/* roulang page: index */
:root{
  --fbs-ink:#10150F;
  --fbs-ink-2:#1B231C;
  --fbs-paper:#F4F5F0;
  --fbs-paper-2:#E8EAE2;
  --fbs-line:#D6DACD;
  --fbs-muted:#6B7368;
  --fbs-accent:#C6F24E;
  --fbs-accent-ink:#10150F;
  --fbs-flag:#FF5A2B;
  --fbs-success:#2E7D5B;
  --fbs-error:#C0392B;
  --fbs-white:#FFFFFF;
  --fbs-font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --fbs-font-num:"Barlow Semi Condensed","Roboto Condensed",ui-monospace,"SFMono-Regular",Menlo,monospace;
  --fbs-r-card:16px;
  --fbs-r-img:14px;
  --fbs-r-btn:10px;
  --fbs-r-pill:999px;
  --fbs-shadow-1:0 1px 2px rgba(16,21,15,.06),0 8px 24px -12px rgba(16,21,15,.18);
  --fbs-shadow-2:0 2px 4px rgba(16,21,15,.08),0 16px 40px -16px rgba(16,21,15,.28);
  --fbs-ease:cubic-bezier(.22,.61,.36,1);
  --fbs-section:112px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--fbs-font);
  font-size:16px;
  line-height:1.8;
  color:var(--fbs-ink);
  background:var(--fbs-paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
strong{font-weight:700;}
:focus-visible{outline:2px solid var(--fbs-accent);outline-offset:3px;border-radius:4px;}

/* Foundation 覆盖 */
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;margin-left:auto;margin-right:auto;}
body,.grid-container,h1,h2,h3,h4,p,li,td{font-family:var(--fbs-font);}
a:hover,a:focus{color:inherit;}
.grid-x{display:flex;flex-flow:row wrap;}
.fbs-num{font-family:var(--fbs-font-num);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}

/* ---------- 顶部公告条 ---------- */
.fbs-notice{background:var(--fbs-ink);color:rgba(255,255,255,.86);font-size:13.5px;}
.fbs-notice.is-hidden{display:none;}
.fbs-notice-inner{display:flex;align-items:center;gap:14px;min-height:44px;padding-top:6px;padding-bottom:6px;}
.fbs-notice-dot{width:8px;height:8px;border-radius:50%;background:var(--fbs-accent);flex:0 0 auto;box-shadow:0 0 0 0 rgba(198,242,78,.6);animation:fbsPulse 2.4s infinite;}
@keyframes fbsPulse{
  0%{box-shadow:0 0 0 0 rgba(198,242,78,.55);}
  70%{box-shadow:0 0 0 9px rgba(198,242,78,0);}
  100%{box-shadow:0 0 0 0 rgba(198,242,78,0);}
}
.fbs-notice-text{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.fbs-notice-clock{font-family:var(--fbs-font-num);font-variant-numeric:tabular-nums;color:var(--fbs-accent);font-weight:600;letter-spacing:.04em;}
.fbs-notice-close{background:none;border:0;padding:6px 8px;cursor:pointer;color:rgba(255,255,255,.6);font-size:16px;line-height:1;border-radius:6px;transition:color .18s var(--fbs-ease),background .18s var(--fbs-ease);}
.fbs-notice-close:hover{color:#fff;background:rgba(255,255,255,.1);}

/* ---------- 导航 ---------- */
.fbs-header{position:sticky;top:0;z-index:60;background:rgba(244,245,240,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:border-color .2s var(--fbs-ease),box-shadow .2s var(--fbs-ease);}
.fbs-header.is-scrolled{border-bottom-color:var(--fbs-line);box-shadow:0 4px 18px -14px rgba(16,21,15,.4);}
.fbs-header-inner{display:flex;align-items:center;height:64px;gap:18px;}
.fbs-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.fbs-logo-mark{width:32px;height:32px;border-radius:9px;background:var(--fbs-ink);display:inline-flex;align-items:flex-end;justify-content:center;gap:3px;padding:7px;flex:0 0 auto;}
.fbs-logo-mark i{display:block;width:3px;border-radius:2px;background:var(--fbs-accent);}
.fbs-logo-mark i:nth-child(1){height:7px;}
.fbs-logo-mark i:nth-child(2){height:15px;}
.fbs-logo-mark i:nth-child(3){height:11px;}
.fbs-logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.fbs-nav{display:flex;align-items:center;gap:2px;margin:0 auto;}
.fbs-nav a{position:relative;display:inline-block;padding:8px 11px;font-size:14px;color:#3B433A;border-radius:8px;transition:color .18s var(--fbs-ease),background .18s var(--fbs-ease);}
.fbs-nav a::after{content:"";position:absolute;left:11px;bottom:3px;height:2px;width:0;background:var(--fbs-accent);border-radius:2px;transition:width .26s var(--fbs-ease);}
.fbs-nav a:hover{color:var(--fbs-ink);background:var(--fbs-paper-2);}
.fbs-nav a:hover::after{width:calc(100% - 22px);}
.fbs-nav a.is-active{color:var(--fbs-ink);font-weight:700;}
.fbs-nav a.is-active::after{width:calc(100% - 22px);}
.fbs-header-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.fbs-search{position:relative;display:flex;align-items:center;width:196px;height:40px;padding:0 12px;border:1px solid var(--fbs-line);border-radius:var(--fbs-r-pill);background:#fff;transition:width .26s var(--fbs-ease),border-color .18s var(--fbs-ease),box-shadow .18s var(--fbs-ease);}
.fbs-search:focus-within{width:228px;border-color:var(--fbs-accent);box-shadow:0 0 0 3px rgba(198,242,78,.35);}
.fbs-search-icon{color:var(--fbs-muted);font-size:15px;line-height:1;flex:0 0 auto;}
.fbs-search input{width:100%;border:0;background:transparent;outline:none;font-size:14px;padding:0 8px;}
.fbs-search input::placeholder{color:var(--fbs-muted);}
.fbs-kbd{font-family:var(--fbs-font-num);font-size:11px;letter-spacing:.06em;color:var(--fbs-muted);background:var(--fbs-paper);border:1px solid var(--fbs-line);border-radius:6px;padding:1px 6px;transition:opacity .18s var(--fbs-ease);}
.fbs-search:focus-within .fbs-kbd{opacity:0;}
.fbs-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border:1px solid var(--fbs-line);border-radius:10px;background:#fff;color:var(--fbs-ink);transition:border-color .18s var(--fbs-ease),background .18s var(--fbs-ease),transform .18s var(--fbs-ease);}
.fbs-icon-btn:hover{border-color:var(--fbs-accent);background:rgba(198,242,78,.22);transform:translateY(-1px);}
.fbs-burger{display:none;width:40px;height:40px;border:1px solid var(--fbs-line);border-radius:10px;background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0;}
.fbs-burger span{display:block;width:16px;height:2px;background:var(--fbs-ink);border-radius:2px;}

/* ---------- 按钮 ---------- */
.fbs-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border:1px solid transparent;border-radius:var(--fbs-r-btn);font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .2s var(--fbs-ease),color .2s var(--fbs-ease),border-color .2s var(--fbs-ease),transform .2s var(--fbs-ease),box-shadow .2s var(--fbs-ease);}
.fbs-btn .fbs-arrow{display:inline-block;transition:transform .2s var(--fbs-ease);}
.fbs-btn:hover .fbs-arrow{transform:translateX(4px);}
.fbs-btn-primary{background:var(--fbs-accent);color:var(--fbs-accent-ink);}
.fbs-btn-primary:hover{background:#B7E63F;transform:translateY(-1px);box-shadow:var(--fbs-shadow-2);}
.fbs-btn-primary:active{transform:translateY(0);background:#A9DA33;}
.fbs-btn-ghost{background:transparent;color:var(--fbs-ink);border-color:var(--fbs-line);}
.fbs-btn-ghost:hover{border-color:var(--fbs-accent);background:rgba(198,242,78,.22);}
.fbs-btn-dark{background:var(--fbs-ink);color:#fff;}
.fbs-btn-dark:hover{background:#222B23;transform:translateY(-1px);}
.fbs-btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.3);}
.fbs-btn-outline-light:hover{border-color:var(--fbs-accent);background:rgba(198,242,78,.16);color:#fff;}
.fbs-btn-sm{height:38px;padding:0 16px;font-size:14px;}
.fbs-btn-block{width:100%;}

/* ---------- 通用排版 ---------- */
.fbs-section{padding:var(--fbs-section) 0;}
.fbs-section--dark{background:var(--fbs-ink);color:#fff;}
.fbs-section--dim{background:var(--fbs-ink-2);color:#fff;}
.fbs-section--alt{background:var(--fbs-paper-2);}
.fbs-eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--fbs-font-num);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--fbs-muted);margin-bottom:14px;}
.fbs-section--dark .fbs-eyebrow,.fbs-section--dim .fbs-eyebrow{color:rgba(255,255,255,.58);}
.fbs-eyebrow::before{content:"";width:20px;height:2px;background:var(--fbs-accent);border-radius:2px;}
.fbs-h2{position:relative;padding-left:18px;font-size:clamp(28px,3.4vw,42px);font-weight:700;line-height:1.15;letter-spacing:-.015em;}
.fbs-h2::before{content:"";position:absolute;left:0;top:.16em;width:6px;height:1em;border-radius:3px;background:var(--fbs-accent);}
.fbs-h3{font-size:20px;font-weight:600;line-height:1.35;letter-spacing:-.01em;}
.fbs-lead{max-width:660px;margin-top:18px;font-size:17px;line-height:1.85;color:var(--fbs-muted);}
.fbs-section--dark .fbs-lead,.fbs-section--dim .fbs-lead{color:rgba(255,255,255,.66);}
.fbs-head{margin-bottom:44px;}
.fbs-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.fbs-text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--fbs-ink);}
.fbs-text-link span{transition:transform .2s var(--fbs-ease);}
.fbs-text-link:hover span{transform:translateX(4px);}
.fbs-text-link::after{display:none;}
.fbs-underline{position:relative;}
.fbs-underline::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:1.5px;background:var(--fbs-accent);transition:width .28s var(--fbs-ease);}
.fbs-underline:hover::after{width:100%;}
.fbs-badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--fbs-r-pill);font-size:12px;letter-spacing:.02em;border:1px solid var(--fbs-line);color:var(--fbs-muted);background:#fff;}
.fbs-badge--accent{background:var(--fbs-accent);border-color:var(--fbs-accent);color:var(--fbs-accent-ink);font-weight:600;}
.fbs-badge--ghost-light{border-color:rgba(255,255,255,.26);color:rgba(255,255,255,.8);background:transparent;}
.fbs-tag{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:8px;font-size:12.5px;background:var(--fbs-paper-2);color:#4A5249;}
.fbs-reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--fbs-ease),transform .55s var(--fbs-ease);}
.fbs-reveal.is-in{opacity:1;transform:none;}

/* ---------- Hero ---------- */
.fbs-hero{position:relative;background:var(--fbs-ink);color:#fff;overflow:hidden;}
.fbs-hero::before{content:"";position:absolute;top:-160px;right:-140px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(198,242,78,.16),transparent 68%);pointer-events:none;}
.fbs-hero-inner{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;padding-top:84px;padding-bottom:80px;}
.fbs-hero-title{font-size:clamp(38px,5.6vw,72px);font-weight:800;line-height:1.06;letter-spacing:-.02em;}
.fbs-hero-title em{font-style:normal;color:var(--fbs-accent);}
.fbs-hero-sub{margin-top:22px;max-width:560px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.72);}
.fbs-hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.fbs-hero-stats{display:flex;flex-wrap:wrap;gap:38px;margin-top:52px;padding-top:28px;border-top:1px solid rgba(255,255,255,.14);}
.fbs-stat-num{font-family:var(--fbs-font-num);font-size:42px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.fbs-stat-num em{font-style:normal;font-size:20px;color:var(--fbs-accent);margin-left:2px;}
.fbs-stat-label{margin-top:8px;font-size:13px;color:rgba(255,255,255,.55);letter-spacing:.02em;}
.fbs-hero-media{position:relative;border-radius:20px;overflow:hidden;border:1px solid rgba(255,255,255,.12);aspect-ratio:4/3.3;box-shadow:0 30px 70px -40px rgba(0,0,0,.9);}
.fbs-hero-media img{width:100%;height:100%;object-fit:cover;}
.fbs-hero-media::after{content:"";position:absolute;inset:0;background:rgba(16,21,15,.3);}
.fbs-hero-float{position:absolute;left:18px;right:18px;bottom:18px;z-index:2;display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:14px;background:rgba(16,21,15,.72);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.14);}
.fbs-hero-float .fbs-num{font-family:var(--fbs-font-num);font-size:26px;font-weight:700;color:var(--fbs-accent);line-height:1;font-variant-numeric:tabular-nums;}
.fbs-hero-float p{font-size:13px;color:rgba(255,255,255,.72);line-height:1.5;}

/* ---------- 能力区 ---------- */
.fbs-cap{display:grid;grid-template-columns:.92fr 1.08fr;gap:56px;align-items:start;}
.fbs-cap-figure{border-radius:var(--fbs-r-card);overflow:hidden;border:1px solid var(--fbs-line);box-shadow:var(--fbs-shadow-1);}
.fbs-cap-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.fbs-cap-caption{padding:20px 22px;background:#fff;border-top:1px solid var(--fbs-line);}
.fbs-cap-caption h3{font-size:19px;font-weight:600;margin-bottom:6px;}
.fbs-cap-caption p{font-size:14.5px;color:var(--fbs-muted);line-height:1.75;}
.fbs-cap-list{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.fbs-cap-item{background:#fff;border:1px solid var(--fbs-line);border-radius:var(--fbs-r-card);padding:24px 22px;transition:transform .22s var(--fbs-ease),border-color .22s var(--fbs-ease),box-shadow .22s var(--fbs-ease);}
.fbs-cap-item:hover{transform:translateY(-3px);border-color:var(--fbs-accent);box-shadow:var(--fbs-shadow-2);}
.fbs-cap-index{font-family:var(--fbs-font-num);font-size:14px;letter-spacing:.1em;color:var(--fbs-muted);}
.fbs-cap-item h3{margin-top:10px;font-size:18px;font-weight:600;}
.fbs-cap-item p{margin-top:10px;font-size:14.5px;line-height:1.75;color:var(--fbs-muted);}

/* ---------- 时间线 ---------- */
.fbs-timeline{position:relative;margin-top:44px;}
.fbs-timeline::before{content:"";position:absolute;left:104px;top:14px;bottom:14px;width:2px;background:var(--fbs-line);}
.fbs-tl-item{position:relative;display:grid;grid-template-columns:104px 1fr;gap:38px;padding:16px 0;}
.fbs-tl-time{padding-top:12px;text-align:right;font-family:var(--fbs-font-num);font-size:22px;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
.fbs-tl-dot{position:absolute;left:97px;top:26px;width:16px;height:16px;border-radius:50%;background:var(--fbs-paper);border:2px solid var(--fbs-line);transition:background .35s var(--fbs-ease),border-color .35s var(--fbs-ease);}
.fbs-tl-item.is-in .fbs-tl-dot{background:var(--fbs-accent);border-color:var(--fbs-accent);animation:fbsDot .4s var(--fbs-ease);}
@keyframes fbsDot{0%{transform:scale(.7);}60%{transform:scale(1.18);}100%{transform:scale(1);}}
.fbs-tl-card{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px 22px;background:#fff;border:1px solid var(--fbs-line);border-radius:var(--fbs-r-card);transition:background .22s var(--fbs-ease),border-color .22s var(--fbs-ease),transform .22s var(--fbs-ease),box-shadow .22s var(--fbs-ease);}
.fbs-tl-item:hover .fbs-tl-card{background:var(--fbs-paper-2);border-color:var(--fbs-accent);transform:translateY(-2px);box-shadow:var(--fbs-shadow-1);}
.fbs-tl-main{min-width:0;}
.fbs-tl-main h3{font-size:18px;font-weight:600;}
.fbs-tl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px;align-items:center;}
.fbs-tl-place{font-size:13.5px;color:var(--fbs-muted);}
.fbs-tl-action{flex:0 0 auto;}

/* ---------- 看点卡 ---------- */
.fbs-spot{padding:0 0 4px;}
.fbs-spot-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--fbs-line);border-radius:var(--fbs-r-card);overflow:hidden;transition:transform .22s var(--fbs-ease),border-color .22s var(--fbs-ease),box-shadow .22s var(--fbs-ease);}
.fbs-spot-card:hover{transform:translateY(-3px);border-color:var(--fbs-accent);box-shadow:var(--fbs-shadow-2);}
.fbs-spot-media{overflow:hidden;aspect-ratio:16/10;background:var(--fbs-paper-2);}
.fbs-spot-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--fbs-ease);}
.fbs-spot-card:hover .fbs-spot-media img{transform:scale(1.03);}
.fbs-spot-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.fbs-spot-body h3{font-size:18px;font-weight:600;line-height:1.4;}
.fbs-spot-body p{font-size:14.5px;color:var(--fbs-muted);line-height:1.75;flex:1 1 auto;}
.fbs-spot-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;border-top:1px solid var(--fbs-line);}
.fbs-spot-score{font-family:var(--fbs-font-num);font-size:18px;font-weight:700;font-variant-numeric:tabular-nums;}

/* ---------- 票种 ---------- */
.fbs-plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:8px;}
.fbs-plan{position:relative;display:flex;flex-direction:column;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);border-radius:var(--fbs-r-card);padding:30px 26px 28px;transition:transform .24s var(--fbs-ease),border-color .24s var(--fbs-ease),background .24s var(--fbs-ease);}
.fbs-plan:hover{transform:translateY(-4px);border-color:rgba(198,242,78,.6);background:rgba(255,255,255,.07);}
.fbs-plan--rec{border-color:var(--fbs-accent);background:rgba(198,242,78,.07);transform:scale(1.02);}
.fbs-plan--rec:hover{transform:scale(1.02) translateY(-4px);}
.fbs-plan-flag{position:absolute;top:-12px;left:26px;height:24px;padding:0 12px;display:inline-flex;align-items:center;border-radius:var(--fbs-r-pill);background:var(--fbs-accent);color:var(--fbs-accent-ink);font-size:12px;font-weight:700;}
.fbs-plan-name{font-size:19px;font-weight:600;}
.fbs-plan-price{margin-top:16px;font-family:var(--fbs-font-num);font-size:46px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums;color:#fff;}
.fbs-plan-price em{font-style:normal;font-size:16px;font-weight:500;color:rgba(255,255,255,.6);margin-left:6px;}
.fbs-plan-seat{margin-top:10px;font-size:13.5px;color:rgba(255,255,255,.6);}
.fbs-plan-seat b{color:var(--fbs-flag);font-weight:700;font-family:var(--fbs-font-num);font-variant-numeric:tabular-nums;}
.fbs-plan-list{margin-top:22px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.fbs-plan-list li{display:flex;gap:10px;font-size:14.5px;line-height:1.7;color:rgba(255,255,255,.82);}
.fbs-plan-list li::before{content:"";flex:0 0 auto;width:16px;height:16px;margin-top:5px;border-radius:50%;background:rgba(198,242,78,.16);border:1px solid var(--fbs-accent);background-image:linear-gradient(45deg,transparent 44%,var(--fbs-accent) 44%,var(--fbs-accent) 56%,transparent 56%),linear-gradient(-45deg,transparent 44%,var(--fbs-accent) 44%,var(--fbs-accent) 56%,transparent 56%);background-size:9px 9px;background-position:center;background-repeat:no-repeat;}
.fbs-plan .fbs-btn{margin-top:26px;}

/* ---------- 报名表单 ---------- */
.fbs-signup{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:start;}
.fbs-signup-points{display:flex;flex-direction:column;gap:22px;margin-top:30px;}
.fbs-signup-point{display:flex;gap:16px;align-items:flex-start;}
.fbs-signup-point span.fbs-num{flex:0 0 auto;font-family:var(--fbs-font-num);font-size:15px;font-weight:700;width:38px;height:38px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;background:rgba(198,242,78,.14);border:1px solid rgba(198,242,78,.5);color:var(--fbs-accent);}
.fbs-signup-point h3{font-size:17px;font-weight:600;}
.fbs-signup-point p{margin-top:6px;font-size:14.5px;line-height:1.75;color:rgba(255,255,255,.64);}
.fbs-form-card{background:#fff;color:var(--fbs-ink);border-radius:18px;padding:32px 30px 30px;box-shadow:0 30px 70px -40px rgba(0,0,0,.85);}
.fbs-form-card h3{font-size:22px;font-weight:700;letter-spacing:-.01em;}
.fbs-form-card > p{margin-top:8px;font-size:14.5px;color:var(--fbs-muted);}
.fbs-form{margin-top:24px;}
.fbs-field{display:block;margin-bottom:16px;}
.fbs-field > span{display:block;margin-bottom:7px;font-size:13px;font-weight:600;color:#3B433A;letter-spacing:.01em;}
.fbs-input{width:100%;height:48px;padding:0 14px;font-size:15px;background:#fff;border:1px solid var(--fbs-line);border-radius:10px;transition:border-color .18s var(--fbs-ease),box-shadow .18s var(--fbs-ease);}
.fbs-input::placeholder{color:#9AA296;}
.fbs-input:focus{outline:none;border-color:var(--fbs-accent);box-shadow:0 0 0 3px rgba(198,242,78,.38);}
textarea.fbs-input{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
select.fbs-input{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%236B7368' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;}
.fbs-field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.fbs-form-hint{margin-top:14px;font-size:12.5px;color:var(--fbs-muted);line-height:1.7;}
.fbs-form-ok{display:none;margin-top:16px;padding:12px 14px;border:1px solid rgba(46,125,91,.45);background:rgba(46,125,91,.08);border-radius:10px;font-size:13.5px;color:var(--fbs-success);}
.fbs-form-ok.is-show{display:block;}

