/* roulang page: index */
:root{
  --brand:#1F6F63;
  --brand-deep:#14524A;
  --brand-darker:#10302B;
  --brand-light:#E6F2EF;
  --amber:#D98A3D;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --dark:#16302C;
  --text:#22292A;
  --muted:#5B6A68;
  --line:#E3E1DA;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(22,48,44,.04), 0 10px 28px rgba(22,48,44,.06);
  --sh-hover:0 1px 2px rgba(22,48,44,.06), 0 16px 36px rgba(22,48,44,.12);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-card);}
a{color:var(--brand-deep);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
p{margin:0 0 20px;}
ul,ol{margin:0 0 20px;padding-left:22px;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;letter-spacing:.2px;}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea{font:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.tnum{font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(22,48,44,.08);}
.header-inner{display:flex;align-items:center;gap:22px;height:76px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--brand-deep);font-weight:700;font-size:19px;letter-spacing:.4px;white-space:nowrap;}
.logo:hover{color:var(--brand-deep);}
.logo-mark{width:34px;height:34px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;border-radius:10px;background:linear-gradient(140deg,var(--brand) 0%,var(--brand-deep) 100%);}
.logo-mark svg{width:20px;height:20px;}
.header-search{flex:1 1 auto;max-width:470px;margin:0 auto;}
.search-form{position:relative;display:block;}
.search-form .search-icon{position:absolute;left:17px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:14px;pointer-events:none;}
.search-form input[type="search"]{
  width:100%;height:46px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--text);
  padding:0 126px 0 46px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.search-form input[type="search"]::placeholder{color:#95a2a0;font-size:14.5px;}
.search-form input[type="search"]:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px var(--brand-light);
  transform:translateY(-1px);
}
.search-form button{
  position:absolute;right:5px;top:5px;height:36px;padding:0 18px;
  border-radius:var(--r-pill);background:var(--brand);color:#fff;
  font-size:14px;font-weight:500;transition:background .2s ease;
}
.search-form button:hover{background:var(--brand-deep);}
.main-nav{display:flex;align-items:center;gap:4px;flex:0 0 auto;}
.main-nav a{
  position:relative;padding:8px 12px;border-radius:var(--r-btn);
  font-size:15px;color:var(--muted);font-weight:500;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.main-nav a:hover{color:var(--brand-deep);background:var(--brand-light);}
.main-nav a.active{color:var(--brand-deep);background:var(--brand-light);font-weight:600;}
.nav-cta{
  flex:0 0 auto;height:42px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;font-size:15px;font-weight:500;
  display:inline-flex;align-items:center;gap:7px;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 8px 18px rgba(20,82,74,.22);color:#fff;}
.hamburger{display:none;width:44px;height:44px;border-radius:var(--r-btn);align-items:center;justify-content:center;color:var(--brand-deep);font-size:18px;border:1px solid var(--line);background:#fff;}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 22px;}
.mobile-panel.open{display:block;}
.mobile-panel .search-form{margin-bottom:16px;}
.mobile-panel .mobile-links{display:flex;flex-direction:column;gap:4px;}
.mobile-panel .mobile-links a{padding:12px 14px;border-radius:var(--r-btn);color:var(--muted);font-size:16px;font-weight:500;}
.mobile-panel .mobile-links a:hover,.mobile-panel .mobile-links a.active{background:var(--brand-light);color:var(--brand-deep);}
.mobile-panel .mobile-cta{margin-top:14px;width:100%;justify-content:center;}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 26px;border-radius:var(--r-btn);font-size:16px;font-weight:500;transition:all .2s ease;text-align:center;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(31,111,99,.20);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(20,82,74,.26);}
.btn-ghost{background:#fff;color:var(--brand-deep);border:1px solid var(--brand);}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-deep);transform:translateY(-1px);}
.btn-on-dark{background:#fff;color:var(--brand-deep);}
.btn-on-dark:hover{background:var(--brand-light);color:var(--brand-deep);transform:translateY(-1px);}
.btn-outline-dark{background:transparent;color:#F2F5F4;border:1px solid rgba(242,245,244,.45);}
.btn-outline-dark:hover{border-color:#fff;color:#fff;transform:translateY(-1px);}
.btn:focus-visible,.main-nav a:focus-visible,.faq-q:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand-light);outline-offset:2px;}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:500;color:var(--brand-deep);}
.text-link i{transition:transform .2s ease;font-size:12px;}
.text-link:hover i{transform:translateX(2px);}

/* ============ 区块通用 ============ */
.section{padding:96px 0;}
.section-paper{background:var(--paper);}
.section-white{background:#fff;}
.section-dark{background:var(--dark);color:#F2F5F4;}
.section-dark p{color:#A9BDB8;}
.sec-head{max-width:760px;margin-bottom:48px;}
.sec-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1.4px;text-transform:uppercase;color:var(--brand);background:var(--brand-light);padding:6px 14px;border-radius:var(--r-pill);margin-bottom:16px;}
.section-dark .sec-tag{background:rgba(230,242,239,.12);color:#9FD4C7;}
.sec-title{position:relative;font-size:29px;font-weight:600;padding-left:16px;margin-bottom:16px;color:var(--text);}
.sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--brand);}
.section-dark .sec-title{color:#F2F5F4;}
.section-dark .sec-title::before{background:var(--amber);}
.sec-sub{font-size:16.5px;color:var(--muted);max-width:720px;margin:0;}
.section-dark .sec-sub{color:#A9BDB8;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(16,48,43,.95) 0%,rgba(20,82,74,.90) 48%,rgba(31,111,99,.62) 100%);
}
.hero-inner{position:relative;z-index:2;padding:88px 0 92px;}
.hero-badge{display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:var(--r-pill);background:rgba(230,242,239,.14);color:#BFE4DA;font-size:13.5px;font-weight:500;margin-bottom:22px;}
.hero-badge i{color:var(--amber);}
.hero h1{font-size:42px;line-height:1.28;color:#F4F8F7;font-weight:700;margin-bottom:20px;letter-spacing:.4px;}
.hero h1 .hl{color:#8ED3C4;}
.hero-sub{font-size:17.5px;line-height:1.85;color:#C6DAD5;max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 26px;list-style:none;padding:0;margin:0;}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:14.5px;color:#BFD9D3;}
.hero-trust i{color:#8ED3C4;font-size:13px;}
.hero-visual{position:relative;padding-left:24px;}
.hero-visual img{width:100%;aspect-ratio:3/2;object-fit:cover;background:#0E2724;border:1px solid rgba(242,245,244,.16);box-shadow:0 26px 60px rgba(8,26,23,.45);}
.hero-float{
  position:absolute;left:-6px;bottom:-22px;background:#fff;border-radius:var(--r-card);
  padding:16px 20px;box-shadow:0 18px 40px rgba(8,26,23,.28);display:flex;align-items:center;gap:14px;max-width:270px;
}
.hero-float .hf-num{font-size:26px;font-weight:700;color:var(--amber);line-height:1;font-variant-numeric:tabular-nums;}
.hero-float .hf-txt{font-size:13.5px;color:var(--muted);line-height:1.5;}

/* ============ 痛点提问 ============ */
.pain-list{display:flex;flex-direction:column;gap:14px;}
.pain-item{
  display:flex;gap:18px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.pain-item:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#CDE3DE;}
.pain-no{
  flex:0 0 auto;width:38px;height:38px;border-radius:10px;background:var(--brand-light);
  color:var(--brand-deep);display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
}
.pain-item h3{font-size:18px;font-weight:600;margin-bottom:6px;color:var(--text);}
.pain-item p{margin:0;font-size:15.5px;color:var(--muted);line-height:1.8;}

/* ============ 方案卡片（不对称） ============ */
.plan-wide{
  display:flex;gap:32px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-card);margin-bottom:24px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.plan-wide:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.plan-wide .pw-img{flex:0 0 45%;}
.plan-wide .pw-img img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#EDEFEC;}
.plan-wide .pw-body{flex:1 1 auto;}
.plan-wide h3{font-size:23px;font-weight:600;margin-bottom:12px;}
.plan-wide p{font-size:16px;color:var(--muted);margin-bottom:18px;}
.plan-mini{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.plan-mini:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#CDE3DE;}
.plan-mini .pm-icon{
  width:46px;height:46px;border-radius:12px;background:var(--brand-light);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:19px;margin-bottom:16px;
}
.plan-mini h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.plan-mini p{font-size:15.5px;color:var(--muted);margin-bottom:14px;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.chip{display:inline-block;padding:5px 12px;border-radius:var(--r-pill);background:var(--brand-light);color:var(--brand-deep);font-size:13px;font-weight:500;}
.chip-amber{background:#FBF0E3;color:#B26C1F;}

