/* roulang page: index */
:root{
  --brand:#0F6B5C;
  --brand-dark:#0B4F45;
  --brand-2:#2E9E85;
  --accent:#E98344;
  --bright:#3FC9A8;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --text:#18211F;
  --muted:#5B6B66;
  --border:#E3E0D8;
  --soft:#EAF6F2;
  --grad:linear-gradient(135deg,#0F6B5C 0%,#2E9E85 58%,#63C9AF 100%);
  --shadow-sm:0 4px 16px rgba(18,40,34,.06);
  --shadow-md:0 12px 36px rgba(18,40,34,.10);
  --shadow-lg:0 22px 60px rgba(18,40,34,.14);
  --r-hero:28px;
  --r-card:20px;
  --r-md:16px;
  --r-btn:14px;
  --r-img:18px;
  --c-width:1180px;
  --c-narrow:760px;
  --t:220ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand-2);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.32;letter-spacing:.1px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--c-width);margin:0 auto;padding:0 20px;}
.tnum{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--bright);outline-offset:2px;}

/* ---------- 按钮 ---------- */
.btn{
  font-family:inherit;font-weight:600;font-size:15px;line-height:1.2;
  border-radius:var(--r-btn);padding:12px 22px;border:1px solid transparent;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t),filter var(--t);
  cursor:pointer;text-align:center;
}
.btn:focus-visible{outline:2px solid var(--bright);outline-offset:2px;box-shadow:0 0 0 4px rgba(63,201,168,.18);}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--grad);color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm);}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--soft);color:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.45);}
.btn-light:hover{background:rgba(255,255,255,.24);color:#fff;border-color:#fff;transform:translateY(-2px);}
.btn-white{background:#fff;color:var(--brand-dark);}
.btn-white:hover{background:#fff;color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-lg{padding:15px 30px;font-size:16px;border-radius:16px;}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{background:none;border:0;color:var(--brand);padding:6px 0;position:relative;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.btn-text::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--grad);transition:width var(--t);}
.btn-text:hover::after{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--soft);color:var(--brand-dark);border:1px solid #D3EAE2;
}
.tag-accent{background:#FDF0E7;color:#B75F27;border-color:#F6DCC9;}
.tag-grad{background:var(--grad);color:#fff;border-color:transparent;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:74px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:40px;height:40px;border-radius:13px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-weight:700;font-size:17px;
  box-shadow:var(--shadow-sm);flex:0 0 auto;
}
.brand-text{font-weight:700;font-size:17px;letter-spacing:.2px;white-space:nowrap;}
.brand-sub{display:block;font-size:11.5px;font-weight:500;color:var(--muted);letter-spacing:.4px;line-height:1.3;}
.nav-chips{display:flex;gap:9px;align-items:center;flex:1 1 auto;overflow-x:auto;padding:6px 2px;scrollbar-width:none;}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;gap:7px;white-space:nowrap;
  padding:9px 16px;border-radius:999px;font-size:14.5px;font-weight:600;
  background:#FBF9F4;border:1px solid var(--border);color:var(--muted);
  transition:transform var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
}
.chip:hover{transform:translateY(-1px);color:var(--brand-dark);border-color:#CFE7DF;background:var(--soft);}
.chip.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:var(--shadow-sm);}
.chip.active:hover{color:#fff;}
.nav-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  width:44px;height:44px;border-radius:14px;border:1px solid var(--border);
  background:#fff;color:var(--brand-dark);display:grid;place-items:center;font-size:17px;
}
.nav-toggle:hover{background:var(--soft);}
.offcanvas{border-radius:0 0 0 0;}
.offcanvas-header{border-bottom:1px solid var(--border);background:#FBF9F4;}
.offcanvas-title{font-size:16px;font-weight:700;}
.offcanvas-body{background:#fff;}
.m-nav-list{display:flex;flex-direction:column;gap:10px;margin-bottom:22px;}
.m-nav-list .chip{border-radius:14px;padding:14px 16px;font-size:15px;justify-content:flex-start;}
.m-nav-group-title{font-size:12.5px;font-weight:700;color:var(--muted);letter-spacing:1px;margin:0 0 12px;}

/* ---------- Hero ---------- */
.hero{position:relative;padding:60px 0 88px;overflow:hidden;background:var(--brand-dark);}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(11,79,69,.95) 0%,rgba(15,107,92,.84) 46%,rgba(15,107,92,.42) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:46px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  color:#D8F4EB;font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero h1{
  color:#fff;font-size:clamp(30px,4.2vw,46px);line-height:1.22;letter-spacing:.2px;margin-bottom:18px;
}
.hero-sub{color:rgba(255,255,255,.84);font-size:17px;line-height:1.8;max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;max-width:660px;}
.hero-stats li{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-md);padding:12px 14px;backdrop-filter:blur(4px);
  transition:transform var(--t),background var(--t);
}
.hero-stats li:hover{transform:translateY(-3px);background:rgba(255,255,255,.19);}
.hero-stats b{display:block;font-size:21px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;line-height:1.3;}
.hero-stats span{display:block;font-size:12.5px;color:rgba(255,255,255,.78);margin-top:2px;}
.hero-card{
  background:rgba(255,255,255,.97);border-radius:var(--r-hero);padding:16px;
  box-shadow:var(--shadow-lg);position:relative;
}
.hero-card img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);}
.hero-card-body{padding:16px 6px 6px;}
.hero-card-body h3{font-size:17px;margin-bottom:8px;color:var(--brand-dark);}
.hero-card-body p{font-size:14px;color:var(--muted);line-height:1.7;}
.hero-card-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.hero-float{
  position:absolute;left:-14px;bottom:96px;background:#fff;border-radius:14px;
  padding:10px 14px;box-shadow:var(--shadow-md);font-size:13px;font-weight:600;color:var(--brand-dark);
  display:flex;align-items:center;gap:8px;
}
.hero-float i{color:var(--accent);}

