/* roulang page: index */
:root{
  --brand:#0F3D33;
  --brand-08:rgba(15,61,51,.08);
  --brand-12:rgba(15,61,51,.12);
  --accent:#C8F04A;
  --accent-dark:#0B1F1A;
  --warn:#FF6B2C;
  --bg:#F7F6F1;
  --bg-soft:#F1F3EC;
  --card:#FFFFFF;
  --dark:#0B1F1A;
  --line:#E3E6DE;
  --ink:#16211D;
  --ink-2:#5B6A63;
  --ink-3:#8C9A94;
  --r-lg:16px;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(11,31,26,.06),0 8px 24px rgba(11,31,26,.08);
  --sh-2:0 12px 32px rgba(11,31,26,.14);
  --ease:.25s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);
  background-image:linear-gradient(135deg,rgba(15,61,51,.025) 25%,transparent 25%,transparent 50%,rgba(15,61,51,.025) 50%,rgba(15,61,51,.025) 75%,transparent 75%);
  background-size:22px 22px;
}
img{display:block;max-width:100%;height:auto;border-radius:var(--r-img)}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease)}
a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(15,61,51,.28);outline-offset:2px}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:800;line-height:1.32;letter-spacing:.005em;color:var(--ink)}
h1{font-size:clamp(34px,4vw,42px);line-height:1.24}
h2{font-size:clamp(24px,2.6vw,30px)}
h3{font-size:20px}
p{margin:0 0 1.15em}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
strong{font-weight:800}
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%}
.grid-x{display:flex;flex-flow:row wrap}
.section{padding:88px 0}
.section--dark{background:var(--dark);color:#EDF2EE}
.section--dark h2,.section--dark h3{color:#FFFFFF}
.section--soft{background:var(--bg-soft)}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--brand);background:var(--brand-08);padding:5px 12px;border-radius:999px;margin-bottom:14px}
.section--dark .eyebrow{color:var(--accent);background:rgba(200,240,74,.12)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{margin-bottom:0}
.section-desc{color:var(--ink-2);max-width:620px;margin:0}
.section--dark .section-desc{color:#AFC2B8}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:700;border:1.5px solid transparent;cursor:pointer;transition:all var(--ease);white-space:nowrap}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-primary:hover{background:var(--accent);color:var(--dark);border-color:var(--accent)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand);color:#fff}
.btn-accent{background:var(--accent);color:var(--dark);border-color:var(--accent)}
.btn-accent:hover{background:#B7E02F;color:var(--dark);border-color:#B7E02F}
.btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-light:hover{background:#fff;color:var(--brand);border-color:#fff}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.text-link{font-weight:700;font-size:15px;color:var(--brand)}
.text-link:hover{color:#0B2E26;text-decoration:underline;text-underline-offset:4px}
.text-link i{margin-left:6px;font-size:12px}
.tag{display:inline-block;font-size:12px;font-weight:700;color:var(--brand);background:var(--brand-12);padding:4px 11px;border-radius:999px;line-height:1.6}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1000;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 8px rgba(11,31,26,.05)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--brand)}
.brand:hover{text-decoration:none;color:var(--brand)}
.brand-mark{width:30px;height:30px;flex:0 0 30px}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:72px;padding:0 16px;font-size:15px;font-weight:600;color:var(--ink);border-radius:8px;transition:all var(--ease)}
.nav-link:hover{background:var(--bg-soft);text-decoration:none;color:var(--brand)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{content:"";position:absolute;left:16px;right:16px;bottom:20px;height:2px;background:var(--accent);border-radius:2px}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-search{position:relative}
.nav-search input{width:190px;height:40px;padding:0 16px 0 38px;border-radius:999px;border:1px solid transparent;background:var(--bg-soft);font-size:14px;color:var(--ink);font-family:inherit;transition:all var(--ease)}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search input:focus{width:230px;background:#fff;border-color:var(--brand);outline:none;box-shadow:0 0 0 3px rgba(15,61,51,.12)}
.nav-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--ink-3);pointer-events:none}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--brand);font-size:18px;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle:hover{background:var(--bg-soft)}

/* ---------- Hero ---------- */
.hero{padding:72px 0 88px;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);border-bottom:1px solid var(--line)}
.hero-copy{max-width:560px}
.hero h1{margin-bottom:20px}
.hero-sub{font-size:17px;color:var(--ink-2);margin-bottom:30px;max-width:480px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;padding-top:26px;border-top:1px solid var(--line)}
.hero-stats li{display:flex;flex-direction:column}
.hero-stats strong{font-family:"Barlow Condensed","PingFang SC",sans-serif;font-size:34px;line-height:1.1;font-weight:600;color:var(--brand);letter-spacing:.01em}
.hero-stats span{font-size:13px;color:var(--ink-2);font-weight:600}
.hero-media{margin-top:8px}
.hero-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/10;background:#0B1F1A;box-shadow:var(--sh-1)}
.hero-figure img{width:100%;height:100%;object-fit:cover;border-radius:0}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(11,31,26,.55) 0%,rgba(11,31,26,.05) 55%,rgba(11,31,26,0) 100%)}
.hero-chip{position:absolute;left:18px;bottom:18px;z-index:2;display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.96);border-radius:12px;padding:12px 16px;box-shadow:var(--sh-1);max-width:78%}
.hero-chip strong{display:block;font-size:14px;color:var(--ink)}
.hero-chip span{display:block;font-size:12px;color:var(--ink-2);line-height:1.5}
.chip-dot{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(200,240,74,.32);flex:0 0 9px}

/* ---------- 功能分组 ---------- */
.features .sticky-head{position:sticky;top:104px}
.anchor-list{margin-top:26px;display:flex;flex-direction:column;gap:10px}
.anchor-list a{display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--ink-2)}
.anchor-list a::before{content:"";width:14px;height:2px;background:var(--accent);border-radius:2px}
.anchor-list a:hover{color:var(--brand)}
.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.feature-grid .feature-card:nth-child(even){transform:translateY(24px)}
.feature-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease);height:100%}
.feature-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.feature-grid .feature-card:nth-child(even):hover{transform:translateY(21px)}
.feature-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--brand-08);color:var(--brand);font-size:19px;margin-bottom:16px}
.feature-card h3{font-size:19px;margin-bottom:8px}
.feature-card p{font-size:14.5px;color:var(--ink-2);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feature-card ul{border-top:1px solid var(--line);padding-top:14px;display:flex;flex-direction:column;gap:8px}
.feature-card li{position:relative;padding-left:16px;font-size:14px;color:var(--ink-2)}
.feature-card li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;background:var(--accent)}

/* ---------- 使用场景 ---------- */
.scene-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:44px 0;border-bottom:1px solid var(--line)}
.scene-row:last-child{border-bottom:0;padding-bottom:0}
.scene-row:first-child{padding-top:0}
.scene-row--reverse .scene-media{order:2}
.scene-no{font-family:"Barlow Condensed",sans-serif;font-size:46px;font-weight:600;color:var(--brand-12);letter-spacing:.02em;line-height:1;display:block;margin-bottom:8px}
.scene-body h3{font-size:22px;margin-bottom:12px}
.scene-body p{color:var(--ink-2);font-size:15.5px}
.scene-points{display:flex;flex-direction:column;gap:10px;margin-top:8px}
.scene-points li{position:relative;padding-left:20px;font-size:15px;color:var(--ink)}
.scene-points li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;background:var(--accent)}
.scene-media{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3;background:var(--bg-soft);box-shadow:var(--sh-1)}
.scene-media img{width:100%;height:100%;object-fit:cover;border-radius:0}