/* ============ 数据区 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px;}
.stat-item{border-left:2px solid rgba(217,138,61,.55);padding-left:20px;}
.stat-num{font-size:38px;font-weight:700;color:var(--amber);line-height:1.1;font-variant-numeric:tabular-nums;}
.stat-num span{font-size:17px;font-weight:600;margin-left:3px;}
.stat-label{font-size:15px;color:#F2F5F4;margin-top:10px;font-weight:500;}
.stat-desc{font-size:13.8px;color:#A9BDB8;margin:6px 0 0;line-height:1.7;}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;margin-top:8px;}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--sh-card);transition:transform .22s ease,box-shadow .22s ease;}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.step-no{font-size:13px;font-weight:700;letter-spacing:1.2px;color:var(--amber);margin-bottom:12px;display:block;}
.step h3{font-size:18px;font-weight:600;margin-bottom:10px;}
.step p{font-size:15px;color:var(--muted);margin:0;}
.step::after{content:"";position:absolute;top:46px;right:-16px;width:8px;height:8px;border-top:2px solid #C8D6D3;border-right:2px solid #C8D6D3;transform:rotate(45deg);}
.step:last-child::after{display:none;}

/* ============ 最新信息 ============ */
.news-card{
  height:100%;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.news-thumb{position:relative;background:#EDEFEC;}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.news-badge{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(22,48,44,.82);color:#F2F5F4;font-size:12.5px;font-weight:500;backdrop-filter:blur(4px);
}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-body h3{font-size:17.5px;font-weight:600;line-height:1.55;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a{color:var(--text);}
.news-body h3 a:hover{color:var(--brand);}
.news-body p{font-size:14.8px;color:var(--muted);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.75;}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;}
.news-meta .go{color:var(--brand-deep);font-weight:500;display:inline-flex;align-items:center;gap:6px;}
.news-meta .go i{font-size:11px;transition:transform .2s ease;}
.news-card:hover .news-meta .go i{transform:translateX(2px);}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  padding:56px 24px;text-align:center;color:var(--muted);
}
.empty-state i{font-size:30px;color:#B8C6C3;display:block;margin-bottom:14px;}
.empty-state p{margin:0 0 14px;font-size:15.5px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;}
.faq-item:hover{box-shadow:var(--sh-card);}
.faq-item.open{border-color:#CDE3DE;box-shadow:var(--sh-card);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--text);
  position:relative;
}
.faq-item.open .faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;background:var(--brand);}
.faq-q i{flex:0 0 auto;color:var(--brand);font-size:14px;transition:transform .25s ease;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 24px 22px;font-size:15.6px;color:var(--muted);line-height:1.85;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:64px 56px;
}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(95deg,rgba(16,48,43,.96) 0%,rgba(20,82,74,.90) 52%,rgba(31,111,99,.70) 100%);}
.cta-inner{position:relative;z-index:2;display:flex;gap:48px;align-items:center;justify-content:space-between;flex-wrap:wrap;}
.cta-copy{max-width:600px;}
.cta-copy h2{font-size:28px;color:#F4F8F7;font-weight:600;margin-bottom:14px;}
.cta-copy p{color:#C6DAD5;font-size:16.5px;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.privacy-note{font-size:13px;color:#9FB8B2;margin-top:16px;line-height:1.7;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#A9BDB8;padding:72px 0 0;font-size:15px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .f-logo{display:flex;align-items:center;gap:10px;color:#F2F5F4;font-weight:700;font-size:18px;margin-bottom:16px;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#A9BDB8;margin-bottom:14px;}
.site-footer h4{font-size:15.5px;color:#F2F5F4;font-weight:600;margin-bottom:18px;}
.footer-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:#A9BDB8;font-size:14.5px;}
.footer-links a:hover{color:#8ED3C4;}
.footer-contact{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px;font-size:14.5px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.7;}
.footer-contact i{color:var(--amber);font-size:13px;margin-top:6px;}
.footer-bottom{border-top:1px solid rgba(242,245,244,.12);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.5px;color:#8AA09B;}

/* ============ 弹层 ============ */
.modal-mask{
  position:fixed;inset:0;z-index:200;display:none;
  align-items:center;justify-content:center;padding:20px;
  background:rgba(22,48,44,.55);
}
.modal-mask.show{display:flex;}
.modal-panel{
  width:100%;max-width:480px;background:#fff;border-radius:16px;
  padding:32px;box-shadow:0 30px 70px rgba(8,26,23,.35);
  max-height:92vh;overflow-y:auto;animation:pop .25s ease;
}
@keyframes pop{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:translateY(0);}}
.modal-panel h3{font-size:21px;font-weight:600;margin-bottom:8px;}
.modal-panel .m-sub{font-size:14.5px;color:var(--muted);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:500;margin-bottom:7px;color:var(--text);}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:11px 14px;font-size:15px;color:var(--text);background:#fff;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:88px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-light);}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);line-height:1.7;margin:6px 0 18px;}
.check-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand);}
.modal-actions{display:flex;gap:12px;}
.modal-actions .btn{flex:1;height:48px;}
.form-success{display:none;background:var(--brand-light);border:1px solid #BFE0D8;color:var(--brand-deep);border-radius:var(--r-btn);padding:12px 16px;font-size:14.5px;margin-bottom:16px;}
.form-success.show{display:block;}
.modal-close{position:absolute;top:18px;right:18px;width:36px;height:36px;border-radius:50%;background:#F1F3F1;color:var(--muted);display:flex;align-items:center;justify-content:center;}
.modal-close:hover{background:var(--brand-light);color:var(--brand-deep);}
.modal-panel{position:relative;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero h1{font-size:38px;}
  .header-search{max-width:360px;}
  .main-nav a{padding:8px 9px;font-size:14.5px;}
}
@media (max-width:1023px){
  .main-nav,.header-search,.nav-cta{display:none;}
  .hamburger{display:flex;}
  .header-inner{height:68px;}
  .section{padding:76px 0;}
  .hero-inner{padding:64px 0 72px;}
  .hero-visual{padding-left:0;margin-top:36px;}
  .plan-wide{flex-direction:column;gap:22px;}
  .plan-wide .pw-img{flex:none;width:100%;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step::after{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .sec-title{font-size:23px;}
  .sec-head{margin-bottom:32px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .hero-float{position:static;margin-top:16px;max-width:none;}
  .stat-grid{grid-template-columns:1fr;gap:22px;}
  .steps{grid-template-columns:1fr;}
  .cta-band{padding:40px 24px;border-radius:16px;}
  .cta-copy h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .modal-panel{padding:24px;}
  .pain-item{padding:18px;}
}
@media (max-width:520px){
  .logo{font-size:16.5px;}
  .hero h1{font-size:26px;}
  .sec-title{font-size:21px;}
  .news-body{padding:16px;}
}

/* roulang page: article */
:root{
  --brand:#1F6F63;
  --brand-deep:#14524A;
  --brand-soft:#E6F2EF;
  --amber:#D98A3D;
  --amber-soft:#FBF0E3;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --dark:#16302C;
  --text:#22292A;
  --muted:#5B6A68;
  --line:#E3E1DA;
  --on-dark:#F2F5F4;
  --on-dark-muted:#A9BDB8;
  --radius:14px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(22,48,44,.04), 0 10px 28px rgba(22,48,44,.06);
  --shadow-md:0 2px 4px rgba(22,48,44,.06), 0 16px 36px rgba(22,48,44,.12);
  --head-h:76px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  font-weight:400;
}
img{max-width:100%;display:block;}
a{color:var(--brand-deep);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand-soft);outline-offset:2px;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3;color:var(--text);}
p{margin:0 0 20px;}
ul,ol{margin:0 0 20px;padding-left:22px;}
button{font-family:inherit;cursor:pointer;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:20px;
  min-height:var(--head-h);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.logo-mark svg{width:22px;height:22px;}
.brand-text{font-size:18px;font-weight:700;color:var(--brand-deep);letter-spacing:.2px;white-space:nowrap;}
.nav-search{
  flex:1 1 auto;max-width:480px;
  display:flex;align-items:center;gap:10px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:7px 8px 7px 16px;
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-soft);transform:translateY(-1px);}
.nav-search i{color:var(--brand);font-size:15px;}
.nav-search input{
  flex:1 1 auto;border:0;background:transparent;outline:none;
  font-size:14.5px;color:var(--text);min-width:0;
}
.nav-search input::placeholder{color:#93A19E;}
.nav-search button{
  border:0;border-radius:var(--radius-pill);background:var(--brand);color:#fff;
  font-size:14px;font-weight:500;padding:8px 18px;transition:background .2s ease,transform .2s ease;
}
.nav-search button:hover{background:var(--brand-deep);transform:translateY(-1px);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.main-nav a{
  display:block;padding:9px 13px;border-radius:var(--radius-sm);
  font-size:15px;color:var(--text);white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.main-nav a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.main-nav a.active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-sm);border:1px solid transparent;
  font-size:15px;font-weight:500;padding:11px 22px;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-sm);}
.btn-ghost{background:#fff;color:var(--brand-deep);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-1px);}
.btn-pill{border-radius:var(--radius-pill);}
.nav-cta{flex:0 0 auto;border:1px solid var(--brand);background:transparent;color:var(--brand-deep);
  border-radius:var(--radius-pill);padding:9px 18px;font-size:14.5px;font-weight:500;
  transition:background .2s ease,transform .2s ease;}
.nav-cta:hover{background:var(--brand-soft);transform:translateY(-1px);}
.nav-toggle{
  display:none;border:1px solid var(--line);background:#fff;border-radius:var(--radius-sm);
  width:42px;height:42px;color:var(--brand-deep);font-size:17px;
}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--card);padding:16px 24px 22px;}
.mobile-panel .nav-search{max-width:none;margin-bottom:14px;}
.mobile-links{display:flex;flex-direction:column;gap:6px;}
.mobile-links a{padding:10px 12px;border-radius:var(--radius-sm);font-size:15.5px;color:var(--text);background:var(--paper);}
.mobile-links a.active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;}
.mobile-panel.open{display:block;}

