/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --c-ink:#2B211A;
  --c-ink-2:#6E6055;
  --c-ink-3:#9C8F82;
  --c-brand:#4A3123;
  --c-brand-600:#5E412F;
  --c-brand-100:#E7DACB;
  --c-accent:#B9603A;
  --c-accent-hover:#A2512E;
  --c-moss:#6E7A57;
  --c-bg:#FAF6F0;
  --c-bg-2:#F1E9DD;
  --c-white:#FFFFFF;
  --c-line:#E3D8C9;
  --c-success:#4F7A46;
  --c-warn:#C08A2E;
  --c-error:#A8442F;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(43,33,26,.05), 0 8px 24px -14px rgba(43,33,26,.18);
  --shadow-2:0 18px 40px -20px rgba(43,33,26,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:240ms;
  --container:1200px;
  --font-serif:'Noto Serif SC','Source Han Serif SC','Songti SC','SimSun',serif;
  --font-sans:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
}
body.is-locked{overflow:hidden;}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;padding:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:600;line-height:1.32;color:var(--c-ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
time,.num{font-variant-numeric:tabular-nums;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--c-accent);
  outline-offset:2px;
  border-radius:4px;
}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 40px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:500;
  border:1.5px solid transparent;
  white-space:nowrap;
  cursor:pointer;
  transition:transform var(--t) var(--ease),background-color var(--t) var(--ease),
             color var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-primary{background:var(--c-accent);color:#fff;}
.btn-primary:hover{background:var(--c-accent-hover);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--c-brand);color:var(--c-brand);}
.btn-ghost:hover{background:var(--c-brand-100);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--c-brand);
  transition:color var(--t) var(--ease);
}
.link-arrow em{font-style:normal;transition:transform var(--t) var(--ease);}
.link-arrow:hover{color:var(--c-accent);}
.link-arrow:hover em{transform:translateX(3px);}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  height:68px;
  display:flex;
  align-items:center;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.site-header.is-stuck{
  background:rgba(250,246,240,.92);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  border-bottom-color:var(--c-line);
  box-shadow:0 1px 14px -8px rgba(43,33,26,.35);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  width:100%;
}
.nav-left{display:flex;align-items:center;gap:40px;min-width:0;}
.nav-right{display:flex;align-items:center;gap:12px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{display:inline-flex;color:var(--c-accent);}
.brand-text{
  font-family:var(--font-serif);
  font-size:19px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--c-ink);
  display:inline-flex;
  align-items:baseline;
}
.brand-text em{
  font-style:normal;
  font-family:var(--font-sans);
  font-size:12px;
  font-weight:400;
  letter-spacing:.12em;
  color:var(--c-ink-3);
  margin-left:8px;
}
.main-nav{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--c-ink-2);
  padding:6px 0;
  transition:color var(--t) var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:2px;
  border-radius:2px;
  background:var(--c-accent);
  transition:width var(--t) var(--ease);
}
.nav-link:hover{color:var(--c-ink);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--c-brand);font-weight:600;}
.nav-link.is-active::after{width:100%;}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  color:var(--c-ink-2);
  transition:background-color var(--t) var(--ease),color var(--t) var(--ease);
}
.icon-btn:hover{background:var(--c-brand-100);color:var(--c-brand);}
.hamburger{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  border-radius:10px;
  color:var(--c-brand);
  transition:background-color var(--t) var(--ease);
}
.hamburger:hover{background:var(--c-brand-100);}

/* 移动端抽屉 */
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:84vw;
  max-width:380px;
  background:var(--c-bg);
  z-index:120;
  transform:translateX(100%);
  transition:transform var(--t) var(--ease);
  display:flex;
  flex-direction:column;
  padding:22px 24px 30px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;color:var(--c-ink-2);
  transition:background-color var(--t) var(--ease);
}
.drawer-close:hover{background:var(--c-brand-100);}
.drawer-nav a{
  display:flex;align-items:center;
  height:52px;
  font-size:16px;
  color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
  transition:color var(--t) var(--ease),padding-left var(--t) var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--c-accent);padding-left:6px;}
.drawer-group{margin-top:26px;}
.drawer-group h4{font-size:13px;font-family:var(--font-sans);font-weight:500;letter-spacing:.12em;color:var(--c-ink-3);margin-bottom:10px;}
.drawer-group p{font-size:14px;color:var(--c-ink-2);line-height:1.9;}
.drawer-foot{margin-top:auto;padding-top:28px;}
.drawer-foot .btn{width:100%;}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(43,33,26,.5);
  z-index:110;
  opacity:0;visibility:hidden;
  transition:opacity var(--t) var(--ease),visibility var(--t);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:136px 0 112px;
  background:linear-gradient(180deg,#FDF9F4 0%,#F7F0E6 55%,var(--c-bg) 100%);
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  right:-140px;top:-80px;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(231,218,203,.85),rgba(231,218,203,0) 68%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:56px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--c-moss);
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:22px;height:1.5px;background:var(--c-moss);}
.hero h1{
  font-size:clamp(30px,4vw,48px);
  line-height:1.26;
  letter-spacing:-.01em;
  margin-bottom:20px;
}
.hero-sub{
  font-size:16.5px;
  line-height:1.9;
  color:var(--c-ink-2);
  max-width:33em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{
  display:flex;
  margin-top:46px;
  padding-top:26px;
  border-top:1px solid var(--c-line);
}
.hero-stats > div{flex:1;min-width:0;padding-right:16px;}
.hero-stats > div + div{border-left:1px solid var(--c-line);padding-left:22px;}
.hero-stats strong{
  display:block;
  font-family:var(--font-serif);
  font-size:clamp(22px,2.4vw,28px);
  font-weight:600;
  color:var(--c-brand);
  line-height:1.25;
}
.hero-stats span{font-size:13px;color:var(--c-ink-3);}
.hero-media{position:relative;}
.hero-img{
  width:100%;
  aspect-ratio:4/3.4;
  object-fit:cover;
  border-radius:18px;
  border:1px solid var(--c-line);
  box-shadow:var(--shadow-2);
}
.hero-img-sm{
  position:absolute;
  right:-16px;
  bottom:-26px;
  width:38%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:14px;
  border:5px solid #F7F0E6;
  box-shadow:var(--shadow-2);
}

/* ============ 品牌主张条 ============ */
.claims{padding:8px 0 92px;}
.claims-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
}
.claim{padding:34px 28px;}
.claim:first-child{padding-left:0;}
.claim:not(:first-child){border-left:1px solid var(--c-line);}
.claim-icon{
  display:inline-flex;
  width:34px;height:34px;
  align-items:center;justify-content:center;
  border-radius:9px;
  background:var(--c-brand-100);
  color:var(--c-brand);
  margin-bottom:14px;
}
.claim h3{font-size:17px;margin-bottom:8px;}
.claim p{font-size:13.5px;line-height:1.8;color:var(--c-ink-2);}

/* ============ 通用板块头 ============ */
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.section-head h2{font-size:clamp(24px,2.6vw,34px);}
.section-head .eyebrow{margin-bottom:12px;}

/* ============ 故事 / 理念 ============ */
.story{background:var(--c-bg-2);padding:96px 0;}
.story-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:56px;
  align-items:center;
}
.story-copy h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:20px;}
.story-copy p{font-size:15.5px;line-height:1.95;color:var(--c-ink-2);}
.story-copy p + p{margin-top:16px;}
.story-points{margin-top:26px;}
.story-points li{
  position:relative;
  padding-left:18px;
  margin-top:14px;
  font-size:15px;
  line-height:1.8;
  color:var(--c-ink-2);
}
.story-points li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:3px;height:15px;
  border-radius:2px;
  background:var(--c-accent);
}
.story-media img{
  width:100%;
  aspect-ratio:4/3.2;
  object-fit:cover;
  border-radius:16px;
  border:1px solid var(--c-line);
  box-shadow:var(--shadow-1);
}

