/* roulang page: index */
:root{
  --primary:#E4542B;
  --primary-dark:#C8410F;
  --primary-soft:#FFF6F1;
  --deep:#0F3B36;
  --deep-2:#0B2C29;
  --teal:#23C6A0;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --border:#E4DED5;
  --line:#EDE7DE;
  --ink:#17211F;
  --body:#3B4643;
  --muted:#6E7B77;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --sh:0 8px 24px rgba(15,59,54,.08);
  --sh-hover:0 14px 32px rgba(15,59,54,.14);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--body);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.2px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--primary-dark);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25;letter-spacing:.5px;font-weight:800}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:8px}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1248px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1400px){.container{max-width:1328px}}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:sticky;top:16px;z-index:1030;width:100%;padding:16px 16px 0}
.dock{
  max-width:1100px;margin:0 auto;display:flex;align-items:center;gap:16px;
  background:rgba(255,255,255,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border:1px solid var(--border);border-radius:999px;
  box-shadow:0 10px 30px rgba(15,59,54,.10);
  padding:10px 18px;transition:max-width .3s ease,box-shadow .3s ease,padding .3s ease;
}
.dock.shrink{max-width:1060px;padding:8px 16px;box-shadow:0 14px 34px rgba(15,59,54,.16)}
.dock-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:var(--deep);letter-spacing:.5px;white-space:nowrap}
.dock-logo:hover{color:var(--deep);text-decoration:none}
.logo-mark{width:34px;height:34px;flex:0 0 34px;border-radius:11px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:15px;font-weight:800;letter-spacing:0}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.dock-menu a{position:relative;display:block;padding:8px 14px;font-size:15px;font-weight:500;color:var(--body);border-radius:999px}
.dock-menu a::before{content:"";position:absolute;left:50%;top:1px;transform:translateX(-50%);width:0;height:3px;border-radius:2px;background:var(--primary);transition:width .25s ease}
.dock-menu a:hover::before,.dock-menu a.active::before{width:20px}
.dock-menu a:hover{color:var(--primary-dark);text-decoration:none;background:#FBF9F6}
.dock-menu a.active{color:var(--primary-dark);font-weight:700}
.dock-actions{display:flex;align-items:center;gap:10px}
.dock-icon{width:40px;height:40px;border-radius:999px;border:1px solid var(--border);background:#fff;color:var(--deep);display:grid;place-items:center;cursor:pointer;transition:.2s}
.dock-icon:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.btn-dock{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 20px;border-radius:999px;
  background:var(--primary);color:#fff;font-weight:700;font-size:15px;white-space:nowrap;transition:.2s;
}
.btn-dock:hover{background:var(--primary-dark);color:#fff;text-decoration:none;transform:translateY(-1px)}
.dock-burger{width:40px;height:40px;border-radius:999px;border:1px solid var(--border);background:#fff;color:var(--deep);display:grid;place-items:center;cursor:pointer}
.dock-burger:hover{border-color:var(--primary);color:var(--primary)}
.offcanvas{border-radius:20px 0 0 20px;border:none}
.offcanvas-header{border-bottom:1px solid var(--line);padding:20px 22px}
.offcanvas-title{font-size:17px;font-weight:800;color:var(--deep)}
.m-menu a{display:flex;align-items:center;justify-content:space-between;padding:15px 4px;border-bottom:1px solid var(--line);color:var(--body);font-size:16px;font-weight:600}
.m-menu a:hover{color:var(--primary);text-decoration:none}
.m-menu a.active{color:var(--primary-dark)}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;height:52px;padding:0 28px;
  border:none;border-radius:var(--r-btn);background:var(--primary);color:#fff;font-size:16px;font-weight:700;
  cursor:pointer;box-shadow:0 6px 18px rgba(228,84,43,.28);transition:.22s;
}
.btn-main:hover{background:var(--primary-dark);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:0 10px 24px rgba(228,84,43,.34)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;height:52px;padding:0 26px;
  border:1px solid var(--deep);border-radius:var(--r-btn);background:transparent;color:var(--deep);font-size:16px;font-weight:700;transition:.22s;
}
.btn-ghost:hover{background:var(--deep);color:#fff;text-decoration:none;transform:translateY(-2px)}
.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;height:52px;padding:0 26px;
  border:1px solid rgba(255,255,255,.55);border-radius:var(--r-btn);background:rgba(255,255,255,.08);color:#fff;font-size:16px;font-weight:700;transition:.22s;
}
.btn-ghost-light:hover{background:rgba(255,255,255,.18);color:#fff;text-decoration:none;border-color:#fff}
.btn-sm{height:42px;padding:0 20px;font-size:15px;border-radius:10px;box-shadow:none}

/* ---------- Hero ---------- */
.hero{
  position:relative;margin-top:24px;padding:96px 0 88px;color:#fff;overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(15,59,54,.90) 0%,rgba(15,59,54,.72) 52%,rgba(15,59,54,.46) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:58% 42%;gap:44px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:rgba(35,198,160,.14);border:1px solid rgba(35,198,160,.45);color:#8FF0D8;
  font-size:13.5px;letter-spacing:.4px;margin-bottom:20px;
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(35,198,160,.2)}
.hero h1{color:#fff;font-size:40px;letter-spacing:.5px;margin-bottom:18px}
.hero-sub{font-size:16.5px;color:rgba(255,255,255,.86);line-height:1.9;max-width:620px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.trust-bar{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px;font-size:14px;color:rgba(255,255,255,.82)}
.trust-bar li{display:flex;align-items:center;gap:8px}
.trust-bar li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal);flex:0 0 7px}
.hero-visual{display:flex;justify-content:flex-end}
.device-card{
  width:100%;max-width:440px;background:#fff;border-radius:20px;border:1px solid rgba(255,255,255,.5);
  box-shadow:0 24px 50px rgba(0,0,0,.28);overflow:hidden;
}
.device-top{display:flex;align-items:center;gap:7px;padding:12px 16px;background:#FBF9F6;border-bottom:1px solid var(--line)}
.device-top span{width:10px;height:10px;border-radius:50%;background:#DED7CD}
.device-top span:first-child{background:var(--primary)}
.device-top span:nth-child(2){background:#EFC04A}
.device-top span:nth-child(3){background:var(--teal)}
.device-card img{width:100%;height:230px;object-fit:cover;background:#EFEAE2}
.device-strip{
  height:8px;background:repeating-linear-gradient(90deg,var(--border) 0 10px,transparent 10px 20px);
  border-top:1px solid var(--line);
}

/* ---------- 板块通用 ---------- */
section{position:relative}
.sec{padding:var(--sec) 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-head h2{font-size:30px;position:relative;padding-left:16px}
.sec-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:3px;background:var(--primary)}
.sec-head p{margin-top:10px;font-size:15px;color:var(--muted);padding-left:16px}
.sec-more{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--deep);white-space:nowrap;padding-bottom:4px}
.sec-more:hover{color:var(--primary);text-decoration:none}
.sec-more i{transition:transform .2s}
.sec-more:hover i{transform:translateX(4px)}

/* ---------- Bento 价值区 ---------- */
.bento{display:grid;grid-template-columns:1.12fr .88fr;gap:24px}
.bento-main{
  background:var(--deep);color:#E8F0EE;border-radius:var(--r-card);padding:34px;position:relative;overflow:hidden;
  box-shadow:var(--sh);
}
.bento-main::after{
  content:"";position:absolute;right:-60px;bottom:-70px;width:220px;height:220px;border-radius:50%;
  border:26px solid rgba(255,255,255,.05);
}
.bento-main h3{color:#fff;font-size:24px;margin-bottom:14px}
.bento-main p{color:rgba(232,240,238,.84);font-size:15.5px}
.proto-list{margin-top:24px;display:grid;gap:12px;position:relative;z-index:2}
.proto-list li{display:flex;align-items:flex-start;gap:11px;font-size:14.8px;color:rgba(232,240,238,.9)}
.proto-list li i{color:var(--teal);margin-top:6px;font-size:13px}
.bento-side{display:grid;gap:24px}
.mini-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);padding:26px;
  box-shadow:var(--sh);transition:.25s;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.mini-card h4{font-size:17px;margin-bottom:10px}
.mini-card p{font-size:14.8px;color:var(--muted)}
.mini-tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12.5px;
  background:var(--primary-soft);color:var(--primary-dark);font-weight:700;margin-bottom:14px;
}
.mini-tag.green{background:rgba(35,198,160,.12);color:#127A62}
.mini-num{font-size:30px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.2}