/* ---------- 数据与案例 ---------- */
.metric-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-bottom:1px solid rgba(255,255,255,.14);padding-bottom:44px;margin-bottom:48px}
.metric{padding:0 24px;border-left:1px solid rgba(255,255,255,.14)}
.metric:first-child{border-left:0;padding-left:0}
.metric strong{display:block;font-family:"Barlow Condensed",sans-serif;font-size:46px;font-weight:600;line-height:1.05;color:var(--accent)}
.metric span{font-size:13px;color:#AFC2B8;font-weight:600}
.case-track{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.case-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-card);padding:26px;transition:all var(--ease)}
.case-card--solid{background:#fff;border-color:#fff}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.case-card h3{font-size:18px;margin-bottom:10px}
.case-card--solid h3{color:var(--ink)}
.case-card p{font-size:14.5px;color:#AFC2B8;margin-bottom:16px}
.case-card--solid p{color:var(--ink-2)}
.case-card .case-by{font-size:13px;color:var(--accent);font-weight:700}
.case-card--solid .case-by{color:var(--brand)}
.case-quote{font-size:15px;line-height:1.85}

/* ---------- 价格 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start}
.plan{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:30px 26px;box-shadow:var(--sh-1);transition:all var(--ease);display:flex;flex-direction:column;height:100%}
.plan:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.plan--featured{border-color:var(--brand);border-top:4px solid var(--accent);padding-top:34px}
.plan-badge{position:absolute;top:-13px;left:26px;background:var(--brand);color:var(--accent);font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px}
.plan h3{font-size:19px;margin-bottom:6px}
.plan-note{font-size:14px;color:var(--ink-2);margin-bottom:20px;min-height:44px}
.plan-price{font-family:"Barlow Condensed","PingFang SC",sans-serif;font-size:40px;font-weight:600;color:var(--brand);line-height:1;margin-bottom:22px}
.plan-price em{font-family:"PingFang SC",sans-serif;font-size:14px;font-style:normal;color:var(--ink-3);font-weight:600;margin-left:6px}
.plan-list{display:flex;flex-direction:column;gap:11px;margin-bottom:26px;flex:1}
.plan-list li{position:relative;padding-left:22px;font-size:14.5px;color:var(--ink-2)}
.plan-list li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;position:absolute;left:0;top:5px;color:var(--brand)}
.plan-list li.is-off{color:var(--ink-3);text-decoration:line-through}
.plan-list li.is-off::before{content:"\f00d";color:var(--ink-3)}

/* ---------- 最新信息 ---------- */
.latest-grid{align-items:stretch}
.lead-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:all var(--ease);height:100%}
.lead-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);text-decoration:none}
.lead-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--bg-soft)}
.lead-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s ease}
.lead-card:hover .lead-thumb img{transform:scale(1.03)}
.lead-body{padding:24px}
.lead-body h3{font-size:21px;margin:12px 0 10px;color:var(--ink)}
.lead-body h3 a{color:var(--ink)}
.lead-body h3 a:hover{color:var(--brand);text-decoration:none}
.lead-body p{font-size:14.5px;color:var(--ink-2);margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);font-weight:600}
.meta span+span::before{content:"";display:inline-block;width:1px;height:11px;background:var(--line);margin-right:10px;vertical-align:-1px}
.mini-list{display:flex;flex-direction:column;gap:14px;height:100%}
.mini-list li{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;transition:all var(--ease);flex:1}
.mini-list li:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.mini-list h4{font-size:16.5px;font-weight:700;margin:0 0 8px;line-height:1.5}
.mini-list h4 a{color:var(--ink)}
.mini-list h4 a:hover{color:var(--brand);text-decoration:none}
.mini-list p{font-size:14px;color:var(--ink-2);margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.empty-state{background:var(--card);border:1px dashed var(--line);border-radius:var(--r-card);padding:56px 24px;text-align:center}
.empty-state p{color:var(--ink-2);margin-bottom:18px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;box-shadow:0 1px 2px rgba(11,31,26,.04);transition:box-shadow var(--ease)}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;min-height:64px;padding:18px 24px;background:none;border:0;font-family:inherit;font-size:16px;font-weight:700;color:var(--ink);text-align:left;cursor:pointer}
.faq-q:hover{color:var(--brand)}
.faq-icon{flex:0 0 22px;position:relative;width:22px;height:22px;transition:transform var(--ease);color:var(--brand)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-icon::before{left:3px;right:3px;top:10px;height:2px}
.faq-icon::after{top:3px;bottom:3px;left:10px;width:2px;transition:opacity var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(180deg)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 24px 22px 24px;border-left:3px solid var(--accent);margin-left:24px;padding-left:18px;font-size:15px;color:var(--ink-2)}
.faq-a-inner p:last-child{margin-bottom:0}

/* ---------- CTA ---------- */
.cta-band{background:var(--brand);color:#fff;border-radius:var(--r-lg);padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin-bottom:8px;font-size:clamp(22px,2.4vw,28px)}
.cta-band p{color:rgba(255,255,255,.78);margin:0;font-size:15px;max-width:520px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#AFC2B8;padding:72px 0 0;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:52px;border-bottom:1px solid rgba(255,255,255,.12)}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.02em}
.site-footer p{font-size:14px;line-height:1.85;margin-bottom:14px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:#AFC2B8;font-size:14px}
.footer-links a:hover{color:var(--accent);text-decoration:none}
.footer-contact li{font-size:14px;margin-bottom:11px;display:flex;gap:10px;align-items:flex-start;line-height:1.7}
.footer-contact i{color:var(--accent);margin-top:5px;font-size:13px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:22px 0;font-size:13px;color:#7C8E86}
.footer-bottom a{color:#7C8E86}
.footer-bottom a:hover{color:var(--accent);text-decoration:none}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .feature-grid{grid-template-columns:1fr}
  .feature-grid .feature-card:nth-child(even){transform:none}
  .feature-grid .feature-card:nth-child(even):hover{transform:translateY(-3px)}
}
@media screen and (max-width:1024px){
  .section{padding:64px 0}
  .hero{padding:52px 0 64px}
  .scene-row{gap:32px}
  .metric-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 0}
  .metric{padding:0 20px}
  .metric:nth-child(3){border-left:0;padding-left:0}
  .case-track{grid-template-columns:repeat(2,minmax(0,1fr))}
  .plan-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media screen and (max-width:991px){
  .nav-menu{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(11,31,26,.08);padding:10px 16px 18px;display:none}
  .nav-menu.is-open{display:flex}
  .nav-link{height:52px;justify-content:flex-start;padding:0 14px;font-size:16px;border-radius:10px}
  .nav-link.is-active{background:var(--bg-soft)}
  .nav-link.is-active::after{display:none}
  .nav-toggle{display:flex}
  .nav-search input{width:150px}
  .nav-search input:focus{width:170px}
  .nav-cta{display:none}
  .hero-copy{max-width:none}
  .hero-media{margin-top:36px}
  .scene-row{grid-template-columns:1fr}
  .scene-row--reverse .scene-media{order:0}
  .cta-band{padding:40px 28px}
  .latest-grid .cell{margin-bottom:20px}
  .mini-list{height:auto}
}
@media screen and (max-width:767px){
  body{font-size:15px;line-height:1.8}
  .grid-container{padding-left:18px;padding-right:18px}
  .section{padding:48px 0}
  .nav-bar{height:60px}
  .brand{font-size:16px}
  .brand-mark{width:26px;height:26px;flex:0 0 26px}
  .nav-search{display:none}
  .hero-stats{gap:22px}
  .hero-stats strong{font-size:28px}
  .feature-card{padding:18px}
  .scene-no{font-size:38px}
  .metric-row{padding-bottom:32px;margin-bottom:34px}
  .metric strong{font-size:36px}
  .case-track{grid-template-columns:1fr;grid-auto-flow:column;grid-auto-columns:82%;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;-ms-overflow-style:none;scrollbar-width:none}
  .case-track::-webkit-scrollbar{display:none}
  .case-card{scroll-snap-align:start}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a-inner{margin-left:18px;padding-left:14px;padding-right:18px}
  .cta-band h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .site-footer{margin-top:56px;padding-top:52px}
}

