/* roulang page: index */
:root{
  --ink:#1E2523;
  --muted:#59635F;
  --primary:#0C4F4A;
  --primary-dark:#073531;
  --primary-light:#15786F;
  --primary-soft:#EAF2F0;
  --accent:#DE7B2B;
  --accent-dark:#B85F16;
  --accent-soft:#FBEBDC;
  --border:#E3E0D8;
  --page:#F7F5F0;
  --card:#FFFFFF;
  --input-border:#D8D5CC;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-card:0 1px 2px rgba(7,53,49,.05),0 10px 30px -12px rgba(7,53,49,.16);
  --shadow-hover:0 18px 44px -16px rgba(7,53,49,.26);
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:Georgia,"Times New Roman",serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--page);
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--primary);text-decoration:none;transition:color .16s ease-out;}
a:hover{color:var(--primary-light);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
h1,h2,h3,h4{margin:0;letter-spacing:.01em;color:var(--ink);}
h1{font-size:clamp(2rem,4.4vw,3.25rem);line-height:1.15;font-weight:800;}
h2{font-size:clamp(1.5rem,2.6vw,2.125rem);line-height:1.28;font-weight:750;}
h3{font-size:1.25rem;line-height:1.45;font-weight:700;}
h4{font-size:1.0625rem;font-weight:600;line-height:1.5;}
p{margin:0 0 1.1em;}
.container{max-width:1140px;margin:0 auto;padding:0 24px;}
.num{font-family:var(--serif);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#FBF9F4;
  border-bottom:1px solid var(--border);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:64px;
}
.nav-left{display:flex;align-items:center;gap:32px;min-width:0;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;}
.brand:hover{color:var(--primary);text-decoration:none;}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:8px;
  background:var(--primary);color:#F4F1E9;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:17px;font-weight:700;
}
.brand-name{font-size:17px;font-weight:800;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:26px;list-style:none;margin:0;padding:0;}
.nav-links a{
  font-size:15px;color:var(--ink);padding:6px 0;position:relative;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease-out;
}
.nav-links a:hover{color:var(--primary);text-decoration:none;}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--primary);font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-search{position:relative;}
.nav-search input{
  width:210px;height:40px;padding:0 14px;
  border:1px solid var(--border);border-radius:var(--radius-btn);
  background:#fff;font-size:14px;color:var(--ink);
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.nav-search input::placeholder{color:#969F9B;}
.nav-search input:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(12,79,74,.12);
}
.nav-toggle{
  display:none;width:44px;height:40px;border:1px solid var(--border);border-radius:var(--radius-btn);
  background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--primary);border-radius:2px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .16s ease-out,color .16s ease-out,border-color .16s ease-out,transform .16s ease-out,box-shadow .16s ease-out;
}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px -12px rgba(222,123,43,.7);}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);text-decoration:none;}
.btn-primary:active{transform:none;}
.btn-outline{background:transparent;color:var(--primary);border-color:rgba(12,79,74,.35);}
.btn-outline:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:var(--primary);transform:translateY(-1px);text-decoration:none;}
.btn-outline:active{transform:none;}
.btn-light{background:#F4F1E9;color:var(--primary-dark);}
.btn-light:hover{background:#fff;color:var(--primary-dark);transform:translateY(-1px);text-decoration:none;}
.link-arrow{font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}

/* ---------- 移动端抽屉 ---------- */
.offcanvas.mobile-nav{width:min(88vw,360px);background:#FBF9F4;}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--border);padding:16px 20px;}
.mobile-nav .brand-name{font-size:16px;white-space:normal;}
.mobile-nav .offcanvas-body{padding:12px 0;}
.mobile-links{list-style:none;margin:0;padding:0;}
.mobile-links a{
  display:flex;align-items:center;height:48px;padding:0 20px;
  font-size:16px;color:var(--ink);border-bottom:1px solid var(--border);
}
.mobile-links a.active{color:var(--primary);font-weight:600;background:var(--primary-soft);}
.mobile-nav .mobile-cta{margin:20px;display:flex;}

/* ---------- 首屏 ---------- */
.hero{
  background:#FBF9F4;
  border-bottom:1px solid var(--border);
  padding:64px 0 88px;
  position:relative;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(to right,rgba(12,79,74,.055) 1px,transparent 1px);
  background-size:96px 100%;
  opacity:.5;pointer-events:none;
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  min-height:clamp(560px,72vh,760px);
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:999px;
  border:1px solid rgba(12,79,74,.22);background:var(--primary-soft);
  color:var(--primary-dark);font-size:13px;font-weight:600;margin-bottom:22px;
}
.hero h1{margin-bottom:20px;}
.hero-sub{font-size:17px;line-height:1.85;color:var(--muted);max-width:34em;margin-bottom:28px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;list-style:none;margin:0;padding:0;}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14.5px;color:var(--muted);}
.hero-points li::before{
  content:"";width:6px;height:6px;border-radius:2px;background:var(--accent);flex:0 0 6px;
}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;border-radius:18px;box-shadow:var(--shadow-card);
}
.hero-index{
  position:absolute;left:-28px;bottom:-32px;width:288px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:18px 18px 10px;
}
.hero-index h4{font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.08em;margin-bottom:10px;}
.hero-index ul{list-style:none;margin:0;padding:0;}
.hero-index li + li{border-top:1px solid var(--border);}
.hero-index a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14.5px;color:var(--ink);
}
.hero-index a:hover{color:var(--primary);text-decoration:none;}
.hero-index a span:last-child{color:var(--accent);font-size:14px;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;border-bottom:1px solid var(--border);}
.section-alt{background:#fff;}
.section-head{margin-bottom:44px;max-width:760px;}
.section-no{
  display:block;font-family:var(--serif);font-size:13px;letter-spacing:.22em;
  color:var(--accent);font-weight:700;margin-bottom:12px;
}
.section-head p{color:var(--muted);margin:14px 0 0;font-size:16px;}

/* ---------- 价值主张 ---------- */
.value-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.value-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--border);}
.value-list li{
  display:grid;grid-template-columns:56px 1fr;gap:16px;
  padding:22px 0;border-bottom:1px solid var(--border);
}
.value-list .v-no{font-family:var(--serif);font-size:20px;color:var(--accent);font-weight:700;line-height:1.5;}
.value-list h4{margin-bottom:4px;}
.value-list p{margin:0;color:var(--muted);font-size:15px;line-height:1.8;}

