/* roulang page: index */
:root{
  --bs-primary:#0F2621;
  --bs-body-bg:#F7F5F1;
  --bs-body-color:#14181A;
  --bs-border-color:#DCD8CF;
  --bs-border-radius:10px;
  --bs-border-radius-lg:16px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-link-color:#0F2621;
  --bs-link-hover-color:#FF5C28;
  --ink:#0F2621;
  --lime:#C7F04A;
  --orange:#FF5C28;
  --orange-d:#E84A18;
  --paper:#F7F5F1;
  --mist:#ECE9E2;
  --white:#FFFFFF;
  --t1:#14181A;
  --t2:#5C6469;
  --t3:#8A9199;
  --line:#DCD8CF;
  --ok:#1F9D6B;
  --warn:#D94A3D;
  --sh-s:0 1px 2px rgba(20,24,26,.04),0 12px 32px -12px rgba(20,24,26,.16);
  --sh-h:0 24px 48px -20px rgba(20,24,26,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--bs-font-sans-serif);font-size:1rem;line-height:1.85;color:var(--t1);background:var(--paper);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--orange)}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.02em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1160px;margin-right:auto;margin-left:auto;padding-left:24px;padding-right:24px}
@media(min-width:1400px){.container{max-width:1320px}}
@media(max-width:767px){.container{padding-left:18px;padding-right:18px}}
.num{font-family:"Oswald","Archivo Narrow",sans-serif;font-weight:600;letter-spacing:.02em}

/* ---------- 顶部公告条 ---------- */
.topbar{background:var(--ink);color:rgba(255,255,255,.82);font-size:.8125rem}
.topbar-inner{display:flex;align-items:center;gap:12px;height:38px}
.topbar-dot{width:8px;height:8px;border-radius:50%;background:var(--lime);flex:0 0 auto;box-shadow:0 0 0 4px rgba(199,240,74,.16)}
.topbar-text{margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.4}
.topbar-link{margin-left:auto;color:var(--lime);font-weight:600;white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.topbar-link:hover{color:#fff}

/* ---------- 导航 ---------- */
.mainnav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1030}
.mainnav-inner{height:72px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:1.0625rem;letter-spacing:-.01em;color:var(--ink);flex:0 0 auto}
.brand:hover{color:var(--ink)}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--lime);display:grid;place-items:center;font-family:"Oswald",sans-serif;font-weight:700;font-size:1rem;flex:0 0 auto}
.brand-text{white-space:nowrap}
.navlinks{display:flex;align-items:center;gap:2px;margin-left:4px}
.navlinks a{position:relative;padding:9px 12px;font-size:.9375rem;font-weight:600;color:var(--t2);border-radius:10px;white-space:nowrap}
.navlinks a::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease)}
.navlinks a:hover{color:var(--ink)}
.navlinks a:hover::after,.navlinks a.active::after{transform:scaleX(1)}
.navlinks a.active{color:var(--ink);font-weight:700}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 18px;border:1.5px solid var(--ink);border-radius:10px;font-weight:700;font-size:.9375rem;color:var(--ink);background:transparent;transition:all .22s var(--ease);white-space:nowrap}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border:0;border-radius:10px;background:var(--orange);color:#fff;font-weight:700;font-size:1rem;box-shadow:0 12px 26px -14px rgba(255,92,40,.95);transition:all .22s var(--ease);white-space:nowrap}
.btn-cta:hover{background:var(--orange-d);color:#fff;transform:translateY(-1px)}
.nav-actions .btn-cta{height:44px;padding:0 20px;font-size:.9375rem}
.drawer-toggle{width:44px;height:44px;margin-left:auto;border:1.5px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);display:grid;place-items:center;font-size:1.05rem}
.drawer-toggle:hover{border-color:var(--ink)}
.drawer{background:var(--paper);width:320px!important}
.drawer .offcanvas-header{padding:20px 22px;border-bottom:1px solid var(--line)}
.drawer .offcanvas-header .brand-text{font-weight:900;font-size:1.0625rem;color:var(--ink)}
.drawer .offcanvas-body{padding:12px 22px;display:flex;flex-direction:column}
.drawer-link{display:block;padding:16px 0;font-size:1.0625rem;font-weight:700;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-link.active{color:var(--orange)}
.drawer-link:hover{color:var(--orange)}
.drawer-foot{margin-top:auto;padding:20px 22px 26px;border-top:1px solid var(--line)}
.drawer-foot p{margin-top:12px;font-size:.8125rem;color:var(--t3);text-align:center}

/* ---------- Hero ---------- */
.hero{position:relative;padding:64px 0 92px;background:var(--paper);overflow:hidden}
.hero::before{content:"";position:absolute;top:-240px;right:-140px;width:740px;height:740px;border-radius:50%;background:radial-gradient(circle,rgba(199,240,74,.12),rgba(199,240,74,0) 62%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero-eyebrow{display:flex;align-items:center;gap:12px;font-family:"Oswald",sans-serif;font-size:.8125rem;letter-spacing:.16em;text-transform:uppercase;color:var(--t2);margin-bottom:22px}
.hero-eyebrow .idx{color:var(--orange);font-weight:700;letter-spacing:.06em}
.hero-eyebrow i{color:var(--t3);font-style:normal}
.hero-title{font-size:clamp(2.4rem,5.2vw,4.2rem);line-height:1.05;font-weight:900;letter-spacing:-.02em;color:var(--ink);margin-bottom:20px;animation:heroIn .5s var(--ease) both}
.hero-title .hl{position:relative;display:inline-block}
.hero-title .hl::after{content:"";position:absolute;left:0;right:0;bottom:.06em;height:.18em;background:var(--lime);z-index:-1;border-radius:2px}
.hero-sub{font-size:1.0625rem;color:var(--t2);max-width:56ch;margin-bottom:32px;animation:heroIn .5s .08s var(--ease) both}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:48px;animation:heroIn .5s .14s var(--ease) both}
.stats{display:flex;gap:48px;animation:heroIn .5s .2s var(--ease) both}
.stat{flex:0 0 auto}
.stat-num{font-family:"Oswald",sans-serif;font-weight:700;font-size:2.5rem;line-height:1;color:var(--ink);letter-spacing:-.01em}
.stat-num i{font-style:normal;color:var(--orange);font-size:1.5rem;vertical-align:super;margin-left:2px}
.stat-label{margin-top:8px;font-size:.875rem;color:var(--t2);white-space:nowrap}
.stat-bar{width:28px;height:3px;border-radius:2px;background:var(--lime);margin-top:10px}
.hero-visual{position:relative;animation:heroIn .55s .1s var(--ease) both}
.hero-visual>img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:20px;box-shadow:var(--sh-s)}
.hero-mini{position:absolute;right:-14px;bottom:-26px;width:212px;background:#fff;border-radius:12px;box-shadow:var(--sh-h);padding:12px;display:flex;gap:12px;align-items:center}
.hero-mini img{width:56px;height:56px;border-radius:8px;object-fit:cover;flex:0 0 auto}
.hero-mini span{font-size:.8125rem;font-weight:700;line-height:1.45;color:var(--ink)}
.hero-mini em{display:block;font-style:normal;font-size:.75rem;font-weight:600;color:var(--t3);margin-top:3px}
@keyframes heroIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section--mist{background:var(--mist)}
.section--ink{background:var(--ink);color:#fff}
.sec-head{margin-bottom:48px;max-width:800px}
.sec-head h2{font-size:clamp(1.6rem,3vw,2.4rem);position:relative;padding-left:20px}
.sec-head h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--lime)}
.sec-sub{margin-top:14px;padding-left:20px;color:var(--t2);font-size:1rem}
.section--ink .sec-sub{color:rgba(255,255,255,.66)}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head--center h2{padding-left:0}
.sec-head--center h2::before{display:none}
.sec-head--center .sec-sub{padding-left:0}

/* ---------- 爆款方案网格 ---------- */
.pick-grid{display:grid;gap:24px;grid-template-columns:repeat(4,minmax(0,1fr))}
.pick-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:var(--sh-s);display:flex;flex-direction:column;transition:transform .28s var(--ease),box-shadow .28s var(--ease);color:var(--ink)}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);color:var(--ink)}
.pick-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--mist)}
.pick-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.pick-card:hover .pick-media img{transform:scale(1.03)}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:.75rem;font-weight:700;letter-spacing:.06em;white-space:nowrap}
.tag-lime{background:var(--lime);color:var(--ink)}
.tag-ink{background:var(--ink);color:#fff}
.tag-line{border:1px solid var(--line);color:var(--t2);background:#fff}
.pick-media .tag{position:absolute;left:14px;top:14px;z-index:2;box-shadow:0 4px 12px rgba(20,24,26,.14)}
.pick-crown{position:absolute;right:14px;top:14px;z-index:2;background:var(--orange);color:#fff;display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:.75rem;font-weight:700;letter-spacing:.06em}
.pick-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.pick-body h3{font-size:1.0625rem;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pick-body p{color:var(--t2);font-size:.875rem;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pick-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.pick-meta{font-size:.8125rem;color:var(--t2);font-family:"Oswald",sans-serif;letter-spacing:.04em}
.pick-price{font-family:"Oswald",sans-serif;font-size:1.0625rem;font-weight:700;color:var(--orange)}
.arrow-btn{width:38px;height:38px;border-radius:50%;border:1.5px solid var(--line);display:grid;place-items:center;color:var(--ink);flex:0 0 auto;transition:all .22s var(--ease);font-size:.8125rem}
.pick-card:hover .arrow-btn,.news-row:hover .arrow-btn{background:var(--orange);border-color:var(--orange);color:#fff}
.pick-card--hero .pick-media{aspect-ratio:16/10}
.pick-card--hero .pick-body{padding:28px;gap:14px}
.pick-card--hero .pick-body h3{font-size:1.5rem;-webkit-line-clamp:2}
.pick-card--hero .pick-body p{font-size:.9375rem;-webkit-line-clamp:3;max-width:52ch}
.pick-card--hero .pick-price{font-size:1.25rem}
.pick-feats{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.pick-feats span{font-size:.75rem;color:var(--t2);border:1px solid var(--line);border-radius:999px;padding:3px 12px}
@media(min-width:1200px){.pick-card--hero{grid-column:span 2;grid-row:span 2}}
@media(min-width:992px) and (max-width:1199px){
  .pick-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .pick-card--hero{grid-column:span 2;grid-row:span 2}
}
@media(min-width:768px) and (max-width:991px){
  .pick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pick-card--hero{grid-column:span 2;grid-row:auto}
}
@media(max-width:767px){
  .pick-grid{grid-template-columns:1fr}
  .pick-card--hero{grid-column:span 1}
}

/* ---------- 分类快切条 ---------- */
.cat-strip{display:flex;flex-wrap:wrap;gap:14px}
.cat-pill{display:inline-flex;align-items:center;gap:12px;height:56px;padding:0 24px;border:1.5px solid var(--line);border-radius:999px;background:#fff;font-weight:700;color:var(--ink);font-size:.9375rem;transition:all .22s var(--ease)}
.cat-pill .n{font-family:"Oswald",sans-serif;font-size:.8125rem;color:var(--t3);letter-spacing:.06em}
.cat-pill .fa-arrow-right{font-size:.75rem;color:var(--t3);transition:all .22s var(--ease)}
.cat-pill:hover{border-color:var(--ink);background:var(--ink);color:#fff;transform:translateY(-2px)}
.cat-pill:hover .n,.cat-pill:hover .fa-arrow-right{color:var(--lime)}

