/* roulang page: index */
:root{
  --brand-900:#0E4A41;
  --brand-700:#178F7A;
  --brand-500:#22B79A;
  --brand-300:#7FDFC6;
  --brand-100:#E4F7F1;
  --accent-600:#E85A2C;
  --accent-500:#FF7A45;
  --accent-100:#FFEDE5;
  --ink-900:#0F1B19;
  --ink-600:#4B5C58;
  --ink-400:#8A9995;
  --bg:#F6FAF8;
  --surface:#FFFFFF;
  --line:#E2EDE9;
  --grad-main:linear-gradient(135deg,#0E4A41 0%,#178F7A 48%,#3FD0AE 100%);
  --grad-soft:linear-gradient(120deg,#E4F7F1 0%,#FFF3EC 100%);
  --shadow-sm:0 2px 8px rgba(14,74,65,.06);
  --shadow-md:0 10px 28px rgba(14,74,65,.10);
  --shadow-lg:0 24px 56px rgba(14,74,65,.14);
  --radius-card:24px;
  --radius-sm:16px;
  --radius-pill:999px;
  --bs-primary:#178F7A;
  --bs-body-bg:#F6FAF8;
  --bs-body-color:#0F1B19;
  --bs-border-radius:16px;
  --bs-border-color:#E2EDE9;
  --bs-link-color:#178F7A;
  --bs-link-hover-color:#0E4A41;
  --bs-font-sans-serif:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;line-height:1.35;margin:0;color:var(--ink-900);}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
a{color:var(--brand-700);text-decoration:none;text-underline-offset:3px;transition:color .2s ease;}
a:hover{color:var(--brand-900);}
img{max-width:100%;height:auto;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(34,183,154,.35);border-radius:8px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;}
.section{padding:96px 0;}
.section-sm{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.04em;
  color:var(--brand-700);background:var(--brand-100);
  padding:7px 16px;border-radius:var(--radius-pill);margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500);}
.section-title{font-size:30px;margin-bottom:14px;}
.section-sub{font-size:16px;color:var(--ink-600);line-height:1.85;}
.tnum{font-variant-numeric:tabular-nums;}

/* ---------- buttons ---------- */
.btn{border-radius:var(--radius-pill);font-weight:700;min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 26px;border:1.5px solid transparent;transition:all .28s cubic-bezier(.2,.7,.3,1);font-size:15px;}
.btn:focus,.btn:active{box-shadow:none;}
.btn-brand{background:var(--grad-main);color:#fff;box-shadow:var(--shadow-sm);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-outline-brand{border-color:var(--brand-500);color:var(--brand-900);background:transparent;}
.btn-outline-brand:hover{background:var(--brand-100);color:var(--brand-900);border-color:var(--brand-700);}
.btn-ghost{background:rgba(255,255,255,.9);color:var(--ink-900);border-color:var(--line);}
.btn-ghost:hover{background:#fff;color:var(--brand-900);border-color:var(--brand-300);}
.btn-white{background:#fff;color:var(--brand-900);}
.btn-white:hover{background:#fff;color:var(--brand-900);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-outline-light-2{border:1.5px solid rgba(255,255,255,.7);color:#fff;background:transparent;}
.btn-outline-light-2:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn-block{width:100%;}
.btn-link-text{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--brand-700);}
.btn-link-text::after{content:"→";transition:transform .25s ease;}
.btn-link-text:hover::after{transform:translateX(4px);}

/* ---------- badges / tags ---------- */
.tag{display:inline-flex;align-items:center;padding:5px 14px;border-radius:var(--radius-pill);font-size:13px;font-weight:600;}
.tag-brand{background:var(--brand-100);color:var(--brand-700);}
.tag-time{background:#EEF2F1;color:var(--ink-600);}
.tag-accent{background:var(--accent-100);color:var(--accent-600);}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);}
.site-header.scrolled{box-shadow:var(--shadow-md);}
.nav-brandbar{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{width:44px;height:44px;border-radius:14px;background:var(--grad-main);display:flex;align-items:center;justify-content:center;color:#fff;flex:0 0 44px;box-shadow:var(--shadow-sm);}
.brand-mark svg{width:24px;height:24px;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:19px;font-weight:800;color:var(--ink-900);letter-spacing:-.02em;}
.brand-sub{font-size:12px;color:var(--ink-400);letter-spacing:.02em;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.menu-toggle{display:none;width:46px;height:46px;border-radius:14px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--ink-900);border-radius:2px;transition:.25s;}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-channelbar{border-top:1px solid var(--line);}
.nav-channels{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scrollbar-width:none;}
.nav-channels::-webkit-scrollbar{display:none;}
.channel{display:inline-flex;align-items:center;white-space:nowrap;padding:8px 18px;border-radius:var(--radius-pill);font-size:15px;font-weight:600;color:var(--ink-900);}
.channel:hover{background:var(--brand-100);color:var(--brand-900);}
.channel.active{background:var(--grad-main);color:#fff;box-shadow:var(--shadow-sm);}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:14px 0 20px;}
.mobile-panel.open{display:block;}
.mobile-panel a{display:flex;align-items:center;gap:10px;padding:13px 4px;font-size:16px;font-weight:600;color:var(--ink-900);border-bottom:1px solid var(--line);}
.mobile-panel a:last-of-type{border-bottom:0;}
.mobile-panel a i{width:8px;height:8px;border-radius:50%;background:var(--brand-300);display:inline-block;flex:0 0 8px;}
.mobile-panel a.active i{background:var(--brand-700);}
.mobile-panel .mobile-cta{display:flex;flex-direction:column;gap:10px;margin-top:16px;}

/* ---------- hero ---------- */
.hero{position:relative;color:#fff;overflow:hidden;background-color:var(--brand-900);}
.hero-bg{position:absolute;inset:0;background-image:linear-gradient(104deg,rgba(14,74,65,.95) 0%,rgba(23,143,122,.88) 46%,rgba(34,183,154,.48) 100%),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;}
.hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding:104px 0 96px;}
.hero h1{color:#fff;font-size:48px;line-height:1.24;margin-bottom:18px;}
.hero-sub{font-size:18px;color:rgba(255,255,255,.88);max-width:520px;margin-bottom:30px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--radius-pill);background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);font-size:13px;font-weight:600;color:#fff;}
.hero-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-300);}
.hero-card{background:#fff;border-radius:var(--radius-card);padding:18px;box-shadow:var(--shadow-lg);color:var(--ink-900);}
.hero-card img{border-radius:var(--radius-sm);width:100%;aspect-ratio:16/10;object-fit:cover;margin-bottom:16px;}
.hero-card-list li{display:flex;gap:10px;align-items:flex-start;padding:9px 0;font-size:15px;color:var(--ink-600);border-bottom:1px dashed var(--line);}
.hero-card-list li:last-child{border-bottom:0;}
.hero-card-list b{color:var(--ink-900);font-weight:700;}
.dot-check{width:20px;height:20px;flex:0 0 20px;border-radius:50%;background:var(--brand-100);color:var(--brand-700);display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;margin-top:3px;}

/* ---------- pain ---------- */
.pain-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;height:100%;transition:all .28s cubic-bezier(.2,.7,.3,1);}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.pain-q{width:48px;height:48px;border-radius:16px;background:var(--brand-100);color:var(--brand-700);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;margin-bottom:18px;}
.pain-card h3{font-size:19px;margin-bottom:8px;}
.pain-card p{font-size:15px;color:var(--ink-600);}

/* ---------- bento ---------- */
.bento-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:32px;height:100%;box-shadow:var(--shadow-sm);transition:all .28s cubic-bezier(.2,.7,.3,1);display:flex;flex-direction:column;}
.bento-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.bento-card.highlight{background:var(--grad-soft);border-color:var(--brand-300);}
.icon-badge{width:48px;height:48px;border-radius:16px;background:var(--grad-main);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;margin-bottom:20px;}
.icon-badge.soft{background:var(--brand-100);color:var(--brand-700);}
.bento-card h3{font-size:21px;margin-bottom:10px;}
.bento-card p{font-size:15px;color:var(--ink-600);}
.bento-points{margin:18px 0 20px;}
.bento-points li{position:relative;padding-left:20px;font-size:14px;color:var(--ink-600);padding-bottom:8px;}
.bento-points li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--brand-500);}
.bento-card .btn-link-text{margin-top:auto;}
.bento-media{border-radius:var(--radius-sm);overflow:hidden;margin-top:20px;}
.bento-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.bento-card:hover .bento-media img{transform:scale(1.03);}

/* ---------- stats ---------- */
.stats-band{background:var(--grad-main);color:#fff;padding:88px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:0 28px;border-right:1px solid rgba(255,255,255,.22);}
.stat:last-child{border-right:0;}
.stat-num{font-size:44px;font-weight:800;line-height:1.1;display:flex;align-items:baseline;gap:6px;}
.stat-num span{font-size:17px;font-weight:600;color:rgba(255,255,255,.82);}
.stat-label{font-size:13px;color:rgba(255,255,255,.82);margin-top:8px;}
.stats-note{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.22);font-size:13px;color:rgba(255,255,255,.78);}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:28px 24px;position:relative;box-shadow:var(--shadow-sm);}
.step-num{width:44px;height:44px;border-radius:50%;background:var(--grad-main);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;margin-bottom:18px;}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--ink-600);}
.step-line{position:absolute;left:0;right:0;top:50px;border-top:2px dashed var(--line);z-index:0;}

