/* roulang page: index */
:root{
  --brand-red:#C21F2E;
  --brand-red-dark:#8E1420;
  --olive:#2F6B53;
  --sand:#B99358;
  --bg:#F8F5EF;
  --surface:#FFFFFF;
  --surface-2:#F1ECE3;
  --dark:#16130F;
  --ink:#16130F;
  --ink-2:#4A443C;
  --ink-3:#857C6F;
  --line:#E4DED3;
  --r-block:24px;
  --r-card:18px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(22,19,15,.04), 0 12px 32px -12px rgba(22,19,15,.14);
  --sh-card-hover:0 2px 6px rgba(22,19,15,.06), 0 22px 42px -16px rgba(22,19,15,.24);
  --ease:cubic-bezier(.2,.7,.2,1);
  --t:240ms;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--t) var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:900;letter-spacing:-.02em;line-height:1.15}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-red);outline-offset:2px;box-shadow:0 0 0 3px rgba(194,31,46,.16)}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:104px 0}
.section.tight{padding:80px 0}
.sec-head{max-width:760px;margin-bottom:48px}
.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--brand-red);text-transform:uppercase;margin-bottom:14px}
.sec-eyebrow::before{content:"";width:22px;height:2px;background:var(--brand-red);border-radius:2px}
.sec-title{font-size:clamp(24px,3vw,36px);font-weight:800}
.sec-desc{margin-top:14px;color:var(--ink-2);font-size:16px;line-height:1.85}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow var(--t) var(--ease)}
.site-header.is-stuck{box-shadow:0 1px 2px rgba(22,19,15,.04),0 14px 28px -22px rgba(22,19,15,.35)}
.nav-wrap{position:relative;display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:32px;height:32px;flex:0 0 32px;display:grid;place-items:center;border-radius:10px;background:var(--brand-red)}
.brand-mark svg{width:18px;height:18px;display:block}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;flex:1 1 auto;margin-left:6px}
.nav-link{position:relative;padding:9px 11px;font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:50%;bottom:2px;width:16px;height:2px;border-radius:2px;background:var(--brand-red);transform:translateX(-50%) scaleX(0);transform-origin:center;transition:transform var(--t) var(--ease)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:translateX(-50%) scaleX(1)}
.nav-link.active{color:var(--brand-red);font-weight:700}
.nav-link.active::after{transform:translateX(-50%) scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:auto}
.search-box{display:flex;align-items:center;gap:8px;background:var(--surface-2);border:1px solid transparent;border-radius:var(--r-pill);padding:8px 16px;width:216px;transition:border-color var(--t) var(--ease),background var(--t) var(--ease),box-shadow var(--t) var(--ease)}
.search-box:focus-within{border-color:var(--brand-red);background:#fff;box-shadow:0 0 0 3px rgba(194,31,46,.12)}
.search-box svg{width:16px;height:16px;flex:0 0 16px;stroke:var(--ink-3)}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:14px}
.search-box input::placeholder{color:var(--ink-3)}
.btn-brand{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:11px 22px;border-radius:var(--r-pill);background:var(--brand-red);color:#fff;font-size:14px;font-weight:700;white-space:nowrap;box-shadow:0 10px 22px -14px rgba(194,31,46,.9);transition:background var(--t) var(--ease),transform var(--t) var(--ease),box-shadow var(--t) var(--ease)}
.btn-brand:hover{background:var(--brand-red-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 28px -14px rgba(142,20,32,.8)}
.btn-brand:active{transform:translateY(0)}
.search-icon-btn{display:none;width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);align-items:center;justify-content:center;background:#fff}
.search-icon-btn svg{width:17px;height:17px;stroke:var(--ink-2)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;background:#fff}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
.mobile-search-bar{display:none;padding:0 20px 16px;background:#fff;border-bottom:1px solid var(--line)}
.mobile-search-bar.open{display:block}
.mobile-search-bar .search-box{width:100%}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:78px 0 92px;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-2.png) center/cover no-repeat;opacity:.15}
.hero-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(248,245,239,.72),rgba(248,245,239,.96))}
.hero-inner{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;font-size:13px;font-weight:600;color:var(--ink-2)}
.eyebrow b{color:var(--brand-red);font-weight:800}
.hero-title{margin-top:22px;font-size:clamp(30px,4.6vw,52px);font-weight:900;line-height:1.14;letter-spacing:-.02em}
.hero-title em{font-style:normal;color:var(--brand-red)}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.85;color:var(--ink-2);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.btn-primary-c{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:var(--r-pill);background:var(--brand-red);color:#fff;font-weight:700;font-size:15px;box-shadow:0 14px 30px -18px rgba(194,31,46,.95);transition:background var(--t) var(--ease),transform var(--t) var(--ease),box-shadow var(--t) var(--ease)}
.btn-primary-c:hover{background:var(--brand-red-dark);color:#fff;transform:translateY(-2px);box-shadow:0 20px 34px -18px rgba(142,20,32,.85)}
.btn-ghost-c{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:var(--r-pill);border:1px solid var(--brand-red);color:var(--brand-red);font-weight:700;font-size:15px;background:transparent;transition:background var(--t) var(--ease),transform var(--t) var(--ease)}
.btn-ghost-c:hover{background:rgba(194,31,46,.08);transform:translateY(-2px);color:var(--brand-red)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);border:1px solid var(--line);background:rgba(47,107,83,.06);color:var(--ink-2);font-size:13px;font-weight:500}
.tag i{width:6px;height:6px;border-radius:50%;background:var(--olive);display:block}
.hero-stage{position:relative;display:flex;align-items:center;justify-content:center;gap:14px;min-height:500px}
.p-card{position:relative;width:206px;aspect-ratio:9/16;border-radius:var(--r-block);overflow:hidden;background:var(--surface-2);border:1px solid rgba(22,19,15,.08);box-shadow:var(--sh-card);transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease)}
.p-card img{width:100%;height:100%;object-fit:cover}
.p-card .veil{position:absolute;left:0;right:0;bottom:0;height:60%;background:linear-gradient(to top,rgba(0,0,0,.78),rgba(0,0,0,.24) 60%,rgba(0,0,0,0))}
.p-card .cap{position:absolute;left:16px;right:16px;bottom:18px;color:#fff;font-size:14px;font-weight:700;line-height:1.5}
.p-card .pill{position:absolute;top:14px;left:14px;padding:4px 10px;border-radius:var(--r-pill);background:rgba(194,31,46,.92);color:#fff;font-size:11px;font-weight:700;letter-spacing:.04em}
.p-card .play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.9);display:grid;place-items:center;box-shadow:0 10px 24px -10px rgba(0,0,0,.6)}
.p-card .play::after{content:"";width:0;height:0;border-left:12px solid var(--brand-red);border-top:7px solid transparent;border-bottom:7px solid transparent;margin-left:3px}
.p-card.mid{width:224px;z-index:3}
.p-card.left{transform:rotate(-3deg) scale(.9);opacity:.9;z-index:2}
.p-card.right{transform:rotate(3deg) scale(.9);opacity:.9;z-index:2}
.p-card.left:hover,.p-card.right:hover{transform:rotate(0) scale(.96);opacity:1;box-shadow:var(--sh-card-hover)}
.p-card.mid:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover)}

/* ---------- strip ---------- */
.strip{position:relative;background:var(--surface);border-bottom:1px solid var(--line);padding:88px 0}
.strip-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.strip-arrows{display:flex;gap:10px}
.arrow-btn{width:42px;height:42px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;display:grid;place-items:center;transition:border-color var(--t) var(--ease),background var(--t) var(--ease)}
.arrow-btn svg{width:16px;height:16px;stroke:var(--ink-2);transition:stroke var(--t) var(--ease)}
.arrow-btn:hover{border-color:var(--brand-red);background:rgba(194,31,46,.06)}
.arrow-btn:hover svg{stroke:var(--brand-red)}
.strip-track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 18px;scrollbar-width:none;-ms-overflow-style:none}
.strip-track::-webkit-scrollbar{display:none}
.v-item{flex:0 0 258px;scroll-snap-align:start}
.v-card{display:flex;flex-direction:column;height:100%;border-radius:var(--r-card);overflow:hidden;background:#fff;border:1px solid var(--line);transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease)}
.v-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover)}
.v-thumb{position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--surface-2)}
.v-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .34s var(--ease)}
.v-card:hover .v-thumb img{transform:scale(1.03)}
.v-thumb .len{position:absolute;right:12px;bottom:12px;padding:3px 9px;border-radius:var(--r-pill);background:rgba(22,19,15,.72);color:#fff;font-size:11px;font-weight:600;font-variant-numeric:tabular-nums}
.v-body{padding:16px 18px 20px}
.v-title{font-size:15px;font-weight:700;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.v-meta{margin-top:10px;font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums}

/* ---------- checklist ---------- */
.checklist{border-top:1px solid var(--line)}
.check-row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px;padding:30px 6px;border-bottom:1px solid var(--line);transition:background var(--t) var(--ease),padding-left var(--t) var(--ease)}
.check-row:hover{background:rgba(194,31,46,.035);padding-left:16px}
.check-num{font-size:clamp(34px,4vw,52px);font-weight:900;line-height:1;color:var(--sand);font-variant-numeric:tabular-nums;letter-spacing:-.04em}
.check-row:hover .check-num{color:var(--brand-red)}
.check-title{font-size:20px;font-weight:700}
.check-note{margin-top:6px;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.check-arrow{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;transition:background var(--t) var(--ease),border-color var(--t) var(--ease)}
.check-arrow svg{width:15px;height:15px;stroke:var(--ink-2);transition:stroke var(--t) var(--ease)}
.check-row:hover .check-arrow{background:var(--brand-red);border-color:var(--brand-red)}
.check-row:hover .check-arrow svg{stroke:#fff}

/* ---------- posts ---------- */
.posts{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.post-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease)}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:#D8D0C2}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--surface-2);display:block}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .34s var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto}
.post-cat{display:inline-flex;align-self:flex-start;padding:3px 11px;border-radius:var(--r-pill);border:1px solid rgba(194,31,46,.36);background:rgba(194,31,46,.06);color:var(--brand-red);font-size:12px;font-weight:700}
.post-title{margin-top:12px;font-size:17px;font-weight:700;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--t) var(--ease)}
.post-card:hover .post-title{color:var(--brand-red)}
.post-sum{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.post-foot .go{color:var(--brand-red);font-weight:700}
.empty-state{background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);padding:64px 24px;text-align:center}
.empty-state .ico{width:56px;height:56px;margin:0 auto 18px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center}
.empty-state .ico svg{width:22px;height:22px;stroke:var(--ink-3)}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:22px}

/* ---------- voices ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.voice-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px}
.voice-top{display:flex;align-items:center;gap:12px}
.avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:15px;color:#fff;background:var(--olive);flex:0 0 42px}
.avatar.b{background:var(--brand-red)}
.avatar.c{background:var(--sand)}
.voice-name{font-size:15px;font-weight:700}
.voice-role{font-size:12.5px;color:var(--ink-3)}
.voice-text{margin-top:14px;font-size:14.5px;color:var(--ink-2);line-height:1.85}
.stars{margin-top:14px;color:var(--sand);font-size:13px;letter-spacing:3px}

/* ---------- dark band ---------- */
.dark-band{position:relative;background:var(--dark);color:#EFE9DE;padding:104px 0;overflow:hidden}
.dark-band .bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-3.png) center/cover no-repeat;opacity:.16}
.dark-band .inner{position:relative;z-index:2}
.dark-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:start}
.dark-band h2{font-size:clamp(24px,3vw,36px);font-weight:800;color:#fff}
.dark-band .lead{margin-top:18px;color:rgba(239,233,222,.78);font-size:15.5px;line-height:1.9;max-width:440px}
.stat-list{border-top:1px solid rgba(255,255,255,.16)}
.stat-row{display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:baseline;padding:24px 2px;border-bottom:1px solid rgba(255,255,255,.16)}
.stat-num{font-size:clamp(26px,3vw,38px);font-weight:900;color:var(--sand);font-variant-numeric:tabular-nums;letter-spacing:-.03em;min-width:104px}
.stat-name{font-size:16px;font-weight:700;color:#fff}
.stat-note{margin-top:6px;font-size:14px;color:rgba(239,233,222,.7);line-height:1.8}

