/* roulang page: index */
:root{
  --fb-brand:#0E1512;
  --fb-accent:#C4F042;
  --fb-accent-deep:#4E6B14;
  --fb-accent-soft:#EDF7D6;
  --fb-warm:#E8642C;
  --fb-bg:#FAFAF7;
  --fb-mist:#F1F2ED;
  --fb-card:#FFFFFF;
  --fb-text:#101615;
  --fb-text-2:#5C6663;
  --fb-text-3:#8A928E;
  --fb-border:#E2E4DC;
  --fb-divider:#EDEEE8;
  --fb-on-dark:#F2F5EF;
  --fb-on-dark-2:#98A29C;
  --fb-r-tag:4px;
  --fb-r-btn:6px;
  --fb-r-card:12px;
  --fb-sh-1:0 1px 2px rgba(14,21,18,.04),0 8px 24px -12px rgba(14,21,18,.10);
  --fb-sh-2:0 2px 4px rgba(14,21,18,.06),0 20px 40px -20px rgba(14,21,18,.18);
  --fb-t:180ms cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.88;
  color:var(--fb-text);
  background:var(--fb-bg);
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden}
.fb-num{font-family:Inter,"Helvetica Neue",Arial,sans-serif;font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--fb-t),border-color var(--fb-t),background-color var(--fb-t)}
a:hover{color:var(--fb-accent-deep)}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit}
input{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid rgba(196,240,66,.9);outline-offset:2px}
.fb-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.fb-grid{margin-left:-12px;margin-right:-12px}
.fb-grid>.cell{padding-left:12px;padding-right:12px}
.fb-sec{padding:104px 0}
.fb-sec--mist{background:var(--fb-mist)}
.fb-sec--tight{padding:88px 0}
.fb-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px;flex-wrap:wrap}
.fb-sec-head__L{max-width:680px}
.fb-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--fb-text-3);font-weight:600;margin-bottom:14px}
.fb-eyebrow::before{content:"";width:20px;height:2px;background:var(--fb-warm)}
.fb-h2{font-size:38px;line-height:1.2;font-weight:800;letter-spacing:-.01em;color:var(--fb-text)}
.fb-sub{font-size:15px;line-height:1.7;color:var(--fb-text-2);margin-top:14px;max-width:640px}
.fb-more{font-size:15px;font-weight:600;color:var(--fb-text);display:inline-flex;align-items:center;gap:6px;padding-bottom:4px;border-bottom:1px solid var(--fb-border);transition:color var(--fb-t),border-color var(--fb-t)}
.fb-more:hover{border-color:var(--fb-accent-deep);color:var(--fb-accent-deep)}
.fb-more span{transition:transform var(--fb-t)}
.fb-more:hover span{transform:translateX(4px)}

/* ============ 按钮 ============ */
.fb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--fb-r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;
  transition:background-color var(--fb-t),color var(--fb-t),border-color var(--fb-t),transform var(--fb-t),box-shadow var(--fb-t);
  white-space:nowrap;
}
.fb-btn--dark{background:var(--fb-brand);color:#F4F6F1}
.fb-btn--dark:hover{background:var(--fb-accent);color:var(--fb-brand);transform:translateY(-1px)}
.fb-btn--ghost{background:transparent;color:var(--fb-text);border-color:var(--fb-brand)}
.fb-btn--ghost:hover{border-color:var(--fb-accent-deep);color:var(--fb-accent-deep);transform:translateY(-1px)}
.fb-btn--light{background:rgba(255,255,255,.08);color:#F2F5EF;border-color:rgba(242,245,239,.28)}
.fb-btn--light:hover{background:var(--fb-accent);color:var(--fb-brand);border-color:var(--fb-accent)}
.fb-btn--sm{min-height:40px;padding:0 16px;font-size:14px}
.fb-btn:active{transform:translateY(0) scale(.985)}
.fb-btn.is-saved{background:var(--fb-accent);color:var(--fb-brand);border-color:var(--fb-accent)}
.fb-badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:var(--fb-r-tag);background:var(--fb-accent-soft);color:var(--fb-accent-deep);font-size:11px;font-weight:700;letter-spacing:.1em}
.fb-badge::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--fb-warm)}

/* ============ 页头导航 ============ */
.fb-header{position:sticky;top:0;z-index:80;background:rgba(250,250,247,.96);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--fb-divider)}
.fb-header__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.fb-logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.fb-logo__mark{position:relative;width:30px;height:30px;flex:none;border-radius:8px;background:var(--fb-brand);display:inline-block}
.fb-logo__arc{position:absolute;left:5px;top:7px;width:16px;height:16px;border:2px solid var(--fb-accent);border-right-color:transparent;border-bottom-color:transparent;border-radius:50%;transform:rotate(-30deg)}
.fb-logo__block{position:absolute;right:6px;bottom:6px;width:8px;height:8px;background:var(--fb-accent);border-radius:1.5px}
.fb-logo__text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--fb-text)}
.fb-nav{display:flex;align-items:stretch;gap:30px;flex:1 1 auto;justify-content:center}
.fb-nav__link{position:relative;display:inline-flex;align-items:center;height:72px;font-size:15px;color:var(--fb-text-2)}
.fb-nav__link::after{content:"";position:absolute;left:0;right:0;bottom:20px;height:2px;background:var(--fb-accent-deep);transform:scaleX(0);transform-origin:left;transition:transform var(--fb-t)}
.fb-nav__link:hover{color:var(--fb-text)}
.fb-nav__link:hover::after,.fb-nav__link.is-active::after{transform:scaleX(1)}
.fb-nav__link.is-active{color:var(--fb-text);font-weight:700}
.fb-header__actions{display:flex;align-items:center;gap:12px;flex:none}
.fb-mega-trigger{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--fb-text-2);padding:8px 4px;transition:color var(--fb-t)}
.fb-mega-trigger:hover{color:var(--fb-text)}
.fb-mega-trigger svg{width:12px;height:12px;transition:transform var(--fb-t)}
.fb-mega-trigger.is-open svg{transform:rotate(180deg)}
.fb-burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:var(--fb-r-btn);border:1px solid var(--fb-border);background:#fff}
.fb-burger span{display:block;width:18px;height:2px;background:var(--fb-text);position:relative}
.fb-burger span::before,.fb-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--fb-text)}
.fb-burger span::before{top:-6px}
.fb-burger span::after{top:6px}

/* Mega 面板 */
.fb-mega{position:absolute;top:72px;right:max(24px,calc((100% - 1248px)/2));width:860px;max-width:calc(100% - 48px);background:#fff;border:1px solid var(--fb-border);border-radius:var(--fb-r-card);box-shadow:var(--fb-sh-2);padding:28px;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity var(--fb-t),transform var(--fb-t),visibility var(--fb-t)}
.fb-mega.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.fb-mega__inner{display:grid;grid-template-columns:1fr 1fr 260px;gap:28px}
.fb-mega__title{font-size:11px;letter-spacing:.14em;color:var(--fb-text-3);font-weight:700;margin-bottom:14px}
.fb-mega__list li+li{margin-top:2px}
.fb-mega__list a{display:flex;align-items:center;gap:10px;padding:8px 0;font-size:14px;color:var(--fb-text-2);border-bottom:1px solid var(--fb-divider)}
.fb-mega__list a:hover{color:var(--fb-text)}
.fb-mega__list .fb-num{font-size:12px;font-weight:800;color:var(--fb-text-3);transition:color var(--fb-t),transform var(--fb-t)}
.fb-mega__list a:hover .fb-num{color:var(--fb-accent-deep);transform:translateX(2px)}
.fb-mega__feed li{padding:9px 0;border-bottom:1px solid var(--fb-divider)}
.fb-mega__feed a{font-size:14px;font-weight:600;color:var(--fb-text);display:block;line-height:1.5}
.fb-mega__feed a:hover{color:var(--fb-accent-deep)}
.fb-mega__feed time{font-size:12px;color:var(--fb-text-3);display:block;margin-top:2px}
.fb-mega__card{border:1px solid var(--fb-border);border-radius:var(--fb-r-card);overflow:hidden;background:var(--fb-bg)}
.fb-mega__card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.fb-mega__card-body{padding:14px}
.fb-mega__card-body h3{font-size:15px;font-weight:700;line-height:1.45;margin:8px 0 10px}
.fb-mega__card-body a{font-size:13px;font-weight:600;color:var(--fb-accent-deep)}

/* 移动抽屉 */
.fb-drawer{position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);background:#fff;z-index:120;transform:translateX(100%);transition:transform 240ms cubic-bezier(.2,.7,.2,1);overflow-y:auto;padding:20px;box-shadow:var(--fb-sh-2)}
.fb-drawer.is-open{transform:translateX(0)}
.fb-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.fb-drawer__close{width:44px;height:44px;border:1px solid var(--fb-border);border-radius:var(--fb-r-btn);font-size:20px;line-height:1;color:var(--fb-text-2)}
.fb-drawer__group{font-size:11px;letter-spacing:.14em;color:var(--fb-text-3);font-weight:700;margin:18px 0 8px}
.fb-drawer__link{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;border-radius:var(--fb-r-btn);font-size:15px;color:var(--fb-text-2);border:1px solid transparent}
.fb-drawer__link+.fb-drawer__link{margin-top:6px}
.fb-drawer__link.is-active{background:var(--fb-mist);color:var(--fb-text);font-weight:700;border-color:var(--fb-border)}
.fb-mask{position:fixed;inset:0;background:rgba(14,21,18,.52);z-index:110;opacity:0;visibility:hidden;transition:opacity var(--fb-t),visibility var(--fb-t)}
.fb-mask.is-open{opacity:1;visibility:visible}

/* ============ Hero ============ */
.fb-hero{position:relative;background:var(--fb-brand);color:var(--fb-on-dark);overflow:hidden}
.fb-hero__bg{position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(14,21,18,.94) 0%,rgba(14,21,18,.82) 46%,rgba(14,21,18,.62) 100%),url("/assets/images/backpic/back-1.webp");background-size:cover;background-position:center;opacity:.9}
.fb-hero__inner{position:relative;padding:112px 0 96px}
.fb-hero__tag{display:inline-flex;align-items:center;gap:8px;font-size:11px;letter-spacing:.14em;font-weight:700;color:var(--fb-accent);border:1px solid rgba(196,240,66,.32);border-radius:var(--fb-r-tag);padding:6px 12px;margin-bottom:26px}
.fb-hero h1{font-size:60px;line-height:1.06;font-weight:800;letter-spacing:-.01em;color:#FAFCF6;max-width:640px}
.fb-hero h1 em{font-style:normal;color:var(--fb-accent);display:block}
.fb-hero__lead{margin-top:22px;font-size:17px;line-height:1.8;color:#C8D0C9;max-width:520px}
.fb-hero__btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.fb-hero__stats{display:flex;flex-wrap:wrap;gap:48px;margin-top:56px;padding-top:32px;border-top:1px solid rgba(242,245,239,.16)}
.fb-hero__stat b{display:block;font-size:30px;font-weight:800;color:#FAFCF6;line-height:1.2}
.fb-hero__stat span{font-size:13px;color:var(--fb-on-dark-2);letter-spacing:.04em}
.fb-hero__figure{position:relative;border-radius:var(--fb-r-card);overflow:hidden;border:1px solid rgba(242,245,239,.14)}
.fb-hero__figure img{width:100%;aspect-ratio:4/5;object-fit:cover}
.fb-hero__figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:12px;color:#E5EAE2;background:linear-gradient(180deg,rgba(14,21,18,0),rgba(14,21,18,.86))}

/* ============ 合集目录 ============ */
.fb-dir{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px;border-top:1px solid var(--fb-divider)}
.fb-dir__item{border-bottom:1px solid var(--fb-divider)}
.fb-dir__item a{display:flex;align-items:center;gap:18px;padding:22px 0;transition:transform var(--fb-t)}
.fb-dir__item a:hover{transform:translateX(4px)}
.fb-dir__num{font-size:14px;font-weight:800;color:var(--fb-text-3);flex:none;width:28px;transition:color var(--fb-t)}
.fb-dir__item a:hover .fb-dir__num{color:var(--fb-accent-deep)}
.fb-dir__main{flex:1 1 auto;min-width:0}
.fb-dir__title{display:block;font-size:17px;font-weight:700;color:var(--fb-text);line-height:1.5}
.fb-dir__cat{display:block;font-size:12px;color:var(--fb-text-3);letter-spacing:.06em;margin-top:2px}
.fb-dir__arrow{flex:none;font-size:16px;color:var(--fb-text-3);transition:color var(--fb-t),transform var(--fb-t)}
.fb-dir__item a:hover .fb-dir__arrow{color:var(--fb-accent-deep);transform:translateX(4px)}

