/* roulang page: index */
:root{
  --brand:#0F5C52;
  --brand-deep:#0B4A42;
  --brand-2:#1E8C7A;
  --brand-soft:rgba(15,92,82,.08);
  --brand-soft-2:rgba(15,92,82,.14);
  --amber:#E8933A;
  --amber-dark:#C9772A;
  --amber-soft:#FFF9F1;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --bg-alt:#EDF3F1;
  --text:#1C2422;
  --text-2:#5A6864;
  --text-3:#8A9691;
  --border:#E2E0D8;
  --border-2:#CFDAD6;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --radius-img:12px;
  --shadow-sm:0 2px 8px rgba(15,92,82,.06);
  --shadow-md:0 6px 16px rgba(15,92,82,.09);
  --shadow-lg:0 8px 22px rgba(15,92,82,.12);
  --shadow-xl:0 18px 40px rgba(6,40,35,.28);
  --gutter:32px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font:inherit;cursor:pointer;border:0;background:none;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;line-height:1;white-space:nowrap;
  border:1px solid transparent;transition:all .2s ease;
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--amber);color:#fff;box-shadow:0 3px 10px rgba(232,147,58,.28);}
.btn-primary:hover{background:var(--amber-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(201,119,42,.32);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 2px 6px rgba(201,119,42,.3);}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand);}
.btn-outline:active{background:var(--brand-soft-2);}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.62);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;}
.btn-block{width:100%;}
.btn-white{background:#fff;color:var(--brand);}
.btn-white:hover{background:#F2FBF8;color:var(--brand-deep);transform:translateY(-1px);}

/* ============ 头部：双层导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:0 1px 0 var(--border);}
.topbar-inner{display:flex;align-items:center;gap:20px;min-height:68px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;letter-spacing:1px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.24;}
.brand-text strong{font-size:17px;font-weight:700;color:var(--text);}
.brand-text small{font-size:12px;color:var(--text-3);letter-spacing:.3px;}
.topbar-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;height:40px;width:300px;padding:0 16px;
  background:var(--bg-alt);border:1px solid transparent;border-radius:var(--radius-pill);
  transition:all .2s ease;
}
.search-box:focus-within{background:#fff;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(30,140,122,.13);}
.search-box i{font-size:13px;color:var(--text-3);}
.search-box input{flex:1;border:0;background:transparent;outline:none;padding:0 10px;font-size:14px;height:100%;}
.search-box input::placeholder{color:var(--text-3);}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;background:var(--bg-alt);color:var(--brand);align-items:center;justify-content:center;font-size:16px;}

.channel-bar{background:#fff;}
.channel-scroll{
  display:flex;gap:8px;overflow-x:auto;padding:4px 0 14px;
  scrollbar-width:none;-ms-overflow-style:none;
  box-shadow:inset 0 -1px 0 var(--border);
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-pill{
  flex:0 0 auto;padding:8px 18px;border-radius:var(--radius-pill);
  background:var(--bg-alt);color:var(--brand);font-size:14px;font-weight:500;
  border:1px solid transparent;white-space:nowrap;transition:all .2s ease;
}
.channel-pill:hover{background:var(--brand-soft-2);color:var(--brand-deep);}
.channel-pill.is-active{background:var(--brand);color:#fff;box-shadow:0 4px 12px rgba(15,92,82,.22);}

/* ============ Hero ============ */
.hero{
  position:relative;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:#fff;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(11,74,66,.90) 0%,rgba(15,92,82,.78) 52%,rgba(15,92,82,.60) 100%);
}
.hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:520px;height:520px;
  border-radius:50%;background:radial-gradient(circle,rgba(232,147,58,.16) 0%,rgba(232,147,58,0) 70%);
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
  gap:56px;align-items:center;padding:84px 0 88px;
}
.hero-copy{max-width:560px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.6px;color:rgba(255,255,255,.85);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  padding:6px 14px;border-radius:var(--radius-pill);margin-bottom:20px;
}
.hero h1{font-size:40px;line-height:1.25;font-weight:700;letter-spacing:.3px;}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.7;color:rgba(255,255,255,.86);}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;color:rgba(255,255,255,.92);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  padding:6px 14px;border-radius:var(--radius-pill);
}
.hero-tag i{font-size:12px;color:var(--amber);}

.mock-panel{
  background:#fff;border-radius:18px;padding:26px 26px 22px;
  box-shadow:var(--shadow-xl);position:relative;
}
.mock-dots{display:flex;gap:7px;margin-bottom:22px;}
.mock-dots span{width:9px;height:9px;border-radius:50%;background:var(--border);}
.mock-dots span:first-child{background:var(--amber);}
.mock-field{
  height:46px;border-radius:var(--radius-btn);background:var(--bg-alt);
  border:1px solid var(--border);display:flex;align-items:center;
  padding:0 16px;margin-bottom:14px;
}
.mock-field span{display:block;height:9px;border-radius:var(--radius-pill);background:var(--border-2);width:54%;}
.mock-field.short span{width:34%;}
.mock-btn{
  height:48px;border-radius:var(--radius-btn);background:var(--amber);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(232,147,58,.3);
}
.mock-btn i{display:block;width:58px;height:4px;border-radius:var(--radius-pill);background:rgba(255,255,255,.78);}
.mock-caption{margin-top:16px;font-size:12.5px;color:var(--text-3);text-align:center;letter-spacing:.4px;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:780px;margin-bottom:48px;}
.section-head h2{
  position:relative;font-size:28px;font-weight:600;line-height:1.35;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--brand);
}
.section-head p{margin-top:14px;font-size:15px;color:var(--text-2);line-height:1.8;}
.section-head-center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head-center h2{padding-left:0;}
.section-head-center h2::before{display:none;}

/* ============ 优惠阶梯 ============ */
.ladder{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;align-items:end;}
.tier{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px 22px;display:flex;flex-direction:column;
  box-shadow:var(--shadow-sm);transition:all .25s ease;
}
.tier:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);}
.tier-1{min-height:300px;}
.tier-2{min-height:330px;border-color:var(--border-2);}
.tier-3{min-height:362px;background:rgba(15,92,82,.06);border-color:var(--border-2);}
.tier-4{min-height:394px;background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 12px 28px rgba(15,92,82,.24);}
.tier-badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:12px;font-weight:500;padding:5px 13px;border-radius:var(--radius-pill);
  background:var(--bg-alt);color:var(--brand);margin-bottom:16px;
}
.tier-2 .tier-badge{background:var(--brand-soft-2);}
.tier-3 .tier-badge{background:rgba(15,92,82,.16);}
.tier-4 .tier-badge{background:rgba(255,255,255,.2);color:#fff;}
.tier h3{font-size:20px;font-weight:600;margin-bottom:14px;}
.tier-list{display:flex;flex-direction:column;gap:9px;margin-bottom:22px;}
.tier-list li{position:relative;padding-left:18px;font-size:14px;line-height:1.6;color:var(--text-2);}
.tier-list li::before{
  content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:50%;background:var(--brand-2);
}
.tier-4 .tier-list li{color:rgba(255,255,255,.82);}
.tier-4 .tier-list li::before{background:var(--amber);}
.tier-threshold{
  margin-top:auto;padding-top:16px;border-top:1px dashed var(--border);
  font-size:13px;color:var(--text-3);
}
.tier-4 .tier-threshold{border-top-color:rgba(255,255,255,.28);color:rgba(255,255,255,.72);}
.tier-threshold strong{display:block;margin-top:4px;font-size:16px;color:var(--brand);font-variant-numeric:tabular-nums;}
.tier-4 .tier-threshold strong{color:#fff;}
.tier .btn{margin-top:16px;width:100%;}
.tier-4 .btn{background:var(--amber);color:#fff;}

/* ============ 方案对比 ============ */
.compare-wrap{border:1px solid var(--border);border-radius:var(--radius-card);background:#fff;overflow:hidden;box-shadow:var(--shadow-sm);}
.compare-row{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;}
.compare-row > div{padding:15px 20px;font-size:14px;border-bottom:1px solid var(--border);transition:background .2s ease;}
.compare-row:last-child > div{border-bottom:0;}
.compare-head > div{background:var(--bg-alt);color:var(--brand);font-weight:600;font-size:13.5px;}
.compare-row:nth-child(even) > div{background:rgba(15,92,82,.035);}
.compare-row:hover > div{background:rgba(15,92,82,.06);}
.compare-feature{text-align:left;color:var(--text-2);}
.compare-cell{text-align:center;color:var(--text);font-weight:500;}
.cell-featured{
  background:var(--amber-soft) !important;
  box-shadow:inset 1px 0 0 var(--amber),inset -1px 0 0 var(--amber);
}
.compare-head .cell-featured{color:var(--amber-dark);position:relative;}
.compare-head .cell-featured::after{
  content:"推荐";position:absolute;top:-1px;right:14px;
  font-size:11px;font-weight:500;color:#fff;background:var(--amber);
  padding:2px 8px;border-radius:0 0 6px 6px;letter-spacing:.5px;
}
.compare-foot{padding:20px;display:flex;justify-content:center;background:#fff;border-top:1px solid var(--border);}

