/* roulang page: index */
:root{
  --brand:#B7F03A;
  --brand-soft:rgba(183,240,58,.12);
  --brand-deep:#2C4A21;
  --accent:#FF6B35;
  --accent-dark:#E4551F;
  --ink:#12211C;
  --ink-2:#1B2F28;
  --ink-3:#0C1713;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --line:#E3E0D8;
  --text:#23292A;
  --text-2:#5C6664;
  --text-3:#8A918E;
  --dark-text:#F2F4F0;
  --dark-text-2:#A9B6B0;
  --ok:#2E9E6B;
  --warn:#E0A32E;
  --err:#D2453A;
  --r-card:14px;
  --r-lg:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,33,28,.06);
  --sh-2:0 12px 28px rgba(18,33,28,.14);
  --sect:88px;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.75;
  color:var(--text);background:var(--paper);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sect) 0}
.section-dark{background:var(--ink);color:var(--dark-text)}
.section-dark .sec-sub,.section-dark .sec-desc{color:var(--dark-text-2)}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--ink-3);color:var(--dark-text-2);font-size:13px;height:36px;display:flex;align-items:center}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-brand{color:var(--brand);font-weight:700;white-space:nowrap}
.topbar-links{display:flex;gap:18px;flex-wrap:nowrap;overflow:hidden}
.topbar-links a{color:var(--dark-text-2);transition:color .2s ease}
.topbar-links a:hover{color:var(--brand)}

/* ============ 主导航 ============ */
.site-header{position:sticky;top:0;z-index:1030}
.mainnav{background:rgba(18,33,28,.94);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.06);transition:padding .25s ease,background .25s ease}
.mainnav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .mainnav{background:rgba(12,23,19,.98);border-bottom-color:rgba(255,255,255,.12)}
.site-header.is-scrolled .mainnav-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;color:var(--dark-text);font-weight:700;font-size:19px}
.brand-mark{
  width:32px;height:32px;border-radius:10px;flex:0 0 32px;
  background:linear-gradient(140deg,var(--brand) 0%,#5FBE22 55%,var(--ink-2) 100%);
  position:relative;overflow:hidden;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px 6px;border:1.5px solid rgba(18,33,28,.72);
  border-radius:50% 50% 40% 40%;border-bottom-color:transparent;border-left-color:transparent;
  transform:rotate(-18deg);
}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-link-item{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:var(--r-btn);
  color:var(--dark-text-2);font-size:15px;font-weight:500;position:relative;transition:all .2s ease;
}
.nav-link-item:hover{color:var(--dark-text);background:rgba(183,240,58,.14)}
.nav-link-item.is-active{color:var(--dark-text);background:rgba(255,255,255,.08)}
.nav-link-item.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--accent);border-radius:2px;
}
.nav-cta{display:flex;align-items:center;gap:10px}
.btn-main,.btn-line,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:500;
  letter-spacing:1px;cursor:pointer;border:0;transition:all .22s ease;line-height:1;
}
.btn-main{background:var(--accent);color:#fff}
.btn-main:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,107,53,.32)}
.btn-main:active{transform:translateY(0);box-shadow:none}
.btn-line{background:transparent;border:1.5px solid var(--line);color:var(--text)}
.btn-line:hover{border-color:var(--accent);color:var(--accent)}
.section-dark .btn-line,.hero .btn-line,.cta-band .btn-line{border-color:rgba(255,255,255,.35);color:var(--dark-text)}
.section-dark .btn-line:hover,.hero .btn-line:hover,.cta-band .btn-line:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{height:40px;padding:0 18px;font-size:15px}
.btn-block{width:100%}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:44px;height:40px;
  border-radius:var(--r-btn);border:1.5px solid rgba(255,255,255,.28);background:transparent;
  color:var(--dark-text);cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:1.6px;background:currentColor;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:1.6px;background:currentColor}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ============ 移动抽屉 ============ */
.nav-drawer{width:320px;background:var(--ink);color:var(--dark-text);border:0}
.nav-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);padding:18px 22px}
.nav-drawer .offcanvas-body{padding:14px 14px 0}
.drawer-close{background:transparent;border:0;color:var(--dark-text-2);font-size:26px;line-height:1;cursor:pointer}
.drawer-link{
  display:flex;align-items:center;height:52px;padding:0 16px;border-radius:var(--r-btn);
  color:var(--dark-text-2);font-size:16px;margin-bottom:6px;transition:all .2s ease;
}
.drawer-link:hover,.drawer-link.is-active{background:rgba(183,240,58,.14);color:var(--dark-text)}
.drawer-foot{padding:16px 22px 26px;border-top:1px solid rgba(255,255,255,.1)}

/* ============ Hero ============ */
.hero{
  position:relative;color:#fff;overflow:hidden;
  min-height:520px;height:min(78vh,640px);display:flex;align-items:center;
  background:#0C1713;
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 35%}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(18,33,28,.94) 0%,rgba(18,33,28,.82) 38%,rgba(18,33,28,.28) 72%,rgba(18,33,28,.15) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;padding:64px 0 96px}
.hero-copy{max-width:620px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(183,240,58,.14);color:var(--brand);font-size:12.5px;font-weight:500;letter-spacing:1px;
  border:1px solid rgba(183,240,58,.32);
}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.18;margin:20px 0 16px;
  text-shadow:0 2px 24px rgba(0,0,0,.35);
}
.hero h1 .hl{
  background:linear-gradient(transparent 62%,rgba(183,240,58,.55) 62%);
  padding:0 2px;
}
.hero-sub{font-size:18px;line-height:1.7;color:#DCE3DE;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-facts{display:flex;flex-wrap:wrap;gap:26px;margin-top:36px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16)}
.hero-fact b{display:block;font-size:26px;color:var(--brand);line-height:1.2}
.hero-fact span{font-size:13px;color:var(--dark-text-2)}
.hero-live{
  position:absolute;right:24px;bottom:132px;z-index:3;
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 16px;
  border-radius:var(--r-pill);background:var(--brand);color:var(--ink);font-size:13px;font-weight:700;
}
.hero-live i{width:7px;height:7px;border-radius:50%;background:var(--ink);animation:pulse 1.6s infinite}
@keyframes pulse{0%{opacity:1}50%{opacity:.25}100%{opacity:1}}
.hero-strip{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  background:linear-gradient(to top,rgba(12,23,19,.92),rgba(12,23,19,0));
  padding:18px 0 16px;
}
.hero-strip-inner{display:flex;gap:14px;overflow-x:auto;scrollbar-width:none;padding:0 24px;max-width:1200px;margin:0 auto}
.hero-strip-inner::-webkit-scrollbar{display:none}
.strip-item{
  flex:0 0 168px;opacity:.55;transition:opacity .25s ease;text-align:left;
  background:transparent;border:0;padding:0;cursor:pointer;color:var(--dark-text);
}
.strip-item.is-active{opacity:1}
.strip-item figure{position:relative;border-radius:10px;overflow:hidden;aspect-ratio:16/9;margin:0;border-bottom:3px solid transparent}
.strip-item.is-active figure{border-bottom-color:var(--brand)}
.strip-item img{width:100%;height:100%;object-fit:cover}
.strip-item figcaption{font-size:13px;margin-top:8px;line-height:1.5;color:var(--dark-text-2)}
.strip-item.is-active figcaption{color:var(--dark-text)}

/* ============ 通用标题行 ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.sec-head h2{font-size:28px;line-height:1.3;display:flex;align-items:center;gap:12px}
.sec-head h2::before{content:"";width:4px;height:22px;border-radius:2px;background:var(--accent);flex:0 0 4px}
.sec-sub{font-size:15px;color:var(--text-2);margin-top:10px;max-width:640px}
.section-dark .sec-head h2::before{background:var(--brand)}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--accent);
  border-bottom:1px solid transparent;transition:all .2s ease;white-space:nowrap;padding-bottom:2px;
}
.link-more:hover{border-bottom-color:var(--accent)}
.link-more i{transition:transform .2s ease;font-style:normal}
.link-more:hover i{transform:translateX(3px)}

/* ============ 横滑片库 ============ */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 18px;scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  flex:0 0 300px;scroll-snap-align:start;background:transparent;
  border:0;padding:0;text-align:left;cursor:pointer;color:var(--dark-text);
}
.rail-card figure{position:relative;border-radius:var(--r-card);overflow:hidden;aspect-ratio:16/9;margin:0;background:var(--ink-2);border:1px solid rgba(255,255,255,.08)}
.rail-card img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rail-card:hover img{transform:scale(1.04)}
.rail-card figure::after{content:"";position:absolute;inset:70% 0 0;background:linear-gradient(to top,rgba(0,0,0,.6),transparent)}
.rail-dur{
  position:absolute;right:10px;bottom:10px;z-index:2;background:rgba(12,23,19,.82);color:#fff;
  font-size:12px;padding:3px 9px;border-radius:var(--r-pill);
}
.rail-title{font-size:16px;font-weight:500;line-height:1.55;margin-top:12px;color:var(--dark-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.rail-card:hover .rail-title{color:var(--brand)}
.rail-meta{font-size:13px;color:var(--dark-text-2);margin-top:6px}
.rail-nav{
  position:absolute;top:38%;width:44px;height:44px;border-radius:50%;z-index:5;
  background:rgba(12,23,19,.72);border:1px solid rgba(255,255,255,.35);color:#fff;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  opacity:0;transition:opacity .25s ease,background .2s ease;font-size:17px;
}
.rail-wrap:hover .rail-nav{opacity:1}
.rail-nav:hover{background:var(--accent);border-color:var(--accent)}
.rail-nav.prev{left:-10px}
.rail-nav.next{right:-10px}

/* ============ 最新信息 / CMS ============ */
.cms-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 32px}
.cms-item{
  display:flex;gap:18px;padding:20px 12px;border-bottom:1px solid var(--line);
  border-radius:10px;transition:background .2s ease;
}
.cms-item:hover{background:rgba(183,240,58,.08)}
.cms-thumb{flex:0 0 120px;width:120px;height:80px;border-radius:10px;overflow:hidden;background:#E7E4DC}
.cms-thumb img{width:100%;height:100%;object-fit:cover}
.cms-body{min-width:0;flex:1}
.badge-soft{
  display:inline-block;font-size:12.5px;padding:3px 10px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-deep);font-weight:500;margin-bottom:8px;
}
.badge-outline{
  display:inline-block;font-size:12.5px;padding:3px 10px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--text-2);
}
.cms-body h3{font-size:17px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-item:hover .cms-body h3{color:var(--accent)}
.cms-body p{font-size:15px;line-height:1.75;color:var(--text-2);margin-top:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-meta{font-size:13px;color:var(--text-3);margin-top:10px}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:220px;text-align:center;gap:14px;border:1px dashed var(--line);border-radius:var(--r-card);
  background:rgba(255,255,255,.6);
}
.empty-icon{width:48px;height:48px;border-radius:12px;border:1.5px solid var(--line);position:relative}
.empty-icon::after{content:"";position:absolute;inset:16px 12px;border-left:2px solid var(--brand);border-bottom:2px solid var(--brand)}
.empty-state p{font-size:15px;color:var(--text-2)}

