/* roulang page: index */
:root{
  --ink:#0E1113; --ink-2:#3A4045; --ink-3:#6B7278;
  --paper:#F7F6F3; --surface:#FFFFFF; --line:#E6E4DF;
  --brand:#E2562B; --brand-dark:#C2451F; --brand-soft:#FDF0EA;
  --accent:#1F6F63; --accent-soft:#EAF3F0;
  --sh1:0 1px 2px rgba(14,17,19,.05);
  --sh2:0 6px 20px rgba(14,17,19,.06);
  --sh3:0 18px 48px rgba(14,17,19,.10);
  --ease:cubic-bezier(.2,.8,.2,1);
  --radius:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:17px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{color:var(--ink);margin:0;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;font-family:Inter,"PingFang SC",system-ui,sans-serif}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
.section{padding:64px 0}
@media(min-width:768px){.section{padding:96px 0}}
@media(min-width:1280px){.section{padding:112px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:40px}
.section-title{font-size:clamp(1.6rem,3vw,2.25rem);font-weight:700;line-height:1.25}
.section-sub{margin-top:10px;color:var(--ink-3);font-size:.9375rem}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.8125rem;font-weight:600;letter-spacing:.08em;color:var(--brand);text-transform:uppercase}
.text-link{color:var(--brand);font-weight:600;font-size:.9375rem;position:relative}
.text-link::after{content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--brand);transition:width .2s var(--ease)}
.text-link:hover::after{width:100%}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .2s var(--ease)}
.site-header.scrolled{box-shadow:var(--sh1)}
.header-inner{display:flex;align-items:center;gap:20px;height:64px}
@media(min-width:768px){.header-inner{height:72px;gap:28px}}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:26px;height:26px;flex:0 0 26px;border-radius:9px;background:var(--brand-soft);display:flex;align-items:center;justify-content:center}
.logo-text{font-weight:700;letter-spacing:-.01em;color:var(--ink);font-size:.9375rem;line-height:1.2;max-width:150px}
@media(min-width:768px){.logo-text{font-size:1.0625rem;max-width:none}}
.nav-desktop{display:none;align-items:center;gap:26px;margin-left:8px}
@media(min-width:1024px){.nav-desktop{display:flex}}
.nav-link{position:relative;font-size:.9375rem;font-weight:500;color:var(--ink-2);padding:6px 0;transition:color .2s var(--ease);white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand);transition:width .2s var(--ease)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{display:none;align-items:center;gap:8px;background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:8px 16px;width:200px;transition:border-color .2s var(--ease)}
@media(min-width:1024px){.search-box{display:flex}}
.search-box:focus-within{border-color:var(--brand)}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:.875rem}
.search-box input::placeholder{color:var(--ink-3)}
.menu-toggle{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:999px;border:1px solid var(--line);background:var(--surface)}
@media(min-width:1024px){.menu-toggle{display:none}}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:11px 22px;font-size:.9375rem;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.btn-brand{background:var(--brand);color:#fff;box-shadow:var(--sh1)}
.btn-brand:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-brand:active{transform:translateY(0);box-shadow:var(--sh1)}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);box-shadow:var(--sh1)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:9px 18px;font-size:.875rem}
.btn-white{background:#fff;color:var(--ink)}
.btn-white:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-1px)}
.header-cta{display:none}
@media(min-width:1024px){.header-cta{display:inline-flex}}

.mobile-drawer{position:fixed;inset:0;z-index:90;background:#fff;transform:translateX(100%);transition:transform .28s var(--ease);display:flex;flex-direction:column;padding:20px}
.mobile-drawer.open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:44px;margin-bottom:12px}
.drawer-links{display:flex;flex-direction:column;margin-top:8px}
.drawer-links a{padding:16px 4px;font-size:1.125rem;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-links a.active{color:var(--brand)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:20px}

/* ---------- hero ---------- */
.hero{padding:48px 0 56px}
@media(min-width:768px){.hero{padding:64px 0 80px}}
.hero-grid{display:grid;gap:40px}
@media(min-width:1024px){.hero-grid{grid-template-columns:1fr 1fr;gap:56px;align-items:center}}
.hero h1{font-size:clamp(2.25rem,5.2vw,3.5rem);line-height:1.15;font-weight:800;letter-spacing:-.02em;margin:18px 0 0}
.hero .lead{margin-top:18px;font-size:1.0625rem;line-height:1.85;color:var(--ink-2);max-width:36em}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin-top:20px;font-size:.8125rem;color:var(--ink-3)}
.dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-visual{position:relative}
.hero-img{border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--sh2);overflow:hidden;background:var(--surface)}
.hero-img img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-float{position:absolute;right:-6px;bottom:-26px;width:48%;border-radius:12px;border:1px solid var(--line);box-shadow:var(--sh3);overflow:hidden;background:#fff}
@media(max-width:767px){.hero-float{position:static;width:100%;margin-top:16px}}
.hero-float img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* ---------- value list ---------- */
.value-layout{display:grid;gap:40px}
@media(min-width:1024px){.value-layout{grid-template-columns:1.35fr .85fr;gap:56px;align-items:start}}
.value-list{border-top:1px solid var(--line)}
.value-item{position:relative;display:flex;gap:20px;padding:24px 0 24px 0;border-bottom:1px solid var(--line);transition:padding-left .2s var(--ease)}
.value-item::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:4px;border-radius:4px;background:var(--brand);transform:scaleY(0);transform-origin:top;transition:transform .2s var(--ease)}
.value-item:hover::before{transform:scaleY(1)}
.value-item:hover{padding-left:16px}
.value-num{font-size:2.25rem;font-weight:800;line-height:1;color:rgba(226,86,43,.14);flex:0 0 62px}
@media(min-width:768px){.value-num{font-size:3rem;flex:0 0 84px}}
.value-body h3{font-size:1.125rem;font-weight:700}
.value-body p{margin-top:6px;font-size:.9375rem;color:var(--ink-3);line-height:1.75}
.value-icon{width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;color:var(--accent);align-self:flex-start}
.value-aside{border-left:1px solid var(--line);padding-left:0}
@media(min-width:1024px){.value-aside{padding-left:32px}}
.value-aside img{border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--sh1);width:100%;aspect-ratio:4/5;object-fit:cover}
.value-aside .cap{margin-top:14px;font-size:.8125rem;color:var(--ink-3)}