/* ---------- 快速入口 ---------- */
.quick-bar{position:relative;z-index:6;margin-top:-42px;}
.quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;}
.quick-item{
  display:flex;align-items:center;gap:13px;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-md);padding:16px 18px;box-shadow:var(--shadow-sm);color:var(--text);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.quick-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#CFE7DF;color:var(--brand-dark);}
.quick-ico{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;flex:0 0 auto;
  background:var(--soft);color:var(--brand);font-size:17px;
}
.quick-item b{display:block;font-size:15px;font-weight:700;}
.quick-item span{display:block;font-size:12.5px;color:var(--muted);line-height:1.5;}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0;}
.section-alt{background:#fff;}
.section-head{max-width:720px;margin-bottom:34px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-label{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;
  letter-spacing:1.4px;color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{font-size:clamp(24px,3vw,32px);color:var(--text);margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.8;}
.divider{height:1px;background:var(--border);border:0;margin:0;}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;counter-reset:step;}
.step{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:22px 20px;
  position:relative;box-shadow:var(--shadow-sm);transition:transform var(--t),box-shadow var(--t);
}
.step::before{content:"";position:absolute;left:20px;right:20px;top:0;height:4px;border-radius:0 0 6px 6px;background:var(--grad);}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.step-no{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:1px;font-variant-numeric:tabular-nums;}
.step h3{font-size:16.5px;margin:8px 0 8px;}
.step p{font-size:13.8px;color:var(--muted);line-height:1.72;}

/* ---------- 权益对比表 ---------- */
.compare-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--r-card);}
.compare-table{
  width:100%;border-collapse:separate;border-spacing:0;background:#fff;
  border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;min-width:660px;
}
.compare-table thead th{
  background:linear-gradient(180deg,#EAF6F2 0%,#FFFFFF 100%);
  padding:18px 16px;font-size:16px;font-weight:700;color:var(--brand-dark);
  border-bottom:1px solid var(--border);text-align:left;white-space:nowrap;
}
.compare-table thead th:first-child{color:var(--muted);font-size:14px;font-weight:600;}
.compare-table tbody td{
  padding:16px;border-bottom:1px solid #EFEEE8;font-size:14.5px;color:var(--muted);vertical-align:middle;
}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table tbody tr:hover td{background:#FBFDFC;}
.compare-table td.row-head{
  font-weight:700;color:var(--text);font-size:14.5px;background:#FCFBF8;
  border-right:1px solid #EFEEE8;
}
.compare-table td .cell-ico{color:var(--bright);margin-right:7px;}
.compare-legend{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}

/* ---------- 等级亮点 ---------- */
.level-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:20px;align-items:stretch;}
.level-main{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-hero);padding:30px;
  box-shadow:var(--shadow-sm);position:relative;overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t);
}
.level-main::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--grad);}
.level-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.level-side{display:grid;grid-template-columns:1fr;gap:20px;}
.level-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
  transition:transform var(--t),box-shadow var(--t);display:flex;flex-direction:column;
}
.level-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad);}
.level-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.level-name{display:flex;align-items:center;gap:10px;margin:6px 0 10px;}
.level-name h3{font-size:20px;}
.level-fit{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:16px;}
.level-list{display:flex;flex-direction:column;gap:10px;margin-bottom:22px;flex:1 1 auto;}
.level-list li{display:flex;gap:10px;font-size:14.2px;color:var(--muted);line-height:1.7;}
.level-list i{color:var(--bright);margin-top:5px;font-size:13px;flex:0 0 auto;}
.level-note{
  background:#FCFBF8;border:1px dashed var(--border);border-radius:14px;
  padding:12px 14px;font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:18px;
}

/* ---------- 专属内容预览 ---------- */
.preview-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.preview-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t);
}
.preview-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.preview-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E7F1ED;}
.preview-cover img{width:100%;height:100%;object-fit:cover;transition:transform 300ms ease-out;}
.preview-card:hover .preview-cover img{transform:scale(1.04);}
.preview-cover .tag{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);border-color:transparent;color:var(--brand-dark);}
.lock-tag{
  position:absolute;right:12px;bottom:12px;background:rgba(11,79,69,.86);color:#fff;
  font-size:12px;font-weight:600;padding:5px 11px;border-radius:999px;display:inline-flex;align-items:center;gap:6px;
}
.preview-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.preview-body h3{font-size:17px;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.preview-body p{font-size:14px;color:var(--muted);line-height:1.72;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1 1 auto;}
.preview-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);}

/* ---------- 最新信息 ---------- */
.news-head{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;margin-bottom:30px;}
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.news-card{
  display:grid;grid-template-columns:172px minmax(0,1fr);gap:18px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:16px;
  box-shadow:var(--shadow-sm);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#CFE7DF;}
.news-thumb{border-radius:14px;overflow:hidden;background:#E7F1ED;min-height:126px;}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:14px;}
.news-body{display:flex;flex-direction:column;min-width:0;}
.news-body h3{font-size:16.5px;line-height:1.52;margin:8px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a{color:var(--text);}
.news-body h3 a:hover{color:var(--brand);}
.news-body p{font-size:13.8px;color:var(--muted);line-height:1.7;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:12.8px;color:var(--muted);margin-top:auto;}
.news-meta i{margin-right:5px;color:#9BA9A4;}
.empty-state{
  background:#fff;border:1px dashed var(--border);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;box-shadow:var(--shadow-sm);
}
.empty-state i{font-size:34px;color:#C3D6D0;display:block;margin-bottom:14px;}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:18px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{
  border:1px solid var(--border)!important;border-radius:var(--r-md)!important;
  overflow:hidden;margin-bottom:12px;background:#fff;box-shadow:var(--shadow-sm);
}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--text);background:#FBF9F4;
  padding:0 22px;min-height:56px;line-height:1.5;box-shadow:none!important;
  display:flex;align-items:center;gap:14px;
}
.accordion-button:not(.collapsed){background:#fff;color:var(--brand-dark);}
.accordion-button::after{
  content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;
  background-image:none;color:var(--brand);transition:transform var(--t);
  width:auto;height:auto;margin-left:auto;
}
.accordion-button:not(.collapsed)::after{transform:rotate(90deg);color:var(--bright);}
.accordion-body{padding:16px 22px 22px;font-size:14.8px;line-height:1.85;color:var(--muted);background:#fff;}
.accordion-body strong{color:var(--text);}

/* ---------- CTA ---------- */
.cta-block{
  background:var(--grad);border-radius:var(--r-hero);padding:56px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.cta-block::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-copy h2{color:#fff;font-size:clamp(23px,2.8vw,30px);margin-bottom:14px;}
.cta-copy p{color:rgba(255,255,255,.86);font-size:15.5px;line-height:1.8;}
.cta-actions{position:relative;z-index:2;display:flex;flex-direction:column;gap:12px;flex:0 0 auto;}
.cta-points{display:flex;flex-wrap:wrap;gap:16px;margin-top:20px;}
.cta-points span{color:rgba(255,255,255,.9);font-size:13.5px;display:inline-flex;align-items:center;gap:7px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-dark);color:rgba(255,255,255,.72);padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;}
.footer-brand .brand{color:#fff;margin-bottom:14px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.55);}
.footer-brand p{font-size:13.8px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px;}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:16px;letter-spacing:.4px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:rgba(255,255,255,.7);font-size:14px;}
.footer-col a:hover{color:var(--bright);}
.footer-col li span{font-size:14px;color:rgba(255,255,255,.7);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--bright);}