/* ============ 卡片通用 ============ */
.fb-card{display:flex;flex-direction:column;background:var(--fb-card);border:1px solid var(--fb-border);border-radius:var(--fb-r-card);overflow:hidden;box-shadow:var(--fb-sh-1);transition:border-color var(--fb-t),transform var(--fb-t),box-shadow var(--fb-t);height:100%}
.fb-card:hover{border-color:var(--fb-accent);transform:translateY(-4px);box-shadow:var(--fb-sh-2)}
.fb-card__img{overflow:hidden;background:var(--fb-mist)}
.fb-card__img img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 200ms cubic-bezier(.2,.7,.2,1)}
.fb-card:hover .fb-card__img img{transform:scale(1.03)}
.fb-card__body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.fb-card__title{font-size:19px;line-height:1.45;font-weight:700;color:var(--fb-text);position:relative;display:inline-block}
.fb-card:hover .fb-card__title{color:var(--fb-accent-deep)}
.fb-card__title::after{content:"";position:absolute;left:0;bottom:-3px;width:100%;height:2px;background:var(--fb-accent);transform:scaleX(0);transform-origin:left;transition:transform var(--fb-t)}
.fb-card:hover .fb-card__title::after{transform:scaleX(1)}
.fb-card__desc{font-size:14px;line-height:1.75;color:var(--fb-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.fb-card__meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--fb-divider);display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--fb-text-3);letter-spacing:.04em}
.fb-card__meta .fb-arrow{font-size:14px;transition:transform var(--fb-t),color var(--fb-t)}
.fb-card:hover .fb-card__meta .fb-arrow{transform:translateX(4px);color:var(--fb-accent-deep)}
.fb-card--wide{flex-direction:row;align-items:stretch}
.fb-card--wide .fb-card__img{flex:0 0 50%;max-width:50%}
.fb-card--wide .fb-card__img img{height:100%;aspect-ratio:auto;min-height:300px}
.fb-card--wide .fb-card__body{flex:1 1 50%;padding:38px;gap:16px;justify-content:center}
.fb-card--wide .fb-card__title{font-size:27px;line-height:1.35}
.fb-card--wide .fb-card__desc{-webkit-line-clamp:3;font-size:15px}
.fb-card--mini .fb-card__body{padding:18px;gap:10px}
.fb-card--mini .fb-card__title{font-size:16px}
.fb-card--mini .fb-card__desc{font-size:13px;-webkit-line-clamp:2}
.fb-card--mini .fb-card__img img{aspect-ratio:16/9}
.fb-stack{display:grid;gap:24px}
.fb-stack--mid{grid-template-columns:repeat(2,minmax(0,1fr))}
.fb-stack--mini{grid-template-columns:repeat(3,minmax(0,1fr))}
.fb-lead-block{margin-bottom:24px}

/* ============ 最新信息 ============ */
.fb-empty{border:1.5px dashed var(--fb-border);border-radius:var(--fb-r-card);padding:64px 24px;text-align:center;background:#fff}
.fb-empty p{font-size:15px;color:var(--fb-text-2);margin-bottom:12px}
.fb-empty a{font-size:15px;font-weight:700;color:var(--fb-accent-deep);border-bottom:1px solid var(--fb-accent-deep);padding-bottom:2px}

/* ============ 相关推荐（深色图文卡） ============ */
.fb-reco{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.fb-reco__card{position:relative;border-radius:var(--fb-r-card);overflow:hidden;border:1px solid var(--fb-border);background:var(--fb-brand);display:block;transition:transform var(--fb-t),box-shadow var(--fb-t)}
.fb-reco__card:hover{transform:translateY(-4px);box-shadow:var(--fb-sh-2)}
.fb-reco__card img{width:100%;aspect-ratio:4/3;object-fit:cover;opacity:.55;transition:opacity var(--fb-t),transform 200ms cubic-bezier(.2,.7,.2,1)}
.fb-reco__card:hover img{opacity:.72;transform:scale(1.03)}
.fb-reco__body{position:absolute;inset:auto 0 0 0;padding:24px}
.fb-reco__body h3{font-size:19px;font-weight:700;color:#FAFCF6;line-height:1.45;margin-top:10px}
.fb-reco__body p{font-size:13px;color:#B9C2BA;margin-top:8px}
.fb-reco__card .fb-badge{background:rgba(196,240,66,.16);color:var(--fb-accent)}

/* ============ CTA 条 ============ */
.fb-cta{background:var(--fb-brand);color:#F2F5EF;border-radius:var(--fb-r-card);padding:48px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.fb-cta h2{font-size:30px;font-weight:800;line-height:1.3;letter-spacing:-.01em;color:#FAFCF6}
.fb-cta p{font-size:14px;color:var(--fb-on-dark-2);margin-top:10px;max-width:480px}
.fb-cta__btns{display:flex;gap:12px;flex-wrap:wrap}

/* ============ FAQ ============ */
.fb-faq__list{background:#fff;border:1px solid var(--fb-border);border-radius:var(--fb-r-card);overflow:hidden}
.fb-faq details{border-bottom:1px solid var(--fb-divider)}
.fb-faq details:last-child{border-bottom:0}
.fb-faq summary{position:relative;list-style:none;cursor:pointer;padding:22px 56px 22px 24px;font-size:16px;font-weight:700;color:var(--fb-text);transition:color var(--fb-t)}
.fb-faq summary::-webkit-details-marker{display:none}
.fb-faq summary::after{content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);font-size:22px;font-weight:400;color:var(--fb-text-3);transition:transform 200ms cubic-bezier(.2,.7,.2,1),color var(--fb-t)}
.fb-faq details[open] summary::after{content:"−";color:var(--fb-accent-deep)}
.fb-faq summary:hover{color:var(--fb-accent-deep)}
.fb-faq .fb-faq__a{padding:0 56px 24px 24px;font-size:15px;line-height:1.85;color:var(--fb-text-2);animation:fbFade 200ms cubic-bezier(.2,.7,.2,1)}
@keyframes fbFade{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

/* ============ 页脚 ============ */
.fb-footer{background:var(--fb-brand);color:#C3CBC4;padding:72px 0 0;margin-top:0}
.fb-sub{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;padding-bottom:40px;border-bottom:1px solid rgba(242,245,239,.14)}
.fb-sub h2{font-size:22px;font-weight:800;color:#FAFCF6;line-height:1.4}
.fb-sub p{font-size:14px;color:var(--fb-on-dark-2);margin-top:8px}
.fb-sub__form{display:flex;gap:10px;flex-wrap:wrap}
.fb-sub__form input{min-height:48px;min-width:260px;padding:0 16px;border-radius:var(--fb-r-btn);border:1px solid rgba(242,245,239,.22);background:rgba(255,255,255,.06);color:#F2F5EF;font-size:15px;transition:border-color var(--fb-t),background-color var(--fb-t)}
.fb-sub__form input::placeholder{color:#7E8880}
.fb-sub__form input:focus{border-color:var(--fb-accent);background:rgba(255,255,255,.1);outline:2px solid rgba(196,240,66,.35);outline-offset:2px}
.fb-sub__form input:disabled{opacity:.5;cursor:not-allowed}
.fb-sub__form input.is-error{border-color:var(--fb-warm)}
.fb-sub__err{width:100%;font-size:13px;color:#F0A88B;display:none}
.fb-sub__err.is-show{display:block}
.fb-footer__cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:0 32px;padding:48px 0}
.fb-footer__col{padding-right:32px;border-right:1px solid rgba(242,245,239,.1)}
.fb-footer__col:last-child{border-right:0;padding-right:0}
.fb-footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.fb-footer__brand .fb-logo__mark{background:rgba(255,255,255,.08)}
.fb-footer__brand span{font-size:17px;font-weight:800;color:#FAFCF6}
.fb-footer__col p{font-size:13.5px;line-height:1.85;color:#98A29C}
.fb-footer__h{font-size:11px;letter-spacing:.14em;font-weight:700;color:#8A928E;margin-bottom:16px}
.fb-footer__link{display:block;font-size:14px;color:#C3CBC4;padding:6px 0;transition:color var(--fb-t),transform var(--fb-t)}
.fb-footer__link:hover{color:var(--fb-accent);transform:translateX(2px)}
.fb-footer__bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:22px 0;border-top:1px solid rgba(242,245,239,.14);font-size:13px;color:#8A928E}
.fb-footer__bottom a{color:#A8B2AB}
.fb-footer__bottom a:hover{color:var(--fb-accent)}

/* ============ 进场动效 ============ */
.fb-reveal{opacity:0;transform:translateY(12px);transition:opacity 420ms cubic-bezier(.2,.7,.2,1),transform 420ms cubic-bezier(.2,.7,.2,1)}
.fb-reveal.is-in{opacity:1;transform:translateY(0)}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .fb-nav,.fb-mega-trigger,.fb-header__actions .fb-btn{display:none}
  .fb-burger{display:inline-flex}
  .fb-mega{display:none}
  .fb-hero h1{font-size:42px}
  .fb-hero__inner{padding:80px 0 72px}
  .fb-h2{font-size:30px}
  .fb-sec{padding:72px 0}
  .fb-stack--mid,.fb-stack--mini{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fb-reco{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fb-footer__cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .fb-footer__col{border-right:0;padding-right:0}
  .fb-card--wide{flex-direction:column}
  .fb-card--wide .fb-card__img{max-width:100%;flex:0 0 auto}
  .fb-card--wide .fb-card__img img{aspect-ratio:16/9;min-height:0}
  .fb-card--wide .fb-card__body{padding:28px}
}
@media screen and (max-width:768px){
  .fb-container{padding:0 20px}
  .fb-hero h1{font-size:36px}
  .fb-hero__lead{font-size:16px}
  .fb-hero__stats{gap:28px;margin-top:40px}
  .fb-hero__stat b{font-size:24px}
  .fb-dir{grid-template-columns:1fr;gap:0}
  .fb-stack--mid,.fb-stack--mini,.fb-reco{grid-template-columns:1fr}
  .fb-cta{padding:32px 24px;flex-direction:column;align-items:flex-start}
  .fb-cta h2{font-size:23px}
  .fb-faq summary{padding:18px 48px 18px 18px;font-size:15px}
  .fb-faq .fb-faq__a{padding:0 48px 20px 18px}
  .fb-sub__form input{min-width:0;width:100%}
  .fb-sub__form{width:100%}
  .fb-sub__form .fb-btn{width:100%}
  .fb-footer__cols{grid-template-columns:1fr;gap:28px}
  .fb-footer__bottom{justify-content:flex-start}
}
@media screen and (max-width:520px){
  .fb-hero h1{font-size:32px}
  .fb-hero__inner{padding:64px 0 56px}
  .fb-h2{font-size:26px}
  .fb-sec{padding:56px 0;}
  .fb-sec-head{margin-bottom:32px}
  .fb-card--wide .fb-card__body{padding:20px}
  .fb-card--wide .fb-card__title{font-size:21px}
  .fb-cta__btns{width:100%}
  .fb-cta__btns .fb-btn{width:100%}
}

