/* roulang page: index */
:root{
  --primary:#6C4DF6;
  --primary-dark:#5636D8;
  --cyan:#2EE6C5;
  --coral:#FF7A59;
  --ink:#121018;
  --muted:#6F6A7D;
  --soft:#F8F6FF;
  --line:#E6E1F2;
  --success:#18B87A;
  --warn:#F2A93B;
  --r-card:18px;
  --r-sm:12px;
  --shadow:0 8px 30px rgba(18,16,24,.08);
  --shadow-hover:0 14px 40px rgba(18,16,24,.14);
  --container:1240px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:#ffffff;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:16px;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
.num{font-family:"SF Mono",ui-monospace,Menlo,Consolas,"Courier New",monospace;font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.bg-soft{background:var(--soft);}
.bg-ink{background:var(--ink);color:#fff;}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:28px;
  padding-top:16px;
  padding-bottom:12px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:15px;letter-spacing:.5px;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:17px;font-weight:800;letter-spacing:.2px;}
.logo-text span{font-size:12px;color:var(--muted);letter-spacing:2px;}
.search-bar{
  position:relative;
  display:flex;align-items:center;
  background:var(--soft);
  border:1px solid var(--line);
  border-radius:999px;
  height:50px;
  padding:0 8px 0 18px;
  transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.search-bar:focus-within{
  background:#fff;
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(46,230,197,.28);
}
.search-bar svg{flex-shrink:0;color:var(--muted);}
.search-bar input{
  flex:1;min-width:0;height:100%;
  border:none;outline:none;background:transparent;
  padding:0 12px;color:var(--ink);
}
.search-bar input::placeholder{color:#9A94AA;}
.search-clear{
  width:32px;height:32px;border-radius:50%;border:none;
  background:transparent;color:var(--muted);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s ease,color .2s ease;
}
.search-clear:hover{background:#EFEbFB;color:var(--primary);}
.search-submit{
  height:38px;padding:0 20px;border:none;border-radius:999px;
  background:var(--primary);color:#fff;font-weight:600;cursor:pointer;
  transition:background .2s ease,transform .15s ease;
}
.search-submit:hover{background:var(--primary-dark);transform:translateY(-1px);}
.search-submit:active{transform:scale(.98);}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.menu-btn{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-row{
  display:flex;align-items:center;gap:10px;
  padding-bottom:12px;
  overflow-x:auto;scrollbar-width:none;
}
.nav-row::-webkit-scrollbar{display:none;}
.nav-chip{
  flex-shrink:0;
  padding:7px 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--muted);white-space:nowrap;
  transition:all .2s ease;
}
.nav-chip:hover{border-color:var(--primary);color:var(--primary);background:var(--soft);}
.nav-chip.active{background:var(--ink);color:#fff;border-color:var(--ink);}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;cursor:pointer;
  border:1px solid transparent;
  transition:all .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 24px rgba(108,77,246,.28);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 12px 30px rgba(108,77,246,.36);}
.btn-primary:active{transform:scale(.98);}
.btn-primary:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{background:var(--soft);border-color:#CFC6EE;transform:translateY(-1px);}
.btn-ink{background:var(--ink);color:#fff;}
.btn-ink:hover{background:#2A2633;transform:translateY(-1px);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;font-size:15px;
  border-bottom:1px solid transparent;
  transition:border-color .2s ease;
}
.link-more:hover{border-color:var(--primary);}

/* ============ HERO ============ */
.hero{
  position:relative;
  overflow:hidden;
  background:var(--soft);
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center right;
  opacity:.16;
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(18,16,24,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(18,16,24,.05) 1px,transparent 1px);
  background-size:56px 56px;
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:56px;
  align-items:center;
  padding-top:84px;
  padding-bottom:88px;
}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--muted);
  transition:all .2s ease;
}
.chip:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);}
.hero h1{
  font-size:clamp(30px,4vw,52px);
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.5px;
  margin-bottom:22px;
}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{
  font-size:17px;line-height:1.8;color:#3D3849;
  max-width:600px;margin-bottom:32px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px;}
.hero-trust li{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);flex-shrink:0;}
.dot-coral{background:var(--coral);}
.dot-purple{background:var(--primary);}

.hero-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:24px;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.hero-panel-media{position:relative;aspect-ratio:16/9;overflow:hidden;}
.hero-panel-media img{width:100%;height:100%;object-fit:cover;}
.hero-panel-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,16,24,0) 40%,rgba(18,16,24,.66) 100%);
}
.hero-panel-media span{
  position:absolute;left:20px;bottom:16px;z-index:2;
  color:#fff;font-size:14px;font-weight:600;
  display:flex;align-items:center;gap:8px;
}
.hero-panel-body{padding:24px 26px 28px;}
.pulse-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:20px;}
.pulse-dot{
  width:9px;height:9px;border-radius:50%;background:var(--success);
  box-shadow:0 0 0 0 rgba(24,184,122,.6);
  animation:pulse 2.2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(24,184,122,.55);}
  70%{box-shadow:0 0 0 10px rgba(24,184,122,0);}
  100%{box-shadow:0 0 0 0 rgba(24,184,122,0);}
}
.mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.mini-cell{padding:14px 16px;border-radius:14px;background:var(--soft);border:1px solid var(--line);}
.mini-cell b{display:block;font-size:24px;font-weight:800;line-height:1.2;}
.mini-cell small{font-size:12px;color:var(--muted);}
.bar-track{height:8px;border-radius:999px;background:var(--line);overflow:hidden;margin-top:18px;}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--cyan));}
.bar-label{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:10px;}

/* ============ SECTION HEAD ============ */
.sec-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:48px;
}
.sec-head h2{font-size:clamp(24px,2.8vw,36px);font-weight:800;line-height:1.3;letter-spacing:-.3px;}
.sec-head p{color:var(--muted);font-size:15px;margin-top:12px;max-width:620px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--primary);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);border-radius:2px;}

/* ============ METRICS BENTO ============ */
.bento-metrics{
  display:grid;
  grid-template-columns:repeat(6,minmax(0,1fr));
  gap:20px;
}
.metric-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;justify-content:space-between;
  min-height:172px;
}
.metric-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:#CFC6EE;}
.metric-wide{grid-column:span 3;min-height:200px;background:var(--ink);color:#fff;border-color:var(--ink);}
.metric-wide .metric-name,.metric-wide .metric-note{color:rgba(255,255,255,.72);}
.metric-sm{grid-column:span 1;}
.metric-md{grid-column:span 2;}
.metric-name{font-size:14px;color:var(--muted);font-weight:600;}
.metric-value{font-size:42px;font-weight:800;line-height:1.1;letter-spacing:-1px;margin:12px 0 6px;}
.metric-wide .metric-value{font-size:56px;}
.metric-value small{font-size:16px;font-weight:600;margin-left:4px;color:var(--muted);}
.metric-wide .metric-value small{color:rgba(255,255,255,.6);}
.metric-note{font-size:13px;color:var(--muted);}
.trend{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;}
.trend-up{background:rgba(24,184,122,.12);color:var(--success);}
.trend-flat{background:rgba(242,169,59,.14);color:#B8791A;}
.trend-cyan{background:rgba(46,230,197,.18);color:#0F8E78;}
.metric-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.metric-icon{
  width:36px;height:36px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--soft);color:var(--primary);flex-shrink:0;font-size:16px;
}
.metric-wide .metric-icon{background:rgba(255,255,255,.12);color:var(--cyan);}

/* ============ SERVICES BENTO ============ */
.bento-services{
  display:grid;
  grid-template-columns:repeat(6,minmax(0,1fr));
  gap:22px;
}
.svc-card{
  position:relative;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:30px;overflow:hidden;
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;
}
.svc-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:#CFC6EE;}
.svc-hero{grid-column:span 3;grid-row:span 2;padding:0;background:var(--soft);}
.svc-hero-media{aspect-ratio:16/9;overflow:hidden;}
.svc-hero-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.svc-hero:hover .svc-hero-media img{transform:scale(1.04);}
.svc-hero-body{padding:28px 30px 32px;}
.svc-wide{grid-column:span 3;}
.svc-std{grid-column:span 1;}
.svc-std-2{grid-column:span 2;}
.svc-icon{
  width:44px;height:44px;border-radius:14px;
  background:var(--soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;margin-bottom:18px;
}
.svc-card h3{font-size:20px;font-weight:800;margin-bottom:10px;line-height:1.4;}
.svc-hero h3{font-size:26px;}
.svc-card p{color:var(--muted);font-size:14.5px;line-height:1.75;margin-bottom:16px;}
.svc-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  background:var(--soft);border:1px solid var(--line);
  font-size:12.5px;color:var(--muted);
}
.badge-cat{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  background:rgba(108,77,246,.1);color:var(--primary);
  font-size:12.5px;font-weight:700;
}

/* ============ COMPARE ============ */
.compare-wrap{
  border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#fff;box-shadow:var(--shadow);
}
.compare-head{
  display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:0;
  background:var(--soft);border-bottom:1px solid var(--line);
}
.compare-head div{padding:18px 24px;font-size:14px;font-weight:700;color:var(--muted);}
.compare-head div:nth-child(2){color:var(--muted);}
.compare-head div:nth-child(3){color:var(--primary);}
.compare-row{
  display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:0;
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.compare-row:last-child{border-bottom:none;}
.compare-row:hover{background:#FCFBFF;}
.compare-row > div{padding:22px 24px;font-size:14.5px;}
.compare-key{font-weight:700;}
.compare-cell{color:var(--muted);display:flex;flex-direction:column;gap:8px;}
.compare-cell.better{color:var(--ink);}
.mini-bar{height:6px;border-radius:999px;background:var(--line);overflow:hidden;width:100%;max-width:190px;}
.mini-bar i{display:block;height:100%;border-radius:999px;}
.fill-gray{background:#B9B3C7;}
.fill-purple{background:linear-gradient(90deg,var(--primary),var(--cyan));}
.diff-chip{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;
  background:rgba(46,230,197,.16);color:#0F8E78;
}

/* ============ NEWS / CMS ============ */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:26px;
}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.news-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);border-color:#CFC6EE;}
.news-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--soft);}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.news-card:hover .news-media img{transform:scale(1.05);}
.news-media .badge-cat{position:absolute;top:14px;left:14px;background:#fff;box-shadow:0 4px 14px rgba(18,16,24,.12);}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.news-body h3{font-size:18px;font-weight:800;line-height:1.5;margin-bottom:10px;transition:color .2s ease;}
.news-card:hover .news-body h3{color:var(--primary);}
.news-body p{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--muted);margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
}
.empty-state{
  grid-column:1/-1;
  border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;color:var(--muted);background:#fff;
}