/* ============ 卡片通用 ============ */
.card{
  background:var(--c-white);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.card-media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--c-bg-2);
}
.card-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 420ms var(--ease);
}
.card:hover .card-media img{transform:scale(1.03);}
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  letter-spacing:.04em;
  background:var(--c-brand-100);
  color:var(--c-brand);
  white-space:nowrap;
}
.badge-moss{background:rgba(110,122,87,.14);color:var(--c-moss);}
.card-media .badge{
  position:absolute;
  left:14px;top:14px;
  background:rgba(250,246,240,.94);
  box-shadow:0 1px 6px -2px rgba(43,33,26,.25);
}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:19px;line-height:1.45;margin-bottom:9px;}
.card-body p{font-size:14px;line-height:1.8;color:var(--c-ink-2);}
.card-foot{margin-top:auto;padding-top:18px;display:flex;justify-content:flex-end;}

/* ============ 木作系列 ============ */
.series{padding:96px 0;}
.series-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}

/* ============ 流程条 ============ */
.flow{background:var(--c-brand);padding:88px 0;color:#F3E9DD;}
.flow h2{color:#fff;font-size:clamp(24px,2.6vw,34px);}
.flow .eyebrow{color:#D9C6AE;}
.flow .eyebrow::before{background:#D9C6AE;}
.flow-intro{margin-top:14px;font-size:15px;color:rgba(243,233,221,.75);max-width:44em;}
.flow-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  margin-top:46px;
}
.flow-item{position:relative;padding-right:32px;}
.flow-item::after{
  content:"";
  position:absolute;
  top:19px;
  left:54px;
  right:8px;
  height:1px;
  background:rgba(231,218,203,.32);
}
.flow-item:last-child::after{display:none;}
.flow-num{
  position:relative;
  z-index:1;
  display:inline-flex;
  width:38px;height:38px;
  align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid rgba(231,218,203,.5);
  background:var(--c-brand);
  font-family:var(--font-serif);
  font-size:15px;
  color:#E7DACB;
  margin-bottom:18px;
}
.flow-item h3{color:#fff;font-size:18px;margin-bottom:8px;}
.flow-item p{font-size:13.5px;line-height:1.8;color:rgba(243,233,221,.72);}

/* ============ 信任背书 ============ */
.trust{padding:96px 0;}
.trust-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:start;}
.partner-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.partner{
  display:flex;
  align-items:center;
  justify-content:center;
  height:68px;
  padding:0 10px;
  text-align:center;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:var(--c-white);
  font-size:13.5px;
  color:var(--c-ink-3);
  transition:color var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.partner:hover{color:var(--c-brand);border-color:var(--c-brand-100);box-shadow:var(--shadow-1);}
.trust-facts li{
  display:flex;
  align-items:baseline;
  gap:20px;
  padding:18px 0;
  border-bottom:1px solid var(--c-line);
}
.trust-facts li:first-child{padding-top:0;}
.trust-facts strong{
  font-family:var(--font-serif);
  font-size:30px;
  font-weight:600;
  color:var(--c-brand);
  min-width:112px;
  line-height:1.2;
}
.trust-facts p{font-size:14px;line-height:1.8;color:var(--c-ink-2);}

/* ============ 最新信息 ============ */
.news{padding:96px 0;background:var(--c-bg-2);}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.news-card{
  display:grid;
  grid-template-columns:186px 1fr;
  background:var(--c-white);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.news-thumb{overflow:hidden;background:var(--c-bg-2);}
.news-thumb img{
  width:100%;height:100%;
  min-height:186px;
  object-fit:cover;
  transition:transform 420ms var(--ease);
}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:22px;display:flex;flex-direction:column;}
.news-body h3{font-size:17px;line-height:1.5;margin:10px 0 8px;}
.news-body h3 a{transition:color var(--t) var(--ease);}
.news-body h3 a:hover{color:var(--c-accent);}
.news-excerpt{
  font-size:13.5px;
  line-height:1.8;
  color:var(--c-ink-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  margin-top:auto;
  padding-top:16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:12.5px;
  color:var(--c-ink-3);
}
.news-meta .link-arrow{font-size:12.5px;}
.empty-state{
  min-height:220px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  text-align:center;
  border:1px dashed var(--c-line);
  border-radius:var(--r-card);
  background:repeating-linear-gradient(135deg,#F8F1E6,#F8F1E6 14px,#F2E8DB 14px,#F2E8DB 28px);
  color:var(--c-ink-2);
  font-size:15px;
}

/* ============ FAQ ============ */
.faq{padding:96px 0;}
.faq-list{max-width:880px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:first-child{border-top:1px solid var(--c-line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  padding:24px 0 24px 18px;
  font-family:var(--font-serif);
  font-size:18px;
  font-weight:600;
  color:var(--c-ink);
  transition:color var(--t) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;top:26px;bottom:26px;
  width:3px;
  border-radius:2px;
  background:var(--c-accent);
  opacity:0;
  transition:opacity var(--t) var(--ease);
}
.faq-item[open] summary::before{opacity:1;}
.faq-item summary:hover{color:var(--c-brand);}
.faq-icon{position:relative;width:18px;height:18px;flex-shrink:0;}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--c-brand);
  border-radius:2px;
  transition:transform var(--t) var(--ease),opacity var(--t) var(--ease);
}
.faq-icon::before{top:8px;left:0;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-answer{
  padding:0 0 26px 18px;
  font-size:15px;
  line-height:1.9;
  color:var(--c-ink-2);
  max-width:74ch;
}

/* ============ 预约 CTA ============ */
.cta{padding:0 0 96px;background:var(--c-bg);}
.cta-card{
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:48px;
  align-items:center;
  background:var(--c-white);
  border:1px solid var(--c-line);
  border-radius:20px;
  padding:52px;
  box-shadow:var(--shadow-1);
}
.cta-card h2{font-size:clamp(22px,2.3vw,30px);margin-bottom:14px;}
.cta-card .cta-text{font-size:15px;line-height:1.9;color:var(--c-ink-2);}
.cta-form{display:flex;gap:12px;}
.cta-form input{
  flex:1;
  min-width:0;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-input);
  border:1px solid var(--c-line);
  background:var(--c-bg);
  font-size:15px;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease),background-color var(--t) var(--ease);
}
.cta-form input::placeholder{color:var(--c-ink-3);}
.cta-form input:focus{
  outline:none;
  background:var(--c-white);
  border-color:var(--c-accent);
  box-shadow:0 0 0 3px rgba(185,96,58,.15);
}
.cta-form input.is-error{border-color:var(--c-error);box-shadow:0 0 0 3px rgba(168,68,47,.14);}
.form-note{margin-top:12px;font-size:13px;line-height:1.7;color:var(--c-ink-3);}
.form-msg{margin-top:10px;font-size:13px;line-height:1.7;display:none;}
.form-msg.is-show{display:block;}
.form-msg.is-ok{color:var(--c-success);}
.form-msg.is-bad{color:var(--c-error);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-bg-2);
  border-top:1px solid var(--c-line);
  padding-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1.3fr 1.3fr;
  gap:40px;
  padding-bottom:52px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.9;color:var(--c-ink-2);max-width:24em;}
.footer-title{
  font-family:var(--font-serif);
  font-size:14px;
  font-weight:600;
  color:var(--c-ink);
  margin-bottom:18px;
}
.footer-links li{margin-bottom:12px;}
.footer-links a{font-size:14px;color:var(--c-ink-2);transition:color var(--t) var(--ease);}
.footer-links a:hover{color:var(--c-accent);}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  line-height:1.9;
  color:var(--c-ink-2);
  margin-bottom:10px;
}
.footer-contact svg{flex-shrink:0;margin-top:6px;color:var(--c-brand);}
.footer-bottom{
  border-top:1px solid var(--c-line);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--c-ink-3);
}
.footer-bottom a{transition:color var(--t) var(--ease);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 32px;}
  .site-header{height:56px;}
  .main-nav{display:none;}
  .icon-btn{display:none;}
  .hamburger{display:inline-flex;}
  .nav-left{gap:0;}
  .hero{padding:104px 0 88px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-media{max-width:620px;}
  .hero-img{aspect-ratio:16/10;}
  .hero-img-sm{width:32%;right:10px;bottom:-20px;}
  .claims{padding-bottom:72px;}
  .claims-grid{grid-template-columns:1fr;}
  .claim{padding:26px 0;}
  .claim:not(:first-child){border-left:0;border-top:1px solid var(--c-line);}
  .story{padding:72px 0;}
  .story-grid{grid-template-columns:1fr;gap:36px;}
  .series{padding:72px 0;}
  .series-grid{grid-template-columns:repeat(2,1fr);}
  .flow{padding:72px 0;}
  .flow-grid{grid-template-columns:repeat(2,1fr);gap:34px 24px;}
  .flow-item::after{display:none;}
  .trust{padding:72px 0;}
  .trust-grid{grid-template-columns:1fr;gap:40px;}
  .news{padding:72px 0;}
  .news-grid{grid-template-columns:1fr;}
  .faq{padding:72px 0;}
  .cta{padding-bottom:72px;}
  .cta-card{grid-template-columns:1fr;gap:30px;padding:38px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .hero{padding:92px 0 76px;}
  .hero-sub{font-size:15.5px;}
  .hero-stats{flex-wrap:wrap;gap:20px 0;}
  .hero-stats > div{flex:0 0 50%;padding-right:14px;}
  .hero-stats > div:nth-child(3){border-left:0;padding-left:0;margin-top:6px;}
  .hero-stats > div:nth-child(3){flex-basis:100%;}
  .hero-img-sm{display:none;}
  .series-grid{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:1fr;}
  .partner-grid{grid-template-columns:repeat(2,1fr);}
  .news-card{grid-template-columns:1fr;}
  .news-thumb img{min-height:180px;aspect-ratio:16/10;height:180px;}
  .trust-facts strong{font-size:26px;min-width:92px;}
  .faq-item summary{font-size:16.5px;padding:20px 0 20px 14px;}
  .faq-item summary::before{top:22px;bottom:22px;}
  .faq-answer{padding:0 0 22px 14px;font-size:14.5px;}
  .cta-card{padding:28px 22px;}
  .cta-form{flex-direction:column;}
  .cta-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (min-width:1024px) and (max-width:1279px){
  .series-grid{grid-template-columns:repeat(3,1fr);gap:20px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
}