/* ---------- 评价轮播 ---------- */
.rev-track{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none;padding:6px 4px 10px}
.rev-track::-webkit-scrollbar{display:none}
.rev-card{flex:0 0 calc((100% - 48px) / 3);scroll-snap-align:start;background:#fff;border-radius:16px;padding:28px;box-shadow:var(--sh-s);display:flex;flex-direction:column;gap:14px}
.rev-quote{font-family:"Oswald",sans-serif;font-size:3rem;line-height:.7;color:var(--lime);font-weight:700;height:26px}
.rev-stars{color:var(--orange);font-size:.8125rem;letter-spacing:2px}
.rev-text{font-size:.9375rem;color:var(--t2);line-height:1.85;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;min-height:78px}
.rev-user{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);display:flex;align-items:center;gap:12px}
.rev-avatar{width:40px;height:40px;border-radius:50%;background:var(--ink);color:var(--lime);display:grid;place-items:center;font-weight:700;font-size:.9375rem;flex:0 0 auto}
.rev-name{font-weight:700;font-size:.9375rem;color:var(--ink);line-height:1.4}
.rev-role{font-size:.8125rem;color:var(--t3);line-height:1.4}
.rev-nav{display:flex;align-items:center;justify-content:center;gap:20px;margin-top:34px}
.rev-arrow{width:48px;height:48px;border:1.5px solid var(--ink);border-radius:12px;background:transparent;display:grid;place-items:center;color:var(--ink);transition:all .22s var(--ease)}
.rev-arrow:hover{background:var(--ink);color:#fff}
.rev-dots{display:flex;gap:8px;align-items:center}
.rev-dot{width:8px;height:8px;border-radius:999px;background:var(--line);border:0;padding:0;transition:all .25s var(--ease)}
.rev-dot.active{width:26px;background:var(--ink)}

/* ---------- 保障条 ---------- */
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.g-item{padding:6px 30px;border-left:1px solid rgba(255,255,255,.14);display:flex;gap:16px;align-items:flex-start}
.g-item:first-child{border-left:0;padding-left:0}
.g-icon{font-size:1.375rem;color:var(--lime);line-height:1.2;flex:0 0 auto}
.g-item h3{font-size:1rem;font-weight:700;color:#fff;margin-bottom:6px;letter-spacing:0}
.g-item p{font-size:.875rem;color:rgba(255,255,255,.66);line-height:1.65}
@media(max-width:767px){
  .guarantee-grid{grid-template-columns:1fr 1fr;gap:30px 0}
  .g-item{padding:0 16px;flex-direction:column;gap:10px}
  .g-item:nth-child(odd){border-left:0;padding-left:0}
}

/* ---------- 最新信息 ---------- */
.news-list{display:flex;flex-direction:column}
.news-hero{display:grid;grid-template-columns:.85fr 1.15fr;background:#fff;border-radius:16px;overflow:hidden;box-shadow:var(--sh-s);margin-bottom:26px;transition:transform .28s var(--ease),box-shadow .28s var(--ease);color:var(--ink)}
.news-hero:hover{transform:translateY(-3px);box-shadow:var(--sh-h);color:var(--ink)}
.news-hero-img{overflow:hidden;background:var(--mist)}
.news-hero-img img{width:100%;height:100%;min-height:290px;object-fit:cover;transition:transform .5s var(--ease)}
.news-hero:hover .news-hero-img img{transform:scale(1.03)}
.news-hero-body{padding:34px 36px;display:flex;flex-direction:column;gap:14px;justify-content:center}
.news-hero-body h3{font-size:1.375rem;line-height:1.45}
.news-hero-body p{color:var(--t2);font-size:.9375rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.news-time{font-family:"Oswald",sans-serif;font-size:.8125rem;letter-spacing:.08em;color:var(--t3)}
.news-row{display:grid;grid-template-columns:132px 1fr 40px;gap:24px;align-items:center;padding:24px 0;border-top:1px solid var(--line);color:var(--ink)}
.news-row:hover{color:var(--ink)}
.news-row .news-time{display:block}
.news-row .tag{margin-top:8px}
.news-row h3{font-size:1.0625rem;font-weight:700;line-height:1.5;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-row p{color:var(--t2);font-size:.875rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.empty-state{text-align:center;padding:72px 24px;background:#fff;border-radius:16px;border:1px dashed var(--line)}
.empty-state i{font-size:2rem;color:var(--t3);display:block;margin-bottom:16px}
.empty-state p{color:var(--t2);font-size:1rem;margin-bottom:22px}
@media(max-width:767px){
  .news-hero{grid-template-columns:1fr}
  .news-hero-img img{min-height:200px;aspect-ratio:16/9}
  .news-hero-body{padding:24px 22px}
  .news-row{grid-template-columns:1fr 40px;gap:14px}
  .news-row .news-time{grid-column:1;display:flex;align-items:center;gap:12px}
  .news-row .tag{margin-top:0}
}

/* ---------- FAQ ---------- */
.faq .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;border-radius:0!important}
.faq .accordion-button{background:transparent;padding:22px 52px 22px 0;font-weight:700;font-size:1.0625rem;color:var(--ink);box-shadow:none!important;border-radius:0!important}
.faq .accordion-button:not(.collapsed){color:var(--ink)}
.faq .accordion-button::after{background-image:none!important;content:"+";font-family:"Oswald",sans-serif;font-size:1.5rem;font-weight:500;width:24px;height:24px;display:grid;place-items:center;transition:transform .28s var(--ease),color .2s var(--ease);color:var(--t2)}
.faq .accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg);color:var(--orange)}
.faq .accordion-body{padding:0 60px 24px 0;color:var(--t2);font-size:.9375rem;line-height:1.9}
.faq .accordion-button:focus{box-shadow:none}

/* ---------- CTA 反色条 ---------- */
.cta-band{background:var(--ink);color:#fff;padding:84px 0;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;left:-120px;bottom:-220px;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(199,240,74,.1),rgba(199,240,74,0) 62%);pointer-events:none}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-copy{max-width:640px}
.cta-copy h2{font-size:clamp(1.6rem,3vw,2.4rem);color:#fff;margin-bottom:14px}
.cta-copy p{color:rgba(255,255,255,.7);font-size:1rem}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn-ghost--light{border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost--light:hover{background:#fff;color:var(--ink);border-color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:72px 0 0}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-text{color:#fff;font-weight:900;font-size:1.125rem}
.footer-desc{font-size:.9375rem;color:rgba(255,255,255,.62);line-height:1.8;max-width:34ch}
.footer-col h4{font-size:.9375rem;color:#fff;margin-bottom:16px;font-weight:700;letter-spacing:0}
.footer-col a{display:block;padding:6px 0;font-size:.9375rem;color:rgba(255,255,255,.64)}
.footer-col a:hover{color:var(--lime)}
.footer-col span{display:block;padding:6px 0;font-size:.9375rem;color:rgba(255,255,255,.64)}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(255,255,255,.12);padding:24px 0 28px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:.8125rem;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:var(--lime)}
@media(max-width:991px){
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand-col{grid-column:1 / -1}
  .footer-desc{max-width:100%}
}

/* ---------- 响应式 ---------- */
@media(max-width:991px){
  .hero{padding:48px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{max-width:560px}
  .hero-mini{right:12px;bottom:-22px}
  .section{padding:72px 0}
}
@media(max-width:767px){
  .section{padding:64px 0}
  .sec-head{margin-bottom:34px}
  .stats{gap:30px}
  .stat-num{font-size:2rem}
  .rev-card{flex:0 0 100%}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media(max-width:575px){
  .hero-title{font-size:2.1rem}
  .stats{overflow-x:auto;padding-bottom:8px;gap:28px;-ms-overflow-style:none;scrollbar-width:none}
  .stats::-webkit-scrollbar{display:none}
  .hero-cta .btn-cta,.hero-cta .btn-ghost{width:100%}
  .hero-mini{position:static;width:100%;margin-top:16px}
  .cat-pill{width:100%;justify-content:space-between}
  .cta-actions{width:100%}
  .cta-actions .btn-cta,.cta-actions .btn-ghost{width:100%}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --bs-primary:#FF5C28;
  --bs-body-bg:#F7F5F1;
  --bs-body-color:#14181A;
  --bs-border-color:#DCD8CF;
  --bs-border-radius:10px;
  --bs-border-radius-lg:16px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-link-color:#0F2621;
  --bs-link-hover-color:#E84A18;

  --ink:#0F2621;
  --ink-deep:#0A1C18;
  --lime:#C7F04A;
  --lime-soft:rgba(199,240,74,.16);
  --orange:#FF5C28;
  --orange-deep:#E84A18;
  --paper:#F7F5F1;
  --mist:#ECE9E2;
  --card:#FFFFFF;
  --t1:#14181A;
  --t2:#5C6469;
  --t3:#8A9199;
  --line:#DCD8CF;
  --ok:#1F9D6B;
  --warn:#D94A3D;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh-1:0 1px 2px rgba(20,24,26,.04),0 12px 32px -12px rgba(20,24,26,.16);
  --sh-2:0 24px 48px -20px rgba(20,24,26,.28);
  --num-font:"Oswald","Archivo Narrow","Bebas Neue","Arial Narrow",Impact,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:1rem;
  line-height:1.85;
  color:var(--t1);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--orange-deep)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:800;color:var(--t1);letter-spacing:-.01em}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1320px}}
@media (max-width:767px){.container{padding:0 18px}}

/* ============ 顶部公告条 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:var(--ink)}
.topbar{background:var(--ink-deep);border-bottom:1px solid rgba(255,255,255,.08)}
.topbar-inner{display:flex;align-items:center;gap:12px;min-height:42px;padding-top:6px;padding-bottom:6px}
.topbar-dot{width:8px;height:8px;border-radius:50%;background:var(--lime);flex:0 0 auto;box-shadow:0 0 0 4px rgba(199,240,74,.14)}
.topbar-text{margin:0;color:rgba(255,255,255,.78);font-size:.8125rem;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-link{margin-left:auto;color:var(--lime);font-size:.8125rem;font-weight:700;white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.topbar-link:hover{color:#fff}
.topbar-link i{font-size:.7rem;transition:transform .2s var(--ease)}
.topbar-link:hover i{transform:translateX(3px)}

/* ============ 主导航 ============ */
.mainnav{background:var(--ink)}
.mainnav-inner{display:flex;align-items:center;gap:28px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:900;letter-spacing:-.02em}
.brand:hover{color:#fff}
.brand-mark{
  width:36px;height:36px;border-radius:10px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--lime);color:var(--ink);font-family:var(--num-font);
  font-size:1.15rem;font-weight:700;letter-spacing:0;
}
.brand-text{font-size:1.125rem;white-space:nowrap}
.navlinks{display:flex;align-items:center;gap:4px;margin-left:8px}
.navlinks a{
  position:relative;display:inline-block;padding:10px 14px;border-radius:8px;
  color:rgba(255,255,255,.82);font-size:.9375rem;font-weight:600;
}
.navlinks a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.navlinks a:hover{color:#fff}
.navlinks a:hover::after{transform:scaleX(1)}
.navlinks a.active{color:#fff}
.navlinks a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 20px;border-radius:var(--r-sm);
  border:1.5px solid rgba(255,255,255,.28);color:#fff;font-weight:700;font-size:.9375rem;
  background:transparent;transition:all .2s var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,.10);border-color:var(--lime);color:#fff}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-sm);border:0;
  background:var(--orange);color:#fff;font-weight:700;font-size:.9375rem;
  box-shadow:0 10px 24px -12px rgba(255,92,40,.9);
  transition:all .2s var(--ease);
}
.btn-cta:hover{background:var(--orange-deep);color:#fff;transform:translateY(-1px);box-shadow:0 16px 30px -14px rgba(255,92,40,.95)}
.drawer-toggle{
  margin-left:auto;width:46px;height:46px;border-radius:var(--r-sm);
  border:1.5px solid rgba(255,255,255,.24);background:transparent;color:#fff;font-size:1.05rem;
}
.drawer-toggle:hover{background:rgba(255,255,255,.1)}
.drawer{background:var(--ink);color:#fff;width:min(90vw,360px)}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:20px 22px}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.8}
.drawer .brand-text{color:#fff;font-size:1.0625rem}
.drawer .offcanvas-body{padding:10px 22px 26px;display:flex;flex-direction:column}
.drawer-link{
  display:block;padding:16px 4px;color:rgba(255,255,255,.88);font-size:1.0625rem;font-weight:600;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer-link:hover{color:var(--lime)}
.drawer-link.active{color:var(--lime)}
.drawer-foot{margin-top:auto;padding-top:22px;display:grid;gap:12px}
.drawer-foot p{color:rgba(255,255,255,.6);font-size:.8125rem;text-align:center}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--mist);border-bottom:1px solid var(--line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:.8125rem;color:var(--t3)}
.crumb a{color:var(--t2)}
.crumb a:hover{color:var(--ink)}
.crumb .sep{color:#C4BFB5}
.crumb .cur{color:var(--t1);font-weight:600}