/* ---------- 资讯列表 ---------- */
.fbs-news-grid{padding:0;}
.fbs-news-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--fbs-line);border-radius:var(--fbs-r-card);overflow:hidden;transition:transform .22s var(--fbs-ease),border-color .22s var(--fbs-ease),box-shadow .22s var(--fbs-ease);}
.fbs-news-card:hover{transform:translateY(-3px);border-color:var(--fbs-accent);box-shadow:var(--fbs-shadow-2);}
.fbs-news-media{display:block;overflow:hidden;aspect-ratio:16/9;background:var(--fbs-paper-2);}
.fbs-news-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--fbs-ease);}
.fbs-news-card:hover .fbs-news-media img{transform:scale(1.03);}
.fbs-news-body{display:flex;flex-direction:column;gap:12px;padding:20px;flex:1 1 auto;}
.fbs-news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--fbs-muted);font-family:var(--fbs-font-num);font-variant-numeric:tabular-nums;}
.fbs-news-body h3{font-size:17.5px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.fbs-news-body h3 a:hover{color:#2C3A2E;}
.fbs-news-body p{font-size:14px;line-height:1.75;color:var(--fbs-muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1 1 auto;}
.fbs-news-empty{border:1px dashed var(--fbs-line);border-radius:var(--fbs-r-card);background:#fff;padding:48px 28px;text-align:center;}
.fbs-news-empty h3{font-size:18px;font-weight:600;}
.fbs-news-empty p{margin-top:10px;font-size:14.5px;color:var(--fbs-muted);}
.fbs-news-empty .fbs-btn{margin-top:20px;}

/* ---------- 合作墙 ---------- */
.fbs-partners{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-top:8px;}
.fbs-partner{display:flex;align-items:center;justify-content:center;height:84px;border:1px solid var(--fbs-line);border-radius:12px;background:#fff;font-weight:700;font-size:15px;letter-spacing:.02em;color:#8D9588;filter:grayscale(1);transition:filter .24s var(--fbs-ease),color .24s var(--fbs-ease),border-color .24s var(--fbs-ease),transform .24s var(--fbs-ease);}
.fbs-partner:hover{filter:grayscale(0);color:var(--fbs-ink);border-color:var(--fbs-accent);transform:translateY(-2px);}

/* ---------- FAQ ---------- */
.fbs-faq{max-width:880px;margin-top:8px;}
.fbs-faq details{border:1px solid var(--fbs-line);border-radius:var(--fbs-r-card);background:#fff;margin-bottom:14px;overflow:hidden;transition:border-color .22s var(--fbs-ease);}
.fbs-faq details[open]{border-color:var(--fbs-accent);}
.fbs-faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;padding:0 24px;font-size:16.5px;font-weight:600;line-height:1.6;}
.fbs-faq summary::-webkit-details-marker{display:none;}
.fbs-faq summary::after{content:"+";flex:0 0 auto;font-family:var(--fbs-font-num);font-size:22px;font-weight:500;color:var(--fbs-muted);transition:transform .2s var(--fbs-ease),color .2s var(--fbs-ease);}
.fbs-faq details[open] summary::after{content:"+";transform:rotate(45deg);color:var(--fbs-ink);}
.fbs-faq-body{padding:0 24px 22px;}
.fbs-faq-body p{font-size:15px;line-height:1.85;color:var(--fbs-muted);background:var(--fbs-paper-2);border-radius:12px;padding:16px 18px;margin:0;}

/* ---------- 页脚 ---------- */
.fbs-footer{background:var(--fbs-ink);color:rgba(255,255,255,.7);border-top:1px solid rgba(255,255,255,.1);}
.fbs-footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding:72px 0 52px;}
.fbs-footer .fbs-logo-text{color:#fff;}
.fbs-footer-about{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.58);max-width:320px;}
.fbs-footer h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.02em;margin-bottom:18px;}
.fbs-footer-col ul{display:flex;flex-direction:column;gap:11px;}
.fbs-footer-col a{font-size:14px;color:rgba(255,255,255,.68);transition:color .18s var(--fbs-ease);}
.fbs-footer-col a:hover{color:var(--fbs-accent);}
.fbs-footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.68);}
.fbs-footer-contact .fbs-num{color:var(--fbs-accent);font-family:var(--fbs-font-num);font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;}
.fbs-footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:22px 0;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.5);}
.fbs-totop{display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 14px;border:1px solid rgba(255,255,255,.2);border-radius:var(--fbs-r-pill);background:transparent;color:rgba(255,255,255,.8);font-size:13px;cursor:pointer;transition:border-color .18s var(--fbs-ease),color .18s var(--fbs-ease),background .18s var(--fbs-ease);}
.fbs-totop:hover{border-color:var(--fbs-accent);color:var(--fbs-accent);background:rgba(198,242,78,.08);}

/* ---------- 移动抽屉 / 底条 ---------- */
.fbs-drawer{position:fixed;inset:0;z-index:90;background:var(--fbs-ink);color:#fff;padding:20px 20px 28px;display:flex;flex-direction:column;opacity:0;visibility:hidden;transition:opacity .24s var(--fbs-ease),visibility .24s var(--fbs-ease);overflow-y:auto;}
.fbs-drawer.is-open{opacity:1;visibility:visible;}
.fbs-drawer-head{display:flex;align-items:center;justify-content:space-between;height:48px;}
.fbs-drawer-close{width:40px;height:40px;border:1px solid rgba(255,255,255,.24);border-radius:10px;background:transparent;color:#fff;font-size:18px;line-height:1;cursor:pointer;transition:border-color .18s var(--fbs-ease),color .18s var(--fbs-ease);}
.fbs-drawer-close:hover{border-color:var(--fbs-accent);color:var(--fbs-accent);}
.fbs-drawer-nav{margin-top:28px;flex:1 1 auto;}
.fbs-drawer-nav a{display:block;font-size:20px;font-weight:600;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.1);opacity:0;transform:translateY(8px);transition:opacity .3s var(--fbs-ease),transform .3s var(--fbs-ease),color .18s var(--fbs-ease);}
.fbs-drawer-nav a:hover,.fbs-drawer-nav a.is-active{color:var(--fbs-accent);}
.fbs-drawer.is-open .fbs-drawer-nav a{opacity:1;transform:none;}
.fbs-drawer-foot{margin-top:28px;}
.fbs-mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:80;display:none;gap:12px;padding:12px 16px;background:rgba(244,245,240,.96);backdrop-filter:blur(12px);border-top:1px solid var(--fbs-line);}
.fbs-mobile-bar .fbs-btn{flex:1 1 0;height:48px;}

/* ---------- 断点 ---------- */
@media (max-width:1199px){
  .fbs-nav a{padding:8px 8px;font-size:13.5px;}
  .fbs-search{width:172px;}
  .fbs-search:focus-within{width:200px;}
}
@media (max-width:1023px){
  :root{--fbs-section:72px;}
  .grid-container{padding-left:24px;padding-right:24px;}
  .fbs-nav,.fbs-search,.fbs-icon-btn{display:none;}
  .fbs-burger{display:inline-flex;}
  .fbs-header-inner{justify-content:space-between;}
  body{padding-bottom:76px;}
  .fbs-mobile-bar{display:flex;}
  .fbs-hero-inner{grid-template-columns:1fr;gap:40px;padding-top:60px;padding-bottom:60px;}
  .fbs-hero-media{order:2;aspect-ratio:16/10;}
  .fbs-hero-stats{gap:28px;}
  .fbs-stat-num{font-size:34px;}
  .fbs-cap{grid-template-columns:1fr;gap:32px;}
  .fbs-signup{grid-template-columns:1fr;gap:36px;}
  .fbs-plans{grid-template-columns:1fr;gap:20px;}
  .fbs-plan--rec{transform:none;}
  .fbs-plan--rec:hover{transform:translateY(-4px);}
  .fbs-partners{grid-template-columns:repeat(3,1fr);}
  .fbs-footer-top{grid-template-columns:1fr 1fr;gap:36px;padding:56px 0 40px;}
}
@media (max-width:767px){
  .fbs-timeline::before{left:5px;}
  .fbs-tl-item{grid-template-columns:1fr;gap:10px;padding:14px 0 14px 26px;}
  .fbs-tl-time{text-align:left;padding-top:0;font-size:19px;}
  .fbs-tl-dot{left:-2px;top:22px;}
  .fbs-tl-card{flex-direction:column;align-items:flex-start;gap:16px;}
  .fbs-cap-list{grid-template-columns:1fr;}
  .fbs-field-row{grid-template-columns:1fr;}
  .fbs-head--split{align-items:flex-start;}
  .fbs-partners{grid-template-columns:repeat(2,1fr);}
  .fbs-footer-top{grid-template-columns:1fr;gap:32px;}
  .fbs-faq summary{padding:0 18px;font-size:15.5px;}
  .fbs-faq-body{padding:0 18px 18px;}
}
@media (max-width:639px){
  :root{--fbs-section:56px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .fbs-hero-title{font-size:32px;}
  .fbs-hero-stats{gap:20px;margin-top:38px;}
  .fbs-stat-num{font-size:30px;}
  .fbs-stat-label{font-size:12px;}
  .fbs-hero-cta .fbs-btn{width:100%;}
  .fbs-plan-price{font-size:40px;}
  .fbs-form-card{padding:24px 20px;}
  .fbs-spot-grid{flex-wrap:nowrap;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;padding-bottom:10px;}
  .fbs-spot-grid > .cell{flex:0 0 80%;max-width:80%;scroll-snap-align:start;}
  .fbs-notice-text{white-space:normal;line-height:1.5;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .fbs-reveal{opacity:1;transform:none;}
  .fbs-notice-dot{animation:none;}
}

/* roulang page: article */
:root{
  --fbs-ink:#10150F;
  --fbs-ink-2:#1B231C;
  --fbs-paper:#F4F5F0;
  --fbs-paper-2:#E8EAE2;
  --fbs-line:#D6DACD;
  --fbs-muted:#6B7368;
  --fbs-accent:#C6F24E;
  --fbs-accent-ink:#10150F;
  --fbs-flag:#FF5A2B;
  --fbs-success:#2E7D5B;
  --fbs-error:#C0392B;
  --fbs-font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --fbs-font-num:"Barlow Semi Condensed","Roboto Condensed",ui-monospace,monospace;
  --fbs-shadow-1:0 1px 2px rgba(16,21,15,.06),0 8px 24px -12px rgba(16,21,15,.18);
  --fbs-shadow-2:0 2px 4px rgba(16,21,15,.08),0 16px 40px -16px rgba(16,21,15,.28);
  --fbs-radius-card:16px;
  --fbs-radius-btn:10px;
  --fbs-radius-img:14px;
  --fbs-ease:cubic-bezier(.22,.61,.36,1);
  --fbs-sec:112px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--fbs-font);
  background:var(--fbs-paper);
  color:var(--fbs-ink);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.2}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1.1em}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--fbs-accent);outline-offset:3px}
.fbs-num{font-family:var(--fbs-font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}

.grid-container{max-width:1200px;padding-left:32px;padding-right:32px}
@media screen and (max-width:39.9375em){.grid-container{padding-left:20px;padding-right:20px}}

/* ---------- HEADER ---------- */
.fbs-header{
  position:sticky;top:0;z-index:60;background:rgba(244,245,240,.86);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;transition:border-color .24s var(--fbs-ease),background .24s var(--fbs-ease);
}
.fbs-header.is-scrolled{border-bottom-color:var(--fbs-line);background:rgba(244,245,240,.94)}
.fbs-header-inner{display:flex;align-items:center;gap:28px;height:64px}
.fbs-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.fbs-logo-mark{display:inline-flex;align-items:flex-end;gap:3px;height:22px}
.fbs-logo-mark i{display:block;width:4px;background:var(--fbs-ink);border-radius:2px}
.fbs-logo-mark i:nth-child(1){height:11px}
.fbs-logo-mark i:nth-child(2){height:22px;background:var(--fbs-accent)}
.fbs-logo-mark i:nth-child(3){height:16px}
.fbs-logo-text{font-size:19px;font-weight:800;letter-spacing:-.01em}
.fbs-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto}
.fbs-nav a{
  position:relative;padding:8px 12px;font-size:14.5px;color:var(--fbs-muted);border-radius:8px;
  transition:color .2s var(--fbs-ease),background .2s var(--fbs-ease);
}
.fbs-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--fbs-accent);
  transform:scaleX(0);transform-origin:left;transition:transform .26s var(--fbs-ease);
}
.fbs-nav a:hover{color:var(--fbs-ink)}
.fbs-nav a:hover::after,.fbs-nav a.is-active::after{transform:scaleX(1)}
.fbs-nav a.is-active{color:var(--fbs-ink);font-weight:600}
.fbs-header-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.fbs-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 10px 0 12px;
  border:1px solid var(--fbs-line);border-radius:999px;background:#fff;
  transition:border-color .22s var(--fbs-ease),box-shadow .22s var(--fbs-ease),width .22s var(--fbs-ease);
  width:220px;
}
.fbs-search-icon{color:var(--fbs-muted);font-size:15px}
.fbs-search input{
  border:0;outline:0;background:transparent;font-size:13.5px;width:100%;color:var(--fbs-ink);
  font-family:inherit;height:auto;margin:0;
}
.fbs-search input::placeholder{color:#98A093}
.fbs-kbd{
  font-family:var(--fbs-font-num);font-size:11px;color:var(--fbs-muted);
  border:1px solid var(--fbs-line);border-radius:6px;padding:1px 5px;background:var(--fbs-paper-2);
  transition:opacity .2s var(--fbs-ease);
}
.fbs-search.is-focus{border-color:var(--fbs-accent);box-shadow:0 0 0 3px rgba(198,242,78,.35);width:236px}
.fbs-search.is-focus .fbs-kbd{opacity:0}
.fbs-icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--fbs-line);border-radius:999px;background:#fff;font-size:15px;
  transition:border-color .2s var(--fbs-ease),transform .2s var(--fbs-ease);
}
.fbs-icon-btn:hover{border-color:var(--fbs-ink);transform:translateY(-1px)}
.fbs-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--fbs-radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:all .22s var(--fbs-ease);
}
.fbs-btn-sm{height:40px;padding:0 16px;font-size:14px}
.fbs-btn-primary{background:var(--fbs-accent);color:var(--fbs-accent-ink)}
.fbs-btn-primary:hover{background:#B4E33B;box-shadow:var(--fbs-shadow-1)}
.fbs-btn-ghost{background:transparent;border-color:var(--fbs-ink);color:var(--fbs-ink)}
.fbs-btn-ghost:hover{background:var(--fbs-accent);border-color:var(--fbs-accent)}
.fbs-btn-dark{background:var(--fbs-ink);color:#fff}
.fbs-btn-dark:hover{background:var(--fbs-ink-2)}
.fbs-arrow{transition:transform .22s var(--fbs-ease)}
.fbs-btn:hover .fbs-arrow,.fbs-link:hover .fbs-arrow{transform:translateX(4px)}
.fbs-burger{display:none;width:40px;height:40px;background:transparent;border:1px solid var(--fbs-line);border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer}
.fbs-burger span{display:block;width:16px;height:2px;background:var(--fbs-ink);transition:transform .2s var(--fbs-ease)}

/* ---------- MOBILE DRAWER ---------- */
.fbs-drawer{
  position:fixed;inset:0;background:var(--fbs-ink);color:#fff;z-index:90;
  padding:80px 24px 32px;display:none;flex-direction:column;gap:6px;
}
.fbs-drawer.is-open{display:flex}
.fbs-drawer a{font-size:20px;font-weight:600;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12);opacity:0;transform:translateY(8px);animation:fbsFadeUp .4s var(--fbs-ease) forwards}
.fbs-drawer .fbs-drawer-cta{margin-top:auto}
.fbs-drawer-close{position:absolute;top:20px;right:20px;width:44px;height:44px;border-radius:999px;border:1px solid rgba(255,255,255,.3);background:transparent;color:#fff;font-size:20px;cursor:pointer}
@keyframes fbsFadeUp{to{opacity:1;transform:translateY(0)}}

/* ---------- ARTICLE HERO ---------- */
.fbs-art-hero{position:relative;background:var(--fbs-ink);color:#fff;overflow:hidden}
.fbs-art-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.42}
.fbs-art-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,21,15,.72),rgba(16,21,15,.92))}
.fbs-art-hero-inner{position:relative;z-index:2;padding:72px 0 64px;max-width:860px}
.fbs-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:22px}
.fbs-crumb a:hover{color:var(--fbs-accent)}
.fbs-crumb .sep{opacity:.5}
.fbs-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.06em;
  padding:5px 12px;border-radius:999px;border:1px solid var(--fbs-line);color:var(--fbs-muted);background:#fff;
}
.fbs-art-hero .fbs-badge{background:rgba(198,242,78,.14);border-color:rgba(198,242,78,.5);color:var(--fbs-accent)}
.fbs-art-hero h1{
  font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.12;letter-spacing:-.02em;margin:18px 0 20px;
}
.fbs-art-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13.5px;color:rgba(255,255,255,.72)}
.fbs-art-meta span i{color:var(--fbs-accent);margin-right:6px;font-size:12px}

/* ---------- ARTICLE LAYOUT ---------- */
.fbs-art-section{padding:72px 0 var(--fbs-sec)}
.fbs-art-grid{display:grid;grid-template-columns:minmax(0,780px) 320px;gap:56px;align-items:start}
.fbs-article-body{
  background:#fff;border:1px solid var(--fbs-line);border-radius:var(--fbs-radius-card);
  padding:44px 48px;box-shadow:var(--fbs-shadow-1);
  font-size:17px;line-height:1.85;color:#1d241d;
}
.fbs-article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);margin:44px 0 16px;padding-left:16px;font-weight:700;
}
.fbs-article-body h2::before{content:"";position:absolute;left:0;top:.28em;width:3px;height:1.05em;background:var(--fbs-accent);border-radius:2px}
.fbs-article-body h3{font-size:20px;margin:32px 0 12px;font-weight:600}
.fbs-article-body h2:first-child,.fbs-article-body h3:first-child{margin-top:0}
.fbs-article-body ul,.fbs-article-body ol{margin:0 0 20px;padding-left:4px}
.fbs-article-body li{position:relative;padding-left:20px;line-height:1.9;margin-bottom:8px}
.fbs-article-body li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--fbs-accent)}
.fbs-article-body blockquote{
  margin:26px 0;padding:18px 22px;background:var(--fbs-paper-2);border-left:3px solid var(--fbs-accent);
  border-radius:0 12px 12px 0;color:#333c33;
}
.fbs-article-body img{border-radius:var(--fbs-radius-img);margin:26px 0 10px}
.fbs-article-body figure{margin:26px 0}
.fbs-article-body figcaption{font-size:13px;color:var(--fbs-muted);text-align:center}
.fbs-article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px}
.fbs-article-body th,.fbs-article-body td{border:1px solid var(--fbs-line);padding:11px 14px;text-align:left}
.fbs-article-body th{background:var(--fbs-paper-2);font-weight:600}
.fbs-article-body a{color:var(--fbs-ink);border-bottom:2px solid var(--fbs-accent)}
.fbs-art-empty{
  background:#fff;border:1px dashed var(--fbs-line);border-radius:var(--fbs-radius-card);
  padding:64px 32px;text-align:center;box-shadow:var(--fbs-shadow-1);
}
.fbs-art-empty h2{font-size:24px;margin-bottom:12px}
.fbs-art-empty p{color:var(--fbs-muted);margin-bottom:24px}

/* ---------- ASIDE ---------- */
.fbs-aside{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.fbs-side-card{background:#fff;border:1px solid var(--fbs-line);border-radius:var(--fbs-radius-card);padding:24px;box-shadow:var(--fbs-shadow-1)}
.fbs-side-card h3{font-size:15px;letter-spacing:.06em;text-transform:uppercase;color:var(--fbs-muted);margin-bottom:16px;font-family:var(--fbs-font-num)}
.fbs-toc li a{display:block;font-size:14.5px;color:#3b443b;padding:7px 0 7px 12px;border-left:2px solid var(--fbs-line);transition:all .2s var(--fbs-ease)}
.fbs-toc li a:hover{color:var(--fbs-ink);border-left-color:var(--fbs-accent);padding-left:16px}
.fbs-rel li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--fbs-paper-2)}
.fbs-rel li:last-child{border-bottom:0;padding-bottom:0}
.fbs-rel img{width:76px;height:52px;object-fit:cover;border-radius:8px;flex:0 0 auto}
.fbs-rel a{font-size:14.5px;font-weight:600;line-height:1.45;display:block}
.fbs-rel a:hover{color:var(--fbs-success)}
.fbs-rel time{font-size:12px;color:var(--fbs-muted);font-family:var(--fbs-font-num)}
.fbs-side-cta{background:var(--fbs-ink);color:#fff;border-color:var(--fbs-ink)}
.fbs-side-cta h3{color:var(--fbs-accent)}
.fbs-side-cta p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.7}
.fbs-side-cta .fbs-btn{width:100%;margin-top:6px}

/* ---------- TAGS / SHARE / NAV POSTS ---------- */
.fbs-art-foot{max-width:780px;margin-top:36px}
.fbs-tagrow{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.fbs-tag{font-size:13px;padding:6px 14px;border:1px solid var(--fbs-line);border-radius:999px;background:#fff;color:var(--fbs-muted);transition:all .2s var(--fbs-ease)}
.fbs-tag:hover{border-color:var(--fbs-accent);color:var(--fbs-ink);background:var(--fbs-paper-2)}
.fbs-share{display:flex;gap:10px;margin-left:auto}
.fbs-share button{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--fbs-line);background:#fff;color:var(--fbs-ink);
  cursor:pointer;transition:all .2s var(--fbs-ease);font-size:14px;
}
.fbs-share button:hover{border-color:var(--fbs-ink);transform:translateY(-2px);box-shadow:var(--fbs-shadow-1)}
.fbs-postnav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px}
.fbs-postnav a{
  border:1px solid var(--fbs-line);border-radius:var(--fbs-radius-card);background:#fff;padding:20px 22px;
  transition:all .22s var(--fbs-ease);box-shadow:var(--fbs-shadow-1);
}
.fbs-postnav a:hover{transform:translateY(-2px);border-color:var(--fbs-accent);box-shadow:var(--fbs-shadow-2)}
.fbs-postnav span{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--fbs-muted);font-family:var(--fbs-font-num)}
.fbs-postnav strong{display:block;font-size:15.5px;margin-top:8px;line-height:1.5}
.fbs-backlist{margin-top:26px}

