/* roulang page: index */
:root{
  --brand-900:#0A2E28;
  --brand-800:#0E4B3E;
  --jade-600:#0E8F6D;
  --jade-500:#12A67F;
  --jade-300:#7FD9BF;
  --amber-500:#F2A63B;
  --amber-600:#D9861B;
  --ink:#16211E;
  --ink-soft:#5B6B66;
  --paper:#FBF8F2;
  --line:#E6E1D6;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --shadow-card:0 8px 30px rgba(11,59,51,.06);
  --shadow-hover:0 16px 40px rgba(11,59,51,.13);
  --grad-brand:linear-gradient(135deg,#0E4B3E 0%,#12A67F 100%);
  --grad-amber:linear-gradient(135deg,#F2A63B 0%,#FF8A5B 100%);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;line-height:1.85;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease;}
button,input,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-family:"Noto Serif SC","Noto Sans SC",serif;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
:focus-visible{outline:none;box-shadow:0 0 0 2px #fff,0 0 0 4px var(--amber-500);border-radius:8px;}
::selection{background:var(--jade-300);color:var(--brand-900);}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#F1EDE4;}
::-webkit-scrollbar-thumb{background:#C9C2B3;border-radius:20px;}
::-webkit-scrollbar-thumb:hover{background:var(--jade-500);}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
@media(max-width:1024px){.container{padding:0 24px;}}
@media(max-width:520px){.container{padding:0 20px;}}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;transition:box-shadow .25s ease,background-color .25s ease;}
.brand-bar{border-bottom:1px solid var(--line);transition:height .25s ease,padding .25s ease;}
.brand-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px;transition:height .25s ease;}
.brand{display:flex;align-items:center;gap:11px;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-family:"Noto Serif SC",serif;
  font-weight:700;font-size:19px;letter-spacing:0;box-shadow:0 6px 18px rgba(14,75,62,.26);
}
.brand-text{font-family:"Noto Serif SC",serif;font-weight:700;font-size:20px;color:var(--brand-800);letter-spacing:.01em;}
.brand-sub{display:block;font-family:"Noto Sans SC",sans-serif;font-weight:400;font-size:11.5px;color:var(--ink-soft);letter-spacing:.08em;line-height:1.2;}
.brand-actions{display:flex;align-items:center;gap:14px;}
.search-box{
  display:flex;align-items:center;gap:9px;background:#F6F3EC;border:1px solid var(--line);
  border-radius:999px;padding:8px 16px;min-width:250px;transition:border-color .2s ease,background-color .2s ease;
}
.search-box:focus-within{border-color:var(--jade-500);background:#fff;box-shadow:0 0 0 3px rgba(18,166,127,.14);}
.search-box i{color:var(--ink-soft);font-size:13px;}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:14px;}
.search-box input::placeholder{color:#9AA6A1;}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);color:var(--brand-800);font-size:17px;}

.channel-bar{border-bottom:1px solid var(--line);background:#fff;}
.channel-inner{display:flex;align-items:center;gap:26px;height:52px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel{
  position:relative;flex:0 0 auto;font-size:15px;font-weight:500;color:#42524D;padding:14px 0;white-space:nowrap;
}
.channel::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:3px;border-radius:3px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.channel:hover{color:var(--brand-800);}
.channel:hover::after{transform:scaleX(1);}
.channel.active{color:var(--brand-800);font-weight:700;}
.channel.active::after{transform:scaleX(1);}
.hot-links{margin-left:auto;flex:0 0 auto;font-size:13px;color:var(--ink-soft);display:flex;align-items:center;gap:10px;}
.hot-links a{color:var(--jade-600);font-weight:500;}
.hot-links a:hover{color:var(--amber-600);}

.site-header.scrolled{box-shadow:0 6px 26px rgba(11,59,51,.09);background:rgba(255,255,255,.92);backdrop-filter:blur(12px);}
.site-header.scrolled .brand-bar-inner{height:60px;}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:90;pointer-events:none;visibility:hidden;}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(360px,86vw);height:100%;background:#fff;
  box-shadow:-12px 0 40px rgba(11,59,51,.16);padding:26px 22px;overflow-y:auto;
  transform:translateX(102%);transition:transform .3s ease;pointer-events:auto;
}
.drawer-mask{position:absolute;inset:0;background:rgba(10,46,40,.42);opacity:0;transition:opacity .3s ease;pointer-events:auto;}
.drawer.open{visibility:visible;pointer-events:auto;}
.drawer.open .drawer-panel{transform:translateX(0);}
.drawer.open .drawer-mask{opacity:1;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-title{font-family:"Noto Serif SC",serif;font-weight:700;font-size:17px;color:var(--brand-800);}
.drawer-close{width:38px;height:38px;border-radius:11px;border:1px solid var(--line);color:var(--brand-800);}
.drawer-nav a{display:block;padding:13px 12px;border-radius:12px;font-size:15.5px;color:#33423D;border-bottom:1px solid #F2EEE5;}
.drawer-nav a:last-child{border-bottom:0;}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--jade-100);color:var(--brand-800);font-weight:700;}
.drawer-search{margin:18px 0 12px;}
.drawer-hot{margin-top:16px;font-size:13px;color:var(--ink-soft);display:flex;flex-wrap:wrap;gap:8px;}
.drawer-hot a{background:#F5F2EA;border-radius:999px;padding:6px 12px;color:var(--jade-600);}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:var(--r-sm);
  padding:14px 28px;font-size:15.5px;font-weight:700;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background-color .2s ease,color .2s ease;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 26px rgba(14,75,62,.28);}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 16px 34px rgba(14,75,62,.34);}
.btn-primary:active{transform:translateY(0);filter:brightness(.98);}
.btn-outline{background:#fff;color:var(--brand-800);border:1px solid rgba(14,75,62,.32);}
.btn-outline:hover{background:rgba(127,217,191,.16);border-color:var(--jade-500);transform:translateY(-2px);}
.btn-amber{background:var(--grad-amber);color:#3A2404;box-shadow:0 10px 24px rgba(217,134,27,.26);}
.btn-amber:hover{transform:translateY(-2px);filter:brightness(1.05);}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:11px;}
.btn-block{width:100%;}
.link-more{display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:700;color:var(--jade-600);
  text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px;}
.link-more:hover{color:var(--amber-600);text-underline-offset:8px;}
.link-more i{transition:transform .2s ease;}
.link-more:hover i{transform:translateX(4px);}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:7px;border-radius:999px;background:var(--amber-100);
  color:#B4720F;font-size:12.5px;font-weight:700;padding:6px 13px;line-height:1.4;}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber-500);flex:0 0 auto;}
.badge-jade{background:var(--jade-100);color:#0A6B52;}
.badge-jade::before{background:var(--jade-500);}
.badge-light{background:rgba(255,255,255,.2);color:#fff;}
.badge-light::before{background:var(--jade-300);}
.tag{display:inline-flex;align-items:center;border-radius:999px;border:1px solid var(--line);
  background:#fff;padding:5px 13px;font-size:12.5px;color:var(--ink-soft);font-weight:500;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 板块 ============ */
.section{padding:96px 0;}
.section-tight{padding:76px 0;}
@media(max-width:1024px){.section{padding:68px 0;}.section-tight{padding:56px 0;}}
@media(max-width:520px){.section{padding:50px 0;}.section-tight{padding:44px 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;}
.section-title{position:relative;font-size:30px;line-height:1.35;padding-left:16px;}
.section-title::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:5px;border-radius:4px;background:var(--grad-brand);
}
.section-desc{margin-top:12px;color:var(--ink-soft);font-size:15.5px;max-width:640px;line-height:1.8;}
@media(max-width:520px){.section-title{font-size:23px;}}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--brand-900);color:#fff;}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,46,40,.94) 0%,rgba(14,75,62,.86) 42%,rgba(14,75,62,.42) 72%,rgba(18,166,127,.24) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;
  padding-top:88px;padding-bottom:96px;min-height:80vh;}
@media(max-width:1024px){.hero-inner{grid-template-columns:1fr;gap:40px;padding-top:64px;padding-bottom:72px;min-height:auto;}}
.hero h1{color:#fff;font-size:48px;line-height:1.24;letter-spacing:-.01em;margin:20px 0 18px;}
@media(max-width:1024px){.hero h1{font-size:38px;}}
@media(max-width:520px){.hero h1{font-size:31px;}}
.hero-sub{color:rgba(255,255,255,.88);font-size:17px;line-height:1.9;max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-cta .btn-outline{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.45);}
.hero-cta .btn-outline:hover{background:rgba(127,217,191,.22);border-color:var(--jade-300);}
.hero-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
.hero-figure{position:relative;}
.hero-figure img{border-radius:var(--r-lg);box-shadow:0 30px 70px rgba(0,0,0,.35);}
.hero-float{
  position:absolute;left:-18px;bottom:26px;background:#fff;border-radius:var(--r-md);padding:16px 20px;
  box-shadow:0 20px 44px rgba(0,0,0,.22);display:flex;align-items:center;gap:14px;max-width:266px;
}
.hero-float .fig{font-family:"Noto Serif SC",serif;font-weight:700;font-size:26px;color:var(--brand-800);line-height:1.1;}
.hero-float span{display:block;font-size:12.5px;color:var(--ink-soft);line-height:1.5;}
.hero-divider{position:relative;z-index:2;height:1px;background:linear-gradient(90deg,rgba(127,217,191,0),rgba(127,217,191,.85),rgba(127,217,191,0));}
@media(max-width:520px){.hero-float{left:10px;bottom:-14px;max-width:240px;}}

/* ============ 指标看板 ============ */
.metrics{background:#fff;border-bottom:1px solid var(--line);}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:52px 0;}
@media(max-width:1024px){.metric-grid{grid-template-columns:repeat(2,1fr);gap:20px;padding:44px 0;}}
@media(max-width:520px){.metric-grid{grid-template-columns:1fr;}}
.metric-card{
  position:relative;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 22px 20px;background:#fff;
  box-shadow:var(--shadow-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(18,166,127,.4);}
.metric-value{font-family:"Noto Serif SC",serif;font-weight:700;font-size:40px;line-height:1.1;color:var(--brand-800);}
.metric-value small{font-size:17px;font-weight:700;color:var(--jade-600);margin-left:4px;font-family:"Noto Sans SC",sans-serif;}
.metric-label{margin-top:8px;font-size:15px;font-weight:700;color:#26362F;}
.metric-note{margin-top:6px;font-size:13.5px;color:var(--ink-soft);line-height:1.7;}
.metric-mini{position:absolute;right:16px;bottom:14px;font-size:11.5px;font-weight:700;color:#B4720F;
  background:var(--amber-100);border-radius:999px;padding:4px 10px;}

/* ============ 服务矩阵 ============ */
.matrix{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;}
.matrix .cell{display:flex;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;overflow:hidden;width:100%;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(18,166,127,.4);}
.card-body{padding:26px 24px;}
.card-lg{border-radius:var(--r-lg);}
.card-lg .card-body{padding:32px 30px;}
.card-cover{position:relative;overflow:hidden;}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-cover img{transform:scale(1.03);}
.card-icon{
  width:52px;height:52px;border-radius:15px;display:flex;align-items:center;justify-content:center;
  background:var(--jade-100);color:var(--brand-800);font-size:20px;margin-bottom:16px;
}
.card h3{font-size:21px;margin-bottom:10px;line-height:1.4;}
.card p{font-size:15px;color:var(--ink-soft);line-height:1.85;}
.card-list{margin-top:16px;display:grid;gap:9px;}
.card-list li{position:relative;padding-left:20px;font-size:14.5px;color:#3D4C47;}
.card-list li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:2px;background:var(--jade-500);}
.cell-lg{grid-column:span 3;grid-row:span 2;}
.cell-md{grid-column:span 3;}
.cell-sm{grid-column:span 2;}
@media(max-width:1024px){
  .matrix{grid-template-columns:repeat(2,1fr);}
  .cell-lg{grid-column:span 2;grid-row:auto;}
  .cell-md{grid-column:span 1;}
  .cell-sm{grid-column:span 1;}
}
@media(max-width:640px){
  .matrix{grid-template-columns:1fr;}
  .cell-lg,.cell-md,.cell-sm{grid-column:span 1;}
}

/* ============ 结果对比 ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
@media(max-width:900px){.compare{grid-template-columns:1fr;}}
.compare-col{border-radius:var(--r-lg);padding:30px 28px;background:#fff;}
.compare-left{border:1px dashed #D8D2C4;background:#FCFAF5;}
.compare-left h3{color:#5B6B66;}
.compare-right{border:2px solid transparent;background:
  linear-gradient(#fff,#fff) padding-box,
  linear-gradient(135deg,#0E4B3E,#12A67F) border-box;
  box-shadow:0 14px 40px rgba(11,59,51,.12);}
.compare-right h3{color:var(--brand-800);}
.compare-col h3{font-size:20px;margin-bottom:6px;}
.compare-kicker{font-size:13px;color:var(--ink-soft);margin-bottom:18px;}
.compare-list{display:grid;gap:14px;}
.compare-list li{display:flex;gap:12px;font-size:15px;line-height:1.8;color:#3D4C47;}
.compare-list i{margin-top:6px;font-size:14px;}
.compare-left .compare-list i{color:#9AA6A1;}
.compare-right .compare-list i{color:var(--jade-500);}
.compare-foot{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px;}

/* ============ 内容列表 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
@media(max-width:1024px){.post-grid{grid-template-columns:repeat(2,1fr);gap:20px;}}
@media(max-width:640px){.post-grid{grid-template-columns:1fr;}}
.post-card{display:flex;flex-direction:column;height:100%;}
.post-cover{aspect-ratio:16/10;overflow:hidden;background:#EFEBE1;}
.post-cover img{width:100%;height:100%;object-fit:cover;}
.post-body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1;}
.post-title{
  font-size:17px;line-height:1.55;margin:12px 0 8px;font-family:"Noto Serif SC",serif;font-weight:700;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover .post-title{color:var(--jade-600);}
.post-excerpt{
  font-size:14.5px;color:var(--ink-soft);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:#8C9893;}
.post-meta i{transition:transform .2s ease;color:var(--jade-600);}
.post-card:hover .post-meta i{transform:translateX(4px);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 24px;border:1px dashed var(--line);border-radius:var(--r-lg);background:#fff;
}
.empty-state i{font-size:32px;color:var(--jade-300);}
.empty-state p{margin:16px 0 18px;color:var(--ink-soft);}

