:transform var(--ease);}
.faq-accordion .accordion-item.is-active .accordion-title::after{content:"";}
.faq-accordion .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(45deg);}
.faq-accordion .accordion-content{display:none;padding:0 20px 20px;color:var(--t2);font-size:15px;line-height:1.85;}
.faq-accordion .accordion-item.is-active>.accordion-content{display:block;}
.faq-accordion .accordion-content p:last-child{margin-bottom:0;}

/* CTA 大条 */
.cta-band{position:relative;overflow:hidden;background:var(--ink);border-radius:18px;padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;color:var(--t-inv);}
.cta-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);background-size:16px 16px;opacity:.6;pointer-events:none;}
.cta-band>*{position:relative;z-index:2;}
.cta-band h2{color:#fff;margin-bottom:10px;}
.cta-band p{color:var(--t-inv2);font-size:15px;margin:0;max-width:620px;}
@media (max-width:1023px){.cta-band{flex-direction:column;align-items:flex-start;padding:30px 24px;}}

/* 页脚 */
.site-footer{position:relative;background:var(--ink);color:var(--t-inv2);}
.site-footer::before{content:"";position:absolute;top:0;left:0;width:180px;height:2px;background:linear-gradient(90deg,var(--lime),rgba(200,242,78,0));}
.footer-main{padding:60px 0 40px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px;}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:639px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand .brand{display:flex;align-items:center;gap:12px;color:var(--t-inv);}
.footer-brand .brand:hover{color:var(--t-inv);}
.footer-brand .brand-mark{background:linear-gradient(140deg,var(--purple),var(--purple-deep));}
.footer-brand .brand-text{color:var(--t-inv);font-weight:800;font-size:16px;display:block;}
.footer-brand .brand-sub{color:var(--t-inv2);font-size:12px;display:block;}
.footer-brand p{margin:16px 0 0;color:var(--t-inv2);font-size:14px;line-height:1.85;max-width:360px;}
.footer-contact{margin-top:18px;display:grid;gap:8px;font-size:13.5px;color:var(--t-inv2);}
.footer-contact span{display:inline-block;min-width:70px;color:var(--lime);}
.footer-col h4{color:var(--t-inv);font-size:15px;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:var(--t-inv2);font-size:14px;}
.footer-col a:hover{color:var(--lime);}
.qr-box{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--line-inv);border-radius:12px;background:rgba(255,255,255,.04);color:var(--t-inv2);font-size:13.5px;}
.qr-box i{font-size:24px;color:var(--lime);}
.footer-bottom{border-top:1px solid var(--line-inv);padding:18px 0;font-size:13px;color:var(--t-inv2);}
.footer-bottom .inner{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;}

/* 移动端固定转化条 */
.mobile-cta{position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;align-items:center;justify-content:space-between;gap:14px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-top:1px solid var(--line);box-shadow:0 -8px 26px -16px rgba(20,18,27,.5);}
.mobile-cta .tip{font-size:13px;color:var(--t2);line-height:1.4;}
@media (max-width:1023px){
  .mobile-cta{display:flex;}
  body{padding-bottom:80px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}
@media print{
  .site-header,.mobile-cta,.drawer,.drawer-mask,.cta-band{display:none !important;}
  body{background:#fff;padding:0;}
  a{color:#000;text-decoration:underline;}
}

/* roulang page: category2 */
:root{
  --brand:#5A2BD6;
  --brand-deep:#4220A8;
  --brand-soft:#EFE9FF;
  --lime:#C8F24E;
  --orange:#F2622B;
  --ink:#14121B;
  --ink-2:#1F1B2E;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --line:#E8E4DC;
  --t1:#1C1A24;
  --t2:#5C5768;
  --t-inv:#F7F6F2;
  --t-inv2:#B9B4C6;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh1:0 1px 2px rgba(20,18,27,.05);
  --sh2:0 10px 30px -12px rgba(20,18,27,.16);
  --sh3:0 18px 44px -16px rgba(90,43,214,.28);
  --sec:96px;
  --sec-m:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--t1);
  background:var(--paper);
  padding-bottom:0;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-img);}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--t1);letter-spacing:.01em;}
h1{font-size:clamp(30px,4.2vw,48px);line-height:1.25;font-weight:800;}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;font-weight:700;}
h3{font-size:19px;line-height:1.5;font-weight:600;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.grid-container{max-width:1200px;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto;}
@media (min-width:1024px){.grid-container{padding-left:28px;padding-right:28px;}}
@media (min-width:1440px){.grid-container{max-width:1280px;}}
.section{padding:var(--sec-m) 0;}
@media (min-width:1024px){.section{padding:var(--sec) 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-head p{color:var(--t2);font-size:15.5px;max-width:640px;margin:8px 0 0;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--brand);background:var(--brand-soft);padding:5px 12px;border-radius:999px;margin-bottom:14px;}

