/* roulang page: index */
:root{
  --brand-1:#16C47F;
  --brand-2:#0FB5C9;
  --brand-grad:linear-gradient(135deg,#16C47F,#0FB5C9);
  --accent:#FF7A2F;
  --accent-dark:#F06818;
  --ink:#101A1C;
  --ink-soft:#1B282B;
  --slate:#55636A;
  --mist:#E6EAE9;
  --warm:#F7F9F8;
  --white:#FFFFFF;
  --r-card:22px;
  --r-hero:28px;
  --r-img:16px;
  --r-pill:999px;
  --r-input:14px;
  --sh-card:0 1px 2px rgba(16,26,28,.04),0 8px 24px rgba(16,26,28,.06);
  --sh-hover:0 12px 32px rgba(16,26,28,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Inter","DIN Alternate",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--slate);
  background:var(--warm);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{color:var(--ink);font-weight:800;line-height:1.28;margin:0;}
h1{font-size:clamp(28px,4.4vw,48px);}
h2{font-size:clamp(23px,2.6vw,30px);}
h3{font-size:clamp(18px,1.6vw,20px);}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
img{display:block;max-width:100%;}
ul,ol{list-style:none;margin:0;padding:0;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}
:focus-visible{outline:3px solid rgba(15,181,201,.45);outline-offset:2px;border-radius:10px;}
.container{--bs-gutter-x:28px;max-width:1296px;margin:0 auto;padding-left:28px;padding-right:28px;width:100%;}
.section{padding:88px 0;}
.section-tight{padding:72px 0;}
.divider-line{height:1px;background:var(--mist);border:0;margin:0;opacity:1;}

/* ---------- 按钮 ---------- */
.btn-x{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;padding:12px 26px;line-height:1.2;transition:all .24s var(--ease);white-space:nowrap;}
.btn-x i{transition:transform .24s var(--ease);font-size:13px;}
.btn-x:hover i{transform:translateX(3px);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,122,47,.28);}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,122,47,.36);}
.btn-brand{background:var(--brand-grad);color:#fff;box-shadow:0 6px 18px rgba(15,181,201,.26);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,181,201,.34);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid rgba(16,26,28,.28);}
.btn-ghost:hover{background:rgba(15,181,201,.1);border-color:var(--brand-2);color:var(--ink);}
.btn-ghost-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7);}
.btn-ghost-light:hover{background:rgba(255,255,255,.16);color:#fff;border-color:#fff;}
.btn-white{background:#fff;color:var(--ink);box-shadow:0 6px 18px rgba(16,26,28,.14);}
.btn-white:hover{background:#fff;color:var(--ink);transform:translateY(-2px);}
.btn-line-white{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.75);}
.btn-line-white:hover{background:rgba(255,255,255,.16);color:#fff;}
.btn-sm-x{padding:9px 20px;font-size:14px;}

/* ---------- 徽章 ---------- */
.badge-x{display:inline-flex;align-items:center;gap:6px;border-radius:var(--r-pill);font-size:13px;
  font-weight:700;padding:5px 13px;line-height:1.5;letter-spacing:.2px;}
.badge-brand{background:var(--brand-grad);color:#fff;}
.badge-soft{background:rgba(15,181,201,.12);color:#0A8A9B;}
.badge-mist{background:var(--mist);color:var(--ink);}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--mist);
  transition:box-shadow .24s var(--ease);}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(16,26,28,.09);}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:78px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--brand-grad);position:relative;flex:0 0 34px;
  box-shadow:0 6px 14px rgba(15,181,201,.3);}
.brand-mark::after{content:"";position:absolute;left:50%;top:50%;width:13px;height:13px;border-radius:3px;
  background:rgba(255,255,255,.92);transform:translate(-50%,-50%) rotate(45deg);}
.brand-text{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:.4px;}
.nav-menu{display:flex;align-items:center;gap:24px;}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-link{position:relative;display:inline-block;padding:10px 16px;font-size:15.5px;font-weight:600;color:var(--slate);}
.nav-link::after{content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;border-radius:2px;
  background:var(--brand-grad);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);}
.nav-link:hover{color:var(--ink);transform:translateY(2px);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:800;}
.nav-cta{height:44px;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--mist);background:#fff;border-radius:12px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:all .24s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Hero ---------- */
.hero-wrap{padding:36px 0 0;}
.hero-card{position:relative;border-radius:var(--r-hero);background:var(--brand-grad);overflow:hidden;
  padding:52px 48px 104px;box-shadow:0 24px 60px rgba(15,181,201,.24);}
.hero-card::before{content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:rgba(255,255,255,.1);pointer-events:none;}
.hero-card::after{content:"";position:absolute;left:-90px;bottom:-160px;width:340px;height:340px;border-radius:50%;
  background:rgba(255,255,255,.07);pointer-events:none;}
.hero-inner{position:relative;z-index:2;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.2);
  border:1px solid rgba(255,255,255,.42);color:#fff;border-radius:var(--r-pill);font-size:13px;font-weight:700;
  padding:6px 15px;backdrop-filter:blur(6px);}
.hero-eyebrow i{font-size:11px;}
.hero-title{color:#fff;margin-top:22px;letter-spacing:.5px;text-shadow:0 2px 16px rgba(6,60,64,.22);}
.hero-sub{color:#fff;font-size:clamp(17px,1.7vw,21px);font-weight:700;margin-top:14px;opacity:.97;}
.hero-desc{color:rgba(255,255,255,.92);font-size:16px;margin-top:16px;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:0 18px 40px rgba(6,60,64,.26);}
.hero-media img{width:100%;height:400px;object-fit:cover;border-radius:20px;}
.hero-badges{position:absolute;right:42px;bottom:38px;display:flex;gap:10px;flex-wrap:wrap;z-index:3;}
.hero-badge{display:flex;align-items:center;gap:9px;background:rgba(255,255,255,.9);border-radius:var(--r-pill);
  padding:8px 16px;backdrop-filter:blur(6px);box-shadow:0 8px 20px rgba(6,60,64,.16);}
.hero-badge b{font-family:var(--font-num);font-size:18px;font-weight:800;color:var(--ink);line-height:1;}
.hero-badge span{font-size:12.5px;color:var(--slate);font-weight:600;line-height:1;}

/* ---------- 区块标题 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head .sh-left{min-width:0;}
.section-index{display:block;font-family:var(--font-num);font-size:13px;font-weight:800;color:var(--brand-2);
  letter-spacing:2px;margin-bottom:8px;}
.section-head h2{position:relative;padding-left:18px;}
.section-head h2::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:22px;border-radius:2px;background:var(--brand-grad);}
.section-head .sh-sub{margin-top:10px;padding-left:18px;font-size:15px;color:var(--slate);}
.more-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:700;color:var(--ink);
  position:relative;padding-bottom:3px;}
.more-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--brand-grad);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);}
.more-link:hover::after{transform:scaleX(1);}
.more-link i{font-size:12px;transition:transform .24s var(--ease);}
.more-link:hover i{transform:translateX(3px);}

/* ---------- 目录卡 ---------- */
.index-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--mist);
  border-radius:var(--r-card);padding:26px 24px 22px;box-shadow:var(--sh-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);}
.index-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.index-num{font-family:var(--font-num);font-size:34px;font-weight:800;line-height:1;color:#DCE3E2;
  transition:color .24s var(--ease);letter-spacing:-1px;}
.index-card:hover .index-num{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;}
.index-card h3{margin-top:16px;font-size:19px;}
.index-card p{margin-top:10px;font-size:14.5px;line-height:1.75;color:var(--slate);flex:1;}
.index-foot{display:flex;align-items:center;justify-content:space-between;margin-top:20px;padding-top:16px;
  border-top:1px solid var(--mist);}
.index-foot .go{color:var(--brand-2);font-size:14px;transition:transform .24s var(--ease);}
.index-card:hover .index-foot .go{transform:translateX(4px);}

