/* roulang page: index */
:root{
  --color-energy:#E85D26; --color-energy-deep:#BC4414; --color-teal:#109E94; --color-amber:#F2B704;
  --color-night:#16191E; --color-ink:#22262B; --color-muted:#5F6B76; --color-sand:#F6F2EA; --color-line:#E4E0D8;
  --radius-lg:20px; --radius-md:12px; --radius-pill:999px;
  --shadow-card:0 4px 16px rgba(22,25,30,.05);
  --shadow-hover:0 8px 28px rgba(22,25,30,.08);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  color:#22262b;background:#fff;line-height:1.8;margin:0;padding:0;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;transition:color .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}
.container-1200{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.section-pad{padding:90px 0;}
h1,h2,h3,h4,h5{font-weight:900;line-height:1.35;margin:0 0 16px;color:#22262b;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}

a:focus-visible,button:focus-visible{
  outline:1px solid var(--color-energy);outline-offset:2px;border-radius:4px;
}
::selection{background:rgba(232,93,38,.2);}

.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--color-energy);color:#fff;font-weight:700;font-size:16px;
  padding:14px 28px;border-radius:12px;border:none;line-height:1.2;
  transition:all .22s ease;box-shadow:0 2px 10px rgba(232,93,38,.18);white-space:nowrap;
}
.btn-main:hover{background:var(--color-energy-deep);color:#fff;transform:translateY(-2px);box-shadow:0 6px 18px rgba(232,93,38,.26);}
.btn-main:active{transform:scale(.98);}
.btn-main.dark-top{
  background:var(--color-night);color:#fff;box-shadow:0 2px 10px rgba(0,0,0,.12);
}
.btn-main.dark-top:hover{background:#22262b;border:1px solid rgba(255,255,255,.4);color:#fff;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:transparent;color:#fff;font-weight:600;font-size:15px;
  padding:13px 26px;border-radius:12px;border:1px solid rgba(255,255,255,.55);
  transition:all .2s ease;white-space:nowrap;
}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.btn-ghost.light-line{color:#22262b;border:1px solid #d6d0c6;}
.btn-ghost.light-line:hover{background:#f0ece4;color:#22262b;border-color:#bbb2a4;}
.btn-sm-white{
  display:inline-flex;align-items:center;gap:6px;background:#fff;color:var(--color-night);
  font-size:14px;font-weight:700;padding:10px 20px;border-radius:10px;transition:all .2s;
}
.btn-sm-white:hover{background:var(--color-amber);}

.badge-pill{
  display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:700;
  padding:3px 12px;border-radius:999px;letter-spacing:.2px;
}
.badge-orange{background:rgba(232,93,38,.1);color:var(--color-energy-deep);}
.badge-teal{background:rgba(16,158,148,.12);color:#0c7b74;}
.badge-amber{background:rgba(242,183,4,.15);color:#a87900;}
.badge-night{background:#22262b;color:#fff;}

.text-muted{color:var(--color-muted);}
.text-ink{color:var(--color-ink);}

.section-title{
  font-size:34px;font-weight:900;line-height:1.3;
}
.section-desc{font-size:16px;color:var(--color-muted);line-height:1.9;margin:14px 0 0;}

/* --- Top info bar --- */
.top-info-bar{
  background:var(--color-night);color:rgba(255,255,255,.86);font-size:13px;
  height:38px;display:flex;align-items:center;
}
.top-info-inner{display:flex;justify-content:space-between;align-items:center;width:100%;}
.top-domain{color:#fff;font-weight:600;letter-spacing:.2px;}
.top-domain .dot{display:inline-block;width:5px;height:5px;background:var(--color-energy);border-radius:50%;margin-right:10px;vertical-align:middle;}
.top-links{display:flex;align-items:center;gap:0;}
.top-links a{font-size:13px;color:rgba(255,255,255,.78);padding:4px 12px;border-radius:6px;transition:all .2s;}
.top-links a:hover{color:#fff;background:rgba(255,255,255,.1);}
.top-links a+a{border-left:1px solid rgba(255,255,255,.12);}

/* --- Header / Nav --- */
.site-header{
  background:rgba(255,255,255,.96);box-shadow:0 1px 10px rgba(0,0,0,.03);
  position:sticky;top:0;z-index:100;transition:box-shadow .2s;
}
.site-header.scrolled{box-shadow:0 4px 20px rgba(0,0,0,.08);}
.logo-area{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-keyword{
  font-size:23px;font-weight:900;color:var(--color-ink);letter-spacing:-.5px;line-height:1.2;
}
.logo-sub-mark{
  width:10px;height:10px;background:var(--color-teal);border-radius:2px;display:inline-block;
  transform:rotate(45deg);
}
.logo-box{display:flex;align-items:center;gap:6px;}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  font-size:15px;font-weight:600;color:#3c4550;padding:10px 14px;border-radius:8px;
  transition:all .2s;
}
.nav-link:hover{color:var(--color-energy);background:rgba(232,93,38,.05);}
.nav-link.active{color:var(--color-energy);background:rgba(232,93,38,.07);}
.header-cta-main{
  background:var(--color-energy);color:#fff;font-weight:700;font-size:15px;
  padding:10px 22px;border-radius:10px;transition:all .2s;white-space:nowrap;
  box-shadow:0 2px 10px rgba(232,93,38,.16);
}
.header-cta-main:hover{background:var(--color-energy-deep);color:#fff;transform:translateY(-1px);box-shadow:0 6px 18px rgba(232,93,38,.22);}

/* Mobile hamburger */
.hamburger-btn{
  width:42px;height:42px;border:1px solid #ede9e1;background:#fff;border-radius:10px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;display:none;
}
.hamburger-btn span{width:18px;height:2px;background:#22262b;border-radius:2px;display:block;}

.mobile-menu{
  display:none;background:#fff;border-top:1px solid var(--color-line);padding:12px 16px 22px;
  box-shadow:0 12px 24px rgba(0,0,0,.06);
}
.mobile-menu.show{display:block;}
.mobile-menu .m-nav-list a{
  display:block;padding:12px 10px;font-size:16px;font-weight:600;color:#2b3036;
  border-bottom:1px solid #f1ede6;border-radius:8px;
}
.mobile-menu .m-nav-list a:hover{background:rgba(232,93,38,.05);color:var(--color-energy-deep);}
.mobile-menu .m-nav-list a:last-child{border-bottom:none;}
.mobile-menu .m-cta-row{display:flex;gap:12px;margin-top:16px;}
.mobile-menu .m-login-note{
  font-size:13px;color:var(--color-muted);background:#f8f5f0;border-radius:10px;
  padding:12px 14px;margin:14px 0 6px;text-align:center;font-weight:600;
}
.mobile-menu .m-login-note i{color:var(--color-energy);margin-right:8px;}

/* --- Hero --- */
.hero-section{
  background:var(--color-night);color:#fff;position:relative;overflow:hidden;
}
.hero-grid-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:46px 46px;
}
.hero-color-block-1{
  position:absolute;width:520px;height:520px;border-radius:50%;background:rgba(232,93,38,.2);
  filter:blur(90px);top:-180px;right:-160px;
}
.hero-color-block-2{
  position:absolute;width:360px;height:360px;border-radius:50%;
  background:rgba(16,158,148,.12);filter:blur(100px);bottom:-180px;left:12%;
}
.hero-inner{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;
  gap:56px;padding:84px 0 92px;
}
.hero-left{max-width:580px;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:6px;background:rgba(242,183,4,.16);
  padding:5px 14px;border-radius:999px;font-size:13px;color:var(--color-amber);
  font-weight:700;margin-bottom:24px;
}
.hero-title{
  font-size:54px;line-height:1.2;font-weight:900;color:#fff;letter-spacing:-1.2px;
  margin-bottom:20px;
}
.hero-title .accent-block{
  display:inline-block;width:12px;height:12px;background:var(--color-energy);
  border-radius:2px;margin-left:4px;transform:rotate(45deg);vertical-align:middle;
}
.hero-title .orange-text{
  color:var(--color-energy);background:rgba(232,93,38,.22);
  padding:0 8px;border-radius:8px;
}
.hero-sub{
  color:rgba(255,255,255,.73);font-size:18px;line-height:1.9;margin-bottom:28px;
  font-weight:400;letter-spacing:.2px;
}
.hero-cta-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.hero-main-btn{
  background:var(--color-energy);color:#fff;font-weight:700;font-size:17px;
  padding:15px 34px;border-radius:13px;display:inline-flex;align-items:center;gap:10px;
  transition:all .2s ease;
}
.hero-main-btn:hover{background:#f26b33;transform:translateY(-2px);box-shadow:0 8px 26px rgba(232,93,38,.36);}
.hero-ghost-btn{
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5);
  padding:14px 26px;border-radius:13px;font-weight:600;display:inline-flex;gap:8px;transition:all .2s;
}
.hero-ghost-btn:hover{border-color:#fff;background:rgba(255,255,255,.08);}
.hero-aux-note{font-size:13px;color:rgba(255,255,255,.5);margin-top:12px;display:inline-flex;align-items:center;gap:6px;}

/* Browser mock */
.browser-window{
  width:530px;min-width:480px;background:#1e2228;border:1px solid rgba(255,255,255,.14);
  border-radius:20px;padding:12px 12px 0;box-shadow:0 24px 60px rgba(0,0,0,.45);
  transform:perspective(1000px) rotateY(-3deg) rotateX(1deg);
}
.browser-bar{
  background:#2a2f36;border-radius:10px;display:flex;align-items:center;padding:9px 14px;gap:10px;
  margin-bottom:12px;
}
.b-row-dots{display:flex;gap:6px;}
.b-dot{width:10px;height:10px;border-radius:50%;}
.b-dot:nth-child(1){background:#f8604a;}
.b-dot:nth-child(2){background:#f6bd35;}
.b-dot:nth-child(3){background:#56c452;}
.browser-url{
  flex:1;background:#1a1e23;border-radius:6px;padding:4px 12px;color:#8e99a4;
  font-size:12px;display:flex;align-items:center;gap:6px;border:1px solid rgba(255,255,255,.06);
}
.browser-url i{font-size:10px;color:#4c5b66;}
.browser-body{
  background:#191d22;border-radius:0 0 14px 14px;padding:0;overflow:hidden;
}
.browser-visual{
  position:relative;min-height:290px;display:flex;align-items:center;justify-content:center;
}
.browser-visual-backdrop{
  position:absolute;inset:0;overflow:hidden;border-radius:0 0 14px 14px;
}
.browser-visual-backdrop img{width:100%;height:100%;object-fit:cover;opacity:.55;}
.brooklyn-grad{
  position:absolute;inset:0;border-radius:0 0 14px 14px;
  background:linear-gradient(180deg,transparent 30%,#191d22 96%);
}
.browser-visual-content{
  position:relative;text-align:center;padding:36px 20px;
}
.bv-tag{
  display:inline-flex;align-items:center;gap:8px;background:rgba(232,93,38,.9);
  color:#fff;padding:6px 18px;border-radius:999px;font-size:13px;font-weight:700;
}
.bv-title{font-size:22px;font-weight:900;color:#fff;margin-top:14px;letter-spacing:.4px;}
.bv-line{
  color:rgba(255,255,255,.55);font-size:13px;margin-top:6px;letter-spacing:.3px;
}
.bv-card-row{
  display:flex;justify-content:center;gap:10px;margin-top:18px;
}
.bv-mini-card{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);
  border-radius:10px;padding:8px 12px;font-size:11px;color:rgba(255,255,255,.7);
  width:fit-content;
}
.bv-mini-card i{margin-right:4px;color:var(--color-amber);}

/* --- Feature three rows --- */
.feature-card{
  background:#fff;border:1px solid var(--color-line);border-radius:var(--radius-lg);
  padding:36px 24px 32px;position:relative;overflow:hidden;
  transition:box-shadow .25s,transform .25s;
  box-shadow:var(--shadow-card);
}
.feature-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-6px);}
.feature-top-bar{position:absolute;top:0;left:0;width:100%;height:5px;}
.feature-top-bar.bar-orange{background:var(--color-energy);}
.feature-top-bar.bar-teal{background:var(--color-teal);}
.feature-top-bar.bar-amber{background:var(--color-amber);}
.feature-num{
  font-size:15px;font-weight:700;color:#b9b3a8;letter-spacing:.5px;margin-bottom:10px;
}
.feature-card h3{font-size:20px;font-weight:700;margin-bottom:14px;letter-spacing:-.2px;}
.feature-card p{font-size:15px;line-height:1.8;color:var(--color-muted);margin-bottom:22px;}
.feature-learn-more{
  font-size:14px;font-weight:700;color:var(--color-energy);display:inline-flex;
  align-items:center;gap:6px;border-bottom:1px solid transparent;padding-bottom:2px;
}
.feature-learn-more i{transition:transform .2s;}
.feature-learn-more:hover{border-bottom:1px solid var(--color-energy);}
.feature-learn-more:hover i{transform:translateX(4px);}
.feature-icon-circle{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;
  justify-content:center;font-size:19px;margin-bottom:20px;
}
.f-ic-orange{background:rgba(232,93,38,.1);color:var(--color-energy);}
.f-ic-teal{background:rgba(16,158,148,.12);color:var(--color-teal);}
.f-ic-amber{background:rgba(242,183,4,.16);color:#a87a00;}

/* --- Scene shapes --- */
.scene-card{
  display:flex;align-items:center;gap:64px;
}
.scene-image-wrap{
  flex:0 0 47%;height:340px;border-radius:20px;overflow:hidden;position:relative;
  box-shadow:var(--shadow-card);border:1px solid var(--color-line);
}
.scene-image-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.scene-image-wrap:hover img{transform:scale(1.03);}
.browser-bar-sim{
  position:absolute;top:12px;left:12px;right:12px;background:rgba(255,255,255,.88);
  border-radius:8px;display:flex;align-items:center;padding:6px 12px;z-index:4;
  font-size:12px;gap:8px;box-shadow:0 4px 12px rgba(0,0,0,.2);
}
.browser-bar-sim .dot{width:8px;height:8px;border-radius:50%;background:#e0ddd6;display:inline-block;}
.browser-bar-sim .url-box{
  background:#f2efe9;border-radius:5px;padding:3px 8px;flex:1;font-size:11px;
  color:#4b5560;
}
.scene-text-side{flex:1;}
.scene-kicker{font-size:13px;font-weight:700;letter-spacing:1px;color:var(--color-teal);text-transform:uppercase;margin-bottom:12px;}
.scene-text-side h3{font-size:26px;font-weight:900;margin-bottom:14px;line-height:1.4;}
.scene-desc{font-size:15px;color:var(--color-muted);line-height:1.9;margin-bottom:20px;}
.scene-points li{
  display:flex;align-items:flex-start;gap:10px;margin-bottom:10px;font-size:15px;color:#3c4550;
}
.scene-points i{color:var(--color-teal);margin-top:6px;font-size:13px;}
.scene-link-cta{
  display:inline-flex;align-items:center;gap:8px;color:var(--color-energy-deep);
  font-weight:700;font-size:15px;border-bottom:1px solid transparent;padding-bottom:4px;margin-top:8px;
}
.scene-link-cta i{transition:transform .2s;}
.scene-link-cta:hover{border-bottom:1px solid var(--color-energy-deep);}
.scene-link-cta:hover i{transform:translateX(6px);}