/* ---------- faq ---------- */
.faq{max-width:760px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 4px;text-align:left;font-size:17px;font-weight:700;line-height:1.6;transition:color var(--t) var(--ease)}
.faq-q:hover{color:var(--brand-red)}
.faq-q .plus{position:relative;width:20px;height:20px;flex:0 0 20px;transition:transform var(--t) var(--ease)}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;background:var(--brand-red);border-radius:2px}
.faq-q .plus::before{left:0;top:9px;width:20px;height:2px}
.faq-q .plus::after{left:9px;top:0;width:2px;height:20px}
.faq-item.open .faq-q .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--t) var(--ease)}
.faq-a p{padding:0 4px 24px;font-size:15px;color:var(--ink-2);line-height:1.85}

/* ---------- form ---------- */
.cta-block{background:var(--surface);border-top:1px solid var(--line);padding:96px 0}
.cta-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
.cta-points{margin-top:26px;border-top:1px solid var(--line)}
.cta-points li{display:flex;gap:12px;padding:16px 2px;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--ink-2)}
.cta-points li b{color:var(--brand-red);font-weight:800;font-variant-numeric:tabular-nums}
.lead-form{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-block);padding:32px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:8px;color:var(--ink)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-input);background:#fff;font-size:14.5px;line-height:1.6;outline:none;transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease)}
.field textarea{min-height:112px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand-red);box-shadow:0 0 0 3px rgba(194,31,46,.12)}
.field select{appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23857C6F' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:16px;padding-right:40px}
.form-note{font-size:12.5px;color:var(--ink-3);margin-top:14px}
.field-error{font-size:12.5px;color:#B3261E;margin-top:6px;display:none}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(239,233,222,.78);padding:76px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:48px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.foot-brand .brand-mark{background:var(--brand-red)}
.foot-brand span{font-size:17px;font-weight:800;color:#fff}
.foot-desc{font-size:14px;line-height:1.9;color:rgba(239,233,222,.68);max-width:330px}
.foot-title{font-size:14px;font-weight:700;color:var(--sand);margin-bottom:18px;letter-spacing:.04em}
.foot-link{display:block;font-size:14px;line-height:2.1;color:rgba(239,233,222,.72);transition:color var(--t) var(--ease)}
.foot-link:hover{color:#fff}
.foot-bottom{margin-top:60px;border-top:1px solid rgba(255,255,255,.14);padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(239,233,222,.55)}

/* ---------- mobile cta ---------- */
.mobile-cta{display:none}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .wrap{padding:0 24px}
  .search-box{display:none}
  .search-icon-btn{display:inline-flex}
  .nav-link{padding:9px 8px;font-size:14.5px}
  .hero-grid{gap:36px}
  .p-card{width:172px}
  .p-card.mid{width:190px}
}
@media (max-width:991px){
  .section{padding:80px 0}
  .strip{padding:72px 0}
  .dark-band{padding:80px 0}
  .cta-block{padding:76px 0}
  .nav-wrap{height:64px;gap:12px}
  .main-nav{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;margin:0;padding:6px 20px 14px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 30px -22px rgba(22,19,15,.4)}
  .main-nav.open{display:flex}
  .nav-link{padding:13px 2px;border-bottom:1px solid var(--line);font-size:15.5px}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--brand-red)}
  .nav-toggle{display:inline-flex}
  .hero{padding:56px 0 68px}
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero-sub{max-width:100%}
  .hero-stage{min-height:0;gap:12px}
  .p-card{width:31%}
  .p-card.mid{width:34%}
  .voice-grid{grid-template-columns:1fr 1fr}
  .dark-grid{grid-template-columns:1fr;gap:44px}
  .cta-grid{grid-template-columns:1fr;gap:40px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:767px){
  .wrap{padding:0 20px}
  .section{padding:64px 0}
  .strip{padding:60px 0}
  .dark-band{padding:64px 0}
  .cta-block{padding:64px 0}
  .sec-head{margin-bottom:34px}
  .brand-text{font-size:15.5px}
  .btn-brand{padding:10px 16px;font-size:13.5px}
  .hero-title{font-size:clamp(26px,7.6vw,36px)}
  .hero-actions .btn-primary-c,.hero-actions .btn-ghost-c{flex:1 1 auto;justify-content:center;padding:13px 20px}
  .hero-stage{gap:8px}
  .p-card{width:32%}
  .p-card.mid{width:36%}
  .p-card.left,.p-card.right{opacity:.72}
  .p-card .play{width:38px;height:38px}
  .check-row{grid-template-columns:auto 1fr;gap:16px;padding:24px 2px}
  .check-row:hover{padding-left:8px}
  .check-arrow{display:none}
  .voice-grid{grid-template-columns:1fr}
  .v-item{flex:0 0 76%}
  .form-row{grid-template-columns:1fr}
  .lead-form{padding:24px}
  .foot-grid{grid-template-columns:1fr;gap:34px}
  .foot-desc{max-width:100%}
  .mobile-cta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1040;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);box-shadow:0 -10px 24px -18px rgba(22,19,15,.5)}
  .mobile-cta span{font-size:13px;color:var(--ink-2);line-height:1.5}
  .mobile-cta .btn-brand{padding:10px 18px;font-size:13.5px}
  body{padding-bottom:72px}
}
@media (max-width:575px){
  .p-card.left{display:none}
  .p-card.right{display:none}
  .p-card.mid{width:68%}
  .strip-arrows{display:none}
}

/* roulang page: article */
:root{
  --red:#C21F2E;
  --red-dark:#8E1420;
  --olive:#2F6B53;
  --gold:#B99358;
  --bg:#F8F5EF;
  --surface:#FFFFFF;
  --surface-2:#F1ECE3;
  --dark:#16130F;
  --ink:#16130F;
  --ink-2:#4A443C;
  --ink-3:#857C6F;
  --line:#E4DED3;
  --r-lg:24px;
  --r-md:18px;
  --r-img:16px;
  --r-in:12px;
  --pill:999px;
  --sh-1:0 1px 2px rgba(22,19,15,.04), 0 12px 32px -12px rgba(22,19,15,.14);
  --sh-2:0 2px 4px rgba(22,19,15,.06), 0 22px 48px -18px rgba(22,19,15,.24);
  --ease:cubic-bezier(.2,.7,.2,1);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--red);outline-offset:3px;box-shadow:0 0 0 3px rgba(194,31,46,.18);border-radius:8px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1050;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 12px 30px -22px rgba(22,19,15,.6)}
.header-inner{display:flex;align-items:center;gap:22px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--red);
  display:grid;place-items:center;flex-shrink:0;
  transition:transform .24s var(--ease),background .24s var(--ease);
}
.brand:hover .brand-mark{transform:rotate(-6deg) scale(1.04);background:var(--red-dark)}
.brand-mark svg{width:19px;height:19px}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}

.main-nav{display:flex;align-items:center;gap:2px;flex:1;min-width:0}
.nav-link{
  position:relative;padding:9px 12px;font-size:14.5px;font-weight:500;color:var(--ink-2);
  border-radius:10px;white-space:nowrap;transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;
  background:var(--red);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--red);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}

.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0}
.search-box{
  display:flex;align-items:center;gap:8px;width:206px;height:40px;padding:0 14px;
  background:var(--surface-2);border:1px solid transparent;border-radius:var(--pill);
  transition:border-color .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
}
.search-box:focus-within{background:#fff;border-color:var(--red);box-shadow:0 0 0 3px rgba(194,31,46,.14)}
.search-box svg{width:16px;height:16px;stroke:var(--ink-3);flex-shrink:0}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--ink)}
.search-box input::placeholder{color:var(--ink-3)}

.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--pill);border:1px solid transparent;
  background:var(--red);color:#fff;font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:background .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-main:hover{background:var(--red-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -14px rgba(142,20,32,.7)}
.btn-main:active{transform:translateY(0)}
.btn-main.sm{padding:10px 20px;font-size:14px}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--pill);border:1px solid var(--red);
  background:transparent;color:var(--red);font-size:15px;font-weight:700;
  transition:background .22s var(--ease),transform .22s var(--ease),color .22s var(--ease);
}
.btn-line:hover{background:rgba(194,31,46,.08);color:var(--red-dark);transform:translateY(-2px)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--ink);
  border-bottom:1px solid var(--line);padding-bottom:3px;
  transition:color .22s var(--ease),border-color .22s var(--ease);
}
.btn-text:hover{color:var(--red);border-color:var(--red)}

.nav-toggle{
  display:none;align-items:center;justify-content:center;width:42px;height:42px;
  border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:background .2s var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink);border-radius:2px;transition:transform .24s var(--ease)}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
.nav-toggle.open span{background:transparent}
.nav-toggle.open span::before{transform:translateY(5px) rotate(45deg)}
.nav-toggle.open span::after{transform:translateY(-5px) rotate(-45deg)}

.mobile-nav{display:none;border-top:1px solid var(--line);background:#fff}
.mobile-nav.open{display:block}
.mobile-nav .wrap{padding-top:8px;padding-bottom:18px}
.mobile-nav a{
  display:block;padding:13px 2px;font-size:15.5px;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.mobile-nav a:last-child{border-bottom:0}
.mobile-nav a.active{color:var(--red);font-weight:700}

@media (max-width:1139.98px){
  .main-nav{display:none}
  .search-box{display:none}
  .nav-toggle{display:inline-flex}
}
@media (min-width:1140px){
  .mobile-nav{display:none !important}
}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;font-weight:500;color:var(--ink-3);
  padding:28px 0 0;
}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--red)}
.crumb .sep{color:#C9C0B1}
.crumb-cur{color:var(--ink-2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头部 ============ */
.article-stage{padding-bottom:0}
.art-head{max-width:860px;padding:22px 0 0}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:var(--pill);
  font-size:13px;font-weight:600;line-height:1.6;
  color:var(--olive);background:rgba(47,107,83,.08);border:1px solid rgba(47,107,83,.28);
}
.chip.red{color:var(--red);background:rgba(194,31,46,.06);border-color:rgba(194,31,46,.26)}
.art-title{
  margin:18px 0 0;font-size:clamp(30px,4.4vw,50px);font-weight:900;line-height:1.15;
  letter-spacing:-.02em;color:var(--ink);
}
.art-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:20px;font-size:13px;font-weight:500;color:var(--ink-3);
}
.art-meta .dot{width:4px;height:4px;border-radius:50%;background:#C9C0B1}
.art-cover{
  margin-top:32px;border-radius:var(--r-lg);overflow:hidden;background:var(--surface-2);
  aspect-ratio:16/9;box-shadow:var(--sh-1);
}
.art-cover img{width:100%;height:100%;object-fit:cover}

/* ============ 正文 ============ */
.article-body{
  max-width:760px;margin:0 auto;padding:52px 0 8px;
  font-size:16px;line-height:1.9;color:var(--ink);
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  margin:40px 0 16px;padding-left:14px;border-left:3px solid var(--red);
  font-size:clamp(22px,2.4vw,30px);font-weight:800;line-height:1.3;letter-spacing:-.01em;
}
.article-body h3{margin:28px 0 12px;font-size:20px;font-weight:700;line-height:1.4}
.article-body h4{margin:22px 0 10px;font-size:17px;font-weight:700}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0;list-style:none}
.article-body li{position:relative;padding-left:20px;margin-bottom:10px}
.article-body li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--red);
}
.article-body ol{counter-reset:li}
.article-body ol li::before{
  counter-increment:li;content:counter(li);inset:auto;
  width:auto;height:auto;background:none;color:var(--red);font-weight:700;font-size:14px;
  top:0;left:0;
}
.article-body ol li{padding-left:24px}
.article-body blockquote{
  margin:26px 0;padding:16px 22px;border-left:3px solid var(--red);
  background:var(--surface-2);border-radius:0 var(--r-in) var(--r-in) 0;
  color:var(--ink-2);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{width:auto;max-width:100%;height:auto;margin:26px auto;border-radius:var(--r-img)}
.article-body figure{margin:26px 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--ink-3)}
.article-body a{color:var(--red);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--red-dark)}
.article-body strong{font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:var(--surface-2);font-weight:700}