/* ---------- 精选条目 ---------- */
.feature-wide{display:flex;height:100%;background:#fff;border:1px solid var(--mist);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);transition:transform .24s var(--ease),box-shadow .24s var(--ease);}
.feature-wide:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.feature-wide .fw-media{flex:0 0 42%;overflow:hidden;}
.feature-wide .fw-media img{width:100%;height:100%;min-height:320px;object-fit:cover;transition:transform .5s var(--ease);}
.feature-wide:hover .fw-media img{transform:scale(1.05);}
.feature-wide .fw-body{padding:30px 30px 26px;display:flex;flex-direction:column;}
.feature-wide h3{margin-top:16px;font-size:23px;}
.feature-wide h3 a:hover{color:var(--brand-2);}
.feature-wide p{margin-top:14px;font-size:15px;line-height:1.8;flex:1;}
.feature-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:22px;
  padding-top:18px;border-top:1px solid var(--mist);font-size:13.5px;}
.feature-foot .read{font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:6px;}
.feature-foot .read i{font-size:12px;transition:transform .24s var(--ease);}
.feature-wide:hover .feature-foot .read i{transform:translateX(3px);}
.feature-sm{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--mist);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);}
.feature-sm:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.feature-sm .fs-media{overflow:hidden;}
.feature-sm .fs-media img{width:100%;height:158px;object-fit:cover;transition:transform .5s var(--ease);}
.feature-sm:hover .fs-media img{transform:scale(1.05);}
.feature-sm .fs-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.feature-sm h3{margin-top:12px;font-size:17.5px;line-height:1.45;}
.feature-sm h3 a:hover{color:var(--brand-2);}
.feature-sm p{margin-top:10px;font-size:14px;line-height:1.7;flex:1;}
.feature-sm .fs-foot{margin-top:14px;font-size:13px;color:#879498;display:flex;align-items:center;gap:8px;}

/* ---------- 内容列表 ---------- */
.post-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.post-item{display:flex;align-items:flex-start;gap:18px;background:#fff;border:1px solid var(--mist);
  border-radius:var(--r-card);padding:24px 26px;box-shadow:var(--sh-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);}
.post-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.post-main{min-width:0;flex:1;}
.post-title{display:block;font-size:17.5px;font-weight:800;color:var(--ink);line-height:1.5;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.post-title:hover{color:var(--brand-2);}
.post-summary{margin-top:10px;font-size:14.5px;line-height:1.75;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.post-meta{display:flex;align-items:center;gap:12px;margin-top:16px;flex-wrap:wrap;}
.post-time{font-size:13px;color:#879498;}
.post-arrow{width:40px;height:40px;flex:0 0 40px;border-radius:50%;background:var(--warm);
  display:flex;align-items:center;justify-content:center;color:var(--brand-2);font-size:13px;
  transition:all .24s var(--ease);}
.post-item:hover .post-arrow{background:var(--brand-grad);color:#fff;transform:translateX(3px);}
.empty-state{background:#fff;border:1px solid var(--mist);border-radius:var(--r-card);padding:56px 24px;
  text-align:center;box-shadow:var(--sh-card);}
.empty-icon{width:120px;height:120px;margin:0 auto 20px;border-radius:50%;background:rgba(15,181,201,.1);
  display:flex;align-items:center;justify-content:center;color:var(--brand-2);font-size:38px;}
.empty-state p{font-size:15px;color:var(--slate);}
.empty-state .more-link{margin-top:14px;}

/* ---------- 相关推荐 ---------- */
.scroll-wrap{display:flex;gap:26px;align-items:stretch;}
.scroll-label{flex:0 0 auto;display:flex;align-items:center;justify-content:center;writing-mode:vertical-rl;
  letter-spacing:6px;font-size:14px;font-weight:800;color:var(--ink);background:#fff;border:1px solid var(--mist);
  border-radius:var(--r-card);padding:18px 12px;box-shadow:var(--sh-card);}
.scroll-track{display:flex;gap:18px;overflow-x:auto;padding:4px 4px 12px;scrollbar-width:none;flex:1;}
.scroll-track::-webkit-scrollbar{display:none;}
.mini-card{flex:0 0 260px;width:260px;background:#fff;border:1px solid var(--mist);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);transition:transform .24s var(--ease),box-shadow .24s var(--ease);}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.mini-card img{width:100%;height:140px;object-fit:cover;}
.mini-card .mini-body{padding:18px 20px 20px;}
.mini-card h3{margin-top:12px;font-size:16.5px;line-height:1.45;}
.mini-card p{margin-top:8px;font-size:13.5px;line-height:1.7;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}

/* ---------- 深色数据面板 ---------- */
.dark-panel{background:var(--ink);border-radius:var(--r-hero);padding:56px 48px;color:rgba(255,255,255,.78);
  position:relative;overflow:hidden;box-shadow:0 22px 50px rgba(16,26,28,.26);}
.dark-panel::before{content:"";position:absolute;right:-100px;top:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,196,127,.28),transparent 68%);}
.dark-panel h2{color:#fff;margin-top:18px;}
.dark-panel .panel-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:#fff;
  background:rgba(22,196,127,.22);border:1px solid rgba(22,196,127,.5);border-radius:var(--r-pill);padding:5px 14px;}
.dark-panel p{margin-top:16px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.72);}
.stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;position:relative;z-index:2;}
.stat-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:18px;
  padding:22px 22px;transition:background .24s var(--ease),border-color .24s var(--ease);}
.stat-card:hover{background:rgba(255,255,255,.1);border-color:rgba(22,196,127,.5);}
.stat-card b{display:block;font-family:var(--font-num);font-size:30px;font-weight:800;color:#fff;line-height:1.1;
  letter-spacing:-.5px;}
.stat-card b em{font-style:normal;font-size:16px;color:var(--brand-1);margin-left:2px;}
.stat-card span{display:block;margin-top:10px;font-size:14px;color:rgba(255,255,255,.68);line-height:1.6;}

/* ---------- 证据 / 评价 ---------- */
.voice-card{height:100%;background:#fff;border:1px solid var(--mist);border-radius:var(--r-card);padding:26px 26px 24px;
  box-shadow:var(--sh-card);transition:transform .24s var(--ease),box-shadow .24s var(--ease);}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.voice-quote{font-size:15px;line-height:1.85;color:var(--slate);}
.voice-foot{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--mist);}
.voice-avatar{width:42px;height:42px;border-radius:50%;background:var(--brand-grad);color:#fff;font-weight:800;
  display:flex;align-items:center;justify-content:center;font-size:15px;flex:0 0 42px;}
.voice-foot strong{display:block;font-size:14.5px;color:var(--ink);}
.voice-foot small{font-size:12.5px;color:#879498;}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{background:#fff;border:1px solid var(--mist);border-radius:18px;overflow:hidden;
  margin-bottom:12px;box-shadow:var(--sh-card);position:relative;}
.faq-acc .accordion-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--brand-grad);
  transform:scaleY(0);transform-origin:top;transition:transform .24s var(--ease);}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed))::before{transform:scaleY(1);}
.faq-acc .accordion-button{background:#fff;border:0;box-shadow:none!important;font-size:17px;font-weight:600;
  color:var(--ink);padding:22px 26px;line-height:1.55;}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-2);}
.faq-acc .accordion-button::after{background-image:none;content:"\f067";font-family:"Font Awesome 6 Free";
  font-weight:900;font-size:13px;width:auto;height:auto;color:var(--slate);transition:transform .24s var(--ease);}
.faq-acc .accordion-button:not(.collapsed)::after{content:"\f068";color:var(--brand-2);transform:none;}
.faq-acc .accordion-body{padding:0 26px 24px;font-size:15px;line-height:1.85;color:var(--slate);}

