/* roulang page: index */
:root{
  --ink:#17211F;
  --ink-2:#5E625C;
  --paper:#F6F1E7;
  --card:#FFFDF8;
  --line:#D8D0C2;
  --soft:#EFE7D8;
  --primary:#1F4D46;
  --primary-dark:#163B36;
  --accent:#C96F4A;
  --accent-soft:#E8B49E;
  --danger:#B4472F;
  --success:#2F6B4F;
  --r-lg:6px;
  --r-md:4px;
  --r-xs:2px;
  --shadow:0 12px 30px rgba(23,33,31,.06);
  --shadow-hover:0 18px 40px rgba(23,33,31,.10);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
  --space:96px;
}
*,*::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:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  font-feature-settings:"kern" 1;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--accent)}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;letter-spacing:.01em;color:var(--ink);margin:0}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
:focus-visible{outline:3px solid rgba(201,111,74,.45);outline-offset:3px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.muted{color:var(--ink-2)}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(23,33,31,.09)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:28px;height:72px}
.logo{display:flex;align-items:center;gap:12px;color:var(--ink)}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;display:grid;place-items:center;
  border:1px solid var(--primary);border-radius:var(--r-xs);
  color:var(--primary);font-family:var(--serif);font-size:19px;font-weight:700;
  background:var(--card);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-family:var(--serif);font-size:19px;font-weight:700;letter-spacing:.01em}
.logo-text em{font-style:normal;font-size:11px;letter-spacing:.2em;color:var(--accent);margin-top:3px}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-item{position:relative}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  min-height:44px;padding:0 14px;
  color:var(--ink);font-size:15px;font-weight:500;
  border-radius:var(--r-md);position:relative;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:8px;height:1px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover::after,.nav-link:focus-visible::after,.nav-item.is-active .nav-link::after{transform:scaleX(1)}
.nav-item.is-active .nav-link{color:var(--primary);font-weight:700}
.nav-link .caret{width:8px;height:8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-1px);transition:transform .24s var(--ease)}
.mega-parent:hover .caret,.mega-parent:focus-within .caret{transform:rotate(225deg) translateY(-1px)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:14px}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);border-radius:var(--r-md);cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* mega */
.mega{
  position:absolute;top:calc(100% + 12px);left:-140px;width:780px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);
  padding:26px;display:grid;grid-template-columns:1fr .9fr 1fr;gap:26px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
}
.mega-parent:hover .mega,.mega-parent:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega h4{font-size:13px;letter-spacing:.16em;color:var(--accent);font-family:var(--sans);font-weight:700;margin-bottom:14px}
.mega-links li{margin-bottom:2px}
.mega-links a{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:38px;padding:0 8px;border-radius:var(--r-md);font-size:14.5px;color:var(--ink)}
.mega-links a:hover{background:var(--soft);color:var(--primary)}
.mega-links a span{font-size:12px;color:var(--ink-2)}
.mega-list li{border-bottom:1px solid var(--line);padding:10px 0}
.mega-list li:last-child{border-bottom:0}
.mega-list a{font-size:14.5px;color:var(--ink);line-height:1.6}
.mega-list a:hover{color:var(--accent)}
.mega-list time{display:block;font-size:12px;color:var(--ink-2);letter-spacing:.04em;margin-bottom:2px}
.mega-card{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--paper)}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.mega-card-body{padding:14px}
.mega-card-body strong{display:block;font-family:var(--serif);font-size:16px;margin-bottom:6px}
.mega-card-body p{font-size:13px;color:var(--ink-2);line-height:1.7;margin-bottom:8px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .16s var(--ease),box-shadow .2s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary);color:#FFFDF8;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#FFFDF8;box-shadow:var(--shadow)}
.btn-primary .arw{transition:transform .2s var(--ease)}
.btn-primary:hover .arw{transform:translateX(3px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--soft);color:var(--ink);border-color:var(--ink-2)}
.btn-light{background:#FFFDF8;color:var(--primary);border-color:#FFFDF8}
.btn-light:hover{background:var(--soft);color:var(--primary-dark);border-color:var(--soft)}
.btn-outline-light{background:transparent;color:#F6F1E7;border-color:rgba(246,241,231,.55)}
.btn-outline-light:hover{background:rgba(246,241,231,.12);color:#FFFDF8;border-color:#FFFDF8}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.arw{width:14px;height:14px;flex:0 0 14px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--primary);
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
  transition:color .2s var(--ease),text-decoration-thickness .2s var(--ease);
}
.link-arrow:hover{color:var(--accent);text-decoration-thickness:2px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:76px 0 84px;background:var(--paper)}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(216,208,194,.45) 1px,transparent 1px),linear-gradient(to bottom,rgba(216,208,194,.45) 1px,transparent 1px);
  background-size:64px 64px;opacity:.35;
}
.hero .wrap{position:relative;z-index:1}
.hero-row{align-items:center;margin-left:-12px;margin-right:-12px}
.hero-row .columns{padding-left:12px;padding-right:12px;float:none}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.26em;color:var(--accent);font-weight:700;margin-bottom:20px}
.eyebrow .dot{width:7px;height:7px;background:var(--accent);border-radius:1px;display:inline-block}
h1.hero-title{
  font-size:clamp(40px,4.4vw,64px);line-height:1.18;letter-spacing:.01em;
  margin-bottom:22px;max-width:14em;
}
h1.hero-title em{font-style:normal;color:var(--primary);position:relative}
.hero-sub{font-size:17px;line-height:1.9;color:var(--ink-2);max-width:34em;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.trust-bar{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line);padding-top:20px}
.trust-bar li{flex:1 1 0;min-width:140px;padding:0 18px;border-left:1px solid var(--line);font-size:13.5px;color:var(--ink-2);line-height:1.6}
.trust-bar li:first-child{border-left:0;padding-left:0}
.trust-bar strong{display:block;color:var(--ink);font-size:14.5px;font-weight:700;margin-bottom:2px}
.hero-visual{position:relative}
.hero-figure{position:relative;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--card);box-shadow:var(--shadow)}
.hero-figure img{width:100%;aspect-ratio:1/1;object-fit:cover;transition:transform .4s var(--ease)}
.hero-figure:hover img{transform:scale(1.03)}
.hero-note{
  position:absolute;right:-10px;bottom:-22px;width:250px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px 18px;box-shadow:var(--shadow);display:flex;gap:12px;align-items:flex-start;
}
.hero-note .note-index{font-family:var(--serif);font-size:22px;color:var(--accent);line-height:1;font-variant-numeric:tabular-nums}
.hero-note p{font-size:13px;line-height:1.7;color:var(--ink-2);margin:0}

/* ---------- sections ---------- */
.section{padding:var(--space) 0}
.section-alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.kicker{font-size:12px;letter-spacing:.22em;color:var(--accent);font-weight:700;margin-bottom:16px}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:clamp(28px,3vw,38px);line-height:1.28;margin-bottom:14px}
.section-head p{color:var(--ink-2);font-size:16px}
.split{display:grid;grid-template-columns:322px 1fr;gap:52px;align-items:start}
.split-aside{position:sticky;top:96px}
.split-aside h2{font-size:clamp(26px,2.6vw,34px);line-height:1.3;margin-bottom:16px}
.split-aside p{font-size:15px;color:var(--ink-2);margin-bottom:18px}

/* feature grid */
.feature-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.feature-item{background:var(--card);padding:30px 26px;transition:background .2s var(--ease)}
.feature-item:hover{background:#FBF6EC}
.feature-large{grid-column:span 6;display:grid;grid-template-columns:150px 1fr;gap:28px;align-items:center}
.feature-sm{grid-column:span 2}
.feature-no{font-family:var(--serif);font-size:34px;color:var(--accent-soft);line-height:1;font-variant-numeric:tabular-nums;transition:transform .24s var(--ease),color .24s var(--ease)}
.feature-item:hover .feature-no{color:var(--accent);transform:translateY(-3px)}
.feature-item h3{font-size:21px;margin:12px 0 10px}
.feature-large h3{font-size:24px;margin-top:0}
.feature-item p{font-size:14.5px;line-height:1.8;color:var(--ink-2);margin-bottom:14px}
.feature-large .feature-no{font-size:52px;align-self:start}

/* scenes */
.scene-index{display:flex;gap:10px;margin-top:24px}
.scene-index span{font-family:var(--serif);font-size:13px;color:var(--ink-2);border:1px solid var(--line);border-radius:var(--r-xs);padding:4px 9px;font-variant-numeric:tabular-nums}
.scene-row{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;padding:42px 0;border-top:1px solid var(--line)}
.scene-row:first-child{border-top:0;padding-top:0}
.scene-row:last-child{padding-bottom:0}
.scene-media{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--paper)}
.scene-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s var(--ease)}
.scene-media:hover img{transform:scale(1.03)}
.scene-body .scene-no{font-family:var(--serif);font-size:13px;letter-spacing:.2em;color:var(--accent);font-variant-numeric:tabular-nums}
.scene-body h3{font-size:23px;margin:10px 0 12px}
.scene-body p{font-size:15px;color:var(--ink-2);margin-bottom:14px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.tag{
  display:inline-flex;align-items:center;font-size:12.5px;line-height:1;
  padding:6px 10px;border:1px solid var(--line);border-radius:var(--r-xs);
  color:var(--primary);background:var(--card);
}
.tag-accent{color:var(--accent);border-color:var(--accent-soft)}
.scene-row.reverse .scene-media{order:2}

/* cases */
.case-grid{display:grid;grid-template-columns:1.22fr .92fr;gap:32px;align-items:start}
.case-main{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--card);box-shadow:var(--shadow);transition:box-shadow .24s var(--ease),transform .24s var(--ease)}
.case-main:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.case-main img{width:100%;aspect-ratio:16/10;object-fit:cover}
.case-main-body{padding:26px}
.case-main-body h3{font-size:23px;margin-bottom:10px}
.case-main-body p{font-size:15px;color:var(--ink-2);margin-bottom:16px}
.case-quote{border-left:3px solid var(--accent);padding:8px 0 8px 16px;font-size:14.5px;color:var(--ink);background:linear-gradient(to right,rgba(201,111,74,.07),transparent 70%)}
.case-side{display:grid;gap:20px}
.case-row{display:grid;grid-template-columns:104px 1fr;gap:16px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--card);padding:16px;transition:background .2s var(--ease),border-color .2s var(--ease)}
.case-row:hover{background:#FBF6EC;border-color:var(--ink-2)}
.case-row img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:var(--r-md)}
.case-row h4{font-family:var(--serif);font-size:17px;margin-bottom:6px}
.case-row p{font-size:13.5px;color:var(--ink-2);margin-bottom:10px;line-height:1.7}
.metric-row{display:flex;gap:8px;flex-wrap:wrap}
.metric{
  border:1px dashed var(--line);border-radius:var(--r-xs);
  padding:6px 10px;font-size:12px;color:var(--ink-2);line-height:1.4;
  font-variant-numeric:tabular-nums;background:var(--paper);
}
.metric b{display:block;font-size:14px;color:var(--primary);font-weight:700}

