/* roulang page: index */
:root{
  --c-primary:#0E5F4C;
  --c-primary-600:#0A4A3B;
  --c-primary-100:#DCEBE5;
  --c-accent:#F25C1F;
  --c-accent-hover:#D94E15;
  --c-sub:#2E9E86;
  --c-highlight:#F2C339;
  --bg:#F4F6F3;
  --bg-alt:#E9EDE7;
  --surface:#FFFFFF;
  --ink:#14201C;
  --ink-2:#4A5A54;
  --ink-3:#84948E;
  --line:#DCE3DD;
  --dark:#0C1F1A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(12,31,26,.06);
  --sh-2:0 10px 28px rgba(12,31,26,.10);
  --sh-3:0 18px 48px rgba(12,31,26,.16);
  --container:1200px;
  --space-16:16px;
  --space-24:24px;
  --space-32:32px;
}

/* ===== reset / base ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--c-sub);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.4px;}
h1{font-size:42px;line-height:1.25;}
h2{font-size:29px;line-height:1.35;}
h3{font-size:20px;font-weight:600;line-height:1.5;}
p{margin:0 0 var(--space-24);}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:3px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
::selection{background:var(--c-primary-100);color:var(--c-primary-600);}

/* ===== layout ===== */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.grid-x{display:flex;flex-wrap:wrap;}
.grid-x > .cell{width:100%;}
.section{padding:92px 0;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--bg-alt);}
.section--plain{background:var(--surface);}
.section-head{margin-bottom:40px;}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.section-head h2{position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.22em;width:6px;height:1.05em;
  border-radius:var(--r-pill);background:var(--c-primary);
}
.section-sub{margin:10px 0 0;color:var(--ink-2);font-size:15.5px;line-height:1.75;max-width:720px;}
.link-more{font-size:14.5px;font-weight:600;color:var(--c-accent);display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:var(--c-accent-hover);}
.link-more i{transition:transform .22s ease;}
.link-more:hover i{transform:translateX(4px);}

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(242,92,31,.24);}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-primary);border:1.5px solid var(--c-primary);}
.btn-ghost:hover{background:rgba(14,95,76,.08);color:var(--c-primary-600);transform:translateY(-2px);}
.btn-ghost-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7);}
.btn-ghost-light:hover{background:#fff;color:var(--c-primary-600);border-color:#fff;transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}
.btn:focus-visible{outline:3px solid var(--c-primary);outline-offset:2px;}

/* ===== top bar ===== */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-stuck{box-shadow:var(--sh-1);}
.topbar{padding:12px 0;}
.topbar .grid-x{align-items:center;gap:18px;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.5px;}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:linear-gradient(150deg,var(--c-primary) 0%,var(--c-sub) 100%);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:17px;box-shadow:var(--sh-1);
}
.brand-text{white-space:nowrap;}
.brand-text .lite{color:var(--c-primary);}
.search-box{position:relative;flex:1 1 260px;max-width:420px;}
.search-box i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--ink-3);font-size:14px;}
.search-box input{
  width:100%;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--bg);padding:0 18px 0 40px;font-size:14.5px;color:var(--ink);
  transition:border-color .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.search-box input::placeholder{color:var(--ink-3);}
.search-box input:focus{outline:none;background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(14,95,76,.12);}
.topbar-cta{margin-left:auto;}

/* ===== channel tabs ===== */
.channel-row{border-top:1px solid var(--line);background:#fff;}
.channel-scroll{
  display:flex;gap:10px;padding:10px 0;overflow-x:auto;
  scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;gap:6px;
  height:36px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--bg);border:1px solid var(--line);
  color:var(--ink-2);font-size:14.5px;font-weight:600;white-space:nowrap;
  transition:all .22s ease;
}
.channel:hover{border-color:var(--c-primary);color:var(--c-primary);background:#fff;}
.channel.is-active{background:var(--c-accent);border-color:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(242,92,31,.26);}
.channel.is-active:hover{background:var(--c-accent-hover);border-color:var(--c-accent-hover);color:#fff;}

/* ===== hero ===== */
.hero{
  position:relative;overflow:hidden;
  background:var(--bg);
  background-image:radial-gradient(circle at 18% 22%,rgba(14,95,76,.10) 0%,rgba(14,95,76,0) 58%);
  padding:72px 0 84px;
}
.hero-inner{display:flex;flex-wrap:wrap;align-items:center;gap:48px;}
.hero-copy{flex:1 1 480px;min-width:280px;}
.hero-visual{flex:1 1 420px;min-width:280px;position:relative;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--c-primary-100);color:var(--c-primary-600);
  font-size:13px;font-weight:600;margin-bottom:22px;
}
.hero h1{font-size:43px;line-height:1.24;margin-bottom:20px;}
.hero h1 .hl{color:var(--c-primary);}
.hero-sub{font-size:18px;color:var(--ink-2);line-height:1.85;max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:12px 28px;}
.hero-trust span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);}
.hero-trust i{color:var(--c-primary);font-size:14px;}
.hero-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);}
.hero-figure img{width:100%;height:auto;object-fit:cover;}
.hero-stat{
  position:absolute;left:-12px;bottom:22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-2);padding:14px 20px;
}
.hero-stat strong{display:block;font-size:24px;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2;}
.hero-stat span{font-size:13px;color:var(--ink-3);}

/* ===== selling points ===== */
.points-grid{display:flex;flex-wrap:wrap;gap:26px;}
.point{flex:1 1 300px;border-radius:var(--r-lg);padding:34px 30px;border:1px solid var(--line);background:var(--surface);box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease;}
.point:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.point:nth-child(2){margin-top:24px;}
.point:nth-child(3){margin-top:8px;}
.point-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-100);color:var(--c-primary);font-size:18px;margin-bottom:20px;
}
.point h3{font-size:20px;margin-bottom:12px;}
.point p{font-size:15px;color:var(--ink-2);line-height:1.75;margin:0;}
.point--dark{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.point--dark .point-icon{background:rgba(255,255,255,.16);color:#fff;}
.point--dark h3{color:#fff;}
.point--dark p{color:rgba(255,255,255,.82);}

/* ===== scene ===== */
.scene-row{display:flex;flex-wrap:wrap;align-items:center;gap:52px;margin-bottom:76px;}
.scene-row:last-child{margin-bottom:0;}
.scene-row.reverse{flex-direction:row-reverse;}
.scene-media{flex:1 1 420px;min-width:280px;}
.scene-media img{width:100%;border-radius:var(--r-md);box-shadow:var(--sh-1);}
.scene-copy{flex:1 1 400px;min-width:280px;}
.scene-copy h3{font-size:23px;margin-bottom:16px;}
.scene-copy > p{color:var(--ink-2);font-size:15.5px;line-height:1.8;}
.scene-list{margin:0 0 22px;}
.scene-list li{
  position:relative;padding-left:18px;margin-bottom:12px;
  font-size:15px;color:var(--ink-2);line-height:1.7;
}
.scene-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:4px;height:14px;
  border-radius:var(--r-pill);background:var(--c-primary);
}

/* ===== proof ===== */
.proof{background:var(--c-primary-100);}
.proof-grid{display:flex;flex-wrap:wrap;gap:22px;}
.proof-item{
  flex:1 1 220px;background:#fff;border:1px solid rgba(14,95,76,.14);
  border-radius:var(--r-md);padding:28px 24px;text-align:center;
  box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease;
}
.proof-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.proof-item strong{display:block;font-size:34px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2;}
.proof-item span{display:block;margin-top:8px;font-size:14px;color:var(--ink-2);}
.proof-quote{
  margin-top:36px;background:#fff;border-radius:var(--r-lg);border:1px solid rgba(14,95,76,.14);
  padding:30px 34px;box-shadow:var(--sh-1);
}
.proof-quote p{font-size:16px;color:var(--ink-2);line-height:1.85;margin:0 0 14px;}
.proof-quote cite{font-style:normal;font-size:13.5px;color:var(--ink-3);}

/* ===== news list (CMS) ===== */
.news-grid{display:flex;flex-wrap:wrap;gap:22px;}
.news-card{
  display:flex;flex-direction:column;flex:1 1 320px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);color:var(--ink);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--c-primary-100);color:var(--ink);}
.news-thumb{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding:20px 22px 18px;display:flex;flex-direction:column;flex:1;}
.news-tag{
  align-self:flex-start;display:inline-block;height:24px;line-height:24px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--c-primary-100);color:var(--c-primary-600);
  font-size:12.5px;font-weight:600;margin-bottom:12px;
}
.news-title{
  font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--c-primary);}
.news-desc{
  font-size:14px;color:var(--ink-2);line-height:1.7;margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;
}
.news-meta i{color:var(--c-accent);transition:transform .22s ease;}
.news-card:hover .news-meta i{transform:translateX(4px);}
.news-empty{
  width:100%;text-align:center;padding:64px 24px;background:var(--surface);
  border:1px dashed var(--line);border-radius:var(--r-lg);color:var(--ink-2);
}
.news-empty i{font-size:30px;color:var(--c-primary);margin-bottom:16px;display:block;}
.news-empty p{font-size:15px;margin-bottom:20px;}