.tag-row{
  max-width:760px;margin:36px auto 0;display:flex;flex-wrap:wrap;gap:10px;
}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--pill);
  font-size:13px;font-weight:600;color:var(--red);
  background:rgba(194,31,46,.06);border:1px solid rgba(194,31,46,.24);
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.tag:hover{background:var(--red);color:#fff;transform:translateY(-2px)}
.tag.olive{color:var(--olive);background:rgba(47,107,83,.08);border-color:rgba(47,107,83,.26)}
.tag.olive:hover{background:var(--olive);color:#fff}

/* 空态 */
.empty-state{
  max-width:760px;margin:40px auto 0;padding:56px 32px;text-align:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
}
.empty-state .ring{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;
}
.empty-state .ring svg{width:24px;height:24px;stroke:var(--ink-3)}
.empty-state h2{margin:0 0 10px;font-size:20px;font-weight:800}
.empty-state p{margin:0 0 22px;color:var(--ink-3);font-size:14.5px}

/* ============ 相关推荐 ============ */
.section{padding:var(--sec) 0 0}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px}
.sec-title{margin:0;font-size:clamp(24px,3vw,36px);font-weight:800;letter-spacing:-.02em;line-height:1.2}
.sec-sub{margin:10px 0 0;font-size:15px;color:var(--ink-2);max-width:640px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
.rel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#DCD3C5}
.rel-thumb{aspect-ratio:3/4;overflow:hidden;background:var(--surface-2)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{margin:0;font-size:16.5px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card:hover .rel-body h3{color:var(--red)}
.rel-body p{margin:0;font-size:14px;line-height:1.75;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;font-weight:500;color:var(--ink-3);
}
.rel-foot .arrow{transition:transform .24s var(--ease);color:var(--red);font-weight:800}
.rel-card:hover .rel-foot .arrow{transform:translateX(4px)}

/* ============ 上下篇 + 返回 ============ */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:48px;border-top:1px solid var(--line)}
.pager a{
  padding:24px 8px;display:flex;flex-direction:column;gap:8px;
  transition:background .22s var(--ease);
}
.pager a:hover{background:rgba(255,255,255,.7)}
.pager a:first-child{border-right:1px solid var(--line);padding-right:28px}
.pager a:last-child{align-items:flex-end;text-align:right;padding-left:28px}
.pager .k{font-size:12.5px;font-weight:600;letter-spacing:.08em;color:var(--ink-3)}
.pager .v{font-size:16px;font-weight:700;color:var(--ink);line-height:1.5}
.pager a:hover .v{color:var(--red)}
.back-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ============ CTA 条 ============ */
.cta-band{
  margin-top:var(--sec);background:var(--dark);border-radius:var(--r-lg);
  padding:56px 48px;color:#F3EEE4;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(194,31,46,.42),rgba(194,31,46,0) 70%);
}
.cta-band .inner{position:relative;z-index:1;display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center}
.cta-band h2{margin:0 0 12px;font-size:clamp(24px,2.8vw,34px);font-weight:900;letter-spacing:-.02em;line-height:1.2;color:#fff}
.cta-band p{margin:0;font-size:15px;line-height:1.85;color:#C9C0B1;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-band .btn-line{border-color:rgba(243,238,228,.5);color:#F3EEE4}
.cta-band .btn-line:hover{background:rgba(243,238,228,.12);color:#fff}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#D8D1C6;margin-top:var(--sec);padding:72px 0 32px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-mark{background:var(--red)}
.foot-brand span:last-child{font-size:16.5px;font-weight:800;color:#fff;letter-spacing:-.01em}
.foot-desc{margin:0;font-size:14px;line-height:1.9;color:#A79E92}
.foot-title{margin:0 0 16px;font-size:14px;font-weight:700;color:var(--gold);letter-spacing:.02em}
.foot-link{display:block;font-size:14px;color:#A79E92;padding:5px 0;transition:color .22s var(--ease),transform .22s var(--ease)}
.foot-link:hover{color:#fff;transform:translateX(3px)}
.foot-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8C8478;
}

/* ============ 吸底 CTA ============ */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;display:none;
  align-items:center;justify-content:space-between;gap:14px;
  padding:10px 16px;background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -10px 26px -20px rgba(22,19,15,.7);
}
.mobile-cta p{margin:0;font-size:13px;font-weight:600;color:var(--ink-2);line-height:1.5}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1 !important;transform:none !important;transition:none !important}
  *{animation:none !important;transition-duration:.01ms !important}
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .wrap{padding:0 24px}
  :root{--sec:84px}
}
@media (max-width:991.98px){
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band .inner{grid-template-columns:1fr;gap:24px}
  .cta-actions{justify-content:flex-start}
  .cta-band{padding:44px 32px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  :root{--sec:64px}
  .wrap{padding:0 20px}
  .pager{grid-template-columns:1fr}
  .pager a:first-child{border-right:0;border-bottom:1px solid var(--line);padding-right:8px}
  .pager a:last-child{align-items:flex-start;text-align:left;padding-left:8px}
  .mobile-cta{display:flex}
  body{padding-bottom:74px}
  .article-body{padding-top:40px}
  .tag-row{margin-top:28px}
}
@media (max-width:575.98px){
  .header-inner{height:62px;gap:12px}
  .brand-text{font-size:15.5px}
  .rel-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:34px 22px}
  .art-cover{aspect-ratio:4/3;border-radius:var(--r-md)}
  .empty-state{padding:40px 20px}
  .btn-main,.btn-line{padding:12px 22px;font-size:14.5px}
}

/* roulang page: category1 */
:root{
  --brand:#C21F2E;
  --brand-dark:#8E1420;
  --olive:#2F6B53;
  --sand:#B99358;
  --bg:#F8F5EF;
  --surface:#FFFFFF;
  --surface-2:#F1ECE3;
  --dark:#16130F;
  --ink:#16130F;
  --ink-2:#4A443C;
  --ink-3:#857C6F;
  --line:#E4DED3;
  --r-lg:24px;
  --r-md:18px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --sh:0 1px 2px rgba(22,19,15,.04), 0 12px 32px -12px rgba(22,19,15,.14);
  --sh-hover:0 2px 4px rgba(22,19,15,.06), 0 22px 44px -16px rgba(22,19,15,.24);
  --ease:cubic-bezier(.2,.7,.2,1);
  --sec:112px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-0.01em}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,.accordion-button:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  box-shadow:0 0 0 5px rgba(194,31,46,.16);
}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
.sec{padding:var(--sec) 0}
.sec-tight{padding:72px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand);text-transform:uppercase;
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--brand);display:block}
.h2{font-size:clamp(24px,3vw,36px);font-weight:800;letter-spacing:-0.02em}
.lead{color:var(--ink-2);font-size:17px;line-height:1.9}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.scrolled{box-shadow:0 8px 26px -18px rgba(22,19,15,.4)}
.header-inner{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--brand);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:0 6px 14px -8px rgba(194,31,46,.9);
}
.brand-mark svg{width:19px;height:19px}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-0.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-link{
  position:relative;display:inline-block;
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  padding:10px 12px;border-radius:var(--r-pill);
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{
  display:flex;align-items:center;gap:6px;
  background:var(--surface-2);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:6px 6px 6px 16px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(194,31,46,.1)}
.nav-search input{
  border:0;background:transparent;outline:none;width:150px;
  font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search button{
  width:30px;height:30px;border:0;border-radius:50%;
  background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .22s var(--ease);
}
.nav-search button:hover{background:var(--brand-dark)}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;
  border-radius:12px;cursor:pointer;padding:0;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);margin:3px auto;border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease)}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(5px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.mobile-nav{display:none;border-top:1px solid var(--line);background:#fff;padding:10px 20px 20px}
body.nav-open .mobile-nav{display:block}
.mobile-nav a{
  display:block;padding:13px 4px;font-size:16px;font-weight:500;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.mobile-nav a:last-child{border-bottom:0}
.mobile-nav a.active{color:var(--brand);font-weight:700}

/* ============ Buttons ============ */
.btn-brand,.btn-ghost,.btn-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;line-height:1;
  padding:15px 28px;border-radius:var(--r-pill);border:1px solid transparent;
  cursor:pointer;transition:all .24s var(--ease);white-space:nowrap;
}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 12px 24px -14px rgba(194,31,46,.9)}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 18px 30px -14px rgba(142,20,32,.85)}
.btn-ghost{background:transparent;color:var(--brand);border-color:rgba(194,31,46,.55)}
.btn-ghost:hover{background:rgba(194,31,46,.08);color:var(--brand-dark);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{background:#fff;color:var(--brand-dark);transform:translateY(-2px);box-shadow:0 16px 28px -16px rgba(0,0,0,.7)}
.btn-sm{padding:11px 20px;font-size:14px}

/* ============ Tags ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;line-height:1;
  padding:6px 13px;border-radius:var(--r-pill);border:1px solid transparent;
}
.tag-red{color:var(--brand);border-color:rgba(194,31,46,.32);background:rgba(194,31,46,.06)}
.tag-olive{color:var(--olive);border-color:rgba(47,107,83,.32);background:rgba(47,107,83,.07)}
.tag-sand{color:#8a6c35;border-color:rgba(185,147,88,.45);background:rgba(185,147,88,.12)}
.tag-dark{color:#fff;background:rgba(22,19,15,.72);border-color:rgba(255,255,255,.24)}

/* ============ Hero ============ */
.hero{padding-top:34px}
.hero-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  min-height:430px;display:flex;align-items:flex-end;
  background:#2a2622 url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  box-shadow:var(--sh);
}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(15,12,9,.9) 0%,rgba(15,12,9,.74) 46%,rgba(15,12,9,.36) 100%);
}
.hero-inner{position:relative;z-index:2;padding:56px;max-width:760px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:#fff}
.crumb .sep{color:rgba(255,255,255,.35)}
.hero h1{
  font-size:clamp(30px,5vw,54px);font-weight:900;line-height:1.15;letter-spacing:-0.02em;
  color:#fff;margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:#fff}
.hero-sub{color:rgba(255,255,255,.86);font-size:17px;line-height:1.85;max-width:620px;margin-bottom:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}

/* ============ Intro ============ */
.intro-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:start}
.intro-side .h2{margin-bottom:16px}
.stat-row{display:flex;gap:34px;margin-top:30px;flex-wrap:wrap}
.stat{min-width:110px}
.stat b{display:block;font-size:32px;font-weight:900;color:var(--brand);letter-spacing:-0.02em;font-variant-numeric:tabular-nums}
.stat span{font-size:13px;color:var(--ink-3)}

/* ============ Split (图文交替) ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split + .split{margin-top:84px}
.split-media{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  aspect-ratio:4/3;background:var(--surface-2);box-shadow:var(--sh);
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.split-media:hover img{transform:scale(1.03)}
.split-media .float-tag{
  position:absolute;left:16px;top:16px;z-index:2;
}
.split-body h3{font-size:clamp(20px,2.2vw,26px);font-weight:800;margin-bottom:14px}
.split-body p{color:var(--ink-2);font-size:16px;line-height:1.9}
.split.reverse .split-media{order:2}
.split.reverse .split-body{order:1}
.check-list{margin-top:20px;display:grid;gap:12px}
.check-list li{position:relative;padding-left:22px;color:var(--ink-2);font-size:15.5px;line-height:1.8}
.check-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;background:var(--brand);
}
.check-list li b{color:var(--ink);font-weight:700}