/* ============ VOICES ============ */
.voice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.voice-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:18px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.voice-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.voice-quote{font-size:15px;line-height:1.85;color:#2E2A38;}
.voice-stars{display:flex;gap:4px;color:var(--warn);font-size:14px;}
.voice-person{display:flex;align-items:center;gap:12px;margin-top:auto;}
.voice-avatar{
  width:42px;height:42px;border-radius:50%;
  background:linear-gradient(135deg,rgba(108,77,246,.18),rgba(46,230,197,.28));
  display:flex;align-items:center;justify-content:center;
  font-weight:800;color:var(--primary);font-size:14px;
}
.voice-person b{display:block;font-size:14px;}
.voice-person small{color:var(--muted);font-size:12.5px;}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:56px;align-items:start;}
.faq-side h2{font-size:clamp(24px,2.8vw,34px);font-weight:800;line-height:1.35;margin-bottom:18px;}
.faq-side p{color:var(--muted);font-size:15px;margin-bottom:26px;}
.faq-side-card{
  background:var(--soft);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
}
.faq-side-card b{display:block;font-size:15px;margin-bottom:8px;}
.faq-side-card span{font-size:13.5px;color:var(--muted);}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:#CFC6EE;box-shadow:var(--shadow);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;
  min-height:64px;padding:16px 22px;
  background:transparent;border:none;cursor:pointer;text-align:left;
  font-size:16px;font-weight:700;color:var(--ink);
}
.faq-q:hover{color:var(--primary);}
.faq-idx{
  flex-shrink:0;width:28px;height:28px;border-radius:9px;
  background:var(--soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:12.5px;font-weight:800;
}
.faq-plus{
  margin-left:auto;flex-shrink:0;width:26px;height:26px;position:relative;
  transition:transform .28s ease;
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--muted);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-plus::before{width:14px;height:2px;}
.faq-plus::after{width:2px;height:14px;transition:opacity .2s ease;}
.faq-item.open .faq-plus{transform:rotate(180deg);}
.faq-item.open .faq-plus::after{opacity:0;}
.faq-item.open .faq-plus::before{background:var(--primary);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .32s ease;
}
.faq-a-inner{padding:0 22px 22px 66px;font-size:15px;line-height:1.85;color:var(--muted);}

/* ============ CONTACT ============ */
.contact-wrap{
  display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);
  gap:56px;align-items:start;
}
.contact-points{display:flex;flex-direction:column;gap:20px;margin-top:28px;}
.contact-point{display:flex;gap:14px;align-items:flex-start;}
.contact-point .pt-ico{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:rgba(108,77,246,.1);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.contact-point b{display:block;font-size:15px;margin-bottom:4px;}
.contact-point span{font-size:13.5px;color:var(--muted);line-height:1.7;}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:22px;
  padding:34px;box-shadow:var(--shadow);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13.5px;font-weight:700;color:#3D3849;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:12px;
  background:#fff;padding:13px 15px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:120px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--cyan);
  box-shadow:0 0 0 4px rgba(46,230,197,.22);
}
.field input::placeholder,.field textarea::placeholder{color:#A8A2B6;}
.check-row{display:flex;align-items:flex-start;gap:10px;grid-column:1/-1;}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--primary);}
.check-row label{font-size:13px;color:var(--muted);line-height:1.7;font-weight:400;}
.form-actions{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:16px;}
.form-note{font-size:12.5px;color:var(--muted);}
.form-msg{
  grid-column:1/-1;display:none;border-radius:12px;padding:14px 16px;font-size:14px;
}
.form-msg.ok{display:block;background:rgba(24,184,122,.1);color:#0E7A51;border:1px solid rgba(24,184,122,.3);}

/* ============ FOOTER ============ */
.site-footer{background:var(--ink);color:#fff;padding:72px 0 0;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .logo-mark{margin-bottom:16px;}
.footer-brand b{display:block;font-size:18px;font-weight:800;margin-bottom:12px;}
.footer-brand p{font-size:13.5px;color:rgba(255,255,255,.66);line-height:1.85;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:800;color:var(--cyan);margin-bottom:18px;letter-spacing:.5px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a,.footer-col span{font-size:13.5px;color:rgba(255,255,255,.7);transition:color .2s ease;}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:24px 0 32px;font-size:12.5px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:var(--cyan);}

/* ============ RESPONSIVE ============ */
@media (max-width:1280px){
  .bento-metrics{grid-template-columns:repeat(4,minmax(0,1fr));}
  .metric-wide{grid-column:span 2;}
  .bento-services{grid-template-columns:repeat(4,minmax(0,1fr));}
  .svc-hero{grid-column:span 2;grid-row:span 2;}
  .svc-wide{grid-column:span 2;}
  .svc-std{grid-column:span 2;}
  .svc-std-2{grid-column:span 2;}
}
@media (max-width:1024px){
  .section{padding:76px 0;}
  .header-inner{grid-template-columns:auto auto;gap:16px;}
  .search-bar{grid-column:1/-1;order:3;margin-bottom:4px;}
  .menu-btn{display:flex;}
  .header-actions .btn{display:none;}
  .nav-row{display:none;padding-bottom:16px;}
  .nav-row.open{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:44px;padding-top:56px;padding-bottom:64px;}
  .faq-layout{grid-template-columns:1fr;gap:36px;}
  .contact-wrap{grid-template-columns:1fr;gap:40px;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .voice-grid{grid-template-columns:1fr;gap:18px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .compare-head,.compare-row{grid-template-columns:1fr;}
  .compare-head div:nth-child(1){display:none;}
  .compare-head div{padding:14px 20px;}
  .compare-head div:nth-child(1){display:none;}
  .compare-head div:nth-child(2)::before{content:"常规做法：";}
  .compare-head div:nth-child(3)::before{content:"体系化做法：";}
  .compare-row > div{padding:16px 20px;border-bottom:1px dashed var(--line);}
  .compare-row > div:last-child{border-bottom:none;}
  .compare-key{background:var(--soft);font-size:13.5px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:15.5px;}
  .bento-metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
  .metric-wide{grid-column:span 2;}
  .metric-sm,.metric-md{grid-column:span 1;}
  .metric-value{font-size:34px;}
  .metric-wide .metric-value{font-size:42px;}
  .bento-services{grid-template-columns:1fr;gap:16px;}
  .svc-hero,.svc-wide,.svc-std,.svc-std-2{grid-column:span 1;grid-row:auto;}
  .news-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .form-card{padding:24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .faq-a-inner{padding-left:22px;}
  .btn{height:46px;padding:0 22px;}
  .sec-head{margin-bottom:32px;}
}
@media (max-width:520px){
  .logo-text span{display:none;}
  .header-actions{gap:8px;}
  .hero-chips{gap:8px;}
  .chip{font-size:12px;padding:5px 11px;}
  .hero-cta{gap:10px;}
  .btn{width:100%;}
  .hero-cta .btn{width:100%;}
  .mini-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --brand:#6C4DF6;
  --brand-deep:#5636D8;
  --neon:#2EE6C5;
  --coral:#FF7A59;
  --ink:#121018;
  --muted:#6F6A7D;
  --soft:#F8F6FF;
  --dark:#121018;
  --line:#E6E1F2;
  --ok:#18B87A;
  --warn:#F2A93B;
  --r-sm:12px;
  --r:16px;
  --r-lg:20px;
  --r-xl:24px;
  --sh:0 8px 30px rgba(18,16,24,.08);
  --sh-lg:0 14px 40px rgba(18,16,24,.14);
  --max:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
.site-body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:#fff;
  -webkit-font-smoothing:antialiased;
}
.site-body img{max-width:100%;display:block;height:auto}
.site-body a{color:inherit;text-decoration:none}
.site-body button{font:inherit;color:inherit;cursor:pointer;background:none;border:0}
.site-body input,.site-body select,.site-body textarea{font:inherit}
.site-body ul,.site-body ol{margin:0;padding:0;list-style:none}
.site-body p{margin:0}
.site-body h1,.site-body h2,.site-body h3,.site-body h4{margin:0;font-weight:800;line-height:1.3}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-tight{padding:56px 0}
.section-dark{background:var(--dark);color:#fff}
.section-soft{background:var(--soft)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:700;font-size:15px;padding:12px 26px;transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;border:1px solid transparent;white-space:nowrap}
.btn:focus-visible{outline:2px solid var(--neon);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 22px rgba(108,77,246,.28)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 12px 28px rgba(108,77,246,.34)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{background:var(--soft);border-color:#d9cfff;color:var(--brand)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:rgba(46,230,197,.6)}
.btn-sm{padding:9px 20px;font-size:14px}
.text-link{color:var(--brand);font-weight:700;border-bottom:1px solid rgba(108,77,246,.35);padding-bottom:2px;transition:border-color .18s ease,color .18s ease}
.text-link:hover{color:var(--brand-deep);border-color:var(--brand-deep)}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:20px;padding-top:14px;padding-bottom:14px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--brand),#8f74ff);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;letter-spacing:.5px;box-shadow:0 8px 20px rgba(108,77,246,.32)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16px;font-weight:800;letter-spacing:.01em}
.logo-text span{font-size:11.5px;color:var(--muted);letter-spacing:.16em}
.search-bar{flex:1 1 auto;max-width:620px;display:flex;align-items:center;gap:10px;background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:6px 8px 6px 16px;color:var(--muted);transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}
.search-bar:focus-within{background:#fff;border-color:var(--neon);box-shadow:0 0 0 3px rgba(46,230,197,.22)}
.search-bar input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink)}
.search-bar input::placeholder{color:#9d97ae}
.search-clear{display:none;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;color:var(--muted);transition:background .18s ease,color .18s ease}
.search-clear.show{display:inline-flex}
.search-clear:hover{background:#ece7fb;color:var(--brand)}
.search-submit{border-radius:999px;background:var(--brand);color:#fff;font-size:14px;font-weight:700;padding:8px 20px;transition:background .18s ease,transform .18s ease}
.search-submit:hover{background:var(--brand-deep)}
.search-submit:active{transform:scale(.97)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.menu-btn{display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:14px;border:1px solid var(--line);color:var(--ink);transition:background .18s ease,border-color .18s ease}
.menu-btn:hover{background:var(--soft);border-color:#d9cfff}
.nav-row{display:flex;gap:8px;padding-bottom:12px;overflow-x:auto;-ms-overflow-style:none;scrollbar-width:none}
.nav-row::-webkit-scrollbar{display:none}
.nav-chip{padding:7px 16px;border-radius:999px;font-size:14px;color:#4a4557;background:#fff;border:1px solid var(--line);white-space:nowrap;transition:color .18s ease,background .18s ease,border-color .18s ease}
.nav-chip:hover{color:var(--brand);background:var(--soft);border-color:#d9cfff}
.nav-chip.active{background:var(--ink);border-color:var(--ink);color:#fff}

/* 面包屑 */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);padding:22px 0 0}
.breadcrumb a{color:var(--muted);transition:color .18s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#cbc5db}
.breadcrumb .current{color:var(--ink);font-weight:700}

/* 文章头部 */
.article-hero{padding:26px 0 0}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;letter-spacing:.12em;color:var(--brand)}
.kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--neon))}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:700;background:rgba(108,77,246,.1);color:var(--brand)}
.badge-coral{background:rgba(255,122,89,.14);color:#d8552f}
.badge-neon{background:rgba(46,230,197,.16);color:#0f9c83}
.badge-plain{background:#f1eefb;color:#5a5470}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.article-title{font-size:46px;font-weight:800;line-height:1.22;letter-spacing:-.6px;margin-top:14px}
.article-lead{font-size:16.5px;line-height:1.85;color:#4a4557;margin-top:18px;max-width:840px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:22px;padding-top:18px;border-top:1px dashed var(--line);font-size:13.5px;color:var(--muted)}
.article-meta b{color:var(--ink);font-weight:700}
.meta-dot{width:5px;height:5px;border-radius:50%;background:var(--neon)}
.post-cover{margin:28px 0 0;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh)}
.post-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* 文章布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:52px;align-items:start;padding:48px 0 8px}
.article-main{min-width:0}
.article-body{max-width:820px;font-size:16.5px;line-height:1.85;color:#211e2c}
.article-body p{margin:0 0 18px}
.article-body h2{font-size:30px;font-weight:800;line-height:1.36;margin:46px 0 16px;padding-left:18px;position:relative}
.article-body h2::before{content:"";position:absolute;left:0;top:.16em;width:5px;height:1em;border-radius:3px;background:linear-gradient(180deg,var(--brand),var(--neon))}
.article-body h3{font-size:21px;font-weight:700;margin:34px 0 12px;color:#1a1726}
.article-body h4{font-size:17.5px;font-weight:700;margin:26px 0 10px}
.article-body ul{list-style:disc;padding-left:24px;margin:0 0 18px}
.article-body ol{list-style:decimal;padding-left:24px;margin:0 0 18px}
.article-body li{margin-bottom:8px}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-deep)}
.article-body blockquote{margin:26px 0;padding:18px 24px;background:var(--soft);border-left:4px solid var(--brand);border-radius:0 var(--r) var(--r) 0;color:#3b3652}
.article-body img{border-radius:var(--r);border:1px solid var(--line);margin:22px 0}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.article-body th{background:var(--soft);font-weight:700;text-align:left}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line)}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:34px 0}
.article-body code{background:var(--soft);border-radius:6px;padding:2px 6px;font-size:.92em}
.article-body strong{font-weight:800}

