/* roulang page: index */
:root{
  --c-brand:#2E1A47;
  --c-brand-deep:#1B1029;
  --c-accent:#A8E63A;
  --c-accent-2:#FF6B3D;
  --c-bg:#FAF7F2;
  --c-bg-alt:#F1ECE4;
  --c-surface:#FFFFFF;
  --c-ink:#221C2C;
  --c-ink-2:#5F5769;
  --c-line:#E6E0D6;
  --font-base:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --font-num:"DIN Alternate","Inter",system-ui,sans-serif;
  --r-card:16px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(34,28,44,.06);
  --sh-2:0 10px 30px rgba(34,28,44,.08);
  --sh-3:0 18px 48px rgba(34,28,44,.12);
  --sec-pad:92px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  --bs-body-font-family:var(--font-base);
  --bs-body-color:var(--c-ink);
  --bs-link-color:var(--c-brand);
  --bs-link-hover-color:var(--c-accent-2);
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-brand);text-decoration:none;transition:color .25s ease,background-color .25s ease,box-shadow .25s ease,transform .25s ease,border-color .25s ease;}
a:hover{color:var(--c-accent-2);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;}
h1{font-size:clamp(28px,4vw,44px);line-height:1.25;}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;}
h3{font-size:19px;line-height:1.5;font-weight:600;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid #FF6B3D;outline-offset:2px;border-radius:4px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num-font{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.02em;}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  line-height:1.2;border:1px solid transparent;transition:all .25s ease;
}
.btn-main{background:var(--c-brand);color:#fff;box-shadow:var(--sh-1);}
.btn-main:hover{background:var(--c-accent-2);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-brand);border-color:#CFC6BC;}
.btn-ghost:hover{border-color:var(--c-brand);background:#fff;color:var(--c-brand);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-line:hover{background:var(--c-accent);color:var(--c-brand-deep);border-color:var(--c-accent);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);transition:box-shadow .3s ease;
}
.site-header.scrolled{box-shadow:var(--sh-2);}
.head-top{
  display:flex;align-items:center;gap:28px;
  padding-top:18px;padding-bottom:14px;
}
.logo{display:flex;flex-direction:column;gap:2px;flex:0 0 auto;}
.logo-mark{
  font-size:21px;font-weight:700;color:var(--c-brand);letter-spacing:.01em;line-height:1.25;
  display:inline-flex;align-items:center;gap:8px;
}
.logo-mark::before{
  content:"";width:10px;height:10px;border-radius:3px;
  background:var(--c-accent);display:inline-block;flex:0 0 auto;
}
.logo-sub{font-size:11px;letter-spacing:.12em;color:var(--c-ink-2);padding-left:18px;}
.search{
  flex:1 1 auto;max-width:560px;display:flex;align-items:center;position:relative;
  height:46px;border:1px solid var(--c-line);border-radius:var(--r-pill);
  background:#fff;padding-left:18px;transition:box-shadow .25s ease,border-color .25s ease;
}
.search:focus-within{border-color:var(--c-brand);box-shadow:var(--sh-2);}
.search svg{flex:0 0 auto;color:var(--c-ink-2);}
.search input{
  flex:1 1 auto;border:0;outline:none;background:transparent;height:100%;
  padding:0 12px;font-size:15px;color:var(--c-ink);font-family:inherit;
}
.search input::placeholder{color:#9A929F;}
.search button{
  flex:0 0 auto;width:84px;height:36px;margin-right:5px;border:0;border-radius:var(--r-pill);
  background:var(--c-brand);color:#fff;font-size:14px;font-weight:600;transition:all .25s ease;
}
.search button:hover{background:var(--c-accent-2);}
.search button:active{transform:scale(.97);}
.head-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto;}
.head-link{font-size:15px;color:var(--c-ink-2);font-weight:500;border-bottom:1px solid transparent;padding-bottom:2px;}
.head-link:hover{color:var(--c-accent-2);border-color:var(--c-accent-2);}
.search-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--r-pill);
  background:#fff;color:var(--c-brand);align-items:center;justify-content:center;
}
.head-nav{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding-bottom:0;
}
.nav-list{display:flex;align-items:center;gap:32px;}
.nav-item{
  position:relative;display:inline-block;padding:10px 0 14px;font-size:15px;
  color:var(--c-ink-2);font-weight:500;
}
.nav-item::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-accent-2);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-item:hover{color:var(--c-brand);}
.nav-item:hover::after{transform:scaleX(1);}
.nav-item.is-active{color:var(--c-brand);font-weight:600;}
.nav-item.is-active::after{transform:scaleX(1);}
.nav-tags{display:flex;align-items:center;gap:10px;padding-bottom:8px;}
.tag-pill{
  font-size:12px;line-height:1.6;padding:3px 12px;border-radius:var(--r-pill);
  background:var(--c-bg-alt);color:var(--c-ink-2);border:1px solid var(--c-line);
}
.tag-pill:hover{background:var(--c-accent);color:var(--c-brand-deep);border-color:var(--c-accent);}

/* ---------- Hero ---------- */
.hero{position:relative;padding:72px 0 84px;background:var(--c-bg);overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(46,26,71,.035) 0 1px,transparent 1px 9px);
  opacity:.9;
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:7fr 5fr;
  gap:48px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-accent);color:var(--c-brand-deep);
  font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:5px 14px;border-radius:var(--r-pill);margin-bottom:20px;
}
.hero h1{margin-bottom:18px;color:var(--c-brand);}
.hero-sub{font-size:17px;line-height:1.8;color:var(--c-ink-2);max-width:520px;margin-bottom:28px;}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;}
.mini{display:flex;flex-direction:column;gap:2px;}
.mini .num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.02em;font-size:28px;font-weight:700;color:var(--c-brand);line-height:1.2;}
.mini .lbl{font-size:12px;color:var(--c-ink-2);line-height:1.6;}
.hero-media{position:relative;}
.hero-img{
  border-radius:18px;overflow:hidden;box-shadow:var(--sh-3);aspect-ratio:16/10;background:var(--c-bg-alt);
}
.hero-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.hero-img:hover img{transform:scale(1.03);}
.hero-kpi{
  position:absolute;right:-8px;bottom:-24px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:14px;padding:20px 24px;
  box-shadow:var(--sh-2);display:flex;flex-direction:column;gap:2px;max-width:220px;
}
.kpi-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.02em;font-size:32px;font-weight:700;color:var(--c-brand);line-height:1.1;}
.kpi-txt{font-size:12px;color:var(--c-ink-2);line-height:1.6;}

/* ---------- 指标看板 ---------- */
.metrics{background:var(--c-brand);padding:72px 0;color:#fff;}
.metrics-title{font-size:18px;font-weight:500;color:rgba(255,255,255,.78);margin-bottom:34px;line-height:1.6;}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.metric{padding:0 26px;border-left:1px solid rgba(255,255,255,.12);}
.metric:first-child{border-left:0;padding-left:0;}
.metric-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
  font-size:clamp(40px,4vw,56px);font-weight:700;color:var(--c-accent);line-height:1.05;
  display:flex;align-items:baseline;gap:6px;
}
.metric-num .unit{font-size:15px;font-weight:500;color:rgba(255,255,255,.72);font-family:var(--font-base);letter-spacing:0;}
.metric-label{font-size:14px;color:rgba(255,255,255,.7);margin-top:8px;line-height:1.6;}
.metric-badge{
  display:inline-block;margin-top:14px;font-size:12px;line-height:1.6;
  padding:2px 10px;border-radius:var(--r-pill);background:rgba(168,230,58,.16);
  color:var(--c-accent);
}
.metric-badge.alt{background:rgba(255,107,61,.16);color:#FFB39A;}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sec-pad) 0;}
.section-alt{background:var(--c-bg-alt);padding:var(--sec-pad) 0;}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head .kicker{
  display:inline-block;font-size:12px;letter-spacing:.08em;color:var(--c-accent-2);
  font-weight:600;margin-bottom:12px;
}
.section-head h2{margin-bottom:14px;color:var(--c-brand);}
.section-head p{color:var(--c-ink-2);font-size:15px;line-height:1.85;margin:0;}

