/* roulang page: index */
*,*::before,*::after{box-sizing:border-box;}
:root{
  --c-main:#0B3B2E;
  --c-main-d:#082A21;
  --c-main-l:#14624B;
  --c-accent:#FF6A2B;
  --c-accent-d:#E8571A;
  --c-lime:#C9F24D;
  --c-bg:#F6F4EF;
  --c-dark:#0A1512;
  --c-card:#FFFFFF;
  --c-ink:#14201C;
  --c-muted:#5A6B65;
  --c-rev:#F2F6F4;
  --c-line:rgba(11,59,46,.10);
  --c-line-rev:rgba(255,255,255,.12);
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
  --sh1:0 1px 2px rgba(10,21,18,.06);
  --sh2:0 8px 24px rgba(10,21,18,.08);
  --sh3:0 20px 48px rgba(10,21,18,.14);
  --font:"HarmonyOS Sans","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:.2px;}
p{margin:0;}
dl,dd,dt{margin:0;}
:focus-visible{outline:3px solid rgba(255,106,43,.45);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

.container{max-width:1240px;margin:0 auto;padding:0 24px;width:100%;}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head h2{font-size:32px;}
.section-sub{color:var(--c-muted);font-size:15px;margin-top:10px;max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--c-main-l);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);display:block;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  border:1.5px solid transparent;white-space:nowrap;
}
.btn i{font-size:14px;}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh1);}
.btn-primary:hover{background:#ff7c45;transform:translateY(-1px);box-shadow:var(--sh2);}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh1);}
.btn-ghost{background:transparent;border-color:rgba(11,59,46,.35);color:var(--c-main);}
.btn-ghost:hover{background:rgba(11,59,46,.08);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-main);font-weight:600;font-size:15px;
  border-bottom:2px solid transparent;transition:color .18s ease;
}
.btn-text i{transition:transform .18s ease;}
.btn-text:hover{color:var(--c-accent);}
.btn-text:hover i{transform:translateX(3px);}
.icon-btn{
  width:40px;height:40px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.14);color:#fff;font-size:15px;
  transition:background-color .18s ease,color .18s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.26);}
.icon-btn.dark{background:rgba(11,59,46,.06);color:var(--c-main);}
.icon-btn.dark:hover{background:rgba(11,59,46,.14);}

/* ---------- 标签 / 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.6;
}
.badge-main{background:rgba(11,59,46,.10);color:var(--c-main);}
.badge-accent{background:var(--c-accent);color:#fff;}
.badge-soft{background:rgba(10,21,18,.06);color:var(--c-muted);}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(10,21,18,.26);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  box-shadow:var(--sh1);
  transition:background-color .24s ease,height .24s ease,box-shadow .24s ease;
}
.site-header.scrolled{background:rgba(10,21,18,.96);box-shadow:var(--sh2);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;transition:height .24s ease;}
.site-header.scrolled .nav-wrap{height:64px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(150deg,var(--c-main-l),var(--c-main-d));
  color:var(--c-lime);font-weight:800;font-size:19px;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{color:#fff;font-size:17px;font-weight:800;letter-spacing:.5px;}
.main-nav{display:flex;align-items:center;gap:34px;}
.nav-link{
  position:relative;color:rgba(255,255,255,.92);font-size:15px;font-weight:600;
  padding:6px 0;transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-lime);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:#fff;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.menu-toggle{display:none;width:42px;height:42px;border-radius:10px;color:#fff;font-size:18px;background:rgba(255,255,255,.12);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,21,18,.5);z-index:95;
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;z-index:96;
  background:var(--c-main-d);padding:28px 24px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(100%);transition:transform .26s ease;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer .drawer-brand{color:#fff;font-weight:800;font-size:17px;margin-bottom:20px;}
.drawer a.drawer-link{
  color:rgba(255,255,255,.9);font-size:16px;font-weight:600;
  line-height:56px;border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer a.drawer-link.is-active{color:var(--c-lime);}
.drawer .btn{margin-top:24px;}
.drawer-close{position:absolute;top:18px;right:18px;width:38px;height:38px;border-radius:10px;color:#fff;background:rgba(255,255,255,.12);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--c-dark);padding:150px 0 96px;}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(8,42,33,.94) 0%,rgba(11,59,46,.86) 46%,rgba(10,21,18,.62) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;}
.hero-copy .eyebrow{color:var(--c-lime);}
.hero-copy .eyebrow::before{background:var(--c-lime);}
.hero h1{
  color:#fff;font-size:44px;line-height:1.22;margin:18px 0 18px;letter-spacing:.4px;
  max-width:15em;
}
.hero-sub{color:rgba(242,246,244,.82);font-size:17px;max-width:34em;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.trust-row{display:flex;flex-wrap:wrap;gap:28px;margin-top:38px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16);}
.trust-row li{display:flex;align-items:center;gap:9px;color:rgba(242,246,244,.9);font-size:14px;font-weight:600;}
.trust-row i{color:var(--c-lime);font-size:15px;}

.hero-card{
  background:var(--c-card);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh3);border:1px solid rgba(255,255,255,.14);
}
.hero-card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:rgba(11,59,46,.08);}
.hero-card-media img{width:100%;height:100%;object-fit:cover;}
.hero-card-media .badge{position:absolute;left:14px;top:14px;}
.hero-card-body{padding:24px;}
.hero-card-title{font-size:20px;margin-bottom:10px;}
.hero-card-desc{color:var(--c-muted);font-size:14.5px;line-height:1.7;}
.spec-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0;}
.spec-list dt{font-size:12px;color:var(--c-muted);}
.spec-list dd{font-size:17px;font-weight:700;color:var(--c-accent);font-variant-numeric:tabular-nums;margin-top:2px;}

/* ---------- 保障条 ---------- */
.guard-bar{background:var(--c-dark);color:var(--c-rev);}
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.guard-item{display:flex;align-items:center;gap:12px;padding:26px 22px;font-size:14px;font-weight:600;border-left:1px solid var(--c-line-rev);}
.guard-item:first-child{border-left:none;}
.guard-item i{color:var(--c-lime);font-size:18px;}

