/* roulang page: index */
:root{
  --brand-900:#176E60;
  --brand:#1F8C79;
  --brand-300:#3FB39C;
  --brand-050:#E8F0EC;
  --accent:#F08A2C;
  --accent-200:#FFC46B;
  --bg:#F4F8F6;
  --surface:#FFFFFF;
  --surface-2:#E8F0EC;
  --text:#0F1F1C;
  --text-2:#41524E;
  --text-3:#7B8C87;
  --line:#DCE7E2;
  --dark:#0E1B18;
  --grad:linear-gradient(135deg,#1F8C79 0%,#46C7A6 100%);
  --grad-warm:linear-gradient(135deg,#FFB45C 0%,#F07A3C 100%);
  --radius:24px;
  --radius-lg:32px;
  --radius-sm:12px;
  --shadow-1:0 2px 6px rgba(15,31,28,.05);
  --shadow-2:0 18px 40px rgba(31,140,121,.16);
  --shadow-3:0 10px 28px rgba(15,31,28,.08);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-900);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{font-weight:700;color:var(--text);line-height:1.3;margin:0}
h1{font-size:clamp(30px,4.2vw,52px);font-weight:800;letter-spacing:-.5px}
h2{font-size:clamp(24px,2.6vw,36px);font-weight:800}
h3{font-size:20px}
h4{font-size:17px}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto}
@media(min-width:1400px){.container{max-width:1280px}}

/* ---------- 顶部倒计时条 ---------- */
.topbar{
  background:var(--grad-dark,linear-gradient(135deg,#176E60 0%,#1F8C79 55%,#46C7A6 100%));
  color:#fff;
  min-height:48px;
  display:flex;
  align-items:center;
  font-size:14px;
}
.topbar .container{display:flex;align-items:center;gap:16px;width:100%}
.topbar-label{display:flex;align-items:center;gap:8px;font-weight:600;white-space:nowrap}
.topbar-label .dot{width:8px;height:8px;border-radius:50%;background:var(--accent-200);box-shadow:0 0 0 4px rgba(255,255,255,.18)}
.countdown{display:flex;align-items:center;gap:6px;margin-left:auto}
.cd-unit{
  background:rgba(255,255,255,.22);
  border-radius:8px;
  min-width:38px;
  padding:2px 8px;
  text-align:center;
  color:#fff;
  font-weight:700;
}
.cd-sep{opacity:.75;font-weight:700}
.topbar-cta{
  border:1px solid rgba(255,255,255,.65);
  color:#fff;
  border-radius:999px;
  padding:4px 16px;
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  transition:all .25s var(--ease);
}
.topbar-cta:hover{background:#fff;color:var(--brand-900);border-color:#fff}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 10px rgba(15,31,28,.04);
}
.nav-wrap{display:flex;align-items:center;gap:24px;min-height:76px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:44px;height:44px;border-radius:14px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-1);
  flex-shrink:0;
}
.brand-mark svg{width:24px;height:24px;stroke:#fff}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text .b1{font-size:18px;font-weight:800;color:var(--text);letter-spacing:.5px}
.brand-text .b2{font-size:12px;color:var(--text-3);letter-spacing:2px}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  border-radius:10px;
  transition:all .22s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--grad);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .25s var(--ease);
}
.nav-links a:hover{color:var(--brand-900);transform:translateY(-1px)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand-900)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:999px;font-weight:600;cursor:pointer;
  padding:11px 24px;font-size:15px;line-height:1;
  transition:all .24s var(--ease);
}
.btn:focus-visible{outline:3px solid rgba(63,179,156,.5);outline-offset:2px}
.btn-brand{background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(31,140,121,.28)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(31,140,121,.32)}
.btn-brand:active{transform:translateY(0)}
.btn-outline{background:transparent;border:1.5px solid var(--line);color:var(--text-2)}
.btn-outline:hover{border-color:var(--brand-300);color:var(--brand-900);background:#fff}
.btn-ghost-light{border:1.5px solid rgba(255,255,255,.7);color:#fff;background:rgba(255,255,255,.08)}
.btn-ghost-light:hover{background:#fff;color:var(--brand-900);border-color:#fff}
.btn-lg{padding:14px 30px;font-size:16px}
.btn-block{width:100%}
.nav-cta{padding:12px 22px;font-size:14px}
.nav-ghost{padding:11px 18px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1.5px solid var(--line);
  background:#fff;align-items:center;justify-content:center;margin-left:auto;
}
.nav-toggle svg{width:22px;height:22px;stroke:var(--text)}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:12px 0 20px}
.mobile-panel a{
  display:block;padding:12px 4px;font-weight:600;color:var(--text-2);
  border-bottom:1px dashed var(--line);
}
.mobile-panel a:last-child{border-bottom:0}
.mobile-panel a.active{color:var(--brand-900)}
@media(max-width:991.98px){
  .nav-links,.nav-actions .btn-outline{display:none}
  .nav-toggle{display:flex}
  .nav-cta{padding:10px 16px;font-size:13px}
  .mobile-panel.open{display:block}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background-image:linear-gradient(115deg,rgba(9,26,23,.94) 0%,rgba(23,110,96,.86) 52%,rgba(31,140,121,.72) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:84px 0 96px;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,196,107,.35) 0%,rgba(255,196,107,0) 68%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1{color:#fff;margin-bottom:22px}
.hero h1 .hl{
  background:linear-gradient(90deg,#8FF0D2 0%,#FFC46B 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:18px;line-height:1.85;color:rgba(255,255,255,.86);max-width:580px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.stat-chips{display:flex;flex-wrap:wrap;gap:12px}
.stat-chip{
  background:rgba(255,255,255,.95);color:var(--text);
  border:1px solid rgba(255,255,255,.9);
  border-radius:999px;padding:8px 18px;font-size:14px;
  box-shadow:0 6px 16px rgba(9,26,23,.16);
  display:flex;align-items:center;gap:8px;
}
.stat-chip b{color:var(--brand-900);font-size:15px}
.hero-card{
  background:#fff;border-radius:var(--radius-lg);padding:30px;
  box-shadow:0 26px 60px rgba(6,20,17,.32);
  color:var(--text);
  transform:translateY(0);
  transition:transform .35s var(--ease);
}
.hero-card:hover{transform:translateY(-6px)}
.hero-card h2{font-size:22px;margin-bottom:6px}
.hero-card .hc-sub{font-size:14px;color:var(--text-3);margin-bottom:20px}
.status-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--text-2);
}
.status-list li:last-child{border-bottom:0}
.status-ok{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  color:var(--brand-900);background:var(--brand-050);border-radius:999px;padding:3px 12px;
}
.status-ok i{width:7px;height:7px;border-radius:50%;background:var(--brand-300);display:inline-block}
.hero-card .btn{margin-top:22px}
@media(max-width:991.98px){
  .hero{padding:56px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-card{transform:none}
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section.tight{padding-top:0}
.section-alt{background:var(--surface-2)}
.section-head{max-width:720px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1.5px;
  color:var(--brand-900);background:var(--brand-050);
  border-radius:999px;padding:6px 16px;margin-bottom:16px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--brand-300);display:inline-block}
.section-head p{color:var(--text-2);font-size:16px;margin-top:14px}

/* ---------- 卖点：一大三小 ---------- */
.feature-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:24px}
.feature-card{
  background:var(--surface);border-radius:var(--radius);padding:30px;
  box-shadow:var(--shadow-1);border:1px solid rgba(220,231,226,.8);
  transition:all .28s var(--ease);display:flex;flex-direction:column;
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2);border-color:rgba(63,179,156,.4)}
.feature-main{grid-row:span 2;background:linear-gradient(160deg,#fff 0%,#F0F8F5 100%)}
.icon-block{
  width:52px;height:52px;border-radius:16px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;flex-shrink:0;
}
.icon-block svg{width:24px;height:24px;stroke:#fff}
.icon-warm{background:var(--grad-warm)}
.feature-card h3{margin-bottom:10px}
.feature-card p{color:var(--text-2);font-size:15px;line-height:1.8}
.feature-card .tag-row{margin-top:auto;padding-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.tag{
  font-size:13px;color:var(--brand-900);background:var(--brand-050);
  border-radius:999px;padding:4px 12px;font-weight:600;
}
.tag-warm{color:#A6551A;background:#FFF1DE}
.feature-main ul{margin-top:18px}
.feature-main ul li{
  position:relative;padding-left:24px;margin-bottom:10px;font-size:15px;color:var(--text-2);
}
.feature-main ul li::before{
  content:"";position:absolute;left:0;top:11px;width:10px;height:10px;border-radius:3px;background:var(--grad);
}
@media(max-width:991.98px){
  .feature-grid{grid-template-columns:1fr 1fr}
  .feature-main{grid-column:span 2;grid-row:auto}
}
@media(max-width:767.98px){.feature-grid{grid-template-columns:1fr}.feature-main{grid-column:span 1}}

/* ---------- Bento 亮点图墙 ---------- */
.bento{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:200px;gap:20px}
.bento-item{
  position:relative;border-radius:var(--radius);overflow:hidden;background:#DFEAE5;
  box-shadow:var(--shadow-1);
}
.bento-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.bento-item:hover img{transform:scale(1.03)}
.bento-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(9,26,23,0) 38%,rgba(9,26,23,.78) 100%);
  opacity:.92;transition:opacity .35s var(--ease);
}
.bento-item:hover::after{opacity:1}
.bento-cap{position:absolute;left:22px;right:22px;bottom:20px;z-index:2;color:#fff}
.bento-cap h3{color:#fff;font-size:18px;margin-bottom:6px}
.bento-cap p{font-size:13.5px;color:rgba(255,255,255,.82);margin:0}
.bento-a{grid-column:span 2;grid-row:span 2}
.bento-b{grid-column:span 1;grid-row:span 1}
.bento-c{grid-column:span 1;grid-row:span 2}
.bento-d{grid-column:span 1;grid-row:span 1}
.bento-e{grid-column:span 2;grid-row:span 1}
.badge-float{
  position:absolute;top:18px;left:18px;z-index:2;
  background:rgba(255,255,255,.94);color:var(--brand-900);
  font-size:13px;font-weight:700;border-radius:999px;padding:5px 14px;
}
.badge-warm{background:var(--grad-warm);color:#fff}
@media(max-width:991.98px){
  .bento{grid-template-columns:repeat(2,1fr);grid-auto-rows:180px}
  .bento-a{grid-column:span 2;grid-row:span 1}
  .bento-c{grid-column:span 1;grid-row:span 1}
  .bento-e{grid-column:span 2;grid-row:span 1}
}
@media(max-width:575.98px){
  .bento{grid-template-columns:1fr;grid-auto-rows:200px}
  .bento-a,.bento-b,.bento-c,.bento-d,.bento-e{grid-column:span 1;grid-row:span 1}
}