/* ---------- 服务矩阵 ---------- */
.svc-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch;}
.svc-main{
  position:relative;display:block;border-radius:var(--r-card);overflow:hidden;
  min-height:380px;box-shadow:var(--sh-1);border:1px solid var(--c-line);background:var(--c-brand);
}
.svc-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.svc-main:hover img{transform:scale(1.03);}
.svc-main::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(27,16,41,0) 30%,rgba(27,16,41,.86) 100%);
}
.svc-main-body{position:absolute;left:0;right:0;bottom:0;padding:28px;z-index:2;color:#fff;}
.svc-main-body .svc-tag{
  display:inline-block;font-size:12px;padding:3px 12px;border-radius:var(--r-pill);
  background:rgba(168,230,58,.9);color:var(--c-brand-deep);font-weight:600;margin-bottom:12px;
}
.svc-main-body h3{color:#fff;font-size:22px;margin-bottom:8px;}
.svc-main-body p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.82);margin:0;max-width:92%;}
.svc-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.svc-small{
  display:flex;flex-direction:column;justify-content:center;gap:8px;
  background:var(--c-surface);border:1px solid var(--c-line);border-left:4px solid var(--c-accent);
  border-radius:var(--r-card);padding:24px 26px;box-shadow:var(--sh-1);
}
.svc-small:hover{transform:translateY(-3px);box-shadow:var(--sh-2);color:var(--c-brand);}
.svc-small h3{font-size:18px;color:var(--c-brand);}
.svc-small p{font-size:14px;line-height:1.8;color:var(--c-ink-2);margin:0;}
.svc-rows{
  grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  border-top:1px solid var(--c-line);padding-top:8px;margin-top:8px;
}
.svc-row{
  display:flex;align-items:flex-start;gap:14px;padding:20px 4px;
  border-bottom:1px solid var(--c-line);
}
.svc-row:hover{color:var(--c-brand);}
.svc-ico{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;background:var(--c-bg-alt);
  display:flex;align-items:center;justify-content:center;color:var(--c-brand);
  transition:background-color .25s ease,color .25s ease;
}
.svc-row:hover .svc-ico{background:var(--c-accent);color:var(--c-brand-deep);}
.svc-row-txt{flex:1 1 auto;}
.svc-row-txt h4{font-size:16px;font-weight:600;color:var(--c-brand);margin-bottom:4px;}
.svc-row-txt p{font-size:13px;line-height:1.7;color:var(--c-ink-2);margin:0;}
.svc-arrow{flex:0 0 auto;color:var(--c-ink-2);transition:transform .25s ease,color .25s ease;margin-top:6px;}
.svc-row:hover .svc-arrow{transform:translateX(4px);color:var(--c-accent-2);}

/* ---------- 结果对比 ---------- */
.cmp-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.cmp-legend{display:flex;align-items:center;gap:22px;font-size:13px;color:var(--c-ink-2);}
.legend-dot{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:7px;}
.dot-old{background:#D8D2C8;}
.dot-new{background:linear-gradient(90deg,var(--c-accent),var(--c-accent-2));}
.cmp-arrow{
  width:56px;height:56px;border-radius:50%;background:var(--c-accent);color:var(--c-brand-deep);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:var(--sh-1);border:0;
}
.cmp-arrow:hover{background:var(--c-accent-2);color:#fff;transform:rotate(90deg);}
.cmp-table{border-top:1px solid var(--c-line);}
.cmp-row{
  display:grid;grid-template-columns:220px 1fr 140px;gap:28px;align-items:center;
  padding:22px 0;border-bottom:1px solid var(--c-line);
}
.cmp-name{font-size:14px;font-weight:600;color:var(--c-ink);line-height:1.6;}
.cmp-bars{display:flex;flex-direction:column;gap:8px;}
.bar{height:9px;border-radius:var(--r-pill);background:#E9E3D9;overflow:hidden;}
.bar span{display:block;height:100%;border-radius:var(--r-pill);}
.bar-old span{background:#D8D2C8;}
.bar-new span{background:linear-gradient(90deg,var(--c-accent),var(--c-accent-2));}
.cmp-val{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.02em;font-size:14px;color:var(--c-ink-2);text-align:right;line-height:1.6;}
.cmp-val strong{display:block;color:var(--c-brand);font-size:17px;}
.cmp-note{font-size:12px;color:#8C8592;margin-top:20px;line-height:1.7;}

/* ---------- 最新信息 ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.news-more{font-size:15px;font-weight:600;color:var(--c-brand);display:inline-flex;align-items:center;gap:6px;}
.news-more:hover{color:var(--c-accent-2);gap:10px;}
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:28px;}
.news-card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);color:inherit;
  transition:transform .3s ease,box-shadow .3s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);color:inherit;}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-alt);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-cat{
  position:absolute;top:12px;right:12px;background:var(--c-brand);color:#fff;
  font-size:12px;line-height:1.6;padding:2px 12px;border-radius:var(--r-pill);
}
.news-body{padding:20px 22px 18px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.news-title{
  font-size:17px;font-weight:600;line-height:1.6;color:var(--c-brand);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-desc{
  font-size:14px;line-height:1.8;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;gap:10px;font-size:13px;color:#8C8592;
  border-top:1px solid var(--c-line);padding-top:12px;margin-top:auto;
}
.news-meta .dot{width:4px;height:4px;border-radius:50%;background:#C9C1B6;}
.news-meta .go{margin-left:auto;color:var(--c-brand);display:inline-flex;align-items:center;gap:4px;}
.news-card:hover .news-meta .go{color:var(--c-accent-2);}
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;background:var(--c-surface);border:1px dashed #D6CFC4;border-radius:var(--r-card);
  padding:40px 24px;text-align:center;color:var(--c-ink-2);font-size:14px;
}
.empty-state svg{color:#BFB7AB;}
.empty-state .btn-ghost{padding:10px 22px;font-size:14px;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start;}
.accordion{--bs-accordion-border-width:0;--bs-accordion-btn-focus-box-shadow:none;}
.accordion-item{
  border:1px solid var(--c-line);border-radius:14px !important;background:var(--c-surface);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .25s ease,transform .25s ease;
}
.accordion-item:hover{box-shadow:var(--sh-2);}
.accordion-button{
  display:flex;align-items:center;gap:14px;width:100%;
  background:transparent;color:var(--c-ink);font-size:16px;font-weight:600;
  padding:20px 22px;border:0;box-shadow:none !important;
  font-family:var(--font-base);line-height:1.6;text-align:left;
}
.accordion-button:not(.collapsed){color:var(--c-brand);background:transparent;}
.accordion-button::after{display:none;}
.acc-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.02em;color:#B4AC9F;font-size:15px;flex:0 0 auto;}
.acc-plus{
  margin-left:auto;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--c-bg-alt);color:var(--c-brand);display:flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;transition:transform .3s ease,background-color .3s ease,color .3s ease;
}
.accordion-button:not(.collapsed) .acc-plus{transform:rotate(45deg);background:var(--c-accent);color:var(--c-brand-deep);}
.accordion-body{padding:0 22px 22px 51px;font-size:15px;line-height:1.85;color:var(--c-ink-2);}
.faq-aside{
  background:var(--c-brand);color:#fff;border-radius:var(--r-card);padding:30px 26px;
  box-shadow:var(--sh-2);position:sticky;top:140px;
}
.faq-aside h3{color:#fff;font-size:18px;margin-bottom:10px;}
.faq-aside p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.75);margin-bottom:20px;}
.faq-aside .btn-main{background:var(--c-accent);color:var(--c-brand-deep);width:100%;justify-content:center;}
.faq-aside .btn-main:hover{background:var(--c-accent-2);color:#fff;}

