/* roulang page: index */
:root{
  --primary:#FF6A2B;
  --primary-dark:#E2531A;
  --primary-soft:#FFEDE2;
  --secondary:#0E9F6E;
  --secondary-soft:#E4F6EE;
  --accent:#FFB020;
  --body-bg:#F7F4EF;
  --dark:#141A1F;
  --dark-2:#1F2A31;
  --surface:#FFFFFF;
  --line:#ECE6DE;
  --text:#1B1F23;
  --muted:#5A646E;
  --muted-2:#8B949C;
  --grad-brand:linear-gradient(135deg,#FF6A2B 0%,#FF9E3D 100%);
  --grad-dark:linear-gradient(160deg,#141A1F 0%,#1F2A31 100%);
  --radius-lg:24px;
  --radius:20px;
  --radius-sm:14px;
  --radius-xs:12px;
  --shadow-1:0 8px 24px rgba(20,26,31,.06);
  --shadow-2:0 18px 40px rgba(20,26,31,.12);
  --bs-primary:#FF6A2B;
  --bs-body-bg:#F7F4EF;
  --bs-body-color:#1B1F23;
  --bs-border-radius:14px;
  --bs-link-color:#1B1F23;
  --bs-link-hover-color:#FF6A2B;
  --bs-focus-ring-color:rgba(255,106,43,.35);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:'PingFang SC','Microsoft YaHei','Hiragino Sans GB','Noto Sans SC',system-ui,-apple-system,Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--body-bg);
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block;}
a{color:var(--text);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--primary);}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(255,106,43,.35);outline-offset:2px;}
.container,.container-lg,.container-xl{max-width:1200px;padding-left:20px;padding-right:20px;}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(4px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 8px 22px rgba(20,26,31,.07);}
.nav-inner{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;
  min-height:78px;transition:min-height .25s ease;
}
.site-header.scrolled .nav-inner{min-height:64px;}
.brand{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  display:flex;align-items:baseline;gap:8px;white-space:nowrap;
}
.brand-mark{font-size:23px;font-weight:800;letter-spacing:-.01em;color:var(--text);}
.brand-mark span{color:var(--primary);}
.brand-sub{font-size:14px;font-weight:500;color:var(--muted);}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links li a{
  font-size:15px;font-weight:500;color:var(--text);
  padding:8px 0;position:relative;display:inline-block;
}
.nav-links li a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-links li a:hover{color:var(--primary);}
.nav-links li a:hover::after{transform:scaleX(1);}
.nav-links li a.active{color:var(--primary);}
.nav-links li a.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:20px;}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;
  background:var(--grad-brand);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 8px 18px rgba(255,106,43,.26);border:0;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.nav-cta:hover{color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px rgba(255,106,43,.32);filter:brightness(1.03);}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--text);font-size:18px;align-items:center;justify-content:center;
}
.nav-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:8px 20px 20px;
}
.nav-drawer.open{display:block;}
.nav-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;font-size:15px;font-weight:500;border-bottom:1px solid var(--line);
}
.nav-drawer a i{color:var(--muted-2);font-size:13px;}
.nav-drawer a.active{color:var(--primary);}
.nav-drawer .drawer-cta{
  margin-top:16px;height:48px;width:100%;justify-content:center;border-radius:999px;
  background:var(--grad-brand);color:#fff;font-weight:600;border-bottom:0;display:flex;
}
.nav-drawer .drawer-cta:hover{color:#fff;}

/* ---------- buttons ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:52px;padding:0 28px;border-radius:999px;border:0;
  background:var(--grad-brand);color:#fff;font-size:16px;font-weight:600;
  box-shadow:0 12px 24px rgba(255,106,43,.28);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{color:#fff;transform:translateY(-1px);box-shadow:0 18px 34px rgba(255,106,43,.34);filter:brightness(1.03);}
.btn-brand:active{transform:translateY(0);box-shadow:0 10px 20px rgba(255,106,43,.28);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:52px;padding:0 26px;border-radius:999px;
  background:transparent;color:var(--primary);font-size:16px;font-weight:600;
  border:1.5px solid var(--primary);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-block-mobile{width:100%;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:15px;font-weight:600;
}
.link-more i{transition:transform .2s ease;}
.link-more:hover i{transform:translateX(3px);}

/* ---------- pills / badges ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:500;background:var(--primary-soft);color:var(--primary-dark);
}
.pill-green{background:var(--secondary-soft);color:var(--secondary);}
.pill-line{background:#fff;border:1px solid var(--line);color:var(--muted);}
.pill-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);display:inline-block;}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;padding:72px 0 76px;
  background:radial-gradient(760px 380px at 92% -6%,rgba(255,106,43,.08),rgba(255,106,43,0) 70%),var(--body-bg);
}
.hero-grid{display:grid;grid-template-columns:52% 48%;gap:48px;align-items:center;}
.hero-eyebrow{margin-bottom:18px;}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);
  font-weight:800;line-height:1.2;letter-spacing:-.01em;margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-lead{font-size:17px;color:var(--muted);line-height:1.9;max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px;}
.hero-trust{display:flex;gap:10px;flex-wrap:wrap;}
.trust-chip{
  display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 13px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--muted);
}
.trust-chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--secondary);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(255,106,43,.16),rgba(255,106,43,0) 58%);
  pointer-events:none;
}
.float-badge{
  position:absolute;background:#fff;border-radius:16px;border-left:4px solid var(--primary);
  padding:14px 18px;box-shadow:var(--shadow-2);min-width:158px;
}
.float-badge b{display:block;font-size:24px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--primary);line-height:1.2;}
.float-badge span{font-size:12px;color:var(--muted);}
.float-badge.b1{right:-14px;bottom:64px;animation:floatY 5.2s ease-in-out infinite;}
.float-badge.b2{left:-16px;bottom:-8px;border-left-color:var(--secondary);animation:floatY 6.4s ease-in-out infinite .6s;}
.float-badge.b2 b{color:var(--secondary);}
@keyframes floatY{0%,100%{transform:translateY(0);}50%{transform:translateY(-8px);}}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{margin-bottom:36px;}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.3;margin-bottom:12px;}
.section-head p{font-size:14px;color:var(--muted);max-width:720px;margin:0;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.bg-white-soft{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.bg-dark-block{background:var(--grad-dark);color:rgba(255,255,255,.86);}
.bg-dark-block h2,.bg-dark-block h3{color:#fff;}

/* ---------- stats strip ---------- */
.stats-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);padding:12px 8px;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat-item{padding:22px 20px;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:0;}
.stat-item b{display:block;font-size:clamp(26px,3vw,40px);font-weight:800;line-height:1.15;font-variant-numeric:tabular-nums;color:var(--accent);}
.stat-item em{display:block;font-style:normal;font-size:13px;color:var(--muted);margin-top:6px;}

/* ---------- feature asymmetric ---------- */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.feature-col{display:grid;gap:24px;}
.card-soft{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#F3D9C6;}
.card-feature{display:flex;flex-direction:column;height:100%;padding:32px;}
.card-num{
  font-size:15px;font-weight:800;color:var(--primary);letter-spacing:.04em;
  display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;
}
.card-num::after{content:"";height:2px;width:34px;background:var(--primary-soft);}
.card-soft h3{font-size:20px;line-height:1.45;margin-bottom:12px;}
.card-feature h3{font-size:22px;}
.card-soft p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:18px;}
.card-media{
  border-radius:var(--radius);overflow:hidden;margin-bottom:20px;
}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.grid-texture{
  background-image:linear-gradient(rgba(255,106,43,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,106,43,.06) 1px,transparent 1px);
  background-size:22px 22px;
  border-radius:var(--radius);padding:22px;border:1px dashed var(--line);
}
.mini-list{margin-bottom:20px;}
.mini-list li{display:flex;gap:10px;font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:8px;}
.mini-list li i{color:var(--secondary);font-size:12px;margin-top:8px;}

/* ---------- scene / steps ---------- */
.scene-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;margin-bottom:72px;}
.scene-row:last-child{margin-bottom:0;}
.scene-row.reverse .scene-text{order:2;}
.scene-row.reverse .scene-media{order:1;}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-1);}
.scene-text h3{font-size:22px;line-height:1.45;margin-bottom:14px;}
.scene-text > p{font-size:15px;color:var(--muted);margin-bottom:22px;}
.steps{border-left:2px solid var(--primary);padding-left:22px;}
.step{position:relative;padding-bottom:22px;}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:-29px;top:9px;width:11px;height:11px;border-radius:50%;
  background:#fff;border:2.5px solid var(--primary);
}
.step b{display:block;font-size:16px;font-weight:700;margin-bottom:4px;}
.step span{font-size:14px;color:var(--muted);line-height:1.8;}
.scene-wide{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:34px;display:grid;grid-template-columns:34% 66%;gap:32px;align-items:center;
  box-shadow:var(--shadow-1);margin-bottom:0;
}
.scene-wide img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius);}
.dual-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:18px;}
.dual-card{
  background:var(--body-bg);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px;
}
.dual-card b{display:block;font-size:15px;font-weight:700;margin-bottom:6px;}
.dual-card span{font-size:13px;color:var(--muted);line-height:1.75;}

/* ---------- news cards ---------- */
.news-card{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2);border-color:#F3D9C6;color:var(--text);}
.news-thumb{background:var(--primary-soft);}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-body .pill{align-self:flex-start;margin-bottom:12px;}
.news-title{
  font-size:18px;font-weight:700;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--primary);}
.news-desc{
  font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted-2);
  padding-top:14px;border-top:1px solid var(--line);
}
.news-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--muted-2);display:inline-block;}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);text-align:center;padding:32px;
}
.empty-state i{font-size:34px;color:var(--primary);opacity:.55;}
.empty-state p{margin:0;font-size:14px;color:var(--muted);}

/* ---------- social proof ---------- */
.proof-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start;}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;
  box-shadow:var(--shadow-1);margin-bottom:18px;
}
.quote-card:last-child{margin-bottom:0;}
.quote-card .mark{font-size:20px;font-weight:800;color:var(--primary);line-height:1;margin-bottom:10px;}
.quote-card p{font-size:15px;color:var(--text);line-height:1.85;margin-bottom:16px;}
.quote-user{display:flex;align-items:center;gap:12px;}
.avatar{
  width:40px;height:40px;border-radius:50%;background:var(--secondary-soft);color:var(--secondary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
}
.quote-user b{font-size:14px;font-weight:700;display:block;line-height:1.5;}
.quote-user span{font-size:13px;color:var(--muted);}
.partner-wall{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.partner{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:20px 16px;text-align:center;filter:grayscale(1);opacity:.72;
  transition:filter .25s ease,opacity .25s ease,transform .25s ease,box-shadow .25s ease;
}
.partner:hover{filter:grayscale(0);opacity:1;transform:translateY(-3px);box-shadow:var(--shadow-1);}
.partner b{display:block;font-size:20px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;}
.partner span{font-size:12px;color:var(--muted);}
.proof-note{
  margin-top:18px;background:var(--secondary-soft);border-radius:var(--radius-sm);
  padding:16px 18px;font-size:13px;color:#0B6B4B;line-height:1.8;
}

