/* roulang page: index */
:root{
  --brand:#0E3B34;
  --brand-deep:#08231E;
  --brand-2:#1C5C4E;
  --accent:#D2601A;
  --accent-soft:#F7E5D6;
  --paper:#F7F3EA;
  --surface:#FFFDF7;
  --line:#E4DBCB;
  --ink:#1B2420;
  --muted:#6B6A62;
  --radius-card:16px;
  --radius-nav:20px;
  --radius-img:14px;
  --radius-btn:10px;
  --shadow:0 10px 28px -18px rgba(18,42,35,.35);
  --shadow-hover:0 16px 36px -18px rgba(18,42,35,.45);
  --bs-primary:#0E3B34;
  --bs-body-bg:#F7F3EA;
  --bs-body-color:#1B2420;
  --bs-border-color:#E4DBCB;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);object-fit:cover}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;padding-left:24px;padding-right:24px}
.row{--bs-gutter-x:24px;row-gap:24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  padding:12px 12px 0;
  background:linear-gradient(180deg,rgba(247,243,234,.96),rgba(247,243,234,.82));
  backdrop-filter:blur(10px);
  transition:padding .25s ease;
}
.nav-panel{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-nav);
  box-shadow:var(--shadow);
  padding:10px 16px;
  transition:padding .25s ease,box-shadow .25s ease;
}
.site-header.is-compact .nav-panel{padding:6px 16px;box-shadow:var(--shadow-hover)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--brand);color:#FFFDF7;
  font-weight:700;font-size:17px;letter-spacing:0;
  box-shadow:inset 0 0 0 2px rgba(210,96,26,.55);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{font-size:16px;font-weight:700;color:var(--brand);letter-spacing:.01em}
.brand-text span{font-size:11px;color:var(--muted);letter-spacing:.14em}
.nav-chips{display:flex;align-items:center;gap:10px;margin-left:auto;flex-wrap:nowrap}
.nav-chip{
  display:flex;align-items:center;gap:8px;
  height:44px;padding:0 12px;
  border:1px solid var(--line);border-radius:8px;
  background:transparent;color:var(--ink);
  font-size:13px;line-height:1.15;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.nav-chip i{font-size:16px;color:var(--brand-2)}
.nav-chip b{display:block;font-weight:600;font-size:13px}
.nav-chip small{display:block;font-size:11px;color:var(--muted)}
.nav-chip:hover,.nav-chip:focus-visible{background:var(--accent-soft);color:var(--brand);border-color:var(--accent)}
.nav-chip.active{border-bottom:2px solid var(--brand)}
.nav-cta{
  flex-shrink:0;
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 18px;
  background:var(--brand);color:#FFFDF7;
  border:none;border-radius:var(--radius-btn);
  font-size:14px;font-weight:600;
  transition:background .2s ease,transform .2s ease;
}
.nav-cta:hover,.nav-cta:focus-visible{background:var(--brand-2);color:#FFFDF7;transform:translateY(-1px)}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--brand);
  font-size:20px;margin-left:auto;
}
.mobile-drawer{
  max-width:1200px;margin:10px auto 0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow);padding:8px;display:none;
}
.mobile-drawer.open{display:block}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:44px;padding:0 14px;border-radius:10px;font-size:15px;color:var(--ink);
}
.mobile-drawer a:hover,.mobile-drawer a.active{background:var(--accent-soft);color:var(--brand)}

/* ---------- common ---------- */
.section{padding:92px 0}
.section-tight{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--accent);text-transform:none;margin-bottom:14px;
}
.eyebrow::before{content:"";width:20px;height:1px;background:var(--accent)}
h1,h2,h3,h4{color:var(--ink);letter-spacing:-.01em}
h1{font-size:clamp(30px,4.2vw,50px);font-weight:700;line-height:1.25;margin:0 0 18px}
h2{font-size:clamp(24px,2.8vw,34px);font-weight:700;line-height:1.35;margin:0 0 14px}
h3{font-size:20px;font-weight:600;line-height:1.5;margin:0 0 8px}
.section-head{max-width:720px;margin-bottom:42px}
.section-head p{color:var(--muted);margin:0;font-size:16px}
.hairline{height:1px;background:var(--line);border:0;margin:0}
.lead-text{font-size:17px;color:var(--muted);line-height:1.9}

.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-main{background:var(--brand);color:#FFFDF7;border:1px solid var(--brand)}
.btn-main:hover,.btn-main:focus-visible{background:var(--brand-2);border-color:var(--brand-2);color:#FFFDF7;transform:translateY(-1px)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--brand);border:1.5px solid var(--brand)}
.btn-ghost:hover,.btn-ghost:focus-visible{background:var(--accent-soft);border-color:var(--accent);color:var(--brand);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14px;color:var(--brand)}
.link-more:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}
.badge-soft{
  display:inline-flex;align-items:center;
  padding:4px 11px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent);
  font-size:11.5px;font-weight:600;letter-spacing:.05em;line-height:1.6;
}
.badge-line{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;
  background:rgba(255,253,247,.12);color:#F7F3EA;border:1px solid rgba(247,243,234,.28);
  font-size:12.5px;letter-spacing:.03em;
}

/* ---------- hero ---------- */
.hero{padding:64px 0 88px}
.hero h1{max-width:14em}
.hero-sub{font-size:17px;color:var(--muted);line-height:1.9;margin-bottom:30px;max-width:34em}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.hero-points{display:flex;gap:22px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.hero-points span{display:inline-flex;align-items:center;gap:7px}
.hero-points i{color:var(--accent);font-size:14px}
.hero-visual{position:relative;padding-bottom:24px}
.hero-visual>img{
  width:100%;aspect-ratio:16/10;border-radius:18px;
  background:var(--line);box-shadow:var(--shadow);
}
.hero-float{
  position:absolute;left:-24px;bottom:0;width:230px;
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow);padding:16px 18px;
}
.hero-float b{display:block;font-size:26px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-float span{display:block;font-size:12.5px;color:var(--muted);margin-top:4px;line-height:1.6}

/* ---------- number cards ---------- */
.pain-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 22px;height:100%;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.pain-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:var(--brand)}
.pain-num{
  width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--accent);color:var(--accent);
  font-size:12.5px;font-weight:700;margin-bottom:14px;
}
.pain-card h3{font-size:18px;margin-bottom:8px}
.pain-card p{font-size:15px;line-height:1.75;color:var(--muted);margin:0}

/* ---------- solution ---------- */
.solution-row{align-items:center;margin-bottom:64px}
.solution-row:last-child{margin-bottom:0}
.solution-copy .num-eyebrow{
  font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--accent);margin-bottom:12px;display:block;
}
.solution-copy p{color:var(--muted);font-size:16px;margin-bottom:16px}
.tick-list{list-style:none;padding:0;margin:0 0 22px}
.tick-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink);padding:6px 0}
.tick-list i{color:var(--brand-2);font-size:16px;line-height:1.7}
.solution-img{width:100%;aspect-ratio:16/11;border-radius:16px;background:var(--line);box-shadow:var(--shadow)}

/* ---------- stats ---------- */
.stats-strip{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:34px 24px;box-shadow:var(--shadow);
}
.stat-item{text-align:center;padding:6px 4px}
.stat-item b{
  display:block;font-size:clamp(26px,3vw,36px);font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-item span{display:block;font-size:13.5px;color:var(--muted);margin-top:6px}
.case-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.case-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:var(--brand)}
.case-card img{width:100%;aspect-ratio:16/9;border-radius:0;background:var(--line)}
.case-body{padding:24px;flex:1;display:flex;flex-direction:column}
.case-body h3{font-size:19px;margin-bottom:10px}
.case-body p{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:16px}
.case-foot{margin-top:auto}

/* ---------- testimonial ---------- */
.quote-card{
  background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);
  border-radius:0 var(--radius-card) var(--radius-card) 0;
  padding:28px 26px;height:100%;
}
.quote-card p{font-size:17px;line-height:1.9;color:var(--ink);margin:0 0 20px}
.quote-who{display:flex;align-items:center;gap:12px}
.quote-avatar{
  width:40px;height:40px;border-radius:50%;
  background:var(--accent-soft);color:var(--brand);
  display:grid;place-items:center;font-weight:700;font-size:14px;
}
.quote-who b{display:block;font-size:14px;color:var(--ink)}
.quote-who span{display:block;font-size:13px;color:var(--muted)}

/* ---------- news ---------- */
.news-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;height:100%;color:var(--ink);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.news-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:var(--brand);color:var(--ink)}
.news-card:hover h3{color:var(--brand)}
.news-card:hover .news-arrow{transform:translateX(4px)}
.news-card .badge-soft{align-self:flex-start;margin-bottom:12px}
.news-card h3{font-size:18px;line-height:1.55;margin-bottom:10px;transition:color .2s ease}
.news-desc{
  font-size:14.5px;color:var(--muted);line-height:1.75;margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--line);
}
.news-foot time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-arrow{color:var(--brand);font-size:16px;transition:transform .2s ease}
.news-empty{
  text-align:center;padding:56px 24px;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-card);
}
.news-empty i{font-size:48px;color:var(--line);display:block;margin-bottom:14px}
.news-empty p{font-size:15px;color:var(--muted);margin:0 0 18px}

/* ---------- faq ---------- */
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease;
}
.faq-item:has(.faq-btn:not(.collapsed)){border-left:3px solid var(--accent)}
.faq-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink);cursor:pointer;min-height:44px;
}
.faq-btn:hover{color:var(--brand)}
.faq-btn:not(.collapsed){color:var(--brand)}
.faq-btn .ico{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;
  display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);
  font-size:14px;transition:transform .25s ease;
}
.faq-btn:not(.collapsed) .ico{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;font-size:15.5px;line-height:1.85;color:var(--muted)}