/* ---------- page shell ---------- */
main{display:block;}
.section{padding:64px 0;}
.section-tight{padding:40px 0;}
.crumb{
  padding:22px 0 4px;font-size:14px;color:var(--muted);
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C6C4BC;}
.crumb .now{color:var(--brand-deep);}

/* ---------- article head ---------- */
.article-wrap{max-width:780px;margin:0 auto;}
.article-head{padding:18px 0 26px;border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-soft);color:var(--brand-deep);
  border-radius:var(--radius-pill);font-size:13px;font-weight:500;
  padding:5px 14px;margin-bottom:16px;
}
.article-title{font-size:38px;font-weight:700;letter-spacing:-.2px;line-height:1.32;margin-bottom:18px;}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:14px;color:var(--muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C6C4BC;display:inline-block;}
.lede{
  font-size:17.5px;color:#3B4745;line-height:1.9;
  border-left:4px solid var(--brand);background:#fff;
  border-radius:0 var(--radius) var(--radius) 0;
  padding:18px 22px;margin:26px 0 0;
}

/* ---------- article body ---------- */
.article-body{padding:34px 0 8px;font-size:17px;line-height:1.9;color:var(--text);}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:28px;font-weight:700;margin:48px 0 16px;
  padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:21px;font-weight:600;margin:32px 0 12px;}
.article-body p{margin:0 0 20px;}
.article-body a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand);}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px;}
.article-body li{margin-bottom:9px;}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;background:var(--brand-soft);
  border-left:4px solid var(--brand);border-radius:0 var(--radius) var(--radius) 0;
  color:#2C3B38;font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius);margin:24px 0;box-shadow:var(--shadow-sm);}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:14px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15.5px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:block;overflow-x:auto;
}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;}
.article-body tr:last-child td{border-bottom:0;}
.article-body code{
  background:#EEF2F1;border-radius:6px;padding:2px 7px;font-size:15px;
  font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--brand-deep);
}
.article-body pre{
  background:var(--dark);color:var(--on-dark);border-radius:var(--radius);
  padding:20px 22px;overflow-x:auto;font-size:14.5px;line-height:1.7;
}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0;}

.empty-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:56px 28px;text-align:center;box-shadow:var(--shadow-sm);
}
.empty-box i{font-size:30px;color:var(--brand);}
.empty-box h2{font-size:22px;margin:16px 0 10px;}
.empty-box p{color:var(--muted);margin-bottom:22px;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;font-weight:500;color:var(--brand-deep);
}
.text-link i{transition:transform .2s ease;}
.text-link:hover i{transform:translateX(2px);}

/* ---------- tags ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:30px 0 6px;}
.tag-row .label{font-size:14px;color:var(--muted);}
.tag{
  display:inline-block;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-pill);padding:6px 14px;font-size:13.5px;color:var(--brand-deep);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.tag:hover{background:var(--brand-soft);border-color:var(--brand);transform:translateY(-1px);}

/* ---------- related ---------- */
.related{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.related .section-head{margin-bottom:28px;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;}
.section-head h2{font-size:27px;font-weight:700;padding-left:14px;position:relative;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand);
}
.section-head .hint{font-size:14.5px;color:var(--muted);max-width:520px;}
.rel-card{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;height:100%;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#D5D2C8;}
.rel-thumb{
  width:104px;height:78px;flex:0 0 auto;border-radius:var(--radius-sm);
  overflow:hidden;background:#ECEAE3;
}
.rel-thumb img{width:100%;height:100%;object-fit:cover;}
.rel-body h3{font-size:17.5px;font-weight:600;margin-bottom:8px;}
.rel-body p{font-size:14.5px;color:var(--muted);line-height:1.75;margin:0 0 10px;}
.badge{
  display:inline-block;background:var(--amber-soft);color:#A9641F;
  border-radius:var(--radius-pill);font-size:12.5px;padding:3px 11px;font-weight:500;
}

/* ---------- cta ---------- */
.cta-band{
  background:var(--dark);color:var(--on-dark);border-radius:var(--radius);
  padding:48px 44px;display:flex;flex-wrap:wrap;align-items:center;gap:28px;
  justify-content:space-between;
}
.cta-band h2{color:var(--on-dark);font-size:27px;font-weight:700;margin-bottom:12px;}
.cta-band p{color:var(--on-dark-muted);margin:0;max-width:560px;font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--on-dark-muted);padding:64px 0 26px;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.site-footer h4{color:var(--on-dark);font-size:16px;font-weight:600;margin-bottom:16px;}
.f-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand p{font-size:14.5px;line-height:1.85;margin-bottom:14px;}
.footer-links,.footer-contact{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:var(--on-dark-muted);font-size:14.5px;}
.footer-links a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;margin-bottom:12px;line-height:1.7;}
.footer-contact i{color:var(--amber);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(242,245,244,.14);margin-top:44px;padding-top:20px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13.5px;
}

/* ---------- modal ---------- */
.reveal-overlay{background:rgba(22,48,44,.55);}
.reveal{
  border:0;border-radius:16px;background:#fff;padding:0;max-width:480px;width:calc(100% - 32px);
  box-shadow:0 24px 60px rgba(22,48,44,.28);
}
.reveal .modal-inner{padding:32px 32px 28px;}
.reveal h3{font-size:22px;font-weight:700;margin-bottom:8px;}
.reveal .modal-sub{font-size:14.5px;color:var(--muted);margin-bottom:22px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:6px;}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:11px 14px;font-size:15px;color:var(--text);background:var(--paper);
  font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:88px;resize:vertical;}
.field input:focus,.field textarea:focus{background:#fff;border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-soft);outline:none;}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);margin:14px 0 18px;}
.check-row input{width:16px;height:16px;margin-top:3px;accent-color:var(--brand);}
.form-ok{
  display:none;background:var(--brand-soft);color:var(--brand-deep);
  border-radius:var(--radius-sm);padding:14px 16px;font-size:14.5px;margin-top:14px;
}
.form-ok.show{display:block;}
.modal-close{position:absolute;top:12px;right:14px;color:#9AA7A4;font-size:20px;background:none;border:0;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .nav-search{max-width:340px;}
  .main-nav a{padding:9px 10px;font-size:14.5px;}
  .article-title{font-size:34px;}
}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
  .site-footer .footer-brand{grid-column:1 / -1;}
  .article-title{font-size:31px;}
  .article-body h2{font-size:25px;}
  .cta-band{padding:40px 32px;}
}
@media (max-width:767px){
  body{font-size:16.5px;line-height:1.85;}
  .container{padding:0 16px;}
  .header-inner{min-height:60px;gap:12px;}
  .main-nav,.nav-cta,.nav-search{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .brand-text{font-size:16.5px;}
  .section{padding:48px 0;}
  .section-tight{padding:30px 0;}
  .article-wrap{max-width:100%;}
  .article-title{font-size:26px;}
  .lede{font-size:16px;padding:16px 18px;}
  .article-body{padding-top:26px;font-size:16.5px;}
  .article-body h2{font-size:22px;margin-top:36px;}
  .article-body h3{font-size:19px;}
  .rel-card{flex-direction:column;}
  .rel-thumb{width:100%;height:150px;}
  .cta-band{padding:32px 22px;border-radius:var(--radius);}
  .cta-band h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
  .reveal .modal-inner{padding:26px 20px 22px;}
}
@media (max-width:519px){
  .footer-grid{grid-template-columns:1fr;}
  .article-title{font-size:23px;}
}