/* roulang page: article */
:root{
  --fb-ink:#0E1512;
  --fb-lime:#C4F042;
  --fb-lime-deep:#4E6B14;
  --fb-lime-soft:#EDF7D6;
  --fb-orange:#E8642C;
  --fb-paper:#FAFAF7;
  --fb-mist:#F1F2ED;
  --fb-white:#FFFFFF;
  --fb-text:#101615;
  --fb-text-2:#5C6663;
  --fb-text-3:#8A928E;
  --fb-border:#E2E4DC;
  --fb-line:#EDEEE8;
  --fb-r-tag:4px;
  --fb-r-btn:6px;
  --fb-r-card:12px;
  --fb-sh-1:0 1px 2px rgba(14,21,18,.04), 0 8px 24px -12px rgba(14,21,18,.10);
  --fb-sh-2:0 2px 4px rgba(14,21,18,.06), 0 20px 40px -20px rgba(14,21,18,.18);
  --fb-ease:cubic-bezier(.2,.7,.2,1);
  --fb-t:180ms cubic-bezier(.2,.7,.2,1);
  --fb-max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--fb-paper);
  color:var(--fb-text);
  font-family:"Inter","Helvetica Neue","Noto Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--fb-r-card);}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--fb-lime-deep);}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.2;color:var(--fb-text);}
:focus-visible{outline:2px solid rgba(196,240,66,.9);outline-offset:2px;}
.fb-container{width:100%;max-width:var(--fb-max);margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.fb-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,250,247,.96);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--fb-border);
}
.fb-header__inner{display:flex;align-items:center;gap:24px;height:72px;}
.fb-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.fb-logo__mark{position:relative;width:30px;height:30px;display:inline-block;flex:0 0 auto;}
.fb-logo__arc{
  position:absolute;inset:2px 2px 8px 2px;
  border:2.5px solid var(--fb-ink);
  border-right-color:transparent;border-bottom-color:transparent;
  border-radius:50%;
  transform:rotate(-38deg);
}
.fb-logo__block{
  position:absolute;right:3px;bottom:3px;width:10px;height:10px;
  background:var(--fb-orange);border-radius:2px;
}
.fb-logo__text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.fb-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
.fb-nav__link{
  position:relative;padding:10px 14px;font-size:15px;color:var(--fb-text-2);
  border-radius:var(--fb-r-btn);transition:color var(--fb-t),background var(--fb-t);
  white-space:nowrap;
}
.fb-nav__link:hover{color:var(--fb-ink);background:var(--fb-mist);}
.fb-nav__link.is-active{color:var(--fb-ink);font-weight:700;}
.fb-nav__link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--fb-lime-deep);border-radius:2px;
}
.fb-header__actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.fb-mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 14px;font-size:14px;font-weight:600;color:var(--fb-ink);
  border:1px solid var(--fb-border);border-radius:var(--fb-r-btn);
  background:var(--fb-white);transition:border-color var(--fb-t),color var(--fb-t),background var(--fb-t);
}
.fb-mega-trigger svg{width:12px;height:12px;transition:transform var(--fb-t);}
.fb-mega-trigger:hover{border-color:var(--fb-lime-deep);}
.fb-mega-trigger[aria-expanded="true"] svg{transform:rotate(180deg);}
.fb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;font-size:15px;font-weight:600;
  border-radius:var(--fb-r-btn);border:1.5px solid transparent;
  transition:background var(--fb-t),color var(--fb-t),border-color var(--fb-t),transform var(--fb-t),box-shadow var(--fb-t);
}
.fb-btn--sm{min-height:40px;padding:0 16px;font-size:14px;}
.fb-btn--dark{background:var(--fb-ink);color:#fff;}
.fb-btn--dark:hover{background:var(--fb-lime);color:var(--fb-ink);transform:translateY(-1px);}
.fb-btn--ghost{background:transparent;color:var(--fb-ink);border-color:var(--fb-ink);}
.fb-btn--ghost:hover{border-color:var(--fb-lime-deep);color:var(--fb-lime-deep);transform:translateY(-1px);}
.fb-btn--line{background:var(--fb-white);border-color:var(--fb-border);color:var(--fb-text-2);}
.fb-btn--line:hover{border-color:var(--fb-lime-deep);color:var(--fb-lime-deep);}
.fb-btn--line.is-saved{background:var(--fb-lime-soft);border-color:var(--fb-lime-deep);color:var(--fb-lime-deep);}
.fb-burger{display:none;width:44px;height:44px;border:1px solid var(--fb-border);border-radius:var(--fb-r-btn);background:var(--fb-white);position:relative;}
.fb-burger span,.fb-burger span::before,.fb-burger span::after{
  position:absolute;left:12px;width:20px;height:2px;background:var(--fb-ink);border-radius:2px;content:"";
}
.fb-burger span{top:21px;}
.fb-burger span::before{top:-6px;left:0;}
.fb-burger span::after{top:6px;left:0;}
.fb-mega{
  position:absolute;top:100%;right:24px;width:820px;max-width:calc(100vw - 48px);
  background:var(--fb-white);border:1px solid var(--fb-border);border-radius:var(--fb-r-card);
  box-shadow:var(--fb-sh-2);padding:28px;opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity var(--fb-t),transform var(--fb-t),visibility var(--fb-t);
}
.fb-mega.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.fb-mega__inner{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:32px;}
.fb-mega__title{font-size:11px;letter-spacing:.14em;color:var(--fb-text-3);margin-bottom:14px;font-weight:700;}
.fb-mega__list li+li,.fb-mega__feed li+li{margin-top:10px;}
.fb-mega__list a{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--fb-text);transition:color var(--fb-t),transform var(--fb-t);}
.fb-mega__list a:hover{color:var(--fb-lime-deep);transform:translateX(4px);}
.fb-num{font-weight:800;font-size:12px;color:var(--fb-text-3);font-variant-numeric:tabular-nums;}
.fb-mega__list a:hover .fb-num{color:var(--fb-orange);}
.fb-mega__feed a{display:block;font-size:14.5px;line-height:1.5;color:var(--fb-text);}
.fb-mega__feed time{display:block;font-size:12px;color:var(--fb-text-3);margin-top:2px;}
.fb-mega__card{display:block;border:1px solid var(--fb-border);border-radius:var(--fb-r-card);overflow:hidden;background:var(--fb-white);box-shadow:var(--fb-sh-1);transition:transform var(--fb-t),box-shadow var(--fb-t),border-color var(--fb-t);}
.fb-mega__card:hover{transform:translateY(-4px);box-shadow:var(--fb-sh-2);border-color:var(--fb-lime-deep);}
.fb-mega__card img{aspect-ratio:4/3;object-fit:cover;border-radius:0;}
.fb-mega__card-body{padding:14px 16px 18px;}
.fb-mega__card-body h4{font-size:15.5px;line-height:1.45;margin-top:8px;}

/* ---------- badges ---------- */
.fb-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--fb-r-tag);
  background:var(--fb-lime-soft);color:var(--fb-lime-deep);
  font-size:11px;font-weight:700;letter-spacing:.08em;
}
.fb-badge::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--fb-orange);}
.fb-badge--line{background:transparent;border:1px solid var(--fb-border);color:var(--fb-text-2);}
.fb-badge--line::before{background:var(--fb-text-3);}

/* ---------- breadcrumb ---------- */
.fb-crumb-bar{background:var(--fb-mist);border-bottom:1px solid var(--fb-border);}
.fb-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--fb-text-3);}
.fb-crumb a{color:var(--fb-text-2);transition:color var(--fb-t);}
.fb-crumb a:hover{color:var(--fb-lime-deep);}
.fb-crumb__sep{color:var(--fb-text-3);}
.fb-crumb__now{color:var(--fb-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:min(560px,60vw);}

/* ---------- article head ---------- */
.fb-article-head{padding:64px 0 40px;border-bottom:1px solid var(--fb-line);}
.fb-article-head__inner{max-width:790px;}
.fb-article-head h1{font-size:clamp(32px,4.6vw,54px);line-height:1.1;margin:18px 0 20px;}
.fb-meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:16px;color:var(--fb-text-2);font-size:14px;}
.fb-meta-row__item{display:inline-flex;align-items:center;gap:8px;}
.fb-meta-row__dot{width:4px;height:4px;border-radius:50%;background:var(--fb-text-3);}
.fb-share{display:flex;flex-wrap:wrap;gap:8px;}
.fb-share button{
  display:inline-flex;align-items:center;gap:6px;min-height:38px;padding:0 14px;
  font-size:13px;font-weight:600;color:var(--fb-text-2);
  border:1px solid var(--fb-border);border-radius:var(--fb-r-btn);background:var(--fb-white);
  transition:border-color var(--fb-t),color var(--fb-t),background var(--fb-t),transform var(--fb-t);
}
.fb-share button:hover{border-color:var(--fb-lime-deep);color:var(--fb-lime-deep);transform:translateY(-1px);}
.fb-share button.is-saved{background:var(--fb-lime-soft);border-color:var(--fb-lime-deep);color:var(--fb-lime-deep);}

/* ---------- article body ---------- */
.fb-article-wrap{padding:72px 0 96px;}
.fb-article{max-width:750px;margin:0 auto;font-size:17px;line-height:1.9;color:#1B2320;}
.fb-article > p:first-of-type{font-size:19px;line-height:1.8;color:var(--fb-text);}
.fb-article p{margin:0 0 1.2em;}
.fb-article h2{
  font-size:clamp(24px,2.6vw,34px);line-height:1.25;margin:2.2em 0 .8em;
  padding-left:16px;border-left:4px solid var(--fb-lime);
}
.fb-article h3{font-size:22px;margin:1.8em 0 .6em;}
.fb-article ul,.fb-article ol{margin:0 0 1.4em;padding-left:0;}
.fb-article ul li,.fb-article ol li{position:relative;padding-left:24px;margin-bottom:.55em;}
.fb-article ul li::before{
  content:"";position:absolute;left:4px;top:.75em;width:7px;height:7px;
  background:var(--fb-lime-deep);border-radius:2px;
}
.fb-article ol{counter-reset:fb-ol;}
.fb-article ol li{counter-increment:fb-ol;}
.fb-article ol li::before{
  content:counter(fb-ol,decimal-leading-zero);
  position:absolute;left:0;top:0;font-size:12px;font-weight:800;
  color:var(--fb-text-3);font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.fb-article blockquote{
  margin:0 0 1.6em;padding:18px 22px;background:var(--fb-mist);
  border-left:3px solid var(--fb-lime-deep);border-radius:0 var(--fb-r-card) var(--fb-r-card) 0;
  color:var(--fb-text-2);font-size:16px;
}
.fb-article blockquote p:last-child{margin-bottom:0;}
.fb-article img{border-radius:var(--fb-r-card);margin:1.6em 0 .6em;box-shadow:var(--fb-sh-1);}
.fb-article figure{margin:1.8em 0;}
.fb-article figcaption{font-size:13px;color:var(--fb-text-3);text-align:center;margin-top:10px;}
.fb-article table{width:100%;border-collapse:collapse;margin:0 0 1.6em;font-size:15px;}
.fb-article th,.fb-article td{border-bottom:1px solid var(--fb-line);padding:12px 14px;text-align:left;vertical-align:top;}
.fb-article th{font-weight:700;color:var(--fb-text);border-bottom-color:var(--fb-border);}
.fb-article a{color:var(--fb-lime-deep);border-bottom:1px solid rgba(78,107,20,.35);transition:border-color var(--fb-t);}
.fb-article a:hover{border-bottom-color:var(--fb-lime-deep);}
.fb-article hr{border:0;border-top:1px solid var(--fb-line);margin:2.4em 0;}
.fb-article .fb-note{
  margin:0 0 1.6em;padding:18px 22px;background:var(--fb-lime-soft);
  border-radius:var(--fb-r-card);color:#2C3A10;font-size:15.5px;line-height:1.8;
}
.fb-empty{
  max-width:750px;margin:0 auto;padding:64px 32px;text-align:center;
  border:1px dashed var(--fb-border);border-radius:var(--fb-r-card);background:var(--fb-white);
}
.fb-empty p{font-size:17px;color:var(--fb-text-2);margin-bottom:20px;}
.fb-backlink{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--fb-lime-deep);}
.fb-backlink:hover{transform:translateX(4px);}
.fb-backlink{transition:transform var(--fb-t);}

/* ---------- section title ---------- */
.fb-sec-title{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;}
.fb-sec-title h2{font-size:clamp(24px,2.8vw,36px);}
.fb-eyebrow{font-size:11px;letter-spacing:.14em;font-weight:700;color:var(--fb-text-3);margin-bottom:10px;display:block;}

/* ---------- related ---------- */
.fb-related{background:var(--fb-mist);border-top:1px solid var(--fb-border);border-bottom:1px solid var(--fb-border);padding:88px 0;}
.fb-related__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.fb-card{
  display:flex;flex-direction:column;background:var(--fb-white);
  border:1px solid var(--fb-border);border-radius:var(--fb-r-card);
  overflow:hidden;box-shadow:var(--fb-sh-1);
  transition:transform var(--fb-t),box-shadow var(--fb-t),border-color var(--fb-t);
}
.fb-card:hover{transform:translateY(-4px);box-shadow:var(--fb-sh-2);border-color:var(--fb-lime-deep);}
.fb-card img{aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform 200ms var(--fb-ease);}
.fb-card:hover img{transform:scale(1.03);}
.fb-card__body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.fb-card__body h3{font-size:17px;line-height:1.5;}
.fb-card__body p{font-size:14.5px;color:var(--fb-text-2);line-height:1.75;}
.fb-card__foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--fb-text-3);}
.fb-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--fb-lime-deep);transition:transform var(--fb-t);}
.fb-card:hover .fb-arrow{transform:translateX(4px);}
.fb-related__back{margin-top:32px;}

/* ---------- post nav ---------- */
.fb-postnav{padding:72px 0 96px;}
.fb-postnav__grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.fb-postnav__item{
  display:block;padding:24px 26px;background:var(--fb-white);
  border:1px solid var(--fb-border);border-radius:var(--fb-r-card);
  transition:transform var(--fb-t),border-color var(--fb-t),box-shadow var(--fb-t);
}
.fb-postnav__item:hover{transform:translateY(-4px);border-color:var(--fb-lime-deep);box-shadow:var(--fb-sh-1);}
.fb-postnav__label{font-size:11px;letter-spacing:.14em;color:var(--fb-text-3);font-weight:700;display:block;margin-bottom:8px;}
.fb-postnav__item strong{display:block;font-size:17px;line-height:1.5;margin-bottom:6px;}
.fb-postnav__item span{font-size:14px;color:var(--fb-text-2);}

/* ---------- footer ---------- */
.fb-footer{background:var(--fb-ink);color:#D8DDD6;padding:80px 0 0;margin-top:0;}
.fb-sub{
  display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;
  padding-bottom:48px;border-bottom:1px solid rgba(226,228,220,.14);
}
.fb-sub h2{color:#fff;font-size:26px;margin-bottom:10px;}
.fb-sub p{color:#9DA69F;font-size:14.5px;line-height:1.8;}
.fb-sub__form{display:flex;gap:12px;flex-wrap:wrap;position:relative;}
.fb-sub__form input{
  flex:1 1 240px;min-height:48px;padding:0 16px;border-radius:var(--fb-r-btn);
  border:1px solid rgba(226,228,220,.22);background:rgba(255,255,255,.06);color:#fff;
  transition:border-color var(--fb-t),box-shadow var(--fb-t);
}
.fb-sub__form input::placeholder{color:#7E8880;}
.fb-sub__form input:focus{outline:2px solid rgba(196,240,66,.9);outline-offset:2px;border-color:var(--fb-lime);}
.fb-sub__form input.is-error{border-color:var(--fb-orange);}
.fb-sub__form button{min-height:48px;background:var(--fb-lime);color:var(--fb-ink);border-radius:var(--fb-r-btn);padding:0 22px;font-weight:700;transition:background var(--fb-t),transform var(--fb-t),opacity var(--fb-t);}
.fb-sub__form button:hover{background:#D6FF63;transform:translateY(-1px);}
.fb-sub__form button[disabled]{opacity:.5;cursor:not-allowed;transform:none;}
.fb-sub__err{display:none;width:100%;color:#FF9C74;font-size:13px;margin-top:2px;}
.fb-sub__err.is-show{display:block;}
.fb-footer__cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding:56px 0 48px;}
.fb-footer__col{border-right:1px solid rgba(226,228,220,.10);padding-right:24px;}
.fb-footer__col:last-child{border-right:0;padding-right:0;}
.fb-footer__brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px;}
.fb-footer__brand .fb-logo__arc{border-color:#fff;border-right-color:transparent;border-bottom-color:transparent;}
.fb-footer__h{font-size:11px;letter-spacing:.14em;font-weight:700;color:#8A928E;margin-bottom:16px;}
.fb-footer__col p{color:#9DA69F;font-size:14px;line-height:1.8;}
.fb-footer__link{display:block;padding:6px 0;font-size:14.5px;color:#D8DDD6;transition:color var(--fb-t),transform var(--fb-t);}
.fb-footer__link:hover{color:var(--fb-lime);transform:translateX(2px);}
.fb-footer__bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:22px 0;border-top:1px solid rgba(226,228,220,.14);
  font-size:13px;color:#8A928E;
}