/* ===== FAQ ===== */
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  padding:22px 56px 22px 22px;font-size:18px;font-weight:600;color:var(--ink);
  transition:color .22s ease,background-color .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:24px;width:3px;height:22px;border-radius:var(--r-pill);
  background:transparent;transition:background-color .22s ease;
}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;
  position:absolute;right:24px;top:50%;transform:translateY(-50%);color:var(--ink-3);
  transition:transform .24s ease,color .24s ease;
}
.faq-item[open] summary{color:var(--c-primary);background:rgba(14,95,76,.04);}
.faq-item[open] summary::before{background:var(--c-primary);}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg);color:var(--c-primary);}
.faq-item summary:hover{color:var(--c-primary);}
.faq-answer{padding:0 26px 24px 26px;font-size:15.5px;color:var(--ink-2);line-height:1.85;}
.faq-answer p:last-child{margin-bottom:0;}

/* ===== CTA band ===== */
.cta-band{background:var(--c-primary-600);color:#fff;padding:76px 0;}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.82);font-size:16px;max-width:640px;margin-bottom:28px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ===== footer ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:flex;flex-wrap:wrap;gap:40px;padding-bottom:44px;}
.footer-col{flex:1 1 200px;min-width:160px;}
.footer-col h4{color:#fff;font-size:15.5px;font-weight:600;margin-bottom:18px;letter-spacing:.5px;}
.footer-brand{flex:1 1 300px;min-width:240px;}
.footer-brand .brand{color:#fff;font-size:17px;margin-bottom:16px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin-bottom:0;max-width:340px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-links a:hover{color:#9FD8C7;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;margin-bottom:12px;color:rgba(255,255,255,.72);}
.footer-contact i{color:var(--c-sub);margin-top:5px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ===== mobile sticky bar ===== */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  height:60px;background:var(--dark);align-items:center;justify-content:space-between;
  padding:0 16px;gap:12px;box-shadow:0 -6px 20px rgba(12,31,26,.22);
  transition:opacity .25s ease,transform .25s ease;
}
.mobile-bar span{color:rgba(255,255,255,.86);font-size:14px;font-weight:600;}
.mobile-bar.is-hidden{opacity:0;transform:translateY(100%);pointer-events:none;}

/* ===== desktop floating card ===== */
.float-card{
  position:fixed;right:28px;bottom:28px;z-index:90;width:290px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-3);padding:22px;opacity:0;transform:translateY(16px);
  pointer-events:none;transition:opacity .28s ease,transform .28s ease;
}
.float-card.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-card p{font-size:14.5px;color:var(--ink-2);line-height:1.7;margin:0 0 16px;}
.float-card .btn{width:100%;}
.float-close{
  position:absolute;right:12px;top:12px;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:var(--ink-3);font-size:13px;
  transition:background-color .22s ease,color .22s ease;
}
.float-close:hover{background:var(--bg-alt);color:var(--ink);}

/* ===== responsive ===== */
@media screen and (max-width:1279px){
  .container{padding:0 24px;}
  .hero h1{font-size:38px;}
}
@media screen and (max-width:1023px){
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .hero{padding:56px 0 64px;}
  .hero-inner{gap:36px;}
  .hero h1{font-size:34px;}
  .search-box{max-width:280px;}
  .scene-row{gap:32px;margin-bottom:60px;}
}
@media screen and (max-width:767px){
  body{font-size:16px;padding-bottom:76px;}
  .container{padding:0 16px;}
  .section{padding:52px 0;}
  .section--tight{padding:44px 0;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .topbar .grid-x{gap:12px;}
  .search-box{display:none;}
  .brand-text{font-size:16px;}
  .brand-text .lite{display:none;}
  .hero{padding:40px 0 48px;}
  .hero h1{font-size:27px;line-height:1.32;}
  .hero-sub{font-size:16px;}
  .hero-inner{gap:28px;}
  .hero-visual{order:-1;}
  .hero-stat{left:12px;bottom:12px;padding:10px 16px;}
  .hero-stat strong{font-size:20px;}
  .point{padding:26px 22px;}
  .point:nth-child(2),.point:nth-child(3){margin-top:0;}
  .proof-item strong{font-size:28px;}
  .proof-quote{padding:24px 22px;}
  .news-grid{gap:16px;}
  .faq-item summary{font-size:16.5px;padding:18px 48px 18px 18px;}
  .faq-item summary::after{right:18px;}
  .faq-answer{padding:0 20px 20px;}
  .cta-band{padding:52px 0;}
  .cta-band h2{font-size:23px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{gap:30px;padding-bottom:32px;}
  .footer-col{flex:1 1 100%;}
  .mobile-bar{display:flex;}
  .float-card{display:none;}
  .section-head--row{align-items:flex-start;}
}
@media screen and (max-width:519px){
  .hero h1{font-size:25px;}
  .hero-actions .btn{width:100%;}
  .hero-trust{gap:10px 18px;}
  .news-body{padding:16px 18px 16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0E5F4C;
  --c-primary-600:#0A4A3B;
  --c-primary-100:#DCEBE5;
  --c-accent:#F25C1F;
  --c-accent-hover:#D94E15;
  --c-sub:#2E9E86;
  --c-highlight:#F2C339;
  --bg:#F4F6F3;
  --bg-alt:#E9EDE7;
  --surface:#FFFFFF;
  --ink:#14201C;
  --ink-2:#4A5A54;
  --ink-3:#84948E;
  --line:#DCE3DD;
  --dark:#0C1F1A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(12,31,26,.06);
  --sh-2:0 10px 28px rgba(12,31,26,.10);
  --sh-3:0 18px 48px rgba(12,31,26,.16);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body.has-mobile-bar{padding-bottom:76px;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease;}
a:hover{color:var(--c-primary-600);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 24px;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:.4px;}
h1{font-size:42px;line-height:1.25;}
h2{font-size:29px;line-height:1.35;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
button,input,select,textarea{font-family:inherit;font-size:100%;}
input[type="search"]{-webkit-appearance:none;appearance:none;}
:focus-visible{outline:3px solid var(--c-primary);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;cursor:pointer;border-radius:var(--r-pill);
  font-weight:600;letter-spacing:.3px;text-align:center;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--c-accent);color:#fff;height:48px;padding:0 26px;box-shadow:0 4px 14px rgba(242,92,31,.24);}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-outline{background:transparent;border:1.5px solid var(--c-primary);color:var(--c-primary);height:48px;padding:0 24px;}
.btn-outline:hover{background:rgba(14,95,76,.08);color:var(--c-primary-600);}
.btn-ghost{background:transparent;border:1.5px solid rgba(255,255,255,.75);color:#fff;height:48px;padding:0 24px;}
.btn-ghost:hover{background:#fff;color:var(--c-primary-600);border-color:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}
.btn-lg{height:54px;padding:0 34px;font-size:17px;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--c-primary);border-bottom:2px solid transparent;}
.link-arrow:hover{border-bottom-color:var(--c-primary);color:var(--c-primary-600);}
.link-arrow i{font-size:13px;transition:transform .22s ease;}
.link-arrow:hover i{transform:translateX(4px);}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:25px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.2px;
  background:var(--c-primary-100);color:var(--c-primary-600);
}
.badge-accent{background:rgba(242,92,31,.14);color:var(--c-accent-hover);}
.badge-dark{background:var(--c-primary);color:#fff;}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.topbar{padding:14px 0;}
.topbar .grid-x{align-items:center;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--ink);letter-spacing:.4px;}
.brand:hover{color:var(--c-primary-600);}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 38px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary);color:#fff;font-size:17px;
  box-shadow:0 4px 12px rgba(14,95,76,.28);
}
.brand-text .lite{color:var(--c-accent);}
.search-box{position:relative;display:flex;align-items:center;margin:10px 0;}
.search-box i{position:absolute;left:16px;color:var(--ink-3);font-size:14px;pointer-events:none;}
.search-box input{
  width:100%;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--bg);
  padding:0 16px 0 40px;color:var(--ink);font-size:14.5px;
  transition:border-color .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.search-box input::placeholder{color:var(--ink-3);}
.search-box input:focus{
  outline:none;background:#fff;border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(14,95,76,.12);
}
.topbar-cta{margin:10px 0;}
.channel-row{background:var(--surface);border-top:1px solid var(--line);}
.channel-scroll{
  display:flex;gap:10px;overflow-x:auto;padding:12px 0;
  scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:36px;padding:0 18px;
  border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--bg);color:var(--ink-2);font-size:14.5px;font-weight:600;white-space:nowrap;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.channel:hover{border-color:var(--c-primary);color:var(--c-primary);background:#fff;transform:translateY(-1px);}
.channel.is-active{background:var(--c-accent);border-color:var(--c-accent);color:#fff;}
.channel.is-active:hover{background:var(--c-accent-hover);border-color:var(--c-accent-hover);color:#fff;}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13.5px;color:var(--ink-3);}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:var(--line);}
.crumb .now{color:var(--ink-2);font-weight:600;}

