/* roulang page: index */
:root{
  --green:#0E3A2C;
  --green-2:#17553F;
  --green-soft:#EAF3EE;
  --red:#D8433A;
  --red-h:#B5342C;
  --red-a:#94261F;
  --bg:#F7F4EC;
  --card:#FFFFFF;
  --line:#E3E0D6;
  --ink:#14201C;
  --ink-2:#3D514A;
  --ok:#48A97C;
  --warn:#C2703A;
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --r-p:999px;
  --sh1:0 1px 2px rgba(20,32,28,.06);
  --sh2:0 8px 24px rgba(14,58,44,.08);
  --sh3:0 18px 48px rgba(14,58,44,.14);
  --t:180ms ease;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","SF Pro Display",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  font-weight:400;
}
img{max-width:100%;display:block;border:0}
a{color:var(--green-2);text-decoration:none;transition:color var(--t),opacity var(--t)}
a:hover{color:var(--red)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--green-2);outline-offset:2px;box-shadow:0 0 0 4px rgba(23,85,63,.16);border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:28px;line-height:1.3;font-weight:600;position:relative;padding-left:16px;letter-spacing:.2px}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--green)}
.section-head p{margin-top:8px;color:var(--ink-2);font-size:14px;max-width:660px}
.head-link{font-size:14px;font-weight:500;white-space:nowrap;border-bottom:1px solid transparent;padding-bottom:2px}
.head-link:hover{border-color:var(--red)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.6px;color:var(--green-2);text-transform:uppercase}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,236,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{height:68px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:600;color:var(--ink);flex:0 0 auto}
.brand:hover{color:var(--green-2)}
.brand-mark{
  width:30px;height:30px;border-radius:9px;
  background:linear-gradient(150deg,var(--green) 0%,var(--green-2) 100%);
  color:#fff;display:grid;place-items:center;font-size:15px;line-height:1;
  box-shadow:var(--sh1);flex:0 0 auto;
}
.brand-text{white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;display:inline-block;padding:8px 14px;border-radius:var(--r-p);
  font-size:15px;font-weight:500;color:var(--ink-2);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-link:hover{color:var(--green);background:var(--green-soft)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--green);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{position:relative;width:230px}
.search-box svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--ink-2);fill:none;stroke-width:1.8}
.search-box input{
  width:100%;height:44px;border-radius:var(--r-p);border:1px solid var(--line);
  background:#fff;padding:0 16px 0 40px;font-size:14px;transition:border-color var(--t),box-shadow var(--t);
}
.search-box input::placeholder{color:#8A9A94}
.search-box input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(14,58,44,.12);outline:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-p);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 6px 16px rgba(216,67,58,.24)}
.btn-primary:hover{background:var(--red-h);color:#fff;transform:translateY(-1px)}
.btn-primary:active{background:var(--red-a);transform:translateY(0)}
.btn-secondary{background:transparent;color:var(--green);border:1.5px solid var(--green)}
.btn-secondary:hover{background:var(--green);color:#fff}
.btn-ghost{color:var(--ink-2);padding:0 12px;font-weight:500}
.btn-ghost:hover{color:var(--green);background:var(--green-soft)}
.btn-on-dark{background:rgba(255,255,255,.08);color:#fff;border:1.5px solid rgba(255,255,255,.45)}
.btn-on-dark:hover{background:#fff;color:var(--green);border-color:#fff}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}
.burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,32,28,.55);z-index:80;
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:86vw;z-index:90;
  background:var(--bg);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform var(--t);
  padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:16px;
}
.drawer.open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:18px;line-height:1;color:var(--ink-2)}
.drawer-close:hover{color:var(--red);border-color:var(--red)}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{padding:12px 14px;border-radius:var(--r-m);font-weight:500;color:var(--ink-2);background:#fff;border:1px solid var(--line)}
.drawer-nav a.active{color:var(--green);border-color:var(--green);background:var(--green-soft)}
.drawer-divider{height:1px;background:var(--line)}
.drawer .search-box{width:100%}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:radial-gradient(circle at 12% -10%,rgba(72,169,124,.32) 0%,rgba(72,169,124,0) 55%),
             linear-gradient(155deg,#0E3A2C 0%,#17553F 100%);
  color:#fff;
}
.hero::before,.hero::after{
  position:absolute;font-size:220px;line-height:1;opacity:.055;color:#fff;pointer-events:none;font-weight:700;
}
.hero::before{content:"♠";left:-30px;top:-40px}
.hero::after{content:"♥";right:-20px;bottom:-70px}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
  padding:72px 0 80px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--r-p);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  font-size:13px;font-weight:500;color:#B9EBD3;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(72,169,124,.24)}
.hero h1{
  margin:20px 0 16px;font-size:40px;line-height:1.2;font-weight:700;letter-spacing:.2px;color:#fff;
}
.hero h1 em{font-style:normal;color:#7FD8AE}
.hero-sub{font-size:17px;line-height:1.75;color:rgba(255,255,255,.82);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:24px;margin-top:32px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78)}
.hero-trust svg{width:15px;height:15px;stroke:#7FD8AE;fill:none;stroke-width:2;flex:0 0 auto}
.hero-visual{position:relative}
.hero-visual .hero-main{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:24px;
  border:1px solid rgba(255,255,255,.18);box-shadow:0 24px 60px rgba(0,0,0,.34);
}
.hero-visual .hero-sub-card{
  position:absolute;right:-10px;bottom:-28px;width:45%;
  border-radius:18px;border:4px solid #fff;box-shadow:var(--sh3);
  transform:rotate(-3deg);aspect-ratio:16/10;object-fit:cover;
}

/* ============ 痛点提问 ============ */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.pain-card{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);
  padding:26px;box-shadow:var(--sh1);transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.pain-card:hover{box-shadow:var(--sh2);transform:translateY(-2px);border-color:#D4E5DB}
.pain-num{
  font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--green);
  background:var(--green-soft);border-radius:12px;padding:6px 12px;line-height:1.2;flex:0 0 auto;
}
.pain-card p{font-size:16px;font-weight:600;line-height:1.6;margin-bottom:6px}
.pain-card span{font-size:14px;color:var(--ink-2);display:block}

