/* roulang page: index */
:root{
  --main:#E39A2B;
  --main-dark:#C07C1A;
  --main-soft:#FBEBD0;
  --green:#3F6B4A;
  --green-soft:#E6EFE6;
  --brown:#7A4B22;
  --brown-deep:#5C3617;
  --bg:#FAF6EE;
  --bg-2:#F2EADB;
  --card:#FFFFFF;
  --line:#E3D8C6;
  --line-soft:#EFE6D6;
  --text:#2A2420;
  --muted:#6B6156;
  --radius-card:10px;
  --radius-btn:6px;
  --radius-pill:999px;
  --shadow:0 6px 18px rgba(122,75,34,.08);
  --shadow-hover:0 14px 30px rgba(122,75,34,.14);
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --sec-pad:88px;
  --container:1180px;
}

*,*::before,*::after{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(--sans);
  font-size:17px;
  line-height:1.8;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
a:hover{color:var(--main-dark)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1.2em}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;line-height:1.34;margin:0;letter-spacing:.01em}
h1{font-size:40px}
h2{font-size:28px}
h3{font-size:19px}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--main);outline-offset:2px}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--sec-pad) 0;position:relative}
.section--tint{background:var(--bg-2)}
.section--quiet{background:var(--green-soft)}
.section--line{border-top:1px solid var(--line-soft)}
[id]{scroll-margin-top:96px}

.mesh{position:relative}
.mesh::before{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(0deg,rgba(122,75,34,.035) 0 1px,transparent 1px 44px),
                   repeating-linear-gradient(90deg,rgba(122,75,34,.035) 0 1px,transparent 1px 44px);
  pointer-events:none;
}
.mesh > *{position:relative;z-index:1}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,246,238,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(150%) blur(8px);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:20px;font-weight:700;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:22px;height:22px;border-radius:50%;flex:0 0 22px;
  background:radial-gradient(circle at 34% 30%,#F7C976 0,#E39A2B 48%,#C07C1A 100%);
  box-shadow:inset 0 0 0 1px rgba(122,75,34,.20);
}
.brand-sub{font-family:var(--sans);font-size:11px;font-weight:500;letter-spacing:.18em;color:var(--muted);display:block;line-height:1}
.main-nav{display:flex;align-items:center;gap:30px}
.nav-link{position:relative;font-size:15.5px;color:var(--muted);padding:6px 0;line-height:1.4}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--main);
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:transparent;align-items:center;justify-content:center;cursor:pointer;color:var(--text);
  transition:border-color .18s ease,background-color .18s ease;
}
.nav-toggle:hover{border-color:var(--main);background:var(--main-soft)}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-sm{height:38px;padding:0 18px;font-size:14.5px;font-weight:500}
.btn-primary{background:var(--main);color:#fff}
.btn-primary:hover{background:var(--main-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-ghost{background:transparent;border-color:var(--main);color:var(--main-dark)}
.btn-ghost:hover{background:var(--main-soft);color:var(--main-dark)}
.btn-plain{background:transparent;border-color:var(--line);color:var(--text)}
.btn-plain:hover{border-color:var(--main);background:var(--main-soft)}
.btn-block{width:100%}
.text-link{color:var(--main-dark);font-weight:600;border-bottom:1px solid transparent;transition:border-color .18s ease,color .18s ease}
.text-link:hover{border-bottom-color:var(--main);color:var(--main-dark)}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:84px 0 72px;
  color:#fff;
  background-image:url(/assets/images/backpic/back-1.jpg);
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(74,44,18,.90) 0%,rgba(92,54,23,.78) 44%,rgba(122,75,34,.46) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.045) 0 1px,transparent 1px 46px),
                   repeating-linear-gradient(90deg,rgba(255,255,255,.045) 0 1px,transparent 1px 46px);
}
.hero .container{position:relative;z-index:2}
.hero-head{max-width:760px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;color:#F7D9A6;
  border:1px solid rgba(247,217,166,.42);border-radius:var(--radius-pill);
  padding:6px 14px;margin-bottom:22px;line-height:1.2;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:#F7C976;display:block}
.hero h1{
  font-size:40px;line-height:1.34;color:#fff;margin-bottom:20px;letter-spacing:.01em;
  text-shadow:0 2px 14px rgba(60,34,12,.35);
}
.hero h1 em{font-style:normal;color:#F8CC85}
.hero-lead{font-size:17px;line-height:1.85;color:rgba(255,255,255,.90);margin-bottom:28px;max-width:720px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero .btn-ghost{border-color:rgba(255,255,255,.72);color:#fff}
.hero .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;border-top:1px solid rgba(255,255,255,.22);padding-top:18px}
.hero-tags span{
  font-size:13px;color:rgba(255,255,255,.82);letter-spacing:.04em;
  border:1px solid rgba(255,255,255,.24);border-radius:var(--radius-pill);padding:4px 12px;
}

