/* roulang page: index */
/* ==================== 设计变量 ==================== */
:root{
  --brand:#0B5B45;
  --brand-2:#14876A;
  --brand-soft:#E8F3EE;
  --accent:#C8F24A;
  --cta:#FF6A2B;
  --dark:#08150F;
  --dark-2:#0C1F18;
  --bg:#FFFFFF;
  --bg-soft:#F5F8F5;
  --card:#FFFFFF;
  --border:#E3EAE4;
  --line:#EDF2EE;
  --text:#12211B;
  --text-2:#4A5A53;
  --text-3:#7C8A83;
  --inv:#EAF3EE;
  --ok:#1E9E6A;
  --r-card:14px;
  --r-btn:10px;
  --r-img:16px;
  --sh-1:0 1px 2px rgba(8,21,15,.04), 0 12px 28px -12px rgba(8,21,15,.10);
  --sh-2:0 2px 8px rgba(8,21,15,.06), 0 22px 40px -16px rgba(8,21,15,.20);
  --wrap:1200px;
  --pad:32px;
}

/* ==================== 基础重置 ==================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  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-2);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:2px;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.dark-zone :focus-visible{outline-color:var(--accent);}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ==================== 容器与栅格 ==================== */
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--pad);}
.section{padding:72px 0;}
.section.tight{padding:56px 0;}
.section.soft{background:var(--bg-soft);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.sec-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-2);letter-spacing:.02em;margin-bottom:10px;}
.sec-head .eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--accent);}
.sec-title{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.25;letter-spacing:-.3px;color:var(--text);}
.sec-sub{margin-top:12px;font-size:15px;color:var(--text-2);max-width:660px;line-height:1.8;}

/* ==================== 按钮 ==================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(11,91,69,.9);}
.btn-primary:hover{background:var(--cta);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:0 16px 28px -14px rgba(255,106,43,.85);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:rgba(11,91,69,.08);color:var(--brand);text-decoration:none;transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--dark);}
.btn-light:hover{background:var(--accent);color:var(--dark);text-decoration:none;transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-cta{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);}
.link-cta i{transition:transform .2s ease;}
.link-cta:hover{text-decoration:none;color:var(--cta);}
.link-cta:hover i{transform:translateX(4px);}

/* ==================== 顶部导航 ==================== */
.site-header{
  position:sticky;top:0;z-index:120;background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px -18px rgba(8,21,15,.45);}
.header-inner{height:64px;display:flex;align-items:center;gap:20px;}
.logo{display:inline-flex;align-items:center;gap:9px;font-size:18px;font-weight:800;color:var(--brand);letter-spacing:-.2px;}
.logo:hover{text-decoration:none;color:var(--brand);}
.logo-mark{
  width:32px;height:32px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);color:var(--accent);font-size:15px;flex:0 0 auto;
}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px;}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;height:64px;padding:0 14px;
  font-size:14px;font-weight:500;color:var(--text-2);
}
.main-nav a:hover{background:#F1F6F2;color:var(--brand);text-decoration:none;}
.main-nav a.active{color:var(--brand);font-weight:700;}
.main-nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;background:var(--brand);
}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 12px;min-width:210px;
  border:1px solid var(--border);border-radius:10px;background:#F8FBF9;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(11,91,69,.10);}
.search-box i{color:var(--text-3);font-size:14px;}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:14px;height:100%;}
.search-box input::placeholder{color:var(--text-3);}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;color:var(--brand);font-size:18px;align-items:center;justify-content:center;}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:200;visibility:hidden;opacity:0;transition:opacity .22s ease,visibility .22s ease;
}
.mobile-drawer.open{visibility:visible;opacity:1;}
.drawer-mask{position:absolute;inset:0;background:rgba(8,21,15,.45);}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(320px,86vw);height:100%;background:#fff;
  padding:20px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(100%);transition:transform .26s ease;overflow-y:auto;
}
.mobile-drawer.open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-close{width:36px;height:36px;border-radius:10px;background:var(--bg-soft);color:var(--brand);font-size:16px;}
.drawer-panel a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 12px;border-radius:10px;font-size:15px;font-weight:600;color:var(--text);
}
.drawer-panel a.drawer-link:hover,.drawer-panel a.drawer-link.active{background:var(--brand-soft);color:var(--brand);text-decoration:none;}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;border:1px solid var(--border);border-radius:10px;background:#F8FBF9;margin-bottom:8px;}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;}

/* ==================== Hero ==================== */
.hero{position:relative;overflow:hidden;padding:64px 0 76px;background:linear-gradient(180deg,#F6FBF7 0%,#FFFFFF 78%);}
.hero-texture{
  position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(112deg,rgba(11,91,69,.075) 0 1px,transparent 1px 15px);
  opacity:.85;
}
.hero-arc{
  position:absolute;right:-180px;top:-140px;width:620px;height:620px;border-radius:50%;
  border:1px dashed rgba(11,91,69,.14);pointer-events:none;
}
.hero-arc.arc-2{right:-60px;top:-40px;width:420px;height:420px;border-style:solid;border-color:rgba(200,242,74,.55);opacity:.5;}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);}
.hero h1{
  font-size:clamp(30px,4.2vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.5px;color:var(--text);
}
.hero h1 em{font-style:normal;color:var(--brand);background:linear-gradient(180deg,transparent 62%,rgba(200,242,74,.72) 62%);padding:0 2px;}
.hero-lead{margin-top:20px;font-size:17px;line-height:1.85;color:var(--text-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.trust-row{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:32px;padding-top:26px;border-top:1px dashed var(--border);}
.trust-item{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--text-2);}
.trust-item i{color:var(--brand-2);font-size:15px;}
.hero-media{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--border);box-shadow:var(--sh-1);background:#fff;}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-badge{
  position:absolute;right:14px;bottom:14px;display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.96);border:1px solid var(--border);border-radius:12px;padding:10px 14px;box-shadow:var(--sh-1);
}
.hero-badge .fig{font-size:20px;font-weight:800;color:var(--brand);line-height:1;}
.hero-badge .cap{font-size:12px;color:var(--text-2);line-height:1.4;}

/* ==================== 数据条 ==================== */
.stat-strip{background:var(--dark);color:var(--inv);padding:36px 0;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-cell{padding-right:16px;border-right:1px solid rgba(234,243,238,.14);}
.stat-cell:last-child{border-right:0;}
.stat-cell .v{font-size:26px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-cell .v span{font-size:14px;font-weight:600;color:var(--accent);margin-left:4px;}
.stat-cell .k{margin-top:6px;font-size:13px;color:rgba(234,243,238,.72);}

