/* roulang page: index */
:root{
  --brand-900:#062A20;
  --brand-700:#0B4A34;
  --brand-500:#12734C;
  --lime-400:#B9F227;
  --flame-500:#FF6A2B;
  --bg:#F6F7F3;
  --surface:#FFFFFF;
  --surface-2:#EDF2EA;
  --line:#E2E6E0;
  --ink:#14211B;
  --muted:#5C6B63;
  --radius-card:16px;
  --radius-img:14px;
  --radius-input:10px;
  --radius-cta:12px;
  --shadow-1:0 1px 2px rgba(6,42,32,.06);
  --shadow-2:0 8px 24px rgba(6,42,32,.08);
  --shadow-3:0 16px 40px rgba(6,42,32,.14);
  --nav-h:120px;
  --bs-primary:#12734C;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*{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","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-700)}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1400px){.container{max-width:1320px}}
.nums{font-variant-numeric:tabular-nums}

/* ---------- Header / Nav ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--brand-900);box-shadow:var(--shadow-1)}
.header-top{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:12px;color:#fff;flex:0 0 auto}
.brand:hover{color:#fff}
.brand-mark{width:38px;height:38px;flex:0 0 auto;display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:19px;font-weight:800;letter-spacing:-.3px;color:#fff}
.brand-text em{font-style:normal;font-size:11.5px;color:rgba(255,255,255,.6);letter-spacing:1.6px}
.nav-search{position:relative;flex:1 1 auto;max-width:420px;margin:0 auto}
.nav-search input{width:100%;height:42px;padding:0 44px 0 16px;border-radius:var(--radius-input);border:1px solid transparent;background:rgba(185,242,39,.10);color:#fff;font-size:14px}
.nav-search input::placeholder{color:rgba(255,255,255,.5)}
.nav-search input:focus{outline:none;background:rgba(255,255,255,.10);border-color:var(--lime-400);box-shadow:0 0 0 3px rgba(185,242,39,.18)}
.nav-search .search-icon{position:absolute;right:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;stroke:rgba(255,255,255,.6);fill:none;stroke-width:2;pointer-events:none}
.header-cta{flex:0 0 auto}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;font-size:15px;font-weight:700;line-height:1;
  border-radius:var(--radius-cta);border:1px solid transparent;
  background:var(--lime-400);color:var(--brand-900);cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-main:hover{background:var(--brand-500);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;font-size:15px;font-weight:700;line-height:1;
  border-radius:var(--radius-cta);border:1px solid var(--brand-500);
  background:#fff;color:var(--brand-500);cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.btn-ghost:hover{background:var(--surface-2);color:var(--brand-700);transform:translateY(-1px)}
.btn-light-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;font-size:15px;font-weight:700;line-height:1;
  border-radius:var(--radius-cta);border:1px solid rgba(255,255,255,.5);
  background:transparent;color:#fff;cursor:pointer;transition:background .18s ease,border-color .18s ease;
}
.btn-light-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}

.channel-bar{height:48px;display:flex;align-items:center;border-top:1px solid rgba(255,255,255,.08)}
.channel-scroll{display:flex;align-items:center;gap:8px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-link{
  flex:0 0 auto;scroll-snap-align:start;padding:8px 16px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:rgba(255,255,255,.78);white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.channel-link:hover{background:rgba(185,242,39,.14);color:#fff}
.channel-link.active{background:var(--lime-400);color:var(--brand-900)}
.channel-link.active:hover{background:var(--lime-400);color:var(--brand-900)}
.mobile-menu-btn{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.25);
  background:transparent;color:#fff;align-items:center;justify-content:center;flex:0 0 auto;
}
.mobile-menu-btn svg{width:20px;height:20px;stroke:#fff;stroke-width:2;fill:none}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;min-height:560px;display:flex;align-items:center;
  background-image:linear-gradient(115deg,rgba(6,42,32,.90),rgba(6,42,32,.68)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 2px,transparent 2px 14px);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:72px 0}
.hero-copy .hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(185,242,39,.16);color:var(--lime-400);font-size:13px;font-weight:700;letter-spacing:.4px;margin-bottom:20px;
}
.hero-copy h1{font-size:clamp(30px,4.6vw,54px);font-weight:800;line-height:1.18;letter-spacing:-.5px;color:#fff}
.hero-copy h1 .hl{color:var(--lime-400)}
.hero-sub{margin-top:18px;max-width:560px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.82)}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px}
.hero-stats{margin-top:38px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:600px}
.hero-stat{display:flex;gap:12px;align-items:flex-start}
.hero-stat .dot{
  width:34px;height:34px;flex:0 0 auto;border-radius:10px;background:rgba(185,242,39,.16);
  display:flex;align-items:center;justify-content:center;color:var(--lime-400);font-weight:800;font-size:13px;
}
.hero-stat b{display:block;color:#fff;font-size:20px;font-weight:800;line-height:1.2}
.hero-stat span{display:block;margin-top:2px;font-size:13px;color:rgba(255,255,255,.62)}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.hero-float{
  position:absolute;left:-18px;bottom:24px;background:#fff;border-radius:14px;padding:14px 18px;
  box-shadow:var(--shadow-3);display:flex;align-items:center;gap:12px;
}
.hero-float .badge-hot{background:var(--flame-500);color:#fff;border-radius:999px;font-size:12px;font-weight:700;padding:3px 10px}
.hero-float b{font-size:14px;color:var(--brand-900)}
.hero-float span{display:block;font-size:12px;color:var(--muted)}

/* ---------- Sections ---------- */
.section{padding:80px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head .eyebrow{
  display:block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--brand-500);margin-bottom:10px;
}
.section-head h2{font-size:clamp(23px,2.6vw,28px);font-weight:700;line-height:1.35}
.section-head p{margin-top:10px;max-width:640px;color:var(--muted);font-size:15px}
.section-link{font-size:14.5px;font-weight:700;color:var(--brand-500);white-space:nowrap}
.section-link:hover{color:var(--brand-900)}
.section-link::after{content:" →"}