/* ============ Numbered rows ============ */
.rows{border-top:1px solid var(--line);margin-top:36px}
.row-item{
  display:grid;grid-template-columns:96px minmax(0,1fr) 130px 40px;
  align-items:center;gap:24px;padding:28px 4px;border-bottom:1px solid var(--line);
  transition:background .24s var(--ease),padding .24s var(--ease);
}
.row-item:hover{background:var(--surface);padding-left:16px;padding-right:16px}
.row-num{font-size:34px;font-weight:900;color:var(--surface-2);letter-spacing:-0.03em;font-variant-numeric:tabular-nums;line-height:1}
.row-item:hover .row-num{color:rgba(194,31,46,.28)}
.row-main h4{font-size:18px;font-weight:700;margin-bottom:6px}
.row-main p{font-size:14.5px;color:var(--ink-3);margin:0;line-height:1.75}
.row-meta{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.row-arrow{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--ink-2);
  transition:all .24s var(--ease);
}
.row-item:hover .row-arrow{background:var(--brand);border-color:var(--brand);color:#fff}

/* ============ Tip band ============ */
.band{
  background:var(--surface-2);border-radius:var(--r-lg);
  padding:44px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:44px;align-items:center;
  border:1px solid var(--line);
}
.band h3{font-size:22px;font-weight:800;margin-bottom:10px}
.band .lead{font-size:15.5px}
.tip-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.tip{
  background:#fff;border-radius:var(--r-md);padding:20px;border:1px solid var(--line);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.tip:hover{transform:translateY(-2px);box-shadow:var(--sh)}
.tip b{display:block;font-size:15.5px;font-weight:700;margin-bottom:6px}
.tip span{font-size:14px;color:var(--ink-3);line-height:1.75}

/* ============ FAQ ============ */
.faq-wrap{max-width:760px;margin:0 auto}
.accordion-item{background:transparent;border:0;border-top:1px solid var(--line)}
.accordion-item:last-child{border-bottom:1px solid var(--line)}
.accordion-button{
  background:transparent;color:var(--ink);
  font-size:17px;font-weight:700;line-height:1.6;
  padding:24px 44px 24px 0;box-shadow:none;border-radius:0;
}
.accordion-button:not(.collapsed){background:transparent;color:var(--brand);box-shadow:none}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:-2px}
.accordion-button::after{
  content:"+";background-image:none;width:auto;height:auto;
  font-size:24px;font-weight:400;color:var(--brand);line-height:1;
  display:flex;align-items:center;justify-content:center;
  transform:none;transition:transform .24s var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.accordion-body{padding:0 8px 26px 0;color:var(--ink-2);font-size:15px;line-height:1.88;margin:0;background:transparent}
.accordion-body p{margin-bottom:.9em}

/* ============ CTA ============ */
.cta-card{
  background:var(--dark);color:#fff;border-radius:var(--r-lg);
  padding:56px;display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-card::before{
  content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(194,31,46,.55),rgba(194,31,46,0) 68%);
}
.cta-card h2{font-size:clamp(24px,3vw,34px);font-weight:900;margin-bottom:14px;position:relative;z-index:1}
.cta-card p{color:rgba(255,255,255,.76);font-size:16px;position:relative;z-index:1;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:1}
.cta-note{margin-top:16px;font-size:13px;color:rgba(255,255,255,.55);position:relative;z-index:1}

/* ============ Footer ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.82);margin-top:var(--sec);padding:72px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:16px}
.foot-brand .brand-mark{background:var(--brand)}
.foot-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);margin:0}
.foot-title{font-size:14px;font-weight:700;color:var(--sand);letter-spacing:.04em;margin-bottom:16px}
.foot-link{display:block;font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);padding:3px 0}
.foot-link:hover{color:#fff}
.foot-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ Sticky CTA ============ */
.sticky-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:#fff;border-top:1px solid var(--line);
  padding:10px 20px;align-items:center;gap:14px;
  box-shadow:0 -10px 30px -18px rgba(22,19,15,.4);
}
.sticky-cta span{font-size:13.5px;color:var(--ink-2);flex:1;line-height:1.4}

/* ============ Reveal ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ============ Responsive ============ */
@media (max-width:1199px){
  .nav-search{display:none}
  .wrap{padding:0 24px}
}
@media (max-width:991px){
  :root{--sec:80px}
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .brand{margin-right:auto}
  .hero-inner{padding:40px}
  .intro-grid{grid-template-columns:1fr;gap:28px}
  .split{grid-template-columns:1fr;gap:28px}
  .split.reverse .split-media{order:0}
  .split.reverse .split-body{order:0}
  .split + .split{margin-top:64px}
  .band{grid-template-columns:1fr;padding:32px}
  .cta-card{grid-template-columns:1fr;padding:40px}
  .cta-actions{justify-content:flex-start}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sec:64px}
  body{padding-bottom:74px}
  .wrap{padding:0 20px}
  .hero h1{font-size:clamp(28px,8vw,38px)}
  .hero-card{min-height:400px}
  .hero-inner{padding:28px 22px 32px}
  .hero-cta{width:100%}
  .hero-cta .btn-brand,.hero-cta .btn-ghost{flex:1 1 100%}
  .row-item{grid-template-columns:56px minmax(0,1fr) 32px;gap:14px;padding:22px 0}
  .row-meta{display:none}
  .row-num{font-size:26px}
  .tip-grid{grid-template-columns:1fr}
  .stat-row{gap:24px}
  .sticky-cta{display:flex}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;gap:6px}
  .cta-card{padding:32px 24px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --red:#C21F2E;
  --red-dark:#8E1420;
  --olive:#2F6B53;
  --gold:#B99358;
  --bg:#F8F5EF;
  --surface:#FFFFFF;
  --surface-2:#F1ECE3;
  --ink:#16130F;
  --ink-2:#4A443C;
  --ink-3:#857C6F;
  --line:#E4DED3;
  --r-lg:24px;
  --r-md:18px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,19,15,.04), 0 12px 32px -12px rgba(22,19,15,.14);
  --sh-2:0 2px 4px rgba(22,19,15,.05), 0 22px 48px -16px rgba(22,19,15,.22);
  --ease:cubic-bezier(.2,.7,.2,1);
  --sec-gap:clamp(64px,8vw,112px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul{list-style:none;padding:0}
.num{font-variant-numeric:tabular-nums}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (max-width:767px){.wrap{padding:0 20px}}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-cta{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  border-radius:var(--r-pill);font-weight:700;font-size:15px;line-height:1;
  padding:14px 28px;border:1px solid transparent;cursor:pointer;
  transition:transform 220ms var(--ease),background-color 220ms var(--ease),box-shadow 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease);
}
.btn-main{background:var(--red);color:#fff;box-shadow:0 8px 20px -12px rgba(194,31,46,.9)}
.btn-main:hover{background:var(--red-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(194,31,46,.95)}
.btn-ghost{background:transparent;color:var(--red);border-color:var(--red)}
.btn-ghost:hover{background:rgba(194,31,46,.08);color:var(--red-dark);transform:translateY(-2px)}
.btn-ghost.on-dark{color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost.on-dark:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-cta{background:var(--red);color:#fff;padding:11px 22px;font-size:14px}
.btn-cta:hover{background:var(--red-dark);color:#fff;transform:translateY(-2px)}
.btn-line{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--ink-2);border-bottom:1px solid var(--line);padding-bottom:2px;transition:color 200ms var(--ease),border-color 200ms var(--ease)}
.btn-line:hover{color:var(--red);border-color:var(--red)}
:focus-visible{outline:2px solid var(--red);outline-offset:2px;box-shadow:0 0 0 3px rgba(194,31,46,.22);border-radius:6px}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow 240ms var(--ease);
}
.site-header.scrolled{box-shadow:0 10px 28px -18px rgba(22,19,15,.45)}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--red);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
  box-shadow:0 6px 14px -8px rgba(194,31,46,.9);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin:0 auto}
.main-nav .nav-link{
  position:relative;display:inline-block;padding:9px 12px;font-size:15px;
  font-weight:500;color:var(--ink-2);border-radius:8px;white-space:nowrap;
  transition:color 200ms var(--ease),background-color 200ms var(--ease);
}
.main-nav .nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--red);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform 220ms var(--ease);
}
.main-nav .nav-link:hover{color:var(--red);background:rgba(194,31,46,.05)}
.main-nav .nav-link:hover::after,.main-nav .nav-link.active::after{transform:scaleX(1)}
.main-nav .nav-link.active{color:var(--red);font-weight:700}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.search-box{
  display:flex;align-items:center;gap:8px;background:var(--surface-2);
  border:1px solid var(--line);border-radius:var(--r-pill);height:40px;padding:0 14px;
  transition:border-color 200ms var(--ease),background-color 200ms var(--ease);
}
.search-box:focus-within{border-color:var(--red);background:#fff}
.search-box svg{width:15px;height:15px;stroke:var(--ink-3);flex-shrink:0}
.search-box input{border:0;background:transparent;outline:none;font-size:14px;width:132px;color:var(--ink)}
.search-box input::placeholder{color:var(--ink-3)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:18px;height:18px;stroke:var(--ink)}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:10px 0 16px}
.mobile-panel.open{display:block}
.mobile-panel .wrap{display:flex;flex-direction:column}
.mobile-panel a{padding:12px 4px;font-size:15px;font-weight:600;color:var(--ink-2);border-bottom:1px solid var(--line)}
.mobile-panel a.active{color:var(--red)}
@media (max-width:1199px){.search-box input{width:100px}}
@media (max-width:991px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .search-box{display:none}
}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(rgba(22,19,15,.84),rgba(22,19,15,.88)),url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.cat-hero .inner{padding:76px 0 70px;max-width:820px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.72);transition:color 200ms var(--ease)}
.crumb a:hover{color:var(--gold)}
.crumb .sep{color:rgba(255,255,255,.35)}
.cat-hero h1{
  font-size:clamp(30px,5vw,54px);font-weight:900;line-height:1.15;letter-spacing:-.02em;
  margin-bottom:18px;
}
.cat-hero h1 em{font-style:normal;color:var(--gold)}
.cat-hero .lead{font-size:17px;line-height:1.9;color:rgba(255,255,255,.82);max-width:660px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;border:1px solid rgba(255,255,255,.35);color:rgba(255,255,255,.9);
}
.tag.solid{background:rgba(194,31,46,.18);border-color:rgba(194,31,46,.5);color:#fff}
.tag.olive{background:rgba(47,107,83,.2);border-color:rgba(47,107,83,.55);color:#EAF3EE}
.tag.ink{background:rgba(194,31,46,.06);border-color:rgba(194,31,46,.28);color:var(--red-dark)}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-gap) 0}
.section.tight{padding:clamp(48px,6vw,72px) 0}
.sec-head{margin-bottom:40px;max-width:760px}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  letter-spacing:.08em;color:var(--red);margin-bottom:14px;text-transform:uppercase;
}
.sec-kicker::before{content:"";width:26px;height:2px;background:var(--red);border-radius:2px}
.sec-head h2{font-size:clamp(24px,3vw,36px);font-weight:800;letter-spacing:-.01em;line-height:1.25;margin-bottom:12px}
.sec-head p{font-size:16px;color:var(--ink-2);line-height:1.9}

