/* roulang page: index */
:root{
  --primary:#0F6B4F;
  --primary-dark:#0B5740;
  --deep:#0A2A23;
  --deep-2:#0D3530;
  --lime:#D8F178;
  --accent:#FF7A45;
  --bg:#F5F4EF;
  --card:#FFFFFF;
  --line:#DCE3DC;
  --text:#1F2A26;
  --muted:#5E6E66;
  --radius-sm:8px;
  --radius:12px;
  --radius-lg:16px;
  --shadow-sm:0 2px 8px rgba(10,42,35,.06);
  --shadow-md:0 12px 24px rgba(10,42,35,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-main:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"DIN Alternate","Bahnschrift","Arial Narrow",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-main);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease)}
img{max-width:100%;display:block}
button,input,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;box-shadow:0 0 0 5px rgba(15,107,79,.12);border-radius:4px}
.site-container{width:min(100% - 48px,1200px);margin-inline:auto}
.site-section{padding-block:90px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--primary-dark);background:rgba(15,107,79,.09);padding:6px 12px;border-radius:999px}
.eyebrow::before{content:"";width:6px;height:6px;background:var(--lime);border-radius:50%}
.section-title{font-size:clamp(28px,3.2vw,42px);line-height:1.25;font-weight:800;color:var(--deep);letter-spacing:-.02em;margin:.5em 0 .32em}
.section-lead{font-size:17px;line-height:1.9;color:var(--muted);max-width:780px}

/* topbar */
.topbar{background:var(--deep);color:rgba(255,255,255,.82);font-size:13px;line-height:1.4}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:40px}
.topbar-domain{font-family:var(--font-num);letter-spacing:.02em;color:#fff;opacity:.8}
.topbar-right{display:flex;align-items:center;gap:22px}
.topbar-moto{opacity:.68}
.topbar-link{color:var(--lime);font-weight:600;background:transparent;border:0;padding:0;cursor:pointer;font-size:13px}
.topbar-link:hover{text-decoration:underline}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-logo{width:44px;height:44px;border-radius:12px;background:var(--deep);display:inline-flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.brand-logo::before{content:"";width:24px;height:16px;border:2px solid var(--lime);border-radius:50% 50% 40% 40%;transform:rotate(-12deg);border-top-color:transparent}
.brand-logo::after{content:"";position:absolute;width:6px;height:6px;border-radius:50%;background:var(--accent);right:10px;top:10px}
.brand-text{line-height:1.04;display:flex;flex-direction:column}
.brand-text strong{font-size:23px;color:var(--deep);font-weight:900;letter-spacing:.02em}
.brand-text small{font-size:13px;color:var(--primary);font-weight:700;letter-spacing:.2em;margin-top:2px}
.main-nav{display:flex;align-items:center;gap:8px}
.nav-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:#33413b;padding:10px 14px;border-radius:var(--radius-sm);position:relative;transition:all .25s var(--ease)}
.nav-link:hover{color:var(--primary)}
.nav-link.is-active{color:var(--primary)}
.nav-link.is-active::after{content:"";position:absolute;height:2px;left:14px;right:14px;bottom:3px;background:var(--primary);border-radius:2px}
.nav-cta{margin-left:10px;background:var(--primary);color:#fff;padding:10px 18px;border-radius:999px;font-weight:700;font-size:14px;border:0;cursor:pointer;transition:background .25s var(--ease)}
.nav-cta:hover{background:var(--primary-dark);color:#fff}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;z-index:70}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--deep);border-radius:2px;transition:transform .3s var(--ease),opacity .3s}
.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)}

/* button */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;font-weight:700;line-height:1;padding:15px 26px;font-size:15px;cursor:pointer;border:0;transition:all .25s var(--ease)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-outline{border:2px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-light{background:var(--lime);color:var(--deep)}
.btn-light:hover{background:#c8e360;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#e85f32;transform:translateY(-2px);box-shadow:var(--shadow-md)}

/* hero */
.hero{background:linear-gradient(100deg,rgba(10,42,35,.94) 0%,rgba(10,42,35,.78) 46%,rgba(10,42,35,.55) 78%),url("/assets/images/backpic/back-1.webp") center/cover;color:#fff;padding:88px 0 96px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;bottom:-160px;width:480px;height:480px;border-radius:50%;border:52px solid rgba(216,241,120,.08)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center;position:relative;z-index:1}
.hero-badge{display:inline-flex;align-items:center;gap:10px;background:rgba(216,241,120,.14);border:1px solid rgba(216,241,120,.35);color:var(--lime);padding:8px 15px;border-radius:999px;font-size:13px;font-weight:600}
.hero-title{font-size:clamp(34px,4.8vw,56px);line-height:1.16;letter-spacing:-.03em;margin:22px 0 18px;font-weight:900}
.hero-title .brand-mark-line{color:var(--lime)}
.hero-lead{font-size:18px;line-height:1.9;color:rgba(255,255,255,.82);max-width:570px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:34px}
.hero-note{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.62);font-size:14px;margin-top:18px}
.hero-panel{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(12px);border-radius:22px;padding:30px}
.hero-panel-title{display:flex;align-items:center;justify-content:space-between;color:#fff;font-weight:700;font-size:15px;margin-bottom:18px}
.hero-panel-title span:last-child{color:var(--lime);font-family:var(--font-num);letter-spacing:.06em}
.hero-info-list{display:grid;gap:14px}
.hero-info-row{display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:14px 16px;transition:background .3s}
.hero-info-row:hover{background:rgba(216,241,120,.12)}
.info-label{color:rgba(255,255,255,.78);font-size:14px}
.info-val{font-family:var(--font-num);font-size:23px;font-weight:800;color:var(--lime)}
.info-val small{font-family:var(--font-main);font-size:13px;font-weight:400;color:rgba(255,255,255,.7);margin-left:4px}

/* metric band */
.metric-band{background:var(--deep);padding:36px 0;border-block:1px solid rgba(255,255,255,.08)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.metric-item{display:flex;align-items:center;gap:16px;padding:8px 4px}
.metric-icon{width:46px;height:46px;flex:0 0 auto;border-radius:14px;background:rgba(216,241,120,.12);color:var(--lime);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800}
.metric-num{font-family:var(--font-num);font-size:32px;line-height:1;font-weight:800;color:#fff}
.metric-name{color:rgba(255,255,255,.7);font-size:14px;margin-top:6px}
.metric-name strong{color:var(--lime);font-weight:600}

/* service */
.service-wrap{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.service-card{background:#fff;border-radius:20px;box-shadow:var(--shadow-sm);overflow:hidden;border:1px solid rgba(220,227,220,.7);transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.service-main{grid-column:1/-1;display:grid;grid-template-columns:1.02fr .98fr;min-height:330px}
.service-main .service-media{height:100%;min-height:300px;overflow:hidden}
.service-main .service-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.service-main:hover .service-media img{transform:scale(1.04)}
.service-content{padding:34px}
.service-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(15,107,79,.08);color:var(--primary-dark);font-size:13px;font-weight:700;padding:5px 12px;border-radius:999px}
.service-h3{font-size:24px;line-height:1.4;margin:14px 0 12px;color:var(--deep);font-weight:800}
.service-desc{color:var(--muted);line-height:1.85;font-size:15px}
.service-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:700;margin-top:18px;font-size:15px}
.service-link:hover{gap:11px;text-decoration:underline}
.service-side{display:flex;flex-direction:column;gap:24px}
.service-mini{padding:28px;background:var(--deep);border-radius:18px;color:#fff;position:relative;overflow:hidden;flex:1}
.service-mini::after{content:"◆";position:absolute;right:18px;bottom:6px;font-size:70px;color:rgba(216,241,120,.07)}
.service-mini .service-h3{color:#fff;font-size:22px}
.service-mini .service-desc{color:rgba(255,255,255,.72)}
.service-mini .service-link{color:var(--lime)}
.service-mini-card{background:#fff}
.service-mini-card .service-h3{font-size:19px}
.service-stats-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:18px}
.service-stats-pill{border-radius:10px;padding:4px 10px;font-size:12px;background:var(--lime);color:var(--deep);font-weight:700}