/* roulang page: category1 */
:root{
  --brand:#1F6F63;
  --brand-dark:#14524A;
  --brand-light:#E6F2EF;
  --amber:#D98A3D;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --deep:#16302C;
  --deep-text:#F2F5F4;
  --deep-muted:#A9BDB8;
  --ink:#22292A;
  --muted:#5B6A68;
  --line:#E3E1DA;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(22,48,44,.04),0 10px 28px rgba(22,48,44,.06);
  --shadow-md:0 2px 6px rgba(22,48,44,.07),0 16px 36px rgba(22,48,44,.12);
  --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%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand-dark);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand);}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
strong{font-weight:600;}
.num{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-paper{background:var(--paper);}
.section-white{background:#fff;}
.section-tight{padding-top:64px;padding-bottom:64px;}
.sec-head{max-width:760px;margin-bottom:var(--sp-6);}
.sec-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-dark);background:var(--brand-light);
  border-radius:var(--r-pill);padding:5px 14px;margin-bottom:16px;
}
.sec-label .dot{width:6px;height:6px;border-radius:50%;background:var(--amber);}
h1{font-size:42px;line-height:1.28;font-weight:700;letter-spacing:-.01em;}
h2{font-size:28px;line-height:1.4;font-weight:600;margin-top:0;margin-bottom:var(--sp-3);position:relative;}
.sec-title{padding-left:16px;}
.sec-title::before{
  content:"";position:absolute;left:0;top:.18em;width:4px;height:1em;
  border-radius:2px;background:var(--brand);
}
h3{font-size:21px;line-height:1.5;font-weight:600;margin-bottom:10px;}
h4{font-size:17px;line-height:1.5;font-weight:600;margin-bottom:10px;}
p{color:var(--ink);}
.lead{font-size:17.5px;color:var(--muted);line-height:1.9;}
.muted{color:var(--muted);}
.section-deep{background:var(--deep);color:var(--deep-text);}
.section-deep h2,.section-deep h3{color:var(--deep-text);}
.section-deep p{color:var(--deep-muted);}
.section-deep .sec-label{background:rgba(230,242,239,.12);color:#DCEDE8;}
.link-inline{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px;}
.link-inline:hover{color:var(--brand);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;line-height:1.4;
  border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(31,111,99,.22);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(31,111,99,.28);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;color:var(--brand-dark);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-1px);}
.btn-ghost{background:var(--brand-light);color:var(--brand-dark);}
.btn-ghost:hover{background:#D6E8E4;color:var(--brand-dark);}
.btn-pill{border-radius:var(--r-pill);}
.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand-light);outline-offset:2px;box-shadow:0 0 0 2px var(--brand);
}
.text-link{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;color:var(--brand-dark);
}
.text-link i{transition:transform .2s ease;}
.text-link:hover i{transform:translateX(3px);}
.text-link:hover{color:var(--brand);}

/* 徽章与标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--brand-light);color:var(--brand-dark);
}
.badge-amber{background:#FBF0E2;color:#A6642A;}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--muted);}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,padding .2s ease;
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(22,48,44,.08);}
.header-inner{
  display:flex;align-items:center;gap:var(--sp-4);
  min-height:76px;padding-top:10px;padding-bottom:10px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.logo-mark svg{width:22px;height:22px;}
.brand-text{font-size:18px;font-weight:700;color:var(--brand-dark);letter-spacing:.01em;}
.nav-search{
  flex:1 1 auto;max-width:520px;min-width:220px;
  display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:6px 6px 6px 16px;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.nav-search:focus-within{
  border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-light);transform:translateY(-1px);
}
.nav-search i{color:var(--muted);font-size:15px;}
.nav-search input{
  flex:1 1 auto;border:0;background:transparent;outline:none;
  font-size:14.5px;padding:8px 0;min-width:0;
}
.nav-search input::placeholder{color:#93A19E;}
.nav-search .search-btn{
  flex:0 0 auto;background:var(--brand);color:#fff;
  border-radius:var(--r-pill);padding:9px 20px;font-size:14.5px;font-weight:600;
  transition:background-color .18s ease;
}
.nav-search .search-btn:hover{background:var(--brand-dark);}
.main-nav{display:flex;align-items:center;gap:6px;flex:0 0 auto;}
.main-nav a{
  display:inline-block;font-size:15px;font-weight:500;color:var(--muted);
  padding:8px 12px;border-radius:var(--r-btn);
  transition:color .18s ease,background-color .18s ease;
}
.main-nav a:hover{color:var(--brand-dark);background:var(--brand-light);}
.main-nav a.active{color:var(--brand-dark);font-weight:600;background:var(--brand-light);}
.nav-cta{flex:0 0 auto;font-size:14.5px;padding:10px 18px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--brand-dark);font-size:17px;
}
.mobile-panel{display:none;}
.mobile-panel.is-open{display:block;}
.mobile-panel .inner{padding:16px 0 22px;border-top:1px solid var(--line);}
.mobile-panel .m-search{display:flex;margin:12px 0 18px;}
.mobile-panel nav{display:flex;flex-direction:column;gap:4px;margin-bottom:16px;}
.mobile-panel nav a{
  padding:11px 14px;border-radius:var(--r-btn);font-size:15.5px;color:var(--ink);
  background:#fff;border:1px solid var(--line);
}
.mobile-panel nav a.active{color:var(--brand-dark);border-color:var(--brand);background:var(--brand-light);font-weight:600;}

/* 内页首屏 */
.page-hero{
  position:relative;overflow:hidden;
  background-color:var(--deep);
  background-image:linear-gradient(100deg,rgba(18,44,40,.92) 0%,rgba(18,44,40,.72) 55%,rgba(18,44,40,.48) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:var(--deep-text);
  padding:72px 0 80px;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--deep-muted);margin-bottom:22px;}
.crumbs a{color:#CFE2DE;}
.crumbs a:hover{color:#fff;}
.page-hero h1{color:#fff;max-width:860px;font-size:40px;}
.page-hero .lead{color:#C9DCD7;max-width:720px;margin-top:18px;font-size:17.5px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.page-hero .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.page-hero .btn-outline:hover{background:rgba(255,255,255,.12);color:#fff;}
.trust-row{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:30px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16);}
.trust-row span{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:#D5E5E1;}
.trust-row i{color:var(--amber);}

/* 共识卡片 */
.point-grid{display:flex;flex-wrap:wrap;margin:0 -12px;}
.point-grid > .cell{flex:0 0 33.3333%;max-width:33.3333%;padding:0 12px 24px;}
.point-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;height:100%;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.point-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.point-card .idx{
  display:inline-flex;width:34px;height:34px;border-radius:10px;align-items:center;justify-content:center;
  background:var(--brand-light);color:var(--brand-dark);font-weight:700;font-size:15px;margin-bottom:16px;
}
.point-card p{font-size:15.5px;color:var(--muted);line-height:1.85;}

/* 筛选区 + 卡片网格 */
.filter-layout{display:flex;gap:var(--sp-5);align-items:flex-start;}
.filter-aside{
  flex:0 0 250px;position:sticky;top:100px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 20px;box-shadow:var(--shadow-sm);
}
.filter-aside h3{font-size:16px;margin-bottom:6px;}
.filter-aside .hint{font-size:13.5px;color:var(--muted);margin-bottom:16px;line-height:1.7;}
.filter-list{display:flex;flex-direction:column;gap:8px;}
.filter-btn{
  text-align:left;width:100%;
  padding:11px 14px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;
  font-size:14.5px;font-weight:500;color:var(--muted);
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  transition:all .18s ease;
}
.filter-btn span.count{font-size:12.5px;color:#9AA8A5;font-variant-numeric:tabular-nums;}
.filter-btn:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-light);}
.filter-btn.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}
.filter-btn.is-active span.count{color:rgba(255,255,255,.75);}
.filter-tip{
  margin-top:20px;padding-top:18px;border-top:1px dashed var(--line);
  font-size:13.5px;color:var(--muted);line-height:1.75;
}
.filter-main{flex:1 1 auto;min-width:0;}
.result-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-bottom:22px;font-size:14px;color:var(--muted);
}
.result-bar .current{font-weight:600;color:var(--brand-dark);}

.plan-grid{display:flex;flex-wrap:wrap;margin:0 -12px;}
.plan-grid > .cell{flex:0 0 50%;max-width:50%;padding:0 12px 24px;}
.plan-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#D3D0C7;}
.plan-thumb{position:relative;background:#EDEBE4;aspect-ratio:16/9;overflow:hidden;}
.plan-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.plan-card:hover .plan-thumb img{transform:scale(1.03);}
.plan-thumb .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);box-shadow:0 2px 8px rgba(22,48,44,.12);}
.plan-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.plan-body h3{font-size:19.5px;}
.plan-body p{font-size:15.5px;color:var(--muted);line-height:1.85;margin-bottom:16px;}
.plan-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.plan-body .text-link{margin-top:auto;}
.empty-state{
  display:none;text-align:center;padding:56px 20px;background:#fff;
  border:1px dashed var(--line);border-radius:var(--r-card);color:var(--muted);
}
.empty-state i{font-size:26px;color:var(--brand);display:block;margin-bottom:12px;}
.is-empty .empty-state{display:block;}

/* 数据区 */
.stat-grid{display:flex;flex-wrap:wrap;margin:0 -12px;margin-top:var(--sp-6);}
.stat-grid > .cell{flex:0 0 25%;max-width:25%;padding:0 12px 20px;}
.stat-item{border-left:2px solid rgba(217,138,61,.5);padding-left:20px;}
.stat-num{
  font-size:40px;font-weight:700;color:var(--amber);line-height:1.2;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-num small{font-size:17px;font-weight:600;margin-left:4px;}
.stat-item .stat-label{font-size:15.5px;font-weight:600;color:var(--deep-text);margin-top:6px;}
.stat-item .stat-desc{font-size:14px;color:var(--deep-muted);line-height:1.75;margin-top:4px;}

/* 流程 */
.flow-grid{display:flex;flex-wrap:wrap;margin:0 -12px;position:relative;}
.flow-grid > .cell{flex:0 0 25%;max-width:25%;padding:0 12px 24px;}
.flow-step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;height:100%;position:relative;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.flow-step:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.flow-step .step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:50%;background:var(--deep);color:#fff;
  font-size:13.5px;font-weight:700;margin-bottom:14px;
}
.flow-step h3{font-size:17.5px;}
.flow-step p{font-size:14.8px;color:var(--muted);line-height:1.8;}
.flow-step .step-tag{display:inline-block;margin-top:12px;font-size:13px;color:var(--brand-dark);font-weight:600;}

