/* roulang page: index */
:root{
  --ink:#0E2A2B;
  --ink-deep:#0B0F12;
  --gold:#C8A25A;
  --gold-soft:#FBF6EA;
  --teal:#18A999;
  --bg:#F7F6F2;
  --bg-2:#EFEDE7;
  --surface:#FFFDF8;
  --text:#1A1D1F;
  --muted:#5D646A;
  --inv:#FBF9F4;
  --line:rgba(16,20,24,.12);
  --line-strong:rgba(16,20,24,.2);
  --r-btn:10px;
  --r-card:14px;
  --r-modal:18px;
  --r-img:12px;
  --shadow-card:0 1px 2px rgba(16,20,24,.04),0 10px 30px rgba(14,42,43,.07);
  --shadow-hover:0 14px 40px rgba(14,42,43,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:"HarmonyOS Sans SC","MiSans","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-num:"Barlow Condensed","DIN Alternate","HarmonyOS Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color 220ms var(--ease)}
a:hover{color:var(--gold)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em}
p{margin:0}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
.container-xl{max-width:1200px;padding-left:22px;padding-right:22px;margin:0 auto}
.section{padding:104px 0}
.section-tight{padding:72px 0}
.section-alt{background:var(--bg-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;letter-spacing:.06em;color:var(--gold);
  font-weight:600;margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold);display:inline-block}
.sec-title{
  font-size:clamp(1.75rem,3vw,2.6rem);
  line-height:1.2;
  margin-bottom:18px;
}
.sec-lead{color:var(--muted);font-size:16.5px;max-width:720px;line-height:1.9}
.gold-rule{height:1px;background:var(--gold);opacity:.5;border:0;margin:0}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  transition:box-shadow 220ms var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(14,42,43,.08)}
.site-nav{min-height:76px;padding:0;display:flex;align-items:center;flex-wrap:nowrap;gap:18px}
.brand{display:flex;align-items:center;gap:11px;padding:0;margin:0;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--ink);display:grid;place-items:center;flex:0 0 auto;
}
.brand-mark svg{width:21px;height:21px;display:block}
.brand-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.brand:hover .brand-text{color:var(--ink)}
.channel-nav{display:flex;align-items:center;gap:6px;margin:0}
.channel-nav .nav-link{
  position:relative;display:block;padding:8px 0;margin:0 14px;
  font-size:15px;font-weight:500;color:var(--text);white-space:nowrap;
  transition:color 220ms var(--ease);
}
.channel-nav .nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--gold);transform:scaleX(0);transform-origin:left;
  transition:transform 260ms var(--ease);
}
.channel-nav .nav-link:hover{color:var(--ink)}
.channel-nav .nav-link:hover::after{transform:scaleX(1)}
.channel-nav .nav-link.active{color:var(--ink);font-weight:600}
.channel-nav .nav-link.active::before{
  content:"";position:absolute;left:-11px;top:50%;width:5px;height:5px;
  margin-top:-2px;border-radius:50%;background:var(--teal);
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.nav-search{position:relative;width:244px}
.nav-search input{
  width:100%;height:42px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:var(--surface);
  padding:0 40px 0 15px;font-size:14px;color:var(--text);
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.nav-search input::placeholder{color:#8B9199}
.nav-search input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(200,162,90,.16)}
.nav-search .search-icon{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  color:var(--muted);font-size:13px;pointer-events:none;
}
.btn-text-link{
  font-size:15px;font-weight:500;color:var(--text);padding:8px 6px;white-space:nowrap;
}
.btn-text-link:hover{color:var(--gold)}
.btn-ink{
  display:inline-flex;align-items:center;gap:9px;
  background:var(--ink);color:var(--inv);
  border:1px solid var(--ink);border-radius:var(--r-btn);
  padding:12px 24px;font-size:15px;font-weight:600;line-height:1.2;
  transition:background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease),box-shadow 220ms var(--ease);
  white-space:nowrap;
}
.btn-ink:hover{background:var(--gold);border-color:var(--gold);color:var(--ink);transform:translateY(-2px);box-shadow:0 10px 24px rgba(200,162,90,.26)}
.btn-ink i{transition:transform 220ms var(--ease)}
.btn-ink:hover i{transform:translateX(4px)}
.btn-gold{
  display:inline-flex;align-items:center;gap:9px;
  background:var(--gold);color:var(--ink);
  border:1px solid var(--gold);border-radius:var(--r-btn);
  padding:12px 24px;font-size:15px;font-weight:600;line-height:1.2;
  transition:background 220ms var(--ease),color 220ms var(--ease),transform 220ms var(--ease);
  white-space:nowrap;
}
.btn-gold:hover{background:var(--ink);border-color:var(--ink);color:var(--inv);transform:translateY(-2px)}
.btn-gold i{transition:transform 220ms var(--ease)}
.btn-gold:hover i{transform:translateX(4px)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;
  background:transparent;color:var(--ink);
  border:1px solid var(--line-strong);border-radius:var(--r-btn);
  padding:12px 24px;font-size:15px;font-weight:600;line-height:1.2;
  transition:border-color 220ms var(--ease),color 220ms var(--ease),transform 220ms var(--ease),background 220ms var(--ease);
  white-space:nowrap;
}
.btn-ghost:hover{border-color:var(--gold);color:var(--ink);background:var(--gold-soft);transform:translateY(-2px)}
.custom-toggler{
  width:46px;height:42px;border:1px solid var(--line);border-radius:var(--r-btn);
  display:none;place-items:center;background:var(--surface);margin-left:auto;
}
.custom-toggler span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:background 200ms var(--ease)}
.custom-toggler span::before,.custom-toggler span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform 220ms var(--ease);
}
.custom-toggler span::before{top:-6px}
.custom-toggler span::after{top:6px}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:88px 0 78px;
  background:linear-gradient(180deg,#FBF9F4 0%,var(--bg) 62%);
  border-bottom:1px solid var(--gold);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(14,42,43,.075) 1px,transparent 1px);
  background-size:26px 26px;opacity:.55;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,162,90,.14),transparent 66%);pointer-events:none;
}
.hero .container-xl{position:relative;z-index:2}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--gold-soft);border:1px solid rgba(200,162,90,.34);
  color:#8A6B2A;font-size:13.5px;font-weight:600;letter-spacing:.03em;
  padding:7px 15px;border-radius:999px;margin-bottom:24px;
}
.hero-title{
  font-family:var(--font-serif);
  font-size:clamp(2.6rem,5.2vw,5rem);
  line-height:1.08;letter-spacing:-.02em;font-weight:700;
  margin-bottom:24px;
}
.hero-lead{font-size:17.5px;color:#454B50;line-height:1.92;max-width:620px;margin-bottom:34px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 28px;border-top:1px solid var(--line);padding-top:24px}
.hero-points li{display:flex;align-items:center;gap:9px;font-size:14.5px;color:var(--muted)}
.hero-points i{color:var(--teal);font-size:13px}
.hero-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card)}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform 700ms var(--ease)}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,42,43,.10),rgba(14,42,43,.20));
}
.hero-media:hover img{transform:scale(1.02)}
.hero-media figcaption{
  position:absolute;left:18px;bottom:16px;z-index:2;
  background:rgba(11,15,18,.72);color:var(--inv);
  font-size:13px;padding:7px 14px;border-radius:8px;backdrop-filter:blur(3px);
}

/* ---------- pain ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;margin-top:46px}
.pain-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 30px 26px;box-shadow:var(--shadow-card);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.pain-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(200,162,90,.45)}
.pain-index{
  font-family:var(--font-num);font-size:15px;font-weight:700;color:var(--gold);
  letter-spacing:.08em;margin-bottom:14px;display:block;
}
.pain-item h3{font-size:1.28rem;line-height:1.45;margin-bottom:12px}
.pain-item p{color:var(--muted);font-size:15.5px;line-height:1.85}
.pain-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  font-size:14.5px;font-weight:600;color:var(--ink);
}
.pain-link i{font-size:12px;transition:transform 220ms var(--ease)}
.pain-link:hover{color:var(--gold)}
.pain-link:hover i{transform:translateX(4px)}