/* ---------- 咨询表单 ---------- */
.consult{background:var(--c-brand-deep);padding:var(--sec-pad) 0;color:#fff;}
.consult-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:start;}
.consult h2{color:#fff;margin-bottom:18px;}
.consult-lead{font-size:15px;line-height:1.85;color:rgba(255,255,255,.72);margin-bottom:28px;}
.consult-points{display:flex;flex-direction:column;gap:16px;margin-bottom:30px;}
.consult-points li{display:flex;align-items:flex-start;gap:12px;font-size:15px;line-height:1.75;color:rgba(255,255,255,.86);}
.check{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--c-accent);
  color:var(--c-brand-deep);display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.consult-contact{font-size:14px;color:rgba(255,255,255,.6);border-top:1px solid rgba(255,255,255,.12);padding-top:18px;}
.form-card{background:var(--c-surface);border-radius:18px;padding:32px;box-shadow:var(--sh-3);color:var(--c-ink);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--c-ink-2);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;height:46px;border:1px solid var(--c-line);border-radius:var(--r-input);
  background:#FDFCFA;padding:0 14px;font-size:15px;font-family:inherit;color:var(--c-ink);
  outline:none;transition:border-color .25s ease,box-shadow .25s ease,background-color .25s ease;
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.8;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-brand);background:#fff;box-shadow:0 0 0 3px rgba(46,26,71,.08);
}
.btn-submit{
  width:100%;height:50px;border:0;border-radius:var(--r-btn);background:var(--c-accent-2);
  color:#fff;font-size:16px;font-weight:600;transition:all .25s ease;
}
.btn-submit:hover{background:#EF5A2B;transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,107,61,.28);}
.btn-submit:active{transform:translateY(0);}
.form-tip{font-size:12px;color:#8C8592;line-height:1.7;margin-top:12px;}
.form-msg{font-size:13px;color:#2E7D32;margin-top:10px;min-height:18px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#1B1029;color:rgba(255,255,255,.72);padding:64px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.foot-brand .logo-mark{color:#fff;font-size:20px;}
.foot-brand .logo-sub{color:rgba(255,255,255,.5);padding-left:18px;}
.foot-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin:16px 0 14px;max-width:320px;}
.foot-domain{font-size:13px;color:var(--c-accent);letter-spacing:.02em;}
.foot-domain:hover{color:#fff;}
.foot-col h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:16px;letter-spacing:.02em;}
.foot-col ul{display:flex;flex-direction:column;gap:11px;}
.foot-col a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:all .25s ease;}
.foot-col a:hover{color:var(--c-accent);transform:translateX(2px);}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.to-top{
  display:inline-flex;align-items:center;gap:6px;border:1px solid rgba(255,255,255,.22);
  background:transparent;color:rgba(255,255,255,.78);font-size:13px;
  padding:8px 16px;border-radius:var(--r-pill);transition:all .25s ease;
}
.to-top:hover{background:var(--c-accent);color:var(--c-brand-deep);border-color:var(--c-accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sec-pad:80px;}
  .head-top{gap:20px;}
  .nav-list{gap:24px;}
  .hero-grid{gap:36px;}
}
@media (max-width:991px){
  :root{--sec-pad:64px;}
  .head-nav{display:none;}
  .head-actions{display:none;}
  .search{max-width:none;display:none;}
  .search-toggle{display:inline-flex;margin-left:auto;}
  .site-header.search-open .search{
    display:flex;position:absolute;left:0;right:0;top:100%;max-width:none;
    border-radius:0;border-left:0;border-right:0;border-top:1px solid var(--c-line);
    padding:10px 18px;height:66px;box-shadow:var(--sh-2);background:#fff;
  }
  .site-header.search-open .search input{height:44px;}
  .hero{padding:52px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-sub{max-width:none;}
  .hero-kpi{right:12px;bottom:-20px;}
  .metric-grid{grid-template-columns:repeat(2,1fr);gap:34px 0;}
  .metric{padding:0 22px;}
  .metric:nth-child(odd){border-left:0;padding-left:0;}
  .svc-grid{grid-template-columns:1fr;}
  .svc-rows{grid-template-columns:1fr;}
  .cmp-row{grid-template-columns:1fr;gap:14px;}
  .cmp-val{text-align:left;}
  .faq-layout{grid-template-columns:1fr;}
  .faq-aside{position:static;}
  .consult-grid{grid-template-columns:1fr;gap:36px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  :root{--sec-pad:48px;}
  .wrap{padding:0 18px;}
  .logo-mark{font-size:18px;}
  .logo-sub{font-size:10px;letter-spacing:.1em;padding-left:16px;}
  .hero-stats{gap:22px;}
  .mini .num{font-size:24px;}
  .hero-kpi{padding:16px 18px;max-width:190px;right:8px;}
  .kpi-num{font-size:26px;}
  .metric-grid{grid-template-columns:1fr;gap:26px;}
  .metric{padding:0 0 22px;border-left:0;border-bottom:1px solid rgba(255,255,255,.12);}
  .metric:last-child{border-bottom:0;padding-bottom:0;}
  .svc-main{min-height:240px;}
  .svc-main-body{padding:22px;}
  .svc-main-body h3{font-size:19px;}
  .cmp-head{flex-direction:column;align-items:flex-start;}
  .news-grid{grid-template-columns:1fr;}
  .form-card{padding:24px 20px;}
  .accordion-body{padding-left:22px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .hero-btns{gap:12px;}
  .btn-main,.btn-ghost{padding:12px 22px;font-size:14px;}
}
@media (max-width:519px){
  .search-toggle{width:40px;height:40px;}
  .hero-img{aspect-ratio:4/3;}
  .news-meta{flex-wrap:wrap;}
  .section-head{margin-bottom:32px;}
  .hero h1{font-size:26px;}
}

/* roulang page: article */
:root{
  --c-brand:#2E1A47;
  --c-brand-deep:#1B1029;
  --c-accent:#A8E63A;
  --c-accent-2:#FF6B3D;
  --c-bg:#FAF7F2;
  --c-bg-alt:#F1ECE4;
  --c-surface:#FFFFFF;
  --c-ink:#221C2C;
  --c-ink-2:#5F5769;
  --c-line:#E6E0D6;
  --sh-1:0 1px 2px rgba(34,28,44,.06);
  --sh-2:0 10px 30px rgba(34,28,44,.08);
  --sh-3:0 18px 48px rgba(34,28,44,.12);
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Inter",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease,text-decoration-color .2s ease;}
a:hover{color:var(--c-accent-2);text-decoration:underline;text-underline-offset:3px;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-accent-2);
  outline-offset:2px;
  border-radius:6px;
}
button{font-family:inherit;}
h1,h2,h3,h4,h5{font-family:var(--font-cn);color:var(--c-ink);margin:0;font-weight:700;}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.1em;padding-left:1.4em;}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.head-top{
  display:flex;align-items:center;gap:24px;
  padding-top:14px;padding-bottom:12px;
}
.logo{display:flex;flex-direction:column;gap:2px;flex-shrink:0;}
.logo-mark{
  font-size:20px;font-weight:700;color:var(--c-brand);letter-spacing:.01em;line-height:1.25;
}
.logo-sub{
  font-size:11px;letter-spacing:.12em;color:var(--c-ink-2);font-family:var(--font-num);line-height:1.3;
}
.logo:hover .logo-mark{color:var(--c-brand);}
.search{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;max-width:560px;height:46px;
  background:#fff;border:1px solid var(--c-line);border-radius:999px;
  padding-left:44px;padding-right:4px;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.search svg{position:absolute;left:16px;color:#9A93A6;pointer-events:none;}
.search input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;
  font-size:14px;color:var(--c-ink);outline:none;
}
.search input::placeholder{color:#9A93A6;}
.search button{
  flex:0 0 auto;height:38px;padding:0 18px;border:0;border-radius:999px;
  background:var(--c-brand);color:#fff;font-size:14px;cursor:pointer;
  transition:background .2s ease,transform .15s ease;
}
.search button:hover{background:var(--c-accent-2);}
.search button:active{transform:scale(.97);}
.search:focus-within{border-color:var(--c-brand);box-shadow:var(--sh-2),0 0 0 1px var(--c-brand);}
.head-actions{display:flex;align-items:center;gap:18px;margin-left:auto;flex-shrink:0;}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--c-brand);color:#fff;font-size:14px;font-weight:600;
  transition:background .2s ease,transform .15s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--c-accent-2);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-main:active{transform:translateY(0);}
.head-link{font-size:14px;color:var(--c-ink-2);border-bottom:1px solid transparent;padding-bottom:2px;}
.head-link:hover{color:var(--c-accent-2);border-bottom-color:var(--c-accent-2);text-decoration:none;}
.search-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:50%;
  background:#fff;border:1px solid var(--c-line);color:var(--c-brand);
  cursor:pointer;margin-left:auto;
}
.search-toggle:hover{border-color:var(--c-brand);}
.head-nav{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding-bottom:10px;
}
.nav-list{display:flex;align-items:center;gap:32px;flex-wrap:wrap;}
.nav-item{
  position:relative;font-size:15px;color:var(--c-ink-2);padding:6px 0 10px;
  transition:color .2s ease;
}
.nav-item::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--c-accent-2);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-item:hover{color:var(--c-brand);text-decoration:none;}
.nav-item:hover::after{transform:scaleX(1);}
.nav-item.is-active{color:var(--c-brand);font-weight:600;}
.nav-item.is-active::after{transform:scaleX(1);}
.nav-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.tag-pill{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  font-size:12px;border-radius:999px;background:var(--c-bg-alt);
  color:var(--c-ink-2);border:1px solid var(--c-line);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.tag-pill:hover{background:var(--c-accent);color:#221C2C;border-color:var(--c-accent);text-decoration:none;}