/* ---------- CTA 条 ---------- */
.cta-band{border-radius:var(--r-hero);background:var(--brand-grad);padding:48px 48px;position:relative;overflow:hidden;
  box-shadow:0 22px 52px rgba(15,181,201,.28);}
.cta-band::before{content:"";position:absolute;left:-80px;top:-120px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.1);}
.cta-band h2{color:#fff;position:relative;z-index:2;}
.cta-band p{color:rgba(255,255,255,.9);margin-top:14px;font-size:15.5px;position:relative;z-index:2;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}
.cta-right{display:flex;flex-direction:column;align-items:flex-end;gap:12px;justify-content:center;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.66);margin-top:88px;position:relative;}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--brand-grad);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px;}
.footer-brand .footer-logo{display:flex;align-items:center;gap:12px;}
.footer-brand .brand-text{color:#fff;font-size:19px;}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.6);max-width:360px;}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:18px;font-weight:800;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.62);position:relative;}
.footer-col a:hover{color:var(--brand-1);}
.footer-col li span{font-size:14.5px;color:rgba(255,255,255,.62);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0 26px;font-size:13px;
  text-align:center;color:rgba(255,255,255,.5);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:991.98px){
  .section{padding:70px 0;}
  .hero-card{padding:40px 32px 100px;}
  .hero-media img{height:340px;}
  .hero-badges{right:32px;bottom:30px;}
  .dark-panel,.cta-band{padding:40px 32px;}
  .feature-wide{flex-direction:column;}
  .feature-wide .fw-media{flex:0 0 auto;}
  .feature-wide .fw-media img{min-height:0;height:250px;}
  .post-list{grid-template-columns:1fr;}
  .cta-right{align-items:flex-start;margin-top:26px;}
}
@media (max-width:767.98px){
  .nav-toggle{display:flex;}
  .nav-menu{position:absolute;left:0;right:0;top:78px;background:#fff;flex-direction:column;align-items:stretch;
    gap:0;padding:14px 20px 22px;border-bottom:1px solid var(--mist);box-shadow:0 18px 30px rgba(16,26,28,.12);
    display:none;}
  .nav-menu.is-open{display:flex;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-link{padding:14px 4px;font-size:16px;border-bottom:1px solid var(--mist);}
  .nav-link::after{left:4px;right:auto;width:44px;bottom:8px;}
  .nav-cta{width:100%;margin-top:16px;}
  .hero-wrap{padding-top:22px;}
  .hero-card{padding:30px 22px 28px;border-radius:var(--r-card);}
  .hero-badges{position:static;margin-top:24px;justify-content:flex-start;right:auto;bottom:auto;}
  .hero-badge{padding:7px 13px;}
  .hero-badge b{font-size:16px;}
  .hero-media img{height:230px;margin-top:26px;}
  .hero-actions .btn-x{width:100%;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:26px;}
  .dark-panel,.cta-band{padding:32px 22px;border-radius:var(--r-card);}
  .stat-grid{grid-template-columns:1fr;}
  .scroll-label{display:none;}
  .mini-card{flex:0 0 230px;width:230px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding:48px 0 30px;}
  .faq-acc .accordion-button{padding:18px 20px;font-size:15.5px;}
  .faq-acc .accordion-body{padding:0 20px 20px;}
}
@media (max-width:575.98px){
  body{font-size:16px;}
  .container{padding-left:18px;padding-right:18px;}
  .post-item{padding:20px 18px;gap:12px;}
  .feature-wide .fw-body{padding:22px 20px 20px;}
  .voice-card{padding:22px 20px;}
}

/* roulang page: article */
:root{
  --brand-a:#16C47F;
  --brand-b:#0FB5C9;
  --brand-grad:linear-gradient(135deg,#16C47F,#0FB5C9);
  --accent:#FF7A2F;
  --ink:#101A1C;
  --slate:#55636A;
  --line:#E6EAE9;
  --bg:#F7F9F8;
  --soft:#EAF8F6;
  --card:#FFFFFF;
  --r-card:22px;
  --r-hero:28px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(16,26,28,.04),0 8px 24px rgba(16,26,28,.06);
  --shadow-2:0 12px 32px rgba(16,26,28,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-num:"Inter","DIN Alternate",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--slate);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.28;font-weight:800;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,.nav-link:focus-visible{outline:3px solid rgba(15,181,201,.45);outline-offset:2px;border-radius:8px;}
.container{max-width:1240px;padding-left:28px;padding-right:28px;margin:0 auto;}

/* ---------- 阅读进度条 ---------- */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--brand-grad);z-index:1200;transition:width .08s linear;}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .24s var(--ease);}
.site-header.is-scrolled{box-shadow:0 8px 28px rgba(16,26,28,.09);}
.nav-bar{position:relative;display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{position:relative;width:34px;height:34px;border-radius:11px;background:var(--brand-grad);box-shadow:0 6px 16px rgba(15,181,201,.28);flex:0 0 auto;}
.brand-mark::after{content:"";position:absolute;inset:8px;background:rgba(255,255,255,.92);clip-path:polygon(58% 0,18% 54%,45% 54%,36% 100%,82% 42%,52% 42%);}
.brand-text{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:.3px;}
.nav-toggle{display:none;width:44px;height:44px;border:0;background:#F1F5F4;border-radius:13px;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;transition:background .2s var(--ease);}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .24s var(--ease),opacity .2s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-menu{display:flex;align-items:center;gap:24px;margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:30px;}
.nav-link{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:600;color:#2b373b;transition:color .2s var(--ease),transform .2s var(--ease);}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;background:var(--brand-grad);transform:scaleX(0);transform-origin:left;transition:transform .26s var(--ease);}
.nav-link:hover,.nav-link:focus{color:var(--brand-b);transform:translateY(-2px);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);}
.btn-x{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:var(--r-pill);font-size:15px;font-weight:700;line-height:1;cursor:pointer;transition:transform .24s var(--ease),box-shadow .24s var(--ease),filter .24s var(--ease),background .24s var(--ease);}
.btn-x i{transition:transform .24s var(--ease);}
.btn-brand{height:44px;padding:0 22px;color:#fff;background:var(--brand-grad);box-shadow:0 8px 20px rgba(15,181,201,.26);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(15,181,201,.34);}
.btn-brand:hover i{transform:translateX(3px);}
.btn-accent{height:50px;padding:0 26px;font-size:16px;color:#fff;background:var(--accent);box-shadow:0 10px 24px rgba(255,122,47,.3);}
.btn-accent:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 16px 32px rgba(255,122,47,.38);}
.btn-accent:hover i{transform:translateX(3px);}
.btn-ghost{height:50px;padding:0 24px;font-size:15px;color:#fff;background:transparent;border:1.5px solid rgba(255,255,255,.72);}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn-cloud{height:44px;padding:0 22px;font-size:15px;color:var(--ink);background:#F1F5F4;border:1px solid var(--line);}
.btn-cloud:hover{color:var(--ink);background:#E6EAE9;transform:translateY(-2px);}
.btn-white{height:50px;padding:0 26px;font-size:16px;color:var(--ink);background:#fff;box-shadow:0 10px 24px rgba(16,26,28,.16);}
.btn-white:hover{color:var(--ink);transform:translateY(-2px);box-shadow:0 16px 32px rgba(16,26,28,.22);}

/* ---------- 面包屑 ---------- */
.main-content{padding-top:34px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:var(--slate);}
.crumbs a{color:var(--slate);font-weight:500;}
.crumbs a:hover{color:var(--brand-b);}
.crumbs .sep{color:#B6C0BF;}
.crumbs .current{color:var(--ink);font-weight:600;}