/* ---------- carousel ---------- */
.carousel-viewport{overflow:hidden;padding:4px}
.carousel-track{display:flex;gap:24px;transition:transform .5s var(--ease)}
.carousel-slide{flex:0 0 100%;}
.carousel-figure{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--surface);box-shadow:var(--sh1)}
.carousel-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.carousel-caption{padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.carousel-caption strong{font-size:1rem;color:var(--ink)}
.carousel-caption span{font-size:.8125rem;color:var(--ink-3)}
.carousel-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:28px}
.indicators{display:flex;align-items:center;gap:10px}
.indicator{width:32px;height:3px;border-radius:999px;background:var(--line);border:0;padding:0;cursor:pointer;position:relative;overflow:hidden}
.indicator.active::after{content:"";position:absolute;inset:0;background:var(--brand);transform-origin:left;animation:fill 5s linear forwards}
@keyframes fill{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.arrows{display:flex;gap:10px}
.arrow{width:42px;height:42px;border-radius:999px;border:1px solid var(--line);background:var(--surface);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:border-color .2s var(--ease),color .2s var(--ease)}
.arrow:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- cards ---------- */
.card-grid{display:grid;gap:22px}
@media(min-width:640px){.card-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease)}
.card:hover{border-color:rgba(226,86,43,.35);box-shadow:var(--sh2);transform:translateY(-2px)}
.card:hover .card-cover img{transform:scale(1.03)}
.card-cover{overflow:hidden;background:var(--paper)}
.card-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge{display:inline-flex;align-items:center;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:.75rem;font-weight:600;padding:4px 12px;white-space:nowrap}
.card-title{font-size:1.125rem;font-weight:700;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-title a:hover{color:var(--brand)}
.card-excerpt{font-size:.9375rem;color:var(--ink-3);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:.8125rem;color:var(--ink-3)}
.card-foot .more{color:var(--brand);font-weight:600;position:relative}
.card-foot .more::after{content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--brand);transition:width .2s var(--ease)}
.card:hover .card-foot .more::after{width:100%}
.cms-empty{min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);text-align:center;padding:32px}
.cms-empty .tip{font-size:.9375rem;color:var(--ink-3)}

/* ---------- requirements ---------- */
.req-list{border-top:1px solid var(--line)}
.req-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;min-height:44px;padding:12px 0;border-bottom:1px solid var(--line);transition:background .2s var(--ease)}
.req-name{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--ink);font-size:1rem;flex:0 0 220px;transition:color .2s var(--ease)}
.req-row:hover .req-name{color:var(--accent)}
.req-desc{font-size:.9375rem;color:var(--ink-3);flex:1 1 260px}
@media(max-width:767px){
  .req-list{border-top:0}
  .req-row{display:block;border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:16px;margin-bottom:12px}
  .req-name{flex:none;margin-bottom:6px}
}

/* ---------- reviews ---------- */
.review-grid{display:grid;gap:20px}
@media(min-width:768px){.review-grid{grid-template-columns:1fr 1fr}}
.review-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--sh1);transition:box-shadow .2s var(--ease),transform .2s var(--ease)}
.review-card:hover{box-shadow:var(--sh2);transform:translateY(-2px)}
@media(min-width:768px){.review-card:nth-child(2){margin-top:28px}.review-card:nth-child(4){margin-top:28px}}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9375rem}
.review-name{font-weight:600;color:var(--ink);font-size:.9375rem}
.stars{display:flex;gap:3px;color:var(--brand);margin-top:8px}
.review-text{margin-top:10px;font-size:.9375rem;color:var(--ink-2);line-height:1.8}
.review-src{margin-top:12px;font-size:.8125rem;color:var(--ink-3)}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0;font-size:1.0625rem;font-weight:600;color:var(--ink);transition:color .2s var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-icon{flex:0 0 26px;width:26px;height:26px;border-radius:999px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-3);font-weight:400;transition:transform .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--brand);border-color:var(--brand)}
.faq-body{padding:0 0 22px;font-size:.9375rem;line-height:1.8;color:var(--ink-2);max-width:72ch}

/* ---------- CTA ---------- */
.cta-wrap{padding-bottom:96px}
.cta-block{background:var(--ink);border-radius:24px;padding:32px;display:grid;gap:32px}
@media(min-width:768px){.cta-block{padding:64px;grid-template-columns:1.5fr .8fr;align-items:center;gap:48px}}
.cta-block h2{color:#fff;font-size:clamp(1.6rem,3vw,2.25rem);line-height:1.25;font-weight:700}
.cta-block p{color:rgba(255,255,255,.72);margin-top:14px;font-size:1rem;max-width:44ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.cta-block .text-link{color:#fff}
.cta-qr{background:#fff;border-radius:16px;padding:16px;width:160px;justify-self:start}
@media(min-width:768px){.cta-qr{justify-self:end}}
.cta-qr img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:10px}
.cta-qr span{display:block;text-align:center;font-size:.8125rem;color:var(--ink-3);margin-top:10px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;margin-bottom:14px}
.footer-brand .logo-mark{background:rgba(226,86,43,.18)}
.footer-text{font-size:.9375rem;line-height:1.8;max-width:34ch}
.footer-title{color:#fff;font-weight:600;font-size:.9375rem;margin-bottom:14px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column}
.footer-links a{padding:10px 0;font-size:.9375rem;position:relative;transition:color .2s var(--ease)}
.footer-links a::after{content:"";position:absolute;left:0;bottom:10px;height:1px;width:0;background:var(--brand);transition:width .2s var(--ease)}
.footer-links a:hover{color:var(--brand)}
.footer-links a:hover::after{width:100%}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:.8125rem}
.footer-bottom a:hover{color:var(--brand)}
.footer-acc{display:block}
@media(max-width:767px){
  .footer-col-acc .footer-links{display:none}
  .footer-col-acc.open .footer-links{display:flex}
  .footer-col-acc .footer-title{display:flex;justify-content:space-between;align-items:center;cursor:pointer;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:12px;min-height:44px}
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.reveal.visible{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --ink:#0E1113; --ink-2:#3A4045; --ink-3:#6B7278;
  --paper:#F7F6F3; --surface:#FFFFFF; --line:#E6E4DF;
  --brand:#E2562B; --brand-dark:#C2451F; --brand-soft:#FDF0EA;
  --accent:#1F6F63; --accent-soft:#EAF3F0;
  --sh1:0 1px 2px rgba(14,17,19,.05);
  --sh2:0 6px 20px rgba(14,17,19,.06);
  --sh3:0 18px 48px rgba(14,17,19,.10);
  --r-sm:12px; --r-md:16px; --r-lg:24px; --r-pill:999px;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:1.0625rem;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-0.01em}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
img{max-width:100%;display:block;height:auto}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh1)}
.header-inner{display:flex;align-items:center;gap:18px;height:64px}
@media (min-width:768px){.header-inner{height:72px}}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:26px;height:26px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);border:1px solid rgba(226,86,43,.22);flex:0 0 auto;
}
.logo-text{font-weight:800;font-size:.95rem;letter-spacing:-0.01em;color:var(--ink);line-height:1.2}
@media (min-width:1024px){.logo-text{font-size:1.0625rem}}
.nav-desktop{display:none;align-items:center;gap:6px;margin-left:12px}
@media (min-width:1024px){.nav-desktop{display:flex}}
.nav-link{position:relative;padding:8px 12px;font-size:.9375rem;color:var(--ink-2);border-radius:var(--r-pill)}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .2s 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:10px;margin-left:auto}
.search-box{
  display:none;align-items:center;gap:8px;width:200px;height:38px;padding:0 14px;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
@media (min-width:1024px){.search-box{display:flex}}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(226,86,43,.10)}
.search-box input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:.875rem}
.search-box input::placeholder{color:var(--ink-3)}
.header-cta{display:none}
@media (min-width:1024px){.header-cta{display:inline-flex}}
.menu-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:var(--surface);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.menu-toggle:hover{border-color:rgba(226,86,43,.35);box-shadow:var(--sh1)}
@media (min-width:1024px){.menu-toggle{display:none}}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:700;font-size:.9375rem;line-height:1;
  padding:14px 26px;border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-sm{padding:11px 20px;font-size:.875rem}
.btn-brand{background:var(--brand);color:#fff;box-shadow:var(--sh2)}
.btn-brand:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--sh3)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line);box-shadow:var(--sh1)}
.btn-ghost:hover{border-color:rgba(226,86,43,.45);color:var(--brand);transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-ghost-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.34)}
.btn-ghost-dark:hover{border-color:#fff;color:#fff;transform:translateY(-1px)}
.text-link{color:var(--ink-2);font-size:.9375rem;font-weight:600;position:relative}
.text-link::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}
.text-link:hover{color:var(--brand)}
.text-link:hover::after{transform:scaleX(1)}