/* ---------- 通栏 CTA + 表单 ---------- */
.cta-band{
  background:var(--grad);border-radius:var(--radius-lg);
  padding:48px;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;
  color:#fff;box-shadow:0 24px 56px rgba(31,140,121,.24);
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:-80px;bottom:-140px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22) 0%,rgba(255,255,255,0) 70%);
}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band .cta-lead{color:rgba(255,255,255,.88);font-size:16px;margin-bottom:26px}
.cta-points li{
  display:flex;align-items:flex-start;gap:10px;margin-bottom:14px;font-size:15px;color:rgba(255,255,255,.92);
}
.cta-points svg{width:20px;height:20px;stroke:#fff;flex-shrink:0;margin-top:4px}
.form-card{
  background:#fff;border-radius:var(--radius-lg);padding:32px;
  box-shadow:0 18px 44px rgba(9,26,23,.22);position:relative;z-index:2;color:var(--text);
}
.form-card h3{margin-bottom:6px}
.form-card .fc-sub{font-size:14px;color:var(--text-3);margin-bottom:22px}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-size:14px;font-weight:600;color:var(--text-2);margin-bottom:8px}
.form-field .form-control,.form-field .form-select{
  height:44px;border-radius:var(--radius-sm);border:1.5px solid var(--line);
  font-size:15px;color:var(--text);background:#FBFDFC;padding:0 14px;box-shadow:none;
}
.form-field textarea.form-control{height:auto;min-height:88px;padding:12px 14px;resize:vertical}
.form-field .form-control:focus,.form-field .form-select:focus{
  border-color:var(--brand-300);background:#fff;
  box-shadow:0 0 0 4px rgba(63,179,156,.18);
}
.form-note{font-size:13px;color:var(--text-3);margin-top:14px;text-align:center}
.form-status{display:none;margin-top:14px;border-radius:var(--radius-sm);padding:10px 14px;font-size:14px}
.form-status.ok{display:block;background:var(--brand-050);color:var(--brand-900);border:1px solid rgba(63,179,156,.4)}
.form-status.err{display:block;background:#FDECE6;color:#B4501F;border:1px solid rgba(240,138,44,.4)}
@media(max-width:991.98px){
  .cta-band{grid-template-columns:1fr;padding:34px 24px;gap:30px}
}

/* ---------- FAQ ---------- */
.faq-wrap{background:#fff;border-radius:var(--radius-lg);padding:12px 32px;box-shadow:var(--shadow-1);border:1px solid rgba(220,231,226,.9)}
.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.accordion-item:last-child{border-bottom:0}
.accordion-button{
  background:transparent;box-shadow:none;color:var(--text);
  font-size:17px;font-weight:600;padding:22px 8px 22px 14px;border-radius:0;
  display:flex;align-items:center;gap:12px;
}
.accordion-button:not(.collapsed){
  color:var(--brand-900);background:linear-gradient(90deg,var(--brand-050) 0%,rgba(232,240,236,0) 92%);
  box-shadow:none;border-left:4px solid var(--brand);
  padding-left:14px;
}
.accordion-button:focus{border-color:transparent;box-shadow:none;outline:none}
.accordion-button::after{
  width:20px;height:20px;background-size:20px;background-position:center;margin-left:auto;flex-shrink:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23176E60' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  transition:transform .3s var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(135deg)}
.accordion-body{padding:4px 14px 24px;color:var(--text-2);font-size:15.5px;line-height:1.9}

/* ---------- 资讯列表 ---------- */
.news-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;
  border:1px solid rgba(220,231,226,.9);box-shadow:var(--shadow-1);
  height:100%;display:flex;flex-direction:column;
  transition:all .28s var(--ease);
}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.news-thumb{display:block;position:relative;aspect-ratio:16/9;overflow:hidden;background:#DFEAE5}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.news-cat{
  display:inline-flex;align-self:flex-start;font-size:13px;font-weight:700;
  color:var(--brand-900);background:var(--brand-050);border-radius:999px;padding:4px 12px;margin-bottom:14px;
}
.news-title{
  font-size:17px;font-weight:700;line-height:1.55;margin-bottom:10px;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--brand-900)}
.news-sum{
  font-size:14.5px;color:var(--text-2);line-height:1.75;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--text-3);
}
.news-meta .arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand-900);font-weight:600}
.news-meta .arrow svg{width:16px;height:16px;stroke:var(--brand-900);transition:transform .25s var(--ease)}
.news-card:hover .news-meta .arrow svg{transform:translateX(4px)}
.empty-state{
  border:2px dashed var(--line);border-radius:var(--radius);
  padding:56px 24px;text-align:center;background:rgba(255,255,255,.6);
}
.empty-state svg{width:40px;height:40px;stroke:var(--brand-300);margin:0 auto 16px}
.empty-state p{color:var(--text-2);margin-bottom:18px}

/* ---------- 数据徽章带 ---------- */
.metrics{
  background:var(--dark);color:#fff;border-radius:var(--radius-lg);
  padding:44px 32px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.metric{text-align:center;padding:8px 12px;border-right:1px solid rgba(255,255,255,.12)}
.metric:last-child{border-right:0}
.metric b{display:block;font-size:34px;font-weight:800;color:#8FF0D2;line-height:1.2}
.metric span{font-size:14px;color:rgba(255,255,255,.72)}
@media(max-width:767.98px){
  .metrics{grid-template-columns:repeat(2,1fr);padding:30px 18px}
  .metric{border-right:0;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:18px}
  .metric:nth-last-child(-n+2){border-bottom:0;padding-bottom:8px}
}
@media(max-width:575.98px){
  .metrics{grid-template-columns:1fr}
  .metric{border-bottom:1px solid rgba(255,255,255,.12)}
  .metric:last-child{border-bottom:0}
  .section{padding:48px 0}
  .faq-wrap{padding:8px 18px}
  .hero-actions .btn{width:100%}
  .stat-chips{overflow-x:auto;flex-wrap:nowrap;padding-bottom:6px}
  .stat-chip{white-space:nowrap}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:88px;padding-top:6px}
.footer-line{height:3px;background:var(--grad);border-radius:3px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 44px}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px;font-weight:700}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{width:42px;height:42px;border-radius:13px}
.footer-brand .b1{color:#fff;font-size:17px}
.footer-brand .b2{color:rgba(255,255,255,.55);font-size:12px;letter-spacing:2px}
.site-footer p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.66)}
.footer-links li{margin-bottom:12px}
.footer-links a{
  color:rgba(255,255,255,.72);font-size:14.5px;position:relative;
  padding-bottom:2px;transition:color .22s var(--ease);
}
.footer-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:1.5px;width:0;background:var(--brand-300);
  transition:width .25s var(--ease);
}
.footer-links a:hover{color:#fff}
.footer-links a:hover::after{width:100%}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;margin-bottom:14px;color:rgba(255,255,255,.72)}
.footer-contact svg{width:18px;height:18px;stroke:var(--brand-300);flex-shrink:0;margin-top:5px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.5px;
  color:rgba(255,255,255,.5);
}
@media(max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}
}
@media(max-width:575.98px){
  .footer-grid{grid-template-columns:1fr}
  .site-footer{margin-top:56px}
  .footer-bottom{flex-direction:column;gap:6px}
}

/* roulang page: article */
:root{
  --c-deep:#176E60;
  --c-main:#1F8C79;
  --c-light:#3FB39C;
  --c-accent:#F08A2C;
  --c-accent-l:#FFC46B;
  --grad-main:linear-gradient(135deg,#1F8C79 0%,#46C7A6 100%);
  --grad-warm:linear-gradient(135deg,#FFB45C 0%,#F07A3C 100%);
  --bg:#F4F8F6;
  --card:#FFFFFF;
  --bg-soft:#E8F0EC;
  --text:#0F1F1C;
  --text-2:#41524E;
  --text-3:#7B8C87;
  --border:#DCE7E2;
  --dark:#0E1B18;
  --r-sm:12px;
  --r-card:24px;
  --r-big:32px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(15,31,28,.05);
  --sh-2:0 18px 40px rgba(31,140,121,.16);
  --sh-3:0 10px 28px rgba(15,31,28,.08);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --bs-body-font-family:var(--font);
  --bs-body-color:#0F1F1C;
  --bs-body-bg:#F4F8F6;
  --bs-border-color:#DCE7E2;
  --bs-link-color:#176E60;
  --bs-link-hover-color:#1F8C79;
  --bs-primary:#1F8C79;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-deep);text-decoration:none;transition:color .25s ease,transform .25s ease,box-shadow .25s ease,border-color .25s ease}
a:hover{color:var(--c-main)}
h1,h2,h3,h4,h5{color:var(--text);font-weight:700;line-height:1.35;margin:0}
p{margin:0 0 1em}
ul,ol{padding-left:1.2em}
button,input,textarea,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--c-main);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1400px){.container{max-width:1280px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:78px}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{
  width:44px;height:44px;border-radius:14px;
  background:var(--grad-main);
  display:grid;place-items:center;
  box-shadow:0 8px 18px rgba(31,140,121,.26);
}
.logo-mark svg{width:24px;height:24px}
.logo-text{display:flex;flex-direction:column;line-height:1.16}
.logo-text .l1{font-size:17px;font-weight:800;color:var(--text);letter-spacing:.5px}
.logo-text .l2{font-size:11.5px;font-weight:600;color:var(--text-3);letter-spacing:2px}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  position:relative;padding:9px 13px;font-size:15px;font-weight:600;color:var(--text-2);border-radius:10px;
}
.nav-links a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
  background:var(--grad-main);transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.nav-links a:hover{color:var(--c-deep);transform:translateY(-1px)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--c-deep)}
.nav-links a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border:0;border-radius:var(--r-pill);
  background:var(--grad-main);color:#fff;font-size:15px;font-weight:700;letter-spacing:.3px;
  box-shadow:0 10px 22px rgba(31,140,121,.24);cursor:pointer;
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(31,140,121,.32)}
.btn-main:active{transform:translateY(0)}
.btn-main svg,.btn-ghost svg{width:18px;height:18px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-pill);
  background:#fff;border:1.5px solid var(--border);color:var(--text-2);
  font-size:15px;font-weight:600;cursor:pointer;
}
.btn-ghost:hover{color:var(--c-deep);border-color:var(--c-main);transform:translateY(-2px);box-shadow:var(--sh-3)}
.menu-toggle{
  width:44px;height:44px;border-radius:12px;border:1.5px solid var(--border);
  background:#fff;display:grid;place-items:center;cursor:pointer;
}
.menu-toggle svg{width:22px;height:22px;stroke:var(--text-2);fill:none;stroke-width:1.7;stroke-linecap:round}
.menu-toggle:hover{border-color:var(--c-main)}

/* 移动端抽屉 */
.mobile-drawer{border:0;background:#fff;width:min(88vw,340px)}
.mobile-drawer .offcanvas-header{border-bottom:1px solid var(--border);padding:18px 20px}
.drawer-title{font-size:15px;font-weight:700;color:var(--text)}
.mobile-drawer .btn-close{opacity:.55;filter:grayscale(1)}
.mobile-drawer .btn-close:hover{opacity:1}
.mobile-drawer .offcanvas-body{padding:18px 20px 28px}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  padding:12px 14px;border-radius:12px;font-size:15px;font-weight:600;color:var(--text-2);
  background:transparent;
}
.drawer-nav a:hover{background:var(--bg-soft);color:var(--c-deep)}
.drawer-nav a.active{background:var(--bg-soft);color:var(--c-deep)}
.drawer-note{margin:16px 0 0;font-size:13.5px;line-height:1.7;color:var(--text-3)}

/* ---------- 主体 ---------- */
.page-main{padding:28px 0 8px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:22px}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--c-main)}
.crumb .sep{color:#B7C6C1}
.crumb .cur{color:var(--c-deep);font-weight:600}

.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start;
  padding-bottom:40px;
}
.article-main{max-width:820px;min-width:0}

.article-head{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-big);
  padding:34px 36px 30px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
}
.article-head::before{
  content:"";position:absolute;right:-60px;top:-70px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(70,199,166,.22),rgba(70,199,166,0) 70%);
}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1px;color:var(--c-deep);
  background:var(--bg-soft);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:18px;
}
.article-head h1{
  font-size:clamp(24px,3.2vw,38px);font-weight:800;line-height:1.35;letter-spacing:.2px;
  margin:0 0 18px;color:var(--text);
}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;margin-bottom:20px}
.meta-item{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13.5px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.meta-item svg{width:16px;height:16px;stroke:var(--c-light);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.share-row{display:flex;flex-wrap:wrap;gap:10px;padding-top:20px;border-top:1px dashed var(--border)}
.share-btn{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--bg-soft);border:1px solid transparent;color:var(--c-deep);
  font-size:14px;font-weight:600;cursor:pointer;
}
.share-btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.share-btn:hover{background:#fff;border-color:var(--c-light);color:var(--c-deep);transform:translateY(-2px);box-shadow:var(--sh-1)}