/* ============ 客户评价 ============ */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media(max-width:1024px){.voice-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:640px){.voice-grid{grid-template-columns:1fr;}}
.voice{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px 24px;box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.voice:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(18,166,127,.4);}
.voice p{font-size:15px;color:#3D4C47;line-height:1.9;}
.voice-who{margin-top:18px;padding-top:16px;border-top:1px solid #F2EEE5;display:flex;align-items:center;gap:12px;}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--grad-brand);color:#fff;display:flex;align-items:center;
  justify-content:center;font-weight:700;font-size:15px;font-family:"Noto Serif SC",serif;flex:0 0 auto;}
.voice-who strong{display:block;font-size:14.5px;color:#26362F;}
.voice-who span{display:block;font-size:12.5px;color:var(--ink-soft);}
.status-band{
  margin-top:30px;background:var(--brand-800);border-radius:var(--r-lg);padding:20px 26px;display:flex;flex-wrap:wrap;
  align-items:center;gap:18px;color:#fff;
}
.status-band .pulse{width:10px;height:10px;border-radius:50%;background:var(--jade-300);box-shadow:0 0 0 0 rgba(127,217,191,.7);
  animation:pulse 2.2s infinite;flex:0 0 auto;}
@keyframes pulse{70%{box-shadow:0 0 0 12px rgba(127,217,191,0);}100%{box-shadow:0 0 0 0 rgba(127,217,191,0);}}
.status-band strong{font-size:15px;color:#fff;}
.status-band span{font-size:13.5px;color:rgba(255,255,255,.78);}
.status-items{margin-left:auto;display:flex;flex-wrap:wrap;gap:22px;}
.status-items b{font-family:"Noto Serif SC",serif;font-size:19px;display:block;color:#fff;}
.status-items em{font-style:normal;font-size:12px;color:rgba(255,255,255,.72);}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:14px;padding:22px 12px;
  font-size:17px;font-weight:700;color:#22322C;transition:background-color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(127,217,191,.08);}
.faq-item summary .bar{width:3px;border-radius:3px;background:var(--grad-brand);align-self:stretch;min-height:22px;flex:0 0 auto;transition:background .2s ease;}
.faq-item summary .plus{margin-left:auto;color:var(--jade-600);font-size:17px;transition:transform .25s ease;flex:0 0 auto;}
.faq-item[open] summary .bar{background:var(--grad-amber);}
.faq-item[open] summary .plus{transform:rotate(45deg);color:var(--amber-600);}
.faq-answer{padding:0 12px 24px 29px;color:#41504B;font-size:15.5px;line-height:1.85;}

/* ============ 表单 ============ */
.contact{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.contact-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:48px;align-items:start;}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr;gap:28px;}}
.contact h2{font-size:30px;line-height:1.4;}
@media(max-width:520px){.contact h2{font-size:23px;}}
.trust-list{margin-top:26px;display:grid;gap:14px;}
.trust-list li{display:flex;gap:12px;font-size:15px;color:#3D4C47;line-height:1.75;}
.trust-list i{color:var(--jade-500);margin-top:6px;}
.form-card{background:#FBF8F2;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 28px;box-shadow:var(--shadow-card);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:700;color:#26362F;margin-bottom:8px;}
.field .req{color:#D9534F;margin-left:4px;}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;padding:13px 15px;
  font-size:15px;outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{resize:vertical;min-height:104px;line-height:1.75;}
.field input:focus,.field textarea:focus{border-color:var(--jade-500);box-shadow:0 0 0 3px rgba(18,166,127,.16);}
.field.error input,.field.error textarea{border-color:#D9534F;box-shadow:0 0 0 3px rgba(217,83,79,.12);}
.field .err-msg{display:none;margin-top:7px;font-size:12.5px;color:#D9534F;}
.field.error .err-msg{display:block;}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:6px;}
.form-foot .btn{min-width:172px;}
.form-tip{font-size:12.5px;color:var(--ink-soft);line-height:1.7;}
.form-success{
  display:none;margin-top:16px;border-radius:var(--r-sm);background:var(--jade-100);color:#0A6B52;
  padding:12px 16px;font-size:14px;font-weight:600;
}
.form-success.show{display:block;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.82);}
.footer-top{padding:64px 0 34px;}
.footer-brand{display:flex;flex-wrap:wrap;align-items:center;gap:16px;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.14);}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand strong{font-family:"Noto Serif SC",serif;font-size:20px;color:#fff;}
.footer-brand p{font-size:13.5px;color:rgba(255,255,255,.66);}
.footer-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:34px;padding:40px 0 8px;}
@media(max-width:1024px){.footer-cols{grid-template-columns:repeat(2,1fr);gap:28px;}}
@media(max-width:520px){.footer-cols{grid-template-columns:1fr;}}
.footer-cols h4{font-size:15px;color:#fff;margin-bottom:16px;font-family:"Noto Sans SC",sans-serif;font-weight:700;}
.footer-cols li{margin-bottom:10px;}
.footer-cols a,.footer-cols span{font-size:14px;color:rgba(255,255,255,.74);display:inline-block;transition:color .2s ease,transform .2s ease;}
.footer-cols a:hover{color:var(--jade-300);transform:translateX(3px);}
.footer-bottom{background:#07231E;padding:18px 0;}
.footer-bottom-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.6);}
.footer-bottom-inner a{color:rgba(255,255,255,.75);}
.footer-bottom-inner a:hover{color:var(--jade-300);}

@media(max-width:900px){
  .search-box{display:none;}
  .menu-toggle{display:flex;align-items:center;justify-content:center;}
  .brand-actions .btn-ghost{display:none;}
}

/* roulang page: article */
:root{
  --brand-900:#0A2E28;
  --brand-800:#0E4B3E;
  --brand-500:#12A67F;
  --brand-200:#7FD9BF;
  --gold-500:#F2A63B;
  --gold-700:#D9861B;
  --gold-100:#FFF4E2;
  --gold-ink:#B4720F;
  --ink:#16211E;
  --ink-soft:#5B6B66;
  --paper:#FBF8F2;
  --card:#FFFFFF;
  --line:#E6E1D6;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --shadow:0 8px 30px rgba(11,59,51,.06);
  --shadow-lift:0 18px 40px rgba(11,59,51,.12);
  --grad-brand:linear-gradient(135deg,#0E4B3E 0%,#12A67F 100%);
  --grad-gold:linear-gradient(135deg,#F2A63B 0%,#FF8A5B 100%);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease;}
img{max-width:100%;display:block;}
button,input,textarea,select{font:inherit;color:inherit;}
ul,ol{list-style:none;margin:0;padding:0;}
:focus-visible{outline:2px solid var(--gold-500);outline-offset:2px;border-radius:6px;}
::selection{background:var(--brand-200);color:var(--brand-900);}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-line{border-top:1px solid var(--line);}
.h1{font-family:'Noto Serif SC','Songti SC',serif;font-weight:700;font-size:46px;line-height:1.28;letter-spacing:-0.01em;margin:0;}
.h2{font-family:'Noto Serif SC','Songti SC',serif;font-weight:700;font-size:30px;line-height:1.35;margin:0;color:var(--brand-900);}
.h3{font-size:21px;line-height:1.5;font-weight:700;margin:0;color:var(--brand-900);}
.lead{font-size:17px;color:var(--ink-soft);line-height:1.9;margin:0;}
.muted{color:var(--ink-soft);font-size:14px;line-height:1.7;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--gold-ink);background:var(--gold-100);border-radius:999px;padding:6px 14px;}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold-500);}
.h2-bar{display:flex;align-items:center;gap:12px;}
.h2-bar::before{content:"";width:4px;height:26px;border-radius:4px;background:var(--grad-brand);}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-sm);border:1px solid transparent;
  padding:14px 28px;font-size:15.5px;font-weight:600;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 26px rgba(14,75,62,.24);}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 14px 30px rgba(14,75,62,.3);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--brand-800);color:var(--brand-800);}
.btn-ghost:hover{background:rgba(18,166,127,.08);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-800);border-bottom:1px solid rgba(14,75,62,.35);padding-bottom:2px;}
.link-more:hover{color:var(--brand-500);border-bottom-color:var(--brand-500);}
.link-more:hover .arrow{transform:translateX(4px);}
.arrow{transition:transform .2s ease;}

/* badges */
.badge{display:inline-flex;align-items:center;gap:7px;border-radius:999px;background:var(--gold-100);color:var(--gold-ink);font-size:12.5px;font-weight:600;padding:5px 13px;}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold-500);}
.badge-green{background:rgba(18,166,127,.1);color:var(--brand-800);}
.badge-green::before{background:var(--brand-500);}
.badge-dark{background:rgba(255,255,255,.16);color:#fff;backdrop-filter:blur(6px);}
.badge-dark::before{background:var(--brand-200);}
.tabular{font-variant-numeric:tabular-nums;}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(251,248,242,.94);backdrop-filter:blur(12px);transition:box-shadow .25s ease;}
.site-header.scrolled{box-shadow:0 10px 30px rgba(11,59,51,.1);}
.topbar{border-bottom:1px solid var(--line);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px;padding-top:10px;padding-bottom:10px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;background:var(--grad-brand);
  color:#fff;font-family:'Noto Serif SC',serif;font-size:20px;font-weight:700;
  display:flex;align-items:center;justify-content:center;box-shadow:0 8px 18px rgba(14,75,62,.25);
}
.brand-text{font-family:'Noto Serif SC',serif;font-size:21px;font-weight:700;color:var(--brand-900);letter-spacing:.01em;line-height:1.2;}
.brand-sub{font-size:12.5px;color:var(--ink-soft);line-height:1.2;padding-left:12px;border-left:1px solid var(--line);}
.topbar-right{display:flex;align-items:center;gap:12px;}
.search-box{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 8px 6px 16px;transition:border-color .2s ease,box-shadow .2s ease;}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(18,166,127,.16);}
.search-box input{border:0;outline:0;background:transparent;width:190px;font-size:14px;}
.search-box button{border:0;background:var(--grad-brand);color:#fff;border-radius:999px;padding:7px 16px;font-size:13.5px;font-weight:600;cursor:pointer;}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-800);transition:transform .2s ease,opacity .2s ease;}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* channel nav */
.channel-bar{border-bottom:1px solid var(--line);background:rgba(255,255,255,.72);}
.channel-inner{display:flex;align-items:center;gap:4px;overflow-x:auto;padding:9px 32px;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel{position:relative;flex:0 0 auto;padding:8px 14px;border-radius:999px;font-size:14.5px;color:var(--ink-soft);white-space:nowrap;}
.channel:hover{color:var(--brand-800);background:rgba(18,166,127,.08);}
.channel.active{color:var(--brand-800);font-weight:700;}
.channel.active::after{content:"";position:absolute;left:14px;right:14px;bottom:1px;height:3px;border-radius:3px;background:var(--grad-brand);}
.hot-links{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-soft);white-space:nowrap;padding-left:18px;}
.hot-links a{background:var(--gold-100);color:var(--gold-ink);font-weight:600;border-radius:999px;padding:4px 11px;font-size:12.5px;}
.hot-links a:hover{background:#FFE6C4;}

/* mobile drawer */
.drawer{display:none;border-bottom:1px solid var(--line);background:#fff;}
.drawer.open{display:block;}
.drawer-inner{padding:18px 32px 26px;}
.drawer h5{font-size:13px;color:var(--ink-soft);font-weight:600;margin:0 0 10px;}
.drawer-list{display:grid;gap:6px;margin-bottom:18px;}
.drawer-list a{padding:11px 14px;border-radius:var(--r-sm);font-size:15px;background:var(--paper);border:1px solid var(--line);}
.drawer-list a:hover{border-color:var(--brand-500);color:var(--brand-800);}
.drawer-search{display:flex;gap:8px;}
.drawer-search input{flex:1;border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 14px;outline:0;}
.drawer-search input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(18,166,127,.16);}

/* article hero */
.article-hero{position:relative;overflow:hidden;background:var(--brand-900);color:#fff;}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.5;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(10,46,40,.94) 0%,rgba(14,75,62,.82) 55%,rgba(18,166,127,.55) 100%);
}
.article-hero .container{position:relative;z-index:2;}
.hero-inner{padding:56px 0 60px;max-width:900px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.75);margin-bottom:22px;}
.crumb a:hover{color:#fff;}
.crumb-sep{opacity:.5;}
.crumb-current{color:#fff;font-weight:600;}
.article-hero .h1{color:#fff;font-size:44px;margin-bottom:22px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;padding-top:6px;border-top:1px solid rgba(255,255,255,.22);margin-top:26px;padding-top:22px;font-size:13.5px;color:rgba(255,255,255,.82);}
.hero-meta .chip{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.14);border-radius:999px;padding:6px 14px;}
.hero-meta .chip strong{color:#fff;font-weight:600;}

/* title bar fallback */
.titlebar{background:#fff;border-bottom:1px solid var(--line);}
.titlebar-inner{padding:22px 0;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;}
.crumb-light{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--ink-soft);}
.crumb-light .crumb-current{color:var(--ink);font-weight:700;}

/* article body */
.article-wrap{padding:72px 0 40px;}
.prose{max-width:72ch;margin:0 auto;font-size:17px;line-height:1.9;color:#23332E;}
.prose h2{font-family:'Noto Serif SC','Songti SC',serif;font-size:26px;line-height:1.45;color:var(--brand-900);margin:46px 0 16px;padding-left:16px;position:relative;}
.prose h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--grad-brand);}
.prose h3{font-size:20px;line-height:1.55;color:var(--brand-800);margin:32px 0 12px;font-weight:700;}
.prose h4{font-size:17.5px;color:var(--brand-800);margin:26px 0 10px;font-weight:700;}
.prose p{margin:0 0 18px;}
.prose ul,.prose ol{margin:0 0 20px;padding-left:22px;}
.prose ul li{list-style:disc;margin-bottom:8px;}
.prose ol li{list-style:decimal;margin-bottom:8px;}
.prose img{border-radius:var(--r-md);margin:26px 0;box-shadow:var(--shadow);}
.prose blockquote{margin:26px 0;padding:16px 22px;background:#fff;border-left:4px solid var(--brand-500);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--ink-soft);box-shadow:var(--shadow);}
.prose a{color:var(--brand-500);border-bottom:1px solid rgba(18,166,127,.4);}
.prose a:hover{color:var(--brand-800);}
.prose table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15.5px;background:#fff;border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow);}
.prose th{background:var(--grad-brand);color:#fff;text-align:left;padding:13px 16px;font-weight:600;}
.prose td{padding:13px 16px;border-top:1px solid var(--line);color:#2B3A35;}
.prose tr:nth-child(even) td{background:rgba(251,248,242,.7);}
.prose hr{border:0;border-top:1px solid var(--line);margin:34px 0;}
.prose strong{color:var(--brand-900);}

.empty-state{max-width:72ch;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:56px 40px;text-align:center;box-shadow:var(--shadow);}
.empty-icon{width:64px;height:64px;margin:0 auto 20px;border-radius:20px;background:var(--gold-100);display:flex;align-items:center;justify-content:center;color:var(--gold-700);font-family:'Noto Serif SC',serif;font-size:26px;font-weight:700;}
.empty-title{font-family:'Noto Serif SC',serif;font-size:24px;font-weight:700;color:var(--brand-900);margin:0 0 10px;}
.empty-desc{color:var(--ink-soft);margin:0 0 24px;}

/* tags & share */
.tags-share{max-width:72ch;margin:44px auto 0;padding-top:28px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag{font-size:13px;font-weight:600;color:var(--brand-800);background:rgba(18,166,127,.1);border-radius:999px;padding:6px 14px;}
.tag:hover{background:rgba(18,166,127,.18);}
.share-btn{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 18px;font-size:13.5px;font-weight:600;color:var(--brand-800);cursor:pointer;}
.share-btn:hover{border-color:var(--brand-500);background:rgba(18,166,127,.06);}