/* ============ 首屏 ============ */
.page-hero{
  position:relative;overflow:hidden;
  background-color:var(--bg);
  background-image:radial-gradient(720px 420px at 12% 8%,rgba(14,95,76,.10),transparent 62%),
                   linear-gradient(180deg,rgba(244,246,243,.96),rgba(244,246,243,.99)),
                   url('/assets/images/backpic/back-2.png');
  background-size:auto,auto,cover;
  background-position:center,center,center right;
  padding:72px 0 64px;
  border-bottom:1px solid var(--line);
}
.page-hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:center;}
.page-hero h1{max-width:15em;}
.page-hero .lede{margin-top:20px;font-size:17px;line-height:1.9;color:var(--ink-2);max-width:34em;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:32px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line);}
.hero-metrics .m-num{font-size:30px;font-weight:700;color:var(--c-primary);line-height:1.2;}
.hero-metrics .m-lab{font-size:13.5px;color:var(--ink-3);margin-top:2px;}
.hero-figure{position:relative;}
.hero-figure img{width:100%;border-radius:var(--r-lg);box-shadow:var(--sh-2);object-fit:cover;}
.hero-chip{
  position:absolute;left:-18px;bottom:26px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-2);padding:14px 18px;display:flex;align-items:center;gap:12px;
}
.hero-chip i{color:var(--c-accent);font-size:20px;}
.hero-chip span{font-size:14px;font-weight:600;color:var(--ink-2);}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}
.section-white{background:var(--surface);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--c-sub);letter-spacing:.6px;margin-bottom:14px;}
.section-head .eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--c-primary);}
.section-head h2{margin-bottom:16px;}
.section-head p{margin:0;color:var(--ink-2);font-size:16.5px;}

/* ============ 图文交错 ============ */
.zig{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center;padding:44px 0;}
.zig + .zig{border-top:1px solid var(--line);}
.zig.reverse .zig-media{order:2;}
.zig.reverse .zig-body{order:1;}
.zig-media{position:relative;}
.zig-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md);box-shadow:var(--sh-1);}
.zig-media .fig-tag{
  position:absolute;top:14px;left:14px;
  background:rgba(12,31,26,.78);color:#fff;font-size:12.5px;font-weight:600;
  padding:5px 12px;border-radius:var(--r-pill);
}
.zig-body h3{margin-bottom:14px;}
.zig-body p{color:var(--ink-2);margin-bottom:20px;}
.point-list{display:grid;gap:12px;margin-bottom:24px;}
.point-list li{position:relative;padding-left:16px;font-size:15.5px;color:var(--ink-2);line-height:1.75;}
.point-list li::before{content:"";position:absolute;left:0;top:.62em;width:4px;height:14px;border-radius:2px;background:var(--c-primary);}
.point-list li strong{color:var(--ink);font-weight:600;}

/* ============ 步骤条 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 22px;box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step .s-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:var(--r-pill);
  background:var(--c-primary-100);color:var(--c-primary-600);
  font-weight:700;font-size:15px;margin-bottom:16px;
}
.step h3{font-size:17.5px;margin-bottom:10px;}
.step p{font-size:14.5px;line-height:1.75;color:var(--ink-2);margin:0;}

/* ============ 提示条 ============ */
.notice{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--c-primary-100);
  border-left:4px solid var(--c-primary);
  border-radius:var(--r-sm);
  padding:20px 22px;
}
.notice i{color:var(--c-primary);font-size:19px;margin-top:3px;}
.notice p{margin:0;font-size:15px;line-height:1.8;color:var(--c-primary-600);}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  display:flex;align-items:center;gap:14px;width:100%;
  padding:22px 0;cursor:pointer;list-style:none;
  font-size:18px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .22s ease;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q::before{
  content:"";width:3px;height:20px;border-radius:2px;
  background:var(--line);flex:0 0 3px;transition:background-color .22s ease;
}
.faq-q .faq-ico{margin-left:auto;color:var(--ink-3);font-size:14px;transition:transform .24s ease;}
.faq-item[open] .faq-q{color:var(--c-primary);}
.faq-item[open] .faq-q::before{background:var(--c-primary);}
.faq-item[open] .faq-ico{transform:rotate(180deg);color:var(--c-primary);}
.faq-a{padding:0 0 24px 17px;font-size:15.5px;line-height:1.9;color:var(--ink-2);max-width:44em;}

/* ============ CTA 深底区 ============ */
.cta-band{background:var(--dark);color:#fff;padding:76px 0;position:relative;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,158,134,.30),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.6fr);gap:40px;align-items:center;}
.cta-band h2{color:#fff;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.76);margin:0;max-width:36em;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:66px 0 26px;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:18px;letter-spacing:.6px;}
.footer-brand .brand{color:#fff;font-size:16.5px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--c-primary);}
.footer-brand p{color:rgba(255,255,255,.66);font-size:14px;line-height:1.85;margin:0;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:rgba(255,255,255,.72);border-bottom:2px solid transparent;padding-bottom:1px;}
.footer-links a:hover{color:var(--c-primary-100);border-bottom-color:var(--c-primary-100);}
.footer-contact li{display:flex;gap:10px;margin-bottom:12px;color:rgba(255,255,255,.72);}
.footer-contact i{color:var(--c-sub);margin-top:4px;}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 移动底部转化条 ============ */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:var(--dark);border-top:1px solid rgba(255,255,255,.12);
  height:60px;display:none;align-items:center;justify-content:space-between;
  padding:0 16px;gap:12px;
  transition:opacity .3s ease,transform .3s ease;
}
.mobile-bar .mb-text{color:rgba(255,255,255,.82);font-size:13.5px;font-weight:600;}
.mobile-bar.is-hidden{opacity:0;transform:translateY(100%);pointer-events:none;}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  h1{font-size:34px;}
  h2{font-size:26px;}
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .page-hero{padding:56px 0 52px;}
  .page-hero-grid{grid-template-columns:1fr;gap:40px;}
  .page-hero h1{max-width:none;}
  .hero-figure{order:-1;}
  .zig{grid-template-columns:1fr;gap:32px;padding:36px 0;}
  .zig.reverse .zig-media{order:1;}
  .zig.reverse .zig-body{order:2;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px;}
  .hero-chip{left:16px;bottom:16px;}
}
@media screen and (max-width:767px){
  body{font-size:16px;line-height:1.85;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .container{padding:0 16px;}
  .section{padding:50px 0;}
  .page-hero{padding:42px 0 44px;}
  .search-box{margin:12px 0 4px;}
  .topbar-cta{margin:4px 0 12px;text-align:left !important;}
  .steps{grid-template-columns:1fr;}
  .hero-metrics{gap:22px;}
  .hero-metrics .m-num{font-size:25px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .mobile-bar{display:flex;}
  .cta-actions .btn{width:100%;}
  .hero-chip{position:static;margin-top:16px;left:auto;bottom:auto;}
}
@media screen and (max-width:519px){
  .brand{font-size:16px;}
  .brand-mark{width:34px;height:34px;flex-basis:34px;font-size:15px;}
  .hero-actions .btn{width:100%;}
  .faq-q{font-size:16.5px;padding:18px 0;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#0E5F4C;
  --c-primary-600:#0A4A3B;
  --c-primary-100:#DCEBE5;
  --c-accent:#F25C1F;
  --c-accent-hover:#D94E15;
  --c-sub:#2E9E86;
  --c-highlight:#F2C339;
  --bg:#F4F6F3;
  --bg-alt:#E9EDE7;
  --surface:#FFFFFF;
  --ink:#14201C;
  --ink-2:#4A5A54;
  --ink-3:#84948E;
  --line:#DCE3DD;
  --dark:#0C1F1A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(12,31,26,.06);
  --sh-2:0 10px 28px rgba(12,31,26,.10);
  --sh-3:0 18px 48px rgba(12,31,26,.16);
  --container:1200px;
  --ease:.24s ease;
}

/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  font-weight:400;
  letter-spacing:.2px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--c-sub);}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.35;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid var(--c-primary);outline-offset:2px;}
::selection{background:var(--c-primary-100);color:var(--c-primary-600);}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.grid-x{display:flex;flex-wrap:wrap;margin-left:-16px;margin-right:-16px;}
.grid-x > .cell{padding-left:16px;padding-right:16px;}
.align-middle{align-items:center;}