/* 正文排版 */
.article-body{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-big);
  padding:36px;margin-top:24px;box-shadow:var(--sh-1);
  font-size:17px;line-height:1.9;color:var(--text-2);word-break:break-word;
}
.article-body > :first-child{margin-top:0}
.article-body > :last-child{margin-bottom:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:clamp(21px,2.2vw,26px);font-weight:800;color:var(--text);
  margin:1.9em 0 .8em;padding-left:16px;line-height:1.45;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--grad-main);
}
.article-body h3{font-size:20px;font-weight:700;color:var(--text);margin:1.6em 0 .6em}
.article-body h4{font-size:17px;font-weight:700;color:var(--text);margin:1.4em 0 .5em}
.article-body a{color:var(--c-deep);border-bottom:1px solid rgba(31,140,121,.35)}
.article-body a:hover{color:var(--c-main);border-bottom-color:var(--c-main)}
.article-body strong{color:var(--text);font-weight:700}
.article-body img{border-radius:16px;margin:1.5em auto;max-width:100%;height:auto}
.article-body figure{margin:1.5em 0}
.article-body figure img{margin:0 auto}
.article-body figcaption{font-size:13.5px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body blockquote{
  margin:1.5em 0;padding:18px 22px;background:var(--bg-soft);
  border-left:4px solid var(--c-main);border-radius:12px;color:var(--text);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.5em}
.article-body li{margin:.45em 0}
.article-body hr{border:0;border-top:1px dashed var(--border);margin:2em 0}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:1.5em 0;font-size:15px;
  display:block;overflow-x:auto;border:1px solid var(--border);border-radius:12px;background:#fff;
}
.article-body thead{background:var(--bg-soft)}
.article-body th,.article-body td{
  border-bottom:1px solid var(--border);border-right:1px solid var(--border);
  padding:10px 14px;text-align:left;white-space:nowrap;
}
.article-body tr:last-child td{border-bottom:0}
.article-body th:last-child,.article-body td:last-child{border-right:0}
.article-body code{
  background:var(--bg-soft);color:var(--c-deep);padding:2px 7px;border-radius:6px;font-size:.92em;
}

/* 空态 */
.empty-state{
  border:1.5px dashed #C7D8D2;border-radius:var(--r-card);background:var(--bg);
  padding:56px 28px;text-align:center;
}
.empty-state svg{width:52px;height:52px;stroke:var(--c-light);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;margin:0 auto 18px}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{max-width:520px;margin:0 auto 22px;color:var(--text-3);font-size:15px}

/* 标签 */
.tag-block{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:22px 26px;margin-top:24px;box-shadow:var(--sh-1);
}
.tag-title{display:block;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--text-3);margin-bottom:12px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 15px;border-radius:var(--r-pill);font-size:13.5px;font-weight:600;
  background:var(--bg-soft);color:var(--c-deep);border:1px solid transparent;
}
.tag-accent{background:var(--grad-warm);color:#fff}

/* 继续浏览 */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}
.post-nav-card{
  display:block;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh-1);color:var(--text-2);
}
.post-nav-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:transparent;color:var(--text-2)}
.pn-label{font-size:12.5px;font-weight:700;letter-spacing:1px;color:var(--c-main)}
.post-nav-card h3{font-size:18px;margin:8px 0 8px}
.post-nav-card p{font-size:14.5px;color:var(--text-3);margin:0 0 14px;line-height:1.75}
.pn-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--c-deep)}
.pn-arrow svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* 相关栏目 */
.rec-section{margin-top:44px}
.section-head{margin-bottom:24px}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:2px;color:var(--c-main);
  background:var(--bg-soft);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:12px;
}
.section-head h2{font-size:clamp(21px,2.4vw,28px);font-weight:800;margin-bottom:8px}
.section-head p{color:var(--text-3);font-size:15px;margin:0;max-width:640px}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rec-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);color:var(--text-2);
}
.rec-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:transparent;color:var(--text-2)}
.rec-thumb{aspect-ratio:16/9;overflow:hidden;background:#E8F0EC}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.05)}
.rec-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-tag{
  align-self:flex-start;font-size:12px;font-weight:700;color:var(--c-deep);
  background:var(--bg-soft);border-radius:var(--r-pill);padding:4px 12px;
}
.rec-body h3{font-size:17px;line-height:1.5;margin:0}
.rec-card:hover .rec-body h3{color:var(--c-deep)}
.rec-body p{font-size:14px;color:var(--text-3);margin:0;line-height:1.75}
.rec-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:13px;color:var(--text-3)}
.rec-meta svg{width:16px;height:16px;stroke:var(--c-main);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.back-row{margin-top:34px}

/* 侧栏 */
.side-col{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:17px;margin-bottom:12px}
.side-card p{font-size:14.5px;color:var(--text-3);line-height:1.8;margin:0 0 16px}
.side-cta{background:var(--grad-main);border-color:transparent;box-shadow:0 18px 36px rgba(31,140,121,.24)}
.side-cta h3{color:#fff}
.side-cta p{color:rgba(255,255,255,.88)}
.side-cta .btn-main{background:#fff;color:var(--c-deep);box-shadow:0 10px 20px rgba(14,27,24,.18)}
.side-cta .btn-main:hover{color:var(--c-deep);box-shadow:0 16px 28px rgba(14,27,24,.24)}
.side-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:12px;font-size:14.5px;font-weight:600;color:var(--text-2);
}
.side-list a::after{content:"›";color:var(--c-light);font-size:17px;line-height:1}
.side-list a:hover{background:var(--bg-soft);color:var(--c-deep)}
.side-note{margin:0;font-size:14px;color:var(--text-3);line-height:1.8}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#A9BAB5;margin-top:72px;padding-bottom:30px}
.footer-line{height:3px;background:var(--grad-main)}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:40px;padding:56px 0 40px}
.site-footer h4{font-size:16px;color:#fff;margin-bottom:16px;font-weight:700}
.site-footer p{font-size:14.5px;line-height:1.9;color:#9FB2AC;margin:16px 0 0}
.footer-brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:42px;height:42px;border-radius:13px;background:var(--grad-main);
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-mark svg{width:23px;height:23px}
.brand-text{display:flex;flex-direction:column;line-height:1.16}
.brand-text .b1{font-size:16px;font-weight:800;color:#fff;letter-spacing:.5px}
.brand-text .b2{font-size:11.5px;font-weight:600;color:#7F948E;letter-spacing:2px}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:11px}
.footer-links a{position:relative;font-size:14.5px;color:#A9BAB5}
.footer-links a::after{
  content:"";position:absolute;left:0;bottom:-3px;width:100%;height:1px;background:var(--c-light);
  transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.footer-links a:hover{color:#fff}
.footer-links a:hover::after{transform:scaleX(1)}
.footer-contact{list-style:none;padding:0;margin:0}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.75;margin-bottom:14px;color:#A9BAB5}
.footer-contact svg{width:18px;height:18px;flex:0 0 auto;margin-top:4px;stroke:var(--c-light);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.09);padding-top:22px;font-size:13.5px;color:#7F948E;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .article-main{max-width:100%}
  .side-col{position:static}
  .side-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .side-cta{grid-column:1 / -1}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .header-inner{min-height:70px;gap:14px}
  .logo-text .l1{font-size:16px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-head{padding:28px 26px 24px}
  .article-body{padding:28px 24px}
}
@media (max-width:767.98px){
  .page-main{padding:20px 0 0}
  .header-actions .btn-ghost{display:none !important}
  .btn-main{height:42px;padding:0 16px;font-size:14.5px}
  .article-body{font-size:16px;line-height:1.88}
  .post-nav{grid-template-columns:1fr}
  .rec-grid{grid-template-columns:1fr}
  .side-col{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:40px 0 28px}
  .article-head h1{font-size:23px}
  .share-row{padding-top:16px}
  .share-btn{flex:1 1 auto;justify-content:center}
  .back-row .btn-ghost{width:100%}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .logo-text .l2{letter-spacing:1.4px}
  .article-head{padding:24px 20px}
  .article-body{padding:22px 18px;border-radius:20px}
  .article-head{border-radius:24px}
  .tag-block{padding:20px}
  .empty-state{padding:40px 20px}
}

/* roulang page: category1 */
:root{
  --brand-900:#0E1B18;
  --brand-700:#176E60;
  --brand-500:#1F8C79;
  --brand-300:#3FB39C;
  --accent:#F08A2C;
  --accent-200:#FFC46B;
  --bg:#F4F8F6;
  --card:#FFFFFF;
  --soft:#E8F0EC;
  --ink:#0F1F1C;
  --sub:#41524E;
  --muted:#7B8C87;
  --line:#DCE7E2;
  --grad:linear-gradient(135deg,#1F8C79 0%,#46C7A6 100%);
  --grad-warm:linear-gradient(135deg,#FFB45C 0%,#F07A3C 100%);
  --shadow-1:0 2px 6px rgba(15,31,28,.05);
  --shadow-2:0 18px 40px rgba(31,140,121,.16);
  --shadow-3:0 10px 28px rgba(15,31,28,.08);
  --r-sm:12px;
  --r-md:24px;
  --r-lg:32px;
  --r-pill:999px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease;}
a:hover{color:var(--brand-500);}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(31,140,121,.35);outline-offset:2px;border-radius:6px;}
.num,.stat-value,.step-idx,.point-num{font-variant-numeric:tabular-nums;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1400px){
  .container{max-width:1280px;}
}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:76px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:var(--ink);
  flex:0 0 auto;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:44px;
  height:44px;
  border-radius:14px;
  background:var(--grad);
  display:grid;
  place-items:center;
  box-shadow:0 8px 18px rgba(31,140,121,.26);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text .b1{font-weight:800;font-size:17px;letter-spacing:.5px;}
.brand-text .b2{font-size:12px;letter-spacing:2px;color:var(--muted);font-weight:500;}

.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  padding:9px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:500;
  color:var(--sub);
  white-space:nowrap;
  transition:color .2s ease,background-color .2s ease,transform .2s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .25s ease;
}
.nav-links a:hover{
  color:var(--brand-700);
  background:rgba(31,140,121,.07);
  transform:translateY(-1px);
}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{
  color:var(--brand-700);
  background:rgba(31,140,121,.10);
  font-weight:600;
}
.nav-links a.active::after{transform:scaleX(1);}

.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.menu-btn{
  width:44px;
  height:44px;
  border-radius:14px;
  border:1.5px solid var(--line);
  background:#fff;
  display:grid;
  place-items:center;
  cursor:pointer;
  transition:border-color .2s ease,background-color .2s ease;
}
.menu-btn:hover{border-color:var(--brand-300);background:var(--soft);}
.menu-btn svg{width:20px;height:20px;stroke:var(--brand-700);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-pill);
  font-weight:600;
  font-size:15px;
  line-height:1;
  padding:12px 24px;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn svg{width:18px;height:18px;flex:0 0 auto;}
.btn-grad{
  background:var(--grad);
  color:#fff;
  box-shadow:0 8px 20px rgba(31,140,121,.30);
}
.btn-grad:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 14px 28px rgba(31,140,121,.36);
}
.btn-grad:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.68);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.14);
  color:#fff;
  transform:translateY(-2px);
}
.btn-soft{
  background:var(--soft);
  color:var(--brand-700);
}
.btn-soft:hover{background:#DCEAE4;color:var(--brand-700);transform:translateY(-2px);}
.btn-line{
  background:#fff;
  color:var(--brand-700);
  border-color:var(--line);
}
.btn-line:hover{border-color:var(--brand-300);color:var(--brand-700);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:56px 0 68px;
  color:#fff;
}
.page-hero .hero-bg{
  position:absolute;
  inset:0;
  background-image:linear-gradient(135deg,rgba(11,26,23,.93) 0%,rgba(23,110,96,.86) 62%,rgba(31,140,121,.78) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
}
.page-hero .hero-glow{
  position:absolute;
  width:420px;
  height:420px;
  right:-120px;
  top:-140px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(70,199,166,.42),rgba(70,199,166,0) 68%);
  pointer-events:none;
}
.page-hero-inner{position:relative;z-index:2;}