/* ---------- RELATED ---------- */
.fbs-related{padding:0 0 var(--fbs-sec)}
.fbs-sec-head{margin-bottom:34px}
.fbs-sec-head .fbs-kicker{font-family:var(--fbs-font-num);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--fbs-muted)}
.fbs-sec-head h2{position:relative;font-size:clamp(24px,3vw,34px);padding-left:16px;margin-top:10px}
.fbs-sec-head h2::before{content:"";position:absolute;left:0;top:.22em;width:12px;height:.9em;background:var(--fbs-accent);border-radius:2px}
.fbs-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.fbs-card{
  background:#fff;border:1px solid var(--fbs-line);border-radius:var(--fbs-radius-card);overflow:hidden;
  display:flex;flex-direction:column;transition:all .24s var(--fbs-ease);box-shadow:var(--fbs-shadow-1);
}
.fbs-card:hover{transform:translateY(-2px);border-color:var(--fbs-accent);box-shadow:var(--fbs-shadow-2)}
.fbs-card-media{aspect-ratio:16/9;overflow:hidden;background:var(--fbs-paper-2)}
.fbs-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--fbs-ease)}
.fbs-card:hover .fbs-card-media img{transform:scale(1.02)}
.fbs-card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.fbs-card-body h3{font-size:17px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.fbs-card-body p{font-size:14px;color:var(--fbs-muted);line-height:1.7;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.fbs-card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--fbs-muted);font-family:var(--fbs-font-num)}
.fbs-empty{
  border:1px dashed var(--fbs-line);border-radius:var(--fbs-radius-card);padding:48px 28px;text-align:center;
  background:#fff;
}
.fbs-empty p{color:var(--fbs-muted);margin-bottom:18px}

/* ---------- CTA STRIP ---------- */
.fbs-cta-strip{background:var(--fbs-ink);color:#fff;padding:72px 0}
.fbs-cta-strip-inner{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center}
.fbs-cta-strip h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.fbs-cta-strip p{color:rgba(255,255,255,.72);margin:0}
.fbs-cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.fbs-cta-strip .fbs-btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.fbs-cta-strip .fbs-btn-ghost:hover{border-color:var(--fbs-accent);background:var(--fbs-accent);color:var(--fbs-ink)}

/* ---------- FOOTER ---------- */
.fbs-footer{background:var(--fbs-ink);color:rgba(255,255,255,.78);border-top:1px solid rgba(255,255,255,.1);padding:72px 0 28px;margin-top:0}
.fbs-footer .fbs-logo-text{color:#fff}
.fbs-footer .fbs-logo-mark i{background:#fff}
.fbs-footer .fbs-logo-mark i:nth-child(2){background:var(--fbs-accent)}
.fbs-footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.fbs-footer-about{font-size:14px;line-height:1.8;margin-top:18px;color:rgba(255,255,255,.6)}
.fbs-footer-col h4{font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:#fff;margin-bottom:18px;font-family:var(--fbs-font-num)}
.fbs-footer-col li{margin-bottom:10px}
.fbs-footer-col a{font-size:14.5px;color:rgba(255,255,255,.7);transition:color .2s var(--fbs-ease)}
.fbs-footer-col a:hover{color:var(--fbs-accent)}
.fbs-footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.7)}
.fbs-footer-contact .fbs-num{font-size:20px;color:#fff}
.fbs-footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);
}
.fbs-totop{background:transparent;border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:999px;padding:8px 16px;font-size:13px;cursor:pointer;transition:all .2s var(--fbs-ease)}
.fbs-totop:hover{background:var(--fbs-accent);color:var(--fbs-ink);border-color:var(--fbs-accent)}

/* ---------- MOBILE STICKY BAR ---------- */
.fbs-mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(16,21,15,.96);
  border-top:1px solid rgba(255,255,255,.12);padding:10px 16px;gap:12px;align-items:center;
}
.fbs-mobile-bar .fbs-btn{flex:1;height:44px}
.fbs-mobile-bar .fbs-icon-btn{width:44px;height:44px;background:transparent;border-color:rgba(255,255,255,.3);color:#fff}

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

/* ---------- BREAKPOINTS ---------- */
@media screen and (max-width:74.9375em){
  .fbs-nav{display:none}
  .fbs-burger{display:flex}
  .fbs-search{width:180px}
  .fbs-art-grid{grid-template-columns:1fr;gap:36px}
  .fbs-aside{position:static}
  .fbs-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fbs-footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .fbs-cta-strip-inner{grid-template-columns:1fr}
  .fbs-cta-actions{justify-content:flex-start}
  :root{--fbs-sec:80px}
}
@media screen and (max-width:39.9375em){
  body{font-size:16px}
  .fbs-header-inner{height:56px;gap:12px}
  .fbs-search{display:none}
  .fbs-icon-btn,.fbs-header-tools .fbs-btn{display:none}
  .fbs-art-section{padding:40px 0 56px}
  .fbs-article-body{padding:26px 20px;border-radius:12px}
  .fbs-cards{grid-template-columns:1fr}
  .fbs-postnav{grid-template-columns:1fr}
  .fbs-footer-top{grid-template-columns:1fr}
  .fbs-mobile-bar{display:flex}
  .fbs-footer{padding-bottom:92px}
  .fbs-tagrow{align-items:flex-start}
  .fbs-share{margin-left:0}
  :root{--fbs-sec:56px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .fbs-reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
/* ===================== 1. 变量层 ===================== */
:root{
  --fbs-ink:#10150F;
  --fbs-ink-2:#1B231C;
  --fbs-paper:#F4F5F0;
  --fbs-paper-2:#E8EAE2;
  --fbs-line:#D6DACD;
  --fbs-muted:#6B7368;
  --fbs-accent:#C6F24E;
  --fbs-accent-ink:#10150F;
  --fbs-flag:#FF5A2B;
  --fbs-success:#2E7D5B;
  --fbs-error:#C0392B;
  --fbs-font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --fbs-font-num:"Barlow Semi Condensed","Roboto Condensed",ui-monospace,SFMono-Regular,Consolas,monospace;
  --fbs-r-card:16px;
  --fbs-r-img:14px;
  --fbs-r-btn:10px;
  --fbs-r-pill:999px;
  --fbs-shadow-1:0 1px 2px rgba(16,21,15,.06),0 8px 24px -12px rgba(16,21,15,.18);
  --fbs-shadow-2:0 2px 4px rgba(16,21,15,.08),0 16px 40px -16px rgba(16,21,15,.28);
  --fbs-ease:cubic-bezier(.22,.61,.36,1);
  --fbs-sec:104px;
}
/* ===================== 2. Reset / 基础层 ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--fbs-font);
  font-size:16px;
  line-height:1.8;
  color:var(--fbs-ink);
  background:var(--fbs-paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;height:auto;display:block;border-style:none;}
a{color:var(--fbs-ink);text-decoration:none;background-color:transparent;transition:color .2s var(--fbs-ease);}
a:hover,a:focus{color:var(--fbs-ink);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--fbs-ink);}
strong{font-weight:700;}
em{font-style:normal;}
:focus-visible{outline:2px solid var(--fbs-accent);outline-offset:2px;}
.fbs-num{font-family:var(--fbs-font-num);font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;letter-spacing:0;}
.fbs-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* Foundation 默认外观重置 */
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;}
.grid-container.full{padding-left:0;padding-right:0;}
body,button,input,select,textarea{font-family:var(--fbs-font);}
.button,.button.primary,.button.secondary{background:transparent;color:inherit;border-radius:var(--fbs-r-btn);}
[type=text],[type=search],[type=tel],[type=email],select,textarea{
  margin:0;height:48px;border-radius:var(--fbs-r-btn);border:1px solid var(--fbs-line);
  background:#fff;box-shadow:none;color:var(--fbs-ink);
}
select{background-image:none;padding-right:14px;}
::placeholder{color:#98A093;}

/* ===================== 3. 通用排版 / 布局层 ===================== */
.fbs-section{padding:var(--fbs-sec) 0;}
.fbs-section--tight{padding:72px 0;}
.fbs-section--paper2{background:var(--fbs-paper-2);}
.fbs-section--ink{background:var(--fbs-ink);color:#fff;}
.fbs-section--ink .fbs-muted,.fbs-section--ink p{color:rgba(244,245,240,.76);}
.fbs-eyebrow{
  font-family:var(--fbs-font-num);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--fbs-muted);display:inline-block;margin-bottom:14px;
}
.fbs-section--ink .fbs-eyebrow{color:var(--fbs-accent);}
.fbs-h2{font-size:clamp(28px,3.4vw,42px);font-weight:700;line-height:1.15;letter-spacing:-.01em;position:relative;padding-left:20px;}
.fbs-h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:6px;border-radius:3px;background:var(--fbs-accent);}
.fbs-h3{font-size:20px;font-weight:600;line-height:1.4;letter-spacing:-.01em;}
.fbs-lead{font-size:16px;color:var(--fbs-muted);max-width:660px;margin-top:16px;}
.fbs-section--ink .fbs-lead{color:rgba(244,245,240,.72);}
.fbs-head{margin-bottom:40px;}
.fbs-head--row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;}
.fbs-rule{height:1px;background:var(--fbs-line);margin:0;}
.fbs-muted{color:var(--fbs-muted);}

/* 面包屑 */
.fbs-crumb{font-size:14px;color:var(--fbs-muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:22px 0 0;}
.fbs-crumb a{color:var(--fbs-muted);}
.fbs-crumb a:hover{color:var(--fbs-ink);}
.fbs-crumb li{display:flex;align-items:center;gap:8px;}
.fbs-crumb li+li::before{content:"/";color:#A9B0A2;}
.fbs-crumb .is-current{color:var(--fbs-ink);font-weight:600;}

/* ===================== 4. 按钮 / 徽章 ===================== */
.fbs-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--fbs-r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;line-height:1;
  border:1px solid transparent;transition:all .22s var(--fbs-ease);white-space:nowrap;
}
.fbs-btn .fbs-arrow{transition:transform .22s var(--fbs-ease);font-family:var(--fbs-font-num);}
.fbs-btn:hover .fbs-arrow{transform:translateX(4px);}
.fbs-btn-primary{background:var(--fbs-accent);color:var(--fbs-accent-ink);border-color:var(--fbs-accent);}
.fbs-btn-primary:hover{background:#B4E039;border-color:#B4E039;color:var(--fbs-accent-ink);}
.fbs-btn-primary:active{transform:translateY(1px);}
.fbs-btn-dark{background:var(--fbs-ink);color:#fff;border-color:var(--fbs-ink);}
.fbs-btn-dark:hover{background:var(--fbs-ink-2);border-color:var(--fbs-ink-2);color:#fff;}
.fbs-btn-ghost{background:transparent;color:var(--fbs-ink);border-color:var(--fbs-line);}
.fbs-btn-ghost:hover{background:var(--fbs-accent);border-color:var(--fbs-accent);color:var(--fbs-accent-ink);}
.fbs-section--ink .fbs-btn-ghost,.fbs-kv .fbs-btn-ghost{color:#fff;border-color:rgba(255,255,255,.34);}
.fbs-section--ink .fbs-btn-ghost:hover,.fbs-kv .fbs-btn-ghost:hover{background:var(--fbs-accent);border-color:var(--fbs-accent);color:var(--fbs-accent-ink);}
.fbs-btn-sm{height:40px;padding:0 16px;font-size:14px;}
.fbs-btn-block{width:100%;}
.fbs-badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--fbs-r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;border:1px solid var(--fbs-line);color:var(--fbs-muted);background:#fff;
}
.fbs-badge-live{border-color:rgba(255,90,43,.34);color:var(--fbs-flag);background:rgba(255,90,43,.08);}
.fbs-badge-live i{width:6px;height:6px;border-radius:50%;background:var(--fbs-flag);display:inline-block;animation:fbsPulse 1.6s infinite;}
.fbs-badge-accent{background:var(--fbs-accent);border-color:var(--fbs-accent);color:var(--fbs-accent-ink);}
.fbs-badge-ink{background:var(--fbs-ink);border-color:var(--fbs-ink);color:#fff;}
.fbs-section--ink .fbs-badge{border-color:rgba(255,255,255,.24);color:rgba(255,255,255,.86);background:transparent;}
@keyframes fbsPulse{0%,100%{opacity:1;}50%{opacity:.25;}}

/* ===================== 5. 页头导航 ===================== */
.fbs-header{
  position:sticky;top:0;z-index:60;background:rgba(244,245,240,.92);
  border-bottom:1px solid transparent;transition:border-color .25s var(--fbs-ease),backdrop-filter .25s var(--fbs-ease),background .25s var(--fbs-ease);
}
.fbs-header.is-scrolled{border-bottom-color:var(--fbs-line);backdrop-filter:saturate(150%) blur(10px);background:rgba(244,245,240,.86);}
.fbs-header-inner{display:flex;align-items:center;gap:22px;height:64px;}
.fbs-logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.fbs-logo-mark{display:inline-flex;align-items:flex-end;gap:3px;height:18px;}
.fbs-logo-mark i{display:block;width:4px;border-radius:2px;background:var(--fbs-ink);}
.fbs-logo-mark i:nth-child(1){height:9px;background:var(--fbs-accent);}
.fbs-logo-mark i:nth-child(2){height:14px;}
.fbs-logo-mark i:nth-child(3){height:18px;background:var(--fbs-flag);}
.fbs-logo-text{font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--fbs-ink);}
.fbs-footer .fbs-logo-mark i:nth-child(2){background:#fff;}
.fbs-footer .fbs-logo-text{color:#fff;}
.fbs-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;}
.fbs-nav a{
  position:relative;padding:8px 12px;border-radius:8px;font-size:14.5px;color:#3A4237;font-weight:500;
  transition:color .2s var(--fbs-ease),background .2s var(--fbs-ease);
}
.fbs-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--fbs-accent);
  transform:scaleX(0);transform-origin:left;transition:transform .26s var(--fbs-ease);
}
.fbs-nav a:hover{color:var(--fbs-ink);background:rgba(16,21,15,.045);}
.fbs-nav a:hover::after{transform:scaleX(1);}
.fbs-nav a.is-active{color:var(--fbs-ink);font-weight:700;}
.fbs-nav a.is-active::after{transform:scaleX(1);}
.fbs-header-tools{display:flex;align-items:center;gap:12px;flex:none;}
.fbs-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 10px 0 12px;border:1px solid var(--fbs-line);
  border-radius:var(--fbs-r-pill);background:#fff;width:230px;transition:width .26s var(--fbs-ease),border-color .2s var(--fbs-ease);
}
.fbs-search:focus-within{border-color:var(--fbs-accent);width:248px;}
.fbs-search-icon{color:var(--fbs-muted);font-size:15px;}
.fbs-search input{flex:1;height:auto;border:0;background:transparent;font-size:14px;box-shadow:none;}
.fbs-search input:focus{outline:none;}
.fbs-kbd{
  font-family:var(--fbs-font-num);font-size:11px;color:var(--fbs-muted);border:1px solid var(--fbs-line);
  border-radius:6px;padding:1px 6px;background:var(--fbs-paper);transition:opacity .2s var(--fbs-ease);
}
.fbs-search:focus-within .fbs-kbd{opacity:0;}
.fbs-icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--fbs-line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;transition:all .2s var(--fbs-ease);
}
.fbs-icon-btn:hover{border-color:var(--fbs-accent);background:var(--fbs-accent);}
.fbs-burger{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px;}
.fbs-burger span{display:block;width:20px;height:2px;background:var(--fbs-ink);border-radius:2px;transition:transform .25s var(--fbs-ease),opacity .2s var(--fbs-ease);}
.fbs-burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.fbs-burger.is-open span:nth-child(2){opacity:0;}
.fbs-burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.fbs-drawer{
  position:fixed;inset:0;background:var(--fbs-ink);color:#fff;z-index:70;padding:88px 24px 120px;
  transform:translateY(-12px);opacity:0;pointer-events:none;transition:opacity .26s var(--fbs-ease),transform .26s var(--fbs-ease);
  display:flex;flex-direction:column;gap:6px;
}
.fbs-drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
.fbs-drawer a.fbs-drawer-link{font-size:20px;font-weight:700;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12);color:#fff;}
.fbs-drawer a.fbs-drawer-link.is-active{color:var(--fbs-accent);}
.fbs-drawer-foot{position:fixed;left:24px;right:24px;bottom:24px;display:flex;gap:12px;}
.fbs-drawer-close{position:absolute;top:20px;right:20px;font-size:26px;line-height:1;color:#fff;}

/* ===================== 6. KV 头图区 ===================== */
.fbs-kv{
  position:relative;color:#fff;overflow:hidden;min-height:270px;display:flex;align-items:flex-end;
  padding:64px 0 44px;
  background:var(--fbs-ink) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.fbs-kv::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,21,15,.74) 0%,rgba(16,21,15,.88) 100%);}
.fbs-kv .grid-container{position:relative;z-index:2;}
.fbs-kv h1{font-size:clamp(30px,4.6vw,56px);font-weight:800;line-height:1.08;letter-spacing:-.02em;max-width:760px;}
.fbs-kv p{margin-top:14px;max-width:620px;color:rgba(244,245,240,.8);font-size:16px;}
.fbs-kv-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.fbs-kv .fbs-badge{border-color:rgba(255,255,255,.26);color:rgba(255,255,255,.9);background:rgba(255,255,255,.06);}
.fbs-kv .fbs-badge-accent{background:var(--fbs-accent);border-color:var(--fbs-accent);color:var(--fbs-accent-ink);}

/* ===================== 7. 日期轴 ===================== */
.fbs-daybar-wrap{background:var(--fbs-paper-2);border-bottom:1px solid var(--fbs-line);}
.fbs-daybar{display:flex;gap:12px;overflow-x:auto;padding:18px 0;scroll-snap-type:x proximity;}
.fbs-daybar::-webkit-scrollbar{height:6px;}
.fbs-daybar::-webkit-scrollbar-thumb{background:#C4C9BA;border-radius:6px;}
.fbs-day{
  flex:0 0 auto;min-width:118px;text-align:left;padding:12px 16px;border:1px solid var(--fbs-line);border-radius:12px;
  background:#fff;display:flex;flex-direction:column;gap:2px;scroll-snap-align:start;transition:all .22s var(--fbs-ease);
}
.fbs-day span{font-size:17px;font-weight:700;}
.fbs-day em{font-size:12.5px;color:var(--fbs-muted);}
.fbs-day i{font-style:normal;font-size:12px;font-family:var(--fbs-font-num);color:var(--fbs-muted);letter-spacing:.04em;}
.fbs-day:hover{border-color:var(--fbs-ink);transform:translateY(-2px);}
.fbs-day.is-active{background:var(--fbs-ink);border-color:var(--fbs-ink);color:#fff;}
.fbs-day.is-active em,.fbs-day.is-active i{color:rgba(255,255,255,.66);}
.fbs-day.is-active i{color:var(--fbs-accent);}

/* ===================== 8. 直播列表行 ===================== */
.fbs-live-list{border-top:1px solid var(--fbs-line);}
.fbs-live-row{
  display:grid;grid-template-columns:120px minmax(0,1fr) 190px 178px;gap:24px;align-items:center;
  padding:20px 18px;border-bottom:1px solid var(--fbs-line);transition:background .2s var(--fbs-ease),transform .2s var(--fbs-ease);position:relative;
}
.fbs-live-row:hover{background:var(--fbs-paper-2);}
.fbs-live-row:hover .fbs-live-cta .fbs-btn{border-color:var(--fbs-ink);}
.fbs-live-time{display:flex;flex-direction:column;gap:2px;}
.fbs-live-time .fbs-num{font-size:26px;font-weight:700;line-height:1;}
.fbs-live-time em{font-size:12.5px;color:var(--fbs-muted);}
.fbs-live-main h3{font-size:18px;font-weight:700;line-height:1.35;}
.fbs-live-main p{font-size:13.5px;color:var(--fbs-muted);margin-top:4px;}
.fbs-live-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.fbs-live-cta{display:flex;justify-content:flex-end;}
.fbs-live-day-tag{
  font-family:var(--fbs-font-num);font-size:12px;letter-spacing:.08em;color:var(--fbs-muted);
  padding:6px 0 0;border-top:1px solid var(--fbs-line);margin-top:24px;display:inline-block;
}
.fbs-empty{
  border:1px dashed #B9BFB0;border-radius:var(--fbs-r-card);padding:44px 24px;text-align:center;background:var(--fbs-paper-2);
}
.fbs-empty h3{font-size:19px;font-weight:700;margin-bottom:8px;}
.fbs-empty p{color:var(--fbs-muted);font-size:14.5px;margin-bottom:18px;}
.fbs-empty-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}

/* ===================== 9. 卡片 ===================== */
.fbs-card{
  background:#fff;border:1px solid var(--fbs-line);border-radius:var(--fbs-r-card);overflow:hidden;
  height:100%;display:flex;flex-direction:column;transition:transform .24s var(--fbs-ease),border-color .24s var(--fbs-ease),box-shadow .24s var(--fbs-ease);
}
.fbs-card:hover{transform:translateY(-3px);border-color:var(--fbs-accent);box-shadow:var(--fbs-shadow-2);}
.fbs-card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--fbs-paper-2);}
.fbs-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--fbs-ease);}
.fbs-card:hover .fbs-card-media img{transform:scale(1.03);}
.fbs-card-media .fbs-badge{position:absolute;left:14px;top:14px;}
.fbs-card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.fbs-card-body h3{font-size:18px;font-weight:700;line-height:1.4;}
.fbs-card-body p{font-size:14.5px;color:var(--fbs-muted);}
.fbs-card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--fbs-line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--fbs-muted);}
.fbs-card-link{font-weight:600;color:var(--fbs-ink);display:inline-flex;align-items:center;gap:6px;font-size:14px;}
.fbs-card-link .fbs-arrow{transition:transform .2s var(--fbs-ease);}
.fbs-card:hover .fbs-card-link .fbs-arrow{transform:translateX(4px);}
.fbs-cards{padding-bottom:8px;}