/* roulang page: article */
:root{
  --c-ink:#2B211A;
  --c-ink-2:#6E6055;
  --c-ink-3:#9C8F82;
  --c-brand:#4A3123;
  --c-brand-600:#5E412F;
  --c-brand-100:#E7DACB;
  --c-accent:#B9603A;
  --c-accent-hover:#A2512E;
  --c-moss:#6E7A57;
  --c-bg:#FAF6F0;
  --c-bg-2:#F1E9DD;
  --c-white:#FFFFFF;
  --c-line:#E3D8C9;
  --c-ok:#4F7A46;
  --c-warn:#C08A2E;
  --c-err:#A8442F;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(43,33,26,.05), 0 8px 24px -14px rgba(43,33,26,.18);
  --shadow-2:0 18px 40px -20px rgba(43,33,26,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:240ms;
  --nav-h:68px;
  --font-title:'Noto Serif SC','Source Han Serif SC','Songti SC','SimSun',serif;
  --font-body:'Noto Sans SC','PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;border:1px solid var(--c-line);border-radius:var(--r-img)}
a{color:var(--c-brand);text-decoration:none;transition:color var(--t) var(--ease)}
a:hover{color:var(--c-accent)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--font-title);font-weight:600;color:var(--c-ink);line-height:1.3}
p{margin:0}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;letter-spacing:.02em;
  transition:transform var(--t) var(--ease),background-color var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-brand);border:1.5px solid var(--c-brand)}
.btn-ghost:hover{background:var(--c-brand-100);color:var(--c-brand);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}
.btn.is-loading{position:relative;color:transparent}
.btn.is-loading::after{
  content:"";position:absolute;width:16px;height:16px;border-radius:50%;
  border:2px solid rgba(255,255,255,.45);border-top-color:#fff;
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--c-brand)}
.text-link svg{transition:transform var(--t) var(--ease)}
.text-link:hover{color:var(--c-accent)}
.text-link:hover svg{transform:translateX(3px)}

/* ---------- 标签 / 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-brand-100);color:var(--c-brand);
  font-size:12.5px;font-weight:500;letter-spacing:.02em;
}
.badge-moss{background:#E9EDE1;color:var(--c-moss)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,246,240,.94);
  border-bottom:1px solid transparent;
  transition:background-color var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.site-header.is-scrolled{
  background:rgba(250,246,240,.9);
  backdrop-filter:blur(6px);
  border-bottom-color:var(--c-line);
  box-shadow:0 6px 18px -16px rgba(43,33,26,.5);
}
.nav-inner{
  height:var(--nav-h);
  display:flex;align-items:center;gap:32px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink)}
.brand:hover{color:var(--c-ink)}
.brand-mark{display:inline-flex;color:var(--c-brand)}
.brand-text{font-family:var(--font-title);font-size:19px;font-weight:700;letter-spacing:.06em}
.brand-text em{font-style:normal;font-size:13px;font-weight:400;color:var(--c-ink-2);margin-left:6px;letter-spacing:.08em}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:var(--nav-h);
  padding:0 14px;font-size:15px;color:var(--c-ink-2);font-weight:400;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:16px;height:2px;
  background:var(--c-brand);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t) var(--ease);
}
.nav-link:hover{color:var(--c-brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-brand);font-weight:500}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-btn);color:var(--c-ink-2);border:1px solid transparent;
  transition:background-color var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.icon-btn:hover{background:var(--c-bg-2);color:var(--c-brand);border-color:var(--c-line)}
.nav-toggle{display:none}
.menu-mask{
  position:fixed;inset:0;background:rgba(43,33,26,.5);
  opacity:0;visibility:hidden;transition:opacity var(--t) var(--ease),visibility var(--t) var(--ease);z-index:70;
}
.menu-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:380px;
  background:var(--c-bg);z-index:80;transform:translateX(100%);
  transition:transform 320ms var(--ease);
  display:flex;flex-direction:column;padding:20px 0 24px;
  box-shadow:-16px 0 40px -24px rgba(43,33,26,.5);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 22px 16px;border-bottom:1px solid var(--c-line)}
.drawer-links{padding:8px 0;overflow-y:auto}
.drawer-links a{
  display:flex;align-items:center;height:52px;padding:0 22px;
  font-size:15.5px;color:var(--c-ink);border-bottom:1px solid var(--c-line);
}
.drawer-links a:hover{background:var(--c-bg-2);color:var(--c-brand)}
.drawer-links a.is-active{color:var(--c-brand);font-weight:500}
.drawer-foot{margin-top:auto;padding:20px 22px 0;border-top:1px solid var(--c-line)}
.drawer-foot .group-title{font-size:12.5px;letter-spacing:.14em;color:var(--c-ink-3);margin-bottom:12px}
.drawer-foot .btn{width:100%}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--c-bg-2);border-bottom:1px solid var(--c-line)}
.crumb-inner{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:18px 0;font-size:13.5px;color:var(--c-ink-3)}
.crumb-inner a{color:var(--c-ink-2)}
.crumb-inner a:hover{color:var(--c-accent)}
.crumb-sep{color:var(--c-ink-3)}
.crumb-current{color:var(--c-ink-3);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.crumb-badges{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-ink-3)}

/* ---------- 文章头 ---------- */
.article-head{padding:56px 0 34px}
.article-head h1{
  font-size:clamp(28px,3.6vw,40px);line-height:1.32;letter-spacing:.01em;
  max-width:900px;
}
.article-meta{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  margin-top:20px;font-size:13px;color:var(--c-ink-3);
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--c-ink-3)}
.article-rule{height:1px;background:var(--c-line);margin-top:26px}