/* price */
.price-grid{display:grid;grid-template-columns:1.38fr 1fr;gap:28px;align-items:stretch}
.price-main{
  position:relative;background:var(--primary);color:#F6F1E7;border-radius:var(--r-lg);
  padding:40px 38px;border:1px solid var(--primary-dark);overflow:hidden;
}
.price-main::after{
  content:"";position:absolute;right:-40px;top:-40px;width:180px;height:180px;
  border:1px solid rgba(246,241,231,.22);transform:rotate(45deg);
}
.price-main h3{color:#FFFDF8;font-size:27px;margin-bottom:8px}
.price-main .price-for{font-size:14px;color:rgba(246,241,231,.78);margin-bottom:22px}
.price-figure{font-family:var(--serif);font-size:34px;color:#FFFDF8;line-height:1.2;margin-bottom:6px}
.price-figure small{font-family:var(--sans);font-size:13px;color:rgba(246,241,231,.72);font-weight:400;letter-spacing:.04em}
.price-list{margin:22px 0 26px}
.price-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;line-height:1.8;color:rgba(246,241,231,.9);padding:7px 0;border-bottom:1px solid rgba(246,241,231,.14)}
.price-list li:last-child{border-bottom:0}
.price-list .tick{color:var(--accent-soft);flex:0 0 auto;margin-top:3px}
.price-side{display:grid;gap:20px}
.price-card{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--card);padding:24px;transition:box-shadow .24s var(--ease),transform .24s var(--ease)}
.price-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.price-card h4{font-family:var(--serif);font-size:19px;margin-bottom:6px}
.price-card .price-mini{font-size:14px;color:var(--accent);font-weight:700;margin-bottom:12px;font-variant-numeric:tabular-nums}
.price-card ul{margin-bottom:14px}
.price-card li{font-size:14px;color:var(--ink-2);padding:5px 0;border-bottom:1px solid var(--soft)}
.price-card li:last-child{border-bottom:0}
.price-note{font-size:12.5px;color:var(--ink-2);margin-top:18px}

/* news */
.news-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:32px;align-items:start}
.news-lead{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--card);box-shadow:var(--shadow);transition:box-shadow .24s var(--ease),transform .24s var(--ease)}
.news-lead:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.news-lead-media{display:block;overflow:hidden}
.news-lead-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease)}
.news-lead:hover .news-lead-media img{transform:scale(1.03)}
.news-lead-body{padding:24px}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:10px;font-size:12.5px;color:var(--ink-2)}
.badge{display:inline-flex;align-items:center;font-size:12px;line-height:1;padding:6px 9px;border:1px solid var(--accent-soft);border-radius:var(--r-xs);color:var(--accent);background:rgba(201,111,74,.06)}
.news-lead-body h3{font-size:22px;line-height:1.4;margin-bottom:10px}
.news-lead-body h3 a{color:var(--ink)}
.news-lead-body h3 a:hover{color:var(--accent)}
.news-lead-body p{font-size:14.5px;color:var(--ink-2);margin-bottom:14px}
.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:96px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);transition:background .2s var(--ease)}
.news-item:hover{background:#FBF6EC}
.news-thumb{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);align-self:start}
.news-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover}
.news-item h4{font-size:16.5px;line-height:1.5;margin-bottom:6px}
.news-item h4 a{color:var(--ink)}
.news-item h4 a:hover{color:var(--accent)}
.news-item p{font-size:13.5px;color:var(--ink-2);line-height:1.7;margin-bottom:0}
.news-empty{
  border:1px dashed var(--line);border-radius:var(--r-lg);padding:56px 24px;text-align:center;background:var(--card);
}
.news-empty .mark{
  width:46px;height:46px;margin:0 auto 16px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:var(--r-xs);color:var(--primary);font-family:var(--serif);font-size:20px;background:var(--paper);
}
.news-empty p{color:var(--ink-2);font-size:15px;margin-bottom:16px}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:340px 1fr;gap:52px;align-items:start}
.faq-aside{position:sticky;top:96px}
.faq-aside h2{font-size:clamp(26px,2.7vw,34px);line-height:1.3;margin-bottom:14px}
.faq-aside p{font-size:15px;color:var(--ink-2)}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 4px;font-size:16.5px;font-weight:600;color:var(--ink);
  transition:background .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--soft)}
.faq-plus{position:relative;flex:0 0 18px;width:18px;height:18px;transition:transform .24s var(--ease)}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--accent);border-radius:1px}
.faq-plus::before{left:0;top:8px;width:18px;height:1.6px}
.faq-plus::after{left:8px;top:0;width:1.6px;height:18px}
.faq-item[open] .faq-plus{transform:rotate(45deg)}
.faq-answer{padding:0 4px 22px;font-size:15px;color:var(--ink-2);line-height:1.9;max-width:64em}

/* CTA */
.cta-band{position:relative;background:var(--primary);color:#F6F1E7;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;opacity:.16;
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.3fr .9fr;gap:40px;align-items:center;padding:76px 0}
.cta-inner h2{color:#FFFDF8;font-size:clamp(26px,3vw,36px);line-height:1.3;margin-bottom:12px}
.cta-inner p{color:rgba(246,241,231,.82);font-size:15.5px;max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.cta-contact{margin-top:16px;font-size:13.5px;color:rgba(246,241,231,.72);letter-spacing:.03em}

/* footer */
.site-footer{background:var(--ink);color:#EDE7DB;padding:70px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .9fr 1fr;gap:38px;padding-bottom:46px}
.footer-brand .logo-text strong{color:#FFFDF8}
.footer-brand .logo-mark{border-color:rgba(246,241,231,.4);color:#F6F1E7;background:transparent}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(237,231,219,.7);margin-top:18px;max-width:30em}
.footer-col h4{font-family:var(--sans);font-size:13px;letter-spacing:.18em;color:var(--accent-soft);margin-bottom:16px;font-weight:700}
.footer-col li{margin-bottom:2px}
.footer-col a{display:inline-flex;min-height:34px;align-items:center;font-size:14.5px;color:rgba(237,231,219,.82)}
.footer-col a:hover{color:#FFFDF8;text-decoration:underline;text-underline-offset:4px}
.footer-contact li{font-size:14.5px;color:rgba(237,231,219,.82);padding:6px 0;line-height:1.7}
.footer-contact b{color:#FFFDF8;font-weight:600;display:block;font-size:13px;letter-spacing:.06em;margin-bottom:2px}
.footer-bottom{border-top:1px solid rgba(246,241,231,.14);padding:22px 0 26px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(237,231,219,.6)}
.footer-bottom a{color:rgba(237,231,219,.7)}
.footer-bottom a:hover{color:#FFFDF8}

/* reveal-ish */
.fade-up{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.fade-up.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .fade-up{opacity:1;transform:none}
  .hero-figure:hover img,.scene-media:hover img,.news-lead:hover .news-lead-media img{transform:none}
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  :root{--space:84px}
  .mega{width:700px;left:-180px}
  .split{grid-template-columns:280px 1fr;gap:40px}
  .faq-layout{grid-template-columns:300px 1fr;gap:40px}
}
@media (max-width:959px){
  :root{--space:72px}
  .nav-wrap{height:64px}
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:fixed;left:0;right:0;top:64px;bottom:0;
    background:var(--paper);border-top:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;
    padding:16px 20px 40px;overflow-y:auto;z-index:95;
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
  }
  .main-nav.is-open{opacity:1;visibility:visible;transform:none}
  .nav-item{border-bottom:1px solid var(--line)}
  .nav-link{width:100%;min-height:52px;padding:0 4px;justify-content:space-between;font-size:16px}
  .nav-link::after{display:none}
  .nav-cta{display:none}
  .mega{
    position:static;width:auto;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border:0;border-radius:0;background:transparent;
    grid-template-columns:1fr;gap:18px;padding:0 0 20px;
    display:none;
  }
  .mega-parent:focus-within .mega{display:grid}
  .mega h4{margin-bottom:8px}
  .mega-card{display:none}
  .hero{padding:56px 0 66px}
  .split,.faq-layout{grid-template-columns:1fr;gap:34px}
  .split-aside,.faq-aside{position:static}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .feature-large{grid-column:span 2;grid-template-columns:1fr}
  .feature-sm{grid-column:span 1}
  .scene-row{grid-template-columns:1fr;gap:22px;padding:34px 0}
  .scene-row.reverse .scene-media{order:0}
  .case-grid,.news-grid,.price-grid{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;gap:26px;padding:60px 0}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .hero-note{position:static;width:auto;margin-top:16px}
}
@media (max-width:639px){
  :root{--space:56px}
  body{font-size:16px}
  .wrap{padding:0 18px}
  h1.hero-title{font-size:clamp(30px,8vw,40px)}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .trust-bar li{flex:1 1 100%;border-left:0;padding:0 0 12px;border-bottom:1px solid var(--line);margin-bottom:12px}
  .trust-bar li:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
  .feature-grid{grid-template-columns:1fr}
  .feature-large,.feature-sm{grid-column:span 1}
  .news-item{grid-template-columns:1fr}
  .news-thumb{display:none}
  .case-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .price-main{padding:30px 22px}
  .btn{width:100%}
  .cta-actions{flex-direction:column}
}

