/* roulang page: index */
:root{
  --forest:#1D5A3E;
  --forest-deep:#0F3524;
  --lime:#D5F25B;
  --paper:#F6F4ED;
  --sage:#EBEFE4;
  --ink:#17211B;
  --muted:#4D5A4F;
  --accent:#F26B3A;
  --line:#D9DED5;
  --white:#FFFFFF;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-pill:999px;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-display:"Bahnschrift","DIN Alternate","Arial Narrow","PingFang SC","Microsoft YaHei",sans-serif;
  --shadow-sm:0 1px 2px rgba(23,33,27,.05),0 8px 24px rgba(23,33,27,.05);
  --shadow-lg:0 4px 12px rgba(29,90,62,.12),0 18px 36px rgba(23,33,27,.08);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-sans);font-size:16.5px;line-height:1.8;text-rendering:optimizeLegibility}
body::-webkit-scrollbar{width:10px}
body::-webkit-scrollbar-track{background:#e9ebe2}
body::-webkit-scrollbar-thumb{background:var(--forest);border-radius:999px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
input::placeholder{color:#879082}
ul,ol,dl,dd{margin:0;padding:0}
h1,h2,h3,h4,p,figure{margin:0}
button{cursor:pointer}
::selection{background:var(--lime);color:var(--forest-deep)}
.container{max-width:1320px;margin:0 auto;padding:0 32px}
@media (max-width:768px){.container{padding:0 20px}}
.section-block{padding:104px 0}
@media (max-width:768px){.section-block{padding:72px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:42px}
.section-head .section-kicker{margin-bottom:10px}
.section-title{font-size:clamp(30px,4vw,48px);line-height:1.2;letter-spacing:-.02em;font-weight:800;color:var(--ink)}
.section-title span{color:var(--forest)}
.section-note{max-width:560px;color:var(--muted);font-size:16px}
.section-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--forest)}
.section-kicker::before{content:"";width:28px;height:3px;border-radius:999px;background:var(--lime)}
@media (max-width:768px){.section-head{flex-direction:column;align-items:flex-start;gap:14px}}
.text-link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--forest);font-weight:700;transition:gap .2s}
.text-link-arrow:hover{gap:12px}
.text-link-line{font-size:14px;color:var(--muted);font-weight:500}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 26px;border-radius:14px;font-weight:700;border:0;text-decoration:none;transition:transform .22s,box-shadow .22s,background .22s,color .22s;white-space:nowrap}
.btn:focus-visible{outline:3px solid rgba(29,90,62,.35);outline-offset:3px}
.btn-primary{background:var(--forest);color:#fff}
.btn-primary:hover{background:var(--forest-deep);transform:translateY(-1px);box-shadow:0 12px 28px rgba(29,90,62,.22)}
.btn-lime{background:var(--lime);color:#10281D}
.btn-lime:hover{background:#e2fa7c;color:#0a2416;transform:translateY(-1px);box-shadow:0 12px 28px rgba(0,0,0,.16)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.12)}
.btn-sm{min-height:44px;padding:0 20px;border-radius:12px;font-size:15px}
.site-header{position:sticky;top:0;z-index:90;background:linear-gradient(180deg,#fffdf7 0%,var(--paper) 100%);border-bottom:1px solid #e2e7db;box-shadow:0 1px 0 rgba(23,33,27,.02)}
.header-row{display:flex;align-items:center;gap:28px;padding:14px 0}
.brand-logo{display:flex;align-items:center;gap:14px;flex:0 0 auto;border-radius:16px}
.brand-logo:focus-visible{outline:3px solid rgba(29,90,62,.3);outline-offset:6px}
.logo-tile{width:46px;height:46px;border-radius:14px;background:var(--forest-deep);display:flex;align-items:center;justify-content:center;flex:0 0 auto;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}
.logo-tile svg{display:block}
.logo-name{display:block;font-size:22px;font-weight:800;line-height:1.1;letter-spacing:-.02em;color:var(--ink)}
.logo-sub{display:block;font-size:10.5px;font-weight:700;letter-spacing:.16em;line-height:1.6;color:var(--muted);text-transform:uppercase;font-family:var(--font-display)}
.search-zone{flex:1 1 auto;min-width:0;display:flex;justify-content:center;margin:0 auto;max-width:740px}
.search-form{display:flex;width:100%;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;min-height:52px;padding:0 8px 0 18px;box-shadow:0 2px 8px rgba(23,33,27,.04);transition:border-color .2s,box-shadow .2s}
.search-form:focus-within{border-color:var(--forest);box-shadow:0 0 0 4px rgba(29,90,62,.14)}
.search-form svg{flex:0 0 auto;color:var(--muted)}
.search-input{flex:1;min-width:0;border:0;outline:0;background:transparent;padding:0 10px;color:var(--ink);font-size:15px}
.search-submit{flex:0 0 auto;min-height:42px;padding:0 20px;border:0;border-radius:999px;background:var(--forest);color:#fff;font-weight:700;font-size:14px;transition:background .2s}
.search-submit:hover{background:var(--forest-deep)}
.header-links{flex:0 0 auto;display:flex;align-items:center;gap:16px;color:var(--muted);font-size:14px}
.header-links a{transition:color .2s}
.header-links a:hover{color:var(--forest)}
.header-links .divider{width:1px;height:18px;background:var(--line);display:block}
.menu-btn{display:none;width:46px;height:46px;border-radius:14px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer}
.menu-btn svg{width:22px;height:22px;color:var(--forest)}
.menu-toggle{position:absolute;opacity:0;pointer-events:none}
.site-nav{border-top:1px solid var(--line)}
.site-nav .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.nav-list{list-style:none;display:flex;align-items:center;gap:4px;padding:4px 0;overflow-x:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;min-height:46px;padding:0 20px;font-size:16px;font-weight:600;color:#33403a;transition:color .2s;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:20px;right:20px;bottom:2px;height:4px;border-radius:999px;background:var(--lime);width:0;transition:width .25s}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after,.nav-link.is-active::after{width:calc(100% - 40px)}
.nav-link.is-active{color:var(--ink);font-weight:800}
.nav-extra{font-size:13px;letter-spacing:.02em;color:var(--muted);white-space:nowrap}
.nav-extra strong{color:var(--forest)}
@media (max-width:1024px){
  .header-row{flex-wrap:wrap;gap:14px}
  .search-zone{order:4;flex:1 1 100%;max-width:none}
  .menu-btn{display:inline-flex}
  .site-nav{display:none;border-top:1px solid var(--line)}
  .menu-toggle:checked~.site-nav{display:block}
  .site-nav .nav-inner{flex-direction:column;align-items:flex-start;padding:12px 0}
  .nav-list{flex-direction:column;align-items:stretch;width:100%}
  .nav-link{min-height:50px;width:100%;font-size:16px;border-radius:12px}
  .nav-link::after{left:16px;right:auto;bottom:auto;top:50%;width:4px;height:0}
  .nav-link:hover::after,.nav-link.is-active::after{width:4px;height:22px;bottom:auto;transform:translateY(-50%)}
  .nav-link.is-active{background:var(--sage)}
  .nav-extra{display:none}
}
@media (max-width:680px){
  .brand-logo{gap:10px}
  .logo-tile{width:42px;height:42px;border-radius:12px}
  .logo-name{font-size:20px}
  .logo-sub{font-size:9px}
  .header-links{display:none}
  .header-row{gap:12px}
}
.hero{position:relative;background:linear-gradient(112deg,rgba(15,53,36,.96) 0%,rgba(29,90,62,.86) 48%,rgba(15,53,36,.7) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto -10% -25% -10%;height:260px;background:radial-gradient(ellipse at center,transparent 35%,rgba(0,0,0,.15) 100%);pointer-events:none}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center;padding:104px 0 112px;position:relative;z-index:2}
.hero-kicker{display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--lime);margin-bottom:28px}
.hero-title{font-size:clamp(48px,7.2vw,92px);line-height:1.08;font-weight:800;letter-spacing:-.045em;font-family:var(--font-display);color:#fff;margin-bottom:28px}
.hero-title .hero-brand{display:block;color:var(--lime);letter-spacing:-.04em}
.hero-title .hero-tail{display:block;font-size:.48em;letter-spacing:-.02em;font-weight:800;margin-top:8px;font-family:var(--font-sans);line-height:1.4;color:rgba(255,255,255,.92)}
.hero-desc{font-size:18px;line-height:1.85;color:rgba(255,255,255,.82);max-width:640px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:40px}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:6px}
.hero-facts span{display:inline-flex;align-items:center;gap:9px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.5}
.hero-facts svg{width:18px;height:18px;color:var(--lime);flex:0 0 auto}
.hero-scene{position:relative;min-height:520px}
.hero-scene-main{position:absolute;right:0;top:10px;width:82%;border-radius:28px;overflow:hidden;transform:rotate(2deg);box-shadow:0 30px 60px rgba(0,0,0,.3)}
.hero-scene-main img{width:100%;height:380px;object-fit:cover}
.hero-scene-mini{position:absolute;left:-6px;bottom:18px;width:46%;border-radius:24px;overflow:hidden;border:6px solid rgba(255,255,255,.14);transform:rotate(-4deg);box-shadow:0 24px 48px rgba(0,0,0,.28)}
.hero-scene-mini img{width:100%;height:200px;object-fit:cover}
.hero-scene-badge{position:absolute;right:-4px;bottom:84px;z-index:4;background:var(--lime);color:var(--forest-deep);font-size:13px;font-weight:800;padding:12px 18px;border-radius:999px;box-shadow:0 14px 32px rgba(0,0,0,.2);transform:rotate(3deg)}
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:64px 0 72px}
  .hero-scene{min-height:340px;max-width:640px}
  .hero-scene-main{width:72%}
  .hero-scene-main img{height:260px}
  .hero-scene-mini{width:40%;left:0}
  .hero-scene-mini img{height:150px}
}
@media (max-width:640px){
  .hero-inner{padding:48px 0 54px;gap:32px}
  .hero-title{font-size:clamp(42px,12vw,66px)}
  .hero-scene{min-height:240px;margin-top:8px}
  .hero-scene-main img{height:190px}
  .hero-scene-mini{bottom:0}
  .hero-scene-mini img{height:110px}
  .hero-facts{gap:10px}
}
.metrics-band{background:#fff;border-bottom:1px solid #eaece4}
.metrics-list{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:22px 0;margin:0;list-style:none}
.metrics-list li{display:flex;align-items:center;gap:14px;font-size:15px;color:var(--muted);line-height:1.45}
.metrics-list li .m-num{font-family:var(--font-display);font-size:28px;font-weight:800;color:var(--forest);letter-spacing:-.03em;background:var(--sage);padding:6px 14px;border-radius:14px;white-space:nowrap}
.metrics-list li svg{color:var(--lime);width:24px;height:24px}
@media (max-width:768px){.metrics-list{flex-wrap:wrap;gap:16px 22px}.metrics-list li{width:calc(50% - 12px)}}
.story-grid{display:grid;grid-template-columns:7fr 5fr;gap:72px;align-items:center}
.story-visual{position:relative}
.story-visual img{border-radius:28px;width:100%;height:520px;object-fit:cover;box-shadow:var(--shadow-sm)}
.story-visual .story-stamp{position:absolute;right:-14px;bottom:-20px;background:var(--forest-deep);color:#fff;border-radius:22px;padding:18px 24px;font-size:13px;letter-spacing:.06em;line-height:1.5;text-align:center;border:5px solid var(--paper)}
.story-visual .story-stamp strong{display:block;font-family:var(--font-display);font-size:24px;color:var(--lime);letter-spacing:0;line-height:1.2}
.story-copy h2{font-size:clamp(28px,4.4vw,48px);line-height:1.26;margin-bottom:20px;font-weight:800;letter-spacing:-.04em}
.story-copy h2 em{font-style:normal;color:var(--forest)}
.story-lead{color:var(--muted);font-size:18px;line-height:1.9;margin-bottom:18px}
.story-quote{border-left:4px solid var(--lime);background:var(--sage);border-radius:0 16px 16px 0;padding:20px 24px;color:var(--forest-deep);font-size:16px;margin:24px 0}