/* direction entry */
.direction-bar{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:30px;box-shadow:var(--shadow-sm)}
.direction-title{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--deep)}
.direction-title b{color:var(--primary)}
.direction-links{display:flex;gap:10px;flex-wrap:wrap}
.dir-btn{background:var(--bg);border:1px solid var(--line);padding:9px 16px;border-radius:999px;font-weight:600;color:var(--deep);transition:.3s}
.dir-btn:hover{border-color:var(--primary);color:var(--primary);background:rgba(15,107,79,.06)}

/* latest CMS */
.news-section{background:#fff;border-block:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:42px}
.section-head .text-side{max-width:680px}
.news-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.cms-span-7{grid-column:span 7}
.cms-span-5{grid-column:span 5}
.cms-span-6{grid-column:span 6}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.news-card-media{position:relative;overflow:hidden;aspect-ratio:16/9}
.news-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.news-card:hover .news-card-media img{transform:scale(1.03)}
.news-badge{position:absolute;left:14px;top:14px;background:var(--lime);color:var(--deep);font-size:13px;font-weight:800;padding:4px 10px;border-radius:999px}
.news-card-body{padding:20px 20px 18px}
.news-card-title{font-size:19px;font-weight:800;color:var(--deep);line-height:1.45;margin:6px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .news-card-title{color:var(--primary)}
.news-card-desc{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.7}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:#8a9890}
.news-meta-dot{width:3px;height:3px;border-radius:50%;background:#b6c0b9}
.news-read{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:700;font-size:14px;margin-top:14px}
.news-card--feature .news-card-media{aspect-ratio:auto;height:100%;min-height:240px}
.news-card--feature .news-card-body{padding:28px}
.news-card--feature .news-card-title{font-size:26px;-webkit-line-clamp:3}
.news-card--feature .news-card-desc{font-size:16px;-webkit-line-clamp:3}
.news-card--feature .news-badge{background:var(--primary);color:#fff}
.news-card--sub .news-card-body{padding:20px}
.news-card--sub .news-card-title{font-size:17px;line-height:1.5}
.news-card--sub .news-card-desc{display:none}
.news-empty{background:var(--bg);border:1px dashed #cbd5cd;border-radius:20px;padding:64px 20px;text-align:center;color:var(--muted)}
.news-empty span{display:block;font-size:18px;font-weight:800;color:var(--deep);margin-bottom:10px}
.view-all-wrap{text-align:center;margin-top:44px}

/* compare */
.compare-grid{display:grid;grid-template-columns:1fr auto 1fr;gap:28px;align-items:stretch}
.compare-col{background:#fff;border-radius:20px;padding:36px;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.compare-new{background:var(--deep);color:rgba(255,255,255,.85)}
.compare-new h3{color:#fff}
.compare-old h3{color:var(--deep)}
.compare-col h3{font-size:22px;font-weight:800;margin-bottom:20px}
.compare-list{list-style:none;margin:0;padding:0;display:grid;gap:16px}
.compare-list li{display:flex;gap:12px;line-height:1.7;font-size:15px;align-items:flex-start}
.compare-list li::before{content:"×";display:inline-flex;width:24px;height:24px;flex:0 0 auto;border-radius:50%;background:rgba(255,122,69,.15);color:var(--accent);align-items:center;justify-content:center;font-weight:800;font-size:14px;margin-top:2px}
.compare-new .compare-list li::before{content:"✓";background:rgba(216,241,120,.14);color:var(--lime)}
.compare-divider{display:flex;align-items:center}
.compare-divider span{background:var(--lime);color:var(--deep);width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:15px}

/* FAQ */
.faq-section{background:#fff;border-block:1px solid var(--line)}
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px}
.faq-sticky-info{position:sticky;top:110px;align-self:start}
.faq-list{display:grid;gap:14px}
.faq-item{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden;transition:border-color .3s}
.faq-item.is-active{border-color:var(--primary)}
.faq-question{width:100%;border:0;background:none;text-align:left;padding:20px 20px 18px;font-size:17px;font-weight:700;color:var(--deep);display:flex;justify-content:space-between;align-items:center;gap:18px;cursor:pointer}
.faq-icon{width:30px;height:30px;flex:0 0 auto;border-radius:8px;background:rgba(15,107,79,.08);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:22px;transition:transform .35s var(--ease),background .3s}
.faq-item.is-active .faq-icon{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-answer{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s var(--ease)}
.faq-item.is-active .faq-answer{grid-template-rows:1fr}
.faq-answer-inside{overflow:hidden}
.faq-answer-inside p{margin:0;padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.9}

/* form CTA */
.cta-form-section{background:linear-gradient(120deg,#0B2B24 0%,#0A2A23 55%,#0F3B31 100%),url("/assets/images/backpic/back-2.png") center/cover;color:#fff}
.cta-form-inner{display:grid;grid-template-columns:.95fr 1.05fr;gap:60px;align-items:center}
.cta-copy h2{color:#fff;font-size:clamp(28px,3vw,40px);font-weight:800;margin:.4em 0 .5em;line-height:1.3}
.cta-copy p{color:rgba(255,255,255,.76)}
.contact-feature-list{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:16px}
.contact-feature-list li{display:flex;align-items:flex-start;gap:12px;border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:14px 16px;background:rgba(255,255,255,.05)}
.contact-feature-list .cf-icon{width:34px;height:34px;flex:0 0 auto;border-radius:9px;background:rgba(216,241,120,.12);color:var(--lime);display:flex;align-items:center;justify-content:center;font-weight:800}
.form-panel{background:#fff;border-radius:22px;padding:32px;color:var(--text);box-shadow:0 24px 48px rgba(0,0,0,.18)}
.form-panel h3{font-size:22px;color:var(--deep);margin:0 0 6px;font-weight:800}
.form-panel .form-desc{color:var(--muted);font-size:14px;margin-bottom:24px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-col-full{grid-column:1/-1}
.form-label{display:block;font-size:14px;font-weight:700;color:var(--deep);margin-bottom:8px}
.form-label em{color:var(--accent);font-style:normal}
.form-input{width:100%;border:1px solid #D5DDD6;background:#FBFCF9;border-radius:12px;padding:13px 14px;font-size:15px;color:var(--text);transition:.25s}
.form-input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(15,107,79,.10)}
textarea.form-input{resize:vertical;min-height:120px}
.form-actions-wrap{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:24px}
.privacy-note{font-size:13px;color:var(--muted);max-width:230px;line-height:1.6}
.form-success{display:none;margin-top:16px;background:rgba(15,107,79,.08);color:var(--primary-dark);border-radius:10px;padding:12px 16px;font-size:15px;font-weight:600}
.form-success.show{display:block}

/* footer */
.site-footer{background:var(--deep);color:rgba(255,255,255,.7)}
.footer-top{display:grid;grid-template-columns:1.25fr .8fr .9fr 1fr;gap:44px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand-logo{width:44px;height:44px;background:rgba(216,241,120,.1);border:1px solid rgba(216,241,120,.3);border-radius:12px;color:var(--lime);display:flex;align-items:center;justify-content:center;font-weight:900}
.footer-brand-name{color:#fff;font-size:21px;font-weight:900;line-height:1.15}
.footer-brand-name small{display:block;font-size:12px;font-weight:600;color:var(--lime);letter-spacing:.18em}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62)}
.footer-domain{font-family:var(--font-num);color:var(--lime);margin-top:14px;font-weight:700;font-size:14px}
.footer-title{font-size:16px;font-weight:800;color:#fff;margin:22px 0 18px}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.footer-links a{color:rgba(255,255,255,.66);font-size:14px;display:inline-flex;align-items:center;gap:8px}
.footer-links a::before{content:"·";color:var(--lime);font-weight:800}
.footer-links a:hover{color:#fff}
.footer-contact-item{display:flex;align-items:center;gap:12px;color:rgba(255,255,255,.68);font-size:14px;margin-bottom:12px}
.footer-contact-item b{color:var(--lime);font-weight:600}
.footer-divider{border-top:1px solid rgba(255,255,255,.1)}
.footer-copy{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-block:26px;color:rgba(255,255,255,.5);font-size:13px;flex-wrap:wrap}
.footer-copy a{color:rgba(255,255,255,.65)}
.footer-copy a:hover{color:var(--lime)}