.tier-grid{margin-top:46px}
.tier-card{
  background:rgba(255,255,255,.96);border:1px solid rgba(227,216,198,.9);
  border-radius:var(--radius-card);padding:26px 24px;height:100%;
  display:flex;flex-direction:column;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease;
}
.tier-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.tier-card.is-featured{
  border:2px solid var(--main);background:#fff;
  box-shadow:0 16px 34px rgba(122,75,34,.20);
}
.tier-name{font-family:var(--serif);font-size:20px;color:var(--text);margin-bottom:6px}
.tier-sub{font-size:13.5px;color:var(--muted);margin-bottom:16px;letter-spacing:.04em}
.tier-badge{
  display:inline-block;font-size:12px;letter-spacing:.12em;color:#fff;background:var(--main);
  border-radius:var(--radius-pill);padding:4px 12px;margin-bottom:14px;align-self:flex-start;
}
.tier-list{font-size:15px;color:var(--muted);margin-bottom:22px;flex:1}
.tier-list li{position:relative;padding-left:16px;margin-bottom:8px;line-height:1.7}
.tier-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--green)}
.tier-card.is-featured .tier-list li::before{background:var(--main)}

/* ---------- section heading ---------- */
.sec-head{margin-bottom:44px;max-width:760px}
.sec-idx{
  display:inline-block;font-size:13px;letter-spacing:.18em;color:var(--main-dark);
  font-weight:600;margin-bottom:14px;
}
.sec-idx::before{content:"";display:inline-block;width:22px;height:1px;background:var(--main);vertical-align:middle;margin-right:10px}
.sec-head h2{font-size:28px;margin-bottom:14px}
.sec-desc{font-size:16px;color:var(--muted);line-height:1.85;margin:0}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ---------- generic cards ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 26px;height:100%;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#EAD9BC}
.card h3{margin-bottom:12px}
.card p{color:var(--muted);font-size:15.5px;margin:0;line-height:1.8}
.card-icon{
  width:40px;height:40px;border-radius:10px;background:var(--main-soft);color:var(--main-dark);
  display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:17px;font-weight:700;
  margin-bottom:18px;
}
.offset-down{transform:translateY(22px)}
.offset-down:hover{transform:translateY(19px)}

/* ---------- entry wall ---------- */
.entry-wall{
  border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:22px;background:#fff;height:100%;
  transition:border-color .2s ease,background-color .2s ease,transform .2s ease;
  display:block;
}
.entry-wall:hover{border-color:var(--main);background:var(--main-soft);transform:translateY(-2px)}
.entry-wall .ew-num{
  font-family:var(--serif);font-size:13px;color:var(--main-dark);letter-spacing:.14em;display:block;margin-bottom:8px;
}
.entry-wall .ew-title{font-family:var(--serif);font-size:17px;font-weight:700;display:block;margin-bottom:6px}
.entry-wall .ew-desc{font-size:14px;color:var(--muted);line-height:1.7;display:block}

/* ---------- pain / solution ---------- */
.pain-figure{border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow);height:100%}
.pain-figure img{width:100%;height:100%;min-height:280px;object-fit:cover}
.pain-list li{
  display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line-soft);
}
.pain-list li:last-child{border-bottom:0}
.pain-list .p-num{
  font-family:var(--serif);font-size:15px;color:#fff;background:var(--brown);
  width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  flex:0 0 26px;margin-top:5px;font-weight:700;
}
.pain-list strong{display:block;font-family:var(--serif);font-size:17px;margin-bottom:4px}
.pain-list span{color:var(--muted);font-size:15.5px;line-height:1.75}

.cap-list{border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;padding:8px 22px;box-shadow:var(--shadow)}
.cap-list li{display:flex;align-items:flex-start;gap:12px;padding:15px 0;border-bottom:1px solid var(--line-soft);font-size:15.5px;color:var(--text)}
.cap-list li:last-child{border-bottom:0}
.cap-list li::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--green);flex:0 0 8px;margin-top:10px}