.story-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
@media (max-width:900px){.story-grid{grid-template-columns:1fr;gap:48px}.story-visual img{height:340px}}
.news-zone{background:var(--paper)}
.news-head .section-title{font-size:clamp(30px,4vw,42px)}
.cms-layout{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(0,1fr);gap:44px;align-items:start}
.feature-post{background:#fff;border-radius:24px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.feature-post:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.feature-cover{overflow:hidden;position:relative;background:#E4E8DF;height:310px}
.feature-cover img{width:100%;height:100%;object-fit:cover;transition:transform .55s}
.feature-post:hover .feature-cover img{transform:scale(1.03)}
.feature-tag{position:absolute;left:20px;top:20px;background:rgba(255,255,255,.9);backdrop-filter:blur(6px);padding:7px 13px;border-radius:999px;font-size:13px;font-weight:800;color:var(--forest)}
.feature-body{padding:28px 28px 30px}
.feature-body h3{font-size:22px;line-height:1.5;font-weight:800;letter-spacing:-.02em;margin-bottom:10px}
.feature-body h3 a:hover{color:var(--forest)}
.feature-excerpt{color:var(--muted);font-size:15.5px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.feature-foot{display:flex;align-items:center;justify-content:space-between;gap:18px;color:var(--muted);font-size:14px}
.feature-foot time{background:var(--lime);color:var(--forest-deep);padding:5px 12px;border-radius:7px;font-weight:700;font-family:var(--font-display);letter-spacing:.02em}
.news-side{display:flex;flex-direction:column;gap:0;background:#fff;border-radius:24px;border:1px solid #e7eae1;box-shadow:var(--shadow-sm);overflow:hidden}
.news-side-title{padding:18px 22px;font-weight:800;font-size:15px;letter-spacing:.02em;color:var(--forest);border-bottom:1px solid var(--sage);display:flex;align-items:center;gap:10px}
.news-side-item{border-bottom:1px solid #eef0e9;padding:0}
.news-side-item:last-child{border-bottom:0}
.news-side-item a{display:block;padding:18px 22px;transition:background .2s,padding-left .2s}
.news-side-item a:hover{background:#f9fbf5;padding-left:26px}
.news-side-item h4{font-size:16px;font-weight:700;line-height:1.55;color:var(--ink);margin-bottom:6px}
.news-side-item p{font-size:13.5px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-side-meta{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:12px;color:var(--muted)}
.news-side-meta .c-name{color:var(--forest);font-weight:700}
.news-side-meta time{color:var(--muted);font-family:var(--font-display);letter-spacing:.03em}
.cms-empty{grid-column:1/-1;background:#fff;border:1px dashed #c7cec1;border-radius:22px;padding:56px 24px;text-align:center;color:var(--muted)}
.cms-empty p{font-size:17px;font-weight:600}
.cms-empty::before{content:"○ ○ ○";display:block;font-family:var(--font-display);letter-spacing:.3em;color:var(--forest);font-size:20px;margin-bottom:12px}
@media (max-width:960px){.cms-layout{grid-template-columns:1fr}.feature-cover{height:300px}}
.channel-zone{background:#fff}
.channel-grid{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-flow:dense;gap:24px}
.channel-card{background:var(--paper);border-radius:24px;overflow:hidden;position:relative;border:1px solid #edf0e8;transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}
.channel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.channel-main{grid-column:span 7;grid-row:span 2}
.channel-stack .channel-card{min-height:210px}
.channel-stack{grid-column:span 5;display:grid;grid-template-rows:1fr 1fr;gap:24px}
.channel-card .ch-thumb{overflow:hidden;background:#E6E9E0;min-height:180px}
.ch-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s}
.channel-card:hover .ch-thumb img{transform:scale(1.05)}
.channel-main .ch-thumb{height:300px}
.ch-content{display:flex;flex-direction:column;gap:10px;padding:24px 26px 26px;flex:1}
.ch-content h3{font-size:20px;font-weight:800;letter-spacing:-.02em;line-height:1.4}
.ch-content p{color:var(--muted);font-size:15px;line-height:1.8;flex:1}
.ch-headline{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}
.ch-tag{display:inline-flex;align-items:center;min-height:36px;padding:0 14px;background:var(--sage);border-radius:999px;color:var(--forest);font-size:13px;font-weight:800;width:fit-content}
.ch-link{color:var(--forest);font-weight:800;font-size:15px;display:inline-flex;align-items:center;gap:6px}
.ch-link svg{transition:transform .2s}
.channel-card:hover .ch-link svg{transform:translateX(4px)}
.channel-main .ch-thumb{position:relative}
.channel-main .ch-thumb::after{content:"";position:absolute;left:0;right:0;bottom:0;height:170px;background:linear-gradient(180deg,transparent,rgba(15,53,36,.55));pointer-events:none}
.channel-label{position:absolute;z-index:3;left:24px;bottom:22px;right:24px;display:flex;justify-content:space-between;align-items:center;color:#fff;font-size:14px;font-weight:700;gap:12px}
.service-ribbon{grid-column:1/-1;background:var(--forest-deep);border-radius:26px;padding:42px 50px;position:relative;overflow:hidden;display:flex;align-items:center;gap:36px;justify-content:space-between;color:#fff;box-shadow:0 20px 44px rgba(15,53,36,.24)}
.service-ribbon::before{content:"B";position:absolute;right:-20px;top:-80px;font-size:260px;font-weight:800;color:rgba(255,255,255,.07);font-family:var(--font-display);line-height:1;pointer-events:none}
.service-ribbon .sr-content{max-width:680px;position:relative;z-index:1}
.service-ribbon .sr-content h3{font-size:clamp(28px,3.4vw,42px);font-weight:800;letter-spacing:-.03em;line-height:1.3;margin-bottom:8px}
.service-ribbon .sr-content h3 strong{color:var(--lime)}
.service-ribbon .sr-content p{color:rgba(255,255,255,.74);line-height:1.8;font-size:15.5px}
/* for service ticket link center not main button? */
.sr-btn{position:relative;z-index:1;flex:0 0 auto}
@media (max-width:1080px){.channel-main,.channel-stack,.service-ribbon{grid-column:1/-1}.channel-stack{grid-template-columns:1fr 1fr;grid-template-rows:none}.service-ribbon{flex-direction:column;align-items:flex-start;padding:36px 32px}.channel-main .ch-thumb{height:300px}.channel-stack .channel-card{min-height:100%}}
@media (max-width:640px){.channel-stack{grid-template-columns:1fr}}
@media (max-width:520px){.channel-main .ch-thumb{height:220px}.service-ribbon{padding:30px 24px}}
.trust-band{border-top:1px solid #e2e8dc;border-bottom:1px solid #e2e8dc;background:var(--sage);padding:44px 0}
.trust-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px;align-items:center}
.trust-block{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:14.5px;line-height:1.6}
.trust-block svg{color:var(--forest);flex:0 0 auto;width:22px;height:22px}
.trust-block strong{color:var(--ink);font-weight:800}
@media (max-width:700px){.trust-grid{gap:16px}.trust-block{width:100%}}
.faq-zone{background:var(--paper)}
.faq-wrap{max-width:880px;margin:0 auto}
.faq-list{display:flex;flex-direction:column;gap:18px;margin-top:26px}
.faq-item{background:#fff;border:1px solid #e9ece3;border-radius:22px;padding:0 30px;overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .2s,border-color .2s}
.faq-item[open]{border-color:#cbd5c3;box-shadow:var(--shadow-lg)}
.faq-item summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:26px 0;font-size:18px;font-weight:800;color:var(--ink);line-height:1.5}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-open{flex:0 0 auto;width:36px;height:36px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;position:relative;transition:background .2s,transform .2s}
.faq-item summary .faq-open::before,.faq-item summary .faq-open::after{content:"";background:var(--forest);width:14px;height:2px;border-radius:2px;position:absolute;transition:transform .2s}
.faq-item summary .faq-open::after{transform:rotate(90deg)}
.faq-item[open] summary .faq-open{transform:rotate(135deg);background:var(--lime)}
.faq-item[open] summary .faq-open::before,.faq-item[open] summary .faq-open::after{background:var(--forest-deep)}
.faq-answer{color:var(--muted);line-height:1.85;font-size:16px;padding:0 0 26px;max-width:760px}
.newsletter-zone{background:var(--forest-deep);color:#fff;position:relative;overflow:hidden}
.newsletter-zone::before{content:"B";position:absolute;right:-50px;top:-120px;font-family:var(--font-display);font-weight:800;font-size:420px;line-height:1;color:rgba(255,255,255,.07);pointer-events:none}
.newsletter-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding:110px 0;position:relative;z-index:1}
.newsletter-copy h2{font-size:clamp(30px,4vw,48px);font-weight:800;letter-spacing:-.04em;line-height:1.2;margin-bottom:16px}
.newsletter-copy h2 strong{color:var(--lime)}
.newsletter-copy p{color:rgba(255,255,255,.78);font-size:16.5px;line-height:1.9;max-width:520px}
.newsletter-copy .mini-serv{margin-top:22px;color:rgba(255,255,255,.66);font-size:14px}
.newsletter-form{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:28px;padding:34px}
.newsletter-form label{display:flex;flex-direction:column;gap:10px;margin-bottom:18px;font-size:15px;color:rgba(255,255,255,.9);font-weight:700}
.newsletter-form input{height:52px;border:1px solid rgba(255,255,255,.25);border-radius:14px;padding:0 18px;background:#fff;color:var(--ink);outline:0;transition:border .2s,box-shadow .2s}
.newsletter-form input:focus{border-color:var(--lime);box-shadow:0 0 0 4px rgba(213,242,91,.25)}
.newsletter-form .btn{width:100%}
.form-success{color:var(--lime);font-size:14px;font-weight:700;min-height:22px;margin-top:12px}
@media (max-width:900px){.newsletter-inner{grid-template-columns:1fr;padding:74px 0}.newsletter-form{padding:26px}}
.footer{background:var(--forest-deep);color:rgba(255,255,255,.7);padding:72px 0 30px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:48px;padding-bottom:54px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .footer-logo{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .logo-mark{width:44px;height:44px;border-radius:13px;background:var(--lime);display:flex;align-items:center;justify-content:center;color:var(--forest-deep);font-weight:800;font-family:var(--font-display)}
.footer-brand h2{font-size:23px;color:#fff;font-weight:800;letter-spacing:-.02em;margin-bottom:12px;line-height:1.2}
.footer-brand p{color:rgba(255,255,255,.6);font-size:15px;line-height:1.85;max-width:300px}
.footer-head{display:block;color:#fff;font-weight:800;font-size:15px;letter-spacing:.1em;margin-bottom:18px;text-transform:uppercase;font-family:var(--font-display)}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.footer-col ul a{color:rgba(255,255,255,.66);line-height:1.6}
.footer-col ul a:hover{color:var(--lime)}
.footer-col .domain{font-family:var(--font-display);font-weight:700}
.footer-contact li{display:flex;gap:10px;align-items:center;color:rgba(255,255,255,.66);line-height:1.7}
.footer-contact svg{width:18px;height:18px;color:var(--lime);flex:0 0 auto}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding-top:28px;font-size:13.5px;color:rgba(255,255,255,.45)}
.footer-bottom .legal{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:var(--lime)}
@media (max-width:960px){.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms!important;animation-duration:.01ms!important;scroll-behavior:auto}
  a,button,.channel-card,.feature-post{transform:none!important}
}