@media (max-width:1024px){
  .nav-toggle{display:inline-flex}
  .main-nav{position:fixed;top:0;right:-330px;width:300px;height:100vh;background:#fff;box-shadow:-12px 0 36px rgba(10,42,35,.12);flex-direction:column;align-items:stretch;gap:4px;padding:112px 22px 30px;z-index:65;border-radius:0 0 0 24px;transition:right .35s var(--ease);overflow-y:auto}
  .main-nav.is-open{right:0}
  .nav-link{justify-content:flex-start;font-size:17px;padding:14px;border-radius:12px}
  .nav-link.is-active{background:rgba(15,107,79,.08)}
  .nav-link.is-active::after{display:none}
  .nav-cta{justify-content:center;margin-left:0;margin-top:10px}
  .hero{padding:70px 0}
  .hero-grid{grid-template-columns:1fr;gap:42px}
  .metric-grid{grid-template-columns:repeat(2,1fr);row-gap:24px}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-sticky-info{position:static}
  .cta-form-inner{grid-template-columns:1fr;gap:38px}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .site-container{width:min(100% - 32px,1200px)}
  .site-section{padding-block:64px}
  .section-head{flex-direction:column;margin-bottom:32px}
  .service-main{grid-template-columns:1fr}
  .service-main .service-media{min-height:200px}
  .service-wrap{grid-template-columns:1fr}
  .news-grid{display:flex;flex-direction:column}
  .cms-span-7,.cms-span-5,.cms-span-6{grid-column:auto}
  .news-card--feature .news-card-title{font-size:23px}
  .compare-grid{grid-template-columns:1fr}
  .compare-divider{justify-content:center;transform:rotate(90deg);padding:6px 0}
  .compare-col{padding:28px}
  .form-panel{padding:22px}
  .hero{padding:56px 0}
  .hero-actions .btn{width:100%}
  .direction-bar{align-items:flex-start;flex-direction:column}
  .footer-top{grid-template-columns:1fr;gap:32px;padding-block:48px 24px}
  .footer-copy{flex-direction:column;text-align:center}
  .brand-text strong{font-size:20px}
}
@media (max-width:520px){
  .topbar-moto{display:none}
  .metric-grid{grid-template-columns:1fr 1fr}
  .metric-num{font-size:25px}
  .form-grid{grid-template-columns:1fr}
  .site-container{width:min(100% - 24px,1200px)}
  .hero-title{font-size:34px}
  .section-lead{font-size:16px}
  .hero-panel{padding:22px}
  .nav-cta{padding:10px 14px}
}

/* roulang page: article */
:root {
  --brand: #0F6B4F;
  --brand-dark: #0A2A23;
  --brand-deep: #063A30;
  --lime: #D8F178;
  --orange: #FF7A45;
  --bg: #F5F4EF;
  --card: #FFFFFF;
  --line: #DCE3DC;
  --text: #1F2A26;
  --muted: #66736E;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(10,42,35,0.06);
  --shadow-lg: 0 12px 24px rgba(10,42,35,0.10);
  --font-ui: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button, input, textarea, select { font-family: inherit; font-size: inherit; outline: none; }
ul, ol { padding-left: 1.2em; }
:focus-visible { outline: 2px solid var(--brand-dark); outline-offset: 2px; }
.site-container {
  width: min(1200px, 100% - 32px);
  margin-inline: auto;
}

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #eee; }
::-webkit-scrollbar-thumb { background: #9eaba4; border-radius: 8px; }

.topbar {
  background: var(--brand-dark);
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  line-height: 38px;
  height: 38px;
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.topbar-domain {
  font-family: var(--font-num);
  letter-spacing: 0.4px;
  opacity: 0.9;
}
.topbar-links {
  display: flex;
  gap: 12px;
  align-items: center;
}
.topbar-links a {
  color: rgba(255,255,255,0.85);
  transition: color 0.2s;
}
.topbar-links a:hover { color: var(--lime); }
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 20px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
  position: relative;
}
.brand-logo::before {
  content: "";
  position: absolute;
  inset: 0;
  mask: radial-gradient(circle at 65% 30%, transparent 20%, #fff 26%);
  background:
    linear-gradient(135deg, transparent 34%, #fff 36% 40%, transparent 42%),
    radial-gradient(circle at 65% 30%, #fff 0 6px, transparent 8px);
  -webkit-mask: radial-gradient(circle at 50% 55%, transparent 10%, white 20%);
}
.brand-logo::after {
  content: "";
  position: absolute;
  left: 9px;
  right: 9px;
  bottom: 9px;
  height: 3px;
  border-radius: 4px;
  background: var(--lime);
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-text strong {
  color: var(--brand);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.brand-text small {
  color: var(--brand-dark);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 10px;
  color: #405049;
  font-weight: 500;
  border-radius: 8px;
  position: relative;
  transition: background 0.2s, color 0.2s;
}
.nav-link:hover { color: var(--brand); background: #EDF3F0; }
.nav-link.is-active { color: var(--brand); font-weight: 600; }
.nav-link.is-active::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 14px;
  right: 14px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand);
}
.nav-cta {
  margin-left: 8px;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
  border-radius: 8px;
  height: 40px;
  padding: 0 18px;
  transition: background 0.2s, transform 0.2s;
}
.nav-cta:hover { background: #0B5740; color: #fff; }
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  border-radius: 10px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 22px;
  margin-inline: auto;
  background: var(--brand-dark);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

.article-hero {
  position: relative;
  padding: 76px 0 100px;
  background:
    linear-gradient(120deg, rgba(10,42,35,0.94) 0%, rgba(15,107,79,0.86) 55%, rgba(10,42,35,0.70) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: #ffffff;
  overflow: hidden;
}
.article-hero::after {
  content: "";
  position: absolute;
  right: -180px;
  top: -60px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(216,241,120,0.18) 0%, rgba(216,241,120,0) 68%);
  pointer-events: none;
}
.article-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
  color: rgba(255,255,255,0.76);
  font-size: 14px;
  letter-spacing: 0.02em;
}
.article-breadcrumb a { color: rgba(255,255,255,0.76); transition: color 0.18s; }
.article-breadcrumb a:hover { color: var(--lime); }
.article-breadcrumb .sep { opacity: 0.5; }
.article-breadcrumb .current {
  color: #ffffff;
  font-weight: 500;
  max-width: 340px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.article-hero-title {
  max-width: 820px;
  margin: 0;
  font-size: clamp(30px, 4.5vw, 52px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.02em;
  text-wrap: balance;
}
.article-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 26px;
  color: rgba(255,255,255,0.78);
  font-size: 14px;
}
.article-meta-row .meta-tag {
  background: var(--lime);
  color: var(--brand-dark);
  padding: 4px 12px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13px;
}
.article-layout {
  position: relative;
  z-index: 2;
  margin-top: -64px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 32px;
  align-items: start;
  padding-bottom: 80px;
}
.article-main {
  background: var(--card);
  border: 1px solid rgba(220,227,220,0.85);
  border-radius: 22px;
  box-shadow: var(--shadow-lg);
  overflow: visible;
}
.article-paper {
  padding: 52px 58px 52px;
}
.article-empty {
  padding: 64px 40px;
  text-align: center;
  border-radius: 22px;
}
.article-empty-desc {
  font-size: 18px;
  color: var(--muted);
  margin-bottom: 22px;
}
.back-home-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
  border-radius: 10px;
  padding: 0 22px;
  height: 44px;
  transition: background 0.2s, transform 0.2s;
}
.back-home-btn:hover { background: #0B5740; }