/* ---------- 文章主体 ---------- */
.article-shell{max-width:800px;margin:0 auto;}
.article-head{padding:26px 0 30px;margin-bottom:34px;border-bottom:1px solid var(--line);}
.badge-x{display:inline-flex;align-items:center;gap:6px;border-radius:var(--r-pill);font-size:13px;font-weight:700;line-height:1;padding:8px 14px;}
.badge-brand{color:#fff;background:var(--brand-grad);box-shadow:0 6px 16px rgba(15,181,201,.24);}
.badge-soft{color:#0C8E9E;background:var(--soft);}
.badge-grey{color:var(--ink);background:#EFF3F2;}
.article-head h1{font-size:clamp(28px,4vw,40px);font-weight:800;letter-spacing:-.2px;line-height:1.28;margin:20px 0 20px;color:var(--ink);}
.meta-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.meta-chip{display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 14px;border-radius:var(--r-pill);background:#EFF3F2;color:var(--slate);font-size:13px;font-weight:600;}
.meta-chip i{color:var(--brand-b);font-size:12px;}
.meta-chip .num{font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--ink);font-weight:700;}

/* ---------- 正文排版 ---------- */
.article-body{font-size:17px;line-height:1.9;color:#3d4a50;word-break:break-word;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 22px;}
.article-body h2{position:relative;font-size:clamp(21px,2.4vw,28px);font-weight:800;color:var(--ink);margin:46px 0 18px;padding-left:16px;line-height:1.32;}
.article-body h2::before{content:"";position:absolute;left:0;top:.16em;width:4px;height:1em;border-radius:3px;background:var(--brand-grad);}
.article-body h3{font-size:20px;font-weight:700;color:var(--ink);margin:34px 0 14px;}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink);margin:26px 0 12px;}
.article-body a{color:#0C8E9E;font-weight:600;border-bottom:1px solid rgba(15,181,201,.35);}
.article-body a:hover{color:var(--accent);border-bottom-color:rgba(255,122,47,.5);}
.article-body img{border-radius:16px;margin:26px 0;box-shadow:var(--shadow-1);}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px;}
.article-body ul li{position:relative;list-style:none;margin-bottom:11px;padding-left:4px;}
.article-body ul li::before{content:"";position:absolute;left:-18px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand-grad);}
.article-body ol{list-style:decimal;}
.article-body ol li{margin-bottom:11px;padding-left:4px;}
.article-body ol li::marker{color:var(--brand-b);font-weight:700;font-family:var(--font-num);}
.article-body blockquote{margin:28px 0;padding:20px 24px;background:var(--soft);border-left:4px solid var(--brand-b);border-radius:0 16px 16px 0;color:#28403f;font-style:normal;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;background:#fff;border-radius:14px;overflow:hidden;box-shadow:var(--shadow-1);}
.article-body th,.article-body td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);}
.article-body th{background:#F1F5F4;color:var(--ink);font-weight:700;}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body tbody tr:hover td{background:#FAFCFB;}
.article-body code{padding:2px 7px;border-radius:7px;background:#EFF3F2;color:#C2410C;font-size:.9em;}
.article-body figure{margin:26px 0;}
.article-body figcaption,.article-body .caption{font-size:13px;color:#869394;text-align:center;margin-top:10px;line-height:1.7;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:38px 0;}

/* ---------- 文末操作 ---------- */
.article-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:44px 0 0;padding-top:30px;border-top:1px solid var(--line);}
.article-actions .back-link{margin-left:auto;font-size:14px;font-weight:600;color:var(--slate);}
.article-actions .back-link:hover{color:var(--brand-b);}
.article-actions .back-link i{margin-right:5px;}

/* ---------- 空态 ---------- */
.empty-state{padding:68px 28px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);}
.empty-icon{width:120px;height:120px;border-radius:50%;background:var(--soft);color:var(--brand-b);font-size:42px;display:flex;align-items:center;justify-content:center;margin:0 auto 22px;}
.empty-state h2{font-size:22px;margin-bottom:12px;}
.empty-state p{font-size:15px;margin:0 0 22px;}
.empty-state a.text-link{font-size:15px;font-weight:700;color:var(--brand-b);border-bottom:2px solid rgba(15,181,201,.35);}
.empty-state a.text-link:hover{color:var(--accent);border-bottom-color:rgba(255,122,47,.45);}

/* ---------- 分区标题 ---------- */
.section{padding:76px 0 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;}
.sec-title{position:relative;padding-left:16px;font-size:clamp(23px,2.6vw,30px);}
.sec-title::before{content:"";position:absolute;left:0;top:.18em;width:4px;height:.94em;border-radius:3px;background:var(--brand-grad);}
.sec-more{font-size:14px;font-weight:600;color:var(--slate);white-space:nowrap;}
.sec-more:hover{color:var(--brand-b);}
.sec-more i{margin-left:4px;font-size:12px;}

/* ---------- 相关推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.rel-card{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:18px;transition:transform .24s var(--ease),box-shadow .24s var(--ease);}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.rel-thumb{flex:0 0 146px;width:146px;aspect-ratio:16/10;border-radius:16px;overflow:hidden;background:#EFF3F2;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;}
.rel-body{min-width:0;}
.rel-body h3{font-size:17px;line-height:1.45;margin-bottom:9px;}
.rel-card:hover h3{color:var(--brand-b);}
.rel-body p{font-size:14px;line-height:1.75;color:var(--slate);margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:#869394;}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;margin-top:78px;border-radius:var(--r-hero);background:var(--brand-grad);color:#fff;padding:46px 48px;display:flex;align-items:center;justify-content:space-between;gap:34px;box-shadow:0 20px 46px rgba(15,181,201,.24);}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.16;mix-blend-mode:overlay;}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.92);font-size:15px;margin:0;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex:0 0 auto;flex-wrap:wrap;}

/* ---------- 深色信息面板 ---------- */
.dark-panel{margin-top:56px;background:var(--ink);border-radius:var(--r-card);padding:30px 34px;display:flex;flex-wrap:wrap;align-items:center;gap:26px;justify-content:space-between;}
.dark-panel .dp-title{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;}
.dot-live{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 rgba(255,122,47,.6);animation:pulse 1.8s infinite;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,122,47,.55);}70%{box-shadow:0 0 0 12px rgba(255,122,47,0);}100%{box-shadow:0 0 0 0 rgba(255,122,47,0);}}
.dark-stats{display:flex;flex-wrap:wrap;gap:34px;}
.dark-stats .ds-item{color:#fff;}
.dark-stats .ds-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:26px;font-weight:800;line-height:1.2;color:#fff;}
.dark-stats .ds-num em{font-style:normal;color:var(--accent);font-size:16px;margin-left:2px;}
.dark-stats .ds-label{font-size:13px;color:#93A1A3;margin-top:2px;}

