/* roulang page: index */
:root{
  --brand:#8A4B24;
  --brand-hover:#6E3A1B;
  --brand-active:#5A2F16;
  --celadon:#4F6F62;
  --celadon-light:#E6EFEA;
  --amber:#C4693C;
  --wheat:#E2A96A;
  --paper:#F8F3EA;
  --card:#FFFDF9;
  --dark:#2B211C;
  --ink:#2A2320;
  --ink-2:#6B5D53;
  --line:#E4D9C9;
  --ok:#4F6F62;
  --warn:#B8642B;
  --disabled:#BFB3A6;
  --grad:linear-gradient(120deg,#8A4B24 0%,#C4693C 55%,#E2A96A 100%);
  --r-sm:10px;
  --r-btn:14px;
  --r-card:20px;
  --r-lg:28px;
  --r-img:18px;
  --sh-1:0 8px 24px rgba(74,44,24,.07);
  --sh-2:0 16px 36px rgba(74,44,24,.12);
  --nav-h:64px;
  --w:1200px;
  --serif:"Noto Serif SC","Songti SC",Georgia,"Times New Roman",serif;
  --sans:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--brand-hover);}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.25;margin:0;color:var(--ink);letter-spacing:.01em;}
h1{font-size:clamp(34px,4.4vw,52px);}
h2{font-size:clamp(26px,3vw,36px);}
h3{font-size:20px;}
p{margin:0;}
ul,ol{margin:0;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;}
:focus-visible{outline:2px solid var(--celadon);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;flex-wrap:wrap;}
.section-head p{color:var(--ink-2);font-size:15px;margin-top:12px;max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:500;letter-spacing:.12em;
  color:var(--celadon);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--grad);border-radius:2px;display:block;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;line-height:1.2;
  border:1.5px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{background-image:var(--grad);background-size:160% 100%;background-position:0 0;color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{color:#fff;background-position:100% 0;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh-1);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--paper);color:var(--brand-hover);border-color:var(--brand-hover);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:12px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{background:var(--disabled);background-image:none;color:#fff;cursor:not-allowed;box-shadow:none;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:500;color:var(--brand);
  position:relative;padding-bottom:2px;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:currentColor;transform:scaleX(0);transform-origin:left;
  transition:transform .26s ease;
}
.link-more:hover::after{transform:scaleX(1);}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:var(--celadon-light);color:var(--celadon);
  font-size:12px;font-weight:500;letter-spacing:.02em;line-height:1.6;
}
.badge-row{display:flex;flex-wrap:wrap;gap:14px;}
.badge{
  display:flex;align-items:center;gap:12px;
  padding:12px 20px;border-radius:999px;
  background:var(--card);border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.badge .num{font-family:var(--serif);font-size:26px;font-weight:700;color:var(--brand);line-height:1;}
.badge .num small{font-size:13px;font-weight:500;margin-left:2px;color:var(--ink-2);}
.badge .txt{font-size:12.5px;color:var(--ink-2);line-height:1.4;}
.badge--accent{background-image:var(--grad);border-color:transparent;color:#fff;box-shadow:0 10px 26px rgba(138,75,36,.24);}
.badge--accent .num{color:#fff;}
.badge--accent .num small{color:rgba(255,255,255,.82);}
.badge--accent .txt{color:rgba(255,255,255,.9);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 22px rgba(74,44,24,.09);}
.nav-wrap{
  height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.nav-left{display:flex;align-items:center;gap:44px;flex:0 0 auto;}
.logo{
  display:inline-flex;align-items:baseline;gap:8px;
  font-family:var(--serif);font-size:22px;font-weight:700;color:var(--brand);
  letter-spacing:.02em;white-space:nowrap;
}
.logo:hover{color:var(--brand-hover);}
.logo .logo-suffix{
  font-family:var(--sans);font-size:12px;font-weight:500;color:var(--ink-2);
  letter-spacing:.08em;padding:2px 8px;border-radius:999px;
  background:var(--celadon-light);
}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;font-size:14.5px;font-weight:500;color:var(--ink);
  padding:6px 0;transition:color .22s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-2px;height:2px;width:100%;
  background:var(--celadon);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .26s ease;
}
.nav-link:hover{color:var(--celadon);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--celadon);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:16px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:var(--card);border:1px solid var(--line);
  border-radius:999px;padding:6px 8px 6px 14px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.nav-search:focus-within{border-color:var(--celadon);box-shadow:0 0 0 3px rgba(79,111,98,.14);}
.nav-search input{
  border:0;background:transparent;outline:none;width:132px;
  font-size:13.5px;color:var(--ink);
}
.nav-search input::placeholder{color:#A6958A;}
.nav-search button{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:999px;background:var(--celadon-light);color:var(--celadon);
  transition:background .22s ease,color .22s ease;
}
.nav-search button:hover{background:var(--celadon);color:#fff;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:var(--card);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .26s ease,opacity .26s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.drawer-search{display:none;}
.drawer-cta{display:none;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:calc(var(--nav-h) + 32px) 0 0;
  background:
    radial-gradient(900px 420px at 88% 8%,rgba(226,169,106,.20),transparent 62%),
    radial-gradient(720px 380px at 4% 88%,rgba(79,111,98,.10),transparent 66%),
    var(--paper);
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--grad);
  opacity:.9;
}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);
  gap:56px;align-items:center;
  padding-bottom:64px;
}
.hero h1{margin-bottom:20px;}
.hero h1 .hl{
  background-image:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:17px;line-height:1.8;color:var(--ink-2);
  max-width:560px;margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-badges{padding-top:26px;border-top:1px dashed var(--line);}
.hero-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  background-image:var(--grad);
  box-shadow:var(--sh-2);
  min-height:400px;
}
.hero-media img{
  width:100%;height:100%;min-height:400px;object-fit:cover;
  transition:transform .8s cubic-bezier(.2,.7,.3,1);
}
.hero-media:hover img{transform:scale(1.03);}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(138,75,36,.34) 0%,rgba(196,105,60,.14) 46%,rgba(43,33,28,.46) 100%);
}
.hero-float{
  position:absolute;right:20px;bottom:20px;z-index:3;
  background:rgba(255,253,249,.96);
  border-radius:var(--r-card);
  padding:16px 20px;
  box-shadow:var(--sh-2);
  display:flex;align-items:center;gap:14px;
  max-width:280px;
}
.hero-float .num{font-family:var(--serif);font-size:30px;font-weight:700;color:var(--brand);line-height:1;}
.hero-float .num small{font-size:12.5px;color:var(--ink-2);font-weight:500;margin-left:3px;}
.hero-float .txt{font-size:12.5px;color:var(--ink-2);line-height:1.5;}
.hero-strip{
  border-top:1px solid var(--line);
  background:rgba(255,253,249,.72);
}
.hero-strip .container{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;padding-top:26px;padding-bottom:26px;
}
.strip-item{display:flex;gap:12px;align-items:flex-start;}
.strip-item .dot{
  flex:0 0 auto;width:8px;height:8px;border-radius:999px;margin-top:10px;
  background-image:var(--grad);
}
.strip-item strong{display:block;font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.5;}
.strip-item span{font-size:12.5px;color:var(--ink-2);line-height:1.6;}

/* ---------- 权益对比表 ---------- */
.compare-wrap{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.compare-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.compare-table{
  width:100%;min-width:760px;border-collapse:separate;border-spacing:0;
  font-size:14.5px;
}
.compare-table th,.compare-table td{
  padding:18px 22px;text-align:left;border-bottom:1px solid var(--line);
  vertical-align:middle;
}
.compare-table thead th{
  background:#FBF6EC;
  font-family:var(--serif);font-weight:600;font-size:15.5px;color:var(--ink);
  position:relative;
}
.compare-table thead th:first-child,
.compare-table tbody td:first-child{
  position:sticky;left:0;z-index:2;background:var(--card);
  font-weight:600;color:var(--ink);min-width:180px;
  border-right:1px solid var(--line);
}
.compare-table thead th:first-child{background:#FBF6EC;z-index:3;}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table tbody tr:hover td{background:#FCF7EE;}
.compare-table tbody tr:hover td:first-child{background:#FCF7EE;}
.col-recommend{background:rgba(226,169,106,.14);}
.compare-table thead th.col-recommend{background:rgba(226,169,106,.24);}
.recommend-flag{
  position:absolute;top:-1px;right:14px;
  font-family:var(--sans);font-size:11px;font-weight:500;letter-spacing:.06em;
  color:#fff;background-image:var(--grad);
  padding:4px 12px;border-radius:0 0 10px 10px;
}
.cell-yes{color:var(--ok);font-weight:600;}
.cell-no{color:var(--disabled);}
.compare-note{
  padding:16px 22px;font-size:13px;color:var(--ink-2);
  background:#FBF6EC;border-top:1px solid var(--line);
}
.compare-cards{display:none;}

/* ---------- 等级亮点 ---------- */
.tier-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
}
.tier-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:30px 28px;
  box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  display:flex;flex-direction:column;
}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8C8B3;}
.tier-card .tier-no{
  font-family:var(--serif);font-size:15px;font-weight:700;letter-spacing:.1em;
  background-image:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:14px;
}
.tier-card h3{margin-bottom:6px;}
.tier-card .tier-desc{font-size:13.5px;color:var(--ink-2);margin-bottom:20px;}
.tier-list{margin-bottom:26px;display:grid;gap:10px;}
.tier-list li{
  position:relative;padding-left:20px;font-size:14.5px;color:var(--ink-2);line-height:1.7;
}
.tier-list li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:999px;
  background:var(--celadon);opacity:.75;
}
.tier-card .btn{margin-top:auto;align-self:flex-start;}
.tier-card.is-featured{
  border-color:transparent;
  box-shadow:0 18px 40px rgba(74,44,24,.14);
  background:linear-gradient(180deg,#FFFDF9 0%,#FCF5E9 100%);
}
.tier-card.is-featured::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;border-radius:var(--r-lg) var(--r-lg) 0 0;
  background:var(--grad);
}

/* ---------- 专属内容预览 ---------- */
.preview-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
}
.preview-card{
  position:relative;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease;
  display:flex;flex-direction:column;
}
.preview-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.preview-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background-image:var(--grad);}
.preview-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.preview-card:hover .preview-thumb img{transform:scale(1.04);}
.preview-thumb .tag{position:absolute;left:14px;top:14px;background:rgba(255,253,249,.94);color:var(--celadon);}
.preview-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.preview-body h3{font-size:17px;line-height:1.45;}
.preview-body p{font-size:13.5px;color:var(--ink-2);line-height:1.75;}
.preview-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px;}
.preview-foot .time{font-size:12.5px;color:#9B8B7E;}
.preview-card.is-locked .preview-thumb img{filter:saturate(.4);}
.preview-card.is-locked .preview-body h3,
.preview-card.is-locked .preview-body p{filter:saturate(.4);opacity:.72;}
.lock-flag{
  position:absolute;right:14px;top:14px;z-index:3;
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(43,33,28,.82);color:#fff;
  font-size:11.5px;font-weight:500;padding:5px 11px;border-radius:999px;
  backdrop-filter:blur(2px);
}
.lock-flag svg{width:12px;height:12px;fill:none;stroke:#fff;stroke-width:2;}

/* ---------- 最新信息 / CMS ---------- */
.news-head-right{display:flex;align-items:center;gap:18px;}
.news-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
}
.news-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);color:inherit;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8C8B3;color:inherit;}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background-image:var(--grad);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{
  font-size:17px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:13.5px;color:var(--ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding-top:8px;font-size:12.5px;color:#9B8B7E;
}
.empty-state{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:64px 24px;text-align:center;
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state .empty-icon{
  width:52px;height:52px;border-radius:999px;display:flex;align-items:center;justify-content:center;
  background:var(--celadon-light);color:var(--celadon);
}
.empty-state .empty-icon svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.7;}
.empty-state p{font-size:14.5px;color:var(--ink-2);}
.skeleton-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.skeleton-card .sk{background:linear-gradient(90deg,#F1E9DB 25%,#F8F3EA 50%,#F1E9DB 75%);background-size:200% 100%;animation:sk 1.4s infinite;}
.skeleton-card .sk-thumb{aspect-ratio:16/10;}
.skeleton-card .sk-body{padding:20px 22px 22px;display:grid;gap:12px;}
.skeleton-card .sk-line{height:14px;border-radius:6px;}
.skeleton-card .sk-line.short{width:58%;}
@keyframes sk{0%{background-position:200% 0;}100%{background-position:-200% 0;}}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .26s ease,box-shadow .26s ease;
}
.faq-item:hover{box-shadow:var(--sh-1);}
.faq-item.is-open{border-color:var(--celadon);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q .sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  background:var(--celadon-light);color:var(--celadon);
  font-size:16px;font-weight:500;line-height:1;
  transition:transform .28s ease,background .26s ease,color .26s ease;
}
.faq-item.is-open .faq-q .sign{transform:rotate(180deg);background:var(--celadon);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease;}
.faq-a p{padding:0 24px 22px;font-size:14.5px;line-height:1.85;color:var(--ink-2);}