/* ============ 方案卡片 ============ */
.plan-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start}
.plan-main{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--sh2);overflow:hidden;position:relative;
}
.plan-main::after{content:"";position:absolute;left:0;top:0;width:64px;height:3px;background:var(--green);border-radius:0 0 3px 0}
.plan-main img{width:100%;aspect-ratio:16/9;object-fit:cover}
.plan-main-body{padding:28px}
.plan-main-body h3{font-size:20px;font-weight:600;line-height:1.4;margin-bottom:10px}
.plan-main-body > p{font-size:15px;color:var(--ink-2);margin-bottom:18px}
.point-list{display:flex;flex-direction:column;gap:12px;margin-bottom:22px}
.point-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);align-items:flex-start}
.point-list li::before{
  content:"♥";color:var(--red);font-size:12px;line-height:1.6;flex:0 0 auto;
}
.plan-side{display:flex;flex-direction:column;gap:24px}
.plan-mini{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);
  padding:24px;box-shadow:var(--sh1);transition:box-shadow var(--t),transform var(--t);
}
.plan-mini:hover{box-shadow:var(--sh2);transform:translateY(-2px)}
.plan-icon{
  width:44px;height:44px;border-radius:14px;background:var(--green-soft);color:var(--green);
  display:grid;place-items:center;font-size:18px;font-weight:700;margin-bottom:14px;
}
.plan-mini h3{font-size:17px;font-weight:600;margin-bottom:8px}
.plan-mini p{font-size:14px;color:var(--ink-2)}

/* ============ 数据区 ============ */
.stats{
  background:radial-gradient(circle at 85% 0%,rgba(72,169,124,.34) 0%,rgba(72,169,124,0) 52%),var(--green);
  color:#fff;position:relative;overflow:hidden;
}
.stats::after{content:"♣";position:absolute;right:-20px;top:-60px;font-size:220px;opacity:.05;font-weight:700}
.stats-inner{position:relative;z-index:2;padding:64px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:36px}
.stat{
  border-left:2px solid rgba(255,255,255,.22);padding-left:20px;
}
.stat b{display:block;font-family:var(--font-num);font-size:40px;line-height:1.1;font-weight:700;color:#fff}
.stat b i{font-style:normal;font-size:18px;font-weight:600;color:#7FD8AE;margin-left:4px}
.stat span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.72);line-height:1.6}
.stats h2{font-size:28px;font-weight:600;line-height:1.3}
.stats .stats-lead{margin-top:10px;font-size:15px;color:rgba(255,255,255,.78);max-width:640px}

/* ============ 资讯列表 ============ */
.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(--line);border-radius:var(--r-l);overflow:hidden;
  box-shadow:var(--sh1);transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.news-card:hover{box-shadow:var(--sh2);transform:translateY(-2px);border-color:#D4E5DB}
.news-thumb{display:block;overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform var(--t)}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:4px 10px;border-radius:var(--r-p);font-size:12px;font-weight:600;line-height:1.6;
}
.badge-soft{background:var(--green-soft);color:var(--green)}
.badge-red{background:var(--red);color:#fff}
.news-body h3{font-size:16px;font-weight:600;line-height:1.5}
.news-body h3 a{color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .news-body h3 a{color:var(--green)}
.news-body p{font-size:14px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{font-size:13px;color:#708078;margin-top:auto;padding-top:6px;display:flex;align-items:center;gap:8px}
.news-meta i{width:5px;height:5px;border-radius:50%;background:var(--line);display:inline-block}
.empty-state{
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-l);
  padding:56px 24px;text-align:center;box-shadow:var(--sh1);
}
.empty-state .empty-icon{font-size:26px;color:var(--green);margin-bottom:12px}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:20px}

/* ============ FAQ ============ */
.faq-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh1)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 26px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  transition:background var(--t),color var(--t);
}
.faq-q:hover{background:var(--green-soft);color:var(--green)}
.faq-q .sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;font-size:15px;font-weight:600;color:var(--green-2);
  transition:transform var(--t),background var(--t),color var(--t);
}
.faq-item.open .faq-q{color:var(--green)}
.faq-item.open .sign{background:var(--green);color:#fff;border-color:var(--green);transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms ease}
.faq-a-inner{padding:0 26px 24px;font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ============ 表单 / 联系 ============ */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.contact-info h2{font-size:28px;font-weight:600;line-height:1.3;margin-bottom:14px}
.contact-info p{color:var(--ink-2);font-size:15px;margin-bottom:24px}
.contact-list{display:flex;flex-direction:column;gap:16px}
.contact-list li{display:flex;gap:12px;font-size:14px;color:var(--ink-2);align-items:flex-start}
.contact-list li b{color:var(--ink);font-weight:600;display:block;margin-bottom:2px;font-size:14px}
.contact-dot{
  width:34px;height:34px;border-radius:12px;background:var(--green-soft);color:var(--green);
  display:grid;place-items:center;font-size:15px;flex:0 0 auto;
}
.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);
  padding:32px;box-shadow:var(--sh2);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.field .hint{font-weight:400;color:#7C8C86;font-size:13px;margin-left:6px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-m);background:#fff;
  padding:0 14px;height:44px;font-size:15px;transition:border-color var(--t),box-shadow var(--t);
}
.field textarea{height:110px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(14,58,44,.12);
}
.checkbox{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);cursor:pointer}
.checkbox input{width:18px;height:18px;height:18px;flex:0 0 auto;margin-top:2px;accent-color:var(--green)}
.form-tip{
  border-left:3px solid var(--ok);background:var(--green-soft);border-radius:0 12px 12px 0;
  padding:10px 14px;font-size:13px;color:var(--ink-2);margin-bottom:18px;display:none;
}
.form-tip.show{display:block}

/* ============ 隐私说明 ============ */
.privacy{background:var(--green-soft)}
.privacy h2{font-size:20px;font-weight:600;margin-bottom:16px;padding-left:14px;position:relative}
.privacy h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:4px;background:var(--green)}
.privacy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.privacy-item{background:#fff;border:1px solid #D9E7DF;border-radius:var(--r-m);padding:18px 20px}
.privacy-item b{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--green)}
.privacy-item p{font-size:13px;color:var(--ink-2);line-height:1.7}

/* ============ 页尾 CTA ============ */
.cta-band{
  background:linear-gradient(120deg,#0E3A2C 0%,#17553F 60%,#1D6B4D 100%);
  color:#fff;border-radius:0;position:relative;overflow:hidden;
}
.cta-band::after{content:"♠";position:absolute;left:-10px;bottom:-70px;font-size:200px;opacity:.05;font-weight:700}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:48px 0;flex-wrap:wrap}
.cta-inner h2{font-size:26px;font-weight:600;line-height:1.35;color:#fff}
.cta-inner p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.78)}