/* ---------- cms cards ---------- */
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;height:100%;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);transition:all .28s cubic-bezier(.2,.7,.3,1);}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.post-thumb{overflow:hidden;background:var(--brand-100);}
.post-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.post-meta{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap;}
.post-card h3{font-size:19px;margin-bottom:10px;}
.post-card h3 a{color:var(--ink-900);}
.post-card h3 a:hover{color:var(--brand-700);}
.post-summary{font-size:15px;color:var(--ink-600);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:18px;}
.post-card .btn-link-text{margin-top:auto;}
.empty-state{border:1px dashed var(--line);border-radius:var(--radius-card);background:#fff;padding:64px 24px;text-align:center;color:var(--ink-400);}
.empty-state svg{width:56px;height:56px;margin:0 auto 18px;stroke:var(--ink-400);}
.empty-state p{font-size:15px;margin-bottom:20px;}

/* ---------- lead form ---------- */
.lead-wrap{background:var(--grad-soft);border:1px solid var(--line);border-radius:32px;padding:48px;}
.form-card{background:#fff;border-radius:var(--radius-card);padding:32px;box-shadow:var(--shadow-md);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;color:var(--ink-900);}
.field label .req{color:var(--accent-600);margin-left:4px;}
.input,select.input,textarea.input{width:100%;min-height:48px;border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 16px;background:#fff;font-size:15px;transition:all .2s ease;}
textarea.input{min-height:110px;resize:vertical;}
.input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(34,183,154,.22);}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-600);}
.check-row input{width:18px;height:18px;margin-top:2px;accent-color:var(--brand-700);flex:0 0 18px;}
.lead-points li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;font-size:15px;color:rgba(15,27,25,.82);}

/* ---------- faq ---------- */
.faq .accordion-item{border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;margin-bottom:14px;overflow:hidden;position:relative;}
.faq .accordion-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-main);opacity:0;transition:opacity .3s ease;z-index:2;}
.faq .accordion-item:has(.accordion-button:not(.collapsed))::before{opacity:1;}
.faq .accordion-button{width:100%;text-align:left;border:0;background:transparent;padding:22px 26px;font-size:17px;font-weight:700;color:var(--ink-900);box-shadow:none;display:flex;justify-content:space-between;align-items:center;gap:16px;cursor:pointer;}
.faq .accordion-button:not(.collapsed){color:var(--brand-900);background:var(--grad-soft);}
.faq .accordion-button::after{content:"";flex:0 0 20px;width:20px;height:20px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23178F7A' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center;background-size:20px;transition:transform .3s ease;}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.faq .accordion-body{padding:6px 26px 24px;font-size:15px;color:var(--ink-600);line-height:1.9;}

/* ---------- privacy ---------- */
.privacy{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:40px;}
.privacy h2{font-size:22px;margin-bottom:14px;}
.privacy p{font-size:14px;color:var(--ink-600);line-height:1.9;}
.privacy-links{display:flex;flex-wrap:wrap;gap:20px;margin-top:18px;font-size:14px;}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.82);margin-top:0;}
.footer-top-line{height:4px;background:var(--grad-main);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:72px 0 40px;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px;font-weight:700;}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);}
.footer-brand .brand-name{color:#fff;font-size:18px;font-weight:800;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.78);}
.footer-links a:hover{color:var(--brand-300);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:22px 0 34px;font-size:13px;color:rgba(255,255,255,.6);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;}
.footer-bottom a{color:rgba(255,255,255,.72);}

/* ---------- modal ---------- */
.modal-content{border:0;border-radius:28px;overflow:hidden;box-shadow:var(--shadow-lg);}
.modal-content::before{content:"";display:block;height:6px;background:var(--grad-main);}
.modal-header{border-bottom:1px solid var(--line);padding:22px 28px;}
.modal-title{font-size:20px;font-weight:800;}
.modal-body{padding:26px 28px 30px;}
.modal-footer{border-top:0;padding:0 28px 28px;}
.btn-close-round{width:38px;height:38px;border-radius:50%;background:var(--brand-100);border:0;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--brand-900);font-size:16px;line-height:1;margin-left:auto;transition:background .2s;}
.btn-close-round:hover{background:var(--brand-300);}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero h1{font-size:42px;}
  .hero-inner{gap:40px;padding:88px 0 80px;}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;row-gap:36px;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .section-sm{padding:56px 0;}
  .hero-inner{grid-template-columns:1fr;padding:72px 0 64px;}
  .hero h1{font-size:36px;}
  .hero-card{max-width:520px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step-line{display:none;}
  .stats-grid{grid-template-columns:repeat(2,1fr);row-gap:34px;}
  .stat{border-right:0;border-bottom:1px solid rgba(255,255,255,.18);padding:0 0 24px;}
  .stat:nth-child(odd){padding-right:20px;}
  .stat:last-child{border-bottom:0;}
  .nav-actions .btn{display:none;}
  .menu-toggle{display:flex;}
  .lead-wrap{padding:32px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);padding:56px 0 32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding-left:20px;padding-right:20px;}
  .section{padding:60px 0;}
  .section-title{font-size:24px;}
  .hero h1{font-size:31px;}
  .hero-sub{font-size:16px;}
  .hero-cta .btn{width:100%;}
  .stats-band{padding:60px 0;}
  .stat-num{font-size:34px;}
  .step{padding:24px 20px;}
  .bento-card{padding:26px;}
  .privacy{padding:26px;}
  .form-card{padding:24px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .steps{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr;}
  .stat{padding-right:0 !important;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .brand-sub{display:none;}
  .pain-card{padding:22px;}
  .lead-wrap{padding:22px;border-radius:24px;}
}

/* roulang page: article */
:root{
  --brand-900:#0E4A41;--brand-700:#178F7A;--brand-500:#22B79A;--brand-300:#7FDFC6;--brand-100:#E4F7F1;
  --accent-600:#E85A2C;--accent-500:#FF7A45;--accent-100:#FFEDE5;
  --ink-900:#0F1B19;--ink-600:#4B5C58;--ink-400:#8A9995;
  --bg:#F6FAF8;--surface:#FFFFFF;--line:#E2EDE9;
  --grad:linear-gradient(135deg,#0E4A41 0%,#178F7A 48%,#3FD0AE 100%);
  --soft:linear-gradient(120deg,#E4F7F1 0%,#FFF3EC 100%);
  --r-lg:24px;--r-md:16px;--r-pill:999px;
  --shadow-sm:0 2px 8px rgba(14,74,65,.06);
  --shadow-md:0 10px 28px rgba(14,74,65,.10);
  --shadow-lg:0 24px 56px rgba(14,74,65,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#178F7A;--bs-body-bg:#F6FAF8;--bs-body-color:#0F1B19;
  --bs-border-radius:16px;--bs-link-color:#178F7A;--bs-link-hover-color:#0E4A41;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--ink-900);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;line-height:1.8;font-weight:400;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-700);text-decoration:none;text-underline-offset:3px;transition:color .24s var(--ease);}
a:hover{color:var(--brand-900);}
h1,h2,h3,h4,h5{font-weight:800;letter-spacing:-.02em;color:var(--ink-900);margin:0;}
p{margin:0 0 18px;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(34,183,154,.35);border-radius:8px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-outline-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--r-pill);font-size:15px;font-weight:700;
  border:0;cursor:pointer;transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease),color .28s var(--ease);
  white-space:nowrap;line-height:1;
}
.btn-brand{background:var(--grad);color:#fff;box-shadow:var(--shadow-sm);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-outline-brand{background:transparent;color:var(--brand-700);border:1.5px solid var(--brand-500);}
.btn-outline-brand:hover{background:var(--brand-100);color:var(--brand-900);}
.btn-ghost{background:var(--brand-100);color:var(--brand-900);}
.btn-ghost:hover{background:#d5f1e8;color:var(--brand-900);}
.btn-brand[disabled],.btn-outline-brand[disabled],.btn-ghost[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:1040;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);}
.site-header.scrolled{box-shadow:var(--shadow-md);}
.nav-brandbar{border-bottom:1px solid transparent;}
.nav-brandbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:44px;height:44px;border-radius:14px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;flex:0 0 44px;box-shadow:var(--shadow-sm);
}
.brand-mark svg{width:24px;height:24px;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:19px;font-weight:800;color:var(--ink-900);letter-spacing:-.02em;}
.brand-sub{font-size:12.5px;color:var(--ink-400);font-weight:400;}
.brand-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;color:var(--ink-900);font-size:20px;cursor:pointer;
}
.nav-channelbar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;}
.nav-channels{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;padding:8px 0;}
.nav-channels::-webkit-scrollbar{display:none;}
.channel{
  display:inline-flex;align-items:center;min-height:38px;padding:0 18px;border-radius:var(--r-pill);
  font-size:15px;color:var(--ink-900);font-weight:600;white-space:nowrap;transition:background .24s var(--ease),color .24s var(--ease);
}
.channel:hover{background:var(--brand-100);color:var(--brand-900);}
.channel.active{background:var(--grad);color:#fff;box-shadow:var(--shadow-sm);}
.mobile-panel{display:none;border-bottom:1px solid var(--line);background:#fff;}
.mobile-panel.open{display:block;}
.mobile-panel ul{padding:10px 0 16px;}
.mobile-panel li{position:relative;padding-left:18px;}
.mobile-panel li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:8px;height:8px;border-radius:3px;background:var(--brand-300);}
.mobile-panel a{display:block;padding:11px 0;font-size:16px;color:var(--ink-900);font-weight:600;}