/* ---------- faq ---------- */
.faq-list{max-width:900px;margin:0 auto;}
.accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-bottom:12px;
}
.accordion-button{
  background:#fff;color:var(--text);font-size:16px;font-weight:700;line-height:1.6;
  padding:20px 22px 20px 26px;box-shadow:none;position:relative;
  transition:color .2s ease,background .2s ease;
}
.accordion-button::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;border-radius:0 4px 4px 0;
  background:var(--primary);transform:scaleY(0);transform-origin:center;transition:transform .2s ease;
}
.accordion-button:not(.collapsed){color:var(--primary);background:#fff;}
.accordion-button:not(.collapsed)::before{transform:scaleY(1);}
.accordion-button:focus{box-shadow:none;border-color:transparent;outline:none;}
.accordion-button:focus-visible{outline:3px solid rgba(255,106,43,.35);outline-offset:-3px;}
.accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--muted);width:auto;height:auto;transition:transform .2s ease,color .2s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--primary);}
.accordion-body{padding:4px 26px 22px;font-size:15px;color:var(--muted);line-height:1.9;}

/* ---------- cta band ---------- */
.cta-band{background:var(--grad-dark);border-radius:var(--radius-lg);padding:52px;color:rgba(255,255,255,.8);}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,32px);margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.74);font-size:15px;max-width:640px;margin-bottom:26px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.btn-on-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;height:52px;padding:0 28px;
  border-radius:999px;background:var(--grad-brand);color:#fff;font-weight:600;font-size:16px;border:0;
  transition:transform .2s ease,filter .2s ease;
}
.btn-on-dark:hover{color:#fff;transform:translateY(-1px);filter:brightness(1.04);}
.btn-on-dark-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;height:52px;padding:0 26px;
  border-radius:999px;background:transparent;color:#fff;font-weight:600;font-size:16px;
  border:1.5px solid rgba(255,255,255,.4);transition:background .2s ease,border-color .2s ease;
}
.btn-on-dark-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.7);color:#fff;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--grad-dark);color:rgba(255,255,255,.72);
  margin-top:88px;border-radius:24px 24px 0 0;padding:64px 0 0;
}
.footer-brand{display:flex;align-items:baseline;gap:8px;margin-bottom:16px;}
.footer-brand .brand-mark{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.6);}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin-bottom:18px;max-width:320px;}
.footer-contact{font-size:14px;color:rgba(255,255,255,.7);margin-bottom:18px;}
.footer-contact i{color:var(--primary);margin-right:8px;}
.socials{display:flex;gap:10px;}
.socials a{
  width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.82);font-size:15px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.socials a:hover{background:var(--primary);color:#fff;transform:translateY(-2px);}
.site-footer h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7);}
.footer-links a:hover{color:var(--primary);}
.footer-form label{display:block;font-size:14px;color:rgba(255,255,255,.74);margin-bottom:8px;}
.footer-form input{
  width:100%;height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 16px;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-form input::placeholder{color:rgba(255,255,255,.42);}
.footer-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,106,43,.25);}
.footer-form button{
  margin-top:12px;width:100%;height:48px;border-radius:999px;border:0;
  background:var(--grad-brand);color:#fff;font-size:15px;font-weight:600;
  transition:transform .2s ease,filter .2s ease;
}
.footer-form button:hover{transform:translateY(-1px);filter:brightness(1.04);}
.footer-hint{font-size:12px;color:rgba(255,255,255,.45);margin-top:10px;line-height:1.7;}
.footer-success{
  display:none;margin-top:12px;background:rgba(14,159,110,.18);border:1px solid rgba(14,159,110,.45);
  color:#9CE3C4;border-radius:12px;padding:10px 14px;font-size:13px;
}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--primary);}

/* ---------- sticky conversion bar ---------- */
.sticky-cta{
  position:fixed;right:28px;bottom:28px;z-index:1040;
  width:360px;max-width:calc(100vw - 32px);
  background:#fff;border:1px solid var(--line);border-radius:999px;
  box-shadow:var(--shadow-2);padding:10px 12px 10px 20px;
  display:flex;align-items:center;gap:14px;
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
}
.sticky-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.sticky-cta.hidden{display:none;}
.sticky-cta .txt{font-size:14px;font-weight:600;line-height:1.5;flex:1;}
.sticky-cta .txt span{display:block;font-size:12px;font-weight:400;color:var(--muted);}
.sticky-cta .go{
  height:44px;padding:0 20px;border-radius:999px;background:var(--grad-brand);color:#fff;
  font-size:14px;font-weight:600;display:inline-flex;align-items:center;white-space:nowrap;
}
.sticky-cta .go:hover{color:#fff;filter:brightness(1.03);}
.sticky-cta .close{
  width:32px;height:32px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--muted);
  display:flex;align-items:center;justify-content:center;font-size:13px;
}
.sticky-cta .close:hover{color:var(--primary);border-color:#F3D9C6;}
.back-top{
  position:fixed;right:28px;bottom:104px;z-index:1035;width:48px;height:48px;border-radius:50%;
  background:#fff;border:1px solid var(--line);color:var(--text);box-shadow:var(--shadow-1);
  display:flex;align-items:center;justify-content:center;font-size:15px;
  opacity:0;pointer-events:none;transition:opacity .3s ease,transform .3s ease,color .2s ease;
}
.back-top.show{opacity:1;pointer-events:auto;}
.back-top:hover{color:var(--primary);transform:translateY(-2px);}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .brand-mark{font-size:21px;}
  .nav-links{gap:22px;}
  .nav-links li a{font-size:14px;}
}
@media (max-width:991.98px){
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .nav-inner{min-height:66px;}
  .brand{position:static;transform:none;}
  .brand-mark{font-size:19px;}
  .brand-sub{display:none;}
  .hero{padding:48px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-visual{max-width:620px;}
  .float-badge.b1{right:8px;bottom:16px;}
  .float-badge.b2{left:8px;bottom:-14px;}
  .section{padding:64px 0;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line);}
  .feature-grid{grid-template-columns:1fr;}
  .scene-row{grid-template-columns:1fr;gap:28px;margin-bottom:52px;}
  .scene-row.reverse .scene-text{order:1;}
  .scene-row.reverse .scene-media{order:2;}
  .scene-wide{grid-template-columns:1fr;gap:22px;}
  .proof-grid{grid-template-columns:1fr;}
  .cta-band{padding:38px 30px;}
  .site-footer{margin-top:64px;padding-top:48px;}
  .site-footer .col-12+.col-12,.site-footer [class*="col-"]:not(:first-child){margin-top:34px;}
  .sticky-cta{right:16px;left:16px;width:auto;bottom:16px;}
  .back-top{right:16px;bottom:96px;}
}
@media (max-width:575.98px){
  body{padding-bottom:76px;font-size:15.5px;}
  .container,.container-lg,.container-xl{padding-left:16px;padding-right:16px;}
  .hero h1{font-size:29px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
  .float-badge{min-width:132px;padding:10px 14px;}
  .float-badge b{font-size:20px;}
  .float-badge.b1{bottom:10px;right:6px;}
  .float-badge.b2{left:6px;}
  .section{padding:48px 0;}
  .card-soft,.card-feature{padding:22px;}
  .dual-cards{grid-template-columns:1fr;}
  .partner-wall{grid-template-columns:repeat(2,1fr);}
  .cta-band{padding:30px 22px;border-radius:20px;}
  .cta-actions .btn-on-dark,.cta-actions .btn-on-dark-ghost{width:100%;}
  .accordion-button{font-size:15px;padding:16px 18px 16px 22px;}
  .accordion-body{padding:0 20px 18px;}
  .sticky-cta{
    left:0;right:0;bottom:0;width:100%;max-width:100%;border-radius:0;
    border-left:0;border-right:0;border-bottom:0;padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  }
  .sticky-cta .go{flex:1;justify-content:center;}
  .sticky-cta .txt span{display:none;}
  .back-top{bottom:96px;right:14px;width:44px;height:44px;}
}

/* roulang page: article */
:root{
  --primary:#FF6A2B;
  --primary-dark:#E2531A;
  --primary-soft:#FFEDE2;
  --secondary:#0E9F6E;
  --secondary-soft:#E4F6EE;
  --accent:#FFB020;
  --body-bg:#F7F4EF;
  --dark:#141A1F;
  --surface:#FFFFFF;
  --line:#ECE6DE;
  --text:#1B1F23;
  --muted:#5A646E;
  --faint:#8B949C;
  --grad-brand:linear-gradient(135deg,#FF6A2B 0%,#FF9E3D 100%);
  --grad-dark:linear-gradient(160deg,#141A1F 0%,#1F2A31 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --r-xs:12px;
  --sh-1:0 8px 24px rgba(20,26,31,.06);
  --sh-2:0 18px 40px rgba(20,26,31,.12);
  --bs-primary:#FF6A2B;
  --bs-body-bg:#F7F4EF;
  --bs-body-color:#1B1F23;
  --bs-border-radius:14px;
  --bs-link-color:#1B1F23;
  --bs-link-hover-color:#FF6A2B;
  --bs-focus-ring-color:rgba(255,106,43,.35);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'PingFang SC','Microsoft YaHei','Hiragino Sans GB','Noto Sans SC',system-ui,-apple-system,Arial,sans-serif;
  background:var(--body-bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--text);text-decoration:none;transition:color .2s ease,background-color .2s ease,box-shadow .2s ease,transform .2s ease;}
a:hover{color:var(--primary);}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;line-height:1.35;font-weight:700;}
p{margin:0;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(255,106,43,.35);border-radius:8px;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto;}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,244,239,.93);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(20,26,31,.07);}
.nav-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:14px;
  padding:16px 0;
  transition:padding .25s ease;
}
.site-header.is-scrolled .nav-inner{padding:10px 0;}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  padding-bottom:3px;
  display:inline-block;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;
  background:var(--primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-links a:hover{color:var(--primary);}
.nav-links a:hover::after,
.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--primary);font-weight:600;}
.brand{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  line-height:1.15;text-align:center;padding:0 10px;
}
.brand-mark{font-size:22px;font-weight:800;letter-spacing:-.01em;color:var(--text);}
.brand-mark span{font-size:13px;font-weight:600;color:var(--muted);margin-left:5px;letter-spacing:.02em;}
.brand-sub{font-size:11px;color:var(--faint);letter-spacing:.16em;margin-top:3px;}
.brand:hover .brand-mark{color:var(--primary-dark);}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:18px;}
.nav-right-links{gap:24px;}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;
  background:var(--grad-brand);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 8px 18px rgba(255,106,43,.26);
  white-space:nowrap;
}
.nav-cta:hover{color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px rgba(255,106,43,.34);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-xs);
  border:1px solid var(--line);background:#fff;color:var(--text);
  align-items:center;justify-content:center;font-size:16px;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}
.mobile-drawer{
  display:none;background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 16px 30px rgba(20,26,31,.08);
}
.mobile-drawer.open{display:block;}
.mobile-drawer ul{padding:8px 20px 0;}
.mobile-drawer li{border-bottom:1px solid var(--line);}
.mobile-drawer li:last-child{border-bottom:0;}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;font-size:15px;font-weight:500;
}
.mobile-drawer a i{color:var(--faint);font-size:13px;}
.mobile-drawer a.active{color:var(--primary);font-weight:600;}
.mobile-drawer .drawer-cta{padding:16px 20px 22px;}
.mobile-drawer .drawer-cta a{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:50px;border-radius:999px;background:var(--grad-brand);color:#fff;
  font-weight:600;box-shadow:0 10px 22px rgba(255,106,43,.28);
}
.mobile-drawer .drawer-cta a:hover{color:#fff;}