/* ---------- 主推网格 ---------- */
.product-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;}
.product-card{
  grid-column:span 2;
  display:flex;flex-direction:column;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh1);position:relative;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.product-card::before{
  content:"";position:absolute;top:0;left:0;width:0;height:0;
  border-top:14px solid var(--c-bg);border-right:14px solid transparent;z-index:3;
}
.product-card:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:rgba(255,106,43,.35);}
.product-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:rgba(11,59,46,.08);}
.product-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.product-card:hover .product-media img{transform:scale(1.04);}
.product-media .badge{position:absolute;left:14px;top:14px;z-index:2;}
.product-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.product-title{font-size:18px;}
.product-desc{color:var(--c-muted);font-size:14px;line-height:1.7;}
.product-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px dashed var(--c-line);}
.product-tier{font-size:13px;color:var(--c-muted);}
.product-tier strong{display:block;color:var(--c-accent);font-size:17px;font-variant-numeric:tabular-nums;}
.product-card.wide{grid-column:span 4;}
.product-card.wide .product-media{aspect-ratio:16/8;}
.product-card.row-card{
  grid-column:span 6;flex-direction:row;align-items:stretch;
}
.product-card.row-card .product-media{width:34%;aspect-ratio:auto;flex-shrink:0;}
.product-card.row-card .product-body{padding:26px 28px;}
.product-card.row-card .product-foot{border-top:1px dashed var(--c-line);}

/* ---------- 数据条 ---------- */
.stats-strip{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh1);display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;}
.stat-item{padding:30px 26px;border-left:1px solid var(--c-line);}
.stat-item:first-child{border-left:none;}
.stat-num{font-size:34px;font-weight:800;color:var(--c-accent);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-label{font-size:14px;color:var(--c-muted);margin-top:6px;}

/* ---------- 流程 ---------- */
.flow{padding:96px 0;background:var(--c-dark);color:var(--c-rev);position:relative;overflow:hidden;}
.flow-bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;opacity:.22;}
.flow .container{position:relative;z-index:2;}
.flow h2{color:#fff;font-size:32px;margin-bottom:12px;}
.flow-head p{color:rgba(242,246,244,.75);max-width:620px;}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:46px;}
.flow-card{
  background:rgba(255,255,255,.06);border:1px solid var(--c-line-rev);
  border-radius:var(--r-card);padding:26px 22px;transition:background-color .2s ease,transform .2s ease;
}
.flow-card:hover{background:rgba(255,255,255,.11);transform:translateY(-2px);}
.flow-index{font-size:14px;font-weight:800;color:var(--c-lime);font-variant-numeric:tabular-nums;letter-spacing:1px;}
.flow-card h3{color:#fff;font-size:18px;margin:14px 0 10px;}
.flow-card p{color:rgba(242,246,244,.72);font-size:14px;}

/* ---------- 评价轮播 ---------- */
.review-wrap{position:relative;}
.review-track{
  display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:12px;scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none;}
.review-card{
  flex:0 0 calc((100% - 44px)/3);
  scroll-snap-align:start;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh1);padding:28px;display:flex;flex-direction:column;gap:16px;
}
.review-card.dark{background:var(--c-main);color:var(--c-rev);border-color:transparent;}
.review-stars{color:var(--c-accent);font-size:14px;display:flex;gap:4px;}
.review-text{font-size:15px;line-height:1.85;color:inherit;}
.review-card.dark .review-text{color:rgba(242,246,244,.92);}
.review-person{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:16px;border-top:1px solid var(--c-line);}
.review-card.dark .review-person{border-top-color:rgba(255,255,255,.16);}
.review-avatar{
  width:40px;height:40px;border-radius:999px;background:rgba(11,59,46,.10);
  display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--c-main);flex-shrink:0;
}
.review-card.dark .review-avatar{background:rgba(201,242,77,.18);color:var(--c-lime);}
.review-name{font-size:14px;font-weight:700;}
.review-org{font-size:12.5px;color:var(--c-muted);}
.review-card.dark .review-org{color:rgba(242,246,244,.7);}
.review-nav{display:flex;gap:10px;}
.review-dots{display:none;justify-content:center;gap:8px;margin-top:18px;}
.review-dots span{width:8px;height:8px;border-radius:999px;background:rgba(11,59,46,.2);}
.review-dots span.on{background:var(--c-accent);width:22px;}

/* ---------- 最新信息 ---------- */
.news-layout{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:rgba(255,106,43,.35);}
.news-card:first-child{grid-column:span 2;}
.news-card:first-child .news-title{font-size:24px;}
.news-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.news-title{font-size:18px;line-height:1.5;}
.news-desc{color:var(--c-muted);font-size:14px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card:first-child .news-desc{-webkit-line-clamp:3;}
.news-meta{display:flex;align-items:center;gap:16px;margin-top:auto;padding-top:14px;border-top:1px dashed var(--c-line);font-size:13px;color:var(--c-muted);}
.news-meta .num{color:var(--c-main);}
.news-empty{
  grid-column:span 3;text-align:center;padding:56px 24px;
  background:var(--c-card);border:1px dashed var(--c-line);border-radius:var(--r-card);
}
.news-empty i{font-size:34px;color:rgba(11,59,46,.25);}
.news-empty p{color:var(--c-muted);margin:14px 0 20px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{background:var(--c-card);border:1px solid var(--c-line);border-radius:12px;box-shadow:var(--sh1);overflow:hidden;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;min-height:44px;text-align:left;font-size:17px;font-weight:600;color:var(--c-ink);
  transition:background-color .18s ease;
}
.faq-q:hover{background:rgba(11,59,46,.03);}
.faq-q .faq-icon{color:var(--c-accent);font-size:15px;transition:transform .22s ease;flex-shrink:0;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--c-muted);}

/* ---------- CTA ---------- */
.cta-band{position:relative;background:var(--c-main);color:#fff;overflow:hidden;}
.cta-band .cta-bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-3.webp");background-size:cover;background-position:center;opacity:.2;}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:64px 0;}
.cta-inner h2{font-size:30px;color:#fff;}
.cta-inner p{color:rgba(242,246,244,.78);font-size:15px;margin-top:10px;max-width:52em;}
.cta-actions{display:flex;gap:14px;flex-shrink:0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-main-d);color:rgba(242,246,244,.78);padding:72px 0 0;}
.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 .brand-mark{background:rgba(201,242,77,.16);color:var(--c-lime);}
.footer-brand span{color:#fff;font-weight:800;font-size:17px;}
.footer-about{font-size:14px;line-height:1.8;max-width:30em;}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;transition:color .18s ease;}
.footer-col a:hover{color:var(--c-lime);}
.footer-contact li{font-size:14px;display:flex;gap:10px;align-items:flex-start;line-height:1.7;}
.footer-contact i{color:var(--c-lime);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid var(--c-line-rev);padding:22px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(242,246,244,.6);
}
.footer-bottom a{color:rgba(242,246,244,.7);}
.footer-bottom a:hover{color:var(--c-lime);}