/* ---------- 面包屑与文章头 ---------- */
.article-hero{background:var(--soft);border-bottom:1px solid var(--line);padding:36px 0 44px;}
.breadcrumb-nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-600);margin-bottom:20px;}
.breadcrumb-nav a{color:var(--ink-600);font-weight:500;}
.breadcrumb-nav a:hover{color:var(--brand-700);}
.breadcrumb-nav .sep{color:var(--ink-400);}
.breadcrumb-nav .current{color:var(--ink-900);font-weight:600;}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:var(--r-pill);
  background:var(--brand-100);color:var(--brand-700);font-size:13px;font-weight:700;
}
.article-hero h1{font-size:36px;line-height:1.34;margin:18px 0 20px;max-width:900px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--ink-600);}
.meta-pill{
  display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--ink-600);
}
.meta-pill i{color:var(--brand-500);}
.meta-dot{width:5px;height:5px;border-radius:50%;background:var(--line);}

/* ---------- 布局 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.row-gutter{--bs-gutter-x:24px;--bs-gutter-y:24px;}

/* ---------- 正文 ---------- */
.reading-col{max-width:820px;}
.article-body{font-size:17px;line-height:1.9;color:#28332F;}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 20px;}
.article-body h2{
  position:relative;font-size:30px;line-height:1.4;margin:44px 0 18px;padding-left:18px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;width:4px;height:20px;border-radius:4px;background:var(--grad);
}
.article-body h3{font-size:22px;line-height:1.45;margin:32px 0 14px;font-weight:700;}
.article-body h4{font-size:19px;margin:26px 0 12px;font-weight:700;}
.article-body strong{font-weight:700;color:var(--brand-900);}
.article-body a{border-bottom:1px solid var(--brand-300);}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:4px;}
.article-body li{position:relative;padding-left:22px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.78em;width:8px;height:8px;border-radius:2px;background:var(--brand-500);
}
.article-body ol{counter-reset:olc;}
.article-body ol li{counter-increment:olc;}
.article-body ol li::before{
  content:counter(olc);position:absolute;left:0;top:.28em;width:18px;height:18px;border-radius:6px;
  background:var(--brand-100);color:var(--brand-700);font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:24px 0;padding:18px 24px;border-left:3px solid var(--brand-500);background:var(--brand-100);
  border-radius:16px;color:var(--brand-900);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:24px auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-400);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;border:1px solid var(--line);
  border-radius:16px;overflow:hidden;font-size:15.5px;display:block;overflow-x:auto;
}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);}
.article-body th{background:var(--brand-100);color:var(--brand-900);font-weight:700;}
.article-body tr:nth-child(even) td{background:var(--bg);}
.article-body tr:last-child td{border-bottom:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

/* ---------- 空态 ---------- */
.empty-article{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);padding:56px 28px;text-align:center;
}
.empty-article .empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;background:var(--bg);color:var(--ink-400);
  display:flex;align-items:center;justify-content:center;font-size:26px;
}
.empty-article h2{font-size:22px;margin-bottom:10px;}
.empty-article p{color:var(--ink-600);margin-bottom:22px;}

/* ---------- 侧栏 ---------- */
.side-sticky{position:sticky;top:150px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-sm);
  margin-bottom:20px;
}
.side-card h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--brand-500);}
.side-list li{display:flex;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--ink-600);}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list li i{color:var(--brand-500);margin-top:4px;font-size:13px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;padding:11px 14px;border-radius:14px;
  background:var(--bg);color:var(--ink-900);font-size:14.5px;font-weight:600;margin-bottom:8px;
  transition:background .24s var(--ease),transform .24s var(--ease);
}
.side-links a:last-child{margin-bottom:0;}
.side-links a:hover{background:var(--brand-100);color:var(--brand-900);transform:translateX(3px);}
.side-cta{background:var(--soft);border:1px solid var(--line);}
.side-cta p{font-size:14px;color:var(--ink-600);margin-bottom:16px;}

/* ---------- 标签与分享 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 0;}
.tag-pill{
  display:inline-flex;align-items:center;padding:6px 16px;border-radius:var(--r-pill);
  background:var(--brand-100);color:var(--brand-700);font-size:13.5px;font-weight:600;
  transition:background .24s var(--ease),color .24s var(--ease);
}
.tag-pill:hover{background:var(--brand-500);color:#fff;}
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:24px;padding-top:24px;border-top:1px solid var(--line);}
.share-row .label{font-size:14px;color:var(--ink-400);}
.share-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink-600);
  display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:16px;
  transition:background .24s var(--ease),color .24s var(--ease),transform .24s var(--ease);
}
.share-btn:hover{background:var(--brand-100);color:var(--brand-900);transform:translateY(-2px);}

/* ---------- 上一篇下一篇 ---------- */
.postnav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:40px;}
.postnav-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 24px;
  box-shadow:var(--shadow-sm);transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.postnav-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-300);}
.postnav-label{display:block;font-size:13px;color:var(--ink-400);margin-bottom:8px;}
.postnav-title{display:block;font-size:17px;font-weight:700;color:var(--ink-900);line-height:1.5;}

/* ---------- 相关推荐 ---------- */
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.related-head h2{font-size:30px;}
.related-head .sub{font-size:15px;color:var(--ink-600);margin-top:6px;}
.card-post{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;height:100%;
  box-shadow:var(--shadow-sm);transition:transform .28s var(--ease),box-shadow .28s var(--ease);
  display:flex;flex-direction:column;
}
.card-post:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.card-post .thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--brand-100);}
.card-post .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.card-post:hover .thumb img{transform:scale(1.03);}
.card-post .body{padding:22px;display:flex;flex-direction:column;flex:1;}
.card-post .tagline{display:inline-flex;align-self:flex-start;padding:4px 12px;border-radius:var(--r-pill);background:var(--brand-100);color:var(--brand-700);font-size:12.5px;font-weight:700;margin-bottom:12px;}
.card-post h3{font-size:18px;line-height:1.5;margin-bottom:10px;}
.card-post h3 a{color:var(--ink-900);}
.card-post h3 a:hover{color:var(--brand-700);}
.card-post .desc{font-size:14.5px;color:var(--ink-600);line-height:1.75;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-post .meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-400);}
.time-pill{display:inline-flex;padding:3px 12px;border-radius:var(--r-pill);background:#F1F4F3;color:var(--ink-600);font-size:12.5px;}

/* ---------- 转化区 ---------- */
.cta-band{background:var(--grad);border-radius:28px;padding:52px 44px;color:#fff;position:relative;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.10);
}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.86);max-width:640px;margin-bottom:26px;font-size:16px;}
.cta-band .btn-white{
  display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 26px;border-radius:var(--r-pill);
  background:#fff;color:var(--brand-900);font-weight:700;border:0;cursor:pointer;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.cta-band .btn-white:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);color:var(--brand-900);}
.cta-band .btn-line{
  display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 26px;border-radius:var(--r-pill);
  background:transparent;color:#fff;font-weight:700;border:1.5px solid rgba(255,255,255,.7);
  transition:background .28s var(--ease);
}
.cta-band .btn-line:hover{background:rgba(255,255,255,.16);color:#fff;}
.back-home{margin-top:40px;text-align:center;}