/* ==================== 三步上手 ==================== */
.step-wrap{position:relative;}
.step-track{
  position:absolute;left:6%;right:6%;top:96px;height:2px;
  background-image:repeating-linear-gradient(90deg,var(--border) 0 8px,transparent 8px 16px);
}
.step-grid{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.step-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(11,91,69,.28);}
.step-card:nth-child(1){margin-top:24px;}
.step-card:nth-child(2){margin-top:64px;}
.step-card:nth-child(3){margin-top:8px;}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:12px;
  background:rgba(200,242,74,.42);color:var(--brand);font-size:18px;font-weight:800;font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step-card h3{font-size:17px;font-weight:700;margin-bottom:10px;}
.step-card p{font-size:14px;line-height:1.8;color:var(--text-2);}
.step-card .step-link{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.step-card .step-link i{transition:transform .2s ease;}
.step-card .step-link:hover{text-decoration:none;color:var(--cta);}
.step-card .step-link:hover i{transform:translateX(4px);}
.step-foot{margin-top:28px;display:flex;align-items:center;gap:12px;font-size:14px;color:var(--text-2);}
.step-foot .chip{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;}

/* ==================== 平台能力 ==================== */
.cap-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;}
.cap-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);padding:26px;
  box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;
}
.cap-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.cap-card.feature{grid-row:span 2;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(160deg,#0B5B45 0%,#0C1F18 100%);border-color:#0C1F18;color:var(--inv);}
.cap-card.feature h3{color:#fff;}
.cap-card.feature p{color:rgba(234,243,238,.78);}
.cap-icon{
  width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-size:17px;margin-bottom:16px;
}
.cap-card.feature .cap-icon{background:rgba(200,242,74,.18);color:var(--accent);}
.cap-card h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.cap-card p{font-size:14.5px;line-height:1.8;color:var(--text-2);}
.cap-media{margin-top:22px;border-radius:12px;overflow:hidden;border:1px solid rgba(234,243,238,.16);}
.cap-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.cap-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.cap-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(234,243,238,.82);}
.cap-list li i{color:var(--accent);margin-top:5px;font-size:12px;}

/* ==================== 案例证明 ==================== */
.case-item{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;padding:32px 0;border-bottom:1px solid var(--line);}
.case-item:last-child{border-bottom:0;padding-bottom:0;}
.case-item.reverse .case-media{order:2;}
.case-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--border);box-shadow:var(--sh-1);}
.case-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.case-tag{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;background:rgba(200,242,74,.42);color:#123A2D;font-size:13px;font-weight:600;margin-bottom:14px;}
.case-body h3{font-size:20px;font-weight:800;line-height:1.4;margin-bottom:12px;}
.case-body p{font-size:15px;line-height:1.85;color:var(--text-2);}
.case-figures{display:flex;flex-wrap:wrap;gap:26px;margin-top:22px;padding-top:20px;border-top:1px dashed var(--border);}
.case-fig{display:flex;align-items:center;gap:10px;}
.case-fig .bar{width:4px;height:30px;border-radius:3px;background:var(--accent);}
.case-fig .fnum{font-size:19px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.1;}
.case-fig .fcap{font-size:12.5px;color:var(--text-3);line-height:1.3;margin-top:3px;}

/* ==================== 常见异议 FAQ ==================== */
.faq-wrap{display:grid;grid-template-columns:290px 1fr;gap:52px;align-items:start;}
.faq-side{position:sticky;top:92px;}
.faq-side .sec-title{margin-bottom:14px;}
.faq-side p{font-size:14.5px;color:var(--text-2);line-height:1.85;margin-bottom:20px;}
.faq-side .side-card{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--r-card);padding:18px;}
.faq-side .side-card strong{display:block;font-size:14px;color:var(--text);margin-bottom:6px;}
.faq-side .side-card span{font-size:13px;color:var(--text-2);}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(11,91,69,.35);box-shadow:var(--sh-1);}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 20px;font-size:16px;font-weight:600;color:var(--text);transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#F7FAF8;color:var(--brand);}
.faq-item summary .ind{flex:0 0 auto;width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;color:var(--brand-2);transition:transform .2s ease;font-size:13px;}
.faq-item[open] summary .ind{transform:rotate(180deg);}
.faq-item[open] summary::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;background:var(--brand);}
.faq-body{padding:0 20px 20px 20px;font-size:15px;line-height:1.85;color:var(--text-2);animation:faqIn .2s ease;}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:translateY(0);}}

/* ==================== 最新信息 ==================== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(11,91,69,.24);text-decoration:none;}
.news-thumb{position:relative;overflow:hidden;background:#EDF2EE;}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-badge{align-self:flex-start;display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600;}
.news-title{
  font-size:17px;font-weight:700;line-height:1.5;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.news-card:hover .news-title{color:var(--brand);}
.news-desc{
  font-size:14px;line-height:1.75;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;display:flex;align-items:center;gap:8px;}
.news-meta i{color:var(--text-3);}
.empty-state{
  grid-column:1 / -1;text-align:center;padding:56px 24px;background:var(--card);
  border:1px dashed var(--border);border-radius:var(--r-card);
}
.empty-state .ic{width:56px;height:56px;margin:0 auto 16px;border-radius:16px;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;color:var(--text-3);font-size:20px;}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:18px;}

/* ==================== 立即开通 ==================== */
.open-zone{background:var(--dark);color:var(--inv);position:relative;overflow:hidden;padding:76px 0;}
.open-zone .tex{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:repeating-linear-gradient(115deg,rgba(200,242,74,.07) 0 1px,transparent 1px 18px);
}
.open-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:start;}
.open-zone h2{font-size:clamp(24px,3vw,32px);font-weight:800;color:#fff;line-height:1.3;}
.open-zone .open-lead{margin-top:16px;font-size:15px;color:rgba(234,243,238,.78);line-height:1.85;max-width:520px;}
.open-points{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.open-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(234,243,238,.86);}
.open-points li i{color:var(--accent);margin-top:6px;font-size:12px;}
.open-form{margin-top:28px;display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:600;color:rgba(234,243,238,.86);}
.field input,.field select,.field textarea{
  height:44px;border-radius:10px;border:1px solid rgba(234,243,238,.20);
  background:rgba(255,255,255,.05);color:#fff;padding:0 14px;font-size:14.5px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;width:100%;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:rgba(234,243,238,.40);}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,rgba(234,243,238,.7) 50%),linear-gradient(135deg,rgba(234,243,238,.7) 50%,transparent 50%);background-position:calc(100% - 18px) 19px,calc(100% - 13px) 19px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.field select option{color:#12211B;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand-2);box-shadow:0 0 0 2px rgba(20,135,106,.55);background:rgba(255,255,255,.08);}
.field .err{font-size:13px;color:#FF8A5C;display:none;}
.field.invalid .err{display:block;}
.field.invalid input,.field.invalid select{border-color:#FF6A2B;}
.form-foot{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:4px;}
.form-note{font-size:13px;color:rgba(234,243,238,.60);}
.form-success{
  grid-column:1 / -1;display:none;align-items:center;gap:10px;padding:14px 16px;border-radius:10px;
  background:rgba(30,158,106,.16);border:1px solid rgba(30,158,106,.5);color:#B7F2D6;font-size:14px;
}
.form-success.show{display:flex;}
.contact-card{
  background:var(--dark-2);border:1px solid rgba(234,243,238,.12);border-radius:var(--r-card);padding:26px;
}
.contact-card h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:18px;}
.contact-row{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid rgba(234,243,238,.10);}
.contact-row:last-of-type{border-bottom:0;}
.contact-row .ic{flex:0 0 auto;width:36px;height:36px;border-radius:10px;background:rgba(200,242,74,.14);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:14px;}
.contact-row .tx strong{display:block;font-size:14px;color:#fff;font-weight:600;font-variant-numeric:tabular-nums;}
.contact-row .tx span{font-size:13px;color:rgba(234,243,238,.62);}
.contact-tip{margin-top:18px;padding:14px;border-radius:10px;background:rgba(255,255,255,.05);font-size:13px;color:rgba(234,243,238,.72);line-height:1.7;}