/* ---------- Mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:64px 0 0 0;z-index:55;background:#fff;
  padding:24px 20px 40px;display:flex;flex-direction:column;gap:20px;
  transform:translateY(-8px);opacity:0;pointer-events:none;
  transition:opacity .2s var(--ease),transform .2s var(--ease);
  overflow-y:auto;
}
.mobile-drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
.mobile-nav{display:flex;flex-direction:column}
.mobile-nav a{
  font-size:1.125rem;font-weight:600;color:var(--ink);
  padding:14px 0;border-bottom:1px solid var(--line);
}
.mobile-nav a:hover,.mobile-nav a.active{color:var(--brand)}
.drawer-cta{width:100%;margin-top:auto}
@media (min-width:1024px){.mobile-drawer{display:none}}

/* ---------- Breadcrumb ---------- */
.crumb{font-size:.8125rem;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:6px;align-items:center;padding:22px 0 0}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--line)}
.crumb .current{color:var(--ink-2);max-width:52%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Article layout ---------- */
.article-layout{display:grid;gap:44px;padding-top:24px;padding-bottom:72px}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:56px;padding-bottom:96px}
}
.article-main{min-width:0}
.article-head{padding-bottom:26px;border-bottom:1px solid var(--line)}
.article-h1{
  font-size:clamp(1.75rem,3.4vw,2.5rem);line-height:1.3;font-weight:800;letter-spacing:-0.02em;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:18px;font-size:.8125rem;color:var(--ink-3)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:.75rem;
  padding:5px 12px;border-radius:var(--r-pill);
}
.share-group{display:flex;gap:8px;margin-left:auto}
.share-group button{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:var(--surface);
  display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.share-group button:hover{border-color:rgba(226,86,43,.45);transform:translateY(-1px);box-shadow:var(--sh1)}

/* ---------- Article body ---------- */
.article-body{max-width:780px;padding-top:32px;font-size:1.0625rem;line-height:1.9;color:var(--ink-2)}
.article-body > * + *{margin-top:1.05em}
.article-body h2{
  position:relative;font-size:clamp(1.35rem,2.4vw,1.75rem);font-weight:700;line-height:1.35;
  margin-top:2.5rem;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;width:4px;height:1.15em;border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:1.1875rem;font-weight:700;margin-top:2rem;color:var(--ink)}
.article-body ul{padding-left:2px}
.article-body ul li{position:relative;padding-left:20px;margin-top:.5em}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--brand);
}
.article-body ol{counter-reset:item;padding-left:0}
.article-body ol li{position:relative;counter-increment:item;padding-left:40px;margin-top:.75em}
.article-body ol li::before{
  content:counter(item,decimal-leading-zero);
  position:absolute;left:0;top:.05em;width:28px;height:28px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);font-size:.75rem;font-weight:800;
  display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:1.6rem 0;padding:18px 22px;background:var(--brand-soft);
  border-left:3px solid var(--brand);border-radius:8px;color:var(--ink-2);font-size:1rem;
}
.article-body img{border-radius:var(--r-sm);border:1px solid var(--line);margin:1.4rem 0}
.article-body a{color:var(--accent);border-bottom:1px solid rgba(31,111,99,.35)}
.article-body a:hover{color:var(--brand);border-bottom-color:rgba(226,86,43,.5)}
.article-body table{width:100%;border-collapse:separate;border-spacing:0 6px;font-size:.9375rem;margin:1.4rem 0}
.article-body thead th{
  text-align:left;font-size:.8125rem;color:var(--ink-3);font-weight:700;
  padding:4px 14px;background:transparent;
}
.article-body tbody tr{background:var(--surface)}
.article-body tbody td{padding:12px 14px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.article-body tbody td:first-child{border-left:1px solid var(--line);border-radius:12px 0 0 12px}
.article-body tbody td:last-child{border-right:1px solid var(--line);border-radius:0 12px 12px 0}
.article-body code{
  background:var(--paper);border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;font-size:.9em;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.empty-article{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:48px 28px;text-align:center;box-shadow:var(--sh1);margin-top:32px;
}
.empty-article h2{font-size:1.25rem;margin-bottom:10px}
.empty-article p{font-size:.9375rem;color:var(--ink-3);margin-bottom:20px}

/* ---------- Tags / author ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:40px}
.tag{
  display:inline-flex;align-items:center;font-size:.8125rem;color:var(--ink-2);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);padding:6px 14px;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.tag:hover{border-color:rgba(226,86,43,.4);color:var(--brand)}
.source-line{margin-top:18px;font-size:.8125rem;color:var(--ink-3)}

/* ---------- Prev / Next ---------- */
.pager{display:grid;gap:16px;margin-top:40px}
@media (min-width:768px){.pager{grid-template-columns:1fr 1fr}}
.pager a{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;box-shadow:var(--sh1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.pager a:hover{border-color:rgba(226,86,43,.4);box-shadow:var(--sh2);transform:translateY(-2px)}
.pager .label{font-size:.75rem;color:var(--ink-3);font-weight:700;letter-spacing:.04em}
.pager .title{display:block;margin-top:8px;font-size:1rem;font-weight:700;color:var(--ink);line-height:1.5}

/* ---------- Sidebar ---------- */
.article-side{align-self:start}
@media (min-width:1024px){
  .article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh1);margin-top:20px;
}
@media (min-width:1024px){.side-card{margin-top:0}}
.side-card h3{font-size:.9375rem;font-weight:800;margin-bottom:14px}
.side-card.brandbg{background:var(--brand-soft);border-color:rgba(226,86,43,.2)}
.side-card.brandbg p{font-size:.875rem;color:var(--ink-2);margin-bottom:14px}
.side-list li + li{border-top:1px solid var(--line)}
.side-list a{display:flex;align-items:center;gap:10px;padding:11px 0;font-size:.875rem;color:var(--ink-2)}
.side-list a span{flex:1}
.side-list a svg{flex:0 0 auto;transition:transform .2s var(--ease)}
.side-list a:hover{color:var(--brand)}
.side-list a:hover svg{transform:translateX(4px)}