/* 特色大卡（左图右文） */
.fbs-feature{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:0;border:1px solid var(--fbs-line);
  border-radius:var(--fbs-r-card);overflow:hidden;background:#fff;
}
.fbs-feature-media{position:relative;min-height:320px;background:var(--fbs-paper-2);}
.fbs-feature-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.fbs-feature-body{padding:36px;display:flex;flex-direction:column;gap:16px;justify-content:center;}
.fbs-feature-body h3{font-size:24px;font-weight:700;line-height:1.3;}
.fbs-feature-body p{color:var(--fbs-muted);font-size:15px;}
.fbs-check{display:flex;flex-direction:column;gap:10px;margin-top:4px;}
.fbs-check li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;}
.fbs-check li::before{
  content:"✓";flex:none;width:20px;height:20px;border-radius:6px;background:var(--fbs-accent);color:var(--fbs-accent-ink);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-top:3px;
}

/* ===================== 10. 数据条 ===================== */
.fbs-stats{border-top:1px solid rgba(255,255,255,.14);border-bottom:1px solid rgba(255,255,255,.14);padding:8px 0;}
.fbs-stat{padding:26px 8px;border-left:1px solid rgba(255,255,255,.14);}
.fbs-stat:first-child{border-left:0;}
.fbs-stat .fbs-num{font-size:clamp(32px,4vw,50px);font-weight:700;line-height:1;color:#fff;display:block;}
.fbs-stat .fbs-stat-label{display:block;font-size:13.5px;color:rgba(244,245,240,.66);margin-top:10px;}

/* ===================== 11. 步骤条 ===================== */
.fbs-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:step;}
.fbs-step{padding:28px 24px 28px 0;border-top:2px solid var(--fbs-line);position:relative;}
.fbs-step::before{
  counter-increment:step;content:"0" counter(step);
  font-family:var(--fbs-font-num);font-size:13px;letter-spacing:.14em;color:var(--fbs-muted);
  display:block;margin-bottom:12px;
}
.fbs-step h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.fbs-step p{font-size:14.5px;color:var(--fbs-muted);}
.fbs-step:hover{border-top-color:var(--fbs-accent);}

/* ===================== 12. FAQ ===================== */
.fbs-faq{border-top:1px solid var(--fbs-line);}
.fbs-faq details{border-bottom:1px solid var(--fbs-line);}
.fbs-faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:26px 4px;font-size:17px;font-weight:600;transition:color .2s var(--fbs-ease);
}
.fbs-faq summary::-webkit-details-marker{display:none;}
.fbs-faq summary:hover{color:#3C4A2E;}
.fbs-faq .fbs-faq-icon{flex:none;width:26px;height:26px;border:1px solid var(--fbs-line);border-radius:50%;position:relative;transition:transform .22s var(--fbs-ease),border-color .22s var(--fbs-ease),background .22s var(--fbs-ease);}
.fbs-faq .fbs-faq-icon::before,.fbs-faq .fbs-faq-icon::after{content:"";position:absolute;background:var(--fbs-ink);left:50%;top:50%;transform:translate(-50%,-50%);}
.fbs-faq .fbs-faq-icon::before{width:11px;height:1.5px;}
.fbs-faq .fbs-faq-icon::after{width:1.5px;height:11px;transition:opacity .22s var(--fbs-ease);}
.fbs-faq details[open] .fbs-faq-icon{background:var(--fbs-accent);border-color:var(--fbs-accent);transform:rotate(180deg);}
.fbs-faq details[open] .fbs-faq-icon::after{opacity:0;}
.fbs-faq-answer{background:var(--fbs-paper-2);border-radius:12px;padding:20px 22px;margin:0 4px 24px;font-size:15px;color:#454D42;}

/* ===================== 13. CTA 与表单 ===================== */
.fbs-cta{background:var(--fbs-ink);color:#fff;position:relative;overflow:hidden;}
.fbs-cta::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,242,78,.16),transparent 68%);pointer-events:none;
}
.fbs-cta h2{font-size:clamp(26px,3.2vw,38px);font-weight:700;line-height:1.2;letter-spacing:-.01em;color:#fff;}
.fbs-cta p{color:rgba(244,245,240,.76);margin-top:16px;font-size:15.5px;}
.fbs-cta .fbs-check li{color:rgba(244,245,240,.9);}
.fbs-form-card{background:#fff;color:var(--fbs-ink);border-radius:var(--fbs-r-card);padding:30px;box-shadow:var(--fbs-shadow-1);}
.fbs-form-card h3{font-size:20px;font-weight:700;margin-bottom:6px;}
.fbs-form-card > p{font-size:13.5px;color:var(--fbs-muted);margin-bottom:20px;}
.fbs-field{margin-bottom:16px;}
.fbs-field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:8px;}
.fbs-field input,.fbs-field select,.fbs-field textarea{width:100%;}
.fbs-field textarea{height:96px;padding:12px 14px;resize:vertical;}
.fbs-field input:focus,.fbs-field select:focus,.fbs-field textarea:focus{border-color:var(--fbs-accent);box-shadow:0 0 0 2px rgba(198,242,78,.5);outline:none;}
.fbs-field .fbs-hint{font-size:12.5px;color:var(--fbs-muted);margin-top:6px;}
.fbs-form-note{font-size:12.5px;color:var(--fbs-muted);margin-top:12px;line-height:1.6;}

/* ===================== 14. 页脚 ===================== */
.fbs-footer{background:var(--fbs-ink);color:rgba(244,245,240,.72);border-top:1px solid rgba(255,255,255,.12);padding:72px 0 0;}
.fbs-footer-top{padding-bottom:44px;}
.fbs-footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.fbs-footer-col ul{display:flex;flex-direction:column;gap:10px;}
.fbs-footer-col ul a{font-size:14.5px;color:rgba(244,245,240,.72);}
.fbs-footer-col ul a:hover{color:var(--fbs-accent);}
.fbs-footer-about{font-size:14.5px;line-height:1.85;margin-top:16px;max-width:320px;}
.fbs-footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14.5px;}
.fbs-footer-contact .fbs-num{font-size:18px;color:#fff;}
.fbs-footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(244,245,240,.6);
}
.fbs-totop{
  border:1px solid rgba(255,255,255,.22);border-radius:var(--fbs-r-pill);padding:8px 16px;font-size:13px;color:#fff;
  transition:all .2s var(--fbs-ease);
}
.fbs-totop:hover{background:var(--fbs-accent);border-color:var(--fbs-accent);color:var(--fbs-accent-ink);}

/* ===================== 15. 移动端粘性操作条 ===================== */
.fbs-mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:55;display:none;gap:10px;padding:10px 16px;
  background:rgba(244,245,240,.96);border-top:1px solid var(--fbs-line);backdrop-filter:blur(8px);
  transform:translateY(110%);transition:transform .26s var(--fbs-ease);
}
.fbs-mobile-bar.is-show{transform:translateY(0);}
.fbs-mobile-bar .fbs-btn{flex:1;height:46px;}

/* ===================== 16. 动效层 ===================== */
.fbs-reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--fbs-ease),transform .5s var(--fbs-ease);}
.fbs-reveal.is-in{opacity:1;transform:translateY(0);}