/* roulang page: category1 */
:root{
  --brand:#0F3D33;
  --brand-soft:rgba(15,61,51,.08);
  --brand-line:rgba(15,61,51,.16);
  --accent:#C8F04A;
  --orange:#FF6B2C;
  --bg:#F7F6F1;
  --card:#FFFFFF;
  --dark:#0B1F1A;
  --line:#E3E6DE;
  --t1:#16211D;
  --t2:#5B6A63;
  --t3:#8C9A94;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --sh-card:0 1px 2px rgba(11,31,26,.06), 0 8px 24px rgba(11,31,26,.08);
  --sh-hover:0 12px 32px rgba(11,31,26,.14);
  --sh-nav:0 2px 8px rgba(11,31,26,.05);
  --sp-section:88px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);object-fit:cover;background:#E9EBE4;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,text-decoration-color .18s ease,background-color .18s ease;}
a:hover{color:#0B2E27;text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--accent);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:3px solid rgba(15,61,51,.35);outline-offset:2px;border-radius:6px;
}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:800;color:var(--t1);letter-spacing:.01em;}
p{margin:0 0 1.15em;}
ul,ol{margin:0 0 1.15em;padding-left:1.15em;}
li{margin-bottom:.45em;}
.num{font-family:"Barlow Condensed","PingFang SC",sans-serif;font-weight:600;letter-spacing:.02em;}

/* ============ 容器 ============ */
.grid-container{max-width:1200px;width:100%;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto;}
.section{padding-top:var(--sp-section);padding-bottom:var(--sp-section);}
.section--tight{padding-top:56px;padding-bottom:64px;}
.section--dark{background:var(--dark);}
.section--paper{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.6vw,30px);margin-bottom:14px;}
.section-head p{color:var(--t2);margin-bottom:0;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;
  color:var(--brand);background:var(--brand-soft);padding:6px 12px;border-radius:var(--r-pill);
  margin-bottom:16px;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1000;background:#FFFFFF;
  border-bottom:1px solid var(--line);box-shadow:var(--sh-nav);
}
.nav-bar{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--brand);white-space:nowrap;}
.brand:hover{color:var(--brand);text-decoration:none;}
.brand-mark{width:28px;height:28px;flex:0 0 28px;}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:72px;padding:0 14px;
  font-size:15px;font-weight:600;color:var(--t2);border-radius:8px;
}
.nav-link:hover{color:var(--brand);background:#F1F3EC;text-decoration:none;}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:18px;height:2px;background:var(--accent);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  background:#F1F3EC;border:1px solid transparent;border-radius:var(--r-pill);
  transition:background .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.nav-search i{color:var(--t3);font-size:13px;}
.nav-search input{
  border:0;background:transparent;outline:none;font-size:14px;color:var(--t1);
  width:132px;font-family:var(--font-cn);height:auto;margin:0;
}
.nav-search input::placeholder{color:var(--t3);}
.nav-search:focus-within{background:#FFFFFF;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,61,51,.14);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;
  background:#FFFFFF;border:1px solid var(--line);border-radius:10px;color:var(--brand);
  font-size:17px;cursor:pointer;
}
.nav-toggle:hover{background:#F1F3EC;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);border:1.5px solid transparent;
  font-family:var(--font-cn);font-size:15px;font-weight:700;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand);}
.btn-primary:hover{background:var(--accent);color:var(--dark);border-color:var(--accent);}
.btn-accent{background:var(--accent);color:var(--dark);border-color:var(--accent);}
.btn-accent:hover{background:#B8E23B;color:var(--dark);border-color:#B8E23B;}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand);color:#fff;}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn-ghost-light:hover{background:#fff;color:var(--brand);border-color:#fff;}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-more{font-weight:700;font-size:14px;color:var(--brand);}
.link-more i{font-size:12px;margin-left:6px;transition:transform .18s ease;display:inline-block;}
.link-more:hover i{transform:translateX(4px);}

/* ============ 面包屑 ============ */
.breadcrumb{
  padding:20px 0 0;font-size:13px;color:var(--t3);display:flex;flex-wrap:wrap;align-items:center;gap:8px;
}
.breadcrumb a{color:var(--t2);}
.breadcrumb .sep{color:#C6CCC4;}
.breadcrumb .current{color:var(--t1);font-weight:600;}

/* ============ Hero ============ */
.hero-cat{padding:36px 0 72px;}
.hero-cat .hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:center;}
.hero-cat h1{font-size:clamp(30px,4vw,42px);font-weight:800;margin-bottom:18px;}
.hero-cat .lede{font-size:17px;color:var(--t2);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:26px;padding-top:22px;border-top:1px solid var(--line);}
.hero-meta .item{min-width:120px;}
.hero-meta .item strong{display:block;font-size:28px;color:var(--brand);line-height:1.1;}
.hero-meta .item span{font-size:13px;color:var(--t3);}
.hero-visual{position:relative;}
.hero-visual img{width:100%;height:320px;aspect-ratio:16/10;border-radius:16px;box-shadow:var(--sh-card);}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:16px;pointer-events:none;
  background:linear-gradient(to top,rgba(11,31,26,.35),rgba(11,31,26,0) 62%);
}
.hero-badge{
  position:absolute;left:18px;bottom:18px;z-index:2;background:#fff;border-radius:12px;
  padding:12px 16px;box-shadow:var(--sh-card);max-width:78%;
}
.hero-badge strong{display:block;font-size:15px;color:var(--t1);}
.hero-badge span{font-size:12px;color:var(--t3);}

/* ============ 数据条 ============ */
.stat-strip{
  background:#FFFFFF;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);
  display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;
}
.stat-strip .stat{padding:26px 24px;border-right:1px solid var(--line);}
.stat-strip .stat:last-child{border-right:0;}
.stat-strip .stat strong{display:block;font-family:"Barlow Condensed",sans-serif;font-size:40px;font-weight:600;color:var(--brand);line-height:1;}
.stat-strip .stat strong em{font-style:normal;font-size:20px;color:var(--t3);margin-left:4px;}
.stat-strip .stat span{display:block;margin-top:8px;font-size:13px;color:var(--t2);}

/* ============ 两栏长文流 ============ */
.layout-two{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:56px;align-items:start;}
.flow-item{padding:0 0 44px;margin-bottom:44px;border-bottom:1px solid var(--line);}
.flow-item:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.flow-index{
  font-family:"Barlow Condensed",sans-serif;font-size:15px;font-weight:700;color:var(--brand);
  background:var(--accent);display:inline-flex;align-items:center;justify-content:center;
  min-width:38px;height:28px;padding:0 10px;border-radius:8px;margin-bottom:16px;
}
.flow-item h3{font-size:20px;font-weight:700;margin-bottom:14px;}
.flow-item p{color:var(--t2);}
.flow-media{margin:24px 0 0;border-radius:var(--r-img);overflow:hidden;}
.flow-media img{width:100%;aspect-ratio:16/9;border-radius:var(--r-img);}
.flow-media figcaption{font-size:13px;color:var(--t3);margin-top:10px;text-align:center;}
.flow-list{list-style:none;padding:0;margin:18px 0 0;}
.flow-list li{position:relative;padding-left:26px;color:var(--t2);}
.flow-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:10px;height:10px;background:var(--accent);border-radius:3px;
}
.flow-note{
  background:#FFFFFF;border:1px solid var(--line);border-left:4px solid var(--brand);
  border-radius:0 var(--r-img) var(--r-img) 0;padding:18px 22px;color:var(--t2);font-size:15px;margin-top:20px;
}