/* ---------- 轮播 ---------- */
.shot-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.shot-nav{display:flex;gap:10px}
.shot-nav button{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--border);background:#fff;color:var(--deep);
  display:grid;place-items:center;cursor:pointer;transition:.2s;
}
.shot-nav button:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.shot-frame{background:#fff;border:1px solid var(--border);border-radius:20px;padding:12px;box-shadow:var(--sh)}
.shot-frame img{width:100%;height:440px;object-fit:cover;border-radius:var(--r-img);background:#EFEAE2}
.shot-cap{padding:20px 12px 8px}
.shot-cap h4{font-size:19px;margin-bottom:8px}
.shot-cap p{font-size:14.8px;color:var(--muted);max-width:820px}
.carousel-indicators{position:static;margin:22px 0 6px;justify-content:center;gap:8px}
.carousel-indicators [data-bs-target]{
  width:24px;height:4px;border-radius:2px;background:#D9D2C7;border:none;opacity:1;margin:0;transition:.25s;
}
.carousel-indicators .active{width:40px;background:var(--primary)}

/* ---------- 系统要求 ---------- */
.spec-wrap{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh)}
.spec-row{display:flex;justify-content:space-between;gap:20px;padding:18px 26px;border-bottom:1px solid var(--line)}
.spec-row:nth-child(odd){background:#FBF9F6}
.spec-row:last-child{border-bottom:none}
.spec-name{font-weight:700;color:var(--ink);font-size:15px}
.spec-val{color:var(--body);font-size:14.8px;text-align:right;font-variant-numeric:tabular-nums}

/* ---------- 评价墙 ---------- */
.masonry{column-count:3;column-gap:24px}
.quote-card{
  break-inside:avoid;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;margin-bottom:24px;box-shadow:var(--sh);transition:.25s;position:relative;
}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.quote-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--deep);color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;flex:0 0 42px}
.quote-badge{
  position:absolute;top:20px;right:20px;font-size:12.5px;font-weight:700;color:#127A62;
  background:rgba(35,198,160,.13);padding:3px 10px;border-radius:999px;
}
.quote-name{font-weight:700;color:var(--ink);font-size:15px}
.quote-role{font-size:13px;color:var(--muted)}
.quote-card p{font-size:14.8px;color:var(--body)}

/* ---------- 下载区 ---------- */
.dl-sec{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.dl-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:6px}
.dl-btn{
  display:flex;align-items:center;gap:13px;padding:18px;border:1px solid var(--border);border-radius:var(--r-btn);
  background:#fff;transition:.22s;color:var(--body);
}
.dl-btn:hover{border-color:var(--primary);background:var(--primary-soft);text-decoration:none;transform:translateY(-3px);box-shadow:var(--sh)}
.dl-btn i{font-size:24px;color:var(--deep);transition:.22s;width:28px;text-align:center}
.dl-btn:hover i{color:var(--primary)}
.dl-name{font-weight:700;color:var(--ink);font-size:15px;line-height:1.3}
.dl-meta{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.dl-note{margin-top:22px;font-size:14px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.qr-placeholder{
  width:104px;height:104px;border-radius:14px;border:1px dashed var(--border);background:#FBF9F6;
  display:grid;place-items:center;color:var(--muted);font-size:12.5px;text-align:center;line-height:1.5;
}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{border:none;background:transparent;margin-bottom:16px}
.faq-acc .accordion-button{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card) !important;
  padding:22px 24px;font-size:17px;font-weight:700;color:var(--ink);box-shadow:var(--sh);
  transition:.22s;
}
.faq-acc .accordion-button:not(.collapsed){
  background:#fff;color:var(--ink);box-shadow:var(--sh-hover);
  border-left:4px solid var(--primary);
}
.faq-acc .accordion-button:focus{box-shadow:var(--sh);border-color:var(--border)}
.faq-acc .accordion-button::after{
  content:"+";background-image:none !important;font-size:24px;line-height:1;color:var(--primary);
  font-weight:600;width:auto;height:auto;display:flex;align-items:center;justify-content:center;
  transition:transform .28s ease;margin-left:16px;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.faq-acc .accordion-body{
  padding:6px 24px 22px 28px;font-size:15.2px;color:var(--body);background:transparent;
}

/* ---------- 资讯卡片 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh);transition:.25s}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.news-link{display:block;color:inherit}
.news-link:hover{text-decoration:none}
.news-thumb{position:relative;overflow:hidden;background:#EFEAE2}
.news-thumb img{width:100%;height:186px;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-cat{
  position:absolute;left:14px;top:14px;padding:4px 12px;border-radius:999px;background:var(--deep);color:#fff;
  font-size:12.5px;font-weight:600;letter-spacing:.3px;
}
.news-body{padding:22px}
.news-body h3{
  font-size:17.5px;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-body h3{color:var(--primary)}
.news-body p{
  font-size:14.6px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:52px;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px;padding-top:14px;
  border-top:1px solid var(--line);font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums;
}
.news-more{color:var(--primary-dark);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 24px;background:#fff;border:1px dashed var(--border);
  border-radius:var(--r-card);color:var(--muted);
}
.empty-state i{font-size:32px;color:#D9D2C7;display:block;margin-bottom:16px}
.empty-state p{font-size:15px;margin-bottom:18px}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--deep);border-radius:0;padding:72px 0;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:6px;
  background:repeating-linear-gradient(90deg,var(--primary) 0 60px,transparent 60px 120px);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;position:relative;z-index:2}
.cta-inner h2{color:#fff;font-size:29px;margin-bottom:12px}
.cta-inner p{color:rgba(232,240,238,.82);font-size:15.5px;max-width:640px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:#E8F0EE;padding-top:64px}
.footer-top{border-top:1px solid rgba(255,255,255,.12);padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:11px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-brand .logo-mark{background:var(--primary)}
.footer-grid p{font-size:14.4px;color:rgba(232,240,238,.72);max-width:330px}
.footer-col h4{font-size:14px;letter-spacing:1px;color:#fff;margin-bottom:18px;font-weight:700}
.footer-col li{margin-bottom:12px}
.footer-col a{
  position:relative;font-size:14.4px;color:rgba(232,240,238,.78);padding-left:0;transition:.2s;
}
.footer-col a::before{
  content:"";position:absolute;left:-6px;top:50%;transform:translateY(-50%);width:3px;height:0;
  background:var(--teal);border-radius:2px;transition:height .2s ease;
}
.footer-col a:hover{color:var(--teal);text-decoration:none;padding-left:10px}
.footer-col a:hover::before{height:14px}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14.4px;color:rgba(232,240,238,.78);margin-bottom:14px}
.footer-contact i{color:var(--teal);width:16px;text-align:center}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);padding:24px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(232,240,238,.6);
}
.footer-bottom a{color:rgba(232,240,238,.72)}
.footer-bottom a:hover{color:var(--teal)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sec:80px}
  .hero h1{font-size:34px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-visual{justify-content:flex-start}
  .device-card{max-width:520px}
  .masonry{column-count:2}
  .dl-grid{grid-template-columns:repeat(3,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991px){
  :root{--sec:72px}
  .dock-menu{display:none}
  .dock-actions{margin-left:auto}
  .bento{grid-template-columns:1fr}
  .shot-frame img{height:340px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:767px){
  :root{--sec:56px}
  .container{padding-left:16px;padding-right:16px}
  .dock-wrap{padding:12px 12px 0;top:12px}
  .dock{padding:8px 12px;gap:10px}
  .dock-logo{font-size:14.5px}
  .logo-mark{width:30px;height:30px;flex:0 0 30px;font-size:13px;border-radius:9px}
  .btn-dock{display:none}
  .hero{padding:64px 0 60px}
  .hero h1{font-size:27px}
  .hero-sub{font-size:15.4px}
  .hero-cta .btn-main,.hero-cta .btn-ghost{width:100%;height:48px}
  .sec-head h2{font-size:22px}
  .shot-frame img{height:230px}
  .spec-row{flex-direction:column;gap:6px;padding:16px 18px}
  .spec-val{text-align:left}
  .masonry{column-count:1}
  .dl-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-inner h2{font-size:23px}
  .btn-ghost-light,.cta-inner .btn-main{width:100%}
  .faq-acc .accordion-button{font-size:15.6px;padding:18px}
  .faq-acc .accordion-body{padding:4px 18px 18px 22px}
}