/* ===== 文章首屏 ===== */
.article-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFF8F2 0%,#F7F4EF 100%);
  padding:30px 0 42px;
}
.article-hero::after{
  content:"";position:absolute;right:-140px;top:-190px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.12),transparent 68%);
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:1;}
.breadcrumb-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:20px;
}
.breadcrumb-bar a{color:var(--muted);}
.breadcrumb-bar a:hover{color:var(--primary);}
.breadcrumb-bar .sep{color:var(--faint);}
.breadcrumb-bar .current{color:var(--text);font-weight:500;max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{
  font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.35;
  letter-spacing:-.01em;max-width:920px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:18px;font-size:13px;color:var(--muted);
}
.article-meta .tag-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);
  font-size:13px;font-weight:600;
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--faint);display:inline-block;}
.title-rule{width:48px;height:3px;border-radius:3px;background:var(--primary);margin-top:20px;}

/* ===== 主体 ===== */
.article-main{padding:46px 0 20px;}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:44px;align-items:start;}
.article-content{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:38px 42px;
  font-size:17px;
  line-height:1.95;
  color:var(--text);
  overflow-wrap:break-word;
  word-break:break-word;
}
.article-content > *:first-child{margin-top:0;}
.article-content > *:last-child{margin-bottom:0;}
.article-content h2{
  font-size:22px;font-weight:700;line-height:1.45;
  margin:1.6em 0 .7em;padding-left:14px;border-left:4px solid var(--primary);
}
.article-content h3{font-size:18px;font-weight:700;margin:1.4em 0 .6em;}
.article-content h4{font-size:16px;font-weight:700;margin:1.2em 0 .5em;color:var(--muted);}
.article-content p{margin:0 0 1.1em;}
.article-content ul,.article-content ol{margin:0 0 1.1em;padding-left:0;}
.article-content ul li{position:relative;padding-left:22px;margin-bottom:.55em;}
.article-content ul li::before{
  content:"";position:absolute;left:3px;top:.78em;width:7px;height:7px;border-radius:50%;
  background:var(--primary);
}
.article-content ol{counter-reset:li;padding-left:0;}
.article-content ol li{position:relative;padding-left:34px;margin-bottom:.6em;counter-increment:li;}
.article-content ol li::before{
  content:counter(li,decimal-leading-zero);
  position:absolute;left:0;top:.12em;font-size:13px;font-weight:800;color:var(--primary);
  letter-spacing:.02em;
}
.article-content blockquote{
  margin:1.5em 0;padding:18px 22px;
  background:var(--primary-soft);border-left:4px solid var(--primary);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:#3A2A22;font-size:16px;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:var(--r-sm);margin:1.5em auto;}
.article-content a{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px;}
.article-content strong{font-weight:700;}
.article-content table{
  width:100%;border-collapse:separate;border-spacing:0;margin:1.5em 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-xs);overflow:hidden;
}
.article-content thead th{background:#FFF6EF;font-weight:700;text-align:left;}
.article-content th,.article-content td{padding:12px 16px;border-bottom:1px solid var(--line);}
.article-content tbody tr:nth-child(even){background:#FCFAF7;}
.article-content tbody tr:last-child td{border-bottom:0;}
.article-content pre{
  background:var(--dark);color:#F2EDE7;padding:18px 20px;border-radius:var(--r-sm);
  overflow:auto;font-size:14px;line-height:1.7;margin:1.5em 0;
}
.article-content code{
  background:#F4EFE8;color:var(--primary-dark);padding:2px 6px;border-radius:6px;font-size:.92em;
}
.article-content pre code{background:none;color:inherit;padding:0;}
.article-content figure{margin:1.5em 0;}
.article-content figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.empty-state{text-align:center;padding:34px 10px 18px;}
.empty-state i{font-size:42px;color:var(--faint);}
.empty-state h2{margin:18px 0 10px;font-size:22px;border:0;padding:0;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* ===== 侧栏 ===== */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;align-self:start;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);padding:22px;
}
.side-card h3{
  font-size:16px;font-weight:700;margin-bottom:16px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3 i{color:var(--primary);font-size:15px;}
.side-steps li{
  position:relative;padding-left:34px;font-size:14px;line-height:1.7;
  color:var(--muted);margin-bottom:14px;
}
.side-steps li:last-child{margin-bottom:0;}
.side-steps li span{
  position:absolute;left:0;top:1px;font-size:13px;font-weight:800;color:var(--primary);
  font-variant-numeric:tabular-nums;
}
.side-posts li{margin-bottom:16px;}
.side-posts li:last-child{margin-bottom:0;}
.side-posts a{display:flex;gap:12px;align-items:flex-start;}
.side-posts img{width:64px;height:64px;border-radius:var(--r-xs);object-fit:cover;flex-shrink:0;}
.side-posts .sp-t{font-size:14px;font-weight:600;line-height:1.55;color:var(--text);display:block;}
.side-posts a:hover .sp-t{color:var(--primary);}
.side-posts .sp-m{font-size:12px;color:var(--faint);margin-top:4px;display:block;}
.side-cta{background:var(--primary-soft);border-color:#FFD9C4;}
.side-cta p{font-size:14px;line-height:1.75;color:#5A3B2C;margin-bottom:16px;}
.side-cta .btn-main{width:100%;height:46px;font-size:15px;}

/* ===== 按钮 / 药丸 / 文字链 ===== */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border-radius:999px;border:none;
  background:var(--grad-brand);color:#fff;font-size:16px;font-weight:600;
  box-shadow:0 10px 24px rgba(255,106,43,.26);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.btn-main:hover{color:#fff;transform:translateY(-1px);box-shadow:0 16px 34px rgba(255,106,43,.34);filter:brightness(1.03);}
.btn-main:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,106,43,.24);}
.btn-second{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;
  background:transparent;border:1.5px solid var(--primary);color:var(--primary);
  font-size:16px;font-weight:600;
  transition:background-color .22s ease,color .22s ease,transform .22s ease;
}
.btn-second:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-1px);}
.pill{
  display:inline-flex;align-items:center;height:28px;padding:0 13px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary-dark);font-size:13px;font-weight:600;white-space:nowrap;
}
.pill.is-green{background:var(--secondary-soft);color:#0B7A54;}
.pill.is-line{background:#fff;border:1px solid var(--line);color:var(--muted);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--primary);
}
.text-link i{transition:transform .2s ease;}
.text-link:hover{color:var(--primary-dark);}
.text-link:hover i{transform:translateX(3px);}

/* ===== 文章底部 ===== */
.section-block{padding:34px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;flex-wrap:wrap;margin-bottom:26px;
}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;}
.section-head .sub{font-size:13px;color:var(--muted);margin-top:8px;}

.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:26px;}
.article-tags .tag-label{font-size:13px;color:var(--muted);font-weight:600;}
.article-tags a{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--muted);
}
.article-tags a:hover{background:var(--primary-soft);border-color:#FFD9C4;color:var(--primary-dark);}

.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:10px;}
.post-nav-item{
  display:flex;flex-direction:column;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;box-shadow:var(--sh-1);
}
.post-nav-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#FFD9C4;}
.post-nav-item .dir{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:6px;}
.post-nav-item .ttl{font-size:16px;font-weight:700;line-height:1.55;}
.post-nav-item.next{text-align:right;}
.post-nav-item.next .dir{justify-content:flex-end;}

.post-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#FFD9C4;}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:#F1ECE5;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.post-card:hover .post-thumb img{transform:scale(1.05);}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-title{font-size:18px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card:hover .post-title{color:var(--primary);}
.post-excerpt{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{
  margin-top:auto;display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--faint);padding-top:6px;
}
.post-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--faint);display:inline-block;}