/* ============ 侧栏 sticky 卡 ============ */
.side-card{
  position:sticky;top:96px;background:#FFFFFF;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:26px;
}
.side-card h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.side-card .side-sub{font-size:13px;color:var(--t3);margin-bottom:18px;}
.side-list{list-style:none;padding:0;margin:0 0 22px;}
.side-list li{
  display:flex;gap:10px;font-size:15px;color:var(--t2);padding:12px 0;border-bottom:1px dashed var(--line);
}
.side-list li:last-child{border-bottom:0;}
.side-list i{color:var(--brand);font-size:13px;margin-top:7px;}

/* ============ 适用人群条 ============ */
.audience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;background:#FFFFFF;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);}
.audience{padding:30px 28px;border-right:1px solid var(--line);}
.audience:last-child{border-right:0;}
.audience .no{font-family:"Barlow Condensed",sans-serif;font-size:14px;font-weight:700;color:var(--brand);letter-spacing:.08em;display:block;margin-bottom:12px;}
.audience h3{font-size:17px;margin-bottom:10px;}
.audience p{font-size:14.5px;color:var(--t2);margin-bottom:0;}

/* ============ FAQ ============ */
.faq-list{max-width:840px;}
.faq-item{
  background:#FFFFFF;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:14px;
  box-shadow:0 1px 2px rgba(11,31,26,.04);overflow:hidden;transition:box-shadow .18s ease,border-color .18s ease;
}
.faq-item:hover{box-shadow:var(--sh-card);border-color:#D6DAD2;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:16px;font-weight:700;color:var(--t1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"＋";font-size:18px;font-weight:600;color:var(--brand);transition:transform .22s ease;flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item[open]{box-shadow:var(--sh-card);}
.faq-body{padding:0 22px 22px;border-left:3px solid var(--accent);margin-left:22px;padding-left:18px;color:var(--t2);font-size:15px;}
.faq-body p:last-child{margin-bottom:0;}

/* ============ CTA ============ */
.cta-band{background:var(--brand);color:#fff;border-radius:0;}
.cta-band .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:56px 0;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,28px);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.78);margin-bottom:0;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:16px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.site-footer p{font-size:14px;color:rgba(255,255,255,.66);max-width:330px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-links a:hover{color:var(--accent);text-decoration:none;}
.footer-contact{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);}
.footer-contact i{color:var(--accent);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  :root{--sp-section:64px;}
  .layout-two{grid-template-columns:minmax(0,1fr) 300px;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:991px){
  .hero-cat .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual img{height:auto;aspect-ratio:16/10;}
  .layout-two{grid-template-columns:1fr;}
  .side-card{position:static;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .stat-strip .stat:nth-child(2){border-right:0;}
  .stat-strip .stat:nth-child(1),
  .stat-strip .stat:nth-child(2){border-bottom:1px solid var(--line);}
  .audience-grid{grid-template-columns:1fr;}
  .audience{border-right:0;border-bottom:1px solid var(--line);}
  .audience:last-child{border-bottom:0;}
  .cta-band .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;padding:48px 0;}
}
@media screen and (max-width:767px){
  :root{--sp-section:48px;}
  body{font-size:15px;line-height:1.8;}
  .grid-container{padding-left:18px;padding-right:18px;}
  .nav-bar{height:60px;gap:14px;}
  .nav-menu{
    display:none;position:fixed;left:0;right:0;top:60px;bottom:0;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;padding:12px 18px 32px;margin:0;
    overflow-y:auto;border-top:1px solid var(--line);
  }
  .nav-menu.is-open{display:flex;}
  .nav-link{height:auto;min-height:48px;padding:12px 8px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0;}
  .nav-link.is-active::after{left:8px;right:auto;width:36px;bottom:8px;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand{font-size:16px;}
  .hero-cat{padding:24px 0 48px;}
  .hero-cat .lede{font-size:16px;}
  .hero-meta{gap:18px;}
  .hero-meta .item strong{font-size:24px;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-strip .stat{border-right:0;border-bottom:1px solid var(--line);}
  .stat-strip .stat:last-child{border-bottom:0;}
  .hero-badge{max-width:88%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .flow-item{padding-bottom:32px;margin-bottom:32px;}
}

/* roulang page: article */
:root{
  --brand:#0F3D33;
  --brand-deep:#0B2F28;
  --accent:#C8F04A;
  --accent-2:#FF6B2C;
  --bg:#F7F6F1;
  --bg-soft:#F1F3EC;
  --card:#FFFFFF;
  --dark:#0B1F1A;
  --border:#E3E6DE;
  --text:#16211D;
  --text-2:#5B6A63;
  --text-3:#8C9A94;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-s:0 1px 2px rgba(11,31,26,.06),0 8px 24px rgba(11,31,26,.08);
  --shadow-h:0 12px 32px rgba(11,31,26,.14);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --font-num:"Barlow Condensed","PingFang SC","Microsoft YaHei",sans-serif;
  --sec-pad:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  background-image:radial-gradient(rgba(15,61,51,.05) 1px,transparent 1px);
  background-size:22px 22px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);background:#EAEDE6;}
a{color:var(--brand);text-decoration:none;text-underline-offset:3px;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--brand-deep);text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;}
h1,h2,h3,h4{margin:0;line-height:1.35;color:var(--text);}
p{margin:0 0 1.15em;}
ul,ol{margin:0 0 1.15em;padding-left:1.15em;}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(15,61,51,.35);outline-offset:2px;}
.grid-container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto;}
.grid-container.full{max-width:100%;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;line-height:1;border:1.5px solid transparent;
  cursor:pointer;transition:all .2s ease;text-decoration:none;white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand);}
.btn-primary:hover{background:var(--accent);color:var(--brand-deep);border-color:var(--accent);}
.btn-accent{background:var(--accent);color:var(--brand-deep);border-color:var(--accent);font-weight:800;}
.btn-accent:hover{background:#fff;color:var(--brand-deep);border-color:#fff;}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand);color:#fff;}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
.btn-outline-light:hover{background:#fff;color:var(--brand-deep);border-color:#fff;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.link-arrow{font-weight:700;color:var(--brand);text-underline-offset:4px;}
.link-arrow i{margin-left:6px;transition:transform .2s ease;}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 8px rgba(11,31,26,.05);
}
.nav-bar{display:flex;align-items:center;gap:26px;height:72px;position:relative;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--brand);flex:0 0 auto;}
.brand:hover{text-decoration:none;color:var(--brand);}
.brand-mark{width:28px;height:28px;flex:0 0 28px;}
.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:8px;font-size:15px;font-weight:600;
  color:var(--text);text-decoration:none;transition:background-color .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--bg-soft);color:var(--brand);text-decoration:none;}
.nav-link.is-active{color:var(--brand);font-weight:800;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--accent);border-radius:2px;
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  background:var(--bg-soft);border:1px solid transparent;border-radius:999px;
  transition:all .2s ease;color:var(--text-3);
}
.nav-search input{
  width:130px;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,61,51,.12);}
.nav-cta{min-height:40px;}
.nav-toggle{
  display:none;background:#fff;border:1px solid var(--border);border-radius:10px;
  width:44px;height:44px;color:var(--brand);cursor:pointer;
}
.nav-toggle:hover{background:var(--bg-soft);}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--border);}
.crumb{display:flex;align-items:center;gap:10px;padding:14px 0;font-size:13px;color:var(--text-2);flex-wrap:wrap;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb i{font-size:10px;color:var(--text-3);}
.crumb .crumb-now{color:var(--text);font-weight:600;max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-head{padding:48px 0 0;}
.article-head-inner{max-width:860px;margin:0 auto;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:.12em;
  text-transform:uppercase;color:var(--text-2);margin-bottom:14px;
}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:700;background:rgba(15,61,51,.1);color:var(--brand);
}
.article-title{
  font-size:clamp(30px,3.6vw,42px);font-weight:800;letter-spacing:-.01em;
  margin:16px 0 18px;line-height:1.3;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  font-size:13px;color:var(--text-2);padding-bottom:26px;border-bottom:1px solid var(--border);
}
.article-meta .sep{width:1px;height:12px;background:var(--border);}
.article-hero{margin:30px 0 8px;}
.article-hero img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:16px;box-shadow:var(--shadow-s);}
.article-hero figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}