/* 空态 */
.article-empty{max-width:820px;border:1px dashed var(--line);background:var(--soft);border-radius:var(--r-lg);padding:44px 32px;text-align:center}
.article-empty h2{font-size:24px;margin-bottom:12px}
.article-empty p{color:var(--muted);margin-bottom:22px;font-size:15px}

/* 文章底部工具条 */
.post-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:38px;padding-top:24px;border-top:1px solid var(--line)}
.tag-label{font-size:13px;font-weight:800;color:var(--muted);letter-spacing:.08em}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;background:var(--soft);border:1px solid var(--line);font-size:13px;color:#4a4557;transition:color .18s ease,border-color .18s ease,background .18s ease}
.tag:hover{color:var(--brand);border-color:#d9cfff;background:#fff}
.post-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px}
.action-tip{font-size:13px;color:var(--ok);font-weight:700}

/* 侧栏 */
.article-side{min-width:0}
.side-sticky{position:sticky;top:118px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh)}
.side-title{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:800;letter-spacing:.04em;margin-bottom:16px}
.side-title::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--neon)}
.side-meta{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--muted);padding:9px 0;border-bottom:1px dashed var(--line)}
.side-meta:last-child{border-bottom:0}
.side-meta b{color:var(--ink);font-weight:700;text-align:right}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:var(--r-sm);font-size:14px;color:#3b3652;transition:background .18s ease,color .18s ease}
.side-links a:hover{background:var(--soft);color:var(--brand)}
.side-note{font-size:13px;line-height:1.8;color:var(--muted)}

/* 板块标题 */
.section-head{max-width:720px;margin-bottom:38px}
.section-head .kicker{margin-bottom:12px}
.section-head h2{font-size:32px;font-weight:800;letter-spacing:-.3px}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.85}

/* 卡片 */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:#d9cfff}
.card-media{position:relative;overflow:hidden}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--brand)}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.card-body h3{font-size:18.5px;font-weight:800;line-height:1.45;transition:color .18s ease}
.card:hover .card-body h3{color:var(--brand)}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.8}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);padding-top:6px}

/* CTA */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--dark);color:#fff;padding:52px;display:grid;grid-template-columns:1.25fr .85fr;gap:40px;align-items:center}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:44px 44px;opacity:.7}
.cta-band::after{content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(108,77,246,.55),transparent 68%)}
.cta-copy,.cta-points{position:relative;z-index:1}
.cta-copy h2{font-size:32px;line-height:1.32;letter-spacing:-.3px}
.cta-copy p{margin-top:16px;color:#c6c1d6;font-size:15.5px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cta-points li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:14.5px;color:#d6d1e4}
.cta-points li:last-child{border-bottom:0}
.cta-points span.num{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:rgba(46,230,197,.16);color:var(--neon);font-size:12.5px;font-weight:800;display:flex;align-items:center;justify-content:center}

/* 页脚 */
.site-footer{background:var(--dark);color:#c9c3da;padding:60px 0 26px;margin-top:84px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px}
.footer-brand b{display:block;margin:14px 0 12px;color:#fff;font-size:17px;font-weight:800}
.footer-brand p{font-size:14px;line-height:1.9;color:#9c96ad;max-width:400px}
.footer-col h4{font-size:14.5px;color:var(--neon);font-weight:800;margin-bottom:16px;letter-spacing:.04em}
.footer-col li{margin-bottom:11px;font-size:14px;color:#a9a3ba}
.footer-col a{color:#c9c3da;transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#8b8599}

@media (max-width:1280px){
  .article-layout{gap:40px}
}
@media (max-width:1024px){
  .section{padding:64px 0}
  .article-title{font-size:38px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;padding-top:36px}
  .article-side{margin-top:36px}
  .side-sticky{position:static}
  .cta-band{grid-template-columns:1fr;padding:40px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .header-inner{flex-wrap:wrap;gap:12px}
  .search-bar{order:3;flex:1 1 100%;max-width:none}
  .menu-btn{display:inline-flex}
  .header-actions{margin-left:auto}
  .nav-row{display:none;flex-wrap:wrap;padding-bottom:14px}
  .nav-row.open{display:flex}
  .article-title{font-size:31px;letter-spacing:-.3px}
  .article-lead{font-size:15.5px}
  .article-body{font-size:16px}
  .article-body h2{font-size:24px;margin-top:36px}
  .article-body h3{font-size:19px}
  .section-head h2{font-size:26px}
  .card-grid{grid-template-columns:1fr}
  .cta-copy h2{font-size:25px}
  .cta-band{padding:32px 24px;border-radius:var(--r-lg)}
}
@media (max-width:520px){
  .logo-text span{display:none}
  .article-title{font-size:27px;line-height:1.3}
  .search-submit{padding:8px 14px}
  .meta-dot{display:none}
  .article-meta{gap:8px 14px}
  .section{padding:52px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .btn{width:100%}
  .btn-sm{width:auto}
}

/* roulang page: category1 */
:root{
  --primary:#6C4DF6;
  --primary-dark:#5636D8;
  --primary-soft:#EFEBFF;
  --cyan:#2EE6C5;
  --coral:#FF7A59;
  --ink:#121018;
  --muted:#6F6A7D;
  --bg:#F8F6FF;
  --dark:#121018;
  --line:#E6E1F2;
  --success:#18B87A;
  --warn:#F2A93B;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 8px 30px rgba(18,16,24,.08);
  --shadow-hover:0 14px 40px rgba(18,16,24,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:#fff;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.24;font-weight:800;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 16px rgba(18,16,24,.04)}
.header-inner{display:flex;align-items:center;gap:22px;padding:14px 0;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary) 0%,#8A6BFF 60%,var(--cyan) 140%);
  color:#fff;font-weight:800;font-size:15px;letter-spacing:.5px;flex:0 0 auto}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:17px;font-weight:800;color:var(--ink)}
.logo-text span{font-size:11px;color:var(--muted);letter-spacing:2px}
.search-bar{flex:1 1 380px;max-width:640px;display:flex;align-items:center;gap:10px;
  background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:6px 6px 6px 18px;transition:.22s ease}
.search-bar:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(108,77,246,.12)}
.search-bar svg{color:var(--muted);flex:0 0 auto}
.search-bar input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14.5px;padding:8px 0}
.search-bar input::placeholder{color:#A39DB4}
.search-clear{display:none;align-items:center;justify-content:center;width:26px;height:26px;border:0;border-radius:50%;
  background:#E9E4F8;color:var(--muted);cursor:pointer;flex:0 0 auto}
.search-clear:hover{background:var(--primary-soft);color:var(--primary)}
.search-submit{border:0;border-radius:999px;padding:9px 20px;background:var(--primary);color:#fff;font-size:14px;font-weight:700;
  cursor:pointer;transition:.2s ease;flex:0 0 auto}
.search-submit:hover{background:var(--primary-dark)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.menu-btn{display:none;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line);
  background:#fff;border-radius:12px;cursor:pointer;color:var(--ink)}
.menu-btn:hover{border-color:var(--primary);color:var(--primary)}
.nav-row{display:flex;gap:10px;overflow-x:auto;padding:6px 0 14px;scrollbar-width:none}
.nav-row::-webkit-scrollbar{display:none}
.nav-chip{flex:0 0 auto;padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:600;color:var(--muted);white-space:nowrap;transition:.2s ease}
.nav-chip:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.nav-chip.active{background:var(--ink);border-color:var(--ink);color:#fff}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:13px 26px;
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:.22s ease;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(108,77,246,.26)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:var(--primary-soft);border-color:#CDBDFB;color:var(--primary-dark)}
.btn-light-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:#fff}
.btn-light-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5)}
.btn-sm{padding:9px 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--primary);
  border-bottom:1px solid rgba(108,77,246,.35);padding-bottom:2px}
.link-arrow:hover{color:var(--primary-dark);border-color:var(--primary-dark);gap:10px}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--dark);color:#fff;overflow:hidden;padding:40px 0 72px}
.hero::before{content:"";position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;opacity:.20}
.hero::after{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none}
.hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:30px}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:var(--cyan)}
.crumb .sep{color:rgba(255,255,255,.3)}
.crumb .current{color:#fff;font-weight:700}
.hero-tagline{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:2.5px;
  color:var(--cyan);text-transform:uppercase;margin-bottom:16px}
.hero-tagline i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(46,230,197,.18)}
.hero-title{font-size:clamp(30px,4vw,50px);font-weight:800;letter-spacing:-.02em;max-width:880px;color:#fff}
.hero-title em{font-style:normal;color:var(--cyan)}
.hero-sub{margin-top:20px;max-width:700px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.74)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:26px;border-top:1px solid rgba(255,255,255,.12)}
.chip-ghost{display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);color:#E7E2FF;transition:.2s ease}
.chip-ghost:hover{background:rgba(46,230,197,.16);border-color:rgba(46,230,197,.5);color:#fff}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stat{flex:1 1 190px;min-width:170px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:16px;padding:18px 20px}
.hero-stat b{display:block;font-size:26px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.hero-stat span{display:block;font-size:13px;color:rgba(255,255,255,.62);margin-top:4px}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-alt{background:var(--bg)}
.section-dark{background:var(--dark);color:#fff}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:2px;color:var(--primary);margin-bottom:14px}
.section-dark .eyebrow{color:var(--cyan)}
.section-title{font-size:clamp(24px,2.6vw,34px);font-weight:800;letter-spacing:-.02em}
.section-desc{margin-top:14px;max-width:760px;font-size:16px;line-height:1.85;color:var(--muted)}
.section-dark .section-desc{color:rgba(255,255,255,.7)}
.section-head{margin-bottom:40px}

/* ---------- category layout ---------- */
.cat-layout{display:grid;grid-template-columns:262px minmax(0,1fr);gap:36px;align-items:start}
.toc{position:sticky;top:150px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.toc-title{font-size:13px;font-weight:800;letter-spacing:2px;color:var(--muted);margin-bottom:14px}
.toc ul li a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;font-size:14.5px;color:var(--muted);font-weight:600}
.toc ul li a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--line);flex:0 0 auto;transition:.2s ease}
.toc ul li a:hover{background:var(--bg);color:var(--primary)}
.toc ul li a:hover::before{background:var(--primary)}
.toc-note{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted);line-height:1.7}
.toc-note b{display:block;color:var(--ink);font-size:14px;margin-bottom:4px}