/* --- Night band stats --- */
.night-band{background:var(--color-night);color:#fff;position:relative;overflow:hidden;}
.stat-values{
  font-size:42px;font-weight:900;line-height:1.2;color:var(--color-amber);
}
.stat-values.teal-num{color:var(--color-teal);}
.stat-values.whitish{color:#fff;}
.stat-label{
  margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.6);line-height:1.6;
  text-align:center;
}
.night-band .band-title{
  text-align:center;font-size:32px;font-weight:900;color:#fff;line-height:1.4;margin-bottom:8px;
}
.night-band .band-sub{
  color:rgba(255,255,255,.5);text-align:center;line-height:1.8;font-size:15px;max-width:560px;
  margin:0 auto 44px;
}
.quote-card{
  display:flex;gap:18px;padding:26px 12px 8px;align-items:flex-start;
}
.quote-card i{
  font-size:28px;color:rgba(242,183,4,.7);opacity:.6;margin-top:4px;
}
.quote-text{font-size:15.5px;color:rgba(255,255,255,.82);line-height:1.9;font-style:normal;}
.quote-author{
  display:block;font-size:13px;color:rgba(255,255,255,.5);margin-top:12px;
  font-style:normal;letter-spacing:.3px;
}

/* --- News cards --- */
.news-card{
  background:#fff;border:1px solid var(--color-line);border-radius:16px;overflow:hidden;
  transition:all .3s ease;box-shadow:0 2px 10px rgba(22,25,30,.03);
  height:100%;display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-5px);box-shadow:0 12px 34px rgba(22,25,30,.09);border-color:#f0d9c8;}
.news-card-img{height:168px;overflow:hidden;position:relative;background:#22262b;}
.news-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.news-card:hover .news-card-img img{transform:scale(1.06);}
.news-card-img .news-cat-pill{
  position:absolute;top:12px;left:12px;background:rgba(22,25,30,.76);z-index:3;
  color:#fff;font-size:11px;padding:3px 12px;border-radius:999px;font-weight:700;
}
.news-card-body{padding:20px 18px;display:flex;flex-direction:column;flex:1;}
.news-title{font-size:16px;line-height:1.5;font-weight:700;color:var(--color-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px;}
.news-excerpt{
  font-size:13.5px;line-height:1.75;color:var(--color-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  border-top:1px solid #f3efe9;padding-top:12px;margin-top:auto;
  font-size:12px;color:#9da6ae;display:flex;align-items:center;justify-content:space-between;
}
.news-meta a{color:var(--color-energy);font-weight:600;font-size:12px;display:inline-flex;align-items:center;gap:4px;}
.news-meta a i{font-size:10px;}
.empty-news-state{
  background:#faf8f4;border:1px dashed #e0d8cc;border-radius:16px;text-align:center;
  padding:54px 24px;
}
.empty-news-state i{color:#d9d0c2;font-size:32px;margin-bottom:14px;display:block;}
.empty-news-state p{color:#8b8578;margin:0;font-size:15px;padding-top:6px;}
.empty-note{
  font-size:13px;color:#b3aba0;display:block;margin-top:6px;
}

/* --- CTA --- */
.cta-card{
  background:linear-gradient(145deg,#7a2b12,#421e10);
  border-radius:28px;padding:68px 40px;position:relative;text-align:center;overflow:hidden;
}
.cta-card .texture-grid{
  position:absolute;inset:0;opacity:.2;
  background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:32px 32px;
}
.cta-title-h2{font-size:34px;color:#fff;font-weight:900;line-height:1.3;margin-bottom:8px;}
.cta-subtitle{color:rgba(255,255,255,.72);font-size:15px;margin-bottom:28px;}
.cta-safe{
  color:rgba(255,255,255,.4);font-size:12.5px;display:flex;align-items:center;
  justify-content:center;gap:14px;margin-top:22px;
}

/* --- FAQ --- */
.faq-wrap-item{
  background:#fff;border:1px solid var(--color-line);border-radius:14px;
  margin-bottom:12px;transition:box-shadow .2s,border-color .2s;
  overflow:hidden;
}
.faq-wrap-item:hover{border-color:#ddd2c4;box-shadow:0 4px 14px rgba(0,0,0,.05);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;padding:18px 22px;
  cursor:pointer;font-weight:700;font-size:15.5px;gap:20px;transition:color .2s;
}
.faq-q span{flex:1;}
.faq-q .faq-icon{
  font-size:20px;transition:transform .3s;color:var(--color-muted);
  display:flex;align-items:center;flex-shrink:0;
}
.faq-wrap-item.active .faq-q{color:var(--color-energy);}
.faq-wrap-item.active .faq-q .faq-icon{transform:rotate(45deg);color:var(--color-energy);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a-inner{padding:0 22px 20px;color:var(--color-muted);font-size:15px;line-height:1.9;}

/* --- Footer --- */
.site-footer{background:var(--color-night);color:rgba(255,255,255,.6);padding:70px 0 0;}
.footer-brand-name{font-size:24px;color:#fff;font-weight:900;margin-bottom:10px;letter-spacing:-.3px;}
.footer-slogan{font-size:14px;line-height:1.9;color:rgba(255,255,255,.45);}
.footer-col-title{font-size:14px;color:#fff;font-weight:900;letter-spacing:.5px;margin-bottom:18px;}
.footer-link-list li{margin-bottom:12px;}
.footer-link-list a{
  color:rgba(255,255,255,.55);font-size:14px;transition:all .2s;display:inline-flex;align-items:center;gap:6px;
}
.footer-link-list a:hover{color:var(--color-amber);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);margin-top:54px;padding:26px 0 30px;
  text-align:center;
}
.footer-bottom .copy-line{font-size:13px;color:rgba(255,255,255,.42);}
.footer-bottom .tech-note{
  font-size:12px;color:rgba(255,255,255,.25);margin-top:6px;
}

/* --- Floating bar --- */
.floating-bar{
  position:fixed;left:50%;bottom:-14px;transform:translateX(-50%) translateY(0);
  background:#fff;border-radius:999px;box-shadow:0 10px 40px rgba(0,0,0,.22);
  border:1px solid #eee2d6;z-index:120;display:flex;align-items:center;gap:14px;
  padding:8px 10px 8px 22px;
  transition:transform .35s ease,opacity .3s;
  opacity:0;pointer-events:none;
}
.floating-bar.visible{bottom:36px;height:auto;transform:translateX(-50%) translateY(0);opacity:1;pointer-events:auto;}
.floating-bar .fb-text{font-size:14px;color:var(--color-ink);font-weight:600;}
.floating-bar .fb-btn{background:var(--color-energy);color:#fff;font-weight:700;padding:10px 20px;border-radius:999px;font-size:13.5px;transition:background .2s;}
.floating-bar .fb-btn:hover{background:var(--color-energy-deep);color:#fff;}
.floating-bar .fb-close{
  width:30px;height:30px;background:rgba(0,0,0,.05);border:none;border-radius:50%;
  color:#324;display:flex;align-items:center;justify-content:center;transition:background .2s;
}
.floating-bar .fb-close:hover{background:rgba(0,0,0,.12);border-color:transparent;}
@media(max-width:768px){
  .floating-bar{
    left:12px;right:12px;bottom:-100px;transform:none;border-radius:20px;
    justify-content:space-between;padding:12px 14px;
  }
  .floating-bar.visible{transform:none;bottom:calc(12px + env(safe-area-inset-bottom));}
  .floating-bar .fb-text{font-size:13px;}
  .floating-bar .fb-btn{padding:8px 14px;font-size:13px;white-space:nowrap;}
}

/* --- Breadcrumb --- */
.breadcrumb-bar{
  background:var(--color-sand);padding:14px 0;border-bottom:1px solid var(--color-line);
}
.breadcrumb-list a{color:var(--color-muted);font-size:13px;}
.breadcrumb-list a:hover{color:var(--color-energy);}
.breadcrumb-list .sep{margin:0 8px;color:#c5bfb4;font-size:11px;}
.breadcrumb-list .current{color:var(--color-ink);font-weight:600;}

/* Image placeholder pattern */
.img-placeholder-pattern{
  background-image:linear-gradient(rgba(255,255,255,.13) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.13) 1px,transparent 1px);
  background-size:22px 22px;
}

/* --- Scroll top --- */
.scroll-top-btn{
  position:fixed;right:34px;bottom:34px;background:var(--color-night);color:#fff;
  width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:18px;border:1px solid rgba(255,255,255,.18);box-shadow:0 6px 20px rgba(0,0,0,.3);
  opacity:0;pointer-events:none;transition:all .3s;z-index:80;
}
.scroll-top-btn.show{opacity:1;pointer-events:auto;}
.scroll-top-btn:hover{border-color:var(--color-energy);color:var(--color-energy);transform:translateY(-3px);}

/* --- Animations --- */
@keyframes floatSoft{
  0%,100%{transform:perspective(1000px) rotateY(-3deg) translateY(0);}
  50%{transform:perspective(1000px) rotateY(-3deg) translateY(-8px);}
}
.animate-float{animation:floatSoft 6s ease-in-out infinite;}

@keyframes pulse-dot{
  0%,100%{opacity:1;}
  50%{opacity:.4;}
}
.pulse-dot{animation:pulse-dot 2s infinite;}

/* --- breakpoint --- */
@media(max-width:1024px){
  .hero-inner{gap:36px;padding:60px 0;}
  .hero-title{font-size:40px;}
  .hero-left{max-width:52%;}
  .browser-window{width:calc(48vw);min-width:360px;}
  .browser-visual{min-height:220px;}
  .section-pad{padding:72px 0;}
  .scene-card{gap:36px;}
  .scene-image-wrap{flex-basis:50%;height:300px;}
}

@media(max-width:768px){
  .top-info-bar{display:none;}
  .hamburger-btn{display:flex;}
  .desktop-nav{display:none;}
  .header-cta-main.desktop-only{display:none;}
  .mobile-menu{display:none;}
  .mobile-menu.show{display:block;}
  .hero-inner{flex-direction:column;gap:40px;}
  .hero-left{max-width:100%;}
  .hero-title{font-size:36px;}
  .browser-window{width:100%;min-width:auto;animation:none;transform:none;}
  .section-title{font-size:27px;}
  .scene-card{flex-direction:column;gap:30px;}
  .scene-card.reverse{flex-direction:column;}
  .scene-image-wrap{width:100%;flex:auto;}
  .section-pad{padding:56px 0;}
  .cta-card{padding:44px 24px;}
  .cta-actions{flex-direction:column;align-items:center;}
}

/* roulang page: category1 */
:root {
        --color-energy: #E85D26;
        --color-energy-deep: #BC4414;
        --color-teal: #109E94;
        --color-amber: #F2B704;
        --color-night: #16191E;
        --color-ink: #22262B;
        --color-muted: #5F6B76;
        --color-sand: #F6F2EA;
        --color-line: #E4E0D8;
        --shadow-card: 0 4px 16px rgba(22, 25, 30, .05);
        --shadow-hover: 0 8px 28px rgba(22, 25, 30, .08);
        --radius-lg: 20px;
        --radius-md: 12px;
        --radius-sm: 8px;
        --radius-pill: 999px;
        --brand-gradient: linear-gradient(135deg, var(--color-energy) 0%, #F59E0B 100%);
    }

    .tailwind-config {
        --color-energy: #E85D26;
        --color-energy-deep: #BC4414;
        --color-teal: #109E94;
        --color-amber: #F2B704;
        --color-night: #16191E;
        --color-ink: #22262B;
        --color-muted: #5F6B76;
        --color-sand: #F6F2EA;
        --color-line: #E4E0D8;
    }

    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', sans-serif;
        color: var(--color-ink);
        background-color: #ffffff;
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
    }

    a {
        text-decoration: none;
        color: inherit;
    }

    img {
        max-width: 100%;
        display: block;
    }

    .site-header {
        background: #ffffff;
        border-bottom: 1px solid var(--color-line);
        position: sticky;
        top: 0;
        z-index: 100;
        transition: box-shadow .3s;
    }
    .site-header.scrolled {
        box-shadow: 0 6px 20px rgba(22,25,30,.06);
        background: rgba(255,255,255,.96);
    }

    .site-footer {
        background: var(--color-night);
        color: rgba(255,255,255,.8);
        padding: 60px 0 0;
        margin-top: 0;
    }

    .site-footer .container-1200 {
        padding-bottom: 30px;
    }

    .footer-brand-name {
        color: #ffffff;
        font-size: 20px;
        font-weight: 900;
        margin-bottom: 12px;
    }

    .footer-slogan {
        font-size: 14px;
        line-height: 1.85;
        color: rgba(255,255,255,.66);
        max-width: 300px;
    }

    .footer-col-title {
        font-size: 15px;
        font-weight: 700;
        color: #ffffff;
        margin-bottom: 15px;
        position: relative;
        padding-bottom: 8px;
    }

    .footer-col-title::after {
        content: "";
        position: absolute;
        left: 0;
        bottom: 0;
        width: 24px;
        height: 2px;
        background: var(--color-energy);
    }

    .footer-link-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-link-list li {
        margin-bottom: 9px;
    }
    .footer-link-list a {
        color: rgba(255,255,255,.7);
        font-size: 14px;
        line-height: 1.6;
        transition: color .2s ease;
    }
    .footer-link-list a:hover {
        color: #ffffff;
        padding-left: 2px;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,.1);
        padding: 22px 0 18px;
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 10px;
    }
    .copy-line {
        font-size: 13px;
        color: rgba(255,255,255,.6);
        margin-bottom: 6px;
    }
    .tech-note {
        font-size: 13px;
        color: rgba(255,255,255,.55);
    }

    .logo-area {
        display: inline-flex;
        align-items: center;
        gap: 10px;
    }
    .logo-box {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .logo-keyword {
        font-size: 22px;
        font-weight: 900;
        color: var(--color-ink);
        letter-spacing: -.5px;
    }
    .logo-sub-mark {
        width: 10px;
        height: 10px;
        background: var(--color-energy);
        border-radius: 3px;
        display: inline-block;
        flex-shrink: 0;
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 28px;
    }
    .nav-link {
        font-size: 15px;
        font-weight: 500;
        color: var(--color-muted);
        line-height: 72px;
        position: relative;
        transition: color .2s ease;
        white-space: nowrap;
    }
    .nav-link::after {
        content: "";
        position: absolute;
        left: 0;
        bottom: -1px;
        height: 3px;
        width: 0;
        background: var(--color-energy);
        border-radius: 2px;
        transition: width .25s ease;
    }
    .nav-link:hover {
        color: var(--color-ink);
    }
    .nav-link:hover::after {
        width: 100%;
    }
    .nav-link.active {
        color: var(--color-ink);
        font-weight: 700;
    }
    .nav-link.active::after {
        width: 100%;
    }