/* ---------- solutions ---------- */
.sol-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-card);position:relative;height:100%;
  display:flex;flex-direction:column;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.sol-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--gold);
  transform:scaleY(0);transform-origin:top;transition:transform 260ms var(--ease);z-index:3;
}
.sol-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.sol-card:hover::before{transform:scaleY(1)}
.sol-cover{position:relative;overflow:hidden}
.sol-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 600ms var(--ease)}
.sol-card:hover .sol-cover img{transform:scale(1.03)}
.sol-body{padding:26px 28px 28px;display:flex;flex-direction:column;flex:1}
.sol-num{font-family:var(--font-num);font-size:15px;font-weight:700;color:var(--gold);letter-spacing:.1em;margin-bottom:10px}
.sol-body h3{font-size:1.34rem;margin-bottom:12px}
.sol-body p{color:var(--muted);font-size:15.3px;line-height:1.85}
.sol-list{margin:16px 0 20px;display:grid;gap:9px}
.sol-list li{display:flex;gap:10px;font-size:14.6px;color:#41474C;line-height:1.75}
.sol-list li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--teal);margin-top:9px;flex:0 0 auto}
.sol-cta{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  font-size:14.6px;font-weight:600;color:var(--ink);border-top:1px solid var(--line);padding-top:16px;
}
.sol-cta i{font-size:12px;transition:transform 220ms var(--ease)}
.sol-cta:hover{color:var(--gold)}
.sol-cta:hover i{transform:translateX(4px)}
.sol-stack{display:grid;gap:26px;height:100%}

/* ---------- stats ---------- */
.stats{background:var(--ink);color:var(--inv);padding:74px 0;position:relative;overflow:hidden}
.stats::after{
  content:"";position:absolute;left:-80px;bottom:-140px;width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,162,90,.16),transparent 68%);pointer-events:none;
}
.stats .container-xl{position:relative;z-index:2}
.stats-title{color:var(--inv);font-size:1.55rem;margin-bottom:8px}
.stats-sub{color:rgba(251,249,244,.68);font-size:15px;margin-bottom:44px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.stat-num{
  font-family:var(--font-num);font-size:clamp(2.4rem,3.6vw,3.4rem);
  font-weight:700;color:var(--gold);line-height:1;letter-spacing:-.01em;
}
.stat-num span{font-size:.5em;margin-left:3px;font-weight:600}
.stat-label{font-size:15px;color:rgba(251,249,244,.7);margin-top:14px}
.stat-desc{font-size:13.5px;color:rgba(251,249,244,.5);margin-top:6px;line-height:1.7}
.stat-item{border-left:1px solid rgba(251,249,244,.16);padding-left:22px}
.stat-item:first-child{border-left:0;padding-left:0}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-modal);
  padding:44px 46px;box-shadow:var(--shadow-card);
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:10px}
.cta-band p{color:var(--muted);font-size:15.5px;max-width:620px}

/* ---------- privacy ---------- */
.privacy-box{
  background:var(--gold-soft);border:1px solid rgba(200,162,90,.3);
  border-radius:var(--r-card);padding:34px 36px;
}
.privacy-box h2{font-size:1.32rem;margin-bottom:16px}
.privacy-list{display:grid;gap:12px}
.privacy-list li{display:flex;gap:11px;font-size:14.8px;color:#454B50;line-height:1.8}
.privacy-list li i{color:var(--gold);font-size:13px;margin-top:8px;flex:0 0 auto}

/* ---------- news ---------- */
.news-layout{display:grid;grid-template-columns:1.08fr 1fr;gap:34px;margin-top:46px}
.news-feature{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.news-feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.news-feature-cover{overflow:hidden}
.news-feature-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 600ms var(--ease)}
.news-feature:hover .news-feature-cover img{transform:scale(1.03)}
.news-feature-body{padding:26px 28px 30px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:13px}
.badge-cat{
  display:inline-block;background:var(--gold-soft);color:#8A6B2A;
  border:1px solid rgba(200,162,90,.34);border-radius:999px;
  font-size:12.5px;font-weight:600;padding:3px 11px;line-height:1.7;
}
.news-time{font-size:13px;color:var(--muted)}
.news-feature h3{font-size:1.42rem;line-height:1.45;margin-bottom:12px}
.news-feature p{color:var(--muted);font-size:15.3px;line-height:1.85}
.xp-news-body{min-height:193px}
.news-more{
  margin-top:auto;padding-top:18px;border-top:1px solid var(--line);
  display:inline-flex;align-items:center;gap:8px;font-size:14.6px;font-weight:600;color:var(--ink);
}
.news-more i{font-size:12px;transition:transform 220ms var(--ease)}
.news-feature:hover .news-more{color:var(--gold)}
.news-feature:hover .news-more i{transform:translateX(4px)}
.news-list{display:grid;gap:16px;align-content:start}
.news-row{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;display:flex;gap:18px;align-items:center;box-shadow:0 1px 2px rgba(16,20,24,.03);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.news-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(200,162,90,.4)}
.news-thumb{width:118px;flex:0 0 auto;border-radius:10px;overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-row-body{min-width:0}
.news-row h3{
  font-size:1.02rem;line-height:1.5;margin-bottom:7px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-row:hover h3{color:var(--gold)}
.news-row p{
  font-size:13.6px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-empty{
  grid-column:1/-1;background:var(--surface);border:1px dashed var(--line-strong);
  border-radius:var(--r-card);padding:56px 30px;text-align:center;
}
.news-empty i{font-size:30px;color:var(--gold);margin-bottom:16px;display:block}
.news-empty p{color:var(--muted);font-size:15.3px;margin-bottom:20px}

/* ---------- channels ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;margin-top:46px;position:relative}
.channel-grid::before{
  content:"";position:absolute;left:50%;top:46px;width:1px;height:60px;
  background:linear-gradient(180deg,transparent,var(--gold),transparent);opacity:.5;
}
.channel-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.channel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.channel-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 600ms var(--ease)}
.channel-cover{overflow:hidden}
.channel-card:hover .channel-cover img{transform:scale(1.03)}
.channel-body{padding:28px 30px 30px;display:flex;flex-direction:column;flex:1}
.channel-body h3{font-size:1.42rem;margin-bottom:12px}
.channel-body p{color:var(--muted);font-size:15.3px;line-height:1.85}
.channel-tags{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 20px}
.tag{
  font-size:12.8px;color:#4B5157;background:var(--bg-2);
  border-radius:999px;padding:4px 12px;line-height:1.7;
}
.channel-cta{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  font-size:14.8px;font-weight:600;color:var(--ink);
}
.channel-cta i{font-size:12px;transition:transform 220ms var(--ease)}
.channel-card:hover .channel-cta{color:var(--gold)}
.channel-card:hover .channel-cta i{transform:translateX(4px)}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;margin:46px auto 0}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:14px;overflow:hidden;transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.faq-item.is-open{border-color:rgba(200,162,90,.5);box-shadow:var(--shadow-card)}
.faq-q{
  width:100%;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;font-size:17px;font-weight:600;color:var(--ink);background:transparent;
}
.faq-q:hover{color:var(--gold)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line-strong);display:grid;place-items:center;
  color:var(--ink);font-size:12px;transition:transform 260ms var(--ease),border-color 220ms var(--ease),background 220ms var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);border-color:var(--gold);background:var(--gold-soft);color:#8A6B2A}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 320ms var(--ease);
  border-left:3px solid transparent;
}
.faq-item.is-open .faq-a{border-left-color:var(--gold)}
.faq-a-inner{padding:0 26px 24px;color:var(--muted);font-size:15.5px;line-height:1.9}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--inv);padding:76px 0 0;position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;right:-100px;top:-100px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,162,90,.12),transparent 70%);pointer-events:none;
}
.site-footer .container-xl{position:relative;z-index:2}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px;padding-bottom:52px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.footer-brand .brand-mark{background:rgba(251,249,244,.1)}
.footer-brand span{font-size:17.5px;font-weight:700;color:var(--inv)}
.footer-desc{font-size:14.6px;color:rgba(251,249,244,.66);line-height:1.9;max-width:330px}
.footer-col h4{color:var(--inv);font-size:15px;font-weight:600;margin-bottom:18px;letter-spacing:.02em}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14.5px;color:rgba(251,249,244,.7)}
.footer-col a:hover{color:var(--gold)}
.footer-contact{font-size:14.5px;color:rgba(251,249,244,.7);line-height:1.9}
.footer-contact strong{display:block;color:var(--inv);font-weight:600;margin-bottom:6px;font-size:14.5px}
.footer-bottom{
  border-top:1px solid rgba(251,249,244,.14);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.4px;color:rgba(251,249,244,.55);
}
.footer-bottom a{color:rgba(251,249,244,.55)}
.footer-bottom a:hover{color:var(--gold)}