/* ---------- 响应式 ---------- */
@media (max-width:1399.98px){
  .hero-inner{gap:36px;}
}
@media (max-width:1199.98px){
  .section{padding:68px 0;}
  .hero{padding:52px 0 82px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));max-width:520px;}
  .steps{grid-template-columns:repeat(3,minmax(0,1fr));}
  .preview-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
}
@media (max-width:991.98px){
  .nav-chips,.nav-cta .btn-text{display:none;}
  .nav-wrap{min-height:68px;}
  .hero-inner{grid-template-columns:1fr;}
  .hero{padding:44px 0 76px;}
  .hero-card{order:-1;max-width:560px;}
  .hero-float{left:auto;right:10px;bottom:auto;top:26px;}
  .hero-sub{font-size:16px;}
  .quick-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .level-grid{grid-template-columns:1fr;}
  .level-side{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-grid{grid-template-columns:1fr;}
  .cta-block{flex-direction:column;align-items:flex-start;padding:44px 32px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767.98px){
  body{font-size:15px;line-height:1.7;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:26px;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .preview-grid{grid-template-columns:1fr;}
  .level-side{grid-template-columns:1fr;}
  .news-card{grid-template-columns:1fr;}
  .news-thumb{min-height:170px;aspect-ratio:16/9;}
  .compare-wrap{overflow:visible;}
  .compare-table{min-width:0;border:0;background:transparent;border-radius:0;}
  .compare-table thead{display:none;}
  .compare-table,.compare-table tbody,.compare-table tr,.compare-table td{display:block;width:100%;}
  .compare-table tr{
    background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
    margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-sm);
  }
  .compare-table td{border-bottom:1px solid #F1F0EA;padding:12px 16px;font-size:14px;}
  .compare-table td:last-child{border-bottom:0;}
  .compare-table td::before{
    content:attr(data-label);display:block;font-size:12px;color:#93A19C;
    font-weight:600;letter-spacing:.4px;margin-bottom:3px;
  }
  .compare-table td.row-head{
    background:var(--soft);border-right:0;color:var(--brand-dark);
    font-size:15px;padding:14px 16px;
  }
  .compare-table td.row-head::before{display:none;}
  .accordion-button{font-size:15px;padding:0 18px;}
  .accordion-body{padding:14px 18px 20px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}
  .hero-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .cta-block{padding:34px 22px;border-radius:22px;}
  .quick-bar{margin-top:-34px;}
}
@media (max-width:575.98px){
  .container{padding:0 16px;}
  .section{padding:44px 0;}
  .brand-text{font-size:15.5px;}
  .brand-sub{font-size:11px;}
  .hero h1{font-size:clamp(26px,7.6vw,32px);}
  .hero-sub{font-size:15px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hero-stats b{font-size:18px;}
  .quick-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .hero-card{padding:12px;}
  .hero-float{position:static;margin-top:12px;box-shadow:none;border:1px solid var(--border);}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --brand:#0F6B5C;
  --brand-dark:#0B4F45;
  --accent:#E98344;
  --mint:#3FC9A8;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --text:#18211F;
  --muted:#5B6B66;
  --line:#E3E0D8;
  --soft:#F1EFE9;
  --grad:linear-gradient(135deg,#0F6B5C 0%,#2E9E85 58%,#63C9AF 100%);
  --radius-hero:28px;
  --radius-card:20px;
  --radius-mid:16px;
  --radius-btn:14px;
  --shadow-sm:0 4px 16px rgba(18,40,34,.06);
  --shadow-md:0 12px 36px rgba(18,40,34,.10);
  --shadow-lg:0 22px 60px rgba(18,40,34,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.32;letter-spacing:.2px}
p{margin:0}
ul,ol{list-style:none;margin:0;padding:0}
button{font-family:inherit}
a:focus-visible,button:focus-visible,.chip:focus-visible,input:focus-visible{
  outline:2px solid var(--mint);
  outline-offset:2px;
  border-radius:12px;
}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:22px;
  padding:12px 0;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  display:grid;place-items:center;
  font-size:17px;font-weight:700;
  box-shadow:var(--shadow-sm);
  flex-shrink:0;
}
.brand-text{
  display:block;
  font-size:17px;
  font-weight:700;
  color:var(--text);
  line-height:1.2;
  letter-spacing:.2px;
}
.brand-sub{
  display:block;
  font-size:12px;
  color:var(--muted);
  line-height:1.5;
}
.nav-chips{
  display:flex;
  align-items:center;
  gap:9px;
  flex:1;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding:2px 0;
}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:9px 16px;
  border-radius:999px;
  background:var(--soft);
  border:1px solid var(--line);
  color:var(--muted);
  font-size:14px;
  font-weight:500;
  white-space:nowrap;
  transition:all .2s var(--ease);
}
.chip i{font-size:12.5px}
.chip:hover{
  transform:translateY(-1px);
  color:var(--brand);
  border-color:#C9E5DC;
  background:#EFF7F4;
}
.chip.active{
  background:var(--grad);
  color:#fff;
  border-color:transparent;
  box-shadow:var(--shadow-sm);
}
.chip.active:hover{color:#fff}
.header-cta{flex-shrink:0}

.btn-grad{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border:none;
  border-radius:var(--radius-btn);
  background:var(--grad);
  color:#fff;
  font-size:14.5px;
  font-weight:600;
  line-height:1.3;
  box-shadow:var(--shadow-sm);
  transition:all .2s var(--ease);
  cursor:pointer;
}
.btn-grad:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-grad:active{transform:translateY(0);box-shadow:var(--shadow-sm)}

.btn-outline-brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 20px;
  border-radius:var(--radius-btn);
  background:#fff;
  border:1.5px solid var(--brand);
  color:var(--brand);
  font-size:14.5px;
  font-weight:600;
  line-height:1.3;
  transition:all .2s var(--ease);
  cursor:pointer;
}
.btn-outline-brand:hover{background:#EAF7F2;color:var(--brand-dark);transform:translateY(-2px)}
.btn-outline-brand:active{transform:translateY(0)}

.btn-text{
  position:relative;
  color:var(--brand);
  font-weight:600;
  font-size:14.5px;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.btn-text::after{
  content:"";
  position:absolute;
  left:0;bottom:-3px;
  height:2px;width:0;
  background:var(--grad);
  transition:width .22s var(--ease);
}
.btn-text:hover::after{width:100%}

