/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --brand:#E8552B;
  --brand-hover:#F26840;
  --brand-dark:#C8431D;
  --brand-deep:#0F7A6B;
  --brand-deep-soft:rgba(15,122,107,.12);
  --ink:#14161A;
  --paper:#F7F5F2;
  --card:#FFFFFF;
  --line:#E4E0DA;
  --line-soft:#EFEBE6;
  --text:#2B2F36;
  --muted:#5A5F66;
  --faint:#8A8F96;
  --placeholder:#9AA0A6;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-input:12px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(20,22,26,.06);
  --shadow-2:0 10px 28px rgba(20,22,26,.12);
  --shadow-3:0 18px 48px rgba(20,22,26,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec-desktop:88px;
  --sec-tablet:64px;
  --sec-mobile:48px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--card);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;height:auto;display:block;border-radius:0;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
a:hover,a:focus{color:var(--brand);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(232,85,43,.16);}

/* 覆盖 Foundation 默认色 */
a{color:inherit;}
a:hover,a:focus{color:var(--brand);}
button,.button{background-image:none;}
input[type="search"],input[type="text"],input[type="email"]{appearance:none;}
table{border-collapse:collapse;}

/* ============ 容器与通用 ============ */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:var(--sec-desktop) 0;}
.section--paper{background:var(--paper);}
.section--tight{padding-top:64px;padding-bottom:64px;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:1.6px;
  color:var(--brand-deep);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
}
.section-head h2{
  font-size:clamp(24px,3vw,36px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.4px;
  color:var(--ink);
}
.section-head p{
  max-width:620px;
  margin-top:14px;
  font-size:15px;
  line-height:1.75;
  color:var(--muted);
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:700;
  color:var(--brand-deep);
  white-space:nowrap;
}
.link-more .arrow{transition:transform .2s var(--ease);display:inline-block;}
.link-more:hover .arrow{transform:translateX(4px);}
.lead{font-size:17px;line-height:1.85;color:var(--muted);max-width:720px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:12px 26px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  border:1.5px solid transparent;
  transition:transform .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:0 6px 18px rgba(232,85,43,.24);
}
.btn-primary:hover{background:var(--brand-hover);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(232,85,43,.28);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--brand);
  border-color:var(--brand);
}
.btn-ghost:hover{background:rgba(232,85,43,.08);color:var(--brand-dark);border-color:var(--brand-dark);}
.btn-dark-ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.42);
}
.btn-dark-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.2px;
  color:var(--brand-deep);
  background:var(--brand-deep-soft);
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.badge:hover{background:var(--brand-deep);color:#fff;}
.badge--brand{color:var(--brand);background:rgba(232,85,43,.1);}
.badge--brand:hover{background:var(--brand);color:#fff;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.95);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-stuck{
  border-bottom-color:var(--line);
  box-shadow:0 1px 0 rgba(20,22,26,.02),0 6px 20px rgba(20,22,26,.06);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:22px;
  min-height:74px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand:hover{color:inherit;}
.brand-mark{
  width:38px;
  height:38px;
  border-radius:11px;
  background:linear-gradient(140deg,var(--brand) 0%,#F58A5E 55%,var(--brand-deep) 100%);
  display:flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
  box-shadow:0 6px 16px rgba(232,85,43,.26);
}
.brand-mark svg{width:22px;height:22px;display:block;}
.brand-text{
  font-size:20px;
  font-weight:800;
  letter-spacing:-.4px;
  color:var(--ink);
  white-space:nowrap;
}
.brand-text em{font-style:normal;color:var(--brand);}

.search-wrap{
  flex:1 1 auto;
  max-width:400px;
  margin:0 auto;
}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  padding:4px 4px 4px 14px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box:focus-within{
  border-color:var(--brand);
  box-shadow:0 3px 12px rgba(232,85,43,.14);
}
.search-box .icon-search{width:18px;height:18px;flex:0 0 auto;color:var(--faint);}
.search-box input{
  flex:1 1 auto;
  min-width:0;
  border:0;
  outline:none;
  background:transparent;
  font-size:14.5px;
  padding:9px 4px;
  color:var(--text);
}
.search-box input::placeholder{color:var(--placeholder);}
.search-btn{
  flex:0 0 auto;
  border:0;
  border-radius:9px;
  background:var(--brand);
  color:#fff;
  font-size:14px;
  font-weight:700;
  padding:9px 16px;
  transition:background-color .2s var(--ease);
}
.search-btn:hover{background:var(--brand-hover);}

.main-nav{
  display:flex;
  align-items:center;
  gap:20px;
  flex:0 0 auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  font-weight:600;
  color:var(--text);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .18s var(--ease);
}
.nav-link:hover,.nav-link:focus{color:var(--brand);}
.nav-link:hover::after,.nav-link:focus::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);}
.nav-cta{margin-left:4px;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:11px;
  background:#fff;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--ink);
  position:relative;
  transition:background-color .2s var(--ease);
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";
  position:absolute;left:0;
  width:18px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .22s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg);}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  top:0;right:0;
  width:min(88vw,380px);
  height:100%;
  background:#fff;
  z-index:120;
  padding:22px 22px 32px;
  transform:translateX(102%);
  transition:transform .26s var(--ease);
  overflow-y:auto;
  box-shadow:var(--shadow-3);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:20px;
}
.drawer-close{
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  font-size:18px;
  color:var(--muted);
  line-height:1;
}
.drawer-search{margin-bottom:22px;}
.drawer-search .search-box{padding:4px 4px 4px 14px;}
.drawer-nav{display:flex;flex-direction:column;gap:2px;}
.drawer-nav a{
  padding:14px 4px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  border-bottom:1px solid var(--line-soft);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--brand);}
.drawer-cta{margin-top:24px;}
.drawer-cta .btn{width:100%;}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(20,22,26,.45);
  z-index:110;
  opacity:0;
  visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:72px 0 64px;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--paper) 100%);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  top:-160px;right:-120px;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(232,85,43,.10) 0%,rgba(232,85,43,0) 68%);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:56px;
  align-items:center;
  position:relative;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  font-size:13px;
  font-weight:700;
  color:var(--brand-deep);
  margin-bottom:22px;
  box-shadow:var(--shadow-1);
}
.hero-tag i{
  width:7px;height:7px;border-radius:50%;
  background:var(--brand);
  display:inline-block;
}
.hero h1{
  font-size:clamp(30px,4.6vw,54px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.5px;
  color:var(--ink);
  margin-bottom:20px;
}
.hero h1 .hl{
  position:relative;
  white-space:nowrap;
}
.hero h1 .hl::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:6px;
  height:8px;
  border-radius:4px;
  background:linear-gradient(90deg,rgba(232,85,43,.30),rgba(15,122,107,.22));
  z-index:-1;
}
.hero-sub{
  font-size:17px;
  line-height:1.85;
  color:var(--muted);
  max-width:620px;
  margin-bottom:30px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:30px;
}
.hero-trust{
  display:flex;
  flex-wrap:wrap;
  gap:26px;
}
.trust-item{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:14px;
  font-weight:600;
  color:var(--text);
}
.trust-item svg{width:18px;height:18px;color:var(--brand-deep);flex:0 0 auto;}

.hero-visual{position:relative;}
.hero-photo{
  position:relative;
  aspect-ratio:16/10;
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-2);
  background:#ddd;
}
.hero-photo img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.hero-photo::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(20,22,26,0) 38%,rgba(20,22,26,.44) 100%);
}
.hero-photo-caption{
  position:absolute;
  left:20px;bottom:18px;
  z-index:2;
  color:#fff;
}
.hero-photo-caption strong{
  display:block;
  font-size:16px;
  font-weight:700;
  letter-spacing:.2px;
}
.hero-photo-caption span{
  font-size:12.5px;
  opacity:.82;
}
.hero-float{
  position:absolute;
  right:-18px;
  bottom:-28px;
  width:min(58%,240px);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:10px;
  box-shadow:var(--shadow-3);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.hero-float:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(20,22,26,.2);}
.hero-float img{
  width:100%;
  aspect-ratio:3/2;
  object-fit:cover;
  border-radius:8px;
}
.hero-float-text{padding:10px 4px 4px;}
.hero-float-text strong{display:block;font-size:14.5px;font-weight:700;color:var(--ink);}
.hero-float-text span{font-size:12.5px;color:var(--faint);}

/* ============ 数值条 ============ */
.stats-bar{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:#fff;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
}
.stat{
  padding:34px 28px;
  border-left:1px solid var(--line);
}
.stat:first-child{border-left:0;padding-left:0;}
.stat-num{
  display:block;
  font-size:clamp(28px,3.4vw,40px);
  font-weight:800;
  line-height:1.1;
  color:var(--brand);
  letter-spacing:-.5px;
  font-variant-numeric:tabular-nums;
}
.stat-num small{
  font-size:15px;
  font-weight:700;
  margin-left:3px;
  color:var(--brand);
}
.stat p{
  margin-top:8px;
  font-size:14px;
  color:var(--muted);
}

/* ============ 品牌主张区 ============ */
.belief-grid{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:56px;
  align-items:start;
}
.belief-grid h2{
  font-size:clamp(26px,3.2vw,40px);
  font-weight:700;
  line-height:1.28;
  letter-spacing:-.5px;
  color:var(--ink);
  margin-bottom:22px;
}
.belief-grid .lead{max-width:none;}
.belief-list{
  display:flex;
  flex-direction:column;
  gap:0;
  border-top:1px solid var(--line);
}
.belief-item{
  padding:22px 0 22px 20px;
  border-bottom:1px solid var(--line);
  position:relative;
}
.belief-item::before{
  content:"";
  position:absolute;
  left:0;top:26px;
  width:4px;height:22px;
  border-radius:2px;
  background:var(--brand-deep);
}
.belief-item strong{
  display:block;
  font-size:16.5px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:6px;
}
.belief-item span{font-size:14.5px;color:var(--muted);line-height:1.7;}