/* ============ 热播推荐 非对称网格 ============ */
.hot-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.hot-main{grid-column:span 6;grid-row:span 2}
.hot-small{grid-column:span 3}
.hot-card{
  position:relative;display:block;border-radius:var(--r-card);overflow:hidden;
  background:var(--ink-2);border:1px solid rgba(255,255,255,.08);
  aspect-ratio:16/9;transition:transform .3s ease,box-shadow .3s ease;
}
.hot-main .hot-card{height:100%;aspect-ratio:auto;min-height:320px}
.hot-small .hot-card{aspect-ratio:16/9}
.hot-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.hot-card:hover img{transform:scale(1.04)}
.hot-card::after{content:"";position:absolute;inset:38% 0 0;background:linear-gradient(to top,rgba(6,14,10,.88),transparent)}
.hot-info{position:absolute;left:0;right:0;bottom:0;padding:20px;z-index:2;color:#fff}
.hot-info h3{font-size:24px;line-height:1.34}
.hot-small .hot-info h3{font-size:16px;line-height:1.5}
.hot-data{font-size:13px;color:var(--dark-text-2);margin-top:8px;display:flex;gap:10px;align-items:center}
.hot-card:hover .hot-info h3{color:var(--brand)}
.hot-tag{
  position:absolute;left:16px;top:16px;z-index:2;background:rgba(12,23,19,.78);color:var(--brand);
  font-size:12.5px;padding:4px 10px;border-radius:var(--r-pill);border:1px solid rgba(183,240,58,.32);
}

/* ============ 片单：4 列图卡 ============ */
.poster-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.poster-card{border-radius:var(--r-card);overflow:hidden;background:var(--card);box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;display:block;height:100%}
.poster-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.poster-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E7E4DC}
.poster-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.poster-card:hover .poster-cover img{transform:scale(1.04)}
.poster-cover::after{content:"";position:absolute;inset:60% 0 0;background:linear-gradient(to top,rgba(0,0,0,.45),transparent)}
.poster-body{padding:16px 18px 20px}
.poster-body h3{font-size:17px;line-height:1.5}
.poster-card:hover h3{color:var(--accent)}
.poster-body p{font-size:15px;color:var(--text-2);line-height:1.75;margin-top:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.poster-meta{font-size:13px;color:var(--text-3);margin-top:12px;display:flex;gap:10px}

/* ============ 片单：2 列宽版图文 ============ */
.wide-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.wide-card{display:grid;grid-template-columns:40% 60%;background:var(--card);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease}
.wide-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.wide-cover{position:relative;overflow:hidden;min-height:200px;background:#E7E4DC}
.wide-cover img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .35s ease}
.wide-card:hover .wide-cover img{transform:scale(1.04)}
.wide-body{padding:22px 24px}
.wide-body h3{font-size:18px;line-height:1.45;margin-top:10px}
.wide-card:hover h3{color:var(--accent)}
.wide-body p{font-size:15px;color:var(--text-2);line-height:1.75;margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.wide-foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;font-size:13px;color:var(--text-3)}

/* ============ 排行列表 ============ */
.rank-list{border-top:1px solid var(--line)}
.rank-item{display:flex;align-items:center;gap:22px;padding:22px 8px;border-bottom:1px solid var(--line);
  transition:background .2s ease;border-radius:8px}
.rank-item:hover{background:rgba(183,240,58,.08)}
.rank-no{font-size:28px;font-weight:700;color:var(--accent);flex:0 0 52px;line-height:1}
.rank-main{flex:1;min-width:0}
.rank-main h3{font-size:17px;line-height:1.5}
.rank-main p{font-size:15px;color:var(--text-2);line-height:1.7;margin-top:6px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.rank-arrow{color:var(--text-3);font-size:18px;transition:transform .2s ease,color .2s ease}
.rank-item:hover .rank-arrow{transform:translateX(4px);color:var(--accent)}

/* ============ 数据指标带 ============ */
.metrics{background:var(--ink-2);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-lg);
  padding:36px 40px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;color:var(--dark-text)}
.metric b{display:block;font-size:32px;color:var(--brand);line-height:1.15}
.metric span{font-size:13px;color:var(--dark-text-2)}
.metric i{display:block;font-size:15px;font-style:normal;color:var(--dark-text);margin-top:8px}

/* ============ CTA 订阅区 ============ */
.cta-band{background:var(--ink);color:var(--dark-text);padding:96px 0}
.cta-inner{max-width:760px;margin:0 auto;text-align:center}
.cta-inner h2{font-size:28px;line-height:1.4}
.cta-inner p{color:var(--dark-text-2);font-size:16px;margin-top:14px}
.cta-form{display:flex;gap:12px;justify-content:center;margin-top:30px;flex-wrap:wrap}
.cta-form input{
  height:48px;width:320px;max-width:100%;padding:0 18px;border-radius:var(--r-btn);
  border:1.5px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);color:var(--dark-text);font-size:15px;
}
.cta-form input::placeholder{color:var(--dark-text-2)}
.cta-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(255,107,53,.28)}
.cta-note{font-size:12.5px;color:var(--text-3);margin-top:16px}
.cta-band .cta-note{color:var(--dark-text-2);opacity:.75}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:box-shadow .2s ease}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 20px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:500;color:var(--text);position:relative;
}
.faq-q::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;background:transparent;border-radius:2px;transition:background .2s ease}
.faq-item.is-open .faq-q::before{background:var(--accent)}
.faq-arrow{flex:0 0 auto;font-size:16px;color:var(--text-3);transition:transform .22s ease-out}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease-out}
.faq-a-inner{padding:0 20px 20px;font-size:16px;line-height:1.85;color:var(--text-2)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-3);color:var(--dark-text-2);padding:72px 0 0;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;max-width:280px;color:var(--dark-text-2)}
.footer-col h4{color:var(--dark-text);font-size:15px;margin-bottom:16px;font-weight:700}
.footer-col li{line-height:2.1}
.footer-col a{position:relative;color:var(--dark-text-2);transition:color .2s ease}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:2px}
.footer-sub p{font-size:14px;line-height:1.8;margin-bottom:14px}
.footer-sub form{display:flex;gap:8px}
.footer-sub input{
  flex:1;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-btn);
  border:1.5px solid rgba(255,255,255,.16);background:rgba(255,255,255,.05);color:var(--dark-text);font-size:14px;
}
.footer-sub input::placeholder{color:var(--text-3)}
.footer-sub input:focus{outline:none;border-color:var(--accent)}
.footer-sub button{height:44px;padding:0 16px;border-radius:var(--r-btn);border:0;background:var(--accent);color:#fff;font-size:14px;cursor:pointer;transition:background .2s ease}
.footer-sub button:hover{background:var(--accent-dark)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:14px;font-size:13px;
}
.footer-bottom .legal{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom a:hover{color:var(--brand)}

/* ============ 响应式 ============ */
@media (max-width:1400px){
  .rail-card{flex-basis:300px}
}
@media (max-width:1200px){
  :root{--sect:72px}
  .poster-grid{grid-template-columns:repeat(3,1fr)}
  .hot-main{grid-column:span 12}
  .hot-main .hot-card{min-height:300px}
  .hot-small{grid-column:span 3}
}
@media (max-width:991.98px){
  :root{--sect:64px}
  .nav-links,.nav-cta .btn-line{display:none}
  .nav-toggle{display:inline-flex}
  .topbar-links{display:none}
  .hero{height:auto;min-height:480px;padding-bottom:0}
  .hero-inner{padding:48px 0 150px}
  .hero-live{bottom:auto;top:24px;right:24px}
  .wide-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:repeat(2,1fr);padding:28px 24px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767.98px){
  :root{--sect:52px}
  .container{padding:0 18px}
  .hero-strip-inner{padding:0 18px}
  .strip-item{flex-basis:140px}
  .hot-small{grid-column:span 6}
  .hot-main{grid-column:span 12}
  .poster-grid{grid-template-columns:repeat(2,1fr)}
  .cms-grid{grid-template-columns:1fr}
  .cms-item{padding:16px 8px}
  .cms-thumb{flex-basis:104px;width:104px;height:70px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .sec-head h2{font-size:24px}
  .cta-band{padding:64px 0}
  .cta-form input{width:100%}
  .cta-form .btn-main{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575.98px){
  :root{--sect:44px}
  .poster-grid{grid-template-columns:1fr}
  .hot-small{grid-column:span 12}
  .hot-main .hot-card{min-height:260px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-facts{gap:18px}
  .hero-fact b{font-size:22px}
  .metrics{grid-template-columns:1fr;gap:18px}
  .rail-card{flex:0 0 74vw}
  .wide-card{grid-template-columns:1fr}
  .wide-cover{min-height:190px;position:relative}
  .rail-nav{display:none}
  .rank-item{gap:14px}
  .rank-no{font-size:22px;flex-basis:38px}
}

/* roulang page: article */
:root{
  --brand:#B7F03A;
  --brand-soft:rgba(183,240,58,.12);
  --brand-ink:#2C4A21;
  --accent:#FF6B35;
  --accent-dark:#E4551F;
  --ink:#12211C;
  --ink-2:#1B2F28;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --line:#E3E0D8;
  --text:#23292A;
  --text-2:#5C6664;
  --text-3:#8A918E;
  --d-text:#F2F4F0;
  --d-text-2:#A9B6B0;
  --ok:#2E9E6B;
  --warn:#E0A32E;
  --err:#D2453A;
  --r-card:14px;
  --r-ctrl:10px;
  --r-lg:16px;
  --sh-1:0 1px 2px rgba(18,33,28,.06);
  --sh-2:0 12px 28px rgba(18,33,28,.14);
  --sp:8px;
  --pad-y:88px;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--accent);}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.container-narrow{width:100%;max-width:860px;margin:0 auto;padding:0 20px;}
.container-read{width:100%;max-width:780px;margin:0 auto;padding:0 20px;}
.section{padding:var(--pad-y) 0;}
.section-paper{background:var(--paper);}
.section-white{background:#fff;}
.section-dark{background:var(--ink);color:var(--d-text);}

