/* roulang page: index */
:root{
  --brand-1:#7A2FF7;
  --brand-2:#F0306E;
  --grad:linear-gradient(120deg,#7A2FF7,#F0306E);
  --accent:#00D6C2;
  --accent-2:#FF8A2B;
  --bg:#F7F4FB;
  --surface:#FFFFFF;
  --line:#ECE6F6;
  --dark:#17112B;
  --text:#1B1430;
  --muted:#6B6480;
  --soft:#FAF8FE;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh-1:0 18px 40px -20px rgba(40,20,80,.28);
  --sh-2:0 8px 20px -12px rgba(40,20,80,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-1);text-decoration:none;transition:color .18s var(--ease);}
a:hover,a:focus{color:var(--brand-2);}
a:visited{color:var(--brand-1);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
input,select,textarea{-webkit-appearance:none;appearance:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px;}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media screen and (max-width:639px){
  .grid-container{padding-left:16px;padding-right:16px;}
}
/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(40,20,80,.35);}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:16px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px;
  box-shadow:0 10px 22px -12px rgba(122,47,247,.75);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:-.2px;color:var(--text);}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.4px;}
.brand:hover .brand-text strong{color:var(--brand-1);}
.nav-links{display:flex;align-items:center;gap:28px;flex:1 1 auto;}
.nav-links a{
  position:relative;font-size:16px;color:var(--text);padding:6px 2px;font-weight:500;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:-4px;transform:translateX(-50%);
  width:0;height:3px;border-radius:999px;background:var(--grad);transition:width .2s var(--ease);
}
.nav-links a:hover{color:var(--brand-1);}
.nav-links a:hover::after{width:24px;}
.nav-links a.active{color:var(--brand-1);font-weight:700;}
.nav-links a.active::after{width:24px;}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{position:relative;}
.nav-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:13px;pointer-events:none;}
.nav-search input{
  width:230px;height:42px;border-radius:999px;border:1px solid var(--line);
  background:var(--soft);padding:0 16px 0 36px;font-size:14px;color:var(--text);outline:none;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-search input::placeholder{color:#A39BB8;}
.nav-search input:focus{border-color:rgba(122,47,247,.55);background:#fff;box-shadow:0 0 0 3px rgba(122,47,247,.10);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px -14px rgba(240,48,110,.85);}
.btn-primary:hover,.btn-primary:focus{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 18px 34px -16px rgba(240,48,110,.9);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand-1);}
.btn-ghost:hover,.btn-ghost:focus{background:#F5EEFF;border-color:rgba(122,47,247,.45);color:var(--brand-1);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.nav-cta{position:relative;}
.nav-cta::after{
  content:"";position:absolute;right:-2px;top:-2px;width:8px;height:8px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 3px rgba(0,214,194,.22);
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--text);font-size:17px;cursor:pointer;align-items:center;justify-content:center;
}
.mobile-panel{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:16px 0 22px;border-radius:0 0 var(--r-lg) var(--r-lg);
}
.mobile-panel.is-open{display:block;}
.mobile-panel a.m-link{display:block;padding:13px 4px;font-size:16px;color:var(--text);border-bottom:1px solid var(--line);}
.mobile-panel a.m-link:last-of-type{border-bottom:0;}
.mobile-panel a.m-link.active{color:var(--brand-1);font-weight:700;}
.mobile-panel .m-search{position:relative;margin:14px 0 8px;}
.mobile-panel .m-search i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:13px;}
.mobile-panel .m-search input{width:100%;height:46px;border-radius:999px;border:1px solid var(--line);background:var(--soft);padding:0 16px 0 40px;outline:none;}
.mobile-panel .btn{width:100%;margin-top:10px;}
@media screen and (max-width:1023px){
  .nav-links{display:none;}
  .nav-search{display:none;}
  .nav-right .btn-ghost{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-wrap{gap:12px;justify-content:space-between;height:60px;}
  .brand-text em{display:none;}
  .nav-right{gap:8px;}
  .nav-right .btn-primary{height:40px;padding:0 16px;font-size:14px;}
}
/* ===== 通用板块 ===== */
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
@media screen and (max-width:1023px){
  .section{padding:72px 0;}
  .section-tight{padding:52px 0;}
}
@media screen and (max-width:639px){
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;
  color:var(--brand-1);background:#F2EAFF;border-radius:999px;padding:5px 14px;margin-bottom:16px;
}
.eyebrow i{font-size:11px;}
.sec-title{font-size:28px;font-weight:700;letter-spacing:-.3px;}
.sec-title .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.sec-desc{margin-top:14px;color:var(--muted);font-size:16px;max-width:720px;}
.sec-head.center .sec-desc{margin-left:auto;margin-right:auto;}
/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  padding:72px 0 84px;
  background:
    radial-gradient(900px 420px at 88% -10%,rgba(122,47,247,.16),transparent 62%),
    radial-gradient(700px 380px at 6% 10%,rgba(0,214,194,.14),transparent 60%),
    var(--bg);
}
.hero::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad);}
.hero-inner{display:flex;align-items:center;gap:48px;flex-wrap:wrap;}
.hero-copy{flex:1 1 480px;min-width:0;}
.hero-visual{flex:1 1 420px;min-width:0;position:relative;}
.hero-badge-top{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--brand-1);background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:6px 14px;margin-bottom:18px;box-shadow:var(--sh-2);
}
.hero-badge-top .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);}
.hero h1{
  font-size:40px;line-height:1.28;font-weight:800;letter-spacing:-.6px;
}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{margin-top:20px;font-size:17px;color:var(--muted);max-width:620px;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-note{margin-top:16px;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;}
.hero-note i{color:var(--accent);}
.hero-img-wrap{
  position:relative;border-radius:var(--r-md);overflow:hidden;
  padding:1px;background:var(--grad);box-shadow:var(--sh-1);
}
.hero-img-wrap img{width:100%;height:auto;border-radius:17px;object-fit:cover;aspect-ratio:4/3;}
.hero-img-mask{
  position:absolute;inset:0;border-radius:17px;
  background:linear-gradient(180deg,rgba(23,17,43,0) 40%,rgba(23,17,43,.55) 100%);
}
.hero-img-cap{
  position:absolute;left:20px;bottom:18px;color:#fff;font-size:14px;font-weight:600;
  display:flex;align-items:center;gap:8px;
}
.hero-img-cap i{color:var(--accent);}
.float-badge{
  position:absolute;display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:9px 16px;box-shadow:var(--sh-1);
}
.float-badge strong{font-size:18px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--text);}
.float-badge em{font-style:normal;font-size:12px;color:var(--muted);}
.float-badge .dot{width:8px;height:8px;border-radius:50%;}
.dot-cyan{background:var(--accent);}
.dot-orange{background:var(--accent-2);}
.badge-a{top:-16px;right:-8px;}
.badge-b{bottom:34px;left:-14px;}
@media screen and (max-width:639px){
  .hero{padding:48px 0 56px;}
  .hero h1{font-size:29px;line-height:1.34;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .float-badge{position:static;margin-top:12px;display:inline-flex;}
  .hero-visual{display:flex;flex-direction:column;}
  .float-badge+.float-badge{margin-left:10px;}
}
/* ===== 信任条 ===== */
.trust-strip{background:#fff;border-bottom:1px solid var(--line);}
.trust-row{
  display:flex;gap:12px;flex-wrap:wrap;padding:18px 0;align-items:center;
}
.trust-item{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);
  background:var(--soft);border-radius:999px;padding:8px 16px;white-space:nowrap;
}
.trust-item i{color:var(--brand-1);font-size:13px;}
@media screen and (max-width:639px){
  .trust-row{flex-wrap:nowrap;overflow-x:auto;padding:14px 0;-webkit-overflow-scrolling:touch;}
  .trust-row::-webkit-scrollbar{display:none;}
}
/* ===== 痛点区 ===== */
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
@media screen and (max-width:1023px){.pain-grid{grid-template-columns:repeat(2,1fr);}}
@media screen and (max-width:599px){.pain-grid{grid-template-columns:1fr;}}
.pain-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;box-shadow:var(--sh-2);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--sh-1);border-color:rgba(122,47,247,.28);}
.pain-num{
  width:40px;height:40px;border-radius:50%;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
  margin-bottom:18px;box-shadow:0 10px 20px -12px rgba(122,47,247,.8);
}
.pain-card h3{font-size:17px;line-height:1.5;margin-bottom:10px;}
.pain-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}
/* ===== 方案区 ===== */
.scheme-row{display:grid;grid-template-columns:2fr 1fr;gap:24px;}
@media screen and (max-width:1023px){.scheme-row{grid-template-columns:1fr;}}
.scheme-dark{
  position:relative;overflow:hidden;background:var(--dark);border-radius:var(--r-lg);
  padding:38px 36px;color:#fff;box-shadow:var(--sh-1);
}
.scheme-dark::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad);}
.scheme-dark::after{
  content:"";position:absolute;right:-80px;bottom:-90px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(122,47,247,.5),transparent 68%);
}
.scheme-dark h3{color:#fff;font-size:22px;margin-bottom:14px;position:relative;z-index:1;}
.scheme-dark p{color:rgba(255,255,255,.72);font-size:15px;position:relative;z-index:1;}
.badge-line{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:#fff;background:rgba(0,214,194,.16);border:1px solid rgba(0,214,194,.4);
  border-radius:999px;padding:5px 14px;margin-bottom:18px;position:relative;z-index:1;
}
.badge-line .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);}
.scheme-points{margin-top:22px;position:relative;z-index:1;}
.scheme-points li{
  display:flex;align-items:flex-start;gap:12px;font-size:15px;color:rgba(255,255,255,.86);
  padding:11px 0;border-bottom:1px solid rgba(255,255,255,.10);
}
.scheme-points li:last-child{border-bottom:0;}
.scheme-points i{color:var(--accent);margin-top:6px;font-size:13px;}
.scheme-light{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px 30px;box-shadow:var(--sh-2);display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.scheme-light:hover{transform:translateY(-4px);box-shadow:var(--sh-1);border-color:rgba(122,47,247,.28);}
.scheme-light h3{font-size:20px;margin-bottom:12px;}
.scheme-light p{font-size:15px;color:var(--muted);}
.icon-round{
  width:48px;height:48px;border-radius:16px;background:#F2EAFF;color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:18px;
}
.mini-row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:24px;}
@media screen and (max-width:899px){.mini-row{grid-template-columns:1fr;}}
.mini-card{
  display:flex;align-items:center;gap:16px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px 22px;box-shadow:var(--sh-2);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.mini-card:hover{transform:translateY(-4px);border-color:rgba(122,47,247,.28);box-shadow:var(--sh-1);}
.mini-card .ico{
  width:44px;height:44px;border-radius:14px;background:var(--grad);color:#fff;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.mini-card h4{font-size:16px;margin-bottom:2px;}
.mini-card span{font-size:13px;color:var(--muted);}
.wide-card{
  margin-top:24px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 32px;box-shadow:var(--sh-2);
}
.wide-card h3{font-size:19px;margin-bottom:6px;}
.wide-card p{font-size:14.5px;color:var(--muted);}
/* ===== 数据段 ===== */
.stats{
  background:var(--dark);color:#fff;position:relative;overflow:hidden;
  padding:80px 0;
}
.stats::before{
  content:"";position:absolute;left:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(122,47,247,.35),transparent 66%);
}
.stats::after{
  content:"";position:absolute;right:-140px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,214,194,.22),transparent 66%);
}