.card-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D6C9FD}
.card-wide{grid-column:span 6;flex-direction:row;align-items:stretch}
.card-wide .card-media{flex:0 0 46%;max-width:46%;position:relative;overflow:hidden;background:var(--bg)}
.card-wide .card-media img{width:100%;height:100%;object-fit:cover;min-height:280px}
.card-wide .card-body{flex:1;padding:30px 32px;display:flex;flex-direction:column;justify-content:center}
.card-half{grid-column:span 3}
.card-third{grid-column:span 2}
.card-third .card-media{height:168px;overflow:hidden;background:var(--bg)}
.card-third .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card-third:hover .card-media img{transform:scale(1.05)}
.card-body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-badge{align-self:flex-start;font-size:12px;font-weight:800;letter-spacing:1px;padding:5px 12px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary-dark)}
.card-badge.cyan{background:rgba(46,230,197,.16);color:#128A76}
.card-badge.coral{background:rgba(255,122,89,.14);color:#D0552F}
.card h3{font-size:21px}
.card-wide h3{font-size:26px}
.card p{font-size:15px;color:var(--muted);line-height:1.8}
.point-list{display:flex;flex-direction:column;gap:8px;margin-top:2px}
.point-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--ink)}
.point-list li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 0 3px rgba(46,230,197,.16)}
.card-link{margin-top:auto;padding-top:8px}

/* ---------- process ---------- */
.process{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;position:relative}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow);position:relative}
.step-num{font-size:13px;font-weight:800;letter-spacing:2px;color:var(--primary)}
.step h3{font-size:19px;margin-top:10px}
.step p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.8}
.step-bar{height:4px;border-radius:999px;background:var(--line);margin-top:18px;overflow:hidden}
.step-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--cyan))}

/* ---------- compare ---------- */
.diff{display:flex;flex-direction:column;gap:12px}
.diff-row{display:grid;grid-template-columns:170px minmax(0,1fr) minmax(0,1fr);gap:16px;align-items:stretch}
.diff-label{display:flex;align-items:center;font-size:14.5px;font-weight:800;color:var(--ink)}
.diff-cell{border-radius:14px;padding:16px 18px;font-size:14.5px;border:1px solid var(--line);background:#fff;color:var(--muted)}
.diff-cell em{display:none;font-style:normal;font-size:12px;font-weight:800;letter-spacing:1px;color:var(--muted)}
.diff-after{background:linear-gradient(180deg,#F4F0FF 0%,#fff 100%);border-color:#D6C9FD;color:var(--ink);font-weight:600}
.diff-after em{color:var(--primary-dark)}
.diff-head{display:grid;grid-template-columns:170px minmax(0,1fr) minmax(0,1fr);gap:16px}
.diff-head span{font-size:13px;font-weight:800;letter-spacing:1.5px;color:var(--muted);padding:0 4px}
.diff-head span:last-child{color:var(--primary-dark)}
.mini-bar{height:5px;border-radius:999px;background:rgba(18,16,24,.08);margin-top:10px;overflow:hidden}
.mini-bar i{display:block;height:100%;background:var(--primary)}

/* ---------- tags / checklist ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{display:inline-flex;align-items:center;padding:8px 15px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--muted);transition:.2s ease}
.tag:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;align-items:start}
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.check-list li{display:flex;gap:12px;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:14px;font-size:15px;box-shadow:var(--shadow)}
.check-list svg{flex:0 0 auto;margin-top:5px;color:var(--success)}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:340px minmax(0,1fr);gap:40px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.22s ease}
.faq-item.open{border-color:#D6C9FD;box-shadow:var(--shadow)}
.faq-q{width:100%;display:flex;align-items:center;gap:16px;padding:20px 22px;background:transparent;border:0;cursor:pointer;text-align:left}
.faq-num{font-size:13px;font-weight:800;color:var(--primary);flex:0 0 auto;font-variant-numeric:tabular-nums}
.faq-text{flex:1;font-size:16.5px;font-weight:700;color:var(--ink)}
.faq-icon{position:relative;width:22px;height:22px;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px;transition:.25s ease}
.faq-icon::before{left:50%;top:3px;width:2.5px;height:16px;transform:translateX(-50%)}
.faq-icon::after{top:50%;left:3px;height:2.5px;width:16px;transform:translateY(-50%)}
.faq-item.open .faq-icon::before{transform:translateX(-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 22px 22px 58px;font-size:15.5px;line-height:1.85;color:var(--muted)}

/* ---------- cta / form ---------- */
.cta-panel{background:var(--dark);border-radius:26px;padding:56px;color:#fff;position:relative;overflow:hidden}
.cta-panel::before{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,77,246,.55),transparent 68%)}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:48px;align-items:start}
.cta-panel h2{font-size:clamp(24px,2.6vw,32px)}
.cta-panel p.lead{margin-top:16px;color:rgba(255,255,255,.72);font-size:16px;line-height:1.85}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.cta-points li{display:flex;gap:12px;font-size:15px;color:rgba(255,255,255,.86)}
.cta-points svg{flex:0 0 auto;margin-top:5px;color:var(--cyan)}
.form-card{background:#fff;border-radius:20px;padding:30px;color:var(--ink);box-shadow:0 20px 50px rgba(0,0,0,.25)}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.field label{font-size:13.5px;font-weight:700;color:var(--ink)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#fff;font-size:15px;outline:none;transition:.2s ease}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(46,230,197,.18)}
.field textarea{min-height:110px;resize:vertical}
.field .error input,.field .error select{border-color:var(--coral);box-shadow:0 0 0 4px rgba(255,122,89,.14)}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);line-height:1.7;margin-bottom:20px}
.agree input{width:18px;height:18px;flex:0 0 auto;margin-top:3px;accent-color:var(--primary)}
.form-note{margin-top:14px;font-size:13.5px;color:var(--muted)}
.form-msg{display:none;margin-top:14px;padding:12px 14px;border-radius:12px;font-size:14px;font-weight:600}
.form-msg.ok{display:block;background:rgba(24,184,122,.12);color:#0F7A50}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{display:flex;flex-direction:column;gap:14px}
.footer-brand .logo-mark{width:44px;height:44px}
.footer-brand b{color:#fff;font-size:18px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:360px}
.footer-col h4{color:var(--cyan);font-size:13px;letter-spacing:2px;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding-top:22px;font-size:13px;color:rgba(255,255,255,.48)}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .cat-layout{grid-template-columns:1fr}
  .toc{position:static}
  .card-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .card-wide{grid-column:span 4;flex-direction:column}
  .card-wide .card-media{max-width:100%;flex:0 0 auto}
  .card-wide .card-media img{min-height:220px;height:220px}
  .card-half{grid-column:span 2}
  .card-third{grid-column:span 2}
  .process{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-panel{padding:40px 32px}
  .cta-grid{grid-template-columns:1fr;gap:34px}
  .faq-wrap{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:900px){
  .menu-btn{display:flex}
  .nav-row{display:none;flex-direction:column;gap:8px;padding-bottom:16px}
  .nav-row.open{display:flex}
  .nav-chip{width:100%;text-align:center;padding:11px 16px}
  .header-inner{gap:12px}
  .search-bar{order:3;flex-basis:100%;max-width:none}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section{padding:54px 0}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .card-wide,.card-half,.card-third{grid-column:span 1}
  .card-wide .card-body{padding:24px 22px}
  .card-body{padding:22px 20px 24px}
  .two-col{grid-template-columns:1fr;gap:24px}
  .check-list{grid-template-columns:1fr}
  .diff-head{display:none}
  .diff-row{grid-template-columns:1fr;gap:10px;border:1px solid var(--line);border-radius:16px;padding:16px;background:#fff}
  .diff-label{font-weight:800;color:var(--ink);font-size:15px}
  .diff-cell em{display:block;margin-bottom:4px}
  .diff-after{margin-top:2px}
  .process{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .faq-a p{padding:0 20px 20px 20px}
  .faq-q{padding:16px 18px;gap:12px}
  .faq-text{font-size:15.5px}
  .cta-panel{padding:32px 20px;border-radius:20px}
  .form-card{padding:22px 18px}
  .footer-grid{grid-template-columns:1fr}
  .hero{padding:28px 0 52px}
  .hero-stats{gap:10px}
  .hero-stat{flex:1 1 100%}
}
@media (max-width:420px){
  .logo-text span{letter-spacing:1px}
  .btn{padding:12px 20px;font-size:14.5px}
  .hero-cta .btn{width:100%}
}

/* roulang page: category2 */
:root{
    --brand:#6C4DF6;
    --brand-dark:#5636D8;
    --cyan:#2EE6C5;
    --coral:#FF7A59;
    --ink:#121018;
    --muted:#6F6A7D;
    --soft:#F8F6FF;
    --line:#E6E1F2;
    --ok:#18B87A;
    --warn:#F2A93B;
    --radius-card:18px;
    --radius-btn:999px;
    --shadow:0 8px 30px rgba(18,16,24,.08);
    --shadow-hover:0 14px 40px rgba(18,16,24,.14);
    --container:1240px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
    font-size:16px;
    line-height:1.75;
    color:var(--ink);
    background:#fff;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
  h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em;}
  p{margin:0 0 18px;}
  ul{margin:0;padding:0;list-style:none;}

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

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:var(--soft);
    border-bottom:1px solid var(--line);
  }
  .header-inner{
    display:flex;
    align-items:center;
    gap:20px;
    padding-top:14px;
    padding-bottom:12px;
  }
  .logo{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .logo-mark{
    width:42px;height:42px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border-radius:13px;
    background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);
    color:#fff;
    font-weight:800;
    font-size:17px;
    letter-spacing:.5px;
    flex-shrink:0;
  }
  .logo-text{
    display:flex;
    flex-direction:column;
    line-height:1.2;
  }
  .logo-text b{font-size:17px;font-weight:800;}
  .logo-text span{font-size:12px;color:var(--muted);letter-spacing:.08em;}

  .search-bar{
    flex:1 1 auto;
    min-width:0;
    display:flex;
    align-items:center;
    gap:10px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-btn);
    padding:6px 6px 6px 16px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .search-bar svg{color:var(--muted);flex-shrink:0;}
  .search-bar input{
    flex:1 1 auto;
    min-width:0;
    border:0;
    outline:0;
    background:transparent;
    padding:8px 0;
    font-size:15px;
  }
  .search-bar input::placeholder{color:#A8A3B8;}
  .search-bar:focus-within{
    border-color:var(--cyan);
    box-shadow:0 0 0 3px rgba(46,230,197,.22);
  }
  .search-clear{
    border:0;background:transparent;
    color:#A8A3B8;
    cursor:pointer;
    padding:6px;
    border-radius:50%;
    display:inline-flex;
    transition:color .18s ease,background .18s ease;
  }
  .search-clear:hover{color:var(--ink);background:var(--soft);}
  .search-submit{
    border:0;
    background:var(--brand);
    color:#fff;
    border-radius:var(--radius-btn);
    padding:9px 20px;
    font-size:14px;
    font-weight:700;
    cursor:pointer;
    transition:background .2s ease,transform .15s ease;
  }
  .search-submit:hover{background:var(--brand-dark);}
  .search-submit:active{transform:scale(.98);}

  .header-actions{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .menu-btn{
    display:none;
    border:1px solid var(--line);
    background:#fff;
    border-radius:12px;
    padding:9px;
    cursor:pointer;
    color:var(--ink);
  }

  .nav-row{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    padding-bottom:12px;
  }
  .nav-chip{
    display:inline-flex;
    align-items:center;
    padding:7px 16px;
    border-radius:var(--radius-btn);
    background:#fff;
    border:1px solid var(--line);
    font-size:14px;
    color:var(--muted);
    transition:all .2s ease;
    white-space:nowrap;
  }
  .nav-chip:hover{
    color:var(--brand);
    border-color:#CFC4FA;
    background:#fff;
    transform:translateY(-1px);
  }
  .nav-chip.active{
    background:var(--brand);
    border-color:var(--brand);
    color:#fff;
    font-weight:700;
  }