/* ============ 限时入口 ============ */
.promo-strip{
  background:linear-gradient(100deg,var(--brand) 0%,#146A5D 62%,#1A7A69 100%);
  border-radius:var(--radius-card);min-height:104px;
  padding:22px 34px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  color:#fff;box-shadow:0 12px 30px rgba(15,92,82,.2);position:relative;overflow:hidden;
}
.promo-strip::after{
  content:"";position:absolute;right:-60px;top:-90px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,147,58,.24) 0%,rgba(232,147,58,0) 70%);
}
.promo-left{display:flex;align-items:center;gap:26px;position:relative;z-index:2;flex-wrap:wrap;}
.promo-title{font-size:17px;font-weight:600;line-height:1.4;}
.promo-title small{display:block;font-size:13px;font-weight:400;color:rgba(255,255,255,.74);margin-top:4px;}
.countdown{display:flex;align-items:center;gap:8px;}
.cd-block{
  width:56px;padding:6px 0;border-radius:10px;background:rgba(6,40,35,.42);
  display:flex;flex-direction:column;align-items:center;gap:1px;
}
.cd-block strong{font-size:21px;font-weight:600;line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:1px;}
.cd-block span{font-size:11px;color:rgba(255,255,255,.6);}
.promo-strip .btn{position:relative;z-index:2;}

/* ============ 资讯卡片 ============ */
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);transition:all .25s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.post-card-thumb{position:relative;width:100%;aspect-ratio:16/10;background:var(--bg-alt);overflow:hidden;border-radius:0;}
.post-card-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease;}
.post-card:hover .post-card-thumb img{transform:scale(1.04);}
.post-card-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto;}
.post-card-body .badge{margin-bottom:12px;}
.post-card-title{
  font-size:17px;font-weight:600;line-height:1.5;margin-bottom:10px;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.post-card:hover .post-card-title{color:var(--brand);}
.post-card-desc{
  font-size:14px;line-height:1.7;color:var(--text-2);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.post-card-meta{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--text-3);}
.post-card-more{font-size:13px;color:var(--brand);display:inline-flex;align-items:center;gap:5px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:500;padding:4px 12px;border-radius:var(--radius-pill);
  background:var(--bg-alt);color:var(--brand);
}
.badge-amber{background:rgba(232,147,58,.14);color:var(--amber-dark);}
.badge-line{background:transparent;border:1px solid var(--border-2);color:var(--text-2);}
.grid-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}

/* 空态 */
.empty-state{
  text-align:center;padding:60px 24px;background:#fff;
  border:1px dashed var(--border-2);border-radius:var(--radius-card);
}
.empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:18px;
  background:var(--brand-soft);color:var(--brand-2);
  display:flex;align-items:center;justify-content:center;font-size:24px;
}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:20px;}

/* ============ 咨询表单 ============ */
.form-layout{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:start;}
.form-intro h2{position:relative;font-size:28px;font-weight:600;line-height:1.35;padding-left:16px;margin-bottom:16px;}
.form-intro h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--brand);}
.form-intro p{font-size:15px;color:var(--text-2);line-height:1.85;}
.form-points{margin-top:28px;display:flex;flex-direction:column;gap:16px;}
.form-point{display:flex;gap:14px;align-items:flex-start;}
.form-point i{
  width:38px;height:38px;flex:0 0 auto;border-radius:11px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.form-point strong{display:block;font-size:15px;font-weight:600;margin-bottom:3px;}
.form-point span{font-size:13.5px;color:var(--text-2);line-height:1.6;}
.form-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--shadow-sm);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;display:flex;flex-direction:column;}
.field label{font-size:14px;color:var(--text-2);margin-bottom:8px;}
.field label .req{color:var(--amber);margin-left:3px;}
.input,select.input,textarea.input{
  width:100%;height:48px;border-radius:var(--radius-btn);
  border:1px solid var(--border-2);background:#FBFAF7;padding:0 15px;
  font-size:15px;color:var(--text);transition:all .2s ease;appearance:none;
}
select.input{
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235A6864' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;padding-right:40px;
}
textarea.input{height:auto;min-height:124px;padding:13px 15px;line-height:1.7;resize:vertical;}
.input::placeholder{color:var(--text-3);}
.input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(30,140,122,.14);}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:4px 0 22px;}
.check-row input{width:17px;height:17px;margin-top:3px;accent-color:var(--brand);flex:0 0 auto;}
.check-row label{font-size:13.5px;color:var(--text-2);line-height:1.6;}
.form-note{margin-top:14px;font-size:12.5px;color:var(--text-3);text-align:center;}
.form-alert{
  display:none;margin-bottom:18px;padding:12px 16px;border-radius:10px;
  font-size:14px;background:var(--brand-soft);color:var(--brand);border:1px solid rgba(15,92,82,.16);
}
.form-alert.show{display:block;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-list{border-top:1px solid var(--border);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0 20px 18px;text-align:left;position:relative;
  font-size:16px;font-weight:500;color:var(--text);transition:color .2s ease;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:2px;
  background:transparent;transition:background .2s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-icon{color:var(--text-3);font-size:14px;transition:transform .25s ease,color .25s ease;flex:0 0 auto;}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-item.is-open .faq-q::before{background:var(--brand);}
.faq-item.is-open .faq-icon{color:var(--brand);transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 44px 22px 18px;font-size:15px;line-height:1.85;color:var(--text-2);}
.faq-item.is-open .faq-a{max-height:420px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.78);margin-top:0;}
.footer-top{padding:64px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{background:linear-gradient(135deg,#14796A,#1E8C7A);}
.footer-brand strong{color:#fff;font-size:17px;}
.footer-brand small{display:block;font-size:12px;color:rgba(255,255,255,.55);}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:330px;}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;margin-bottom:12px;color:rgba(255,255,255,.72);}
.footer-contact i{margin-top:4px;color:var(--amber);font-size:13px;}
.footer-bottom{padding:22px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.6);}
.footer-bottom span{margin:0 8px;}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .hero h1{font-size:36px;}
  .ladder{grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch;}
  .tier-1,.tier-2,.tier-3,.tier-4{min-height:auto;}
}
@media (max-width:992px){
  :root{--gutter:24px;}
  .section{padding:64px 0;}
  .hero-inner{grid-template-columns:1fr;gap:44px;padding:60px 0 68px;}
  .hero-copy{max-width:100%;}
  .hero h1{font-size:32px;}
  .search-box{width:220px;}
  .grid-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .form-layout{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-desc{max-width:100%;}
}
@media (max-width:820px){
  .compare-row{display:block;}
  .compare-row > div{border-bottom:0;padding:7px 20px;}
  .compare-head{display:none;}
  .compare-row{display:block;border-bottom:1px solid var(--border);padding:8px 0 12px;}
  .compare-row:last-child{border-bottom:0;}
  .compare-feature{
    font-weight:600;color:var(--text);font-size:14.5px;
    background:var(--bg-alt) !important;border-radius:8px;margin:0 12px 6px;padding:10px 14px;
  }
  .compare-row > div.compare-cell{background:transparent !important;box-shadow:none !important;}
  .compare-cell::before{
    content:attr(data-label);display:block;font-size:12px;color:var(--text-3);
    font-weight:400;margin-bottom:1px;
  }
  .compare-cell{text-align:left;padding-left:26px !important;}
  .compare-foot{padding:18px 16px;}
  .compare-foot .btn{width:100%;}
}
@media (max-width:768px){
  :root{--gutter:16px;}
  .section{padding:52px 0;}
  .topbar-inner{min-height:62px;gap:12px;}
  .search-box{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand-text small{display:none;}
  .brand-text strong{font-size:15.5px;}
  .brand-mark{width:38px;height:38px;border-radius:11px;font-size:16px;}
  .hero h1{font-size:27px;}
  .hero-sub{font-size:15.5px;}
  .hero-btns{width:100%;}
  .hero-btns .btn{flex:1 1 auto;}
  .hero-inner{padding:48px 0 56px;}
  .mock-panel{padding:22px 20px 18px;}
  .section-head{margin-bottom:32px;}
  .section-head h2,.form-intro h2{font-size:23px;}
  .ladder{grid-template-columns:1fr;gap:16px;}
  .grid-cards{grid-template-columns:1fr;}
  .promo-strip{flex-direction:column;align-items:flex-start;padding:22px 22px;gap:18px;}
  .promo-strip .btn{width:100%;}
  .cd-block{width:52px;}
  .form-card{padding:22px 18px;}
  .form-grid{grid-template-columns:1fr;gap:0;}
  .faq-q{font-size:15px;padding:18px 0 18px 16px;}
  .faq-a p{padding:0 16px 20px 16px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-top{padding:48px 0 0;}
}
@media (max-width:480px){
  .hero h1{font-size:24px;}
  .hero-tags{gap:8px;}
  .hero-tag{font-size:12px;padding:5px 12px;}
  .btn{height:44px;padding:0 18px;font-size:14px;}
  .post-card-body{padding:16px;}
  .cd-block{width:46px;}
  .cd-block strong{font-size:18px;}
  .compare-feature{margin:0 8px 6px;}
  .compare-cell{padding-left:20px !important;}
}