/* ---------- 说明段 ---------- */
.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start}
.intro-copy p{font-size:16px;line-height:1.95;color:var(--ink-2);margin-bottom:18px}
.intro-copy p:first-child{font-size:18px;color:var(--ink)}
.intro-copy p strong{color:var(--ink);font-weight:700}
.intro-aside{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
}
.intro-aside h3{font-size:18px;font-weight:800;margin-bottom:16px}
.mini-list li{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink-2)}
.mini-list li:last-child{border-bottom:0;padding-bottom:0}
.mini-list .idx{font-weight:900;color:var(--red);font-size:15px;line-height:1.6;font-variant-numeric:tabular-nums}
@media (max-width:991px){.intro-grid{grid-template-columns:1fr;gap:32px}}

/* ---------- 非对称瀑布 ---------- */
.mosaic{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.mosaic .span-2{grid-column:span 2}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.card .body{padding:20px 22px 24px}
.media{position:relative;overflow:hidden;background:var(--surface-2)}
.media img{width:100%;height:100%;object-fit:cover;transition:transform 260ms var(--ease)}
.card:hover .media img{transform:scale(1.03)}
.r-16x9{aspect-ratio:16/9}
.r-4x5{aspect-ratio:4/5}
.r-3x2{aspect-ratio:3/2}
.pill{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;border:1px solid rgba(194,31,46,.28);
  background:rgba(194,31,46,.06);color:var(--red-dark);line-height:1.5;
}
.pill.olive{border-color:rgba(47,107,83,.35);background:rgba(47,107,83,.08);color:var(--olive)}
.card h3{font-size:20px;font-weight:700;line-height:1.45;margin:14px 0 10px;transition:color 220ms var(--ease)}
.card:hover h3{color:var(--red)}
.card p{font-size:15px;color:var(--ink-2);line-height:1.85}
.card .meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--ink-3);margin-top:16px;flex-wrap:wrap}
.card .meta .dot{width:4px;height:4px;border-radius:50%;background:var(--gold)}
.feature-card{display:grid;grid-template-columns:1.05fr .95fr}
.feature-card .body{padding:28px 30px 30px;display:flex;flex-direction:column}
.feature-card h3{font-size:clamp(22px,2.4vw,28px);font-weight:800;margin-top:16px}
.stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-top:auto}
.stat-grid div{background:var(--surface);padding:14px 12px}
.stat-grid span{display:block;font-size:12px;color:var(--ink-3);margin-bottom:4px}
.stat-grid b{font-size:19px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.stat-grid b.r{color:var(--red)}
.stat-grid b.o{color:var(--olive)}
@media (max-width:991px){
  .feature-card{grid-template-columns:1fr}
  .mosaic{gap:16px}
}
@media (max-width:575px){
  .mosaic{grid-template-columns:1fr}
  .mosaic .span-2{grid-column:span 1}
}
.data-point{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line);margin-top:16px;padding-top:12px;
  font-size:13px;color:var(--ink-3);
}
.data-point b{font-size:15px;color:var(--ink);font-weight:800;font-variant-numeric:tabular-nums}

/* ---------- 主区 + 窄边栏 ---------- */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start}
.sidebar{position:sticky;top:92px;display:flex;flex-direction:column;gap:20px}
.side-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1)}
.side-box h4{font-size:16px;font-weight:800;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.side-box h4::before{content:"";width:3px;height:15px;background:var(--red);border-radius:2px}
.cloud{display:flex;flex-wrap:wrap;gap:10px}
.update-list li{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--ink-2);padding:11px 0;border-bottom:1px dashed var(--line)}
.update-list li:last-child{border-bottom:0}
.update-list li span{color:var(--ink-3);font-size:13px;white-space:nowrap}
.side-cta{background:var(--ink);color:#fff;border:0}
.side-cta h4{color:#fff}
.side-cta h4::before{background:var(--gold)}
.side-cta p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);margin-bottom:18px}
@media (max-width:991px){
  .layout{grid-template-columns:1fr;gap:36px}
  .sidebar{position:static}
}

/* ---------- 指标编号行 ---------- */
.metric-rows{border-top:1px solid var(--line)}
.metric-row{
  display:grid;grid-template-columns:110px 1fr 220px;gap:24px;align-items:center;
  padding:30px 0;border-bottom:1px solid var(--line);
  transition:background-color 220ms var(--ease);
}
.metric-row:hover{background:rgba(255,255,255,.7)}
.metric-row .no{font-size:44px;font-weight:900;line-height:1;color:var(--surface-2);-webkit-text-stroke:1px var(--gold);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.metric-row h3{font-size:19px;font-weight:700;margin-bottom:8px}
.metric-row p{font-size:15px;color:var(--ink-2);line-height:1.85}
.metric-row .val{text-align:right;font-size:15px;color:var(--ink-2)}
.metric-row .val b{display:block;font-size:30px;font-weight:900;color:var(--red);font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.2}
@media (max-width:767px){
  .metric-row{grid-template-columns:72px 1fr;gap:16px}
  .metric-row .no{font-size:32px}
  .metric-row .val{grid-column:1/-1;text-align:left}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:760px;margin:0 auto}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0}
.accordion-button{
  background:transparent;color:var(--ink);font-size:17px;font-weight:700;
  padding:22px 4px;box-shadow:none;border:0;border-radius:0!important;
}
.accordion-button:not(.collapsed){background:transparent;color:var(--red)}
.accordion-button:hover{color:var(--red)}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(194,31,46,.18);border-color:transparent}
.accordion-button::after{
  content:"";width:16px;height:16px;flex-shrink:0;margin-left:16px;
  background-image:linear-gradient(var(--red),var(--red)),linear-gradient(var(--red),var(--red));
  background-size:16px 1.6px,1.6px 16px;background-position:center;background-repeat:no-repeat;
  transition:transform 240ms var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.accordion-body{padding:0 4px 24px;font-size:15px;line-height:1.9;color:var(--ink-2)}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);color:#fff;border-radius:var(--r-lg);
  padding:clamp(36px,5vw,56px);display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  border:1px solid rgba(185,147,88,.35);
}
.cta-band h2{font-size:clamp(24px,3vw,34px);font-weight:900;letter-spacing:-.01em;line-height:1.3;margin-bottom:14px}
.cta-band p{font-size:15px;line-height:1.9;color:rgba(255,255,255,.75)}
.cta-band .acts{display:flex;flex-direction:column;gap:14px;position:relative;z-index:1}
@media (max-width:991px){.cta-band{grid-template-columns:1fr;gap:26px}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);margin-top:var(--sec-gap);padding:72px 0 32px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff;font-size:18px;font-weight:800;letter-spacing:-.01em}
.foot-brand .brand-mark{background:var(--red)}
.foot-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6)}
.foot-title{font-size:14px;font-weight:700;color:var(--gold);margin-bottom:16px;letter-spacing:.04em}
.foot-link{display:block;font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);padding:5px 0;transition:color 200ms var(--ease),transform 200ms var(--ease)}
.foot-link:hover{color:#fff;transform:translateX(3px)}
.foot-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
@media (max-width:991px){.foot-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:575px){.foot-grid{grid-template-columns:1fr}}

/* ---------- 吸底 CTA ---------- */
.sticky-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:#fff;border-top:1px solid var(--line);padding:10px 20px;
  align-items:center;justify-content:space-between;gap:14px;
  box-shadow:0 -10px 26px -18px rgba(22,19,15,.5);
}
.sticky-cta span{font-size:13px;color:var(--ink-2);line-height:1.5}
@media (max-width:767px){
  .sticky-cta{display:flex}
  body{padding-bottom:66px}
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 520ms var(--ease),transform 520ms var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --red:#C21F2E;
  --red-dark:#8E1420;
  --olive:#2F6B53;
  --gold:#B99358;
  --bg:#F8F5EF;
  --surface:#FFFFFF;
  --surface-2:#F1ECE3;
  --dark:#16130F;
  --ink:#16130F;
  --ink-2:#4A443C;
  --ink-3:#857C6F;
  --line:#E4DED3;
  --r-lg:24px;
  --r-card:18px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --shadow-card:0 1px 2px rgba(22,19,15,.04), 0 12px 32px -12px rgba(22,19,15,.14);
  --shadow-hover:0 2px 4px rgba(22,19,15,.05), 0 20px 40px -14px rgba(22,19,15,.22);
  --ease:cubic-bezier(.2,.7,.2,1);
  --sp-section:110px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--red)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;line-height:1.24;font-weight:900;letter-spacing:-0.01em}
button{font-family:inherit}
section[id]{scroll-margin-top:92px}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sp-section) 0}
.section--tight{padding:84px 0}
.section--paper{background:var(--surface-2)}
.section--dark{background:var(--dark);color:#fff}

a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,.accordion-button:focus-visible{
  outline:2px solid var(--red);
  outline-offset:3px;
  box-shadow:0 0 0 4px rgba(194,31,46,.16);
  border-radius:8px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 26px -18px rgba(22,19,15,.5)}
.header-inner{
  position:relative;
  display:flex;
  align-items:center;
  gap:18px;
  min-height:68px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  font-weight:900;
  font-size:17px;
  letter-spacing:-0.01em;
  color:var(--ink);
}
.logo:hover{color:var(--ink)}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--red);
  border-radius:10px;
  box-shadow:0 8px 18px -10px rgba(194,31,46,.9);
}
.brand-mark svg{width:20px;height:20px}
.logo-text{white-space:nowrap}
.main-nav{
  display:flex;
  align-items:center;
  gap:2px;
  margin:0 auto;
}
.nav-link{
  position:relative;
  padding:10px 13px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  border-radius:var(--r-pill);
  white-space:nowrap;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:0;
  transform:translateX(-50%);
  width:0;
  height:2px;
  border-radius:2px;
  background:var(--red);
  transition:width .24s var(--ease);
}
.nav-link:hover{color:var(--red);background:rgba(194,31,46,.06)}
.nav-link:hover::after{width:16px}
.nav-link.active{color:var(--red);background:rgba(194,31,46,.08)}
.nav-link.active::after{width:18px}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  background:var(--surface-2);
  border:1px solid transparent;
  border-radius:var(--r-pill);
  padding:8px 14px;
  transition:border-color .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
}
.search-box:focus-within{
  border-color:var(--red);
  background:#fff;
  box-shadow:0 0 0 3px rgba(194,31,46,.14);
}
.search-box svg{width:16px;height:16px;stroke:var(--ink-3);flex:0 0 auto}
.search-box input{
  border:0;
  background:transparent;
  outline:none;
  width:132px;
  font-size:14px;
  color:var(--ink);
  font-family:inherit;
}
.search-box input::placeholder{color:var(--ink-3)}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .24s var(--ease)
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn-ml{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:700;
  line-height:1;
  padding:14px 28px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-ml.btn-sm{padding:11px 20px;font-size:14px}
.btn-primary-ml{background:var(--red);color:#fff;box-shadow:0 12px 26px -14px rgba(194,31,46,.95)}
.btn-primary-ml:hover{background:var(--red-dark);color:#fff;transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(142,20,32,.85)}
.btn-ghost-ml{background:transparent;border-color:var(--red);color:var(--red)}
.btn-ghost-ml:hover{background:rgba(194,31,46,.08);color:var(--red-dark);transform:translateY(-2px)}
.btn-light-ml{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-light-ml:hover{background:#fff;color:var(--red);border-color:var(--red);transform:translateY(-2px)}
.btn-outline-light-ml{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-outline-light-ml:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}

