/* roulang page: index */
:root{
  --brand:#0F9B8E;
  --brand-deep:#0A6E66;
  --brand-light:#D8F1EE;
  --accent:#FF7A45;
  --gold:#FFC24B;
  --bg:#F5F8F6;
  --white:#FFFFFF;
  --alt:#EEF4F2;
  --dark:#0C2B28;
  --ink:#12211F;
  --ink-2:#4A5C59;
  --ink-3:#889693;
  --line:#E2EAE7;
  --grad:linear-gradient(120deg,#0F9B8E 0%,#3FC1A6 55%,#FFB25C 100%);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(15,60,54,.06);
  --sh-2:0 12px 32px rgba(15,60,54,.14);
  --s8:8px; --s12:12px; --s16:16px; --s24:24px; --s32:32px; --s48:48px; --s64:64px; --s96:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-deep);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--ink);font-weight:700;line-height:1.25;letter-spacing:.01em;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.grid-container{max-width:1200px !important;padding-left:20px;padding-right:20px;}
.grid-container.narrow{max-width:840px !important;}

/* ---------- 倒计时条 ---------- */
.countdown-bar{height:40px;background:var(--grad);color:#fff;position:relative;z-index:60;}
.countdown-bar.is-hidden{display:none;}
.cd-inner{height:40px;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.cd-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.32);
  padding:3px 10px;border-radius:var(--r-pill);white-space:nowrap;
}
.cd-tag i{width:6px;height:6px;border-radius:50%;background:var(--gold);display:inline-block;}
.cd-clock{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;font-size:13px;}
.cd-cell{display:inline-flex;align-items:baseline;gap:2px;background:rgba(0,0,0,.14);border-radius:8px;padding:2px 8px;}
.cd-cell b{font-size:14px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;}
.cd-cell i{font-style:normal;font-size:11px;opacity:.85;}
.cd-close{
  width:26px;height:26px;border:0;border-radius:50%;cursor:pointer;
  background:rgba(255,255,255,.18);color:#fff;font-size:15px;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;transition:background .18s ease-out;
}
.cd-close:hover{background:rgba(255,255,255,.34);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:55;background:#fff;border-bottom:1px solid transparent;transition:box-shadow .2s ease-out,border-color .2s ease-out;}
.site-header.is-stuck{box-shadow:0 4px 18px rgba(15,60,54,.09);border-bottom-color:var(--line);}
.main-nav{display:flex;align-items:center;gap:var(--s24);height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-icon{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
  box-shadow:0 4px 12px rgba(15,155,142,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.14em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--ink-2);transition:all .18s ease-out;
}
.nav-links a:hover{background:var(--alt);color:var(--brand-deep);}
.nav-links a.active{color:var(--brand-deep);background:var(--brand-light);font-weight:600;}
.nav-badge{
  display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:600;
  color:var(--brand-deep);background:var(--brand-light);border-radius:var(--r-pill);
  padding:3px 9px;margin-left:6px;white-space:nowrap;
}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);
  background:#fff;border-radius:var(--r-sm);color:var(--ink);font-size:18px;cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-mask{display:none;position:fixed;inset:0;background:rgba(12,43,40,.45);z-index:57;}
.nav-mask.open{display:block;}
.drawer-cta{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;text-align:center;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,color .18s ease-out;
  min-height:44px;
}
.btn-primary{background:var(--grad);background-size:180% 100%;color:#fff;box-shadow:0 6px 18px rgba(15,155,142,.26);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,155,142,.32);background-position:100% 0;}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,122,69,.28);}
.btn-accent:hover{background:#ff8b5c;color:#fff;transform:translateY(-2px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand-deep);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-soft{background:var(--brand-light);color:var(--brand-deep);}
.btn-soft:hover{background:#c8eae5;color:var(--brand-deep);}
.btn-lg{padding:14px 30px;font-size:16px;}
.btn:active{transform:translateY(1px);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,#0A6E66 0%,#0F9B8E 48%,#3FC1A6 100%);
  padding:72px 0 64px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:26px 26px;opacity:.55;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,178,92,.32),transparent 68%);pointer-events:none;
}
.hero .grid-container{position:relative;z-index:2;}
.hero h1{color:#fff;font-size:50px;line-height:1.22;margin-bottom:16px;}
.hero-sub{font-size:17px;color:rgba(255,255,255,.9);margin-bottom:28px;max-width:520px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  color:#fff;border-radius:var(--r-pill);padding:5px 14px;margin-bottom:18px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-figure{margin:0;border-radius:var(--r-md);overflow:hidden;border:1px solid rgba(255,255,255,.36);box-shadow:0 24px 48px rgba(6,40,36,.34);}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-badges{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
.hero-badge{
  background:rgba(255,255,255,.94);border-radius:var(--r-sm);padding:12px 14px;
  display:flex;flex-direction:column;gap:2px;
}
.hero-badge b{font-size:17px;font-weight:700;color:var(--brand-deep);font-variant-numeric:tabular-nums;}
.hero-badge span{font-size:12px;color:var(--ink-3);}
.hero-badge i{color:var(--gold);font-size:12px;margin-right:4px;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section.alt{background:var(--alt);}
.section.tight{padding:64px 0;}
.sec-head{margin-bottom:40px;max-width:720px;}
.sec-tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;
  letter-spacing:.1em;color:var(--brand-deep);background:var(--brand-light);
  border-radius:var(--r-pill);padding:4px 12px;margin-bottom:14px;text-transform:uppercase;
}
.sec-head h2{font-size:34px;margin-bottom:12px;}
.sec-head p{color:var(--ink-2);font-size:16px;margin:0;}
.sec-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
.sec-more{font-size:15px;font-weight:600;color:var(--brand-deep);white-space:nowrap;}
.sec-more:hover{color:var(--accent);}

/* ---------- 卖点卡 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;}
.feature-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 24px 24px;box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.feature-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad);}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.feature-card.c-wide{grid-column:span 4;}
.feature-card.c-side{grid-column:span 2;}
.feature-card.c-third{grid-column:span 2;}
.f-icon{
  width:46px;height:46px;border-radius:14px;background:var(--brand-light);color:var(--brand-deep);
  display:inline-flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:16px;
}
.feature-card h3{font-size:19px;margin-bottom:8px;}
.feature-card p{font-size:14.5px;color:var(--ink-2);margin:0;}
.f-point{display:flex;align-items:center;gap:8px;margin-top:14px;font-size:13px;color:var(--brand-deep);font-weight:600;}
.f-point i{color:var(--gold);}