/* ===================== 17. 断点层 ===================== */
@media (max-width:1199px){
  .fbs-live-row{grid-template-columns:100px minmax(0,1fr) 170px 160px;gap:18px;}
}
@media (max-width:1023px){
  :root{--fbs-sec:76px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .fbs-nav{display:none;}
  .fbs-burger{display:flex;}
  .fbs-search{width:176px;}
  .fbs-search:focus-within{width:190px;}
  .fbs-icon-btn{display:none;}
  .fbs-live-row{grid-template-columns:96px minmax(0,1fr) 150px;grid-template-areas:"time main meta" "time cta cta";row-gap:14px;}
  .fbs-live-time{grid-area:time;}
  .fbs-live-main{grid-area:main;}
  .fbs-live-meta{grid-area:meta;justify-content:flex-end;}
  .fbs-live-cta{grid-area:cta;justify-content:flex-start;}
  .fbs-feature{grid-template-columns:1fr;}
  .fbs-feature-media{min-height:240px;position:relative;}
  .fbs-feature-media img{position:absolute;inset:0;height:100%;}
  .fbs-steps{grid-template-columns:repeat(2,1fr);}
  .fbs-step{padding-right:20px;}
  .fbs-stat:nth-child(odd){border-left:0;}
  .fbs-stat:nth-child(3),.fbs-stat:nth-child(4){border-top:1px solid rgba(255,255,255,.14);}
}
@media (max-width:639px){
  :root{--fbs-sec:58px;}
  body{font-size:15.5px;}
  .fbs-header-inner{height:56px;gap:12px;}
  .fbs-logo-text{font-size:15.5px;}
  .fbs-search{display:none;}
  .fbs-kv{min-height:220px;padding:44px 0 32px;}
  .fbs-kv h1{font-size:28px;}
  .fbs-live-list{border-top:0;}
  .fbs-live-row{
    grid-template-columns:1fr;grid-template-areas:"time" "main" "meta" "cta";gap:10px;
    padding:18px 0 18px 30px;border-bottom:1px solid var(--fbs-line);
  }
  .fbs-live-row::before{content:"";position:absolute;left:8px;top:0;bottom:0;width:2px;background:var(--fbs-line);}
  .fbs-live-row::after{content:"";position:absolute;left:3px;top:26px;width:12px;height:12px;border-radius:50%;background:var(--fbs-ink);border:2px solid var(--fbs-paper);transition:background .3s var(--fbs-ease);}
  .fbs-live-row.is-in::after{background:var(--fbs-accent);}
  .fbs-live-time{flex-direction:row;align-items:baseline;gap:10px;}
  .fbs-live-time .fbs-num{font-size:22px;}
  .fbs-live-meta{justify-content:flex-start;}
  .fbs-live-cta{justify-content:flex-start;}
  .fbs-steps{grid-template-columns:1fr;}
  .fbs-step{border-top-width:1px;padding:20px 0;}
  .fbs-mobile-bar{display:flex;}
  .fbs-footer{padding-top:52px;}
  .fbs-section--ink .fbs-stat:nth-child(2){border-left:1px solid rgba(255,255,255,.14);}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .fbs-reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
/* ============ 变量层 ============ */
:root{
  --fbs-ink:#10150F;
  --fbs-ink-2:#1B231C;
  --fbs-paper:#F4F5F0;
  --fbs-paper-2:#E8EAE2;
  --fbs-line:#D6DACD;
  --fbs-muted:#6B7368;
  --fbs-accent:#C6F24E;
  --fbs-accent-ink:#10150F;
  --fbs-flag:#FF5A2B;
  --fbs-success:#2E7D5B;
  --fbs-error:#C0392B;
  --fbs-font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --fbs-font-num:"Barlow Semi Condensed","Roboto Condensed",ui-monospace,monospace;
  --fbs-r-card:16px;
  --fbs-r-img:14px;
  --fbs-r-btn:10px;
  --fbs-r-pill:999px;
  --fbs-shadow-1:0 1px 2px rgba(16,21,15,.06),0 8px 24px -12px rgba(16,21,15,.18);
  --fbs-shadow-2:0 2px 4px rgba(16,21,15,.08),0 16px 40px -16px rgba(16,21,15,.28);
  --fbs-ease:cubic-bezier(.22,.61,.36,1);
  --fbs-gap:clamp(56px,7vw,110px);
}
/* ============ reset / 基础层 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--fbs-paper);
  color:var(--fbs-ink);
  font-family:var(--fbs-font);
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .22s var(--fbs-ease)}
a:hover{color:var(--fbs-ink)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--fbs-accent);outline-offset:3px}
.fbs-num{font-family:var(--fbs-font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}
/* Foundation 覆盖 */
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px}
.grid-container.full{padding-left:0;padding-right:0}
.grid-x{--fbs-gutter:24px}
.button,button.button,.fbs-btn{font-family:var(--fbs-font);border-radius:var(--fbs-r-btn)}
a.button,button.button{background:transparent;color:inherit;padding:0;margin:0}
/* ============ 布局层 ============ */
.fbs-section{padding:var(--fbs-gap) 0}
.fbs-section--tight{padding:clamp(48px,5vw,76px) 0}
.fbs-section--dark{background:var(--fbs-ink);color:#F2F4EC}
.fbs-section--dark-2{background:var(--fbs-ink-2);color:#F2F4EC}
.fbs-section--paper2{background:var(--fbs-paper-2)}
.fbs-section--line{border-top:1px solid var(--fbs-line)}
.fbs-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--fbs-font-num);
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--fbs-muted);margin-bottom:14px;
}
.fbs-eyebrow::before{content:"";width:18px;height:1px;background:var(--fbs-accent)}
.fbs-section--dark .fbs-eyebrow,.fbs-section--dark-2 .fbs-eyebrow{color:rgba(242,244,236,.62)}
h1,.fbs-h1{font-size:clamp(40px,6vw,76px);font-weight:800;line-height:1.05;letter-spacing:-.02em}
.fbs-h2{
  font-size:clamp(28px,3.4vw,44px);font-weight:700;line-height:1.15;letter-spacing:-.01em;
  position:relative;padding-left:20px;margin-bottom:20px;
}
.fbs-h2::before{
  content:"";position:absolute;left:0;top:.16em;width:6px;height:.86em;
  background:var(--fbs-accent);border-radius:2px;
}
.fbs-h3{font-size:clamp(19px,2vw,23px);font-weight:600;line-height:1.3}
.fbs-lead{font-size:clamp(16px,1.35vw,18px);color:var(--fbs-muted);max-width:64ch}
.fbs-section--dark .fbs-lead,.fbs-section--dark-2 .fbs-lead{color:rgba(242,244,236,.74)}
.fbs-block-head{margin-bottom:clamp(24px,3vw,40px)}
/* ============ 导航层 ============ */
.fbs-header{
  position:sticky;top:0;z-index:80;
  background:rgba(244,245,240,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .26s var(--fbs-ease),background .26s var(--fbs-ease),box-shadow .26s var(--fbs-ease);
}
.fbs-header.is-scrolled{
  background:rgba(244,245,240,.94);
  border-bottom-color:var(--fbs-line);
  box-shadow:0 6px 22px -18px rgba(16,21,15,.5);
}
.fbs-header-inner{
  display:flex;align-items:center;gap:clamp(12px,2vw,28px);
  min-height:64px;padding-top:9px;padding-bottom:9px;
}
.fbs-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.fbs-logo-mark{display:inline-flex;align-items:flex-end;gap:3px;height:20px}
.fbs-logo-mark i{display:block;width:4px;background:var(--fbs-ink);border-radius:2px}
.fbs-logo-mark i:nth-child(1){height:9px}
.fbs-logo-mark i:nth-child(2){height:14px;background:var(--fbs-accent)}
.fbs-logo-mark i:nth-child(3){height:20px}
.fbs-logo-text{font-weight:800;font-size:19px;letter-spacing:-.01em;white-space:nowrap}
.fbs-nav{display:flex;align-items:center;gap:clamp(6px,1.4vw,20px);margin-left:auto}
.fbs-nav a{
  position:relative;font-size:14.5px;color:var(--fbs-muted);padding:8px 2px;white-space:nowrap;
  transition:color .22s var(--fbs-ease);
}
.fbs-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--fbs-accent);transform:scaleX(0);transform-origin:left;
  transition:transform .26s var(--fbs-ease);
}
.fbs-nav a:hover{color:var(--fbs-ink)}
.fbs-nav a:hover::after{transform:scaleX(1)}
.fbs-nav a.is-active{color:var(--fbs-ink);font-weight:600}
.fbs-nav a.is-active::after{transform:scaleX(1)}
.fbs-header-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.fbs-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 12px;
  background:#fff;border:1px solid var(--fbs-line);border-radius:var(--fbs-r-pill);
  transition:border-color .22s var(--fbs-ease),box-shadow .22s var(--fbs-ease),width .26s var(--fbs-ease);
  width:238px;
}
.fbs-search:focus-within{border-color:var(--fbs-accent);box-shadow:0 0 0 3px rgba(198,242,78,.32);width:254px}
.fbs-search-icon{color:var(--fbs-muted);font-size:15px;line-height:1}
.fbs-search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;height:36px;
  font-size:14px;outline:none;
}
.fbs-search input::placeholder{color:#9AA194}
.fbs-kbd{
  font-family:var(--fbs-font-num);font-size:11px;color:var(--fbs-muted);
  border:1px solid var(--fbs-line);border-radius:6px;padding:1px 6px;background:var(--fbs-paper-2);
  transition:opacity .2s var(--fbs-ease);
}
.fbs-search:focus-within .fbs-kbd{opacity:0}
.fbs-icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--fbs-line);border-radius:var(--fbs-r-pill);font-size:15px;background:#fff;
  transition:border-color .22s var(--fbs-ease),transform .22s var(--fbs-ease);
}
.fbs-icon-btn:hover{border-color:var(--fbs-ink);transform:translateY(-1px)}
.fbs-burger{
  display:none;width:44px;height:40px;border:1px solid var(--fbs-line);border-radius:10px;
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.fbs-burger span{display:block;width:18px;height:2px;background:var(--fbs-ink);border-radius:2px;transition:transform .26s var(--fbs-ease),opacity .2s var(--fbs-ease)}
.fbs-burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.fbs-burger.is-open span:nth-child(2){opacity:0}
.fbs-burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* 按钮 */
.fbs-btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  height:48px;padding:0 22px;border-radius:var(--fbs-r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:background .22s var(--fbs-ease),color .22s var(--fbs-ease),border-color .22s var(--fbs-ease),transform .22s var(--fbs-ease),box-shadow .22s var(--fbs-ease);
}
.fbs-btn-sm{height:40px;padding:0 16px;font-size:14px}
.fbs-btn-primary{background:var(--fbs-accent);color:var(--fbs-accent-ink);border:1px solid var(--fbs-accent)}
.fbs-btn-primary:hover{background:#B7E63B;border-color:#B7E63B;color:var(--fbs-accent-ink);transform:translateY(-1px);box-shadow:var(--fbs-shadow-1)}
.fbs-btn-primary:hover .fbs-arrow{transform:translateX(4px)}
.fbs-btn-ghost{background:transparent;color:var(--fbs-ink);border:1px solid var(--fbs-line)}
.fbs-btn-ghost:hover{background:var(--fbs-accent);border-color:var(--fbs-accent);color:var(--fbs-accent-ink);transform:translateY(-1px)}
.fbs-section--dark .fbs-btn-ghost,.fbs-section--dark-2 .fbs-btn-ghost{color:#F2F4EC;border-color:rgba(242,244,236,.28)}
.fbs-section--dark .fbs-btn-ghost:hover,.fbs-section--dark-2 .fbs-btn-ghost:hover{background:var(--fbs-accent);border-color:var(--fbs-accent);color:var(--fbs-accent-ink)}
.fbs-btn-dark{background:var(--fbs-ink);color:#F2F4EC;border:1px solid var(--fbs-ink)}
.fbs-btn-dark:hover{background:var(--fbs-ink-2);color:#F2F4EC;transform:translateY(-1px)}
.fbs-arrow{transition:transform .22s var(--fbs-ease);display:inline-block}
.fbs-btn:active{transform:translateY(0) scale(.99)}
/* 抽屉 */
.fbs-drawer{
  position:fixed;left:0;right:0;top:0;bottom:0;z-index:70;
  background:var(--fbs-ink);color:#F2F4EC;
  padding:92px 28px 120px;
  display:flex;flex-direction:column;gap:6px;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .26s var(--fbs-ease),transform .26s var(--fbs-ease),visibility .26s;
  overflow-y:auto;
}
.fbs-drawer.is-open{opacity:1;visibility:visible;transform:none}
.fbs-drawer a.fbs-drawer-link{
  font-size:20px;font-weight:600;padding:14px 0;border-bottom:1px solid rgba(242,244,236,.12);
  opacity:0;transform:translateY(8px);transition:opacity .3s var(--fbs-ease),transform .3s var(--fbs-ease),color .2s var(--fbs-ease);
}
.fbs-drawer.is-open a.fbs-drawer-link{opacity:1;transform:none}
.fbs-drawer a.fbs-drawer-link:hover{color:var(--fbs-accent)}
.fbs-drawer-foot{margin-top:auto;padding-top:24px}
/* 公告条 */
.fbs-notice{
  background:var(--fbs-ink);color:var(--fbs-accent);
  font-size:14px;display:flex;align-items:center;justify-content:center;gap:12px;
  padding:9px 44px 9px 20px;position:relative;line-height:1.5;
}
.fbs-notice .fbs-num{color:#fff}
.fbs-notice-close{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  color:rgba(198,242,78,.75);font-size:15px;width:28px;height:28px;border-radius:50%;
  transition:background .2s var(--fbs-ease),color .2s var(--fbs-ease);
}
.fbs-notice-close:hover{background:rgba(198,242,78,.14);color:var(--fbs-accent)}
/* ============ 分类页 KV ============ */
.fbs-kv{
  position:relative;min-height:268px;display:flex;align-items:flex-end;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  color:#F2F4EC;overflow:hidden;
}
.fbs-kv::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,21,15,.5) 0%,rgba(16,21,15,.78) 62%,rgba(16,21,15,.94) 100%);
}
.fbs-kv-inner{position:relative;z-index:2;padding-top:44px;padding-bottom:40px;width:100%}
.fbs-crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:rgba(242,244,236,.66);margin-bottom:18px}
.fbs-crumb a:hover{color:var(--fbs-accent)}
.fbs-crumb .sep{opacity:.5}
.fbs-kv h1{color:#fff;max-width:20ch}
.fbs-kv-sub{margin-top:18px;max-width:62ch;font-size:clamp(15px,1.3vw,17px);color:rgba(242,244,236,.8)}
.fbs-kv-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.fbs-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.04em;padding:6px 12px;border-radius:var(--fbs-r-pill);
  border:1px solid rgba(242,244,236,.3);color:rgba(242,244,236,.86);
}
.fbs-tag--accent{background:var(--fbs-accent);color:var(--fbs-accent-ink);border-color:var(--fbs-accent);font-weight:600}
.fbs-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:var(--fbs-r-pill);
  border:1px solid var(--fbs-line);background:#fff;color:var(--fbs-muted);
}
.fbs-badge--ink{background:var(--fbs-ink);color:#F2F4EC;border-color:var(--fbs-ink)}
.fbs-badge--accent{background:var(--fbs-accent);color:var(--fbs-accent-ink);border-color:var(--fbs-accent)}
/* ============ 日期轴 + 赛程 ============ */
.fbs-daybar{
  display:flex;gap:12px;overflow-x:auto;padding:4px 2px 14px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.fbs-daybar::-webkit-scrollbar{height:6px}
.fbs-daybar::-webkit-scrollbar-thumb{background:var(--fbs-line);border-radius:99px}
.fbs-day{
  flex:0 0 auto;min-width:132px;text-align:left;
  padding:12px 16px;border-radius:14px;border:1px solid var(--fbs-line);
  background:#fff;scroll-snap-align:start;
  transition:border-color .22s var(--fbs-ease),background .22s var(--fbs-ease),transform .22s var(--fbs-ease),box-shadow .22s var(--fbs-ease);
}
.fbs-day span{display:block;font-size:15px;font-weight:600}
.fbs-day i{display:block;font-family:var(--fbs-font-num);font-style:normal;font-size:13px;color:var(--fbs-muted);letter-spacing:.04em;margin-top:2px}
.fbs-day:hover{border-color:var(--fbs-ink);transform:translateY(-2px)}
.fbs-day.is-active{background:var(--fbs-ink);border-color:var(--fbs-ink);color:#F2F4EC;box-shadow:var(--fbs-shadow-1)}
.fbs-day.is-active i{color:var(--fbs-accent)}
.fbs-day-panel{display:none}
.fbs-day-panel.is-active{display:block;animation:fbsFade .3s var(--fbs-ease)}
@keyframes fbsFade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.fbs-fixtures{border-top:1px solid var(--fbs-line)}
.fbs-fixture{
  display:grid;
  grid-template-columns:92px minmax(0,1fr) 96px 168px 132px;
  align-items:center;gap:18px;
  padding:18px 16px;border-bottom:1px solid var(--fbs-line);
  transition:background .22s var(--fbs-ease);
}
.fbs-fixture:hover{background:var(--fbs-paper-2)}
.fbs-fixture-time{font-family:var(--fbs-font-num);font-size:22px;font-weight:700;letter-spacing:.02em}
.fbs-fixture-match{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:600;min-width:0}
.fbs-fixture-match .vs{font-family:var(--fbs-font-num);font-size:13px;color:var(--fbs-muted);font-weight:500;flex:0 0 auto}
.fbs-fixture-match .team{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fbs-fixture-venue{font-size:14px;color:var(--fbs-muted)}
.fbs-fixture-act{justify-self:end}
.fbs-link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  position:relative;padding-bottom:2px;
}
.fbs-link-arrow::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--fbs-accent);
  transform:scaleX(0);transform-origin:left;transition:transform .26s var(--fbs-ease);
}
.fbs-link-arrow:hover::after{transform:scaleX(1)}
.fbs-link-arrow:hover .fbs-arrow{transform:translateX(4px)}
/* ============ 比分卡 ============ */
.fbs-score-card{
  background:var(--fbs-ink-2);
  border:1px solid rgba(242,244,236,.12);
  border-radius:var(--fbs-r-card);
  padding:22px;height:100%;
  transition:border-color .24s var(--fbs-ease),transform .24s var(--fbs-ease),box-shadow .24s var(--fbs-ease);
}
.fbs-score-card:hover{border-color:rgba(198,242,78,.55);transform:translateY(-2px);box-shadow:0 18px 40px -22px rgba(0,0,0,.7)}
.fbs-score-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.fbs-live-dot{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;color:var(--fbs-accent)}
.fbs-live-dot::before{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--fbs-accent);
  animation:fbsPulse 1.8s infinite;
}
@keyframes fbsPulse{0%{box-shadow:0 0 0 0 rgba(198,242,78,.5)}70%{box-shadow:0 0 0 8px rgba(198,242,78,0)}100%{box-shadow:0 0 0 0 rgba(198,242,78,0)}}
.fbs-score-line{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:15.5px;font-weight:600}
.fbs-score-line .name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fbs-score-line .pt{font-family:var(--fbs-font-num);font-size:26px;font-weight:700;color:var(--fbs-accent)}
.fbs-score-meta{margin-top:14px;padding-top:14px;border-top:1px dashed rgba(242,244,236,.18);display:flex;justify-content:space-between;font-size:13px;color:rgba(242,244,236,.62)}
/* 数据条 */
.fbs-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:rgba(242,244,236,.14);border:1px solid rgba(242,244,236,.14);border-radius:var(--fbs-r-card);overflow:hidden}
.fbs-stat{background:var(--fbs-ink-2);padding:24px 20px}
.fbs-stat .v{font-family:var(--fbs-font-num);font-size:clamp(30px,4vw,44px);font-weight:700;line-height:1;color:#fff;display:flex;align-items:baseline;gap:4px}
.fbs-stat .v em{font-style:normal;font-size:14px;color:var(--fbs-accent);font-family:var(--fbs-font)}
.fbs-stat .k{margin-top:10px;font-size:13.5px;color:rgba(242,244,236,.66)}
/* ============ 图文分栏 ============ */
.fbs-split-img{border-radius:var(--fbs-r-img);overflow:hidden;box-shadow:var(--fbs-shadow-1)}
.fbs-split-img img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s var(--fbs-ease)}
.fbs-split-img:hover img{transform:scale(1.02)}
.fbs-check{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--fbs-line)}
.fbs-check:last-child{border-bottom:0}
.fbs-check i{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;background:var(--fbs-accent);
  color:var(--fbs-accent-ink);display:inline-flex;align-items:center;justify-content:center;
  font-style:normal;font-size:13px;font-weight:700;margin-top:3px;
}
.fbs-check strong{display:block;font-size:16px;font-weight:600}
.fbs-check p{font-size:14.5px;color:var(--fbs-muted);margin-top:2px}
/* ============ 表单 ============ */
.fbs-form-card{
  background:#fff;border:1px solid var(--fbs-line);border-radius:var(--fbs-r-card);
  padding:clamp(22px,3vw,34px);box-shadow:var(--fbs-shadow-1);
}
.fbs-field{margin-bottom:18px}
.fbs-field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px;color:#2A332A}
.fbs-field .req{color:var(--fbs-flag)}
.fbs-input,.fbs-select,.fbs-textarea{
  width:100%;height:48px;padding:0 14px;
  background:var(--fbs-paper);border:1px solid var(--fbs-line);border-radius:var(--fbs-r-btn);
  font-size:15px;outline:none;
  transition:border-color .2s var(--fbs-ease),box-shadow .2s var(--fbs-ease),background .2s var(--fbs-ease);
}
.fbs-textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.fbs-select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--fbs-muted) 50%),linear-gradient(135deg,var(--fbs-muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.fbs-input:focus,.fbs-select:focus,.fbs-textarea:focus{border-color:var(--fbs-accent);background:#fff;box-shadow:0 0 0 3px rgba(198,242,78,.32)}
.fbs-input.is-error{border-color:var(--fbs-error)}
.fbs-hint{font-size:13px;color:var(--fbs-muted);margin-top:7px}
.fbs-hint.is-error{color:var(--fbs-error)}
.fbs-form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fbs-submit{width:100%;height:52px;font-size:16px}
/* ============ FAQ ============ */
.fbs-faq{max-width:900px;margin:0 auto}
.fbs-faq details{
  background:#fff;border:1px solid var(--fbs-line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color .24s var(--fbs-ease),box-shadow .24s var(--fbs-ease);
}
.fbs-faq details:hover{border-color:#BEC4B2}
.fbs-faq details[open]{border-color:var(--fbs-ink);box-shadow:var(--fbs-shadow-1)}
.fbs-faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:0 22px;min-height:72px;font-size:16.5px;font-weight:600;
}
.fbs-faq summary::-webkit-details-marker{display:none}
.fbs-faq summary .ic{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid var(--fbs-line);
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;line-height:1;
  transition:transform .2s var(--fbs-ease),background .2s var(--fbs-ease),border-color .2s var(--fbs-ease);
}
.fbs-faq details[open] summary .ic{transform:rotate(45deg);background:var(--fbs-accent);border-color:var(--fbs-accent)}
.fbs-faq .ans{background:var(--fbs-paper-2);padding:16px 22px 20px;font-size:15px;color:#3C453C;border-radius:0 0 12px 12px}
/* ============ CTA ============ */
.fbs-cta-panel{
  background:var(--fbs-paper-2);border:1px solid var(--fbs-line);border-radius:20px;
  padding:clamp(28px,4vw,52px);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.fbs-cta-panel h2{font-size:clamp(24px,2.8vw,36px);font-weight:800;line-height:1.2;max-width:22ch}
.fbs-cta-panel p{color:var(--fbs-muted);margin-top:10px;max-width:48ch;font-size:15.5px}
.fbs-cta-actions{display:flex;gap:12px;flex-wrap:wrap}
/* ============ 页脚 ============ */
.fbs-footer{background:var(--fbs-ink);color:rgba(242,244,236,.72);border-top:1px solid rgba(242,244,236,.12);padding-top:clamp(48px,6vw,76px)}
.fbs-footer .fbs-logo-text{color:#fff}
.fbs-footer .fbs-logo-mark i{background:rgba(242,244,236,.55)}
.fbs-footer .fbs-logo-mark i:nth-child(2){background:var(--fbs-accent)}
.fbs-footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:clamp(32px,4vw,52px)}
.fbs-footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.fbs-footer-col ul{display:flex;flex-direction:column;gap:10px}
.fbs-footer-col a{font-size:14.5px;color:rgba(242,244,236,.72)}
.fbs-footer-col a:hover{color:var(--fbs-accent)}
.fbs-footer-about{margin-top:14px;font-size:14.5px;line-height:1.85;max-width:34ch}
.fbs-footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14.5px}
.fbs-footer-contact .fbs-num{color:#fff;font-size:20px;font-weight:600;letter-spacing:.02em}
.fbs-footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(242,244,236,.12);padding:20px 0 26px;font-size:13.5px;
}
.fbs-totop{
  color:rgba(242,244,236,.72);font-size:13.5px;padding:8px 14px;border:1px solid rgba(242,244,236,.22);border-radius:var(--fbs-r-pill);
  transition:color .2s var(--fbs-ease),border-color .2s var(--fbs-ease),background .2s var(--fbs-ease);
}
.fbs-totop:hover{color:var(--fbs-accent-ink);background:var(--fbs-accent);border-color:var(--fbs-accent)}
/* ============ 移动端粘性条 ============ */
.fbs-mobilebar{
  position:fixed;left:0;right:0;bottom:0;z-index:75;display:none;gap:10px;align-items:center;
  padding:10px 16px;background:rgba(244,245,240,.94);backdrop-filter:blur(10px);
  border-top:1px solid var(--fbs-line);
}
.fbs-mobilebar .fbs-btn{flex:1 1 auto}
/* ============ 动效层 ============ */
.fbs-reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--fbs-ease),transform .5s var(--fbs-ease)}
.fbs-reveal.is-in{opacity:1;transform:none}
/* ============ 断点层 ============ */
@media (max-width:1199px){
  .fbs-nav{gap:10px}
  .fbs-nav a{font-size:14px}
  .fbs-search{width:190px}
}
@media (max-width:1023px){
  .grid-container{padding-left:24px;padding-right:24px}
  .fbs-nav{display:none}
  .fbs-burger{display:flex}
  .fbs-search{display:none}
  .fbs-footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .fbs-fixture{grid-template-columns:80px minmax(0,1fr) 90px;grid-template-areas:"time match type" "time venue act";row-gap:6px}
  .fbs-fixture-time{grid-area:time}
  .fbs-fixture-match{grid-area:match}
  .fbs-fixture .fbs-badge{grid-area:type;justify-self:start}
  .fbs-fixture-venue{grid-area:venue}
  .fbs-fixture-act{grid-area:act;justify-self:end}
  .fbs-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .grid-container{padding-left:20px;padding-right:20px}
  .fbs-kv{min-height:240px}
  .fbs-form-row{grid-template-columns:1fr}
  .fbs-cta-panel{flex-direction:column;align-items:flex-start}
  .fbs-cta-actions{width:100%}
  .fbs-cta-actions .fbs-btn{flex:1 1 auto}
  .fbs-footer-top{grid-template-columns:1fr}
}
@media (max-width:639px){
  .fbs-mobilebar{display:flex}
  body{padding-bottom:72px}
  .fbs-kv-inner{padding-top:32px;padding-bottom:28px}
  .fbs-day{min-width:118px;padding:10px 14px}
  .fbs-fixture{grid-template-columns:1fr;grid-template-areas:"time" "match" "type" "venue" "act";gap:6px;padding:16px 10px}
  .fbs-fixture .fbs-badge{justify-self:start}
  .fbs-fixture-act{justify-self:start;margin-top:4px}
  .fbs-stats{grid-template-columns:1fr 1fr}
  .fbs-stat{padding:18px 16px}
  .fbs-notice{font-size:13px;padding:8px 40px 8px 14px}
  .fbs-faq summary{padding:0 16px;font-size:15.5px;min-height:64px}
  .fbs-faq .ans{padding:14px 16px 18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .fbs-reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --fbs-ink:#10150F;
  --fbs-ink-2:#1B231C;
  --fbs-paper:#F4F5F0;
  --fbs-paper-2:#E8EAE2;
  --fbs-line:#D6DACD;
  --fbs-muted:#6B7368;
  --fbs-accent:#C6F24E;
  --fbs-accent-ink:#10150F;
  --fbs-flag:#FF5A2B;
  --fbs-success:#2E7D5B;
  --fbs-error:#C0392B;
  --fbs-font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --fbs-font-num:"Barlow Semi Condensed","Roboto Condensed","DIN Alternate",ui-monospace,monospace;
  --fbs-shadow-1:0 1px 2px rgba(16,21,15,.06),0 8px 24px -12px rgba(16,21,15,.18);
  --fbs-shadow-2:0 2px 4px rgba(16,21,15,.08),0 16px 40px -16px rgba(16,21,15,.28);
  --fbs-r-card:16px;
  --fbs-r-img:14px;
  --fbs-r-btn:10px;
  --fbs-ease:cubic-bezier(.22,.61,.36,1);
  --fbs-sec:112px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--fbs-font);
  font-size:16.5px;
  line-height:1.8;
  color:var(--fbs-ink);
  background:var(--fbs-paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .22s var(--fbs-ease),opacity .22s var(--fbs-ease);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
input,select,textarea{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--fbs-accent);outline-offset:2px;}
.fbs-num,.fbs-count{font-family:var(--fbs-font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em;}
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;margin:0 auto;}
.grid-container.fbs-narrow{max-width:1000px;}
.fbs-eyebrow{
  font-family:var(--fbs-font-num);
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--fbs-muted);
}
/* ============ header ============ */
.fbs-header{
  position:sticky;top:0;z-index:80;
  background:rgba(244,245,240,.9);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--fbs-ease),background .24s var(--fbs-ease),box-shadow .24s var(--fbs-ease);
}
.fbs-header.is-scrolled{
  border-bottom-color:var(--fbs-line);
  box-shadow:0 10px 30px -24px rgba(16,21,15,.6);
}
.fbs-header-inner{display:flex;align-items:center;gap:22px;height:64px;}
.fbs-logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.fbs-logo-mark{display:inline-flex;align-items:flex-end;gap:3px;height:20px;}
.fbs-logo-mark i{display:block;width:4px;background:var(--fbs-ink);border-radius:2px;transition:background .22s var(--fbs-ease);}
.fbs-logo-mark i:nth-child(1){height:9px;}
.fbs-logo-mark i:nth-child(2){height:20px;background:var(--fbs-accent);}
.fbs-logo-mark i:nth-child(3){height:14px;}
.fbs-logo:hover .fbs-logo-mark i:nth-child(1){height:14px;}
.fbs-logo:hover .fbs-logo-mark i:nth-child(3){height:20px;}
.fbs-logo-text{font-size:19px;font-weight:800;letter-spacing:-.02em;}
.fbs-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.fbs-nav a{
  position:relative;padding:8px 12px;border-radius:8px;
  font-size:14.5px;color:var(--fbs-muted);white-space:nowrap;
}
.fbs-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--fbs-accent);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .26s var(--fbs-ease);
}
.fbs-nav a:hover{color:var(--fbs-ink);background:var(--fbs-paper-2);}
.fbs-nav a.is-active{color:var(--fbs-ink);font-weight:600;}
.fbs-nav a.is-active::after{transform:scaleX(1);}
.fbs-header-tools{display:flex;align-items:center;gap:10px;margin-left:auto;}
.fbs-search{
  display:flex;align-items:center;gap:8px;
  width:214px;height:40px;padding:0 12px;
  background:var(--fbs-paper-2);
  border:1px solid var(--fbs-line);border-radius:999px;
  transition:width .26s var(--fbs-ease),border-color .22s var(--fbs-ease),background .22s var(--fbs-ease);
}
.fbs-search:focus-within{width:246px;border-color:var(--fbs-accent);background:#fff;}
.fbs-search-icon{color:var(--fbs-muted);font-size:15px;}
.fbs-search input{
  flex:1;min-width:0;border:0;background:transparent;font-size:14px;color:var(--fbs-ink);outline:none;
}
.fbs-search input::placeholder{color:var(--fbs-muted);}
.fbs-kbd{
  font-family:var(--fbs-font-num);font-size:11px;color:var(--fbs-muted);
  border:1px solid var(--fbs-line);border-radius:6px;padding:1px 5px;background:#fff;
  transition:opacity .22s var(--fbs-ease);
}
.fbs-search:focus-within .fbs-kbd{opacity:0;}
.fbs-icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:999px;
  border:1px solid var(--fbs-line);background:#fff;font-size:16px;
  transition:border-color .22s var(--fbs-ease),transform .22s var(--fbs-ease);
}
.fbs-icon-btn:hover{border-color:var(--fbs-accent);transform:translateY(-1px);}
.fbs-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--fbs-r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .22s var(--fbs-ease),color .22s var(--fbs-ease),border-color .22s var(--fbs-ease),transform .22s var(--fbs-ease),box-shadow .22s var(--fbs-ease);
}
.fbs-btn-sm{height:40px;padding:0 18px;font-size:14px;}
.fbs-btn-primary{background:var(--fbs-accent);color:var(--fbs-accent-ink);}
.fbs-btn-primary:hover{background:#B4E135;transform:translateY(-1px);box-shadow:var(--fbs-shadow-1);}
.fbs-btn-ghost{border:1px solid var(--fbs-line);background:transparent;color:var(--fbs-ink);}
.fbs-btn-ghost:hover{border-color:var(--fbs-accent);background:var(--fbs-accent);}
.fbs-btn-ink{background:var(--fbs-ink);color:#fff;}
.fbs-btn-ink:hover{background:var(--fbs-ink-2);transform:translateY(-1px);}
.fbs-arrow{transition:transform .22s var(--fbs-ease);}
.fbs-btn:hover .fbs-arrow{transform:translateX(4px);}
.fbs-burger{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px;}
.fbs-burger span{display:block;width:22px;height:2px;background:var(--fbs-ink);border-radius:2px;transition:transform .24s var(--fbs-ease),opacity .24s var(--fbs-ease);}
.fbs-burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.fbs-burger.is-open span:nth-child(2){opacity:0;}
.fbs-burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
/* drawer */
.fbs-drawer{
  position:fixed;inset:0;z-index:90;background:var(--fbs-ink);
  padding:96px 24px 40px;display:flex;flex-direction:column;
  transform:translateY(-100%);opacity:0;pointer-events:none;
  transition:transform .34s var(--fbs-ease),opacity .34s var(--fbs-ease);
}
.fbs-drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
.fbs-drawer a.fbs-drawer-link{
  display:block;padding:14px 0;font-size:20px;font-weight:600;color:#fff;
  border-bottom:1px solid rgba(255,255,255,.1);opacity:0;transform:translateY(8px);
  transition:opacity .3s var(--fbs-ease),transform .3s var(--fbs-ease),color .2s var(--fbs-ease);
}
.fbs-drawer.is-open a.fbs-drawer-link{opacity:1;transform:none;}
.fbs-drawer a.fbs-drawer-link.is-active{color:var(--fbs-accent);}
.fbs-drawer a.fbs-drawer-link:hover{color:var(--fbs-accent);}
.fbs-drawer-cta{margin-top:auto;padding-top:24px;display:flex;gap:12px;}
.fbs-drawer-cta .fbs-btn{flex:1;}
/* ============ hero ============ */
.fbs-hero{
  position:relative;color:#fff;overflow:hidden;
  border-bottom:1px solid var(--fbs-line);
}
.fbs-hero-bg{position:absolute;inset:0;}
.fbs-hero-bg img{width:100%;height:100%;object-fit:cover;}
.fbs-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(16,21,15,.9) 0%,rgba(16,21,15,.72) 48%,rgba(16,21,15,.42) 100%);
}
.fbs-hero-inner{position:relative;z-index:2;padding:64px 0 56px;max-width:760px;}
.fbs-crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:rgba(255,255,255,.68);margin-bottom:20px;}
.fbs-crumb a:hover{color:var(--fbs-accent);}
.fbs-hero .fbs-eyebrow{color:var(--fbs-accent);}
.fbs-hero h1{
  font-size:clamp(34px,5vw,60px);line-height:1.06;font-weight:800;letter-spacing:-.02em;
  margin:14px 0 18px;
}
.fbs-hero p.fbs-hero-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.82);max-width:600px;}
.fbs-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.fbs-hero-actions .fbs-btn-ghost{border-color:rgba(255,255,255,.34);color:#fff;}
.fbs-hero-actions .fbs-btn-ghost:hover{background:var(--fbs-accent);border-color:var(--fbs-accent);color:var(--fbs-accent-ink);}
.fbs-hero-stats{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  background:rgba(255,255,255,.14);
  border-top:1px solid rgba(255,255,255,.14);
}
.fbs-hero-stat{background:rgba(16,21,15,.72);padding:20px 22px;}
.fbs-hero-stat strong{display:block;font-family:var(--fbs-font-num);font-size:30px;line-height:1.1;color:var(--fbs-accent);}
.fbs-hero-stat span{display:block;font-size:13px;color:rgba(255,255,255,.72);margin-top:6px;}
/* ============ sections ============ */
.fbs-section{padding:var(--fbs-sec) 0;}
.fbs-section.is-tight{padding-top:72px;}
.fbs-section-head{max-width:720px;margin-bottom:44px;}
.fbs-section-head h2{
  position:relative;font-size:clamp(26px,3.2vw,42px);line-height:1.16;padding-left:20px;margin-bottom:16px;
}
.fbs-section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;width:8px;height:.86em;background:var(--fbs-accent);border-radius:4px;
}
.fbs-section-head p{color:var(--fbs-muted);font-size:16px;}
.fbs-dark{background:var(--fbs-ink);color:#fff;}
.fbs-dark .fbs-section-head h2{color:#fff;}
.fbs-dark .fbs-section-head p{color:rgba(255,255,255,.68);}
.fbs-dark .fbs-eyebrow{color:var(--fbs-accent);}
.fbs-tag{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 11px;border-radius:999px;
  font-size:12px;letter-spacing:.02em;
  border:1px solid var(--fbs-line);color:var(--fbs-muted);background:#fff;
}
.fbs-tag.is-accent{background:var(--fbs-accent);border-color:var(--fbs-accent);color:var(--fbs-accent-ink);font-weight:600;}
.fbs-tag.is-flag{background:transparent;border-color:var(--fbs-flag);color:var(--fbs-flag);font-weight:600;}
/* ============ collage ============ */
.fbs-collage{display:grid;grid-template-columns:1.55fr 1fr;grid-template-rows:auto auto;gap:24px;}
.fbs-collage-main{grid-row:1 / span 2;position:relative;border-radius:var(--fbs-r-card);overflow:hidden;background:var(--fbs-ink-2);min-height:460px;}
.fbs-collage-main img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .4s var(--fbs-ease);}
.fbs-collage-main:hover img{transform:scale(1.03);}
.fbs-collage-main .fbs-collage-cap{
  position:absolute;inset:auto 0 0 0;padding:28px 26px;z-index:2;
  background:linear-gradient(180deg,rgba(16,21,15,0) 0%,rgba(16,21,15,.9) 78%);
  color:#fff;
}
.fbs-collage-cap h3{font-size:24px;margin:10px 0 8px;}
.fbs-collage-cap p{font-size:14.5px;color:rgba(255,255,255,.78);max-width:520px;}
.fbs-collage-side{
  border:1px solid var(--fbs-line);border-radius:var(--fbs-r-card);background:#fff;overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .26s var(--fbs-ease),box-shadow .26s var(--fbs-ease),border-color .26s var(--fbs-ease);
}
.fbs-collage-side:hover{transform:translateY(-2px);border-color:var(--fbs-accent);box-shadow:var(--fbs-shadow-2);}
.fbs-collage-side img{width:100%;height:150px;object-fit:cover;}
.fbs-collage-side .fbs-collage-body{padding:18px 20px 22px;}
.fbs-collage-side h3{font-size:18px;margin-bottom:8px;}
.fbs-collage-side p{font-size:14px;color:var(--fbs-muted);line-height:1.7;}
.fbs-mini-stats{display:flex;gap:18px;margin-top:14px;}
.fbs-mini-stats div strong{display:block;font-family:var(--fbs-font-num);font-size:22px;line-height:1.1;}
.fbs-mini-stats div span{font-size:12px;color:var(--fbs-muted);}
/* ============ rules list ============ */
.fbs-rule-list{border-top:1px solid var(--fbs-line);}
.fbs-rule-row{
  display:grid;grid-template-columns:56px minmax(0,1fr) 200px 120px;
  align-items:center;gap:20px;
  padding:22px 8px;border-bottom:1px solid var(--fbs-line);
  transition:background .22s var(--fbs-ease),padding-left .22s var(--fbs-ease);
}
.fbs-rule-row:hover{background:var(--fbs-paper-2);padding-left:16px;}
.fbs-rule-idx{font-family:var(--fbs-font-num);font-size:20px;color:var(--fbs-muted);}
.fbs-rule-row h3{font-size:17px;margin-bottom:4px;}
.fbs-rule-row p{font-size:14px;color:var(--fbs-muted);line-height:1.7;}
.fbs-rule-meta{font-size:13.5px;color:var(--fbs-muted);}
.fbs-rule-status{justify-self:end;}
/* ============ editorial ============ */
.fbs-editorial{display:grid;grid-template-columns:minmax(0,0.9fr) minmax(0,1.1fr);gap:56px;align-items:center;}
.fbs-editorial-media{border-radius:var(--fbs-r-card);overflow:hidden;box-shadow:var(--fbs-shadow-1);}
.fbs-editorial-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.fbs-editorial-body h2{font-size:clamp(24px,2.8vw,36px);line-height:1.2;margin-bottom:18px;}
.fbs-editorial-body p{color:var(--fbs-muted);font-size:16px;margin-bottom:18px;}
.fbs-quote{
  border-left:3px solid var(--fbs-accent);background:var(--fbs-paper-2);
  padding:18px 22px;border-radius:0 12px 12px 0;font-size:15.5px;color:var(--fbs-ink);
}
.fbs-quote cite{display:block;margin-top:10px;font-style:normal;font-size:13.5px;color:var(--fbs-muted);}
.fbs-bullets li{
  position:relative;padding-left:22px;margin-bottom:12px;font-size:15.5px;color:var(--fbs-ink);
}
.fbs-bullets li::before{
  content:"";position:absolute;left:0;top:.62em;width:10px;height:2px;background:var(--fbs-accent);border-radius:2px;
}
.fbs-bullets li span{color:var(--fbs-muted);font-size:14px;display:block;}
/* ============ steps ============ */
.fbs-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;counter-reset:step;position:relative;}
.fbs-step{
  position:relative;padding:26px 22px 24px;border:1px solid var(--fbs-line);border-radius:var(--fbs-r-card);
  background:#fff;transition:border-color .24s var(--fbs-ease),transform .24s var(--fbs-ease),box-shadow .24s var(--fbs-ease);
}
.fbs-step:hover{border-color:var(--fbs-accent);transform:translateY(-2px);box-shadow:var(--fbs-shadow-1);}
.fbs-step-num{
  font-family:var(--fbs-font-num);font-size:34px;line-height:1;
  color:var(--fbs-ink);opacity:.16;margin-bottom:14px;display:block;
}
.fbs-step h3{font-size:17px;margin-bottom:8px;}
.fbs-step p{font-size:14px;color:var(--fbs-muted);line-height:1.72;}
/* ============ testimonial strips ============ */
.fbs-strips{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.fbs-strip{
  padding:26px 24px;border-radius:var(--fbs-r-card);
  background:var(--fbs-ink-2);color:rgba(255,255,255,.86);
  border:1px solid rgba(255,255,255,.08);
}
.fbs-strip p{font-size:15px;line-height:1.8;}
.fbs-strip footer{margin-top:16px;font-size:13px;color:var(--fbs-accent);font-family:var(--fbs-font-num);letter-spacing:.04em;}
/* ============ faq ============ */
.fbs-faq{border-top:1px solid var(--fbs-line);}
.fbs-faq details{border-bottom:1px solid var(--fbs-line);}
.fbs-faq summary{
  position:relative;list-style:none;cursor:pointer;
  min-height:72px;display:flex;align-items:center;
  padding:16px 56px 16px 4px;font-size:17px;font-weight:600;line-height:1.6;
  transition:color .22s var(--fbs-ease);
}
.fbs-faq summary::-webkit-details-marker{display:none;}
.fbs-faq summary::after{
  content:"+";position:absolute;right:12px;top:50%;transform:translateY(-50%);
  font-family:var(--fbs-font-num);font-size:24px;color:var(--fbs-muted);
  transition:transform .2s var(--fbs-ease),color .2s var(--fbs-ease);
}
.fbs-faq details[open] summary{color:var(--fbs-ink);}
.fbs-faq details[open] summary::after{content:"–";transform:translateY(-50%) rotate(180deg);color:var(--fbs-ink);}
.fbs-faq summary:hover{color:var(--fbs-ink);}
.fbs-faq-body{
  margin:0 0 20px;padding:18px 22px;border-radius:12px;background:var(--fbs-paper-2);
  font-size:15.5px;color:var(--fbs-muted);line-height:1.85;
}
/* ============ cta + form ============ */
.fbs-cta-panel{
  background:var(--fbs-ink);border-radius:24px;overflow:hidden;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,460px);
}
.fbs-cta-copy{padding:56px 48px;color:#fff;}
.fbs-cta-copy h2{font-size:clamp(26px,3vw,38px);line-height:1.18;margin-bottom:16px;}
.fbs-cta-copy p{color:rgba(255,255,255,.72);font-size:16px;margin-bottom:26px;}
.fbs-cta-copy .fbs-bullets li{color:#fff;}
.fbs-cta-copy .fbs-bullets li span{color:rgba(255,255,255,.65);}
.fbs-form-card{background:var(--fbs-paper);padding:36px 32px;}
.fbs-form-card h3{font-size:20px;margin-bottom:6px;}
.fbs-form-card > p{font-size:13.5px;color:var(--fbs-muted);margin-bottom:22px;}
.fbs-field{margin-bottom:16px;}
.fbs-field label{display:block;font-size:13.5px;color:var(--fbs-muted);margin-bottom:7px;}
.fbs-field input,.fbs-field select,.fbs-field textarea{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--fbs-line);border-radius:var(--fbs-r-btn);
  background:#fff;color:var(--fbs-ink);outline:none;
  transition:border-color .2s var(--fbs-ease),box-shadow .2s var(--fbs-ease);
}
.fbs-field textarea{height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
.fbs-field input:focus,.fbs-field select:focus,.fbs-field textarea:focus{
  border-color:var(--fbs-accent);box-shadow:0 0 0 2px rgba(198,242,78,.5);
}
.fbs-field.has-error input{border-color:var(--fbs-error);}
.fbs-field .fbs-err{display:none;font-size:13px;color:var(--fbs-error);margin-top:6px;}
.fbs-field.has-error .fbs-err{display:block;}
.fbs-form-card .fbs-btn{width:100%;margin-top:6px;}
.fbs-form-note{font-size:12.5px;color:var(--fbs-muted);margin-top:12px;line-height:1.7;}
.fbs-form-ok{
  display:none;margin-top:14px;padding:12px 16px;border-radius:10px;
  border:1px solid var(--fbs-success);background:rgba(46,125,91,.08);
  color:var(--fbs-success);font-size:14px;
}
.fbs-form-ok.is-show{display:block;}
/* ============ footer ============ */
.fbs-footer{background:var(--fbs-ink);color:rgba(255,255,255,.72);border-top:1px solid var(--fbs-line);padding:72px 0 28px;}
.fbs-footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.fbs-footer .fbs-logo-text{color:#fff;}
.fbs-footer .fbs-logo-mark i{background:rgba(255,255,255,.75);}
.fbs-footer .fbs-logo-mark i:nth-child(2){background:var(--fbs-accent);}
.fbs-footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin-top:16px;max-width:320px;}
.fbs-footer h4{font-size:14px;color:#fff;letter-spacing:.02em;margin-bottom:16px;}
.fbs-footer ul li{margin-bottom:10px;}
.fbs-footer ul a{font-size:14px;color:rgba(255,255,255,.66);}
.fbs-footer ul a:hover{color:var(--fbs-accent);}
.fbs-footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.66);}
.fbs-footer-contact .fbs-num{color:#fff;font-size:17px;}
.fbs-footer-bottom{
  margin-top:52px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(255,255,255,.5);
}
.fbs-totop{
  font-size:13px;color:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.2);
  border-radius:999px;padding:8px 16px;transition:border-color .22s var(--fbs-ease),color .22s var(--fbs-ease);
}
.fbs-totop:hover{border-color:var(--fbs-accent);color:var(--fbs-accent);}
/* ============ mobile bar ============ */
.fbs-mobile-bar{
  display:none;position:fixed;left:12px;right:12px;bottom:12px;z-index:70;
  background:rgba(16,21,15,.94);backdrop-filter:blur(10px);
  border-radius:14px;padding:10px;gap:10px;
}
.fbs-mobile-bar .fbs-btn{flex:1;height:46px;}
/* ============ motion ============ */
.fbs-reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--fbs-ease),transform .5s var(--fbs-ease);}
.fbs-reveal.is-in{opacity:1;transform:none;}
/* ============ responsive ============ */
@media screen and (max-width:1200px){
  :root{--fbs-sec:96px;}
}
@media screen and (max-width:1023px){
  .fbs-nav{display:none;}
  .fbs-search{display:none;}
  .fbs-burger{display:flex;}
  .fbs-header-tools .fbs-btn{display:none;}
  .fbs-collage{grid-template-columns:1fr;}
  .fbs-collage-main{grid-row:auto;min-height:340px;}
  .fbs-editorial{grid-template-columns:1fr;gap:32px;}
  .fbs-steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .fbs-strips{grid-template-columns:1fr;}
  .fbs-cta-panel{grid-template-columns:1fr;}
  .fbs-cta-copy{padding:42px 36px;}
  .fbs-footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .fbs-hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .fbs-rule-row{grid-template-columns:44px minmax(0,1fr);}
  .fbs-rule-meta,.fbs-rule-status{grid-column:2;justify-self:start;}
  .fbs-mobile-bar{display:flex;}
  .fbs-footer{padding-bottom:96px;}
}
@media screen and (max-width:640px){
  :root{--fbs-sec:64px;}
  body{font-size:16px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .fbs-header-inner{height:56px;gap:12px;}
  .fbs-logo-text{font-size:17px;}
  .fbs-hero-inner{padding:48px 0 40px;}
  .fbs-hero h1{font-size:30px;}
  .fbs-hero-stats{grid-template-columns:1fr 1fr;}
  .fbs-hero-stat{padding:16px;}
  .fbs-hero-stat strong{font-size:24px;}
  .fbs-steps{grid-template-columns:1fr;}
  .fbs-form-card{padding:26px 20px;}
  .fbs-cta-copy{padding:34px 24px;}
  .fbs-footer-top{grid-template-columns:1fr;}
  .fbs-btn{width:100%;}
  .fbs-hero-actions .fbs-btn{width:100%;}
  .fbs-icon-btn{width:44px;height:44px;}
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .fbs-reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --fbs-ink:#10150F;
  --fbs-ink-2:#1B231C;
  --fbs-paper:#F4F5F0;
  --fbs-paper-2:#E8EAE2;
  --fbs-line:#D6DACD;
  --fbs-muted:#6B7368;
  --fbs-accent:#C6F24E;
  --fbs-accent-ink:#10150F;
  --fbs-flag:#FF5A2B;
  --fbs-success:#2E7D5B;
  --fbs-error:#C0392B;
  --fbs-font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --fbs-font-num:"Barlow Semi Condensed","Roboto Condensed",ui-monospace,monospace;
  --fbs-r-card:16px;
  --fbs-r-img:12px;
  --fbs-r-btn:10px;
  --fbs-shadow-1:0 1px 2px rgba(16,21,15,.06),0 8px 24px -12px rgba(16,21,15,.18);
  --fbs-shadow-2:0 2px 4px rgba(16,21,15,.08),0 16px 40px -16px rgba(16,21,15,.28);
  --fbs-ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:var(--fbs-font);
  font-size:17px;line-height:1.8;
  color:var(--fbs-ink);
  background:var(--fbs-paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--fbs-ease),background-color .2s var(--fbs-ease),border-color .2s var(--fbs-ease)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--fbs-accent);outline-offset:2px}
.fbs-num{font-family:var(--fbs-font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.fbs-container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.fbs-section{padding:96px 0}
.fbs-section--tight{padding:72px 0}
.fbs-sec-head{max-width:720px;margin-bottom:40px}
.fbs-sec-head h2{
  position:relative;padding-left:20px;
  font-size:clamp(28px,3.4vw,44px);font-weight:700;line-height:1.15;letter-spacing:-.02em;
}
.fbs-sec-head h2::before{
  content:"";position:absolute;left:0;top:.18em;width:6px;height:.9em;
  background:var(--fbs-accent);border-radius:3px;
}
.fbs-sec-head p{margin-top:14px;color:var(--fbs-muted);font-size:16px;line-height:1.85}
.fbs-eyebrow{
  display:inline-block;font-family:var(--fbs-font-num);font-size:12px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--fbs-muted);margin-bottom:14px;
}
.fbs-dark{background:var(--fbs-ink);color:var(--fbs-paper)}
.fbs-dark .fbs-sec-head h2{color:var(--fbs-paper)}
.fbs-dark .fbs-sec-head p{color:rgba(244,245,240,.68)}
.fbs-dark .fbs-eyebrow{color:rgba(244,245,240,.55)}

