/* roulang page: index */
/* ========== 设计变量 ========== */
:root{
  --brand:#0E9E92;
  --brand-dark:#0B7D73;
  --brand-2:#35C6A4;
  --brand-3:#8FE6C6;
  --accent:#FF8A3D;
  --accent-2:#FFC46B;
  --violet:#5B4BE0;
  --bg:#F7FAF9;
  --mist:#ECF3F1;
  --card:#FFFFFF;
  --text:#37474A;
  --title:#10241F;
  --muted:#7C8B89;
  --line:#E6EDEB;
  --line-soft:#DCE6E4;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(10,60,55,.08);
  --shadow-hover:0 16px 40px rgba(10,60,55,.14);
  --grad-main:linear-gradient(135deg,#0E9E92 0%,#35C6A4 50%,#8FE6C6 100%);
  --grad-accent:linear-gradient(135deg,#FF8A3D 0%,#FFC46B 100%);
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ========== 基础重置 ========== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .25s var(--ease);}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4{margin:0;color:var(--title);font-weight:700;letter-spacing:-.2px;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
img,svg{vertical-align:middle;}
:focus-visible{outline:3px solid rgba(14,158,146,.35);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}

/* ========== 顶部倒计时条 ========== */
.topbar{background:var(--grad-main);color:#fff;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:40px;}
.topbar-text{font-size:13.5px;letter-spacing:.3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-text i{margin-right:6px;}
.topbar-timer{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.tblock{
  display:inline-flex;align-items:center;gap:3px;height:28px;padding:0 9px;
  background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.3);border-radius:9px;
  font-variant-numeric:tabular-nums;
}
.tblock b{font-size:14px;font-weight:700;line-height:1;}
.tblock i{font-style:normal;font-size:11px;opacity:.88;line-height:1;}

/* ========== 导航 ========== */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 12px rgba(16,60,55,.05);
}
.nav-inner{display:flex;align-items:center;gap:26px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;}
.brand-text{font-size:17px;font-weight:800;color:var(--title);letter-spacing:-.3px;white-space:nowrap;}
.brand:hover .brand-text{color:var(--brand);}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:8px 15px;border-radius:999px;font-size:15px;
  color:#3d4f52;font-weight:500;transition:all .25s var(--ease);white-space:nowrap;
}
.nav-link:hover{background:var(--mist);color:var(--brand);}
.nav-link.is-active{color:var(--brand);font-weight:700;background:rgba(14,158,146,.09);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 15px;
  background:var(--mist);border:1px solid transparent;border-radius:999px;
  transition:all .25s var(--ease);
}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,158,146,.12);}
.nav-search i{color:var(--muted);font-size:14px;}
.nav-search input{
  border:0;background:transparent;outline:none;width:168px;height:100%;
  font-size:14px;color:var(--text);
}
.nav-search input::placeholder{color:#9fb0ae;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;background:var(--mist);
  color:var(--brand);align-items:center;justify-content:center;font-size:16px;
  transition:all .25s var(--ease);
}
.nav-toggle:hover{background:rgba(14,158,146,.16);}

/* 移动端抽屉 */
.drawer{
  position:fixed;top:0;right:0;width:82%;max-width:340px;height:100%;
  background:#fff;z-index:130;padding:22px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(102%);transition:transform .3s var(--ease);
  box-shadow:-12px 0 40px rgba(10,60,55,.14);overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-close{width:36px;height:36px;border-radius:10px;background:var(--mist);color:var(--brand);display:flex;align-items:center;justify-content:center;}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:12px;
  color:#2c3f42;font-size:16px;font-weight:500;
}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--mist);color:var(--brand);}
.drawer-cta{margin-top:16px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,39,35,.42);z-index:120;
  opacity:0;visibility:hidden;transition:all .3s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ========== 按钮 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-size:15.5px;font-weight:600;
  white-space:nowrap;transition:all .25s var(--ease);
}
.btn i{font-size:13px;}
.btn-primary{background:var(--grad-accent);color:#fff;box-shadow:0 8px 20px rgba(255,138,61,.28);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,138,61,.38);background-image:linear-gradient(150deg,#FF8A3D,#FFC46B);}
.btn-ghost{background:#fff;color:var(--brand);border:1.5px solid var(--brand);}
.btn-ghost:hover{background:rgba(14,158,146,.08);color:var(--brand);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 20px;font-size:14.5px;}
.btn-block{width:100%;}

/* ========== Hero ========== */
.hero{position:relative;overflow:hidden;padding:72px 0 84px;background:#F4F9F8;}
.hero::before{
  content:"";position:absolute;top:-160px;right:-140px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,158,146,.14) 0%,rgba(14,158,146,0) 68%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);
  background:rgba(14,158,146,.1);border-radius:999px;padding:6px 14px;margin-bottom:20px;
}
.hero-eyebrow i{font-size:11px;}
.hero-title{
  font-size:clamp(30px,4vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.5px;
  color:var(--title);margin-bottom:20px;
}
.hero-sub{font-size:17px;line-height:1.85;color:#4d6063;max-width:540px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px;}
.hero-note{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);}
.hero-note i{color:var(--brand);font-size:13px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:28px;
  box-shadow:0 18px 46px rgba(10,60,55,.14);
}
.hero-badge{
  position:absolute;right:-14px;bottom:-22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);padding:16px 22px;box-shadow:0 16px 40px rgba(10,60,55,.16);
  display:flex;flex-direction:column;gap:2px;
}
.hero-badge-num{
  font-size:28px;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums;
  background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-badge-label{font-size:12.5px;color:var(--muted);}

/* ========== 板块标题 ========== */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:40px;}
.section-index{
  display:inline-flex;align-items:center;font-size:12.5px;font-weight:600;letter-spacing:1px;
  color:var(--brand);background:rgba(14,158,146,.1);border-radius:999px;padding:4px 12px;margin-bottom:14px;
}
.section-title{position:relative;padding-left:18px;font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.25;}
.section-title::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:6px;border-radius:999px;background:var(--grad-main);
}
.section-desc{max-width:430px;font-size:14.5px;line-height:1.8;color:var(--muted);}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--brand);white-space:nowrap;}
.link-more i{font-size:12px;transition:transform .25s var(--ease);}
.link-more:hover i{transform:translateX(4px);}

/* ========== 卖点区（非对称） ========== */
.feature-main{
  position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:42px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;justify-content:center;gap:16px;height:100%;
}
.feature-main::after{
  content:"";position:absolute;right:-70px;top:-70px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,158,146,.14),rgba(14,158,146,0) 70%);
}
.feature-main h3{font-size:22px;font-weight:700;position:relative;z-index:1;}
.feature-main p{font-size:15px;line-height:1.9;color:#4d6063;position:relative;z-index:1;}
.feature-side{display:flex;flex-direction:column;gap:24px;height:100%;}
.feature-small{
  display:flex;gap:16px;align-items:flex-start;flex:1;background:#fff;border:1px solid var(--line);
  border-radius:20px;padding:26px 28px;transition:all .25s var(--ease);
}
.feature-small:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#d7e8e5;}
.feature-small h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.feature-small p{font-size:14.5px;line-height:1.8;color:var(--muted);}
.icon-round{
  width:52px;height:52px;border-radius:16px;flex-shrink:0;font-size:20px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(14,158,146,.1);color:var(--brand);
}
.icon-round.is-accent{background:rgba(255,138,61,.13);color:var(--accent);}
.icon-round.is-violet{background:rgba(91,75,224,.1);color:var(--violet);}
.feature-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--brand);margin-top:4px;}
.feature-link i{font-size:12px;transition:transform .25s var(--ease);}
.feature-link:hover i{transform:translateX(4px);}