/* ---------- 布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;
  gap:64px;padding:44px 0 88px;align-items:start;
}
.article-main{max-width:740px;margin:0 auto;width:100%}

/* ---------- 正文排版 ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--c-ink)}
.article-body > * + *{margin-top:1.4em}
.article-body p{margin:0}
.article-body h2{
  position:relative;font-size:clamp(22px,2.2vw,27px);line-height:1.4;
  margin-top:2.2em;margin-bottom:.8em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;
  background:var(--c-brand);border-radius:2px;
}
.article-body h3{font-size:20px;line-height:1.45;margin-top:1.8em;margin-bottom:.6em}
.article-body h4{font-size:17px;margin-top:1.5em;margin-bottom:.5em;color:var(--c-brand-600)}
.article-body a{color:var(--c-brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-accent)}
.article-body strong{font-weight:600}
.article-body ul,.article-body ol{margin:1.2em 0;padding-left:1.3em}
.article-body ul li,.article-body ol li{margin:.5em 0;position:relative}
.article-body ul{list-style:none;padding-left:1.2em}
.article-body ul li::before{
  content:"";position:absolute;left:-1.05em;top:.78em;width:6px;height:6px;
  border-radius:50%;background:var(--c-brand);
}
.article-body ol{list-style:decimal;padding-left:1.5em}
.article-body ol li::marker{color:var(--c-brand);font-weight:600}
.article-body blockquote{
  margin:1.8em 0;padding:20px 24px;background:var(--c-bg-2);
  border-left:3px solid var(--c-brand);border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--c-ink-2);font-size:16px;
}
.article-body blockquote p{margin:0}
.article-body img{
  width:100%;border-radius:var(--r-img);margin:1.8em 0 .8em;
}
.article-body figure{margin:1.8em 0}
.article-body figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:.4em}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.8em 0;font-size:15px;
  border:1px solid var(--c-line);border-radius:var(--r-img);overflow:hidden;
}
.article-body thead th{
  background:var(--c-bg-2);font-weight:600;text-align:left;
  font-family:var(--font-body);color:var(--c-brand-600);
}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--c-line)}
.article-body tbody tr:nth-child(even){background:rgba(241,233,221,.45)}
.article-body tbody tr:last-child td{border-bottom:none}
.article-body hr{border:none;height:1px;background:var(--c-line);margin:2.4em 0}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em;
  background:var(--c-bg-2);padding:2px 6px;border-radius:6px;color:var(--c-brand-600);
}
.article-empty{
  background:var(--c-bg-2);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:48px 36px;text-align:center;min-height:220px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
}
.article-empty h2{font-size:22px}
.article-empty p{color:var(--c-ink-2);font-size:15px;max-width:44ch}

/* ---------- 文章底部 ---------- */
.article-foot{margin-top:52px;padding-top:28px;border-top:1px solid var(--c-line)}
.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tag-row .label{font-size:13px;color:var(--c-ink-3)}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-white);
  font-size:13px;color:var(--c-ink-2);transition:all var(--t) var(--ease);
}
.tag:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-brand-100)}
.foot-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:24px}

/* ---------- 侧栏 ---------- */
.sidebar{display:flex;flex-direction:column;gap:22px;position:sticky;top:calc(var(--nav-h) + 24px)}
.side-card{
  background:var(--c-white);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:3px;height:15px;background:var(--c-brand);border-radius:2px}
.side-list li{border-bottom:1px solid var(--c-line)}
.side-list li:last-child{border-bottom:none}
.side-list a{
  display:flex;align-items:center;gap:8px;padding:11px 0;font-size:14.5px;color:var(--c-ink-2);
}
.side-list a:hover{color:var(--c-accent)}
.side-list a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-brand-100);flex:none}
.side-cover{width:100%;height:130px;border-radius:var(--r-img);margin-bottom:14px}
.side-cta{background:var(--c-brand);border-color:var(--c-brand);color:#fff}
.side-cta h3{color:#fff}
.side-cta h3::before{background:var(--c-accent)}
.side-cta p{font-size:14px;color:rgba(255,255,255,.78);line-height:1.8;margin-bottom:16px}
.side-cta .btn{width:100%}
.side-note{font-size:12.5px;color:rgba(255,255,255,.6);margin-top:10px;line-height:1.7}