/* ==================== 页脚 ==================== */
.site-footer{background:var(--dark);color:var(--inv);padding:64px 0 0;border-top:1px solid rgba(234,243,238,.08);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand .logo{color:#fff;}
.footer-brand .logo:hover{color:var(--accent);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(234,243,238,.66);max-width:340px;}
.footer-keys{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;}
.footer-keys span{display:inline-flex;height:26px;align-items:center;padding:0 12px;border-radius:999px;background:rgba(234,243,238,.08);font-size:12.5px;color:rgba(234,243,238,.78);}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:rgba(234,243,238,.72);}
.footer-col a:hover{color:var(--accent);text-decoration:none;}
.footer-contact li{font-size:14px;color:rgba(234,243,238,.72);line-height:1.8;}
.footer-bottom{
  border-top:1px solid rgba(234,243,238,.10);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;font-size:13px;color:rgba(234,243,238,.55);
}
.footer-bottom a{color:rgba(234,243,238,.72);}
.footer-bottom a:hover{color:var(--accent);text-decoration:none;}

/* ==================== 响应式 ==================== */
@media (max-width:1100px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media img{aspect-ratio:16/9;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .faq-side{position:static;}
  .open-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:1023px){
  :root{--pad:24px;}
  .main-nav{display:none;}
  .search-box{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-right .btn.header-cta{height:38px;padding:0 16px;font-size:14px;}
  .section{padding:56px 0;}
  .step-track{display:none;}
  .step-grid{grid-template-columns:1fr;gap:16px;}
  .step-card,.step-card:nth-child(1),.step-card:nth-child(2),.step-card:nth-child(3){margin-top:0;}
  .cap-grid{grid-template-columns:1fr;}
  .cap-card.feature{grid-row:auto;}
  .case-item{grid-template-columns:1fr;gap:24px;}
  .case-item.reverse .case-media{order:0;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .stat-cell{border-right:0;padding-bottom:12px;border-bottom:1px solid rgba(234,243,238,.12);}
  .stat-cell:nth-last-child(-n+2){border-bottom:0;}
}
@media (max-width:640px){
  :root{--pad:20px;}
  body{font-size:15.5px;}
  .header-inner{height:56px;gap:12px;}
  .logo{font-size:16px;}
  .logo-mark{width:28px;height:28px;border-radius:8px;font-size:13px;}
  .header-right .btn.header-cta{height:36px;padding:0 14px;font-size:13.5px;}
  .hero{padding:40px 0 52px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;height:48px;}
  .hero-badge{right:10px;bottom:10px;padding:8px 12px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:24px;}
  .section{padding:44px 0;}
  .news-grid{grid-template-columns:1fr;}
  .step-grid{gap:14px;}
  .open-form{grid-template-columns:1fr;}
  .form-foot .btn{width:100%;height:48px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .case-figures{gap:18px;}
  .trust-row{gap:10px 18px;}
}

/* roulang page: article */
:root{
  --brand:#0B5B45;
  --brand-2:#14876A;
  --accent:#C8F24A;
  --cta:#FF6A2B;
  --dark:#08150F;
  --dark-2:#0C1F18;
  --bg-soft:#F5F8F5;
  --card:#FFFFFF;
  --border:#E3EAE4;
  --line:#EDF2EE;
  --text:#12211B;
  --text-2:#4A5A53;
  --text-3:#7C8A83;
  --on-dark:#EAF3EE;
  --r-card:14px;
  --r-ctl:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(8,21,15,.04), 0 12px 28px -12px rgba(8,21,15,.10);
  --shadow-2:0 2px 4px rgba(8,21,15,.06), 0 22px 40px -16px rgba(8,21,15,.18);
  --header-h:64px;
  --font: "PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:#fff;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--brand-2);text-decoration:none;transition:color .18s ease,background-color .18s ease;}
a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:2px;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 32px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px -12px rgba(8,21,15,.28);}
.header-inner{
  display:flex;align-items:center;gap:18px;
  height:64px;
}
.logo{
  display:inline-flex;align-items:center;gap:9px;
  font-size:18px;font-weight:800;color:var(--brand);
  white-space:nowrap;
}
.logo:hover{text-decoration:none;color:var(--brand-2);}
.logo-mark{
  width:28px;height:28px;border-radius:9px;flex:0 0 28px;
  background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
}
.main-nav{
  display:flex;align-items:center;gap:4px;margin-left:8px;
}
.main-nav a{
  position:relative;display:inline-block;
  padding:8px 12px;border-radius:8px;
  font-size:14px;font-weight:500;color:var(--text-2);
}
.main-nav a:hover{background:#F1F6F2;color:var(--brand);text-decoration:none;}
.main-nav a.active{color:var(--brand);font-weight:700;}
.main-nav a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 12px;border:1px solid var(--border);border-radius:var(--r-ctl);
  background:var(--bg-soft);color:var(--text-3);
}
.search-box i{font-size:14px;}
.search-box input{
  border:0;background:transparent;outline:none;width:186px;font-size:14px;
}
.search-box:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(11,91,69,.10);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-ctl);
  font-size:15px;font-weight:700;transition:all .18s ease;white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--cta);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ghost{border:1px solid var(--brand);color:var(--brand);background:transparent;}
.btn-ghost:hover{background:rgba(11,91,69,.08);text-decoration:none;color:var(--brand);}
.btn-accent{background:var(--accent);color:#0A1A12;}
.btn-accent:hover{background:#dcff6e;color:#0A1A12;text-decoration:none;transform:translateY(-1px);}
.link-cta{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--brand);}
.link-cta i{transition:transform .18s ease;font-size:12px;}
.link-cta:hover{text-decoration:none;color:var(--cta);}
.link-cta:hover i{transform:translateX(3px);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-ctl);
  align-items:center;justify-content:center;color:var(--brand);font-size:17px;
  border:1px solid var(--border);
}

/* ---------- breadcrumb ---------- */
.crumb-wrap{background:var(--bg-soft);border-bottom:1px solid var(--line);}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:14px 0;font-size:13px;color:var(--text-3);
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C3CFC7;}
.crumb .now{color:var(--text-2);font-weight:600;}