/* roulang page: article */
:root{
  --primary:#E4542B;
  --primary-dark:#C8410F;
  --primary-soft:#FFF6F1;
  --deep:#0F3B36;
  --mint:#23C6A0;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --line:#E4DED5;
  --divider:#EDE7DE;
  --title:#17211F;
  --text:#3B4643;
  --muted:#6E7B77;
  --zebra:#FBF9F6;
  --code:#F3EFEA;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-input:12px;
  --sh-card:0 8px 24px rgba(15,59,54,.08);
  --sh-hover:0 14px 32px rgba(15,59,54,.14);
  --sh-dock:0 10px 30px rgba(15,59,54,.10);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.2px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary-dark);text-decoration:none;text-underline-offset:3px;transition:color .2s ease}
a:hover{color:var(--primary);text-decoration:underline}
img{max-width:100%;display:block;background:#EFEAE2;object-fit:cover}
h1,h2,h3,h4,h5{color:var(--title);font-weight:800;line-height:1.25;letter-spacing:.5px;margin:0}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
::selection{background:rgba(228,84,43,.18)}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){
  .container{max-width:1280px}
}
.num{font-variant-numeric:tabular-nums;letter-spacing:.4px}

/* ============ Dock 导航 ============ */
.dock-wrap{
  position:sticky;
  top:16px;
  z-index:1030;
  padding:0 16px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  max-width:1100px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 18px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  box-shadow:var(--sh-dock);
  transition:max-width .28s ease,box-shadow .28s ease;
}
.dock.shrink{
  max-width:1060px;
  box-shadow:0 14px 34px rgba(15,59,54,.16);
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:16px;
  color:var(--deep);
  white-space:nowrap;
  letter-spacing:.5px;
}
.logo:hover{color:var(--deep);text-decoration:none}
.logo-mark{
  width:34px;height:34px;
  flex:0 0 34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  background:var(--primary);
  color:#fff;
  font-size:16px;
  font-weight:800;
}
.m-menu{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.m-menu a{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:4px;
  padding:8px 14px;
  border-radius:999px;
  font-size:15px;
  color:var(--text);
  white-space:nowrap;
}
.m-menu a i{font-size:10px;opacity:.35}
.m-menu a::before{
  content:"";
  position:absolute;
  top:2px;
  left:50%;
  transform:translateX(-50%) scaleX(0);
  width:16px;
  height:4px;
  border-radius:999px;
  background:var(--primary);
  transition:transform .22s ease;
}
.m-menu a:hover{
  color:var(--primary-dark);
  background:var(--primary-soft);
  text-decoration:none;
}
.m-menu a:hover::before{transform:translateX(-50%) scaleX(1)}
.m-menu a.active{
  color:var(--primary-dark);
  font-weight:700;
  background:var(--primary-soft);
}
.m-menu a.active::before{transform:translateX(-50%) scaleX(1)}
.dock-actions{
  display:flex;
  align-items:center;
  gap:10px;
}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.icon-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border:none;
  border-radius:var(--r-btn);
  background:var(--primary);
  color:#fff;
  font-size:15px;
  font-weight:700;
  letter-spacing:.4px;
  cursor:pointer;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--primary-dark);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:0 10px 22px rgba(228,84,43,.28)}
.btn-main:active{transform:translateY(0)}
.btn-main:focus-visible{outline:3px solid rgba(228,84,43,.35);outline-offset:2px}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:999px}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border:1px solid var(--deep);
  border-radius:var(--r-btn);
  background:transparent;
  color:var(--deep);
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:var(--deep);color:#fff;text-decoration:none;transform:translateY(-2px)}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.6);color:#fff}
.btn-ghost.on-dark:hover{background:#fff;color:var(--deep);border-color:#fff}
.burger{display:none}
@media (max-width:991.98px){
  .m-menu,.dock-actions .icon-btn{display:none}
  .dock{gap:12px;padding:9px 14px}
  .burger{display:inline-flex}
}
.offcanvas.mobile-panel{
  width:min(320px,86vw);
  border-radius:20px 0 0 20px;
  background:#fff;
  border-left:1px solid var(--line);
}
.mobile-panel .offcanvas-header{padding:20px 20px 8px;border-bottom:1px solid var(--divider)}
.mobile-panel .offcanvas-body{padding:16px 20px 28px}
.mobile-links{display:flex;flex-direction:column;gap:6px}
.mobile-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 16px;
  border-radius:14px;
  color:var(--title);
  font-weight:700;
  background:var(--zebra);
  border:1px solid var(--divider);
}
.mobile-links a:hover{background:var(--primary-soft);color:var(--primary-dark);text-decoration:none;border-color:rgba(228,84,43,.3)}
.mobile-links a i{color:var(--primary)}
.mobile-tip{
  margin-top:20px;
  padding:14px 16px;
  border-radius:14px;
  background:var(--deep);
  color:#E8F0EE;
  font-size:13px;
  line-height:1.7;
}

/* ============ 内页头部横幅 ============ */
.page-hero{
  position:relative;
  margin-top:-74px;
  padding:150px 0 54px;
  background-image:linear-gradient(180deg,rgba(15,59,54,.86) 0%,rgba(15,59,54,.62) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:60px;
  background:linear-gradient(180deg,rgba(247,244,239,0) 0%,rgba(247,244,239,1) 100%);
}
.crumb{
  position:relative;
  z-index:2;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(255,255,255,.78);
  margin-bottom:14px;
}
.crumb a{color:rgba(255,255,255,.88)}
.crumb a:hover{color:var(--mint);text-decoration:none}
.crumb .sep{opacity:.5}
.crumb .now{color:#fff;font-weight:600;max-width:min(640px,100%);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-kicker{
  position:relative;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(35,198,160,.16);
  border:1px solid rgba(35,198,160,.45);
  color:#9FF0DC;
  font-size:13px;
  font-weight:700;
  letter-spacing:.6px;
}
.hero-kicker .dot{width:7px;height:7px;border-radius:999px;background:var(--mint);box-shadow:0 0 0 4px rgba(35,198,160,.18)}
.page-hero h1{
  position:relative;z-index:2;
  margin:16px 0 14px;
  color:#fff;
  font-size:40px;
  line-height:1.28;
  letter-spacing:.5px;
  max-width:900px;
}
.hero-meta{
  position:relative;z-index:2;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 20px;
  font-size:14px;
  color:rgba(255,255,255,.82);
}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta i{color:var(--mint);font-size:13px}