/* roulang page: article */
:root{
  --brand:#0F5C52;
  --brand-2:#1E8C7A;
  --brand-tint:rgba(15,92,82,.08);
  --accent:#E8933A;
  --accent-2:#C9772A;
  --bg:#F6F4EF;
  --white:#FFFFFF;
  --soft:#EDF3F1;
  --ink:#1C2422;
  --ink-2:#5A6864;
  --ink-3:#8A9691;
  --line:#E2E0D8;
  --line-2:#CFDAD6;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh:0 2px 8px rgba(15,92,82,.06);
  --sh-h:0 8px 22px rgba(15,92,82,.12);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;background:var(--soft)}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-2)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:inherit;color:var(--ink);margin:0;line-height:1.35;font-weight:600}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--white);box-shadow:0 1px 0 var(--line)}
.topbar{background:var(--white)}
.topbar-inner{display:flex;align-items:center;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),var(--brand-2));
  color:#fff;font-size:18px;font-weight:700;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:16px;font-weight:700;color:var(--ink)}
.brand-text small{font-size:11.5px;color:var(--ink-3);letter-spacing:.2px}
.topbar-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;gap:8px;width:250px;height:40px;padding:0 15px;
  background:var(--soft);border:1px solid transparent;border-radius:999px;transition:.2s;
}
.search-box i{color:var(--ink-3);font-size:13px}
.search-box input{flex:1;border:0;background:transparent;outline:none;font-size:14px;min-width:0}
.search-box input::placeholder{color:var(--ink-3)}
.search-box:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,92,82,.1)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line-2);
  background:#fff;color:var(--brand);cursor:pointer;
}
.channel-bar{background:var(--white);border-top:1px solid var(--line)}
.channel-scroll{
  display:flex;gap:10px;overflow-x:auto;padding:9px 0 11px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-pill{
  flex:0 0 auto;padding:7px 16px;border-radius:999px;background:var(--soft);
  color:var(--brand);font-size:14px;font-weight:500;border:1px solid transparent;transition:.2s;
  white-space:nowrap;
}
.channel-pill:hover{background:var(--brand-tint);color:var(--brand)}
.channel-pill.is-active{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:500;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease,background .2s ease,box-shadow .2s ease,color .2s ease;
  text-decoration:none;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-2);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(232,147,58,.28)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand-tint);color:var(--brand)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.62);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  background:var(--soft);color:var(--brand);font-size:12.5px;font-weight:500;line-height:1.6;
}
.tag-solid{background:rgba(255,255,255,.18);color:#fff}

/* ---------- 文章页头 ---------- */
.article-hero{
  position:relative;color:#fff;
  background-image:linear-gradient(rgba(15,92,82,.86),rgba(15,92,82,.82)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:36px 0 96px;
}
.article-hero .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);flex-wrap:nowrap;overflow:hidden}
.article-hero .crumb a{color:rgba(255,255,255,.78)}
.article-hero .crumb a:hover{color:#fff;text-decoration:underline}
.article-hero .crumb .current{max-width:320px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:rgba(255,255,255,.62)}
.article-hero h1{
  color:#fff;font-size:40px;line-height:1.28;font-weight:700;
  max-width:900px;margin:18px 0 0;
}
.article-hero .hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.article-meta{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.8);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta .divider{width:1px;height:13px;background:rgba(255,255,255,.32);display:inline-block}

/* ---------- 文章主体 ---------- */
.article-wrap{padding-bottom:var(--sec)}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr);gap:48px;
  align-items:start;margin-top:-64px;
}
.article-main{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--sh);padding:48px 56px 52px;max-width:860px;width:100%;margin:0 auto;
}
.article-body{font-size:16.5px;line-height:1.92;color:#26302E;max-width:724px;margin:0 auto;word-wrap:break-word}
.article-body p{margin:0 0 1.12em}
.article-body h2{
  position:relative;font-size:22px;font-weight:600;line-height:1.45;
  margin:2em 0 .85em;padding-left:15px;scroll-margin-top:150px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;
  border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:18px;font-weight:600;margin:1.7em 0 .6em;scroll-margin-top:150px}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.2em}
.article-body li{margin:.42em 0}
.article-body ul li::marker{color:var(--brand)}
.article-body ol li::marker{color:var(--brand);font-weight:600}
.article-body strong{font-weight:700;color:#123B35}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-2)}
.article-body blockquote{
  margin:1.5em 0;padding:16px 20px;background:var(--soft);
  border-left:3px solid var(--brand);border-radius:0 12px 12px 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:1.5em auto;width:100%;aspect-ratio:16/9;object-fit:cover}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--brand-tint);color:var(--brand);font-weight:600}
.article-body code{background:var(--soft);border-radius:6px;padding:2px 6px;font-size:14px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

.empty-state{
  text-align:center;padding:56px 20px;background:var(--soft);
  border-radius:var(--r-card);border:1px dashed var(--line-2);
}
.empty-state i{font-size:34px;color:var(--brand-2);margin-bottom:14px;display:block}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--ink-2);font-size:14.5px;margin-bottom:22px}

.back-cta{
  max-width:724px;margin:44px auto 0;padding:26px 28px;border-radius:var(--r-card);
  background:linear-gradient(135deg,var(--brand),#0B4A42);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.back-cta p{color:rgba(255,255,255,.78);font-size:13.5px;margin:0;flex:1 1 220px}
.back-cta .back-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 侧栏 ---------- */
.article-side{display:none;position:sticky;top:140px;width:260px}
.toc-card,.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh);
}
.side-card{margin-top:18px;background:var(--soft);box-shadow:none}
.toc-title,.side-title{
  font-size:14px;font-weight:600;color:var(--brand);margin-bottom:12px;
  display:flex;align-items:center;gap:8px;
}
.toc-title::before,.side-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--brand)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:52vh;overflow-y:auto}
.toc-link{
  display:block;font-size:13.5px;color:var(--ink-2);padding:6px 10px;border-radius:8px;
  border-left:2px solid transparent;line-height:1.6;transition:.18s;
}
.toc-link:hover{background:var(--brand-tint);color:var(--brand)}
.toc-link.is-sub{padding-left:22px;font-size:13px;color:var(--ink-3)}
.side-card p{font-size:13.5px;color:var(--ink-2);line-height:1.75;margin-bottom:14px}

/* ---------- 相关内容 ---------- */
.related{padding:0 0 var(--sec)}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.related-head h2{font-size:28px;position:relative;padding-bottom:12px}
.related-head h2::after{content:"";position:absolute;left:0;bottom:0;width:48px;height:3px;border-radius:2px;background:var(--brand)}
.related-head p{color:var(--ink-2);font-size:14px;margin:0}
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-h)}
.post-cover{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card) var(--r-card) 0 0}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-title{
  font-size:16.5px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover .post-title{color:var(--brand)}
.post-sum{
  font-size:13.5px;color:var(--ink-2);line-height:1.72;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.post-date{font-size:12.5px;color:var(--ink-3);display:inline-flex;align-items:center;gap:6px}
.post-more{font-size:13px;font-weight:500;color:var(--brand)}