/* ============ 故事 / 理念区 ============ */
.story-row{
  display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:56px;
  align-items:center;
}
.story-row + .story-row{margin-top:72px;}
.story-row.reverse{grid-template-columns:minmax(0,7fr) minmax(0,5fr);}
.story-row.reverse .story-media{order:2;}
.story-row.reverse .story-text{order:1;}
.story-media{
  position:relative;
  border-radius:var(--radius-img);
  overflow:hidden;
  box-shadow:var(--shadow-2);
}
.story-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:0;
}
.story-text{padding-left:22px;position:relative;}
.story-text::before{
  content:"";
  position:absolute;
  left:0;top:8px;
  width:4px;height:52px;
  border-radius:2px;
  background:var(--brand);
}
.story-text h3{
  font-size:clamp(20px,2.4vw,26px);
  font-weight:700;
  line-height:1.4;
  color:var(--ink);
  margin-bottom:16px;
}
.story-text p{
  font-size:16px;
  line-height:1.9;
  color:var(--muted);
}
.story-text p + p{margin-top:14px;}

/* ============ 精选内容卡 ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:#DCD6CF;
}
.card-thumb{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:#EDEAE6;
}
.card-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s var(--ease);}
.card:hover .card-thumb img{transform:scale(1.04);}
.card-body{
  padding:22px 22px 24px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
}
.card-body h3{
  font-size:19px;
  font-weight:700;
  line-height:1.5;
  color:var(--ink);
  margin-bottom:10px;
  transition:color .2s var(--ease);
}
.card:hover .card-body h3{color:var(--brand);}
.card-body p{
  font-size:14.8px;
  line-height:1.75;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line-soft);
}
.card-meta time{font-size:13px;color:var(--faint);}
.card-more{
  display:inline-flex;
  align-items:center;
  gap:5px;
  font-size:13.5px;
  font-weight:700;
  color:var(--brand);
}
.card-more .arrow{transition:transform .2s var(--ease);}
.card:hover .card-more .arrow{transform:translateX(4px);}

.card--feature{
  grid-column:span 2;
  flex-direction:row;
}
.card--feature .card-thumb{
  width:52%;
  aspect-ratio:auto;
  min-height:300px;
}
.card--feature .card-body{width:48%;padding:34px 34px 32px;}
.card--feature .card-body h3{font-size:24px;line-height:1.42;}
.card--feature .card-body p{-webkit-line-clamp:3;font-size:15.5px;}
.card--feature .card-body .card-tagline{margin-bottom:14px;}

/* ============ 最新信息区 ============ */
.news-list{
  display:flex;
  flex-direction:column;
  border-top:1px solid var(--line);
}
.news-item{
  display:grid;
  grid-template-columns:180px minmax(0,1fr) 170px;
  gap:26px;
  align-items:center;
  padding:22px 6px;
  border-bottom:1px solid var(--line);
  transition:background-color .2s var(--ease),padding-left .2s var(--ease);
}
.news-item:hover{background:rgba(232,85,43,.035);padding-left:14px;}
.news-thumb{
  aspect-ratio:16/10;
  border-radius:10px;
  overflow:hidden;
  background:#EDEAE6;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s var(--ease);}
.news-item:hover .news-thumb img{transform:scale(1.05);}
.news-body h3{
  font-size:18px;
  font-weight:700;
  line-height:1.5;
  color:var(--ink);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.news-item:hover .news-body h3{color:var(--brand);}
.news-body p{
  margin-top:8px;
  font-size:14.5px;
  line-height:1.7;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:10px;
}
.news-meta time{font-size:13px;color:var(--faint);font-variant-numeric:tabular-nums;}
.empty-state{
  text-align:center;
  padding:66px 24px;
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  background:var(--paper);
}
.empty-state svg{width:44px;height:44px;color:var(--faint);margin:0 auto 16px;}
.empty-state strong{display:block;font-size:17px;font-weight:700;color:var(--ink);}
.empty-state span{display:block;margin-top:8px;font-size:14px;color:var(--faint);}
.pagination{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  margin-top:38px;
}
.pagination a,.pagination span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:42px;
  height:42px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  font-size:14px;
  font-weight:700;
  color:var(--muted);
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.pagination a:hover{border-color:var(--brand);color:var(--brand);}
.pagination .is-current{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ============ 信任背书区 ============ */
.logo-wall{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
  margin-bottom:52px;
}
.logo-chip{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:66px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  font-size:14.5px;
  font-weight:700;
  color:var(--faint);
  filter:grayscale(1);
  transition:filter .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.logo-chip svg{width:18px;height:18px;}
.logo-chip:hover{
  filter:grayscale(0);
  color:var(--brand-deep);
  border-color:rgba(15,122,107,.35);
  transform:translateY(-2px);
}
.quote-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.quote-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:30px 28px 26px;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.quote-card::before{
  content:"“";
  position:absolute;
  top:6px;left:20px;
  font-size:60px;
  line-height:1;
  color:rgba(232,85,43,.16);
  font-family:Georgia,serif;
}
.quote-card p{
  position:relative;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  margin-bottom:18px;
}
.quote-who{
  display:flex;
  align-items:center;
  gap:12px;
  padding-top:16px;
  border-top:1px solid var(--line-soft);
}
.quote-avatar{
  width:40px;height:40px;
  border-radius:50%;
  background:linear-gradient(140deg,var(--brand-deep),#14A08C);
  color:#fff;
  font-size:15px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
}
.quote-who strong{display:block;font-size:14.5px;font-weight:700;color:var(--ink);}
.quote-who span{font-size:12.5px;color:var(--faint);}

/* ============ FAQ ============ */
.faq-list{
  display:flex;
  flex-direction:column;
  gap:12px;
  max-width:920px;
  margin:0 auto;
}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item.is-open{
  border-color:rgba(232,85,43,.36);
  box-shadow:var(--shadow-1);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 22px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16.5px;
  font-weight:700;
  color:var(--ink);
  line-height:1.6;
  position:relative;
}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--brand);
  transform:scaleY(0);
  transform-origin:center;
  transition:transform .22s var(--ease);
}
.faq-item.is-open .faq-q::before{transform:scaleY(1);}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  position:relative;
  transition:transform .22s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  top:50%;left:50%;
  background:var(--brand);
  border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s var(--ease);
}
.faq-a-inner{
  padding:0 22px 22px 22px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--muted);
}

/* ============ CTA 区 ============ */
.cta-band{
  background:var(--ink);
  color:#fff;
  padding:78px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  top:-140px;left:-80px;
  width:460px;height:460px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(232,85,43,.26) 0%,rgba(232,85,43,0) 70%);
  pointer-events:none;
}
.cta-grid{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,6fr) minmax(0,5fr);
  gap:56px;
  align-items:center;
}
.cta-grid h2{
  font-size:clamp(24px,3vw,36px);
  font-weight:700;
  line-height:1.32;
  letter-spacing:-.4px;
  color:#fff;
  margin-bottom:16px;
}
.cta-grid p{
  font-size:15.5px;
  line-height:1.8;
  color:rgba(255,255,255,.72);
  max-width:520px;
}
.cta-form{display:flex;flex-direction:column;gap:12px;}
.cta-input-row{display:flex;gap:12px;}
.cta-input-row input{
  flex:1 1 auto;
  min-width:0;
  height:52px;
  border-radius:var(--radius-input);
  border:1px solid transparent;
  background:#fff;
  padding:0 18px;
  font-size:15px;
  color:var(--ink);
  outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.cta-input-row input::placeholder{color:var(--placeholder);}
.cta-input-row input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,85,43,.24);}
.cta-input-row .btn{height:52px;padding:0 28px;flex:0 0 auto;}
.cta-input-row input.is-error{border-color:#E8552B;box-shadow:0 0 0 3px rgba(232,85,43,.18);}
.cta-hint{font-size:13px;color:rgba(255,255,255,.55);}
.cta-msg{font-size:13px;color:#FFB39B;min-height:18px;}
.cta-msg.is-ok{color:#8FE3CE;}

/* ============ 页脚 ============ */
.site-footer{
  background:#0E1013;
  color:rgba(255,255,255,.66);
  padding:64px 0 0;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,2.4fr) minmax(0,2.4fr) minmax(0,3fr);
  gap:44px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-text em{color:var(--brand);}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.58);
  max-width:340px;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:.3px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  color:rgba(255,255,255,.62);
  font-size:14.5px;
  transition:color .18s var(--ease),padding-left .18s var(--ease);
}
.footer-col a:hover{color:var(--brand);padding-left:4px;}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  color:rgba(255,255,255,.62);
  line-height:1.7;
}
.footer-contact svg{width:16px;height:16px;margin-top:5px;color:var(--brand);flex:0 0 auto;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.42);
}
.footer-bottom a{color:rgba(255,255,255,.5);}
.footer-bottom a:hover{color:var(--brand);}

/* ============ 进场动效 ============ */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}
.reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  .header-inner{gap:16px;}
  .main-nav{gap:15px;}
  .nav-link{font-size:14.5px;}
  .brand-text{font-size:18px;}
  .search-wrap{max-width:320px;}
  .hero-grid{gap:40px;}
  .belief-grid,.story-row,.cta-grid{gap:40px;}
}

