/* roulang page: index */
:root{
  --brand:#0FD69C;
  --brand-deep:#0BA97A;
  --brand-soft:rgba(15,214,156,.13);
  --accent:#FF6A2C;
  --accent-soft:rgba(255,106,44,.13);
  --lemon:#D9FF54;
  --ink:#0B1118;
  --bg:#F5F7FA;
  --card:#FFFFFF;
  --text:#101828;
  --muted:#5B6678;
  --line:#E4E8EF;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 8px 24px rgba(17,24,39,.08);
  --shadow-hover:0 16px 36px rgba(17,24,39,.15);
  --container:1240px;
  --num-font:"DIN Alternate","Barlow","Helvetica Neue",Arial,sans-serif;
}
*,*::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",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
p{margin:0 0 16px;}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.35;font-weight:800;letter-spacing:-.4px;}
h1{font-size:clamp(32px,5vw,56px);}
h2{font-size:clamp(24px,3vw,34px);}
h3{font-size:21px;}
ul{margin:0;padding:0;list-style:none;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:8px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-dark{background:var(--ink);color:#fff;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:44px;}
.section-head .sh-main{max-width:720px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:700;letter-spacing:.14em;
  color:var(--brand-deep);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px;}
.section-dark .eyebrow{color:var(--brand);}
.lead{font-size:17px;color:var(--muted);line-height:1.9;margin:0;}
.section-dark .lead{color:rgba(255,255,255,.72);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;border:1px solid transparent;
  font-weight:700;font-size:16px;line-height:1.2;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-sm{padding:10px 20px;font-size:15px;}
.btn-primary{background:var(--brand);color:var(--ink);box-shadow:0 10px 24px rgba(15,214,156,.32);}
.btn-primary:hover{background:#0bc78f;transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,214,156,.4);}
.btn-ghost-light{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.45);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
.btn-outline{border-color:var(--brand);color:var(--brand-deep);background:transparent;}
.btn-outline:hover{background:var(--brand-soft);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#1b2431;transform:translateY(-2px);}
.link-btn{font-size:15.5px;font-weight:600;color:#31394a;padding:8px 6px;border-radius:8px;}
.link-btn:hover{color:var(--brand-deep);}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15.5px;color:var(--brand-deep);}
.text-link span{transition:transform .2s ease;}
.text-link:hover span{transform:translateX(4px);}

/* 徽章与标签 */
.badge,.chip{display:inline-flex;align-items:center;gap:6px;border-radius:999px;font-weight:700;line-height:1;}
.badge{font-size:12.5px;padding:6px 11px;}
.badge-up{background:var(--brand-soft);color:#078a63;}
.badge-accent{background:var(--accent-soft);color:#c04a15;}
.badge-neutral{background:#EEF1F6;color:#5B6678;}
.chip{font-size:13px;padding:7px 13px;background:#F1F4F9;color:#4A5568;letter-spacing:.02em;}
.chip-brand{background:var(--brand-soft);color:#078a63;}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,247,250,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:74px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.3px;white-space:nowrap;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;flex:0 0 36px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--lemon) 100%);
  display:grid;place-items:center;color:var(--ink);
  box-shadow:0 6px 16px rgba(15,214,156,.32);
}
.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-menu a{
  padding:9px 14px;border-radius:999px;font-size:15.5px;font-weight:600;color:#3A4356;
  white-space:nowrap;
}
.nav-menu a:hover{color:var(--ink);background:#fff;box-shadow:0 4px 14px rgba(17,24,39,.07);}
.nav-menu a.active{color:#078a63;background:var(--brand-soft);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search{
  display:flex;align-items:center;gap:9px;background:#fff;
  border:1px solid var(--line);border-radius:999px;padding:9px 16px;width:225px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);}
.search i{color:#98A2B3;font-size:14px;}
.search input{border:0;outline:0;background:transparent;width:100%;font-size:14.5px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;padding:0;place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;margin:3px auto;}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:96px 0 88px;}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42;}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(11,17,24,.94) 0%,rgba(11,17,24,.82) 46%,rgba(11,17,24,.62) 100%);
}
.hero-inner{position:relative;z-index:2;}
.hero h1{color:#fff;margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--lemon);}
.hero-sub{font-size:17.5px;color:rgba(255,255,255,.8);max-width:620px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-points{display:flex;flex-wrap:wrap;gap:14px 26px;font-size:15px;color:rgba(255,255,255,.72);}
.hero-points li{display:flex;align-items:center;gap:8px;}
.hero-points i{color:var(--brand);}

.hero-panel{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-xl);
  padding:26px;
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:0 24px 60px rgba(0,0,0,.36);
}
.panel-head{display:flex;align-items:center;gap:10px;font-size:14.5px;font-weight:700;color:rgba(255,255,255,.86);margin-bottom:20px;}
.dot-live{width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 5px rgba(15,214,156,.2);animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{box-shadow:0 0 0 5px rgba(15,214,156,.2);}50%{box-shadow:0 0 0 10px rgba(15,214,156,.05);}}
.panel-tag{margin-left:auto;font-size:12.5px;font-weight:700;padding:5px 11px;border-radius:999px;background:rgba(217,255,84,.18);color:var(--lemon);}
.panel-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:22px;}
.pm{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-md);padding:14px;}
.pm-label{display:block;font-size:12.5px;color:rgba(255,255,255,.6);margin-bottom:6px;}
.pm-num{font-family:var(--num-font);font-variant-numeric:tabular-nums;font-size:28px;font-weight:800;line-height:1;color:#fff;}
.spark{display:flex;align-items:flex-end;gap:7px;height:88px;padding:0 2px 0;border-bottom:1px solid rgba(255,255,255,.14);}
.spark i{flex:1;background:linear-gradient(180deg,var(--brand) 0%,rgba(15,214,156,.28) 100%);border-radius:6px 6px 0 0;min-height:8px;}
.spark i:nth-child(3n){background:linear-gradient(180deg,var(--lemon) 0%,rgba(217,255,84,.22) 100%);}
.spark-axis{display:flex;justify-content:space-between;font-size:12px;color:rgba(255,255,255,.48);margin-top:10px;letter-spacing:.06em;}

/* 指标看板 */
.kpi-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;height:100%;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.kpi-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(15,214,156,.5);}
.kpi-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px;}
.kpi-name{font-size:15px;font-weight:600;color:var(--muted);}
.kpi-num{font-family:var(--num-font);font-variant-numeric:tabular-nums;font-size:44px;font-weight:800;line-height:1;color:var(--ink);letter-spacing:-1px;}
.kpi-num .unit{font-size:19px;font-weight:700;color:var(--muted);margin-left:4px;letter-spacing:0;}
.kpi-bars{display:flex;align-items:flex-end;gap:5px;height:44px;margin:18px 0 14px;}
.kpi-bars i{flex:1;background:linear-gradient(180deg,rgba(15,214,156,.85),rgba(15,214,156,.22));border-radius:4px 4px 0 0;min-height:6px;}
.kpi-bars i:nth-child(even){background:linear-gradient(180deg,rgba(217,255,84,.95),rgba(217,255,84,.3));}
.kpi-note{font-size:14.5px;color:var(--muted);margin:0;line-height:1.75;}

/* Bento 服务矩阵 */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;}
.bento-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:26px;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  overflow:hidden;
}
.bento-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(15,214,156,.55);}
.bento-main{grid-column:span 3;grid-row:span 2;padding:0;background:var(--card);}
.bento-main .bento-media{position:relative;height:220px;overflow:hidden;}
.bento-main .bento-media img{width:100%;height:100%;object-fit:cover;}
.bento-main .bento-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,17,24,.05) 40%,rgba(11,17,24,.55) 100%);}
.bento-main .bento-body{padding:26px;}
.bento-a,.bento-b{grid-column:span 3;}
.bento-c,.bento-d,.bento-e{grid-column:span 2;}
.bento-card h3{margin:14px 0 10px;font-size:21px;}
.bento-card p{font-size:15.5px;color:var(--muted);margin-bottom:18px;}
.bento-card .text-link{margin-top:auto;}
.ico{
  width:48px;height:48px;border-radius:15px;display:grid;place-items:center;
  background:var(--brand-soft);color:#078a63;font-size:19px;flex:0 0 48px;
}
.ico-accent{background:var(--accent-soft);color:#c04a15;}
.ico-dark{background:#EDF1F7;color:#31394a;}
.bento-thumb{border-radius:var(--r-md);overflow:hidden;height:150px;margin-bottom:6px;}
.bento-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.bento-card:hover .bento-thumb img{transform:scale(1.04);}
.mini-list{margin-top:6px;}
.mini-list li{display:flex;align-items:flex-start;gap:9px;font-size:14.5px;color:var(--muted);padding:7px 0;border-bottom:1px dashed var(--line);}
.mini-list li:last-child{border-bottom:0;}
.mini-list i{color:var(--brand-deep);margin-top:5px;font-size:12px;}

/* 内容列表 */
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(15,214,156,.55);}
.news-thumb{display:block;height:186px;overflow:hidden;position:relative;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap;}
.badge-soft{display:inline-flex;align-items:center;font-size:12.5px;font-weight:700;padding:6px 11px;border-radius:999px;background:var(--brand-soft);color:#078a63;}
.news-time{font-size:13.5px;color:#98A2B3;font-variant-numeric:tabular-nums;}
.news-title{font-size:18.5px;line-height:1.55;margin:0 0 10px;font-weight:700;}
.news-title a:hover{color:var(--brand-deep);}
.news-sum{font-size:15px;color:var(--muted);margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-body .text-link{margin-top:auto;}
.empty-state{
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-xl);
  padding:56px 28px;text-align:center;color:var(--muted);
}
.empty-state p{margin-bottom:18px;font-size:16px;}