/* ========== 数据徽章条 ========== */
.stats-band{background:var(--mist);padding:44px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-item{
  background:#fff;border:1px solid #E2EBE9;border-radius:var(--radius-md);
  padding:22px 24px;text-align:center;transition:all .25s var(--ease);
}
.stat-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.stat-num{
  display:block;font-size:34px;font-weight:700;line-height:1.2;
  font-variant-numeric:tabular-nums;color:var(--brand);
}
.stat-label{display:block;font-size:13px;color:var(--muted);margin-top:6px;}

/* ========== 亮点图墙 ========== */
.wall-row{display:grid;gap:24px;}
.wall-row-2{grid-template-columns:1fr 1fr;margin-bottom:24px;}
.wall-row-3{grid-template-columns:repeat(3,1fr);}
.wall-item{position:relative;margin:0;border-radius:var(--radius-lg);overflow:hidden;background:#fff;box-shadow:var(--shadow);}
.wall-item img{width:100%;object-fit:cover;transition:transform .5s var(--ease);}
.wall-row-2 .wall-item img{aspect-ratio:7/5;}
.wall-row-3 .wall-item img{aspect-ratio:4/3;}
.wall-item:hover img{transform:scale(1.03);}
.wall-item figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:40px 22px 20px;
  color:#fff;font-size:16px;font-weight:600;
  background:linear-gradient(180deg,rgba(8,39,35,0) 0%,rgba(8,39,35,.84) 100%);
  opacity:0;transform:translateY(8px);transition:all .3s var(--ease);
}
.wall-item:hover figcaption{opacity:1;transform:translateY(0);}

/* ========== 资讯卡片 ========== */
.news-card{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);
  border-radius:20px;overflow:hidden;transition:all .25s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#d7e8e5;}
.news-thumb{overflow:hidden;background:var(--mist);}
.news-thumb img{width:100%;height:176px;object-fit:cover;transition:transform .5s var(--ease);}
.news-card.is-feature .news-thumb img{height:286px;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{display:flex;flex-direction:column;flex:1;padding:20px 22px 22px;}
.chip{
  align-self:flex-start;font-size:12.5px;font-weight:600;color:var(--brand);
  background:rgba(14,158,146,.1);border-radius:999px;padding:3px 12px;
}
.news-title{
  font-size:17px;font-weight:600;line-height:1.45;margin:12px 0 8px;color:var(--title);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card.is-feature .news-title{font-size:22px;}
.news-sum{
  font-size:14px;line-height:1.75;color:var(--muted);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;font-size:13px;color:var(--muted);
}
.news-meta .more{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;}
.news-meta .more i{font-size:11px;transition:transform .25s var(--ease);}
.news-card:hover .news-meta .more i{transform:translateX(4px);}
.empty-state{
  background:var(--mist);border-radius:20px;padding:56px 24px;text-align:center;color:var(--muted);
}
.empty-state i{display:block;font-size:28px;color:#b6c6c3;margin-bottom:12px;}
.empty-state p{font-size:15px;}

/* ========== 报名 / 提醒登记 ========== */
.cta-section{background:#F4F9F8;}
.cta-copy{padding-right:12px;}
.cta-lead{font-size:16px;line-height:1.9;color:#4d6063;margin:18px 0 26px;max-width:480px;}
.benefit-list li{position:relative;padding-left:32px;margin-bottom:14px;font-size:15px;color:#3d4f52;line-height:1.8;}
.benefit-list li i{
  position:absolute;left:0;top:6px;width:20px;height:20px;border-radius:50%;
  background:rgba(14,158,146,.12);color:var(--brand);font-size:10px;
  display:inline-flex;align-items:center;justify-content:center;
}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:34px;box-shadow:var(--shadow);
}
.form-field{margin-bottom:18px;}
.form-label{display:block;font-size:13.5px;font-weight:600;color:#2c3f42;margin-bottom:8px;}
.form-input{
  width:100%;height:48px;padding:0 16px;font-size:15px;color:var(--text);
  background:#FBFDFC;border:1px solid var(--line-soft);border-radius:var(--radius-sm);
  outline:none;transition:all .25s var(--ease);
}
.form-input::placeholder{color:#a7b6b4;}
.form-input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(14,158,146,.12);}
textarea.form-input{height:auto;min-height:100px;padding:13px 16px;line-height:1.7;resize:vertical;}
.form-note{font-size:12.5px;line-height:1.75;color:var(--muted);margin-top:16px;}

/* ========== FAQ ========== */
.faq-list{border:0;background:transparent;margin:0;}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  margin-bottom:12px;overflow:hidden;transition:all .25s var(--ease);
}
.faq-item:last-child{margin-bottom:0;}
.faq-item.is-active{border-color:#cfe4e1;box-shadow:var(--shadow);}
.faq-item.is-active::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-main);
}
.faq-q{
  display:flex;align-items:center;gap:14px;width:100%;padding:20px 24px;
  background:#fff;border:0;font-size:17px;font-weight:600;color:var(--title);
  line-height:1.5;transition:color .25s var(--ease);
}
.faq-q::before{display:none !important;}
.faq-q::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  margin-left:auto;font-size:13px;color:var(--muted);flex-shrink:0;
  transition:transform .25s var(--ease),color .25s var(--ease);
}
.faq-item.is-active .faq-q::after{transform:rotate(180deg);color:var(--brand);}
.faq-q:hover{color:var(--brand);background:#fff;}
.faq-num{
  width:28px;height:28px;border-radius:9px;flex-shrink:0;font-size:13px;font-weight:700;
  background:var(--mist);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
}
.faq-item.is-active .faq-num{background:var(--grad-main);color:#fff;}
.faq-a{padding:0 24px 22px 66px;font-size:15px;line-height:1.9;color:var(--text);background:#fff;}
.accordion-content{padding:0;}
.faq-a p{margin:0;}

/* ========== 页脚 ========== */
.site-footer{position:relative;background:#082723;color:#bed2cf;padding-top:64px;margin-top:0;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-main);}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand-text{color:#fff;}
.footer-desc{font-size:14px;line-height:1.9;color:#9db5b1;margin:18px 0 20px;max-width:340px;}
.footer-badges{display:flex;gap:12px;flex-wrap:wrap;}
.footer-badge{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  border-radius:12px;padding:10px 16px;font-size:12.5px;color:#d5e4e1;
}
.footer-badge b{display:block;font-size:19px;color:var(--brand-3);font-variant-numeric:tabular-nums;line-height:1.4;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:#9db5b1;}
.footer-col a:hover{color:var(--brand-3);text-decoration:underline;}
.footer-contact li{font-size:14px;color:#9db5b1;line-height:1.8;margin-bottom:10px;}
.footer-contact li i{width:16px;color:var(--brand-3);margin-right:6px;font-size:12px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;
  font-size:13px;color:#7f9a96;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}