/* ---------- bento ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:22px;}
.bento-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;
  transition:transform .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out;
}
.bento-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(12,79,74,.25);}
.bento-item:hover h3{color:var(--primary);}
.bento-item h3{margin-bottom:10px;transition:color .16s ease-out;}
.bento-item p{font-size:14.5px;line-height:1.75;color:var(--muted);margin:0 0 14px;}
.bento-item ul{list-style:none;margin:0 0 18px;padding:0;}
.bento-item ul li{
  position:relative;padding-left:16px;font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:6px;
}
.bento-item ul li::before{
  content:"";position:absolute;left:0;top:.7em;width:5px;height:5px;background:var(--primary);border-radius:1px;
}
.bento-item .link-arrow{margin-top:auto;}
.bento-focus{grid-column:span 2;grid-row:span 2;background:var(--primary);border-color:var(--primary);}
.bento-focus h3,.bento-focus h3 a{color:#F4F1E9;}
.bento-focus p,.bento-focus ul li{color:rgba(244,241,233,.82);}
.bento-focus ul li::before{background:var(--accent);}
.bento-focus .link-arrow{color:#F4F1E9;}
.bento-focus:hover h3{color:#fff;}
.bento-focus:hover{border-color:var(--primary-dark);}
.bento-no{
  font-family:var(--serif);font-size:13px;letter-spacing:.18em;color:var(--accent);
  font-weight:700;margin-bottom:14px;display:block;
}

/* ---------- 使用场景横滚 ---------- */
.scene-scroller{
  display:flex;gap:22px;overflow-x:auto;padding:6px 24px 26px;margin:0 -24px;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;-ms-overflow-style:none;
}
.scene-scroller::-webkit-scrollbar{display:none;}
.scene-card{
  flex:0 0 312px;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(12,79,74,.25);}
.scene-card img{width:100%;aspect-ratio:16/10;}
.scene-body{padding:20px;}
.scene-body .tag-line{font-size:13px;color:var(--accent);font-weight:600;margin-bottom:8px;display:block;}
.scene-body h3{font-size:1.125rem;margin-bottom:10px;}
.scene-card:hover h3{color:var(--primary);}
.scene-body p{margin:0 0 14px;font-size:14.5px;line-height:1.75;color:var(--muted);}

/* ---------- 路径示例（1大3小） ---------- */
.proof-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start;}
.proof-main{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);}
.proof-main img{width:100%;aspect-ratio:4/3;}
.proof-main-body{padding:26px;}
.proof-main-body p{color:var(--muted);font-size:15px;margin:10px 0 0;}
.proof-list{list-style:none;margin:0;padding:0;}
.proof-list li{
  padding:20px 0;border-bottom:1px solid var(--border);
}
.proof-list li:first-child{border-top:1px solid var(--border);}
.proof-list h4{margin-bottom:6px;}
.proof-list p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.75;}
.stat-row{display:flex;gap:36px;flex-wrap:wrap;margin-top:26px;padding-top:22px;border-top:1px solid var(--border);}
.stat-item .stat-num{font-family:var(--serif);font-size:2rem;font-weight:700;color:var(--primary);line-height:1.1;display:block;}
.stat-item .stat-label{font-size:13.5px;color:var(--muted);}

/* ---------- 方案 ---------- */
.plan-grid{display:grid;grid-template-columns:5fr 7fr;gap:28px;align-items:start;}
.plan-card{
  background:var(--primary);color:#F4F1E9;border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--shadow-card);
}
.plan-card h3{color:#fff;margin-bottom:8px;font-size:1.4rem;}
.plan-card .plan-price{font-family:var(--serif);font-size:2.6rem;font-weight:700;line-height:1.1;margin:16px 0 6px;color:#fff;}
.plan-card .plan-price small{font-size:15px;font-family:var(--sans);font-weight:500;color:rgba(244,241,233,.8);}
.plan-card p{color:rgba(244,241,233,.85);font-size:14.5px;}
.plan-card ul{list-style:none;margin:20px 0 26px;padding:0;}
.plan-card ul li{position:relative;padding-left:20px;font-size:14.5px;margin-bottom:8px;color:rgba(244,241,233,.9);}
.plan-card ul li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700;}
.plan-table-wrap{overflow-x:auto;}
table.plan-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;}
table.plan-table th,table.plan-table td{
  padding:0 18px;height:52px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--border);
}
table.plan-table thead th{
  background:var(--primary-soft);color:var(--primary-dark);font-weight:600;font-size:14px;
  position:sticky;top:0;z-index:2;
}
table.plan-table td.cell-num{font-family:var(--serif);font-weight:700;color:var(--primary);}
table.plan-table .yes{color:var(--primary);font-weight:700;}
table.plan-table .no{color:#B4B8B5;}
table.plan-table tbody tr:last-child td{border-bottom:none;}
table.plan-table tbody tr:hover{background:#FCFBF8;}

/* ---------- 最新信息 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-card);color:var(--ink);
  transition:transform .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(12,79,74,.25);text-decoration:none;color:var(--ink);}
.post-card:hover .post-title{color:var(--primary);}
.post-cover img{width:100%;aspect-ratio:16/9;}
.post-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.badge-soft{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:3px 11px;border-radius:999px;font-size:12.5px;
  background:var(--primary-soft);border:1px solid rgba(12,79,74,.18);color:var(--primary-dark);
  margin-bottom:12px;font-weight:600;
}
.post-title{
  font-size:18px;font-weight:700;line-height:1.5;margin-bottom:10px;transition:color .16s ease-out;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-excerpt{
  font-size:14.5px;line-height:1.75;color:var(--muted);margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);border-top:1px solid var(--border);padding-top:12px;
}
.post-meta .post-arrow{color:var(--accent);font-weight:600;}
.empty-state{
  border:1px dashed rgba(12,79,74,.35);background:#fff;border-radius:var(--radius-card);
  min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:32px;gap:10px;color:var(--muted);
}
.empty-state .empty-no{
  width:44px;height:44px;border-radius:12px;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:18px;font-weight:700;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:720px;margin:0 auto;}
.accordion.faq-accordion{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:#fff;}
.faq-accordion .accordion-item{border:none;border-bottom:1px solid var(--border);background:transparent;}
.faq-accordion .accordion-item:last-child{border-bottom:none;}
.faq-accordion .accordion-button{
  background:#fff;color:var(--ink);font-size:16px;font-weight:600;
  padding:20px 22px;box-shadow:none;border-radius:0;
}
.faq-accordion .accordion-button:not(.collapsed){background:var(--primary-soft);color:var(--primary);}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 2px rgba(222,123,43,.4) inset;}
.faq-accordion .accordion-button::after{
  width:10px;height:10px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  background-image:none;transform:rotate(-45deg);transition:transform .2s ease-out;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.faq-accordion .accordion-body{padding:4px 22px 22px;font-size:15.5px;line-height:1.8;color:var(--muted);}

