/* roulang page: index */
:root{
  --brand:#0E9F8A;
  --brand-dark:#087266;
  --brand-light:#E6F6F2;
  --lime:#D9F24A;
  --warm:#FF6B3D;
  --bg:#F5F6F2;
  --surface:#FFFFFF;
  --surface-2:#E9EEE8;
  --dark:#0D1714;
  --ink:#13201B;
  --muted:#5C6B64;
  --line:rgba(19,32,27,.12);
  --line-soft:rgba(19,32,27,.07);
  --r-card:18px;
  --r-btn:999px;
  --r-input:12px;
  --sh:0 8px 24px rgba(13,23,20,.06);
  --sh-hover:0 16px 40px rgba(13,23,20,.12);
  --nav-h:66px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand-dark);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{color:var(--ink);font-weight:800;line-height:1.28;letter-spacing:-.01em;margin:0;}
p{margin:0 0 1.15em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(14,159,138,.35);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:1320px;margin:0 auto;padding:0 32px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:2000;}
.skip-link:focus{left:0;color:#fff;}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(245,246,242,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(13,23,20,.08);}
.nav-inner{
  display:grid;grid-template-columns:repeat(12,1fr);gap:24px;
  align-items:center;min-height:var(--nav-h);
}
.nav-left{grid-column:1 / 7;display:flex;align-items:center;gap:22px;min-width:0;}
.nav-right{grid-column:9 / 13;display:flex;align-items:center;justify-content:flex-end;gap:12px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);
  display:grid;place-items:center;color:#fff;font-size:15px;font-weight:800;
  box-shadow:0 6px 16px rgba(14,159,138,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:15.5px;font-weight:800;color:var(--ink);white-space:nowrap;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.14em;text-transform:uppercase;}
.nav-menu{display:flex;align-items:center;gap:4px;min-width:0;flex-wrap:nowrap;}
.nav-link-x{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:9px 12px;border-radius:10px;
  font-size:14px;font-weight:600;color:var(--muted);white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-link-x:hover{color:var(--ink);background:var(--surface-2);}
.nav-link-x.active{color:var(--brand-dark);}
.nav-link-x.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  border-radius:2px;background:var(--brand);
}
.nav-drop{position:relative;}
.nav-drop-menu{
  position:absolute;top:calc(100% + 10px);right:0;min-width:196px;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--sh-hover);padding:8px;display:none;
}
.nav-drop:hover .nav-drop-menu,.nav-drop:focus-within .nav-drop-menu{display:block;}
.nav-drop-menu a{display:block;padding:9px 12px;border-radius:9px;font-size:14px;font-weight:600;color:var(--muted);}
.nav-drop-menu a:hover{background:var(--surface-2);color:var(--ink);}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search i{position:absolute;left:14px;font-size:13px;color:var(--muted);pointer-events:none;}
.nav-search input{
  width:158px;height:44px;padding:0 14px 0 36px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:var(--surface);color:var(--ink);
  font-size:14px;transition:width .28s ease,border-color .2s ease,box-shadow .2s ease;
}
.nav-search input::placeholder{color:#93a09a;}
.nav-search input:focus{outline:none;width:210px;border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,159,138,.14);}
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-sm-x{height:44px;padding:0 20px;font-size:14px;}
.btn-primary-x{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(14,159,138,.24);}
.btn-primary-x:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(14,159,138,.28);}
.btn-primary-x:active{transform:translateY(0);}
.btn-ghost-x{background:transparent;color:var(--brand-dark);border-color:var(--brand);}
.btn-ghost-x:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.btn-lime-x{background:var(--lime);color:#0D1714;}
.btn-lime-x:hover{background:#e6fa6d;color:#0D1714;transform:translateY(-2px);}
.btn-outline-light-x{background:transparent;color:#E9EEE8;border-color:rgba(233,238,232,.42);}
.btn-outline-light-x:hover{background:rgba(233,238,232,.12);color:#fff;border-color:#E9EEE8;transform:translateY(-2px);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);font-size:16px;cursor:pointer;
}
.nav-drawer{
  display:none;border-top:1px solid var(--line);background:var(--surface);
  padding:14px 0 20px;
}
.nav-drawer.open{display:block;}
.nav-drawer a{
  display:block;padding:12px 4px;font-size:15px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line-soft);
}
.nav-drawer a:last-of-type{border-bottom:0;}
.nav-drawer .drawer-cta{margin-top:14px;width:100%;}

/* ============ HERO ============ */
.hero{position:relative;padding:56px 0 72px;}
.hero-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;min-height:640px;}
.hero-copy{grid-column:1 / 7;padding-top:14px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-light);color:var(--brand-dark);
  border-radius:var(--r-btn);padding:7px 16px;font-size:13px;font-weight:700;
  margin-bottom:22px;
}
.hero-eyebrow i{font-size:11px;}
.hero h1{
  font-size:clamp(30px,4.6vw,54px);font-weight:900;letter-spacing:-.02em;
  line-height:1.22;margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--brand-dark);}
.hero-sub{font-size:17px;color:var(--muted);max-width:520px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag-x{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:var(--r-btn);
  background:var(--surface);border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--muted);
}
.tag-x i{color:var(--brand);font-size:11px;}
.tag-x.warm{background:rgba(255,107,61,.1);border-color:rgba(255,107,61,.24);color:#B3401A;}
.tag-x.warm i{color:var(--warm);}
.tag-x.lime{background:rgba(217,242,74,.32);border-color:rgba(217,242,74,.6);color:#4A5A12;}
.tag-x.lime i{color:#7C8F16;}
.hero-visual{
  grid-column:8 / 13;position:relative;border-radius:22px;overflow:hidden;
  aspect-ratio:4/3.2;box-shadow:var(--sh-hover);background:var(--dark);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,23,20,0) 38%,rgba(13,23,20,.62) 100%);
}
.hero-badge{
  position:absolute;left:24px;bottom:24px;z-index:2;
  display:flex;align-items:center;gap:12px;
  background:rgba(13,23,20,.72);border:1px solid rgba(233,238,232,.18);
  border-radius:14px;padding:12px 18px;color:#E9EEE8;
}
.hero-badge strong{display:block;font-size:15px;color:#fff;line-height:1.3;}
.hero-badge span{font-size:12.5px;color:#B9C4BE;}
.hero-badge .dot{width:9px;height:9px;border-radius:50%;background:var(--lime);flex:0 0 auto;box-shadow:0 0 0 4px rgba(217,242,74,.22);}
.scroll-hint{
  display:flex;align-items:center;gap:8px;justify-content:center;
  margin-top:34px;font-size:13px;color:var(--muted);letter-spacing:.05em;
}
.scroll-hint i{animation:bob 1.9s ease-in-out infinite;}
@keyframes bob{0%,100%{transform:translateY(0);}50%{transform:translateY(5px);}}

/* ============ METRIC BAND ============ */
.metric-band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 0;}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.metric{padding-left:18px;border-left:3px solid var(--brand-light);}
.metric:nth-child(2){border-left-color:rgba(217,242,74,.75);}
.metric:nth-child(3){border-left-color:rgba(255,107,61,.5);}
.metric:nth-child(4){border-left-color:rgba(14,159,138,.45);}
.metric b{display:block;font-size:26px;font-weight:900;color:var(--brand-dark);line-height:1.2;}
.metric span{font-size:13.5px;color:var(--muted);}

/* ============ SECTION ============ */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;}
.section-head .sh-text{max-width:680px;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--brand-dark);letter-spacing:.14em;text-transform:uppercase;margin-bottom:12px;
}
.section-kicker::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px;}
.section-head h2{font-size:clamp(24px,3.1vw,38px);font-weight:900;}
.section-head p{color:var(--muted);font-size:15.5px;margin:12px 0 0;}
.head-link{font-size:14.5px;font-weight:700;color:var(--brand-dark);white-space:nowrap;display:inline-flex;align-items:center;gap:7px;}
.head-link:hover{gap:11px;}

/* ============ HORIZONTAL SLIDER ============ */
.slider-shell{position:relative;}
.slider-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 22px;scrollbar-width:none;-ms-overflow-style:none;
}
.slider-track::-webkit-scrollbar{display:none;}
.slide-card{
  flex:0 0 312px;scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);transition:transform .28s ease,box-shadow .28s ease;
}
.slide-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.slide-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.slide-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.slide-card:hover .slide-cover img{transform:scale(1.05);}
.slide-cover .chip{position:absolute;left:12px;top:12px;}
.slide-body{padding:18px 20px 22px;}
.slide-body h3{font-size:17px;margin-bottom:9px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.slide-body p{font-size:14px;color:var(--muted);margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.slide-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);}
.slide-meta a{font-weight:700;color:var(--brand-dark);}
.slider-nav{display:flex;gap:10px;}
.slider-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);cursor:pointer;display:grid;place-items:center;
  font-size:14px;transition:all .22s ease;
}
.slider-btn:hover{background:var(--brand);color:#fff;border-color:var(--brand);}

/* ============ CHIPS ============ */
.chip{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-btn);
  background:var(--brand-light);color:var(--brand-dark);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.chip.warm{background:rgba(255,107,61,.12);color:#B3401A;}
.chip.lime{background:rgba(217,242,74,.42);color:#4E5F13;}
.chip.plain{background:var(--surface-2);color:var(--muted);}

/* ============ HOT / RANKING ============ */
.hot-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.hot-feature{
  grid-column:1 / 8;position:relative;border-radius:22px;overflow:hidden;
  min-height:420px;display:flex;align-items:flex-end;
  background:var(--dark);box-shadow:var(--sh);
}
.hot-feature img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.hot-feature:hover img{transform:scale(1.04);}
.hot-feature::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(13,23,20,.14) 0%,rgba(13,23,20,.86) 82%);
}
.hot-feature-inner{position:relative;z-index:2;padding:36px 40px;color:#E9EEE8;max-width:640px;}
.hot-feature-inner h3{color:#fff;font-size:clamp(22px,2.4vw,30px);margin:14px 0 12px;}
.hot-feature-inner p{color:#C6D1CB;font-size:15px;margin-bottom:22px;}
.hot-rank{grid-column:8 / 13;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);padding:12px;display:flex;flex-direction:column;}
.hot-rank h3{font-size:17px;padding:14px 14px 6px;}
.hot-rank-list{display:flex;flex-direction:column;flex:1;}
.rank-item{
  display:flex;align-items:center;gap:16px;padding:14px;
  border-radius:14px;transition:background .2s ease;
}
.rank-item:hover{background:var(--surface-2);}
.rank-num{font-size:28px;font-weight:900;color:var(--brand);line-height:1;min-width:44px;font-variant-numeric:tabular-nums;}
.rank-item:nth-child(1) .rank-num{color:var(--warm);}
.rank-item:nth-child(2) .rank-num{color:var(--brand-dark);}
.rank-item:nth-child(3) .rank-num{color:#8FA81C;}
.rank-info{min-width:0;flex:1;}
.rank-info strong{display:block;font-size:15px;font-weight:700;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.rank-info span{font-size:12.5px;color:var(--muted);}
.rank-arrow{color:var(--muted);font-size:13px;transition:transform .22s ease,color .22s ease;}
.rank-item:hover .rank-arrow{transform:translateX(4px);color:var(--brand);}

/* ============ CATEGORY MOSAIC ============ */
.cat-mosaic{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.cat-card{
  position:relative;border-radius:20px;overflow:hidden;min-height:250px;
  display:flex;flex-direction:column;justify-content:flex-end;
  background:var(--dark);box-shadow:var(--sh);transition:transform .3s ease,box-shadow .3s ease;
}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--sh-hover);}
.cat-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.cat-card:hover img{transform:scale(1.06);}
.cat-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,23,20,.28) 0%,rgba(13,23,20,.86) 100%);
  transition:background .3s ease;
}
.cat-card:hover::after{background:linear-gradient(180deg,rgba(13,23,20,.42) 0%,rgba(13,23,20,.92) 100%);}
.cat-card-body{position:relative;z-index:2;padding:24px 26px;color:#E9EEE8;}
.cat-card-body h3{color:#fff;font-size:20px;margin:10px 0 8px;}
.cat-card-body p{font-size:14px;color:#BCC7C1;margin:0;}
.cat-go{
  position:absolute;right:22px;bottom:22px;z-index:2;
  width:40px;height:40px;border-radius:50%;
  background:rgba(217,242,74,.92);color:#0D1714;display:grid;place-items:center;
  font-size:14px;transition:transform .28s ease,background .28s ease;
}
.cat-card:hover .cat-go{transform:translateX(5px);background:var(--lime);}
.cat-6{grid-column:span 6;min-height:288px;}
.cat-4{grid-column:span 4;}