/* ---------- 页脚 ---------- */
.site-footer{background:#0B4A42;color:rgba(255,255,255,.78);margin-top:8px}
.footer-top{padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.14)}
.footer-brand strong{color:#fff;font-size:16px;display:block}
.footer-brand small{color:rgba(255,255,255,.6);font-size:11.5px;display:block}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.68);margin:0}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13.5px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-contact{list-style:none;padding:0;display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;color:rgba(255,255,255,.72);line-height:1.6}
.footer-contact i{margin-top:4px;color:var(--accent)}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0;display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 260px}
  .article-main{margin:0}
  .article-side{display:block}
}
@media (max-width:1199px){
  .article-main{max-width:820px}
}
@media (max-width:992px){
  :root{--sec:64px}
  .container{padding:0 24px}
  .article-hero h1{font-size:34px}
  .article-main{padding:40px 36px 44px}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  :root{--sec:48px}
  .container{padding:0 16px}
  .search-box{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .topbar-inner{min-height:60px;gap:12px}
  .brand-text strong{font-size:15px}
  .brand-text small{display:none}
  .channel-scroll{padding:8px 0 10px;gap:8px}
  .channel-pill{font-size:13.5px;padding:6px 14px}
  .article-hero{padding:26px 0 78px}
  .article-hero h1{font-size:25px;margin-top:14px}
  .article-meta{font-size:12.5px;gap:10px}
  .article-hero .crumb .current{max-width:140px}
  .article-layout{margin-top:-52px;gap:0}
  .article-main{padding:26px 20px 30px;border-radius:14px}
  .article-body{font-size:16px;line-height:1.86}
  .article-body h2{font-size:19.5px}
  .article-body h3{font-size:17px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .back-cta{padding:22px 20px;flex-direction:column;align-items:stretch}
  .back-cta .back-actions{width:100%}
  .back-cta .back-actions .btn{flex:1}
  .related-head h2{font-size:23px}
  .post-grid{grid-template-columns:1fr;gap:18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-top{padding:44px 0 0}
  .footer-bottom{margin-top:36px;flex-wrap:wrap;text-align:center}
  .btn{font-size:15px}
}
@media (max-width:480px){
  .article-hero h1{font-size:22px}
  .article-main{padding:22px 16px 26px}
  .brand-mark{width:34px;height:34px;font-size:16px;border-radius:10px}
  .topbar-actions .btn-sm{height:36px;padding:0 13px;font-size:13.5px}
}

/* roulang page: category1 */
:root{
  --brand:#0F5C52;
  --brand-dark:#0A423A;
  --brand-2:#1E8C7A;
  --brand-tint:rgba(15,92,82,.08);
  --accent:#E8933A;
  --accent-dark:#C9772A;
  --bg:#F6F4EF;
  --white:#FFFFFF;
  --alt:#EDF3F1;
  --text:#1C2422;
  --text-2:#5A6864;
  --text-3:#8A9691;
  --line:#E2E0D8;
  --line-2:#CFDAD6;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 2px 8px rgba(15,92,82,.06);
  --sh-2:0 8px 22px rgba(15,92,82,.12);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand);text-decoration:none;background-color:transparent;transition:color .2s ease}
a:hover{color:var(--brand-2)}
button{font:inherit;cursor:pointer;background:none;border:0}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.grid-x{display:flex;flex-flow:row wrap}
.cell{flex:0 0 auto;min-width:0}

/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:80;background:var(--white);border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(15,92,82,.04)}
.topbar{background:var(--white)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:70px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{width:42px;height:42px;flex:0 0 42px;border-radius:13px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;letter-spacing:.02em}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:17px;font-weight:700;color:var(--text)}
.brand-text small{font-size:12px;color:var(--text-3);letter-spacing:.03em}
.topbar-actions{display:flex;align-items:center;gap:14px}
.search-box{display:flex;align-items:center;gap:9px;height:40px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:var(--bg);transition:border-color .2s ease,box-shadow .2s ease}
.search-box:focus-within{border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(30,140,122,.14);background:var(--white)}
.search-box i{font-size:13px;color:var(--text-3)}
.search-box input{width:190px;height:38px;border:0;background:transparent;outline:none;font-size:14px}
.search-box input::placeholder{color:var(--text-3)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--white);color:var(--brand);align-items:center;justify-content:center;transition:background .2s ease,color .2s ease}
.nav-toggle:hover{background:var(--brand-tint)}
.channel-bar{background:var(--white);border-top:1px solid var(--line);box-shadow:0 6px 14px rgba(15,92,82,.05)}
.channel-scroll{display:flex;align-items:center;gap:10px;overflow-x:auto;padding:10px 0;scrollbar-width:none;-ms-overflow-style:none}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-pill{flex:0 0 auto;display:inline-block;padding:8px 18px;border-radius:999px;background:var(--alt);color:var(--brand);font-size:14px;font-weight:500;line-height:1.5;transition:background .2s ease,color .2s ease,transform .2s ease}
.channel-pill:hover{background:var(--brand-tint);color:var(--brand);transform:translateY(-1px)}
.channel-pill.is-active{background:var(--brand);color:#fff}
.channel-pill.is-active:hover{background:var(--brand-dark);color:#fff}
.mobile-drawer{display:none;position:absolute;left:0;right:0;top:100%;background:var(--white);border-bottom:1px solid var(--line);box-shadow:var(--sh-2);padding:8px 0 16px}
.drawer-open .mobile-drawer{display:block}
.mobile-drawer .container{display:flex;flex-direction:column}
.mobile-drawer a{padding:13px 2px;border-bottom:1px solid var(--line);color:var(--text);font-size:15px}
.mobile-drawer a:last-child{border-bottom:0}
.mobile-drawer a.is-active{color:var(--brand);font-weight:600}

/* ============ buttons ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:500;line-height:1;border:1px solid transparent;white-space:nowrap;transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(232,147,58,.26)}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(232,147,58,.34)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 3px 10px rgba(232,147,58,.28)}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover{background:var(--brand-tint);color:var(--brand);transform:translateY(-1px)}
.btn-white{background:#fff;color:var(--brand);box-shadow:0 8px 20px rgba(4,40,34,.22)}
.btn-white:hover{background:#fff;color:var(--brand-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(4,40,34,.28)}
.btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;background:rgba(255,255,255,.08)}
.btn-ghost:hover{background:#fff;color:var(--brand);border-color:#fff;transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:9px}

/* ============ page hero ============ */
.page-hero{position:relative;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;color:#fff;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(10,66,58,.88) 0%,rgba(15,92,82,.78) 46%,rgba(30,140,122,.66) 100%)}
.page-hero .container{position:relative;z-index:2;padding-top:34px;padding-bottom:56px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:26px}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:#fff}
.breadcrumb span.sep{color:rgba(255,255,255,.45)}
.breadcrumb .current{color:rgba(255,255,255,.68)}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.24);font-size:13px;color:#fff;margin-bottom:18px}
.page-hero h1{font-size:40px;line-height:1.25;font-weight:700;letter-spacing:.01em;margin-bottom:16px}
.page-hero .lede{max-width:760px;font-size:16px;line-height:1.9;color:rgba(255,255,255,.86)}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-fact{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);font-size:13px;color:rgba(255,255,255,.92)}
.hero-fact i{color:#F3C08A}

/* ============ sections ============ */
.sec{padding:var(--sec) 0}
.sec-alt{background:var(--alt)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;margin-bottom:40px}
.sec-title{position:relative;padding-left:16px;font-size:28px;line-height:1.35;font-weight:600;color:var(--text)}
.sec-title::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--brand)}
.sec-desc{max-width:560px;font-size:15px;line-height:1.9;color:var(--text-2);margin-top:14px}
.sec-link{flex:0 0 auto;font-size:14px;font-weight:500;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.sec-link:hover{gap:10px}

/* ============ media cards (two columns, image left) ============ */
.card-grid{margin-top:-13px;margin-bottom:-13px}
.card-grid>.cell{margin-top:13px;margin-bottom:13px}
.media-card{display:flex;height:220px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.media-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-2)}
.media-card-media{flex:0 0 42%;max-width:42%;background:#E7EAE6;position:relative;overflow:hidden}
.media-card-media img{width:100%;height:100%;object-fit:cover;object-position:center;transition:transform .45s ease}
.media-card:hover .media-card-media img{transform:scale(1.04)}
.media-card-body{flex:1 1 auto;min-width:0;padding:20px 22px;display:flex;flex-direction:column;gap:9px}
.badge{display:inline-block;align-self:flex-start;padding:3px 12px;border-radius:999px;background:var(--alt);color:var(--brand);font-size:12px;font-weight:500;line-height:1.7}
.media-card-body h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.media-card:hover .media-card-body h3{color:var(--brand)}
.media-card-body p{font-size:14px;line-height:1.8;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:13px;color:var(--text-3)}
.card-meta i{margin-right:6px;color:var(--text-3)}
.card-meta .go{color:var(--brand);font-weight:500}

/* ============ route overview ============ */
.route-grid{margin-top:-11px;margin-bottom:-11px}
.route-grid>.cell{margin-top:11px;margin-bottom:11px}
.route-card{height:100%;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.route-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--line-2)}
.route-idx{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;background:var(--brand-tint);color:var(--brand);font-weight:700;font-size:15px;margin-bottom:16px}
.route-card h3{font-size:19px;font-weight:600;color:var(--text);margin-bottom:14px}
.route-line{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2);padding:7px 0;border-bottom:1px dashed var(--line)}
.route-line:last-of-type{border-bottom:0}
.route-line b{flex:0 0 72px;color:var(--text-3);font-weight:500}
.route-line span{color:var(--text-2)}
.route-tip{margin-top:14px;padding:10px 14px;border-radius:10px;background:var(--brand-tint);font-size:13px;color:var(--brand);line-height:1.7}