/* ---------- CTA 深色区 ---------- */
.cta-section{padding:0 24px 96px;}
.cta-box{
  max-width:var(--w);margin:0 auto;
  background:
    radial-gradient(600px 320px at 92% 0%,rgba(226,169,106,.22),transparent 62%),
    var(--dark);
  border-radius:var(--r-lg);
  padding:56px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:48px;
  position:relative;overflow:hidden;
}
.cta-box::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad);}
.cta-box h2{color:#FFF8EE;margin-bottom:14px;}
.cta-box p{color:rgba(255,248,238,.72);font-size:15px;max-width:560px;margin-bottom:28px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-box .btn-ghost{border-color:rgba(255,248,238,.5);color:#FFF8EE;}
.cta-box .btn-ghost:hover{background:rgba(255,248,238,.12);border-color:#FFF8EE;color:#FFF8EE;}
.cta-badge{
  flex:0 0 auto;
  background:rgba(255,253,249,.96);
  border-radius:var(--r-card);
  padding:22px 26px;
  min-width:220px;
  box-shadow:var(--sh-2);
  text-align:center;
}
.cta-badge .num{font-family:var(--serif);font-size:38px;font-weight:700;line-height:1;color:var(--brand);}
.cta-badge .num small{font-size:14px;font-weight:500;color:var(--ink-2);margin-left:4px;}
.cta-badge .txt{font-size:12.5px;color:var(--ink-2);margin-top:8px;line-height:1.6;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);color:rgba(255,248,238,.78);
  position:relative;
}
.site-footer::before{content:"";display:block;height:3px;background:var(--grad);}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;
  padding:64px 0 48px;
}
.footer-brand .logo{
  color:#FFF8EE;font-size:21px;margin-bottom:16px;
}
.footer-brand .logo .logo-suffix{background:rgba(255,248,238,.14);color:rgba(255,248,238,.82);}
.footer-brand p{font-size:13.5px;line-height:1.85;color:rgba(255,248,238,.6);max-width:300px;}
.footer-domain{margin-top:16px;font-size:12px;letter-spacing:.06em;color:rgba(255,248,238,.4);}
.footer-col h4{
  font-family:var(--sans);font-size:13px;font-weight:600;letter-spacing:.1em;
  color:#FFF8EE;margin-bottom:18px;text-transform:uppercase;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:13.5px;color:rgba(255,248,238,.66);transition:color .22s ease;}
.footer-col a:hover{color:var(--wheat);}
.footer-contact li{font-size:13.5px;color:rgba(255,248,238,.62);line-height:1.9;}
.footer-bottom{
  border-top:1px solid rgba(255,248,238,.12);
  padding:22px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,248,238,.44);
}
.footer-bottom a{color:rgba(255,248,238,.6);}
.footer-bottom a:hover{color:var(--wheat);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-left{gap:28px;}
  .nav-links{gap:18px;}
  .nav-link{font-size:14px;}
  .hero-grid{gap:40px;}
  .section{padding:80px 0;}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:36px;}
  .footer-col:last-child{grid-column:1/-1;}
}
@media (max-width:991px){
  :root{--nav-h:56px;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-links{
    position:fixed;top:var(--nav-h);right:0;bottom:0;
    width:min(320px,86vw);
    background:var(--paper);
    border-left:1px solid var(--line);
    box-shadow:-12px 0 34px rgba(74,44,24,.14);
    flex-direction:column;align-items:stretch;gap:0;
    padding:20px 22px 32px;
    transform:translateX(105%);
    transition:transform .3s cubic-bezier(.3,.7,.3,1);
    overflow-y:auto;
    z-index:130;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-link{
    font-size:15.5px;padding:14px 0;border-bottom:1px solid var(--line);
  }
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--celadon);font-weight:600;}
  .drawer-search{
    display:flex;margin-top:20px;
    background:var(--card);border:1px solid var(--line);
    border-radius:999px;padding:6px 8px 6px 14px;align-items:center;gap:8px;
  }
  .drawer-search:focus-within{border-color:var(--celadon);box-shadow:0 0 0 3px rgba(79,111,98,.14);}
  .drawer-search input{border:0;background:transparent;outline:none;flex:1;font-size:14px;padding:6px 0;}
  .drawer-search button{
    width:32px;height:32px;border-radius:999px;background:var(--celadon-light);color:var(--celadon);
    display:flex;align-items:center;justify-content:center;
  }
  .drawer-cta{display:block;margin-top:18px;}
  .nav-right .btn-primary{display:none;}
  .hero{padding-top:calc(var(--nav-h) + 28px);}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding-bottom:48px;}
  .hero-media{min-height:320px;}
  .hero-media img{min-height:320px;}
  .hero-strip .container{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .tier-grid{grid-template-columns:1fr;}
  .preview-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-box{flex-direction:column;align-items:flex-start;padding:44px 36px;gap:32px;}
  .cta-badge{width:100%;text-align:left;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 40px;}
  .footer-brand{grid-column:1/-1;}
  .footer-col:last-child{grid-column:1/-1;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;gap:16px;}
  .section-head p{font-size:14px;}
  .hero{padding-top:calc(var(--nav-h) + 24px);}
  .hero-sub{font-size:15.5px;margin-bottom:26px;}
  .hero-actions{flex-direction:column;align-items:stretch;gap:12px;}
  .hero-actions .btn{width:100%;}
  .hero-badges{padding-top:22px;}
  .badge{padding:10px 16px;}
  .badge .num{font-size:22px;}
  .hero-float{right:12px;bottom:12px;padding:12px 16px;gap:10px;max-width:240px;}
  .hero-float .num{font-size:24px;}
  .hero-strip .container{padding-top:20px;padding-bottom:20px;gap:16px;}
  .strip-item span{font-size:12px;}
  .badge-row{gap:10px;}
  .compare-scroll{display:none;}
  .compare-cards{display:grid;gap:16px;padding:20px;}
  .compare-card{
    border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--card);
  }
  .compare-card .cc-head{
    padding:14px 18px;background:#FBF6EC;font-family:var(--serif);font-weight:600;font-size:15px;
    display:flex;align-items:center;justify-content:space-between;gap:10px;
  }
  .compare-card.is-recommend .cc-head{background:rgba(226,169,106,.24);}
  .compare-card .cc-body{padding:14px 18px;display:grid;gap:10px;}
  .cc-row{display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:14px;}
  .cc-row span:first-child{color:var(--ink-2);}
  .tier-card{padding:24px 20px;}
  .preview-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .faq-q{padding:16px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px;font-size:14px;}
  .cta-section{padding:0 18px 56px;}
  .cta-box{padding:36px 22px;border-radius:var(--r-card);}
  .cta-actions{flex-direction:column;align-items:stretch;width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:480px){
  h1{font-size:30px;}
  h2{font-size:24px;}
  .logo{font-size:19px;}
  .logo .logo-suffix{font-size:11px;padding:2px 6px;}
  .badge-row{gap:8px;}
  .badge{width:100%;justify-content:flex-start;}
  .hero-media,.hero-media img{min-height:260px;}
  .hero-float{position:static;margin:12px;max-width:none;}
  .news-body h3,.preview-body h3{font-size:16px;}
  .cta-badge{padding:18px 20px;}
  .cta-badge .num{font-size:30px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --brown:#8A4B24;--brown-h:#6E3A1B;--brown-a:#5A2F16;
  --celadon:#4F6F62;--celadon-l:#E6EFEA;
  --terracotta:#C4693C;--wheat:#E2A96A;
  --paper:#F8F3EA;--card:#FFFDF9;--dark:#2B211C;
  --text:#2A2320;--muted:#6B5D53;--border:#E4D9C9;
  --success:#4F6F62;--warn:#B8642B;--disabled:#BFB3A6;
  --grad:linear-gradient(120deg,#8A4B24 0%,#C4693C 52%,#E2A96A 100%);
  --r-sm:10px;--r-btn:14px;--r-card:20px;--r-lg:28px;
  --sh:0 8px 24px rgba(74,44,24,.07);
  --sh-h:0 16px 36px rgba(74,44,24,.12);
  --font-head:'Noto Serif SC','Songti SC','SimSun',Georgia,serif;
  --font-body:'PingFang SC','Microsoft YaHei',system-ui,-apple-system,'Segoe UI',sans-serif;
  --nav-h:64px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--text);
  font-family:var(--font-body);font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brown);text-decoration:none}
a:hover{color:var(--brown-h)}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:700;line-height:1.25;margin:0;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-body);font-size:15px;font-weight:600;line-height:1;
  border-radius:var(--r-btn);padding:14px 26px;border:0;cursor:pointer;
  text-decoration:none;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background .3s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background-image:var(--grad);background-size:170% 100%;background-position:0 0;color:#FFFDF9;box-shadow:var(--sh)}
.btn-primary:hover{background-position:100% 0;transform:translateY(-1px);box-shadow:var(--sh-h);color:#FFFDF9}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(74,44,24,.16)}
.btn-ghost{background:transparent;border:1.5px solid var(--brown);color:var(--brown)}
.btn-ghost:hover{background:var(--paper);color:var(--brown-h);border-color:var(--brown-h)}
.btn-ghost:active{background:#F1E8DA}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible{outline:2px solid var(--celadon);outline-offset:2px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--brown);text-decoration:none;position:relative}
.text-link::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1.5px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.text-link:hover::after{transform:scaleX(1)}
.text-link:focus-visible{outline:2px solid var(--celadon);outline-offset:3px;border-radius:4px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;background:var(--paper);
  border-bottom:1px solid var(--border);height:var(--nav-h);
  display:flex;align-items:center;transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%}
.nav-left{display:flex;align-items:center;gap:30px;min-width:0}
.logo{
  font-family:var(--font-head);font-size:20px;font-weight:700;color:var(--brown);
  display:inline-flex;align-items:baseline;gap:6px;letter-spacing:.5px;white-space:nowrap;
}
.logo:hover{color:var(--brown-h)}
.logo-suffix{font-family:var(--font-body);font-size:12px;font-weight:500;color:var(--muted);letter-spacing:1.2px}
.nav-links{display:flex;align-items:center;gap:20px}
.nav-link{
  position:relative;font-size:14.5px;font-weight:500;color:var(--text);
  padding:6px 0;white-space:nowrap;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:var(--celadon);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--brown)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brown);font-weight:600}
.nav-link:focus-visible{outline:2px solid var(--celadon);outline-offset:4px;border-radius:4px}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-search{
  display:flex;align-items:center;height:38px;padding:0 6px 0 14px;
  background:var(--card);border:1px solid var(--border);border-radius:999px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--celadon);box-shadow:0 0 0 3px rgba(79,111,98,.14)}
.nav-search input{border:0;background:transparent;outline:none;font-size:13.5px;width:150px;color:var(--text)}
.nav-search input::placeholder{color:var(--disabled)}
.nav-search button{
  border:0;background:transparent;color:var(--muted);width:28px;height:28px;
  display:grid;place-items:center;border-radius:50%;cursor:pointer;transition:color .2s,background .2s;
}
.nav-search button:hover{color:var(--brown);background:var(--paper)}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:12px;
  background:var(--card);cursor:pointer;padding:0;place-items:center;gap:4px;
  flex-direction:column;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brown);transition:transform .25s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.drawer-search,.drawer-cta{display:none}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--paper);border-bottom:1px solid var(--border);padding:14px 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted)}
.crumb a{color:var(--muted);transition:color .2s}
.crumb a:hover{color:var(--brown)}
.crumb .sep{color:var(--disabled)}
.crumb .current{color:var(--text);font-weight:500;max-width:62ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章主体 ---------- */
.article-shell{
  display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:52px;
  align-items:start;padding-top:48px;padding-bottom:24px;
}
.article-main{min-width:0}
.article-head{padding-bottom:24px;border-bottom:1px solid var(--border)}
.article-tag{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;
  border-radius:999px;background:var(--celadon-l);color:var(--celadon);
  font-size:12.5px;font-weight:500;letter-spacing:.4px;
}
.article-title{
  font-size:clamp(28px,3.4vw,42px);line-height:1.32;margin:18px 0 0;
  letter-spacing:-.4px;color:var(--text);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  margin-top:18px;font-size:13.5px;color:var(--muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--disabled)}
.article-cover{
  margin:30px 0 34px;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh);background:var(--card);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* CMS 正文排版 */
.article-body{max-width:760px;font-size:16px;line-height:1.9;color:var(--text);overflow-wrap:break-word}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);line-height:1.35;
  margin:2em 0 .85em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;
  border-radius:3px;background:var(--grad);
}
.article-body h3{font-size:20px;line-height:1.4;margin:1.7em 0 .7em;color:var(--brown)}
.article-body h4{font-size:17px;margin:1.4em 0 .6em}
.article-body a{color:var(--brown);border-bottom:1px solid rgba(138,75,36,.35);transition:color .2s,border-color .2s}
.article-body a:hover{color:var(--brown-h);border-color:var(--brown-h)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body li{margin:.4em 0}
.article-body ul li::marker{color:var(--celadon)}
.article-body ol li::marker{color:var(--celadon);font-weight:600}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--paper);
  border-left:3px solid var(--celadon);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--muted);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{margin:26px 0;border-radius:16px;box-shadow:var(--sh)}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--border);padding:10px 14px;text-align:left}
.article-body th{background:var(--paper);font-weight:600;font-family:var(--font-head)}
.article-body code{background:var(--paper);border:1px solid var(--border);border-radius:6px;padding:1px 6px;font-size:14px;color:var(--brown-h)}
.article-body hr{border:0;height:1px;background:var(--border);margin:2.4em 0}
.article-body strong{font-weight:700;color:var(--brown-h)}
@media (min-width:900px){
  .article-body img{max-width:calc(100% + 32px);margin-left:-16px;border-radius:18px}
}

/* 无内容状态 */
.not-found{
  max-width:760px;padding:44px 0 8px;text-align:left;
}
.not-found .nf-mark{
  width:64px;height:64px;border-radius:18px;background:var(--grad);
  display:grid;place-items:center;color:#FFFDF9;font-family:var(--font-head);
  font-size:24px;font-weight:700;margin-bottom:22px;box-shadow:var(--sh);
}
.not-found h2{font-size:24px;margin-bottom:12px}
.not-found p{color:var(--muted);font-size:15px;margin-bottom:22px}

/* ---------- 目录侧栏 ---------- */
.article-aside{position:sticky;top:calc(var(--nav-h) + 24px)}
.toc{background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh)}
.toc h3{font-size:14px;letter-spacing:1px;color:var(--muted);font-family:var(--font-body);font-weight:600;margin-bottom:12px}
.toc-list{display:flex;flex-direction:column}
.toc-link{
  display:block;font-size:13.5px;line-height:1.55;color:var(--muted);
  padding:7px 0 7px 12px;border-left:2px solid transparent;
  transition:color .2s,border-color .2s,background .2s;
}
.toc-link:hover{color:var(--brown);border-left-color:var(--terracotta);background:var(--paper)}
.toc-link.toc-sub{padding-left:24px;font-size:12.8px;color:#8B7C71}
.toc-link:focus-visible{outline:2px solid var(--celadon);outline-offset:2px}

/* ---------- 相关推荐 ---------- */
.related{margin-top:60px;padding-top:40px;border-top:1px solid var(--border)}
.related-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:22px}
.related-head h2{font-size:clamp(20px,2.2vw,24px)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:#D8C9B4}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--paper)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px}
.rel-cat{font-size:12px;font-weight:500;color:var(--celadon);letter-spacing:.4px}
.rel-title{
  font-family:var(--font-head);font-size:15.5px;line-height:1.45;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card:hover .rel-title{color:var(--brown)}
.rel-time{font-size:12.5px;color:var(--muted)}
.back-links{display:flex;flex-wrap:wrap;gap:22px;margin-top:34px;padding-top:8px}