/* ---------- 顶部信息条 ---------- */
.topbar{background:#0C1815;color:var(--d-text-2);font-size:13px;height:36px;display:flex;align-items:center;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-name{color:var(--d-text);font-weight:600;letter-spacing:.3px;}
.topbar-name em{font-style:normal;color:var(--brand);}
.topbar-links{display:flex;gap:18px;flex-wrap:nowrap;overflow:hidden;}
.topbar-links a{color:var(--d-text-2);white-space:nowrap;}
.topbar-links a:hover{color:var(--brand);}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(18,33,28,.94);backdrop-filter:blur(10px);transition:background-color .25s ease,border-color .25s ease;}
.site-header.scrolled{background:rgba(12,24,21,.98);border-bottom:1px solid rgba(255,255,255,.10);}
.nav-inner{height:72px;display:flex;align-items:center;gap:20px;transition:height .25s ease;}
.site-header.scrolled .nav-inner{height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--d-text);font-weight:700;font-size:20px;letter-spacing:0;}
.brand:hover{color:var(--d-text);}
.brand-mark{width:32px;height:32px;border-radius:12px;background:linear-gradient(135deg,var(--brand) 0%,#7FCB1E 100%);position:relative;flex:0 0 auto;overflow:hidden;}
.brand-mark::before{content:"";position:absolute;left:6px;right:6px;top:9px;height:2px;background:var(--ink);border-radius:2px;}
.brand-mark::after{content:"";position:absolute;left:6px;width:12px;bottom:9px;height:6px;border:2px solid var(--ink);border-top:0;border-radius:0 0 8px 8px;}
.brand-text{line-height:1;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:12px;}
.nav-links a{height:38px;display:inline-flex;align-items:center;padding:0 14px;border-radius:var(--r-ctrl);color:var(--d-text-2);font-size:15px;font-weight:500;position:relative;}
.nav-links a:hover{color:var(--d-text);background:rgba(183,240,58,.14);}
.nav-links a.active{color:var(--d-text);background:rgba(255,255,255,.10);}
.nav-links a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--accent);border-radius:2px;}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:10px;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-ctrl);font-size:15px;font-weight:500;letter-spacing:1px;border:1.5px solid transparent;cursor:pointer;transition:all .22s ease;white-space:nowrap;}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);}
.btn-ghost-dark{background:transparent;border-color:rgba(255,255,255,.35);color:#fff;}
.btn-ghost-dark:hover{border-color:var(--brand);color:var(--brand);}
.btn-sm{height:40px;padding:0 18px;font-size:15px;}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--text-2);font-size:14px;position:relative;}
.btn-link::after{content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--accent);transition:width .25s ease;}
.btn-link:hover{color:var(--accent);}
.btn-link:hover::after{width:100%;}
.btn-link .arrow{transition:transform .25s ease;}
.btn-link:hover .arrow{transform:translateX(3px);}
.nav-toggle{display:none;width:40px;height:40px;border-radius:var(--r-ctrl);border:1.5px solid rgba(255,255,255,.35);background:transparent;align-items:center;justify-content:center;}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- Offcanvas ---------- */
.offcanvas{background:var(--ink);color:var(--d-text);width:320px!important;}
.offcanvas-header{padding:20px;border-bottom:1px solid rgba(255,255,255,.10);}
.offcanvas-title{font-size:18px;font-weight:700;margin:0;}
.offcanvas-body{padding:12px 0;}
.mobile-nav a{display:flex;align-items:center;height:52px;padding:0 24px;color:var(--d-text-2);font-size:16px;border-bottom:1px solid rgba(255,255,255,.06);}
.mobile-nav a.active{color:var(--brand);background:rgba(183,240,58,.10);}
.mobile-nav a:hover{color:var(--brand);}
.offcanvas-foot{padding:20px;border-top:1px solid rgba(255,255,255,.10);}
.offcanvas-foot .btn{width:100%;}
.btn-close{filter:invert(1) grayscale(1);opacity:.7;}

/* ---------- 面包屑 ---------- */
.crumbs{font-size:13px;color:var(--text-3);padding:28px 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--accent);}
.crumbs .sep{color:#C6C2B7;}
.crumbs .current{color:var(--text-2);}

/* ---------- 文章头部 ---------- */
.article-head{padding:22px 0 40px;border-bottom:1px solid var(--line);}
.badge-pill{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;font-size:12.5px;line-height:1;background:var(--brand-soft);color:var(--brand-ink);font-weight:600;}
.badge-outline{border:1px solid var(--line);color:var(--text-2);background:transparent;font-weight:500;}
.article-title{font-size:clamp(26px,3.2vw,38px);line-height:1.32;font-weight:700;letter-spacing:0;max-width:860px;margin:16px 0 0;color:var(--text);}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13.5px;color:var(--text-3);}
.meta-row .dot{color:#C6C2B7;}

/* ---------- 正文 ---------- */
.article-body{padding:48px 0 8px;font-size:17px;line-height:1.85;color:var(--text);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.15em;}
.article-body h2{font-size:24px;font-weight:700;line-height:1.45;margin:2.2em 0 .7em;padding-left:14px;position:relative;}
.article-body h2::before{content:"";position:absolute;left:0;top:.32em;bottom:.32em;width:4px;border-radius:2px;background:var(--accent);}
.article-body h3{font-size:20px;font-weight:700;line-height:1.5;margin:1.9em 0 .6em;}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:22px;}
.article-body ul li{list-style:none;position:relative;line-height:1.8;margin-bottom:.4em;padding-left:16px;}
.article-body ul li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;background:var(--accent);border-radius:1px;}
.article-body ol{list-style:decimal;}
.article-body ol li{line-height:1.8;margin-bottom:.4em;}
.article-body img{border-radius:12px;margin:1.5em 0 .6em;}
.article-body figure{margin:1.5em 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px;}
.article-body blockquote{margin:1.6em 0;background:#EFEDE5;border-left:4px solid var(--accent);padding:20px;border-radius:0 var(--r-card) var(--r-card) 0;color:var(--text);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;line-height:1.6;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:#EFEDE5;font-weight:600;}
.article-body a{color:var(--accent);border-bottom:1px solid rgba(255,107,53,.35);}
.article-body a:hover{color:var(--accent-dark);border-bottom-color:var(--accent-dark);}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}

/* ---------- 空态 ---------- */
.empty-state{min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;padding:36px 24px;margin:48px 0 8px;}
.empty-icon{width:48px;height:48px;border:1.5px solid var(--line);border-radius:12px;display:flex;align-items:center;justify-content:center;}
.empty-icon i{display:block;width:20px;height:20px;border:2px solid var(--brand);border-radius:50%;border-top-color:transparent;}
.empty-state p{font-size:15px;color:var(--text-2);}

/* ---------- 文末区 ---------- */
.article-foot{padding:36px 0 0;margin-top:44px;border-top:1px solid var(--line);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag{padding:4px 12px;border-radius:999px;border:1px solid var(--line);font-size:12.5px;color:var(--text-2);background:#fff;}
.tag:hover{border-color:var(--accent);color:var(--accent);}
.act-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:32px;}
.pager-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;}
.pager-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:#D6D2C7;}
.pager-card .k{font-size:12.5px;color:var(--text-3);display:block;margin-bottom:8px;}
.pager-card .t{font-size:16px;font-weight:600;line-height:1.6;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pager-card:hover .t{color:var(--accent);}
.pager-card.right{text-align:right;}

/* ---------- 相关推荐 ---------- */
.rail-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.rail-head h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.35;}
.rail-head p{font-size:14px;color:var(--text-2);margin-top:6px;}
.rail-wrap{position:relative;}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;scrollbar-width:none;-ms-overflow-style:none;}
.rail::-webkit-scrollbar{display:none;}
.rail-card{flex:0 0 280px;scroll-snap-align:start;}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .28s ease,transform .28s ease;display:block;height:100%;}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E7E4DC;}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .thumb img{transform:scale(1.04);}
.thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 45%,rgba(0,0,0,.6) 100%);}
.thumb .dur{position:absolute;right:10px;bottom:10px;z-index:2;background:rgba(18,33,28,.85);color:#fff;font-size:12px;padding:2px 8px;border-radius:6px;}
.card-body{padding:16px 18px 18px;}
.card-title{font-size:16px;font-weight:600;line-height:1.6;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card:hover .card-title{color:var(--accent);}
.card-sub{font-size:13px;color:var(--text-3);margin-top:8px;}
.rail-card.return-card{display:flex;align-items:center;justify-content:center;min-height:100%;}
.return-inner{width:100%;height:100%;min-height:220px;border:1.5px dashed var(--line);border-radius:var(--r-card);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--text-2);font-size:14px;background:#fff;}
.return-inner .arrow{transition:transform .25s ease;}
.rail-card.return-card:hover .return-inner{border-color:var(--accent);color:var(--accent);}
.rail-card.return-card:hover .arrow{transform:translateX(3px);}
.rail-nav{position:absolute;top:34%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;background:rgba(18,33,28,.72);border:1px solid rgba(255,255,255,.5);color:#fff;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .25s ease,background-color .25s ease;cursor:pointer;z-index:3;}
.rail-nav.prev{left:-8px;}
.rail-nav.next{right:-8px;}
.rail-wrap:hover .rail-nav{opacity:1;}
.rail-nav:hover{background:var(--accent);border-color:var(--accent);}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:var(--d-text);padding:96px 0;}
.cta-inner{max-width:760px;margin:0 auto;text-align:center;}
.cta-inner h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.35;}
.cta-inner p{color:var(--d-text-2);margin-top:14px;font-size:16px;}
.cta-form{display:flex;gap:12px;justify-content:center;margin-top:28px;flex-wrap:wrap;}
.cta-form input{height:48px;width:300px;max-width:100%;border-radius:var(--r-ctrl);border:1.5px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);color:#fff;padding:0 16px;transition:border-color .2s ease,box-shadow .2s ease;}
.cta-form input::placeholder{color:var(--d-text-2);}
.cta-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(255,107,53,.35);}
.cta-note{font-size:12px;color:var(--d-text-2);margin-top:14px;opacity:.85;}

/* ---------- FAQ ---------- */
.faq-wrap{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;position:relative;transition:border-color .2s ease;}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:background-color .2s ease;}
.faq-item.open::before,.faq-item:has(.accordion-button:not(.collapsed))::before{background:var(--accent);}
.faq-item .accordion-button{width:100%;min-height:56px;padding:16px 20px;font-size:16px;font-weight:600;color:var(--text);background:transparent;box-shadow:none!important;display:flex;align-items:center;justify-content:space-between;gap:16px;border:0;text-align:left;}
.faq-item .accordion-button::after{content:"";width:9px;height:9px;border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);transform:rotate(45deg);transition:transform .22s ease-out;flex:0 0 auto;margin:0;}
.faq-item .accordion-button:not(.collapsed){color:var(--accent);}
.faq-item .accordion-button:not(.collapsed)::after{border-color:var(--accent);transform:rotate(-135deg);}
.faq-item .accordion-body{padding:0 20px 20px;font-size:15.5px;line-height:1.85;color:var(--text-2);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--d-text-2);padding:72px 0 0;font-size:15px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:32px;padding-bottom:48px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{line-height:1.85;color:var(--d-text-2);max-width:340px;}
.footer-col h4{color:var(--d-text);font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col ul li{line-height:2.1;}
.footer-col ul a{color:var(--d-text-2);}
.footer-col ul a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:2px;}
.footer-sub p{line-height:1.85;margin-bottom:16px;}
.footer-sub form{display:flex;gap:10px;flex-wrap:wrap;}
.footer-sub input{flex:1 1 150px;height:44px;border-radius:var(--r-ctrl);border:1.5px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;}
.footer-sub input::placeholder{color:var(--d-text-2);}
.footer-sub input:focus{outline:none;border-color:var(--accent);}
.footer-sub button{height:44px;padding:0 20px;border-radius:var(--r-ctrl);border:0;background:var(--accent);color:#fff;font-weight:500;cursor:pointer;transition:background-color .2s ease;}
.footer-sub button:hover{background:var(--accent-dark);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:22px 0;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;font-size:13.5px;}
.footer-bottom .legal{display:flex;gap:20px;}
.footer-bottom .legal a{color:var(--d-text-2);}
.footer-bottom .legal a:hover{color:var(--brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .rail-card{flex-basis:280px;}
}
@media (max-width:992px){
  :root{--pad-y:64px;}
  .nav-links{display:none;}
  .nav-cta .btn-ghost-dark{display:none;}
  .nav-toggle{display:inline-flex;}
  .cta-band{padding:72px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .topbar-links{display:none;}
  .article-body{font-size:16.5px;}
  .pager{grid-template-columns:1fr;}
  .pager-card.right{text-align:left;}
  .rail-card{flex-basis:74vw;}
  .cta-form input,.cta-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:520px){
  :root{--pad-y:44px;}
  .container,.container-narrow,.container-read{padding:0 16px;}
  .nav-inner{height:64px;gap:12px;}
  .brand{font-size:18px;}
  .nav-cta .btn-sm{padding:0 14px;letter-spacing:0;}
  .article-body{padding-top:36px;}
  .cta-band{padding:56px 0;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --brand:#B7F03A;
  --brand-soft:rgba(183,240,58,.12);
  --brand-ink:#2C4A21;
  --action:#FF6B35;
  --action-dark:#E4551F;
  --ink:#12211C;
  --ink-2:#1B2F28;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --line:#E3E0D8;
  --text:#23292A;
  --text-2:#5C6664;
  --text-3:#8A918E;
  --dark-text:#F2F4F0;
  --dark-text-2:#A9B6B0;
  --ok:#2E9E6B;
  --warn:#E0A32E;
  --err:#D2453A;
  --r-card:14px;
  --r-lg:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,33,28,.06);
  --sh-2:0 12px 28px rgba(18,33,28,.14);
  --sec-y:88px;
  --cw:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:var(--cw);margin:0 auto;padding:0 24px;}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:#0D1915;color:var(--dark-text-2);font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:36px;padding-top:4px;padding-bottom:4px;}
.topbar-brand{color:var(--dark-text);font-weight:500;letter-spacing:.4px;white-space:nowrap;}
.topbar-links{display:flex;flex-wrap:wrap;gap:18px;}
.topbar-links a{color:var(--dark-text-2);transition:color .2s ease;}
.topbar-links a:hover{color:var(--brand);}