.article-cta{padding:14px 0 60px;}
.cta-box{
  background:var(--grad-dark);border-radius:var(--r-lg);padding:38px 42px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-box::after{
  content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.22),transparent 68%);pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:620px;}
.cta-copy h2{color:#fff;font-size:clamp(20px,2.4vw,26px);margin-bottom:12px;}
.cta-copy p{color:rgba(255,255,255,.7);font-size:15px;line-height:1.8;}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap;}
.cta-actions .btn-second{border-color:rgba(255,255,255,.5);color:#fff;}
.cta-actions .btn-second:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ===== 底部固定转化条 ===== */
.sticky-cta{
  position:fixed;right:24px;bottom:24px;z-index:1040;
  display:flex;align-items:center;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:10px 12px 10px 22px;box-shadow:var(--sh-2);
  opacity:0;transform:translateY(18px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;max-width:420px;
}
.sticky-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.sticky-text{font-size:14px;color:var(--muted);line-height:1.5;}
.sticky-cta .btn-main{height:44px;padding:0 20px;font-size:15px;}
.sticky-close{
  width:30px;height:30px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--faint);font-size:12px;display:inline-flex;
  align-items:center;justify-content:center;flex-shrink:0;
}
.sticky-close:hover{border-color:var(--primary);color:var(--primary);}
.to-top{
  position:fixed;right:24px;bottom:108px;z-index:1035;
  width:48px;height:48px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--muted);font-size:15px;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);opacity:0;transform:translateY(10px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease,color .2s ease,border-color .2s ease;
}
.to-top.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.to-top:hover{color:var(--primary);border-color:#FFD9C4;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--grad-dark);color:#E9E4DE;
  border-radius:24px 24px 0 0;padding:62px 0 0;margin-top:20px;
}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.footer-brand{display:flex;flex-direction:column;margin-bottom:16px;}
.footer-brand .brand-mark{font-size:20px;font-weight:800;color:#fff;}
.footer-brand .brand-mark span{font-size:13px;font-weight:600;color:rgba(255,255,255,.72);margin-left:5px;}
.footer-brand .brand-sub{font-size:11px;color:rgba(255,255,255,.45);letter-spacing:.16em;margin-top:4px;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin-bottom:14px;}
.footer-contact{font-size:14px;color:rgba(255,255,255,.72);display:flex;align-items:center;gap:8px;}
.footer-contact i{color:var(--primary);}
.socials{display:flex;gap:10px;margin-top:18px;}
.socials a{
  width:38px;height:38px;border-radius:var(--r-xs);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.85);
}
.socials a:hover{background:var(--primary);border-color:var(--primary);color:#fff;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--primary);}
.footer-form label{display:block;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:10px;line-height:1.6;}
.footer-form input{
  width:100%;height:48px;border-radius:var(--r-xs);
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);
  color:#fff;padding:0 16px;font-size:14px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-form input::placeholder{color:rgba(255,255,255,.35);}
.footer-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,106,43,.25);}
.footer-form button{
  margin-top:12px;width:100%;height:48px;border-radius:999px;border:none;
  background:var(--grad-brand);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 10px 22px rgba(255,106,43,.24);
  transition:transform .22s ease,box-shadow .22s ease;
}
.footer-form button:hover{transform:translateY(-1px);box-shadow:0 14px 28px rgba(255,106,43,.32);}
.footer-hint{font-size:12px;color:rgba(255,255,255,.45);margin-top:10px;line-height:1.7;}
.footer-success{
  display:none;margin-top:12px;padding:10px 14px;border-radius:var(--r-xs);
  background:rgba(14,159,110,.18);border:1px solid rgba(14,159,110,.42);
  color:#8FE3C2;font-size:13px;
}
.footer-success.show{display:block;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;justify-content:space-between;align-items:center;
  gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6);
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .article-grid{grid-template-columns:minmax(0,1fr) 300px;gap:32px;}
  .article-content{padding:32px 32px;}
}
@media (max-width:991px){
  .nav-inner{grid-template-columns:1fr auto 1fr;}
  .nav-links{display:none;}
  .nav-right-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .article-grid{grid-template-columns:1fr;gap:32px;}
  .sidebar{position:static;}
  .article-content{padding:28px 24px;font-size:16.5px;}
  .cta-box{padding:32px 28px;}
}
@media (max-width:767px){
  body{padding-bottom:66px;}
  .container{padding-left:16px;padding-right:16px;}
  .brand-mark{font-size:19px;}
  .brand-mark span{font-size:12px;}
  .brand-sub{display:none;}
  .article-hero{padding:22px 0 32px;}
  .article-content{padding:24px 18px;font-size:16px;line-height:1.9;border-radius:var(--r-md);}
  .article-content h2{font-size:20px;}
  .article-content h3{font-size:17px;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav-item.next{text-align:left;}
  .post-nav-item.next .dir{justify-content:flex-start;}
  .section-block{padding:26px 0;}
  .sticky-cta{
    left:0;right:0;bottom:0;max-width:none;border-radius:0;
    border-left:none;border-right:none;border-bottom:none;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    justify-content:space-between;transform:translateY(100%);
  }
  .sticky-cta.show{transform:translateY(0);}
  .sticky-text{font-size:12.5px;flex:1;line-height:1.4;}
  .sticky-cta .btn-main{height:42px;padding:0 18px;font-size:14px;}
  .to-top{right:16px;bottom:84px;width:44px;height:44px;}
  .article-cta{padding:8px 0 44px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-second{flex:1;padding:0 18px;font-size:15px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .article-hero h1{font-size:24px;}
  .article-meta{font-size:12.5px;}
  .breadcrumb-bar .current{max-width:180px;}
  .post-body{padding:18px;}
}

/* roulang page: category1 */
:root{
  --primary:#FF6A2B;
  --primary-dark:#E2531A;
  --primary-soft:#FFEDE2;
  --secondary:#0E9F6E;
  --secondary-soft:#E4F6EE;
  --accent:#FFB020;
  --bg:#F7F4EF;
  --dark:#141A1F;
  --surface:#FFFFFF;
  --line:#ECE6DE;
  --text:#1B1F23;
  --muted:#5A646E;
  --faint:#8B949C;
  --grad-brand:linear-gradient(135deg,#FF6A2B 0%,#FF9E3D 100%);
  --grad-dark:linear-gradient(160deg,#141A1F 0%,#1F2A31 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --r-xs:12px;
  --sh-1:0 8px 24px rgba(20,26,31,.06);
  --sh-2:0 18px 40px rgba(20,26,31,.12);
  --bs-primary:#FF6A2B;
  --bs-body-bg:#F7F4EF;
  --bs-body-color:#1B1F23;
  --bs-border-radius:14px;
  --bs-link-color:#1B1F23;
  --bs-link-hover-color:#FF6A2B;
  --bs-focus-ring-color:rgba(255,106,43,.35);
  --bs-font-sans-serif:'PingFang SC','Microsoft YaHei','Hiragino Sans GB','Noto Sans SC',system-ui,-apple-system,Arial,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'PingFang SC','Microsoft YaHei','Hiragino Sans GB','Noto Sans SC',system-ui,-apple-system,Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block;}
a{color:var(--text);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(255,106,43,.35);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(150%) blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(20,26,31,.07);}
.nav-inner{
  position:relative;display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding:14px 0;transition:padding .25s ease;
}
.site-header.scrolled .nav-inner{padding:8px 0;}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links li{list-style:none;}
.nav-links a{
  position:relative;display:inline-block;padding:6px 2px;
  font-size:15px;font-weight:500;color:var(--text);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-links a:hover{color:var(--primary);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--primary);font-weight:700;}
.nav-links a.active::after{transform:scaleX(1);}
.brand{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  display:flex;flex-direction:column;align-items:center;line-height:1.2;
  text-align:center;
}
.brand-mark{font-size:22px;font-weight:800;color:var(--text);white-space:nowrap;}
.brand-mark span{font-size:14px;font-weight:700;color:var(--primary);margin-left:4px;}
.brand-sub{font-size:11px;color:var(--faint);margin-top:3px;}
.nav-right{display:flex;align-items:center;gap:18px;}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 20px;border-radius:999px;
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 6px 18px rgba(255,106,43,.28);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.nav-cta:hover{color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,106,43,.36);filter:brightness(1.03);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-xs);
  border:1px solid var(--line);background:#fff;color:var(--text);
  align-items:center;justify-content:center;font-size:16px;
}

/* ============ 通用 ============ */
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.sec-head{margin-bottom:36px;max-width:760px;}
.sec-head h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.3;}
.sec-head p{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.75;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;color:var(--primary);
  background:var(--primary-soft);border-radius:999px;padding:5px 14px;margin-bottom:14px;
}
.btn-j{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:50px;padding:0 28px;border-radius:999px;font-size:16px;font-weight:600;
  border:none;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,filter .2s ease;
}
.btn-j-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 26px rgba(255,106,43,.28);}
.btn-j-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:0 18px 38px rgba(255,106,43,.36);filter:brightness(1.03);}
.btn-j-primary:active{transform:translateY(0);}
.btn-j-ghost{background:transparent;color:var(--primary);border:1.5px solid var(--primary);}
.btn-j-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);}
.btn-j:disabled{opacity:.55;cursor:not-allowed;}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:15px;font-weight:600;}
.text-link i{transition:transform .2s ease;}
.text-link:hover i{transform:translateX(3px);}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  height:30px;padding:0 13px;border-radius:999px;
  font-size:14px;font-weight:600;background:var(--primary-soft);color:var(--primary-dark);
  border:1px solid transparent;
}
.pill-soft{background:#fff;color:var(--muted);border:1px solid var(--line);}
.pill-green{background:var(--secondary-soft);color:var(--secondary);}

/* ============ 面包屑 + Hero ============ */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:22px 0 4px;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:var(--faint);}
.crumbs .current{color:var(--text);font-weight:600;}

.page-hero{padding:18px 0 8px;}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center;}
.hero-copy h1{font-size:clamp(30px,4.2vw,48px);font-weight:800;line-height:1.22;letter-spacing:-.01em;}
.hero-copy h1 em{font-style:normal;color:var(--primary);}
.hero-lead{margin-top:20px;font-size:16px;line-height:1.9;color:var(--muted);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-notes{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-chip{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px;
}
.hero-chip .dot{width:7px;height:7px;border-radius:50%;background:var(--secondary);}
.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  min-height:280px;height:100%;box-shadow:var(--sh-1);
}
.hero-media img{width:100%;height:100%;min-height:280px;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(255,106,43,.32) 0%,rgba(20,26,31,.55) 78%);
}
.hero-media-text{
  position:absolute;left:26px;right:26px;bottom:24px;z-index:2;color:#fff;
}
.hero-media-text span{display:block;font-size:12px;font-weight:700;letter-spacing:.02em;color:#FFD9C4;}
.hero-media-text strong{display:block;margin-top:6px;font-size:20px;font-weight:700;line-height:1.45;}
.hero-media-text p{margin-top:8px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.82);}

.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.filter-bar button{
  height:34px;padding:0 16px;border-radius:999px;font-size:14px;font-weight:600;
  background:#fff;color:var(--muted);border:1px solid var(--line);cursor:pointer;
  transition:all .2s ease;
}
.filter-bar button:hover{border-color:var(--primary);color:var(--primary);}
.filter-bar button.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(255,106,43,.26);}

/* ============ 数据条 ============ */
.metric-band{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:28px 10px;margin-top:52px;
}
.metric-row{display:grid;grid-template-columns:repeat(4,1fr);}
.metric-item{padding:6px 22px;border-right:1px solid var(--line);}
.metric-item:last-child{border-right:none;}
.metric-item b{display:block;font-size:clamp(26px,3vw,38px);font-weight:800;line-height:1.2;color:var(--primary);font-variant-numeric:tabular-nums;}
.metric-item span{display:block;margin-top:6px;font-size:13px;color:var(--muted);line-height:1.6;}

/* ============ 卡片网格 ============ */
.c-card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.c-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#F4D9C8;}
.c-cover{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:#F1ECE4;}
.c-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.c-card:hover .c-cover img{transform:scale(1.04);}
.c-tag{
  position:absolute;left:14px;top:14px;
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--primary-dark);font-size:12px;font-weight:700;
}
.c-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.c-body h3{font-size:18px;font-weight:700;line-height:1.5;}
.c-body h3 a{color:var(--text);}
.c-body h3 a:hover{color:var(--primary);}
.c-body .c-desc{margin-top:12px;font-size:14px;line-height:1.85;color:var(--muted);flex:1;}
.c-meta{display:flex;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--faint);}
.c-meta .sep{width:4px;height:4px;border-radius:50%;background:var(--faint);}
.c-foot{margin-top:14px;}