/* ---------- tags ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:500;
  padding:6px 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(194,31,46,.24);
  background:rgba(194,31,46,.06);
  color:var(--red-dark);
  line-height:1.5;
}
.tag-olive{border-color:rgba(47,107,83,.28);background:rgba(47,107,83,.07);color:var(--olive)}
.tag-gold{border-color:rgba(185,147,88,.4);background:rgba(185,147,88,.1);color:#8a6c34}
.tag-onDark{
  border-color:rgba(255,255,255,.3);
  background:rgba(255,255,255,.08);
  color:rgba(255,255,255,.92);
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;
  color:#fff;
  padding:92px 0 84px;
  background-image:linear-gradient(115deg,rgba(22,19,15,.9) 12%,rgba(22,19,15,.72) 58%,rgba(22,19,15,.86) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
}
.cat-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(185,147,88,.7),transparent);
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-bottom:24px;
}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.crumb .sep{opacity:.5}
.crumb .now{color:#fff;font-weight:500}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--gold);
  margin-bottom:18px;
}
.hero-eyebrow::before{content:"";width:26px;height:1px;background:var(--gold);display:inline-block}
.cat-hero h1{
  font-size:clamp(30px,5vw,54px);
  font-weight:900;
  letter-spacing:-0.02em;
  line-height:1.15;
  max-width:900px;
}
.hero-sub{
  margin-top:22px;
  max-width:660px;
  font-size:17px;
  color:rgba(255,255,255,.82);
  line-height:1.9;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}

/* ---------- section heads ---------- */
.eyebrow{
  display:block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--red);
  margin-bottom:14px;
}
.section-head{max-width:740px;margin-bottom:52px}
.section-title{font-size:clamp(24px,3vw,36px);font-weight:900}
.section-sub{margin-top:16px;color:var(--ink-2);font-size:16px}
.on-dark .eyebrow{color:var(--gold)}
.on-dark .section-title{color:#fff}
.on-dark .section-sub{color:rgba(255,255,255,.72)}

/* ---------- intro split ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.intro-text p + p{margin-top:20px}
.intro-text p{color:var(--ink-2)}
.intro-text strong{color:var(--ink);font-weight:700}
.figure{
  border-radius:var(--r-img);
  overflow:hidden;
  background:var(--surface-2);
  box-shadow:var(--shadow-card);
  aspect-ratio:4/3;
}
.figure img{width:100%;height:100%;object-fit:cover}
.fig-note{
  margin-top:12px;
  font-size:13px;
  color:var(--ink-3);
  text-align:center;
}

/* ---------- timeline ---------- */
.timeline{max-width:900px;margin:0 auto}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:72px 1fr;
  gap:26px;
  padding-bottom:34px;
}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";
  position:absolute;
  left:35px;
  top:74px;
  bottom:0;
  width:2px;
  background:linear-gradient(180deg,rgba(194,31,46,.45),rgba(185,147,88,.28));
}
.tl-item:last-child::before{display:none}
.tl-num{
  width:72px;height:72px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  font-size:22px;
  font-weight:900;
  color:var(--red);
  font-variant-numeric:tabular-nums;
  position:relative;
  z-index:1;
}
.tl-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 28px;
  box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(194,31,46,.28)}
.tl-card h3{font-size:20px;font-weight:700;margin-bottom:10px}
.tl-card p{color:var(--ink-2);font-size:15.5px}
.tl-meta{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--ink-3);
}
.tl-meta span{display:inline-flex;align-items:center;gap:6px}
.tl-meta span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold);display:inline-block}

/* ---------- numbered rows ---------- */
.num-rows{border-top:1px solid var(--line)}
.num-row{
  display:grid;
  grid-template-columns:110px 1fr 120px;
  align-items:center;
  gap:24px;
  padding:30px 6px;
  border-bottom:1px solid var(--line);
  transition:background .24s var(--ease),padding-left .24s var(--ease);
}
.num-row:hover{background:rgba(194,31,46,.035);padding-left:14px}
.num-row .big{
  font-size:34px;
  font-weight:900;
  color:rgba(194,31,46,.32);
  font-variant-numeric:tabular-nums;
  line-height:1;
}
.num-row:hover .big{color:var(--red)}
.num-row h3{font-size:19px;font-weight:700;margin-bottom:6px}
.num-row p{color:var(--ink-2);font-size:15px}
.num-row .row-end{
  justify-self:end;
  font-size:13px;
  color:var(--ink-3);
  display:inline-flex;align-items:center;gap:8px;
}
.num-row .row-end svg{width:16px;height:16px;stroke:var(--red);transition:transform .24s var(--ease)}
.num-row:hover .row-end svg{transform:translateX(4px)}

/* ---------- dark band ---------- */
.note-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.note-card{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);
  padding:26px 24px;
  transition:transform .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.note-card:hover{transform:translateY(-2px);border-color:rgba(185,147,88,.6);background:rgba(255,255,255,.07)}
.note-card .n-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  border:1px solid rgba(185,147,88,.55);
  color:var(--gold);
  font-weight:900;
  font-size:14px;
  margin-bottom:18px;
  font-variant-numeric:tabular-nums;
}
.note-card h3{font-size:18px;font-weight:700;color:#fff;margin-bottom:10px}
.note-card p{color:rgba(255,255,255,.72);font-size:15px}

/* ---------- related channel cards ---------- */
.link-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.ch-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.ch-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(194,31,46,.3)}
.ch-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--surface-2)}
.ch-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.ch-card:hover .ch-thumb img{transform:scale(1.03)}
.ch-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.ch-body h3{font-size:17px;font-weight:700;transition:color .22s var(--ease)}
.ch-card:hover .ch-body h3{color:var(--red)}
.ch-body p{font-size:14px;color:var(--ink-2);flex:1}
.ch-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--red);
}
.ch-more svg{width:15px;height:15px;stroke:var(--red);transition:transform .24s var(--ease)}
.ch-card:hover .ch-more svg{transform:translateX(4px)}

/* ---------- faq ---------- */
.faq-wrap{max-width:760px;margin:0 auto}
.accordion-item{
  background:transparent;
  border:0;
  border-top:1px solid var(--line);
}
.accordion-item:last-child{border-bottom:1px solid var(--line)}
.accordion-button{
  position:relative;
  width:100%;
  background:transparent;
  border:0;
  padding:24px 52px 24px 0;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  text-align:left;
  box-shadow:none;
  transition:color .22s var(--ease);
}
.accordion-button:not(.collapsed){color:var(--red);background:transparent;box-shadow:none}
.accordion-button:hover{color:var(--red)}
.accordion-button::after{
  content:"";
  position:absolute;
  right:6px;
  top:50%;
  width:14px;height:14px;
  margin:0;
  transform:translateY(-50%);
  background-image:linear-gradient(var(--red),var(--red)),linear-gradient(var(--red),var(--red));
  background-size:14px 2px,2px 14px;
  background-position:center center,center center;
  background-repeat:no-repeat;
  transition:transform .24s var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(45deg)}
.accordion-body{
  padding:0 52px 26px 0;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
}

/* ---------- cta band ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--red) 0%,var(--red-dark) 100%);
  border-radius:var(--r-lg);
  padding:52px 48px;
  color:#fff;
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:40px;
  align-items:center;
  box-shadow:0 28px 60px -34px rgba(142,20,32,.9);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:900;color:#fff}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.86);font-size:15.5px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.7)}

/* ---------- footer ---------- */
.site-footer{
  background:var(--dark);
  color:#fff;
  padding:76px 0 28px;
  margin-top:0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.15fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.foot-brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:900;color:#fff;
  margin-bottom:16px;
}
.foot-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66)}
.foot-title{
  font-size:14px;font-weight:700;color:var(--gold);
  margin-bottom:16px;letter-spacing:.04em;
}
.foot-link{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,.72);
  padding:6px 0;
  transition:color .22s var(--ease),transform .22s var(--ease);
}
.foot-link:hover{color:#fff;transform:translateX(3px)}
.foot-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:24px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ---------- sticky mobile cta ---------- */
.sticky-cta{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:1040;
  background:#fff;
  border-top:1px solid var(--line);
  padding:12px 20px;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  box-shadow:0 -12px 30px -20px rgba(22,19,15,.6);
}
.sticky-cta span{font-size:13.5px;color:var(--ink-2);font-weight:500}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .wrap{padding:0 24px}
  :root{--sp-section:96px}
  .footer-grid,.foot-grid{grid-template-columns:1.4fr 1fr 1fr;row-gap:34px}
}
@media (max-width:991.98px){
  :root{--sp-section:80px}
  .main-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin:0;
    padding:10px 20px 18px;
    background:#fff;
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    box-shadow:0 26px 44px -28px rgba(22,19,15,.6);
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:14px 10px;border-radius:12px;font-size:15px}
  .nav-link::after{display:none}
  .nav-toggle{display:inline-flex}
  .search-box{padding:9px;width:42px;height:42px;justify-content:center}
  .search-box input{display:none}
  .split{grid-template-columns:1fr;gap:34px}
  .note-grid{grid-template-columns:1fr;gap:18px}
  .link-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .cta-band{grid-template-columns:1fr;padding:40px 30px;gap:26px}
  .cta-actions{justify-content:flex-start}
  .num-row{grid-template-columns:76px 1fr;gap:18px;align-items:start}
  .num-row .row-end{grid-column:2;justify-self:start;margin-top:10px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767.98px){
  :root{--sp-section:64px}
  body{padding-bottom:76px}
  .wrap{padding:0 20px}
  .logo{font-size:16px}
  .logo-text{max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .cat-hero{padding:64px 0 60px}
  .hero-sub{font-size:16px}
  .hero-cta .btn-ml{flex:1 1 auto;justify-content:center}
  .tl-item{grid-template-columns:56px 1fr;gap:16px;padding-bottom:26px}
  .tl-num{width:56px;height:56px;font-size:18px}
  .tl-item::before{left:27px;top:58px}
  .tl-card{padding:22px 20px}
  .link-grid{grid-template-columns:1fr}
  .sticky-cta{display:flex}
  .site-footer{padding-bottom:96px}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .foot-bottom{flex-direction:column}
}
@media (max-width:520px){
  .section-title{font-size:23px}
  .cat-hero h1{font-size:28px}
  .hero-meta{gap:8px}
  .tag{font-size:12.5px;padding:5px 12px}
  .num-row .big{font-size:26px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .tl-card:hover,.note-card:hover,.ch-card:hover,.btn-ml:hover{transform:none}
}

/* roulang page: category5 */
:root{
  --red:#C21F2E;
  --red-dark:#8E1420;
  --olive:#2F6B53;
  --gold:#B99358;
  --bg:#F8F5EF;
  --surface:#FFFFFF;
  --surface-2:#F1ECE3;
  --ink:#16130F;
  --ink-2:#4A443C;
  --ink-3:#857C6F;
  --line:#E4DED3;
  --r-lg:24px;
  --r-md:18px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --shadow-card:0 1px 2px rgba(22,19,15,.04), 0 12px 32px -12px rgba(22,19,15,.14);
  --shadow-hover:0 2px 4px rgba(22,19,15,.06), 0 20px 40px -14px rgba(22,19,15,.20);
  --ease:cubic-bezier(.2,.7,.2,1);
  --t:240ms;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--red);outline-offset:2px;box-shadow:0 0 0 3px rgba(194,31,46,.18)}
::selection{background:rgba(194,31,46,.16)}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--red);text-transform:uppercase;margin-bottom:14px;
}
.sec-eyebrow::before{content:"";width:22px;height:2px;background:var(--red);border-radius:2px}
h2{font-size:clamp(24px,3vw,36px);font-weight:800;letter-spacing:-.01em;line-height:1.25}
.sec-sub{margin-top:14px;color:var(--ink-2);font-size:16px}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t) var(--ease);
}
.site-header.scrolled{box-shadow:0 6px 24px -14px rgba(22,19,15,.28)}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(150deg,var(--red),var(--red-dark));
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px -8px rgba(194,31,46,.8);
}
.brand-mark svg{width:19px;height:19px}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 12px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  white-space:nowrap;transition:color var(--t) var(--ease),background var(--t) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--red);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform var(--t) var(--ease);
}
.nav-link:hover{color:var(--red)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{
  color:var(--red);font-weight:700;background:rgba(194,31,46,.09);
}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:var(--surface-2);
  border:1px solid transparent;
  border-radius:var(--r-pill);
  padding:8px 16px;
  transition:border-color var(--t) var(--ease),background var(--t) var(--ease);
}
.nav-search:focus-within{border-color:var(--red);background:#fff}
.nav-search i{font-size:13px;color:var(--ink-3)}
.nav-search input{
  border:0;background:transparent;outline:none;width:132px;font-size:14px;
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;
}