/* ---------- 联系表单 ---------- */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.form-field{display:flex;flex-direction:column;gap:6px;}
.form-field.full{grid-column:1/-1;}
.form-field label{font-size:14px;color:var(--ink);font-weight:600;}
.form-field input,.form-field textarea{
  width:100%;min-height:48px;padding:12px 14px;border:1px solid var(--input-border);
  border-radius:var(--radius-btn);background:#fff;font-size:15px;color:var(--ink);font-family:inherit;
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.form-field textarea{min-height:120px;resize:vertical;}
.form-field input:focus,.form-field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(12,79,74,.16);
}
.form-note{font-size:13px;color:var(--muted);}
.form-panel{background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:32px;box-shadow:var(--shadow-card);}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--primary-dark);color:#F4F1E9;padding:72px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;margin-bottom:10px;}
.cta-inner p{color:rgba(244,241,233,.82);margin:0;font-size:15.5px;max-width:44em;}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.cta-actions .link-plain{color:#F4F1E9;font-size:15px;text-decoration:underline;text-underline-offset:4px;}
.cta-actions .link-plain:hover{color:var(--accent);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--primary-dark);color:rgba(244,241,233,.86);padding:72px 0 0;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:24% 20% 20% 36%;gap:32px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.site-footer p{color:rgba(244,241,233,.72);font-size:14px;line-height:1.8;}
.site-footer ul{list-style:none;margin:0;padding:0;}
.site-footer ul li{margin-bottom:10px;}
.site-footer a{color:rgba(244,241,233,.86);}
.site-footer a:hover{color:var(--accent);text-decoration:none;}
.footer-contact li{color:rgba(244,241,233,.72);font-size:14px;}
.footer-brand .brand-name{color:#fff;font-size:16px;font-weight:800;display:block;margin-bottom:14px;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(244,241,233,.6);
}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;
  background:var(--primary);color:#fff;border:none;display:flex;align-items:center;justify-content:center;
  font-size:18px;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease-out,transform .2s ease-out,background-color .16s ease-out;z-index:1040;
}
.back-top.show{opacity:1;visibility:visible;transform:none;}
.back-top:hover{background:var(--primary-light);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{max-width:990px;}
  .nav-search input{width:170px;}
}
@media (max-width:991px){
  .container{max-width:960px;padding:0 22px;}
  .nav-links,.nav-search{display:none;}
  .nav-toggle{display:flex;}
  .nav-inner{height:56px;}
  .hero{padding:40px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;min-height:0;}
  .hero-index{position:static;width:100%;margin-top:20px;left:auto;bottom:auto;}
  .hero-visual img{aspect-ratio:16/10;}
  .section{padding:64px 0;}
  .value-grid,.proof-grid,.plan-grid{grid-template-columns:1fr;gap:32px;}
  .bento{grid-template-columns:repeat(2,1fr);gap:20px;}
  .bento-focus{grid-column:span 2;grid-row:span 1;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .bento{grid-template-columns:1fr;}
  .bento-focus{grid-column:span 1;}
  .post-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .stat-row{gap:24px;}
}
@media (max-width:575px){
  body{font-size:16px;}
  .section{padding:48px 0;}
  h1{font-size:2rem;}
  .hero{padding:28px 0 48px;}
  .btn{width:100%;}
  .hero-actions,.cta-actions{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .nav-cta{display:none;}
}

/* roulang page: article */
*,*::before,*::after{box-sizing:border-box}
:root{
  --brand:#0C4F4A;
  --brand-dark:#073531;
  --brand-light:#15786F;
  --brand-tint:#EAF2F0;
  --accent:#DE7B2B;
  --accent-dark:#B85F16;
  --accent-tint:#FBEBDC;
  --ink:#1E2523;
  --muted:#59635F;
  --line:#E3E0D8;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --nav-bg:#FBF9F5;
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:18px;
  --shadow:0 1px 2px rgba(7,53,49,.05), 0 10px 30px -12px rgba(7,53,49,.16);
  --shadow-hover:0 18px 44px -16px rgba(7,53,49,.26);
  --serif:Georgia,"Times New Roman",serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --bs-primary:#0C4F4A;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#1E2523;
  --bs-border-color:#E3E0D8;
  --bs-link-color:#0C4F4A;
  --bs-link-hover-color:#15786F;
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .16s ease-out,text-underline-offset .16s ease-out}
a:hover{color:var(--brand-light);text-decoration:underline;text-underline-offset:3px}
button{font-family:inherit}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media (max-width:1399px){.container{max-width:1140px}}
@media (max-width:1199px){.container{max-width:960px}}
@media (max-width:991px){.container{max-width:100%}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;line-height:1.2;
  padding:12px 22px;border:1px solid transparent;cursor:pointer;
  transition:background-color .16s ease-out,border-color .16s ease-out,color .16s ease-out,transform .16s ease-out,box-shadow .16s ease-out;
  text-decoration:none;
}
.btn:active{transform:none}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-1px);text-decoration:none}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand-tint);color:var(--brand-dark);transform:translateY(-1px);text-decoration:none}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.35);color:#F7F5F0}
.btn-ghost:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.6);color:#fff;transform:translateY(-1px);text-decoration:none}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}

/* ---------- 徽章 ---------- */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;line-height:1;
  padding:6px 13px;border-radius:999px;
  border:1px solid rgba(12,79,74,.35);
  background:var(--brand-tint);
  color:var(--brand);
}
.badge-accent{border-color:rgba(222,123,43,.4);background:var(--accent-tint);color:var(--accent-dark)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--nav-bg);border-bottom:1px solid var(--line)}
.site-nav{padding:0;background:transparent}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px}
.nav-left{display:flex;align-items:center;gap:34px;min-width:0}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand-mark{
  width:32px;height:32px;border-radius:9px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-family:var(--serif);font-size:17px;font-weight:700;
}
.brand-name{font-size:17px;font-weight:800;color:var(--brand);letter-spacing:.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:26px;list-style:none;padding:0}
.nav-links a{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:600;color:var(--ink)}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .16s ease-out;
}
.nav-links a:hover{color:var(--brand);text-decoration:none}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-search input{
  width:210px;height:40px;padding:0 14px;font-size:14px;color:var(--ink);
  border:1px solid #D8D5CC;border-radius:var(--radius-sm);background:#fff;
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.nav-search input::placeholder{color:#9AA29E}
.nav-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(12,79,74,.12)}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;position:relative;padding:0}
.nav-toggle span{position:absolute;left:11px;right:11px;height:2px;background:var(--brand);border-radius:2px;transition:background-color .2s}
.nav-toggle span:nth-child(1){top:13px}
.nav-toggle span:nth-child(2){top:19px}
.nav-toggle span:nth-child(3){top:25px}
.site-offcanvas{width:min(88vw,360px);background:var(--nav-bg)}
.site-offcanvas .offcanvas-header{border-bottom:1px solid var(--line);padding:16px 20px}
.site-offcanvas .brand-name{font-size:16px}
.site-offcanvas .btn-close{opacity:.55}
.mobile-nav-links{list-style:none;padding:0;margin:0}
.mobile-nav-links li a{
  display:flex;align-items:center;height:48px;font-size:16px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-nav-links li a:hover{color:var(--brand);text-decoration:none}
.mobile-cate{padding:18px 0 0;font-size:13px;color:var(--muted);letter-spacing:.06em}
.mobile-nav-cta{margin-top:20px}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:8px 0 0}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:#B7BDB9}
.crumbs .current{color:var(--brand);font-weight:600}