/* ============ breadcrumb ============ */
.breadcrumb-bar{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--c-ink-2);min-height:48px;padding-top:16px;
}
.breadcrumb-bar a{color:var(--c-ink-2);}
.breadcrumb-bar a:hover{color:var(--c-accent-2);}
.breadcrumb-bar .sep{color:#BDB6C6;}
.breadcrumb-bar .current{color:var(--c-ink);font-weight:600;}

/* ============ article hero ============ */
.article-hero{
  background:var(--c-bg);
  padding-bottom:8px;
  border-bottom:1px solid var(--c-line);
}
.article-hero h1{
  font-size:clamp(24px,3.2vw,34px);
  line-height:1.35;
  letter-spacing:-.01em;
  margin:6px 0 16px;
  max-width:920px;
}
.meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  font-size:13px;color:var(--c-ink-2);
  padding-bottom:24px;
}
.badge-cat{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:999px;background:var(--c-brand);color:#fff;
  font-size:12px;letter-spacing:.02em;
}
.meta-row .dot{color:#BDB6C6;}

/* ============ layout ============ */
.article-section{padding:44px 0 72px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 330px;
  gap:48px;
  align-items:start;
}
.article-main{min-width:0;}
.article-side{min-width:0;}

/* ============ article body ============ */
.article-body{font-size:16px;line-height:1.9;color:var(--c-ink);}
.article-body p{margin:0 0 18px;}
.article-body h2{
  position:relative;
  font-size:clamp(20px,2.3vw,26px);
  line-height:1.4;
  margin:40px 0 16px;
  padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;
  border-radius:2px;background:var(--c-accent);
}
.article-body h3{
  font-size:18px;line-height:1.5;margin:28px 0 12px;color:var(--c-brand);
}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 18px;}
.article-body li{margin-bottom:8px;line-height:1.85;}
.article-body blockquote{
  margin:24px 0;padding:20px 24px;
  border-left:4px solid var(--c-accent-2);
  background:var(--c-bg-alt);
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--c-ink);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:24px auto;box-shadow:var(--sh-1);}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  font-size:13px;color:var(--c-ink-2);text-align:center;margin-top:8px;
}
.article-body a{color:var(--c-brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{color:var(--c-accent-2);}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--c-line);border-radius:var(--r-img);overflow:hidden;
}
.article-body th,.article-body td{
  border:1px solid var(--c-line);padding:12px 14px;text-align:left;line-height:1.7;
}
.article-body th{background:var(--c-bg-alt);font-weight:600;color:var(--c-brand);}
.article-body code{
  background:var(--c-bg-alt);padding:2px 6px;border-radius:6px;font-size:14px;
}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0;}

.tag-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  margin-top:36px;padding-top:24px;border-top:1px solid var(--c-line);
}
.tag-row .tag-pill{height:28px;font-size:13px;}
.article-foot-actions{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:26px;
}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  border:1px solid var(--c-brand);color:var(--c-brand);background:transparent;
  font-size:14px;font-weight:600;
  transition:background .2s ease,color .2s ease,transform .15s ease;
}
.btn-outline:hover{background:var(--c-brand);color:#fff;text-decoration:none;transform:translateY(-1px);}
.share-hint{font-size:13px;color:var(--c-ink-2);}

/* empty state */
.empty-state{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:48px 32px;text-align:center;
  box-shadow:var(--sh-1);
}
.empty-state h2{font-size:20px;margin-bottom:12px;}
.empty-state p{color:var(--c-ink-2);font-size:15px;max-width:520px;margin:0 auto 20px;}

/* ============ sidebar ============ */
.article-side .side-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);
  margin-bottom:20px;
}
.sticky-zone{position:sticky;top:116px;}
.side-title{
  font-size:15px;font-weight:600;color:var(--c-brand);
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.side-title::before{
  content:"";width:6px;height:6px;background:var(--c-accent);border-radius:2px;
}
.toc{display:flex;flex-direction:column;gap:2px;}
.toc-link{
  display:block;font-size:14px;color:var(--c-ink-2);line-height:1.6;
  padding:7px 10px;border-left:3px solid transparent;border-radius:0 6px 6px 0;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.toc-link:hover{color:var(--c-brand);background:var(--c-bg-alt);border-left-color:var(--c-accent);text-decoration:none;}
.toc-link.toc-sub{padding-left:22px;font-size:13px;}
.toc-empty{font-size:13px;color:var(--c-ink-2);margin:0;}
.hot-list{list-style:none;margin:0;padding:0;}
.hot-list li{border-bottom:1px solid var(--c-line);}
.hot-list li:last-child{border-bottom:0;}
.hot-list a{
  display:block;padding:11px 0;font-size:14px;line-height:1.6;color:var(--c-ink);
  transition:color .2s ease,padding-left .2s ease;
}
.hot-list a:hover{color:var(--c-accent-2);padding-left:4px;text-decoration:none;}
.cta-card{
  background:var(--c-brand);border-radius:var(--r-card);padding:24px;
  color:#fff;box-shadow:var(--sh-2);
}
.cta-card h3{color:#fff;font-size:17px;line-height:1.5;margin-bottom:10px;}
.cta-card p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.72);margin-bottom:16px;}
.cta-card .btn-cta{
  display:inline-flex;align-items:center;justify-content:center;width:100%;
  height:42px;border-radius:var(--r-btn);background:var(--c-accent);color:#221C2C;
  font-size:14px;font-weight:600;
  transition:background .2s ease,transform .15s ease;
}
.cta-card .btn-cta:hover{background:var(--c-accent-2);color:#fff;text-decoration:none;transform:translateY(-1px);}

/* ============ related ============ */
.related-section{background:var(--c-bg-alt);padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;}
.section-head p{color:var(--c-ink-2);font-size:15px;margin:8px 0 0;max-width:620px;}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D9D1C3;text-decoration:none;}
.rel-thumb{aspect-ratio:4/3;overflow:hidden;background:var(--c-bg-alt);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-body{padding:18px 20px 22px;}
.rel-tag{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;
  border-radius:999px;background:var(--c-bg-alt);color:var(--c-brand);
  font-size:12px;margin-bottom:10px;
}
.rel-body h3{font-size:16px;line-height:1.55;margin-bottom:8px;color:var(--c-ink);}
.rel-body p{font-size:14px;line-height:1.75;color:var(--c-ink-2);margin:0;}

/* ============ faq ============ */
.faq-section{padding:72px 0;background:var(--c-bg);}
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:14px;margin-bottom:12px;overflow:hidden;
  box-shadow:var(--sh-1);transition:box-shadow .2s ease;
}
.accordion-item:hover{box-shadow:var(--sh-2);}
.accordion-button{
  display:flex;align-items:center;gap:14px;
  font-size:16px;font-weight:600;color:var(--c-ink);
  background:var(--c-surface);box-shadow:none;
  padding:18px 52px 18px 20px;line-height:1.6;
}
.accordion-button:not(.collapsed){
  color:var(--c-brand);background:#F8F4EC;box-shadow:none;
}
.accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-button::after{
  background-image:none;width:14px;height:14px;
  border-right:2px solid #9A93A6;border-bottom:2px solid #9A93A6;
  transform:rotate(45deg);margin-left:auto;transition:transform .25s ease,border-color .25s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--c-brand);}
.faq-num{font-family:var(--font-num);font-size:14px;color:#9A93A6;flex:0 0 auto;letter-spacing:-.02em;}
.faq-q{flex:1 1 auto;min-width:0;}
.accordion-body{
  font-size:15px;line-height:1.85;color:var(--c-ink-2);
  padding:4px 20px 20px;background:var(--c-surface);
}