/* ---------- 文章布局 ---------- */
.article-layout{padding:56px 0 var(--sec-pad);}
.toc-col{display:block;}
.toc-card{
  position:sticky;top:104px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-s);
}
.toc-card h4{font-size:13px;letter-spacing:.1em;color:var(--text-3);font-weight:800;margin-bottom:12px;}
.toc-list{list-style:none;margin:0;padding:0;font-size:14px;}
.toc-list li{margin-bottom:4px;}
.toc-list a{
  display:block;padding:7px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;
  color:var(--text-2);line-height:1.5;
}
.toc-list a:hover{background:var(--bg-soft);color:var(--brand);text-decoration:none;}
.toc-list a.is-current{color:var(--brand);font-weight:700;border-left-color:var(--accent);background:rgba(200,240,74,.16);}
.article-main{max-width:760px;margin:0 auto;}

/* ---------- 正文排版 ---------- */
.article-body{font-size:16px;line-height:1.85;color:var(--text);}
.article-body p{margin:0 0 1.15em;}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);font-weight:800;
  margin:48px 0 16px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;
  background:var(--accent);border-radius:2px;
}
.article-body h3{font-size:20px;font-weight:700;margin:32px 0 12px;}
.article-body h4{font-size:17px;font-weight:700;margin:24px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.3em;}
.article-body li{margin-bottom:.5em;}
.article-body ul{list-style:none;padding-left:1.2em;}
.article-body ul>li{position:relative;}
.article-body ul>li::before{
  content:"";position:absolute;left:-1.05em;top:.72em;width:7px;height:7px;
  background:var(--brand);border-radius:2px;
}
.article-body ol{list-style:decimal;}
.article-body ol>li::marker{color:var(--brand);font-weight:700;}
.article-body a{color:var(--brand);font-weight:600;text-decoration:underline;text-decoration-color:rgba(200,240,74,.9);text-decoration-thickness:2px;}
.article-body a:hover{text-decoration-color:var(--brand);}
.article-body blockquote{
  margin:28px 0;padding:18px 22px;background:var(--bg-soft);
  border-left:4px solid var(--brand);border-radius:0 12px 12px 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{margin:24px 0 8px;border-radius:var(--radius-img);width:100%;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:28px 0;font-size:14px;
  border:1px solid var(--border);border-radius:12px;overflow:hidden;
}
.article-body thead th{background:var(--brand);color:#fff;font-weight:700;text-align:left;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--border);}
.article-body tbody tr:nth-child(even){background:#FAFBF7;}
.article-body strong{font-weight:800;color:var(--brand-deep);}
.article-body hr{border:0;border-top:1px solid var(--border);margin:36px 0;}

/* ---------- 空态 ---------- */
.empty-state{
  background:var(--card);border:1px dashed var(--border);border-radius:var(--radius-card);
  padding:48px 28px;text-align:center;box-shadow:var(--shadow-s);
}
.empty-state i{font-size:30px;color:var(--text-3);margin-bottom:14px;display:block;}
.empty-state h3{font-size:20px;margin-bottom:8px;}
.empty-state p{color:var(--text-2);margin-bottom:20px;}

/* ---------- 标签 ---------- */
.tag-block{margin-top:44px;padding-top:26px;border-top:1px solid var(--border);}
.tag-block h4{font-size:13px;color:var(--text-3);letter-spacing:.1em;font-weight:800;margin-bottom:14px;}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--border);font-size:13px;color:var(--text-2);
  transition:all .2s ease;
}
.tag:hover{border-color:var(--brand);color:var(--brand);background:var(--bg-soft);text-decoration:none;}

/* ---------- 相关推荐 ---------- */
.related-sec{padding:0 0 var(--sec-pad);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(24px,2.6vw,30px);font-weight:800;}
.sec-head p{color:var(--text-2);font-size:14px;margin:6px 0 0;}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease;height:100%;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);text-decoration:none;}
.rel-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;}
.rel-card-body{padding:20px 22px 24px;}
.rel-card-body .chip{margin-bottom:10px;}
.rel-card-body h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.rel-card-body p{font-size:14px;color:var(--text-2);margin:0;}
.back-row{display:flex;justify-content:center;margin-top:38px;}

/* ---------- CTA ---------- */
.cta-band{background:var(--brand);padding:56px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.4vw,30px);font-weight:800;}
.cta-inner p{color:rgba(255,255,255,.78);margin:8px 0 0;font-size:15px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--brand);color:#fff;border:0;display:none;align-items:center;justify-content:center;
  cursor:pointer;box-shadow:var(--shadow-h);z-index:900;transition:all .2s ease;
}
.to-top:hover{background:var(--accent);color:var(--brand-deep);}
.to-top.is-show{display:flex;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-brand .brand-mark{width:28px;height:28px;}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin:0;}
.site-footer h4{font-size:14px;color:#fff;font-weight:800;margin-bottom:16px;letter-spacing:.04em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-links a:hover{color:var(--accent);text-decoration:none;}
.footer-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;font-size:14px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.7;}
.footer-contact i{color:var(--accent);margin-top:5px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 断点 ---------- */
@media screen and (max-width:1199px){
  :root{--sec-pad:64px;}
  .toc-col{display:none;}
  .article-layout{padding-top:44px;}
}
@media screen and (max-width:991px){
  .nav-bar{height:64px;gap:12px;}
  .nav-menu{
    display:none;position:absolute;left:0;right:0;top:100%;background:#fff;
    flex-direction:column;align-items:stretch;gap:4px;padding:12px 16px 18px;
    border-bottom:1px solid var(--border);box-shadow:0 14px 28px rgba(11,31,26,.12);
  }
  .nav-menu.is-open{display:flex;}
  .nav-link{padding:13px 12px;min-height:44px;}
  .nav-link.is-active::after{left:12px;right:auto;width:26px;bottom:8px;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media screen and (max-width:767px){
  body{font-size:15px;line-height:1.8;}
  :root{--sec-pad:48px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .article-head{padding-top:30px;}
  .article-title{font-size:26px;}
  .crumb .crumb-now{max-width:52vw;}
  .rel-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
}
@media screen and (max-width:520px){
  .brand span{font-size:16px;}
  .nav-cta{display:none;}
  .article-body h2{margin-top:36px;}
  .article-body h3{margin-top:26px;}
}

/* roulang page: category2 */
:root{
  --green:#0F3D33;
  --green-soft:#1F6F55;
  --lime:#C8F04A;
  --orange:#FF6B2C;
  --bg:#F7F6F1;
  --card:#FFFFFF;
  --dark:#0B1F1A;
  --border:#E3E6DE;
  --text:#16211D;
  --muted:#5B6A63;
  --weak:#8C9A94;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(11,31,26,.06), 0 8px 24px rgba(11,31,26,.08);
  --shadow-2:0 12px 32px rgba(11,31,26,.14);
  --sec-pad:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--green);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--green-soft);text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:3px;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:800;letter-spacing:.01em;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(15,61,51,.35);outline-offset:2px;border-radius:6px;}
.num{font-family:"Barlow Condensed","Arial Narrow",Arial,sans-serif;font-weight:600;letter-spacing:.02em;}