/* ---------- responsive ---------- */
@media screen and (max-width:1199px){
  .fb-mega{width:700px;}
  .fb-mega__inner{grid-template-columns:1fr 1fr;}
  .fb-mega__col:last-child{grid-column:1/-1;}
}
@media screen and (max-width:1023px){
  .fb-header__inner{height:60px;gap:12px;}
  .fb-burger{display:block;}
  .fb-mega-trigger{display:none;}
  .fb-nav{
    position:fixed;top:60px;left:0;right:0;bottom:0;flex-direction:column;
    align-items:stretch;gap:0;margin:0;padding:16px 20px 40px;
    background:var(--fb-paper);border-top:1px solid var(--fb-border);
    transform:translateX(100%);transition:transform 220ms var(--fb-ease);overflow-y:auto;z-index:55;
  }
  .fb-header.is-nav-open .fb-nav{transform:translateX(0);}
  .fb-nav__link{padding:16px 4px;font-size:17px;border-bottom:1px solid var(--fb-line);border-radius:0;}
  .fb-nav__link.is-active::after{left:4px;right:auto;width:32px;bottom:8px;}
  .fb-mega{display:none;}
  .fb-article-head{padding:44px 0 32px;}
  .fb-article-wrap{padding:48px 0 64px;}
  .fb-related,.fb-postnav{padding:56px 0;}
  .fb-related__grid{grid-template-columns:1fr 1fr;}
  .fb-sub{grid-template-columns:1fr;gap:24px;}
  .fb-footer__cols{grid-template-columns:1fr 1fr;gap:28px;}
  .fb-footer__col{border-right:0;padding-right:0;}
}
@media screen and (max-width:767px){
  .fb-container{padding:0 20px;}
  .fb-article-head h1{font-size:32px;}
  .fb-article{font-size:16px;line-height:1.9;}
  .fb-article > p:first-of-type{font-size:17px;}
  .fb-related__grid{grid-template-columns:1fr;}
  .fb-postnav__grid{grid-template-columns:1fr;}
  .fb-footer__cols{grid-template-columns:1fr;gap:24px;}
  .fb-footer{padding-top:56px;}
  .fb-footer__bottom{flex-direction:column;}
  .fb-share button{flex:1 1 auto;}
}

/* roulang page: category1 */
:root{
  --fb-ink:#0E1512;
  --fb-lime:#C4F042;
  --fb-lime-deep:#4E6B14;
  --fb-lime-soft:#EDF7D6;
  --fb-orange:#E8642C;
  --fb-bg:#FAFAF7;
  --fb-bg-alt:#F1F2ED;
  --fb-white:#FFFFFF;
  --fb-text:#101615;
  --fb-text-2:#5C6663;
  --fb-text-3:#8A928E;
  --fb-border:#E2E4DC;
  --fb-line:#EDEEE8;
  --fb-r-tag:4px;
  --fb-r-btn:6px;
  --fb-r-card:12px;
  --fb-sh-1:0 1px 2px rgba(14,21,18,.04),0 8px 24px -12px rgba(14,21,18,.10);
  --fb-sh-2:0 2px 4px rgba(14,21,18,.06),0 20px 40px -20px rgba(14,21,18,.18);
  --fb-ease:cubic-bezier(.2,.7,.2,1);
  --fb-t:180ms cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--fb-bg);
  color:var(--fb-text);
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Inter,Arial,sans-serif;
  font-size:16px;
  line-height:1.88;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{font-weight:800;letter-spacing:-.01em;color:var(--fb-text)}
strong{font-weight:700}
:focus-visible{outline:2px solid rgba(196,240,66,.9);outline-offset:2px;border-radius:4px}
.fb-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.fb-header{
  position:sticky;top:0;z-index:120;
  background:rgba(250,250,247,.96);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--fb-border);
}
.fb-header__inner{display:flex;align-items:center;gap:36px;height:72px}
.fb-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--fb-ink)}
.fb-logo__mark{position:relative;width:28px;height:28px;flex:0 0 auto;display:inline-block}
.fb-logo__arc{position:absolute;inset:0;border:2.4px solid var(--fb-ink);border-radius:50%;border-right-color:transparent;border-bottom-color:transparent;transform:rotate(-42deg)}
.fb-logo__block{position:absolute;right:1px;bottom:1px;width:10px;height:10px;background:var(--fb-lime);border:2px solid var(--fb-ink);border-radius:3px}
.fb-nav{display:flex;align-items:center;gap:30px}
.fb-nav__link{position:relative;font-size:15px;font-weight:600;color:var(--fb-text-2);padding:6px 0;transition:color var(--fb-t)}
.fb-nav__link::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--fb-lime);transform:scaleX(0);transform-origin:left;transition:transform var(--fb-t)}
.fb-nav__link:hover{color:var(--fb-ink)}
.fb-nav__link:hover::after{transform:scaleX(1)}
.fb-nav__link.is-active{color:var(--fb-ink)}
.fb-nav__link.is-active::after{transform:scaleX(1);background:var(--fb-ink)}
.fb-header__actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.fb-mega-trigger{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  border:1px solid var(--fb-border);border-radius:var(--fb-r-btn);
  background:var(--fb-white);color:var(--fb-text-2);font-size:14px;font-weight:600;
  transition:border-color var(--fb-t),color var(--fb-t),background var(--fb-t);
}
.fb-mega-trigger:hover{border-color:var(--fb-lime-deep);color:var(--fb-ink)}
.fb-mega-trigger svg{width:12px;height:12px;transition:transform var(--fb-t)}
.fb-mega-trigger[aria-expanded="true"] svg{transform:rotate(180deg)}
.fb-burger{display:none;width:44px;height:44px;border:1px solid var(--fb-border);border-radius:var(--fb-r-btn);background:var(--fb-white);position:relative}
.fb-burger span{position:absolute;left:12px;right:12px;top:50%;height:2px;background:var(--fb-ink);transform:translateY(-50%)}
.fb-burger span::before,.fb-burger span::after{content:"";position:absolute;left:0;right:0;height:2px;background:var(--fb-ink)}
.fb-burger span::before{top:-6px}
.fb-burger span::after{top:6px}
.fb-burger.is-open span{background:transparent}
.fb-burger.is-open span::before{top:0;transform:rotate(45deg)}
.fb-burger.is-open span::after{top:0;transform:rotate(-45deg)}

/* ---------- mega ---------- */
.fb-mega{
  position:absolute;top:calc(100% + 8px);right:24px;width:840px;max-width:calc(100vw - 48px);
  background:var(--fb-white);border:1px solid var(--fb-border);border-radius:var(--fb-r-card);
  box-shadow:var(--fb-sh-2);padding:28px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity var(--fb-t),transform var(--fb-t),visibility var(--fb-t);
}
.fb-mega.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.fb-mega__inner{display:grid;grid-template-columns:1.1fr 1.1fr .95fr;gap:32px}
.fb-mega__title{font-size:11px;letter-spacing:.14em;font-weight:700;color:var(--fb-text-3);margin-bottom:14px;text-transform:uppercase}
.fb-mega__list li + li{margin-top:2px}
.fb-mega__list a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:var(--fb-r-btn);font-size:14.5px;font-weight:600;color:var(--fb-text);transition:background var(--fb-t),color var(--fb-t)}
.fb-mega__list a:hover{background:var(--fb-bg-alt);color:var(--fb-lime-deep)}
.fb-num{font-weight:800;font-size:12px;color:var(--fb-text-3);font-variant-numeric:tabular-nums;min-width:20px}
.fb-mega__feed li{padding:10px 0;border-bottom:1px solid var(--fb-line)}
.fb-mega__feed li:last-child{border-bottom:0}
.fb-mega__feed a{font-size:14.5px;font-weight:600;line-height:1.55;display:block;transition:color var(--fb-t)}
.fb-mega__feed a:hover{color:var(--fb-lime-deep)}
.fb-mega__feed time{display:block;font-size:12px;color:var(--fb-text-3);margin-top:4px}
.fb-mega__card{display:block;border:1px solid var(--fb-border);border-radius:var(--fb-r-card);overflow:hidden;transition:border-color var(--fb-t),transform var(--fb-t)}
.fb-mega__card:hover{border-color:var(--fb-lime);transform:translateY(-4px)}
.fb-mega__card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.fb-mega__card .fb-badge{margin:12px 14px 0}
.fb-mega__card h3{font-size:15px;padding:6px 14px 0;line-height:1.5}
.fb-mega__more{display:block;padding:8px 14px 16px;font-size:13px;font-weight:700;color:var(--fb-lime-deep)}

/* ---------- buttons / badges ---------- */
.fb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--fb-r-btn);
  border:1.5px solid transparent;font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:background var(--fb-t),color var(--fb-t),border-color var(--fb-t),transform var(--fb-t),box-shadow var(--fb-t);
}
.fb-btn--dark{background:var(--fb-ink);color:#fff;box-shadow:var(--fb-sh-1)}
.fb-btn--dark:hover{background:var(--fb-lime);color:var(--fb-ink);transform:translateY(-1px);box-shadow:var(--fb-sh-2)}
.fb-btn--dark:active{transform:translateY(0);background:#B4E02F;box-shadow:none}
.fb-btn--ghost{background:transparent;border-color:var(--fb-ink);color:var(--fb-ink)}
.fb-btn--ghost:hover{border-color:var(--fb-lime-deep);color:var(--fb-lime-deep);transform:translateY(-1px)}
.fb-btn--ghost:active{transform:translateY(0);background:var(--fb-bg-alt)}
.fb-btn--onDark{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.fb-btn--onDark:hover{border-color:var(--fb-lime);color:var(--fb-lime);transform:translateY(-1px)}
.fb-btn--onDark:active{transform:translateY(0)}
.fb-btn--sm{min-height:38px;padding:0 16px;font-size:14px}
.fb-btn.is-saved{background:var(--fb-lime);border-color:var(--fb-lime);color:var(--fb-ink);box-shadow:none}
.fb-btn[disabled]{opacity:.55;cursor:not-allowed;transform:none}
.fb-badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:3px 10px;border-radius:var(--fb-r-tag);
  background:var(--fb-lime-soft);color:var(--fb-lime-deep);
  font-size:12px;font-weight:700;letter-spacing:.04em;line-height:1.8;
}
.fb-badge::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--fb-orange);flex:0 0 auto}
.fb-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--fb-lime)}
.fb-eyebrow::before{content:"";width:22px;height:1px;background:var(--fb-lime)}

/* ---------- category hero ---------- */
.fb-cat-hero{position:relative;background:var(--fb-ink);color:#fff;overflow:hidden}
.fb-cat-hero__bg{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(14,21,18,.80),rgba(14,21,18,.90)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.fb-cat-hero__inner{position:relative;padding:84px 24px 0;max-width:1200px;margin:0 auto}
.fb-cat-hero__top{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:48px;align-items:end;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.16)}
.fb-cat-hero h1{
  color:#fff;font-size:clamp(30px,4.6vw,58px);line-height:1.08;letter-spacing:-.01em;
  font-weight:800;margin-top:20px;max-width:16em;
}
.fb-cat-hero__sub{margin-top:18px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.76);max-width:44em}
.fb-cat-hero__side{display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.fb-cat-hero__side span{
  font-size:12px;font-weight:700;letter-spacing:.1em;color:rgba(255,255,255,.72);
  border:1px solid rgba(255,255,255,.22);border-radius:var(--fb-r-tag);padding:4px 10px;white-space:nowrap;
}
.fb-cat-meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding:28px 0 40px}
.fb-cat-meta li{display:flex;flex-direction:column;gap:4px}
.fb-cat-meta span{font-size:11px;letter-spacing:.14em;font-weight:700;color:rgba(255,255,255,.55);text-transform:uppercase}
.fb-cat-meta strong{font-size:22px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.01em}

/* ---------- sections ---------- */
.fb-section{padding:100px 0}
.fb-section--alt{background:var(--fb-bg-alt)}
.fb-sec-head{max-width:760px;margin-bottom:48px}
.fb-sec-head h2{font-size:clamp(24px,2.8vw,38px);line-height:1.2;font-weight:800;margin-bottom:14px}
.fb-sec-head p{font-size:15px;line-height:1.7;color:var(--fb-text-2)}
.fb-sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
.fb-more-link{font-size:14px;font-weight:700;color:var(--fb-lime-deep);white-space:nowrap;transition:transform var(--fb-t),color var(--fb-t);display:inline-block}
.fb-more-link:hover{transform:translateX(4px);color:var(--fb-ink)}