/* ============ 流程步骤 ============ */
.flow-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:38px 34px;}
.steps{margin-top:10px;}
.steps li{position:relative;padding:0 0 30px 34px;border-left:2px solid var(--line);}
.steps li:last-child{border-left-color:transparent;padding-bottom:0;}
.steps li::before{
  content:"";position:absolute;left:-9px;top:4px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--primary);
}
.steps li.done::before{background:var(--primary);}
.steps li b{display:block;font-size:16px;font-weight:700;}
.steps li p{margin-top:6px;font-size:14px;line-height:1.8;color:var(--muted);}
.steps li .step-no{display:inline-block;font-size:12px;font-weight:800;color:var(--primary);margin-bottom:2px;}

/* ============ 卡点列表 ============ */
.point-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;height:100%;box-shadow:var(--sh-1);transition:box-shadow .25s ease,transform .25s ease;
}
.point-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.point-card h3{font-size:17px;font-weight:700;display:flex;align-items:center;gap:10px;}
.point-card h3 i{color:var(--primary);font-size:16px;}
.point-card p{margin-top:12px;font-size:14px;line-height:1.85;color:var(--muted);}
.point-card ul{margin-top:14px;}
.point-card ul li{position:relative;padding-left:18px;font-size:14px;line-height:1.9;color:var(--muted);}
.point-card ul li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--primary);}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;}
.accordion-item{
  border:1px solid var(--line) !important;border-radius:16px !important;
  background:#fff;margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.accordion-button{
  position:relative;font-size:17px;font-weight:700;color:var(--text);
  background:#fff;padding:20px 22px;box-shadow:none !important;
}
.accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;
  border-radius:0 4px 4px 0;background:var(--primary);
  transform:scaleY(0);transform-origin:center;transition:transform .2s ease;
}
.accordion-button:not(.collapsed)::before{transform:scaleY(1);}
.accordion-button:not(.collapsed){color:var(--primary);background:var(--primary-soft);}
.accordion-button:focus{box-shadow:none;outline:none;}
.accordion-button::after{
  content:"";width:10px;height:10px;margin-left:auto;
  border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  background-image:none !important;transform:rotate(45deg);
  transition:transform .2s ease;flex:0 0 auto;
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);}
.accordion-body{padding:6px 22px 22px;font-size:15px;line-height:1.9;color:var(--muted);}

/* ============ 深色 CTA ============ */
.cta-band{
  background:var(--grad-dark);border-radius:var(--r-lg);
  padding:56px 44px;color:#fff;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.32) 0%,rgba(255,106,43,0) 70%);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:30px;}
.cta-inner h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.35;color:#fff;}
.cta-inner p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.72);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.btn-dark-primary{background:var(--grad-brand);color:#fff;box-shadow:0 12px 30px rgba(255,106,43,.32);}
.btn-dark-primary:hover{color:#fff;transform:translateY(-1px);}
.btn-dark-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.45);}
.btn-dark-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ============ 分页 ============ */
.pager{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:44px;}
.pager a{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:44px;padding:0 14px;border-radius:var(--r-xs);
  background:#fff;border:1px solid var(--line);color:var(--text);
  font-size:15px;font-weight:600;transition:all .2s ease;
}
.pager a:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}
.pager a.current{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 10px 22px rgba(255,106,43,.26);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--grad-dark);color:#EDE8E1;margin-top:80px;
  border-radius:24px 24px 0 0;padding:66px 0 0;
}
.footer-brand{display:flex;flex-direction:column;}
.footer-brand .brand-mark{color:#fff;font-size:20px;}
.footer-brand .brand-mark span{color:var(--primary);font-size:13px;}
.footer-brand .brand-sub{color:rgba(255,255,255,.5);}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);}
.footer-contact{margin-top:16px;font-size:14px;color:rgba(255,255,255,.68);display:flex;align-items:center;gap:8px;}
.socials{display:flex;gap:10px;margin-top:20px;}
.socials a{
  width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:#fff;font-size:15px;
  transition:all .2s ease;
}
.socials a:hover{background:var(--primary);border-color:var(--primary);color:#fff;transform:translateY(-2px);}
.site-footer h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-links a:hover{color:var(--primary);}
.footer-form label{display:block;font-size:14px;color:rgba(255,255,255,.68);margin-bottom:10px;}
.footer-form input{
  width:100%;height:48px;border-radius:var(--r-xs);padding:0 14px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:14px;outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-form input::placeholder{color:rgba(255,255,255,.4);}
.footer-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,106,43,.25);}
.footer-form button{
  margin-top:12px;width:100%;height:48px;border:none;border-radius:var(--r-xs);
  background:var(--grad-brand);color:#fff;font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease;
}
.footer-form button:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,106,43,.3);}
.footer-hint{margin-top:10px;font-size:12px;color:rgba(255,255,255,.45);line-height:1.7;}
.footer-success{
  display:none;margin-top:12px;padding:10px 14px;border-radius:var(--r-xs);
  background:rgba(14,159,110,.18);border:1px solid rgba(14,159,110,.4);
  color:#9BE3C4;font-size:13px;
}
.footer-success.show{display:block;}
.footer-bottom{
  margin-top:52px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 固定转化条 & 返回顶部 ============ */
.sticky-cta{
  position:fixed;right:24px;bottom:24px;z-index:1040;
  width:360px;max-width:calc(100vw - 32px);
  display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:10px 12px 10px 20px;box-shadow:0 16px 40px rgba(20,26,31,.16);
  opacity:0;transform:translateY(20px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
}
.sticky-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.sticky-cta .sticky-text{font-size:13px;color:var(--muted);flex:1;line-height:1.5;}
.sticky-cta .sticky-go{
  display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 16px;border-radius:999px;
  background:var(--grad-brand);color:#fff;font-size:13px;font-weight:600;white-space:nowrap;
}
.sticky-cta .sticky-go:hover{color:#fff;}
.sticky-close{
  width:28px;height:28px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--faint);font-size:14px;line-height:1;cursor:pointer;flex:0 0 auto;
}
.sticky-close:hover{color:var(--primary);border-color:var(--primary);}
.to-top{
  position:fixed;right:26px;bottom:104px;z-index:1039;
  width:48px;height:48px;border-radius:50%;background:#fff;border:1px solid var(--line);
  color:var(--text);display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);opacity:0;pointer-events:none;transition:opacity .3s ease,transform .2s ease;
}
.to-top.show{opacity:1;pointer-events:auto;}
.to-top:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-2px);}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .container{max-width:100%;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .nav-inner{display:grid;grid-template-columns:1fr auto;align-items:center;padding:12px 0;}
  .brand{position:static;transform:none;grid-column:1 / -1;grid-row:1;justify-self:center;}
  .brand-mark{font-size:19px;}
  .brand-mark span{font-size:13px;}
  .nav-toggle{display:inline-flex;position:absolute;right:0;top:6px;}
  .nav-links{
    display:none;grid-column:1 / -1;flex-direction:column;gap:0;
    border-top:1px solid var(--line);margin-top:14px;padding-top:6px;
  }
  .nav-links li{width:100%;border-bottom:1px solid var(--line);}
  .nav-links a{display:block;width:100%;padding:14px 4px;font-size:15px;}
  .nav-links a::after{display:none;}
  .nav-inner.open .nav-links{display:flex;}
  .nav-right{grid-column:1 / -1;display:none;flex-direction:column;align-items:stretch;gap:10px;}
  .nav-inner.open .nav-right{display:flex;margin-top:6px;}
  .nav-right-links{display:flex;flex-direction:column;gap:0;}
  .nav-right-links li{width:100%;border-bottom:1px solid var(--line);}
  .nav-right-links a{display:block;width:100%;padding:14px 4px;}
  .nav-cta{justify-content:center;height:48px;border-radius:var(--r-xs);}
  .hero-grid{grid-template-columns:1fr;gap:30px;}
  .hero-media{min-height:240px;}
  .hero-media img{min-height:240px;}
  .metric-row{grid-template-columns:repeat(2,1fr);gap:0;}
  .metric-item{padding:16px 20px;border-right:none;border-bottom:1px solid var(--line);}
  .metric-item:nth-child(2n){border-right:none;}
  .metric-item:nth-last-child(-n+2){border-bottom:none;}
  .flow-wrap{padding:28px 22px;}
  .cta-band{padding:40px 26px;}
  .sticky-cta{bottom:16px;right:16px;left:16px;width:auto;}
  .to-top{bottom:96px;right:16px;width:44px;height:44px;}
  body{padding-bottom:0;}
}
@media (max-width:575px){
  .section{padding:48px 0;}
  .container{padding-left:16px;padding-right:16px;}
  .hero-copy h1{font-size:clamp(26px,7vw,34px);}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn-j{width:100%;}
  .btn-j{height:48px;padding:0 20px;font-size:15px;}
  .metric-row{grid-template-columns:1fr;}
  .metric-item{border-bottom:1px solid var(--line) !important;padding:14px 18px;}
  .metric-item:last-child{border-bottom:none !important;}
  .sticky-cta{flex-wrap:wrap;border-radius:var(--r-md);padding:12px 14px;}
  .sticky-cta .sticky-text{flex:1 1 100%;}
  .sticky-cta .sticky-go{flex:1;}
  .footer-bottom{flex-direction:column;}
  .site-footer{border-radius:18px 18px 0 0;}
}

/* roulang page: category2 */
:root{
  --primary:#FF6A2B;
  --primary-dark:#E2531A;
  --primary-soft:#FFEDE2;
  --secondary:#0E9F6E;
  --secondary-soft:#E4F6EE;
  --accent:#FFB020;
  --body-bg:#F7F4EF;
  --dark:#141A1F;
  --surface:#FFFFFF;
  --line:#ECE6DE;
  --text:#1B1F23;
  --muted:#5A646E;
  --muted-2:#8B949C;
  --grad-brand:linear-gradient(135deg,#FF6A2B 0%,#FF9E3D 100%);
  --grad-dark:linear-gradient(160deg,#141A1F 0%,#1F2A31 100%);
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --shadow-sm:0 8px 24px rgba(20,26,31,.06);
  --shadow-md:0 18px 40px rgba(20,26,31,.12);
  --bs-primary:#FF6A2B;
  --bs-body-bg:#F7F4EF;
  --bs-body-color:#1B1F23;
  --bs-border-radius:14px;
  --bs-link-color:#1B1F23;
  --bs-link-hover-color:#FF6A2B;
  --bs-focus-ring-color:rgba(255,106,43,.35);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--body-bg);
  color:var(--text);
  font-family:'PingFang SC','Microsoft YaHei','Hiragino Sans GB','Noto Sans SC',system-ui,-apple-system,Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--text);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--primary);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(255,106,43,.35);outline-offset:2px;}
h1,h2,h3,h4{font-weight:700;color:var(--text);margin:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(160%) blur(8px);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(20,26,31,.08);}
.nav-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;
  padding:18px 0;transition:padding .25s ease;
}
.site-header.is-scrolled .nav-inner{padding:10px 0;}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--text);
}
.nav-links a::after{
  content:'';position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--primary);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--primary);}
.brand{
  display:flex;flex-direction:column;align-items:center;line-height:1.15;text-align:center;
}
.brand-mark{font-size:22px;font-weight:800;letter-spacing:-.01em;color:var(--text);}
.brand-mark span{font-size:16px;font-weight:700;color:var(--primary);margin-left:4px;}
.brand-sub{font-size:11px;letter-spacing:.24em;color:var(--muted-2);margin-top:3px;}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:20px;}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 20px;
  border-radius:999px;background:var(--grad-brand);color:#fff;
  font-size:14px;font-weight:600;white-space:nowrap;
  box-shadow:0 8px 18px rgba(255,106,43,.24);
}
.nav-cta:hover{color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(255,106,43,.32);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--text);font-size:16px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}

