/* roulang page: index */
:root{
  --primary:#0E5A48;
  --primary-deep:#082A20;
  --primary-soft:#E4ECE8;
  --accent:#D99B2B;
  --accent-hover:#B97D1A;
  --accent-soft:#F9EEDB;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --text:#18251F;
  --muted:#6B7A72;
  --border:#E6E2D9;
  --success:#2E7D5B;
  --error:#B4433C;
  --radius-lg:20px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-sm:0 2px 8px rgba(22,42,34,0.06);
  --shadow-md:0 8px 24px rgba(22,42,34,0.12);
  --shadow-nav:0 4px 10px rgba(0,0,0,0.06);
  --nav-bg:rgba(8,42,32,0.72);
  --font-main:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
  --container:1280px;
  --space-lg:clamp(72px,8vw,110px);
  --space-md:clamp(48px,5vw,72px);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-main);
  font-size:16px;
  line-height:1.75;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;border:none;outline:none;background:none;margin:0;padding:0}
ul,ol{list-style:none;margin:0;padding:0}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-0.02em}
h1{font-size:clamp(32px,5vw,54px);line-height:1.2}
h2{font-size:clamp(24px,3.6vw,38px)}
h3{font-size:clamp(18px,2vw,24px)}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--space-lg) 0}
.section-light{background:var(--bg)}
.section-white{background:#FFFDFB}
.section-deep{background:var(--primary-deep);color:#F0F4F1}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:clamp(32px,4vw,56px)}
.section-head .head-left{max-width:720px}
.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-size:13px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;margin-bottom:10px}
.section-kicker::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:99px}
.section-lead{color:var(--muted);font-size:16px;margin-top:14px;max-width:680px}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 22px;font-weight:700;font-size:15px;
  border-radius:var(--radius-sm);cursor:pointer;transition:all .25s ease;
  border:1px solid transparent;text-align:center;white-space:nowrap;
}
.btn:focus-visible{outline:3px solid rgba(217,155,43,.45);outline-offset:2px}
.btn-primary{background:var(--accent);color:#1F1400;box-shadow:0 4px 14px rgba(217,155,43,.28)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 8px 20px rgba(217,155,43,.36)}
.btn-primary:active{transform:translateY(0)}
.btn-primary:disabled{background:#D6C9AF;box-shadow:none;cursor:not-allowed}
.btn-deep{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(14,90,72,.24)}
.btn-deep:hover{background:var(--primary-deep);transform:translateY(-2px);box-shadow:0 10px 22px rgba(14,90,72,.26)}
.btn-deep:active{transform:translateY(0)}
.btn-ghost{border-color:var(--border);color:var(--text);background:rgba(255,255,255,.6);backdrop-filter:blur(4px)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:#fff;box-shadow:var(--shadow-sm)}
.btn-ghost-light{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.08);backdrop-filter:blur(4px)}
.btn-ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.16)}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:700;padding:6px 0;min-height:36px;transition:color .2s}
.btn-text:hover{color:var(--accent-hover)}
.btn-text .arrow-ico{transition:transform .25s}
.btn-text:hover .arrow-ico{transform:translateX(4px)}
.btn-sm{min-height:36px;padding:6px 16px;font-size:14px}

/* Header & Nav */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:var(--nav-bg);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.site-header.scrolled{background:rgba(250,249,246,.95);border-bottom-color:rgba(0,0,0,.06);box-shadow:var(--shadow-nav)}
.site-header.scrolled .brand-logo{color:var(--primary-deep)}
.site-header.scrolled .nav-link{color:var(--text)}
.site-header.scrolled .header-ico path{fill:var(--text)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand-logo{font-size:22px;font-weight:900;color:#fff;letter-spacing:-0.02em;display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-logo .logo-dot{width:28px;height:28px;border-radius:9px;background:var(--accent);display:grid;place-items:center;color:#1F1400;font-weight:900;font-size:17px}
.main-nav{display:flex;align-items:center;gap:6px;flex:1;justify-content:center}
.nav-link{position:relative;padding:8px 14px;border-radius:8px;color:rgba(255,255,255,.9);font-weight:600;font-size:15px;transition:color .2s,background .2s}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-link.active{color:#fff}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:99px;background:var(--accent)}
.site-header.scrolled .nav-link:hover{background:rgba(14,90,72,.07);color:var(--primary)}
.site-header.scrolled .nav-link.active::after{background:var(--accent)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.header-cta{background:var(--accent);color:#1F1400}
.header-cta:hover{background:var(--accent-hover)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);cursor:pointer;position:relative}
.site-header.scrolled .nav-toggle{background:rgba(14,90,72,.06);border-color:var(--border)}
.nav-toggle span{display:block;width:18px;height:2px;margin:3px auto;background:currentColor;transition:opacity .25s,transform .25s}
.nav-toggle span:first-child,.nav-toggle span:last-child{background:currentColor}
.nav-toggle .line-top,.nav-toggle .line-mid,.nav-toggle .line-bottom{display:block;width:18px;height:2px;margin:3px auto;background:#fff;transition:all .25s}
.site-header.scrolled .nav-toggle .line-top,.site-header.scrolled .nav-toggle .line-mid,.site-header.scrolled .nav-toggle .line-bottom{background:var(--text)}
.nav-toggle[aria-expanded="true"] .line-top{transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .line-mid{opacity:0}
.nav-toggle[aria-expanded="true"] .line-bottom{transform:translateY(-5px) rotate(-45deg)}

/* Hero */
.hero{
  position:relative;display:flex;align-items:center;min-height:82vh;
  background-image:linear-gradient(105deg,rgba(6,32,25,.94) 0%,rgba(8,42,32,.84) 52%,rgba(10,52,40,.68) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  padding:120px 0 90px;overflow:hidden;
}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,5vw,72px);align-items:center;width:100%}
.hero-copy{color:#fff;position:relative;z-index:2}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;
  background:rgba(217,155,43,.15);border:1px solid rgba(217,155,43,.36);color:#F5D493;
  font-size:13px;font-weight:700;letter-spacing:.04em;margin-bottom:20px;
}
.hero-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero h1{color:#fff;margin-bottom:20px}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(235,242,238,.9);max-width:560px;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-trust{display:flex;gap:28px;flex-wrap:wrap;margin-top:36px;padding-top:24px;border-top:1px solid rgba(255,255,255,.18)}
.trust-item{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(235,242,238,.82)}
.trust-item svg{width:16px;height:16px;stroke:var(--accent);fill:none;stroke-width:2.4}
.hero-media{position:relative;z-index:2}
.hero-media-img{border-radius:24px;box-shadow:0 30px 70px rgba(0,0,0,.4);overflow:hidden;border:1px solid rgba(255,255,255,.18);transform:rotate(1.2deg)}
.hero-media-img img{width:100%;height:auto;object-fit:cover;aspect-ratio:4/3}
.hero-card{
  position:absolute;left:-24px;bottom:24px;background:rgba(255,255,255,.96);border-radius:14px;
  padding:14px 18px;backdrop-filter:blur(8px);box-shadow:var(--shadow-md);display:flex;align-items:center;gap:12px;
  max-width:260px;border-left:4px solid var(--accent);
}
.hero-card .card-ico{width:38px;height:38px;border-radius:10px;background:var(--accent-soft);display:grid;place-items:center;color:var(--accent-hover);flex-shrink:0;font-size:18px;font-weight:800}
.hero-card strong{display:block;font-size:14px;color:var(--text);line-height:1.4}
.hero-card small{display:block;font-size:12.5px;color:var(--muted);line-height:1.4}

/* Metrics */
.metrics-section{position:relative;z-index:5;padding:0 0 var(--space-md);margin-top:-34px}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric-card{
  background:var(--surface);border:1px solid rgba(255,255,255,.9);border-radius:16px;
  padding:24px 22px;box-shadow:0 8px 30px rgba(22,42,34,.08);transition:transform .25s,box-shadow .25s;
  position:relative;overflow:hidden;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(22,42,34,.12)}
.metric-card::before{content:"";position:absolute;left:0;bottom:0;width:0;height:3px;background:var(--accent);transition:width .3s}
.metric-card:hover::before{width:100%}
.metric-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.metric-num{font-size:34px;font-weight:900;line-height:1.1;color:var(--primary);font-family:var(--font-main);letter-spacing:-0.03em;font-variant-numeric:tabular-nums}
.metric-unit{font-size:14px;font-weight:700;color:var(--muted);margin-left:2px}
.metric-status{font-size:12px;color:var(--success);background:rgba(46,125,91,.1);padding:3px 8px;border-radius:99px;font-weight:700;flex-shrink:0}
.metric-status.down{color:var(--muted);background:rgba(107,122,114,.1)}
.metric-label{font-size:14px;color:var(--muted);margin-top:12px;line-height:1.5}

/* Services */
.services-section{background:var(--bg);padding:var(--space-lg) 0}
.services-cardset{display:grid;grid-template-columns:repeat(12,1fr);gap:22px}
.service-card{background:var(--surface);border-radius:var(--radius-lg);padding:28px 26px;box-shadow:var(--shadow-sm);position:relative;transition:transform .3s,box-shadow .3s,border-color .3s;border:1px solid transparent}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--primary-soft)}
.service-card-small{grid-column:span 3;display:flex;flex-direction:column}
.service-card-small:nth-child(2){transform:translateY(18px)}
.service-card-large{grid-column:span 6;background:linear-gradient(150deg,#FBF9F4 0%,#F5F2E9 100%);border:1px solid var(--border);grid-row:span 2;display:flex;flex-direction:column}
.service-card-large:hover{transform:none;box-shadow:var(--shadow-md)}
.service-icon{width:48px;height:48px;border-radius:14px;background:var(--primary-soft);display:grid;place-items:center;color:var(--primary);margin-bottom:20px}
.service-icon.alt{background:var(--accent-soft);color:var(--accent-hover)}
.service-card h3{font-size:20px;margin-bottom:10px}
.service-card p{color:var(--muted);font-size:15px;margin-bottom:18px;line-height:1.7}
.service-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:700;font-size:14px;margin-top:auto}
.service-link .arrow-ico{transition:transform .25s}
.service-link:hover .arrow-ico{transform:translateX(4px)}
.service-large-media{background:#fff;border-radius:16px;overflow:hidden;border:1px solid var(--border);margin-top:22px;position:relative;min-height:160px}
.service-large-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/8}
.service-large-body{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}
.service-point{display:flex;gap:10px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:14px;padding:16px 16px}
.service-point svg{width:18px;height:18px;stroke:var(--primary);flex-shrink:0;margin-top:3px;fill:none;stroke-width:2}
.service-point strong{font-size:14px;display:block}
.service-point small{color:var(--muted);font-size:13px;line-height:1.5;display:block;margin-top:4px}