/* ============ consult band ============ */
.consult-band{background:var(--c-brand-deep);padding:72px 0;color:#fff;}
.consult-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.consult-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.4;margin-bottom:14px;}
.consult-band p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.85;margin-bottom:20px;}
.consult-points{list-style:none;padding:0;margin:0 0 20px;}
.consult-points li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:rgba(255,255,255,.86);line-height:1.8;margin-bottom:10px;
}
.consult-points li::before{
  content:"";flex:0 0 auto;width:16px;height:16px;margin-top:4px;border-radius:50%;
  background:var(--c-accent);
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23221C2C' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><path d='M20 6L9 17l-5-5'/></svg>");
  background-size:12px 12px;background-position:center;background-repeat:no-repeat;
}
.consult-mail{font-size:14px;color:rgba(255,255,255,.72);}
.consult-card{
  background:var(--c-surface);border-radius:18px;padding:30px;
  box-shadow:var(--sh-3);
}
.consult-card h3{font-size:17px;color:var(--c-brand);margin-bottom:6px;}
.consult-card .form-tip{font-size:13px;color:var(--c-ink-2);margin-bottom:18px;}
.form-field{margin-bottom:16px;}
.form-field label{display:block;font-size:13px;color:var(--c-ink-2);margin-bottom:6px;}
.form-field input,.form-field select,.form-field textarea{
  width:100%;height:46px;padding:0 14px;font-size:14px;color:var(--c-ink);
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-btn);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-field textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical;}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  border-color:var(--c-brand);box-shadow:0 0 0 1px var(--c-brand);outline:none;
}
.form-submit{
  width:100%;height:48px;border:0;border-radius:var(--r-btn);
  background:var(--c-accent-2);color:#fff;font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s ease,transform .15s ease,box-shadow .2s ease;
}
.form-submit:hover{background:#E85B2D;transform:translateY(-1px);box-shadow:var(--sh-2);}
.form-submit:active{transform:translateY(0);}

/* ============ footer ============ */
.site-footer{background:var(--c-brand-deep);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14px;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.foot-brand .logo-mark{color:#fff;font-size:19px;}
.foot-brand .logo-sub{color:rgba(255,255,255,.5);display:block;margin-top:4px;}
.foot-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin:16px 0 14px;max-width:340px;}
.foot-domain{
  display:inline-block;font-family:var(--font-num);font-size:13px;
  color:var(--c-accent);border-bottom:1px solid rgba(168,230,58,.4);padding-bottom:2px;
}
.foot-domain:hover{color:var(--c-accent);text-decoration:none;border-bottom-color:var(--c-accent);}
.foot-col h4{
  font-size:14px;color:#fff;margin-bottom:16px;font-weight:600;letter-spacing:.02em;
}
.foot-col ul{list-style:none;margin:0;padding:0;}
.foot-col li{margin-bottom:10px;}
.foot-col a{
  font-size:14px;color:rgba(255,255,255,.72);display:inline-block;
  transition:color .2s ease,transform .2s ease;
}
.foot-col a:hover{color:var(--c-accent);text-decoration:none;transform:translateX(2px);}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 26px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.56);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 16px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  color:rgba(255,255,255,.82);font-size:13px;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.to-top:hover{background:var(--c-accent);color:#221C2C;border-color:var(--c-accent);}

/* ============ responsive ============ */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:36px;}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;}
}
@media (max-width:991px){
  .head-top{gap:16px;flex-wrap:wrap;}
  .search{display:none;}
  .search-toggle{display:inline-flex;}
  .head-nav{display:none;}
  .site-header.search-open .search{
    display:flex;position:absolute;left:18px;right:18px;top:66px;
    max-width:none;z-index:8;box-shadow:var(--sh-2);background:#fff;
  }
  .head-actions{gap:12px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .sticky-zone{position:static;}
  .article-side{order:2;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .consult-inner{grid-template-columns:1fr;gap:32px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .foot-brand{grid-column:1 / -1;}
}
@media (max-width:767px){
  .wrap{padding:0 18px;}
  .logo-mark{font-size:18px;}
  .head-actions .head-link{display:none;}
  .btn-main{height:40px;padding:0 16px;font-size:13px;}
  .article-hero h1{font-size:23px;}
  .meta-row{font-size:12px;gap:8px;}
  .article-section{padding:32px 0 56px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{margin-top:32px;padding-left:14px;}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .related-section,.faq-section,.consult-band{padding:52px 0;}
  .consult-card{padding:22px;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .foot-bottom{font-size:12px;}
}
@media (max-width:520px){
  .head-actions{width:100%;justify-content:space-between;margin-left:0;}
  .search-toggle{margin-left:0;}
  .article-hero h1{font-size:21px;}
  .section-head h2{font-size:21px;}
  .accordion-button{font-size:15px;padding:16px 44px 16px 16px;gap:10px;}
  .accordion-body{font-size:14px;padding:4px 16px 18px;}
}

/* roulang page: category1 */
:root{
  --c-brand:#2E1A47;
  --c-brand-deep:#1B1029;
  --c-accent:#A8E63A;
  --c-accent-2:#FF6B3D;
  --c-bg:#FAF7F2;
  --c-bg-alt:#F1ECE4;
  --c-surface:#FFFFFF;
  --c-ink:#221C2C;
  --c-ink-2:#5F5769;
  --c-line:#E6E0D6;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --font-num:"DIN Alternate","Inter",system-ui,sans-serif;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(34,28,44,.06);
  --sh-2:0 10px 30px rgba(34,28,44,.08);
  --sh-3:0 18px 48px rgba(34,28,44,.12);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-brand);text-decoration:none;}
a:hover{color:var(--c-accent-2);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.35;}
p{margin:0 0 1.1em;line-height:1.85;}
p:last-child{margin-bottom:0;}
ul{list-style:none;margin:0;padding:0;}
::selection{background:var(--c-accent);color:#1B1029;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-accent-2);
  outline-offset:2px;
}

.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.head-top{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
}
.logo{
  display:flex;
  flex-direction:column;
  gap:2px;
  flex:0 0 auto;
  text-decoration:none;
}
.logo-mark{
  display:block;
  font-size:19px;
  font-weight:700;
  letter-spacing:.01em;
  line-height:1.2;
  color:var(--c-brand);
}
.logo-sub{
  display:block;
  font-size:11px;
  letter-spacing:.12em;
  color:var(--c-ink-2);
  line-height:1.4;
}
.search{
  flex:1 1 auto;
  max-width:560px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:10px;
  height:46px;
  padding:0 6px 0 16px;
  background:var(--c-bg);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.search svg{flex:0 0 auto;color:var(--c-ink-2);}
.search input{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  font-size:14px;
  color:var(--c-ink);
  outline:none;
}
.search input::placeholder{color:#9C94A6;}
.search button{
  flex:0 0 auto;
  width:84px;
  height:34px;
  border:0;
  border-radius:var(--r-pill);
  background:var(--c-brand);
  color:#fff;
  font-size:14px;
  cursor:pointer;
  transition:background .2s ease;
}
.search button:hover{background:var(--c-accent-2);}
.search button:active{background:#E4552A;}
.search:focus-within{
  border-color:var(--c-brand);
  background:#fff;
  box-shadow:0 0 0 2px rgba(46,26,71,.16), var(--sh-2);
}
.head-actions{
  display:flex;
  align-items:center;
  gap:18px;
  margin-left:auto;
  flex:0 0 auto;
}
.head-link{
  font-size:14px;
  color:var(--c-ink-2);
  text-decoration:none;
  transition:color .2s ease;
}
.head-link:hover{color:var(--c-accent-2);text-decoration:underline;text-underline-offset:3px;}
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:42px;
  padding:0 22px;
  border:0;
  border-radius:var(--r-btn);
  background:var(--c-brand);
  color:#fff;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  text-decoration:none;
  transition:background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn-main:hover{
  background:var(--c-accent-2);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--sh-2);
}
.btn-main:active{background:#E4552A;transform:translateY(0);}
.search-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  background:#fff;
  color:var(--c-brand);
  cursor:pointer;
  transition:border-color .2s ease, color .2s ease;
}
.search-toggle:hover{border-color:var(--c-brand);color:var(--c-accent-2);}
.head-nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:48px;
  border-top:1px solid var(--c-line);
}
.nav-list{display:flex;align-items:center;gap:32px;flex-wrap:wrap;}
.nav-item{
  position:relative;
  display:inline-block;
  padding:12px 0;
  font-size:15px;
  color:var(--c-ink);
  text-decoration:none;
  transition:color .2s ease;
}
.nav-item:hover{color:var(--c-brand);}
.nav-item.is-active{font-weight:600;color:var(--c-brand);}
.nav-item.is-active::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  background:var(--c-accent-2);
  border-radius:2px;
}
.nav-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.tag-pill{
  display:inline-block;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:var(--c-bg-alt);
  color:var(--c-ink-2);
  font-size:12px;
  text-decoration:none;
  transition:background .2s ease, color .2s ease;
}
.tag-pill:hover{background:var(--c-accent);color:#1B1029;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--c-bg);border-bottom:1px solid var(--c-line);}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  height:48px;
  font-size:13px;
  color:var(--c-ink-2);
  flex-wrap:wrap;
}
.crumb a{color:var(--c-ink-2);text-decoration:none;transition:color .2s ease;}
.crumb a:hover{color:var(--c-accent-2);}
.crumb .sep{color:#B7B0BE;}
.crumb .now{font-weight:700;color:var(--c-ink);}