/* ============ 页脚 ============ */
.site-footer{background:var(--green);color:rgba(255,255,255,.72);position:relative;overflow:hidden}
.site-footer::before{content:"♥";position:absolute;right:-20px;top:-60px;font-size:200px;opacity:.05;font-weight:700;color:#fff}
.footer-grid{position:relative;z-index:2;display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:32px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:600;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2)}
.site-footer p{font-size:14px;line-height:1.8}
.footer-title{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:.4px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px}
.footer-links a:hover{color:#fff}
.footer-contact li{font-size:14px;margin-bottom:10px;display:flex;gap:8px;align-items:flex-start}
.footer-contact b{color:#fff;font-weight:600}
.footer-bottom{
  position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#fff}

/* ============ 弹层 ============ */
.modal-mask{
  position:fixed;inset:0;background:rgba(20,32,28,.55);z-index:120;
  display:flex;align-items:center;justify-content:center;padding:20px;
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.modal-mask.open{opacity:1;visibility:visible}
.modal{
  width:100%;max-width:480px;max-height:90vh;overflow-y:auto;
  background:var(--card);border-radius:var(--r-l);box-shadow:var(--sh3);
  padding:30px;position:relative;transform:translateY(12px);transition:transform var(--t);
}
.modal-mask.open .modal{transform:translateY(0)}
.modal h3{font-size:20px;font-weight:600;margin-bottom:8px}
.modal > p{font-size:14px;color:var(--ink-2);margin-bottom:20px}
.modal-close{
  position:absolute;right:16px;top:16px;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:16px;line-height:1;
}
.modal-close:hover{color:var(--red);border-color:var(--red)}
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:70;
  height:44px;padding:0 18px;border-radius:var(--r-p);
  border:1.5px solid var(--green);background:rgba(255,255,255,.94);color:var(--green);
  font-size:14px;font-weight:600;box-shadow:var(--sh2);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t),background var(--t),color var(--t);
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--green);color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .hero h1{font-size:36px}
  .container{padding:0 24px}
}
@media (max-width:1024px){
  .section{padding:56px 0}
  .hero-grid{grid-template-columns:1fr;gap:40px;padding:56px 0 64px}
  .hero-sub{max-width:none}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .plan-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .privacy-grid{grid-template-columns:1fr}
  .nav-menu,.nav-tools .search-box,.nav-tools .btn-ghost{display:none}
  .burger{display:flex}
  .nav-tools{margin-left:auto}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section{padding:40px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .section-head h2{font-size:23px}
  .hero h1{font-size:28px}
  .hero::before,.hero::after{font-size:150px}
  .hero-visual .hero-sub-card{width:48%;right:0;bottom:-18px}
  .pain-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .stat{border-left:0;border-top:2px solid rgba(255,255,255,.22);padding:16px 0 0}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 28px}
  .cta-inner{padding:36px 0}
  .faq-q{padding:18px 18px;font-size:15px}
  .faq-a-inner{padding:0 18px 20px}
  .to-top{right:14px;bottom:16px}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%}
  .hero-trust{gap:14px}
  .modal{padding:22px}
}

/* roulang page: article */
:root{
  --green-900:#0E3A2C;
  --green-700:#17553F;
  --green-50:#EAF3EE;
  --red:#D8433A;
  --red-hover:#B5342C;
  --red-active:#94261F;
  --bg:#F7F4EC;
  --card:#FFFFFF;
  --line:#E3E0D6;
  --ink:#14201C;
  --ink-2:#3D514A;
  --ok:#48A97C;
  --amber:#C2703A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(20,32,28,.06);
  --sh2:0 8px 24px rgba(14,58,44,.08);
  --sh3:0 18px 48px rgba(14,58,44,.14);
  --t:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--green-700);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-family:"Inter","SF Pro Display",system-ui,sans-serif;font-variant-numeric:tabular-nums;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,244,236,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:9px;flex:0 0 auto;}
.brand-mark{
  width:30px;height:30px;border-radius:var(--r-sm);
  background:var(--green-900);color:#fff;
  display:grid;place-items:center;font-size:15px;line-height:1;
  box-shadow:var(--sh1);
}
.brand-text{font-size:17px;font-weight:600;color:var(--green-900);letter-spacing:.2px;white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:2px;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--ink-2);transition:color var(--t),background var(--t);
  white-space:nowrap;
}
.nav-link:hover{color:var(--green-900);background:var(--green-50);}
.nav-link.active{color:var(--green-900);font-weight:600;background:var(--green-50);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  border-radius:2px;background:var(--red);
}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:10px;}
.search-box{
  display:flex;align-items:center;gap:8px;width:250px;height:40px;
  padding:0 14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);transition:border-color var(--t),box-shadow var(--t);
}
.search-box:focus-within{border-color:var(--green-900);box-shadow:0 0 0 3px rgba(23,85,63,.14);}
.search-box svg{width:16px;height:16px;flex:0 0 16px;stroke:var(--ink-2);fill:none;stroke-width:2;stroke-linecap:round;}
.search-box input{
  width:100%;border:0;background:transparent;outline:none;
  font-size:14px;line-height:1;
}
.search-box input::placeholder{color:#8A968F;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 18px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;line-height:1;white-space:nowrap;
  border:1px solid transparent;transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 6px 16px rgba(216,67,58,.24);}
.btn-primary:hover{background:var(--red-hover);}
.btn-primary:active{background:var(--red-active);}
.btn-outline{border-color:var(--green-900);color:var(--green-900);background:#fff;}
.btn-outline:hover{background:var(--green-900);color:#fff;}
.btn-ghost{color:var(--green-900);}
.btn-ghost:hover{background:var(--green-50);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn:disabled{opacity:.5;cursor:not-allowed;}
.burger{
  display:none;width:42px;height:42px;border-radius:var(--r-sm);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  border:1px solid var(--line);background:#fff;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--green-900);}
.nav-overlay{
  position:fixed;inset:0;background:rgba(20,32,28,.55);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:70;
}
.nav-overlay.show{opacity:1;visibility:visible;}

/* ============ Breadcrumb ============ */
.crumb-bar{padding:22px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--ink-2);}
.crumb a{color:var(--ink-2);transition:color var(--t);}
.crumb a:hover{color:var(--green-900);}
.crumb .sep{color:#A9B3AD;}
.crumb .current{color:var(--ink-2);opacity:.85;}