@media screen and (max-width:991px){
  :root{
    --sec-desktop:var(--sec-tablet);
  }
  .section{padding:var(--sec-tablet) 0;}
  .search-wrap,.main-nav{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .header-inner{min-height:66px;}
  .hero{padding:52px 0 56px;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:44px;}
  .hero-visual{max-width:560px;}
  .hero-float{right:0;bottom:-22px;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat{padding:26px 22px;border-left:0;border-top:1px solid var(--line);}
  .stat:nth-child(1),.stat:nth-child(2){border-top:0;padding-top:30px;}
  .stat:nth-child(odd){border-right:1px solid var(--line);padding-left:0;}
  .belief-grid{grid-template-columns:minmax(0,1fr);gap:36px;}
  .story-row,.story-row.reverse{grid-template-columns:minmax(0,1fr);gap:28px;}
  .story-row.reverse .story-media,.story-row.reverse .story-text{order:0;}
  .story-media{max-width:620px;}
  .story-row + .story-row{margin-top:56px;}
  .card--feature{flex-direction:column;}
  .card--feature .card-thumb,.card--feature .card-body{width:100%;}
  .card--feature .card-thumb{aspect-ratio:16/10;min-height:0;}
  .card--feature .card-body{padding:24px 22px 26px;}
  .news-item{grid-template-columns:150px minmax(0,1fr) 130px;gap:18px;}
  .logo-wall{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px;}
}

@media screen and (max-width:767px){
  :root{
    --sec-desktop:var(--sec-mobile);
    --sec-tablet:var(--sec-mobile);
  }
  body{font-size:16px;}
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:var(--sec-mobile) 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:30px;}
  .hero{padding:40px 0 48px;}
  .hero h1{font-size:clamp(28px,7.4vw,36px);}
  .hero h1 .hl{white-space:normal;}
  .hero-sub{font-size:15.5px;margin-bottom:24px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 auto;min-width:140px;}
  .hero-trust{gap:14px;flex-direction:column;align-items:flex-start;}
  .hero-float{position:static;width:100%;margin-top:14px;}
  .stat{padding:22px 16px;}
  .stat-num{font-size:26px;}
  .belief-item{padding-left:16px;}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
  .card--feature{grid-column:span 1;}
  .news-item{grid-template-columns:minmax(0,1fr);gap:0;padding:18px 4px;}
  .news-thumb{aspect-ratio:16/9;margin-bottom:14px;border-radius:10px;}
  .news-body h3{white-space:normal;font-size:16.5px;}
  .news-meta{flex-direction:row;align-items:center;justify-content:flex-start;gap:14px;margin-top:12px;}
  .logo-wall{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:38px;}
  .logo-chip{height:58px;font-size:13.5px;}
  .quote-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
  .faq-q{font-size:15.5px;padding:17px 18px;}
  .faq-a-inner{padding:0 18px 18px;}
  .cta-band{padding:54px 0;}
  .cta-input-row{flex-direction:column;}
  .cta-input-row .btn{width:100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}

@media screen and (max-width:520px){
  .stat-num small{font-size:13px;}
  .logo-wall{grid-template-columns:minmax(0,1fr);}
  .pagination a,.pagination span{min-width:38px;height:38px;font-size:13px;}
}

/* roulang page: article */
:root{
  --brand:#E8552B;
  --brand-dark:#cf4620;
  --accent:#0F7A6B;
  --accent-soft:rgba(15,122,107,.12);
  --ink:#14161A;
  --bg:#F7F5F2;
  --card:#FFFFFF;
  --line:#E4E0DA;
  --text:#2B2F36;
  --muted:#5A5F66;
  --faint:#8A8F96;
  --r-card:14px;
  --r-btn:10px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(20,22,26,.06);
  --sh-2:0 10px 28px rgba(20,22,26,.12);
  --sh-3:0 18px 48px rgba(20,22,26,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec-desktop:88px;
  --sec-tablet:64px;
  --sec-mobile:48px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--text);text-decoration:none;transition:color .18s var(--ease);}
a:hover,a:focus{color:var(--brand);}
a:visited{color:var(--text);}
a:visited:hover{color:var(--brand);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.3px;}
p{margin:0 0 1.2em;max-width:720px;}
input,textarea,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

.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;
  padding:14px 28px;border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  min-height:46px;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover,.btn-primary:focus{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover,.btn-ghost:focus{background:rgba(232,85,43,.08);color:var(--brand);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:10px 18px;font-size:14px;min-height:40px;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent);
  font-size:13px;font-weight:600;line-height:1.5;
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.badge:hover{background:var(--accent);color:#fff;}
.badge-brand{background:rgba(232,85,43,.1);color:var(--brand);}
.badge-brand:hover{background:var(--brand);color:#fff;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-stuck{border-bottom:1px solid var(--line);box-shadow:0 1px 0 var(--line);}
.header-inner{display:flex;align-items:center;gap:20px;min-height:78px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),#f0803f);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(232,85,43,.28);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.4px;white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--brand);}

.search-wrap{flex:1 1 auto;display:flex;justify-content:center;}
.search-box{
  position:relative;display:flex;align-items:center;
  width:100%;max-width:520px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-input);
  padding:4px 4px 4px 40px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-box .icon-search{
  position:absolute;left:13px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:var(--faint);
}
.search-box input{
  flex:1 1 auto;border:0;background:transparent;outline:none;
  padding:10px 8px;font-size:14.5px;color:var(--text);
}
.search-box input::placeholder{color:#9AA0A6;}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 3px 12px rgba(232,85,43,.12);}
.search-btn{
  border:0;background:var(--brand);color:#fff;font-weight:700;font-size:14px;
  padding:11px 20px;border-radius:9px;cursor:pointer;
  transition:background-color .18s var(--ease);
}
.search-btn:hover{background:var(--brand-dark);}

.main-nav{display:flex;align-items:center;gap:22px;flex:0 0 auto;}
.nav-link{position:relative;font-size:15px;font-weight:600;color:var(--text);padding:6px 0;white-space:nowrap;}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .18s var(--ease);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{color:var(--brand);border-color:var(--brand);}
.nav-cta::after{display:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;position:relative;cursor:pointer;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;top:50%;width:18px;height:2px;background:var(--ink);
  transform:translate(-50%,-50%);border-radius:2px;transition:transform .2s var(--ease);
}
.nav-toggle span::before{content:"";left:0;top:-6px;transform:none;}
.nav-toggle span::after{content:"";left:0;top:6px;transform:none;}

/* ---------- article hero ---------- */
.page-hero{padding:44px 0 8px;background:var(--bg);}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--faint);margin-bottom:20px;}
.breadcrumb a{color:var(--faint);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#C6C1BA;}
.breadcrumb .current{color:var(--brand);font-weight:600;}
.article-head{max-width:900px;}
.article-head h1{
  font-size:clamp(28px,3.4vw,40px);
  font-weight:800;line-height:1.3;letter-spacing:-.5px;
  margin:16px 0 18px;
}
.entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13px;color:var(--faint);}
.entry-meta span{display:inline-flex;align-items:center;gap:6px;}
.entry-meta svg{width:15px;height:15px;}

/* ---------- article layout ---------- */
.article-section{padding:36px 0 var(--sec-desktop);background:var(--bg);}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start;}
.article-main{min-width:0;}

.cover-figure{margin:0 0 28px;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);background:#fff;}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.cover-figure figcaption{font-size:13px;color:var(--faint);text-align:center;padding:10px 14px;}

.toc{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;margin-bottom:26px;box-shadow:var(--sh-1);
}
.toc h2{font-size:15px;font-weight:700;letter-spacing:0;margin-bottom:12px;display:flex;align-items:center;gap:8px;}
.toc h2::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand);}
.toc ol{counter-reset:toc;display:grid;gap:8px;}
.toc li{counter-increment:toc;font-size:14.5px;}
.toc li a{display:inline-flex;gap:8px;color:var(--muted);}
.toc li a::before{content:counter(toc) ".";color:var(--brand);font-weight:700;}
.toc li a:hover{color:var(--brand);}

.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:36px clamp(20px,3.4vw,48px);
}
.article-content{max-width:720px;margin:0 auto;}
.article-content > *:first-child{margin-top:0;}
.article-content p{font-size:17px;line-height:1.9;color:#33383F;margin:0 0 1.2em;}
.article-content h2{
  font-size:clamp(21px,2.2vw,26px);font-weight:700;line-height:1.4;
  margin:40px 0 16px;padding-left:14px;position:relative;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;background:var(--brand);
}
.article-content h3{font-size:20px;font-weight:700;margin:30px 0 12px;}
.article-content h4{font-size:17px;font-weight:700;margin:24px 0 10px;}
.article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:2px;}
.article-content ul li,.article-content ol li{position:relative;padding-left:22px;margin-bottom:9px;font-size:16.5px;line-height:1.85;color:#33383F;}
.article-content ul li::before{
  content:"";position:absolute;left:2px;top:.62em;width:7px;height:7px;border-radius:2px;background:var(--brand);
}
.article-content ol{counter-reset:oc;}
.article-content ol li{counter-increment:oc;}
.article-content ol li::before{
  content:counter(oc);position:absolute;left:0;top:.05em;width:18px;height:18px;border-radius:5px;
  background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.article-content blockquote{
  margin:26px 0;padding:20px 22px;border-left:4px solid var(--accent);
  background:#FBFAF8;border-radius:0 12px 12px 0;color:var(--muted);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:12px;margin:22px 0;box-shadow:var(--sh-1);}
.article-content figure{margin:24px 0;}
.article-content figcaption{font-size:13px;color:var(--faint);text-align:center;margin-top:10px;}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;border:1px solid var(--line);border-radius:12px;overflow:hidden;}
.article-content thead th{background:#F1EFEC;color:var(--ink);font-weight:700;text-align:left;}
.article-content th,.article-content td{padding:12px 14px;border-bottom:1px solid var(--line);}
.article-content tbody tr:nth-child(even){background:#FBFAF8;}
.article-content tbody tr:last-child td{border-bottom:0;}
.article-content code{
  background:#F1EFEC;border-radius:6px;padding:2px 7px;font-size:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#3B4048;
}
.article-content pre{
  background:#F1EFEC;border-radius:12px;padding:18px 20px;overflow:auto;margin:22px 0;
}
.article-content pre code{background:transparent;padding:0;}
.article-content hr{border:0;border-top:1px solid var(--line);margin:34px 0;}