/* ---------- 图墙 ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:172px;gap:18px;}
.g-item{position:relative;overflow:hidden;border-radius:var(--r-md);border:1px solid var(--line);box-shadow:var(--sh-1);}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.g-item:hover img{transform:scale(1.04);}
.g-item::after{
  content:"";position:absolute;inset:auto 0 0 0;height:56%;
  background:linear-gradient(to top,rgba(12,43,40,.78),transparent);opacity:.9;pointer-events:none;
}
.g-cap{
  position:absolute;left:16px;bottom:14px;z-index:2;color:#fff;font-size:14px;font-weight:600;
  display:flex;align-items:center;gap:8px;
}
.g-cap i{color:var(--gold);font-size:12px;}
.g-1{grid-column:span 2;grid-row:span 2;}
.g-2{grid-column:span 2;grid-row:span 1;}
.g-5{grid-column:span 2;}
.g-6{grid-column:span 2;}

/* ---------- CTA / 表单 ---------- */
.cta-band{background:var(--dark);color:#fff;padding:72px 0;position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:38%;
  background:radial-gradient(circle at 20% 30%,rgba(63,193,166,.22),transparent 62%);
  pointer-events:none;
}
.cta-band .grid-container{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:32px;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.78);font-size:15.5px;margin-bottom:0;}
.cta-list{margin-top:22px;display:grid;gap:10px;}
.cta-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(255,255,255,.86);}
.cta-list i{color:var(--gold);margin-top:4px;font-size:12px;}
.form-card{background:#fff;border-radius:var(--r-lg);padding:28px 26px;box-shadow:0 20px 44px rgba(0,0,0,.28);}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-tip{font-size:13px;color:var(--ink-3);margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:6px;}
.field input,.field select{
  width:100%;height:48px;border:1px solid var(--line);background:var(--bg);
  border-radius:var(--r-sm);padding:0 14px;font-size:15px;color:var(--ink);
  transition:border-color .18s ease-out,box-shadow .18s ease-out,background .18s ease-out;
  appearance:none;
}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(15,155,142,.14);}
.form-note{font-size:12.5px;color:var(--ink-3);margin:12px 0 0;line-height:1.6;}
.form-msg{display:none;margin-top:12px;font-size:13px;color:var(--brand-deep);background:var(--brand-light);border-radius:var(--r-sm);padding:9px 12px;}
.form-msg.show{display:block;}

/* ---------- 资讯列表 ---------- */
.news-grid{margin-top:8px;}
.news-card{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);color:inherit;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cfe6e2;color:inherit;}
.news-thumb{display:block;overflow:hidden;border-bottom:1px solid var(--line);}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease-out;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{display:flex;flex-direction:column;flex:1 1 auto;padding:20px 22px 22px;}
.tag{
  align-self:flex-start;font-size:12px;font-weight:600;color:var(--brand-deep);
  background:var(--brand-light);border-radius:var(--r-pill);padding:3px 11px;margin-bottom:12px;
}
.news-title{font-size:17.5px;line-height:1.45;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card:hover .news-title{color:var(--brand-deep);}
.news-sum{font-size:14px;color:var(--ink-2);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);padding-top:14px;border-top:1px solid var(--line);
}
.news-meta i{font-style:normal;color:var(--brand);transition:transform .18s ease-out;}
.news-card:hover .news-meta i{transform:translateX(4px);}
.empty-state{
  text-align:center;padding:44px 24px;background:#fff;border:1px dashed var(--line);
  border-radius:var(--r-lg);max-height:240px;
}
.empty-state i{font-size:26px;color:var(--ink-3);display:block;margin-bottom:12px;}
.empty-state p{color:var(--ink-2);margin-bottom:16px;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:3fr 9fr;gap:40px;}
.faq-side h2{font-size:32px;margin-bottom:14px;}
.faq-side p{color:var(--ink-2);font-size:15px;}
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--ink);position:relative;transition:background .18s ease-out;
}
.faq-q:hover{background:var(--bg);}
.faq-item.open .faq-q{background:var(--bg);}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--brand);opacity:0;transition:opacity .18s ease-out;
}
.faq-item.open .faq-q::before{opacity:1;}
.faq-q span{flex:1 1 auto;}
.faq-q i{color:var(--brand);font-size:13px;transition:transform .2s ease-out;flex:0 0 auto;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease-out;}
.faq-a p{padding:0 24px 20px;margin:0;font-size:15px;color:var(--ink-2);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.site-footer h4{color:#fff;font-size:14px;font-weight:600;letter-spacing:.04em;margin-bottom:16px;opacity:.9;}
.site-footer p{color:rgba(255,255,255,.66);font-size:14px;line-height:1.75;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-icon{box-shadow:none;}
.footer-brand strong{color:#fff;font-size:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-links a:hover{color:#3FC1A6;}
.footer-contact li{margin-bottom:10px;display:flex;gap:9px;align-items:flex-start;color:rgba(255,255,255,.72);}
.footer-contact i{color:#3FC1A6;margin-top:4px;font-size:12px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:#3FC1A6;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .hero{padding:52px 0 46px;}
  .hero h1{font-size:36px;}
  .section{padding:64px 0;}
  .sec-head h2,.faq-side h2{font-size:27px;}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .feature-card.c-wide,.feature-card.c-side,.feature-card.c-third{grid-column:span 1;}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:160px;}
  .g-1{grid-column:span 2;grid-row:span 2;}
  .g-2{grid-column:span 2;}
  .g-5,.g-6{grid-column:span 1;}
  .faq-wrap{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav-links{
    position:fixed;top:0;right:-330px;width:310px;height:100%;z-index:58;
    background:#fff;flex-direction:column;align-items:stretch;gap:6px;
    padding:28px 20px;margin-left:0;transition:right .26s ease-out;
    box-shadow:-12px 0 34px rgba(12,43,40,.16);overflow-y:auto;
  }
  .nav-links.open{right:0;}
  .nav-links a{padding:13px 14px;border-radius:var(--r-sm);font-size:16px;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .drawer-cta{display:inline-flex;margin-top:16px;}
  .drawer-note{font-size:13px;color:var(--ink-3);padding:0 14px;line-height:1.7;}
}
@media screen and (max-width:767px){
  body{font-size:15.5px;}
  .cd-clock{font-size:12px;gap:4px;}
  .cd-cell{padding:1px 6px;}
  .cd-cell b{font-size:13px;}
  .hero h1{font-size:31px;}
  .hero-sub{font-size:15.5px;}
  .hero-badges{grid-template-columns:repeat(2,1fr);}
  .section{padding:52px 0;}
  .sec-head h2,.faq-side h2{font-size:24px;}
  .sec-head.split{flex-direction:column;align-items:flex-start;gap:10px;}
  .feature-grid{grid-template-columns:1fr;}
  .gallery{grid-template-columns:1fr;grid-auto-rows:200px;}
  .g-1,.g-2,.g-5,.g-6{grid-column:span 1;grid-row:span 1;}
  .cta-band{padding:52px 0;}
  .cta-band h2{font-size:25px;}
  .form-card{padding:22px 18px;margin-top:26px;}
  .faq-q{padding:17px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .grid-container{padding-left:16px;padding-right:16px;}
}
@media screen and (max-width:519px){
  .hero h1{font-size:27px;}
  .hero-cta .btn{width:100%;}
  .cd-tag{display:none;}
}