.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.72);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:#fff;text-decoration:underline;}
.crumb .sep{opacity:.6;}
.crumb .cur{color:#7FE6C8;font-weight:600;}

.page-hero .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:1.4px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);
  color:#EAFBF5;
  border:1px solid rgba(255,255,255,.18);
}
.page-hero h1{
  font-size:clamp(30px,4vw,50px);
  font-weight:800;
  line-height:1.28;
  margin:20px 0 16px;
  letter-spacing:.5px;
  max-width:16em;
}
.page-hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#8FF3D6,#FFD79A);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.page-hero .lead{
  font-size:18px;
  line-height:1.8;
  color:rgba(255,255,255,.86);
  max-width:640px;
  margin:0 0 28px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px;}
.hero-stats{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.stat-badge{
  display:flex;
  align-items:baseline;
  gap:8px;
  padding:12px 18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.13);
  border:1px solid rgba(255,255,255,.24);
  backdrop-filter:blur(4px);
}
.stat-badge .stat-value{
  font-size:20px;
  font-weight:800;
  color:#fff;
  letter-spacing:.4px;
}
.stat-badge .stat-label{font-size:13.5px;color:rgba(255,255,255,.82);}

/* ---------- Sections ---------- */
.section{padding:88px 0;}
.section.soft{background:var(--soft);}
.section.tight{padding-top:64px;}
.section-head{max-width:740px;margin-bottom:48px;}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:1.4px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(31,140,121,.10);
  color:var(--brand-700);
}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  font-weight:800;
  line-height:1.35;
  margin:18px 0 12px;
}
.section-head p{
  margin:0;
  color:var(--sub);
  font-size:16.5px;
}

/* ---------- Alternating rows ---------- */
.alt-row{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:56px;
  align-items:center;
  padding:32px 0;
}
.alt-row + .alt-row{border-top:1px dashed var(--line);}
.alt-row.reverse .alt-media{order:2;}
.alt-row.reverse .alt-body{order:1;}
.alt-media{
  position:relative;
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--shadow-3);
  background:#DDE9E4;
}
.alt-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .55s ease;
}
.alt-row:hover .alt-media img{transform:scale(1.03);}
.alt-media .media-tag{
  position:absolute;
  left:16px;
  top:16px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(14,27,24,.72);
  color:#EAFBF5;
  font-size:13px;
  font-weight:600;
  letter-spacing:.6px;
}
.alt-body h3{
  font-size:24px;
  font-weight:800;
  line-height:1.45;
  margin:0 0 14px;
}
.alt-body p{
  color:var(--sub);
  margin:0 0 12px;
}
.check-list{list-style:none;padding:0;margin:18px 0 0;}
.check-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  padding:7px 0;
  color:var(--sub);
  font-size:15.5px;
}
.check-list li svg{
  width:20px;
  height:20px;
  flex:0 0 auto;
  margin-top:4px;
  stroke:var(--brand-500);
}

/* ---------- Point cards ---------- */
.point-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.point-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:28px 26px;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.point-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-2);
  border-color:rgba(63,179,156,.55);
}
.point-num{
  font-size:30px;
  font-weight:800;
  letter-spacing:1px;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  line-height:1;
  display:block;
  margin-bottom:16px;
}
.point-card h3{font-size:18px;font-weight:700;margin:0 0 10px;}
.point-card p{margin:0;color:var(--sub);font-size:15px;line-height:1.8;}

/* ---------- Steps ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
  position:relative;
}
.step{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 24px;
  box-shadow:var(--shadow-1);
  position:relative;
  transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow-3);}
.step-idx{
  width:40px;
  height:40px;
  border-radius:13px;
  background:var(--grad);
  color:#fff;
  display:grid;
  place-items:center;
  font-weight:800;
  font-size:16px;
  margin-bottom:16px;
  box-shadow:0 8px 16px rgba(31,140,121,.24);
}
.step h3{font-size:17px;font-weight:700;margin:0 0 8px;}
.step p{margin:0;color:var(--sub);font-size:14.5px;line-height:1.78;}

/* ---------- Notice cards ---------- */
.notice-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:26px;
}
.notice-card{
  background:var(--card);
  border-radius:var(--r-lg);
  padding:32px;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.notice-card h3{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:700;
  margin:0 0 18px;
}
.notice-card h3 .dot{
  width:32px;
  height:32px;
  border-radius:11px;
  display:grid;
  place-items:center;
  flex:0 0 auto;
}
.notice-card.do h3 .dot{background:rgba(31,140,121,.12);}
.notice-card.dont h3 .dot{background:rgba(240,138,44,.14);}
.notice-card h3 svg{width:17px;height:17px;}
.notice-card.do h3 svg{stroke:var(--brand-500);}
.notice-card.dont h3 svg{stroke:var(--accent);}
.notice-card ul{list-style:none;padding:0;margin:0;}
.notice-card li{
  position:relative;
  padding:11px 0 11px 20px;
  color:var(--sub);
  font-size:15.5px;
  border-bottom:1px dashed var(--line);
}
.notice-card li:last-child{border-bottom:0;}
.notice-card li::before{
  content:"";
  position:absolute;
  left:0;
  top:21px;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--brand-300);
}
.notice-card.dont li::before{background:var(--accent-200);}

/* ---------- FAQ ---------- */
.faq-wrap{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:10px 28px;
  box-shadow:var(--shadow-1);
}
.faq-wrap .accordion-item{
  border:0;
  border-bottom:1px solid var(--line);
  background:transparent;
}
.faq-wrap .accordion-item:last-child{border-bottom:0;}
.faq-wrap .accordion-button{
  background:transparent;
  box-shadow:none;
  color:var(--ink);
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  padding:24px 18px;
  border-radius:0;
}
.faq-wrap .accordion-button:not(.collapsed){
  color:var(--brand-700);
  background:rgba(31,140,121,.07);
  box-shadow:inset 4px 0 0 0 var(--brand-500);
}
.faq-wrap .accordion-button:focus{
  box-shadow:inset 4px 0 0 0 var(--brand-300);
  border-color:transparent;
}
.faq-wrap .accordion-button::after{
  width:1.15rem;
  height:1.15rem;
  background-size:1.15rem;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231F8C79' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  transition:transform .28s ease;
}
.faq-wrap .accordion-button:not(.collapsed)::after{
  transform:rotate(90deg);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231F8C79' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
}
.faq-wrap .accordion-body{
  padding:2px 18px 26px;
  color:var(--sub);
  font-size:15.5px;
  line-height:1.9;
}

/* ---------- CTA + form ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--grad);
  padding:52px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:start;
  color:#fff;
  box-shadow:0 26px 60px rgba(31,140,121,.28);
}
.cta-band::after{
  content:"";
  position:absolute;
  width:420px;
  height:420px;
  right:-140px;
  bottom:-200px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.24),rgba(255,255,255,0) 70%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:2;}
.cta-copy h2{
  font-size:clamp(24px,2.8vw,32px);
  font-weight:800;
  line-height:1.4;
  margin:0 0 14px;
}
.cta-copy p{color:rgba(255,255,255,.88);margin:0 0 22px;font-size:16.5px;}
.cta-points{list-style:none;padding:0;margin:0;}
.cta-points li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:7px 0;
  font-size:15.5px;
  color:rgba(255,255,255,.94);
}
.cta-points svg{width:20px;height:20px;flex:0 0 auto;margin-top:5px;stroke:#D6FBEF;}

.form-card{
  position:relative;
  z-index:2;
  background:#fff;
  border-radius:var(--r-lg);
  padding:30px;
  box-shadow:0 20px 44px rgba(14,27,24,.18);
  color:var(--ink);
}
.form-card h3{font-size:19px;font-weight:700;margin:0 0 6px;}
.form-card .form-hint{font-size:14px;color:var(--muted);margin:0 0 20px;}
.form-label{font-size:14.5px;font-weight:600;color:var(--sub);margin-bottom:6px;}
.form-control,.form-select{
  height:44px;
  border-radius:var(--r-sm);
  border:1.5px solid var(--line);
  font-size:15px;
  color:var(--ink);
  background-color:#FBFDFC;
  box-shadow:none;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.form-control::placeholder{color:#9FB0AB;}
.form-control:focus,.form-select:focus{
  border-color:var(--brand-500);
  background-color:#fff;
  box-shadow:0 0 0 4px rgba(31,140,121,.16);
}
textarea.form-control{height:auto;min-height:96px;resize:vertical;line-height:1.7;padding-top:12px;}
.form-note{font-size:13px;color:var(--muted);margin:12px 0 0;line-height:1.7;}
.form-status{margin-top:12px;font-size:14px;display:none;padding:10px 14px;border-radius:var(--r-sm);}
.form-status.ok{display:block;background:rgba(31,140,121,.10);color:var(--brand-700);border:1px solid rgba(31,140,121,.24);}
.form-status.err{display:block;background:rgba(240,138,44,.10);color:#B65C13;border:1px solid rgba(240,138,44,.28);}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--brand-900);
  color:#C9D8D3;
  margin-top:96px;
}
.footer-line{height:3px;background:var(--grad);}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:44px;
  padding:58px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:40px;height:40px;border-radius:13px;}
.site-footer .brand-text .b1{color:#fff;font-size:16px;}
.site-footer .brand-text .b2{color:#8FB3A9;font-size:11.5px;letter-spacing:1.8px;}
.site-footer p{font-size:14.5px;line-height:1.9;color:#A9BEB8;margin:0;}
.site-footer h4{color:#fff;font-size:16px;font-weight:700;margin:0 0 18px;}
.footer-links{list-style:none;padding:0;margin:0;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:#C9D8D3;font-size:15px;}
.footer-links a:hover{
  color:#fff;
  text-decoration:underline;
  text-decoration-color:var(--brand-300);
  text-underline-offset:4px;
}
.footer-contact{list-style:none;padding:0;margin:0;}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  margin-bottom:13px;
  font-size:15px;
  color:#C9D8D3;
}
.footer-contact svg{
  width:18px;
  height:18px;
  flex:0 0 auto;
  margin-top:5px;
  stroke:var(--brand-300);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0 26px;
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:#8FA8A1;
}

/* ---------- Offcanvas mobile nav ---------- */
.offcanvas.mobile-nav{background:var(--brand-900);color:#DCEAE4;width:320px;}
.mobile-nav .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.10);padding:18px 22px;}
.mobile-nav .offcanvas-title{font-size:16px;font-weight:700;color:#fff;}
.mobile-nav .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.75;}
.mobile-nav .offcanvas-body{padding:20px 22px 28px;}
.mobile-nav .mobile-links{list-style:none;padding:0;margin:0 0 22px;}
.mobile-nav .mobile-links li{margin-bottom:6px;}
.mobile-nav .mobile-links a{
  display:block;
  padding:12px 16px;
  border-radius:14px;
  color:#DCEAE4;
  font-size:15.5px;
  font-weight:500;
}
.mobile-nav .mobile-links a:hover,
.mobile-nav .mobile-links a.active{
  background:rgba(63,179,156,.20);
  color:#fff;
}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .alt-row{gap:40px;}
  .cta-band{padding:44px;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .header-inner{min-height:70px;}
  .section{padding:64px 0;}
  .alt-row{
    grid-template-columns:1fr;
    gap:26px;
    padding:26px 0;
  }
  .alt-row.reverse .alt-media{order:0;}
  .alt-row.reverse .alt-body{order:0;}
  .point-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .notice-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;gap:32px;padding:38px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;padding:46px 0 30px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  .page-hero{padding:40px 0 48px;}
  .page-hero .lead{font-size:16.5px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:10px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:32px;}
  .point-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .cta-band{padding:30px 22px;border-radius:24px;}
  .form-card{padding:24px 20px;border-radius:24px;}
  .faq-wrap{padding:6px 18px;}
  .faq-wrap .accordion-button{font-size:16px;padding:20px 14px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer{margin-top:64px;}
}
@media (max-width:575.98px){
  .page-hero .hero-glow{display:none;}
  .hero-stats{
    flex-wrap:nowrap;
    overflow-x:auto;
    padding-bottom:6px;
    -webkit-overflow-scrolling:touch;
  }
  .stat-badge{flex:0 0 auto;}
  .brand-text .b1{font-size:15.5px;}
  .brand-text .b2{font-size:11px;letter-spacing:1.4px;}
  .header-inner{gap:12px;}
  .header-actions .btn-grad{padding:10px 14px;font-size:13.5px;}
}