/* roulang page: article */
:root{
  --primary:#1F4D46;
  --primary-deep:#163B36;
  --accent:#C96F4A;
  --accent-soft:#E8B49E;
  --paper:#F6F1E7;
  --card:#FFFDF8;
  --ink:#17211F;
  --muted:#5E625C;
  --line:#D8D0C2;
  --soft:#EFE7D8;
  --err:#B4472F;
  --ok:#2F6B4F;
  --radius:6px;
  --radius-sm:4px;
  --shadow:0 12px 30px rgba(23,33,31,.06);
  --shadow-hover:0 18px 40px rgba(23,33,31,.10);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--serif);
  font-weight:700;
  letter-spacing:.01em;
  color:var(--ink);
  margin:0;
  line-height:1.32;
}
p{margin:0 0 1em;}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--accent);}
img{max-width:100%;display:block;border:0;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(201,111,74,.45);outline-offset:3px;}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}
.wrap-wide{max-width:1240px;margin:0 auto;padding:0 24px;}
.read-progress{
  position:fixed;top:0;left:0;height:2px;width:0;
  background:var(--accent);z-index:999;transition:width .08s linear;
}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:900;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(23,33,31,.08);}
.nav-wrap{
  display:flex;align-items:center;gap:28px;
  height:72px;position:relative;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--ink);flex:0 0 auto;
}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary);color:#FFFDF8;
  font-family:var(--serif);font-size:19px;font-weight:700;
  border-radius:var(--radius-sm);
  letter-spacing:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text strong{
  font-family:var(--serif);font-size:18px;font-weight:700;letter-spacing:.02em;
}
.logo-text em{
  font-style:normal;font-size:11px;letter-spacing:.16em;
  color:var(--muted);text-transform:uppercase;margin-top:2px;
}
.main-nav{display:flex;align-items:center;gap:4px;flex:1 1 auto;}
.nav-item{position:relative;}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;min-height:44px;
  font-size:15px;font-weight:500;color:var(--ink);
  position:relative;transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left center;
  transition:transform .24s var(--ease);
}
.nav-link:hover::after,.nav-link:focus::after,
.nav-item.is-active .nav-link::after{transform:scaleX(1);}
.nav-link:hover{color:var(--primary);}
.nav-item.is-active .nav-link{color:var(--primary);font-weight:700;}
.caret{
  width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;
  transform:rotate(45deg) translateY(-2px);transition:transform .24s var(--ease);
}
.mega-parent:hover .caret,.mega-parent:focus-within .caret,.mega-parent.is-open .caret{
  transform:rotate(-135deg) translateY(-2px);
}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 20px;margin-left:auto;
  background:var(--primary);color:#FFFDF8;
  border:1px solid var(--primary);border-radius:var(--radius-sm);
  font-size:14px;font-weight:600;letter-spacing:.02em;
  transition:background .2s var(--ease),transform .16s var(--ease),box-shadow .2s var(--ease);
}
.nav-cta:hover{background:var(--primary-deep);color:#FFFDF8;box-shadow:var(--shadow);}
.nav-cta:active{transform:translateY(1px);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;margin-left:auto;
  background:transparent;border:1px solid var(--line);border-radius:var(--radius-sm);
  cursor:pointer;
}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--ink);position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* Mega panel */
.mega{
  position:absolute;top:calc(100% + 10px);left:-150px;
  width:780px;
  display:grid;grid-template-columns:1.15fr 1fr 1.05fr;gap:24px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-hover);
  padding:24px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
  z-index:950;
}
.mega-parent:hover .mega,
.mega-parent:focus-within .mega,
.mega-parent.is-open .mega{opacity:1;visibility:visible;transform:translateY(0);}
.mega h4{
  font-family:var(--sans);font-size:12px;font-weight:700;
  letter-spacing:.14em;color:var(--muted);text-transform:uppercase;
  margin:0 0 12px;padding-bottom:8px;border-bottom:1px solid var(--line);
}
.mega-links li{list-style:none;margin:0;}
.mega-links a{
  display:flex;justify-content:space-between;align-items:center;gap:8px;
  padding:8px 8px 8px 0;font-size:14.5px;color:var(--ink);
  border-radius:var(--radius-sm);
  transition:color .18s var(--ease),background .18s var(--ease),padding .18s var(--ease);
}
.mega-links a span{
  font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums;letter-spacing:.08em;
}
.mega-links a:hover{color:var(--accent);background:var(--soft);padding-left:8px;}
.mega-list li{list-style:none;margin:0 0 12px;}
.mega-list time{display:block;font-size:11.5px;color:var(--muted);letter-spacing:.06em;}
.mega-list a{font-size:14px;line-height:1.6;color:var(--ink);}
.mega-list a:hover{color:var(--accent);}
.mega-card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper);
}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.mega-card-body{padding:12px 14px 14px;}
.mega-card-body strong{display:block;font-family:var(--serif);font-size:15px;margin-bottom:4px;}
.mega-card-body p{font-size:12.5px;color:var(--muted);line-height:1.65;margin:0 0 8px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13.5px;font-weight:600;color:var(--primary);
  border-bottom:1px solid rgba(31,77,70,.35);padding-bottom:1px;
  transition:color .2s var(--ease),border-color .2s var(--ease),gap .2s var(--ease);
}
.link-arrow::after{content:"→";transition:transform .2s var(--ease);display:inline-block;}
.link-arrow:hover{color:var(--accent);border-color:var(--accent);}
.link-arrow:hover::after{transform:translateX(3px);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border-radius:var(--radius-sm);cursor:pointer;
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .16s var(--ease),box-shadow .2s var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--primary);color:#FFFDF8;border-color:var(--primary);}
.btn-primary:hover{background:var(--primary-deep);color:#FFFDF8;box-shadow:var(--shadow);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{background:var(--soft);color:var(--ink);border-color:var(--soft);}
.btn-light{background:#FFFDF8;color:var(--primary-deep);border-color:#FFFDF8;}
.btn-light:hover{background:var(--soft);color:var(--primary-deep);border-color:var(--soft);}
.btn-outline-light{background:transparent;color:#FFFDF8;border-color:rgba(255,253,248,.5);}
.btn-outline-light:hover{background:rgba(255,253,248,.12);color:#FFFDF8;border-color:#FFFDF8;}

/* ---------- Breadcrumb ---------- */
.crumb-bar{
  border-bottom:1px solid var(--line);
  background:var(--paper);
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:16px 0;font-size:13.5px;color:var(--muted);
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--ink);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- Article head ---------- */
.article-head{padding:56px 0 40px;border-bottom:1px solid var(--line);}
.tag{
  display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.04em;
  padding:3px 10px;border-radius:2px;
  border:1px solid var(--line);color:var(--primary);background:var(--card);
}
.tag-accent{color:var(--accent);border-color:rgba(201,111,74,.45);background:rgba(232,180,158,.16);}
.article-title{
  font-size:clamp(30px,4vw,46px);
  line-height:1.28;letter-spacing:.012em;
  margin:18px 0 0;max-width:900px;
}
.article-lead{
  max-width:820px;margin:20px 0 0;
  font-size:17px;line-height:1.85;color:var(--muted);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:26px;font-size:13.5px;color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.article-cover{
  margin-top:34px;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:var(--card);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.cover-caption{
  font-size:13px;color:var(--muted);padding:10px 16px;border-top:1px solid var(--line);
}

/* ---------- Article layout ---------- */
.article-main{padding:56px 0 72px;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 280px;
  gap:48px;align-items:start;
}
.article-body{
  font-size:17px;line-height:1.9;color:#1F2A27;
  min-width:0;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.05em;}
.article-body h2{
  font-size:28px;margin:2em 0 .7em;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;
  background:var(--accent);border-radius:2px;
}
.article-body h3{font-size:22px;margin:1.7em 0 .6em;}
.article-body h4{font-size:18px;margin:1.5em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.3em;}
.article-body li{margin-bottom:.45em;line-height:1.85;}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}
.article-body a:hover{color:var(--accent);text-decoration-thickness:2px;}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;
  background:var(--soft);border-left:3px solid var(--accent);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#233430;font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius);margin:1.4em auto;width:100%;height:auto;}
.article-body figure{margin:1.6em 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:1.6em 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:10px 14px;text-align:left;
  white-space:normal;
}
.article-body th{background:var(--soft);font-weight:700;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0;}
.article-body strong{font-weight:700;color:var(--ink);}

/* aside */
.article-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.aside-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);
}
.aside-card h3{
  font-family:var(--sans);font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--muted);text-transform:uppercase;
  margin:0 0 14px;padding-bottom:10px;border-bottom:1px solid var(--line);
}
.meta-list{list-style:none;}
.meta-list li{
  display:flex;justify-content:space-between;gap:12px;
  font-size:13.5px;padding:7px 0;border-bottom:1px dashed var(--line);
  font-variant-numeric:tabular-nums;
}
.meta-list li:last-child{border-bottom:0;}
.meta-list span{color:var(--muted);flex:0 0 auto;}
.meta-list b{font-weight:600;color:var(--ink);text-align:right;}
.aside-links{list-style:none;margin-bottom:14px;}
.aside-links li{padding:10px 0;border-bottom:1px solid var(--line);}
.aside-links li:last-child{border-bottom:0;}
.aside-links a{display:block;font-size:14px;line-height:1.6;color:var(--ink);font-weight:500;}
.aside-links a:hover{color:var(--accent);}
.aside-links time{display:block;font-size:11.5px;color:var(--muted);margin-top:4px;letter-spacing:.04em;}

/* empty state */
.article-empty{
  border:1px dashed var(--line);border-radius:var(--radius);
  background:var(--card);padding:56px 32px;text-align:center;
}
.empty-mark{
  width:52px;height:52px;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
  background:var(--soft);color:var(--primary);
  font-family:var(--serif);font-size:22px;font-weight:700;border-radius:var(--radius-sm);
}
.article-empty h2{font-size:22px;margin-bottom:10px;}
.article-empty p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* ---------- Tags / share ---------- */
.article-foot{
  margin-top:48px;padding-top:26px;border-top:1px solid var(--line);
}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tag-label{font-size:13px;color:var(--muted);letter-spacing:.08em;margin-right:2px;}
.article-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.copy-btn{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:0 18px;font-size:14px;font-weight:600;
  background:transparent;color:var(--ink);border:1px solid var(--line);
  border-radius:var(--radius-sm);cursor:pointer;
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.copy-btn:hover{background:var(--soft);border-color:var(--soft);}
.copy-btn.is-done{color:var(--ok);border-color:rgba(47,107,79,.45);background:rgba(47,107,79,.08);}

/* ---------- Related ---------- */
.related{padding:0 0 76px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:32px;padding-bottom:16px;border-bottom:1px solid var(--line);
}
.section-head h2{font-size:clamp(24px,3vw,32px);}
.section-head p{margin:6px 0 0;font-size:14.5px;color:var(--muted);}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#C9BFAD;}
.rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease);}
.rel-card:hover img{transform:scale(1.03);}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.rel-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;}
.rel-body h3{font-size:18px;line-height:1.45;}
.rel-body p{font-size:14px;line-height:1.75;color:var(--muted);margin:0;flex:1 1 auto;}