/* 结果对比 */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-col{border-radius:var(--r-xl);padding:30px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);}
.compare-col.is-plain{background:#F0F2F6;color:#4A5568;box-shadow:none;}
.compare-col.is-brand{background:var(--ink);color:#fff;border-color:rgba(15,214,156,.4);box-shadow:0 20px 46px rgba(11,17,24,.28);}
.compare-col h3{font-size:22px;margin-bottom:8px;}
.compare-col .cc-sub{font-size:14.5px;color:var(--muted);margin-bottom:24px;}
.compare-col.is-brand .cc-sub{color:rgba(255,255,255,.66);}
.bar-row{margin-bottom:20px;}
.bar-row .bar-top{display:flex;justify-content:space-between;font-size:14.5px;margin-bottom:8px;}
.bar-track{height:10px;border-radius:999px;background:#E6EAF1;overflow:hidden;}
.compare-col.is-brand .bar-track{background:rgba(255,255,255,.14);}
.bar-fill{height:100%;border-radius:999px;background:#AFB9C8;}
.bar-fill.is-brand{background:linear-gradient(90deg,var(--brand),var(--lemon));}
.bar-num{font-family:var(--num-font);font-variant-numeric:tabular-nums;font-weight:800;}
.check-list li{display:flex;gap:10px;font-size:15px;padding:8px 0;color:inherit;opacity:.92;}
.check-list i{color:var(--accent);margin-top:6px;}
.compare-col.is-brand .check-list i{color:var(--brand);}

/* FAQ */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:24px 44px 24px 0;position:relative;
  font-size:18px;font-weight:700;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:30px;height:30px;border-radius:50%;background:#EEF1F6;color:#4A5568;
  display:grid;place-items:center;font-size:18px;font-weight:700;transition:background-color .2s ease,color .2s ease,transform .25s ease;
}
.faq-item[open] summary::after{content:"–";background:var(--brand);color:var(--ink);transform:translateY(-50%) rotate(180deg);}
.faq-item .faq-answer{padding:0 60px 26px 0;color:var(--muted);font-size:16px;}
.faq-item summary:hover{color:var(--brand-deep);}

/* 表单区 */
.contact-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);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:14.5px;font-weight:600;color:#3A4356;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);background:#FBFCFE;border-radius:var(--r-sm);
  padding:13px 15px;font-size:15.5px;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{min-height:118px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px var(--brand-soft);
}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted);}
.agree input{margin-top:5px;width:17px;height:17px;accent-color:var(--brand);}
.trust-card{background:var(--ink);color:#fff;border-radius:var(--r-xl);padding:34px;box-shadow:0 20px 46px rgba(11,17,24,.26);}
.trust-card h3{color:#fff;}
.trust-card p{color:rgba(255,255,255,.72);font-size:15.5px;}
.trust-list{margin:22px 0 26px;}
.trust-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:15px;color:rgba(255,255,255,.86);}
.trust-list li:last-child{border-bottom:0;}
.trust-list i{color:var(--brand);margin-top:6px;}
.trust-meta{display:flex;flex-direction:column;gap:8px;font-size:14.5px;color:rgba(255,255,255,.6);}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:72px 0 34px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:#fff;margin-bottom:16px;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;font-weight:700;}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:15px;color:rgba(255,255,255,.7);}
.footer-links a:hover{color:var(--brand);}
.footer-note{font-size:14.5px;line-height:1.85;max-width:340px;}
.footer-note strong{color:#fff;}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.5px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--brand);}
.footer-contact li{font-size:15px;margin-bottom:12px;display:flex;gap:10px;}
.footer-contact i{color:var(--brand);margin-top:6px;}

/* 响应式 */
@media (max-width:1199px){
  .search{width:180px;}
  .nav-menu a{padding:9px 11px;font-size:15px;}
}
@media (max-width:991px){
  .section{padding:68px 0;}
  .hero{padding:70px 0 64px;}
  .nav-toggle{display:grid;}
  .nav-menu{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;padding:14px 20px 22px;border-bottom:1px solid var(--line);
    box-shadow:0 18px 36px rgba(17,24,39,.12);
  }
  .site-header.nav-open .nav-menu{display:flex;}
  .nav-menu a{padding:13px 12px;border-radius:12px;font-size:16px;}
  .nav-right{gap:10px;}
  .search,.link-btn{display:none;}
  .bento{grid-template-columns:repeat(2,1fr);}
  .bento-main,.bento-a,.bento-b,.bento-c,.bento-d,.bento-e{grid-column:span 2;grid-row:auto;}
  .compare{grid-template-columns:1fr;}
  .contact-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .hero-panel{margin-top:34px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  body{font-size:16px;}
  .section-head{margin-bottom:30px;}
  .hero h1{font-size:clamp(28px,7vw,38px);}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .panel-metrics{grid-template-columns:1fr;}
  .spark{height:64px;}
  .kpi-num{font-size:38px;}
  .form-grid{grid-template-columns:1fr;}
  .form-card,.trust-card{padding:24px;}
  .faq-item summary{font-size:16.5px;padding:20px 40px 20px 0;}
  .faq-item .faq-answer{padding:0 20px 22px 0;}
  .footer-grid{grid-template-columns:1fr;}
  .news-thumb{height:170px;}
}
@media (max-width:520px){
  .bento{grid-template-columns:1fr;}
  .bento-main,.bento-a,.bento-b,.bento-c,.bento-d,.bento-e{grid-column:span 1;}
  .compare-col{padding:22px;}
  .kpi-card{padding:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --primary:#0FD69C;
  --primary-deep:#0BB884;
  --primary-soft:#E4FBF3;
  --accent:#FF6A2C;
  --accent-soft:#FFF0E8;
  --lemon:#D9FF54;
  --dark:#0B1118;
  --dark-2:#141C26;
  --bg:#F5F7FA;
  --card:#FFFFFF;
  --text:#101828;
  --muted:#5B6678;
  --border:#E4E8EF;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(17,24,39,.08);
  --shadow-hover:0 16px 38px rgba(17,24,39,.14);
  --container:1240px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -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-color .2s ease;}
a:hover{color:var(--primary-deep);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.32;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-family:"DIN Alternate","Barlow","Inter",ui-monospace,monospace;font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(245,247,250,.92);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{display:flex;align-items:center;gap:22px;height:74px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--text);white-space:nowrap;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),#48E9BE);color:#08211A;
  box-shadow:0 6px 16px rgba(15,214,156,.35);
}
.brand-text{letter-spacing:.3px;}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-menu a{
  position:relative;padding:8px 14px;border-radius:999px;font-size:15.5px;font-weight:500;color:var(--muted);
}
.nav-menu a::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:0;height:3px;border-radius:99px;background:var(--primary);transition:width .22s ease;
}
.nav-menu a:hover{color:var(--text);background:rgba(15,214,156,.08);}
.nav-menu a:hover::after,.nav-menu a.active::after{width:22px;}
.nav-menu a.active{color:var(--text);font-weight:700;background:var(--primary-soft);}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search{
  display:flex;align-items:center;gap:8px;height:42px;padding:0 16px;
  background:#fff;border:1px solid var(--border);border-radius:999px;min-width:210px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search i{color:var(--muted);font-size:14px;}
.search input{border:0;background:transparent;outline:none;width:100%;font-size:14.5px;color:var(--text);}
.search input::placeholder{color:#9AA4B2;}
.search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(15,214,156,.14);}
.link-btn{font-size:15px;font-weight:600;color:var(--muted);padding:8px 6px;}
.link-btn:hover{color:var(--primary-deep);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;padding:13px 26px;
  font-size:15.5px;font-weight:700;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--primary);color:#08211A;box-shadow:0 10px 22px rgba(15,214,156,.32);}
.btn-primary:hover{background:var(--primary-deep);color:#04170F;transform:translateY(-2px);box-shadow:0 16px 30px rgba(15,214,156,.38);}
.btn-ghost{background:transparent;color:var(--primary-deep);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);transform:translateY(-2px);}
.btn-dark{background:var(--dark);color:#fff;}
.btn-dark:hover{background:var(--dark-2);color:#fff;transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14.5px;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;
  background:#fff;border:1px solid var(--border);border-radius:12px;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;width:18px;margin:0 auto;background:var(--text);border-radius:99px;}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--border);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);padding:14px 0;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary-deep);}
.crumb i{font-size:10px;color:#B6BFCB;}
.crumb .current{color:var(--text);font-weight:600;}

/* ---------- article head ---------- */
.article-head{padding:56px 0 40px;}
.head-inner{max-width:900px;}
.badge{
  display:inline-flex;align-items:center;gap:7px;padding:6px 15px;border-radius:999px;
  font-size:13.5px;font-weight:700;background:var(--primary-soft);color:#087A5A;border:1px solid rgba(15,214,156,.32);
}
.badge-accent{background:var(--accent-soft);color:#C2451A;border-color:rgba(255,106,44,.3);}
.article-head h1{font-size:clamp(28px,4.2vw,44px);margin:20px 0 18px;letter-spacing:.2px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:14.5px;color:var(--muted);}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-lead{
  margin-top:24px;padding:22px 26px;border-left:4px solid var(--primary);
  background:#fff;border-radius:0 var(--radius-md) var(--radius-md) 0;color:#334155;font-size:16.5px;box-shadow:var(--shadow);
}
.hero-figure{margin-top:34px;border-radius:var(--radius-lg);overflow:hidden;position:relative;box-shadow:var(--shadow);}
.hero-figure img{width:100%;height:clamp(220px,34vw,420px);object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(11,17,24,.06) 40%,rgba(11,17,24,.42));
}
.hero-figure figcaption{
  position:absolute;left:22px;bottom:16px;z-index:2;color:#fff;font-size:13.5px;letter-spacing:.4px;
  text-shadow:0 2px 10px rgba(0,0,0,.45);
}

/* ---------- layout ---------- */
.article-body{padding:8px 0 88px;}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start;}
.paper{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:46px clamp(20px,4vw,54px);box-shadow:var(--shadow);
}
.reader{max-width:820px;}
.reader > *:first-child{margin-top:0;}