.article-content { max-width: 100%; }
.article-content > *:first-child { margin-top: 0; }
.article-content img {
  border-radius: 14px;
  margin: 36px 0 16px;
  box-shadow: var(--shadow-sm);
}
.article-content p {
  margin: 1.2em 0;
  color: #2b3732;
  font-size: 16.5px;
  line-height: 1.9;
}
.article-content h2,
.article-content h3 {
  color: var(--brand-dark);
  margin: 1.8em 0 0.6em;
  line-height: 1.45;
  scroll-margin-top: 100px;
}
.article-content h2 { font-size: 28px; }
.article-content h3 { font-size: 21px; }
.article-content a {
  color: var(--brand);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}
.article-content a:hover { color: var(--brand-dark); }
.article-content blockquote {
  margin: 32px 0;
  padding: 18px 22px;
  border-left: 4px solid var(--brand);
  background: #E5F4Ec;
  border-radius: 0 14px 14px 0;
  color: #35524a;
  font-size: 17px;
}
.article-content blockquote p { margin: 0 0 8px; }
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content ul,
.article-content ol { padding-left: 1.4em; margin: 1.1em 0; color: #2b3732; }
.article-content li { margin: 0.45em 0; line-height: 1.8; }
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  border-radius: 12px;
  overflow: hidden;
}
.article-content th {
  background: var(--brand-dark);
  color: #fff;
  font-weight: 600;
  text-align: left;
}
.article-content th,
.article-content td {
  padding: 12px 14px;
  border: 1px solid var(--line);
}
.article-content tr:nth-child(even) td { background: #f8faf8; }
.article-content small,
.article-content .image-caption,
.article-content figcaption {
  font-size: 13px;
  color: var(--muted);
  text-align: center;
  display: block;
  margin: 10px auto 26px;
}

.article-sidebar {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.side-card {
  background: #fff;
  border: 1px solid rgba(220,227,220,0.9);
  border-radius: 18px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.side-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: rgba(15,107,79,0.1) url('/assets/images/coverpic/cover-1.png') center/cover no-repeat;
}
.side-label {
  margin-top: 16px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
}
.side-title {
  color: var(--brand-dark);
  font-size: 19px;
  font-weight: 700;
  margin: 8px 0 8px;
}
.side-copy {
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}
.side-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand);
  font-weight: 600;
  font-size: 14px;
}
.side-link svg { transition: transform 0.2s; }
.side-link:hover svg { transform: translateX(3px); }
.side-nav-list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
}
.side-nav-list li { border-bottom: 1px solid var(--line); }
.side-nav-list li:last-child { border-bottom: 0; }
.side-nav-list a {
  display: block;
  padding: 11px 2px;
  color: #485451;
  font-size: 14.5px;
  transition: all 0.2s;
}
.side-nav-list a:hover { color: var(--brand); padding-left: 8px; }

.recommend-block { padding: 0 0 92px; }
.recommend-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 34px;
}
.recommend-eyebrow {
  color: var(--brand);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.12em;
  margin: 0 0 8px;
}
.recommend-title {
  color: var(--brand-dark);
  font-size: 32px;
  font-weight: 800;
  letter-spacing: 0.02em;
  margin: 0;
}
.recommend-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.reco-card {
  background: #fff;
  border: 1px solid rgba(220,227,220,0.9);
  border-radius: 18px;
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
}
.reco-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.reco-thumb {
  height: 174px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.reco-thumb .badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--lime);
  color: var(--brand-dark);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 700;
}
.reco-body { padding: 22px 24px 24px; }
.reco-body h3 {
  margin: 0 0 10px;
  color: var(--brand-dark);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.5;
}
.reco-body p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}
.reco-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand);
  font-size: 14px;
  font-weight: 700;
}
.reco-more:hover { color: var(--brand-dark); }

.bottom-cta {
  background:
    linear-gradient(90deg, rgba(10,42,35,0.98), rgba(15,107,79,0.94)),
    url('/assets/images/backpic/back-3.png') center/cover;
  padding: 72px 0;
  color: #fff;
  text-align: center;
}
.bottom-cta h2 {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  margin: 0 0 14px;
}
.bottom-cta p {
  color: rgba(255,255,255,0.8);
  font-size: 16px;
  max-width: 600px;
  margin: 0 auto 26px;
}
.cta-btn-group {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-white { background: #fff; color: var(--brand-dark); }
.btn-white:hover { background: var(--lime); transform: translateY(-2px); }
.btn-lime { background: var(--lime); color: var(--brand-dark); }
.btn-lime:hover { background: #ffffff; transform: translateY(-2px); }

.quick-contact {
  background: #fff;
  padding: 88px 0;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: center;
}
.contact-intro .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(15,107,79,0.09);
  color: var(--brand);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin: 0 0 16px;
}
.contact-intro h2 {
  color: var(--brand-dark);
  font-size: clamp(28px, 3.4vw, 38px);
  line-height: 1.35;
  font-weight: 800;
  margin: 0 0 14px;
}
.contact-intro p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
  max-width: 480px;
}
.contact-benefits {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-benefits li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: #2f3f38;
  font-size: 15px;
}
.contact-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--lime);
  color: var(--brand-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 2px;
}
.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.channel-card {
  background: #f6f7f3;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.channel-card:hover { box-shadow: var(--shadow-sm); border-color: #b6cdbb; }
.channel-num {
  font-family: var(--font-num);
  font-size: 24px;
  font-weight: 800;
  color: var(--brand);
  min-width: 44px;
  text-align: center;
}
.channel-copy strong {
  display: block;
  color: var(--brand-dark);
  font-size: 16px;
  font-weight: 700;
}
.channel-copy span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  display: block;
}

.site-footer {
  background: var(--brand-dark);
  color: rgba(255,255,255,0.78);
  padding: 72px 0 28px;
  font-size: 14px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.7fr 0.9fr 1fr 1fr;
  gap: 40px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.footer-brand-logo {
  width: 42px;
  height: 42px;
  background: var(--lime);
  color: var(--brand-dark);
  font-weight: 800;
  font-size: 18px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer-brand-name {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
}
.footer-brand-name small {
  display: block;
  font-size: 12px;
  font-weight: 400;
  opacity: 0.7;
  letter-spacing: 0.08em;
}
.footer-about {
  max-width: 360px;
  color: rgba(255,255,255,0.7);
  line-height: 1.85;
  margin: 8px 0 18px;
}
.footer-domain {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  font-family: var(--font-num);
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.3px;
}
.footer-title {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin: 2px 0 18px;
  letter-spacing: 0.04em;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  color: rgba(255,255,255,0.7);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--lime); }
.footer-contact-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
}
.footer-contact-item span {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
}
.footer-contact-item b {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
}
.footer-divider {
  height: 1px;
  background: rgba(255,255,255,0.12);
  margin: 34px 0 22px;
}
.footer-copy {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  color: rgba(255,255,255,0.48);
  font-size: 13px;
}
.footer-copy a {
  color: rgba(255,255,255,0.65);
  transition: color 0.2s;
}
.footer-copy a:hover { color: var(--lime); }