/* ---------- cta ---------- */
.cta-block{
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 52%,var(--brand) 100%);
  border-radius:20px;padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  color:#F7F3EA;
}
.cta-block h2{color:#FFFDF7;margin-bottom:10px}
.cta-block p{margin:0;color:rgba(247,243,234,.82);font-size:15.5px;max-width:42em}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-block .btn-main{background:var(--accent);border-color:var(--accent);color:#FFFDF7}
.cta-block .btn-main:hover,.cta-block .btn-main:focus-visible{background:#B94F12;border-color:#B94F12}
.cta-block .btn-ghost{color:#F7F3EA;border-color:rgba(247,243,234,.6)}
.cta-block .btn-ghost:hover,.cta-block .btn-ghost:focus-visible{background:rgba(247,243,234,.14);border-color:#F7F3EA;color:#FFFDF7}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-deep);color:rgba(247,243,234,.78);margin-top:0;padding:64px 0 0}
.site-footer .foot-top{border-top:1px solid rgba(247,243,234,.16);padding-top:48px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand .brand-mark{background:rgba(247,243,234,.1);box-shadow:inset 0 0 0 2px rgba(210,96,26,.7)}
.foot-brand b{color:#FFFDF7;font-size:16px}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(247,243,234,.66);margin:0 0 14px}
.foot-title{font-size:13px;font-weight:600;letter-spacing:.1em;color:#FFFDF7;margin:0 0 16px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:10px}
.site-footer a{color:rgba(247,243,234,.75);font-size:14px;display:inline-block;min-height:24px}
.site-footer a:hover,.site-footer a:focus-visible{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.foot-bottom{
  margin-top:44px;border-top:1px solid rgba(247,243,234,.16);
  padding:22px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,243,234,.7);
}
.foot-meta span{display:block;font-size:13px;color:rgba(247,243,234,.6);margin-bottom:6px}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .nav-chips .nav-chip:nth-child(n+5){display:none}
  .section{padding:72px 0}
}
@media (max-width:991px){
  .nav-chips,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .section{padding:64px 0}
  .hero{padding:40px 0 64px}
  .hero-visual{margin-top:32px}
  .hero-float{left:12px;bottom:0;width:200px}
  .solution-row{margin-bottom:48px}
  .solution-row .solution-img{margin-top:8px}
  .cta-block{padding:36px 28px}
  .stat-item{padding:12px 4px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding-left:20px;padding-right:20px}
  .section,.section-tight{padding:52px 0}
  .hero{padding:28px 0 52px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .hero-points{gap:14px}
  .hero-float{position:static;width:100%;margin-top:16px;left:0;bottom:0}
  .hero-visual{padding-bottom:0}
  .faq-btn{font-size:15.5px;padding:16px 18px}
  .faq-body{padding:0 18px 18px}
  .cta-block{padding:28px 22px;border-radius:16px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%}
  .foot-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  h1{font-size:28px}
  .brand-text b{font-size:14.5px}
  .brand-text span{font-size:10px;letter-spacing:.1em}
  .news-card{padding:20px}
}

/* roulang page: article */
:root{
  --brand:#0E3B34;
  --brand-deep:#08231E;
  --brand-2:#1C5C4E;
  --accent:#D2601A;
  --accent-soft:#F7E5D6;
  --paper:#F7F3EA;
  --surface:#FFFDF7;
  --line:#E4DBCB;
  --ink:#1B2420;
  --muted:#6B6A62;
  --danger:#B3261E;
  --shadow-s:0 10px 28px -18px rgba(18,42,35,.35);
  --shadow-h:0 16px 36px -18px rgba(18,42,35,.45);
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-nav:20px;
  --bs-body-bg:var(--paper);
  --bs-body-color:var(--ink);
  --bs-border-color:var(--line);
  --bs-link-color:var(--brand);
  --bs-link-hover-color:var(--accent);
  --bs-primary:var(--brand);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s,border-color .18s}
a:hover{color:var(--accent)}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:1.2em}
button{font-family:inherit}
[hidden]{display:none !important}
.container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (max-width:767px){.container{padding-left:20px;padding-right:20px}}

/* ---------- Header / Nav ---------- */
.site-header{position:sticky;top:0;z-index:80;padding:12px 12px 0;background:transparent}
.nav-panel{
  position:relative;
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:14px;
  padding:10px 14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-nav);
  box-shadow:var(--shadow-s);
  transition:padding .25s ease,box-shadow .25s ease;
}
.site-header.shrink .nav-panel{padding-top:7px;padding-bottom:7px;box-shadow:var(--shadow-h)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.brand:hover{color:var(--brand)}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--brand);color:var(--surface);
  font-size:17px;font-weight:700;letter-spacing:0;
  box-shadow:inset 0 -3px 0 var(--accent);
}
.brand-text b{display:block;font-size:16.5px;font-weight:700;line-height:1.25;letter-spacing:-.01em}
.brand-text small{display:block;font-size:11px;color:var(--muted);letter-spacing:.1em;line-height:1.4}
.nav-chips{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;justify-content:center;
  overflow-x:auto;scrollbar-width:none;
}
.nav-chips::-webkit-scrollbar{display:none}
.nav-chip{
  display:flex;align-items:center;gap:8px;
  min-height:44px;padding:6px 12px;
  border:1px solid var(--line);border-radius:10px;
  background:var(--surface);color:var(--ink);
  white-space:nowrap;
  transition:background .18s,border-color .18s,color .18s,transform .18s;
}
.nav-chip i{font-size:15px;color:var(--brand-2);transition:color .18s}
.nav-chip b{display:block;font-size:13.5px;font-weight:600;line-height:1.3}
.nav-chip small{display:block;font-size:11px;color:var(--muted);line-height:1.3}
.nav-chip:hover{background:var(--accent-soft);border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.nav-chip:hover i{color:var(--accent)}
.nav-chip:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.nav-chip.active{border-color:var(--brand);box-shadow:inset 0 -2px 0 var(--brand)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;
  background:var(--surface);color:var(--brand);font-size:20px;
  transition:background .18s,border-color .18s;
}
.nav-toggle:hover{background:var(--accent-soft);border-color:var(--brand)}
.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- Buttons ---------- */
.btn-brand,.btn-ghost,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 20px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.3;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background .18s,color .18s,border-color .18s,transform .18s,box-shadow .18s;
}
.btn-brand{background:var(--brand);border-color:var(--brand);color:var(--surface)}
.btn-brand:hover{background:var(--brand-2);border-color:var(--brand-2);color:var(--surface);transform:translateY(-1px);box-shadow:var(--shadow-h)}
.btn-accent{background:var(--accent);border-color:var(--accent);color:var(--surface)}
.btn-accent:hover{background:#B94F11;border-color:#B94F11;color:var(--surface);transform:translateY(-1px);box-shadow:var(--shadow-h)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--accent-soft);border-color:var(--brand);color:var(--brand)}
.btn-brand:focus-visible,.btn-ghost:focus-visible,.btn-accent:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- Banner / Crumb ---------- */
.article-banner{
  position:relative;
  padding:26px 0 34px;
  background-image:linear-gradient(180deg,rgba(247,243,234,.94),rgba(247,243,234,.99)),url("/assets/images/backpic/back-3.png");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  margin-bottom:44px;
}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--muted)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb i{font-size:11px;color:#B9AE99}
.crumb .now{color:var(--brand);font-weight:600}
.banner-row{margin-top:22px;max-width:820px}
.col-back{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--accent);
  background:var(--accent-soft);
  border-radius:999px;padding:5px 13px;
  margin-bottom:14px;
}
.col-back:hover{color:#A9480E;background:#F3DAC6}
.banner-row h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.4;color:var(--brand);letter-spacing:-.01em}
.banner-row p{margin-top:10px;font-size:15px;color:var(--muted);max-width:640px;line-height:1.85}

/* ---------- Article shell ---------- */
.article-shell{
  display:grid;
  grid-template-columns:minmax(0,1fr) 292px;
  gap:44px;
  align-items:start;
  padding-bottom:8px;
}
.article-main{min-width:0}
.article-head{max-width:760px;padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:30px}
.badge-soft{
  display:inline-block;
  background:var(--accent-soft);color:var(--accent);
  font-size:11.5px;font-weight:600;letter-spacing:.06em;
  padding:4px 12px;border-radius:999px;
  margin-bottom:16px;
}
.article-head h1{
  font-size:clamp(28px,3.6vw,42px);
  font-weight:700;line-height:1.32;letter-spacing:-.01em;
  color:var(--ink);
}
.meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  margin-top:18px;font-size:13.5px;color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.meta-row span{display:inline-flex;align-items:center;gap:6px}
.meta-row i{font-size:14px;color:var(--brand-2)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C6BCA8;padding:0}

/* ---------- Article body ---------- */
.article-body{
  max-width:760px;
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
}
.article-body p{margin:0 0 1em}
.article-body h2{
  position:relative;
  margin:1.8em 0 .6em;
  padding-left:15px;
  font-size:clamp(21px,2.2vw,26px);
  font-weight:700;
  line-height:1.45;
  color:var(--brand);
  letter-spacing:-.01em;
  scroll-margin-top:104px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;bottom:.34em;width:3px;border-radius:2px;background:var(--accent);
}
.article-body h3{
  margin:1.4em 0 .5em;
  font-size:19px;font-weight:600;line-height:1.55;color:var(--ink);
  scroll-margin-top:104px;
}
.article-body ul,.article-body ol{margin:0 0 1em;line-height:1.85}
.article-body li{margin-bottom:.35em}
.article-body blockquote{
  margin:1.2em 0;
  padding:16px 20px;
  background:#FBF6EC;
  border-left:3px solid var(--accent);
  border-radius:0 12px 12px 0;
  color:#3A4A43;
  font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{width:100%;border-radius:var(--r-img);margin:1.2em 0;background:var(--line)}
.article-body figure{margin:1.2em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.article-body th{background:#FBF7EE;font-weight:600;color:var(--brand)}
.article-body a{color:var(--brand);border-bottom:2px solid transparent;font-weight:500}
.article-body a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.article-body code{background:#F1EADD;border-radius:5px;padding:2px 6px;font-size:14.5px;color:#7A3A11}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}

/* ---------- Empty state ---------- */
.empty-state{
  max-width:760px;
  text-align:center;
  padding:64px 48px;
  background:var(--surface);
  border:1px dashed var(--line);
  border-radius:var(--r-card);
}
.empty-state i{font-size:48px;color:#C2B7A2;display:block;margin-bottom:14px}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:20px}

/* ---------- Article foot ---------- */
.article-foot{
  max-width:760px;
  display:flex;align-items:flex-start;justify-content:space-between;
  gap:18px;flex-wrap:wrap;
  margin-top:40px;padding-top:22px;
  border-top:1px solid var(--line);
}
.tags{display:flex;align-items:center;flex-wrap:wrap;gap:8px}
.tag-label{font-size:13px;color:var(--muted);letter-spacing:.06em}
.tag{
  font-size:13px;color:var(--brand);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  padding:5px 13px;
  transition:background .18s,color .18s,border-color .18s;
}
.tag:hover{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}
.share{display:flex;align-items:center;gap:8px}
.share-btn{
  display:inline-flex;align-items:center;gap:7px;
  min-height:40px;padding:8px 15px;
  font-size:13.5px;font-weight:600;color:var(--brand);
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  transition:background .18s,border-color .18s,color .18s;
}
.share-btn:hover{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}
.share-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- Related ---------- */
.related{margin-top:52px}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px}
.sec-head h2{
  position:relative;padding-left:14px;
  font-size:clamp(20px,2.2vw,24px);font-weight:700;color:var(--brand);line-height:1.4;
}
.sec-head h2::before{content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:3px;border-radius:2px;background:var(--accent)}
.sec-head span{font-size:13px;color:var(--muted)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-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-s);
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.rel-card:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--shadow-h)}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--line)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.rel-body .badge-soft{margin-bottom:0;align-self:flex-start}
.rel-body h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink)}
.rel-card:hover h3{color:var(--brand)}
.rel-body p{font-size:14px;color:var(--muted);line-height:1.8}
.rel-more{
  margin-top:auto;padding-top:10px;
  font-size:13.5px;font-weight:600;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;
}
.rel-more i{transition:transform .2s}
.rel-card:hover .rel-more i{transform:translateX(4px)}