/* ---------- article head ---------- */
.article-head{padding:34px 0 26px;border-bottom:1px solid var(--line);}
.article-head h1{
  font-size:clamp(26px,3.6vw,40px);
  font-weight:800;line-height:1.24;color:var(--text);max-width:900px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;
  margin-top:16px;font-size:13px;color:var(--text-3);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;
  background:rgba(11,91,69,.10);color:var(--brand);
}
.badge-accent{background:rgba(200,242,74,.42);color:#2A3A10;}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#CBD6CF;}

/* ---------- layout ---------- */
.article-main{padding:40px 0 8px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:36px;}
@media(min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,780px) 300px;justify-content:center;gap:48px;}
}
.reading{min-width:0;}

/* ---------- prose ---------- */
.prose{font-size:17.5px;line-height:1.9;color:#1B2C25;}
.prose > * + *{margin-top:18px;}
.prose p{margin:0;color:#25362E;}
.prose h2{
  margin-top:36px;font-size:clamp(21px,2.4vw,26px);font-weight:800;color:var(--text);
  padding-left:14px;border-left:4px solid var(--brand);line-height:1.35;
}
.prose h3{margin-top:26px;font-size:20px;font-weight:700;color:var(--text);}
.prose h4{margin-top:20px;font-size:17px;font-weight:700;color:var(--text-2);}
.prose ul,.prose ol{padding-left:22px;}
.prose ul{list-style:disc;}
.prose ol{list-style:decimal;}
.prose li{margin-top:8px;color:#25362E;}
.prose li::marker{color:var(--brand);font-weight:700;}
.prose blockquote{
  margin:22px 0;padding:14px 20px;border-left:3px solid var(--brand);
  background:var(--bg-soft);border-radius:0 12px 12px 0;color:var(--text-2);
}
.prose blockquote p{margin:0;color:var(--text-2);}
.prose img{border-radius:12px;margin:22px 0 8px;width:100%;height:auto;}
.prose figure{margin:22px 0;}
.prose figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px;}
.prose table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;
  border:1px solid var(--border);border-radius:12px;overflow:hidden;
}
.prose th{background:var(--bg-soft);font-weight:700;text-align:left;}
.prose th,.prose td{padding:11px 14px;border-bottom:1px solid var(--line);}
.prose tr:last-child td{border-bottom:0;}
.prose .table-scroll{overflow-x:auto;}
.prose a{color:var(--brand);font-weight:600;text-decoration:none;border-bottom:1px solid rgba(11,91,69,.28);}
.prose a:hover{color:var(--cta);border-bottom-color:var(--cta);text-decoration:none;}
.prose strong{font-weight:800;color:var(--text);}
.prose code{background:var(--bg-soft);border:1px solid var(--border);border-radius:6px;padding:2px 6px;font-size:14px;}

/* ---------- empty ---------- */
.empty-state{
  text-align:center;padding:56px 24px;border:1px dashed var(--border);
  border-radius:var(--r-card);background:var(--bg-soft);
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:16px;margin:0 auto 16px;
  background:#fff;border:1px solid var(--border);color:var(--brand-2);
  display:flex;align-items:center;justify-content:center;font-size:22px;
}
.empty-state h3{font-size:19px;margin-bottom:8px;}
.empty-state p{color:var(--text-2);font-size:15px;margin:0 0 20px;}

/* ---------- tags ---------- */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:36px;padding-top:22px;border-top:1px solid var(--line);
}
.tag-row .label{font-size:13px;color:var(--text-3);font-weight:600;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:var(--r-pill);
  background:var(--bg-soft);border:1px solid var(--border);
  font-size:13px;color:var(--text-2);
}
.tag:hover{border-color:var(--brand);color:var(--brand);text-decoration:none;background:#fff;}

/* ---------- prev next ---------- */
.pn-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:30px;}
@media(min-width:640px){.pn-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
.pn-card{
  display:block;padding:16px 18px;border:1px solid var(--border);border-radius:var(--r-card);
  background:#fff;transition:all .2s ease;
}
.pn-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-1);border-color:#D5E1D9;text-decoration:none;}
.pn-card span{display:block;font-size:12px;color:var(--text-3);margin-bottom:6px;font-weight:600;}
.pn-card strong{font-size:15px;color:var(--text);font-weight:700;}
.pn-card:hover strong{color:var(--brand);}

/* ---------- related ---------- */
.related{padding:52px 0 8px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;}
.sec-head h2{font-size:clamp(20px,2.4vw,26px);font-weight:800;}
.sec-head p{margin:6px 0 0;font-size:14px;color:var(--text-2);}
.card-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-card);overflow:hidden;transition:all .22s ease;height:100%;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);text-decoration:none;}
.card-thumb{position:relative;aspect-ratio:16/10;background:var(--bg-soft);overflow:hidden;}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-thumb img{transform:scale(1.04);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17px;font-weight:700;color:var(--text);line-height:1.45;}
.card:hover .card-body h3{color:var(--brand);}
.card-body p{margin:0;font-size:14px;color:var(--text-2);line-height:1.75;}
.card-meta{margin-top:auto;font-size:13px;color:var(--text-3);border-top:1px solid var(--line);padding-top:12px;}

/* ---------- sidebar ---------- */
.side{display:flex;flex-direction:column;gap:18px;}
@media(min-width:1200px){.side{position:sticky;top:88px;align-self:start;}}
.side-card{border:1px solid var(--border);border-radius:var(--r-card);background:#fff;padding:18px;box-shadow:var(--shadow-1);}
.side-card h3{font-size:14px;font-weight:800;color:var(--text);margin-bottom:12px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--brand-2);}
.toc-list{counter-reset:toc;}
.toc-list li{counter-increment:toc;margin-bottom:8px;}
.toc-list a{
  display:flex;gap:8px;font-size:13.5px;color:var(--text-2);line-height:1.6;
}
.toc-list a::before{
  content:counter(toc,decimal-leading-zero);color:var(--brand-2);font-weight:700;font-size:12px;flex:0 0 auto;
}
.toc-list a:hover{color:var(--brand);text-decoration:none;}
.toc-list li.lv3{padding-left:18px;}
.toc-list li.lv3 a{font-size:13px;color:var(--text-3);}
.toc-list li.lv3 a::before{opacity:.6;}
.side-links li + li{margin-top:8px;}
.side-links a{font-size:14px;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 10px;border-radius:8px;color:var(--text-2);}
.side-links a:hover{background:#F1F6F2;color:var(--brand);text-decoration:none;}
.side-links a i{font-size:11px;color:var(--text-3);}
.side-contact p{margin:0 0 6px;font-size:13.5px;color:var(--text-2);}
.side-contact .num{font-weight:800;color:var(--brand);font-size:17px;}

/* ---------- cta band ---------- */
.cta-band{background:var(--dark);color:var(--on-dark);margin-top:56px;padding:56px 0;}
.cta-band .cta-inner{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;}
@media(min-width:900px){.cta-band .cta-inner{grid-template-columns:1.4fr 1fr;}}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);font-weight:800;color:#fff;}
.cta-band p{color:#B9CBC1;margin:12px 0 0;font-size:15px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-band .btn-ghost{border-color:#4C6559;color:#DCEBE2;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff;}
.cta-band :focus-visible{outline-color:var(--accent);}