/* ============ 页面头图 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(11,79,69,.95) 0%,rgba(15,107,92,.88) 52%,rgba(15,107,92,.62) 100%);
}
.page-hero .container{position:relative;z-index:2;padding:40px 20px 52px}

.breadcrumb-nav{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-bottom:22px;
}
.breadcrumb-nav a{color:rgba(255,255,255,.86)}
.breadcrumb-nav a:hover{color:#fff;text-decoration:underline}
.breadcrumb-nav i{font-size:10px;opacity:.65}
.breadcrumb-nav .current{color:#fff;opacity:.95}

.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.26);
  color:#EAFBF5;
  font-size:13px;
  font-weight:600;
  margin-bottom:16px;
  backdrop-filter:blur(4px);
}
.article-title{
  font-size:clamp(28px,4vw,44px);
  color:#fff;
  max-width:860px;
  line-height:1.28;
  letter-spacing:.4px;
  text-shadow:0 2px 18px rgba(0,0,0,.18);
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 22px;
  margin-top:20px;
  font-size:13.5px;
  color:rgba(255,255,255,.82);
  font-variant-numeric:tabular-nums;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{font-size:12.5px;opacity:.85}

/* ============ 阅读区 ============ */
.article-section{padding:56px 0 28px}
.reading-wrap{max-width:800px;margin:0 auto}
.article-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:24px;
  padding:40px 44px 44px;
  box-shadow:var(--shadow-sm);
}
.article-lede{
  font-size:16.5px;
  line-height:1.85;
  color:var(--muted);
  padding-bottom:22px;
  margin-bottom:26px;
  border-bottom:1px dashed var(--line);
}

.article-body{font-size:16.5px;line-height:1.9;color:#22statement;}
.article-body{color:#22302C}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;
  font-size:clamp(22px,2.4vw,28px);
  margin:1.9em 0 .75em;
  padding-left:16px;
  color:var(--text);
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.16em;bottom:.16em;
  width:5px;
  border-radius:3px;
  background:var(--grad);
}
.article-body h3{
  font-size:20px;
  margin:1.6em 0 .6em;
  color:var(--brand-dark);
}
.article-body h4{
  font-size:17px;
  margin:1.4em 0 .5em;
  color:var(--text);
}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(15,107,92,.35)}
.article-body a:hover{color:var(--brand-dark);border-bottom-color:var(--brand-dark)}
.article-body strong{color:var(--brand-dark);font-weight:700}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.45em}
.article-body ul li{list-style:disc;margin-bottom:.5em}
.article-body ol li{list-style:decimal;margin-bottom:.5em}
.article-body li::marker{color:var(--brand)}
.article-body img{
  width:100%;
  height:auto;
  border-radius:18px;
  margin:1.5em 0;
  box-shadow:var(--shadow-sm);
}
.article-body blockquote{
  position:relative;
  margin:1.6em 0;
  padding:18px 24px 18px 26px;
  background:#F2F7F5;
  border-radius:0 16px 16px 0;
  color:#2C3D38;
  font-size:16px;
}
.article-body blockquote::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  border-radius:4px;
  background:var(--grad);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{
  display:block;
  width:100%;
  overflow-x:auto;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:15px;
}
.article-body th,.article-body td{
  border:1px solid var(--line);
  padding:10px 14px;
  text-align:left;
  min-width:110px;
}
.article-body th{background:#F2F7F5;color:var(--brand-dark);font-weight:600}
.article-body pre{
  background:#F3F1EB;
  border:1px solid var(--line);
  border-radius:14px;
  padding:16px 18px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
  margin:1.5em 0;
}
.article-body code{
  background:#F3F1EB;
  padding:2px 6px;
  border-radius:6px;
  font-size:.92em;
  color:#8A4B22;
}
.article-body pre code{background:transparent;padding:0;color:inherit}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.2em 0}

.empty-state{
  text-align:center;
  padding:58px 20px 52px;
}
.empty-state .empty-icon{
  width:64px;height:64px;
  margin:0 auto 18px;
  border-radius:20px;
  background:#EFF7F4;
  color:var(--brand);
  display:grid;place-items:center;
  font-size:26px;
}
.empty-state p{
  font-size:17px;
  font-weight:600;
  color:var(--text);
  margin-bottom:8px;
}
.empty-state small{
  display:block;
  color:var(--muted);
  font-size:14px;
  margin-bottom:22px;
}

/* ============ 相关推荐 ============ */
.related-section{padding:36px 0 24px}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:24px;
  flex-wrap:wrap;
}
.section-head h2{font-size:clamp(22px,2.6vw,30px);color:var(--text)}
.section-head p{font-size:14.5px;color:var(--muted);margin-top:8px}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.card-soft{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  height:100%;
}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.card-thumb{
  display:block;
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#E9EFEC;
}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card-soft:hover .card-thumb img{transform:scale(1.04)}
.card-thumb .thumb-tag{
  position:absolute;
  left:12px;top:12px;
  padding:4px 11px;
  border-radius:999px;
  background:rgba(255,255,255,.92);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  backdrop-filter:blur(4px);
}
.card-content{
  padding:18px 20px 22px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.card-content h3{
  font-size:17px;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-content h3 a{color:var(--text)}
.card-content h3 a:hover{color:var(--brand)}
.card-content p{
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  display:flex;
  align-items:center;
  gap:14px;
  margin-top:auto;
  padding-top:12px;
  border-top:1px dashed var(--line);
  font-size:12.5px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.card-meta span{display:inline-flex;align-items:center;gap:6px}

/* ============ 翻页 ============ */
.pager-section{padding:14px 0 46px}
.pager-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.pager-card{
  display:flex;
  gap:16px;
  align-items:flex-start;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-mid);
  padding:20px 22px;
  box-shadow:var(--shadow-sm);
  transition:all .22s var(--ease);
}
.pager-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#CFE7DF}
.pager-card .pager-icon{
  width:42px;height:42px;
  flex-shrink:0;
  border-radius:12px;
  background:#EFF7F4;
  color:var(--brand);
  display:grid;place-items:center;
  font-size:15px;
}
.pager-card small{
  display:block;
  font-size:12.5px;
  color:var(--muted);
  margin-bottom:4px;
}
.pager-card strong{
  display:block;
  font-size:15.5px;
  color:var(--text);
  font-weight:600;
  line-height:1.5;
}
.pager-card:hover strong{color:var(--brand)}
.pager-back{
  display:flex;
  justify-content:center;
  margin-top:22px;
}