/* ========== 响应式 ========== */
@media screen and (max-width:1199px){
  .nav-search input{width:132px;}
}
@media screen and (max-width:1023px){
  .main-nav{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{padding:56px 0 72px;}
  .hero-media{margin-top:26px;}
  .feature-side{margin-top:24px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .wall-row-3{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-copy{padding-right:0;margin-bottom:32px;}
}
@media screen and (max-width:639px){
  body{font-size:15px;}
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .stats-band{padding:36px 0;}
  .topbar-inner{height:38px;}
  .topbar-text{font-size:12.5px;}
  .tblock{height:24px;padding:0 7px;border-radius:8px;}
  .tblock b{font-size:12.5px;}
  .tblock i{font-size:10px;}
  .nav-inner{height:56px;gap:14px;}
  .brand-text{font-size:15.5px;}
  .brand-mark{width:28px;height:28px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .section-desc{max-width:none;}
  .section-title{padding-left:14px;font-size:22px;}
  .hero-title{font-size:28px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 auto;padding:0 18px;font-size:15px;}
  .hero-badge{right:10px;bottom:-16px;padding:12px 16px;}
  .hero-badge-num{font-size:22px;}
  .feature-main{padding:30px 24px;}
  .feature-small{padding:22px 20px;}
  .wall-row-2,.wall-row-3{grid-template-columns:1fr 1fr;gap:14px;}
  .wall-row-2{margin-bottom:14px;}
  .wall-item{border-radius:16px;}
  .wall-row-3 .wall-item img{aspect-ratio:1/1;}
  .wall-item figcaption{opacity:1;transform:none;font-size:13.5px;padding:30px 14px 14px;}
  .stats-grid{gap:14px;}
  .stat-item{padding:18px 14px;}
  .stat-num{font-size:26px;}
  .form-card{padding:24px 20px;}
  .faq-q{padding:16px 18px;font-size:15.5px;}
  .faq-a{padding:0 18px 18px 60px;font-size:14.5px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
}
@media (hover:none){
  .wall-item figcaption{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --brand:#0E9E92;
  --brand-deep:#0b8076;
  --brand-2:#35C6A4;
  --brand-3:#8FE6C6;
  --accent:#FF8A3D;
  --accent-2:#FFC46B;
  --violet:#5B4BE0;
  --bg:#F7FAF9;
  --mist:#ECF3F1;
  --card:#FFFFFF;
  --text:#37474A;
  --text-strong:#14302C;
  --muted:#7C8B89;
  --border:#E6EDEB;
  --border-soft:#DCE6E4;
  --radius-xl:24px;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(10,60,55,.08);
  --shadow-hover:0 16px 40px rgba(10,60,55,.14);
  --t:.25s cubic-bezier(.2,.7,.3,1);
  --grad-main:linear-gradient(135deg,#0E9E92 0%,#35C6A4 55%,#8FE6C6 100%);
  --grad-accent:linear-gradient(135deg,#FF8A3D 0%,#FFC46B 100%);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;border:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--t),background var(--t),border-color var(--t);}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--text-strong);font-weight:700;}
p{margin:0;}
input,textarea,select{font-family:inherit;}

/* Foundation 默认样式覆盖 */
a.button,button.button{background:var(--grad-accent);color:#fff;border-radius:999px;}
.accordion{border:0;background:transparent;}
.accordion-title{border:0;background:transparent;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:0;
  border-radius:999px;
  padding:13px 26px;
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  cursor:pointer;
  text-align:center;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn-primary{
  background-image:var(--grad-accent);
  background-size:170% 170%;
  background-position:0% 0%;
  color:#fff;
  box-shadow:0 8px 20px rgba(255,138,61,.28);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 14px 32px rgba(255,138,61,.36);
  background-position:100% 100%;
}
.btn-outline{
  background:#fff;
  color:var(--brand);
  border:1.5px solid var(--brand);
}
.btn-outline:hover{
  color:var(--brand);
  background:rgba(14,158,146,.08);
  transform:translateY(-2px);
}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible{
  outline:3px solid rgba(14,158,146,.35);
  outline-offset:2px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 12px rgba(16,60,55,.05);
}
.nav-inner{
  height:64px;
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--text-strong);
}
.brand-mark{
  display:inline-flex;
  width:34px;
  height:34px;
  align-items:center;
  justify-content:center;
  border-radius:11px;
  background:rgba(14,158,146,.08);
}
.brand-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.3px;
  color:var(--text-strong);
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 15px 10px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:#4e6360;
  transition:color var(--t),background var(--t);
}
.nav-link:hover{
  color:var(--brand);
  background:rgba(14,158,146,.07);
}
.nav-link.is-active{
  color:var(--brand);
  font-weight:600;
}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:15px;
  right:15px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--grad-main);
}
.nav-right{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:9px;
  height:40px;
  padding:0 15px;
  border-radius:999px;
  background:var(--mist);
  border:1px solid transparent;
  transition:border-color var(--t),background var(--t),box-shadow var(--t);
}
.nav-search i{color:var(--muted);font-size:13px;}
.nav-search input{
  border:0;
  outline:none;
  background:transparent;
  height:100%;
  width:186px;
  font-size:14px;
  color:var(--text);
}
.nav-search input::placeholder{color:#9aaba8;}
.nav-search:focus-within{
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(14,158,146,.12);
}
.nav-toggle{
  display:none;
  width:40px;
  height:40px;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--text-strong);
  font-size:16px;
  cursor:pointer;
  transition:background var(--t),border-color var(--t);
}
.nav-toggle:hover{background:var(--mist);border-color:var(--border-soft);}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(8,39,35,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--t),visibility var(--t);
  z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:min(320px,86vw);
  background:#fff;
  z-index:90;
  transform:translateX(103%);
  transition:transform .3s cubic-bezier(.2,.7,.3,1);
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:6px;
  overflow-y:auto;
  box-shadow:-16px 0 40px rgba(10,60,55,.18);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:14px;
}
.drawer-head span{font-size:15px;font-weight:700;color:var(--text-strong);}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--border);
  background:#fff;color:var(--text-strong);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-link{
  display:flex;
  align-items:center;
  height:48px;
  padding:0 14px;
  border-radius:12px;
  font-size:15px;
  font-weight:500;
  color:var(--text-strong);
  transition:background var(--t),color var(--t);
}
.drawer-link:hover{background:var(--mist);}
.drawer-link.is-active{
  background:rgba(14,158,146,.09);
  color:var(--brand);
  font-weight:600;
}
.drawer-cta{margin-top:16px;}