/* ---------- CTA ---------- */
.cta-band{background:var(--primary);color:#FFFDF8;padding:64px 0;}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;}
.cta-inner h2{color:#FFFDF8;font-size:clamp(24px,3vw,34px);}
.cta-inner p{margin:12px 0 0;color:rgba(255,253,248,.82);font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- Footer ---------- */
.site-footer{background:#17211F;color:#E9E3D6;padding:64px 0 0;}
.site-footer a{color:#E9E3D6;}
.site-footer a:hover{color:var(--accent-soft);}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(233,227,214,.16);
}
.footer-brand .logo{color:#FFFDF8;margin-bottom:16px;}
.footer-brand .logo-mark{background:var(--accent);color:#FFFDF8;}
.footer-brand .logo-text em{color:rgba(233,227,214,.62);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(233,227,214,.72);margin:0;max-width:340px;}
.footer-col h4{
  font-family:var(--sans);font-size:12px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:rgba(233,227,214,.58);margin:0 0 16px;
}
.footer-col ul{list-style:none;}
.footer-col li{margin-bottom:11px;font-size:14px;}
.footer-contact li{font-size:13.5px;line-height:1.7;color:rgba(233,227,214,.78);}
.footer-contact b{display:block;font-size:11.5px;letter-spacing:.1em;color:rgba(233,227,214,.55);font-weight:600;margin-bottom:2px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:22px 0 28px;font-size:13px;color:rgba(233,227,214,.6);
  font-variant-numeric:tabular-nums;
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .mega{width:720px;left:-120px;}
}
@media (max-width:1023px){
  .article-layout{grid-template-columns:1fr;gap:40px;}
  .article-aside{position:static;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:959px){
  .nav-wrap{height:64px;gap:16px;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:var(--card);border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-hover);
    padding:8px 0 16px;max-height:calc(100vh - 64px);overflow-y:auto;
  }
  .main-nav.is-open{display:flex;}
  .nav-item{border-bottom:1px solid var(--line);}
  .nav-item:last-child{border-bottom:0;}
  .nav-link{display:flex;justify-content:space-between;width:100%;padding:14px 24px;min-height:48px;font-size:16px;}
  .nav-link::after{display:none;}
  .mega{
    position:static;width:auto;opacity:1;visibility:visible;transform:none;
    display:none;grid-template-columns:1fr;gap:20px;
    border:0;box-shadow:none;padding:4px 24px 18px;background:var(--paper);
  }
  .mega-parent:hover .mega{display:none;}
  .mega-parent.is-open .mega{display:grid;}
  .mega-card{max-width:320px;}
  .article-head{padding:40px 0 32px;}
  .article-main{padding:44px 0 56px;}
  .cta-band{padding:52px 0;}
}
@media (max-width:767px){
  .article-body{font-size:16.5px;}
  .article-body h2{font-size:24px;}
  .article-body h3{font-size:20px;}
  .related-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:519px){
  .wrap,.wrap-wide{padding:0 18px;}
  body{font-size:16px;}
  .logo-text strong{font-size:16px;}
  .logo-text em{font-size:10px;letter-spacing:.12em;}
  .article-meta{gap:8px 14px;font-size:12.5px;}
  .cta-actions .btn{width:100%;}
  .article-empty{padding:40px 20px;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important;
  }
  .rel-card:hover,.nav-cta:hover,.btn:active{transform:none;}
  .rel-card:hover img{transform:none;}
}

/* roulang page: category1 */
:root{
  --ink:#17211F;
  --ink-2:#5E625C;
  --paper:#F6F1E7;
  --card:#FFFDF8;
  --green:#1F4D46;
  --green-deep:#163B36;
  --clay:#C96F4A;
  --clay-soft:#E8B49E;
  --line:#D8D0C2;
  --soft:#EFE7D8;
  --err:#B4472F;
  --ok:#2F6B4F;
  --radius:6px;
  --radius-sm:4px;
  --shadow:0 12px 30px rgba(23,33,31,.06);
  --shadow-lg:0 18px 40px rgba(23,33,31,.10);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::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:var(--sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;border:0}
a{color:var(--green);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--clay)}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);margin:0;font-weight:700;letter-spacing:.015em;line-height:1.35}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
time{font-variant-numeric:tabular-nums}
::selection{background:var(--clay-soft);color:var(--ink)}
:focus-visible{outline:3px solid rgba(201,111,74,.45);outline-offset:2px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.wrap .row{margin-left:-15px;margin-right:-15px}

/* ============ 页头与导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease-out;
}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(23,33,31,.08)}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:inline-flex;align-items:center;gap:12px;color:var(--ink)}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:38px;height:38px;flex:none;display:grid;place-items:center;
  background:var(--green);color:var(--paper);
  font-family:var(--serif);font-size:20px;font-weight:700;
  border-radius:2px;
  transition:background .2s ease-out;
}
.logo:hover .logo-mark{background:var(--clay)}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text strong{font-family:var(--serif);font-size:19px;font-weight:700;letter-spacing:.02em}
.logo-text em{font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--ink-2)}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  background:transparent;border:1px solid var(--line);border-radius:var(--radius-sm);
  position:relative;padding:0;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;width:20px;height:2px;background:var(--ink);
  transform:translateX(-50%);transition:transform .2s ease-out,opacity .2s ease-out;
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{content:"";left:0;top:-7px;transform:none}
.nav-toggle span::after{content:"";left:0;top:7px;transform:none}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-7px) rotate(-45deg)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-item{position:relative}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:12px 14px;min-height:44px;
  font-size:15px;color:var(--ink);position:relative;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;
  background:var(--clay);transform:scaleX(0);transform-origin:left;
  transition:transform .22s cubic-bezier(.2,.7,.2,1);
}
.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-item.is-active .nav-link::after{transform:scaleX(1)}
.nav-item.is-active .nav-link{color:var(--green);font-weight:600}
.caret{
  width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;
  transform:rotate(45deg);margin-top:-3px;transition:transform .2s ease-out;
}
.mega-parent:hover .caret,
.mega-parent:focus-within .caret{transform:rotate(225deg);margin-top:2px}
.mega{
  position:absolute;top:calc(100% + 12px);left:50%;
  width:780px;
  display:grid;grid-template-columns:1.1fr 1fr 1.05fr;gap:26px;
  padding:26px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-lg);
  opacity:0;visibility:hidden;
  transform:translateX(-50%) translateY(6px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s;
}
.mega-parent:hover .mega,
.mega-parent:focus-within .mega,
.mega-parent.is-open .mega{
  opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);
}
.mega h4{font-size:13px;letter-spacing:.14em;color:var(--ink-2);font-family:var(--sans);font-weight:600;margin-bottom:14px;text-transform:uppercase}
.mega-links li a{
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:8px 0;font-size:15px;color:var(--ink);
  border-bottom:1px dashed transparent;
}
.mega-links li a span{font-size:12px;color:var(--clay);font-variant-numeric:tabular-nums}
.mega-links li a:hover{color:var(--clay);border-bottom-color:var(--clay-soft)}
.mega-list li{padding:9px 0;border-bottom:1px solid var(--line)}
.mega-list li:last-child{border-bottom:0}
.mega-list time{display:block;font-size:12px;color:var(--ink-2)}
.mega-list a{font-size:14px;color:var(--ink);line-height:1.6}
.mega-list a:hover{color:var(--clay)}
.mega-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper)}
.mega-card img{width:100%;aspect-ratio:16/9}
.mega-card-body{padding:14px}
.mega-card-body strong{display:block;font-family:var(--serif);font-size:16px;margin-bottom:6px}
.mega-card-body p{font-size:13px;color:var(--ink-2);line-height:1.7;margin-bottom:10px}

/* ============ 按钮与链接 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 22px;
  border-radius:var(--radius-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.4;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .06s ease-out,box-shadow .2s ease-out;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--green);color:var(--paper);border-color:var(--green)}
.btn-primary:hover{background:var(--green-deep);border-color:var(--green-deep);color:var(--paper)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--soft);color:var(--ink);border-color:#C9BFAE}
.btn .arrow{transition:transform .2s ease-out}
.btn:hover .arrow{transform:translateX(3px)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--green);
  border-bottom:1px solid transparent;padding-bottom:1px;
}
.link-arrow::after{content:"→";transition:transform .2s ease-out}
.link-arrow:hover{color:var(--clay);border-bottom-color:var(--clay-soft)}
.link-arrow:hover::after{transform:translateX(3px)}

/* ============ 面包屑与 Hero ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-2);margin-bottom:22px}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--clay)}
.crumb .sep{color:var(--line)}
.crumb .current{color:var(--ink);font-weight:600}
.page-hero{
  background:var(--paper);
  background-image:linear-gradient(90deg,rgba(31,77,70,.05) 1px,transparent 1px);
  background-size:48px 100%;
  border-bottom:1px solid var(--line);
  padding:44px 0 60px;
}
.hero-eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.2em;
  color:var(--clay);border-left:3px solid var(--clay);
  padding-left:10px;margin-bottom:16px;font-weight:600;
}
.page-hero h1{
  font-size:clamp(32px,4.4vw,52px);
  line-height:1.28;margin-bottom:18px;max-width:16em;
}
.page-hero h1 .hl{color:var(--green)}
.hero-lead{font-size:17px;color:var(--ink-2);max-width:36em;margin-bottom:26px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-figure{position:relative;margin-top:8px}
.hero-figure img{width:100%;aspect-ratio:5/4;border:1px solid var(--line);border-radius:var(--radius)}
.hero-badge{
  position:absolute;right:-10px;bottom:-22px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px 16px;box-shadow:var(--shadow);max-width:230px;
}
.hero-badge b{display:block;font-family:var(--serif);font-size:14px;color:var(--green);margin-bottom:4px}
.hero-badge span{font-size:12px;color:var(--ink-2);line-height:1.65;display:block}
.hero-figure::before{
  content:"";position:absolute;left:-16px;top:-16px;width:56px;height:56px;
  border-left:1px solid var(--line);border-top:1px solid var(--line);
}

/* ============ 产品主体 ============ */
.section{padding:76px 0 0}
.catalog-grid{display:grid;grid-template-columns:280px 1fr;gap:48px;align-items:start}
.side{position:sticky;top:96px;border-top:3px solid var(--green);padding-top:20px}
.side h2{font-size:19px;margin-bottom:12px}
.side p{font-size:14px;color:var(--ink-2);line-height:1.8;margin-bottom:20px}
.side-anchors{border-top:1px solid var(--line)}
.side-anchors a{
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:11px 2px;font-size:14px;color:var(--ink);
  border-bottom:1px solid var(--line);min-height:44px;
}
.side-anchors a span{font-size:12px;color:var(--clay);font-variant-numeric:tabular-nums}
.side-anchors a:hover{color:var(--clay);padding-left:6px;transition:padding .2s ease-out,color .2s}
.side-cta{
  margin-top:22px;padding:18px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);
}
.side-cta b{display:block;font-family:var(--serif);font-size:15px;margin-bottom:6px}
.side-cta p{font-size:13px;margin-bottom:12px}
.side-cta .btn{width:100%}

.catalog-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;border-bottom:1px solid var(--line);padding-bottom:16px}
.catalog-head h2{font-size:clamp(24px,2.6vw,32px)}
.catalog-head span{font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.product-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.p-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.p-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#C9BFAE}
.p-card-media{aspect-ratio:4/3;overflow:hidden;background:var(--soft)}
.p-card-media img{width:100%;height:100%;transition:transform .35s cubic-bezier(.2,.7,.2,1)}
.p-card:hover .p-card-media img{transform:scale(1.03)}
.p-card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.p-card-body h3{font-size:20px;line-height:1.4}
.p-card-body p{font-size:14px;color:var(--ink-2);line-height:1.8}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  font-size:12px;padding:3px 8px;border:1px solid var(--line);
  border-radius:2px;color:var(--green);background:#fff;line-height:1.5;
}
.tag--clay{color:var(--clay);border-color:var(--clay-soft);background:#FDF5F1}
.p-card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}
.p-card-foot .price{font-size:13px;color:var(--ink-2)}
.p-card-foot .price b{color:var(--clay);font-size:15px;font-variant-numeric:tabular-nums;font-family:var(--serif)}