/* FAQ */
.faq-wrap{max-width:860px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:0 22px;margin-bottom:12px;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#CFE0DC;box-shadow:var(--shadow-sm);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--ink);
  border-left:3px solid transparent;padding-left:14px;margin-left:-14px;
  transition:color .18s ease,border-color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-dark);}
.faq-item[open] summary{border-left-color:var(--brand);color:var(--brand-dark);}
.faq-item summary .faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--muted);transition:transform .2s ease,background-color .2s ease,color .2s ease;
}
.faq-item[open] summary .faq-icon{transform:rotate(45deg);background:var(--brand);border-color:var(--brand);color:#fff;}
.faq-item .faq-answer{padding:0 0 22px 0;font-size:15.5px;color:var(--muted);line-height:1.9;}

/* CTA 表单 */
.cta-panel{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:40px 40px 36px;box-shadow:var(--shadow-sm);
}
.cta-layout{display:flex;flex-wrap:wrap;gap:var(--sp-6);align-items:flex-start;}
.cta-copy{flex:1 1 380px;min-width:280px;}
.cta-form-wrap{flex:1 1 420px;min-width:280px;}
.cta-copy h2{font-size:27px;}
.cta-copy p{color:var(--muted);font-size:16px;margin-top:12px;}
.cta-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.cta-list li{display:flex;gap:10px;font-size:15.5px;color:var(--ink);}
.cta-list i{color:var(--brand);margin-top:6px;font-size:13px;}
.form-grid{display:flex;flex-wrap:wrap;margin:0 -8px;}
.form-grid .field{flex:0 0 100%;padding:0 8px 16px;}
.form-grid .field.half{flex:0 0 50%;}
.form-grid .field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.form-grid .field label .req{color:var(--amber);margin-left:4px;}
.form-grid input[type="text"],.form-grid input[type="tel"],.form-grid input[type="email"],.form-grid textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;font-size:15px;outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.form-grid textarea{min-height:104px;resize:vertical;line-height:1.75;}
.form-grid input:focus,.form-grid textarea:focus{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-light);}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13.6px;color:var(--muted);line-height:1.7;margin-bottom:18px;}
.check-row input{width:17px;height:17px;margin-top:3px;accent-color:var(--brand);flex:0 0 auto;}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.form-note{font-size:13px;color:var(--muted);}
.form-success{
  display:none;margin-top:18px;padding:14px 16px;border-radius:var(--r-btn);
  background:var(--brand-light);color:var(--brand-dark);font-size:14.6px;font-weight:500;
  border:1px solid #CFE0DC;
}
.form-success.is-visible{display:block;}

/* 弹层 */
.modal-mask{
  position:fixed;inset:0;background:rgba(22,48,44,.55);
  display:none;align-items:center;justify-content:center;z-index:300;padding:20px;
}
.modal-mask.is-open{display:flex;}
.modal-panel{
  width:100%;max-width:480px;background:#fff;border-radius:16px;
  padding:30px 28px 26px;box-shadow:0 24px 60px rgba(22,48,44,.28);
  max-height:90vh;overflow:auto;
}
.modal-panel h3{font-size:21px;margin-bottom:8px;}
.modal-panel .modal-sub{font-size:14.6px;color:var(--muted);margin-bottom:20px;line-height:1.8;}
.modal-close{
  position:absolute;top:0;right:0;width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;color:var(--muted);font-size:16px;
}
.modal-close:hover{background:var(--paper);color:var(--brand-dark);}
.modal-head{position:relative;}

/* 页脚 */
.site-footer{background:var(--deep);color:var(--deep-muted);padding:72px 0 28px;margin-top:0;}
.footer-grid{display:flex;flex-wrap:wrap;margin:0 -16px;}
.footer-grid > div{flex:0 0 25%;max-width:25%;padding:0 16px 32px;}
.footer-brand{flex:0 0 25%;}
.f-logo{display:flex;align-items:center;gap:10px;font-size:17.5px;font-weight:700;color:var(--deep-text);margin-bottom:14px;}
.f-logo .logo-mark{width:30px;height:30px;border-radius:9px;background:rgba(230,242,239,.14);}
.site-footer p{font-size:14.4px;color:var(--deep-muted);line-height:1.85;margin-bottom:10px;}
.site-footer h4{font-size:15.5px;color:var(--deep-text);margin-bottom:16px;font-weight:600;}
.footer-links li,.footer-contact li{margin-bottom:10px;font-size:14.4px;}
.footer-links a{color:var(--deep-muted);}
.footer-links a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:var(--deep-muted);}
.footer-contact i{color:var(--amber);margin-top:5px;font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.12);padding-top:22px;margin-top:16px;
  font-size:13.6px;color:#8FA6A1;
}

/* 响应式 */
@media (max-width:1199px){
  h1{font-size:38px;}
  .page-hero h1{font-size:36px;}
  .filter-aside{flex:0 0 220px;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .header-inner{flex-wrap:wrap;gap:14px;}
  .nav-search{order:3;flex:1 1 100%;max-width:none;min-width:0;}
  .main-nav,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .filter-layout{flex-direction:column;gap:var(--sp-4);}
  .filter-aside{position:static;flex:1 1 auto;width:100%;}
  .filter-list{flex-direction:row;flex-wrap:wrap;}
  .filter-btn{width:auto;flex:0 0 auto;}
  .point-grid > .cell{flex:0 0 100%;max-width:100%;}
  .stat-grid > .cell{flex:0 0 50%;max-width:50%;}
  .flow-grid > .cell{flex:0 0 50%;max-width:50%;}
  .footer-grid > div{flex:0 0 50%;max-width:50%;}
  .cta-panel{padding:30px 24px 26px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  h1{font-size:30px;}
  .page-hero{padding:48px 0 56px;}
  .page-hero h1{font-size:28px;}
  .page-hero .lead{font-size:16px;}
  h2{font-size:23px;}
  h3{font-size:19px;}
  .plan-grid > .cell{flex:0 0 100%;max-width:100%;}
  .flow-grid > .cell{flex:0 0 100%;max-width:100%;}
  .stat-grid > .cell{flex:0 0 100%;max-width:100%;}
  .footer-grid > div{flex:0 0 100%;max-width:100%;}
  .form-grid .field.half{flex:0 0 100%;}
  .header-inner{min-height:64px;}
  .nav-search{padding-left:14px;}
  .nav-search .search-btn{padding:9px 14px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .result-bar{align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --c-primary:#1F6F63;
  --c-primary-dark:#14524A;
  --c-primary-light:#E6F2EF;
  --c-accent:#D98A3D;
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-dark:#16302C;
  --c-text:#22292A;
  --c-muted:#5B6A68;
  --c-line:#E3E1DA;
  --c-dark-text:#F2F5F4;
  --c-dark-muted:#A9BDB8;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,48,44,.04), 0 10px 28px rgba(22,48,44,.06);
  --sh-2:0 2px 6px rgba(22,48,44,.08), 0 16px 36px rgba(22,48,44,.12);
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:64px; --sp-8:96px;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary-dark);text-decoration:none;transition:color .2s ease, background-color .2s ease;}
a:hover{color:var(--c-primary);}
p{margin:0 0 20px;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;color:var(--c-text);}
h2{font-size:28px;margin:0 0 16px;}
h3{font-size:21px;margin:0 0 10px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.bg-white{background:var(--c-surface);}
.bg-soft{background:var(--c-bg);}
.bg-light{background:var(--c-primary-light);}
.bg-dark{background:var(--c-dark);color:var(--c-dark-text);}

.sec-head{max-width:760px;margin-bottom:48px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.12em;
  color:var(--c-primary-dark);background:var(--c-primary-light);
  border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;
}
.sec-head h2{position:relative;padding-left:16px;}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  border-radius:4px;background:var(--c-primary);
}
.sec-head.center h2{padding-left:0;}
.sec-head.center h2::before{display:none;}
.sec-head p{color:var(--c-muted);font-size:16.5px;margin-bottom:0;}
.bg-dark .sec-head p{color:var(--c-dark-muted);}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(247,246,242,.94);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 6px 22px rgba(22,48,44,.08);}
.header-inner{
  display:flex;align-items:center;gap:20px;
  height:76px;transition:height .25s ease;
}
.site-header.scrolled .header-inner{height:64px;}

.logo{
  display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;
  font-size:18px;font-weight:700;color:var(--c-primary-dark);
  letter-spacing:.01em;white-space:nowrap;
}
.logo:hover{color:var(--c-primary);}
.logo-mark{
  width:32px;height:32px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-dark);border-radius:10px;
}
.logo-mark svg{width:22px;height:22px;}

.header-search{flex:1 1 320px;max-width:480px;margin:0 auto;}
.search-form{
  display:flex;align-items:center;gap:6px;
  height:46px;padding:0 6px 0 16px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  transition:border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.search-form:focus-within{
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px var(--c-primary-light);
  transform:translateY(-1px);
}
.search-form i{color:var(--c-muted);font-size:15px;}
.search-form input{
  flex:1 1 auto;min-width:0;
  border:0;background:transparent;outline:none;
  font-size:14.5px;color:var(--c-text);
}
.search-form input::placeholder{color:#93A19F;}
.search-form button{
  flex:0 0 auto;height:34px;padding:0 16px;
  border:0;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;
  font-size:13.5px;font-weight:600;cursor:pointer;
  transition:background-color .2s ease;
}
.search-form button:hover{background:var(--c-primary-dark);}