/* ---------- Related ---------- */
.section-title-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-title{font-size:clamp(1.35rem,2.4vw,1.75rem);font-weight:800;letter-spacing:-0.02em}
.section-sub{font-size:.875rem;color:var(--ink-3);margin-top:8px}
.related-grid{display:grid;gap:22px}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr)}}
.card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh1);height:100%;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.card:hover{border-color:rgba(226,86,43,.35);box-shadow:var(--sh3);transform:translateY(-2px)}
.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--paper)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:1.0625rem;font-weight:700;color:var(--ink);line-height:1.5}
.card-desc{font-size:.875rem;color:var(--ink-3);line-height:1.7}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:.8125rem;color:var(--ink-3)}
.card-foot .more{color:var(--brand);font-weight:700}

/* ---------- CTA ---------- */
.cta-wrap{padding:0 0 96px}
.cta-block{
  background:var(--ink);color:rgba(255,255,255,.78);
  border-radius:var(--r-lg);padding:32px;
  display:grid;gap:28px;
}
@media (min-width:768px){.cta-block{padding:64px;grid-template-columns:minmax(0,1fr) 160px;align-items:center;gap:40px}}
.cta-block h2{color:#fff;font-size:clamp(1.5rem,2.8vw,2.125rem);font-weight:800;line-height:1.3}
.cta-block p{margin-top:14px;font-size:.9375rem;line-height:1.8;max-width:56ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.qr-card{
  width:160px;height:160px;border-radius:var(--r-md);background:#fff;
  display:flex;align-items:center;justify-content:center;justify-self:start;
}
@media (min-width:768px){.qr-card{justify-self:end}}
.qr-card svg{width:112px;height:112px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:1rem}
.footer-text{margin-top:14px;font-size:.875rem;line-height:1.8;max-width:34ch}
.footer-title{color:#fff;font-size:.9375rem;font-weight:700;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:2px}
.footer-links a{
  color:rgba(255,255,255,.72);font-size:.875rem;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.08);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer-links a:hover{color:var(--brand);border-bottom-color:rgba(226,86,43,.5)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px 24px;font-size:.8125rem;color:rgba(255,255,255,.55);
}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- Motion ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
    --ink:#0E1113;
    --ink-2:#3A4045;
    --ink-3:#6B7278;
    --paper:#F7F6F3;
    --surface:#FFFFFF;
    --line:#E6E4DF;
    --brand:#E2562B;
    --brand-dark:#C2451F;
    --brand-soft:#FDF0EA;
    --accent:#1F6F63;
    --accent-soft:#EAF3F0;
    --sh1:0 1px 2px rgba(14,17,19,.05);
    --sh2:0 6px 20px rgba(14,17,19,.06);
    --sh3:0 18px 48px rgba(14,17,19,.10);
    --ease:cubic-bezier(.2,.8,.2,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;background:var(--paper);color:var(--ink-2);
    font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC',sans-serif;
    font-size:1.0625rem;line-height:1.85;
    font-variant-numeric:tabular-nums;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border-style:none}
  a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  input{font:inherit}
  h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-0.02em}
  p{margin:0}
  ul,ol{margin:0;padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.container{padding:0 32px}}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .2s var(--ease);
  }
  .site-header.is-scrolled{box-shadow:var(--sh1)}
  .header-inner{display:flex;align-items:center;gap:20px;height:64px}
  @media (min-width:768px){.header-inner{height:72px}}
  .logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .logo-mark{
    width:28px;height:28px;border-radius:10px;background:var(--brand-soft);
    display:flex;align-items:center;justify-content:center;flex-shrink:0;
    border:1px solid #F6D9CD;
  }
  .logo-text{font-size:1rem;font-weight:700;color:var(--ink);letter-spacing:-0.01em;line-height:1.25}
  @media (min-width:768px){.logo-text{font-size:1.0625rem}}
  @media (max-width:400px){.logo-text{font-size:.875rem}}

  .nav-desktop{display:none;margin-left:12px;gap:26px;flex:1}
  @media (min-width:1024px){.nav-desktop{display:flex}}
  .nav-link{
    position:relative;font-size:.9375rem;font-weight:500;color:var(--ink-2);
    padding:6px 0;white-space:nowrap;
  }
  .nav-link::after{
    content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
    background:var(--brand);border-radius:2px;transition:width .2s var(--ease);
  }
  .nav-link:hover{color:var(--ink)}
  .nav-link:hover::after{width:100%}
  .nav-link.active{color:var(--brand);font-weight:600}
  .nav-link.active::after{width:100%}

  .header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
  .search-box{
    display:none;align-items:center;gap:8px;width:200px;height:38px;
    padding:0 14px;border:1px solid var(--line);border-radius:999px;background:var(--paper);
    transition:border-color .2s var(--ease),background .2s var(--ease);
  }
  .search-box:focus-within{border-color:var(--brand);background:var(--surface)}
  .search-box input{width:100%;border:0;background:transparent;outline:none;font-size:.875rem;color:var(--ink)}
  .search-box input::placeholder{color:var(--ink-3)}
  @media (min-width:900px){.search-box{display:flex}}
  .header-cta{display:none}
  @media (min-width:768px){.header-cta{display:inline-flex}}
  .menu-toggle{
    width:40px;height:40px;border:1px solid var(--line);border-radius:12px;
    display:flex;align-items:center;justify-content:center;background:var(--surface);
    transition:border-color .2s var(--ease);
  }
  .menu-toggle:hover{border-color:var(--brand)}
  @media (min-width:1024px){.menu-toggle{display:none}}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:999px;font-size:.9375rem;font-weight:600;
    padding:12px 22px;transition:all .2s var(--ease);white-space:nowrap;
  }
  .btn-sm{padding:9px 18px;font-size:.875rem}
  .btn-brand{background:var(--brand);color:#fff;box-shadow:var(--sh1)}
  .btn-brand:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--sh2)}
  .btn-brand:active{transform:translateY(0)}
  .btn-ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line);box-shadow:var(--sh1)}
  .btn-ghost:hover{border-color:rgba(226,86,43,.35);color:var(--brand);transform:translateY(-1px);box-shadow:var(--sh2)}
  .btn-ghost:active{transform:translateY(0)}
  .btn-light{background:#fff;color:var(--ink)}
  .btn-light:hover{background:#F1EFEA;transform:translateY(-1px)}
  .btn-line{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.32)}
  .btn-line:hover{border-color:var(--brand);color:#fff;transform:translateY(-1px)}
  .text-link{
    display:inline-flex;align-items:center;gap:6px;font-size:.9375rem;
    font-weight:600;color:var(--brand);
  }
  .text-link:hover{text-decoration:underline;text-underline-offset:4px}