/* ---------- rows list ---------- */
.fb-rows{border-top:1px solid var(--fb-border)}
.fb-row{
  display:grid;grid-template-columns:58px minmax(0,1fr) 34px;gap:20px;align-items:start;
  padding:26px 10px;border-bottom:1px solid var(--fb-border);
  transition:background var(--fb-t),padding-left var(--fb-t),padding-right var(--fb-t);
}
.fb-row:hover{background:var(--fb-white);padding-left:18px}
.fb-row__num{
  font-size:15px;font-weight:800;color:var(--fb-text-3);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;padding-top:4px;
  transition:color var(--fb-t),transform var(--fb-t);
}
.fb-row:hover .fb-row__num{color:var(--fb-lime-deep);transform:translateX(2px)}
.fb-row__title{
  display:inline-block;position:relative;font-size:20px;line-height:1.45;font-weight:700;
  letter-spacing:-.01em;color:var(--fb-text);margin-bottom:8px;
}
.fb-row__title::after{
  content:"";position:absolute;left:0;bottom:-2px;width:100%;height:2px;background:var(--fb-lime-deep);
  transform:scaleX(0);transform-origin:left;transition:transform var(--fb-t);
}
.fb-row:hover .fb-row__title::after{transform:scaleX(1)}
.fb-row__desc{font-size:15px;line-height:1.75;color:var(--fb-text-2);max-width:62em}
.fb-row__meta{display:flex;align-items:center;gap:14px;margin-top:12px;flex-wrap:wrap}
.fb-row__time{font-size:13px;color:var(--fb-text-3);font-variant-numeric:tabular-nums}
.fb-row__arrow{align-self:center;font-size:18px;color:var(--fb-text-3);transition:transform var(--fb-t),color var(--fb-t)}
.fb-row:hover .fb-row__arrow{color:var(--fb-lime-deep);transform:translateX(4px)}

/* ---------- cards ---------- */
.fb-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.fb-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--fb-white);border:1px solid var(--fb-border);border-radius:var(--fb-r-card);
  overflow:hidden;box-shadow:var(--fb-sh-1);
  transition:border-color var(--fb-t),transform var(--fb-t),box-shadow var(--fb-t);
}
.fb-card:hover{border-color:var(--fb-lime);transform:translateY(-4px);box-shadow:var(--fb-sh-2)}
.fb-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--fb-bg-alt)}
.fb-card__media img{width:100%;height:100%;object-fit:cover;transition:transform 200ms var(--fb-ease)}
.fb-card:hover .fb-card__media img{transform:scale(1.03)}
.fb-card__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.fb-card__body h3{font-size:19px;line-height:1.4;font-weight:700}
.fb-card__body p{font-size:14.5px;line-height:1.75;color:var(--fb-text-2)}
.fb-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px}
.fb-card__foot span{font-size:13px;color:var(--fb-text-3);font-variant-numeric:tabular-nums}
.fb-card__arrow{color:var(--fb-text-3);transition:transform var(--fb-t),color var(--fb-t)}
.fb-card:hover .fb-card__arrow{color:var(--fb-lime-deep);transform:translateX(4px)}

/* ---------- cross category cards ---------- */
.fb-cross{
  position:relative;display:flex;flex-direction:column;justify-content:flex-end;
  min-height:280px;padding:28px;border-radius:var(--fb-r-card);overflow:hidden;color:#fff;
  border:1px solid var(--fb-border);box-shadow:var(--fb-sh-1);
  background:var(--fb-ink);
  transition:transform var(--fb-t),box-shadow var(--fb-t),border-color var(--fb-t);
}
.fb-cross:hover{transform:translateY(-4px);box-shadow:var(--fb-sh-2);border-color:var(--fb-lime)}
.fb-cross__bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.30;transition:transform 260ms var(--fb-ease),opacity var(--fb-t)}
.fb-cross:hover .fb-cross__bg{transform:scale(1.04);opacity:.42}
.fb-cross__layer{position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,21,18,.28),rgba(14,21,18,.92))}
.fb-cross__in{position:relative}
.fb-cross h3{color:#fff;font-size:21px;line-height:1.35;margin:12px 0 8px}
.fb-cross p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.76)}
.fb-cross__go{margin-top:16px;font-size:13.5px;font-weight:700;color:var(--fb-lime);display:inline-flex;align-items:center;gap:8px;transition:transform var(--fb-t)}
.fb-cross:hover .fb-cross__go{transform:translateX(4px)}

/* ---------- FAQ ---------- */
.fb-faq{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:56px;align-items:start}
.fb-faq__side h2{font-size:clamp(24px,2.6vw,36px);line-height:1.2;margin-bottom:16px}
.fb-faq__side p{font-size:15px;line-height:1.8;color:var(--fb-text-2)}
.fb-faq__list{border-top:1px solid var(--fb-border)}
.fb-faq details{border-bottom:1px solid var(--fb-border)}
.fb-faq summary{
  position:relative;list-style:none;cursor:pointer;
  padding:22px 44px 22px 34px;font-size:17px;font-weight:700;line-height:1.6;color:var(--fb-text);
  transition:color var(--fb-t);
}
.fb-faq summary::-webkit-details-marker{display:none}
.fb-faq summary::before{
  content:"+";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:20px;text-align:center;font-size:19px;font-weight:700;color:var(--fb-lime-deep);
  transition:transform 200ms var(--fb-ease),color var(--fb-t);
}
.fb-faq details[open] summary::before{content:"−";transform:translateY(-50%) rotate(180deg)}
.fb-faq summary:hover{color:var(--fb-lime-deep)}
.fb-faq__ans{padding:0 44px 24px 34px;font-size:15px;line-height:1.85;color:var(--fb-text-2);max-width:64em}

/* ---------- CTA ---------- */
.fb-cta{background:var(--fb-ink);color:#fff;border-radius:var(--fb-r-card);padding:44px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.fb-cta h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.3;max-width:22em}
.fb-cta p{margin-top:12px;font-size:14.5px;line-height:1.75;color:rgba(255,255,255,.7);max-width:34em}
.fb-cta__btns{display:flex;gap:12px;flex-wrap:wrap}
.fb-cta__btns .fb-btn.is-saved{background:var(--fb-lime);border-color:var(--fb-lime);color:var(--fb-ink)}

/* ---------- footer ---------- */
.fb-footer{background:var(--fb-ink);color:rgba(255,255,255,.78);padding-top:8px;margin-top:100px}
.fb-sub{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,520px);gap:32px;align-items:center;padding:48px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.fb-sub h2{color:#fff;font-size:22px;line-height:1.35;margin-bottom:10px}
.fb-sub p{font-size:14.5px;line-height:1.75;color:rgba(255,255,255,.66)}
.fb-sub__form{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-start}
.fb-sub__form input{
  flex:1 1 240px;min-height:48px;padding:0 16px;border-radius:var(--fb-r-btn);
  border:1px solid rgba(255,255,255,.22);background:#fff;color:var(--fb-ink);font-size:15px;
  transition:border-color var(--fb-t),box-shadow var(--fb-t);
}
.fb-sub__form input::placeholder{color:var(--fb-text-3)}
.fb-sub__form input:focus{outline:none;border-color:var(--fb-lime);box-shadow:0 0 0 3px rgba(196,240,66,.28)}
.fb-sub__err{display:none;flex:1 0 100%;margin:2px 0 0;font-size:13px;color:#FFB59A}
.fb-sub__form.is-error .fb-sub__err{display:block}
.fb-sub__form.is-error input{border-color:var(--fb-orange)}
.fb-sub__form.is-done .fb-sub__err{display:block;color:var(--fb-lime)}
.fb-footer__cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding:56px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.fb-footer__col p{font-size:14px;line-height:1.8}
.fb-footer__brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:#fff;margin-bottom:14px}
.fb-footer .fb-logo__arc{border-color:rgba(255,255,255,.85);border-right-color:transparent;border-bottom-color:transparent}
.fb-footer .fb-logo__block{border-color:var(--fb-ink);background:var(--fb-lime)}
.fb-footer__h{font-size:11px;letter-spacing:.14em;font-weight:700;color:rgba(255,255,255,.5);text-transform:uppercase;margin-bottom:16px}
.fb-footer__link{display:block;font-size:14px;padding:6px 0;color:rgba(255,255,255,.78);transition:color var(--fb-t),transform var(--fb-t)}
.fb-footer__link:hover{color:var(--fb-lime);transform:translateX(2px)}
.fb-footer__bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:24px 0 32px;font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- reveal ---------- */
.fb-reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--fb-ease),transform .5s var(--fb-ease)}
.fb-reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .fb-header__inner{height:64px;gap:20px}
  .fb-nav{
    position:fixed;left:0;right:0;top:64px;z-index:110;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--fb-white);padding:8px 24px 24px;
    border-bottom:1px solid var(--fb-border);box-shadow:var(--fb-sh-2);
    opacity:0;visibility:hidden;transform:translateY(-12px);
    transition:opacity var(--fb-t),transform var(--fb-t),visibility var(--fb-t);
  }
  .fb-nav.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .fb-nav__link{padding:15px 0;border-bottom:1px solid var(--fb-line);font-size:16px;color:var(--fb-text)}
  .fb-nav__link::after{display:none}
  .fb-nav__link.is-active{color:var(--fb-lime-deep)}
  .fb-mega{display:none}
  .fb-mega-trigger{display:none}
  .fb-burger{display:block}
  .fb-cat-hero__inner{padding-top:64px}
  .fb-cat-hero__top{grid-template-columns:minmax(0,1fr);gap:24px;align-items:start}
  .fb-cat-hero__side{flex-direction:row;flex-wrap:wrap;align-items:flex-start}
  .fb-section{padding:80px 0}
  .fb-grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fb-faq{grid-template-columns:minmax(0,1fr);gap:32px}
  .fb-footer__cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .fb-sub{grid-template-columns:minmax(0,1fr);gap:20px}
  .fb-cta{padding:36px 32px}
}
@media (max-width:640px){
  body{font-size:16px;line-height:1.85}
  .fb-container{padding:0 20px}
  .fb-header__inner{height:60px}
  .fb-nav{top:60px;padding:8px 20px 20px}
  .fb-logo{font-size:16px}
  .fb-cat-hero__inner{padding:52px 20px 0}
  .fb-cat-hero h1{margin-top:16px}
  .fb-cat-meta{grid-template-columns:1fr;gap:14px;padding:22px 0 32px}
  .fb-section{padding:60px 0}
  .fb-sec-head{margin-bottom:32px}
  .fb-row{grid-template-columns:38px minmax(0,1fr);gap:14px;padding:20px 4px}
  .fb-row__arrow{display:none}
  .fb-row:hover{padding-left:4px}
  .fb-row__title{font-size:18px}
  .fb-grid-3{grid-template-columns:minmax(0,1fr)}
  .fb-cross{min-height:230px;padding:22px}
  .fb-faq summary{padding:18px 34px 18px 30px;font-size:16px}
  .fb-faq__ans{padding:0 24px 20px 30px}
  .fb-cta{padding:28px 22px;border-radius:var(--fb-r-card)}
  .fb-cta__btns{width:100%}
  .fb-cta__btns .fb-btn{flex:1 1 46%}
  .fb-footer__cols{grid-template-columns:minmax(0,1fr);gap:28px;padding:40px 0}
  .fb-footer__bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .fb-sub{padding:36px 0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .fb-reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --fb-ink:#0E1512;
  --fb-lime:#C4F042;
  --fb-lime-deep:#4E6B14;
  --fb-lime-soft:#EDF7D6;
  --fb-orange:#E8642C;
  --fb-bg:#FAFAF7;
  --fb-bg-alt:#F1F2ED;
  --fb-card:#FFFFFF;
  --fb-text:#101615;
  --fb-muted:#5C6663;
  --fb-weak:#8A928E;
  --fb-border:#E2E4DC;
  --fb-line:#EDEEE8;
  --fb-r-tag:4px;
  --fb-r-btn:6px;
  --fb-r-card:12px;
  --fb-sh:0 1px 2px rgba(14,21,18,.04),0 8px 24px -12px rgba(14,21,18,.10);
  --fb-sh-hover:0 2px 4px rgba(14,21,18,.06),0 20px 40px -20px rgba(14,21,18,.18);
  --fb-ease:cubic-bezier(.2,.7,.2,1);
  --fb-t:180ms cubic-bezier(.2,.7,.2,1);
  --fb-font:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",Inter,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;background:var(--fb-bg);color:var(--fb-text);
  font-family:var(--fb-font);font-size:16px;line-height:1.85;
  font-weight:400;letter-spacing:0;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2{letter-spacing:-.01em;font-weight:800;line-height:1.06}
h2{font-size:clamp(24px,3.2vw,38px);line-height:1.2;font-weight:700}
h3{font-size:22px;line-height:1.35;font-weight:700}
table{border-collapse:collapse}
:focus-visible{outline:2px solid rgba(196,240,66,.9);outline-offset:2px}
.fb-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.fb-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.fb-section{padding:96px 0}
.fb-section--alt{background:var(--fb-bg-alt)}
.fb-section--tight{padding:72px 0}
.fb-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px;flex-wrap:wrap}
.fb-sec-head__text{max-width:680px}
.fb-sec-head p{color:var(--fb-muted);font-size:15px;line-height:1.7;margin-top:14px;max-width:620px}
.fb-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:11px;letter-spacing:.14em;color:var(--fb-lime-deep);font-weight:700;text-transform:uppercase}
.fb-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--fb-orange);display:block}
.fb-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--fb-ink);border-bottom:1.5px solid var(--fb-border);padding-bottom:4px;transition:var(--fb-t)}
.fb-more:hover{border-color:var(--fb-lime-deep);color:var(--fb-lime-deep);transform:translateX(4px)}
.fb-num{font-variant-numeric:tabular-nums;font-weight:800;color:var(--fb-weak);transition:var(--fb-t)}
.fb-badge{display:inline-flex;align-items:center;gap:6px;font-size:11px;letter-spacing:.08em;font-weight:700;padding:4px 10px;border-radius:var(--fb-r-tag);background:var(--fb-lime-soft);color:var(--fb-lime-deep)}
.fb-badge--line{background:transparent;border:1px solid var(--fb-border);color:var(--fb-muted)}