/* ============ Article head ============ */
.article-head{padding:20px 0 28px;border-bottom:1px solid var(--line);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.3px;
  background:var(--green-50);color:var(--green-900);
}
.badge-red{background:var(--red);color:#fff;}
.article-head h1{
  margin:16px 0 14px;
  font-size:clamp(26px,3.4vw,36px);
  line-height:1.3;font-weight:600;color:var(--ink);letter-spacing:.2px;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);}
.post-meta .dot{color:#B6BFB9;}

/* ============ Layout ============ */
.article-main{padding:40px 0 72px;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:56px;align-items:start;
}
.post-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh1);padding:40px 44px 48px;max-width:800px;
  position:relative;overflow:hidden;
}
.post-panel::before{
  content:"";position:absolute;left:0;top:0;width:2px;height:72px;background:var(--green-900);
}
.post-body{font-size:16px;line-height:1.85;color:var(--ink);}
.post-body>*+*{margin-top:20px;}
.post-body p{margin:0;color:var(--ink);}
.post-body h2{
  position:relative;margin:40px 0 16px;padding-left:14px;
  font-size:22px;line-height:1.4;font-weight:600;color:var(--ink);
}
.post-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;
  border-radius:3px;background:var(--green-900);
}
.post-body h3{margin:28px 0 12px;font-size:18px;line-height:1.5;font-weight:600;color:var(--ink);}
.post-body h4{margin:22px 0 10px;font-size:16px;font-weight:600;}
.post-body ul,.post-body ol{padding-left:22px;}
.post-body ul{list-style:disc;}
.post-body ol{list-style:decimal;}
.post-body li{margin:8px 0;color:var(--ink-2);}
.post-body li::marker{color:var(--green-700);}
.post-body a{color:var(--green-700);border-bottom:1px solid rgba(23,85,63,.35);transition:color var(--t),border-color var(--t);}
.post-body a:hover{color:var(--red);border-color:var(--red);}
.post-body img{border-radius:12px;margin:24px auto;box-shadow:var(--sh1);}
.post-body figcaption,.post-body .caption{
  margin-top:10px;text-align:center;font-size:13px;color:var(--ink-2);
}
.post-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--green-50);
  border-left:3px solid var(--green-900);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--green-900);
}
.post-body blockquote p{margin:0;color:var(--green-700);}
.post-body blockquote>*+*{margin-top:12px;}
.post-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  margin:24px 0;font-size:15px;-webkit-overflow-scrolling:touch;
}
.post-body thead{background:var(--green-50);}
.post-body th,.post-body td{
  padding:11px 14px;border:1px solid var(--line);text-align:left;white-space:nowrap;
}
.post-body th{color:var(--green-900);font-weight:600;}
.post-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

/* ============ TOC ============ */
.toc{
  position:sticky;top:92px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh1);padding:20px;
}
.toc-title{
  font-size:14px;font-weight:600;color:var(--green-900);
  display:flex;align-items:center;gap:8px;margin-bottom:12px;
}
.toc-title::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--red);}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-link{
  display:block;padding:7px 10px;border-radius:var(--r-sm);
  font-size:13px;line-height:1.5;color:var(--ink-2);
  transition:background var(--t),color var(--t);
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.toc-link:hover{background:var(--green-50);color:var(--green-900);}
.toc-note{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:12px;line-height:1.7;color:var(--ink-2);
}

/* ============ Empty state ============ */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;padding:64px 24px;text-align:center;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-icon{
  width:56px;height:56px;border-radius:18px;background:var(--green-50);
  display:grid;place-items:center;font-size:22px;color:var(--green-900);
}
.empty-state p{font-size:15px;color:var(--ink-2);}

/* ============ Related ============ */
.related{padding:0 0 72px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.sec-head h2{
  position:relative;padding-left:14px;font-size:22px;font-weight:600;line-height:1.3;color:var(--ink);
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;
  border-radius:3px;background:var(--green-900);
}
.sec-head .link-more{font-size:14px;color:var(--green-700);transition:color var(--t);}
.sec-head .link-more:hover{color:var(--red);}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh1);overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:#D3D0C3;}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--green-50);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 260ms ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:10px;}
.rel-body h3{font-size:16px;line-height:1.5;font-weight:600;color:var(--ink);transition:color var(--t);}
.rel-card:hover .rel-body h3{color:var(--green-900);}
.rel-body p{font-size:14px;line-height:1.7;color:var(--ink-2);}
.rel-time{font-size:13px;color:var(--ink-2);opacity:.85;}
.back-row{display:flex;justify-content:center;margin-top:36px;}

/* ============ CTA strip ============ */
.cta-strip{
  background:var(--green-900);border-radius:var(--r-lg);
  padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--sh3);position:relative;overflow:hidden;
}
.cta-strip::after{
  content:"♥";position:absolute;right:24px;bottom:-24px;
  font-size:150px;line-height:1;color:rgba(255,255,255,.05);pointer-events:none;
}
.cta-strip h2{font-size:22px;font-weight:600;color:#fff;line-height:1.35;}
.cta-strip p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.72);}
.cta-strip .btn-outline{border-color:rgba(255,255,255,.7);color:#fff;background:transparent;}
.cta-strip .btn-outline:hover{background:#fff;color:var(--green-900);border-color:#fff;}

/* ============ Footer ============ */
.site-footer{background:var(--green-900);color:rgba(255,255,255,.72);margin-top:8px;position:relative;overflow:hidden;}
.site-footer::before{
  content:"♠";position:absolute;left:24px;top:-40px;font-size:220px;line-height:1;
  color:rgba(255,255,255,.05);pointer-events:none;
}
.footer-grid{
  position:relative;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:9px;font-size:17px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);box-shadow:none;}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:300px;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color var(--t);}
.footer-links a:hover{color:#fff;}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;line-height:1.7;}
.footer-contact b{color:rgba(255,255,255,.92);font-weight:500;}
.footer-bottom{
  position:relative;display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;
  padding:18px 0 26px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ Back to top ============ */
.back-top{
  position:fixed;right:24px;bottom:28px;z-index:60;
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--green-900);color:var(--green-900);
  font-size:13px;box-shadow:var(--sh2);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--t),visibility var(--t),transform var(--t),background var(--t),color var(--t);
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{background:var(--green-900);color:#fff;}

/* ============ Skeleton ============ */
.skeleton{
  border-radius:var(--r-md);
  background:var(--green-50);
  animation:skeletonPulse 1.4s ease-in-out infinite;
}
@keyframes skeletonPulse{0%,100%{opacity:1;}50%{opacity:.55;}}