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border-radius:var(--radius-btn);
    padding:13px 28px;
    font-size:15px;
    font-weight:700;
    cursor:pointer;
    border:1px solid transparent;
    transition:all .2s ease;
  }
  .btn-primary{background:var(--brand);color:#fff;}
  .btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--shadow);}
  .btn-primary:active{transform:scale(.98);}
  .btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
  .btn-ghost:hover{background:var(--soft);border-color:#CFC4FA;color:var(--brand);}
  .btn-sm{padding:9px 18px;font-size:14px;}
  .btn:focus-visible,
  .nav-chip:focus-visible,
  .search-submit:focus-visible,
  .search-clear:focus-visible,
  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  textarea:focus-visible,
  select:focus-visible{
    outline:2px solid var(--cyan);
    outline-offset:2px;
  }

  /* ============ 通用 ============ */
  .breadcrumb{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:13.5px;
    color:var(--muted);
    padding:22px 0 0;
  }
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb .sep{color:#C6C1D6;}
  .breadcrumb .current{color:var(--ink);font-weight:700;}

  .section{padding:84px 0;}
  .section-tight{padding:56px 0;}
  .section-soft{background:var(--soft);}
  .section-dark{
    background:var(--ink);
    color:#fff;
    position:relative;
    overflow:hidden;
  }
  .section-dark::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
    background-size:52px 52px;
    pointer-events:none;
  }
  .section-dark > .container{position:relative;z-index:1;}

  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    font-weight:700;
    letter-spacing:.14em;
    color:var(--brand);
    text-transform:uppercase;
    margin-bottom:14px;
  }
  .eyebrow::before{
    content:"";
    width:22px;height:2px;
    background:var(--brand);
    border-radius:2px;
  }
  .section-head{max-width:760px;margin-bottom:44px;}
  .section-head h2{font-size:34px;margin-bottom:14px;}
  .section-head p{color:var(--muted);font-size:16px;margin:0;}
  .section-dark .section-head p{color:rgba(255,255,255,.72);}
  .section-dark .eyebrow{color:var(--cyan);}
  .section-dark .eyebrow::before{background:var(--cyan);}

  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:4px 12px;
    border-radius:var(--radius-btn);
    font-size:12.5px;
    font-weight:700;
    background:rgba(108,77,246,.1);
    color:var(--brand);
  }
  .badge-cyan{background:rgba(46,230,197,.16);color:#0F8E7B;}
  .badge-coral{background:rgba(255,122,89,.14);color:#D9522E;}
  .badge-ok{background:rgba(24,184,122,.14);color:#0F8757;}

  .chip-row{display:flex;flex-wrap:wrap;gap:10px;}
  .chip{
    display:inline-flex;
    align-items:center;
    padding:7px 15px;
    border-radius:var(--radius-btn);
    background:#fff;
    border:1px solid var(--line);
    font-size:14px;
    color:var(--muted);
    transition:all .2s ease;
  }
  .chip:hover{color:var(--brand);border-color:#CFC4FA;background:var(--soft);}

  /* ============ Hero ============ */
  .hero{
    position:relative;
    overflow:hidden;
    background:var(--ink);
    color:#fff;
  }
  .hero-bg{
    position:absolute;
    inset:0;
    background-image:url("/assets/images/backpic/back-2.png");
    background-size:cover;
    background-position:center;
    opacity:.22;
  }
  .hero::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(115deg,rgba(18,16,24,.94) 0%,rgba(18,16,24,.82) 46%,rgba(86,54,216,.62) 100%);
  }
  .hero-inner{
    position:relative;
    z-index:2;
    padding:76px 0 80px;
    display:grid;
    grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);
    gap:48px;
    align-items:center;
  }
  .hero h1{
    font-size:clamp(30px,4.2vw,52px);
    line-height:1.18;
    margin:16px 0 20px;
    font-weight:800;
  }
  .hero h1 em{
    font-style:normal;
    color:var(--cyan);
  }
  .hero-sub{
    font-size:17px;
    color:rgba(255,255,255,.8);
    max-width:600px;
    margin-bottom:26px;
  }
  .hero .chip{
    background:rgba(255,255,255,.08);
    border-color:rgba(255,255,255,.18);
    color:rgba(255,255,255,.86);
  }
  .hero .chip:hover{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.34);}
  .hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 22px;}
  .hero .btn-ghost{
    background:transparent;
    color:#fff;
    border-color:rgba(255,255,255,.32);
  }
  .hero .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
  .hero-trust{
    display:flex;
    flex-wrap:wrap;
    gap:22px;
    font-size:13.5px;
    color:rgba(255,255,255,.66);
  }
  .hero-trust span{display:inline-flex;align-items:center;gap:7px;}
  .dot{
    width:7px;height:7px;border-radius:50%;
    background:var(--cyan);
    box-shadow:0 0 0 4px rgba(46,230,197,.18);
  }

  .hero-panel{
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.16);
    border-radius:20px;
    padding:26px;
  }
  .hero-panel h3{
    font-size:15px;
    letter-spacing:.06em;
    color:rgba(255,255,255,.72);
    font-weight:700;
    margin-bottom:18px;
  }
  .hero-panel .row{
    display:flex;
    align-items:baseline;
    justify-content:space-between;
    gap:12px;
    padding:11px 0;
    border-bottom:1px dashed rgba(255,255,255,.16);
  }
  .hero-panel .row:last-of-type{border-bottom:0;}
  .hero-panel .row span{font-size:14px;color:rgba(255,255,255,.72);}
  .hero-panel .row b{font-size:19px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;}

  /* ============ 指标带 ============ */
  .metric-strip{
    display:grid;
    grid-template-columns:1.25fr 1fr 1fr 1.1fr;
    gap:20px;
  }
  .metric-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:24px;
    box-shadow:var(--shadow);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    position:relative;
    overflow:hidden;
  }
  .metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#CFC4FA;}
  .metric-card .m-name{font-size:14px;color:var(--muted);margin-bottom:12px;}
  .metric-card .m-value{
    font-size:40px;
    font-weight:800;
    line-height:1;
    color:var(--ink);
    font-variant-numeric:tabular-nums;
    display:flex;
    align-items:baseline;
    gap:6px;
  }
  .metric-card .m-value small{font-size:15px;font-weight:700;color:var(--muted);}
  .metric-card .m-note{font-size:13px;color:var(--muted);margin-top:12px;}
  .metric-card .m-trend{
    display:inline-flex;
    align-items:center;
    gap:5px;
    font-size:12.5px;
    font-weight:700;
    color:var(--ok);
    margin-top:10px;
  }
  .metric-card.accent{background:linear-gradient(140deg,var(--brand) 0%,var(--brand-dark) 100%);border-color:transparent;color:#fff;}
  .metric-card.accent .m-name,
  .metric-card.accent .m-note{color:rgba(255,255,255,.78);}
  .metric-card.accent .m-value{color:#fff;}
  .metric-card.accent .m-value small{color:rgba(255,255,255,.8);}
  .metric-card.accent .m-trend{color:var(--cyan);}

  /* ============ 案例瀑布 ============ */
  .case-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:24px;
  }
  .case-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    overflow:hidden;
    display:flex;
    flex-direction:column;
    box-shadow:var(--shadow);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#CFC4FA;}
  .case-card:hover .case-title{color:var(--brand);}
  .case-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--soft);}
  .case-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
  .case-card:hover .case-media img{transform:scale(1.04);}
  .case-media .badge{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.94);backdrop-filter:none;}
  .case-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
  .case-title{font-size:20px;font-weight:800;transition:color .2s ease;}
  .case-desc{font-size:14.5px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
  .case-result{
    background:var(--soft);
    border-radius:12px;
    padding:12px 14px;
    font-size:13.5px;
    color:var(--ink);
    display:flex;
    gap:10px;
    align-items:flex-start;
  }
  .case-result b{color:var(--brand);font-weight:800;font-variant-numeric:tabular-nums;flex-shrink:0;}
  .case-meta{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    font-size:13px;
    color:var(--muted);
    margin-top:auto;
    padding-top:6px;
    border-top:1px solid var(--line);
  }
  .case-meta a{color:var(--brand);font-weight:700;}
  .case-meta a:hover{text-decoration:underline;text-underline-offset:4px;}

  .case-card.feature{
    grid-column:span 2;
    flex-direction:row;
  }
  .case-card.feature .case-media{
    flex:0 0 46%;
    aspect-ratio:auto;
    min-height:280px;
  }
  .case-card.feature .case-body{padding:30px;}
  .case-card.feature .case-title{font-size:26px;}
  .case-card.feature .case-desc{-webkit-line-clamp:2;font-size:15px;}

  /* ============ 对比条 ============ */
  .compare-wrap{
    background:#fff;
    border:1px solid var(--line);
    border-radius:20px;
    box-shadow:var(--shadow);
    overflow:hidden;
  }
  .compare-head{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1fr;
    gap:16px;
    padding:18px 26px;
    background:var(--soft);
    border-bottom:1px solid var(--line);
    font-size:13.5px;
    font-weight:700;
    color:var(--muted);
  }
  .compare-row{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1fr;
    gap:16px;
    padding:22px 26px;
    border-bottom:1px solid var(--line);
    align-items:center;
  }
  .compare-row:last-child{border-bottom:0;}
  .compare-row .c-name{font-weight:700;font-size:15.5px;}
  .compare-row .c-name span{display:block;font-weight:400;font-size:13px;color:var(--muted);margin-top:4px;}
  .bar{
    height:8px;
    border-radius:999px;
    background:var(--line);
    overflow:hidden;
  }
  .bar i{display:block;height:100%;border-radius:999px;}
  .bar-before i{background:#C6C1D6;width:38%;}
  .bar-after i{background:linear-gradient(90deg,var(--brand),var(--cyan));width:82%;}
  .bar-before.mid i{width:52%;}
  .bar-after.mid i{width:88%;}
  .bar-before.low i{width:30%;}
  .bar-after.low i{width:72%;}
  .compare-row .diff{
    justify-self:start;
    font-size:12.5px;
    font-weight:700;
    color:var(--ok);
    background:rgba(24,184,122,.12);
    padding:4px 12px;
    border-radius:var(--radius-btn);
    white-space:nowrap;
  }
  .compare-foot{
    padding:20px 26px;
    background:var(--soft);
    font-size:14px;
    color:var(--muted);
    border-top:1px solid var(--line);
  }

  /* ============ 评价 ============ */
  .quote-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:22px;
  }
  .quote-card{
    background:rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.14);
    border-radius:var(--radius-card);
    padding:28px;
    transition:transform .22s ease,border-color .22s ease,background .22s ease;
  }
  .quote-card:hover{transform:translateY(-4px);border-color:rgba(46,230,197,.5);background:rgba(255,255,255,.08);}
  .quote-card p{
    font-size:15.5px;
    color:rgba(255,255,255,.86);
    line-height:1.85;
    margin-bottom:22px;
  }
  .quote-who{display:flex;align-items:center;gap:12px;}
  .avatar{
    width:42px;height:42px;
    border-radius:50%;
    background:linear-gradient(135deg,var(--brand),var(--cyan));
    color:#fff;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-weight:800;
    font-size:15px;
    flex-shrink:0;
  }
  .quote-who b{display:block;font-size:14.5px;}
  .quote-who span{font-size:12.5px;color:rgba(255,255,255,.6);}