/* ---------- 移动吸底 CTA ---------- */
.sticky-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;
  height:64px;background:var(--c-accent);align-items:center;justify-content:center;
  color:#fff;font-size:16px;font-weight:700;gap:8px;box-shadow:0 -6px 20px rgba(10,21,18,.2);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero h1{font-size:38px;}
  .product-grid{grid-template-columns:repeat(4,1fr);}
  .product-card{grid-column:span 2;}
  .product-card.wide{grid-column:span 4;}
  .product-card.row-card{grid-column:span 4;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .main-nav{display:none;}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-actions .btn{display:none;}
  .hero{padding:126px 0 72px;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:34px;max-width:none;}
  .guard-grid{grid-template-columns:repeat(2,1fr);}
  .guard-item:nth-child(3){border-left:none;}
  .guard-item{border-top:1px solid var(--c-line-rev);}
  .guard-item:nth-child(1),.guard-item:nth-child(2){border-top:none;}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .review-card{flex:0 0 calc((100% - 22px)/2);}
  .news-layout{grid-template-columns:repeat(2,1fr);}
  .news-card:first-child{grid-column:span 2;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:34px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:52px 0;}
  .stats-strip{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(3){border-left:none;border-top:1px solid var(--c-line);}
  .stat-item:nth-child(4){border-top:1px solid var(--c-line);}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .section-head h2{font-size:24px;}
  .hero{padding:112px 0 60px;}
  .hero h1{font-size:30px;line-height:1.3;}
  .hero-sub{font-size:15.5px;}
  .hero-cta{flex-direction:column;}
  .hero-cta .btn{width:100%;}
  .trust-row{gap:16px 22px;}
  .product-grid{grid-template-columns:1fr;}
  .product-card,.product-card.wide,.product-card.row-card{grid-column:auto;}
  .product-card.row-card{flex-direction:column;}
  .product-card.row-card .product-media{width:100%;aspect-ratio:4/3;}
  .review-card{flex:0 0 86%;}
  .review-nav{display:none;}
  .review-dots{display:flex;}
  .news-layout{grid-template-columns:1fr;}
  .news-card:first-child{grid-column:auto;}
  .news-card:first-child .news-title{font-size:19px;}
  .news-empty{grid-column:auto;}
  .flow-grid{grid-template-columns:1fr;}
  .stats-strip{grid-template-columns:1fr;}
  .stat-item{border-left:none;border-top:1px solid var(--c-line);}
  .stat-item:first-child{border-top:none;}
  .guard-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-actions{flex-direction:column;width:100%;}
  .cta-actions .btn{width:100%;}
  .sticky-cta{display:flex;}
  body{padding-bottom:64px;}
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a p{padding:0 18px 20px;}
}
@media (max-width:480px){
  .hero h1{font-size:26px;}
  .brand-text{font-size:15px;}
  .hero-card-body{padding:20px;}
  .spec-list{grid-template-columns:1fr 1fr;}
  .section-head h2{font-size:22px;}
}

/* roulang page: article */
:root{
  --c-main:#0B3B2E;
  --c-main-dark:#082A21;
  --c-main-light:#14624B;
  --c-accent:#FF6A2B;
  --c-accent-soft:rgba(255,106,43,.12);
  --c-lime:#C9F24D;
  --c-bg:#F6F4EF;
  --c-dark:#0A1512;
  --c-card:#FFFFFF;
  --c-text:#14201C;
  --c-text-2:#5A6B65;
  --c-invert:#F2F6F4;
  --c-line:rgba(11,59,46,.10);
  --c-line-strong:rgba(11,59,46,.18);
  --r-card:16px;
  --r-img:16px;
  --r-btn:12px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(10,21,18,.06);
  --sh-2:0 8px 24px rgba(10,21,18,.08);
  --sh-3:0 20px 48px rgba(10,21,18,.14);
  --ease:200ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid rgba(255,106,43,.45);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:900;
  height:72px;
  display:flex;align-items:center;
  background:rgba(10,21,18,.26);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  box-shadow:var(--sh-1);
  transition:height 240ms ease,background 240ms ease,box-shadow 240ms ease;
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(10,21,18,.96);
  box-shadow:var(--sh-2);
}
.header-inner{display:flex;align-items:center;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(135deg,var(--c-accent),#ff8b52);
  color:#fff;font-weight:800;font-size:17px;
  clip-path:polygon(14px 0,100% 0,100% 100%,0 100%,0 14px);
}
.brand-text{color:var(--c-invert);font-weight:800;font-size:18px;letter-spacing:.02em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto;margin-right:auto;}
.nav-link{
  position:relative;
  color:rgba(242,246,244,.92);
  font-size:15px;font-weight:500;
  padding:6px 2px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;
  width:0;height:2px;background:var(--c-lime);
  transition:width 180ms ease;
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:#fff;}
.nav-link.is-active::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:12px;flex:none;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(255,255,255,.12);
  color:var(--c-invert);
  transition:background var(--ease),transform var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.24);}
.burger{
  display:none;
  width:40px;height:40px;border-radius:10px;
  background:rgba(255,255,255,.12);
  padding:10px;
}
.burger span{display:block;height:2px;background:var(--c-invert);border-radius:2px;margin:4px 0;}
.burger span:last-child{margin-bottom:0;}

/* 抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;
  width:82vw;max-width:340px;
  background:var(--c-main-dark);
  z-index:1000;
  padding:24px;
  transform:translateX(102%);
  transition:transform 260ms ease;
  display:flex;flex-direction:column;gap:8px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-close{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.12);color:var(--c-invert);display:grid;place-items:center;}
.drawer a.drawer-link{
  display:flex;align-items:center;
  min-height:56px;
  color:var(--c-invert);
  font-size:16px;font-weight:600;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.drawer a.drawer-link.is-active{color:var(--c-lime);}
.drawer-cta{margin-top:auto;padding-top:24px;}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(10,21,18,.5);
  z-index:990;
  opacity:0;visibility:hidden;
  transition:opacity 260ms ease,visibility 260ms ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:700;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:#ff7c45;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border:1.5px solid var(--c-main);color:var(--c-main);}
.btn-ghost:hover{background:rgba(11,59,46,.08);}
.btn-ghost-invert{background:transparent;border:1.5px solid rgba(255,255,255,.6);color:#fff;}
.btn-ghost-invert:hover{background:rgba(255,255,255,.14);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled]{background:#c9cdcb;color:#fff;opacity:.4;cursor:not-allowed;box-shadow:none;transform:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-main);font-weight:700;font-size:15px;
}
.link-arrow i{transition:transform 180ms ease;}
.link-arrow:hover i{transform:translateX(3px);}