/* ============ flow ============ */
.flow{margin-top:-12px;margin-bottom:-12px}
.flow>.cell{margin-top:12px;margin-bottom:12px}
.flow-step{position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px;height:100%;box-shadow:var(--sh-1)}
.flow-num{display:block;font-size:26px;font-weight:700;color:var(--brand-2);letter-spacing:.02em;font-variant-numeric:tabular-nums;margin-bottom:12px}
.flow-step h3{font-size:18px;font-weight:600;margin-bottom:8px;color:var(--text)}
.flow-step p{font-size:14px;line-height:1.8;color:var(--text-2)}
.flow-step::after{content:"";position:absolute;right:-16px;top:50%;width:20px;height:1px;background:var(--line-2)}
.flow>.cell:last-child .flow-step::after{display:none}

/* ============ dark band ============ */
.dark-band{background:var(--brand-dark);color:#fff;padding:var(--sec) 0}
.dark-band h2{font-size:28px;line-height:1.35;font-weight:600;color:#fff;margin-bottom:16px}
.dark-band p.dark-lede{font-size:15px;line-height:1.9;color:rgba(255,255,255,.78);max-width:460px;margin-bottom:24px}
.tip-list{display:grid;gap:12px}
.tip-item{display:flex;gap:14px;padding:18px 20px;border-radius:12px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);transition:background .2s ease,border-color .2s ease}
.tip-item:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.2)}
.tip-item i{color:#F3C08A;font-size:15px;margin-top:5px}
.tip-item h3{font-size:16px;font-weight:600;color:#fff;margin-bottom:4px}
.tip-item p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.76)}

/* ============ checklist ============ */
.check-panel{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:34px 34px 26px;box-shadow:var(--sh-1)}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 32px;margin-top:8px}
.check-item{display:flex;align-items:flex-start;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--text-2)}
.check-item i{color:var(--brand-2);font-size:15px;margin-top:5px}
.check-note{margin-top:20px;font-size:13px;color:var(--text-3);line-height:1.8}

/* ============ faq ============ */
.faq{max-width:920px}
.faq-item{position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease}
.faq-item:hover{border-color:var(--line-2);box-shadow:var(--sh-1)}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);transform:scaleY(0);transform-origin:top;transition:transform .28s ease}
.faq-item.open::before{transform:scaleY(1)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--text);transition:color .2s ease}
.faq-item.open .faq-q{color:var(--brand)}
.faq-q i{flex:0 0 auto;font-size:14px;color:var(--text-3);transition:transform .28s ease,color .28s ease}
.faq-item.open .faq-q i{transform:rotate(45deg);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--text-2)}

/* ============ cta band ============ */
.cta-band{background:var(--brand);color:#fff}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:44px 0}
.cta-inner h2{font-size:26px;line-height:1.4;font-weight:600;color:#fff;margin-bottom:8px}
.cta-inner p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.78);max-width:640px}

/* ============ footer ============ */
.site-footer{background:var(--brand-dark);color:rgba(255,255,255,.78);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.14)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--brand-2),#2FB49C)}
.footer-brand strong{display:block;font-size:17px;color:#fff;line-height:1.3}
.footer-brand small{display:block;font-size:12px;color:rgba(255,255,255,.6)}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);max-width:360px}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.74)}
.footer-links a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.74);margin-bottom:12px}
.footer-contact i{color:#F3C08A;margin-top:6px}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;padding:22px 0 28px;font-size:13px;color:rgba(255,255,255,.6)}
.footer-bottom span{white-space:nowrap}

/* ============ responsive ============ */
@media screen and (max-width:1024px){
  .container{padding:0 24px}
  .page-hero h1{font-size:34px}
  .sec-title,.dark-band h2{font-size:25px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media screen and (max-width:992px){
  :root{--sec:68px}
  .search-box input{width:140px}
  .flow-step::after{display:none}
  .card-grid>.cell{width:100%}
  .media-card{height:210px}
}
@media screen and (max-width:768px){
  :root{--sec:52px}
  .container{padding:0 16px}
  .nav-toggle{display:inline-flex}
  .search-box{display:none}
  .topbar-inner{min-height:64px}
  .brand-text small{display:none}
  .page-hero .container{padding-top:26px;padding-bottom:40px}
  .page-hero h1{font-size:29px}
  .page-hero .lede{font-size:15px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px}
  .sec-title{font-size:23px}
  .media-card{flex-direction:column;height:auto}
  .media-card-media{flex:0 0 auto;max-width:100%;width:100%;height:190px}
  .media-card-body{padding:18px}
  .check-grid{grid-template-columns:1fr;gap:0}
  .check-panel{padding:24px 20px 18px;border-radius:14px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:20px;padding:36px 0}
  .cta-inner h2{font-size:22px}
  .faq-q{font-size:15px;padding:17px 18px}
  .faq-a p{padding:0 18px 18px}
}
@media screen and (max-width:520px){
  body{font-size:15px}
  .brand-text strong{font-size:15px}
  .btn-sm{padding:0 14px;height:36px}
  .page-hero h1{font-size:25px}
  .hero-fact{font-size:12px;padding:6px 12px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{gap:6px 8px;text-align:center}
  .media-card-media{height:165px}
  .sec-title{font-size:21px}
}

/* roulang page: category2 */
:root{
  --c-primary:#0F5C52;
  --c-primary-deep:#0B443C;
  --c-primary-2:#1E8C7A;
  --c-primary-soft:rgba(15,92,82,.08);
  --c-accent:#E8933A;
  --c-accent-dark:#C9772A;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-alt:#EDF3F1;
  --t-1:#1C2422;
  --t-2:#5A6864;
  --t-3:#8A9691;
  --t-inv:#FFFFFF;
  --t-inv-2:rgba(255,255,255,.78);
  --line:#E2E0D8;
  --line-strong:#CFDAD6;
  --shadow-1:0 2px 8px rgba(15,92,82,.06);
  --shadow-2:0 8px 22px rgba(15,92,82,.12);
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --r-pill:999px;
  --r-hero:18px;
  --sp-section:88px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t-1);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--c-primary-2);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3{font-weight:600;line-height:1.35;letter-spacing:.2px;}
:focus-visible{outline:2px solid var(--c-primary-2);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;}
.topbar{background:#fff;border-bottom:1px solid var(--line);}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:70px;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;letter-spacing:0;
}
.brand-text strong{display:block;font-size:17px;font-weight:700;color:var(--t-1);line-height:1.3;}
.brand-text small{display:block;font-size:12px;color:var(--t-3);line-height:1.5;}
.brand:hover .brand-text strong{color:var(--c-primary);}
.topbar-actions{display:flex;align-items:center;gap:14px;}
.search-box{
  display:flex;align-items:center;gap:10px;
  width:280px;height:42px;padding:0 16px;
  background:var(--c-bg);border:1px solid var(--line);
  border-radius:var(--r-pill);transition:.2s;
}
.search-box i{color:var(--t-3);font-size:14px;}
.search-box input{
  flex:1;min-width:0;border:none;background:transparent;
  font-size:14px;color:var(--t-1);outline:none;height:100%;
}
.search-box input::placeholder{color:var(--t-3);}
.search-box:focus-within{border-color:var(--c-primary-2);background:#fff;box-shadow:0 0 0 3px var(--c-primary-soft);}
.nav-toggle{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;color:var(--c-primary);cursor:pointer;transition:.2s;
}
.nav-toggle:hover{background:var(--c-alt);}
.search-drawer{display:none;background:#fff;border-bottom:1px solid var(--line);padding:12px 0;}
.search-drawer .search-box{width:100%;}

.channel-bar{background:#fff;border-bottom:1px solid var(--line);box-shadow:0 6px 16px rgba(15,92,82,.05);}
.channel-scroll{
  display:flex;align-items:center;gap:10px;
  padding:11px 0;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-pill{
  white-space:nowrap;padding:8px 18px;border-radius:var(--r-pill);
  background:var(--c-alt);color:var(--c-primary);
  font-size:14px;font-weight:500;border:1px solid transparent;
}
.channel-pill:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.channel-pill.is-active{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;border:1px solid transparent;
  cursor:pointer;transition:all .2s ease;line-height:1.4;text-align:center;
}
.btn-primary{
  background:var(--c-accent);color:#fff;
  box-shadow:0 4px 12px rgba(232,147,58,.28);
}
.btn-primary:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(232,147,58,.34);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 2px 6px rgba(232,147,58,.3);}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent;}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.btn-ghost{border-color:rgba(255,255,255,.7);color:#fff;background:rgba(255,255,255,.1);}
.btn-ghost:hover{background:#fff;color:var(--c-primary);border-color:#fff;}
.btn-sm{padding:9px 18px;font-size:14px;}