/* roulang page: category1 */
:root {
    --primary: #1D5A3E;
    --primary-dark: #0F3524;
    --lime: #D5F25B;
    --paper: #F6F4ED;
    --soft: #EBEFE4;
    --ink: #17211B;
    --muted: #4D5A4F;
    --accent: #F26B3A;
    --line: #D5DED0;
    --light-line: #E7ECE1;
    --white: #ffffff;
    --shadow-1: 0 1px 2px rgba(23,33,27,.05), 0 8px 24px rgba(23,33,27,.05);
    --shadow-2: 0 4px 12px rgba(29,90,62,.12), 0 18px 36px rgba(23,33,27,.08);
    --radius-xl: 28px;
    --radius-lg: 20px;
    --radius-md: 12px;
    --font-sans: "PingFang SC","Microsoft YaHei","Noto Sans SC","system-ui",sans-serif;
    --font-display: "Bahnschrift","DIN Alternate","Arial Narrow",var(--font-sans);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }

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

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

  h1,h2,h3,h4,h5 {
    margin: 0;
    line-height: 1.25;
    color: var(--ink);
  }

  p {
    margin: 0;
  }

  ul, ol {
    margin: 0;
    padding: 0;
  }

  button, input {
    font: inherit;
    color: inherit;
  }

  ::selection {
    background: var(--lime);
    color: var(--primary-dark);
  }

  :focus-visible {
    outline: 3px solid rgba(213, 242, 91, .85);
    outline-offset: 2px;
  }

  .container {
    width: min(1320px, 100% - 2.5rem);
    margin-inline: auto;
  }

  @media (max-width: 640px) {
    .container {
      width: min(100% - 1.5rem, 1320px);
    }
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    border-radius: 14px;
    font-weight: 700;
    padding: 0 24px;
    border: 0;
    cursor: pointer;
    transition: transform .25s ease, background-color .25s ease, border-color .25s ease, box-shadow .25s ease;
  }

  .btn svg {
    width: 17px;
    height: 17px;
  }

  .btn-green {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 6px 16px rgba(29, 90, 62, .2);
  }

  .btn-green:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-2);
  }

  .btn-lime {
    background: var(--lime);
    color: var(--primary-dark);
    box-shadow: 0 6px 18px rgba(15, 53, 36, .16);
  }

  .btn-lime:hover {
    background: #e0fa7f;
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(15, 53, 36, .22);
  }

  .btn-ghost {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255,255,255,.68);
  }

  .btn-ghost:hover {
    background: rgba(255,255,255,.12);
    border-color: #fff;
    transform: translateY(-2px);
  }

  .btn-ghost-outline {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid #BDCBBE;
  }

  .btn-ghost-outline:hover {
    border-color: var(--primary);
    background: rgba(29,90,62,.06);
    transform: translateY(-2px);
  }

  .section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--primary);
  }

  .section-label::before {
    content: "";
    width: 28px;
    height: 4px;
    border-radius: 999px;
    background: var(--lime);
  }

  .section-head h2,
  .subtitle {
    font-size: clamp(1.9rem, 3vw, 2.8rem);
    font-weight: 800;
    letter-spacing: .01em;
    color: var(--primary-dark);
    line-height: 1.2;
  }

  .section-head p {
    margin-top: 16px;
    color: var(--muted);
    max-width: 64ch;
  }

  .header-main {
    position: relative;
    z-index: 50;
    background: linear-gradient(180deg, #FDFCF9 0%, #F6F4ED 100%);
    border-bottom: 1px solid var(--light-line);
  }

  .header-grid {
    display: grid;
    grid-template-columns: auto minmax(260px, 720px) auto;
    gap: 28px;
    align-items: center;
    padding-top: 15px;
    padding-bottom: 15px;
  }

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

  .brand-mark {
    width: 46px;
    height: 46px;
    border-radius: 15px;
    background: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--lime);
    flex: none;
    box-shadow: 0 6px 14px rgba(29,90,62,.2);
  }

  .brand-mark svg {
    width: 26px;
    height: 26px;
  }

  .brand-title {
    display: block;
    font-size: 1.28rem;
    font-weight: 800;
    letter-spacing: .01em;
    line-height: 1.2;
    color: var(--primary-dark);
  }

  .brand-tag {
    display: block;
    margin-top: 3px;
    font-family: var(--font-display);
    font-size: .62rem;
    letter-spacing: .18em;
    color: var(--muted);
    text-transform: uppercase;
  }

  .search-box {
    width: 100%;
    max-width: 720px;
  }

  .search-form {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border: 1px solid #D7DED0;
    border-radius: 999px;
    min-height: 50px;
    padding-left: 20px;
    box-shadow: 0 1px 2px rgba(23,33,27,.04), 0 8px 24px rgba(23,33,27,.04);
    transition: border-color .25s ease, box-shadow .25s ease;
  }

  .search-form:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(29,90,62,.16);
  }

  .search-icon {
    display: inline-flex;
    color: var(--muted);
    flex: none;
  }

  .search-icon svg {
    width: 18px;
    height: 18px;
  }

  .search-input {
    flex: 1 1 auto;
    min-width: 0;
    background: transparent;
    border: 0;
    padding: 10px 0;
    color: var(--ink);
    font-size: .95rem;
  }

  .search-input:focus {
    outline: none;
  }

  .search-input::placeholder {
    color: #8CA090;
  }

  .search-submit {
    flex: none;
    border: 0;
    background: var(--primary);
    color: #fff;
    border-radius: 999px;
    height: 42px;
    padding: 0 22px;
    font-weight: 700;
    cursor: pointer;
    transition: background-color .25s ease;
  }

  .search-submit:hover {
    background: var(--primary-dark);
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    justify-content: flex-end;
  }

  .header-action {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--muted);
    font-size: .9rem;
    font-weight: 600;
    padding: 8px 4px;
    transition: color .2s ease;
  }

  .header-action svg {
    width: 16px;
    height: 16px;
  }

  .header-action:hover {
    color: var(--primary);
  }

  .nav-toggler {
    display: none;
    border: 0;
    background: transparent;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--primary-dark);
    border: 1px solid var(--line);
  }

  .nav-toggler svg {
    width: 22px;
    height: 22px;
  }

  .site-nav {
    background: #fff;
    border-top: 1px solid rgba(229,235,225,.6);
    border-bottom: 1px solid var(--light-line);
  }

  .nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }

  .nav-list {
    display: flex;
    align-items: stretch;
    list-style: none;
  }

  .nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 2px;
    margin-right: 38px;
    font-size: .96rem;
    font-weight: 700;
    color: #435146;
    white-space: nowrap;
  }

  .nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 4px;
    border-radius: 999px 999px 0 0;
    background: var(--lime);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform .25s ease;
  }

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

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

  .nav-note {
    color: var(--muted);
    font-size: .85rem;
    white-space: nowrap;
  }

  .nav-note strong {
    color: var(--primary);
  }

  .category-hero {
    position: relative;
    overflow: hidden;
    background-color: var(--primary-dark);
    background-image: linear-gradient(90deg, rgba(7, 32, 22, .94) 0%, rgba(15, 53, 36, .78) 55%, rgba(15, 53, 36, .44) 100%), url('/assets/images/backpic/back-2.webp');
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    color: #fff;
    padding: clamp(72px, 9vw, 122px) 0;
  }

  .hero-watermark {
    position: absolute;
    right: -40px;
    top: -90px;
    width: 420px;
    height: 420px;
    font-family: var(--font-display);
    font-size: 380px;
    line-height: 1;
    color: rgba(255,255,255,.04);
    pointer-events: none;
    user-select: none;
  }

  .category-hero .hero-inner {
    position: relative;
    z-index: 2;
    max-width: 820px;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(213,242,91,.14);
    border: 1px solid rgba(213,242,91,.3);
    color: var(--lime);
    border-radius: 999px;
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .06em;
    padding: 6px 14px;
  }

  .pulse-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--lime);
    box-shadow: 0 0 0 4px rgba(213,242,91,.22);
  }

  .category-hero h1 {
    margin-top: 22px;
    color: #fff;
    font-size: clamp(2.35rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: .01em;
    text-wrap: balance;
  }

  .category-hero .hero-desc {
    margin-top: 24px;
    max-width: 700px;
    color: rgba(255,255,255,.88);
    font-size: 1.1rem;
    line-height: 1.9;
  }

  .hero-actions {
    margin-top: 36px;
  }

  .signal-strip {
    padding-top: 34px;
    padding-bottom: 34px;
    background: var(--paper);
    border-bottom: 1px solid var(--light-line);
  }

  .signal-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0,1fr));
    gap: 16px;
  }

  .signal-cell {
    background: #fff;
    border: 1px solid var(--light-line);
    border-radius: 18px;
    padding: 18px 20px;
    box-shadow: var(--shadow-1);
    transition: box-shadow .25s ease, transform .25s ease;
  }

  .signal-cell:hover {
    box-shadow: var(--shadow-2);
    transform: translateY(-3px);
  }

  .signal-kicker {
    display: block;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .1em;
    color: var(--muted);
    text-transform: uppercase;
  }

  .signal-value {
    display: block;
    margin-top: 7px;
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1.3;
  }

  .signal-note {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    font-size: .82rem;
  }

  .timeline-section {
    background: var(--soft);
    padding-top: 84px;
    padding-bottom: 96px;
  }

  @media (max-width: 640px) {
    .timeline-section {
      padding-top: 64px;
      padding-bottom: 72px;
    }
  }

  .timeline-list {
    list-style: none;
    position: relative;
    padding-left: 42px;
    margin: 8px 0 0;
  }

  .timeline-list::before {
    content: "";
    position: absolute;
    left: 8px;
    top: 10px;
    bottom: 12px;
    width: 2px;
    border-radius: 999px;
    background: #B9C9B5;
  }

  .timeline-entry {
    position: relative;
    padding-bottom: 40px;
  }

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

  .timeline-entry::before {
    content: "";
    position: absolute;
    left: -33px;
    top: 9px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--lime);
    border: 3px solid var(--primary);
    box-shadow: 0 0 0 6px rgba(29,90,62,.1);
  }

  .timeline-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 8px;
  }

  .timeline-year {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: .04em;
  }

  .timeline-label {
    display: inline-flex;
    align-items: center;
    min-height: 26px;
    padding: 0 12px;
    border-radius: 999px;
    background: rgba(29,90,62,.1);
    color: var(--primary);
    font-weight: 700;
    font-size: .78rem;
  }

  .timeline-panel {
    background: #fff;
    border: 1px solid #E1E9DE;
    border-radius: var(--radius-lg);
    padding: 24px 26px;
    box-shadow: var(--shadow-1);
    transition: box-shadow .3s ease, transform .3s ease;
  }

  .timeline-panel:hover {
    box-shadow: var(--shadow-2);
    transform: translateY(-4px);
  }

  .timeline-panel h3 {
    font-size: 1.16rem;
    font-weight: 800;
    color: var(--primary-dark);
  }

  .timeline-panel p {
    margin-top: 10px;
    color: var(--muted);
    font-size: .96rem;
    line-height: 1.75;
  }