/* ============ 文章头 ============ */
.article-hero{padding:56px 0 40px;background:var(--paper)}
.article-hero .badge-cat{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--lime);color:var(--ink);font-size:.75rem;font-weight:800;
  letter-spacing:.08em;text-transform:uppercase;
  padding:7px 14px;border-radius:999px;
}
.article-title{
  margin-top:20px;
  font-size:clamp(1.9rem,3.6vw,3rem);
  line-height:1.18;font-weight:900;letter-spacing:-.02em;max-width:20ch;
}
.article-meta{
  margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  padding-top:20px;border-top:1px solid var(--line);
  font-size:.875rem;color:var(--t2);
}
.article-meta span{display:inline-flex;align-items:center;gap:8px}
.article-meta i{color:var(--ink);opacity:.7}
.article-meta .num{font-family:var(--num-font);letter-spacing:.04em}
.article-lead{
  margin-top:22px;max-width:68ch;color:var(--t2);font-size:1.0625rem;line-height:1.9;
  padding-left:18px;border-left:4px solid var(--lime);
}

/* ============ 正文布局 ============ */
.article-wrap{padding:8px 0 96px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:start}
@media (max-width:1199px){
  .article-grid{grid-template-columns:minmax(0,1fr);gap:48px}
}
.article-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:44px 48px;box-shadow:var(--sh-1);
}
@media (max-width:767px){.article-panel{padding:26px 20px;border-radius:var(--r-md)}}
.article-body{max-width:720px;font-size:1.0625rem;line-height:1.9;color:#242A2C}
.article-body>*+*{margin-top:18px}
.article-body h2{
  position:relative;margin-top:48px;margin-bottom:16px;padding-left:16px;
  font-size:clamp(1.35rem,2.2vw,1.75rem);font-weight:800;line-height:1.35;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:2px;background:var(--lime);
}
.article-body h3{margin-top:34px;margin-bottom:12px;font-size:1.1875rem;font-weight:700}
.article-body p{margin:0}
.article-body a{color:var(--ink);border-bottom:1.5px solid var(--lime)}
.article-body a:hover{color:var(--orange-deep)}
.article-body ul,.article-body ol{margin-top:18px;padding-left:0}
.article-body li{position:relative;padding-left:26px;line-height:1.9;margin-bottom:8px}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:.75em;width:7px;height:7px;border-radius:2px;background:var(--lime);
}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);position:absolute;left:0;top:0;
  font-family:var(--num-font);font-size:.875rem;font-weight:700;color:var(--orange);line-height:2.1;
}
.article-body blockquote{
  margin:28px 0;padding:20px 24px;background:var(--mist);border-left:3px solid var(--lime);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:#38403F;font-size:1rem;
}
.article-body img{border-radius:var(--r-md);margin:28px 0 10px}
.article-body figure{margin:28px 0}
.article-body figcaption{font-size:.8125rem;color:var(--t3);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;font-size:.9375rem;min-width:520px}
.article-body .table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-md);margin:28px 0}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:var(--mist);font-weight:700;color:var(--ink)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}

/* 空态 */
.empty-state{
  text-align:center;padding:64px 20px;border:1px dashed var(--line);border-radius:var(--r-lg);
  background:var(--paper);
}
.empty-state i{font-size:2rem;color:var(--t3)}
.empty-state h2{margin:18px 0 8px;font-size:1.25rem;padding:0}
.empty-state h2::before{display:none}
.empty-state p{color:var(--t2);font-size:.9375rem}
.empty-state .btn-solid{margin-top:22px}

/* 标签行 */
.tag-row{margin-top:40px;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-row .label{font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--t3);font-weight:700}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  background:var(--mist);border:1px solid var(--line);color:var(--t2);
  font-size:.8125rem;font-weight:600;transition:all .2s var(--ease);
}
.tag:hover{background:var(--ink);border-color:var(--ink);color:#fff}

/* 上一篇 / 下一篇 */
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
@media (max-width:767px){.prevnext{grid-template-columns:1fr}}
.prevnext a{
  display:block;padding:20px 22px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-1);transition:all .22s var(--ease);
}
.prevnext a:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CFCABF}
.prevnext .k{font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--orange);font-weight:800}
.prevnext .t{margin-top:8px;font-size:1rem;font-weight:700;color:var(--t1);line-height:1.5}

/* 侧栏 */
.sidebar{display:grid;gap:20px;position:sticky;top:112px}
@media (max-width:1199px){.sidebar{position:static}}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
}
.side-card h3{
  font-size:.8125rem;letter-spacing:.1em;text-transform:uppercase;color:var(--t3);font-weight:800;
  padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:16px;
}
.toc{display:grid;gap:2px}
.toc a{display:block;padding:9px 0 9px 14px;border-left:2px solid var(--line);font-size:.9375rem;color:var(--t2);line-height:1.6}
.toc a:hover{border-left-color:var(--lime);color:var(--ink)}
.toc-empty{font-size:.875rem;color:var(--t3)}
.rel-list{display:grid;gap:14px}
.rel-list a{display:flex;gap:12px;align-items:flex-start}
.rel-list img{width:74px;height:56px;object-fit:cover;border-radius:10px;flex:0 0 auto}
.rel-list .rt{font-size:.9375rem;font-weight:700;line-height:1.55;color:var(--t1)}
.rel-list a:hover .rt{color:var(--orange-deep)}
.rel-list .rd{font-size:.75rem;color:var(--t3);margin-top:4px;font-family:var(--num-font);letter-spacing:.06em}
.side-cta{background:var(--ink);color:#fff;border:0}
.side-cta h3{color:rgba(255,255,255,.6);border-bottom-color:rgba(255,255,255,.14)}
.side-cta p{color:rgba(255,255,255,.82);font-size:.9375rem;line-height:1.8}
.side-cta .btn-cta{width:100%;margin-top:18px}

/* 相关推荐 */
.related{padding:0 0 90px}
.sec-head{margin-bottom:32px}
.sec-head .kicker{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--num-font);
  font-size:.8125rem;letter-spacing:.14em;color:var(--orange);font-weight:700;text-transform:uppercase;
}
.sec-head h2{
  margin-top:12px;font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:800;
  padding-left:16px;border-left:4px solid var(--lime);line-height:1.3;
}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:991px){.rel-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575px){.rel-grid{grid-template-columns:1fr}}
.rel-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:all .24s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFCABF}
.rel-card .thumb{position:relative;aspect-ratio:4/3;overflow:hidden}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.rel-card:hover .thumb img{transform:scale(1.04)}
.rel-card .thumb .tagpill{
  position:absolute;left:12px;top:12px;background:var(--lime);color:var(--ink);
  font-size:.75rem;font-weight:800;padding:5px 12px;border-radius:999px;letter-spacing:.02em;
}
.rel-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.rel-card h3{font-size:1.0625rem;line-height:1.5;font-weight:700}
.rel-card p{margin-top:10px;font-size:.875rem;color:var(--t2);line-height:1.75}
.rel-card .foot{
  margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;
  font-size:.8125rem;color:var(--t3);
}
.rel-card .arrow{
  width:32px;height:32px;border-radius:50%;background:var(--mist);color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;transition:all .2s var(--ease);
}
.rel-card:hover .arrow{background:var(--orange);color:#fff}

/* 返回栏目按钮 */
.back-row{padding:0 0 80px;text-align:center}
.btn-ghost-dark{
  display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:0 28px;
  border:1.5px solid var(--ink);border-radius:var(--r-sm);color:var(--ink);font-weight:700;
  background:transparent;transition:all .2s var(--ease);
}
.btn-ghost-dark:hover{background:var(--ink);color:#fff}

/* 底部 CTA */
.cta-band{background:var(--ink);color:#fff;padding:72px 0;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(199,240,74,.12),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:32px}
.cta-inner .txt{flex:1 1 460px}
.cta-inner h2{color:#fff;font-size:clamp(1.5rem,2.8vw,2.2rem);font-weight:800;line-height:1.28}
.cta-inner p{margin-top:14px;color:rgba(255,255,255,.76);max-width:56ch;font-size:1rem}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 28px;border-radius:var(--r-sm);border:0;
  background:var(--orange);color:#fff;font-weight:700;font-size:1rem;
  box-shadow:0 14px 30px -14px rgba(255,92,40,.95);transition:all .2s var(--ease);
}
.btn-solid:hover{background:var(--orange-deep);color:#fff;transform:translateY(-1px)}
.btn-outline-light2{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-sm);
  border:1.5px solid rgba(255,255,255,.34);color:#fff;font-weight:700;background:transparent;
  transition:all .2s var(--ease);
}
.btn-outline-light2:hover{background:rgba(255,255,255,.12);border-color:var(--lime);color:#fff}

/* 页脚 */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;gap:36px}
@media (max-width:991px){.footer-top{grid-template-columns:1fr 1fr}}
@media (max-width:575px){.footer-top{grid-template-columns:1fr;gap:28px}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:900;font-size:1.0625rem}
.footer-desc{margin-top:16px;font-size:.875rem;line-height:1.85;color:rgba(255,255,255,.62);max-width:34ch}
.footer-col h4{color:#fff;font-size:.8125rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:16px}
.footer-col a,.footer-col span{display:block;font-size:.875rem;color:rgba(255,255,255,.68);padding:6px 0}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:.8125rem;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:var(--lime)}
.footer-bottom a:hover{color:#fff}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}
@media (max-width:575px){
  .article-body{font-size:1rem}
  .btn-solid,.btn-ghost-dark,.btn-outline-light2{width:100%}
  .cta-actions{width:100%}
}

/* roulang page: category1 */
:root{
  --ink:#0F2621;
  --ink-deep:#0B1D19;
  --ink-soft:#16332B;
  --lime:#C7F04A;
  --orange:#FF5C28;
  --orange-dark:#E84A18;
  --paper:#F7F5F1;
  --fog:#ECE9E2;
  --white:#FFFFFF;
  --t1:#14181A;
  --t2:#5C6469;
  --t3:#8A9199;
  --line:#DCD8CF;
  --ok:#1F9D6B;
  --warn:#D94A3D;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(20,24,26,.04), 0 12px 32px -12px rgba(20,24,26,.16);
  --shadow-2:0 24px 48px -20px rgba(20,24,26,.28);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-cond:"Oswald","Archivo Narrow","Arial Narrow",var(--font-sans);

  --bs-primary:#FF5C28;
  --bs-body-bg:#F7F5F1;
  --bs-body-color:#14181A;
  --bs-border-color:#DCD8CF;
  --bs-border-radius:10px;
  --bs-border-radius-lg:16px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-link-color:#14181A;
  --bs-link-hover-color:#0F2621;
  --bs-emphasis-color:#14181A;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.85;
  color:var(--t1);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--t1);text-decoration:none;transition:color .22s cubic-bezier(.2,.7,.2,1);}
a:hover{color:var(--ink);}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container{max-width:1320px;}}
@media (max-width:767.98px){.container{padding:0 18px;}}