/* roulang page: category2 */
:root{
  --c-brand-900:#176E60;
  --c-brand-600:#1F8C79;
  --c-brand-400:#3FB39C;
  --c-accent:#F08A2C;
  --c-accent-l:#FFC46B;
  --grad-main:linear-gradient(135deg,#1F8C79 0%,#46C7A6 100%);
  --grad-warm:linear-gradient(135deg,#FFB45C 0%,#F07A3C 100%);
  --bg:#F4F8F6;
  --surface:#FFFFFF;
  --surface-alt:#E8F0EC;
  --dark:#0E1B18;
  --text:#0F1F1C;
  --text-2:#41524E;
  --text-3:#7B8C87;
  --line:#DCE7E2;
  --r-card:24px;
  --r-lg:32px;
  --r-btn:999px;
  --r-input:12px;
  --sh-1:0 2px 6px rgba(15,31,28,.05);
  --sh-2:0 18px 40px rgba(31,140,121,.16);
  --sh-3:0 10px 28px rgba(15,31,28,.08);
}
*,*::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",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:var(--c-brand-600);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--c-brand-900)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(63,179,156,.6);outline-offset:2px;border-radius:8px}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1400px){.container{max-width:1280px}}

/* ---------- 顶部状态条 ---------- */
.top-strip{background:var(--grad-main);color:#fff;font-size:14px}
.top-strip-inner{display:flex;align-items:center;gap:12px;min-height:46px;flex-wrap:wrap}
.strip-dot{width:8px;height:8px;border-radius:50%;background:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.24);flex:none}
.strip-text{font-weight:500;letter-spacing:.2px}
.strip-tag{margin-left:auto;border:1px solid rgba(255,255,255,.55);border-radius:var(--r-btn);padding:2px 14px;font-size:13px;white-space:nowrap}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:18px;min-height:76px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand-mark{width:44px;height:44px;border-radius:14px;background:var(--grad-main);display:grid;place-items:center;box-shadow:0 8px 20px rgba(31,140,121,.28)}
.brand-mark svg{width:24px;height:24px}
.brand-text{display:flex;flex-direction:column;line-height:1.16}
.brand-text .b1{font-size:17px;font-weight:800;letter-spacing:.5px;color:var(--text);font-variant-numeric:tabular-nums}
.brand-text .b2{font-size:12px;color:var(--text-3);letter-spacing:2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{position:relative;display:inline-block;padding:10px 14px;font-size:15px;font-weight:600;color:var(--text-2);border-radius:10px}
.nav-links a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--grad-main);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-links a:hover{color:var(--c-brand-900);transform:translateY(-1px)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--c-brand-900)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;font-weight:600;border-radius:var(--r-btn);text-align:center;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease}
.btn svg{width:18px;height:18px;flex:none}
.btn-grad{background:var(--grad-main);color:#fff;height:44px;padding:0 22px;font-size:15px;box-shadow:0 8px 20px rgba(31,140,121,.28)}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(31,140,121,.36)}
.btn-ghost{background:transparent;color:var(--c-brand-900);border:1.5px solid var(--line);height:44px;padding:0 20px;font-size:15px}
.btn-ghost:hover{border-color:var(--c-brand-400);background:#fff;color:var(--c-brand-900);transform:translateY(-2px)}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:14px;background:var(--surface-alt);border:1px solid var(--line);align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-brand-900);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-brand-900);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-mask{position:fixed;inset:0;background:rgba(14,27,24,.45);opacity:0;pointer-events:none;transition:opacity .3s ease;z-index:1035}
.nav-mask.is-open{opacity:1;pointer-events:auto}

/* ---------- 页头带 ---------- */
.page-hero{position:relative;overflow:hidden;padding:60px 0 70px;background:var(--dark) url("/assets/images/backpic/back-2.webp") center/cover no-repeat}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(118deg,rgba(14,27,24,.94) 0%,rgba(23,110,96,.88) 48%,rgba(31,140,121,.66) 100%)}
.page-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:#fff}
.crumb .crumb-current{color:var(--c-accent-l)}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);border-radius:var(--r-btn);padding:5px 16px;font-size:13px;color:#fff;letter-spacing:.4px;margin-bottom:20px}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--c-accent-l);display:inline-block}
.page-hero h1{color:#fff;font-size:clamp(30px,4.6vw,50px);font-weight:800;letter-spacing:.5px;max-width:16em}
.page-hero .hero-lead{margin-top:18px;max-width:780px;font-size:17px;color:rgba(255,255,255,.86);line-height:1.9}
.hero-badges{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.hero-badge{display:inline-flex;align-items:center;gap:10px;background:#fff;border-radius:var(--r-btn);padding:10px 20px;box-shadow:0 10px 26px rgba(14,27,24,.22)}
.hero-badge .hb-num{font-size:18px;font-weight:800;color:var(--c-brand-900);font-variant-numeric:tabular-nums}
.hero-badge .hb-label{font-size:13px;color:var(--text-2)}

/* ---------- 通用板块 ---------- */
.section{padding:86px 0}
.section-alt{background:var(--surface-alt)}
.section-head{max-width:760px;margin-bottom:44px}
.sec-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--c-brand-600);letter-spacing:1.4px;text-transform:uppercase}
.sec-tag::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-main)}
.section-head h2{margin-top:12px;font-size:clamp(24px,3vw,34px);font-weight:800}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px}

/* ---------- Bento 图墙 ---------- */
.bento{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:172px;gap:24px}
.bento-item{position:relative;border-radius:var(--r-card);background:var(--surface);box-shadow:var(--sh-1);overflow:hidden;transition:transform .3s ease,box-shadow .3s ease}
.bento-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.bento-a{grid-column:span 2;grid-row:span 2}
.bento-media{position:absolute;inset:0}
.bento-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.bento-item:hover .bento-media img{transform:scale(1.03)}
.bento-a::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,27,24,.05) 30%,rgba(14,27,24,.86) 100%)}
.bento-a .bento-body{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:30px;color:#fff}
.bento-a .bento-body h3{color:#fff;font-size:22px}
.bento-a .bento-body p{color:rgba(255,255,255,.88);font-size:15px;margin-top:10px;max-width:30em}
.bento-a .bento-chip{display:inline-block;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.42);border-radius:var(--r-btn);padding:3px 14px;font-size:12px;margin-bottom:14px}
.bento-card{padding:28px 26px;display:flex;flex-direction:column;gap:12px}
.bento-icon{width:48px;height:48px;border-radius:14px;background:var(--grad-main);display:grid;place-items:center;box-shadow:0 8px 18px rgba(31,140,121,.24)}
.bento-icon svg{width:22px;height:22px;stroke:#fff}
.bento-card h3{font-size:18px}
.bento-card p{font-size:14px;line-height:1.75;color:var(--text-2)}
.bento-e{grid-column:span 1;position:relative;overflow:hidden}
.bento-e img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.bento-e .bento-e-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,27,24,.18) 20%,rgba(14,27,24,.88) 100%)}
.bento-e .bento-e-text{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding:24px;color:#fff}
.bento-e h3{color:#fff;font-size:17px}
.bento-e p{color:rgba(255,255,255,.86);font-size:13px;margin-top:8px}

/* ---------- 时间轴 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{position:relative;background:var(--surface);border-radius:var(--r-card);padding:30px 24px;box-shadow:var(--sh-1);transition:transform .3s ease,box-shadow .3s ease}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step::after{content:"";position:absolute;top:52px;right:-12px;width:24px;height:2px;background:var(--line)}
.step:last-child::after{display:none}
.step-num{width:52px;height:52px;border-radius:16px;background:var(--grad-main);color:#fff;display:grid;place-items:center;font-size:19px;font-weight:800;font-variant-numeric:tabular-nums;box-shadow:0 10px 22px rgba(31,140,121,.26)}
.step h3{margin-top:20px;font-size:18px}
.step p{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.8}
.step .step-note{display:inline-block;margin-top:14px;font-size:12px;color:var(--c-brand-900);background:var(--surface-alt);border-radius:var(--r-btn);padding:3px 12px}

/* ---------- 安全习惯矩阵 ---------- */
.habits{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.habit{display:flex;gap:18px;background:var(--surface);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);border:1px solid transparent;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.habit:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:var(--line)}
.habit-icon{flex:none;width:46px;height:46px;border-radius:14px;background:var(--surface-alt);display:grid;place-items:center}
.habit-icon svg{width:22px;height:22px;stroke:var(--c-brand-600)}
.habit h3{font-size:17px}
.habit p{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.78}
.habit-tag{display:inline-block;margin-top:12px;font-size:12px;font-weight:600;color:var(--c-accent);background:#FFF3E4;border-radius:var(--r-btn);padding:2px 12px}

/* ---------- 数据带 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:44px}
.stat{background:var(--surface);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1)}
.stat .s-num{font-size:30px;font-weight:800;color:var(--c-brand-900);font-variant-numeric:tabular-nums;line-height:1.1}
.stat .s-label{margin-top:8px;font-size:14px;color:var(--text-2)}
.stat .s-bar{margin-top:16px;height:5px;border-radius:5px;background:var(--surface-alt);overflow:hidden}
.stat .s-bar i{display:block;height:100%;border-radius:5px;background:var(--grad-main)}
.stat:nth-child(2n) .s-bar i{background:var(--grad-warm)}

/* ---------- FAQ ---------- */
.accordion{--bs-accordion-border-width:0;--bs-accordion-bg:transparent;--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-border-radius:0}
.accordion-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card)!important;overflow:hidden;margin-bottom:16px;box-shadow:var(--sh-1)}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{background:var(--surface);color:var(--text);font-size:17px;font-weight:600;padding:22px 26px;box-shadow:none;border-radius:var(--r-card)!important}
.accordion-button:not(.collapsed){color:var(--c-brand-900);background:var(--surface-alt);box-shadow:inset 4px 0 0 var(--c-brand-600)}
.accordion-button:focus{box-shadow:none}
.accordion-button::after{width:20px;height:20px;background-size:20px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231F8C79' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");transition:transform .3s ease}
.accordion-button:not(.collapsed)::after{transform:rotate(135deg)}
.accordion-body{padding:20px 26px 26px;font-size:15px;color:var(--text-2);line-height:1.85;border-top:1px solid var(--line)}