/* News / CMS area */
.news-section{background:var(--bg);padding-bottom:var(--space-lg)}
.news-grid{display:grid;gap:18px}
.news-item{
  background:var(--surface);border-radius:16px;padding:24px 26px;
  box-shadow:var(--shadow-sm);border-left:4px solid transparent;
  display:grid;gap:10px;transition:box-shadow .3s,transform .3s,border-color .3s;
}
.news-item:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-left-color:var(--accent)}
.news-item-feature{grid-template-columns:1fr auto;align-items:center;background:linear-gradient(135deg,var(--surface) 0%,#FCFBF7 100%)}
.news-item-row{grid-template-columns:1fr auto;padding:18px 22px;border-radius:12px}
.news-item-row:hover{transform:none;box-shadow:var(--shadow-sm)}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:4px;flex-wrap:wrap}
.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:99px;background:var(--primary-soft);color:var(--primary);font-size:12.5px;font-weight:700}
.badge-accent{background:var(--accent-soft);color:var(--accent-hover)}
.news-date{font-size:13px;color:var(--muted);display:inline-flex;align-items:center;gap:6px}
.news-date svg{width:15px;height:15px}
.news-title{font-size:18px;font-weight:800;line-height:1.5;margin-bottom:6px}
.news-title a{display:inline;transition:color .2s}
.news-title a:hover{color:var(--primary)}
.news-item-row .news-title{font-size:16px;font-weight:700}
.news-item-row .news-title{display:inline}
.news-summary{color:var(--muted);font-size:14.5px;line-height:1.65;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-readlink{display:inline-flex;align-items:center;gap:5px;font-size:14px;font-weight:700;color:var(--primary);transition:color .2s;align-self:center;padding:6px 8px}
.news-readlink .arrow-ico{color:var(--accent);font-size:18px;font-weight:900}
.news-readlink:hover{color:var(--accent-hover)}
.news-empty{
  grid-column:1/-1;background:var(--surface);border:1px dashed var(--border);border-radius:16px;
  padding:42px;text-align:center;color:var(--muted);font-size:15px;
}

/* Compare table */
.compare-section{background:var(--deeper,var(--primary-deep));padding:var(--space-lg) 0;color:#fff}
.compare-intro{max-width:760px}
.compare-intro p{color:rgba(235,242,238,.86);line-height:1.8;font-size:16px;margin-top:18px}
.compare-table-wrap{margin-top:40px;border-radius:20px;overflow:hidden;box-shadow:0 22px 50px rgba(0,0,0,.3)}
.compare-table{background:#fff;color:var(--text);border-collapse:separate;border-spacing:0;width:100%}
.compare-table th,.compare-table td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--border);vertical-align:middle;line-height:1.7}
.compare-table th{background:#F4F1E9;color:var(--primary-deep);font-size:14px;font-weight:800}
.compare-table th:first-child{border-radius:0}
.compare-table td:first-child{font-weight:700;font-size:14.5px;color:var(--primary-deep);white-space:nowrap}
.compare-table th.hl,.compare-table td.hl{background:rgba(14,90,72,.07);border-left:2px solid var(--primary);position:relative}
.compare-table th.hl::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--accent)}
.compare-table .minus{color:var(--muted)}
.compare-table .plus{color:var(--primary);font-weight:600}
.compare-table tr:last-child td{border-bottom:none}
.compare-tag{display:inline-block;background:var(--primary);color:#fff;font-size:12px;font-weight:700;padding:2px 10px;border-radius:99px;margin-bottom:6px}

/* FAQ */
.faq-section{background:var(--bg);padding:var(--space-lg) 0}
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(32px,4vw,64px);align-items:start}
.faq-side{position:sticky;top:96px}
.faq-side h2{margin-bottom:14px}
.faq-side p{color:var(--muted);font-size:15.5px}
.faq-contact-tip{margin-top:28px;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px 22px;display:flex;gap:12px;align-items:center;box-shadow:var(--shadow-sm)}
.faq-contact-tip svg{width:20px;height:20px;color:var(--accent);flex-shrink:0}
.faq-contact-tip div{font-size:14px;color:var(--text)}
.faq-contact-tip a{color:var(--primary);font-weight:700}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:16px;transition:border-color .25s,box-shadow .25s;overflow:hidden}
.faq-item:hover{border-color:#D0CBBF}
.faq-item[open]{box-shadow:var(--shadow-sm);border-color:#CFE0D8}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px 16px;cursor:pointer;min-height:52px;font-size:16px;font-weight:700;color:var(--text);
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";width:10px;height:10px;border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);transform:rotate(45deg);transition:transform .3s;flex-shrink:0;margin-right:6px}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:8px}
.faq-answer{padding:0 22px 18px;color:var(--muted);font-size:15px;line-height:1.85}
.faq-answer a{color:var(--primary);font-weight:600;border-bottom:1px solid rgba(14,90,72,.25)}
.faq-answer a:hover{border-bottom-color:var(--accent);color:var(--accent-hover)}

/* Contact */
.contact-section{background:var(--surface);padding:var(--space-lg) 0}
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.contact-copy h2{margin-bottom:16px}
.contact-copy .contact-desc{color:var(--muted);font-size:16px;line-height:1.85;margin-bottom:28px;max-width:520px}
.contact-channel{display:flex;align-items:flex-start;gap:14px;padding:16px 0;border-bottom:1px solid var(--border)}
.contact-channel:last-child{border-bottom:none}
.contact-channel .ch-ico{width:38px;height:38px;border-radius:10px;background:var(--primary-soft);background-color:#E4ECE8;display:grid;place-items:center;color:var(--primary);flex-shrink:0}
.contact-channel strong{font-size:15px}
.contact-channel span{font-size:14px;color:var(--muted)}
.contact-form-card{
  background:#FBF9F4;border:1px solid var(--border);border-radius:20px;padding:clamp(20px,3vw,36px);
  box-shadow:var(--shadow-sm);
}
.contact-form-card h3{font-size:21px;margin-bottom:6px}
.contact-form-card .form-tips{font-size:14px;color:var(--muted);margin-bottom:22px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group label{font-size:14px;font-weight:700}
.form-group label em{color:var(--error);font-style:normal;margin-left:2px}
.form-control{
  background:#fff;border:1px solid var(--border);border-radius:9px;padding:11px 14px;
  font-size:15px;width:100%;transition:border-color .25s,box-shadow .25s;min-height:44px;color:var(--text);
}
textarea.form-control{resize:vertical;min-height:88px;line-height:1.6}
.form-control::placeholder{color:#9AA69F}
.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,90,72,.14)}
.form-control:hover{border-color:#C9C4B8}
.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236B7A72' d='M1.2 1.3 6 6.1l4.8-4.8' stroke='%236B7A72' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;cursor:pointer}
.form-success{
  display:none;align-items:center;gap:10px;background:rgba(46,125,91,.1);border:1px solid rgba(46,125,91,.32);
  color:var(--success);border-radius:10px;padding:12px 16px;font-size:14px;font-weight:700;margin-top:18px;
}
.form-success.show{display:flex}
.form-submit-row{display:flex;justify-content:flex-end;gap:12px;margin-top:20px;align-items:center}
.form-note{font-size:12.5px;color:var(--muted);margin-right:auto}

/* Footer */
.site-footer{background:#07251E;color:#C6D2CB;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr .9fr .9fr 1.1fr;gap:32px;padding-bottom:44px}
.footer-brand .brand-logo{color:#fff;font-size:22px;margin-bottom:12px}
.footer-brand p{font-size:14.5px;color:#9EB0A6;line-height:1.8;margin-top:12px;max-width:360px}
.footer-col h4{color:#fff;font-size:15px;letter-spacing:.02em;margin-bottom:18px;font-weight:800}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li a,.footer-col li span{color:#9EB0A6;font-size:14px;transition:color .2s;cursor:pointer}
.footer-col li a:hover{color:var(--accent)}
.footer-contact-cols{display:flex;flex-direction:column;gap:10px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13.5px;color:#8AA297}
.footer-bottom .legal-links{display:flex;gap:18px}
.footer-bottom a{color:#8AA297}
.footer-bottom a:hover{color:#fff}

/* Icons */
.icon-line{fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.arrow-ico{display:inline-block;transition:transform .25s}