/* ---------- back link ---------- */
.back-row{display:flex;justify-content:center;padding:34px 0 0;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--on-dark);margin-top:0;padding:56px 0 22px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media(min-width:768px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:28px;}}
.footer-brand .logo{color:#fff;font-size:17px;}
.footer-brand .logo:hover{color:var(--accent);}
.footer-brand p{color:#9FB4A9;font-size:14px;line-height:1.85;margin:14px 0 16px;max-width:340px;}
.footer-keys{display:flex;flex-wrap:wrap;gap:8px;}
.footer-keys span{
  font-size:12px;padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(200,242,74,.12);color:var(--accent);border:1px solid rgba(200,242,74,.22);
}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-col li{margin-bottom:10px;font-size:14px;color:#9FB4A9;}
.footer-col a{color:#CBD9D1;font-size:14px;}
.footer-col a:hover{color:var(--accent);text-decoration:none;}
.footer-contact .num{color:#fff;font-weight:700;}
.footer-bottom{
  margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  font-size:13px;color:#8AA095;
}
.footer-bottom a{color:#8AA095;}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- mobile nav ---------- */
@media(max-width:1023px){
  .header-inner{height:56px;gap:12px;}
  .nav-toggle{display:inline-flex;}
  .search-box{display:none;}
  .main-nav{
    position:fixed;left:0;right:0;top:56px;z-index:70;
    flex-direction:column;align-items:stretch;gap:2px;margin:0;
    background:#fff;padding:12px 20px 18px;
    border-bottom:1px solid var(--border);
    box-shadow:0 18px 30px -18px rgba(8,21,15,.28);
    transform:translateY(-140%);transition:transform .28s ease;
  }
  .main-nav.open{transform:translateY(0);}
  .main-nav a{padding:12px 10px;font-size:15px;}
  .main-nav a.active::after{left:10px;right:auto;width:26px;bottom:6px;}
  .logo{font-size:16px;}
  .logo span:last-child{max-width:150px;overflow:hidden;text-overflow:ellipsis;}
}
@media(max-width:639px){
  body{font-size:15.5px;}
  .reading{font-size:16.5px;}
  .article-head{padding:24px 0 20px;}
  .article-main{padding:28px 0 4px;}
  .cta-band{padding:40px 0;}
  .related{padding:40px 0 4px;}
  .btn{width:100%;height:48px;}
  .btn-sm{width:auto;height:40px;}
  .cta-actions{flex-direction:column;}
  .site-footer{padding:40px 0 20px;}
}

/* roulang page: category1 */
:root{
  --brand:#0B5B45;
  --brand-2:#14876A;
  --brand-soft:#E7F1EC;
  --accent:#C8F24A;
  --accent-soft:#F2FBD8;
  --cta:#FF6A2B;
  --cta-soft:#FFF1EA;
  --dark:#08150F;
  --dark-2:#0C1F18;
  --bg-light:#F5F8F5;
  --card:#FFFFFF;
  --line:#E3EAE4;
  --divider:#EDF2EE;
  --t1:#12211B;
  --t2:#4A5A53;
  --t3:#7C8A83;
  --success:#1E9E6A;
  --radius-lg:16px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(8,21,15,.04),0 12px 28px -12px rgba(8,21,15,.10);
  --shadow-2:0 2px 4px rgba(8,21,15,.06),0 20px 42px -18px rgba(8,21,15,.20);
  --section-y:72px;
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:#fff;color:var(--t1);font-family:var(--font);
  font-size:16px;line-height:1.85;font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--brand-2);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:2px}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:none;padding:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.num,.tl-num,.time{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;line-height:1;text-decoration:none;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .18s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn:hover{text-decoration:none}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -12px rgba(11,91,69,.75)}
.btn-primary:hover{background:var(--cta);color:#fff;transform:translateY(-2px);box-shadow:0 16px 28px -14px rgba(255,106,43,.65)}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-ghost:hover{background:rgba(11,91,69,.08);color:var(--brand);transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:#0A1A13;box-shadow:0 10px 24px -12px rgba(200,242,74,.8)}
.btn-accent:hover{background:#fff;color:var(--dark);transform:translateY(-2px)}
.btn-outline-light{border-color:rgba(234,243,238,.45);color:#EAF3EE;background:transparent}
.btn-outline-light:hover{background:rgba(234,243,238,.12);color:#fff;transform:translateY(-2px)}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--brand-2)}
.text-link i{font-size:12px;transition:transform .2s ease}
.text-link:hover{color:var(--brand)}
.text-link:hover i{transform:translateX(2px)}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 30px -18px rgba(8,21,15,.45)}
.header-inner{display:flex;align-items:center;gap:24px;height:64px}
.logo{
  display:inline-flex;align-items:center;gap:9px;
  font-size:18px;font-weight:800;color:var(--brand);
  text-decoration:none;flex:none;
}
.logo:hover{color:var(--brand);text-decoration:none}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:9px;background:var(--brand);color:#fff;flex:none;
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.main-nav a{
  position:relative;display:inline-block;padding:8px 12px;border-radius:8px;
  font-size:14px;font-weight:500;color:var(--t2);text-decoration:none;
  transition:background .2s ease,color .2s ease;
}
.main-nav a:hover{background:#F1F6F2;color:var(--brand);text-decoration:none}
.main-nav a.active{color:var(--brand);font-weight:700}
.main-nav a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-1px;
  height:2px;border-radius:2px;background:var(--brand);
}
.header-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{position:relative;display:flex;align-items:center}
.search-box i{position:absolute;left:12px;font-size:13px;color:var(--t3);pointer-events:none}
.search-box input{
  width:224px;height:38px;padding:0 12px 0 34px;
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#F7FAF8;font-size:14px;color:var(--t1);outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-box input::placeholder{color:var(--t3)}
.search-box input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(11,91,69,.12)}
.nav-toggle{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;color:var(--brand);font-size:16px;
}
.nav-toggle:hover{background:#F1F6F2}