/* ============ 底部 CTA ============ */
.cta-section{padding:22px 0 76px}
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-hero);
  background:var(--grad);
  padding:52px 56px;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:34px;
  box-shadow:var(--shadow-lg);
}
.cta-panel::before{
  content:"";
  position:absolute;
  right:-90px;top:-90px;
  width:280px;height:280px;
  border-radius:50%;
  background:rgba(255,255,255,.10);
}
.cta-panel::after{
  content:"";
  position:absolute;
  right:60px;bottom:-130px;
  width:220px;height:220px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
}
.cta-text{position:relative;z-index:2;max-width:640px}
.cta-text h2{font-size:clamp(22px,2.7vw,30px);color:#fff}
.cta-text p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.9)}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0}
.btn-light-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  border-radius:var(--radius-btn);
  background:#fff;
  color:var(--brand-dark);
  font-weight:700;
  font-size:15px;
  border:none;
  transition:all .2s var(--ease);
  cursor:pointer;
}
.btn-light-solid:hover{transform:translateY(-2px);color:var(--brand-dark);box-shadow:var(--shadow-md)}
.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;
  border-radius:var(--radius-btn);
  background:transparent;
  border:1.5px solid rgba(255,255,255,.65);
  color:#fff;
  font-weight:600;
  font-size:15px;
  transition:all .2s var(--ease);
  cursor:pointer;
}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}

/* ============ 页脚 ============ */
.site-footer{
  background:#0B4F45;
  color:#D7E5E1;
  padding:58px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:34px;
}
.footer-brand .brand-text{color:#fff;font-size:17px}
.footer-brand .brand-sub{color:#8FB5AC}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:#A9C6BF;
  max-width:330px;
}
.footer-col h4{
  font-size:15px;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.4px;
}
.footer-col li{margin-bottom:10px;font-size:14px;color:#A9C6BF}
.footer-col a{color:#A9C6BF;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--mint)}
.footer-col span{display:inline-flex;align-items:center;gap:8px;color:#A9C6BF}
.footer-col i{font-size:13px;color:#7FB2A7}
.footer-bottom{
  margin-top:38px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  font-size:13px;
  color:#8FB5AC;
}

/* ============ 移动端底部条 ============ */
.mobile-cta-bar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:1040;
  padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.96);
  border-top:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.mobile-cta-bar .btn-grad{width:100%;padding:13px 20px}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1;max-width:560px}
}

@media (max-width:991.98px){
  .header-inner{gap:16px}
  .brand-sub{display:none}
  .article-card{padding:32px 28px 34px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .cta-panel{padding:42px 36px;flex-direction:column;align-items:flex-start;gap:26px}
  .page-hero .container{padding:34px 20px 44px}
}

@media (max-width:767.98px){
  body{font-size:15px;line-height:1.7}
  .header-cta{display:none}
  .nav-chips{gap:8px}
  .chip{padding:8px 14px;font-size:13.5px}
  .brand-text{font-size:15.5px}
  .brand-mark{width:34px;height:34px;font-size:15px;border-radius:10px}
  .article-section{padding:36px 0 20px}
  .article-card{border-radius:20px;padding:26px 20px 28px}
  .article-lede{font-size:15px;margin-bottom:20px;padding-bottom:18px}
  .article-body{font-size:15.5px;line-height:1.85}
  .related-grid{grid-template-columns:1fr;gap:18px}
  .pager-grid{grid-template-columns:1fr;gap:14px}
  .section-head{margin-bottom:18px}
  .cta-section{padding:14px 0 66px}
  .cta-panel{padding:32px 24px;border-radius:22px}
  .cta-actions{width:100%}
  .cta-actions .btn-light-solid,.cta-actions .btn-ghost-light{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-brand{max-width:none}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .mobile-cta-bar{display:block}
  .page-hero .container{padding:28px 20px 38px}
  .breadcrumb-nav{font-size:12.5px;margin-bottom:16px}
}

@media (max-width:575.98px){
  .container{padding:0 16px}
  .article-title{font-size:24px;line-height:1.35}
  .article-meta{gap:8px 16px;font-size:12.5px}
  .hero-tag{font-size:12px;padding:5px 12px}
  .article-card{padding:22px 16px 24px;border-radius:18px}
  .cta-panel{padding:28px 18px}
  .related-grid{gap:16px}
  .card-content{padding:16px 16px 20px}
}

/* roulang page: category2 */
:root{
  --brand:#0F6B5C;
  --brand-dark:#0B4F45;
  --accent:#E98344;
  --mint:#3FC9A8;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --text:#18211F;
  --muted:#5B6B66;
  --line:#E3E0D8;
  --grad:linear-gradient(135deg,#0F6B5C 0%,#2E9E85 58%,#63C9AF 100%);
  --r-hero:28px;
  --r-card:20px;
  --r-md:16px;
  --r-btn:14px;
  --shadow-sm:0 4px 16px rgba(18,40,34,.06);
  --shadow-md:0 12px 36px rgba(18,40,34,.10);
  --shadow-lg:0 22px 60px rgba(18,40,34,.14);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;letter-spacing:.2px}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.section{padding:78px 0}
.section-sm{padding:56px 0}
.section-head{max-width:760px;margin-bottom:34px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);
  background:rgba(63,201,168,.14);border-radius:999px;padding:6px 14px;margin-bottom:14px;
}
.eyebrow i{font-size:12px}
.section-head h2{font-size:clamp(24px,3vw,32px);margin-bottom:12px}
.section-head p{color:var(--muted);font-size:15.5px}
.num{font-variant-numeric:tabular-nums}

/* header */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;padding:12px 0;flex-wrap:wrap}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:16px;box-shadow:var(--shadow-sm);
}
.brand-text{display:block;font-size:17px;font-weight:700;color:var(--text);line-height:1.2}
.brand-sub{display:block;font-size:12px;color:var(--muted);line-height:1.5}
.nav-chips{
  display:flex;align-items:center;gap:9px;flex:1 1 320px;
  overflow-x:auto;scrollbar-width:none;padding:2px 0;
}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;gap:7px;white-space:nowrap;
  padding:8px 15px;border-radius:999px;font-size:14px;font-weight:600;
  background:var(--bg);border:1px solid var(--line);color:var(--muted);
  transition:transform .18s ease-out,background .18s ease-out,color .18s ease-out,box-shadow .18s ease-out;
}
.chip i{font-size:12.5px;opacity:.9}
.chip:hover{transform:translateY(-1px);color:var(--brand);background:#fff;box-shadow:var(--shadow-sm)}
.chip.active{background:var(--grad);border-color:transparent;color:#fff;box-shadow:var(--shadow-sm)}
.chip.active::after{
  content:"";position:absolute;left:50%;bottom:-9px;width:22px;height:3px;border-radius:2px;
  background:var(--mint);transform:translateX(-50%);
}
.chip{position:relative}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .2s ease-out;
}
.btn-brand{background:var(--grad);color:#fff;box-shadow:var(--shadow-sm)}
.btn-brand:hover{filter:brightness(1.06);transform:translateY(-2px);color:#fff;box-shadow:var(--shadow-md)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(63,201,168,.12);color:var(--brand-dark);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--brand-dark)}
.btn-light:hover{background:#fff;transform:translateY(-2px);color:var(--brand-dark);box-shadow:var(--shadow-md)}
.btn-outline-light-b{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-light-b:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn:focus-visible,.chip:focus-visible,a:focus-visible{outline:2px solid var(--mint);outline-offset:2px}