.reader h2{
  font-size:clamp(22px,2.6vw,30px);margin:46px 0 16px;padding-left:16px;position:relative;
}
.reader h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:5px;border-radius:99px;
  background:linear-gradient(180deg,var(--primary),var(--lemon));
}
.reader h3{font-size:clamp(19px,2vw,23px);margin:34px 0 12px;color:#1B2534;}
.reader p{margin:0 0 20px;line-height:1.95;color:#243044;font-size:17px;}
.reader ul,.reader ol{margin:0 0 24px;padding-left:4px;}
.reader ul li,.reader ol li{position:relative;padding-left:26px;margin-bottom:12px;line-height:1.85;color:#243044;}
.reader ul li::before{
  content:"";position:absolute;left:4px;top:11px;width:8px;height:8px;border-radius:3px;
  background:var(--primary);box-shadow:0 0 0 4px rgba(15,214,156,.16);
}
.reader ol{counter-reset:olc;}
.reader ol li{counter-increment:olc;}
.reader ol li::before{
  content:counter(olc);position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:50%;
  background:var(--dark);color:var(--lemon);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.reader blockquote{
  margin:0 0 26px;padding:22px 26px;background:var(--primary-soft);
  border-left:4px solid var(--primary);border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:#0F3D30;font-size:16.5px;line-height:1.85;
}
.reader blockquote p:last-child{margin-bottom:0;}
.reader img{border-radius:var(--radius-md);margin:8px 0 12px;width:100%;}
.reader figure{margin:0 0 26px;}
.reader figcaption{font-size:13.5px;color:var(--muted);text-align:center;padding-top:6px;}
.reader .table-scroll{overflow-x:auto;margin:0 0 28px;border:1px solid var(--border);border-radius:var(--radius-md);}
.reader table{width:100%;border-collapse:collapse;min-width:560px;font-size:15.5px;}
.reader table th{background:#F0F3F8;text-align:left;font-weight:700;color:#1B2534;padding:14px 16px;white-space:nowrap;}
.reader table td{padding:13px 16px;border-top:1px solid var(--border);color:#334155;}
.reader table tr:hover td{background:#FAFCFD;}
.reader a{color:var(--primary-deep);font-weight:600;border-bottom:1px dashed rgba(11,184,132,.5);}
.reader a:hover{color:#077F5C;border-bottom-color:#077F5C;}
.reader hr{border:0;border-top:1px dashed var(--border);margin:34px 0;}

/* ---------- aside ---------- */
.side{position:sticky;top:96px;display:grid;gap:20px;}
.side-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow);}
.side-card h3{font-size:17px;margin-bottom:14px;display:flex;align-items:center;gap:9px;}
.side-card h3 i{color:var(--primary);}
.side-list li + li{border-top:1px dashed var(--border);}
.side-list a{display:block;padding:12px 0;font-size:15px;color:#2B3648;font-weight:600;line-height:1.6;}
.side-list a:hover{color:var(--primary-deep);padding-left:5px;}
.side-list small{display:block;color:var(--muted);font-size:13px;font-weight:500;margin-top:4px;}
.side-cta{background:var(--dark);color:#D6DEE8;border-color:transparent;}
.side-cta h3{color:#fff;}
.side-cta p{font-size:14.5px;color:#9EABBB;line-height:1.8;margin-bottom:16px;}
.side-cta .btn{width:100%;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;}
.tag{
  display:inline-flex;align-items:center;padding:6px 13px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:#F2F5F9;color:#4A566A;border:1px solid var(--border);transition:all .18s ease;
}
.tag:hover{background:var(--primary-soft);color:#087A5A;border-color:rgba(15,214,156,.4);}

/* ---------- related ---------- */
.related{padding:0 0 96px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:30px;}
.section-head h2{font-size:clamp(24px,3vw,32px);}
.section-head p{color:var(--muted);font-size:15px;margin-top:8px;max-width:640px;}
.text-link{font-weight:700;color:var(--primary-deep);display:inline-flex;align-items:center;gap:8px;font-size:15px;}
.text-link:hover{gap:12px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rcard{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(15,214,156,.55);color:inherit;}
.rcard-media{position:relative;aspect-ratio:16/9;overflow:hidden;}
.rcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rcard:hover .rcard-media img{transform:scale(1.05);}
.rcard-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,17,24,0) 45%,rgba(11,17,24,.55));}
.rcard-tag{position:absolute;left:14px;bottom:12px;z-index:2;background:rgba(217,255,84,.94);color:#20340A;font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:999px;}
.rcard-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rcard-body h3{font-size:18px;line-height:1.5;}
.rcard-body p{font-size:14.5px;color:var(--muted);line-height:1.75;flex:1;}
.rcard-meta{font-size:13.5px;color:#8A94A4;display:flex;gap:14px;align-items:center;font-weight:500;}

/* ---------- back bar ---------- */
.back-bar{
  background:var(--dark);border-radius:var(--radius-lg);padding:34px clamp(22px,4vw,46px);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;margin-bottom:96px;
  position:relative;overflow:hidden;
}
.back-bar::before{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,214,156,.35),transparent 68%);
}
.back-bar h3{color:#fff;font-size:clamp(20px,2.4vw,26px);position:relative;}
.back-bar p{color:#9EABBB;font-size:14.5px;margin-top:8px;position:relative;}
.back-bar .actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;}

/* ---------- empty state ---------- */
.empty{
  background:#fff;border:1px dashed #CBD5E1;border-radius:var(--radius-lg);
  padding:64px 28px;text-align:center;box-shadow:var(--shadow);
}
.empty i{font-size:38px;color:var(--primary);}
.empty h2{font-size:24px;margin:18px 0 10px;}
.empty p{color:var(--muted);font-size:15.5px;margin-bottom:22px;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#A9B4C2;padding:70px 0 26px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:16px;}
.footer-note{font-size:14.5px;line-height:1.85;color:#93A0B0;}
.footer-note strong{color:var(--primary);}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14.8px;color:#A9B4C2;}
.footer-links a:hover{color:var(--primary);}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;margin-bottom:12px;color:#A9B4C2;}
.footer-contact i{color:var(--primary);margin-top:5px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13.5px;color:#7C8899;
}

/* ---------- responsive ---------- */
@media screen and (max-width:1200px){
  .layout{grid-template-columns:minmax(0,1fr) 290px;gap:32px;}
  .nav-menu a{padding:8px 11px;font-size:15px;}
  .search{min-width:170px;}
}
@media screen and (max-width:992px){
  .nav-menu{
    position:absolute;left:0;right:0;top:74px;flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--shadow);
    padding:14px 20px 20px;display:none;
  }
  .nav-menu.open{display:flex;}
  .nav-menu a{padding:12px 14px;border-radius:12px;font-size:16px;}
  .nav-menu a::after{display:none;}
  .nav-toggle{display:flex;}
  .search{display:none;}
  .link-btn{display:none;}
  .layout{grid-template-columns:minmax(0,1fr);}
  .side{position:static;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media screen and (max-width:768px){
  .container{padding:0 18px;}
  .article-head{padding:36px 0 26px;}
  .paper{padding:28px 20px;border-radius:var(--radius-md);}
  .reader h2{margin-top:36px;}
  .reader p{font-size:16.5px;}
  .reader table{font-size:14.5px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .back-bar{margin-bottom:70px;padding:28px 22px;}
  .article-body{padding-bottom:64px;}
}
@media screen and (max-width:520px){
  .brand-text{font-size:17px;}
  .nav-right{gap:8px;}
  .btn{padding:12px 20px;font-size:15px;}
  .footer-grid{grid-template-columns:1fr;}
  .article-lead{padding:18px 18px;font-size:15.5px;}
  .hero-figure figcaption{left:14px;bottom:12px;font-size:12.5px;}
}

/* roulang page: category1 */
:root{
  --brand:#0FD69C;
  --brand-dark:#0BB183;
  --brand-soft:rgba(15,214,156,.12);
  --accent:#FF6A2C;
  --accent-soft:rgba(255,106,44,.12);
  --lime:#D9FF54;
  --ink:#0B1118;
  --bg:#F5F7FA;
  --card:#FFFFFF;
  --text:#101828;
  --muted:#5B6678;
  --line:#E4E8EF;
  --radius-lg:24px;
  --radius:16px;
  --radius-sm:12px;
  --pill:999px;
  --shadow:0 8px 24px rgba(17,24,39,.08);
  --shadow-lg:0 18px 44px rgba(17,24,39,.16);
  --gutter:24px;
  --section:clamp(48px,7vw,104px);
  --num-font:"DIN Alternate","Barlow","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease,opacity .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
::selection{background:var(--brand);color:var(--ink);}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 var(--gutter);}
.section{padding:var(--section) 0;}
.section--tight{padding:calc(var(--section) * .62) 0;}
.section--dark{background:var(--ink);color:#fff;}
.section--white{background:#fff;}
.grid-x{display:flex;flex-wrap:wrap;}
.grid-margin-x{margin-left:-14px;margin-right:-14px;}
.grid-margin-x > .cell{padding-left:14px;padding-right:14px;}
.cell{flex:0 0 auto;min-width:0;width:100%;}
.small-12{width:100%;}
@media screen and (min-width:640px){
  .medium-6{width:50%;}
  .medium-4{width:33.3333%;}
}
@media screen and (min-width:1024px){
  .large-4{width:33.3333%;}
  .large-5{width:41.6666%;}
  .large-6{width:50%;}
  .large-7{width:58.3333%;}
  .large-8{width:66.6666%;}
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,247,250,.92);
  backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(17,24,39,.08);background:rgba(255,255,255,.95);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:-.02em;color:var(--ink);flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand) 0%,#0AAE7E 100%);
  color:#06231A;box-shadow:0 6px 16px rgba(15,214,156,.35);flex:0 0 auto;
}
.brand-mark svg{display:block;}
.brand-text{white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu a{
  position:relative;padding:9px 13px;border-radius:var(--pill);
  font-size:15.5px;font-weight:500;color:var(--muted);
}
.nav-menu a::after{
  content:"";position:absolute;left:50%;bottom:4px;width:0;height:2px;border-radius:2px;
  background:var(--brand);transform:translateX(-50%);transition:width .22s ease;
}
.nav-menu a:hover{color:var(--ink);background:rgba(15,214,156,.08);}
.nav-menu a:hover::after{width:22px;}
.nav-menu a.active{color:var(--ink);font-weight:700;background:var(--brand-soft);}
.nav-menu a.active::after{width:22px;}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search{
  display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--pill);
  padding:8px 16px;min-width:230px;transition:border-color .2s ease,box-shadow .2s ease;
}
.search i{color:var(--muted);font-size:13px;}
.search input{border:0;outline:0;background:transparent;width:100%;font-size:14.5px;}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft);}
.link-btn{font-size:15px;font-weight:600;color:var(--muted);padding:8px 4px;}
.link-btn:hover{color:var(--brand-dark);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--pill);border:1px solid transparent;
  font-weight:700;cursor:pointer;text-align:center;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-sm{padding:9px 20px;font-size:14.5px;}
.btn-md{padding:13px 26px;font-size:15.5px;}
.btn-lg{padding:16px 34px;font-size:16.5px;}
.btn-primary{background:var(--brand);color:#06231A;box-shadow:0 10px 24px rgba(15,214,156,.32);}
.btn-primary:hover{background:var(--brand-dark);color:#04160F;transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,214,156,.42);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px);}
.btn-outline{background:#fff;color:var(--brand-dark);border-color:rgba(15,214,156,.55);}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#1a2430;transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease;}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  opacity:.42;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(11,17,24,.96) 0%,rgba(11,17,24,.78) 44%,rgba(11,17,24,.42) 100%);
}
.hero .container{position:relative;z-index:2;padding-top:clamp(56px,8vw,96px);padding-bottom:clamp(48px,7vw,84px);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:20px;}
.crumb a:hover{color:var(--brand);}
.crumb i{font-size:10px;opacity:.7;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--pill);
  background:rgba(217,255,84,.16);border:1px solid rgba(217,255,84,.42);
  color:var(--lime);font-size:13.5px;font-weight:700;letter-spacing:.04em;margin-bottom:18px;
}
.hero h1{font-size:clamp(32px,5vw,56px);font-weight:800;margin-bottom:18px;}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{max-width:660px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.82);margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;border-top:1px solid rgba(255,255,255,.16);padding-top:26px;}
.hero-stat{
  flex:1 1 150px;min-width:140px;padding:16px 18px;border-radius:var(--radius);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
}
.hero-stat strong{display:block;font-family:var(--num-font);font-size:28px;font-weight:800;color:var(--brand);line-height:1.2;}
.hero-stat span{font-size:13.5px;color:rgba(255,255,255,.72);}