/* ============ 通用按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:16px;
  font-weight:600;
  line-height:1;
  letter-spacing:.3px;
  border:1.5px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform var(--ease),background-color var(--ease),box-shadow var(--ease),color var(--ease),border-color var(--ease);
}
.btn i{font-size:15px;}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 4px 14px rgba(242,92,31,.22);}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:rgba(14,95,76,.08);color:var(--c-primary-600);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-invert{background:transparent;border-color:#fff;color:#fff;}
.btn-invert:hover{background:#fff;color:var(--c-primary-600);}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  font-weight:600;
  line-height:1;
  background:var(--c-primary-100);
  color:var(--c-primary-600);
  white-space:nowrap;
}
.badge-accent{background:var(--c-accent);color:#fff;}
.badge-soft{background:var(--bg-alt);color:var(--ink-2);}
.badge-highlight{background:var(--c-highlight);color:#5A4600;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--surface);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.topbar{
  border-bottom:1px solid var(--line);
  padding:14px 0;
  background:var(--surface);
}
.topbar .grid-x{align-items:center;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.4px;
}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:38px;
  height:38px;
  border-radius:11px;
  background:var(--c-primary);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:17px;
  flex:0 0 auto;
  box-shadow:0 6px 16px rgba(14,95,76,.22);
}
.brand-text .lite{color:var(--c-sub);font-weight:600;}
.search-box{
  position:relative;
  display:flex;
  align-items:center;
  width:100%;
  height:40px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:var(--bg);
  transition:border-color var(--ease),box-shadow var(--ease),background-color var(--ease);
}
.search-box i{color:var(--ink-3);font-size:14px;margin-right:10px;}
.search-box input{
  flex:1;
  height:100%;
  border:0;
  background:transparent;
  outline:none;
  font-size:14.5px;
  color:var(--ink);
}
.search-box input::placeholder{color:var(--ink-3);}
.search-box:focus-within{
  background:var(--surface);
  border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(14,95,76,.10);
}
.topbar-cta{display:flex;justify-content:flex-end;align-items:center;gap:12px;}

/* 频道 Tabs 行 */
.channel-row{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  padding:10px 0;
}
.channel-scroll{
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding-bottom:2px;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel{
  flex:0 0 auto;
  scroll-snap-align:start;
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 18px;
  border-radius:var(--r-pill);
  background:var(--bg-alt);
  color:var(--ink-2);
  font-size:14.5px;
  font-weight:600;
  border:1px solid transparent;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease);
}
.channel:hover{background:var(--c-primary-100);color:var(--c-primary-600);border-color:var(--c-primary);}
.channel.is-active{background:var(--c-accent);color:#fff;border-color:var(--c-accent);}
.channel.is-active:hover{background:var(--c-accent-hover);color:#fff;}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:24px 0 0;
  font-size:14px;
  color:var(--ink-3);
  line-height:1.6;
}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{
  color:var(--ink-2);
  max-width:520px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ============ 文章主体 ============ */
.article-wrap{padding:28px 0 72px;}
.article-main{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:44px 48px 40px;
}
.article-head{border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:30px;}
.article-head .badge{margin-bottom:16px;}
.article-title{
  font-size:32px;
  line-height:1.4;
  letter-spacing:.4px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:18px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:20px;
  font-size:13px;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--c-sub);font-size:13px;}

/* ============ 正文排版 ============ */
.article-body{
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  word-break:break-word;
}
.article-body > * + *{margin-top:26px;}
.article-body p{margin:0;color:var(--ink);}
.article-body h2{
  position:relative;
  font-size:24px;
  line-height:1.45;
  font-weight:700;
  color:var(--ink);
  margin-top:52px;
  padding-left:16px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--c-primary);
}
.article-body h3{
  font-size:20px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink);
  margin-top:36px;
}
.article-body h4{
  font-size:17.5px;
  font-weight:600;
  color:var(--c-primary-600);
  margin-top:28px;
}
.article-body a{
  color:var(--c-primary);
  border-bottom:1px solid rgba(14,95,76,.35);
}
.article-body a:hover{color:var(--c-sub);border-bottom-color:var(--c-sub);}
.article-body strong{font-weight:700;color:var(--c-primary-600);}
.article-body ul,.article-body ol{margin-top:20px;padding-left:1.4em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:10px;line-height:1.85;}
.article-body li::marker{color:var(--c-sub);}
.article-body blockquote{
  margin:30px 0;
  padding:20px 24px;
  background:var(--c-primary-100);
  border-left:4px solid var(--c-primary);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--c-primary-600);
  font-size:16.5px;
  line-height:1.85;
}
.article-body blockquote p{color:inherit;}
.article-body img{
  width:100%;
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  margin:30px auto;
}
.article-body figure{margin:30px 0;}
.article-body figcaption{
  text-align:center;
  font-size:13px;
  color:var(--ink-3);
  margin-top:10px;
  line-height:1.7;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  font-size:15px;
  margin:28px 0;
  font-variant-numeric:tabular-nums;
}
.article-body th,.article-body td{
  border:1px solid var(--line);
  padding:11px 14px;
  text-align:left;
  line-height:1.7;
}
.article-body th{background:var(--bg-alt);font-weight:600;color:var(--c-primary-600);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0;}

/* 无内容空态 */
.article-empty{
  text-align:center;
  padding:56px 24px;
  background:var(--bg);
  border:1px dashed var(--line);
  border-radius:var(--r-md);
}
.article-empty i{font-size:36px;color:var(--ink-3);margin-bottom:16px;display:block;}
.article-empty p{font-size:16px;color:var(--ink-2);margin-bottom:22px;}

/* ============ 标签行 / 文末操作 ============ */
.article-tags{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:44px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.article-tags .tag-label{font-size:13.5px;color:var(--ink-3);margin-right:2px;}
.article-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
  margin-top:28px;
}
.article-actions .link-back{font-size:14.5px;color:var(--ink-2);}
.article-actions .link-back:hover{color:var(--c-primary);}

/* ============ 侧栏 ============ */
.article-side{padding-top:4px;}
.side-sticky{position:sticky;top:112px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  padding:22px 22px 20px;
}
.side-card h3{
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-card h3 i{color:var(--c-primary);font-size:14px;}
.toc-list li{margin-bottom:12px;line-height:1.6;}
.toc-list li:last-child{margin-bottom:0;}
.toc-list a{
  display:flex;
  gap:10px;
  font-size:14.5px;
  color:var(--ink-2);
  line-height:1.6;
}
.toc-list a:hover{color:var(--c-primary);}
.toc-list .num{
  flex:0 0 auto;
  width:20px;
  height:20px;
  margin-top:3px;
  border-radius:50%;
  background:var(--c-primary-100);
  color:var(--c-primary-600);
  font-size:12px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-variant-numeric:tabular-nums;
}
.side-links li{border-bottom:1px dashed var(--line);}
.side-links li:last-child{border-bottom:0;}
.side-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:11px 0;
  font-size:14.5px;
  color:var(--ink-2);
}
.side-links a:hover{color:var(--c-primary);}
.side-links a i{font-size:12px;color:var(--ink-3);}
.side-note{
  background:var(--c-primary-100);
  border:0;
  color:var(--c-primary-600);
  font-size:14px;
  line-height:1.75;
}
.side-note h3{color:var(--c-primary-600);}
.side-note h3 i{color:var(--c-primary);}

/* ============ 相关推荐 ============ */
.related-section{padding:76px 0 0;}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px;
  margin-bottom:28px;
}
.section-head h2{font-size:28px;line-height:1.35;}
.section-head .sub{font-size:14.5px;color:var(--ink-3);margin-top:6px;}
.section-head .more{font-size:14.5px;font-weight:600;color:var(--c-primary);}
.section-head .more:hover{color:var(--c-accent);}
.card-grid{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px;}
.card-grid > .cell{padding-left:12px;padding-right:12px;margin-bottom:24px;}
.post-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.post-thumb{
  position:relative;
  width:100%;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--bg-alt);
}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1;}
.post-body .badge{align-self:flex-start;margin-bottom:12px;}
.post-title{
  font-size:17px;
  font-weight:600;
  line-height:1.55;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:10px;
}
.post-card:hover .post-title{color:var(--c-primary-600);}
.post-desc{
  font-size:14px;
  line-height:1.7;
  color:var(--ink-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:16px;
}
.post-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--ink-3);
  padding-top:14px;
  border-top:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.post-meta i{color:var(--c-accent);transition:transform var(--ease);}
.post-card:hover .post-meta i{transform:translateX(4px);}

/* ============ FAQ ============ */
.faq-section{padding:76px 0 0;}
.faq-list{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:20px;
  padding:22px 28px;
  text-align:left;
  font-size:17.5px;
  font-weight:600;
  line-height:1.6;
  color:var(--ink);
  transition:color var(--ease),background-color var(--ease);
}
.faq-q:hover{color:var(--c-primary);background:rgba(14,95,76,.03);}
.faq-q i{flex:0 0 auto;margin-top:6px;font-size:14px;color:var(--ink-3);transition:transform var(--ease),color var(--ease);}
.faq-item.is-open .faq-q{color:var(--c-primary);}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--c-primary);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s ease;
}
.faq-a-inner{
  padding:0 28px 24px 28px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--ink-2);
  border-left:3px solid transparent;
}
.faq-item.is-open .faq-a-inner{border-left-color:var(--c-primary);}