/* hero */
.hero-wrap{padding-top:30px}
.page-hero{
  position:relative;overflow:hidden;border-radius:var(--r-hero);padding:58px 52px;color:#fff;
  background-image:linear-gradient(115deg,rgba(11,79,69,.95) 0%,rgba(15,107,92,.82) 52%,rgba(63,201,168,.42) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;box-shadow:var(--shadow-lg);
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,46px);color:#fff;max-width:860px;margin-bottom:16px;
}
.page-hero .lead{font-size:17px;color:rgba(255,255,255,.9);max-width:700px;margin-bottom:22px}
.page-hero .intro{
  max-width:760px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.86);
  border-left:3px solid rgba(63,201,168,.75);padding-left:16px;
}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.stat-badge{
  display:flex;align-items:baseline;gap:8px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);border-radius:999px;padding:9px 18px;
  backdrop-filter:blur(4px);
}
.stat-badge b{font-size:19px;font-weight:700;font-variant-numeric:tabular-nums;color:#fff}
.stat-badge span{font-size:13px;color:rgba(255,255,255,.84)}
.crumb{font-size:13px;color:var(--muted);margin:16px 0 0}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{margin:0 8px;opacity:.6}

/* filter bar */
.filter-bar{
  display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding:6px 0 18px;
}
.filter-bar::-webkit-scrollbar{display:none}
.filter-chip{
  display:inline-flex;align-items:center;gap:7px;white-space:nowrap;cursor:pointer;
  padding:9px 17px;border-radius:999px;font-size:14px;font-weight:600;
  background:#fff;border:1px solid var(--line);color:var(--muted);
  transition:all .18s ease-out;
}
.filter-chip i{font-size:12px}
.filter-chip:hover{transform:translateY(-1px);color:var(--brand);box-shadow:var(--shadow-sm)}
.filter-chip.active{background:var(--grad);border-color:transparent;color:#fff;box-shadow:var(--shadow-sm)}

/* card grid */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.content-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E8E5DC}
.card-cover img{width:100%;height:100%;object-fit:cover}
.badge-cat{
  position:absolute;top:14px;left:14px;display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(255,255,255,.92);color:var(--brand);box-shadow:var(--shadow-sm);
}
.badge-lock{
  position:absolute;right:14px;bottom:14px;display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(11,79,69,.86);color:#fff;
}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto}
.card-body h3{font-size:19px;margin-bottom:10px}
.card-text{
  color:var(--muted);font-size:14.5px;line-height:1.75;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.card-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand);
  background-image:linear-gradient(var(--brand),var(--brand));
  background-size:0 1.5px;background-repeat:no-repeat;background-position:0 100%;
  transition:background-size .22s ease-out;
}
.card-link:hover{background-size:100% 1.5px}
.card-meta{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.empty-state{display:none;text-align:center;padding:56px 20px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card)}
.empty-state i{font-size:26px;color:var(--mint);margin-bottom:12px}
.empty-state p{color:var(--muted);font-size:14.5px;margin-bottom:14px}

/* detail list */
.detail-list{display:grid;gap:14px}
.detail-item{
  display:grid;grid-template-columns:190px 1fr;gap:20px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 24px;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.detail-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.detail-key{display:flex;flex-direction:column;gap:8px}
.level-tag{
  display:inline-flex;align-items:center;gap:7px;align-self:flex-start;
  padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:700;color:#fff;background:var(--grad);
}
.level-tag.alt{background:linear-gradient(135deg,#0B4F45,#0F6B5C)}
.level-tag.warm{background:linear-gradient(135deg,#E98344,#F0A46B)}
.detail-key strong{font-size:17px}
.detail-key small{font-size:12.5px;color:var(--muted)}
.detail-val p{font-size:14.5px;color:var(--muted);margin-bottom:10px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  font-size:12.5px;color:var(--brand);background:rgba(63,201,168,.13);
  border-radius:999px;padding:4px 12px;font-weight:600;
}

/* faq */
.faq-list{max-width:900px}
.accordion-item{border:none;background:transparent;margin-bottom:12px}
.accordion-button{
  background:var(--bg);border-radius:var(--r-md) !important;color:var(--text);
  font-weight:600;font-size:16px;min-height:56px;padding:16px 22px;box-shadow:none;
  transition:background .2s ease-out,color .2s ease-out,box-shadow .2s ease-out;
}
.accordion-button:not(.collapsed){background:#fff;color:var(--brand);box-shadow:var(--shadow-sm)}
.accordion-button:focus{box-shadow:0 0 0 2px var(--mint);border-color:transparent}
.accordion-button::after{
  background-image:none !important;content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:12px;width:auto;height:auto;transition:transform .2s ease-out;color:currentColor;
}
.accordion-button:not(.collapsed)::after{transform:rotate(90deg)}
.accordion-body{
  background:#fff;border-radius:0 0 var(--r-md) var(--r-md);color:var(--muted);
  font-size:14.5px;line-height:1.85;padding:18px 22px 22px;
}

/* cta */
.cta-card{
  background:var(--grad);border-radius:var(--r-hero);padding:52px 54px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;box-shadow:var(--shadow-lg);
}
.cta-card h2{font-size:clamp(22px,2.6vw,30px);color:#fff;margin-bottom:10px}
.cta-card p{color:rgba(255,255,255,.9);font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}

/* related */
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.related-card{
  display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px 22px;transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.related-icon{
  width:46px;height:46px;border-radius:14px;background:rgba(15,107,92,.1);color:var(--brand);
  display:grid;place-items:center;font-size:18px;flex:0 0 auto;
}
.related-card h3{font-size:16.5px;margin-bottom:4px;color:var(--text)}
.related-card p{font-size:13.5px;color:var(--muted);margin:0}