/* related cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;display:flex;flex-direction:column;height:100%;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:rgba(18,166,127,.4);}
.card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card-cover img{transform:scale(1.03);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-title{font-size:18px;line-height:1.5;font-weight:700;color:var(--brand-900);}
.card:hover .card-title{color:var(--brand-500);}
.card-text{font-size:14.5px;color:var(--ink-soft);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-soft);}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}

/* section head */
.section-head{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-end;justify-content:space-between;margin-bottom:40px;}
.section-head p{margin:10px 0 0;max-width:62ch;}

/* FAQ */
.faq{max-width:860px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item:hover{border-color:rgba(18,166,127,.4);box-shadow:var(--shadow);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;padding:20px 22px;font-size:16.5px;font-weight:600;color:var(--brand-900);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{content:"";width:3px;height:20px;border-radius:3px;background:var(--grad-brand);flex:0 0 3px;transition:background .2s ease;}
.faq-item[open] summary::before{background:var(--grad-gold);}
.faq-item summary .plus{margin-left:auto;font-size:20px;color:var(--gold-700);line-height:1;transition:transform .2s ease;}
.faq-item[open] summary .plus{transform:rotate(45deg);}
.faq-answer{padding:0 22px 22px 39px;color:#2B3A35;font-size:15.5px;line-height:1.85;border-top:1px solid var(--line);margin-top:0;padding-top:18px;}

/* CTA */
.cta-band{position:relative;overflow:hidden;background:var(--brand-800);color:#fff;border-radius:var(--r-lg);padding:56px 48px;box-shadow:0 24px 60px rgba(10,46,40,.28);}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;opacity:.28;}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(10,46,40,.95) 0%,rgba(14,75,62,.86) 100%);}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;}
.cta-band .h2{color:#fff;}
.cta-band .lead{color:rgba(255,255,255,.86);}
.trust-list{display:grid;gap:12px;margin-top:26px;}
.trust-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.9);}
.trust-list li span.dot{width:8px;height:8px;border-radius:50%;background:var(--gold-500);flex:0 0 8px;margin-top:9px;}
.form-card{background:#fff;border-radius:var(--r-md);padding:28px;box-shadow:0 20px 50px rgba(10,46,40,.22);color:var(--ink);}
.form-field{margin-bottom:16px;}
.form-field label{display:block;font-size:13.5px;font-weight:600;color:var(--brand-800);margin-bottom:7px;}
.form-field input,.form-field textarea{width:100%;border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 14px;background:#fff;outline:0;transition:border-color .2s ease,box-shadow .2s ease;font-size:15px;}
.form-field input:focus,.form-field textarea:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(18,166,127,.16);}
.form-field textarea{resize:vertical;min-height:104px;}
.form-note{font-size:12.5px;color:var(--ink-soft);margin:12px 0 0;line-height:1.7;}
.form-actions{display:flex;justify-content:flex-end;margin-top:6px;}

/* footer */
.site-footer{background:#fff;border-top:1px solid var(--line);margin-top:96px;}
.footer-top{display:grid;grid-template-columns:1.1fr 2fr;gap:48px;padding-top:64px;padding-bottom:52px;}
.footer-brand{display:flex;gap:14px;align-items:flex-start;}
.footer-brand strong{display:block;font-family:'Noto Serif SC',serif;font-size:20px;color:var(--brand-900);margin-bottom:10px;}
.footer-brand p{margin:0;font-size:14px;color:var(--ink-soft);line-height:1.8;max-width:32ch;}
.footer-cols{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;}
.footer-cols h4{font-size:14px;font-weight:700;color:var(--brand-900);margin:0 0 14px;}
.footer-cols ul{display:grid;gap:9px;}
.footer-cols li{font-size:14px;color:var(--ink-soft);line-height:1.7;}
.footer-cols a{color:var(--ink-soft);}
.footer-cols a:hover{color:var(--brand-500);transform:translateX(-2px);display:inline-block;}
.footer-bottom{background:var(--brand-900);color:rgba(255,255,255,.8);}
.footer-bottom-inner{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;padding:18px 32px;font-size:13px;}
.footer-bottom a{color:var(--brand-200);}
.footer-bottom a:hover{color:#fff;}

/* responsive */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .channel-inner{padding:9px 24px;}
  .article-hero .h1{font-size:36px;}
  .footer-top{grid-template-columns:1fr;gap:36px;}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .section{padding:64px 0;}
  .search-box input{width:150px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .channel-inner{padding:8px 20px;}
  .brand-sub{display:none;}
  .search-box{display:none;}
  .menu-toggle{display:flex;}
  .hot-links{display:none;}
  .h1{font-size:32px;}
  .article-hero .h1{font-size:30px;}
  .h2{font-size:25px;}
  .hero-inner{padding:38px 0 44px;}
  .article-wrap{padding:48px 0 24px;}
  .prose{font-size:16.5px;}
  .prose h2{font-size:22px;}
  .grid-3,.grid-4{grid-template-columns:1fr;}
  .footer-cols{grid-template-columns:1fr;gap:24px;}
  .cta-band{padding:34px 22px;border-radius:var(--r-md);}
  .form-card{padding:22px;}
  .section{padding:48px 0;}
  .empty-state{padding:40px 22px;}
  .faq-answer{padding-left:24px;}
  .footer-bottom-inner{padding:16px 20px;}
}
@media (max-width:520px){
  .hero-meta{font-size:12.5px;}
  .article-hero .h1{font-size:27px;}
  .h2{font-size:22px;}
  .prose h2{font-size:20px;}
  .card-title{font-size:17px;}
  .btn{padding:13px 22px;}
}

/* roulang page: category1 */
:root{
    --brand-900:#0A2E28;
    --brand-800:#0E4B3E;
    --jade:#12A67F;
    --jade-soft:#7FD9BF;
    --amber:#F2A63B;
    --amber-deep:#D9861B;
    --amber-bg:#FFF4E2;
    --ink:#16211E;
    --ink-2:#5B6B66;
    --page:#FBF8F2;
    --card:#FFFFFF;
    --line:#E6E1D6;
    --shadow-sm:0 8px 30px rgba(11,59,51,.06);
    --shadow-md:0 14px 40px rgba(11,59,51,.12);
    --radius-lg:24px;
    --radius-md:18px;
    --radius-sm:12px;
    --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    --font-title:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
    --grad-brand:linear-gradient(135deg,#0E4B3E 0%,#12A67F 100%);
    --grad-amber:linear-gradient(135deg,#F2A63B 0%,#FF8A5B 100%);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--page);
    color:var(--ink);
    font-family:var(--font-body);
    font-size:17px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;}
  a{color:inherit;text-decoration:none;}
  button,input,textarea{font:inherit;color:inherit;}
  h1,h2,h3,h4{font-family:var(--font-title);font-weight:700;color:var(--brand-900);margin:0;letter-spacing:-.01em;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:none;box-shadow:0 0 0 2px #F2A63B,0 0 0 4px rgba(242,166,59,.28);border-radius:8px;}
  ::selection{background:rgba(18,166,127,.22);}

  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
  .num{font-variant-numeric:tabular-nums;}
  .sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;}

  /* ---------- header ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:rgba(251,248,242,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .22s ease-out,background .22s ease-out;}
  .site-header.is-scrolled{background:rgba(255,255,255,.9);box-shadow:0 10px 30px rgba(11,59,51,.08);}
  .topbar-inner{display:flex;align-items:center;gap:20px;height:62px;transition:height .22s ease-out;}
  .is-scrolled .topbar-inner{height:54px;}
  .brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
  .brand-mark{width:36px;height:36px;border-radius:12px;background:var(--grad-brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-title);font-size:18px;font-weight:700;box-shadow:0 6px 18px rgba(14,75,62,.28);}
  .brand-text{font-family:var(--font-title);font-size:20px;font-weight:700;color:var(--brand-900);letter-spacing:.01em;}
  .brand-sub{font-size:12px;color:var(--ink-2);margin-left:4px;display:none;}
  .topbar-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
  .search-box{display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink-2);transition:border-color .2s ease,box-shadow .2s ease;}
  .search-box:focus-within{border-color:var(--jade);box-shadow:0 0 0 3px rgba(127,217,191,.35);}
  .search-box input{border:0;outline:none;background:transparent;width:180px;font-size:14px;}
  .search-box i{font-size:13px;}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;}
  .btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 26px rgba(14,75,62,.24);}
  .btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 32px rgba(14,75,62,.32);filter:brightness(1.05);}
  .btn-primary:active{transform:translateY(0);}
  .btn-outline{background:#fff;color:var(--brand-800);border-color:rgba(14,75,62,.35);}
  .btn-outline:hover{background:rgba(127,217,191,.14);border-color:var(--jade);}
  .btn-sm{padding:9px 18px;font-size:14px;border-radius:10px;}
  .btn-block{width:100%;}
  .nav-toggle{display:none;align-items:center;gap:8px;padding:9px 14px;border:1px solid var(--line);background:#fff;border-radius:10px;font-size:14px;cursor:pointer;}

  .channel-bar{border-top:1px solid var(--line);background:rgba(255,255,255,.6);}
  .channel-inner{display:flex;align-items:center;gap:22px;height:48px;overflow-x:auto;scrollbar-width:none;}
  .channel-inner::-webkit-scrollbar{display:none;}
  .channel{position:relative;padding:12px 2px 13px;font-size:15px;color:var(--ink-2);white-space:nowrap;transition:color .2s ease;}
  .channel::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .24s ease-out;}
  .channel:hover{color:var(--brand-800);}
  .channel:hover::after{transform:scaleX(.55);}
  .channel.active{color:var(--brand-900);font-weight:700;}
  .channel.active::after{transform:scaleX(1);}
  .hot-links{display:flex;align-items:center;gap:12px;margin-left:auto;padding-left:22px;border-left:1px solid var(--line);font-size:13px;color:var(--ink-2);white-space:nowrap;}
  .hot-links a{color:var(--amber-deep);font-weight:600;transition:color .2s ease;}
  .hot-links a:hover{color:var(--brand-600);}

  .mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:18px 0 22px;}
  .mobile-drawer.open{display:block;}
  .drawer-list{display:flex;flex-direction:column;gap:2px;margin-bottom:16px;}
  .drawer-list a{padding:11px 4px;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink-2);}
  .drawer-list a.active{color:var(--brand-900);font-weight:700;}
  .drawer-hot{font-size:13px;color:var(--ink-2);display:flex;flex-wrap:wrap;gap:10px;}

  /* ---------- breadcrumb ---------- */
  .crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
  .crumb-inner{display:flex;align-items:center;gap:10px;height:52px;font-size:14px;color:var(--ink-2);flex-wrap:nowrap;overflow:hidden;}
  .crumb-inner a:hover{color:var(--jade);}
  .crumb-current{color:var(--brand-900);font-weight:700;}
  .crumb-sep{color:#C9C3B5;}

  /* ---------- hero ---------- */
  .page-hero{position:relative;overflow:hidden;background:var(--brand-900);}
  .page-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.5;}
  .page-hero-mask{position:absolute;inset:0;background:linear-gradient(135deg,rgba(10,46,40,.94) 0%,rgba(14,75,62,.82) 55%,rgba(18,166,127,.62) 100%);}
  .page-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:55fr 45fr;gap:48px;align-items:center;padding:76px 0 70px;}
  .hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);color:#EAF6F1;font-size:13px;font-weight:600;}
  .hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--amber);}
  .page-hero h1{color:#fff;font-size:46px;line-height:1.25;margin:22px 0 18px;letter-spacing:-.01em;}
  .hero-sub{color:rgba(255,255,255,.86);font-size:17px;line-height:1.9;max-width:620px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
  .hero-actions .btn-outline{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.4);}
  .hero-actions .btn-outline:hover{background:rgba(255,255,255,.18);border-color:#fff;}
  .hero-metrics{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
  .hero-chip{display:inline-flex;align-items:center;gap:8px;padding:8px 15px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:13px;font-weight:600;}
  .hero-chip i{color:var(--jade-soft);}
  .hero-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(255,255,255,.22);box-shadow:0 24px 60px rgba(0,0,0,.32);}
  .hero-visual img{width:100%;height:380px;object-fit:cover;}
  .hero-visual-tag{position:absolute;left:18px;bottom:18px;right:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;border-radius:16px;background:rgba(10,46,40,.78);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.18);color:#fff;font-size:13px;line-height:1.6;}
  .hero-visual-tag strong{display:block;font-size:15px;font-family:var(--font-title);}

  /* ---------- generic section ---------- */
  .section{padding:96px 0;}
  .section-tight{padding:72px 0;}
  .section-head{max-width:820px;margin-bottom:44px;}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--jade);letter-spacing:.06em;margin-bottom:12px;}
  .eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad-brand);}
  h2.section-title{font-size:31px;line-height:1.35;position:relative;padding-left:16px;}
  h2.section-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--grad-brand);}
  .section-desc{color:var(--ink-2);margin-top:16px;font-size:16.5px;}

  /* ---------- split blocks 55/45 ---------- */
  .split{display:grid;gap:56px;align-items:center;}
  .split-55-45{grid-template-columns:55fr 45fr;}
  .split-45-55{grid-template-columns:45fr 55fr;}
  .split + .split{margin-top:88px;}
  .split-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);}
  .split-figure img{width:100%;height:360px;object-fit:cover;transition:transform .5s ease-out;}
  .split-figure:hover img{transform:scale(1.03);}
  .figure-note{position:absolute;left:0;right:0;bottom:0;padding:16px 20px;background:linear-gradient(0deg,rgba(10,46,40,.86),rgba(10,46,40,0));color:#fff;font-size:13.5px;}
  .split-copy h3{font-size:22px;margin-bottom:14px;}
  .split-copy p{color:var(--ink-2);margin-bottom:16px;font-size:16.5px;}
  .check-list{display:flex;flex-direction:column;gap:12px;margin-top:6px;}
  .check-list li{display:flex;gap:12px;align-items:flex-start;font-size:16px;color:var(--ink);}
  .check-list i{color:var(--jade);margin-top:6px;font-size:15px;}
  .check-list strong{color:var(--brand-900);}

  .scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:22px;}
  .scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:20px 22px;transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;}
  .scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(18,166,127,.4);}
  .scene-card h4{font-size:17px;margin-bottom:8px;}
  .scene-card p{font-size:14.5px;color:var(--ink-2);line-height:1.75;}

  /* ---------- metrics band ---------- */
  .metrics-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:44px 0;}
  .metric-card{position:relative;padding:22px 22px 20px;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--page);transition:transform .22s ease-out,box-shadow .22s ease-out;}
  .metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
  .metric-value{font-family:var(--font-title);font-size:40px;line-height:1.1;color:var(--brand-800);font-variant-numeric:tabular-nums;}
  .metric-value span{font-size:17px;margin-left:4px;color:var(--ink-2);font-family:var(--font-body);}
  .metric-card p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.7;}
  .metric-tag{position:absolute;right:16px;bottom:16px;font-size:12px;font-weight:600;color:var(--amber-deep);background:var(--amber-bg);border-radius:999px;padding:3px 10px;}