/* ============ 深色 CTA 区 ============ */
.cta-band{
  margin-top:84px;
  background:var(--c-primary);
  background-image:radial-gradient(120% 100% at 85% 10%,rgba(255,255,255,.14),rgba(255,255,255,0) 62%);
  border-radius:var(--r-lg);
  padding:56px 48px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.cta-band h2{
  color:#fff;
  font-size:28px;
  line-height:1.4;
  margin-bottom:10px;
}
.cta-band p{color:rgba(255,255,255,.82);font-size:15.5px;line-height:1.8;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding:64px 0 32px;
}
.footer-grid{display:flex;flex-wrap:wrap;margin-left:-16px;margin-right:-16px;}
.footer-col{
  padding:0 16px;
  flex:0 0 25%;
  max-width:25%;
  margin-bottom:32px;
}
.footer-brand{flex:0 0 32%;max-width:32%;}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);box-shadow:none;color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px;}
.footer-col h4{
  font-size:15.5px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:.4px;
}
.footer-links li{margin-bottom:12px;}
.footer-links a{
  font-size:14px;
  color:rgba(255,255,255,.72);
  border-bottom:2px solid transparent;
  padding-bottom:2px;
  transition:color var(--ease),border-color var(--ease);
}
.footer-links a:hover{color:var(--c-highlight);border-bottom-color:var(--c-highlight);}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.72);
  margin-bottom:14px;
  line-height:1.7;
}
.footer-contact i{color:var(--c-sub);margin-top:5px;font-size:13px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:16px;
  padding-top:24px;
  font-size:13px;
  color:rgba(255,255,255,.5);
  font-variant-numeric:tabular-nums;
}

/* ============ 底部转化条 / 浮动卡 ============ */
.bottom-bar{
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:80;
  display:none;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  height:60px;
  padding:0 16px;
  background:var(--dark);
  border-top:1px solid rgba(255,255,255,.1);
  transform:translateY(110%);
  transition:transform .3s ease,opacity .3s ease;
  opacity:0;
}
.bottom-bar.is-show{transform:translateY(0);opacity:1;}
.bottom-bar-text{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:#fff;
  font-weight:600;
}
.bottom-bar-text i{color:var(--c-sub);}
.float-card{
  position:fixed;
  right:28px;
  bottom:28px;
  z-index:80;
  width:280px;
  display:none;
  flex-direction:column;
  gap:8px;
  padding:20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-3);
  transform:translateY(14px);
  opacity:0;
  pointer-events:none;
  transition:transform .3s ease,opacity .3s ease;
}
.float-card.is-show{transform:translateY(0);opacity:1;pointer-events:auto;}
.float-card strong{font-size:15.5px;color:var(--ink);}
.float-card p{font-size:13.5px;color:var(--ink-3);line-height:1.7;margin-bottom:6px;}
.float-close{
  position:absolute;
  top:10px;
  right:12px;
  width:26px;
  height:26px;
  border-radius:50%;
  color:var(--ink-3);
  font-size:16px;
  line-height:1;
  transition:background-color var(--ease),color var(--ease);
}
.float-close:hover{background:var(--bg-alt);color:var(--ink);}

/* ============ 滚动淡入 ============ */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .35s ease,transform .35s ease;}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .footer-brand{flex:0 0 50%;max-width:50%;}
  .footer-col{flex:0 0 25%;max-width:25%;}
}

@media (max-width:1023px){
  .container{padding-left:24px;padding-right:24px;}
  .article-main{padding:34px 30px 30px;}
  .article-title{font-size:28px;}
  .article-side{padding-top:24px;}
  .side-sticky{position:static;flex-direction:row;flex-wrap:wrap;}
  .side-card{flex:1 1 300px;}
  .cta-band{padding:44px 32px;}
  .cta-band h2{font-size:24px;}
  .footer-brand{flex:0 0 50%;max-width:50%;}
  .footer-col{flex:0 0 50%;max-width:50%;}
  .related-section,.faq-section{padding-top:64px;}
}

@media (max-width:767px){
  body{font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  .topbar{padding:12px 0;}
  .topbar .grid-x > .cell{margin-bottom:10px;}
  .topbar .grid-x > .cell:last-child{margin-bottom:0;}
  .topbar-cta{justify-content:flex-start !important;}
  .brand-text{font-size:16.5px;}
  .channel-row{padding:8px 0;}
  .channel{height:34px;padding:0 15px;font-size:14px;}
  .breadcrumb{padding-top:18px;font-size:13px;}
  .breadcrumb .current{max-width:180px;}
  .article-wrap{padding:18px 0 56px;}
  .article-main{padding:26px 20px 24px;border-radius:var(--r-md);}
  .article-title{font-size:23px;line-height:1.5;margin-bottom:14px;}
  .article-meta{gap:14px;font-size:12.5px;}
  .article-body{font-size:16.5px;line-height:1.9;}
  .article-body h2{font-size:20px;margin-top:40px;}
  .article-body h3{font-size:18px;margin-top:30px;}
  .article-body > * + *{margin-top:22px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .faq-q{padding:18px 20px;font-size:16px;}
  .faq-a-inner{padding:0 20px 20px 20px;}
  .section-head h2{font-size:22px;}
  .cta-band{margin-top:64px;padding:36px 22px;border-radius:var(--r-md);}
  .cta-band h2{font-size:21px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .site-footer{margin-top:64px;padding:48px 0 90px;}
  .footer-brand,.footer-col{flex:0 0 100%;max-width:100%;}
  .footer-brand p{max-width:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .bottom-bar{display:flex;}
  body{padding-bottom:60px;}
}

@media (max-width:519px){
  .article-title{font-size:21px;}
  .post-title{font-size:16px;}
  .btn{height:44px;padding:0 20px;font-size:15px;}
  .btn-sm{height:38px;padding:0 16px;font-size:14px;}
}

@media (min-width:1024px){
  .float-card{display:flex;}
  .bottom-bar{display:none !important;}
  body{padding-bottom:0;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --c-primary:#0E5F4C;
  --c-primary-600:#0A4A3B;
  --c-primary-100:#DCEBE5;
  --c-accent:#F25C1F;
  --c-accent-hover:#D94E15;
  --c-sub:#2E9E86;
  --c-highlight:#F2C339;
  --bg:#F4F6F3;
  --bg-alt:#E9EDE7;
  --surface:#FFFFFF;
  --ink:#14201C;
  --ink-2:#4A5A54;
  --ink-3:#84948E;
  --line:#DCE3DD;
  --dark:#0C1F1A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(12,31,26,.06);
  --sh-2:0 10px 28px rgba(12,31,26,.10);
  --sh-3:0 18px 48px rgba(12,31,26,.16);
  --space-1:16px;
  --space-2:24px;
  --space-3:32px;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--c-sub)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--c-primary);outline-offset:2px}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.4px}
h1{font-size:42px;line-height:1.25}
h2{font-size:29px;line-height:1.35}
h3{font-size:20px;line-height:1.5;font-weight:600}
p{margin:0 0 22px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.muted{color:var(--ink-2)}
.meta{font-size:13px;color:var(--ink-3)}
.num{font-variant-numeric:tabular-nums}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;
  font-size:16px;font-weight:600;line-height:1;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  transition:transform .24s ease,box-shadow .24s ease,background-color .24s ease,color .24s ease,border-color .24s ease;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:15px}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:transparent;color:var(--c-primary);border:1.5px solid var(--c-primary)}
.btn-ghost:hover{background:rgba(14,95,76,.08);color:var(--c-primary);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-dark-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.75)}
.btn-dark-ghost:hover{background:#fff;color:var(--dark)}
.btn-block{width:100%}

/* ---------- pills / badges ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;line-height:1;
}
.pill-primary{background:var(--c-primary-100);color:var(--c-primary-600)}
.pill-accent{background:rgba(242,92,31,.12);color:#B8430F}
.pill-soft{background:var(--bg-alt);color:var(--ink-2)}
.pill-line{background:transparent;border:1px solid var(--line);color:var(--ink-2)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .24s ease}
.site-header.is-stuck{box-shadow:var(--sh-1)}
.topbar{padding:14px 0}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:18px}
.brand:hover{color:var(--c-primary)}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 38px;
  background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;
}
.brand-text .lite{color:var(--c-primary);font-weight:700}
.topbar .search-box{display:flex;align-items:center;gap:10px;background:var(--bg-alt);border:1px solid transparent;border-radius:var(--r-pill);height:40px;padding:0 16px}
.topbar .search-box i{color:var(--ink-3);font-size:14px}
.topbar .search-box input{
  flex:1;border:0;background:transparent;height:38px;margin:0;font-size:14.5px;color:var(--ink);
  box-shadow:none;border-radius:0;
}
.topbar .search-box input::placeholder{color:var(--ink-3)}
.topbar .search-box input:focus{outline:none;box-shadow:none}
.topbar .search-box:focus-within{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 4px rgba(14,95,76,.10)}
.topbar-cta{display:flex;justify-content:flex-end}
.channel-row{border-top:1px solid var(--line);background:var(--surface)}
.channel-scroll{
  display:flex;gap:10px;align-items:center;padding:12px 0;
  overflow-x:auto;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none;
}
.channel-scroll::-webkit-scrollbar{display:none}
.channel{
  flex:0 0 auto;scroll-snap-align:start;
  height:36px;padding:0 18px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;
  background:var(--bg-alt);color:var(--ink-2);
  font-size:14.5px;font-weight:600;
  border:1px solid transparent;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.channel:hover{color:var(--c-primary);border-color:var(--c-primary);background:#fff}
.channel.is-active{background:var(--c-accent);color:#fff;border-color:var(--c-accent)}
.channel.is-active:hover{background:var(--c-accent-hover);color:#fff;border-color:var(--c-accent-hover)}