/* ---------- Header ---------- */
.fb-header{position:sticky;top:0;z-index:50;background:rgba(250,250,247,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--fb-line)}
.fb-header__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.fb-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.fb-logo__mark{position:relative;width:30px;height:30px;flex:0 0 auto;display:block}
.fb-logo__arc{position:absolute;inset:0;border:2.5px solid var(--fb-ink);border-radius:50% 50% 50% 50%/60% 60% 40% 40%;border-right-color:transparent;border-bottom-color:transparent;transform:rotate(38deg)}
.fb-logo__block{position:absolute;width:9px;height:9px;background:var(--fb-lime-deep);border-radius:2px;left:11px;top:11px}
.fb-logo__text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--fb-ink);white-space:nowrap}
.fb-nav{display:flex;align-items:center;gap:28px}
.fb-nav__link{position:relative;font-size:15px;font-weight:600;color:var(--fb-muted);padding:6px 0;transition:var(--fb-t);white-space:nowrap}
.fb-nav__link::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--fb-lime-deep);transition:right var(--fb-t)}
.fb-nav__link:hover{color:var(--fb-ink)}
.fb-nav__link:hover::after{right:0}
.fb-nav__link.is-active{color:var(--fb-ink)}
.fb-nav__link.is-active::after{right:0;background:var(--fb-orange)}
.fb-header__actions{display:flex;align-items:center;gap:14px}
.fb-mega-trigger{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 14px;background:transparent;border:1px solid var(--fb-border);border-radius:var(--fb-r-btn);font-size:14px;font-weight:600;color:var(--fb-muted);cursor:pointer;transition:var(--fb-t)}
.fb-mega-trigger:hover{border-color:var(--fb-ink);color:var(--fb-ink)}
.fb-mega-trigger svg{width:12px;height:12px;transition:transform var(--fb-t)}
.fb-mega-trigger[aria-expanded="true"] svg{transform:rotate(180deg)}
.fb-mega{position:absolute;left:0;right:0;top:100%;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity var(--fb-t),transform var(--fb-t),visibility var(--fb-t);pointer-events:none}
.fb-mega.is-open{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
.fb-mega__inner{max-width:880px;margin:10px 24px 0 auto;background:#fff;border:1px solid var(--fb-border);border-radius:var(--fb-r-card);box-shadow:var(--fb-sh-hover);padding:32px;display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:32px}
.fb-mega__title{font-size:11px;letter-spacing:.14em;font-weight:700;color:var(--fb-weak);margin-bottom:16px}
.fb-mega__list li+li,.fb-mega__feed li+li{margin-top:12px}
.fb-mega__list a,.fb-mega__feed a{display:flex;gap:10px;align-items:baseline;font-size:14px;font-weight:600;color:var(--fb-text);transition:var(--fb-t)}
.fb-mega__list a:hover,.fb-mega__feed a:hover{color:var(--fb-lime-deep);transform:translateX(4px)}
.fb-mega__feed a{display:block}
.fb-mega__feed time{display:block;font-size:12px;color:var(--fb-weak);margin-top:2px}
.fb-mega__card{display:block;border:1px solid var(--fb-border);border-radius:var(--fb-r-card);overflow:hidden;background:var(--fb-bg);transition:var(--fb-t)}
.fb-mega__card:hover{box-shadow:var(--fb-sh-hover);transform:translateY(-4px)}
.fb-mega__card img{aspect-ratio:4/3;object-fit:cover;width:100%}
.fb-mega__card span{display:block;padding:14px 16px 16px;font-size:14px;font-weight:700}
.fb-burger{display:none;width:44px;height:44px;border:1px solid var(--fb-border);border-radius:var(--fb-r-btn);background:#fff;cursor:pointer;position:relative}
.fb-burger span,.fb-burger span::before,.fb-burger span::after{position:absolute;left:12px;width:18px;height:2px;background:var(--fb-ink);border-radius:2px;content:"";transition:var(--fb-t)}
.fb-burger span{top:21px}
.fb-burger span::before{top:-6px}
.fb-burger span::after{top:6px}
.fb-drawer{position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);background:#fff;border-left:1px solid var(--fb-border);z-index:70;padding:24px;overflow-y:auto;transform:translateX(102%);transition:transform 240ms var(--fb-ease)}
.fb-drawer.is-open{transform:none}
.fb-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.fb-drawer__close{width:44px;height:44px;border:1px solid var(--fb-border);border-radius:var(--fb-r-btn);background:#fff;font-size:18px;cursor:pointer;line-height:1}
.fb-drawer__link{display:block;padding:14px 0;font-size:16px;font-weight:600;border-bottom:1px solid var(--fb-line)}
.fb-drawer__link.is-active{color:var(--fb-lime-deep)}
.fb-drawer__body{display:block}
.fb-drawer__body summary{display:flex;align-items:center;justify-content:space-between;padding:16px 0;font-weight:700;cursor:pointer;border-bottom:1px solid var(--fb-line);list-style:none}
.fb-drawer__body summary::-webkit-details-marker{display:none}
.fb-drawer__body summary::after{content:"+";color:var(--fb-lime-deep);font-weight:800}
.fb-drawer__body[open] summary::after{content:"−"}
.fb-drawer__body a{display:block;padding:12px 0 12px 14px;font-size:14px;color:var(--fb-muted);border-bottom:1px dashed var(--fb-line)}
.fb-scrim{position:fixed;inset:0;background:rgba(14,21,18,.5);opacity:0;visibility:hidden;transition:opacity var(--fb-t),visibility var(--fb-t);z-index:65}
.fb-scrim.is-open{opacity:1;visibility:visible}

/* ---------- Buttons ---------- */
.fb-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--fb-r-btn);border:1.5px solid transparent;font-size:15px;font-weight:700;cursor:pointer;transition:var(--fb-t);background:transparent;text-align:center}
.fb-btn--dark{background:var(--fb-ink);color:#fff;border-color:var(--fb-ink)}
.fb-btn--dark:hover{background:var(--fb-lime);color:var(--fb-ink);border-color:var(--fb-lime);transform:translateY(-1px)}
.fb-btn--dark:active{transform:translateY(1px)}
.fb-btn--outline{border-color:var(--fb-ink);color:var(--fb-ink);background:transparent}
.fb-btn--outline:hover{border-color:var(--fb-lime-deep);color:var(--fb-lime-deep);transform:translateY(-1px)}
.fb-btn--ghost{border-color:rgba(255,255,255,.28);color:#fff}
.fb-btn--ghost:hover{border-color:var(--fb-lime);color:var(--fb-lime)}
.fb-btn--sm{min-height:38px;padding:0 16px;font-size:14px}
.fb-btn.is-saved{background:var(--fb-lime);color:var(--fb-ink);border-color:var(--fb-lime)}
.fb-btn.is-done{background:#fff;color:var(--fb-lime-deep);border-color:var(--fb-lime-deep)}

/* ---------- Category head ---------- */
.fb-cathead{position:relative;background:var(--fb-ink);color:#fff;overflow:hidden}
.fb-cathead::before{content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;opacity:.42}
.fb-cathead::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,21,18,.72) 0%,rgba(14,21,18,.86) 100%)}
.fb-cathead .fb-container{position:relative;z-index:2;padding-top:88px;padding-bottom:64px}
.fb-cathead__grid{display:grid;grid-template-columns:1fr auto;gap:48px;align-items:end}
.fb-cathead h1{font-size:clamp(32px,5vw,60px);line-height:1.06;font-weight:800;color:#fff;max-width:16em}
.fb-cathead__sub{margin-top:20px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.78);max-width:34em}
.fb-cathead .fb-eyebrow{color:var(--fb-lime)}
.fb-cathead__side{display:flex;flex-direction:column;align-items:flex-end;gap:10px;padding-bottom:6px}
.fb-cathead__side span{font-size:12px;letter-spacing:.1em;color:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.22);border-radius:var(--fb-r-tag);padding:5px 10px;white-space:nowrap}
.fb-cathead__line{height:1px;background:rgba(255,255,255,.2);margin-top:48px}
.fb-cathead__meta{display:flex;flex-wrap:wrap;gap:32px;margin-top:24px}
.fb-cathead__meta div{font-size:13px;color:rgba(255,255,255,.66)}
.fb-cathead__meta strong{display:block;color:#fff;font-size:14px;font-weight:700;margin-bottom:4px}

/* ---------- Metrics ---------- */
.fb-metrics{background:var(--fb-bg-alt);border-bottom:1px solid var(--fb-border)}
.fb-metrics__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--fb-border)}
.fb-metrics__cell{background:var(--fb-bg-alt);padding:36px 28px}
.fb-metrics__cell b{display:block;font-size:38px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em;color:var(--fb-ink);line-height:1.1}
.fb-metrics__cell b em{font-style:normal;font-size:18px;color:var(--fb-lime-deep);margin-left:4px}
.fb-metrics__cell p{margin-top:10px;font-size:13px;color:var(--fb-muted);line-height:1.7}

/* ---------- Bento ---------- */
.fb-bento{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;grid-auto-flow:dense}
.fb-bento__item{display:flex;flex-direction:column;gap:14px;background:var(--fb-card);border:1px solid var(--fb-border);border-radius:var(--fb-r-card);padding:26px;box-shadow:var(--fb-sh);transition:var(--fb-t);min-height:100%}
.fb-bento__item:hover{border-color:var(--fb-lime-deep);transform:translateY(-4px);box-shadow:var(--fb-sh-hover)}
.fb-bento__item:hover .fb-bento__title{color:var(--fb-lime-deep)}
.fb-bento__item:hover .fb-num{color:var(--fb-lime-deep);transform:translateX(2px)}
.fb-bento__item--xl{grid-column:span 4}
.fb-bento__item--wide{grid-column:span 3}
.fb-bento__item--sm{grid-column:span 2}
.fb-bento__media{border-radius:var(--fb-r-card);overflow:hidden;border:1px solid var(--fb-line)}
.fb-bento__media img{aspect-ratio:16/9;object-fit:cover;width:100%;transition:transform 200ms var(--fb-ease)}
.fb-bento__item:hover .fb-bento__media img{transform:scale(1.03)}
.fb-bento__item--xl .fb-bento__media img{aspect-ratio:16/9}
.fb-bento__top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.fb-bento__title{font-size:19px;font-weight:700;line-height:1.4;transition:var(--fb-t)}
.fb-bento__item--xl .fb-bento__title{font-size:24px}
.fb-bento__item p{font-size:14px;color:var(--fb-muted);line-height:1.75}
.fb-bento__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--fb-line);font-size:12px;color:var(--fb-weak)}
.fb-bento__foot .fb-arrow{color:var(--fb-ink);font-weight:800;transition:var(--fb-t)}
.fb-bento__item:hover .fb-arrow{color:var(--fb-lime-deep);transform:translateX(4px)}

/* ---------- Flow ---------- */
.fb-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:fbflow}
.fb-flow__step{background:#fff;border:1px solid var(--fb-border);border-radius:var(--fb-r-card);padding:28px;box-shadow:var(--fb-sh);position:relative;transition:var(--fb-t)}
.fb-flow__step:hover{transform:translateY(-4px);box-shadow:var(--fb-sh-hover);border-color:var(--fb-lime-deep)}
.fb-flow__step::before{counter-increment:fbflow;content:"0" counter(fbflow);display:block;font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--fb-lime-deep);letter-spacing:.1em;margin-bottom:14px}
.fb-flow__step h3{font-size:19px;margin-bottom:10px}
.fb-flow__step p{font-size:14px;color:var(--fb-muted);line-height:1.75}

/* ---------- Picks ---------- */
.fb-picks{display:grid;grid-template-columns:1.4fr 1fr;gap:24px}
.fb-pick{background:#fff;border:1px solid var(--fb-border);border-radius:var(--fb-r-card);padding:28px;box-shadow:var(--fb-sh);transition:var(--fb-t);display:flex;flex-direction:column;gap:14px}
.fb-pick:hover{transform:translateY(-4px);box-shadow:var(--fb-sh-hover);border-color:var(--fb-lime-deep)}
.fb-pick img{border-radius:var(--fb-r-card);aspect-ratio:16/9;object-fit:cover;width:100%;transition:transform 200ms var(--fb-ease)}
.fb-pick:hover img{transform:scale(1.03)}
.fb-pick--lead{flex-direction:row;gap:28px;align-items:center}
.fb-pick--lead .fb-pick__media{flex:0 0 46%;overflow:hidden;border-radius:var(--fb-r-card)}
.fb-pick--lead h3{font-size:24px}
.fb-pick h3{transition:var(--fb-t)}
.fb-pick:hover h3{color:var(--fb-lime-deep)}
.fb-pick p{font-size:14px;color:var(--fb-muted);line-height:1.75}
.fb-picks__side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.fb-pick__meta{display:flex;gap:12px;align-items:center;font-size:12px;color:var(--fb-weak)}
.fb-pick__link{margin-top:auto;font-size:14px;font-weight:700;color:var(--fb-ink);display:inline-flex;gap:8px;align-items:center;transition:var(--fb-t)}
.fb-pick:hover .fb-pick__link{color:var(--fb-lime-deep);transform:translateX(4px)}