/* ============ 顶部信息条 + 导航 ============ */
.site-header{position:sticky;top:0;z-index:80;}
.topbar{background:var(--ink);color:var(--t-inv2);font-size:13px;height:32px;display:flex;align-items:center;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;width:100%;}
.topbar-note{display:inline-flex;align-items:center;gap:8px;color:var(--t-inv);}
.topbar-note i{color:var(--lime);font-size:12px;}
.topbar-side{color:var(--t-inv2);}
@media (max-width:639px){.topbar-side{display:none;}}
.nav-wrap{background:var(--card);border-bottom:1px solid var(--line);box-shadow:var(--sh1);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--t1);}
.brand:hover{color:var(--t1);}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;font-weight:800;font-size:15px;letter-spacing:.02em;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{display:block;font-size:16px;font-weight:700;line-height:1.2;}
.brand-sub{display:block;font-size:12px;color:var(--t2);line-height:1.5;}
.main-nav{display:flex;align-items:center;gap:28px;}
.main-nav a{
  position:relative;color:var(--t1);font-size:15px;font-weight:500;padding:6px 0;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:transparent;transition:background .18s ease-out;
}
.main-nav a:hover{color:var(--brand);}
.main-nav a:hover::after{background:var(--brand-soft);}
.main-nav a.active{color:var(--brand);font-weight:700;}
.main-nav a.active::after{background:var(--lime);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--card);
  color:var(--t2);display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all .18s ease-out;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand-soft);background:var(--brand-soft);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--card);color:var(--t1);cursor:pointer;align-items:center;justify-content:center;font-size:16px;
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-actions .btn{display:none;}
  .nav-toggle{display:flex;}
}
@media (max-width:639px){
  .nav-inner{height:62px;}
  .brand-text{font-size:14.5px;}
  .brand-sub{display:none;}
}

/* 移动抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;background:var(--card);
  z-index:120;transform:translateX(105%);transition:transform .28s ease-out;
  padding:22px 22px 28px;display:flex;flex-direction:column;gap:22px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--card);
  color:var(--t2);cursor:pointer;font-size:15px;
}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  padding:14px 0;border-bottom:1px solid var(--line);color:var(--t1);font-size:16px;font-weight:500;
}
.drawer-nav a.active{color:var(--brand);font-weight:700;}
.drawer-overlay{
  position:fixed;inset:0;background:rgba(20,18,27,.45);opacity:0;visibility:hidden;
  transition:opacity .28s ease-out,visibility .28s ease-out;z-index:110;
}
.drawer-overlay.open{opacity:1;visibility:visible;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:all .18s ease-out;white-space:nowrap;
}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.btn-lg{height:50px;padding:0 26px;font-size:16px;}
.btn-pill{border-radius:999px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh1);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh3);}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{color:var(--ink);transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(200,242,78,.9);filter:brightness(1.03);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);}
.btn:active{transform:translateY(0);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand);
}
.link-arrow i{transition:transform .18s ease-out;font-size:12px;}
.link-arrow:hover i{transform:translateX(3px);}

/* ============ 标签 / 徽章 ============ */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12.5px;font-weight:600;}
.badge-lime{background:var(--lime);color:var(--ink);}
.badge-soft{background:var(--brand-soft);color:var(--brand-deep);}
.badge-orange{background:rgba(242,98,43,.12);color:var(--orange);}
.chipbar{display:flex;flex-wrap:wrap;gap:10px;padding:0 0 8px;}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--card);color:var(--t2);font-size:14px;font-weight:500;
  transition:all .18s ease-out;
}
.chip:hover{border-color:var(--brand-soft);background:var(--brand-soft);color:var(--brand-deep);}
.chip.is-active{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:700;}
.chip-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;flex-wrap:nowrap;padding-bottom:4px;}
.chip-scroll::-webkit-scrollbar{height:4px;}
.chip-scroll::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px;}