/* ---------- Gear grid ---------- */
.gear-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:576px){.gear-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:992px){.gear-grid{grid-template-columns:repeat(3,1fr)}}
@media (min-width:1200px){.gear-grid{grid-template-columns:repeat(4,1fr)}}
.gear-card{
  display:flex;flex-direction:column;background:var(--surface);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease;
}
.gear-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3)}
.gear-media{position:relative;overflow:hidden;background:var(--surface-2)}
.gear-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.gear-card:hover .gear-media img{transform:scale(1.03)}
.gear-badge{position:absolute;top:12px;left:12px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;height:24px;display:inline-flex;align-items:center}
.badge-hot{background:var(--flame-500);color:#fff}
.badge-new{background:var(--brand-900);color:var(--lime-400)}
.badge-cat{background:var(--surface-2);color:var(--brand-500);padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;height:24px;display:inline-flex;align-items:center}
.gear-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1 1 auto}
.gear-body h3{font-size:18px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.gear-spec{margin-top:8px;font-size:13.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.gear-foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.price{font-size:20px;font-weight:800;color:var(--flame-500);font-variant-numeric:tabular-nums}
.price small{font-size:12px;font-weight:600;color:var(--muted);margin-left:4px}
.gear-card.feature{grid-column:span 2;flex-direction:row;align-items:stretch}
.gear-card.feature .gear-media{flex:0 0 44%}
.gear-card.feature .gear-media img{height:100%;aspect-ratio:auto;min-height:220px}
.gear-card.feature .gear-body{padding:24px}
.gear-card.feature h3{font-size:20px}
.feature-points{margin:12px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.feature-points span{font-size:12.5px;color:var(--brand-700);background:var(--surface-2);border-radius:999px;padding:3px 10px}
@media (max-width:575px){
  .gear-card.feature{grid-column:span 1;flex-direction:column}
  .gear-card.feature .gear-media{flex:none}
  .gear-card.feature .gear-media img{aspect-ratio:16/9;min-height:0}
}

/* ---------- Reviews ---------- */
.reviews{background:var(--surface-2)}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review-card{background:#fff;border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:24px;height:100%;display:flex;flex-direction:column}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{width:44px;height:44px;border-radius:12px;background:var(--brand-700);color:var(--lime-400);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;flex:0 0 auto}
.review-top b{display:block;font-size:15px}
.review-top span{display:block;font-size:12.5px;color:var(--muted)}
.stars{margin-left:auto;color:var(--lime-400);font-size:14px;letter-spacing:2px;white-space:nowrap}
.review-card p{margin-top:16px;font-size:15px;line-height:1.85;color:#2C3A33}
.review-date{margin-top:16px;font-size:12.5px;color:var(--muted)}
@media (max-width:991px){
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid > *:nth-child(3){display:none}
}
@media (max-width:767px){
  .review-grid{grid-template-columns:1fr}
  .review-grid > *:nth-child(2){display:none}
}
.carousel-ctrl{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--brand-500);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--brand-500);opacity:1;
  position:static;transition:background .18s ease,color .18s ease;
}
.carousel-ctrl:hover{background:var(--brand-500);color:#fff}
.carousel-ctrl svg{width:18px;height:18px;stroke:currentColor;stroke-width:2;fill:none}
.carousel-controls{display:flex;gap:12px;justify-content:center;margin-top:28px}
.carousel-indicators{position:static;margin:16px 0 0;gap:8px}
.carousel-indicators [data-bs-target]{width:28px;height:4px;border-radius:999px;background:rgba(6,42,32,.2);border:0;margin:0;opacity:1}
.carousel-indicators .active{background:var(--brand-500);width:44px}

/* ---------- Guarantee ---------- */
.guarantee-wrap{background:var(--surface-2);padding:56px 0;margin-top:72px}
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.guarantee-item{display:flex;gap:14px;align-items:flex-start}
.guarantee-icon{width:48px;height:48px;border-radius:14px;background:#fff;display:flex;align-items:center;justify-content:center;flex:0 0 auto;box-shadow:var(--shadow-1)}
.guarantee-icon svg{width:22px;height:22px;stroke:var(--brand-500);stroke-width:1.8;fill:none}
.guarantee-item b{display:block;font-size:16px;font-weight:700}
.guarantee-item span{display:block;margin-top:4px;font-size:13px;color:var(--muted);line-height:1.7}
@media (max-width:991px){.guarantee-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575px){.guarantee-grid{grid-template-columns:1fr;gap:20px}}

/* ---------- News (CMS) ---------- */
.news-card{
  display:flex;flex-direction:column;height:100%;background:#fff;border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:24px;color:var(--ink);
  transition:transform .18s ease,box-shadow .18s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);color:var(--ink)}
.news-card h3{margin-top:14px;font-size:18px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:18px;font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:8px}
.news-empty{
  background:#fff;border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:56px 24px;text-align:center;
}
.news-empty .empty-mark{
  width:56px;height:56px;margin:0 auto 16px;border-radius:16px;background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;
}
.news-empty .empty-mark svg{width:26px;height:26px;stroke:var(--brand-500);stroke-width:1.8;fill:none}
.news-empty b{display:block;font-size:17px}
.news-empty p{margin-top:8px;font-size:14px;color:var(--muted)}
.news-empty .empty-actions{margin-top:22px;display:flex;justify-content:center;gap:12px;flex-wrap:wrap}