/* ---------- Hero ---------- */
.hero-cat{
  background:var(--c-bg-alt);
  padding:56px 0;
}
.hero-cat-grid{
  display:grid;
  grid-template-columns:1fr 400px;
  gap:56px;
  align-items:center;
}
.eyebrow{
  display:inline-block;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--c-accent);
  color:#1B1029;
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  margin-bottom:18px;
}
.hero-cat h1{
  font-size:clamp(28px,4vw,40px);
  line-height:1.25;
  margin-bottom:18px;
  color:var(--c-brand);
}
.hero-cat .lead{
  font-size:16px;
  line-height:1.9;
  color:var(--c-ink-2);
  margin-bottom:26px;
}
.hero-cat-actions{display:flex;flex-wrap:wrap;gap:14px;}
.btn-outline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:42px;
  padding:0 22px;
  border:1px solid var(--c-brand);
  border-radius:var(--r-btn);
  background:transparent;
  color:var(--c-brand);
  font-size:14px;
  font-weight:600;
  text-decoration:none;
  transition:background .2s ease, color .2s ease, transform .2s ease;
}
.btn-outline:hover{
  background:var(--c-brand);
  color:#fff;
  transform:translateY(-1px);
}
.btn-outline:active{transform:translateY(0);}
.hero-cat-figure{
  margin:0;
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-3);
  aspect-ratio:20 / 11;
  background:var(--c-brand);
}
.hero-cat-figure img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.hero-cat-figure:hover img{transform:scale(1.03);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--c-bg-alt);}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head h2{
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.35;
  margin-bottom:14px;
  color:var(--c-brand);
}
.sec-head p{font-size:16px;color:var(--c-ink-2);line-height:1.85;}
.sec-head .eyebrow{margin-bottom:14px;}

/* ---------- 两栏 + 环节列表 ---------- */
.section-two-col{
  display:grid;
  grid-template-columns:340px 1fr;
  gap:56px;
  align-items:start;
}
.side-col h2{
  font-size:clamp(22px,2.6vw,30px);
  color:var(--c-brand);
  margin-bottom:14px;
}
.side-col p{font-size:15px;color:var(--c-ink-2);line-height:1.85;margin-bottom:24px;}
.side-figure{
  margin:0;
  border-radius:var(--r-img);
  overflow:hidden;
  box-shadow:var(--sh-2);
  aspect-ratio:16 / 9;
  background:var(--c-bg-alt);
}
.side-figure img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.side-figure:hover img{transform:scale(1.03);}

.step-list{border-top:1px solid var(--c-line);}
.step-row{
  display:flex;
  gap:20px;
  padding:24px 12px;
  border-bottom:1px solid var(--c-line);
  border-radius:var(--r-img);
  transition:background .2s ease, transform .2s ease;
}
.step-row:hover{background:rgba(46,26,71,.035);transform:translateX(3px);}
.step-ico{
  flex:0 0 auto;
  width:48px;
  height:48px;
  border-radius:14px;
  background:var(--c-brand);
  color:var(--c-accent);
  display:grid;
  place-items:center;
  font-family:var(--font-num);
  font-size:17px;
  font-weight:700;
  letter-spacing:-.02em;
}
.step-body h3{
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:6px;
  color:var(--c-ink);
}
.step-body p{font-size:15px;color:var(--c-ink-2);line-height:1.85;margin:0;}

/* ---------- 对照表 ---------- */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  background:var(--c-surface);
  box-shadow:var(--sh-1);
  -webkit-overflow-scrolling:touch;
}
.cmp-table{
  width:100%;
  min-width:680px;
  border-collapse:collapse;
}
.cmp-table th{
  background:var(--c-brand);
  color:#fff;
  font-size:14px;
  font-weight:600;
  text-align:left;
  padding:14px 18px;
  white-space:nowrap;
}
.cmp-table td{
  font-size:15px;
  line-height:1.75;
  color:var(--c-ink);
  padding:16px 18px;
  border-top:1px solid var(--c-line);
  vertical-align:top;
}
.cmp-table tbody tr:nth-child(even){background:var(--c-bg-alt);}
.cmp-table td:last-child{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  white-space:nowrap;
  color:var(--c-brand);
  font-weight:600;
}
.table-note{
  margin-top:14px;
  font-size:13px;
  color:var(--c-ink-2);
  line-height:1.7;
}

/* ---------- 状态条 ---------- */
.status-band{
  background:var(--c-brand);
  color:#fff;
  padding:72px 0;
}
.status-band h2{
  font-size:clamp(20px,2.4vw,24px);
  color:#fff;
  font-weight:600;
  margin-bottom:10px;
}
.status-band .band-lead{
  font-size:15px;
  color:rgba(255,255,255,.72);
  max-width:720px;
  margin-bottom:36px;
}
.meter-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
}
.meter-item{
  padding:6px 32px;
  border-left:1px solid rgba(255,255,255,.12);
}
.meter-item:first-child{border-left:0;padding-left:0;}
.meter-name{
  font-size:14px;
  color:rgba(255,255,255,.72);
  margin-bottom:10px;
}
.meter-value{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  font-size:clamp(32px,3.4vw,44px);
  line-height:1.1;
  color:var(--c-accent);
  margin-bottom:14px;
}
.meter-value small{
  font-size:14px;
  color:rgba(255,255,255,.6);
  margin-left:6px;
  font-family:var(--font-cn);
}
.meter{
  height:8px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  overflow:hidden;
}
.meter span{
  display:block;
  height:100%;
  border-radius:var(--r-pill);
  background:linear-gradient(90deg,var(--c-accent),var(--c-accent-2));
}
.meter-note{
  margin-top:28px;
  font-size:12px;
  color:rgba(255,255,255,.5);
}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow .2s ease;
}
.faq-acc .accordion-item:hover{box-shadow:var(--sh-2);}
.faq-acc .accordion-button{
  display:flex;
  align-items:center;
  gap:16px;
  width:100%;
  padding:18px 22px;
  background:#fff;
  color:var(--c-ink);
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  box-shadow:none;
  border:0;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--c-brand);
  background:#fff;
  box-shadow:none;
}
.faq-acc .accordion-button:focus{box-shadow:none;border:0;}
.faq-acc .accordion-button::after{display:none;}
.acc-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  font-size:15px;
  color:#A79FB0;
  flex:0 0 auto;
}
.acc-plus{
  margin-left:auto;
  flex:0 0 auto;
  width:26px;
  height:26px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:var(--c-bg-alt);
  color:var(--c-brand);
  font-size:18px;
  line-height:1;
  transition:transform .25s ease, background .25s ease;
}
.faq-acc .accordion-button:not(.collapsed) .acc-plus{
  transform:rotate(45deg);
  background:var(--c-accent);
}
.faq-acc .accordion-body{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-ink-2);
}