/* Responsive Breakpoints */
@media (max-width:1279px){
  .service-card-small{grid-column:span 4}
  .service-card-small:nth-child(2){transform:none}
  .service-card-large{grid-column:span 8}
  .news-item-feature{grid-template-columns:1fr}
  .compare-table th,.compare-table td{padding:14px 14px;font-size:14px}
}
@media (max-width:1023px){
  .header-inner{height:64px}
  .main-nav{
    position:fixed;top:64px;left:16px;right:16px;background:#fff;border-radius:16px;
    flex-direction:column;align-items:stretch;gap:2px;padding:14px;
    box-shadow:0 18px 40px rgba(0,0,0,.18);opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:all .3s;z-index:99;border:1px solid var(--border);
  }
  body.nav-open .main-nav{opacity:1;visibility:visible;transform:translateY(0)}
  .site-header .main-nav .nav-link{color:var(--text);padding:12px 16px;border-radius:10px}
  .site-header .main-nav .nav-link:hover{background:var(--primary-soft);color:var(--primary)}
  .site-header .main-nav .nav-link.active{background:var(--accent-soft);color:var(--accent-hover)}
  .site-header .main-nav .nav-link.active::after{display:none}
  .nav-toggle{display:block}
  .hero{min-height:auto;padding:110px 0 80px}
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero-media{max-width:580px}
  .metrics-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .services-cardset{grid-template-columns:1fr 1fr}
  .service-card-large,.service-card-small{grid-column:span 1}
  .service-card-small:nth-child(2){transform:none}
  .service-large-body{grid-template-columns:1fr}
  .compare-table-wrap{overflow-x:auto}
  .compare-table th,.compare-table td{white-space:nowrap;padding:14px}
  .faq-wrap{grid-template-columns:1fr;gap:30px}
  .faq-side{position:static;top:auto}
  .contact-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:36px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  body{font-size:15px}
  .section{padding:60px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px}
  .brand-logo{font-size:19px}
  .hero{padding:100px 0 70px}
  .hero-sub{font-size:15px}
  .hero-card{left:10px;right:10px;max-width:none}
  .metrics-section{margin-top:-20px}
  .metrics-grid{grid-template-columns:1fr 1fr}
  .metric-card{padding:18px 16px}
  .metric-num{font-size:28px}
  .services-cardset{grid-template-columns:1fr}
  .service-card:hover{transform:none}
  .service-large-body{grid-template-columns:1fr}
  .btn{min-height:48px}
  .hero-actions .btn{width:100%}
  .news-item,.news-item-row,.news-item-feature{grid-template-columns:1fr;padding:18px 18px}
  .news-readlink{justify-self:flex-start;padding:0}
  .compare-table tr, .compare-table{display:block}
  .compare-table thead{display:none}
  .compare-table tbody,.compare-table tbody tr,.compare-table tbody tr td{display:block;width:100%;border:none}
  .compare-table tbody tr{padding:14px 4px;border-bottom:1px solid var(--border)}
  .compare-table td{padding:6px 0!important;white-space:normal!important}
  .compare-table td:first-child{font-size:15px}
  .compare-table td.hl{border-left:none;border-radius:8px;margin-top:6px;background:rgba(14,90,72,.05)}
  .form-grid{grid-template-columns:1fr}
  .form-submit-row{flex-direction:column;align-items:stretch}
  .form-note{margin:0 0 4px}
  .form-submit-row .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:25px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .metric-label{font-size:13px}
}

@media (max-width:400px){
  .metrics-grid{grid-template-columns:1fr 1fr}
  .metric-card:nth-child(1){grid-column:span 2}
  .metric-status{display:none}
}

/* roulang page: article */
/* ========== 基础变量与重置 ========== */
:root {
  --primary: #0E5A48;
  --primary-deep: #082A20;
  --primary-soft: #E8F1ED;
  --accent: #D99B2B;
  --accent-hover: #C48720;
  --accent-soft: #FCF0DC;
  --bg: #F7F5F0;
  --surface: #FFFFFF;
  --text: #18251F;
  --text-2: #36453E;
  --muted: #6B7A72;
  --border: #E6E2D9;
  --border-solid: #DAD4C6;
  --shadow-sm: 0 2px 8px rgba(22, 42, 34, 0.06);
  --shadow-md: 0 8px 24px rgba(22, 42, 34, 0.1);
  --shadow-lg: 0 16px 36px rgba(22, 42, 34, 0.14);
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 10px;
  --container: 1280px;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

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

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

button,
input,
textarea,
select {
  font-family: inherit;
  border: 0;
  outline: none;
}

ul,
ol {
  list-style-position: inside;
}

:focus-visible {
  outline: 3px solid rgba(217, 155, 43, 0.55);
  outline-offset: 2px;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

/* ========== 通用按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  padding: 0 22px;
  min-height: 44px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  box-shadow: 0 4px 14px rgba(217, 155, 43, 0.24);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline-light {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: #fff;
}

.btn-outline-light:hover,
.btn-outline-light:focus {
  background: rgba(255, 255, 255, 0.14);
  border-color: #fff;
  color: #fff;
}

.btn-outline {
  background: var(--surface);
  border: 1px solid var(--border-solid);
  color: var(--primary-deep);
}

.btn-outline:hover,
.btn-outline:focus {
  border-color: var(--accent);
  color: var(--accent-hover);
  background: var(--accent-soft);
  transform: translateY(-1px);
}

.btn-sm {
  min-height: 38px;
  padding: 0 16px;
  font-size: 14px;
}

/* ========== 页头导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(7, 34, 26, 0.34);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.site-header.scrolled,
.site-header.nav-open {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 6px 18px rgba(22, 42, 34, 0.07);
  border-bottom: 1px solid rgba(230, 226, 217, 0.8);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
  gap: 20px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 21px;
  letter-spacing: 0.01em;
  color: #fff;
  transition: color 0.3s ease;
}

.logo-dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--accent);
  border-radius: 10px;
  font-size: 18px;
  font-weight: 900;
  color: #fff;
  box-shadow: 0 4px 12px rgba(217, 155, 43, 0.25);
  flex: 0 0 auto;
}

.site-header.scrolled .brand-logo,
.site-header.nav-open .brand-logo {
  color: var(--primary-deep);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  position: relative;
  display: block;
  padding: 10px 14px;
  font-weight: 500;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.92);
  border-radius: 8px;
  transition: color 0.2s ease, background 0.2s ease;
}

.site-header.scrolled .nav-link {
  color: var(--text);
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.site-header.scrolled .nav-link:hover,
.site-header.nav-open .nav-link:hover {
  background: var(--accent-soft);
  color: var(--primary-deep);
}

.nav-link.active {
  font-weight: 700;
  color: #fff;
}

.site-header.scrolled .nav-link.active,
.site-header.nav-open .nav-link.active {
  color: var(--primary);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  opacity: 0.9;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-cta {
  box-shadow: 0 4px 14px rgba(217, 155, 43, 0.18);
}

.header-cta:hover {
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s ease;
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.12);
}

.site-header.scrolled .nav-toggle:hover {
  background: rgba(14, 90, 72, 0.08);
}

.nav-toggle .line-top,
.nav-toggle .line-mid,
.nav-toggle .line-bottom {
  display: block;
  height: 2px;
  width: 20px;
  background: #fff;
  border-radius: 3px;
  transition: transform 0.3s ease, opacity 0.3s ease, background 0.3s ease;
}

.site-header.scrolled .nav-toggle .line-top,
.site-header.scrolled .nav-toggle .line-mid,
.site-header.scrolled .nav-toggle .line-bottom {
  background: var(--primary-deep);
}

/* ========== 文章顶栏 ========== */
.article-banner {
  position: relative;
  padding: 168px 0 64px;
  background-color: var(--primary-deep);
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center 30%;
  color: #fff;
  overflow: hidden;
}

.article-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, rgba(6, 30, 24, 0.98) 14%, rgba(8, 42, 32, 0.92) 44%, rgba(14, 90, 72, 0.42) 100%);
  z-index: 1;
}

.article-banner .container {
  position: relative;
  z-index: 2;
}

.blog-bradcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 28px;
}

.blog-bradcrumb a {
  color: rgba(255, 255, 255, 0.78);
  transition: color 0.2s ease;
}

.blog-bradcrumb a:hover {
  color: var(--accent-soft);
}

.breadcrumb-sep {
  opacity: 0.5;
}

.article-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(6px);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 6px 14px;
  border-radius: 40px;
  margin-bottom: 18px;
  color: #F4E1B5;
}

.article-banner h1 {
  font-size: clamp(30px, 4.6vw, 48px);
  max-width: 940px;
  line-height: 1.24;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.01em;
}

.article-banner-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 28px;
  margin-top: 28px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
}

.article-banner-meta a {
  color: #F4D58C;
}

.article-banner-meta .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.meta-sep {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
}

.cat-link {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 5px 13px;
  border-radius: 30px;
  transition: background 0.2s ease;
}

.cat-link:hover {
  background: var(--accent-hover);
  color: #fff;
}

/* ========== 正文区块 ========== */
.article-main-section {
  background: var(--bg);
  padding: 56px 0 20px;
}

.article-shell {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.article-cover-photo {
  position: relative;
  width: 100%;
  height: 340px;
  background: var(--primary-soft);
  overflow: hidden;
}

.article-cover-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-body {
  max-width: 820px;
  margin: 0 auto;
  padding: 48px 60px 40px;
}

.entry-content {
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--text-2);
  word-wrap: break-word;
}

.entry-content p {
  margin-bottom: 1.35em;
}

.entry-content h2,
.entry-content h3,
.entry-content h4 {
  color: var(--primary-deep);
  line-height: 1.45;
  font-weight: 800;
  margin-top: 1.6em;
  margin-bottom: 0.6em;
  scroll-margin-top: 120px;
}

.entry-content h2 {
  font-size: 28px;
}

.entry-content h3 {
  font-size: 23px;
}

.entry-content h4 {
  font-size: 19px;
}

.entry-content a {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-color: rgba(14, 90, 72, 0.3);
  text-underline-offset: 4px;
  transition: color 0.25s ease, text-decoration-color 0.25s ease;
}

.entry-content a:hover {
  color: var(--accent-hover);
  text-decoration-color: var(--accent);
}

.entry-content ul,
.entry-content ol {
  padding-left: 24px;
  margin-bottom: 1.4em;
}

.entry-content ul {
  list-style: disc;
}

.entry-content ol {
  list-style: decimal outside;
}

.entry-content li {
  margin-bottom: 0.45em;
}

.entry-content blockquote {
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
  padding: 18px 22px;
  margin: 1.8em 0;
  border-radius: 0 14px 14px 0;
  color: var(--text-2);
  font-size: 16px;
}

.entry-content blockquote p {
  margin: 0;
}

.entry-content img {
  border-radius: 14px;
  max-width: 100%;
  height: auto;
  margin: 24px 0;
  box-shadow: var(--shadow-sm);
}

.entry-content pre {
  background: var(--primary-deep);
  color: #F0F6F2;
  padding: 20px;
  border-radius: 14px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 1.6em;
}

.entry-content code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.entry-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.6em 0;
  font-size: 14.5px;
}