/* ---------- Footer ---------- */
.site-footer{position:relative;margin-top:96px;background:var(--ink);color:#B9C4C4;padding:64px 0 0;font-size:14px;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand-grad);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:42px;padding-bottom:48px;}
.footer-logo{display:flex;align-items:center;gap:11px;margin-bottom:18px;}
.footer-logo .brand-text{color:#fff;font-size:19px;}
.footer-brand p{line-height:1.9;color:#9DA9AA;margin:0;max-width:380px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.4px;}
.footer-col ul li{margin-bottom:12px;}
.footer-col a,.footer-col span{color:#9DA9AA;font-size:14px;transition:color .2s var(--ease),padding-left .2s var(--ease);}
.footer-col a:hover{color:var(--brand-a);padding-left:4px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0 24px;text-align:center;font-size:13px;color:#7E8B8C;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .related-grid{gap:20px;}
  .rel-thumb{flex:0 0 120px;width:120px;}
}
@media (max-width:991.98px){
  body{font-size:16px;}
  .container{padding-left:20px;padding-right:20px;}
  .nav-toggle{display:flex;}
  .nav-menu{position:absolute;left:-20px;right:-20px;top:100%;flex-direction:column;align-items:stretch;gap:0;margin:0;padding:10px 20px 22px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 36px rgba(16,26,28,.12);display:none;}
  .nav-menu.is-open{display:flex;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-list li{border-bottom:1px solid var(--line);}
  .nav-link{display:block;padding:15px 2px;}
  .nav-link:hover{transform:none;}
  .nav-link::after{bottom:8px;}
  .nav-cta{width:100%;margin-top:18px;}
  .related-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-x{flex:1 1 46%;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:34px;}
  .dark-panel{padding:26px 24px;}
  .dark-stats{gap:26px;}
}
@media (max-width:767.98px){
  .article-head{padding:18px 0 24px;margin-bottom:26px;}
  .section{padding:56px 0 0;}
  .site-footer{margin-top:70px;padding-top:52px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .footer-brand p{max-width:none;}
  .cta-band{margin-top:56px;}
  .dark-panel{flex-direction:column;align-items:flex-start;gap:18px;}
  .dark-stats{width:100%;justify-content:space-between;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .nav-menu{left:-16px;right:-16px;padding:8px 16px 18px;}
  .brand-text{font-size:18px;}
  .article-body{font-size:16px;}
  .article-body h2{margin-top:36px;padding-left:13px;}
  .meta-chip{height:32px;padding:0 12px;font-size:12px;}
  .rel-card{flex-direction:column;}
  .rel-thumb{width:100%;flex:0 0 auto;aspect-ratio:16/9;}
  .article-actions .back-link{margin-left:0;width:100%;}
  .cta-actions .btn-x{flex:1 1 100%;}
  .dark-stats{gap:16px;}
  .dark-stats .ds-num{font-size:22px;}
}

/* roulang page: category1 */
:root{
  --brand-1:#16C47F;
  --brand-2:#0FB5C9;
  --brand-grad:linear-gradient(135deg,#16C47F 0%,#0FB5C9 100%);
  --accent:#FF7A2F;
  --ink:#101A1C;
  --slate:#55636A;
  --muted:#8A979D;
  --line:#E6EAE9;
  --bg:#F7F9F8;
  --white:#FFFFFF;
  --soft-cyan:rgba(15,181,201,.10);
  --r-card:22px;
  --r-hero:28px;
  --r-img:16px;
  --r-input:14px;
  --pill:999px;
  --sh-1:0 1px 2px rgba(16,26,28,.04),0 8px 24px rgba(16,26,28,.06);
  --sh-2:0 12px 32px rgba(16,26,28,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Inter","DIN Alternate",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--slate);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);line-height:1.28;font-weight:800;letter-spacing:.1px;}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color 240ms var(--ease);}
img{max-width:100%;display:block;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(15,181,201,.35);outline-offset:2px;border-radius:6px;}

.container{
  --bs-gutter-x:28px;
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:14px;
  padding-right:14px;
}
@media (min-width:1400px){
  .container{max-width:1240px;}
}

/* ===== 通用元素 ===== */
.btn-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  height:48px;
  padding:0 26px;
  border-radius:var(--pill);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  white-space:nowrap;
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease),background 240ms var(--ease),color 240ms var(--ease),filter 240ms var(--ease);
}
.btn-x i{transition:transform 240ms var(--ease);}
.btn-x:hover i.fa-arrow-right{transform:translateX(3px);}
.btn-accent{
  background:var(--accent);
  color:#fff;
  box-shadow:0 6px 16px rgba(255,122,47,.24);
}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,122,47,.34);color:#fff;}
.btn-brand{
  background:var(--brand-grad);
  color:#fff;
  box-shadow:0 6px 16px rgba(15,181,201,.22);
}
.btn-brand:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,181,201,.32);color:#fff;}
.btn-ghost{
  background:rgba(255,255,255,.10);
  border-color:rgba(255,255,255,.78);
  color:#fff;
}
.btn-ghost:hover{background:#fff;color:var(--ink);transform:translateY(-2px);}
.btn-ghost-dark{
  background:#fff;
  border-color:var(--line);
  color:var(--ink);
}
.btn-ghost-dark:hover{border-color:var(--brand-2);background:rgba(15,181,201,.06);color:var(--ink);transform:translateY(-2px);}
.btn-sm-x{height:40px;padding:0 18px;font-size:14px;}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:var(--pill);
  font-size:12.5px;
  font-weight:700;
  line-height:1;
  white-space:nowrap;
}
.tag-brand{background:var(--brand-grad);color:#fff;}
.tag-soft{background:var(--soft-cyan);color:#0A8E9E;}
.tag-gray{background:#EEF1F0;color:var(--ink);}
.tag-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

.card-x{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease);
}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8E3E1;}

.media{
  border-radius:var(--r-img);
  overflow:hidden;
  background:#EDF2F1;
  aspect-ratio:16/10;
}
.media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease);}
.card-x:hover .media img{transform:scale(1.03);}

.sec{padding:88px 0;}
.sec-line{border-top:1px solid var(--line);}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:38px;
  flex-wrap:wrap;
}
.sec-title{display:flex;align-items:flex-start;gap:14px;}
.sec-bar{
  width:4px;
  height:22px;
  border-radius:2px;
  background:var(--brand-grad);
  margin-top:8px;
  flex:0 0 auto;
}
.sec-title h2{font-size:30px;}
.sec-sub{font-size:14px;color:var(--muted);margin-top:8px;}
.sec-more{
  font-size:14.5px;
  font-weight:700;
  color:var(--ink);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.sec-more:hover{color:var(--brand-2);}
.sec-more:hover i{transform:translateX(3px);}
.sec-more i{transition:transform 240ms var(--ease);}

/* ===== Header ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow 240ms var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(16,26,28,.07);}
.nav-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:76px;
}
.brand{display:inline-flex;align-items:center;gap:11px;}
.brand-mark{
  width:32px;
  height:32px;
  border-radius:10px;
  background:var(--brand-grad);
  position:relative;
  flex:0 0 auto;
  box-shadow:0 4px 12px rgba(15,181,201,.28);
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:9px;
  top:9px;
  width:14px;
  height:14px;
  border-radius:50%;
  background:rgba(255,255,255,.92);
  clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);
}
.brand-text{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:.2px;}
.nav-menu{display:flex;align-items:center;gap:24px;}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-link{
  display:inline-block;
  position:relative;
  padding:9px 14px;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  border-radius:10px;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand-grad);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform 240ms var(--ease);
}
.nav-link:hover{color:var(--brand-2);transform:translateY(2px);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand-2);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{height:44px;padding:0 22px;font-size:14.5px;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  padding:11px 10px;
  flex-direction:column;
  justify-content:space-between;
  cursor:pointer;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform 240ms var(--ease),opacity 200ms var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(9px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-9px) rotate(-45deg);}

/* ===== Hero（分类页1：横向横幅） ===== */
.hero-wrap{padding:28px 0 0;}
.hero-cat{
  position:relative;
  border-radius:var(--r-hero);
  overflow:hidden;
  min-height:240px;
  padding:40px 46px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  color:#fff;
  background-image:
    linear-gradient(135deg,rgba(22,196,127,.93) 0%,rgba(15,181,201,.90) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover,cover;
  background-position:center,center;
}
.hero-cat::after{
  content:"";
  position:absolute;
  right:-60px;
  bottom:-90px;
  width:280px;
  height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 70%);
  pointer-events:none;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.86);
  margin-bottom:18px;
  position:relative;
  z-index:2;
}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:#fff;text-decoration:underline;}
.crumb .crumb-cur{color:#fff;font-weight:700;}
.hero-cat h1{
  color:#fff;
  font-size:clamp(28px,3.4vw,42px);
  margin-bottom:14px;
  position:relative;
  z-index:2;
  max-width:820px;
}
.hero-cat .hero-desc{
  color:rgba(255,255,255,.94);
  font-size:16.5px;
  max-width:760px;
  position:relative;
  z-index:2;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;position:relative;z-index:2;}
.hero-tags span{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:32px;
  padding:0 15px;
  border-radius:var(--pill);
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.42);
  color:#fff;
  font-size:13px;
  font-weight:600;
  backdrop-filter:blur(6px);
}
.hero-tags i{color:#fff;font-size:12px;}