/* ============ 选型提示 ============ */
.tips{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:76px;padding:36px 0;background:rgba(239,231,216,.5)}
.tips-head{display:flex;align-items:baseline;gap:14px;margin-bottom:24px;flex-wrap:wrap}
.tips-head h2{font-size:20px}
.tips-head span{font-size:13px;color:var(--ink-2)}
.tips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.tip-item{display:flex;gap:14px}
.tip-item b{
  font-family:var(--serif);font-size:24px;color:var(--clay);
  line-height:1;font-variant-numeric:tabular-nums;flex:none;
}
.tip-item h3{font-size:16px;margin-bottom:6px}
.tip-item p{font-size:14px;color:var(--ink-2);line-height:1.8}

/* ============ 交付流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.flow-step{padding:26px 24px;border-right:1px solid var(--line);transition:background .2s ease-out}
.flow-step:last-child{border-right:0}
.flow-step:hover{background:var(--soft)}
.flow-step b{
  display:block;font-family:var(--serif);font-size:13px;letter-spacing:.16em;
  color:var(--clay);margin-bottom:10px;font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:17px;margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--ink-2);line-height:1.8}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start}
.faq-side{position:sticky;top:96px}
.faq-side h2{font-size:clamp(26px,3vw,36px);margin-bottom:12px}
.faq-side p{font-size:15px;color:var(--ink-2)}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 4px;min-height:56px;cursor:pointer;
  font-family:var(--serif);font-size:17px;font-weight:600;color:var(--ink);
  transition:background .2s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--soft)}
.faq-plus{position:relative;width:14px;height:14px;flex:none}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;background:var(--clay);
  transition:transform .22s ease-out,opacity .22s ease-out;
}
.faq-plus::before{left:0;top:6px;width:14px;height:2px}
.faq-plus::after{left:6px;top:0;width:2px;height:14px}
.faq-item[open] .faq-plus::after{transform:rotate(90deg);opacity:0}
.faq-answer{padding:0 40px 22px 4px;font-size:15px;color:var(--ink-2);line-height:1.9}

/* ============ CTA ============ */
.cta-band{
  margin-top:76px;background:var(--green);color:var(--paper);
  border-radius:var(--radius);padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-60px;
  width:220px;height:220px;border:1px solid rgba(246,241,231,.18);border-radius:50%;
}
.cta-band h2{color:var(--paper);font-size:clamp(24px,3vw,34px);margin-bottom:10px}
.cta-band p{color:rgba(246,241,231,.82);font-size:15px;max-width:34em}
.cta-band .cta-meta{margin-top:16px;display:flex;flex-wrap:wrap;gap:22px;font-size:13px;color:rgba(246,241,231,.7)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1;flex:none}
.btn-light{background:var(--paper);color:var(--green);border-color:var(--paper)}
.btn-light:hover{background:#fff;border-color:#fff;color:var(--green-deep)}
.btn-outline-light{background:transparent;color:var(--paper);border-color:rgba(246,241,231,.45)}
.btn-outline-light:hover{background:rgba(246,241,231,.12);color:var(--paper);border-color:rgba(246,241,231,.7)}

/* ============ 页脚 ============ */
.site-footer{background:#17211F;color:rgba(246,241,231,.78);margin-top:88px;padding:64px 0 28px;border-top:1px solid rgba(246,241,231,.14)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(246,241,231,.14)}
.footer-brand .logo{color:var(--paper);margin-bottom:16px}
.footer-brand .logo-mark{background:var(--clay);color:#17211F}
.footer-brand .logo-text strong{color:var(--paper)}
.footer-brand .logo-text em{color:rgba(246,241,231,.55)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(246,241,231,.66);max-width:30em}
.footer-col h4{font-family:var(--sans);font-size:13px;letter-spacing:.14em;color:rgba(246,241,231,.5);margin-bottom:16px;font-weight:600}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:rgba(246,241,231,.78);font-size:14px}
.footer-col a:hover{color:var(--clay-soft)}
.footer-contact li{font-size:14px;line-height:1.8;margin-bottom:10px;color:rgba(246,241,231,.7)}
.footer-contact b{display:inline-block;min-width:64px;color:rgba(246,241,231,.5);font-weight:400;font-size:13px}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:24px;font-size:13px;color:rgba(246,241,231,.48)}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .mega{width:660px;grid-template-columns:1fr 1fr;gap:22px}
  .mega > div:last-child{display:none}
}
@media (max-width:960px){
  .nav-wrap{height:64px;gap:16px}
  .nav-toggle{display:block}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--card);border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);padding:10px 16px 20px;
    display:none;max-height:calc(100vh - 64px);overflow-y:auto;
  }
  .main-nav.is-open{display:flex}
  .nav-item{border-bottom:1px solid var(--line)}
  .nav-item:last-child{border-bottom:0}
  .nav-link{width:100%;padding:14px 4px;font-size:16px;justify-content:space-between}
  .nav-link::after{display:none}
  .mega{
    position:static;width:auto;transform:none;opacity:1;visibility:visible;
    box-shadow:none;border:0;border-top:1px dashed var(--line);border-radius:0;
    padding:14px 4px 18px;display:none;grid-template-columns:1fr;gap:20px;
  }
  .mega-parent:hover .mega{transform:none}
  .mega-parent.is-open .mega{display:grid}
  .mega-parent:hover .caret{transform:rotate(45deg);margin-top:-3px}
  .mega-parent.is-open .caret{transform:rotate(225deg);margin-top:2px}
  .catalog-grid{grid-template-columns:1fr;gap:32px}
  .side{position:static}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .faq-side{position:static}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow-step:nth-child(2n){border-right:0}
  .flow-step:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .tips-grid{grid-template-columns:1fr;gap:22px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .page-hero{padding:32px 0 52px}
  .hero-badge{position:static;margin-top:16px;max-width:none}
  .hero-figure::before{display:none}
}
@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  .section{padding:52px 0 0}
  .product-cards{grid-template-columns:1fr}
  .catalog-head{flex-direction:column;align-items:flex-start;gap:6px}
  .flow{grid-template-columns:1fr}
  .flow-step{border-right:0;border-bottom:1px solid var(--line)}
  .flow-step:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:30px 22px;margin-top:56px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .hero-actions .btn{width:100%}
  .tips{margin-top:56px}
  .site-footer{margin-top:60px;padding:48px 0 24px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
  }
  html{scroll-behavior:auto}
  .p-card:hover{transform:none}
  .p-card:hover .p-card-media img{transform:none}
}

/* roulang page: category2 */
:root{
  --ink:#17211F;
  --ink-soft:#5E625C;
  --line:#D8D0C2;
  --primary:#1F4D46;
  --primary-deep:#163B36;
  --accent:#C96F4A;
  --accent-soft:#E8B49E;
  --paper:#F6F1E7;
  --card:#FFFDF8;
  --weak:#EFE7D8;
  --danger:#B4472F;
  --success:#2F6B4F;
  --radius:6px;
  --radius-sm:4px;
  --shadow:0 12px 30px rgba(23,33,31,.06);
  --shadow-lg:0 18px 40px rgba(23,33,31,.10);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--accent);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1em;}
h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:700;
  line-height:1.28;
  letter-spacing:.015em;
  margin:0 0 .5em;
  color:var(--ink);
}
h2{font-size:clamp(26px,3vw,38px);}
h3{font-size:clamp(19px,1.8vw,23px);}
h4{font-size:17px;}
:focus-visible{outline:3px solid rgba(201,111,74,.45);outline-offset:2px;border-radius:2px;}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px;}
.grid-x{display:flex;flex-wrap:wrap;}
.cell{min-width:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;min-height:46px;
  font-family:var(--sans);font-size:15px;font-weight:500;letter-spacing:.02em;
  border-radius:var(--radius-sm);cursor:pointer;
  border:1px solid transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#FBF7EE;}
.btn-primary:hover,.btn-primary:focus{background:var(--primary-deep);border-color:var(--primary-deep);color:#fff;box-shadow:var(--shadow);}
.btn-primary:hover .arrow{transform:translateX(3px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover,.btn-ghost:focus{background:var(--weak);border-color:var(--ink-soft);color:var(--ink);}
.btn-light{background:#FBF7EE;border-color:#FBF7EE;color:var(--primary-deep);}
.btn-light:hover{background:#fff;border-color:#fff;color:var(--primary-deep);}
.btn-outline-light{background:transparent;border-color:rgba(251,247,238,.55);color:#FBF7EE;}
.btn-outline-light:hover{background:rgba(251,247,238,.12);border-color:#FBF7EE;color:#fff;}
.btn:active{transform:translateY(1px);}
.arrow{display:inline-block;transition:transform .2s var(--ease);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:500;color:var(--primary);
  border-bottom:1px solid rgba(31,77,70,.35);
  padding-bottom:2px;text-underline-offset:4px;
}
.link-arrow:hover{color:var(--accent);border-bottom-color:var(--accent);}
.link-arrow:hover .arrow{transform:translateX(3px);}

/* ---------- 标签 ---------- */
.tag{
  display:inline-block;padding:3px 10px;margin:0 6px 6px 0;
  font-size:12.5px;line-height:1.6;border-radius:2px;
  border:1px solid var(--line);color:var(--primary);background:var(--card);
}
.tag-accent{border-color:var(--accent-soft);color:var(--accent);background:#FDF4EF;}
.tag-solid{background:var(--weak);border-color:var(--weak);color:var(--primary-deep);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(23,33,31,.07);}
.nav-wrap{
  display:flex;align-items:center;gap:24px;
  min-height:var(--header-h);
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:34px;height:34px;display:grid;place-items:center;
  background:var(--primary);color:#FBF7EE;
  font-family:var(--serif);font-size:18px;font-weight:700;
  border-radius:3px;flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-family:var(--serif);font-size:18px;letter-spacing:.02em;}
.logo-text em{
  font-style:normal;font-size:11px;letter-spacing:.14em;
  color:var(--ink-soft);margin-top:3px;
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-item{position:relative;}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;min-height:44px;
  font-size:15px;color:var(--ink);position:relative;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:7px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-item:hover>.nav-link::after,
.nav-item.is-active>.nav-link::after,
.nav-link:focus-visible::after{transform:scaleX(1);}
.nav-item.is-active>.nav-link{color:var(--primary);font-weight:600;}
.caret{
  width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;
  border-top:5px solid currentColor;transition:transform .22s var(--ease);margin:0;padding:0;
}
.nav-item:hover .caret,.mega-parent.mega-open .caret{transform:rotate(180deg);}
.nav-cta{
  margin-left:12px;padding:11px 22px;min-height:44px;
  display:inline-flex;align-items:center;
  background:var(--primary);color:#FBF7EE;
  font-size:14.5px;border-radius:var(--radius-sm);
  transition:background-color .2s var(--ease),transform .2s var(--ease);
}
.nav-cta:hover{background:var(--primary-deep);color:#fff;}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--card);cursor:pointer;position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--ink);
  transform:translateX(-50%);transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{content:"";top:-6px;}
.nav-toggle span::after{content:"";top:6px;}
body.nav-open .nav-toggle span{transform:translateX(-50%) rotate(45deg);}
body.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(-90deg);}
body.nav-open .nav-toggle span::after{opacity:0;}