/* roulang page: article */
:root{
  --primary:#0F9B8E;
  --primary-dark:#0A6E66;
  --primary-light:#D8F1EE;
  --accent:#FF7A45;
  --gold:#FFC24B;
  --bg:#F5F8F6;
  --white:#FFFFFF;
  --alt:#EEF4F2;
  --dark:#0C2B28;
  --text:#12211F;
  --text-2:#4A5C59;
  --text-3:#889693;
  --border:#E2EAE7;
  --grad:linear-gradient(120deg,#0F9B8E 0%,#3FC1A6 55%,#FFB25C 100%);
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 2px 8px rgba(15,60,54,.06);
  --shadow-hover:0 12px 32px rgba(15,60,54,.14);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary-dark);text-decoration:none;transition:color .18s ease-out;}
a:hover,a:focus{color:var(--primary);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;letter-spacing:.01em;color:var(--text);}
p{margin:0 0 1em;}
button{font-family:inherit;}
.grid-container{max-width:1200px;width:100%;margin:0 auto;padding-left:20px;padding-right:20px;}
.grid-container.full{max-width:100%;padding-left:0;padding-right:0;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.site-header.is-scrolled{
  border-bottom-color:var(--border);
  box-shadow:0 4px 18px rgba(15,60,54,.08);
}
.main-nav{
  display:flex;
  align-items:center;
  gap:20px;
  height:74px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.brand-icon{
  width:42px;
  height:42px;
  border-radius:13px;
  background:var(--grad);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  box-shadow:0 6px 16px rgba(15,155,142,.28);
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:700;color:var(--text);letter-spacing:.02em;}
.brand-text em{font-style:normal;font-size:11px;color:var(--text-3);letter-spacing:.14em;}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-links a{
  display:inline-flex;
  align-items:center;
  height:42px;
  padding:0 16px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  transition:background .18s ease-out,color .18s ease-out;
}
.nav-links a:hover{background:var(--alt);color:var(--primary-dark);}
.nav-links a.active{
  background:var(--primary-light);
  color:var(--primary-dark);
  font-weight:600;
}
.drawer-note,.drawer-cta{display:none;}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 22px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:#fff;
  background:var(--grad);
  background-size:160% 100%;
  box-shadow:0 8px 20px rgba(255,122,69,.24);
  border:none;
  flex-shrink:0;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-position .3s ease-out;
}
.nav-cta:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 26px rgba(255,122,69,.34);
  background-position:100% 0;
}
.nav-cta:active{transform:translateY(1px);}
.nav-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:var(--primary-light);
  color:var(--primary-dark);
  font-size:12px;
  font-weight:600;
  flex-shrink:0;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--border);
  background:var(--white);
  color:var(--primary-dark);
  font-size:18px;
  cursor:pointer;
  margin-left:auto;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .18s ease-out;
}
.btn-primary{
  background:var(--grad);
  background-size:160% 100%;
  color:#fff;
  box-shadow:0 8px 20px rgba(255,122,69,.24);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 28px rgba(255,122,69,.34);
  background-position:100% 0;
}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;
  color:var(--primary-dark);
  border-color:rgba(15,155,142,.35);
}
.btn-ghost:hover{
  color:var(--primary-dark);
  background:var(--primary-light);
  border-color:var(--primary);
  transform:translateY(-2px);
}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}

/* ============ 文章首屏 ============ */
.article-hero{
  position:relative;
  overflow:hidden;
  background-color:var(--dark);
  background-image:linear-gradient(120deg,rgba(12,43,40,.94) 0%,rgba(10,110,102,.86) 52%,rgba(15,155,142,.66) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  padding:56px 0 62px;
  color:#fff;
}
.article-hero::after{
  content:"";
  position:absolute;
  right:-80px;
  top:-90px;
  width:340px;
  height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,194,75,.22),rgba(255,194,75,0) 70%);
  pointer-events:none;
}
.article-hero .grid-container{position:relative;z-index:2;}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-bottom:20px;
}
.crumb a{color:rgba(255,255,255,.85);}
.crumb a:hover{color:#fff;}
.crumb i{font-size:10px;color:rgba(255,255,255,.45);}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 14px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  background:var(--primary-light);
  color:var(--primary-dark);
}
.tag-on-dark{
  background:rgba(255,255,255,.14);
  color:#fff;
  border:1px solid rgba(255,255,255,.22);
}
.tag-accent{
  background:rgba(255,122,69,.16);
  color:#FFC7AF;
  border:1px solid rgba(255,122,69,.4);
}
.article-hero h1{
  color:#fff;
  font-size:44px;
  line-height:1.28;
  max-width:900px;
  margin-bottom:18px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:22px;
  font-size:13px;
  color:rgba(255,255,255,.74);
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta i{color:var(--gold);}