/* ---------- steps ---------- */
.step-rail{position:relative;padding-left:6px}
.step-item{
  position:relative;padding:0 0 34px 62px;
}
.step-item::before{
  content:"";position:absolute;left:19px;top:34px;bottom:0;width:1px;background:var(--line);
}
.step-item:last-child::before{display:none}
.step-item .s-dot{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;
  border:1px solid var(--main);background:var(--main-soft);color:var(--main-dark);
  font-family:var(--serif);font-weight:700;font-size:16px;
  display:flex;align-items:center;justify-content:center;
}
.step-item h3{margin-bottom:6px;font-size:18px}
.step-item p{color:var(--muted);font-size:15.5px;margin:0}

/* ---------- numbers ---------- */
.metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.metric-cell{background:#fff;padding:30px 24px}
.metric-num{font-family:var(--serif);font-size:38px;color:var(--main-dark);font-weight:700;line-height:1.1;letter-spacing:.01em}
.metric-num small{font-size:17px;color:var(--muted);font-family:var(--sans);margin-left:4px;font-weight:500}
.metric-label{font-size:14.5px;color:var(--muted);margin-top:10px;line-height:1.7}
.metric-bar{height:3px;background:var(--line-soft);border-radius:2px;margin-top:14px;position:relative;overflow:hidden}
.metric-bar i{position:absolute;left:0;top:0;bottom:0;background:var(--main);border-radius:2px}

/* ---------- testimonial ---------- */
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 26px;height:100%;box-shadow:var(--shadow);position:relative;
  transition:transform .2s ease,box-shadow .2s ease;
}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.quote-card .qm{font-family:var(--serif);font-size:44px;color:var(--main-soft);line-height:1;display:block;margin-bottom:6px}
.quote-card p{font-size:15.5px;color:var(--text);line-height:1.85;margin-bottom:20px}
.quote-who{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line-soft);padding-top:16px}
.quote-who img{width:44px;height:44px;border-radius:50%;object-fit:cover;flex:0 0 44px}
.quote-who b{display:block;font-size:15px;font-family:var(--serif);font-weight:700}
.quote-who em{font-style:normal;font-size:13.5px;color:var(--muted)}

/* ---------- audience ---------- */
.pill-row{display:flex;flex-wrap:wrap;gap:14px}
.pill-item{
  border:1px solid var(--line);background:#fff;border-radius:var(--radius-pill);
  padding:12px 22px;display:flex;align-items:center;gap:10px;
  font-size:15.5px;transition:border-color .18s ease,background-color .18s ease,transform .18s ease;
}
.pill-item:hover{border-color:var(--main);background:var(--main-soft);transform:translateY(-2px)}
.pill-item b{font-family:var(--serif);font-weight:700}
.pill-item span{color:var(--muted);font-size:14px}

/* ---------- origin grid ---------- */
.origin-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow);height:100%;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.origin-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.origin-card img{width:100%;height:186px;object-fit:cover}
.origin-card.tall img{height:246px}
.origin-body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column}
.origin-body h3{font-size:17.5px;margin-bottom:8px}
.origin-body p{color:var(--muted);font-size:14.8px;line-height:1.78;margin:0 0 14px;flex:1}
.tag{
  display:inline-block;font-size:12.5px;letter-spacing:.06em;color:var(--green);
  background:var(--green-soft);border-radius:var(--radius-pill);padding:3px 12px;margin-right:8px;
}
.tag--warm{color:var(--brown);background:var(--main-soft)}

/* ---------- news ---------- */
.news-item{
  display:flex;gap:22px;padding:22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow);height:100%;
  transition:transform .2s ease,box-shadow .2s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.news-item img{width:112px;height:88px;object-fit:cover;border-radius:8px;flex:0 0 112px}
.news-item .n-date{font-size:13px;color:var(--muted);letter-spacing:.06em}
.news-item h3{font-size:17px;margin:6px 0 8px}
.news-item p{font-size:14.6px;color:var(--muted);margin:0;line-height:1.72}