.empty-state{
  text-align:center;padding:56px 20px;border:1px dashed var(--line);border-radius:var(--r-card);background:#FBFAF8;
}
.empty-state svg{width:52px;height:52px;color:var(--faint);margin:0 auto 16px;}
.empty-state h2{font-size:20px;font-weight:700;margin-bottom:8px;}
.empty-state p{color:var(--muted);font-size:15px;max-width:420px;margin:0 auto 20px;}

/* ---------- article footer tools ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line);}
.tag-row .label{font-size:13px;color:var(--faint);font-weight:600;}
.tag{display:inline-block;padding:6px 14px;border-radius:999px;background:#F1EFEC;color:var(--muted);font-size:13px;transition:all .18s var(--ease);}
.tag:hover{background:var(--accent-soft);color:var(--accent);}

.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px;}
.share-row .label{font-size:13px;color:var(--faint);font-weight:600;}
.copy-btn{
  display:inline-flex;align-items:center;gap:8px;
  border:1.5px solid var(--line);background:#fff;color:var(--muted);
  padding:10px 18px;border-radius:var(--r-btn);font-size:14px;font-weight:600;cursor:pointer;
  min-height:44px;transition:all .18s var(--ease);
}
.copy-btn svg{width:16px;height:16px;}
.copy-btn:hover{border-color:var(--brand);color:var(--brand);}
.copy-btn.is-done{background:var(--brand);border-color:var(--brand);color:#fff;}

.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:34px;}
.post-nav a{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-1);transition:all .2s var(--ease);
}
.post-nav a:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d8d3cc;}
.post-nav small{display:block;font-size:12.5px;color:var(--faint);margin-bottom:8px;}
.post-nav strong{display:block;font-size:16px;font-weight:700;color:var(--ink);line-height:1.5;}
.post-nav a:hover strong{color:var(--brand);}

/* ---------- sidebar ---------- */
.sidebar{position:sticky;top:98px;display:grid;gap:22px;}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px;}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:14px;padding-left:12px;position:relative;}
.side-card h3::before{content:"";position:absolute;left:0;top:.25em;bottom:.25em;width:3px;border-radius:2px;background:var(--brand);}
.side-list li + li{border-top:1px solid var(--line);}
.side-list a{display:block;padding:12px 0;font-size:14.5px;font-weight:600;color:var(--text);}
.side-list a span{display:block;font-size:12.5px;font-weight:400;color:var(--faint);margin-top:4px;line-height:1.6;}
.side-list a:hover{color:var(--brand);}
.side-cta{background:var(--ink);border-color:var(--ink);color:#fff;}
.side-cta h3{color:#fff;}
.side-cta h3::before{background:var(--brand);}
.side-cta p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.75;margin-bottom:16px;max-width:none;}
.side-cta .btn{width:100%;}
.side-thumb{border-radius:12px;overflow:hidden;margin-bottom:14px;}
.side-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}

/* ---------- related ---------- */
.related{padding:var(--sec-desktop) 0;background:#fff;border-top:1px solid var(--line);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;}
.sec-head p{font-size:14.5px;color:var(--muted);margin:8px 0 0;max-width:620px;}
.sec-head .more{font-size:14.5px;font-weight:700;color:var(--brand);white-space:nowrap;display:inline-flex;align-items:center;gap:6px;}
.sec-head .more svg{width:15px;height:15px;transition:transform .2s var(--ease);}
.sec-head .more:hover svg{transform:translateX(4px);}

.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);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d8d3cc;}
.card-thumb{overflow:hidden;background:#F1EFEC;}
.card-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s var(--ease);}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-body .badge{align-self:flex-start;margin-bottom:12px;}
.card-body h3{font-size:17px;font-weight:700;line-height:1.55;margin-bottom:10px;}
.card:hover .card-body h3{color:var(--brand);}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.75;margin:0 0 16px;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--faint);}
.card-foot .arrow{color:var(--brand);display:inline-flex;align-items:center;gap:4px;font-weight:700;transition:transform .2s var(--ease);}
.card:hover .card-foot .arrow{transform:translateX(4px);}

/* ---------- cta band ---------- */
.cta-band{background:var(--ink);color:#fff;padding:var(--sec-desktop) 0;}
.cta-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;}
.cta-inner h2{color:#fff;font-size:clamp(23px,2.8vw,32px);font-weight:700;line-height:1.35;}
.cta-inner p{color:rgba(255,255,255,.7);font-size:15.5px;margin:14px 0 0;max-width:520px;}
.cta-form{display:flex;flex-wrap:wrap;gap:12px;}
.cta-form input{
  flex:1 1 240px;background:#fff;border:1.5px solid #fff;border-radius:var(--r-input);
  padding:14px 16px;color:var(--text);outline:none;min-height:50px;
  transition:box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.cta-form input::placeholder{color:#9AA0A6;}
.cta-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,85,43,.22);}
.cta-note{font-size:12.5px;color:rgba(255,255,255,.55);margin-top:12px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{color:rgba(255,255,255,.62);font-size:14px;line-height:1.8;max-width:320px;margin:0;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{color:rgba(255,255,255,.68);font-size:14.5px;}
.footer-col a:hover{color:var(--brand);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.62);line-height:1.7;}
.footer-contact svg{width:17px;height:17px;flex:0 0 auto;margin-top:3px;color:var(--brand);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.48);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:30px;}
  .header-inner{gap:16px;}
  .main-nav{gap:16px;}
}
@media (max-width:991px){
  .header-inner{flex-wrap:wrap;min-height:auto;padding-top:12px;padding-bottom:12px;}
  .search-wrap{order:3;flex:1 1 100%;margin-top:12px;}
  .search-box{max-width:none;}
  .nav-toggle{display:block;margin-left:auto;}
  .main-nav{
    order:4;flex:1 1 100%;display:none;flex-direction:column;align-items:stretch;gap:0;
    padding:8px 0 4px;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px;}
  .nav-link::after{display:none;}
  .nav-cta{margin:14px 0 6px;width:100%;justify-content:center;border-width:1.5px;}
  .article-layout{grid-template-columns:1fr;}
  .sidebar{position:static;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .related,.article-section,.cta-band{padding-top:var(--sec-tablet);}
  .article-section{padding-bottom:var(--sec-tablet);}
  .related{padding-bottom:var(--sec-tablet);}
  .cta-band{padding-bottom:var(--sec-tablet);}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  body{font-size:16px;}
  .article-section,.related,.cta-band{padding-top:var(--sec-mobile);padding-bottom:var(--sec-mobile);}
  .page-hero{padding-top:26px;}
  .article-card{padding:24px 18px;border-radius:12px;}
  .article-content p{font-size:16px;}
  .article-content ul li,.article-content ol li{font-size:15.5px;}
  .card-grid{grid-template-columns:1fr;}
  .post-nav{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .btn{width:100%;}
  .share-row .copy-btn,.tag-row{width:100%;}
  .copy-btn{width:100%;justify-content:center;}
  .sec-head{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --c-primary:#E8552B;
  --c-primary-soft:rgba(232,85,43,.1);
  --c-secondary:#0F7A6B;
  --c-secondary-soft:rgba(15,122,107,.1);
  --c-ink:#14161A;
  --c-body:#2B2F36;
  --c-muted:#5A5F66;
  --c-faint:#8A8F96;
  --c-bg:#F7F5F2;
  --c-card:#FFFFFF;
  --c-line:#E4E0DA;
  --r-card:14px;
  --r-btn:10px;
  --r-input:12px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,22,26,.06);
  --sh-2:0 10px 28px rgba(20,22,26,.12);
  --sh-3:0 18px 48px rgba(20,22,26,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sp:88px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-locked{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:var(--c-body);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--c-primary)}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
input,button{font-family:inherit;font-size:inherit;margin:0}
button{background:none;border:0;padding:0;cursor:pointer;color:inherit}
::selection{background:rgba(232,85,43,.18)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:15px;line-height:1.2;
  padding:14px 28px;min-height:44px;
  border-radius:var(--r-btn);border:1.5px solid transparent;
  cursor:pointer;text-align:center;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  background:transparent;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(232,85,43,.22)}
.btn-primary:hover{background:#F0632F;color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(232,85,43,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(232,85,43,.24)}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:#fff}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{border-color:var(--c-line);color:var(--c-body);background:#fff}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary)}
.btn-sm{padding:9px 18px;font-size:14px;min-height:38px}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px}