  /* ---------- timeline ---------- */
  .timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:12px;}
  .timeline::before{content:"";position:absolute;left:12px;right:12px;top:23px;height:2px;background:linear-gradient(90deg,rgba(18,166,127,.15),rgba(18,166,127,.5),rgba(242,166,59,.55));}
  .step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:52px 22px 22px;transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;}
  .step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(18,166,127,.4);}
  .step-dot{position:absolute;top:12px;left:22px;width:22px;height:22px;border-radius:50%;background:var(--grad-brand);border:4px solid #fff;box-shadow:0 0 0 1px rgba(18,166,127,.45);}
  .step-no{position:absolute;top:14px;right:20px;font-size:13px;font-weight:700;color:var(--amber-deep);font-variant-numeric:tabular-nums;}
  .step h3{font-size:18px;margin-bottom:10px;}
  .step p{font-size:14.5px;color:var(--ink-2);line-height:1.78;}

  /* ---------- compare ---------- */
  .compare{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:16px;}
  .compare-col{border-radius:var(--radius-lg);padding:30px 30px 28px;}
  .compare-left{background:#fff;border:1px solid var(--line);color:var(--ink-2);}
  .compare-right{position:relative;background:#fff;border:1px solid transparent;background-image:linear-gradient(#fff,#fff),var(--grad-brand);background-origin:border-box;background-clip:padding-box,border-box;box-shadow:0 16px 40px rgba(11,59,51,.1);}
  .compare-col h3{font-size:20px;margin-bottom:16px;}
  .compare-col ul{display:flex;flex-direction:column;gap:13px;}
  .compare-col li{display:flex;gap:11px;align-items:flex-start;font-size:15.5px;line-height:1.75;}
  .compare-left li i{color:#B7B1A5;margin-top:6px;font-size:13px;}
  .compare-right li i{color:var(--jade);margin-top:6px;font-size:15px;}
  .compare-badge{position:absolute;top:-13px;right:26px;padding:5px 14px;border-radius:999px;background:var(--amber-bg);color:#B4720F;font-size:12.5px;font-weight:700;border:1px solid rgba(242,166,59,.4);}

  /* ---------- faq ---------- */
  .faq-wrap{max-width:860px;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{position:relative;display:flex;align-items:center;gap:14px;padding:20px 44px 20px 16px;cursor:pointer;font-size:17px;font-weight:600;color:var(--brand-900);list-style:none;transition:background .2s ease;}
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::before{content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:3px;background:var(--grad-brand);transition:background .22s ease;}
  .faq-item summary::after{content:"+";position:absolute;right:12px;font-size:22px;font-weight:400;color:var(--jade);transition:transform .22s ease-out,color .22s ease;}
  .faq-item summary:hover{background:rgba(127,217,191,.1);}
  .faq-item[open] summary::before{background:var(--grad-amber);}
  .faq-item[open] summary::after{content:"+";transform:rotate(45deg);color:var(--amber-deep);}
  .faq-body{padding:0 44px 22px 16px;color:var(--ink-2);font-size:16px;line-height:1.85;}

  /* ---------- cta ---------- */
  .cta-band{background:linear-gradient(180deg,#FFFFFF 0%,#F3F7F4 100%);border-top:1px solid var(--line);}
  .cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
  .trust-list{display:flex;flex-direction:column;gap:14px;margin-top:26px;}
  .trust-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--ink-2);}
  .trust-list i{color:var(--brand-600);margin-top:6px;}
  .form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-sm);}
  .field{margin-bottom:18px;}
  .field label{display:block;font-size:14px;font-weight:600;color:var(--brand-900);margin-bottom:8px;}
  .field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 14px;font-size:15px;background:#FDFCF9;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;}
  .field input:focus,.field textarea:focus{outline:none;border-color:var(--jade);background:#fff;box-shadow:0 0 0 3px rgba(127,217,191,.35);}
  .field textarea{resize:vertical;min-height:108px;line-height:1.7;}
  .form-hint{font-size:13px;color:var(--ink-2);margin-top:14px;line-height:1.7;}
  .form-note{display:none;margin-top:14px;padding:12px 16px;border-radius:12px;background:rgba(18,166,127,.1);border:1px solid rgba(18,166,127,.35);color:var(--brand-800);font-size:14px;}

  /* ---------- footer ---------- */
  .site-footer{background:#fff;border-top:1px solid var(--line);margin-top:0;}
  .footer-top{display:grid;grid-template-columns:1.05fr 2fr;gap:48px;padding:64px 32px 52px;}
  .footer-brand{display:flex;gap:14px;align-items:flex-start;}
  .footer-brand strong{font-family:var(--font-title);font-size:20px;color:var(--brand-900);display:block;}
  .footer-brand p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.8;max-width:320px;}
  .footer-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
  .footer-cols h4{font-size:15px;margin-bottom:14px;color:var(--brand-900);}
  .footer-cols ul{display:flex;flex-direction:column;gap:10px;}
  .footer-cols li a,.footer-cols li span{font-size:14px;color:var(--ink-2);transition:color .2s ease,transform .2s ease;display:inline-block;}
  .footer-cols li a:hover{color:var(--jade);transform:translateX(2px);}
  .footer-bottom{background:var(--brand-900);color:rgba(255,255,255,.78);}
  .footer-bottom-inner{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:16px 32px;font-size:13px;}
  .footer-bottom-inner a{color:var(--jade-soft);}
  .footer-bottom-inner a:hover{text-decoration:underline;}

  /* ---------- responsive ---------- */
  @media (max-width:1024px){
    .container{padding:0 24px;}
    .footer-top{grid-template-columns:1fr;padding:52px 24px 44px;}
    .footer-cols{grid-template-columns:repeat(2,1fr);}
    .page-hero-inner{grid-template-columns:1fr;gap:36px;padding:60px 0 56px;}
    .page-hero h1{font-size:38px;}
    .hero-visual img{height:300px;}
    .section{padding:72px 0;}
    .split-55-45,.split-45-55{grid-template-columns:1fr;gap:32px;}
    .split + .split{margin-top:64px;}
    .split-45-55 .split-figure{order:-1;}
    .metrics-grid{grid-template-columns:repeat(2,1fr);padding:36px 0;}
    .timeline{grid-template-columns:repeat(2,1fr);}
    .timeline::before{display:none;}
    .compare{grid-template-columns:1fr;}
    .cta-grid{grid-template-columns:1fr;gap:34px;}
    .scene-grid{grid-template-columns:1fr;}
  }
  @media (max-width:768px){
    body{font-size:16px;}
    .container{padding:0 20px;}
    .search-box{display:none;}
    .nav-toggle{display:inline-flex;}
    .channel-bar{display:none;}
    .hot-links{display:none;}
    .page-hero-inner{padding:48px 0 46px;}
    .page-hero h1{font-size:30px;}
    .hero-sub{font-size:16px;}
    .hero-visual img{height:230px;}
    .section{padding:54px 0;}
    h2.section-title{font-size:24px;}
    .metrics-grid{grid-template-columns:1fr 1fr;gap:14px;padding:28px 0;}
    .metric-value{font-size:32px;}
    .timeline{grid-template-columns:1fr;}
    .footer-cols{grid-template-columns:1fr;}
    .footer-bottom-inner{flex-direction:column;padding:16px 20px;}
    .split-figure img{height:240px;}
    .compare-col{padding:24px 22px;}
    .form-card{padding:22px;}
    .btn{padding:13px 22px;}
    .hero-actions .btn{width:100%;}
  }
  @media (max-width:520px){
    .hero-metrics{gap:8px;}
    .hero-chip{font-size:12px;padding:7px 12px;}
    .metrics-grid{grid-template-columns:1fr;}
    .scene-grid{grid-template-columns:1fr;}
  }

/* roulang page: category2 */
:root{
    --brand-900:#0A2E28;
    --brand-700:#0E4B3E;
    --brand-600:#12A67F;
    --brand-200:#7FD9BF;
    --accent-500:#F2A63B;
    --accent-700:#D9861B;
    --accent-50:#FFF4E2;
    --ink:#16211E;
    --muted:#5B6B66;
    --paper:#FBF8F2;
    --soft:#F4F1E8;
    --line:#E6E1D6;
    --radius-lg:24px;
    --radius-md:18px;
    --radius-sm:12px;
    --shadow-sm:0 8px 30px rgba(11,59,51,.06);
    --shadow-md:0 14px 40px rgba(11,59,51,.12);
    --grad-brand:linear-gradient(135deg,#0E4B3E 0%,#12A67F 100%);
    --grad-accent:linear-gradient(135deg,#F2A63B 0%,#FF8A5B 100%);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
    font-size:16.5px;
    line-height:1.85;
    color:var(--ink);
    background:var(--paper);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;height:auto}
  a{color:inherit;text-decoration:none;transition:color .2s ease,transform .2s ease,opacity .2s ease}
  button,input,textarea,select{font:inherit;color:inherit}
  h1,h2,h3,h4{font-family:'Noto Serif SC','Songti SC',serif;margin:0;letter-spacing:-0.01em;line-height:1.3;color:var(--brand-900)}
  h1{font-size:clamp(30px,4.1vw,50px);font-weight:700;line-height:1.25}
  h2{font-size:clamp(24px,2.9vw,32px);font-weight:700}
  h3{font-size:20px;font-weight:600}
  p{margin:0}
  ul,ol{margin:0;padding:0;list-style:none}
  :focus-visible{outline:none;box-shadow:0 0 0 2px #ffffff,0 0 0 4px var(--accent-500);border-radius:6px}
  ::selection{background:rgba(18,166,127,.2)}
  body .container{width:100%;max-width:1240px;margin:0 auto;padding-left:32px;padding-right:32px}
  .section{padding:96px 0}
  .section-tight{padding:72px 0}
  .section-head{max-width:760px;margin-bottom:48px}
  .section-head h2{position:relative;padding-left:18px}
  .section-head h2::before{
    content:"";position:absolute;left:0;top:8px;bottom:8px;width:5px;border-radius:4px;
    background:var(--grad-brand);
  }
  .section-sub{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.85}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--accent-700);
    background:var(--accent-50);border-radius:999px;padding:6px 14px;margin-bottom:18px;
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500)}

  /* ---------- 顶部导航 ---------- */
  .site-header{position:sticky;top:0;z-index:80;transition:box-shadow .28s ease}
  .brand-bar{
    height:56px;display:flex;align-items:center;background:var(--brand-900);
    transition:height .28s ease,background-color .28s ease,backdrop-filter .28s ease;
  }
  .brand-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%}
  .brand-logo{display:inline-flex;align-items:center;gap:10px;color:#fff}
  .brand-mark{
    width:32px;height:32px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
    background:var(--grad-brand);color:#fff;font-family:'Noto Serif SC',serif;font-weight:700;font-size:17px;
    box-shadow:0 0 0 1px rgba(127,217,191,.35) inset;
  }
  .brand-name{font-family:'Noto Serif SC',serif;font-size:19px;font-weight:700;letter-spacing:.02em}
  .brand-tools{display:flex;align-items:center;gap:12px}
  .nav-search{
    display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.10);
    border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:0 14px;height:34px;min-width:250px;
    transition:border-color .2s ease,background-color .2s ease;
  }
  .nav-search:focus-within{border-color:var(--brand-200);background:rgba(255,255,255,.16)}
  .nav-search i{color:rgba(255,255,255,.62);font-size:13px}
  .nav-search input{
    background:transparent;border:0;outline:none;color:#fff;font-size:13.5px;width:100%;
  }
  .nav-search input::placeholder{color:rgba(255,255,255,.55)}
  .nav-toggle{
    display:none;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.2);color:#fff;
    width:36px;height:36px;border-radius:10px;cursor:pointer;
  }
  .channel-bar{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);transition:background-color .28s ease,box-shadow .28s ease,backdrop-filter .28s ease}
  .channel-inner{display:flex;align-items:center;gap:26px;height:50px;overflow-x:auto;scrollbar-width:none}
  .channel-inner::-webkit-scrollbar{display:none}
  .channel{
    position:relative;flex:none;font-size:15px;font-weight:500;color:var(--muted);padding:14px 0;white-space:nowrap;
  }
  .channel::after{
    content:"";position:absolute;left:0;right:0;bottom:6px;height:3px;border-radius:3px;
    background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
  }
  .channel:hover{color:var(--brand-700)}
  .channel:hover::after{transform:scaleX(1)}
  .channel.active{color:var(--brand-900);font-weight:700}
  .channel.active::after{transform:scaleX(1)}
  .hot-links{margin-left:auto;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);flex:none}
  .hot-links a{color:var(--brand-600)}
  .hot-links a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:4px}
  .site-header.is-scrolled .brand-bar{height:48px;background:rgba(10,46,40,.94);backdrop-filter:blur(10px)}
  .site-header.is-scrolled .channel-bar{background:rgba(255,255,255,.88);backdrop-filter:blur(10px);box-shadow:0 6px 22px rgba(11,59,51,.08)}
  .mobile-drawer{
    display:none;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line);backdrop-filter:blur(10px);
    box-shadow:0 16px 34px rgba(11,59,51,.10);
  }
  .mobile-drawer.open{display:block}
  .mobile-drawer .container{padding-top:18px;padding-bottom:22px}
  .drawer-search{
    display:flex;align-items:center;gap:10px;height:42px;border:1px solid var(--line);border-radius:var(--radius-sm);
    padding:0 14px;background:var(--paper);margin-bottom:16px;
  }
  .drawer-search input{background:transparent;border:0;outline:none;width:100%;font-size:14px}
  .drawer-nav{display:grid;gap:4px}
  .drawer-nav a{padding:11px 12px;border-radius:10px;font-size:15px;color:var(--ink)}
  .drawer-nav a:hover{background:rgba(18,166,127,.08);color:var(--brand-700)}
  .drawer-nav a.active{background:rgba(18,166,127,.12);color:var(--brand-900);font-weight:700}
  .drawer-hot{margin-top:16px;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:10px}

  /* ---------- 面包屑 ---------- */
  .crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
  .crumb-inner{display:flex;align-items:center;gap:10px;height:52px;font-size:13.5px;color:var(--muted);overflow-x:auto;white-space:nowrap}
  .crumb-inner a{color:var(--muted)}
  .crumb-inner a:hover{color:var(--brand-600)}
  .crumb-inner .sep{color:#c9c3b5}
  .crumb-current{color:var(--brand-900);font-weight:700}

  /* ---------- Hero ---------- */
  .hero{position:relative;overflow:hidden;background:var(--brand-900);border-bottom:1px solid rgba(127,217,191,.35)}
  .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.5}
  .hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(135deg,rgba(10,46,40,.95) 0%,rgba(14,75,62,.82) 48%,rgba(18,166,127,.55) 100%);
  }
  .hero-inner{
    position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
    min-height:74vh;padding-top:72px;padding-bottom:84px;
  }
  .hero h1{color:#fff;text-shadow:0 2px 18px rgba(6,32,27,.35)}
  .hero .badge{
    display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:#fff;
    background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:7px 15px;margin-bottom:22px;
  }
  .hero .badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500)}
  .hero-sub{margin-top:22px;font-size:17px;line-height:1.9;color:rgba(255,255,255,.86);max-width:640px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
  .hero-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
  .hero-points li{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.88);
    background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:7px 14px;
  }
  .hero-points i{color:var(--brand-200);font-size:12.5px}
  .hero-media{position:relative;margin:0}
  .hero-media img{
    width:100%;border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,.22);
    box-shadow:0 30px 60px rgba(4,24,20,.45);aspect-ratio:4/3;object-fit:cover;
  }
  .hero-media-tag{
    position:absolute;left:18px;bottom:18px;display:inline-flex;align-items:center;gap:8px;
    background:rgba(10,46,40,.72);border:1px solid rgba(255,255,255,.24);color:#fff;
    font-size:12.5px;font-weight:600;border-radius:999px;padding:8px 16px;backdrop-filter:blur(6px);
  }
  .hero-media-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-200)}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:var(--radius-sm);
    padding:14px 28px;font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
    transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  }
  .btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(14,75,62,.28)}
  .btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 14px 30px rgba(14,75,62,.34)}
  .btn-primary:active{transform:translateY(0);filter:brightness(.98)}
  .btn-secondary{background:#fff;color:var(--brand-700);border-color:var(--brand-600)}
  .btn-secondary:hover{background:rgba(127,217,191,.14);transform:translateY(-1px)}
  .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.34);padding:9px 18px;font-size:13.5px}
  .btn-ghost:hover{background:rgba(255,255,255,.14)}
  .btn-sm{padding:9px 18px;font-size:13.5px}
  .btn-block{width:100%}