.sec{padding:96px 0;}
.sec-fog{background:var(--fog);}
.sec-ink{background:var(--ink);color:var(--white);}
@media (max-width:767.98px){.sec{padding:64px 0;}}

.sec-head{margin-bottom:48px;max-width:780px;}
.sec-head h2{
  font-size:clamp(1.6rem,3vw,2.4rem);
  font-weight:800;
  line-height:1.25;
  padding-left:16px;
  position:relative;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--lime);
}
.sec-head p{margin-top:14px;color:var(--t2);max-width:68ch;}
.sec-ink .sec-head p{color:rgba(255,255,255,.7);}

.eyebrow{
  font-family:var(--font-cond);
  font-size:.75rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--t2);
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--lime);display:inline-block;}

/* ---------- 顶部公告条 ---------- */
.topbar{background:var(--ink-deep);color:rgba(255,255,255,.82);font-size:.8125rem;}
.topbar-inner{display:flex;align-items:center;gap:12px;min-height:42px;}
.topbar-dot{width:8px;height:8px;border-radius:50%;background:var(--lime);flex:0 0 auto;box-shadow:0 0 0 4px rgba(199,240,74,.16);}
.topbar-text{margin:0;flex:1 1 auto;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-link{color:var(--lime);font-weight:600;white-space:nowrap;display:inline-flex;align-items:center;gap:6px;}
.topbar-link:hover{color:#fff;}
@media (max-width:575.98px){.topbar-link{display:none;}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;}
.mainnav{background:var(--ink);border-bottom:1px solid rgba(255,255,255,.08);}
.mainnav-inner{display:flex;align-items:center;gap:24px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;flex:0 0 auto;}
.brand:hover{color:#fff;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--lime);color:var(--ink);
  font-family:var(--font-cond);font-weight:700;font-size:1.25rem;
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-text{font-weight:800;font-size:1.0625rem;letter-spacing:.01em;white-space:nowrap;}
.navlinks{display:flex;align-items:center;gap:6px;margin:0 auto 0 12px;}
.navlinks li a{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  color:rgba(255,255,255,.78);font-size:.9375rem;font-weight:600;border-radius:8px;
}
.navlinks li a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .22s cubic-bezier(.2,.7,.2,1);
}
.navlinks li a:hover{color:#fff;}
.navlinks li a:hover::after,.navlinks li a.active::after{transform:scaleX(1);}
.navlinks li a.active{color:var(--lime);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.mainnav .btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 20px;
  border:1.5px solid rgba(255,255,255,.38);border-radius:10px;background:transparent;
  color:#fff;font-weight:700;font-size:.9375rem;transition:all .22s cubic-bezier(.2,.7,.2,1);
}
.mainnav .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border:0;border-radius:10px;
  background:var(--orange);color:#fff;font-weight:700;font-size:1rem;
  transition:background .22s cubic-bezier(.2,.7,.2,1),transform .22s cubic-bezier(.2,.7,.2,1),box-shadow .22s;
  box-shadow:0 10px 24px -14px rgba(255,92,40,.7);
}
.btn-cta:hover,.btn-cta:focus{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.mainnav .btn-cta{height:44px;padding:0 22px;font-size:.9375rem;}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:10px;background:transparent;
  border:1.5px solid var(--ink);color:var(--ink);font-weight:700;
  transition:all .22s cubic-bezier(.2,.7,.2,1);
}
.btn-line:hover{background:var(--ink);color:#fff;}
.btn-line-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:10px;background:transparent;
  border:1.5px solid rgba(255,255,255,.5);color:#fff;font-weight:700;
  transition:all .22s cubic-bezier(.2,.7,.2,1);
}
.btn-line-light:hover{background:#fff;color:var(--ink);border-color:#fff;}
.drawer-toggle{
  margin-left:auto;width:46px;height:46px;border-radius:10px;border:1.5px solid rgba(255,255,255,.3);
  background:transparent;color:#fff;font-size:1.125rem;display:inline-flex;align-items:center;justify-content:center;
}
.drawer-toggle:hover{background:rgba(255,255,255,.1);}

.drawer{background:var(--ink);color:#fff;width:340px !important;}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:18px 20px;}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.8;}
.drawer .offcanvas-body{padding:0;display:flex;flex-direction:column;}
.drawer-link{
  display:block;padding:18px 20px;color:rgba(255,255,255,.86);font-weight:700;font-size:1.0625rem;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer-link:hover,.drawer-link.active{color:var(--lime);background:rgba(255,255,255,.04);}
.drawer-foot{margin-top:auto;padding:20px;border-top:1px solid rgba(255,255,255,.12);}
.drawer-foot .btn-cta{width:100%;}
.drawer-foot p{margin-top:12px;font-size:.8125rem;color:rgba(255,255,255,.6);}

/* ---------- 面包屑 ---------- */
.crumb{font-size:.8125rem;color:rgba(255,255,255,.66);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:var(--lime);}
.crumb .sep{opacity:.5;}
.crumb .now{color:#fff;font-weight:600;}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;isolation:isolate;overflow:hidden;
  min-height:340px;display:flex;align-items:center;
  padding:56px 0 64px;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(15,38,33,.94) 6%,rgba(15,38,33,.72) 58%,rgba(15,38,33,.6) 100%);
}
.cat-hero .crumb{margin-bottom:16px;}
.cat-hero h1{
  color:#fff;font-size:clamp(2rem,4.4vw,3.4rem);font-weight:900;line-height:1.08;letter-spacing:-.02em;
  max-width:20ch;
}
.cat-hero h1 em{font-style:normal;color:var(--lime);}
.cat-hero .lead{margin-top:16px;color:rgba(255,255,255,.78);max-width:62ch;font-size:1.0625rem;}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:32px;padding-top:24px;border-top:1px solid rgba(255,255,255,.16);}
.hero-meta div{min-width:110px;}
.hero-meta b{display:block;font-family:var(--font-cond);font-size:1.9rem;font-weight:700;color:var(--lime);line-height:1.1;}
.hero-meta span{font-size:.8125rem;color:rgba(255,255,255,.66);letter-spacing:.04em;}

/* ---------- 说明段 ---------- */
.intro{padding:56px 0 8px;}
.intro-card{
  background:var(--white);border-radius:var(--r-lg);padding:32px 36px;box-shadow:var(--shadow-1);
  display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
}
.intro-card p{color:var(--t2);max-width:72ch;}
.intro-card .btn-line{flex:0 0 auto;}
@media (max-width:991.98px){.intro-card{grid-template-columns:1fr;padding:26px 22px;}}

/* ---------- 图文交替 ---------- */
.cat-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:40px 0;}
.cat-row + .cat-row{border-top:1px solid var(--line);}
.cat-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);aspect-ratio:16/11;background:var(--fog);}
.cat-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s cubic-bezier(.2,.7,.2,1);}
.cat-row:hover .cat-media img{transform:scale(1.03);}
.cat-media .badge-float{
  position:absolute;left:16px;top:16px;background:var(--lime);color:var(--ink);
  font-size:.75rem;font-weight:700;letter-spacing:.06em;padding:7px 14px;border-radius:var(--r-pill);
}
.cat-row.rev .cat-media{order:2;}
.cat-row.rev .cat-copy{order:1;}
.cat-copy .tag{
  display:inline-block;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--ink);background:rgba(199,240,74,.4);padding:5px 12px;border-radius:var(--r-pill);font-weight:700;
  margin-bottom:14px;
}
.cat-copy h3{font-size:1.375rem;font-weight:700;line-height:1.35;margin-bottom:12px;}
.cat-copy p{color:var(--t2);max-width:56ch;}
.ticks{margin-top:16px;display:grid;gap:10px;}
.ticks li{position:relative;padding-left:26px;color:var(--t1);font-size:.9375rem;}
.ticks li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.75rem;
  color:var(--ok);position:absolute;left:0;top:.42em;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;margin-top:20px;font-weight:700;color:var(--ink);
  border-bottom:2px solid transparent;padding-bottom:2px;
}
.link-arrow i{transition:transform .22s cubic-bezier(.2,.7,.2,1);}
.link-arrow:hover{border-bottom-color:var(--lime);}
.link-arrow:hover i{transform:translateX(4px);}
@media (max-width:991.98px){
  .cat-row{grid-template-columns:1fr;gap:24px;padding:32px 0;}
  .cat-row.rev .cat-media,.cat-row.rev .cat-copy{order:0;}
}

/* ---------- 数据带 ---------- */
.stats-band{background:var(--ink);color:#fff;padding:56px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stats-item{padding:8px 28px;border-left:1px solid rgba(255,255,255,.14);}
.stats-item:first-child{border-left:0;padding-left:0;}
.stats-item b{display:block;font-family:var(--font-cond);font-size:2.4rem;font-weight:700;color:var(--lime);line-height:1.1;}
.stats-item h3{font-size:1rem;font-weight:700;margin-top:8px;}
.stats-item p{font-size:.875rem;color:rgba(255,255,255,.66);margin-top:2px;}
@media (max-width:767.98px){
  .stats-grid{grid-template-columns:1fr 1fr;gap:24px 0;}
  .stats-item:nth-child(3){border-left:0;padding-left:0;}
  .stats-item{padding:0 18px;}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;}
.faq-acc .accordion-item{background:transparent;border:0;border-top:1px solid var(--line);border-radius:0;}
.faq-acc .accordion-item:last-child{border-bottom:1px solid var(--line);}
.faq-acc .accordion-header{margin:0;}
.faq-acc .accordion-button{
  background:transparent;box-shadow:none;border:0;border-radius:0;
  min-height:56px;padding:16px 4px;font-size:1.0625rem;font-weight:700;color:var(--t1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--ink);background:transparent;box-shadow:none;}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--lime);outline-offset:-2px;}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;font-family:var(--font-cond);font-size:1.5rem;font-weight:600;
  color:var(--ink);width:auto;height:auto;display:flex;align-items:center;justify-content:center;
  transition:transform .22s cubic-bezier(.2,.7,.2,1);flex:0 0 auto;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"+";transform:rotate(135deg);}
.faq-acc .accordion-body{padding:0 4px 22px;color:var(--t2);max-width:70ch;}

/* ---------- 交叉链接 ---------- */
.cat-strip{display:flex;flex-wrap:wrap;gap:14px;}
.cat-strip a{
  display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:0 22px;
  border:1.5px solid var(--line);border-radius:var(--r-pill);background:var(--white);
  font-weight:700;font-size:.9375rem;transition:all .22s cubic-bezier(.2,.7,.2,1);
}
.cat-strip a:hover{background:var(--ink);border-color:var(--ink);color:#fff;transform:translateY(-2px);}
.cat-strip a.current{background:var(--ink);border-color:var(--ink);color:var(--lime);}
.cat-strip a i{font-size:.8125rem;opacity:.7;}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--ink);color:#fff;padding:72px 0;position:relative;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(199,240,74,.14),transparent 66%);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center;}
.cta-inner h2{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:900;line-height:1.2;}
.cta-inner p{margin-top:14px;color:rgba(255,255,255,.72);max-width:52ch;}
.cta-btns{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
@media (max-width:991.98px){
  .cta-inner{grid-template-columns:1fr;}
  .cta-btns{justify-content:flex-start;}
}