/* ---------- market table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;box-shadow:var(--shadow)}
table.market{width:100%;border-collapse:collapse;min-width:680px}
table.market th,table.market td{padding:16px 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--line-soft);white-space:nowrap}
table.market th{font-size:13.5px;letter-spacing:.1em;color:var(--muted);font-weight:600;background:var(--bg-2)}
table.market tr:last-child td{border-bottom:0}
table.market td.price{font-family:var(--serif);font-weight:700;color:var(--main-dark);font-size:16.5px}
.trend{display:inline-flex;align-items:center;gap:10px}
.trend .bar{width:86px;height:6px;border-radius:3px;background:var(--line-soft);position:relative;overflow:hidden}
.trend .bar i{position:absolute;left:0;top:0;bottom:0;border-radius:3px;background:var(--green)}
.trend.up .bar i{background:var(--main)}
.trend em{font-style:normal;font-size:13.5px;color:var(--muted)}

/* ---------- service list ---------- */
.service-list li{
  display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line-soft);
}
.service-list li:last-child{border-bottom:0}
.service-list .s-idx{font-family:var(--serif);font-size:14px;color:var(--main-dark);letter-spacing:.12em;flex:0 0 42px;padding-top:4px}
.service-list h3{font-size:17.5px;margin-bottom:6px}
.service-list p{color:var(--muted);font-size:15.3px;margin:0;line-height:1.78}

/* ---------- faq ---------- */
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-family:var(--serif);font-size:17.5px;font-weight:700;color:var(--text);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--main-dark)}
.faq-q .arw{
  flex:0 0 24px;width:24px;height:24px;border:1px solid var(--line);border-radius:50%;
  display:flex;align-items:center;justify-content:center;position:relative;
  transition:transform .2s ease,border-color .2s ease,background-color .2s ease;
}
.faq-q .arw::before{content:"";width:9px;height:9px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg) translate(-2px,-2px)}
.faq-item.is-open .faq-q .arw{transform:rotate(180deg);border-color:var(--main);background:var(--main-soft)}
.faq-a{display:none;padding:0 4px 24px;color:var(--muted);font-size:15.6px;line-height:1.85;max-width:860px}
.faq-item.is-open .faq-a{display:block}

/* ---------- inquiry ---------- */
.inquiry-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow);padding:34px 32px;
}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--muted);margin-bottom:8px;letter-spacing:.04em}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 16px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--bg);font-size:15.5px;transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field textarea{height:110px;padding:12px 16px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--main);background:#fff;outline:none;box-shadow:0 0 0 3px rgba(227,154,43,.16);
}
.trust-line{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:16px;font-size:13.8px;color:var(--muted)}
.trust-line span::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--green);margin-right:8px;vertical-align:middle}
.cta-aside{height:100%;display:flex;flex-direction:column;justify-content:center;padding-left:8px}
.cta-aside h3{font-size:24px;margin-bottom:14px}
.cta-aside p{color:var(--muted);font-size:15.8px}