/* ---------- Related ---------- */
.fb-related{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.fb-related__card{display:flex;flex-direction:column;gap:12px;background:#fff;border:1px solid var(--fb-border);border-radius:var(--fb-r-card);padding:26px;box-shadow:var(--fb-sh);transition:var(--fb-t)}
.fb-related__card:hover{transform:translateY(-4px);box-shadow:var(--fb-sh-hover);border-color:var(--fb-lime-deep)}
.fb-related__card h3{font-size:19px}
.fb-related__card p{font-size:14px;color:var(--fb-muted);line-height:1.75}
.fb-related__go{margin-top:auto;font-size:14px;font-weight:700;color:var(--fb-lime-deep)}

/* ---------- FAQ ---------- */
.fb-faq{display:grid;grid-template-columns:1fr 2fr;gap:48px;align-items:start}
.fb-faq__list{border-top:1px solid var(--fb-border)}
.fb-faq__item{border-bottom:1px solid var(--fb-border)}
.fb-faq__item summary{display:flex;align-items:center;gap:14px;padding:22px 0;font-size:17px;font-weight:700;cursor:pointer;list-style:none;transition:var(--fb-t)}
.fb-faq__item summary::-webkit-details-marker{display:none}
.fb-faq__item summary::before{content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:var(--fb-r-tag);background:var(--fb-lime-soft);color:var(--fb-lime-deep);display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;transition:transform 200ms var(--fb-ease)}
.fb-faq__item[open] summary::before{content:"−";transform:rotate(180deg)}
.fb-faq__item summary:hover{color:var(--fb-lime-deep)}
.fb-faq__item p{padding:0 0 24px 40px;font-size:15px;color:var(--fb-muted);line-height:1.85}

/* ---------- CTA ---------- */
.fb-cta{background:var(--fb-ink);color:#fff;border-radius:var(--fb-r-card);padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.fb-cta h2{font-size:clamp(24px,3vw,34px);color:#fff;max-width:15em}
.fb-cta p{margin-top:14px;color:rgba(255,255,255,.7);font-size:15px;max-width:34em}
.fb-cta__btns{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.fb-footer{background:var(--fb-ink);color:rgba(255,255,255,.78);margin-top:96px}
.fb-sub{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding:56px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.fb-sub h2{font-size:26px;color:#fff}
.fb-sub p{margin-top:10px;font-size:14px;color:rgba(255,255,255,.62);line-height:1.75}
.fb-sub__form{display:flex;gap:12px;position:relative;flex-wrap:wrap}
.fb-sub__form input{flex:1 1 240px;min-height:44px;padding:0 16px;border-radius:var(--fb-r-btn);border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.04);color:#fff;transition:var(--fb-t)}
.fb-sub__form input::placeholder{color:rgba(255,255,255,.42)}
.fb-sub__form input:focus{border-color:var(--fb-lime);outline:2px solid rgba(196,240,66,.5);outline-offset:2px}
.fb-sub__form input.is-error{border-color:#FF8A6B}
.fb-sub__err{display:none;flex:1 1 100%;font-size:13px;color:#FFB39C;margin-top:6px}
.fb-sub__err.is-show{display:block}
.fb-footer__cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:40px;padding:56px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.fb-footer__brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px}
.fb-footer__brand .fb-logo__arc{border-color:#fff;border-right-color:transparent;border-bottom-color:transparent}
.fb-footer__brand .fb-logo__block{background:var(--fb-lime)}
.fb-footer__col p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.6)}
.fb-footer__h{color:#fff;font-weight:700;font-size:14px;margin-bottom:16px;letter-spacing:.02em}
.fb-footer__link{display:block;font-size:14px;color:rgba(255,255,255,.66);padding:6px 0;transition:var(--fb-t)}
.fb-footer__link:hover{color:var(--fb-lime);transform:translateX(2px)}
.fb-footer__bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:26px 0 40px;font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- Reveal ---------- */
.fb-reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms var(--fb-ease),transform 520ms var(--fb-ease)}
.fb-reveal.is-in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media screen and (max-width:1024px){
  .fb-nav{display:none}
  .fb-mega-trigger{display:none}
  .fb-burger{display:block}
  .fb-mega{display:none}
  .fb-section{padding:72px 0}
  .fb-metrics__grid{grid-template-columns:repeat(2,1fr)}
  .fb-bento{grid-template-columns:repeat(4,1fr)}
  .fb-bento__item--xl{grid-column:span 4}
  .fb-bento__item--wide{grid-column:span 2}
  .fb-bento__item--sm{grid-column:span 2}
  .fb-flow{grid-template-columns:repeat(2,1fr)}
  .fb-picks{grid-template-columns:1fr}
  .fb-pick--lead{flex-direction:column;align-items:stretch}
  .fb-pick--lead .fb-pick__media{flex:none}
  .fb-related{grid-template-columns:1fr 1fr}
  .fb-faq{grid-template-columns:1fr;gap:28px}
  .fb-footer__cols{grid-template-columns:1fr 1fr}
  .fb-sub{grid-template-columns:1fr}
  .fb-cathead__grid{grid-template-columns:1fr;gap:32px}
  .fb-cathead__side{flex-direction:row;flex-wrap:wrap;align-items:flex-start}
}
@media screen and (max-width:767px){
  .fb-bento{grid-template-columns:1fr 1fr}
  .fb-bento__item--xl,.fb-bento__item--wide,.fb-bento__item--sm{grid-column:span 2}
  .fb-picks__side{grid-template-rows:auto;grid-template-columns:1fr}
  .fb-related{grid-template-columns:1fr}
  .fb-cta{padding:32px}
}
@media screen and (max-width:519px){
  .fb-container{padding:0 20px}
  .fb-section{padding:56px 0}
  .fb-metrics__cell{padding:26px 20px}
  .fb-metrics__cell b{font-size:30px}
  .fb-metrics__grid{grid-template-columns:1fr}
  .fb-bento{grid-template-columns:1fr;gap:16px}
  .fb-bento__item--xl,.fb-bento__item--wide,.fb-bento__item--sm{grid-column:span 1}
  .fb-flow{grid-template-columns:1fr;gap:16px}
  .fb-footer__cols{grid-template-columns:1fr;gap:32px}
  .fb-cathead .fb-container{padding-top:56px;padding-bottom:48px}
  .fb-cathead__meta{gap:20px}
  .fb-cta{padding:26px 22px}
  .fb-btn{width:100%}
  .fb-cta__btns,.fb-sub__form{width:100%}
  .fb-pick{padding:22px}
  .fb-bento__item{padding:22px}
}

/* roulang page: category3 */
:root{
  --fb-ink:#0E1512;
  --fb-lime:#C4F042;
  --fb-lime-deep:#4E6B14;
  --fb-lime-soft:#EDF7D6;
  --fb-orange:#E8642C;
  --fb-paper:#FAFAF7;
  --fb-mist:#F1F2ED;
  --fb-white:#FFFFFF;
  --fb-text:#101615;
  --fb-text-2:#5C6663;
  --fb-text-3:#8A928E;
  --fb-border:#E2E4DC;
  --fb-line:#EDEEE8;
  --fb-r-tag:4px;
  --fb-r-btn:6px;
  --fb-r-card:12px;
  --fb-sh:0 1px 2px rgba(14,21,18,.04), 0 8px 24px -12px rgba(14,21,18,.10);
  --fb-sh-h:0 2px 4px rgba(14,21,18,.06), 0 20px 40px -20px rgba(14,21,18,.18);
  --fb-ease:cubic-bezier(.2,.7,.2,1);
  --fb-dur:180ms;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--fb-paper);
  color:var(--fb-text);
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--fb-text);letter-spacing:-.01em;line-height:1.2}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color var(--fb-dur) var(--fb-ease),transform var(--fb-dur) var(--fb-ease),border-color var(--fb-dur) var(--fb-ease),background-color var(--fb-dur) var(--fb-ease)}
a:hover{color:var(--fb-lime-deep)}
img{display:block;max-width:100%;height:auto}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer}
input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid rgba(196,240,66,.9);outline-offset:2px}

.fb-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.fb-section{padding:104px 0}
.fb-section--mist{background:var(--fb-mist)}
.fb-section--tight{padding:80px 0}

/* ---------- 头部 ---------- */
.fb-header{position:sticky;top:0;z-index:80;background:rgba(250,250,247,.96);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--fb-line)}
.fb-header__inner{display:flex;align-items:center;gap:28px;height:72px}
.fb-logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.fb-logo__mark{position:relative;width:26px;height:26px;flex:none;display:inline-block}
.fb-logo__arc{position:absolute;left:0;top:0;width:26px;height:26px;border:2.5px solid var(--fb-ink);border-radius:50%;border-right-color:transparent;border-top-color:transparent;transform:rotate(-18deg)}
.fb-logo__block{position:absolute;right:1px;bottom:2px;width:10px;height:10px;background:var(--fb-lime-deep);border-radius:2px}
.fb-logo__text{font-size:17px;font-weight:800;color:var(--fb-ink);letter-spacing:-.01em;white-space:nowrap}
.fb-nav{display:flex;align-items:center;gap:2px;flex:1}
.fb-nav__link{position:relative;display:inline-flex;align-items:center;height:72px;padding:0 15px;font-size:15px;font-weight:500;color:var(--fb-text);white-space:nowrap}
.fb-nav__link::after{content:"";position:absolute;left:15px;right:15px;bottom:16px;height:2px;background:var(--fb-lime-deep);transform:scaleX(0);transform-origin:left;transition:transform var(--fb-dur) var(--fb-ease)}
.fb-nav__link:hover{color:var(--fb-lime-deep)}
.fb-nav__link:hover::after,.fb-nav__link.is-active::after{transform:scaleX(1)}
.fb-nav__link.is-active{font-weight:700}
.fb-header__actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.fb-mega-trigger{display:inline-flex;align-items:center;gap:7px;min-height:40px;padding:0 14px;border-radius:var(--fb-r-btn);border:1px solid var(--fb-border);font-size:14px;font-weight:600;color:var(--fb-text);background:var(--fb-white);transition:all var(--fb-dur) var(--fb-ease)}
.fb-mega-trigger:hover{border-color:var(--fb-lime-deep);color:var(--fb-lime-deep)}
.fb-mega-trigger svg{width:11px;height:11px;transition:transform var(--fb-dur) var(--fb-ease)}
.fb-mega-trigger[aria-expanded="true"] svg{transform:rotate(180deg)}
.fb-mega-trigger[aria-expanded="true"]{border-color:var(--fb-ink);background:var(--fb-ink);color:#fff}
.fb-burger{display:none;width:44px;height:44px;border-radius:var(--fb-r-btn);border:1px solid var(--fb-border);align-items:center;justify-content:center;background:var(--fb-white)}
.fb-burger span{position:relative;display:block;width:18px;height:2px;background:var(--fb-ink);border-radius:2px}
.fb-burger span::before,.fb-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--fb-ink);border-radius:2px}
.fb-burger span::before{top:-6px}
.fb-burger span::after{top:6px}

/* ---------- Mega 面板 ---------- */
.fb-mega{position:absolute;top:calc(100% + 10px);right:24px;width:840px;max-width:calc(100vw - 48px);background:var(--fb-white);border:1px solid var(--fb-border);border-radius:var(--fb-r-card);box-shadow:var(--fb-sh-h);padding:30px 32px;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity var(--fb-dur) var(--fb-ease),transform var(--fb-dur) var(--fb-ease),visibility var(--fb-dur)}
.fb-mega.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.fb-mega__inner{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:30px}
.fb-mega__title{font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--fb-text-3);margin-bottom:14px}
.fb-mega__list li+li,.fb-mega__feed li+li{margin-top:10px}
.fb-mega__list a{display:flex;align-items:center;gap:10px;font-size:14.5px;font-weight:500;color:var(--fb-text)}
.fb-mega__list a:hover{color:var(--fb-lime-deep)}
.fb-mega__list a:hover .fb-num{color:var(--fb-lime-deep);transform:translateX(2px)}
.fb-num{font-weight:800;font-variant-numeric:tabular-nums;font-size:12.5px;color:var(--fb-text-3);letter-spacing:.04em;transition:all var(--fb-dur) var(--fb-ease);display:inline-block}
.fb-mega__feed a{display:block;font-size:14.5px;font-weight:500;color:var(--fb-text);line-height:1.5}
.fb-mega__feed a:hover{color:var(--fb-lime-deep)}
.fb-mega__feed time{display:block;font-size:12.5px;color:var(--fb-text-3);margin-top:2px}
.fb-mega__card{display:block;border:1px solid var(--fb-border);border-radius:var(--fb-r-card);overflow:hidden;background:var(--fb-paper);transition:all var(--fb-dur) var(--fb-ease)}
.fb-mega__card:hover{border-color:var(--fb-lime);box-shadow:var(--fb-sh);transform:translateY(-4px)}
.fb-mega__card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.fb-mega__card span,.fb-mega__card strong{display:block;padding:0 14px}
.fb-mega__card .fb-badge{margin:14px 14px 8px;padding:3px 10px;display:inline-block}
.fb-mega__card strong{font-size:14.5px;font-weight:700;color:var(--fb-ink);line-height:1.45;padding-bottom:16px}