/* ---------- Back row ---------- */
.back-row{
  max-width:760px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:38px;padding:20px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-s);
}
.back-row p{font-size:14px;color:var(--muted)}
.back-row a{font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:7px}
.back-row a i{transition:transform .2s}
.back-row a:hover i{transform:translateX(-4px)}

/* ---------- Aside ---------- */
.article-aside{display:flex;flex-direction:column;gap:18px;position:sticky;top:96px}
.aside-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:18px 20px;
  box-shadow:var(--shadow-s);
}
.aside-card h3{
  font-size:14.5px;font-weight:700;color:var(--brand);
  letter-spacing:.04em;margin-bottom:12px;
  display:flex;align-items:center;gap:7px;
}
.aside-card h3 i{color:var(--accent);font-size:14px}
.toc-link{
  display:block;font-size:13.5px;line-height:1.6;
  color:var(--muted);padding:7px 10px;
  border-left:2px solid var(--line);
  transition:color .18s,border-color .18s,background .18s;
}
.toc-link:hover{color:var(--brand);border-left-color:var(--accent);background:var(--accent-soft)}
.aside-links{display:flex;flex-direction:column;gap:4px}
.aside-links a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:14px;color:var(--ink);
  padding:9px 10px;border-radius:8px;
  transition:background .18s,color .18s;
}
.aside-links a:hover{background:var(--accent-soft);color:var(--brand)}
.aside-links a i{font-size:12px;color:var(--muted)}
.aside-card p.tip{font-size:13.5px;color:var(--muted);line-height:1.85;margin-bottom:14px}
.aside-card .btn-ghost{width:100%;font-size:14px;min-height:42px;padding:9px 14px}

/* ---------- CTA band ---------- */
.cta-band{margin:80px auto 0;max-width:1200px;padding:0 24px}
.cta-box{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:44px 48px;
  border-radius:var(--r-nav);
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 62%);
  color:var(--surface);
}
.cta-box h2{font-size:clamp(21px,2.4vw,28px);font-weight:700;line-height:1.45;letter-spacing:-.01em}
.cta-box p{margin-top:10px;font-size:14.5px;line-height:1.85;color:rgba(255,253,247,.78);max-width:560px}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:88px;
  background:var(--brand-deep);
  color:rgba(255,253,247,.82);
  border-top:1px solid rgba(255,253,247,.12);
  padding:56px 0 26px;
}
.foot-top{padding-bottom:34px;border-bottom:1px solid rgba(255,253,247,.14)}
.site-footer .row{--bs-gutter-y:26px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;background:var(--surface);color:var(--brand);font-size:16px}
.foot-brand b{font-size:16.5px;font-weight:700;color:var(--surface);letter-spacing:-.01em}
.site-footer p{font-size:13.5px;line-height:1.85;color:rgba(255,253,247,.72);margin:0 0 10px}
.foot-meta{display:flex;flex-direction:column;gap:4px;font-size:13px;color:rgba(255,253,247,.55)}
.foot-title{font-size:13.5px;font-weight:700;color:var(--surface);letter-spacing:.08em;margin-bottom:14px !important}
.site-footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px}
.site-footer ul a{font-size:13.5px;color:rgba(255,253,247,.72)}
.site-footer ul a:hover{color:var(--accent-soft)}
.site-footer a:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding-top:22px;font-size:12.5px;color:rgba(255,253,247,.5);
  font-variant-numeric:tabular-nums;
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .article-shell{grid-template-columns:1fr;gap:36px}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap}
  .article-aside .aside-card{flex:1 1 260px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  .nav-chips{
    position:absolute;top:calc(100% + 8px);left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;justify-content:flex-start;
    background:var(--surface);border:1px solid var(--line);border-radius:16px;
    padding:10px;box-shadow:var(--shadow-h);gap:6px;overflow:visible;
  }
  .nav-chips.open{display:flex}
  .nav-chip{width:100%;justify-content:flex-start}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-brand{display:none}
  .brand-text small{display:none}
  .article-banner{padding:20px 0 28px;margin-bottom:34px}
  .cta-box{padding:34px 28px}
  .site-footer{margin-top:68px;padding-top:44px}
}
@media (max-width:767px){
  .article-shell{gap:28px}
  .related-grid{grid-template-columns:1fr}
  .article-body{font-size:16.5px}
  .article-head{padding-bottom:20px;margin-bottom:24px}
  .meta-row{gap:8px;font-size:12.5px}
  .empty-state{padding:48px 24px}
  .article-aside{flex-direction:column}
  .back-row{flex-direction:column;align-items:flex-start}
  .cta-band{margin-top:56px;padding:0 20px}
  .cta-box{padding:28px 22px}
  .cta-box .btn-accent{width:100%}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:6px}
}
@media (max-width:520px){
  .brand-text b{font-size:15px}
  .nav-panel{gap:10px;padding:9px 12px}
  .article-head h1{font-size:27px}
  .banner-row h2{font-size:21px}
  .btn-brand,.btn-ghost,.btn-accent{width:100%}
  .share{width:100%}
  .share-btn{width:100%;justify-content:center}
}

/* roulang page: category1 */
:root{
  --brand:#0E3B34;
  --brand-deep:#08231E;
  --brand-2:#1C5C4E;
  --accent:#D2601A;
  --accent-soft:#F7E5D6;
  --paper:#F7F3EA;
  --surface:#FFFDF7;
  --line:#E4DBCB;
  --ink:#1B2420;
  --muted:#6B6A62;
  --danger:#B3261E;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:10px;
  --shadow:0 10px 28px -18px rgba(18,42,35,.35);
  --shadow-hover:0 16px 36px -18px rgba(18,42,35,.45);
  --bs-body-bg:#F7F3EA;
  --bs-body-color:#1B2420;
  --bs-border-color:#E4DBCB;
  --bs-primary:#0E3B34;
  --bs-primary-rgb:14,59,52;
  --bs-link-color:#1C5C4E;
  --bs-link-hover-color:#0E3B34;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-2);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  padding:12px 12px 0;
}
.header-inner{
  max-width:1200px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:14px;
  padding:10px 14px;
  background:rgba(255,253,247,.96);
  backdrop-filter:blur(8px);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--shadow);
  transition:padding .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled .header-inner{
  padding-top:4px;
  padding-bottom:4px;
  box-shadow:var(--shadow-hover);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--brand);
}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--brand);
  color:var(--surface);
  font-size:17px;font-weight:700;
  box-shadow:inset 0 0 0 1px rgba(210,96,26,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:16px;font-weight:700;letter-spacing:.01em;}
.brand-text small{font-size:11.5px;color:var(--muted);letter-spacing:.06em;}

.nav-chips{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
}
.nav-chip{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:6px 12px;
  border:1px solid var(--line);
  border-radius:8px;
  background:var(--surface);
  color:var(--brand);
  transition:background .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.nav-chip i{font-size:16px;color:var(--brand-2);transition:color .2s ease;}
.nav-chip span{display:flex;flex-direction:column;line-height:1.15;}
.nav-chip b{font-size:14px;font-weight:600;}
.nav-chip small{font-size:11px;color:var(--muted);letter-spacing:.04em;}
.nav-chip:hover{
  background:var(--accent-soft);
  border-color:#E9C9AE;
  color:var(--brand);
  transform:translateY(-1px);
}
.nav-chip:hover i{color:var(--accent);}
.nav-chip.active{
  box-shadow:inset 0 -2px 0 var(--brand);
  border-color:#D3C7B2;
  background:#FFFCF4;
}
.nav-chip:active{transform:translateY(0);}

.header-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.btn-cta{padding:10px 18px !important;font-size:14px !important;}

.nav-toggle{
  display:none;
  align-items:center;justify-content:center;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--surface);
  color:var(--brand);
  font-size:20px;
  cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--accent-soft);border-color:#E9C9AE;}
.nav-toggle:active{background:#F1DCC9;}

.mobile-drawer{
  display:none;
  max-width:1200px;
  margin:8px auto 0;
  padding:12px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--shadow-hover);
}
.mobile-drawer.open{display:block;}
.mobile-drawer .drawer-grid{display:grid;grid-template-columns:1fr;gap:8px;}
.mobile-drawer .nav-chip{width:100%;justify-content:flex-start;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:11px 24px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-brand{background:var(--brand);color:var(--surface);border-color:var(--brand);box-shadow:var(--shadow);}
.btn-brand:hover{background:var(--brand-2);color:var(--surface);transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn-brand:active{transform:translateY(0);background:var(--brand-deep);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--accent-soft);color:var(--brand);border-color:var(--brand);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);background:#F1DCC9;}
.btn-accent{background:var(--accent);color:#FFF8F1;border-color:var(--accent);}
.btn-accent:hover{background:#B94F0F;color:#FFF8F1;transform:translateY(-1px);box-shadow:0 16px 32px -20px rgba(0,0,0,.6);}
.btn-accent:active{transform:translateY(0);}
.btn-outline-paper{background:transparent;color:#F7F3EA;border-color:rgba(247,243,234,.55);}
.btn-outline-paper:hover{background:rgba(247,243,234,.12);color:#FFFDF7;border-color:rgba(247,243,234,.85);transform:translateY(-1px);}

/* ---------- Shared bits ---------- */
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(24px,2.8vw,34px);line-height:1.35;margin:14px 0 12px;}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--accent);
  text-transform:none;
}
.eyebrow::before{content:"";width:20px;height:2px;background:currentColor;display:inline-block;}
.eyebrow-plain::before{display:none;}
.badge-soft{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 14px;
  border-radius:999px;
  background:var(--accent-soft);
  color:var(--accent);
  font-size:12px;
  font-weight:600;
  letter-spacing:.05em;
}
.divider-dots{
  display:flex;align-items:center;justify-content:center;gap:8px;
  padding:0 0 8px;
}
.divider-dots span{width:5px;height:5px;border-radius:50%;background:var(--line);}
.divider-dots span:nth-child(2){background:var(--accent);}

/* ---------- Breadcrumb ---------- */
.breadcrumb-bar{padding:24px 0 0;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--accent);text-decoration-thickness:2px;}
.crumb .sep{color:#C9BEAB;}
.crumb .current{color:var(--brand);font-weight:600;}