/* ---------- subscribe ---------- */
.subscribe{
  background:var(--green);color:#fff;border-radius:var(--radius-card);
  padding:44px 40px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.subscribe h2{color:#fff;font-size:24px;margin-bottom:8px}
.subscribe p{color:rgba(255,255,255,.82);font-size:15.4px;margin:0;max-width:560px}
.sub-form{display:flex;gap:12px;flex-wrap:wrap}
.sub-form input{
  height:48px;min-width:260px;padding:0 16px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.38);background:rgba(255,255,255,.12);color:#fff;font-size:15.5px;
}
.sub-form input::placeholder{color:rgba(255,255,255,.66)}
.sub-form input:focus{outline:none;border-color:#fff;background:rgba(255,255,255,.2)}
.sub-form .btn-primary{background:#fff;color:var(--green)}
.sub-form .btn-primary:hover{background:#FBEBD0;color:var(--green)}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:64px 0 34px;margin-top:0}
.footer-brand{font-family:var(--serif);font-size:20px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.footer-about{font-size:14.8px;color:var(--muted);line-height:1.85;max-width:420px}
.footer-title{font-family:var(--serif);font-size:15.5px;font-weight:700;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14.8px;color:var(--muted)}
.footer-links a:hover{color:var(--main-dark)}
.footer-contact li{font-size:14.8px;color:var(--muted);margin-bottom:10px;line-height:1.75}
.footer-bottom{
  border-top:1px solid var(--line);margin-top:44px;padding-top:22px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13.6px;color:var(--muted);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--sec-pad:72px}
  h1,.hero h1{font-size:34px}
  .hero-lead{font-size:16px}
  .main-nav{gap:22px}
  .metric-strip{grid-template-columns:repeat(2,1fr)}
  .offset-down{transform:none}
  .offset-down:hover{transform:translateY(-3px)}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:fixed;left:0;right:0;top:72px;
    display:block;background:var(--bg);border-bottom:1px solid var(--line);
    padding:0 24px;max-height:0;overflow:hidden;
    transition:max-height .28s ease;
    box-shadow:0 18px 30px rgba(122,75,34,.08);
  }
  .main-nav.is-open{max-height:420px;padding-bottom:18px}
  .nav-link{display:block;width:100%;padding:15px 0;border-bottom:1px solid var(--line);font-size:16.5px}
  .nav-link::after{display:none}
  .header-actions .btn{display:none}
}
@media (max-width:768px){
  :root{--sec-pad:54px}
  body{font-size:16px}
  h1,.hero h1{font-size:29px;line-height:1.4}
  h2,.sec-head h2{font-size:23px}
  .container{padding:0 18px}
  .hero{padding:56px 0 48px}
  .hero-lead{font-size:15.6px}
  .hero-cta{gap:10px}
  .hero-cta .btn{width:100%}
  .tier-grid{margin-top:32px}
  .sec-head{margin-bottom:30px}
  .card{padding:22px 20px}
  .metric-strip{grid-template-columns:1fr}
  .metric-num{font-size:31px}
  .news-item{flex-direction:column;gap:14px}
  .news-item img{width:100%;height:170px;flex:none}
  .inquiry-wrap{padding:24px 20px}
  .cta-aside{padding-left:0;margin-top:28px}
  .subscribe{padding:30px 22px}
  .sub-form{width:100%}
  .sub-form input{min-width:0;width:100%}
  .sub-form .btn{width:100%}
  .step-item{padding-left:52px}
  .step-item .s-dot{width:34px;height:34px;font-size:14px}
  .step-item::before{left:16px}
}
@media (max-width:520px){
  h1,.hero h1{font-size:26px}
  .brand{font-size:18px}
  .brand-sub{font-size:10px}
  .pill-item{padding:10px 16px;font-size:14.5px}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
 --main:#E39A2B;
 --main-dark:#C07C1A;
 --main-soft:#FBEBD0;
 --green:#3F6B4A;
 --green-soft:#E6EFE6;
 --brown:#7A4B22;
 --brown-deep:#5C3617;
 --bg:#FAF6EE;
 --bg-2:#F2EADB;
 --card:#FFFFFF;
 --line:#E3D8C6;
 --line-soft:#EFE6D6;
 --text:#2A2420;
 --muted:#6B6156;
 --radius-card:10px;
 --radius-btn:6px;
 --radius-pill:999px;
 --shadow:0 6px 18px rgba(122,75,34,.08);
 --shadow-hover:0 14px 30px rgba(122,75,34,.14);
 --serif:"Noto Serif SC","Songti SC","SimSun",serif;
 --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
 --sec-pad:88px;
 --container:1180px;
}
@media (max-width:1024px){:root{--sec-pad:72px}}
@media (max-width:768px){:root{--sec-pad:54px}}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
*,*::before,*::after{box-sizing:border-box}
body{
 margin:0;
 background:var(--bg);
 color:var(--text);
 font-family:var(--sans);
 font-size:17px;
 line-height:1.8;
 letter-spacing:.02em;
 -webkit-font-smoothing:antialiased;
 text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
a:hover{color:var(--main-dark)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
 outline:2px solid var(--main);outline-offset:2px;
}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;color:var(--text);margin:0;line-height:1.4}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.container{
 width:100%;max-width:var(--container);
 margin:0 auto;padding:0 24px;
}
.section{padding:var(--sec-pad) 0;position:relative}
.section--tint{background:var(--bg-2)}
.section--quiet{background:var(--green-soft)}
.section--line{border-top:1px solid var(--line-soft)}