/* ---------- 通用组件 ---------- */
.fb-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:var(--fb-r-btn);font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;white-space:nowrap;transition:all var(--fb-dur) var(--fb-ease)}
.fb-btn:active{transform:translateY(1px)}
.fb-btn--dark{background:var(--fb-ink);color:#fff;border-color:var(--fb-ink)}
.fb-btn--dark:hover{background:var(--fb-lime);border-color:var(--fb-lime);color:var(--fb-ink);transform:translateY(-1px)}
.fb-btn--ghost{background:transparent;border-color:var(--fb-ink);color:var(--fb-ink)}
.fb-btn--ghost:hover{border-color:var(--fb-lime-deep);color:var(--fb-lime-deep);transform:translateY(-1px)}
.fb-btn--lime{background:var(--fb-lime);color:var(--fb-ink);border-color:var(--fb-lime)}
.fb-btn--lime:hover{background:#fff;border-color:#fff;color:var(--fb-ink);transform:translateY(-1px)}
.fb-btn--ghost-dark{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.fb-btn--ghost-dark:hover{border-color:var(--fb-lime);color:var(--fb-lime);transform:translateY(-1px)}
.fb-btn.is-saved{background:var(--fb-lime);border-color:var(--fb-lime);color:var(--fb-ink)}
.fb-btn--sm{min-height:38px;padding:0 16px;font-size:14px}
.fb-btn[disabled]{opacity:.5;cursor:not-allowed}
.fb-badge{display:inline-block;padding:4px 10px;border-radius:var(--fb-r-tag);background:var(--fb-lime-soft);color:var(--fb-lime-deep);font-size:12px;font-weight:600;letter-spacing:.02em}
.fb-tag{display:inline-block;padding:3px 10px;border-radius:var(--fb-r-tag);border:1px solid var(--fb-border);background:var(--fb-white);color:var(--fb-text-2);font-size:12px;font-weight:500}
.fb-eyebrow{font-size:11.5px;font-weight:700;letter-spacing:.14em;color:var(--fb-text-3);text-transform:uppercase;margin-bottom:14px}
.fb-sec-head{margin-bottom:44px}
.fb-sec-head h2{font-size:clamp(24px,3.2vw,38px);font-weight:800}
.fb-sec-head p{margin-top:14px;font-size:16px;color:var(--fb-text-2);max-width:640px}
.fb-sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.fb-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--fb-lime-deep);white-space:nowrap}
.fb-more:hover{color:var(--fb-ink)}

/* ---------- 分类页头 ---------- */
.fb-cat{position:relative;background:var(--fb-ink);overflow:hidden}
.fb-cat__bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.30}
.fb-cat::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,21,18,.72),rgba(14,21,18,.9))}
.fb-cat__inner{position:relative;z-index:2;display:flex;align-items:flex-end;justify-content:space-between;gap:40px;padding-top:88px;padding-bottom:64px}
.fb-cat__main{max-width:760px}
.fb-cat .fb-eyebrow{color:var(--fb-lime)}
.fb-cat__title{font-size:clamp(32px,5vw,58px);line-height:1.06;font-weight:800;color:#fff;letter-spacing:-.02em}
.fb-cat__lead{margin-top:22px;font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.76);max-width:640px}
.fb-cat__meta{display:flex;flex-wrap:wrap;gap:12px 36px;margin-top:34px;padding-top:26px;border-top:1px solid rgba(255,255,255,.18)}
.fb-cat__meta div{min-width:120px}
.fb-cat__meta span{display:block;font-size:11.5px;letter-spacing:.14em;color:rgba(255,255,255,.5);margin-bottom:6px}
.fb-cat__meta strong{font-size:16px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums}
.fb-cat__side{display:flex;flex-direction:column;gap:18px;padding-bottom:6px}
.fb-cat__side span{writing-mode:vertical-rl;font-size:12px;letter-spacing:.2em;color:rgba(255,255,255,.55);border-left:1px solid rgba(255,255,255,.25);padding-left:10px}

/* ---------- 时间线 ---------- */
.fb-tl{position:relative;margin-top:8px}
.fb-tl::before{content:"";position:absolute;left:5px;top:14px;bottom:14px;width:2px;background:linear-gradient(180deg,var(--fb-lime-deep) 0%,var(--fb-border) 65%,rgba(226,228,220,.2) 100%)}
.fb-tl__item{position:relative;padding:26px 0 26px 52px;border-bottom:1px solid var(--fb-line);transition:background-color var(--fb-dur) var(--fb-ease)}
.fb-tl__item:last-child{border-bottom:0}
.fb-tl__dot{position:absolute;left:0;top:34px;width:12px;height:12px;border-radius:50%;background:var(--fb-paper);border:2px solid var(--fb-ink);transition:all var(--fb-dur) var(--fb-ease)}
.fb-tl__item:hover .fb-tl__dot{background:var(--fb-lime);border-color:var(--fb-lime-deep);transform:scale(1.15)}
.fb-tl__top{display:flex;align-items:center;gap:14px;margin-bottom:8px}
.fb-tl__top .fb-num{font-size:13px}
.fb-tl__item:hover .fb-num{color:var(--fb-lime-deep);transform:translateX(2px)}
.fb-tl__time{font-size:12.5px;color:var(--fb-text-3);font-variant-numeric:tabular-nums}
.fb-tl__title{font-size:clamp(19px,2vw,23px);font-weight:700;line-height:1.35;letter-spacing:-.01em}
.fb-tl__title a:hover{color:var(--fb-lime-deep)}
.fb-tl__desc{margin-top:10px;font-size:15.5px;line-height:1.8;color:var(--fb-text-2);max-width:820px}
.fb-tl__foot{display:flex;align-items:center;gap:8px;margin-top:16px}
.fb-tl__arrow{margin-left:auto;font-size:18px;color:var(--fb-text-3);transition:all var(--fb-dur) var(--fb-ease)}
.fb-tl__item:hover .fb-tl__arrow{color:var(--fb-lime-deep);transform:translateX(4px)}

/* ---------- 卡片 ---------- */
.fb-grid{margin-left:-12px;margin-right:-12px}
.fb-grid>.columns{padding-left:12px;padding-right:12px}
.fb-card{display:flex;flex-direction:column;background:var(--fb-white);border:1px solid var(--fb-border);border-radius:var(--fb-r-card);overflow:hidden;box-shadow:var(--fb-sh);transition:all var(--fb-dur) var(--fb-ease)}
.fb-card:hover{border-color:var(--fb-lime);box-shadow:var(--fb-sh-h);transform:translateY(-4px)}
.fb-card__media{overflow:hidden;aspect-ratio:16/9;background:var(--fb-mist)}
.fb-card__media img{width:100%;height:100%;object-fit:cover;transition:transform 200ms var(--fb-ease)}
.fb-card:hover .fb-card__media img{transform:scale(1.03)}
.fb-card__body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.fb-card__title{font-size:19px;font-weight:700;line-height:1.4}
.fb-card__title a:hover{color:var(--fb-lime-deep)}
.fb-card__desc{font-size:14.8px;line-height:1.75;color:var(--fb-text-2)}
.fb-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--fb-text-3)}
.fb-card__foot .fb-arrow{transition:transform var(--fb-dur) var(--fb-ease);color:var(--fb-text-3);font-size:17px}
.fb-card:hover .fb-card__foot .fb-arrow{color:var(--fb-lime-deep);transform:translateX(4px)}

/* ---------- CTA ---------- */
.fb-cta{background:var(--fb-ink);padding:64px 0}
.fb-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.fb-cta h2{font-size:clamp(22px,2.6vw,32px);color:#fff;font-weight:800}
.fb-cta p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.68);max-width:560px}
.fb-cta__btns{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.fb-footer{background:var(--fb-ink);color:rgba(255,255,255,.72);padding:0 0 40px}
.fb-sub{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:56px 0 48px;border-bottom:1px solid rgba(255,255,255,.12);flex-wrap:wrap}
.fb-sub h2{font-size:24px;color:#fff;font-weight:700}
.fb-sub p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.62);max-width:520px}
.fb-sub__form{position:relative;display:flex;gap:12px;align-items:flex-start}
.fb-sub__form input{width:290px;min-height:46px;padding:0 14px;border-radius:var(--fb-r-btn);border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);color:#fff;transition:all var(--fb-dur) var(--fb-ease)}
.fb-sub__form input::placeholder{color:rgba(255,255,255,.4)}
.fb-sub__form input:focus{background:#fff;color:var(--fb-ink);border-color:var(--fb-lime);outline:2px solid rgba(196,240,66,.55);outline-offset:2px}
.fb-sub__err{position:absolute;left:0;top:100%;margin-top:8px;font-size:13px;color:#FF9B7A;display:none}
.fb-sub__form.is-error input{border-color:#FF9B7A}
.fb-sub__form.is-error .fb-sub__err{display:block}
.fb-footer .fb-btn--dark{background:var(--fb-lime);border-color:var(--fb-lime);color:var(--fb-ink)}
.fb-footer .fb-btn--dark:hover{background:#fff;border-color:#fff}
.fb-footer__cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:0;padding:48px 0 40px;border-bottom:1px solid rgba(255,255,255,.12)}
.fb-footer__col{padding:0 28px;border-left:1px solid rgba(255,255,255,.08)}
.fb-footer__col:first-child{padding-left:0;border-left:0}
.fb-footer__col:last-child{padding-right:0}
.fb-footer__brand{display:flex;align-items:center;gap:10px;font-size:16.5px;font-weight:800;color:#fff;margin-bottom:16px}
.fb-footer .fb-logo__arc{border-color:#fff;border-right-color:transparent;border-top-color:transparent}
.fb-footer .fb-logo__block{background:var(--fb-lime)}
.fb-footer__col p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.6)}
.fb-footer__h{font-size:11.5px;font-weight:700;letter-spacing:.14em;color:rgba(255,255,255,.5);margin-bottom:16px}
.fb-footer__link{display:block;font-size:14.5px;color:rgba(255,255,255,.75);padding:5px 0}
.fb-footer__link:hover{color:var(--fb-lime);transform:translateX(2px)}
.fb-footer__bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:28px;font-size:13.5px;color:rgba(255,255,255,.5);flex-wrap:wrap}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .fb-nav{position:fixed;top:0;right:0;bottom:0;width:min(330px,86vw);flex-direction:column;align-items:stretch;gap:0;padding:84px 24px 32px;background:var(--fb-white);box-shadow:var(--fb-sh-h);transform:translateX(102%);transition:transform var(--fb-dur) var(--fb-ease);z-index:90;overflow-y:auto}
  body.is-nav-open .fb-nav{transform:translateX(0)}
  .fb-nav__link{height:auto;padding:16px 0;font-size:16.5px;border-bottom:1px solid var(--fb-line);justify-content:space-between}
  .fb-nav__link::after{display:none}
  .fb-burger{display:inline-flex}
  .fb-mega{display:none}
  .fb-footer__cols{grid-template-columns:1fr 1fr;gap:32px 0}
  .fb-footer__col{padding:0 20px}
  .fb-footer__col:nth-child(odd){padding-left:0;border-left:0}
  .fb-section{padding:72px 0}
}
@media (max-width:900px){
  .fb-cat__inner{flex-direction:column;align-items:flex-start;padding-top:56px;padding-bottom:44px}
  .fb-cat__side{flex-direction:row;gap:16px;padding-bottom:0}
  .fb-cat__side span{writing-mode:horizontal-tb;border-left:0;border-top:1px solid rgba(255,255,255,.25);padding:8px 0 0}
}
@media (max-width:639px){
  body{font-size:16px;line-height:1.8}
  .fb-container{padding:0 20px}
  .fb-header__inner{height:60px;gap:14px}
  .fb-logo__text{font-size:15.5px}
  .fb-header__actions .fb-btn{display:none}
  .fb-mega-trigger{padding:0 10px;font-size:13px}
  .fb-section{padding:56px 0}
  .fb-section--tight{padding:48px 0}
  .fb-grid>.columns{margin-bottom:20px}
  .fb-grid>.columns:last-child{margin-bottom:0}
  .fb-tl__item{padding:22px 0 22px 40px}
  .fb-tl__desc{font-size:15px}
  .fb-tl__foot{flex-wrap:wrap;gap:6px}
  .fb-tl__arrow{display:none}
  .fb-sub{padding:40px 0 36px;gap:24px}
  .fb-sub__form{width:100%;flex-wrap:wrap}
  .fb-sub__form input{width:100%}
  .fb-sub__form .fb-btn{width:100%}
  .fb-sub__err{position:static;margin-top:2px}
  .fb-footer__cols{grid-template-columns:1fr;gap:32px;padding:36px 0}
  .fb-footer__col{padding:0;border-left:0}
  .fb-footer__bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .fb-cta{padding:48px 0}
  .fb-cta__btns{width:100%}
  .fb-cta__btns .fb-btn{flex:1 1 auto}
}