  /* ---------- 指标带 ---------- */
  .metrics{padding:56px 0 8px}
  .metrics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
  .metric{
    position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 26px;
    box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .metric:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(18,166,127,.4)}
  .metric-num{
    display:block;font-family:'Noto Serif SC',serif;font-size:38px;font-weight:700;color:var(--brand-700);
    line-height:1.1;font-variant-numeric:tabular-nums;
  }
  .metric-num span{font-size:16px;font-weight:600;color:var(--brand-600);margin-left:4px}
  .metric p{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.7}
  .metric .chip{
    position:absolute;right:18px;bottom:18px;font-size:12px;font-weight:600;color:var(--accent-700);
    background:var(--accent-50);border-radius:999px;padding:4px 11px;font-variant-numeric:tabular-nums;
  }

  /* ---------- 卡片墙 ---------- */
  .card-wall{column-count:3;column-gap:24px}
  .wall-card{
    break-inside:avoid;margin-bottom:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:30px 28px;box-shadow:var(--shadow-sm);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .wall-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(18,166,127,.4)}
  .wall-card.has-img{padding:0;overflow:hidden}
  .wall-card.has-img img{
    width:100%;aspect-ratio:16/10;object-fit:cover;border-bottom:1px solid var(--line);
    transition:transform .3s ease;
  }
  .wall-card.has-img:hover img{transform:scale(1.03)}
  .wall-body{padding:28px}
  .wall-card h3{margin-bottom:12px;font-size:19.5px;line-height:1.5}
  .wall-card p{color:var(--muted);font-size:15px;line-height:1.85}
  .tag{
    display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--brand-700);
    background:rgba(18,166,127,.10);border-radius:999px;padding:5px 12px;margin-bottom:14px;
  }
  .tag.amber{color:var(--accent-700);background:var(--accent-50)}
  .wall-note{
    margin-top:6px;padding:14px 16px;border-left:3px solid var(--brand-600);background:rgba(18,166,127,.06);
    border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:13.5px;color:var(--muted);line-height:1.8;
  }

  /* ---------- 阶段流程 ---------- */
  .stage-section{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .stage-track{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}
  .stage-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:26px 22px;
    box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .stage-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(18,166,127,.4)}
  .stage-num{
    display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;
    background:var(--grad-brand);color:#fff;font-size:13px;font-weight:700;margin-bottom:16px;
    font-variant-numeric:tabular-nums;
  }
  .stage-item h3{font-size:18px;margin-bottom:10px}
  .stage-item p{font-size:14px;color:var(--muted);line-height:1.8}
  .stage-foot{
    margin-top:32px;background:#fff;border:1px dashed rgba(18,166,127,.45);border-radius:var(--radius-md);
    padding:22px 26px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  }
  .stage-foot p{font-size:14.5px;color:var(--muted)}
  .stage-foot strong{color:var(--brand-900);font-family:'Noto Serif SC',serif}

  /* ---------- FAQ ---------- */
  .faq-list{max-width:880px;margin:0 auto;border-top:1px solid var(--line)}
  .faq-item{border-bottom:1px solid var(--line);transition:background-color .2s ease}
  .faq-item:hover{background:rgba(18,166,127,.04)}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:24px 6px 24px 18px;position:relative;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::before{
    content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:3px;background:var(--grad-brand);
    transition:background .24s ease;
  }
  .faq-item[open] summary::before{background:var(--grad-accent)}
  .faq-q{font-size:17px;font-weight:600;color:var(--brand-900);line-height:1.6}
  .faq-icon{position:relative;width:18px;height:18px;flex:none;transition:transform .24s ease}
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand-600);border-radius:2px;transition:opacity .24s ease,transform .24s ease}
  .faq-icon::before{left:0;top:8px;width:18px;height:2px}
  .faq-icon::after{left:8px;top:0;width:2px;height:18px}
  .faq-item[open] .faq-icon{transform:rotate(45deg)}
  .faq-item[open] .faq-icon::after{opacity:0}
  .faq-a{padding:0 46px 26px 18px;color:var(--muted);font-size:15.5px;line-height:1.85}
  .faq-a p+p{margin-top:12px}

  /* ---------- CTA / 表单 ---------- */
  .cta-section{
    position:relative;overflow:hidden;background:var(--brand-900);color:#fff;
  }
  .cta-section::before{
    content:"";position:absolute;inset:0;
    background:linear-gradient(135deg,rgba(14,75,62,.95) 0%,rgba(10,46,40,.98) 55%,rgba(18,166,127,.42) 100%);
  }
  .cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
  .cta-inner h2{color:#fff;padding-left:18px;position:relative}
  .cta-inner h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:5px;border-radius:4px;background:var(--grad-accent)}
  .cta-copy p{margin-top:20px;color:rgba(255,255,255,.84);font-size:16px;line-height:1.9}
  .trust-list{margin-top:30px;display:grid;gap:12px}
  .trust-list li{
    display:flex;align-items:flex-start;gap:12px;font-size:14.5px;color:rgba(255,255,255,.9);
    background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-sm);padding:14px 18px;
  }
  .trust-list i{color:var(--brand-200);margin-top:5px;font-size:13px}
  .lead-card{background:#fff;border-radius:var(--radius-lg);padding:34px;box-shadow:0 30px 60px rgba(4,24,20,.35);color:var(--ink)}
  .lead-card h3{font-size:21px;margin-bottom:8px}
  .lead-card .lead-note{font-size:13.5px;color:var(--muted);margin-bottom:24px}
  .field{margin-bottom:18px}
  .field label{display:block;font-size:13.5px;font-weight:600;color:var(--brand-900);margin-bottom:8px}
  .field input,.field textarea{
    width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);padding:13px 15px;font-size:15px;
    background:#fff;transition:border-color .2s ease,box-shadow .2s ease;outline:none;
  }
  .field textarea{min-height:118px;resize:vertical;line-height:1.75}
  .field input::placeholder,.field textarea::placeholder{color:#a9b1ad}
  .field input:focus,.field textarea:focus{border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(127,217,191,.35)}
  .form-tip{
    margin-top:16px;display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--brand-700);
    background:rgba(18,166,127,.10);border:1px solid rgba(18,166,127,.32);border-radius:var(--radius-sm);padding:14px 16px;
  }
  .form-tip i{margin-top:4px}
  .form-foot{margin-top:6px;font-size:12.5px;color:var(--muted);text-align:center}

  /* ---------- 页脚 ---------- */
  .site-footer{background:#fff;border-top:1px solid var(--line)}
  .footer-top{display:grid;grid-template-columns:1.15fr 2.4fr;gap:52px;padding-top:76px;padding-bottom:60px}
  .footer-brand{display:flex;gap:14px;align-items:flex-start}
  .footer-brand .brand-mark{background:var(--grad-brand);width:40px;height:40px;border-radius:12px;font-size:20px}
  .footer-brand strong{display:block;font-family:'Noto Serif SC',serif;font-size:20px;color:var(--brand-900)}
  .footer-brand p{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.85;max-width:300px}
  .footer-cols{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
  .footer-cols h4{font-size:15px;font-weight:700;color:var(--brand-900);margin-bottom:16px}
  .footer-cols li{margin-bottom:11px}
  .footer-cols a,.footer-cols span{font-size:14px;color:var(--muted);line-height:1.7}
  .footer-cols a:hover{color:var(--brand-600);transform:translateX(2px);display:inline-block}
  .footer-bottom{background:var(--brand-900);color:rgba(255,255,255,.78)}
  .footer-bottom-inner{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding-top:20px;padding-bottom:20px;font-size:13px}
  .footer-bottom a{color:var(--brand-200)}
  .footer-bottom a:hover{color:#fff}

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    body .container{padding-left:24px;padding-right:24px}
    .section{padding:64px 0}
    .section-tight{padding:56px 0}
    .hero-inner{grid-template-columns:1fr;gap:40px;min-height:0;padding-top:56px;padding-bottom:64px}
    .card-wall{column-count:2}
    .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .stage-track{grid-template-columns:repeat(2,minmax(0,1fr))}
    .cta-inner{grid-template-columns:1fr;gap:36px}
    .footer-top{grid-template-columns:1fr;gap:40px;padding-top:56px;padding-bottom:48px}
    .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr))}
    .nav-search{min-width:180px}
  }
  @media (max-width:768px){
    .nav-search{display:none}
    .brand-tools .btn-ghost{display:none}
    .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
    .hot-links{display:none}
    .channel-inner{gap:20px}
    .stage-track{grid-template-columns:1fr}
    .section{padding:48px 0}
    .faq-a{padding-right:16px}
    .lead-card{padding:26px 22px}
  }
  @media (max-width:640px){
    body .container{padding-left:20px;padding-right:20px}
    .card-wall{column-count:1}
    .metrics-grid{grid-template-columns:1fr}
    .footer-cols{grid-template-columns:1fr}
    .hero-sub{font-size:15.5px}
    .btn{padding:13px 22px;font-size:14.5px}
    .hero-actions .btn{flex:1 1 100%}
    .stage-foot{flex-direction:column;align-items:flex-start}
    .crumb-inner{height:48px}
  }

/* roulang page: category3 */
:root{
  --brand-900:#0A2E28;--brand-800:#0E4B3E;--brand-600:#12A67F;--brand-300:#7FD9BF;
  --amber:#F2A63B;--amber-deep:#B4720F;--amber-soft:#FFF4E2;
  --ink:#16211E;--ink-soft:#5B6B66;--ink-mute:#8A968F;
  --bg:#FBF8F2;--card:#FFFFFF;--line:#E6E1D6;
  --grad-brand:linear-gradient(135deg,#0E4B3E 0%,#12A67F 100%);
  --grad-accent:linear-gradient(135deg,#F2A63B 0%,#FF8A5B 100%);
  --r-lg:24px;--r-md:18px;--r-sm:12px;
  --sh-1:0 8px 30px rgba(11,59,51,.06);
  --sh-2:0 18px 42px rgba(11,59,51,.14);
  --tr:220ms cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16.5px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
body p{margin:0 0 1.05em}
body h1,body h2,body h3,body h4{margin:0}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--tr)}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.serif{font-family:"Noto Serif SC","Songti SC",serif;font-weight:700;letter-spacing:-.01em}

/* ============ 头部 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(251,248,242,.92);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(230,225,214,.9);
  transition:box-shadow var(--tr),background var(--tr);
}
.site-header.scrolled{background:rgba(255,255,255,.95);box-shadow:0 6px 26px rgba(11,59,51,.09)}
.top-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:12px;padding-bottom:12px;transition:padding var(--tr)}
.site-header.scrolled .top-inner{padding-top:7px;padding-bottom:7px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand-mark{
  width:42px;height:42px;border-radius:14px;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-family:"Noto Serif SC",serif;font-size:21px;font-weight:700;
  box-shadow:0 8px 20px rgba(14,75,62,.26);flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-family:"Noto Serif SC","Songti SC",serif;font-size:19px;font-weight:700;color:var(--brand-900);letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:12px;color:var(--ink-mute);letter-spacing:.06em}
.top-actions{display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;min-width:260px;transition:border-color var(--tr),box-shadow var(--tr)}
.search-box:focus-within{border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(127,217,191,.3)}
.search-box svg{width:16px;height:16px;color:var(--ink-mute);flex:none}
.search-box input{border:0;outline:none;background:transparent;width:100%;font-size:14px}
.search-box input::placeholder{color:#A9B4AF}
.btn-consult{
  display:inline-flex;align-items:center;gap:6px;padding:10px 22px;border-radius:12px;
  background:var(--grad-brand);color:#fff;font-size:14.5px;font-weight:600;
  box-shadow:0 8px 20px rgba(14,75,62,.24);transition:transform var(--tr),filter var(--tr),box-shadow var(--tr);white-space:nowrap;
}
.btn-consult:hover{transform:translateY(-1px);filter:brightness(1.07);box-shadow:0 12px 26px rgba(14,75,62,.3)}
.btn-consult:active{transform:translateY(0)}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;padding:11px 10px;flex-direction:column;justify-content:space-between}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--brand-800);transition:transform var(--tr),opacity var(--tr)}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 频道条 */
.channel-bar{background:transparent}
.channel-inner{display:flex;align-items:center;gap:2px;overflow-x:auto;white-space:nowrap;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel{position:relative;flex:none;padding:12px 14px 14px;font-size:15px;font-weight:500;color:var(--ink-soft)}
.channel:hover{color:var(--brand-800)}
.channel.active{color:var(--brand-800);font-weight:700}
.channel.active::after{content:"";position:absolute;left:12px;right:12px;bottom:6px;height:3px;border-radius:3px;background:var(--grad-brand)}
.hot-links{margin-left:auto;display:flex;align-items:center;gap:12px;flex:none;padding-left:24px;font-size:13px;color:var(--ink-mute)}
.hot-links a{color:var(--brand-600);font-weight:600}
.hot-links a:hover{color:var(--brand-800)}

/* 移动抽屉 */
.mobile-drawer{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 40px rgba(11,59,51,.12);padding:20px 20px 26px;max-height:calc(100vh - 70px);overflow-y:auto}
.mobile-drawer.open{display:block}
.drawer-search{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:10px 16px;margin-bottom:16px}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px}
.drawer-group{margin-bottom:18px}
.drawer-group h4{font-size:12.5px;letter-spacing:.08em;color:var(--ink-mute);margin-bottom:10px;font-weight:600}
.drawer-group a{display:block;padding:10px 12px;border-radius:12px;font-size:15px;color:var(--ink-soft)}
.drawer-group a:hover{background:rgba(127,217,191,.14);color:var(--brand-800)}
.drawer-group a.active{background:rgba(18,166,127,.1);color:var(--brand-800);font-weight:700}

/* 面包屑 */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:10px;padding-top:14px;padding-bottom:14px;font-size:13.5px;color:var(--ink-mute);flex-wrap:wrap}
.crumb a{color:var(--ink-soft)}
.crumb a:hover{color:var(--brand-600)}
.crumb strong{color:var(--brand-800);font-weight:700}
.crumb .sep{color:#C9D2CE}