/* ---------- generic section ---------- */
.section{padding:var(--sec) 0}
.section-alt{background:var(--bg-alt)}
.section-tight{padding:56px 0}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary);margin-bottom:14px}
.sec-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--c-primary);display:block}
.sec-head h2{margin-bottom:14px}
.sec-head p{color:var(--ink-2);font-size:16px;line-height:1.8;margin:0}
.h2-bar{position:relative;padding-left:16px}
.h2-bar::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;background:var(--c-primary)}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--line);padding:16px 0}
.crumb{font-size:13.5px;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:var(--line)}
.crumb .now{color:var(--ink-2);font-weight:600}

/* ---------- hero ---------- */
.hero{position:relative;padding:72px 0 84px;background:var(--bg);overflow:hidden}
.hero::before{
  content:"";position:absolute;width:820px;height:820px;right:-260px;top:-320px;
  background:radial-gradient(circle,rgba(14,95,76,.09),rgba(14,95,76,0) 68%);
  pointer-events:none;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:var(--c-primary-100);color:var(--c-primary-600);height:30px;padding:0 14px;border-radius:var(--r-pill);font-size:13px;font-weight:600;margin-bottom:20px}
.hero h1{margin-bottom:18px}
.hero h1 .hl{color:var(--c-primary)}
.hero .lede{font-size:18px;line-height:1.8;color:var(--ink-2);max-width:520px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:22px}
.hero-points span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);font-weight:600}
.hero-points i{color:var(--c-sub)}
.hero-visual{position:relative}
.hero-visual img{width:100%;border-radius:var(--r-lg);box-shadow:var(--sh-2);object-fit:cover}
.hero-badge{
  position:absolute;left:-18px;bottom:26px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-2);
  padding:14px 18px;display:flex;align-items:center;gap:12px;
}
.hero-badge .dot{width:10px;height:10px;border-radius:50%;background:var(--c-accent)}
.hero-badge b{font-size:15px;display:block;line-height:1.3}
.hero-badge span{font-size:12.5px;color:var(--ink-3)}

/* ---------- quick index ---------- */
.index-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.index-card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 20px;box-shadow:var(--sh-1);color:var(--ink);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.index-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--c-primary);color:var(--ink)}
.index-card i{font-size:18px;color:var(--c-primary);margin-bottom:12px;display:block}
.index-card b{display:block;font-size:16px;margin-bottom:6px}
.index-card span{font-size:13.5px;color:var(--ink-2);line-height:1.7}

/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.compare-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 28px;box-shadow:var(--sh-1)}
.compare-card.warn{border-top:4px solid var(--c-accent)}
.compare-card.safe{border-top:4px solid var(--c-primary)}
.compare-card h3{margin:14px 0 18px;font-size:19px}
.compare-list li{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line);font-size:15.5px;color:var(--ink-2);line-height:1.75}
.compare-list li:last-child{border-bottom:0;padding-bottom:0}
.compare-list li i{margin-top:5px;font-size:14px;flex:0 0 auto}
.compare-card.warn .compare-list i{color:var(--c-accent)}
.compare-card.safe .compare-list i{color:var(--c-sub)}
.compare-list b{color:var(--ink);font-weight:600}

/* ---------- stats ---------- */
.stats{background:var(--c-primary-100);border-radius:var(--r-lg);padding:38px 32px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat b{display:block;font-size:34px;line-height:1.1;color:var(--c-primary-600);font-weight:700;margin-bottom:8px}
.stat span{font-size:14px;color:var(--ink-2)}

/* ---------- timeline ---------- */
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:34px}
.timeline::before{content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;background:var(--line)}
.tl-item{position:relative;padding:0 0 34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:6px;width:24px;height:24px;border-radius:50%;
  background:var(--surface);border:2px solid var(--c-primary);
}
.tl-item::after{
  content:"";position:absolute;left:-27px;top:13px;width:10px;height:10px;border-radius:50%;background:var(--c-primary);
}
.tl-item h3{margin-bottom:8px;font-size:18px}
.tl-item h3 em{font-style:normal;color:var(--c-primary);font-weight:700;margin-right:8px}
.tl-item p{color:var(--ink-2);font-size:15.5px;margin:0}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:22px 56px 22px 26px;font-size:18px;font-weight:600;color:var(--ink);
  transition:color .22s ease,background-color .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;
  background:transparent;transition:background-color .22s ease;
}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:26px;top:24px;font-size:13px;color:var(--ink-3);
  transition:transform .24s ease,color .22s ease;
}
.faq-item summary:hover{color:var(--c-primary);background:rgba(14,95,76,.03)}
.faq-item[open] summary{color:var(--c-primary)}
.faq-item[open] summary::before{background:var(--c-primary)}
.faq-item[open] summary::after{transform:rotate(180deg);color:var(--c-primary)}
.faq-body{padding:0 56px 24px 26px;color:var(--ink-2);font-size:15.5px;line-height:1.85;margin:0}

/* ---------- scroll cards ---------- */
.scroll-rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x proximity;
  padding:6px 4px 22px;margin:0 -4px;
  -ms-overflow-style:none;scrollbar-width:thin;
}
.scroll-rail::-webkit-scrollbar{height:6px}
.scroll-rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px}
.rail-card{
  flex:0 0 296px;scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;display:block;color:var(--ink);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--c-primary);color:var(--ink)}
.rail-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt)}
.rail-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rail-card:hover .thumb img{transform:scale(1.04)}
.rail-card .body{padding:18px 20px 20px}
.rail-card h3{font-size:17px;margin:10px 0 8px}
.rail-card p{font-size:14px;color:var(--ink-2);line-height:1.7;margin:0 0 14px}
.rail-card .more{font-size:13.5px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}

/* ---------- cta ---------- */
.cta-band{background:var(--dark);color:#fff;padding:78px 0;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,158,134,.28),rgba(46,158,134,0) 70%);
}
.cta-inner{position:relative;max-width:760px}
.cta-band h2{color:#fff;margin-bottom:16px}
.cta-band p{color:rgba(255,255,255,.78);font-size:16.5px;margin-bottom:30px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand .brand:hover{color:#fff}
.footer-brand .brand-mark{background:rgba(255,255,255,.12)}
.footer-brand p{color:rgba(255,255,255,.68);font-size:14px;line-height:1.8;margin:0}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;letter-spacing:.3px}
.footer-links li{margin-bottom:12px}
.footer-links a{color:rgba(255,255,255,.72)}
.footer-links a:hover{color:#8FD8C4;text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:2px}
.footer-contact li{display:flex;gap:10px;margin-bottom:12px;align-items:flex-start;color:rgba(255,255,255,.72)}
.footer-contact i{color:var(--c-sub);margin-top:5px}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:22px 0 26px;font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- mobile bar ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:60px;background:var(--dark);align-items:center;justify-content:space-between;
  padding:0 16px;gap:12px;box-shadow:0 -6px 20px rgba(12,31,26,.22);
  transition:opacity .3s ease,transform .3s ease;
}
.mobile-bar span{color:rgba(255,255,255,.85);font-size:13.5px;font-weight:600}
.mobile-bar.is-hidden{opacity:0;transform:translateY(100%);pointer-events:none}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .35s ease,transform .35s ease}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  :root{--sec:72px}
  h1{font-size:34px}
  h2{font-size:25px}
  .container{padding:0 24px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:2}
  .hero p.lede{max-width:none}
  .index-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr);padding:30px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .topbar .search-box{margin:14px 0 0}
  .topbar-cta{justify-content:flex-start;margin-top:14px}
  .topbar-cta .btn{width:100%}
}
@media (max-width:767px){
  :root{--sec:56px}
  body{font-size:16px;padding-bottom:72px}
  h1{font-size:28px}
  h2{font-size:22px}
  h3{font-size:18px}
  .container{padding:0 16px}
  .section{padding:var(--sec) 0}
  .hero{padding:44px 0 56px}
  .hero .lede{font-size:16.5px}
  .hero-actions .btn{width:100%}
  .hero-badge{position:static;margin-top:16px;left:0;bottom:0}
  .compare-grid{grid-template-columns:1fr;gap:20px}
  .compare-card{padding:24px 20px}
  .index-grid{grid-template-columns:1fr;gap:14px}
  .stats{grid-template-columns:1fr 1fr;gap:18px;padding:24px 18px}
  .stat b{font-size:28px}
  .timeline{padding-left:28px}
  .timeline::before{left:9px}
  .tl-item::before{left:-28px;width:20px;height:20px}
  .tl-item::after{left:-22px;top:12px;width:8px;height:8px}
  .faq-item summary{font-size:16.5px;padding:18px 46px 18px 20px}
  .faq-item summary::after{right:20px;top:20px}
  .faq-body{padding:0 20px 20px 20px;font-size:15px}
  .rail-card{flex:0 0 82%}
  .cta-band{padding:56px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;gap:8px;padding-bottom:32px}
  .mobile-bar{display:flex}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --c-primary:#0E5F4C;
  --c-primary-600:#0A4A3B;
  --c-primary-100:#DCEBE5;
  --c-accent:#F25C1F;
  --c-accent-hover:#D94E15;
  --c-sub:#2E9E86;
  --c-highlight:#F2C339;
  --bg:#F4F6F3;
  --bg-alt:#E9EDE7;
  --surface:#FFFFFF;
  --ink:#14201C;
  --ink-2:#4A5A54;
  --ink-3:#84948E;
  --line:#DCE3DD;
  --dark:#0C1F1A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(12,31,26,.06);
  --sh-2:0 10px 28px rgba(12,31,26,.10);
  --sh-3:0 18px 48px rgba(12,31,26,.16);
  --container:1200px;
  --sp-1:16px;
  --sp-2:24px;
  --sp-3:32px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  padding-bottom:0;
}
@media (max-width:767px){
  body{padding-bottom:60px;}
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--c-sub);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.5px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;}
:focus-visible{outline:3px solid var(--c-primary);outline-offset:2px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
@media (max-width:1023px){ .container{padding:0 24px;} }
@media (max-width:575px){ .container{padding:0 16px;} }
.section{padding:92px 0;}
.section-tight{padding:64px 0;}
@media (max-width:1023px){ .section{padding:64px 0;} .section-tight{padding:48px 0;} }
@media (max-width:575px){ .section{padding:52px 0;} .section-tight{padding:42px 0;} }