/* 移动端抽屉 */
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:340px;
  background:#fff;z-index:90;padding:22px 18px 32px;
  transform:translateX(100%);transition:transform .28s ease;
  box-shadow:-24px 0 48px -28px rgba(8,21,15,.5);overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0)}
.nav-drawer .drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:14px;margin-bottom:12px;border-bottom:1px solid var(--divider);
}
.nav-drawer .drawer-head span{font-size:15px;font-weight:800;color:var(--brand)}
.nav-drawer .drawer-head button{font-size:18px;color:var(--t2);width:34px;height:34px;border-radius:8px}
.nav-drawer .drawer-head button:hover{background:#F1F6F2}
.nav-drawer a{
  display:block;padding:13px 12px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--t1);text-decoration:none;
}
.nav-drawer a:hover{background:#F1F6F2;text-decoration:none}
.nav-drawer a.active{background:var(--brand-soft);color:var(--brand)}
.nav-drawer .drawer-cta{
  margin-top:18px;display:flex;justify-content:center;
  background:var(--brand);color:#fff;
}
.nav-drawer .drawer-cta:hover{background:var(--cta);color:#fff}
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,21,15,.45);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#F4F9F5 0%,#FFFFFF 100%);
}
.page-hero::before{
  content:"";position:absolute;right:-160px;top:-150px;width:520px;height:520px;
  border:2px dashed rgba(11,91,69,.10);border-radius:50%;pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;left:-120px;bottom:-180px;width:380px;height:380px;
  border:2px solid rgba(200,242,74,.22);border-radius:50%;pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.page-hero-grid{
  display:grid;grid-template-columns:1.12fr .88fr;gap:44px;
  align-items:center;padding:56px 0 60px;
}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--t3);margin-bottom:14px}
.crumb a{color:var(--t3)}
.crumb a:hover{color:var(--brand-2)}
.crumb .sep{color:#C7D3CB}
.crumb [aria-current]{color:var(--t2)}
h1{font-size:clamp(30px,4.2vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.5px;margin-bottom:16px}
.hero-sub{font-size:16px;color:var(--t2);max-width:620px;margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px}
.hero-points li{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--t2)}
.hero-points i{color:var(--brand-2);font-size:14px}
.hero-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  aspect-ratio:16/11;background:#EAF1EC;
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-badge{
  position:absolute;right:14px;bottom:14px;display:inline-flex;align-items:center;gap:7px;
  background:#fff;color:var(--brand);font-size:13px;font-weight:700;
  padding:7px 14px;border-radius:999px;box-shadow:var(--shadow-1);
}
.hero-badge::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 3px rgba(200,242,74,.35);
}

/* ============ 板块通用 ============ */
.section{padding:var(--section-y) 0}
.section.is-light{background:var(--bg-light)}
.section-head{max-width:760px;margin-bottom:36px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-2);
  background:var(--brand-soft);border-radius:999px;padding:4px 13px;margin-bottom:14px;
}
.eyebrow-dark{background:rgba(200,242,74,.14);color:var(--accent)}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.28;margin-bottom:12px}
.section-head p{color:var(--t2);font-size:16px}

/* ============ 准备清单卡片 ============ */
.prep-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.prep-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.prep-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D3E3D8}
.prep-ico{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-size:17px;margin-bottom:16px;
}
.prep-card:nth-child(even) .prep-ico{background:var(--accent-soft);color:#3F6B2E}
.prep-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.prep-card p{font-size:14px;color:var(--t2);line-height:1.8}

/* ============ 图文交替 ============ */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.feature-row + .feature-row{margin-top:64px}
.feature-media{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-1);aspect-ratio:4/3;background:#EAF1EC;
}
.feature-media img{width:100%;height:100%;object-fit:cover}
.feature-row.reverse .feature-media{order:1}
.feature-row.reverse .feature-text{order:2}
.feature-text h3{font-size:20px;font-weight:700;line-height:1.4;margin-bottom:12px}
.feature-text p{color:var(--t2);margin-bottom:18px}
.step-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
.check-list{display:grid;gap:10px}
.check-list li{position:relative;padding-left:28px;font-size:15px;color:var(--t2)}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:5px;width:18px;height:18px;
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:800;color:#fff;background:var(--brand-2);border-radius:50%;
}

/* ============ 表格 ============ */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.table-wrap table{width:100%;border-collapse:collapse;min-width:720px;margin:0}
.table-wrap thead th{
  background:#F1F6F2;color:var(--brand);font-size:14px;font-weight:700;
  text-align:left;padding:16px 22px;white-space:nowrap;border:none;
}
.table-wrap tbody td{
  padding:16px 22px;border-top:1px solid var(--divider);
  font-size:15px;color:var(--t2);vertical-align:middle;
}
.table-wrap tbody td:first-child{color:var(--t1);font-weight:700;white-space:nowrap}
.table-wrap tbody tr:hover{background:#FAFCFA}
.table-note{font-size:13px;color:var(--t3);margin-top:14px}

/* ============ 时间轴 ============ */
.timeline{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.timeline::before{
  content:"";position:absolute;left:26px;right:26px;top:26px;height:2px;
  background:linear-gradient(90deg,rgba(11,91,69,.18),rgba(200,242,74,.85),rgba(11,91,69,.18));
}
.tl-item{position:relative}
.tl-num{
  position:relative;z-index:1;width:52px;height:52px;border-radius:50%;
  background:#fff;border:2px solid var(--brand);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;margin-bottom:20px;
}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.timeline .tl-item:nth-child(2) .tl-card{margin-top:22px}
.tl-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.tl-card p{font-size:14px;color:var(--t2);line-height:1.8}
.tl-card .text-link{margin-top:14px;font-size:14px}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:start}
.faq-aside{position:sticky;top:88px}
.faq-aside h2{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.3;margin-bottom:12px}
.faq-aside p{font-size:15px;color:var(--t2)}
.accordion{display:block;border:none;background:transparent;margin:0}
.accordion-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-1);
  transition:box-shadow .2s ease,border-color .2s ease;
}
.accordion-item.is-active{border-color:#CFE3D7;box-shadow:var(--shadow-2)}
.accordion-item.is-active::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
}
.accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;min-height:56px;padding:14px 20px;text-align:left;
  font-size:16px;font-weight:700;color:var(--t1);background:#fff;
  border:none;transition:background .2s ease,color .2s ease;
}
.accordion-title::before{content:none;display:none}
.accordion-title:hover{background:#FAFCFA;color:var(--brand)}
.accordion-item.is-active .accordion-title{color:var(--brand)}
.acc-ico{font-size:13px;color:var(--t3);transition:transform .2s ease}
.accordion-item.is-active .acc-ico{transform:rotate(180deg);color:var(--brand-2)}
.accordion-content{
  display:none;padding:0 22px 20px 23px;background:#fff;
  font-size:15px;color:var(--t2);border:none;transition:opacity .2s ease;
}
.accordion-content p{line-height:1.85}