/* ============ Hero ============ */
.hero{position:relative;isolation:isolate;overflow:hidden;background:var(--brand-900);color:#fff}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.6}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(135deg,rgba(10,46,40,.95) 0%,rgba(14,75,62,.8) 48%,rgba(18,166,127,.45) 100%)}
.hero-inner{padding-top:78px;padding-bottom:74px;display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center;min-height:72vh}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(127,217,191,.45);font-size:12.5px;font-weight:600;color:#D9F4EA;letter-spacing:.04em}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--amber)}
.hero h1{font-family:"Noto Serif SC","Songti SC",serif;font-size:clamp(30px,3.9vw,50px);line-height:1.26;font-weight:700;letter-spacing:-.01em;margin:20px 0 18px;color:#fff}
.hero h1 span{background:linear-gradient(135deg,#F2A63B,#FFD9A0);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.86);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 26px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:12px;font-size:15.5px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform var(--tr),background var(--tr),box-shadow var(--tr),color var(--tr),border-color var(--tr)}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 12px 28px rgba(14,75,62,.3)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.07);box-shadow:0 16px 34px rgba(14,75,62,.36)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-1px)}
.btn-outline{background:#fff;border-color:var(--brand-800);color:var(--brand-800)}
.btn-outline:hover{background:rgba(127,217,191,.16);transform:translateY(-1px)}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px}
.pill{display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);font-size:13px;font-weight:600;color:#EAF7F2}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-300)}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);border:1px solid rgba(255,255,255,.22);box-shadow:0 30px 70px rgba(4,26,22,.45)}
.visual-badge{position:absolute;left:-14px;bottom:26px;display:flex;align-items:center;gap:10px;background:#fff;color:var(--ink);border-radius:999px;padding:11px 20px;font-size:13.5px;font-weight:600;box-shadow:0 18px 40px rgba(6,32,27,.28)}
.visual-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--brand-600);box-shadow:0 0 0 4px rgba(18,166,127,.18)}
.visual-badge strong{font-variant-numeric:tabular-nums;color:var(--brand-800);font-size:16px}

/* ============ 区块通用 ============ */
.section{padding-top:96px;padding-bottom:96px}
.section.tight{padding-top:72px;padding-bottom:72px}
.section.alt{background:#fff}
.section.dark{background:linear-gradient(160deg,#0E4B3E 0%,#0A2E28 100%);color:#fff}
.sec-head{max-width:760px;margin-bottom:44px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-600);letter-spacing:.06em}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-accent)}
.sec-title{font-family:"Noto Serif SC","Songti SC",serif;font-size:clamp(24px,2.6vw,32px);line-height:1.34;font-weight:700;position:relative;padding-left:18px;margin:12px 0 16px;color:var(--brand-900)}
.sec-title::before{content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:5px;border-radius:3px;background:var(--grad-brand)}
.section.dark .sec-title{color:#fff}
.section.dark .sec-title::before{background:var(--grad-accent)}
.sec-desc{color:var(--ink-soft);font-size:16px;max-width:680px}
.section.dark .sec-desc{color:rgba(255,255,255,.82)}

/* 指标条 */
.stat-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-top:44px;padding-bottom:44px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{position:relative;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-md);padding:24px 22px 26px;transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr)}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,166,127,.4)}
.stat-num{font-family:"Noto Serif SC","Songti SC",serif;font-size:38px;line-height:1.1;color:var(--brand-800);font-variant-numeric:tabular-nums;font-weight:700}
.stat-num em{font-style:normal;font-size:16px;color:var(--brand-600);margin-left:4px;font-weight:600}
.stat-label{font-size:14.5px;font-weight:600;color:var(--ink);margin-top:10px}
.stat-note{font-size:13px;color:var(--ink-mute);margin-top:6px}
.mini-badge{position:absolute;right:16px;bottom:14px;display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:var(--amber-soft);color:var(--amber-deep);font-size:12px;font-weight:700}
.mini-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--amber-deep)}

/* 时间轴 */
.timeline{display:flex;gap:20px;overflow-x:auto;padding:8px 2px 24px;scroll-snap-type:x mandatory}
.timeline::-webkit-scrollbar{height:6px}
.timeline::-webkit-scrollbar-thumb{background:rgba(18,166,127,.35);border-radius:99px}
.tl-item{position:relative;flex:0 0 270px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px 22px 24px;box-shadow:var(--sh-1);transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr)}
.tl-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,166,127,.45)}
.tl-item::before{content:"";position:absolute;right:-20px;top:46px;width:20px;height:2px;background:repeating-linear-gradient(90deg,rgba(18,166,127,.5) 0 6px,transparent 6px 12px)}
.tl-item:last-child::before{display:none}
.tl-index{width:42px;height:42px;border-radius:13px;background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-weight:700;font-size:16px;font-variant-numeric:tabular-nums;box-shadow:0 8px 18px rgba(14,75,62,.24)}
.tl-title{font-size:18.5px;font-weight:700;color:var(--brand-900);margin:16px 0 8px}
.tl-desc{font-size:14.5px;color:var(--ink-soft);line-height:1.78}
.tl-meta{margin-top:16px;font-size:12.5px;color:var(--brand-600);font-weight:600;letter-spacing:.02em}
.scroll-hint{font-size:13px;color:var(--ink-mute);margin-top:2px}

/* 对照表 */
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1)}
table.compare{width:100%;min-width:760px;border-collapse:collapse;font-size:15.5px}
table.compare thead th{background:var(--grad-brand);color:#fff;text-align:left;padding:17px 24px;font-size:15px;font-weight:600;letter-spacing:.02em}
table.compare thead th:first-child{border-top-left-radius:var(--r-md)}
table.compare thead th:last-child{border-top-right-radius:var(--r-md)}
table.compare tbody td{padding:15px 24px;border-top:1px solid var(--line);color:var(--ink-soft);vertical-align:top}
table.compare tbody tr:nth-child(even){background:rgba(18,166,127,.035)}
table.compare tbody td:first-child{color:var(--ink);font-weight:700;width:180px}
table.compare tbody td:last-child{color:var(--brand-800);font-weight:500}
table.compare tbody tr:hover{background:rgba(242,166,59,.07)}
.mark-yes{color:var(--brand-600);font-weight:700;margin-right:6px}

/* 场景卡 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr)}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,166,127,.4)}
.scene-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 380ms cubic-bezier(.22,.61,.36,1)}
.scene-card:hover img{transform:scale(1.03)}
.scene-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.tag{align-self:flex-start;display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;background:rgba(18,166,127,.1);color:var(--brand-800);font-size:12.5px;font-weight:700}
.scene-title{font-size:19px;font-weight:700;color:var(--brand-900)}
.scene-text{font-size:15px;color:var(--ink-soft);line-height:1.8;flex:1}

/* FAQ */
.faq-list{max-width:880px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.faq-item{border-top:1px solid var(--line)}
.faq-item:first-child{border-top:0}
.faq-item summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:14px;padding:20px 24px;font-size:16.5px;font-weight:600;color:var(--brand-900);transition:background var(--tr)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";width:3px;min-height:20px;align-self:stretch;border-radius:3px;background:var(--grad-brand);flex:none;transition:background var(--tr)}
.faq-item[open] summary::before{background:var(--grad-accent)}
.faq-item summary::after{content:"+";margin-left:auto;font-size:22px;line-height:1;color:var(--brand-600);transition:transform var(--tr),color var(--tr)}
.faq-item[open] summary::after{transform:rotate(45deg);color:var(--amber-deep)}
.faq-item summary:hover{background:rgba(127,217,191,.09)}
.faq-body{padding:0 24px 22px 43px;color:var(--ink-soft);font-size:15.5px;line-height:1.82}

/* CTA */
.cta{background:linear-gradient(155deg,#0E4B3E 0%,#0A2E28 100%);color:#fff;padding-top:88px;padding-bottom:88px;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(18,166,127,.35),transparent 68%)}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:.95fr 1.05fr;gap:46px;align-items:start}
.cta h3{font-family:"Noto Serif SC","Songti SC",serif;font-size:clamp(22px,2.3vw,29px);line-height:1.4;font-weight:700;color:#fff;margin-bottom:16px}
.cta-lead{color:rgba(255,255,255,.84);font-size:16px;max-width:460px}
.trust-list{display:grid;gap:12px;margin-top:26px}
.trust-item{display:flex;align-items:flex-start;gap:12px;padding:14px 18px;border-radius:var(--r-sm);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);font-size:14.5px;color:#E7F3EF}
.trust-item i{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--grad-accent);color:#3B2202;font-size:12px;font-weight:700;font-style:normal;flex:none;margin-top:4px}
.form-card{background:#fff;color:var(--ink);border-radius:var(--r-lg);padding:30px 30px 26px;box-shadow:0 30px 70px rgba(4,24,20,.4)}
.form-card h4{font-size:19px;font-weight:700;color:var(--brand-900);margin-bottom:6px}
.form-card .form-sub{font-size:13.5px;color:var(--ink-mute);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-soft);margin-bottom:6px}
.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#fff;font-size:15px;transition:border-color var(--tr),box-shadow var(--tr)}
.field textarea{resize:vertical;min-height:110px;line-height:1.7}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(127,217,191,.35)}
.field.error input,.field.error textarea{border-color:#D9534F;box-shadow:0 0 0 3px rgba(217,83,79,.14)}
.field .msg{display:none;font-size:12px;color:#D9534F;margin-top:5px}
.field.error .msg{display:block}
.form-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:20px;flex-wrap:wrap}
.form-foot .btn-primary{padding:13px 32px}
.form-note{font-size:12.5px;color:var(--ink-mute)}
.form-tip{display:none;margin-top:16px;padding:12px 16px;border-radius:12px;background:rgba(18,166,127,.1);border:1px solid rgba(18,166,127,.35);color:var(--brand-800);font-size:14px;font-weight:600}
.form-tip.show{display:block}

/* 页脚 */
.site-footer{background:#0A2E28;color:#D6E4DF}
.footer-top{display:grid;grid-template-columns:.9fr 2.1fr;gap:44px;padding-top:66px;padding-bottom:48px}
.footer-brand{display:flex;gap:14px;align-items:flex-start}
.footer-brand .brand-mark{width:44px;height:44px;font-size:22px;box-shadow:none}
.footer-brand strong{display:block;font-family:"Noto Serif SC","Songti SC",serif;font-size:19px;color:#fff;margin-bottom:8px}
.footer-brand p{font-size:13.5px;line-height:1.75;color:#A6BDB7;max-width:300px;margin:0}
.footer-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.footer-cols h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-cols ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.footer-cols a,.footer-cols span{font-size:13.5px;color:#B4C9C4;display:inline-block;transition:color var(--tr),transform var(--tr)}
.footer-cols a:hover{color:var(--brand-300);transform:translateX(-2px)}
.footer-bottom{background:#07211C;border-top:1px solid rgba(255,255,255,.08)}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:16px;padding-bottom:16px;font-size:13px;color:#8FA9A3}
.footer-bottom a{color:var(--brand-300)}
.footer-bottom a:hover{color:#fff}

/* 响应式 */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:36px;padding-top:60px;padding-bottom:60px;min-height:auto}
  .hero-visual img{aspect-ratio:16/9}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:34px}
  .footer-top{grid-template-columns:1fr;gap:34px}
  .container{padding-left:24px;padding-right:24px}
  .section{padding-top:72px;padding-bottom:72px}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding-left:20px;padding-right:20px}
  .search-box,.btn-consult{display:none}
  .nav-toggle{display:flex}
  .brand-mark{width:38px;height:38px;font-size:19px}
  .brand-text strong{font-size:17px}
  .hot-links{display:none}
  .channel{padding:11px 11px 13px;font-size:14px}
  .hero-inner{padding-top:48px;padding-bottom:48px}
  .hero h1{font-size:31px}
  .hero-sub{font-size:15.5px}
  .btn{width:100%;justify-content:center;padding:13px 22px}
  .hero-actions{gap:12px}
  .visual-badge{left:8px;bottom:12px;padding:9px 14px;font-size:12.5px}
  .section{padding-top:52px;padding-bottom:52px}
  .stat-grid{grid-template-columns:1fr;gap:16px}
  .scene-grid{grid-template-columns:1fr;gap:18px}
  .faq-item summary{padding:17px 18px;font-size:15.5px}
  .faq-body{padding:0 18px 20px 18px}
  .form-card{padding:24px 20px}
  .form-foot{flex-direction:column;align-items:stretch}
  .form-foot .btn-primary{width:100%;justify-content:center}
  .footer-cols{grid-template-columns:1fr 1fr;gap:22px}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start;gap:6px}
}
@media (max-width:520px){
  .hero h1{font-size:28px}
  .stat-num{font-size:32px}
  .footer-cols{grid-template-columns:1fr}
}

/* roulang page: category4 */
:root{
  --brand-900:#0A2E28;
  --brand-800:#0E4B3E;
  --brand-600:#12A67F;
  --brand-300:#7FD9BF;
  --brand-100:#E6F5EF;
  --accent-700:#B4720F;
  --accent-600:#D9861B;
  --accent-500:#F2A63B;
  --accent-100:#FFF4E2;
  --ink:#16211E;
  --muted:#5B6B66;
  --paper:#FBF8F2;
  --card:#FFFFFF;
  --line:#E6E1D6;
  --grad-brand:linear-gradient(135deg,#0E4B3E 0%,#12A67F 100%);
  --grad-accent:linear-gradient(135deg,#F2A63B 0%,#FF8A5B 100%);
  --shadow-card:0 8px 30px rgba(11,59,51,.06);
  --shadow-hover:0 18px 40px rgba(11,59,51,.12);
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --serif:'Noto Serif SC','Songti SC',serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.container{max-width:1240px;margin:0 auto;padding-left:32px;padding-right:32px}
:focus-visible{outline:none;box-shadow:0 0 0 2px #fff,0 0 0 4px var(--accent-500);border-radius:10px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 10px 30px rgba(11,59,51,.10)}
.top-bar{border-bottom:1px solid var(--line)}
.top-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;transition:height .25s ease}
.site-header.scrolled .top-inner{height:56px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--grad-brand);
  color:#fff;display:grid;place-items:center;font-family:var(--serif);font-size:19px;font-weight:700;
}
.brand-text{font-family:var(--serif);font-size:20px;font-weight:700;color:var(--brand-900);letter-spacing:.01em}
.top-actions{display:flex;align-items:center;gap:14px}
.top-search{
  display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;min-width:280px;transition:border-color .2s,box-shadow .2s;
}
.top-search i{color:var(--brand-600);font-size:13px}
.top-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--ink)}
.top-search input::placeholder{color:#9AA8A3}
.top-search:focus-within{border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(127,217,191,.35)}
.top-login{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 18px;border-radius:999px;background:var(--grad-brand);color:#fff;
  font-size:14px;font-weight:600;transition:transform .2s,filter .2s;
}
.top-login:hover{transform:translateY(-1px);filter:brightness(1.08)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--brand-800);cursor:pointer;font-size:16px;
}
.nav-toggle:hover{background:var(--brand-100)}