  /* ---------- mobile drawer ---------- */
  .mobile-drawer{
    position:fixed;inset:0;z-index:80;background:#fff;
    display:flex;flex-direction:column;padding:20px;
    transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:opacity .2s var(--ease),transform .2s var(--ease);
  }
  .mobile-drawer.is-open{opacity:1;transform:none;pointer-events:auto}
  @media (min-width:1024px){.mobile-drawer{display:none}}
  .drawer-top{display:flex;align-items:center;justify-content:space-between;height:44px}
  .drawer-close{
    width:40px;height:40px;border:1px solid var(--line);border-radius:12px;
    display:flex;align-items:center;justify-content:center;
  }
  .drawer-links{margin-top:24px;display:flex;flex-direction:column}
  .drawer-links a{
    font-size:1.125rem;font-weight:500;color:var(--ink);
    padding:16px 0;border-bottom:1px solid var(--line);
  }
  .drawer-links a.active{color:var(--brand)}
  .drawer-foot{margin-top:auto;padding-top:20px}

  /* ---------- sections ---------- */
  .section{padding:64px 0}
  @media (min-width:768px){.section{padding:96px 0}}
  @media (min-width:1280px){.section{padding:112px 0}}
  .section-tight{padding:48px 0}
  @media (min-width:768px){.section-tight{padding:64px 0}}

  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:.8125rem;font-weight:700;letter-spacing:.08em;
    color:var(--brand);text-transform:uppercase;
  }
  .eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);border-radius:2px}

  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:40px}
  .section-head h2{font-size:clamp(1.6rem,3vw,2.25rem);line-height:1.25;font-weight:700;margin-top:12px}
  .section-sub{font-size:.9375rem;color:var(--ink-3);max-width:520px}
  .section-sub-inlead{margin-top:14px;font-size:1rem;color:var(--ink-3);max-width:560px}

  /* ---------- page hero ---------- */
  .page-hero{
    padding:36px 0 56px;
    background:linear-gradient(180deg,#FFFFFF 0%,#F7F6F3 100%);
    border-bottom:1px solid var(--line);
  }
  @media (min-width:768px){.page-hero{padding:48px 0 72px}}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:var(--ink-3)}
  .breadcrumb a:hover{color:var(--brand)}
  .breadcrumb span.sep{color:#C7C4BE}
  .hero-grid{display:grid;gap:36px;margin-top:26px;align-items:center}
  @media (min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:56px}}
  .page-hero h1{
    font-size:clamp(2rem,4.6vw,3rem);line-height:1.18;font-weight:800;
    letter-spacing:-0.02em;margin-top:16px;
  }
  .page-hero h1 em{font-style:normal;color:var(--brand)}
  .page-lead{margin-top:18px;font-size:1.0625rem;color:var(--ink-2);max-width:620px}
  .chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
  .chip{
    display:inline-flex;align-items:center;gap:6px;
    padding:6px 14px;border-radius:999px;background:var(--surface);
    border:1px solid var(--line);font-size:.8125rem;color:var(--ink-2);
  }
  .chip-brand{background:var(--brand-soft);border-color:#F6D9CD;color:var(--brand);font-weight:600}
  .hero-figure{
    position:relative;border-radius:16px;overflow:hidden;
    border:1px solid var(--line);box-shadow:var(--sh2);background:var(--surface);
  }
  .hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
  .hero-figure figcaption{
    position:absolute;left:16px;bottom:16px;right:16px;
    background:rgba(14,17,19,.72);color:#fff;border-radius:12px;
    padding:10px 14px;font-size:.8125rem;backdrop-filter:blur(4px);
  }
  .hero-meta{display:flex;flex-wrap:wrap;gap:20px;margin-top:28px;font-size:.8125rem;color:var(--ink-3)}
  .hero-meta strong{color:var(--ink);font-weight:600}

  /* ---------- prepare block ---------- */
  .prepare-grid{display:grid;gap:24px}
  @media (min-width:1024px){.prepare-grid{grid-template-columns:1.25fr .75fr;gap:32px}}
  .prep-list{display:flex;flex-direction:column;gap:14px}
  .prep-item{
    display:flex;gap:16px;padding:20px 22px;background:var(--surface);
    border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh1);
    transition:all .2s var(--ease);
  }
  .prep-item:hover{border-color:rgba(226,86,43,.35);transform:translateY(-2px);box-shadow:var(--sh2)}
  .prep-num{
    flex-shrink:0;width:38px;height:38px;border-radius:12px;background:var(--brand-soft);
    color:var(--brand);font-weight:800;font-size:.9375rem;
    display:flex;align-items:center;justify-content:center;
  }
  .prep-item h3{font-size:1.0625rem;font-weight:700;line-height:1.5}
  .prep-item p{margin-top:6px;font-size:.9375rem;color:var(--ink-3);line-height:1.75}
  .side-card{
    background:var(--surface);border:1px solid var(--line);border-radius:16px;
    padding:24px;box-shadow:var(--sh1);
  }
  .side-card h3{font-size:1.0625rem;font-weight:700}
  .side-list{margin-top:16px;display:flex;flex-direction:column}
  .side-list li{
    display:flex;justify-content:space-between;gap:12px;
    padding:12px 0;border-top:1px solid var(--line);font-size:.9375rem;
  }
  .side-list li span:first-child{color:var(--ink-3)}
  .side-list li span:last-child{color:var(--ink);font-weight:600}

  /* ---------- timeline ---------- */
  .timeline{position:relative;max-width:840px;padding-left:26px}
  @media (min-width:768px){.timeline{padding-left:34px}}
  .timeline::before{
    content:"";position:absolute;left:4px;top:10px;bottom:10px;width:1px;background:var(--line);
  }
  @media (min-width:768px){.timeline::before{left:4px}}
  .timeline-item{position:relative;margin-bottom:28px}
  .timeline-item:last-child{margin-bottom:0}
  .timeline-dot{
    position:absolute;left:-26px;top:28px;width:10px;height:10px;border-radius:50%;
    background:var(--brand);box-shadow:0 0 0 4px var(--paper);
    transition:transform .2s var(--ease);
  }
  @media (min-width:768px){.timeline-dot{left:-34px}}
  .timeline-item:hover .timeline-dot{transform:scale(1.2)}
  .timeline-card{
    background:var(--surface);border:1px solid var(--line);border-radius:16px;
    padding:24px;box-shadow:var(--sh1);transition:all .2s var(--ease);
  }
  @media (min-width:768px){.timeline-card{padding:28px 30px}}
  .timeline-item:hover .timeline-card{border-color:rgba(226,86,43,.35);box-shadow:var(--sh2)}
  .step-num{
    display:inline-flex;align-items:center;gap:6px;
    font-size:.8125rem;font-weight:700;color:var(--brand);
    background:var(--brand-soft);padding:4px 12px;border-radius:999px;
  }
  .timeline-card h3{margin-top:14px;font-size:1.1875rem;font-weight:700;line-height:1.5}
  .timeline-card p{margin-top:10px;font-size:.9375rem;color:var(--ink-3);line-height:1.8}
  .step-shot{
    margin-top:18px;border-radius:12px;overflow:hidden;border:1px solid var(--line);
  }
  .step-shot img{width:100%;aspect-ratio:16/9;object-fit:cover}
  .step-tip{
    margin-top:16px;display:flex;gap:10px;padding:12px 16px;border-radius:12px;
    background:var(--brand-soft);font-size:.875rem;color:var(--ink-2);line-height:1.7;
  }
  .step-tip svg{flex-shrink:0;margin-top:3px}