/* ---------- section head ---------- */
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:40px;}
.sec-head h2{font-size:clamp(26px,3.2vw,36px);}
.sec-head p{margin-top:12px;max-width:680px;color:var(--muted);font-size:16px;}
.sec-head .more{font-weight:700;color:var(--brand-dark);display:inline-flex;align-items:center;gap:8px;white-space:nowrap;}
.sec-head .more:hover{gap:12px;color:var(--brand);}
.section--dark .sec-head h2{color:#fff;}
.section--dark .sec-head p{color:rgba(255,255,255,.72);}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;
  color:var(--brand-dark);text-transform:uppercase;margin-bottom:10px;
}
.section--dark .eyebrow{color:var(--lime);}

/* ---------- badges & tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--pill);
  font-size:12.5px;font-weight:700;background:var(--brand-soft);color:var(--brand-dark);
}
.badge--accent{background:var(--accent-soft);color:var(--accent);}
.badge--muted{background:#EEF1F6;color:var(--muted);}
.badge--lime{background:rgba(217,255,84,.24);color:#5C7300;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  padding:8px 16px;border-radius:var(--pill);background:#fff;border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--muted);
}
.tag:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);}

/* ---------- cards ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);overflow:hidden;height:100%;
  display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(15,214,156,.55);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#DDE3EC;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.card:hover .card-media img{transform:scale(1.05);}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,17,24,0) 40%,rgba(11,17,24,.55) 100%);}
.card-media .badge{position:absolute;left:14px;top:14px;z-index:2;background:rgba(255,255,255,.94);}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:20px;line-height:1.42;}
.card-body h3 a:hover{color:var(--brand-dark);}
.card-body p{color:var(--muted);font-size:15px;line-height:1.75;}
.card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:auto;font-size:13.5px;color:var(--muted);}
.card-meta i{color:var(--brand-dark);margin-right:5px;font-size:12px;}
.card-link{margin-top:6px;font-weight:700;color:var(--brand-dark);display:inline-flex;align-items:center;gap:8px;font-size:15px;}
.card-link:hover{gap:12px;color:var(--brand);}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:111px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--brand) 0%,rgba(15,214,156,.15) 100%);
}
.tl-item{display:grid;grid-template-columns:96px 1fr;gap:32px;padding-bottom:26px;position:relative;}
.tl-item:last-child{padding-bottom:0;}
.tl-date{
  text-align:right;font-family:var(--num-font);font-size:14px;font-weight:700;color:var(--muted);
  padding-top:22px;line-height:1.5;
}
.tl-date strong{display:block;font-size:20px;color:var(--ink);}
.tl-dot{
  position:absolute;left:104px;top:28px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);z-index:2;transition:transform .24s ease,box-shadow .24s ease;
}
.tl-item:hover .tl-dot{transform:scale(1.15);box-shadow:0 0 0 6px var(--brand-soft);}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px 24px;box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(15,214,156,.55);}
.tl-card h3{font-size:19px;margin:12px 0 10px;}
.tl-card h3 a:hover{color:var(--brand-dark);}
.tl-card p{color:var(--muted);font-size:15px;}
.tl-card .card-meta{margin-top:14px;}
.tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}

/* ---------- channel grid ---------- */
.channel-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;height:100%;box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.channel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(15,214,156,.55);}
.channel-icon{
  width:46px;height:46px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand-dark);font-size:18px;margin-bottom:16px;
}
.channel-card h3{font-size:19px;margin-bottom:10px;}
.channel-card p{color:var(--muted);font-size:15px;margin-bottom:16px;}
.channel-card .count{font-family:var(--num-font);font-size:13.5px;font-weight:700;color:var(--brand-dark);}

/* ---------- steps ---------- */
.steps{counter-reset:step;display:grid;gap:18px;grid-template-columns:repeat(4,minmax(0,1fr));}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 22px 24px;box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(15,214,156,.5);}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-family:var(--num-font);font-size:30px;font-weight:800;color:rgba(15,214,156,.35);
  display:block;margin-bottom:12px;line-height:1;
}
.step h3{font-size:18px;margin-bottom:10px;}
.step p{color:var(--muted);font-size:14.8px;}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);background:transparent;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:24px 46px 24px 0;position:relative;
  font-size:18px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:14px;
  position:absolute;right:8px;top:50%;transform:translateY(-50%);
  color:var(--brand-dark);transition:transform .22s ease;
}
.faq-item[open] summary::after{content:"\f068";}
.faq-item summary:hover{color:var(--brand-dark);}
.faq-item .faq-body{padding:0 40px 26px 0;color:var(--muted);font-size:15.6px;line-height:1.85;}
.section--dark .faq{border-top-color:rgba(255,255,255,.14);}
.section--dark .faq-item{border-bottom-color:rgba(255,255,255,.14);}
.section--dark .faq-item summary{color:#fff;}
.section--dark .faq-item .faq-body{color:rgba(255,255,255,.72);}

/* ---------- cta ---------- */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--ink);color:#fff;padding:clamp(34px,5vw,60px);
  display:grid;grid-template-columns:1.35fr .9fr;gap:36px;align-items:center;
}
.cta-panel::before{
  content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,214,156,.34) 0%,rgba(15,214,156,0) 70%);
}
.cta-panel > *{position:relative;z-index:2;}
.cta-panel h2{font-size:clamp(26px,3.4vw,38px);margin-bottom:14px;}
.cta-panel p{color:rgba(255,255,255,.76);font-size:16px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.cta-side{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);padding:24px;
}
.cta-side h3{font-size:17px;color:var(--lime);margin-bottom:14px;}
.cta-side li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.8);font-size:15px;padding:8px 0;}
.cta-side li i{color:var(--brand);margin-top:6px;font-size:12px;}

/* ---------- footer ---------- */
.site-footer{background:#070C12;color:rgba(255,255,255,.72);padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-note{font-size:14.6px;line-height:1.85;color:rgba(255,255,255,.62);max-width:360px;}
.footer-note strong{color:var(--brand);font-weight:700;}
.site-footer h4{font-size:15.5px;color:#fff;margin-bottom:16px;}
.footer-links li,.footer-contact li{font-size:14.6px;padding:7px 0;}
.footer-links a:hover{color:var(--brand);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.66);}
.footer-contact i{color:var(--brand);margin-top:6px;font-size:12px;}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:22px;font-size:13.4px;color:rgba(255,255,255,.5);}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media screen and (max-width:1199px){
  .nav-menu a{padding:9px 10px;font-size:15px;}
  .search{min-width:180px;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.5fr 1fr 1.2fr;gap:28px;}
}
@media screen and (max-width:991px){
  :root{--gutter:20px;}
  .nav-menu{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:12px 20px 18px;box-shadow:0 18px 36px rgba(17,24,39,.12);
    display:none;
  }
  .nav-menu.is-open{display:flex;}
  .nav-menu a{padding:12px 14px;border-radius:12px;font-size:16px;}
  .nav-menu a::after{display:none;}
  .nav-toggle{display:inline-flex;}
  .search{display:none;}
  .link-btn{display:none;}
  .cta-panel{grid-template-columns:1fr;}
  .timeline::before{left:7px;}
  .tl-item{grid-template-columns:1fr;gap:14px;padding-left:34px;}
  .tl-date{text-align:left;padding-top:0;display:flex;align-items:baseline;gap:10px;}
  .tl-date strong{font-size:16px;}
  .tl-dot{left:0;top:8px;width:14px;height:14px;}
}
@media screen and (max-width:767px){
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
  body{font-size:16px;}
  .hero-stat{flex:1 1 100%;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-note{max-width:none;}
  .hero-actions .btn{width:100%;}
}
@media screen and (max-width:519px){
  :root{--gutter:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .brand-text{font-size:16.5px;}
  .card-body{padding:18px 18px 20px;}
  .tl-card{padding:18px;}
  .sec-head{margin-bottom:28px;}
}