.main-nav{display:flex;align-items:center;gap:2px;flex:0 0 auto;}
.main-nav a{
  display:inline-block;padding:9px 13px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--c-muted);white-space:nowrap;
  transition:color .2s ease, background-color .2s ease;
}
.main-nav a:hover{color:var(--c-primary-dark);background:var(--c-primary-light);}
.main-nav a.active{color:var(--c-primary-dark);background:var(--c-primary-light);font-weight:600;}
.main-nav a.active::after{
  content:"";display:block;height:2px;width:16px;margin:3px auto 0;
  border-radius:2px;background:var(--c-accent);
}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-primary-dark);font-size:16px;cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--c-primary);background:var(--c-primary-light);}

.mobile-panel{display:none;padding:16px 0 20px;border-top:1px solid var(--c-line);background:var(--c-surface);}
.mobile-panel.open{display:block;}
.mobile-panel .search-form{margin-bottom:14px;}
.mobile-nav{display:flex;flex-direction:column;gap:4px;}
.mobile-nav a{
  padding:12px 14px;border-radius:12px;font-size:15.5px;
  color:var(--c-muted);background:var(--c-bg);
}
.mobile-nav a.active{color:var(--c-primary-dark);background:var(--c-primary-light);font-weight:600;}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .22s ease, color .22s ease, transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.btn-primary:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-outline{background:var(--c-surface);color:var(--c-primary-dark);border-color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-light);color:var(--c-primary-dark);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-1px);}
.btn-lg{padding:16px 32px;font-size:16px;border-radius:var(--r-pill);}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn:active{transform:translateY(0);}

.link-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:600;color:var(--c-primary-dark);
}
.link-more i{transition:transform .2s ease;color:var(--c-accent);}
.link-more:hover i{transform:translateX(3px);}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;
  background:var(--c-primary-light);color:var(--c-primary-dark);
}
.tag-accent{background:rgba(217,138,61,.14);color:#A96524;}

/* ============ Page hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:96px 0 88px;
  background-color:var(--c-dark);
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  color:var(--c-dark-text);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg, rgba(20,46,42,.94) 0%, rgba(20,46,42,.80) 52%, rgba(22,48,44,.58) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(242,245,244,.72);margin-bottom:22px;}
.crumbs a{color:rgba(242,245,244,.86);}
.crumbs a:hover{color:#fff;text-decoration:underline;}
.crumbs span.sep{color:rgba(242,245,244,.45);}
.page-hero h1{
  font-size:40px;font-weight:700;color:#fff;
  max-width:840px;margin:0 0 18px;
}
.page-hero .lead{
  font-size:17.5px;line-height:1.85;color:rgba(242,245,244,.86);
  max-width:720px;margin:0 0 30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:12px 28px;}
.hero-trust li{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;color:rgba(242,245,244,.9);
}
.hero-trust i{color:var(--c-accent);}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;
}
.hero-meta .tag{background:rgba(230,242,239,.16);color:#DCEAE6;}
.hero-meta .tag-accent{background:rgba(217,138,61,.22);color:#F0C08C;}

/* ============ Zigzag ============ */
.zig-list{display:flex;flex-direction:column;gap:0;}
.zig-row{
  display:grid;grid-template-columns:1.02fr 1fr;gap:56px;align-items:center;
  padding:52px 0;
}
.zig-row + .zig-row{border-top:1px dashed var(--c-line);}
.zig-row.flip .zig-media{order:2;}
.zig-row.flip .zig-body{order:1;}

.zig-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .3s ease, box-shadow .3s ease;}
.zig-media:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.zig-media img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#EDEBE5;}
.media-tag{
  position:absolute;top:14px;left:14px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(22,48,44,.84);color:#fff;
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
}
.zig-step{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.zig-num{
  font-size:15px;font-weight:700;letter-spacing:.14em;
  color:var(--c-accent);font-variant-numeric:tabular-nums;
}
.zig-dot{width:26px;height:2px;border-radius:2px;background:var(--c-primary);}
.zig-body h3{font-size:24px;margin:0 0 12px;}
.zig-body p{color:var(--c-muted);font-size:16px;margin:0 0 18px;}
.zig-points{display:flex;flex-direction:column;gap:10px;margin-bottom:20px;}
.zig-points li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15.5px;color:var(--c-text);
}
.zig-points i{color:var(--c-primary);margin-top:6px;font-size:13px;}

/* ============ Steps timeline ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step{
  position:relative;padding:56px 22px 24px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D5D2C8;}
.step::before{
  content:"";position:absolute;top:30px;right:-24px;width:24px;height:2px;
  background:var(--c-line);
}
.step:last-child::before{display:none;}
.step-num{
  position:absolute;top:18px;left:22px;
  width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-light);color:var(--c-primary-dark);
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step h3{font-size:19px;margin:16px 0 8px;}
.step p{font-size:15px;color:var(--c-muted);margin:0;}

/* ============ Stats ============ */
.stat-row{display:flex;flex-wrap:wrap;gap:24px;}
.stat-row .cell{flex:1 1 220px;padding:0;min-width:0;}
.stat{
  height:100%;padding:26px 24px;border-radius:var(--r-card);
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.10);
  transition:background-color .25s ease, transform .25s ease;
}
.stat:hover{background:rgba(255,255,255,.09);transform:translateY(-2px);}
.stat-num{
  font-size:38px;font-weight:700;line-height:1.1;
  color:var(--c-accent);font-variant-numeric:tabular-nums;
}
.stat-num small{font-size:16px;font-weight:600;margin-left:4px;color:var(--c-accent);}
.stat-title{font-size:16px;font-weight:600;color:var(--c-dark-text);margin:10px 0 6px;}
.stat p{font-size:14.5px;color:var(--c-dark-muted);margin:0;line-height:1.7;}

/* ============ Table ============ */
.table-wrap{
  overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-card);
  background:var(--c-surface);box-shadow:var(--sh-1);
}
.table-wrap table{width:100%;border-collapse:collapse;min-width:720px;}
.table-wrap th,.table-wrap td{
  padding:15px 20px;text-align:left;font-size:15px;
  border-bottom:1px solid var(--c-line);vertical-align:top;
}
.table-wrap thead th{
  background:var(--c-primary-light);color:var(--c-primary-dark);
  font-size:14.5px;font-weight:600;white-space:nowrap;
}
.table-wrap tbody tr:last-child td{border-bottom:0;}
.table-wrap tbody tr:hover{background:#FAF9F5;}
.table-wrap td strong{color:var(--c-primary-dark);}

/* ============ FAQ ============ */
.faq-list{max-width:880px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:12px;margin-bottom:12px;overflow:hidden;
  transition:box-shadow .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.faq-item:hover{border-color:#D5D2C8;}
.faq-item.open{box-shadow:inset 4px 0 0 var(--c-primary), var(--sh-1);border-color:#D5D2C8;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--c-text);text-align:left;line-height:1.6;
}
.faq-q i{color:var(--c-primary);transition:transform .25s ease;flex:0 0 auto;}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease, padding .3s ease;
  padding:0 22px;
}
.faq-item.open .faq-a{max-height:420px;padding:0 22px 20px;}
.faq-a p{font-size:15.5px;color:var(--c-muted);margin:0;line-height:1.85;}

/* ============ CTA ============ */
.cta-block{
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
  padding:56px;border-radius:20px;
  background:var(--c-surface);border:1px solid var(--c-line);
  box-shadow:var(--sh-1);
}
.cta-block h2{font-size:30px;margin-bottom:14px;}
.cta-block p{color:var(--c-muted);margin-bottom:22px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-note{font-size:13.5px;color:var(--c-muted);margin-top:14px;}
.cta-media{border-radius:16px;overflow:hidden;box-shadow:var(--sh-1);}
.cta-media img{width:100%;aspect-ratio:3/2;object-fit:cover;background:#EDEBE5;}

/* ============ Footer ============ */
.site-footer{background:var(--c-dark);color:var(--c-dark-muted);padding:72px 0 26px;font-size:15px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.35fr;gap:40px;}
.f-logo{
  display:flex;align-items:center;gap:10px;
  color:var(--c-dark-text);font-size:18px;font-weight:700;margin-bottom:16px;
}
.footer-brand p{font-size:14.5px;line-height:1.85;margin:0 0 14px;}
.site-footer h4{font-size:16px;color:var(--c-dark-text);margin:0 0 16px;font-weight:600;}
.footer-links li{margin-bottom:10px;}
.footer-links a,.footer-contact span{color:var(--c-dark-muted);font-size:14.5px;}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;line-height:1.7;}
.footer-contact i{color:var(--c-accent);margin-top:5px;font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13.5px;color:#8AA09B;
}