.tag{
  display:inline-block;font-size:12.5px;font-weight:600;line-height:1.6;
  color:var(--c-secondary);background:var(--c-secondary-soft);
  border-radius:999px;padding:4px 12px;
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.tag:hover{background:var(--c-secondary);color:#fff}
.tag-accent{color:var(--c-primary);background:var(--c-primary-soft)}
.tag-accent:hover{background:var(--c-primary);color:#fff}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.95);
  backdrop-filter:saturate(160%) blur(10px);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:0 6px 20px rgba(20,22,26,.04)}
.header-inner{display:flex;align-items:center;gap:22px;min-height:76px}

.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-.3px;color:var(--c-ink);white-space:nowrap}
.brand:hover{color:var(--c-ink)}
.brand-mark{
  width:38px;height:38px;flex:0 0 auto;border-radius:11px;
  background:linear-gradient(140deg,#E8552B,#B93212);
  display:grid;place-items:center;
  box-shadow:0 6px 16px rgba(232,85,43,.28);
}
.brand-mark svg{width:22px;height:22px;display:block}
.brand-text em{font-style:normal;color:var(--c-primary)}

.search-wrap{flex:1 1 auto;max-width:400px;margin:0 auto}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-input);
  padding:4px 4px 4px 12px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 3px 12px rgba(232,85,43,.12)}
.icon-search{width:18px;height:18px;flex:0 0 auto;color:var(--c-faint)}
.search-box input{
  flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;
  font-size:14px;line-height:1.5;padding:9px 0;color:var(--c-ink);
}
.search-box input::placeholder{color:#9AA0A6}
.search-btn{
  flex:0 0 auto;border-radius:9px;background:var(--c-primary);color:#fff;
  font-size:14px;font-weight:700;padding:9px 16px;min-height:38px;
  transition:background-color .18s var(--ease);
}
.search-btn:hover{background:#F0632F}

.main-nav{display:flex;align-items:center;gap:20px;margin-left:auto}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--c-body);
  padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .18s var(--ease);
}
.nav-link:hover,.nav-link.is-active{color:var(--c-primary)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-cta{margin-left:4px}

.nav-toggle{
  display:none;width:44px;height:44px;flex:0 0 auto;
  border:1px solid var(--c-line);border-radius:12px;background:#fff;
  position:relative;appearance:none;
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;top:50%;height:2px;border-radius:2px;
  background:var(--c-ink);transform:translateY(-1px);
  transition:background-color .2s var(--ease);
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;right:0;height:2px;border-radius:2px;
  background:var(--c-ink);
  transition:transform .22s var(--ease),top .22s var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg)}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg)}

.nav-scrim{
  position:fixed;inset:0;background:rgba(20,22,26,.45);
  opacity:0;visibility:hidden;z-index:55;
  transition:opacity .22s var(--ease),visibility .22s var(--ease);
}
.nav-scrim.is-open{opacity:1;visibility:visible}

/* ---------- hero ---------- */
.page-hero{
  background:linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%);
  padding:52px 0 76px;
  border-bottom:1px solid var(--c-line);
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-faint);margin-bottom:18px}
.breadcrumb a{color:var(--c-faint)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb span.sep{color:#C7C2BA}
.breadcrumb .current{color:var(--c-primary);font-weight:600}

.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}
.hero-eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.04em;
  color:var(--c-primary);background:var(--c-primary-soft);
  border-radius:999px;padding:5px 14px;margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,50px);font-weight:800;line-height:1.15;
  letter-spacing:-.6px;color:var(--c-ink);margin-bottom:20px;
}
.page-hero h1 mark{background:none;color:var(--c-primary)}
.hero-lead{font-size:17px;line-height:1.85;color:var(--c-muted);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-meta{display:flex;flex-wrap:wrap;gap:24px;margin-top:30px;padding-top:24px;border-top:1px solid var(--c-line)}
.hero-meta li{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--c-body)}
.hero-meta svg{width:18px;height:18px;color:var(--c-secondary);flex:0 0 auto}

.hero-media{position:relative}
.hero-frame{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  aspect-ratio:16/10;background:var(--c-ink);box-shadow:var(--sh-2);
}
.hero-frame img{width:100%;height:100%;object-fit:cover}
.hero-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,22,26,0) 38%,rgba(20,22,26,.6) 100%);
}
.hero-frame figcaption{
  position:absolute;left:22px;right:22px;bottom:20px;z-index:2;
  color:#fff;font-size:14.5px;font-weight:600;letter-spacing:.01em;
}
.float-card{
  position:absolute;right:-16px;bottom:-26px;width:224px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-img);
  padding:10px;box-shadow:var(--sh-2);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.float-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.float-card img{border-radius:8px;aspect-ratio:3/2;object-fit:cover;width:100%}
.float-card strong{display:block;font-size:13.5px;color:var(--c-ink);margin-top:8px;line-height:1.5}
.float-card span{display:block;font-size:12px;color:var(--c-faint);line-height:1.5}

/* ---------- stats ---------- */
.stats{background:#fff;border-bottom:1px solid var(--c-line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:26px 24px;border-left:1px solid var(--c-line)}
.stat:first-child{border-left:0}
.stat-num{
  font-size:30px;font-weight:800;line-height:1.2;color:var(--c-primary);
  letter-spacing:-.5px;font-family:"DIN Alternate","Roboto Condensed",var(--font);
}
.stat-label{font-size:13px;color:var(--c-faint);margin-top:4px}

/* ---------- anchor bar ---------- */
.anchor-bar{background:#fff;border-bottom:1px solid var(--c-line);padding:14px 0;position:relative;z-index:5}
.anchor-list{display:flex;gap:10px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.anchor-list::-webkit-scrollbar{display:none}
.anchor-list a{
  flex:0 0 auto;font-size:14px;font-weight:600;color:var(--c-muted);
  border:1px solid var(--c-line);border-radius:999px;padding:7px 16px;
  transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.anchor-list a:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-soft)}

/* ---------- sections ---------- */
.section{padding:var(--sp) 0}
.section--white{background:#fff}
.section--ink{background:var(--c-ink);color:rgba(255,255,255,.72)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{
  font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.25;
  letter-spacing:-.4px;color:var(--c-ink);margin-bottom:14px;
}
.section-head p{font-size:15px;line-height:1.75;color:var(--c-muted)}
.section--ink .section-head h2{color:#fff}
.section--ink .section-head p{color:rgba(255,255,255,.7)}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DBD5CC}
.card-media{aspect-ratio:16/10;overflow:hidden;background:#EFEDEA}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:19px;font-weight:700;line-height:1.4;color:var(--c-ink)}
.card-body p{font-size:15px;line-height:1.75;color:var(--c-muted)}
.card-foot{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--c-primary)}
.card-foot svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.card:hover .card-foot svg{transform:translateX(4px)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  position:relative;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step::before{
  content:"";position:absolute;left:22px;right:22px;top:0;height:3px;border-radius:0 0 3px 3px;
  background:linear-gradient(90deg,var(--c-primary),rgba(232,85,43,.15));
}
.step-num{
  width:38px;height:38px;border-radius:10px;margin-bottom:16px;
  display:grid;place-items:center;
  font-size:15px;font-weight:800;color:var(--c-primary);
  background:var(--c-primary-soft);
}
.step h3{font-size:17px;font-weight:700;color:var(--c-ink);margin-bottom:8px}
.step p{font-size:14.5px;line-height:1.75;color:var(--c-muted)}

/* ---------- points ---------- */
.point-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.point{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.point:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#DBD5CC}
.point-num{
  flex:0 0 auto;width:40px;height:40px;border-radius:10px;
  display:grid;place-items:center;
  font-size:15px;font-weight:800;color:var(--c-primary);
  border:1.5px solid rgba(232,85,43,.35);
}
.point h3{font-size:17px;font-weight:700;color:var(--c-ink);margin-bottom:6px}
.point p{font-size:14.5px;line-height:1.75;color:var(--c-muted)}

/* ---------- feature rows ---------- */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.feature-row + .feature-row{margin-top:64px}
.feature-media{border-radius:var(--r-img);overflow:hidden;aspect-ratio:4/3;background:#EFEDEA;box-shadow:var(--sh-1)}
.feature-media img{width:100%;height:100%;object-fit:cover}
.feature-text{padding-left:22px;border-left:4px solid var(--c-primary)}
.feature-text h3{font-size:22px;font-weight:700;color:var(--c-ink);line-height:1.35;margin-bottom:14px}
.feature-text p{font-size:16px;line-height:1.85;color:var(--c-muted)}
.feature-text ul{margin-top:18px;display:grid;gap:10px}
.feature-text li{position:relative;padding-left:18px;font-size:15px;color:var(--c-body)}
.feature-text li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;
  border-radius:2px;background:var(--c-primary);
}
.feature-row--rev .feature-text{padding-left:0;padding-right:22px;border-left:0;border-right:4px solid var(--c-secondary)}
.feature-row--rev .feature-text h3{color:var(--c-ink)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{border-color:rgba(232,85,43,.4);box-shadow:var(--sh-1)}
.faq-q{
  display:block;position:relative;cursor:pointer;list-style:none;
  padding:20px 58px 20px 22px;
  font-size:16.5px;font-weight:700;color:var(--c-ink);
  transition:color .2s var(--ease);
}
.faq-q::-webkit-details-marker{display:none}
.faq-q::after{
  content:"";position:absolute;right:26px;top:50%;
  width:11px;height:11px;border-right:2px solid var(--c-faint);border-bottom:2px solid var(--c-faint);
  transform:translateY(-72%) rotate(45deg);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.faq-item[open] .faq-q{color:var(--c-primary)}
.faq-item[open] .faq-q::after{border-color:var(--c-primary);transform:translateY(-28%) rotate(-135deg)}
.faq-a{
  margin:0 22px 22px;padding-left:18px;
  border-left:3px solid var(--c-primary);
  font-size:15.5px;line-height:1.8;color:var(--c-muted);
}