/* ---------- Page hero ---------- */
.page-hero{padding:20px 0 0;}
.hero-panel{
  position:relative;
  overflow:hidden;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:24px;
  padding:44px;
  box-shadow:var(--shadow);
}
.hero-panel::before{
  content:"";
  position:absolute;
  right:-80px;top:-90px;
  width:420px;height:420px;
  background:url('/assets/images/backpic/back-2.png') no-repeat center/cover;
  opacity:.10;
  pointer-events:none;
  border-radius:50%;
}
.hero-panel::after{
  content:"";
  position:absolute;
  right:0;top:0;
  width:44%;height:100%;
  background:linear-gradient(135deg,rgba(14,59,52,.10),rgba(8,35,30,0));
  pointer-events:none;
}
.hero-grid{position:relative;z-index:1;}
.hero-copy h1{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.28;
  letter-spacing:-.01em;
  margin:16px 0 18px;
}
.hero-copy .lead{
  font-size:17px;
  color:var(--muted);
  max-width:34em;
  margin-bottom:24px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:var(--muted);}
.hero-meta span{display:inline-flex;align-items:center;gap:6px;}
.hero-meta i{color:var(--brand-2);font-size:15px;}

.hero-figure{position:relative;}
.hero-figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:18px;
  background:var(--line);
  box-shadow:var(--shadow-hover);
}
.hero-note{
  position:absolute;
  left:-24px;
  bottom:-22px;
  width:220px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  padding:16px 18px;
  box-shadow:var(--shadow-hover);
}
.hero-note b{
  display:block;
  font-size:26px;
  font-weight:700;
  color:var(--brand);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.hero-note span{font-size:13px;color:var(--muted);}

/* ---------- Stat strip ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.stat-item{
  padding:24px 22px;
  border-right:1px solid var(--line);
}
.stat-item:last-child{border-right:0;}
.stat-item b{
  display:block;
  font-size:clamp(22px,2.4vw,28px);
  font-weight:700;
  color:var(--brand);
  line-height:1.25;
  font-variant-numeric:tabular-nums;
}
.stat-item span{font-size:13.5px;color:var(--muted);}

/* ---------- Feature rows ---------- */
.feature-row + .feature-row{margin-top:72px;padding-top:72px;border-top:1px solid var(--line);}
.feature-figure{margin:0;}
.feature-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--radius-img);
  background:var(--line);
  box-shadow:var(--shadow);
  transition:box-shadow .25s ease,transform .25s ease;
}
.feature-figure img:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.feature-figure figcaption{
  margin-top:12px;
  font-size:13px;
  color:var(--muted);
  line-height:1.7;
}
.feature-copy h2{
  font-size:clamp(23px,2.7vw,32px);
  line-height:1.35;
  margin:14px 0 14px;
}
.feature-copy p{color:#3A423C;max-width:36em;}
.num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:28px;height:28px;
  border-radius:50%;
  border:1.5px solid var(--accent);
  color:var(--accent);
  font-size:13px;
  font-weight:700;
  letter-spacing:0;
  font-variant-numeric:tabular-nums;
}
.eyebrow.with-num{gap:10px;letter-spacing:.08em;color:var(--brand-2);}
.eyebrow.with-num::before{display:none;}
.point-list{margin-top:22px;border-top:1px solid var(--line);}
.point-list li{
  position:relative;
  padding:13px 0 13px 22px;
  border-bottom:1px solid var(--line);
  font-size:15.5px;
  line-height:1.75;
  color:#39423B;
}
.point-list li::before{
  content:"";
  position:absolute;
  left:2px;top:21px;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--accent);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-accordion .accordion-item{
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:0 6px 18px -16px rgba(18,42,35,.4);
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-accordion .accordion-item:hover{border-color:#D3C7B2;box-shadow:var(--shadow);}
.faq-accordion .accordion-header{margin:0;}
.faq-accordion .accordion-button{
  position:relative;
  width:100%;
  background:var(--surface);
  color:var(--brand);
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  padding:18px 56px 18px 20px;
  border:0;
  border-radius:12px;
  box-shadow:none;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.faq-accordion .accordion-button:hover{background:#FFFBF1;}
.faq-accordion .accordion-button:focus{box-shadow:none;}
.faq-accordion .accordion-button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;}
.faq-accordion .accordion-button:not(.collapsed){
  background:var(--accent-soft);
  color:var(--brand);
  box-shadow:inset 3px 0 0 var(--accent);
}
.faq-accordion .accordion-button::after{
  content:"";
  position:absolute;
  right:20px;top:50%;
  width:15px;height:15px;
  margin:0;
  transform:translateY(-50%);
  background-image:linear-gradient(var(--accent),var(--accent)),linear-gradient(var(--accent),var(--accent));
  background-size:15px 2px,2px 15px;
  background-position:center center,center center;
  background-repeat:no-repeat;
  background-color:transparent;
  border-radius:0;
  transition:transform .25s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(45deg);}
.faq-accordion .accordion-body{
  padding:6px 20px 22px;
  font-size:15.5px;
  line-height:1.85;
  color:#3A423C;
  background:var(--surface);
}

/* ---------- CTA ---------- */
.cta-block{
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 62%);
  border-radius:20px;
  padding:48px;
  color:#F7F3EA;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:var(--shadow-hover);
}
.cta-copy{max-width:620px;}
.cta-copy .eyebrow{color:#F0B98C;}
.cta-copy h2{
  color:#FFFDF7;
  font-size:clamp(23px,2.7vw,32px);
  line-height:1.35;
  margin:14px 0 12px;
}
.cta-copy p{color:rgba(247,243,234,.82);font-size:15.5px;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:88px;
  background:var(--brand-deep);
  color:rgba(247,243,234,.82);
  border-top:1px solid rgba(247,243,234,.12);
}
.site-footer p{margin:0 0 10px;font-size:14px;line-height:1.85;}
.foot-top{padding-top:64px;padding-bottom:36px;}
.foot-brand{
  display:flex;align-items:center;gap:10px;
  margin-bottom:16px;
  color:#FFFDF7;
}
.foot-brand .brand-mark{
  background:var(--brand-2);
  box-shadow:inset 0 0 0 1px rgba(210,96,26,.6);
}
.foot-brand b{font-size:17px;font-weight:700;letter-spacing:.01em;}
.foot-meta{display:flex;flex-direction:column;gap:4px;font-size:13px;color:rgba(247,243,234,.62);}
.foot-title{
  color:#FFFDF7;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  margin:6px 0 16px;
}
.site-footer ul{display:flex;flex-direction:column;gap:10px;}
.site-footer ul a{
  color:rgba(247,243,234,.78);
  font-size:14px;
  transition:color .2s ease,padding-left .2s ease;
}
.site-footer ul a:hover{color:#F0B98C;padding-left:4px;}
.site-footer ul a:active{color:var(--accent);}
.foot-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:18px 0 28px;
  border-top:1px solid rgba(247,243,234,.12);
  font-size:13px;
  color:rgba(247,243,234,.7);
}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .nav-chip small{display:none;}
  .nav-chip b{font-size:13.5px;}
  .nav-chip{padding:6px 10px;}
  .stat-item{padding:20px 16px;}
}
@media (max-width:991.98px){
  .header-inner .nav-chips{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:64px 0;}
  .hero-panel{padding:32px;}
  .hero-note{left:auto;right:12px;bottom:-18px;width:190px;}
  .feature-row + .feature-row{margin-top:56px;padding-top:56px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line);}
  .cta-block{padding:36px;}
  .site-footer{margin-top:64px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container{padding-left:20px;padding-right:20px;}
  .site-header{padding:8px 8px 0;}
  .header-inner{padding:8px 10px;gap:10px;}
  .brand-text small{display:none;}
  .brand-text b{font-size:15px;}
  .btn-cta{display:none;}
  .section{padding:52px 0;}
  .hero-panel{padding:24px;border-radius:20px;}
  .hero-copy h1{font-size:30px;line-height:1.3;}
  .hero-copy .lead{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-note{position:static;width:100%;margin-top:14px;box-shadow:var(--shadow);}
  .hero-figure img{aspect-ratio:16/10;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);}
  .stat-item:last-child{border-bottom:0;}
  .feature-figure img{aspect-ratio:16/10;}
  .cta-block{padding:28px 22px;border-radius:16px;}
  .cta-actions{width:100%;flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .faq-accordion .accordion-button{font-size:15.5px;padding:16px 48px 16px 16px;}
}
@media (max-width:520px){
  .breadcrumb-bar{padding-top:16px;}
  .crumb{font-size:12.5px;}
  .hero-badges{gap:8px;}
  .badge-soft{font-size:11.5px;padding:4px 11px;}
}