/* ============ 文章布局 ============ */
.article-section{padding:56px 0 96px}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,780px) 280px;
  gap:48px;
  justify-content:center;
  align-items:start;
}
.article-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:40px;
}
.cat-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--deep);
  color:#fff;
  font-size:13px;
  font-weight:700;
  letter-spacing:.4px;
}
.cat-tag i{color:var(--mint);font-size:11px}
.article-lead{
  margin-top:18px;
  font-size:17px;
  color:var(--muted);
  line-height:1.9;
  padding-left:16px;
  border-left:4px solid var(--primary);
}
.article-body{
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  letter-spacing:.2px;
}
.article-body > *:first-child{margin-top:34px}
.article-body h2{
  position:relative;
  font-size:26px;
  margin:44px 0 16px;
  padding-left:16px;
  line-height:1.4;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:999px;
  background:var(--primary);
}
.article-body h3{
  font-size:20px;
  margin:32px 0 12px;
  color:var(--deep);
}
.article-body h4{font-size:17px;margin:24px 0 10px}
.article-body p{margin:0 0 18px}
.article-body a{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--primary)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:4px}
.article-body ul li,.article-body ol li{position:relative;padding-left:24px;margin-bottom:10px}
.article-body ul li::before{
  content:"";
  position:absolute;left:4px;top:13px;
  width:8px;height:8px;border-radius:3px;
  background:var(--primary);
  transform:rotate(45deg);
}
.article-body ol{counter-reset:olc}
.article-body ol li{counter-increment:olc}
.article-body ol li::before{
  content:counter(olc);
  position:absolute;left:0;top:5px;
  width:20px;height:20px;
  display:flex;align-items:center;justify-content:center;
  border-radius:999px;
  background:var(--primary-soft);
  border:1px solid rgba(228,84,43,.32);
  color:var(--primary-dark);
  font-size:12px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:26px 0;
  padding:18px 22px;
  border-left:4px solid var(--primary);
  background:var(--zebra);
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--deep);
  font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:22px 0;width:100%}
.article-body figure{margin:24px 0}
.article-body figcaption{
  text-align:center;
  font-size:13px;
  color:var(--muted);
  margin-top:8px;
}
.article-body table{
  width:100%;
  display:block;
  overflow-x:auto;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
}
.article-body table th,.article-body table td{
  border-bottom:1px solid var(--divider);
  padding:12px 14px;
  text-align:left;
  white-space:nowrap;
}
.article-body table th{background:var(--zebra);color:var(--deep);font-weight:700}
.article-body table tr:nth-child(even) td{background:#FDFCFA}
.article-body pre,.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;
}
.article-body pre{
  background:var(--code);
  border:1px solid var(--line);
  border-radius:var(--r-img);
  padding:16px 18px;
  overflow-x:auto;
  line-height:1.7;
}
.article-body hr{border:none;border-top:1px solid var(--divider);margin:32px 0}
.article-body strong{color:var(--deep)}
.article-tags{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:38px;
  padding-top:24px;
  border-top:1px solid var(--divider);
}
.article-tags .tag-label{font-size:14px;color:var(--muted);font-weight:700}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--primary-soft);
  border:1px solid rgba(228,84,43,.24);
  color:var(--primary-dark);
  font-size:13px;
  font-weight:600;
}
.tag-pill:hover{background:var(--primary);color:#fff;text-decoration:none;border-color:var(--primary)}
.empty-state{
  text-align:center;
  padding:56px 20px;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  background:var(--zebra);
}
.empty-state i{font-size:34px;color:var(--primary);margin-bottom:14px;display:block}
.empty-state h3{font-size:20px;margin-bottom:8px}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:20px}

/* ============ 侧栏 ============ */
.article-side{
  position:sticky;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:22px;
}
.side-card h3{
  font-size:15px;
  letter-spacing:1px;
  color:var(--deep);
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-card h3 i{color:var(--primary);font-size:13px}
.side-nav{display:flex;flex-direction:column;gap:2px}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 12px;
  border-radius:10px;
  color:var(--text);
  font-size:14px;
  transition:background .18s ease,color .18s ease,padding-left .18s ease;
}
.side-nav a i{font-size:10px;opacity:.4}
.side-nav a:hover{background:var(--zebra);color:var(--primary-dark);text-decoration:none;padding-left:16px}
.dl-card{
  background:var(--deep);
  border-color:var(--deep);
  color:#E8F0EE;
}
.dl-card h3{color:#fff}
.dl-card h3 i{color:var(--mint)}
.dl-card .dl-note{font-size:13px;color:rgba(232,240,238,.72);line-height:1.8;margin-bottom:14px}
.dl-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 12px;
  border-radius:12px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  margin-bottom:8px;
  font-size:14px;
  color:#E8F0EE;
}
.dl-row:hover{background:rgba(35,198,160,.16);border-color:rgba(35,198,160,.5);color:#fff;text-decoration:none}
.dl-row span.p{display:inline-flex;align-items:center;gap:8px}
.dl-row i{color:var(--mint)}
.dl-row em{
  font-style:normal;
  font-size:12px;
  color:rgba(232,240,238,.7);
  font-variant-numeric:tabular-nums;
}
.side-links{display:flex;flex-direction:column;gap:12px}
.side-link{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:10px;
  border-radius:14px;
  border:1px solid transparent;
  transition:background .2s ease,border-color .2s ease;
}
.side-link:hover{background:var(--zebra);border-color:var(--line);text-decoration:none}
.side-link img{
  width:64px;height:48px;
  flex:0 0 64px;
  border-radius:10px;
}
.side-link strong{
  display:block;
  font-size:14px;
  color:var(--title);
  font-weight:700;
  line-height:1.5;
  margin-bottom:4px;
}
.side-link:hover strong{color:var(--primary-dark)}
.side-link em{
  font-style:normal;
  font-size:12px;
  color:var(--muted);
}

/* ============ 上下篇 ============ */
.prev-next{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
  margin-top:32px;
}
.pn-card{
  display:block;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:22px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.pn-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(228,84,43,.35);text-decoration:none}
.pn-card .pn-label{font-size:13px;color:var(--muted);letter-spacing:1px;display:flex;align-items:center;gap:8px;margin-bottom:8px}
.pn-card .pn-label i{color:var(--primary)}
.pn-card h4{font-size:17px;line-height:1.5;margin-bottom:6px;transition:color .2s ease}
.pn-card:hover h4{color:var(--primary-dark)}
.pn-card p{font-size:14px;color:var(--muted);margin:0}

/* ============ 相关推荐 ============ */
.related-block{margin-top:72px}
.block-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:26px;
}
.block-head h2{
  font-size:30px;
  display:flex;
  align-items:center;
  gap:12px;
}
.block-head h2::before{
  content:"";
  width:6px;height:26px;
  border-radius:999px;
  background:var(--primary);
  display:inline-block;
}
.block-head p{font-size:14px;color:var(--muted);margin:6px 0 0}
.block-head .more{
  font-size:14px;
  font-weight:700;
  color:var(--primary-dark);
  white-space:nowrap;
}
.block-head .more:hover{color:var(--primary);text-decoration:none}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.news-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);text-decoration:none}
.news-card .thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#EFEAE2;
}
.news-card .thumb img{width:100%;height:100%;transition:transform .35s ease}
.news-card:hover .thumb img{transform:scale(1.04)}
.news-card .badge-cat{
  position:absolute;
  left:14px;top:14px;
  padding:5px 12px;
  border-radius:999px;
  background:var(--deep);
  color:#fff;
  font-size:12px;
  font-weight:700;
  letter-spacing:.5px;
}
.news-card .body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-card h3{
  font-size:17px;
  line-height:1.55;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s ease;
}
.news-card:hover h3{color:var(--primary-dark)}
.news-card p{
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
  margin:0 0 16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card .foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--divider);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--muted);
}
.news-card .foot i{color:var(--primary)}

/* ============ FAQ ============ */
.faq-section{padding:0 0 96px}
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  border:1px solid var(--line) !important;
  border-radius:var(--r-card) !important;
  background:var(--card);
  box-shadow:var(--sh-card);
  margin-bottom:14px;
  overflow:hidden;
}
.accordion-button{
  font-size:17px;
  font-weight:800;
  color:var(--title);
  background:var(--card);
  padding:20px 22px;
  letter-spacing:.4px;
  gap:14px;
}
.accordion-button:not(.collapsed){
  color:var(--primary-dark);
  background:var(--primary-soft);
  box-shadow:inset 4px 0 0 var(--primary);
}
.accordion-button:focus{
  box-shadow:none;
  outline:none;
}
.accordion-button:not(.collapsed):focus{box-shadow:inset 4px 0 0 var(--primary)}
.accordion-button::after{
  content:"+";
  background-image:none !important;
  width:32px;
  height:32px;
  flex:0 0 32px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  border:1px solid rgba(228,84,43,.3);
  color:var(--primary);
  font-size:20px;
  font-weight:600;
  line-height:1;
  transform:none;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
}
.accordion-body{
  padding:6px 22px 22px;
  font-size:15px;
  color:var(--text);
  line-height:1.9;
  background:var(--card);
}
.accordion-body p:last-child{margin-bottom:0}