/* ============ 页面横幅 ============ */
.page-banner{padding:28px 0 0;}
.banner-card{
  position:relative;
  border-radius:var(--radius-xl);
  overflow:hidden;
  min-height:230px;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  display:flex;
  align-items:flex-end;
  padding:32px 36px;
  box-shadow:var(--shadow);
}
.banner-card::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(8,39,35,.86) 0%,rgba(8,39,35,.6) 46%,rgba(8,39,35,.22) 100%);
}
.banner-content{
  position:relative;
  z-index:2;
  color:#fff;
  max-width:780px;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.78);
  margin-bottom:14px;
}
.breadcrumb a{
  color:rgba(255,255,255,.9);
  padding:2px 0;
}
.breadcrumb a:hover{color:#8FE6C6;text-decoration:underline;}
.breadcrumb .sep{color:rgba(255,255,255,.45);}
.banner-card h1{
  color:#fff;
  font-size:clamp(30px,4vw,46px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.5px;
}
.banner-sub{
  margin-top:14px;
  font-size:15.5px;
  line-height:1.8;
  color:rgba(255,255,255,.85);
  max-width:620px;
}
.banner-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:20px;
}
.banner-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);
  font-size:13px;
  color:#eafaf6;
}

/* ============ 主体两栏 ============ */
.cat-main{padding:56px 0 72px;}
.cat-layout{
  display:grid;
  grid-template-columns:266px minmax(0,1fr);
  gap:36px;
  align-items:start;
}
.cat-side{position:sticky;top:88px;}
.side-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:22px 18px;
  box-shadow:var(--shadow);
}
.side-head{
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--muted);
  padding:0 10px;
  margin-bottom:12px;
}
.side-list li{margin-bottom:2px;}
.side-list li a{
  position:relative;
  display:block;
  padding:10px 12px 10px 20px;
  border-radius:10px;
  font-size:14.5px;
  color:#5a6f6c;
  transition:background var(--t),color var(--t);
}
.side-list li a::before{
  content:"";
  position:absolute;
  left:7px;
  top:50%;
  transform:translateY(-50%);
  width:4px;
  height:0;
  border-radius:3px;
  background:var(--grad-main);
  transition:height var(--t);
}
.side-list li a:hover{background:var(--mist);color:var(--text-strong);}
.side-list li a.is-current{
  color:var(--brand);
  font-weight:600;
  background:rgba(14,158,146,.07);
}
.side-list li a.is-current::before{height:18px;}
.side-note{
  margin-top:18px;
  padding:16px;
  border-radius:var(--radius-md);
  background:var(--mist);
  font-size:13px;
  line-height:1.8;
  color:#5d7370;
}
.side-note strong{color:var(--brand);}

/* ============ 条目流 ============ */
.flow-head{margin-bottom:26px;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--brand);
  margin-bottom:10px;
}
.section-title{
  position:relative;
  padding-left:16px;
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.3px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:.18em;
  bottom:.18em;
  width:6px;
  border-radius:4px;
  background:var(--grad-main);
}
.flow-sub{
  margin-top:12px;
  font-size:15px;
  color:var(--muted);
  max-width:720px;
}

.entry{
  display:grid;
  grid-template-columns:40% minmax(0,1fr);
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  overflow:hidden;
  margin-bottom:24px;
  box-shadow:var(--shadow);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.entry:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:#cfe6e2;
}
.entry-media{
  position:relative;
  overflow:hidden;
  min-height:236px;
  background:var(--mist);
}
.entry-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .45s cubic-bezier(.2,.7,.3,1);
}
.entry:hover .entry-media img{transform:scale(1.03);}
.entry-body{
  padding:24px 28px 26px;
  display:flex;
  flex-direction:column;
}
.entry-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:12px;
}
.entry-index{
  font-size:26px;
  font-weight:800;
  line-height:1;
  font-variant-numeric:tabular-nums;
  background-image:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(14,158,146,.1);
  color:var(--brand);
  font-size:12.5px;
  font-weight:600;
  line-height:1.6;
}
.entry-time{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--muted);
}
.entry-title{
  font-size:20px;
  font-weight:600;
  line-height:1.4;
  margin-bottom:10px;
  color:var(--text-strong);
}
.entry-desc{
  font-size:15px;
  line-height:1.85;
  color:var(--text);
}
.entry-more{
  margin-top:auto;
  padding-top:16px;
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  width:fit-content;
}
.entry-more i{font-size:12px;transition:transform var(--t);}
.entry-more:hover i{transform:translateX(4px);}

/* ============ FAQ ============ */
.faq-section{margin-top:56px;}
.faq-list{
  margin-top:24px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.faq-item{
  position:relative;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  background:var(--grad-main);
  opacity:0;
  transition:opacity var(--t);
}
.faq-item.is-open{
  border-color:#cfe6e2;
  box-shadow:var(--shadow);
}
.faq-item.is-open::before{opacity:1;}
.faq-q{
  display:flex;
  align-items:center;
  gap:14px;
  width:100%;
  padding:18px 22px;
  border:0;
  background:transparent;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--text-strong);
  cursor:pointer;
  line-height:1.5;
}
.faq-num{
  flex-shrink:0;
  width:28px;
  height:28px;
  border-radius:50%;
  background:var(--mist);
  color:var(--brand);
  font-size:13px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-variant-numeric:tabular-nums;
  transition:background var(--t),color var(--t);
}
.faq-item.is-open .faq-num{
  background-image:var(--grad-main);
  color:#fff;
}
.faq-chevron{
  margin-left:auto;
  flex-shrink:0;
  font-size:13px;
  color:var(--muted);
  transition:transform var(--t),color var(--t);
}
.faq-item.is-open .faq-chevron{
  transform:rotate(180deg);
  color:var(--brand);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s cubic-bezier(.2,.7,.3,1);
}
.faq-a-inner{
  padding:0 22px 20px 64px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--text);
}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  margin-top:52px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  padding:36px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:var(--grad-main);
}
.cta-band h3{
  font-size:20px;
  font-weight:700;
  margin-bottom:8px;
}
.cta-band p{
  font-size:14.5px;
  color:var(--muted);
  max-width:560px;
}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  margin-top:72px;
  background:#082723;
  color:#c9dbd7;
}
.site-footer::before{
  content:"";
  display:block;
  height:2px;
  background:var(--grad-main);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.4fr;
  gap:36px;
  padding:56px 0 40px;
}
.site-footer .brand-text{color:#fff;}
.footer-desc{
  margin-top:16px;
  font-size:14px;
  line-height:1.9;
  color:#9fb8b3;
  max-width:330px;
}
.footer-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:18px;
}
.footer-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:#bcd3ce;
}
.footer-badge b{
  color:var(--brand-3);
  font-size:15px;
  font-variant-numeric:tabular-nums;
}
.footer-col h3{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{
  font-size:14px;
  color:#9fb8b3;
}
.footer-col ul li a:hover{
  color:var(--brand-3);
  text-decoration:underline;
}
.footer-contact li{
  display:flex;
  gap:9px;
  align-items:flex-start;
  font-size:14px;
  line-height:1.75;
  color:#9fb8b3;
  margin-bottom:11px;
}
.footer-contact li i{
  color:var(--brand-2);
  margin-top:5px;
  font-size:13px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 28px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  font-size:13px;
  color:#7f9a95;
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .cat-layout{grid-template-columns:1fr;gap:0;}
  .cat-side{position:static;margin-bottom:28px;}
  .side-card{display:block;}
  .side-list{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:4px;
  }
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding-left:18px;padding-right:18px;}
  .nav-inner{height:56px;gap:12px;}
  .brand-text{font-size:15.5px;}
  .nav-right .btn-sm{display:none;}
  .page-banner{padding-top:18px;}
  .banner-card{min-height:200px;padding:24px 22px;border-radius:20px;}
  .banner-card h1{font-size:clamp(26px,7vw,34px);}
  .banner-sub{font-size:14.5px;}
  .cat-main{padding:36px 0 48px;}
  .entry{grid-template-columns:1fr;border-radius:20px;}
  .entry-media{min-height:0;aspect-ratio:16/9;}
  .entry-body{padding:20px 20px 22px;}
  .entry-title{font-size:18px;}
  .entry-index{font-size:22px;}
  .faq-q{font-size:16px;padding:16px 18px;gap:12px;}
  .faq-a-inner{padding:0 18px 18px 58px;font-size:15px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:26px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .side-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:40px 0 28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{margin-top:48px;}
}
@media (max-width:520px){
  .entry-meta{gap:9px;}
  .entry-index{font-size:20px;}
  .banner-tag{font-size:12px;padding:5px 11px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --brand:#0E9E92;
  --brand-deep:#0A7D73;
  --brand-2:#35C6A4;
  --brand-3:#8FE6C6;
  --accent:#FF8A3D;
  --accent-2:#FFC46B;
  --indigo:#5B4BE0;
  --bg:#F7FAF9;
  --mist:#ECF3F1;
  --card:#FFFFFF;
  --ink:#0B2B27;
  --text:#37474A;
  --muted:#7C8B89;
  --line:#E6EDEB;
  --line-soft:#DCE6E4;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 8px 24px rgba(10,60,55,.08);
  --shadow-hover:0 16px 40px rgba(10,60,55,.14);
  --grad-main:linear-gradient(135deg,#0E9E92 0%,#35C6A4 52%,#8FE6C6 100%);
  --grad-accent:linear-gradient(135deg,#FF8A3D 0%,#FFC46B 100%);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.2px}
p{margin:0}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-deep);text-decoration:none;transition:color .25s var(--ease),background-color .25s var(--ease),border-color .25s var(--ease)}
a:hover{color:var(--brand)}
button{font-family:inherit;cursor:pointer}
input,textarea{font-family:inherit;font-size:15px}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
::selection{background:rgba(14,158,146,.18)}
:focus-visible{outline:3px solid rgba(14,158,146,.35);outline-offset:2px;border-radius:6px}