/* ============ NEWS LIST ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);overflow:hidden;transition:transform .28s ease,box-shadow .28s ease;
  display:flex;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.news-mark{width:6px;flex:0 0 6px;background:linear-gradient(180deg,var(--brand) 0%,var(--brand-dark) 100%);}
.news-card:nth-child(3n+2) .news-mark{background:linear-gradient(180deg,#A9C22B 0%,#7C8F16 100%);}
.news-card:nth-child(3n+3) .news-mark{background:linear-gradient(180deg,var(--warm) 0%,#C24A22 100%);}
.news-link{display:block;padding:24px 24px 22px;color:inherit;flex:1;min-width:0;}
.news-link:hover{color:inherit;}
.news-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;}
.news-top time{font-size:12.5px;color:var(--muted);}
.news-card h3{
  font-size:17.5px;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{font-size:14.5px;color:var(--muted);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-more{font-size:13.5px;font-weight:700;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px;}
.news-empty{
  grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;gap:12px;
  padding:64px 24px;background:var(--surface);border:1px dashed var(--line);
  border-radius:var(--r-card);color:var(--muted);font-size:15px;
}
.news-empty i{font-size:26px;color:var(--brand);}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.faq-side{grid-column:1 / 5;}
.faq-side h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.faq-side p{color:var(--muted);font-size:15.5px;}
.faq-side .faq-help{
  margin-top:22px;background:var(--brand-light);border-radius:16px;padding:20px 22px;
  border:1px solid rgba(14,159,138,.18);
}
.faq-side .faq-help strong{display:block;font-size:15px;margin-bottom:6px;color:var(--brand-dark);}
.faq-side .faq-help span{font-size:14px;color:var(--muted);}
.faq-list{grid-column:5 / 13;}
.accordion-item{
  background:var(--surface);border:1px solid var(--line);border-radius:14px !important;
  margin-bottom:12px;overflow:hidden;
}
.accordion-button{
  background:transparent;color:var(--ink);font-size:16.5px;font-weight:700;
  padding:19px 22px;border:0;box-shadow:none !important;
}
.accordion-button:not(.collapsed){color:var(--brand-dark);background:var(--brand-light);}
.accordion-button::after{
  width:16px;height:16px;background-size:16px;
  filter:invert(46%) sepia(48%) saturate(1420%) hue-rotate(130deg) brightness(92%) contrast(88%);
}
.accordion-body{padding:6px 22px 22px;font-size:15.5px;color:var(--muted);border-top:1px solid var(--line-soft);}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:4px solid var(--brand);}

/* ============ CTA ============ */
.cta-band{background:var(--dark);border-radius:26px;padding:58px 56px;position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,159,138,.42) 0%,rgba(14,159,138,0) 70%);
}
.cta-band::after{
  content:"";position:absolute;left:-90px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,242,74,.2) 0%,rgba(217,242,74,0) 70%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:clamp(23px,2.6vw,32px);margin-bottom:12px;}
.cta-inner p{color:#BCC7C1;font-size:15.5px;margin:0;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ FOOTER ============ */
.site-footer{background:var(--dark);color:#E9EEE8;padding:72px 0 30px;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;padding-bottom:44px;border-bottom:1px solid rgba(233,238,232,.14);}
.f-brand{grid-column:1 / 5;}
.f-col{grid-column:span 3;}
.f-brand .brand-name{color:#fff;font-size:17px;}
.f-brand .brand-sub{color:#7E8C86;}
.f-brand p{color:#9DA9A3;font-size:14px;margin:18px 0 0;max-width:340px;}
.f-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700;}
.f-col li{margin-bottom:11px;}
.f-col a{color:#9DA9A3;font-size:14px;}
.f-col a:hover{color:var(--lime);}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:26px;flex-wrap:wrap;}
.footer-bottom p{margin:0;font-size:13.5px;color:#7E8C86;}
.to-top{
  width:44px;height:44px;border-radius:50%;border:1px solid rgba(233,238,232,.24);
  background:transparent;color:#E9EEE8;cursor:pointer;display:grid;place-items:center;
  transition:all .24s ease;
}
.to-top:hover{background:var(--lime);color:#0D1714;border-color:var(--lime);transform:translateY(-3px);}

/* ============ RESPONSIVE ============ */
@media (max-width:1200px){
  .nav-search input{width:132px;}
  .nav-left{gap:14px;}
  .nav-link-x{padding:9px 9px;font-size:13.5px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .wrap{padding:0 20px;}
  .nav-inner{height:60px;min-height:60px;}
  .nav-left{grid-column:1 / 9;}
  .nav-menu{display:none;}
  .nav-search{display:none;}
  .nav-right{grid-column:9 / 13;}
  .nav-toggle{display:grid;place-items:center;}
  .btn-sm-x{display:none;}
  .hero{padding:34px 0 52px;}
  .hero-grid{min-height:auto;}
  .hero-copy{grid-column:1 / 13;}
  .hero-visual{grid-column:1 / 13;aspect-ratio:16/10;margin-top:10px;}
  .hero h1{font-size:clamp(28px,7vw,40px);}
  .metric-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .section{padding:64px 0;}
  .hot-feature{grid-column:1 / 13;min-height:340px;}
  .hot-rank{grid-column:1 / 13;}
  .cat-6,.cat-4{grid-column:span 6;}
  .faq-side{grid-column:1 / 13;}
  .faq-list{grid-column:1 / 13;}
  .f-brand{grid-column:1 / 13;}
  .f-col{grid-column:span 6;}
  .cta-band{padding:42px 30px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .news-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .section{padding:52px 0;}
  .slide-card{flex:0 0 262px;}
  .hot-feature-inner{padding:26px 24px;}
  .cat-6,.cat-4{grid-column:1 / 13;min-height:220px;}
  .slider-nav{display:none;}
}
@media (max-width:575px){
  .wrap{padding:0 16px;}
  .brand-name{font-size:14px;white-space:normal;line-height:1.2;}
  .hero-actions .btn-x{width:100%;}
  .metric-grid{grid-template-columns:1fr;}
  .hero-visual{aspect-ratio:4/3;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --brand:#0E9F8A;
  --brand-dark:#087266;
  --brand-light:#E6F6F2;
  --lime:#D9F24A;
  --orange:#FF6B3D;
  --bg:#F5F6F2;
  --surface:#FFFFFF;
  --surface-2:#E9EEE8;
  --deep:#0D1714;
  --ink:#13201B;
  --muted:#5C6B64;
  --line:rgba(19,32,27,.12);
  --radius-card:18px;
  --radius-pill:999px;
  --radius-input:12px;
  --shadow-1:0 8px 24px rgba(13,23,20,.06);
  --shadow-2:0 16px 40px rgba(13,23,20,.12);
  --maxw:1320px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,opacity .22s ease;}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(14,159,138,.4);outline-offset:2px;border-radius:6px;}

.wrap{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 32px;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(245,246,242,.95);
  backdrop-filter:saturate(160%) blur(6px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:68px;
}
.nav-left{display:flex;align-items:center;gap:30px;min-width:0;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  color:#fff;
  font-weight:800;
  font-size:17px;
  letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(14,159,138,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:15px;font-weight:800;color:var(--ink);white-space:nowrap;}
.brand-sub{font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);}
.nav-menu{display:flex;align-items:center;gap:2px;}
.nav-link-x{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 13px;
  border-radius:var(--radius-pill);
  font-size:14.5px;
  font-weight:500;
  color:var(--ink);
  white-space:nowrap;
}
.nav-link-x:hover{background:var(--surface-2);color:var(--brand-dark);}
.nav-link-x.active{background:var(--brand-light);color:var(--brand-dark);font-weight:700;}
.nav-drop{position:relative;}
.nav-drop-menu{
  position:absolute;
  top:calc(100% + 10px);
  left:0;
  min-width:210px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--shadow-2);
  padding:8px;
  display:flex;
  flex-direction:column;
  opacity:0;
  visibility:hidden;
  transform:translateY(-6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.nav-drop:hover .nav-drop-menu,
.nav-drop:focus-within .nav-drop-menu{opacity:1;visibility:visible;transform:translateY(0);}
.nav-drop-menu a{
  padding:9px 12px;
  border-radius:10px;
  font-size:14px;
  color:var(--muted);
}
.nav-drop-menu a:hover{background:var(--surface-2);color:var(--brand-dark);}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:42px;
  padding:0 14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  color:var(--muted);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,159,138,.14);}
.nav-search input{
  border:none;background:transparent;outline:none;
  font-size:14px;color:var(--ink);width:138px;
}
.nav-search input::placeholder{color:#93a09a;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface);
  color:var(--ink);
  font-size:16px;
}
.nav-drawer{display:none;}
.nav-drawer a{
  display:block;
  padding:12px 4px;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--ink);
}
.nav-drawer a:hover{color:var(--brand-dark);}
.drawer-cta{margin:16px 0 4px;justify-content:center;}

/* ---------- Buttons ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;
  padding:0 28px;
  border:none;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  transition:transform .22s ease,background-color .22s ease,color .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-primary-x{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(14,159,138,.24);}
.btn-primary-x:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(8,114,102,.28);}
.btn-ghost-x{background:transparent;border:1px solid var(--brand);color:var(--brand-dark);}
.btn-ghost-x:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.btn-lime-x{background:var(--lime);color:var(--deep);}
.btn-lime-x:hover{background:#e6fa6c;color:var(--deep);transform:translateY(-2px);}
.btn-sm-x{height:42px;padding:0 20px;font-size:14px;}

/* ---------- Tag ---------- */
.tag-x{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;
  border-radius:var(--radius-pill);
  background:var(--brand-light);
  color:var(--brand-dark);
  font-size:12.5px;
  font-weight:600;
}
.tag-x.hot{background:rgba(255,107,61,.14);color:#d24a1d;}

/* ---------- Article head ---------- */
.crumbs{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  padding:26px 0 0;
  font-size:13.5px;
  color:var(--muted);
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand-dark);}
.crumbs .sep{opacity:.55;}
.crumbs .now{color:var(--ink);font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.article-head{padding:26px 0 0;max-width:900px;}
.article-head h1{
  font-size:clamp(28px,3.6vw,46px);
  font-weight:900;
  line-height:1.28;
  letter-spacing:-.015em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:20px;
  font-size:13.5px;
  color:var(--muted);
}
.article-meta i{color:var(--brand);margin-right:6px;}

.article-cover{
  margin:32px 0 0;
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
  border:1px solid var(--line);
}
.article-cover img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}

/* ---------- Article body ---------- */
.article-shell{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:56px;
  align-items:start;
  padding:48px 0 0;
}
.article-body{
  max-width:840px;
  font-size:17.5px;
  line-height:1.9;
  color:var(--ink);
}
.article-body p{margin:0 0 1.25em;}
.article-body h2{
  font-size:clamp(22px,2.4vw,30px);
  font-weight:800;
  margin:1.9em 0 .8em;
  padding-left:16px;
  border-left:4px solid var(--brand);
  line-height:1.45;
}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:22px;font-weight:700;margin:1.6em 0 .6em;}
.article-body h4{font-size:18.5px;font-weight:700;margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.5em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.5em;}
.article-body ul li::marker{color:var(--brand);}
.article-body ol li::marker{color:var(--brand);font-weight:700;}
.article-body blockquote{
  margin:1.6em 0;
  padding:20px 24px;
  background:var(--brand-light);
  border-left:5px solid var(--brand);
  border-radius:0 14px 14px 0;
  color:#0b1a16;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{width:100%;height:auto;border-radius:16px;margin:1.6em 0;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body a{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--orange);}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:16px;
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top;}
.article-body thead th{background:var(--surface-2);font-weight:700;}
.article-body tbody tr:nth-child(even){background:#fafbf8;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.2em 0;}

.article-empty{
  max-width:840px;
  padding:56px 32px;
  text-align:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
}
.article-empty i{font-size:34px;color:var(--brand);}
.article-empty h2{font-size:24px;margin:18px 0 10px;}
.article-empty p{color:var(--muted);margin-bottom:24px;}