/* footer */
.site-footer{background:var(--brand-dark);color:rgba(255,255,255,.78);margin-top:80px;padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px}
.site-footer .brand-text{color:#fff}
.site-footer .brand-sub{color:rgba(255,255,255,.6)}
.site-footer .brand-mark{background:var(--grad)}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.72);margin-top:16px;max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px}
.footer-col li{margin-bottom:10px;font-size:14px}
.footer-col a{color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--mint)}
.footer-col span{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.72)}
.footer-col i{font-size:13px;color:var(--mint)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.6);
}

/* responsive */
@media (max-width:1199px){
  .header-inner{gap:14px}
}
@media (max-width:991px){
  .section{padding:60px 0}
  .page-hero{padding:44px 34px}
  .detail-item{grid-template-columns:160px 1fr;gap:16px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  body{font-size:15px;line-height:1.7}
  .section{padding:46px 0}
  .header-inner{padding:10px 0;gap:12px}
  .nav-chips{order:3;flex:1 1 100%;padding-bottom:6px}
  .header-actions{margin-left:auto}
  .header-actions .btn-ghost{display:none}
  .brand-text{font-size:15.5px}
  .brand-sub{display:none}
  .page-hero{padding:34px 22px;border-radius:22px}
  .page-hero .lead{font-size:15.5px}
  .hero-stats{gap:9px}
  .stat-badge{padding:7px 14px}
  .stat-badge b{font-size:17px}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .detail-item{grid-template-columns:1fr}
  .cta-card{flex-direction:column;align-items:flex-start;padding:34px 24px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .chip{font-size:13px;padding:7px 13px}
  .page-hero h1{font-size:27px}
  .btn{padding:10px 18px;font-size:14.5px}
}

/* roulang page: category1 */
:root{
  --brand:#0F6B5C;
  --brand-dark:#0B4F45;
  --accent:#E98344;
  --mint:#3FC9A8;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --text:#18211F;
  --muted:#5B6B66;
  --border:#E3E0D8;
  --grad:linear-gradient(135deg,#0F6B5C 0%,#2E9E85 58%,#63C9AF 100%);
  --shadow-sm:0 4px 16px rgba(18,40,34,.06);
  --shadow-md:0 12px 36px rgba(18,40,34,.10);
  --shadow-lg:0 22px 60px rgba(18,40,34,.14);
  --r-hero:28px;
  --r-card:20px;
  --r-md:16px;
  --r-btn:14px;
  --ease:cubic-bezier(.24,.72,.32,1);
}

/* ===== 基础 reset ===== */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--brand-dark);}
button{font:inherit;cursor:pointer;}
::selection{background:rgba(63,201,168,.32);}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:4px;}

/* ===== 容器 ===== */
.container{width:100%;max-width:1180px;margin:0 auto;padding-left:20px;padding-right:20px;}

/* ===== 顶栏 ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;
  font-weight:700;font-size:17px;
  box-shadow:0 6px 16px rgba(15,107,92,.22);
  flex:0 0 auto;
}
.brand-text{display:block;font-size:17px;font-weight:700;line-height:1.2;letter-spacing:.2px;}
.brand-sub{display:block;font-size:12px;color:var(--muted);line-height:1.35;}

.nav-chips{
  display:flex;align-items:center;gap:10px;
  flex:1 1 auto;min-width:0;
  overflow-x:auto;scrollbar-width:none;
  padding:6px 2px;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  white-space:nowrap;
  padding:9px 16px;
  border-radius:999px;
  border:1px solid var(--border);
  background:var(--bg);
  color:var(--muted);
  font-size:14px;font-weight:500;
  transition:all .2s var(--ease);
}
.chip i{font-size:13px;}
.chip:hover{transform:translateY(-1px);color:var(--brand);background:#fff;border-color:rgba(15,107,92,.32);}
.chip.active{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 8px 20px rgba(15,107,92,.22);}
.chip.active:hover{color:#fff;}
.header-cta{flex:0 0 auto;}

/* ===== 按钮 ===== */
.btn-brand,.btn-outline-brand,.btn-outline-light,.btn-white{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:0;cursor:pointer;
  transition:all .2s var(--ease);
}
.btn-brand{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(15,107,92,.20);}
.btn-brand:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,107,92,.26);}
.btn-brand:active{transform:translateY(0);}
.btn-outline-brand{background:#fff;border:1px solid rgba(15,107,92,.35);color:var(--brand);}
.btn-outline-brand:hover{background:rgba(63,201,168,.12);color:var(--brand-dark);transform:translateY(-2px);}
.btn-outline-light{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.55);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.20);color:#fff;transform:translateY(-2px);}
.btn-white{background:#fff;color:var(--brand);box-shadow:0 10px 24px rgba(11,79,69,.20);}
.btn-white:hover{color:var(--brand-dark);transform:translateY(-2px);}

/* ===== 首屏 ===== */
.cat-hero{
  position:relative;
  margin-top:24px;
  padding:52px 44px 48px;
  border-radius:var(--r-hero);
  overflow:hidden;
  color:#fff;
  background-image:
    linear-gradient(115deg,rgba(11,79,69,.95) 0%,rgba(15,107,92,.88) 48%,rgba(15,107,92,.55) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-lg);
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px;}
.crumbs a{color:rgba(255,255,255,.84);}
.crumbs a:hover{color:var(--mint);}
.crumbs .sep{color:rgba(255,255,255,.45);}
.crumbs .current{color:#fff;}
.cat-hero h1{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.24;font-weight:800;letter-spacing:-.6px;
  max-width:920px;
}
.hero-lead{
  margin-top:16px;max-width:760px;
  font-size:17px;line-height:1.82;
  color:rgba(255,255,255,.88);
}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.stat{
  display:flex;flex-direction:column;gap:2px;
  min-width:148px;padding:12px 20px;
  border-radius:16px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);
  backdrop-filter:blur(6px);
}
.stat-num{font-size:26px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;}
.stat-label{font-size:12.5px;color:rgba(255,255,255,.82);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}

/* ===== 说明条 ===== */
.intro-note{
  position:relative;
  margin-top:24px;
  padding:24px 28px 24px 32px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
}
.intro-note::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:4px;
  border-radius:0 4px 4px 0;background:var(--grad);
}
.intro-note p{font-size:15.5px;color:var(--muted);line-height:1.85;}

/* ===== 主体分栏 ===== */
.cat-body{padding:64px 0 8px;}
.layout-split{display:grid;grid-template-columns:288px minmax(0,1fr);gap:32px;align-items:start;}
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px;}