/* ---------- 基础排版 ---------- */
.h2-block{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
  flex-wrap:wrap;
}
.h2-block h2{
  font-size:29px;
  line-height:1.35;
  position:relative;
  padding-left:16px;
}
.h2-block h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:5px;
  border-radius:3px;
  background:var(--c-primary);
}
.h2-block .h2-desc{
  font-size:14.5px;
  color:var(--ink-2);
  line-height:1.7;
  max-width:520px;
}
@media (max-width:767px){
  .h2-block h2{font-size:22px;}
  .h2-block{margin-bottom:26px;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15.5px;
  font-weight:600;
  letter-spacing:.3px;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .22s ease,background-color .22s ease,box-shadow .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn i{font-size:14px;}
.btn-primary{
  background:var(--c-accent);
  color:#fff;
  box-shadow:0 6px 16px rgba(242,92,31,.24);
}
.btn-primary:hover{
  background:var(--c-accent-hover);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.7);
}
.btn-ghost:hover{
  background:#fff;
  color:var(--c-primary-600);
  border-color:#fff;
  transform:translateY(-2px);
}
.btn-outline{
  background:transparent;
  color:var(--c-primary);
  border-color:var(--c-primary);
}
.btn-outline:hover{
  background:rgba(14,95,76,.08);
  color:var(--c-primary-600);
  transform:translateY(-2px);
}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}
.btn-block{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:25px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.2px;
  background:var(--c-primary-100);
  color:var(--c-primary-600);
  white-space:nowrap;
}
.badge-accent{background:rgba(242,92,31,.14);color:var(--c-accent-hover);}
.badge-dark{background:rgba(255,255,255,.14);color:#fff;}
.badge-sub{background:rgba(46,158,134,.14);color:#1F7461;}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--ink-2);}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--surface);
  transition:box-shadow .24s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.topbar{
  border-bottom:1px solid var(--line);
  padding:12px 0;
}
.topbar .grid-x{align-items:center;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  font-weight:700;
  font-size:17px;
  letter-spacing:.4px;
}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:36px;height:36px;
  border-radius:11px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--c-primary);
  color:#fff;
  font-size:16px;
  flex:0 0 auto;
}
.brand-text .lite{color:var(--c-primary);}
.search-box{
  position:relative;
  display:flex;
  align-items:center;
  height:40px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:var(--bg);
  padding:0 16px;
  transition:border-color .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.search-box i{color:var(--ink-3);font-size:13px;margin-right:9px;}
.search-box input{
  border:0;
  outline:0;
  background:transparent;
  width:100%;
  font-size:14.5px;
  color:var(--ink);
  height:100%;
}
.search-box input::placeholder{color:var(--ink-3);}
.search-box:focus-within{
  border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(14,95,76,.12);
  background:#fff;
}
.topbar-cta{text-align:right;}
.channel-row{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  padding:10px 0;
}
.channel-scroll{
  display:flex;
  gap:10px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
  padding-bottom:2px;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel{
  flex:0 0 auto;
  scroll-snap-align:start;
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 18px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:600;
  color:var(--ink-2);
  background:var(--bg-alt);
  border:1.5px solid transparent;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease;
}
.channel:hover{
  color:var(--c-primary);
  border-color:var(--c-primary);
  background:#fff;
}
.channel.is-active{
  background:var(--c-accent);
  color:#fff;
  border-color:var(--c-accent);
}
.channel.is-active:hover{background:var(--c-accent-hover);color:#fff;border-color:var(--c-accent-hover);}
@media (max-width:767px){
  .topbar-cta{text-align:left;margin-top:12px;}
  .search-box{margin-top:12px;}
}

/* ---------- 面包屑 ---------- */
.crumb-bar{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  padding:14px 0;
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--ink-3);
}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:#B6C2BC;}
.crumb .now{color:var(--ink-2);font-weight:600;}

/* ---------- 分类首屏 ---------- */
.cat-hero{
  position:relative;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  padding:74px 0 68px;
  overflow:hidden;
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(9,38,31,.86);
}
.cat-hero .container{position:relative;z-index:1;}
.cat-hero h1{
  color:#fff;
  font-size:40px;
  line-height:1.28;
  letter-spacing:.5px;
  max-width:760px;
}
.cat-hero .hero-sub{
  margin-top:18px;
  color:rgba(255,255,255,.82);
  font-size:17px;
  line-height:1.75;
  max-width:640px;
}
.cat-hero .hero-lead{
  margin-top:16px;
  color:rgba(255,255,255,.7);
  font-size:15px;
  line-height:1.85;
  max-width:680px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:14px 30px;
  margin-top:30px;
}
.hero-facts .fact{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:rgba(255,255,255,.78);
  font-size:13.5px;
}
.hero-facts .fact i{color:var(--c-highlight);font-size:12px;}
@media (max-width:1023px){
  .cat-hero{padding:56px 0 52px;}
  .cat-hero h1{font-size:32px;}
}
@media (max-width:575px){
  .cat-hero h1{font-size:28px;line-height:1.32;}
  .cat-hero .hero-sub{font-size:15.5px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
}

/* ---------- 要点卡网格 ---------- */
.point-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.point-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 24px;
  box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.point-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:#CBD8D1;
}
.point-icon{
  width:44px;height:44px;
  border-radius:12px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--c-primary-100);
  color:var(--c-primary);
  font-size:17px;
  margin-bottom:16px;
}
.point-card h3{
  font-size:18px;
  font-weight:600;
  margin-bottom:10px;
  letter-spacing:.3px;
}
.point-card p{
  font-size:14.5px;
  color:var(--ink-2);
  line-height:1.75;
}
@media (max-width:575px){
  .point-grid{grid-template-columns:1fr;}
}

/* ---------- 流程步骤 ---------- */
.flow-block{
  margin-top:36px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:30px 28px;
  box-shadow:var(--sh-1);
}
.flow-block h3{
  font-size:19px;
  font-weight:600;
  margin-bottom:22px;
}
.flow-steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.flow-step{position:relative;padding-top:20px;}
.flow-step::before{
  content:"";
  position:absolute;
  top:5px;left:0;
  width:11px;height:11px;
  border-radius:50%;
  background:var(--c-primary);
  box-shadow:0 0 0 4px rgba(14,95,76,.14);
}
.flow-step::after{
  content:"";
  position:absolute;
  top:10px;left:16px;right:-8px;
  height:1px;
  background:var(--line);
}
.flow-step:last-child::after{display:none;}
.flow-step .step-no{
  font-size:13px;
  font-weight:700;
  color:var(--c-sub);
  font-variant-numeric:tabular-nums;
  letter-spacing:1px;
}
.flow-step h4{
  font-size:15.5px;
  font-weight:600;
  margin:6px 0 8px;
}
.flow-step p{
  font-size:13.5px;
  color:var(--ink-2);
  line-height:1.7;
}
@media (max-width:1023px){
  .flow-steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow-step:nth-child(2)::after{display:none;}
}
@media (max-width:575px){
  .flow-steps{grid-template-columns:1fr;gap:14px;}
  .flow-step::after{display:none;}
}