/* ================= 顶部导航 ================= */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 12px rgba(16,60,55,.05);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:12px;background:rgba(14,158,146,.08)}
.brand-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.3px}
.brand:hover .brand-text{color:var(--brand-deep)}
.main-nav{display:flex;align-items:center;gap:4px;flex:1}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;
  font-size:15px;font-weight:500;color:#4A5C5F;border-radius:999px;
  transition:color .25s var(--ease),background-color .25s var(--ease);
}
.nav-link:hover{color:var(--brand-deep);background:rgba(14,158,146,.07)}
.nav-link.is-active{color:var(--brand-deep);font-weight:600;background:rgba(14,158,146,.1)}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  background:var(--mist);border:1px solid transparent;border-radius:999px;
  transition:border-color .25s var(--ease),background-color .25s var(--ease),box-shadow .25s var(--ease);
}
.nav-search i{color:var(--muted);font-size:13px}
.nav-search input{
  width:170px;height:100%;border:0;background:transparent;color:var(--text);outline:none;
}
.nav-search input::placeholder{color:#9AAAA8}
.nav-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(14,158,146,.12)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:16px;
}
.nav-toggle:hover{border-color:var(--brand-3);color:var(--brand-deep)}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.btn-primary{background:var(--grad-accent);color:#fff;box-shadow:0 10px 22px rgba(255,138,61,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,138,61,.36)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand-deep)}
.btn-ghost:hover{background:rgba(14,158,146,.08);color:var(--brand-deep)}
.btn-soft{background:var(--mist);color:var(--brand-deep)}
.btn-soft:hover{background:rgba(14,158,146,.14);color:var(--brand-deep)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ================= 面包屑 / 文章头部 ================= */
.article-hero{
  position:relative;overflow:hidden;padding:36px 0 26px;
  background:linear-gradient(180deg,#F1F8F6 0%,var(--bg) 100%);
}
.article-hero::after{
  content:"";position:absolute;right:-140px;top:-160px;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,158,146,.13) 0%,rgba(14,158,146,0) 70%);
  pointer-events:none;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--brand-deep);margin-bottom:18px;position:relative;z-index:1}
.breadcrumb a{color:var(--brand-deep);font-weight:500}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#C9D6D4}
.breadcrumb .current{color:var(--muted)}
.article-head{position:relative;z-index:1;max-width:880px}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:999px;background:rgba(14,158,146,.1);color:var(--brand-deep);
  font-size:13px;font-weight:600;letter-spacing:.2px;
}
.badge-accent{background:rgba(255,138,61,.13);color:#C25E1E}
.article-head h1{
  font-size:clamp(28px,3.4vw,44px);font-weight:800;line-height:1.2;letter-spacing:-.5px;
  margin:16px 0 18px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px;color:var(--muted)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--brand);font-size:13px}

/* ================= 正文布局 ================= */
.article-section{padding:12px 0 72px}
.article-layout{align-items:flex-start}
.article-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:38px 42px;box-shadow:var(--shadow);
  font-size:17px;line-height:1.9;color:var(--text);
}
.article-body > *:first-child{margin-top:0}
.article-body > *:last-child{margin-bottom:0}
.article-body p{margin:0 0 1.05em}
.article-body h2{
  position:relative;font-size:clamp(20px,2.1vw,26px);font-weight:700;line-height:1.35;
  padding-left:16px;margin:1.9em 0 .8em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:6px;border-radius:6px;
  background:var(--grad-main);
}
.article-body h3{font-size:19px;font-weight:600;line-height:1.45;margin:1.6em 0 .6em;color:var(--ink)}
.article-body h4{font-size:17px;font-weight:600;margin:1.3em 0 .5em;color:var(--ink)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body a{color:var(--brand-deep);border-bottom:1px solid rgba(14,158,146,.35);padding-bottom:1px}
.article-body a:hover{color:var(--brand);border-bottom-color:var(--brand)}
.article-body blockquote{
  margin:1.5em 0;padding:18px 24px;background:var(--mist);
  border-left:4px solid var(--brand);border-radius:0 14px 14px 0;color:#2C4245;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul{margin:1em 0;padding-left:0}
.article-body ul > li{position:relative;padding-left:22px;margin:.5em 0}
.article-body ul > li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--grad-main);
}
.article-body ol{counter-reset:li;margin:1em 0;padding-left:0}
.article-body ol > li{position:relative;counter-increment:li;padding-left:42px;margin:.62em 0}
.article-body ol > li::before{
  content:counter(li);position:absolute;left:0;top:.18em;width:26px;height:26px;line-height:26px;
  text-align:center;border-radius:9px;background:rgba(14,158,146,.12);
  color:var(--brand-deep);font-size:13px;font-weight:700;
}
.article-body figure{margin:1.7em 0}
.article-body figure img{border-radius:var(--r-md);width:100%}
.article-body figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:10px;line-height:1.7}
.article-body img{border-radius:var(--r-md)}
.article-body table{width:100%;margin:1.5em 0;font-size:15px;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden}
.article-body th{background:var(--mist);color:var(--ink);font-weight:600;text-align:left}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}
.article-body th:last-child,.article-body td:last-child{border-right:0}
.article-body tbody tr:nth-child(even){background:#FBFDFC}
.article-body hr{border:0;height:1px;background:var(--line);margin:2em 0}