/* ---------- 推荐卡片 ---------- */
.reco-section{padding:0 0 96px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-head h2{font-size:clamp(22px,2.4vw,30px)}
.section-head p{font-size:14px;color:var(--c-ink-3);margin-top:8px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--c-white);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--c-brand-100)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-bg-2)}
.card-media img{width:100%;height:100%;border:none;border-radius:0;transition:transform 420ms var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-media .badge{position:absolute;top:12px;left:12px;background:rgba(250,246,240,.94)}
.card-body{padding:20px 20px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17.5px;line-height:1.5}
.card-body p{font-size:14px;color:var(--c-ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--c-ink-3)}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--c-bg-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:76px 0}
.cta-inner h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:14px}
.cta-inner p{font-size:15px;color:var(--c-ink-2);max-width:46ch}
.sub-form{display:flex;gap:12px;align-items:stretch}
.sub-form input{
  flex:1;height:48px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:var(--c-white);font-size:15px;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.sub-form input::placeholder{color:var(--c-ink-3)}
.sub-form input:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(74,49,35,.12)}
.form-note{font-size:13px;color:var(--c-ink-3);margin-top:12px;line-height:1.7}
.form-hint{font-size:13px;color:var(--c-err);margin-top:8px;display:none}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-bg-2);border-top:1px solid var(--c-line);padding:72px 0 0;font-size:14px;line-height:1.9}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.3fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{color:var(--c-ink-2);max-width:34ch;font-size:14px}
.footer-title{font-size:15px;margin-bottom:16px;font-family:var(--font-body);font-weight:600}
.footer-links li,.footer-contact li{margin-bottom:10px}
.footer-links a{color:var(--c-ink-2)}
.footer-links a:hover{color:var(--c-accent)}
.footer-contact li{display:flex;align-items:flex-start;gap:8px;color:var(--c-ink-2)}
.footer-contact svg{flex:none;margin-top:6px;color:var(--c-brand)}
.footer-bottom{
  border-top:1px solid var(--c-line);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--c-ink-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;padding-bottom:72px}
  .article-main{max-width:740px}
  .sidebar{position:static;margin-top:48px;flex-direction:row;flex-wrap:wrap}
  .sidebar .side-card{flex:1 1 280px}
}
@media (max-width:1023px){
  .container{padding:0 32px}
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{height:56px;gap:16px}
  :root{--nav-h:56px}
  .nav-actions .btn-primary{display:none}
  .article-head{padding:44px 0 30px}
  .cta-inner{grid-template-columns:1fr;gap:28px;padding:64px 0}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .article-head{padding:36px 0 24px}
  .article-body{font-size:16px;line-height:1.88}
  .article-head h1{font-size:26px}
  .crumb-current{max-width:32ch}
  .crumb-badges{margin-left:0;width:100%}
  .reco-section{padding-bottom:64px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .article-body table{font-size:14px}
  .article-body th,.article-body td{padding:10px 12px}
}
@media (max-width:520px){
  .card-grid{grid-template-columns:1fr}
  .sidebar{flex-direction:column}
  .brand-text{font-size:17px}
  .brand-text em{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category2 */
:root{
  --c-ink:#2B211A;
  --c-ink-2:#6E6055;
  --c-ink-3:#9C8F82;
  --c-brand:#4A3123;
  --c-brand-600:#5E412F;
  --c-brand-100:#E7DACB;
  --c-accent:#B9603A;
  --c-accent-hover:#A2512E;
  --c-moss:#6E7A57;
  --c-bg:#FAF6F0;
  --c-bg-2:#F1E9DD;
  --c-white:#FFFFFF;
  --c-line:#E3D8C9;
  --c-success:#4F7A46;
  --c-warn:#C08A2E;
  --c-error:#A8442F;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(43,33,26,.05),0 8px 24px -14px rgba(43,33,26,.18);
  --shadow-2:0 18px 40px -20px rgba(43,33,26,.28);
  --font-serif:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
  --font-sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:68px;
  --gap:24px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);border:1px solid var(--c-line);object-fit:cover;background:var(--c-bg-2);}
a{color:var(--c-brand);text-decoration:none;transition:color 240ms var(--ease),border-color 240ms var(--ease),background-color 240ms var(--ease);}
a:hover{color:var(--c-accent);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;margin:0;color:var(--c-ink);letter-spacing:.01em;}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.25;}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 40px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--c-bg);
  border-bottom:1px solid transparent;
  transition:background-color 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease);
}
.site-header.is-scrolled{
  background:rgba(250,246,240,.9);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 6px 20px -16px rgba(43,33,26,.35);
}
.header-inner{
  height:var(--nav-h);
  display:flex;
  align-items:center;
  gap:36px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--c-brand);
  flex:0 0 auto;
}
.brand:hover{color:var(--c-brand-600);}
.brand-mark{
  width:34px;
  height:34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:9px;
  background:var(--c-brand-100);
  color:var(--c-brand);
  border:1px solid var(--c-line);
}
.brand-text{
  font-family:var(--font-serif);
  font-size:19px;
  font-weight:600;
  letter-spacing:.04em;
  display:inline-flex;
  align-items:baseline;
  gap:6px;
}
.brand-text em{
  font-style:normal;
  font-family:var(--font-sans);
  font-size:12px;
  font-weight:400;
  letter-spacing:.12em;
  color:var(--c-ink-2);
}
.main-nav{
  display:flex;
  align-items:center;
  gap:30px;
  margin-right:auto;
}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--c-ink-2);
  padding:6px 0;
  line-height:1.4;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  background:var(--c-brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform 240ms var(--ease);
  border-radius:2px;
}
.nav-link:hover{color:var(--c-brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-brand);font-weight:500;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}
.icon-btn{
  width:40px;
  height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:var(--c-white);
  color:var(--c-brand);
  transition:border-color 240ms var(--ease),background-color 240ms var(--ease),transform 240ms var(--ease);
}
.icon-btn:hover{border-color:var(--c-brand);background:var(--c-brand-100);transform:translateY(-1px);}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid var(--c-line);
  background:var(--c-white);
  color:var(--c-brand);
}
.nav-toggle .bars{display:block;width:18px;height:12px;position:relative;}
.nav-toggle .bars span{
  position:absolute;left:0;right:0;height:1.5px;background:currentColor;border-radius:2px;
  transition:transform 240ms var(--ease),opacity 200ms var(--ease);
}
.nav-toggle .bars span:nth-child(1){top:0;}
.nav-toggle .bars span:nth-child(2){top:5px;}
.nav-toggle .bars span:nth-child(3){top:10px;}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(43,33,26,.5);
  opacity:0;
  pointer-events:none;
  transition:opacity 240ms var(--ease);
  z-index:80;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;
  top:0;
  right:0;
  height:100%;
  width:84vw;
  max-width:380px;
  background:var(--c-bg);
  z-index:90;
  transform:translateX(102%);
  transition:transform 300ms var(--ease);
  display:flex;
  flex-direction:column;
  box-shadow:var(--shadow-2);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:56px;
  padding:0 20px;
  border-bottom:1px solid var(--c-line);
}
.drawer-close{
  width:38px;height:38px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:var(--c-white);
  color:var(--c-brand);font-size:18px;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  height:52px;
  display:flex;
  align-items:center;
  padding:0 20px;
  font-size:16px;
  color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.drawer-nav a.is-active{color:var(--c-brand);font-weight:500;background:var(--c-bg-2);}
.drawer-foot{
  margin-top:auto;
  padding:24px 20px 28px;
  border-top:1px solid var(--c-line);
}
.drawer-foot .group-title{
  font-size:13px;
  color:var(--c-ink-3);
  letter-spacing:.08em;
  margin-bottom:12px;
}
.drawer-foot p{font-size:14px;color:var(--c-ink-2);margin-bottom:18px;line-height:1.9;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:500;
  line-height:1;
  white-space:nowrap;
  transition:background-color 240ms var(--ease),color 240ms var(--ease),border-color 240ms var(--ease),transform 240ms var(--ease),box-shadow 240ms var(--ease);
}
.btn-primary{
  background:var(--c-accent);
  color:#fff;
  box-shadow:0 10px 22px -16px rgba(185,96,58,.9);
}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  border-color:var(--c-brand);
  color:var(--c-brand);
}
.btn-ghost:hover{background:var(--c-brand-100);color:var(--c-brand-600);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.arrow-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:500;
  color:var(--c-brand);
}
.arrow-link svg{transition:transform 240ms var(--ease);}
.arrow-link:hover{color:var(--c-accent);}
.arrow-link:hover svg{transform:translateX(3px);}

/* ---------- hero ---------- */
.hero{
  padding:calc(var(--nav-h) + 28px) 0 clamp(56px,7vw,86px);
  background:
    radial-gradient(900px 380px at 12% -10%,rgba(231,218,203,.85),transparent 70%),
    var(--c-bg);
}
.hero-head{
  max-width:820px;
  margin:0 auto;
  text-align:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--c-moss);
  background:var(--c-white);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  padding:6px 16px;
  margin-bottom:22px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--c-moss);
}
.hero-title{margin-bottom:20px;}
.hero-sub{
  font-size:17px;
  line-height:1.9;
  color:var(--c-ink-2);
  max-width:660px;
  margin:0 auto;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:14px;
  margin-top:32px;
}
.hero-media{
  margin-top:clamp(36px,5vw,58px);
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow-2);
}
.hero-media img{
  width:100%;
  height:clamp(220px,40vw,420px);
  border-radius:18px;
  border-color:rgba(227,216,201,.7);
}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  margin-top:clamp(32px,4vw,48px);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
}
.stat{
  padding:24px 22px;
  border-left:1px solid var(--c-line);
}
.stat:first-child{border-left:0;padding-left:0;}
.stat-num{
  display:block;
  font-family:var(--font-serif);
  font-size:clamp(26px,3vw,36px);
  font-weight:600;
  line-height:1.2;
  color:var(--c-brand);
  font-variant-numeric:tabular-nums;
}
.stat-label{
  display:block;
  margin-top:6px;
  font-size:13px;
  color:var(--c-ink-3);
  line-height:1.7;
}

/* ---------- claims ---------- */
.claims{
  background:var(--c-bg-2);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
  padding:clamp(36px,4.5vw,56px) 0;
}
.claims-row{
  display:grid;
  grid-template-columns:repeat(3,1fr);
}
.claim{
  padding:4px 28px;
  border-left:1px solid var(--c-line);
}
.claim:first-child{border-left:0;padding-left:0;}
.claim-title{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-serif);
  font-size:17px;
  font-weight:600;
  color:var(--c-brand);
  margin-bottom:8px;
}
.claim-title svg{flex:0 0 auto;color:var(--c-accent);}
.claim p{font-size:14px;line-height:1.85;color:var(--c-ink-2);}

/* ---------- sections ---------- */
.section{padding:clamp(48px,7vw,96px) 0;}
.bg-2{background:var(--c-bg-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.bg-warm{
  background:linear-gradient(180deg,#F6EDE1 0%,#EFE3D3 100%);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
}
.section-head{max-width:760px;margin-bottom:clamp(32px,4vw,52px);}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}
.section-title{margin-bottom:14px;}
.section-desc{font-size:16px;line-height:1.9;color:var(--c-ink-2);}