.entry-content th,
.entry-content td {
  border: 1px solid var(--border);
  padding: 12px 14px;
  text-align: left;
  background: #fff;
}

.entry-content th {
  background: var(--bg);
  color: var(--primary-deep);
  font-weight: 700;
}

.entry-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.2em 0;
}

.entry-content figcaption {
  font-size: 13px;
  color: var(--muted);
  text-align: center;
  margin-top: -12px;
  margin-bottom: 20px;
}

.article-body-end {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 28px 30px;
  margin-top: 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.article-body-end p {
  color: var(--muted);
  font-size: 14px;
}

.article-body-end .btn-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* 正文中部 CTA 横条 */
.inline-read-guide {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: var(--primary-soft);
  border: 1px solid rgba(14, 90, 72, 0.12);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin: 36px 0 16px;
}

.inline-read-guide h3 {
  font-size: 19px;
  margin-bottom: 6px;
  color: var(--primary-deep);
  margin-top: 0;
}

.inline-read-guide p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.inline-read-guide .guide-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  flex: 0 0 auto;
}

.inline-read-guide .btn {
  min-height: 40px;
}

/* 空内容状态 */
.not-found-box {
  padding: 52px 40px;
  text-align: center;
  background: var(--bg);
  border-radius: var(--radius-md);
}

.not-found-box .empty-icon {
  width: 82px;
  height: 82px;
  margin: 0 auto 22px;
  border-radius: 50%;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 800;
  color: var(--accent);
}

.not-found-box h2 {
  color: var(--primary-deep);
  font-size: 24px;
  margin-bottom: 10px;
}

.not-found-box p {
  color: var(--muted);
  margin-bottom: 24px;
}

.not-found-box .btn-group {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ========== 相关推荐 ========== */
.related-section {
  padding: 64px 0 40px;
}

.section-heading-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 34px;
}

.section-label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-hover);
  margin-bottom: 6px;
}

.section-heading-row h2 {
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 800;
  color: var(--primary-deep);
  line-height: 1.3;
}

.section-heading-row .sub-text {
  max-width: 460px;
  font-size: 14.5px;
  color: var(--muted);
  text-align: right;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 600;
  color: var(--primary);
  font-size: 14px;
}

.text-link:hover {
  color: var(--accent-hover);
}

.text-link::after {
  content: "";
  width: 18px;
  height: 14px;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}

.text-arrow::after {
  background-image: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%230E5A48" stroke-width="2.4" stroke-linecap="round" stroke-linejoin="round"%3E%3Cpath d="M7 17L17 7M9 7h8v8"/%3E%3C/svg%3E');
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.related-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  min-width: 0;
}

.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(217, 155, 43, 0.5);
}

.related-card-visual {
  position: relative;
  width: 100%;
  height: 170px;
  background-color: var(--primary-soft);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.related-card-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(8, 42, 32, 0.26) 100%);
}

.related-card-visual span {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 1;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  color: var(--primary-deep);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 11px;
  border-radius: 30px;
}

.related-card-content {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 20px 20px 14px;
}

.related-card-content h3 {
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--text);
  margin-bottom: 9px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-card-content p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-card .go-link {
  margin-top: auto;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-top: 6px;
}

.related-card:hover .go-link {
  color: var(--accent-hover);
}

.related-card .go-link::before {
  content: "";
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.25s ease;
}

.related-card:hover .go-link::before {
  width: 18px;
}

/* ========== FAQ ========== */
.faq-section {
  background: var(--bg);
  padding: 60px 0 64px;
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.7fr;
  gap: 56px;
  align-items: start;
}

.faq-intro h2 {
  color: var(--primary-deep);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 12px;
}

.faq-intro p {
  color: var(--muted);
  font-size: 14.5px;
  margin-bottom: 20px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border 0.25s ease, box-shadow 0.25s ease;
}

.faq-item[open] {
  border-color: rgba(14, 90, 72, 0.3);
  box-shadow: var(--shadow-md);
}

.faq-item summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 22px;
  font-weight: 700;
  color: var(--text);
  font-size: 15.5px;
  line-height: 1.5;
  list-style: none;
  cursor: pointer;
  min-height: 48px;
  transition: color 0.25s ease;
}

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

.faq-item summary:hover {
  color: var(--primary);
}

.faq-item summary .faq-plus {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 1px solid var(--border-solid);
  position: relative;
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.faq-item summary .faq-plus::before,
.faq-item summary .faq-plus::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 11px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: transform 0.3s ease, background 0.3s ease;
}

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

.faq-item[open] summary .faq-plus {
  transform: rotate(180deg);
  background: var(--primary);
  border-color: var(--primary);
}

.faq-item[open] summary .faq-plus::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.faq-item[open] summary .faq-plus::before {
  background: #fff;
}

.faq-item[open] summary .faq-plus::after {
  background: #fff;
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.faq-answer {
  padding: 0 22px 20px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
  border-top: 1px solid var(--border);
}

.faq-item[open] summary {
  color: var(--primary);
}

/* ========== 底部 CTA ========== */
.bottom-cta-block {
  padding-bottom: 70px;
}

.cta-card {
  background: linear-gradient(115deg, var(--primary-deep) 10%, var(--primary) 75%, #167A60 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 48px 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.cta-card::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -180px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}

.cta-card::before {
  content: "";
  position: absolute;
  right: 40px;
  bottom: -120px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(217, 155, 43, 0.18);
}

.cta-card-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.cta-card-content .section-label {
  color: #F3D892;
  text-transform: uppercase;
}

.cta-card-content h2 {
  font-size: clamp(24px, 3.4vw, 34px);
  color: #fff;
  font-weight: 800;
  line-height: 1.35;
  margin: 8px 0 14px;
}

.cta-card-content p {
  color: rgba(255, 255, 255, 0.84);
  font-size: 15px;
  line-height: 1.7;
  max-width: 620px;
}

.cta-card .cta-actions {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 0 0 auto;
}

/* ========== 页脚 ========== */
.site-footer {
  background: #FFFFFF;
  border-top: 1px solid var(--border);
  color: var(--text-2);
  padding-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2.1fr repeat(3, 1fr);
  gap: 48px;
  padding-bottom: 44px;
}

.footer-brand .brand-logo {
  color: var(--primary-deep);
  font-size: 22px;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.8;
  max-width: 280px;
}

.footer-col h4 {
  color: var(--primary-deep);
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--text-2);
  font-size: 14px;
  transition: color 0.2s ease, padding 0.2s ease;
}

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

.footer-col span {
  display: block;
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 8px;
}

.site-footer .footer-contact-cols {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
}

.footer-bottom .legal-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-bottom .legal-links a:hover {
  color: var(--primary);
}

/* ========== 响应式 ========== */
@media (max-width: 1023px) {
  .article-body {
    padding: 42px 40px 36px;
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .faq-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .faq-intro .btn {
    display: inline-flex;
  }

  .cta-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-card .cta-actions {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media (max-width: 767px) {
  .container {
    padding: 0 20px;
  }

  .header-inner {
    min-height: 70px;
  }

  .main-nav {
    position: absolute;
    top: calc(100% + 14px);
    left: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: #fff;
    border-radius: 16px;
    padding: 12px;
    box-shadow: 0 18px 40px rgba(22, 42, 34, 0.18);
    border: 1px solid rgba(14, 90, 72, 0.08);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  }

  .main-nav .nav-link {
    color: var(--text);
    padding: 13px 14px;
    border-radius: 10px;
    font-size: 15px;
  }

  .main-nav .nav-link:hover {
    background: var(--accent-soft);
    color: var(--primary-deep);
  }

  .main-nav .nav-link.active {
    color: var(--primary);
    background: var(--primary-soft);
  }

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

  .site-header.nav-open .main-nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-header.nav-open .nav-toggle .line-top {
    transform: translate(0, 7px) rotate(45deg);
  }

  .site-header.nav-open .nav-toggle .line-mid {
    opacity: 0;
  }

  .site-header.nav-open .nav-toggle .line-bottom {
    transform: translate(0, -7px) rotate(-45deg);
  }

  .header-cta {
    display: none;
  }

  .article-banner {
    padding: 132px 0 52px;
  }

  .article-banner h1 {
    font-size: 28px;
  }

  .article-banner-meta {
    gap: 10px 18px;
  }

  .article-main-section {
    padding-top: 30px;
  }

  .article-shell {
    border-radius: 18px;
  }

  .article-cover-photo {
    height: 220px;
  }

  .article-body {
    padding: 32px 22px 24px;
  }

  .entry-content {
    font-size: 15.5px;
  }

  .article-body-end {
    flex-direction: column;
    align-items: flex-start;
  }

  .inline-read-guide {
    flex-direction: column;
    align-items: flex-start;
  }

  .section-heading-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .section-heading-row .sub-text {
    text-align: left;
  }

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

  .related-card-visual {
    height: 190px;
  }

  .faq-section {
    padding: 46px 0 48px;
  }

  .cta-card {
    padding: 34px 24px;
  }

  .cta-card .cta-actions {
    width: 100%;
  }

  .cta-card .cta-actions .btn {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-bottom: 30px;
  }

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

@media (min-width: 520px) and (max-width: 767px) {
  .related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 300px) and (max-width: 519px) {
  .article-cover-photo {
    height: 190px;
  }
}