/* ---------- 深色 CTA ---------- */
.cta-dark{
  position:relative;overflow:hidden;background:var(--dark);color:#F3E9DC;
  border-radius:var(--r-lg);margin:64px 24px 96px;padding:56px 52px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:center;
  max-width:1152px;margin-left:auto;margin-right:auto;
}
.cta-dark::before{
  content:"";position:absolute;left:0;right:0;top:0;height:5px;background:var(--grad);
}
.cta-dark h2{color:#FBF3E7;font-size:clamp(24px,2.8vw,32px);margin-bottom:12px}
.cta-dark p{color:#C9BBAE;font-size:15px;max-width:56ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.cta-dark .btn-ghost{border-color:#C9BBAE;color:#F3E9DC}
.cta-dark .btn-ghost:hover{background:rgba(255,253,249,.08);color:#FFFDF9;border-color:#F3E9DC}
.cta-badge{
  display:flex;flex-direction:column;align-items:flex-start;gap:2px;
  background:rgba(255,253,249,.07);border:1px solid rgba(226,169,106,.32);
  border-radius:16px;padding:16px 22px;min-width:150px;
}
.cta-badge b{font-family:var(--font-head);font-size:30px;line-height:1;color:var(--wheat)}
.cta-badge span{font-size:12.5px;color:#C9BBAE;letter-spacing:.4px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#D9CCC0;position:relative;padding:64px 0 28px}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad)}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(226,169,106,.18)}
.footer-brand .logo{color:#F5E9DA;font-size:20px;margin-bottom:16px}
.footer-brand .logo:hover{color:var(--wheat)}
.footer-brand .logo-suffix{color:#9C8E82}
.footer-brand p{font-size:14px;line-height:1.8;color:#B7A99C;max-width:34ch}
.footer-domain{margin-top:16px;font-size:12px;letter-spacing:1px;color:#8A7D72}
.footer-col h4{font-size:14px;color:#F0E3D4;font-family:var(--font-body);font-weight:600;letter-spacing:1px;margin-bottom:16px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#B7A99C;transition:color .2s}
.footer-col a:hover{color:var(--wheat)}
.footer-contact li{font-size:13.5px;color:#A99B8F;line-height:1.7}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:22px;font-size:12.5px;color:#8A7D72;
}
.footer-bottom a{color:#B7A99C}
.footer-bottom a:hover{color:var(--wheat)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-shell{grid-template-columns:minmax(0,1fr) 210px;gap:36px}
  .nav-links{gap:16px}
  .nav-search input{width:120px}
}
@media (max-width:991px){
  .nav-search{display:none}
  .nav-right>.btn-sm{display:none}
  .nav-toggle{display:inline-flex}
  .nav-left{gap:16px}
  .nav-links{
    position:fixed;top:var(--nav-h);right:0;bottom:0;width:min(320px,84vw);
    background:var(--card);border-left:1px solid var(--border);
    flex-direction:column;align-items:stretch;gap:2px;
    padding:22px 20px 28px;overflow-y:auto;
    box-shadow:-16px 0 40px rgba(74,44,24,.14);
    transform:translateX(105%);transition:transform .3s ease;z-index:130;
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-link{padding:12px 4px;font-size:15px;border-bottom:1px solid var(--border)}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--brown)}
  .drawer-search{display:flex;align-items:center;gap:8px;margin-top:20px;background:var(--paper);border:1px solid var(--border);border-radius:14px;padding:8px 12px}
  .drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;color:var(--text)}
  .drawer-search button{border:0;background:transparent;color:var(--muted);display:grid;place-items:center;cursor:pointer;width:28px;height:28px;border-radius:8px}
  .drawer-search button:hover{color:var(--brown);background:var(--card)}
  .drawer-cta{display:block;margin-top:auto;padding-top:20px}
  .article-shell{grid-template-columns:minmax(0,1fr);gap:0}
  .article-aside{display:none}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-dark{grid-template-columns:minmax(0,1fr);padding:44px 32px;margin:56px 18px 72px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--nav-h:56px}
  body{font-size:15px}
  .container{padding:0 18px}
  .article-shell{padding-top:32px}
  .article-title{font-size:clamp(24px,6vw,32px)}
  .article-body{font-size:15px;line-height:1.9}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .cta-dark{padding:36px 22px;border-radius:22px}
  .cta-actions .btn{width:100%}
  .cta-badge{width:100%}
  .footer-top{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column}
  .crumb .current{white-space:normal;display:block;max-width:100%}
}
@media (max-width:480px){
  .logo{font-size:18px}
  .logo-suffix{font-size:11px}
  .article-meta{gap:8px 14px;font-size:12.8px}
  .article-tag{font-size:12px;height:26px;padding:0 12px}
  .back-links{gap:14px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --primary:#8A4B24;
  --primary-hover:#6E3A1B;
  --primary-active:#5A2F16;
  --celadon:#4F6F62;
  --celadon-light:#E6EFEA;
  --accent:#C4693C;
  --wheat:#E2A96A;
  --paper:#F8F3EA;
  --card:#FFFDF9;
  --dark:#2B211C;
  --text:#2A2320;
  --text-2:#6B5D53;
  --border:#E4D9C9;
  --success:#4F6F62;
  --warn:#B8642B;
  --disabled:#BFB3A6;
  --grad:linear-gradient(120deg,#8A4B24 0%,#C4693C 52%,#E2A96A 100%);
  --r-sm:10px;
  --r-btn:14px;
  --r-card:20px;
  --r-lg:28px;
  --shadow-1:0 8px 24px rgba(74,44,24,.07);
  --shadow-2:0 16px 36px rgba(74,44,24,.12);
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,"Microsoft YaHei",serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --space-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--primary-hover);}
button{font-family:inherit;cursor:pointer;}
input,button,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,h5{font-family:var(--serif);font-weight:600;line-height:1.25;margin:0;color:var(--text);letter-spacing:.005em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--celadon);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(196,105,60,.2);}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:500;
  line-height:1.2;
  border:1.5px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,background-position .35s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);
  background-size:170% 100%;
  background-position:0% 0%;
  color:#fff;
  box-shadow:0 6px 18px rgba(138,75,36,.2);
}
.btn-primary:hover{background-position:100% 0%;color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(138,75,36,.26);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(138,75,36,.22);}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary);}
.btn-ghost:hover{background:var(--paper);border-color:var(--primary-hover);color:var(--primary-hover);}
.btn-ghost:active{background:#F1E9DA;}
.btn-light{background:rgba(255,253,249,.14);border-color:rgba(248,243,234,.45);color:#F8F3EA;}
.btn-light:hover{background:rgba(255,253,234,.24);color:#fff;border-color:rgba(248,243,234,.7);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:500;
  color:var(--primary);
  position:relative;
}
.link-arrow::after{
  content:"";
  position:absolute;
  left:0;right:22px;bottom:-3px;
  height:1.5px;
  background:currentColor;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .3s ease;
}
.link-arrow:hover::after{transform:scaleX(1);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:var(--paper);
  border-bottom:1px solid var(--border);
  transition:box-shadow .3s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 28px rgba(74,44,24,.1);}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:64px;
}
.nav-left{
  display:flex;
  align-items:center;
  gap:26px;
  flex:1 1 55%;
  min-width:0;
}
.nav-right{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 1 45%;
  justify-content:flex-end;
}
.logo{
  font-family:var(--serif);
  font-size:21px;
  font-weight:700;
  color:var(--primary);
  letter-spacing:.01em;
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  white-space:nowrap;
}
.logo:hover{color:var(--primary-hover);}
.logo-suffix{
  font-family:var(--sans);
  font-size:12px;
  font-weight:500;
  color:var(--text-2);
  letter-spacing:.06em;
  padding-left:8px;
  border-left:1px solid var(--border);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:2px;
  min-width:0;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 9px;
  font-size:13.5px;
  font-weight:500;
  color:var(--text-2);
  border-radius:var(--r-sm);
  white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--primary);background:rgba(228,217,201,.45);}
.nav-link.is-active{color:var(--primary);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:9px;right:9px;bottom:1px;
  height:2px;
  border-radius:2px;
  background:var(--celadon);
}
.nav-search{
  display:flex;
  align-items:center;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-btn);
  padding:0 6px 0 12px;
  height:38px;
  width:206px;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.nav-search:focus-within{border-color:var(--celadon);box-shadow:0 0 0 3px rgba(79,111,98,.16);}
.nav-search input{
  flex:1;
  min-width:0;
  border:0;
  background:transparent;
  font-size:13px;
  color:var(--text);
  outline:none;
  padding:0;
}
.nav-search input::placeholder{color:var(--disabled);}
.nav-search button{
  border:0;
  background:transparent;
  color:var(--celadon);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:28px;height:28px;
  border-radius:8px;
  transition:background-color .2s ease,color .2s ease;
}
.nav-search button:hover{background:var(--celadon-light);color:var(--primary);}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:40px;height:40px;
  border:1px solid var(--border);
  border-radius:12px;
  background:var(--card);
  padding:0;
  align-items:center;
}
.nav-toggle span{
  display:block;
  width:17px;height:1.8px;
  background:var(--primary);
  border-radius:2px;
  transition:transform .3s ease,opacity .3s ease;
}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(6.8px) rotate(45deg);}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0;}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6.8px) rotate(-45deg);}
.drawer-search,.drawer-cta{display:none;}
.drawer-search{
  align-items:center;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-btn);
  padding:0 6px 0 12px;
  height:42px;
  width:100%;
}
.drawer-search:focus-within{border-color:var(--celadon);box-shadow:0 0 0 3px rgba(79,111,98,.16);}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--text);}
.drawer-search button{border:0;background:transparent;color:var(--celadon);width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 0;}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--text-2);
}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:var(--disabled);}
.crumbs .current{color:var(--primary);font-weight:500;}

/* ---------- 页面 Hero ---------- */
.page-hero{
  padding:34px 0 64px;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:center;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  font-weight:500;
  letter-spacing:.08em;
  color:var(--celadon);
  background:var(--celadon-light);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:20px;
}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--celadon);}
.page-hero h1{
  font-size:clamp(34px,4.4vw,50px);
  margin-bottom:20px;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--primary);
  position:relative;
}
.page-hero .lede{
  font-size:17px;
  line-height:1.85;
  color:var(--text-2);
  max-width:600px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.badge-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.stat-badge{
  display:flex;
  align-items:baseline;
  gap:8px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:999px;
  padding:9px 18px;
  box-shadow:var(--shadow-1);
}
.stat-badge .num{
  font-family:var(--serif);
  font-size:22px;
  font-weight:700;
  color:var(--primary);
  line-height:1;
}
.stat-badge .unit{font-size:12px;color:var(--text-2);}
.stat-badge.is-accent{
  background:var(--grad);
  border-color:transparent;
  color:#fff;
}
.stat-badge.is-accent .num,
.stat-badge.is-accent .unit{color:#fff;}

.hero-visual{
  position:relative;
}
.hero-visual .frame{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-2);
  aspect-ratio:4/3;
  background:repeating-linear-gradient(120deg,rgba(138,75,36,.10) 0 14px,rgba(226,169,106,.14) 14px 28px);
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover;}
.hero-visual .frame::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(160deg,rgba(138,75,36,.34) 0%,rgba(196,105,60,.14) 45%,rgba(226,169,106,.05) 100%);
}
.hero-float{
  position:absolute;
  left:-18px;
  bottom:-22px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:18px;
  padding:16px 20px;
  box-shadow:var(--shadow-2);
  display:flex;
  align-items:center;
  gap:14px;
  max-width:270px;
}
.hero-float .dot{
  width:38px;height:38px;
  border-radius:12px;
  background:var(--celadon-light);
  color:var(--celadon);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-family:var(--serif);
  font-size:17px;
  font-weight:700;
  flex:none;
}
.hero-float strong{display:block;font-size:14px;color:var(--text);font-weight:600;font-family:var(--sans);}
.hero-float span{display:block;font-size:12px;color:var(--text-2);line-height:1.6;}

/* ---------- 主区 4/8 栅格 ---------- */
.section{padding:var(--space-section) 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:clamp(26px,3vw,34px);margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:16px;}

.benefit-layout{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:36px;
  align-items:start;
}
.toc-card{
  position:sticky;
  top:88px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:24px 22px;
  box-shadow:var(--shadow-1);
}
.toc-card::before{
  content:"";
  display:block;
  height:3px;
  width:52px;
  border-radius:3px;
  background:var(--grad);
  margin-bottom:18px;
}
.toc-card h3{
  font-size:16px;
  margin-bottom:14px;
  letter-spacing:.02em;
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:9px 10px;
  border-radius:var(--r-sm);
  font-size:14px;
  color:var(--text-2);
  transition:background-color .2s ease,color .2s ease,padding-left .2s ease;
}
.toc-list a .idx{
  font-family:var(--serif);
  font-size:12px;
  color:var(--disabled);
  min-width:18px;
  transition:color .2s ease;
}
.toc-list a:hover{background:var(--paper);color:var(--primary);padding-left:14px;}
.toc-list a:hover .idx{color:var(--accent);}
.toc-list a.is-current{background:var(--celadon-light);color:var(--celadon);font-weight:600;}
.toc-list a.is-current .idx{color:var(--celadon);}
.toc-note{
  margin-top:20px;
  padding-top:18px;
  border-top:1px dashed var(--border);
  font-size:12.5px;
  line-height:1.75;
  color:var(--text-2);
}

.stack-list{display:flex;flex-direction:column;gap:22px;}
.stack-card{
  display:grid;
  grid-template-columns:238px 1fr;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:24px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.stack-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D9C9B2;}
.stack-thumb{
  position:relative;
  min-height:100%;
  background:repeating-linear-gradient(120deg,rgba(138,75,36,.10) 0 14px,rgba(226,169,106,.14) 14px 28px);
  overflow:hidden;
}
.stack-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.22,.61,.36,1);}
.stack-card:hover .stack-thumb img{transform:scale(1.04);}
.stack-thumb .tier-chip{
  position:absolute;
  left:14px;top:14px;
  background:rgba(43,33,28,.78);
  color:#F8F3EA;
  font-size:12px;
  letter-spacing:.04em;
  padding:5px 12px;
  border-radius:999px;
  backdrop-filter:blur(2px);
}
.stack-body{padding:26px 28px 24px;}
.stack-body h3{font-size:21px;margin-bottom:10px;}
.stack-body h3 a{color:inherit;}
.stack-body h3 a:hover{color:var(--primary);}
.stack-body>p{font-size:15px;color:var(--text-2);line-height:1.85;}
.point-list{
  margin:18px 0 20px;
  display:flex;
  flex-direction:column;
  gap:9px;
}
.point-list li{
  position:relative;
  padding-left:20px;
  font-size:14.5px;
  color:var(--text);
  line-height:1.7;
}
.point-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:8px;height:8px;
  border-radius:3px;
  background:var(--celadon);
  opacity:.75;
}
.stack-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:16px;
  border-top:1px dashed var(--border);
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  font-weight:500;
  color:var(--celadon);
  background:var(--celadon-light);
  border-radius:999px;
  padding:4px 12px;
}
.tag.is-warm{color:var(--primary);background:rgba(226,169,106,.2);}

/* ---------- 使用步骤 ---------- */
.steps-band{
  background:#F3ECDF;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.steps-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.step-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:28px 26px;
  box-shadow:var(--shadow-1);
  transition:transform .3s ease,box-shadow .3s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.step-card .no{
  font-family:var(--serif);
  font-size:15px;
  font-weight:700;
  color:#fff;
  background:var(--grad);
  width:42px;height:42px;
  border-radius:14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-bottom:18px;
}
.step-card h3{font-size:18px;margin-bottom:10px;}
.step-card p{font-size:14.5px;color:var(--text-2);}