/* ---------- 文章头部 ---------- */
.article-hero{padding:32px 0 0}
.article-head{max-width:880px}
.article-title{
  font-size:clamp(2rem,4.4vw,3.25rem);
  line-height:1.15;font-weight:800;letter-spacing:-.01em;
  margin:18px 0 18px;
  color:var(--ink);
}
.meta-bar{
  display:flex;flex-wrap:wrap;gap:10px 24px;
  font-size:14px;color:var(--muted);
  padding-bottom:26px;border-bottom:1px solid var(--line);
}
.meta-bar b{font-weight:600;color:var(--ink)}
.article-cover{
  margin:32px 0 0;border-radius:var(--radius-lg);overflow:hidden;
  aspect-ratio:21/9;background:var(--brand-tint);border:1px solid var(--line);
}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* ---------- 双栏布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);
  gap:56px;padding:56px 0 88px;align-items:start;
}

/* ---------- 正文 ---------- */
.article-body{max-width:760px;font-size:17px;line-height:1.85}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  position:relative;
  font-size:clamp(1.5rem,2.6vw,2.125rem);
  line-height:1.28;font-weight:750;color:var(--ink);
  margin:2.4em 0 .7em;padding-left:18px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:1.25rem;line-height:1.45;font-weight:700;margin:1.9em 0 .6em}
.article-body h4{font-size:1.0625rem;line-height:1.5;font-weight:600;margin:1.6em 0 .5em}
.article-body h2+p,.article-body h3+p,.article-body h4+p{margin-top:0}
.article-body a{color:var(--brand-light);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-dark)}
.article-body ul{list-style:none;padding-left:0;margin:0 0 1.2em}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.5em}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:1px;background:var(--brand);
}
.article-body ol{padding-left:22px;margin:0 0 1.2em}
.article-body ol li{margin-bottom:.5em}
.article-body blockquote{
  margin:1.8em 0;padding:16px 22px;
  border-left:3px solid var(--brand);background:var(--brand-tint);
  border-radius:0 12px 12px 0;color:#26403C;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:1.6em 0;width:100%;height:auto}
.article-body figure{margin:1.8em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:-.6em}
.article-body table{
  width:100%;display:block;overflow-x:auto;border-collapse:collapse;
  margin:1.6em 0;font-size:15.5px;
}
.article-body thead th{
  position:sticky;top:0;z-index:1;
  background:var(--brand-tint);color:var(--brand);
  text-align:left;font-weight:700;
}
.article-body th,.article-body td{
  padding:14px 16px;border-bottom:1px solid var(--line);white-space:nowrap;vertical-align:top;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.92em;background:#F1EFE9;border-radius:6px;padding:2px 6px;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}

/* ---------- 空状态 ---------- */
.empty-state{
  border:1px dashed #C9CFC9;background:var(--brand-tint);border-radius:var(--radius);
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:36px 24px;
}
.empty-state .empty-icon{
  width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;font-family:var(--serif);font-size:20px;color:var(--brand);
}
.empty-state p{margin:0;color:var(--muted);font-size:15.5px}

/* ---------- 侧栏 ---------- */
.article-aside{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.side-card h3{
  font-size:15px;font-weight:700;color:var(--ink);margin:0 0 14px;
  padding-bottom:12px;border-bottom:1px solid var(--line);letter-spacing:.02em;
}
.side-card h3 span{font-family:var(--serif);color:var(--accent);margin-right:8px}
.side-list{list-style:none;padding:0;margin:0}
.side-list li+li{margin-top:2px}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 0;font-size:15px;font-weight:600;color:var(--ink);
  border-bottom:1px dashed var(--line);
}
.side-list li:last-child a{border-bottom:0}
.side-list a:hover{color:var(--brand);text-decoration:none}
.side-list a .arrow{color:var(--accent);font-family:var(--serif);font-size:15px}
.side-note{background:var(--brand-tint);border:1px solid rgba(12,79,74,.16);border-radius:var(--radius);padding:20px}
.side-note p{margin:0 0 10px;font-size:14.5px;line-height:1.75;color:#33484A}
.side-note p:last-child{margin-bottom:0}
.side-note .k{font-weight:700;color:var(--brand)}
.info-rows{list-style:none;padding:0;margin:0;font-size:14.5px}
.info-rows li{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px dashed var(--line)}
.info-rows li:last-child{border-bottom:0}
.info-rows .label{color:var(--muted)}
.info-rows .value{color:var(--ink);font-weight:600;text-align:right}

/* ---------- 文末 ---------- */
.article-foot{margin-top:56px;padding-top:28px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag-row .tag-title{font-size:13px;color:var(--muted);margin-right:4px}
.pager-row{display:flex;justify-content:space-between;gap:20px;margin-top:26px}
.pager-item{
  flex:1 1 0;display:flex;flex-direction:column;gap:6px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;transition:transform .16s ease-out,border-color .16s ease-out,box-shadow .16s ease-out;
}
.pager-item:hover{transform:translateY(-4px);border-color:rgba(12,79,74,.25);box-shadow:var(--shadow-hover);text-decoration:none}
.pager-item .pager-label{font-size:13px;color:var(--muted)}
.pager-item .pager-text{font-size:16px;font-weight:700;color:var(--ink)}
.pager-item:hover .pager-text{color:var(--brand)}
.pager-item.align-end{text-align:right;align-items:flex-end}