  /* ============ FAQ ============ */
  .faq-layout{
    display:grid;
    grid-template-columns:minmax(0,.85fr) minmax(0,1.6fr);
    gap:48px;
    align-items:start;
  }
  .faq-list{border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    gap:16px;
    min-height:64px;
    padding:16px 4px;
    background:transparent;
    border:0;
    text-align:left;
    font-size:16.5px;
    font-weight:700;
    cursor:pointer;
    color:var(--ink);
    transition:color .2s ease;
  }
  .faq-q:hover{color:var(--brand);}
  .faq-num{
    font-size:13px;
    font-weight:800;
    color:var(--brand);
    background:rgba(108,77,246,.1);
    border-radius:9px;
    padding:4px 9px;
    flex-shrink:0;
    font-variant-numeric:tabular-nums;
  }
  .faq-sign{
    margin-left:auto;
    flex-shrink:0;
    width:26px;height:26px;
    border-radius:50%;
    border:1px solid var(--line);
    display:inline-flex;
    align-items:center;
    justify-content:center;
    color:var(--brand);
    font-size:16px;
    transition:transform .28s ease,background .2s ease,color .2s ease;
  }
  .faq-item.open .faq-sign{transform:rotate(45deg);background:var(--brand);color:#fff;border-color:var(--brand);}
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .3s ease;
  }
  .faq-a p{
    font-size:16px;
    line-height:1.8;
    color:var(--muted);
    padding:0 4px 22px 52px;
    margin:0;
  }

  /* ============ CTA / 表单 ============ */
  .cta-layout{
    display:grid;
    grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
    gap:48px;
    align-items:start;
  }
  .cta-points li{
    display:flex;
    gap:12px;
    align-items:flex-start;
    padding:14px 0;
    border-bottom:1px dashed var(--line);
    font-size:15.5px;
    color:var(--muted);
  }
  .cta-points li:last-child{border-bottom:0;}
  .cta-points b{color:var(--ink);display:block;font-size:16px;margin-bottom:2px;font-weight:700;}
  .tick{
    width:22px;height:22px;
    border-radius:50%;
    background:rgba(46,230,197,.18);
    color:#0F8E7B;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:12px;
    font-weight:800;
    flex-shrink:0;
    margin-top:3px;
  }

  .form-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:20px;
    padding:32px;
    box-shadow:var(--shadow);
  }
  .field{margin-bottom:18px;}
  .field label{
    display:block;
    font-size:14px;
    font-weight:700;
    margin-bottom:8px;
  }
  .field label .req{color:var(--coral);margin-left:4px;}
  .field input,
  .field select,
  .field textarea{
    width:100%;
    border:1px solid var(--line);
    border-radius:12px;
    padding:12px 14px;
    background:#fff;
    font-size:15px;
    outline:0;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .field textarea{min-height:110px;resize:vertical;}
  .field input:focus,
  .field select:focus,
  .field textarea:focus{
    border-color:var(--cyan);
    box-shadow:0 0 0 3px rgba(46,230,197,.22);
  }
  .field input::placeholder,
  .field textarea::placeholder{color:#A8A3B8;}
  .field-row{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:16px;
  }
  .check-line{
    display:flex;
    align-items:flex-start;
    gap:10px;
    font-size:13.5px;
    color:var(--muted);
    margin-bottom:20px;
  }
  .check-line input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);flex-shrink:0;}
  .form-note{
    font-size:13px;
    color:var(--muted);
    margin:16px 0 0;
  }
  .form-msg{
    display:none;
    margin-top:16px;
    padding:13px 16px;
    border-radius:12px;
    font-size:14px;
    background:rgba(24,184,122,.12);
    color:#0F8757;
    font-weight:700;
  }
  .form-msg.show{display:block;}

  /* ============ 页脚 ============ */
  .site-footer{
    background:var(--ink);
    color:rgba(255,255,255,.78);
    padding:64px 0 28px;
    position:relative;
    overflow:hidden;
  }
  .site-footer::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
    background-size:56px 56px;
    pointer-events:none;
  }
  .site-footer .container{position:relative;z-index:1;}
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1fr;
    gap:40px;
    padding-bottom:44px;
    border-bottom:1px solid rgba(255,255,255,.12);
  }
  .footer-brand{display:flex;flex-direction:column;gap:12px;}
  .footer-brand .logo-mark{width:44px;height:44px;}
  .footer-brand b{font-size:17px;color:#fff;}
  .footer-brand p{font-size:14px;color:rgba(255,255,255,.66);margin:0;line-height:1.8;}
  .footer-col h4{
    font-size:13px;
    color:var(--cyan);
    letter-spacing:.12em;
    margin-bottom:16px;
    font-weight:800;
  }
  .footer-col ul li{margin-bottom:10px;font-size:14px;}
  .footer-col ul li a{color:rgba(255,255,255,.78);transition:color .2s ease;}
  .footer-col ul li a:hover{color:var(--cyan);}
  .footer-col ul li span{color:rgba(255,255,255,.6);}
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    justify-content:space-between;
    padding-top:22px;
    font-size:13px;
    color:rgba(255,255,255,.5);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1200px){
    .metric-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
    .case-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .case-card.feature{grid-column:span 2;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  }
  @media (max-width:1024px){
    .hero-inner{grid-template-columns:1fr;gap:34px;padding:56px 0 62px;}
    .hero-panel{max-width:520px;}
    .faq-layout{grid-template-columns:1fr;gap:28px;}
    .cta-layout{grid-template-columns:1fr;gap:32px;}
    .quote-grid{grid-template-columns:1fr;gap:18px;}
    .compare-head{display:none;}
    .compare-row{
      grid-template-columns:1fr;
      gap:12px;
      padding:20px;
    }
    .compare-row .c-name span{margin-top:2px;}
  }
  @media (max-width:900px){
    .header-inner{flex-wrap:wrap;gap:12px;padding-top:12px;}
    .search-bar{order:3;flex:1 1 100%;}
    .menu-btn{display:inline-flex;}
    .header-actions .btn-primary{display:none;}
    .nav-row{
      flex-wrap:nowrap;
      overflow-x:auto;
      padding-bottom:12px;
      -webkit-overflow-scrolling:touch;
      scrollbar-width:none;
    }
    .nav-row::-webkit-scrollbar{display:none;}
    .nav-row.hidden-mobile{
      display:none;
    }
    .nav-row.open{display:flex;}
  }
  @media (max-width:768px){
    .container{padding:0 16px;}
    .section{padding:56px 0;}
    .section-tight{padding:44px 0;}
    .section-head h2{font-size:26px;}
    .case-grid{grid-template-columns:1fr;}
    .case-card.feature{grid-column:span 1;flex-direction:column;}
    .case-card.feature .case-media{flex:none;min-height:0;aspect-ratio:16/9;}
    .case-card.feature .case-title{font-size:21px;}
    .case-card.feature .case-body{padding:22px;}
    .metric-strip{grid-template-columns:1fr;}
    .metric-card .m-value{font-size:34px;}
    .field-row{grid-template-columns:1fr;}
    .form-card{padding:22px;}
    .faq-a p{padding-left:4px;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .footer-bottom{flex-direction:column;}
    .hero-cta .btn{width:100%;}
    .logo-text b{font-size:16px;}
  }
  @media (max-width:520px){
    .hero-inner{padding:44px 0 50px;}
    .hero-sub{font-size:15.5px;}
    .hero-trust{gap:14px;font-size:13px;}
    .case-title{font-size:18px;}
    .quote-card{padding:22px;}
    .section-head h2{font-size:23px;}
  }

/* roulang page: category3 */
:root{
  --primary:#6C4DF6;
  --primary-deep:#5636D8;
  --cyan:#2EE6C5;
  --coral:#FF7A59;
  --ink:#121018;
  --muted:#6F6A7D;
  --soft:#F8F6FF;
  --line:#E6E1F2;
  --ok:#18B87A;
  --warn:#F2A93B;
  --radius-card:18px;
  --radius-btn:12px;
  --shadow:0 8px 30px rgba(18,16,24,.08);
  --shadow-hover:0 14px 40px rgba(18,16,24,.14);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:#fff;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.3;font-weight:800;letter-spacing:-.01em}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);
  padding:13px 24px;
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .18s ease,box-shadow .22s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 24px rgba(108,77,246,.26)}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px);box-shadow:0 12px 30px rgba(108,77,246,.32)}
.btn-primary:active{transform:scale(.98)}
.btn-primary:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:#cbbffa;background:var(--soft);color:var(--primary-deep)}
.btn-ghost:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.btn-dark{background:#fff;color:var(--ink);border-color:transparent}
.btn-dark:hover{background:var(--cyan);color:var(--ink);transform:translateY(-1px)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:999px}
.btn-lg{padding:15px 30px;font-size:16px;border-radius:14px}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary-deep);
  text-decoration:underline;text-underline-offset:4px;
}
.btn-link:hover{color:var(--coral)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:22px;
  padding-top:14px;padding-bottom:14px;
}
.logo{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:42px;height:42px;border-radius:13px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 60%,#3b23a8 100%);
  color:#fff;font-weight:800;font-size:17px;letter-spacing:.02em;
  box-shadow:0 6px 18px rgba(108,77,246,.3);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:17px;font-weight:800;letter-spacing:-.01em}
.logo-text span{font-size:12px;color:var(--muted);letter-spacing:.06em}

.search-bar{
  flex:1 1 auto;max-width:600px;
  display:flex;align-items:center;gap:10px;
  background:var(--soft);
  border:1px solid var(--line);
  border-radius:999px;
  padding:8px 10px 8px 16px;
  color:var(--muted);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-bar:focus-within{border-color:var(--cyan);background:#fff;box-shadow:0 0 0 3px rgba(46,230,197,.22)}
.search-bar input[type="search"]{
  flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;
  font-size:15px;color:var(--ink);
}
.search-bar input[type="search"]::placeholder{color:#9d97ad}
.search-bar input[type="search"]::-webkit-search-cancel-button{display:none}
.search-clear{
  display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:50%;
  border:0;background:transparent;color:#a49dbb;cursor:pointer;
  transition:background .2s ease,color .2s ease;
}
.search-clear:hover{background:#ece7fb;color:var(--primary-deep)}
.search-submit{
  border:0;border-radius:999px;
  background:var(--primary);color:#fff;
  padding:8px 20px;font-size:14px;font-weight:600;cursor:pointer;
  transition:background .2s ease,transform .18s ease;
}
.search-submit:hover{background:var(--primary-deep)}
.search-submit:active{transform:scale(.97)}

.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.menu-btn{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.menu-btn:hover{background:var(--soft);border-color:#cbbffa;color:var(--primary-deep)}

.nav-row{
  display:flex;gap:8px;
  padding:0 0 12px;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-row::-webkit-scrollbar{display:none}
.nav-chip{
  white-space:nowrap;
  padding:7px 17px;border-radius:999px;
  font-size:14px;color:var(--muted);
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.nav-chip:hover{color:var(--primary-deep);background:var(--soft);border-color:var(--line)}
.nav-chip.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 6px 16px rgba(108,77,246,.24)}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding:18px 0 0}
.crumb{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--muted)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary-deep)}
.crumb-sep{color:#c9c3d6}
.crumb .current{color:var(--ink);font-weight:700}

/* ---------- 通用区块 ---------- */
.section{padding:76px 0}
.section-tight{padding:56px 0}
.section-soft{background:var(--soft)}
.section-ink{background:var(--ink);color:#fff}
.section-head{max-width:760px;margin-bottom:36px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--primary-deep);text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--cyan)}
.h2{font-size:32px;margin-bottom:14px}
.h3{font-size:21px;margin-bottom:10px}
.lead{font-size:16.5px;color:var(--muted);line-height:1.8}
.section-ink .lead{color:rgba(255,255,255,.72)}
.section-ink .eyebrow{color:var(--cyan)}