/* ---------- 面包屑 & 文章头图 ---------- */
.article-hero{
  position:relative;
  min-height:320px;
  padding:112px 0 40px;
  background-image:linear-gradient(100deg,rgba(10,21,18,.88),rgba(10,21,18,.52)),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:var(--c-invert);
  display:flex;align-items:flex-end;
}
.article-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:96px;
  background:linear-gradient(180deg,rgba(10,21,18,0),rgba(10,21,18,.35));
  pointer-events:none;
}
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:rgba(242,246,244,.78);
  margin-bottom:18px;
}
.crumbs a:hover{color:var(--c-lime);}
.crumbs .sep{opacity:.5;}
.crumbs .current{color:var(--c-invert);max-width:min(560px,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero .kicker{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;border-radius:999px;
  background:rgba(201,242,77,.16);
  color:var(--c-lime);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  margin-bottom:16px;
}
.article-hero h1{
  font-size:36px;line-height:1.3;font-weight:800;
  max-width:880px;letter-spacing:.01em;
  position:relative;z-index:1;
}

/* ---------- 正文布局 ---------- */
.section{padding:72px 0;}
.article-wrap{
  max-width:760px;margin:0 auto;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  padding:44px 48px 40px;
  margin-top:-56px;
  position:relative;
  z-index:2;
}
.article-meta{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  padding-bottom:22px;margin-bottom:28px;
  border-bottom:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-2);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:700;
  background:rgba(11,59,46,.10);color:var(--c-main);
}
.badge-accent{background:var(--c-accent);color:#fff;}
.badge-lime{background:rgba(201,242,77,.22);color:#2f4a10;}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--c-line-strong);}
.article-body{font-size:16px;line-height:1.9;color:var(--c-text);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;
  font-size:24px;line-height:1.45;font-weight:800;
  margin:40px 0 16px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.24em;
  width:4px;height:1em;border-radius:2px;background:var(--c-accent);
}
.article-body h3{font-size:19px;font-weight:700;margin:28px 0 12px;}
.article-body h4{font-size:17px;font-weight:700;margin:22px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.5em;}
.article-body ul li{list-style:disc;margin:.45em 0;}
.article-body ol li{list-style:decimal;margin:.45em 0;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;
  background:rgba(11,59,46,.06);
  border-left:3px solid var(--c-main);
  border-radius:0 12px 12px 0;
  color:var(--c-text-2);
}
.article-body img{border-radius:var(--r-img);margin:24px 0 8px;width:100%;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--c-text-2);text-align:center;margin-top:8px;}
.article-body a{color:var(--c-main-light);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--c-accent);}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;overflow:hidden;border-radius:12px;}
.article-body thead th{background:var(--c-main);color:var(--c-invert);font-weight:700;}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--c-line);text-align:left;}
.article-body tbody tr:nth-child(even){background:rgba(11,59,46,.035);}
.article-body code{background:rgba(11,59,46,.07);border-radius:6px;padding:2px 6px;font-size:14px;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0;}

/* 空态 */
.empty-state{
  text-align:center;
  padding:56px 24px;
  border:1px dashed var(--c-line-strong);
  border-radius:var(--r-card);
  background:rgba(11,59,46,.03);
}
.empty-state .empty-icon{
  width:64px;height:64px;border-radius:50%;
  margin:0 auto 16px;
  display:grid;place-items:center;
  background:rgba(11,59,46,.08);
  color:var(--c-main);font-size:24px;
}
.empty-state h2{font-size:20px;font-weight:800;margin-bottom:8px;}
.empty-state p{color:var(--c-text-2);font-size:15px;margin-bottom:20px;}

/* 标签 */
.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:36px;padding-top:24px;border-top:1px solid var(--c-line);}
.tag-row .tag-label{font-size:13px;color:var(--c-text-2);}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:999px;border:1px solid var(--c-line-strong);
  font-size:13px;color:var(--c-text-2);
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.tag:hover{border-color:var(--c-accent);color:var(--c-accent);background:var(--c-accent-soft);}

/* 上下篇 */
.post-nav{
  max-width:760px;margin:32px auto 0;
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.post-nav a{
  display:flex;flex-direction:column;gap:6px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:18px 20px;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-nav a:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(255,106,43,.35);}
.post-nav .nav-label{font-size:12px;color:var(--c-text-2);font-weight:700;letter-spacing:.06em;}
.post-nav .nav-title{font-size:15px;font-weight:700;line-height:1.5;}

/* ---------- 相关推荐 ---------- */
.related{margin-top:64px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap;}
.section-head h2{font-size:28px;font-weight:800;line-height:1.3;}
.section-head p{color:var(--c-text-2);font-size:15px;margin-top:8px;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  position:relative;
  display:flex;flex-direction:column;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(255,106,43,.35);}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:rgba(11,59,46,.08);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-thumb .thumb-badge{position:absolute;left:12px;top:12px;}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{font-size:17px;line-height:1.5;font-weight:700;}
.news-body p{font-size:14px;color:var(--c-text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-text-2);padding-top:10px;border-top:1px solid var(--c-line);}
.news-card .card-link{position:absolute;inset:0;z-index:1;}
.news-card .card-link span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);}