  .archive-stack {
    display: grid;
    gap: 26px;
  }

  .media-card {
    overflow: hidden;
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--light-line);
    box-shadow: var(--shadow-1);
    transition: box-shadow .3s ease, transform .3s ease;
  }

  .media-card:hover {
    box-shadow: var(--shadow-2);
    transform: translateY(-4px);
  }

  .media-card .cover-wrap {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--soft);
  }

  .media-card .cover-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
  }

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

  .media-card-body {
    padding: 22px 24px 26px;
  }

  .media-card-body h3 {
    font-size: 1.18rem;
    font-weight: 800;
    color: var(--primary-dark);
  }

  .media-card-body p {
    margin-top: 10px;
    color: var(--muted);
    font-size: .94rem;
  }

  .tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
  }

  .tag {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 12px;
    border-radius: 999px;
    background: #EBF1E7;
    color: var(--primary);
    font-size: .78rem;
    font-weight: 700;
    border: 1px solid transparent;
    transition: background-color .2s ease, border-color .2s ease;
  }

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

  .quote-note {
    position: relative;
    background: var(--primary-dark);
    border-radius: var(--radius-lg);
    color: rgba(255,255,255,.86);
    padding: 28px 26px;
    overflow: hidden;
  }

  .quote-note::before {
    content: "”";
    position: absolute;
    right: 14px;
    top: -16px;
    font-family: var(--font-display);
    font-size: 120px;
    line-height: 1.2;
    color: rgba(213,242,91,.18);
  }

  .quote-note h4 {
    color: var(--lime);
    font-weight: 800;
    margin-bottom: 12px;
    font-size: 1rem;
    letter-spacing: .04em;
  }

  .quote-note p {
    font-size: .95rem;
    line-height: 1.85;
  }

  .editor-note {
    background: linear-gradient(180deg, #FAF8F3 0%, #EDF2E9 100%);
    padding-top: 90px;
    padding-bottom: 100px;
  }

  @media (max-width: 640px) {
    .editor-note {
      padding-top: 64px;
      padding-bottom: 76px;
    }
  }

  .editor-media {
    margin: 0;
    position: relative;
  }

  .editor-media img {
    width: 100%;
    border-radius: 26px;
    box-shadow: var(--shadow-2);
  }

  .editor-media figcaption {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    color: var(--muted);
    font-size: .85rem;
  }

  .flow-list {
    list-style: none;
    margin-top: 28px;
    border-top: 1px dashed #CDD8CB;
  }

  .flow-list li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 0 14px;
    border-bottom: 1px dashed #CDD8CB;
  }

  .flow-num {
    flex: none;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--primary);
    color: var(--lime);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
  }

  .flow-copy b {
    display: block;
    color: var(--primary-dark);
    font-size: .98rem;
    line-height: 1.4;
  }

  .flow-copy span {
    color: var(--muted);
    font-size: .88rem;
    line-height: 1.7;
  }

  .faq-section {
    background: var(--paper);
    padding-top: 84px;
    padding-bottom: 96px;
  }

  @media (max-width: 640px) {
    .faq-section {
      padding-top: 64px;
      padding-bottom: 72px;
    }
  }

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

  .faq-card {
    background: #fff;
    border: 1px solid var(--light-line);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(23,33,27,.03);
    transition: box-shadow .25s ease, border-color .25s ease;
  }

  .faq-card[open] {
    border-color: rgba(29,90,62,.24);
    box-shadow: var(--shadow-1);
  }

  .faq-card summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    cursor: pointer;
    padding: 22px 26px;
    font-weight: 800;
    font-size: 1rem;
    color: var(--primary-dark);
    user-select: none;
  }

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

  .faq-card summary::marker {
    content: "";
  }

  .faq-toggle {
    flex: none;
    position: relative;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--primary);
    transition: background-color .25s ease, transform .25s ease;
  }

  .faq-toggle::before,
  .faq-toggle::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 14px;
    height: 2px;
    border-radius: 999px;
    background: #fff;
    transform: translate(-50%, -50%);
  }

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

  .faq-card[open] .faq-toggle {
    background: var(--lime);
    transform: rotate(135deg);
  }

  .faq-card[open] .faq-toggle::before,
  .faq-card[open] .faq-toggle::after {
    background: var(--primary-dark);
  }

  .faq-answer {
    padding: 0 26px 24px;
    color: var(--muted);
    max-width: 68ch;
    line-height: 1.85;
  }

  .cta-band {
    position: relative;
    overflow: hidden;
    background: var(--primary-dark);
    border-radius: var(--radius-xl);
    padding: clamp(34px, 5vw, 62px);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    box-shadow: 0 18px 46px rgba(15,53,36,.22);
  }

  .cta-band::before {
    content: "B";
    position: absolute;
    right: -28px;
    top: -80px;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 260px;
    line-height: 1;
    color: rgba(255,255,255,.045);
    pointer-events: none;
  }

  .cta-copy {
    position: relative;
    z-index: 2;
  }

  .cta-copy h2 {
    color: #fff;
    font-size: clamp(1.7rem, 3vw, 2.6rem);
    font-weight: 800;
    line-height: 1.25;
  }

  .cta-copy p {
    margin-top: 12px;
    color: rgba(255,255,255,.72);
    max-width: 54ch;
    font-size: 1rem;
  }

  .cta-actions {
    position: relative;
    z-index: 2;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }

  .btn-lime.btn-cta-action:hover {
    transform: translateY(-2px);
  }

  .footer {
    background: var(--primary-dark);
    color: rgba(255,255,255,.68);
    margin-top: 80px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 2.2fr repeat(3, 1fr);
    gap: 52px;
    padding: 72px 0 52px;
  }

  .footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .footer-mark {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: var(--lime);
    color: var(--primary-dark);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: none;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1rem;
  }

  .footer-brand .logo-name {
    color: #fff;
    font-size: 1.2rem;
    font-weight: 800;
    line-height: 1.25;
  }

  .footer-brand .logo-sub {
    color: rgba(255,255,255,.48);
    font-family: var(--font-display);
    font-size: .65rem;
    letter-spacing: .16em;
  }

  .footer-brand h2 {
    margin: 22px 0 12px;
    color: #fff;
    font-size: 1.3rem;
    line-height: 1.45;
    font-weight: 700;
  }

  .footer-brand p {
    color: rgba(255,255,255,.62);
    font-size: .93rem;
    line-height: 1.85;
    max-width: 42ch;
  }

  .footer-head {
    display: block;
    color: #fff;
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: .03em;
  }

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

  .footer-col a {
    color: rgba(255,255,255,.62);
    font-size: .92rem;
    transition: color .2s ease, padding-left .2s ease;
  }

  .footer-col a:hover {
    color: var(--lime);
    padding-left: 3px;
  }

  .footer-col li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,.62);
    font-size: .92rem;
  }

  .footer-col li svg {
    width: 17px;
    height: 17px;
    flex: none;
    color: var(--lime);
  }

  .footer-col .domain {
    color: rgba(255,255,255,.78);
  }

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,.1);
    padding: 22px 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
    color: rgba(255,255,255,.48);
    font-size: .86rem;
  }

  .footer-bottom a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255,255,255,.62);
    transition: color .2s ease;
  }

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

  @media (max-width: 1160px) {
    .header-grid {
      grid-template-columns: auto 1fr auto;
      gap: 18px;
    }
    .brand-tag {
      font-size: .56rem;
    }
    .brand-title {
      font-size: 1.14rem;
    }
    .nav-link {
      margin-right: 22px;
      font-size: .92rem;
    }
    .footer-grid {
      grid-template-columns: 1.6fr 1fr 1fr 1.1fr;
      gap: 34px;
    }
  }

  @media (max-width: 1024px) {
    .signal-grid {
      grid-template-columns: repeat(2, minmax(0,1fr));
    }
    .footer-grid {
      grid-template-columns: repeat(3, 1fr);
    }
    .footer-brand {
      grid-column: span 2;
    }
  }

  @media (max-width: 860px) {
    .header-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 14px;
      padding-bottom: 12px;
    }
    .brand-lockup {
      flex: 1 1 auto;
    }
    .search-box {
      order: 5;
      flex: 1 0 100%;
    }
    .header-actions {
      display: none;
    }
    .nav-toggler {
      display: inline-flex;
      margin-left: auto;
    }
    .site-nav {
      display: none;
    }
    .site-nav.is-open {
      display: block;
    }
    .nav-wrap {
      display: block;
      padding: 0;
    }
    .nav-list {
      display: block;
      padding: 6px 0 10px;
    }
    .nav-list li {
      border-bottom: 1px solid #F0F3ED;
    }
    .nav-link {
      display: flex;
      min-height: 48px;
      justify-content: flex-start;
      padding: 0 14px;
      margin-right: 0;
    }
    .nav-link::after {
      height: 3px;
      border-radius: 0;
      bottom: auto;
      top: 0;
      width: 4px;
      transform: scaleY(0);
    }
    .nav-link:hover::after,
    .nav-link.is-active::after {
      transform: scaleY(1);
    }
    .nav-note {
      display: block;
      padding: 4px 14px 12px;
      font-size: .84rem;
      white-space: normal;
    }
    .timeline-grid {
      display: grid;
      grid-template-columns: 1fr;
    }
    .archive-stack {
      grid-template-columns: repeat(2, minmax(0,1fr));
    }
    .quote-note {
      height: 100%;
    }
    .media-card {
      margin-bottom: 0;
    }
  }

  @media (max-width: 640px) {
    .btn {
      width: 100%;
    }
    .brand-title {
      font-size: 1.02rem;
    }
    .brand-tag {
      display: none;
    }
    .brand-mark {
      width: 40px;
      height: 40px;
    }
    .search-form {
      min-height: 48px;
      padding-left: 16px;
    }
    .search-submit {
      height: 38px;
      padding: 0 16px;
      font-size: .88rem;
    }
    .search-input {
      font-size: .88rem;
    }
    .category-hero {
      padding-top: 58px;
      padding-bottom: 66px;
    }
    .category-hero .hero-desc {
      font-size: 1rem;
    }
    .hero-actions {
      margin-top: 26px;
    }
    .signal-grid {
      grid-template-columns: 1fr;
    }
    .archive-stack {
      grid-template-columns: 1fr;
    }
    .faq-list {
      gap: 10px;
    }
    .faq-card summary {
      padding: 18px 18px;
      font-size: .95rem;
    }
    .faq-answer {
      padding: 0 18px 20px;
    }
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 34px;
      padding-top: 54px;
      padding-bottom: 36px;
    }
    .footer-brand {
      grid-column: auto;
    }
    .cta-band {
      padding: 30px 22px;
    }
    .footer {
      margin-top: 56px;
    }
    .cta-actions {
      width: 100%;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation: none !important;
      transition: none !important;
      scroll-behavior: auto !important;
    }
  }

/* roulang page: article */
:root {
    --green: #1D5A3E;
    --deep-green: #0F3524;
    --lime: #D5F25B;
    --bg: #F6F4ED;
    --panel: #EBEFE4;
    --ink: #17211B;
    --muted: #4D5A4F;
    --line: #D9DED5;
    --accent: #F26B3A;
    --radius: 20px;
    --shadow-sm: 0 1px 2px rgba(23, 33, 27, .05), 0 8px 24px rgba(23, 33, 27, .05);
    --shadow-md: 0 4px 12px rgba(29, 90, 62, .12), 0 18px 36px rgba(23, 33, 27, .08);
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.75;
    font-size: 16px;
  }

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

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

  button,
  input {
    font: inherit;
  }

  ul,
  ol {
    margin: 0;
    padding: 0;
  }

  .container {
    max-width: 1320px;
    margin-inline: auto;
    padding-inline: clamp(16px, 3vw, 36px);
  }