.grid-margin-x{margin-left:-14px;margin-right:-14px}
.grid-margin-x>.cell{padding-left:14px;padding-right:14px}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(250,246,238,.96);
 border-bottom:1px solid var(--line);
 -webkit-backdrop-filter:saturate(150%) blur(8px);
 backdrop-filter:saturate(150%) blur(8px);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:20px;font-weight:700;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
 width:22px;height:22px;border-radius:50%;flex:0 0 22px;
 background:radial-gradient(circle at 34% 30%,#F7C976 0,#E39A2B 48%,#C07C1A 100%);
 box-shadow:inset 0 0 0 1px rgba(122,75,34,.20);
}
.brand-sub{font-family:var(--sans);font-size:11px;font-weight:500;letter-spacing:.18em;color:var(--muted);display:block;line-height:1}
.main-nav{display:flex;align-items:center;gap:30px}
.nav-link{position:relative;font-size:15.5px;color:var(--muted);padding:6px 0;line-height:1.4}
.nav-link::after{
 content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--main);
 transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px}
.nav-toggle{
 display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-btn);
 background:transparent;align-items:center;justify-content:center;cursor:pointer;color:var(--text);
 transition:border-color .18s ease,background-color .18s ease;
}
.nav-toggle:hover{border-color:var(--main);background:var(--main-soft)}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 height:48px;padding:0 26px;border-radius:var(--radius-btn);
 font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;
 transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-sm{height:38px;padding:0 18px;font-size:14.5px;font-weight:500}
.btn-primary{background:var(--main);color:#fff}
.btn-primary:hover{background:var(--main-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-ghost{background:transparent;border-color:var(--main);color:var(--main-dark)}
.btn-ghost:hover{background:var(--main-soft);color:var(--main-dark)}
.btn-plain{background:transparent;border-color:var(--line);color:var(--text)}
.btn-plain:hover{border-color:var(--main);background:var(--main-soft)}
.btn-block{width:100%}
.text-link{color:var(--main-dark);font-weight:600;border-bottom:1px solid transparent;transition:border-color .18s ease,color .18s ease}
.text-link:hover{border-bottom-color:var(--main);color:var(--main-dark)}

/* ---------- 分类页头部 ---------- */
.cat-hero{
 background:var(--bg-2);
 border-bottom:1px solid var(--line);
 padding:56px 0 48px;
 position:relative;
 overflow:hidden;
}
.cat-hero::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background-image:repeating-linear-gradient(90deg,rgba(122,75,34,.04) 0 1px,transparent 1px 64px);
}
.cat-hero .container{position:relative;z-index:1}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:20px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--main-dark)}
.crumbs .sep{color:var(--line)}
.cat-hero h1{
 font-size:38px;line-height:1.35;letter-spacing:.01em;
 max-width:760px;margin-bottom:18px;
}
.cat-hero-lead{max-width:720px;font-size:16.5px;color:var(--muted);line-height:1.85;margin-bottom:26px}
.cat-quick{
 display:flex;flex-wrap:wrap;gap:0;
 border-top:1px solid var(--line);
}
.cat-quick-item{
 flex:1 1 160px;
 min-width:140px;
 padding:18px 22px 0 0;
 position:relative;
}
.cat-quick-item+.cat-quick-item{padding-left:22px}
.cat-quick-item+.cat-quick-item::before{
 content:"";position:absolute;left:0;top:22px;bottom:6px;width:1px;background:var(--line);
}
.cat-quick-num{font-family:var(--serif);font-size:26px;font-weight:700;color:var(--main);line-height:1.2}
.cat-quick-num small{font-size:14px;font-family:var(--sans);font-weight:500;color:var(--muted);margin-left:4px}
.cat-quick-label{font-size:13px;letter-spacing:.1em;color:var(--muted);margin-top:4px}

/* ---------- 数据条 ---------- */
.stat-strip{
 display:flex;flex-wrap:wrap;
 background:var(--card);
 border:1px solid var(--line);
 border-radius:var(--radius-card);
 box-shadow:var(--shadow);
 overflow:hidden;
}
.stat-strip-item{
 flex:1 1 25%;
 min-width:200px;
 padding:24px 26px;
 border-right:1px solid var(--line-soft);
}
.stat-strip-item:last-child{border-right:0}
.stat-strip-label{font-size:12.5px;letter-spacing:.14em;color:var(--muted);margin-bottom:8px}
.stat-strip-value{font-family:var(--serif);font-size:19px;font-weight:700;color:var(--text);line-height:1.5}
.stat-strip-note{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.7}

/* ---------- 区块标题 ---------- */
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:40px}
.sec-no{
 display:inline-block;font-size:12.5px;letter-spacing:.16em;color:var(--brown);
 border:1px dashed var(--line);border-radius:var(--radius-pill);
 padding:4px 12px;margin-bottom:14px;background:var(--card);
}
.sec-title{font-size:28px;line-height:1.42;max-width:720px}
.sec-desc{font-size:15.5px;color:var(--muted);max-width:520px;line-height:1.8;margin-top:12px}
.sec-aside{font-size:14px;color:var(--muted);max-width:340px;line-height:1.8}