/* ---------- cta ---------- */
.cta-band{position:relative;background:var(--c-ink);color:#fff;padding:76px 0;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(680px 320px at 12% 0%,rgba(232,85,43,.3),transparent 68%),
             radial-gradient(520px 280px at 92% 100%,rgba(15,122,107,.28),transparent 70%);
}
.cta-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.cta-band h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;color:#fff;letter-spacing:-.4px}
.cta-band p{margin-top:14px;font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.72);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-band .btn-outline{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.7);padding:64px 0 28px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand .brand{color:#fff}
.footer-brand .brand:hover{color:#fff}
.footer-brand p{margin-top:16px;max-width:340px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(255,255,255,.66);font-size:14.5px}
.footer-col a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.66);line-height:1.7}
.footer-contact svg{width:17px;height:17px;flex:0 0 auto;margin-top:5px;color:var(--c-primary)}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(255,255,255,.48);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .header-inner{gap:16px}
  .main-nav{gap:15px}
  .nav-link{font-size:14.5px}
  .search-wrap{max-width:330px}
  .hero-grid{gap:40px}
}

@media (max-width:991px){
  :root{--sp:64px}
  .nav-toggle{display:block;order:3;margin-left:auto}
  .header-inner{flex-wrap:wrap;min-height:68px;padding-top:10px;padding-bottom:10px}
  .search-wrap{order:4;flex:1 0 100%;max-width:none;margin:0;padding-bottom:4px}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;z-index:80;
    width:min(320px,86vw);margin:0;padding:92px 22px 28px;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    transform:translateX(103%);overflow-y:auto;
    box-shadow:var(--sh-3);
    transition:transform .24s var(--ease);
  }
  .main-nav.is-open{transform:translateX(0)}
  .nav-link{padding:15px 2px;font-size:16px;border-bottom:1px solid var(--c-line)}
  .nav-link::after{display:none}
  .nav-cta{margin:20px 0 0;width:100%}

  .hero-grid{grid-template-columns:1fr;gap:34px}
  .float-card{right:12px;bottom:12px;width:190px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .feature-row{grid-template-columns:1fr;gap:28px}
  .feature-row + .feature-row{margin-top:48px}
  .feature-row--rev .feature-text{padding-right:0;padding-left:18px;border-right:0;border-left:4px solid var(--c-secondary)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .cta-grid{grid-template-columns:1fr;gap:28px}
  .cta-actions{justify-content:flex-start}
}

@media (max-width:767px){
  :root{--sp:48px}
  .container{padding:0 18px}
  body{font-size:15.5px}
  .page-hero{padding:36px 0 56px}
  .hero-lead{font-size:16px}
  .hero-actions{gap:12px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-meta{gap:14px 20px;margin-top:24px;padding-top:20px}
  .hero-meta li{font-size:13.5px}
  .float-card{position:static;width:100%;margin-top:14px;display:flex;gap:12px;align-items:center;right:auto;bottom:auto}
  .float-card img{width:96px;flex:0 0 auto;aspect-ratio:3/2}
  .float-card strong{margin-top:0}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat{padding:20px 18px}
  .stat:nth-child(odd){border-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--c-line)}
  .stat-num{font-size:24px}
  .card-grid{grid-template-columns:1fr;gap:16px}
  .steps{grid-template-columns:1fr;gap:16px}
  .point-grid{grid-template-columns:1fr;gap:16px}
  .point{padding:20px}
  .faq-q{padding:17px 48px 17px 18px;font-size:15.5px}
  .faq-a{margin:0 18px 18px;padding-left:14px;font-size:15px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:56px 0}
  .cta-actions .btn{flex:1 1 100%}
  .footer-bottom{flex-direction:column;gap:6px}
}

/* roulang page: category2 */
:root{
  --brand:#E8552B;
  --brand-dark:#C9411B;
  --brand-soft:rgba(232,85,43,.08);
  --accent:#0F7A6B;
  --accent-soft:rgba(15,122,107,.10);
  --ink:#14161A;
  --paper:#F7F5F2;
  --card:#FFFFFF;
  --line:#E4E0DA;
  --text:#2B2F36;
  --body:#3A3F46;
  --muted:#5A5F66;
  --dim:#8A8F96;
  --r-card:14px;
  --r-btn:10px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,22,26,.06);
  --sh-2:0 10px 28px rgba(20,22,26,.12);
  --sh-3:0 18px 48px rgba(20,22,26,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;border-radius:12px}
a{color:var(--text);text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease)}
a:hover{color:var(--brand)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.2;letter-spacing:-.5px;font-weight:700}
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}
figure{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;border:1.5px solid transparent;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(232,85,43,.24)}
.btn-primary:hover{background:#F06336;color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(232,85,43,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(232,85,43,.24)}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand);transform:translateY(-2px)}
.btn-outline-light{border-color:rgba(255,255,255,.5);color:#fff;background:transparent}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.btn-sm{min-height:38px;padding:9px 18px;font-size:14px}

/* 头部 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(20,22,26,.05)}
.header-inner{display:flex;align-items:center;gap:22px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:34px;height:34px;flex:0 0 auto;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,#E8552B,#B93A17);box-shadow:0 6px 16px rgba(232,85,43,.28);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-weight:800;font-size:20px;letter-spacing:-.3px;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--brand)}
.search-wrap{flex:1 1 auto;display:flex;justify-content:center;max-width:520px;margin:0 auto}
.search-box{
  position:relative;display:flex;align-items:center;width:100%;height:44px;
  border:1px solid var(--line);border-radius:var(--r-input);background:#fff;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 3px 12px rgba(232,85,43,.12)}
.icon-search{width:18px;height:18px;margin-left:14px;color:var(--dim);flex:0 0 auto}
.search-box input{flex:1 1 auto;height:100%;min-width:0;border:0;background:transparent;padding:0 12px;font-size:14.5px;color:var(--text);outline:none}
.search-box input::placeholder{color:#9AA0A6}
.search-btn{height:34px;margin-right:5px;padding:0 16px;border-radius:8px;background:var(--brand);color:#fff;font-size:14px;font-weight:700;transition:background-color .18s var(--ease)}
.search-btn:hover{background:#F06336}
.main-nav{display:flex;align-items:center;gap:6px;flex:0 0 auto}
.nav-link{position:relative;padding:8px 10px;font-size:15px;font-weight:500;color:var(--text);white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:10px;right:10px;bottom:3px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .18s var(--ease);
}
.nav-link:hover,.nav-link.is-active{color:var(--brand)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-cta{margin-left:8px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff}
.nav-toggle span{display:block;position:relative;width:20px;height:2px;border-radius:2px;background:var(--text);transition:background-color .2s var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s var(--ease),top .2s var(--ease)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.site-header.is-open .nav-toggle span{background:transparent}
.site-header.is-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
.site-header.is-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}
body.nav-open{overflow:hidden}
body.nav-open::after{content:"";position:fixed;inset:0;z-index:40;background:rgba(20,22,26,.45)}

/* 页面头部 */
.page-hero{padding:60px 0 72px;background:linear-gradient(180deg,#FFFFFF 0%,var(--paper) 100%);border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--dim);margin-bottom:22px}
.breadcrumb a{color:var(--dim)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#C9C4BC}
.breadcrumb .current{color:var(--brand);font-weight:600}
.hero-center{max-width:860px;margin:0 auto;text-align:center}
.hero-center h1{font-size:clamp(30px,4.6vw,50px);font-weight:800;letter-spacing:-.5px;line-height:1.16}
.hero-center h1 .hl{color:var(--accent)}
.hero-sub{margin:20px auto 0;max-width:700px;font-size:17px;line-height:1.8;color:var(--muted)}
.hero-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:22px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);background:var(--accent-soft);color:var(--accent);font-size:13.5px;font-weight:600;transition:background-color .18s var(--ease),color .18s var(--ease)}
.badge:hover{background:var(--accent);color:#fff}
.badge-brand{background:var(--brand-soft);color:var(--brand-dark)}
.badge-brand:hover{background:var(--brand);color:#fff}
.hero-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;margin-top:48px}
.hero-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-1)}
.hero-panel h2{font-size:clamp(20px,2.2vw,24px)}
.hero-panel .lead{margin-top:14px;font-size:15.5px;line-height:1.9;color:var(--muted)}
.micro-list{margin-top:24px;display:grid;gap:12px}
.micro-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--muted)}
.micro-list svg{width:18px;height:18px;margin-top:5px;flex:0 0 auto;color:var(--accent)}
.hero-side{display:grid;gap:18px;align-content:start}
.hero-figure{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.hero-figure:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.hero-note{background:#fff;border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-1)}
.hero-note h3{font-size:17px}
.hero-note p{margin-top:8px;font-size:14.5px;line-height:1.85;color:var(--muted)}
.hero-note .stat-row{display:flex;flex-wrap:wrap;gap:22px;margin-top:16px}
.hero-note .stat-row div span{display:block;font-size:12.5px;color:var(--dim)}
.hero-note .stat-row div strong{font-size:20px;color:var(--brand);font-weight:800}