/* ---------- Header ---------- */
.fbs-header{
  position:sticky;top:0;z-index:90;
  background:rgba(244,245,240,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--fbs-ease),background-color .24s var(--fbs-ease);
}
.fbs-header.is-scrolled{border-bottom-color:var(--fbs-line);background:rgba(244,245,240,.94)}
.fbs-header-inner{display:flex;align-items:center;gap:24px;height:64px}
.fbs-logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.fbs-logo-mark{display:inline-flex;align-items:flex-end;gap:3px;height:20px}
.fbs-logo-mark i{display:block;width:3px;border-radius:2px;background:var(--fbs-ink)}
.fbs-logo-mark i:nth-child(1){height:9px}
.fbs-logo-mark i:nth-child(2){height:20px;background:var(--fbs-accent)}
.fbs-logo-mark i:nth-child(3){height:14px}
.fbs-logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em}
.fbs-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.fbs-nav a{
  position:relative;padding:8px 12px;font-size:15px;color:var(--fbs-muted);border-radius:8px;white-space:nowrap;
}
.fbs-nav a:hover{color:var(--fbs-ink);background:var(--fbs-paper-2)}
.fbs-nav a.is-active{color:var(--fbs-ink);font-weight:600}
.fbs-nav a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--fbs-accent);border-radius:2px;
}
.fbs-header-tools{display:flex;align-items:center;gap:10px;flex-shrink:0}
.fbs-search{
  position:relative;display:flex;align-items:center;
  width:220px;height:40px;padding:0 10px 0 34px;
  border:1px solid var(--fbs-line);border-radius:999px;background:#fff;
  transition:width .24s var(--fbs-ease),border-color .24s var(--fbs-ease),box-shadow .24s var(--fbs-ease);
}
.fbs-search:focus-within{width:246px;border-color:var(--fbs-accent);box-shadow:0 0 0 3px rgba(198,242,78,.4)}
.fbs-search-icon{position:absolute;left:13px;font-size:15px;color:var(--fbs-muted)}
.fbs-search input{
  width:100%;border:0;outline:0;background:transparent;font-size:14px;
}
.fbs-search input::placeholder{color:#9AA394}
.fbs-kbd{
  font-family:var(--fbs-font-num);font-size:11px;color:var(--fbs-muted);
  border:1px solid var(--fbs-line);border-radius:6px;padding:1px 6px;transition:opacity .2s var(--fbs-ease);
}
.fbs-search:focus-within .fbs-kbd{opacity:0}
.fbs-icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:999px;border:1px solid var(--fbs-line);
  background:#fff;font-size:16px;transition:all .2s var(--fbs-ease);
}
.fbs-icon-btn:hover{background:var(--fbs-paper-2);border-color:var(--fbs-ink)}
.fbs-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--fbs-r-btn);
  border:1px solid transparent;font-size:15px;font-weight:600;white-space:nowrap;
  transition:background-color .22s var(--fbs-ease),color .22s var(--fbs-ease),border-color .22s var(--fbs-ease),transform .22s var(--fbs-ease),box-shadow .22s var(--fbs-ease);
}
.fbs-btn-primary{background:var(--fbs-accent);color:var(--fbs-accent-ink);border-color:var(--fbs-accent)}
.fbs-btn-primary:hover{background:#b5e63b;transform:translateY(-1px);box-shadow:var(--fbs-shadow-1)}
.fbs-btn-primary:active{transform:translateY(0)}
.fbs-btn-ghost{background:transparent;border-color:var(--fbs-line);color:var(--fbs-ink)}
.fbs-btn-ghost:hover{background:var(--fbs-accent);border-color:var(--fbs-accent);color:var(--fbs-accent-ink)}
.fbs-btn-ghost-light{background:transparent;border-color:rgba(244,245,240,.3);color:var(--fbs-paper)}
.fbs-btn-ghost-light:hover{background:var(--fbs-accent);border-color:var(--fbs-accent);color:var(--fbs-accent-ink)}
.fbs-btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.fbs-arrow{transition:transform .22s var(--fbs-ease)}
.fbs-btn:hover .fbs-arrow{transform:translateX(4px)}
.fbs-burger{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border:1px solid var(--fbs-line);border-radius:10px;background:#fff;padding:0 11px;
}
.fbs-burger span{display:block;height:2px;background:var(--fbs-ink);border-radius:2px;transition:transform .22s var(--fbs-ease),opacity .22s var(--fbs-ease)}