/* ============ Modal & forms ============ */
.reveal-overlay{background:rgba(22,48,44,.55);}
.reveal.lead-modal{
  border:0;border-radius:16px;padding:0;max-width:480px;
  box-shadow:0 24px 60px rgba(22,48,44,.28);
}
.lead-modal-inner{padding:28px 28px 24px;}
.lead-modal-inner h3{font-size:21px;margin:0 0 8px;}
.lead-modal-inner .sub{font-size:14.5px;color:var(--c-muted);margin:0 0 20px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-text);margin-bottom:6px;}
.field input,.field textarea{
  width:100%;padding:11px 14px;border:1px solid var(--c-line);
  border-radius:var(--r-btn);background:var(--c-surface);color:var(--c-text);
  outline:none;transition:border-color .2s ease, box-shadow .2s ease;
}
.field input:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-light);}
.field textarea{min-height:88px;resize:vertical;}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--c-muted);margin:6px 0 18px;line-height:1.7;}
.agree input{margin-top:4px;width:16px;height:16px;accent-color:var(--c-primary);}
.form-success{
  display:none;margin-top:14px;padding:12px 16px;border-radius:var(--r-btn);
  background:var(--c-primary-light);color:var(--c-primary-dark);
  font-size:14.5px;font-weight:600;
}
.form-success.show{display:block;}
.modal-close{
  position:absolute;top:12px;right:12px;width:34px;height:34px;
  border-radius:50%;border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-muted);cursor:pointer;font-size:14px;
}
.modal-close:hover{background:var(--c-primary-light);color:var(--c-primary-dark);}

/* ============ Responsive ============ */
@media (max-width:1199px){
  .main-nav a{padding:8px 10px;font-size:13.5px;}
  .header-search{max-width:330px;}
  .header-inner{gap:14px;}
}
@media (max-width:991px){
  .main-nav,.header-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn{display:none;}
  .section{padding:68px 0;}
  .page-hero{padding:72px 0 64px;}
  .page-hero h1{font-size:32px;}
  .zig-row{grid-template-columns:1fr;gap:28px;padding:40px 0;}
  .zig-row.flip .zig-media,
  .zig-row.flip .zig-body{order:0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step::before{display:none;}
  .cta-block{grid-template-columns:1fr;padding:36px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .header-inner{height:64px;gap:10px;}
  .site-header.scrolled .header-inner{height:56px;}
  .logo{font-size:16px;}
  .logo-mark{width:28px;height:28px;border-radius:8px;}
  .section{padding:52px 0;}
  .section--tight{padding:44px 0;}
  h2{font-size:24px;}
  .page-hero{padding:56px 0 52px;}
  .page-hero h1{font-size:27px;}
  .page-hero .lead{font-size:16px;}
  .steps{grid-template-columns:1fr;}
  .stat-row .cell{flex:1 1 100%;}
  .stat-num{font-size:32px;}
  .cta-block{padding:26px 20px;border-radius:16px;}
  .cta-block h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .faq-a{padding:0 18px;}
  .faq-item.open .faq-a{padding:0 18px 18px;}
  .reveal.lead-modal{max-width:calc(100% - 24px);}
  .lead-modal-inner{padding:22px 20px 20px;}
}

/* roulang page: category3 */
:root{
  --brand:#1F6F63;
  --brand-dark:#14524A;
  --brand-light:#E6F2EF;
  --accent:#D98A3D;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --dark:#16302C;
  --text:#22292A;
  --muted:#5B6A68;
  --line:#E3E1DA;
  --radius:14px;
  --radius-btn:10px;
  --shadow:0 1px 2px rgba(22,48,44,.04),0 10px 28px rgba(22,48,44,.06);
  --shadow-hover:0 2px 4px rgba(22,48,44,.06),0 16px 34px rgba(22,48,44,.12);
  --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:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-dark);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand-light);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--text);letter-spacing:.2px;}
h1{font-size:38px;}
h2{font-size:28px;margin-top:var(--s48);margin-bottom:var(--s16);}
h3{font-size:21px;font-weight:600;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- Foundation 覆盖 ---------- */
.grid-container,.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.grid-x{display:flex;flex-direction:row;flex-wrap:wrap;}
.cell{flex:0 0 auto;min-height:0;min-width:0;width:100%;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{width:calc(100% - 24px);margin-left:12px;margin-right:12px;}
.accordion,.accordion-item,.accordion-title,.accordion-content{background:none;border:0;padding:0;margin:0;}
.reveal{border:0;padding:0;background:transparent;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  font-size:16px;
  font-weight:600;
  line-height:1.2;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  cursor:pointer;
  font-family:inherit;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand);}
.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(20,82,74,.22);}
.btn-outline{background:#fff;color:var(--brand-dark);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-1px);}
.btn-accent{
  background:#fff;color:#A8622A;border:1px solid var(--accent);
  border-radius:999px;padding:11px 24px;font-size:15px;
}
.btn-accent:hover{background:#FDF4EA;color:#8F5220;transform:translateY(-1px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:600;color:var(--brand-dark);font-size:15px;
}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover i{transform:translateX(2px);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1.6;
  background:var(--brand-light);color:var(--brand-dark);
  border:1px solid rgba(31,111,99,.14);
}
.badge-accent{background:#FCF1E4;color:#A8622A;border-color:rgba(217,138,61,.28);}
.badge-plain{background:#F2F1EC;color:var(--muted);border-color:var(--line);}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(22,48,44,.08);}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:76px;
  transition:height .25s ease;
}
.site-header.is-stuck .header-inner{height:64px;}
.brand{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:var(--brand-dark);
  letter-spacing:.3px;flex:0 0 auto;
}
.brand:hover{color:var(--brand);}
.logo-mark{
  width:34px;height:34px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--dark);border-radius:11px;
}
.logo-mark svg{width:20px;height:20px;}
.nav-search{
  position:relative;flex:1 1 auto;max-width:460px;
  display:flex;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:4px 4px 4px 16px;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.nav-search:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 2px var(--brand-light);
  transform:translateY(-1px);
}
.nav-search i{color:var(--brand);font-size:15px;flex:0 0 auto;}
.nav-search input{
  flex:1 1 auto;border:0;background:transparent;outline:none;
  font-family:inherit;font-size:15px;color:var(--text);
  padding:9px 10px;min-width:0;
}
.nav-search input::placeholder{color:#93A09E;}
.nav-search button{
  flex:0 0 auto;border:0;cursor:pointer;
  background:var(--brand);color:#fff;font-family:inherit;
  font-size:14px;font-weight:600;
  padding:9px 18px;border-radius:999px;
  transition:background-color .2s ease;
}
.nav-search button:hover{background:var(--brand-dark);}
.main-nav{
  display:flex;align-items:center;gap:6px;flex:0 0 auto;
}
.main-nav a{
  display:inline-block;
  padding:9px 14px;border-radius:9px;
  font-size:15px;font-weight:500;color:var(--muted);
  transition:color .2s ease,background-color .2s ease;
}
.main-nav a:hover{color:var(--brand-dark);background:var(--brand-light);}
.main-nav a.active{color:var(--brand-dark);background:var(--brand-light);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--brand-dark);
  cursor:pointer;font-size:17px;
}
.nav-toggle:hover{background:var(--brand-light);}

/* ---------- 内页 Banner ---------- */
.page-hero{
  position:relative;
  background-image:linear-gradient(105deg,rgba(22,48,44,.92) 0%,rgba(22,48,44,.72) 52%,rgba(20,82,74,.62) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#F2F5F4;
  padding:72px 0 64px;
}
.page-hero h1{color:#fff;font-size:40px;max-width:760px;}
.page-hero .lead{
  margin-top:18px;max-width:660px;
  font-size:17px;line-height:1.85;color:#D3E1DE;
}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:#A9BDB8;margin-bottom:20px;
}
.crumb a{color:#CDDBD8;}
.crumb a:hover{color:#fff;}
.crumb span.sep{opacity:.6;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.page-hero .btn-outline{background:transparent;color:#EAF3F1;border-color:rgba(230,242,239,.55);}
.page-hero .btn-outline:hover{background:rgba(230,242,239,.14);color:#fff;}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px;margin-top:32px;}
.hero-trust span{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:#C8D8D4;
}
.hero-trust i{color:var(--accent);}

/* ---------- 区块通用 ---------- */
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.section-white{background:#fff;}
.section-dark{background:var(--dark);color:#F2F5F4;}
.section-dark h2,.section-dark h3{color:#fff;}
.section-head{max-width:720px;margin-bottom:36px;}
.section-label{
  display:inline-flex;align-items:center;gap:10px;
  font-size:14px;font-weight:600;color:var(--brand);
  letter-spacing:1px;margin-bottom:12px;
}
.section-label::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand);}
.section-head p{color:var(--muted);margin-top:12px;}
.section-dark .section-head p{color:#A9BDB8;}

/* ---------- 顶部信息卡组 ---------- */
.stat-grid{display:flex;flex-wrap:wrap;gap:18px;}
.stat-card{
  flex:1 1 210px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease;
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.stat-card .stat-num{
  font-size:34px;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.stat-card .stat-num small{font-size:16px;font-weight:600;margin-left:4px;color:var(--accent);}
.stat-card h3{font-size:17px;margin-top:12px;}
.stat-card p{font-size:14.5px;color:var(--muted);margin-top:8px;margin-bottom:0;line-height:1.75;}