/* ---------- 通栏 CTA ---------- */
.cta-band{padding:0 0 90px}
.cta-card{position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--grad-main);padding:56px 52px;display:flex;align-items:center;gap:40px;box-shadow:0 24px 56px rgba(31,140,121,.28)}
.cta-card::before{content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.14)}
.cta-card::after{content:"";position:absolute;left:38%;bottom:-140px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.1)}
.cta-text{position:relative;z-index:2;flex:1 1 auto;color:#fff}
.cta-text h2{color:#fff;font-size:clamp(24px,3vw,32px)}
.cta-text p{margin-top:14px;color:rgba(255,255,255,.9);max-width:44em;font-size:16px}
.cta-points{display:flex;gap:22px;flex-wrap:wrap;margin-top:22px}
.cta-points span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.94)}
.cta-points svg{width:18px;height:18px;stroke:#fff}
.cta-actions{position:relative;z-index:2;display:flex;flex-direction:column;gap:14px;flex:none}
.btn-white{background:#fff;color:var(--c-brand-900);height:52px;padding:0 30px;font-size:16px;box-shadow:0 12px 28px rgba(14,27,24,.18)}
.btn-white:hover{color:var(--c-brand-900);transform:translateY(-2px);box-shadow:0 18px 36px rgba(14,27,24,.24)}
.btn-outline-w{background:transparent;border:1.5px solid rgba(255,255,255,.7);color:#fff;height:52px;padding:0 30px;font-size:16px}
.btn-outline-w:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--dark);color:#B9C9C4;padding:0 0 34px}
.footer-line{height:3px;background:var(--grad-main)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:62px 0 44px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{width:42px;height:42px;border-radius:14px}
.footer-brand .brand-text .b1{color:#fff;font-size:17px;font-weight:800;display:block;line-height:1.2}
.footer-brand .brand-text .b2{color:#8FA8A2;font-size:12px;letter-spacing:2px;display:block}
.site-footer p{font-size:14px;line-height:1.85;color:#9FB5AF}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.4px}
.footer-links li{margin-bottom:11px}
.footer-links a{color:#9FB5AF;font-size:14px;position:relative}
.footer-links a:hover{color:#fff}
.footer-links a::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1.5px;background:var(--grad-main);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.footer-links a:hover::after{transform:scaleX(1)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;margin-bottom:14px;font-size:14px;color:#9FB5AF}
.footer-contact svg{width:18px;height:18px;flex:none;margin-top:4px;stroke:var(--c-brand-400)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom p{font-size:13px;color:#7E948E}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-links a{padding:10px 11px;font-size:14.5px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .bento{grid-template-columns:repeat(2,1fr);grid-auto-rows:170px}
  .bento-a{grid-column:span 2;grid-row:span 2}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .stats{grid-template-columns:repeat(2,1fr)}
  .cta-card{flex-direction:column;align-items:flex-start;padding:44px 34px;gap:28px}
  .cta-actions{width:100%;flex-direction:row;flex-wrap:wrap}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;padding:50px 0 34px}
  .nav-actions .btn-ghost{display:none}
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:min(320px,86vw);
    background:#fff;flex-direction:column;align-items:stretch;gap:4px;
    padding:92px 20px 28px;margin-left:0;
    box-shadow:-18px 0 44px rgba(15,31,28,.18);
    transform:translateX(105%);transition:transform .32s ease;
    z-index:1040;overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-links a{padding:14px 16px;font-size:16px;border-radius:14px}
  .nav-links a::after{display:none}
  .nav-links a.active,.nav-links a:hover{background:var(--surface-alt);transform:none}
  .nav-toggle{display:inline-flex}
  .nav-actions{margin-left:auto}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .top-strip{font-size:13px}
  .top-strip-inner{min-height:42px}
  .strip-tag{display:none}
  .page-hero{padding:44px 0 52px}
  .page-hero .hero-lead{font-size:15.5px}
  .brand-text .b2{letter-spacing:1px}
  .bento{grid-template-columns:1fr;grid-auto-rows:auto}
  .bento-a{grid-column:span 1;grid-row:span 1;min-height:300px}
  .bento-a .bento-body{padding:24px}
  .bento-card{padding:24px}
  .bento-e{min-height:200px}
  .steps{grid-template-columns:1fr}
  .habits{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr;gap:16px}
  .cta-card{padding:34px 24px;border-radius:var(--r-card)}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:8px}
  .btn-lg{width:100%}
  .hero-badges{gap:10px}
  .hero-badge{padding:8px 16px}
}
@media (max-width:575px){
  .page-hero{padding:36px 0 44px}
  .section-head{margin-bottom:32px}
  .hero-badge .hb-num{font-size:16px}
  .stats{grid-template-columns:1fr}
  .cta-card::before,.cta-card::after{display:none}
}

/* roulang page: category3 */
:root{
  --brand-deep:#176E60;
  --brand:#1F8C79;
  --brand-light:#3FB39C;
  --accent:#F08A2C;
  --accent-light:#FFC46B;
  --bg:#F4F8F6;
  --surface:#FFFFFF;
  --surface-alt:#E8F0EC;
  --ink:#0F1F1C;
  --ink-2:#41524E;
  --ink-3:#7B8C87;
  --line:#DCE7E2;
  --dark:#0E1B18;
  --grad-main:linear-gradient(135deg,#1F8C79 0%,#46C7A6 100%);
  --grad-warm:linear-gradient(135deg,#FFB45C 0%,#F07A3C 100%);
  --r-card:24px;
  --r-lg:32px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(15,31,28,.05);
  --sh-2:0 18px 40px rgba(31,140,121,.16);
  --sh-3:0 10px 28px rgba(15,31,28,.08);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0 0 12px;color:var(--ink);font-weight:700;line-height:1.32}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
a{color:var(--brand-deep);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--brand)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto;width:100%}
@media (min-width:1400px){.container{max-width:1280px}}
.section{padding:88px 0}
.section.tight{padding:64px 0}
.section-alt{background:var(--surface-alt)}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:76px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:46px;height:46px;border-radius:14px;
  background:var(--grad-main);
  display:grid;place-items:center;
  box-shadow:0 8px 18px rgba(31,140,121,.26);
}
.brand-mark svg{width:24px;height:24px}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text .b1{font-weight:800;font-size:16px;color:var(--ink);letter-spacing:.5px}
.brand-text .b2{font-size:12px;color:var(--ink-3);letter-spacing:2px}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  position:relative;
  padding:10px 14px;border-radius:12px;
  color:var(--ink-2);font-size:15px;font-weight:500;
  transition:color .22s ease,transform .22s ease,background .22s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;
  border-radius:2px;background:var(--grad-main);
  transform:scaleX(0);transform-origin:left;transition:transform .26s ease;
}
.nav-links a:hover{color:var(--brand-deep);transform:translateY(-2px)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand-deep);font-weight:700;background:rgba(31,140,121,.07)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:10px}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;
  border-radius:var(--r-pill);background:var(--grad-main);color:#fff;
  font-size:15px;font-weight:600;white-space:nowrap;
  box-shadow:0 8px 20px rgba(31,140,121,.28);
  transition:transform .25s ease,box-shadow .25s ease;
}
.btn-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(31,140,121,.38)}
.btn-cta svg{width:18px;height:18px;stroke:#fff}
.btn-ghost{
  display:inline-flex;align-items:center;height:44px;padding:0 20px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:transparent;
  color:var(--brand-deep);font-size:15px;font-weight:600;white-space:nowrap;
  transition:border-color .25s ease,background .25s ease,transform .25s ease;
}
.btn-ghost:hover{border-color:var(--brand-light);background:var(--surface-alt);transform:translateY(-2px);color:var(--brand-deep)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;color:var(--brand-deep);
}
.nav-toggle svg{width:22px;height:22px}
.mobile-nav{background:#fff;border-top:1px solid var(--line)}
.mobile-nav .inner{padding:14px 20px 20px;display:grid;gap:6px}
.mobile-nav a{
  padding:12px 16px;border-radius:14px;color:var(--ink-2);
  font-size:15.5px;font-weight:600;
}
.mobile-nav a.active{background:var(--surface-alt);color:var(--brand-deep)}
@media (max-width:991px){
  .nav-links{display:none}
  .btn-ghost{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions{margin-left:auto}
  .btn-cta{height:40px;padding:0 16px;font-size:14px}
}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:82px 0 74px;
  background-image:linear-gradient(135deg,rgba(23,110,96,.94) 0%,rgba(14,27,24,.9) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;right:-140px;top:-140px;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle,rgba(70,199,166,.5) 0%,rgba(70,199,166,0) 70%);
}
.page-hero::after{
  content:"";position:absolute;left:-120px;bottom:-180px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,138,44,.32) 0%,rgba(240,138,44,0) 70%);
}
.page-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.76);flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.76)}
.crumb a:hover{color:#fff}
.crumb .sep{color:rgba(255,255,255,.42)}
.crumb .current{color:#8FF0D6;font-weight:600}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4.4vw,52px);font-weight:800;
  line-height:1.22;margin:20px 0 16px;letter-spacing:.5px;
}
.page-hero h1 .hl{
  color:#9BF3DA;
  border-bottom:3px solid rgba(255,196,107,.75);
  padding-bottom:2px;
}
.page-hero .lead{
  font-size:17.5px;line-height:1.88;color:rgba(255,255,255,.86);max-width:780px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 16px;border-radius:var(--r-pill);
  font-size:14px;color:#fff;
  background:rgba(255,255,255,.13);
  border:1px solid rgba(255,255,255,.26);
}
.tag svg{width:15px;height:15px;stroke:#9BF3DA}
@media (max-width:575px){
  .page-hero{padding:56px 0 50px}
  .page-hero::before,.page-hero::after{display:none}
}

/* ---------- Section head ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 15px;border-radius:var(--r-pill);
  background:rgba(31,140,121,.1);color:var(--brand-deep);
  font-size:13px;font-weight:700;letter-spacing:1.2px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.section-head{max-width:800px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,2.7vw,36px);font-weight:800;margin:16px 0 12px}
.section-head p{font-size:16px;color:var(--ink-2)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .eyebrow{justify-content:center}

/* ---------- Bento spot grid ---------- */
.spot-grid{
  display:grid;grid-template-columns:repeat(6,1fr);
  gap:24px;grid-auto-rows:minmax(196px,auto);
}
.spot{
  position:relative;display:flex;flex-direction:column;justify-content:flex-end;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .3s ease,box-shadow .3s ease;
}
.spot:hover{transform:translateY(-5px);box-shadow:var(--sh-2)}
.spot h3{font-size:19px;margin-bottom:10px}
.spot p{font-size:15px;color:var(--ink-2)}
.spot-hero{grid-column:span 4;grid-row:span 2;padding:36px;color:#fff;justify-content:flex-end}
.spot-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.spot-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,27,24,.12) 0%,rgba(14,27,24,.88) 80%);
}
.spot-hero:hover img{transform:scale(1.05)}
.spot-hero h3,.spot-hero p,.spot-hero .badge-warm,.spot-hero .link-more{position:relative;z-index:2}
.spot-hero h3{color:#fff;font-size:clamp(21px,2.4vw,28px);font-weight:800;margin:14px 0 10px}
.spot-hero p{color:rgba(255,255,255,.86);font-size:15.5px;max-width:560px}
.spot-b,.spot-c{grid-column:span 2}
.spot-d,.spot-e{grid-column:span 3}
.badge-warm{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--grad-warm);color:#fff;font-size:13px;font-weight:700;
  box-shadow:0 8px 18px rgba(240,122,60,.3);
}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(31,140,121,.1);color:var(--brand-deep);
  font-size:13px;font-weight:700;
}
.icon-block{
  width:52px;height:52px;border-radius:16px;background:var(--grad-main);
  display:grid;place-items:center;margin-bottom:18px;
  box-shadow:0 10px 20px rgba(31,140,121,.24);
}
.icon-block svg{width:26px;height:26px;stroke:#fff}
.link-more{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  font-size:15px;font-weight:600;color:#fff;
}
.link-more svg{width:17px;height:17px;stroke:#9BF3DA;transition:transform .25s ease}
.link-more:hover{color:#fff}
.link-more:hover svg{transform:translateX(4px)}
.step-list{margin-top:6px}
.step-list li{display:flex;gap:12px;align-items:flex-start;padding:9px 0;font-size:15px;color:var(--ink-2)}
.step-list .idx{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;
  background:rgba(31,140,121,.12);color:var(--brand-deep);
  font-size:13px;font-weight:800;display:grid;place-items:center;margin-top:4px;
}
@media (max-width:991px){
  .spot-grid{grid-template-columns:repeat(2,1fr)}
  .spot-hero{grid-column:span 2;grid-row:auto}
  .spot-b,.spot-c{grid-column:span 1}
  .spot-d,.spot-e{grid-column:span 2}
}
@media (max-width:767px){
  .spot-grid{grid-template-columns:1fr}
  .spot-hero,.spot-b,.spot-c,.spot-d,.spot-e{grid-column:span 1}
  .spot{padding:24px}
  .spot-hero{padding:26px}
}