/* ---------- 弹窗表单 ---------- */
.modal-content{border:0;border-radius:28px;overflow:hidden;box-shadow:var(--shadow-lg);}
.modal-topline{height:6px;background:var(--grad);}
.modal-body{padding:32px;}
.modal-body h2{font-size:24px;margin-bottom:8px;}
.modal-body .lead-text{font-size:14.5px;color:var(--ink-600);margin-bottom:22px;}
.modal-close{
  position:absolute;right:18px;top:20px;width:38px;height:38px;border-radius:50%;background:var(--bg);
  border:0;color:var(--ink-600);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:16px;
  transition:background .24s var(--ease);
}
.modal-close:hover{background:var(--brand-100);color:var(--brand-900);}
.form-label{font-size:14px;font-weight:600;color:var(--ink-900);margin-bottom:8px;display:block;}
.form-label .req{color:var(--accent-600);margin-left:2px;}
.form-control,.form-select{
  width:100%;min-height:48px;border-radius:16px;border:1px solid var(--line);background:#fff;
  padding:10px 16px;font-size:15px;color:var(--ink-900);transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
textarea.form-control{min-height:110px;resize:vertical;padding-top:12px;}
.form-control:focus,.form-select:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(34,183,154,.25);}
.form-check-input{width:18px;height:18px;border-color:var(--line);margin-top:3px;}
.form-check-input:checked{background-color:var(--brand-500);border-color:var(--brand-500);}
.form-check-label{font-size:14px;color:var(--ink-600);}
.submit-row{margin-top:22px;}
.submit-row .btn-brand{width:100%;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);margin-top:96px;}
.footer-top-line{height:4px;background:linear-gradient(90deg,#0E4A41 0%,#178F7A 45%,#3FD0AE 100%);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);box-shadow:none;}
.footer-brand .brand-name{color:#fff;font-size:19px;font-weight:800;}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);margin:0;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:rgba(255,255,255,.78);font-size:14.5px;}
.footer-links a:hover{color:var(--brand-300);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:22px 0 32px;display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-hero h1{font-size:32px;}
  .article-body h2{font-size:26px;}
  .related-head h2,.cta-band h2{font-size:26px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .brand-actions{display:none;}
  .nav-toggle{display:inline-flex;}
  .article-hero{padding:28px 0 36px;}
  .article-hero h1{font-size:28px;}
  .side-sticky{position:static;margin-top:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
  .cta-band{padding:40px 28px;border-radius:24px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding-left:20px;padding-right:20px;}
  .section{padding:56px 0;}
  .article-hero h1{font-size:24px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:22px;margin-top:34px;}
  .article-body h3{font-size:19px;}
  .postnav{grid-template-columns:1fr;}
  .related-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .related-head h2{font-size:22px;}
  .cta-band h2{font-size:23px;}
  .modal-body{padding:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .brand-sub{display:none;}
  .brand-name{font-size:17px;}
  .badge-cat{font-size:12px;}
  .article-hero h1{font-size:22px;}
  .meta-pill{font-size:12.5px;padding:4px 12px;}
}

/* roulang page: category1 */
:root{
  --brand-900:#0E4A41;--brand-700:#178F7A;--brand-500:#22B79A;--brand-300:#7FDFC6;--brand-100:#E4F7F1;
  --accent-600:#E85A2C;--accent-500:#FF7A45;--accent-100:#FFEDE5;
  --ink-900:#0F1B19;--ink-600:#4B5C58;--ink-400:#8A9995;
  --bg:#F6FAF8;--surface:#FFFFFF;--line:#E2EDE9;
  --grad:linear-gradient(135deg,#0E4A41 0%,#178F7A 48%,#3FD0AE 100%);
  --grad-soft:linear-gradient(120deg,#E4F7F1 0%,#FFF3EC 100%);
  --shadow-sm:0 2px 8px rgba(14,74,65,.06);
  --shadow-md:0 10px 28px rgba(14,74,65,.10);
  --shadow-lg:0 24px 56px rgba(14,74,65,.14);
  --radius:24px;--radius-sm:16px;--radius-xs:12px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#178F7A;--bs-primary-rgb:23,143,122;--bs-body-bg:#F6FAF8;--bs-body-color:#0F1B19;
  --bs-border-color:#E2EDE9;--bs-border-radius:16px;--bs-link-color:#178F7A;--bs-link-hover-color:#0E4A41;
  --bs-font-sans-serif:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;line-height:1.85;color:var(--ink-900);background:var(--bg);
  font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-900)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(34,183,154,.35);border-radius:10px}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.35;color:var(--ink-900)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.bg-soft{background:var(--grad-soft)}
.bg-white{background:var(--surface)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .28s var(--ease)}
.site-header.is-stuck{box-shadow:var(--shadow-md)}
.nav-brandbar{border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink-900)}
.brand:hover{color:var(--ink-900)}
.brand-mark{width:44px;height:44px;flex:0 0 44px;border-radius:14px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:var(--shadow-sm)}
.brand-mark svg{width:24px;height:24px}
.brand-name{display:block;font-size:20px;font-weight:800;letter-spacing:-.02em}
.brand-sub{display:block;font-size:13px;color:var(--ink-400);line-height:1.5;letter-spacing:0}
.brand-actions{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;
  padding:11px 24px;border-radius:999px;font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;transition:all .28s var(--ease);white-space:nowrap}
.btn-brand{background:var(--grad);color:#fff;box-shadow:var(--shadow-sm)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-outline-brand{background:transparent;border-color:var(--brand-500);color:var(--brand-700)}
.btn-outline-brand:hover{background:var(--brand-100);color:var(--brand-900)}
.btn-ghost{background:var(--brand-100);color:var(--ink-900)}
.btn-ghost:hover{background:var(--brand-300);color:var(--ink-900)}
.btn-block{width:100%}
.btn:disabled,.btn.disabled{opacity:.45;pointer-events:none}
.nav-toggle{display:none;width:44px;height:44px;border-radius:14px;border:1.5px solid var(--line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;
  background:var(--ink-900);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.nav-channelbar{background:#fff}
.nav-channels{display:flex;align-items:center;gap:8px;min-height:48px;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none}
.nav-channels::-webkit-scrollbar{display:none}
.channel{padding:8px 18px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-600);white-space:nowrap;
  transition:all .24s var(--ease)}
.channel:hover{background:var(--brand-100);color:var(--brand-900)}
.channel.active{background:var(--grad);color:#fff;box-shadow:var(--shadow-sm)}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff}
.mobile-panel.open{display:block}
.mobile-panel .container{padding-top:12px;padding-bottom:16px}
.mobile-panel a{display:flex;align-items:center;gap:10px;padding:12px 4px;font-size:16px;font-weight:600;
  color:var(--ink-900);border-bottom:1px solid var(--line)}
.mobile-panel a:last-child{border-bottom:none}
.mobile-panel a::before{content:"";width:8px;height:8px;border-radius:3px;background:var(--brand-300);flex:0 0 8px}
.mobile-panel a.active{color:var(--brand-700)}
.mobile-panel a.active::before{background:var(--brand-700)}

/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;color:#fff;
  background-image:url("/assets/images/backpic/back-1.webp");background-size:cover;background-position:center}
.page-hero::before{content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(14,74,65,.94) 0%,rgba(23,143,122,.86) 52%,rgba(63,208,174,.55) 100%)}
.page-hero .container{position:relative;z-index:2;padding-top:78px;padding-bottom:78px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.8);margin-bottom:18px}
.crumb a{color:rgba(255,255,255,.9)}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.55}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.32);font-size:13px;font-weight:600;
  color:#fff;margin-bottom:20px}
.hero-title{font-size:36px;font-weight:800;color:#fff;max-width:820px;letter-spacing:-.02em}
.hero-lead{margin-top:20px;max-width:680px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.88)}
.hero-stats{margin-top:34px;display:flex;flex-wrap:wrap;gap:16px}
.hero-stat{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);border-radius:20px;
  padding:16px 24px;min-width:180px}
.hero-stat b{display:block;font-size:34px;font-weight:800;line-height:1.1;color:#fff}
.hero-stat b small{font-size:15px;font-weight:600;margin-left:4px}
.hero-stat span{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.82)}

/* ---------- section head ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-700);
  letter-spacing:.04em;text-transform:none;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad)}
.section-title{font-size:30px}
.section-desc{margin-top:16px;max-width:760px;color:var(--ink-600);font-size:16px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px}

/* ---------- step rows ---------- */
.step-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:44px 0}
.step-row + .step-row{border-top:1px dashed var(--line)}
.step-row.reverse .step-figure{order:-1}
.step-num{width:52px;height:52px;border-radius:50%;background:var(--grad);color:#fff;font-size:19px;font-weight:800;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);margin-bottom:18px}
.step-title{font-size:22px}
.step-text{margin-top:14px;color:var(--ink-600);font-size:16px}
.point-list{margin-top:22px;display:grid;gap:12px}
.point-list li{position:relative;padding-left:22px;color:var(--ink-600);font-size:15.5px}
.point-list li::before{content:"";position:absolute;left:0;top:11px;width:9px;height:9px;border-radius:3px;
  background:var(--brand-500)}
.step-figure{position:relative}
.step-figure img{border-radius:var(--radius);box-shadow:var(--shadow-md);aspect-ratio:16/10;object-fit:cover;width:100%}
.step-figure::after{content:"";position:absolute;inset:auto -14px -14px auto;width:120px;height:120px;
  border-radius:28px;background:var(--grad-soft);z-index:-1}
.step-note{margin-top:16px;display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-900);font-size:13px;font-weight:600}

/* ---------- timeline ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:12px}
.timeline::before{content:"";position:absolute;left:6%;right:6%;top:26px;border-top:2px dashed var(--brand-300);z-index:0}
.tl-item{position:relative;z-index:1;text-align:center;padding:0 6px}
.tl-dot{width:54px;height:54px;margin:0 auto 18px;border-radius:50%;background:#fff;border:2px solid var(--brand-300);
  color:var(--brand-700);font-weight:800;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-sm);font-size:16px}
.tl-item h3{font-size:18px}
.tl-item p{margin-top:10px;color:var(--ink-600);font-size:14.5px;line-height:1.75}