/* ---------- CTA banner ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;background:var(--brand-900);padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(185,242,39,.10) 0 3px,transparent 3px 20px);
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:clamp(21px,2.4vw,27px);font-weight:800;line-height:1.35}
.cta-band p{margin-top:10px;max-width:560px;color:rgba(255,255,255,.74);font-size:15px}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}
@media (max-width:991px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{background:#fff;border:0;border-radius:12px;box-shadow:var(--shadow-1);margin-bottom:10px;overflow:hidden}
.accordion-button{
  background:#fff;color:var(--ink);font-size:16.5px;font-weight:700;padding:20px 22px;border:0;box-shadow:none;
  position:relative;gap:12px;
}
.accordion-button:not(.collapsed){background:#fff;color:var(--brand-900);box-shadow:none}
.accordion-button:not(.collapsed)::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;border-radius:0 4px 4px 0;background:var(--lime-400)}
.accordion-button:focus{box-shadow:none}
.accordion-button::after{
  background-image:none;content:"+";display:flex;align-items:center;justify-content:center;
  width:28px;height:28px;font-size:20px;font-weight:700;color:var(--brand-500);
  border-radius:8px;background:var(--surface-2);flex:0 0 auto;transition:transform .2s ease;margin-left:auto;
}
.accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg);color:var(--brand-900);background:var(--lime-400)}
.accordion-body{padding:0 22px 22px 22px;font-size:15px;line-height:1.8;color:#3A4941}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);margin-top:96px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding:64px 0 48px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand strong{color:#fff;font-size:18px;font-weight:800}
.footer-brand em{font-style:normal;display:block;font-size:11.5px;color:rgba(255,255,255,.55);letter-spacing:1.4px}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col li{margin-bottom:12px;font-size:14px}
.footer-col li a{color:rgba(255,255,255,.7)}
.footer-col li a:hover{color:var(--lime-400)}
.footer-col li span{color:rgba(255,255,255,.66)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.7)}
.footer-contact svg{width:17px;height:17px;stroke:var(--lime-400);stroke-width:1.8;fill:none;flex:0 0 auto;margin-top:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55)}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--lime-400)}
.footer-links-inline{display:flex;flex-wrap:wrap;gap:8px 18px}
@media (max-width:991px){
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 36px}
}
@media (max-width:575px){
  .footer-top{grid-template-columns:1fr}
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .hero-inner{gap:36px}
}
@media (max-width:991px){
  .header-top{height:60px;gap:12px}
  .nav-search{display:none}
  .brand-text strong{font-size:17px}
  .brand-text em{font-size:10.5px;letter-spacing:1.2px}
  .channel-bar{height:44px}
  .hero{min-height:480px}
  .hero-inner{grid-template-columns:1fr;padding:56px 0 64px;gap:32px}
  .hero-visual{order:-1}
  .hero-visual img{aspect-ratio:16/9}
  .hero-float{left:12px;bottom:-14px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
}
@media (max-width:767px){
  .hero-actions .btn-main,.hero-actions .btn-ghost{flex:1 1 auto}
  .hero-stats{grid-template-columns:1fr;gap:14px}
  .mobile-menu-btn{display:inline-flex}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: article */
:root{
  --brand-900:#062A20;
  --brand-700:#0B4A34;
  --brand-500:#12734C;
  --lime-400:#B9F227;
  --flame-500:#FF6A2B;
  --bg:#F6F7F3;
  --surface:#FFFFFF;
  --surface-2:#EDF2EA;
  --line:#E2E6E0;
  --ink:#14211B;
  --muted:#5C6B63;
  --radius-card:16px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(6,42,32,.06);
  --shadow-2:0 8px 24px rgba(6,42,32,.08);
  --shadow-3:0 16px 40px rgba(6,42,32,.14);
  --ease:180ms ease-out;
}
*,*::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","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.container{max-width:1320px;}}
.section{padding:72px 0;}
@media (max-width:767.98px){.section{padding:48px 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:26px;font-weight:700;letter-spacing:-.2px;}
.section-head p{font-size:14px;color:var(--muted);margin-top:6px;}
.text-link{font-size:14px;font-weight:600;color:var(--brand-500);white-space:nowrap;}
.text-link:hover{color:var(--brand-700);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:12px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:all var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--lime-400);color:var(--brand-900);}
.btn-primary:hover{background:var(--brand-500);color:#fff;transform:translateY(-1px);}
.btn-outline{background:#fff;color:var(--brand-500);border-color:var(--brand-500);}
.btn-outline:hover{background:var(--surface-2);color:var(--brand-700);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn:disabled,.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- 徽章 ---------- */
.badge-pill{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:999px;font-size:12px;font-weight:600;line-height:1;
}
.badge-cat{background:var(--surface-2);color:var(--brand-500);}
.badge-new{background:var(--brand-900);color:var(--lime-400);}
.badge-hot{background:var(--flame-500);color:#fff;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-stuck{box-shadow:var(--shadow-2);}
.nav-top{display:flex;align-items:center;gap:20px;min-height:72px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{width:38px;height:38px;display:block;flex:0 0 auto;}
.brand-mark svg{width:100%;height:100%;display:block;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:800;color:var(--brand-900);letter-spacing:-.2px;}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.6px;margin-top:2px;}
.nav-search{position:relative;flex:1 1 auto;max-width:420px;margin-left:auto;}
.nav-search input{
  width:100%;height:42px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface-2);padding:0 42px 0 14px;font-size:14px;
  transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.nav-search input::placeholder{color:#8B978F;}
.nav-search input:focus{outline:none;border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(18,115,76,.12);}
.nav-search svg{position:absolute;right:13px;top:50%;transform:translateY(-50%);width:18px;height:18px;fill:none;stroke:var(--muted);stroke-width:1.8;stroke-linecap:round;pointer-events:none;}
.nav-cta{flex:0 0 auto;}
.channel-scroll{
  display:flex;gap:8px;overflow-x:auto;padding:6px 0 12px;
  scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-link{
  flex:0 0 auto;scroll-snap-align:start;padding:8px 18px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--muted);transition:all var(--ease);
}
.channel-link:hover{background:var(--surface-2);color:var(--brand-700);}
.channel-link.active{background:var(--lime-400);color:var(--brand-900);}
@media (max-width:767.98px){
  .nav-top{min-height:60px;gap:12px;}
  .nav-search{display:none;}
  .brand-mark{width:32px;height:32px;}
  .brand-text strong{font-size:15px;}
  .brand-text em{font-size:11px;}
  .nav-cta{padding:9px 16px;font-size:14px;margin-left:auto;}
  .channel-link{padding:7px 15px;font-size:13.5px;}
}

/* ---------- 文章头部 ---------- */
.article-head{padding:32px 0 4px;}
.breadcrumb-line{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:20px;
}
.breadcrumb-line a:hover{color:var(--brand-500);}
.breadcrumb-line .sep{color:#B7C0B9;}
.breadcrumb-line .crumb-current{
  max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-title{
  font-size:clamp(26px,3.5vw,40px);font-weight:800;line-height:1.35;
  letter-spacing:-.4px;max-width:820px;margin-bottom:18px;color:var(--brand-900);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--muted);padding-bottom:24px;
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:#C3CCC5;display:inline-block;}
.article-meta .meta-strong{color:var(--brand-700);font-weight:600;}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:48px;
  align-items:start;padding:8px 0 24px;
}
.article-main{min-width:0;max-width:800px;}
.article-cover{margin:0 0 12px;}
.article-cover .thumb{
  width:100%;aspect-ratio:16/9;border-radius:16px;overflow:hidden;
  background:var(--surface-2);box-shadow:var(--shadow-1);
}
.article-cover .thumb img{width:100%;height:100%;object-fit:cover;}
.article-cover figcaption{font-size:13px;color:var(--muted);margin-top:10px;}
.article-body{
  font-size:17px;line-height:1.9;color:#1D2B24;
  margin-top:28px;overflow-wrap:break-word;word-break:break-word;
}
.article-body p{margin:0 0 1.15em;}
.article-body h2{
  font-size:24px;font-weight:700;line-height:1.4;color:var(--brand-900);
  margin:40px 0 16px;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;width:4px;height:1em;
  background:var(--lime-400);border-radius:2px;
}
.article-body h3{font-size:20px;font-weight:700;color:var(--brand-900);margin:28px 0 12px;}
.article-body h4{font-size:17px;font-weight:700;margin:22px 0 10px;}
.article-body a{color:var(--brand-500);border-bottom:1px solid rgba(18,115,76,.35);}
.article-body a:hover{border-bottom-color:var(--brand-500);color:var(--brand-700);}
.article-body ul{margin:0 0 1.15em;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.55em;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;
  border-radius:50%;background:var(--lime-400);border:1px solid var(--brand-500);
}
.article-body ol{list-style:decimal;padding-left:1.4em;margin:0 0 1.15em;}
.article-body ol li{margin-bottom:.55em;padding-left:.2em;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--surface-2);
  border-left:4px solid var(--lime-400);border-radius:0 12px 12px 0;color:#22332B;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:20px auto;}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;margin:20px 0;
  background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--shadow-1);
}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:var(--surface-2);color:var(--brand-700);font-weight:700;}
.article-body code{background:var(--surface-2);border-radius:6px;padding:2px 6px;font-size:15px;}