.stats .sec-title{color:#fff;position:relative;z-index:1;}
.stats .sec-desc{color:rgba(255,255,255,.7);position:relative;z-index:1;}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;z-index:1;margin-top:48px;
}
.stat-item{padding:8px 28px;border-left:1px solid rgba(255,255,255,.12);}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-num{
  font-size:52px;font-weight:800;line-height:1.1;letter-spacing:-1px;
  background:linear-gradient(120deg,#7A2FF7,#F0306E 55%,#00D6C2);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.stat-num small{font-size:18px;font-weight:700;margin-left:4px;}
.stat-label{margin-top:10px;font-size:14px;color:rgba(255,255,255,.72);}
@media screen and (max-width:899px){
  .stats{padding:64px 0;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .stat-item{padding:0 20px;border-left:1px solid rgba(255,255,255,.12);}
  .stat-item:nth-child(odd){border-left:0;padding-left:0;}
  .stat-num{font-size:40px;}
}
@media screen and (max-width:639px){
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .stat-num{font-size:34px;}
  .stat-label{font-size:13px;}
}
/* ===== 资讯列表 ===== */
.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:36px;}
.list-more{font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.post-layout{display:grid;grid-template-columns:5fr 7fr;gap:24px;}
@media screen and (max-width:1023px){.post-layout{grid-template-columns:1fr;}}
.post-main{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-2);color:inherit;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.post-main:hover{transform:translateY(-4px);box-shadow:var(--sh-1);border-color:rgba(122,47,247,.3);color:inherit;}
.post-main .thumb{width:100%;aspect-ratio:16/10;object-fit:cover;background:#F2EAFF;}
.post-main .body{padding:26px 24px;}
.post-main h3{font-size:19px;line-height:1.5;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-main p{font-size:14.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.8;}
.meta-row{display:flex;align-items:center;gap:10px;margin-top:18px;font-size:12.5px;color:var(--muted);flex-wrap:wrap;}
.tag{
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;color:var(--brand-1);
  background:#F2EAFF;border-radius:999px;padding:4px 12px;line-height:1.4;
}
.tag-cyan{color:#018E82;background:#E2FBF8;}
.tag-orange{color:#B65A0B;background:#FFF1E2;}
.post-list{display:flex;flex-direction:column;gap:18px;}
.post-item{
  display:flex;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px;box-shadow:var(--sh-2);color:inherit;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.post-item:hover{transform:translateY(-4px);box-shadow:var(--sh-1);border-color:rgba(122,47,247,.3);color:inherit;}
.post-item img{width:132px;height:96px;flex:0 0 132px;border-radius:var(--r-sm);object-fit:cover;background:#F2EAFF;}
.post-item .info{min-width:0;display:flex;flex-direction:column;}
.post-item h3{font-size:16.5px;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-item p{font-size:13.6px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.75;}
.post-item .meta-row{margin-top:auto;padding-top:12px;}
@media screen and (max-width:639px){
  .post-item{flex-direction:column;gap:14px;}
  .post-item img{width:100%;height:auto;flex:none;aspect-ratio:16/9;}
}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-lg);text-align:center;padding:40px 24px;
}
.empty-state i{font-size:30px;color:#C6BCD9;}
.empty-state p{font-size:15px;color:var(--muted);}
/* ===== FAQ ===== */
.faq-wrap{max-width:920px;margin:0 auto;}
.faq-accordion{
  background:transparent;border:0;margin:0;display:flex;flex-direction:column;gap:12px;
}
.faq-accordion .accordion-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-2);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-accordion .accordion-item.is-active{border-color:rgba(122,47,247,.35);box-shadow:var(--sh-1);}
.faq-accordion .accordion-title{
  border:0;padding:20px 58px 20px 24px;font-size:17px;font-weight:700;color:var(--text);line-height:1.6;
}
.faq-accordion .accordion-title:hover,.faq-accordion .accordion-title:focus{
  background:#FBF9FF;color:var(--brand-1);
}
.faq-accordion .accordion-title::before{
  right:22px;top:50%;transform:translateY(-50%);font-size:0;width:24px;height:24px;border-radius:50%;
  background:#F2EAFF;transition:transform .2s var(--ease);
}
.faq-accordion .accordion-title::after{
  position:absolute;right:22px;top:50%;margin-top:-11px;width:24px;height:22px;
  content:"\002B";font-family:inherit;font-size:16px;font-weight:600;color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;transition:transform .22s var(--ease);
}
.faq-accordion .accordion-item.is-active .accordion-title::after{content:"\2212";}
.faq-accordion .accordion-content{border:0;padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.85;}
/* ===== 表单 CTA ===== */
.cta-section{
  background:linear-gradient(180deg,#FBF8FF 0%,var(--bg) 100%);
  border-top:1px solid var(--line);
}
.cta-layout{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start;}
@media screen and (max-width:1023px){.cta-layout{grid-template-columns:1fr;gap:28px;}}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.cta-points li{display:flex;align-items:center;gap:12px;font-size:15px;color:var(--text);}
.cta-points i{
  width:28px;height:28px;border-radius:9px;background:#F2EAFF;color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;font-size:12px;flex:0 0 auto;
}
.form-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px 32px;box-shadow:var(--sh-1);overflow:hidden;
}
.form-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
@media screen and (max-width:639px){.form-grid{grid-template-columns:1fr;}}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:14px;color:var(--muted);font-weight:500;}
.field input,.field select{
  height:46px;border-radius:var(--r-sm);border:1px solid var(--line);background:var(--soft);
  padding:0 16px;font-size:15px;color:var(--text);outline:none;width:100%;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.field select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236B6480' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;padding-right:42px;
}
.field input:focus,.field select:focus{border-color:rgba(122,47,247,.55);background:#fff;box-shadow:0 0 0 3px rgba(122,47,247,.10);}
.field input::placeholder{color:#A39BB8;}
.check-row{display:flex;align-items:flex-start;gap:10px;margin-top:20px;}
.check-row input{
  width:18px;height:18px;flex:0 0 18px;margin-top:3px;border-radius:4px;border:1px solid var(--line);
  background:var(--soft);cursor:pointer;position:relative;appearance:none;-webkit-appearance:none;
}
.check-row input:checked{background:var(--grad);border-color:transparent;}
.check-row input:checked::after{
  content:"";position:absolute;left:5px;top:1px;width:5px;height:10px;
  border:2px solid #fff;border-top:0;border-left:0;transform:rotate(42deg);
}
.check-row label{font-size:13px;color:var(--muted);line-height:1.7;}
.form-card .btn{width:100%;margin-top:22px;}
.privacy-note{font-size:12.5px;color:var(--muted);margin-top:14px;line-height:1.7;}
.privacy-note a{font-size:12.5px;}
/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);border-top:1px solid rgba(255,255,255,.10);}
.footer-top{padding:64px 0 44px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
@media screen and (max-width:899px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;}}
@media screen and (max-width:560px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand strong{font-size:17px;color:#fff;font-weight:800;display:block;line-height:1.2;}
.footer-brand em{font-style:normal;font-size:12px;color:rgba(255,255,255,.55);}
.footer-brand-text{font-size:13.8px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px;}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px;font-size:13.5px;}
.footer-contact span{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.72);}
.footer-contact i{color:var(--accent);font-size:12px;}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:16px;font-weight:700;letter-spacing:.3px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:13.8px;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.6);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a{font-size:12.5px;color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:#fff;}
@media screen and (max-width:639px){
  .footer-top{padding:48px 0 32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --brand-1:#7A2FF7;
  --brand-2:#F0306E;
  --grad:linear-gradient(120deg,#7A2FF7,#F0306E);
  --accent:#00D6C2;
  --accent-2:#FF8A2B;
  --bg:#F7F4FB;
  --surface:#FFFFFF;
  --line:#ECE6F6;
  --dark:#17112B;
  --text:#1B1430;
  --muted:#6B6480;
  --radius-xl:24px;
  --radius-lg:18px;
  --radius-md:14px;
  --shadow-1:0 18px 40px -20px rgba(40,20,80,.28);
  --shadow-2:0 8px 20px -12px rgba(40,20,80,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
}
img{max-width:100%;display:block;border-radius:var(--radius-lg);}
a,a:visited{color:var(--brand-1);text-decoration:none;transition:color .18s var(--ease);}
a:hover,a:focus{color:var(--brand-2);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:800;letter-spacing:-.3px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:rgba(122,47,247,.18);}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media screen and (max-width:639px){
  .grid-container{padding-left:16px;padding-right:16px;}
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease),background .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(40,20,80,.35);}
.site-header::before{
  content:"";display:block;height:4px;background:var(--grad);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  min-height:68px;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:16px;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;box-shadow:var(--shadow-2);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:19px;font-weight:800;color:var(--text);letter-spacing:-.4px;}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.5px;}
.nav-links{display:flex;align-items:center;gap:28px;flex:1 1 auto;}
.nav-links a{
  position:relative;font-size:16px;color:var(--text);font-weight:600;padding:6px 0;
}
.nav-links a:hover{color:var(--brand-1);}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:999px;background:var(--grad);
}
.nav-links a.active{color:var(--brand-1);}
.header-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:230px;height:42px;padding:0 16px;
  background:#FAF8FE;border:1px solid var(--line);border-radius:999px;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.search-box i{color:var(--muted);font-size:13px;}
.search-box input{
  border:0;background:transparent;height:100%;width:100%;
  font-size:14px;color:var(--text);outline:none;
}
.search-box input::placeholder{color:#A79FBB;}
.search-box:focus-within{border-color:rgba(122,47,247,.55);background:#fff;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:700;border:1px solid transparent;
  cursor:pointer;transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-2);}
.btn-primary:hover,.btn-primary:focus{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand-1);}
.btn-ghost:hover,.btn-ghost:focus{background:#F6F1FE;border-color:rgba(122,47,247,.45);color:var(--brand-1);}
.btn-soft{background:#F6F1FE;color:var(--brand-1);border-color:transparent;}
.btn-soft:hover,.btn-soft:focus{background:#EFE6FE;color:var(--brand-1);}
.btn[disabled]{opacity:.6;cursor:not-allowed;}
.pulse-dot{
  width:6px;height:6px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 4px rgba(0,214,194,.18);
}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  align-items:center;justify-content:center;font-size:18px;cursor:pointer;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  border-radius:0 0 24px 24px;padding:20px 16px 24px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer nav{display:flex;flex-direction:column;gap:4px;margin-bottom:16px;}
.mobile-drawer nav a{
  padding:12px 14px;border-radius:14px;color:var(--text);font-weight:600;
}
.mobile-drawer nav a.active{background:#F6F1FE;color:var(--brand-1);}
.mobile-drawer .search-box{width:100%;margin-bottom:12px;}
.mobile-drawer .btn{width:100%;margin-bottom:10px;}