/* roulang page: category1 */
:root {
  --color-primary: #0E5A48;
  --color-primary-deep: #082A20;
  --color-primary-soft: rgba(14, 90, 72, .09);
  --color-accent: #D99B2B;
  --color-accent-dark: #B9791D;
  --color-accent-soft: rgba(217, 155, 43, .15);
  --color-bg: #F7F5F0;
  --color-surface: #FFFFFF;
  --color-text: #18251F;
  --color-muted: #66786F;
  --color-border: #E6E2D9;
  --color-error: #B55041;
  --color-success: #1F7A5C;
  --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(22, 42, 34, .06);
  --shadow-md: 0 10px 28px rgba(22, 42, 34, .1);
  --shadow-lg: 0 18px 50px rgba(6, 34, 26, .14);
  --ease: cubic-bezier(.22, .61, .36, 1);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.hidden {
  display: none;
}
h1, h2, h3, h4 {
  margin: 0 0 18px;
  color: var(--color-text);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: .01em;
}
p {
  margin: 0 0 16px;
}
a {
  color: inherit;
  text-decoration: none;
}
ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
button, input, textarea, select {
  font: inherit;
  color: inherit;
}
button {
  cursor: pointer;
  border: 0;
  background: none;
}
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 28px;
  padding-right: 28px;
}
.section {
  padding: 84px 0;
}
.section-head {
  max-width: 780px;
  margin-bottom: 44px;
}
.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: 999px;
  padding: 7px 15px;
  margin-bottom: 16px;
}
.section-head h2 {
  font-size: clamp(24px, 3.6vw, 38px);
  margin-bottom: 14px;
}
.section-lead {
  font-size: 16px;
  color: var(--color-muted);
  margin: 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  border: 1.5px solid transparent;
  transition: background .28s var(--ease), border-color .28s var(--ease), color .28s var(--ease), transform .28s var(--ease), box-shadow .28s var(--ease), opacity .28s var(--ease);
}
.btn:hover {
  transform: translateY(-2px);
}
.btn:focus-visible {
  outline: 3px solid rgba(217, 155, 43, .45);
  outline-offset: 3px;
}
.btn:active {
  transform: translateY(0);
}
.btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-primary-deep);
}
.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: #fff;
  box-shadow: var(--shadow-md);
}
.btn-outline-light {
  background: rgba(255, 255, 255, .05);
  border-color: rgba(255, 255, 255, .45);
  color: #fff;
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, .14);
  border-color: #fff;
  box-shadow: 0 8px 26px rgba(0, 0, 0, .12);
}
.btn-light {
  background: #fff;
  border-color: #fff;
  color: var(--color-primary-deep);
}
.btn-light:hover {
  background: var(--color-border);
  border-color: var(--color-border);
  box-shadow: var(--shadow-md);
}

/* ======= Header ======= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(8, 42, 32, .38);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, .12);
  transition: background .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.site-header.scrolled {
  background: rgba(247, 245, 240, .96);
  border-bottom-color: rgba(230, 226, 217, .9);
  box-shadow: 0 4px 12px rgba(8, 42, 32, .07);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
  gap: 18px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: .01em;
  color: #fff;
  white-space: nowrap;
}
.logo-dot {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--color-accent);
  color: var(--color-primary-deep);
  font-size: 22px;
  font-weight: 900;
}
.site-header.scrolled .brand-logo {
  color: var(--color-primary-deep);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 8px;
  color: rgba(255, 255, 255, .92);
  font-size: 15px;
  font-weight: 600;
  transition: color .25s var(--ease), background .25s var(--ease);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 6px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .3s var(--ease);
}
.nav-link:hover {
  color: #fff;
}
.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}
.nav-link.active {
  color: #F5D488;
}
.site-header.scrolled .nav-link {
  color: #24352F;
}
.site-header.scrolled .nav-link:hover,
.site-header.scrolled .nav-link.active {
  color: var(--color-accent-dark);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header-cta {
  min-height: 40px;
  padding: 0 18px;
  font-size: 14px;
}
.nav-toggle {
  width: 44px;
  height: 44px;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: 10px;
  color: #fff;
  transition: background .25s var(--ease);
}
.site-header.scrolled .nav-toggle {
  color: var(--color-primary-deep);
}
.nav-toggle:hover {
  background: rgba(255, 255, 255, .12);
}
.site-header.scrolled .nav-toggle:hover {
  background: rgba(14, 90, 72, .08);
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 4px;
  transition: transform .35s var(--ease), opacity .25s var(--ease);
}
.nav-toggle.open .line-top {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open .line-mid {
  opacity: 0;
}
.nav-toggle.open .line-bottom {
  transform: translateY(-7px) rotate(-45deg);
}

/* ======= Banner ======= */
.page-banner {
  position: relative;
  padding: 178px 0 118px;
  color: #fff;
  background-image: url("/assets/images/backpic/back-1.png");
  background-size: cover;
  background-position: center 28%;
  background-color: #0B382C;
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(6, 32, 25, .92) 0%, rgba(6, 32, 25, .72) 48%, rgba(6, 32, 25, .28) 100%);
}
.page-banner .container {
  position: relative;
  z-index: 2;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, .72);
  margin-bottom: 28px;
}
.breadcrumb a {
  transition: color .25s var(--ease);
}
.breadcrumb a:hover {
  color: var(--color-accent);
}
.breadcrumb .sep {
  color: rgba(255, 255, 255, .45);
}
.page-banner h1 {
  max-width: 860px;
  color: #fff;
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1.2;
  letter-spacing: .012em;
  margin-bottom: 22px;
}
.page-banner .banner-desc {
  max-width: 680px;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .85);
  margin-bottom: 34px;
}
.banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ======= Quick Card ======= */
.quick-section {
  position: relative;
  z-index: 4;
  margin-top: -46px;
  padding-bottom: 74px;
}
.quick-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, .6);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
}
.quick-item {
  padding: 28px 24px;
  min-height: 116px;
  border-right: 1px solid var(--color-border);
  transition: background .3s var(--ease);
}
.quick-item:hover {
  background: rgba(14, 90, 72, .04);
}
.quick-item:last-child {
  border-right: 0;
}
.quick-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 12px;
}
.quick-value {
  display: block;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.55;
  color: var(--color-text);
}

/* ======= Content Split ======= */
.content-section {
  padding: 80px 0;
}
.content-split {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: 60px;
  align-items: center;
}
.split-body h2,
.audience-section h2,
.step-section h2,
.faq-section h2 {
  margin-bottom: 16px;
}
.split-body .section-lead {
  margin-bottom: 28px;
}
.image-frame {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  background: #E7E3DA;
  box-shadow: var(--shadow-md);
}
.image-frame.aspect-4-3 {
  aspect-ratio: 4 / 3;
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-note {
  position: absolute;
  left: 18px;
  bottom: 18px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(8, 42, 32, .78);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
}
.feature-list {
  display: grid;
  gap: 18px;
  margin-bottom: 28px;
}
.feature-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
}
.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 15px;
  font-weight: 900;
}
.feature-text strong {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
}
.feature-text span {
  display: block;
  font-size: 14.5px;
  color: var(--color-muted);
  line-height: 1.65;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: var(--color-primary);
  transition: color .25s var(--ease), gap .25s var(--ease);
}
.text-link:hover {
  color: var(--color-accent-dark);
  gap: 10px;
}
.text-link::after {
  content: "→";
}

/* ======= Audience ======= */
.section-tint {
  background: #EFEBE3;
}
.audience-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}
.audience-card {
  grid-column: span 3;
  background: var(--color-surface);
  border: 1px solid rgba(230, 226, 217, .72);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.audience-card:first-child {
  grid-column: span 5;
}
.audience-card:last-child {
  grid-column: span 4;
}
.audience-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(14, 90, 72, .22);
}
.card-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 8px;
  border-radius: 10px;
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  font-size: 13px;
  font-weight: 900;
  margin-bottom: 24px;
}
.audience-card h3 {
  font-size: 19px;
  margin-bottom: 10px;
}
.audience-card p {
  font-size: 14.5px;
  color: var(--color-muted);
  margin: 0;
}

/* ======= Steps ======= */
.step-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.step-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 26px;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(217, 155, 43, .35);
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 18px;
  font-weight: 900;
  margin-bottom: 18px;
}
.step-card h3 {
  font-size: 17px;
  margin-bottom: 8px;
}
.step-card p {
  font-size: 14px;
  color: var(--color-muted);
  margin: 0;
  line-height: 1.7;
}

/* ======= Resources ======= */
.resource-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 22px;
}
.resource-feature {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 38px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  color: #fff;
  background-image: linear-gradient(115deg, rgba(8, 42, 32, .92) 0%, rgba(8, 42, 32, .55) 62%, rgba(8, 42, 32, .16) 100%), url("/assets/images/coverpic/cover-6.png");
  background-size: cover;
  background-position: 78% center;
  min-height: 300px;
  box-shadow: var(--shadow-md);
}
.resource-feature h3 {
  font-size: 22px;
  color: #fff;
  max-width: 360px;
  margin-bottom: 12px;
}
.resource-feature p {
  color: rgba(255, 255, 255, .78);
  max-width: 360px;
  margin-bottom: 0;
  font-size: 14.5px;
}
.resource-feature .btn {
  align-self: flex-start;
  margin-top: 26px;
}
.resource-stack {
  display: grid;
  gap: 22px;
}
.resource-pocket {
  background: #fff;
  border: 1px solid rgba(230, 226, 217, .75);
  border-radius: var(--radius-lg);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.resource-pocket:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(14, 90, 72, .18);
}
.resource-pocket h3 {
  font-size: 17px;
  margin-bottom: 7px;
}
.resource-pocket p {
  color: var(--color-muted);
  font-size: 14px;
  margin-bottom: 0;
}

/* ======= FAQ ======= */
.faq-list {
  max-width: 880px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.faq-item.open {
  border-color: rgba(14, 90, 72, .25);
  box-shadow: var(--shadow-sm);
}
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 22px;
  min-height: 62px;
  text-align: left;
  font-weight: 700;
  font-size: 16px;
  color: var(--color-text);
}
.faq-q:hover .faq-text {
  color: var(--color-primary);
}
.faq-q:focus-visible {
  outline: 3px solid rgba(217, 155, 43, .4);
  outline-offset: -3px;
}
.faq-arrow {
  flex: 0 0 auto;
  width: 11px;
  height: 11px;
  border-right: 2px solid var(--color-muted);
  border-bottom: 2px solid var(--color-muted);
  transform: rotate(45deg);
  margin-top: -5px;
  transition: transform .35s var(--ease), border-color .3s var(--ease);
}
.faq-item.open .faq-arrow {
  transform: rotate(225deg);
  border-color: var(--color-primary);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s var(--ease);
}
.faq-item.open .faq-answer {
  max-height: 420px;
}
.faq-answer-text {
  margin: 0;
  padding: 2px 22px 22px;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.8;
}