/* ============ 文章主体 ============ */
.article-main{padding:56px 0 72px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,820px) 300px;
  gap:48px;
  align-items:start;
  justify-content:center;
}
.article-panel{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:44px 48px 52px;
}
.lead-note{
  display:flex;
  gap:14px;
  padding:18px 20px;
  border-radius:var(--radius);
  background:var(--alt);
  border-left:4px solid var(--primary);
  color:var(--text-2);
  font-size:15px;
  margin-bottom:34px;
}
.lead-note i{color:var(--primary);font-size:18px;margin-top:3px;}
.article-body{font-size:17px;line-height:1.85;color:var(--text-2);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;
  font-size:30px;
  color:var(--text);
  margin:48px 0 18px;
  padding-left:16px;
  scroll-margin-top:100px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.18em;
  bottom:.18em;
  width:4px;
  border-radius:4px;
  background:var(--grad);
}
.article-body h3{
  font-size:22px;
  color:var(--text);
  margin:34px 0 12px;
  scroll-margin-top:100px;
}
.article-body h4{font-size:18px;color:var(--text);margin:26px 0 10px;}
.article-body strong{color:var(--text);font-weight:600;}
.article-body img{
  border-radius:var(--radius);
  margin:26px auto;
  border:1px solid var(--border);
}
.article-body figure{margin:26px 0;}
.article-body figcaption{
  text-align:center;
  font-size:13px;
  color:var(--text-3);
  margin-top:10px;
}
.article-body blockquote{
  margin:26px 0;
  padding:22px 26px;
  background:var(--primary-light);
  border-radius:var(--radius-sm);
  color:var(--primary-dark);
  font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul{margin:0 0 1.2em;}
.article-body ul li{
  position:relative;
  padding-left:26px;
  margin-bottom:10px;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:6px;
  top:.78em;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--primary);
}
.article-body ol{
  counter-reset:artnum;
  margin:0 0 1.2em;
}
.article-body ol li{
  counter-increment:artnum;
  position:relative;
  padding-left:40px;
  margin-bottom:12px;
}
.article-body ol li::before{
  content:counter(artnum);
  position:absolute;
  left:0;
  top:.28em;
  width:26px;
  height:26px;
  border-radius:9px;
  background:var(--primary-light);
  color:var(--primary-dark);
  font-size:13px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  font-variant-numeric:tabular-nums;
}
.article-body a{font-weight:500;border-bottom:1px solid rgba(15,155,142,.35);}
.article-body a:hover{border-bottom-color:var(--primary);}
.article-body table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  overflow:hidden;
  margin:26px 0;
  font-size:15px;
}
.article-body thead th{
  background:var(--primary-light);
  color:var(--primary-dark);
  font-weight:600;
  text-align:left;
  padding:14px 16px;
  border-bottom:1px solid var(--border);
}
.article-body tbody td{
  padding:14px 16px;
  border-bottom:1px solid var(--border);
  color:var(--text-2);
}
.article-body tbody tr:last-child td{border-bottom:none;}
.article-body tbody tr:nth-child(even){background:#FAFCFB;}
.article-body hr{
  border:none;
  height:1px;
  background:var(--border);
  margin:40px 0;
}
.tip-box{
  display:flex;
  gap:14px;
  padding:20px 22px;
  border-radius:var(--radius-sm);
  background:#FFF6F1;
  border:1px solid rgba(255,122,69,.28);
  color:#8A4526;
  font-size:15px;
  margin:26px 0;
}
.tip-box i{color:var(--accent);font-size:18px;margin-top:3px;}
.empty-state{
  text-align:center;
  padding:56px 24px;
}
.empty-state i{font-size:40px;color:var(--primary);margin-bottom:18px;display:block;}
.empty-state h3{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--text-3);margin-bottom:22px;}

/* 侧栏 */
.side-col{position:sticky;top:100px;display:flex;flex-direction:column;gap:22px;}
.side-card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:24px 22px;
}
.side-card h3{
  font-size:15px;
  color:var(--text);
  margin-bottom:16px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-card h3 i{color:var(--primary);}
#tocList li{margin-bottom:10px;}
#tocList a{
  display:block;
  font-size:14px;
  color:var(--text-2);
  line-height:1.6;
  padding-left:12px;
  border-left:2px solid var(--border);
  transition:color .16s ease-out,border-color .16s ease-out;
}
#tocList a:hover,#tocList a.is-active{
  color:var(--primary-dark);
  border-left-color:var(--primary);
}
.side-card-accent{
  background:var(--dark);
  border-color:var(--dark);
  color:rgba(255,255,255,.78);
}
.side-card-accent h3{color:#fff;}
.side-card-accent p{font-size:14px;margin-bottom:16px;color:rgba(255,255,255,.72);}
.side-card-accent .btn{width:100%;}
.side-list li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--text-2);
  margin-bottom:12px;
  line-height:1.6;
}
.side-list i{color:var(--primary);margin-top:5px;font-size:12px;}

/* 相关推荐 */
.related-section{
  margin-top:56px;
  padding-top:44px;
  border-top:1px solid var(--border);
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:28px;
  position:relative;
  padding-left:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.18em;bottom:.18em;
  width:4px;border-radius:4px;background:var(--grad);
}
.section-head p{font-size:14px;color:var(--text-3);margin:6px 0 0;padding-left:16px;}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:26px;
}
.post-card{
  display:flex;
  flex-direction:column;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
  height:100%;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.post-card .thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--alt);
}
.post-card .thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .3s ease-out;
}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-card .thumb .tag{
  position:absolute;
  left:12px;top:12px;
  background:rgba(255,255,255,.94);
}
.post-card-body{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.post-card-body h3{
  font-size:17px;
  line-height:1.5;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-card-body h3 a{color:var(--text);}
.post-card:hover .post-card-body h3 a{color:var(--primary-dark);}
.post-card-body p{
  font-size:14px;
  color:var(--text-3);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:16px;
}
.post-card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
  border-top:1px solid var(--border);
  padding-top:14px;
}
.post-card-foot i{color:var(--primary);}