  .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 24px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 15px;
    border: 1px solid transparent;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    cursor: pointer;
  }

  .btn-primary {
    background: var(--green);
    color: #fff;
    box-shadow: var(--shadow-sm);
  }

  .btn-primary:hover {
    background: var(--deep-green);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
  }

  .btn-lime {
    background: var(--lime);
    color: #17211B;
    box-shadow: var(--shadow-sm);
  }

  .btn-lime:hover {
    background: #c4e542;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
  }

  .btn-ghost-light {
    border-color: rgba(255, 255, 255, .55);
    color: #fff;
    background: transparent;
  }

  .btn-ghost-light:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, .1);
    transform: translateY(-1px);
  }

  .header {
    background: linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
    border-bottom: 1px solid rgba(23, 33, 27, .08);
  }

  .header-main {
    display: grid;
    grid-template-columns: auto minmax(360px, 720px) auto;
    gap: 28px;
    align-items: center;
    padding: 18px 0 12px;
  }

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

  .brand-mark {
    width: 46px;
    height: 50px;
    background: var(--deep-green);
    color: var(--lime);
    border-radius: 14px 4px 14px 4px;
    display: grid;
    place-items: center;
    font-family: "Bahnschrift", "DIN Alternate", "Arial Narrow", sans-serif;
    font-weight: 800;
    font-size: 26px;
    letter-spacing: 0;
  }

  .brand-name {
    display: block;
    font-size: 23px;
    font-weight: 800;
    line-height: 1.25;
    color: var(--ink);
    letter-spacing: .01em;
  }

  .brand-sub {
    display: block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .14em;
    color: var(--muted);
    line-height: 1.3;
  }

  .search-form {
    display: flex;
    align-items: center;
    gap: 4px;
    width: 100%;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 6px 6px 6px 18px;
    box-shadow: 0 1px 2px rgba(23, 33, 27, .03), 0 6px 18px rgba(23, 33, 27, .05);
    transition: border-color .2s ease, box-shadow .2s ease;
  }

  .search-form:focus-within {
    border-color: rgba(29, 90, 62, .5);
    box-shadow: 0 0 0 0.25rem rgba(29, 90, 62, .18);
  }

  .search-form svg {
    width: 18px;
    height: 18px;
    color: var(--muted);
    flex: none;
  }

  .search-input {
    height: 44px;
    flex: 1;
    min-width: 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--ink);
    font-size: 15px;
    padding: 0 10px;
  }

  .search-input::placeholder {
    color: #8d958e;
  }

  .search-btn {
    flex: none;
    border: 0;
    background: var(--lime);
    color: #17211B;
    font-weight: 700;
    height: 44px;
    border-radius: 999px;
    padding: 0 20px;
    cursor: pointer;
    transition: background .2s ease;
  }

  .search-btn:hover {
    background: #c3e044;
  }

  .header-tools {
    display: flex;
    align-items: center;
    gap: 18px;
    justify-content: flex-end;
    font-size: 14px;
    color: var(--muted);
  }

  .tool-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    color: var(--green);
  }

  .tool-link:hover {
    color: var(--deep-green);
  }

  .site-nav {
    border-top: 1px solid rgba(23, 33, 27, .04);
    background: rgba(255, 255, 255, .6);
  }

  .nav-inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1320px;
    margin-inline: auto;
    padding-inline: clamp(16px, 3vw, 36px);
  }

  .nav-list {
    list-style: none;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
    min-height: 56px;
  }

  .nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    height: 56px;
    padding: 0 16px;
    font-weight: 600;
    font-size: 15px;
    color: var(--ink);
    letter-spacing: .02em;
    transition: color .2s ease;
    white-space: nowrap;
  }

  .nav-link::after {
    content: "";
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 4px;
    height: 4px;
    background: var(--lime);
    border-radius: 999px;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform .25s ease;
  }

  .nav-link:hover,
  .nav-link.is-active {
    color: #0B2D1C;
  }

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

  .nav-extra {
    font-size: 13px;
    color: var(--muted);
    letter-spacing: .02em;
  }

  .nav-extra strong {
    color: var(--green);
    font-weight: 700;
  }

  .nav-toggle-btn {
    display: none;
    border: 0;
    background: var(--lime);
    color: #17211B;
    border-radius: 999px;
    font-weight: 700;
    min-height: 40px;
    padding: 0 16px;
    align-items: center;
    gap: 6px;
    cursor: pointer;
  }

  .article-main {
    padding: 0 0 70px;
  }

  .breadcrumb {
    padding-top: 26px;
    font-size: 14px;
    color: var(--muted);
  }

  .breadcrumb ol {
    list-style: none;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
  }

  .breadcrumb li {
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }

  .breadcrumb li + li::before {
    content: "/";
    color: #a9b3ab;
    font-size: 13px;
  }

  .breadcrumb a {
    color: var(--green);
    font-weight: 500;
  }

  .breadcrumb a:hover {
    color: var(--deep-green);
  }

  .breadcrumb span[aria-current="page"] {
    color: var(--ink);
    font-weight: 600;
  }

  .article-head {
    max-width: 1180px;
    margin-inline: auto;
    padding: 56px 24px 10px;
    text-align: left;
  }

  .article-cat-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(29, 90, 62, .1);
    color: var(--green);
    border: 1px solid rgba(29, 90, 62, .2);
    border-radius: 999px;
    padding: 6px 16px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 18px;
  }

  .article-cat-badge::before {
    content: "";
    width: 8px;
    height: 8px;
    background: var(--lime);
    border-radius: 50%;
  }

  .article-h1 {
    font-size: clamp(30px, 4.4vw, 52px);
    line-height: 1.22;
    font-weight: 800;
    color: var(--ink);
    max-width: 980px;
    margin: 0;
    letter-spacing: -.01em;
  }

  .article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 22px;
    color: var(--muted);
    font-size: 14px;
  }

  .date-chip {
    display: inline-flex;
    align-items: center;
    background: var(--lime);
    color: #17211B;
    font-weight: 700;
    border-radius: 8px;
    padding: 4px 12px;
    font-size: 13px;
  }

  .meta-author {
    color: var(--muted);
  }

  .article-visual {
    max-width: 1180px;
    margin: 34px auto 0;
    padding-inline: 24px;
    position: relative;
  }

  .article-visual figure {
    margin: 0;
    border-radius: 28px;
    overflow: hidden;
    aspect-ratio: 16 / 6;
    box-shadow: var(--shadow-md);
    background: var(--panel);
  }

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

  .article-writer {
    max-width: 920px;
    margin-inline: auto;
    padding: 46px 24px 0;
  }

  .article-body {
    max-width: 760px;
    margin: 0 auto;
    padding: 28px 16px 40px;
    font-size: 17.5px;
    line-height: 1.85;
    color: var(--ink);
    width: 100%;
  }

  .article-body > * {
    margin-block: 1em 1.2em;
  }

  .article-body h2 {
    font-size: 27px;
    line-height: 1.35;
    font-weight: 800;
    color: var(--ink);
    padding-left: 16px;
    border-left: 4px solid var(--green);
    margin-top: 2em;
  }

  .article-body h3 {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.4;
    margin-top: 1.8em;
    color: var(--deep-green);
  }

  .article-body p {
    line-height: 1.9;
  }

  .article-body ul,
  .article-body ol {
    padding-left: 1.25em;
  }

  .article-body li {
    margin-block: .45em;
  }

  .article-body a {
    color: var(--green);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(29, 90, 62, .3);
  }

  .article-body blockquote {
    margin: 1.8em 0;
    background: var(--panel);
    border-left: 4px solid var(--lime);
    border-radius: 14px;
    padding: 18px 24px;
    color: var(--muted);
    font-size: 16px;
    line-height: 1.8;
  }

  .article-body img {
    border-radius: 14px;
    margin: 1.5em auto;
    box-shadow: var(--shadow-sm);
  }

  .article-body figure {
    margin: 1.6em 0;
  }

  .article-body figure img {
    width: 100%;
    border-radius: 14px;
  }

  .article-body figcaption {
    text-align: center;
    color: var(--muted);
    font-size: 13px;
    margin-top: 8px;
  }

  .article-body table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: 14px;
    overflow: hidden;
    font-size: 15px;
    line-height: 1.6;
    background: #fff;
    border: 1px solid var(--line);
  }

  .article-body th {
    background: var(--green);
    color: #fff;
    font-weight: 700;
    text-align: left;
    padding: 12px 16px;
  }

  .article-body td {
    padding: 12px 16px;
    border-top: 1px solid var(--line);
    color: var(--ink);
  }

  .article-body tr:nth-child(even) td {
    background: #fafbf8;
  }

  .article-source {
    max-width: 760px;
    margin: 0 auto;
    padding: 10px 16px 30px;
    display: flex;
    gap: 12px;
    align-items: center;
    color: var(--muted);
    font-size: 14px;
    border-top: 1px solid rgba(23, 33, 27, .08);
  }

  .empty-card {
    max-width: 760px;
    margin: 70px auto 50px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: 60px 30px;
    text-align: center;
    box-shadow: var(--shadow-sm);
  }

  .empty-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(242, 107, 58, .12);
    color: var(--accent);
    font-weight: 800;
    font-size: 24px;
    margin-bottom: 16px;
    font-family: Georgia, serif;
  }

  .empty-card h2 {
    font-size: 24px;
    margin: 0 0 10px;
  }

  .empty-card p {
    color: var(--muted);
    margin-bottom: 20px;
  }

  .nav-card-area {
    background: var(--panel);
    padding: 74px 0 70px;
    margin-top: 20px;
  }

  .section-head {
    margin-bottom: 28px;
  }

  .section-eyebrow {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .08em;
    color: var(--green);
    text-transform: uppercase;
    margin-bottom: 6px;
  }

  .section-title {
    font-size: clamp(24px, 3vw, 36px);
    line-height: 1.25;
    margin: 0 0 10px;
    font-weight: 800;
    color: var(--ink);
  }

  .section-desc {
    color: var(--muted);
    max-width: 680px;
    font-size: 15px;
    margin: 0;
  }

  .dir-grid {
    display: grid;
    grid-template-columns: repeat(24, 1fr);
    gap: 20px;
  }

  .dir-card-main {
    grid-column: span 13;
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    background: #fff;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(23, 33, 27, .06);
    transition: transform .25s ease, box-shadow .25s ease;
  }

  .dir-card-main:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
  }

  .dir-main-media {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--line);
  }

  .dir-main-media img,
  .dir-card-mini img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
  }

  .dir-card-main:hover img,
  .dir-card-mini:hover img {
    transform: scale(1.02);
  }

  .dir-main-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 30px;
  }

  .dir-tag {
    display: inline-flex;
    align-self: flex-start;
    background: rgba(29, 90, 62, .1);
    color: var(--green);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    padding: 4px 12px;
    margin-bottom: 12px;
  }

  .dir-main-content h3 {
    font-size: 24px;
    font-weight: 800;
    margin: 0 0 8px;
    color: var(--ink);
  }

  .dir-main-content p {
    color: var(--muted);
    font-size: 15px;
    margin: 0 0 16px;
  }

  .text-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--green);
    font-weight: 700;
    font-size: 15px;
  }

  .dir-card-main:hover .text-link {
    color: var(--deep-green);
  }

  .dir-rail {
    grid-column: span 11;
    display: grid;
    gap: 20px;
  }

  .dir-card-mini {
    display: grid;
    grid-template-columns: 1fr 130px;
    align-items: center;
    background: #fff;
    border-radius: 20px;
    padding: 12px;
    border: 1px solid rgba(23, 33, 27, .06);
    gap: 16px;
    box-shadow: var(--shadow-sm);
    transition: transform .25s ease, box-shadow .25s ease;
  }