/* ---------- 页面主按钮统计区 ---------- */
.page-cta-line{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:24px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 0;font-size:.9375rem;}
.footer-top{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:36px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;}
.footer-brand .brand-text{color:#fff;}
.footer-desc{margin-top:16px;max-width:34ch;color:rgba(255,255,255,.6);font-size:.875rem;}
.footer-col h4{color:#fff;font-size:.875rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px;}
.footer-col a,.footer-col span{display:block;color:rgba(255,255,255,.68);margin-bottom:10px;font-size:.875rem;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:.8125rem;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.78);}
.footer-bottom a:hover{color:var(--lime);}
@media (max-width:991.98px){
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:575.98px){
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* ---------- Bootstrap 清味 ---------- */
.btn{border-radius:10px;font-weight:700;}
.btn:focus-visible{box-shadow:none;}
.card{border:0;box-shadow:none;border-radius:var(--r-md);}
.nav{border:0;}

/* ---------- 动效 ---------- */
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --ink:#0F2621;
  --ink-deep:#0B1D19;
  --lime:#C7F04A;
  --orange:#FF5C28;
  --orange-dark:#E84A18;
  --paper:#F7F5F1;
  --mist:#ECE9E2;
  --card:#FFFFFF;
  --text:#14181A;
  --muted:#5C6469;
  --faint:#8A9199;
  --line:#DCD8CF;
  --ok:#1F9D6B;
  --warn:#D94A3D;
  --r-lg:16px;
  --r-md:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,24,26,.04), 0 12px 32px -12px rgba(20,24,26,.16);
  --sh-2:0 24px 48px -20px rgba(20,24,26,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Oswald","Archivo Narrow","Arial Narrow",var(--font-sans);

  --bs-primary:#FF5C28;
  --bs-body-bg:#F7F5F1;
  --bs-body-color:#14181A;
  --bs-border-color:#DCD8CF;
  --bs-border-radius:12px;
  --bs-border-radius-lg:16px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-link-color:#0F2621;
  --bs-link-hover-color:#E84A18;
}

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

html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }

body{
  margin:0;
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{ max-width:100%; display:block; height:auto; }
a{ color:var(--ink); text-decoration:none; transition:color .2s var(--ease); }
a:hover{ color:var(--orange-dark); }
h1,h2,h3,h4,h5{ margin:0; font-weight:800; letter-spacing:-.01em; line-height:1.25; }
p{ margin:0 0 1rem; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; }
:focus-visible{ outline:2px solid var(--lime); outline-offset:2px; border-radius:4px; }

.container{
  width:100%;
  max-width:1240px;
  margin-inline:auto;
  padding-inline:24px;
}
@media (min-width:1400px){ .container{ max-width:1320px; } }

/* ---------- Header ---------- */
.site-header{ position:relative; z-index:1040; }

.topbar{
  background:var(--ink-deep);
  color:rgba(255,255,255,.75);
  font-size:.8125rem;
}
.topbar-inner{
  display:flex;
  align-items:center;
  gap:12px;
  min-height:40px;
}
.topbar-dot{
  flex:0 0 8px;
  width:8px; height:8px; border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 4px rgba(199,240,74,.16);
}
.topbar-text{
  margin:0;
  flex:1 1 auto;
  min-width:0;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  color:rgba(255,255,255,.72);
}
.topbar-link{
  color:var(--lime);
  font-weight:700;
  white-space:nowrap;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.topbar-link:hover{ color:#fff; }
.topbar-link i{ font-size:.75rem; transition:transform .22s var(--ease); }
.topbar-link:hover i{ transform:translateX(3px); }

.mainnav{
  background:var(--ink);
  position:sticky;
  top:0;
  z-index:1035;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mainnav-inner{
  display:flex;
  align-items:center;
  gap:22px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  flex:0 0 auto;
}
.brand:hover{ color:#fff; }
.brand-mark{
  width:38px; height:38px;
  border-radius:11px;
  background:var(--lime);
  color:var(--ink);
  display:grid;
  place-items:center;
  font-weight:900;
  font-size:1.125rem;
  font-family:var(--font-num);
  letter-spacing:.02em;
}
.brand-text{
  font-weight:800;
  font-size:1.0625rem;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.navlinks{
  display:flex;
  align-items:center;
  gap:2px;
  margin:0 auto 0 0;
}
.navlinks a{
  position:relative;
  display:block;
  padding:10px 14px;
  font-size:.9375rem;
  font-weight:600;
  color:rgba(255,255,255,.76);
  border-radius:8px;
}
.navlinks a::after{
  content:"";
  position:absolute;
  left:14px; right:14px; bottom:5px;
  height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s var(--ease);
}
.navlinks a:hover,
.navlinks a.active{ color:#fff; }
.navlinks a:hover::after,
.navlinks a.active::after{ transform:scaleX(1); }
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 18px;
  border:1.5px solid rgba(255,255,255,.34);
  border-radius:var(--r-btn);
  color:#fff;
  font-weight:700;
  font-size:.9375rem;
  transition:all .2s var(--ease);
}
.btn-ghost:hover{
  background:#fff;
  border-color:#fff;
  color:var(--ink);
}
.btn-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  background:var(--orange);
  color:#fff;
  border-radius:var(--r-btn);
  font-weight:700;
  font-size:.9375rem;
  border:0;
  transition:all .2s var(--ease);
}
.btn-cta:hover{
  background:var(--orange-dark);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 10px 24px -12px rgba(255,92,40,.75);
}
.drawer-toggle{
  margin-left:auto;
  width:46px; height:46px;
  border-radius:12px;
  border:1.5px solid rgba(255,255,255,.3);
  background:transparent;
  color:#fff;
  font-size:1.0625rem;
  display:grid;
  place-items:center;
}

/* ---------- Drawer ---------- */
.drawer{
  background:var(--ink);
  color:#fff;
  width:min(88vw, 360px);
  border-left:1px solid rgba(255,255,255,.1);
}
.drawer .offcanvas-header{
  padding:20px 22px;
  border-bottom:1px solid rgba(255,255,255,.12);
  align-items:center;
}
.drawer .offcanvas-header .brand-text{ color:#fff; }
.drawer-close{
  width:44px; height:44px;
  border-radius:12px;
  border:1.5px solid rgba(255,255,255,.28);
  background:transparent;
  color:#fff;
  display:grid;
  place-items:center;
  font-size:1rem;
}
.drawer .offcanvas-body{ padding:10px 22px 22px; }
.drawer-link{
  display:block;
  padding:16px 4px;
  font-size:1.0625rem;
  font-weight:700;
  color:rgba(255,255,255,.82);
  border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer-link:hover,
.drawer-link.active{ color:var(--lime); }
.drawer-foot{
  padding:18px 22px 26px;
  border-top:1px solid rgba(255,255,255,.12);
  display:grid;
  gap:12px;
}
.drawer-foot .btn-cta{ width:100%; height:48px; }
.drawer-note{
  font-size:.8125rem;
  color:rgba(255,255,255,.55);
  text-align:center;
}

/* ---------- Category hero ---------- */
.cat-hero{
  position:relative;
  display:flex;
  align-items:center;
  min-height:340px;
  color:#fff;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  overflow:hidden;
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(102deg, rgba(11,29,25,.9) 0%, rgba(15,38,33,.74) 52%, rgba(15,38,33,.58) 100%);
}
.cat-hero::after{
  content:"";
  position:absolute;
  top:-180px; right:-90px;
  width:520px; height:520px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(199,240,74,.12), rgba(199,240,74,0) 68%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  width:100%;
  padding:48px 0 52px;
}
.crumbs{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:.8125rem;
  color:rgba(255,255,255,.58);
  margin-bottom:18px;
}
.crumbs a{ color:rgba(255,255,255,.72); }
.crumbs a:hover{ color:var(--lime); }
.crumbs .sep{ opacity:.5; }
.crumbs .current{ color:#fff; }
.eyebrow{
  font-family:var(--font-num);
  font-size:.75rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--lime);
  margin-bottom:14px;
}
.cat-title{
  font-size:clamp(2.1rem, 4.6vw, 3.4rem);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.06;
  margin-bottom:16px;
}
.cat-title .sep{ color:rgba(255,255,255,.4); margin:0 12px; font-weight:400; }
.cat-title .kw{ color:var(--lime); }
.cat-sub{
  max-width:62ch;
  color:rgba(255,255,255,.82);
  font-size:1.0625rem;
  line-height:1.8;
  margin-bottom:26px;
}
.hero-cta{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:34px;
}
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  background:var(--orange);
  color:#fff;
  border:0;
  border-radius:var(--r-btn);
  font-weight:700;
  font-size:1rem;
  transition:all .2s var(--ease);
}
.btn-main:hover{
  background:var(--orange-dark);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 14px 28px -14px rgba(255,92,40,.8);
}
.btn-outline-w{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border:1.5px solid rgba(255,255,255,.5);
  border-radius:var(--r-btn);
  color:#fff;
  font-weight:700;
  font-size:1rem;
  transition:all .2s var(--ease);
}
.btn-outline-w:hover{
  background:#fff;
  border-color:#fff;
  color:var(--ink);
}
.hero-stats{
  display:flex;
  align-items:flex-start;
  gap:52px;
}
.hero-stats .item{ min-width:0; }
.hero-stats .num{
  display:block;
  font-family:var(--font-num);
  font-size:2.25rem;
  font-weight:600;
  line-height:1;
  color:var(--lime);
  letter-spacing:.01em;
}
.hero-stats .lbl{
  display:block;
  margin-top:8px;
  font-size:.8125rem;
  color:rgba(255,255,255,.64);
  white-space:nowrap;
}

/* ---------- Sections ---------- */
.section{ padding:96px 0; }
.section--mist{ background:var(--mist); }
.section--paper{ background:var(--paper); }
.sec-head{ margin-bottom:44px; }
.sec-head h2{
  position:relative;
  padding-left:18px;
  font-size:clamp(1.6rem, 3vw, 2.4rem);
  font-weight:800;
  margin-bottom:14px;
}
.sec-head h2::before{
  content:"";
  position:absolute;
  left:0; top:.18em;
  width:4px;
  height:.92em;
  border-radius:2px;
  background:var(--lime);
}
.sec-head p{
  max-width:70ch;
  color:var(--muted);
  margin:0;
}
.sec-head--dark h2{ color:#fff; }
.sec-head--dark p{ color:rgba(255,255,255,.7); }

.intro-note{
  max-width:860px;
  padding:26px 30px;
  background:#fff;
  border-left:4px solid var(--lime);
  border-radius:0 var(--r-md) var(--r-md) 0;
  box-shadow:var(--sh-1);
  color:var(--muted);
  line-height:1.9;
}
.intro-note strong{ color:var(--ink); }

/* ---------- Numbered list ---------- */
.numlist{
  border-top:1px solid var(--line);
}
.numitem{
  display:grid;
  grid-template-columns:150px 1fr 46px;
  gap:24px;
  align-items:start;
  padding:34px 0;
  border-bottom:1px solid var(--line);
  transition:background .24s var(--ease);
}
.numitem:hover{
  background:linear-gradient(90deg, rgba(199,240,74,.14), rgba(199,240,74,0) 62%);
}
.numitem .num{
  font-family:var(--font-num);
  font-size:clamp(2.4rem, 4vw, 3.25rem);
  font-weight:600;
  line-height:.9;
  color:var(--ink);
  opacity:.2;
  transition:all .26s var(--ease);
}
.numitem:hover .num{ opacity:1; color:var(--orange); }
.numitem h3{
  font-size:1.25rem;
  font-weight:700;
  margin-bottom:10px;
}
.numitem .body p{
  color:var(--muted);
  max-width:68ch;
  margin-bottom:14px;
  line-height:1.85;
}
.tags{ display:flex; flex-wrap:wrap; gap:8px; }
.tag{
  display:inline-flex;
  align-items:center;
  padding:5px 12px;
  font-size:.75rem;
  letter-spacing:.06em;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--muted);
}
.tag--lime{
  background:rgba(199,240,74,.3);
  border-color:rgba(199,240,74,.95);
  color:#334A12;
  font-weight:700;
}
.numitem .arrow{
  width:44px; height:44px;
  border-radius:50%;
  border:1.5px solid var(--line);
  display:grid;
  place-items:center;
  color:var(--ink);
  font-size:.875rem;
  transition:all .24s var(--ease);
}
.numitem:hover .arrow{
  background:var(--ink);
  border-color:var(--ink);
  color:#fff;
  transform:translateX(4px);
}