/* ---------- 侧栏 ---------- */
.side-stack{
  display:flex;
  flex-direction:column;
  gap:20px;
  position:sticky;
  top:132px;
}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px 22px;
  box-shadow:var(--sh-1);
}
.side-card h3{
  font-size:16px;
  font-weight:700;
  margin-bottom:16px;
  padding-left:12px;
  position:relative;
}
.side-card h3::before{
  content:"";
  position:absolute;
  left:0;top:3px;bottom:3px;
  width:4px;
  border-radius:2px;
  background:var(--c-primary);
}
.toc-list li + li{margin-top:2px;}
.toc-list a{
  display:block;
  padding:9px 12px;
  border-radius:var(--r-sm);
  font-size:14.5px;
  color:var(--ink-2);
  transition:background-color .2s ease,color .2s ease,padding-left .2s ease;
}
.toc-list a:hover{
  background:var(--c-primary-100);
  color:var(--c-primary-600);
  padding-left:18px;
}
.quick-entry{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.quick-entry a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:13px 16px;
  border-radius:var(--r-sm);
  background:var(--bg-alt);
  font-size:14.5px;
  font-weight:600;
  color:var(--ink);
  transition:background-color .22s ease,color .22s ease,transform .22s ease;
}
.quick-entry a i{color:var(--c-accent);font-size:12px;}
.quick-entry a:hover{
  background:var(--c-primary);
  color:#fff;
  transform:translateX(3px);
}
.quick-entry a:hover i{color:var(--c-highlight);}
.mini-faq li{
  border-bottom:1px dashed var(--line);
  padding-bottom:10px;
  margin-bottom:10px;
}
.mini-faq li:last-child{border-bottom:0;padding-bottom:0;margin-bottom:0;}
.mini-faq a{
  font-size:14px;
  color:var(--ink-2);
  line-height:1.7;
  display:block;
}
.mini-faq a:hover{color:var(--c-primary);}
@media (max-width:1023px){
  .side-stack{position:static;margin-top:36px;}
}

/* ---------- 图文交错 ---------- */
.feature-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:52px;
  align-items:center;
}
.feature-row + .feature-row{margin-top:76px;}
.feature-row.reverse .feature-media{order:2;}
.feature-row.reverse .feature-body{order:1;}
.feature-media{
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  background:var(--bg-alt);
  aspect-ratio:16 / 10;
}
.feature-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.feature-media:hover img{transform:scale(1.03);}
.feature-body h3{
  font-size:22px;
  line-height:1.4;
  margin-bottom:14px;
}
.feature-body > p{
  font-size:15.5px;
  color:var(--ink-2);
  line-height:1.85;
  margin-bottom:18px;
}
.dot-list li{
  position:relative;
  padding-left:16px;
  font-size:14.5px;
  color:var(--ink-2);
  line-height:1.8;
  margin-bottom:10px;
}
.dot-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--c-primary);
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14.5px;
  font-weight:600;
  color:var(--c-primary);
  margin-top:8px;
}
.text-link i{font-size:12px;transition:transform .22s ease;}
.text-link:hover i{transform:translateX(4px);}
@media (max-width:1023px){
  .feature-row{grid-template-columns:1fr;gap:26px;}
  .feature-row.reverse .feature-media{order:1;}
  .feature-row.reverse .feature-body{order:2;}
  .feature-row + .feature-row{margin-top:48px;}
  .feature-body h3{font-size:20px;}
}

/* ---------- 数据条 ---------- */
.stat-band{
  background:var(--c-primary-100);
  border-top:1px solid #CFE2DA;
  border-bottom:1px solid #CFE2DA;
  padding:52px 0;
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
  text-align:center;
}
.stat-item .num{
  font-size:34px;
  font-weight:700;
  color:var(--c-primary-600);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.stat-item .num span{font-size:18px;margin-left:2px;}
.stat-item .label{
  margin-top:8px;
  font-size:14px;
  color:var(--ink-2);
}
@media (max-width:767px){
  .stat-grid{
    display:flex;
    overflow-x:auto;
    scroll-snap-type:x mandatory;
    gap:14px;
    padding-bottom:6px;
    scrollbar-width:none;
  }
  .stat-grid::-webkit-scrollbar{display:none;}
  .stat-item{
    flex:0 0 62%;
    scroll-snap-align:start;
    background:#fff;
    border-radius:var(--r-md);
    padding:20px 14px;
    box-shadow:var(--sh-1);
  }
  .stat-item .num{font-size:28px;}
}

/* ---------- 栏目速览 ---------- */
.tile-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.tile{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease;
  display:flex;
  flex-direction:column;
}
.tile:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.tile-media{
  aspect-ratio:16 / 9;
  background:var(--bg-alt);
  overflow:hidden;
}
.tile-media img{width:100%;height:100%;object-fit:cover;}
.tile-body{padding:20px 20px 22px;flex:1;display:flex;flex-direction:column;}
.tile-body .badge{align-self:flex-start;margin-bottom:12px;}
.tile-body h3{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:10px;
}
.tile-body p{
  font-size:14px;
  color:var(--ink-2);
  line-height:1.72;
  flex:1;
}
.tile-foot{
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--ink-3);
}
.tile-foot i{color:var(--c-accent);font-size:12px;}
@media (max-width:1023px){
  .tile-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:575px){
  .tile-grid{grid-template-columns:1fr;gap:18px;}
}

/* ---------- FAQ ---------- */
.faq-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:10px 26px;
  box-shadow:var(--sh-1);
}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  position:relative;
  padding:20px 40px 20px 18px;
  font-size:17.5px;
  font-weight:600;
  color:var(--ink);
  line-height:1.6;
  transition:color .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;top:22px;bottom:22px;
  width:3px;
  border-radius:2px;
  background:transparent;
  transition:background-color .22s ease;
}
.faq-item summary::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  right:12px;top:50%;
  transform:translateY(-50%);
  font-size:12px;
  color:var(--ink-3);
  transition:transform .24s ease,color .24s ease;
}
.faq-item[open] summary{color:var(--c-primary);}
.faq-item[open] summary::before{background:var(--c-primary);}
.faq-item[open] summary::after{
  transform:translateY(-50%) rotate(45deg);
  color:var(--c-primary);
}
.faq-item summary:hover{color:var(--c-primary);}
.faq-item .faq-answer{
  padding:0 40px 22px 18px;
  font-size:15px;
  color:var(--ink-2);
  line-height:1.85;
}
@media (max-width:575px){
  .faq-wrap{padding:6px 16px;}
  .faq-item summary{font-size:16px;padding:16px 34px 16px 14px;}
  .faq-item .faq-answer{padding:0 30px 18px 14px;font-size:14.5px;}
}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:var(--c-primary-600);
  padding:72px 0;
  text-align:center;
}
.cta-band h2{
  color:#fff;
  font-size:30px;
  line-height:1.4;
}
.cta-band p{
  color:rgba(255,255,255,.78);
  font-size:16px;
  margin-top:14px;
}
.cta-actions{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
@media (max-width:575px){
  .cta-band{padding:52px 0;}
  .cta-band h2{font-size:22px;}
  .cta-actions .btn{width:100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-col h4{
  color:#fff;
  font-size:15.5px;
  font-weight:700;
  margin-bottom:18px;
  letter-spacing:.4px;
}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand .brand:hover{color:var(--c-highlight);}
.footer-brand .brand-mark{background:var(--c-primary);}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.6);
  max-width:340px;
}
.footer-links li + li{margin-top:11px;}
.footer-links a{
  color:rgba(255,255,255,.72);
  font-size:14.5px;
  transition:color .2s ease;
}
.footer-links a:hover{
  color:var(--c-highlight);
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-thickness:2px;
}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14.5px;
  margin-bottom:12px;
  line-height:1.7;
}
.footer-contact i{
  color:var(--c-sub);
  font-size:13px;
  margin-top:6px;
  flex:0 0 auto;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:22px 0;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding-top:48px;}
}

/* ---------- 移动端固定转化条 ---------- */
.mobile-bar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  height:60px;
  display:none;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:0 16px;
  background:var(--dark);
  border-top:1px solid rgba(255,255,255,.1);
  transition:opacity .3s ease,transform .3s ease;
}
.mobile-bar .bar-text{
  color:rgba(255,255,255,.82);
  font-size:13.5px;
  line-height:1.4;
}
.mobile-bar.is-hidden{opacity:0;transform:translateY(100%);pointer-events:none;}
@media (max-width:767px){
  .mobile-bar{display:flex;}
}

/* ---------- 桌面浮动卡 ---------- */
.float-card{
  position:fixed;
  right:24px;
  bottom:24px;
  width:290px;
  z-index:65;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-3);
  padding:22px 22px 20px;
  opacity:0;
  transform:translateY(14px);
  pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
}
.float-card.is-show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-card .fc-close{
  position:absolute;
  right:12px;top:12px;
  width:26px;height:26px;
  border:0;
  border-radius:50%;
  background:var(--bg-alt);
  color:var(--ink-2);
  font-size:11px;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:background-color .2s ease,color .2s ease;
}
.float-card .fc-close:hover{background:var(--c-accent);color:#fff;}
.float-card h3{
  font-size:16px;
  font-weight:700;
  margin-bottom:8px;
  padding-right:24px;
}
.float-card p{
  font-size:13.5px;
  color:var(--ink-2);
  line-height:1.7;
  margin-bottom:16px;
}
@media (max-width:1023px){
  .float-card{display:none;}
}

/* ---------- 滚动淡入 ---------- */
.reveal{
  opacity:0;
  transform:translateY(8px);
  transition:opacity .5s ease,transform .5s ease;
}
.reveal.is-in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}