.anchor-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--shadow-sm);
}
.anchor-title{
  font-size:15px;font-weight:700;color:var(--text);
  padding-bottom:12px;margin-bottom:10px;
  border-bottom:1px dashed var(--border);
}
.anchor-list{display:flex;flex-direction:column;gap:2px;}
.anchor-link{
  position:relative;display:block;
  padding:9px 12px 9px 18px;
  border-radius:12px;
  font-size:14.5px;color:var(--muted);
  transition:all .18s var(--ease);
}
.anchor-link::before{
  content:"";position:absolute;left:7px;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--grad);
  transition:height .2s var(--ease);
}
.anchor-link:hover{background:var(--bg);color:var(--brand);}
.anchor-link.is-active{background:rgba(63,201,168,.13);color:var(--brand);font-weight:600;}
.anchor-link.is-active::before{height:16px;}

.side-figure{
  margin:0;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm);
}
.side-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.side-figure figcaption{padding:12px 16px;font-size:12.5px;color:var(--muted);line-height:1.65;}

.main-col{display:flex;flex-direction:column;gap:22px;min-width:0;}
.group-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--shadow-sm);
  scroll-margin-top:96px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.group-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.group-head{display:flex;align-items:center;gap:12px;margin-bottom:10px;}
.group-index{
  flex:0 0 auto;
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
  color:var(--brand);background:rgba(15,107,92,.08);
  border:1px solid rgba(15,107,92,.16);
  border-radius:999px;padding:3px 12px;
}
.group-title{font-size:20px;font-weight:700;letter-spacing:-.2px;}
.group-desc{color:var(--muted);font-size:15.5px;margin-bottom:18px;}
.point-list{display:flex;flex-direction:column;gap:12px;}
.point-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;border-radius:14px;
  background:var(--bg);border:1px solid transparent;
  transition:all .18s var(--ease);
}
.point-list li:hover{background:#fff;border-color:var(--border);box-shadow:var(--shadow-sm);}
.point-list i{color:var(--mint);font-size:15px;margin-top:5px;flex:0 0 auto;}
.point-list strong{display:block;font-size:15px;font-weight:600;margin-bottom:2px;}
.point-list span{display:block;font-size:14px;color:var(--muted);line-height:1.72;}
.text-link{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  margin-top:18px;font-size:14.5px;font-weight:600;color:var(--brand);
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1.5px;width:0;
  background:var(--grad);transition:width .24s var(--ease);
}
.text-link:hover{color:var(--brand-dark);}
.text-link:hover::after{width:100%;}

/* ===== 板块标题 ===== */
.section-head{margin-bottom:28px;}
.section-title{font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:-.4px;line-height:1.3;}
.section-sub{color:var(--muted);margin-top:10px;font-size:15.5px;max-width:760px;}

/* ===== FAQ ===== */
.faq-section{padding:72px 0;}
.faq-accordion{display:flex;flex-direction:column;gap:12px;}
.faq-accordion .accordion-item{
  border:1px solid var(--border);border-radius:var(--r-md);
  overflow:hidden;background:var(--card);box-shadow:var(--shadow-sm);
}
.faq-accordion .accordion-button{
  display:flex;align-items:center;gap:12px;
  min-height:56px;padding:16px 22px;
  background:var(--bg);color:var(--text);
  font-size:16px;font-weight:600;
  border:0;box-shadow:none;
}
.faq-accordion .accordion-button:not(.collapsed){background:#fff;color:var(--brand);}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 2px var(--mint) inset;outline:none;}
.faq-accordion .accordion-button::after{
  content:"\f054";
  font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  background-image:none;
  width:auto;height:auto;margin-left:auto;
  color:var(--brand);
  transition:transform .22s var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(90deg);}
.faq-accordion .accordion-body{
  padding:18px 22px 22px;
  font-size:15px;line-height:1.85;color:var(--muted);
}

/* ===== 底部 CTA ===== */
.cta-band{padding:8px 0 76px;}
.cta-inner{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:52px 56px;
  border-radius:var(--r-hero);
  background:var(--grad);
  color:#fff;
  box-shadow:var(--shadow-lg);
}
.cta-inner::after{
  content:"";position:absolute;right:-80px;bottom:-130px;
  width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.10);
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.3px;line-height:1.3;}
.cta-inner p{margin-top:10px;max-width:620px;font-size:15.5px;color:rgba(255,255,255,.88);}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px;}

/* ===== 页脚 ===== */
.site-footer{background:var(--brand-dark);color:rgba(255,255,255,.78);padding:56px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-sub{color:rgba(255,255,255,.62);}
.footer-brand p{margin-top:16px;max-width:320px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--mint);}
.footer-col i{margin-right:6px;color:rgba(255,255,255,.5);}
.footer-bottom{
  margin-top:36px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .layout-split{grid-template-columns:252px minmax(0,1fr);gap:24px;}
}
@media (max-width:991.98px){
  .cat-hero{padding:44px 32px 40px;}
  .layout-split{grid-template-columns:1fr;}
  .side-sticky{position:static;gap:14px;}
  .anchor-card{padding:16px;}
  .anchor-list{flex-direction:row;gap:8px;overflow-x:auto;scrollbar-width:none;padding-bottom:4px;}
  .anchor-list::-webkit-scrollbar{display:none;}
  .anchor-link{white-space:nowrap;padding:8px 14px;border-radius:999px;background:var(--bg);}
  .anchor-link::before{display:none;}
  .side-figure{display:none;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  body{font-size:15px;line-height:1.7;}
  html{scroll-padding-top:80px;}
  .header-inner{min-height:64px;gap:12px;}
  .brand-sub{display:none;}
  .brand-text{font-size:15.5px;}
  .header-cta .btn-brand{padding:9px 16px;font-size:13.5px;box-shadow:none;}
  .cat-hero{margin-top:16px;padding:34px 22px 32px;border-radius:22px;}
  .hero-lead{font-size:15.5px;}
  .hero-stats{gap:10px;}
  .stat{flex:1 1 132px;min-width:0;padding:10px 14px;}
  .stat-num{font-size:22px;}
  .intro-note{padding:18px 18px 18px 24px;}
  .cat-body{padding:44px 0 8px;}
  .group-card{padding:22px 18px;}
  .group-title{font-size:18px;}
  .faq-section{padding:48px 0;}
  .cta-band{padding:8px 0 56px;}
  .cta-inner{padding:32px 22px;border-radius:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-brand,.cta-actions .btn-white,.cta-actions .btn-outline-light{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:575.98px){
  .hero-actions .btn-brand,.hero-actions .btn-outline-light{flex:1 1 100%;}
  .point-list li{padding:12px 13px;}
  .chip{padding:8px 13px;font-size:13.5px;}
}