.empty-state{
  background:var(--mist);border-radius:var(--r-lg);padding:56px 32px;text-align:center;
}
.empty-state i{font-size:34px;color:var(--brand);margin-bottom:14px;display:block}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px;padding:0}
.empty-state h2::before{display:none}
.empty-state p{color:var(--muted);max-width:520px;margin:0 auto 22px}

/* 文章尾部操作 */
.post-actions{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:24px;padding:20px 24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow);
}
.post-actions .hint{font-size:14px;color:var(--muted)}

/* ================= 侧栏 ================= */
.sidebar{position:relative}
.side-sticky{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 22px 20px;box-shadow:var(--shadow);
}
.side-card h3{
  display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;margin-bottom:14px;
}
.side-card h3 i{color:var(--brand);font-size:14px}
.toc-list li + li{margin-top:6px}
.toc-list a{
  display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;
  font-size:14px;color:#4A5C5F;position:relative;
}
.toc-list a::before{content:"";width:6px;height:6px;border-radius:50%;background:#C9D6D4;flex-shrink:0}
.toc-list a:hover{background:var(--mist);color:var(--brand-deep)}
.toc-list a:hover::before{background:var(--brand)}
.toc-list a.is-current{background:rgba(14,158,146,.1);color:var(--brand-deep);font-weight:600}
.toc-list a.is-current::before{background:var(--grad-main)}
.side-mini{display:flex;flex-direction:column;gap:12px}
.side-mini a{
  display:flex;gap:12px;align-items:flex-start;padding:10px;border-radius:12px;
  transition:background-color .25s var(--ease),transform .25s var(--ease);
}
.side-mini a:hover{background:var(--mist);transform:translateX(3px)}
.side-mini img{width:64px;height:52px;border-radius:10px;object-fit:cover;flex-shrink:0}
.side-mini b{display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;margin-bottom:4px}
.side-mini span{font-size:12px;color:var(--muted)}
.side-cta{
  background:linear-gradient(180deg,#F3FAF7 0%,#FFFFFF 100%);
  border:1px solid rgba(14,158,146,.22);border-radius:var(--r-lg);padding:22px;
}
.side-cta p{font-size:14px;color:var(--muted);margin:8px 0 16px}
.side-stat{display:flex;gap:10px;margin-top:16px}
.side-stat div{
  flex:1;background:var(--mist);border-radius:12px;padding:10px 12px;text-align:center;
}
.side-stat b{display:block;font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;
  background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent}
.side-stat span{font-size:12px;color:var(--muted)}

/* ================= 相关推荐 ================= */
.related-section{padding:0 0 76px}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px;
}
.section-label{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-deep);
  letter-spacing:.4px;margin-bottom:10px;
}
.section-label::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--grad-main)}
.section-head h2{
  position:relative;padding-left:16px;font-size:clamp(22px,2.4vw,32px);font-weight:700;line-height:1.3;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:6px;border-radius:6px;background:var(--grad-main);
}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D7E6E3}
.card-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--mist)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-media .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.92);backdrop-filter:blur(4px)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;font-weight:600;line-height:1.45;color:var(--ink)}
.card-body p{font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);margin-top:auto}
.card-foot .go{color:var(--brand-deep);font-weight:600}

/* ================= 快捷入口条 ================= */
.cta-band{padding:0 0 84px}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:linear-gradient(135deg,#0E9E92 0%,#2FBC9C 55%,#5B4BE0 130%);
  padding:44px 48px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  box-shadow:0 18px 44px rgba(10,80,72,.22);
}
.cta-inner::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22) 0%,rgba(255,255,255,0) 70%);
}
.cta-text{position:relative;z-index:1;max-width:600px}
.cta-text h2{color:#fff;font-size:clamp(22px,2.4vw,30px);font-weight:700;margin-bottom:10px}
.cta-text p{color:rgba(255,255,255,.86);font-size:15px}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px}
.btn-white{background:#fff;color:var(--brand-deep)}
.btn-white:hover{color:var(--brand-deep);transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.16)}
.btn-line{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-line:hover{background:rgba(255,255,255,.14);color:#fff}

/* ================= 页脚 ================= */
.site-footer{background:#082723;color:#B9CFCB;position:relative;padding:64px 0 0;font-size:14px}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad-main)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;padding-bottom:44px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-mark{background:rgba(255,255,255,.08)}
.footer-desc{margin:18px 0 18px;color:#9FBBB6;line-height:1.85;max-width:340px}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px}
.footer-badge{
  display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.07);color:#CFE3DF;font-size:12.5px;
}
.footer-badge b{font-size:16px;font-variant-numeric:tabular-nums;
  background:linear-gradient(135deg,#8FE6C6,#35C6A4);-webkit-background-clip:text;background-clip:text;color:transparent}
.footer-col h3{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col li + li{margin-top:10px}
.footer-col a{color:#A9C5C0;font-size:14px}
.footer-col a:hover{color:var(--brand-3);text-decoration:underline}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:#A9C5C0;line-height:1.75}
.footer-contact i{color:var(--brand-2);margin-top:5px;font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#7E9C97;
}

/* ================= 响应式 ================= */
@media screen and (max-width:1023px){
  .nav-inner{gap:16px}
  .main-nav{
    position:fixed;top:0;right:0;width:280px;height:100vh;background:#fff;
    flex-direction:column;align-items:stretch;gap:4px;padding:80px 18px 24px;
    box-shadow:-12px 0 40px rgba(10,60,55,.16);
    transform:translateX(105%);transition:transform .3s var(--ease);z-index:80;
  }
  .main-nav.is-open{transform:translateX(0)}
  .main-nav .nav-link{height:48px;border-radius:12px;font-size:16px}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-search{display:none}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .article-body{padding:30px 28px;font-size:16.5px}
  .side-sticky{position:static}
}
@media screen and (max-width:767px){
  .container{padding:0 18px}
  .nav-inner{height:56px}
  .brand-text{font-size:16px}
  .nav-right .btn{display:none}
  .article-hero{padding:26px 0 18px}
  .article-section{padding-bottom:52px}
  .article-body{padding:24px 20px;border-radius:var(--r-lg);font-size:16px;line-height:1.88}
  .post-actions{padding:16px 18px}
  .related-section{padding-bottom:56px}
  .related-grid{grid-template-columns:1fr;gap:16px}
  .cta-band{padding-bottom:60px}
  .cta-inner{padding:30px 24px;border-radius:var(--r-lg)}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px}
  .site-footer{padding-top:48px}
}
@media screen and (max-width:520px){
  .article-head h1{font-size:26px}
  .related-grid{grid-template-columns:1fr}
  .side-mini img{width:56px;height:48px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --brand:#0E9E92;
  --brand-deep:#0B7E74;
  --brand-2:#35C6A4;
  --brand-3:#8FE6C6;
  --accent:#FF8A3D;
  --accent-2:#FFC46B;
  --violet:#5B4BE0;
  --bg:#F7FAF9;
  --mist:#ECF3F1;
  --card:#FFFFFF;
  --text:#37474A;
  --ink:#0F2E2A;
  --muted:#7C8B89;
  --line:#E6EDEB;
  --line-strong:#DCE6E4;
  --grad-main:linear-gradient(135deg,#0E9E92 0%,#35C6A4 52%,#8FE6C6 100%);
  --grad-accent:linear-gradient(135deg,#FF8A3D 0%,#FFC46B 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(10,60,55,.08);
  --sh-hover:0 16px 40px rgba(10,60,55,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:.25s;
  --sec-y:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease),border-color var(--dur) var(--ease)}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
input,textarea,select{font:inherit;color:var(--text)}
:focus-visible{outline:3px solid rgba(14,158,146,.35);outline-offset:2px;border-radius:8px}
::selection{background:rgba(14,158,146,.18)}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:var(--sec-y) 0}
.section--mist{background:var(--mist)}
.section--tight{padding:64px 0}