@media screen and (max-width:1023px){
  .nav-links{display:none;}
  .search-box{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-tools{margin-left:auto;}
  .header-tools .btn-ghost{display:none;}
}
@media screen and (max-width:639px){
  .header-inner{min-height:60px;gap:12px;}
  .brand-text em{display:none;}
  .header-tools .btn-primary{height:40px;padding:0 18px;font-size:14px;}
  .pulse-dot{display:none;}
}

/* ============ 页头 ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:64px 0 56px;
  background:var(--dark);
  color:#fff;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.28;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(120% 90% at 15% 0%,rgba(122,47,247,.55),transparent 55%),
             radial-gradient(90% 80% at 95% 100%,rgba(240,48,110,.45),transparent 60%);
}
.hero-inner{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.66);margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.8);}
.breadcrumb a:hover{color:#fff;}
.hero-title{
  font-size:38px;line-height:1.3;color:#fff;max-width:820px;
}
.hero-title span{
  background:linear-gradient(120deg,#00D6C2,#FF8A2B);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  margin-top:18px;max-width:720px;
  font-size:16px;line-height:1.85;color:rgba(255,255,255,.76);
}
.hero-note{
  margin-top:16px;font-size:13px;color:rgba(255,255,255,.6);
  display:flex;align-items:center;gap:8px;
}
.hero-note i{color:var(--accent);}
.filter-chips{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;
}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 18px;border-radius:999px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.86);font-size:14px;font-weight:600;
  cursor:pointer;transition:all .18s var(--ease);
}
.chip:hover{background:rgba(255,255,255,.18);color:#fff;}
.chip.active{background:var(--grad);border-color:transparent;color:#fff;box-shadow:var(--shadow-2);}
@media screen and (max-width:1023px){
  .page-hero{padding:52px 0 46px;}
  .hero-title{font-size:32px;}
}
@media screen and (max-width:639px){
  .page-hero{padding:40px 0 36px;}
  .hero-title{font-size:28px;line-height:1.4;}
  .hero-sub{font-size:15px;}
  .chip{height:36px;padding:0 14px;font-size:13px;}
}

/* ============ 板块 ============ */
.section{padding:96px 0 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:32px;
}
.section-title{font-size:28px;line-height:1.4;}
.section-title::before{
  content:"";display:block;width:44px;height:4px;border-radius:999px;background:var(--grad);margin-bottom:16px;
}
.section-desc{margin-top:12px;max-width:720px;font-size:15px;color:var(--muted);}
.link-more{
  font-size:15px;font-weight:700;white-space:nowrap;display:inline-flex;align-items:center;gap:6px;
}
.link-more:hover{gap:10px;}
@media screen and (max-width:1023px){
  .section{padding:72px 0 0;}
}
@media screen and (max-width:639px){
  .section{padding:56px 0 0;}
  .section-title{font-size:23px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
}