/* 目录 + 内容 */
.toc-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:48px;align-items:start}
.toc{position:sticky;top:100px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--sh-1)}
.toc h3{font-size:14px;letter-spacing:.6px;color:var(--dim);margin-bottom:14px}
.toc a{display:block;position:relative;padding:9px 10px 9px 14px;font-size:15px;color:var(--muted);border-radius:8px;transition:color .18s var(--ease),background-color .18s var(--ease)}
.toc a::before{content:"";position:absolute;left:0;top:13px;bottom:13px;width:3px;border-radius:2px;background:var(--line);transition:background-color .18s var(--ease)}
.toc a:hover{color:var(--accent);background:var(--accent-soft)}
.toc a:hover::before{background:var(--accent)}
.toc .toc-foot{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--dim);line-height:1.8}
.article-body .block{padding-bottom:38px;margin-bottom:38px;border-bottom:1px dashed var(--line)}
.article-body .block:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.article-body h2{position:relative;padding-left:16px;font-size:clamp(21px,2.4vw,27px);margin-bottom:16px}
.article-body h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--brand)}
.article-body p{font-size:16.5px;line-height:1.9;color:var(--body);max-width:720px}
.article-body p + p{margin-top:18px}
.article-body ul.dot{margin-top:18px;display:grid;gap:10px;max-width:720px}
.article-body ul.dot li{position:relative;padding-left:20px;font-size:15.5px;color:var(--muted);line-height:1.85}
.article-body ul.dot li::before{content:"";position:absolute;left:0;top:.68em;width:8px;height:8px;border-radius:2px;background:var(--brand)}
.inline-figure{margin-top:26px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.inline-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.inline-figure figcaption{padding:12px 16px;font-size:13px;color:var(--dim);text-align:center;background:#fff;border-top:1px solid var(--line)}
.callout{margin-top:22px;padding:20px 22px;background:var(--paper);border-left:4px solid var(--accent);border-radius:0 12px 12px 0;font-size:15.5px;color:var(--muted);line-height:1.85;max-width:720px}

/* 板块标题 */
.section-head{max-width:760px;margin-bottom:8px}
.section-head .kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--accent);margin-bottom:10px}
.section-head h2{font-size:clamp(24px,3vw,34px)}
.section-head p{margin-top:14px;font-size:15.5px;line-height:1.9;color:var(--muted);max-width:720px}

/* 要点卡 */
.point-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:38px}
.point-card{
  display:flex;gap:18px;padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8D3CB}
.point-num{font-family:"DIN Alternate","Roboto Condensed",-apple-system,sans-serif;font-size:26px;font-weight:800;line-height:1;color:var(--accent);opacity:.85;flex:0 0 auto;padding-top:2px}
.point-card h3{font-size:18px}
.point-card p{margin-top:8px;font-size:14.5px;line-height:1.8;color:var(--muted)}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:38px}
.step{position:relative;padding:26px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-num{display:inline-block;padding:3px 12px;border-radius:var(--r-pill);background:var(--accent);color:#fff;font-size:13px;font-weight:700;letter-spacing:.5px}
.step h3{margin-top:14px;font-size:17px}
.step p{margin-top:8px;font-size:14.5px;line-height:1.8;color:var(--muted)}

/* FAQ */
.faq-list{display:grid;gap:14px;margin-top:36px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:box-shadow .22s var(--ease),border-color .22s var(--ease)}
.faq-item.is-open{box-shadow:var(--sh-2);border-color:#D8D3CB}
.faq-q{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:20px 22px;font-size:16.5px;font-weight:700;color:var(--ink);text-align:left}
.faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--brand);transform:scaleY(0);transform-origin:top;transition:transform .22s var(--ease)}
.faq-item.is-open .faq-q::before{transform:scaleY(1)}
.faq-q:hover{color:var(--brand)}
.faq-icon{width:20px;height:20px;flex:0 0 auto;color:var(--brand);transition:transform .22s var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a-inner{max-width:720px;padding:0 22px 22px;font-size:15.5px;line-height:1.9;color:var(--muted)}

/* CTA */
.cta-band{background:var(--ink);padding:64px 0}
.cta-inner{display:grid;grid-template-columns:1.5fr auto;gap:28px;align-items:center}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,32px)}
.cta-band p{margin-top:12px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.72);max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding-top:60px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:32px;padding-bottom:44px}
.site-footer .brand{color:#fff}
.site-footer .brand:hover{color:#fff}
.site-footer .brand-text{color:#fff}
.site-footer .brand-text em{color:var(--brand)}
.footer-brand p{margin-top:16px;max-width:360px;font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.65)}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.7)}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(255,255,255,.7);line-height:1.8}
.footer-contact svg{width:16px;height:16px;margin-top:6px;flex:0 0 auto;color:var(--accent)}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.5)}

/* 动效 */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.js .reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* 响应式 */
@media (max-width:1199px){
  .header-inner{gap:16px}
  .search-wrap{max-width:420px}
  .nav-link{padding:8px 8px;font-size:14.5px}
}
@media (max-width:991px){
  .container{padding:0 20px}
  .section{padding:64px 0}
  .header-inner{display:grid;grid-template-columns:1fr auto;grid-template-areas:"brand toggle";align-items:center;gap:14px;min-height:64px}
  .brand{grid-area:brand}
  .nav-toggle{grid-area:toggle;display:flex}
  .search-wrap{grid-area:search;display:none;width:100%;max-width:none;margin:0}
  .main-nav{grid-area:nav;display:none;flex-direction:column;align-items:stretch;gap:0;width:100%}
  .site-header.is-open .search-wrap,.site-header.is-open .main-nav{display:flex}
  .site-header.is-open .header-inner{
    position:fixed;top:0;left:0;right:0;z-index:70;
    grid-template-areas:"brand toggle" "search search" "nav nav";
    align-content:start;gap:16px;padding:14px 20px 24px;min-height:0;max-height:100vh;overflow-y:auto;
    background:#fff;box-shadow:var(--sh-3);
  }
  .nav-link{padding:14px 2px;font-size:16px;border-bottom:1px solid var(--line)}
  .nav-link::after{display:none}
  .nav-cta{width:100%;margin:16px 0 0;justify-content:center}
  .hero-grid{grid-template-columns:1fr;gap:20px;margin-top:34px}
  .toc-layout{grid-template-columns:1fr;gap:28px}
  .toc{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-inner{grid-template-columns:1fr}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .page-hero{padding:36px 0 48px}
  .hero-panel{padding:22px}
  .hero-center h1{letter-spacing:-.2px}
  .hero-sub{font-size:15.5px}
  .point-grid{grid-template-columns:1fr;gap:16px}
  .steps{grid-template-columns:1fr;gap:16px}
  .article-body p{font-size:16px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:6px}
  .cta-band{padding:48px 0}
  .cta-actions .btn{width:100%}
}

/* roulang page: category3 */
:root{
  --brand:#E8552B;
  --brand-hover:#F2653A;
  --brand-soft:rgba(232,85,43,.08);
  --brand-2:#0F7A6B;
  --brand-2-soft:rgba(15,122,107,.12);
  --ink:#14161A;
  --paper:#F7F5F2;
  --card:#FFFFFF;
  --line:#E4E0DA;
  --text:#2B2F36;
  --muted:#5A5F66;
  --soft:#8A8F96;
  --r-card:14px;
  --r-btn:10px;
  --r-input:12px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,22,26,.06);
  --sh-2:0 10px 28px rgba(20,22,26,.12);
  --sh-3:0 18px 48px rgba(20,22,26,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand)}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{list-style:none;margin:0;padding:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
/* Foundation 默认样式覆盖 */
a:not(.btn){color:inherit}
a:not(.btn):hover,a:not(.btn):focus{color:var(--brand)}
.button,button.button{background:var(--brand);border-radius:var(--r-btn)}
input[type="search"],input[type="text"],input[type="email"]{border-radius:var(--r-input);box-shadow:none}
table{border-collapse:collapse}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-white{background:#fff}
.section-paper{background:var(--paper)}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(255,255,255,.95);
  -webkit-backdrop-filter:saturate(180%) blur(10px);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 1px 0 rgba(20,22,26,.04)}
.header-inner{display:flex;align-items:center;gap:22px;min-height:74px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,#E8552B,#F08A4B);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(232,85,43,.26);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:20px;font-weight:800;letter-spacing:-.4px;color:var(--ink);white-space:nowrap}
.brand-text em{font-style:normal;color:var(--brand)}
.search-wrap{flex:1 1 auto;display:flex;justify-content:center}
.search-box{
  position:relative;display:flex;align-items:center;width:100%;max-width:460px;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:4px 4px 4px 40px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 3px 12px rgba(232,85,43,.12)}
.icon-search{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--soft)}
.search-box input[type="search"]{
  flex:1 1 auto;height:38px;border:0;background:transparent;outline:none;
  font-size:14.5px;color:var(--text);
}
.search-box input[type="search"]::placeholder{color:#9AA0A6}
.search-btn{
  flex:0 0 auto;height:38px;padding:0 20px;border-radius:9px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:700;
  transition:background .18s var(--ease),transform .18s var(--ease);
}
.search-btn:hover{background:var(--brand-hover);transform:translateY(-1px)}
.main-nav{display:flex;align-items:center;gap:22px}
.nav-link{position:relative;padding:8px 2px;font-size:15px;font-weight:600;color:var(--text);white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .18s var(--ease);
}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;position:relative;margin-left:auto}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;width:20px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .22s var(--ease),opacity .22s var(--ease),background .22s;
}
.nav-toggle span{left:12px;top:21px}
.nav-toggle span::before{content:"";left:0;top:-6px}
.nav-toggle span::after{content:"";left:0;top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);background:var(--brand)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);background:var(--brand)}
.nav-overlay{position:fixed;inset:0;background:rgba(20,22,26,.45);opacity:0;visibility:hidden;transition:opacity .26s var(--ease);z-index:80}
.nav-overlay.is-open{opacity:1;visibility:visible}
body.nav-locked{overflow:hidden}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);padding:14px 28px;
  font-size:15px;font-weight:700;line-height:1;border:1.5px solid transparent;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  min-height:44px;
}
.btn svg{width:16px;height:16px;transition:transform .18s var(--ease)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-hover);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(232,85,43,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(232,85,43,.22)}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand);transform:translateY(-2px)}
.btn-outline-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14px;min-height:40px}