@media (max-width: 1024px) {
  .main-nav {
    position: fixed;
    inset: 0 0 auto auto;
    width: 320px;
    max-width: 86vw;
    top: 0;
    height: 100vh;
    flex-direction: column;
    align-items: flex-start;
    background: #fff;
    padding: 92px 24px 30px;
    gap: 6px;
    box-shadow: -8px 0 30px rgba(0,0,0,0.12);
    transform: translateX(105%);
    transition: transform 0.3s ease;
    border-left: 1px solid var(--line);
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav a { width: 100%; }
  .main-nav .nav-cta { margin: 12px 0 0; justify-content: center; width: 100%; }
  .nav-link.is-active::after {
    left: 12px;
    right: auto;
    width: 3px;
    top: 8px;
    bottom: 8px;
    height: auto;
    border-radius: 6px;
  }
  .nav-toggle { display: flex; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .article-layout { grid-template-columns: 1fr; margin-top: -52px; }
  .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .recommend-cards { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .topbar-inner { font-size: 12px; }
  .article-hero { padding: 44px 0 88px; }
  .article-hero-title { font-size: 28px; }
  .article-paper { padding: 34px 24px; }
  .article-content p { font-size: 16px; }
  .article-content h2 { font-size: 23px; }
  .article-content h3 { font-size: 19px; }
  .recommend-cards { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 28px; }
  .bottom-cta { padding: 52px 0; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 540px) {
  .site-container { width: min(100% - 24px, 1200px); }
  .article-sidebar { grid-template-columns: 1fr; }
  .footer-copy { flex-direction: column; text-align: center; }
  .brand-text strong { font-size: 18px; }
  .article-breadcrumb { margin-bottom: 18px; }
  .cta-btn-group .btn { width: 100%; }
}

/* roulang page: category1 */
:root {
  --brand: #0F6B4F;
  --brand-hover: #0B5740;
  --deep: #0A2A23;
  --lime: #D8F178;
  --warm: #FF7A45;
  --bg: #F5F4EF;
  --surface: #FFFFFF;
  --ink: #1F2A26;
  --muted: #64746D;
  --line: #DCE3DC;
  --shadow-sm: 0 2px 8px rgba(10, 42, 35, 0.06);
  --shadow-md: 0 12px 24px rgba(10, 42, 35, 0.10);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  font-size: inherit;
  border: 0;
  background: none;
  padding: 0;
  cursor: pointer;
}

ul, ol, dl {
  margin: 0;
  padding: 0;
  list-style: none;
}

p, h1, h2, h3, h4, h5 {
  margin: 0;
}

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

section[id] {
  scroll-margin-top: 100px;
}

.site-container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.25s ease;
}

.site-header.scrolled {
  box-shadow: 0 8px 24px rgba(10, 42, 35, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  background: linear-gradient(140deg, var(--brand), var(--deep));
  position: relative;
  overflow: hidden;
}

.brand-logo::before {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  top: 10px;
  bottom: 10px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.9);
  border-top-color: var(--lime);
}

.brand-logo::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 8px;
  width: 4px;
  height: 16px;
  border-radius: 4px;
  transform: translateX(-50%);
  background: var(--lime);
}

.brand-text {
  display: block;
  line-height: 1.1;
}

.brand-text strong {
  display: block;
  font-size: 22px;
  font-weight: 800;
  color: var(--deep);
  letter-spacing: 0.02em;
}

.brand-text small {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--brand);
  letter-spacing: 0.3em;
  margin-top: 3px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  padding: 10px 2px;
  transition: color 0.2s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: var(--brand);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

.nav-link:hover {
  color: var(--brand);
}

.nav-link.is-active {
  color: var(--brand);
}

.nav-link.is-active::after,
.nav-link:hover::after {
  transform: scaleX(1);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  transition: all 0.22s ease;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--brand);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--brand-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(15, 107, 79, 0.22);
}

.btn-ghost {
  border-color: var(--brand);
  color: var(--brand);
  background: transparent;
}

.btn-ghost:hover {
  background: rgba(15, 107, 79, 0.08);
  transform: translateY(-2px);
}

.btn-warm {
  background: var(--warm);
  color: #ffffff;
}

.btn-warm:hover {
  background: #e96635;
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(255, 122, 69, 0.22);
}

.btn-light {
  background: var(--lime);
  color: var(--deep);
}

.btn-light:hover {
  background: #c8e265;
  transform: translateY(-2px);
}

.nav-cta {
  padding: 8px 16px;
  font-size: 14px;
  color: #ffffff;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(15, 107, 79, 0.08);
  position: relative;
  z-index: 1100;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 99px;
  background: var(--deep);
  margin: 5px auto;
  transition: all 0.2s ease;
}

.nav-toggle.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.page-hero {
  position: relative;
  background:
    linear-gradient(108deg, rgba(10, 42, 35, 0.94), rgba(10, 42, 35, 0.72)),
    url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  color: #ffffff;
  padding: 64px 0 76px;
  overflow: hidden;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 34px;
}

.breadcrumb a {
  color: var(--lime);
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb i {
  font-style: normal;
  color: rgba(255, 255, 255, 0.4);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(280px, 0.82fr);
  gap: 48px;
  align-items: center;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(216, 241, 120, 0.14);
  border: 1px solid rgba(216, 241, 120, 0.25);
  color: var(--lime);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
}

.page-hero h1 {
  font-size: clamp(38px, 5vw, 60px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin: 18px 0 18px;
}

.page-hero h1 .brand-head {
  display: block;
  margin-top: 14px;
  font-size: clamp(17px, 1.8vw, 22px);
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 6px 14px;
  width: fit-content;
  color: var(--lime);
  background: rgba(216, 241, 120, 0.12);
  border-radius: 10px;
  border: 1px solid rgba(216, 241, 120, 0.24);
}

.hero-desc {
  max-width: 640px;
  font-size: 17px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.hero-note {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  padding: 26px;
  backdrop-filter: blur(8px);
}

.hero-note h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 8px 0 16px;
  color: #ffffff;
}

.hero-note-list {
  display: grid;
  gap: 11px;
}

.hero-note-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.84);
}

.hero-note-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 12px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
}

.hero-note .muted-link {
  margin-top: 18px;
  color: var(--lime);
  font-weight: 600;
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.stats-band {
  background: var(--deep);
  border-top: 4px solid var(--brand);
  color: #ffffff;
  padding: 44px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.stat-item {
  border-left: 1px solid rgba(255, 255, 255, 0.16);
  padding-left: 22px;
}

.stat-num {
  font-family: var(--font-num);
  font-size: clamp(34px, 3.5vw, 52px);
  color: var(--lime);
  font-weight: 700;
  letter-spacing: -0.02em;
  display: block;
  line-height: 1.1;
}

.stat-label {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
}

.section {
  padding: 84px 0;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 36px;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: 0.16em;
  margin-bottom: 10px;
}

.section-heading h2 {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.section-heading .heading-note {
  max-width: 480px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.topic-section {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.topic-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.topic-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  background: var(--bg);
  border-radius: 999px;
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  transition: all 0.2s ease;
}

.topic-chip:hover {
  border-color: var(--brand);
  background: rgba(15, 107, 79, 0.06);
  color: var(--brand);
  transform: translateY(-1px);
}

.topic-chip strong {
  color: var(--brand);
  font-family: var(--font-num);
  font-size: 15px;
}

.topic-chip.hot {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--deep);
}

.guide-section {
  background: var(--bg);
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.guide-card {
  position: relative;
  background: var(--surface);
  border: 1px solid rgba(220, 227, 220, 0.9);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  scroll-margin-top: 104px;
}

.guide-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.guide-media {
  position: relative;
  overflow: hidden;
  background: #e8efe8;
}

.guide-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.guide-card:hover .guide-media img {
  transform: scale(1.03);
}

.guide-card-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  min-height: 300px;
}

.guide-card--wide .guide-card-inner {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
}

.card-vertical {
  display: flex;
  flex-direction: column;
}

.card-vertical .guide-media {
  aspect-ratio: 16 / 10;
  max-height: 210px;
}

.guide-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.guide-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  background: var(--lime);
  color: var(--deep);
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
}

.read-time {
  font-size: 13px;
  color: #9aa7a1;
}

.guide-body h3 {
  font-size: clamp(18px, 1.5vw, 24px);
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--ink);
}

.guide-body p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 16px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand);
  font-weight: 700;
  font-size: 14px;
}

.text-link::after {
  content: "→";
  transition: transform 0.2s ease;
}

.text-link:hover::after {
  transform: translateX(4px);
}

.outline-band {
  background: var(--deep);
  color: #ffffff;
  padding: 88px 0;
}