/* 返回入口 */
.back-strip{
  margin-top:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  flex-wrap:wrap;
  padding:26px 30px;
  border-radius:var(--radius-lg);
  background:var(--alt);
  border:1px solid var(--border);
}
.back-strip strong{display:block;font-size:19px;margin-bottom:6px;}
.back-strip span{font-size:14px;color:var(--text-2);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  margin-top:20px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:16px;
}
.footer-brand strong{color:#fff;font-size:17px;}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin:0;}
.site-footer h4{
  font-size:14px;
  font-weight:600;
  color:rgba(255,255,255,.5);
  letter-spacing:.06em;
  margin-bottom:18px;
}
.footer-links li{margin-bottom:12px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.74);}
.footer-links a:hover{color:#3FC1A6;}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14px;
  margin-bottom:14px;
  color:rgba(255,255,255,.7);
  line-height:1.6;
}
.footer-contact i{color:#3FC1A6;margin-top:4px;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  padding:22px 0 30px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .main-nav{height:68px;gap:14px;}
  .nav-links{
    position:fixed;
    top:68px;
    left:0;
    right:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    background:var(--white);
    padding:18px 20px 24px;
    border-bottom:1px solid var(--border);
    box-shadow:0 18px 32px rgba(15,60,54,.12);
    max-height:0;
    overflow:hidden;
    opacity:0;
    visibility:hidden;
    transition:max-height .28s ease-out,opacity .2s ease-out,visibility .2s;
    margin-left:0;
  }
  .nav-links.is-open{
    max-height:520px;
    opacity:1;
    visibility:visible;
  }
  .nav-links a{
    height:48px;
    border-radius:var(--radius-sm);
    font-size:16px;
    padding:0 16px;
  }
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-cta,.nav-badge{display:none;}
  .drawer-note{
    display:block;
    font-size:13px;
    color:var(--text-3);
    padding:12px 16px 4px;
    margin:0;
    line-height:1.6;
  }
  .drawer-cta{display:inline-flex;margin-top:10px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .side-col{position:static;flex-direction:column;}
  .article-hero{padding:44px 0 48px;}
  .article-hero h1{font-size:34px;}
  .article-panel{padding:32px 28px 36px;}
  .article-body h2{font-size:25px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-main{padding:40px 0 56px;}
  .related-section{margin-top:44px;padding-top:34px;}
}
@media screen and (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .brand-text strong{font-size:15px;}
  .article-hero{padding:34px 0 40px;}
  .article-hero h1{font-size:27px;line-height:1.35;}
  .hero-meta{gap:14px;font-size:12px;}
  .article-panel{padding:24px 18px 30px;border-radius:var(--radius);}
  .article-body{font-size:16px;}
  .article-body h2{font-size:22px;margin:36px 0 14px;}
  .article-body h3{font-size:19px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .back-strip{padding:22px 20px;}
  .back-strip .btn{width:100%;}
  .section-head h2{font-size:23px;}
}

/* roulang page: category1 */
:root{
  --brand:#0F9B8E;
  --brand-dark:#0A6E66;
  --brand-light:#D8F1EE;
  --accent:#FF7A45;
  --gold:#FFC24B;
  --bg:#F5F8F6;
  --surface:#FFFFFF;
  --surface-alt:#EEF4F2;
  --dark:#0C2B28;
  --text:#12211F;
  --text-2:#4A5C59;
  --text-3:#889693;
  --line:#E2EAE7;
  --grad:linear-gradient(120deg,#0F9B8E 0%,#3FC1A6 55%,#FFB25C 100%);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --pill:999px;
  --sh:0 2px 8px rgba(15,60,54,.06);
  --sh-hover:0 12px 32px rgba(15,60,54,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:64px; --sp-8:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:.01em;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;font-size:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px;}
.grid-container{
  width:100%;
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}
.grid-x{display:flex;flex-flow:row wrap;}
.grid-x > .cell{min-width:0;}

/* ---------- 顶部活动状态条 ---------- */
.top-strip{background:var(--grad);color:#fff;position:relative;z-index:70;}
.top-strip .grid-container{
  display:flex;align-items:center;justify-content:center;gap:14px;
  min-height:44px;position:relative;flex-wrap:wrap;
}
.strip-tag{
  background:rgba(255,255,255,.2);
  border:1px solid rgba(255,255,255,.4);
  border-radius:var(--pill);
  padding:2px 12px;font-size:12px;font-weight:600;letter-spacing:.04em;
}
.strip-text{font-size:14px;font-weight:500;}
.strip-link{font-size:14px;font-weight:600;text-decoration:underline;text-underline-offset:3px;}
.strip-link:hover{color:#fff;opacity:.85;}
.strip-close{
  position:absolute;right:24px;top:50%;transform:translateY(-50%);
  width:32px;height:32px;border-radius:50%;display:grid;place-items:center;
  color:#fff;opacity:.82;transition:background .18s var(--ease),opacity .18s var(--ease);
}
.strip-close:hover{background:rgba(255,255,255,.2);opacity:1;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 22px rgba(15,60,54,.08);}
.main-nav{display:flex;align-items:center;gap:20px;min-height:74px;position:relative;flex-wrap:wrap;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-icon{
  width:42px;height:42px;border-radius:13px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-size:18px;
  box-shadow:0 6px 16px rgba(15,155,142,.3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--text-3);letter-spacing:.18em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links > a{
  padding:9px 15px;border-radius:var(--pill);font-size:15px;font-weight:500;color:var(--text-2);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.nav-links > a:hover{background:var(--brand-light);color:var(--brand-dark);}
.nav-links > a.active{background:var(--brand-light);color:var(--brand-dark);font-weight:600;}
.drawer-note,.drawer-cta{display:none;}
.nav-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:var(--brand-dark);
  background:#fff;border:1px solid var(--line);border-radius:var(--pill);
  padding:5px 12px;white-space:nowrap;
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  background:var(--brand-light);color:var(--brand-dark);
  place-items:center;font-size:18px;margin-left:auto;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:var(--grad);background-size:150% 100%;color:#fff;
  box-shadow:0 8px 20px rgba(15,155,142,.26);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,155,142,.34);background-position:100% 0;}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,122,69,.28);}
.btn-accent:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,122,69,.36);}
.btn-ghost{border:1.5px solid var(--brand);color:var(--brand-dark);background:transparent;}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-2px);}
.btn-light-ghost{border:1.5px solid rgba(255,255,255,.65);color:#fff;background:transparent;}
.btn-light-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--surface-alt);}
.section-surface{background:var(--surface);}
.section-head{max-width:780px;margin-bottom:48px;}
.section-head h2{font-size:34px;}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-dark);
  background:var(--brand-light);padding:6px 14px;border-radius:var(--pill);
  margin-bottom:16px;letter-spacing:.05em;
}
.section-head-center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- 分类横幅 ---------- */
.cat-banner{
  position:relative;overflow:hidden;color:#fff;padding:72px 0 80px;
  background-image:linear-gradient(120deg,rgba(9,38,35,.88) 0%,rgba(10,110,102,.78) 52%,rgba(255,122,69,.55) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.cat-banner::after{
  content:"";position:absolute;width:520px;height:520px;right:-180px;bottom:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,194,75,.28),transparent 68%);
}
.cat-banner .grid-container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.cat-banner h1{
  color:#fff;font-size:50px;line-height:1.18;margin-bottom:18px;
}
.banner-lead{
  font-size:17px;color:rgba(255,255,255,.88);max-width:600px;line-height:1.8;
}
.banner-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px;}
.banner-stats{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px;}
.stat-chip{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  border-radius:var(--pill);padding:8px 16px;font-size:13.5px;color:#fff;
  backdrop-filter:blur(4px);
}
.stat-chip b{color:var(--gold);font-weight:700;font-variant-numeric:tabular-nums;}
.banner-media{position:relative;}
.banner-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-md);border:1px solid rgba(255,255,255,.42);
  box-shadow:0 22px 44px rgba(6,24,22,.38);
}