/* ---------- CTA 横幅 ---------- */
.cta-banner{
  background:var(--c-brand);
  border-radius:18px;
  padding:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  box-shadow:var(--sh-3);
}
.cta-banner h2{
  color:#fff;
  font-size:clamp(22px,2.6vw,30px);
  margin-bottom:10px;
}
.cta-banner p{
  color:rgba(255,255,255,.75);
  font-size:15px;
  line-height:1.8;
  margin:0;
  max-width:560px;
}
.btn-line{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
  height:46px;
  padding:0 26px;
  border:1px solid rgba(255,255,255,.7);
  border-radius:var(--r-btn);
  background:transparent;
  color:#fff;
  font-size:15px;
  font-weight:600;
  text-decoration:none;
  transition:background .2s ease, color .2s ease, transform .2s ease;
}
.btn-line:hover{
  background:#fff;
  color:var(--c-brand);
  transform:translateY(-1px);
}
.btn-line:active{transform:translateY(0);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-brand-deep);
  color:#fff;
  padding-top:64px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.foot-brand .logo-mark{color:#fff;font-size:19px;}
.foot-brand .logo-sub{color:rgba(255,255,255,.5);margin-top:6px;}
.foot-brand p{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.72);
  margin:18px 0 14px;
}
.foot-domain{
  display:inline-block;
  font-size:14px;
  color:var(--c-accent);
  text-decoration:none;
  transition:color .2s ease;
}
.foot-domain:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.foot-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.foot-col ul{display:flex;flex-direction:column;gap:12px;}
.foot-col a{
  display:inline-block;
  font-size:14px;
  color:rgba(255,255,255,.72);
  text-decoration:none;
  transition:color .2s ease, transform .2s ease;
}
.foot-col a:hover{color:var(--c-accent);transform:translateX(-2px);}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:36px;
  padding:0 16px;
  border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-btn);
  background:transparent;
  color:rgba(255,255,255,.8);
  font-size:13px;
  cursor:pointer;
  transition:background .2s ease, color .2s ease, border-color .2s ease;
}
.to-top:hover{background:var(--c-accent);color:#1B1029;border-color:var(--c-accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-cat-grid{grid-template-columns:1fr 340px;gap:40px;}
  .section-two-col{grid-template-columns:300px 1fr;gap:40px;}
  .cta-banner{padding:40px;}
}
@media (max-width:991px){
  .head-nav{display:none;}
  .head-top{min-height:64px;gap:12px;}
  .search{display:none;}
  .search-toggle{display:inline-flex;}
  .head-actions .head-link{display:none;}
  .site-header.is-search-open .search{
    display:flex;
    position:absolute;
    top:68px;
    left:12px;
    right:12px;
    max-width:none;
    margin:0;
    background:#fff;
    box-shadow:var(--sh-2);
    z-index:5;
  }
  .hero-cat{padding:44px 0;}
  .hero-cat-grid{grid-template-columns:1fr;gap:32px;}
  .hero-cat-figure{max-width:560px;}
  .section{padding:64px 0;}
  .section-two-col{grid-template-columns:1fr;gap:32px;}
  .side-figure{max-width:560px;}
  .status-band{padding:56px 0;}
  .meter-grid{grid-template-columns:1fr;gap:28px;}
  .meter-item{border-left:0;padding:0;border-top:1px solid rgba(255,255,255,.12);padding-top:20px;}
  .meter-item:first-child{border-top:0;padding-top:0;}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:36px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .wrap{padding:0 18px;}
  body{font-size:16px;line-height:1.8;}
  .logo-mark{font-size:17px;}
  .logo-sub{font-size:10px;letter-spacing:.1em;}
  .btn-main{height:40px;padding:0 16px;font-size:13px;}
  .hero-cat{padding:36px 0;}
  .hero-cat h1{font-size:clamp(24px,7vw,30px);}
  .hero-cat .lead{font-size:15px;}
  .section{padding:48px 0;}
  .step-row{padding:20px 8px;gap:14px;}
  .step-ico{width:42px;height:42px;border-radius:12px;font-size:15px;}
  .step-body h3{font-size:17px;}
  .cmp-table th,.cmp-table td{padding:12px 14px;font-size:14px;}
  .faq-acc .accordion-button{padding:16px 16px;font-size:15px;gap:12px;}
  .faq-acc .accordion-body{padding:0 16px 18px;font-size:14.5px;}
  .cta-banner{padding:28px;border-radius:16px;}
  .btn-line{width:100%;}
  .foot-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:14px;padding:18px 0 28px;}
  .crumb{height:auto;padding:12px 0;}
}

/* roulang page: category2 */
:root{
  --c-brand:#2E1A47;
  --c-brand-deep:#1B1029;
  --c-accent:#A8E63A;
  --c-accent-2:#FF6B3D;
  --c-bg:#FAF7F2;
  --c-bg-alt:#F1ECE4;
  --c-surface:#FFFFFF;
  --c-ink:#221C2C;
  --c-ink-2:#5F5769;
  --c-line:#E6E0D6;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(34,28,44,.06);
  --sh-2:0 10px 30px rgba(34,28,44,.08);
  --sh-3:0 18px 48px rgba(34,28,44,.12);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --font-num:"DIN Alternate","Inter",system-ui,sans-serif;
  --sec-pad:92px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-family:var(--font-cn);font-weight:700;color:var(--c-ink)}
h1{font-size:clamp(28px,4vw,42px);line-height:1.25}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35}
h3{font-size:19px;line-height:1.5;font-weight:600}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease,transform .2s ease}
a:hover{color:var(--c-accent-2)}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-accent-2);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.02em}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.head-top{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:block;flex:0 0 auto}
.logo-mark{display:block;font-size:19px;font-weight:700;color:var(--c-brand);letter-spacing:.01em;line-height:1.2}
.logo-sub{display:block;font-size:11px;letter-spacing:.12em;color:var(--c-ink-2);margin-top:3px;text-transform:uppercase}
.logo:hover .logo-mark{color:var(--c-brand)}
.search{
  flex:1 1 auto;max-width:560px;margin:0 auto;
  display:flex;align-items:center;gap:10px;
  height:46px;padding-left:18px;
  background:var(--c-bg);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  color:var(--c-ink-2);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search:focus-within{
  border-color:var(--c-brand);
  background:var(--c-surface);
  box-shadow:0 0 0 1px var(--c-brand),var(--sh-2);
}
.search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;
  font-size:14px;color:var(--c-ink);height:100%;outline:none;font-family:inherit;
}
.search input::placeholder{color:#9A93A3}
.search button{
  flex:0 0 auto;width:84px;height:38px;margin-right:4px;
  border:0;border-radius:var(--r-pill);
  background:var(--c-brand);color:#fff;font-size:14px;cursor:pointer;
  transition:background .2s ease;
}
.search button:hover{background:var(--c-accent-2)}
.search button:active{transform:translateY(1px)}
.head-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 22px;border-radius:var(--r-btn);
  background:var(--c-brand);color:#fff;font-size:14px;font-weight:600;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--c-accent-2);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-main:active{transform:translateY(0)}
.head-link{font-size:14px;color:var(--c-ink-2)}
.head-link:hover{color:var(--c-brand);text-decoration:underline;text-underline-offset:3px}
.search-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--c-line);
  border-radius:var(--r-btn);background:var(--c-surface);color:var(--c-brand);
  align-items:center;justify-content:center;cursor:pointer;margin-left:auto;
}
.head-nav{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:52px;border-top:1px solid var(--c-line);
}
.nav-list{display:flex;align-items:center;gap:32px}
.nav-item{
  position:relative;display:inline-block;padding:14px 0;
  font-size:15px;color:var(--c-ink);border-bottom:2px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.nav-item:hover{color:var(--c-brand);border-bottom-color:var(--c-line)}
.nav-item.is-active{font-weight:600;color:var(--c-brand);border-bottom-color:var(--c-accent-2)}
.nav-tags{display:flex;align-items:center;gap:10px}
.tag-pill{
  display:inline-block;padding:5px 14px;border-radius:var(--r-pill);
  font-size:12px;color:var(--c-ink-2);background:var(--c-bg-alt);
  border:1px solid var(--c-line);transition:all .2s ease;
}
.tag-pill:hover{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-brand-deep)}

/* ---------- Page hero ---------- */
.page-hero{background:var(--c-bg-alt);padding-bottom:60px}
.crumb{display:flex;align-items:center;gap:8px;height:48px;font-size:13px;color:var(--c-ink-2)}
.crumb a{color:var(--c-ink-2)}
.crumb a:hover{color:var(--c-brand);text-decoration:underline;text-underline-offset:3px}
.crumb span{color:#B4ACBC}
.crumb strong{font-weight:700;color:var(--c-ink)}
.hero-center{max-width:860px;margin:0 auto;text-align:center;padding-top:14px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:var(--r-pill);
  background:var(--c-accent);color:var(--c-brand-deep);
  font-size:12px;font-weight:600;letter-spacing:.04em;margin-bottom:20px;
}
.hero-center h1{color:var(--c-brand)}
.hero-sub{margin-top:16px;font-size:16px;color:var(--c-ink-2);line-height:1.8}
.anchor-bar{
  display:flex;justify-content:center;gap:10px;
  margin-top:30px;overflow-x:auto;padding:2px 2px 8px;
  scrollbar-width:none;
}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-bar a{
  flex:0 0 auto;display:inline-block;padding:8px 20px;
  border:1px solid var(--c-line);border-radius:var(--r-pill);
  background:var(--c-surface);color:var(--c-ink);
  font-size:14px;transition:all .2s ease;
}
.anchor-bar a:hover{background:var(--c-brand);border-color:var(--c-brand);color:#fff;transform:translateY(-1px)}
.anchor-bar a:active{transform:translateY(0)}