/* ============ 按钮 ============ */
.btn-red,.btn-ghost,.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-size:15px;font-weight:700;
  padding:14px 28px;border:1px solid transparent;cursor:pointer;
  transition:transform var(--t) var(--ease),background var(--t) var(--ease),box-shadow var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.btn-red{background:var(--red);color:#fff;box-shadow:0 12px 26px -14px rgba(194,31,46,.9)}
.btn-red:hover{background:var(--red-dark);color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px -16px rgba(142,20,32,.95)}
.btn-ghost{background:transparent;color:var(--red);border-color:var(--red)}
.btn-ghost:hover{background:rgba(194,31,46,.08);color:var(--red-dark);transform:translateY(-2px)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;margin-top:68px;
  padding:88px 0 76px;
  background-image:linear-gradient(180deg,rgba(22,19,15,.86),rgba(22,19,15,.78)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#fff;overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:linear-gradient(90deg,var(--red),var(--gold),var(--olive));
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.crumb .sep{color:rgba(255,255,255,.35)}
.crumb .cur{color:var(--gold)}
.cat-hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(185,147,88,.6);
  background:rgba(185,147,88,.14);
  color:var(--gold);font-size:13px;font-weight:700;letter-spacing:.06em;
  margin-bottom:20px;
}
.cat-hero h1{
  font-size:clamp(30px,5vw,54px);font-weight:900;letter-spacing:-.02em;line-height:1.15;
  max-width:900px;
}
.cat-hero .lead{
  margin-top:20px;max-width:660px;
  font-size:17px;line-height:1.85;color:rgba(255,255,255,.82);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-tags span{
  padding:7px 15px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.26);
  background:rgba(255,255,255,.07);
  font-size:13px;color:rgba(255,255,255,.9);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  margin-top:52px;border-radius:var(--r-lg);overflow:hidden;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.16);
}
.hero-stats div{background:rgba(22,19,15,.42);padding:20px 22px}
.hero-stats b{display:block;font-size:26px;font-weight:900;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.hero-stats small{display:block;margin-top:4px;font-size:13px;color:rgba(255,255,255,.7)}

/* ============ 说明段 ============ */
.intro-grid p+p{margin-top:18px}
.intro-grid p{color:var(--ink-2);font-size:16.5px}
.intro-card{
  background:var(--surface);border-radius:var(--r-lg);padding:32px;
  box-shadow:var(--shadow-card);
  border:1px solid var(--line);
}
.intro-card h3{font-size:20px;font-weight:800;margin-bottom:18px}
.intro-list li{
  display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line);
  font-size:15px;color:var(--ink-2);
}
.intro-list li:last-child{border-bottom:0}
.intro-list i{color:var(--olive);font-size:14px;margin-top:6px}

/* ============ 标签云 ============ */
.tag-cloud{
  display:flex;flex-wrap:wrap;gap:12px;
  padding:32px;background:var(--surface-2);
  border-radius:var(--r-lg);
}
.cloud-tag{
  display:inline-flex;align-items:center;
  padding:9px 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.85);
  border:1px solid var(--line);
  color:var(--ink-2);font-size:14px;
  transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),color var(--t) var(--ease),background var(--t) var(--ease);
}
.cloud-tag:hover{
  transform:translateY(-2px);border-color:var(--red);color:var(--red);
  background:rgba(194,31,46,.06);
}
.cloud-tag.lg{font-size:16px;font-weight:700;color:var(--ink);padding:11px 22px}
.cloud-tag.md{font-size:15px}
.cloud-tag.olive{border-color:rgba(47,107,83,.35);color:var(--olive);background:rgba(47,107,83,.07)}
.cloud-tag.olive:hover{border-color:var(--olive);color:var(--olive);background:rgba(47,107,83,.13)}
.cloud-tag.gold{border-color:rgba(185,147,88,.45);color:#8a6c36;background:rgba(185,147,88,.10)}

/* ============ 横向滚动短卡 ============ */
.rail-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.rail-arrows{display:flex;gap:10px}
.rail-arrows button{
  width:42px;height:42px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all var(--t) var(--ease);
}
.rail-arrows button:hover{border-color:var(--red);color:var(--red);transform:translateY(-2px)}
.scroll-rail{
  display:flex;gap:20px;overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 4px 22px;
  scrollbar-width:thin;
}
.scroll-rail::-webkit-scrollbar{height:6px}
.scroll-rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.rail-card{
  flex:0 0 240px;scroll-snap-align:start;
  background:var(--surface);border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.rail-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.rail-thumb{
  position:relative;width:100%;aspect-ratio:4/5;
  background:var(--surface-2);overflow:hidden;
}
.rail-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.rail-card:hover .rail-thumb img{transform:scale(1.03)}
.rail-thumb .pill{
  position:absolute;top:12px;left:12px;
  padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(194,31,46,.92);color:#fff;font-size:12px;font-weight:700;
}
.rail-body{padding:18px 18px 20px}
.rail-body h3{font-size:16px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-body .meta{margin-top:10px;font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:8px}
.rail-body .meta i{color:var(--gold);font-size:11px}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-group-title{
  display:flex;align-items:center;gap:12px;
  font-size:15px;font-weight:700;color:var(--ink-2);
  margin:44px 0 8px;
}
.faq-group-title:first-child{margin-top:0}
.faq-group-title::after{content:"";flex:1;height:1px;background:var(--line)}
.faq-group-title i{color:var(--red);font-size:13px}
.accordion-item{background:transparent;border:0;border-top:1px solid var(--line)}
.accordion-item:last-child{border-bottom:1px solid var(--line)}
.accordion-button{
  background:transparent;color:var(--ink);
  font-size:17px;font-weight:700;line-height:1.6;
  padding:22px 48px 22px 0;border:0;box-shadow:none;border-radius:0;
}
.accordion-button:not(.collapsed){color:var(--red);background:transparent;box-shadow:none}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-button:focus-visible{outline:2px solid var(--red);outline-offset:-2px;box-shadow:0 0 0 3px rgba(194,31,46,.18)}
.accordion-button::after{
  width:16px;height:16px;background-size:16px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 2v12M2 8h12' stroke='%23C21F2E' stroke-width='1.8' stroke-linecap='round' fill='none'/%3E%3C/svg%3E");
  transition:transform var(--t) var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.accordion-body{
  padding:0 48px 24px 0;
  font-size:15px;line-height:1.85;color:var(--ink-2);
}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:30px 26px;box-shadow:var(--shadow-card);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.step b{
  display:block;font-size:44px;font-weight:900;line-height:1;
  color:var(--red);font-variant-numeric:tabular-nums;letter-spacing:-.03em;
}
.step h3{font-size:18px;font-weight:800;margin:16px 0 10px}
.step p{font-size:15px;color:var(--ink-2)}

/* ============ CTA + 反馈表单 ============ */
.cta-panel{
  background:var(--ink);color:#fff;border-radius:var(--r-lg);
  padding:56px;display:grid;grid-template-columns:1fr 1fr;gap:52px;
  box-shadow:0 30px 60px -40px rgba(22,19,15,.8);
}
.cta-panel h2{color:#fff}
.cta-panel .sec-sub{color:rgba(255,255,255,.7)}
.cta-points{margin-top:28px;display:grid;gap:14px}
.cta-points li{display:flex;gap:12px;font-size:15px;color:rgba(255,255,255,.82)}
.cta-points i{color:var(--gold);margin-top:6px;font-size:13px}
.form-grid{display:grid;gap:16px}
.field label{display:block;font-size:13px;font-weight:700;color:rgba(255,255,255,.75);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-input);
  padding:12px 14px;color:#fff;font-size:15px;
  transition:border-color var(--t) var(--ease),background var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.4)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--red);background:rgba(255,255,255,.1);
  box-shadow:0 0 0 3px rgba(194,31,46,.28);
}
.field select{
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23B99358' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:12px;
  padding-right:38px;
}
.field select option{color:#16130F}
.field textarea{min-height:104px;resize:vertical}
.form-note{font-size:13px;color:rgba(255,255,255,.55)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:76px 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;color:#fff;font-size:18px;font-weight:800}
.foot-brand .brand-mark{width:32px;height:32px;border-radius:10px}
.foot-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62)}
.foot-title{font-size:14px;font-weight:700;color:var(--gold);letter-spacing:.06em;margin-bottom:16px}
.foot-link{display:block;font-size:14px;color:rgba(255,255,255,.7);padding:6px 0;transition:color var(--t) var(--ease),transform var(--t) var(--ease)}
.foot-link:hover{color:#fff;transform:translateX(3px)}
.foot-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 移动端吸底 CTA ============ */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:#fff;border-top:1px solid var(--line);
  padding:12px 16px;align-items:center;gap:12px;
  box-shadow:0 -8px 24px -18px rgba(22,19,15,.5);
}
.mobile-cta span{font-size:13px;color:var(--ink-2);flex:1;line-height:1.5}
.mobile-cta .btn-red{padding:10px 18px;font-size:14px;white-space:nowrap}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 560ms var(--ease),transform 560ms var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .wrap{padding-left:24px;padding-right:24px}
  .nav-search input{width:104px}
  .nav-link{padding:8px 9px;font-size:14px}
}
@media (max-width:991.98px){
  .main-nav{
    position:absolute;top:68px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:14px 24px 20px;margin-left:0;
    box-shadow:0 24px 40px -28px rgba(22,19,15,.5);
    display:none;
  }
  .main-nav.open{display:flex}
  .nav-link{padding:12px 10px;font-size:15px;border-radius:12px}
  .nav-link::after{display:none}
  .nav-toggle{display:flex}
  .cat-hero{padding:64px 0 60px}
  .hero-stats{grid-template-columns:1fr;gap:1px}
  .section{padding:80px 0}
  .cta-panel{grid-template-columns:1fr;padding:40px;gap:34px}
  .steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767.98px){
  .nav-search{display:none}
  .brand-text{font-size:17px}
  .cat-hero h1{font-size:clamp(28px,7vw,38px)}
  .cat-hero .lead{font-size:16px}
  .section{padding:64px 0}
  .section-tight{padding:56px 0}
  .rail-card{flex:0 0 78%}
  .accordion-button{font-size:16px;padding-right:40px}
  .accordion-body{padding-right:16px}
  .mobile-cta{display:flex}
  .site-footer{padding-bottom:96px}
  .foot-grid{grid-template-columns:1fr}
  .tag-cloud{padding:22px}
  .intro-card{padding:24px}
}
@media (max-width:575.98px){
  .wrap{padding-left:20px;padding-right:20px}
  .rail-card{flex:0 0 86%}
  .cta-panel{padding:28px 22px}
  .btn-red,.btn-ghost,.btn-ghost-light{padding:12px 22px;font-size:14.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category4 */
:root{
  --brand:#C21F2E;
  --brand-dark:#8E1420;
  --olive:#2F6B53;
  --sand:#B99358;
  --bg:#F8F5EF;
  --surface:#FFFFFF;
  --surface-2:#F1ECE3;
  --surface-3:#FBF9F4;
  --dark:#16130F;
  --ink:#16130F;
  --muted:#4A443C;
  --weak:#857C6F;
  --line:#E4DED3;
  --r-lg:24px;
  --r-card:18px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(22,19,15,.04), 0 12px 32px -12px rgba(22,19,15,.14);
  --sh-hover:0 2px 6px rgba(22,19,15,.06), 0 22px 46px -18px rgba(22,19,15,.24);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.9;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:800;letter-spacing:-.01em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;box-shadow:0 0 0 3px rgba(194,31,46,.18)}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(248,245,239,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 26px -18px rgba(22,19,15,.45)}
.header-inner{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--brand);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:0 8px 16px -9px rgba(194,31,46,.9);
}
.brand-mark svg{width:18px;height:18px}
.brand-text{font-weight:800;font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 12px;font-size:14.5px;font-weight:500;
  color:var(--muted);border-radius:10px;white-space:nowrap;
  transition:color .22s var(--ease),background-color .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:3px;width:16px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:translate(-50%,5px) scaleX(0);opacity:0;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.nav-link:hover{color:var(--ink);background:rgba(22,19,15,.04)}
.nav-link:hover::after{transform:translate(-50%,0) scaleX(1);opacity:1}
.nav-link.active{color:var(--brand);background:rgba(194,31,46,.08);font-weight:700}
.nav-link.active::after{transform:translate(-50%,0) scaleX(1);opacity:1}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.search-box{position:relative;display:flex;align-items:center}
.search-box .s-icon{position:absolute;left:14px;width:16px;height:16px;pointer-events:none}
.search-box .s-icon svg{width:16px;height:16px;stroke:var(--weak);fill:none;stroke-width:1.8;stroke-linecap:round}
.search-box input{
  width:210px;padding:10px 16px 10px 38px;border:1px solid var(--line);
  border-radius:var(--r-pill);background:#fff;font-size:14px;color:var(--ink);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),width .24s var(--ease);
}
.search-box input::placeholder{color:var(--weak)}
.search-box input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(194,31,46,.14);outline:none}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);background:var(--brand);color:#fff;
  font-size:15px;font-weight:700;letter-spacing:.01em;border:1px solid transparent;
  box-shadow:0 12px 26px -16px rgba(194,31,46,.95);
  transition:background-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 18px 32px -16px rgba(142,20,32,1)}
.btn-main:active{transform:translateY(0)}
.header-actions .btn-main{padding:10px 20px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 25px;border-radius:var(--r-pill);border:1px solid var(--brand);
  color:var(--brand);background:transparent;font-size:15px;font-weight:700;
  transition:background-color .22s var(--ease),transform .22s var(--ease),color .22s var(--ease);
}
.btn-ghost:hover{background:rgba(194,31,46,.08);color:var(--brand-dark);transform:translateY(-2px)}
.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 26px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.4);
  color:#fff;background:transparent;font-size:15px;font-weight:700;
  transition:background-color .22s var(--ease),transform .22s var(--ease);
}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.btn-light{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 26px;border-radius:var(--r-pill);background:#fff;color:var(--dark);
  font-size:15px;font-weight:700;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-light:hover{color:var(--brand);transform:translateY(-2px);box-shadow:0 16px 30px -18px rgba(0,0,0,.7)}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff}
.mobile-panel.open{display:block}
.mobile-panel .wrap{padding-top:10px;padding-bottom:18px;display:grid;gap:0}
.m-link{padding:13px 4px;font-size:15px;font-weight:500;color:var(--muted);border-bottom:1px solid var(--line)}
.m-link:last-child{border-bottom:0}
.m-link.active{color:var(--brand);font-weight:700}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--dark);color:#fff;padding:82px 0 88px}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(105deg,rgba(22,19,15,.95) 0%,rgba(22,19,15,.88) 45%,rgba(22,19,15,.66) 100%),url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
}
.hero > .wrap{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:22px}
.crumbs a:hover{color:#fff}
.crumbs .sep{opacity:.5}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;
  letter-spacing:.14em;color:var(--sand);margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--sand)}
.hero h1{font-size:clamp(30px,4.4vw,52px);font-weight:900;letter-spacing:-.02em;line-height:1.15;margin-bottom:20px}
.lede{font-size:17px;line-height:1.85;color:rgba(255,255,255,.78);max-width:560px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags li{
  font-size:13px;font-weight:500;padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.26);color:rgba(255,255,255,.84);background:rgba(255,255,255,.06);
}
.hero-figure{
  margin:0;border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.18);
  box-shadow:0 34px 74px -34px rgba(0,0,0,.9);aspect-ratio:4/3;background:var(--surface-2);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-note{
  margin-top:16px;display:flex;gap:12px;align-items:flex-start;padding:16px 18px;
  border-radius:var(--r-img);background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);font-size:14px;line-height:1.75;color:rgba(255,255,255,.84);
}
.hero-note .dot{width:8px;height:8px;border-radius:50%;background:var(--sand);flex:0 0 auto;margin-top:9px}
.hero-note strong{color:#fff}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section-alt{background:var(--surface-3)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-kicker{display:block;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand);margin-bottom:12px}
.sec-title{font-size:clamp(24px,3vw,36px);font-weight:800;letter-spacing:-.015em;margin-bottom:14px}
.sec-sub{font-size:16px;color:var(--muted);line-height:1.85;margin:0}