/* ---------- Sidebar ---------- */
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:24px 22px;
  position:sticky;
  top:96px;
}
.side-card h3{font-size:17px;margin-bottom:8px;}
.side-card > p{font-size:14px;color:var(--muted);margin-bottom:18px;}
.side-list li + li{margin-top:4px;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;
  border-radius:12px;
  font-size:14px;
  color:var(--ink);
}
.side-list a:hover{background:var(--surface-2);color:var(--brand-dark);}
.side-list i{font-size:12px;color:var(--brand);}
.side-cta{margin-top:18px;width:100%;}

/* ---------- Sections ---------- */
.section{padding:72px 0 0;}
.section-head{margin-bottom:32px;max-width:760px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-dark);
  text-transform:uppercase;
  margin-bottom:12px;
}
.section-head h2{font-size:clamp(24px,3vw,36px);}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px;}

/* ---------- Cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card-x{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(14,159,138,.35);}
.card-thumb{overflow:hidden;background:var(--surface-2);}
.card-thumb img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .4s ease;
}
.card-x:hover .card-thumb img{transform:scale(1.03);}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:18.5px;line-height:1.45;}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.75;}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;font-size:13px;color:var(--muted);
}
.card-foot .arrow{color:var(--brand);transition:transform .26s ease;}
.card-x:hover .card-foot .arrow{transform:translateX(4px);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.faq-wrap .accordion-item{
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--surface);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-wrap .accordion-item:has(.accordion-button:not(.collapsed)){
  border-left:4px solid var(--brand);
  box-shadow:var(--shadow-2);
}
.faq-wrap .accordion-button{
  background:var(--surface);
  color:var(--ink);
  font-size:16.5px;
  font-weight:700;
  padding:20px 22px;
  box-shadow:none;
  border:none;
}
.faq-wrap .accordion-button:not(.collapsed){background:var(--brand-light);color:var(--brand-dark);}
.faq-wrap .accordion-button:focus{box-shadow:0 0 0 4px rgba(14,159,138,.16);}
.faq-wrap .accordion-button::after{
  filter:grayscale(1) opacity(.6);
  transition:transform .24s ease;
}
.faq-wrap .accordion-button:not(.collapsed)::after{filter:none;}
.faq-wrap .accordion-body{
  padding:6px 22px 22px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--muted);
}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:80px;
  background:linear-gradient(120deg,var(--deep) 0%,#12241d 100%);
  border-radius:26px;
  padding:56px 48px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:32px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;right:-80px;top:-80px;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,242,74,.22),transparent 66%);
}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px);position:relative;z-index:1;}
.cta-band p{color:var(--surface-2);margin-top:12px;font-size:16px;max-width:640px;position:relative;z-index:1;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:88px;
  background:var(--deep);
  color:var(--surface-2);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-sub{color:#8ea39b;}
.site-footer .brand-mark{background:linear-gradient(135deg,var(--brand),#0b8a76);box-shadow:none;}
.f-brand p{margin-top:18px;font-size:14.5px;line-height:1.85;color:#9db0a9;max-width:380px;}
.f-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.f-col li + li{margin-top:10px;}
.f-col a{font-size:14.5px;color:#9db0a9;}
.f-col a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(233,238,232,.14);
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:13.5px;
  color:#8ea39b;
}
.to-top{
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid rgba(233,238,232,.22);
  background:transparent;
  color:#e9eee8;
  transition:background-color .22s ease,color .22s ease,transform .22s ease;
}
.to-top:hover{background:var(--lime);color:var(--deep);transform:translateY(-2px);}

/* ---------- Responsive ---------- */
@media (max-width:1200px){
  .nav-search input{width:110px;}
  .article-shell{grid-template-columns:minmax(0,1fr) 272px;gap:36px;}
}
@media (max-width:1024px){
  .wrap{padding:0 24px;}
  .nav-menu{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-grid;place-items:center;}
  .nav-drawer.open{display:block;padding-bottom:14px;}
  .article-shell{grid-template-columns:1fr;gap:40px;}
  .side-card{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:768px){
  .wrap{padding:0 16px;}
  .nav-inner{height:60px;gap:14px;}
  .brand-name{font-size:13.5px;white-space:normal;line-height:1.25;}
  .brand-sub{display:none;}
  .brand-mark{width:34px;height:34px;font-size:15px;}
  .section{padding:52px 0 0;}
  .article-body{font-size:16.5px;}
  .cta-band{grid-template-columns:1fr;padding:38px 24px;border-radius:20px;margin-top:56px;}
  .cta-actions .btn-x{width:100%;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{margin-top:64px;padding:48px 0 24px;}
}
@media (max-width:520px){
  .article-head h1{font-size:27px;}
  .crumbs .now{max-width:200px;}
  .btn-x{height:46px;padding:0 22px;}
  .article-empty{padding:40px 20px;}
  .faq-wrap .accordion-button{font-size:15.5px;padding:16px 16px;}
  .faq-wrap .accordion-body{padding:4px 16px 18px;}
}

/* roulang page: category1 */
:root{
  --brand:#0E9F8A;
  --brand-dark:#087266;
  --brand-soft:#E6F6F2;
  --lime:#D9F24A;
  --orange:#FF6B3D;
  --bg:#F5F6F2;
  --surface:#FFFFFF;
  --surface-2:#E9EEE8;
  --deep:#0D1714;
  --text:#13201B;
  --muted:#5C6B64;
  --line:rgba(19,32,27,.12);
  --radius:18px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 8px 24px rgba(13,23,20,.06);
  --shadow-hover:0 16px 40px rgba(13,23,20,.12);
  --max:1320px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-dark);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.28;letter-spacing:-.01em;color:var(--text)}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding-left:1.15em}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(14,159,138,.35);outline-offset:2px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-sm{padding:64px 0}
.sec-head{max-width:820px;margin-bottom:40px}
.sec-head h2{font-size:clamp(26px,3.2vw,38px);margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:17px;margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-dark);background:var(--brand-soft);border-radius:var(--radius-pill);padding:6px 14px;margin-bottom:16px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(245,246,242,.96);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:66px}
.nav-left{display:flex;align-items:center;gap:30px;min-width:0}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--text);flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  color:#fff;font-weight:900;font-size:19px;box-shadow:0 6px 16px rgba(14,159,138,.32)
}
.brand-text{display:flex;flex-direction:column;line-height:1.14}
.brand-name{font-weight:800;font-size:16px;color:var(--text);white-space:nowrap}
.brand-sub{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.nav-menu{display:flex;align-items:center;gap:2px}
.nav-link-x{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:9px 12px;border-radius:11px;font-size:15px;font-weight:600;
  color:var(--muted);text-decoration:none;white-space:nowrap
}
.nav-link-x:hover{color:var(--brand-dark);background:var(--surface-2)}
.nav-link-x.active{color:var(--brand-dark);font-weight:800}
.nav-link-x.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:3px;border-radius:3px;background:var(--brand)
}
.nav-drop{position:relative}
.nav-drop-menu{
  position:absolute;top:calc(100% + 10px);left:0;min-width:212px;padding:8px;
  background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-hover);
  opacity:0;visibility:hidden;transform:translateY(6px);transition:.2s ease
}
.nav-drop:hover .nav-drop-menu,.nav-drop:focus-within .nav-drop-menu{opacity:1;visibility:visible;transform:none}
.nav-drop-menu a{display:block;padding:10px 13px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--muted)}
.nav-drop-menu a:hover{background:var(--brand-soft);color:var(--brand-dark)}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:9px;height:44px;padding:0 15px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-pill);
  color:var(--muted);transition:.2s ease
}
.nav-search input{border:0;outline:0;background:transparent;width:168px;font-size:14px;color:var(--text)}
.nav-search input::placeholder{color:#93a09a}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,159,138,.15)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--text);font-size:17px;align-items:center;justify-content:center
}
.nav-drawer{display:none}

/* ---------- buttons ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 28px;border-radius:var(--radius-pill);
  font-size:15.5px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease
}
.btn-primary-x{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(14,159,138,.24)}
.btn-primary-x:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px)}
.btn-ghost-x{background:transparent;border-color:var(--brand);color:var(--brand-dark)}
.btn-ghost-x:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.btn-lime-x{background:var(--lime);color:var(--deep)}
.btn-lime-x:hover{background:#e6fa72;color:var(--deep);transform:translateY(-2px)}
.btn-outline-light-x{background:transparent;border-color:rgba(233,238,232,.5);color:#E9EEE8}
.btn-outline-light-x:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.btn-sm-x{height:42px;padding:0 20px;font-size:14.5px}

/* ---------- category hero ---------- */
.cat-hero{
  position:relative;
  padding:64px 0 68px;
  color:#fff;
  background-image:linear-gradient(115deg,rgba(13,23,20,.94) 0%,rgba(13,23,20,.78) 46%,rgba(13,23,20,.42) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid rgba(233,238,232,.12)
}
.crumb{font-size:13.5px;color:rgba(233,238,232,.72);display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:22px}
.crumb a{color:rgba(233,238,232,.86)}
.crumb a:hover{color:var(--lime)}
.crumb .sep{opacity:.5}
.crumb .now{color:var(--lime)}
.cat-hero h1{color:#fff;font-size:clamp(30px,4.4vw,52px);max-width:20ch;margin-bottom:18px}
.cat-hero .lead{font-size:clamp(16px,1.4vw,18.5px);color:rgba(233,238,232,.86);max-width:62ch;margin-bottom:26px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.tag-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:var(--radius-pill);
  font-size:13.5px;font-weight:700;
  background:rgba(233,238,232,.12);border:1px solid rgba(233,238,232,.26);color:#E9EEE8
}
.tag-chip i{color:var(--lime)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- two column layout ---------- */
.two-col{display:grid;grid-template-columns:352px minmax(0,1fr);gap:36px;align-items:start}
.side-panel{
  position:sticky;top:92px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);padding:30px
}
.side-panel h2{font-size:22px;margin-bottom:14px}
.side-panel p{color:var(--muted);font-size:15.5px;line-height:1.9}
.fact-list{list-style:none;padding:0;margin:22px 0;display:grid;gap:14px}
.fact-list li{display:flex;gap:12px;font-size:15px;color:var(--muted);line-height:1.75}
.fact-list i{color:var(--brand);margin-top:5px}
.side-note{
  background:var(--brand-soft);border-radius:14px;padding:16px 18px;
  font-size:14.5px;color:var(--brand-dark);line-height:1.8;border:1px solid rgba(14,159,138,.18)
}
.side-cta{display:flex;flex-direction:column;gap:10px;margin-top:22px}

.list-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px}
.list-head h2{font-size:clamp(24px,2.6vw,32px)}
.list-head p{color:var(--muted);font-size:15.5px;margin:8px 0 0}
.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.entry-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.entry-card:hover .card-media img{transform:scale(1.04)}
.card-media .badge-x{position:absolute;left:14px;top:14px}
.badge-x{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:700;background:var(--brand-soft);color:var(--brand-dark)
}
.badge-x.hot{background:rgba(255,107,61,.14);color:#c9441c}
.badge-x.fresh{background:rgba(217,242,74,.34);color:#5d6b09}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:19.5px;line-height:1.45}
.card-body p{color:var(--muted);font-size:15px;line-height:1.85;margin:0}
.card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:#7b8a83;margin-top:auto}
.card-meta i{color:var(--brand);margin-right:5px}
.card-link{font-weight:700;font-size:14.5px;display:inline-flex;align-items:center;gap:7px}
.card-link i{transition:transform .2s ease}
.card-link:hover i{transform:translateX(4px)}

/* ---------- steps ---------- */
.steps-band{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.step-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.step-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.step-num{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--deep);color:var(--lime);font-weight:900;font-size:17px;margin-bottom:18px
}
.step-card h3{font-size:19px;margin-bottom:10px}
.step-card p{color:var(--muted);font-size:15px;margin:0}