/* ============ Responsive ============ */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .toc{display:none;}
  .post-panel{max-width:none;}
}
@media (max-width:1024px){
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .search-box{width:200px;}
}
@media (max-width:900px){
  .nav-menu{gap:0;}
  .nav-link{padding:9px 10px;font-size:14px;}
  .search-box{display:none;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .nav-menu{
    position:fixed;top:0;right:0;height:100vh;width:280px;
    margin:0;padding:84px 18px 24px;
    background:#fff;box-shadow:var(--sh3);
    flex-direction:column;align-items:stretch;gap:6px;
    transform:translateX(100%);transition:transform 220ms ease;z-index:75;
  }
  .nav-menu.open{transform:translateX(0);}
  .nav-link{padding:13px 14px;font-size:16px;border-radius:var(--r-md);}
  .nav-link.active::after{left:14px;right:auto;width:22px;bottom:8px;}
  .burger{display:inline-flex;}
  .nav-tools .btn-ghost{display:none;}
  .article-main{padding:32px 0 56px;}
  .post-panel{padding:26px 20px 32px;border-radius:var(--r-md);}
  .post-body{font-size:16px;line-height:1.8;}
  .post-body h2{font-size:20px;margin-top:32px;}
  .post-body h3{font-size:17px;}
  .rel-grid{grid-template-columns:1fr;}
  .related{padding-bottom:56px;}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:28px 22px;}
  .cta-strip::after{font-size:110px;bottom:-18px;right:10px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding:48px 0 28px;}
  .site-footer p{max-width:none;}
  .back-top{right:16px;bottom:18px;}
}
@media (max-width:480px){
  .brand-text{font-size:15px;}
  .article-head h1{font-size:24px;}
  .post-meta{font-size:12px;}
  .post-panel{padding:22px 16px 28px;}
  .sec-head h2{font-size:20px;}
  .cta-strip h2{font-size:19px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0E3A2C;
  --c-primary-2:#17553F;
  --c-primary-soft:#EAF3EE;
  --c-accent:#D8433A;
  --c-accent-h:#B5342C;
  --c-accent-a:#94261F;
  --c-bg:#F7F4EC;
  --c-card:#FFFFFF;
  --c-line:#E3E0D6;
  --c-ink:#14201C;
  --c-sub:#3D514A;
  --c-ok:#48A97C;
  --c-warn:#C2703A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(20,32,28,.06);
  --sh2:0 8px 24px rgba(14,58,44,.08);
  --sh3:0 18px 48px rgba(14,58,44,.14);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Inter","SF Pro Display",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary-2);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease;}
a:hover{color:var(--c-accent);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:600;color:var(--c-ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;box-shadow:0 0 0 4px rgba(14,58,44,.14);}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  height:68px;
  background:rgba(247,244,236,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:100%;}
.brand{display:inline-flex;align-items:center;gap:8px;font-size:17px;font-weight:600;color:var(--c-primary);white-space:nowrap;}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:8px;
  background:var(--c-primary);color:#fff;font-size:14px;line-height:1;
}
.brand-text{font-weight:600;}
.nav-menu{display:flex;align-items:center;gap:24px;margin-left:8px;}
.nav-link{
  position:relative;padding:6px 2px;font-size:15px;color:var(--c-sub);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:240px;height:40px;padding:0 16px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,58,44,.12);}
.search-box svg{width:16px;height:16px;flex:0 0 auto;fill:none;stroke:var(--c-sub);stroke-width:1.8;stroke-linecap:round;}
.search-box input{width:100%;border:0;background:transparent;outline:none;font-size:14px;color:var(--c-ink);}
.search-box input::placeholder{color:#8C9A94;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;line-height:1;
  border:1px solid transparent;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh1);}
.btn-primary:hover{background:var(--c-accent-h);color:#fff;box-shadow:var(--sh2);}
.btn-primary:active{background:var(--c-accent-a);transform:translateY(1px);}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent;}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary);border-color:var(--c-primary-2);}
.btn-outline:active{background:#DCEAE2;}
.btn-ghost{color:var(--c-primary-2);padding:0 14px;}
.btn-ghost:hover{color:var(--c-accent);background:rgba(216,67,58,.06);}
.btn-on-dark{background:#fff;color:var(--c-primary);}
.btn-on-dark:hover{background:#F2EFE6;color:var(--c-primary);}
.btn-outline-on-dark{border-color:rgba(255,255,255,.5);color:#fff;}
.btn-outline-on-dark:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08);}
.btn:disabled{opacity:.5;cursor:not-allowed;}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}

.burger{display:none;width:44px;height:44px;border-radius:var(--r-sm);flex-direction:column;align-items:center;justify-content:center;gap:5px;}
.burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--c-primary);transition:transform .18s ease,opacity .18s ease;}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-overlay{
  position:fixed;inset:0;background:rgba(20,32,28,.55);z-index:65;
  opacity:0;visibility:hidden;transition:opacity .18s ease,visibility .18s ease;
}
.nav-overlay.show{opacity:1;visibility:visible;}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-sub);}
.breadcrumb a{color:var(--c-sub);}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb .sep{color:#A9B4AF;}
.breadcrumb .current{color:#7C8A84;}

/* ---------- 页头区 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:56px 0 64px;
  background-color:var(--c-primary-soft);
  background-image:linear-gradient(180deg,rgba(234,243,238,.96),rgba(234,243,238,.88)),
                   url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--c-line);
}
.page-hero::after{
  content:"♠ ♥";
  position:absolute;right:-20px;bottom:-50px;
  font-size:200px;line-height:1;letter-spacing:24px;
  color:rgba(14,58,44,.05);pointer-events:none;user-select:none;
}
.page-hero .container{position:relative;z-index:1;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  margin:20px 0 16px;padding:6px 14px;
  background:#fff;border:1px solid rgba(14,58,44,.14);border-radius:var(--r-pill);
  font-size:13px;color:var(--c-primary);font-weight:500;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--c-ok);box-shadow:0 0 0 3px rgba(72,169,124,.18);}
.page-hero h1{
  max-width:820px;
  font-size:40px;line-height:1.2;font-weight:600;color:var(--c-primary);
}
.page-hero .lead{
  max-width:760px;margin-top:16px;
  font-size:16px;line-height:1.8;color:var(--c-sub);
}
.hero-chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);
  font-size:13px;color:var(--c-sub);
}
.chip b{color:var(--c-primary);font-weight:600;font-family:var(--font-num);}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0;}
.section-tight{padding:56px 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-head h2{position:relative;padding-left:16px;font-size:28px;line-height:1.3;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--c-primary);
}
.section-head p{font-size:14px;color:var(--c-sub);max-width:620px;}