/* ============ 底部 CTA ============ */
.cta-band{
  background:var(--deep);
  border-radius:24px;
  padding:48px;
  color:#E8F0EE;
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:32px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:240px;height:240px;
  border-radius:999px;
  background:radial-gradient(circle,rgba(35,198,160,.24) 0%,rgba(35,198,160,0) 70%);
}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:12px}
.cta-band p{color:rgba(232,240,238,.78);font-size:15px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:2}
.cta-section{padding:0 0 96px}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--deep);
  color:#E8F0EE;
  padding:72px 0 0;
  margin-top:8px;
}
.footer-top{border-top:1px solid rgba(255,255,255,.12);padding-top:48px}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  color:#fff;
  letter-spacing:.5px;
  margin-bottom:14px;
}
.site-footer p{color:rgba(232,240,238,.72);font-size:14px;line-height:1.85;margin:0;max-width:320px}
.footer-col h4{
  font-size:14px;
  letter-spacing:1px;
  color:#fff;
  margin-bottom:16px;
  font-weight:700;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{
  color:rgba(232,240,238,.78);
  font-size:14px;
  display:inline-block;
  transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:var(--mint);transform:translateX(6px);text-decoration:none}
.footer-contact li{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:rgba(232,240,238,.78);
}
.footer-contact i{color:var(--mint);width:16px;text-align:center}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(232,240,238,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:32px}
  .article-panel{padding:34px}
}
@media (max-width:991.98px){
  .page-hero{padding:130px 0 44px}
  .page-hero h1{font-size:32px}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-side{position:static}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{grid-template-columns:1fr;padding:36px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .article-section{padding:48px 0 72px}
}
@media (max-width:767.98px){
  .container{padding:0 16px}
  .page-hero h1{font-size:28px}
  .article-panel{padding:24px 18px;border-radius:16px}
  .article-body h2{font-size:22px;margin:34px 0 14px}
  .article-body h3{font-size:18px}
  .prev-next{grid-template-columns:minmax(0,1fr)}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .block-head{flex-direction:column;align-items:flex-start;gap:8px}
  .block-head h2{font-size:24px}
  .faq-section,.cta-section{padding-bottom:64px}
  .related-block{margin-top:52px}
  .accordion-button{font-size:16px;padding:16px 16px}
  .accordion-body{padding:4px 16px 18px}
  .cta-band h2{font-size:24px}
}
@media (max-width:520px){
  body{font-size:15px}
  .dock-wrap{top:10px;padding:0 10px}
  .logo{font-size:15px}
  .btn-main,.btn-ghost{width:100%;height:48px}
  .cta-actions{flex-direction:column}
  .footer-grid{grid-template-columns:1fr}
  .hero-meta{flex-direction:column;align-items:flex-start;gap:6px}
}

/* roulang page: category1 */
:root{
  --brand:#E4542B;
  --brand-dark:#C8410F;
  --brand-soft:#FFF6F1;
  --deep:#0F3B36;
  --mint:#23C6A0;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --line:#E4DED5;
  --rule:#EDE7DE;
  --ink:#17211F;
  --text:#3B4643;
  --muted:#6E7B77;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --sh-1:0 8px 24px rgba(15,59,54,.08);
  --sh-2:0 14px 32px rgba(15,59,54,.14);
  --sp-sec:96px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.2px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25;letter-spacing:.5px;font-weight:800;}
h1{font-size:40px;}
h2{font-size:30px;}
h3{font-size:21px;}
h4{font-size:17px;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
a{color:var(--brand-dark);text-decoration:none;text-underline-offset:3px;transition:color .2s ease;}
a:hover{color:var(--brand);text-decoration:underline;}
img{max-width:100%;display:block;background:#EFEAE2;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;cursor:pointer;}
:focus-visible{outline:3px solid rgba(228,84,43,.45);outline-offset:2px;border-radius:8px;}
.num{font-variant-numeric:tabular-nums;font-weight:800;}
body .container{width:100%;max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
@media (min-width:1400px){body .container{max-width:1280px;}}
.sec{padding:var(--sp-sec) 0;}
.sec-tight{padding:64px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.sec-head h2{position:relative;padding-left:16px;}
.sec-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--brand);}
.sec-head .lead{color:var(--muted);font-size:15px;margin-top:8px;padding-left:16px;max-width:640px;}
.sec-head .more{font-size:15px;font-weight:700;white-space:nowrap;}

/* ============ Dock 导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;padding:16px 0 8px;background:linear-gradient(180deg,rgba(247,244,239,.92),rgba(247,244,239,0));}
.dock{
  max-width:1100px;margin:0 auto;display:flex;align-items:center;gap:14px;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border:1px solid var(--line);
  box-shadow:0 10px 30px rgba(15,59,54,.10);
  border-radius:999px;padding:10px 18px;
  transition:max-width .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled .dock{max-width:1060px;box-shadow:0 14px 34px rgba(15,59,54,.16);}
.dock-logo{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:var(--deep);white-space:nowrap;}
.dock-logo:hover{color:var(--brand);text-decoration:none;}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:11px;background:var(--brand);color:#fff;font-size:16px;font-weight:800;flex:0 0 auto;letter-spacing:0;}
.m-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.m-menu a{position:relative;display:inline-flex;align-items:center;gap:6px;padding:9px 13px;border-radius:999px;font-size:15px;font-weight:600;color:var(--text);white-space:nowrap;}
.m-menu a:hover{color:var(--brand-dark);text-decoration:none;background:var(--brand-soft);}
.m-menu a::before{content:"";position:absolute;left:50%;top:1px;transform:translateX(-50%);width:0;height:3px;border-radius:3px;background:var(--brand);transition:width .24s ease;}
.m-menu a:hover::before{width:14px;}
.m-menu a.active{color:var(--deep);font-weight:800;}
.m-menu a.active::before{width:20px;}
.m-menu a i{font-size:9px;opacity:.4;}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:6px;}
.icon-btn{width:38px;height:38px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--deep);display:inline-flex;align-items:center;justify-content:center;transition:all .22s ease;}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.dock-search{display:none;align-items:center;gap:8px;border:1px solid var(--line);border-radius:999px;padding:6px 14px;background:#fff;}
.dock-search.open{display:inline-flex;}
.dock-search input{border:0;outline:none;font-size:14px;width:150px;background:transparent;color:var(--ink);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;
  border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:700;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  text-decoration:none !important;line-height:1;cursor:pointer;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(228,84,43,.26);}
.btn-brand:hover{background:#d34a22;color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(228,84,43,.34);}
.btn-brand:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--deep);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);}
.btn-on-dark{background:transparent;color:#E8F0EE;border-color:rgba(255,255,255,.32);}
.btn-on-dark:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.55);}
.hamburger{display:none;width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--deep);}
.hamburger:hover{border-color:var(--brand);color:var(--brand);}

/* offcanvas 抽屉 */
.site-drawer{border-radius:20px 0 0 20px;border:0;background:var(--card);max-width:320px;}
.site-drawer .offcanvas-header{border-bottom:1px solid var(--rule);padding:20px 22px;}
.drawer-title{display:inline-flex;align-items:center;gap:10px;font-weight:800;color:var(--deep);font-size:15px;}
.drawer-nav{display:grid;gap:8px;margin:18px 0 22px;}
.drawer-nav a{padding:13px 16px;border-radius:14px;background:#FBF9F6;border:1px solid var(--rule);font-weight:700;color:var(--deep);display:flex;align-items:center;justify-content:space-between;}
.drawer-nav a.active{background:var(--brand-soft);border-color:rgba(228,84,43,.35);color:var(--brand-dark);}
.drawer-nav a:hover{text-decoration:none;border-color:var(--brand);color:var(--brand-dark);}
.offcanvas-backdrop.show{opacity:.42;}