  /* ---------- requirements ---------- */
  .req-wrap{display:grid;gap:24px}
  @media (min-width:1024px){.req-wrap{grid-template-columns:1fr 1fr;gap:32px}}
  .req-card{
    background:var(--surface);border:1px solid var(--line);border-radius:16px;
    padding:8px 22px;box-shadow:var(--sh1);
  }
  .req-row{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;
    min-height:44px;padding:12px 0;border-bottom:1px solid var(--line);
  }
  .req-card .req-row:last-child{border-bottom:0}
  .req-name{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--ink);font-size:.9375rem;transition:color .2s var(--ease)}
  .req-row:hover .req-name{color:var(--accent)}
  .req-val{font-size:.875rem;color:var(--ink-3)}
  @media (max-width:520px){
    .req-row{flex-direction:column;align-items:flex-start;gap:4px}
  }

  /* ---------- notice ---------- */
  .notice{
    background:var(--accent-soft);border:1px solid #D3E5E0;border-radius:24px;
    padding:32px;
  }
  @media (min-width:768px){.notice{padding:44px 48px}}
  .notice-head{display:flex;gap:14px;align-items:flex-start}
  .notice-head h2{font-size:clamp(1.4rem,2.4vw,1.875rem);line-height:1.3;font-weight:700}
  .notice-head p{margin-top:10px;font-size:.9375rem;color:var(--ink-2);max-width:640px}
  .notice-list{margin-top:26px;display:grid;gap:14px}
  @media (min-width:768px){.notice-list{grid-template-columns:1fr 1fr;gap:16px 28px}}
  .notice-list li{
    display:flex;gap:12px;background:#fff;border:1px solid #D3E5E0;border-radius:12px;
    padding:16px 18px;font-size:.9375rem;color:var(--ink-2);line-height:1.75;
  }
  .notice-list b{color:var(--ink);font-weight:700}
  .bullet{
    flex-shrink:0;width:8px;height:8px;border-radius:2px;background:var(--brand);margin-top:9px;
  }

  /* ---------- quote ---------- */
  .quote-block{
    border-left:3px solid var(--brand);background:var(--brand-soft);
    border-radius:8px;padding:20px 24px;color:var(--ink-2);font-size:1rem;line-height:1.85;
  }
  .quote-block strong{color:var(--ink)}

  /* ---------- cta ---------- */
  .cta-section{padding:8px 0 96px}
  .cta-block{
    background:var(--ink);border-radius:24px;padding:32px;color:#fff;
    display:grid;gap:32px;align-items:center;
  }
  @media (min-width:768px){.cta-block{padding:48px}}
  @media (min-width:1024px){.cta-block{grid-template-columns:1fr 220px;padding:64px}}
  .cta-block h2{color:#fff;font-size:clamp(1.6rem,3vw,2.25rem);line-height:1.25;font-weight:700}
  .cta-block p{margin-top:14px;color:rgba(255,255,255,.72);font-size:1rem;max-width:520px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .qr-card{
    background:#fff;border-radius:16px;padding:16px;text-align:center;width:100%;max-width:200px;
  }
  .qr-card .qr-box{
    width:100%;aspect-ratio:1/1;border-radius:12px;overflow:hidden;background:var(--paper);
    border:1px solid var(--line);
  }
  .qr-card .qr-box img{width:100%;height:100%;object-fit:cover}
  .qr-card span{display:block;margin-top:10px;font-size:.8125rem;color:var(--ink-3)}

  /* ---------- footer ---------- */
  .site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px}
  @media (min-width:768px){.site-footer{padding:80px 0 32px}}
  .footer-grid{display:grid;gap:36px}
  @media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}}
  .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:1rem}
  .footer-text{margin-top:16px;font-size:.9375rem;line-height:1.8;max-width:320px;color:rgba(255,255,255,.6)}
  .footer-title{color:#fff;font-size:.9375rem;font-weight:700;margin-bottom:16px;letter-spacing:.01em}
  .footer-links{display:flex;flex-direction:column;gap:2px}
  .footer-links a{
    display:flex;align-items:center;min-height:44px;font-size:.9375rem;color:rgba(255,255,255,.72);
  }
  .footer-links a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
  .footer-bottom{
    margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;gap:10px 22px;font-size:.8125rem;color:rgba(255,255,255,.5);
  }
  .footer-bottom a:hover{color:var(--brand)}

  /* ---------- motion ---------- */
  .reveal{opacity:0;transform:translateY(16px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
  .reveal.is-visible{opacity:1;transform:none}
  @media (prefers-reduced-motion:reduce){
    .reveal{opacity:1;transform:none;transition:none}
    *{animation-duration:.001ms !important;transition-duration:.001ms !important}
    html{scroll-behavior:auto}
  }

/* roulang page: category2 */
:root{
  --ink:#0E1113;
  --ink-2:#3A4045;
  --ink-3:#6B7278;
  --paper:#F7F6F3;
  --surface:#FFFFFF;
  --line:#E6E4DF;
  --brand:#E2562B;
  --brand-dark:#C2451F;
  --brand-soft:#FDF0EA;
  --accent:#1F6F63;
  --accent-soft:#EAF3F0;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --sh1:0 1px 2px rgba(14,17,19,.05);
  --sh2:0 6px 20px rgba(14,17,19,.06);
  --sh3:0 18px 48px rgba(14,17,19,.10);
  --ease:cubic-bezier(.2,.8,.2,1);
  --dur:200ms;
  --header-h:64px;
}
@media (min-width:768px){ :root{ --header-h:72px; } }

*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; scroll-padding-top:96px; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:1.0625rem;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; transition:color var(--dur) var(--ease); }
button{ font:inherit; cursor:pointer; border:0; background:none; color:inherit; }
input{ font:inherit; }
h1,h2,h3,h4{ color:var(--ink); margin:0; letter-spacing:-.01em; }
p{ margin:0; }
ul{ margin:0; padding:0; list-style:none; }
:focus-visible{ outline:2px solid var(--brand); outline-offset:2px; border-radius:6px; }

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){
  .container{ padding-left:32px; padding-right:32px; }
}

/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled{ box-shadow:var(--sh1); }
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:var(--header-h);
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
  min-width:0;
}
.logo-mark{
  width:28px;
  height:28px;
  flex:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:9px;
  background:var(--brand-soft);
  border:1px solid rgba(226,86,43,.22);
}
.logo-text{
  font-weight:700;
  font-size:1.0625rem;
  letter-spacing:-.01em;
  color:var(--ink);
  white-space:nowrap;
}
.nav-desktop{
  display:none;
  align-items:center;
  gap:26px;
  margin-left:8px;
}
.nav-link{
  position:relative;
  font-size:.9375rem;
  color:var(--ink-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  height:2px;
  width:0;
  background:var(--brand);
  transition:width var(--dur) var(--ease);
}
.nav-link:hover{ color:var(--ink); }
.nav-link:hover::after{ width:100%; }
.nav-link.active{ color:var(--brand); font-weight:600; }
.nav-link.active::after{ width:100%; }
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.search-box{
  display:none;
  align-items:center;
  gap:8px;
  width:220px;
  height:40px;
  padding:0 14px;
  border-radius:999px;
  background:var(--paper);
  border:1px solid var(--line);
  transition:border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.search-box:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(226,86,43,.10);
}
.search-box input{
  border:0;
  background:transparent;
  outline:none;
  font-size:.875rem;
  color:var(--ink);
  width:100%;
}
.search-box input::placeholder{ color:var(--ink-3); }
.menu-toggle{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--surface);
  transition:border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.menu-toggle:hover{ border-color:rgba(226,86,43,.4); background:var(--brand-soft); }