/* ---------- cards ---------- */
.card-soft{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  box-shadow:var(--shadow-sm);transition:transform .28s var(--ease),box-shadow .28s var(--ease)}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.icon-badge{width:48px;height:48px;border-radius:16px;background:var(--brand-100);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.icon-badge--grad{background:var(--grad);color:#fff}
.icon-badge svg{width:24px;height:24px}
.tag{display:inline-flex;align-items:center;padding:5px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:var(--brand-100);color:var(--brand-700)}
.tag-gray{background:#EEF2F1;color:var(--ink-600)}

/* ---------- faq ---------- */
.faq-head{text-align:center;max-width:680px;margin:0 auto 40px}
.accordion{--bs-accordion-border-color:transparent;--bs-accordion-bg:#fff;--bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-btn-color:#0F1B19;--bs-accordion-active-color:#0E4A41;--bs-accordion-active-bg:#fff;
  --bs-accordion-border-radius:24px;--bs-accordion-inner-border-radius:24px}
.accordion-item{border:1px solid var(--line)!important;border-radius:var(--radius)!important;overflow:hidden;
  box-shadow:var(--shadow-sm);margin-bottom:14px;background:#fff;position:relative}
.accordion-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);
  opacity:0;transition:opacity .28s var(--ease)}
.accordion-item:has(.accordion-button:not(.collapsed))::before{opacity:1}
.accordion-button{font-size:17px;font-weight:700;padding:24px 26px;background:#fff;line-height:1.6}
.accordion-button:not(.collapsed){box-shadow:none;color:var(--brand-900)}
.accordion-button::after{width:14px;height:14px;background-size:14px;transition:transform .28s var(--ease);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23178F7A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 6l5 5 5-5'/%3E%3C/svg%3E")}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.accordion-body{padding:0 26px 26px;color:var(--ink-600);font-size:15.5px;line-height:1.9}

/* ---------- cta / form ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--grad);color:#fff;border-radius:32px;padding:56px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;box-shadow:var(--shadow-lg)}
.cta-band h2{color:#fff;font-size:30px}
.cta-band p{margin-top:16px;color:rgba(255,255,255,.88);font-size:16px}
.cta-points{margin-top:24px;display:grid;gap:10px}
.cta-points li{position:relative;padding-left:22px;font-size:15px;color:rgba(255,255,255,.9)}
.cta-points li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:3px;
  background:var(--brand-300)}
.lead-card{background:#fff;border-radius:var(--radius);padding:32px;color:var(--ink-900);box-shadow:var(--shadow-lg)}
.lead-card h3{font-size:20px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:22px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600;color:var(--ink-900)}
.field label .req{color:var(--accent-600);margin-left:2px}
.form-control,.form-select{min-height:48px;border-radius:var(--radius-sm);border:1px solid var(--line);
  font-size:15px;padding:11px 16px;color:var(--ink-900);background:#fff;transition:border-color .24s var(--ease),box-shadow .24s var(--ease)}
.form-control:focus,.form-select:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(34,183,154,.28);outline:none}
textarea.form-control{min-height:104px;resize:vertical;line-height:1.75}
.check-row{display:flex;align-items:flex-start;gap:10px;margin-top:18px;font-size:14px;color:var(--ink-600)}
.check-row input{margin-top:5px;width:18px;height:18px;accent-color:var(--brand-700)}
.check-row a{text-decoration:underline;text-underline-offset:3px}
.form-hint{margin-top:14px;font-size:13px;color:var(--ink-400)}

/* ---------- modal ---------- */
.modal-content{border:none;border-radius:28px;overflow:hidden;box-shadow:var(--shadow-lg)}
.modal-top-line{height:6px;background:var(--grad)}
.modal-body{padding:32px}
.modal-title{font-size:22px;font-weight:800}
.modal-close{width:38px;height:38px;border-radius:50%;background:var(--brand-100);border:none;color:var(--brand-900);
  display:flex;align-items:center;justify-content:center;font-size:18px;line-height:1;transition:all .24s var(--ease)}
.modal-close:hover{background:var(--brand-300)}

/* ---------- footer ---------- */
.site-footer{margin-top:96px;background:var(--brand-900);color:rgba(255,255,255,.82);position:relative}
.footer-top-line{height:4px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;color:#fff}
.footer-brand .brand-mark{width:40px;height:40px;flex:0 0 40px;border-radius:13px;background:rgba(255,255,255,.14);
  box-shadow:none}
.footer-brand .brand-name{font-size:18px;font-weight:800}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72)}
.footer-links li{margin-bottom:11px}
.footer-links a{color:rgba(255,255,255,.78);font-size:14.5px;text-decoration:none}
.footer-links a:hover{color:var(--brand-300)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:22px 0 32px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:rgba(255,255,255,.62)}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .hero-title{font-size:32px}
  .cta-band{grid-template-columns:1fr;gap:36px;padding:44px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .step-row{grid-template-columns:1fr;gap:28px;padding:36px 0}
  .step-row.reverse .step-figure{order:0}
  .timeline{grid-template-columns:1fr 1fr;gap:28px}
  .timeline::before{display:none}
  .brand-actions{display:none}
  .nav-toggle{display:flex}
  .section-title{font-size:26px}
  .hero-title{font-size:28px}
}
@media (max-width:767.98px){
  .container{padding:0 20px}
  .section{padding:60px 0}
  .section--tight{padding:52px 0}
  .page-hero .container{padding-top:56px;padding-bottom:56px}
  .hero-title{font-size:26px}
  .hero-stat{min-width:140px;padding:14px 18px}
  .hero-stat b{font-size:28px}
  .form-grid{grid-template-columns:1fr}
  .lead-card{padding:24px}
  .cta-band{padding:32px;border-radius:24px}
  .cta-band h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 32px}
  .step-figure::after{display:none}
  .timeline{grid-template-columns:1fr}
  .step-title{font-size:20px}
  .step-num{width:46px;height:46px;font-size:17px}
  .brand-sub{display:none}
  .accordion-button{font-size:16px;padding:20px 20px}
  .accordion-body{padding:0 20px 22px}
  .modal-body{padding:24px}
}

/* roulang page: category2 */
:root{
  --brand-900:#0E4A41;
  --brand-700:#178F7A;
  --brand-500:#22B79A;
  --brand-300:#7FDFC6;
  --brand-100:#E4F7F1;
  --accent-600:#E85A2C;
  --accent-500:#FF7A45;
  --accent-100:#FFEDE5;
  --ink-900:#0F1B19;
  --ink-600:#4B5C58;
  --ink-400:#8A9995;
  --bg:#F6FAF8;
  --surface:#FFFFFF;
  --line:#E2EDE9;
  --grad-brand:linear-gradient(135deg,#0E4A41 0%,#178F7A 48%,#3FD0AE 100%);
  --grad-soft:linear-gradient(120deg,#E4F7F1 0%,#FFF3EC 100%);
  --shadow-sm:0 2px 8px rgba(14,74,65,.06);
  --shadow-md:0 10px 28px rgba(14,74,65,.10);
  --shadow-lg:0 24px 56px rgba(14,74,65,.14);
  --r-card:24px;
  --r-sm:16px;
  --r-pill:999px;
  --t:.28s cubic-bezier(.2,.7,.3,1);
  --bs-primary:#178F7A;
  --bs-body-bg:#F6FAF8;
  --bs-body-color:#0F1B19;
  --bs-border-radius:16px;
  --bs-border-color:#E2EDE9;
  --bs-font-sans-serif:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--ink-900);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;text-underline-offset:3px;transition:color var(--t);}
a:hover{color:var(--brand-900);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.32;color:var(--ink-900);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(34,183,154,.35);border-radius:6px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%;}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.96);backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line);transition:box-shadow var(--t);}
.site-header.is-scrolled{box-shadow:var(--shadow-md);}
.nav-brandbar{height:72px;display:flex;align-items:center;}
.nav-brandbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink-900);}
.brand:hover{color:var(--ink-900);}
.brand-mark{width:44px;height:44px;flex:0 0 44px;border-radius:14px;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:var(--shadow-sm);}
.brand-mark svg{width:24px;height:24px;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:19px;font-weight:800;letter-spacing:-.02em;}
.brand-sub{font-size:12.5px;color:var(--ink-400);font-weight:400;}
.brand-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{display:none;width:46px;height:46px;border:1px solid var(--line);background:var(--surface);border-radius:14px;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0;}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform var(--t),opacity var(--t);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-channelbar{height:48px;display:flex;align-items:center;border-top:1px solid var(--line);}
.nav-channels{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.nav-channels::-webkit-scrollbar{display:none;}
.channel{padding:8px 18px;border-radius:var(--r-pill);font-size:15px;color:var(--ink-600);white-space:nowrap;transition:background var(--t),color var(--t);}
.channel:hover{background:var(--brand-100);color:var(--brand-900);}
.channel.active{background:var(--grad-brand);color:#fff;font-weight:600;box-shadow:var(--shadow-sm);}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--surface);padding:14px 0 20px;}
.mobile-panel.is-open{display:block;}
.mobile-panel a.m-link{display:flex;align-items:center;gap:10px;padding:12px 4px;font-size:16px;color:var(--ink-900);border-bottom:1px dashed var(--line);}
.mobile-panel a.m-link .dot{width:8px;height:8px;border-radius:50%;background:var(--brand-500);flex:0 0 8px;}
.mobile-panel a.m-link.active{color:var(--brand-700);font-weight:700;}
.mobile-panel .m-actions{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap;}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:11px 24px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);}
.btn-brand{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-sm);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-outline-brand{background:transparent;border-color:var(--brand-500);color:var(--brand-700);}
.btn-outline-brand:hover{background:var(--brand-100);color:var(--brand-900);transform:translateY(-2px);}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink-900);}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-900);border-color:var(--brand-300);}
.btn-light-line{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.55);color:#fff;}
.btn-light-line:hover{background:rgba(255,255,255,.24);color:#fff;}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ============ 标签与徽章 ============ */
.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:var(--r-pill);font-size:13px;font-weight:600;}
.pill-brand{background:var(--brand-100);color:var(--brand-700);}
.pill-time{background:#EEF2F1;color:var(--ink-600);font-weight:500;}
.pill-glass{background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.4);color:#fff;}