/* ---------- 步骤条 ---------- */
.steps-row{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
.step-item{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:34px 28px 32px;box-shadow:var(--sh);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step-item::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;border-radius:var(--r-lg) var(--r-lg) 0 0;
  background:var(--grad);
}
.step-item::after{
  content:"";position:absolute;top:60px;right:-32px;width:32px;height:2px;
  background:linear-gradient(90deg,rgba(15,155,142,.45),rgba(15,155,142,0));
}
.step-item:last-child::after{display:none;}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.step-num{
  display:grid;place-items:center;width:52px;height:52px;border-radius:16px;
  background:var(--brand-light);color:var(--brand-dark);
  font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:20px;
}
.step-item h3{font-size:21px;margin-bottom:10px;}
.step-item p{color:var(--text-2);font-size:15.5px;}

/* ---------- 图文卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.info-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh);display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.info-card figure{margin:0;overflow:hidden;background:var(--surface-alt);}
.info-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .42s var(--ease);}
.info-card:hover img{transform:scale(1.04);}
.info-card-body{padding:26px 24px 30px;flex:1 1 auto;}
.pill-tag{
  display:inline-block;font-size:12px;font-weight:600;color:var(--brand-dark);
  background:var(--brand-light);border-radius:var(--pill);padding:4px 12px;margin-bottom:14px;
  letter-spacing:.04em;
}
.info-card-body h3{font-size:19px;margin-bottom:10px;}
.info-card-body p{color:var(--text-2);font-size:15px;}