/* ---------- 两栏布局 ---------- */
.layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:32px;align-items:start;}

/* ---------- 检查清单卡片 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.check-card{
  position:relative;overflow:hidden;
  padding:24px;background:var(--c-card);
  border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh1);
  transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.check-card::after{
  content:"";position:absolute;left:0;top:0;width:52px;height:2px;background:var(--c-primary);
}
.check-card:hover{box-shadow:var(--sh2);transform:translateY(-2px);border-color:#D5D1C4;}
.check-card .num{
  font-family:var(--font-num);font-size:13px;font-weight:600;letter-spacing:1px;color:var(--c-accent);
}
.check-card h3{margin:10px 0 8px;font-size:18px;}
.check-card p{font-size:14px;line-height:1.75;color:var(--c-sub);}

/* ---------- 分步要点 ---------- */
.step-list{counter-reset:step;display:grid;gap:16px;margin-top:8px;}
.step-item{
  position:relative;display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;
  padding:20px;background:var(--c-card);
  border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh1);
  transition:box-shadow .18s ease,transform .18s ease;
}
.step-item:hover{box-shadow:var(--sh2);transform:translateY(-2px);}
.step-item .idx{
  display:flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-md);
  background:var(--c-primary-soft);color:var(--c-primary);
  font-family:var(--font-num);font-size:16px;font-weight:600;
}
.step-item h3{font-size:17px;margin-bottom:6px;}
.step-item p{font-size:14px;line-height:1.75;color:var(--c-sub);}

.figure{margin:24px 0 0;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh2);}
.figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.figure figcaption{padding:14px 20px;font-size:13px;color:var(--c-sub);border-top:1px solid var(--c-line);}

/* ---------- 卡点处理列表 ---------- */
.trouble-list{display:grid;gap:12px;}
.trouble-item{
  display:grid;grid-template-columns:minmax(0,220px) minmax(0,1fr);gap:20px;
  padding:20px;background:var(--c-card);border:1px solid var(--c-line);
  border-left:3px solid var(--c-accent);border-radius:var(--r-md);box-shadow:var(--sh1);
  transition:box-shadow .18s ease;
}
.trouble-item:hover{box-shadow:var(--sh2);}
.trouble-item strong{font-size:15px;font-weight:600;color:var(--c-primary);}
.trouble-item p{font-size:14px;line-height:1.75;color:var(--c-sub);}

/* ---------- 侧栏 ---------- */
.side-col{display:grid;gap:20px;}
.side-card{
  padding:22px;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-lg);box-shadow:var(--sh1);
}
.side-card.sticky{position:sticky;top:88px;}
.side-card h3{font-size:16px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--c-line);}
.toc{display:grid;gap:4px;}
.toc a{
  display:flex;align-items:center;gap:10px;
  padding:9px 12px;border-radius:var(--r-sm);
  font-size:14px;color:var(--c-sub);
}
.toc a::before{content:"♥";font-size:11px;color:rgba(216,67,58,.5);}
.toc a:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.side-list{display:grid;gap:10px;}
.side-list li{position:relative;padding-left:22px;font-size:14px;line-height:1.7;color:var(--c-sub);}
.side-list li::before{
  content:"✓";position:absolute;left:0;top:1px;font-size:13px;color:var(--c-ok);font-weight:700;
}
.side-note{
  padding:22px;border-radius:var(--r-lg);
  background:var(--c-primary);color:rgba(255,255,255,.82);
}
.side-note h3{color:#fff;border-bottom-color:rgba(255,255,255,.18);font-size:16px;margin-bottom:14px;padding-bottom:12px;}
.side-note p{font-size:13px;line-height:1.8;}
.side-note .btn{margin-top:16px;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:500;
}
.badge-soft{background:var(--c-primary-soft);color:var(--c-primary);}
.badge-accent{background:var(--c-accent);color:#fff;}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:20px 0;text-align:left;
  font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq-q:hover{color:var(--c-primary-2);}
.faq-q .sign{
  flex:0 0 auto;position:relative;width:20px;height:20px;border-radius:50%;
  border:1px solid var(--c-line);background:#fff;
}
.faq-q .sign::before,.faq-q .sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-q .sign::before{width:10px;height:2px;}
.faq-q .sign::after{width:2px;height:10px;transition:transform .18s ease,opacity .18s ease;}
.faq-item.open .faq-q .sign::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a p{padding:0 40px 20px 0;font-size:15px;line-height:1.8;color:var(--c-sub);}

/* ---------- CTA 条 ---------- */
.cta-bar{
  position:relative;overflow:hidden;
  padding:48px;background:var(--c-primary);border-radius:var(--r-lg);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:var(--sh3);
}
.cta-bar::after{
  content:"♠";position:absolute;right:-10px;bottom:-60px;font-size:200px;line-height:1;
  color:rgba(255,255,255,.06);pointer-events:none;
}
.cta-bar h2{position:relative;z-index:1;font-size:26px;color:#fff;}
.cta-bar p{position:relative;z-index:1;margin-top:10px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.75);max-width:620px;}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary);color:rgba(255,255,255,.72);margin-top:80px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:8px;font-size:17px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);}
.site-footer p{font-size:14px;line-height:1.8;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:#fff;}
.footer-contact{display:grid;gap:10px;font-size:14px;}
.footer-contact b{color:#fff;font-weight:500;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:20px 0;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .search-box{width:210px;}
}
@media (max-width:1024px){
  .section{padding:56px 0;}
  .layout{grid-template-columns:1fr;gap:24px;}
  .side-card.sticky{position:static;}
  .page-hero h1{font-size:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .nav-menu{gap:16px;}
  .search-box{display:none;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:40px 0;}
  .page-hero{padding:36px 0 44px;}
  .page-hero h1{font-size:28px;}
  .page-hero::after{font-size:130px;bottom:-30px;}
  .section-head h2{font-size:23px;}
  .check-grid{grid-template-columns:1fr;}
  .trouble-item{grid-template-columns:1fr;gap:8px;}
  .cta-bar{padding:28px;border-radius:var(--r-lg);}
  .cta-bar h2{font-size:22px;}
  .burger{display:flex;}
  .nav-menu{
    position:fixed;top:0;right:0;z-index:80;
    width:280px;height:100vh;margin-left:0;
    padding:88px 24px 32px;
    background:#fff;border-left:1px solid var(--c-line);
    flex-direction:column;align-items:flex-start;gap:8px;
    transform:translateX(100%);transition:transform .2s ease;
    box-shadow:var(--sh3);overflow-y:auto;
  }
  .nav-menu.open{transform:translateX(0);}
  .nav-link{width:100%;padding:12px 0;border-bottom:1px solid var(--c-line);font-size:16px;}
  .nav-link::after{display:none;}
  .nav-tools .btn-ghost{display:none;}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 28px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:480px){
  .page-hero h1{font-size:25px;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .hero-chips{gap:8px;}
  .chip{width:100%;justify-content:flex-start;}
}