/* roulang page: category2 */
:root{
  --primary:#0FD69C;
  --primary-dark:#0BB584;
  --primary-soft:rgba(15,214,156,.12);
  --accent:#FF6A2C;
  --accent-soft:rgba(255,106,44,.12);
  --lemon:#D9FF54;
  --dark:#0B1118;
  --dark-2:#131C26;
  --bg:#F5F7FA;
  --card:#FFFFFF;
  --text:#101828;
  --muted:#5B6678;
  --border:#E4E8EF;
  --radius-xl:24px;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(17,24,39,.08);
  --shadow-hover:0 16px 38px rgba(17,24,39,.15);
  --container:1240px;
  --num:"DIN Alternate","Barlow","SF Pro Display",-apple-system,system-ui,sans-serif;
}
*{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",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease,transform .2s ease,box-shadow .2s ease}
a:hover{color:var(--primary-dark)}
button{font:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.grid-x{display:flex;flex-wrap:wrap}
.cell{flex:0 0 auto;min-width:0}
.grid-pad{margin-left:-12px;margin-right:-12px}
.grid-pad > .cell{padding-left:12px;padding-right:12px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(245,247,250,.92);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:70px;
}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.2px}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--primary),#43E9B6);
  color:#06231A;
  box-shadow:0 6px 16px rgba(15,214,156,.35);
  flex:0 0 auto;
}
.brand-text{font-size:19px;font-weight:800}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-menu a{
  position:relative;
  font-size:15.5px;
  font-weight:600;
  color:#2B3646;
  padding:8px 12px;
  border-radius:10px;
}
.nav-menu a::after{
  content:"";
  position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
  border-radius:2px;
}
.nav-menu a:hover{color:var(--text);background:rgba(15,214,156,.08)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--text);background:var(--primary-soft)}
.nav-menu a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px}
.search{
  display:flex;align-items:center;gap:8px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:999px;
  padding:8px 16px;
  min-width:230px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-soft)}
.search i{color:var(--muted);font-size:13px}
.search input{
  border:0;outline:none;background:transparent;width:100%;
  font-size:14.5px;color:var(--text);
}
.search input::placeholder{color:#9AA4B2}
.link-btn{font-size:15px;font-weight:600;color:#2B3646;padding:8px 6px}
.link-btn:hover{color:var(--primary-dark)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;
  border:1px solid transparent;
  font-weight:700;
  padding:13px 26px;
  font-size:15.5px;
  line-height:1.2;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-sm{padding:10px 20px;font-size:14.5px}
.btn-primary{background:var(--primary);color:#06231A;box-shadow:0 10px 22px rgba(15,214,156,.32)}
.btn-primary:hover{background:var(--primary-dark);color:#03150F;transform:translateY(-2px);box-shadow:0 14px 28px rgba(15,214,156,.4)}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary-dark)}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-2px)}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:#1B2735;color:#fff;transform:translateY(-2px)}
.btn-line{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-line:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.nav-toggle{
  display:none;flex-direction:column;gap:5px;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--border);background:#fff;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#2B3646;border-radius:2px}

/* ============ Hero ============ */
.hero-data{
  position:relative;
  color:#fff;
  background-image:linear-gradient(115deg,rgba(11,17,24,.94) 0%,rgba(11,17,24,.82) 46%,rgba(11,17,24,.66) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  padding:84px 0 92px;
  overflow:hidden;
}
.hero-data::after{
  content:"";
  position:absolute;right:-120px;top:-80px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(15,214,156,.28),transparent 68%);
  pointer-events:none;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(15,214,156,.16);
  border:1px solid rgba(15,214,156,.42);
  color:#8DF3D2;
  font-size:13.5px;font-weight:600;
  padding:7px 16px;border-radius:999px;
  margin-bottom:22px;
}
.hero-data h1{
  font-size:clamp(32px,5vw,54px);
  font-weight:800;
  line-height:1.24;
  letter-spacing:-.5px;
  margin-bottom:18px;
}
.hero-data h1 span{color:var(--primary)}
.hero-sub{
  font-size:17px;
  color:#C6D0DC;
  max-width:640px;
  line-height:1.85;
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 26px}
.hero-points li{
  display:flex;align-items:center;gap:8px;
  font-size:14.5px;color:#AEBAC8;font-weight:500;
}
.hero-points i{color:var(--primary);font-size:13px}
.hero-panel{
  background:rgba(255,255,255,.97);
  border-radius:var(--radius-xl);
  padding:24px;
  color:var(--text);
  box-shadow:0 22px 48px rgba(0,0,0,.34);
  border:1px solid rgba(255,255,255,.5);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.panel-head h3{font-size:16.5px;font-weight:800}
.panel-live{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;color:var(--primary-dark);
  background:var(--primary-soft);padding:5px 12px;border-radius:999px;
}
.panel-live .dot{width:7px;height:7px;border-radius:50%;background:var(--primary);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.panel-list li{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 0;border-bottom:1px dashed var(--border);
  font-size:15px;
}
.panel-list li:last-child{border-bottom:0}
.panel-list .k{color:var(--muted);font-weight:500}
.panel-list .v{font-family:var(--num);font-weight:700;font-variant-numeric:tabular-nums;font-size:17px}
.panel-chart{
  display:flex;align-items:flex-end;gap:7px;height:88px;
  margin-top:18px;padding:14px;border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(15,214,156,.10),rgba(15,214,156,.02));
}
.panel-chart span{
  flex:1;border-radius:6px 6px 3px 3px;
  background:linear-gradient(180deg,var(--primary),rgba(15,214,156,.32));
}
.panel-foot{margin-top:14px;font-size:13px;color:var(--muted)}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section.tight{padding:72px 0}
.section-dark{background:var(--dark);color:#fff;position:relative;overflow:hidden}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:42px;
}
.section-head h2{
  font-size:clamp(26px,3.2vw,34px);
  font-weight:800;line-height:1.3;letter-spacing:-.3px;
}
.section-head p{margin-top:10px;color:var(--muted);font-size:16px;max-width:640px}
.section-dark .section-head p{color:#9FAAB8}
.section-head .more{
  font-size:15px;font-weight:700;color:var(--primary-dark);
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
}
.section-head .more:hover{gap:12px;color:var(--primary-dark)}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:1.4px;
  color:var(--primary-dark);text-transform:uppercase;margin-bottom:12px;
}
.section-dark .eyebrow{color:var(--primary)}

/* ============ KPI 指标卡 ============ */
.kpi-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:24px;
  height:100%;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;justify-content:space-between;
}
.kpi-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(15,214,156,.55)}
.kpi-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.kpi-name{font-size:14.5px;color:var(--muted);font-weight:600}
.kpi-value{
  font-family:var(--num);
  font-variant-numeric:tabular-nums;
  font-size:40px;font-weight:800;line-height:1.1;letter-spacing:-1px;
  display:flex;align-items:baseline;gap:6px;
}
.kpi-value small{font-size:15px;font-weight:600;color:var(--muted);letter-spacing:0}
.kpi-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px}
.trend{
  display:inline-flex;align-items:center;gap:5px;
  font-size:12.5px;font-weight:700;padding:4px 10px;border-radius:999px;
}
.trend.up{background:var(--primary-soft);color:var(--primary-dark)}
.trend.warn{background:var(--accent-soft);color:#D94E15}
.trend.flat{background:#EEF1F6;color:var(--muted)}
.mini-bars{display:flex;align-items:flex-end;gap:4px;height:34px}
.mini-bars i{display:block;width:7px;border-radius:3px;background:rgba(15,214,156,.35)}
.mini-bars i.on{background:var(--primary)}

/* ============ 对比表 ============ */
.table-wrap{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  padding:8px;
  box-shadow:var(--shadow);
  overflow-x:auto;
}
table.data-table{width:100%;border-collapse:separate;border-spacing:0;min-width:680px}
table.data-table th,table.data-table td{
  text-align:left;padding:18px 20px;font-size:15.5px;vertical-align:top;
  border-bottom:1px solid var(--border);
}
table.data-table thead th{
  font-size:14px;font-weight:800;color:var(--muted);
  letter-spacing:.4px;background:#FAFBFD;
}
table.data-table thead th:first-child{border-top-left-radius:14px}
table.data-table thead th:last-child{border-top-right-radius:14px}
table.data-table tbody tr:last-child td{border-bottom:0}
table.data-table tbody tr:hover td{background:#FBFCFE}
table.data-table td.dim{font-weight:700;color:var(--text);width:22%}
table.data-table td.old{color:var(--muted)}
table.data-table td.new{color:var(--text);background:rgba(15,214,156,.06);font-weight:600}
.cell-tag{
  display:inline-block;font-size:12.5px;font-weight:700;
  padding:3px 10px;border-radius:999px;background:#EEF1F6;color:var(--muted);
  margin-right:6px;
}
.cell-tag.ok{background:var(--primary-soft);color:var(--primary-dark)}

/* ============ 排行条 ============ */
.rank-card{
  background:var(--dark-2);
  border:1px solid rgba(255,255,255,.09);
  border-radius:var(--radius-xl);
  padding:28px;
  height:100%;
}
.rank-list li{padding:16px 0;border-bottom:1px dashed rgba(255,255,255,.12)}
.rank-list li:last-child{border-bottom:0;padding-bottom:0}
.rank-row{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:10px}
.rank-name{display:flex;align-items:center;gap:10px;font-size:15.5px;font-weight:600;color:#E8EEF6}
.rank-no{
  font-family:var(--num);font-weight:800;font-size:13px;
  width:26px;height:26px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:#B9C5D3;
}
.rank-no.top{background:var(--primary);color:#06231A}
.rank-val{font-family:var(--num);font-variant-numeric:tabular-nums;font-weight:800;font-size:17px;color:var(--primary)}
.bar{height:8px;border-radius:999px;background:rgba(255,255,255,.1);overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),#5CE9BE)}
.bar i.orange{background:linear-gradient(90deg,var(--accent),#FF9A66)}

/* ============ 场景卡 ============ */
.scene-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  overflow:hidden;
  height:100%;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(15,214,156,.5)}
.scene-media{position:relative;aspect-ratio:16/9;overflow:hidden}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.scene-card:hover .scene-media img{transform:scale(1.05)}
.scene-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,17,24,0) 40%,rgba(11,17,24,.72) 100%);
}
.scene-tag{
  position:absolute;left:16px;top:16px;z-index:2;
  background:rgba(15,214,156,.9);color:#06231A;
  font-size:12.5px;font-weight:800;padding:5px 12px;border-radius:999px;
}
.scene-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.scene-body h3{font-size:20px;font-weight:800;line-height:1.4}
.scene-body p{color:var(--muted);font-size:15.5px}
.scene-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.chip{
  font-size:13px;font-weight:600;color:#33404F;
  background:#F1F4F9;border-radius:999px;padding:5px 12px;
}

/* ============ 流程 ============ */
.flow-grid{display:flex;flex-wrap:wrap;gap:20px}
.flow-item{
  flex:1 1 240px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:26px 24px;
  position:relative;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.flow-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(15,214,156,.5)}
.flow-item::before{
  content:"";position:absolute;left:24px;top:0;width:44px;height:4px;
  border-radius:0 0 6px 6px;background:var(--primary);
}
.flow-step{
  font-family:var(--num);font-weight:800;font-size:13px;letter-spacing:1px;
  color:var(--primary-dark);margin:8px 0 12px;
}
.flow-item h3{font-size:19px;font-weight:800;margin-bottom:10px}
.flow-item p{color:var(--muted);font-size:15.5px}