/* ============ CTA 区块 ============ */
.cta-section{
  position:relative;overflow:hidden;background:var(--dark);
  color:#EAF3EE;padding:64px 0;
}
.cta-section::before{
  content:"";position:absolute;right:-140px;top:-160px;width:460px;height:460px;
  border:2px solid rgba(200,242,74,.14);border-radius:50%;pointer-events:none;
}
.cta-section::after{
  content:"";position:absolute;left:-100px;bottom:-160px;width:320px;height:320px;
  border:2px dashed rgba(234,243,238,.10);border-radius:50%;pointer-events:none;
}
.cta-inner{
  position:relative;z-index:1;display:grid;grid-template-columns:1.3fr .7fr;
  gap:40px;align-items:center;
}
.cta-text h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.28;margin-bottom:14px;color:#fff}
.cta-text p{font-size:15px;color:#B9CDC2;max-width:640px}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-actions .btn{width:100%}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#CFE0D7;padding:56px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.25fr;gap:36px;
  padding-bottom:40px;
}
.footer-brand .logo{color:#fff;font-size:17px;margin-bottom:16px}
.footer-brand .logo-mark{background:var(--brand-2)}
.footer-brand p{font-size:14px;line-height:1.85;color:#9FB5A9;margin-bottom:18px}
.footer-keys{display:flex;flex-wrap:wrap;gap:8px}
.footer-keys span{
  font-size:12px;font-weight:600;color:#D6EDDF;
  background:rgba(200,242,74,.10);border:1px solid rgba(200,242,74,.22);
  border-radius:999px;padding:3px 11px;
}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#9FB5A9;text-decoration:none}
.footer-col a:hover{color:var(--accent);text-decoration:none}
.footer-contact li{font-size:14px;color:#9FB5A9;line-height:1.7}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;color:#8AA094;
}
.footer-bottom a{color:var(--accent)}
.footer-bottom a:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 24px}
  .header-inner{height:56px;gap:14px}
  .main-nav{display:none}
  .search-box{display:none}
  .nav-toggle{display:inline-flex}
  .page-hero-grid{grid-template-columns:1fr;gap:28px;padding:40px 0 44px}
  .hero-media{aspect-ratio:16/9}
  .prep-grid{grid-template-columns:repeat(2,1fr)}
  .feature-row{grid-template-columns:1fr;gap:24px}
  .feature-row.reverse .feature-media{order:0}
  .feature-row.reverse .feature-text{order:0}
  .timeline{grid-template-columns:1fr;gap:20px}
  .timeline::before{display:none}
  .timeline .tl-item:nth-child(2) .tl-card{margin-top:0}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-aside{position:static}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .section{--section-y:56px}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .section{--section-y:40px}
  .header-cta{padding:0 14px;font-size:13px}
  .prep-grid{grid-template-columns:1fr}
  .prep-card{padding:20px}
  h1{font-size:clamp(26px,7vw,32px)}
  .section-head h2{font-size:24px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .cta-section{padding:44px 0}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .accordion-title{font-size:15px;padding:12px 16px}
  .accordion-content{padding:0 16px 18px 19px}
}

/* roulang page: category2 */
:root{
  --brand:#0B5B45;
  --brand-2:#14876A;
  --accent:#C8F24A;
  --cta:#FF6A2B;
  --ink:#12211B;
  --ink-2:#4A5A53;
  --ink-3:#7C8A83;
  --bg:#FFFFFF;
  --bg-soft:#F5F8F5;
  --line:#E3EAE4;
  --line-2:#EDF2EE;
  --dark:#08150F;
  --dark-2:#0C1F18;
  --radius:14px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(8,21,15,.04), 0 12px 28px -12px rgba(8,21,15,.10);
  --shadow-2:0 2px 6px rgba(8,21,15,.06), 0 18px 40px -14px rgba(8,21,15,.18);
  --max:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:var(--brand-2);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:2px}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 32px}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .22s ease}
.site-header.is-scrolled{box-shadow:0 8px 24px -14px rgba(8,21,15,.28)}
.header-inner{display:flex;align-items:center;gap:26px;height:64px}
.logo{display:inline-flex;align-items:center;gap:9px;font-size:18px;font-weight:800;color:var(--brand);letter-spacing:-.2px;white-space:nowrap}
.logo:hover{color:var(--brand);text-decoration:none}
.logo-mark{width:28px;height:28px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px}
.main-nav a{position:relative;display:inline-block;padding:8px 12px;font-size:14px;font-weight:500;color:var(--ink-2);border-radius:8px;transition:background .18s ease,color .18s ease}
.main-nav a:hover{background:#F1F6F2;color:var(--brand);text-decoration:none}
.main-nav a.active{color:var(--brand);font-weight:700}
.main-nav a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--brand)}
.header-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{position:relative;display:flex;align-items:center}
.search-box i{position:absolute;left:12px;font-size:14px;color:var(--ink-3);pointer-events:none}
.search-box input{height:38px;width:220px;border:1px solid var(--line);border-radius:10px;background:var(--bg-soft);padding:0 12px 0 34px;font-size:14px;transition:border-color .18s,box-shadow .18s,background .18s}
.search-box input::placeholder{color:var(--ink-3)}
.search-box input:focus{outline:none;background:#fff;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(20,135,106,.14)}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--brand);cursor:pointer;align-items:center;justify-content:center}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--radius-sm);font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease;text-decoration:none;white-space:nowrap}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(11,91,69,.85)}
.btn-primary:hover{background:var(--cta);color:#fff;transform:translateY(-1px);box-shadow:0 16px 28px -14px rgba(255,106,43,.7)}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-ghost:hover{background:rgba(11,91,69,.08);color:var(--brand)}
.btn-accent{background:var(--accent);color:#12211B}
.btn-accent:hover{background:#D8FA6C;color:#12211B;transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-cta{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--brand-2)}
.link-cta i{transition:transform .18s ease}
.link-cta:hover{color:var(--brand);text-decoration:none}
.link-cta:hover i{transform:translateX(3px)}

/* ---------- 首屏 ---------- */
.page-hero{position:relative;overflow:hidden;padding:52px 0 60px;background:linear-gradient(180deg,#F7FBF8 0%,#FFFFFF 100%);border-bottom:1px solid var(--line-2)}
.page-hero::before{content:"";position:absolute;top:-140px;right:-90px;width:480px;height:480px;border-radius:50%;border:1px solid rgba(11,91,69,.07);box-shadow:0 0 0 56px rgba(200,242,74,.06),0 0 0 112px rgba(11,91,69,.03);pointer-events:none}
.page-hero::after{content:"";position:absolute;left:-10%;bottom:-40px;width:120%;height:2px;background:repeating-linear-gradient(90deg,rgba(11,91,69,.10) 0 10px,transparent 10px 26px);opacity:.7;pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
.breadcrumb{font-size:13px;color:var(--ink-3);margin-bottom:16px}
.breadcrumb a{color:var(--ink-3)}
.breadcrumb a:hover{color:var(--brand-2);text-decoration:none}
.breadcrumb .sep{margin:0 6px;color:#C3D0C9}
.breadcrumb .cur{color:var(--ink-2)}
h1{font-size:clamp(30px,4.2vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.5px;margin-bottom:16px}
.hero-lead{font-size:17px;color:var(--ink-2);max-width:540px;margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats b{font-size:22px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-stats span{font-size:13px;color:var(--ink-3)}
.hero-media{position:relative}
.hero-media img{width:100%;height:308px;object-fit:cover;border-radius:16px;border:1px solid var(--line);box-shadow:var(--shadow-1)}
.hero-badge{position:absolute;right:16px;bottom:-16px;display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-size:13px;font-weight:700;color:var(--brand);box-shadow:var(--shadow-1)}
.hero-badge i{color:var(--cta)}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0}
.section--soft{background:var(--bg-soft)}
.section-head{max-width:760px;margin-bottom:34px}
.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:700;color:var(--brand-2);background:rgba(20,135,106,.09);border-radius:999px;padding:5px 13px;margin-bottom:14px}
h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.25;letter-spacing:-.3px;margin-bottom:12px}
.section-head p{color:var(--ink-2);font-size:16px}