/* ============ 入口瀑布卡 ============ */
.waterfall{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;padding-bottom:36px;
}
.entry-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-2);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.entry-card:nth-child(even){margin-top:32px;}
.entry-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-1);
  border-color:rgba(122,47,247,.28);
}
.card-cover{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#EFE9FA;
}
.card-cover img{
  width:100%;height:100%;object-fit:cover;border-radius:0;
  transition:transform .35s var(--ease);
}
.entry-card:hover .card-cover img{transform:scale(1.04);}
.card-cover::after{
  content:"";position:absolute;inset:auto 0 0 0;height:46%;
  background:linear-gradient(180deg,rgba(23,17,43,0),rgba(23,17,43,.55));
}
.card-badge{
  position:absolute;left:16px;top:16px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--brand-1);
  font-size:12px;font-weight:700;letter-spacing:.3px;
  box-shadow:var(--shadow-2);
}
.card-badge i{font-size:11px;color:var(--accent);}
.card-body{padding:24px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-title{font-size:20px;line-height:1.5;margin-bottom:10px;}
.card-desc{
  font-size:15px;line-height:1.85;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  margin-top:18px;font-size:13px;color:var(--muted);
}
.card-meta span{display:inline-flex;align-items:center;gap:6px;}
.card-meta i{color:var(--brand-1);font-size:12px;}
.card-link{
  margin-top:20px;padding-top:18px;border-top:1px solid var(--line);
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;
}
.card-link i{transition:transform .18s var(--ease);}
.entry-card:hover .card-link i{transform:translateX(4px);}
@media screen and (max-width:1023px){
  .entry-card:nth-child(even){margin-top:0;}
}
@media screen and (max-width:860px){
  .waterfall{grid-template-columns:1fr;}
  .card-body{padding:20px;}
}

/* ============ 数据条 ============ */
.stat-strip{
  margin-top:72px;border-radius:var(--radius-xl);
  background:var(--dark);color:#fff;padding:40px 32px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  position:relative;overflow:hidden;
}
.stat-strip::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad);
}
.stat-item{border-left:1px solid rgba(255,255,255,.12);padding-left:24px;}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-num{
  font-size:44px;font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,#00D6C2,#FF8A2B);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-num small{font-size:15px;font-weight:700;margin-left:4px;color:rgba(255,255,255,.7);-webkit-text-fill-color:rgba(255,255,255,.7);}
.stat-label{margin-top:8px;font-size:13px;color:rgba(255,255,255,.72);}
@media screen and (max-width:860px){
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:28px 20px;padding:32px 24px;}
  .stat-item:nth-child(3){border-left:0;padding-left:0;}
  .stat-num{font-size:36px;}
}
@media screen and (max-width:639px){
  .stat-strip{margin-top:56px;}
}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-2);
  overflow:hidden;transition:border-color .18s var(--ease);
}
.faq-item.open{border-color:rgba(122,47,247,.3);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:700;color:var(--text);
}
.faq-q:hover{color:var(--brand-1);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#F6F1FE;color:var(--brand-1);font-size:13px;
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--grad);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .28s var(--ease);
}
.faq-a p{
  padding:0 24px 24px;font-size:15px;line-height:1.85;color:var(--muted);max-width:820px;
}
@media screen and (max-width:639px){
  .faq-q{padding:18px;font-size:16px;}
  .faq-a p{padding:0 18px 20px;}
}

/* ============ CTA + 表单 ============ */
.cta-section{
  margin-top:96px;background:var(--dark);color:#fff;
  border-radius:var(--radius-xl) var(--radius-xl) 0 0;
  padding:64px 0 56px;position:relative;overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(90% 80% at 0% 0%,rgba(122,47,247,.5),transparent 55%),
             radial-gradient(80% 70% at 100% 100%,rgba(240,48,110,.38),transparent 60%);
}
.cta-inner{position:relative;z-index:2;}
.cta-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start;}
.cta-title{font-size:28px;color:#fff;line-height:1.4;}
.cta-title::before{
  content:"";display:block;width:44px;height:4px;border-radius:999px;background:var(--grad);margin-bottom:16px;
}
.cta-desc{margin-top:14px;font-size:15px;color:rgba(255,255,255,.74);max-width:520px;}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:16px;}
.cta-points li{display:flex;align-items:flex-start;gap:12px;font-size:15px;color:rgba(255,255,255,.86);}
.cta-points i{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  background:rgba(0,214,194,.16);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:12px;margin-top:2px;
}
.form-card{
  background:#fff;border-radius:var(--radius-xl);padding:32px;
  box-shadow:var(--shadow-1);position:relative;overflow:hidden;
}
.form-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad);
}
.form-title{font-size:20px;margin-bottom:6px;}
.form-sub{font-size:13px;color:var(--muted);margin-bottom:22px;}
.form-row{margin-bottom:16px;}
.form-row label{
  display:block;font-size:14px;color:var(--muted);margin-bottom:8px;font-weight:600;
}
.form-row input,.form-row select{
  width:100%;height:46px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--radius-md);
  background:#FAF8FE;color:var(--text);font-size:15px;
  outline:none;transition:border-color .18s var(--ease),background .18s var(--ease);
}
.form-row input:focus,.form-row select:focus{
  border-color:rgba(122,47,247,.6);background:#fff;
}
.form-row input::placeholder{color:#A79FBB;}
.checkbox-row{
  display:flex;align-items:flex-start;gap:10px;
  font-size:13px;color:var(--muted);line-height:1.7;margin:6px 0 20px;
}
.checkbox-row input{
  appearance:none;-webkit-appearance:none;
  width:18px;height:18px;margin-top:3px;flex:0 0 auto;
  border:1px solid var(--line);border-radius:4px;background:#FAF8FE;cursor:pointer;
  transition:all .18s var(--ease);
}
.checkbox-row input:checked{background:var(--grad);border-color:transparent;}
.form-card .btn{width:100%;}
.privacy-note{
  margin-top:14px;font-size:12px;color:var(--muted);line-height:1.7;
}
.cta-privacy{
  margin-top:36px;font-size:13px;color:rgba(255,255,255,.6);position:relative;z-index:2;
}
@media screen and (max-width:1023px){
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .cta-section{margin-top:72px;padding:48px 0 44px;}
}
@media screen and (max-width:639px){
  .cta-section{margin-top:56px;padding:40px 0 36px;border-radius:20px 20px 0 0;}
  .cta-title{font-size:23px;}
  .form-card{padding:22px;}
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);color:rgba(255,255,255,.72);
  margin-top:0;border-top:1px solid rgba(255,255,255,.10);
}
.footer-top{padding:64px 0 40px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:38px;height:38px;border-radius:14px;}
.footer-brand span:last-child{display:flex;flex-direction:column;line-height:1.2;}
.footer-brand strong{color:#fff;font-size:18px;font-weight:800;}
.footer-brand em{font-style:normal;font-size:12px;color:rgba(255,255,255,.6);letter-spacing:.5px;}
.footer-brand-text{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px;font-size:13px;color:rgba(255,255,255,.66);}
.footer-contact i{color:var(--accent);margin-right:8px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.6);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom .links a{color:rgba(255,255,255,.66);font-size:12px;}
.footer-bottom .links a:hover{color:#fff;}
@media screen and (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:639px){
  .footer-top{padding:48px 0 28px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
}

/* roulang page: article */
:root{
  --brand-1:#7A2FF7;
  --brand-2:#F0306E;
  --brand-grad:linear-gradient(120deg,#7A2FF7 0%,#F0306E 100%);
  --accent:#00D6C2;
  --accent-2:#FF8A2B;
  --bg:#F7F4FB;
  --surface:#FFFFFF;
  --line:#ECE6F6;
  --dark:#17112B;
  --text:#1B1430;
  --muted:#6B6480;
  --soft:#FAF8FE;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow-1:0 18px 40px -20px rgba(40,20,80,.28);
  --shadow-2:0 8px 20px -12px rgba(40,20,80,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--brand-1);text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease)}
a:visited{color:var(--brand-1)}
a:hover{color:var(--brand-2)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:-.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.grid-container{max-width:var(--container);width:100%;margin:0 auto;padding-left:24px;padding-right:24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ========== 按钮 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),filter .2s var(--ease);
}
.btn-primary{background:var(--brand-grad);color:#fff !important;box-shadow:0 12px 26px -14px rgba(122,47,247,.85)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);color:#fff !important;box-shadow:0 18px 34px -16px rgba(122,47,247,.9)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand-1) !important}
.btn-ghost:hover{background:var(--soft);border-color:rgba(122,47,247,.45);color:var(--brand-1) !important}
.btn-block{width:100%}
.btn .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(0,214,194,.28);flex-shrink:0}
.text-link{font-size:14px;font-weight:600}

/* ========== 标签 / 徽章 ========== */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  background:#F3F0FE;border:1px solid rgba(122,47,247,.14);
  color:var(--brand-1);font-size:13px;font-weight:600;line-height:1;white-space:nowrap;
}
.badge-cyan{background:rgba(0,214,194,.12);border-color:rgba(0,214,194,.3);color:#068C81}
.badge-orange{background:rgba(255,138,43,.12);border-color:rgba(255,138,43,.3);color:#C46112}