/* ---------- modal ---------- */
.modal-plan .modal-content{
  border:none;border-radius:var(--r-modal);overflow:hidden;
  box-shadow:0 30px 80px rgba(11,15,18,.3);
}
.modal-plan .modal-header{
  background:var(--ink-deep);border:0;padding:22px 28px;
}
.modal-plan .modal-title{color:var(--inv);font-size:1.24rem}
.modal-plan .btn-close{filter:invert(1) grayscale(1);opacity:.7}
.modal-plan .btn-close:hover{opacity:1}
.modal-plan .modal-body{padding:28px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field .form-control,.field .form-select{
  width:100%;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:12px 14px;font-size:15px;background:var(--surface);color:var(--text);
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.field .form-control:focus,.field .form-select:focus{
  outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(24,169,153,.14);
}
.field textarea.form-control{min-height:104px;resize:vertical;line-height:1.8}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:13.4px;color:var(--muted);line-height:1.75;margin:6px 0 20px}
.agree input{margin-top:4px;width:16px;height:16px;accent-color:var(--ink);flex:0 0 auto}
.modal-foot-note{font-size:12.8px;color:#8B9199;line-height:1.75;margin-top:16px}
.modal-plan .btn-ink{width:100%;justify-content:center;padding:14px 24px}

/* ---------- floating ---------- */
.float-cta{
  position:fixed;right:26px;bottom:28px;z-index:1035;
  box-shadow:0 14px 34px rgba(14,42,43,.26);
}
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1036;
  background:var(--ink);padding:10px 16px;display:none;
  align-items:center;justify-content:space-between;gap:12px;
  box-shadow:0 -6px 20px rgba(11,15,18,.24);
}
.sticky-bar span{color:var(--inv);font-size:14px;font-weight:500}
.sticky-bar .btn-gold{padding:10px 18px;font-size:14.5px}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .nav-search{width:210px}
  .channel-nav .nav-link{margin:0 10px}
}
@media (max-width:991.98px){
  .site-nav{flex-wrap:wrap;padding:12px 0;min-height:70px}
  .custom-toggler{display:grid}
  .channel-nav{display:block;width:100%;margin:0}
  .navbar-collapse{
    flex-basis:100%;width:100%;
    border-top:1px solid var(--line);margin-top:12px;padding-top:10px;
  }
  .navbar-collapse:not(.show){display:none}
  .channel-nav .nav-link{margin:0;padding:0;line-height:48px;border-bottom:1px solid var(--line);font-size:15.5px}
  .channel-nav .nav-link::after{display:none}
  .channel-nav .nav-link.active::before{display:none}
  .channel-nav .nav-link.active{color:var(--gold)}
  .nav-right{width:100%;flex-direction:column;align-items:stretch;gap:10px;margin:14px 0 6px}
  .nav-search{width:100%}
  .nav-right .btn-ink,.nav-right .btn-gold{width:100%;justify-content:center}
  .btn-text-link{text-align:left}
  .hero{padding:64px 0 56px}
  .hero-media{margin-top:38px}
  .section{padding:76px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .stat-item:nth-child(3){border-left:0;padding-left:0}
  .news-layout{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr}
  .channel-grid::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:34px 28px}
  .float-cta{display:none}
  .sticky-bar{display:flex}
  body{padding-bottom:64px}
}
@media (max-width:767.98px){
  body{font-size:16.5px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .hero{padding:48px 0 44px}
  .hero-title{font-size:clamp(2.1rem,8vw,2.8rem)}
  .hero-actions .btn-ink,.hero-actions .btn-gold,.hero-actions .btn-ghost{width:100%;justify-content:center}
  .pain-grid{grid-template-columns:1fr;gap:18px;margin-top:34px}
  .pain-item{padding:24px 22px}
  .sol-body{padding:22px}
  .news-row{flex-direction:column;align-items:flex-start;padding:16px}
  .news-thumb{width:100%}
  .news-feature-body{padding:22px}
  .channel-body{padding:22px}
  .cta-band{padding:28px 22px;flex-direction:column;align-items:flex-start}
  .cta-band .btn-ink,.cta-band .btn-gold{width:100%;justify-content:center}
  .privacy-box{padding:26px 22px}
  .faq-q{padding:18px 20px;font-size:16px}
  .faq-a-inner{padding:0 20px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left}
  .stats{padding:56px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:26px 18px}
  .stat-item{padding-left:16px}
  .stat-item:nth-child(odd){border-left:0;padding-left:0}
}
@media (max-width:575.98px){
  .container-xl{padding-left:16px;padding-right:16px}
  .stats-grid{grid-template-columns:1fr;gap:24px}
  .stat-item{border-left:0;padding-left:0;border-top:1px solid rgba(251,249,244,.16);padding-top:20px}
  .stat-item:first-child{border-top:0;padding-top:0}
  .brand-text{font-size:16.5px}
  .hero-media img{aspect-ratio:4/3}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --ink:#0E2A2B;
  --ink-deep:#0B0F12;
  --gold:#C8A25A;
  --gold-soft:#FBF6EA;
  --teal:#18A999;
  --bg:#F7F6F2;
  --bg-2:#EFEDE7;
  --paper:#FFFDF8;
  --text:#1A1D1F;
  --muted:#5D646A;
  --white:#FBF9F4;
  --line:rgba(16,20,24,.12);
  --line-strong:rgba(16,20,24,.2);
  --r-btn:10px;
  --r-card:14px;
  --r-modal:18px;
  --r-img:12px;
  --sh-card:0 1px 2px rgba(16,20,24,.04),0 10px 30px rgba(14,42,43,.07);
  --sh-hover:0 14px 40px rgba(14,42,43,.12);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
  --font-sans:"HarmonyOS Sans SC","MiSans","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease)}
a:hover{color:var(--teal)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.container-xl{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--gold);font-weight:600;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold)}
.sec-title{font-family:var(--font-serif);font-size:clamp(1.75rem,3vw,2.6rem);letter-spacing:-.02em}
.sec-sub{color:var(--muted);font-size:16px;margin-top:14px;max-width:720px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(14,42,43,.08)}
.site-nav{display:flex;align-items:center;gap:28px;min-height:76px;padding:0}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{display:inline-flex;width:32px;height:32px}
.brand-mark svg{width:32px;height:32px}
.brand-text{font-size:18px;font-weight:700;letter-spacing:.01em;color:var(--ink)}
.brand:hover .brand-text{color:var(--ink)}
.channel-nav{display:flex;align-items:center;gap:28px;margin:0 auto 0 8px}
.channel-nav .nav-link{
  position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--text);
}
.channel-nav .nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--gold);
  transition:width var(--ease);
}
.channel-nav .nav-link:hover{color:var(--ink)}
.channel-nav .nav-link:hover::after{width:100%}
.channel-nav .nav-link.active{color:var(--ink);font-weight:700}
.channel-nav .nav-link.active::after{width:100%}
.nav-right{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.nav-search{position:relative}
.nav-search input{
  width:240px;height:42px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;padding:0 40px 0 14px;font-size:14px;color:var(--text);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search input::placeholder{color:#9aa1a6}
.nav-search input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(200,162,90,.16)}
.nav-search .search-icon{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:13px}
.btn-text-link{font-size:15px;font-weight:500;color:var(--text);padding:6px 2px;border-bottom:1px solid transparent}
.btn-text-link:hover{color:var(--ink);border-bottom-color:var(--gold)}
.btn-ink{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--ink);color:var(--gold);
  border:1px solid var(--ink);border-radius:var(--r-btn);
  padding:11px 20px;font-size:15px;font-weight:600;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.btn-ink i{transition:transform var(--ease)}
.btn-ink:hover{background:var(--gold);color:var(--ink);border-color:var(--gold)}
.btn-ink:hover i{transform:translateX(4px)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;color:var(--ink);
  border:1px solid var(--line-strong);border-radius:var(--r-btn);
  padding:11px 20px;font-size:15px;font-weight:600;
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.btn-ghost:hover{border-color:var(--gold);color:var(--ink);background:#fff}
.custom-toggler{
  display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);
  border-radius:var(--r-btn);background:#fff;position:relative;
}
.custom-toggler span,
.custom-toggler span::before,
.custom-toggler span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:20px;height:2px;background:var(--ink);content:"";transition:var(--ease);
}
.custom-toggler span{top:50%;margin-top:-1px}
.custom-toggler span::before{top:-6px}
.custom-toggler span::after{top:6px}
.custom-toggler[aria-expanded="true"] span{background:transparent}
.custom-toggler[aria-expanded="true"] span::before{top:0;transform:translateX(-50%) rotate(45deg)}
.custom-toggler[aria-expanded="true"] span::after{top:0;transform:translateX(-50%) rotate(-45deg)}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--bg-2);border-bottom:1px solid var(--line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:16px 0}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--gold)}
.crumb .sep{color:rgba(16,20,24,.3)}
.crumb .current{color:var(--text);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article head ---------- */
.article-hero{padding:64px 0 40px;background:var(--bg);position:relative;overflow:hidden}
.article-hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(24,169,153,.10),rgba(24,169,153,0) 68%);
  pointer-events:none;
}
.article-hero .wrap{max-width:820px}
.badge-cat{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--gold-soft);color:#8a6c2c;border:1px solid rgba(200,162,90,.35);
  border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;
}
.article-h1{
  font-family:var(--font-serif);
  font-size:clamp(2rem,4vw,3.2rem);
  line-height:1.2;letter-spacing:-.02em;
  margin:22px 0 0;color:var(--ink);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:26px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--gold);font-size:12px}