/* ---------- 特性卡（1 大 3 小） ---------- */
.feature-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:22px;align-items:stretch}
.feature-main{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease}
.feature-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.feature-main img{width:100%;height:172px;object-fit:cover;border-radius:12px;margin-bottom:20px}
.feature-main h3{font-size:20px;font-weight:700;margin-bottom:8px}
.feature-main p{color:var(--ink-2);font-size:15px;margin-bottom:16px}
.check-list{display:grid;gap:10px}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);line-height:1.7}
.check-list i{color:var(--brand-2);font-size:13px;margin-top:6px}
.mini-stack{display:grid;grid-template-rows:repeat(3,1fr);gap:18px}
.mini-card{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D3E3D9}
.mini-icon{width:42px;height:42px;border-radius:12px;background:rgba(11,91,69,.08);color:var(--brand);display:inline-flex;align-items:center;justify-content:center;font-size:17px;flex:0 0 auto}
.mini-card h3{font-size:17px;font-weight:700;margin-bottom:5px}
.mini-card p{font-size:14.5px;color:var(--ink-2);line-height:1.75}

/* ---------- 竖向时间轴 ---------- */
.timeline{max-width:900px}
.tl-item{position:relative;padding:0 0 26px 76px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:19px;top:44px;bottom:8px;width:2px;background:var(--line)}
.tl-item:last-child::before{display:none}
.tl-num{position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;background:#fff;border:2px solid var(--brand);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;z-index:1}
.tl-body{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease}
.tl-body:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.tl-body h3{font-size:18px;font-weight:700;margin-bottom:6px}
.tl-body p{font-size:15px;color:var(--ink-2)}

/* ---------- 对比表 ---------- */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-1)}
table.compare{width:100%;min-width:680px;border-collapse:collapse;font-size:15px}
table.compare th,table.compare td{padding:16px 22px;text-align:left;border-bottom:1px solid var(--line-2);vertical-align:top;line-height:1.75}
table.compare thead th{background:rgba(200,242,74,.30);color:#1B3A2B;font-weight:800;font-size:15px;white-space:nowrap}
table.compare tbody th{font-weight:600;color:var(--ink);background:#FAFCFA;width:26%}
table.compare tbody td{color:var(--ink-2)}
table.compare tbody tr:last-child th,table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody tr:hover td{background:#FBFDFB}

/* ---------- FAQ ---------- */
.faq-list{max-width:940px;display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease}
.faq-item.is-open{border-color:#CFE2D6;box-shadow:inset 3px 0 0 var(--brand),var(--shadow-1)}
.faq-q{width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 22px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;font-family:inherit;line-height:1.6}
.faq-q:hover{color:var(--brand-2)}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-q i{flex:0 0 auto;color:var(--ink-3);font-size:14px;transition:transform .2s ease,color .2s ease}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a-inner{padding:0 22px 20px;font-size:15px;color:var(--ink-2);line-height:1.85}

/* ---------- 深色联系区 ---------- */
.section--dark{background:var(--dark);color:#EAF3EE;position:relative;overflow:hidden}
.section--dark::before{content:"";position:absolute;top:-160px;right:8%;width:420px;height:420px;border-radius:50%;border:1px solid rgba(200,242,74,.10);pointer-events:none}
.section--dark h2{color:#fff}
.section--dark .section-head p{color:#A9C2B6}
.section--dark .eyebrow{background:rgba(200,242,74,.14);color:var(--accent)}
.contact-grid{position:relative;display:grid;grid-template-columns:1.3fr .7fr;gap:26px;align-items:start}
.form-card{background:var(--dark-2);border:1px solid rgba(234,243,238,.12);border-radius:var(--radius);padding:28px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:#B9CFC4;margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;height:44px;border-radius:10px;border:1px solid rgba(234,243,238,.18);background:rgba(255,255,255,.04);color:#EAF3EE;padding:0 14px;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}
.field textarea{height:98px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#7F978C}
.field select option{color:#12211B;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(200,242,74,.35);background:rgba(255,255,255,.06)}
.field .hint{font-size:13px;color:#8AA396;margin-top:6px}
.form-ok{display:none;margin-top:14px;padding:12px 16px;border-radius:10px;background:rgba(200,242,74,.14);border:1px solid rgba(200,242,74,.35);color:var(--accent);font-size:14px}
.contact-card{background:rgba(255,255,255,.05);border:1px solid rgba(234,243,238,.12);border-radius:var(--radius);padding:26px}
.contact-card h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:14px}
.contact-card li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed rgba(234,243,238,.14);font-size:14.5px;color:#C6DACC;line-height:1.7}
.contact-card li:last-child{border-bottom:0}
.contact-card i{color:var(--accent);font-size:14px;margin-top:5px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#B9CFC4;font-size:14px;padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.25fr;gap:40px;padding-bottom:36px}
.site-footer .logo{color:#fff;font-size:18px;font-weight:800}
.footer-brand p{color:#9FB8AC;line-height:1.8;margin:14px 0 16px;max-width:350px}
.footer-keys{display:flex;flex-wrap:wrap;gap:8px}
.footer-keys span{font-size:12px;padding:4px 11px;border-radius:999px;background:rgba(200,242,74,.13);color:var(--accent)}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:#B9CFC4}
.footer-col a:hover{color:var(--accent);text-decoration:none}
.footer-contact li{color:#9FB8AC;line-height:1.75}
.footer-bottom{border-top:1px solid rgba(234,243,238,.12);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:20px 0;font-size:13px;color:#8AA396}
.footer-bottom a{color:#B9CFC4}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-media img{height:250px}
  .hero-badge{bottom:-14px}
  .feature-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:60px 0}
}
@media (max-width:900px){
  .main-nav{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:2px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 32px -18px rgba(8,21,15,.3);padding:10px 20px 16px;margin-left:0}
  .main-nav.is-open{display:flex}
  .main-nav a{padding:12px 10px;font-size:15px}
  .main-nav a.active::after{display:none}
  .main-nav a:hover{background:#F1F6F2}
  .search-box{display:none}
  .nav-toggle{display:inline-flex}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .header-inner{height:56px;gap:14px}
  .section{padding:44px 0}
  .page-hero{padding:34px 0 42px}
  h1{font-size:clamp(26px,7vw,34px)}
  .hero-media img{height:210px}
  .hero-actions{display:grid;gap:12px}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:18px}
  .hero-stats b{font-size:19px}
  .feature-main,.form-card,.contact-card{padding:20px}
  .mini-card{padding:18px}
  .tl-item{padding-left:60px}
  .tl-body{padding:18px}
  .faq-q{padding:12px 18px;font-size:15px}
  .faq-a-inner{padding:0 18px 18px}
  .form-row{grid-template-columns:1fr}
  .form-card .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
}