/* ============ 页头（亮底版） ============ */
.page-head{
  position:relative;background:var(--paper);border-bottom:1px solid var(--line);
  padding:44px 0 52px;overflow:hidden;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(90,43,214,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(90,43,214,.05) 1px,transparent 1px);
  background-size:28px 28px;pointer-events:none;
}
.page-head::after{
  content:"";position:absolute;right:6%;top:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(90,43,214,.14) 0%,rgba(90,43,214,0) 70%);pointer-events:none;
}
.page-head .grid-container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t2);margin-bottom:18px;}
.crumb a{color:var(--t2);}
.crumb a:hover{color:var(--brand);}
.crumb span.sep{color:var(--line);}
.crumb .now{color:var(--t1);font-weight:600;}
.page-head h1{margin-bottom:16px;max-width:640px;}
.page-head .lede{font-size:17px;color:var(--t2);max-width:600px;margin-bottom:22px;}
.head-metrics{display:flex;flex-wrap:wrap;gap:14px;}
.metric{
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 18px;box-shadow:var(--sh1);
  min-width:132px;
}
.metric b{display:block;font-size:22px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
.metric span{font-size:13px;color:var(--t2);}
.arch-card{
  background:linear-gradient(165deg,var(--ink) 0%,var(--ink-2) 100%);
  border-radius:120px 120px 14px 14px;padding:44px 28px 28px;color:var(--t-inv);
  box-shadow:var(--sh3);position:relative;overflow:hidden;
}
.arch-card::after{
  content:"9";position:absolute;right:14px;bottom:-24px;font-size:130px;font-weight:800;line-height:1;
  color:rgba(247,246,242,.07);pointer-events:none;
}
.arch-card h3{color:var(--t-inv);font-size:20px;margin-bottom:10px;}
.arch-card p{color:var(--t-inv2);font-size:14.5px;line-height:1.8;}
.arch-mini{margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.10);}
.arch-mini li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--t-inv);padding:6px 0;}
.arch-mini i{color:var(--lime);font-size:12px;}

/* ============ 时间轴流程列表 ============ */
.flow-list{position:relative;padding-left:0;}
.flow-item{
  display:flex;gap:20px;padding:26px 0;border-bottom:1px solid var(--line);
  transition:background .18s ease-out;
}
.flow-item:hover{background:#FAF9F6;}
.flow-node{
  flex:0 0 104px;position:relative;padding-left:22px;
}
.flow-node::before{
  content:"";position:absolute;left:0;top:10px;width:11px;height:11px;border-radius:50%;
  background:var(--card);border:2px solid var(--brand);box-sizing:border-box;
}
.flow-item.is-current .flow-node::before{background:var(--lime);border-color:var(--lime);}
.flow-list::before{
  content:"";position:absolute;left:5px;top:18px;bottom:18px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand-soft) 0%,var(--line) 100%);
}
.flow-node b{display:block;font-size:14px;font-weight:800;color:var(--brand);letter-spacing:.02em;font-variant-numeric:tabular-nums;}
.flow-node span{display:block;font-size:12.5px;color:var(--t2);margin-top:2px;}
.flow-body{flex:1;min-width:0;}
.flow-body h3{margin:10px 0 8px;}
.flow-body p{color:var(--t2);font-size:15px;margin-bottom:14px;}
.flow-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
@media (max-width:639px){
  .flow-item{flex-direction:column;gap:10px;}
  .flow-node{flex:none;padding-left:22px;}
  .flow-list::before{top:14px;bottom:14px;}
}

/* ============ 侧栏 ============ */
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh1);margin-bottom:20px;}
.side-card h3{font-size:17px;margin-bottom:16px;}
.rank-list li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);
}
.rank-list li:last-child{border-bottom:0;padding-bottom:0;}
.rank-num{
  flex:0 0 24px;height:24px;border-radius:8px;background:var(--brand-soft);color:var(--brand-deep);
  font-size:12.5px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.rank-list a{color:var(--t1);font-size:14.5px;font-weight:500;line-height:1.6;}
.rank-list a:hover{color:var(--brand);}
.side-cta{background:linear-gradient(160deg,var(--ink) 0%,var(--ink-2) 100%);border:0;color:var(--t-inv);}
.side-cta h3{color:var(--t-inv);}
.side-cta p{color:var(--t-inv2);font-size:14px;line-height:1.8;margin-bottom:16px;}
.sticky-side{position:sticky;top:120px;}
@media (max-width:1023px){
  .sticky-side{position:static;}
  .side-col{margin-top:36px;}
}