/* ============ 面包屑 / 页面头部 ============ */
.page-hero{padding:38px 0 0;}
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted-2);margin-bottom:20px;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:var(--muted-2);}
.crumbs .current{color:var(--text);font-weight:600;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;background:var(--primary-soft);
  color:var(--primary-dark);font-size:13px;font-weight:600;margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,46px);font-weight:800;line-height:1.22;
  letter-spacing:-.01em;margin-bottom:18px;max-width:900px;
}
.hero-lead{
  max-width:820px;font-size:16px;line-height:1.9;color:var(--muted);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

/* 筛选标签条 */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;
  padding:14px;border:1px solid var(--line);border-radius:var(--r-md);
  background:#fff;box-shadow:var(--shadow-sm);
}
.pill{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);
  font-size:14px;font-weight:500;line-height:1;white-space:nowrap;
}
.pill-soft-green{background:var(--secondary-soft);color:var(--secondary);}
.pill-outline{background:#fff;border:1px solid var(--line);color:var(--muted);}
.filter-bar .pill{height:34px;padding:0 16px;cursor:pointer;font-size:14px;}
.filter-bar .pill:hover{border-color:var(--primary);color:var(--primary-dark);}
.filter-bar .pill.is-active{background:var(--primary);border-color:var(--primary);color:#fff;}

/* Hero 通栏图 */
.hero-banner{
  position:relative;margin-top:28px;height:268px;border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.hero-banner img{width:100%;height:100%;object-fit:cover;}
.hero-banner::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(20,26,31,.78) 0%,rgba(20,26,31,.42) 55%,rgba(255,106,43,.24) 100%);
}
.banner-text{position:absolute;left:30px;right:30px;bottom:26px;z-index:2;color:#fff;}
.banner-text h2{color:#fff;font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.4;margin-bottom:8px;}
.banner-text p{font-size:14px;color:rgba(255,255,255,.82);max-width:640px;line-height:1.7;}
.banner-badge{
  position:absolute;right:26px;top:26px;z-index:2;
  display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.96);border-radius:var(--r-md);
  padding:12px 18px 12px 14px;box-shadow:0 12px 28px rgba(20,26,31,.18);
}
.banner-badge .bar{width:4px;height:34px;border-radius:4px;background:var(--primary);}
.banner-badge .big{font-size:22px;font-weight:800;color:var(--text);line-height:1.1;}
.banner-badge .small{font-size:12px;color:var(--muted);line-height:1.3;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-tight{padding:64px 0 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.3;margin-bottom:12px;}
.section-sub{font-size:14px;line-height:1.8;color:var(--muted);}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:40px;}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:15px;font-weight:600;}
.text-link i{transition:transform .2s ease;}
.text-link:hover i{transform:translateX(3px);}

/* 按钮 */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border:0;border-radius:999px;
  background:var(--grad-brand);color:#fff;font-size:16px;font-weight:600;
  box-shadow:0 12px 26px rgba(255,106,43,.28);cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-main:hover{color:#fff;transform:translateY(-1px);box-shadow:0 18px 34px rgba(255,106,43,.34);filter:brightness(1.03);}
.btn-main:active{transform:translateY(0);box-shadow:0 10px 20px rgba(255,106,43,.28);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;background:transparent;
  border:1.5px solid var(--primary);color:var(--primary-dark);
  font-size:16px;font-weight:600;cursor:pointer;transition:background-color .2s ease,color .2s ease;
}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);}
.btn-white{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 28px;
  border-radius:999px;background:#fff;color:var(--dark);font-size:16px;font-weight:600;border:0;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-white:hover{color:var(--dark);transform:translateY(-1px);box-shadow:0 14px 30px rgba(0,0,0,.24);}
.btn-line-white{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 26px;
  border-radius:999px;background:transparent;border:1.5px solid rgba(255,255,255,.55);
  color:#fff;font-size:16px;font-weight:600;transition:background-color .2s ease,border-color .2s ease;
}
.btn-line-white:hover{color:#fff;background:rgba(255,255,255,.12);border-color:#fff;}

/* ============ 数据徽章条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--shadow-sm);overflow:hidden;margin-top:40px;
}
.stat-item{padding:30px 26px;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:0;}
.stat-num{font-size:clamp(26px,3vw,40px);font-weight:800;line-height:1.1;color:var(--secondary);}
.stat-num.accent{color:var(--accent);}
.stat-num.primary{color:var(--primary);}
.stat-label{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.5;}

/* ============ 卡片网格 + 侧栏 ============ */
.layout-grid{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(0,1fr);gap:32px;align-items:start;}
.card-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.stack-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.stack-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,106,43,.32);}
.stack-cover{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--primary-soft);}
.stack-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.stack-card:hover .stack-cover img{transform:scale(1.04);}
.stack-body{display:flex;flex-direction:column;gap:12px;padding:24px 26px 26px;flex:1;}
.stack-body h3{font-size:19px;font-weight:700;line-height:1.45;}
.stack-body h3 a{color:var(--text);}
.stack-body h3 a:hover{color:var(--primary);}
.stack-body p{font-size:14.5px;line-height:1.8;color:var(--muted);}
.card-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--muted-2);margin-top:auto;padding-top:8px;
  border-top:1px solid var(--line);
}
.card-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--muted-2);display:inline-block;}

.rail-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:26px;box-shadow:var(--shadow-sm);margin-bottom:22px;
}
.rail-card h3{font-size:18px;margin-bottom:16px;}
.check-list li{
  position:relative;padding-left:26px;margin-bottom:14px;
  font-size:14.5px;line-height:1.75;color:var(--muted);
}
.check-list li::before{
  content:'\f00c';font-family:'Font Awesome 6 Free';font-weight:900;
  position:absolute;left:0;top:2px;font-size:12px;color:var(--secondary);
}
.check-list li strong{color:var(--text);font-weight:600;}
.rail-cta{background:var(--grad-dark);border-color:transparent;}
.rail-cta h3{color:#fff;}
.rail-cta p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.8;margin-bottom:18px;}
.rail-cta .btn-white{height:46px;font-size:15px;width:100%;}

/* ============ 流程 ============ */
.flow-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:38px 34px;box-shadow:var(--shadow-sm);}
.flow-list li{position:relative;padding-left:60px;padding-bottom:34px;}
.flow-list li:last-child{padding-bottom:0;}
.flow-list li::before{
  content:'';position:absolute;left:19px;top:42px;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--primary),rgba(255,106,43,.12));
}
.flow-list li:last-child::before{display:none;}
.flow-num{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary-dark);font-weight:800;font-size:14px;
}
.flow-list h3{font-size:17px;margin-bottom:8px;}
.flow-list p{font-size:14.5px;line-height:1.8;color:var(--muted);}

/* ============ 场景错位卡 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start;}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 28px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.scene-card.is-raised{transform:translateY(-24px);border-color:rgba(255,106,43,.35);}
.scene-card.is-raised:hover{transform:translateY(-28px);}
.scene-num{font-size:14px;font-weight:800;color:var(--primary);letter-spacing:.08em;}
.scene-card h3{font-size:18px;margin:12px 0 10px;}
.scene-card p{font-size:14.5px;line-height:1.8;color:var(--muted);}
.scene-card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}

/* ============ FAQ ============ */
.faq-acc .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md) !important;
  background:#fff;margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-sm);
}
.faq-acc .accordion-button{
  background:#fff;color:var(--text);font-size:17px;font-weight:700;
  padding:20px 22px;box-shadow:none !important;line-height:1.5;
}
.faq-acc .accordion-button:not(.collapsed){
  background:#fff;color:var(--primary-dark);
  box-shadow:inset 4px 0 0 var(--primary) !important;
}
.faq-acc .accordion-button::after{
  content:'\f078';font-family:'Font Awesome 6 Free';font-weight:900;
  background-image:none;width:auto;height:auto;font-size:14px;
  color:var(--primary);transition:transform .2s ease;margin-left:16px;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.faq-acc .accordion-body{
  padding:4px 22px 22px;font-size:15px;line-height:1.9;color:var(--muted);
}

/* ============ CTA 深色带 ============ */
.cta-band{
  background:var(--grad-dark);border-radius:28px;padding:56px 52px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  box-shadow:0 24px 48px rgba(20,26,31,.18);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,32px);line-height:1.35;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.85;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--grad-dark);color:rgba(255,255,255,.78);
  border-radius:24px 24px 0 0;margin-top:88px;padding:64px 0 0;
}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px;}
.footer-brand{display:flex;flex-direction:column;margin-bottom:16px;}
.footer-brand .brand-mark{color:#fff;font-size:21px;}
.footer-brand .brand-mark span{color:var(--primary);font-size:15px;margin-left:4px;}
.footer-brand .brand-sub{color:rgba(255,255,255,.5);font-size:11px;letter-spacing:.24em;margin-top:3px;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin-bottom:16px;}
.footer-contact{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:18px;}
.socials{display:flex;gap:10px;}
.socials a{
  width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:#fff;font-size:15px;
}
.socials a:hover{background:var(--primary);border-color:var(--primary);color:#fff;}
.footer-links li{margin-bottom:12px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-links a:hover{color:var(--primary);}
.footer-form label{display:block;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:10px;}
.footer-form input{
  width:100%;height:48px;border-radius:12px;padding:0 14px;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);
  color:#fff;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-form input::placeholder{color:rgba(255,255,255,.4);}
.footer-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,106,43,.3);}
.footer-form button{
  margin-top:12px;width:100%;height:48px;border:0;border-radius:999px;
  background:var(--grad-brand);color:#fff;font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease;
}
.footer-form button:hover{transform:translateY(-1px);box-shadow:0 14px 28px rgba(255,106,43,.32);}
.footer-hint{font-size:12.5px;color:rgba(255,255,255,.48);margin-top:10px;line-height:1.7;}
.footer-success{
  display:none;margin-top:12px;padding:10px 14px;border-radius:12px;
  background:rgba(14,159,110,.18);color:#7FE3BF;font-size:13.5px;
}
.footer-success.show{display:block;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:52px;padding:22px 0;font-size:13px;color:rgba(255,255,255,.6);
  border-top:1px solid rgba(255,255,255,.12);
}