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

  .dir-card-mini-img {
    height: 104px;
    border-radius: 14px;
    overflow: hidden;
    background: var(--line);
  }

  .dir-card-mini h3 {
    font-size: 18px;
    margin: 0 0 4px;
    color: var(--ink);
    line-height: 1.35;
  }

  .dir-card-mini p {
    font-size: 14px;
    color: var(--muted);
    margin: 0 0 8px;
  }

  .article-cta {
    background: var(--deep-green);
    color: #fff;
    padding: 54px 0;
  }

  .article-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
  }

  .article-cta-inner h2 {
    font-size: clamp(22px, 2.4vw, 32px);
    line-height: 1.3;
    margin: 0 0 6px;
    color: #fff;
    font-weight: 800;
  }

  .article-cta-inner p {
    margin: 0;
    color: rgba(255, 255, 255, .66);
    max-width: 660px;
  }

  .cta-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .footer {
    background: #0B2B1A;
    color: #fff;
    padding: 70px 0 30px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 3fr 2fr 2fr 2fr;
    gap: 42px;
    margin-bottom: 26px;
  }

  .footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
  }

  .logo-mark {
    width: 44px;
    height: 46px;
    background: var(--lime);
    color: #0F3524;
    display: grid;
    place-items: center;
    font-weight: 800;
    font-family: "Bahnschrift", sans-serif;
    border-radius: 12px 4px 12px 4px;
    font-size: 20px;
    flex: none;
  }

  .logo-name {
    font-size: 21px;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
  }

  .logo-sub {
    font-size: 11px;
    letter-spacing: .12em;
    color: rgba(255, 255, 255, .55);
  }

  .footer-brand h2 {
    font-size: 20px;
    font-weight: 800;
    margin: 0 0 8px;
    color: rgba(255, 255, 255, .92);
  }

  .footer-brand p {
    color: rgba(255, 255, 255, .58);
    font-size: 14px;
    margin: 0;
    max-width: 420px;
  }

  .footer-head {
    display: block;
    font-weight: 700;
    font-size: 15px;
    color: #fff;
    margin-bottom: 14px;
  }

  .footer-grid ul {
    list-style: none;
    display: grid;
    gap: 8px;
  }

  .footer-grid a {
    color: rgba(255, 255, 255, .62);
    font-size: 14px;
    transition: color .2s ease;
  }

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

  .footer-contact li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, .6);
    font-size: 14px;
  }

  .footer-contact svg {
    width: 16px;
    height: 16px;
    color: var(--lime);
    flex: none;
  }

  .domain {
    color: rgba(255, 255, 255, .75);
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .12);
    padding-top: 22px;
    font-size: 13px;
    color: rgba(255, 255, 255, .48);
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
  }

  @media (max-width: 1100px) {
    .header-main {
      grid-template-columns: 1fr 1fr;
    }

    .search-form {
      grid-column: 1 / -1;
      grid-row: 2;
      margin-top: 4px;
    }

    .header-tools {
      justify-content: flex-end;
    }

    .dir-card-main {
      grid-column: span 24;
    }

    .dir-rail {
      grid-column: span 24;
      grid-template-columns: 1fr 1fr;
    }
  }

  @media (max-width: 860px) {
    .site-nav .nav-list {
      display: none;
    }

    .site-nav.open .nav-list {
      display: flex;
      flex-direction: column;
      align-items: stretch;
      min-height: auto;
      padding: 6px 0 14px;
    }

    .site-nav.open .nav-list li {
      width: 100%;
    }

    .site-nav.open .nav-link {
      width: 100%;
      height: 48px;
      white-space: nowrap;
    }

    .nav-link::after {
      left: 12px;
      right: auto;
      width: 28px;
    }

    .nav-toggle-btn {
      display: inline-flex;
      margin-right: 12px;
    }

    .nav-extra {
      margin-left: auto;
    }
  }

  @media (max-width: 720px) {
    .header-top {
      padding-top: 10px;
    }

    .header-main {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px 12px;
      padding-top: 10px;
      padding-bottom: 14px;
    }

    .brand {
      flex: 1;
      min-width: 0;
    }

    .brand-name {
      font-size: 19px;
    }

    .brand-mark {
      width: 40px;
      height: 44px;
      font-size: 22px;
      border-radius: 12px 4px 12px 4px;
    }

    .search-form {
      order: 3;
      width: 100%;
    }

    .article-head {
      padding: 34px 16px 0;
    }

    .article-h1 {
      font-size: 26px;
    }

    .article-visual {
      padding-inline: 12px;
    }

    .article-visual figure {
      aspect-ratio: 4 / 3;
      border-radius: 18px;
    }

    .article-body {
      padding: 22px 10px 28px;
      font-size: 16px;
    }

    .article-body h2 {
      font-size: 23px;
    }

    .dir-card-main {
      grid-template-columns: 1fr;
    }

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

    .dir-rail {
      grid-template-columns: 1fr;
    }

    .dir-card-mini {
      grid-template-columns: 1fr 110px;
    }

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

    .footer-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }

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

    .footer-nav {
      display: none;
    }

    .nav-extra {
      display: none;
    }
  }

  @media (max-width: 520px) {
    .header-tools {
      gap: 6px;
    }

    .tool-link {
      font-size: 13px;
    }

    .brand-sub {
      letter-spacing: .06em;
    }

    .nav-toggle-btn span {
      display: none;
    }

    .nav-toggle-btn {
      width: 42px;
      justify-content: center;
      padding: 0;
    }

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

    .dir-card-mini-img {
      height: 160px;
    }

    .footer-bottom {
      flex-direction: column;
      gap: 8px;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: .01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: .01ms !important;
      scroll-behavior: auto !important;
    }
  }

/* roulang page: category2 */
:root {
    --forest: #1D5A3E;
    --branddark: #0F3524;
    --lime: #D5F25B;
    --paper: #F6F4ED;
    --cloud: #EBEFE4;
    --ink: #17211B;
    --subink: #4D5A4F;
    --mango: #F26B3A;
    --border: #DCE3D4;
    --shadow-card: 0 1px 2px rgba(23, 33, 27, .05), 0 8px 24px rgba(23, 33, 27, .05);
    --shadow-lift: 0 4px 12px rgba(29, 90, 62, .12), 0 18px 36px rgba(23, 33, 27, .08);
  }
  * {
    box-sizing: border-box;
  }
  html {
    scroll-behavior: smooth;
    background: var(--paper);
  }
  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
    background: var(--paper);
    color: var(--ink);
    font-size: 16px;
    line-height: 1.7;
    margin: 0;
  }
  h1,
  h2,
  h3,
  p,
  ul,
  ol,
  figure {
    margin: 0;
    padding: 0;
  }
  ul,
  ol {
    list-style: none;
  }
  a {
    color: inherit;
    text-decoration: none;
  }
  img {
    display: block;
    max-width: 100%;
  }
  button,
  input {
    font-family: inherit;
    font-size: inherit;
  }
  .container {
    width: 100%;
    max-width: 1320px;
    margin-right: auto;
    margin-left: auto;
    padding-right: 1.25rem;
    padding-left: 1.25rem;
  }
  ::selection {
    background: var(--lime);
    color: #1D2D22;
  }
  .skip-link {
    position: absolute;
    left: -999px;
    top: 8px;
    z-index: 100;
    background: #fff;
    border-radius: 8px;
    padding: .6rem 1rem;
    box-shadow: var(--shadow-card);
  }
  .skip-link:focus {
    left: 8px;
  }

  /* ==== Header ==== */
  .site-header {
    background: linear-gradient(180deg, #ffffff 0%, #fbfaf5 100%);
    border-bottom: 1px solid #dfe5d9;
    position: relative;
    z-index: 40;
  }
  .header-grid {
    display: grid;
    grid-template-columns: minmax(190px, auto) minmax(240px, 720px) auto;
    align-items: center;
    gap: 1.25rem 1.5rem;
    padding-top: .9rem;
    padding-bottom: .9rem;
  }
  .brand-logo {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    gap: .8rem;
    min-width: 0;
  }
  .logo-mark {
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: var(--forest);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "Bahnschrift", "DIN Alternate", "Arial Narrow", sans-serif;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: .04em;
    box-shadow: 0 6px 14px rgba(29, 90, 62, .22);
    position: relative;
    overflow: hidden;
  }
  .logo-mark::after {
    content: "";
    position: absolute;
    right: -8px;
    bottom: -10px;
    width: 30px;
    height: 22px;
    background: var(--lime);
    transform: rotate(18deg);
    border-radius: 5px;
    opacity: .85;
  }
  .logo-mark span {
    position: relative;
    z-index: 2;
  }
  .brand-linegroup {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
  }
  .brand-cn {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: .015em;
    color: var(--ink);
    white-space: nowrap;
  }
  .brand-en {
    font-size: 10px;
    color: #617164;
    letter-spacing: .24em;
    text-transform: uppercase;
    margin-top: .25rem;
    white-space: nowrap;
  }

  .search-area {
    min-width: 0;
  }
  .search-shell {
    display: flex;
    align-items: center;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 999px;
    box-shadow: 0 1px 2px rgba(23, 33, 27, .04);
    transition: border-color .2s, box-shadow .2s, transform .2s;
    min-height: 50px;
    padding: 0 .45rem 0 1.15rem;
  }
  .search-shell:focus-within {
    border-color: rgba(29, 90, 62, .65);
    box-shadow: 0 0 0 4px rgba(29, 90, 62, .12), var(--shadow-card);
  }
  .search-icon {
    width: 26px;
    height: 26px;
    color: var(--forest);
    flex: 0 0 auto;
  }
  .search-field {
    flex: 1 1 auto;
    min-width: 0;
    border: 0;
    outline: none;
    background: transparent;
    padding: .55rem .65rem;
    font-size: .95rem;
    color: var(--ink);
  }
  .search-field::placeholder {
    color: #7d897e;
  }
  .search-submit {
    flex: 0 0 auto;
    border: 0;
    background: var(--lime);
    color: #24301f;
    font-weight: 700;
    font-size: .92rem;
    padding: .5rem 1.1rem;
    border-radius: 999px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    transition: background .2s, transform .2s, color .2s;
  }
  .search-submit:hover {
    background: var(--forest);
    color: #fff;
  }
  .search-submit:active {
    transform: scale(.97);
  }

  .header-tools {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: .35rem;
  }
  .tool-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .35rem;
    font-size: .92rem;
    font-weight: 600;
    color: var(--forest);
    padding: .55rem .85rem;
    border-radius: 999px;
    background: transparent;
    border: 0;
    cursor: pointer;
    transition: background .2s, color .2s;
    white-space: nowrap;
  }
  .tool-link:hover {
    background: rgba(29, 90, 62, .08);
    color: #133627;
  }