/* ---------- 相关推荐 ---------- */
.related-sec{padding:0 0 88px}
.sec-head{margin-bottom:32px}
.sec-head .sec-no{
  font-family:var(--serif);font-size:14px;letter-spacing:.16em;color:var(--accent);display:block;margin-bottom:10px;
}
.sec-head h2{font-size:clamp(1.5rem,2.6vw,2.125rem);line-height:1.28;font-weight:750;margin:0;color:var(--ink)}
.sec-head p{margin:12px 0 0;font-size:15.5px;color:var(--muted);max-width:680px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .16s ease-out,border-color .16s ease-out,box-shadow .16s ease-out;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(12,79,74,.25);box-shadow:var(--shadow-hover);text-decoration:none}
.post-card .thumb{aspect-ratio:16/9;background:var(--brand-tint);overflow:hidden}
.post-card .thumb img{width:100%;height:100%;object-fit:cover}
.post-card .card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto}
.post-card h3{
  font-size:18px;line-height:1.5;font-weight:700;color:var(--ink);margin:12px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover h3{color:var(--brand)}
.post-card p{
  font-size:14.5px;line-height:1.75;color:var(--muted);margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .card-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--muted);
}
.post-card .card-meta .arrow{font-family:var(--serif);color:var(--accent)}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--brand-dark);color:#F7F5F0;padding:72px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-copy{max-width:640px}
.cta-copy h2{font-size:clamp(1.5rem,2.6vw,2.125rem);line-height:1.28;font-weight:750;color:#fff;margin:0 0 12px}
.cta-copy p{margin:0;color:rgba(247,245,240,.78);font-size:16px}
.cta-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-dark);color:rgba(247,245,240,.75);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:24fr 20fr 20fr 36fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-name{display:block;color:#fff;font-size:19px;font-weight:800;margin-bottom:14px}
.footer-brand p{margin:0;font-size:14.5px;line-height:1.8;color:rgba(247,245,240,.72);max-width:320px}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin:0 0 16px}
.site-footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;font-size:14.5px}
.site-footer a{color:rgba(247,245,240,.75)}
.site-footer a:hover{color:var(--accent);text-decoration:none}
.footer-contact li{color:rgba(247,245,240,.7)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0;font-size:13px;color:rgba(247,245,240,.6);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--brand);color:#fff;border:0;display:grid;place-items:center;
  font-size:17px;cursor:pointer;z-index:1040;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s;
  box-shadow:var(--shadow);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--brand-light)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{gap:40px}
}
@media (max-width:991px){
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-toggle{display:block}
  .nav-inner{height:56px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:44px;padding:44px 0 64px}
  .article-aside{position:static}
  .article-cover{aspect-ratio:16/9}
  .cta-band{padding:64px 0}
  .site-footer{padding-top:64px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16.5px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .pager-row{flex-direction:column}
  .pager-item.align-end{text-align:left;align-items:flex-start}
  .article-hero{padding-top:24px}
  .article-body h2{padding-left:14px}
  .footer-grid{padding-bottom:36px}
}
@media (max-width:575px){
  .container{padding:0 20px}
  .article-title{font-size:2rem}
  .btn{width:100%}
  .cta-actions{width:100%}
  .nav-cta{display:none}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .to-top{right:16px;bottom:16px}
}

/* roulang page: category1 */
:root{
  --brand:#0C4F4A;
  --brand-dark:#073531;
  --brand-light:#15786F;
  --brand-soft:#EAF2F0;
  --accent:#DE7B2B;
  --accent-dark:#B85F16;
  --accent-soft:#FBEBDC;
  --ink:#1E2523;
  --ink-2:#59635F;
  --line:#E3E0D8;
  --page:#F7F5F0;
  --card:#FFFFFF;
  --input-line:#D8D5CC;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:18px;
  --shadow-card:0 1px 2px rgba(7,53,49,.05), 0 10px 30px -12px rgba(7,53,49,.16);
  --shadow-hover:0 18px 44px -16px rgba(7,53,49,.26);
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --serif:Georgia,"Times New Roman","Songti SC",serif;
  --bs-primary:#0C4F4A;
  --bs-primary-rgb:12,79,74;
  --bs-body-color:#1E2523;
  --bs-border-color:#E3E0D8;
  --bs-link-color:#0C4F4A;
  --bs-link-hover-color:#15786F;
  --bs-body-font-family:var(--sans);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding:0;
  background:var(--page);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .16s ease-out;}
a:hover{color:var(--brand-light);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:.01em;}
h1{font-size:clamp(2rem,4.4vw,3.25rem);line-height:1.15;font-weight:800;}
h2{font-size:clamp(1.5rem,2.6vw,2.125rem);line-height:1.28;font-weight:750;}
h3{font-size:1.25rem;line-height:1.45;font-weight:700;}
h4{font-size:1.0625rem;line-height:1.5;font-weight:600;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}

.container{
  width:100%;
  max-width:1140px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1400px){.container{max-width:1280px;}}
@media (max-width:1199.98px){.container{max-width:960px;}}
@media (max-width:991.98px){.container{max-width:100%;}}

.num{font-family:var(--serif);font-weight:700;letter-spacing:.02em;}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  padding:13px 22px;
  transition:transform .16s ease-out,background-color .16s ease-out,color .16s ease-out,border-color .16s ease-out;
  cursor:pointer;
  text-decoration:none;
}
.btn-primary{
  background:var(--accent);
  border-color:var(--accent);
  color:#fff;
}
.btn-primary:hover{
  background:var(--accent-dark);
  border-color:var(--accent-dark);
  color:#fff;
  transform:translateY(-1px);
  text-decoration:none;
}
.btn-primary:active{transform:none;background:var(--accent-dark);}
.btn-ghost{
  background:transparent;
  border-color:var(--brand);
  color:var(--brand);
}
.btn-ghost:hover{
  background:var(--brand-soft);
  color:var(--brand);
  transform:translateY(-1px);
  text-decoration:none;
}
.btn-ghost:active{transform:none;}
.btn-soft{
  background:var(--brand);
  border-color:var(--brand);
  color:#fff;
}
.btn-soft:hover{background:var(--brand-light);border-color:var(--brand-light);color:#fff;transform:translateY(-1px);text-decoration:none;}
.btn-sm{padding:9px 16px;font-size:14px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#FDFCFA;
  border-bottom:1px solid var(--line);
}
.site-nav{padding:0;}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:64px;
}
.nav-left{display:flex;align-items:center;gap:32px;flex:1 1 auto;min-width:0;}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-dark);
  color:#fff;
  border-radius:9px;
  font-family:var(--serif);
  font-size:18px;
  font-weight:700;
}
.brand-name{
  font-size:17.5px;
  font-weight:800;
  color:var(--brand-dark);
  white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  padding:4px 0;
  text-decoration:none;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-6px;
  height:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .16s ease-out;
}
.nav-links a:hover{color:var(--brand);text-decoration:none;}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--brand);}
.nav-links a.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:14px;justify-content:flex-end;}
.nav-search input{
  width:210px;
  height:40px;
  padding:0 14px;
  border:1px solid var(--input-line);
  border-radius:var(--radius-btn);
  background:#fff;
  font-size:14px;
  color:var(--ink);
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.nav-search input::placeholder{color:#8C948F;}
.nav-search input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 2px rgba(12,79,74,.12);
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-dark);border-radius:2px;}

/* ---------- offcanvas 移动导航 ---------- */
.offcanvas.offcanvas-end{width:min(88vw,360px);}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.offcanvas-title{font-size:16px;font-weight:800;color:var(--brand-dark);}
.offcanvas-body{padding:16px 20px 28px;}
.mobile-nav-links li{border-bottom:1px solid var(--line);}
.mobile-nav-links a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;
  font-size:15.5px;
  font-weight:600;
  color:var(--ink);
  text-decoration:none;
}
.mobile-nav-links a.active{color:var(--brand);}
.mobile-search{margin:18px 0 14px;}
.mobile-search input{
  width:100%;height:46px;padding:0 14px;
  border:1px solid var(--input-line);border-radius:var(--radius-btn);
  font-size:15px;background:#fff;
}
.mobile-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(12,79,74,.12);}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding:22px 0 0;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin:0;padding:0;background:transparent;
  font-size:13px;color:var(--ink-2);
}
.breadcrumb .sep{color:#A9AFAB;}
.breadcrumb a{color:var(--ink-2);text-decoration:none;}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .current{color:var(--brand);font-weight:600;}