/* ============ 页头 ============ */
.page-hero{position:relative;overflow:hidden;background:var(--deep);color:#fff;padding:64px 0 58px;margin-top:-68px;padding-top:132px;}
.page-hero::before{content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-1.webp");background-size:cover;background-position:center;opacity:.55;}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(15,59,54,.93) 0%,rgba(15,59,54,.72) 55%,rgba(15,59,54,.42) 100%);}
.hero-inner{position:relative;z-index:2;max-width:860px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(232,240,238,.72);margin-bottom:20px;letter-spacing:.4px;}
.crumb a{color:rgba(232,240,238,.86);}
.crumb a:hover{color:#fff;}
.crumb i{font-size:9px;opacity:.6;}
.page-hero h1{color:#fff;font-size:40px;margin-bottom:18px;}
.page-hero .sub{color:#DCE9E5;font-size:17px;line-height:1.9;max-width:720px;margin-bottom:26px;}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(35,198,160,.16);border:1px solid rgba(35,198,160,.42);color:#9CF0D9;font-size:13px;font-weight:700;letter-spacing:.6px;margin-bottom:18px;}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(35,198,160,.18);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px;}
.trust-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:14px;color:#C9DCD7;letter-spacing:.3px;}
.trust-bar span{display:inline-flex;align-items:center;gap:8px;}
.trust-bar i.tick{color:var(--mint);font-size:8px;}
.trust-bar b{color:#fff;}

/* ============ 简介 + 数据卡 ============ */
.intro-block{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:34px 36px;box-shadow:var(--sh-1);}
.intro-block h2{font-size:24px;margin-bottom:14px;}
.intro-block p{font-size:16.5px;color:var(--text);}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:28px;}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.stat-card .k{font-size:13px;color:var(--muted);letter-spacing:.8px;margin-bottom:10px;}
.stat-card .v{font-size:30px;color:var(--deep);line-height:1.2;font-variant-numeric:tabular-nums;font-weight:800;}
.stat-card .v small{font-size:15px;color:var(--muted);font-weight:600;margin-left:4px;}
.stat-card .d{font-size:14px;color:var(--muted);margin-top:10px;}

/* ============ 交替图文行 ============ */
.alt-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.alt-row + .alt-row{margin-top:64px;}
.alt-media{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);background:#EFEAE2;}
.alt-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:20px;}
.alt-media .tag{position:absolute;left:16px;top:16px;background:var(--deep);color:#fff;font-size:13px;font-weight:700;padding:6px 14px;border-radius:999px;letter-spacing:.4px;}
.alt-row.reverse .alt-media{order:2;}
.alt-body h3{margin-bottom:12px;}
.alt-body .idx{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--brand-soft);color:var(--brand-dark);font-weight:800;font-size:15px;margin-bottom:14px;border:1px solid rgba(228,84,43,.22);}
.alt-body p{color:var(--text);}
.checklist{margin-top:16px;display:grid;gap:10px;}
.checklist li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text);}
.checklist li i{color:var(--mint);margin-top:6px;font-size:12px;}
.checklist li b{color:var(--ink);}

/* ============ 深色要点折叠 ============ */
.point-band{background:var(--deep);border-radius:26px;padding:48px 46px;position:relative;overflow:hidden;color:#E8F0EE;}
.point-band::after{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;border:1px solid rgba(255,255,255,.1);}
.point-band h2{color:#fff;position:relative;padding-left:16px;}
.point-band h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--brand);}
.point-band .lead{color:#A9C3BE;font-size:15px;padding-left:16px;margin-top:8px;max-width:620px;}
.point-list{display:grid;gap:12px;margin-top:32px;position:relative;}
.point-item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);border-radius:16px;padding:16px 20px;transition:background .22s ease,border-color .22s ease;}
.point-item:hover{background:rgba(255,255,255,.1);}
.point-item[open]{background:rgba(255,255,255,.1);border-color:rgba(35,198,160,.42);}
.point-item summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-weight:700;color:#fff;font-size:16px;}
.point-item summary::-webkit-details-marker{display:none;}
.point-item summary i{color:var(--mint);font-size:14px;transition:transform .24s ease;}
.point-item[open] summary i{transform:rotate(45deg);}
.point-item p{color:#BBD0CB;font-size:15px;margin-top:12px;line-height:1.85;}

/* ============ FAQ ============ */
.acc .accordion-item{border:0;background:transparent;margin-bottom:14px;border-radius:var(--r-card);overflow:hidden;}
.acc .accordion-button{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card) !important;
  font-weight:800;font-size:17px;color:var(--ink);padding:20px 22px;box-shadow:none;
  position:relative;letter-spacing:.3px;
}
.acc .accordion-button:focus{box-shadow:none;border-color:rgba(228,84,43,.4);}
.acc .accordion-button:not(.collapsed){color:var(--brand-dark);box-shadow:var(--sh-1);border-color:transparent;}
.acc .accordion-button::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:0;border-radius:4px;background:var(--brand);transition:width .24s ease;}
.acc .accordion-button:not(.collapsed)::before{width:4px;}
.acc .accordion-button::after{
  content:"+";background-image:none;font-size:24px;font-weight:700;color:var(--brand);
  width:28px;height:28px;display:flex;align-items:center;justify-content:center;
  transform:rotate(0deg);transition:transform .26s ease;flex:0 0 auto;line-height:1;
}
.acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--brand-dark);}
.acc .accordion-body{background:#fff;padding:2px 24px 22px;color:var(--text);font-size:15.5px;border-radius:0 0 var(--r-card) var(--r-card);}

/* ============ CTA 条 ============ */
.cta-band{background:var(--deep);border-radius:26px;padding:44px 46px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--brand);}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:10px;}
.cta-band p{color:#A9C3BE;margin:0;max-width:560px;font-size:15px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--deep);color:#E8F0EE;margin-top:var(--sp-sec);padding:64px 0 28px;}
.footer-top{border-top:1px solid rgba(255,255,255,.12);padding-top:44px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:14px;}
.site-footer p{color:#A9C3BE;font-size:14.5px;max-width:320px;}
.footer-col h4{color:#fff;font-size:14px;letter-spacing:1px;margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{color:#C9DCD7;font-size:14.5px;display:inline-block;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:var(--mint);transform:translateX(6px);text-decoration:none;}
.footer-contact li{color:#C9DCD7;font-size:14.5px;display:flex;align-items:center;gap:10px;}
.footer-contact i{color:var(--mint);width:16px;}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:46px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);color:#88A29D;font-size:13px;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .sec-head{margin-bottom:32px;}
}
@media (max-width:991.98px){
  :root{--sp-sec:72px;}
  h1{font-size:32px;}
  h2{font-size:26px;}
  .page-hero h1{font-size:32px;}
  .m-menu{display:none;}
  .hamburger{display:inline-flex;align-items:center;justify-content:center;}
  .dock{padding:9px 14px;border-radius:999px;}
  .dock-search.open{display:none;}
  .alt-row{grid-template-columns:1fr;gap:28px;}
  .alt-row.reverse .alt-media{order:0;}
  .alt-row + .alt-row{margin-top:52px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .point-band{padding:36px 28px;}
  .cta-band{padding:34px 28px;}
}
@media (max-width:767.98px){
  .stat-grid{grid-template-columns:1fr;}
  .page-hero{padding-top:118px;padding-bottom:44px;}
}
@media (max-width:575.98px){
  :root{--sp-sec:56px;}
  body{font-size:15.5px;}
  h1{font-size:27px;}
  h2{font-size:22px;}
  h3{font-size:19px;}
  .page-hero h1{font-size:26px;}
  .page-hero .sub{font-size:15.5px;}
  body .container{padding-left:16px;padding-right:16px;}
  .dock-logo .logo-text{display:none;}
  .intro-block{padding:24px 20px;}
  .stat-card{padding:18px;}
  .point-band{padding:28px 20px;}
  .cta-band{padding:28px 22px;}
  .hero-actions .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .acc .accordion-button{font-size:16px;padding:17px 18px;}
}