/* ---------- article body ---------- */
.article-main{padding:8px 0 96px}
.article-body{
  max-width:760px;margin:0 auto;font-size:17.5px;line-height:1.9;color:var(--text);
  word-wrap:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  position:relative;font-family:var(--font-serif);
  font-size:clamp(1.35rem,2.2vw,1.75rem);
  margin:2.4em 0 .8em;padding-left:16px;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;background:var(--gold);border-radius:2px;
}
.article-body h3{font-size:1.2rem;margin:1.8em 0 .7em;color:var(--ink)}
.article-body a{color:var(--ink);border-bottom:1px solid var(--gold)}
.article-body a:hover{color:var(--teal);border-bottom-color:var(--teal)}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;background:var(--gold-soft);
  border-left:3px solid var(--gold);border-radius:0 var(--r-card) var(--r-card) 0;color:#4a4230;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:1.2em 0;padding-left:0}
.article-body ul li,.article-body ol li{position:relative;padding-left:24px;margin-bottom:.6em}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.78em;width:7px;height:7px;
  background:var(--gold);border-radius:2px;transform:rotate(45deg);
}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.1em;
  font-size:13px;font-weight:700;color:var(--gold);
}
.article-body img{border-radius:var(--r-img);margin:1.6em auto;box-shadow:var(--sh-card)}
.article-body figure{margin:1.8em 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.8em 0;font-size:15.5px;
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:12px 16px;text-align:left}
.article-body th{background:var(--bg-2);font-weight:600;color:var(--ink)}
.article-body .table-scroll{overflow-x:auto}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.4em 0}

.article-foot{
  max-width:760px;margin:56px auto 0;padding-top:28px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 13px;
  border:1px solid var(--line);border-radius:999px;font-size:13px;color:var(--muted);background:#fff;
}
.tag:hover{border-color:var(--gold);color:var(--ink)}
.empty-state{
  max-width:760px;margin:0 auto;text-align:center;padding:72px 24px;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);
}
.empty-state i{font-size:34px;color:var(--gold)}
.empty-state h2{font-size:1.4rem;margin:20px 0 10px;color:var(--ink)}
.empty-state p{color:var(--muted);font-size:15.5px;margin-bottom:26px}

/* ---------- related ---------- */
.related{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:44px}
.rc-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rc-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(200,162,90,.5)}
.rc-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink)}
.rc-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.rc-card:hover .rc-thumb img{transform:scale(1.03)}
.rc-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.rc-tag{font-size:12.5px;font-weight:600;color:var(--gold);letter-spacing:.06em}
.rc-title{font-size:17.5px;font-weight:700;line-height:1.45;color:var(--ink)}
.rc-card:hover .rc-title{color:var(--ink)}
.rc-title span{background-image:linear-gradient(var(--gold),var(--gold));background-size:0 2px;background-repeat:no-repeat;background-position:0 100%;transition:background-size var(--ease)}
.rc-card:hover .rc-title span{background-size:100% 2px}
.rc-desc{font-size:14.5px;color:var(--muted);line-height:1.75}
.rc-meta{margin-top:auto;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:10px}
.rc-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink)}
.rc-more i{transition:transform var(--ease)}
.rc-card:hover .rc-more i{transform:translateX(4px)}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--ink);color:var(--white);border-radius:var(--r-card);
  padding:56px 48px;display:grid;grid-template-columns:1.5fr 1fr;gap:36px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,162,90,.22),rgba(200,162,90,0) 70%);
}
.cta-band h2{font-family:var(--font-serif);font-size:clamp(1.5rem,2.4vw,2.1rem);color:var(--white)}
.cta-band p{color:rgba(251,249,244,.72);margin-top:14px;font-size:15.5px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:1}
.btn-gold{
  display:inline-flex;align-items:center;gap:9px;background:var(--gold);color:var(--ink);
  border:1px solid var(--gold);border-radius:var(--r-btn);padding:12px 22px;font-size:15px;font-weight:700;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.btn-gold i{transition:transform var(--ease)}
.btn-gold:hover{background:var(--white);border-color:var(--white);color:var(--ink)}
.btn-gold:hover i{transform:translateX(4px)}
.btn-line-light{
  display:inline-flex;align-items:center;gap:9px;background:transparent;color:var(--white);
  border:1px solid rgba(251,249,244,.32);border-radius:var(--r-btn);padding:12px 22px;font-size:15px;font-weight:600;
  transition:border-color var(--ease),color var(--ease);
}
.btn-line-light:hover{border-color:var(--gold);color:var(--gold)}

/* ---------- faq ---------- */
.faq-wrap{max-width:840px;margin:44px auto 0}
.faq-item{
  background:var(--paper);border:1px solid var(--line);border-radius:12px;margin-bottom:14px;overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:rgba(200,162,90,.45)}
.faq-item.is-open{border-color:rgba(200,162,90,.55);box-shadow:var(--sh-card)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:none;text-align:left;padding:20px 22px;
  font-size:16.5px;font-weight:600;color:var(--ink);cursor:pointer;
}
.faq-q .sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--gold);font-size:13px;
  transition:transform var(--ease),background var(--ease);
}
.faq-item.is-open .faq-q .sign{transform:rotate(180deg);background:var(--gold-soft)}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--ease)}
.faq-a .inner{padding:0 22px 22px;border-left:3px solid var(--gold);margin-left:22px;padding-left:19px;color:var(--muted);font-size:15.5px}