/* ---------- 目录侧栏 ---------- */
.toc-card{
  position:sticky;top:140px;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:20px;box-shadow:var(--shadow-1);
}
.toc-card h4{font-size:15px;font-weight:700;color:var(--brand-900);margin-bottom:12px;}
.toc-list{max-height:56vh;overflow-y:auto;}
.toc-list a{
  display:block;font-size:14px;color:var(--muted);padding:7px 0 7px 12px;
  border-left:2px solid var(--line);transition:all var(--ease);
}
.toc-list a:hover,.toc-list a.active{color:var(--brand-900);border-left-color:var(--lime-400);font-weight:600;}
@media (max-width:991.98px){
  .article-layout{grid-template-columns:1fr;gap:24px;}
  .toc-card{display:none;}
}

/* ---------- 空态 ---------- */
.empty-state{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:56px 24px;text-align:center;box-shadow:var(--shadow-1);margin-top:24px;
}
.empty-state .ico{
  width:64px;height:64px;margin:0 auto 18px;border-radius:18px;background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;
}
.empty-state .ico svg{width:30px;height:30px;fill:none;stroke:var(--brand-500);stroke-width:1.8;}
.empty-state h2{font-size:22px;font-weight:700;color:var(--brand-900);margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:22px;}

/* ---------- 标签行 ---------- */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:36px;padding-top:24px;border-top:1px solid var(--line);
}
.tag-row .tag-label{font-size:13px;color:var(--muted);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
  background:var(--surface-2);color:var(--brand-700);font-size:13px;font-weight:600;
  transition:all var(--ease);
}
.tag:hover{background:var(--lime-400);color:var(--brand-900);}
.back-row{margin-top:24px;}

/* ---------- 保障条 ---------- */
.guarantee{background:var(--surface-2);}
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.g-item{display:flex;gap:14px;align-items:flex-start;}
.g-icon{
  width:48px;height:48px;flex:0 0 auto;border-radius:14px;background:#fff;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-1);
}
.g-icon svg{width:22px;height:22px;fill:none;stroke:var(--brand-500);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.g-item h3{font-size:16px;font-weight:700;color:var(--brand-900);margin-bottom:4px;}
.g-item p{font-size:13px;color:var(--muted);line-height:1.7;}
@media (max-width:991.98px){.guarantee-grid{grid-template-columns:repeat(2,1fr);gap:18px;}}
@media (max-width:575.98px){.guarantee-grid{grid-template-columns:1fr;}}

/* ---------- 推荐卡片 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
@media (max-width:991.98px){.rec-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:575.98px){.rec-grid{grid-template-columns:1fr;}}
.post-card{
  display:flex;flex-direction:column;background:#fff;border-radius:16px;
  box-shadow:var(--shadow-1);overflow:hidden;transition:transform var(--ease),box-shadow var(--ease);
  height:100%;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);}
.post-thumb{width:100%;aspect-ratio:16/9;background:var(--surface-2);overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 220ms ease-out;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
.post-body h3{
  font-size:18px;font-weight:700;line-height:1.5;margin:10px 0 8px;color:var(--brand-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body p{
  font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);padding-top:12px;border-top:1px solid var(--line);
}
.post-meta .arrow{color:var(--brand-500);font-weight:700;}