/* ---------- Section basics ---------- */
.section{padding:var(--sec-pad) 0}
.section-alt{background:var(--c-bg-alt);background:var(--c-bg-alt)}
.section-white{background:var(--c-bg)}
.sec-head{max-width:720px}
.sec-head h2{color:var(--c-brand);margin-bottom:14px}
.sec-head p{font-size:16px;color:var(--c-ink-2);margin:0}
.sec-head.center{margin:0 auto;text-align:center}

/* ---------- Steps ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:26px;margin-top:52px;
}
.step{position:relative;padding-top:2px}
.step-num{
  width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-brand);color:var(--c-accent);
  font-family:var(--font-num);font-size:22px;font-weight:700;
  letter-spacing:-.02em;margin-bottom:20px;
  transition:transform .25s ease,background .25s ease;
}
.step:hover .step-num{transform:translateY(-3px);background:var(--c-brand-deep)}
.step:not(:last-child)::after{
  content:"";position:absolute;top:28px;left:70px;right:-16px;
  border-top:2px dashed #D6CFC2;
}
.step h3{font-size:17px;margin-bottom:10px;color:var(--c-ink)}
.step p{font-size:14px;line-height:1.8;color:var(--c-ink-2);margin:0}
.step-line{position:relative;z-index:1}
.step > *{position:relative;z-index:1}

/* ---------- Point cards ---------- */
.point-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:28px;
  margin-top:34px;padding-top:32px;align-items:start;
}
.point-col{display:flex;flex-direction:column;gap:24px}
.point-col.left{margin-top:-32px}
.point{
  position:relative;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 26px 24px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.point:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#DCD4C6}
.point .sq{display:block;width:14px;height:14px;border-radius:3px;background:var(--c-accent);margin-bottom:14px}
.point h3{font-size:18px;margin-bottom:10px;color:var(--c-brand)}
.point p{font-size:15px;line-height:1.85;color:var(--c-ink-2);margin:0}
.point-media{
  padding:0;overflow:hidden;border-radius:var(--r-card);
  border:1px solid var(--c-line);box-shadow:var(--sh-1);background:var(--c-surface);
}
.point-media .media-box{position:relative;overflow:hidden;aspect-ratio:16/9}
.point-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.point-media:hover img{transform:scale(1.03)}
.point-media .media-cap{
  padding:20px 24px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2);
}
.point-media .media-cap strong{color:var(--c-brand);font-weight:600}

/* ---------- FAQ ---------- */
.acc{max-width:860px;margin:44px auto 0}
.acc .accordion-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:14px;overflow:hidden;margin-bottom:12px;
  transition:box-shadow .25s ease,transform .25s ease;
}
.acc .accordion-item:hover{box-shadow:var(--sh-1)}
.acc .accordion-item:has(.accordion-collapse.show){box-shadow:var(--sh-2)}
.acc .accordion-header{margin:0}
.acc .accordion-button{
  display:flex;align-items:center;gap:16px;
  width:100%;padding:20px 22px;background:transparent;
  font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.6;
  box-shadow:none;border:0;text-align:left;
}
.acc .accordion-button:not(.collapsed){background:transparent;color:var(--c-brand);box-shadow:none}
.acc .accordion-button:focus{box-shadow:none;border:0}
.acc-num{
  flex:0 0 auto;font-family:var(--font-num);font-size:14px;
  letter-spacing:-.02em;color:#A69EB0;
}
.acc-title{flex:1 1 auto;min-width:0}
.acc .accordion-button::after{
  content:"+";flex:0 0 auto;margin-left:auto;
  width:auto;height:auto;background-image:none;
  font-size:24px;line-height:1;font-weight:400;color:var(--c-ink-2);
  transform:none;transition:transform .25s ease,color .2s ease;
}
.acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--c-brand)}
.acc .accordion-body{
  padding:0 22px 22px 62px;
  font-size:15px;line-height:1.85;color:var(--c-ink-2);
}

/* ---------- CTA form ---------- */
.cta-band{background:var(--c-brand-deep);padding:var(--sec-pad) 0}
.cta-inner{max-width:760px;margin:0 auto;text-align:center}
.cta-inner h2{color:#fff;margin-bottom:16px}
.cta-inner .cta-lead{
  font-size:15px;line-height:1.85;color:rgba(255,255,255,.72);margin:0 auto;max-width:620px;
}
.form-card{
  margin-top:38px;background:var(--c-surface);border-radius:18px;
  padding:32px;text-align:left;box-shadow:var(--sh-3);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--c-ink-2);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-surface);color:var(--c-ink);
  font-size:15px;font-family:inherit;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.8;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-brand);box-shadow:0 0 0 2px rgba(46,26,71,.12);
}
.field input::placeholder,.field textarea::placeholder{color:#A69EB0}
.btn-submit{
  width:100%;height:50px;border:0;border-radius:var(--r-btn);
  background:var(--c-accent-2);color:#fff;font-size:16px;font-weight:600;
  cursor:pointer;transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-submit:hover{background:#E85A2E;transform:translateY(-1px);box-shadow:0 8px 20px rgba(255,107,61,.28)}
.btn-submit:active{transform:translateY(0)}
.form-note{margin-top:14px;font-size:13px;color:var(--c-ink-2);text-align:center}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-brand-deep);color:rgba(255,255,255,.72);padding:66px 0 0}
.foot-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1);
}
.foot-brand .logo-mark{color:#fff;font-size:19px;font-weight:700;display:block}
.foot-brand .logo-sub{display:block;font-size:11px;letter-spacing:.12em;color:rgba(255,255,255,.46);margin-top:6px}
.foot-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.68)}
.foot-domain{display:inline-block;margin-top:14px;font-size:13px;color:var(--c-accent)}
.foot-domain:hover{color:var(--c-accent)}
.foot-col h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.foot-col li a{
  display:inline-block;padding:5px 0;font-size:14px;
  color:rgba(255,255,255,.72);transition:color .2s ease,transform .2s ease;
}
.foot-col li a:hover{color:var(--c-accent);transform:translateX(2px)}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  height:76px;font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-pill);background:transparent;
  color:rgba(255,255,255,.8);font-size:13px;cursor:pointer;
  transition:all .2s ease;
}
.to-top:hover{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-brand-deep)}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  :root{--sec-pad:76px}
  .head-top{gap:20px}
  .nav-list{gap:26px}
}
@media (max-width:991.98px){
  :root{--sec-pad:64px}
  .head-top{height:64px;gap:12px}
  .head-nav{display:none}
  .search{display:none}
  .search.is-open{
    display:flex;position:absolute;left:0;right:0;top:100%;
    max-width:none;margin:0;padding:12px 18px;height:auto;
    background:var(--c-surface);border-radius:0;
    border:0;border-bottom:1px solid var(--c-line);
    box-shadow:var(--sh-2);z-index:6;
  }
  .search.is-open input{border:1px solid var(--c-line);border-radius:var(--r-pill);height:42px;padding:0 16px;background:var(--c-bg)}
  .search.is-open button{margin-left:8px}
  .search-toggle{display:flex}
  .head-actions{gap:12px;margin-left:0}
  .head-link{display:none}
  .btn-main{height:40px;padding:0 16px;font-size:13px}
  .steps{grid-template-columns:1fr 1fr;gap:30px 24px}
  .step:not(:last-child)::after{display:none}
  .point-grid{grid-template-columns:1fr;padding-top:0}
  .point-col.left{margin-top:0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{max-width:100%}
}
@media (max-width:767.98px){
  :root{--sec-pad:52px}
  .wrap{padding:0 18px}
  h1{font-size:clamp(25px,6vw,32px)}
  h2{font-size:clamp(21px,5vw,26px)}
  .hero-center{padding-top:6px}
  .hero-sub{font-size:15px}
  .anchor-bar{justify-content:flex-start;padding-left:2px;padding-right:2px}
  .steps{grid-template-columns:1fr;gap:28px}
  .step{display:grid;grid-template-columns:56px 1fr;column-gap:16px;align-items:start}
  .step-num{margin-bottom:0;grid-row:span 2}
  .step h3{margin-bottom:6px}
  .acc .accordion-button{padding:18px 16px;font-size:15px;gap:12px}
  .acc .accordion-body{padding:0 16px 18px 44px;font-size:14px}
  .form-card{padding:24px 20px;border-radius:16px}
  .form-row{grid-template-columns:1fr;gap:0}
  .foot-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .foot-bottom{flex-direction:column;height:auto;padding:22px 0;gap:14px;text-align:center}
  .point{padding:22px 20px}
  .point h3{font-size:17px}
}
@media (max-width:479.98px){
  .btn-main{padding:0 14px}
  .tag-pill{font-size:11px;padding:4px 11px}
}