    .header-cta-main {
        background: var(--color-energy);
        color: #ffffff;
        border-radius: var(--radius-md);
        padding: 10px 22px;
        font-size: 14px;
        font-weight: 700;
        transition: background .2s ease, transform .15s ease;
    }
    .header-cta-main:hover {
        background: var(--color-energy-deep);
    }
    .header-cta-main:active {
        transform: scale(.97);
    }

    .hamburger-btn {
        display: none;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 5px;
        width: 40px;
        height: 40px;
        background: transparent;
        border: none;
        border-radius: 8px;
        cursor: pointer;
    }
    .hamburger-btn span {
        display: block;
        width: 20px;
        height: 2px;
        background: var(--color-ink);
        border-radius: 2px;
    }

    .mobile-drawer {
        display: none;
        position: fixed;
        top: 0;
        right: -320px;
        width: 300px;
        height: 100%;
        background: #ffffff;
        box-shadow: -8px 0 30px rgba(0,0,0,.1);
        z-index: 999;
        transition: right .3s ease;
        padding: 24px 28px;
    }
    .mobile-drawer.open {
        right: 0;
    }
    .drawer-close {
        text-align: right;
        font-size: 24px;
        line-height: 1;
        padding-bottom: 12px;
        cursor: pointer;
    }
    .mobile-drawer-links {
        list-style: none;
        margin-top: 8px;
    }
    .mobile-drawer-links li {
        margin-bottom: 4px;
    }
    .mobile-drawer-links a {
        display: block;
        font-size: 16px;
        font-weight: 500;
        padding: 12px 0;
        border-bottom: 1px solid #f0f0f0;
        color: var(--color-ink);
    }
    .mobile-drawer-links a.active {
        color: var(--color-energy);
        font-weight: 700;
        border-left: 3px solid var(--color-energy);
        padding-left: 12px;
    }
    .drawer-cta {
        display: block;
        text-align: center;
        background: var(--color-energy);
        color: #fff;
        border-radius: var(--radius-md);
        padding: 12px 20px;
        font-size: 15px;
        font-weight: 700;
        margin-top: 20px;
    }
    .drawer-cta:hover {
        background: var(--color-energy-deep);
    }

    .mobile-drawer-backdrop {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,.4);
        z-index: 998;
    }
    .mobile-drawer-backdrop.open {
        display: block;
    }

    .top-info-bar {
        background: var(--color-night);
        height: 36px;
        display: flex;
        align-items: center;
        font-size: 12px;
        color: rgba(255,255,255,.7);
    }
    .top-info-bar .container-1200 {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .info-bar-left {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .info-bar-dot {
        width: 6px;
        height: 6px;
        background: var(--color-energy);
        border-radius: 50%;
        display: inline-block;
        flex-shrink: 0;
    }
    .info-bar-right {
        display: flex;
        gap: 20px;
    }
    .info-bar-right a {
        color: rgba(255,255,255,.78);
        font-size: 12px;
        transition: color .2s;
    }
    .info-bar-right a:hover {
        color: #ffffff;
    }

    .nav-shadow {
        box-shadow: 0 6px 20px rgba(22,25,30,.06);
    }

    .cat-hero {
        background-color: var(--color-night);
        position: relative;
        overflow: hidden;
        background-image: linear-gradient(rgba(22,25,30,.92), rgba(22,25,30,.88)), url('/assets/images/backpic/back-1.webp');
        background-size: cover;
        background-position: center;
        padding: 70px 0 80px;
    }

    .cat-hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
        background-size: 40px 40px;
        pointer-events: none;
    }

    .breadcrumb {
        position: relative;
        font-size: 13px;
        color: rgba(255,255,255,.55);
        margin-bottom: 28px;
        display: flex;
        align-items: center;
        gap: 6px;
        flex-wrap: wrap;
    }
    .breadcrumb a {
        color: rgba(255,255,255,.7);
        transition: color .2s;
    }
    .breadcrumb a:hover {
        color: #ffffff;
    }
    .breadcrumb .sep {
        color: rgba(255,255,255,.35);
    }

    .hero-content {
        position: relative;
        display: grid;
        grid-template-columns: 1.1fr .9fr;
        gap: 55px;
        align-items: center;
    }

    .cat-hero-h1 {
        font-size: 42px;
        line-height: 1.26;
        font-weight: 900;
        color: #ffffff;
        margin-bottom: 18px;
    }

    .cat-hero-h1 .highlight-text {
        color: #F2B704;
        position: relative;
    }

    .cat-hero-desc {
        font-size: 16px;
        line-height: 1.8;
        color: rgba(255,255,255,.7);
        max-width: 480px;
        margin-bottom: 28px;
    }

    .hero-badges {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 30px;
    }

    .badge-item {
        display: inline-flex;
        align-items: center;
        gap: 7px;
        background: rgba(255,255,255,.1);
        border: 1px solid rgba(255,255,255,.12);
        border-radius: 999px;
        padding: 6px 16px;
        font-size: 13px;
        color: rgba(255,255,255,.85);
        font-weight: 500;
    }

    .badge-item i {
        color: var(--color-amber);
    }

    .hero-actions {
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
    }
    .btn-primary {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--color-energy);
        color: #ffffff;
        font-size: 15px;
        font-weight: 700;
        padding: 12px 24px;
        border-radius: var(--radius-md);
        transition: all .2s ease;
        border: none;
        cursor: pointer;
        box-shadow: 0 4px 14px rgba(232,93,38,.25);
    }
    .btn-primary:hover {
        background: var(--color-energy-deep);
        box-shadow: 0 6px 18px rgba(232,93,38,.32);
    }
    .btn-primary:active {
        transform: scale(.98);
    }
    .btn-outline-light {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: transparent;
        color: #ffffff;
        font-size: 15px;
        font-weight: 600;
        padding: 11px 22px;
        border-radius: var(--radius-md);
        border: 1px solid rgba(255,255,255,.35);
        transition: all .2s ease;
        cursor: pointer;
    }
    .btn-outline-light:hover {
        background: rgba(255,255,255,.1);
        border-color: rgba(255,255,255,.6);
    }

    .hero-banner-box {
        background: linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
        border: 1px solid rgba(255,255,255,.12);
        border-radius: 20px;
        padding: 12px;
        backdrop-filter: blur(2px);
    }
    .hero-browser-bar {
        background: rgba(255,255,255,.12);
        border-radius: 10px;
        padding: 9px 14px;
        color: rgba(255,255,255,.6);
        font-size: 12px;
        margin-bottom: 12px;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .hero-browser-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: rgba(255,255,255,.3);
    }
    .hero-banner-img {
        border-radius: 12px;
        overflow: hidden;
        position: relative;
        height: 230px;
    }
    .hero-banner-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .hero-img-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(22,25,30,.1) 0%, transparent 40%, transparent 70%, rgba(22,25,30,.5) 100%);
    }

    .hero-tag-row {
        position: absolute;
        bottom: 18px;
        left: 18px;
        display: flex;
        gap: 8px;
    }
    .hero-tag-chip {
        display: inline-block;
        background: rgba(22,25,30,.7);
        color: rgba(255,255,255,.8);
        border-radius: 999px;
        font-size: 11px;
        padding: 4px 10px;
        backdrop-filter: blur(4px);
        border: 1px solid rgba(255,255,255,.15);
    }

    @media (max-width: 1024px) {
        .cat-hero-h1 {
            font-size: 34px;
        }
        .hero-content {
            grid-template-columns: 1fr;
            gap: 30px;
        }
        .hero-banner-box {
            max-width: 100%;
        }
    }

    @media (max-width: 768px) {
        .main-nav.desktop-nav {
            display: none;
        }
        .desktop-only {
            display: none !important;
        }
        .hamburger-btn {
            display: flex;
        }
        .mobile-drawer {
            display: block;
        }
        .top-info-bar {
            display: none;
        }
        .cat-hero {
            padding: 50px 0 56px;
        }
        .cat-hero-h1 {
            font-size: 28px;
        }
        .hero-banner-img {
            height: 200px;
        }
    }

    /* 通用区块样式 */
    .section-block {
        padding: 70px 0;
    }
    .section-block.muted-bg {
        background: var(--color-sand);
    }
    .section-block.alt-bg {
        background: #ffffff;
    }

    .section-cat-label {
        font-size: 12px;
        font-weight: 700;
        letter-spacing: 2px;
        text-transform: uppercase;
        color: var(--color-energy);
        display: inline-flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 10px;
    }
    .section-cat-label::before {
        content: "";
        display: inline-block;
        width: 18px;
        height: 2px;
        background: var(--color-energy);
        border-radius: 2px;
    }

    .section-heading {
        font-size: 30px;
        line-height: 1.4;
        font-weight: 900;
        color: var(--color-ink);
        margin-bottom: 12px;
        letter-spacing: -.5px;
    }

    .section-intro {
        font-size: 15px;
        line-height: 1.75;
        color: var(--color-muted);
        max-width: 640px;
    }

    .card-Item {
        background: #ffffff;
        border: 1px solid var(--color-line);
        border-radius: var(--radius-lg);
        padding: 28px 24px;
        transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
        position: relative;
    }
    .card-Item:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(232,93,38,.4);
    }

    .card-topline {
        width: 40px;
        height: 4px;
        border-radius: 2px;
        margin-bottom: 16px;
        background: var(--color-energy);
    }
    .card-topline.teal {
        background: var(--color-teal);
    }
    .card-topline.amber {
        background: var(--color-amber);
    }

    .card-num {
        font-size: 13px;
        font-weight: 900;
        color: rgba(22,25,30,.22);
        margin-bottom: 4px;
        font-family: monospace;
        letter-spacing: 1px;
    }
    .card-title {
        font-size: 18px;
        font-weight: 700;
        color: var(--color-ink);
        margin-bottom: 10px;
        line-height: 1.45;
    }
    .card-desc {
        font-size: 14px;
        line-height: 1.8;
        color: var(--color-muted);
        margin-bottom: 16px;
    }
    .card-more-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        font-weight: 600;
        color: var(--color-energy);
        transition: color .2s, gap .2s;
    }
    .card-more-link:hover {
        color: var(--color-energy-deep);
        gap: 10px;
    }

    .feature-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .feature-list li {
        position: relative;
        padding-left: 24px;
        margin-bottom: 12px;
        font-size: 15px;
        line-height: 1.75;
        color: var(--color-ink);
    }
    .feature-list li::before {
        content: "";
        position: absolute;
        left: 0;
        top: 10px;
        width: 9px;
        height: 9px;
        border-radius: 3px;
        background: var(--color-energy);
    }
    .feature-list li i {
        color: var(--color-energy);
        margin-right: 6px;
    }

    .step-block {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
    }
    .step-item {
        flex: 1;
        min-width: 200px;
        background: #fafaf8;
        border: 1px solid var(--color-line);
        border-radius: 16px;
        padding: 20px;
        transition: border-color .2s;
    }
    .step-item .num-badge {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        border-radius: 10px;
        background: var(--color-energy);
        color: #ffffff;
        font-size: 15px;
        font-weight: 900;
        margin-bottom: 12px;
    }
    .step-title {
        font-size: 15px;
        font-weight: 700;
        margin-bottom: 7px;
    }
    .step-desc {
        font-size: 14px;
        color: var(--color-muted);
    }

    .split-layout {
        display: grid;
        grid-template-columns: 1fr 1.2fr;
        gap: 60px;
        align-items: start;
    }
    .split-head-box h2 {
        font-size: 24px;
        font-weight: 900;
        line-height: 1.4;
        margin-bottom: 26px;
    }
    .split-head-box .lead-text {
        font-size: 15px;
        line-height: 1.9;
        color: var(--color-muted);
        margin-bottom: 20px;
    }

    .checkbox-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .checkbox-list li {
        display: flex;
        gap: 10px;
        align-items: baseline;
        padding: 10px 0;
        font-size: 15px;
        color: var(--color-ink);
        border-bottom: 1px dashed var(--color-line);
    }
    .checkbox-list li i {
        color: var(--color-teal);
        font-size: 14px;
    }

    .inline-pill {
        display: inline-block;
        background: rgba(232,93,38,.12);
        color: var(--color-energy);
        padding: 3px 12px;
        border-radius: 999px;
        font-size: 12px;
        font-weight: 700;
    }
    .inline-pill.teal {
        background: rgba(16,158,148,.1);
        color: var(--color-teal);
    }

    .numbered-block {
        display: flex;
        align-items: start;
        gap: 24px;
        padding: 22px 0;
        border-bottom: 1px solid var(--color-line);
        transition: border-left .3s;
    }
    .numbered-block:last-child {
        border-bottom: none;
    }
    .block-big-num {
        flex-shrink: 0;
        width: 48px;
        height: 48px;
        background: var(--color-night);
        color: #ffffff;
        font-size: 22px;
        font-weight: 900;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 12px;
        font-family: monospace;
    }

    .faq-wrap {
        background: #ffffff;
        border: 1px solid var(--color-line);
        border-radius: 16px;
        padding: 0 10px;
    }

    .faq-item {
        border-bottom: 1px solid var(--color-line);
    }
    .faq-item:last-child {
        border-bottom: none;
    }
    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20px 16px;
        font-size: 16px;
        font-weight: 600;
        cursor: pointer;
        user-select: none;
        transition: color .2s;
        background: transparent;
        border: none;
        width: 100%;
        text-align: left;
        font-family: inherit;
    }
    .faq-q-icon {
        color: var(--color-energy);
        flex-shrink: 0;
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height .3s ease;
    }
    .faq-answer-inner {
        padding: 0 16px 18px;
        font-size: 15px;
        line-height: 1.9;
        color: var(--color-muted);
    }

    .cta-section {
        background: var(--color-sand);
        padding: 80px 0;
    }
    .cta-card-inner {
        background: var(--color-night);
        background-image: url('/assets/images/backpic/back-2.png');
        background-size: cover;
        background-position: center;
        background-blend-mode: overlay;
        border-radius: 24px;
        padding: 56px 48px;
        position: relative;
        overflow: hidden;
        text-align: center;
    }
    .cta-card-inner::before {
        content: "";
        position: absolute;
        top: -80px;
        right: -60px;
        width: 260px;
        height: 260px;
        border-radius: 50%;
        background: rgba(232,93,38,.12);
        filter: blur(60px);
    }
    .cta-title {
        color: #ffffff;
        font-size: 32px;
        font-weight: 900;
        max-width: 640px;
        margin: 0 auto 12px;
        line-height: 1.3;
    }
    .cta-subtext {
        color: rgba(255,255,255,.65);
        font-size: 15px;
        margin-bottom: 28px;
    }

    .guide-list-hover li {
        position: relative;
        padding-left: 8px;
        transition: border-left .25s;
    }