/* ---------- 主导航 ---------- */
.mainnav{
  position:sticky;top:0;z-index:1030;
  height:72px;display:flex;align-items:center;
  background:rgba(18,33,28,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:height .25s ease,background .25s ease,border-color .25s ease;
}
.mainnav.is-scrolled{height:60px;background:rgba(18,33,28,.97);border-bottom-color:rgba(255,255,255,.1);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:12px;flex:0 0 32px;position:relative;
  background:linear-gradient(135deg,#B7F03A 0%,#7ED957 48%,#FF6B35 100%);
}
.brand-mark::after{
  content:"";position:absolute;left:7px;right:7px;top:9px;bottom:7px;
  border:2px solid rgba(18,33,28,.7);border-bottom:none;
  border-radius:50% 50% 0 0 / 100% 100% 0 0;
}
.brand-text{font-size:19px;font-weight:700;letter-spacing:0;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;
  padding:0 14px;border-radius:var(--r-btn);
  color:var(--dark-text-2);font-size:15px;font-weight:500;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(183,240,58,.14);}
.nav-link.is-active{color:#fff;background:rgba(183,240,58,.14);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  border-radius:2px;background:var(--action);
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;letter-spacing:1px;
  border:1.5px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn-primary{background:var(--action);color:#fff;}
.btn-primary:hover{background:var(--action-dark);transform:translateY(-2px);box-shadow:0 10px 22px rgba(228,85,31,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline-dark{background:transparent;border-color:rgba(255,255,255,.35);color:#fff;}
.btn-outline-dark:hover{border-color:var(--brand);color:var(--brand);}
.btn-outline{background:transparent;border-color:var(--line);color:var(--text);}
.btn-outline:hover{border-color:var(--action);color:var(--action);}
.btn-sm{height:40px;padding:0 18px;font-size:15px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:40px;border-radius:var(--r-btn);
  background:transparent;border:1.5px solid rgba(255,255,255,.3);color:#fff;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
.nav-toggle span{display:block;width:16px;height:2px;background:currentColor;position:relative;border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;border-radius:2px;}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}

/* ---------- 移动端抽屉 ---------- */
.drawer{width:320px;background:var(--ink);color:var(--dark-text);border-left:1px solid rgba(255,255,255,.08)!important;}
.drawer .offcanvas-header{padding:18px 20px;border-bottom:1px solid rgba(255,255,255,.08);}
.drawer .offcanvas-title{font-size:17px;font-weight:700;color:#fff;}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.7;}
.drawer .offcanvas-body{padding:8px 20px 20px;}
.drawer-link{
  display:flex;align-items:center;height:52px;padding:0 4px;
  border-bottom:1px solid rgba(255,255,255,.07);
  color:var(--dark-text);font-size:16px;font-weight:500;
  transition:color .2s ease,padding-left .2s ease;
}
.drawer-link:hover{color:var(--brand);padding-left:8px;}
.drawer-link.is-active{color:var(--brand);}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid rgba(255,255,255,.08);background:var(--ink-2);}
.drawer-foot .btn{width:100%;}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--text-3);display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.crumb a{color:var(--dark-text-2);transition:color .2s ease;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{opacity:.5;}
.crumb .now{color:var(--dark-text);}

/* ---------- 分类 Hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:var(--ink);min-height:340px;display:flex;align-items:center;}
.cat-hero__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;}
.cat-hero__mask{position:absolute;inset:0;background:linear-gradient(96deg,rgba(18,33,28,.92) 0%,rgba(18,33,28,.72) 46%,rgba(18,33,28,.18) 100%);}
.cat-hero__glow{position:absolute;right:-90px;bottom:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(183,240,58,.22),transparent 66%);}
.cat-hero__inner{position:relative;z-index:2;padding:56px 0 60px;max-width:860px;}
.cat-hero .crumb{margin-bottom:18px;}
.cat-hero h1{
  color:#fff;font-size:clamp(28px,3.6vw,42px);line-height:1.24;font-weight:700;letter-spacing:0;
}
.cat-hero h1 em{font-style:normal;box-shadow:inset 0 -10px 0 rgba(183,240,58,.28);}
.cat-hero__sub{margin-top:14px;color:var(--dark-text-2);font-size:17px;line-height:1.7;max-width:620px;}
.cat-hero__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.chip{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;line-height:1;background:rgba(183,240,58,.16);color:#E9F5D2;border:1px solid rgba(183,240,58,.28);
}
.chip--dot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);margin-right:7px;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-y) 0;}
.section--tight{padding:64px 0;}
.section--paper{background:var(--paper);}
.section--white{background:#fff;}
.section--dark{background:var(--ink);color:var(--dark-text);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:700;position:relative;padding-left:16px;}
.sec-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--action);}
.sec-head p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:640px;line-height:1.75;}
.section--dark .sec-head h2{color:#fff;}
.section--dark .sec-head p{color:var(--dark-text-2);}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;color:var(--action);
  padding-bottom:2px;border-bottom:1px solid transparent;transition:border-color .2s ease,gap .2s ease;
}
.link-more:hover{border-bottom-color:var(--action);gap:9px;}

/* ---------- 导语 ---------- */
.intro{max-width:860px;}
.intro p{font-size:17px;line-height:1.85;color:var(--text);}
.intro p + p{margin-top:1.15em;}
.intro .lead{font-size:18px;color:var(--text);font-weight:500;}

/* ---------- 数据条 ---------- */
.statbar{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px;}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);
}
.stat b{display:block;font-size:30px;line-height:1.2;font-weight:700;color:var(--action);font-variant-numeric:tabular-nums;}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--text-3);}

/* ---------- 录像卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.vcard{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.vcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6D2C6;}
.vcard-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0E1B17;}
.vcard-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.vcard:hover .vcard-thumb img{transform:scale(1.04);}
.vcard-thumb::after{
  content:"";position:absolute;inset:auto 0 0 0;height:58%;
  background:linear-gradient(to top,rgba(0,0,0,.62),rgba(0,0,0,0));
  pointer-events:none;
}
.vcard-time{
  position:absolute;right:10px;bottom:10px;z-index:2;
  display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:6px;
  background:rgba(18,33,28,.82);color:#fff;font-size:12px;font-variant-numeric:tabular-nums;
}
.vcard-play{
  position:absolute;left:10px;bottom:10px;z-index:2;
  display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:var(--r-pill);
  background:rgba(183,240,58,.92);color:#1C2E14;font-size:12px;font-weight:500;
}
.vcard-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1 1 auto;}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-ink);font-size:12.5px;line-height:1;align-self:flex-start;
}
.vcard-title{
  font-size:17px;line-height:1.5;font-weight:700;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .25s ease;
}
.vcard:hover .vcard-title{color:var(--action);}
.vcard-meta{font-size:13px;color:var(--text-3);line-height:1.6;margin-top:auto;font-variant-numeric:tabular-nums;}

/* ---------- 播放要点 ---------- */
.points{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px;}
.point{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;
  box-shadow:var(--sh-1);transition:transform .3s ease,box-shadow .3s ease;
}
.point:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.point i{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand-ink);font-style:normal;font-weight:700;font-size:15px;margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.point h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:8px;}
.point p{font-size:15px;line-height:1.75;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-acc .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  margin-bottom:12px;box-shadow:var(--sh-1);
}
.faq-acc .accordion-item:last-child{margin-bottom:0;}
.faq-acc .accordion-button{
  position:relative;width:100%;min-height:56px;padding:14px 52px 14px 20px;
  background:#fff;color:var(--text);font-size:17px;font-weight:700;line-height:1.5;
  border:0;border-radius:0;box-shadow:none;text-align:left;
}
.faq-acc .accordion-button::after{
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:14px;height:14px;background-size:14px;transition:transform .22s ease-out;
}
.faq-acc .accordion-button::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:background .2s ease;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--text);background:#fff;}
.faq-acc .accordion-button:not(.collapsed)::before{background:var(--action);}
.faq-acc .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(180deg);}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--action);outline-offset:-2px;}
.faq-acc .accordion-button:hover{color:var(--action);}
.faq-acc .accordion-body{
  padding:0 20px 20px 20px;font-size:16px;line-height:1.85;color:var(--text-2);
}
.faq-acc .accordion-collapse{transition:height .22s ease-out;}

/* ---------- CTA ---------- */
.cta{background:var(--ink);color:var(--dark-text);padding:96px 0;position:relative;overflow:hidden;}
.cta::before{
  content:"";position:absolute;right:-120px;top:-160px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(183,240,58,.18),transparent 68%);
}
.cta-inner{position:relative;z-index:2;max-width:760px;margin:0 auto;text-align:center;}
.cta h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;color:#fff;}
.cta p{margin-top:14px;color:var(--dark-text-2);font-size:16px;line-height:1.75;}
.cta form{display:flex;justify-content:center;gap:12px;margin-top:28px;flex-wrap:wrap;}
.cta input{
  width:300px;max-width:100%;height:48px;padding:0 16px;border-radius:var(--r-btn);
  border:1.5px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);color:#fff;font-size:15px;
  transition:border-color .2s ease,background .2s ease;
}
.cta input::placeholder{color:var(--dark-text-2);}
.cta input:focus{outline:none;border-color:var(--action);background:rgba(255,255,255,.1);}
.cta .btn{height:48px;}
.cta .note{margin-top:14px;font-size:12px;color:var(--dark-text-2);opacity:.85;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0D1915;color:var(--dark-text-2);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:32px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14.5px;line-height:1.8;max-width:340px;color:var(--dark-text-2);}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul li{line-height:2.1;}
.footer-col ul li a{font-size:14.5px;color:var(--dark-text-2);border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease;}
.footer-col ul li a:hover{color:var(--brand);border-bottom-color:var(--brand);}
.footer-sub p{font-size:14.5px;line-height:1.8;margin-bottom:14px;}
.footer-sub form{display:flex;gap:10px;flex-wrap:wrap;}
.footer-sub input{
  flex:1 1 150px;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-btn);
  border:1.5px solid rgba(255,255,255,.2);background:rgba(255,255,255,.05);color:#fff;font-size:14.5px;
}
.footer-sub input::placeholder{color:var(--dark-text-2);}
.footer-sub input:focus{outline:none;border-color:var(--action);}
.footer-sub .btn{height:44px;padding:0 18px;font-size:14.5px;letter-spacing:0;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:var(--text-3);
}
.footer-bottom .legal{display:flex;gap:22px;flex-wrap:wrap;}
.footer-bottom .legal a{color:var(--dark-text-2);transition:color .2s ease;}
.footer-bottom .legal a:hover{color:var(--brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1399.98px){
  .card-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
}
@media (max-width:1199.98px){
  .container{padding:0 20px;}
  .card-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .statbar{grid-template-columns:repeat(4,1fr);}
}
@media (max-width:991.98px){
  :root{--sec-y:64px;}
  .nav-links{display:none;}
  .nav-actions .btn-outline-dark{display:none;}
  .nav-toggle{display:inline-flex;}
  .topbar-links{display:none;}
  .cat-hero__inner{padding:44px 0 48px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .points{grid-template-columns:1fr;}
  .statbar{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta{padding:72px 0;}
}
@media (max-width:767.98px){
  .sec-head{margin-bottom:26px;}
  .cta form{flex-direction:column;align-items:stretch;}
  .cta input,.cta .btn{width:100%;}
  .intro p{font-size:16px;}
}
@media (max-width:575.98px){
  :root{--sec-y:44px;}
  .container{padding:0 16px;}
  .card-grid{grid-template-columns:1fr;gap:14px;}
  .statbar{grid-template-columns:1fr 1fr;gap:14px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .brand-text{font-size:18px;}
  .cat-hero{min-height:300px;}
}