/* ---------- alternating rows ---------- */
.alt-list{display:flex;flex-direction:column;gap:clamp(36px,5vw,64px);}
.alt-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(28px,4vw,56px);
  align-items:center;
}
.alt-row:nth-child(even) .alt-media{order:2;}
.alt-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);}
.alt-media img{width:100%;height:clamp(200px,24vw,300px);border-radius:var(--r-card);transition:transform 400ms var(--ease);}
.alt-row:hover .alt-media img{transform:scale(1.03);}
.alt-body .tag{margin-bottom:14px;}
.alt-body h3{margin-bottom:12px;font-size:clamp(20px,2.1vw,24px);}
.alt-body p{font-size:15px;line-height:1.9;color:var(--c-ink-2);margin-bottom:16px;}
.tag{
  display:inline-flex;
  align-items:center;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--c-moss);
  background:rgba(110,122,87,.12);
  border:1px solid rgba(110,122,87,.25);
  border-radius:var(--r-pill);
  padding:4px 12px;
  line-height:1.6;
}
.badge{
  display:inline-flex;
  align-items:center;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--c-brand);
  background:var(--c-brand-100);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  padding:4px 12px;
  line-height:1.6;
}

/* ---------- media card grid ---------- */
.media-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:var(--gap);
}
.media-card{
  display:grid;
  grid-template-columns:170px 1fr;
  gap:20px;
  background:var(--c-white);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:16px;
  box-shadow:var(--shadow-1);
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease);
}
.media-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-2);
  border-color:#D6C7B4;
}
.card-media{
  border-radius:var(--r-img);
  overflow:hidden;
  background:var(--c-bg-2);
}
.card-media img{
  width:100%;
  height:100%;
  min-height:150px;
  border-radius:var(--r-img);
  transition:transform 400ms var(--ease);
}
.media-card:hover .card-media img{transform:scale(1.03);}
.card-body{display:flex;flex-direction:column;gap:8px;}
.card-body h3{font-size:20px;margin-top:2px;}
.card-body p{font-size:14px;line-height:1.85;color:var(--c-ink-2);}
.card-body .arrow-link{margin-top:auto;}

/* ---------- flow ---------- */
.flow{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--gap);
  position:relative;
}
.flow::before{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  top:17px;
  height:1px;
  background:var(--c-line);
}
.flow-step{position:relative;padding-top:52px;}
.flow-num{
  position:absolute;
  top:0;left:0;
  width:36px;height:36px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:var(--c-bg);
  border:1px solid var(--c-brand);
  color:var(--c-brand);
  font-family:var(--font-serif);
  font-size:14px;
  font-weight:600;
  font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:18px;margin-bottom:8px;}
.flow-step p{font-size:14px;line-height:1.85;color:var(--c-ink-2);}

/* ---------- spec ---------- */
.spec-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:rgba(74,49,35,.14);
  border:1px solid rgba(74,49,35,.14);
  border-radius:var(--r-card);
  overflow:hidden;
}
.spec-item{
  background:rgba(255,255,255,.72);
  padding:26px 24px;
}
.spec-item h3{
  font-size:17px;
  margin-bottom:10px;
  display:flex;
  align-items:center;
  gap:8px;
}
.spec-item h3::before{
  content:"";
  width:3px;
  height:16px;
  border-radius:2px;
  background:var(--c-accent);
}
.spec-item p{font-size:14px;line-height:1.9;color:var(--c-ink-2);}
.spec-note{
  margin-top:22px;
  font-size:13px;
  color:var(--c-ink-3);
  line-height:1.9;
}

/* ---------- faq ---------- */
.faq-list{
  border-top:1px solid var(--c-line);
  max-width:900px;
  margin:0 auto;
}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-q{
  width:100%;
  background:none;
  border:0;
  padding:24px 44px 24px 0;
  text-align:left;
  font-family:var(--font-serif);
  font-size:17px;
  font-weight:500;
  color:var(--c-ink);
  position:relative;
  line-height:1.6;
  transition:color 240ms var(--ease);
}
.faq-q:hover{color:var(--c-brand);}
.faq-icon{
  position:absolute;
  right:6px;
  top:50%;
  width:18px;
  height:18px;
  margin-top:-9px;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--c-brand);
  border-radius:2px;
  transition:transform 240ms var(--ease),opacity 240ms var(--ease);
}
.faq-icon::before{left:0;top:8px;width:18px;height:1.6px;}
.faq-icon::after{left:8px;top:0;width:1.6px;height:18px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 320ms var(--ease);
}
.faq-a-inner{
  padding:0 44px 26px 18px;
  border-left:3px solid var(--c-accent);
  font-size:15px;
  line-height:1.95;
  color:var(--c-ink-2);
}
.faq-item.is-open .faq-a{max-height:420px;}