/* ---------- 倒计时条 ---------- */
.countdown-bar{
  background-image:var(--grad-main);
  color:#fff;
  font-size:13.5px;
  letter-spacing:.02em;
}
.countdown-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:40px;
  padding-top:6px;
  padding-bottom:6px;
}
.countdown-text{display:inline-flex;align-items:center;gap:8px;font-weight:600;white-space:nowrap}
.countdown-text i{font-size:12px;opacity:.9}
.countdown-clock{display:flex;align-items:center;gap:6px;font-weight:600}
.cd-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:36px;
  height:26px;
  padding:0 8px;
  border-radius:8px;
  background:rgba(255,255,255,.9);
  color:#0B6B64;
  font-variant-numeric:tabular-nums;
  font-size:13.5px;
}
.cd-label{font-size:12px;opacity:.9;margin-right:4px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 12px rgba(16,60,55,.05);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:64px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{display:inline-flex;width:32px;height:32px}
.brand-text{
  font-size:18px;
  font-weight:800;
  letter-spacing:-.3px;
  color:var(--ink);
}
.brand:hover .brand-text{color:var(--brand-deep)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:64px;
  padding:0 14px;
  font-size:15.5px;
  font-weight:600;
  color:#405A57;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:14px;
  height:3px;
  border-radius:var(--r-pill);
  background-image:var(--grad-main);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform var(--dur) var(--ease);
}
.nav-link:hover{color:var(--brand-deep)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-deep)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 14px;
  min-width:232px;
  border-radius:var(--r-pill);
  background:var(--mist);
  border:1px solid transparent;
  transition:border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.nav-search i{color:var(--muted);font-size:13px}
.nav-search input{
  border:0;
  background:transparent;
  outline:none;
  width:100%;
  font-size:14px;
  color:var(--text);
}
.nav-search input::placeholder{color:#96A5A3}
.nav-search:focus-within{border-color:rgba(14,158,146,.6);background:#fff}
.nav-toggle{
  display:none;
  width:40px;
  height:40px;
  border-radius:var(--r-sm);
  align-items:center;
  justify-content:center;
  color:var(--ink);
  border:1px solid var(--line);
  background:#fff;
}
.nav-toggle:hover{background:var(--mist)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15.5px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn-primary{
  background-image:var(--grad-accent);
  color:#fff;
  box-shadow:0 10px 24px rgba(255,138,61,.28);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 16px 34px rgba(255,138,61,.36);
}
.btn-ghost{
  border:1.5px solid var(--brand);
  color:var(--brand-deep);
  background:transparent;
}
.btn-ghost:hover{
  background:rgba(14,158,146,.08);
  color:var(--brand-deep);
  transform:translateY(-2px);
}
.btn-light{
  background:#fff;
  color:var(--ink);
  box-shadow:0 10px 24px rgba(0,0,0,.12);
}
.btn-light:hover{color:var(--ink);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:active{transform:translateY(0)}

/* ---------- 通用标签 / 小节标题 ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(14,158,146,.1);
  color:var(--brand-deep);
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--mist);
  color:var(--brand-deep);
  font-size:12.5px;
  font-weight:700;
}
.tag--accent{background:rgba(255,138,61,.12);color:#C85E17}
.tag--violet{background:rgba(91,75,224,.1);color:#4536C4}

.sec-head{max-width:760px;margin-bottom:44px}
.sec-index{
  display:block;
  margin-bottom:12px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--brand);
  text-transform:uppercase;
}
.sec-head h2{
  position:relative;
  padding-left:18px;
  font-size:clamp(24px,2.6vw,34px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.4px;
  color:var(--ink);
}
.sec-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:7px;
  bottom:7px;
  width:6px;
  border-radius:var(--r-pill);
  background-image:var(--grad-main);
}
.sec-desc{margin-top:16px;font-size:16px;color:var(--muted);line-height:1.85}
.sec-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;flex-wrap:wrap}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--brand);
  padding:22px 0 0;
}
.breadcrumb a{color:var(--brand);font-weight:600}
.breadcrumb a:hover{color:var(--brand-deep);text-decoration:underline}
.breadcrumb .sep{color:#C9D6D4}
.breadcrumb .current{color:var(--muted)}

/* ---------- 分类横幅 ---------- */
.cat-hero{
  position:relative;
  padding:40px 0 64px;
  background-image:
    linear-gradient(112deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.9) 44%,rgba(14,158,146,.16) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center right;
  border-bottom:1px solid var(--line);
}
.cat-hero-inner{max-width:720px;padding:32px 0 8px}
.cat-hero h1{
  margin:18px 0 0;
  font-size:clamp(30px,4vw,52px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.5px;
  color:var(--ink);
}
.cat-hero .lead{
  margin-top:18px;
  font-size:clamp(16px,1.4vw,18px);
  line-height:1.8;
  color:#3F5B58;
  max-width:640px;
}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero-note{display:flex;align-items:center;gap:8px;margin-top:20px;font-size:13px;color:var(--muted)}
.hero-note i{color:var(--brand)}

/* ---------- 编号步骤列表 ---------- */
.step-list{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh);
}
.step-row{
  display:grid;
  grid-template-columns:96px 1fr 44px;
  align-items:center;
  gap:24px;
  padding:26px 32px;
  border-bottom:1px solid var(--line);
  transition:background-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.step-row:last-child{border-bottom:0}
.step-row:hover{background:var(--mist);transform:translateX(4px)}
.step-num{
  font-size:clamp(28px,3vw,40px);
  font-weight:800;
  line-height:1;
  font-variant-numeric:tabular-nums;
  background-image:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.step-body h3{font-size:18px;font-weight:700;color:var(--ink);line-height:1.4}
.step-body p{margin-top:6px;font-size:14.5px;color:var(--muted);line-height:1.7}
.step-arrow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:var(--r-pill);
  border:1.5px solid var(--line-strong);
  color:var(--brand);
  font-size:13px;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.step-row:hover .step-arrow{background-image:var(--grad-accent);border-color:transparent;color:#fff}