/* ======= Contact ======= */
.contact-band {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background: var(--color-primary-deep);
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 36px;
  align-items: center;
  padding: 50px 54px;
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.contact-copy {
  position: relative;
  z-index: 2;
}
.contact-copy .section-label {
  background: rgba(217, 155, 43, .18);
  color: #F3CCA7;
}
.contact-copy h2 {
  color: #fff;
  font-size: clamp(23px, 3vw, 32px);
  margin-bottom: 14px;
}
.contact-copy p {
  color: rgba(255, 255, 255, .75);
  max-width: 540px;
  font-size: 15px;
}
.contact-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 22px;
  font-size: 14px;
  color: rgba(255, 255, 255, .72);
}
.contact-meta a {
  color: #fff;
  font-weight: 700;
  transition: color .25s var(--ease);
}
.contact-meta a:hover {
  color: var(--color-accent);
}
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

/* ======= Footer ======= */
.site-footer {
  background: var(--color-primary-deep);
  color: rgba(255, 255, 255, .72);
  padding-top: 68px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 46px;
}
.footer-brand .brand-logo {
  color: #fff;
  font-size: 21px;
  margin-bottom: 18px;
}
.footer-brand p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .68);
  max-width: 320px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 18px;
}
.footer-col ul {
  display: grid;
  gap: 10px;
}
.footer-col ul a,
.footer-contact-cols span {
  color: rgba(255, 255, 255, .68);
  font-size: 14px;
  transition: color .25s var(--ease);
}
.footer-col ul a:hover {
  color: var(--color-accent);
}
.footer-contact-cols {
  display: grid;
  align-content: start;
  gap: 10px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 20px 0 24px;
  font-size: 13px;
  color: rgba(255, 255, 255, .55);
}
.legal-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 16px;
}
.legal-links a {
  color: rgba(255, 255, 255, .7);
  transition: color .25s var(--ease);
}
.legal-links a:hover {
  color: var(--color-accent);
}

/* ======= Responsive ======= */
@media (max-width: 1024px) {
  .section {
    padding: 68px 0;
  }
  .content-split {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .quick-card {
    grid-template-columns: repeat(2, 1fr);
  }
  .quick-item:nth-child(2) {
    border-right: 0;
  }
  .quick-item:nth-child(-n+2) {
    border-bottom: 1px solid var(--color-border);
  }
  .audience-card,
  .audience-card:first-child,
  .audience-card:last-child {
    grid-column: span 6;
  }
  .step-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .resource-grid {
    grid-template-columns: 1fr;
  }
  .contact-band {
    grid-template-columns: 1fr;
    padding: 40px 28px;
  }
  .contact-actions {
    justify-content: flex-start;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 38px;
  }
}
@media (max-width: 767px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }
  .header-inner {
    min-height: 68px;
  }
  .nav-toggle {
    display: flex;
  }
  .main-nav {
    position: fixed;
    top: 80px;
    left: 16px;
    right: 16px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: #fff;
    border: 1px solid rgba(230, 226, 217, .9);
    border-radius: var(--radius-lg);
    padding: 12px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s var(--ease);
  }
  .main-nav.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }
  .main-nav .nav-link {
    color: var(--color-text);
    min-height: 46px;
    border-radius: 10px;
  }
  .main-nav .nav-link::after {
    display: none;
  }
  .main-nav .nav-link:hover {
    background: var(--color-bg);
    color: var(--color-primary);
  }
  .main-nav .nav-link.active {
    background: var(--color-primary-soft);
    color: var(--color-primary);
  }
  .header-cta {
    display: none;
  }
  .page-banner {
    padding: 132px 0 92px;
  }
  .page-banner .banner-desc {
    font-size: 15px;
  }
  .banner-actions {
    flex-direction: column;
    align-items: flex-start;
  }
  .banner-actions .btn {
    width: 100%;
  }
  .quick-section {
    margin-top: -18px;
    padding-bottom: 54px;
  }
  .quick-card {
    grid-template-columns: 1fr 1fr;
  }
  .quick-item {
    padding: 20px 18px;
    min-height: auto;
  }
  .quick-item:nth-child(2) {
    border-right: 0;
  }
  .quick-item:nth-child(-n+2) {
    border-bottom: 1px solid var(--color-border);
  }
  .quick-label {
    margin-bottom: 8px;
  }
  .content-section {
    padding: 54px 0;
  }
  .section-head {
    margin-bottom: 30px;
  }
  .section-head h2 {
    font-size: 25px;
  }
  .audience-card,
  .audience-card:first-child,
  .audience-card:last-child {
    grid-column: span 12;
  }
  .step-grid {
    grid-template-columns: 1fr;
  }
  .resource-feature {
    padding: 26px 22px;
  }
  .resource-pocket {
    padding: 24px 22px;
  }
  .resource-feature h3 {
    font-size: 20px;
  }
  .contact-band {
    padding: 30px 22px;
  }
  .contact-actions .btn {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-bottom: 32px;
  }
  .site-footer {
    padding-top: 48px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}
@media (max-width: 479px) {
  .quick-card {
    grid-template-columns: 1fr;
  }
  .quick-item {
    border-right: 0 !important;
    border-bottom: 1px solid var(--color-border);
  }
  .quick-item:last-child {
    border-bottom: 0;
  }
}

/* roulang page: category2 */
:root {
      --primary: #0E5A48;
      --primary-dark: #082A20;
      --primary-deep: #061F18;
      --primary-soft: #D9E6E1;
      --accent: #D99B2B;
      --accent-hover: #C58820;
      --accent-soft: #F6E7C8;
      --surface: #F7F5F0;
      --card: #FFFFFF;
      --text: #18251F;
      --text-soft: #6B7A72;
      --border: rgba(8, 42, 32, 0.12);
      --ok: #2E8B57;
      --err: #C94B4B;
      --warn: #B7791F;
      --radius-lg: 20px;
      --radius-md: 14px;
      --radius-sm: 8px;
      --shadow-sm: 0 2px 10px rgba(22, 42, 34, 0.06);
      --shadow-md: 0 10px 26px rgba(22, 42, 34, 0.1);
      --shadow-lg: 0 24px 50px rgba(22, 42, 34, 0.16);
      --container: 1280px;
      --nav-h: 76px;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      overflow-x: hidden;
      margin: 0;
      background: var(--surface);
      color: var(--text);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
      font-size: 16px;
      line-height: 1.75;
    }

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

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

    button,
    input,
    select,
    textarea {
      font-family: inherit;
      font-size: inherit;
      line-height: inherit;
    }

    button {
      border: none;
      cursor: pointer;
      background: none;
      padding: 0;
    }

    .container {
      width: min(var(--container), 100%);
      margin: 0 auto;
      padding-left: clamp(20px, 4vw, 40px);
      padding-right: clamp(20px, 4vw, 40px);
    }

    .section {
      padding-top: clamp(72px, 8vw, 110px);
      padding-bottom: clamp(72px, 8vw, 110px);
    }

    .bg-soft {
      background: #F0EDE6;
    }

    .bg-card {
      background: var(--card);
    }

    .section-head {
      max-width: 780px;
      margin-bottom: 48px;
    }

    .section-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--accent-hover);
      font-weight: 700;
      letter-spacing: .06em;
      font-size: 13px;
      margin-bottom: 12px;
    }

    .section-eyebrow::before {
      content: "";
      width: 24px;
      height: 2px;
      border-radius: 20px;
      background: currentColor;
    }

    .section-head h2 {
      font-size: clamp(26px, 3.8vw, 44px);
      line-height: 1.25;
      letter-spacing: -0.02em;
      margin: 0 0 14px;
    }

    .section-desc {
      color: var(--text-soft);
      font-size: 16px;
      margin: 0;
      max-width: 680px;
    }

    h1,
    h2,
    h3,
    h4 {
      line-height: 1.275;
      margin: 0;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: var(--radius-sm);
      min-height: 44px;
      padding: 10px 22px;
      font-weight: 600;
      text-align: center;
      transition: background .22s, border-color .22s, box-shadow .22s, transform .22s, color .22s;
      outline: none;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .btn:focus-visible {
      outline: none;
      box-shadow: 0 0 0 4px rgba(217, 155, 43, 0.4);
    }

    .btn-primary {
      background: var(--accent);
      color: #1C3229;
    }

    .btn-primary:hover {
      background: var(--accent-hover);
      color: #16291F;
      transform: translateY(-2px);
      box-shadow: 0 10px 22px rgba(217, 155, 43, 0.3);
    }

    .btn-primary:active {
      transform: translateY(0);
      box-shadow: 0 4px 10px rgba(217, 155, 43, 0.25);
    }

    .btn-outline-white {
      border-color: rgba(255, 255, 255, 0.62);
      color: #ffffff;
    }

    .btn-outline-white:hover {
      background: rgba(255, 255, 255, 0.14);
      border-color: #ffffff;
      transform: translateY(-2px);
    }

    .btn-darkoutline {
      border-color: rgba(8, 42, 32, 0.4);
      color: var(--primary-dark);
    }

    .btn-darkoutline:hover {
      background: rgba(8, 42, 32, 0.06);
      border-color: var(--primary);
      transform: translateY(-2px);
    }

    .btn-sm {
      min-height: 38px;
      padding: 6px 16px;
      font-size: 15px;
    }

    .btn-lg {
      min-height: 52px;
      padding: 12px 30px;
      font-size: 17px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      background: var(--primary-soft);
      color: var(--primary-dark);
      border-radius: 999px;
      padding: 5px 14px;
      font-size: 13px;
      font-weight: 600;
      gap: 6px;
      transition: background .2s, color .2s;
    }

    .tag:hover {
      background: var(--primary);
      color: #fff;
    }

    .tag-accent {
      background: var(--accent-soft);
      color: #6A4A0D;
    }

    /* header & nav */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 100;
      background: rgba(8, 42, 32, 0.58);
      -webkit-backdrop-filter: blur(14px) saturate(120%);
      backdrop-filter: blur(14px) saturate(120%);
      border-bottom: 1px solid rgba(255, 255, 255, 0.16);
      transition: background .3s, border-color .3s, box-shadow .3s;
    }