/* roulang page: category2 */
:root{
  --main:#E4542B;
  --main-dark:#C8410F;
  --main-soft:#FFF6F1;
  --ink:#0F3B36;
  --teal:#23C6A0;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --line:#E4DED5;
  --divider:#EDE7DE;
  --t1:#17211F;
  --t2:#3B4643;
  --t3:#6E7B77;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --sh:0 8px 24px rgba(15,59,54,.08);
  --sh-hover:0 14px 32px rgba(15,59,54,.14);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.2px;
  color:var(--t2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{color:var(--t1);letter-spacing:.5px;line-height:1.25;margin:0}
h1{font-size:40px;font-weight:800}
h2{font-size:30px;font-weight:800}
h3{font-size:21px;font-weight:700}
h4{font-size:17px;font-weight:700}
p{margin:0 0 14px}
a{color:var(--main-dark);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--main);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
img{max-width:100%;display:block;object-fit:cover;background:#EFEAE2}
button{font-family:inherit}
::selection{background:rgba(228,84,43,.2)}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.shell{max-width:1280px}}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-head h2{position:relative;padding-left:18px}
.sec-head h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:6px;border-radius:999px;background:var(--main)}
.sec-head .sec-sub{color:var(--t3);font-size:15px;margin:8px 0 0}
.sec-more{font-size:14px;font-weight:700;color:var(--main-dark);white-space:nowrap}
.sec-more i{font-size:11px;margin-left:4px;transition:transform .2s ease}
.sec-more:hover i{transform:translateX(3px)}
.num{font-variant-numeric:tabular-nums}

/* ---------- Dock 导航 ---------- */
.site-header{position:sticky;top:16px;z-index:1030;padding:0 16px}
.dock{
  max-width:1100px;margin:0 auto;
  display:flex;align-items:center;gap:16px;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border:1px solid var(--line);
  box-shadow:0 10px 30px rgba(15,59,54,.10);
  border-radius:999px;
  padding:10px 18px;
  transition:max-width .28s ease,box-shadow .28s ease;
}
.site-header.shrink .dock{max-width:1060px;box-shadow:0 14px 34px rgba(15,59,54,.16)}
.dock-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--ink);text-decoration:none;white-space:nowrap}
.dock-logo:hover{color:var(--ink);text-decoration:none}
.logo-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:10px;
  background:linear-gradient(135deg,var(--main),#F07A4E);
  color:#fff;display:grid;place-items:center;font-size:16px;font-weight:800;
}
.m-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.m-menu a{
  position:relative;padding:9px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--t2);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.m-menu a i{font-size:9px;opacity:.4;margin-left:3px}
.m-menu a::before{
  content:"";position:absolute;left:50%;top:3px;width:0;height:4px;border-radius:999px;
  background:var(--main);transform:translateX(-50%);transition:width .24s ease;
}
.m-menu a:hover{color:var(--ink);background:#FBF7F3;text-decoration:none}
.m-menu a:hover::before{width:4px}
.m-menu a.active{color:var(--main-dark);font-weight:800}
.m-menu a.active::before{width:4px}
.dock-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink);display:grid;place-items:center;
  cursor:pointer;transition:.2s ease;
}
.icon-btn:hover{border-color:var(--main);color:var(--main);background:var(--main-soft)}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--main);color:#fff;border:none;border-radius:999px;
  padding:11px 22px;font-size:15px;font-weight:700;cursor:pointer;
  box-shadow:0 6px 18px rgba(228,84,43,.28);
  transition:.22s ease;
}
.btn-main:hover{background:var(--main-dark);color:#fff;transform:translateY(-2px);text-decoration:none}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--ink);border:1.5px solid var(--ink);
  border-radius:999px;padding:10px 22px;font-size:15px;font-weight:700;
  cursor:pointer;transition:.22s ease;
}
.btn-ghost:hover{background:var(--ink);color:#fff;text-decoration:none;transform:translateY(-2px)}
.btn-solid-lg{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:var(--main);color:#fff;border:none;border-radius:var(--r-btn);
  padding:15px 30px;font-size:16px;font-weight:700;cursor:pointer;
  box-shadow:0 8px 22px rgba(228,84,43,.26);transition:.22s ease;
}
.btn-solid-lg:hover{background:var(--main-dark);color:#fff;text-decoration:none;transform:translateY(-2px)}
.btn-outline-lg{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:transparent;color:var(--ink);border:1.5px solid var(--ink);
  border-radius:var(--r-btn);padding:14px 28px;font-size:16px;font-weight:700;
  cursor:pointer;transition:.22s ease;
}
.btn-outline-lg:hover{background:var(--ink);color:#fff;text-decoration:none;transform:translateY(-2px)}
.burger{display:none}
.offcanvas{width:320px;border-radius:20px 0 0 20px;border:none}
.offcanvas-header{border-bottom:1px solid var(--divider);padding:18px 20px}
.offcanvas-body{padding:18px 20px}
.m-menu-mobile{display:flex;flex-direction:column;gap:6px;margin-bottom:20px}
.m-menu-mobile a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 16px;border-radius:14px;background:#FBF7F3;
  font-size:15px;font-weight:600;color:var(--t2);
}
.m-menu-mobile a i{font-size:11px;color:var(--t3)}
.m-menu-mobile a.active{background:var(--main-soft);color:var(--main-dark);font-weight:800}
.m-menu-mobile a:hover{text-decoration:none;background:#F5EFE9;color:var(--ink)}

/* ---------- 页头 ---------- */
.page-head{position:relative;background:#fff;border-bottom:1px solid var(--divider);overflow:hidden}
.page-head-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(0,1fr) auto;
  gap:40px;align-items:center;
  padding-top:76px;padding-bottom:56px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--main-soft);color:var(--main-dark);
  border:1px solid rgba(228,84,43,.22);
  font-size:13px;font-weight:700;letter-spacing:1px;
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:999px;background:var(--teal)}
.page-head h1{max-width:16em;margin-bottom:16px}
.page-head .lead{max-width:640px;font-size:16px;color:var(--t2);margin-bottom:26px}
.head-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.trust-inline{display:flex;flex-wrap:wrap;gap:18px;list-style:none;padding:0;margin:0;font-size:14px;color:var(--t3)}
.trust-inline li{display:flex;align-items:center;gap:8px}
.trust-inline li::before{content:"";width:7px;height:7px;border-radius:999px;background:var(--teal);flex:0 0 7px}
.trust-inline strong{color:var(--t1);font-variant-numeric:tabular-nums;font-size:15px}
.head-index{
  font-size:150px;font-weight:800;line-height:.9;letter-spacing:-6px;
  color:rgba(15,59,54,.06);font-variant-numeric:tabular-nums;user-select:none;
}
.tick-band{
  height:16px;
  background-image:repeating-linear-gradient(90deg,rgba(15,59,54,.16) 0 1px,transparent 1px 22px);
  border-top:1px solid var(--divider);
  position:relative;
}
.tick-band::after{content:"";position:absolute;left:0;top:0;width:120px;height:100%;background:var(--main)}

/* ---------- 时间线 ---------- */
.timeline{list-style:none;margin:0;padding:0}
.tl-item{position:relative;padding:0 0 38px 62px}
.tl-item::before{
  content:"";position:absolute;left:19px;top:38px;bottom:2px;width:2px;
  background:linear-gradient(180deg,rgba(228,84,43,.55),rgba(228,84,43,.08));
}
.tl-item:last-child{padding-bottom:0}
.tl-item:last-child::before{display:none}
.tl-num{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:999px;
  background:#fff;border:2px solid var(--main);color:var(--main-dark);
  display:grid;place-items:center;font-size:15px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.tl-item h3{margin-bottom:8px}
.tl-item p{margin-bottom:10px;max-width:760px}
.tl-meta{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--ink);
  background:#F3F6F5;border:1px solid var(--line);
  border-radius:999px;padding:4px 12px;
}
.chip.warm{background:var(--main-soft);color:var(--main-dark);border-color:rgba(228,84,43,.2)}
.chip b{font-variant-numeric:tabular-nums}