/* intro */
.intro-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.intro-left h2{font-size:clamp(24px,3vw,34px);line-height:1.28;margin-bottom:18px}
.intro-left .rule{width:48px;height:3px;background:var(--brand);border-radius:2px;margin-bottom:22px}
.intro-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.intro-tags li{font-size:13px;padding:6px 14px;border-radius:var(--r-pill);border:1px solid rgba(185,147,88,.5);color:#8A6B37;background:rgba(185,147,88,.1)}
.intro-right p{font-size:16.5px;color:var(--muted);line-height:1.95}

/* compare */
.compare{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:#fff;box-shadow:var(--sh-card);
}
.compare-head{display:grid;grid-template-columns:1fr 1fr}
.ch{padding:18px 26px;font-size:14px;font-weight:800;letter-spacing:.08em}
.ch-risk{background:rgba(194,31,46,.08);color:var(--brand)}
.ch-safe{background:var(--dark);color:#fff}
.compare-row{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.cell{padding:24px 26px;display:flex;gap:16px;align-items:flex-start}
.cell-risk{background:#FDF3F4;border-right:1px solid var(--line)}
.cell-safe{background:#FCFAF6}
.cell .num{font-size:13px;font-weight:800;padding-top:5px;flex:0 0 auto;font-variant-numeric:tabular-nums;color:var(--brand)}
.cell-safe .num{color:var(--olive)}
.cell p{margin:0;font-size:15.5px;line-height:1.8;color:var(--ink)}
.cell-risk p{color:var(--muted)}

/* steps */
.steps{margin-top:8px}
.step{display:grid;grid-template-columns:96px 1fr;gap:28px;padding:30px 0;border-top:1px solid var(--line)}
.step:last-child{border-bottom:1px solid var(--line)}
.step-num{font-size:40px;font-weight:900;line-height:1;letter-spacing:-.04em;color:var(--brand);font-variant-numeric:tabular-nums}
.step-body h3{font-size:19px;font-weight:800;margin-bottom:8px}
.step-body p{margin:0;color:var(--muted);font-size:15.5px}

/* cards */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.info-card .thumb{aspect-ratio:16/10;background:var(--surface-2);overflow:hidden}
.info-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.info-card:hover .thumb img{transform:scale(1.03)}
.info-card .body{padding:22px 22px 26px}
.chip{
  display:inline-block;font-size:12.5px;font-weight:700;padding:3px 12px;
  border-radius:var(--r-pill);border:1px solid rgba(47,107,83,.4);
  color:var(--olive);background:rgba(47,107,83,.07);margin-bottom:12px;
}
.chip-brand{border-color:rgba(194,31,46,.35);color:var(--brand);background:rgba(194,31,46,.06)}
.info-card h3{font-size:18px;font-weight:800;margin-bottom:10px}
.info-card p{margin:0;font-size:15px;color:var(--muted);line-height:1.8}

/* faq */
.faq-wrap{max-width:760px;margin:0 auto}
.faq .accordion-item{border:0;border-top:1px solid var(--line);background:transparent}
.faq .accordion-item:last-child{border-bottom:1px solid var(--line)}
.faq .accordion-button{
  background:transparent;padding:22px 46px 22px 0;font-size:17px;font-weight:700;
  color:var(--ink);box-shadow:none;position:relative;line-height:1.6;
}
.faq .accordion-button:not(.collapsed){color:var(--brand);background:transparent;box-shadow:none}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:2px}
.faq .accordion-button::after{
  content:"+";background-image:none;font-size:24px;font-weight:400;line-height:1;
  color:var(--brand);width:auto;height:auto;position:absolute;right:12px;top:50%;
  margin-top:-14px;transform:rotate(0deg);transform-origin:center;
  transition:transform .24s var(--ease);
}
.faq .accordion-button.collapsed::after{transform:rotate(0deg)}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.faq .accordion-body{padding:0 46px 24px 0;font-size:15px;line-height:1.9;color:var(--muted)}

/* cta */
.cta-band{
  position:relative;overflow:hidden;background:var(--dark);color:#fff;
  border-radius:var(--r-lg);padding:56px;display:grid;
  grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:250px;height:250px;
  border-radius:50%;border:1px solid rgba(185,147,88,.35);
}
.cta-band::before{
  content:"";position:absolute;left:-40px;bottom:-90px;width:200px;height:200px;
  border-radius:50%;border:1px solid rgba(194,31,46,.35);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.72);margin:0;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* footer */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px}
.foot-brand .brand-mark{width:30px;height:30px;border-radius:9px}
.foot-brand .brand-mark svg{width:17px;height:17px}
.foot-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);margin:0}
.foot-title{font-size:14px;font-weight:700;color:var(--sand);letter-spacing:.06em;margin-bottom:16px}
.foot-link{display:block;font-size:14px;color:rgba(255,255,255,.66);padding:5px 0}
.foot-link:hover{color:#fff}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 30px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* reveal */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* responsive */
@media (max-width:1199.98px){
  .wrap{padding:0 24px}
  .hero-grid{gap:40px}
  .intro-grid{gap:40px}
}
@media (max-width:991.98px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .search-box{
    width:42px;height:42px;border:1px solid var(--line);border-radius:12px;
    background:#fff;justify-content:center;overflow:hidden;
    transition:width .24s var(--ease);
  }
  .search-box .s-icon{left:12px}
  .search-box input{
    position:absolute;left:0;top:0;height:100%;width:100%;border:0;background:transparent;
    padding:0 0 0 38px;opacity:0;cursor:pointer;width:42px;
  }
  .search-box.open{width:220px}
  .search-box.open input{opacity:1;cursor:text;background:#fff;width:100%;padding:0 16px 0 38px}
  .hero{padding:56px 0 68px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-figure{max-width:620px}
  .intro-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;gap:28px;padding:44px 36px}
  .cta-actions{justify-content:flex-start}
  .card-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:80px 0}
}
@media (max-width:767px){
  .wrap{padding:0 20px}
  .section{padding:64px 0}
  .header-inner{gap:12px}
  .brand-text{font-size:15.5px}
  .card-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .compare-head{display:none}
  .compare-row{grid-template-columns:1fr}
  .cell-risk{border-right:0;border-bottom:1px solid var(--line)}
  .cell{flex-wrap:wrap;gap:10px;padding:20px 20px}
  .cell::before{
    content:attr(data-label);font-size:12px;font-weight:800;letter-spacing:.06em;
    padding:1px 10px;border-radius:var(--r-pill);border:1px solid currentColor;
    color:var(--brand);line-height:1.7;
  }
  .cell-safe::before{color:var(--olive)}
  .cell .num{padding-top:0}
  .step{grid-template-columns:56px 1fr;gap:16px;padding:24px 0}
  .step-num{font-size:30px}
  .cta-band{padding:36px 24px;border-radius:var(--r-card)}
  .hero-figure{border-radius:var(--r-card)}
  .hero-cta{gap:12px}
  .btn-main,.btn-ghost,.btn-ghost-light,.btn-light{padding:11px 22px;font-size:14.5px}
  .foot-bottom{flex-direction:column;gap:8px}
}
@media (max-width:575.98px){
  .hero{padding:44px 0 56px}
  .hero-tags li{font-size:12px;padding:5px 12px}
  .search-box.open{width:170px}
  .header-actions{gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}