/* ---------- CTA / 表单 ---------- */
.cta-band{
  background:var(--c-main-dark);
  color:var(--c-invert);
  border-radius:24px;
  padding:56px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;
  border-radius:50%;background:radial-gradient(circle,rgba(201,242,77,.16),transparent 70%);
}
.cta-band h2{font-size:30px;font-weight:800;line-height:1.35;margin-bottom:14px;}
.cta-band p{color:rgba(242,246,244,.82);font-size:15px;line-height:1.8;margin-bottom:22px;}
.cta-points{display:flex;flex-wrap:wrap;gap:14px;font-size:14px;color:rgba(242,246,244,.86);}
.cta-points li{display:flex;align-items:center;gap:8px;}
.cta-points i{color:var(--c-lime);}
.cta-form{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);
  padding:28px;
  max-width:560px;
  position:relative;z-index:1;
}
.cta-form h3{font-size:18px;font-weight:800;margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:rgba(242,246,244,.8);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;
  padding:0 14px;
  border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.2);
  background:rgba(10,21,18,.35);
  color:var(--c-invert);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{height:auto;padding:12px 14px;resize:vertical;min-height:88px;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:rgba(242,246,244,.45);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-accent);
  box-shadow:0 0 0 3px rgba(255,106,43,.22);
}
.field .hint{font-size:12px;color:rgba(242,246,244,.55);margin-top:6px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-main-dark);
  color:var(--c-invert);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;margin-bottom:14px;}
.footer-about{font-size:14px;line-height:1.85;color:rgba(242,246,244,.72);max-width:340px;}
.footer-col h3{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:rgba(242,246,244,.74);}
.footer-col a:hover{color:var(--c-lime);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(242,246,244,.74);line-height:1.7;}
.footer-contact i{margin-top:4px;color:var(--c-lime);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:rgba(242,246,244,.58);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;gap:36px;padding:44px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .burger{display:block;}
  .header-actions .icon-btn{display:none;}
  .section{padding:64px 0;}
  .article-hero{min-height:280px;padding:104px 0 34px;}
  .article-hero h1{font-size:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .site-header{height:64px;}
  .brand-text{font-size:16px;}
  .section{padding:56px 0;}
  .article-hero{min-height:220px;padding:92px 0 28px;}
  .article-hero h1{font-size:23px;line-height:1.35;}
  .crumbs{font-size:12px;margin-bottom:12px;}
  .crumbs .current{max-width:44vw;}
  .article-wrap{margin-top:-32px;padding:26px 20px 28px;border-radius:14px;}
  .article-body h2{font-size:20px;margin-top:32px;}
  .article-body h3{font-size:17px;}
  .card-grid{grid-template-columns:1fr;}
  .post-nav{grid-template-columns:1fr;}
  .section-head h2{font-size:23px;}
  .cta-band{padding:28px 20px;border-radius:18px;}
  .cta-band h2{font-size:22px;}
  .cta-form{padding:20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:480px){
  .article-hero h1{font-size:21px;}
  .brand-mark{width:32px;height:32px;font-size:15px;}
  .btn{padding:0 18px;font-size:14px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
:root{
  --c-main:#0B3B2E;
  --c-main-d:#082A21;
  --c-main-l:#14624B;
  --c-accent:#FF6A2B;
  --c-accent-h:#FF7C42;
  --c-lime:#C9F24D;
  --c-bg:#F6F4EF;
  --c-night:#0A1512;
  --c-card:#FFFFFF;
  --line:rgba(11,59,46,.10);
  --line-inv:rgba(255,255,255,.14);
  --t1:#14201C;
  --t2:#5A6B65;
  --t-inv:#F2F6F4;
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
  --sh1:0 1px 2px rgba(10,21,18,.06);
  --sh2:0 8px 24px rgba(10,21,18,.08);
  --sh3:0 20px 48px rgba(10,21,18,.14);
  --sec:96px;
  --font:"HarmonyOS Sans","PingFang SC","Source Han Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--c-bg);
  padding-bottom:0;
}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
dl,dd,dt,figure{margin:0}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid rgba(255,106,43,.45);outline-offset:2px;border-radius:6px}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section--tight{padding:72px 0}
.section--paper{background:#fff}
.section--dark{background:var(--c-night);color:var(--t-inv)}
.section--dark .section-sub{color:rgba(242,246,244,.68)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:56px}
.sec-head h2{font-size:32px;position:relative;padding-left:18px}
.sec-head h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:5px;border-radius:3px;background:var(--c-accent)}
.section-sub{margin-top:12px;color:var(--t2);font-size:16px;max-width:62ch;line-height:1.8}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:0;border-style:solid;
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,border-color .16s ease;
  text-align:center;white-space:nowrap;
}
.btn i{font-size:13px}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-h);transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh1)}
.btn-outline{background:transparent;border:1.5px solid var(--c-main);color:var(--c-main)}
.btn-outline:hover{background:rgba(11,59,46,.08);transform:translateY(-1px)}
.btn-outline-inv{background:transparent;border:1.5px solid rgba(255,255,255,.55);color:#fff}
.btn-outline-inv:hover{background:rgba(255,255,255,.14)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{background:#C9CFCC;color:#fff;opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;color:var(--c-main);
  font-weight:600;font-size:15px;border:0;background:none;padding:6px 0;
}
.btn-text i{transition:transform .18s ease;font-size:12px;color:var(--c-accent)}
.btn-text:hover i{transform:translateX(3px)}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:0;
  background:rgba(255,255,255,.14);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background-color .18s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.26)}
.icon-btn--light{background:rgba(11,59,46,.06);color:var(--c-main)}
.icon-btn--light:hover{background:rgba(11,59,46,.14)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(10,21,18,.26);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  box-shadow:var(--sh1);
  transition:background-color .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled{background:rgba(10,21,18,.96);box-shadow:var(--sh2)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .24s ease}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;letter-spacing:.4px;white-space:nowrap}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-lime);color:var(--c-night);
  display:inline-flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;flex:none;
}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:28px}
.nav-link{
  position:relative;color:rgba(242,246,244,.92);font-size:15px;font-weight:600;
  padding:14px 0;transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:auto;bottom:6px;height:2px;width:0;
  background:var(--c-lime);transition:width .18s ease;
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:12px}
.menu-toggle{
  width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.10);color:#fff;display:none;
  align-items:center;justify-content:center;font-size:16px;
}
.menu-toggle:hover{background:rgba(255,255,255,.2)}
.nav-mask{
  position:fixed;inset:0;background:rgba(10,21,18,.5);z-index:110;
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
}
.nav-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:340px;z-index:120;
  background:var(--c-main-d);color:var(--t-inv);
  transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:24px 22px;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-title{font-size:15px;font-weight:700;color:#fff}
.drawer-close{width:40px;height:40px;border-radius:999px;border:0;background:rgba(255,255,255,.12);color:#fff;display:inline-flex;align-items:center;justify-content:center}
.drawer-close:hover{background:rgba(255,255,255,.24)}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;border-bottom:1px solid var(--line-inv);
  font-size:16px;font-weight:600;color:rgba(242,246,244,.9);
}
.drawer-nav a.is-active{color:var(--c-lime)}
.drawer-nav a i{font-size:12px;color:rgba(242,246,244,.4)}
.drawer-foot{margin-top:auto;padding-top:20px}