/* ---------- Split panel ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.split-img{
  width:100%;
  aspect-ratio:4 / 3;
  object-fit:cover;
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
}
.feature-list{ display:grid; gap:22px; }
.feature-list li{
  display:grid;
  grid-template-columns:30px 1fr;
  gap:14px;
  align-items:start;
}
.feature-list .ico{
  width:30px; height:30px;
  border-radius:9px;
  background:rgba(199,240,74,.35);
  color:var(--ink);
  display:grid;
  place-items:center;
  font-size:.8125rem;
}
.feature-list h3{
  font-size:1.0625rem;
  font-weight:700;
  margin-bottom:6px;
}
.feature-list p{
  margin:0;
  color:var(--muted);
  font-size:.9375rem;
  line-height:1.8;
}

/* ---------- FAQ ---------- */
.faq{ max-width:920px; }
.faq .accordion-item{
  border:0;
  border-bottom:1px solid var(--line);
  background:transparent;
}
.faq .accordion-button{
  background:transparent;
  box-shadow:none;
  border:0;
  padding:22px 0;
  font-size:1.0625rem;
  font-weight:700;
  color:var(--text);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.faq .accordion-button:not(.collapsed){ color:var(--ink); }
.faq .accordion-button::after{ display:none; }
.faq .accordion-button:focus{ box-shadow:none; }
.faq-ico{
  position:relative;
  flex:0 0 22px;
  width:22px; height:22px;
  transition:transform .28s var(--ease);
}
.faq-ico::before,
.faq-ico::after{
  content:"";
  position:absolute;
  background:var(--ink);
  border-radius:2px;
}
.faq-ico::before{ left:0; right:0; top:10px; height:2px; }
.faq-ico::after{ top:0; bottom:0; left:10px; width:2px; transition:transform .28s var(--ease); }
.accordion-button:not(.collapsed) .faq-ico{ transform:rotate(180deg); }
.accordion-button:not(.collapsed) .faq-ico::after{ transform:scaleY(0); }
.faq .accordion-body{
  padding:0 0 24px;
  color:var(--muted);
  max-width:72ch;
  line-height:1.85;
}

/* ---------- Cross links ---------- */
.cross-wrap{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  margin-top:32px;
}
.cross-link{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:13px 22px;
  min-height:48px;
  border:1.5px solid var(--line);
  border-radius:var(--r-pill);
  background:#fff;
  font-weight:700;
  font-size:.9375rem;
  color:var(--ink);
  transition:all .2s var(--ease);
}
.cross-link:hover{
  border-color:var(--ink);
  background:var(--ink);
  color:#fff;
}
.cross-link i{ font-size:.75rem; }

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--ink);
  color:#fff;
  border-radius:20px;
  padding:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-120px; bottom:-160px;
  width:420px; height:420px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(199,240,74,.14), rgba(199,240,74,0) 70%);
  pointer-events:none;
}
.cta-band h2{
  font-size:clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight:800;
  margin-bottom:12px;
  position:relative;
  z-index:2;
}
.cta-band p{
  margin:0;
  color:rgba(255,255,255,.75);
  max-width:52ch;
  position:relative;
  z-index:2;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  position:relative;
  z-index:2;
  flex:0 0 auto;
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink-deep);
  color:rgba(255,255,255,.7);
  padding-top:72px;
  margin-top:0;
}
.footer-top{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  margin-bottom:14px;
}
.footer-desc{
  color:rgba(255,255,255,.6);
  font-size:.9375rem;
  max-width:34ch;
  margin:0;
}
.footer-col h4{
  font-size:.8125rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:#fff;
  font-weight:700;
  margin-bottom:16px;
}
.footer-col a,
.footer-col span{
  display:block;
  padding:6px 0;
  font-size:.9375rem;
  color:rgba(255,255,255,.66);
}
.footer-col a:hover{ color:var(--lime); }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:.8125rem;
  color:rgba(255,255,255,.5);
}
.footer-bottom a{ color:rgba(255,255,255,.72); }
.footer-bottom a:hover{ color:var(--lime); }

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .navlinks a{ padding:10px 10px; font-size:.875rem; }
  .numitem{ grid-template-columns:110px 1fr 46px; }
}

@media (max-width:991px){
  .section{ padding:76px 0; }
  .cat-hero{ min-height:300px; }
  .split{ grid-template-columns:1fr; gap:32px; }
  .footer-top{ grid-template-columns:1fr 1fr 1fr; }
  .cta-band{ padding:44px 32px; flex-direction:column; align-items:flex-start; }
  .hero-stats{ gap:38px; }
}

@media (max-width:767px){
  .container{ padding-inline:18px; }
  .section{ padding:64px 0; }
  .cat-hero{ min-height:0; }
  .hero-inner{ padding:36px 0 42px; }
  .hero-cta{ margin-bottom:28px; }
  .hero-cta .btn-main,
  .hero-cta .btn-outline-w{ width:100%; }
  .hero-stats{
    gap:26px;
    overflow-x:auto;
    flex-wrap:nowrap;
    padding-bottom:6px;
    -webkit-overflow-scrolling:touch;
  }
  .hero-stats .num{ font-size:1.875rem; }
  .numitem{
    grid-template-columns:1fr;
    gap:12px;
    padding:28px 0;
  }
  .numitem .arrow{ display:none; }
  .numitem .num{ font-size:2rem; }
  .intro-note{ padding:22px 20px; }
  .faq .accordion-button{ font-size:1rem; padding:20px 0; }
  .cross-link{ width:100%; justify-content:space-between; }
  .cta-band{ padding:34px 22px; border-radius:16px; }
  .cta-actions{ width:100%; }
  .cta-actions .btn-main,
  .cta-actions .btn-outline-w{ width:100%; }
  .footer-top{ grid-template-columns:1fr 1fr; }
}

@media (max-width:575px){
  body{ font-size:.9375rem; }
  .topbar-text{ font-size:.75rem; }
  .cat-title{ font-size:clamp(1.8rem, 8vw, 2.2rem); }
  .cat-title .sep{ display:none; }
  .cat-title .kw{ display:block; }
  .sec-head h2{ font-size:1.5rem; }
  .hero-stats .lbl{ font-size:.75rem; }
  .footer-top{ grid-template-columns:1fr; }
  .footer-bottom{ flex-direction:column; }
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category3 */
:root{
  --bs-primary:#FF5C28;
  --bs-body-bg:#F7F5F1;
  --bs-body-color:#14181A;
  --bs-border-color:#DCD8CF;
  --bs-border-radius:10px;
  --bs-border-radius-lg:16px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-link-color:#14181A;
  --bs-link-hover-color:#0F2621;

  --ink:#0F2621;
  --ink-soft:#173A32;
  --lime:#C7F04A;
  --orange:#FF5C28;
  --orange-dark:#E84A18;
  --paper:#F7F5F1;
  --mist:#ECE9E2;
  --card:#FFFFFF;
  --text:#14181A;
  --muted:#5C6469;
  --faint:#8A9199;
  --line:#DCD8CF;
  --ok:#1F9D6B;
  --warn:#D94A3D;

  --r-lg:16px;
  --r-sm:12px;
  --r-btn:10px;
  --sh:0 1px 2px rgba(20,24,26,.04),0 12px 32px -12px rgba(20,24,26,.16);
  --sh-hover:0 24px 48px -20px rgba(20,24,26,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
  --cond:"Oswald","Archivo Narrow","PingFang SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:1rem;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--ink);}
h1,h2,h3,h4,h5{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px;}
@media (min-width:1400px){.container{max-width:1320px;}}
@media (max-width:767px){.container{padding-left:18px;padding-right:18px;}}

/* ---------- Header ---------- */
.site-header{position:relative;z-index:1030;}
.topbar{background:var(--ink);color:rgba(255,255,255,.86);}
.topbar-inner{display:flex;align-items:center;gap:10px;min-height:42px;font-size:.8125rem;}
.topbar-dot{width:7px;height:7px;border-radius:50%;background:var(--lime);flex:0 0 auto;box-shadow:0 0 0 4px rgba(199,240,74,.16);}
.topbar-text{margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1 1 auto;color:rgba(255,255,255,.8);}
.topbar-link{flex:0 0 auto;color:var(--lime);font-weight:600;font-size:.8125rem;}
.topbar-link i{font-size:.7rem;margin-left:4px;transition:transform .22s var(--ease);}
.topbar-link:hover{color:#fff;}
.topbar-link:hover i{transform:translateX(3px);}

.mainnav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1020;}
.mainnav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;background:var(--ink);color:var(--lime);
  display:grid;place-items:center;font-family:var(--cond);font-weight:700;font-size:1.15rem;
  letter-spacing:.02em;flex:0 0 auto;
}
.brand-text{font-weight:900;font-size:1.05rem;letter-spacing:-.015em;color:var(--ink);white-space:nowrap;}

.navlinks{display:flex;align-items:center;gap:4px;margin:0;padding:0;}
.navlinks li{list-style:none;}
.navlinks a{
  position:relative;display:inline-block;padding:10px 12px;font-size:.9375rem;
  font-weight:500;color:var(--muted);border-radius:8px;white-space:nowrap;
}
.navlinks a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--lime);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.navlinks a:hover{color:var(--ink);}
.navlinks a:hover::after{transform:scaleX(1);}
.navlinks a.active{color:var(--ink);font-weight:800;}
.navlinks a.active::after{transform:scaleX(1);}

.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 18px;
  border:1.5px solid var(--ink);border-radius:var(--r-btn);color:var(--ink);
  font-weight:700;font-size:.9375rem;background:transparent;transition:all .22s var(--ease);
}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;
  padding:0 20px;border:0;border-radius:var(--r-btn);background:var(--orange);color:#fff;
  font-weight:700;font-size:.9375rem;box-shadow:0 8px 20px -10px rgba(255,92,40,.7);
  transition:all .22s var(--ease);
}
.btn-cta:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);}
.btn-cta i{font-size:.85rem;}
.drawer-toggle{
  width:44px;height:44px;border:1.5px solid var(--line);border-radius:var(--r-btn);
  background:#fff;color:var(--ink);font-size:1.05rem;
}
.drawer-toggle:hover{border-color:var(--ink);}

/* ---------- Drawer ---------- */
.drawer{width:min(88vw,360px);background:var(--paper);border-left:0;}
.drawer .offcanvas-header{padding:20px 20px 12px;border-bottom:1px solid var(--line);}
.drawer .offcanvas-body{padding:12px 20px 24px;}
.drawer-links li{border-bottom:1px solid var(--line);}
.drawer-links li:last-child{border-bottom:0;}
.drawer-links a{display:block;padding:16px 4px;font-size:1.0625rem;font-weight:700;color:var(--ink);}
.drawer-links a.active{color:var(--orange);}
.drawer-foot{padding:18px 20px 26px;border-top:1px solid var(--line);background:#fff;}
.drawer-foot .btn-cta{width:100%;height:48px;font-size:1rem;}
.drawer-foot p{margin:12px 0 0;font-size:.8125rem;color:var(--faint);text-align:center;}