/* roulang page: category2 */
:root{
  --brand:#0E3B34;
  --brand-deep:#08231E;
  --brand-2:#1C5C4E;
  --accent:#D2601A;
  --accent-soft:#F7E5D6;
  --paper:#F7F3EA;
  --surface:#FFFDF7;
  --line:#E4DBCB;
  --ink:#1B2420;
  --muted:#6B6A62;
  --danger:#B3261E;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:10px;
  --shadow:0 10px 28px -18px rgba(18,42,35,.35);
  --shadow-lg:0 16px 36px -18px rgba(18,42,35,.45);
  --bs-body-bg:var(--paper);
  --bs-body-color:var(--ink);
  --bs-border-color:var(--line);
  --bs-primary:var(--brand);
  --bs-link-color:var(--brand-2);
  --bs-link-hover-color:var(--accent);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;letter-spacing:-.01em;}
h1{font-size:clamp(30px,4.2vw,50px);line-height:1.25;}
h2{font-size:clamp(24px,2.8vw,34px);line-height:1.35;}
h3{font-size:19px;line-height:1.5;font-weight:600;}
p{margin:0;}
a{color:var(--brand-2);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover{color:var(--accent);}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;object-fit:cover;background:var(--line);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;padding-inline:24px;}
@media (max-width:991.98px){.container{padding-inline:20px;}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;padding:12px;}
.header-panel{
  position:relative;
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--shadow);
  transition:padding .22s ease,box-shadow .22s ease;
}
.header-panel.compact{padding:4px 16px;box-shadow:var(--shadow-lg);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  display:grid;place-items:center;
  border-radius:50%;
  background:var(--brand);
  color:var(--surface);
  font-weight:700;font-size:18px;
  border:2px solid var(--accent);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:16px;color:var(--brand);letter-spacing:.01em;}
.brand-text small{font-size:11px;color:var(--muted);letter-spacing:.08em;}
.nav-chips{display:flex;align-items:center;gap:8px;flex:1;justify-content:center;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;}
.nav-chips::-webkit-scrollbar{display:none;}
.nav-chip{
  display:flex;align-items:center;gap:8px;
  min-height:44px;padding:6px 12px;
  border:1px solid var(--line);
  border-radius:8px;
  color:var(--ink);
  background:transparent;
  white-space:nowrap;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease,transform .18s ease;
}
.nav-chip i{font-size:16px;color:var(--brand-2);transition:color .18s ease;}
.nav-chip span{display:flex;flex-direction:column;line-height:1.2;}
.nav-chip b{font-size:14px;font-weight:600;}
.nav-chip small{font-size:11px;color:var(--muted);}
.nav-chip:hover,.nav-chip:focus-visible{background:var(--accent-soft);border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.nav-chip:hover i,.nav-chip:focus-visible i{color:var(--accent);}
.nav-chip.active{background:var(--accent-soft);border-color:var(--brand);box-shadow:inset 0 -2px 0 var(--brand);}
.nav-chip.active b{color:var(--brand);}
.header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 18px;
  background:var(--brand);color:var(--surface);
  border:1px solid var(--brand);
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;
  cursor:pointer;
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-main:hover,.btn-main:focus-visible{background:var(--brand-2);color:var(--surface);transform:translateY(-1px);box-shadow:var(--shadow);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 18px;
  background:transparent;color:var(--brand);
  border:1.5px solid var(--brand);
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,transform .18s ease;
}
.btn-ghost:hover,.btn-ghost:focus-visible{background:var(--accent-soft);color:var(--brand);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;
  background:transparent;border:1px solid var(--line);border-radius:10px;
  color:var(--brand);font-size:20px;cursor:pointer;
}
.nav-toggle:hover{background:var(--accent-soft);border-color:var(--brand);}
@media (max-width:1199.98px){
  .nav-chip small{display:none;}
  .nav-chip{padding:6px 10px;}
}
@media (max-width:991.98px){
  .nav-toggle{display:inline-flex;}
  .nav-chips{display:none;}
  .header-panel.nav-open .nav-chips{
    display:flex;flex-direction:column;align-items:stretch;
    position:absolute;left:0;right:0;top:calc(100% + 8px);
    background:var(--surface);
    border:1px solid var(--line);border-radius:16px;
    padding:12px;gap:8px;
    box-shadow:var(--shadow-lg);
    max-height:70vh;overflow-y:auto;
  }
  .header-panel.nav-open .nav-chip{width:100%;justify-content:flex-start;}
  .header-panel.nav-open .nav-chip small{display:block;}
  .header-actions .btn-main span{display:none;}
  .header-actions .btn-main{padding:10px 14px;}
}
@media (max-width:575.98px){
  .brand-text b{font-size:15px;}
  .brand-text small{display:none;}
  .site-header{padding:8px;}
}

/* ---------- breadcrumb ---------- */
.crumbs{padding-top:22px;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumbs a{color:var(--muted);border-bottom:1px solid transparent;}
.crumbs a:hover{color:var(--accent);border-bottom-color:var(--accent);}
.crumbs .sep{color:var(--line);}
.crumbs .now{color:var(--brand);font-weight:600;}

/* ---------- page hero ---------- */
.page-hero{padding:34px 0 8px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--accent);margin-bottom:14px;
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--accent);display:inline-block;}
.page-hero h1{margin-bottom:16px;}
.hero-lead{font-size:16px;line-height:1.9;color:var(--muted);max-width:36em;margin-bottom:20px;}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;
  background:var(--accent-soft);color:var(--accent);
  font-size:12px;font-weight:600;letter-spacing:.05em;
  border-radius:999px;
}
.chip.muted{background:transparent;color:var(--muted);border:1px solid var(--line);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-figure{
  position:relative;
  border-radius:18px;overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  aspect-ratio:16/11;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.float-card{
  position:absolute;left:-24px;bottom:22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--shadow-lg);
  padding:14px 18px;
  min-width:200px;
}
.float-card b{display:block;font-size:22px;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.3;}
.float-card span{font-size:12px;color:var(--muted);}
@media (max-width:991.98px){
  .float-card{left:16px;bottom:16px;padding:12px 14px;min-width:170px;}
  .float-card b{font-size:19px;}
}
@media (max-width:575.98px){
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .page-hero{padding:24px 0 4px;}
}

/* ---------- info bar ---------- */
.info-bar{
  margin-top:40px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--shadow);
  display:grid;
  grid-template-columns:repeat(4,1fr);
  overflow:hidden;
}
.info-cell{padding:20px 22px;border-right:1px solid var(--line);}
.info-cell:last-child{border-right:none;}
.info-cell b{
  display:block;font-size:clamp(20px,2.4vw,26px);
  color:var(--brand);font-weight:700;font-variant-numeric:tabular-nums;
  line-height:1.3;margin-bottom:2px;
}
.info-cell span{font-size:13px;color:var(--muted);letter-spacing:.03em;}
@media (max-width:991.98px){
  .info-bar{grid-template-columns:repeat(2,1fr);}
  .info-cell:nth-child(2){border-right:none;}
  .info-cell:nth-child(1),.info-cell:nth-child(2){border-bottom:1px solid var(--line);}
}
@media (max-width:575.98px){
  .info-bar{grid-template-columns:1fr;}
  .info-cell{border-right:none;border-bottom:1px solid var(--line);padding:16px 18px;}
  .info-cell:last-child{border-bottom:none;}
}

/* ---------- sections ---------- */
.section{padding:88px 0 0;}
.section-head{max-width:720px;margin-bottom:34px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:16px;line-height:1.85;}
.sec-divider{
  height:1px;background:var(--line);margin-top:88px;
}
.dot-row{display:flex;gap:6px;align-items:center;margin-top:88px;}
.dot-row i{width:6px;height:6px;border-radius:50%;background:var(--line);display:block;}
.dot-row i.on{background:var(--accent);}

/* ---------- spot grid ---------- */
.spot-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.spot-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
  display:flex;flex-direction:column;
  box-shadow:var(--shadow);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.spot-card:hover,.spot-card:focus-within{
  border-color:var(--brand);
  box-shadow:var(--shadow-lg);
  transform:translateY(-2px);
}
.spot-media{
  border-radius:var(--radius-img);
  overflow:hidden;
  aspect-ratio:16/9;
  margin-bottom:18px;
  background:var(--line);
}
.spot-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.spot-card:hover .spot-media img{transform:scale(1.03);}
.card-top{display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.idx{
  width:28px;height:28px;flex:0 0 28px;
  display:grid;place-items:center;
  border:1px solid var(--line);border-radius:50%;
  font-size:12px;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.card-tag{
  font-size:11px;font-weight:600;letter-spacing:.05em;
  padding:3px 10px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent);
}
.spot-card h3{margin-bottom:10px;}
.spot-card:hover h3{color:var(--brand);}
.card-desc{font-size:15px;line-height:1.75;color:var(--muted);margin-bottom:16px;}
.point-list{display:flex;flex-direction:column;gap:8px;margin-bottom:20px;}
.point-list li{
  position:relative;padding-left:20px;
  font-size:14px;line-height:1.7;color:var(--ink);
}
.point-list li::before{
  content:"";position:absolute;left:2px;top:11px;
  width:6px;height:6px;border-radius:50%;
  background:var(--brand-2);
}
.card-link{
  margin-top:auto;
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;
  font-size:14px;font-weight:600;color:var(--brand);
  border-top:1px solid var(--line);
  padding-top:14px;
}
.card-link i{transition:transform .2s ease;font-size:14px;}
.card-link:hover{color:var(--accent);}
.card-link:hover i{transform:translateX(4px);}
@media (max-width:991.98px){
  .spot-grid{grid-template-columns:1fr;}
}

/* ---------- rhythm strip ---------- */
.rhythm{
  margin-top:56px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:30px 26px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  box-shadow:var(--shadow);
}
.rhythm-item{display:flex;gap:14px;align-items:flex-start;}
.rhythm-item i{
  font-size:20px;color:var(--accent);
  width:40px;height:40px;flex:0 0 40px;
  display:grid;place-items:center;
  background:var(--accent-soft);border-radius:12px;
}
.rhythm-item b{display:block;font-size:15px;margin-bottom:4px;color:var(--brand);}
.rhythm-item span{font-size:13px;color:var(--muted);line-height:1.7;display:block;}
@media (max-width:991.98px){.rhythm{grid-template-columns:1fr;padding:24px 20px;}}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:none;
}
.accordion-button{
  position:relative;
  background:var(--surface);
  color:var(--ink);
  font-size:16px;font-weight:600;
  padding:18px 56px 18px 20px;
  box-shadow:none;
  border-radius:12px;
}
.accordion-button::after{display:none;}
.accordion-button:not(.collapsed){
  background:var(--accent-soft);
  color:var(--brand);
  box-shadow:inset 3px 0 0 var(--accent);
}
.accordion-button:focus{box-shadow:inset 3px 0 0 var(--accent),0 0 0 2px var(--accent);border-color:var(--accent);}
.faq-icon{
  position:absolute;right:20px;top:50%;
  transform:translateY(-50%);
  font-size:20px;line-height:1;color:var(--accent);
  transition:transform .2s ease;
}
.accordion-button:not(.collapsed) .faq-icon{transform:translateY(-50%) rotate(45deg);}
.accordion-body{
  font-size:15px;line-height:1.9;color:var(--muted);
  padding:4px 20px 20px;
  background:var(--surface);
}

/* ---------- CTA ---------- */
.cta-block{
  margin-top:88px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 62%);
  border-radius:20px;
  padding:48px;
  color:var(--surface);
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
}
.cta-block h2{color:var(--surface);margin-bottom:10px;font-size:clamp(22px,2.6vw,30px);}
.cta-block p{color:rgba(255,253,247,.78);font-size:15px;line-height:1.85;max-width:46ch;}
.cta-block .btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:12px 26px;
  background:var(--accent);color:#FFF9F2;
  border:none;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.cta-block .btn-accent:hover,.cta-block .btn-accent:focus-visible{
  background:#E06E24;color:#FFF9F2;transform:translateY(-1px);
  box-shadow:0 14px 28px -16px rgba(0,0,0,.55);
}
@media (max-width:767.98px){
  .cta-block{padding:30px 22px;margin-top:64px;}
  .cta-block .btn-accent{width:100%;}
}