    .site-header.scrolled {
      background: rgba(247, 245, 240, 0.97);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
      border-color: rgba(8, 42, 32, 0.08);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: var(--nav-h);
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 1.18rem;
      font-weight: 800;
      color: #fff;
      letter-spacing: 0.02em;
      transition: color .25s;
    }

    .brand-logo:hover {
      opacity: 0.94;
    }

    .logo-dot {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 34px;
      height: 34px;
      border-radius: 10px;
      background: var(--accent);
      color: #0C2C22;
      font-weight: 900;
      font-size: 19px;
      box-shadow: 0 4px 12px rgba(217, 155, 43, 0.32);
    }

    .site-header.scrolled .brand-logo {
      color: var(--primary-dark);
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 30px;
    }

    .nav-link {
      color: rgba(255, 255, 255, 0.9);
      font-size: 15px;
      font-weight: 500;
      padding: 8px 0;
      position: relative;
      transition: color .2s;
      white-space: nowrap;
    }

    .nav-link:hover {
      color: #fff;
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 0;
      height: 2px;
      border-radius: 2px;
      background: var(--accent);
      transition: width .24s;
    }

    .nav-link:hover::after {
      width: 100%;
    }

    .nav-link.active {
      color: #fff;
      font-weight: 700;
    }

    .nav-link.active::after {
      width: 100%;
    }

    .site-header.scrolled .nav-link {
      color: var(--text);
    }

    .site-header.scrolled .nav-link:hover,
    .site-header.scrolled .nav-link.active {
      color: var(--primary);
    }

    .site-header.scrolled .nav-link::after {
      background: var(--accent);
    }

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

    .header-cta {
      border: none;
    }

    .nav-toggle {
      display: none;
      width: 40px;
      height: 40px;
      border-radius: 10px;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 5px;
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.22);
      transition: background .2s;
    }

    .nav-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      border-radius: 2px;
      background: white;
      transition: transform .25s, opacity .2s;
    }

    .nav-toggle.active .line-top {
      transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.active .line-mid {
      opacity: 0;
    }

    .nav-toggle.active .line-bottom {
      transform: translateY(-7px) rotate(-45deg);
    }

    .site-header.scrolled .nav-toggle {
      border-color: rgba(8, 42, 32, 0.2);
      background: rgba(8, 42, 32, 0.05);
    }

    .site-header.scrolled .nav-toggle span {
      background: var(--primary-dark);
    }

    /* hero */
    .page-hero {
      position: relative;
      min-height: min(690px, 92vh);
      display: flex;
      align-items: center;
      color: #fff;
      padding: calc(var(--nav-h) + 46px) 0 70px;
      overflow: hidden;
      background: linear-gradient(118deg, #0A3026 0%, #0C3B2D 46%, #113F31 100%);
    }

    .page-hero .hero-photo-layer {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      opacity: 0.2;
    }

    .page-hero .hero-photo-layer::after {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at 70% 10%, rgba(217, 155, 43, 0.18), transparent 45%);
    }

    .page-hero__inner {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: minmax(0, 1.07fr) minmax(300px, .93fr);
      gap: clamp(34px, 6vw, 76px);
      align-items: center;
    }

    .hero-breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      color: rgba(255, 255, 255, .68);
      font-size: 14px;
      margin-bottom: 18px;
    }

    .hero-breadcrumb a {
      color: rgba(255, 255, 255, .9);
    }

    .hero-breadcrumb a:hover {
      color: var(--accent);
    }

    .hero-breadcrumb span {
      opacity: .6;
    }

    .page-hero h1 {
      font-size: clamp(30px, 4.6vw, 54px);
      font-weight: 800;
      line-height: 1.23;
      letter-spacing: -0.02em;
      margin-bottom: 20px;
      max-width: 12em;
    }

    .page-hero h1 .word-mark {
      color: var(--accent);
    }

    .hero-lead {
      color: rgba(255, 255, 255, .82);
      font-size: clamp(16px, 1.4vw, 19px);
      line-height: 1.85;
      max-width: 36em;
      margin-bottom: 28px;
    }

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

    .hero-art {
      position: relative;
      z-index: 2;
    }

    .hero-media {
      position: relative;
      border-radius: 28px;
      background: #D7DDD8;
      min-height: 280px;
      overflow: hidden;
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
      transform: rotate(1.5deg);
      aspect-ratio: 4/3;
    }

    .hero-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .hero-media-badge {
      position: absolute;
      right: 20px;
      bottom: 20px;
      left: auto;
      background: rgba(247, 245, 240, 0.94);
      color: var(--primary-dark);
      border-radius: 14px;
      padding: 10px 16px;
      box-shadow: 0 10px 20px rgba(0, 0, 0, .18);
      display: flex;
      flex-direction: column;
      line-height: 1.3;
    }

    .hero-media-badge strong {
      font-size: 14px;
      font-weight: 800;
      letter-spacing: .02em;
    }

    .hero-media-badge span {
      font-size: 12px;
      color: var(--text-soft);
    }

    .hero-media img {
      width: 100%;
    }

    /* split intro */
    .split-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(300px, .92fr);
      gap: clamp(36px, 6vw, 84px);
      align-items: center;
    }

    .split-media-frame {
      background: #E8E4DB;
      border-radius: 24px;
      overflow: hidden;
      box-shadow: var(--shadow-md);
      min-height: 260px;
    }

    .split-media-frame img {
      width: 100%;
      height: 100%;
      min-height: 320px;
      object-fit: cover;
    }

    .section-title h3 {
      font-size: clamp(22px, 3vw, 34px);
      margin-bottom: 16px;
    }

    .section-title p {
      color: var(--text-soft);
      font-size: 16px;
      margin-top: 0;
    }

    .feature-list {
      list-style: none;
      margin: 24px 0 14px;
      padding: 0;
      display: grid;
      gap: 14px;
    }

    .feature-list li {
      display: flex;
      gap: 14px;
      align-items: flex-start;
      background: var(--card);
      border-radius: var(--radius-md);
      border: 1px solid transparent;
      padding: 12px 16px;
      box-shadow: var(--shadow-sm);
      transition: transform .22s, border-color .2s;
    }

    .feature-list li:hover {
      transform: translateX(4px);
      border-color: rgba(217, 155, 43, .6);
    }

    .feature-icon {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: var(--accent-soft);
      color: #8A5A0C;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      flex-shrink: 0;
    }

    .feature-copy strong {
      display: block;
      font-size: 16px;
    }

    .feature-copy span {
      font-size: 14px;
      color: var(--text-soft);
    }

    .capability-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

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

    .workflow-step {
      padding: 28px 24px 24px;
      background: var(--card);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      position: relative;
      border-top: 3px solid transparent;
      transition: transform .22s, box-shadow .22s, border-color .22s;
    }

    .workflow-step:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-top-color: var(--accent);
    }

    .workflow-step .step-num {
      display: inline-flex;
      font-size: 15px;
      color: var(--accent-hover);
      font-weight: 800;
      margin-bottom: 20px;
      letter-spacing: .08em;
    }

    .workflow-step::after {
      content: "";
      display: block;
      width: 38px;
      height: 3px;
      border-radius: 4px;
      background: var(--primary);
      margin: 8px 0 16px;
      opacity: .3;
    }

    .workflow-step h3 {
      font-size: 18px;
      margin-bottom: 8px;
    }

    .workflow-step p {
      color: var(--text-soft);
      font-size: 14px;
      line-height: 1.75;
      margin: 0;
    }

    /* compare block */
    .compare-card {
      background: var(--card);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }

    .compare-grid {
      display: grid;
      grid-template-columns: minmax(190px, .8fr) 1fr 1.15fr;
    }

    .compare-grid + .compare-grid {
      border-top: 1px solid var(--border);
    }

    .compare-heading {
      background: #ECE9E1;
      color: var(--primary-dark);
      font-weight: 700;
      padding: 16px 20px;
    }

    .compare-grid.compare-heading .compare-cell {
      background: #ECE9E1;
      font-weight: 700;
      color: var(--primary-dark);
    }

    .compare-cell {
      padding: 20px;
      color: var(--text);
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .compare-cell.attr-label {
      font-weight: 600;
      background: #FAF9F6;
    }

    .compare-cell + .compare-cell {
      border-left: 1px solid var(--border);
    }

    .compare-cell.highlight {
      background: #EDF4F1;
      color: var(--primary-dark);
      border-left: 1px solid rgba(14, 90, 72, .2);
    }

    .compare-cell .dot-yes {
      width: 8px;
      height: 8px;
      background: var(--ok);
      border-radius: 50%;
      flex-shrink: 0;
    }

    .compare-cell .dot-no {
      width: 8px;
      height: 8px;
      border: 1px solid #AEB7B2;
      border-radius: 50%;
      flex-shrink: 0;
    }

    .compare-tip {
      margin-top: 16px;
      font-size: 14px;
      color: var(--text-soft);
      display: flex;
      gap: 8px;
    }

    /* detail alternating */
    .detail-panel {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: clamp(30px, 5vw, 70px);
      align-items: center;
      padding: clamp(0px, 1.5vw, 20px) 0;
    }

    .detail-panel + .detail-panel {
      margin-top: 54px;
    }

    .detail-media {
      border-radius: 22px;
      overflow: hidden;
      background: #E2DDD2;
      min-height: 240px;
      box-shadow: var(--shadow-sm);
    }

    .detail-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      min-height: 300px;
    }

    .detail-copy h3 {
      font-size: clamp(21px, 2.8vw, 28px);
      margin-bottom: 16px;
    }

    .detail-copy p {
      color: #56615B;
      margin: 0 0 14px;
    }

    .detail-copy ul {
      list-style: none;
      padding: 0;
      margin: 20px 0;
      display: grid;
      gap: 12px;
    }

    .detail-copy ul li {
      position: relative;
      padding-left: 26px;
      color: var(--text);
    }

    .detail-copy ul li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 10px;
      width: 10px;
      height: 10px;
      border-radius: 3px;
      background: var(--accent);
    }