.tips-strip{
  margin-top:32px;
  display:flex;
  gap:14px;
  align-items:flex-start;
  background:var(--card);
  border:1px solid var(--border);
  border-left:4px solid var(--celadon);
  border-radius:var(--r-card);
  padding:20px 24px;
  box-shadow:var(--shadow-1);
}
.tips-strip strong{font-family:var(--serif);font-size:15px;color:var(--text);white-space:nowrap;}
.tips-strip p{font-size:14px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-list{display:flex;flex-direction:column;gap:14px;margin-top:36px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:16px;
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{box-shadow:var(--shadow-1);}
.faq-item[open]{border-color:var(--celadon);box-shadow:var(--shadow-1);}
.faq-q{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:19px 24px;
  font-size:16px;
  font-weight:600;
  font-family:var(--serif);
  color:var(--text);
  transition:color .2s ease;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q:hover{color:var(--primary);}
.faq-q::after{
  content:"＋";
  font-family:var(--sans);
  font-size:18px;
  font-weight:400;
  color:var(--primary);
  line-height:1;
  flex:none;
  transition:transform .3s ease;
}
.faq-item[open] .faq-q::after{content:"−";color:var(--celadon);}
.faq-a{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--text-2);}
.faq-a p{margin-bottom:.8em;}
.faq-a p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-outer{padding:0 0 var(--space-section);}
.cta-band{
  background:var(--dark);
  border-radius:var(--r-lg);
  margin:0 24px;
  padding:56px 52px;
  display:grid;
  grid-template-columns:1fr auto;
  align-items:center;
  gap:40px;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  left:0;top:0;right:0;
  height:3px;
  background:var(--grad);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-90px;bottom:-120px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(226,169,106,.22),transparent 68%);
  pointer-events:none;
}
.cta-band h2{
  color:#F8F3EA;
  font-size:clamp(24px,3vw,34px);
  margin-bottom:14px;
}
.cta-band p{color:rgba(248,243,234,.76);font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}
.cta-stat{
  position:relative;
  z-index:1;
  display:flex;
  align-items:baseline;
  gap:10px;
  background:var(--grad);
  border-radius:999px;
  padding:12px 22px;
  color:#fff;
  box-shadow:0 12px 28px rgba(196,105,60,.28);
}
.cta-stat .num{font-family:var(--serif);font-size:24px;font-weight:700;line-height:1;}
.cta-stat .txt{font-size:12.5px;letter-spacing:.03em;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);
  color:rgba(248,243,234,.78);
  border-top:3px solid transparent;
  border-image:linear-gradient(120deg,#8A4B24,#C4693C,#E2A96A) 1;
  padding:68px 0 26px;
  font-size:14px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.15fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(248,243,234,.13);
}
.footer-brand .logo{
  color:#F3D9B6;
  margin-bottom:16px;
}
.footer-brand .logo-suffix{color:rgba(248,243,234,.6);border-left-color:rgba(248,243,234,.25);}
.footer-brand p{
  font-size:13.5px;
  line-height:1.85;
  color:rgba(248,243,234,.66);
  max-width:320px;
  margin-bottom:16px;
}
.footer-domain{
  font-size:12px;
  letter-spacing:.06em;
  color:rgba(248,243,234,.42);
}
.footer-col h4{
  color:#F8F3EA;
  font-size:15px;
  font-family:var(--sans);
  font-weight:600;
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  color:rgba(248,243,234,.7);
  font-size:13.5px;
  transition:color .22s ease,padding-left .22s ease;
}
.footer-col a:hover{color:var(--wheat);padding-left:4px;}
.footer-contact li{font-size:13.5px;color:rgba(248,243,234,.66);line-height:1.75;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:24px;
  font-size:12.5px;
  color:rgba(248,243,234,.5);
}
.footer-bottom a{color:rgba(248,243,234,.7);}
.footer-bottom a:hover{color:var(--wheat);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-search{display:none;}
  .nav-left{gap:18px;}
  .nav-link{font-size:13px;padding:8px 7px;}
  .hero-grid{gap:36px;}
  .benefit-layout{grid-template-columns:4fr 8fr;gap:28px;}
  .stack-card{grid-template-columns:200px 1fr;}
  .cta-band{padding:48px 36px;}
}
@media (max-width:991px){
  :root{--space-section:72px;}
  .nav-toggle{display:inline-flex;}
  .nav-links{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:min(330px,86vw);
    background:var(--card);
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:2px;
    padding:84px 20px 24px;
    transform:translateX(105%);
    transition:transform .36s cubic-bezier(.22,.61,.36,1);
    box-shadow:-16px 0 44px rgba(74,44,24,.16);
    overflow-y:auto;
    z-index:210;
  }
  .site-header.nav-open .nav-links{transform:translateX(0);}
  .nav-link{padding:12px 14px;font-size:15px;border-radius:12px;}
  .nav-link.is-active{background:var(--celadon-light);}
  .nav-link.is-active::after{left:14px;right:auto;width:16px;bottom:6px;}
  .drawer-search{display:flex;margin-top:18px;}
  .drawer-cta{display:block;margin-top:auto;padding-top:22px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{order:-1;}
  .hero-visual .frame{aspect-ratio:16/10;}
  .hero-float{left:auto;right:16px;bottom:-20px;max-width:250px;}
  .benefit-layout{grid-template-columns:1fr;}
  .toc-card{position:static;order:-1;}
  .toc-list{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .toc-list a{padding:7px 12px;border:1px solid var(--border);border-radius:999px;font-size:13px;}
  .toc-list a:hover{padding-left:12px;background:var(--paper);}
  .toc-list a .idx{display:none;}
  .toc-note{display:none;}
  .steps-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 28px;gap:26px;}
  .cta-stat{justify-self:start;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  body{font-size:15px;}
  .page-hero{padding:26px 0 48px;}
  .page-hero .lede{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 160px;}
  .stack-card{grid-template-columns:1fr;}
  .stack-thumb{height:180px;}
  .stack-body{padding:22px 20px;}
  .stack-body h3{font-size:19px;}
  .stack-foot{flex-direction:column;align-items:flex-start;gap:12px;}
  .cta-band{margin:0 12px;padding:34px 22px;border-radius:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .tips-strip{flex-direction:column;gap:8px;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a{padding:0 18px 18px;}
}
@media (max-width:480px){
  .logo{font-size:19px;}
  .logo-suffix{display:none;}
  .page-hero h1{font-size:30px;}
  .badge-row{gap:10px;}
  .stat-badge{padding:8px 14px;}
  .stat-badge .num{font-size:19px;}
  .hero-visual .frame{aspect-ratio:4/3;}
  .hero-float{position:static;margin-top:14px;max-width:100%;width:100%;}
  .cta-band h2{font-size:22px;}
  .section-head h2{font-size:24px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --brown:#8A4B24;
  --brown-hover:#6E3A1B;
  --brown-active:#5A2F16;
  --celadon:#4F6F62;
  --celadon-light:#E6EFEA;
  --terracotta:#C4693C;
  --wheat:#E2A96A;
  --paper:#F8F3EA;
  --card:#FFFDF9;
  --dark:#2B211C;
  --text:#2A2320;
  --muted:#6B5D53;
  --line:#E4D9C9;
  --success:#4F6F62;
  --warn:#B8642B;
  --disabled:#BFB3A6;
  --grad:linear-gradient(120deg,#8A4B24 0%,#C4693C 55%,#E2A96A 100%);
  --r-sm:10px;
  --r-btn:14px;
  --r-card:20px;
  --r-lg:28px;
  --shadow:0 8px 24px rgba(74,44,24,.07);
  --shadow-hover:0 16px 36px rgba(74,44,24,.12);
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
  --sans:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --container:1200px;
  --section-y:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brown);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brown-hover);}
button{font-family:inherit;cursor:pointer;}
input,button,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:700;line-height:1.25;color:var(--text);letter-spacing:.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--celadon);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-btn);
  font-family:var(--sans);
  font-weight:500;
  font-size:15px;
  line-height:1;
  padding:15px 26px;
  border:1.5px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .25s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
  text-align:center;
}
.btn-primary{
  background-image:var(--grad);
  background-size:180% 100%;
  background-position:0 0;
  color:#fff;
  box-shadow:0 8px 20px rgba(138,75,36,.22);
}
.btn-primary:hover{
  color:#fff;
  background-position:100% 0;
  transform:translateY(-1px);
  box-shadow:0 12px 26px rgba(138,75,36,.28);
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(138,75,36,.24);}
.btn-outline{
  background:transparent;
  color:var(--brown);
  border-color:var(--brown);
}
.btn-outline:hover{
  background:var(--paper);
  color:var(--brown-hover);
  border-color:var(--brown-hover);
  transform:translateY(-1px);
}
.btn-outline:active{transform:translateY(1px);background:#F1E9DC;}
.btn-sm{padding:11px 20px;font-size:14px;border-radius:12px;}
.btn-block{display:flex;width:100%;}
.btn-light{
  background:transparent;
  color:#F3E7D8;
  border-color:rgba(243,231,216,.5);
}
.btn-light:hover{background:rgba(243,231,216,.12);color:#fff;border-color:rgba(243,231,216,.85);}
.btn[disabled],.btn.is-disabled{
  background:var(--disabled);
  background-image:none;
  color:#fff;
  box-shadow:none;
  cursor:not-allowed;
  transform:none;
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:500;
  color:var(--brown);
  position:relative;
  padding-bottom:2px;
}
.link-arrow::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:100%;
  height:1.5px;
  background:var(--brown);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .28s ease;
}
.link-arrow:hover::after{transform:scaleX(1);}
.link-arrow svg{transition:transform .25s ease;}
.link-arrow:hover svg{transform:translateX(3px);}

/* ============ 页头 / 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(74,44,24,.09);}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:64px;
}
.nav-left{
  display:flex;
  align-items:center;
  gap:28px;
  min-width:0;
  flex:1 1 55%;
}
.nav-right{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 1 45%;
  justify-content:flex-end;
}
.logo{
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  font-family:var(--serif);
  font-size:21px;
  font-weight:700;
  color:var(--brown);
  letter-spacing:.02em;
  white-space:nowrap;
}
.logo:hover{color:var(--brown-hover);}
.logo-suffix{
  font-family:var(--sans);
  font-size:12px;
  font-weight:500;
  color:var(--muted);
  letter-spacing:.06em;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  min-width:0;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 10px;
  font-size:14.5px;
  font-weight:500;
  color:var(--muted);
  border-radius:8px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--brown);background:rgba(138,75,36,.06);}
.nav-link.is-active{color:var(--brown);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:10px;right:10px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--celadon);
}
.nav-search{
  display:flex;
  align-items:center;
  gap:0;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:999px;
  padding:4px 4px 4px 14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{
  border-color:var(--celadon);
  box-shadow:0 0 0 3px var(--celadon-light);
}
.nav-search input{
  border:none;
  outline:none;
  background:transparent;
  width:150px;
  font-size:13px;
  color:var(--text);
  padding:6px 0;
}
.nav-search input::placeholder{color:#A79889;}
.nav-search button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:30px;height:30px;
  border:none;
  border-radius:999px;
  background:var(--celadon-light);
  color:var(--celadon);
  transition:background .2s ease,color .2s ease;
}
.nav-search button:hover{background:var(--celadon);color:#fff;}
.drawer-search,.drawer-cta{display:none;}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--card);
  padding:0 10px;
}
.nav-toggle span{
  display:block;
  height:2px;
  border-radius:2px;
  background:var(--brown);
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 面包屑 ============ */
.crumb-bar{
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  padding:14px 0;
  font-size:13.5px;
  color:var(--muted);
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brown);}
.crumb .sep{color:#BCAC9B;}
.crumb .current{color:var(--text);font-weight:500;}

/* ============ 页面首屏 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background-color:var(--paper);
  background-image:linear-gradient(120deg,rgba(248,243,234,.96) 0%,rgba(248,243,234,.9) 45%,rgba(248,243,234,.72) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
}
.page-hero::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:4px;
  background:var(--grad);
}
.page-hero-inner{
  position:relative;
  padding:calc(64px + 32px - 64px) 0 64px;
  padding-top:56px;
  max-width:860px;
}
.page-hero .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:500;
  letter-spacing:.1em;
  color:var(--celadon);
  background:var(--celadon-light);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(34px,4.4vw,52px);
  line-height:1.22;
  margin-bottom:18px;
}
.page-hero h1 em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.page-hero .lead{
  font-size:17px;
  line-height:1.85;
  color:var(--muted);
  max-width:720px;
}
.badge-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.stat-badge{
  display:flex;
  flex-direction:column;
  gap:2px;
  min-width:130px;
  padding:14px 18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--shadow);
}
.stat-badge .num{
  font-family:var(--serif);
  font-size:26px;
  font-weight:700;
  line-height:1.1;
  color:var(--brown);
}
.stat-badge .num small{font-size:13px;font-weight:500;margin-left:2px;color:var(--muted);}
.stat-badge .cap{font-size:12.5px;color:var(--muted);letter-spacing:.02em;}
.stat-badge.is-accent{
  background-image:var(--grad);
  border-color:transparent;
}
.stat-badge.is-accent .num,
.stat-badge.is-accent .num small,
.stat-badge.is-accent .cap{color:#fff;}

/* ============ 板块通用 ============ */
.section{padding:var(--section-y) 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
}
.section-head h2{
  font-size:clamp(26px,3vw,36px);
  margin-bottom:10px;
}
.section-head .sub{
  font-size:15px;
  color:var(--muted);
  max-width:640px;
}
.section-head .head-extra{flex:0 0 auto;}

/* ============ Z 字形横向大卡 ============ */
.zig-list{display:flex;flex-direction:column;gap:32px;}
.zig{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:0;
  align-items:stretch;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.zig:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:#D9C9B3;
}
.zig-media{
  position:relative;
  min-height:320px;
  overflow:hidden;
  background:repeating-linear-gradient(120deg,#EFE3D2 0 14px,#F6EDE0 14px 28px);
}
.zig-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.zig:hover .zig-media img{transform:scale(1.03);}
.zig-media .tag-float{
  position:absolute;
  top:18px;left:18px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  font-weight:500;
  letter-spacing:.04em;
  color:var(--brown);
  background:rgba(255,253,249,.94);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 13px;
  box-shadow:0 4px 12px rgba(74,44,24,.1);
}
.zig-body{
  padding:40px 44px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:16px;
}
.zig-index{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border-radius:14px;
  background-image:var(--grad);
  color:#fff;
  font-family:var(--serif);
  font-size:17px;
  font-weight:700;
  letter-spacing:.02em;
}
.zig-body h3{
  font-size:clamp(21px,2.1vw,25px);
  line-height:1.35;
}
.zig-body .desc{
  font-size:15.5px;
  line-height:1.85;
  color:var(--muted);
}
.point-list{display:flex;flex-direction:column;gap:10px;margin-top:2px;}
.point-list li{
  position:relative;
  padding-left:24px;
  font-size:14.5px;
  line-height:1.75;
  color:var(--text);
}
.point-list li::before{
  content:"";
  position:absolute;
  left:0;top:.62em;
  width:9px;height:9px;
  border-radius:3px;
  background:var(--celadon-light);
  border:1.5px solid var(--celadon);
}
.zig-body .zig-foot{
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
  margin-top:8px;
}
.chip{
  display:inline-flex;
  align-items:center;
  font-size:12.5px;
  font-weight:500;
  color:var(--muted);
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:999px;
  padding:5px 12px;
}
.zig--rev .zig-media{order:2;}

/* ============ 规则提示条 ============ */
.notice{
  display:flex;
  align-items:flex-start;
  gap:16px;
  padding:24px 28px;
  border-radius:var(--r-card);
  background:var(--celadon-light);
  border:1px solid #CFE0D7;
  margin-top:40px;
}
.notice .notice-icon{
  flex:0 0 auto;
  width:38px;height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  background:var(--celadon);
  color:#fff;
}
.notice h4{font-size:16px;margin-bottom:6px;}
.notice p{font-size:14.5px;color:#3D574C;line-height:1.8;}

/* ============ FAQ ============ */
.faq-section{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:#D8C8B2;}
.faq-item.is-open{border-color:var(--celadon);box-shadow:var(--shadow);}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  width:100%;
  padding:22px 26px;
  background:transparent;
  border:none;
  text-align:left;
  font-family:var(--serif);
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  color:var(--text);
}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  border:1.5px solid var(--line);
  transition:border-color .25s ease,background .25s ease,transform .25s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  top:50%;left:50%;
  background:var(--brown);
  border-radius:2px;
  transform:translate(-50%,-50%);
  transition:opacity .25s ease,transform .25s ease,background .25s ease;
}
.faq-icon::before{width:11px;height:1.8px;}
.faq-icon::after{width:1.8px;height:11px;}
.faq-item.is-open .faq-icon{border-color:var(--celadon);background:var(--celadon-light);transform:rotate(180deg);}
.faq-item.is-open .faq-icon::before{background:var(--celadon);}
.faq-item.is-open .faq-icon::after{opacity:0;transform:translate(-50%,-50%) scaleY(0);}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .32s ease;
}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a-inner p{
  padding:0 26px 24px;
  font-size:15px;
  line-height:1.9;
  color:var(--muted);
}