/* ---------- footer ---------- */
.site-footer{
  margin-top:96px;
  background:var(--brand-deep);
  color:rgba(255,253,247,.82);
  border-top:1px solid rgba(255,253,247,.12);
  padding:56px 0 24px;
}
.foot-top{position:relative;}
.site-footer .row{row-gap:28px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand .brand-mark{background:transparent;color:var(--surface);border-color:var(--accent);}
.foot-brand b{color:var(--surface);font-size:16px;}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(255,253,247,.72);}
.foot-meta{display:flex;flex-direction:column;gap:4px;margin-top:14px;font-size:13px;color:rgba(255,253,247,.6);}
.foot-title{font-size:14px;font-weight:600;color:var(--surface);margin-bottom:14px;letter-spacing:.04em;}
.site-footer ul{display:flex;flex-direction:column;gap:9px;}
.site-footer ul a{font-size:14px;color:rgba(255,253,247,.75);border-bottom:1px solid transparent;}
.site-footer ul a:hover,.site-footer ul a:focus-visible{color:var(--surface);border-bottom-color:var(--accent);}
.foot-bottom{
  margin-top:38px;padding-top:18px;
  border-top:1px solid rgba(255,253,247,.12);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,253,247,.7);
}
@media (max-width:575.98px){
  .site-footer{padding:40px 0 20px;margin-top:64px;}
  .foot-bottom{flex-direction:column;gap:6px;}
}

/* ---------- misc ---------- */
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
.section-tight{padding-top:56px;}
@media (max-width:991.98px){
  .section{padding-top:64px;}
  .sec-divider,.dot-row{margin-top:64px;}
}
@media (max-width:767.98px){
  .section{padding-top:52px;}
  .sec-divider,.dot-row{margin-top:52px;}
  .info-bar{margin-top:28px;}
}

/* roulang page: category3 */
:root{
  --brand:#0E3B34;
  --brand-deep:#08231E;
  --brand-2:#1C5C4E;
  --accent:#D2601A;
  --accent-soft:#F7E5D6;
  --paper:#F7F3EA;
  --surface:#FFFDF7;
  --line:#E4DBCB;
  --ink:#1B2420;
  --muted:#6B6A62;
  --radius-card:16px;
  --radius-nav:20px;
  --radius-img:14px;
  --radius-btn:10px;
  --shadow-sm:0 10px 28px -18px rgba(18,42,35,.35);
  --shadow-md:0 16px 36px -18px rgba(18,42,35,.45);
  --bs-primary:#0E3B34;
  --bs-body-bg:#F7F3EA;
  --bs-body-color:#1B2420;
  --bs-border-color:#E4DBCB;
  --bs-link-color:#0E3B34;
  --bs-link-hover-color:#D2601A;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,text-decoration-color .2s ease;}
a:hover{color:var(--accent);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding-left:1.1em;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.row{gap:24px 0;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  padding:12px 12px 0;
  transition:padding .25s ease;
}
.header-panel{
  position:relative;
  max-width:1200px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  padding:10px 16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-nav);
  box-shadow:var(--shadow-sm);
  transition:padding .25s ease,box-shadow .25s ease;
}
.site-header.is-shrink .header-panel{
  padding:6px 16px;
  box-shadow:var(--shadow-md);
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--brand);
}
.brand:hover{color:var(--brand);}
.brand-mark{
  position:relative;
  width:36px;height:36px;
  border-radius:50%;
  background:var(--brand);
  color:#FBF7EE;
  display:grid;place-items:center;
  font-size:16px;font-weight:700;
  letter-spacing:.02em;
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";
  position:absolute;
  right:3px;top:3px;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--accent);
  border:1.5px solid var(--surface);
}
.brand-name{
  font-size:16px;
  font-weight:700;
  line-height:1.2;
  letter-spacing:.01em;
  white-space:nowrap;
}

.nav-chips{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
}
.nav-chip{
  display:flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 12px;
  border:1px solid var(--line);
  border-radius:8px;
  background:transparent;
  color:var(--ink);
  transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.nav-chip i{font-size:16px;color:var(--brand-2);transition:color .2s ease;}
.nav-chip span{display:flex;flex-direction:column;line-height:1.15;}
.nav-chip b{font-size:13px;font-weight:600;letter-spacing:.01em;}
.nav-chip small{font-size:11px;color:var(--muted);font-weight:400;}
.nav-chip:hover{background:var(--accent-soft);border-color:var(--accent-soft);color:var(--brand);}
.nav-chip:hover i,.nav-chip:hover b{color:var(--brand);}
.nav-chip.active{
  border-color:var(--line);
  box-shadow:inset 0 -2px 0 var(--brand);
}
.nav-chip.active b{color:var(--brand);}
.nav-chip.active i{color:var(--accent);}
.nav-chip:active{transform:translateY(1px);}

.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}

/* ---------- Buttons ---------- */
.btn-main,.btn-ghost,.btn-accent{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:10px 20px;
  font-size:14px;
  font-weight:600;
  line-height:1.3;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main{background:var(--brand);border-color:var(--brand);color:#FCFAF3;}
.btn-main:hover{background:var(--brand-2);border-color:var(--brand-2);color:#fff;transform:translateY(-1px);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{background:transparent;border:1.5px solid var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--accent-soft);border-color:var(--brand);color:var(--brand);}
.btn-ghost:active{transform:translateY(1px);}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff;}
.btn-accent:hover{background:#b9500f;border-color:#b9500f;color:#fff;transform:translateY(-1px);}
.btn-sm{min-height:38px;padding:7px 14px;font-size:13px;}

.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border-radius:10px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--brand);
  font-size:20px;
}
.nav-toggle:hover{background:var(--accent-soft);}
.nav-toggle:active{transform:translateY(1px);}

/* ---------- Breadcrumb ---------- */
.crumbs{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  padding:28px 0 0;
  font-size:13px;
  color:var(--muted);
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--accent);}
.crumbs .sep{color:#BFB6A4;}
.crumbs .current{color:var(--brand);font-weight:600;}

/* ---------- Hero ---------- */
.page-hero{padding:36px 0 0;}
.hero-grid{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:52px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--accent);
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:20px;height:1px;
  background:var(--accent);
}
h1.page-title{
  font-size:clamp(30px,4.2vw,46px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
  color:var(--brand-deep);
  margin-bottom:18px;
}
.lede{
  font-size:17px;
  line-height:1.9;
  color:#3B4239;
  max-width:38em;
  margin-bottom:22px;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:28px;
}
.badge-soft{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--accent-soft);
  color:var(--accent);
  border-radius:999px;
  padding:6px 14px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.05em;
}
.badge-line{
  display:inline-flex;
  align-items:center;
  gap:6px;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--brand-2);
  border-radius:999px;
  padding:6px 14px;
  font-size:12px;
  font-weight:600;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

.hero-figure{position:relative;}
.hero-figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--radius-img);
  border:1px solid var(--line);
  background:var(--line);
  box-shadow:var(--shadow-sm);
}
.float-card{
  position:absolute;
  left:-24px;
  bottom:-22px;
  width:230px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--shadow-md);
  padding:16px 18px;
}
.float-card b{
  display:block;
  font-size:22px;
  font-weight:700;
  color:var(--brand);
  line-height:1.3;
  font-variant-numeric:tabular-nums;
}
.float-card span{font-size:12.5px;color:var(--muted);line-height:1.6;display:block;margin-top:2px;}

/* ---------- Section ---------- */
.section{padding:88px 0 0;}
.section-last{padding-bottom:8px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:38px;
  flex-wrap:wrap;
}
.section-title{
  position:relative;
  padding-left:16px;
  font-size:clamp(24px,2.8vw,34px);
  font-weight:700;
  line-height:1.35;
  color:var(--brand-deep);
  letter-spacing:-.01em;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:.22em;
  bottom:.22em;
  width:3px;
  border-radius:2px;
  background:var(--accent);
}
.section-sub{
  margin-top:12px;
  padding-left:16px;
  font-size:15px;
  color:var(--muted);
  max-width:46em;
}
.rule{
  height:1px;
  background:var(--line);
  border:0;
  margin:0;
}

/* ---------- Timeline ---------- */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";
  position:absolute;
  left:21px;
  top:16px;
  bottom:16px;
  width:1px;
  background:var(--line);
}
.tl-item{
  position:relative;
  padding:0 0 34px 68px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:attr(data-step);
  position:absolute;
  left:0;
  top:0;
  width:44px;height:44px;
  border-radius:50%;
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:0 0 0 6px var(--paper);
  color:var(--accent);
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  display:grid;
  place-items:center;
  z-index:1;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.tl-item:hover::before{border-color:var(--brand);background:var(--accent-soft);}
.tl-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px 26px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
  border-color:var(--brand);
}
.tl-card h3{
  font-size:19px;
  font-weight:600;
  line-height:1.5;
  color:var(--brand-deep);
  margin-bottom:10px;
}
.tl-card p{
  font-size:15px;
  line-height:1.8;
  color:#414739;
  margin-bottom:14px;
}
.tl-card p:last-child{margin-bottom:0;}
.tl-points{
  list-style:none;
  padding:0;
  margin:0 0 14px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.tl-points li{
  font-size:12px;
  font-weight:600;
  color:var(--brand-2);
  background:#F1EDE2;
  border-radius:999px;
  padding:4px 12px;
  letter-spacing:.02em;
}
.tl-meta{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
}
.tl-meta i{color:var(--accent);font-size:14px;}

/* ---------- Risk grid ---------- */
.risk-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.risk-card{
  display:flex;
  gap:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.risk-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
  border-color:var(--brand);
}
.risk-icon{
  flex:0 0 auto;
  width:46px;height:46px;
  border-radius:12px;
  background:var(--accent-soft);
  color:var(--accent);
  display:grid;place-items:center;
  font-size:20px;
}
.risk-card h3{
  font-size:18px;
  font-weight:600;
  color:var(--brand-deep);
  margin-bottom:8px;
  line-height:1.5;
}
.risk-card p{
  font-size:14.5px;
  line-height:1.8;
  color:#4A5048;
}

/* ---------- Stats strip ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  margin-top:36px;
}
.stat-item{
  background:var(--surface);
  padding:26px 20px;
  text-align:center;
}
.stat-num{
  font-size:30px;
  font-weight:700;
  color:var(--brand);
  line-height:1.25;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.stat-label{
  font-size:13px;
  color:var(--muted);
  margin-top:6px;
  line-height:1.6;
}

/* ---------- Split ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:52px;
  align-items:center;
}
.split-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--radius-img);
  border:1px solid var(--line);
  background:var(--line);
  box-shadow:var(--shadow-sm);
}
.split-body h2{
  font-size:clamp(22px,2.4vw,30px);
  font-weight:700;
  line-height:1.4;
  color:var(--brand-deep);
  margin-bottom:16px;
}
.split-body p{
  font-size:16px;
  line-height:1.9;
  color:#3B4239;
  margin-bottom:16px;
}
.check-list{
  list-style:none;
  padding:0;
  margin:0 0 24px;
}
.check-list li{
  position:relative;
  padding-left:28px;
  font-size:15px;
  line-height:1.85;
  color:#3B4239;
  margin-bottom:10px;
}
.check-list li::before{
  content:"\F26E";
  font-family:"bootstrap-icons";
  position:absolute;
  left:0;top:2px;
  color:var(--accent);
  font-size:15px;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:840px;}
.faq .accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.faq .accordion-button{
  background:transparent;
  color:var(--ink);
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  padding:18px 22px;
  box-shadow:none;
  transition:color .2s ease,background .2s ease;
}
.faq .accordion-button:hover{color:var(--brand);background:#FBF7EE;}
.faq .accordion-button:not(.collapsed){
  color:var(--brand);
  background:var(--surface);
  box-shadow:inset 3px 0 0 var(--accent);
}
.faq .accordion-button:focus{
  box-shadow:inset 0 0 0 2px var(--accent);
  outline:none;
}
.faq .accordion-button::after{
  width:16px;height:16px;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 2v12M2 8h12' stroke='%230E3B34' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-size:16px 16px;
  transition:transform .25s ease;
}
.faq .accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 2v12M2 8h12' stroke='%23D2601A' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
}
.faq .accordion-body{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.9;
  color:#434940;
}