/* ---------- device cards ---------- */
.device-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.device-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease
}
.device-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.device-icon{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-dark);font-size:21px;margin-bottom:20px
}
.device-card h3{font-size:20px;margin-bottom:12px}
.device-card p{color:var(--muted);font-size:15px;line-height:1.85}
.device-card ul{color:var(--muted);font-size:14.8px;line-height:1.9;margin-top:6px}
.device-card li::marker{color:var(--brand)}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px}
.accordion-item{
  border:1px solid var(--line)!important;border-radius:14px!important;overflow:hidden;
  margin-bottom:14px;background:#fff;box-shadow:var(--shadow)
}
.accordion-button{
  font-size:17px;font-weight:700;color:var(--text);background:#fff;
  padding:20px 24px;box-shadow:none!important
}
.accordion-button:not(.collapsed){
  background:var(--brand-soft);color:var(--brand-dark);box-shadow:inset 4px 0 0 var(--brand)!important
}
.accordion-button::after{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230E9F8A'%3E%3Cpath d='M1.6 4.9 8 11.3l6.4-6.4 1.2 1.2L8 13.7.4 6.1z'/%3E%3C/svg%3E");
  background-size:14px;width:14px;height:14px
}
.accordion-body{color:var(--muted);font-size:16px;line-height:1.9;padding:0 24px 22px}

/* ---------- related categories ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.rel-card{
  position:relative;display:block;border-radius:var(--radius);overflow:hidden;
  min-height:186px;border:1px solid var(--line);box-shadow:var(--shadow);
  color:#fff;text-decoration:none;transition:transform .25s ease,box-shadow .25s ease
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);color:#fff}
.rel-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.rel-card:hover img{transform:scale(1.05)}
.rel-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,23,20,.30) 0%,rgba(13,23,20,.86) 100%)
}
.rel-inner{position:relative;z-index:2;padding:24px;height:100%;display:flex;flex-direction:column;justify-content:flex-end;gap:8px}
.rel-inner span.label{font-size:12.5px;font-weight:700;color:var(--lime);letter-spacing:.1em;text-transform:uppercase}
.rel-inner h3{color:#fff;font-size:19px}
.rel-inner p{color:rgba(233,238,232,.82);font-size:14px;margin:0}
.rel-inner i.arrow{margin-top:6px;color:var(--lime);transition:transform .2s ease}
.rel-card:hover i.arrow{transform:translateX(5px)}

/* ---------- cta ---------- */
.cta-band{background:var(--deep);color:#E9EEE8;border-radius:26px;padding:56px 52px;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,159,138,.4) 0%,rgba(13,23,20,0) 70%)
}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,36px);margin-bottom:14px;position:relative}
.cta-band p{color:rgba(233,238,232,.8);max-width:60ch;margin-bottom:28px;position:relative}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:#E9EEE8;margin-top:96px;padding:72px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:44px}
.site-footer .brand-name{color:#fff}
.site-footer .brand-sub{color:rgba(233,238,232,.6)}
.f-brand p{color:rgba(233,238,232,.72);font-size:15px;line-height:1.9;margin-top:18px;max-width:38ch}
.f-col h4{color:#fff;font-size:15.5px;margin-bottom:18px}
.f-col ul{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.f-col a{color:rgba(233,238,232,.74);font-size:14.6px}
.f-col a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(233,238,232,.14);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px
}
.footer-bottom p{margin:0;color:rgba(233,238,232,.6);font-size:14px}
.to-top{
  width:44px;height:44px;border-radius:50%;border:1px solid rgba(233,238,232,.28);
  background:transparent;color:#E9EEE8;display:grid;place-items:center;cursor:pointer;transition:.2s ease
}
.to-top:hover{background:var(--lime);color:var(--deep);border-color:var(--lime)}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .nav-search input{width:120px}
  .nav-left{gap:18px}
  .two-col{grid-template-columns:300px minmax(0,1fr);gap:28px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991.98px){
  .wrap{padding:0 20px}
  .nav-menu,.nav-search{display:none}
  .nav-toggle{display:flex}
  .nav-drawer{display:none;padding:10px 0 22px;gap:8px;grid-template-columns:1fr}
  .nav-drawer.show{display:grid}
  .nav-drawer a{
    display:block;padding:13px 16px;border-radius:12px;background:#fff;
    border:1px solid var(--line);color:var(--text);font-weight:700;font-size:15px
  }
  .nav-drawer a:hover{background:var(--brand-soft);color:var(--brand-dark)}
  .nav-drawer a.btn-x{background:var(--brand);color:#fff;border-color:transparent;text-align:center;justify-content:center}
  .two-col{grid-template-columns:1fr}
  .side-panel{position:static}
  .step-grid,.device-grid{grid-template-columns:1fr}
  .entry-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .section{padding:64px 0}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px}
  body{font-size:16px}
  .cat-hero{padding:44px 0 52px}
  .cat-hero h1{max-width:100%}
  .btn-x{width:100%}
  .hero-actions .btn-x{width:100%}
  .brand-name{font-size:14.5px}
  .rel-grid{grid-template-columns:1fr}
  .cta-band{padding:38px 24px;border-radius:20px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{margin-top:64px;padding:52px 0 26px}
}

/* roulang page: category2 */
:root{
  --brand:#0E9F8A;
  --brand-dark:#087266;
  --brand-soft:#E6F6F2;
  --lime:#D9F24A;
  --orange:#FF6B3D;
  --bg:#F5F6F2;
  --surface:#FFFFFF;
  --surface-2:#E9EEE8;
  --ink:#13201B;
  --muted:#5C6B64;
  --line:rgba(19,32,27,.12);
  --dark:#0D1714;
  --r-card:18px;
  --r-img:20px;
  --r-btn:999px;
  --r-input:12px;
  --shadow:0 8px 24px rgba(13,23,20,.06);
  --shadow-hover:0 16px 40px rgba(13,23,20,.12);
  --bs-body-font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,
*::before,
*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{font-weight:800;line-height:1.3;margin:0 0 .6em;letter-spacing:-.01em;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font:inherit;}
:focus-visible{outline:3px solid rgba(14,159,138,.4);outline-offset:2px;}
.wrap{width:100%;max-width:1320px;margin:0 auto;padding:0 32px;}
.section{padding:84px 0;}
.section-tight{padding:64px 0;}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head h2{font-size:clamp(28px,3.4vw,40px);margin-bottom:14px;}
.sec-head p{color:var(--muted);font-size:17px;margin:0;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--brand-dark);
  background:var(--brand-soft);
  border-radius:999px;
  padding:6px 16px;
  margin-bottom:18px;
}
.eyebrow.on-dark{background:rgba(217,242,74,.16);color:var(--lime);}

/* ---------- 按钮 ---------- */
.btn-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--r-btn);
  font-size:16px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary-x{background:var(--brand);color:#fff;}
.btn-primary-x:hover,
.btn-primary-x:focus{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(14,159,138,.28);}
.btn-outline-x{background:transparent;border-color:var(--brand);color:var(--brand-dark);}
.btn-outline-x:hover,
.btn-outline-x:focus{background:var(--brand);color:#fff;transform:translateY(-2px);}
.btn-lime-x{background:var(--lime);color:var(--dark);}
.btn-lime-x:hover,
.btn-lime-x:focus{background:#e6fa6d;color:var(--dark);transform:translateY(-2px);box-shadow:0 12px 28px rgba(217,242,74,.3);}
.btn-ghost-dark{background:transparent;border-color:rgba(233,238,232,.4);color:#E9EEE8;}
.btn-ghost-dark:hover,
.btn-ghost-dark:focus{background:rgba(233,238,232,.12);color:#fff;transform:translateY(-2px);}
.btn-sm-x{height:44px;padding:0 20px;font-size:15px;}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:13px;
  font-weight:600;
  line-height:1.6;
}
.tag-orange{background:rgba(255,107,61,.13);color:#C8401A;}
.tag-lime{background:rgba(217,242,74,.35);color:#5A6A12;}
.tag-dark{background:rgba(233,238,232,.14);color:#E9EEE8;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(245,246,242,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(3px);
}
.nav-inner{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  align-items:center;
  gap:24px;
  min-height:66px;
}
.nav-left{
  grid-column:1 / 9;
  display:flex;
  align-items:center;
  gap:8px;
  min-width:0;
}
.nav-right{
  grid-column:9 / 13;
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:12px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  color:#fff;
  font-weight:900;
  font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(14,159,138,.3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:800;color:var(--ink);}
.brand-sub{font-size:11px;letter-spacing:.12em;color:var(--muted);text-transform:uppercase;}
.brand:hover .brand-name{color:var(--brand-dark);}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:14px;}
.nav-link-x{
  position:relative;
  padding:9px 13px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:#3B4A44;
  white-space:nowrap;
}
.nav-link-x:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-link-x.active{color:var(--brand-dark);font-weight:700;background:var(--brand-soft);}
.nav-link-x.active::after{
  content:"";
  position:absolute;
  left:50%;bottom:3px;
  transform:translateX(-50%);
  width:16px;height:3px;
  border-radius:3px;
  background:var(--brand);
}
.nav-drop{position:relative;}
.nav-drop-menu{
  position:absolute;
  top:calc(100% + 8px);
  left:0;
  min-width:196px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--shadow-hover);
  padding:8px;
  display:none;
  z-index:20;
}
.nav-drop:hover .nav-drop-menu,
.nav-drop:focus-within .nav-drop-menu{display:block;}
.nav-drop-menu a{
  display:block;
  padding:10px 14px;
  border-radius:10px;
  font-size:15px;
  color:#3B4A44;
}
.nav-drop-menu a:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:44px;
  width:210px;
  padding:0 16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--muted);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,159,138,.15);}
.nav-search input{
  border:0;
  outline:0;
  background:transparent;
  width:100%;
  font-size:14px;
  color:var(--ink);
}
.nav-search input::placeholder{color:#8B9892;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  align-items:center;justify-content:center;
}
.nav-drawer{display:none;flex-direction:column;gap:6px;padding:10px 0 22px;}
.nav-drawer a{
  padding:12px 14px;
  border-radius:12px;
  font-size:16px;
  font-weight:500;
  background:#fff;
  border:1px solid var(--line);
}
.nav-drawer a:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-drawer.open{display:flex;}
.drawer-cta{margin-top:8px;color:#fff;border-color:transparent;}

/* ---------- 分类横幅 ---------- */
.cat-hero{
  position:relative;
  background:var(--dark);
  color:#E9EEE8;
  overflow:hidden;
  padding:56px 0 76px;
}
.cat-hero-bg{
  position:absolute;
  inset:0;
  background-image:linear-gradient(100deg,rgba(13,23,20,.94) 0%,rgba(13,23,20,.82) 45%,rgba(13,23,20,.45) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  transform:scale(1.02);
}
.cat-hero-inner{position:relative;z-index:2;}
.crumbs{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:rgba(233,238,232,.66);
  margin-bottom:26px;
  flex-wrap:wrap;
}
.crumbs a:hover{color:var(--lime);}
.crumbs .current{color:var(--lime);font-weight:600;}
.cat-hero h1{
  font-size:clamp(34px,5vw,58px);
  line-height:1.18;
  color:#fff;
  margin-bottom:18px;
  max-width:900px;
}
.cat-hero .lead{
  font-size:18px;
  color:rgba(233,238,232,.86);
  max-width:660px;
  margin-bottom:26px;
}
.cat-hero .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.cat-hero .hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 重点大卡 ---------- */
.spotlight{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:26px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.spot-media{grid-column:1 / 8;position:relative;min-height:400px;}
.spot-media img{width:100%;height:100%;min-height:400px;object-fit:cover;}
.spot-media .tag{position:absolute;top:20px;left:20px;background:rgba(13,23,20,.78);color:var(--lime);}
.spot-body{
  grid-column:8 / 13;
  padding:40px 42px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:16px;
}
.spot-body h3{font-size:clamp(22px,2.4vw,30px);margin:0;}
.spot-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--muted);}
.spot-meta .time{color:var(--orange);font-weight:700;}
.spot-body p{color:var(--muted);font-size:16.5px;margin:0;}
.spot-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px;}

/* ---------- 资讯列表 ---------- */
.news-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.news-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 28px;
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
  gap:12px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(14,159,138,.4);
}
.news-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.news-time{font-size:13px;font-weight:700;color:var(--orange);letter-spacing:.02em;}
.news-item h3{font-size:20px;margin:0;line-height:1.45;}
.news-item h3 a:hover{color:var(--brand-dark);}
.news-item p{color:var(--muted);font-size:15.5px;margin:0;}
.news-more{
  margin-top:auto;
  font-size:14px;
  font-weight:700;
  color:var(--brand-dark);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.news-item:hover .news-more i{transform:translateX(5px);}
.news-more i{transition:transform .25s ease;}