/* ---------- CTA 长条 ---------- */
.cta-bar{
  position:relative;overflow:hidden;border-radius:20px;background:var(--brand-900);
  padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--shadow-2);
}
.cta-bar::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:repeating-linear-gradient(115deg,#fff 0 2px,transparent 2px 22px);
}
.cta-bar h2{font-size:26px;font-weight:800;color:#fff;margin-bottom:10px;position:relative;z-index:1;}
.cta-bar p{font-size:15px;color:rgba(255,255,255,.78);max-width:620px;position:relative;z-index:1;}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;position:relative;z-index:1;}
@media (max-width:767.98px){
  .cta-bar{flex-direction:column;align-items:flex-start;padding:32px 24px;}
  .cta-bar h2{font-size:21px;}
  .cta-actions{flex-wrap:wrap;width:100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:64px 0 0;margin-top:0;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:44px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;font-size:14px;line-height:1.7;}
.footer-col ul a{color:rgba(255,255,255,.78);}
.footer-col ul a:hover{color:var(--lime-400);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:40px;height:40px;}
.footer-brand strong{display:block;font-size:17px;font-weight:800;color:#fff;line-height:1.25;}
.footer-brand em{font-style:normal;font-size:12px;color:rgba(255,255,255,.6);letter-spacing:.6px;}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:340px;}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;}
.footer-contact svg{width:17px;height:17px;flex:0 0 auto;margin-top:4px;fill:none;stroke:var(--lime-400);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:18px 0;display:flex;
  align-items:center;justify-content:space-between;gap:16px;font-size:13px;
  color:rgba(255,255,255,.6);flex-wrap:wrap;
}
.footer-links-inline{display:flex;gap:18px;flex-wrap:wrap;}
.footer-links-inline a{color:rgba(255,255,255,.7);}
.footer-links-inline a:hover{color:var(--lime-400);}
@media (max-width:991.98px){.footer-top{grid-template-columns:1fr 1fr;gap:28px;}}
@media (max-width:575.98px){
  .site-footer{padding-top:48px;}
  .footer-top{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --brand-900:#062A20;
  --brand-700:#0B4A34;
  --brand-500:#12734C;
  --lime-400:#B9F227;
  --flame-500:#FF6A2B;
  --bg:#F6F7F3;
  --surface:#FFFFFF;
  --surface-2:#EDF2EA;
  --line:#E2E6E0;
  --ink:#14211B;
  --muted:#5C6B63;
  --r-card:16px;
  --r-img:14px;
  --r-input:10px;
  --shadow-1:0 1px 2px rgba(6,42,32,.06);
  --shadow-2:0 8px 24px rgba(6,42,32,.08);
  --shadow-3:0 16px 40px rgba(6,42,32,.14);
  --bs-primary:#12734C;
  --bs-body-color:#14211B;
  --bs-body-bg:#F6F7F3;
  --bs-border-color:#E2E6E0;
  --bs-link-color:#12734C;
  --bs-link-hover-color:#0B4A34;
}
*,*::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","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease}
a:hover{color:var(--brand-500)}
button,input,select{font:inherit}
button{cursor:pointer}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;padding-inline:20px;margin-inline:auto}
@media (min-width:1400px){.container{max-width:1320px}}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-2)}
.topbar{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand-mark svg{width:36px;height:36px;display:block}
.brand-text strong{display:block;font-size:17px;font-weight:800;letter-spacing:.2px;line-height:1.2;color:var(--brand-900)}
.brand-text em{font-style:normal;font-size:12px;letter-spacing:.6px;color:var(--muted)}
.search{position:relative;flex:1;max-width:420px}
.search input{
  width:100%;height:42px;border-radius:var(--r-input);
  border:1px solid var(--line);background:var(--surface-2);
  padding:0 14px 0 40px;font-size:14px;color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.search input::placeholder{color:#8A968E}
.search input:focus{outline:none;border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(18,115,76,.12)}
.search .search-ico{
  position:absolute;left:13px;top:50%;transform:translateY(-50%);
  width:16px;height:16px;stroke:var(--muted);fill:none;stroke-width:1.8;stroke-linecap:round;
}
.header-cta{margin-left:auto;flex:none}
.btn-main,.btn-ghost,.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;font-size:15px;font-weight:700;border-radius:12px;
  border:1px solid transparent;line-height:1.2;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-main{background:var(--lime-400);color:var(--brand-900)}
.btn-main:hover{background:var(--brand-500);color:#fff}
.btn-ghost{background:#fff;color:var(--brand-500);border-color:var(--brand-500)}
.btn-ghost:hover{background:var(--surface-2);color:var(--brand-700)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-main:active,.btn-ghost:active,.btn-ghost-light:active{transform:translateY(1px)}
.btn-main[disabled],.btn-ghost[disabled]{opacity:.45;cursor:not-allowed}

.channel-scroll{
  display:flex;align-items:center;gap:8px;height:48px;
  overflow-x:auto;scroll-snap-type:x proximity;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-link{
  flex:none;scroll-snap-align:start;
  padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;
  color:var(--muted);white-space:nowrap;
}
.channel-link:hover{background:var(--surface-2);color:var(--brand-700)}
.channel-link.active{background:var(--lime-400);color:var(--brand-900)}

/* ============ 频道横幅 ============ */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background:var(--brand-900) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,42,32,.95) 0%,rgba(6,42,32,.82) 46%,rgba(11,74,52,.6) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(185,242,39,.08) 0 2px,transparent 2px 26px);
  opacity:.7;
}
.page-hero-inner{position:relative;z-index:2;padding:54px 0 56px;max-width:780px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px}
.crumb a:hover{color:var(--lime-400)}
.crumb .sep{color:rgba(255,255,255,.4)}
.page-hero h1{
  font-size:clamp(30px,4.2vw,42px);font-weight:800;line-height:1.28;
  letter-spacing:-.4px;margin-bottom:16px;
}
.page-hero h1 .hl{color:var(--lime-400)}
.page-hero .lead{font-size:16px;line-height:1.8;color:rgba(255,255,255,.82);max-width:640px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:13px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  color:rgba(255,255,255,.92);
}
.hero-tag b{color:var(--lime-400);font-weight:800}

/* ============ 板块通用 ============ */
.section{padding:72px 0}
.section-tight{padding:48px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.6vw,28px);font-weight:700;letter-spacing:-.2px;color:var(--brand-900)}
.section-head p{margin-top:8px;font-size:15px;color:var(--muted)}
.link-more{font-size:14px;font-weight:700;color:var(--brand-500);display:inline-flex;align-items:center;gap:6px}
.link-more i{font-size:12px;transition:transform .18s ease}
.link-more:hover i{transform:translateX(3px)}

/* ============ 分类布局 ============ */
.cat-layout{
  display:grid;grid-template-columns:280px minmax(0,1fr);
  gap:32px;align-items:start;padding:64px 0 8px;
}
.cat-side{
  position:sticky;top:132px;
  background:var(--surface);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:18px;
}
.cat-side h2{font-size:14px;font-weight:800;letter-spacing:.6px;color:var(--muted);margin-bottom:12px}
.cat-pill-list{display:grid;gap:6px}
.cat-pill{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  width:100%;padding:10px 14px;border-radius:10px;border:none;background:transparent;
  font-size:14px;font-weight:600;color:var(--muted);text-align:left;
  transition:background-color .18s ease,color .18s ease;
}
.cat-pill .cnt{font-size:12px;color:#98A29A;font-weight:700}
.cat-pill:hover{background:var(--surface-2);color:var(--brand-700)}
.cat-pill.active{background:var(--brand-900);color:var(--lime-400)}
.cat-pill.active .cnt{color:rgba(185,242,39,.75)}
.side-note{
  margin-top:16px;padding:14px;border-radius:12px;background:var(--surface-2);
  font-size:13px;line-height:1.7;color:var(--muted);
}
.side-note b{display:block;color:var(--brand-700);font-size:13px;margin-bottom:4px}