/* ============ CTA ============ */
.cta-section{padding:0 0 var(--section-y);}
.cta-box{
  position:relative;
  overflow:hidden;
  background:var(--dark);
  border-radius:var(--r-lg);
  margin:0 24px;
  padding:56px 56px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:36px;
  align-items:center;
}
.cta-box::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 88% 12%,rgba(196,105,60,.35),transparent 55%);
  pointer-events:none;
}
.cta-box > *{position:relative;}
.cta-box h2{
  color:#FBF4E9;
  font-size:clamp(25px,2.8vw,34px);
  margin-bottom:12px;
}
.cta-box p{
  color:#CFC0B2;
  font-size:15.5px;
  line-height:1.85;
  max-width:620px;
}
.cta-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  margin-top:26px;
}
.cta-stat{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:20px 24px;
  border-radius:var(--r-card);
  background:rgba(255,253,249,.08);
  border:1px solid rgba(226,169,106,.35);
  min-width:180px;
}
.cta-stat .num{
  font-family:var(--serif);
  font-size:32px;
  font-weight:700;
  color:var(--wheat);
  line-height:1.1;
}
.cta-stat .cap{font-size:12.5px;color:#C9BBAD;line-height:1.6;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:var(--dark);
  color:#C9BBAD;
  padding:64px 0 28px;
  margin-top:0;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:var(--grad);
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(226,169,106,.18);
}
.footer-brand .logo{color:#F5E9D9;font-size:21px;}
.footer-brand .logo-suffix{color:#A79889;}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.9;
  color:#B7A899;
  max-width:300px;
}
.footer-domain{
  margin-top:18px;
  font-size:12px;
  letter-spacing:.08em;
  color:#8A7C6F;
}
.footer-col h4{
  font-family:var(--sans);
  font-size:14px;
  font-weight:600;
  color:#F0E3D3;
  letter-spacing:.06em;
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  font-size:14px;
  color:#B7A899;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col a:hover{color:var(--wheat);padding-left:3px;}
.footer-contact li{
  font-size:13.5px;
  line-height:1.8;
  color:#A79889;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:24px;
  font-size:12.5px;
  color:#8A7C6F;
}
.footer-bottom a{color:#B7A899;}
.footer-bottom a:hover{color:var(--wheat);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--section-y:76px;}
  .nav-search input{width:126px;}
  .nav-left{gap:20px;}
  .nav-link{padding:8px 8px;font-size:14px;}
}
@media (max-width:991px){
  :root{--section-y:64px;}
  .container{padding:0 20px;}
  .nav-toggle{display:flex;}
  .nav-right .nav-search{display:none;}
  .nav-left{gap:16px;flex:1 1 auto;}
  .nav-links{
    position:fixed;
    top:0;right:0;
    width:min(320px,86vw);
    height:100vh;
    height:100dvh;
    background:var(--paper);
    border-left:1px solid var(--line);
    box-shadow:-16px 0 40px rgba(43,33,28,.16);
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    padding:78px 22px 22px;
    overflow-y:auto;
    transform:translateX(102%);
    transition:transform .32s ease;
    z-index:120;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-link{
    display:block;
    font-size:15px;
    padding:13px 12px;
    border-radius:12px;
  }
  .nav-link.is-active::after{display:none;}
  .nav-link.is-active{background:var(--celadon-light);color:var(--celadon);}
  .drawer-search{
    display:flex;
    align-items:center;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:14px;
    padding:6px 6px 6px 14px;
    margin:14px 0 6px;
  }
  .drawer-search input{
    flex:1;
    min-width:0;
    border:none;
    outline:none;
    background:transparent;
    font-size:14px;
    padding:8px 0;
    color:var(--text);
  }
  .drawer-search input::placeholder{color:#A79889;}
  .drawer-search button{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:34px;height:34px;
    flex:0 0 auto;
    border:none;
    border-radius:10px;
    background:var(--celadon-light);
    color:var(--celadon);
  }
  .drawer-cta{display:block;margin-top:auto;padding-top:18px;}
  .page-hero-inner{padding-top:44px;padding-bottom:48px;}
  .zig{grid-template-columns:1fr;}
  .zig--rev .zig-media{order:0;}
  .zig-media{min-height:230px;aspect-ratio:16/9;}
  .zig-body{padding:30px 28px;}
  .cta-box{
    grid-template-columns:1fr;
    padding:40px 32px;
    margin:0 20px;
    gap:26px;
  }
  .cta-stat{min-width:0;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (max-width:767px){
  :root{--section-y:56px;}
  body{font-size:15px;}
  .container{padding:0 18px;}
  .nav-wrap{height:56px;}
  .logo{font-size:19px;}
  .logo-suffix{font-size:11px;}
  .page-hero-inner{padding-top:36px;padding-bottom:40px;}
  .page-hero .lead{font-size:15.5px;}
  .badge-row{gap:10px;}
  .stat-badge{flex:1 1 calc(50% - 10px);min-width:0;padding:12px 14px;}
  .stat-badge .num{font-size:22px;}
  .zig-body{padding:26px 22px;}
  .zig-media{min-height:190px;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .zig-body .zig-foot .btn{width:auto;}
  .cta-actions .btn{width:100%;}
  .cta-box{padding:34px 24px;margin:0 18px;border-radius:var(--r-card);}
  .faq-q{padding:18px 20px;font-size:16px;}
  .faq-a-inner p{padding:0 20px 20px;}
  .notice{padding:20px;flex-direction:column;gap:12px;}
  .footer-top{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .section-head{margin-bottom:30px;}
}
@media (max-width:480px){
  .page-hero h1{font-size:29px;}
  .stat-badge{flex:1 1 100%;}
  .zig-body h3{font-size:20px;}
  .cta-stat .num{font-size:26px;}
  .crumb{font-size:12.5px;gap:6px;}
}

/* roulang page: category3 */
:root{
  --brown:#8A4B24; --brown-h:#6E3A1B; --brown-a:#5A2F16;
  --celadon:#4F6F62; --celadon-l:#E6EFEA;
  --terra:#C4693C; --wheat:#E2A96A;
  --paper:#F8F3EA; --card:#FFFDF9; --ink:#2B211C;
  --text:#2A2320; --text-2:#6B5D53; --line:#E4D9C9;
  --ok:#4F6F62; --warn:#B8642B; --disabled:#BFB3A6;
  --grad:linear-gradient(120deg,#8A4B24 0%,#C4693C 55%,#E2A96A 100%);
  --r-sm:10px; --r-btn:14px; --r-card:20px; --r-lg:28px; --r-img:16px;
  --sh:0 8px 24px rgba(74,44,24,.07);
  --sh-h:0 16px 36px rgba(74,44,24,.12);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --sans:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--sans);font-size:16px;line-height:1.8;
  color:var(--text);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--brown);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brown-h);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;font-size:14px;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:700;line-height:1.25;color:var(--ink);}
p{margin:0;}
:focus-visible{outline:2px solid var(--celadon);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-title{font-size:clamp(26px,3vw,36px);}
.section-desc{margin-top:12px;color:var(--text-2);font-size:15px;max-width:640px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;letter-spacing:.06em;color:var(--celadon);margin-bottom:14px;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--grad);border-radius:2px;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:500;padding:13px 26px;border-radius:var(--r-btn);
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;border:1.5px solid transparent;}
.btn-primary{background:var(--grad);background-size:180% 100%;color:#fff;box-shadow:0 8px 20px rgba(138,75,36,.22);}
.btn-primary:hover{background-position:100% 0;transform:translateY(-1px);box-shadow:0 14px 28px rgba(138,75,36,.26);color:#fff;}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(138,75,36,.22);}
.btn-ghost{background:transparent;border-color:var(--brown);color:var(--brown);}
.btn-ghost:hover{background:var(--paper);color:var(--brown-h);border-color:var(--brown-h);}
.btn-ghost:active{background:#F1E8D9;}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:12px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{background:var(--disabled);color:#fff;box-shadow:none;cursor:not-allowed;transform:none;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--brown);
  background-image:linear-gradient(var(--brown),var(--brown));background-size:0 1px;background-repeat:no-repeat;
  background-position:0 100%;padding-bottom:2px;transition:background-size .28s ease,color .2s ease;}
.link-arrow::after{content:"›";font-size:16px;line-height:1;transform:translateY(-1px);}
.link-arrow:hover{background-size:100% 1px;color:var(--brown-h);}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--paper);border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 8px 22px rgba(74,44,24,.09);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px;}
.nav-left{display:flex;align-items:center;gap:28px;flex:0 1 55%;min-width:0;}
.nav-right{display:flex;align-items:center;gap:14px;flex:0 1 45%;justify-content:flex-end;}
.logo{font-family:var(--serif);font-size:20px;font-weight:700;color:var(--ink);display:inline-flex;align-items:baseline;gap:6px;letter-spacing:.02em;}
.logo:hover{color:var(--brown);}
.logo-suffix{font-family:var(--sans);font-size:12px;font-weight:500;color:var(--celadon);
  background:var(--celadon-l);border-radius:999px;padding:3px 9px;letter-spacing:.04em;}
.nav-links{display:flex;align-items:center;gap:20px;min-width:0;}
.nav-link{position:relative;font-size:14.5px;font-weight:500;color:var(--text-2);padding:6px 0;white-space:nowrap;}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--celadon);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-search{display:flex;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:999px;
  padding:5px 6px 5px 14px;transition:border-color .2s ease,box-shadow .2s ease;}
.nav-search input{border:0;background:transparent;width:150px;color:var(--text);outline:none;}
.nav-search input::placeholder{color:#9A8B7E;}
.nav-search:focus-within{border-color:var(--celadon);box-shadow:0 0 0 3px rgba(79,111,98,.14);}
.nav-search button{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:999px;
  color:var(--text-2);transition:background .2s ease,color .2s ease;}
.nav-search button:hover{background:var(--celadon-l);color:var(--celadon);}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:var(--card);align-items:center;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease,opacity .2s ease;}
.drawer-search,.drawer-cta{display:none;}

/* ---------- hero ---------- */
.crumb{font-size:13.5px;color:var(--text-2);padding-top:28px;}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumb li{display:inline-flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:#B9AA9A;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brown);}
.crumb [aria-current]{color:var(--ink);font-weight:500;}

.cat-hero{padding:32px 0 0;}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.cat-hero h1{font-size:clamp(34px,4.4vw,52px);letter-spacing:.01em;}
.hero-lead{margin-top:18px;font-size:17px;line-height:1.85;color:var(--text-2);max-width:600px;}
.badge-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.badge-item{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:10px 20px 10px 16px;
  display:inline-flex;align-items:center;gap:10px;box-shadow:var(--sh);}
.badge-num{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--brown);line-height:1;}
.badge-num small{font-size:12px;font-family:var(--sans);font-weight:500;color:var(--text-2);margin-left:2px;}
.badge-label{font-size:13px;color:var(--text-2);}
.badge-item--solid{background:var(--grad);border-color:transparent;box-shadow:0 10px 24px rgba(138,75,36,.22);}
.badge-item--solid .badge-num,.badge-item--solid .badge-label{color:#fff;}
.badge-item--solid .badge-num small{color:rgba(255,255,255,.86);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-visual{position:relative;}
.hero-panel{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-h);border:1px solid var(--line);}
.hero-panel img{width:100%;height:420px;object-fit:cover;border-radius:0;}
.hero-panel::after{content:"";position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(138,75,36,.36),rgba(196,105,60,.16) 46%,rgba(226,169,106,.1));}
.hero-float{position:absolute;left:22px;bottom:22px;right:22px;background:rgba(255,253,249,.94);
  border:1px solid var(--line);border-radius:var(--r-card);padding:16px 18px;box-shadow:var(--sh);
  display:flex;align-items:center;justify-content:space-between;gap:14px;backdrop-filter:saturate(120%);}
.hero-float strong{display:block;font-family:var(--serif);font-size:16px;color:var(--ink);}
.hero-float span{font-size:12.5px;color:var(--text-2);}
.hero-float .pill{font-size:12px;font-weight:500;color:#fff;background:var(--grad);border-radius:999px;padding:6px 12px;white-space:nowrap;}

/* ---------- numbers ---------- */
.num-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.num-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px 26px;box-shadow:var(--sh);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;overflow:hidden;}
.num-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);opacity:.9;}
.num-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:#D9C9B4;}
.num-index{font-family:var(--serif);font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--celadon);}
.num-value{font-family:var(--serif);font-size:clamp(54px,6.2vw,78px);font-weight:700;line-height:1;
  color:var(--brown);margin:14px 0 6px;letter-spacing:-.02em;}
.num-value .num-unit{font-size:16px;font-weight:500;color:var(--text-2);margin-left:6px;letter-spacing:0;}
.num-card h3{font-size:19px;margin-bottom:10px;}
.num-card p{font-size:14.5px;color:var(--text-2);line-height:1.78;}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);
  overflow:hidden;transition:transform .28s ease,box-shadow .28s ease,border-color .25s ease;display:flex;flex-direction:column;}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:#D9C9B4;}
.card-media{position:relative;overflow:hidden;}
.card-media img{width:100%;height:200px;object-fit:cover;border-radius:0;transition:transform .5s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-tag{position:absolute;left:14px;top:14px;font-size:12px;font-weight:500;color:var(--ink);
  background:rgba(255,253,249,.92);border:1px solid var(--line);border-radius:999px;padding:4px 11px;}
.card-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:20px;}
.card-body p{font-size:14.5px;color:var(--text-2);line-height:1.8;flex:1;}

/* ---------- range ---------- */
.range-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.range-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
  box-shadow:var(--sh);transition:transform .25s ease,box-shadow .25s ease;}
.range-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);}
.range-card--feature{border-color:var(--celadon);background:linear-gradient(180deg,var(--celadon-l),var(--card) 58%);}
.range-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.range-head h3{font-size:20px;}
.range-flag{font-size:12px;font-weight:500;color:#fff;background:var(--celadon);border-radius:999px;padding:4px 11px;white-space:nowrap;}
.range-card ul{display:flex;flex-direction:column;gap:10px;}
.range-card li{position:relative;padding-left:18px;font-size:14.5px;color:var(--text-2);line-height:1.75;}
.range-card li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
  background:var(--celadon);opacity:.75;}

/* ---------- feature ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.feature-card{display:flex;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:#D9C9B4;}
.feature-icon{flex:0 0 46px;height:46px;border-radius:14px;background:var(--celadon-l);color:var(--celadon);
  display:inline-flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:18px;font-weight:700;}
.feature-card h3{font-size:18px;margin-bottom:8px;}
.feature-card p{font-size:14.5px;color:var(--text-2);line-height:1.8;}

/* ---------- faq ---------- */
.faq{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);
  transition:border-color .25s ease,box-shadow .25s ease;}
.faq-item.is-open{border-color:var(--celadon);box-shadow:var(--sh-h);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;
  padding:20px 24px;font-family:var(--serif);font-size:17px;font-weight:600;color:var(--ink);border-radius:var(--r-card);}
.faq-q .mark{flex:0 0 26px;height:26px;border-radius:999px;background:var(--celadon-l);color:var(--celadon);
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-family:var(--sans);font-weight:500;
  transition:transform .25s ease,background .25s ease,color .25s ease;}
.faq-item.is-open .faq-q .mark{transform:rotate(45deg);background:var(--celadon);color:#fff;}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease;}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a p{padding:0 24px 22px;font-size:14.8px;color:var(--text-2);line-height:1.85;}