/* roulang page: category2 */
:root{
  --brand:#B7F03A;
  --brand-ink:#4F7A16;
  --brand-soft:rgba(183,240,58,.12);
  --action:#FF6B35;
  --action-dark:#E4551F;
  --dark:#12211C;
  --dark-2:#1B2F28;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --line:#E3E0D8;
  --text:#23292A;
  --text-2:#5C6664;
  --text-3:#8A918E;
  --on-dark:#F2F4F0;
  --on-dark-2:#A9B6B0;
  --ok:#2E9E6B;
  --warn:#E0A32E;
  --err:#D2453A;
  --r-card:14px;
  --r-lg:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh:0 1px 2px rgba(18,33,28,.06);
  --sh-hover:0 12px 28px rgba(18,33,28,.14);
  --container:1200px;
  --sec-y:88px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--action);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;color:var(--text);}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--dark);
  border-bottom:1px solid rgba(255,255,255,.07);
  font-size:13px;
  color:var(--on-dark-2);
}
.topbar-inner{
  min-height:36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:6px;
  padding-bottom:6px;
}
.topbar-brand{color:var(--brand);letter-spacing:.4px;}
.topbar-links{display:flex;gap:18px;flex-wrap:wrap;}
.topbar-links a{color:var(--on-dark-2);position:relative;padding-bottom:2px;}
.topbar-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--brand);
  transition:width .24s ease;
}
.topbar-links a:hover{color:var(--on-dark);}
.topbar-links a:hover::after{width:100%;}

/* ---------- 主导航 ---------- */
.navbar-wrap{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(18,33,28,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,border-color .25s ease;
}
.navbar-wrap.scrolled{
  background:rgba(18,33,28,.99);
  border-bottom-color:rgba(255,255,255,.1);
}
.nav-inner{
  min-height:72px;
  display:flex;
  align-items:center;
  gap:20px;
  transition:min-height .25s ease;
}
.navbar-wrap.scrolled .nav-inner{min-height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(140deg,var(--brand) 0%,#7FBF16 100%);
  position:relative;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;
  border:1.5px solid rgba(18,33,28,.75);
  border-radius:50% 50% 50% 50% / 40% 40% 60% 60%;
  border-bottom-color:transparent;
  transform:rotate(-28deg);
}
.brand-text{color:var(--on-dark);font-weight:700;font-size:19px;letter-spacing:0;}
.brand:hover .brand-text{color:var(--brand);}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  display:inline-flex;align-items:center;
  height:38px;padding:0 14px;border-radius:var(--r-btn);
  color:var(--on-dark-2);font-size:15px;font-weight:500;
  position:relative;
}
.nav-link:hover{color:var(--on-dark);background:rgba(183,240,58,.14);}
.nav-link.active{
  color:var(--on-dark);
  background:rgba(183,240,58,.14);
}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--action);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-actions .btn{height:40px;font-size:15px;letter-spacing:.06em;padding:0 16px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;cursor:pointer;border:1.5px solid transparent;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--action);color:#fff;border-color:var(--action);}
.btn-primary:hover{background:var(--action-dark);border-color:var(--action-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,107,53,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-secondary{background:transparent;border-color:var(--line);color:var(--text);}
.btn-secondary:hover{border-color:var(--action);color:var(--action);}
.btn-on-dark{background:transparent;border-color:rgba(255,255,255,.35);color:#fff;}
.btn-on-dark:hover{border-color:var(--brand);color:var(--brand);}
.btn-block{width:100%;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;
  color:var(--action);position:relative;
}
.link-more span{transition:transform .22s ease;}
.link-more:hover span{transform:translateX(3px);}
.link-more::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--action);
  transition:width .24s ease;
}
.link-more:hover::after{width:100%;}
.nav-toggle{
  width:42px;height:42px;border-radius:var(--r-btn);
  border:1.5px solid rgba(255,255,255,.3);background:transparent;
  display:none;align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;
}
.nav-toggle i{display:block;width:16px;height:1.5px;background:#fff;}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding:22px 0 0;}
.crumbs{font-size:13px;color:var(--text-3);display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--action);}
.crumbs .sep{color:var(--line);}
.crumbs .current{color:var(--text-2);}

/* ---------- 双列页头 ---------- */
.pagehead{background:var(--paper);padding:26px 0 var(--sec-y);}
.pagehead-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;}
.pagehead h1{
  font-size:clamp(30px,3.6vw,42px);
  line-height:1.2;
  margin-bottom:14px;
}
.pagehead .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--brand-ink);background:var(--brand-soft);
  padding:5px 12px;border-radius:var(--r-pill);margin-bottom:16px;font-weight:500;
}
.pagehead .lead{font-size:17px;line-height:1.85;color:var(--text-2);max-width:640px;}
.pagehead .lead strong{color:var(--text);font-weight:700;}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.stat-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 16px;text-align:center;box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.stat-num{font-size:32px;font-weight:700;color:var(--brand-ink);line-height:1.1;}
.stat-num small{font-size:15px;font-weight:500;margin-left:2px;}
.stat-label{font-size:13px;color:var(--text-2);margin-top:8px;}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sec-y) 0;}
.section.paper{background:var(--paper);}
.section.white{background:var(--card);}
.section.dark{background:var(--dark);color:var(--on-dark);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(22px,2.4vw,28px);position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--action);
}
.section-head .desc{font-size:15px;color:var(--text-2);margin-top:10px;max-width:600px;}
.section.dark .section-head h2{color:var(--on-dark);}
.section.dark .section-head .desc{color:var(--on-dark-2);}

/* ---------- 速览要点卡 ---------- */
.points-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.point-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(183,240,58,.6);}
.point-icon{
  width:44px;height:44px;border-radius:12px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.point-icon i{display:block;width:18px;height:18px;border:2px solid var(--brand-ink);border-radius:50% 50% 50% 0;transform:rotate(-45deg);}
.point-card h3{font-size:17px;margin-bottom:8px;}
.point-card p{font-size:15px;line-height:1.75;color:var(--text-2);}

/* ---------- 宽版图文卡 2 列 ---------- */
.wide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.wide-card{
  display:grid;grid-template-columns:40% 60%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease;
}
.wide-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.wide-card .thumb{position:relative;overflow:hidden;background:var(--dark-2);min-height:180px;}
.wide-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.wide-card:hover .thumb img{transform:scale(1.04);}
.duration{
  position:absolute;right:10px;bottom:10px;
  background:rgba(18,33,28,.82);color:#fff;font-size:12px;
  padding:3px 9px;border-radius:var(--r-pill);letter-spacing:.4px;
}
.wide-body{padding:20px;display:flex;flex-direction:column;gap:10px;}
.wide-body h3{font-size:17px;line-height:1.4;transition:color .2s ease;}
.wide-card:hover .wide-body h3{color:var(--action);}
.wide-body p{font-size:15px;line-height:1.75;color:var(--text-2);margin:0;}
.badge-pill{
  display:inline-flex;align-items:center;
  font-size:12.5px;padding:4px 10px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-ink);font-weight:500;
  width:fit-content;
}
.badge-pill.dark{background:var(--dark-2);color:#E9F5D2;}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto;padding-top:4px;}
.tag{
  font-size:12.5px;color:var(--text-2);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:3px 9px;
}
.wide-card:hover .tag{border-color:rgba(255,107,53,.5);}

/* ---------- 数据条 ---------- */
.databar{
  background:var(--dark);border-radius:var(--r-lg);
  padding:34px 36px;color:var(--on-dark);
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  border:1px solid rgba(255,255,255,.08);
}
.databar-item{border-left:1px solid rgba(255,255,255,.16);padding-left:20px;}
.databar-item:first-child{border-left:0;padding-left:0;}
.databar-num{font-size:26px;font-weight:700;color:var(--brand);line-height:1.15;}
.databar-label{font-size:13px;color:var(--on-dark-2);margin-top:6px;}

/* ---------- FAQ ---------- */
.mk-faq .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  background:var(--card);margin-bottom:12px;box-shadow:var(--sh);
}
.mk-faq .accordion-item:last-child{margin-bottom:0;}
.mk-faq .accordion-button{
  width:100%;min-height:56px;padding:16px 20px;font-size:16px;font-weight:500;color:var(--text);
  background:var(--card);border:0;box-shadow:none;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:background-color .2s ease,color .2s ease;
}
.mk-faq .accordion-button:not(.collapsed){
  color:var(--text);background:var(--card);
  box-shadow:inset 3px 0 0 var(--action);
}
.mk-faq .accordion-button::after{
  content:"";flex:0 0 auto;width:16px;height:16px;margin:0;
  border-right:2px solid var(--action);border-bottom:2px solid var(--action);
  transform:rotate(45deg);transition:transform .22s ease-out;background:none;
}
.mk-faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);}
.mk-faq .accordion-button:focus{outline:none;box-shadow:none;}
.mk-faq .accordion-body{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ---------- CTA ---------- */
.cta-section{background:var(--dark);padding:96px 0;color:var(--on-dark);}
.cta-inner{max-width:760px;margin:0 auto;text-align:center;}
.cta-inner h2{color:var(--on-dark);font-size:clamp(22px,2.6vw,30px);margin-bottom:14px;}
.cta-inner p{color:var(--on-dark-2);font-size:16px;line-height:1.8;}
.cta-form{
  display:flex;gap:12px;justify-content:center;margin-top:28px;flex-wrap:wrap;
}
.cta-form input{
  height:48px;width:300px;max-width:100%;border-radius:var(--r-btn);
  border:1.5px solid rgba(255,255,255,.22);background:rgba(255,255,255,.05);
  color:var(--on-dark);padding:0 16px;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input::placeholder{color:var(--on-dark-2);}
.cta-form input:focus{outline:none;border-color:var(--action);box-shadow:0 0 0 2px rgba(255,107,53,.28);}
.cta-form .btn{height:48px;}
.cta-note{font-size:12px;color:var(--on-dark-2);margin-top:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--on-dark-2);padding:72px 0 28px;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--on-dark-2);max-width:320px;}
.footer-col h4{color:var(--on-dark);font-size:15px;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;line-height:2.1;color:var(--on-dark-2);border-bottom:1px solid transparent;padding-bottom:1px;}
.footer-col a:hover{color:var(--brand);border-bottom-color:var(--brand);}
.footer-sub p{font-size:14px;line-height:1.8;margin-bottom:14px;}
.footer-sub form{display:flex;gap:10px;flex-wrap:wrap;}
.footer-sub input{
  flex:1 1 150px;min-width:0;height:44px;border-radius:var(--r-btn);
  border:1.5px solid rgba(255,255,255,.2);background:rgba(255,255,255,.04);
  color:var(--on-dark);padding:0 14px;font-size:14px;
}
.footer-sub input::placeholder{color:var(--on-dark-2);}
.footer-sub input:focus{outline:none;border-color:var(--action);}
.footer-sub button{
  height:44px;padding:0 18px;border-radius:var(--r-btn);border:1.5px solid var(--action);
  background:var(--action);color:#fff;font-size:14px;cursor:pointer;
  transition:background-color .2s ease,border-color .2s ease;
}
.footer-sub button:hover{background:var(--action-dark);border-color:var(--action-dark);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:13px;
}
.footer-bottom .legal{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom .legal a{color:var(--on-dark-2);}
.footer-bottom .legal a:hover{color:var(--brand);}