/* ===== 分类简介双栏 ===== */
.intro-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:52px;
  align-items:center;
}
.intro-text h2{font-size:30px;margin-bottom:20px;}
.intro-text p{margin-bottom:16px;}
.intro-text p:last-of-type{margin-bottom:0;}
.intro-figure{position:relative;}
.intro-figure .media{aspect-ratio:16/11;border-radius:var(--r-img);box-shadow:var(--sh-1);}
.intro-figure .float-badge{
  position:absolute;
  left:18px;
  bottom:18px;
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 18px;
  border-radius:var(--pill);
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(6px);
  box-shadow:var(--sh-1);
}
.intro-figure .float-badge b{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:22px;
  color:var(--ink);
  line-height:1;
}
.intro-figure .float-badge span{font-size:12.5px;color:var(--slate);line-height:1.4;}

/* ===== 要点列表 ===== */
.point-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.point-item{
  display:flex;
  gap:16px;
  padding:24px;
}
.point-icon{
  width:44px;
  height:44px;
  flex:0 0 auto;
  border-radius:14px;
  background:var(--brand-grad);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:17px;
  box-shadow:0 6px 14px rgba(15,181,201,.22);
}
.point-item h3{font-size:17.5px;margin-bottom:8px;}
.point-item p{font-size:15px;line-height:1.8;margin:0;}

/* ===== 直播时段深色面板 ===== */
.live-panel{
  background:var(--ink);
  border-radius:var(--r-card);
  padding:38px 40px;
  color:#C9D3D3;
}
.live-panel-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:26px;
}
.live-panel-head h2{color:#fff;font-size:26px;}
.live-panel-head .live-note{font-size:13.5px;color:#93A2A3;}
.live-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.live-row{
  display:flex;
  align-items:center;
  gap:14px;
  padding:16px 18px;
  border-radius:16px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  transition:background 240ms var(--ease),border-color 240ms var(--ease),transform 240ms var(--ease);
}
.live-row:hover{background:rgba(255,255,255,.09);border-color:rgba(22,196,127,.45);transform:translateY(-2px);}
.live-dot{
  width:9px;
  height:9px;
  border-radius:50%;
  background:#FF5A4E;
  flex:0 0 auto;
  box-shadow:0 0 0 0 rgba(255,90,78,.6);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,90,78,.55);}
  70%{box-shadow:0 0 0 10px rgba(255,90,78,0);}
  100%{box-shadow:0 0 0 0 rgba(255,90,78,0);}
}
.live-time{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:16px;
  font-weight:700;
  color:#16C47F;
  min-width:58px;
}
.live-name{color:#fff;font-weight:600;font-size:15px;}
.live-meta{margin-left:auto;font-size:12.5px;color:#93A2A3;text-align:right;}

/* ===== 条目卡片区 ===== */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;
}
.entry-card{display:flex;flex-direction:column;overflow:hidden;}
.entry-card .media{aspect-ratio:16/9;border-radius:0;margin:0;}
.entry-body{padding:24px 26px 26px;}
.entry-top{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap;}
.entry-body h3{font-size:20px;margin-bottom:12px;}
.entry-body h3 a:hover{color:var(--brand-2);}
.entry-body p{font-size:15px;line-height:1.8;margin-bottom:18px;}
.entry-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
}
.entry-foot .go{
  font-weight:700;
  color:var(--ink);
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13.5px;
}
.entry-foot .go:hover{color:var(--brand-2);}
.entry-foot .go i{transition:transform 240ms var(--ease);}
.entry-foot .go:hover i{transform:translateX(3px);}

/* ===== FAQ ===== */
.faq-wrap{max-width:900px;}
.accordion-item{
  border:none;
  background:transparent;
  margin-bottom:12px;
  border-radius:18px;
  overflow:hidden;
}
.accordion-button{
  position:relative;
  background:#fff;
  border-radius:18px !important;
  box-shadow:var(--sh-1);
  color:var(--ink);
  font-size:17px;
  font-weight:600;
  padding:20px 56px 20px 26px;
  line-height:1.6;
  border:none;
}
.accordion-button::before{
  content:"";
  position:absolute;
  left:0;
  top:14px;
  bottom:14px;
  width:4px;
  border-radius:2px;
  background:var(--brand-grad);
  opacity:0;
  transition:opacity 240ms var(--ease);
}
.accordion-button:not(.collapsed)::before{opacity:1;}
.accordion-button:not(.collapsed){
  color:var(--ink);
  background:#fff;
  box-shadow:var(--sh-1);
}
.accordion-button:focus{box-shadow:var(--sh-1);outline:3px solid rgba(15,181,201,.28);outline-offset:2px;}
.accordion-button::after{
  background-image:none;
  content:"\2b";
  font-family:var(--font-num);
  font-size:20px;
  line-height:1;
  color:var(--brand-2);
  width:auto;
  height:auto;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:transform 240ms var(--ease);
  transform:none;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.accordion-body{
  padding:18px 26px 24px;
  font-size:15px;
  line-height:1.85;
  color:var(--slate);
  background:#fff;
  border-top:1px solid var(--line);
}

/* ===== CTA 条 ===== */
.cta-band{
  border-radius:var(--r-hero);
  padding:48px 50px;
  background-image:linear-gradient(135deg,rgba(22,196,127,.95) 0%,rgba(15,181,201,.95) 100%);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:34px;
  flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.92);font-size:15px;margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:88px;
  background:var(--ink);
  color:#C9D3D3;
  border-top:3px solid transparent;
  border-image:var(--brand-grad) 1;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .footer-logo{display:inline-flex;align-items:center;gap:11px;margin-bottom:18px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.9;color:#9EACAD;max-width:400px;}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:18px;font-weight:700;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a,
.footer-col ul li span{font-size:14px;color:#9EACAD;}
.footer-col ul li a:hover{color:var(--brand-1);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0;
  text-align:center;
  font-size:13px;
  color:#7F8E8F;
}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .intro-grid{grid-template-columns:1fr;gap:36px;}
  .intro-figure{order:-1;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:991.98px){
  .sec{padding:64px 0;}
  .hero-cat{padding:34px 30px;min-height:220px;}
  .hero-cat h1{font-size:30px;}
  .entry-grid{grid-template-columns:1fr;}
  .live-list{grid-template-columns:1fr;}
  .cta-band{padding:38px 30px;}
  .cta-band h2{font-size:24px;}
}
@media (max-width:767.98px){
  .nav-toggle{display:flex;}
  .nav-menu{
    position:fixed;
    left:0;
    right:0;
    top:76px;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:0 16px 32px rgba(16,26,28,.12);
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:14px 20px 26px;
    transform:translateY(-14px);
    opacity:0;
    visibility:hidden;
    transition:opacity 220ms var(--ease),transform 220ms var(--ease),visibility 220ms var(--ease);
    max-height:calc(100vh - 76px);
    overflow-y:auto;
  }
  .nav-menu.is-open{opacity:1;visibility:visible;transform:translateY(0);}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-link{padding:15px 4px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0;}
  .nav-link::after{left:4px;right:auto;width:44px;bottom:6px;}
  .nav-link:hover{transform:none;}
  .nav-cta{width:100%;margin-top:20px;height:48px;}
  .point-grid{grid-template-columns:1fr;}
  .sec-title h2{font-size:24px;}
  .sec{padding:52px 0;}
  .intro-text h2{font-size:24px;}
  .live-panel{padding:26px 20px;}
  .live-panel-head h2{font-size:21px;}
  .entry-body{padding:20px;}
  .accordion-button{font-size:16px;padding:17px 50px 17px 20px;}
  .accordion-body{padding:16px 20px 20px;}
  .cta-band{padding:32px 22px;flex-direction:column;align-items:stretch;}
  .cta-actions{width:100%;}
  .cta-actions .btn-x{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
  .site-footer{margin-top:56px;padding-top:48px;}
}
@media (max-width:575.98px){
  body{font-size:16px;}
  .hero-wrap{padding:18px 0 0;}
  .hero-cat{border-radius:22px;padding:28px 20px;}
  .hero-cat h1{font-size:25px;}
  .hero-cat .hero-desc{font-size:15px;}
  .hero-tags span{height:30px;padding:0 12px;font-size:12px;}
  .sec-head{margin-bottom:26px;}
  .intro-figure .float-badge{padding:10px 14px;left:12px;bottom:12px;}
  .intro-figure .float-badge b{font-size:19px;}
  .entry-body h3{font-size:18px;}
  .footer-grid{grid-template-columns:1fr;}
  .btn-x{width:100%;}
  .nav-cta{width:100%;}
}