    @media (max-width: 1024px) {
        .section-block {
            padding: 60px 0;
        }
        .split-layout {
            grid-template-columns: 1fr;
            gap: 36px;
        }
        .cat-hero-h1 {
            font-size: 30px;
        }
        .hero-content {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 768px) {
        .section-heading {
            font-size: 24px;
        }
        .section-intro {
            font-size: 14px;
        }
        .hero-banner-img {
            height: 180px;
        }
    }

    @media (max-width: 520px) {
        .cat-hero-h1 {
            font-size: 24px;
        }
        .hero-banner-img {
            height: 160px;
        }
        .section-block {
            padding: 48px 0;
        }
        .hero-actions {
            flex-direction: column;
            align-items: stretch;
        }
        .btn-primary, .btn-outline-light {
            width: 100%;
            justify-content: center;
        }
        .hero-actions {
            gap: 10px;
        }
        .cta-card-inner {
            padding: 40px 20px;
        }
        .cta-title {
            font-size: 23px;
        }
        .footer-brand-name {
            font-size: 18px;
        }
    }

/* roulang page: article */
:root {
    --color-energy: #E85D26;
    --color-energy-deep: #BC4414;
    --color-teal: #109E94;
    --color-amber: #F2B704;
    --color-night: #16191E;
    --color-ink: #22262B;
    --color-muted: #5F6B76;
    --color-sand: #F6F2EA;
    --color-line: #E4E0D8;
    --color-white: #FFFFFF;
    --r-lg: 24px;
    --r-md: 12px;
    --r-sm: 8px;
    --shadow-card: 0 4px 16px rgba(22, 25, 30, .05);
    --shadow-hover: 0 8px 28px rgba(22, 25, 30, .08);
    --font-family: "Noto Sans SC", "PingFang SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  }
  *,
  *::before,
  *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    font-family: var(--font-family);
    background: var(--color-white);
    color: var(--color-ink);
    font-size: 16px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
  }
  img {
    max-width: 100%;
    height: auto;
    display: block;
  }
  a {
    color: inherit;
    text-decoration: none;
  }
  a,
  button {
    transition: all .2s ease;
  }
  button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
  }
  ul,
  ol {
    list-style: none;
  }
  .container-1200 {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
  }
  :focus-visible {
    outline: 2px solid var(--color-energy);
    outline-offset: 2px;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: #fff;
    border-bottom: 1px solid var(--color-line);
    transition: box-shadow .3s ease, opacity .3s ease;
    opacity: .97;
  }
  .site-header.scrolled {
    box-shadow: 0 6px 24px rgba(22, 25, 30, .06);
  }
  .logo-area {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
  }
  .logo-box {
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .logo-keyword {
    font-size: 21px;
    font-weight: 900;
    letter-spacing: .5px;
    color: var(--color-ink);
    white-space: nowrap;
    line-height: 1.2;
  }
  .logo-sub-mark {
    width: 14px;
    height: 14px;
    background: var(--color-energy);
    border-radius: 4px 10px 4px 4px;
    display: inline-block;
    transform: rotate(-8deg);
  }
  .main-nav {
    display: flex;
    align-items: center;
    gap: 30px;
  }
  .nav-link {
    position: relative;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-ink);
    letter-spacing: .2px;
    padding: 8px 2px;
    white-space: nowrap;
  }
  .nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 3px;
    border-radius: 4px 4px 0 0;
    background: transparent;
    transform: scaleY(.3);
    transition: all .25s ease;
  }
  .nav-link:hover {
    color: var(--color-energy-deep);
  }
  .nav-link:hover::after {
    background: var(--color-energy);
    transform: scaleY(1);
  }
  .nav-link.active {
    color: var(--color-energy-deep);
    font-weight: 700;
  }
  .nav-link.active::after {
    background: var(--color-energy);
    transform: scaleY(1);
  }
  .header-cta-main {
    background: var(--color-energy);
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    padding: 10px 18px;
    border-radius: var(--r-md);
    line-height: 1.4;
    box-shadow: 0 4px 12px rgba(232, 93, 38, .15);
  }
  .header-cta-main:hover {
    background: var(--color-energy-deep);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(188, 68, 20, .2);
  }
  .header-cta-main:active {
    transform: scale(.98);
  }
  .hamburger-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 8px;
    border-radius: 10px;
    align-items: center;
  }
  .hamburger-btn span {
    width: 22px;
    height: 2px;
    background: var(--color-ink);
    border-radius: 2px;
    transition: all .3s ease;
  }
  .hamburger-btn:hover span {
    background: var(--color-energy);
  }
  body.menu-open .hamburger-btn span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  body.menu-open .hamburger-btn span:nth-child(2) {
    opacity: 0;
  }
  body.menu-open .hamburger-btn span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  .mobile-menu-panel {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-line);
    box-shadow: 0 16px 32px rgba(22, 25, 30, .08);
    padding: 20px 24px 28px;
  }
  body.menu-open .mobile-menu-panel {
    display: block;
  }
  .mobile-menu-panel .mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  .mobile-nav-link {
    display: block;
    padding: 12px 6px;
    font-size: 16px;
    font-weight: 700;
    color: var(--color-ink);
    border-bottom: 1px solid var(--color-sand);
  }
  .mobile-nav-link.active {
    color: var(--color-energy-deep);
  }
  .mobile-cta-row {
    margin-top: 22px;
  }
  .mobile-cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--color-energy);
    color: #fff;
    font-weight: 700;
    padding: 14px 20px;
    border-radius: var(--r-md);
  }

  .btn-main {
    background: var(--color-energy);
    color: #fff;
    font-weight: 700;
    padding: 13px 26px;
    border-radius: 14px;
    font-size: 15px;
    box-shadow: 0 4px 12px rgba(232, 93, 38, .16);
  }
  .btn-main:hover {
    background: var(--color-energy-deep);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(188, 68, 20, .24);
  }
  .btn-main:active {
    transform: scale(.98);
  }

  .breadcrumb-wrap {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-line);
    padding: 14px 0;
  }
  .breadcrumb-list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 14px;
    color: var(--color-muted);
  }
  .breadcrumb-list a {
    color: var(--color-muted);
  }
  .breadcrumb-list a:hover {
    color: var(--color-energy);
  }
  .breadcrumb-list i {
    font-size: 12px;
    color: #B5B9BE;
  }
  .breadcrumb-list span {
    color: #8B9299;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    max-width: 360px;
  }

  .article-hero {
    background: var(--color-sand);
    padding: 60px 0 52px;
    border-bottom: 1px solid var(--color-line);
  }
  .article-hero .article-hero-inner {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }
  .hero-category-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(232, 93, 38, .1);
    color: var(--color-energy-deep);
    font-weight: 700;
    font-size: 13px;
    border-radius: 999px;
    padding: 6px 14px;
    letter-spacing: .3px;
    margin-bottom: 22px;
  }
  .article-hero-title {
    font-size: clamp(28px, 4vw, 40px);
    line-height: 1.4;
    font-weight: 900;
    color: var(--color-ink);
    letter-spacing: .2px;
    border: none;
    margin: 0 0 22px;
  }
  .article-hero-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    color: var(--color-muted);
    font-size: 14px;
  }
  .article-hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  .article-hero-meta i {
    color: var(--color-energy);
  }
  .dot-sep {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #C6C9CE;
  }

  .article-body-root {
    background: #fff;
    padding: 48px 0 72px;
  }
  .article-content-shell {
    max-width: 760px;
    margin: 0 auto;
  }
  .article-rich-text {
    font-size: 17px;
    line-height: 1.9;
    color: #2C3138;
  }
  .article-rich-text p {
    margin-bottom: 28px;
    font-size: 17px;
    line-height: 1.9;
    color: #2C3138;
  }
  .article-rich-text h2 {
    font-size: 27px;
    font-weight: 900;
    line-height: 1.45;
    margin: 48px 0 20px;
    color: var(--color-ink);
    letter-spacing: .3px;
  }
  .article-rich-text h3 {
    font-size: 21px;
    font-weight: 800;
    line-height: 1.5;
    color: var(--color-ink);
    margin: 40px 0 14px;
    padding-left: 14px;
    position: relative;
  }
  .article-rich-text h3::before {
    content: "";
    position: absolute;
    left: 0;
    top: .5em;
    bottom: .5em;
    width: 5px;
    border-radius: 4px;
    background: var(--color-energy);
  }
  .article-rich-text h4 {
    font-size: 18px;
    font-weight: 800;
    color: var(--color-ink);
    margin: 30px 0 12px;
  }
  .article-rich-text a {
    color: var(--color-energy-deep);
    text-decoration: underline;
    text-underline-offset: 4px;
  }
  .article-rich-text a:hover {
    color: var(--color-energy);
  }
  .article-rich-text img {
    border-radius: 16px;
    margin: 32px auto;
    width: 100%;
  }
  .article-rich-text ul,
  .article-rich-text ol {
    margin: 0 0 26px;
    padding-left: 6px;
  }
  .article-rich-text li {
    margin-bottom: 12px;
    padding-left: 24px;
    position: relative;
  }
  .article-rich-text ul li::before {
    content: "";
    position: absolute;
    left: 2px;
    top: .7em;
    width: 7px;
    height: 7px;
    border-radius: 2px;
    background: var(--color-energy);
  }
  .article-rich-text ol {
    counter-reset: article-ol;
  }
  .article-rich-text ol li {
    counter-increment: article-ol;
  }
  .article-rich-text ol li::before {
    content: counter(article-ol) ".";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-energy);
    font-weight: 700;
  }
  .article-rich-text blockquote {
    border-left: 4px solid var(--color-energy);
    background: var(--color-sand);
    padding: 18px 24px;
    border-radius: 0 16px 16px 0;
    margin: 30px 0;
    font-size: 16px;
    color: #485059;
  }
  .article-rich-text table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    border-radius: 12px;
    overflow: hidden;
    font-size: 15px;
  }
  .article-rich-text table th {
    background: rgba(232, 93, 38, .1);
    color: var(--color-ink);
    font-weight: 700;
    padding: 12px 14px;
    text-align: left;
    border-bottom: 2px solid rgba(232, 93, 38, .2);
  }
  .article-rich-text table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--color-line);
    background: #fff;
  }
  .article-rich-text pre {
    background: var(--color-night);
    color: #F1F2F3;
    padding: 26px;
    border-radius: 14px;
    overflow-x: auto;
    font-size: 14px;
    margin: 28px 0;
  }
  .article-rich-text code {
    background: rgba(232, 93, 38, .1);
    color: var(--color-energy-deep);
    border-radius: 6px;
    padding: 2px 8px;
    font-size: 14px;
    line-height: 1.6;
    font-family: "Noto Sans SC", monospace;
  }
  .article-rich-text pre code {
    background: transparent;
    color: inherit;
    padding: 0;
    border-radius: 0;
  }
  .article-rich-text hr {
    border: 0;
    border-top: 1px solid var(--color-line);
    margin: 38px 0;
  }

  .article-bottom-shell {
    max-width: 760px;
    margin: 0 auto;
    padding-top: 20px;
    border-top: 1px solid var(--color-line);
  }
  .article-bottom-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 34px;
  }
  .tag-item {
    display: inline-flex;
    align-items: center;
    font-size: 13px;
    color: #495057;
    background: #F4F5F6;
    border-radius: 999px;
    padding: 7px 16px;
    gap: 6px;
    font-weight: 500;
  }
  .tag-item:hover {
    background: rgba(232, 93, 38, .1);
    color: var(--color-energy-deep);
  }
  .article-return-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
  }
  .back-text-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--color-energy-deep);
    padding: 10px 0;
  }
  .back-text-link:hover {
    color: var(--color-energy);
    transform: translateX(-4px);
  }

  .related-section {
    background: var(--color-sand);
    border-top: 1px solid var(--color-line);
    padding: 60px 0 72px;
  }
  .section-title-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 28px;
  }
  .related-title-main {
    font-size: 26px;
    font-weight: 900;
    color: var(--color-ink);
    position: relative;
    padding-left: 16px;
    line-height: 1.4;
  }
  .related-title-main::before {
    content: "";
    position: absolute;
    left: 0;
    top: .2em;
    bottom: .2em;
    width: 5px;
    border-radius: 4px;
    background: var(--color-energy);
  }
  .section-more-link {
    font-size: 14px;
    color: var(--color-muted);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  .section-more-link:hover {
    color: var(--color-energy);
    gap: 10px;
  }
  .related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 22px;
  }
  .related-slim-card {
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: 18px;
    overflow: hidden;
    transition: all .25s ease;
  }
  .related-slim-card:hover {
    transform: translateY(-4px);
    border-color: rgba(232, 93, 38, .35);
    box-shadow: 0 8px 28px rgba(22, 25, 30, .08);
  }
  .related-media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: #DFE1E3;
  }
  .related-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .related-media::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 40%;
    background: linear-gradient(180deg, transparent, rgba(0, 0, 0, .2));
    pointer-events: none;
  }
  .related-card-body {
    padding: 20px;
  }
  .related-cat-pill {
    display: inline-block;
    font-size: 12px;
    color: var(--color-energy-deep);
    background: rgba(232, 93, 38, .1);
    border-radius: 999px;
    padding: 3px 12px;
    font-weight: 700;
    margin-bottom: 10px;
  }
  .related-card-title {
    font-size: 17px;
    font-weight: 800;
    line-height: 1.5;
    color: var(--color-ink);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 52px;
    margin-bottom: 4px;
  }
  .related-card-title a:hover {
    color: var(--color-energy);
  }
  .related-meta-line {
    font-size: 13px;
    color: var(--color-muted);
  }

  .missing-center {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
    padding: 100px 20px;
  }
  .missing-icon-circle {
    width: 96px;
    height: 96px;
    background: var(--color-sand);
    border-radius: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 34px;
    color: var(--color-energy);
    margin-bottom: 24px;
    border: 1px dashed var(--color-energy);
  }
  .missing-title {
    font-size: 28px;
    font-weight: 900;
    color: var(--color-ink);
    margin-bottom: 17px;
  }
  .missing-desc {
    font-size: 16px;
    line-height: 1.9;
    color: var(--color-muted);
    margin-bottom: 30px;
  }
  .missing-btn {
    background: var(--color-energy);
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: 14px;
    padding: 14px 32px;
    box-shadow: 0 6px 16px rgba(232, 93, 38, .2);
  }
  .missing-btn:hover {
    background: var(--color-energy-deep);
    transform: translateY(-2px);
  }