  /* nav */
  .site-nav {
    border-top: 1px solid #e5eadf;
    background: rgba(255, 255, 255, .92);
  }
  .nav-inner {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 1rem;
    position: relative;
    min-height: 49px;
  }
  .nav-list {
    display: flex;
    align-items: stretch;
    gap: .25rem;
    list-style: none;
  }
  .nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: .8rem 1.05rem .82rem;
    font-weight: 700;
    font-size: .98rem;
    color: #243329;
    border: 0;
    background: transparent;
    cursor: pointer;
    transition: color .2s;
    white-space: nowrap;
  }
  .nav-link::after {
    content: "";
    position: absolute;
    left: 1rem;
    right: 1rem;
    bottom: .42rem;
    height: 4px;
    border-radius: 999px;
    background: var(--lime);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform .25s ease;
  }
  .nav-link:hover,
  .nav-link.is-active {
    color: #102C1E;
  }
  .nav-link:hover::after,
  .nav-link.is-active::after {
    transform: scaleX(1);
  }
  .nav-extra {
    display: flex;
    align-items: center;
    font-size: .9rem;
    color: #617164;
    white-space: nowrap;
  }
  .nav-extra strong {
    color: var(--forest);
    font-weight: 800;
    margin-left: .2rem;
  }
  .nav-toggle {
    display: none;
    align-items: center;
    gap: .4rem;
    background: transparent;
    border: 0;
    padding: .55rem .8rem;
    border-radius: 10px;
    color: var(--forest);
    font-weight: 700;
    font-size: .95rem;
    cursor: pointer;
  }
  .nav-toggle svg {
    width: 24px;
    height: 24px;
  }

  @media (max-width: 900px) {
    .header-grid {
      grid-template-columns: 1fr auto;
      gap: .7rem 1rem;
    }
    .search-area {
      grid-column: 1 / -1;
      grid-row: 2;
    }
    .search-shell {
      min-height: 48px;
    }
    .search-field {
      padding: .65rem .2rem .65rem .6rem;
    }
    .site-nav {
      border-top: 1px solid var(--border);
    }
    .nav-inner {
      flex-wrap: wrap;
      min-height: 0;
      padding-top: .35rem;
      padding-bottom: .35rem;
      gap: .55rem;
    }
    .nav-toggle {
      display: inline-flex;
    }
    .nav-extra {
      margin-left: auto;
      font-size: .82rem;
    }
    .nav-list {
      display: none;
      width: 100%;
      flex-direction: column;
      gap: .1rem;
      border-top: 1px solid var(--border);
      padding-top: .4rem;
      margin-top: .2rem;
    }
    .site-nav.is-open .nav-list {
      display: flex;
    }
    .nav-link {
      display: flex;
      justify-content: flex-start;
      padding: .7rem .4rem;
      font-size: 1rem;
      min-height: 44px;
    }
    .nav-link::after {
      display: none;
    }
  }

  @media (max-width: 560px) {
    .header-tools .tool-link {
      padding: .55rem .55rem;
      font-size: .84rem;
    }
    .tool-link svg {
      width: 17px;
    }
    .brand-cn {
      font-size: 1.08rem;
    }
    .brand-en {
      font-size: 8.5px;
      letter-spacing: .12em;
    }
    .nav-extra {
      display: none;
    }
  }

  /* ==== Hero ==== */
  .hero-cat2 {
    position: relative;
    overflow: hidden;
    background:
      linear-gradient(110deg, rgba(246, 244, 237, .96) 0%, rgba(235, 239, 228, .9) 58%, rgba(215, 226, 207, .88) 100%);
  }
  .hero-cat2::before {
    content: "";
    pointer-events: none;
    position: absolute;
    width: 560px;
    height: 560px;
    border-radius: 50%;
    background: rgba(213, 242, 91, .13);
    top: -240px;
    right: -80px;
  }
  .hero-cat2::after {
    content: "";
    pointer-events: none;
    position: absolute;
    left: -8%;
    bottom: -18%;
    width: 260px;
    height: 260px;
    background-image: url('/assets/images/backpic/back-3.webp');
    background-size: cover;
    background-position: center;
    opacity: .05;
    transform: rotate(12deg);
  }
  .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    background: rgba(255, 255, 255, .82);
    border: 1px solid rgba(29, 90, 62, .16);
    color: var(--forest);
    font-weight: 700;
    font-size: .85rem;
    letter-spacing: .06em;
    padding: .4rem 1rem .4rem .6rem;
    border-radius: 999px;
  }
  .hero-eyebrow span {
    background: var(--lime);
    color: #24301f;
    padding: .15rem .5rem;
    border-radius: 999px;
    font-weight: 800;
    font-size: .75rem;
  }
  .cat-hero-title {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    font-weight: 800;
    line-height: 1.15;
    font-size: clamp(2.55rem, 5vw, 4.5rem);
    letter-spacing: -.015em;
    margin: 1rem 0 .2rem;
  }
  .cat-hero-sub {
    font-size: 1.14rem;
    line-height: 1.9;
    color: #405043;
    max-width: 560px;
    margin-bottom: 1.8rem;
  }
  .btn-main {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    background: var(--forest);
    color: #fff;
    padding: .65rem 1.5rem;
    border-radius: 999px;
    font-weight: 700;
    border: 0;
    cursor: pointer;
    transition: background .2s, box-shadow .2s, transform .2s;
    box-shadow: 0 10px 24px rgba(29, 90, 62, .2);
  }
  .btn-main:hover {
    background: #0a452e;
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(29, 90, 62, .25);
  }
  .btn-main:focus-visible {
    outline: 3px solid rgba(29, 90, 62, .4);
  }
  .btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    background: transparent;
    color: var(--forest);
    border: 1px solid rgba(29, 90, 62, .35);
    padding: .65rem 1.5rem;
    border-radius: 999px;
    font-weight: 700;
    transition: border-color .2s, background .2s, transform .2s;
  }
  .btn-ghost:hover {
    background: rgba(29, 90, 62, .08);
    transform: translateY(-1px);
    border-color: rgba(29, 90, 62, .6);
  }
  .hero-viewport {
    border-radius: 28px;
    overflow: hidden;
    background: rgba(255, 255, 255, .25);
    box-shadow: var(--shadow-lift);
  }
  .hero-media-main {
    position: relative;
  }
  .hero-media-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 260px;
  }
  .hero-note-card {
    position: absolute;
    left: 14px;
    bottom: 14px;
    background: rgba(23, 33, 27, .76);
    backdrop-filter: blur(12px);
    color: #fff;
    border-radius: 15px;
    padding: .7rem 1rem .8rem;
    max-width: 230px;
    border-left: 4px solid var(--lime);
    font-size: .9rem;
    line-height: 1.6;
  }
  .hero-note-card strong {
    color: var(--lime);
    font-size: .86rem;
  }
  .hero-meta-pills {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
    margin-top: 2rem;
  }
  .meta-pill {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    background: #fff;
    border: 1px solid rgba(29, 90, 62, .12);
    padding: .4rem .9rem;
    border-radius: 999px;
    font-size: .86rem;
    font-weight: 600;
    color: #47584b;
    box-shadow: 0 1px 2px rgba(23, 33, 27, .03);
  }
  .meta-pill b {
    color: var(--forest);
    font-size: 1.02rem;
    font-weight: 800;
  }
  @media (max-width: 640px) {
    .cat-hero-sub {
      font-size: 1rem;
      line-height: 1.75;
    }
    .hero-note-card {
      position: relative;
      left: 10px;
      bottom: 0;
      margin-top: 10px;
      max-width: none;
    }
    .cat-hero-title {
      font-size: 2.3rem;
    }
  }

  /* ===== section titles ===== */
  .section-kicker {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    font-size: .86rem;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--forest);
    border: 1px solid rgba(29, 90, 62, .2);
    background: rgba(255, 255, 255, .6);
    padding: .35rem 1rem;
    border-radius: 999px;
  }
  .section-h2 {
    font-size: clamp(1.9rem, 3.5vw, 3rem);
    line-height: 1.2;
    font-weight: 800;
    margin-top: 1rem;
    margin-bottom: 1rem;
    letter-spacing: -.01em;
  }
  .section-sub {
    color: #4d5a4f;
    font-size: 1.05rem;
    max-width: 760px;
    line-height: 1.9;
  }
  @media (max-width: 560px) {
    .section-h2 {
      font-size: 1.55rem;
    }
    .section-sub {
      font-size: .96rem;
    }
  }

  /* ==== editorial scene rows ==== */
  .editorial-section {
    background: #fff;
  }
  .editorial-item {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 3.5rem;
    align-items: center;
  }
  .editorial-item.reverse {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  }
  .visual-stage {
    position: relative;
    background: var(--cloud);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
  }
  .visual-stage img {
    width: 100%;
    height: 410px;
    object-fit: cover;
    transition: transform .6s ease;
  }
  .visual-stage:hover img {
    transform: scale(1.03);
  }
  .stage-label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(255, 255, 255, .9);
    border-radius: 999px;
    padding: .28rem .85rem;
    font-size: .84rem;
    font-weight: 700;
    color: var(--forest);
    line-height: 1.6;
    display: inline-flex;
    gap: .4rem;
    align-items: center;
  }
  .stage-source {
    position: absolute;
    right: 1rem;
    bottom: 1rem;
    background: rgba(15, 53, 36, .82);
    color: #fff;
    backdrop-filter: blur(8px);
    font-size: .8rem;
    padding: .25rem .8rem;
    border-radius: 999px;
    letter-spacing: .05em;
  }
  .scene-scroll-note {
    position: absolute;
    left: 1.3rem;
    bottom: -1.2rem;
    background: var(--lime);
    color: #17211b;
    border-radius: 14px;
    box-shadow: 0 6px 18px rgba(213, 242, 91, .18);
    padding: .45rem 1rem;
    font-weight: 700;
    font-size: .86rem;
    display: inline-flex;
    align-items: center;
    gap: .45rem;
  }
  .scene-num {
    font-family: "Bahnschrift", "DIN Alternate", sans-serif;
    color: var(--forest);
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: .02em;
    line-height: 1;
  }
  .editorial-copy .scene-title {
    font-size: 1.9rem;
    line-height: 1.3;
    font-weight: 800;
    margin: .45rem 0 .8rem;
  }
  .editorial-copy p {
    color: #3e4a42;
    color: #3D4C42;
    font-size: 1.04rem;
    line-height: 1.92;
    margin-bottom: 1rem;
  }
  .fit-chip {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    background: rgba(29, 90, 62, .1);
    color: var(--forest);
    font-size: .88rem;
    font-weight: 700;
    padding: .3rem .85rem;
    border-radius: 999px;
    margin: 0 .5rem .5rem 0;
  }
  .style-points {
    border-left: 3px solid var(--forest);
    padding: .2rem 0 .2rem 1.1rem;
    margin-top: 1rem;
    background: #FBFCF7;
    border-radius: 0 14px 14px 0;
  }
  .style-points li {
    font-size: .94rem;
    color: #516155;
    padding: .18rem 0;
    display: flex;
    gap: .5rem;
  }
  .style-points li::before {
    content: "—";
    color: var(--forest);
    font-weight: 700;
  }
  @media (max-width: 980px) {
    .editorial-item,
    .editorial-item.reverse {
      grid-template-columns: 1fr;
      gap: 2.4rem;
    }
    .editorial-item.reverse .visual-stage {
      order: 1;
    }
    .editorial-item.reverse .editorial-copy {
      order: 2;
    }
    .editorial-copy .scene-title {
      font-size: 1.5rem;
    }
  }
  @media (max-width: 520px) {
    .visual-stage img {
      height: 280px;
    }
    .scene-num {
      font-size: 1.4rem;
    }
    .scene-scroll-note {
      position: static;
      margin-top: 1rem;
      border-radius: 12px;
      display: inline-flex;
    }
    .style-points {
      padding-left: .8rem;
    }
  }