.gear-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.gear-card{
  display:flex;flex-direction:column;overflow:hidden;background:var(--surface);
  border-radius:var(--r-card);box-shadow:var(--shadow-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.gear-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3)}
.gear-media{
  position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);
}
.gear-media img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease-out}
.gear-card:hover .gear-media img{transform:scale(1.03)}
.gear-media.media-empty::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(135deg,rgba(18,115,76,.12) 0 50%,transparent 50%),
    radial-gradient(circle at 70% 40%,rgba(185,242,39,.35) 0 14px,transparent 14px),
    var(--surface-2);
}
.gear-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge-cat{
  align-self:flex-start;display:inline-flex;align-items:center;height:24px;
  padding:0 12px;border-radius:999px;font-size:12px;font-weight:700;
  background:var(--surface-2);color:var(--brand-500);
}
.badge-hot{background:var(--flame-500);color:#fff}
.badge-new{background:var(--brand-900);color:var(--lime-400)}
.gear-card h3{font-size:18px;font-weight:700;line-height:1.45;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.gear-card .desc{font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.gear-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--muted);
}
.gear-foot .arrow{color:var(--brand-500);font-weight:700;font-size:13px;display:inline-flex;align-items:center;gap:6px}
.gear-foot .arrow i{transition:transform .18s ease}
.gear-card:hover .gear-foot .arrow i{transform:translateX(3px)}

/* ============ 选型参考 ============ */
.spec-strip{background:var(--surface-2)}
.spec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.spec-item{background:var(--surface);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--shadow-1)}
.spec-num{
  display:block;font-size:44px;font-weight:800;line-height:1;letter-spacing:-1px;
  color:rgba(18,115,76,.16);-webkit-text-stroke:1.6px var(--brand-500);margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.spec-item h3{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--brand-900)}
.spec-item p{font-size:14px;color:var(--muted);line-height:1.8}

/* ============ 保障条 ============ */
.assure{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.assure-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.assure-item{display:flex;gap:16px;align-items:flex-start}
.assure-ico{
  width:48px;height:48px;flex:none;border-radius:14px;background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;color:var(--brand-500);font-size:20px;
}
.assure-item h3{font-size:16px;font-weight:700;margin-bottom:4px;color:var(--ink)}
.assure-item p{font-size:13px;color:var(--muted);line-height:1.7}