/* ============ 固定转化条 / 返回顶部 ============ */
.sticky-cta{
  position:fixed;right:26px;bottom:26px;z-index:130;
  width:372px;max-width:calc(100vw - 32px);
  display:flex;align-items:center;gap:12px;
  padding:10px 12px 10px 20px;border-radius:999px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-md);
  opacity:0;transform:translateY(20px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
}
.sticky-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.sticky-cta .cta-text{flex:1;font-size:13.5px;line-height:1.5;color:var(--muted);}
.sticky-cta .btn-main{height:42px;padding:0 18px;font-size:14px;box-shadow:none;white-space:nowrap;}
.sticky-close{
  width:30px;height:30px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--muted);font-size:12px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
}
.sticky-close:hover{color:var(--primary);border-color:var(--primary);}
.to-top{
  position:fixed;right:26px;bottom:104px;z-index:125;
  width:48px;height:48px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--text);font-size:15px;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-sm);opacity:0;pointer-events:none;transition:opacity .3s ease,transform .3s ease;
}
.to-top.is-visible{opacity:1;pointer-events:auto;}
.to-top:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-2px);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .section{padding:72px 0;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .layout-grid{grid-template-columns:1fr;}
  .card-grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scene-card.is-raised{transform:none;}
  .scene-card.is-raised:hover{transform:translateY(-4px);}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line);}
  .cta-band{padding:44px 34px;}
  .site-footer{margin-top:64px;}

  .nav-inner{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:14px 0;}
  .site-header.nav-open .nav-inner{padding-bottom:18px;}
  .brand{order:1;margin-right:auto;flex-direction:row;align-items:baseline;gap:6px;text-align:left;}
  .brand-mark{font-size:19px;}
  .brand-mark span{font-size:14px;}
  .brand-sub{display:none;}
  .nav-right{display:contents;}
  .nav-toggle{order:2;margin-left:auto;display:inline-flex;}
  .nav-links,.nav-cta{display:none;}
  .site-header.nav-open .nav-links{
    order:5;display:flex;flex-direction:column;width:100%;gap:0;
    margin-top:10px;padding-top:10px;border-top:1px solid var(--line);
  }
  .site-header.nav-open .nav-links a{display:block;padding:13px 4px;font-size:16px;}
  .site-header.nav-open .nav-links a::after{display:none;}
  .site-header.nav-open .nav-right-links{margin-top:0;padding-top:0;border-top:0;}
  .site-header.nav-open .nav-cta{
    order:6;display:flex;width:100%;justify-content:center;height:48px;margin-top:14px;
  }
}
@media (max-width:767.98px){
  body{padding-bottom:82px;font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:48px 0;}
  .page-hero{padding:26px 0 0;}
  .hero-banner{height:220px;}
  .banner-text{left:20px;right:20px;bottom:20px;}
  .banner-badge{right:16px;top:16px;padding:10px 14px 10px 12px;}
  .banner-badge .big{font-size:18px;}
  .card-grid-2{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);}
  .stat-item:last-child{border-bottom:0;}
  .flow-wrap{padding:26px 20px;}
  .flow-list li{padding-left:52px;}
  .cta-band{padding:34px 24px;border-radius:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-white,.cta-actions .btn-line-white{width:100%;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .filter-bar{padding:12px;gap:8px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}

  .sticky-cta{
    left:0;right:0;bottom:0;width:100%;max-width:100%;
    border-radius:18px 18px 0 0;padding:12px 14px calc(12px + env(safe-area-inset-bottom));
    flex-wrap:wrap;gap:8px;
  }
  .sticky-cta .cta-text{width:100%;flex:none;text-align:center;}
  .sticky-cta .btn-main{width:100%;}
  .sticky-close{position:absolute;right:10px;top:-14px;background:#fff;}
  .to-top{right:16px;bottom:96px;width:44px;height:44px;}
}

/* roulang page: category3 */
:root{
  --primary:#FF6A2B;
  --primary-dark:#E2531A;
  --primary-soft:#FFEDE2;
  --secondary:#0E9F6E;
  --secondary-soft:#E4F6EE;
  --accent:#FFB020;
  --body-bg:#F7F4EF;
  --dark:#141A1F;
  --surface:#FFFFFF;
  --line:#ECE6DE;
  --text:#1B1F23;
  --muted:#5A646E;
  --weak:#8B949C;
  --grad-brand:linear-gradient(135deg,#FF6A2B 0%,#FF9E3D 100%);
  --grad-dark:linear-gradient(160deg,#141A1F 0%,#1F2A31 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --r-xs:12px;
  --sh-1:0 8px 24px rgba(20,26,31,.06);
  --sh-2:0 18px 40px rgba(20,26,31,.12);

  --bs-primary:#FF6A2B;
  --bs-primary-rgb:255,106,43;
  --bs-body-bg:#F7F4EF;
  --bs-body-color:#1B1F23;
  --bs-border-radius:14px;
  --bs-link-color:#1B1F23;
  --bs-link-hover-color:#FF6A2B;
  --bs-focus-ring-color:rgba(255,106,43,.35);
  --bs-font-sans-serif:'PingFang SC','Microsoft YaHei','Hiragino Sans GB','Noto Sans SC',system-ui,-apple-system,Arial,sans-serif;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--body-bg);
  color:var(--text);
  font-family:'PingFang SC','Microsoft YaHei','Hiragino Sans GB','Noto Sans SC',system-ui,-apple-system,Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary)}
a:focus-visible,button:focus-visible{outline:3px solid rgba(255,106,43,.35);outline-offset:2px}
button,input,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}

.container{max-width:1200px;padding-left:20px;padding-right:20px}
@media (min-width:1440px){.container{max-width:1280px}}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-sm{padding:56px 0}
.section-tint{background:#FFFDFA;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,36px);font-weight:700;margin-bottom:12px}
.section-head .sub{font-size:14px;color:var(--muted);line-height:1.75}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head-row .section-head{margin-bottom:0}

.pill{
  display:inline-flex;align-items:center;height:28px;padding:0 13px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary-dark);font-size:14px;font-weight:600;white-space:nowrap;
}
.pill-green{background:var(--secondary-soft);color:#0B7A55}
.pill-solid{background:var(--primary);color:#fff}

.text-link{display:inline-flex;align-items:center;gap:7px;color:var(--primary);font-size:15px;font-weight:600;white-space:nowrap}
.text-link i{transition:transform .2s ease;font-size:13px}
.text-link:hover i{transform:translateX(3px)}

.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 28px;border-radius:999px;font-size:16px;font-weight:600;
  cursor:pointer;border:none;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease;
}
.btn-main{background:var(--grad-brand);color:#fff;box-shadow:0 10px 22px rgba(255,106,43,.28)}
.btn-main:hover{color:#fff;transform:translateY(-1px);box-shadow:0 16px 30px rgba(255,106,43,.34);filter:brightness(1.03)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark)}
.btn-ghost:active{transform:translateY(1px)}
.btn-block{width:100%}
.btn-on-dark{background:#fff;color:var(--dark);box-shadow:0 10px 22px rgba(0,0,0,.25)}
.btn-on-dark:hover{color:var(--primary);transform:translateY(-1px)}

.meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--weak);display:inline-block}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(20,26,31,.07)}
.nav-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:78px}
.site-header.scrolled .nav-inner{min-height:66px}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:var(--text)}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--primary)}
.brand{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;line-height:1.15;text-align:center}
.brand-mark{font-size:21px;font-weight:800;letter-spacing:-.01em}
.brand-mark span{color:var(--primary);font-size:14px;font-weight:700;margin-left:3px}
.brand-sub{font-size:11px;color:var(--weak);letter-spacing:.2em;margin-top:2px}
.nav-right{display:flex;align-items:center;gap:24px}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;border-radius:999px;
  background:var(--grad-brand);color:#fff;font-size:14.5px;font-weight:600;
  box-shadow:0 8px 18px rgba(255,106,43,.26);transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.nav-cta:hover{color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px rgba(255,106,43,.33);filter:brightness(1.03)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--r-xs);
  background:#fff;border:1px solid var(--line);color:var(--text);cursor:pointer;font-size:17px;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}

.mobile-drawer{display:none;background:#fff;border-top:1px solid var(--line);padding-bottom:18px}
.mobile-drawer.open{display:block}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 20px;
  font-size:15px;font-weight:500;border-bottom:1px solid var(--line);
}
.mobile-drawer a i{font-size:12px;color:var(--weak)}
.mobile-drawer a.active{color:var(--primary)}
.mobile-drawer .drawer-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;height:50px;margin:18px 20px 0;
  border-radius:999px;background:var(--grad-brand);color:#fff;font-weight:600;border-bottom:none;
  box-shadow:0 10px 22px rgba(255,106,43,.26);
}
.mobile-drawer .drawer-cta:hover{color:#fff}

/* ============ 顶部标题区 ============ */
.page-head{padding:48px 0 32px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:var(--weak)}
.crumb .current{color:var(--text);font-weight:600}
.page-head h1{font-size:clamp(30px,4.6vw,52px);font-weight:800;line-height:1.2;letter-spacing:-.01em;margin-bottom:20px}
.page-head h1 em{font-style:normal;color:var(--primary)}
.page-head .lead{max-width:820px;font-size:16.5px;color:var(--muted);line-height:1.9}

.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.filter-bar .tag{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--muted);font-size:14px;font-weight:500;
  cursor:pointer;transition:all .2s ease;
}
.filter-bar .tag:hover{border-color:var(--primary);color:var(--primary)}
.filter-bar .tag.is-current{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(255,106,43,.24)}

/* ============ Banner ============ */
.banner-wrap{padding:0 0 8px}
.banner{
  position:relative;min-height:264px;border-radius:var(--r-lg);overflow:hidden;
  background-size:cover;background-position:center;
  display:flex;align-items:flex-end;
  box-shadow:var(--sh-1);
}
.banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(20,26,31,.82) 0%,rgba(20,26,31,.52) 55%,rgba(255,106,43,.18) 100%);
}
.banner-inner{position:relative;z-index:2;padding:32px 36px;color:#fff;max-width:720px}
.banner-tag{
  display:inline-flex;align-items:center;height:28px;padding:0 13px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:13px;font-weight:600;margin-bottom:14px;
}
.banner-inner h2{font-size:clamp(20px,2.4vw,28px);font-weight:800;color:#fff;margin-bottom:10px}
.banner-inner p{font-size:15px;color:rgba(255,255,255,.86);line-height:1.8;margin:0;max-width:640px}