.channel-bar{background:rgba(255,255,255,.72);border-bottom:1px solid var(--line)}
.channel-inner{display:flex;align-items:center;gap:4px;height:54px;overflow-x:auto;scrollbar-width:none;white-space:nowrap}
.channel-inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;padding:9px 13px;font-size:15px;color:var(--muted);
  border-radius:10px;transition:color .2s,background-color .2s;
}
.channel:hover{color:var(--brand-800);background:rgba(127,217,191,.16)}
.channel.active{color:var(--brand-900);font-weight:700}
.channel.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:3px;border-radius:3px;background:var(--grad-brand);
}
.hot-links{margin-left:auto;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);padding-left:18px}
.hot-links a{color:var(--brand-600);font-weight:500}
.hot-links a:hover{text-decoration:underline;text-underline-offset:3px}

/* drawer */
.drawer{position:fixed;inset:0;z-index:95;background:rgba(10,46,40,.55);backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .25s ease}
.drawer.open{opacity:1;pointer-events:auto}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(86vw,380px);height:100%;background:#fff;
  padding:24px;overflow-y:auto;transform:translateX(100%);transition:transform .28s ease;
}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--brand-800);cursor:pointer}
.drawer-nav{display:grid;gap:6px}
.drawer-nav a{padding:12px 14px;border-radius:12px;color:var(--muted);font-size:15px;transition:background-color .2s,color .2s}
.drawer-nav a:hover{background:var(--brand-100);color:var(--brand-800)}
.drawer-nav a.active{background:var(--brand-100);color:var(--brand-900);font-weight:700}
.drawer-hot{margin:22px 0;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--muted)}
.drawer-hot a{padding:5px 12px;border-radius:999px;background:var(--accent-100);color:var(--accent-700);font-weight:600}
.drawer-cta{width:100%;justify-content:center}

/* ---------- buttons & badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,filter .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(14,75,62,.24)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.08);box-shadow:0 14px 30px rgba(14,75,62,.32)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--brand-800);color:var(--brand-800)}
.btn-ghost:hover{background:rgba(127,217,191,.14)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.14)}
.btn-block{width:100%}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--accent-100);color:var(--accent-700);
  font-size:13px;font-weight:600;
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-500)}
.badge-invert{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.28)}
.badge-soft{background:var(--brand-100);color:var(--brand-800)}
.badge-soft .dot{background:var(--brand-600)}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--brand-600);letter-spacing:.08em;margin-bottom:12px}
.sec-title{
  position:relative;padding-left:18px;
  font-family:var(--serif);font-size:clamp(24px,2.7vw,31px);
  color:var(--brand-900);letter-spacing:.004em;
}
.sec-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:5px;border-radius:4px;background:var(--grad-brand)}
.sec-lead{color:var(--muted);font-size:16.5px;line-height:1.85;margin-top:16px;max-width:72ch}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--brand-900);overflow:hidden}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}
.hero-veil{position:absolute;inset:0;background:linear-gradient(115deg,rgba(10,46,40,.95) 0%,rgba(14,75,62,.86) 46%,rgba(10,46,40,.6) 100%)}
.hero-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;
  gap:52px;align-items:center;padding-top:96px;padding-bottom:100px;
}
.hero h1{
  font-family:var(--serif);font-weight:700;color:#fff;
  font-size:clamp(30px,4.2vw,50px);line-height:1.25;letter-spacing:-.01em;
  margin:20px 0 0;
}
.hero-sub{color:rgba(233,246,241,.9);font-size:17px;line-height:1.85;margin-top:20px;max-width:60ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-mini{display:flex;flex-wrap:wrap;gap:20px;margin-top:28px;font-size:14px;color:rgba(233,246,241,.86)}
.hero-mini span{display:inline-flex;align-items:center;gap:8px}
.hero-mini i{color:var(--brand-300)}
.hero-side{position:relative}
.media-frame{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);background:#fff}
.media-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.media-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,46,40,0) 58%,rgba(10,46,40,.32) 100%)}
.hero-media{border-color:rgba(255,255,255,.22);box-shadow:0 24px 50px rgba(4,24,20,.45)}
.hero-float{
  position:absolute;left:-18px;bottom:-18px;background:#fff;border-radius:var(--radius-md);
  padding:16px 20px;box-shadow:0 16px 38px rgba(4,24,20,.28);display:grid;gap:2px;max-width:220px;
}
.hero-float strong{font-family:var(--serif);font-size:26px;color:var(--brand-800);font-variant-numeric:tabular-nums}
.hero-float span{font-size:13px;color:var(--muted);line-height:1.5}

/* ---------- stat strip ---------- */
.stat-strip{background:var(--brand-900);border-top:1px solid rgba(127,217,191,.22);padding:22px 0}
.stat-track{
  display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:6px;scrollbar-width:none;
}
.stat-track::-webkit-scrollbar{display:none}
.stat-chip{
  flex:0 0 auto;scroll-snap-align:start;
  display:flex;align-items:center;gap:12px;
  padding:12px 20px;border-radius:999px;
  background:rgba(255,255,255,.09);border:1px solid rgba(127,217,191,.26);
  color:#DDF1E9;font-size:14px;white-space:nowrap;
}
.stat-chip strong{font-family:var(--serif);font-size:20px;color:#fff;font-variant-numeric:tabular-nums}
.stat-chip .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-500)}

/* ---------- bands ---------- */
.band{padding:88px 0;border-bottom:1px solid var(--line);background:var(--paper)}
.band-white{background:#fff}
.band:last-of-type{border-bottom:0}
.split{display:grid;grid-template-columns:55fr 45fr;gap:56px;align-items:center}
.split.reverse{grid-template-columns:45fr 55fr}
.split.reverse .split-media{order:2}
.split.reverse .split-body{order:1}
.point-list{display:grid;gap:14px;margin-top:24px}
.point-list li{display:flex;gap:12px;align-items:flex-start;color:var(--ink);font-size:16px;line-height:1.8}
.point-list i{color:var(--brand-600);margin-top:6px;flex:0 0 auto}
.point-list strong{color:var(--brand-900)}

.band-dark{position:relative;background:var(--brand-900);color:#E4F3ED;overflow:hidden;border-bottom:0}
.band-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.3}
.band-veil{position:absolute;inset:0;background:linear-gradient(120deg,rgba(10,46,40,.93) 0%,rgba(14,75,62,.82) 60%,rgba(10,46,40,.9) 100%)}
.band-inner{position:relative;z-index:2}
.band-dark .sec-title{color:#fff}
.band-dark .sec-lead{color:rgba(228,243,237,.82)}

.timeline{display:grid;gap:16px;margin-top:40px}
.tl-item{
  display:grid;grid-template-columns:150px 1fr;gap:26px;align-items:start;
  padding:24px 26px;border-radius:var(--radius-md);
  background:rgba(255,255,255,.07);border:1px solid rgba(127,217,191,.24);
  transition:transform .22s ease,background-color .22s ease,border-color .22s ease;
}
.tl-item:hover{transform:translateY(-4px);background:rgba(255,255,255,.12);border-color:rgba(127,217,191,.5)}
.tl-week{font-family:var(--serif);font-size:18px;color:#fff}
.tl-week span{display:block;font-family:inherit;font-size:13px;color:var(--brand-300);font-weight:400}
.tl-body h3{font-size:18px;color:#fff;margin-bottom:8px}
.tl-body p{color:rgba(228,243,237,.82);font-size:15.5px;margin:0}

/* card wall */
.card-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;margin-top:44px}
.wall-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.wall-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(18,166,127,.4)}
.wall-card .icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-100);color:var(--brand-800);font-size:18px;margin-bottom:18px;
}
.wall-card.tall{padding-bottom:44px}
.wall-card h3{font-size:19px;color:var(--brand-900);margin-bottom:10px;line-height:1.45}
.wall-card p{color:var(--muted);font-size:15.5px;margin:0}
.wall-card .wall-tag{margin-top:18px;display:inline-flex}

/* voices */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.voice-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:16px;
}
.voice-card .quote{font-size:16px;line-height:1.85;color:var(--ink);margin:0}
.voice-card .who{font-size:13.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px}
.voice-card i.fa-quote-left{color:var(--brand-300);font-size:20px}

/* faq */
.faq{max-width:860px;margin:40px auto 0}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:20px 12px;font-size:17px;font-weight:600;color:var(--ink);
  border-radius:12px;transition:background-color .2s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"";width:3px;height:20px;border-radius:3px;background:var(--grad-brand);flex:0 0 auto;transition:background .25s ease}
.faq summary::after{content:"+";margin-left:auto;font-size:22px;line-height:1;color:var(--brand-600);transition:transform .25s ease,color .25s ease}
.faq details[open] summary::before{background:var(--grad-accent)}
.faq details[open] summary::after{transform:rotate(45deg);color:var(--accent-600)}
.faq summary:hover{background:rgba(127,217,191,.1)}
.faq .faq-body{padding:0 14px 22px 29px;color:var(--muted);font-size:16px;line-height:1.8}

/* cta */
.cta-band{position:relative;background:var(--brand-900);color:#E4F3ED;overflow:hidden;padding:88px 0}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:start}
.cta-lead{font-family:var(--serif);font-size:clamp(24px,2.6vw,30px);color:#fff;line-height:1.35;margin-bottom:18px}
.cta-note{color:rgba(228,243,237,.82);font-size:16px}
.trust-list{display:grid;gap:12px;margin-top:28px}
.trust-list li{display:flex;gap:12px;align-items:center;font-size:15px;color:rgba(228,243,237,.9)}
.trust-list i{color:var(--accent-500)}
.form-card{background:#fff;border-radius:var(--radius-lg);padding:32px;box-shadow:0 24px 50px rgba(4,24,20,.35)}
.form-card h3{font-size:20px;color:var(--brand-900);margin-bottom:6px}
.form-card .form-hint{font-size:14px;color:var(--muted);margin-bottom:22px}
.field{display:block;margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field input,.field textarea{
  width:100%;padding:13px 16px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{resize:vertical;min-height:112px}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(127,217,191,.35)}
.form-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:8px}
.form-foot .form-tip{font-size:13px;color:var(--muted)}

/* footer */
.site-footer{background:#fff;border-top:1px solid var(--line)}
.footer-top{display:grid;grid-template-columns:1.05fr 2.3fr;gap:48px;padding-top:72px;padding-bottom:56px}
.footer-brand{display:flex;gap:14px;align-items:flex-start}
.footer-brand .brand-mark{flex:0 0 auto}
.footer-brand strong{display:block;font-family:var(--serif);font-size:19px;color:var(--brand-900);margin-bottom:8px}
.footer-brand p{color:var(--muted);font-size:15px;margin:0;max-width:34ch}
.footer-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.footer-cols h4{font-size:15px;color:var(--brand-900);margin-bottom:14px}
.footer-cols ul{display:grid;gap:10px}
.footer-cols li{font-size:14.5px;color:var(--muted);line-height:1.7}
.footer-cols a{color:var(--muted);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-cols a:hover{color:var(--brand-600);transform:translateX(-2px)}
.footer-bottom{background:var(--brand-900);color:rgba(228,243,237,.8);font-size:13.5px}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:16px;padding-bottom:16px;flex-wrap:wrap}
.footer-bottom a{color:var(--brand-300)}
.footer-bottom a:hover{text-decoration:underline;text-underline-offset:3px}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:44px;padding-top:76px;padding-bottom:80px}
  .hero-float{left:16px;bottom:16px}
  .split,.split.reverse{grid-template-columns:1fr;gap:36px}
  .split.reverse .split-media{order:1}
  .split.reverse .split-body{order:2}
  .card-wall{grid-template-columns:repeat(2,1fr)}
  .voice-grid{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr;gap:40px}
  .footer-top{grid-template-columns:1fr;gap:36px}
  .footer-cols{grid-template-columns:repeat(2,1fr)}
  .band{padding:64px 0}
}
@media (max-width:768px){
  .container{padding-left:24px;padding-right:24px}
  .top-search{display:none}
  .top-login{display:none}
  .nav-toggle{display:inline-flex}
  .channel-bar{display:none}
  .hero h1{font-size:clamp(28px,7.4vw,34px)}
  .hero-sub{font-size:16px}
  .stat-strip{padding:18px 0}
  .band{padding:56px 0}
  .card-wall{grid-template-columns:1fr;gap:18px}
  .tl-item{grid-template-columns:1fr;gap:10px;padding:20px}
  .faq summary{font-size:16px;padding:18px 8px}
  .form-card{padding:24px}
  .form-foot{flex-direction:column;align-items:stretch}
  .form-foot .btn{width:100%}
}
@media (max-width:520px){
  .container{padding-left:20px;padding-right:20px}
  .brand-text{font-size:17px}
  .hero-inner{padding-top:60px;padding-bottom:64px}
  .hero-actions .btn{width:100%}
  .footer-cols{grid-template-columns:1fr;gap:24px}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start}
  .sec-lead{font-size:15.5px}
}

/* roulang page: category5 */
:root{
    --brand:#0E4B3E;
    --brand-deep:#0A2E28;
    --jade:#12A67F;
    --jade-soft:#7FD9BF;
    --amber:#F2A63B;
    --amber-deep:#B4720F;
    --ink:#16211E;
    --muted:#5B6B66;
    --bg:#FBF8F2;
    --card:#FFFFFF;
    --line:#E6E1D6;
    --r-lg:24px;
    --r-md:18px;
    --r-sm:12px;
    --shadow:0 8px 30px rgba(11,59,51,.06);
    --shadow-hover:0 16px 40px rgba(11,59,51,.12);
    --grad-brand:linear-gradient(135deg,#0E4B3E 0%,#12A67F 100%);
    --grad-amber:linear-gradient(135deg,#F2A63B 0%,#FF8A5B 100%);
    --serif:"Noto Serif SC","Songti SC",serif;
    --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body.page-body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:var(--sans);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block;border:0}
  button,input,textarea{font:inherit;color:inherit}
  ul{list-style:none;margin:0;padding:0}
  ::selection{background:rgba(18,166,127,.22)}
  a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
    outline:2px solid var(--amber);
    outline-offset:2px;
    border-radius:8px;
  }

  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
  @media (max-width:1024px){ .container{padding:0 24px} }
  @media (max-width:640px){ .container{padding:0 20px} }

  /* ---------- 吸顶导航 ---------- */
  .site-header{position:sticky;top:0;z-index:90}
  .brand-bar{background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
  .site-header.scrolled .brand-bar{box-shadow:0 6px 20px rgba(11,59,51,.07)}
  .brand-inner{display:flex;align-items:center;gap:16px;height:66px;transition:height .25s ease}
  .site-header.scrolled .brand-inner{height:58px}
  .brand-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .brand-mark{
    width:36px;height:36px;border-radius:11px;background:var(--grad-brand);color:#fff;
    display:grid;place-items:center;font-family:var(--serif);font-weight:700;font-size:18px;
    box-shadow:0 8px 18px rgba(14,75,62,.26);flex:0 0 auto;
  }
  .brand-text{font-family:var(--serif);font-weight:700;font-size:19px;color:var(--brand-deep);white-space:nowrap}
  .brand-note{font-size:13px;color:var(--muted);padding-left:16px;border-left:1px solid var(--line);white-space:nowrap}
  .brand-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
  .brand-search{
    display:flex;align-items:center;background:#fff;border:1px solid var(--line);
    border-radius:999px;padding:3px 3px 3px 16px;transition:border-color .2s,box-shadow .2s;
  }
  .brand-search:focus-within{border-color:var(--jade);box-shadow:0 0 0 3px rgba(127,217,191,.34)}
  .brand-search input{border:0;background:transparent;outline:none;width:188px;font-size:14px}
  .brand-search input::placeholder{color:#A9B2AD}
  .brand-search button{border:0;border-radius:999px;background:var(--grad-brand);color:#fff;font-size:13px;font-weight:600;padding:7px 15px;cursor:pointer;transition:filter .2s}
  .brand-search button:hover{filter:brightness(1.08)}
  .btn-mini{
    display:inline-flex;align-items:center;justify-content:center;
    padding:9px 18px;border-radius:12px;font-size:14px;font-weight:600;
    background:#fff;color:var(--brand);border:1px solid rgba(14,75,62,.28);
    transition:background .2s,border-color .2s,transform .2s;
  }
  .btn-mini:hover{background:rgba(127,217,191,.16);border-color:var(--jade);transform:translateY(-1px)}
  .menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column}
  .menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand);margin:2.5px auto;transition:transform .2s,opacity .2s}
  .menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