  .site-footer {
    background: var(--color-night);
    color: #B9C0C7;
    padding: 60px 0 0;
  }
  .footer-brand-name {
    font-size: 23px;
    font-weight: 900;
    color: #fff;
    letter-spacing: .6px;
    margin-bottom: 16px;
  }
  .footer-slogan {
    font-size: 14px;
    line-height: 1.9;
    margin: 0;
    color: #98A0A8;
  }
  .footer-col-title {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 22px;
    position: relative;
    padding-bottom: 8px;
  }
  .footer-col-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 22px;
    height: 4px;
    border-radius: 4px;
    background: var(--color-energy);
  }
  .footer-link-list {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  .footer-link-list li {
    margin-bottom: 10px;
  }
  .footer-link-list a {
    color: #B9C0C7;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all .2s;
  }
  .footer-link-list a:hover {
    color: #fff;
    padding-left: 3px;
  }
  .footer-link-list a i {
    color: var(--color-energy);
    font-size: 10px;
  }
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    margin-top: 42px;
    padding: 22px 0 24px;
    text-align: center;
  }
  .footer-bottom p {
    margin: 0;
    font-size: 13px;
    line-height: 1.8;
    color: #7F878F;
  }
  .copy-line {
    margin-bottom: 6px !important;
  }
  .tech-note i {
    color: var(--color-teal);
    margin-right: 4px;
  }

  .back-to-top-btn {
    display: none;
    position: fixed;
    right: 28px;
    bottom: 46px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-night);
    color: #fff;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    z-index: 90;
    box-shadow: 0 8px 22px rgba(22, 25, 30, .18);
    cursor: pointer;
  }
  .back-to-top-btn.show {
    display: flex;
  }
  .back-to-top-btn:hover {
    background: var(--color-energy);
    transform: translateY(-3px);
  }

  @media (max-width: 1024px) {
    .desktop-nav,
    .desktop-only {
      display: none !important;
    }
    .hamburger-btn {
      display: flex;
    }
    .site-header .container-1200 {
      height: 68px !important;
    }
  }
  @media (max-width: 860px) {
    .related-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid-top {
      grid-template-columns: 1fr 1fr !important;
      gap: 32px !important;
    }
    .article-hero {
      padding: 42px 0;
    }
    .article-hero-title {
      font-size: 28px;
    }
  }
  @media (max-width: 640px) {
    .logo-keyword {
      font-size: 18px;
    }
    .logo-sub-mark {
      width: 11px;
      height: 11px;
    }
    .container-1200 {
      padding-left: 18px;
      padding-right: 18px;
    }
    .related-grid {
      grid-template-columns: 1fr;
    }
    .footer-grid-top {
      grid-template-columns: 1fr !important;
    }
    .article-content-shell {
      padding: 0 8px;
    }
    .article-bottom-shell {
      padding-left: 8px;
      padding-right: 8px;
    }
    .breadcrumb-list span {
      max-width: 180px;
    }
    .back-to-top-btn {
      right: 14px;
      bottom: 30px;
    }
  }

/* roulang page: category2 */
:root {
  --color-energy: #E85D26;
  --color-energy-deep: #BC4414;
  --color-teal: #109E94;
  --color-amber: #F2B704;
  --color-night: #16191E;
  --color-ink: #22262B;
  --color-muted: #5F6B76;
  --color-sand: #F6F2EA;
  --color-line: #E4E0D8;
  --r-lg: 20px;
  --r-md: 12px;
  --r-sm: 8px;
  --shadow-1: 0 4px 16px rgba(22,25,30,0.05);
  --shadow-2: 0 8px 28px rgba(22,25,30,0.08);
  --container-w: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-ink);
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

button,
input,
textarea {
  font-family: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-energy);
  outline-offset: 2px;
}

.container-1200 {
  max-width: var(--container-w);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section-pad {
  padding-top: 90px;
  padding-bottom: 90px;
}

/* ---------- top info ---------- */
.top-info {
  height: 36px;
  background: var(--color-night);
  color: rgba(255,255,255,0.72);
  font-size: 13px;
  display: flex;
  align-items: center;
}

.top-info-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
}

.top-info-left,
.top-info-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.top-info-right a {
  color: rgba(255,255,255,0.85);
  font-weight: 500;
  transition: color 0.2s ease;
}

.top-info-right a:hover {
  color: #ffffff;
}

.top-info-right a + a {
  padding-left: 12px;
  border-left: 1px solid rgba(255,255,255,0.2);
}

.to-dot {
  width: 7px;
  height: 7px;
  border-radius: 100%;
  background: var(--color-energy);
  box-shadow: 0 0 0 4px rgba(232,93,38,0.18);
}

.top-domain {
  letter-spacing: 0.3px;
  color: rgba(255,255,255,0.9);
  font-weight: 700;
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255,255,255,0.97);
  border-bottom: 1px solid var(--color-line);
  transition: box-shadow 0.25s ease, background 0.25s ease;
}

.site-header.scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: 0 6px 18px rgba(22,25,30,0.06);
}

.logo-area {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-text {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.5px;
  color: var(--color-ink);
  white-space: nowrap;
}

.logo-box-mark {
  width: 9px;
  height: 9px;
  background: var(--color-energy);
  border-radius: 3px;
  display: inline-block;
  border: 2px solid var(--color-amber);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.main-nav .nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-ink);
  padding: 6px 2px;
  transition: color 0.2s ease;
}

.main-nav .nav-link:hover {
  color: var(--color-energy);
}

.main-nav .nav-link.active {
  color: var(--color-energy);
  font-weight: 700;
}

.main-nav .nav-link.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 24px;
  height: 3px;
  border-radius: 99px;
  background: var(--color-energy);
}

.header-cta-main {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-energy);
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  padding: 11px 20px;
  border-radius: 12px;
  line-height: 1;
  transition: background 0.2s ease, transform 0.12s ease, box-shadow 0.2s ease;
}

.header-cta-main:hover {
  background: var(--color-energy-deep);
  box-shadow: 0 8px 20px rgba(188,68,20,0.22);
}

.header-cta-main:active {
  transform: scale(0.98);
}

.hamburger-btn {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-line);
  background: #ffffff;
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0;
}

.hamburger-btn span {
  width: 18px;
  height: 2px;
  border-radius: 99px;
  background: var(--color-ink);
  display: block;
}

/* ---------- mobile drawer ---------- */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 89;
  background: rgba(22,25,30,0.5);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.drawer-backdrop.show {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(340px, 88vw);
  background: #ffffff;
  z-index: 90;
  box-shadow: -10px 0 40px rgba(22,25,30,0.2);
  transform: translateX(105%);
  transition: transform 0.35s ease;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.mobile-drawer.open {
  transform: translateX(0);
}

.mobile-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px;
  border-bottom: 1px solid var(--color-line);
}

.mobile-drawer-head .logo-text {
  font-size: 18px;
}

.mobile-close-btn {
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-line);
  background: #ffffff;
  border-radius: 10px;
  font-size: 20px;
  line-height: 1;
  color: var(--color-ink);
  cursor: pointer;
}

.mobile-drawer-body {
  padding: 14px 20px 24px;
}

.mobile-drawer-title {
  font-size: 13px;
  color: var(--color-muted);
  font-weight: 500;
  margin-top: 10px;
  margin-bottom: 8px;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid #f2f0ec;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-ink);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.mobile-nav-link.active {
  color: var(--color-energy);
  font-weight: 700;
}

.mobile-nav-link:hover {
  color: var(--color-energy);
  padding-left: 6px;
}

.mobile-login-entry {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(232,93,38,0.08);
  color: var(--color-energy-deep);
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  margin-top: 12px;
}

.mobile-cta-btn {
  display: block;
  margin-top: 18px;
  background: var(--color-energy);
  color: #ffffff;
  text-align: center;
  font-weight: 700;
  padding: 13px 16px;
  border-radius: 12px;
}

/* ---------- hero / breadcrumb ---------- */
.cat-hero {
  background:
    linear-gradient(180deg, #ffffff 0%, var(--color-sand) 100%);
  padding: 38px 0 64px;
  border-bottom: 1px solid var(--color-line);
  position: relative;
  overflow: hidden;
}

.cat-hero::before {
  content: "";
  position: absolute;
  right: -90px;
  top: -80px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(232,93,38,0.06) 0%, rgba(255,255,255,0) 70%);
  pointer-events: none;
}

.breadcrumb {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.breadcrumb a {
  color: var(--color-muted);
}

.breadcrumb a:hover {
  color: var(--color-energy);
}

.breadcrumb .sep {
  margin: 0 9px;
  color: #bfc0be;
}

.cat-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 54px;
  align-items: center;
}

.cat-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-energy-deep);
  background: rgba(232,93,38,0.1);
  padding: 6px 13px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.cat-hero-title {
  font-size: clamp(38px, 5vw, 58px);
  line-height: 1.22;
  font-weight: 900;
  color: var(--color-ink);
  margin: 0 0 20px;
  letter-spacing: 0.5px;
}

.cat-hero-title .energy-span {
  color: var(--color-energy);
  position: relative;
}

.cat-hero-title .energy-span::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 9px;
  z-index: -1;
  background: rgba(242,183,4,0.24);
  border-radius: 4px;
}

.cat-hero-lead {
  font-size: 17px;
  color: var(--color-muted);
  line-height: 1.9;
  max-width: 540px;
  margin: 0 0 28px;
}

.address-note {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  color: var(--color-muted);
  background: rgba(255,255,255,0.72);
  border: 1px dashed rgba(22,25,30,0.16);
  border-radius: 999px;
  padding: 7px 14px;
}

.address-note i {
  color: var(--color-teal);
}

.hero-visual {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow-2);
  border: 1px solid rgba(255,255,255,0.6);
  aspect-ratio: 4 / 3;
  min-height: 280px;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.visual-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(215deg, rgba(22,25,30,0.05) 0%, rgba(22,25,30,0.5) 100%);
  pointer-events: none;
}

.visual-grid-line {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.11) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.11) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  mix-blend-mode: overlay;
}

.visual-address-box {
  position: absolute;
  left: 18px;
  right: 18px;
  top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.94);
  padding: 9px 14px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(22,25,30,0.12);
}

.visual-address-box i {
  color: var(--color-teal);
}

.visual-tag {
  position: absolute;
  left: 18px;
  bottom: 18px;
  background: rgba(22,25,30,0.7);
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 13px;
  border-radius: 999px;
  backdrop-filter: blur(2px);
}

/* ---------- section headings ---------- */
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-energy-deep);
  letter-spacing: 0.08em;
}

.section-kicker::before {
  content: "";
  width: 24px;
  height: 3px;
  background: var(--color-amber);
  border-radius: 99px;
}

.section-heading {
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 1.35;
  margin: 16px 0 14px;
  color: var(--color-ink);
}

.section-sub {
  color: var(--color-muted);
  font-size: 16px;
  max-width: 640px;
}

/* ---------- split intro ---------- */
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.intro-copy p {
  margin: 0 0 16px;
  color: #384047;
  font-size: 16px;
  line-height: 1.9;
}

.point-checklist {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.point-checklist li {
  display: flex;
  gap: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-ink);
  line-height: 1.6;
  align-items: flex-start;
}

.point-checklist i {
  color: var(--color-teal);
  margin-top: 5px;
}

.intro-media {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-1);
}

.intro-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.intro-media > div {
  position: relative;
  display: block;
  aspect-ratio: 5 / 4;
}

.intro-media .intro-overlay {
  position: absolute;
  left: 16px;
  bottom: 16px;
  right: 16px;
  background: rgba(255,255,255,0.92);
  padding: 12px 16px;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(22,25,30,0.1);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 600;
}

.intro-overlay .square-symbol {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: 10px;
  background: rgba(232,93,38,0.14);
  color: var(--color-energy);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ---------- knowledge cards ---------- */
.knowledge-section {
  background: #ffffff;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 42px;
}

.knowledge-card {
  border: 1px solid var(--color-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: #ffffff;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.knowledge-card:hover {
  transform: translateY(-5px);
  border-color: rgba(232,93,38,0.4);
  box-shadow: var(--shadow-2);
}

.knowledge-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.knowledge-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.knowledge-card:hover .knowledge-media img {
  transform: scale(1.04);
}

.knowledge-media .media-soft-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(22,25,30,0.02), rgba(22,25,30,0.24));
  pointer-events: none;
}

.knowledge-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(255,255,255,0.94);
  color: var(--color-energy-deep);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 11px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(22,25,30,0.08);
}

.knowledge-body {
  padding: 22px 22px 12px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.knowledge-body h3 {
  font-size: 20px;
  font-weight: 800;
  margin: 0 0 10px;
  letter-spacing: 0.2px;
}

.knowledge-body p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-muted);
  margin: 0;
}

.knowledge-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-energy);
  font-size: 14px;
  font-weight: 700;
  padding: 12px 0 16px;
  transition: gap 0.2s ease, color 0.2s ease;
}

.knowledge-link:hover {
  color: var(--color-energy-deep);
  gap: 13px;
}

/* ---------- numbered guide ---------- */
.guide-section {
  background: var(--color-sand);
}

.guide-wrap {
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  gap: 56px;
  align-items: center;
  margin-top: 42px;
}

.numbered-stack {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.numbered-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  background: #ffffff;
  border: 1px solid var(--color-line);
  border-radius: 16px;
  padding: 16px 18px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  align-items: flex-start;
}

.numbered-item:hover {
  border-color: rgba(232,93,38,0.45);
  box-shadow: var(--shadow-1);
}

.number-symbol {
  width: 40px;
  height: 40px;
  background: rgba(232,93,38,0.1);
  color: var(--color-energy);
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 900;
  line-height: 1;
}

.numbered-text strong {
  display: block;
  font-size: 16px;
  color: var(--color-ink);
  margin-bottom: 3px;
  font-weight: 800;
}

.numbered-text span {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-muted);
  display: block;
}

.guide-aside-card {
  background: var(--color-night);
  color: rgba(255,255,255,0.85);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-2);
  position: relative;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.guide-aside-card .guide-pack-img {
  position: absolute;
  inset: 0;
  opacity: 0.6;
}

.guide-pack-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.guide-aside-card .guide-pack-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(22,25,30,0.1) 0%, rgba(22,25,30,0.88) 100%);
}

.guide-pack-body {
  position: relative;
  padding: 26px;
}

.guide-pack-body h3 {
  color: #ffffff;
  font-size: 23px;
  font-weight: 900;
  margin: 0 0 12px;
}

.guide-pack-body p {
  font-size: 14px;
  line-height: 1.9;
  color: rgba(255,255,255,0.78);
  margin: 0 0 18px;
}

.guide-pack-note {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--color-amber);
  font-size: 13px;
  font-weight: 700;
}

/* ---------- hero CTA etc maybe ---------- */
.bottom-cta-section {
  background: #ffffff;
  padding-top: 80px;
  padding-bottom: 90px;
}

.cta-panel {
  background:
    linear-gradient(135deg, var(--color-night) 0%, #1d2229 100%);
  border-radius: 24px;
  padding: 54px 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  color: #ffffff;
}

.cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}

.cta-panel .cta-keyline {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-amber);
  background: rgba(255,255,255,0.08);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.cta-panel h2 {
  position: relative;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 900;
  margin: 0 0 14px;
  line-height: 1.4;
  color: #ffffff;
}

.cta-panel p {
  position: relative;
  color: rgba(255,255,255,0.78);
  font-size: 16px;
  max-width: 520px;
  margin: 0 0 24px;
}