/* ========== 顶部导航 ========== */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.93);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.scrolled{box-shadow:0 8px 24px -16px rgba(40,20,80,.35)}
.header-inner{max-width:var(--container);margin:0 auto;padding:0 24px;height:72px;display:flex;align-items:center;gap:26px}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:16px;background:var(--brand-grad);color:#fff !important;
  display:grid;place-items:center;font-size:17px;box-shadow:0 10px 20px -12px rgba(122,47,247,.95);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:800;color:var(--text);letter-spacing:-.2px}
.brand-text em{font-size:12px;font-style:normal;color:var(--muted);letter-spacing:.6px}
.nav-links{display:flex;align-items:center;gap:28px;flex:1;margin-left:8px}
.nav-links a{
  position:relative;font-size:15.5px;font-weight:500;color:var(--text) !important;
  padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:-6px;width:24px;height:3px;border-radius:999px;
  background:var(--brand-grad);transform:translateX(-50%) scaleX(0);transition:transform .2s var(--ease);
}
.nav-links a:hover{color:var(--brand-1) !important}
.nav-links a:hover::after{transform:translateX(-50%) scaleX(1)}
.nav-links a.active{color:var(--brand-1) !important;font-weight:700}
.nav-links a.active::after{transform:translateX(-50%) scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;height:42px;padding:0 16px;border-radius:999px;
  background:#F5F1FC;border:1px solid transparent;transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.search-box i{font-size:13px;color:var(--muted)}
.search-box input{width:170px;border:0;background:transparent;outline:none;font-size:14px}
.search-box input::placeholder{color:#A79FBD}
.search-box:focus-within{background:#fff;border-color:rgba(122,47,247,.45)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--text);cursor:pointer}
.nav-toggle:hover{border-color:rgba(122,47,247,.4);color:var(--brand-1)}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;border-radius:0 0 var(--radius-lg) var(--radius-lg);padding:12px 24px 26px}
.mobile-drawer.open{display:block}
.mobile-drawer .d-link{display:block;padding:14px 4px;font-size:16px;font-weight:600;color:var(--text) !important;border-bottom:1px solid var(--line)}
.mobile-drawer .d-link.active{color:var(--brand-1) !important}
.mobile-drawer .search-box{display:flex;width:100%;margin:18px 0 14px}
.mobile-drawer .search-box input{width:100%}
.mobile-drawer .btn{width:100%;margin-bottom:10px}

/* ========== 面包屑 ========== */
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:9px;font-size:13px;color:var(--muted);padding:26px 0 0}
.breadcrumb a{color:var(--muted) !important}
.breadcrumb a:hover{color:var(--brand-1) !important}
.breadcrumb .sep{color:#C9C2DC}
.breadcrumb .current{color:var(--brand-1);font-weight:600;max-width:440px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ========== 文章头部 ========== */
.article-head{padding:26px 0 34px;border-bottom:1px solid var(--line)}
.article-title{font-size:36px;font-weight:800;letter-spacing:-.6px;line-height:1.35;margin:18px 0 0;max-width:880px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;font-size:13px;color:var(--muted)}
.article-meta i{color:#A79FBD;margin-right:5px}
.article-meta .divider{color:#C9C2DC}

/* ========== 布局 ========== */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;margin-top:40px;align-items:start}
.article-main{min-width:0}
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}

/* ========== 正文排版 ========== */
.article-body{font-size:17px;line-height:1.9;color:var(--text);overflow-wrap:break-word}
.article-body > *:first-child{margin-top:0}
.article-body h2{font-size:24px;font-weight:700;margin:42px 0 16px;padding-left:14px;position:relative;line-height:1.45}
.article-body h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:999px;background:var(--brand-grad)}
.article-body h3{font-size:20px;font-weight:700;margin:28px 0 12px}
.article-body h4{font-size:17px;font-weight:700;margin:22px 0 10px}
.article-body p{margin:0 0 1em;max-width:760px}
.article-body a{color:var(--brand-1);border-bottom:1px solid rgba(122,47,247,.3)}
.article-body a:hover{color:var(--brand-2);border-bottom-color:rgba(240,48,110,.45)}
.article-body strong{font-weight:700}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;border-left:3px solid var(--accent);
  background:#F3F0FE;border-radius:16px;color:var(--muted);
}
.article-body blockquote p{margin:0;max-width:none}
.article-body ul{list-style:disc outside;padding-left:1.5em;line-height:1.9;margin:0 0 1.1em;max-width:760px}
.article-body ol{list-style:decimal outside;padding-left:1.6em;line-height:1.9;margin:0 0 1.1em;max-width:760px}
.article-body li{margin-bottom:8px}
.article-body li::marker{color:var(--brand-1)}
.article-body img{border-radius:18px;margin:26px auto;box-shadow:var(--shadow-2)}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{width:100%;display:block;overflow-x:auto;font-size:15px;margin:22px 0;border-radius:14px}
.article-body th{background:#F3F0FE;color:var(--text);text-align:left;padding:12px 14px;font-weight:700;white-space:nowrap}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.article-body code{background:#F3F0FE;border-radius:6px;padding:2px 6px;font-size:14px;color:var(--brand-1)}

/* ========== 侧栏 ========== */
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-2);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.side-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);border-color:rgba(122,47,247,.22)}
.side-card h3{font-size:16px;font-weight:700;display:flex;align-items:center;gap:9px;margin-bottom:14px}
.side-card h3 i{color:var(--brand-1);font-size:15px}
.side-list li{display:flex;gap:10px;font-size:14px;color:var(--muted);padding:10px 0;border-bottom:1px dashed var(--line);line-height:1.7}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list li i{color:var(--accent);font-size:7px;margin-top:9px;flex-shrink:0}
.side-card-dark{background:var(--dark);border-color:transparent;color:#fff}
.side-card-dark h3{color:#fff}
.side-card-dark h3 i{color:var(--accent)}
.side-card-dark p{color:rgba(255,255,255,.74);font-size:14px;margin-bottom:18px}
.side-card-dark .btn{width:100%}
.side-links li{border-bottom:1px solid var(--line)}
.side-links li:last-child{border-bottom:0}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;font-size:14.5px;color:var(--text) !important;font-weight:500}
.side-links a:hover{color:var(--brand-1) !important}
.side-links a i{font-size:11px;color:#C9C2DC}
.side-links a:hover i{color:var(--brand-1)}

/* ========== 文章结尾标签 ========== */
.article-foot{margin-top:44px;padding-top:26px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag-row .badge{background:#fff;border-color:var(--line);color:var(--muted)}
.tag-row .badge:hover{border-color:rgba(122,47,247,.4);color:var(--brand-1)}
.back-link{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:8px;color:var(--brand-1) !important}
.back-link:hover{color:var(--brand-2) !important}

/* ========== 空状态 ========== */
.empty-article{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius-lg);
  padding:64px 24px;text-align:center;box-shadow:var(--shadow-2);
}
.empty-article i{font-size:38px;color:#C9C2DC}
.empty-article p{margin:18px 0 22px;font-size:17px;color:var(--muted)}

/* ========== 相关阅读 ========== */
.related-section{padding:76px 0 84px}
.section-title{font-size:28px;font-weight:700;letter-spacing:-.4px}
.section-title::after{content:"";display:block;width:48px;height:4px;border-radius:999px;background:var(--brand-grad);margin-top:14px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:34px}
.rel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-2);color:var(--text) !important;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-1);border-color:rgba(122,47,247,.25);color:var(--text) !important}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:#EFE9FA}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.rel-body h3{font-size:17px;font-weight:700;line-height:1.55}
.rel-card:hover .rel-body h3{color:var(--brand-1)}
.rel-time{font-size:13px;color:var(--muted);margin-top:auto}