/* ============ FAQ ============ */
.faq-wrap{display:grid;gap:14px}
.faq-item{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:4px 22px;
  box-shadow:0 6px 18px rgba(17,24,39,.05);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{border-color:rgba(15,214,156,.55);box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-size:17px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .ico{
  width:30px;height:30px;flex:0 0 auto;border-radius:50%;
  background:var(--primary-soft);color:var(--primary-dark);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;transition:transform .25s ease,background-color .25s ease;
}
.faq-item[open] summary .ico{transform:rotate(45deg);background:var(--primary);color:#06231A}
.faq-item .answer{padding:0 0 20px;color:var(--muted);font-size:15.5px;max-width:900px}

/* ============ CTA 表单 ============ */
.cta-section{padding:88px 0;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);border-top:1px solid var(--border)}
.form-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  padding:32px;
  box-shadow:var(--shadow);
}
.form-card h3{font-size:22px;font-weight:800;margin-bottom:8px}
.form-card .tip{color:var(--muted);font-size:15px;margin-bottom:24px}
.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:14px;font-weight:700;color:#344054}
.field input,.field select,.field textarea{
  width:100%;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  background:#FBFCFE;
  padding:13px 15px;
  font-size:15.5px;
  color:var(--text);
  font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{min-height:112px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);background:#fff;
  box-shadow:0 0 0 4px var(--primary-soft);
}
.checkline{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted);margin:6px 0 22px}
.checkline input{width:17px;height:17px;margin-top:4px;accent-color:var(--primary)}
.trust-card{
  background:var(--dark);
  color:#fff;
  border-radius:var(--radius-xl);
  padding:32px;
  height:100%;
}
.trust-card h3{font-size:21px;font-weight:800;margin-bottom:12px}
.trust-card > p{color:#9FAAB8;font-size:15.5px;margin-bottom:24px}
.trust-list li{
  display:flex;gap:12px;padding:14px 0;
  border-bottom:1px dashed rgba(255,255,255,.12);
  font-size:15.5px;color:#D8E0EA;
}
.trust-list li:last-child{border-bottom:0}
.trust-list i{color:var(--primary);margin-top:6px;font-size:13px}
.trust-foot{
  margin-top:22px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:#9FAAB8;
}
.trust-foot span{display:inline-flex;align-items:center;gap:8px}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#C3CDD9;padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-note{font-size:15px;color:#9AA6B4;line-height:1.85}
.footer-note strong{color:#fff}
.site-footer h4{font-size:15.5px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:15px;color:#A9B5C3}
.footer-links a:hover{color:var(--primary)}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:15px;color:#A9B5C3;margin-bottom:11px}
.footer-contact i{color:var(--primary);font-size:13px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding-top:22px;font-size:13.5px;color:#7E8A99;
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .section{padding:80px 0}
  .kpi-value{font-size:36px}
}
@media (max-width:992px){
  .nav-menu{
    position:fixed;left:0;right:0;top:70px;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:10px 20px 22px;
    border-bottom:1px solid var(--border);
    box-shadow:0 20px 40px rgba(17,24,39,.14);
    display:none;
    max-height:calc(100vh - 70px);overflow-y:auto;
  }
  .nav-menu.open{display:flex}
  .nav-menu a{padding:14px 4px;border-bottom:1px dashed var(--border);border-radius:0}
  .nav-menu a::after{display:none}
  .nav-toggle{display:flex}
  .search{display:none}
  .link-btn{display:none}
  .hero-data{padding:64px 0 72px}
  .hero-panel{margin-top:34px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding-left:16px;padding-right:16px}
  .grid-pad{margin-left:-8px;margin-right:-8px}
  .grid-pad > .cell{padding-left:8px;padding-right:8px}
  .section{padding:60px 0}
  .section.tight{padding:52px 0}
  .hero-data h1{font-size:clamp(28px,7.4vw,38px)}
  .hero-sub{font-size:16px}
  .hero-actions{gap:10px}
  .btn{width:100%;padding:14px 22px}
  .hero-actions .btn{width:auto;flex:1 1 180px}
  .form-row{grid-template-columns:1fr}
  .form-card,.trust-card,.rank-card{padding:22px}
  .cta-section{padding:60px 0}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column}
  .kpi-value{font-size:34px}
  .section-head h2{font-size:26px}
}
@media (max-width:520px){
  .brand-text{font-size:17px}
  .hero-badge{font-size:12.5px}
  .hero-points{flex-direction:column;gap:8px}
  .flow-item{padding:22px 18px}
  .faq-item{padding:2px 16px}
  .faq-item summary{font-size:16px}
  .hero-actions .btn{flex:1 1 100%}
}

/* roulang page: category3 */
:root{
  --brand:#0FD69C;
  --brand-deep:#0BB783;
  --brand-ink:#071912;
  --accent:#FF6A2C;
  --lime:#D9FF54;
  --ink:#0B1118;
  --bg:#F5F7FA;
  --card:#FFFFFF;
  --text:#101828;
  --muted:#5B6678;
  --line:#E4E8EF;
  --radius-xs:12px;
  --radius:16px;
  --radius-lg:24px;
  --shadow:0 8px 24px rgba(17,24,39,.08);
  --shadow-lg:0 18px 44px rgba(17,24,39,.16);
  --container:1240px;
  --font-num:"DIN Alternate","Barlow","HarmonyOS Sans",ui-monospace,"SFMono-Regular",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,opacity .2s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 16px;}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.3;font-weight:800;letter-spacing:-.01em;color:var(--text);}
button,input,select,textarea{font:inherit;color:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-dark{background:var(--ink);color:#fff;}
.section-dark h2,.section-dark h3{color:#fff;}
.section-dark .section-head p{color:rgba(255,255,255,.68);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(245,247,250,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;position:relative;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.02em;color:var(--text);}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand) 0%,var(--lime) 100%);
  color:#062018;box-shadow:0 8px 18px rgba(15,214,156,.34);flex:0 0 auto;
}
.brand:hover .brand-mark{transform:translateY(-1px);}
.brand-mark{transition:transform .25s ease;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu a{
  display:inline-block;padding:9px 16px;border-radius:999px;font-size:15.5px;font-weight:600;color:var(--muted);
  position:relative;
}
.nav-menu a:hover{color:var(--text);background:rgba(15,214,156,.12);}
.nav-menu a.active{color:var(--brand-ink);background:rgba(15,214,156,.2);}
.nav-menu .menu-extra{display:none;}
.nav-right{display:flex;align-items:center;gap:12px;}
.search{
  display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:0 16px;height:42px;transition:border-color .2s ease,box-shadow .2s ease;
}
.search i{color:var(--muted);font-size:14px;}
.search input{border:0;outline:none;background:transparent;width:180px;font-size:14.5px;}
.search input::placeholder{color:#9AA4B2;}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(15,214,156,.14);}
.link-btn{font-size:15px;font-weight:600;color:var(--muted);padding:8px 10px;border-radius:999px;}
.link-btn:hover{color:var(--brand-deep);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:999px;padding:14px 30px;font-weight:700;font-size:15.5px;
  border:1px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,color .22s ease;
}
.btn-primary{background:var(--brand);color:#062018;box-shadow:0 10px 24px rgba(15,214,156,.34);}
.btn-primary:hover{background:var(--brand-deep);color:#04140E;transform:translateY(-2px);box-shadow:0 16px 32px rgba(15,214,156,.42);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;border-color:rgba(15,214,156,.65);color:var(--brand-deep);}
.btn-outline:hover{background:rgba(15,214,156,.14);transform:translateY(-2px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.42);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px);}
.btn-sm{padding:11px 22px;font-size:14.5px;}
.btn-block{width:100%;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border-radius:12px;
  background:#fff;border:1px solid var(--line);cursor:pointer;padding:0 11px;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ Hero ============ */
.page-hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:92px 0 96px;}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(11,17,24,.95) 0%,rgba(11,17,24,.82) 48%,rgba(11,17,24,.44) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.hero-inner{align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;letter-spacing:.06em;
  color:#CFFCEB;background:rgba(15,214,156,.16);border:1px solid rgba(15,214,156,.45);
  border-radius:999px;padding:7px 16px;margin-bottom:22px;
}
.hero-copy h1{font-size:clamp(32px,5vw,56px);line-height:1.14;font-weight:800;color:#fff;margin-bottom:20px;}
.hero-copy h1 em{font-style:normal;color:var(--brand);}
.hero-lead{font-size:17px;line-height:1.9;color:rgba(255,255,255,.82);max-width:620px;margin-bottom:0;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0 26px;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 26px;}
.hero-points li{display:flex;align-items:center;gap:9px;font-size:15px;color:rgba(255,255,255,.8);}
.hero-points i{color:var(--brand);font-size:13px;}
.hero-board{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-lg);
  padding:26px 26px 20px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.hero-board h3{font-size:16px;margin:0 0 14px;display:flex;align-items:center;justify-content:space-between;gap:10px;color:#fff;}
.hero-board h3 span{font-size:12.5px;font-weight:600;color:var(--brand);background:rgba(15,214,156,.16);border-radius:999px;padding:4px 12px;}
.board-item{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;padding:15px 0;border-bottom:1px dashed rgba(255,255,255,.16);}
.board-item:last-child{border-bottom:0;padding-bottom:4px;}
.board-item .label{font-size:14px;color:rgba(255,255,255,.66);}
.board-item .value{font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--lime);font-variant-numeric:tabular-nums;line-height:1.2;}
.board-item .value small{font-size:13px;font-weight:600;color:rgba(255,255,255,.6);margin-left:4px;}

/* ============ 通用板块头 ============ */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap;margin-bottom:44px;}
.section-head h2{font-size:clamp(26px,3.2vw,36px);margin-bottom:10px;}
.section-head p{margin:0;color:var(--muted);max-width:660px;font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-deep);background:rgba(15,214,156,.14);border:1px solid rgba(15,214,156,.3);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-dark .eyebrow{color:#B9FBE4;background:rgba(15,214,156,.16);border-color:rgba(15,214,156,.4);}
.head-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--brand-deep);font-size:15px;}
.head-link:hover{gap:12px;color:var(--brand-ink);}
.section-dark .head-link{color:var(--lime);}