/* ============ 置顶大卡 ============ */
.spotlight{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);
  gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .25s ease,transform .25s ease;
}
.spotlight:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.spotlight-media{position:relative;min-height:320px}
.spotlight-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.spotlight-body{padding:36px}
.spotlight-body h2{font-size:clamp(21px,2.4vw,28px);font-weight:800;line-height:1.4;margin:16px 0 14px}
.spotlight-body p{font-size:15.5px;color:var(--muted);line-height:1.9}
.check-list{margin:18px 0 22px;display:grid;gap:10px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text)}
.check-list li i{color:var(--secondary);font-size:14px;margin-top:7px}

/* ============ 纵向列表 ============ */
.list-stack{display:grid;gap:20px}
.list-item{
  display:grid;grid-template-columns:280px minmax(0,1fr) auto;align-items:center;gap:26px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px;
  box-shadow:var(--sh-1);transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.list-item:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#F3D8C8}
.list-media{border-radius:var(--r-sm);overflow:hidden;height:200px}
.list-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.list-item:hover .list-media img{transform:scale(1.04)}
.list-body h3{font-size:19px;font-weight:700;line-height:1.45;margin:12px 0 10px}
.list-body h3 a:hover{color:var(--primary)}
.list-body p{font-size:14.5px;color:var(--muted);line-height:1.85;margin-bottom:12px;max-width:640px}
.list-item .text-link{align-self:center}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:30px 26px 28px;box-shadow:var(--sh-1);transition:box-shadow .25s ease,transform .25s ease;
}
.step:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.step .num{
  font-size:34px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;
  line-height:1;letter-spacing:-.02em;
}
.step h3{font-size:18px;font-weight:700;margin:14px 0 10px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.85}
.step::before{
  content:"";position:absolute;left:26px;right:26px;top:0;height:3px;border-radius:0 0 3px 3px;
  background:var(--grad-brand);opacity:.85;
}

/* ============ 数据条 ============ */
.stat-strip{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  overflow:hidden;
}
.stat-item{padding:32px 26px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:none}
.stat-item .value{
  font-size:clamp(26px,3vw,40px);font-weight:800;line-height:1.1;letter-spacing:-.02em;
  color:var(--secondary);font-variant-numeric:tabular-nums;
}
.stat-item .value em{font-style:normal;font-size:.5em;font-weight:700;margin-left:4px;color:var(--muted)}
.stat-item p{font-size:13px;color:var(--muted);line-height:1.7;margin:10px 0 0}

/* ============ FAQ ============ */
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:16px;background:#fff;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.faq-accordion .accordion-item:last-child{margin-bottom:0}
.faq-accordion .accordion-button{
  background:#fff;color:var(--text);font-size:17px;font-weight:700;
  padding:20px 22px;box-shadow:none;border:none;line-height:1.5;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--primary);background:#fff;box-shadow:inset 4px 0 0 var(--primary);
}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:none;z-index:1}
.faq-accordion .accordion-button::after{
  background-image:none;content:"";width:9px;height:9px;margin-left:auto;
  border-right:2px solid var(--weak);border-bottom:2px solid var(--weak);
  transform:rotate(45deg);transition:transform .2s ease,border-color .2s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--primary)}
.faq-accordion .accordion-body{padding:0 22px 22px;font-size:15.5px;color:var(--muted);line-height:1.9}

/* ============ CTA 深色带 ============ */
.cta-band{
  background:var(--grad-dark);border-radius:var(--r-lg);padding:56px;
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;
  color:#fff;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.34) 0%,rgba(255,106,43,0) 70%);
}
.cta-band .cta-copy{position:relative;z-index:2}
.cta-band h2{font-size:clamp(23px,2.8vw,33px);font-weight:800;color:#fff;margin-bottom:16px}
.cta-band p{font-size:15.5px;color:rgba(255,255,255,.76);line-height:1.9}
.cta-points{display:grid;gap:12px;margin-top:24px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.86)}
.cta-points li i{color:var(--accent);font-size:14px;margin-top:7px}

.ask-form{
  position:relative;z-index:2;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);border-radius:var(--r-md);padding:28px;
}
.ask-form label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:rgba(255,255,255,.9)}
.ask-form .field{margin-bottom:16px}
.ask-form input,.ask-form textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-xs);
  background:rgba(255,255,255,.96);border:1px solid rgba(255,255,255,.3);
  color:var(--text);font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
}
.ask-form textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.ask-form input:focus,.ask-form textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,106,43,.3);
}
.ask-form .hint{font-size:13px;color:rgba(255,255,255,.6);margin:12px 0 0}
.ask-form .err{display:none;font-size:13px;color:#FF7A66;margin:8px 0 0}
.ask-form .err.show{display:block}
.form-success{
  display:none;margin-top:14px;padding:12px 14px;border-radius:var(--r-xs);
  background:var(--secondary-soft);color:#0B7A55;font-size:14px;font-weight:600;
}
.form-success.show{display:block}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;background:var(--grad-dark);color:#F2EDE7;
  border-radius:24px 24px 0 0;padding:64px 0 0;
}
.footer-brand{display:flex;flex-direction:column;margin-bottom:16px}
.footer-brand .brand-mark{font-size:20px;font-weight:800;color:#fff}
.footer-brand .brand-mark span{color:var(--primary);font-size:13.5px;margin-left:3px}
.footer-brand .brand-sub{font-size:11px;color:rgba(255,255,255,.5);letter-spacing:.2em;margin-top:3px}
.footer-desc{font-size:14px;color:rgba(255,255,255,.66);line-height:1.85;margin-bottom:16px}
.footer-contact{font-size:14px;color:rgba(255,255,255,.8);margin-bottom:18px}
.footer-contact i{color:var(--primary);margin-right:8px}
.socials{display:flex;gap:10px}
.socials a{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:#fff;font-size:15px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.socials a:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.site-footer h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-links a:hover{color:var(--primary)}
.footer-form label{display:block;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:10px}
.footer-form input{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-xs);
  background:rgba(255,255,255,.96);border:1px solid rgba(255,255,255,.16);color:var(--text);font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,106,43,.3)}
.footer-form button{
  width:100%;height:48px;margin-top:12px;border-radius:var(--r-xs);border:none;cursor:pointer;
  background:var(--grad-brand);color:#fff;font-size:15px;font-weight:600;
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease;
}
.footer-form button:hover{transform:translateY(-1px);filter:brightness(1.03);box-shadow:0 12px 24px rgba(255,106,43,.3)}
.footer-hint{font-size:12.5px;color:rgba(255,255,255,.5);margin:12px 0 0;line-height:1.7}
.footer-success{
  display:none;margin-top:12px;padding:10px 12px;border-radius:var(--r-xs);
  background:rgba(14,159,110,.18);border:1px solid rgba(14,159,110,.4);color:#8FE3C4;font-size:13px;
}
.footer-success.show{display:block}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 底部转化条 ============ */
.sticky-bar{
  position:fixed;right:24px;bottom:24px;z-index:1040;width:368px;
  display:flex;align-items:center;gap:14px;
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:12px 14px 12px 22px;
  box-shadow:0 18px 40px rgba(20,26,31,.16);
  opacity:0;transform:translateY(20px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
}
.sticky-bar.show{opacity:1;transform:translateY(0);pointer-events:auto}
.sticky-bar .bar-text{font-size:13.5px;line-height:1.5;color:var(--muted);flex:1}
.sticky-bar .bar-text strong{display:block;font-size:14.5px;color:var(--text)}
.sticky-bar .bar-cta{
  display:inline-flex;align-items:center;height:42px;padding:0 18px;border-radius:999px;
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:600;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease;
}
.sticky-bar .bar-cta:hover{color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(255,106,43,.3)}
.sticky-bar .bar-close{
  width:30px;height:30px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--weak);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;font-size:12px;flex-shrink:0;
}
.sticky-bar .bar-close:hover{color:var(--primary);border-color:var(--primary)}

.to-top{
  position:fixed;right:24px;bottom:104px;z-index:1035;
  width:48px;height:48px;border-radius:50%;background:#fff;border:1px solid var(--line);
  color:var(--text);display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:var(--sh-1);opacity:0;pointer-events:none;transition:opacity .3s ease,transform .2s ease,color .2s ease;
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{color:var(--primary);transform:translateY(-2px)}

/* ============ 响应式 ============ */
@media (max-width:991px){
  .section{padding:64px 0}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .brand{position:static;transform:none;align-items:flex-start;text-align:left;margin-right:auto}
  .nav-inner{min-height:68px}
  .spotlight{grid-template-columns:1fr}
  .spotlight-media{min-height:240px}
  .list-item{grid-template-columns:220px minmax(0,1fr);gap:20px}
  .list-media{height:180px}
  .list-item .text-link{grid-column:2;justify-self:start}
  .steps{grid-template-columns:1fr;gap:18px}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-item:nth-child(2){border-right:none}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
  .cta-band{grid-template-columns:1fr;padding:40px 28px;gap:32px}
  .site-footer{padding-top:52px}
}
@media (max-width:767px){
  body{font-size:15.5px;padding-bottom:84px}
  .container{padding-left:16px;padding-right:16px}
  .page-head{padding:32px 0 24px}
  .page-head h1{font-size:clamp(26px,7.4vw,34px)}
  .banner{min-height:240px;border-radius:20px}
  .banner-inner{padding:22px 20px}
  .spotlight-body{padding:24px 20px}
  .list-item{grid-template-columns:1fr;padding:16px}
  .list-media{height:190px}
  .list-item .text-link{grid-column:1}
  .stat-item{padding:24px 18px}
  .cta-band{padding:32px 20px;border-radius:20px}
  .ask-form{padding:20px}
  .site-footer{border-radius:20px 20px 0 0;margin-top:64px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .sticky-bar{
    left:0;right:0;bottom:0;width:auto;border-radius:18px 18px 0 0;padding:12px 14px;
    padding-bottom:calc(12px + env(safe-area-inset-bottom));
  }
  .sticky-bar .bar-text{display:none}
  .sticky-bar .bar-cta{flex:1;justify-content:center}
  .to-top{right:16px;bottom:88px;width:44px;height:44px}
}
@media (max-width:575px){
  .stat-strip{grid-template-columns:1fr}
  .stat-item{border-right:none;border-bottom:1px solid var(--line)}
  .stat-item:last-child{border-bottom:none}
  .filter-bar .tag{height:32px;padding:0 14px;font-size:13px}
  .btn-main,.btn-ghost{width:100%}
  .sticky-bar .bar-close{display:none}
}