/* ---------- 引导区 ---------- */
.guide-top{padding:40px 0 88px;}
.guide-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.badge-line{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border:1px solid rgba(12,79,74,.22);
  background:var(--brand-soft);
  color:var(--brand);
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
  margin-bottom:20px;
}
.badge-line .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.guide-top h1{margin-bottom:20px;}
.guide-sub{
  font-size:17px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:620px;
  margin-bottom:20px;
}
.guide-text{max-width:640px;}
.guide-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.guide-points{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;}
.guide-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);font-weight:600;}
.guide-points .tick{
  width:18px;height:18px;flex:0 0 18px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;
}
.guide-figure{
  position:relative;
  border-radius:var(--radius-img);
  overflow:hidden;
  min-height:340px;
  background:var(--brand-soft);
  box-shadow:var(--shadow-card);
}
.guide-figure img{
  width:100%;height:100%;min-height:340px;
  object-fit:cover;
  border-radius:var(--radius-img);
}
.figure-tag{
  position:absolute;left:18px;bottom:18px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  padding:7px 16px;
  font-size:12.5px;
  font-weight:700;
  color:var(--brand-dark);
  box-shadow:0 6px 18px -10px rgba(7,53,49,.4);
}

/* ---------- 区块通用 ---------- */
.section{padding:88px 0;border-top:1px solid var(--line);}
.section.alt{background:#FDFCFA;}
.section-head{margin-bottom:44px;max-width:760px;}
.section-no{
  display:block;
  font-family:var(--serif);
  font-size:13px;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--accent);
  margin-bottom:12px;
}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--ink-2);font-size:16px;margin:0;}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--card);
  box-shadow:var(--shadow-card);
  padding:32px 28px;
}
.stat-item{border-left:1px solid var(--line);padding-left:22px;}
.stat-item:first-child{border-left:none;padding-left:0;}
.stat-value{font-family:var(--serif);font-size:2rem;font-weight:700;color:var(--brand-dark);line-height:1.1;}
.stat-label{display:block;margin-top:8px;font-size:14px;color:var(--ink-2);}

/* ---------- 2 列内容块 ---------- */
.block-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.content-block{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:32px 30px;
  box-shadow:var(--shadow-card);
  transition:transform .16s ease-out,border-color .16s ease-out,box-shadow .16s ease-out;
}
.content-block:hover{
  transform:translateY(-4px);
  border-color:rgba(12,79,74,.25);
  box-shadow:var(--shadow-hover);
}
.content-block:hover h3{color:var(--brand);}
.block-index{
  font-family:var(--serif);
  font-size:13px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--accent);
  display:block;
  margin-bottom:12px;
}
.content-block h3{margin-bottom:14px;transition:color .16s ease-out;}
.content-block p{font-size:15.5px;color:var(--ink-2);line-height:1.85;}
.block-link{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:20px;
  font-size:14.5px;font-weight:700;color:var(--brand);
}
.block-link:hover{color:var(--brand-light);text-decoration:underline;text-underline-offset:3px;}
.block-link .arrow{transition:transform .16s ease-out;}
.block-link:hover .arrow{transform:translateX(3px);}

/* ---------- 图文交替小模块 ---------- */
.prep-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.prep-media{
  border-radius:var(--radius-img);
  overflow:hidden;
  background:var(--brand-soft);
  box-shadow:var(--shadow-card);
  aspect-ratio:4/3;
}
.prep-media img{width:100%;height:100%;object-fit:cover;}
.prep-list li{
  display:flex;gap:16px;
  padding:18px 0;
  border-bottom:1px solid var(--line);
}
.prep-list li:last-child{border-bottom:none;}
.prep-list .idx{
  font-family:var(--serif);
  font-size:15px;font-weight:700;color:var(--accent);
  flex:0 0 34px;
  padding-top:3px;
}
.prep-list strong{display:block;font-size:16px;font-weight:700;color:var(--ink);margin-bottom:4px;}
.prep-list span.txt{display:block;font-size:14.5px;color:var(--ink-2);line-height:1.75;}

/* ---------- 相关条目编号列表 ---------- */
.entry-list{border-top:1px solid var(--line);}
.entry-row{
  display:grid;
  grid-template-columns:70px 1fr 200px 28px;
  align-items:center;
  gap:20px;
  padding:22px 8px;
  border-bottom:1px solid var(--line);
  transition:background-color .16s ease-out;
}
.entry-row:hover{background:#FDFCFA;text-decoration:none;}
.entry-row:hover .entry-title{color:var(--brand);}
.entry-no{
  font-family:var(--serif);
  font-size:15px;font-weight:700;color:var(--brand-light);
}
.entry-title{font-size:16.5px;font-weight:700;color:var(--ink);transition:color .16s ease-out;}
.entry-desc{font-size:14px;color:var(--ink-2);line-height:1.6;}
.entry-arrow{color:var(--brand);font-size:18px;text-align:right;transition:transform .16s ease-out;}
.entry-row:hover .entry-arrow{transform:translateX(4px);}

/* ---------- 提示条 ---------- */
.note{
  display:flex;gap:14px;
  margin-top:28px;
  padding:20px 24px;
  background:var(--brand-soft);
  border-left:4px solid var(--brand);
  border-radius:10px;
  font-size:15px;
  color:var(--ink-2);
}
.note strong{color:var(--brand-dark);}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-dark);
  color:#F7F5F0;
  padding:88px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.cta-inner h2{color:#FDFCFA;margin-bottom:12px;}
.cta-inner p{color:rgba(247,245,240,.78);font-size:16px;max-width:620px;margin:0;}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.cta-link{
  color:#F7F5F0;
  font-size:15px;
  font-weight:600;
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-color:rgba(247,245,240,.4);
}
.cta-link:hover{color:var(--accent);text-decoration-color:var(--accent);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-dark);
  color:rgba(247,245,240,.82);
  padding:72px 0 0;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:24fr 20fr 20fr 36fr;
  gap:36px;
  padding-bottom:48px;
}
.site-footer h4{
  color:#FDFCFA;
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
}
.site-footer p{color:rgba(247,245,240,.72);font-size:14.5px;line-height:1.8;margin:0;}
.footer-brand .brand-name{color:#FDFCFA;font-size:17px;}
.site-footer ul li{margin-bottom:10px;}
.site-footer a{color:rgba(247,245,240,.82);font-size:14.5px;text-decoration:none;}
.site-footer a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{color:rgba(247,245,240,.72);line-height:1.75;margin-bottom:10px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  font-size:13px;
  color:rgba(247,245,240,.6);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:22px;bottom:22px;
  width:44px;height:44px;
  border:none;border-radius:50%;
  background:var(--brand);
  color:#fff;
  font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 28px -12px rgba(7,53,49,.6);
  opacity:0;visibility:hidden;
  transform:translateY(8px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s;
  z-index:1040;
  cursor:pointer;
}
.to-top.show{opacity:1;visibility:visible;transform:none;}
.to-top:hover{background:var(--brand-light);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-search input{width:170px;}
  .nav-links{gap:20px;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .nav-left{gap:16px;}
  .guide-grid{grid-template-columns:1fr;gap:32px;}
  .guide-top{padding:28px 0 64px;}
  .guide-text{max-width:none;}
  .section{padding:64px 0;}
  .block-grid{grid-template-columns:1fr;}
  .prep-grid{grid-template-columns:1fr;gap:32px;}
  .entry-row{grid-template-columns:56px 1fr 24px;}
  .entry-desc{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .guide-figure,.guide-figure img{min-height:240px;}
  .stat-strip{grid-template-columns:1fr;gap:0;padding:8px 24px;}
  .stat-item{border-left:none;border-top:1px solid var(--line);padding:18px 0;}
  .stat-item:first-child{border-top:none;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:575.98px){
  h1{font-size:2rem;}
  .section{padding:48px 0;}
  .cta-band{padding:56px 0;}
  .guide-actions .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .content-block{padding:26px 22px;}
  .brand-name{font-size:15.5px;white-space:normal;line-height:1.3;}
  .entry-title{font-size:15.5px;}
}