/* ---------- 深色节奏带 ---------- */
.band-dark{
  background:var(--dark);
  color:#E9EEE8;
  padding:76px 0;
}
.band-dark h2{color:#fff;font-size:clamp(26px,3vw,36px);}
.band-dark .lead{color:rgba(233,238,232,.76);max-width:640px;margin-bottom:0;}
.metric-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  margin-top:40px;
}
.metric{
  background:rgba(233,238,232,.06);
  border:1px solid rgba(233,238,232,.14);
  border-radius:var(--r-card);
  padding:26px 24px;
  transition:background-color .25s ease,transform .25s ease;
}
.metric:hover{background:rgba(233,238,232,.11);transform:translateY(-4px);}
.metric .num{
  font-size:30px;
  font-weight:900;
  color:var(--lime);
  line-height:1.2;
  display:block;
  margin-bottom:8px;
}
.metric h3{font-size:17px;color:#fff;margin-bottom:6px;}
.metric p{font-size:14.5px;color:rgba(233,238,232,.72);margin:0;}

/* ---------- 分类卡 ---------- */
.cat-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.cat-card{
  position:relative;
  display:block;
  min-height:250px;
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--dark);
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.cat-card img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.cat-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(13,23,20,.2) 0%,rgba(13,23,20,.86) 100%);
  transition:background .3s ease;
}
.cat-card-body{
  position:relative;
  z-index:2;
  padding:26px 26px 24px;
  height:100%;
  min-height:250px;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  gap:10px;
  color:#fff;
}
.cat-card-body h3{font-size:21px;color:#fff;margin:0;}
.cat-card-body p{font-size:14.5px;color:rgba(233,238,232,.82);margin:0;}
.cat-card-body .go{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:700;
  color:var(--lime);
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.cat-card:hover img{transform:scale(1.06);}
.cat-card:hover::after{background:linear-gradient(180deg,rgba(13,23,20,.35) 0%,rgba(8,20,17,.94) 100%);}
.cat-card:hover .cat-card-body .go i{transform:translateX(5px);}
.cat-card-body .go i{transition:transform .25s ease;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;margin:0 auto;}
.faq-acc .accordion-item{
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--surface);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.faq-acc .accordion-button{
  background:var(--surface);
  color:var(--ink);
  font-size:17px;
  font-weight:700;
  padding:20px 24px;
  border-left:4px solid transparent;
  box-shadow:none;
}
.faq-acc .accordion-button:not(.collapsed){
  background:var(--brand-soft);
  color:var(--brand-dark);
  border-left:4px solid var(--brand);
}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 4px rgba(14,159,138,.18);z-index:3;}
.faq-acc .accordion-button::after{
  width:16px;height:16px;
  background-size:16px;
  transition:transform .25s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{filter:hue-rotate(130deg);}
.faq-acc .accordion-body{
  padding:4px 26px 24px;
  color:var(--muted);
  font-size:16px;
  line-height:1.9;
}

/* ---------- CTA ---------- */
.cta-block{
  background:var(--dark);
  border-radius:28px;
  padding:64px 56px;
  color:#E9EEE8;
  position:relative;
  overflow:hidden;
}
.cta-block::before{
  content:"";
  position:absolute;
  right:-120px;
  top:-120px;
  width:340px;
  height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(217,242,74,.22),rgba(217,242,74,0) 68%);
}
.cta-block h2{
  color:#fff;
  font-size:clamp(26px,3.2vw,38px);
  margin-bottom:14px;
  position:relative;
  z-index:2;
}
.cta-block p{
  color:rgba(233,238,232,.78);
  max-width:620px;
  margin-bottom:28px;
  position:relative;
  z-index:2;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);
  color:#E9EEE8;
  padding:72px 0 32px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(233,238,232,.14);
}
.f-brand .brand-name{color:#fff;}
.f-brand .brand-sub{color:rgba(233,238,232,.55);}
.f-brand p{
  margin-top:18px;
  font-size:15px;
  color:rgba(233,238,232,.7);
  max-width:360px;
}
.f-col h4{
  color:#fff;
  font-size:16px;
  margin-bottom:18px;
}
.f-col ul li{margin-bottom:11px;}
.f-col ul a{
  font-size:15px;
  color:rgba(233,238,232,.72);
}
.f-col ul a:hover{color:var(--lime);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding-top:26px;
  flex-wrap:wrap;
}
.footer-bottom p{
  margin:0;
  font-size:14px;
  color:rgba(233,238,232,.6);
}
.to-top{
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid rgba(233,238,232,.25);
  background:rgba(233,238,232,.08);
  color:#E9EEE8;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.to-top:hover{background:var(--lime);color:var(--dark);border-color:var(--lime);}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .nav-menu{margin-left:6px;}
  .nav-link-x{padding:8px 10px;font-size:14.5px;}
  .nav-search{width:170px;}
}
@media (max-width:991px){
  .wrap{padding:0 20px;}
  .nav-inner{display:flex;justify-content:space-between;gap:14px;}
  .nav-left{grid-column:auto;}
  .nav-right{grid-column:auto;}
  .nav-menu,
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:64px 0;}
  .spot-media{grid-column:1 / 13;min-height:300px;}
  .spot-media img{min-height:300px;}
  .spot-body{grid-column:1 / 13;padding:32px 26px 36px;}
  .news-list{grid-template-columns:1fr;}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cat-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-block{padding:48px 30px;}
}
@media (max-width:575px){
  body{font-size:16.5px;}
  .wrap{padding:0 16px;}
  .brand-name{font-size:14.5px;}
  .brand-sub{display:none;}
  .cat-hero{padding:38px 0 56px;}
  .cat-hero h1{font-size:clamp(28px,8.5vw,36px);}
  .cat-hero .lead{font-size:16.5px;}
  .cat-hero .hero-actions .btn-x{width:100%;}
  .section{padding:52px 0;}
  .spot-body{padding:26px 20px 30px;}
  .news-item{padding:22px 20px;}
  .metric-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-block{padding:40px 22px;border-radius:22px;}
  .cta-actions .btn-x{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
  --brand:#0E9F8A;
  --brand-dark:#087266;
  --brand-light:#E6F6F2;
  --lemon:#D9F24A;
  --orange:#FF6B3D;
  --bg:#F5F6F2;
  --card:#FFFFFF;
  --surface2:#E9EEE8;
  --dark:#0D1714;
  --ink:#13201B;
  --muted:#5C6B64;
  --line:rgba(19,32,27,.12);
  --radius-card:18px;
  --radius-btn:999px;
  --radius-input:12px;
  --radius-img:18px;
  --shadow-sm:0 8px 24px rgba(13,23,20,.06);
  --shadow-lg:0 16px 40px rgba(13,23,20,.12);
  --gap:24px;
  --sec-py:88px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-dark);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--brand);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.28;color:var(--ink);font-weight:800;letter-spacing:-.01em;}
p{margin:0 0 1.15em;color:var(--muted);}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.wrap{width:100%;max-width:1320px;margin:0 auto;padding-left:32px;padding-right:32px;}
.sec{padding:var(--sec-py) 0;}
.sec-alt{background:var(--card);}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-dark);background:var(--brand-light);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.sec-eyebrow i{font-size:11px;}
.sec-title{font-size:clamp(24px,3vw,38px);font-weight:900;}
.sec-sub{font-size:16px;color:var(--muted);margin-top:6px;}

/* ============ 按钮 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 28px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary-x{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(14,159,138,.24);}
.btn-primary-x:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(8,114,102,.28);}
.btn-ghost-x{background:transparent;color:var(--brand-dark);border-color:var(--brand);}
.btn-ghost-x:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.btn-lemon-x{background:var(--lemon);color:var(--dark);}
.btn-lemon-x:hover{background:#e6fa6e;color:var(--dark);transform:translateY(-2px);}
.btn-outline-light-x{background:transparent;color:#E9EEE8;border-color:rgba(233,238,232,.45);}
.btn-outline-light-x:hover{background:rgba(233,238,232,.12);color:#fff;border-color:#E9EEE8;transform:translateY(-2px);}
.btn-sm-x{height:42px;padding:0 20px;font-size:14px;}
.btn-x:focus-visible,a:focus-visible,input:focus-visible,button:focus-visible{
  outline:none;box-shadow:0 0 0 4px rgba(14,159,138,.35);
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(245,246,242,.95);
  backdrop-filter:saturate(150%) blur(6px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:66px;
}
.nav-left{display:flex;align-items:center;gap:30px;min-width:0;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  color:#fff;font-weight:900;font-size:19px;
  box-shadow:0 8px 18px rgba(14,159,138,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:900;color:var(--ink);letter-spacing:-.02em;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;}
.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-link-x{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 13px;border-radius:12px;
  font-size:14.5px;font-weight:600;color:var(--muted);
}
.nav-link-x:hover{color:var(--brand-dark);background:var(--brand-light);}
.nav-link-x.active{color:var(--brand-dark);}
.nav-link-x.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:2px;width:22px;height:3px;border-radius:3px;background:var(--brand);
}
.nav-drop{position:relative;}
.nav-drop-menu{
  position:absolute;top:calc(100% + 10px);left:0;min-width:206px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-lg);padding:8px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
}
.nav-drop:hover .nav-drop-menu,.nav-drop:focus-within .nav-drop-menu{
  opacity:1;visibility:visible;transform:translateY(0);
}
.nav-drop-menu a{
  display:block;padding:10px 14px;border-radius:10px;
  font-size:14px;font-weight:600;color:var(--muted);
}
.nav-drop-menu a:hover{background:var(--brand-light);color:var(--brand-dark);}
.nav-right{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:9px;
  height:44px;padding:0 16px;min-width:210px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search i{color:var(--muted);font-size:13px;}
.nav-search input{
  border:0;outline:none;background:transparent;width:100%;
  font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:#98a49d;}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,159,138,.14);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:17px;cursor:pointer;
}
.nav-drawer{
  display:none;flex-direction:column;gap:6px;
  padding:14px 0 20px;
}
.nav-drawer.open{display:flex;}
.nav-drawer a{
  padding:12px 14px;border-radius:12px;font-size:15px;font-weight:600;color:var(--muted);
}
.nav-drawer a:hover,.nav-drawer a.active{background:var(--brand-light);color:var(--brand-dark);}
.drawer-cta{margin-top:8px;color:#fff !important;}

/* ============ 分类 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--dark);
  padding:84px 0 76px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.4;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(13,23,20,.95) 8%,rgba(13,23,20,.72) 48%,rgba(13,23,20,.42) 100%);
}
.page-hero .wrap{position:relative;z-index:2;}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(233,238,232,.62);margin-bottom:26px;
}
.crumbs a{color:rgba(233,238,232,.78);}
.crumbs a:hover{color:var(--lemon);}
.crumbs span.sep{opacity:.45;}
.crumbs .cur{color:var(--lemon);font-weight:600;}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4.6vw,54px);font-weight:900;
  max-width:900px;margin-bottom:18px;
}
.page-hero h1 em{font-style:normal;color:var(--lemon);}
.hero-lead{
  color:rgba(233,238,232,.82);font-size:17px;max-width:720px;margin-bottom:26px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.tag-x{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(233,238,232,.12);color:#E9EEE8;border:1px solid rgba(233,238,232,.2);
}
.tag-x i{font-size:11px;color:var(--lemon);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-strip{
  position:relative;z-index:2;margin-top:52px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.hero-strip .hs-item{
  background:rgba(233,238,232,.08);
  border:1px solid rgba(233,238,232,.16);
  border-radius:16px;padding:18px 20px;
}
.hs-num{font-size:26px;font-weight:900;color:var(--lemon);line-height:1.2;}
.hs-label{font-size:13px;color:rgba(233,238,232,.72);margin-top:4px;}

/* ============ 步骤式布局 ============ */
.steps{
  display:grid;grid-template-columns:repeat(5,1fr);gap:20px;
  position:relative;
}
.step-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px 22px 24px;
  box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(14,159,138,.35);}
.step-card::before{
  content:"";position:absolute;top:0;left:22px;right:22px;height:3px;border-radius:0 0 4px 4px;
  background:linear-gradient(90deg,var(--brand),var(--lemon));
}
.step-num{
  font-size:30px;font-weight:900;color:var(--brand-light);
  -webkit-text-stroke:1.4px var(--brand);letter-spacing:-.03em;
  line-height:1;margin-bottom:14px;display:block;
}
.step-card h3{font-size:18px;margin-bottom:10px;}
.step-card p{font-size:14.5px;line-height:1.8;}
.step-foot{
  margin-top:14px;display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:700;color:var(--brand-dark);
}