/* ---------- cta ---------- */
.cta-band{
  background:var(--c-white);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
  padding:clamp(48px,6vw,84px) 0;
}
.cta-inner{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:clamp(28px,4vw,56px);
  align-items:center;
}
.cta-copy h2{margin-bottom:14px;}
.cta-copy p{font-size:15px;line-height:1.9;color:var(--c-ink-2);}
.cta-form{
  background:var(--c-bg);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--shadow-1);
}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{
  font-size:13px;
  color:var(--c-ink-2);
  letter-spacing:.04em;
}
.field input{
  height:48px;
  border-radius:var(--r-input);
  border:1px solid var(--c-line);
  background:var(--c-white);
  padding:0 16px;
  font-size:15px;
  color:var(--c-ink);
  transition:border-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.field input::placeholder{color:var(--c-ink-3);}
.field input:focus{
  outline:none;
  border-color:var(--c-brand);
  box-shadow:0 0 0 3px rgba(74,49,35,.1);
}
.field.is-error input{border-color:var(--c-error);}
.field-msg{
  font-size:13px;
  line-height:1.7;
  color:var(--c-error);
  min-height:18px;
}
.field.is-ok .field-msg{color:var(--c-success);}
.cta-form .btn{margin-top:4px;}
.privacy{
  margin-top:12px;
  font-size:13px;
  line-height:1.8;
  color:var(--c-ink-3);
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--c-bg-2);
  border-top:1px solid var(--c-line);
  padding:clamp(44px,5vw,72px) 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1.2fr 1fr;
  gap:clamp(26px,3.5vw,44px);
  padding-bottom:clamp(32px,4vw,52px);
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.9;color:var(--c-ink-2);max-width:320px;}
.footer-title{
  font-family:var(--font-sans);
  font-size:14px;
  font-weight:600;
  color:var(--c-ink);
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-links li{margin-bottom:4px;}
.footer-links a{
  font-size:14px;
  line-height:1.9;
  color:var(--c-ink-2);
  display:inline-block;
  padding:2px 0;
}
.footer-links a:hover{color:var(--c-accent);}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:8px;
  font-size:14px;
  line-height:1.9;
  color:var(--c-ink-2);
  margin-bottom:10px;
}
.footer-contact svg{flex:0 0 auto;margin-top:6px;color:var(--c-brand);}
.footer-note{
  margin-top:12px;
  font-size:13px;
  line-height:1.8;
  color:var(--c-ink-3);
}
.footer-bottom{
  border-top:1px solid var(--c-line);
  padding:18px 0 22px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  line-height:1.8;
  color:var(--c-ink-3);
}
.footer-bottom a{color:var(--c-ink-3);}
.footer-bottom a:hover{color:var(--c-brand);}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .media-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  :root{--nav-h:56px;}
  .container{padding:0 32px;}
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{gap:16px;}
  .header-actions{margin-left:auto;}
  .hero{padding-top:calc(var(--nav-h) + 32px);}
  .alt-row{grid-template-columns:1fr 1fr;gap:28px;}
  .media-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:repeat(2,1fr);row-gap:36px;}
  .flow::before{display:none;}
  .spec-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .brand-text em{display:none;}
  .hero-media img{height:240px;}
  .hero-stats{grid-template-columns:1fr;}
  .stat{border-left:0;padding:16px 0;border-top:1px solid var(--c-line);}
  .stat:first-child{border-top:0;padding-top:0;}
  .claims-row{grid-template-columns:1fr;}
  .claim{border-left:0;padding:16px 0;border-top:1px solid var(--c-line);}
  .claim:first-child{border-top:0;padding-top:0;}
  .alt-row,
  .alt-row:nth-child(even){grid-template-columns:1fr;}
  .alt-row:nth-child(even) .alt-media{order:0;}
  .media-card{grid-template-columns:1fr;}
  .card-media img{height:190px;min-height:0;}
  .flow{grid-template-columns:1fr;}
  .spec-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .hero-actions .btn{flex:1 1 auto;}
  .faq-q{padding:20px 40px 20px 0;font-size:16px;}
  .faq-a-inner{padding:0 24px 24px 16px;}
}
@media (max-width:520px){
  .brand-text{font-size:17px;}
  .icon-btn{display:none;}
  .btn{height:46px;padding:0 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --c-ink:#2B211A;
  --c-ink-2:#6E6055;
  --c-ink-3:#9C8F82;
  --c-brand:#4A3123;
  --c-brand-600:#5E412F;
  --c-brand-100:#E7DACB;
  --c-accent:#B9603A;
  --c-accent-hover:#A2512E;
  --c-moss:#6E7A57;
  --c-bg:#FAF6F0;
  --c-bg-2:#F1E9DD;
  --c-white:#FFFFFF;
  --c-line:#E3D8C9;
  --c-ok:#4F7A46;
  --c-warn:#C08A2E;
  --c-error:#A8442F;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(43,33,26,.05),0 8px 24px -14px rgba(43,33,26,.18);
  --shadow-2:0 18px 40px -20px rgba(43,33,26,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:240ms;
  --font-serif:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
  --font-sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --nav-h:68px;
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-brand);text-decoration:none;transition:color var(--t) var(--ease)}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px}
.serif{font-family:var(--font-serif)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}
.section{padding:var(--sec-y) 0}
.section--alt{background:var(--c-bg-2)}
.section--white{background:var(--c-white)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;color:var(--c-brand);
  background:var(--c-brand-100);
  padding:5px 14px;border-radius:var(--r-pill);
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.section-title{
  font-family:var(--font-serif);
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.3;
  font-weight:600;
  letter-spacing:.01em;
}
.section-sub{margin-top:14px;color:var(--c-ink-2);font-size:15.5px}
.divider{height:1px;background:var(--c-line);border:0;margin:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;line-height:1;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-brand);border:1.5px solid var(--c-brand)}
.btn-ghost:hover{background:var(--c-brand-100);color:var(--c-brand);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-brand);font-size:14.5px;font-weight:500;
}
.link-arrow svg{transition:transform var(--t) var(--ease)}
.link-arrow:hover{color:var(--c-accent)}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-bg);
  border-bottom:1px solid transparent;
  transition:background var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease),backdrop-filter var(--t) var(--ease);
}
.site-header.is-stuck{
  background:rgba(250,246,240,.92);
  backdrop-filter:blur(6px);
  border-bottom-color:var(--c-line);
  box-shadow:0 1px 0 rgba(43,33,26,.04),0 6px 18px -14px rgba(43,33,26,.35);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  height:var(--nav-h);
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-brand)}
.brand:hover{color:var(--c-brand)}
.brand-mark{display:inline-flex;color:var(--c-accent)}
.brand-text{font-family:var(--font-serif);font-size:19px;font-weight:700;letter-spacing:.02em;line-height:1}
.brand-text em{font-style:normal;font-size:13px;font-weight:500;color:var(--c-ink-2);margin-left:8px;letter-spacing:.04em}
.nav-cluster{display:flex;align-items:center;gap:28px;flex:1;min-width:0}
.main-nav{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:var(--nav-h);
  font-size:15px;color:var(--c-ink-2);font-weight:500;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;border-radius:2px;
  background:transparent;transition:background var(--t) var(--ease);
}
.nav-link:hover{color:var(--c-brand)}
.nav-link:hover::after{background:var(--c-brand-100)}
.nav-link.is-active{color:var(--c-brand);font-weight:600}
.nav-link.is-active::after{background:var(--c-accent)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.icon-btn{
  width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);color:var(--c-ink-2);border:1px solid transparent;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.icon-btn:hover{background:var(--c-brand-100);color:var(--c-brand);border-color:var(--c-line)}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:var(--r-btn);color:var(--c-brand)}
.nav-toggle:hover{background:var(--c-brand-100)}
.nav-toggle .bars{display:block;width:20px;height:14px;position:relative}
.nav-toggle .bars span{position:absolute;left:0;right:0;height:1.6px;background:currentColor;border-radius:2px;transition:transform var(--t) var(--ease),opacity var(--t) var(--ease)}
.nav-toggle .bars span:nth-child(1){top:0}
.nav-toggle .bars span:nth-child(2){top:6px}
.nav-toggle .bars span:nth-child(3){top:12px}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(43,33,26,.5);
  opacity:0;visibility:hidden;transition:opacity var(--t) var(--ease),visibility var(--t) var(--ease);z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:380px;
  background:var(--c-bg);z-index:90;transform:translateX(102%);
  transition:transform 300ms var(--ease);
  display:flex;flex-direction:column;padding:22px 22px 26px;overflow-y:auto;
  border-left:1px solid var(--c-line);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-title{font-size:13px;letter-spacing:.14em;color:var(--c-ink-3)}
.drawer-close{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-btn);color:var(--c-ink-2)}
.drawer-close:hover{background:var(--c-brand-100);color:var(--c-brand)}
.drawer-nav{display:flex;flex-direction:column;margin-top:6px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;font-size:16px;color:var(--c-ink);border-bottom:1px solid var(--c-line);
}
.drawer-nav a.is-active{color:var(--c-brand);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:26px}
.drawer-group-title{font-size:13px;color:var(--c-ink-3);margin-bottom:12px;letter-spacing:.08em}
.drawer-note{font-size:13px;color:var(--c-ink-2);line-height:1.9;margin-bottom:16px}
body.is-locked{overflow:hidden}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);padding-top:28px}
.breadcrumb a{color:var(--c-ink-2)}
.breadcrumb a:hover{color:var(--c-accent)}
.breadcrumb .sep{color:var(--c-ink-3)}
.breadcrumb .current{color:var(--c-ink-3)}

/* ---------- 分类 Hero ---------- */
.cat-hero{padding-bottom:84px;background:var(--c-bg)}
.hero-grid{
  display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;
  padding-top:44px;
}
.hero-copy h1{
  font-family:var(--font-serif);
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.25;font-weight:700;letter-spacing:.01em;
}
.hero-lead{margin-top:20px;font-size:16.5px;color:var(--c-ink-2);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-media{
  position:relative;border-radius:18px;overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--shadow-1);
  aspect-ratio:3/2;background:var(--c-bg-2);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:0 42px;margin-top:38px;padding-top:26px;
  border-top:1px solid var(--c-line);
}
.hero-fact{min-width:110px}
.hero-fact strong{
  display:block;font-family:var(--font-serif);font-size:28px;font-weight:700;line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.hero-fact span{display:block;font-size:13px;color:var(--c-ink-3);margin-top:4px}

/* ---------- 说明区 ---------- */
.intro-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:start}
.intro-copy p{color:var(--c-ink-2);margin-bottom:20px;font-size:16px}
.intro-copy p:last-child{margin-bottom:0}
.point-list{margin-top:26px}
.point-list li{
  position:relative;padding-left:18px;margin-bottom:14px;font-size:15px;color:var(--c-ink);
}
.point-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:3px;height:14px;border-radius:2px;background:var(--c-accent);
}
.point-list li span{color:var(--c-ink-2);font-size:14.5px}
.intro-media{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);
  box-shadow:var(--shadow-1);background:var(--c-bg-2);
}
.intro-media img{width:100%;aspect-ratio:4/5;object-fit:cover}
.intro-media figcaption{font-size:13px;color:var(--c-ink-3);padding:12px 16px;background:var(--c-white);border-top:1px solid var(--c-line)}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{
  display:flex;flex-direction:column;background:var(--c-white);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D9C9B4}
.card-media{position:relative;overflow:hidden;background:var(--c-bg-2)}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 420ms var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-badge{
  position:absolute;left:12px;top:12px;
  background:rgba(250,246,240,.94);color:var(--c-brand);
  font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:4px 11px;border-radius:var(--r-pill);border:1px solid var(--c-line);
}
.card-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1}
.card-title{font-size:20px;line-height:1.45;font-weight:600;font-family:var(--font-serif)}
.card-text{margin-top:10px;font-size:14.5px;color:var(--c-ink-2);line-height:1.8}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  font-size:12px;color:var(--c-moss);background:rgba(110,122,87,.1);
  border-radius:var(--r-pill);padding:3px 10px;line-height:1.6;
}
.card-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between}