.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:999px;
  font-size:13.5px;font-weight:600;
  background:#fff;border:1px solid var(--line);color:var(--primary-deep);
}
.chip-soft{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:rgba(255,255,255,.9)}

/* ---------- 分类页 Hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:62px 0 68px}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.3;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(108deg,rgba(18,16,24,.95) 0%,rgba(18,16,24,.78) 52%,rgba(86,54,216,.62) 100%);
}
.cat-hero-inner{position:relative;z-index:2}
.cat-hero h1{
  font-size:44px;line-height:1.22;letter-spacing:-.02em;
  max-width:860px;margin-bottom:18px;
}
.cat-hero .hero-sub{
  font-size:17px;color:rgba(255,255,255,.78);
  max-width:660px;margin-bottom:26px;
}
.cat-hero .chip-row{margin-bottom:34px}
.hero-facts{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;max-width:720px;
  border-top:1px solid rgba(255,255,255,.14);
  padding-top:24px;
}
.fact-num{font-size:28px;font-weight:800;color:var(--cyan);font-variant-numeric:tabular-nums;line-height:1.2}
.fact-label{font-size:13.5px;color:rgba(255,255,255,.7)}

/* ---------- 筛选 ---------- */
.filter-bar{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;flex-wrap:wrap;
  padding:22px 24px;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
}
.filter-chips{display:flex;flex-wrap:wrap;gap:10px}
.filter-chip{
  padding:8px 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:600;color:var(--muted);cursor:pointer;
  transition:all .2s ease;
}
.filter-chip:hover{border-color:#cbbffa;color:var(--primary-deep);background:var(--soft)}
.filter-chip.active{background:var(--ink);border-color:var(--ink);color:#fff}
.filter-count{font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums}

/* ---------- 资源宽卡列表 ---------- */
.res-list{display:flex;flex-direction:column;gap:20px;margin-top:26px}
.res-row{
  display:grid;
  grid-template-columns:236px minmax(0,1fr) 148px;
  gap:26px;align-items:center;
  padding:20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.res-row:hover{border-color:#cbbffa;box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.res-thumb{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:14px;background:var(--soft);
}
.res-badge{
  display:inline-block;
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
  color:var(--primary-deep);
  background:var(--soft);
  border:1px solid var(--line);
  border-radius:999px;
  padding:3px 12px;margin-bottom:10px;
}
.res-title{font-size:19px;font-weight:800;line-height:1.45;margin-bottom:8px}
.res-row:hover .res-title{color:var(--primary-deep)}
.res-desc{font-size:14.8px;color:var(--muted);line-height:1.7;margin-bottom:12px}
.res-tags{display:flex;flex-wrap:wrap;gap:8px}
.res-tag{font-size:12.5px;color:var(--muted);background:var(--soft);border-radius:8px;padding:3px 10px}
.res-meta{text-align:right;border-left:1px dashed var(--line);padding-left:20px}
.res-meta .meta-label{font-size:12.5px;color:#9d97ad;display:block}
.res-meta .meta-value{font-size:14px;font-weight:700;margin-bottom:12px;display:block}
.res-empty{padding:40px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:var(--radius-card)}

/* ---------- 资料获取提示区 ---------- */
.asset-panel{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:38px;align-items:center;
}
.asset-list{display:flex;flex-direction:column;gap:16px;margin-top:26px}
.asset-item{display:flex;gap:14px;align-items:flex-start}
.asset-dot{
  flex-shrink:0;width:26px;height:26px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(46,230,197,.16);color:var(--cyan);font-size:13px;font-weight:800;
}
.asset-item p{font-size:15px;color:rgba(255,255,255,.78);line-height:1.7}
.asset-item strong{color:#fff;font-weight:700}
.asset-card{
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.14);
  border-radius:20px;
  padding:28px;
}
.asset-card h3{font-size:20px;margin-bottom:8px}
.asset-card p{font-size:14.5px;color:rgba(255,255,255,.7);margin-bottom:20px}
.asset-actions{display:flex;flex-direction:column;gap:12px}
.asset-note{
  margin-top:18px;font-size:13px;color:rgba(255,255,255,.55);
  border-top:1px solid rgba(255,255,255,.12);padding-top:16px;
}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:48px;align-items:start}
.faq-side{position:sticky;top:120px}
.faq-side .h2{margin-bottom:16px}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#d3c8fb;box-shadow:var(--shadow)}
.faq-q{
  display:flex;align-items:center;gap:14px;
  padding:19px 22px;min-height:62px;
  cursor:pointer;list-style:none;font-size:16.5px;font-weight:700;
}
.faq-q::-webkit-details-marker{display:none}
.faq-idx{
  flex-shrink:0;width:26px;height:26px;border-radius:9px;
  background:var(--soft);color:var(--primary-deep);
  display:flex;align-items:center;justify-content:center;
  font-size:12.5px;font-weight:800;font-variant-numeric:tabular-nums;
}
.faq-plus{
  margin-left:auto;flex-shrink:0;color:var(--primary);
  transition:transform .25s ease;
}
.faq-item[open] .faq-plus{transform:rotate(45deg)}
.faq-a{padding:0 24px 22px 62px;font-size:15.5px;color:var(--muted);line-height:1.8}

/* ---------- CTA / 表单 ---------- */
.cta-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:44px;align-items:start;
}
.cta-points{display:flex;flex-direction:column;gap:18px;margin-top:26px}
.cta-point{display:flex;gap:14px;align-items:flex-start}
.cta-point .num{
  flex-shrink:0;width:30px;height:30px;border-radius:10px;
  background:var(--soft);color:var(--primary-deep);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;
}
.cta-point p{font-size:15px;color:var(--muted);line-height:1.7}
.cta-point strong{color:var(--ink)}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:30px;box-shadow:var(--shadow);
}
.form-card h3{font-size:20px;margin-bottom:6px}
.form-card .form-hint{font-size:13.8px;color:var(--muted);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.8px;font-weight:700;margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;
  border:1px solid var(--line);border-radius:12px;
  background:#fff;font-size:15px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(46,230,197,.22);
}
.field textarea{min-height:104px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#a9a3b8}
.check-row{display:flex;gap:10px;align-items:flex-start;margin:6px 0 20px}
.check-row input{margin-top:5px;accent-color:var(--primary);width:16px;height:16px}
.check-row span{font-size:13.4px;color:var(--muted);line-height:1.6}
.form-tip{
  margin-top:14px;padding:12px 16px;border-radius:12px;
  background:rgba(24,184,122,.1);border:1px solid rgba(24,184,122,.3);
  color:#0f7d52;font-size:14px;font-weight:600;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#fff;padding:64px 0 28px;margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:38px;padding-bottom:38px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .logo-mark{margin-bottom:14px}
.footer-brand b{display:block;font-size:17px;margin-bottom:12px}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.66);line-height:1.8;max-width:340px}
.footer-col h4{font-size:14px;color:var(--cyan);letter-spacing:.06em;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .cat-hero h1{font-size:38px}
  .res-row{grid-template-columns:200px minmax(0,1fr);gap:22px}
  .res-meta{
    grid-column:1/-1;text-align:left;
    border-left:0;border-top:1px dashed var(--line);
    padding-left:0;padding-top:14px;
    display:flex;gap:26px;align-items:center;
  }
  .res-meta .meta-value{margin-bottom:0}
  .faq-layout{gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}

@media (max-width:900px){
  .header-inner{flex-wrap:wrap;gap:14px}
  .logo{order:1}
  .header-actions{order:2;margin-left:auto}
  .search-bar{order:3;flex:1 1 100%;max-width:none}
  .menu-btn{display:inline-flex}
  .nav-row{display:none;padding-top:2px}
  .nav-row.open{display:flex}
  .cat-hero{padding:48px 0 54px}
  .cat-hero h1{font-size:32px}
  .hero-facts{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
  .fact-num{font-size:22px}
  .section{padding:58px 0}
  .section-tight{padding:44px 0}
  .h2{font-size:26px}
  .asset-panel{grid-template-columns:1fr;gap:30px}
  .faq-layout{grid-template-columns:1fr;gap:26px}
  .faq-side{position:static}
  .cta-wrap{grid-template-columns:1fr;gap:30px}
}

@media (max-width:640px){
  .container{padding:0 16px}
  .logo-text span{display:none}
  .search-submit{padding:8px 14px;font-size:13px}
  .cat-hero h1{font-size:28px}
  .cat-hero .hero-sub{font-size:15.5px}
  .hero-facts{grid-template-columns:1fr;gap:16px;padding-top:20px}
  .res-row{grid-template-columns:1fr;gap:16px;padding:16px}
  .res-thumb{aspect-ratio:16/9}
  .res-meta{flex-wrap:wrap;gap:14px}
  .res-meta .meta-label{margin-right:6px}
  .section{padding:48px 0}
  .h2{font-size:23px}
  .faq-q{font-size:15.5px;padding:16px 18px}
  .faq-a{padding:0 18px 18px 18px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category4 */
:root{
  --primary:#6C4DF6;
  --primary-dark:#5636D8;
  --primary-soft:#F1EDFF;
  --cyan:#2EE6C5;
  --coral:#FF7A59;
  --ink:#121018;
  --muted:#6F6A7D;
  --bg:#F8F6FF;
  --surface:#FFFFFF;
  --line:#E6E1F2;
  --ok:#18B87A;
  --warn:#F2A93B;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 8px 30px rgba(18,16,24,.08);
  --sh-2:0 14px 40px rgba(18,16,24,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ============ 头部与导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:0 2px 14px rgba(18,16,24,.04)}
.header-inner{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:28px;padding:14px 24px}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;letter-spacing:-.03em;box-shadow:0 6px 18px rgba(108,77,246,.3);flex:0 0 auto}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text b{font-size:17px;font-weight:800;letter-spacing:-.01em}
.logo-text span{font-size:11px;color:var(--muted);letter-spacing:.16em}
.search-bar{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding:7px 7px 7px 18px;min-width:0;transition:border-color .2s,box-shadow .2s}
.search-bar:focus-within{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(46,230,197,.22)}
.search-bar > svg{color:var(--muted);flex:0 0 auto}
.search-bar input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;font-size:15px;padding:6px 0}
.search-bar input::placeholder{color:#A9A4B8}
.search-clear{width:26px;height:26px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:var(--muted);flex:0 0 auto;transition:background .2s,color .2s}
.search-clear:hover{background:var(--primary-soft);color:var(--primary)}
.search-submit{background:var(--primary);color:#fff;border-radius:var(--r-pill);padding:9px 22px;font-weight:700;font-size:14px;flex:0 0 auto;transition:background .2s,transform .2s}
.search-submit:hover{background:var(--primary-dark)}
.search-submit:active{transform:scale(.98)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.menu-btn{display:none;width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line);align-items:center;justify-content:center;color:var(--ink);transition:background .2s,border-color .2s}
.menu-btn:hover{background:var(--primary-soft);border-color:#D8CFFF}
.nav-row{display:flex;flex-wrap:wrap;gap:8px;padding:0 24px 12px}
.nav-chip{display:inline-flex;align-items:center;padding:8px 16px;border-radius:var(--r-pill);font-size:14px;font-weight:600;color:var(--muted);white-space:nowrap;transition:background .2s,color .2s}
.nav-chip:hover{background:var(--primary-soft);color:var(--primary)}
.nav-chip.active{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(108,77,246,.26)}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--r-pill);font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;transition:background .22s,color .22s,transform .22s,box-shadow .22s,border-color .22s;text-align:center}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 14px 30px rgba(108,77,246,.3)}
.btn-primary:active{transform:scale(.98)}
.btn-primary:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--primary-soft);border-color:#D8CFFF;color:var(--primary-dark)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7)}
.btn-sm{padding:9px 18px;font-size:14px}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:26px}
.breadcrumb a{color:rgba(255,255,255,.72);transition:color .2s}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.breadcrumb b{color:#fff;font-weight:700}