/* ============ 时间轴 ============ */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--brand),rgba(14,159,138,.16));
  border-radius:2px;
}
.tl-item{position:relative;padding-bottom:30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:-34px;top:8px;
  width:20px;height:20px;border-radius:50%;
  background:#fff;border:4px solid var(--brand);
  box-shadow:0 0 0 4px rgba(14,159,138,.12);
}
.tl-item.hot .tl-dot{border-color:var(--orange);box-shadow:0 0 0 4px rgba(255,107,61,.14);}
.tl-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 26px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.tl-body:hover{transform:translateX(4px);box-shadow:var(--shadow-lg);}
.tl-time{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-dark);
  background:var(--brand-light);border-radius:999px;padding:5px 13px;margin-bottom:12px;
}
.tl-item.hot .tl-time{background:rgba(255,107,61,.12);color:#c9411c;}
.tl-body h3{font-size:19px;margin-bottom:8px;}
.tl-body p{font-size:15px;}

/* ============ 卡片网格 ============ */
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.card-x{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(14,159,138,.28);}
.card-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--surface2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.card-x:hover .card-media img{transform:scale(1.04);}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,23,20,0) 45%,rgba(13,23,20,.52) 100%);
}
.card-badge{
  position:absolute;left:14px;top:14px;z-index:2;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(255,255,255,.92);color:var(--brand-dark);
}
.card-badge.hot{background:var(--orange);color:#fff;}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:18px;margin-bottom:10px;}
.card-body p{font-size:14.5px;line-height:1.8;margin-bottom:16px;}
.card-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;font-size:13px;color:var(--muted);
  border-top:1px solid var(--line);padding-top:14px;
}
.card-meta .go{color:var(--brand-dark);font-weight:700;display:inline-flex;align-items:center;gap:6px;}
.card-x:hover .card-meta .go{color:var(--brand);}
.card-x:hover .card-meta .go i{transform:translateX(3px);}
.card-meta .go i{transition:transform .24s ease;}

/* ============ 亮点数据 ============ */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);
}
.stat-item{
  background:var(--dark);border:1px solid rgba(233,238,232,.12);
  border-radius:var(--radius-card);padding:28px 24px;
}
.stat-item:nth-child(2n){background:#12201b;}
.stat-num{font-size:34px;font-weight:900;color:var(--lemon);line-height:1.15;}
.stat-num small{font-size:15px;font-weight:700;margin-left:4px;color:rgba(233,238,232,.72);}
.stat-label{color:#E9EEE8;font-size:15px;font-weight:700;margin-top:10px;}
.stat-desc{color:rgba(233,238,232,.62);font-size:13.5px;margin-top:6px;line-height:1.7;}

/* ============ 面包屑下的正文区 ============ */
.note-card{
  background:var(--brand-light);border:1px solid rgba(14,159,138,.2);
  border-radius:var(--radius-card);padding:26px 28px;
  display:flex;gap:18px;align-items:flex-start;
}
.note-card i{font-size:22px;color:var(--brand-dark);margin-top:4px;}
.note-card h3{font-size:17px;margin-bottom:8px;}
.note-card p{font-size:15px;color:#3f534a;margin-bottom:0;}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;margin:0 auto;}
.accordion-item{
  background:#fff;border:1px solid var(--line) !important;
  border-radius:14px !important;overflow:hidden;margin-bottom:14px;
  box-shadow:var(--shadow-sm);
}
.accordion-button{
  background:#fff;color:var(--ink);font-size:16.5px;font-weight:700;
  padding:20px 22px;border-radius:14px !important;
  border-left:4px solid transparent;
  box-shadow:none !important;
}
.accordion-button:not(.collapsed){
  background:#fff;color:var(--brand-dark);
  border-left:4px solid var(--brand);
}
.accordion-button:focus{box-shadow:0 0 0 4px rgba(14,159,138,.18) !important;}
.accordion-button::after{
  background-image:none;
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--brand);width:auto;height:auto;
  display:flex;align-items:center;justify-content:center;
  transition:transform .25s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--brand-dark);}
.accordion-body{
  padding:0 24px 24px 26px;font-size:15px;color:var(--muted);line-height:1.85;
}

/* ============ 相关分类 ============ */
.cat-links{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
.cat-link{
  display:flex;flex-direction:column;gap:6px;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:20px 18px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.cat-link:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(14,159,138,.35);}
.cat-link .cl-idx{font-size:12px;font-weight:800;letter-spacing:.1em;color:var(--brand);}
.cat-link .cl-name{font-size:15.5px;font-weight:800;color:var(--ink);}
.cat-link .cl-desc{font-size:13px;color:var(--muted);line-height:1.7;}

/* ============ CTA 深色区 ============ */
.cta-band{
  background:var(--dark);border-radius:26px;padding:64px 56px;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-60px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,242,74,.22),rgba(217,242,74,0) 70%);
}
.cta-band .cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:12px;}
.cta-band p{color:rgba(233,238,232,.76);font-size:16px;max-width:620px;margin-bottom:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#E9EEE8;padding:72px 0 28px;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(233,238,232,.14);
}
.f-brand .brand-name{color:#fff;}
.f-brand .brand-sub{color:rgba(233,238,232,.55);}
.f-brand p{color:rgba(233,238,232,.66);font-size:14.5px;margin-top:18px;max-width:340px;}
.f-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.02em;}
.f-col ul li{margin-bottom:11px;}
.f-col ul li a{color:rgba(233,238,232,.68);font-size:14.5px;}
.f-col ul li a:hover{color:var(--lemon);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding-top:24px;flex-wrap:wrap;
}
.footer-bottom p{color:rgba(233,238,232,.55);font-size:13.5px;margin:0;}
.to-top{
  width:44px;height:44px;border-radius:50%;border:1px solid rgba(233,238,232,.24);
  background:rgba(233,238,232,.08);color:#E9EEE8;cursor:pointer;
  transition:background-color .2s ease,transform .2s ease,color .2s ease;
}
.to-top:hover{background:var(--lemon);color:var(--dark);transform:translateY(-3px);}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .steps{grid-template-columns:repeat(3,1fr);}
  .grid-cards{grid-template-columns:repeat(2,1fr);}
  .cat-links{grid-template-columns:repeat(3,1fr);}
  .nav-search{min-width:170px;}
  .nav-link-x{padding:10px 10px;font-size:14px;}
}
@media (max-width:992px){
  :root{--sec-py:64px;}
  .wrap{padding-left:24px;padding-right:24px;}
  .nav-menu{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .hero-strip{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .cat-links{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:48px 32px;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  :root{--sec-py:56px;}
  .page-hero{padding:62px 0 54px;}
  .page-hero h1{font-size:clamp(26px,7vw,36px);}
  .hero-lead{font-size:15.5px;}
  .hero-strip{grid-template-columns:1fr;gap:12px;}
  .grid-cards{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .timeline{padding-left:26px;}
  .tl-dot{left:-26px;width:16px;height:16px;border-width:3px;}
  .tl-body{padding:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .brand-name{font-size:14.5px;}
}
@media (max-width:520px){
  .wrap{padding-left:16px;padding-right:16px;}
  .brand-mark{width:36px;height:36px;font-size:17px;border-radius:11px;}
  .brand-sub{display:none;}
  .stats{grid-template-columns:1fr;}
  .cat-links{grid-template-columns:1fr;}
  .cta-band{border-radius:20px;padding:40px 22px;}
  .btn-x{width:100%;padding:0 20px;}
  .hero-actions{flex-direction:column;}
  .cta-actions{flex-direction:column;width:100%;}
}

/* roulang page: category4 */
:root{
  --main:#0E9F8A;
  --main-dark:#087266;
  --main-light:#E6F6F2;
  --lime:#D9F24A;
  --orange:#FF6B3D;
  --bg:#F5F6F2;
  --card:#FFFFFF;
  --sub:#E9EEE8;
  --deep:#0D1714;
  --ink:#13201B;
  --muted:#5C6B64;
  --line:rgba(19,32,27,.12);
  --r-card:18px;
  --r-btn:999px;
  --r-input:12px;
  --r-img:18px;
  --sh:0 8px 24px rgba(13,23,20,.06);
  --sh-h:0 16px 40px rgba(13,23,20,.12);
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--main-dark);text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease;}
a:hover{color:var(--main);}
h1,h2,h3,h4{font-weight:800;line-height:1.28;color:var(--ink);margin:0;letter-spacing:-.01em;}
p{margin:0 0 1.1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(14,159,138,.4);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:1320px;margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head h2{font-size:clamp(28px,3.2vw,40px);margin-bottom:14px;}
.sec-head p{color:var(--muted);font-size:16.5px;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--main-dark);background:var(--main-light);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
  text-transform:uppercase;
}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- buttons ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:700;border:1px solid transparent;
  cursor:pointer;transition:transform .22s ease,background .22s ease,color .22s ease,box-shadow .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary-x{background:var(--main);color:#fff;box-shadow:0 10px 22px rgba(14,159,138,.24);}
.btn-primary-x:hover{background:var(--main-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(8,114,102,.28);}
.btn-ghost-x{background:transparent;border-color:var(--main);color:var(--main-dark);}
.btn-ghost-x:hover{background:var(--main);color:#fff;transform:translateY(-2px);}
.btn-lime-x{background:var(--lime);color:var(--deep);}
.btn-lime-x:hover{background:#e6fb6b;color:var(--deep);transform:translateY(-2px);}
.btn-outline-light-x{background:transparent;border-color:rgba(233,238,232,.45);color:#E9EEE8;}
.btn-outline-light-x:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px);}
.btn-sm-x{height:42px;padding:0 20px;font-size:14.5px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(245,246,242,.95);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:66px;}
.nav-left{display:flex;align-items:center;gap:28px;min-width:0;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--main),var(--main-dark));
  color:#fff;font-weight:900;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(8,114,102,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:800;color:var(--ink);white-space:nowrap;}
.brand-sub{font-size:10.5px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;}
.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-link-x{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:8px 13px;border-radius:10px;
  font-size:14.8px;font-weight:600;color:var(--ink);
}
.nav-link-x:hover{background:var(--main-light);color:var(--main-dark);}
.nav-link-x.active{color:var(--main-dark);}
.nav-link-x.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:3px;
  border-radius:3px;background:var(--main);
}
.nav-drop{position:relative;}
.nav-drop-menu{
  position:absolute;top:calc(100% + 10px);left:0;min-width:210px;
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--sh-h);padding:8px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:all .2s ease;
}
.nav-drop:hover .nav-drop-menu,.nav-drop:focus-within .nav-drop-menu{opacity:1;visibility:visible;transform:translateY(0);}
.nav-drop-menu a{display:block;padding:10px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--ink);}
.nav-drop-menu a:hover{background:var(--main-light);color:var(--main-dark);}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:9px;
  height:44px;padding:0 16px;border-radius:999px;
  background:var(--card);border:1px solid var(--line);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search i{color:var(--muted);font-size:14px;}
.nav-search input{
  border:0;background:transparent;outline:none;
  font-size:14.5px;width:158px;color:var(--ink);
}
.nav-search input::placeholder{color:#93a09a;}
.nav-search:focus-within{border-color:var(--main);box-shadow:0 0 0 4px rgba(14,159,138,.14);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--card);border:1px solid var(--line);
  color:var(--ink);font-size:17px;cursor:pointer;
}
.nav-drawer{display:none;}
.nav-drawer.open{display:block;padding:10px 0 22px;}
.nav-drawer a{display:block;padding:13px 16px;border-radius:12px;font-weight:600;color:var(--ink);}
.nav-drawer a:hover{background:var(--main-light);color:var(--main-dark);}
.nav-drawer .drawer-cta{margin-top:12px;color:#fff;justify-content:center;}
.nav-drawer .drawer-cta:hover{color:#fff;}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:rgba(233,238,232,.68);flex-wrap:wrap;}
.crumb a{color:rgba(233,238,232,.9);}
.crumb a:hover{color:var(--lime);}
.crumb .now{color:rgba(233,238,232,.6);}