/* ========== CTA ========== */
.cta-section{position:relative;background:var(--dark);color:#fff;padding:96px 0;overflow:hidden}
.cta-section::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(700px 320px at 12% 0%,rgba(122,47,247,.45),transparent 65%),
             radial-gradient(620px 300px at 92% 100%,rgba(240,48,110,.32),transparent 68%);
}
.cta-grid{position:relative;display:grid;grid-template-columns:1fr 1.1fr;gap:52px;align-items:start}
.cta-copy h2{font-size:30px;font-weight:800;letter-spacing:-.4px;color:#fff;line-height:1.4}
.cta-copy .lead{color:rgba(255,255,255,.72);font-size:16px;margin-top:16px;max-width:460px}
.cta-points{margin-top:28px;display:flex;flex-direction:column;gap:14px}
.cta-points li{display:flex;align-items:center;gap:12px;font-size:15px;color:rgba(255,255,255,.86)}
.cta-points li span.ico{
  width:34px;height:34px;border-radius:12px;flex-shrink:0;display:grid;place-items:center;
  background:rgba(255,255,255,.10);color:var(--accent);font-size:14px;
}
.cta-card{
  position:relative;background:#fff;border-radius:var(--radius-lg);padding:30px 28px 26px;
  box-shadow:0 30px 60px -30px rgba(0,0,0,.6);overflow:hidden;
}
.cta-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--brand-grad)}
.cta-card h3{font-size:19px;font-weight:700;color:var(--text);margin-bottom:6px}
.cta-card .sub{font-size:13px;color:var(--muted);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;color:var(--muted);margin-bottom:8px}
.field input,.field select{
  width:100%;height:46px;padding:0 16px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:var(--soft);outline:none;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.field input:focus,.field select:focus{border-color:var(--brand-1);background:#fff}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B6480' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);margin:4px 0 20px;line-height:1.7}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:#7A2FF7;flex-shrink:0}
.privacy-note{font-size:12.5px;color:var(--muted);margin-top:16px;line-height:1.7}
.privacy-note a{color:var(--muted);border-bottom:1px solid var(--line)}
.privacy-note a:hover{color:var(--brand-1)}

/* ========== 页脚 ========== */
.site-footer{background:var(--dark);color:#fff;border-top:1px solid rgba(255,255,255,.10)}
.footer-top{padding:72px 0 48px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand strong{display:block;font-size:17px;font-weight:800;color:#fff;line-height:1.2}
.footer-brand em{display:block;font-size:12px;font-style:normal;color:rgba(255,255,255,.6);letter-spacing:.6px}
.footer-brand-text{color:rgba(255,255,255,.7);font-size:14px;margin-top:18px;max-width:360px;line-height:1.85}
.footer-contact{margin-top:20px;display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:rgba(255,255,255,.7)}
.footer-contact i{color:var(--accent);margin-right:8px;font-size:13px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7) !important}
.footer-col a:hover{color:var(--accent) !important}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.6);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom .links a{color:rgba(255,255,255,.6) !important}
.footer-bottom .links a:hover{color:var(--accent) !important}

/* ========== 响应式 ========== */
@media (max-width:1099px){
  .search-box{display:none}
}
@media (max-width:1023px){
  .grid-container{padding-left:20px;padding-right:20px}
  .header-inner{height:64px;gap:16px;padding:0 20px}
  .nav-links{display:none}
  .nav-toggle{display:inline-grid;place-items:center}
  .header-actions .btn-ghost{display:none}
  .article-title{font-size:30px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;margin-top:32px}
  .article-side{position:static}
  .related-grid{grid-template-columns:1fr 1fr}
  .related-section{padding:60px 0 64px}
  .cta-section{padding:72px 0}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .footer-top{padding:56px 0 40px}
}
@media (max-width:767px){
  .article-body{font-size:16.5px}
  .article-body h2{font-size:21px;margin-top:34px}
  .article-body h3{font-size:18px;margin-top:24px}
}
@media (max-width:639px){
  .grid-container{padding-left:16px;padding-right:16px}
  .header-inner{padding:0 16px}
  .brand-text em{display:none}
  .mobile-drawer{padding:10px 16px 22px}
  .breadcrumb{padding-top:20px}
  .breadcrumb .current{max-width:200px}
  .article-title{font-size:26px;letter-spacing:-.3px}
  .article-head{padding:22px 0 26px}
  .article-meta{font-size:12.5px;gap:8px}
  .article-body table{font-size:14px}
  .related-grid{grid-template-columns:1fr}
  .cta-copy h2{font-size:24px}
  .cta-card{padding:26px 20px 22px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .article-side{gap:16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --brand-1:#7A2FF7;
  --brand-2:#F0306E;
  --accent:#00D6C2;
  --accent-2:#FF8A2B;
  --bg:#F7F4FB;
  --surface:#FFFFFF;
  --line:#ECE6F6;
  --dark:#17112B;
  --text:#1B1430;
  --muted:#6B6480;
  --grad:linear-gradient(120deg,#7A2FF7,#F0306E);
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow-1:0 18px 40px -20px rgba(40,20,80,.28);
  --shadow-2:0 8px 20px -12px rgba(40,20,80,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::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",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
a{color:var(--brand-1);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--brand-2);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),filter .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px -14px rgba(122,47,247,.65);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand-1);}
.btn-ghost:hover{border-color:var(--brand-1);background:#F8F4FF;color:var(--brand-1);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.93);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header::before{content:"";display:block;height:4px;background:var(--grad);}
.header-inner{position:relative;display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-size:16px;
  box-shadow:var(--shadow-2);
}
.brand-text strong{display:block;font-size:17px;font-weight:800;line-height:1.15;letter-spacing:-.3px;color:var(--text);}
.brand-text em{display:block;font-style:normal;font-size:12px;color:var(--muted);line-height:1.4;}
.brand:hover .brand-text strong{color:var(--brand-1);}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-links a{position:relative;font-size:16px;color:var(--text);padding:6px 0;}
.nav-links a:hover{color:var(--brand-1);}
.nav-links a.active{color:var(--brand-1);font-weight:700;}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;bottom:-14px;transform:translateX(-50%);
  width:24px;height:3px;border-radius:999px;background:var(--grad);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:42px;width:240px;
  padding:0 16px;border-radius:999px;background:#F3EEFC;border:1px solid transparent;
  transition:border-color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box i{color:var(--muted);font-size:14px;}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:14px;}
.search-box:focus-within{background:#fff;border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(122,47,247,.12);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--brand-1);font-size:17px;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--brand-1);}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:64px 0 56px;
  background:linear-gradient(180deg,#FBF9FF 0%,#F7F4FB 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(122,47,247,.16),rgba(122,47,247,0) 68%);
}
.hero-row{position:relative;z-index:2;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--brand-1);
  font-size:13px;font-weight:600;box-shadow:var(--shadow-2);
}
.hero-copy h1{
  margin-top:20px;font-size:36px;line-height:1.28;font-weight:800;letter-spacing:-.5px;
}
.hero-copy h1 span{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:16px;max-width:640px;font-size:17px;color:var(--muted);line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-note{margin-top:18px;font-size:13px;color:var(--muted);}
.hero-note i{color:var(--accent);margin-right:6px;}
.hero-visual-cell{margin-top:8px;}
.hero-visual{position:relative;border-radius:22px;padding:3px;background:var(--grad);box-shadow:var(--shadow-1);}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:19px;}
.hero-badge{
  position:absolute;display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:999px;background:#fff;
  font-size:12px;font-weight:600;color:var(--text);box-shadow:var(--shadow-2);
}
.hero-badge strong{font-size:18px;font-weight:800;color:var(--brand-1);font-variant-numeric:tabular-nums;}
.badge-cyan{top:-14px;right:24px;border:2px solid var(--accent);}
.badge-orange{bottom:-14px;left:24px;border:2px solid var(--accent-2);}

/* ---------- 快捷筛选条 ---------- */
.chip-bar{background:#fff;border-bottom:1px solid var(--line);padding:14px 0;}
.chips{display:flex;gap:10px;overflow-x:auto;padding-bottom:2px;}
.chip{
  flex:0 0 auto;padding:8px 16px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:14px;color:var(--muted);
  transition:all .2s var(--ease);
}
.chip:hover{border-color:var(--brand-1);color:var(--brand-1);}
.chip.is-active{
  background:linear-gradient(120deg,rgba(122,47,247,.12),rgba(240,48,110,.12));
  color:var(--brand-1);border-color:rgba(122,47,247,.35);font-weight:700;
}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:28px;font-weight:700;letter-spacing:-.3px;line-height:1.35;}
.section-head h2::before{
  content:"";display:block;width:44px;height:4px;border-radius:999px;background:var(--grad);margin-bottom:18px;
}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px;}

/* ---------- 深色数据条 ---------- */
.stat-band{background:var(--dark);padding:64px 0;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat-item{padding:0 24px;border-left:1px solid rgba(255,255,255,.12);}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-num{
  font-size:52px;font-weight:800;line-height:1;
  background:linear-gradient(120deg,#C29BFF,#FF7BA8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.stat-num i{
  font-style:normal;font-size:15px;margin-left:6px;font-weight:600;
  color:rgba(255,255,255,.72);
  -webkit-text-fill-color:rgba(255,255,255,.72);
}
.stat-item p{margin-top:12px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.6;}