/* ---------- modal ---------- */
.plan-modal .modal-content{
  border:none;border-radius:var(--r-modal);overflow:hidden;box-shadow:0 30px 80px rgba(11,15,18,.35);
}
.plan-modal .modal-header{background:var(--ink);color:var(--white);border:none;padding:20px 26px}
.plan-modal .modal-title{font-size:18px;font-weight:700;color:var(--white)}
.plan-modal .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.7}
.plan-modal .modal-body{padding:26px;background:#fff}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field .form-control,.field .form-select{
  border-radius:var(--r-btn);border:1px solid var(--line);padding:11px 14px;font-size:15px;
  background:#fff;transition:border-color var(--ease),box-shadow var(--ease);
}
.field .form-control:focus,.field .form-select:focus{
  border-color:var(--gold);box-shadow:0 0 0 3px rgba(200,162,90,.16);
}
.field textarea.form-control{min-height:96px;resize:vertical}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);line-height:1.6}
.agree input{margin-top:4px;accent-color:var(--gold)}
.modal-note{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--white);padding:72px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--white)}
.footer-brand .brand-mark svg{width:32px;height:32px}
.footer-desc{color:rgba(251,249,244,.66);font-size:14.5px;margin-top:16px;max-width:340px;line-height:1.8}
.footer-col h4{font-size:15px;color:var(--white);margin-bottom:18px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{color:rgba(251,249,244,.68);font-size:14.5px}
.footer-col ul li a:hover{color:var(--gold)}
.footer-contact{color:rgba(251,249,244,.66);font-size:14px;line-height:1.8}
.footer-contact strong{display:block;color:var(--white);font-size:14.5px;font-weight:600;margin-bottom:4px}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(251,249,244,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(251,249,244,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .nav-search input{width:200px}
  .channel-nav{gap:22px}
}
@media (max-width:991px){
  .site-nav{flex-wrap:wrap;min-height:68px;padding:12px 0;gap:14px}
  .custom-toggler{display:block}
  .navbar-collapse{
    flex-basis:100%;width:100%;margin-top:12px;
  }
  .channel-nav{flex-direction:column;align-items:flex-start;gap:0;margin:0;width:100%}
  .channel-nav .nav-item{width:100%;border-bottom:1px solid var(--line)}
  .channel-nav .nav-link{padding:14px 0;font-size:15.5px;line-height:1.2;display:block}
  .channel-nav .nav-link::after{display:none}
  .nav-right{flex-direction:column;align-items:stretch;width:100%;gap:12px;margin-top:14px}
  .nav-search input{width:100%}
  .btn-ink,.btn-ghost{justify-content:center;width:100%}
  .btn-text-link{text-align:center;padding:10px 0}
  .cta-band{grid-template-columns:1fr;padding:40px 28px}
  .cta-actions{justify-content:flex-start}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
}
@media (max-width:767px){
  body{font-size:16px}
  .container-xl{padding:0 18px}
  .article-hero{padding:44px 0 30px}
  .article-main{padding-bottom:72px}
  .article-body{font-size:16.5px;line-height:1.9}
  .article-body h2{margin-top:2em}
  .card-grid{grid-template-columns:1fr}
  .section{padding:56px 0}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:34px 22px;border-radius:12px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .btn-gold,.btn-line-light{justify-content:center}
  .article-foot{flex-direction:column;align-items:flex-start}
  .crumb .current{white-space:normal;max-width:100%}
}
@media (max-width:520px){
  .brand-text{font-size:16.5px}
  .article-h1{font-size:1.72rem}
  .article-meta{gap:8px 16px;font-size:13px}
  .faq-q{font-size:15.5px;padding:17px 16px}
  .faq-a .inner{margin-left:16px;padding-left:14px;padding-right:16px}
  .rc-body{padding:18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --ink:#0E2A2B;
  --ink-deep:#0B0F12;
  --gold:#C8A25A;
  --gold-soft:#FBF6EA;
  --teal:#18A999;
  --bg:#F7F6F2;
  --bg-2:#EFEDE7;
  --card:#FFFDF8;
  --text:#1A1D1F;
  --muted:#5D646A;
  --reverse:#FBF9F4;
  --line:rgba(16,20,24,.12);
  --shadow:0 1px 2px rgba(16,20,24,.04),0 10px 30px rgba(14,42,43,.07);
  --shadow-hover:0 14px 40px rgba(14,42,43,.12);
  --r-btn:10px;
  --r-card:14px;
  --r-img:12px;
  --ease:220ms cubic-bezier(.2,.7,.3,1);
  --font-sans:"HarmonyOS Sans SC","MiSans","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-num:"Barlow Condensed","DIN Alternate",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease)}
a:hover{color:var(--ink)}
button,input,select,textarea{font-family:inherit;font-size:1rem}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.container-xl{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.sec-head{margin-bottom:44px;max-width:760px}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--gold);
  font-weight:700;margin-bottom:14px;
}
.sec-kicker::before{content:"";width:26px;height:1px;background:var(--gold);display:inline-block}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);margin:0}
.sec-title{font-size:clamp(1.75rem,3vw,2.6rem);line-height:1.2;font-weight:700}
.sec-desc{color:var(--muted);margin:16px 0 0;font-size:16px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(14,42,43,.08)}
.site-nav{
  display:flex;align-items:center;justify-content:space-between;
  min-height:76px;gap:18px;padding:0;
}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--ink);white-space:nowrap}
.brand-mark{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 30px}
.brand-mark svg{width:100%;height:100%}
.brand-text{letter-spacing:.01em}
.channel-nav{display:flex;align-items:center;gap:28px;margin:0;padding:0;list-style:none;flex-direction:row}
.channel-nav .nav-link{
  position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--text);
  background:none;border:0;
}
.channel-nav .nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--gold);
  transition:width var(--ease);
}
.channel-nav .nav-link:hover::after{width:100%}
.channel-nav .nav-link.active{color:var(--ink);font-weight:700}
.channel-nav .nav-link.active::after{width:100%;background:var(--teal)}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-search{position:relative;width:240px}
.nav-search input{
  width:100%;height:42px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;padding:0 38px 0 14px;font-size:14px;color:var(--text);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search input::placeholder{color:#9aa0a5}
.nav-search input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(200,162,90,.16)}
.nav-search .search-icon{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:13px}
.btn-text-link{font-size:14px;color:var(--muted);font-weight:500}
.btn-text-link:hover{color:var(--gold)}
.btn-ink{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--ink);color:var(--gold-soft);border:1px solid var(--ink);
  border-radius:var(--r-btn);padding:10px 18px;font-size:14px;font-weight:600;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.btn-ink i{transition:transform var(--ease)}
.btn-ink:hover{background:var(--gold);color:var(--ink);border-color:var(--gold)}
.btn-ink:hover i{transform:translateX(4px)}
.custom-toggler{
  display:none;width:44px;height:42px;border:1px solid var(--line);
  border-radius:var(--r-btn);background:#fff;position:relative;
}
.custom-toggler span,
.custom-toggler span::before,
.custom-toggler span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;background:var(--ink);content:"";display:block;transition:transform var(--ease);
}
.custom-toggler span{top:20px}
.custom-toggler span::before{top:-6px}
.custom-toggler span::after{top:6px}

/* ============ 面包屑 ============ */
.crumb-bar{padding:20px 0 0;font-size:13px;color:var(--muted)}
.crumb-bar ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.crumb-bar li+li::before{content:"/";margin-right:8px;color:#a9afb4}
.crumb-bar a{color:var(--muted)}
.crumb-bar a:hover{color:var(--gold)}
.crumb-bar .current{color:var(--ink);font-weight:600}

/* ============ 分类 Hero ============ */
.cat-hero{padding:36px 0 0}
.cat-hero-inner{
  position:relative;border-radius:18px;overflow:hidden;
  background-image:linear-gradient(115deg,rgba(14,42,43,.92),rgba(14,42,43,.72)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  padding:64px 56px;color:var(--reverse);
}
.cat-hero-inner::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--gold)}
.cat-hero h1{
  color:var(--reverse);
  font-size:clamp(2rem,4.2vw,3.3rem);
  line-height:1.18;font-weight:700;letter-spacing:-.01em;max-width:820px;
}
.cat-hero .hero-sub{
  color:rgba(251,249,244,.82);max-width:680px;margin:20px 0 0;font-size:16.5px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:999px;font-size:13px;
  border:1px solid rgba(200,162,90,.5);color:var(--gold-soft);background:rgba(200,162,90,.12);
}
.hero-tools{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;align-items:center;
}
.hero-search{
  display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.1);
  border:1px solid rgba(251,249,244,.28);border-radius:var(--r-btn);
  padding:0 16px;height:48px;min-width:280px;flex:1 1 280px;max-width:420px;
}
.hero-search input{
  flex:1;background:transparent;border:0;color:var(--reverse);font-size:14px;height:100%;
}
.hero-search input::placeholder{color:rgba(251,249,244,.6)}
.hero-search input:focus{outline:none}
.hero-search i{color:var(--gold)}
.filter-chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  border:1px solid rgba(251,249,244,.3);background:rgba(255,255,255,.06);
  color:rgba(251,249,244,.86);border-radius:999px;padding:8px 16px;font-size:13px;
  transition:all var(--ease);cursor:pointer;
}
.chip:hover,.chip.is-active{background:var(--gold);color:var(--ink);border-color:var(--gold)}

/* ============ 分类介绍 ============ */
.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start}
.intro-copy p{color:var(--muted);margin:0 0 20px}
.intro-copy p strong{color:var(--ink)}
.intro-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow)}
.intro-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.metric-row{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:28px}
.metric{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--shadow);
}
.metric .num{font-family:var(--font-num);font-size:2.1rem;color:var(--ink);line-height:1;font-weight:700}
.metric .num span{color:var(--gold);font-size:1.1rem;margin-left:4px}
.metric .lbl{font-size:13.5px;color:var(--muted);margin-top:8px}

/* ============ 资讯条目列表（左图右文） ============ */
.list-stack{display:flex;flex-direction:column;gap:26px}
.entry{
  display:grid;grid-template-columns:300px 1fr;gap:30px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px;
  box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.entry:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(200,162,90,.45)}
.entry-media{border-radius:var(--r-img);overflow:hidden;position:relative;background:var(--bg-2)}
.entry-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform var(--ease)}
.entry:hover .entry-media img{transform:scale(1.02)}
.entry-no{
  position:absolute;left:12px;top:12px;background:rgba(14,42,43,.86);color:var(--gold);
  font-family:var(--font-num);font-size:13px;letter-spacing:.06em;
  padding:3px 10px;border-radius:6px;
}
.entry-body h3{font-size:1.28rem;line-height:1.45;margin-bottom:10px}
.entry-body h3 a{background-image:linear-gradient(var(--gold),var(--gold));background-size:0 2px;background-repeat:no-repeat;background-position:0 100%;transition:background-size var(--ease)}
.entry:hover .entry-body h3 a{background-size:100% 2px}
.entry-body p{color:var(--muted);font-size:15px;margin:0 0 14px}
.entry-meta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;font-size:13px;color:#828a90}
.entry-meta .badge-cat{
  background:var(--gold-soft);color:#8a6c2c;border:1px solid rgba(200,162,90,.4);
  border-radius:999px;padding:3px 12px;font-size:12.5px;font-weight:600;
}
.entry-link{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:14px;font-weight:600;color:var(--ink)}
.entry-link i{transition:transform var(--ease);color:var(--gold)}
.entry-link:hover i{transform:translateX(4px)}