/* ============ CTA 长条 ============ */
.cta-band{
  position:relative;overflow:hidden;margin:72px 0;
  background:var(--brand-900);border-radius:20px;padding:38px 40px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(185,242,39,.08) 0 2px,transparent 2px 24px);
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);font-weight:800;letter-spacing:-.2px;margin-bottom:8px}
.cta-band p{font-size:14px;color:rgba(255,255,255,.78);line-height:1.8;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq .accordion-item{
  position:relative;background:var(--surface);border:none;border-radius:12px;
  box-shadow:var(--shadow-1);margin-bottom:10px;overflow:hidden;
}
.faq .accordion-button{
  width:100%;background:transparent;border:none;box-shadow:none;
  padding:18px 20px;font-size:16px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
}
.faq .accordion-button:not(.collapsed){color:var(--brand-700);background:var(--surface-2)}
.faq .accordion-button::after{
  content:"+";background-image:none;width:auto;height:auto;flex:none;
  font-size:20px;font-weight:700;line-height:1;color:var(--brand-500);
  display:inline-flex;align-items:center;justify-content:center;
  transform:none;transition:transform .2s ease;
}
.faq .accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg)}
.faq .accordion-body{padding:16px 20px 20px;font-size:15px;line-height:1.8;color:var(--muted)}
.faq .accordion-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--lime-400);transform:scaleY(0);transform-origin:top;
  transition:transform .2s ease;
}
.faq .accordion-item:has(.accordion-button:not(.collapsed))::before{transform:scaleY(1)}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:64px 0 24px;margin-top:24px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px;font-size:14px}
.footer-col a{color:rgba(255,255,255,.78)}
.footer-col a:hover{color:var(--lime-400)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark svg{width:34px;height:34px}
.footer-brand strong{display:block;color:#fff;font-size:16px;font-weight:800;line-height:1.2}
.footer-brand em{font-style:normal;font-size:12px;letter-spacing:.6px;color:rgba(255,255,255,.6)}
.footer-col p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.7);max-width:320px}
.footer-contact li{display:flex;gap:9px;align-items:flex-start;font-size:14px}
.footer-contact svg{width:16px;height:16px;flex:none;margin-top:5px;stroke:var(--lime-400);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.footer-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-links-inline{display:flex;gap:18px;flex-wrap:wrap}
.footer-links-inline a{color:rgba(255,255,255,.7)}
.footer-links-inline a:hover{color:var(--lime-400)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .gear-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:991.98px){
  .topbar{height:64px;gap:14px}
  .search{max-width:280px}
  .cat-layout{grid-template-columns:1fr;gap:22px;padding:44px 0 8px}
  .cat-side{position:static;padding:14px}
  .cat-pill-list{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
  .cat-pill-list::-webkit-scrollbar{display:none}
  .cat-pill{width:auto;white-space:nowrap;border-radius:999px;background:var(--surface-2);color:var(--brand-700);padding:9px 16px}
  .cat-pill .cnt{display:none}
  .side-note{display:none}
  .gear-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .spec-grid{grid-template-columns:1fr 1fr}
  .assure-grid{grid-template-columns:1fr 1fr}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:56px 0}
  .cta-band{padding:30px 26px;margin:56px 0}
}
@media (max-width:767.98px){
  .search{display:none}
  .brand-text em{display:none}
  .topbar{height:60px}
  .brand-mark svg{width:32px;height:32px}
  .brand-text strong{font-size:16px}
  .header-cta{padding:10px 16px;font-size:14px}
  .page-hero-inner{padding:42px 0 44px}
  .page-hero .lead{font-size:15px}
  .section{padding:48px 0}
  .spec-grid{grid-template-columns:1fr}
  .assure-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .cta-band{margin:48px 0;padding:26px 22px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575.98px){
  .gear-grid{grid-template-columns:1fr}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .cta-actions .btn-main,.cta-actions .btn-ghost-light{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
/* ============ 设计令牌 ============ */
:root{
  --brand-900:#062A20;
  --brand-700:#0B4A34;
  --brand-500:#12734C;
  --lime-400:#B9F227;
  --flame-500:#FF6A2B;
  --bg:#F6F7F3;
  --surface:#FFFFFF;
  --surface-2:#EDF2EA;
  --line:#E2E6E0;
  --ink:#14211B;
  --muted:#5C6B63;
  --r-card:16px;
  --r-img:14px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(6,42,32,.06);
  --sh-2:0 8px 24px rgba(6,42,32,.08);
  --sh-3:0 16px 40px rgba(6,42,32,.14);
  --bs-primary:#12734C;
  --bs-primary-rgb:18,115,76;
  --bs-body-color:#14211B;
  --bs-body-bg:#F6F7F3;
  --bs-link-color:#12734C;
  --bs-link-hover-color:#0B4A34;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease}
button,input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.2px}
p{margin:0}
:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1400px){.container{max-width:1320px}}
/* ============ 按钮体系 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;font-size:15px;font-weight:700;line-height:1.2;
  border-radius:12px;border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary-lime{background:var(--lime-400);color:var(--brand-900);border-radius:var(--r-pill)}
.btn-primary-lime:hover{background:var(--brand-500);color:#fff;box-shadow:var(--sh-2)}
.btn-outline{background:var(--surface);color:var(--brand-500);border-color:var(--brand-500);border-radius:12px}
.btn-outline:hover{background:var(--surface-2);color:var(--brand-700)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);border-radius:var(--r-pill)}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}
/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(246,247,243,.94);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:background .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.site-header.is-stuck{background:rgba(6,42,32,.97);border-bottom-color:rgba(255,255,255,.1);box-shadow:var(--sh-2)}
.topbar{height:72px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{width:40px;height:40px;flex:0 0 40px;display:block}
.brand-mark svg{width:100%;height:100%;display:block;transition:filter .22s ease}
.brand-text strong{display:block;font-size:17px;font-weight:800;letter-spacing:-.2px;color:var(--brand-900);transition:color .22s ease}
.brand-text em{display:block;font-style:normal;font-size:12px;letter-spacing:1.4px;color:var(--muted);transition:color .22s ease}
.nav-search{position:relative;flex:1 1 auto;max-width:420px;margin-left:auto}
.nav-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:17px;height:17px;fill:none;stroke:var(--muted);stroke-width:1.8;stroke-linecap:round}
.nav-search input{
  width:100%;height:44px;border-radius:var(--r-input);border:1px solid var(--line);
  background:var(--surface-2);padding:0 16px 0 42px;font-size:14.5px;color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
}
.nav-search input::placeholder{color:var(--muted)}
.nav-search input:focus{outline:none;border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(18,115,76,.14)}
.topbar-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.topbar-actions .btn{padding:11px 20px;font-size:14.5px}
.site-header.is-stuck .brand-text strong{color:#fff}
.site-header.is-stuck .brand-text em{color:rgba(255,255,255,.62)}
.site-header.is-stuck .brand-mark svg{filter:brightness(0) invert(1) opacity(.92)}
.site-header.is-stuck .nav-search input{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.2);color:#fff}
.site-header.is-stuck .nav-search input::placeholder{color:rgba(255,255,255,.6)}
.site-header.is-stuck .nav-search svg{stroke:rgba(255,255,255,.72)}
.channel-wrap{border-top:1px solid transparent}
.site-header.is-stuck .channel-wrap{border-top-color:rgba(255,255,255,.08)}
.channel-scroll{
  height:48px;display:flex;align-items:center;gap:8px;
  overflow-x:auto;overflow-y:hidden;
  scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-link{
  flex:0 0 auto;scroll-snap-align:start;
  padding:8px 16px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:var(--muted);white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.channel-link:hover{background:var(--surface-2);color:var(--brand-700)}
.channel-link.active{background:var(--lime-400);color:var(--brand-900)}
.site-header.is-stuck .channel-link{color:rgba(255,255,255,.74)}
.site-header.is-stuck .channel-link:hover{background:rgba(255,255,255,.12);color:#fff}
.site-header.is-stuck .channel-link.active{background:var(--lime-400);color:var(--brand-900)}
/* ============ 分类页 Hero ============ */
.hero-cat{position:relative;overflow:hidden;background:var(--brand-900);color:#fff}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.5;
}
.hero-cat::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,42,32,.95) 0%,rgba(6,42,32,.78) 52%,rgba(6,42,32,.55) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  padding:72px 20px 80px;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(185,242,39,.16);color:var(--lime-400);
  font-size:13px;font-weight:700;letter-spacing:.6px;