.grid-container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;
  border-radius:var(--radius-btn);border:1.5px solid transparent;
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  text-decoration:none;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--green);color:#fff;}
.btn-primary:hover{background:var(--lime);color:var(--dark);}
.btn-outline{background:transparent;border-color:var(--green);color:var(--green);}
.btn-outline:hover{background:var(--green);color:#fff;}
.btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost:hover{background:#fff;color:var(--green);border-color:#fff;}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-lg{min-height:52px;padding:0 28px;font-size:16px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:#fff;border-bottom:1px solid var(--border);
  box-shadow:0 2px 8px rgba(11,31,26,.05);
}
.nav-bar{display:flex;align-items:center;gap:18px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--green);font-size:18px;font-weight:700;white-space:nowrap;}
.brand:hover{text-decoration:none;color:var(--green);}
.brand-mark{width:28px;height:28px;flex:0 0 28px;}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:12px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:8px;
  font-size:15px;font-weight:600;color:var(--text);
}
.nav-link:hover{background:#F1F3EC;color:var(--green);text-decoration:none;}
.nav-link.is-active{color:var(--green);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--lime);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;border-radius:999px;
  background:#F1F3EC;border:1px solid transparent;
  transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.nav-search i{color:var(--weak);font-size:14px;}
.nav-search input{
  width:140px;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);font-family:inherit;
}
.nav-search:focus-within{background:#fff;border-color:var(--green);box-shadow:0 0 0 3px rgba(15,61,51,.12);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;
  background:#F1F3EC;border:1px solid var(--border);color:var(--green);
  font-size:18px;cursor:pointer;
}
.nav-toggle:hover{background:#E7EBE1;}

/* ============ 面包屑 ============ */
.crumb-bar{padding:20px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--weak);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--green);}
.crumb .sep{color:#C7CFC9;}
.crumb .now{color:var(--green);font-weight:700;}

/* ============ 首屏 ============ */
.hero-c2{
  position:relative;margin-top:20px;
  background:var(--dark);overflow:hidden;
  border-radius:0;
}
.hero-c2-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(11,31,26,.82) 0%,rgba(11,31,26,.88) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.96;
}
.hero-c2-inner{position:relative;z-index:2;padding:76px 0 72px;max-width:820px;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--green);
}
.eyebrow-light{color:var(--lime);}
.hero-c2 h1{
  margin:14px 0 18px;color:#fff;
  font-size:clamp(34px,4vw,42px);font-weight:800;line-height:1.28;
}
.hero-lead{color:rgba(255,255,255,.82);font-size:17px;max-width:640px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16);}
.hero-stat strong{display:block;font-family:"Barlow Condensed",Arial,sans-serif;font-weight:600;font-size:34px;line-height:1.1;color:var(--lime);}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.7);}

/* ============ 通用板块 ============ */
.section{padding:var(--sec-pad) 0;}
.section-alt{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head h2{font-size:clamp(24px,2.6vw,30px);margin:12px 0 14px;}
.sec-head p{color:var(--muted);}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ============ 筛选 chip ============ */
.chip-row{
  display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px;
}
.chip{
  display:inline-flex;align-items:center;
  min-height:40px;padding:0 20px;border-radius:999px;
  background:#fff;border:1px solid var(--border);
  font-size:14px;font-weight:700;color:var(--muted);cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.chip:hover{border-color:var(--green);color:var(--green);transform:translateY(-1px);}
.chip.is-active{background:var(--green);border-color:var(--green);color:#fff;}

/* ============ 训练卡片矩阵 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.train-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.train-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D5DBD2;}
.train-card figure{margin:0;background:#EDEEE7;}
.train-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.train-card-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.tag{
  display:inline-block;align-self:flex-start;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.02em;
  background:rgba(15,61,51,.09);color:var(--green);
}
.train-card h3{font-size:20px;font-weight:700;margin:14px 0 10px;}
.train-card p{
  color:var(--muted);font-size:15px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:18px;
}
.card-link{
  margin-top:auto;font-size:14px;font-weight:700;color:var(--green);
  display:inline-flex;align-items:center;gap:6px;
}
.card-link i{font-size:12px;transition:transform .2s ease;}
.card-link:hover{color:var(--green-soft);text-decoration:none;}
.card-link:hover i{transform:translateX(3px);}

/* ============ 训练周期 ============ */
.cycle-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center;}
.cycle-figure{margin:0;border-radius:16px;overflow:hidden;background:#EDEEE7;box-shadow:var(--shadow-1);}
.cycle-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.step-list{display:flex;flex-direction:column;gap:26px;margin-top:30px;}
.step{display:flex;gap:16px;align-items:flex-start;}
.step-num{
  flex:0 0 36px;width:36px;height:36px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:var(--lime);color:var(--dark);
  font-family:"Barlow Condensed",Arial,sans-serif;font-weight:600;font-size:18px;
}
.step h3{font-size:18px;font-weight:700;margin-bottom:6px;}
.step p{color:var(--muted);font-size:15px;margin:0;}

/* ============ 对比表 ============ */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius-card);border:1px solid var(--border);background:#fff;box-shadow:var(--shadow-1);}
.cmp-table{width:100%;min-width:760px;border-collapse:collapse;}
.cmp-table thead th{
  background:var(--green);color:#fff;text-align:left;
  padding:16px 20px;font-size:14px;font-weight:700;letter-spacing:.02em;white-space:nowrap;
}
.cmp-table thead th:first-child{border-top-left-radius:13px;}
.cmp-table thead th:last-child{border-top-right-radius:13px;}
.cmp-table td{
  padding:16px 20px;font-size:15px;color:var(--muted);
  border-bottom:1px solid var(--border);vertical-align:top;
}
.cmp-table tbody tr:nth-child(even){background:#FBFAF6;}
.cmp-table tbody tr:hover{background:#F4F6EE;}
.cmp-table td:first-child{color:var(--text);font-weight:700;}
.cmp-table tbody tr:last-child td{border-bottom:0;}

/* ============ 养护要点 ============ */
.care-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:start;}
.marker-list{display:flex;flex-direction:column;gap:18px;margin-top:26px;}
.marker-list li{display:flex;gap:14px;align-items:flex-start;font-size:15px;color:var(--muted);}
.marker-list .sq{
  flex:0 0 10px;width:10px;height:10px;margin-top:9px;border-radius:3px;background:var(--lime);
}
.marker-list strong{color:var(--text);}
.budget-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-1);
}
.budget-card h3{font-size:18px;margin-bottom:16px;}
.budget-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px dashed var(--border);}
.budget-row:last-of-type{border-bottom:0;}
.budget-row span{font-size:14px;color:var(--muted);}
.budget-row strong{font-family:"Barlow Condensed",Arial,sans-serif;font-weight:600;font-size:24px;color:var(--green);}
.budget-note{margin-top:18px;font-size:13px;color:var(--weak);}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:880px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:0 1px 2px rgba(11,31,26,.04);overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--shadow-1);border-color:#D8DED4;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:700;color:var(--text);line-height:1.6;
}
.faq-q .ico{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#F1F3EC;color:var(--green);font-size:13px;
  transition:transform .3s ease,background-color .3s ease;
}
.faq-item.is-open .faq-q .ico{transform:rotate(180deg);background:var(--lime);color:var(--dark);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a-inner{padding:0 24px 22px 24px;}
.faq-a-inner p{
  margin:0;padding-left:14px;border-left:3px solid var(--lime);
  color:var(--muted);font-size:15px;
}
.faq-item.is-open .faq-a{max-height:420px;}