/* ---------- cta ---------- */
.cta-wrap{padding:0 0 96px;}
.cta-band{background:var(--ink);border-radius:var(--r-lg);padding:52px 48px;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-band::before{content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 88% 12%,rgba(226,169,106,.2),transparent 58%);}
.cta-band::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);}
.cta-text{position:relative;z-index:1;max-width:620px;}
.cta-text h2{color:#fff;font-size:clamp(24px,2.8vw,32px);}
.cta-text p{margin-top:12px;color:rgba(248,243,234,.76);font-size:15px;line-height:1.8;}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.cta-actions .btn-ghost{border-color:rgba(248,243,234,.5);color:#F8F3EA;}
.cta-actions .btn-ghost:hover{background:rgba(248,243,234,.1);color:#fff;border-color:#F8F3EA;}
.cta-badge{position:relative;z-index:1;background:rgba(248,243,234,.08);border:1px solid rgba(248,243,234,.22);
  border-radius:var(--r-card);padding:16px 22px;text-align:center;}
.cta-badge strong{display:block;font-family:var(--serif);font-size:28px;color:#E2A96A;line-height:1.2;}
.cta-badge span{font-size:12.5px;color:rgba(248,243,234,.72);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(248,243,234,.74);position:relative;padding:64px 0 32px;font-size:14.5px;}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .logo{color:#F8F3EA;font-size:20px;}
.footer-brand .logo:hover{color:var(--wheat);}
.footer-brand .logo-suffix{background:rgba(226,169,106,.16);color:var(--wheat);}
.footer-brand p{margin-top:16px;max-width:320px;line-height:1.8;color:rgba(248,243,234,.66);}
.footer-domain{margin-top:14px;font-size:12.5px;color:rgba(248,243,234,.42);letter-spacing:.04em;}
.footer-col h4{font-family:var(--sans);font-size:14px;font-weight:600;color:#F8F3EA;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:rgba(248,243,234,.68);font-size:14px;}
.footer-col a:hover{color:var(--wheat);}
.footer-contact li{color:rgba(248,243,234,.62);font-size:13.5px;line-height:1.75;}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(248,243,234,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(248,243,234,.5);}
.footer-bottom a{color:rgba(248,243,234,.72);}
.footer-bottom a:hover{color:var(--wheat);}
body.no-scroll{overflow:hidden;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .nav-links{gap:16px;}
  .nav-link{font-size:13.5px;}
  .nav-search input{width:120px;}
  .hero-grid{gap:36px;}
  .num-card{padding:24px 20px;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .nav-toggle{display:inline-flex;}
  .nav-search{display:none;}
  .nav-left{flex:1 1 auto;}
  .nav-right{flex:0 0 auto;gap:10px;}
  .nav-links{position:fixed;top:0;right:0;width:min(330px,86vw);height:100vh;background:var(--card);
    border-left:1px solid var(--line);box-shadow:-18px 0 40px rgba(74,44,24,.14);
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    padding:88px 24px 28px;transform:translateX(102%);transition:transform .3s ease;
    z-index:70;overflow-y:auto;}
  .nav-links.is-open{transform:translateX(0);}
  .nav-link{padding:12px 4px;font-size:15px;border-bottom:1px solid rgba(228,217,201,.6);}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--celadon);}
  .drawer-search{display:flex;margin-top:20px;align-items:center;background:var(--paper);
    border:1px solid var(--line);border-radius:999px;padding:5px 6px 5px 14px;}
  .drawer-search input{flex:1;border:0;background:transparent;outline:none;}
  .drawer-search:focus-within{border-color:var(--celadon);box-shadow:0 0 0 3px rgba(79,111,98,.14);}
  .drawer-search button{width:30px;height:30px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);}
  .drawer-cta{display:block;margin-top:auto;padding-top:22px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-panel img{height:320px;}
  .num-grid{grid-template-columns:repeat(2,1fr);}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .range-grid{grid-template-columns:1fr;}
  .feature-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-band{padding:40px 32px;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .nav-wrap{height:56px;}
  .logo{font-size:18px;}
  .logo-suffix{font-size:11px;padding:2px 8px;}
  .cat-hero{padding-top:24px;}
  .hero-actions .btn{width:100%;}
  .hero-panel img{height:240px;}
  .hero-float{left:14px;right:14px;bottom:14px;padding:12px 14px;}
  .hero-float strong{font-size:14px;}
  .hero-float span{font-size:11.5px;}
  .num-grid{grid-template-columns:1fr;gap:16px;}
  .card-grid{grid-template-columns:1fr;}
  .badge-item{padding:8px 14px;}
  .cta-band{padding:32px 22px;border-radius:var(--r-card);}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .cta-wrap{padding-bottom:56px;}
  .footer-top{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .section-head{margin-bottom:28px;}
  .faq-q{padding:16px 18px;font-size:16px;}
  .faq-a p{padding:0 18px 18px;}
}
@media (max-width:480px){
  .hero-lead{font-size:15.5px;}
  .badge-row{gap:10px;}
  .badge-num{font-size:19px;}
  .badge-label{font-size:12px;}
  .num-value{font-size:52px;}
  .card-body{padding:18px 18px 22px;}
  .feature-card{flex-direction:column;gap:12px;padding:22px 18px;}
}

/* roulang page: category4 */
:root{
  --brand:#8A4B24;
  --brand-hover:#6E3A1B;
  --brand-active:#5A2F16;
  --celadon:#4F6F62;
  --celadon-soft:#E6EFEA;
  --orange:#C4693C;
  --wheat:#E2A96A;
  --paper:#F8F3EA;
  --card:#FFFDF9;
  --ink:#2B211C;
  --text:#2A2320;
  --muted:#6B5D53;
  --line:#E4D9C9;
  --success:#4F6F62;
  --warn:#B8642B;
  --disabled:#BFB3A6;
  --r-sm:10px;
  --r-btn:14px;
  --r-card:20px;
  --r-lg:28px;
  --r-img:18px;
  --shadow:0 8px 24px rgba(74,44,24,.07);
  --shadow-hover:0 16px 36px rgba(74,44,24,.12);
  --grad:linear-gradient(120deg,#8A4B24 0%,#C4693C 52%,#E2A96A 100%);
  --font-serif:"Noto Serif SC","Songti SC",Georgia,"Times New Roman",serif;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:var(--font-sans);
  font-size:16px;line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:600;line-height:1.25;color:var(--ink);letter-spacing:.01em}
p{margin:0}
::selection{background:rgba(196,105,60,.22)}
:focus-visible{outline:2px solid var(--celadon);outline-offset:2px;border-radius:6px}

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

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s ease,background .28s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(74,44,24,.10)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}
.nav-left{display:flex;align-items:center;gap:28px;min-width:0}
.nav-right{display:flex;align-items:center;gap:12px}
.logo{
  font-family:var(--font-serif);font-size:21px;font-weight:700;color:var(--ink);
  display:inline-flex;align-items:baseline;gap:6px;white-space:nowrap;letter-spacing:.02em;
  transition:color .2s ease;
}
.logo:hover{color:var(--brand)}
.logo-suffix{font-family:var(--font-sans);font-size:12px;font-weight:500;color:var(--muted);letter-spacing:.08em}
.nav-links{display:flex;align-items:center;gap:20px}
.nav-link{
  position:relative;font-size:14.5px;color:var(--text);padding:6px 0;white-space:nowrap;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--celadon);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1);background:var(--brand)}
.nav-link.is-active{color:var(--brand);font-weight:500}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-search{display:flex;align-items:center;gap:0;background:var(--card);border:1px solid var(--line);border-radius:var(--r-btn);padding:0 4px 0 12px;height:38px;transition:border-color .2s ease,box-shadow .2s ease}
.nav-search:focus-within{border-color:var(--celadon);box-shadow:0 0 0 3px rgba(79,111,98,.14)}
.nav-search input{border:0;background:transparent;outline:none;width:150px;font-size:13.5px;color:var(--text);height:100%}
.nav-search input::placeholder{color:#A2948A}
.nav-search button{display:grid;place-items:center;width:30px;height:30px;border-radius:8px;color:var(--muted);transition:background .2s ease,color .2s ease}
.nav-search button:hover{background:var(--celadon-soft);color:var(--celadon)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;padding:11px 9px;flex-direction:column;justify-content:space-between}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease,opacity .2s ease}
.drawer-search,.drawer-cta{display:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-size:15px;font-weight:500;letter-spacing:.02em;
  padding:0 22px;height:46px;line-height:1;border:1.5px solid transparent;
  transition:transform .2s ease,box-shadow .24s ease,background .24s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--celadon);outline-offset:2px}
.btn-primary{background-image:var(--grad);background-size:160% 100%;background-position:0% 50%;color:#fff;box-shadow:0 6px 18px rgba(138,75,36,.22)}
.btn-primary:hover{background-position:100% 50%;transform:translateY(-1px);box-shadow:0 12px 26px rgba(138,75,36,.26)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(138,75,36,.24)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--paper);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:rgba(255,253,249,.10);color:#F6EEE3;border-color:rgba(246,238,227,.42)}
.btn-light:hover{background:rgba(255,253,249,.18);transform:translateY(-1px)}
.btn-light:active{transform:translateY(1px)}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;border-radius:12px}
.btn-block{display:flex;width:100%}
.btn[disabled],.btn.is-disabled{background:#DED5C8;background-image:none;color:#8C7F73;box-shadow:none;cursor:not-allowed;transform:none;border-color:transparent}
.link-text{position:relative;color:var(--brand);font-weight:500;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.link-text::after{content:"";position:absolute;left:0;bottom:-3px;width:100%;height:1.5px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .26s ease}
.link-text:hover::after{transform:scaleX(1)}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding:22px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted)}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:#BFB0A2}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .current{color:var(--ink);font-weight:500}

/* ---------- page hero ---------- */
.page-hero{padding:30px 0 8px}
.hero-panel{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);
  padding:44px 44px 40px;
}
.hero-panel::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.hero-panel::after{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(226,169,106,.30),rgba(226,169,106,0) 68%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;color:var(--celadon);font-weight:500;text-transform:none;margin-bottom:16px}
.eyebrow::before{content:"";width:24px;height:2px;border-radius:2px;background:var(--celadon)}
.page-hero h1{font-size:clamp(30px,3.6vw,44px);font-weight:700;margin-bottom:16px}
.page-hero h1 em{font-style:normal;color:var(--brand)}
.hero-lead{font-size:16px;color:var(--muted);max-width:560px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-visual{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.3,1)}
.hero-visual:hover img{transform:scale(1.03)}
.hero-visual .veil{position:absolute;inset:0;background:linear-gradient(155deg,rgba(138,75,36,.20),rgba(196,105,60,.06) 46%,rgba(43,33,28,.32))}
.hero-visual .float-badge{
  position:absolute;left:16px;bottom:16px;right:16px;
  background:rgba(255,253,249,.94);border:1px solid var(--line);border-radius:14px;
  padding:12px 14px;display:flex;align-items:center;gap:12px;box-shadow:var(--shadow);
  backdrop-filter:saturate(120%);
}
.hero-visual .float-badge .num{font-family:var(--font-serif);font-size:24px;font-weight:700;color:var(--brand);line-height:1}
.hero-visual .float-badge .txt{font-size:12.5px;color:var(--muted);line-height:1.5}

/* ---------- badges ---------- */
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.stat-badge{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--paper);border:1px solid var(--line);border-radius:999px;
  padding:9px 18px 9px 14px;
}
.stat-badge .n{font-family:var(--font-serif);font-size:22px;font-weight:700;color:var(--brand);line-height:1}
.stat-badge .n small{font-size:12px;font-weight:500;margin-left:2px;color:var(--muted)}
.stat-badge .d{font-size:12.5px;color:var(--muted);line-height:1.3}
.stat-badge.is-accent{background-image:var(--grad);border-color:transparent;box-shadow:0 8px 20px rgba(138,75,36,.20)}
.stat-badge.is-accent .n,.stat-badge.is-accent .n small,.stat-badge.is-accent .d{color:#fff}

/* ---------- section base ---------- */
.section{padding:78px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,2.8vw,34px);margin-bottom:14px}
.section-head p{font-size:15px;color:var(--muted);line-height:1.85}
.section-head.with-link{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ---------- compare cards (双列对比卡) ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.compare-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);padding:26px 26px 22px;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  display:flex;flex-direction:column;
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D9C9B4}
.compare-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:20px}
.compare-index{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background-image:var(--grad);color:#fff;font-family:var(--font-serif);font-size:17px;font-weight:700;
  box-shadow:0 6px 16px rgba(138,75,36,.22);
}
.compare-head h3{font-size:20px;margin-bottom:6px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-block;font-size:12px;line-height:1;padding:6px 10px;border-radius:999px;
  background:var(--celadon-soft);color:var(--celadon);font-weight:500;
}
.tag.is-warn{background:rgba(184,100,43,.12);color:var(--warn)}
.tag.is-plain{background:var(--paper);color:var(--muted);border:1px solid var(--line)}
.split-columns{display:grid;grid-template-columns:1fr 1fr;position:relative;gap:0;flex:1}
.split-columns::before{
  content:"";position:absolute;left:50%;top:2px;bottom:2px;width:1px;
  background:linear-gradient(180deg,rgba(228,217,201,0) 0%,var(--line) 16%,var(--line) 84%,rgba(228,217,201,0) 100%);
  transform:translateX(-.5px);
}
.split-col{padding:0 18px}
.split-col:first-child{padding-left:0}
.split-col:last-child{padding-right:0}
.split-label{
  display:flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;letter-spacing:.06em;
  color:var(--muted);margin-bottom:12px;
}
.split-label i{width:6px;height:6px;border-radius:50%;background:var(--celadon);font-style:normal;display:block}
.split-col:last-child .split-label i{background:var(--orange)}
.split-col p{font-size:14.5px;color:var(--text);line-height:1.85}
.dot-list{margin-top:12px;display:flex;flex-direction:column;gap:9px}
.dot-list li{position:relative;padding-left:15px;font-size:13.5px;color:var(--muted);line-height:1.7}
.dot-list li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--celadon)}
.split-col:last-child .dot-list li::before{background:var(--wheat)}
.compare-foot{
  margin-top:20px;padding-top:16px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.compare-foot .meta{font-size:12.5px;color:#9A8B7E}

/* ---------- checklist block ---------- */
.check-block{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);padding:34px;overflow:hidden;
}
.check-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);position:relative}
.check-media img{width:100%;aspect-ratio:5/4;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.3,1)}
.check-media:hover img{transform:scale(1.03)}
.check-media .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(43,33,28,0) 40%,rgba(43,33,28,.30))}
.check-body h2{font-size:clamp(23px,2.5vw,30px);margin-bottom:14px}
.check-body>p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:22px}
.check-list{display:flex;flex-direction:column;gap:12px}
.check-item{display:flex;gap:12px;align-items:flex-start;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:14px 16px;transition:border-color .2s ease,transform .2s ease}
.check-item:hover{border-color:var(--celadon);transform:translateX(3px)}
.check-item .mark{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;display:grid;place-items:center;
  background:var(--celadon-soft);color:var(--celadon);font-size:12px;font-weight:700;margin-top:2px;
}
.check-item strong{display:block;font-size:14.5px;color:var(--ink);font-weight:600;margin-bottom:3px;font-family:var(--font-sans)}
.check-item span{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ---------- notice strip ---------- */
.notice-strip{
  display:flex;align-items:flex-start;gap:14px;background:var(--celadon-soft);
  border:1px solid #CFE0D7;border-left:4px solid var(--celadon);
  border-radius:14px;padding:16px 20px;margin-top:28px;
}
.notice-strip .ico{flex:0 0 auto;color:var(--celadon);margin-top:2px}
.notice-strip p{font-size:13.5px;color:#3E574C;line-height:1.8}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow);overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease}
.faq-item:hover{border-color:#D9C9B4}
.faq-item.is-open{border-color:var(--celadon);box-shadow:0 12px 30px rgba(74,44,24,.10)}
.faq-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  text-align:left;padding:20px 24px;font-family:var(--font-serif);font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-btn:hover{color:var(--brand)}
.faq-ico{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:var(--paper);border:1px solid var(--line);color:var(--brand);font-size:15px;line-height:1;
  transition:transform .28s ease,background .24s ease,color .24s ease,border-color .24s ease;
}
.faq-item.is-open .faq-ico{background:var(--celadon);border-color:var(--celadon);color:#fff;transform:rotate(45deg)}
.faq-panel{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-panel .inner{padding:0 24px 22px;font-size:14.5px;color:var(--muted);line-height:1.9}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 84px}
.cta-block{
  position:relative;overflow:hidden;background:var(--ink);border-radius:var(--r-lg);
  padding:48px 44px;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
  margin:0 24px;
}
.cta-block::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}
.cta-block::after{
  content:"";position:absolute;right:-90px;bottom:-140px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(196,105,60,.30),rgba(196,105,60,0) 70%);
}
.cta-text{position:relative;max-width:560px}
.cta-text h2{color:#FBF5EC;font-size:clamp(24px,2.7vw,32px);margin-bottom:12px}
.cta-text p{color:#C9BBAD;font-size:14.5px;line-height:1.85}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cta-stat{
  position:relative;background:rgba(255,253,249,.08);border:1px solid rgba(246,238,227,.22);
  border-radius:16px;padding:14px 20px;display:flex;align-items:center;gap:14px;min-width:200px;
}
.cta-stat .n{font-family:var(--font-serif);font-size:26px;font-weight:700;color:var(--wheat);line-height:1}
.cta-stat .d{font-size:12.5px;color:#BFB1A3;line-height:1.45}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#C9BBAD;padding:0;position:relative}
.site-footer::before{content:"";display:block;height:3px;background:var(--grad)}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;
  padding:58px 0 44px;
}
.footer-brand .logo{color:#FBF5EC;font-size:21px;margin-bottom:16px}
.footer-brand .logo-suffix{color:#A2968A}
.footer-brand p{font-size:13.5px;line-height:1.85;color:#A99C90;max-width:300px}
.footer-domain{margin-top:16px;font-size:12px;letter-spacing:.06em;color:#7E736A}
.footer-col h4{font-size:14px;color:#F1E7DA;margin-bottom:16px;font-family:var(--font-sans);font-weight:600;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13.5px;color:#B4A69A;transition:color .2s ease}
.footer-col a:hover{color:var(--wheat)}
.footer-contact li{font-size:13.5px;color:#A99C90;line-height:1.7}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 30px;border-top:1px solid rgba(246,238,227,.12);font-size:12.5px;color:#8C8177;
}
.footer-bottom a{color:#C9BBAD;transition:color .2s ease}
.footer-bottom a:hover{color:var(--wheat)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .nav-links{gap:16px}
  .nav-link{font-size:13.5px}
  .nav-search input{width:118px}
  .hero-grid{gap:28px}
  .check-block{gap:28px;padding:28px}
}
@media (max-width:991px){
  .nav-search{display:none}
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);
    background:var(--paper);border-left:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;
    padding:76px 22px 24px;
    transform:translateX(105%);transition:transform .32s cubic-bezier(.3,.8,.3,1);
    box-shadow:-14px 0 40px rgba(74,44,24,.14);z-index:130;overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-link{font-size:15px;padding:14px 2px;border-bottom:1px solid rgba(228,217,201,.7)}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--brand)}
  .drawer-search{display:flex;align-items:center;gap:0;margin-top:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-btn);padding:0 4px 0 12px;height:42px}
  .drawer-search:focus-within{border-color:var(--celadon);box-shadow:0 0 0 3px rgba(79,111,98,.14)}
  .drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;height:100%;color:var(--text);min-width:0}
  .drawer-search button{display:grid;place-items:center;width:32px;height:32px;border-radius:8px;color:var(--muted)}
  .drawer-cta{display:block;margin-top:auto;padding-top:24px}
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{order:-1}
  .hero-visual img{aspect-ratio:16/9}
  .hero-panel{padding:32px 26px}
  .compare-grid{grid-template-columns:1fr}
  .check-block{grid-template-columns:1fr}
  .cta-block{padding:36px 28px;margin:0 18px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;padding:44px 0 34px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .page-hero{padding:22px 0 4px}
  .hero-panel{padding:26px 20px;border-radius:22px}
  .hero-actions .btn{flex:1 1 100%}
  .badge-row{gap:10px}
  .stat-badge{flex:1 1 100%;justify-content:flex-start}
  .split-columns{grid-template-columns:1fr}
  .split-columns::before{left:0;right:0;top:auto;bottom:auto;position:relative;height:1px;width:100%;transform:none;margin:16px 0;background:var(--line)}
  .split-col{padding:0}
  .split-col:last-child{margin-top:14px}
  .compare-card{padding:22px 20px}
  .faq-btn{font-size:16px;padding:17px 18px}
  .faq-panel .inner{padding:0 18px 18px}
  .cta-section{padding-bottom:56px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .cta-stat{width:100%}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .check-block{padding:22px 18px;border-radius:22px}
  .hero-visual .float-badge{padding:10px 12px}
}
@media (max-width:480px){
  body{font-size:15px}
  .logo{font-size:19px}
  .logo-suffix{font-size:11px}
  .page-hero h1{font-size:27px}
  .stat-badge .n{font-size:19px}
  .compare-head h3{font-size:18px}
  .split-label{font-size:12px}
  .hero-visual .float-badge{flex-direction:column;align-items:flex-start;gap:4px}
}