/* ---------- Stat strip ---------- */
.stat-strip{
  display:flex;gap:16px;overflow-x:auto;padding:4px 2px 16px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.stat-strip::-webkit-scrollbar{height:6px}
.stat-strip::-webkit-scrollbar-thumb{background:rgba(31,140,121,.28);border-radius:6px}
.stat{
  flex:0 0 auto;min-width:200px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:20px 24px;box-shadow:var(--sh-1);
  transition:transform .26s ease,box-shadow .26s ease;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--sh-3)}
.stat b{display:block;font-size:30px;font-weight:800;color:var(--brand-deep);line-height:1.2;font-variant-numeric:tabular-nums}
.stat span{font-size:14px;color:var(--ink-3)}

/* ---------- Split block ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split h2{font-size:clamp(24px,2.7vw,34px);font-weight:800;margin:16px 0 14px}
.check-list{margin-top:8px}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 0;border-bottom:1px dashed var(--line);font-size:15.5px;color:var(--ink-2);
}
.check-list li:last-child{border-bottom:0}
.check-list .dot{
  flex:0 0 auto;width:28px;height:28px;border-radius:10px;margin-top:3px;
  background:rgba(31,140,121,.12);display:grid;place-items:center;
}
.check-list .dot svg{width:16px;height:16px;stroke:var(--brand-deep)}
.check-list strong{color:var(--ink);font-weight:700}
.media-frame{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-3);background:var(--surface-alt);
}
.media-frame img{width:100%;height:420px;object-fit:cover}
.float-card{
  position:absolute;right:20px;bottom:20px;
  background:#fff;border-radius:18px;padding:16px 20px;
  box-shadow:0 14px 34px rgba(15,31,28,.16);
  border:1px solid var(--line);
}
.float-card b{display:block;font-size:22px;font-weight:800;color:var(--brand-deep);font-variant-numeric:tabular-nums}
.float-card span{font-size:13px;color:var(--ink-3)}
@media (max-width:991px){
  .split{grid-template-columns:1fr;gap:36px}
  .media-frame img{height:300px}
}
@media (max-width:575px){
  .media-frame img{height:230px}
  .float-card{right:12px;bottom:12px;padding:12px 16px}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  background:#fff;border:1px solid var(--line)!important;border-radius:20px!important;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);
}
.accordion-button{
  position:relative;width:100%;padding:22px 56px 22px 26px;
  background:#fff;color:var(--ink);font-size:17px;font-weight:600;
  border:0;box-shadow:none!important;text-align:left;
  transition:background .25s ease,color .25s ease;
}
.accordion-button:hover{background:rgba(31,140,121,.04)}
.accordion-button::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--grad-main);opacity:0;transition:opacity .25s ease;
}
.accordion-button:not(.collapsed){
  background:rgba(31,140,121,.07);color:var(--brand-deep);box-shadow:none!important;
}
.accordion-button:not(.collapsed)::before{opacity:1}
.accordion-button::after{
  width:18px;height:18px;background-size:18px;position:absolute;right:24px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231F8C79' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  transition:transform .3s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.accordion-body{padding:0 26px 24px;color:var(--ink-2);font-size:15.5px;line-height:1.85}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--grad-main);
  padding:56px;color:#fff;
  display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center;
  box-shadow:0 26px 60px rgba(31,140,121,.28);
}
.cta-band::before{
  content:"";position:absolute;right:-100px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.28) 0%,rgba(255,255,255,0) 70%);
}
.cta-band .cta-copy{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:clamp(24px,2.7vw,34px);font-weight:800;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.9);font-size:16px;max-width:520px}
.cta-points{margin-top:22px;display:grid;gap:10px}
.cta-points li{display:flex;gap:10px;align-items:center;font-size:15.5px;color:#fff}
.cta-points svg{width:18px;height:18px;stroke:#FFE1B8;flex:0 0 auto}
.form-card{
  position:relative;z-index:2;background:#fff;border-radius:28px;
  padding:32px;box-shadow:0 22px 50px rgba(15,31,28,.18);
}
.form-card h3{font-size:20px;font-weight:800;margin-bottom:6px}
.form-card .form-hint{font-size:14px;color:var(--ink-3);margin-bottom:20px}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.form-card .form-control,
.form-card .form-select{
  height:44px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:15px;padding:0 14px;
  box-shadow:none;transition:border-color .22s ease,box-shadow .22s ease;
}
.form-card textarea.form-control{height:auto;min-height:88px;padding:12px 14px;line-height:1.7;resize:vertical}
.form-card .form-control:focus,
.form-card .form-select:focus{
  border-color:var(--brand-light);
  box-shadow:0 0 0 4px rgba(63,179,156,.18);
  outline:none;
}
.form-card .form-control::placeholder{color:#A9B8B3}
.btn-submit{
  width:100%;height:48px;border:0;border-radius:var(--r-pill);
  background:var(--grad-main);color:#fff;font-size:16px;font-weight:700;
  box-shadow:0 12px 26px rgba(31,140,121,.3);
  transition:transform .25s ease,box-shadow .25s ease;
}
.btn-submit:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(31,140,121,.4)}
.form-note{font-size:12.5px;color:var(--ink-3);margin-top:12px;line-height:1.7}
.form-status{display:none;margin-top:14px;padding:12px 16px;border-radius:14px;font-size:14px}
.form-status.is-ok{display:block;background:rgba(31,140,121,.1);color:var(--brand-deep);border:1px solid rgba(31,140,121,.24)}
.form-status.is-err{display:block;background:rgba(240,138,44,.1);color:#B75E12;border:1px solid rgba(240,138,44,.28)}
@media (max-width:991px){
  .cta-band{grid-template-columns:1fr;gap:34px;padding:40px 28px}
}
@media (max-width:575px){
  .cta-band{padding:32px 20px;border-radius:24px}
  .form-card{padding:24px 20px;border-radius:22px}
}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding-bottom:28px}
.footer-line{height:3px;background:var(--grad-main)}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.25fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{width:44px;height:44px;border-radius:14px;background:var(--grad-main);display:grid;place-items:center}
.footer-brand .brand-mark svg{width:22px;height:22px}
.footer-brand .brand-text{display:flex;flex-direction:column;line-height:1.25}
.footer-brand .b1{font-size:15.5px;font-weight:800;color:#fff}
.footer-brand .b2{font-size:12px;color:rgba(255,255,255,.6);letter-spacing:2px}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:420px}
.site-footer h4{font-size:15.5px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links a{
  display:inline-block;padding:6px 0;font-size:15px;color:rgba(255,255,255,.72);
  background-image:linear-gradient(var(--brand-light),var(--brand-light));
  background-size:0 2px;background-position:0 100%;background-repeat:no-repeat;
  transition:color .22s ease,background-size .26s ease;
}
.footer-links a:hover{color:#fff;background-size:100% 2px}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;padding:7px 0;font-size:14.5px;color:rgba(255,255,255,.72)}
.footer-contact svg{width:18px;height:18px;stroke:var(--brand-light);flex:0 0 auto;margin-top:5px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:22px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.52);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#fff}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr}
  .section{padding:52px 0}
  .section-head{margin-bottom:32px}
}

/* roulang page: category4 */
:root{
  --ink:#0F1F1C;
  --ink-2:#41524E;
  --ink-3:#7B8C87;
  --line:#DCE7E2;
  --bg:#F4F8F6;
  --card:#FFFFFF;
  --tint:#E8F0EC;
  --brand:#1F8C79;
  --brand-d:#176E60;
  --brand-l:#3FB39C;
  --accent:#F08A2C;
  --accent-l:#FFC46B;
  --grad:linear-gradient(135deg,#1F8C79 0%,#46C7A6 100%);
  --warm:linear-gradient(135deg,#FFB45C 0%,#F07A3C 100%);
  --dark:#0E1B18;
  --r-card:24px;
  --r-lg:32px;
  --r-pill:999px;
  --r-input:12px;
  --sh-1:0 2px 6px rgba(15,31,28,.05);
  --sh-2:0 18px 40px rgba(31,140,121,.16);
  --sh-3:0 10px 28px rgba(15,31,28,.08);
  --sec:84px;
}
*,*::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",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:var(--brand-d);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease}
a:hover{color:var(--brand)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand-l);outline-offset:2px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1400px){.container{max-width:1280px}}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(244,248,246,.92);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-3)}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:74px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.brand-mark{
  width:44px;height:44px;
  border-radius:14px;
  background:var(--grad);
  display:grid;place-items:center;
  box-shadow:0 8px 18px rgba(31,140,121,.28);
  flex-shrink:0;
}
.brand-mark svg{width:24px;height:24px}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text .b1{font-size:16px;font-weight:800;letter-spacing:.5px;color:var(--ink)}
.brand-text .b2{font-size:12.5px;font-weight:500;color:var(--ink-3);letter-spacing:.5px}
.nav-collapse{flex:1 1 auto;display:flex;justify-content:center}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  border-radius:var(--r-pill);
  white-space:nowrap;
  transition:color .22s ease,transform .22s ease,background-color .22s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .25s ease;
}
.nav-links a:hover{color:var(--brand-d);transform:translateY(-1px)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand-d);font-weight:700;background:var(--tint)}
.nav-links a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  background:var(--grad);
  color:#fff;
  font-size:15px;
  font-weight:600;
  border:0;
  box-shadow:0 10px 22px rgba(31,140,121,.26);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
  white-space:nowrap;
}
.btn-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(31,140,121,.32)}
.btn-cta:active{transform:translateY(0)}
.btn-cta svg{width:18px;height:18px}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--brand-d);
  font-size:15px;
  font-weight:600;
  transition:border-color .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease;
  white-space:nowrap;
}
.btn-ghost:hover{border-color:var(--brand-l);color:var(--brand-d);transform:translateY(-2px);box-shadow:var(--sh-1)}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#fff;
  align-items:center;
  justify-content:center;
  color:var(--brand-d);
}
.nav-toggle svg{width:22px;height:22px}

/* ============ 通用组件 ============ */
.section{padding:var(--sec) 0}
.section--tint{background:var(--tint)}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 14px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  color:var(--brand-d);
  font-size:13px;
  font-weight:600;
  letter-spacing:.6px;
  margin-bottom:16px;
}
.eyebrow--grad{background:var(--grad);border-color:transparent;color:#fff}
h1{
  font-size:clamp(30px,4.4vw,52px);
  font-weight:800;
  line-height:1.24;
  letter-spacing:-.4px;
}
h2{
  font-size:clamp(24px,2.6vw,36px);
  font-weight:800;
  line-height:1.34;
  letter-spacing:-.2px;
}
h3{font-size:20px;font-weight:700;line-height:1.5}
h4{font-size:17px;font-weight:700;line-height:1.5}
.section-desc{margin-top:14px;color:var(--ink-2);font-size:16px}
.lead-sm{color:var(--ink-2);font-size:15px;line-height:1.8}
.badge-soft{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:var(--tint);
  color:var(--brand-d);
  font-size:13px;
  font-weight:600;
}
.badge-warm{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:var(--warm);
  color:#fff;
  font-size:12.5px;
  font-weight:700;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.85);
  border:1px solid var(--line);
  color:var(--ink-2);
  font-size:13.5px;
  font-weight:500;
}
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  background:var(--grad);
  color:#fff;
  font-size:15.5px;
  font-weight:600;
  border:0;
  box-shadow:0 12px 26px rgba(31,140,121,.26);
  transition:transform .22s ease,box-shadow .22s ease;
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(31,140,121,.32)}
.btn-outline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--brand-d);
  font-size:15.5px;
  font-weight:600;
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-outline:hover{border-color:var(--brand-l);color:var(--brand-d);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-main svg,.btn-outline svg{width:18px;height:18px}