  .channel-bar{
    background:rgba(251,248,242,.94);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .25s ease;
  }
  .site-header.scrolled .channel-bar{box-shadow:0 10px 26px rgba(11,59,51,.08)}
  .channel-inner{display:flex;align-items:center;gap:4px;height:52px;overflow-x:auto;scrollbar-width:none;transition:height .25s ease}
  .site-header.scrolled .channel-inner{height:46px}
  .channel-inner::-webkit-scrollbar{display:none}
  .channel{
    position:relative;padding:9px 14px;font-size:15px;color:var(--muted);
    border-radius:999px;white-space:nowrap;transition:color .2s,background .2s;
  }
  .channel:hover{color:var(--brand);background:rgba(18,166,127,.08)}
  .channel.active{color:var(--brand);font-weight:600}
  .channel.active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:1px;height:3px;border-radius:3px;background:var(--grad-brand);
  }
  .hot-links{margin-left:auto;padding-left:20px;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);white-space:nowrap}
  .hot-links a{color:var(--brand);border-bottom:1px dashed rgba(14,75,62,.35);transition:color .2s,border-color .2s}
  .hot-links a:hover{color:var(--jade);border-color:var(--jade)}

  .mobile-drawer{display:none;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 14px 30px rgba(11,59,51,.10)}
  .mobile-drawer.open{display:block}
  .drawer-inner{padding:18px 0 22px}
  .drawer-search{display:flex;gap:8px;margin-bottom:16px}
  .drawer-search input{flex:1;border:1px solid var(--line);border-radius:12px;padding:10px 14px;font-size:14px;outline:none}
  .drawer-search input:focus{border-color:var(--jade);box-shadow:0 0 0 3px rgba(127,217,191,.3)}
  .drawer-search button{border:0;border-radius:12px;background:var(--grad-brand);color:#fff;font-size:14px;font-weight:600;padding:10px 18px;cursor:pointer}
  .drawer-nav{display:grid;gap:6px}
  .drawer-nav a{padding:11px 14px;border-radius:12px;font-size:15px;color:var(--ink);background:#FCFAF5;border:1px solid var(--line);transition:background .2s,color .2s,border-color .2s}
  .drawer-nav a:hover{background:rgba(127,217,191,.12);color:var(--brand);border-color:rgba(18,166,127,.4)}
  .drawer-nav a.active{color:var(--brand);font-weight:600;border-color:rgba(18,166,127,.55);background:rgba(18,166,127,.10)}

  @media (max-width:900px){
    .brand-search{display:none}
    .brand-note{display:none}
    .hot-links{display:none}
    .menu-toggle{display:flex}
  }
  @media (max-width:520px){
    .brand-text{font-size:17px}
    .brand-mark{width:32px;height:32px;font-size:16px;border-radius:10px}
    .btn-mini{padding:8px 13px;font-size:13px}
  }

  /* ---------- 面包屑 ---------- */
  .crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
  .crumb{display:flex;align-items:center;gap:9px;height:52px;font-size:13.5px;color:var(--muted);overflow-x:auto;white-space:nowrap;scrollbar-width:none}
  .crumb::-webkit-scrollbar{display:none}
  .crumb a{transition:color .2s}
  .crumb a:hover{color:var(--jade)}
  .crumb .sep{color:#C9C3B6}
  .crumb .now{color:var(--ink);font-weight:600}

  /* ---------- Hero ---------- */
  .cat-hero{position:relative;overflow:hidden;background:var(--brand-deep);color:#fff}
  .cat-hero-bg{
    position:absolute;inset:0;
    background-image:url(/assets/images/backpic/back-2.webp);
    background-size:cover;background-position:center;opacity:.5;
  }
  .cat-hero-veil{
    position:absolute;inset:0;
    background:linear-gradient(118deg,rgba(10,46,40,.95) 0%,rgba(10,46,40,.86) 42%,rgba(14,75,62,.58) 100%);
  }
  .cat-hero-inner{position:relative;padding:88px 32px 72px}
  .hero-badge{
    display:inline-flex;align-items:center;gap:9px;
    background:rgba(255,255,255,.14);border:1px solid rgba(127,217,191,.5);
    color:#DFF6EE;border-radius:999px;padding:7px 16px;font-size:13px;font-weight:600;
    -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  }
  .hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--jade-soft);display:inline-block}
  .page-h1{
    margin:20px 0 0;max-width:22ch;
    font-family:var(--serif);font-weight:700;font-size:clamp(30px,4.3vw,48px);
    line-height:1.26;letter-spacing:-.01em;
  }
  .page-h1 em{font-style:normal;background:linear-gradient(100deg,#7FD9BF,#F2A63B);-webkit-background-clip:text;background-clip:text;color:transparent}
  .hero-sub{margin:20px 0 0;max-width:64ch;font-size:16.5px;line-height:1.9;color:rgba(255,255,255,.84)}
  .hero-actions{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap}
  .hero-mini{margin-top:36px;display:flex;gap:12px;flex-wrap:wrap}
  .hero-mini span{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.86);
    background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.24);
    border-radius:999px;padding:7px 15px;font-variant-numeric:tabular-nums;
  }
  .hero-mini span b{color:#fff;font-weight:600}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:14px 28px;border-radius:12px;font-size:15px;font-weight:600;
    border:1px solid transparent;cursor:pointer;
    transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s,color .2s,border-color .2s,filter .2s;
  }
  .btn:active{transform:translateY(0)}
  .btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 12px 26px rgba(6,32,28,.34)}
  .btn-primary:hover{transform:translateY(-1px);filter:brightness(1.07)}
  .btn-ghost-light{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.5)}
  .btn-ghost-light:hover{background:rgba(255,255,255,.2);transform:translateY(-1px)}
  .btn-light{background:#fff;color:var(--brand);box-shadow:0 10px 24px rgba(6,32,28,.2)}
  .btn-light:hover{transform:translateY(-1px);filter:brightness(1.02)}
  .btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.62)}
  .btn-outline-light:hover{background:rgba(255,255,255,.16)}

  .status-strip{border-top:1px solid rgba(127,217,191,.34);background:rgba(6,32,28,.55);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
  .status-inner{display:flex;align-items:center;gap:30px;min-height:58px;font-size:13.5px;color:rgba(255,255,255,.84);overflow-x:auto;white-space:nowrap;scrollbar-width:none}
  .status-inner::-webkit-scrollbar{display:none}
  .status-inner .cell{display:inline-flex;align-items:center;gap:9px}
  .dot-live{width:8px;height:8px;border-radius:50%;background:var(--jade-soft);animation:pulse 2s infinite}
  @keyframes pulse{
    0%{box-shadow:0 0 0 0 rgba(127,217,191,.6)}
    70%{box-shadow:0 0 0 10px rgba(127,217,191,0)}
    100%{box-shadow:0 0 0 0 rgba(127,217,191,0)}
  }
  @media (max-width:640px){
    .cat-hero-inner{padding:56px 20px 48px}
    .hero-actions .btn{flex:1 1 100%}
  }

  /* ---------- 板块 ---------- */
  .section{padding:96px 0}
  .section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  @media (max-width:1024px){ .section{padding:64px 0} }
  @media (max-width:640px){ .section{padding:48px 0} }

  .sec-head{max-width:780px;margin-bottom:44px}
  .sec-tag{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
    color:var(--amber-deep);background:#FFF4E2;border-radius:999px;padding:5px 14px;
  }
  .sec-tag i{width:6px;height:6px;border-radius:50%;background:var(--amber);display:inline-block}
  .sec-title{
    position:relative;margin:16px 0 0;padding-left:17px;
    font-family:var(--serif);font-weight:700;font-size:clamp(24px,3vw,31px);
    line-height:1.36;color:var(--brand-deep);
  }
  .sec-title::before{
    content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;background:var(--grad-brand);
  }
  .sec-desc{margin-top:14px;font-size:16px;line-height:1.9;color:var(--muted)}

  /* ---------- 指标看板 ---------- */
  .stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
  @media (max-width:1024px){ .stat-grid{grid-template-columns:repeat(2,1fr);gap:18px} }
  @media (max-width:520px){ .stat-grid{grid-template-columns:1fr} }
  .stat-card{
    position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:28px 26px 58px;box-shadow:var(--shadow);
    transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
  }
  .stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(18,166,127,.4)}
  .stat-num{
    font-family:var(--serif);font-weight:700;font-size:44px;line-height:1;color:var(--brand);
    font-variant-numeric:tabular-nums;letter-spacing:-.01em;
  }
  .stat-num span{font-family:var(--sans);font-size:16px;font-weight:600;color:var(--jade);margin-left:7px}
  .stat-label{margin-top:15px;font-size:15px;font-weight:600;color:var(--ink)}
  .stat-text{margin-top:7px;font-size:13.5px;line-height:1.72;color:var(--muted)}
  .stat-badge{
    position:absolute;left:26px;bottom:20px;display:inline-flex;align-items:center;gap:7px;
    font-size:12px;font-weight:600;color:var(--amber-deep);background:#FFF4E2;
    border-radius:999px;padding:4px 12px;font-variant-numeric:tabular-nums;
  }
  .stat-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber)}

  /* ---------- 图文对照 ---------- */
  .split{display:grid;grid-template-columns:44% 1fr;gap:52px;align-items:center}
  @media (max-width:900px){ .split{grid-template-columns:1fr;gap:30px} }
  .media-frame{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
  .media-frame img{width:100%;aspect-ratio:4/3;object-fit:cover}
  .media-chip{
    position:absolute;left:18px;bottom:18px;font-size:13px;color:#fff;
    background:rgba(10,46,40,.78);border:1px solid rgba(127,217,191,.4);
    border-radius:999px;padding:8px 15px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  }
  .risk-list{display:grid;gap:16px}
  .risk-item{
    display:flex;gap:16px;padding:21px 22px;background:var(--card);
    border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow);
    transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
  }
  .risk-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(18,166,127,.4)}
  .risk-idx{
    flex:0 0 auto;width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
    background:rgba(18,166,127,.12);color:var(--brand);font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
  }
  .risk-item h3{margin:0;font-size:17px;font-weight:600;color:var(--ink);line-height:1.5}
  .risk-item p{margin:7px 0 0;font-size:14.5px;line-height:1.8;color:var(--muted)}
  .risk-item .fix{display:inline-flex;align-items:center;gap:7px;margin-top:9px;font-size:13px;font-weight:600;color:var(--amber-deep)}
  .risk-item .fix::before{content:"";width:14px;height:2px;border-radius:2px;background:var(--grad-amber)}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:860px;margin:0 auto}
  .faq-group{
    display:flex;align-items:center;gap:10px;margin:36px 0 12px;
    font-size:15px;font-weight:700;color:var(--brand);letter-spacing:.01em;
  }
  .faq-group:first-child{margin-top:0}
  .faq-group::before{content:"";width:9px;height:9px;border-radius:3px;background:var(--grad-amber)}
  .faq-group span{font-size:12.5px;font-weight:500;color:var(--muted)}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item summary{
    position:relative;display:block;padding:20px 46px 20px 18px;cursor:pointer;
    list-style:none;font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.6;
    transition:background .2s,color .2s;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::before{
    content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:3px;
    background:var(--grad-brand);transition:background .25s;
  }
  .faq-item summary::after{
    content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);
    font-size:20px;line-height:1;color:var(--jade);transition:transform .25s,color .25s;
  }
  .faq-item summary:hover{background:rgba(127,217,191,.06);color:var(--brand)}
  .faq-item[open] summary::before{background:var(--grad-amber)}
  .faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);color:var(--amber-deep)}
  .faq-item[open] summary{color:var(--brand)}
  .faq-body{padding:0 46px 22px 18px;font-size:15.5px;line-height:1.88;color:var(--muted)}
  .faq-body strong{color:var(--ink);font-weight:600}
  @media (max-width:640px){
    .faq-item summary{font-size:15.5px;padding:18px 40px 18px 16px}
    .faq-body{padding:0 40px 20px 16px;font-size:15px}
  }

  /* ---------- CTA ---------- */
  .cta-band{
    position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;
    gap:32px;padding:42px 46px;border-radius:var(--r-lg);background:var(--grad-brand);color:#fff;
    box-shadow:0 20px 44px rgba(14,75,62,.24);
  }
  .cta-band::after{
    content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;border-radius:50%;
    background:rgba(127,217,191,.16);
  }
  .cta-band::before{
    content:"";position:absolute;left:-40px;bottom:-80px;width:180px;height:180px;border-radius:50%;
    background:rgba(242,166,59,.14);
  }
  .cta-copy{position:relative;z-index:1;max-width:56ch}
  .cta-title{margin:0;font-family:var(--serif);font-weight:700;font-size:clamp(20px,2.4vw,25px);line-height:1.45}
  .cta-text{margin:10px 0 0;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.86)}
  .cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}
  @media (max-width:820px){
    .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;gap:22px}
    .cta-actions{width:100%}
    .cta-actions .btn{flex:1 1 100%}
  }

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--brand-deep);color:rgba(255,255,255,.78)}
  .footer-top{display:grid;grid-template-columns:300px 1fr;gap:52px;padding:64px 0 48px}
  @media (max-width:1024px){
    .footer-top{grid-template-columns:1fr;gap:38px;padding:48px 0 36px}
  }
  .footer-brand{display:flex;gap:14px;align-items:flex-start}
  .footer-brand strong{display:block;font-family:var(--serif);font-size:19px;color:#fff;margin-bottom:9px}
  .footer-brand p{margin:0;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62)}
  .footer-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
  @media (max-width:1024px){ .footer-cols{grid-template-columns:repeat(2,1fr)} }
  @media (max-width:520px){ .footer-cols{grid-template-columns:1fr;gap:22px} }
  .footer-cols h4{margin:0 0 15px;font-size:14px;font-weight:600;color:#fff}
  .footer-cols ul{display:grid;gap:10px}
  .footer-cols a,.footer-cols span{display:inline-block;font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.66);transition:color .2s,transform .2s}
  .footer-cols a:hover{color:var(--jade-soft);transform:translateX(2px)}
  .footer-bottom{border-top:1px solid rgba(255,255,255,.12);background:rgba(0,0,0,.18)}
  .footer-bottom-inner{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:18px 0;font-size:13px;color:rgba(255,255,255,.6)}
  .footer-bottom a{color:var(--jade-soft);transition:color .2s}
  .footer-bottom a:hover{color:#fff}