/* ---------- 主体：左筛选 + 右列表 ---------- */
.service-layout{align-items:flex-start;}
.filter-toggle{display:none;}
.filter-card{
  position:sticky;top:104px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-2);
}
.filter-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line);}
.filter-head h3{font-size:17px;font-weight:700;}
.filter-count{font-size:12.5px;color:var(--muted);background:#F3EEFC;border-radius:999px;padding:4px 10px;}
.filter-group{padding:20px 0;border-bottom:1px solid var(--line);}
.filter-group h4{font-size:14px;font-weight:700;color:var(--muted);letter-spacing:.4px;margin-bottom:12px;}
.check-item{
  display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--text);
  padding:8px 0;cursor:pointer;
}
.check-item input{width:18px;height:18px;accent-color:var(--brand-1);flex:0 0 18px;}
.check-item:hover{color:var(--brand-1);}
.filter-card .btn-block{margin-top:20px;}

.svc-item{
  display:flex;gap:20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-2);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  margin-bottom:20px;
}
.svc-item:last-child{margin-bottom:0;}
.svc-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-1);border-color:rgba(122,47,247,.3);}
.svc-thumb{flex:0 0 200px;width:200px;}
.svc-thumb img{width:200px;height:130px;object-fit:cover;border-radius:var(--radius-sm);}
.svc-body{flex:1 1 auto;min-width:0;}
.svc-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;}
.svc-top h3{font-size:19px;font-weight:700;line-height:1.5;}
.svc-time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;flex:0 0 auto;}
.svc-body > p{margin-top:8px;font-size:15px;color:var(--muted);line-height:1.8;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:500;
  background:#F3EEFC;color:var(--brand-1);border:1px solid rgba(122,47,247,.14);
}
.svc-body .btn{margin-top:16px;}

/* ---------- 信息行 ---------- */
.info-col{margin-bottom:20px;}
.info-row{
  display:flex;gap:16px;height:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow-2);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.info-row:hover{transform:translateY(-4px);box-shadow:var(--shadow-1);border-color:rgba(122,47,247,.3);}
.info-icon{
  flex:0 0 44px;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:#F3EEFC;color:var(--brand-1);font-size:18px;
}
.info-row h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.info-row p{font-size:14.5px;color:var(--muted);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-2);overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{border-color:rgba(122,47,247,.3);box-shadow:var(--shadow-1);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:700;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-1);}
.faq-icon{
  flex:0 0 24px;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;
  background:#F3EEFC;color:var(--brand-1);font-size:11px;
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--grad);color:#fff;}
.faq-answer{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted);}

/* ---------- CTA 与表单 ---------- */
.cta-section{background:linear-gradient(180deg,#FBF9FF,#F7F4FB);}
.cta-copy h2{font-size:28px;font-weight:700;letter-spacing:-.3px;}
.cta-copy > p{margin-top:14px;color:var(--muted);font-size:15.5px;max-width:420px;}
.point-list{margin-top:24px;display:grid;gap:12px;}
.point-list li{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--text);}
.point-list i{color:var(--accent);font-size:16px;}
.form-card{
  position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-1);
}
.form-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;color:var(--muted);margin-bottom:8px;}
.field input,.field select{
  width:100%;height:46px;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:#FAF8FE;padding:0 16px;font-size:15px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#7A2FF7 50%),linear-gradient(135deg,#7A2FF7 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input:focus,.field select:focus{border-color:var(--brand-1);background:#fff;box-shadow:0 0 0 3px rgba(122,47,247,.12);}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.6;margin:6px 0 20px;}
.check-row input{width:18px;height:18px;flex:0 0 18px;margin-top:2px;accent-color:var(--brand-1);}
.check-row a{color:var(--brand-1);text-decoration:underline;}
.form-tip{margin-top:14px;font-size:13px;color:var(--accent);display:none;}
.form-tip.show{display:block;}
.privacy-note{font-size:12.5px;color:var(--muted);line-height:1.7;}
.cta-privacy{margin-top:32px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding-top:64px;border-top:1px solid rgba(255,255,255,.10);}
.footer-top{padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.10);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:12px;background:var(--grad);display:grid;place-items:center;color:#fff;font-size:16px;}
.footer-brand strong{display:block;color:#fff;font-size:17px;font-weight:800;line-height:1.2;}
.footer-brand em{display:block;font-style:normal;font-size:12px;color:rgba(255,255,255,.6);}
.footer-brand-text{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:340px;}
.footer-contact{margin-top:18px;display:grid;gap:8px;font-size:13.5px;color:rgba(255,255,255,.66);}
.footer-contact i{color:var(--accent);margin-right:8px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0;font-size:12.5px;color:rgba(255,255,255,.6);
}
.footer-bottom .links{display:flex;gap:18px;}
.footer-bottom .links a{color:rgba(255,255,255,.6);}
.footer-bottom .links a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .section{padding:72px 0;}
  .header-inner{height:64px;gap:16px;}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;
    gap:0;margin-left:0;padding:8px 24px 20px;background:#fff;
    border-radius:0 0 var(--radius-lg) var(--radius-lg);
    box-shadow:0 24px 40px -24px rgba(40,20,80,.4);
    border:1px solid var(--line);border-top:0;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:14px 0;border-bottom:1px solid var(--line);font-size:16px;}
  .nav-links a.active::after{display:none;}
  .nav-toggle{display:inline-flex;}
  .search-box,.login-btn{display:none;}
  .hero-copy h1{font-size:30px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .stat-item:nth-child(3){border-left:0;padding-left:0;}
  .stat-item{padding-left:24px;}
  .stat-item:nth-child(odd){padding-left:0;border-left:0;}
  .filter-toggle{display:inline-flex;margin-bottom:16px;}
  .filter-card{
    position:fixed;left:0;right:0;bottom:0;top:auto;z-index:80;
    max-height:78vh;overflow:auto;border-radius:var(--radius-lg) var(--radius-lg) 0 0;
    transform:translateY(105%);transition:transform .28s var(--ease);
  }
  .filter-col.open .filter-card{transform:translateY(0);}
  .filter-col.open::after{
    content:"";position:fixed;inset:0;background:rgba(23,17,43,.55);z-index:70;
  }
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:639px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .page-hero{padding:44px 0 40px;}
  .hero-copy h1{font-size:26px;line-height:1.34;}
  .hero-lead{font-size:15.5px;}
  .hero-visual-cell{margin-top:24px;}
  .badge-cyan{top:8px;right:8px;}
  .badge-orange{bottom:8px;left:8px;}
  .stat-num{font-size:42px;}
  .svc-item{flex-direction:column;gap:14px;padding:18px;}
  .svc-thumb,.svc-thumb img{width:100%;flex:none;}
  .svc-thumb img{height:180px;}
  .svc-top{flex-direction:column;gap:4px;}
  .faq-item summary{padding:18px;font-size:16px;}
  .faq-answer{padding:0 18px 20px;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-copy h2{font-size:24px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --brand-1:#7A2FF7;
  --brand-2:#F0306E;
  --accent:#00D6C2;
  --accent-2:#FF8A2B;
  --bg:#F7F4FB;
  --surface:#FFFFFF;
  --line:#ECE6F6;
  --dark:#17112B;
  --text:#1B1430;
  --muted:#6B6480;
  --grad:linear-gradient(120deg,#7A2FF7,#F0306E);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow-1:0 18px 40px -20px rgba(40,20,80,.28);
  --shadow-2:0 8px 20px -12px rgba(40,20,80,.20);
  --t:200ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand-1);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand-2);}
a:visited{color:var(--brand-1);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.grid-container{max-width:1200px;margin:0 auto;padding:0 24px;}
@media (max-width:639px){.grid-container{padding:0 16px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.scrolled{box-shadow:0 8px 24px -16px rgba(40,20,80,.35);}
.nav-wrap{height:72px;display:flex;align-items:center;gap:20px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:16px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:17px;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:18px;font-weight:800;color:var(--text);letter-spacing:-.3px;}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.4px;}
.nav-links{display:flex;align-items:center;gap:28px;margin:0 auto;}
.nav-links a{position:relative;font-size:16px;color:var(--text);font-weight:500;padding:6px 0;}
.nav-links a:hover{color:var(--brand-1);}
.nav-links a.active{color:var(--brand-1);font-weight:700;}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:-2px;width:24px;height:3px;border-radius:999px;background:var(--grad);
}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;width:220px;height:40px;padding:0 16px;
  border-radius:999px;background:#F4EFFD;border:1px solid transparent;transition:all var(--t);
}
.nav-search:focus-within{border-color:var(--brand-1);background:#fff;}
.nav-search i{color:var(--muted);font-size:14px;}
.nav-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;}
.nav-search input::placeholder{color:#9E96B4;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform var(--t),filter var(--t),box-shadow var(--t),background var(--t),border-color var(--t),color var(--t);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-gradient{background:var(--grad);color:#fff;box-shadow:0 10px 24px -14px rgba(122,47,247,.75);}
.btn-gradient:hover,.btn-gradient:visited{color:#fff;}
.btn-gradient:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-gradient:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand-1);}
.btn-ghost:hover{border-color:var(--brand-1);background:#F8F4FF;color:var(--brand-1);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.4);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-block{width:100%;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--text);align-items:center;justify-content:center;font-size:17px;cursor:pointer;
}
.mobile-drawer{
  position:fixed;left:0;right:0;top:60px;z-index:55;
  background:#fff;border-radius:0 0 24px 24px;box-shadow:var(--shadow-1);
  padding:20px;display:flex;flex-direction:column;gap:14px;
  transform:translateY(-14px);opacity:0;visibility:hidden;transition:all var(--t);
}
.mobile-drawer.open{transform:translateY(0);opacity:1;visibility:visible;}
.mobile-drawer a{font-size:16px;color:var(--text);font-weight:500;padding:12px 4px;border-bottom:1px solid var(--line);}
.mobile-drawer a.active{color:var(--brand-1);font-weight:700;}
.mobile-drawer .drawer-search{
  display:flex;align-items:center;gap:8px;height:46px;padding:0 16px;
  border-radius:999px;background:#F4EFFD;
}
.mobile-drawer .drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;
  padding:72px 0 80px;
  background-image:linear-gradient(120deg,rgba(23,17,43,.90),rgba(122,47,247,.70)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  border-radius:0 0 36px 36px;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;
  background:radial-gradient(circle,rgba(0,214,194,.30),transparent 68%);
  pointer-events:none;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:20px;}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .sep{color:rgba(255,255,255,.42);}
.page-hero h1{
  font-size:38px;line-height:1.28;font-weight:800;letter-spacing:-.5px;max-width:860px;
}
.page-hero h1 .hl{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  margin-top:20px;max-width:720px;font-size:17px;line-height:1.9;color:rgba(255,255,255,.80);
}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:13px;font-weight:500;
}
.hero-badge i{color:var(--accent);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-tight{padding:0 0 96px;}
.section-head{max-width:740px;margin-bottom:40px;}
.section-label{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:#F4EFFD;color:var(--brand-1);font-size:13px;font-weight:600;margin-bottom:16px;
}
.section-head h2{font-size:28px;font-weight:700;letter-spacing:-.3px;}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.85;}