/* roulang page: category5 */
:root{
  --brand:#8A4B24;
  --brand-hover:#6E3A1B;
  --brand-active:#5A2F16;
  --celadon:#4F6F62;
  --celadon-soft:#E6EFEA;
  --accent:#C4693C;
  --wheat:#E2A96A;
  --paper:#F8F3EA;
  --card:#FFFDF9;
  --dark:#2B211C;
  --text:#2A2320;
  --muted:#6B5D53;
  --border:#E4D9C9;
  --warn:#B8642B;
  --disabled:#BFB3A6;
  --grad:linear-gradient(120deg,#8A4B24 0%,#C4693C 55%,#E2A96A 100%);
  --shadow-sm:0 8px 24px rgba(74,44,24,.07);
  --shadow-lg:0 16px 36px rgba(74,44,24,.12);
  --r-sm:10px;
  --r-btn:14px;
  --r-card:20px;
  --r-lg:28px;
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,"Times New Roman",serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--brand-hover);}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:700;line-height:1.25;color:var(--text);letter-spacing:.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
input,button,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--celadon);outline-offset:2px;border-radius:6px;}

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

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1.5px solid transparent;
  border-radius:var(--r-btn);
  padding:12px 24px;
  font-size:15px;font-weight:500;line-height:1.2;
  transition:transform .2s ease,background .25s ease,box-shadow .25s ease,color .2s ease,border-color .2s ease,background-position .4s ease;
  white-space:nowrap;
}
.btn-primary{
  background-image:var(--grad);
  background-size:160% 160%;
  background-position:0 50%;
  color:#fff;
  box-shadow:0 10px 22px rgba(138,75,36,.22);
}
.btn-primary:hover{color:#fff;background-position:100% 50%;transform:translateY(-1px);box-shadow:0 14px 28px rgba(138,75,36,.28);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(138,75,36,.24);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--paper);color:var(--brand-hover);border-color:var(--brand-hover);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:#FFFDF9;color:var(--dark);border-color:transparent;}
.btn-light:hover{background:#fff;color:var(--brand);transform:translateY(-1px);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:12px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{background:var(--disabled);background-image:none;color:#fff;box-shadow:none;cursor:not-allowed;transform:none;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--paper);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(74,44,24,.1);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;}
.nav-left{display:flex;align-items:center;gap:30px;min-width:0;flex:1 1 55%;}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.logo{
  display:inline-flex;align-items:baseline;gap:6px;
  font-family:var(--serif);font-size:21px;font-weight:700;color:var(--brand);letter-spacing:.02em;
}
.logo:hover{color:var(--brand-hover);}
.logo-suffix{font-family:var(--sans);font-size:12px;font-weight:500;color:var(--muted);letter-spacing:.12em;}
.nav-links{display:flex;align-items:center;gap:20px;}
.nav-link{
  position:relative;padding:6px 0;font-size:14px;font-weight:500;color:var(--muted);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--celadon);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--celadon);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-search{display:flex;align-items:center;gap:6px;background:var(--card);border:1px solid var(--border);border-radius:999px;padding:4px 6px 4px 14px;transition:border-color .2s ease,box-shadow .2s ease;}
.nav-search input{
  width:140px;border:0;background:transparent;outline:none;font-size:13px;color:var(--text);padding:5px 0;
}
.nav-search input::placeholder{color:#A2927F;}
.nav-search:focus-within{border-color:var(--celadon);box-shadow:0 0 0 3px rgba(79,111,98,.16);}
.nav-search button{
  display:grid;place-items:center;width:28px;height:28px;border:0;border-radius:50%;
  background:var(--celadon-soft);color:var(--celadon);transition:background .2s ease,color .2s ease;
}
.nav-search button:hover{background:var(--celadon);color:#fff;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:38px;padding:0 9px;border:1px solid var(--border);border-radius:12px;background:var(--card);
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--brand);transition:transform .25s ease,opacity .2s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer-search,.drawer-cta{display:none;}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:22px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:#B9A894;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb li[aria-current]{color:var(--text);font-weight:500;}

/* ---------- hero ---------- */
.page-hero{padding:34px 0 62px;}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:500;letter-spacing:.16em;color:var(--celadon);
  background:var(--celadon-soft);border-radius:999px;padding:6px 14px;margin-bottom:20px;
}
.hero-grid h1{font-size:clamp(34px,4.4vw,50px);margin-bottom:18px;}
.hero-sub{font-size:17px;color:var(--muted);margin-bottom:14px;max-width:600px;}
.hero-desc{font-size:15px;color:var(--muted);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 30px;}
.stat-row{display:flex;flex-wrap:wrap;gap:14px;}
.stat{
  display:flex;align-items:baseline;gap:8px;
  background:var(--card);border:1px solid var(--border);border-radius:999px;
  padding:9px 18px;box-shadow:var(--shadow-sm);
}
.stat b{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--brand);line-height:1;}
.stat span{font-size:12px;color:var(--muted);}
.stat--grad{background-image:var(--grad);border-color:transparent;box-shadow:0 12px 26px rgba(138,75,36,.24);}
.stat--grad b,.stat--grad span{color:#fff;}
.hero-visual{position:relative;}
.hero-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);border:1px solid var(--border);background:var(--card);
}
.hero-figure img{width:100%;height:360px;object-fit:cover;transition:transform .6s ease;}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(138,75,36,.34) 0%,rgba(196,105,60,.16) 45%,rgba(226,169,106,.08) 100%);
  pointer-events:none;
}
.hero-figure:hover img{transform:scale(1.03);}
.float-card{
  position:absolute;left:-16px;bottom:-20px;
  background:var(--card);border:1px solid var(--border);border-radius:18px;
  padding:14px 18px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:12px;
}
.float-card .dot{width:10px;height:10px;border-radius:50%;background:var(--celadon);box-shadow:0 0 0 4px rgba(79,111,98,.16);}
.float-card strong{font-family:var(--serif);font-size:16px;display:block;color:var(--text);line-height:1.3;}
.float-card em{font-style:normal;font-size:12px;color:var(--muted);}

/* ---------- section base ---------- */
.section{padding:76px 0;}
.section--tight{padding:56px 0;}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head h2{font-size:clamp(26px,3vw,36px);margin-bottom:14px;}
.sec-head p{color:var(--muted);font-size:15.5px;}
.sec-head .tag-line{display:block;font-family:var(--sans);font-size:12px;font-weight:500;letter-spacing:.18em;color:var(--celadon);margin-bottom:12px;}

/* ---------- timeline ---------- */
.timeline{display:flex;flex-direction:column;gap:34px;}
.tl-item{display:grid;grid-template-columns:64px minmax(0,1fr);gap:22px;align-items:start;}
.tl-rail{position:relative;display:flex;justify-content:center;height:100%;}
.tl-rail::before{
  content:"";position:absolute;top:46px;bottom:-56px;left:50%;width:2px;transform:translateX(-50%);
  background:linear-gradient(180deg,var(--border) 0%,var(--border) 70%,rgba(228,217,201,0) 100%);
}
.tl-item:last-child .tl-rail::before{display:none;}
.tl-dot{
  position:relative;z-index:1;width:46px;height:46px;border-radius:50%;
  background-image:var(--grad);color:#fff;
  display:grid;place-items:center;font-family:var(--serif);font-size:15px;font-weight:700;
  box-shadow:0 10px 20px rgba(138,75,36,.24);
}
.tl-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:26px 28px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#D8C9B4;}
.tl-card h3{font-size:21px;margin-bottom:10px;}
.tl-card>p{color:var(--muted);font-size:15px;}
.tl-list{margin-top:16px;display:grid;gap:9px;}
.tl-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--text);}
.tl-list li::before{
  content:"";position:absolute;left:0;top:.66em;width:7px;height:7px;border-radius:50%;
  background:var(--celadon);opacity:.85;
}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:500;color:var(--brand);
  background:#F6EDE1;border:1px solid var(--border);border-radius:999px;padding:5px 12px;
}
.tag--celadon{color:var(--celadon);background:var(--celadon-soft);border-color:#CFE0D6;}

/* ---------- risk grid ---------- */
.risk-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.risk-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.risk-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.risk-card .num{font-family:var(--serif);font-size:15px;font-weight:700;color:var(--accent);letter-spacing:.08em;}
.risk-card h3{font-size:18px;margin:10px 0 8px;}
.risk-card p{font-size:14px;color:var(--muted);}
.risk-card .fix{margin-top:14px;padding-top:14px;border-top:1px dashed var(--border);font-size:13.5px;color:var(--celadon);}

/* ---------- checklist split ---------- */
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:center;}
.split-figure{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-lg);}
.split-figure img{width:100%;height:340px;object-fit:cover;transition:transform .6s ease;}
.split-figure:hover img{transform:scale(1.03);}
.check-list{display:grid;gap:14px;margin-top:24px;}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-sm);
  padding:16px 18px;box-shadow:var(--shadow-sm);
}
.check-item .mark{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--celadon-soft);color:var(--celadon);
  display:grid;place-items:center;font-size:14px;font-weight:700;
}
.check-item strong{display:block;font-size:15px;font-weight:600;margin-bottom:4px;}
.check-item span{font-size:14px;color:var(--muted);}

/* ---------- notice strip ---------- */
.notice{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;justify-content:space-between;
  background:var(--celadon-soft);border:1px solid #CFE0D6;border-radius:var(--r-card);
  padding:20px 24px;
}
.notice p{font-size:14.5px;color:#3D564C;}
.notice .notice-link{font-size:14px;font-weight:500;color:var(--celadon);border-bottom:1px solid rgba(79,111,98,.4);padding-bottom:2px;}
.notice .notice-link:hover{color:var(--brand);border-color:var(--brand);}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item.is-open{border-color:var(--celadon);box-shadow:var(--shadow-sm);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;justify-content:space-between;
  background:none;border:0;padding:20px 24px;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.5;
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--paper);border:1px solid var(--border);color:var(--brand);
  display:grid;place-items:center;font-size:15px;line-height:1;transition:transform .28s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--celadon);color:#fff;border-color:var(--celadon);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a-inner{padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.85;}

/* ---------- cta ---------- */
.cta-shell{padding:0 0 78px;}
.cta-block{
  position:relative;overflow:hidden;
  background:var(--dark);border-radius:var(--r-lg);
  padding:52px 48px;display:grid;grid-template-columns:1.35fr .65fr;gap:36px;align-items:center;
  box-shadow:0 26px 54px rgba(43,33,28,.28);
}
.cta-block::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);
}
.cta-block h2{color:#FBF6EE;font-size:clamp(24px,2.6vw,32px);margin-bottom:14px;}
.cta-block p{color:#CBBCAE;font-size:15px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.cta-side{display:flex;justify-content:flex-end;}
.cta-badge{
  background-image:var(--grad);border-radius:20px;padding:22px 26px;color:#fff;text-align:left;
  box-shadow:0 16px 32px rgba(0,0,0,.22);min-width:190px;
}
.cta-badge b{display:block;font-family:var(--serif);font-size:34px;line-height:1.1;}
.cta-badge span{display:block;font-size:12.5px;margin-top:8px;opacity:.92;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#CBBCAE;padding:0 0 26px;position:relative;}
.site-footer::before{content:"";display:block;height:3px;background:var(--grad);}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding:56px 0 40px;
}
.footer-brand .logo{color:#FBF6EE;margin-bottom:14px;}
.footer-brand .logo-suffix{color:#9C8D80;}
.footer-brand p{font-size:14px;color:#A9998B;max-width:320px;}
.footer-domain{margin-top:16px;font-size:12px;letter-spacing:.08em;color:#7E7268;}
.footer-col h4{
  font-family:var(--sans);font-size:13px;font-weight:600;letter-spacing:.14em;color:#FBF6EE;margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:#A9998B;}
.footer-col a:hover{color:var(--wheat);}
.footer-contact li{font-size:13.5px;color:#A9998B;line-height:1.7;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.1);padding-top:22px;
  font-size:12.5px;color:#8A7D72;
}
.footer-bottom a{color:#CBBCAE;}
.footer-bottom a:hover{color:var(--wheat);}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero-grid{gap:36px;}
  .risk-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .nav-links{gap:14px;}
  .nav-search input{width:112px;}
}
@media (max-width:991px){
  .nav-links{
    position:fixed;top:0;right:0;z-index:90;
    width:min(330px,88vw);height:100vh;overflow-y:auto;
    background:var(--card);border-left:1px solid var(--border);
    flex-direction:column;align-items:stretch;gap:0;
    padding:84px 22px 26px;
    transform:translateX(106%);transition:transform .32s ease;
    box-shadow:-22px 0 48px rgba(74,44,24,.16);
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-link{padding:14px 4px;font-size:15px;color:var(--text);border-bottom:1px solid var(--border);}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--celadon);}
  .nav-toggle{display:flex;}
  .nav-search,.nav-right .btn-sm{display:none;}
  .drawer-search{display:flex;align-items:center;gap:8px;margin-top:22px;background:var(--paper);border:1px solid var(--border);border-radius:14px;padding:6px 8px 6px 14px;}
  .drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;padding:6px 0;color:var(--text);}
  .drawer-search button{display:grid;place-items:center;width:32px;height:32px;border:0;border-radius:10px;background:var(--celadon-soft);color:var(--celadon);}
  .drawer-cta{display:block;margin-top:auto;padding-top:24px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-figure img{height:300px;}
  .float-card{left:12px;bottom:-18px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split-figure img{height:280px;}
  .cta-block{grid-template-columns:1fr;padding:40px 32px;}
  .cta-side{justify-content:flex-start;}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .page-hero{padding:24px 0 46px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .tl-item{grid-template-columns:44px minmax(0,1fr);gap:14px;}
  .tl-dot{width:38px;height:38px;font-size:13px;}
  .tl-rail::before{top:40px;}
  .tl-card{padding:20px;}
  .risk-grid{grid-template-columns:1fr;}
  .faq-q{font-size:15px;padding:17px 18px;}
  .faq-a-inner{padding:0 18px 18px;}
  .cta-block{padding:32px 22px;}
  .cta-shell{padding-bottom:56px;}
  .footer-top{grid-template-columns:1fr;padding:42px 0 30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  .logo{font-size:18px;}
  .logo-suffix{font-size:11px;letter-spacing:.08em;}
  .hero-grid h1{font-size:29px;}
  .stat{padding:8px 14px;}
  .stat b{font-size:19px;}
  .stat span{font-size:11px;}
  .hero-figure img{height:230px;}
  .float-card{padding:11px 14px;}
  .float-card strong{font-size:14px;}
  .sec-head h2{font-size:23px;}
  .cta-badge{min-width:0;width:100%;}
}