/* ============ 内页 Hero ============ */
.hero-sub{
  position:relative;
  padding:56px 0 60px;
  border-radius:0 0 32px 32px;
  overflow:hidden;
  color:#fff;
  background-image:linear-gradient(96deg,rgba(14,74,65,.94) 0%,rgba(23,143,122,.82) 54%,rgba(63,208,174,.56) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
}
.hero-sub .container{position:relative;z-index:2;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:18px;flex-wrap:wrap;}
.crumbs a{color:rgba(255,255,255,.88);}
.crumbs a:hover{color:#fff;}
.crumbs .sep{opacity:.6;}
.hero-sub h1{font-size:36px;color:#fff;max-width:820px;letter-spacing:-.02em;}
.hero-sub .lead{max-width:720px;margin-top:16px;font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.9);}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-metric{margin-top:26px;display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.32);border-radius:20px;padding:14px 20px;max-width:520px;}
.hero-metric .num{font-size:32px;font-weight:800;line-height:1;color:#fff;}
.hero-metric .txt{font-size:13.5px;color:rgba(255,255,255,.86);line-height:1.6;}

/* ============ 板块通用 ============ */
.section{padding:92px 0;}
.section.tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-700);background:var(--brand-100);padding:5px 14px;border-radius:var(--r-pill);margin-bottom:16px;}
.section-head h2{font-size:30px;}
.section-head p{margin-top:14px;color:var(--ink-600);font-size:16.5px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ============ 标签墙 ============ */
.tag-wall{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px;}
.tag-chip{border:1.5px solid var(--line);background:var(--surface);color:var(--ink-600);padding:9px 20px;border-radius:var(--r-pill);font-size:14.5px;font-weight:600;cursor:pointer;transition:all var(--t);}
.tag-chip:hover{border-color:var(--brand-300);color:var(--brand-900);background:var(--brand-100);}
.tag-chip.active{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:var(--shadow-sm);}

/* ============ 不等高卡片流（多列） ============ */
.knowledge-flow{columns:2;column-gap:24px;}
.k-card{
  break-inside:avoid;
  margin-bottom:24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.k-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-300);}
.k-card.is-hidden{display:none;}
.k-cover{overflow:hidden;background:var(--brand-100);}
.k-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.k-card:hover .k-cover img{transform:scale(1.03);}
.k-cover.ratio-wide{aspect-ratio:16/9;}
.k-cover.ratio-tall{aspect-ratio:4/3;}
.k-body{padding:26px 26px 28px;}
.k-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px;}
.k-body h3{font-size:20px;line-height:1.45;}
.k-body .desc{margin-top:12px;color:var(--ink-600);font-size:15px;line-height:1.75;}
.k-points{margin-top:16px;display:flex;flex-direction:column;gap:8px;}
.k-points li{display:flex;gap:9px;font-size:14.5px;color:var(--ink-600);line-height:1.6;}
.k-points li::before{content:"";flex:0 0 7px;width:7px;height:7px;border-radius:2px;background:var(--brand-500);margin-top:8px;}
.k-link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:14.5px;font-weight:700;color:var(--brand-700);}
.k-link:hover{color:var(--brand-900);}

/* ============ 自查区 8:4 布局 ============ */
.check-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px;align-items:start;}
.check-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:36px;box-shadow:var(--shadow-sm);}
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:26px;}
.check-list li{display:flex;gap:11px;align-items:flex-start;font-size:15.5px;color:var(--ink-600);line-height:1.65;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);padding:14px 16px;}
.check-list li .idx{flex:0 0 26px;height:26px;border-radius:9px;background:var(--brand-100);color:var(--brand-700);font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;}
.side-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:140px;}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-sm);transition:transform var(--t),box-shadow var(--t);}
.side-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.side-card h3{font-size:18px;margin-bottom:12px;}
.side-card p{font-size:14.5px;color:var(--ink-600);line-height:1.75;}
.side-card.soft{background:var(--grad-soft);border-color:#D6EDE5;}
.icon-badge{width:48px;height:48px;border-radius:15px;display:flex;align-items:center;justify-content:center;background:var(--brand-100);color:var(--brand-700);margin-bottom:16px;}
.icon-badge svg{width:24px;height:24px;}
.icon-badge.solid{background:var(--grad-brand);color:#fff;}

/* ============ 数据条带 ============ */
.stats-band{background:var(--grad-brand);color:#fff;padding:72px 0;position:relative;overflow:hidden;}
.stats-band::after{content:"";position:absolute;inset:auto -80px -120px auto;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.08);}
.stats-band .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;z-index:2;}
.stat{padding:6px 24px;border-right:1px solid rgba(255,255,255,.24);}
.stat:last-child{border-right:none;}
.stat .num{font-size:44px;font-weight:800;line-height:1.05;letter-spacing:-.02em;}
.stat .num small{font-size:17px;font-weight:700;margin-left:4px;}
.stat .lbl{margin-top:10px;font-size:13.5px;color:rgba(255,255,255,.82);line-height:1.6;}
.stats-note{margin-top:34px;font-size:13px;color:rgba(255,255,255,.78);position:relative;z-index:2;}

/* ============ FAQ ============ */
.faq-accordion{display:flex;flex-direction:column;gap:14px;max-width:920px;margin:0 auto;}
.faq-item{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow var(--t),border-color var(--t);}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand);opacity:0;transition:opacity var(--t);}
.faq-item.is-open{box-shadow:var(--shadow-md);border-color:var(--brand-300);}
.faq-item.is-open::before{opacity:1;}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;background:none;border:none;padding:22px 26px 22px 30px;font-size:17.5px;font-weight:700;color:var(--ink-900);cursor:pointer;}
.faq-q .caret{flex:0 0 30px;width:30px;height:30px;border-radius:50%;background:var(--brand-100);color:var(--brand-700);display:flex;align-items:center;justify-content:center;transition:transform var(--t),background var(--t);}
.faq-q .caret svg{width:15px;height:15px;}
.faq-item.is-open .faq-q .caret{transform:rotate(180deg);background:var(--grad-brand);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s cubic-bezier(.2,.7,.3,1);}
.faq-a .inner{padding:0 30px 24px 30px;color:var(--ink-600);font-size:15.5px;line-height:1.85;}
.faq-item.is-open .faq-a{max-height:340px;}

/* ============ CTA + 表单 ============ */
.cta-wrap{background:var(--grad-soft);border:1px solid #DCEDE6;border-radius:32px;padding:48px;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:44px;align-items:start;}
.cta-copy h2{font-size:29px;}
.cta-copy p{margin-top:16px;color:var(--ink-600);font-size:16px;line-height:1.85;}
.cta-list{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.cta-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-600);}
.cta-list li::before{content:"";flex:0 0 8px;width:8px;height:8px;border-radius:50%;background:var(--accent-500);margin-top:9px;}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:28px;padding:30px;box-shadow:var(--shadow-md);}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .hint{font-size:13.5px;color:var(--ink-400);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-900);margin-bottom:7px;}
.field label .req{color:var(--accent-600);margin-left:3px;}
.field input[type=text],
.field input[type=tel],
.field input[type=email],
.field select,
.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--bg);
  padding:12px 15px;font-size:15px;color:var(--ink-900);min-height:48px;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(34,183,154,.22);}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-600);line-height:1.65;margin:6px 0 20px;}
.consent input{margin-top:4px;width:17px;height:17px;accent-color:var(--brand-700);flex:0 0 17px;}
.form-card .btn{width:100%;}
.form-note{margin-top:14px;font-size:12.5px;color:var(--ink-400);line-height:1.7;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(232,247,242,.82);margin-top:0;position:relative;}
.footer-top-line{height:4px;background:var(--grad-brand);}
.site-footer .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding:64px 0 40px;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:700;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(232,247,242,.72);margin-top:16px;max-width:340px;}
.footer-brand{display:flex;align-items:center;gap:11px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);box-shadow:none;}
.footer-brand .brand-name{font-size:18px;font-weight:800;color:#fff;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:rgba(232,247,242,.78);font-size:14px;}
.footer-links a:hover{color:var(--brand-300);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(232,247,242,.6);}