@media (min-width:1024px){
  .nav-desktop{ display:flex; }
  .menu-toggle{ display:none; }
}
@media (min-width:768px){
  .search-box{ display:flex; }
  .header-cta{ display:inline-flex; }
}
@media (max-width:767px){
  .header-cta{ display:none; }
}
@media (max-width:1023px){
  .nav-desktop{ display:none; }
}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:var(--surface);
  display:flex;
  flex-direction:column;
  padding:20px;
  transform:translateY(-12px);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
  overflow-y:auto;
}
.mobile-drawer.open{ opacity:1; visibility:visible; transform:translateY(0); }
@media (min-width:1024px){ .mobile-drawer{ display:none; } }
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--line);
}
.drawer-nav{
  display:flex;
  flex-direction:column;
  padding:18px 0;
}
.drawer-nav a{
  font-size:1.125rem;
  color:var(--ink-2);
  padding:14px 0;
  border-bottom:1px solid var(--line);
  min-height:44px;
  display:flex;
  align-items:center;
}
.drawer-nav a.active{ color:var(--brand); font-weight:600; }
.drawer-cta{
  margin-top:auto;
  width:100%;
  justify-content:center;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:999px;
  font-size:.9375rem;
  font-weight:600;
  white-space:nowrap;
  border:1px solid transparent;
  transition:transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.btn-sm{ height:40px; padding:0 18px; font-size:.875rem; }
.btn-brand{
  background:var(--brand);
  color:#fff;
  box-shadow:var(--sh1);
}
.btn-brand:hover{
  background:var(--brand-dark);
  transform:translateY(-1px);
  box-shadow:var(--sh2);
}
.btn-brand:active{ transform:translateY(0); box-shadow:var(--sh1); }
.btn-outline{
  background:var(--surface);
  color:var(--ink);
  border-color:var(--line);
}
.btn-outline:hover{
  border-color:rgba(226,86,43,.45);
  color:var(--brand);
  transform:translateY(-1px);
  box-shadow:var(--sh2);
}
.btn-outline:active{ transform:translateY(0); }
.btn-light{
  background:#fff;
  color:var(--ink);
  border-color:transparent;
}
.btn-light:hover{ transform:translateY(-1px); box-shadow:var(--sh2); }
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--accent);
  font-weight:600;
  font-size:.9375rem;
  border-bottom:1px solid transparent;
}
.link-arrow:hover{ border-bottom-color:var(--accent); }
.link-arrow span{ transition:transform var(--dur) var(--ease); }
.link-arrow:hover span{ transform:translateX(4px); }

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:.8125rem;
  font-weight:600;
  letter-spacing:.02em;
}
.eyebrow{
  display:inline-block;
  font-size:.8125rem;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:12px;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--surface);
  font-size:.75rem;
  color:var(--ink-3);
}

/* ============ 页头 Hero ============ */
.page-hero{
  background:linear-gradient(180deg,#FDFCFA 0%, var(--paper) 100%);
  border-bottom:1px solid var(--line);
  padding:36px 0 64px;
}
@media (min-width:768px){ .page-hero{ padding:48px 0 88px; } }
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:.8125rem;
  color:var(--ink-3);
  margin-bottom:28px;
  flex-wrap:wrap;
}
.breadcrumb a:hover{ color:var(--brand); }
.breadcrumb .sep{ color:var(--line); }
.breadcrumb .current{ color:var(--ink-2); }
.hero-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:40px;
  align-items:center;
}
@media (min-width:1024px){
  .hero-grid{ grid-template-columns:1fr 1fr; gap:56px; }
}
.hero-copy h1{
  font-size:clamp(2rem,4.4vw,3rem);
  line-height:1.18;
  font-weight:800;
  letter-spacing:-.02em;
  margin:16px 0 18px;
}
.hero-lead{
  font-size:1.0625rem;
  line-height:1.85;
  color:var(--ink-2);
  max-width:34em;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.hero-note{
  margin-top:18px;
  font-size:.8125rem;
  color:var(--ink-3);
  letter-spacing:.02em;
}
.hero-media{
  position:relative;
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh2);
  background:var(--surface);
}
.hero-media img{
  width:100%;
  aspect-ratio:16 / 10;
  object-fit:cover;
  transition:transform 400ms var(--ease);
}
.hero-media:hover img{ transform:scale(1.03); }

/* ============ 区块 ============ */
.section{ padding:64px 0; }
@media (min-width:768px){ .section{ padding:96px 0; } }
@media (min-width:1280px){ .section{ padding:112px 0; } }
.section-alt{ background:var(--surface); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.section-head{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
  margin-bottom:36px;
}
@media (min-width:1024px){
  .section-head{ grid-template-columns:1fr 1fr; align-items:end; gap:48px; margin-bottom:48px; }
}
.section-head h2{
  font-size:clamp(1.6rem,3vw,2.25rem);
  line-height:1.25;
  font-weight:700;
}
.section-desc{
  font-size:.9375rem;
  color:var(--ink-3);
  line-height:1.9;
  max-width:44em;
}

/* ============ 安全环节卡 ============ */
.safety-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media (min-width:768px){
  .safety-grid{ grid-template-columns:repeat(12,1fr); gap:24px; }
  .card-wide{ grid-column:span 7; grid-row:span 2; }
  .card-narrow{ grid-column:span 5; }
}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:28px;
  box-shadow:var(--sh1);
  transition:border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.card:hover{
  border-color:rgba(226,86,43,.35);
  box-shadow:var(--sh2);
  transform:translateY(-2px);
}
.card h3{
  font-size:1.1875rem;
  font-weight:700;
  margin-bottom:12px;
}
.card p{ font-size:.9375rem; color:var(--ink-3); line-height:1.9; }
.card-wide{
  display:flex;
  flex-direction:column;
  gap:20px;
}
.card-wide .card-figure{
  border-radius:var(--r-sm);
  overflow:hidden;
  border:1px solid var(--line);
}
.card-wide .card-figure img{
  width:100%;
  aspect-ratio:16 / 9;
  object-fit:cover;
  transition:transform 400ms var(--ease);
}
.card-wide:hover .card-figure img{ transform:scale(1.03); }
.card-icon{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--accent-soft);
  color:var(--accent);
  margin-bottom:16px;
}
.card-icon.brand{ background:var(--brand-soft); color:var(--brand); }
.mini-list{ margin-top:16px; }
.mini-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:.875rem;
  color:var(--ink-2);
  padding:8px 0;
  border-top:1px solid var(--line);
}
.mini-list li:first-child{ border-top:0; }
.mini-list li::before{
  content:"";
  width:6px;height:6px;flex:none;
  margin-top:10px;
  border-radius:2px;
  background:var(--brand);
}