/* Mega 面板 */
.mega{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translate(-50%,6px);
  width:800px;max-width:calc(100vw - 48px);
  display:grid;grid-template-columns:1.05fr 1fr .95fr;gap:28px;
  padding:26px 28px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-lg);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .2s var(--ease),transform .22s var(--ease),visibility .2s;
}
.mega-parent:hover>.mega,
.mega-parent:focus-within>.mega,
.mega-parent.mega-open>.mega{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0);}
.mega h4{
  font-family:var(--sans);font-size:12.5px;letter-spacing:.16em;
  color:var(--ink-soft);font-weight:600;margin-bottom:14px;
}
.mega-links li{margin-bottom:2px;}
.mega-links a{
  display:flex;justify-content:space-between;align-items:center;
  padding:8px 10px;border-radius:var(--radius-sm);
  font-size:14.5px;color:var(--ink);transition:background-color .18s var(--ease),color .18s var(--ease);
}
.mega-links a span{font-size:12px;color:var(--ink-soft);font-variant-numeric:tabular-nums;}
.mega-links a:hover{background:var(--weak);color:var(--primary);}
.mega-list li{padding:10px 0;border-bottom:1px solid var(--line);}
.mega-list li:last-child{border-bottom:0;}
.mega-list time{display:block;font-size:12px;color:var(--ink-soft);font-variant-numeric:tabular-nums;}
.mega-list a{font-size:14px;color:var(--ink);line-height:1.6;}
.mega-list a:hover{color:var(--accent);}
.mega-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.mega-card-body{padding:14px 16px 18px;}
.mega-card-body strong{font-family:var(--serif);font-size:16px;display:block;margin-bottom:6px;}
.mega-card-body p{font-size:13px;color:var(--ink-soft);line-height:1.7;margin-bottom:10px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:22px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-soft);}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--line);}
.breadcrumb a{color:var(--ink-soft);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb [aria-current]{color:var(--ink);}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;
  margin-top:18px;
  padding:64px 0 60px;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(102deg,rgba(246,241,231,.97) 0%,rgba(246,241,231,.93) 52%,rgba(246,241,231,.70) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center right;
  background-repeat:no-repeat;
}
.hero-grid{display:flex;flex-wrap:wrap;gap:48px;align-items:flex-start;}
.hero-main{flex:1 1 560px;min-width:0;}
.hero-side{flex:0 1 320px;min-width:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12.5px;letter-spacing:.2em;color:var(--accent);
  margin-bottom:20px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent);display:inline-block;}
.page-hero h1{
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.22;
  letter-spacing:.01em;
  margin-bottom:20px;
}
.page-hero h1 .h1-sub{
  display:block;font-size:clamp(16px,1.7vw,20px);
  font-family:var(--sans);font-weight:400;color:var(--ink-soft);
  letter-spacing:.01em;margin-top:16px;line-height:1.8;
}
.hero-desc{
  max-width:620px;font-size:16.5px;color:var(--ink-soft);
  line-height:1.9;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-note{margin-top:22px;font-size:13.5px;color:var(--ink-soft);}
.hero-note b{color:var(--primary);font-weight:600;}
.hero-index{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow);
}
.hero-index h2{
  font-family:var(--sans);font-size:12.5px;letter-spacing:.18em;
  color:var(--ink-soft);font-weight:600;margin-bottom:16px;
}
.hero-index ol{counter-reset:idx;}
.hero-index li{
  counter-increment:idx;
  display:flex;align-items:baseline;gap:14px;
  padding:11px 0;border-top:1px solid var(--line);
  font-size:14.5px;color:var(--ink);
}
.hero-index li:first-child{border-top:0;}
.hero-index li::before{
  content:"0" counter(idx);
  font-size:12.5px;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:.06em;flex:0 0 auto;
}
.hero-index li span{color:var(--ink-soft);font-size:13px;display:block;margin-top:2px;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--ink-soft);line-height:1.9;margin:0;}
.section-label{
  display:inline-block;font-size:12.5px;letter-spacing:.2em;
  color:var(--accent);margin-bottom:14px;
}

/* ---------- 场景章节 ---------- */
.scene-chapter{
  padding:52px 0;
  border-top:1px solid var(--line);
}
.scene-chapter:first-of-type{border-top:0;padding-top:0;}
.scene-row{align-items:center;}
.scene-row.reverse .scene-media{order:2;}
.scene-row.reverse .scene-body{order:1;}
.scene-media{position:relative;}
.scene-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius);border:1px solid var(--line);
  transition:transform .3s var(--ease);
}
.scene-media:hover img{transform:scale(1.02);}
.scene-media .media-no{
  position:absolute;left:16px;bottom:16px;
  background:rgba(251,247,238,.94);
  border:1px solid var(--line);border-radius:2px;
  padding:5px 12px;font-size:12.5px;letter-spacing:.14em;
  color:var(--primary);font-variant-numeric:tabular-nums;
}
.scene-body{min-width:0;}
.scene-body .no{
  display:block;font-size:30px;font-family:var(--serif);
  color:var(--accent-soft);line-height:1;margin-bottom:10px;
  font-variant-numeric:tabular-nums;letter-spacing:.04em;
}
.scene-body h3{margin-bottom:14px;}
.scene-body p{font-size:15.5px;color:var(--ink-soft);line-height:1.9;margin-bottom:14px;}
.point-list{margin:20px 0 22px;border-top:1px solid var(--line);}
.point-list li{
  position:relative;padding:11px 0 11px 24px;
  border-bottom:1px solid var(--line);
  font-size:14.5px;color:var(--ink);
}
.point-list li::before{
  content:"";position:absolute;left:2px;top:19px;
  width:7px;height:7px;background:var(--accent);border-radius:1px;
}
.scene-tags{margin-bottom:18px;}

/* ---------- 引用带 ---------- */
.quote-band{
  background:var(--primary);color:#FBF7EE;
  padding:56px 0;
  position:relative;overflow:hidden;
}
.quote-band::after{
  content:"米";position:absolute;right:40px;bottom:-40px;
  font-family:var(--serif);font-size:200px;color:rgba(251,247,238,.05);line-height:1;
  pointer-events:none;
}
.quote-inner{display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;position:relative;z-index:2;}
.quote-inner blockquote{
  margin:0;flex:1 1 520px;min-width:0;
  font-family:var(--serif);font-size:clamp(20px,2.3vw,28px);line-height:1.6;
  letter-spacing:.01em;
}
.quote-inner .quote-link{
  color:#FBF7EE;border-bottom:1px solid rgba(251,247,238,.5);
  padding-bottom:3px;font-size:15px;white-space:nowrap;
}
.quote-inner .quote-link:hover{color:var(--accent-soft);border-bottom-color:var(--accent-soft);}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);}
.flow-item{
  padding:28px 24px 26px 0;border-right:1px solid var(--line);
  position:relative;
}
.flow-item:last-child{border-right:0;}
.flow-item .flow-no{
  font-family:var(--serif);font-size:13px;letter-spacing:.16em;
  color:var(--accent);display:block;margin-bottom:12px;font-variant-numeric:tabular-nums;
}
.flow-item h3{font-size:18px;margin-bottom:8px;}
.flow-item p{font-size:14px;color:var(--ink-soft);line-height:1.8;margin:0;}