/* ---------- 环境规格卡 ---------- */
.spec-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh);overflow:hidden;
}
.spec-card-head{padding:36px 36px 4px;}
.spec-card-head h3{font-size:23px;}
.spec-card-head p{color:var(--text-2);font-size:15px;margin-top:12px;max-width:720px;}
.spec-table{padding:26px 36px 40px;}
.spec-row{
  display:grid;grid-template-columns:1fr 1.25fr 1.35fr 1.6fr;
  gap:18px;align-items:center;padding:16px 18px;border-radius:10px;
  font-size:14.5px;color:var(--text-2);line-height:1.6;
}
.spec-row:not(.spec-row-head):nth-child(even){background:var(--surface-alt);}
.spec-row strong{color:var(--text);font-weight:600;}
.spec-row-head{
  background:var(--brand-light);color:var(--brand-dark);
  font-weight:600;font-size:13.5px;letter-spacing:.05em;
}
.spec-row-head + .spec-row{background:var(--surface-alt);}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:340px 1fr;gap:52px;align-items:start;}
.faq-side h2{font-size:32px;}
.faq-side p{color:var(--text-2);margin-top:16px;font-size:15.5px;}
.faq-side .btn{margin-top:26px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);position:relative;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 6px 22px 20px;font-size:17px;font-weight:600;text-align:left;
  position:relative;transition:color .18s var(--ease);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:3px;
  background:var(--brand);opacity:0;transition:opacity .2s var(--ease);
}
.faq-q i{color:var(--text-3);flex:0 0 auto;transition:transform .26s var(--ease),color .2s var(--ease);}
.faq-item.open .faq-q{color:var(--brand-dark);}
.faq-item.open .faq-q::before{opacity:1;}
.faq-item.open .faq-q i{transform:rotate(180deg);color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a-inner{padding:0 6px 24px 20px;color:var(--text-2);font-size:15.5px;line-height:1.8;}
.faq-item.open .faq-a{max-height:360px;}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--dark);color:#fff;padding:84px 0;
}
.cta-band::after{
  content:"";position:absolute;width:460px;height:460px;right:-140px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,155,142,.4),transparent 68%);
}
.cta-band::before{
  content:"";position:absolute;width:300px;height:300px;left:-100px;bottom:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,194,75,.18),transparent 70%);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center;}
.cta-band h2{color:#fff;font-size:33px;}
.cta-band p{color:rgba(255,255,255,.78);margin-top:16px;font-size:16px;max-width:620px;}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap;justify-content:flex-end;}
.cta-note{font-size:13px;color:rgba(255,255,255,.6);margin-top:20px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:44px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px;}
.footer-brand strong{color:#fff;font-size:17px;}
.site-footer p{font-size:14.5px;line-height:1.85;}
.site-footer h4{color:rgba(255,255,255,.9);font-size:14px;letter-spacing:.06em;margin-bottom:18px;font-weight:600;}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:#3FC1A6;}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;margin-bottom:12px;}
.footer-contact i{color:var(--brand);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);
  padding:24px 0 30px;display:flex;flex-wrap:wrap;gap:12px 24px;
  justify-content:space-between;font-size:13px;color:rgba(255,255,255,.52);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .section{padding:72px 0;}
  .cat-banner{padding:56px 0 64px;}
  .cat-banner h1{font-size:42px;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:900px){
  .nav-toggle{display:grid;}
  .nav-cta,.nav-badge{display:none;}
  .nav-links{
    position:absolute;left:0;right:0;top:100%;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;padding:16px 24px 26px;
    border-bottom:1px solid var(--line);
    box-shadow:0 20px 34px rgba(15,60,54,.14);
  }
  .nav-links.open{display:flex;}
  .nav-links > a{padding:14px 16px;border-radius:var(--r-sm);font-size:16px;}
  .drawer-note{display:block;font-size:13px;color:var(--text-3);padding:10px 16px 4px;line-height:1.7;}
  .drawer-cta{display:inline-flex;justify-content:center;margin-top:10px;}
  .steps-row{grid-template-columns:1fr;gap:20px;}
  .step-item::after{display:none;}
  .card-grid{grid-template-columns:1fr 1fr;gap:22px;}
  .spec-row{grid-template-columns:1fr;gap:6px;padding:14px 16px;}
  .spec-row-head{display:none;}
  .spec-row span::before{
    content:attr(data-l);display:inline-block;min-width:72px;
    color:var(--text-3);font-size:12.5px;
  }
  .spec-card-head{padding:26px 22px 0;}
  .spec-table{padding:18px 16px 26px;}
}
@media (max-width:768px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .top-strip .grid-container{justify-content:flex-start;padding-right:56px;gap:10px;}
  .strip-text{font-size:13px;}
  .strip-close{right:16px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:34px;}
  .section-head h2{font-size:26px;}
  .cat-banner{padding:44px 0 52px;}
  .cat-banner h1{font-size:32px;margin-bottom:14px;}
  .banner-lead{font-size:15.5px;}
  .banner-media{margin-top:28px;}
  .banner-stats{gap:8px;margin-top:26px;}
  .stat-chip{font-size:12.5px;padding:7px 13px;}
  .card-grid{grid-template-columns:1fr;}
  .faq-side h2{font-size:26px;}
  .faq-q{font-size:16px;padding:18px 4px 18px 16px;}
  .faq-a-inner{padding:0 4px 20px 16px;font-size:15px;}
  .cta-band{padding:56px 0;}
  .cta-band h2{font-size:25px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{margin-top:40px;}
}
@media (max-width:520px){
  .cat-banner h1{font-size:28px;}
  .banner-actions .btn{width:100%;}
  .btn{font-size:14.5px;padding:0 20px;}
}

/* roulang page: category2 */
:root{
  --brand:#0F9B8E;
  --brand-deep:#0A6E66;
  --brand-light:#D8F1EE;
  --accent:#FF7A45;
  --accent-deep:#E8622C;
  --gold:#FFC24B;
  --bg:#F5F8F6;
  --surface:#FFFFFF;
  --surface-alt:#EEF4F2;
  --dark:#0C2B28;
  --text:#12211F;
  --text-2:#4A5C59;
  --text-3:#889693;
  --line:#E2EAE7;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 2px 8px rgba(15,60,54,.06);
  --sh-2:0 12px 32px rgba(15,60,54,.14);
  --grad:linear-gradient(120deg,#0F9B8E 0%,#3FC1A6 55%,#FFB25C 100%);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-deep);text-decoration:none;transition:color .18s ease,background-color .18s ease;}
a:hover{color:var(--brand);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{color:var(--text);margin:0;line-height:1.26;letter-spacing:.01em;font-weight:700;}
h1{font-size:clamp(30px,4.4vw,50px);}
h2{font-size:clamp(24px,2.8vw,34px);}
h3{font-size:20px;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
figure{margin:0;}
.grid-container{max-width:var(--maxw);padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto;}
.grid-x.grid-margin-x{margin-left:-16px;margin-right:-16px;}
.grid-x.grid-margin-x>.cell{padding-left:16px;padding-right:16px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,122,69,.28);}
.btn-primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,122,69,.34);}
.btn-ghost{background:transparent;color:var(--brand-deep);border-color:rgba(15,155,142,.4);}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-deep);transform:translateY(-2px);}
.btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  padding:12px 0;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 10px 26px rgba(15,60,54,.08);}
.main-nav{display:flex;align-items:center;gap:16px;position:relative;}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto;}
.brand:hover{color:var(--text);}
.brand-icon{
  width:42px;height:42px;display:grid;place-items:center;flex:0 0 auto;
  border-radius:13px;background:var(--grad);color:#fff;font-size:17px;
  box-shadow:0 6px 16px rgba(15,155,142,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.16;}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:12px;color:var(--brand-deep);letter-spacing:.14em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{padding:10px 15px;border-radius:999px;font-size:15px;font-weight:500;color:var(--text-2);}
.nav-links a:hover{background:var(--brand-light);color:var(--brand-deep);}
.nav-links a.active{background:var(--brand-light);color:var(--brand-deep);font-weight:600;}
.nav-links a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.nav-cta{margin-left:10px;min-height:44px;padding:0 22px;}
.nav-badge{
  display:inline-flex;align-items:center;gap:6px;margin-left:6px;
  font-size:12px;font-weight:600;color:var(--brand-deep);
  background:var(--brand-light);border-radius:999px;padding:5px 11px;
}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:13px;
  border:1px solid var(--line);background:#fff;color:var(--brand-deep);
  margin-left:auto;cursor:pointer;place-items:center;font-size:17px;
}
.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.drawer-note{display:none;font-size:13px;color:var(--text-3);margin:8px 0 4px;padding:0 6px;line-height:1.7;}
.drawer-cta{display:none;margin-top:8px;}