/* ---------- Offcanvas ---------- */
.mk-offcanvas{width:320px;background:var(--dark);color:var(--on-dark);}
.mk-offcanvas .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);}
.mk-offcanvas .offcanvas-title{color:var(--on-dark);font-weight:700;font-size:18px;}
.mk-offcanvas .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.8;}
.mk-offcanvas .offcanvas-body{display:flex;flex-direction:column;padding:16px;}
.mk-offcanvas .m-link{
  display:flex;align-items:center;height:52px;padding:0 14px;border-radius:var(--r-btn);
  color:var(--on-dark-2);font-size:16px;font-weight:500;
}
.mk-offcanvas .m-link:hover,.mk-offcanvas .m-link.active{background:rgba(183,240,58,.14);color:var(--on-dark);}
.mk-offcanvas .m-foot{margin-top:auto;padding-top:20px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--sec-y:72px;}
  .pagehead-grid{gap:32px;}
}
@media (max-width:991.98px){
  :root{--sec-y:64px;}
  .main-nav{display:none;}
  .nav-actions .btn-secondary{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{min-height:64px;}
  .navbar-wrap.scrolled .nav-inner{min-height:58px;}
  .pagehead-grid{grid-template-columns:1fr;gap:28px;}
  .stat-row{grid-template-columns:repeat(3,1fr);}
  .points-grid{grid-template-columns:1fr;}
  .wide-grid{grid-template-columns:1fr;}
  .databar{grid-template-columns:repeat(2,1fr);gap:22px;padding:28px;}
  .databar-item:nth-child(3){border-left:0;padding-left:0;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .cta-section{padding:72px 0;}
}
@media (max-width:767.98px){
  .container{padding:0 16px;}
  .topbar-links{gap:14px;font-size:12.5px;}
  .wide-card{grid-template-columns:1fr;}
  .wide-card .thumb{min-height:200px;aspect-ratio:16/9;}
  .section-head{margin-bottom:26px;}
  .stat-row{grid-template-columns:1fr;}
  .stat-card{display:flex;align-items:baseline;justify-content:space-between;text-align:left;padding:16px;}
  .stat-label{margin-top:0;}
}
@media (max-width:575.98px){
  :root{--sec-y:44px;}
  .pagehead{padding-bottom:44px;}
  .databar{grid-template-columns:1fr;}
  .databar-item{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.12);padding-top:16px;}
  .databar-item:first-child{border-top:0;padding-top:0;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-form{flex-direction:column;}
  .cta-form input{width:100%;}
  .cta-form .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (min-width:1400px){
  :root{--container:1240px;}
}

/* roulang page: category3 */
:root{
  --lime:#B7F03A;
  --lime-soft:rgba(183,240,58,.12);
  --lime-line:rgba(183,240,58,.28);
  --accent:#FF6B35;
  --accent-hover:#E4551F;
  --ink:#12211C;
  --ink-2:#1B2F28;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --line:#E3E0D8;
  --text:#23292A;
  --muted:#5C6664;
  --muted-2:#8A918E;
  --dark-text:#F2F4F0;
  --dark-muted:#A9B6B0;
  --ok:#2E9E6B;
  --warn:#E0A32E;
  --err:#D2453A;
  --r-card:14px;
  --r-img:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,33,28,.06);
  --sh-2:0 12px 28px rgba(18,33,28,.14);
  --sp:8px;
  --sect:88px;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.visually-hidden{position:absolute !important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ===== 顶部信息条 ===== */
.topbar{background:#0D1A15;color:var(--dark-muted);font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:36px;flex-wrap:wrap}
.topbar-brand{color:#D9E4DC;letter-spacing:.3px}
.topbar-brand strong{color:var(--lime);font-weight:700}
.topbar-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.topbar-links a{color:var(--dark-muted);font-size:13px;position:relative}
.topbar-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--lime);transform:scaleX(0);transition:transform .25s ease}
.topbar-links a:hover{color:var(--lime)}
.topbar-links a:hover::after{transform:scaleX(1)}

/* ===== 主导航 ===== */
.site-header{position:sticky;top:0;z-index:1030}
.navbar-main{background:rgba(18,33,28,.94);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:background-color .25s ease,border-color .25s ease}
.site-header.scrolled .navbar-main{background:rgba(13,26,21,.98);border-bottom-color:rgba(255,255,255,.09)}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .25s ease}
.site-header.scrolled .nav-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:32px;height:32px;border-radius:12px;background:linear-gradient(140deg,var(--lime),#5FA80C);position:relative;overflow:hidden;flex-shrink:0}
.brand-mark::before{content:"";position:absolute;inset:6px 5px;border:1.6px solid rgba(18,33,28,.72);border-radius:50% 50% 50% 50%/60% 60% 40% 40%;border-bottom-color:transparent}
.brand-mark::after{content:"";position:absolute;left:6px;right:6px;top:50%;height:1.4px;background:rgba(18,33,28,.72)}
.brand-text{color:var(--dark-text);font-size:21px;font-weight:700;letter-spacing:0}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-links a{height:38px;display:inline-flex;align-items:center;padding:0 14px;border-radius:var(--r-btn);color:#CFD9D3;font-size:15px;font-weight:500;position:relative;white-space:nowrap}
.nav-links a:hover{background:rgba(183,240,58,.14);color:var(--lime)}
.nav-links a.active{background:rgba(183,240,58,.14);color:#EAF6D6}
.nav-links a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--accent)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn-main,.btn-line{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:500;letter-spacing:1px;border:1.5px solid transparent;cursor:pointer;transition:transform .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease}
.btn-main{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-main:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,107,53,.28)}
.btn-main:active{transform:translateY(0);box-shadow:none}
.btn-line{background:transparent;border-color:var(--line);color:var(--text)}
.btn-line:hover{border-color:var(--accent);color:var(--accent)}
.nav-actions .btn-main,.nav-actions .btn-line{height:40px;padding:0 18px}
.nav-actions .btn-line{border-color:rgba(255,255,255,.35);color:#F2F4F0}
.nav-actions .btn-line:hover{border-color:var(--lime);color:var(--lime)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-btn);background:transparent;border:1.5px solid rgba(255,255,255,.35);align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:#F2F4F0;border-radius:2px}
.offcanvas.mk-drawer{background:var(--ink);color:var(--dark-text);width:320px}
.mk-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);padding:18px 20px}
.mk-drawer .offcanvas-title{color:var(--lime);font-weight:700;font-size:19px}
.mk-drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.7}
.drawer-links{display:flex;flex-direction:column;padding:8px 0}
.drawer-links a{display:flex;align-items:center;height:52px;padding:0 20px;color:#DDE6E0;font-size:16px;font-weight:500;border-bottom:1px solid rgba(255,255,255,.06)}
.drawer-links a:hover,.drawer-links a.active{background:rgba(183,240,58,.14);color:var(--lime)}
.drawer-foot{margin-top:auto;padding:20px;border-top:1px solid rgba(255,255,255,.1)}
.drawer-foot .btn-main{width:100%}

/* ===== 面包屑 ===== */
.crumb{font-size:13px;color:var(--muted-2);padding:22px 0 0}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;list-style:none}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#C4C1B8}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--accent)}
.crumb .now{color:var(--text);font-weight:500}

/* ===== 页头 ===== */
.page-head{background:var(--paper);padding:34px 0 44px}
.page-head-grid{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;flex-wrap:wrap}
.page-title{font-size:clamp(30px,3.6vw,42px);line-height:1.22;color:var(--ink);letter-spacing:.5px}
.page-title .tick{display:inline-block;width:8px;height:8px;border-radius:2px;background:var(--accent);vertical-align:14px;margin-right:12px}
.page-sub{margin-top:14px;font-size:17px;color:var(--muted);max-width:640px;line-height:1.75}
.page-sub b{color:var(--ink);font-weight:700}
.head-tags{display:flex;gap:10px;flex-wrap:wrap;max-width:420px}
.tag-pill{display:inline-flex;align-items:center;height:34px;padding:0 15px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);font-size:13px;color:var(--muted);box-shadow:var(--sh-1)}
.tag-pill.on{background:var(--lime-soft);border-color:var(--lime-line);color:#2C4A21;font-weight:500}

/* ===== 数据带 ===== */
.stats-band{background:var(--ink);color:var(--dark-text);position:relative;overflow:hidden}
.stats-band::before{content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.png");background-size:cover;background-position:center;opacity:.14}
.stats-inner{position:relative;padding:56px 0}
.stats-head{display:flex;align-items:baseline;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:30px}
.stats-head h2{font-size:clamp(22px,2.4vw,28px);color:#fff}
.stats-head p{font-size:14px;color:var(--dark-muted)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{background:var(--ink-2);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-card);padding:22px 20px}
.stat-num{font-size:32px;font-weight:700;color:var(--lime);line-height:1.1}
.stat-num small{font-size:14px;font-weight:500;color:var(--dark-muted);margin-left:4px}
.stat-label{margin-top:8px;font-size:13px;color:var(--dark-muted);line-height:1.7}

/* ===== 板块通用 ===== */
.section{padding:var(--sect) 0}
.section-paper{background:var(--paper)}
.section-white{background:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap;margin-bottom:44px}
.sec-head h2{font-size:clamp(24px,2.6vw,28px);color:var(--ink);padding-left:16px;position:relative}
.sec-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--accent)}
.sec-head .sec-desc{margin-top:8px;font-size:15px;color:var(--muted);padding-left:16px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;color:var(--ink);position:relative;padding-bottom:3px}
.link-more::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.link-more:hover{color:var(--accent)}
.link-more:hover::after{transform:scaleX(1)}
.link-more .arw{transition:transform .25s ease}
.link-more:hover .arw{transform:translateX(3px)}