/* ---------- FAQ ---------- */
.faq-wrap{display:flex;flex-wrap:wrap;gap:56px;align-items:flex-start;}
.faq-intro{flex:1 1 320px;min-width:0;position:sticky;top:96px;}
.faq-intro h2{margin-bottom:14px;}
.faq-intro p{color:var(--ink-soft);font-size:15.5px;line-height:1.9;margin-bottom:22px;}
.faq-list{flex:1 1 560px;min-width:0;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  padding:20px 4px;cursor:pointer;list-style:none;
  font-size:16.5px;font-weight:600;color:var(--ink);
  transition:background-color .2s var(--ease),padding-left .2s var(--ease);
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--weak);padding-left:12px;}
.faq-item summary .plus{
  position:relative;width:16px;height:16px;flex:0 0 auto;
  transition:transform .24s var(--ease);
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";position:absolute;background:var(--primary);border-radius:1px;
}
.faq-item summary .plus::before{left:0;top:7px;width:16px;height:2px;}
.faq-item summary .plus::after{left:7px;top:0;width:2px;height:16px;}
.faq-item[open] summary .plus{transform:rotate(45deg);}
.faq-answer{padding:0 4px 22px;font-size:15px;color:var(--ink-soft);line-height:1.9;}
.faq-answer p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--primary-deep);color:#FBF7EE;
  padding:64px 0;
}
.cta-inner{display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;}
.cta-text{flex:1 1 480px;min-width:0;}
.cta-text h2{color:#FBF7EE;margin-bottom:12px;font-size:clamp(24px,2.7vw,34px);}
.cta-text p{color:rgba(251,247,238,.78);margin:0;font-size:15.5px;line-height:1.9;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-meta{margin-top:20px;font-size:13.5px;color:rgba(251,247,238,.62);}
.cta-meta a{color:rgba(251,247,238,.86);border-bottom:1px solid rgba(251,247,238,.35);padding-bottom:2px;}
.cta-meta a:hover{color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#17211F;color:#EDE7DB;
  padding:64px 0 28px;
  border-top:1px solid rgba(216,208,194,.16);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr .8fr .8fr 1.1fr;
  gap:44px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(216,208,194,.16);
}
.site-footer .logo{color:#FBF7EE;margin-bottom:18px;}
.site-footer .logo:hover{color:#fff;}
.site-footer .logo-mark{background:var(--accent);color:#17211F;}
.site-footer .logo-text strong{color:#FBF7EE;}
.site-footer .logo-text em{color:rgba(237,231,219,.55);}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(237,231,219,.66);margin:0;max-width:340px;}
.footer-col h4{
  font-family:var(--sans);font-size:12.5px;letter-spacing:.16em;
  color:rgba(237,231,219,.5);font-weight:600;margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(237,231,219,.82);}
.footer-col a:hover{color:var(--accent-soft);}
.footer-contact li{font-size:13.5px;color:rgba(237,231,219,.7);line-height:1.8;}
.footer-contact b{display:block;font-size:12px;letter-spacing:.1em;color:rgba(237,231,219,.45);font-weight:500;margin-bottom:2px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:22px;font-size:13px;color:rgba(237,231,219,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .mega{width:720px;}
}
@media (max-width:1024px){
  .wrap{padding:0 24px;}
  .section{padding:72px 0;}
  .page-hero{padding:52px 0 48px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .flow-item:nth-child(2){border-right:0;}
  .flow-item:nth-child(1),.flow-item:nth-child(2){border-bottom:1px solid var(--line);}
}
@media (max-width:959px){
  :root{--header-h:64px;}
  .nav-toggle{display:block;}
  .nav-cta{margin-left:10px;padding:10px 16px;font-size:14px;}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:var(--paper);
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px rgba(23,33,31,.10);
    padding:8px 0 18px;
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
  }
  body.nav-open .main-nav{display:flex;}
  .nav-wrap{position:relative;flex-wrap:wrap;}
  .nav-item{border-bottom:1px solid var(--line);}
  .nav-item:last-child{border-bottom:0;}
  .nav-link{padding:14px 24px;width:100%;justify-content:space-between;}
  .nav-link::after{display:none;}
  .nav-item.is-active>.nav-link{background:var(--weak);}
  .mega{
    position:static;transform:none;opacity:1;visibility:visible;pointer-events:auto;
    width:auto;max-width:none;display:none;
    grid-template-columns:1fr;gap:22px;
    margin:0 24px 16px;padding:20px;
    box-shadow:none;background:var(--card);
  }
  .mega-parent.mega-open>.mega{display:grid;transform:none;}
  .hero-grid{gap:32px;}
  .hero-side{flex:1 1 100%;}
  .faq-intro{position:static;}
  .faq-wrap{gap:32px;}
  .scene-row .scene-media{order:1 !important;}
  .scene-row .scene-body{order:2 !important;margin-top:24px;}
  .scene-row.grid-margin-x > .cell{width:calc(100% - 3rem);}
  .quote-inner blockquote{flex:1 1 100%;}
}
@media (max-width:1023px){
  .scene-row.grid-margin-x > .cell{width:calc(50% - 3rem);}
}
@media (max-width:959px){
  .scene-row.grid-margin-x > .cell{width:calc(100% - 3rem);}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .page-hero{padding:40px 0 40px;background-image:
    linear-gradient(180deg,rgba(246,241,231,.97) 0%,rgba(246,241,231,.92) 100%),
    url("/assets/images/backpic/back-2.png");}
  .flow-grid{grid-template-columns:1fr;}
  .flow-item{border-right:0;border-bottom:1px solid var(--line);padding:22px 0;}
  .flow-item:last-child{border-bottom:0;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .scene-body .no{font-size:24px;}
}
@media (max-width:520px){
  .wrap{padding:0 18px;}
  body{font-size:16px;}
  .logo-text strong{font-size:16px;}
  .logo-text em{font-size:10px;letter-spacing:.1em;}
  .logo-mark{width:30px;height:30px;font-size:16px;}
  .hero-actions .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .hero-index{padding:18px;}
  .quote-band::after{font-size:130px;right:12px;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
  .scene-media:hover img{transform:none;}
  .card:hover,.btn:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --primary:#1F4D46;
  --primary-deep:#163B36;
  --accent:#C96F4A;
  --accent-soft:#E8B49E;
  --paper:#F6F1E7;
  --card:#FFFDF8;
  --ink:#17211F;
  --muted:#5E625C;
  --line:#D8D0C2;
  --soft:#EFE7D8;
  --danger:#B4472F;
  --success:#2F6B4F;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --radius:6px;
  --radius-sm:4px;
  --shadow:0 12px 30px rgba(23,33,31,.06);
  --shadow-hover:0 18px 40px rgba(23,33,31,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease)}
a:hover{color:var(--accent)}
p{margin:0 0 1em}
h1,h2,h3,h4{
  margin:0;
  font-family:var(--serif);
  font-weight:700;
  letter-spacing:.015em;
  line-height:1.28;
  color:var(--ink);
}
h1{font-size:clamp(36px,4.4vw,56px)}
h2{font-size:clamp(28px,3.2vw,40px)}
h3{font-size:clamp(20px,2vw,24px)}
h4{font-size:18px}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid rgba(201,111,74,.45);outline-offset:3px}
.wrap{width:min(1200px,calc(100% - 48px));margin:0 auto}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
  color:var(--accent);
  font-size:13px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
}
.kicker::before{content:"";width:22px;height:1px;background:var(--accent)}
.section-head{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(260px,.72fr);
  gap:48px;
  align-items:end;
  margin-bottom:42px;
}
.section-head p{color:var(--muted);margin:0;max-width:58ch}
.eyebrow-label{font-size:14px;color:var(--muted);letter-spacing:.08em}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:46px;
  padding:11px 20px;
  border-radius:var(--radius-sm);
  border:1px solid var(--primary);
  background:var(--primary);
  color:#FFFDF8;
  font-weight:700;
  font-size:15px;
  line-height:1.3;
  text-decoration:none;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn:hover{background:var(--primary-deep);border-color:var(--primary-deep);color:#FFFDF8;transform:translateY(-1px);box-shadow:var(--shadow)}
.btn:active{transform:translateY(1px)}
.btn .arrow{display:inline-block;transition:transform .2s var(--ease)}
.btn:hover .arrow{transform:translateX(3px)}
.btn-secondary{
  background:transparent;
  color:var(--ink);
  border-color:var(--line);
}
.btn-secondary:hover{background:var(--soft);border-color:var(--accent);color:var(--ink)}
.btn-light{background:var(--paper);color:var(--primary);border-color:var(--paper)}
.btn-light:hover{background:#fff;border-color:#fff;color:var(--primary-deep)}
.btn-outline-light{background:transparent;color:#FFFDF8;border-color:rgba(255,253,248,.55)}
.btn-outline-light:hover{background:rgba(255,253,248,.12);border-color:#FFFDF8;color:#FFFDF8}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.link-arrow:hover{color:var(--accent);text-decoration-thickness:2px}
.tag{
  display:inline-flex;
  align-items:center;
  min-height:24px;
  padding:2px 8px;
  border:1px solid var(--line);
  border-radius:2px;
  color:var(--primary);
  background:rgba(255,253,248,.55);
  font-size:12px;
  font-weight:700;
  line-height:1.5;
  white-space:nowrap;
}
.tag-accent{color:var(--accent);border-color:rgba(201,111,74,.45);background:rgba(201,111,74,.05)}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(246,241,231,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(23,33,31,.08)}
.nav-wrap{
  min-height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.logo{display:inline-flex;align-items:center;gap:12px;color:var(--ink);flex:0 0 auto}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:40px;height:40px;
  display:grid;place-items:center;
  background:var(--primary);
  color:#FFFDF8;
  font-family:var(--serif);
  font-size:22px;
  font-weight:700;
  border-radius:2px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-family:var(--serif);font-size:20px;letter-spacing:.02em}
.logo-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.14em;margin-top:3px}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-item{position:relative}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:8px 14px;
  color:var(--ink);
  font-size:15px;
  font-weight:700;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:7px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s var(--ease);
}
.nav-link:hover::after,.nav-item.is-active .nav-link::after{transform:scaleX(1)}
.nav-item.is-active .nav-link{color:var(--primary)}
.caret{
  width:7px;height:7px;
  border-right:1.5px solid currentColor;
  border-bottom:1.5px solid currentColor;
  transform:rotate(45deg) translateY(-2px);
  transition:transform .2s var(--ease);
}
.mega-parent:hover .caret,.mega-parent:focus-within .caret,.mega-parent.open .caret{transform:rotate(225deg) translateY(-1px)}
.nav-cta{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  margin-left:8px;
  padding:8px 16px;
  border:1px solid var(--primary);
  border-radius:var(--radius-sm);
  color:var(--primary);
  background:transparent;
  font-size:14px;
  font-weight:700;
  white-space:nowrap;
}
.nav-cta:hover{background:var(--primary);color:#FFFDF8}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:var(--card);
  align-items:center;justify-content:center;
  padding:0;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  display:block;width:20px;height:2px;background:var(--ink);position:relative;content:"";
}
.nav-toggle span::before{position:absolute;top:-6px}
.nav-toggle span::after{position:absolute;top:6px}
.mega{
  position:absolute;
  top:calc(100% + 4px);
  left:-160px;
  width:800px;
  padding:26px;
  display:grid;
  grid-template-columns:1.05fr .9fr .9fr;
  gap:26px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:0 22px 48px rgba(23,33,31,.12);
  opacity:0;
  visibility:hidden;
  transform:translateY(6px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease);
}
.mega-parent:hover .mega,.mega-parent:focus-within .mega,.mega-parent.open .mega{
  opacity:1;visibility:visible;transform:translateY(0);
}
.mega h4{font-family:var(--sans);font-size:13px;color:var(--muted);letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px}
.mega-links li + li{border-top:1px solid var(--line)}
.mega-links a{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:9px 0;color:var(--ink);font-size:14px;font-weight:700;
}
.mega-links a span{color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}
.mega-links a:hover{color:var(--accent);padding-left:4px}
.mega-list li{padding:8px 0;border-top:1px solid var(--line)}
.mega-list time{display:block;color:var(--accent);font-size:12px;margin-bottom:2px}
.mega-list a{color:var(--ink);font-size:14px;line-height:1.6}
.mega-list a:hover{color:var(--accent)}
.mega-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper)}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.mega-card-body{padding:14px}
.mega-card-body strong{display:block;font-family:var(--serif);font-size:18px}
.mega-card-body p{font-size:13px;line-height:1.7;color:var(--muted);margin:6px 0 10px}

/* Page hero */
.page-hero{
  position:relative;
  padding:74px 0 64px;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(90deg,rgba(246,241,231,.96) 0%,rgba(246,241,231,.9) 52%,rgba(246,241,231,.66) 100%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(23,33,31,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(23,33,31,.035) 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.55),transparent 80%);
}
.page-hero .wrap{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:48px;align-items:end}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:18px;color:var(--muted);font-size:13px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--ink);font-weight:700}
.page-hero h1{max-width:820px;font-size:clamp(36px,4.4vw,56px);line-height:1.16;margin-bottom:18px}
.hero-lead{max-width:680px;color:var(--muted);font-size:17px;line-height:1.9;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:24px;
}
.hero-side-card h2{font-size:20px;font-family:var(--sans);margin-bottom:12px}
.hero-side-list{display:grid;gap:0}
.hero-side-list li{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.hero-side-list li:first-child{border-top:0;padding-top:0}
.hero-side-list b{color:var(--ink);font-weight:700}
.metric-strip{
  margin-top:40px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.metric-item{padding:20px 22px;border-left:1px solid var(--line)}
.metric-item:first-child{border-left:0}
.metric-item span{display:block;font-size:12px;color:var(--muted);letter-spacing:.08em;margin-bottom:6px}
.metric-item strong{display:block;font-family:var(--serif);font-size:21px;line-height:1.3}
.metric-item em{font-style:normal;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}