    /* resources */
    .resource-grid {
      display: grid;
      grid-template-columns: 1.3fr 1fr 1fr;
      gap: 22px;
      align-items: stretch;
    }

    .resource-card {
      background: var(--card);
      border-radius: var(--radius-lg);
      padding: 30px 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      border: 1px solid transparent;
      transition: transform .22s, box-shadow .22s, border-color .22s;
      min-height: 250px;
    }

    .resource-card.featured {
      background: var(--primary-dark);
      color: #fff;
      border: none;
    }

    .resource-card.featured h3 {
      color: #fff;
    }

    .resource-card.featured p {
      color: rgba(255, 255, 255, .74);
    }

    .resource-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(217, 155, 43, .3);
    }

    .resource-card.featured:hover {
      border-color: rgba(217, 155, 43, .5);
    }

    .resource-card .resource-icon {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: var(--primary-soft);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      margin-bottom: 18px;
      color: var(--primary);
    }

    .resource-card.featured .resource-icon {
      background: rgba(217, 155, 43, .22);
      color: var(--accent);
    }

    .resource-card h3 {
      font-size: 18px;
      margin-bottom: 9px;
    }

    .resource-card p {
      color: var(--text-soft);
      font-size: 14px;
      line-height: 1.75;
      margin: 0;
      flex: 1;
    }

    .resource-link {
      margin-top: 20px;
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-weight: 700;
      color: var(--primary);
      font-size: 15px;
    }

    .resource-card.featured .resource-link {
      color: var(--accent);
    }

    .resource-link:hover {
      color: var(--accent-hover);
    }

    /* faq */
    .faq-wrap {
      max-width: 880px;
      margin: 0 auto;
    }

    .faq-list {
      display: grid;
      gap: 14px;
    }

    .faq-item {
      background: var(--card);
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      transition: box-shadow .22s, border-color .2s;
    }

    .faq-item.is-open {
      border-color: rgba(14, 90, 72, .45);
      box-shadow: var(--shadow-sm);
    }

    .faq-toggle {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 56px;
      gap: 20px;
      text-align: left;
      padding: 14px 20px;
      color: var(--text);
      font-weight: 600;
      font-size: 16px;
      border-radius: var(--radius-md);
      transition: color .2s;
    }

    .faq-toggle:hover {
      color: var(--primary);
    }

    .faq-arrow {
      width: 30px;
      height: 30px;
      border-radius: 8px;
      background: #F1EDE5;
      color: var(--primary-dark);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: background .22s, transform .22s;
      flex-shrink: 0;
      font-style: normal;
      font-weight: 700;
    }

    .faq-item.is-open .faq-arrow {
      transform: rotate(45deg);
      background: var(--accent-soft);
      color: #9A680D;
    }

    .faq-answer {
      display: none;
      padding: 4px 22px 20px;
    }

    .faq-item.is-open .faq-answer {
      display: block;
      animation: answerFade .22s ease;
    }

    @keyframes answerFade {
      from {
        opacity: 0;
        transform: translateY(-4px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .faq-answer p {
      margin: 0;
      color: var(--text-soft);
      line-height: 1.8;
    }

    /* contact / CTA */
    .contact-cta {
      background: var(--primary-dark);
      color: #fff;
      border-radius: calc(var(--radius-lg) + 8px);
      padding: clamp(34px, 5.4vw, 64px);
      position: relative;
      overflow: hidden;
    }

    .contact-cta::after {
      content: "";
      position: absolute;
      right: -70px;
      bottom: -70px;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      border: 32px solid rgba(217, 155, 43, .16);
    }

    .contact-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: clamp(30px, 5vw, 70px);
      align-items: center;
    }

    .contact-copy h2 {
      color: #fff;
      margin-bottom: 14px;
    }

    .contact-copy p {
      color: rgba(255, 255, 255, .78);
      margin: 0 0 22px;
    }

    .contact-note {
      display: grid;
      gap: 10px;
      margin-top: 14px;
    }

    .contact-note span {
      display: flex;
      align-items: center;
      gap: 10px;
      color: rgba(255, 255, 255, .74);
      font-size: 15px;
    }

    .form-card {
      background: var(--card);
      color: var(--text);
      border-radius: 20px;
      padding: clamp(26px, 3.4vw, 38px);
      box-shadow: var(--shadow-lg);
      position: relative;
      z-index: 1;
    }

    .form-title {
      font-size: 22px;
      margin-bottom: 4px;
    }

    .form-sub {
      color: var(--text-soft);
      font-size: 14px;
      margin: 0 0 20px;
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .form-group {
      margin-bottom: 14px;
    }

    .form-group label {
      display: block;
      font-size: 14px;
      color: var(--text);
      font-weight: 600;
      margin-bottom: 6px;
    }

    .form-group label .required {
      color: var(--err);
    }

    .form-control {
      width: 100%;
      background: #FAF8F4;
      border: 1px solid rgba(8, 42, 32, .14);
      border-radius: 10px;
      min-height: 44px;
      padding: 10px 14px;
      color: var(--text);
      transition: border-color .2s, box-shadow .2s;
      outline: none;
    }

    textarea.form-control {
      resize: vertical;
      min-height: 86px;
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(14, 90, 72, .18);
    }

    .form-control::placeholder {
      color: rgba(107, 122, 114, .7);
    }

    .form-success {
      display: none;
      margin-top: 14px;
      padding: 12px 14px;
      border-radius: 12px;
      background: rgba(46, 139, 87, .12);
      border: 1px solid rgba(46, 139, 87, .3);
      color: #1E5E3D;
      font-size: 14px;
      font-weight: 600;
    }

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

    .btn-submit {
      width: 100%;
      margin-top: 6px;
    }

    /* footer */
    .site-footer {
      background: #071E17;
      color: rgba(255, 255, 255, .74);
      padding-top: clamp(52px, 6vw, 68px);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1fr;
      gap: clamp(28px, 5vw, 60px);
      padding-bottom: 48px;
      border-bottom: 1px solid rgba(255, 255, 255, .1);
    }

    .site-footer .brand-logo {
      color: #fff;
      margin-bottom: 14px;
    }

    .footer-brand p {
      max-width: 320px;
      font-size: 15px;
      margin: 8px 0 0;
      color: rgba(255, 255, 255, .64);
    }

    .footer-col h4 {
      color: #fff;
      font-size: 16px;
      margin-bottom: 16px;
    }

    .footer-col ul {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 10px;
    }

    .footer-col a,
    .footer-col span {
      color: rgba(255, 255, 255, .64);
      transition: color .2s;
      line-height: 1.65;
      display: block;
      font-size: 15px;
    }

    .footer-col a:hover {
      color: var(--accent);
    }

    .footer-contact-cols {
      display: grid;
      align-content: start;
      gap: 8px;
    }

    .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 10px 20px;
      padding: 20px 0;
      font-size: 14px;
      color: rgba(255, 255, 255, .54);
    }

    .legal-links {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .legal-links a {
      color: rgba(255, 255, 255, .66);
      text-decoration: none;
      transition: color .2s;
    }

    .legal-links a:hover {
      color: var(--accent);
    }

    /* responsive */
    @media (max-width: 1100px) {
      .workflow-panel {
        grid-template-columns: 1fr 1fr;
      }

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

      .resource-card.featured {
        grid-column: span 2;
      }

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

    @media (max-width: 920px) {
      .page-hero {
        padding-top: calc(var(--nav-h) + 28px);
        padding-bottom: 52px;
      }

      .page-hero__inner {
        grid-template-columns: 1fr;
      }

      .hero-art {
        max-width: 560px;
      }

      .split-grid,
      .contact-inner {
        grid-template-columns: 1fr;
      }

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

    @media (max-width: 860px) {
      .header-inner {
        min-height: 68px;
      }

      .main-nav {
        position: fixed;
        top: 76px;
        left: 16px;
        right: 16px;
        z-index: 99;
        display: grid;
        gap: 6px;
        background: #fff;
        padding: 16px;
        border-radius: 18px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: opacity .22s, visibility .22s, transform .22s;
        box-shadow: var(--shadow-lg);
      }

      .main-nav.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
      }

      .nav-link {
        color: var(--text) !important;
        padding: 12px 14px;
        border-radius: 10px;
      }

      .nav-link:hover,
      .nav-link.active {
        background: var(--primary-soft);
        color: var(--primary-dark) !important;
      }

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

      .nav-toggle {
        display: inline-flex;
      }

      .header-cta {
        display: none;
      }

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

      .compare-heading {
        display: none;
      }

      .compare-grid + .compare-grid {
        border-top: none;
      }

      .compare-cell {
        border-left: none !important;
        padding: 16px 18px;
        flex-wrap: wrap;
      }

      .compare-cell.attr-label {
        grid-row: 1;
        background: #F1EEE7;
        border-radius: 10px 10px 0 0;
        padding-top: 12px;
        padding-bottom: 12px;
      }

      .compare-grid .compare-cell {
        display: block;
      }

      .compare-grid .compare-cell::before {
        content: attr(data-label);
        display: block;
        font-size: 12px;
        color: var(--text-soft);
        margin-bottom: 6px;
      }

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

      .compare-grid + .compare-grid {
        box-shadow: inset 0 6px 10px -10px rgba(8,42,32,.3);
      }
    }

    @media (max-width: 680px) {
      .workflow-panel {
        grid-template-columns: 1fr;
      }

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

      .resource-card.featured {
        grid-column: auto;
      }

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

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 26px;
      }

      .footer-bottom {
        justify-content: center;
        text-align: center;
      }

      .hero-actions .btn {
        width: 100%;
      }

      .contact-cta {
        padding: 26px 18px;
      }

      .hero-media {
        transform: none;
      }
    }

    @media (max-width: 460px) {
      .brand-logo {
        font-size: 1.02rem;
      }

      .logo-dot {
        width: 30px;
        height: 30px;
        font-size: 16px;
      }

      .btn {
        white-space: normal;
        min-height: 46px;
      }
    }

    @media (min-width: 861px) and (max-width: 1279px) {
      .compare-grid {
        grid-template-columns: 160px 1fr 1.15fr;
      }
    }