/* ---------- Category hero ---------- */
.cat-hero{
  position:relative;min-height:340px;display:flex;align-items:flex-end;
  background:var(--ink) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  color:#fff;overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,38,33,.88) 0%,rgba(15,38,33,.62) 58%,rgba(15,38,33,.78) 100%);
}
.cat-hero-inner{position:relative;z-index:1;width:100%;padding:56px 0 52px;}
.breadcrumb-line{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.8125rem;color:rgba(255,255,255,.7);margin-bottom:20px;
}
.breadcrumb-line a{color:rgba(255,255,255,.7);}
.breadcrumb-line a:hover{color:var(--lime);}
.breadcrumb-line span.sep{opacity:.5;}
.breadcrumb-line .cur{color:#fff;font-weight:600;}
.kicker{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--cond);
  font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;color:var(--lime);
  margin-bottom:14px;font-weight:600;
}
.kicker::before{content:"";width:22px;height:2px;background:var(--lime);display:block;}
.cat-hero h1{
  font-size:clamp(1.9rem,3.8vw,2.9rem);font-weight:900;color:#fff;
  letter-spacing:-.02em;max-width:22ch;line-height:1.16;
}
.cat-hero .hero-sub{
  margin:14px 0 0;max-width:60ch;color:rgba(255,255,255,.78);font-size:1rem;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}
.hero-tags span{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  font-size:.75rem;letter-spacing:.04em;color:rgba(255,255,255,.9);
}

/* ---------- Sections ---------- */
.sec{padding:96px 0;}
.sec-paper{background:var(--paper);}
.sec-mist{background:var(--mist);}
.sec-ink{background:var(--ink);color:#fff;}
.sec-title{
  position:relative;padding-left:18px;font-size:clamp(1.5rem,3vw,2.2rem);
  font-weight:800;letter-spacing:-.02em;margin-bottom:14px;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  background:var(--lime);border-radius:2px;
}
.sec-lead{max-width:68ch;color:var(--muted);font-size:1rem;}
.sec-head{margin-bottom:44px;}
.sec-ink .sec-lead,.sec-ink p{color:rgba(255,255,255,.76);}

/* ---------- Intro ---------- */
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.intro-copy p{color:var(--muted);font-size:1.0625rem;}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px;}
.stat-item{border-left:3px solid var(--lime);padding-left:14px;}
.stat-num{font-family:var(--cond);font-size:clamp(1.9rem,3vw,2.5rem);font-weight:700;line-height:1;color:var(--ink);letter-spacing:-.01em;}
.stat-num em{font-style:normal;font-size:.9rem;color:var(--muted);margin-left:4px;font-family:var(--bs-font-sans-serif);font-weight:600;}
.stat-label{display:block;margin-top:8px;font-size:.8125rem;color:var(--faint);letter-spacing:.02em;}
.intro-media{position:relative;}
.intro-media img{border-radius:20px;width:100%;box-shadow:var(--sh);}
.intro-badge{
  position:absolute;right:-14px;bottom:-18px;background:#fff;border-radius:var(--r-sm);
  padding:14px 18px;box-shadow:var(--sh);border:1px solid var(--line);max-width:220px;
}
.intro-badge strong{display:block;font-family:var(--cond);font-size:1.5rem;line-height:1;color:var(--ink);}
.intro-badge span{display:block;margin-top:6px;font-size:.75rem;color:var(--muted);line-height:1.6;}

/* ---------- Dimension cards ---------- */
.dim-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.dim-card{
  background:var(--card);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh);transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  display:flex;flex-direction:column;
}
.dim-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.dim-cover{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--mist);}
.dim-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.dim-card:hover .dim-cover img{transform:scale(1.03);}
.dim-tag{
  position:absolute;left:12px;top:12px;background:var(--lime);color:var(--ink);
  font-size:.6875rem;font-weight:800;letter-spacing:.08em;padding:5px 10px;border-radius:999px;
}
.dim-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.dim-body h3{font-size:1.125rem;font-weight:700;margin-bottom:10px;}
.dim-body p{color:var(--muted);font-size:.9375rem;margin-bottom:18px;}
.dim-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:14px;}
.dim-foot span{font-size:.8125rem;color:var(--faint);}
.arrow-btn{
  width:36px;height:36px;border-radius:50%;border:1.5px solid var(--ink);
  display:grid;place-items:center;color:var(--ink);font-size:.8rem;
  transition:all .22s var(--ease);background:transparent;
}
.dim-card:hover .arrow-btn{background:var(--orange);border-color:var(--orange);color:#fff;transform:rotate(-45deg);}

/* ---------- Compare table ---------- */
.compare-head{
  display:grid;grid-template-columns:1fr 1.35fr;gap:24px;padding:0 28px 14px;
  font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);
  font-family:var(--cond);font-weight:600;
}
.compare-list{display:flex;flex-direction:column;gap:10px;}
.crow{
  display:grid;grid-template-columns:1fr 1.35fr;gap:24px;
  padding:24px 28px;border-radius:var(--r-sm);align-items:start;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.crow:nth-child(odd){background:#EDEAE3;}
.crow:nth-child(even){background:#fff;box-shadow:0 1px 2px rgba(20,24,26,.04);}
.crow:hover{transform:translateY(-2px);box-shadow:var(--sh);}
.crow-label{display:flex;gap:12px;align-items:flex-start;}
.crow-num{
  font-family:var(--cond);font-size:1rem;font-weight:700;color:var(--ink);
  background:var(--lime);border-radius:6px;min-width:34px;height:26px;
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;margin-top:3px;
}
.crow-label strong{font-size:1.0625rem;font-weight:700;line-height:1.6;color:var(--ink);}
.crow-detail p{color:var(--muted);font-size:.9375rem;margin-bottom:10px;}
.point-list{display:flex;flex-wrap:wrap;gap:8px;}
.point-list li{
  display:inline-flex;align-items:center;gap:6px;font-size:.8125rem;color:var(--ink);
  background:rgba(199,240,74,.22);border-radius:999px;padding:4px 11px;font-weight:600;
}
.point-list li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--ink);opacity:.55;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;display:flex;
  align-items:center;justify-content:space-between;gap:20px;min-height:62px;
  padding:14px 4px;font-size:1.0625rem;font-weight:700;color:var(--ink);cursor:pointer;
}
.faq-q:hover{color:var(--orange);}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1.5px solid var(--line);
  display:grid;place-items:center;font-size:.75rem;color:var(--ink);
  transition:transform .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(180deg);background:var(--lime);border-color:var(--lime);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a-inner{padding:2px 4px 22px;color:var(--muted);font-size:.9375rem;max-width:64ch;}
.faq-item.open .faq-a{max-height:320px;}

/* ---------- Cross links ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.cross-card{
  display:block;background:#fff;border-radius:var(--r-sm);padding:24px 22px;
  box-shadow:0 1px 2px rgba(20,24,26,.04);transition:all .22s var(--ease);height:100%;
  border:1px solid transparent;
}
.cross-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(199,240,74,.9);}
.cross-card .cc-num{font-family:var(--cond);font-size:.8125rem;letter-spacing:.14em;color:var(--faint);}
.cross-card h3{font-size:1.0625rem;font-weight:700;margin:10px 0 8px;}
.cross-card p{font-size:.875rem;color:var(--muted);margin-bottom:16px;}
.cross-card .cc-go{font-size:.8125rem;font-weight:700;color:var(--orange);}
.cross-card .cc-go i{font-size:.7rem;margin-left:4px;transition:transform .22s var(--ease);}
.cross-card:hover .cc-go i{transform:translateX(4px);}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink);padding:72px 0;position:relative;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(199,240,74,.16),transparent 68%);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;}
.cta-inner h2{color:#fff;font-size:clamp(1.5rem,3vw,2.15rem);margin-bottom:12px;letter-spacing:-.02em;}
.cta-inner p{color:rgba(255,255,255,.74);max-width:56ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.btn-lime{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-btn);
  background:var(--lime);color:var(--ink);font-weight:800;font-size:1rem;border:0;
  transition:all .22s var(--ease);
}
.btn-lime:hover{background:#fff;color:var(--ink);transform:translateY(-1px);}
.btn-outline-light2{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);
  border:1.5px solid rgba(255,255,255,.5);color:#fff;font-weight:700;font-size:1rem;background:transparent;
  transition:all .22s var(--ease);
}
.btn-outline-light2:hover{background:#fff;color:var(--ink);border-color:#fff;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 0;}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink);}
.footer-brand .brand-text{color:#fff;}
.footer-desc{font-size:.875rem;color:rgba(255,255,255,.6);max-width:30ch;margin:0;}
.footer-col h4{color:#fff;font-size:.9375rem;font-weight:700;margin-bottom:16px;letter-spacing:.01em;}
.footer-col a,.footer-col span{display:block;font-size:.875rem;color:rgba(255,255,255,.62);padding:6px 0;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding:22px 0 30px;font-size:.8125rem;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .dim-grid{grid-template-columns:repeat(2,1fr);}
  .cross-grid{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;row-gap:32px;}
}
@media (max-width:991px){
  .sec{padding:72px 0;}
  .intro-grid{grid-template-columns:1fr;gap:36px;}
  .intro-media{order:-1;}
  .intro-badge{right:12px;bottom:-16px;}
  .cta-inner{grid-template-columns:1fr;gap:24px;}
  .cta-actions{justify-content:flex-start;}
  .cat-hero{min-height:300px;}
}
@media (max-width:767px){
  .sec{padding:64px 0;}
  .sec-head{margin-bottom:32px;}
  .stat-row{grid-template-columns:1fr;gap:18px;}
  .dim-grid{grid-template-columns:1fr;}
  .cross-grid{grid-template-columns:1fr;}
  .compare-head{display:none;}
  .crow{grid-template-columns:1fr;gap:12px;padding:20px 18px;}
  .cta-band{padding:56px 0;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn-lime,.btn-outline-light2{width:100%;justify-content:center;}
}
@media (max-width:575px){
  body{font-size:.9375rem;}
  .cat-hero h1{font-size:1.75rem;}
  .cat-hero-inner{padding:44px 0 40px;}
  .brand-text{font-size:.95rem;}
  .topbar-text{font-size:.75rem;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category4 */
:root{
  --ink:#0F2621;
  --ink-2:#16332C;
  --lime:#C7F04A;
  --orange:#FF5C28;
  --orange-dark:#E84A18;
  --paper:#F7F5F1;
  --mist:#ECE9E2;
  --card:#FFFFFF;
  --t1:#14181A;
  --t2:#5C6469;
  --t3:#8A9199;
  --line:#DCD8CF;
  --ok:#1F9D6B;
  --warn:#D94A3D;
  --r-lg:16px;
  --r-md:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh:0 1px 2px rgba(20,24,26,.04), 0 12px 32px -12px rgba(20,24,26,.16);
  --sh-h:0 24px 48px -20px rgba(20,24,26,.28);
  --ff:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ff-num:"Oswald","Archivo Narrow","Bebas Neue","PingFang SC",sans-serif;

  --bs-primary:#0F2621;
  --bs-body-bg:#F7F5F1;
  --bs-body-color:#14181A;
  --bs-border-color:#DCD8CF;
  --bs-border-radius:12px;
  --bs-border-radius-lg:16px;
  --bs-font-sans-serif:var(--ff);
  --bs-link-color:#0F2621;
  --bs-link-hover-color:#E84A18;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--ff);font-size:1rem;line-height:1.85;color:var(--t1);
  background:var(--paper);-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
h1,h2,h3,h4,h5{margin:0;font-weight:800;line-height:1.2;letter-spacing:-.01em;color:var(--t1)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1400px){.container{max-width:1320px}}
.sec{padding:96px 0}
.sec-mist{background:var(--mist)}
@media (max-width:767px){.sec{padding:64px 0}}

/* ---------- 顶部条 ---------- */
.site-header{position:relative;z-index:1040}
.topbar{background:var(--ink);color:rgba(255,255,255,.78);font-size:.8125rem}
.topbar-inner{display:flex;align-items:center;gap:12px;min-height:38px}
.topbar-dot{width:8px;height:8px;border-radius:50%;background:var(--lime);flex:0 0 auto;box-shadow:0 0 0 4px rgba(199,240,74,.16)}
.topbar-text{margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-link{margin-left:auto;color:var(--lime);font-weight:600;white-space:nowrap}
.topbar-link:hover{color:#fff}