/* ============ CTA ============ */
.cta-band{background:var(--green);color:#fff;padding:56px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(22px,2.4vw,28px);color:#fff;margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.78);margin:0;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-actions .btn-accent{background:var(--lime);color:var(--dark);}
.cta-actions .btn-accent:hover{background:#fff;color:var(--green);}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 28px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px;}
.footer-brand .brand-mark{width:28px;height:28px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--lime);text-decoration:none;}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.72);}
.footer-contact i{color:var(--lime);margin-top:4px;font-size:13px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:900;
  width:48px;height:48px;border-radius:50%;
  display:none;align-items:center;justify-content:center;
  background:var(--green);color:#fff;border:0;cursor:pointer;
  box-shadow:var(--shadow-1);
  transition:background-color .2s ease,transform .2s ease;
}
.to-top:hover{background:var(--lime);color:var(--dark);transform:translateY(-2px);}
.to-top.is-show{display:flex;}

/* ============ 断点 ============ */
@media (max-width:1199px){
  :root{--sec-pad:72px;}
  .card-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .cycle-grid{gap:40px;}
}
@media (max-width:991px){
  :root{--sec-pad:64px;}
  .nav-bar{height:64px;}
  .nav-menu{
    position:fixed;left:0;right:0;top:64px;
    display:none;flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;padding:14px 20px 22px;
    border-bottom:1px solid var(--border);
    box-shadow:0 12px 24px rgba(11,31,26,.10);
    max-height:calc(100vh - 64px);overflow-y:auto;margin-left:0;
  }
  .nav-menu.is-open{display:flex;}
  .nav-link{padding:14px 12px;font-size:16px;min-height:48px;}
  .nav-link.is-active::after{left:12px;right:auto;width:28px;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-c2-inner{padding:60px 0 56px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cycle-grid{grid-template-columns:1fr;gap:34px;}
  .care-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sec-pad:48px;}
  body{font-size:15px;line-height:1.8;}
  .nav-cta{display:none;}
  .brand span{font-size:16px;}
  .hero-c2-inner{padding:48px 0 44px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 160px;}
  .hero-stats{gap:22px;padding-top:20px;}
  .hero-stat strong{font-size:28px;}
  .card-grid{grid-template-columns:1fr;}
  .train-card-body{padding:18px;}
  .chip-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;}
  .chip-row::-webkit-scrollbar{display:none;}
  .chip{flex:0 0 auto;scroll-snap-align:start;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 140px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .hero-c2 h1{font-size:28px;}
  .sec-head h2{font-size:22px;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a-inner{padding:0 18px 18px 18px;}
  .budget-card{padding:20px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#0F3D33;
  --c-primary-deep:#0B2E26;
  --c-accent:#C8F04A;
  --c-orange:#FF6B2C;
  --bg:#F7F6F1;
  --card:#FFFFFF;
  --dark:#0B1F1A;
  --line:#E3E6DE;
  --tint:#F1F3EC;
  --t1:#16211D;
  --t2:#5B6A63;
  --t3:#8C9A94;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --sh-card:0 1px 2px rgba(11,31,26,.06),0 8px 24px rgba(11,31,26,.08);
  --sh-hover:0 12px 32px rgba(11,31,26,.14);
  --sec-pad:88px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t1);
  background:var(--bg);
}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:800;color:var(--t1)}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{
  color:var(--c-primary-deep);
  text-decoration:underline;
  text-decoration-color:var(--c-accent);
  text-decoration-thickness:2px;
  text-underline-offset:3px;
}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(200,240,74,.95);outline-offset:2px}

.grid-container{max-width:1200px;padding-left:24px;padding-right:24px}
.section{padding:var(--sec-pad) 0}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 8px rgba(11,31,26,.05);
}
.nav-bar{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--c-primary);white-space:nowrap}
.brand:hover{color:var(--c-primary);text-decoration:none}
.brand-mark{width:28px;height:28px;flex:0 0 28px}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1;margin-left:10px}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 14px;
  border-radius:8px;
  font-size:15px;
  font-weight:600;
  color:var(--t1);
}
.nav-link:hover{background:var(--tint);color:var(--c-primary);text-decoration:none}
.nav-link.is-active{color:var(--c-primary)}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--c-accent);
}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 14px;
  background:var(--tint);
  border:1px solid transparent;
  border-radius:var(--r-pill);
  transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.nav-search i{font-size:13px;color:var(--t3)}
.nav-search input{
  width:148px;
  height:100%;
  border:0;
  background:transparent;
  outline:none;
  font-size:14px;
  color:var(--t1);
}
.nav-search input::placeholder{color:var(--t3)}
.nav-search:focus-within{background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,61,51,.12)}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  cursor:pointer;
  color:var(--c-primary);
}
.nav-toggle:hover{background:var(--tint)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border:1.5px solid transparent;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(0)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-accent);color:var(--dark);transform:translateY(-1px)}
.btn-primary:active{background:#b9e13c}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-outline:hover{background:var(--c-primary);color:#fff;transform:translateY(-1px)}
.btn-ghost-light{border-color:rgba(255,255,255,.6);color:#fff;background:transparent}
.btn-ghost-light:hover{background:#fff;color:var(--c-primary)}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:700;
  color:var(--c-primary);
  text-decoration:underline;
  text-decoration-color:var(--c-accent);
  text-decoration-thickness:2px;
  text-underline-offset:3px;
}
.text-link:hover{color:var(--c-primary-deep);text-decoration-color:var(--c-primary)}

/* ---------- 首屏 ---------- */
.kb-hero{
  position:relative;
  overflow:hidden;
  padding:34px 0 72px;
  background:var(--c-primary);
  color:#fff;
}
.kb-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.3;
}
.kb-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(15,61,51,.72) 0%,rgba(11,31,26,.93) 100%);
}
.kb-hero .grid-container{position:relative;z-index:2}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.7);
  margin-bottom:30px;
}
.crumbs a{color:rgba(255,255,255,.82)}
.crumbs a:hover{color:#fff;text-decoration-color:var(--c-accent)}
.crumbs .sep{opacity:.5}
.crumbs .current{color:var(--c-accent)}
.kb-hero-inner{max-width:760px;margin:0 auto;text-align:center}
.eyebrow{
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--c-accent);
  margin:0 0 14px;
}
.kb-hero h1{
  font-size:clamp(34px,4vw,42px);
  font-weight:800;
  color:#fff;
  letter-spacing:.01em;
}
.kb-hero-sub{
  max-width:640px;
  margin:18px auto 0;
  font-size:16px;
  color:rgba(255,255,255,.82);
}
.kb-search{
  display:flex;
  align-items:center;
  gap:10px;
  max-width:660px;
  height:60px;
  margin:30px auto 0;
  padding:0 6px 0 22px;
  background:#fff;
  border-radius:var(--r-pill);
  box-shadow:0 12px 34px rgba(11,31,26,.28);
}
.kb-search i{color:var(--t3);font-size:16px}
.kb-search input{
  flex:1;
  height:100%;
  min-width:0;
  border:0;
  background:transparent;
  outline:none;
  font-size:16px;
  color:var(--t1);
}
.kb-search input::placeholder{color:var(--t3)}
.kb-search .btn{min-height:48px;padding:0 26px;border-radius:var(--r-pill);flex:0 0 auto}
.hero-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:24px}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:38px;
  padding:0 16px;
  border:1px solid rgba(255,255,255,.35);
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  color:#fff;
}
.chip:hover{background:var(--c-accent);border-color:var(--c-accent);color:var(--dark);text-decoration:none}

/* ---------- 数据条 ---------- */
.stats-band{background:#fff;border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:30px 26px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat-num{
  font-family:"Barlow Condensed","PingFang SC",sans-serif;
  font-size:40px;
  font-weight:600;
  line-height:1.05;
  color:var(--c-primary);
}
.stat-num small{font-size:18px;margin-left:2px}
.stat-label{margin-top:4px;font-size:13px;color:var(--t2)}