/* ============ 观察维度三卡 ============ */
.dim-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.dim-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px 28px;box-shadow:var(--shadow);position:relative;
  transition:transform var(--ease),box-shadow var(--ease);
}
.dim-card::before{
  content:"";position:absolute;left:0;top:28px;bottom:28px;width:3px;background:var(--gold);
  opacity:0;transition:opacity var(--ease);border-radius:3px;
}
.dim-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.dim-card:hover::before{opacity:1}
.dim-no{font-family:var(--font-num);font-size:14px;letter-spacing:.1em;color:var(--gold);font-weight:700}
.dim-card h3{font-size:1.2rem;margin:12px 0 12px}
.dim-card p{color:var(--muted);font-size:15px;margin:0 0 16px}
.dim-card ul{list-style:none;margin:0;padding:0}
.dim-card li{position:relative;padding-left:18px;font-size:14.5px;color:var(--text);margin-bottom:8px}
.dim-card li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;background:var(--teal);border-radius:2px}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px !important;
  margin-bottom:14px;overflow:hidden;
}
.accordion-button{
  background:transparent;color:var(--ink);font-weight:700;font-size:17px;
  padding:22px 24px;box-shadow:none;border-radius:12px !important;
}
.accordion-button:not(.collapsed){background:var(--gold-soft);color:var(--ink);box-shadow:inset 3px 0 0 var(--gold)}
.accordion-button:focus{box-shadow:none;outline:2px solid rgba(200,162,90,.5);outline-offset:-2px}
.accordion-button::after{
  background-image:none;content:"+";font-size:22px;line-height:1;color:var(--gold);
  width:auto;height:auto;transform:none;font-weight:400;
}
.accordion-button:not(.collapsed)::after{content:"−";transform:none}
.accordion-body{color:var(--muted);font-size:15.5px;padding:6px 24px 24px;line-height:1.9}

/* ============ CTA ============ */
.cta-band{
  background:var(--ink);border-radius:18px;padding:56px 52px;
  display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
  border:1px solid rgba(200,162,90,.28);border-radius:50%;
}
.cta-band h2{color:var(--reverse);font-size:clamp(1.6rem,2.6vw,2.2rem);line-height:1.3;max-width:620px}
.cta-band p{color:rgba(251,249,244,.74);margin:12px 0 0;font-size:15.5px;max-width:620px}
.btn-gold{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--gold);color:var(--ink);border:1px solid var(--gold);
  border-radius:var(--r-btn);padding:14px 26px;font-weight:700;font-size:15px;
  transition:all var(--ease);position:relative;z-index:2;
}
.btn-gold i{transition:transform var(--ease)}
.btn-gold:hover{background:transparent;color:var(--gold)}
.btn-gold:hover i{transform:translateX(4px)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:10px;
  background:transparent;color:var(--ink);border:1px solid var(--line);
  border-radius:var(--r-btn);padding:13px 24px;font-weight:600;font-size:15px;
  transition:all var(--ease);
}
.btn-ghost:hover{border-color:var(--ink);background:var(--ink);color:var(--gold-soft)}

/* ============ 弹层 ============ */
.modal-content{border:0;border-radius:18px;overflow:hidden;background:var(--card)}
.modal-header{background:var(--ink);color:var(--reverse);border:0;padding:22px 28px}
.modal-title{font-family:var(--font-serif);font-size:1.25rem;color:var(--reverse)}
.modal-header .btn-close{filter:invert(1) grayscale(1);opacity:.7}
.modal-body{padding:28px}
.form-label{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.form-control,.form-select{
  border-radius:var(--r-btn);border:1px solid var(--line);padding:11px 14px;
  font-size:15px;background:#fff;color:var(--text);
}
.form-control:focus,.form-select:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(200,162,90,.16)}
.form-check-input:checked{background-color:var(--ink);border-color:var(--ink)}
.form-check-label{font-size:13.5px;color:var(--muted)}
.privacy-note{font-size:12.5px;color:#828a90;line-height:1.75;margin-top:14px}
.btn-submit{
  width:100%;background:var(--ink);color:var(--gold-soft);border:1px solid var(--ink);
  border-radius:var(--r-btn);padding:14px;font-weight:700;font-size:15px;transition:all var(--ease);
}
.btn-submit:hover{background:var(--gold);color:var(--ink);border-color:var(--gold)}

/* ============ 悬浮入口 ============ */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:1040;
  background:var(--ink);color:var(--gold-soft);border:1px solid var(--ink);
  border-radius:999px;padding:13px 22px;font-size:14px;font-weight:600;
  box-shadow:0 12px 34px rgba(14,42,43,.24);display:inline-flex;align-items:center;gap:8px;
  transition:all var(--ease);
}
.float-cta:hover{background:var(--gold);color:var(--ink);border-color:var(--gold)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(251,249,244,.78);padding:78px 0 30px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--reverse);font-weight:700;font-size:17px;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(251,249,244,.66);margin:0;max-width:340px}
.footer-col h4{color:var(--reverse);font-size:15px;margin-bottom:16px;font-family:var(--font-sans);font-weight:700;letter-spacing:.02em}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(251,249,244,.72)}
.footer-col a:hover{color:var(--gold)}
.footer-contact{font-size:13.5px;color:rgba(251,249,244,.66);line-height:1.8;margin:0}
.footer-contact strong{display:block;color:var(--reverse);font-size:14px;margin-bottom:4px}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(251,249,244,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(251,249,244,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-search{width:200px}
}
@media (max-width:991.98px){
  .custom-toggler{display:block}
  .site-nav{flex-wrap:wrap;padding:14px 0}
  .navbar-collapse{
    flex-basis:100%;background:var(--bg);border-top:1px solid var(--line);
    margin-top:14px;padding:18px 0 8px;
  }
  .channel-nav{flex-direction:column;align-items:flex-start;gap:0}
  .channel-nav .nav-item{width:100%}
  .channel-nav .nav-link{padding:0;line-height:48px;font-size:16px;width:100%}
  .nav-right{flex-direction:column;align-items:stretch;gap:12px;margin-top:16px}
  .nav-search{width:100%}
  .btn-ink{justify-content:center;width:100%}
  .btn-text-link{line-height:44px;text-align:center}
  .cat-hero-inner{padding:48px 32px}
  .intro-grid{grid-template-columns:1fr;gap:32px}
  .dim-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .cat-hero-inner{padding:38px 22px;border-radius:14px}
  .hero-tools{flex-direction:column;align-items:stretch}
  .hero-search{max-width:100%}
  .entry{grid-template-columns:1fr;gap:18px;padding:18px}
  .dim-grid{grid-template-columns:1fr}
  .metric-row{grid-template-columns:1fr 1fr;gap:14px}
  .cta-band{padding:36px 24px;flex-direction:column;align-items:flex-start}
  .btn-gold,.btn-ghost{width:100%;justify-content:center}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:56px 0 26px;margin-top:64px}
  .float-cta{
    left:16px;right:16px;bottom:14px;border-radius:12px;justify-content:center;
  }
}
@media (max-width:575.98px){
  .container-xl{padding:0 16px}
  .metric-row{grid-template-columns:1fr}
  .cat-hero h1{font-size:1.85rem}
  .entry-body h3{font-size:1.12rem}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --ink:#0E2A2B;
  --ink-deep:#0B0F12;
  --gold:#C8A25A;
  --teal:#18A999;
  --bg:#F7F6F2;
  --bg-alt:#EFEDE7;
  --card:#FFFDF8;
  --text:#1A1D1F;
  --text-2:#5D646A;
  --line:rgba(16,20,24,.12);
  --gold-soft:#FBF6EA;
  --white-soft:#FBF9F4;
  --radius-btn:10px;
  --radius-card:14px;
  --radius-modal:18px;
  --radius-img:12px;
  --shadow-card:0 1px 2px rgba(16,20,24,.04),0 10px 30px rgba(14,42,43,.07);
  --shadow-hover:0 14px 40px rgba(14,42,43,.12);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
  --font-sans:"HarmonyOS Sans SC","MiSans","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--gold);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
.container-xl{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(14,42,43,.08);}
.site-nav{display:flex;align-items:center;gap:24px;min-height:76px;flex-wrap:wrap;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;}
.brand-mark svg{width:32px;height:32px;}
.brand-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.brand:hover .brand-text{color:var(--gold);}
.custom-toggler{
  margin-left:auto;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:var(--card);display:none;align-items:center;justify-content:center;position:relative;
}
.custom-toggler span,.custom-toggler span::before,.custom-toggler span::after{
  display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;content:"";
  position:absolute;left:50%;transform:translateX(-50%);transition:transform var(--ease),opacity var(--ease);
}
.custom-toggler span{top:50%;margin-top:-1px;}
.custom-toggler span::before{top:-6px;}
.custom-toggler span::after{top:6px;}
.custom-toggler[aria-expanded="true"] span{background:transparent;}
.custom-toggler[aria-expanded="true"] span::before{transform:translateX(-50%) rotate(45deg);top:0;}
.custom-toggler[aria-expanded="true"] span::after{transform:translateX(-50%) rotate(-45deg);top:0;}
.channel-nav{display:flex;align-items:center;gap:28px;flex-direction:row;}
.channel-nav .nav-link{
  position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--text);line-height:1.6;
}
.channel-nav .nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--gold);
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.channel-nav .nav-link:hover::after{transform:scaleX(1);}
.channel-nav .nav-link:hover{color:var(--ink);}
.channel-nav .nav-link.active{color:var(--ink);font-weight:700;}
.channel-nav .nav-link.active::before{
  content:"";position:absolute;left:-12px;top:50%;width:5px;height:5px;border-radius:50%;
  background:var(--teal);transform:translateY(-50%);
}
.nav-right{display:flex;align-items:center;gap:16px;margin-left:auto;}
.nav-search{position:relative;}
.nav-search input{
  width:240px;height:42px;padding:0 40px 0 14px;border:1px solid var(--line);border-radius:10px;
  background:var(--card);font-size:14px;color:var(--text);transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search input::placeholder{color:#9aa0a5;}
.nav-search input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(200,162,90,.16);}
.nav-search .search-icon{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--text-2);pointer-events:none;}
.btn-text-link{font-size:15px;font-weight:500;color:var(--text);}
.btn-text-link:hover{color:var(--gold);}
.btn-ink{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 20px;border-radius:var(--radius-btn);
  background:var(--ink);color:var(--gold);border:1px solid var(--ink);font-size:15px;font-weight:600;
  transition:background var(--ease),color var(--ease),border-color var(--ease);cursor:pointer;white-space:nowrap;
}
.btn-ink i{transition:transform var(--ease);}
.btn-ink:hover{background:var(--gold);color:var(--ink);border-color:var(--gold);}
.btn-ink:hover i{transform:translateX(4px);}
.btn-gold{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--radius-btn);
  background:var(--gold);color:var(--ink);border:1px solid var(--gold);font-size:15px;font-weight:700;
  transition:background var(--ease),color var(--ease),transform var(--ease);cursor:pointer;
}
.btn-gold:hover{background:var(--ink);color:var(--gold);border-color:var(--ink);color:var(--gold);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--radius-btn);
  background:transparent;color:var(--ink);border:1px solid rgba(14,42,43,.28);font-size:15px;font-weight:600;
  transition:border-color var(--ease),background var(--ease),color var(--ease);cursor:pointer;
}
.btn-ghost:hover{border-color:var(--gold);background:var(--gold-soft);}
.btn-ghost.on-dark{color:var(--white-soft);border-color:rgba(251,249,244,.35);}
.btn-ghost.on-dark:hover{background:rgba(200,162,90,.14);border-color:var(--gold);color:var(--gold);}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--bg-alt);border-bottom:1px solid var(--line);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--text-2);}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--gold);}
.crumb .sep{color:rgba(16,20,24,.28);}
.crumb .now{color:var(--ink);font-weight:600;}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(90deg,rgba(11,15,18,.86) 0%,rgba(14,42,43,.78) 48%,rgba(14,42,43,.44) 100%),
             url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:var(--white-soft);
  padding:96px 0 88px;
  border-bottom:1px solid rgba(200,162,90,.55);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(251,249,244,.28) 1px,transparent 1px);
  background-size:34px 34px;opacity:.07;pointer-events:none;
}
.cat-hero .inner{position:relative;z-index:2;max-width:820px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  border:1px solid rgba(200,162,90,.55);background:rgba(200,162,90,.12);
  font-size:13px;letter-spacing:.02em;color:var(--gold);margin-bottom:22px;
}
.cat-hero h1{
  color:var(--white-soft);
  font-size:clamp(2.2rem,4.6vw,3.9rem);
  line-height:1.12;letter-spacing:-.02em;margin-bottom:20px;
}
.cat-hero h1 em{font-style:normal;color:var(--gold);}
.cat-hero .lede{font-size:17px;line-height:1.9;color:rgba(251,249,244,.82);margin-bottom:30px;max-width:700px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px;padding-top:24px;border-top:1px solid rgba(251,249,244,.18);}
.hero-meta div{font-size:14px;color:rgba(251,249,244,.72);}
.hero-meta strong{display:block;font-size:22px;color:var(--gold);font-weight:700;line-height:1.4;}