}
.hero-copy h1{
  margin-top:20px;
  font-size:clamp(30px,4vw,46px);font-weight:800;line-height:1.22;letter-spacing:-.5px;color:#fff;
}
.hero-copy p{margin-top:18px;max-width:560px;font-size:16.5px;line-height:1.8;color:rgba(255,255,255,.82)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:36px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16)}
.hero-stats li{display:flex;flex-direction:column}
.hero-stats strong{font-size:22px;font-weight:800;color:var(--lime-400);font-variant-numeric:tabular-nums;letter-spacing:-.3px}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.68);margin-top:2px}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:20px;box-shadow:var(--sh-3);
  border:1px solid rgba(255,255,255,.14);
}
.hero-media-badge{
  position:absolute;left:18px;bottom:18px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(6,42,32,.82);color:var(--lime-400);
  font-size:12.5px;font-weight:700;letter-spacing:.5px;
  border:1px solid rgba(185,242,39,.4);
}
/* ============ 通用板块 ============ */
.section{padding:84px 0}
.section-alt{background:var(--surface-2)}
.section-head{max-width:680px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;margin-bottom:12px;
  font-size:13px;font-weight:700;letter-spacing:1.6px;color:var(--brand-500);
  text-transform:uppercase;
}
.section-head h2{font-size:clamp(23px,2.6vw,28px);font-weight:700;line-height:1.35;color:var(--brand-900)}
.section-head p{margin-top:12px;font-size:15.5px;color:var(--muted)}
/* ============ 数据速览 ============ */
.stat-strip{margin-top:-42px;position:relative;z-index:3}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{
  background:var(--surface);border-radius:var(--r-card);padding:22px 22px 20px;
  box-shadow:var(--sh-2);border:1px solid var(--line);
  transition:transform .18s ease,box-shadow .18s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.stat-card .stat-num{
  display:block;font-size:30px;font-weight:800;line-height:1.1;color:var(--brand-500);
  font-variant-numeric:tabular-nums;letter-spacing:-.6px;
}
.stat-card .stat-label{display:block;margin-top:10px;font-size:15px;font-weight:700;color:var(--brand-900)}
.stat-card p{margin-top:6px;font-size:13px;line-height:1.65;color:var(--muted)}
.stat-card.is-alert .stat-num{color:var(--flame-500)}
.stat-badge{
  display:inline-block;margin-left:8px;vertical-align:3px;
  padding:2px 9px;border-radius:var(--r-pill);
  background:var(--flame-500);color:#fff;font-size:11.5px;font-weight:700;
}
/* ============ 分组清单 ============ */
.group-block{margin-bottom:52px}
.group-block:last-child{margin-bottom:0}
.group-title{
  display:flex;align-items:center;gap:16px;
  font-size:20px;font-weight:700;color:var(--brand-900);
  padding-bottom:16px;border-bottom:1px solid var(--line);
}
.group-index{
  font-size:26px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px var(--brand-500);
  font-variant-numeric:tabular-nums;
  position:relative;padding-bottom:4px;
}
.group-index::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:3px;border-radius:2px;background:var(--lime-400);
}
.group-list{margin-top:6px}
.group-item{
  display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;
  padding:20px 0;border-bottom:1px solid var(--line);
  transition:padding-left .18s ease;
}
.group-item:hover{padding-left:8px}
.item-body h4{
  font-size:17px;font-weight:700;color:var(--brand-900);
  display:flex;align-items:center;gap:10px;
}
.item-body h4::before{
  content:"";width:4px;height:16px;border-radius:2px;background:var(--lime-400);flex:0 0 4px;
}
.item-body p{margin-top:8px;font-size:14.5px;line-height:1.7;color:var(--muted);max-width:760px}
.item-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--brand-500);white-space:nowrap;
}
.item-link span{transition:transform .18s ease}
.item-link:hover{color:var(--brand-700)}
.item-link:hover span{transform:translateX(4px)}
/* ============ 图文交替 ============ */
.zigzag{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.zigzag + .zigzag{margin-top:72px}
.zz-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-card);box-shadow:var(--sh-2);
  transition:transform .25s ease;
}
.zz-media:hover img{transform:scale(1.02)}
.zz-copy h2{font-size:clamp(22px,2.4vw,27px);font-weight:700;line-height:1.4;color:var(--brand-900)}
.zz-copy > p{margin-top:14px;font-size:15.5px;line-height:1.8;color:var(--muted)}
.bullet-list{margin-top:22px}
.bullet-list li{
  position:relative;padding-left:26px;margin-bottom:12px;
  font-size:15px;line-height:1.75;color:var(--ink);
}
.bullet-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:10px;height:10px;border-radius:3px;background:var(--lime-400);
}
.bullet-list li strong{font-weight:700;color:var(--brand-900)}
.zz-copy .btn{margin-top:26px}
.zigzag.reverse .zz-media{order:2}
/* ============ FAQ ============ */
.faq-accordion{max-width:860px;margin:0 auto}
.faq-accordion .accordion-item{
  border:none;background:var(--surface);border-radius:12px;margin-bottom:10px;
  box-shadow:var(--sh-1);overflow:hidden;
  transition:box-shadow .18s ease;
}
.faq-accordion .accordion-item:hover{box-shadow:var(--sh-2)}
.faq-accordion .accordion-button{
  background:transparent;border:none;box-shadow:none;
  padding:20px 24px 20px 26px;
  font-size:16px;font-weight:600;color:var(--brand-900);
  display:flex;align-items:center;gap:14px;
}
.faq-accordion .accordion-button::before{
  content:"";width:4px;height:20px;border-radius:2px;background:var(--line);
  flex:0 0 4px;transition:background .18s ease;
}
.faq-accordion .accordion-button:not(.collapsed){font-weight:700;background:rgba(237,242,234,.55)}
.faq-accordion .accordion-button:not(.collapsed)::before{background:var(--lime-400)}
.faq-accordion .accordion-button::after{
  content:"+";background-image:none;
  width:26px;height:26px;flex:0 0 26px;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:700;line-height:1;color:var(--brand-500);
  transform:none;transition:transform .2s ease,color .2s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg);color:var(--brand-700)}
.faq-accordion .accordion-button:focus{box-shadow:none}
.faq-accordion .accordion-body{
  padding:0 26px 22px 44px;font-size:15px;line-height:1.85;color:var(--muted);
}
/* ============ CTA 长条 ============ */
.cta-band{
  background:var(--brand-900);position:relative;overflow:hidden;
  border-radius:20px;margin:0 0 84px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(185,242,39,.09) 0 2px,transparent 2px 22px);
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  padding:48px 44px;
}
.cta-inner h2{font-size:clamp(21px,2.3vw,26px);font-weight:700;color:#fff}
.cta-inner p{margin-top:10px;max-width:560px;font-size:15px;line-height:1.75;color:rgba(255,255,255,.76)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.76);padding:64px 0 0}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:44px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.4px}
.footer-col ul li{margin-bottom:12px;font-size:14.5px;line-height:1.7}
.footer-col ul li a{color:rgba(255,255,255,.76)}
.footer-col ul li a:hover{color:var(--lime-400)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{width:38px;height:38px;flex:0 0 38px}
.footer-brand strong{display:block;font-size:17px;font-weight:800;color:#fff}
.footer-brand em{display:block;font-style:normal;font-size:12px;letter-spacing:1.4px;color:rgba(255,255,255,.58)}
.footer-col > p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:330px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px}
.footer-contact svg{width:16px;height:16px;flex:0 0 16px;margin-top:5px;fill:none;stroke:var(--lime-400);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13.5px;color:rgba(255,255,255,.62);
}
.footer-links-inline{display:flex;flex-wrap:wrap;gap:18px}
.footer-links-inline a{color:rgba(255,255,255,.72)}
.footer-links-inline a:hover{color:var(--lime-400)}
/* ============ 响应式 ============ */
@media (max-width:1199px){
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1.4fr 1fr 1.3fr}
}
@media (max-width:991px){
  .topbar{height:64px;gap:16px}
  .nav-search{max-width:none}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:56px 20px 64px}
  .hero-media{order:-1}
  .zigzag{grid-template-columns:1fr;gap:28px}
  .zigzag.reverse .zz-media{order:0}
  .zigzag + .zigzag{margin-top:56px}
  .section{padding:64px 0}
  .cta-inner{padding:36px 28px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .nav-search{display:none}
  .topbar-actions .btn{padding:9px 16px;font-size:13.5px}
  .brand-text strong{font-size:15.5px}
  .brand-text em{font-size:11px;letter-spacing:1px}
  .channel-scroll{height:46px}
  .section{padding:52px 0}
  .stat-strip{margin-top:-32px}
  .stat-grid{grid-template-columns:1fr;gap:14px}
  .stat-card{padding:18px}
  .cta-band{margin-bottom:56px;border-radius:16px}
  .cta-inner{padding:30px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-top{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-col > p{max-width:none}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .group-item{grid-template-columns:1fr;gap:10px}
  .group-item:hover{padding-left:0}
  .faq-accordion .accordion-body{padding-left:26px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}