/* ---------- 图文双栏 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;align-items:center}
.split.reverse .split-media{order:2}
.split-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh)}
.split-media img{width:100%;aspect-ratio:4/3;border-radius:var(--r-card)}
.split-body h3{margin-bottom:12px}
.split-body p{margin-bottom:16px}
.tick-list{list-style:none;margin:0;padding:0}
.tick-list li{position:relative;padding-left:26px;margin-bottom:10px;font-size:15px}
.tick-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:1px;font-size:12px;color:var(--teal);
}

/* ---------- 参数 + 说明双栏 ---------- */
.pair-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);gap:24px;margin-bottom:24px}
.param-card,.note-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh);transition:box-shadow .25s ease,transform .25s ease;
}
.param-card:hover,.note-card:hover{box-shadow:var(--sh-hover);transform:translateY(-3px)}
.param-card h4,.note-card h4{margin-bottom:14px;display:flex;align-items:center;gap:8px}
.param-card h4 i,.note-card h4 i{color:var(--main);font-size:15px}
.param-line{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:11px 14px;border-radius:10px;font-size:15px;
}
.param-line:nth-child(odd){background:#FBF9F6}
.param-line span{color:var(--t3)}
.param-line b{color:var(--t1);font-variant-numeric:tabular-nums;font-weight:700}
.note-card p:last-child{margin-bottom:0}
.note-list{list-style:none;margin:0;padding:0}
.note-list li{
  position:relative;padding-left:20px;margin-bottom:10px;font-size:15px;color:var(--t2);
}
.note-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:2px;border-radius:2px;background:var(--main);
}

/* ---------- 下载入口 ---------- */
.platform-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.dl-btn{
  display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:14px 16px;transition:.22s ease;
}
.dl-btn:hover{border-color:var(--main);background:var(--main-soft);transform:translateY(-3px);text-decoration:none;box-shadow:var(--sh)}
.dl-btn i{font-size:22px;color:var(--ink);transition:color .22s ease;flex:0 0 auto}
.dl-btn:hover i{color:var(--main)}
.dl-btn strong{display:block;font-size:15px;color:var(--t1);line-height:1.4}
.dl-btn span{display:block;font-size:12.5px;color:var(--t3);font-variant-numeric:tabular-nums}
.dl-note{margin-top:16px;font-size:14px;color:var(--t3);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.dl-note i{color:var(--teal)}

/* ---------- 评价 ---------- */
.quote-grid{columns:3;column-gap:24px}
.quote-card{
  break-inside:avoid;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px;margin-bottom:24px;box-shadow:var(--sh);
  transition:box-shadow .25s ease,transform .25s ease;
}
.quote-card:hover{box-shadow:var(--sh-hover);transform:translateY(-3px)}
.quote-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.avatar{
  width:40px;height:40px;border-radius:999px;flex:0 0 40px;
  background:var(--ink);color:#fff;display:grid;place-items:center;
  font-weight:800;font-size:15px;
}
.avatar.alt{background:var(--main)}
.avatar.alt2{background:#2C6B60}
.quote-top strong{display:block;font-size:15px;color:var(--t1)}
.quote-top em{font-style:normal;font-size:12.5px;color:var(--t3)}
.quote-card p{font-size:15px;margin-bottom:0}
.quote-badge{
  margin-left:auto;font-size:12px;font-weight:700;color:#0B5B4B;
  background:rgba(35,198,160,.16);border-radius:999px;padding:3px 10px;
  font-variant-numeric:tabular-nums;white-space:nowrap;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.accordion-item{
  border:none;background:#fff;border-radius:var(--r-card) !important;
  margin-bottom:14px;box-shadow:var(--sh);overflow:hidden;position:relative;
}
.accordion-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--main);opacity:0;transition:opacity .25s ease;
}
.accordion-item:has(.accordion-button:not(.collapsed))::before{opacity:1}
.accordion-button{
  background:#fff;color:var(--t1);font-size:17px;font-weight:700;
  padding:20px 24px;border-radius:var(--r-card) !important;box-shadow:none !important;
}
.accordion-button:not(.collapsed){color:var(--main-dark);background:#fff}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(228,84,43,.18) !important;border-color:var(--main)}
.accordion-button::after{
  background-image:none;
  font-family:"Font Awesome 6 Free";font-weight:900;content:"\2b";
  display:grid;place-items:center;width:26px;height:26px;flex:0 0 26px;
  border-radius:999px;color:#fff;background-color:var(--main);
  font-size:12px;transition:transform .25s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);background-color:var(--main-dark)}
.accordion-body{padding:0 24px 22px;font-size:15px;color:var(--t2)}
.accordion-body p:last-child{margin-bottom:0}

/* ---------- CTA ---------- */
.final-cta{
  border-radius:24px;padding:56px;color:#fff;position:relative;overflow:hidden;
  background-image:linear-gradient(rgba(15,59,54,.92),rgba(15,59,54,.92)),url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
}
.final-cta h2{color:#fff;max-width:22em;margin-bottom:14px;padding-left:0}
.final-cta h2::before{display:none}
.final-cta p{color:rgba(232,240,238,.86);max-width:640px}
.final-cta .cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.final-cta .btn-outline-lg{color:#fff;border-color:rgba(255,255,255,.55)}
.final-cta .btn-outline-lg:hover{background:#fff;color:var(--ink);border-color:#fff}
.cta-points{display:flex;gap:22px;flex-wrap:wrap;list-style:none;padding:0;margin:24px 0 0;font-size:14px}
.cta-points li{display:flex;align-items:center;gap:8px;color:rgba(232,240,238,.9)}
.cta-points li i{color:var(--teal);font-size:13px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#E8F0EE;margin-top:96px;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{
  display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;
  color:#fff;margin-bottom:14px;
}
.footer-brand .logo-mark{background:linear-gradient(135deg,var(--main),#F07A4E)}
.site-footer p{color:rgba(232,240,238,.72);font-size:14px;max-width:320px}
.footer-col h4{
  font-size:14px;color:#fff;letter-spacing:1px;margin-bottom:16px;font-weight:700;
}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{
  display:inline-block;color:rgba(232,240,238,.72);font-size:14.5px;
  transition:color .22s ease,padding-left .22s ease;
}
.footer-col ul a:hover{color:var(--teal);padding-left:6px;text-decoration:none}
.footer-contact li{display:flex;align-items:center;gap:10px;color:rgba(232,240,238,.72);font-size:14.5px}
.footer-contact i{color:var(--teal);font-size:13px;width:16px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:44px;padding-top:22px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(232,240,238,.58);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .platform-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .quote-grid{columns:2}
}
@media (max-width:991.98px){
  .m-menu{display:none}
  .burger{display:grid}
  .dock{padding:10px 14px;gap:10px}
  .dock-logo{font-size:16px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  h1{font-size:32px}
  h2{font-size:25px}
  .page-head-inner{grid-template-columns:1fr;padding-top:52px;padding-bottom:44px;gap:20px}
  .head-index{font-size:96px;letter-spacing:-3px}
  .split{grid-template-columns:1fr;gap:22px}
  .split.reverse .split-media{order:0}
  .pair-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .final-cta{padding:40px 28px}
  .site-footer{margin-top:72px}
}
@media (max-width:767.98px){
  .shell{padding:0 16px}
  h1{font-size:28px}
  h2{font-size:22px}
  h3{font-size:19px}
  body{font-size:15.5px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .head-actions{width:100%}
  .head-actions .btn-solid-lg,
  .head-actions .btn-outline-lg{width:100%}
  .platform-grid{grid-template-columns:1fr}
  .quote-grid{columns:1}
  .tl-item{padding-left:52px}
  .tl-num{width:34px;height:34px;font-size:14px}
  .tl-item::before{left:16px;top:32px}
  .final-cta{padding:32px 22px;border-radius:18px}
  .final-cta .cta-actions .btn-solid-lg,
  .final-cta .cta-actions .btn-outline-lg{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .sec-head{margin-bottom:26px}
  .param-card,.note-card{padding:18px}
}
@media (max-width:519.98px){
  .head-index{display:none}
  .trust-inline{gap:12px;font-size:13px}
  .dock-logo span:not(.logo-mark){max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:middle}
}