/* ---------- 图文分栏 ---------- */
.split{
  display:flex;flex-wrap:wrap;align-items:center;gap:48px;
  margin-top:56px;
}
.split-media{flex:1 1 420px;min-width:280px;}
.split-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius);box-shadow:var(--shadow);
  background:#EAE8E2;
}
.split-body{flex:1 1 400px;min-width:280px;}
.split-body h3{font-size:23px;margin-bottom:14px;}
.split-body p{color:var(--muted);}
.check-list{margin-top:20px;display:grid;gap:12px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15.5px;color:var(--text);
}
.check-list i{color:var(--brand);margin-top:6px;font-size:14px;}

/* ---------- 纵向长列表 ---------- */
.ops-list{display:grid;gap:18px;margin-top:8px;}
.ops-item{
  display:flex;flex-wrap:wrap;gap:24px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 28px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.ops-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#CFE0DB;}
.ops-index{
  flex:0 0 52px;width:52px;height:52px;border-radius:14px;
  background:var(--brand-light);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;
}
.ops-main{flex:1 1 460px;min-width:260px;}
.ops-main h3{font-size:19px;}
.ops-main p{color:var(--muted);font-size:15.5px;margin-top:10px;margin-bottom:0;}
.ops-side{
  flex:0 0 150px;display:flex;flex-direction:column;align-items:flex-end;
  gap:10px;text-align:right;
}
.ops-side .date{font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums;}

/* ---------- 表格 ---------- */
.table-wrap{
  margin-top:28px;overflow-x:auto;
  border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;box-shadow:var(--shadow);
  -webkit-overflow-scrolling:touch;
}
table.compare{min-width:680px;}
table.compare caption{
  text-align:left;padding:18px 24px 0;
  font-size:14px;color:var(--muted);
}
table.compare th,table.compare td{
  padding:16px 24px;text-align:left;font-size:15.5px;
  border-bottom:1px solid var(--line);
}
table.compare thead th{
  background:#F2F6F4;color:var(--brand-dark);font-weight:600;
  font-size:14.5px;letter-spacing:.3px;
}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare tbody tr:hover{background:#FAFBFA;}
table.compare td:first-child{font-weight:600;color:var(--text);}

/* ---------- 流程步骤 ---------- */
.steps{
  display:flex;flex-wrap:wrap;gap:20px;margin-top:36px;
  counter-reset:step;
}
.step{
  flex:1 1 220px;
  position:relative;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(230,242,239,.16);
  border-radius:var(--radius);
  padding:26px 24px 24px;
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:var(--accent);color:#3B2410;
  font-weight:700;font-size:16px;font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step h3{font-size:18px;margin-bottom:10px;}
.step p{font-size:14.5px;color:#A9BDB8;margin-bottom:0;line-height:1.8;}

/* ---------- FAQ ---------- */
.faq{margin-top:32px;display:grid;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#CFE0DB;}
.faq-item.open{box-shadow:var(--shadow);border-color:#CFE0DB;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;
  font-family:inherit;font-size:17px;font-weight:600;color:var(--text);
  text-align:left;line-height:1.6;
}
.faq-item.open .faq-q{color:var(--brand-dark);}
.faq-q i{
  flex:0 0 auto;font-size:14px;color:var(--brand);
  transition:transform .25s ease;
}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{
  display:none;padding:0 24px 22px 24px;
  border-left:4px solid var(--brand);margin-left:0;
}
.faq-item.open .faq-a{display:block;}
.faq-a p{font-size:15.5px;color:var(--muted);}

/* ---------- CTA / 表单 ---------- */
.cta-panel{
  display:flex;flex-wrap:wrap;gap:44px;
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  padding:44px;box-shadow:var(--shadow);
}
.cta-copy{flex:1 1 380px;min-width:280px;}
.cta-copy h2{margin-top:0;}
.cta-copy p{color:var(--muted);}
.cta-form{flex:1 1 400px;min-width:280px;}
.field{margin-bottom:16px;}
.field label{
  display:block;font-size:14px;font-weight:600;
  color:var(--brand-dark);margin-bottom:8px;
}
.field input,.field textarea{
  width:100%;font-family:inherit;font-size:15.5px;color:var(--text);
  padding:13px 16px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#FCFCFB;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.75;}
.field input:focus,.field textarea:focus{
  border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 2px var(--brand-light);
}
.field input::placeholder,.field textarea::placeholder{color:#9AA6A4;}
.consent{
  display:flex;gap:10px;align-items:flex-start;
  font-size:13.5px;color:var(--muted);line-height:1.7;margin:14px 0 18px;
}
.consent input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand);flex:0 0 auto;}
.form-note{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.7;}
.form-success{
  display:none;margin-top:16px;padding:14px 18px;
  background:var(--brand-light);border:1px solid rgba(31,111,99,.2);
  border-radius:var(--radius-btn);color:var(--brand-dark);
  font-size:14.5px;
}
.form-success.show{display:block;}

/* ---------- 弹层 ---------- */
.modal-overlay{
  position:fixed;inset:0;background:rgba(22,48,44,.55);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
  z-index:90;
}
.modal-overlay.is-open{opacity:1;visibility:visible;}
.reveal{
  position:fixed;left:50%;top:50%;
  transform:translate(-50%,-46%);
  width:calc(100% - 32px);max-width:480px;
  background:#fff;border-radius:16px;
  padding:32px;box-shadow:0 24px 60px rgba(22,48,44,.28);
  z-index:100;display:none;max-height:88vh;overflow-y:auto;
}
.reveal.is-open{display:block;animation:modalIn .26s ease forwards;}
@keyframes modalIn{
  from{opacity:0;transform:translate(-50%,-42%);}
  to{opacity:1;transform:translate(-50%,-50%);}
}
.reveal h3{font-size:21px;margin-bottom:8px;}
.reveal .modal-sub{font-size:14.5px;color:var(--muted);margin-bottom:22px;}
.modal-close{
  position:absolute;right:14px;top:14px;
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--muted);cursor:pointer;font-size:15px;
}
.modal-close:hover{background:var(--brand-light);color:var(--brand-dark);}
body.modal-open{overflow:hidden;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);color:#C8D8D4;
  padding:64px 0 26px;font-size:15px;
}
.footer-grid{
  display:flex;flex-wrap:wrap;gap:40px;
  padding-bottom:36px;border-bottom:1px solid rgba(230,242,239,.14);
}
.footer-grid>div{flex:1 1 210px;min-width:200px;}
.footer-grid>div.footer-brand{flex:1 1 320px;}
.site-footer h4{
  color:#fff;font-size:16px;font-weight:600;margin-bottom:16px;
}
.f-logo{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:#fff;margin-bottom:16px;
}
.site-footer p{color:#A9BDB8;font-size:14.5px;line-height:1.85;margin-bottom:12px;}
.footer-links li,.footer-contact li{margin-bottom:11px;}
.footer-links a{color:#C8D8D4;font-size:14.5px;}
.footer-links a:hover{color:#fff;}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;
  color:#A9BDB8;font-size:14.5px;line-height:1.7;
}
.footer-contact i{color:var(--accent);margin-top:5px;font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:22px;font-size:13.5px;color:#8FA5A0;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .header-inner{gap:16px;}
  .nav-search{max-width:300px;}
  .main-nav a{padding:9px 10px;font-size:14.5px;}
  .page-hero h1{font-size:34px;}
}
@media (max-width:991px){
  h1{font-size:30px;}
  h2{font-size:24px;}
  .main-nav,.nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .site-header.menu-open .header-inner{height:auto;padding-bottom:18px;flex-wrap:wrap;}
  .site-header.menu-open .nav-search{
    display:flex;order:3;flex:1 1 100%;max-width:none;margin-top:14px;
  }
  .site-header.menu-open .main-nav{
    display:flex;order:4;flex:1 1 100%;flex-wrap:wrap;gap:8px;margin-top:14px;
  }
  .site-header.menu-open .main-nav a{
    background:#fff;border:1px solid var(--line);padding:10px 16px;
  }
  .section{padding:56px 0;}
  .page-hero{padding:52px 0 48px;}
  .split{gap:32px;margin-top:40px;}
  .cta-panel{padding:30px;}
  .ops-side{flex:1 1 100%;align-items:flex-start;text-align:left;}
  .steps{flex-direction:column;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container,.grid-container{padding-left:16px;padding-right:16px;}
  h1{font-size:26px;}
  h2{font-size:22px;margin-top:36px;}
  h3{font-size:19px;}
  .page-hero h1{font-size:26px;}
  .page-hero .lead{font-size:16px;}
  .section{padding:48px 0;}
  .section-tight{padding:40px 0;}
  .hero-cta{gap:10px;}
  .hero-cta .btn{flex:1 1 100%;}
  .stat-grid{gap:12px;}
  .stat-card{flex:1 1 100%;}
  .ops-list{gap:12px;}
  .ops-item{padding:20px;gap:16px;}
  .ops-index{width:44px;height:44px;flex:0 0 44px;font-size:15px;}
  .cta-panel{padding:22px;gap:28px;border-radius:14px;}
  .reveal{padding:24px;}
  .footer-grid{gap:28px;}
  .footer-grid>div{flex:1 1 100%;}
  .footer-bottom{flex-direction:column;}
}