/* ===== 徽章 / 标签 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  background:var(--brand-2-soft);color:var(--brand-2);
  font-size:13px;font-weight:700;letter-spacing:.02em;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.badge:hover{background:var(--brand-2);color:#fff}
.badge-brand{background:var(--brand-soft);color:var(--brand)}
.badge-brand:hover{background:var(--brand);color:#fff}

/* ===== 面包屑 ===== */
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);flex-wrap:wrap}
.crumbs a{color:rgba(255,255,255,.62)}
.crumbs a:hover{color:#fff}
.crumbs .sep{color:rgba(255,255,255,.34)}
.crumbs .cur{color:var(--brand);font-weight:600}

/* ===== 分类页头部 ===== */
.cat-hero{position:relative;background:var(--ink);color:#fff;padding:74px 0 68px;overflow:hidden}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-3.png);
  background-size:cover;background-position:center;
  opacity:.3;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(20,22,26,.94) 20%,rgba(20,22,26,.58) 82%);
}
.cat-hero .container{position:relative;z-index:2}
.cat-hero h1{
  font-size:clamp(30px,4.6vw,50px);font-weight:800;line-height:1.15;letter-spacing:-.5px;
  margin:20px 0 0;max-width:820px;
}
.cat-hero h1 .hl{position:relative;display:inline-block}
.cat-hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:8px;border-radius:4px;
  background:linear-gradient(90deg,rgba(232,85,43,.85),rgba(232,85,43,0));
  z-index:-1;
}
.cat-hero .lead{
  margin-top:18px;max-width:720px;font-size:16.5px;line-height:1.85;
  color:rgba(255,255,255,.74);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:46px}
.hero-card{
  background:#fff;border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh-2);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.hero-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.hero-card .idx{font-size:13px;font-weight:800;color:var(--brand);letter-spacing:.08em}
.hero-card h3{font-size:18px;font-weight:700;color:var(--ink);margin:10px 0 8px}
.hero-card p{font-size:14.5px;line-height:1.75;color:var(--muted)}
.anchor-bar{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:10px;margin-top:36px}
.anchor-chip{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.28);color:rgba(255,255,255,.86);
  font-size:14px;font-weight:600;
  transition:border-color .18s var(--ease),background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.anchor-chip:hover{border-color:var(--brand);background:rgba(232,85,43,.2);color:#fff;transform:translateY(-2px)}

/* ===== 区块标题 ===== */
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head h2{
  font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.25;letter-spacing:-.4px;
  color:var(--ink);margin-top:14px;
}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.85;max-width:720px}

/* ===== 图文双栏 ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split-figure{position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:var(--r-card);box-shadow:var(--sh-2)}
.split-figure img{width:100%;height:100%;object-fit:cover;border-radius:0}
.split-body h2{font-size:clamp(23px,2.8vw,32px);font-weight:700;line-height:1.3;color:var(--ink)}
.split-body .mark-line{width:56px;height:4px;border-radius:2px;background:var(--brand);margin:18px 0 20px}
.split-body p{color:var(--muted);font-size:16px;line-height:1.85;max-width:720px}
.split-body p + p{margin-top:14px}

/* ===== 编号段落 ===== */
.numlist{display:grid;gap:22px;max-width:1000px}
.num-item{
  display:grid;grid-template-columns:76px 1fr;gap:20px;
  padding:26px 30px;background:#fff;border:1px solid var(--line);
  border-left:3px solid transparent;border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-left-color .2s var(--ease);
}
.num-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-left-color:var(--brand)}
.num-item .num{
  font-family:"DIN Alternate","Roboto Condensed",-apple-system,sans-serif;
  font-size:32px;font-weight:800;line-height:1.1;letter-spacing:-1px;color:var(--brand);
}
.num-item h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:8px}
.num-item p{font-size:15.5px;line-height:1.82;color:var(--muted);max-width:720px}

/* ===== 要点卡 ===== */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.feature-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 28px 26px;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d9d4cc}
.feature-card .fnum{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:var(--brand-2-soft);color:var(--brand-2);
  font-weight:800;font-size:14px;letter-spacing:.02em;
}
.feature-card h3{font-size:19px;font-weight:700;color:var(--ink);margin:18px 0 10px;transition:color .18s var(--ease)}
.feature-card:hover h3{color:var(--brand)}
.feature-card p{font-size:15.5px;line-height:1.82;color:var(--muted)}
.feature-card .farrow{
  display:inline-flex;align-items:center;gap:7px;margin-top:18px;
  font-size:14px;font-weight:700;color:var(--brand);
}
.feature-card .farrow svg{width:15px;height:15px;transition:transform .18s var(--ease)}
.feature-card:hover .farrow svg{transform:translateX(4px)}

/* ===== 流程步骤 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step::after{content:"";position:absolute;top:52px;right:-20px;width:20px;height:1px;background:var(--line)}
.step:last-child::after{display:none}
.step .step-no{
  width:36px;height:36px;border-radius:50%;
  background:var(--brand-2);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:14px;
}
.step h3{font-size:17px;font-weight:700;color:var(--ink);margin:16px 0 8px}
.step p{font-size:14.5px;line-height:1.78;color:var(--muted)}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-left:3px solid transparent;
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:border-left-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item[open]{border-left-color:var(--brand);box-shadow:var(--sh-2)}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  padding:20px 58px 20px 24px;
  font-size:16.5px;font-weight:700;color:var(--ink);
  transition:color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary::after{
  content:"";position:absolute;right:24px;top:50%;width:14px;height:14px;
  transform:translateY(-50%);
  background-image:linear-gradient(#8A8F96,#8A8F96),linear-gradient(#8A8F96,#8A8F96);
  background-size:14px 2px,2px 14px;
  background-position:center center;background-repeat:no-repeat;
  transition:transform .22s var(--ease),background-image .22s var(--ease);
}
.faq-item[open] summary::after{
  transform:translateY(-50%) rotate(45deg);
  background-image:linear-gradient(var(--brand),var(--brand)),linear-gradient(var(--brand),var(--brand));
}
.faq-body{padding:0 24px 22px;font-size:15.5px;line-height:1.85;color:var(--muted);max-width:780px}

/* ===== CTA ===== */
.cta-band{background:var(--ink);color:#fff;padding:64px 0}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-inner h2{font-size:clamp(22px,2.8vw,32px);font-weight:800;line-height:1.28;color:#fff;max-width:640px}
.cta-inner p{margin-top:12px;font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.72);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.6);max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col li a{font-size:14.5px;color:rgba(255,255,255,.68)}
.footer-col li a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.6);line-height:1.7}
.footer-contact svg{width:16px;height:16px;flex:0 0 auto;margin-top:6px;color:var(--brand)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:rgba(255,255,255,.48);
}

/* ===== 进场动效 ===== */
.has-js .reveal{opacity:0;transform:translateY(12px)}
.has-js .reveal.is-in{opacity:1;transform:none;transition:opacity .5s var(--ease),transform .5s var(--ease)}

/* ===== 锚点定位补偿 ===== */
.anchor-target{scroll-margin-top:96px}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .header-inner{gap:16px}
  .brand-text{font-size:18px}
  .main-nav{gap:14px}
  .nav-link{font-size:14px}
  .search-box{max-width:360px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer-contact{grid-column:span 3}
}
@media (max-width:991px){
  .container{padding:0 20px}
  .section{padding:64px 0}
  .section-tight{padding:52px 0}
  .header-inner{flex-wrap:wrap;gap:12px;padding-top:10px;padding-bottom:10px;min-height:0}
  .brand{order:1}
  .nav-toggle{display:block;order:2;margin-left:auto}
  .search-wrap{order:3;flex:0 0 100%;max-width:none}
  .search-box{max-width:none}
  .main-nav{
    position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:88px 22px 28px;overflow-y:auto;
    transform:translateX(102%);transition:transform .26s var(--ease);
    box-shadow:-18px 0 48px rgba(20,22,26,.16);z-index:90;
  }
  .main-nav.is-open{transform:translateX(0)}
  .nav-link{padding:15px 4px;font-size:16px;border-bottom:1px solid var(--line)}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--brand)}
  .nav-cta{width:100%;margin-top:20px;min-height:48px}
  .hero-cards{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:28px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-contact{grid-column:span 2}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .section{padding:48px 0}
  .section-tight{padding:42px 0}
  .cat-hero{padding:52px 0 48px}
  .cat-hero .lead{font-size:15.5px}
  .hero-cards{grid-template-columns:1fr;gap:16px;margin-top:34px}
  .feature-grid{grid-template-columns:1fr;gap:16px}
  .num-item{grid-template-columns:1fr;gap:10px;padding:22px 20px}
  .num-item .num{font-size:26px}
  .faq-item summary{font-size:15.5px;padding:18px 50px 18px 18px}
  .faq-body{padding:0 18px 20px}
  .cta-band{padding:48px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-contact{grid-column:span 1}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .steps{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .brand-text{font-size:17px}
}