/* ---------- filter ---------- */
.filter-wrap{padding:34px 0 0;}
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:16px 18px;box-shadow:var(--shadow-card);
}
.filter-bar .flabel{font-size:13px;font-weight:700;color:var(--ink);margin-right:4px;}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:var(--bg-alt);font-size:13.5px;color:var(--text-2);
  transition:all var(--ease);cursor:pointer;
}
.chip:hover{border-color:var(--gold);color:var(--ink);background:var(--gold-soft);}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:var(--gold);font-weight:600;}
.filter-search{
  display:flex;align-items:center;gap:10px;margin-left:auto;
  border:1px solid var(--line);border-radius:10px;padding:0 12px;height:38px;background:var(--bg);
  min-width:230px;
}
.filter-search input{border:0;background:transparent;font-size:14px;width:100%;outline:none;color:var(--text);}
.filter-search i{color:var(--text-2);font-size:13px;}

/* ---------- section base ---------- */
.section{padding:96px 0;}
.section.tight{padding:76px 0;}
.section.alt{background:var(--bg-alt);}
.sec-head{max-width:760px;margin-bottom:48px;}
.sec-eyebrow{
  display:inline-block;font-size:13px;font-weight:700;color:var(--teal);letter-spacing:.06em;margin-bottom:12px;
}
.sec-head h2{font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.25;margin-bottom:14px;}
.sec-head p{color:var(--text-2);margin:0;}

/* ---------- intro ---------- */
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.intro-text p{color:var(--text-2);font-size:16.5px;}
.intro-offer{margin-top:26px;display:grid;gap:14px;}
.offer-item{
  display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border-radius:var(--radius-card);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.offer-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.offer-item .onum{
  flex-shrink:0;width:34px;height:34px;border-radius:9px;background:var(--gold-soft);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;
  border:1px solid rgba(200,162,90,.4);
}
.offer-item h3{font-size:16px;margin-bottom:4px;}
.offer-item p{font-size:14px;color:var(--text-2);margin:0;line-height:1.75;}
.intro-media{position:relative;}
.intro-media img{border-radius:var(--radius-img);box-shadow:var(--shadow-card);width:100%;aspect-ratio:4/3;object-fit:cover;}
.intro-media .fig-note{font-size:13px;color:var(--text-2);margin-top:12px;}

/* ---------- steps ---------- */
.steps-head{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-end;justify-content:space-between;margin-bottom:40px;}
.step-track{
  display:grid;grid-template-columns:repeat(5,1fr);gap:0;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 22px;box-shadow:var(--shadow-card);position:relative;overflow:hidden;
}
.step-track::before{
  content:"";position:absolute;left:9%;right:9%;top:64px;height:1px;background:linear-gradient(90deg,rgba(200,162,90,.5),rgba(24,169,153,.35),rgba(200,162,90,.5));
}
.step-item{position:relative;padding:0 14px;text-align:center;z-index:2;}
.step-dot{
  width:44px;height:44px;border-radius:50%;margin:0 auto 16px;background:var(--bg);
  border:1px solid rgba(200,162,90,.55);color:var(--ink);font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;
}
.step-item h3{font-size:16px;margin-bottom:8px;}
.step-item p{font-size:13.5px;color:var(--text-2);line-height:1.7;margin:0;}

/* ---------- solution cards ---------- */
.sol-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.sol-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  position:relative;
}
.sol-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--gold);
  transform:scaleY(0);transform-origin:top;transition:transform var(--ease);
}
.sol-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.sol-card:hover::before{transform:scaleY(1);}
.sol-media{position:relative;overflow:hidden;}
.sol-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1);}
.sol-card:hover .sol-media img{transform:scale(1.03);}
.sol-media .badge-cat{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:999px;
  background:rgba(11,15,18,.78);color:var(--gold);font-size:12px;font-weight:600;
  border:1px solid rgba(200,162,90,.45);backdrop-filter:blur(2px);
}
.sol-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1;}
.sol-body h3{font-size:19px;line-height:1.45;margin-bottom:10px;}
.sol-body .sum{font-size:14.5px;color:var(--text-2);line-height:1.8;margin-bottom:16px;}
.sol-points{display:grid;gap:8px;margin-bottom:18px;}
.sol-points li{position:relative;padding-left:18px;font-size:14px;color:var(--text-2);line-height:1.7;}
.sol-points li::before{
  content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:2px;background:var(--teal);opacity:.75;
}
.sol-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.tag{
  font-size:12.5px;padding:4px 10px;border-radius:6px;background:var(--gold-soft);
  border:1px solid rgba(200,162,90,.35);color:#7a5f28;
}
.sol-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:16px;border-top:1px solid var(--line);}
.link-arrow{font-size:14.5px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:6px;}
.link-arrow i{transition:transform var(--ease);}
.link-arrow:hover{color:var(--gold);}
.link-arrow:hover i{transform:translateX(4px);}
.sol-index{font-size:13px;color:var(--text-2);font-weight:700;letter-spacing:.04em;}