/* ---------- 知识库布局 ---------- */
.kb-layout{display:grid;grid-template-columns:290px minmax(0,1fr);gap:48px;align-items:start}
.kb-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 18px;
  box-shadow:var(--sh-card);
}
.side-title{
  margin:0 0 12px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--t3);
  text-transform:none;
}
.toc-link{
  display:block;
  padding:10px 12px;
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  font-size:14px;
  color:var(--t2);
}
.toc-link:hover{background:var(--tint);color:var(--c-primary);text-decoration:none}
.toc-link.is-active{
  background:var(--tint);
  border-left-color:var(--c-accent);
  color:var(--c-primary);
  font-weight:700;
}
.side-list li{margin-bottom:10px}
.side-list a{
  display:block;
  font-size:14px;
  line-height:1.7;
  color:var(--t2);
}
.side-list a:hover{color:var(--c-primary)}
.side-cta{margin-top:18px}
.side-cta .btn{width:100%}

.acc-group{margin-bottom:54px;scroll-margin-top:100px}
.acc-group:last-child{margin-bottom:0}
.group-head{margin-bottom:22px}
.group-head h2{font-size:clamp(24px,2.6vw,30px);font-weight:800}
.group-head .group-tag{
  display:inline-flex;
  align-items:center;
  min-height:24px;
  padding:0 10px;
  margin-bottom:10px;
  border-radius:var(--r-pill);
  background:rgba(15,61,51,.1);
  color:var(--c-primary);
  font-size:12px;
  font-weight:700;
}
.group-head p{margin:10px 0 0;font-size:15px;color:var(--t2)}

.acc-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.acc-item:hover{border-color:#cfd6cb}
.acc-item.is-open{box-shadow:var(--sh-card)}
.acc-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  width:100%;
  padding:20px 24px;
  border:0;
  background:transparent;
  text-align:left;
  font-size:16px;
  font-weight:700;
  line-height:1.6;
  color:var(--t1);
  cursor:pointer;
  transition:background-color .2s ease;
}
.acc-head:hover{background:var(--tint)}
.acc-item.is-open .acc-head{background:var(--tint)}
.acc-icon{
  flex:0 0 24px;
  width:24px;height:24px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-top:2px;
  border-radius:50%;
  background:rgba(15,61,51,.1);
  color:var(--c-primary);
  font-size:14px;
  font-weight:700;
  transition:transform .25s ease,background-color .25s ease;
}
.acc-item.is-open .acc-icon{transform:rotate(45deg);background:var(--c-accent);color:var(--dark)}
.acc-body{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .28s ease;
}
.acc-item.is-open .acc-body{grid-template-rows:1fr}
.acc-body-clip{overflow:hidden}
.acc-content{
  margin:0 24px 22px;
  padding-left:16px;
  border-left:3px solid var(--c-accent);
  font-size:15px;
  color:var(--t2);
}
.acc-content p{margin-bottom:.9em}
.acc-content strong{color:var(--t1)}

/* ---------- 流程 ---------- */
.flow-section{
  background:#fff;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:var(--sec-pad) 0;
}
.flow-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
.section-head{margin-bottom:34px}
.section-head h2{font-size:clamp(24px,2.6vw,30px)}
.section-head p{margin:12px 0 0;font-size:15px;color:var(--t2);max-width:640px}
.flow-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-img);
  background:var(--tint);
}
.step{padding:18px 0;border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:0;padding-bottom:0}
.step:first-child{padding-top:0}
.step-no{
  font-family:"Barlow Condensed","PingFang SC",sans-serif;
  font-size:24px;
  font-weight:600;
  color:var(--c-primary);
  line-height:1.2;
  margin-bottom:6px;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:6px}
.step p{font-size:15px;color:var(--t2);margin:0}

/* ---------- CTA ---------- */
.cta-band{padding:var(--sec-pad) 0}
.cta-card{
  background:var(--tint);
  border:1px solid var(--line);
  border-radius:20px;
  padding:48px;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,.9fr);
  gap:44px;
  align-items:center;
}
.cta-card h2{font-size:clamp(24px,2.6vw,30px);margin-bottom:12px}
.cta-card p{font-size:15px;color:var(--t2);margin:0}
.cta-form{display:flex;flex-direction:column;gap:14px}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field label{font-size:13px;font-weight:700;color:var(--t1)}
.form-field input{
  height:48px;
  padding:0 16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-field input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,61,51,.14)}
.form-hint{font-size:13px;color:var(--t3)}
.form-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{width:26px;height:26px}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin:0}
.site-footer h4{font-size:14px;font-weight:700;color:#fff;margin:0 0 14px;letter-spacing:.04em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--c-accent);text-decoration-color:var(--c-accent)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72)}
.footer-contact i{color:var(--c-accent);margin-top:5px}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ---------- 回顶 ---------- */
.to-top{
  position:fixed;
  right:20px;
  bottom:20px;
  width:48px;height:48px;
  display:none;
  align-items:center;
  justify-content:center;
  border:0;
  border-radius:50%;
  background:var(--c-primary);
  color:#fff;
  box-shadow:0 8px 22px rgba(11,31,26,.28);
  cursor:pointer;
  z-index:900;
  transition:background-color .2s ease,transform .2s ease;
}
.to-top:hover{background:var(--c-accent);color:var(--dark);transform:translateY(-2px)}
.to-top.is-visible{display:inline-flex}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sec-pad:72px}
  .kb-layout{grid-template-columns:250px minmax(0,1fr);gap:34px}
}

@media (max-width:991px){
  :root{--sec-pad:64px}
  .nav-bar{height:60px;gap:12px}
  .nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .nav-menu{
    position:fixed;
    left:0;right:0;top:60px;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    margin:0;
    padding:12px 16px 24px;
    background:#fff;
    box-shadow:0 18px 36px rgba(11,31,26,.14);
    max-height:calc(100vh - 60px);
    overflow:auto;
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  }
  .nav-menu.is-open{opacity:1;visibility:visible;transform:none}
  .nav-link{padding:14px 16px;min-height:44px;font-size:16px}
  .nav-link.is-active{background:var(--tint)}
  .nav-link.is-active::after{display:none}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .kb-layout{grid-template-columns:minmax(0,1fr)}
  .kb-side{position:static;flex-direction:row;flex-wrap:nowrap;overflow-x:auto;gap:14px;padding-bottom:6px;scroll-snap-type:x mandatory}
  .kb-side::-webkit-scrollbar{display:none}
  .side-card{min-width:260px;scroll-snap-align:start}
  .flow-grid{grid-template-columns:minmax(0,1fr);gap:36px}
  .cta-card{grid-template-columns:minmax(0,1fr);padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}

@media (max-width:767px){
  :root{--sec-pad:56px}
  body{font-size:15px;line-height:1.8}
  .grid-container{padding-left:18px;padding-right:18px}
  .kb-hero{padding:26px 0 56px}
  .kb-search{height:54px;padding-left:18px}
  .kb-search .btn{min-height:44px;padding:0 18px;font-size:14px}
  .kb-search input{font-size:15px}
  .acc-head{padding:18px 18px;font-size:15px}
  .acc-content{margin:0 18px 18px}
  .stat{padding:22px 18px}
  .stat-num{font-size:34px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
}

@media (max-width:520px){
  :root{--sec-pad:48px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat{padding:18px 14px}
  .stat-num{font-size:30px}
  .cta-card{padding:26px 20px;border-radius:16px}
  .cta-form .btn{width:100%}
  .hero-chips{gap:8px}
  .chip{min-height:34px;padding:0 12px;font-size:12px}
  .side-card{min-width:230px}
}