/* roulang page: category2 */
:root{
  --brand:#0C4F4A;
  --brand-dark:#073531;
  --brand-light:#15786F;
  --brand-soft:#EAF2F0;
  --accent:#DE7B2B;
  --accent-dark:#B85F16;
  --accent-soft:#FBEBDC;
  --ink:#1E2523;
  --ink-2:#59635F;
  --line:#E3E0D8;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-badge:999px;
  --r-img:18px;
  --sh-card:0 1px 2px rgba(7,53,49,.05), 0 10px 30px -12px rgba(7,53,49,.16);
  --sh-hover:0 18px 44px -16px rgba(7,53,49,.26);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-serif:Georgia,"Times New Roman","Songti SC",serif;
  --bs-primary:#0C4F4A;
  --bs-primary-rgb:12,79,74;
  --bs-body-color:#1E2523;
  --bs-border-color:#E3E0D8;
  --bs-link-color:#15786F;
  --bs-link-hover-color:#0C4F4A;
  --bs-body-font-family:var(--font-sans);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-light);text-decoration:none;text-underline-offset:3px;transition:color .16s ease-out;}
a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{width:100%;max-width:1140px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container{max-width:1280px;}}
@media (min-width:1200px) and (max-width:1399px){.container{max-width:1140px;}}
@media (min-width:992px) and (max-width:1199px){.container{max-width:960px;}}
@media (max-width:576px){.container{padding:0 20px;}}

h1,h2,h3,h4{color:var(--ink);margin:0;letter-spacing:.2px;}
h1{font-size:clamp(2rem,4.4vw,3.25rem);line-height:1.15;font-weight:800;}
h2{font-size:clamp(1.5rem,2.6vw,2.125rem);line-height:1.28;font-weight:750;}
h3{font-size:1.25rem;line-height:1.45;font-weight:700;}
h4{font-size:1.0625rem;line-height:1.5;font-weight:600;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;
  padding:12px 22px;text-decoration:none;cursor:pointer;
  transition:transform .16s ease-out, background-color .16s ease-out, color .16s ease-out, border-color .16s ease-out, box-shadow .16s ease-out;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 1px 2px rgba(7,53,49,.06);}
.btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:none;background:var(--accent-dark);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-1px);}
.btn-ghost:active{transform:none;}
.btn-light-outline{background:transparent;border-color:rgba(234,242,240,.6);color:#EAF2F0;}
.btn-light-outline:hover{background:rgba(234,242,240,.12);color:#fff;border-color:#EAF2F0;}
.btn-sm{padding:9px 16px;font-size:14px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.site-nav{padding:0;background:transparent;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:64px;}
.nav-left{display:flex;align-items:center;gap:34px;min-width:0;}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:32px;height:32px;border-radius:8px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-family:var(--font-serif);font-size:18px;font-weight:700;flex:0 0 32px;
}
.brand-name{font-size:17px;font-weight:800;color:var(--brand-dark);letter-spacing:.2px;white-space:nowrap;}
.nav-links{display:flex;align-items:center;list-style:none;margin:0;padding:0;gap:28px;}
.nav-links a{position:relative;display:inline-block;font-size:15px;color:var(--ink);padding:6px 0;text-decoration:none;}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .16s ease-out;}
.nav-links a:hover{color:var(--brand);text-decoration:none;}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--brand);font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-search input[type="search"]{
  width:196px;height:38px;border:1px solid var(--line);border-radius:var(--r-input);
  background:#fff;color:var(--ink);font-size:14px;padding:0 12px;
}
.nav-search input[type="search"]::placeholder{color:#9AA39F;}
.nav-search input[type="search"]:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(12,79,74,.12);}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;
  padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--brand);border-radius:2px;}
@media (max-width:991px){
  .nav-links,.nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{min-height:56px;}
  .brand-name{font-size:16px;}
}
.mobile-nav{width:min(88vw,360px);background:var(--bg);}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:16px 20px;}
.mobile-nav .offcanvas-body{padding:12px 0 24px;}
.mobile-links{list-style:none;margin:0;padding:0;}
.mobile-links a{
  display:flex;align-items:center;height:48px;padding:0 20px;font-size:15px;color:var(--ink);text-decoration:none;
  border-bottom:1px solid var(--line);
}
.mobile-links a.active{color:var(--brand);font-weight:600;background:var(--brand-soft);}
.mobile-nav-action{padding:20px;}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{background:var(--bg);border-bottom:1px solid var(--line);}
.breadcrumb-inner{padding:14px 0 8px;}
.breadcrumb-list{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;font-size:13px;color:var(--ink-2);}
.breadcrumb-list li{display:flex;align-items:center;gap:8px;}
.breadcrumb-list li+li::before{content:"›";color:#B3B8B4;}
.breadcrumb-list a{color:var(--ink-2);text-decoration:none;}
.breadcrumb-list a:hover{color:var(--brand);}
.breadcrumb-list .current{color:var(--brand);font-weight:600;}