/* Cases */
.cases-section{background:var(--paper)}
.case-index{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.case-index a{display:inline-flex;align-items:center;min-height:34px;padding:4px 12px;border:1px solid var(--line);border-radius:2px;font-size:13px;font-weight:700;color:var(--muted);background:var(--card)}
.case-index a:hover,.case-index a.is-current{border-color:var(--accent);color:var(--accent);background:rgba(201,111,74,.05)}
.case-list{border-top:1px solid var(--line)}
.case-row{
  display:grid;
  grid-template-columns:190px minmax(0,1fr) 280px;
  gap:26px;
  align-items:center;
  padding:26px 0;
  border-bottom:1px solid var(--line);
  transition:background-color .2s var(--ease),padding .2s var(--ease);
}
.case-row:hover{background:var(--soft);padding-left:14px;padding-right:14px}
.case-thumb{overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);background:var(--card)}
.case-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s var(--ease)}
.case-row:hover .case-thumb img{transform:scale(1.03)}
.case-info .case-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:9px}
.case-info h3{font-size:22px;margin-bottom:8px}
.case-info p{color:var(--muted);font-size:15px;line-height:1.75;margin-bottom:10px}
.case-info .link-arrow{font-size:14px}
.case-metrics{display:grid;grid-template-columns:1fr;gap:0;border-left:1px solid var(--line);padding-left:22px}
.case-metric{display:flex;justify-content:space-between;gap:14px;padding:8px 0;border-top:1px dashed rgba(216,208,194,.8);font-size:13px}
.case-metric:first-child{border-top:0;padding-top:0}
.case-metric span{color:var(--muted)}
.case-metric b{color:var(--ink);font-weight:700;white-space:nowrap}
.case-note{margin-top:18px;color:var(--muted);font-size:13px}

/* Support */
.support-section{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.support-grid{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:64px;align-items:start}
.support-intro{position:sticky;top:104px}
.support-intro h2{margin-bottom:16px}
.support-intro p{color:var(--muted);margin-bottom:18px}
.support-contact-box{border:1px solid var(--line);background:var(--paper);border-radius:var(--radius);padding:20px}
.support-contact-box strong{display:block;font-family:var(--serif);font-size:19px;margin-bottom:6px}
.support-contact-box p{font-size:14px;color:var(--muted);margin-bottom:12px}
.process-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.process-step{padding:24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;background:var(--card);transition:background-color .2s var(--ease)}
.process-step:hover{background:var(--soft)}
.step-num{
  display:inline-grid;place-items:center;
  width:38px;height:38px;
  border:1px solid var(--accent);
  border-radius:2px;
  color:var(--accent);
  font-family:var(--serif);
  font-size:15px;
  margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.process-step h3{font-size:20px;margin-bottom:8px}
.process-step p{font-size:14px;color:var(--muted);line-height:1.75;margin:0}
.documents{margin-top:46px}
.documents h3{font-size:24px;margin-bottom:16px}
.doc-list{border-top:1px solid var(--line)}
.doc-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto auto;
  gap:18px;
  align-items:center;
  padding:15px 10px;
  border-bottom:1px solid var(--line);
  transition:background-color .2s var(--ease);
}
.doc-row:hover{background:var(--soft)}
.doc-title{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px}
.doc-title::before{content:"";width:6px;height:6px;background:var(--accent);border-radius:1px;flex:0 0 auto}
.doc-date{font-size:13px;color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}
.doc-link{font-size:13px;font-weight:700;white-space:nowrap;text-decoration:underline;text-underline-offset:4px}
.doc-link:hover{color:var(--accent)}

/* FAQ */
.faq-section{background:var(--paper)}
.faq-grid{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:64px;align-items:start}
.faq-intro{position:sticky;top:104px}
.faq-intro h2{margin-bottom:14px}
.faq-intro p{color:var(--muted);max-width:38ch}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:64px;
  padding:16px 8px;
  cursor:pointer;
  font-weight:700;
  transition:background-color .2s var(--ease),padding .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--soft);padding-left:14px;padding-right:14px}
.faq-item summary::after{
  content:"+";
  width:28px;height:28px;
  display:grid;place-items:center;
  border:1px solid var(--line);
  border-radius:2px;
  color:var(--accent);
  font-family:var(--sans);
  font-size:20px;
  line-height:1;
  flex:0 0 auto;
  transition:transform .2s var(--ease),background-color .2s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg);background:var(--soft)}
.faq-answer{padding:0 8px 20px;color:var(--muted);font-size:15px;line-height:1.85}
.faq-answer p{margin:0}

/* Contact */
.contact-section{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.contact-grid{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:64px;align-items:start}
.contact-copy h2{margin-bottom:16px}
.contact-copy p{color:var(--muted);margin-bottom:20px}
.contact-detail{display:grid;gap:0;border-top:1px solid var(--line);margin-bottom:24px}
.contact-detail li{display:flex;justify-content:space-between;gap:20px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.contact-detail span{color:var(--muted)}
.contact-detail b{font-weight:700;text-align:right}
.contact-note{font-size:13px;color:var(--muted);border-left:3px solid var(--accent);padding-left:12px}
.contact-form{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:14px;font-weight:700;color:var(--ink)}
.form-field input,.form-field select,.form-field textarea{
  width:100%;
  min-height:46px;
  padding:10px 12px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--card);
  color:var(--ink);
  font-size:15px;
  line-height:1.5;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.form-field textarea{min-height:118px;resize:vertical}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(201,111,74,.22);
  background:#fff;
}
.form-check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);line-height:1.7}
.form-check input{margin-top:4px;width:16px;height:16px;accent-color:var(--primary)}
.form-submit{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.form-submit .btn{min-width:150px}
.form-hint{font-size:12px;color:var(--muted)}

/* CTA */
.cta-section{padding:0 0 96px}
.cta-band{
  background:var(--primary);
  color:#FFFDF8;
  border-radius:var(--radius);
  padding:44px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  box-shadow:var(--shadow);
}
.cta-band h2{color:#FFFDF8;font-size:clamp(26px,3vw,38px);margin-bottom:8px}
.cta-band p{color:rgba(255,253,248,.78);margin:0;max-width:56ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}

/* Footer */
.site-footer{background:#17211F;color:#F6F1E7;border-top:1px solid rgba(246,241,231,.14);padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr .7fr .7fr 1fr;gap:42px}
.footer-brand .logo{color:#FFFDF8;margin-bottom:18px}
.footer-brand .logo:hover{color:#FFFDF8}
.footer-brand .logo-mark{background:var(--paper);color:var(--primary)}
.footer-brand .logo-text em{color:rgba(246,241,231,.62)}
.footer-brand p{color:rgba(246,241,231,.7);font-size:14px;line-height:1.85;max-width:42ch;margin:0}
.footer-col h4{font-family:var(--sans);font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:rgba(246,241,231,.55);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(246,241,231,.82);font-size:14px}
.footer-col a:hover{color:var(--accent-soft)}
.footer-contact li{color:rgba(246,241,231,.7);font-size:14px;line-height:1.7}
.footer-contact b{display:block;color:rgba(246,241,231,.95);font-weight:700;margin-bottom:2px}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  margin-top:42px;
  padding-top:20px;
  border-top:1px solid rgba(246,241,231,.14);
  color:rgba(246,241,231,.58);
  font-size:13px;
}

@media (max-width:1199px){
  .mega{left:-220px;width:760px}
  .case-row{grid-template-columns:170px minmax(0,1fr) 250px;gap:22px}
  .support-grid,.faq-grid,.contact-grid{gap:44px}
  .footer-grid{grid-template-columns:1.3fr .7fr .7fr 1fr;gap:30px}
}
@media (max-width:959px){
  .wrap{width:min(100% - 36px,100%)}
  .section{padding:72px 0}
  .nav-wrap{min-height:64px;gap:16px}
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:14px 18px 20px;
    background:var(--card);
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 40px rgba(23,33,31,.12);
  }
  .main-nav.is-open{display:flex}
  .nav-item{border-bottom:1px solid var(--line)}
  .nav-link{width:100%;justify-content:space-between;padding:14px 4px;min-height:48px}
  .nav-link::after{left:4px;right:auto;width:28px;bottom:8px}
  .nav-cta{margin:14px 0 0;justify-content:center;min-height:46px}
  .mega{
    position:static;
    width:auto;
    display:none;
    grid-template-columns:1fr;
    gap:20px;
    margin:0 0 14px;
    padding:16px;
    box-shadow:none;
    opacity:1;
    visibility:visible;
    transform:none;
  }
  .mega-parent.open .mega{display:grid}
  .mega-parent:hover .mega{display:none}
  .mega-parent.open:hover .mega{display:grid}
  .mega-card img{aspect-ratio:16/7}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-side-card{max-width:640px}
  .metric-strip{grid-template-columns:1fr 1fr}
  .metric-item:nth-child(3){border-left:0}
  .metric-item:nth-child(n+3){border-top:1px solid var(--line)}
  .case-row{grid-template-columns:150px minmax(0,1fr);gap:20px;align-items:start}
  .case-metrics{grid-column:2;grid-template-columns:1fr 1fr;border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:10px;margin-top:4px}
  .case-metric{border-top:0;padding:4px 0}
  .case-row:hover{padding-left:10px;padding-right:10px}
  .support-grid,.faq-grid,.contact-grid{grid-template-columns:1fr;gap:34px}
  .support-intro,.faq-intro{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band{padding:36px;align-items:flex-start;flex-direction:column}
  .cta-actions{width:100%}
}
@media (max-width:639px){
  body{font-size:16px;line-height:1.85}
  .wrap{width:calc(100% - 32px)}
  .section{padding:56px 0}
  .logo-text strong{font-size:18px}
  .logo-text em{font-size:10px}
  .page-hero{padding:50px 0 44px;background:linear-gradient(180deg,rgba(246,241,231,.96),rgba(246,241,231,.9)),url('/assets/images/backpic/back-3.webp') center/cover no-repeat}
  h1,.page-hero h1{font-size:clamp(30px,9vw,42px)}
  h2{font-size:clamp(25px,7.4vw,33px)}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .metric-strip{grid-template-columns:1fr;margin-top:28px}
  .metric-item{border-left:0;border-top:1px solid var(--line)}
  .metric-item:first-child{border-top:0}
  .section-head{grid-template-columns:1fr;gap:16px;margin-bottom:28px}
  .case-row{grid-template-columns:1fr;padding:22px 0}
  .case-row:hover{padding-left:0;padding-right:0;background:transparent}
  .case-thumb img{aspect-ratio:16/10}
  .case-metrics{grid-column:1;grid-template-columns:1fr 1fr}
  .case-info h3{font-size:21px}
  .process-grid{grid-template-columns:1fr}
  .doc-row{grid-template-columns:1fr auto;gap:8px 12px;padding:14px 4px}
  .doc-date{grid-column:1;font-size:12px}
  .doc-link{grid-column:2;grid-row:1/3;align-self:center}
  .form-grid{grid-template-columns:1fr}
  .contact-form{padding:20px}
  .form-submit .btn{width:100%}
  .form-submit{flex-direction:column;align-items:stretch}
  .cta-section{padding-bottom:56px}
  .cta-band{padding:30px 24px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .site-footer{padding-top:48px}
  .footer-bottom{flex-direction:column;gap:8px}
  .mega{width:100%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;animation-iteration-count:1 !important}
  .btn:hover,.case-row:hover .case-thumb img{transform:none}
}