.btn-primary {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--color-energy);
  color: #ffffff;
  font-weight: 800;
  font-size: 16px;
  padding: 16px 30px;
  border-radius: 14px;
  line-height: 1;
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  box-shadow: 0 8px 24px rgba(232,93,38,0.3);
}

.btn-primary:hover {
  background: var(--color-energy-deep);
  box-shadow: 0 10px 30px rgba(188,68,20,0.32);
}

.btn-primary:active {
  transform: scale(0.98);
}

.cta-note {
  position: relative;
  font-size: 13px !important;
  color: rgba(255,255,255,0.6) !important;
  margin-top: 16px !important;
}

/* ---------- FAQ ---------- */
.faq-section {
  background: var(--color-sand);
  padding-top: 90px;
  padding-bottom: 90px;
}

.faq-outer-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 60px;
  align-items: flex-start;
}

.faq-side {
  position: sticky;
  top: 110px;
}

.faq-side h2 {
  font-size: 32px;
  font-weight: 900;
  margin: 16px 0 12px;
  line-height: 1.4;
}

.faq-side p {
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.9;
  margin: 0 0 22px;
}

.text-link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-energy);
  font-size: 14px;
  font-weight: 700;
}

.text-link-arrow:hover {
  color: var(--color-energy-deep);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--color-line);
  border-radius: 16px;
  padding: 0;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item.is-open {
  border-color: rgba(232,93,38,0.42);
  box-shadow: var(--shadow-1);
}

.faq-question {
  width: 100%;
  background: transparent;
  border: 0;
  padding: 20px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
  cursor: pointer;
  font-size: 16px;
  color: var(--color-ink);
  font-weight: 700;
  line-height: 1.6;
}

.faq-q-index {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 9px;
  background: rgba(232,93,38,0.11);
  color: var(--color-energy);
  font-weight: 900;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.faq-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  margin-left: auto;
  position: relative;
  border-radius: 8px;
  background: #f5f5f3;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 2px;
  background: var(--color-ink);
  transform: translate(-50%, -50%);
  border-radius: 99px;
  transition: background 0.2s ease, transform 0.2s ease;
}

.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item.is-open .faq-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.faq-item.is-open .faq-icon {
  background: var(--color-energy);
}

.faq-item.is-open .faq-icon::before,
.faq-item.is-open .faq-icon::after {
  background: #ffffff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.38s ease;
}

.faq-answer-content {
  padding: 0 20px 20px 66px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-muted);
}

/* ---------- footer ---------- */
.site-footer {
  background: var(--color-night);
  color: rgba(255,255,255,0.72);
  padding: 68px 0 28px;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 40px;
}

.footer-brand-name {
  font-size: 24px;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.footer-slogan {
  color: rgba(255,255,255,0.58);
  line-height: 1.9;
  max-width: 320px;
  margin: 0;
}

.footer-col-title {
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 16px;
}

.footer-link-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.footer-link-list li {
  margin: 0;
}

.footer-link-list a {
  color: rgba(255,255,255,0.62);
  font-size: 14px;
  transition: color 0.2s ease, padding-left 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-link-list a:hover {
  color: #ffffff;
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 50px;
  padding-top: 22px;
  text-align: center;
}

.copy-line,
.tech-note {
  margin: 4px 0;
  color: rgba(255,255,255,0.48);
  font-size: 13px;
  line-height: 1.8;
}

.tech-note i {
  margin-right: 4px;
}

/* ---------- responsive ---------- */
@media (max-width: 1023.98px) {
  .desktop-nav,
  .header-cta-main {
    display: none !important;
  }

  .hamburger-btn {
    display: inline-flex;
  }

  .cat-hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-visual {
    min-height: 240px;
  }

  .split-grid {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .knowledge-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .guide-wrap {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .faq-outer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .faq-side {
    position: static;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767.98px) {
  .top-info {
    display: none;
  }

  .section-pad {
    padding-top: 58px;
    padding-bottom: 58px;
  }

  .cat-hero {
    padding-top: 24px;
    padding-bottom: 40px;
  }

  .cat-hero-title {
    font-size: 34px;
  }

  .cat-hero-lead {
    font-size: 16px;
  }

  .knowledge-grid {
    grid-template-columns: 1fr;
  }

  .numbered-item {
    grid-template-columns: 42px 1fr;
    padding: 14px;
  }

  .cta-panel {
    padding: 40px 22px;
  }

  .cta-panel h2 {
    font-size: 26px;
  }

  .faq-answer-content {
    padding-left: 20px;
    padding-right: 18px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    margin-top: 34px;
  }
}

@media (max-width: 420px) {
  .container-1200 {
    padding-left: 16px;
    padding-right: 16px;
  }

  .logo-text {
    font-size: 18px;
  }

  .cat-hero-title {
    font-size: 29px;
  }

  .guide-aside-card {
    min-height: 300px;
  }

  .numbered-text span {
    font-size: 13px;
  }
}

/* roulang page: category3 */
:root {
      --color-energy: #E85D26;
      --color-energy-deep: #BC4414;
      --color-teal: #109E94;
      --color-amber: #F2B704;
      --color-night: #16191E;
      --color-ink: #22262B;
      --color-muted: #5F6B76;
      --color-sand: #F6F2EA;
      --color-line: #E4E0D8;
      --radius-lg: 16px;
      --radius-xl: 20px;
      --shadow-card: 0 4px 16px rgba(22, 25, 30, .05);
      --shadow-hover: 0 8px 28px rgba(22, 25, 30, .08);
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--color-ink);
      background: #fff;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      max-width: 100%;
      display: block;
    }

    button,
    input {
      font-family: inherit;
    }

    ul,
    ol {
      list-style: none;
    }

    .container-1200 {
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* ===== 头部导航 ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 60;
      background: rgba(255, 255, 255, .96);
      border-bottom: 1px solid var(--color-line);
      transition: box-shadow .3s ease;
    }

    .site-header.scrolled {
      box-shadow: 0 4px 18px rgba(22, 25, 30, .07);
    }

    .logo-area {
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }

    .logo-keyword {
      font-size: 21px;
      font-weight: 900;
      letter-spacing: .5px;
      color: var(--color-ink);
      line-height: 1.2;
    }

    .logo-sub-mark {
      width: 10px;
      height: 16px;
      border-radius: 5px;
      background: var(--color-energy);
      transform: rotate(8deg);
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .nav-link {
      display: inline-block;
      padding: 9px 13px;
      font-size: 15px;
      font-weight: 500;
      color: var(--color-ink);
      border-radius: 10px;
      transition: all .25s ease;
      position: relative;
    }

    .nav-link:hover {
      color: var(--color-energy-deep);
      background: #fdf1ea;
    }

    .nav-link.active {
      color: var(--color-energy-deep);
      font-weight: 700;
      background: rgba(232, 93, 38, .09);
    }

    .header-cta-main {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--color-energy);
      color: #fff;
      font-size: 14px;
      font-weight: 700;
      padding: 10px 20px;
      border-radius: 12px;
      border: 1px solid transparent;
      transition: all .28s ease;
      cursor: pointer;
    }

    .header-cta-main:hover {
      background: var(--color-energy-deep);
      transform: translateY(-1px);
      box-shadow: 0 6px 18px rgba(232, 93, 38, .28);
    }

    .header-cta-main:active {
      transform: scale(.98);
    }

    .hamburger-btn {
      display: none;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      width: 44px;
      height: 44px;
      border: 1px solid var(--color-line);
      background: #fff;
      border-radius: 12px;
      gap: 5px;
      cursor: pointer;
    }

    .hamburger-btn span {
      width: 18px;
      height: 2px;
      border-radius: 4px;
      background: var(--color-ink);
      transition: all .3s ease;
      display: block;
    }

    .hamburger-btn.active span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .hamburger-btn.active span:nth-child(2) {
      opacity: 0;
    }

    .hamburger-btn.active span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    .mobile-menu-panel {
      display: none;
      background: #fff;
      border-top: 1px solid var(--color-line);
      padding: 14px 24px 22px;
    }

    .mobile-menu-panel.open {
      display: block;
    }

    .mobile-menu-panel a {
      display: block;
      padding: 12px 14px;
      border-radius: 10px;
      font-size: 15px;
      color: var(--color-ink);
      border-bottom: 1px solid #f3f0ea;
    }

    .mobile-menu-panel a:hover {
      background: var(--color-sand);
      color: var(--color-energy-deep);
    }

    .mobile-menu-panel .mobile-cta {
      display: flex;
      justify-content: center;
      background: var(--color-energy);
      color: #fff;
      font-weight: 700;
      border: 0;
      margin-top: 8px;
    }

    /* ===== 公共按钮 ===== */
    .btn-main {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      background: var(--color-energy);
      color: #fff;
      font-size: 15px;
      font-weight: 700;
      padding: 14px 28px;
      border-radius: 12px;
      border: 1px solid transparent;
      transition: all .28s ease;
      cursor: pointer;
    }

    .btn-main:hover {
      background: var(--color-energy-deep);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(232, 93, 38, .25);
    }

    .btn-main:active {
      transform: scale(.98);
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      background: transparent;
      color: var(--color-ink);
      font-size: 15px;
      font-weight: 700;
      padding: 13px 26px;
      border-radius: 12px;
      border: 1px solid var(--color-line);
      transition: all .28s ease;
      cursor: pointer;
    }

    .btn-outline:hover {
      border-color: var(--color-energy);
      color: var(--color-energy-deep);
      background: rgba(232, 93, 38, .04);
    }

    .text-link-arrow {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--color-energy-deep);
      font-weight: 700;
      font-size: 14px;
      transition: gap .25s ease;
    }

    .text-link-arrow:hover {
      gap: 10px;
      color: var(--color-energy);
    }

    .section-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 2px;
      color: var(--color-energy);
      text-transform: uppercase;
    }

    .section-title {
      font-size: 32px;
      font-weight: 900;
      line-height: 1.35;
      letter-spacing: .2px;
      color: var(--color-ink);
      margin-top: 8px;
    }

    .section-sub {
      color: var(--color-muted);
      font-size: 16px;
      line-height: 1.9;
      margin-top: 14px;
    }

    .section-main {
      padding: 84px 0;
      background: #fff;
    }

    .section-sand {
      padding: 84px 0;
      background: var(--color-sand);
    }

    .badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      background: #fffdf7;
      border: 1px solid #eee0d2;
      color: #a74617;
      font-size: 12px;
      font-weight: 700;
      padding: 5px 12px;
      border-radius: 999px;
      line-height: 1;
    }

    .dark-badge {
      background: rgba(255, 255, 255, .14);
      border: 1px solid rgba(255, 255, 255, .22);
      color: #fff;
    }

    /* ===== 分类页 Hero ===== */
    .category-hero {
      background: var(--color-night);
      color: #fff;
      position: relative;
      overflow: hidden;
    }

    .category-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
      background-size: 32px 32px;
      pointer-events: none;
    }

    .breadcrumb-cat {
      position: relative;
      z-index: 2;
      font-size: 13px;
      color: #bdc3c9;
      display: flex;
      gap: 8px;
      align-items: center;
      padding: 22px 0 0;
    }

    .breadcrumb-cat a {
      color: rgba(255, 255, 255, .7);
      transition: color .25s;
    }

    .breadcrumb-cat a:hover {
      color: #fff;
    }

    .breadcrumb-sep {
      opacity: .6;
    }

    .category-hero-grid {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 58px;
      align-items: center;
      padding: 34px 0 58px;
    }

    .hero-h1 {
      font-size: 38px;
      font-weight: 900;
      line-height: 1.3;
      letter-spacing: .5px;
      color: #fff;
      margin-top: 18px;
    }

    .hero-h1 .hero-line {
      color: var(--color-amber);
      position: relative;
    }

    .hero-desc {
      font-size: 16px;
      color: rgba(255, 255, 255, .78);
      line-height: 2;
      margin-top: 18px;
      max-width: 440px;
    }

    .hero-dots {
      display: flex;
      gap: 16px;
      margin-top: 26px;
      flex-wrap: wrap;
    }

    .hero-dot-item {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: rgba(255, 255, 255, .7);
    }

    .hero-dot-item i {
      color: var(--color-teal);
      font-size: 12px;
    }

    .category-hero-visual {
      position: relative;
    }

    .hero-banner-card {
      background: rgba(255, 255, 255, .06);
      border: 1px solid rgba(255, 255, 255, .14);
      border-radius: var(--radius-xl);
      overflow: hidden;
      position: relative;
      box-shadow: 0 18px 40px rgba(0, 0, 0, .2);
    }

    .hero-banner-card img {
      width: 100%;
      height: 280px;
      object-fit: cover;
    }

    .hero-banner-card::after {
      content: "";
      position: absolute;
      inset: auto 0 0 0;
      height: 40%;
      background: linear-gradient(180deg, transparent, rgba(22, 25, 30, .65));
      pointer-events: none;
    }

    .hero-banner-tag {
      position: absolute;
      left: 18px;
      bottom: 16px;
      right: 18px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: #fff;
      z-index: 2;
      font-weight: 700;
      font-size: 14px;
    }

    .hero-banner-tag span {
      background: rgba(255, 255, 255, .15);
      border: 1px solid rgba(255, 255, 255, .2);
      padding: 5px 12px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 500;
      backdrop-filter: blur(4px);
    }

    /* ===== 图文分区 ===== */
    .split-block {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 56px;
      align-items: center;
    }

    .split-media {
      position: relative;
      border-radius: 20px;
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }

    .split-media img {
      width: 100%;
      height: 320px;
      object-fit: cover;
    }

    .split-media::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(150deg, rgba(22, 25, 30, .1), rgba(22, 25, 30, .3));
      pointer-events: none;
    }

    .split-content h2 {
      font-size: 28px;
      font-weight: 900;
      line-height: 1.4;
      color: var(--color-ink);
      margin-top: 8px;
    }

    .split-content p {
      font-size: 15px;
      line-height: 1.95;
      color: var(--color-muted);
      margin-top: 16px;
    }

    .split-list {
      margin-top: 18px;
      display: grid;
      gap: 10px;
    }

    .split-list li {
      display: flex;
      gap: 10px;
      font-size: 14px;
      color: var(--color-ink);
      line-height: 1.8;
    }

    .split-list i {
      color: var(--color-teal);
      font-size: 14px;
      margin-top: 6px;
    }

    /* ===== Activity cards ===== */
    .activity-card {
      background: #fff;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-xl);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
    }

    .activity-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: #efc9ad;
    }

    .cover-photo {
      position: relative;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background: var(--color-night);
    }

    .cover-photo img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .5s ease;
    }

    .activity-card:hover .cover-photo img {
      transform: scale(1.04);
    }

    .cover-photo::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(22, 25, 30, .02), rgba(22, 25, 30, .22));
      pointer-events: none;
    }

    .cover-badge {
      position: absolute;
      top: 14px;
      left: 14px;
      z-index: 2;
    }

    .card-pad {
      padding: 20px 22px 22px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .card-title {
      font-size: 19px;
      font-weight: 800;
      color: var(--color-ink);
      line-height: 1.4;
    }