/* ---------- 内页横幅 ---------- */
.page-hero{
  position:relative;color:var(--t-inv);
  min-height:300px;display:flex;align-items:flex-end;
  padding:150px 0 48px;
  background-color:#0A1512;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,42,33,.78),rgba(10,21,18,.88));
}
.page-hero .container{position:relative;z-index:1;width:100%}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(242,246,244,.7);margin-bottom:16px}
.breadcrumb a{color:rgba(242,246,244,.78);transition:color .18s ease}
.breadcrumb a:hover{color:var(--c-lime)}
.breadcrumb .sep{color:rgba(242,246,244,.38)}
.breadcrumb [aria-current] {color:var(--c-lime);font-weight:600}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1.2px;color:var(--c-lime);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-lime);border-radius:2px}
.page-hero h1{font-size:clamp(28px,4vw,42px);line-height:1.22;max-width:22ch}
.page-hero .hero-sub{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(242,246,244,.8);max-width:64ch}

/* ---------- 指标条 ---------- */
.stat-band{
  background-color:var(--c-night);color:var(--t-inv);
  background-image:repeating-linear-gradient(96deg,rgba(201,242,77,.055) 0 1px,transparent 1px 20px);
  padding:56px 0;
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.stat-card{border-left:2px solid rgba(255,255,255,.14);padding-left:20px}
.stat-num{
  display:block;font-size:40px;font-weight:700;line-height:1;
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
  color:var(--c-accent);letter-spacing:.5px;
}
.stat-num i{font-style:normal;font-size:22px;margin-left:2px}
.stat-label{display:block;margin-top:12px;font-size:15px;font-weight:600;color:#fff}
.stat-desc{margin-top:6px;font-size:13px;line-height:1.7;color:rgba(242,246,244,.6)}

/* ---------- 交错图文 ---------- */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
  padding:44px 0;border-bottom:1px solid var(--line);
}
.split:last-child{border-bottom:0}
.split.is-reverse .split-body{order:2}
.split.is-reverse .split-media{order:1}
.split-kicker{
  display:inline-block;font-size:13px;font-weight:700;color:var(--c-main-l);
  letter-spacing:1px;margin-bottom:12px;
}
.split-body h3{font-size:22px;margin-bottom:14px}
.split-body p{color:var(--t2);margin-bottom:14px}
.points{margin:18px 0 20px;display:grid;gap:10px}
.points li{display:flex;gap:10px;font-size:15px;color:var(--t1);line-height:1.7}
.points li i{color:var(--c-accent);font-size:12px;margin-top:7px;flex:none}
.split-media{position:relative}
.split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-card);box-shadow:var(--sh2);
  background:rgba(11,59,46,.08);
}
.has-notch::after{
  content:"";position:absolute;top:0;left:0;
  border-top:14px solid var(--c-accent);
  border-right:14px solid transparent;
  border-top-left-radius:var(--r-card);
}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.flow-card{
  background:rgba(255,255,255,.045);
  border:1px solid var(--line-inv);
  border-radius:var(--r-card);
  padding:26px 22px;
  transition:transform .2s ease,border-color .2s ease,background-color .2s ease;
}
.flow-card:hover{transform:translateY(-3px);border-color:rgba(201,242,77,.5);background:rgba(255,255,255,.08)}
.flow-num{
  display:block;font-size:26px;font-weight:700;color:var(--c-lime);
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
  margin-bottom:14px;letter-spacing:1px;
}
.flow-card h3{font-size:17px;color:#fff;margin-bottom:10px}
.flow-card p{font-size:14px;line-height:1.75;color:rgba(242,246,244,.66)}

/* ---------- 规格对照 ---------- */
.spec-grid{display:grid;grid-template-columns:1fr 1fr;column-gap:56px}
.spec-item{padding:20px 0;border-top:1px solid var(--line)}
.spec-item dt{
  font-size:13px;font-weight:700;color:var(--c-main-l);
  letter-spacing:.6px;margin-bottom:6px;
}
.spec-item dd{font-size:15px;line-height:1.8;color:var(--t2)}
.spec-note{margin-top:28px;font-size:13px;color:var(--t2)}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--sh1);margin-bottom:14px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(255,106,43,.35);box-shadow:var(--sh2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:44px;padding:20px 22px;background:none;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--t1);line-height:1.6;
}
.faq-q i{color:var(--c-accent);font-size:14px;transition:transform .22s ease;flex:none}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--t2)}
.faq-item.is-open{border-color:rgba(11,59,46,.22)}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--c-main) 0%,var(--c-main-l) 100%);
  color:#fff;padding:64px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-inner h2{font-size:30px;max-width:20ch}
.cta-inner p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(242,246,244,.82);max-width:52ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-main-d);color:rgba(242,246,244,.78);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.25fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px}
.footer-about{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(242,246,244,.66);max-width:36ch}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul li a{display:inline-block;font-size:14px;line-height:2.1;color:rgba(242,246,244,.72);transition:color .18s ease}
.footer-col ul li a:hover{color:var(--c-lime)}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.8;margin-bottom:10px;color:rgba(242,246,244,.72)}
.footer-contact i{color:var(--c-lime);margin-top:5px;flex:none;font-size:13px}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(242,246,244,.5);line-height:1.8;
}

/* ---------- 移动吸底 ---------- */
.sticky-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:var(--c-night);border-top:1px solid var(--line-inv);
  padding:10px 16px;align-items:center;gap:14px;
}
.sticky-cta .sticky-text{font-size:13px;color:rgba(242,246,244,.8);flex:1;line-height:1.5}
.sticky-cta .btn{height:44px;padding:0 20px;font-size:14px}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .flow-grid{grid-template-columns:repeat(3,1fr)}
  .split{gap:44px}
}
@media (max-width:1023px){
  :root{--sec:72px}
  .main-nav{display:none}
  .menu-toggle{display:inline-flex}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .split{grid-template-columns:1fr;gap:28px;padding:36px 0}
  .split.is-reverse .split-body{order:1}
  .split.is-reverse .split-media{order:2}
  .spec-grid{grid-template-columns:1fr;column-gap:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:40px}
  .sec-head h2{font-size:26px}
  .page-hero h1{font-size:30px}
}
@media (max-width:767px){
  :root{--sec:56px}
  .container{padding:0 16px}
  body{padding-bottom:74px}
  .flow-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-num{font-size:32px}
  .page-hero{padding:120px 0 36px;min-height:260px}
  .page-hero h1{font-size:26px;max-width:100%}
  .page-hero .hero-sub{font-size:15px}
  .cta-inner h2{font-size:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .sticky-cta{display:flex}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .brand span.brand-text{font-size:15px}
  .faq-q{font-size:16px;padding:18px}
}
@media (max-width:520px){
  .stat-grid{grid-template-columns:1fr;gap:20px}
  .stat-card{border-left-width:2px}
  .btn{padding:0 18px;font-size:14px}
  .split-body h3{font-size:19px}
  .cta-actions{flex-direction:column}
}