/* ---------- 导航 ---------- */
.mainnav{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 2px rgba(20,24,26,.04)}
.mainnav-inner{display:flex;align-items:center;gap:28px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--ink);color:var(--lime);
  display:flex;align-items:center;justify-content:center;font-weight:900;font-size:1.125rem;
  font-family:var(--ff-num);letter-spacing:.02em;
}
.brand-text{font-weight:900;font-size:1.0625rem;letter-spacing:-.01em;color:var(--ink)}
.navlinks{display:flex;align-items:center;gap:26px;margin:0}
.navlinks a{
  position:relative;font-size:.9375rem;font-weight:600;color:var(--t2);padding:6px 0;display:inline-block;
}
.navlinks a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--lime);
  transition:width .22s cubic-bezier(.2,.7,.2,1);
}
.navlinks a:hover{color:var(--ink)}
.navlinks a:hover::after,.navlinks a.active::after{width:100%}
.navlinks a.active{color:var(--ink)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);
  border:1.5px solid var(--ink);color:var(--ink);font-weight:700;font-size:.9375rem;background:transparent;
}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;
  border-radius:var(--r-btn);background:var(--orange);color:#fff;font-weight:700;font-size:.9375rem;
  border:1.5px solid var(--orange);box-shadow:0 10px 24px -14px rgba(255,92,40,.9);
}
.btn-cta:hover{background:var(--orange-dark);border-color:var(--orange-dark);color:#fff;transform:translateY(-1px)}
.drawer-toggle{
  margin-left:auto;width:46px;height:46px;border-radius:12px;border:1.5px solid var(--line);
  background:#fff;color:var(--ink);font-size:1.125rem;display:flex;align-items:center;justify-content:center;
}
.drawer-toggle:hover{border-color:var(--ink)}

/* ---------- 抽屉 ---------- */
.drawer{width:min(360px,88vw);border:0;border-left:1px solid var(--line)}
.drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px}
.drawer .offcanvas-header .brand-text{font-size:1rem}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1.5px solid var(--line);background:#fff;color:var(--ink)}
.drawer-close:hover{border-color:var(--ink)}
.drawer-body{padding:14px 22px 26px;display:flex;flex-direction:column;gap:2px}
.drawer-link{
  display:block;padding:14px 2px;font-size:1.0625rem;font-weight:700;color:var(--t1);
  border-bottom:1px solid var(--line);
}
.drawer-link:hover,.drawer-link.active{color:var(--orange)}
.drawer-foot{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.drawer-note{font-size:.8125rem;color:var(--t2);margin:0}

/* ---------- 面包屑 ---------- */
.crumb{padding:20px 0;font-size:.8125rem;color:var(--t3)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb a{color:var(--t3)}
.crumb a:hover{color:var(--ink)}
.crumb .sep{color:var(--line)}
.crumb .cur{color:var(--t1);font-weight:600}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;min-height:340px;display:flex;align-items:center;overflow:hidden;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(15,38,33,.94) 12%,rgba(15,38,33,.68) 62%,rgba(15,38,33,.5) 100%);
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(199,240,74,.14),transparent 68%);
}
.cat-hero-inner{position:relative;z-index:2;padding:64px 0 68px;max-width:820px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--ff-num);font-size:.75rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--lime);font-weight:600;margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--lime);display:block}
.cat-hero h1{
  color:#fff;font-weight:900;font-size:clamp(1.9rem,3.6vw,2.9rem);line-height:1.12;letter-spacing:-.02em;
}
.cat-hero p.hero-sub{
  margin-top:18px;color:rgba(255,255,255,.8);font-size:1.0625rem;max-width:60ch;line-height:1.8;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;height:48px;padding:0 26px;
  border-radius:var(--r-btn);background:var(--orange);color:#fff;font-weight:700;font-size:1rem;
  border:1.5px solid var(--orange);box-shadow:0 14px 30px -16px rgba(255,92,40,.95);
  transition:transform .22s cubic-bezier(.2,.7,.2,1),background-color .2s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--orange-dark);border-color:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:0 20px 38px -18px rgba(255,92,40,1)}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;height:48px;padding:0 24px;
  border-radius:var(--r-btn);border:1.5px solid var(--ink);color:var(--ink);font-weight:700;background:transparent;
}
.btn-line:hover{background:var(--ink);color:#fff}
.btn-line-light{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;height:48px;padding:0 24px;
  border-radius:var(--r-btn);border:1.5px solid rgba(255,255,255,.6);color:#fff;font-weight:700;background:transparent;
}
.btn-line-light:hover{background:#fff;color:var(--ink);border-color:#fff}

/* ---------- 通用板块标题 ---------- */
.sec-head{max-width:760px;margin-bottom:48px}
.sec-head h2{
  position:relative;padding-left:18px;font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;letter-spacing:-.02em;
}
.sec-head h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;background:var(--lime)}
.sec-head p{margin-top:16px;color:var(--t2);max-width:68ch}
.sec-head.on-dark h2{color:#fff}
.sec-head.on-dark p{color:rgba(255,255,255,.72)}

/* ---------- 说明段 ---------- */
.intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.intro-copy p{color:var(--t2);max-width:64ch}
.intro-copy p + p{margin-top:16px}
.intro-media{position:relative}
.intro-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh)}
.intro-media .media-tag{
  position:absolute;left:18px;bottom:18px;background:rgba(15,38,33,.92);color:var(--lime);
  font-family:var(--ff-num);font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;
  padding:8px 14px;border-radius:var(--r-pill);
}
.stat-row{display:flex;flex-wrap:wrap;gap:44px;margin-top:34px}
.stat .num{
  font-family:var(--ff-num);font-weight:700;font-size:2.125rem;line-height:1;color:var(--ink);
  display:inline-block;border-bottom:3px solid var(--lime);padding-bottom:6px;
}
.stat .lbl{display:block;margin-top:10px;font-size:.8125rem;color:var(--t2);letter-spacing:.02em}

/* ---------- 时间线 ---------- */
.timeline{position:relative;max-width:900px}
.tl-item{position:relative;padding-left:72px;padding-bottom:46px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:14px;top:14px;bottom:-6px;width:2px;
  background:linear-gradient(180deg,rgba(15,38,33,.42),rgba(15,38,33,.08));
}
.tl-item:last-child::before{display:none}
.tl-node{
  position:absolute;left:8px;top:8px;width:14px;height:14px;border-radius:50%;background:var(--lime);
  box-shadow:0 0 0 4px rgba(199,240,74,.3),0 0 0 1px rgba(15,38,33,.08);
}
.tl-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 28px;
  box-shadow:var(--sh);transition:transform .22s cubic-bezier(.2,.7,.2,1),box-shadow .22s ease;
}
.tl-body:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.tl-num{
  font-family:var(--ff-num);font-weight:700;font-size:1.75rem;line-height:1;color:var(--orange);
  display:block;margin-bottom:10px;letter-spacing:.02em;
}
.tl-body h3{font-size:1.25rem;font-weight:700;margin-bottom:10px}
.tl-body p{color:var(--t2);max-width:62ch}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tl-tags li{
  font-size:.75rem;letter-spacing:.06em;color:var(--ink);background:rgba(199,240,74,.34);
  border:1px solid rgba(199,240,74,.7);border-radius:var(--r-pill);padding:5px 12px;font-weight:600;
}

/* ---------- 准备清单 ---------- */
.prep-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.prep-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:26px 22px;
  box-shadow:var(--sh);transition:transform .22s cubic-bezier(.2,.7,.2,1),box-shadow .22s ease;
}
.prep-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.prep-icon{
  width:44px;height:44px;border-radius:12px;background:var(--ink);color:var(--lime);
  display:flex;align-items:center;justify-content:center;font-size:1.0625rem;margin-bottom:16px;
}
.prep-card h3{font-size:1.0625rem;font-weight:700;margin-bottom:8px}
.prep-card p{font-size:.9375rem;color:var(--t2);line-height:1.75}

/* ---------- FAQ ---------- */
.faq-acc{max-width:900px}
.faq-acc .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.faq-acc .accordion-item:first-child{border-top:1px solid var(--line)}
.faq-acc .accordion-header{margin:0}
.faq-acc .accordion-button{
  background:transparent;border:0;box-shadow:none;border-radius:0;color:var(--t1);
  font-size:1.0625rem;font-weight:700;line-height:1.5;padding:20px 44px 20px 0;min-height:56px;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--orange);background:transparent}
.faq-acc .accordion-button:focus{box-shadow:none;border:0;outline:2px solid var(--lime);outline-offset:-2px}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;width:26px;height:26px;font-size:1.375rem;font-weight:400;
  display:flex;align-items:center;justify-content:center;color:var(--ink);
  transition:transform .22s ease,color .2s ease;position:absolute;right:0;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg);color:var(--orange)}
.faq-acc .accordion-body{padding:0 60px 22px 0;color:var(--t2);font-size:.9375rem;line-height:1.85}

/* ---------- 交叉链接 ---------- */
.cross-links{display:flex;flex-wrap:wrap;gap:14px;margin-top:8px}
.cross-link{
  display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 24px;border-radius:var(--r-pill);
  border:1.5px solid var(--ink);color:var(--ink);font-weight:700;font-size:.9375rem;background:#fff;
  transition:background-color .2s ease,color .2s ease,transform .22s cubic-bezier(.2,.7,.2,1);
}
.cross-link i{font-size:.8125rem;color:var(--orange);transition:color .2s ease}
.cross-link:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.cross-link:hover i{color:var(--lime)}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--ink);position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;left:-140px;bottom:-180px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(199,240,74,.13),transparent 68%);
}
.cta-inner{position:relative;z-index:2;padding:80px 0;display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between}
.cta-copy h2{color:#fff;font-size:clamp(1.5rem,2.8vw,2.15rem);font-weight:800;max-width:22ch}
.cta-copy p{color:rgba(255,255,255,.72);margin-top:12px;max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding-top:72px;font-size:.9375rem}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink)}
.footer-brand .brand-text{color:#fff}
.footer-desc{max-width:34ch;line-height:1.8;color:rgba(255,255,255,.62)}
.footer-col h4{color:#fff;font-size:.9375rem;font-weight:700;margin-bottom:18px;letter-spacing:.02em}
.footer-col a,.footer-col span{display:block;margin-bottom:12px;color:rgba(255,255,255,.68);line-height:1.6}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:24px 0 32px;display:flex;flex-wrap:wrap;gap:12px 28px;
  justify-content:space-between;font-size:.8125rem;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.75);text-decoration:underline;text-underline-offset:3px}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .prep-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .intro-grid{grid-template-columns:1fr;gap:36px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand-col{grid-column:1 / -1}
  .cat-hero{min-height:300px}
}
@media (max-width:767px){
  .container{padding-left:18px;padding-right:18px}
  .cat-hero{min-height:280px}
  .cat-hero-inner{padding:48px 0 52px}
  .hero-actions .btn-main,.hero-actions .btn-line-light{width:100%}
  .sec-head{margin-bottom:34px}
  .tl-item{padding-left:52px;padding-bottom:34px}
  .tl-item::before{left:9px}
  .tl-node{left:3px}
  .tl-body{padding:22px 20px}
  .stat-row{gap:28px}
  .prep-grid{grid-template-columns:1fr}
  .cta-inner{padding:64px 0}
  .cta-actions{width:100%}
  .cta-actions a{width:100%}
  .faq-acc .accordion-body{padding-right:0}
}
@media (max-width:575px){
  body{font-size:.9688rem}
  .brand-text{font-size:.9375rem}
  .footer-top{grid-template-columns:1fr}
  .cross-link{width:100%;justify-content:space-between}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}