    .card-copy {
      font-size: 14px;
      color: var(--color-muted);
      line-height: 1.85;
      margin-top: 12px;
      flex: 1;
    }

    .card-bottom-link {
      margin-top: 18px;
    }

    .wide-event-card {
      background: linear-gradient(130deg, #fff8f2, #fffdf9);
      border: 1px solid #efddce;
      border-radius: var(--radius-xl);
      padding: 28px 30px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      margin-top: 24px;
    }

    .wide-event-copy h3 {
      font-size: 20px;
      font-weight: 800;
      color: var(--color-ink);
    }

    .wide-event-copy p {
      font-size: 14px;
      color: var(--color-muted);
      margin-top: 8px;
      line-height: 1.85;
      max-width: 760px;
    }

    /* ===== numbered guide ===== */
    .guide-list {
      display: grid;
      gap: 14px;
    }

    .guide-item {
      display: flex;
      gap: 20px;
      background: #fff;
      border: 1px solid var(--color-line);
      border-radius: 18px;
      padding: 20px 22px;
      transition: border-color .3s ease, box-shadow .3s ease, transform .3s ease;
      border-left: 4px solid transparent;
    }

    .guide-item:hover {
      border-left-color: var(--color-energy);
      border-top-color: var(--color-line);
      border-right-color: var(--color-line);
      border-bottom-color: var(--color-line);
      box-shadow: var(--shadow-card);
      transform: translateX(4px);
    }

    .guide-num {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 46px;
      height: 46px;
      flex: 0 0 46px;
      border-radius: 13px;
      background: var(--color-night);
      color: var(--color-amber);
      font-weight: 900;
      font-size: 20px;
    }

    .guide-text {
      color: var(--color-ink);
    }

    .guide-text h4 {
      font-size: 16px;
      font-weight: 800;
      color: var(--color-ink);
    }

    .guide-text p {
      margin-top: 6px;
      font-size: 14px;
      line-height: 1.8;
      color: var(--color-muted);
    }

    /* ===== steps ===== */
    .step-tile {
      background: var(--color-night);
      border-radius: 20px;
      padding: 26px 24px;
      color: #fff;
      position: relative;
      overflow: hidden;
      min-height: 190px;
    }

    .step-tile::before {
      content: "";
      position: absolute;
      right: -20px;
      top: -20px;
      width: 90px;
      height: 90px;
      border-radius: 50%;
      background: rgba(16, 158, 148, .28);
    }

    .step-kicker {
      font-size: 12px;
      letter-spacing: 2px;
      color: var(--color-amber);
      font-weight: 700;
    }

    .step-tile h3 {
      font-size: 19px;
      font-weight: 800;
      margin-top: 14px;
      line-height: 1.45;
    }

    .step-tile p {
      font-size: 14px;
      color: rgba(255, 255, 255, .68);
      line-height: 1.85;
      margin-top: 10px;
    }

    .step-tile i.fa-solid,
    .step-tile i.fa-regular {
      position: absolute;
      right: 14px;
      bottom: 12px;
      font-size: 48px;
      color: rgba(255, 255, 255, .09);
    }

    /* ===== data band ===== */
    .data-band {
      background: #fff;
      border: 1px solid var(--color-line);
      border-radius: 20px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      overflow: hidden;
    }

    .data-cell {
      padding: 24px 20px;
      text-align: center;
      border-left: 1px solid var(--color-line);
    }

    .data-cell:first-child {
      border-left: 0;
    }

    .data-num {
      font-size: 34px;
      font-weight: 900;
      color: var(--color-energy);
      line-height: 1.2;
      font-variant-numeric: tabular-nums;
    }

    .data-cell:nth-child(2) .data-num {
      color: var(--color-teal);
    }

    .data-cell:nth-child(3) .data-num {
      color: var(--color-energy);
    }

    .data-label {
      font-size: 13px;
      color: var(--color-muted);
      margin-top: 6px;
    }

    /* ===== FAQ ===== */
    .faq-wrap {
      max-width: 860px;
      margin-left: auto;
      margin-right: auto;
    }

    .faq-item {
      background: #fff;
      border: 1px solid var(--color-line);
      border-radius: 16px;
      margin-bottom: 12px;
      overflow: hidden;
      transition: border-color .3s ease;
    }

    .faq-item.open {
      border-color: #ddb49c;
    }

    .faq-question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 14px;
      background: transparent;
      border: 0;
      padding: 17px 20px;
      text-align: left;
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      color: var(--color-ink);
      transition: color .25s ease;
    }

    .faq-question:hover {
      color: var(--color-energy-deep);
    }

    .faq-question .question-text {
      flex: 1;
    }

    .faq-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 28px;
      height: 28px;
      flex: 0 0 28px;
      border-radius: 8px;
      background: #f7f3ec;
      color: var(--color-ink);
      font-size: 18px;
      font-weight: 700;
      line-height: 1;
      transition: all .3s ease;
    }

    .faq-item.open .faq-icon {
      background: var(--color-energy);
      color: #fff;
      transform: rotate(135deg);
    }

    .faq-answer {
      display: none;
      padding: 0 22px 20px;
      font-size: 15px;
      line-height: 1.9;
      color: var(--color-muted);
    }

    .faq-item.open .faq-answer {
      display: block;
    }

    /* ===== CTA ===== */
    .cta-box {
      background: var(--color-night);
      border-radius: 24px;
      padding: 54px 40px;
      text-align: center;
      color: #fff;
      position: relative;
      overflow: hidden;
    }

    .cta-box::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: radial-gradient(circle at 20% 20%, rgba(232, 93, 38, .34), transparent 26%),
        radial-gradient(circle at 80% 80%, rgba(16, 158, 148, .22), transparent 30%);
      pointer-events: none;
    }

    .cta-box h2 {
      position: relative;
      z-index: 2;
      font-size: 30px;
      font-weight: 900;
      line-height: 1.4;
    }

    .cta-box p {
      position: relative;
      z-index: 2;
      margin-top: 14px;
      font-size: 15px;
      color: rgba(255, 255, 255, .7);
      line-height: 1.9;
    }

    .cta-btn-row {
      position: relative;
      z-index: 2;
      margin-top: 24px;
      display: flex;
      gap: 14px;
      justify-content: center;
      flex-wrap: wrap;
    }

    .btn-white {
      background: #fff;
      color: var(--color-night);
      display: inline-flex;
      align-items: center;
      gap: 9px;
      padding: 14px 30px;
      border-radius: 12px;
      font-weight: 800;
      transition: all .28s ease;
    }

    .btn-white:hover {
      background: var(--color-amber);
      transform: translateY(-2px);
      box-shadow: 0 10px 30px rgba(0, 0, 0, .22);
    }

    .cta-mini-tip {
      position: relative;
      z-index: 2;
      margin-top: 18px;
      font-size: 13px;
      color: rgba(255, 255, 255, .48);
    }

    /* ===== 数据标签 ===== */
    .tool-chip {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: #fff;
      border: 1px solid var(--color-line);
      border-radius: 999px;
      font-size: 13px;
      font-weight: 600;
      color: var(--color-ink);
      padding: 8px 15px;
      transition: all .25s ease;
    }

    .tool-chip:hover {
      border-color: var(--color-teal);
      color: var(--color-teal);
      background: #f2fbfa;
    }

    /* ===== footer ===== */
    .site-footer {
      background: var(--color-night);
      color: #d7dbe0;
      padding: 54px 0 20px;
      margin-top: 0;
    }

    .footer-brand-name {
      font-size: 20px;
      font-weight: 900;
      color: #fff;
      letter-spacing: .5px;
    }

    .footer-slogan {
      margin-top: 12px;
      font-size: 14px;
      line-height: 1.9;
      color: #9ca3ab;
      max-width: 360px;
    }

    .footer-col-title {
      font-size: 15px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 16px;
    }

    .footer-link-list {
      display: grid;
      gap: 9px;
    }

    .footer-link-list li a {
      font-size: 14px;
      color: #b2b8bf;
      transition: color .25s ease, padding-left .25s ease;
    }

    .footer-link-list li a:hover {
      color: #fff;
      padding-left: 4px;
    }

    .footer-bottom {
      border-top: 1px solid #2c3037;
      margin-top: 38px;
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
      font-size: 13px;
      color: #899098;
    }

    .copy-line i {
      margin-right: 4px;
    }

    .tech-note {
      color: #777f88;
    }

    .tech-note i {
      margin-right: 4px;
    }

    a:focus-visible,
    button:focus-visible {
      outline: 2px solid var(--color-energy);
      outline-offset: 2px;
      border-radius: 8px;
    }

    /* ===== responsive ===== */
    @media (max-width: 1024px) {
      .desktop-nav {
        display: none;
      }

      .desktop-only {
        display: none !important;
      }

      .hamburger-btn {
        display: flex;
      }

      .category-hero-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        padding-bottom: 40px;
      }

      .hero-banner-card img {
        height: 320px;
      }

      .data-band {
        grid-template-columns: repeat(2, 1fr);
      }

      .data-cell:nth-child(3) {
        border-left: 0;
        border-top: 1px solid var(--color-line);
      }

      .data-cell:nth-child(2) {
        border-top: 1px solid var(--color-line);
      }

      .data-cell:nth-child(4) {
        border-top: 1px solid var(--color-line);
      }

      .split-block {
        grid-template-columns: 1fr;
        gap: 30px;
      }

      .section-main,
      .section-sand {
        padding: 64px 0;
      }
    }

    @media (max-width: 768px) {
      .category-hero {
        padding-top: 0;
      }

      .hero-h1 {
        font-size: 30px;
      }

      .section-title {
        font-size: 26px;
      }

      .step-tile {
        min-height: 160px;
      }

      .guide-item {
        flex-direction: column;
        gap: 12px;
      }

      .cta-box {
        padding: 34px 20px;
      }

      .cta-box h2 {
        font-size: 24px;
      }

      .footer-brand-name {
        font-size: 19px;
      }
    }

    @media (max-width: 560px) {
      .category-hero-grid {
        grid-template-columns: 1fr;
      }

      .hero-h1 {
        font-size: 27px;
      }

      .hero-banner-card img {
        height: 220px;
      }

      .section-main,
      .section-sand {
        padding: 48px 0;
      }

      .section-title {
        font-size: 23px;
      }

      .btn-main,
      .btn-outline {
        width: 100%;
      }

      .data-band {
        grid-template-columns: 1fr 1fr;
      }

      .data-cell {
        padding: 16px 12px;
      }

      .data-num {
        font-size: 26px;
      }

      .footer-bottom {
        flex-direction: column;
      }
    }

/* roulang page: category4 */
:root {
    --color-energy: #E85D26;
    --color-energy-deep: #BC4414;
    --color-teal: #109E94;
    --color-amber: #F2B704;
    --color-night: #16191E;
    --color-ink: #22262B;
    --color-muted: #5F6B76;
    --color-sand: #F6F2EA;
    --color-line: #E4E0D8;
    --radius-lg: 22px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --shadow-card: 0 4px 16px rgba(22,25,30,.05);
    --shadow-card-hover: 0 8px 28px rgba(22,25,30,.08);
    --font-cn: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  }

  *,
  *::before,
  *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  html {
    -webkit-font-smoothing: antialiased;
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
  }

  body {
    font-family: var(--font-cn);
    background: #ffffff;
    color: var(--color-ink);
    line-height: 1.8;
    overflow-x: hidden;
  }

  img {
    max-width: 100%;
    display: block;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  button {
    font-family: inherit;
    cursor: pointer;
    border: 0;
    background: none;
  }

  ul {
    list-style: none;
  }

  a:focus-visible,
  button:focus-visible {
    outline: 1px dashed var(--color-energy);
    outline-offset: 2px;
  }

  .container-1200 {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
  }

  .section-pad {
    padding: 104px 0;
  }

  .section-pad-sm {
    padding: 72px 0;
  }

  .center-inner {
    max-width: 820px;
    margin: 0 auto;
    text-align: center;
  }

  .section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .12em;
    color: var(--color-energy);
    text-transform: uppercase;
  }

  .section-kicker::before {
    content: "";
    width: 22px;
    height: 2px;
    background: var(--color-energy);
    border-radius: 99px;
  }

  .section-heading {
    font-size: clamp(28px, 3.4vw, 38px);
    font-weight: 900;
    line-height: 1.3;
    color: var(--color-ink);
    margin-top: 12px;
  }

  .section-desc {
    margin-top: 16px;
    color: var(--color-muted);
    font-size: 16px;
    line-height: 1.9;
  }

  /* Header */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: #ffffff;
    border-bottom: 1px solid var(--color-line);
    transition: box-shadow .28s ease, opacity .28s ease;
  }

  .site-header.scrolled {
    box-shadow: 0 4px 20px rgba(22, 25, 30, .07);
    opacity: .98;
  }

  .logo-area {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
  }

  .logo-box {
    display: flex;
    align-items: center;
    gap: 9px;
    font-weight: 900;
    font-size: 20px;
    letter-spacing: .02em;
    color: var(--color-ink);
  }

  .logo-keyword {
    line-height: 1.1;
    color: #22262B;
  }

  .logo-sub-mark {
    width: 10px;
    height: 10px;
    border-radius: 3px;
    background: var(--color-energy);
    box-shadow: 5px 0 0 rgba(16, 158, 148, .85), -5px 5px 0 rgba(242, 183, 4, .9);
    transform: rotate(10deg);
  }

  .main-nav {
    display: flex;
    align-items: center;
    gap: 34px;
  }

  .nav-link {
    position: relative;
    font-size: 15px;
    font-weight: 500;
    color: #3A424B;
    padding: 8px 0;
    transition: color .2s ease;
  }

  .nav-link:hover,
  .nav-link.active {
    color: var(--color-energy);
    font-weight: 700;
  }

  .nav-link.active::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 100%;
    height: 3px;
    border-radius: 99px;
    background: var(--color-energy);
  }

  .header-cta-main {
    background: var(--color-energy);
    color: #ffffff;
    font-size: 14px;
    font-weight: 700;
    border-radius: 12px;
    padding: 11px 20px;
    box-shadow: 0 6px 16px rgba(232, 93, 38, .2);
    transition: background .24s ease, box-shadow .24s ease, transform .18s ease;
  }

  .header-cta-main:hover {
    background: var(--color-energy-deep);
    box-shadow: 0 8px 22px rgba(188, 68, 20, .24);
  }

  .header-cta-main:active {
    transform: scale(.98);
  }

  .hamburger-btn {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid var(--color-line);
    border-radius: 10px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
    transition: border-color .2s ease;
  }

  .hamburger-btn span {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 2px;
    background: var(--color-ink);
    transition: transform .2s ease;
  }

  .hamburger-btn:hover {
    border-color: var(--color-energy);
  }

  /* Mobile drawer */
  .drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(22, 25, 30, .42);
    z-index: 64;
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
  }