/* ============ 大图卡（两组两列） ============ */
.gallery-block{margin-bottom:56px;}
.gallery-block:last-child{margin-bottom:0;}
.gallery-block .block-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:14px;margin-bottom:22px;}
.gallery-block .block-head h3{font-size:20px;}
.gallery-block .block-head span{font-size:13.5px;color:var(--t2);}
.figure-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh1);transition:transform .18s ease-out,box-shadow .28s ease-out;height:100%;
}
.figure-card:hover{transform:translateY(-2px);box-shadow:var(--sh2);}
.figure-media{position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:0;}
.figure-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .28s ease-out;}
.figure-card:hover .figure-media img{transform:scale(1.03);}
.figure-media .badge{position:absolute;left:10px;top:10px;}
.figure-body{padding:20px 22px 24px;}
.figure-body h4{font-size:17px;line-height:1.5;font-weight:600;margin-bottom:8px;}
.figure-body p{font-size:14.5px;color:var(--t2);line-height:1.8;margin-bottom:12px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:transparent;border:0;padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;text-align:left;font-size:16px;font-weight:600;color:var(--t1);cursor:pointer;
}
.faq-q:hover{color:var(--brand);}
.faq-ico{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:12px;transition:transform .28s ease-out,background .18s ease-out;
}
.faq-item.open .faq-ico{transform:rotate(45deg);background:var(--lime);color:var(--ink);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out;}
.faq-a p{font-size:15px;color:var(--t2);padding:0 40px 20px 0;}
.faq-item.open .faq-q{color:var(--brand);}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;background:var(--ink) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  border-radius:var(--r-card);overflow:hidden;padding:44px 28px;color:var(--t-inv);
}
.cta-band::before{
  content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(20,18,27,.94) 0%,rgba(31,27,46,.86) 60%,rgba(90,43,214,.55) 100%);
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);background-size:16px 16px;opacity:.5;
}
.cta-band .inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.cta-band h2{color:var(--t-inv);margin-bottom:10px;}
.cta-band p{color:var(--t-inv2);font-size:15px;max-width:560px;}
@media (max-width:767px){
  .cta-band{padding:34px 22px;}
  .cta-band .inner .btn{width:100%;}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--t-inv2);margin-top:var(--sec-m);border-top:1px solid var(--lime);}
.footer-main{padding:56px 0 36px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text{color:var(--t-inv);}
.footer-brand .brand-sub{color:var(--t-inv2);}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--t-inv2);max-width:340px;}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px;font-size:13.5px;}
.footer-contact div{color:var(--t-inv);}
.footer-contact span{color:var(--t-inv2);margin-right:8px;}
.footer-col h4{font-size:15px;color:var(--t-inv);margin-bottom:16px;font-weight:700;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:var(--t-inv2);font-size:14px;}
.footer-col a:hover{color:var(--lime);}
.qr-box{
  display:flex;align-items:center;gap:12px;border:1px dashed rgba(255,255,255,.18);
  border-radius:12px;padding:14px;margin-bottom:14px;color:var(--t-inv);
}
.qr-box i{font-size:26px;color:var(--lime);}
.qr-box span{font-size:14px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:18px 0 22px;}
.footer-bottom .inner{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:13px;color:var(--t-inv2);}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:639px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-main{padding:40px 0 28px;}
  .footer-bottom .inner{flex-direction:column;gap:6px;}
}

/* ============ 移动固定转化条 ============ */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;align-items:center;justify-content:space-between;
  gap:14px;padding:12px 18px calc(12px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-top:1px solid var(--line);
}
.sticky-cta span{font-size:13.5px;color:var(--t2);}
@media (max-width:1023px){
  .sticky-cta{display:flex;}
  body{padding-bottom:82px;}
}

/* ============ 其他 ============ */
.soft-note{
  background:var(--brand-soft);border-left:4px solid var(--brand);border-radius:10px;
  padding:16px 20px;font-size:14.5px;color:var(--brand-deep);line-height:1.8;
}
.divider{height:1px;background:var(--line);border:0;margin:0;}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}
@media print{
  .site-header,.sticky-cta,.drawer,.drawer-overlay{display:none !important;}
  body{background:#fff;}
}