/* ---------- 适用场景卡片 ---------- */
.scene-grid{margin-top:8px}
.scene-card{
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:28px 26px;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.scene-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:46px;
  height:46px;
  border-radius:14px;
  background:linear-gradient(135deg,rgba(14,158,146,.14),rgba(143,230,198,.34));
  color:var(--brand-deep);
  font-size:18px;
  margin-bottom:18px;
}
.scene-card h3{font-size:19px;font-weight:700;color:var(--ink);line-height:1.4}
.scene-card p{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.85}
.scene-card ul{margin-top:16px;display:grid;gap:8px}
.scene-card li{
  display:flex;
  align-items:flex-start;
  gap:8px;
  font-size:14.5px;
  color:#4A6360;
}
.scene-card li i{color:var(--brand);font-size:12px;margin-top:7px}

/* ---------- 数据徽章 ---------- */
.badge-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
  margin-top:8px;
}
.stat-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px 26px;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--sh)}
.stat-num{
  display:block;
  font-size:clamp(28px,3vw,38px);
  font-weight:800;
  line-height:1.1;
  font-variant-numeric:tabular-nums;
  background-image:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.stat-label{
  display:block;
  margin-top:8px;
  font-size:13px;
  color:var(--muted);
  letter-spacing:.02em;
}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
  padding:52px 48px;
  border-radius:var(--r-lg);
  color:#fff;
  overflow:hidden;
  background-image:
    linear-gradient(102deg,rgba(8,39,35,.9) 0%,rgba(11,126,116,.82) 58%,rgba(14,158,146,.66) 100%),
    url('/assets/images/coverpic/cover-5.webp');
  background-size:cover;
  background-position:center;
  box-shadow:0 18px 44px rgba(8,39,35,.22);
}
.cta-band h2{
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;
  line-height:1.28;
  letter-spacing:-.4px;
  color:#fff;
}
.cta-band p{margin-top:12px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.86);max-width:560px}
.cta-band .eyebrow{background:rgba(255,255,255,.16);color:#fff}
.cta-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.7);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}

/* ---------- FAQ ---------- */
.faq-list{margin:0}
.faq-item{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.faq-item:hover{border-color:var(--line-strong);box-shadow:var(--sh)}
.faq-item:last-child{margin-bottom:0}
.faq-item.is-active{border-color:rgba(14,158,146,.34)}
.faq-item.is-active::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:4px;
  background-image:var(--grad-main);
}
.accordion-title.faq-q{
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 24px 20px 20px;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  border:0;
  background:transparent;
}
.accordion-title.faq-q:hover{background:transparent;color:var(--brand-deep)}
.accordion-title.faq-q::before{display:none !important;content:none !important}
.accordion-title.faq-q::after{
  content:"\f107";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  margin-left:auto;
  font-size:14px;
  color:var(--muted);
  transition:transform var(--dur) var(--ease),color var(--dur) var(--ease);
}
.faq-item.is-active .faq-q::after{transform:rotate(180deg);color:var(--brand)}
.faq-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 28px;
  width:28px;
  height:28px;
  border-radius:var(--r-pill);
  background:var(--mist);
  color:var(--brand-deep);
  font-size:12.5px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.accordion-content.faq-a{
  padding:0 24px 22px 62px;
  border:0;
  background:transparent;
  font-size:15.5px;
  line-height:1.9;
  color:var(--text);
}
.faq-a p + p{margin-top:10px}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:#082723;
  color:#C6D8D4;
  margin-top:0;
  padding-top:2px;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background-image:var(--grad-main);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:44px;
  padding:64px 0 44px;
}
.footer-brand .brand-text{color:#fff}
.footer-desc{margin-top:18px;font-size:14.5px;line-height:1.9;color:rgba(198,216,212,.82);max-width:340px}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.footer-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);
  font-size:12.5px;
  color:rgba(198,216,212,.9);
}
.footer-badge b{color:var(--brand-3);font-size:14px;font-variant-numeric:tabular-nums}
.footer-col h3{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14.5px;color:rgba(198,216,212,.86)}
.footer-col a:hover{color:var(--brand-3);text-decoration:underline}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(198,216,212,.86);line-height:1.7}
.footer-contact i{margin-top:6px;color:var(--brand-3);font-size:13px}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:20px 0 26px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:rgba(198,216,212,.66);
}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(8,39,35,.42);
  opacity:0;
  pointer-events:none;
  transition:opacity var(--dur) var(--ease);
  z-index:70;
}
body.drawer-open .drawer-mask{opacity:1;pointer-events:auto}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  z-index:80;
  width:min(320px,84vw);
  height:100%;
  background:#fff;
  padding:22px 22px 32px;
  transform:translateX(102%);
  transition:transform .3s var(--ease);
  box-shadow:-18px 0 40px rgba(8,39,35,.18);
  overflow-y:auto;
}
body.drawer-open .mobile-drawer{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{
  width:38px;height:38px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink);
}
.drawer-close:hover{background:var(--mist)}
.drawer-nav{display:grid;gap:6px;margin-bottom:22px}
.drawer-nav a{
  display:flex;
  align-items:center;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-sm);
  font-size:15.5px;
  font-weight:600;
  color:#33514E;
}
.drawer-nav a:hover{background:var(--mist);color:var(--brand-deep)}
.drawer-nav a.is-active{background:rgba(14,158,146,.1);color:var(--brand-deep)}
.drawer-cta{width:100%}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  :root{--sec-y:76px}
}
@media screen and (max-width:1023px){
  :root{--sec-y:64px}
  .main-nav{display:none}
  .nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{gap:14px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;padding:52px 0 36px}
  .footer-brand{grid-column:1 / -1}
  .footer-desc{max-width:none}
  .cat-hero{padding:26px 0 48px}
  .cta-band{padding:40px 32px}
}
@media screen and (max-width:767px){
  :root{--sec-y:48px}
  .container{padding-left:18px;padding-right:18px}
  .countdown-inner{gap:10px;min-height:36px}
  .countdown-text{font-size:12.5px}
  .cd-num{min-width:30px;height:24px;font-size:12.5px;padding:0 6px}
  .cd-label{display:none}
  .nav-inner{min-height:56px}
  .brand-text{font-size:16.5px}
  .nav-right .btn-primary{height:36px;padding:0 14px;font-size:13.5px}
  .cat-hero-inner{padding:22px 0 0}
  .cat-hero h1{margin-top:14px}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .step-row{
    grid-template-columns:52px 1fr;
    gap:16px;
    padding:20px 18px;
  }
  .step-row:hover{transform:translateX(0)}
  .step-arrow{display:none}
  .step-body h3{font-size:16.5px}
  .step-body p{font-size:14px}
  .badge-grid{gap:14px}
  .stat-card{padding:20px 18px}
  .cta-band{padding:32px 22px;border-radius:var(--r-md)}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .accordion-title.faq-q{font-size:15.5px;padding:16px 18px 16px 16px}
  .accordion-content.faq-a{padding:0 18px 18px 58px;font-size:15px}
  .sec-head{margin-bottom:32px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
}
@media screen and (max-width:520px){
  body{font-size:15.5px}
  .badge-grid{grid-template-columns:1fr}
  .footer-bottom{justify-content:flex-start}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}