/* ---------- CTA block ---------- */
.cta-block{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 58%);
  border-radius:20px;
  padding:48px;
  color:#FBF7EE;
  box-shadow:var(--shadow-md);
}
.cta-block h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  line-height:1.4;
  color:#FCFAF3;
  margin-bottom:12px;
}
.cta-block p{
  font-size:15px;
  line-height:1.85;
  color:rgba(251,247,238,.8);
  max-width:34em;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}
.cta-block .btn-ghost{
  border-color:rgba(251,247,238,.55);
  color:#FBF7EE;
}
.cta-block .btn-ghost:hover{
  background:rgba(251,247,238,.12);
  border-color:rgba(251,247,238,.85);
  color:#fff;
}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:96px;
  background:var(--brand);
  color:rgba(251,247,238,.86);
  padding-top:64px;
  border-top:1px solid rgba(255,255,255,.08);
}
.foot-top{padding-bottom:8px;}
.foot-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
  font-size:17px;
  font-weight:700;
  color:#FCFAF3;
}
.foot-brand .brand-mark{
  background:rgba(255,255,255,.1);
  color:#FCFAF3;
}
.foot-brand .brand-mark::after{border-color:var(--brand);}
.site-footer p{
  font-size:14px;
  line-height:1.85;
  color:rgba(251,247,238,.72);
  margin-bottom:12px;
  max-width:34em;
}
.foot-meta{
  display:flex;
  flex-direction:column;
  gap:6px;
  font-size:13px;
  color:rgba(251,247,238,.58);
}
.foot-title{
  font-size:13px;
  font-weight:600;
  letter-spacing:.14em;
  color:rgba(251,247,238,.5);
  margin-bottom:16px;
}
.site-footer ul{list-style:none;padding:0;margin:0;}
.site-footer li{margin-bottom:10px;}
.site-footer ul a{
  font-size:14px;
  color:rgba(251,247,238,.8);
  transition:color .2s ease;
}
.site-footer ul a:hover{
  color:#fff;
  text-decoration:underline;
  text-decoration-color:var(--accent);
  text-underline-offset:4px;
}
.foot-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  margin-top:40px;
  padding:20px 0 26px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(251,247,238,.58);
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .nav-chip small{display:none;}
  .nav-chip{height:44px;padding:0 10px;}
  .hero-grid{gap:40px;}
  .split{gap:40px;}
}

@media (max-width:991px){
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-main{display:none;}
  .nav-chips{
    position:absolute;
    left:0;right:0;
    top:100%;
    margin-top:8px;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:10px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:16px;
    box-shadow:var(--shadow-md);
    display:none;
    max-height:70vh;
    overflow-y:auto;
  }
  .nav-chips.is-open{display:flex;}
  .nav-chip{width:100%;height:52px;}
  .nav-chip small{display:block;}
  .nav-chip.active{box-shadow:inset 3px 0 0 var(--brand);}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .float-card{left:16px;bottom:-18px;}
  .section{padding-top:64px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-block{flex-direction:column;align-items:flex-start;padding:38px 30px;}
  .site-footer{margin-top:72px;padding-top:52px;}
}

@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px;}
  .site-header{padding:10px 10px 0;}
  .header-panel{padding:8px 12px;border-radius:16px;gap:10px;}
  .brand-name{font-size:14px;white-space:normal;line-height:1.25;max-width:11em;}
  .brand-mark{width:32px;height:32px;font-size:14px;}
  h1.page-title{font-size:30px;}
  .lede{font-size:16px;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .float-card{position:static;width:100%;margin-top:16px;left:auto;bottom:auto;}
  .risk-grid{grid-template-columns:1fr;}
  .timeline::before{left:17px;}
  .tl-item{padding-left:56px;padding-bottom:26px;}
  .tl-item::before{width:36px;height:36px;font-size:12px;box-shadow:0 0 0 5px var(--paper);}
  .tl-card{padding:20px;}
  .section{padding-top:52px;}
  .section-head{gap:16px;}
  .stat-strip{grid-template-columns:1fr;margin-top:28px;}
  .stat-item{padding:20px;}
  .cta-block{padding:30px 22px;border-radius:16px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-accent,.cta-actions .btn-ghost{width:100%;}
  .foot-bottom{flex-direction:column;gap:8px;}
  .faq .accordion-button{font-size:15px;padding:16px 18px;}
  .faq .accordion-body{padding:0 18px 18px;}
}

@media (max-width:520px){
  .hero-badges{gap:8px;}
  .badge-soft,.badge-line{font-size:11.5px;padding:5px 11px;}
  .risk-card{flex-direction:column;gap:14px;padding:22px;}
  .split-body h2{font-size:22px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category4 */
:root{
  --brand:#0E3B34;
  --brand-deep:#08231E;
  --brand-2:#1C5C4E;
  --accent:#D2601A;
  --accent-soft:#F7E5D6;
  --paper:#F7F3EA;
  --surface:#FFFDF7;
  --line:#E4DBCB;
  --ink:#1B2420;
  --muted:#6B6A62;
  --err:#B3261E;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:10px;
  --shadow:0 10px 28px -18px rgba(18,42,35,.35);
  --shadow-hover:0 16px 36px -18px rgba(18,42,35,.45);
  --bs-body-bg:var(--paper);
  --bs-body-color:var(--ink);
  --bs-border-color:var(--line);
  --bs-primary:var(--brand);
  --bs-link-color:var(--brand);
  --bs-link-hover-color:var(--accent);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,text-decoration-color .18s ease}
a:hover{color:var(--accent)}
a:focus-visible,button:focus-visible,input:focus-visible,.nav-chip:focus-visible,.toc a:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{color:var(--ink);letter-spacing:-.01em;margin:0}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.25em}
li{line-height:1.85}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
.section{padding:88px 0}
.section-tight{padding:56px 0}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:12px;
  background:linear-gradient(180deg,rgba(247,243,234,.96) 60%,rgba(247,243,234,.72) 100%);
  backdrop-filter:blur(6px);
}
.nav-shell{
  max-width:1200px;
  margin:0 auto;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--shadow);
  display:flex;
  align-items:center;
  gap:14px;
  padding:10px 14px;
  transition:padding .22s ease, box-shadow .22s ease, min-height .22s ease;
}
.site-header.is-scrolled .nav-shell{
  padding:7px 14px;
  box-shadow:0 14px 32px -16px rgba(18,42,35,.5);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  padding:4px 6px;
  border-radius:12px;
}
.brand-mark{
  width:36px;height:36px;
  border-radius:50%;
  background:var(--brand);
  color:var(--surface);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:17px;
  box-shadow:inset 0 0 0 3px rgba(210,96,26,.28);
}
.brand-name{font-weight:700;font-size:16px;color:var(--brand);letter-spacing:.01em;white-space:nowrap}
.brand:hover .brand-name{color:var(--accent)}

.nav-chips{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1 1 auto;
  justify-content:center;
  flex-wrap:nowrap;
  margin:0;
  padding:0;
  list-style:none;
}
.nav-chip{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:5px 10px;
  border:1px solid var(--line);
  border-radius:8px;
  background:var(--surface);
  color:var(--ink);
  transition:background .18s ease,border-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.nav-chip i{font-size:16px;color:var(--brand);transition:color .18s ease}
.nav-chip span{display:flex;flex-direction:column;line-height:1.2}
.nav-chip b{font-size:13.5px;font-weight:600;color:var(--ink)}
.nav-chip small{font-size:11px;color:var(--muted);letter-spacing:.02em}
.nav-chip:hover,.nav-chip:focus-visible{
  background:var(--accent-soft);
  border-color:#EBCBB0;
  transform:translateY(-1px);
  box-shadow:var(--shadow);
}
.nav-chip:hover b,.nav-chip:hover i,.nav-chip:focus-visible b,.nav-chip:focus-visible i{color:var(--brand)}
.nav-chip.active{
  border-color:var(--brand);
  box-shadow:inset 0 -2px 0 0 var(--brand);
  background:var(--surface);
}
.nav-chip.active b{color:var(--brand)}

.nav-cta{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:44px;
  padding:0 16px;
  border-radius:var(--radius-btn);
  background:var(--brand);
  color:#FFFDF7;
  font-size:14px;
  font-weight:600;
  border:1px solid var(--brand);
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.nav-cta:hover{background:var(--brand-2);color:#FFFDF7;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  background:var(--surface);
  border-radius:10px;
  color:var(--brand);
  font-size:20px;
  flex:0 0 auto;
}
.nav-toggle:hover{background:var(--accent-soft)}

/* ---------- Buttons / badges ---------- */
.btn-brand,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  cursor:pointer;
}
.btn-brand{background:var(--brand);color:#FFFDF7;border:1px solid var(--brand)}
.btn-brand:hover{background:var(--brand-2);border-color:var(--brand-2);color:#FFFDF7;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-brand:active{transform:translateY(0);background:var(--brand-deep)}
.btn-ghost{background:transparent;color:var(--brand);border:1.5px solid var(--brand)}
.btn-ghost:hover{background:var(--accent-soft);border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.badge-soft{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  background:var(--accent-soft);
  color:var(--accent);
  font-size:12px;
  font-weight:600;
  letter-spacing:.05em;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--accent);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:20px;height:1px;background:var(--accent);display:inline-block}

/* ---------- Breadcrumb ---------- */
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);padding:22px 0 0;flex-wrap:wrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--accent)}
.crumb span.dot{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block}
.crumb .current{color:var(--brand);font-weight:600}