/* ---------- 页面窄横幅 ---------- */
.page-banner{
  position:relative;overflow:hidden;
  background:var(--brand-soft);
  border-bottom:1px solid var(--line);
  padding:44px 0 48px;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(12,79,74,.06) 0 1px,transparent 1px 96px),
                   repeating-linear-gradient(0deg,rgba(12,79,74,.06) 0 1px,transparent 1px 72px);
  opacity:.9;pointer-events:none;
}
.page-banner::after{
  content:"";position:absolute;right:-60px;top:-40px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(222,123,43,.14),transparent 68%);pointer-events:none;
}
.banner-inner{position:relative;z-index:1;display:grid;grid-template-columns:96px 1fr;gap:28px;align-items:start;}
.banner-index{
  font-family:var(--font-serif);font-size:44px;font-weight:700;line-height:1;
  color:var(--accent);letter-spacing:.02em;padding-top:6px;
}
.banner-text h1{max-width:820px;margin-bottom:16px;}
.banner-text .banner-sub{
  max-width:720px;font-size:17px;line-height:1.85;color:var(--ink-2);margin-bottom:20px;
}
.banner-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:var(--ink-2);margin-bottom:24px;
}
.banner-meta span{display:inline-flex;align-items:center;gap:6px;}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (max-width:768px){
  .page-banner{padding:36px 0 40px;}
  .banner-inner{grid-template-columns:1fr;gap:14px;}
  .banner-index{font-size:32px;padding-top:0;}
}

/* ---------- 徽章 ---------- */
.badge-soft{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:var(--r-badge);
  border:1px solid rgba(12,79,74,.22);
  background:#fff;color:var(--brand);
  font-size:12.5px;font-weight:600;letter-spacing:.04em;margin-bottom:14px;
}
.badge-accent{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:var(--r-badge);
  border:1px solid rgba(222,123,43,.32);
  background:var(--accent-soft);color:var(--accent-dark);
  font-size:12.5px;font-weight:600;
}

/* ---------- 区块 ---------- */
.section{padding:88px 0;}
.section--white{background:#fff;}
.section--line{border-top:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-index{
  display:block;font-family:var(--font-serif);font-size:13.5px;font-weight:700;
  letter-spacing:.18em;color:var(--accent);margin-bottom:12px;
}
.section-head h2{margin-bottom:14px;}
.section-head p{font-size:16.5px;line-height:1.85;color:var(--ink-2);}
@media (max-width:992px){.section{padding:64px 0;}}
@media (max-width:576px){.section{padding:48px 0;}.section-head{margin-bottom:32px;}}

/* ---------- 图文交替 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split+.split{margin-top:88px;}
.split-copy h2{margin-bottom:18px;}
.split-copy h2 .h2-mark{
  display:block;width:44px;height:4px;border-radius:2px;background:var(--brand);margin-bottom:18px;
}
.split-copy p{font-size:17px;line-height:1.85;color:var(--ink-2);}
.split-copy .split-note{
  margin-top:22px;padding:16px 18px;border-left:3px solid var(--brand);
  background:var(--brand-soft);border-radius:0 10px 10px 0;
  font-size:14.5px;line-height:1.75;color:var(--brand-dark);
}
.split-media{position:relative;}
.split-media .media-frame{
  aspect-ratio:4/3;border-radius:var(--r-img);overflow:hidden;
  background:var(--brand-soft);box-shadow:var(--sh-card);
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-media .media-tag{
  position:absolute;left:16px;bottom:16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-badge);
  padding:6px 14px;font-size:12.5px;font-weight:600;color:var(--brand);box-shadow:var(--sh-card);
}
@media (max-width:992px){
  .split{grid-template-columns:1fr;gap:32px;}
  .split+.split{margin-top:64px;}
}
@media (max-width:768px){
  .split.reverse .split-media{order:2;}
}

/* ---------- 提示信息条 ---------- */
.notice-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  border:1px solid var(--line);border-left:4px solid var(--accent);
  background:#fff;border-radius:10px;padding:18px 22px;
  font-size:15px;color:var(--ink-2);box-shadow:var(--sh-card);
  margin:0 0 0;
}
.notice-bar strong{color:var(--ink);font-weight:700;}

/* ---------- 编号清单 ---------- */
.checklist{list-style:none;margin:0;padding:0;border-top:1px solid var(--line);}
.checklist li{
  display:grid;grid-template-columns:72px 1fr;gap:20px;
  padding:26px 8px;border-bottom:1px solid var(--line);
  transition:background-color .16s ease-out;
}
.checklist li:hover{background:#fff;}
.checklist .num{
  font-family:var(--font-serif);font-size:22px;font-weight:700;color:var(--accent);line-height:1.3;
}
.checklist h3{font-size:17.5px;margin-bottom:6px;}
.checklist p{font-size:15.5px;line-height:1.8;color:var(--ink-2);margin:0;}
@media (max-width:576px){
  .checklist li{grid-template-columns:52px 1fr;gap:12px;padding:20px 4px;}
  .checklist .num{font-size:18px;}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;}
.faq-accordion{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;box-shadow:var(--sh-card);}
.faq-accordion .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;}
.faq-accordion .accordion-item:last-child{border-bottom:0;}
.faq-accordion .accordion-button{
  font-size:17px;font-weight:600;color:var(--ink);background:transparent;
  padding:20px 22px;box-shadow:none;border:0;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--brand);background:var(--brand-soft);}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--accent);outline-offset:-2px;}
.faq-accordion .accordion-button::after{
  content:"›";background-image:none;font-family:var(--font-serif);
  font-size:24px;line-height:1;color:var(--accent);
  width:24px;height:24px;display:flex;align-items:center;justify-content:center;
  transform:rotate(0deg);transition:transform .2s ease-out;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(90deg);}
.faq-accordion .accordion-body{
  padding:4px 22px 22px;font-size:15.5px;line-height:1.8;color:var(--ink-2);
}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--brand-dark);color:#EAF2F0;padding:76px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;}
.cta-inner h2{color:#fff;margin-bottom:12px;}
.cta-inner p{color:rgba(234,242,240,.8);font-size:16.5px;margin:0;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}
@media (max-width:900px){
  .cta-band{padding:56px 0;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;}
  .cta-actions{width:100%;}
}
@media (max-width:576px){
  .cta-actions .btn{width:100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-dark);color:#EAF2F0;padding:72px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:2.4fr 2fr 2fr 3.6fr;gap:32px;padding-bottom:48px;
}
.footer-brand .brand-name{color:#fff;font-size:17px;font-weight:800;display:inline-block;margin-bottom:14px;}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(234,242,240,.75);max-width:320px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.site-footer ul{list-style:none;margin:0;padding:0;}
.site-footer li{margin-bottom:12px;font-size:14.5px;color:rgba(234,242,240,.78);}
.site-footer a{color:rgba(234,242,240,.82);text-decoration:none;font-size:14.5px;}
.site-footer a:hover{color:var(--accent);text-decoration:underline;}
.footer-contact li{line-height:1.7;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(234,242,240,.66);
}
@media (max-width:992px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .site-footer{padding:56px 0 0;}
}
@media (max-width:576px){
  .footer-grid{grid-template-columns:1fr;}
}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:50%;
  background:var(--brand);color:#fff;border:0;display:grid;place-items:center;
  font-size:18px;cursor:pointer;box-shadow:var(--sh-card);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease-out, transform .2s ease-out, background-color .16s ease-out;
  z-index:1040;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{background:var(--brand-light);}