.outline-head {
  max-width: 620px;
  margin-bottom: 48px;
}

.outline-head .eyebrow {
  color: var(--lime);
}

.outline-head h2 {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.3;
}

.outline-head p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 16px;
}

.outline-list {
  display: grid;
}

.outline-item {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr) auto;
  align-items: center;
  gap: 30px;
  padding: 28px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.outline-num {
  font-family: var(--font-num);
  font-size: 56px;
  font-weight: 700;
  color: var(--lime);
  line-height: 1;
}

.outline-content h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.outline-content p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  line-height: 1.8;
  max-width: 720px;
}

.outline-arrow {
  color: var(--lime);
  font-size: 22px;
}

.outline-item a {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  justify-content: flex-end;
  color: var(--lime);
  font-size: 15px;
  font-weight: 600;
}

.outline-item a span {
  border-bottom: 1px solid rgba(216, 241, 120, 0.4);
}

.faq-section {
  background: var(--surface);
}

.faq-wrap {
  max-width: 880px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item:hover,
.faq-item.is-open {
  border-color: rgba(15, 107, 79, 0.4);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 20px 24px;
  text-align: left;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  background: none;
  transition: color 0.2s ease;
}

.faq-question:hover {
  color: var(--brand);
}

.faq-icon {
  position: relative;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--brand);
  transition: transform 0.25s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 11px;
  height: 2px;
  border-radius: 2px;
  background: #ffffff;
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
  background: var(--warm);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.28s ease, padding 0.28s ease;
  padding: 0 24px;
}

.faq-item.is-open .faq-answer {
  max-height: 420px;
  padding: 0 24px 22px;
  border-top: 1px solid var(--line);
  margin-top: -2px;
}

.faq-answer p {
  padding-top: 16px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.contact-section {
  padding: 90px 0;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.97)),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--line);
}

.contact-copy {
  background: var(--deep);
  color: #ffffff;
  padding: 42px;
}

.contact-copy .eyebrow {
  color: var(--lime);
}

.contact-copy h2 {
  font-size: clamp(24px, 2.4vw, 34px);
  line-height: 1.4;
  margin: 6px 0 18px;
}

.contact-copy p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 24px;
}

.contact-list {
  display: grid;
  gap: 14px;
  margin-bottom: 28px;
}

.contact-list li {
  position: relative;
  padding-left: 28px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.9);
}

.contact-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 19px;
  height: 19px;
  line-height: 19px;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  background: var(--lime);
  color: var(--deep);
  border-radius: 50%;
}

.contact-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.contact-meta strong {
  color: var(--lime);
  font-weight: 600;
}

.form-panel {
  padding: 42px;
}

.form-panel h3 {
  font-size: 22px;
  margin-bottom: 6px;
}

.form-panel > p {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 24px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-field.label-full,
.form-field.span-2 {
  grid-column: 1 / -1;
}

.form-field label {
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
}

.form-field label em {
  color: var(--warm);
  font-style: normal;
}

.form-field input,
.form-field textarea {
  width: 100%;
  border: 1px solid #cfd9d3;
  border-radius: 10px;
  padding: 11px 13px;
  font-size: 15px;
  font-family: inherit;
  background: var(--surface);
  color: var(--ink);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(15, 107, 79, 0.1);
}

.form-field textarea {
  resize: vertical;
  min-height: 120px;
}

.form-action {
  margin-top: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.form-note {
  font-size: 13px;
  color: #8fa098;
}

.form-success {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 10px;
  padding: 30px;
  border-radius: 12px;
  background: rgba(216, 241, 120, 0.15);
  border: 1px dashed rgba(15, 107, 79, 0.3);
}

.form-success h4 {
  font-size: 21px;
  color: var(--deep);
}

.form-success p {
  color: var(--muted);
  font-size: 15px;
  max-width: 360px;
}

.site-footer {
  background: var(--deep);
  color: #c7d3cf;
  padding-top: 62px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.15fr;
  gap: 42px;
  padding-bottom: 44px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.footer-brand-logo {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--brand);
  color: #ffffff;
  font-weight: 800;
  font-size: 14px;
}

.footer-brand-name {
  font-size: 17px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.4;
}

.footer-brand-name small {
  display: block;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.52);
  letter-spacing: 0.1em;
}

.footer-about {
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
  line-height: 1.9;
  margin-bottom: 12px;
}

.footer-domain {
  color: rgba(255, 255, 255, 0.36);
  font-size: 14px;
  letter-spacing: 0.02em;
}

.footer-title {
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-links {
  display: grid;
  gap: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-links a:hover {
  color: var(--lime);
  padding-left: 4px;
}

.footer-contact-item {
  margin-bottom: 14px;
}

.footer-contact-item span {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.42);
  margin-bottom: 3px;
}

.footer-contact-item b {
  color: rgba(255, 255, 255, 0.78);
  font-weight: 600;
  font-size: 14px;
}

.footer-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.14);
}

.footer-copy {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding: 20px 0 22px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.52);
}

.footer-copy a {
  color: var(--lime);
}

@media (max-width: 1024px) {
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 1000;
    width: min(80vw, 360px);
    height: 100vh;
    background: var(--surface);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 100px 28px 32px;
    gap: 4px;
    box-shadow: -12px 0 30px rgba(10, 42, 35, 0.12);
    transform: translateX(100%);
    transition: transform 0.26s ease;
    overflow-y: auto;
  }

  .main-nav.is-open {
    transform: translateX(0);
  }

  .nav-link {
    width: 100%;
    padding: 12px 4px;
    font-size: 17px;
  }

  .nav-link::after {
    top: auto;
    bottom: 6px;
  }

  .nav-cta {
    margin-top: 20px;
    width: 100%;
    justify-content: center;
  }

  .nav-toggle {
    display: block;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .hero-note {
    max-width: 620px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  .section {
    padding: 68px 0;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .section-heading {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .guide-card-inner,
  .guide-card--wide .guide-card-inner {
    grid-template-columns: 1fr;
  }

  .guide-card-inner .guide-media {
    min-height: 200px;
  }

  .guide-body {
    padding: 20px;
  }

  .outline-item {
    grid-template-columns: 90px minmax(0, 1fr);
    gap: 12px 18px;
  }

  .outline-item > a {
    grid-column: 2 / -1;
    justify-content: flex-start;
  }

  .outline-num {
    grid-row: span 2;
    font-size: 42px;
  }

  .contact-panel {
    grid-template-columns: 1fr;
  }

  .contact-copy {
    padding: 30px 26px;
  }

  .form-panel {
    padding: 28px 22px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 34px;
    padding-bottom: 36px;
  }
}

@media (max-width: 520px) {
  .site-container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .header-inner {
    height: 64px;
    gap: 12px;
  }

  .brand-logo {
    width: 40px;
    height: 40px;
  }

  .brand-text strong {
    font-size: 19px;
  }

  .brand-text small {
    font-size: 11px;
    letter-spacing: 0.2em;
  }

  .page-hero {
    padding-top: 44px;
  }

  .page-hero h1 {
    font-size: 36px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .stat-item {
    padding-left: 14px;
  }

  .stack-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .guide-card,
  .card-vertical {
    grid-column: auto !important;
  }

  .guide-card-inner {
    min-height: 0;
  }

  .guide-card-inner .guide-media {
    min-height: 160px;
  }

  .guide-media {
    aspect-ratio: 16 / 9;
  }

  .outline-list {
    gap: 0;
  }

  .outline-item {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .outline-num {
    grid-row: auto;
  }

  .outline-item > a {
    grid-column: auto;
    padding-top: 6px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-field.span-2 {
    grid-column: auto;
  }