/* roulang page: category2 */
:root{
  --brand-a:#16C47F;
  --brand-b:#0FB5C9;
  --brand-grad:linear-gradient(135deg,#16C47F,#0FB5C9);
  --accent:#FF7A2F;
  --ink:#101A1C;
  --slate:#55636A;
  --mist:#E6EAE9;
  --soft:#EEF2F1;
  --warm:#F7F9F8;
  --white:#FFFFFF;
  --r-card:22px;
  --r-hero:28px;
  --r-img:16px;
  --r-input:14px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(16,26,28,.04), 0 8px 24px rgba(16,26,28,.06);
  --shadow-2:0 12px 32px rgba(16,26,28,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Inter","DIN Alternate",system-ui,sans-serif;
  --bs-body-font-family:var(--font-cn);
  --bs-link-color:#55636A;
  --bs-link-hover-color:#0FB5C9;
  --bs-border-color:var(--mist);
}
*{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(--slate);
  background:var(--warm);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;transition:color .24s var(--ease);}
h1,h2,h3,h4{color:var(--ink);line-height:1.28;margin:0;font-weight:800;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(15,181,201,.38);outline-offset:2px;border-radius:6px;}
.container{max-width:1240px;padding-left:24px;padding-right:24px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--mist);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(16,26,28,.08);}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;}
.brand{display:inline-flex;align-items:center;gap:12px;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--brand-grad);
  position:relative;flex:0 0 auto;
  box-shadow:0 6px 14px rgba(15,181,201,.28);
}
.brand-mark::after{
  content:"";position:absolute;inset:10px;border-radius:4px;background:rgba(255,255,255,.92);
}
.brand-text{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:.2px;}
.nav-menu{display:flex;align-items:center;gap:24px;margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:30px;}
.nav-link{
  position:relative;display:inline-block;
  font-size:15px;font-weight:600;color:var(--slate);
  padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--brand-grad);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--ink);transform:translateY(-2px);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:800;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--mist);background:#fff;
  border-radius:12px;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .24s var(--ease),opacity .24s;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Buttons ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1.5px solid transparent;cursor:pointer;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background-color .24s,color .24s,filter .24s;
}
.btn-x i{transition:transform .24s var(--ease);}
.btn-accent{background:linear-gradient(180deg,#FF8A45,#FF7A2F);color:#fff;box-shadow:0 8px 20px rgba(255,122,47,.28);}
.btn-accent:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 14px 28px rgba(255,122,47,.34);}
.btn-accent:hover i{transform:translateX(3px);}
.btn-brand{background:var(--brand-grad);color:#fff;box-shadow:0 8px 20px rgba(15,181,201,.24);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(15,181,201,.3);}
.btn-brand:hover i{transform:translateX(3px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.8);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px);}
.btn-ghost-dark{background:#fff;border-color:var(--mist);color:var(--ink);}
.btn-ghost-dark:hover{background:#E7F7F4;color:var(--ink);transform:translateY(-2px);}
.nav-cta{height:44px;padding:0 22px;font-size:14.5px;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:700;color:var(--ink);position:relative;
}
.text-link::after{
  content:"";position:absolute;left:0;right:26px;bottom:-3px;height:2px;border-radius:2px;
  background:var(--brand-grad);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.text-link:hover::after{transform:scaleX(1);}
.text-link:hover{color:var(--ink);}

/* ---------- Sections ---------- */
main{padding-bottom:0;}
.sec{padding:88px 0;}
.sec-tight{padding-top:0;}
.sec-line{border-top:1px solid var(--mist);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.sec-no{
  display:block;font-family:var(--font-num);font-size:12.5px;font-weight:700;
  letter-spacing:.16em;color:#0FB5C9;margin-bottom:8px;
}
.sec-title{position:relative;padding-left:18px;font-size:clamp(22px,3vw,30px);}
.sec-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:22px;border-radius:2px;background:var(--brand-grad);
}
.sec-sub{font-size:15px;color:var(--slate);max-width:720px;margin-top:12px;}

/* ---------- Breadcrumb ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--slate);padding:26px 0 18px;
}
.crumb a:hover{color:#0FB5C9;}
.crumb .sep{color:#B9C3C2;}
.crumb .current{color:var(--ink);font-weight:700;}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  border-radius:var(--r-hero);
  background:var(--brand-grad);
  color:#fff;
  min-height:300px;
  display:flex;align-items:center;justify-content:center;
  padding:56px 40px;
  text-align:center;
  box-shadow:var(--shadow-1);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.2;mix-blend-mode:overlay;
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:rgba(255,255,255,.12);filter:blur(6px);
}
.cat-hero-inner{position:relative;z-index:2;max-width:880px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.42);
  font-size:13px;font-weight:700;letter-spacing:.04em;margin-bottom:20px;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:#FF7A2F;box-shadow:0 0 0 4px rgba(255,122,47,.28);}
.cat-hero h1{
  color:#fff;font-size:clamp(28px,4.2vw,40px);margin-bottom:16px;
  text-shadow:0 2px 16px rgba(16,26,28,.18);
}
.cat-hero p{
  color:rgba(255,255,255,.94);font-size:16.5px;max-width:660px;margin:0 auto 30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:34px;}
.stat-badges{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}
.stat-badge{
  display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.9);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  border-radius:var(--r-pill);padding:9px 18px;
  color:var(--ink);box-shadow:0 6px 18px rgba(16,26,28,.12);
}
.stat-badge b{font-family:var(--font-num);font-size:19px;font-weight:800;letter-spacing:-.01em;}
.stat-badge span{font-size:12.5px;color:var(--slate);}

/* ---------- Dimension cards ---------- */
.dim-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.dim-card{
  background:#fff;border:1px solid var(--mist);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.dim-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.dim-icon{
  width:44px;height:44px;border-radius:14px;background:var(--brand-grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px;margin-bottom:16px;
  box-shadow:0 8px 18px rgba(15,181,201,.24);
}
.dim-card h3{font-size:18px;margin-bottom:10px;}
.dim-card p{font-size:14.6px;margin:0;color:var(--slate);line-height:1.8;}
.dim-meta{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;
  font-size:12.5px;font-weight:700;color:#0FB5C9;
  background:#E7F7F4;border-radius:var(--r-pill);padding:5px 12px;
}