/* ---------- 材质规格带 ---------- */
.spec-band{
  background:var(--c-bg-2);border:1px solid var(--c-line);border-radius:18px;
  padding:44px 46px;display:grid;grid-template-columns:repeat(4,1fr);gap:30px;
}
.spec-item .spec-label{
  font-size:13px;letter-spacing:.08em;color:var(--c-ink-3);display:block;margin-bottom:10px;
}
.spec-item strong{
  display:block;font-family:var(--font-serif);font-size:19px;font-weight:600;line-height:1.5;
}
.spec-item p{margin-top:8px;font-size:14px;color:var(--c-ink-2);line-height:1.8}

/* ---------- 流程条 ---------- */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--c-line);margin-top:12px}
.process-step{
  position:relative;padding:30px 26px 34px 0;
}
.process-step::before{
  content:"";position:absolute;top:-1px;left:0;width:46px;height:2px;background:var(--c-accent);border-radius:2px;
}
.process-step + .process-step{padding-left:34px;border-left:1px solid var(--c-line)}
.process-num{
  font-family:var(--font-serif);font-size:15px;font-weight:700;color:var(--c-accent);
  display:block;margin-bottom:14px;font-variant-numeric:tabular-nums;letter-spacing:.06em;
}
.process-step h3{font-size:19px;font-weight:600;line-height:1.45}
.process-step p{margin-top:10px;font-size:14.5px;color:var(--c-ink-2)}

/* ---------- 数据与评价 ---------- */
.proof-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:start}
.proof-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-bottom:34px}
.proof-stat{border-left:3px solid var(--c-brand-100);padding-left:16px}
.proof-stat strong{display:block;font-family:var(--font-serif);font-size:30px;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums}
.proof-stat span{display:block;font-size:13px;color:var(--c-ink-3);margin-top:6px}
.quote-list{display:grid;gap:18px}
.quote{
  background:var(--c-white);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--shadow-1);
}
.quote p{font-size:15px;color:var(--c-ink);line-height:1.85}
.quote footer{margin-top:14px;font-size:13px;color:var(--c-ink-3)}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:first-child{border-top:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 4px 24px 0;text-align:left;font-size:17px;font-weight:500;color:var(--c-ink);
  transition:color var(--t) var(--ease);
}
.faq-q:hover{color:var(--c-brand)}
.faq-sign{
  position:relative;flex:0 0 20px;width:20px;height:20px;color:var(--c-brand);
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
  transition:transform var(--t) var(--ease),opacity var(--t) var(--ease);
}
.faq-sign::before{left:0;top:9.2px;width:20px;height:1.6px}
.faq-sign::after{top:0;left:9.2px;width:1.6px;height:20px}
.faq-item.is-open .faq-q{color:var(--c-brand);font-weight:600}
.faq-item.is-open .faq-sign::after{transform:scaleY(0);opacity:0}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 320ms var(--ease);
}
.faq-a-inner{
  padding:0 60px 26px 18px;border-left:3px solid var(--c-accent);
  margin-left:2px;font-size:15px;color:var(--c-ink-2);line-height:1.9;
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--c-brand);border-radius:20px;padding:52px 54px;
  display:grid;grid-template-columns:6fr 5fr;gap:52px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-60px;width:300px;height:300px;
  border-radius:50%;background:rgba(231,218,203,.08);
}
.cta-band .cta-title{color:#fff;font-family:var(--font-serif);font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:600}
.cta-band .cta-text{color:rgba(250,246,240,.78);margin-top:14px;font-size:15px;max-width:440px}
.cta-form{position:relative;z-index:1}
.field{display:flex;gap:12px;flex-wrap:wrap}
.field input{
  flex:1 1 200px;height:48px;padding:0 16px;border-radius:var(--r-input);
  border:1px solid rgba(250,246,240,.28);background:rgba(250,246,240,.96);
  color:var(--c-ink);font-size:15px;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease),background var(--t) var(--ease);
}
.field input::placeholder{color:var(--c-ink-3)}
.field input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(185,96,58,.22)}
.field input.is-error{border-color:var(--c-error);box-shadow:0 0 0 3px rgba(168,68,47,.2)}
.form-hint{margin-top:12px;font-size:13px;color:rgba(250,246,240,.68);line-height:1.7}
.form-msg{margin-top:12px;font-size:13px;color:#F0D8C5;display:none}
.form-msg.is-visible{display:block}
.form-msg.is-error{color:#F3C9BB}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-bg-2);border-top:1px solid var(--c-line);margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1.3fr 1fr;gap:44px;
  padding:66px 0 46px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--c-ink-2);line-height:1.9;max-width:340px}
.footer-title{font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:16px;letter-spacing:.04em}
.footer-links li,.footer-contact li{font-size:14px;line-height:1.9;margin-bottom:10px;color:var(--c-ink-2)}
.footer-links a{color:var(--c-ink-2)}
.footer-links a:hover{color:var(--c-accent)}
.footer-contact li{display:flex;gap:9px;align-items:flex-start}
.footer-contact svg{flex:0 0 auto;margin-top:5px;color:var(--c-accent)}
.footer-bottom{
  border-top:1px solid var(--c-line);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-ink-3);
}
.footer-bottom a{color:var(--c-ink-3)}
.footer-bottom a:hover{color:var(--c-accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 32px}
  .card-grid{gap:22px}
  .cta-band{padding:46px 40px;gap:40px}
  .footer-grid{gap:34px}
}
@media (max-width:1023px){
  :root{--nav-h:56px;--sec-y:64px}
  .container{padding:0 32px}
  .main-nav,.nav-actions .btn-primary{display:none}
  .nav-actions{gap:8px}
  .nav-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:34px;padding-top:30px}
  .hero-media{aspect-ratio:16/9}
  .cat-hero{padding-bottom:60px}
  .intro-grid{grid-template-columns:1fr;gap:36px}
  .intro-media img{aspect-ratio:16/10}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .spec-band{grid-template-columns:repeat(2,1fr);padding:34px 32px;gap:26px}
  .process{grid-template-columns:repeat(2,1fr)}
  .process-step{padding:26px 20px 28px 0}
  .process-step + .process-step{padding-left:24px}
  .process-step:nth-child(3){border-left:0;padding-left:0}
  .process-step:nth-child(3),.process-step:nth-child(4){border-top:1px solid var(--c-line)}
  .proof-grid{grid-template-columns:1fr;gap:36px}
  .cta-band{grid-template-columns:1fr;gap:32px;padding:42px 36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;padding:52px 0 36px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  :root{--sec-y:48px}
  .card-grid{grid-template-columns:1fr}
  .hero-facts{gap:0 30px;margin-top:30px;padding-top:22px}
  .hero-fact{margin-bottom:14px}
  .spec-band{grid-template-columns:1fr;padding:30px 24px}
  .process{grid-template-columns:1fr}
  .process-step,
  .process-step + .process-step{padding:24px 0 26px;border-left:0;border-top:1px solid var(--c-line)}
  .process-step:first-child{border-top:0}
  .proof-stats{grid-template-columns:1fr;gap:18px}
  .cta-band{padding:34px 22px;border-radius:16px}
  .field{flex-direction:column}
  .field input{flex:1 1 auto;width:100%}
  .faq-q{font-size:16px;padding:20px 0}
  .faq-a-inner{padding:0 20px 22px 16px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .brand-text em{display:none}
}
@media (max-width:520px){
  .hero-copy h1{font-size:26px}
  .hero-actions .btn{width:100%}
  .section-title{font-size:22px}
  .hero-media{aspect-ratio:4/3}
}