/* ============ Hero ============ */
.page-hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:52px 0 64px}
.page-hero::before{content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.png");background-size:cover;background-position:center;opacity:.3}
.page-hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:64px 64px;pointer-events:none}
.page-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--cyan);text-transform:uppercase;margin-bottom:16px}
.hero-eyebrow::before{content:"";width:26px;height:2px;background:var(--cyan);border-radius:2px}
.hero-title{font-size:46px;line-height:1.18;font-weight:800;letter-spacing:-.02em;margin-bottom:18px}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.78);max-width:600px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#EAE7F7;font-size:13px;transition:background .2s,border-color .2s,color .2s}
.chip:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.34);color:#fff}
.hero-panel{background:#1B1826;border:1px solid rgba(255,255,255,.12);border-radius:var(--r-lg);padding:26px;box-shadow:0 20px 50px rgba(0,0,0,.35)}
.panel-search{display:flex;align-items:center;gap:10px;background:#fff;border-radius:var(--r-pill);padding:12px 18px;color:var(--ink)}
.panel-search svg{color:var(--primary);flex:0 0 auto}
.panel-search input{flex:1;min-width:0;border:0;outline:none;background:transparent;font-size:15px}
.panel-search input::placeholder{color:#A9A4B8}
.panel-label{font-size:12px;letter-spacing:.14em;color:rgba(255,255,255,.5);margin:22px 0 12px;font-weight:700}
.panel-tags{display:flex;flex-wrap:wrap;gap:9px}
.panel-tags a{display:inline-flex;padding:7px 13px;border-radius:var(--r-pill);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);color:#DDD8EF;font-size:13px;transition:.2s}
.panel-tags a:hover{background:var(--primary);border-color:var(--primary);color:#fff}
.panel-note{margin-top:20px;padding-top:18px;border-top:1px dashed rgba(255,255,255,.16);font-size:13px;color:rgba(255,255,255,.55);line-height:1.7}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:44px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--primary);text-transform:uppercase;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);border-radius:2px}
.section-title{font-size:34px;letter-spacing:-.02em}
.section-desc{font-size:16px;color:var(--muted);max-width:660px;margin-top:14px;line-height:1.8}
.section-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--primary);text-decoration:underline;text-underline-offset:4px;transition:color .2s}
.section-link:hover{color:var(--primary-dark)}

/* ============ 指标带 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--sh-1);transition:transform .25s,box-shadow .25s,border-color .25s}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D8CFFF}
.stat-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.stat-icon{width:38px;height:38px;border-radius:var(--r-sm);background:var(--primary-soft);color:var(--primary);display:inline-flex;align-items:center;justify-content:center}
.stat-tag{font-size:12px;font-weight:700;color:var(--primary);background:var(--primary-soft);border-radius:var(--r-pill);padding:4px 11px}
.stat-value{font-size:38px;font-weight:800;line-height:1.05;letter-spacing:-.03em;color:var(--ink);font-variant-numeric:tabular-nums}
.stat-unit{font-size:15px;font-weight:700;color:var(--muted);margin-left:6px}
.stat-label{font-size:15px;font-weight:700;margin-top:10px}
.stat-note{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.7}

/* ============ 分类标签页 ============ */
.tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.tab{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;font-size:14px;font-weight:700;color:var(--muted);transition:background .2s,color .2s,border-color .2s,box-shadow .2s}
.tab:hover{border-color:#D8CFFF;color:var(--primary);background:var(--primary-soft)}
.tab.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(108,77,246,.26)}
.tab-count{font-size:12px;font-weight:700;opacity:.75}

/* ============ FAQ 手风琴 ============ */
.faq-group{display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-item:hover{border-color:#D8CFFF}
.faq-item.open{border-color:var(--primary);box-shadow:0 12px 30px rgba(108,77,246,.12)}
.faq-q{width:100%;display:flex;align-items:center;gap:16px;padding:20px 24px;text-align:left;font-size:17px;font-weight:700;line-height:1.5;min-height:64px;color:var(--ink)}
.faq-num{flex:0 0 auto;width:30px;height:30px;border-radius:9px;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:800;display:inline-flex;align-items:center;justify-content:center}
.faq-item.open .faq-num{background:var(--primary);color:#fff}
.faq-icon{flex:0 0 auto;margin-left:auto;width:26px;height:26px;border-radius:50%;background:var(--primary-soft);color:var(--primary);display:inline-flex;align-items:center;justify-content:center;transition:transform .28s,background .28s,color .28s}
.faq-item.open .faq-icon{transform:rotate(135deg);background:var(--primary);color:#fff}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a-inner p{padding:0 24px 22px 70px;color:var(--muted);font-size:15.5px;line-height:1.85;margin:0}

/* ============ 支持流程 ============ */
.flow-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:52px;align-items:center}
.flow-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);position:relative}
.flow-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.flow-media::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(108,77,246,.28),rgba(18,16,24,.35))}
.flow-badge{position:absolute;left:22px;bottom:22px;z-index:2;background:rgba(18,16,24,.82);color:#fff;border-radius:var(--r-sm);padding:12px 16px;font-size:13px;line-height:1.6}
.flow-badge b{display:block;font-size:15px;color:var(--cyan)}
.flow-list{display:grid;gap:16px}
.flow-card{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 24px;box-shadow:var(--sh-1);transition:transform .25s,box-shadow .25s,border-color .25s}
.flow-card:hover{transform:translateX(4px);box-shadow:var(--sh-2);border-color:#D8CFFF}
.flow-step{flex:0 0 auto;width:44px;height:44px;border-radius:14px;background:var(--ink);color:var(--cyan);font-weight:800;font-size:16px;display:inline-flex;align-items:center;justify-content:center}
.flow-card h3{font-size:18px;margin-bottom:6px}
.flow-card p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0}

/* ============ 表单 ============ */
.contact-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:52px;align-items:start}
.value-list{display:grid;gap:16px;margin-top:28px}
.value-item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px 20px;box-shadow:var(--sh-1)}
.value-check{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:rgba(46,230,197,.18);color:#0E9C7C;display:inline-flex;align-items:center;justify-content:center;margin-top:2px}
.value-item h3{font-size:16px;margin-bottom:4px}
.value-item p{font-size:14px;color:var(--muted);line-height:1.75;margin:0}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:34px;box-shadow:var(--sh-1)}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}
.field label .req{color:var(--coral);margin-left:3px}
.input,.select,.textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;font-size:15px;transition:border-color .2s,box-shadow .2s}
.input::placeholder,.textarea::placeholder{color:#A9A4B8}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(46,230,197,.22)}
.input.is-error,.select.is-error,.textarea.is-error{border-color:var(--coral);box-shadow:0 0 0 3px rgba(255,122,89,.16)}
.textarea{min-height:128px;resize:vertical;line-height:1.75}
.field-err{display:none;font-size:13px;color:var(--coral);margin-top:6px}
.field-err.show{display:block}
.check-row{display:flex;gap:12px;align-items:flex-start;margin:6px 0 22px}
.check-row input{width:18px;height:18px;margin-top:4px;accent-color:var(--primary);flex:0 0 auto}
.check-row span{font-size:13.5px;color:var(--muted);line-height:1.7}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.form-hint{font-size:13px;color:var(--muted)}
.alert{display:none;margin-bottom:22px;padding:14px 18px;border-radius:var(--r-sm);font-size:14.5px;line-height:1.7}
.alert.show{display:block}
.alert-ok{background:rgba(24,184,122,.1);border:1px solid rgba(24,184,122,.35);color:#0E7A53}
.alert-err{background:rgba(255,122,89,.1);border:1px solid rgba(255,122,89,.38);color:#B8452A}

/* ============ 入口卡片 ============ */
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.entry-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .28s,box-shadow .28s,border-color .28s}
.entry-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:#D8CFFF}
.entry-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.entry-card:hover .entry-thumb img{transform:scale(1.05)}
.badge{position:absolute;left:16px;top:16px;background:rgba(18,16,24,.82);color:#fff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:var(--r-pill)}
.entry-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.entry-body h3{font-size:19px;line-height:1.45;transition:color .2s}
.entry-card:hover .entry-body h3{color:var(--primary)}
.entry-body p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0}
.entry-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-top:auto;padding-top:8px}
.entry-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--primary);text-decoration:underline;text-underline-offset:4px}
.entry-link:hover{color:var(--primary-dark)}

/* ============ CTA 条 ============ */
.cta-band{background:var(--ink);color:#fff;border-radius:var(--r-lg);padding:52px 48px;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:56px 56px}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-inner h2{font-size:30px;letter-spacing:-.02em;margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15.5px;max-width:620px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#EDEAF6;padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo-mark{margin-bottom:14px}
.footer-brand b{display:block;font-size:19px;color:#fff;margin-bottom:12px}
.footer-brand p{color:#A8A2BD;font-size:14px;line-height:1.85;margin:0}
.footer-col h4{font-size:14px;font-weight:700;color:var(--cyan);letter-spacing:.08em;margin-bottom:18px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:#C9C4DC;font-size:14px;transition:color .2s}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-col span{color:#A8A2BD;font-size:14px}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding-top:24px;font-size:13px;color:#8C86A3}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero-title{font-size:40px}
  .section{padding:76px 0}
}
@media (max-width:1023px){
  .header-inner{grid-template-columns:auto minmax(0,1fr);gap:16px}
  .header-actions{grid-column:auto;justify-self:end}
  .search-bar{grid-column:1/-1;order:5}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-panel{max-width:640px}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-grid,.contact-grid{grid-template-columns:1fr;gap:36px}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px}
  .section-title{font-size:29px}
}
@media (max-width:900px){
  .menu-btn{display:inline-flex}
  .nav-row{display:flex;flex-wrap:nowrap;overflow-x:auto;padding-bottom:14px;-webkit-overflow-scrolling:touch;scrollbar-width:thin}
  .nav-row.open{flex-wrap:wrap;overflow:visible}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .header-inner{padding:12px 16px;gap:14px}
  .nav-row{padding:0 16px 12px}
  .page-hero{padding:40px 0 52px}
  .hero-title{font-size:32px}
  .hero-sub{font-size:15.5px}
  .section{padding:56px 0}
  .section-head{margin-bottom:30px}
  .section-title{font-size:25px}
  .stat-grid{grid-template-columns:1fr;gap:16px}
  .entry-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:24px}
  .cta-band{padding:34px 24px}
  .cta-inner h2{font-size:23px}
  .faq-q{font-size:15.5px;padding:18px 18px;gap:12px}
  .faq-num{width:26px;height:26px;font-size:12px}
  .faq-a-inner p{padding:0 18px 20px 56px;font-size:15px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:52px 0 24px}
}
@media (max-width:520px){
  .hero-title{font-size:29px}
  .hero-actions .btn{width:100%}
  .stat-value{font-size:32px}
  .search-submit{padding:9px 16px}
  .logo-text b{font-size:16px}
  .logo-text span{font-size:10px;letter-spacing:.12em}
}