/* ---------- Index rows ---------- */
.index-list{display:flex;flex-direction:column;gap:14px;}
.index-row{
  display:grid;grid-template-columns:72px minmax(0,1fr) auto;gap:24px;align-items:center;
  background:#fff;border:1px solid var(--mist);border-radius:var(--r-card);
  padding:24px 28px;box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s;
}
.index-row:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#CFE9E6;}
.index-no{
  font-family:var(--font-num);font-size:24px;font-weight:800;letter-spacing:-.02em;
  color:#C4CFCE;transition:color .24s var(--ease);
}
.index-row:hover .index-no{
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.index-body h3{font-size:18.5px;margin-bottom:8px;}
.index-body p{font-size:14.6px;margin:0;color:var(--slate);line-height:1.8;}
.index-side{display:flex;align-items:center;gap:14px;}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;color:#0E8A93;background:#E4F6F7;
  border-radius:var(--r-pill);padding:6px 13px;white-space:nowrap;
}
.badge-ink{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;color:var(--ink);background:var(--soft);
  border-radius:var(--r-pill);padding:6px 13px;white-space:nowrap;
}
.badge-grad{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;color:#fff;background:var(--brand-grad);
  border-radius:var(--r-pill);padding:6px 13px;white-space:nowrap;
}
.row-arrow{
  width:38px;height:38px;border-radius:50%;background:var(--soft);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:13px;
  transition:background .24s var(--ease),color .24s,transform .24s var(--ease);
}
.index-row:hover .row-arrow{background:var(--brand-grad);color:#fff;transform:translateX(3px);}

/* ---------- Dark panel ---------- */
.panel-dark{
  background:var(--ink);border-radius:var(--r-hero);padding:52px 48px;color:#C9D6D5;
  position:relative;overflow:hidden;box-shadow:var(--shadow-1);
}
.panel-dark::after{
  content:"";position:absolute;right:-90px;bottom:-110px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,181,201,.35),transparent 70%);
}
.panel-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;position:relative;z-index:2;}
.panel-title{color:#fff;font-size:clamp(22px,2.8vw,30px);margin:10px 0 16px;}
.panel-dark .sec-no{color:#4FD8C4;}
.panel-text{color:#A9B8B7;font-size:15.5px;}
.dark-list{margin-top:22px;display:flex;flex-direction:column;gap:14px;}
.dark-list li{display:flex;gap:12px;font-size:14.8px;color:#C9D6D5;line-height:1.8;}
.dark-list li i{color:#16C47F;font-size:13px;margin-top:7px;flex:0 0 auto;}
.meters{display:flex;flex-direction:column;gap:22px;justify-content:center;}
.meter-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:9px;}
.meter-head span{font-size:14.5px;color:#DCE7E6;font-weight:600;}
.meter-head b{font-family:var(--font-num);font-size:17px;color:#fff;}
.meter-track{height:8px;border-radius:var(--r-pill);background:rgba(255,255,255,.14);overflow:hidden;}
.meter-fill{height:100%;border-radius:var(--r-pill);background:var(--brand-grad);}
.meter-fill.orange{background:linear-gradient(90deg,#FF7A2F,#FFA06B);}

/* ---------- Two column info ---------- */
.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.info-block{
  background:var(--soft);border:1px solid var(--mist);border-radius:var(--r-card);padding:34px 32px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.info-block:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.info-block h3{font-size:20px;margin-bottom:18px;display:flex;align-items:center;gap:12px;}
.info-block h3 i{
  width:38px;height:38px;border-radius:12px;background:#fff;color:#0FB5C9;
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;box-shadow:var(--shadow-1);
}
.info-block ul{display:flex;flex-direction:column;gap:14px;}
.info-block li{display:flex;gap:12px;font-size:15px;color:var(--slate);line-height:1.8;}
.info-block li::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--brand-grad);
  margin-top:11px;flex:0 0 auto;
}

/* ---------- Cross links ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.cross-card{
  display:flex;align-items:center;gap:20px;
  background:#fff;border:1px solid var(--mist);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.cross-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.cross-thumb{
  width:130px;flex:0 0 auto;aspect-ratio:16/10;border-radius:var(--r-img);overflow:hidden;background:var(--soft);
}
.cross-thumb img{width:100%;height:100%;object-fit:cover;}
.cross-card h3{font-size:18px;margin-bottom:8px;}
.cross-card p{font-size:14.2px;margin:0;color:var(--slate);line-height:1.75;}
.cross-more{margin-top:12px;font-size:13.5px;font-weight:700;color:#0E8A93;display:inline-flex;align-items:center;gap:6px;}
.cross-card:hover .cross-more i{transform:translateX(3px);}
.cross-more i{transition:transform .24s var(--ease);}

/* ---------- FAQ ---------- */
.faq-accordion .accordion-item{
  border:1px solid var(--mist);border-radius:18px;background:#fff;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-1);
}
.faq-accordion .accordion-button{
  position:relative;background:#fff;color:var(--ink);
  font-size:17px;font-weight:600;padding:22px 26px 22px 26px;
  box-shadow:none;line-height:1.5;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--ink);background:#fff;}
.faq-accordion .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:0 3px 3px 0;
  background:var(--brand-grad);
}
.faq-accordion .accordion-button::after{
  background-image:none;content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:#0FB5C9;width:auto;height:auto;transform:none;
  display:flex;align-items:center;justify-content:center;
  transition:transform .24s var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  content:"\f068";transform:none;color:var(--accent);
}
.faq-accordion .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq-accordion .accordion-body{
  padding:0 26px 24px 26px;font-size:15px;line-height:1.85;color:var(--slate);
}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--brand-grad);border-radius:var(--r-hero);padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow-1);
}
.cta-band::after{
  content:"";position:absolute;left:-80px;bottom:-140px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.cta-band-text{position:relative;z-index:2;max-width:620px;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.8vw,30px);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.92);font-size:15px;margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink);color:#A9B8B7;margin-top:96px;
  border-top:3px solid transparent;
  border-image:var(--brand-grad) 1;
  padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-logo{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-logo .brand-text{color:#fff;font-size:19px;}
.footer-brand p{font-size:14.2px;line-height:1.85;color:#93A3A3;max-width:400px;}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a,.footer-col span{font-size:14.2px;color:#93A3A3;transition:color .24s var(--ease);}
.footer-col a:hover{color:#4FD8C4;}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(255,255,255,.1);
  text-align:center;font-size:13px;color:#7F8F8F;
}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .dim-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  .nav-toggle{display:flex;}
  .nav-menu{
    position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--mist);
    flex-direction:column;align-items:stretch;gap:0;
    padding:14px 24px 24px;
    box-shadow:0 18px 32px rgba(16,26,28,.1);
    display:none;
  }
  .nav-menu.is-open{display:flex;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-list li{border-bottom:1px solid var(--mist);}
  .nav-link{display:block;padding:15px 0;font-size:16px;}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:#0E8A93;}
  .nav-cta{margin-top:20px;width:100%;}
  .panel-grid{grid-template-columns:minmax(0,1fr);gap:36px;}
  .two-col{grid-template-columns:minmax(0,1fr);}
  .cross-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .sec{padding:72px 0;}
}
@media (max-width:767.98px){
  .cat-hero{min-height:auto;padding:44px 24px;border-radius:22px;}
  .hero-actions{width:100%;}
  .hero-actions .btn-x{width:100%;}
  .dim-grid{grid-template-columns:minmax(0,1fr);}
  .index-row{grid-template-columns:48px minmax(0,1fr);gap:16px;padding:20px;}
  .index-side{grid-column:2 / -1;justify-content:flex-start;}
  .panel-dark{padding:36px 26px;border-radius:22px;}
  .cross-card{flex-direction:column;align-items:flex-start;}
  .cross-thumb{width:100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .sec{padding:60px 0;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:575.98px){
  body{font-size:15.5px;}
  .container{padding-left:18px;padding-right:18px;}
  .brand-text{font-size:18px;}
  .cat-hero h1{font-size:26px;}
  .cat-hero p{font-size:15px;}
  .stat-badge{padding:8px 14px;}
  .stat-badge b{font-size:17px;}
  .index-no{font-size:19px;}
  .cta-band{padding:32px 22px;border-radius:22px;}
  .info-block{padding:26px 22px;}
  .sec-title{font-size:22px;}
}