/* roulang page: category6 */
:root{
  --brown:#8A4B24;
  --brown-h:#6E3A1B;
  --brown-a:#5A2F16;
  --celadon:#4F6F62;
  --celadon-l:#E6EFEA;
  --orange:#C4693C;
  --wheat:#E2A96A;
  --paper:#F8F3EA;
  --card:#FFFDF9;
  --ink:#2B211C;
  --text:#2A2320;
  --muted:#6B5D53;
  --line:#E4D9C9;
  --ok:#4F6F62;
  --warn:#B8642B;
  --disabled:#BFB3A6;
  --grad:linear-gradient(120deg,#8A4B24 0%,#C4693C 55%,#E2A96A 100%);
  --r-sm:10px;
  --r-btn:14px;
  --r-card:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(74,44,24,.07);
  --sh-h:0 16px 36px rgba(74,44,24,.12);
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
  --sans:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brown);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brown-h);}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;line-height:1.25;color:var(--ink);margin:0;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;font-size:14px;}
:focus-visible{outline:2px solid var(--celadon);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ header / nav ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 28px rgba(74,44,24,.10);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;height:64px;}
.nav-left{display:flex;align-items:center;gap:26px;flex:1 1 55%;min-width:0;}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:12px;flex:0 1 45%;min-width:0;}
.logo{
  font-family:var(--serif);font-size:20px;font-weight:700;letter-spacing:.02em;
  color:var(--ink);white-space:nowrap;display:inline-flex;align-items:center;
}
.logo:hover{color:var(--brown);}
.logo-suffix{
  margin-left:8px;font-family:var(--sans);font-size:11.5px;font-weight:500;
  color:var(--celadon);background:var(--celadon-l);
  padding:2px 8px;border-radius:var(--r-pill);letter-spacing:.04em;
}
.nav-links{display:flex;align-items:center;gap:18px;min-width:0;}
.nav-link{
  position:relative;font-size:14px;font-weight:500;color:var(--muted);
  padding:6px 0;white-space:nowrap;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:var(--celadon);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;transition:transform .25s ease;
}
.nav-link:hover,.nav-link:focus-visible{color:var(--brown);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-search{
  display:flex;align-items:center;gap:6px;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);padding:6px 8px 6px 14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search input{
  border:0;background:transparent;outline:none;width:132px;color:var(--text);
}
.nav-search input::placeholder{color:#A79887;}
.nav-search button{
  display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:50%;color:var(--brown);
  background:var(--paper);transition:background .2s ease,color .2s ease;
}
.nav-search button:hover{background:var(--brown);color:#fff;}
.nav-search:focus-within{border-color:var(--celadon);box-shadow:0 0 0 3px rgba(79,111,98,.14);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brown);border-radius:2px;transition:transform .25s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.drawer-search,.drawer-cta{display:none;}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--sans);font-size:15px;font-weight:500;
  padding:12px 24px;border-radius:var(--r-btn);
  border:1.5px solid transparent;cursor:pointer;text-align:center;
  transition:transform .2s ease,box-shadow .25s ease,background-position .35s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background-image:var(--grad);background-size:170% 170%;background-position:0% 50%;
  color:#fff;box-shadow:0 8px 20px rgba(138,75,36,.22);
}
.btn-primary:hover{color:#fff;transform:translateY(-1px);background-position:62% 50%;box-shadow:0 14px 30px rgba(138,75,36,.28);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(138,75,36,.22);}
.btn-ghost{background:transparent;border-color:var(--brown);color:var(--brown);}
.btn-ghost:hover{background:var(--paper);border-color:var(--brown-h);color:var(--brown-h);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:12px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{background:var(--disabled);background-image:none;color:#fff;cursor:not-allowed;box-shadow:none;transform:none;}

/* ============ page hero ============ */
.page-hero{
  position:relative;
  padding:56px 0 64px;
  background-image:
    linear-gradient(102deg,rgba(248,243,234,.97) 0%,rgba(248,243,234,.93) 52%,rgba(248,243,234,.74) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);margin-bottom:26px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brown);}
.breadcrumb .sep{color:#BFAF9C;}
.breadcrumb .current{color:var(--ink);font-weight:500;}
.hero-inner{max-width:840px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:500;letter-spacing:.06em;
  color:var(--celadon);background:var(--celadon-l);
  border-radius:var(--r-pill);padding:6px 14px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--celadon);}
.page-hero h1{font-size:clamp(34px,4.4vw,52px);letter-spacing:.01em;}
.hero-lead{
  margin-top:18px;font-size:17px;line-height:1.9;color:var(--muted);max-width:760px;
}
.badge-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.stat{
  display:flex;flex-direction:column;gap:0;
  padding:14px 22px;border-radius:var(--r-pill);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--sh);
}
.stat b{font-family:var(--serif);font-size:23px;line-height:1.2;color:var(--brown);font-weight:700;}
.stat span{font-size:12.5px;line-height:1.5;color:var(--muted);}
.stat.is-accent{
  background-image:var(--grad);border-color:transparent;
  box-shadow:0 12px 26px rgba(138,75,36,.24);
}
.stat.is-accent b,.stat.is-accent span{color:#fff;}

/* ============ sections ============ */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:clamp(26px,3vw,36px);}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.9;}
.section-head--row{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.link-text{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:500;color:var(--brown);
  position:relative;padding-bottom:2px;
}
.link-text::after{
  content:"";position:absolute;left:0;bottom:0;height:1.5px;width:100%;
  background:var(--brown);transform:scaleX(0);transform-origin:left center;transition:transform .28s ease;
}
.link-text:hover::after{transform:scaleX(1);}

/* ============ gallery wall ============ */
.gallery{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:24px;align-items:stretch;
}
.gcard{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.gcard:hover,.gcard:focus-within{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:#D8C9B2;}
.gcard-media{position:relative;flex:1 1 auto;min-height:150px;overflow:hidden;background-image:var(--grad);background-size:200% 200%;}
.gcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease;}
.gcard:hover .gcard-media img{transform:scale(1.03);}
.gcard-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(43,33,28,0) 42%,rgba(43,33,28,.42) 100%);
  pointer-events:none;
}
.gcard-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  font-size:12px;font-weight:500;color:#fff;
  background:rgba(43,33,28,.62);border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-pill);padding:4px 12px;backdrop-filter:blur(2px);
}
.gcard-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;}
.gcard-num{
  font-family:var(--serif);font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--celadon);
}
.gcard h3{font-size:19px;line-height:1.4;}
.gcard p{margin:0;font-size:14.5px;line-height:1.75;color:var(--muted);}
.gcard-link{
  margin-top:4px;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:500;color:var(--brown);
}
.gcard-link span{transition:transform .25s ease;display:inline-block;}
.gcard:hover .gcard-link span{transform:translateX(4px);}
.gcard--lead{grid-column:span 2;grid-row:span 2;}
.gcard--lead .gcard-media{min-height:280px;}
.gcard--lead .gcard-body{padding:26px 28px 28px;gap:12px;}
.gcard--lead h3{font-size:clamp(21px,2.2vw,25px);}
.gcard--lead p{font-size:15.5px;}
.gcard-list{margin-top:6px;display:flex;flex-direction:column;gap:10px;}
.gcard-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--text);line-height:1.7;
}
.gcard-list li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;
  border-radius:50%;background:var(--celadon);
}

/* ============ steps ============ */
.steps-band{
  background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.step{
  position:relative;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--sh);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(79,111,98,.45);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:14px;
  background-image:var(--grad);color:#fff;
  font-family:var(--serif);font-size:17px;font-weight:700;letter-spacing:.04em;
  margin-bottom:18px;box-shadow:0 8px 18px rgba(138,75,36,.22);
}
.step h3{font-size:20px;margin-bottom:10px;}
.step p{margin:0;font-size:14.5px;line-height:1.8;color:var(--muted);}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh);
  overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{box-shadow:var(--sh-h);}
.faq-item.is-open{border-color:rgba(79,111,98,.55);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;
  font-family:var(--serif);font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brown);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--paper);border:1px solid var(--line);
  font-family:var(--sans);font-size:16px;line-height:1;color:var(--brown);
  transition:transform .3s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.faq-item.is-open .faq-icon{background:var(--celadon);border-color:var(--celadon);color:#fff;transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .35s ease;
}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--muted);}

/* ============ CTA ============ */
.cta-section{padding:0 0 96px;}
.cta-box{
  position:relative;margin:0 24px;padding:56px 48px;
  background:var(--ink);border-radius:var(--r-lg);
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
  overflow:hidden;
}
.cta-box::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background-image:var(--grad);
}
.cta-box::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(226,169,106,.18),rgba(226,169,106,0) 70%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:620px;}
.cta-copy h2{color:#fff;font-size:clamp(24px,2.8vw,34px);}
.cta-copy p{margin:14px 0 0;color:#CFC2B4;font-size:15.5px;line-height:1.9;}
.cta-actions{position:relative;z-index:1;display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.cta-actions .btn-ghost{border-color:#E2A96A;color:#F3DFC6;}
.cta-actions .btn-ghost:hover{background:rgba(226,169,106,.14);color:#fff;border-color:#E2A96A;}
.cta-stat{
  display:flex;flex-direction:column;gap:2px;
  padding:14px 22px;border-radius:var(--r-pill);
  background-image:var(--grad);box-shadow:0 12px 26px rgba(0,0,0,.28);
}
.cta-stat b{font-family:var(--serif);font-size:22px;color:#fff;line-height:1.2;}
.cta-stat span{font-size:12.5px;color:rgba(255,255,255,.88);}

/* ============ footer ============ */
.site-footer{
  position:relative;background:var(--ink);color:#D6C9BB;
  padding:72px 0 0;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background-image:var(--grad);
}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:52px;
}
.footer-brand .logo{color:#fff;font-size:20px;}
.footer-brand .logo:hover{color:var(--wheat);}
.footer-brand .logo-suffix{background:rgba(226,169,106,.16);color:var(--wheat);}
.footer-brand p{
  margin:18px 0 0;font-size:14.5px;line-height:1.85;color:#B7A899;max-width:340px;
}
.footer-domain{
  margin-top:16px;font-size:12.5px;letter-spacing:.06em;color:#8C7C6D;
}
.footer-col h4{
  font-family:var(--sans);font-size:14px;font-weight:600;color:#fff;
  letter-spacing:.06em;margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:#B7A899;transition:color .2s ease;}
.footer-col a:hover{color:var(--wheat);}
.footer-contact li{font-size:13.5px;line-height:1.7;color:#A29486;}
.footer-bottom{
  border-top:1px solid rgba(226,169,106,.16);
  padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8C7C6D;
}
.footer-bottom a{color:#B7A899;}
.footer-bottom a:hover{color:var(--wheat);}

/* ============ responsive ============ */
@media (max-width:1199px){
  .nav-search{display:none;}
  .nav-links{gap:14px;}
  .nav-link{font-size:13.5px;}
  .gallery{gap:20px;}
}
@media (max-width:991px){
  .nav-right{gap:10px;}
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .nav-links{
    position:fixed;top:0;right:0;z-index:120;
    width:min(84vw,340px);height:100vh;
    background:var(--card);border-left:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;
    padding:84px 22px 28px;
    transform:translateX(103%);
    transition:transform .32s cubic-bezier(.4,0,.2,1);
    box-shadow:-14px 0 40px rgba(74,44,24,.16);
    overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-link{
    font-size:15px;padding:14px 0;border-bottom:1px solid var(--line);color:var(--text);
  }
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--brown);}
  .nav-link.is-active::before{
    content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
    background:var(--celadon);margin-right:9px;vertical-align:middle;
  }
  .drawer-search{
    display:flex;align-items:center;gap:8px;margin-top:22px;
    background:var(--paper);border:1px solid var(--line);
    border-radius:var(--r-btn);padding:8px 10px 8px 14px;
  }
  .drawer-search input{border:0;background:transparent;outline:none;flex:1;min-width:0;color:var(--text);}
  .drawer-search input::placeholder{color:#A79887;}
  .drawer-search button{
    display:inline-flex;align-items:center;justify-content:center;
    width:30px;height:30px;border-radius:9px;background:var(--brown);color:#fff;flex:0 0 auto;
  }
  .drawer-search:focus-within{border-color:var(--celadon);box-shadow:0 0 0 3px rgba(79,111,98,.14);}
  .drawer-cta{display:block;margin-top:auto;padding-top:24px;}
  .page-hero{padding:44px 0 52px;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .gallery{grid-template-columns:repeat(2,1fr);}
  .gcard--lead{grid-column:span 2;grid-row:auto;}
  .gcard--lead .gcard-media{min-height:240px;}
  .steps{grid-template-columns:1fr;gap:16px;}
  .cta-box{padding:44px 32px;gap:28px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .nav-wrap{height:56px;}
  .logo{font-size:18px;}
  .logo-suffix{font-size:11px;padding:2px 7px;}
  body{font-size:15px;}
  .page-hero{padding:34px 0 44px;}
  .hero-lead{font-size:15.5px;}
  .badge-row{gap:10px;margin-top:26px;}
  .stat{padding:11px 16px;}
  .stat b{font-size:20px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .section-head{margin-bottom:30px;}
  .gallery{grid-template-columns:1fr;gap:16px;}
  .gcard--lead{grid-column:span 1;}
  .gcard--lead .gcard-media{min-height:200px;}
  .gcard-media{min-height:170px;}
  .gcard--lead .gcard-body{padding:22px;}
  .btn{width:100%;}
  .nav-toggle{width:40px;height:40px;}
  .cta-section{padding:0 0 56px;}
  .cta-box{margin:0;border-radius:22px;padding:36px 22px;}
  .cta-actions{width:100%;}
  .cta-stat{width:100%;justify-content:center;align-items:center;text-align:center;}
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a-inner{padding:0 18px 20px;}
  .footer-top{grid-template-columns:1fr;gap:30px;padding-bottom:38px;}
  .site-footer{padding-top:56px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:480px){
  .page-hero h1{font-size:29px;}
  .section-head h2{font-size:23px;}
  .stat b{font-size:18px;}
  .stat span{font-size:11.5px;}
  .gcard h3{font-size:17.5px;}
  .gcard-list li{font-size:13.5px;}
  .cta-copy h2{font-size:22px;}
  .breadcrumb{font-size:12.5px;}
  .badge-row .stat{flex:1 1 42%;}
}