  .footer-copy {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* roulang page: category2 */
:root {
  --primary: #0F6B4F;
  --primary-dark: #0B5740;
  --deep: #0A2A23;
  --lime: #D8F178;
  --warm: #FF7A45;
  --bg: #F5F4EF;
  --card: #FFFFFF;
  --line: #DCE3DC;
  --text: #1F2A26;
  --muted: #5C6B66;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-card: 0 2px 8px rgba(10, 42, 35, 0.06);
  --shadow-hover: 0 12px 24px rgba(10, 42, 35, 0.10);
  --font-num: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

a,
button,
input,
textarea,
summary {
  transition: all 0.2s ease;
}

img {
  display: block;
  max-width: 100%;
}

ul,
ol {
  list-style: none;
}

button,
input,
textarea {
  font: inherit;
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(15, 107, 79, 0.18);
  border-radius: 4px;
}

.site-container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(10, 42, 35, 0.03);
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
}

.brand-logo {
  position: relative;
  display: block;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  flex: none;
  background: var(--primary);
  box-shadow: inset 0 0 0 2px rgba(216, 241, 120, 0.35);
}

.brand-logo::before {
  content: "";
  position: absolute;
  left: 8px;
  right: 8px;
  top: 19px;
  height: 3px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 3px;
}

.brand-logo::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 11px;
  width: 14px;
  height: 14px;
  border-right: 3px solid var(--lime);
  border-top: 3px solid var(--lime);
  border-radius: 1px;
  transform: rotate(45deg);
}

.brand-text {
  display: flex;
  align-items: baseline;
  gap: 8px;
  line-height: 1.1;
}

.brand-text strong {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--deep);
}

.brand-text small {
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(15, 107, 79, 0.08);
  border: 1px solid rgba(15, 107, 79, 0.12);
  padding: 2px 7px;
  border-radius: 999px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 8px 6px;
  margin: 0 10px;
  font-weight: 600;
  font-size: 15px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 6px;
  right: 6px;
  bottom: 0;
  height: 3px;
  border-radius: 99px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}

.nav-link:hover {
  color: var(--primary);
}

.nav-link:hover::after,
.nav-link.is-active::after {
  transform: scaleX(1);
}

.nav-link.is-active {
  color: var(--primary-dark);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 12px;
  padding: 9px 20px;
  background: var(--primary);
  color: #fff !important;
  font-weight: 700;
  font-size: 14px;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(15, 107, 79, 0.2);
}

.nav-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(15, 107, 79, 0.25);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  padding: 11px 9px;
  flex-direction: column;
  justify-content: space-between;
}

.nav-toggle span {
  display: block;
  height: 3px;
  border-radius: 9px;
  background: var(--deep);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle:hover span {
  background: var(--primary);
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 15px;
  border: 0;
  cursor: pointer;
  line-height: 1.2;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(15, 107, 79, 0.18);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(15, 107, 79, 0.24);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
  border-color: #fff;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.btn-warm {
  background: var(--warm);
  color: #fff;
  box-shadow: 0 8px 20px rgba(255, 122, 69, 0.22);
}

.btn-warm:hover {
  background: #e76430;
  color: #fff;
  transform: translateY(-2px);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
}

/* ---------- Hero ---------- */
.hero-cat {
  position: relative;
  min-height: 260px;
  display: flex;
  align-items: center;
  padding: 52px 0 44px;
  background-position: center;
  background-size: cover;
  color: #fff;
}

.hero-cat::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 42, 35, 0.94) 10%, rgba(10, 42, 35, 0.78) 45%, rgba(10, 42, 35, 0.4) 100%);
}

.hero-cat .site-container {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 14px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.9);
}

.breadcrumb a:hover {
  color: var(--lime);
  text-decoration: underline;
}

.hero-title {
  max-width: 980px;
  font-size: clamp(32px, 4.6vw, 54px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: #fff;
}

.hero-title .brand-name {
  color: var(--lime);
}

.hero-sub {
  max-width: 780px;
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.92);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.hero-note {
  margin-top: 14px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
}

.hero-note a {
  color: var(--lime);
  border-bottom: 1px solid rgba(216, 241, 120, 0.4);
}

/* ---------- Navigation tags ---------- */
.topic-filter-wrap {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}

.topic-filter {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.topic-filter-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--deep);
  margin-right: 4px;
}

.topic-filter-label::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--lime);
  border-radius: 3px;
  box-shadow: 0 0 0 3px rgba(216, 241, 120, 0.35);
}

.topic-link {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
}

.topic-link:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(15, 107, 79, 0.06);
}

/* ---------- Sections ---------- */
.section {
  padding: 90px 0;
}

.section-eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.section-kicker::before {
  content: "";
  width: 14px;
  height: 2px;
  background: var(--primary);
  border-radius: 99px;
}

.section-title {
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 800;
  line-height: 1.28;
  color: var(--deep);
  letter-spacing: -0.02em;
}

.section-intro {
  margin-top: 16px;
  max-width: 860px;
  font-size: 16px;
  color: var(--muted);
  line-height: 1.9;
}

.section-intro.left {
  margin-left: 0;
}

.text-center .section-intro {
  margin-left: auto;
  margin-right: auto;
}

.section-head-center {
  max-width: 900px;
  margin: 0 auto 50px;
  text-align: center;
}

.section-head-left {
  max-width: 900px;
  margin-bottom: 48px;
}

/* ---------- Metric band ---------- */
.metric-band {
  background: var(--deep);
  color: #fff;
  padding: 34px 0;
  border-bottom: 1px solid rgba(216, 241, 120, 0.2);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.metric-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 10px 4px;
}

.metric-num {
  font-family: var(--font-num);
  font-size: 34px;
  font-weight: 700;
  color: var(--lime);
  line-height: 1;
  min-width: 56px;
}

.metric-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.metric-content strong {
  font-size: 16px;
  font-weight: 700;
}

.metric-content small {
  color: rgba(255, 255, 255, 0.66);
  font-size: 13px;
}

@media (max-width: 900px) {
  .metric-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
}

/* ---------- Index cards ---------- */
.steps-caption {
  font-size: 14px;
  color: var(--muted);
  margin-top: 12px;
}

/* ---------- Timeline ---------- */
.timeline {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 35px;
  top: 12px;
  bottom: 12px;
  width: 3px;
  border-radius: 99px;
  background: rgba(15, 107, 79, 0.25);
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 28px;
  padding-bottom: 40px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-num {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 24px;
  background: var(--deep);
  color: var(--lime);
  font-family: var(--font-num);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0.02em;
  box-shadow: 0 10px 18px rgba(10, 42, 35, 0.18), 0 0 0 6px rgba(216, 241, 120, 0.2);
}

.timeline-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 30px 32px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.timeline-card:hover {
  transform: translateY(-2px);
  border-color: rgba(15, 107, 79, 0.25);
  box-shadow: var(--shadow-hover);
}

.timeline-card h3 {
  font-size: 21px;
  font-weight: 700;
  color: var(--deep);
  margin-bottom: 8px;
}

.timeline-card .step-desc {
  color: var(--text);
  line-height: 1.9;
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(216, 241, 120, 0.35);
  color: var(--deep);
  border-radius: 999px;
  border: 1px solid rgba(10, 42, 35, 0.08);
}

.tag-chip.green {
  background: rgba(15, 107, 79, 0.08);
  color: var(--primary-dark);
  border-color: rgba(15, 107, 79, 0.12);
}

.data-mini-card {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 18px;
  padding: 18px;
  background: var(--deep);
  border-radius: 12px;
  color: #fff;
}

.data-mini-item {
  border-left: 2px solid rgba(216, 241, 120, 0.7);
  padding-left: 10px;
}

.data-mini-item small {
  display: block;
  color: rgba(255, 255, 255, 0.64);
  font-size: 12px;
  margin-bottom: 4px;
}

.data-mini-item strong {
  font-size: 14px;
  color: var(--lime);
  font-weight: 700;
}

.data-note {
  margin-top: 18px;
  padding: 14px 16px;
  background: rgba(15, 107, 79, 0.05);
  border-left: 3px solid var(--primary);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  line-height: 1.8;
}

@media (max-width: 768px) {
  .timeline-item {
    grid-template-columns: 64px 1fr;
    gap: 18px;
    padding-bottom: 28px;
  }