/* ---------- Drawer ---------- */
.fbs-drawer{
  position:fixed;inset:0;z-index:120;background:var(--fbs-ink);color:var(--fbs-paper);
  padding:88px 28px 120px;transform:translateY(-100%);opacity:0;pointer-events:none;
  transition:transform .32s var(--fbs-ease),opacity .32s var(--fbs-ease);
  overflow-y:auto;
}
body.fbs-drawer-open .fbs-drawer{transform:translateY(0);opacity:1;pointer-events:auto}
body.fbs-drawer-open{overflow:hidden}
.fbs-drawer a.fbs-drawer-link{
  display:block;padding:14px 0;font-size:20px;font-weight:600;
  border-bottom:1px solid rgba(244,245,240,.12);opacity:0;transform:translateY(10px);
}
body.fbs-drawer-open .fbs-drawer a.fbs-drawer-link{opacity:1;transform:none;transition:opacity .3s var(--fbs-ease),transform .3s var(--fbs-ease)}
body.fbs-drawer-open .fbs-drawer a.fbs-drawer-link:nth-child(1){transition-delay:.06s}
body.fbs-drawer-open .fbs-drawer a.fbs-drawer-link:nth-child(2){transition-delay:.12s}
body.fbs-drawer-open .fbs-drawer a.fbs-drawer-link:nth-child(3){transition-delay:.18s}
body.fbs-drawer-open .fbs-drawer a.fbs-drawer-link:nth-child(4){transition-delay:.24s}
body.fbs-drawer-open .fbs-drawer a.fbs-drawer-link:nth-child(5){transition-delay:.3s}
body.fbs-drawer-open .fbs-drawer a.fbs-drawer-link:nth-child(6){transition-delay:.36s}
.fbs-drawer-close{
  position:absolute;top:22px;right:24px;width:42px;height:42px;border-radius:999px;
  border:1px solid rgba(244,245,240,.3);background:transparent;color:var(--fbs-paper);font-size:18px;
}
.fbs-drawer-cta{position:fixed;left:0;right:0;bottom:0;padding:16px 28px 24px;background:linear-gradient(180deg,rgba(16,21,15,0),rgba(16,21,15,.96) 40%)}
.fbs-drawer-cta .fbs-btn{width:100%}

/* ---------- KV Hero ---------- */
.fbs-kv{
  position:relative;display:flex;align-items:flex-end;
  min-height:280px;padding:64px 0 44px;
  background:#10150F url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:var(--fbs-paper);overflow:hidden;
}
.fbs-kv::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,21,15,.42) 0%,rgba(16,21,15,.86) 100%);
}
.fbs-kv-inner{position:relative;z-index:2;max-width:820px}
.fbs-crumb{
  display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(244,245,240,.66);margin-bottom:18px;
}
.fbs-crumb a:hover{color:var(--fbs-accent)}
.fbs-crumb span.sep{opacity:.5}
.fbs-kv h1{
  font-size:clamp(34px,4.6vw,58px);font-weight:800;line-height:1.08;letter-spacing:-.02em;
}
.fbs-kv p.lead{
  margin-top:16px;max-width:620px;font-size:17px;line-height:1.85;color:rgba(244,245,240,.82);
}
.fbs-kv-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.fbs-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:13px;
  border:1px solid rgba(244,245,240,.24);color:rgba(244,245,240,.9);
}
.fbs-pill.is-accent{background:var(--fbs-accent);border-color:var(--fbs-accent);color:var(--fbs-accent-ink);font-weight:600}

/* ---------- Stats ---------- */
.fbs-stats{
  border-top:1px solid var(--fbs-line);border-bottom:1px solid var(--fbs-line);
  background:var(--fbs-paper-2);
}
.fbs-stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.fbs-stat{padding:32px 28px;border-right:1px solid var(--fbs-line)}
.fbs-stat:last-child{border-right:0}
.fbs-stat b{
  display:block;font-family:var(--fbs-font-num);font-size:44px;font-weight:700;line-height:1;
  letter-spacing:-.01em;font-variant-numeric:tabular-nums;
}
.fbs-stat b em{font-style:normal;font-size:20px;margin-left:2px;color:var(--fbs-muted)}
.fbs-stat span{display:block;margin-top:10px;font-size:14px;color:var(--fbs-muted)}

/* ---------- Sticky layout ---------- */
.fbs-sticky{display:grid;grid-template-columns:236px minmax(0,1fr);gap:56px;align-items:start}
.fbs-side{position:sticky;top:88px}
.fbs-side h3{
  font-family:var(--fbs-font-num);font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--fbs-muted);margin-bottom:16px;font-weight:600;
}
.fbs-side ul{border-left:1px solid var(--fbs-line)}
.fbs-side li a{
  display:block;padding:9px 0 9px 18px;margin-left:-1px;
  border-left:2px solid transparent;font-size:15px;color:var(--fbs-muted);
}
.fbs-side li a:hover{color:var(--fbs-ink);border-left-color:var(--fbs-accent);background:var(--fbs-paper-2)}
.fbs-side li a.is-on{color:var(--fbs-ink);font-weight:600;border-left-color:var(--fbs-accent)}
.fbs-side-note{
  margin-top:22px;padding:16px;border:1px dashed var(--fbs-line);border-radius:12px;
  font-size:13px;line-height:1.75;color:var(--fbs-muted);
}

/* ---------- Entry list ---------- */
.fbs-entries{border-top:1px solid var(--fbs-line)}
.fbs-entry{
  display:grid;grid-template-columns:104px minmax(0,1fr);gap:24px;
  padding:22px 0;border-bottom:1px solid var(--fbs-line);
  transition:background-color .2s var(--fbs-ease),padding-left .2s var(--fbs-ease);
}
.fbs-entry:hover{background:var(--fbs-paper-2);padding-left:12px}
.fbs-entry-thumb{
  width:104px;height:104px;border-radius:var(--fbs-r-img);object-fit:cover;
  transition:transform .32s var(--fbs-ease);
}
.fbs-entry:hover .fbs-entry-thumb{transform:scale(1.02)}
.fbs-entry-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.fbs-entry-head h3{font-size:20px;font-weight:600;line-height:1.4}
.fbs-tag{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;
  font-size:12px;border:1px solid var(--fbs-line);color:var(--fbs-muted);background:#fff;
}
.fbs-tag.is-accent{background:var(--fbs-accent);border-color:var(--fbs-accent);color:var(--fbs-accent-ink);font-weight:600}
.fbs-entry p{margin-top:8px;font-size:15px;line-height:1.8;color:var(--fbs-muted)}
.fbs-entry-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:12px}
.fbs-entry-meta span{
  font-family:var(--fbs-font-num);font-size:13px;letter-spacing:.03em;color:var(--fbs-ink);
  display:inline-flex;align-items:center;gap:6px;
}
.fbs-entry-meta span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--fbs-accent);display:inline-block}

/* ---------- Flow ---------- */
.fbs-flow{
  display:grid;grid-template-columns:repeat(5,minmax(0,1fr));
  border-top:1px solid rgba(244,245,240,.16);margin-top:8px;
}
.fbs-flow-step{padding:30px 22px 6px 0;border-right:1px dashed rgba(244,245,240,.16)}
.fbs-flow-step:last-child{border-right:0}
.fbs-flow-step b{
  display:block;font-family:var(--fbs-font-num);font-size:34px;font-weight:700;color:var(--fbs-accent);
  line-height:1;letter-spacing:-.01em;
}
.fbs-flow-step h3{margin-top:16px;font-size:17px;font-weight:600;color:var(--fbs-paper)}
.fbs-flow-step p{margin-top:8px;font-size:14px;line-height:1.8;color:rgba(244,245,240,.62)}

/* ---------- Compare ---------- */
.fbs-compare{border:1px solid var(--fbs-line);border-radius:var(--fbs-r-card);overflow:hidden;background:#fff}
.fbs-compare-row{
  display:grid;grid-template-columns:200px minmax(0,1fr);
  gap:20px;padding:20px 26px;border-bottom:1px solid var(--fbs-line);
  transition:background-color .2s var(--fbs-ease);
}
.fbs-compare-row:last-child{border-bottom:0}
.fbs-compare-row:hover{background:var(--fbs-paper-2)}
.fbs-compare-name{font-size:16px;font-weight:600}
.fbs-compare-name small{display:block;font-size:13px;font-weight:400;color:var(--fbs-muted);margin-top:4px}
.fbs-compare-vals{display:flex;flex-wrap:wrap;gap:10px}
.fbs-chip{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  border:1px solid var(--fbs-line);font-size:13px;color:var(--fbs-muted);background:var(--fbs-paper);
}
.fbs-chip.is-on{background:var(--fbs-accent);border-color:var(--fbs-accent);color:var(--fbs-accent-ink);font-weight:600}

/* ---------- FAQ ---------- */
.fbs-faq{max-width:860px}
.fbs-faq details{
  border:1px solid var(--fbs-line);border-radius:14px;background:#fff;margin-bottom:12px;
  transition:border-color .22s var(--fbs-ease),box-shadow .22s var(--fbs-ease);
}
.fbs-faq details[open]{border-color:var(--fbs-ink);box-shadow:var(--fbs-shadow-1)}
.fbs-faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:72px;padding:16px 24px;font-size:17px;font-weight:600;cursor:pointer;list-style:none;
}
.fbs-faq summary::-webkit-details-marker{display:none}
.fbs-faq summary i{
  flex-shrink:0;width:26px;height:26px;border-radius:999px;border:1px solid var(--fbs-line);
  display:inline-flex;align-items:center;justify-content:center;font-style:normal;font-size:16px;
  transition:transform .2s var(--fbs-ease),background-color .2s var(--fbs-ease);
}
.fbs-faq details[open] summary i{transform:rotate(45deg);background:var(--fbs-accent);border-color:var(--fbs-accent)}
.fbs-faq .fbs-faq-body{
  margin:0 16px 16px;padding:18px 22px;border-radius:12px;background:var(--fbs-paper-2);
  font-size:15px;line-height:1.85;color:#3A443A;
}

/* ---------- Form ---------- */
.fbs-book{display:grid;grid-template-columns:minmax(0,1fr) 460px;gap:56px;align-items:start}
.fbs-book-points{display:grid;gap:18px;margin-top:28px}
.fbs-book-point{display:grid;grid-template-columns:36px minmax(0,1fr);gap:16px}
.fbs-book-point b{
  font-family:var(--fbs-font-num);font-size:16px;color:var(--fbs-accent-ink);
  background:var(--fbs-accent);border-radius:8px;height:32px;display:flex;align-items:center;justify-content:center;
}
.fbs-book-point h3{font-size:16px;font-weight:600;color:var(--fbs-paper)}
.fbs-book-point p{font-size:14px;line-height:1.8;color:rgba(244,245,240,.6);margin-top:2px}
.fbs-form{
  background:#fff;color:var(--fbs-ink);border-radius:var(--fbs-r-card);padding:32px;
  border:1px solid var(--fbs-line);box-shadow:var(--fbs-shadow-1);
}
.fbs-form h3{font-size:22px;font-weight:700;letter-spacing:-.01em}
.fbs-form p.fbs-form-sub{margin-top:8px;font-size:14px;color:var(--fbs-muted)}
.fbs-field{margin-top:18px}
.fbs-field label{display:block;font-size:13px;font-weight:600;margin-bottom:8px;color:#3A443A}
.fbs-field input,.fbs-field select,.fbs-field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--fbs-line);border-radius:var(--fbs-r-btn);
  background:var(--fbs-paper);font-size:15px;outline:0;
  transition:border-color .2s var(--fbs-ease),box-shadow .2s var(--fbs-ease),background-color .2s var(--fbs-ease);
}
.fbs-field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7}
.fbs-field input:focus,.fbs-field select:focus,.fbs-field textarea:focus{
  border-color:var(--fbs-accent);background:#fff;box-shadow:0 0 0 3px rgba(198,242,78,.42);
}
.fbs-form .fbs-btn{width:100%;margin-top:22px}
.fbs-form-note{margin-top:14px;font-size:13px;color:var(--fbs-muted);line-height:1.7}
.fbs-form-note.is-error{color:var(--fbs-error)}

/* ---------- CTA strip ---------- */
.fbs-cta{
  background:var(--fbs-ink-2);border-top:1px solid rgba(244,245,240,.1);
  padding:56px 0;
}
.fbs-cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.fbs-cta-inner h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;color:var(--fbs-paper);letter-spacing:-.01em}
.fbs-cta-inner p{margin-top:10px;font-size:15px;color:rgba(244,245,240,.62);max-width:600px}
.fbs-cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.fbs-footer{background:var(--fbs-ink);color:rgba(244,245,240,.72);border-top:1px solid rgba(244,245,240,.1);padding:72px 0 0}
.fbs-footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.fbs-footer .fbs-logo-mark i{background:rgba(244,245,240,.85)}
.fbs-footer .fbs-logo-mark i:nth-child(2){background:var(--fbs-accent)}
.fbs-footer .fbs-logo-text{color:var(--fbs-paper)}
.fbs-footer-about{margin-top:16px;font-size:14px;line-height:1.85;max-width:320px;color:rgba(244,245,240,.6)}
.fbs-footer-col h4{font-size:14px;font-weight:600;color:var(--fbs-paper);margin-bottom:18px;letter-spacing:.02em}
.fbs-footer-col ul li{margin-bottom:10px}
.fbs-footer-col ul li a{font-size:14px;color:rgba(244,245,240,.66)}
.fbs-footer-col ul li a:hover{color:var(--fbs-accent)}
.fbs-footer-contact{display:grid;gap:10px;font-size:14px;color:rgba(244,245,240,.66)}
.fbs-footer-contact .fbs-num{font-size:18px;color:var(--fbs-paper)}
.fbs-footer-bottom{
  border-top:1px solid rgba(244,245,240,.12);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:rgba(244,245,240,.5);
}
.fbs-totop{
  background:transparent;border:1px solid rgba(244,245,240,.24);color:rgba(244,245,240,.8);
  border-radius:999px;height:36px;padding:0 16px;font-size:13px;
  transition:all .2s var(--fbs-ease);
}
.fbs-totop:hover{background:var(--fbs-accent);border-color:var(--fbs-accent);color:var(--fbs-accent-ink)}

/* ---------- Mobile bar ---------- */
.fbs-mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;
  padding:10px 16px 14px;gap:10px;background:rgba(244,245,240,.96);
  border-top:1px solid var(--fbs-line);backdrop-filter:blur(10px);
}
.fbs-mobile-bar .fbs-btn{flex:1;height:48px}

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

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .fbs-nav a{padding:8px 9px;font-size:14px}
  .fbs-search{width:180px}
  .fbs-search:focus-within{width:200px}
}
@media (max-width:1023px){
  .fbs-container{padding:0 24px}
  .fbs-section{padding:72px 0}
  .fbs-nav{display:none}
  .fbs-search{display:none}
  .fbs-icon-btn{display:none}
  .fbs-header-tools .fbs-btn-primary{display:none}
  .fbs-burger{display:flex}
  .fbs-header-tools{margin-left:auto}
  .fbs-sticky{grid-template-columns:1fr;gap:32px}
  .fbs-side{position:static}
  .fbs-side ul{display:flex;gap:8px;overflow-x:auto;border-left:0;padding-bottom:6px}
  .fbs-side li a{
    border-left:0;border:1px solid var(--fbs-line);border-radius:999px;
    padding:8px 16px;margin-left:0;white-space:nowrap;background:#fff;
  }
  .fbs-side li a:hover,.fbs-side li a.is-on{border-left-color:var(--fbs-line);background:var(--fbs-accent);color:var(--fbs-accent-ink);border-color:var(--fbs-accent)}
  .fbs-side-note{display:none}
  .fbs-flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fbs-flow-step{border-bottom:1px dashed rgba(244,245,240,.16);padding:24px 18px 20px 0}
  .fbs-book{grid-template-columns:1fr;gap:36px}
  .fbs-footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .fbs-stats-grid{grid-template-columns:repeat(2,1fr)}
  .fbs-stat{border-bottom:1px solid var(--fbs-line)}
  .fbs-stat:nth-child(2n){border-right:0}
  .fbs-stat:nth-child(3),.fbs-stat:nth-child(4){border-bottom:0}
}
@media (max-width:767px){
  .fbs-container{padding:0 20px}
  .fbs-section{padding:56px 0}
  .fbs-header-inner{height:56px}
  .fbs-kv{min-height:240px;padding:48px 0 32px}
  .fbs-kv p.lead{font-size:15px}
  .fbs-entry{grid-template-columns:1fr;gap:14px}
  .fbs-entry-thumb{width:100%;height:180px;border-radius:var(--fbs-r-img)}
  .fbs-entry:hover{padding-left:0}
  .fbs-compare-row{grid-template-columns:1fr;gap:10px;padding:18px 20px}
  .fbs-flow{grid-template-columns:1fr}
  .fbs-flow-step{border-right:0}
  .fbs-form{padding:24px}
  .fbs-cta-inner{flex-direction:column;align-items:flex-start}
  .fbs-cta-actions{width:100%}
  .fbs-cta-actions .fbs-btn{flex:1}
  .fbs-footer-top{grid-template-columns:1fr}
  .fbs-mobile-bar{display:flex}
  body{padding-bottom:78px}
  .fbs-stats-grid{grid-template-columns:1fr}
  .fbs-stat{border-right:0}
  .fbs-stat:nth-child(3){border-bottom:1px solid var(--fbs-line)}
  .fbs-stat b{font-size:36px}
}
@media (max-width:519px){
  .fbs-sec-head h2{padding-left:16px}
  .fbs-kv h1{font-size:30px}
  .fbs-entry-head h3{font-size:18px}
  .fbs-btn{height:44px;padding:0 18px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  [data-reveal]{opacity:1;transform:none}
}

/* roulang page: category5 */
/* ============ 1. 变量层 ============ */
:root{
  --fbs-ink:#10150F;
  --fbs-ink-2:#1B231C;
  --fbs-paper:#F4F5F0;
  --fbs-paper-2:#E8EAE2;
  --fbs-line:#D6DACD;
  --fbs-muted:#6B7368;
  --fbs-accent:#C6F24E;
  --fbs-accent-ink:#10150F;
  --fbs-flag:#FF5A2B;
  --fbs-success:#2E7D5B;
  --fbs-error:#C0392B;
  --fbs-font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --fbs-font-num:"Barlow Semi Condensed","Roboto Condensed",ui-monospace,SFMono-Regular,Menlo,monospace;
  --fbs-r-card:16px;
  --fbs-r-img:14px;
  --fbs-r-btn:10px;
  --fbs-r-pill:999px;
  --fbs-shadow-1:0 1px 2px rgba(16,21,15,.06),0 8px 24px -12px rgba(16,21,15,.18);
  --fbs-shadow-2:0 2px 4px rgba(16,21,15,.08),0 16px 40px -16px rgba(16,21,15,.28);
  --fbs-ease:cubic-bezier(.22,.61,.36,1);
  --fbs-sec:clamp(56px,7vw,104px);
}

/* ============ 2. reset 层 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--fbs-font);
  font-size:16.5px;
  line-height:1.8;
  color:var(--fbs-ink);
  background:var(--fbs-paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s var(--fbs-ease);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
:focus-visible{outline:2px solid var(--fbs-accent);outline-offset:2px;}
.fbs-num{font-family:var(--fbs-font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* 覆盖 Foundation 默认外观 */
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;}
h1,h2,h3,h4{color:inherit;font-weight:700;}
.button,button.button{border-radius:var(--fbs-r-btn);}
.fbs-header .grid-container,.fbs-footer .grid-container{padding-left:32px;padding-right:32px;}

/* ============ 3. 布局层 ============ */
.fbs-section{padding:var(--fbs-sec) 0;}
.fbs-section--tight{padding:calc(var(--fbs-sec) * .62) 0;}
.fbs-dark{background:var(--fbs-ink);color:#EDF0E6;}
.fbs-dark .fbs-muted{color:#9AA396;}
.fbs-eyebrow{
  display:inline-block;font-family:var(--fbs-font-num);font-size:12px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--fbs-muted);margin-bottom:14px;
}
.fbs-dark .fbs-eyebrow{color:var(--fbs-accent);}
.fbs-h2{
  position:relative;font-size:clamp(26px,3.1vw,42px);font-weight:700;line-height:1.16;
  letter-spacing:-.015em;padding-left:18px;margin-bottom:18px;
}
.fbs-h2::before{
  content:"";position:absolute;left:0;top:.18em;width:6px;height:1.05em;
  background:var(--fbs-accent);border-radius:3px;
}
.fbs-lead{font-size:17px;line-height:1.85;color:var(--fbs-muted);max-width:760px;}
.fbs-dark .fbs-lead{color:#A9B2A4;}
.fbs-section-head{margin-bottom:44px;}