/* ---------- stat strip ---------- */
.stat-strip{background:var(--ink-deep);color:var(--white-soft);padding:72px 0;position:relative;overflow:hidden;}
.stat-strip::after{
  content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(200,162,90,.5) 1px,transparent 1px);
  background-size:46px 46px;opacity:.05;pointer-events:none;
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative;z-index:2;}
.stat-item .num{font-size:clamp(2.1rem,3.4vw,3rem);font-weight:700;color:var(--gold);line-height:1.1;letter-spacing:-.01em;}
.stat-item .lab{font-size:15px;font-weight:600;color:var(--white-soft);margin-top:12px;}
.stat-item .sub{font-size:13px;color:rgba(251,249,244,.62);margin-top:6px;line-height:1.7;}
.stat-strip .strip-head{position:relative;z-index:2;max-width:660px;margin-bottom:44px;}
.stat-strip .strip-head h2{color:var(--white-soft);font-size:clamp(1.6rem,2.6vw,2.2rem);margin-bottom:10px;}
.stat-strip .strip-head p{color:rgba(251,249,244,.68);margin:0;font-size:15.5px;}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:14px;overflow:hidden;
}
.accordion-button{
  font-size:16.5px;font-weight:600;color:var(--ink);background:var(--card);padding:20px 22px;
  box-shadow:none;border:0;line-height:1.6;
}
.accordion-button:not(.collapsed){background:var(--gold-soft);color:var(--ink);box-shadow:none;}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--gold);outline-offset:-2px;}
.accordion-button::after{
  background-image:none;content:"+";font-size:20px;font-weight:500;color:var(--gold);
  width:auto;height:auto;transform:none;display:flex;align-items:center;justify-content:center;
  transition:transform var(--ease);line-height:1;
}
.accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg);}
.accordion-body{padding:4px 22px 22px;color:var(--text-2);font-size:15px;line-height:1.9;border-left:3px solid var(--gold);}
.accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(200,162,90,.42);}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(120deg,#0E2A2B 0%,#0B0F12 100%);
  border-radius:18px;padding:56px 48px;color:var(--white-soft);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  border:1px solid rgba(200,162,90,.28);
}
.cta-band .cta-grid{display:grid;grid-template-columns:1.4fr .6fr;gap:32px;align-items:center;position:relative;z-index:2;}
.cta-band h2{color:var(--white-soft);font-size:clamp(1.6rem,2.6vw,2.1rem);margin-bottom:12px;}
.cta-band p{color:rgba(251,249,244,.76);margin:0;font-size:15.5px;max-width:620px;}
.cta-actions{display:flex;flex-direction:column;gap:14px;}

/* ---------- privacy ---------- */
.privacy-box{
  background:var(--gold-soft);border:1px solid rgba(200,162,90,.35);border-radius:var(--radius-card);
  padding:28px 30px;
}
.privacy-box h2{font-size:19px;margin-bottom:14px;}
.privacy-box ul{display:grid;gap:10px;}
.privacy-box li{position:relative;padding-left:18px;font-size:14px;color:var(--text-2);line-height:1.8;}
.privacy-box li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--gold);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(251,249,244,.78);padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--white-soft);margin-bottom:16px;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(251,249,244,.66);margin:0;max-width:340px;}
.footer-col h4{color:var(--white-soft);font-size:15px;margin-bottom:16px;font-weight:700;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(251,249,244,.72);}
.footer-col a:hover{color:var(--gold);}
.footer-contact{font-size:13.5px;line-height:1.8;color:rgba(251,249,244,.66);margin:0;}
.footer-contact strong{display:block;color:var(--white-soft);font-size:14px;margin-bottom:4px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(251,249,244,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(251,249,244,.56);
}

/* ---------- modal ---------- */
.modal-content{border:0;border-radius:var(--radius-modal);overflow:hidden;background:var(--card);}
.modal-header{background:var(--ink);color:var(--white-soft);border:0;padding:22px 26px;border-radius:0;}
.modal-title{font-size:19px;font-weight:700;color:var(--white-soft);}
.modal-header .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.75;}
.modal-body{padding:26px;}
.form-label{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.form-control,.form-select{
  border:1px solid var(--line);border-radius:10px;padding:11px 14px;font-size:15px;background:var(--bg);
  color:var(--text);transition:border-color var(--ease),box-shadow var(--ease);
}
.form-control:focus,.form-select:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(200,162,90,.16);background:#fff;}
.form-check-input{width:18px;height:18px;border:1px solid rgba(16,20,24,.3);margin-top:.24em;}
.form-check-input:checked{background-color:var(--ink);border-color:var(--ink);}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(200,162,90,.2);border-color:var(--gold);}
.form-check-label{font-size:13.5px;color:var(--text-2);line-height:1.7;}
.modal-privacy{font-size:12.5px;color:var(--text-2);line-height:1.7;margin-top:12px;}

/* ---------- floating ---------- */
.float-plan{
  position:fixed;right:24px;bottom:28px;z-index:1040;
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 22px;border-radius:999px;
  background:var(--ink);color:var(--gold);border:1px solid rgba(200,162,90,.5);font-size:15px;font-weight:600;
  box-shadow:0 14px 34px rgba(14,42,43,.28);cursor:pointer;transition:background var(--ease),color var(--ease),transform var(--ease);
}
.float-plan:hover{background:var(--gold);color:var(--ink);transform:translateY(-2px);}
.mobile-sticky{display:none;}

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

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .container-xl{padding:0 22px;}
  .nav-search input{width:200px;}
}
@media (max-width:991.98px){
  .custom-toggler{display:flex;}
  .site-nav{min-height:68px;gap:12px;}
  .navbar-collapse{
    flex-basis:100%;width:100%;margin-top:12px;padding:12px 0 20px;border-top:1px solid var(--line);
  }
  .channel-nav{flex-direction:column;align-items:flex-start;gap:0;width:100%;}
  .channel-nav .nav-item{width:100%;}
  .channel-nav .nav-link{
    display:flex;align-items:center;min-height:48px;font-size:16px;width:100%;
    border-bottom:1px solid var(--line);
  }
  .channel-nav .nav-link.active::before{left:0;position:static;margin-right:10px;transform:none;}
  .nav-right{flex-direction:column;align-items:stretch;gap:12px;margin:18px 0 0;width:100%;}
  .nav-search input{width:100%;}
  .nav-right .btn-ink{width:100%;justify-content:center;}
  .nav-right .btn-text-link{text-align:center;padding:10px 0;}
  .intro-grid{grid-template-columns:1fr;gap:34px;}
  .step-track{grid-template-columns:repeat(2,1fr);gap:28px 0;padding:26px 16px;}
  .step-track::before{display:none;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .cta-band .cta-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .section{padding:72px 0;}
  .cat-hero{padding:76px 0 68px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .sol-grid{grid-template-columns:1fr;gap:22px;}
  .step-track{grid-template-columns:1fr;gap:24px;}
  .step-item{text-align:left;padding:0 6px;display:flex;gap:14px;}
  .step-dot{margin:0;flex-shrink:0;}
  .hero-actions .btn-gold,.hero-actions .btn-ghost{width:100%;justify-content:center;}
  .cat-hero{padding:60px 0 54px;}
  .cat-hero .lede{font-size:15.5px;}
  .hero-meta{gap:20px;}
  .filter-search{margin-left:0;width:100%;min-width:0;}
  .cta-band{padding:40px 24px;border-radius:14px;}
  .privacy-box{padding:22px 20px;}
  .section{padding:56px 0;}
  .section.tight{padding:50px 0;}
  .sec-head{margin-bottom:32px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .float-plan{display:none;}
  .mobile-sticky{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1040;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:rgba(247,246,242,.96);border-top:1px solid var(--line);
    backdrop-filter:blur(6px);
  }
  .mobile-sticky button{width:100%;justify-content:center;}
  .stat-strip{padding:56px 0;}
  .site-footer{padding:56px 0 92px;}
}
@media (max-width:519.98px){
  .container-xl{padding:0 16px;}
  .cat-hero h1{font-size:2rem;}
  .stat-grid{grid-template-columns:1fr;}
  .stat-item{padding-bottom:18px;border-bottom:1px solid rgba(251,249,244,.14);}
  .stat-item:last-child{border-bottom:0;padding-bottom:0;}
  .filter-bar{padding:14px;}
}