/* 通用板块 */
.section{padding:88px 0;}
.section-alt{background:var(--surface-alt);}
.section-head{max-width:680px;margin-bottom:40px;}
.section-head p{color:var(--text-2);font-size:16.5px;margin:14px 0 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.1em;
  color:var(--brand-deep);background:var(--brand-light);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.eyebrow-light{background:rgba(255,255,255,.16);color:#EAFBF6;}

/* 页面横幅 */
.page-banner{
  position:relative;background:var(--dark);color:#fff;overflow:hidden;
  padding:56px 0 64px;
}
.page-banner::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(620px 340px at 10% 0%,rgba(15,155,142,.55),transparent 70%),
    radial-gradient(520px 300px at 92% 110%,rgba(255,178,92,.26),transparent 72%);
}
.page-banner .grid-container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;gap:9px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.62);margin-bottom:16px;
}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb i{font-size:10px;opacity:.7;}
.page-banner h1{color:#fff;margin:0 0 16px;}
.banner-sub{
  color:rgba(255,255,255,.78);font-size:16.5px;max-width:540px;margin:0 0 22px;
}
.banner-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:14px;color:rgba(255,255,255,.82);}
.banner-meta span{display:inline-flex;align-items:center;gap:8px;}
.banner-meta i{color:var(--gold);}
.banner-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.18);box-shadow:0 20px 44px rgba(0,0,0,.3);
}

/* 两栏图文 */
.split-figure{
  border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-1);background:#fff;
}
.split-figure img{width:100%;aspect-ratio:3/4;object-fit:cover;}
.split-body h2{margin-bottom:18px;}
.split-body p{color:var(--text-2);font-size:16px;}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.stat-badge{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--brand-light);border:1px solid rgba(15,155,142,.18);
  border-radius:999px;padding:10px 18px;font-size:14px;color:var(--brand-deep);font-weight:500;
}
.stat-badge b{
  font-size:19px;font-weight:700;color:var(--brand-deep);
  font-variant-numeric:tabular-nums;letter-spacing:0;
}
.stat-badge i{color:#E09B1F;font-size:13px;}

/* 编号要点 */
.number-list{border-bottom:1px solid var(--line);}
.number-item{
  display:grid;grid-template-columns:110px 300px 1fr;gap:32px;align-items:start;
  padding:32px 10px;border-top:1px solid var(--line);
  transition:background-color .2s ease,padding-left .2s ease;
}
.number-item:hover{background:#fff;padding-left:18px;}
.number-item .num{
  font-size:40px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.number-item h3{margin:0 0 6px;}
.number-item p{margin:0;color:var(--text-2);font-size:15.5px;}

/* 图墙 */
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.gallery figure{
  position:relative;border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);background:#fff;
  transition:transform .22s ease,box-shadow .22s ease;
}
.gallery figure:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease;}
.gallery figure:hover img{transform:scale(1.04);}
.gallery figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:34px 18px 16px;
  color:#fff;font-size:14px;line-height:1.6;
  background:linear-gradient(180deg,rgba(12,43,40,0) 0%,rgba(12,43,40,.86) 100%);
}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:3fr 9fr;gap:48px;align-items:start;}
.faq-intro p{color:var(--text-2);font-size:15.5px;margin-top:14px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:none;border:0;padding:22px 4px;text-align:left;cursor:pointer;
  font-size:16.5px;font-weight:600;color:var(--text);transition:color .18s ease;
}
.faq-q:hover{color:var(--brand-deep);}
.faq-q:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:10px;}
.faq-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;background:var(--brand-light);color:var(--brand-deep);
  font-size:12px;transition:transform .24s ease,background-color .24s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--brand);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{
  margin:0 0 22px;padding:2px 4px 2px 16px;font-size:15.5px;color:var(--text-2);
  border-left:3px solid transparent;transition:border-color .24s ease;
}
.faq-item.is-open .faq-a p{border-left-color:var(--brand);}

/* CTA */
.cta-band{position:relative;background:var(--dark);color:#fff;padding:80px 0;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(560px 320px at 88% 10%,rgba(15,155,142,.45),transparent 70%),
             radial-gradient(420px 260px at 6% 100%,rgba(255,178,92,.22),transparent 72%);
}
.cta-band .grid-container{position:relative;z-index:2;}
.cta-band h2{color:#fff;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.76);font-size:16.5px;max-width:620px;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cta-actions .btn{min-height:50px;padding:0 28px;}
.cta-back{display:inline-flex;align-items:center;gap:8px;margin-top:22px;font-size:14px;color:rgba(255,255,255,.72);}
.cta-back:hover{color:#fff;}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;margin-bottom:16px;}
.site-footer h4{font-size:14px;font-weight:600;color:rgba(255,255,255,.92);letter-spacing:.06em;margin-bottom:16px;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin:0;}
.footer-links,.footer-contact{display:grid;gap:10px;font-size:14px;}
.footer-links a{color:rgba(255,255,255,.72);}
.footer-links a:hover{color:#4FD2B8;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.66);}
.footer-contact i{color:var(--brand);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 30px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.52);
}

/* 响应式 */
@media (max-width:1023px){
  .nav-toggle{display:grid;}
  .nav-links{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:0 22px 48px rgba(15,60,54,.16);padding:16px;
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:13px 15px;border-radius:var(--r-sm);}
  .drawer-note{display:block;}
  .drawer-cta{display:inline-flex;}
  .nav-cta,.nav-badge{display:none;}
  .section{padding:64px 0;}
  .banner-visual{margin-top:32px;}
  .faq-wrap{grid-template-columns:1fr;gap:24px;}
  .number-item{grid-template-columns:84px 1fr;gap:18px;}
  .number-item .num{font-size:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (min-width:1024px){
  .drawer-note,.drawer-cta{display:none;}
}
@media (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .section{padding:48px 0;}
  .page-banner{padding:40px 0 48px;}
  .banner-meta{gap:12px;font-size:13px;}
  .gallery{grid-template-columns:1fr;gap:18px;}
  .number-item{grid-template-columns:1fr;gap:8px;padding:26px 6px;}
  .number-item:hover{padding-left:6px;}
  .cta-band{padding:56px 0;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;}
}