  .timeline::before {
    left: 31px;
  }

  .timeline-num {
    width: 64px;
    height: 64px;
    border-radius: 20px;
  }

  .timeline-card {
    padding: 20px 20px 22px;
  }

  .data-mini-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 580px) {
  .timeline-item {
    grid-template-columns: 1fr;
    padding-left: 4px;
    padding-bottom: 28px;
  }

  .timeline::before {
    left: 20px;
    display: none;
  }

  .timeline-num {
    width: 60px;
    height: 48px;
    border-radius: 16px;
    font-size: 18px;
  }
}

/* ---------- Image feature ---------- */
.image-feature {
  border-radius: 20px;
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
}

.image-feature img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.image-feature:hover img {
  transform: scale(1.02);
}

.image-feature figcaption {
  padding: 16px 22px;
  font-size: 14px;
  color: var(--muted);
  background: #fff;
  line-height: 1.7;
  border-top: 1px solid var(--line);
}

@media (max-width: 768px) {
  .image-feature img {
    height: 260px;
  }
}

/* ---------- Comparison ---------- */
.compare-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-card);
}

.compare-col {
  padding: 34px 32px;
}

.compare-col.before {
  background: rgba(245, 244, 239, 0.8);
  border-right: 1px solid var(--line);
}

.compare-col.after {
  background: var(--card);
}

.compare-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 22px;
}

.compare-title .dot {
  width: 8px;
  height: 8px;
  border-radius: 3px;
}

.before .dot {
  background: var(--warm);
}

.after .dot {
  background: var(--primary);
}

.compare-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.compare-list li {
  position: relative;
  padding: 14px 0 14px 28px;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
  line-height: 1.75;
}

.compare-list li:last-child {
  border-bottom: 0;
}

.compare-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 14px;
  height: 8px;
  border-radius: 2px;
}

.before .compare-list li::before {
  background: rgba(255, 122, 69, 0.25);
  width: 14px;
  height: 4px;
  top: 26px;
}

.after .compare-list li::before {
  left: 0;
  top: 21px;
  width: 8px;
  height: 14px;
  border-radius: 2px;
  background: rgba(15, 107, 79, 0.22);
}

.after .compare-list li::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 25px;
  width: 5px;
  height: 3px;
  border-left: 2px solid var(--primary);
  border-bottom: 2px solid var(--primary);
  transform: rotate(-45deg);
  border-radius: 1px;
}

@media (max-width: 900px) {
  .compare-panel {
    grid-template-columns: 1fr;
  }

  .compare-col.before {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

/* ---------- FAQ ---------- */
.faq-section {
  background: linear-gradient(180deg, #fff 0%, var(--bg) 100%);
}

.faq-wrap {
  max-width: 960px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0 24px;
  margin-bottom: 12px;
  box-shadow: 0 2px 8px rgba(10, 42, 35, 0.04);
}

.faq-item[open] {
  border-color: rgba(15, 107, 79, 0.2);
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--deep);
  line-height: 1.5;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  width: 34px;
  height: 34px;
  flex: none;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 107, 79, 0.08);
  color: var(--primary);
  font-size: 24px;
  font-weight: 400;
  line-height: 1;
  transition: transform 0.25s ease, background 0.25s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}

.faq-answer {
  padding: 0 0 22px;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.9;
  border-top: 1px solid rgba(220, 227, 220, 0.8);
  padding-top: 16px;
}

/* ---------- CTA / Contact ---------- */
.cta-section {
  padding: 90px 0;
  background: var(--deep);
  color: #fff;
}

.cta-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.cta-copy h2 {
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
}

.cta-copy p {
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 16px;
  line-height: 1.9;
}

.cta-info-list {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cta-info-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 15px;
}

.cta-info-list li::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 9px;
  border-radius: 3px;
  background: var(--lime);
}

.contact-card {
  background: #fff;
  color: var(--text);
  border-radius: 20px;
  padding: 34px;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.2);
}

.contact-card h3 {
  font-size: 22px;
  color: var(--deep);
  font-weight: 800;
  margin-bottom: 6px;
}

.contact-card > p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 24px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-field.full {
  grid-column: 1 / -1;
}

.form-field label {
  font-size: 14px;
  font-weight: 600;
  color: var(--deep);
}

.form-field label em {
  color: var(--warm);
  font-style: normal;
}

.form-field input,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 11px 14px;
  font-size: 15px;
  color: var(--text);
  line-height: 1.5;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: #9ba8a3;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(15, 107, 79, 0.1);
  outline: none;
}

.form-field textarea {
  min-height: 120px;
  resize: vertical;
}

.form-success {
  display: none;
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(15, 107, 79, 0.1);
  color: var(--primary-dark);
  font-size: 14px;
  border: 1px solid rgba(15, 107, 79, 0.2);
}

.form-success.show {
  display: block;
}

.form-note {
  margin-top: 12px;
  font-size: 12px;
  color: #87948f;
  line-height: 1.6;
}

@media (max-width: 920px) {
  .cta-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .contact-card {
    padding: 28px;
  }
}

@media (max-width: 560px) {
  .form-grid {
    grid-template-columns: 1fr;
  }

  .contact-card {
    padding: 22px;
  }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--deep);
  color: rgba(255, 255, 255, 0.78);
  padding: 70px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 0.9fr;
  gap: 44px;
  padding-bottom: 46px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.footer-brand-logo {
  width: 42px;
  height: 42px;
  flex: none;
  display: grid;
  place-items: center;
  background: var(--primary);
  color: var(--lime);
  border-radius: 12px;
  font-size: 18px;
  font-weight: 800;
}

.footer-brand-name {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.footer-brand-name small {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 500;
}

.footer-about {
  font-size: 14px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.68);
  margin-top: 10px;
}

.footer-domain {
  margin-top: 18px;
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--lime);
  background: rgba(216, 241, 120, 0.08);
  padding: 4px 12px;
  border-radius: 999px;
}

.footer-title {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  position: relative;
  display: inline-block;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--lime);
  transform: translateX(3px);
}

.footer-contact-item {
  display: grid;
  gap: 2px;
  margin-bottom: 14px;
}

.footer-contact-item span {
  color: rgba(255, 255, 255, 0.44);
  font-size: 13px;
}

.footer-contact-item b {
  color: rgba(255, 255, 255, 0.88);
  font-size: 14px;
  font-weight: 600;
}

.footer-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copy {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 20px 0 24px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-copy a {
  color: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.24);
}

.footer-copy a:hover {
  color: var(--lime);
  border-color: var(--lime);
}

@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 680px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-copy {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ---------- Section helpers ---------- */
.section.bg-card {
  background: #fff;
}

.section.bg-soft {
  background: rgba(255, 255, 255, 0.6);
}

.section-head-center + .tip-note {
  text-align: center;
}

/* ---------- Responsive nav ---------- */
@media (max-width: 1024px) {
  .nav-toggle {
    display: inline-flex;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    padding: 12px 24px 24px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 28px rgba(10, 42, 35, 0.08);
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav .nav-link {
    justify-content: flex-start;
    padding: 14px 8px;
    margin: 0;
    border-bottom: 1px solid rgba(220, 227, 220, 0.6);
    font-size: 16px;
  }

  .main-nav .nav-link::after {
    display: none;
  }

  .main-nav .nav-link.is-active {
    color: var(--primary);
    background: rgba(15, 107, 79, 0.06);
    border-radius: 8px;
    padding-left: 14px;
  }

  .nav-cta {
    width: 100%;
    margin: 16px 0 0;
  }
}

@media (max-width: 560px) {
  .site-container {
    padding-inline: 16px;
  }

  .header-inner {
    gap: 8px;
  }

  .brand-text strong {
    font-size: 18px;
  }

  .brand-text small {
    font-size: 11px;
  }

  .section {
    padding: 60px 0;
  }

  .hero-cat {
    min-height: 260px;
    padding: 40px 0 34px;
  }

  .hero-sub {
    font-size: 15px;
    line-height: 1.85;
  }

  .section-title {
    font-size: 27px;
  }
}