/* ===== 图文交错流 ===== */
.alt-flow{display:flex;flex-direction:column}
.alt-item{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:64px 0;border-bottom:1px solid var(--line)}
.alt-item:first-child{padding-top:0}
.alt-item:last-child{border-bottom:0;padding-bottom:0}
.alt-media{border-radius:var(--r-img);overflow:hidden;background:#E7E4DC;aspect-ratio:16/10;box-shadow:var(--sh-1)}
.alt-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.alt-item:hover .alt-media img{transform:scale(1.04)}
.alt-item.reverse .alt-media{order:2}
.alt-item.reverse .alt-body{order:1}
.alt-index{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px}
.alt-index .no{font-size:28px;font-weight:700;color:var(--accent);line-height:1;letter-spacing:0}
.alt-index .badge-cat{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--r-pill);background:var(--lime-soft);color:#2C4A21;font-size:12.5px;font-weight:500}
.alt-body h3{font-size:clamp(20px,2.1vw,23px);color:var(--ink);margin-bottom:14px}
.alt-body p{font-size:16px;line-height:1.8;color:var(--muted)}
.alt-points{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.alt-points li{position:relative;padding-left:18px;font-size:15px;line-height:1.75;color:var(--text)}
.alt-points li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--accent)}
.alt-meta{margin-top:20px;display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--muted-2)}
.alt-meta span{display:inline-flex;align-items:center;gap:6px}
.alt-meta i{display:block;width:6px;height:6px;border-radius:1px;background:var(--lime)}

/* ===== 流程 ===== */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px 20px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6D2C8}
.flow-step{font-size:12.5px;font-weight:700;color:var(--accent);letter-spacing:1px}
.flow-card h3{font-size:17px;color:var(--ink);margin:12px 0 10px}
.flow-card p{font-size:15px;line-height:1.75;color:var(--muted)}

/* ===== FAQ ===== */
.faq-wrap{max-width:880px}
.accordion.faq-acc{--bs-accordion-border-width:0}
.faq-acc .accordion-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);position:relative}
.faq-acc .accordion-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:background-color .2s ease}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed))::before{background:var(--accent)}
.faq-acc .accordion-button{background:#fff;color:var(--ink);font-size:16px;font-weight:500;line-height:1.5;min-height:56px;padding:16px 52px 16px 20px;border-radius:0 !important;box-shadow:none !important}
.faq-acc .accordion-button:not(.collapsed){color:var(--ink);background:#fff}
.faq-acc .accordion-button:focus{box-shadow:none;outline:none}
.faq-acc .accordion-button::after{width:16px;height:16px;background-size:16px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2323292A'%3E%3Cpath d='M8 11.2 2.6 5.8l1.1-1.1L8 9l4.3-4.3 1.1 1.1z'/%3E%3C/svg%3E");transition:transform .22s ease-out}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.faq-acc .accordion-body{padding:0 20px 20px;font-size:16px;line-height:1.85;color:var(--muted)}

/* ===== CTA ===== */
.cta-band{background:var(--ink);color:var(--dark-text);position:relative;overflow:hidden;padding:96px 0}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-3.webp");background-size:cover;background-position:center;opacity:.16}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,33,28,.92) 0%,rgba(18,33,28,.62) 55%,rgba(18,33,28,.88) 100%)}
.cta-inner{position:relative;max-width:760px;margin:0 auto;text-align:center}
.cta-inner h2{font-size:clamp(24px,3vw,32px);color:#fff;line-height:1.3}
.cta-inner p{margin-top:14px;font-size:16px;color:var(--dark-muted);line-height:1.8}
.cta-form{margin-top:30px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.cta-form input{height:48px;width:300px;max-width:100%;border-radius:var(--r-btn);border:1.5px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);color:#fff;padding:0 16px;transition:border-color .2s ease,background-color .2s ease}
.cta-form input::placeholder{color:#8FA098}
.cta-form input:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,.1)}
.cta-form .btn-main{height:48px}
.cta-note{margin-top:14px;font-size:12.5px;color:#7E8F88}

/* ===== 更多栏目 ===== */
.cat-links{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cat-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px 20px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6D2C8;color:var(--text)}
.cat-card h3{font-size:17px;color:var(--ink);margin-bottom:8px}
.cat-card:hover h3{color:var(--accent)}
.cat-card p{font-size:14px;line-height:1.7;color:var(--muted)}
.cat-card .go{margin-top:14px;font-size:13px;color:var(--muted-2)}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:var(--dark-muted);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:56px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--dark-muted);max-width:320px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:2px}
.footer-col ul li a{font-size:14px;color:var(--dark-muted);line-height:2.1;display:inline-block;position:relative}
.footer-col ul li a::after{content:"";position:absolute;left:0;right:0;bottom:3px;height:1px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.footer-col ul li a:hover{color:var(--lime)}
.footer-col ul li a:hover::after{transform:scaleX(1)}
.footer-sub p{font-size:14px;line-height:1.8;color:var(--dark-muted);margin-bottom:14px}
.footer-sub form{display:flex;gap:10px;flex-wrap:wrap}
.footer-sub input{flex:1 1 160px;height:44px;border-radius:var(--r-btn);border:1.5px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px}
.footer-sub input::placeholder{color:#7E8F88}
.footer-sub input:focus{outline:none;border-color:var(--accent)}
.footer-sub button{height:44px;padding:0 20px;border-radius:var(--r-btn);background:var(--accent);border:0;color:#fff;font-size:14px;font-weight:500;cursor:pointer;transition:background-color .2s ease,transform .2s ease}
.footer-sub button:hover{background:var(--accent-hover);transform:translateY(-2px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8493 8C;color:#84938C}
.footer-bottom .legal{display:flex;gap:20px}
.footer-bottom a{color:#84938C}
.footer-bottom a:hover{color:var(--lime)}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .alt-item{gap:40px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .cat-links{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  :root{--sect:64px}
  .nav-links,.nav-actions .btn-line{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-main{height:40px;padding:0 16px;font-size:14px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:72px 0}
  .topbar-links{display:none}
}
@media (max-width:767px){
  :root{--sect:52px}
  .container{padding:0 18px}
  body{font-size:16px}
  .alt-item{grid-template-columns:1fr;gap:22px;padding:44px 0}
  .alt-item.reverse .alt-media{order:1}
  .alt-item.reverse .alt-body{order:2}
  .flow-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:14px}
  .sec-head{margin-bottom:30px}
  .page-head{padding:22px 0 34px}
  .cta-form input{width:100%}
  .cta-form .btn-main{width:100%}
}
@media (max-width:575px){
  :root{--sect:44px}
  .stats-grid{grid-template-columns:1fr}
  .cat-links{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .page-sub{font-size:16px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category4 */
:root{
  --lime:#B7F03A;
  --lime-soft:rgba(183,240,58,.12);
  --lime-border:rgba(183,240,58,.35);
  --lime-deep:#2C4A21;
  --orange:#FF6B35;
  --orange-dark:#E4551F;
  --ink:#12211C;
  --ink-2:#1B2F28;
  --ink-3:#243C33;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --line:#E3E0D8;
  --text:#23292A;
  --text-2:#5C6664;
  --text-3:#8A918E;
  --dark-text:#F2F4F0;
  --dark-text-2:#A9B6B0;
  --ok:#2E9E6B;
  --warn:#E0A32E;
  --err:#D2453A;
  --r-card:14px;
  --r-lg:16px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(18,33,28,.06);
  --sh-2:0 12px 28px rgba(18,33,28,.14);
  --gutter:24px;
  --sec-y:88px;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--orange);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:0;}
p{margin:0 0 1.15em;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter);}
.container-narrow{max-width:860px;}
.section{padding:var(--sec-y) 0;}
.section-tight{padding:64px 0;}
.section-dark{background:var(--ink);color:var(--dark-text);}
.section-dark h2,.section-dark h3{color:var(--dark-text);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:500;letter-spacing:.08em;
  color:var(--lime-deep);background:var(--lime-soft);
  padding:5px 12px;border-radius:999px;
}
.section-dark .eyebrow{color:var(--lime);background:rgba(183,240,58,.14);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(22px,2.4vw,28px);margin-bottom:10px;position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--orange);
}
.section-head .sub{color:var(--text-2);font-size:15px;margin:0;max-width:640px;line-height:1.75;}
.section-dark .section-head .sub{color:var(--dark-text-2);}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;color:var(--orange);
  padding-bottom:2px;border-bottom:1px solid transparent;white-space:nowrap;
}
.link-more .arrow{transition:transform .2s ease;display:inline-block;}
.link-more:hover{border-bottom-color:var(--orange);}
.link-more:hover .arrow{transform:translateX(3px);}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink-2);color:var(--dark-text-2);font-size:13px;border-bottom:1px solid rgba(255,255,255,.06);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:36px;flex-wrap:wrap;}
.topbar-site{color:var(--dark-text);font-weight:500;letter-spacing:.02em;}
.topbar-links{display:flex;gap:18px;flex-wrap:wrap;}
.topbar-links a{color:var(--dark-text-2);}
.topbar-links a:hover{color:var(--lime);}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(18,33,28,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid rgba(255,255,255,0);
  transition:background-color .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:rgba(18,33,28,.99);border-bottom-color:rgba(255,255,255,.1);}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height .25s ease;}
.site-header.is-scrolled .nav-inner{height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--dark-text);flex:0 0 auto;}
.brand:hover{color:var(--dark-text);}
.brand-mark{
  width:32px;height:32px;border-radius:12px;
  background:linear-gradient(135deg,var(--lime) 0%,#6FBE1E 100%);
  position:relative;flex:0 0 auto;overflow:hidden;
}
.brand-mark::after{
  content:"";position:absolute;left:5px;right:5px;top:50%;height:2px;border-radius:2px;
  background:var(--ink);transform:translateY(-6px);
  box-shadow:0 8px 0 rgba(18,33,28,.55);
}
.brand-mark::before{
  content:"";position:absolute;width:22px;height:22px;left:5px;top:5px;border-radius:50%;
  border:1px solid rgba(18,33,28,.35);
}
.brand-text{font-weight:700;font-size:19px;letter-spacing:0;}
.main-nav{flex:1 1 auto;display:flex;justify-content:center;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:var(--r-btn);
  color:var(--dark-text-2);font-size:15px;font-weight:500;position:relative;
}
.nav-link:hover{color:var(--lime);background:rgba(183,240,58,.14);}
.nav-link.active{color:var(--dark-text);background:rgba(255,255,255,.07);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--orange);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;height:40px;padding:0 16px;border-radius:var(--r-btn);
  background:transparent;border:1.5px solid rgba(255,255,255,.35);color:var(--dark-text);
  font-size:15px;font-weight:500;letter-spacing:1px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;letter-spacing:1px;cursor:pointer;
  border:1.5px solid transparent;transition:all .22s ease;white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff;border-color:var(--orange);}
.btn-primary:hover{background:var(--orange-dark);border-color:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,107,53,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:transparent;border-color:var(--line);color:var(--text);}
.btn-outline:hover{border-color:var(--orange);color:var(--orange);}
.btn-sm{height:40px;padding:0 18px;font-size:15px;}
.btn-dark-outline{background:transparent;border-color:rgba(255,255,255,.35);color:var(--dark-text);}
.btn-dark-outline:hover{border-color:var(--lime);color:var(--lime);}
.btn-block{width:100%;}

/* ---------- 徽章 ---------- */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;
  font-size:12.5px;font-weight:500;line-height:1.5;
  background:var(--lime-soft);color:var(--lime-deep);
}
.badge-pill.on-dark{background:var(--ink-2);color:#E9F5D2;}
.badge-pill.solid-lime{background:var(--lime);color:var(--ink);}
.badge-pill.outline{background:transparent;border:1px solid var(--line);color:var(--text-2);}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{font-size:13px;color:var(--dark-text-2);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb-bar a{color:var(--dark-text-2);}
.breadcrumb-bar a:hover{color:var(--lime);}
.breadcrumb-bar .sep{opacity:.55;}
.breadcrumb-bar .current{color:var(--dark-text);}