/* ============ 弹层 ============ */
.modal-content{border:none;border-radius:28px;overflow:hidden;box-shadow:var(--shadow-lg);}
.modal-gradient-bar{height:6px;background:var(--grad-brand);}
.modal-header{border-bottom:1px solid var(--line);padding:22px 26px 16px;align-items:flex-start;}
.modal-title{font-size:20px;font-weight:800;}
.modal-sub{font-size:13.5px;color:var(--ink-400);margin-top:4px;}
.modal-body{padding:22px 26px 26px;}
.modal-footer{border-top:1px solid var(--line);padding:16px 26px 22px;}
.btn-close-custom{width:40px;height:40px;border-radius:50%;background:var(--bg);border:none;display:flex;align-items:center;justify-content:center;color:var(--ink-600);transition:background var(--t),color var(--t);}
.btn-close-custom:hover{background:var(--brand-100);color:var(--brand-900);}
.btn-close-custom svg{width:16px;height:16px;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-sub h1{font-size:33px;}
  .check-grid{grid-template-columns:1fr;gap:26px;}
  .side-stack{position:static;}
}
@media (max-width:991px){
  .nav-channelbar{display:none;}
  .brand-actions{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:68px 0;}
  .section.tight{padding:56px 0;}
  .hero-sub{padding:44px 0 48px;border-radius:0 0 26px 26px;}
  .hero-sub h1{font-size:29px;}
  .knowledge-flow{columns:1;}
  .cta-wrap{grid-template-columns:1fr;padding:32px;gap:30px;}
  .stats-band .stats-grid{grid-template-columns:repeat(2,1fr);gap:26px 0;}
  .stat{border-right:none;padding:6px 12px;}
  .stat:nth-child(odd){border-right:1px solid rgba(255,255,255,.22);}
  .site-footer .footer-grid{grid-template-columns:1fr 1fr;gap:30px;padding:52px 0 34px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding-left:20px;padding-right:20px;}
  .hero-sub h1{font-size:26px;}
  .hero-sub .lead{font-size:15.5px;}
  .section-head h2,
  .cta-copy h2{font-size:24px;}
  .check-list{grid-template-columns:1fr;}
  .check-panel{padding:26px 20px;}
  .field-row{grid-template-columns:1fr;}
  .form-card{padding:24px 20px;}
  .faq-q{padding:18px 18px 18px 22px;font-size:16px;}
  .faq-a .inner{padding:0 22px 20px 22px;}
  .k-body{padding:22px 20px 24px;}
}
@media (max-width:520px){
  .hero-sub h1{font-size:23px;}
  .stat .num{font-size:34px;}
  .stats-band .stats-grid{grid-template-columns:1fr;gap:20px;}
  .stat{border-right:none!important;}
  .site-footer .footer-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .brand-actions .btn,
  .mobile-panel .m-actions .btn{width:auto;}
  .hero-metric{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* roulang page: category3 */
:root{
  --brand-900:#0E4A41;
  --brand-700:#178F7A;
  --brand-500:#22B79A;
  --brand-300:#7FDFC6;
  --brand-100:#E4F7F1;
  --accent-600:#E85A2C;
  --accent-500:#FF7A45;
  --accent-100:#FFEDE5;
  --ink-900:#0F1B19;
  --ink-600:#4B5C58;
  --ink-400:#8A9995;
  --bg:#F6FAF8;
  --surface:#FFFFFF;
  --line:#E2EDE9;
  --grad:linear-gradient(135deg,#0E4A41 0%,#178F7A 48%,#3FD0AE 100%);
  --grad-soft:linear-gradient(120deg,#E4F7F1 0%,#FFF3EC 100%);
  --shadow-sm:0 2px 8px rgba(14,74,65,.06);
  --shadow-md:0 10px 28px rgba(14,74,65,.10);
  --shadow-lg:0 24px 56px rgba(14,74,65,.14);
  --r-lg:24px;
  --r-md:16px;
  --r-xl:28px;
  --pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#178F7A;
  --bs-body-bg:#F6FAF8;
  --bs-body-color:#0F1B19;
  --bs-border-radius:16px;
  --bs-link-color:#178F7A;
  --bs-link-hover-color:#0E4A41;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-700);text-decoration:none;text-underline-offset:3px;transition:color .24s var(--ease);}
a:hover{color:var(--brand-900);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:none;
  box-shadow:0 0 0 3px rgba(34,183,154,.35);
  border-radius:8px;
}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;color:var(--ink-900);line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.num{font-variant-numeric:tabular-nums;}

/* ============ 按钮 ============ */
.btn-brand,.btn-outline-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 24px;border-radius:var(--pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1.5px solid transparent;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background-color .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease);
  white-space:nowrap;
}
.btn-brand{background:var(--grad);color:#fff;box-shadow:var(--shadow-sm);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-outline-brand{border-color:var(--brand-700);color:var(--brand-700);background:transparent;}
.btn-outline-brand:hover{background:var(--brand-100);color:var(--brand-900);border-color:var(--brand-500);}
.btn-ghost{background:var(--brand-100);color:var(--brand-900);}
.btn-ghost:hover{background:#d6f2e9;color:var(--brand-900);}
.btn-brand:disabled,.btn-outline-brand:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px;}

/* ============ 标签 / 徽章 ============ */
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:var(--pill);font-size:13px;font-weight:600;line-height:1.6;}
.tag-cat{background:var(--brand-100);color:var(--brand-700);}
.tag-time{background:#EEF2F1;color:var(--ink-600);}
.tag-soft{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.28);}

/* ============ 头部 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .28s var(--ease);}
.site-header.is-scrolled{box-shadow:var(--shadow-md);}
.nav-brandbar{background:var(--surface);}
.nav-brandbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;padding-top:8px;padding-bottom:8px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink-900);}
.brand:hover{color:var(--ink-900);}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:14px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;box-shadow:var(--shadow-sm);
}
.brand-mark svg{width:24px;height:24px;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:19px;font-weight:800;letter-spacing:-.02em;}
.brand-sub{font-size:12px;color:var(--ink-600);letter-spacing:0;}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:var(--brand-100);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-900);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.nav-channelbar{background:var(--surface);border-top:1px solid var(--line);}
.nav-channels{display:flex;align-items:center;gap:8px;min-height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.nav-channels::-webkit-scrollbar{display:none;}
.channel{
  display:inline-flex;align-items:center;padding:8px 18px;border-radius:var(--pill);
  font-size:15px;font-weight:600;color:var(--ink-900);white-space:nowrap;
  transition:background-color .24s var(--ease),color .24s var(--ease);
}
.channel:hover{background:var(--brand-100);color:var(--brand-900);}
.channel.active{background:var(--grad);color:#fff;box-shadow:var(--shadow-sm);}
.channel.active:hover{color:#fff;}

.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--surface);}
.mobile-panel.open{display:block;}
.mobile-panel ul{padding:10px 0 16px;}
.mobile-panel li a{
  display:flex;align-items:center;gap:10px;padding:13px 0;font-size:16px;font-weight:600;color:var(--ink-900);
  border-bottom:1px dashed var(--line);
}
.mobile-panel li:last-child a{border-bottom:none;}
.mobile-panel .dot{width:8px;height:8px;border-radius:50%;background:var(--brand-500);flex:0 0 8px;}
.mobile-panel li a.active{color:var(--brand-700);}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(100deg,rgba(14,74,65,.94) 0%,rgba(23,143,122,.86) 46%,rgba(63,208,174,.62) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  padding:64px 0 72px;
}
.page-hero::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 68%);pointer-events:none;
}
.crumbs{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.82);flex-wrap:wrap;}
.crumbs a{color:rgba(255,255,255,.9);}
.crumbs a:hover{color:#fff;}
.crumbs .sep{opacity:.6;}
.page-hero h1{
  color:#fff;font-size:36px;margin:18px 0 16px;max-width:820px;line-height:1.34;
}
.hero-lead{font-size:16px;color:rgba(255,255,255,.9);max-width:700px;line-height:1.9;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-stat{
  display:inline-flex;align-items:baseline;gap:8px;padding:10px 20px;border-radius:var(--pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);backdrop-filter:blur(2px);
}
.hero-stat b{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.86);}

/* ============ 板块通用 ============ */
.section{padding:96px 0;}
.section.tight{padding:72px 0 88px;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--brand-700);
  background:var(--brand-100);border-radius:var(--pill);padding:5px 14px;margin-bottom:14px;
}
.section-head h2{font-size:30px;margin-bottom:14px;}
.section-head p{color:var(--ink-600);font-size:16px;}