/* roulang page: category2 */
:root{
  --c-main:#0B3B2E;
  --c-main-deep:#082A21;
  --c-main-light:#14624B;
  --c-accent:#FF6A2B;
  --c-accent-soft:rgba(255,106,43,.12);
  --c-lime:#C9F24D;
  --c-bg:#F6F4EF;
  --c-ink:#0A1512;
  --c-text:#14201C;
  --c-muted:#5A6B65;
  --c-line:rgba(11,59,46,.10);
  --c-white:#FFFFFF;
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(10,21,18,.06);
  --sh-2:0 8px 24px rgba(10,21,18,.08);
  --sh-3:0 20px 48px rgba(10,21,18,.14);
  --nav-h:72px;
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
[hidden]{display:none !important}
:focus-visible{outline:3px solid rgba(255,106,43,.45);outline-offset:2px;border-radius:6px}
::selection{background:var(--c-lime);color:var(--c-ink)}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
  border:1.5px solid transparent;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(255,106,43,.28)}
.btn-primary:hover{background:#ff7c44;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 3px 10px rgba(255,106,43,.24)}
.btn-ghost{border-color:var(--c-main);color:var(--c-main);background:transparent}
.btn-ghost:hover{background:rgba(11,59,46,.08);transform:translateY(-1px)}
.btn-outline-light{border-color:rgba(255,255,255,.7);color:#fff;background:rgba(255,255,255,.04)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-main);font-weight:700;font-size:15px;transition:color .18s ease;
}
.btn-text i{transition:transform .18s ease}
.btn-text:hover{color:var(--c-accent)}
.btn-text:hover i{transform:translateX(3px)}
.btn:disabled,.btn[aria-disabled="true"]{background:#d8d8d3;color:#8c8c86;box-shadow:none;cursor:not-allowed;transform:none}
.icon-btn{
  width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
  background:rgba(255,255,255,.12);color:#F2F6F4;
  transition:background-color .18s ease,transform .18s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.24)}
.icon-btn:active{transform:scale(.96)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(10,21,18,.26);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  box-shadow:var(--sh-1);
  transition:background-color .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.is-scrolled{
  background:rgba(10,21,18,.96);
  border-bottom-color:rgba(255,255,255,.08);
  box-shadow:var(--sh-2);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:var(--nav-h);transition:height .24s ease}
.site-header.is-scrolled .nav-inner{height:64px}
.brand{display:flex;align-items:center;gap:11px;color:#F2F6F4;font-size:17px;font-weight:800;letter-spacing:.01em;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-accent) 0%,#ffa06b 45%,var(--c-lime) 130%);
  color:#0A1512;font-weight:800;font-size:17px;
  box-shadow:0 4px 14px rgba(255,106,43,.32);
  clip-path:polygon(0 0,100% 0,100% 76%,76% 100%,0 100%);
}
.main-nav{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:rgba(242,246,244,.92);
  transition:color .18s ease,background-color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--c-lime);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-link:hover{color:#fff}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.12);color:#F2F6F4;place-items:center}
.search-wrap{position:relative}
.search-panel{
  position:absolute;top:52px;right:0;width:320px;padding:14px;
  background:#fff;border-radius:var(--r-card);border:1px solid var(--c-line);
  box-shadow:var(--sh-3);display:flex;gap:8px;
}
.search-panel input{
  flex:1;height:40px;padding:0 12px;border-radius:var(--r-input);
  border:1px solid var(--c-line);background:var(--c-bg);color:var(--c-text);font-size:14px;
}
.search-panel input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(255,106,43,.18)}

.drawer-mask{position:fixed;inset:0;background:rgba(10,21,18,.5);opacity:0;pointer-events:none;transition:opacity .28s ease;z-index:70}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;z-index:80;
  background:var(--c-main-deep);padding:24px 20px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(100%);transition:transform .28s ease;box-shadow:var(--sh-3);
}
.drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-head span{color:#F2F6F4;font-weight:800}
.drawer .nav-link{height:56px;padding:0 14px;font-size:16px;color:rgba(242,246,244,.86);border-radius:12px}
.drawer .nav-link::after{display:none}
.drawer .nav-link:hover{background:rgba(255,255,255,.08)}
.drawer .nav-link.is-active{background:rgba(201,242,77,.14);color:var(--c-lime)}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid rgba(255,255,255,.12)}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding:150px 0 96px;min-height:620px;display:flex;align-items:center;
  color:#F2F6F4;
  background-image:linear-gradient(180deg,rgba(8,42,33,.88) 0%,rgba(8,42,33,.68) 55%,rgba(8,42,33,.86) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:180px;
  background:repeating-linear-gradient(96deg,rgba(201,242,77,.07) 0 2px,transparent 2px 16px);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:900px;margin:0 auto;text-align:center}
.breadcrumb{display:flex;justify-content:center;gap:8px;font-size:13px;color:rgba(242,246,244,.7);margin-bottom:22px}
.breadcrumb li+li::before{content:"/";margin-right:8px;opacity:.5}
.breadcrumb a:hover{color:var(--c-lime)}
.breadcrumb [aria-current]{color:rgba(242,246,244,.95)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  letter-spacing:.14em;color:var(--c-accent);
}
.eyebrow-light{color:var(--c-lime)}
.hero h1{font-size:44px;line-height:1.2;margin:18px 0 0}
.hero-lead{margin:20px auto 0;max-width:700px;font-size:17px;color:rgba(242,246,244,.86)}
.hero-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:34px}
.stat-badges{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-top:44px}
.stat-badge{
  display:flex;align-items:baseline;gap:10px;padding:14px 24px;border-radius:999px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.stat-badge b{font-size:24px;font-weight:800;color:var(--c-lime);font-variant-numeric:tabular-nums;line-height:1}
.stat-badge span{font-size:14px;color:rgba(242,246,244,.82)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-dark{background:var(--c-ink);color:#F2F6F4}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
.section-head h2{font-size:32px;margin-top:12px}
.section-head .head-sub{margin-top:12px;color:var(--c-muted);max-width:660px;font-size:15.5px}
.section-dark .section-head h2{color:#F2F6F4}
.section-dark .section-head .head-sub{color:rgba(242,246,244,.70)}