/* ---------- 分类页 Banner ---------- */
.cat-banner{
  position:relative;color:var(--dark-text);overflow:hidden;
  background:var(--ink);
}
.cat-banner-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5;
}
.cat-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(18,33,28,.94) 0%,rgba(18,33,28,.78) 42%,rgba(18,33,28,.32) 100%);
}
.cat-banner-inner{position:relative;z-index:2;padding:56px 0 60px;}
.cat-banner h1{
  font-size:clamp(30px,4vw,44px);line-height:1.18;margin:18px 0 14px;color:var(--dark-text);
}
.cat-banner .lead{
  max-width:660px;color:var(--dark-text-2);font-size:17px;line-height:1.75;margin:0 0 26px;
}
.banner-facts{display:flex;gap:32px;flex-wrap:wrap;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);}
.banner-fact{display:flex;flex-direction:column;gap:2px;}
.banner-fact .k{font-size:12.5px;color:var(--dark-text-2);letter-spacing:.04em;}
.banner-fact .v{font-size:20px;font-weight:700;color:var(--lime);}

/* ---------- 主体两栏（粘性索引 + 长文） ---------- */
.cat4-wrap{padding:64px 0 0;background:var(--paper);}
.cat4-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:48px;align-items:start;}
.index-rail{position:sticky;top:96px;}
.index-title{font-size:12.5px;letter-spacing:.1em;color:var(--text-3);margin:0 0 14px;}
.index-list{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line);}
.index-list a{
  display:block;padding:11px 14px;font-size:15px;color:var(--text-2);
  border-left:3px solid transparent;margin-left:-1px;border-radius:0 8px 8px 0;
}
.index-list a:hover{color:var(--orange);background:rgba(183,240,58,.08);}
.index-list a.active{color:var(--ink);border-left-color:var(--orange);background:rgba(183,240,58,.12);font-weight:500;}
.index-cta{margin-top:22px;padding:18px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);box-shadow:var(--sh-1);}
.index-cta p{font-size:14px;color:var(--text-2);margin:0 0 12px;line-height:1.7;}

.longform{min-width:0;}
.longform .block{padding-bottom:64px;margin-bottom:64px;border-bottom:1px solid var(--line);}
.longform .block:last-of-type{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.longform h2{
  font-size:clamp(20px,2.2vw,25px);position:relative;padding-left:16px;margin-bottom:20px;scroll-margin-top:110px;
}
.longform h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--orange);}
.longform h3{font-size:19px;margin:28px 0 12px;}
.longform p{font-size:16px;line-height:1.85;color:var(--text-2);max-width:780px;}
.longform p strong{color:var(--text);font-weight:700;}
.lead-para{font-size:17px !important;color:var(--text) !important;}

/* 数据面板 */
.stat-board{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin:28px 0 8px;
}
.stat-card{
  background:var(--ink-2);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-card);
  padding:20px;color:var(--dark-text);
}
.stat-card .v{font-size:30px;font-weight:700;color:var(--lime);line-height:1.2;letter-spacing:0;}
.stat-card .k{font-size:13px;color:var(--dark-text-2);margin-top:6px;}
.stat-card .note{font-size:12.5px;color:var(--text-3);margin-top:10px;padding-top:10px;border-top:1px solid rgba(255,255,255,.08);}
.board-band{background:var(--ink);border-radius:var(--r-lg);padding:28px;}

/* 指标三列卡 */
.point-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:26px;}
.point-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;
  box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,107,53,.35);}
.point-card .idx{font-size:12.5px;letter-spacing:.1em;color:var(--orange);font-weight:700;}
.point-card h3{font-size:17px;margin:10px 0 8px;}
.point-card p{font-size:15px;line-height:1.75;color:var(--text-2);margin:0;}

/* 步骤流 */
.steps{display:grid;gap:18px;margin-top:26px;counter-reset:step;}
.step{
  display:grid;grid-template-columns:56px minmax(0,1fr);gap:18px;align-items:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;
  box-shadow:var(--sh-1);
}
.step-no{
  width:44px;height:44px;border-radius:12px;background:var(--lime-soft);color:var(--lime-deep);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;
}
.step h3{font-size:17px;margin:4px 0 8px;}
.step p{font-size:15px;line-height:1.75;color:var(--text-2);margin:0;}

/* 表格 */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);margin-top:24px;}
table.data-table{min-width:660px;font-size:15px;}
table.data-table th,table.data-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);line-height:1.6;}
table.data-table thead th{background:#F1EFE8;font-weight:700;font-size:14px;color:var(--text);white-space:nowrap;}
table.data-table tbody tr:last-child td{border-bottom:0;}
table.data-table tbody tr:hover{background:rgba(183,240,58,.08);}
table.data-table td .tag{font-size:12.5px;color:var(--lime-deep);background:var(--lime-soft);padding:3px 9px;border-radius:999px;}

/* 引用与说明 */
.callout{
  background:#EFEDE5;border-left:4px solid var(--orange);border-radius:0 12px 12px 0;
  padding:20px;font-size:15.5px;line-height:1.85;color:var(--text-2);margin:24px 0;
}
.callout strong{color:var(--text);}

/* 图片区块 */
.media-card{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--card);
  box-shadow:var(--sh-1);margin:28px 0 8px;
}
.media-card figure{margin:0;}
.media-ratio{position:relative;width:100%;padding-top:56.25%;background:#E9E6DD;}
.media-ratio img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.media-card figcaption{padding:16px 20px;font-size:13px;color:var(--text-3);border-top:1px solid var(--line);}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;margin-top:26px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);
  overflow:hidden;box-shadow:var(--sh-1);position:relative;transition:border-color .22s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:background-color .22s ease;
}
.faq-item.open::before{background:var(--orange);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:0 20px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:500;color:var(--text);cursor:pointer;
}
.faq-q:hover{color:var(--orange);}
.faq-q .chev{flex:0 0 auto;width:16px;height:16px;position:relative;transition:transform .22s ease-out;}
.faq-q .chev::before,.faq-q .chev::after{
  content:"";position:absolute;background:var(--text-2);border-radius:2px;
}
.faq-q .chev::before{left:7px;top:0;width:2px;height:16px;}
.faq-q .chev::after{left:0;top:7px;width:16px;height:2px;}
.faq-item.open .faq-q .chev{transform:rotate(180deg);}
.faq-item.open .faq-q .chev::before{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease-out;}
.faq-a p{padding:0 20px 20px;margin:0;font-size:15.5px;line-height:1.85;color:var(--text-2);}

/* CTA */
.cta-band{background:var(--ink);color:var(--dark-text);padding:88px 0;}
.cta-inner{max-width:760px;margin:0 auto;text-align:center;}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px;color:var(--dark-text);}
.cta-inner p{color:var(--dark-text-2);font-size:16px;line-height:1.8;margin-bottom:26px;}
.cta-form{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
.cta-form input[type=email]{
  height:48px;width:300px;max-width:100%;padding:0 16px;border-radius:var(--r-btn);
  border:1.5px solid rgba(255,255,255,.28);background:rgba(255,255,255,.06);color:var(--dark-text);
}
.cta-form input[type=email]::placeholder{color:rgba(242,244,240,.5);}
.cta-form input[type=email]:focus{outline:0;border-color:var(--orange);box-shadow:0 0 0 1px var(--orange);}
.cta-form .btn{height:48px;}
.cta-note{font-size:12.5px;color:var(--dark-text-2);margin:14px 0 0;}

/* 页脚 */
.site-footer{background:var(--ink);color:var(--dark-text-2);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px;}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--dark-text-2);max-width:300px;margin:0;}
.footer-col h4{font-size:15px;color:var(--dark-text);margin-bottom:14px;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;}
.footer-col li{line-height:2.1;}
.footer-col a{color:var(--dark-text-2);font-size:14px;display:inline-block;border-bottom:1px solid transparent;}
.footer-col a:hover{color:var(--lime);border-bottom-color:var(--lime);}
.footer-sub p{font-size:14px;line-height:1.8;margin:0 0 12px;color:var(--dark-text-2);}
.footer-sub form{display:flex;gap:10px;flex-wrap:wrap;}
.footer-sub input[type=email]{
  flex:1 1 150px;height:44px;padding:0 14px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.06);border:1.5px solid rgba(255,255,255,.24);color:var(--dark-text);min-width:0;
}
.footer-sub input[type=email]::placeholder{color:rgba(242,244,240,.45);}
.footer-sub input[type=email]:focus{outline:0;border-color:var(--orange);}
.footer-sub button{
  height:44px;padding:0 20px;border-radius:var(--r-btn);border:1.5px solid var(--orange);
  background:var(--orange);color:#fff;font-weight:500;cursor:pointer;transition:background-color .2s ease;
}
.footer-sub button:hover{background:var(--orange-dark);border-color:var(--orange-dark);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--dark-text-2);
}
.footer-bottom .legal{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom .legal a{color:var(--dark-text-2);}
.footer-bottom .legal a:hover{color:var(--lime);}

/* Offcanvas */
.offcanvas.mobile-nav{background:var(--ink);color:var(--dark-text);width:320px;}
.offcanvas.mobile-nav .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);padding:18px 20px;}
.offcanvas.mobile-nav .offcanvas-title{font-size:17px;font-weight:700;color:var(--dark-text);}
.offcanvas.mobile-nav .btn-close{filter:invert(1) grayscale(1) brightness(2);}
.offcanvas.mobile-nav .offcanvas-body{padding:12px 12px 100px;}
.mobile-link{
  display:flex;align-items:center;height:52px;padding:0 16px;border-radius:var(--r-btn);
  color:var(--dark-text-2);font-size:16px;
}
.mobile-link:hover{color:var(--lime);background:rgba(183,240,58,.12);}
.mobile-link.active{color:var(--dark-text);background:rgba(255,255,255,.08);}
.mobile-foot{
  position:absolute;left:0;right:0;bottom:0;padding:16px 20px;
  border-top:1px solid rgba(255,255,255,.1);background:var(--ink);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--gutter:20px;}
}
@media (max-width:991.98px){
  :root{--sec-y:64px;}
  .main-nav{display:none;}
  .nav-actions .btn-dark-outline{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;}
  .cat4-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .index-rail{position:sticky;top:60px;background:var(--paper);padding:12px 0;z-index:20;border-bottom:1px solid var(--line);}
  .index-title{display:none;}
  .index-list{
    flex-direction:row;gap:8px;overflow-x:auto;border-left:0;padding-bottom:4px;
    scrollbar-width:none;
  }
  .index-list::-webkit-scrollbar{display:none;}
  .index-list a{
    white-space:nowrap;border:1px solid var(--line);border-radius:999px;margin-left:0;padding:8px 16px;
    font-size:14px;background:var(--card);
  }
  .index-list a.active{border-left-color:var(--line);background:var(--lime-soft);border-color:var(--lime-border);}
  .index-cta{display:none;}
  .point-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-board{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{padding:64px 0;}
  .longform .block{padding-bottom:48px;margin-bottom:48px;}
}
@media (max-width:767.98px){
  .cat-banner-inner{padding:40px 0 44px;}
  .banner-facts{gap:22px;}
  .point-grid{grid-template-columns:minmax(0,1fr);}
  .step{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:18px;}
  .cta-form{flex-direction:column;align-items:stretch;}
  .cta-form input[type=email],.cta-form .btn{width:100%;}
}
@media (max-width:575.98px){
  :root{--sec-y:44px;--gutter:16px;}
  .topbar-links{display:none;}
  .stat-board{grid-template-columns:minmax(0,1fr);gap:14px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .brand-text{font-size:17px;}
  .footer-bottom{flex-direction:column;}
}