/* ============ 页头带 ============ */
.page-hero{
  position:relative;
  padding:64px 0 72px;
  background-color:var(--bg);
  background-image:
    linear-gradient(118deg,rgba(244,248,246,.95) 0%,rgba(232,240,236,.86) 58%,rgba(224,238,232,.78) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-140px;top:-120px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(70,199,166,.20),rgba(70,199,166,0) 68%);
  pointer-events:none;
}
.breadcrumb-nav{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--ink-3);
  margin-bottom:22px;
}
.breadcrumb-nav a{color:var(--ink-3)}
.breadcrumb-nav a:hover{color:var(--brand-d)}
.breadcrumb-nav .sep{color:var(--line)}
.breadcrumb-nav .current{color:var(--brand-d);font-weight:600}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.35fr .85fr;
  gap:48px;
  align-items:end;
}
.hero-copy h1{max-width:760px}
.hero-lede{
  margin-top:20px;
  max-width:640px;
  font-size:17px;
  line-height:1.9;
  color:var(--ink-2);
}
.hero-side{
  background:#fff;
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-3);
  border:1px solid var(--line);
}
.hero-side h4{margin-bottom:16px}
.mini-list{display:grid;gap:14px}
.mini-item{display:flex;gap:12px;align-items:flex-start}
.mini-item .ic{
  width:36px;height:36px;
  flex-shrink:0;
  border-radius:12px;
  background:var(--tint);
  display:grid;place-items:center;
  color:var(--brand-d);
}
.mini-item .ic svg{width:19px;height:19px}
.mini-item .tx{font-size:14.5px;color:var(--ink-2);line-height:1.7}
.mini-item .tx strong{display:block;font-size:15px;color:var(--ink);font-weight:700;margin-bottom:2px}
.hero-side .divider{height:1px;background:var(--line);margin:20px 0}
.stat-row{display:flex;gap:14px;flex-wrap:wrap}
.stat{
  flex:1 1 110px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:18px;
  padding:14px 16px;
}
.stat .n{font-size:22px;font-weight:800;color:var(--brand-d);font-variant-numeric:tabular-nums;line-height:1.2}
.stat .l{font-size:12.5px;color:var(--ink-3);margin-top:4px}

/* ============ 速览卡 ============ */
.quick-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
}
.quick-card{
  background:var(--card);
  border-radius:var(--r-card);
  padding:28px 24px;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  display:flex;
  flex-direction:column;
  gap:14px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(63,179,156,.4)}
.quick-card .ic-lg{
  width:52px;height:52px;
  border-radius:16px;
  background:var(--grad);
  display:grid;place-items:center;
  color:#fff;
  box-shadow:0 10px 20px rgba(31,140,121,.24);
}
.quick-card .ic-lg svg{width:25px;height:25px}
.quick-card h3{font-size:18px}
.quick-card p{font-size:14.5px;color:var(--ink-2);line-height:1.75;flex:1}
.quick-card .go{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-d);
}
.quick-card .go svg{width:16px;height:16px;transition:transform .22s ease}
.quick-card:hover .go svg{transform:translateX(4px)}

/* ============ 规则图文 + 表格化卡片 ============ */
.rule-intro{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:40px;
  align-items:center;
  margin-bottom:48px;
}
.rule-intro .pic{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-3);
  background:var(--tint);
  aspect-ratio:16/11;
}
.rule-intro .pic img{width:100%;height:100%;object-fit:cover}
.check-list{display:grid;gap:14px;margin-top:22px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2)}
.check-list .tick{
  width:22px;height:22px;
  margin-top:4px;
  flex-shrink:0;
  border-radius:50%;
  background:var(--tint);
  color:var(--brand-d);
  display:grid;place-items:center;
}
.check-list .tick svg{width:13px;height:13px}
.rule-cards{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.rule-card{
  background:var(--card);
  border-radius:var(--r-card);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  padding:26px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.rule-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3)}
.rule-card .rc-head{
  display:flex;
  align-items:center;
  gap:12px;
  padding-bottom:16px;
  margin-bottom:6px;
  border-bottom:1px dashed var(--line);
}
.rule-card .rc-head .ic-s{
  width:40px;height:40px;
  border-radius:13px;
  background:var(--tint);
  color:var(--brand-d);
  display:grid;place-items:center;
  flex-shrink:0;
}
.rule-card .rc-head .ic-s svg{width:20px;height:20px}
.rule-card .rc-head h3{font-size:17.5px}
.rule-row{
  display:grid;
  grid-template-columns:132px 1fr;
  gap:16px;
  padding:13px 0;
  border-bottom:1px solid var(--line);
  font-size:14.5px;
}
.rule-row:last-child{border-bottom:0;padding-bottom:0}
.rule-row .k{color:var(--brand-d);font-weight:600}
.rule-row .v{color:var(--ink-2);line-height:1.75}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;margin:0 auto}
.group-label{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:15px;
  font-weight:700;
  color:var(--brand-d);
  margin:38px 0 16px;
}
.group-label:first-of-type{margin-top:0}
.group-label .dot{width:8px;height:8px;border-radius:50%;background:var(--grad)}
.group-label .line{flex:1;height:1px;background:var(--line)}
.accordion-item{
  border:0;
  border-radius:20px;
  background:#fff;
  margin-bottom:12px;
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow .25s ease;
}
.accordion-item:hover{box-shadow:var(--sh-3)}
.accordion-header{margin:0}
.accordion-button{
  width:100%;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  background:#fff;
  padding:20px 56px 20px 24px;
  border:0;
  border-radius:20px;
  box-shadow:none;
  text-align:left;
  line-height:1.6;
}
.accordion-button:not(.collapsed){
  color:var(--brand-d);
  background:var(--tint);
  box-shadow:inset 4px 0 0 var(--brand);
  border-radius:20px 20px 0 0;
}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-button:focus-visible{outline:2px solid var(--brand-l);outline-offset:-2px}
.accordion-button::after{
  width:26px;height:26px;
  margin-left:auto;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%231F8C79' stroke-width='1.8' stroke-linecap='round'><path d='M8 3v10M3 8h10'/></svg>");
  background-size:20px 20px;
  background-position:center;
  background-repeat:no-repeat;
  transition:transform .28s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.accordion-body{
  padding:20px 24px 24px;
  font-size:15px;
  line-height:1.9;
  color:var(--ink-2);
  background:#fff;
}
.accordion-body p + p{margin-top:10px}
.accordion-body .note{
  display:block;
  margin-top:12px;
  padding:12px 16px;
  border-radius:14px;
  background:var(--bg);
  border-left:4px solid var(--brand-l);
  font-size:14px;
  color:var(--ink-2);
}

/* ============ 处理步骤 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
  position:relative;
}
.step{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 22px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step .num{
  width:44px;height:44px;
  border-radius:14px;
  background:var(--tint);
  color:var(--brand-d);
  display:grid;place-items:center;
  font-size:18px;
  font-weight:800;
  margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--ink-2);line-height:1.75}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  border-radius:var(--r-lg);
  padding:48px 44px;
  background:var(--grad);
  color:#fff;
  overflow:hidden;
  display:grid;
  grid-template-columns:1.25fr .75fr;
  gap:36px;
  align-items:center;
  box-shadow:0 24px 50px rgba(31,140,121,.26);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-90px;bottom:-120px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 70%);
}
.cta-band h2{color:#fff;position:relative;z-index:2}
.cta-band p{color:rgba(255,255,255,.9);margin-top:12px;position:relative;z-index:2;font-size:15.5px}
.cta-points{display:grid;gap:10px;margin-top:20px;position:relative;z-index:2}
.cta-points li{display:flex;gap:10px;align-items:center;font-size:15px;color:rgba(255,255,255,.95)}
.cta-points .tick{
  width:20px;height:20px;
  border-radius:50%;
  background:rgba(255,255,255,.22);
  display:grid;place-items:center;
  flex-shrink:0;
}
.cta-points .tick svg{width:12px;height:12px;stroke:#fff}
.cta-actions{
  position:relative;
  z-index:2;
  display:grid;
  gap:12px;
}
.btn-white{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  height:50px;
  padding:0 26px;
  border-radius:var(--r-pill);
  background:#fff;
  color:var(--brand-d);
  font-size:15.5px;
  font-weight:700;
  border:0;
  transition:transform .22s ease,box-shadow .22s ease;
}
.btn-white:hover{color:var(--brand-d);transform:translateY(-2px);box-shadow:0 14px 28px rgba(14,27,24,.18)}
.btn-line-white{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  height:50px;
  padding:0 24px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.6);
  background:transparent;
  color:#fff;
  font-size:15.5px;
  font-weight:600;
  transition:background-color .22s ease,transform .22s ease;
}
.btn-line-white:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-white svg,.btn-line-white svg{width:18px;height:18px}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:#C8D6D1;
  margin-top:var(--sec);
  padding-top:0;
}
.footer-line{height:3px;background:var(--grad)}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding:56px 0 34px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none;background:rgba(255,255,255,.1)}
.footer-brand .brand-text .b1{color:#fff}
.footer-brand .brand-text .b2{color:#8FA6A0}
.site-footer p{font-size:14.5px;line-height:1.85;color:#9DB2AC}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px}
.footer-links,.footer-contact{display:grid;gap:11px}
.footer-links a{
  color:#A9BDB7;
  font-size:14.5px;
  position:relative;
  display:inline-block;
}
.footer-links a::after{
  content:"";
  position:absolute;
  left:0;bottom:-2px;
  width:100%;height:1px;
  background:var(--brand-l);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s ease;
}
.footer-links a:hover{color:#fff}
.footer-links a:hover::after{transform:scaleX(1)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#A9BDB7;line-height:1.7}
.footer-contact svg{width:18px;height:18px;stroke:var(--brand-l);flex-shrink:0;margin-top:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:#8299 93;
  color:#829993;
}

/* ============ 响应式 ============ */
@media (min-width:992px){
  .nav-collapse{display:flex !important;height:auto !important;visibility:visible !important}
}
@media (max-width:1200px){
  .hero-grid{grid-template-columns:1.2fr .9fr;gap:36px}
  .rule-intro{grid-template-columns:1fr;gap:28px}
}
@media (max-width:991px){
  :root{--sec:60px}
  .nav-toggle{display:inline-flex}
  .header-inner{min-height:68px;gap:12px}
  .nav-collapse{
    order:5;
    flex-basis:100%;
    margin:0 0 16px;
  }
  .nav-links{
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:20px;
    padding:12px;
    box-shadow:var(--sh-3);
  }
  .nav-links a{padding:11px 14px;border-radius:14px}
  .nav-links a::after{display:none}
  .nav-links a.active{background:var(--tint)}
  .btn-cta{height:40px;padding:0 16px;font-size:14px}
  .btn-cta span.long{display:none}
  .hero-grid{grid-template-columns:1fr;gap:28px;align-items:start}
  .hero-side{box-shadow:var(--sh-1)}
  .quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rule-cards{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{grid-template-columns:1fr;padding:36px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:44px 0 28px}
  .page-hero{padding:48px 0 56px}
}
@media (max-width:767px){
  :root{--sec:52px}
  body{font-size:15.5px}
  .quick-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .rule-row{grid-template-columns:1fr;gap:4px}
  .cta-actions .btn-white,.cta-actions .btn-line-white{width:100%}
  .hero-copy .tag-row{margin-top:18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{margin-top:var(--sec)}
}
@media (max-width:575px){
  .page-hero::after{display:none}
  .stat-row{display:flex;flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .stat{flex:0 0 auto;min-width:132px}
  .tag{font-size:12.5px;padding:5px 12px}
  .cta-band{padding:28px 20px}
  .rule-card,.quick-card{padding:22px 18px}
  .accordion-button{font-size:15.5px;padding:17px 48px 17px 18px}
  .accordion-body{padding:16px 18px 20px;font-size:14.5px}
  .footer-bottom{flex-direction:column;gap:8px}
}