  .drawer-overlay.show {
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: min(340px, 86vw);
    height: 100vh;
    background: var(--color-night);
    color: #ffffff;
    z-index: 70;
    transform: translateX(110%);
    transition: transform .32s ease, box-shadow .32s ease;
    box-shadow: -12px 0 30px rgba(22, 25, 30, .2);
    padding: 28px 26px;
    display: flex;
    flex-direction: column;
  }

  .mobile-drawer.open {
    transform: translateX(0);
  }

  .mobile-drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
    padding-bottom: 20px;
  }

  .mobile-brand {
    font-weight: 900;
    font-size: 18px;
    color: #fff;
    line-height: 1.2;
  }

  .mobile-close {
    width: 34px;
    height: 34px;
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 50%;
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: background .2s ease, border-color .2s ease;
  }

  .mobile-close:hover {
    background: rgba(255, 255, 255, .1);
    border-color: rgba(255, 255, 255, .5);
  }

  .mobile-nav {
    display: flex;
    flex-direction: column;
    margin-top: 28px;
    gap: 6px;
  }

  .mobile-nav a {
    color: #dfe5e9;
    font-size: 15px;
    font-weight: 500;
    padding: 12px 12px;
    border-radius: 10px;
    border: 1px solid transparent;
    transition: background .2s ease, color .2s ease;
  }

  .mobile-nav a:hover,
  .mobile-nav a.active {
    color: #fff;
    background: rgba(232, 93, 38, .18);
    border-color: rgba(232, 93, 38, .25);
  }

  .mobile-drawer-cta {
    margin-top: auto;
    background: var(--color-energy);
    color: #fff;
    padding: 14px 18px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 15px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background .2s ease;
  }

  .mobile-drawer-cta:hover {
    background: var(--color-energy-deep);
  }

  /* Category hero */
  .cat-hero {
    background-color: var(--color-night);
    background-image:
      linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
    background-size: 42px 42px;
    position: relative;
  }

  .cat-hero-inner {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
    gap: 66px;
    padding: 76px 0 84px;
  }

  .cat-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, .64);
    margin-bottom: 22px;
  }

  .cat-breadcrumb a {
    color: rgba(255, 255, 255, .88);
    transition: color .2s ease;
  }

  .cat-breadcrumb a:hover {
    color: var(--color-energy);
  }

  .cat-breadcrumb i {
    font-size: 10px;
    opacity: .65;
  }

  .cat-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .14);
    color: #f6f2ea;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .04em;
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 18px;
  }

  .cat-hero-title {
    color: #ffffff;
    font-size: clamp(34px, 4.2vw, 50px);
    font-weight: 900;
    line-height: 1.3;
    letter-spacing: .01em;
  }

  .cat-hero-title .suffix {
    color: #F5825A;
  }

  .cat-hero-desc {
    margin-top: 20px;
    color: rgba(255, 255, 255, .78);
    font-size: 16px;
    line-height: 1.95;
    max-width: 470px;
  }

  .cat-hero-tags {
    margin-top: 22px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    color: rgba(255, 255, 255, .88);
  }

  .cat-hero-tags span {
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .12);
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
  }

  .cat-hero-tags i {
    color: var(--color-amber);
    margin-right: 4px;
  }

  .cat-hero-media {
    border-radius: 22px;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255, 255, 255, .12);
    box-shadow: 0 16px 40px rgba(0, 0, 0, .2);
  }

  .cat-hero-media img {
    width: 100%;
    height: 286px;
    object-fit: cover;
    display: block;
  }

  .cat-hero-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(22, 25, 30, .5), transparent 48%, rgba(22, 25, 30, .08));
    pointer-events: none;
  }

  .cat-hero-media-tip {
    position: absolute;
    left: 18px;
    bottom: 16px;
    z-index: 2;
    background: rgba(22, 25, 30, .72);
    color: #fff;
    padding: 8px 14px;
    border-radius: 99px;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, .2);
    backdrop-filter: blur(3px);
  }

  .cat-hero-media-tip i {
    color: var(--color-amber);
    margin-right: 6px;
  }

  /* Intro content block */
  .intro-panel {
    background: var(--color-sand);
  }

  .intro-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    align-items: start;
    gap: 58px;
  }

  .intro-copy {
    font-size: 16px;
    color: var(--color-muted);
    line-height: 2;
  }

  .intro-copy strong {
    color: var(--color-ink);
    font-weight: 700;
  }

  .intro-highlight {
    border-left: 3px solid var(--color-energy);
    padding-left: 20px;
    font-weight: 700;
    color: var(--color-ink);
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 18px;
  }

  .intro-points {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .intro-points li {
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: 14px;
    padding: 16px 18px;
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-size: 14px;
    line-height: 1.75;
    color: var(--color-muted);
    box-shadow: 0 2px 8px rgba(22, 25, 30, .04);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  }

  .intro-points li:hover {
    transform: translateY(-3px);
    border-color: rgba(232, 93, 38, .3);
    box-shadow: var(--shadow-card);
  }

  .intro-points i {
    color: var(--color-energy);
    font-size: 16px;
    margin-top: 4px;
  }

  .intro-points strong {
    display: block;
    color: var(--color-ink);
    font-weight: 700;
  }

  /* Category card grid */
  .cat-card-section {
    background: #fff;
  }

  .cat-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 44px;
  }

  .cat-card {
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  }

  .cat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(232, 93, 38, .35);
  }

  .cat-card-img {
    position: relative;
    height: 176px;
    overflow: hidden;
    background: #e9e4db;
  }

  .cat-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
  }

  .cat-card:hover .cat-card-img img {
    transform: scale(1.045);
  }

  .cat-card-img::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(22, 25, 30, .1), transparent 45%, rgba(22, 25, 30, .28));
  }

  .cat-card-pill {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 1;
    background: rgba(22, 25, 30, .78);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 5px 11px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, .2);
    letter-spacing: .02em;
  }

  .cat-card-body {
    padding: 22px 22px 26px;
    display: flex;
    flex: 1;
    flex-direction: column;
  }

  .cat-card h3 {
    font-size: 19px;
    font-weight: 900;
    color: var(--color-ink);
    line-height: 1.4;
    margin-bottom: 10px;
  }

  .cat-card p {
    font-size: 14px;
    line-height: 1.9;
    color: var(--color-muted);
    flex: 1;
  }

  .cat-card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    color: var(--color-energy);
    font-size: 14px;
    font-weight: 700;
    transition: gap .2s ease, color .2s ease;
  }

  .cat-card-link i {
    font-size: 12px;
  }

  .cat-card-link:hover {
    gap: 12px;
    color: var(--color-energy-deep);
  }

  /* Checklist steps */
  .checklist-section {
    background: var(--color-sand);
    border-top: 1px solid rgba(228, 224, 216, .7);
    border-bottom: 1px solid rgba(228, 224, 216, .7);
  }

  .checklist-head {
    max-width: 760px;
    margin-bottom: 46px;
  }

  .checklist-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
    counter-reset: stepCounter;
  }

  .step-item {
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: 18px;
    padding: 24px 26px 26px 30px;
    display: flex;
    gap: 18px;
    box-shadow: var(--shadow-card);
    transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    position: relative;
    overflow: hidden;
  }

  .step-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: var(--color-energy);
    transform: scaleY(.2);
    transform-origin: bottom;
    transition: transform .3s ease;
  }

  .step-item:hover::before {
    transform: scaleY(1);
  }

  .step-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(232, 93, 38, .28);
  }

  .step-num {
    font-size: 28px;
    font-weight: 900;
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 2px var(--color-energy);
    font-style: italic;
    min-width: 56px;
  }

  .step-content h3 {
    font-size: 17px;
    font-weight: 800;
    color: var(--color-ink);
    margin-bottom: 8px;
  }

  .step-content p {
    font-size: 14px;
    color: var(--color-muted);
    line-height: 1.9;
  }

  .sixth-step {
    grid-column: 1 / -1;
    background: var(--color-night);
    border-color: transparent;
  }

  .sixth-step::before {
    background: var(--color-amber);
  }

  .sixth-step .step-content h3 {
    color: #fff;
  }

  .sixth-step .step-content p {
    color: rgba(255, 255, 255, .74);
  }

  .sixth-step .step-num {
    -webkit-text-stroke-color: #F5825A;
  }

  /* FAQ */
  .faq-section {
    background: #fff;
  }

  .faq-layout {
    display: grid;
    grid-template-columns: .9fr 1.6fr;
    gap: 60px;
    align-items: start;
  }

  .faq-left {
    position: sticky;
    top: 116px;
  }

  .faq-support-card {
    margin-top: 26px;
    background: var(--color-sand);
    border: 1px solid var(--color-line);
    border-radius: 18px;
    padding: 24px;
  }

  .faq-support-card strong {
    font-weight: 800;
    display: block;
    margin-bottom: 8px;
    font-size: 16px;
  }

  .faq-support-card a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-energy);
    font-weight: 700;
    font-size: 15px;
    margin-top: 10px;
  }

  .faq-list {
    border-top: 1px solid var(--color-line);
  }

  .faq-item {
    border-bottom: 1px solid var(--color-line);
  }

  .faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 22px 4px;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-ink);
    transition: color .2s ease;
  }

  .faq-question:hover {
    color: var(--color-energy);
  }

  .faq-question .q-idx {
    color: var(--color-energy);
    font-weight: 900;
    margin-right: 12px;
    font-size: 15px;
  }

  .faq-question .faq-icon {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 9px;
    border: 1px solid var(--color-line);
    color: var(--color-muted);
    transition: transform .3s ease, background .3s ease, color .3s ease, border-color .3s ease;
  }

  .faq-item.active .faq-icon {
    transform: rotate(45deg);
    background: var(--color-energy);
    border-color: var(--color-energy);
    color: #fff;
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease, opacity .35s ease;
    opacity: 0;
  }

  .faq-item.active .faq-answer {
    max-height: 260px;
    opacity: 1;
  }

  .faq-answer-inner {
    padding: 0 4px 24px 34px;
    color: var(--color-muted);
    font-size: 15px;
    line-height: 2;
  }

  /* CTA */
  .cta-section {
    background: var(--color-sand);
  }

  .cta-panel {
    background: var(--color-night);
    border-radius: 30px;
    padding: 70px 56px;
    text-align: center;
    position: relative;
    background-image:
      linear-gradient(rgba(255, 255, 255, .03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255, 255, 255, .03) 1px, transparent 1px);
    background-size: 36px 36px;
    overflow: hidden;
  }

  .cta-panel h2 {
    font-size: clamp(26px, 3.2vw, 36px);
    font-weight: 900;
    color: #fff;
    line-height: 1.35;
  }

  .cta-panel p {
    color: rgba(255, 255, 255, .72);
    font-size: 16px;
    margin-top: 14px;
    line-height: 1.9;
  }

  .cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--color-energy);
    color: #fff;
    font-weight: 800;
    font-size: 16px;
    padding: 16px 30px;
    border-radius: 14px;
    margin-top: 30px;
    transition: background .22s ease, transform .18s ease, box-shadow .22s ease;
    box-shadow: 0 10px 26px rgba(232, 93, 38, .28);
  }

  .cta-btn i {
    font-size: 14px;
  }

  .cta-btn:hover {
    background: var(--color-energy-deep);
    transform: translateY(-2px);
  }

  .cta-btn:active {
    transform: scale(.97);
  }

  .cta-tip {
    font-size: 13px;
    color: rgba(255, 255, 255, .45);
    margin-top: 16px;
    display: block;
  }

  /* Footer */
  .site-footer {
    background: var(--color-night);
    color: rgba(255, 255, 255, .78);
    padding: 72px 0 34px;
    font-size: 14px;
  }

  .footer-brand-name {
    color: #fff;
    font-size: 21px;
    font-weight: 900;
    letter-spacing: .02em;
    margin-bottom: 12px;
  }

  .footer-slogan {
    font-size: 14px;
    line-height: 2;
    color: rgba(255, 255, 255, .56);
    max-width: 300px;
  }

  .footer-col-title {
    color: #ffffff;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
  }

  .footer-link-list li + li {
    margin-top: 10px;
  }

  .footer-link-list a {
    color: rgba(255, 255, 255, .68);
    transition: color .2s ease, padding-left .2s ease;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 14px;
  }

  .footer-link-list a:hover {
    color: var(--color-energy);
    padding-left: 3px;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding-top: 26px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 52px;
    font-size: 13px;
    color: rgba(255, 255, 255, .48);
  }

  .footer-bottom .tech-note {
    font-size: 13px;
  }

  .footer-bottom i {
    margin-right: 4px;
    color: rgba(255, 255, 255, .4);
  }

  /* Scroll top */
  .scroll-top-btn {
    position: fixed;
    right: 26px;
    bottom: 30px;
    z-index: 45;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-night);
    border: 1px solid rgba(255, 255, 255, .2);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    transition: opacity .25s ease, transform .25s ease, background .25s ease;
  }

  .scroll-top-btn.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .scroll-top-btn:hover {
    background: var(--color-energy);
  }

  /* Responsive */
  @media screen and (max-width: 1023px) {
    .desktop-nav,
    .desktop-only {
      display: none !important;
    }

    .hamburger-btn {
      display: inline-flex;
    }

    .cat-hero-inner {
      grid-template-columns: 1fr;
      gap: 38px;
      padding: 56px 0 64px;
    }

    .cat-hero-media img {
      height: 260px;
    }

    .intro-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }

    .cat-card-grid {
      grid-template-columns: repeat(2, 1fr);
    }

    .checklist-list {
      grid-template-columns: 1fr;
    }

    .sixth-step {
      grid-column: auto;
    }

    .faq-layout {
      grid-template-columns: 1fr;
      gap: 24px;
    }

    .faq-left {
      position: static;
    }

    .cta-panel {
      padding: 52px 28px;
    }

    .section-pad {
      padding: 76px 0;
    }

    .section-pad-sm {
      padding: 60px 0;
    }

    .footer-grid {
      grid-template-columns: 1fr 1fr !important;
      gap: 30px !important;
    }
  }

  @media screen and (max-width: 640px) {
    .container-1200 {
      padding-left: 18px;
      padding-right: 18px;
    }

    .section-pad {
      padding: 58px 0;
    }

    .cat-hero-inner {
      padding-top: 38px;
    }

    .cat-hero-title {
      font-size: 36px;
      line-height: 1.3;
    }

    .cat-hero-desc {
      font-size: 15px;
    }

    .cat-hero-media img {
      height: 210px;
    }

    .cat-card-grid {
      grid-template-columns: 1fr;
      gap: 20px;
    }

    .cat-card-img {
      height: 190px;
    }

    .intro-points {
      grid-template-columns: 1fr;
    }

    .step-item {
      padding: 20px 18px;
      gap: 14px;
    }

    .step-num {
      font-size: 24px;
      min-width: 42px;
    }

    .cta-panel {
      padding: 44px 20px;
      border-radius: 22px;
    }

    .footer-grid {
      grid-template-columns: 1fr !important;
      gap: 24px !important;
    }

    .footer-bottom {
      flex-direction: column;
      align-items: center;
      text-align: center;
    }
  }