/* ---------- 筛选 ---------- */
.filter-bar{
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
 padding:16px 0 22px;
 border-bottom:1px solid var(--line);
 margin-bottom:34px;
}
.filter-chips{display:flex;flex-wrap:wrap;gap:8px}
.filter-chip{
 appearance:none;background:transparent;border:1px solid var(--line);
 border-radius:var(--radius-pill);padding:7px 16px;font-size:14px;color:var(--muted);
 cursor:pointer;transition:all .18s ease;line-height:1.5;
}
.filter-chip:hover{border-color:var(--main);color:var(--main-dark)}
.filter-chip.is-on{background:var(--main-soft);border-color:var(--main);color:var(--brown-deep);font-weight:600}
.filter-sort{font-size:14px;color:var(--muted);display:flex;align-items:center;gap:10px}
.filter-sort strong{color:var(--text);font-weight:600}

/* ---------- 货源卡片 ---------- */
.lot-card{
 background:var(--card);
 border:1px solid var(--line);
 border-radius:var(--radius-card);
 overflow:hidden;
 height:100%;
 display:flex;flex-direction:column;
 box-shadow:var(--shadow);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.lot-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#DCCCB2}
.lot-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.lot-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.lot-card:hover .lot-media img{transform:scale(1.04)}
.lot-media::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(92,54,23,.16) 0%,rgba(92,54,23,.42) 100%);
}
.lot-badge{
 position:absolute;left:14px;top:14px;z-index:2;
 background:rgba(250,246,238,.94);color:var(--brown-deep);
 font-size:12px;letter-spacing:.08em;font-weight:600;
 border-radius:var(--radius-pill);padding:5px 12px;line-height:1.4;
}
.lot-region{
 position:absolute;right:14px;bottom:12px;z-index:2;
 color:#fff;font-size:13px;letter-spacing:.06em;
 text-shadow:0 1px 6px rgba(60,34,12,.6);
}
.lot-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.lot-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.lot-tags span{
 font-size:12px;color:var(--green);background:var(--green-soft);
 border-radius:var(--radius-pill);padding:3px 10px;line-height:1.6;
}
.lot-body h3{font-size:18.5px;line-height:1.5;margin-bottom:10px}
.lot-body p{font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:16px}
.lot-meta{
 margin-top:auto;padding-top:14px;border-top:1px solid var(--line-soft);
 display:flex;flex-wrap:wrap;gap:8px 16px;font-size:13px;color:var(--muted);
}
.lot-meta span{display:inline-flex;align-items:center;gap:6px}
.lot-meta span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--main);display:block}
.more-row{display:flex;justify-content:center;margin-top:44px}

/* ---------- FAQ / 询价要点 ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
 list-style:none;cursor:pointer;position:relative;
 padding:22px 48px 22px 0;
 font-family:var(--serif);font-size:18px;font-weight:700;color:var(--text);
 transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--main-dark)}
.faq-item summary::after{
 content:"";position:absolute;right:8px;top:31px;width:12px;height:12px;
 border-right:1.6px solid var(--main);border-bottom:1.6px solid var(--main);
 transform:rotate(45deg);transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);top:34px}
.faq-item p{font-size:15.5px;color:var(--muted);line-height:1.85;padding:0 48px 24px 0;max-width:820px}

/* ---------- 服务保障 ---------- */
.assure-list{display:flex;flex-wrap:wrap;margin-top:8px}
.assure-item{
 flex:1 1 25%;min-width:220px;padding:26px 26px 26px 0;
 border-top:1px solid rgba(63,107,74,.22);
}
.assure-item+.assure-item{padding-left:26px}
.assure-idx{font-family:var(--serif);font-size:14px;color:var(--green);letter-spacing:.14em;margin-bottom:10px}
.assure-item h3{font-size:17px;margin-bottom:8px}
.assure-item p{font-size:14.5px;color:#4F6153;line-height:1.8}