/* ---------- 步骤条 ---------- */
.steps-wrap{position:relative;}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:28px 24px;box-shadow:var(--shadow-2);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-1);border-color:rgba(122,47,247,.30);}
.step::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  border-radius:var(--r-lg) var(--r-lg) 0 0;background:var(--grad);opacity:.9;
}
.step-num{
  width:44px;height:44px;border-radius:14px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;
  font-variant-numeric:tabular-nums;margin-bottom:18px;
}
.step h3{font-size:19px;margin-bottom:10px;}
.step p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.step::after{
  content:"";position:absolute;top:50px;right:-24px;width:24px;height:2px;
  background:linear-gradient(90deg,rgba(122,47,247,.55),rgba(240,48,110,.15));
}
.step:last-child::after{display:none;}

.step-note{
  margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 22px;box-shadow:var(--shadow-2);
}
.step-note i{color:var(--brand-1);}
.step-note span{font-size:14.5px;color:var(--muted);}
.step-note strong{color:var(--text);font-weight:700;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start;}
.faq-col{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-2);overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
}
.faq-item:hover{border-color:rgba(122,47,247,.24);}
.faq-item[open]{border-color:rgba(122,47,247,.34);box-shadow:var(--shadow-1);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:17px;font-weight:700;color:var(--text);
  cursor:pointer;list-style:none;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q:hover{color:var(--brand-1);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:#F4EFFD;color:var(--brand-1);font-size:12px;
  transition:transform var(--t),background var(--t),color var(--t);
}
.faq-item[open] .faq-icon{background:var(--grad);color:#fff;transform:rotate(45deg);}
.faq-a{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--muted);}

/* ---------- 反馈表单 ---------- */
.support-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.support-copy h2{font-size:28px;letter-spacing:-.3px;}
.support-copy > p{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.85;max-width:520px;}
.help-points{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.help-points li{display:flex;align-items:flex-start;gap:12px;font-size:15px;color:var(--text);}
.help-points i{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:#E9FBF8;color:#0B9E8F;font-size:12px;margin-top:4px;
}
.form-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-1);overflow:hidden;
  scroll-margin-top:100px;
}
.form-card::before{content:"";display:block;height:4px;background:var(--grad);}
.form-inner{padding:30px 28px 28px;}
.form-inner h3{font-size:20px;margin-bottom:6px;}
.form-inner .form-tip{font-size:13px;color:var(--muted);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;color:var(--muted);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:46px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#FAF8FE;padding:0 16px;outline:none;color:var(--text);
  transition:border-color var(--t),background var(--t),box-shadow var(--t);
  appearance:none;
}
.field textarea{height:auto;min-height:96px;padding:12px 16px;resize:vertical;line-height:1.7;}
.field select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236B6480' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:18px;
  padding-right:44px;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand-1);background:#fff;box-shadow:0 0 0 3px rgba(122,47,247,.10);
}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.65;margin:4px 0 20px;}
.checkbox-row input[type="checkbox"]{
  width:18px;height:18px;margin-top:3px;flex:0 0 auto;accent-color:#7A2FF7;cursor:pointer;
}
.privacy-note{font-size:12.5px;color:var(--muted);line-height:1.7;margin-top:14px;}

/* ---------- 底部CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:28px;color:#fff;
  padding:52px 48px;
  background-image:linear-gradient(120deg,rgba(23,17,43,.94),rgba(122,47,247,.78)),url('/assets/images/coverpic/cover-6.webp');
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-1);
}
.cta-band::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad);}
.cta-band h2{font-size:26px;letter-spacing:-.3px;}
.cta-band p{margin-top:14px;max-width:620px;color:rgba(255,255,255,.78);font-size:15.5px;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;background:var(--dark);color:rgba(255,255,255,.72);
  border-top:1px solid rgba(255,255,255,.10);
}
.footer-top{padding:64px 0 40px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand strong{display:block;color:#fff;font-size:18px;font-weight:800;letter-spacing:-.3px;line-height:1.2;}
.footer-brand em{display:block;font-style:normal;font-size:12px;color:rgba(255,255,255,.6);line-height:1.4;}
.footer-brand-text{font-size:14px;line-height:1.85;max-width:340px;margin-bottom:18px;color:rgba(255,255,255,.68);}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:13px;color:rgba(255,255,255,.62);}
.footer-contact i{color:var(--accent);margin-right:8px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:20px 0;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;
  font-size:12.5px;color:rgba(255,255,255,.6);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .page-hero h1{font-size:34px;}
}
@media (max-width:1023px){
  .nav-links,.nav-search,.nav-tools .btn-ghost{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-wrap{height:60px;}
  .section{padding:72px 0;}
  .section-tight{padding:0 0 72px;}
  .page-hero{padding:56px 0 64px;}
  .page-hero h1{font-size:30px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step::after{display:none;}
  .faq-grid{grid-template-columns:1fr;}
  .support-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .site-footer{margin-top:72px;}
  .cta-band{padding:44px 32px;}
}
@media (max-width:639px){
  .grid-container{padding:0 16px;}
  .section{padding:56px 0;}
  .section-tight{padding:0 0 56px;}
  .page-hero{padding:44px 0 52px;border-radius:0 0 24px 24px;}
  .page-hero h1{font-size:26px;line-height:1.34;}
  .hero-sub{font-size:15.5px;}
  .hero-badges{gap:10px;}
  .hero-badge{padding:7px 13px;font-size:12.5px;}
  .section-head h2,.support-copy h2{font-size:22px;}
  .cta-band h2{font-size:21px;}
  .steps{grid-template-columns:1fr;gap:16px;}
  .step{padding:24px 20px;}
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a{padding:0 18px 18px;font-size:14.5px;}
  .form-inner{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-top{padding:48px 0 32px;}
  .cta-band{padding:36px 22px;border-radius:22px;}
  .cta-actions .btn{width:100%;}
  .site-footer{margin-top:56px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}