/* ---------- 横向卡带 ---------- */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 22px;scrollbar-width:thin;scrollbar-color:rgba(11,59,46,.28) transparent;
}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-track{background:rgba(11,59,46,.07);border-radius:999px}
.rail::-webkit-scrollbar-thumb{background:rgba(11,59,46,.28);border-radius:999px}
.rail-card{
  flex:0 0 320px;scroll-snap-align:start;
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rail-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(255,106,43,.35)}
.rail-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:rgba(11,59,46,.08)}
.rail-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rail-card:hover .rail-media img{transform:scale(1.04)}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:700;
}
.badge-cat{background:rgba(11,59,46,.10);color:var(--c-main)}
.badge-hot{background:var(--c-accent);color:#fff}
.badge-media{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);box-shadow:var(--sh-1)}
.rail-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rail-body h3{font-size:19px}
.rail-body p{font-size:14.5px;color:var(--c-muted);line-height:1.7}
.rail-body .rail-foot{margin-top:auto;padding-top:8px}
.rail-nav{display:flex;justify-content:flex-end;gap:10px}
.rail-nav .icon-btn{background:rgba(11,59,46,.06);color:var(--c-main);border:1px solid var(--c-line)}
.rail-nav .icon-btn:hover{background:rgba(11,59,46,.13)}

/* ---------- 双列大卡 ---------- */
.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.info-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(255,106,43,.35)}
.info-card figure{margin:0;aspect-ratio:16/9;overflow:hidden;background:rgba(11,59,46,.08)}
.info-card figure img{width:100%;height:100%;object-fit:cover}
.info-body{padding:30px}
.info-body h3{font-size:23px;margin-bottom:14px}
.info-body > p{color:var(--c-muted);font-size:15px;margin-bottom:18px}
.check-list li{display:flex;gap:11px;align-items:flex-start;padding:12px 0;border-top:1px dashed var(--c-line);font-size:15px;color:var(--c-text)}
.check-list li:first-child{border-top:0}
.check-list i{color:var(--c-main-light);font-size:15px;margin-top:5px}
.info-actions{margin-top:22px}

/* ---------- 流程 ---------- */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.step{padding-top:22px;border-top:2px solid rgba(201,242,77,.55)}
.step b{display:block;font-size:34px;font-weight:800;color:var(--c-lime);font-variant-numeric:tabular-nums;line-height:1}
.step h3{font-size:18px;margin:14px 0 8px;color:#F2F6F4}
.step p{margin:0;font-size:14.5px;color:rgba(242,246,244,.72)}
.process-note{
  margin-top:48px;padding:22px 26px;border-radius:var(--r-card);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
}
.process-note i{color:var(--c-lime);font-size:20px}
.process-note p{font-size:15px;color:rgba(242,246,244,.84)}

/* ---------- 保障 ---------- */
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.assure-item{display:flex;gap:14px;align-items:flex-start}
.assure-icon{
  flex:0 0 46px;width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:rgba(11,59,46,.07);color:var(--c-main);font-size:18px;
}
.assure-item h3{font-size:16.5px;margin-bottom:6px}
.assure-item p{font-size:14px;color:var(--c-muted)}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;
  box-shadow:var(--sh-1);margin-bottom:14px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(255,106,43,.30)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;min-height:44px;text-align:left;font-size:18px;font-weight:600;color:var(--c-text);
}
.faq-icon{
  flex:0 0 30px;width:30px;height:30px;border-radius:999px;display:grid;place-items:center;
  background:rgba(11,59,46,.07);color:var(--c-main);font-size:16px;font-weight:700;
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.faq-item.is-open .faq-icon{background:var(--c-accent);color:#fff;transform:rotate(180deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .24s ease}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--c-muted)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--c-main);color:#F2F6F4;border-radius:24px;
  padding:56px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:var(--sh-3);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-40px;width:420px;height:420px;
  background:repeating-linear-gradient(96deg,rgba(201,242,77,.10) 0 2px,transparent 2px 18px);
  transform:rotate(-8deg);pointer-events:none;
}
.cta-copy{position:relative;z-index:2;max-width:620px}
.cta-copy h2{font-size:30px;color:#F2F6F4}
.cta-copy p{margin-top:14px;color:rgba(242,246,244,.82);font-size:15.5px}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-main-deep);color:#F2F6F4}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:72px 0 44px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#F2F6F4}
.footer-about{margin-top:16px;color:rgba(242,246,244,.66);font-size:14.5px;max-width:340px}
.footer-col h3{font-size:15px;color:#F2F6F4;margin-bottom:16px;letter-spacing:.02em}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(242,246,244,.70);font-size:14.5px;transition:color .18s ease}
.footer-col a:hover{color:var(--c-lime)}
.footer-contact li{display:flex;gap:10px;color:rgba(242,246,244,.70);font-size:14.5px}
.footer-contact i{margin-top:5px;color:var(--c-lime)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  color:rgba(242,246,244,.55);font-size:13px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:72px 0}
  .hero{padding:132px 0 80px;min-height:560px}
  .hero h1{font-size:36px}
  .section-head h2{font-size:28px}
  .info-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .assure-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-band{padding:48px 36px}
}
@media (max-width:900px){
  .main-nav{display:none}
  .nav-toggle{display:grid}
  .nav-actions .btn-primary{display:none}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .hero{padding:118px 0 64px;min-height:auto}
  .hero h1{font-size:30px;line-height:1.28}
  .hero-lead{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .stat-badges{gap:10px;margin-top:32px}
  .stat-badge{padding:10px 16px}
  .stat-badge b{font-size:20px}
  .stat-badge span{font-size:13px}
  .section-head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:32px}
  .section-head h2{font-size:24px}
  .rail-card{flex:0 0 272px}
  .info-body{padding:22px}
  .info-body h3{font-size:20px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 24px;border-radius:20px}
  .cta-copy h2{font-size:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .search-panel{width:min(300px,86vw)}
  .footer-grid{grid-template-columns:1fr 1fr;padding:52px 0 32px}
}
@media (max-width:520px){
  .hero h1{font-size:26px}
  .hero-lead{font-size:15px}
  .stat-badges{flex-direction:column;align-items:center}
  .process-grid{grid-template-columns:1fr;gap:22px}
  .assure-grid{grid-template-columns:1fr}
  .rail-card{flex:0 0 244px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column}
}