/* ============ 页头横幅 ============ */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:
    linear-gradient(102deg,rgba(15,92,82,.88) 0%,rgba(15,92,82,.62) 48%,rgba(15,92,82,.42) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.page-hero-inner{
  min-height:clamp(210px,20vw,290px);
  display:flex;flex-direction:column;justify-content:center;
  padding:52px 0 56px;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:20px;}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:rgba(255,255,255,.72);}
.page-hero h1{font-size:40px;font-weight:700;letter-spacing:.5px;}
.page-hero p{margin-top:16px;max-width:660px;font-size:16px;line-height:1.9;color:rgba(255,255,255,.86);}

/* ============ 速览数据条 ============ */
.quick-band{background:var(--c-alt);border-bottom:1px solid var(--line);}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.quick-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:26px 22px;border-right:1px solid var(--line-strong);
}
.quick-item:last-child{border-right:none;}
.quick-icon{
  flex:0 0 40px;height:40px;border-radius:12px;
  background:#fff;color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:16px;
  box-shadow:var(--shadow-1);
}
.quick-item h3{font-size:15px;font-weight:600;margin-bottom:4px;}
.quick-item p{font-size:13.5px;color:var(--t-2);line-height:1.7;}

/* ============ 区块 ============ */
.section{padding:var(--sp-section) 0;}
.section--alt{background:var(--c-alt);}
.section-head{max-width:700px;margin-bottom:44px;}
.section-head h2{
  position:relative;padding-left:16px;font-size:28px;font-weight:600;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:2px;background:var(--c-primary);
}
.section-head p{margin-top:14px;font-size:15px;color:var(--t-2);line-height:1.85;}

/* ============ 栅格与卡片 ============ */
.grid-gutter{margin-left:-11px;margin-right:-11px;}
.grid-gutter>.cell{padding-left:11px;padding-right:11px;}

.compact-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  margin-bottom:22px;
}
.compact-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.compact-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#E7EDEA;}
.compact-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .45s ease;}
.compact-card:hover .thumb img{transform:scale(1.04);}
.compact-card .body{display:flex;flex-direction:column;flex:1;gap:10px;padding:18px 18px 20px;}
.compact-card h3{font-size:18px;font-weight:600;color:var(--t-1);}
.compact-card:hover h3{color:var(--c-primary);}
.compact-card p{font-size:14px;line-height:1.78;color:var(--t-2);}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:10px;gap:10px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--c-alt);color:var(--c-primary);
  font-size:12px;font-weight:500;white-space:nowrap;
}
.badge--accent{background:rgba(232,147,58,.15);color:#B96A15;}
.meta{font-size:12px;color:var(--t-3);white-space:nowrap;}

/* ============ 深色流程区 ============ */
.steps-section{background:var(--c-primary);color:#fff;}
.section-head--inv h2{color:#fff;}
.section-head--inv h2::before{background:var(--c-accent);}
.section-head--inv p{color:rgba(255,255,255,.76);}
.step-card{
  height:100%;margin-bottom:22px;padding:26px 22px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-card);
  transition:background-color .24s ease,transform .24s ease;
}
.step-card:hover{background:rgba(255,255,255,.13);transform:translateY(-2px);}
.step-num{
  width:38px;height:38px;border-radius:12px;margin-bottom:16px;
  background:var(--c-accent);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:18px;color:#fff;margin-bottom:8px;}
.step-card p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.76);}

/* ============ 场景条目 ============ */
.scene-list{border-top:1px solid var(--line);}
.scene-item{
  display:flex;gap:20px;align-items:flex-start;
  padding:26px 20px;border-bottom:1px solid var(--line);
  border-radius:var(--r-card);background:transparent;
  transition:background-color .22s ease;
}
.scene-item:hover{background:#fff;box-shadow:var(--shadow-1);}
.scene-icon{
  flex:0 0 48px;height:48px;border-radius:12px;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.scene-item h3{font-size:17px;margin-bottom:6px;}
.scene-item p{font-size:14.5px;color:var(--t-2);line-height:1.8;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;}
.faq-wrap .accordion{background:transparent;border:none;margin:0;}
.faq-wrap .accordion-item{
  border:none;border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.faq-wrap .accordion-item:first-child{border-top:1px solid var(--line);}
.faq-wrap .accordion-item.is-active{box-shadow:inset 3px 0 0 var(--c-primary);}
.faq-wrap .accordion-title{
  position:relative;display:block;
  padding:20px 52px 20px 22px;
  background:#fff;border:none;border-radius:0;
  font-size:16px;font-weight:600;color:var(--t-1);
  transition:color .2s ease;
}
.faq-wrap .accordion-title:hover,
.faq-wrap .accordion-title:focus{background:#fff;color:var(--c-primary);}
.faq-wrap .accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;
  transform:translateY(-50%);
  font-size:20px;font-weight:500;color:var(--c-primary);
  transition:transform .2s ease;
}
.faq-wrap .accordion-title[aria-expanded="true"]{color:var(--c-primary);}
.faq-wrap .accordion-title[aria-expanded="true"]::before{content:"−";}
.faq-wrap .accordion-content{
  padding:0 52px 22px 22px;background:#fff;border:none;
  color:var(--t-2);font-size:15px;line-height:1.9;
}

/* ============ 通栏 CTA ============ */
.cta-band{
  background:linear-gradient(100deg,var(--c-primary) 0%,#12705F 100%);
  color:#fff;padding:44px 0;
}
.cta-band-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:24px;color:#fff;}
.cta-band p{margin-top:10px;max-width:640px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.78);}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.78);}
.footer-top{padding:64px 0 8px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.13);color:#fff;}
.footer-brand strong{display:block;font-size:16px;color:#fff;line-height:1.4;}
.footer-brand small{display:block;font-size:12px;color:rgba(255,255,255,.6);line-height:1.5;}
.footer-desc{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.66);}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;font-size:13.5px;color:rgba(255,255,255,.72);}
.footer-contact i{color:var(--c-accent);margin-top:5px;font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;
  margin-top:32px;padding:20px 0 28px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .search-box{width:230px;}
}
@media (max-width:992px){
  :root{--sp-section:64px;}
  .page-hero h1{font-size:34px;}
  .section-head h2{font-size:25px;}
  .footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:32px;}
  .footer-grid>div:last-child{grid-column:span 3;}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .quick-item{border-bottom:1px solid var(--line-strong);}
  .quick-item:nth-child(2n){border-right:none;}
  .quick-item:nth-child(3),
  .quick-item:nth-child(4){border-bottom:none;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  :root{--sp-section:48px;}
  .topbar .search-box{display:none;}
  .nav-toggle{display:inline-flex;}
  .site-header.drawer-open .search-drawer{display:block;}
  .page-hero-inner{padding:40px 0 44px;min-height:0;}
  .page-hero h1{font-size:28px;}
  .page-hero p{font-size:15px;}
  .section-head{margin-bottom:32px;}
  .section-head h2{font-size:22px;}
  .cta-band-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-grid>div:last-child{grid-column:span 2;}
  .faq-wrap .accordion-title{padding:18px 46px 18px 16px;font-size:15px;}
  .faq-wrap .accordion-title::before{right:16px;}
  .faq-wrap .accordion-content{padding:0 20px 20px 16px;}
  .scene-item{padding:20px 14px;gap:14px;}
}
@media (max-width:560px){
  .brand-text small{display:none;}
  .quick-grid{grid-template-columns:1fr;}
  .quick-item{border-right:none;border-bottom:1px solid var(--line-strong);}
  .quick-item:last-child{border-bottom:none;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-grid>div:last-child{grid-column:span 1;}
  .page-hero h1{font-size:25px;}
  .cta-band h2{font-size:20px;}
  .btn{width:100%;}
  .topbar-actions .btn-sm{width:auto;}
}
@media (min-width:769px){
  .search-drawer{display:none !important;}
}