/* ============ 4. 导航层 ============ */
.fbs-header{
  position:sticky;top:0;z-index:80;
  background:rgba(244,245,240,.92);
  backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .28s var(--fbs-ease),background .28s var(--fbs-ease),box-shadow .28s var(--fbs-ease);
}
.fbs-header.is-scrolled{border-bottom-color:var(--fbs-line);background:rgba(244,245,240,.88);box-shadow:0 10px 30px -24px rgba(16,21,15,.5);}
.fbs-header-inner{display:flex;align-items:center;gap:26px;height:64px;}
.fbs-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.fbs-logo-mark{display:inline-flex;align-items:flex-end;gap:3px;height:20px;}
.fbs-logo-mark i{display:block;width:3px;background:var(--fbs-ink);border-radius:2px;}
.fbs-logo-mark i:nth-child(1){height:20px;}
.fbs-logo-mark i:nth-child(2){height:13px;background:var(--fbs-accent);}
.fbs-logo-mark i:nth-child(3){height:8px;}
.fbs-logo-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--fbs-ink);}
.fbs-nav{display:flex;align-items:center;gap:2px;margin-left:8px;}
.fbs-nav a{
  position:relative;display:inline-block;padding:8px 12px;font-size:15px;font-weight:500;
  color:#3D453C;border-radius:8px;white-space:nowrap;
}
.fbs-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--fbs-ink);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .26s var(--fbs-ease);
}
.fbs-nav a:hover{color:var(--fbs-ink);}
.fbs-nav a:hover::after{transform:scaleX(1);}
.fbs-nav a.is-active{color:var(--fbs-ink);font-weight:700;}
.fbs-nav a.is-active::after{transform:scaleX(1);background:var(--fbs-accent);height:3px;}
.fbs-header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.fbs-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 10px 0 12px;
  border:1px solid var(--fbs-line);border-radius:var(--fbs-r-pill);background:#fff;
  transition:border-color .24s var(--fbs-ease),box-shadow .24s var(--fbs-ease),width .28s var(--fbs-ease);
  width:224px;
}
.fbs-search:focus-within{border-color:var(--fbs-accent);box-shadow:0 0 0 3px rgba(198,242,78,.4);width:252px;}
.fbs-search-icon{color:var(--fbs-muted);font-size:15px;}
.fbs-search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;font-size:14px;line-height:1;
  padding:10px 0;outline:none;
}
.fbs-search input::placeholder{color:#9AA396;}
.fbs-kbd{
  font-family:var(--fbs-font-num);font-size:11px;color:var(--fbs-muted);
  border:1px solid var(--fbs-line);border-radius:6px;padding:2px 6px;background:var(--fbs-paper);
  transition:opacity .24s var(--fbs-ease);
}
.fbs-search:focus-within .fbs-kbd{opacity:0;}
.fbs-icon-btn{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
  border:1px solid var(--fbs-line);border-radius:12px;font-size:16px;background:#fff;
  transition:border-color .22s var(--fbs-ease),transform .22s var(--fbs-ease);
}
.fbs-icon-btn:hover{border-color:var(--fbs-accent);transform:translateY(-2px);}
.fbs-burger{display:none;width:42px;height:42px;border:1px solid var(--fbs-line);border-radius:12px;padding:11px 10px;}
.fbs-burger span{display:block;height:2px;background:var(--fbs-ink);border-radius:2px;margin-bottom:5px;transition:transform .26s var(--fbs-ease),opacity .26s var(--fbs-ease);}
.fbs-burger span:last-child{margin-bottom:0;}
.fbs-burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.fbs-burger.is-open span:nth-child(2){opacity:0;}
.fbs-burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 5. 按钮 / 标签 ============ */
.fbs-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 26px;border-radius:var(--fbs-r-btn);
  font-size:15.5px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;
  transition:background .24s var(--fbs-ease),color .24s var(--fbs-ease),border-color .24s var(--fbs-ease),transform .24s var(--fbs-ease),box-shadow .24s var(--fbs-ease);
}
.fbs-btn-sm{height:42px;padding:0 18px;font-size:14.5px;}
.fbs-btn .fbs-arrow{transition:transform .24s var(--fbs-ease);}
.fbs-btn:hover .fbs-arrow{transform:translateX(4px);}
.fbs-btn-primary{background:var(--fbs-accent);color:var(--fbs-accent-ink);box-shadow:var(--fbs-shadow-1);}
.fbs-btn-primary:hover{background:#B7E63B;transform:translateY(-2px);box-shadow:var(--fbs-shadow-2);}
.fbs-btn-primary:active{transform:translateY(0);}
.fbs-btn-ghost{border-color:var(--fbs-line);color:var(--fbs-ink);background:transparent;}
.fbs-btn-ghost:hover{border-color:var(--fbs-accent);background:var(--fbs-accent);color:var(--fbs-accent-ink);}
.fbs-btn-light{border-color:rgba(237,240,230,.34);color:#EDF0E6;background:transparent;}
.fbs-btn-light:hover{border-color:var(--fbs-accent);color:var(--fbs-accent);}
.fbs-tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--fbs-r-pill);
  font-size:12.5px;letter-spacing:.04em;border:1px solid var(--fbs-line);color:#4B5349;background:rgba(255,255,255,.6);
}
.fbs-tag--accent{background:var(--fbs-accent);border-color:var(--fbs-accent);color:var(--fbs-accent-ink);font-weight:700;}
.fbs-tag--dark{background:rgba(255,255,255,.08);border-color:rgba(237,240,230,.24);color:#DCE3D4;}

/* ============ 6. 页首 KV 条 ============ */
.fbs-kv{position:relative;overflow:hidden;background:var(--fbs-ink);color:#EDF0E6;padding:96px 0 84px;}
.fbs-kv-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.42;transform:scale(1.03);
}
.fbs-kv::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,21,15,.82) 0%,rgba(16,21,15,.72) 55%,rgba(16,21,15,.92) 100%);
}
.fbs-kv-inner{position:relative;z-index:2;}
.fbs-crumb{margin-bottom:26px;}
.fbs-crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:#9AA396;}
.fbs-crumb li+li::before{content:"/";margin-right:8px;color:#5E675B;}
.fbs-crumb a{color:#C9D2C1;}
.fbs-crumb a:hover{color:var(--fbs-accent);}
.fbs-crumb [aria-current]{color:#EDF0E6;}
.fbs-kv-title{
  font-size:clamp(32px,5vw,58px);font-weight:800;line-height:1.08;letter-spacing:-.02em;
  max-width:820px;margin-bottom:20px;
}
.fbs-kv-title em{font-style:normal;color:var(--fbs-accent);}
.fbs-kv-desc{max-width:660px;font-size:17px;line-height:1.85;color:#C3CBB9;margin-bottom:26px;}
.fbs-kv-tags{display:flex;flex-wrap:wrap;gap:10px;}

/* ============ 7. 粘性分栏叙述 ============ */
.fbs-split{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:64px;align-items:start;}
.fbs-split-left{position:sticky;top:96px;}
.fbs-split-left .fbs-h2{padding-left:0;font-size:clamp(24px,2.6vw,34px);}
.fbs-split-left .fbs-h2::before{position:static;display:block;width:42px;height:5px;margin-bottom:16px;border-radius:3px;}
.fbs-split-note{font-size:15px;color:var(--fbs-muted);line-height:1.85;margin-top:6px;}
.fbs-block{padding:0 0 34px;border-bottom:1px solid var(--fbs-line);margin-bottom:34px;}
.fbs-block:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.fbs-block h3{font-size:20px;font-weight:700;margin-bottom:14px;display:flex;align-items:baseline;gap:12px;}
.fbs-block h3 .fbs-idx{font-family:var(--fbs-font-num);font-size:13px;color:var(--fbs-muted);letter-spacing:.1em;}
.fbs-block p{color:#4B5349;margin-bottom:14px;}
.fbs-list-check li{
  position:relative;padding-left:26px;margin-bottom:12px;color:#3D453C;line-height:1.75;
}
.fbs-list-check li::before{
  content:"";position:absolute;left:0;top:.62em;width:14px;height:8px;
  border-left:2px solid var(--fbs-success);border-bottom:2px solid var(--fbs-success);
  transform:rotate(-45deg);
}
.fbs-list-check li strong{font-weight:700;color:var(--fbs-ink);}
.fbs-list-plain li{position:relative;padding-left:18px;margin-bottom:10px;color:#4B5349;}
.fbs-list-plain li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--fbs-accent);border:1px solid #9CBF35;
}

/* ============ 8. 指标条 ============ */
.fbs-metrics{border-top:1px solid rgba(237,240,230,.14);border-bottom:1px solid rgba(237,240,230,.14);}
.fbs-metrics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;}
.fbs-metric{padding:12px 26px;border-left:1px solid rgba(237,240,230,.14);}
.fbs-metric:first-child{border-left:0;padding-left:0;}
.fbs-metric-num{
  font-family:var(--fbs-font-num);font-size:clamp(38px,4.4vw,58px);font-weight:800;line-height:1;
  color:var(--fbs-accent);letter-spacing:-.01em;display:block;margin-bottom:8px;
}
.fbs-metric-num small{font-size:.42em;font-weight:700;margin-left:4px;color:#DCE3D4;}
.fbs-metric-label{font-size:14.5px;color:#A9B2A4;line-height:1.6;}

/* ============ 9. 合作流程 ============ */
.fbs-flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--fbs-line);}
.fbs-flow-item{
  position:relative;padding:34px 26px 32px 0;border-right:1px solid var(--fbs-line);
  transition:background .28s var(--fbs-ease);
}
.fbs-flow-item:last-child{border-right:0;padding-right:0;}
.fbs-flow-item:hover{background:var(--fbs-paper-2);}
.fbs-flow-item::before{
  content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:50%;
  background:var(--fbs-line);transition:background .28s var(--fbs-ease),box-shadow .28s var(--fbs-ease);
}
.fbs-flow-item.is-in::before{background:var(--fbs-accent);box-shadow:0 0 0 6px rgba(198,242,78,.22);}
.fbs-flow-index{
  font-family:var(--fbs-font-num);font-size:13px;letter-spacing:.18em;color:var(--fbs-muted);
  display:block;margin-bottom:14px;
}
.fbs-flow-item h3{font-size:18.5px;font-weight:700;margin-bottom:10px;padding-right:18px;}
.fbs-flow-item p{font-size:14.5px;color:var(--fbs-muted);line-height:1.8;padding-right:18px;}

/* ============ 10. 服务卡片（2×2） ============ */
.fbs-svc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
.fbs-svc-card{
  display:grid;grid-template-columns:132px minmax(0,1fr);gap:22px;align-items:center;
  background:#fff;border:1px solid var(--fbs-line);border-radius:var(--fbs-r-card);
  padding:18px;box-shadow:var(--fbs-shadow-1);
  transition:transform .28s var(--fbs-ease),border-color .28s var(--fbs-ease),box-shadow .28s var(--fbs-ease);
}
.fbs-svc-card:hover{transform:translateY(-3px);border-color:var(--fbs-accent);box-shadow:var(--fbs-shadow-2);}
.fbs-svc-thumb{border-radius:var(--fbs-r-img);overflow:hidden;aspect-ratio:4/3;background:var(--fbs-paper-2);}
.fbs-svc-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--fbs-ease);}
.fbs-svc-card:hover .fbs-svc-thumb img{transform:scale(1.04);}
.fbs-svc-body h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.fbs-svc-body p{font-size:14.5px;color:var(--fbs-muted);line-height:1.78;margin-bottom:10px;}
.fbs-svc-meta{display:flex;flex-wrap:wrap;gap:8px;}

/* ============ 11. FAQ ============ */
.fbs-faq{max-width:900px;border-top:1px solid var(--fbs-line);}
.fbs-faq details{border-bottom:1px solid var(--fbs-line);}
.fbs-faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:72px;padding:16px 0;font-size:17px;font-weight:600;cursor:pointer;list-style:none;
  transition:color .22s var(--fbs-ease);
}
.fbs-faq summary::-webkit-details-marker{display:none;}
.fbs-faq summary:hover{color:#2F372E;}
.fbs-faq summary .fbs-plus{
  position:relative;flex:0 0 auto;width:26px;height:26px;border:1px solid var(--fbs-line);border-radius:50%;
  transition:transform .24s var(--fbs-ease),border-color .24s var(--fbs-ease),background .24s var(--fbs-ease);
}
.fbs-faq summary .fbs-plus::before,
.fbs-faq summary .fbs-plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--fbs-ink);border-radius:2px;
  transform:translate(-50%,-50%);
}
.fbs-faq summary .fbs-plus::before{width:11px;height:1.6px;}
.fbs-faq summary .fbs-plus::after{width:1.6px;height:11px;transition:opacity .24s var(--fbs-ease);}
.fbs-faq details[open] summary .fbs-plus{transform:rotate(180deg);border-color:var(--fbs-accent);background:var(--fbs-accent);}
.fbs-faq details[open] summary .fbs-plus::after{opacity:0;}
.fbs-faq details[open] summary .fbs-plus::before{background:var(--fbs-accent-ink);}
.fbs-faq-answer{
  background:var(--fbs-paper-2);border-radius:12px;padding:18px 22px;margin:0 0 20px;
  font-size:15.5px;color:#414940;line-height:1.85;
}

/* ============ 12. CTA 与表单 ============ */
.fbs-cta-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,520px);gap:56px;align-items:start;}
.fbs-cta-points{margin-top:26px;}
.fbs-cta-points li{
  position:relative;padding-left:30px;margin-bottom:16px;color:#C3CBB9;line-height:1.7;
}
.fbs-cta-points li::before{
  content:"";position:absolute;left:0;top:.64em;width:14px;height:8px;
  border-left:2px solid var(--fbs-accent);border-bottom:2px solid var(--fbs-accent);
  transform:rotate(-45deg);
}
.fbs-hotline{
  display:inline-flex;align-items:baseline;gap:12px;margin-top:10px;
  font-family:var(--fbs-font-num);font-size:clamp(24px,2.6vw,34px);font-weight:800;color:var(--fbs-accent);
  letter-spacing:.01em;
}
.fbs-hotline span{font-family:var(--fbs-font);font-size:13.5px;font-weight:500;color:#9AA396;letter-spacing:.04em;}
.fbs-form-card{
  background:var(--fbs-paper);border:1px solid var(--fbs-line);border-radius:var(--fbs-r-card);
  padding:30px;box-shadow:var(--fbs-shadow-1);
}
.fbs-form-card h3{font-size:20px;font-weight:700;margin-bottom:6px;}
.fbs-form-card > p{font-size:14px;color:var(--fbs-muted);margin-bottom:22px;}
.fbs-field{margin-bottom:16px;}
.fbs-field label{display:block;font-size:13.5px;font-weight:600;color:#3D453C;margin-bottom:8px;letter-spacing:.02em;}
.fbs-input,.fbs-select,.fbs-textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--fbs-line);border-radius:var(--fbs-r-btn);
  background:#fff;font-size:15px;transition:border-color .22s var(--fbs-ease),box-shadow .22s var(--fbs-ease);
}
.fbs-textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical;}
.fbs-input:focus,.fbs-select:focus,.fbs-textarea:focus{
  outline:none;border-color:var(--fbs-accent);box-shadow:0 0 0 2px rgba(198,242,78,.55);
}
.fbs-input.is-error{border-color:var(--fbs-error);}
.fbs-hint{display:block;font-size:13px;color:var(--fbs-error);margin-top:6px;}
.fbs-form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.fbs-form-card .fbs-btn{width:100%;margin-top:6px;}
.fbs-form-foot{font-size:13px;color:var(--fbs-muted);margin-top:14px;line-height:1.7;}

/* ============ 13. 页脚 ============ */
.fbs-footer{background:var(--fbs-ink);color:#C3CBB9;border-top:1px solid rgba(237,240,230,.14);padding:74px 0 26px;}
.fbs-footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:44px;border-bottom:1px solid rgba(237,240,230,.14);}
.fbs-footer .fbs-logo-text{color:#EDF0E6;}
.fbs-footer .fbs-logo-mark i{background:#EDF0E6;}
.fbs-footer .fbs-logo-mark i:nth-child(2){background:var(--fbs-accent);}
.fbs-footer-about{font-size:14px;line-height:1.85;color:#98A193;margin-top:16px;max-width:320px;}
.fbs-footer-col h4{font-size:14px;font-weight:700;color:#EDF0E6;letter-spacing:.06em;margin-bottom:18px;}
.fbs-footer-col ul li{margin-bottom:11px;}
.fbs-footer-col ul a{font-size:14.5px;color:#A9B2A4;}
.fbs-footer-col ul a:hover{color:var(--fbs-accent);}
.fbs-footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:#A9B2A4;}
.fbs-footer-contact .fbs-num{font-size:19px;color:#EDF0E6;font-weight:700;}
.fbs-footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;font-size:13.5px;color:#8D968A;}
.fbs-totop{
  display:inline-flex;align-items:center;height:42px;padding:0 18px;border:1px solid rgba(237,240,230,.22);
  border-radius:var(--fbs-r-btn);color:#DCE3D4;font-size:13.5px;
  transition:border-color .22s var(--fbs-ease),color .22s var(--fbs-ease),transform .22s var(--fbs-ease);
}
.fbs-totop:hover{border-color:var(--fbs-accent);color:var(--fbs-accent);transform:translateY(-2px);}

/* ============ 14. 移动端粘性操作条 ============ */
.fbs-mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(16,21,15,.96);border-top:1px solid rgba(237,240,230,.16);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  gap:10px;backdrop-filter:blur(8px);
}
.fbs-mobile-bar .fbs-btn{flex:1 1 0;height:48px;font-size:15px;}

/* ============ 15. 动效层 ============ */
.fbs-reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--fbs-ease),transform .6s var(--fbs-ease);}
.fbs-reveal.is-in{opacity:1;transform:none;}

/* ============ 16. 断点层 ============ */
@media screen and (max-width:1199px){
  .fbs-split{grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:44px;}
  .fbs-cta-grid{grid-template-columns:minmax(0,1fr) minmax(0,460px);gap:40px;}
}
@media screen and (max-width:1023px){
  .grid-container{padding-left:24px;padding-right:24px;}
  .fbs-header .grid-container,.fbs-footer .grid-container{padding-left:24px;padding-right:24px;}
  .fbs-header-inner{height:60px;gap:16px;}
  .fbs-search{display:none;}
  .fbs-burger{display:block;}
  .fbs-nav{
    position:fixed;inset:60px 0 0 0;z-index:75;flex-direction:column;align-items:stretch;gap:2px;
    margin:0;padding:26px 24px 120px;background:var(--fbs-paper);
    transform:translateY(-8px);opacity:0;visibility:hidden;pointer-events:none;overflow-y:auto;
    transition:opacity .26s var(--fbs-ease),transform .26s var(--fbs-ease),visibility .26s;
  }
  .fbs-nav.is-open{opacity:1;visibility:visible;transform:none;pointer-events:auto;}
  .fbs-nav a{font-size:20px;font-weight:600;padding:14px 6px;border-bottom:1px solid var(--fbs-line);opacity:0;transform:translateY(8px);transition:opacity .3s var(--fbs-ease),transform .3s var(--fbs-ease);}
  .fbs-nav.is-open a{opacity:1;transform:none;}
  .fbs-nav a::after{display:none;}
  .fbs-nav.is-open a:nth-child(1){transition-delay:.04s;}
  .fbs-nav.is-open a:nth-child(2){transition-delay:.08s;}
  .fbs-nav.is-open a:nth-child(3){transition-delay:.12s;}
  .fbs-nav.is-open a:nth-child(4){transition-delay:.16s;}
  .fbs-nav.is-open a:nth-child(5){transition-delay:.2s;}
  .fbs-nav.is-open a:nth-child(6){transition-delay:.24s;}
  .fbs-split{grid-template-columns:minmax(0,1fr);gap:28px;}
  .fbs-split-left{position:static;}
  .fbs-metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .fbs-metric{padding:22px 22px;border-left:1px solid rgba(237,240,230,.14);border-top:1px solid rgba(237,240,230,.14);}
  .fbs-metric:nth-child(1),.fbs-metric:nth-child(2){border-top:0;}
  .fbs-metric:nth-child(odd){border-left:0;padding-left:0;}
  .fbs-flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .fbs-flow-item{padding:28px 22px 26px 0;}
  .fbs-flow-item:nth-child(2){border-right:0;}
  .fbs-flow-item:nth-child(3),.fbs-flow-item:nth-child(4){border-top:1px solid var(--fbs-line);}
  .fbs-flow-item:nth-child(3){padding-right:22px;}
  .fbs-svc-grid{grid-template-columns:minmax(0,1fr);}
  .fbs-cta-grid{grid-template-columns:minmax(0,1fr);gap:34px;}
  .fbs-footer-top{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px;}
  .fbs-section{padding:72px 0;}
  .fbs-kv{padding:78px 0 68px;}
}
@media screen and (max-width:639px){
  body{font-size:16px;padding-bottom:76px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .fbs-header .grid-container,.fbs-footer .grid-container{padding-left:20px;padding-right:20px;}
  .fbs-icon-btn{display:none;}
  .fbs-logo-text{font-size:17px;}
  .fbs-section{padding:56px 0;}
  .fbs-kv{padding:64px 0 58px;}
  .fbs-kv-desc{font-size:16px;}
  .fbs-h2{padding-left:14px;font-size:24px;}
  .fbs-h2::before{width:5px;}
  .fbs-metrics-grid{grid-template-columns:minmax(0,1fr);}
  .fbs-metric{border-left:0;padding:20px 0;border-top:1px solid rgba(237,240,230,.14);}
  .fbs-metric:first-child{border-top:0;}
  .fbs-flow{grid-template-columns:minmax(0,1fr);border-top:0;}
  .fbs-flow-item{border-right:0;border-top:1px solid var(--fbs-line);padding:22px 0 22px 22px;}
  .fbs-flow-item::before{top:30px;}
  .fbs-flow-item:first-child{border-top:1px solid var(--fbs-line);}
  .fbs-flow-item:nth-child(3){padding-right:0;}
  .fbs-svc-card{grid-template-columns:minmax(0,1fr);gap:14px;}
  .fbs-svc-thumb{aspect-ratio:16/9;}
  .fbs-form-card{padding:22px;}
  .fbs-form-row{grid-template-columns:minmax(0,1fr);gap:0;}
  .fbs-footer{padding:56px 0 22px;}
  .fbs-footer-top{grid-template-columns:minmax(0,1fr);gap:30px;padding-bottom:32px;}
  .fbs-footer-bottom{flex-direction:column;align-items:flex-start;gap:14px;}
  .fbs-mobile-bar{display:flex;}
  .fbs-faq summary{font-size:16px;min-height:66px;}
}

/* ============ 17. 降低动效偏好 ============ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .fbs-reveal{opacity:1;transform:none;}
  .fbs-flow-item::before{box-shadow:none;}
}