/* ---------- Page head ---------- */
.page-head{padding:26px 0 56px}
.page-head-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;align-items:center}
.page-head h1{
  font-size:clamp(30px,4.2vw,44px);
  font-weight:700;
  line-height:1.25;
  color:var(--brand);
  margin-bottom:16px;
}
.page-head p.lead{
  font-size:16.5px;
  line-height:1.9;
  color:var(--ink);
  max-width:36em;
  margin-bottom:22px;
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--surface);
  font-size:13px;
  color:var(--brand);
  font-weight:500;
}
.chip i{color:var(--accent);font-size:14px}
.head-visual{position:relative}
.head-visual img{
  width:100%;
  aspect-ratio:4/3;
  border-radius:var(--radius-img);
  background:var(--line);
  box-shadow:var(--shadow);
}
.head-note{
  position:absolute;
  left:-24px;
  bottom:-18px;
  width:220px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--shadow-hover);
  padding:14px 16px;
}
.head-note .num{font-size:22px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.head-note .txt{font-size:12.5px;color:var(--muted);line-height:1.6}

/* ---------- Category layout ---------- */
.cat-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;align-items:start}
.toc-wrap{position:sticky;top:96px}
.toc-title{
  font-size:12.5px;font-weight:600;letter-spacing:.14em;color:var(--muted);
  margin-bottom:12px;text-transform:uppercase;
}
.toc{
  list-style:none;
  margin:0;padding:0;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--surface);
  box-shadow:var(--shadow);
  padding:12px;
}
.toc li{margin:0}
.toc a{
  display:flex;
  gap:10px;
  align-items:flex-start;
  padding:9px 10px;
  border-radius:8px;
  font-size:14px;
  color:var(--ink);
  line-height:1.5;
  transition:background .18s ease,color .18s ease;
}
.toc a b{font-size:11.5px;color:var(--accent);font-weight:700;min-width:18px;font-variant-numeric:tabular-nums}
.toc a:hover{background:var(--accent-soft);color:var(--brand)}
.toc a.active{background:var(--accent-soft);color:var(--brand);font-weight:600}
.toc-extra{
  margin-top:14px;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--surface);
  padding:16px;
}
.toc-extra p{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:10px}
.toc-extra a{font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.toc-extra a:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;text-decoration-color:var(--accent)}

.longform{min-width:0}
.longform section{
  scroll-margin-top:104px;
  padding-bottom:38px;
  margin-bottom:38px;
  border-bottom:1px solid var(--line);
}
.longform section:last-of-type{border-bottom:0;margin-bottom:0;padding-bottom:0}
.longform h2{
  font-size:clamp(23px,2.6vw,30px);
  font-weight:700;
  line-height:1.4;
  color:var(--brand);
  padding-left:14px;
  border-left:3px solid var(--accent);
  margin-bottom:18px;
}
.longform h3{
  font-size:19px;
  font-weight:600;
  color:var(--ink);
  margin:26px 0 10px;
}
.longform p{max-width:40em;color:var(--ink)}
.longform .muted{color:var(--muted);font-size:14px}
.prose-list{padding-left:0;list-style:none}
.prose-list li{
  position:relative;
  padding-left:20px;
  margin-bottom:10px;
  max-width:40em;
}
.prose-list li::before{
  content:"";
  position:absolute;
  left:2px;top:.72em;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--accent);
  opacity:.85;
}
.step-list{counter-reset:step;list-style:none;padding-left:0}
.step-list li{
  counter-increment:step;
  position:relative;
  padding-left:44px;
  margin-bottom:16px;
  max-width:40em;
}
.step-list li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:2px;
  width:30px;height:30px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--accent);
  font-size:12.5px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.note-card{
  border:1px solid var(--line);
  border-left:3px solid var(--accent);
  border-radius:12px;
  background:var(--surface);
  padding:18px 20px;
  margin:22px 0;
}
.note-card p{margin-bottom:0;font-size:15px;color:var(--muted);line-height:1.8;max-width:40em}
.note-card strong{color:var(--brand)}

.mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:22px 0 6px}
.mini-card{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--surface);
  padding:20px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.mini-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brand)}
.mini-card .mc-ico{
  width:34px;height:34px;border-radius:10px;
  background:var(--accent-soft);
  color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;margin-bottom:12px;
}
.mini-card h3{font-size:16.5px;margin:0 0 6px;color:var(--ink)}
.mini-card p{font-size:14px;color:var(--muted);line-height:1.75;margin:0;max-width:none}

.data-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  margin:24px 0 8px;
}
.data-strip div{background:var(--surface);padding:18px 16px}
.data-strip .v{font-size:24px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2;margin-bottom:4px}
.data-strip .k{font-size:12.5px;color:var(--muted);line-height:1.6}

/* ---------- FAQ ---------- */
.faq-block{margin-top:56px}
.faq-block h2{
  font-size:clamp(23px,2.6vw,30px);
  font-weight:700;color:var(--brand);
  padding-left:14px;border-left:3px solid var(--accent);
  margin-bottom:22px;
}
.accordion-item{
  border:1px solid var(--line);
  border-radius:12px !important;
  background:var(--surface);
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.accordion-item:hover{border-color:#D8C9B2;box-shadow:var(--shadow)}
.accordion-button{
  background:var(--surface);
  color:var(--ink);
  font-size:16px;
  font-weight:600;
  padding:18px 20px;
  box-shadow:none !important;
  border-radius:12px !important;
  gap:14px;
}
.accordion-button::after{display:none}
.accordion-button .plus{
  margin-left:auto;
  width:22px;height:22px;
  flex:0 0 auto;
  position:relative;
  transition:transform .22s ease;
}
.accordion-button .plus::before,
.accordion-button .plus::after{
  content:"";
  position:absolute;
  background:var(--brand);
  border-radius:2px;
}
.accordion-button .plus::before{left:0;top:10px;width:22px;height:2px}
.accordion-button .plus::after{top:0;left:10px;height:22px;width:2px;transition:opacity .22s ease}
.accordion-button:not(.collapsed){
  color:var(--brand);
  background:var(--surface);
  box-shadow:inset 3px 0 0 0 var(--accent) !important;
}
.accordion-button:not(.collapsed) .plus{transform:rotate(45deg)}
.accordion-button:not(.collapsed) .plus::before,
.accordion-button:not(.collapsed) .plus::after{background:var(--accent)}
.accordion-button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.accordion-body{
  padding:0 20px 20px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--muted);
}
.accordion-body p{margin-bottom:.7em}
.accordion-body p:last-child{margin-bottom:0}

/* ---------- CTA ---------- */
.cta-block{
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 62%);
  border-radius:20px;
  padding:48px;
  color:#FFFDF7;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  box-shadow:var(--shadow-hover);
}
.cta-block h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  color:#FFFDF7;
  margin-bottom:10px;
  line-height:1.4;
}
.cta-block p{color:rgba(255,253,247,.78);font-size:15px;margin:0;max-width:34em}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;
  border-radius:var(--radius-btn);
  background:var(--accent);
  color:#FFFDF7;
  border:1px solid var(--accent);
  font-weight:600;font-size:15px;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-accent:hover{background:#B9520F;color:#FFFDF7;transform:translateY(-1px);box-shadow:0 14px 28px -16px rgba(0,0,0,.6)}
.btn-accent:active{transform:translateY(0)}
.btn-line-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;
  border-radius:var(--radius-btn);
  background:transparent;
  color:#FFFDF7;
  border:1.5px solid rgba(255,253,247,.45);
  font-weight:600;font-size:15px;
  transition:background .18s ease,border-color .18s ease,transform .18s ease;
}
.btn-line-light:hover{background:rgba(255,253,247,.12);border-color:#FFFDF7;color:#FFFDF7;transform:translateY(-1px)}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:88px;
  background:var(--brand-deep);
  color:rgba(247,243,234,.82);
  border-top:1px solid rgba(247,243,234,.14);
  padding:64px 0 0;
}
.foot-top{padding-bottom:40px}
.site-footer .foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.site-footer .foot-brand .brand-mark{background:var(--accent);box-shadow:inset 0 0 0 3px rgba(255,253,247,.22)}
.site-footer .foot-brand b{color:#FFFDF7;font-size:16px;letter-spacing:.01em}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(247,243,234,.72);margin-bottom:12px}
.foot-meta{display:flex;flex-direction:column;gap:4px;font-size:13px;color:rgba(247,243,234,.6)}
.foot-title{
  font-size:13px;font-weight:600;letter-spacing:.12em;
  color:#FFFDF7;margin-bottom:14px;
}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer ul li{margin-bottom:9px}
.site-footer ul a{
  font-size:14px;
  color:rgba(247,243,234,.75);
  transition:color .18s ease,padding-left .18s ease;
}
.site-footer ul a:hover{color:var(--accent-soft);padding-left:3px}
.foot-bottom{
  border-top:1px solid rgba(247,243,234,.14);
  padding:20px 0 26px;
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(247,243,234,.6);
}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .nav-chips{justify-content:flex-start}
  .nav-chip small{display:none}
  .cat-layout{grid-template-columns:220px minmax(0,1fr);gap:34px}
  .page-head-grid{grid-template-columns:minmax(0,1fr) 300px;gap:34px}
}
@media (max-width:991.98px){
  .site-header{padding:10px}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-cta{display:none}
  .nav-shell{position:relative;flex-wrap:wrap;row-gap:10px}
  .nav-chips{
    display:none;
    flex-direction:column;
    align-items:stretch;
    width:100%;
    gap:8px;
    padding:8px 0 4px;
    border-top:1px solid var(--line);
    margin-top:4px;
  }
  .nav-chips.open{display:flex}
  .nav-chip{width:100%;justify-content:flex-start}
  .nav-chip small{display:block}
  .page-head-grid{grid-template-columns:1fr;gap:32px}
  .head-visual{max-width:520px}
  .head-note{left:auto;right:12px;bottom:-16px}
  .cat-layout{grid-template-columns:1fr;gap:28px}
  .toc-wrap{position:static}
  .toc{display:flex;flex-wrap:wrap;gap:6px;padding:10px}
  .toc li{flex:1 1 auto}
  .toc a{padding:8px 10px;font-size:13.5px}
  .toc-extra{display:none}
  .section{padding:64px 0}
  .mini-grid{grid-template-columns:1fr}
  .data-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-block{padding:34px}
  .site-footer{margin-top:64px;padding-top:48px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .container{padding-left:20px;padding-right:20px}
  .brand-name{font-size:15px}
  .section{padding:52px 0}
  .page-head{padding:18px 0 40px}
  .page-head h1{font-size:30px}
  .page-head p.lead{font-size:15.5px}
  .longform h2{font-size:22px}
  .longform section{padding-bottom:30px;margin-bottom:30px}
  .cta-block{padding:26px;border-radius:16px}
  .cta-actions{width:100%}
  .cta-actions .btn-accent,.cta-actions .btn-line-light{width:100%}
  .data-strip{grid-template-columns:1fr}
  .head-note{position:static;width:100%;margin-top:14px;left:0}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519.98px){
  .chip{font-size:12.5px;padding:5px 11px}
  .accordion-button{font-size:15px;padding:16px}
  .accordion-body{padding:0 16px 16px}
}