/* roulang page: category3 */
:root{
  --brand:#0F5C52;
  --brand-deep:#0B443C;
  --brand-light:#1E8C7A;
  --brand-tint:rgba(15,92,82,.08);
  --accent:#E8933A;
  --accent-dark:#C9772A;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --surface-alt:#EDF3F1;
  --text:#1C2422;
  --text-2:#5A6864;
  --text-3:#8A9691;
  --line:#E2E0D8;
  --line-strong:#CFDAD6;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 2px 8px rgba(15,92,82,.06);
  --sh-2:0 8px 22px rgba(15,92,82,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;color:var(--text);font-weight:600}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-light);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ---------- 顶部导航 ---------- */
.site-header{position:relative;z-index:60}
.topbar{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  width:42px;height:42px;flex:none;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--brand-light));
  color:#fff;font-weight:700;font-size:18px;
  display:grid;place-items:center;box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-text strong{font-size:17px;color:var(--brand);letter-spacing:.2px;font-weight:600}
.brand-text small{font-size:12px;color:var(--text-3)}
.topbar-actions{display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:var(--surface-alt);border:1px solid transparent;
  border-radius:999px;padding:8px 16px;width:250px;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.search-box i{color:var(--text-3);font-size:13px}
.search-box input{
  border:0;background:transparent;outline:none;font-size:14px;width:100%;
}
.search-box input::placeholder{color:var(--text-3)}
.search-box:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px var(--brand-tint)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--brand);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{background:var(--brand-tint)}

.channel-bar{
  position:sticky;top:68px;z-index:55;background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 18px rgba(15,92,82,.05);
}
.channel-scroll{display:flex;gap:8px;overflow-x:auto;padding:10px 0 12px;scrollbar-width:none}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-pill{
  flex:0 0 auto;padding:8px 18px;border-radius:999px;
  background:var(--surface-alt);color:var(--brand);
  font-size:14px;font-weight:500;white-space:nowrap;
  transition:background .2s,color .2s,transform .2s;
}
.channel-pill:hover{background:var(--brand-tint)}
.channel-pill.is-active{background:var(--brand);color:#fff}
.channel-pill:active{transform:translateY(1px)}

.mobile-nav{display:none;background:#fff;border-bottom:1px solid var(--line);padding:8px 0 14px}
.mobile-nav.is-open{display:block}
.mobile-nav a{display:block;padding:11px 2px;font-size:15px;color:var(--text-2);border-bottom:1px solid var(--line)}
.mobile-nav a:last-child{border-bottom:0}
.mobile-nav a.is-active{color:var(--brand);font-weight:600}

/* ---------- 页头横幅 ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  min-height:300px;display:flex;align-items:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(122deg,rgba(11,68,60,.92),rgba(15,92,82,.76));
}
.page-hero-inner{position:relative;width:100%;padding:52px 0 48px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78)}
.crumb a:hover{color:#fff;text-decoration:underline}
.crumb .sep{opacity:.55}
.crumb .current{color:#fff}
.page-hero h1{font-size:40px;font-weight:700;color:#fff;margin:16px 0 14px;letter-spacing:.5px}
.hero-lead{max-width:760px;font-size:16px;color:rgba(255,255,255,.88);line-height:1.9}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 15px;border-radius:999px;font-size:13px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);color:#fff;
}
.hero-tag i{color:#F3C08A;font-size:12px}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section--alt{background:var(--surface-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:28px;font-weight:600;display:flex;align-items:center;gap:12px}
.section-head h2::before{content:"";width:4px;height:26px;border-radius:2px;background:var(--brand);flex:none}
.section-head p{margin-top:12px;font-size:15px;color:var(--text-2)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:500;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s,box-shadow .18s,background .18s,color .18s,border-color .18s;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(232,147,58,.28)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(232,147,58,.32)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 10px rgba(232,147,58,.24)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand-tint)}
.btn-sm{padding:9px 18px;font-size:14px}

/* ---------- 操作步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-strong)}
.step-num{
  width:36px;height:36px;border-radius:10px;background:var(--brand-tint);color:var(--brand);
  display:grid;place-items:center;font-weight:700;font-size:15px;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2)}

/* ---------- 左右分栏条目列表 ---------- */
.entry-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.entry-row{
  display:grid;grid-template-columns:88px 1fr;gap:22px;align-items:center;
  padding:22px 26px;border-bottom:1px solid var(--line);
  transition:background .2s;
}
.entry-row:last-child{border-bottom:0}
.entry-row:hover{background:var(--brand-tint)}
.entry-thumb{
  width:88px;height:88px;aspect-ratio:1/1;border-radius:var(--r-img);
  overflow:hidden;background:var(--surface-alt);flex:none;
}
.entry-thumb img{width:100%;height:100%;object-fit:cover}
.entry-body h3{font-size:20px;font-weight:600;margin-bottom:8px;transition:color .2s}
.entry-row:hover .entry-body h3{color:var(--brand)}
.entry-desc{
  font-size:15px;color:var(--text-2);margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--text-3)}
.entry-meta span{display:inline-flex;align-items:center;gap:6px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 12px;border-radius:999px;font-size:12px;
  background:var(--surface-alt);color:var(--brand);
}
.badge-accent{background:rgba(232,147,58,.14);color:var(--accent-dark)}

/* ---------- 图文准备清单 ---------- */
.prep{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.prep-figure{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);background:var(--surface-alt)}
.prep-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.prep-list{display:flex;flex-direction:column;gap:18px}
.prep-item{display:flex;gap:14px;align-items:flex-start}
.prep-icon{
  width:34px;height:34px;flex:none;border-radius:10px;
  background:#fff;border:1px solid var(--line);color:var(--brand);
  display:grid;place-items:center;font-size:14px;
}
.prep-item h3{font-size:16px;margin-bottom:4px}
.prep-item p{font-size:14px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;max-width:900px}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-item.is-open{box-shadow:inset 3px 0 0 var(--brand)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 26px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);cursor:pointer;
  transition:background .2s,color .2s;
}
.faq-q:hover{background:var(--brand-tint)}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:999px;
  background:var(--surface-alt);color:var(--brand);
  display:grid;place-items:center;font-size:12px;
  transition:transform .25s,background .25s,color .25s;
}
.faq-item.is-open .faq-icon{background:var(--brand);color:#fff;transform:rotate(180deg)}
.faq-a{display:none;padding:0 26px 22px;font-size:15px;color:var(--text-2);line-height:1.9}
.faq-item.is-open .faq-a{display:block}

/* ---------- 通栏 CTA ---------- */
.cta-band{background:var(--brand);color:#fff;padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-copy{max-width:680px}
.cta-copy h2{font-size:26px;color:#fff}
.cta-copy p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.82);line-height:1.85}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.78);padding-bottom:6px}
.footer-top{padding:64px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);box-shadow:none}
.footer-brand strong{display:block;color:#fff;font-size:16px;font-weight:600}
.footer-brand small{display:block;color:rgba(255,255,255,.6);font-size:12px}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72)}
.footer-title{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-links a{color:rgba(255,255,255,.72);transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.72);line-height:1.7}
.footer-contact i{margin-top:4px;color:var(--accent);font-size:13px}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;justify-content:center;flex-wrap:wrap;gap:10px;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .search-box{width:210px}
}
@media (max-width:992px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .page-hero h1{font-size:32px}
  .page-hero-inner{padding:44px 0 42px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .prep{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:768px){
  .topbar-inner{min-height:60px}
  .channel-bar{top:60px}
  .search-box{display:none}
  .nav-toggle{display:flex}
  .section{padding:48px 0}
  .section-head h2{font-size:23px}
  .page-hero{min-height:260px}
  .page-hero h1{font-size:28px}
  .hero-lead{font-size:15px}
  .entry-row{grid-template-columns:72px 1fr;gap:16px;padding:18px}
  .entry-thumb{width:72px;height:72px}
  .entry-body h3{font-size:17px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-copy h2{font-size:22px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .brand-text small{display:none}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .page-hero h1{font-size:24px}
  .entry-row{grid-template-columns:64px 1fr;gap:14px;padding:16px}
  .entry-thumb{width:64px;height:64px}
  .entry-body h3{font-size:16px}
  .entry-desc{font-size:14px}
  .btn{padding:11px 20px;font-size:14px}
  .footer-bottom{font-size:12px;gap:6px}
}