/* ---------- category hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background-color:var(--deep);
  background-image:linear-gradient(100deg,rgba(13,23,20,.94) 8%,rgba(13,23,20,.72) 52%,rgba(13,23,20,.42) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  padding:56px 0 78px;
}
.cat-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:120px;
  background:linear-gradient(to top,rgba(13,23,20,.85),transparent);
  pointer-events:none;
}
.cat-hero .wrap{position:relative;z-index:2;}
.cat-hero h1{
  color:#fff;font-size:clamp(32px,4.6vw,58px);
  margin:22px 0 18px;max-width:900px;font-weight:900;
}
.cat-hero h1 .hl{color:var(--lime);}
.cat-hero p.lead-x{
  color:#D5DED8;font-size:17.5px;max-width:700px;margin:0 0 26px;
}
.cat-hero .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px;}
.tag-row{display:flex;gap:10px;flex-wrap:wrap;}
.tag-row span{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13.5px;font-weight:600;color:#E9EEE8;
  background:rgba(233,238,232,.12);border:1px solid rgba(233,238,232,.2);
  padding:7px 15px;border-radius:999px;
}
.tag-row span i{color:var(--lime);font-size:12px;}

/* ---------- metric band ---------- */
.metric-band{background:var(--card);border-bottom:1px solid var(--line);}
.metric-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  divide:0;gap:0;
}
.metric-cell{padding:30px 26px;border-right:1px solid var(--line);}
.metric-cell:last-child{border-right:0;}
.metric-cell .num{font-size:clamp(28px,3vw,40px);font-weight:900;color:var(--main-dark);line-height:1;letter-spacing:-.02em;}
.metric-cell .num em{font-style:normal;font-size:16px;color:var(--muted);font-weight:700;margin-left:4px;}
.metric-cell .lbl{margin-top:10px;font-size:14.5px;color:var(--muted);font-weight:600;}

/* ---------- tag cloud ---------- */
.cloud-box{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh);
}
.cloud-title{font-size:14px;font-weight:700;color:var(--muted);letter-spacing:.06em;margin-bottom:16px;}
.cloud{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;cursor:pointer;
  font-size:14.5px;font-weight:600;
  background:var(--sub);color:var(--ink);
  border:1px solid transparent;
  transition:all .2s ease;
}
.chip:hover{transform:translateY(-2px);box-shadow:var(--sh);}
.chip.c-main{background:var(--main-light);color:var(--main-dark);}
.chip.c-lime{background:rgba(217,242,74,.35);color:#5c6b12;}
.chip.c-orange{background:rgba(255,107,61,.13);color:#b8410f;}
.chip.active,.chip.c-main.active{background:var(--main);color:#fff;box-shadow:0 10px 22px rgba(14,159,138,.26);}
.cloud-note{margin-top:16px;font-size:13.5px;color:var(--muted);}

/* ---------- card grid ---------- */
.grid-cards{
  display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);
  margin-top:32px;
}
.card-x{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);
  display:flex;flex-direction:column;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(14,159,138,.35);}
.card-x .thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--sub);}
.card-x .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card-x:hover .thumb img{transform:scale(1.04);}
.card-x .thumb .badge-x{
  position:absolute;left:14px;top:14px;
  background:rgba(13,23,20,.78);color:#fff;
  font-size:12.5px;font-weight:700;padding:6px 13px;border-radius:999px;
}
.card-x .thumb .badge-x.hot{background:var(--orange);}
.card-x .body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.card-x h3{font-size:19px;margin-bottom:10px;}
.card-x h3 a{color:var(--ink);}
.card-x h3 a:hover{color:var(--main-dark);}
.card-x .desc{
  color:var(--muted);font-size:15px;margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-x .meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);padding-top:14px;border-top:1px solid var(--line);
}
.card-x .meta .lab{
  background:var(--main-light);color:var(--main-dark);
  padding:4px 12px;border-radius:999px;font-weight:700;font-size:12.5px;
}
.card-x .meta .lab.lime{background:rgba(217,242,74,.4);color:#5c6b12;}
.card-x .meta .lab.orange{background:rgba(255,107,61,.14);color:#b8410f;}
.card-x .go{display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:14px;color:var(--main-dark);}
.card-x .go:hover{gap:11px;color:var(--main);}
.empty-state{
  display:none;text-align:center;padding:56px 24px;
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-card);
  color:var(--muted);
}
.empty-state i{font-size:30px;color:var(--main);margin-bottom:14px;display:block;}

/* ---------- scenario ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.scene{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);transition:transform .26s ease,box-shadow .26s ease;
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--sh-h);}
.scene .pic{aspect-ratio:16/10;overflow:hidden;background:var(--sub);}
.scene .pic img{width:100%;height:100%;object-fit:cover;}
.scene .txt{padding:24px;}
.scene h3{font-size:20px;margin-bottom:10px;}
.scene p{color:var(--muted);font-size:15px;margin:0;}
.scene .k{
  display:inline-block;font-size:12.5px;font-weight:700;color:var(--main-dark);
  background:var(--main-light);padding:5px 13px;border-radius:999px;margin-bottom:14px;
}

/* ---------- steps ---------- */
.steps-band{background:var(--sub);}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);counter-reset:st;}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:28px 24px 26px;box-shadow:var(--sh);
}
.step .idx{
  counter-increment:st;
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;margin-bottom:18px;
  background:var(--main-light);color:var(--main-dark);font-weight:900;font-size:17px;
}
.step .idx::before{content:"0" counter(st);}
.step h3{font-size:18.5px;margin-bottom:10px;}
.step p{color:var(--muted);font-size:14.8px;margin:0;}
.step .line{
  position:absolute;top:50px;right:-14px;width:28px;height:2px;
  background:linear-gradient(to right,var(--main),rgba(14,159,138,.15));
}
.steps .step:last-child .line{display:none;}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:940px;}
.accordion-item{
  border:1px solid var(--line)!important;border-radius:14px!important;
  overflow:hidden;background:var(--card);box-shadow:var(--sh);
}
.accordion-button{
  background:var(--card)!important;color:var(--ink)!important;
  font-size:17px;font-weight:700;padding:20px 24px;
  box-shadow:none!important;border-left:4px solid transparent;
  transition:all .2s ease;
}
.accordion-button:not(.collapsed){
  color:var(--main-dark)!important;background:#FAFCFA!important;
  border-left-color:var(--main);
}
.accordion-button::after{
  background-image:none;
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--main-dark);
  transition:transform .24s ease;width:auto;height:auto;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.accordion-body{
  padding:4px 24px 24px;color:var(--muted);font-size:15.8px;
  border-left:4px solid var(--main-light);
}

/* ---------- related categories ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.rel-card{
  display:flex;flex-direction:column;justify-content:space-between;gap:18px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  min-height:170px;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(14,159,138,.35);}
.rel-card i{font-size:20px;color:var(--main);}
.rel-card h3{font-size:18px;margin:0 0 8px;}
.rel-card p{font-size:14px;color:var(--muted);margin:0;}

/* ---------- cta ---------- */
.cta-band{
  background:var(--deep);color:#E9EEE8;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-100px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,242,74,.16),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr .9fr;gap:40px;align-items:center;}
.cta-inner h2{color:#fff;font-size:clamp(26px,3.2vw,40px);margin-bottom:16px;}
.cta-inner p{color:#B9C6BF;font-size:16.5px;margin:0;max-width:600px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-stats{display:flex;gap:34px;margin-top:30px;flex-wrap:wrap;}
.cta-stats div strong{display:block;font-size:26px;color:var(--lime);font-weight:900;line-height:1.2;}
.cta-stats div span{font-size:13.5px;color:#93A29B;}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:#E9EEE8;padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;padding-bottom:52px;}
.f-brand .brand-mark{background:linear-gradient(135deg,var(--main),var(--lime));color:var(--deep);}
.f-brand .brand-name{color:#fff;}
.f-brand .brand-sub{color:#7E8F88;}
.f-brand p{color:#9FADA6;font-size:14.6px;margin:20px 0 0;max-width:340px;}
.f-col h4{color:#fff;font-size:16px;margin-bottom:18px;}
.f-col ul li{margin-bottom:12px;}
.f-col ul li a{color:#9FADA6;font-size:14.6px;}
.f-col ul li a:hover{color:var(--lime);}
.footer-bottom{
  border-top:1px solid rgba(233,238,232,.14);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{margin:0;font-size:13.6px;color:#8C9C95;}
.to-top{
  width:44px;height:44px;border-radius:50%;
  background:rgba(233,238,232,.1);border:1px solid rgba(233,238,232,.2);
  color:#E9EEE8;cursor:pointer;transition:all .22s ease;
}
.to-top:hover{background:var(--lime);color:var(--deep);border-color:var(--lime);transform:translateY(-3px);}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .nav-search input{width:120px;}
  .nav-menu{gap:2px;}
  .nav-link-x{padding:8px 10px;font-size:14px;}
  .grid-cards{grid-template-columns:repeat(2,1fr);}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step .line{display:none;}
}
@media (max-width:992px){
  .wrap{padding:0 22px;}
  .section{padding:64px 0;}
  .nav-menu,.nav-search{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .cat-hero{padding:42px 0 60px;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .metric-cell:nth-child(2){border-right:0;}
  .metric-cell:nth-child(1),.metric-cell:nth-child(2){border-bottom:1px solid var(--line);}
  .scene-grid{grid-template-columns:1fr;}
  .cta-inner{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .grid-cards{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .brand-name{font-size:15px;white-space:normal;max-width:190px;}
  .cat-hero h1{font-size:30px;}
  .cat-hero p.lead-x{font-size:16px;}
  .hero-actions .btn-x{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .wrap{padding:0 16px;}
  .metric-grid{grid-template-columns:1fr;}
  .metric-cell{border-right:0;border-bottom:1px solid var(--line);}
  .metric-cell:last-child{border-bottom:0;}
  .brand-sub{display:none;}
  .cloud-box{padding:20px;}
  .chip{font-size:13.6px;padding:8px 15px;}
}

/* roulang page: category5 */
:root{
  --c-primary:#0E9F8A;
  --c-primary-dark:#087266;
  --c-primary-soft:#E6F6F2;
  --c-lime:#D9F24A;
  --c-orange:#FF6B3D;
  --bg:#F5F6F2;
  --card:#FFFFFF;
  --surface-2:#E9EEE8;
  --dark:#0D1714;
  --ink:#13201B;
  --ink-2:#5C6B64;
  --line:rgba(19,32,27,.12);
  --r-card:18px;
  --r-img:18px;
  --r-btn:999px;
  --r-input:12px;
  --sh:0 8px 24px rgba(13,23,20,.06);
  --sh-h:0 16px 40px rgba(13,23,20,.12);
  --wrap:1320px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary-dark);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary)}
h1,h2,h3,h4{font-weight:800;line-height:1.25;color:var(--ink);margin:0 0 .6em}
p{margin:0 0 1.15em}
ul{margin:0 0 1.15em;padding-left:1.15em}
li{margin-bottom:.4em}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(14,159,138,.35);outline-offset:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px;width:100%}