/* ============ FAQ 分组 + 侧栏 ============ */
.faq-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:40px;
  align-items:start;
}
@media (min-width:1024px){
  .faq-layout{ grid-template-columns:1fr 260px; gap:56px; }
}
.faq-group + .faq-group{
  margin-top:40px;
  padding-top:40px;
  border-top:1px solid var(--line);
}
.group-title{
  display:flex;
  align-items:baseline;
  gap:14px;
  font-size:clamp(1.25rem,2.2vw,1.5rem);
  font-weight:700;
  margin-bottom:8px;
}
.group-index{
  font-size:1.75rem;
  font-weight:800;
  color:rgba(226,86,43,.16);
  line-height:1;
  font-variant-numeric:tabular-nums;
}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:20px;
  padding:20px 0;
  font-size:1.0625rem;
  font-weight:600;
  color:var(--ink);
  transition:color var(--dur) var(--ease);
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{
  content:"+";
  font-size:1.375rem;
  font-weight:400;
  line-height:1;
  color:var(--ink-3);
  flex:none;
  margin-top:4px;
  transition:transform var(--dur) var(--ease), color var(--dur) var(--ease);
}
.faq-item summary:hover{ color:var(--brand); }
.faq-item[open] summary::after{ transform:rotate(45deg); color:var(--brand); }
.faq-body{
  padding:0 0 22px;
  font-size:.9375rem;
  line-height:1.9;
  color:var(--ink-2);
  max-width:60em;
}
.faq-body p + p{ margin-top:10px; }
.faq-body strong{ color:var(--ink); }

.faq-side{
  display:flex;
  flex-direction:column;
  gap:20px;
}
@media (min-width:1024px){
  .faq-side{ position:sticky; top:96px; }
}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px;
  box-shadow:var(--sh1);
}
.side-card.brand{
  background:var(--brand-soft);
  border-color:rgba(226,86,43,.25);
}
.side-card h3{
  font-size:1rem;
  font-weight:700;
  margin-bottom:10px;
}
.side-card p{
  font-size:.875rem;
  color:var(--ink-3);
  line-height:1.85;
  margin-bottom:16px;
}
.side-card .btn{ width:100%; }
.side-links li + li{ border-top:1px solid var(--line); }
.side-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:12px 0;
  font-size:.875rem;
  color:var(--ink-2);
}
.side-links a:hover{ color:var(--brand); }
.side-links a span{ transition:transform var(--dur) var(--ease); color:var(--ink-3); }
.side-links a:hover span{ transform:translateX(4px); color:var(--brand); }

/* ============ 自查步骤 ============ */
.steps-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media (min-width:640px){ .steps-grid{ grid-template-columns:1fr 1fr; } }
@media (min-width:1024px){ .steps-grid{ grid-template-columns:repeat(4,1fr); } }
.step-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 24px;
  box-shadow:var(--sh1);
  transition:border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.step-card:hover{
  border-color:rgba(226,86,43,.35);
  box-shadow:var(--sh2);
  transform:translateY(-2px);
}
.step-num{
  font-size:2rem;
  font-weight:800;
  line-height:1;
  color:rgba(226,86,43,.16);
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.step-card h3{
  font-size:1.0625rem;
  font-weight:700;
  margin-bottom:10px;
}
.step-card p{
  font-size:.875rem;
  color:var(--ink-3);
  line-height:1.85;
}

/* ============ 结论条 ============ */
.conclusion{
  display:flex;
  flex-direction:column;
  gap:18px;
  align-items:flex-start;
  background:var(--accent-soft);
  border:1px solid rgba(31,111,99,.18);
  border-radius:var(--r-lg);
  padding:32px;
}
@media (min-width:768px){
  .conclusion{ flex-direction:row; align-items:center; justify-content:space-between; padding:36px 40px; }
}
.conclusion p{
  font-size:1rem;
  line-height:1.85;
  color:var(--ink);
  max-width:56em;
}

/* ============ 下载 CTA ============ */
.cta-block{
  background:var(--ink);
  border-radius:var(--r-lg);
  padding:32px;
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  align-items:center;
}
@media (min-width:768px){
  .cta-block{ padding:64px; grid-template-columns:1fr 160px; gap:48px; }
}
.cta-block h2{
  color:#fff;
  font-size:clamp(1.6rem,3vw,2.25rem);
  line-height:1.25;
  font-weight:700;
  margin-bottom:14px;
}
.cta-block p{
  color:rgba(255,255,255,.72);
  font-size:.9375rem;
  line-height:1.9;
  max-width:40em;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
  align-items:center;
}
.cta-link{
  color:rgba(255,255,255,.78);
  font-size:.875rem;
  border-bottom:1px solid transparent;
}
.cta-link:hover{ color:#fff; border-bottom-color:#fff; }
.qr-card{
  width:160px;
  height:160px;
  border-radius:var(--r-md);
  background:#fff;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:14px;
  margin:0 auto;
}
.qr-card img{
  width:100%;
  height:110px;
  object-fit:cover;
  border-radius:8px;
}
.qr-card span{
  font-size:.75rem;
  color:var(--ink-3);
  letter-spacing:.04em;
}
.cta-space{ height:96px; }
@media (max-width:767px){ .cta-space{ height:64px; } }

/* ============ Footer ============ */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:64px 0 28px;
  font-size:.875rem;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  padding-bottom:40px;
}
@media (min-width:768px){
  .footer-grid{ grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:40px; }
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:700;
  font-size:1.0625rem;
  margin-bottom:16px;
}
.footer-brand .logo-mark{
  background:rgba(226,86,43,.16);
  border-color:rgba(226,86,43,.32);
}
.footer-text{
  line-height:1.9;
  color:rgba(255,255,255,.66);
  max-width:30em;
}
.footer-title{
  color:#fff;
  font-weight:600;
  margin-bottom:16px;
  font-size:.9375rem;
}
.footer-links{
  display:flex;
  flex-direction:column;
}
.footer-links a{
  color:rgba(255,255,255,.72);
  padding:8px 0;
  min-height:44px;
  display:flex;
  align-items:center;
  border-bottom:1px solid transparent;
  transition:color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  width:fit-content;
}
.footer-links a:hover{ color:var(--brand); border-bottom-color:var(--brand); }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:22px;
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  justify-content:space-between;
  font-size:.8125rem;
  color:rgba(255,255,255,.55);
}
.footer-bottom a{ color:rgba(255,255,255,.55); }
.footer-bottom a:hover{ color:var(--brand); }

/* ============ 滚动淡入 ============ */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity 400ms var(--ease), transform 400ms var(--ease);
}
.reveal.is-visible{ opacity:1; transform:translateY(0); }

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
  }
  .reveal{ opacity:1; transform:none; }
  html{ scroll-behavior:auto; }
}