/* ============ 标签墙 + 问题列表 + 侧栏 ============ */
.tag-wall{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.tag-pill{
  padding:9px 20px;border-radius:var(--pill);border:1px solid var(--line);background:var(--surface);
  font-size:14px;font-weight:600;color:var(--ink-900);cursor:pointer;
  transition:all .28s var(--ease);
}
.tag-pill:hover{border-color:var(--brand-300);background:var(--brand-100);color:var(--brand-900);}
.tag-pill.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:var(--shadow-sm);}

.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:32px;align-items:start;}
.q-list{display:flex;flex-direction:column;gap:16px;}
.q-item{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:20px;
  padding:24px 26px 24px 30px;box-shadow:var(--shadow-sm);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.q-item::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:4px;border-radius:0 4px 4px 0;
  background:var(--grad);opacity:0;transition:opacity .28s var(--ease);
}
.q-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#D3E9E2;}
.q-item:hover::before{opacity:1;}
.q-item h3{font-size:19px;margin-bottom:8px;}
.q-item p{color:var(--ink-600);font-size:15px;line-height:1.8;}
.q-item .q-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;flex-wrap:wrap;}
.q-tags{display:flex;gap:8px;flex-wrap:wrap;}
.q-link{font-size:14px;font-weight:700;color:var(--brand-700);display:inline-flex;align-items:center;gap:6px;}
.q-link::after{content:"→";transition:transform .28s var(--ease);}
.q-link:hover::after{transform:translateX(4px);}

.side-card{
  position:sticky;top:140px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-sm);
}
.side-card h3{font-size:18px;margin-bottom:16px;}
.side-toc li a{
  display:flex;align-items:center;gap:10px;padding:11px 0;font-size:15px;font-weight:600;color:var(--ink-900);
  border-bottom:1px dashed var(--line);
}
.side-toc li:last-child a{border-bottom:none;}
.side-toc li a:hover{color:var(--brand-700);}
.side-toc .idx{
  width:24px;height:24px;flex:0 0 24px;border-radius:8px;background:var(--brand-100);color:var(--brand-700);
  font-size:12px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;
}
.side-cta{margin-top:22px;padding-top:22px;border-top:1px solid var(--line);}
.side-cta p{font-size:14px;color:var(--ink-600);margin-bottom:16px;}
.side-cta .btn-brand,.side-cta .btn-outline-brand{width:100%;}
.side-cta .btn-outline-brand{margin-top:10px;}

/* ============ 处理要点（不等高） ============ */
.points-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:start;}
.point-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.point-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.point-main .thumb{aspect-ratio:16/9;overflow:hidden;}
.point-main .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.point-main:hover .thumb img{transform:scale(1.03);}
.point-body{padding:26px;}
.point-body h3{font-size:22px;margin-bottom:12px;}
.point-body p{color:var(--ink-600);font-size:15px;}
.plain-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.plain-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-600);align-items:flex-start;}
.plain-list li::before{
  content:"";width:8px;height:8px;border-radius:2px;background:var(--brand-500);flex:0 0 8px;margin-top:9px;
}
.point-col{display:flex;flex-direction:column;gap:24px;}
.point-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-sm);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.icon-badge{
  width:48px;height:48px;border-radius:14px;background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.icon-badge.soft{background:var(--brand-100);color:var(--brand-700);}
.icon-badge svg{width:24px;height:24px;}
.point-card h3{font-size:19px;margin-bottom:10px;}
.point-card p{color:var(--ink-600);font-size:15px;}

/* ============ 数据带 ============ */
.stats-band{background:var(--grad);color:#fff;padding:72px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{padding:6px 20px;border-left:1px solid rgba(255,255,255,.22);}
.stat:first-child{border-left:none;padding-left:0;}
.stat b{display:block;font-size:44px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;color:#fff;}
.stat b i{font-size:16px;font-weight:600;font-style:normal;margin-left:4px;color:rgba(255,255,255,.86);}
.stat span{display:block;font-size:14px;color:rgba(255,255,255,.84);margin-top:8px;}
.stats-note{margin-top:28px;font-size:13px;color:rgba(255,255,255,.7);}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{
  background:var(--surface);border:1px solid var(--line) !important;border-radius:20px !important;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-sm);
}
.accordion-button{
  background:var(--surface);color:var(--ink-900);font-size:17px;font-weight:700;padding:20px 24px;
  box-shadow:none !important;border-radius:20px !important;position:relative;
}
.accordion-button:not(.collapsed){color:var(--brand-700);background:var(--surface);}
.accordion-button::after{
  width:18px;height:18px;background-size:18px;background-position:center;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23178F7A' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  transition:transform .28s var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.accordion-item::before{display:none;}
.accordion-body{padding:0 24px 22px;color:var(--ink-600);font-size:15.5px;line-height:1.9;}
.acc-item{position:relative;}
.acc-item .acc-bar{
  position:absolute;left:0;top:18px;bottom:18px;width:4px;border-radius:0 4px 4px 0;background:var(--grad);
  opacity:0;transition:opacity .28s var(--ease);
}
.accordion-item:has(.accordion-button:not(.collapsed)) .acc-bar{opacity:1;}

/* ============ CTA + 表单 ============ */
.cta-section{padding:0 0 96px;}
.cta-shell{
  background:var(--grad-soft);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:48px;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;
}
.cta-copy h2{font-size:30px;margin-bottom:16px;}
.cta-copy p{color:var(--ink-600);font-size:16px;}
.cta-copy .plain-list{margin-top:24px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px;}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow-md);
}
.form-card h3{font-size:20px;margin-bottom:8px;}
.form-card .form-hint{font-size:14px;color:var(--ink-600);margin-bottom:20px;}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink-900);}
.form-row label .req{color:var(--accent-600);margin-left:2px;}
.form-control,.form-select{
  width:100%;height:48px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--surface);
  padding:0 16px;font-size:15px;color:var(--ink-900);box-shadow:none !important;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
textarea.form-control{height:auto;min-height:110px;padding:14px 16px;line-height:1.7;resize:vertical;}
.form-control:focus,.form-select:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(34,183,154,.25) !important;}
.form-control::placeholder{color:var(--ink-400);}
.form-check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-600);line-height:1.7;}
.form-check input{margin-top:5px;width:16px;height:16px;accent-color:var(--brand-500);flex:0 0 16px;}
.form-card .btn-brand{width:100%;margin-top:20px;}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px;}

/* ============ Modal ============ */
.modal-content{border:none;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-lg);}
.modal-content::before{content:"";display:block;height:6px;background:var(--grad);}
.modal-header{border-bottom:1px solid var(--line);padding:22px 26px 18px;}
.modal-title{font-size:20px;font-weight:800;}
.modal-body{padding:24px 26px 8px;}
.modal-footer{border-top:none;padding:8px 26px 24px;}
.btn-close{
  width:36px;height:36px;border-radius:50%;background-color:var(--brand-100);
  background-size:12px;opacity:.9;transition:background-color .24s var(--ease);
}
.btn-close:hover{background-color:#d6f2e9;opacity:1;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(224,245,239,.82);position:relative;margin-top:0;}
.footer-top-line{height:4px;background:var(--grad);}
.site-footer .container{padding-top:64px;padding-bottom:32px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);box-shadow:none;}
.footer-brand .brand-name{color:#fff;font-size:18px;font-weight:800;}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(224,245,239,.72);max-width:340px;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:rgba(224,245,239,.8);}
.footer-links a:hover{color:var(--brand-300);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(224,245,239,.62);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .faq-layout{grid-template-columns:minmax(0,1fr) 300px;gap:24px;}
  .section{padding:88px 0;}
}
@media (max-width:991.98px){
  .faq-layout{grid-template-columns:1fr;}
  .side-card{position:static;}
  .points-grid{grid-template-columns:1fr;}
  .cta-shell{grid-template-columns:1fr;gap:32px;padding:36px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px 20px;}
  .stat:nth-child(3){border-left:none;padding-left:0;}
  .stat:nth-child(2n){border-left:1px solid rgba(255,255,255,.22);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-footer p{max-width:none;}
  .nav-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .page-hero h1{font-size:30px;}
  .section-head h2{font-size:26px;}
  .cta-copy h2{font-size:26px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .section.tight{padding:52px 0 64px;}
  .page-hero{padding:44px 0 56px;}
  .page-hero h1{font-size:28px;}
  .hero-lead{font-size:15px;}
  .q-item{padding:20px 20px 20px 24px;}
  .q-item h3{font-size:17.5px;}
  .cta-section{padding:0 0 64px;}
  .cta-shell{padding:26px;border-radius:var(--r-lg);}
  .two-col{grid-template-columns:1fr;}
  .stat b{font-size:34px;}
  .site-footer .container{padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .accordion-button{font-size:16px;padding:18px 20px;}
  .accordion-body{padding:0 20px 18px;}
}
@media (max-width:520px){
  .brand-sub{display:none;}
  .brand-name{font-size:17px;}
  .hero-meta{gap:8px;}
  .hero-stat{padding:8px 14px;}
  .stats-grid{grid-template-columns:1fr;}
  .stat{border-left:none;padding-left:0;}
  .stat:nth-child(2n){border-left:none;}
  .cta-actions .btn{width:100%;}
}