/* ---------- 按钮 ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:16px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,background .22s ease,color .22s ease,box-shadow .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary-x{background:var(--c-primary);color:#fff;box-shadow:0 10px 24px rgba(14,159,138,.24)}
.btn-primary-x:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px)}
.btn-ghost-x{background:transparent;color:var(--c-primary-dark);border-color:var(--c-primary)}
.btn-ghost-x:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px)}
.btn-lime-x{background:var(--c-lime);color:var(--dark)}
.btn-lime-x:hover{background:#e6fa6b;color:var(--dark);transform:translateY(-2px)}
.btn-outline-light-x{background:transparent;color:#E9EEE8;border-color:rgba(233,238,232,.45)}
.btn-outline-light-x:hover{border-color:var(--c-lime);color:var(--c-lime);transform:translateY(-2px)}
.btn-sm-x{height:42px;padding:0 20px;font-size:14.5px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(245,246,242,.95);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(150%) blur(2px);
}
.nav-inner{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;min-height:66px}
.nav-left{grid-column:span 8;display:flex;align-items:center;gap:34px;min-width:0}
.nav-right{grid-column:span 4;display:flex;align-items:center;justify-content:flex-end;gap:14px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 38px;
  background:linear-gradient(140deg,var(--c-primary) 0%,var(--c-primary-dark) 100%);
  color:#fff;font-weight:900;font-size:19px;display:flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:800;letter-spacing:.2px}
.brand-sub{font-size:11px;color:var(--ink-2);letter-spacing:.12em;text-transform:uppercase}
.nav-menu{display:flex;align-items:center;gap:6px;min-width:0}
.nav-link-x{
  position:relative;color:var(--ink);font-size:15px;font-weight:600;
  padding:8px 12px;border-radius:10px;white-space:nowrap;
}
.nav-link-x:hover{color:var(--c-primary-dark);background:var(--c-primary-soft)}
.nav-link-x.active{color:var(--c-primary-dark)}
.nav-link-x.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;background:var(--c-primary);
}
.nav-drop{position:relative}
.nav-drop-menu{
  position:absolute;top:calc(100% + 8px);left:0;min-width:210px;
  background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh-h);
  padding:8px;display:none;flex-direction:column;gap:2px;z-index:1040;
}
.nav-drop:hover .nav-drop-menu,.nav-drop:focus-within .nav-drop-menu{display:flex}
.nav-drop-menu a{padding:9px 12px;border-radius:10px;font-size:14.5px;color:var(--ink);font-weight:600}
.nav-drop-menu a:hover{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.nav-drop-menu a.active{color:var(--c-primary-dark);background:var(--c-primary-soft)}
.nav-search{
  display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-input);height:44px;padding:0 14px;min-width:200px;transition:border-color .2s,box-shadow .2s;
}
.nav-search i{color:var(--ink-2);font-size:13px}
.nav-search input{border:0;outline:0;background:transparent;font-size:14.5px;width:100%;color:var(--ink)}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(14,159,138,.14)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;font-size:17px;
}
.nav-drawer{display:none;flex-direction:column;gap:2px;padding:10px 0 18px}
.nav-drawer a{padding:12px 14px;border-radius:12px;color:var(--ink);font-weight:600;font-size:15.5px}
.nav-drawer a:hover,.nav-drawer a.active{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.nav-drawer .drawer-cta{margin-top:8px;color:#fff}
.nav-drawer .drawer-cta:hover{background:var(--c-primary-dark);color:#fff}
.nav-drawer.open{display:flex}

/* ---------- 分类横幅 ---------- */
.cat-hero{position:relative;background:var(--dark);color:#E9EEE8;padding:118px 0 76px;overflow:hidden}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  opacity:.6;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(13,23,20,.95) 0%,rgba(13,23,20,.82) 46%,rgba(13,23,20,.44) 100%);
}
.cat-hero .wrap{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:#9DB3AA;margin-bottom:22px}
.crumb a{color:#9DB3AA}
.crumb a:hover{color:var(--c-lime)}
.crumb span.now{color:#E9EEE8}
.cat-hero h1{
  color:#fff;font-size:clamp(32px,4.6vw,58px);font-weight:900;letter-spacing:-.5px;margin-bottom:18px;
}
.cat-hero h1 em{font-style:normal;color:var(--c-lime)}
.hero-lead{font-size:18px;color:#D7E2DB;max-width:760px;margin-bottom:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.hero-tags span{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  border:1px solid rgba(233,238,232,.28);background:rgba(233,238,232,.08);color:#E9EEE8;font-size:13.5px;font-weight:600;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;max-width:820px}
.hero-stats .st{
  border:1px solid rgba(233,238,232,.2);background:rgba(13,23,20,.35);
  border-radius:16px;padding:16px 18px;
}
.hero-stats .st b{display:block;font-size:26px;font-weight:900;color:var(--c-lime);line-height:1.2}
.hero-stats .st small{color:#C6D4CB;font-size:13px}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section.tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:clamp(26px,3vw,38px);margin-bottom:8px}
.section-head p{color:var(--ink-2);margin:0;max-width:680px;font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--c-primary-dark);margin-bottom:10px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--c-primary)}

/* ---------- 横滑片单 ---------- */
.rail-shell{position:relative}
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 20px;scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  flex:0 0 320px;scroll-snap-align:start;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease;display:flex;flex-direction:column;
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.rail-thumb{position:relative;overflow:hidden;background:var(--surface-2)}
.rail-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease}
.rail-card:hover .rail-thumb img{transform:scale(1.04)}
.rail-thumb .tag-float{position:absolute;left:12px;top:12px}
.rail-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.rail-body h3{font-size:19px;margin-bottom:8px}
.rail-body p{font-size:14.5px;color:var(--ink-2);margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.rail-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-2)}
.rail-meta i{color:var(--c-primary);margin-right:6px}
.rail-arrows{display:flex;gap:10px}
.rail-arrows button{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--ink);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background .2s,color .2s,border-color .2s,transform .2s;
}
.rail-arrows button:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;transform:translateY(-2px)}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;background:var(--c-primary-soft);color:var(--c-primary-dark);
}
.tag-lime{background:rgba(217,242,74,.28);color:#4A5A15}
.tag-orange{background:rgba(255,107,61,.14);color:#B73F1B}
.tag-plain{background:var(--surface-2);color:var(--ink-2)}

/* ---------- 直达路径 ---------- */
.path-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.path-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--sh);transition:transform .25s,box-shadow .25s,border-color .25s;
}
.path-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(14,159,138,.4)}
.path-card .ico{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary-dark);font-size:19px;margin-bottom:18px;
}
.path-card h3{font-size:20px;margin-bottom:10px}
.path-card p{font-size:15px;color:var(--ink-2);margin-bottom:16px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px}
.link-arrow i{transition:transform .22s ease}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- 索引网格 ---------- */
.idx-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.idx-card{
  position:relative;border-radius:var(--r-card);overflow:hidden;min-height:250px;
  display:flex;flex-direction:column;justify-content:flex-end;color:#fff;box-shadow:var(--sh);
  transition:transform .25s,box-shadow .25s;
}
.idx-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);color:#fff}
.idx-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.idx-card:hover img{transform:scale(1.05)}
.idx-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,23,20,.18) 0%,rgba(13,23,20,.86) 100%);
}
.idx-inner{position:relative;z-index:2;padding:24px 24px 26px}
.idx-inner h3{color:#fff;font-size:21px;margin-bottom:8px}
.idx-inner p{color:#D3DED6;font-size:14.5px;margin-bottom:0}
.idx-inner .go{
  position:absolute;right:22px;bottom:22px;width:38px;height:38px;border-radius:50%;
  background:rgba(233,238,232,.16);display:flex;align-items:center;justify-content:center;
  color:#fff;transition:background .22s,transform .22s;
}
.idx-card:hover .go{background:var(--c-lime);color:var(--dark);transform:translateX(4px)}

/* ---------- 标签云 ---------- */
.tagcloud{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.tagcloud a{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--ink);font-size:14.5px;font-weight:600;
  transition:background .2s,color .2s,border-color .2s,transform .2s;
}
.tagcloud a:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;transform:translateY(-2px)}
.tagcloud a.is-lime:hover{background:#c3dc30;border-color:#c3dc30;color:var(--dark)}
.tagcloud a.is-orange:hover{background:var(--c-orange);border-color:var(--c-orange);color:#fff}

/* ---------- 深色信息带 ---------- */
.band-dark{background:var(--dark);color:#E9EEE8;padding:80px 0}
.band-dark h2{color:#fff}
.band-dark .section-head p{color:#B9C7BF}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.step{
  border:1px solid rgba(233,238,232,.16);background:rgba(233,238,232,.05);
  border-radius:var(--r-card);padding:26px 24px;transition:border-color .25s,transform .25s,background .25s;
}
.step:hover{border-color:rgba(217,242,74,.5);transform:translateY(-4px);background:rgba(233,238,232,.08)}
.step .num{font-size:34px;font-weight:900;color:var(--c-lime);line-height:1;margin-bottom:14px;letter-spacing:-1px}
.step h3{color:#fff;font-size:19px;margin-bottom:10px}
.step p{color:#B9C7BF;font-size:14.5px;margin-bottom:0}

/* ---------- 分类明细列表 ---------- */
.detail-list{display:grid;gap:16px}
.detail-item{
  display:grid;grid-template-columns:96px 1fr auto;gap:22px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:18px;
  box-shadow:var(--sh);transition:transform .25s,box-shadow .25s,border-color .25s;
}
.detail-item:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:rgba(14,159,138,.35)}
.detail-item img{width:96px;height:68px;object-fit:cover;border-radius:14px}
.detail-item h3{font-size:18px;margin-bottom:6px}
.detail-item p{font-size:14.5px;color:var(--ink-2);margin:0}
.detail-item .side{display:flex;flex-direction:column;align-items:flex-end;gap:10px;font-size:13px;color:var(--ink-2)}

/* ---------- FAQ ---------- */
.acc .accordion-item{
  border:1px solid var(--line);border-radius:14px;background:#fff;margin-bottom:14px;
  overflow:hidden;box-shadow:none;
}
.acc .accordion-button{
  background:#fff;color:var(--ink);font-weight:700;font-size:16.5px;
  padding:20px 24px;box-shadow:none;border-radius:0;
}
.acc .accordion-button:not(.collapsed){
  background:var(--c-primary-soft);color:var(--c-primary-dark);border-left:4px solid var(--c-primary);
}
.acc .accordion-button:focus{box-shadow:none;border-color:var(--line)}
.acc .accordion-button::after{
  background-image:none;content:"";width:10px;height:10px;flex:0 0 10px;
  border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(45deg);transition:transform .25s ease;margin-left:auto;
}
.acc .accordion-button:not(.collapsed)::after{transform:rotate(-135deg)}
.acc .accordion-body{padding:18px 24px 24px;color:var(--ink-2);font-size:15.5px;line-height:1.85}
.acc .accordion-body p:last-child{margin-bottom:0}

/* ---------- CTA ---------- */
.cta-band{background:var(--dark);color:#E9EEE8;padding:78px 0;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,159,138,.5),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center}
.cta-inner h2{color:#fff;font-size:clamp(26px,3vw,38px);margin-bottom:12px}
.cta-inner p{color:#B9C7BF;margin:0;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#E9EEE8;padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;border-bottom:1px solid rgba(233,238,232,.14)}
.site-footer .brand{color:#fff;margin-bottom:16px}
.site-footer .brand-mark{background:linear-gradient(140deg,var(--c-lime) 0%,#a9c92a 100%);color:var(--dark)}
.site-footer .brand-sub{color:#8FA49A}
.f-brand p{color:#A9BAB1;font-size:14.5px;max-width:360px;margin:0}
.f-col h4{color:#fff;font-size:15.5px;margin-bottom:16px;font-weight:800}
.f-col ul{list-style:none;padding:0;margin:0}
.f-col li{margin-bottom:10px}
.f-col a{color:#A9BAB1;font-size:14.5px}
.f-col a:hover{color:var(--c-lime)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-top:24px;flex-wrap:wrap}
.footer-bottom p{margin:0;font-size:13.5px;color:#8FA49A}
.to-top{
  width:44px;height:44px;border-radius:50%;border:1px solid rgba(233,238,232,.28);
  background:transparent;color:#E9EEE8;display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .2s,color .2s,border-color .2s,transform .2s;
}
.to-top:hover{background:var(--c-lime);color:var(--dark);border-color:var(--c-lime);transform:translateY(-2px)}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .nav-left{grid-column:span 8;gap:22px}
  .nav-right{grid-column:span 4}
}
@media (max-width:1100px){
  .nav-search{min-width:150px}
  .nav-link-x{font-size:14.5px;padding:8px 9px}
}
@media (max-width:991px){
  .wrap{padding:0 20px}
  .nav-inner{grid-template-columns:1fr auto;min-height:60px}
  .nav-left,.nav-right{grid-column:auto}
  .nav-menu{display:none}
  .nav-search,.nav-right .btn-x:not(.drawer-cta){display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:64px 0}
  .cat-hero{padding:72px 0 58px}
  .path-grid,.idx-grid,.steps{grid-template-columns:1fr 1fr}
  .cta-inner{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  body{font-size:16px}
  .hero-stats{grid-template-columns:1fr}
  .path-grid,.idx-grid,.steps{grid-template-columns:1fr}
  .detail-item{grid-template-columns:76px 1fr;gap:16px}
  .detail-item img{width:76px;height:60px}
  .detail-item .side{grid-column:1 / -1;flex-direction:row;align-items:center;justify-content:flex-start}
  .rail-card{flex:0 0 272px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:560px){
  .wrap{padding:0 16px}
  .cat-hero h1{font-size:31px}
  .brand-sub{display:none}
  .btn-x{width:100%;padding:0 20px}
  .hero-actions,.cta-actions{flex-direction:column;align-items:stretch}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}