/* roulang page: category2 */
:root{
  --green:#0E3A2C;
  --green-soft:#17553F;
  --mint:#EAF3EE;
  --red:#D8433A;
  --red-hover:#B5342C;
  --red-active:#94261F;
  --paper:#F7F4EC;
  --white:#FFFFFF;
  --line:#E3E0D6;
  --ink:#14201C;
  --ink-2:#3D514A;
  --ok:#48A97C;
  --amber:#C2703A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --sh1:0 1px 2px rgba(20,32,28,.06);
  --sh2:0 8px 24px rgba(14,58,44,.08);
  --sh3:0 18px 48px rgba(14,58,44,.14);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --font-num:"Inter","SF Pro Display",system-ui,-apple-system,"Segoe UI",sans-serif;
  --sp:8px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  color:var(--ink);
  background:var(--paper);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1{font-size:40px;line-height:1.2;font-weight:600;letter-spacing:-.4px}
h2{font-size:28px;line-height:1.3;font-weight:600}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{font-weight:400}
:focus-visible{outline:2px solid var(--green);outline-offset:2px;border-radius:4px}

.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:80px 0}
.section-tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--green)}
.section-head .section-sub{margin-top:10px;padding-left:16px;color:var(--ink-2);font-size:15px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--green);background:var(--mint);border-radius:999px;padding:6px 14px}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--ok)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,236,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:17px;color:var(--ink);white-space:nowrap}
.brand-mark{
  width:30px;height:30px;flex:0 0 30px;display:grid;place-items:center;
  border-radius:9px;background:var(--green);color:#fff;font-size:15px;line-height:1;
}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-block;padding:9px 13px;border-radius:999px;
  font-size:15px;color:var(--ink-2);transition:color .18s ease,background-color .18s ease;
}
.nav-link:hover{color:var(--green);background:var(--mint)}
.nav-link.active{color:var(--green);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  border-radius:2px;background:var(--red);
}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:10px}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;width:240px;
  padding:0 14px;background:var(--white);border:1px solid var(--line);border-radius:999px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--green);box-shadow:0 0 0 3px rgba(14,58,44,.12)}
.search-box svg{width:16px;height:16px;flex:0 0 16px;fill:none;stroke:var(--ink-2);stroke-width:1.8;stroke-linecap:round}
.search-box input{width:100%;border:0;outline:0;background:transparent;font-size:14px}
.search-box input::placeholder{color:#8C9A93}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 6px 16px rgba(216,67,58,.24)}
.btn-primary:hover{background:var(--red-hover);transform:translateY(-1px)}
.btn-primary:active{background:var(--red-active)}
.btn-outline{border-color:var(--green);color:var(--green);background:transparent}
.btn-outline:hover{background:var(--mint)}
.btn-ghost{color:var(--ink-2);padding:0 14px}
.btn-ghost:hover{color:var(--green);background:var(--mint)}
.btn-light-outline{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-light-outline:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.burger{display:none;width:44px;height:44px;border-radius:12px;position:relative}
.burger span{position:absolute;left:13px;right:13px;height:2px;border-radius:2px;background:var(--ink);transition:.2s ease}
.burger span:nth-child(1){top:16px}
.burger span:nth-child(2){top:21px}
.burger span:nth-child(3){top:26px}
.burger[aria-expanded="true"] span:nth-child(1){top:21px;transform:rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){top:21px;transform:rotate(-45deg)}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,32,28,.55);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:280px;max-width:86vw;z-index:80;
  background:var(--white);box-shadow:var(--sh3);padding:24px 20px;
  transform:translateX(100%);transition:transform .24s ease;
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-brand{display:flex;align-items:center;gap:9px;font-weight:600;font-size:16px}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{padding:12px 14px;border-radius:12px;color:var(--ink-2);font-size:15px;transition:.18s ease}
.drawer-nav a:hover{background:var(--mint);color:var(--green)}
.drawer-nav a.active{background:var(--mint);color:var(--green);font-weight:600}
.drawer .search-box{width:100%}
.drawer-actions{display:flex;flex-direction:column;gap:10px;margin-top:auto}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;background:var(--mint);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"♠ ♥ ♠";position:absolute;right:-40px;top:-30px;
  font-size:180px;line-height:1;color:var(--green);opacity:.05;
  letter-spacing:24px;pointer-events:none;user-select:none;
}
.page-hero::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:6px;
  background:linear-gradient(90deg,var(--green) 0%,var(--green) 42%,var(--red) 42%,var(--red) 62%,var(--paper) 62%,var(--paper) 100%);
  opacity:.9;
}
.hero-grid{
  position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;
  gap:48px;align-items:center;padding:72px 0 64px;
}
.hero-copy h1{margin:18px 0 0;color:var(--green)}
.hero-lead{margin-top:16px;font-size:16px;color:var(--ink-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-trust{display:flex;flex-wrap:wrap;gap:20px;margin-top:28px;font-size:14px;color:var(--ink-2)}
.hero-trust li{display:inline-flex;align-items:center;gap:8px}
.hero-trust .tick{
  width:18px;height:18px;flex:0 0 18px;border-radius:50%;
  background:rgba(72,169,124,.16);color:var(--ok);display:grid;place-items:center;
  font-size:11px;font-weight:700;line-height:1;
}
.hero-art{position:relative}
.hero-art img{
  width:100%;border-radius:24px;box-shadow:var(--sh3);
  border:1px solid rgba(255,255,255,.6);object-fit:cover;
}
.hero-chip{
  position:absolute;left:-18px;bottom:-20px;background:var(--white);
  border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh2);
  padding:14px 18px;display:flex;align-items:center;gap:12px;
}
.hero-chip .chip-num{font-family:var(--font-num);font-size:24px;font-weight:700;color:var(--red);line-height:1}
.hero-chip .chip-txt{font-size:13px;color:var(--ink-2)}