/* roulang page: category4 */
:root{
  --brand:#0F5C52;
  --brand-2:#1E8C7A;
  --brand-tint:rgba(15,92,82,.08);
  --brand-deep:#0A4038;
  --accent:#E8933A;
  --accent-dark:#C9772A;
  --bg:#F6F4EF;
  --alt:#EDF3F1;
  --white:#FFFFFF;
  --text:#1C2422;
  --text-2:#5A6864;
  --text-3:#8A9691;
  --line:#E2E0D8;
  --line-strong:#CFDAD6;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 2px 8px rgba(15,92,82,.06);
  --shadow-2:0 8px 22px rgba(15,92,82,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.85;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--brand-2)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--white)}
.topbar{background:var(--white);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:70px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:42px;height:42px;border-radius:12px;flex:0 0 42px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;letter-spacing:.5px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-text strong{font-size:16px;font-weight:600;color:var(--text)}
.brand-text small{font-size:12px;color:var(--text-3)}
.topbar-actions{display:flex;align-items:center;gap:14px}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:var(--alt);border:1px solid var(--line);
  border-radius:999px;padding:8px 16px;min-width:260px;transition:border-color .2s ease,background-color .2s ease;
}
.search-box i{color:var(--text-3);font-size:14px}
.search-box input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--text);line-height:1.4;
}
.search-box input::placeholder{color:var(--text-3)}
.search-box:focus-within{border-color:var(--brand-2);background:#fff}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--brand);
  cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--brand-tint)}
.channel-bar{background:var(--white);border-bottom:1px solid var(--line);box-shadow:0 6px 16px rgba(15,92,82,.05)}
.channel-scroll{
  display:flex;gap:10px;overflow-x:auto;padding:10px 0;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-pill{
  flex:0 0 auto;padding:8px 18px;border-radius:999px;
  background:var(--alt);color:var(--brand);font-size:14px;font-weight:500;white-space:nowrap;
}
.channel-pill:hover{background:var(--brand-tint);color:var(--brand)}
.channel-pill.is-active{background:var(--brand);color:#fff}
.channel-pill.is-active:hover{background:var(--brand);color:#fff}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:500;line-height:1.2;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 12px rgba(232,147,58,.28)}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(232,147,58,.34)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 2px 8px rgba(232,147,58,.3)}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand-tint);color:var(--brand);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(1px)}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.7);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;padding:56px 0 46px;color:#fff;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(10,64,56,.86),rgba(15,92,82,.62));
}
.page-hero .container{position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.55}
.crumb .current{color:rgba(255,255,255,.7)}
.page-hero h1{
  font-size:40px;font-weight:700;line-height:1.25;color:#fff;
  letter-spacing:.5px;
}
.page-hero .hero-desc{
  margin-top:14px;max-width:720px;font-size:16px;line-height:1.9;color:rgba(255,255,255,.86);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-tags span{
  padding:6px 14px;border-radius:999px;font-size:13px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.24);color:#fff;
}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section--alt{background:var(--alt)}
.section--white{background:var(--white)}
.section--tight{padding-top:64px;padding-bottom:64px}
.section-head{max-width:780px;margin-bottom:40px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:500;letter-spacing:1px;
  color:var(--brand-2);background:var(--brand-tint);padding:5px 14px;border-radius:999px;margin-bottom:14px;
}
.section-title{
  position:relative;font-size:28px;font-weight:600;line-height:1.35;color:var(--text);
  padding-left:16px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand);
}
.section-sub{margin-top:14px;font-size:16px;color:var(--text-2);max-width:720px}

/* ---------- rail ---------- */
.rail-note{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:6px}
.rail{
  display:flex;gap:18px;overflow-x:auto;padding:20px 4px 26px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{height:8px}
.rail::-webkit-scrollbar-track{background:var(--alt);border-radius:999px}
.rail::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:999px}
.rail-card{
  flex:0 0 300px;scroll-snap-align:start;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease;
}
.rail-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.rail-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--alt)}
.rail-body{padding:20px}
.rail-body h3{font-size:18px;font-weight:600;line-height:1.5;color:var(--text);margin:10px 0 8px;transition:color .2s ease}
.rail-card:hover h3{color:var(--brand)}
.rail-body p{font-size:14px;color:var(--text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.rail-meta{display:flex;align-items:center;gap:6px;margin-top:14px;font-size:12px;color:var(--text-3)}

/* ---------- badges ---------- */
.badge{
  display:inline-block;font-size:12px;line-height:1.6;padding:3px 12px;border-radius:999px;
  background:var(--alt);color:var(--brand);font-weight:500;
}
.badge-accent{background:rgba(232,147,58,.14);color:var(--accent-dark)}
.badge-line{background:#fff;border:1px solid var(--line-strong);color:var(--text-2)}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:8px;padding-left:36px;border-left:2px solid var(--line-strong)}
.tl-item{position:relative;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-47px;top:5px;width:20px;height:20px;border-radius:50%;
  background:#fff;border:3px solid var(--brand-2);
}
.tl-item h3{font-size:19px;font-weight:600;line-height:1.5;color:var(--text)}
.tl-item p{margin-top:8px;font-size:15px;color:var(--text-2);max-width:760px}
.tl-step{display:inline-block;font-size:12px;color:var(--brand-2);font-weight:600;letter-spacing:1px;margin-bottom:6px}

/* ---------- quick grid ---------- */
.grid-x.gutter-24{margin-left:-12px;margin-right:-12px}
.grid-x.gutter-24 > .cell{padding-left:12px;padding-right:12px;margin-bottom:24px}
.quick-card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.quick-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.quick-card h3{font-size:18px;font-weight:600;color:var(--text);margin:12px 0 14px}
.quick-line{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.8;padding:8px 0;border-top:1px dashed var(--line)}
.quick-line:first-of-type{border-top:0}
.quick-line span{
  flex:0 0 76px;font-size:12px;color:var(--brand-2);font-weight:500;
  background:var(--brand-tint);border-radius:6px;height:22px;line-height:22px;text-align:center;margin-top:3px;
}

/* ---------- stats band ---------- */
.stats-band{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  border-radius:18px;padding:44px 40px;color:#fff;
  box-shadow:0 18px 40px rgba(15,92,82,.18);
}
.stats-band .band-title{font-size:22px;font-weight:600;color:#fff;padding-left:14px;position:relative;margin-bottom:8px}
.stats-band .band-title::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:2px;background:var(--accent)}
.stats-band .band-sub{font-size:14px;color:rgba(255,255,255,.78);margin-bottom:28px}
.stat-grid{display:flex;flex-wrap:wrap;gap:18px}
.stat{
  flex:1 1 200px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);
  border-radius:12px;padding:20px;
}
.stat strong{
  display:block;font-size:28px;font-weight:700;color:#fff;line-height:1.2;
  font-variant-numeric:tabular-nums;letter-spacing:.5px;
}
.stat strong em{font-size:13px;font-style:normal;font-weight:500;margin-left:4px;color:rgba(255,255,255,.8)}
.stat span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.78);line-height:1.7}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px 22px 0;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:500;color:var(--text);line-height:1.6;
  position:relative;transition:color .2s ease,padding-left .2s ease;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;
  background:var(--brand);opacity:0;transition:opacity .2s ease;
}
.faq-q i{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--alt);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:12px;transition:transform .25s ease,background-color .2s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-item.is-open .faq-q{color:var(--brand);padding-left:16px}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-item.is-open .faq-q i{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a-inner{padding:0 0 24px 16px;font-size:15px;color:var(--text-2);line-height:1.9;max-width:820px}

/* ---------- cta band ---------- */
.cta-band{background:var(--brand);color:#fff;padding:44px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-inner h2{font-size:24px;font-weight:600;color:#fff;line-height:1.4}
.cta-inner p{margin-top:8px;font-size:15px;color:rgba(255,255,255,.8);max-width:640px}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.78)}
.footer-top{padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;border-top:1px solid rgba(255,255,255,.14);padding-top:44px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);color:#fff}
.footer-brand strong{display:block;color:#fff;font-size:16px;font-weight:600;line-height:1.4}
.footer-brand small{display:block;color:rgba(255,255,255,.6);font-size:12px}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);max-width:380px}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-links li{margin-bottom:12px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.74)}
.footer-links a:hover{color:#fff}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.74);margin-bottom:14px;line-height:1.7}
.footer-contact i{margin-top:5px;color:var(--accent);font-size:13px}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .page-hero h1{font-size:36px}
}
@media (max-width:992px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .search-box{min-width:200px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .topbar-inner{min-height:64px;gap:12px}
  .brand-text strong{font-size:15px}
  .brand-text small{display:none}
  .nav-toggle{display:flex}
  .search-box{
    display:none;position:absolute;left:16px;right:16px;top:70px;z-index:70;
    min-width:0;background:#fff;box-shadow:var(--shadow-2);
  }
  .search-box.is-open{display:flex}
  .page-hero{padding:40px 0 34px}
  .page-hero h1{font-size:28px}
  .page-hero .hero-desc{font-size:15px}
  .section-title{font-size:22px}
  .rail-card{flex:0 0 260px}
  .stats-band{padding:32px 24px}
  .cta-inner{padding:0}
  .cta-inner h2{font-size:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-top{padding:48px 0 0}
}
@media (max-width:520px){
  .page-hero h1{font-size:25px}
  .section-title{font-size:20px}
  .btn{padding:12px 20px;font-size:14px;width:100%}
  .btn-sm{width:auto;padding:9px 14px}
  .cta-inner .btn{width:100%}
  .rail-card{flex:0 0 240px}
  .timeline{padding-left:28px}
  .tl-item::before{left:-39px;width:18px;height:18px}
  .stat{flex:1 1 100%}
}