/* ---------- 相关专题 ---------- */
.topic-card{
 display:block;background:var(--card);border:1px solid var(--line);
 border-radius:var(--radius-card);padding:24px 24px 22px;height:100%;
 box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#DCCCB2;color:inherit}
.topic-date{font-size:12.5px;letter-spacing:.1em;color:var(--muted);margin-bottom:12px}
.topic-card h3{font-size:17.5px;line-height:1.55;margin-bottom:10px}
.topic-card p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0}
.topic-more{display:inline-block;margin-top:16px;font-size:13.5px;font-weight:600;color:var(--main-dark)}

/* ---------- CTA ---------- */
.cta-band{
 background:var(--brown-deep);
 color:#fff;border-radius:12px;
 padding:52px 48px;position:relative;overflow:hidden;
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 58px);
}
.cta-band-text{position:relative;z-index:1;max-width:640px}
.cta-band h2{color:#fff;font-size:26px;line-height:1.5;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.82);font-size:15.5px;line-height:1.85;margin:0}
.cta-band-action{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.7);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:64px 0 0;margin-top:0}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:19px;font-weight:700;margin-bottom:16px}
.footer-about{font-size:14.5px;color:var(--muted);line-height:1.85;max-width:420px;margin:0}
.footer-title{font-size:13px;letter-spacing:.16em;color:var(--brown);margin-bottom:16px;font-weight:600}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14.5px;color:var(--muted)}
.footer-links a:hover{color:var(--main-dark)}
.footer-contact li{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:10px}
.footer-bottom{
 margin-top:52px;border-top:1px solid var(--line);
 padding:22px 0 28px;
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 font-size:13px;color:var(--muted);
}

/* ---------- 动效 ---------- */
@media (prefers-reduced-motion:reduce){
 *{animation:none!important;transition:none!important}
 html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .cat-hero h1{font-size:33px}
 .sec-title{font-size:25px}
 .assure-item{flex:1 1 50%;min-width:0}
 .assure-item+.assure-item{padding-left:22px}
}
@media (max-width:960px){
 .main-nav{
  position:absolute;left:0;right:0;top:100%;
  background:var(--bg);border-bottom:1px solid var(--line);
  flex-direction:column;align-items:flex-start;gap:0;
  padding:8px 24px 18px;display:none;
 }
 .main-nav.is-open{display:flex}
 .nav-link{width:100%;padding:14px 0;border-bottom:1px solid var(--line-soft);font-size:17px}
 .nav-link:last-child{border-bottom:0}
 .nav-link::after{display:none}
 .nav-toggle{display:flex}
 .header-inner{height:64px}
}
@media (max-width:768px){
 body{font-size:16px}
 .container{padding:0 18px}
 .grid-margin-x{margin-left:-10px;margin-right:-10px}
 .grid-margin-x>.cell{padding-left:10px;padding-right:10px}
 .cat-hero{padding:36px 0 32px}
 .cat-hero h1{font-size:27px}
 .cat-hero-lead{font-size:15.5px}
 .cat-quick-item{flex:1 1 50%;min-width:0;padding:16px 16px 0 0}
 .cat-quick-item+.cat-quick-item{padding-left:16px}
 .cat-quick-item:nth-child(odd){padding-left:0}
 .cat-quick-item:nth-child(odd)::before{display:none}
 .cat-quick-item:nth-child(3),.cat-quick-item:nth-child(4){border-top:1px solid var(--line);margin-top:12px;padding-top:18px}
 .cat-quick-num{font-size:22px}
 .stat-strip-item{flex:1 1 100%;border-right:0;border-bottom:1px solid var(--line-soft);padding:20px 22px}
 .stat-strip-item:last-child{border-bottom:0}
 .sec-head{margin-bottom:28px}
 .sec-title{font-size:22px}
 .filter-bar{flex-direction:column;align-items:flex-start;gap:12px}
 .faq-item summary{font-size:16.5px;padding:18px 40px 18px 0}
 .faq-item summary::after{top:26px}
 .faq-item[open] summary::after{top:29px}
 .faq-item p{padding-right:20px;font-size:15px}
 .assure-item{flex:1 1 100%;padding:20px 0 20px 0}
 .assure-item+.assure-item{padding-left:0}
 .cta-band{padding:32px 22px;border-radius:10px}
 .cta-band h2{font-size:21px}
 .site-footer{padding-top:44px}
 .footer-bottom{margin-top:34px;flex-direction:column}
}
@media (max-width:520px){
 .brand{font-size:18px}
 .brand-sub{display:none}
 .header-actions .btn-sm{display:none}
 .lot-media{aspect-ratio:3/2}
}