/* ---------- steps band ---------- */
.steps-band{
  position:relative;overflow:hidden;background:var(--green);color:#fff;
  padding:80px 0;
}
.steps-band::before{
  content:"♥";position:absolute;left:-30px;bottom:-70px;font-size:220px;
  color:#fff;opacity:.04;pointer-events:none;
}
.steps-band .section-head h2{color:#fff}
.steps-band .section-head h2::before{background:var(--red)}
.steps-band .section-head .section-sub{color:rgba(255,255,255,.72)}
.steps{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:24px}
.step{position:relative;padding-top:44px}
.step::before{
  content:attr(data-step);position:absolute;top:0;left:0;
  width:28px;height:28px;border-radius:50%;
  background:var(--red);color:#fff;font-family:var(--font-num);font-size:13px;font-weight:600;
  display:grid;place-items:center;z-index:2;
  box-shadow:0 0 0 5px rgba(216,67,58,.18);
}
.step::after{
  content:"";position:absolute;top:13px;left:32px;right:-24px;height:2px;
  background:rgba(255,255,255,.16);
}
.step:last-child::after{display:none}
.step-title{font-size:17px;font-weight:600;color:#fff;margin-bottom:8px}
.step-text{font-size:14px;color:rgba(255,255,255,.72);line-height:1.7}
.step figure{margin:16px 0 0;border-radius:14px;overflow:hidden;border:1px solid rgba(255,255,255,.14)}
.step figure img{width:100%;height:104px;object-fit:cover}
.step-badge{
  display:inline-block;margin-bottom:10px;font-size:12px;font-weight:600;
  padding:3px 10px;border-radius:999px;background:rgba(255,255,255,.12);color:#fff;
}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;align-items:start}
.info-card{
  position:relative;background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh1);padding:26px;
  transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;
  overflow:hidden;
}
.info-card::before{
  content:"";position:absolute;left:0;top:0;width:56px;height:3px;
  border-radius:0 0 3px 0;background:var(--green);
}
.info-card:hover{box-shadow:var(--sh2);transform:translateY(-2px);border-color:#D6D2C4}
.info-card h3{color:var(--green)}
.info-card .card-text{margin-top:12px;color:var(--ink-2);font-size:15px}
.info-card figure{margin:18px 0 0;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line)}
.info-card figure img{width:100%;height:180px;object-fit:cover}
.info-card.tall figure img{height:236px}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  padding:4px 11px;border-radius:999px;background:var(--mint);color:var(--green);
}
.tag-red{background:var(--red);color:#fff}
.tag-line{background:transparent;border:1px solid var(--line);color:var(--ink-2)}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}

.check-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.check-list li{position:relative;padding-left:26px;font-size:15px;color:var(--ink-2)}
.check-list li::before{
  content:"";position:absolute;left:0;top:8px;width:14px;height:14px;border-radius:4px;
  background:var(--mint);border:1px solid rgba(14,58,44,.18);
}
.check-list li::after{
  content:"";position:absolute;left:4px;top:11px;width:6px;height:3px;
  border-left:2px solid var(--green);border-bottom:2px solid var(--green);
  transform:rotate(-45deg);
}
.check-list li b{color:var(--ink);font-weight:600}
.note{
  margin-top:18px;padding:14px 16px;border-radius:var(--r-md);
  background:var(--mint);border-left:3px solid var(--green);
  font-size:14px;color:var(--ink-2);
}
.note-warn{border-left-color:var(--amber);background:#FBF3EC}

/* ---------- quick tips ---------- */
.tips-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
}
.tips-panel{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh1);
}
.tips-panel h3{margin-bottom:6px;color:var(--green)}
.tips-panel .panel-sub{font-size:14px;color:var(--ink-2)}
.tips-list{margin-top:18px;display:flex;flex-direction:column;gap:14px}
.tips-list li{display:flex;gap:14px;align-items:flex-start}
.tips-list .num{
  font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--red);
  flex:0 0 34px;height:34px;display:grid;place-items:center;
  background:#FCEFEE;border-radius:10px;
}
.tips-list .txt{font-size:15px;color:var(--ink-2)}
.tips-list .txt b{display:block;color:var(--ink);font-weight:600;margin-bottom:2px}

/* ---------- faq ---------- */
.faq-list{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:8px 26px;box-shadow:var(--sh1);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--green)}
.faq-q .sign{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);color:var(--green);font-weight:600;font-size:15px;
  display:grid;place-items:center;transition:.18s ease;
}
.faq-item.open .faq-q .sign{background:var(--green);border-color:var(--green);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a p{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:900px}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--green);color:#fff;border-radius:var(--r-lg);
  padding:44px 40px;box-shadow:var(--sh2);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band::before{
  content:"♠";position:absolute;right:24px;top:-40px;font-size:180px;
  color:#fff;opacity:.05;pointer-events:none;
}
.cta-band h2{font-size:26px;color:#fff}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.75);max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}

/* ---------- footer ---------- */
.site-footer{background:var(--green);color:rgba(255,255,255,.72);margin-top:80px}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:9px;color:#fff;font-weight:600;font-size:17px;margin-bottom:14px}
.site-footer .brand-mark{background:var(--red)}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72)}
.footer-title{color:#fff;font-weight:600;font-size:15px;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease,transform .18s ease;display:inline-block}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-contact b{color:#fff;font-weight:600;margin-right:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.62);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  h1{font-size:34px}
  .nav-menu{display:none}
  .search-box{display:none}
  .burger{display:block}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding:56px 0}
  .hero-art{max-width:520px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .card-grid{grid-template-columns:1fr}
  .tips-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:56px 0}
  .steps-band{padding:56px 0}
}
@media (max-width:768px){
  .container{padding:0 16px}
  h1{font-size:28px}
  h2{font-size:24px}
  .nav-tools .btn-ghost,.nav-tools .btn-primary{display:none}
  .hero-chip{left:0;bottom:-14px}
  .section{padding:40px 0}
  .steps-band{padding:40px 0}
  .steps{grid-template-columns:1fr;gap:20px}
  .step{padding-left:44px;padding-top:0;min-height:44px}
  .step::before{top:2px}
  .faq-list{padding:6px 18px}
  .cta-band{padding:32px 24px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 32px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:480px){
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .info-card{padding:20px}
}