/* ============ 服务规格卡 ============ */
.spec-card{
  background:var(--card);border:1px solid var(--line);border-radius:20px;overflow:hidden;height:100%;
  display:flex;flex-direction:column;transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.spec-card:hover{transform:translateY(-4px);border-color:rgba(15,214,156,.6);box-shadow:var(--shadow-lg);}
.spec-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink);}
.spec-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.spec-card:hover .spec-media img{transform:scale(1.06);}
.spec-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,17,24,0) 42%,rgba(11,17,24,.62) 100%);}
.spec-no{
  position:absolute;top:14px;left:14px;z-index:2;font-family:var(--font-num);font-size:13px;font-weight:700;
  color:#062018;background:var(--lime);border-radius:999px;padding:5px 13px;letter-spacing:.04em;
}
.spec-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.spec-body h3{font-size:21px;margin-bottom:8px;}
.spec-scene{font-size:14px;color:var(--muted);margin-bottom:16px;}
.tag{
  display:inline-block;font-size:12.5px;font-weight:600;color:var(--brand-deep);background:rgba(15,214,156,.14);
  border-radius:999px;padding:4px 11px;margin:0 6px 6px 0;
}
.tag-orange{color:#B8440F;background:rgba(255,106,44,.14);}
.tag-gray{color:var(--muted);background:#EEF1F5;}
.param-list{margin:14px 0 6px;}
.param-list li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);padding:6px 0;line-height:1.7;}
.param-list li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;border-radius:2px;background:var(--brand);margin-top:10px;
}
.card-link{
  margin-top:auto;padding-top:18px;display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:700;color:var(--brand-deep);
}
.card-link:hover{gap:13px;color:var(--brand-ink);}

/* ============ 参数速览（深色） ============ */
.meter-row{margin-bottom:26px;}
.meter-row:last-child{margin-bottom:0;}
.meter-top{display:flex;align-items:baseline;justify-content:space-between;gap:14px;margin-bottom:10px;font-size:15.5px;color:rgba(255,255,255,.86);}
.meter-top b{font-family:var(--font-num);font-size:22px;color:var(--lime);font-variant-numeric:tabular-nums;}
.meter-track{height:10px;border-radius:999px;background:rgba(255,255,255,.13);overflow:hidden;}
.meter-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand) 0%,var(--lime) 100%);}
.mini-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);
  padding:22px 22px 18px;height:100%;
}
.mini-card .mini-label{font-size:14px;color:rgba(255,255,255,.66);margin-bottom:8px;}
.mini-card .mini-value{font-family:var(--font-num);font-size:34px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;line-height:1.15;}
.mini-card .mini-value small{font-size:14px;color:rgba(255,255,255,.62);margin-left:4px;font-weight:600;}
.mini-card .mini-foot{margin-top:10px;font-size:13px;color:rgba(255,255,255,.5);}
.dark-note{font-size:14px;color:rgba(255,255,255,.56);margin:34px 0 0;}

/* ============ 场景卡 ============ */
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;height:100%;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.scene-card:hover{transform:translateY(-3px);border-color:rgba(15,214,156,.55);box-shadow:var(--shadow);}
.scene-icon{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(15,214,156,.14);color:var(--brand-deep);font-size:19px;margin-bottom:16px;
}
.scene-card h3{font-size:19px;margin-bottom:8px;}
.scene-card p{font-size:14.5px;color:var(--muted);margin:0;}

/* ============ 保障清单 ============ */
.check-list li{display:flex;gap:12px;padding:11px 0;font-size:15px;color:var(--muted);border-bottom:1px dashed var(--line);}
.check-list li:last-child{border-bottom:0;}
.check-list i{color:var(--brand-deep);font-size:14px;margin-top:7px;flex:0 0 auto;}
.side-card{
  background:#fff;border:1px solid rgba(15,214,156,.45);border-radius:var(--radius-lg);padding:30px;
  box-shadow:var(--shadow);height:100%;
}
.side-card h3{font-size:21px;margin-bottom:12px;}
.side-card .side-note{font-size:14.5px;color:var(--muted);margin-bottom:22px;}
.side-meta li{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--muted);}
.side-meta li:last-child{border-bottom:0;}
.side-meta b{color:var(--text);font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ============ FAQ ============ */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;}
.faq-item[open]{border-color:rgba(15,214,156,.55);box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;font-size:17px;font-weight:700;display:flex;
  align-items:center;justify-content:space-between;gap:18px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-family:var(--font-num);font-size:24px;line-height:1;color:var(--brand-deep);
  transition:transform .25s ease;flex:0 0 auto;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-item .faq-body{padding:0 24px 22px;color:var(--muted);font-size:15.5px;line-height:1.88;}
.faq-item .faq-body p:last-child{margin-bottom:0;}

/* ============ CTA 表单 ============ */
.cta-wrap{background:linear-gradient(180deg,#FFFFFF 0%,#F0FBF7 100%);border:1px solid var(--line);border-radius:28px;padding:44px;box-shadow:var(--shadow);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-xs);padding:13px 16px;background:#F9FAFC;
  font-size:15px;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{min-height:120px;resize:vertical;line-height:1.75;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(15,214,156,.16);
}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);margin:6px 0 20px;line-height:1.7;}
.check-row input{margin-top:4px;flex:0 0 auto;width:16px;height:16px;accent-color:var(--brand);}
.form-note{display:none;margin-top:14px;font-size:14px;color:var(--brand-deep);font-weight:600;}
.form-note.show{display:block;}
.contact-list li{display:flex;gap:12px;padding:12px 0;font-size:15px;color:var(--muted);border-bottom:1px dashed var(--line);}
.contact-list li:last-child{border-bottom:0;}
.contact-list i{color:var(--brand-deep);margin-top:6px;flex:0 0 auto;}
.contact-list b{color:var(--text);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:76px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:19px;margin-bottom:14px;}
.footer-note{font-size:14.5px;line-height:1.88;color:rgba(255,255,255,.6);max-width:400px;margin:0;}
.footer-note strong{color:var(--brand);}
.site-footer h4{color:#fff;font-size:15px;margin:0 0 18px;letter-spacing:.02em;}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.7);}
.footer-links a:hover{color:var(--brand);}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;margin-bottom:12px;color:rgba(255,255,255,.7);}
.footer-contact i{color:var(--brand);margin-top:5px;flex:0 0 auto;}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13.5px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:36px;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .page-hero{padding:64px 0 72px;}
  .nav-toggle{display:inline-flex;}
  .nav-menu{
    position:absolute;top:calc(100% + 1px);left:0;right:0;display:none;flex-direction:column;align-items:stretch;
    gap:4px;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    padding:14px 16px 20px;box-shadow:var(--shadow-lg);
  }
  .nav-menu.open{display:flex;}
  .nav-menu a{padding:13px 16px;border-radius:12px;font-size:16px;}
  .nav-menu .menu-extra{display:block;}
  .nav-menu .menu-extra a{color:var(--brand-deep);font-weight:700;}
  .search{width:42px;height:42px;padding:0;justify-content:center;border-radius:999px;}
  .search input{display:none;}
  .link-btn{display:none;}
  .nav-right .btn-sm{display:none;}
  .hero-copy h1{margin-bottom:16px;}
  .hero-board{margin-top:34px;}
  .cta-wrap{padding:32px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:30px;}
  .hero-actions .btn{width:100%;}
  .hero-actions{gap:12px;}
  .mini-card .mini-value{font-size:28px;}
  .board-item .value{font-size:22px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575px){
  .brand-text{font-size:17px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-wrap{padding:26px 20px;border-radius:20px;}
  .faq-item summary{padding:18px 18px;font-size:16px;}
  .faq-item .faq-body{padding:0 18px 18px;}
}

/* roulang page: category4 */
:root{
  --brand:#0FD69C;
  --brand-deep:#0CC08C;
  --brand-ink:#0A8F6A;
  --accent:#FF6A2C;
  --lime:#D9FF54;
  --dark:#0B1118;
  --bg:#F5F7FA;
  --card:#FFFFFF;
  --text:#101828;
  --muted:#5B6678;
  --line:#E4E8EF;
  --radius:20px;
  --radius-lg:24px;
  --shadow:0 8px 24px rgba(17,24,39,.08);
  --shadow-hover:0 16px 36px rgba(17,24,39,.14);
  --num-font:"DIN Alternate","Barlow","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
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:1.28;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-dark{background:var(--dark);color:#fff;}
.num{font-family:var(--num-font);font-variant-numeric:tabular-nums;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(245,247,250,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:26px;height:76px;}
.brand{display:flex;align-items:center;gap:11px;font-size:18.5px;font-weight:800;letter-spacing:-.02em;white-space:nowrap;}
.brand-mark{
  width:38px;height:38px;border-radius:13px;
  background:var(--dark);color:var(--brand);
  display:grid;place-items:center;flex:none;
}
.brand-text{color:var(--text);}
.nav-menu{display:flex;align-items:center;gap:24px;}
.nav-menu a{
  position:relative;font-size:15.5px;font-weight:500;color:var(--muted);
  padding:6px 1px;transition:color .2s;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-menu a:hover{color:var(--text);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.active{color:var(--text);font-weight:700;}
.nav-menu a.active::after{transform:scaleX(1);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:16px;}
.search{
  display:flex;align-items:center;gap:9px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:9px 16px;min-width:230px;transition:border-color .2s,box-shadow .2s;
}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,214,156,.16);}
.search i{color:var(--muted);font-size:14px;}
.search input{border:0;outline:none;background:transparent;width:100%;font-size:14px;}
.search input::placeholder{color:#98A2B3;}
.link-btn{font-size:15px;font-weight:600;color:var(--text);transition:color .2s;}
.link-btn:hover{color:var(--brand-ink);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:999px;font-weight:700;font-size:15.5px;
  padding:13px 26px;border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-sm{padding:10px 20px;font-size:14.5px;}
.btn-primary{background:var(--brand);color:var(--dark);box-shadow:0 10px 22px rgba(15,214,156,.3);}
.btn-primary:hover,.btn-primary:focus-visible{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 14px 28px rgba(15,214,156,.36);}
.btn-outline{border-color:var(--brand);color:var(--brand-ink);background:rgba(15,214,156,.07);}
.btn-outline:hover{background:rgba(15,214,156,.16);transform:translateY(-2px);}
.btn-ghost-light{border-color:rgba(255,255,255,.42);color:#fff;background:rgba(255,255,255,.06);}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn-block{width:100%;}
.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;
}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--text);}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--dark);color:#fff;overflow:hidden;padding:86px 0 92px;}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.45;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(11,17,24,.95) 6%,rgba(11,17,24,.78) 52%,rgba(11,17,24,.52) 100%);
}
.hero .container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:22px;}
.crumb a:hover{color:var(--brand);}
.crumb span.sep{color:rgba(255,255,255,.34);}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(15,214,156,.16);border:1px solid rgba(15,214,156,.42);
  color:#7BF3CE;border-radius:999px;padding:6px 15px;font-size:13.5px;font-weight:600;
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(32px,5vw,56px);
  line-height:1.16;letter-spacing:-.02em;margin-bottom:20px;color:#fff;
}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{font-size:17.5px;line-height:1.85;color:rgba(255,255,255,.82);max-width:620px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-points{display:flex;flex-wrap:wrap;gap:22px 34px;}
.hero-points li{display:flex;align-items:center;gap:9px;font-size:14.5px;color:rgba(255,255,255,.78);}
.hero-points i{color:var(--brand);font-size:14px;}

/* 阶段进度卡 */
.phase-card{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.15);
  border-radius:var(--radius-lg);
  padding:26px 24px;
  backdrop-filter:blur(8px);
  box-shadow:0 20px 44px rgba(0,0,0,.28);
}
.phase-card h3{font-size:17px;color:#fff;margin-bottom:6px;}
.phase-card .phase-note{font-size:13.5px;color:rgba(255,255,255,.6);margin-bottom:20px;}
.phase-item{margin-bottom:16px;}
.phase-item:last-child{margin-bottom:0;}
.phase-row{display:flex;justify-content:space-between;align-items:baseline;font-size:14px;color:rgba(255,255,255,.82);margin-bottom:7px;}
.phase-row b{font-family:var(--num-font);font-variant-numeric:tabular-nums;color:#fff;font-size:15px;}
.bar{height:8px;border-radius:999px;background:rgba(255,255,255,.16);overflow:hidden;}
.bar > span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--lime));}
.bar > span.alt{background:linear-gradient(90deg,var(--accent),var(--lime));}

/* ---------- 通用板块头部 ---------- */
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;margin-bottom:44px;flex-wrap:wrap;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:700;color:var(--brand-ink);
  background:rgba(15,214,156,.13);border-radius:999px;padding:5px 14px;margin-bottom:14px;
}
.sec-head h2{font-size:clamp(25px,3.3vw,36px);}
.sec-head p{color:var(--muted);font-size:16px;margin-top:12px;max-width:680px;}
.sec-link{font-size:15px;font-weight:700;color:var(--brand-ink);display:inline-flex;align-items:center;gap:7px;transition:gap .2s,color .2s;}
.sec-link:hover{gap:12px;color:var(--brand-deep);}

/* ---------- 适用对象 ---------- */
.aud-grid{margin-top:-6px;}
.aud-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;height:100%;box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.aud-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(15,214,156,.6);}
.aud-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:rgba(15,214,156,.14);color:var(--brand-ink);font-size:18px;margin-bottom:18px;
}
.aud-card h3{font-size:19.5px;margin-bottom:10px;}
.aud-card p{color:var(--muted);font-size:15.5px;line-height:1.8;}

/* ---------- 四步流程 ---------- */
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.steps::before{
  content:"";position:absolute;top:64px;left:7%;right:7%;height:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 12px,transparent 12px 24px);
}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:30px 24px 26px;box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(15,214,156,.6);}
.step-num{
  font-family:var(--num-font);font-variant-numeric:tabular-nums;
  font-size:36px;font-weight:800;line-height:1;color:var(--brand);
  display:block;margin-bottom:16px;
}
.step h3{font-size:19px;margin-bottom:10px;}
.step p{color:var(--muted);font-size:15px;line-height:1.8;margin-bottom:16px;}
.step-tag{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  color:var(--brand-ink);background:rgba(15,214,156,.12);border-radius:999px;padding:5px 13px;
}

/* ---------- 阶段安排 ---------- */
.stage-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.stage-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(15,214,156,.6);}
.stage-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0B1118;}
.stage-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.stage-card:hover .stage-thumb img{transform:scale(1.06);}
.stage-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,17,24,.05) 30%,rgba(11,17,24,.72));
}
.stage-label{
  position:absolute;left:16px;bottom:14px;z-index:2;
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(15,214,156,.95);color:var(--dark);
  border-radius:999px;padding:5px 14px;font-size:13px;font-weight:800;
}
.stage-body{padding:24px 22px 26px;display:flex;flex-direction:column;flex:1;}
.stage-body h3{font-size:20px;margin-bottom:10px;}
.stage-body > p{color:var(--muted);font-size:15px;line-height:1.8;margin-bottom:18px;}
.stage-specs{display:flex;flex-direction:column;gap:9px;margin-bottom:20px;}
.stage-specs li{display:flex;justify-content:space-between;gap:14px;font-size:14.5px;color:var(--muted);border-bottom:1px dashed var(--line);padding-bottom:9px;}
.stage-specs li:last-child{border-bottom:0;}
.stage-specs b{font-family:var(--num-font);font-variant-numeric:tabular-nums;color:var(--text);font-weight:700;font-size:15px;}
.stage-body .sec-link{margin-top:auto;}

/* ---------- 交付清单 ---------- */
.dark-wrap{background:var(--dark);color:#fff;border-radius:28px;padding:56px 48px;position:relative;overflow:hidden;}
.dark-wrap::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,214,156,.32),transparent 68%);
}
.dark-wrap .inner{position:relative;z-index:2;}
.deliver-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 34px;margin-top:28px;}
.deliver-list li{display:flex;gap:12px;font-size:15.5px;color:rgba(255,255,255,.86);line-height:1.75;}
.deliver-list i{color:var(--brand);margin-top:6px;font-size:14px;}
.deliver-side{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.15);
  border-radius:var(--radius-lg);padding:26px 24px;
}
.deliver-side h3{font-size:17px;margin-bottom:16px;color:#fff;}
.deliver-side .mini{display:flex;justify-content:space-between;align-items:baseline;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:14.5px;color:rgba(255,255,255,.74);}
.deliver-side .mini:last-child{border-bottom:0;}
.deliver-side .mini b{font-family:var(--num-font);font-variant-numeric:tabular-nums;font-size:20px;color:var(--brand);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow);overflow:hidden;transition:border-color .22s ease;
}
.faq-item[open]{border-color:rgba(15,214,156,.6);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:22px 26px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:17px;font-weight:700;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .chev{
  width:30px;height:30px;flex:none;border-radius:50%;
  background:rgba(15,214,156,.14);color:var(--brand-ink);
  display:grid;place-items:center;font-size:12px;transition:transform .26s ease;
}
.faq-item[open] summary .chev{transform:rotate(180deg);}
.faq-answer{padding:0 26px 24px;color:var(--muted);font-size:15.5px;line-height:1.85;}

/* ---------- CTA 表单 ---------- */
.cta-panel{
  background:var(--card);border:1px solid var(--line);border-radius:28px;
  box-shadow:var(--shadow);padding:44px 42px;
}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;color:var(--text);}
.field input,.field select,.field textarea{
  border:1px solid var(--line);border-radius:14px;background:#FBFCFD;
  padding:13px 15px;font-size:15px;outline:none;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.field textarea{min-height:118px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(15,214,156,.16);
}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted);line-height:1.7;}
.check-row input{margin-top:5px;width:16px;height:16px;accent-color:var(--brand);}
.trust-card{
  background:linear-gradient(160deg,#0B1118 0%,#132030 100%);
  color:#fff;border-radius:24px;padding:30px 26px;height:100%;
}
.trust-card h3{font-size:19px;margin-bottom:14px;color:#fff;}
.trust-card p{color:rgba(255,255,255,.76);font-size:15px;line-height:1.85;margin-bottom:22px;}
.trust-list{display:flex;flex-direction:column;gap:14px;}
.trust-list li{display:flex;gap:12px;font-size:15px;color:rgba(255,255,255,.86);line-height:1.7;}
.trust-list i{color:var(--brand);margin-top:6px;font-size:14px;}
.trust-foot{margin-top:24px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);font-size:14px;color:rgba(255,255,255,.66);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding:68px 0 30px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:11px;font-size:19px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-note{font-size:15px;line-height:1.85;color:rgba(255,255,255,.66);max-width:420px;}
.footer-note strong{color:var(--brand);font-weight:700;}
.site-footer h4{font-size:15.5px;color:#fff;margin-bottom:18px;font-weight:700;}
.footer-links,.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:15px;}
.footer-links a,.footer-contact li{color:rgba(255,255,255,.7);transition:color .2s;}
.footer-links a:hover{color:var(--brand);}
.footer-contact li{display:flex;align-items:center;gap:9px;}
.footer-contact i{color:var(--brand);font-size:14px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.56);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .steps{grid-template-columns:repeat(2,1fr);}
  .steps::before{display:none;}
}
@media screen and (max-width:991px){
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .nav-menu{
    position:absolute;top:76px;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;
    padding:10px 24px 18px;display:none;
    box-shadow:0 18px 32px rgba(17,24,39,.1);
  }
  .nav-menu.open{display:flex;}
  .nav-menu a{padding:14px 2px;border-bottom:1px solid var(--line);font-size:16px;}
  .nav-menu a::after{display:none;}
  .nav-menu a.active{color:var(--brand-ink);}
  .search{display:none;}
  .nav-toggle{display:flex;}
  .link-btn{display:none;}
  .hero{padding:64px 0 70px;}
  .dark-wrap{padding:40px 26px;border-radius:22px;}
  .deliver-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-panel{padding:32px 26px;border-radius:22px;}
}
@media screen and (max-width:767px){
  .steps{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .sec-head{margin-bottom:32px;}
  .hero h1{margin-bottom:16px;}
  .hero-actions .btn{flex:1 1 100%;}
}
@media screen and (max-width:575px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .brand{font-size:17px;}
  .footer-grid{grid-template-columns:1fr;}
  .phase-card{padding:22px 18px;}
  .aud-card,.step,.stage-body{padding-left:18px;padding-right:18px;}
  .faq-item summary{padding:18px 18px;font-size:15.5px;}
  .faq-answer{padding:0 18px 20px;}
}