  /* guide strip */
  .guide-strip {
    background: var(--branddark);
    color: #fff;
    position: relative;
    overflow: hidden;
  }
  .guide-strip::before {
    content: "";
    position: absolute;
    width: 400px;
    height: 400px;
    right: -80px;
    top: -130px;
    border-radius: 50%;
    border: 40px solid rgba(213, 242, 91, .09);
  }
  .guide-strip::after {
    content: "B";
    position: absolute;
    bottom: -8%;
    left: 2%;
    font-family: "Bahnschrift", "Arial Narrow", sans-serif;
    font-size: clamp(9rem, 22vw, 17rem);
    font-weight: 900;
    color: rgba(255, 255, 255, .035);
    pointer-events: none;
    line-height: 1;
  }
  .guide-card-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.1rem;
    margin-top: 2rem;
    position: relative;
    z-index: 1;
  }
  .guide-step {
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 18px;
    padding: 1.4rem;
    backdrop-filter: blur(10px);
    transition: background .2s, transform .2s, border-color .2s;
  }
  .guide-step:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, .09);
    border-color: rgba(213, 242, 91, .35);
  }
  .guide-step b {
    font-family: "Bahnschrift", "Arial Narrow", sans-serif;
    display: inline-block;
    background: var(--lime);
    color: #112b1f;
    width: 30px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    border-radius: 10px;
    font-size: 1rem;
    margin-bottom: .9rem;
  }
  .guide-step h3 {
    font-size: 1.08rem;
    font-weight: 800;
    margin-bottom: .5rem;
    color: #fff;
  }
  .guide-step p {
    color: rgba(255, 255, 255, .78);
    font-size: .92rem;
    line-height: 1.75;
  }
  @media (max-width: 960px) {
    .guide-card-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  @media (max-width: 520px) {
    .guide-card-grid {
      grid-template-columns: 1fr;
      gap: .8rem;
    }
  }

  /* more scene track */
  .scene-track-shell {
    overflow: hidden;
  }
  .scene-track {
    display: flex;
    gap: 1.1rem;
    overflow-x: auto;
    padding: 1.2rem .2rem 1.8rem;
    scrollbar-width: thin;
    scrollbar-color: rgba(29, 90, 62, .35) rgba(255, 255, 255, .55);
    scroll-snap-type: x proximity;
  }
  .scene-track::-webkit-scrollbar {
    height: 6px;
  }
  .scene-track::-webkit-scrollbar-track {
    background: #E6EADF;
    border-radius: 999px;
  }
  .scene-track::-webkit-scrollbar-thumb {
    background: var(--forest);
    border-radius: 999px;
  }
  .scene-mini {
    flex: 0 0 250px;
    border-radius: 16px;
    background: #fff;
    padding: 0;
    border: 1px solid #e0e5db;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    scroll-snap-align: start;
    transition: transform .25s, box-shadow .25s;
  }
  .scene-mini:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lift);
  }
  .scene-mini img {
    width: 100%;
    height: 136px;
    object-fit: cover;
  }
  .scene-mini-body {
    padding: .8rem 1rem 1rem;
  }
  .scene-mini strong {
    font-size: 1rem;
    display: block;
    line-height: 1.5;
    color: var(--ink);
  }
  .scene-mini span {
    display: inline-block;
    margin-top: .4rem;
    background: var(--cloud);
    color: var(--forest);
    font-size: .8rem;
    padding: .15rem .6rem;
    border-radius: 999px;
  }

  /* faq */
  .faq-details {
    background: #fff;
    border: 1px solid #e0e5dc;
    border-radius: 16px;
    padding: .8rem 1.2rem;
    margin-bottom: .8rem;
    transition: border-color .2s, box-shadow .2s;
  }
  .faq-details[open] {
    border-color: rgba(29, 90, 62, .35);
    box-shadow: var(--shadow-card);
  }
  .faq-summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .65rem 0;
    font-weight: 700;
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--ink);
  }
  .faq-summary::-webkit-details-marker {
    display: none;
  }
  .faq-summary::marker {
    content: "";
  }
  .faq-icon {
    flex: 0 0 auto;
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(29, 90, 62, .1);
    color: var(--forest);
    border-radius: 9px;
    transition: transform .25s;
  }
  .faq-details[open] .faq-icon {
    transform: rotate(45deg);
    background: var(--lime);
    color: #24301f;
  }
  .faq-answer {
    padding: .1rem .1rem .85rem;
    color: #4e5a51;
    line-height: 1.85;
  }

  /* CTA */
  .site-cta {
    background: var(--branddark);
    border-radius: 24px;
    overflow: hidden;
    color: #fff;
    position: relative;
  }
  .site-cta::after {
    content: "";
    position: absolute;
    right: -30px;
    bottom: -70px;
    width: 260px;
    height: 260px;
    background: rgba(213, 242, 91, .09);
    border-radius: 50%;
  }
  .site-cta h2 {
    font-size: 2.1rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: .8rem;
  }
  .site-cta p {
    color: rgba(255, 255, 255, .82);
    font-size: 1.04rem;
    max-width: 560px;
  }
  .subscribe-form {
    display: flex;
    gap: .6rem;
    padding: .45rem;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 999px;
    max-width: 520px;
  }
  .subscribe-form input {
    flex: 1;
    min-width: 0;
    background: transparent;
    border: 0;
    outline: none;
    color: #fff;
    padding: .5rem 1rem;
    font-size: .95rem;
  }
  .subscribe-form input::placeholder {
    color: rgba(255, 255, 255, .6);
  }
  .subscribe-form button {
    background: var(--lime);
    color: #17211b;
    font-weight: 800;
    border: 0;
    border-radius: 999px;
    padding: .65rem 1.4rem;
    cursor: pointer;
    transition: background .2s;
    white-space: nowrap;
  }
  .subscribe-form button:hover {
    background: #C8E84E;
  }
  .cta-link {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    color: rgba(255, 255, 255, .9);
    text-decoration: underline;
    text-underline-offset: 4px;
    font-weight: 600;
  }
  .cta-link:hover {
    color: var(--lime);
  }
  @media (max-width: 720px) {
    .subscribe-form {
      flex-wrap: wrap;
      padding: .6rem;
      border-radius: 18px;
    }
    .subscribe-form input {
      width: 100%;
      background: rgba(255, 255, 255, .15);
      border-radius: 999px;
      margin-bottom: .4rem;
      padding: .6rem 1rem;
    }
    .subscribe-form button {
      width: 100%;
    }
  }

  /* footer */
  .footer {
    background: var(--branddark);
    color: rgba(255, 255, 255, .8);
    position: relative;
    overflow: hidden;
    margin-top: 5rem;
  }
  .footer::before {
    content: "";
    position: absolute;
    top: -120px;
    left: -80px;
    width: 300px;
    height: 300px;
    background: rgba(213, 242, 91, .06);
    border-radius: 50%;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 2.8rem;
    padding: 3.5rem 0 2.5rem;
    position: relative;
  }
  .footer-logo {
    display: flex;
    gap: .8rem;
    align-items: center;
  }
  .footer-logo .logo-mark {
    background: rgba(255, 255, 255, .12);
  }
  .footer-brand h2 {
    font-size: 1.1rem;
    color: #fff;
    margin: 1.2rem 0 .6rem;
    font-weight: 800;
  }
  .footer-brand p {
    font-size: .95rem;
    line-height: 1.9;
    color: rgba(255, 255, 255, .66);
    max-width: 340px;
  }
  .footer-col {
    display: flex;
    flex-direction: column;
    gap: .6rem;
  }
  .footer-head {
    font-size: .94rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: .4rem;
  }
  .footer-col ul {
    display: grid;
    gap: .45rem;
    margin: 0;
    padding: 0;
    list-style: none;
  }
  .footer-col a {
    display: inline-block;
    color: rgba(255, 255, 255, .7);
    font-size: .95rem;
    padding: .1rem 0;
    transition: color .2s, transform .2s;
  }
  .footer-col a:hover {
    color: var(--lime);
    transform: translateX(3px);
  }
  .footer-contact li {
    display: flex;
    gap: .5rem;
    align-items: flex-start;
    font-size: .94rem;
    color: rgba(255, 255, 255, .7);
    padding: .1rem 0;
    line-height: 1.6;
  }
  .footer-contact svg {
    width: 16px;
    height: 16px;
    flex: 0 0 auto;
    color: var(--lime);
    margin-top: .2rem;
  }
  .domain {
    color: rgba(255, 255, 255, .82);
  }
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding: 1rem 0 1.5rem;
    position: relative;
    text-align: center;
    font-size: .9rem;
    color: rgba(255, 255, 255, .56);
    line-height: 1.7;
  }
  @media (max-width: 1040px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 2rem;
    }
  }
  @media (max-width: 560px) {
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 1.8rem;
      padding-top: 2.5rem;
    }
    .footer-bottom {
      font-size: .8rem;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      scroll-behavior: auto !important;
      transition-duration: .01ms !important;
      animation-duration: .01ms !important;
    }
  }

/* roulang page: category3 */
:root {
    --forest: #1D5A3E;
    --deep: #0F3524;
    --lime: #D5F25B;
    --lime-bg: #EEF7BF;
    --paper: #F6F4ED;
    --alt-bg: #EBEFE4;
    --ink: #17211B;
    --muted: #4D5A4F;
    --border: #D9DED5;
    --danger: #F26B3A;
    --radius-card: 20px;
    --shadow-soft: 0 1px 2px rgba(23,33,27,.05), 0 8px 24px rgba(23,33,27,.05);
    --shadow-hover: 0 4px 12px rgba(29,90,62,.12), 0 18px 36px rgba(23,33,27,.08);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
    background: var(--paper);
    color: var(--ink);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }

  img {
    display: block;
    max-width: 100%;
    border: 0;
  }

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

  button,
  input,
  textarea,
  select {
    font: inherit;
  }

  button {
    cursor: pointer;
  }

  svg {
    vertical-align: middle;
  }

  ::selection {
    background: var(--lime);
    color: var(--deep);
  }

  .container {
    max-width: 1320px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
  }

  .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
    padding: 0;
    margin: -1px;
    overflow: hidden;
  }

  .section-pad {
    padding: 96px 0;
  }

  @media (max-width: 768px) {
    .section-pad {
      padding: 64px 0;
    }
  }

  .site-header {
    position: relative;
    z-index: 50;
    background: linear-gradient(180deg, #ffffff 0%, #fdfaf3 100%);
    border-bottom: 1px solid var(--border);
  }

  .header-top {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    padding-bottom: 10px;
  }

  .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    max-width: 340px;
  }

  .brand-mark {
    width: 48px;
    height: 48px;
    border-radius: 15px;
    background: var(--deep);
    color: #ffffff;
    display: grid;
    place-items: center;
    font-family: "Bahnschrift", "DIN Alternate", sans-serif;
    font-weight: 900;
    font-size: 25px;
    letter-spacing: -0.05em;
    box-shadow: inset 0 2px 0 rgba(255, 255, 255, .12);
  }

  .brand-name {
    display: block;
    font-size: 22px;
    line-height: 1.2;
    font-weight: 800;
    color: var(--deep);
    letter-spacing: .01em;
  }

  .brand-tag {
    display: block;
    font-family: "Bahnschrift", "DIN Alternate", "Arial Narrow", sans-serif;
    font-size: 10px;
    letter-spacing: .24em;
    color: var(--muted);
    text-transform: uppercase;
    margin-top: 3px;
  }

  .header-search {
    flex: 1;
    display: flex;
    align-items: center;
    max-width: 780px;
    margin: 0 auto;
    height: 52px;
    padding: 5px 5px 5px 20px;
    background: #ffffff;
    border: 1px solid #CBD6C4;
    border-radius: 999px;
    box-shadow: 0 1px 2px rgba(23,33,27,.04);
    transition: border-color .25s, box-shadow .25s;
  }

  .header-search:focus-within {
    border-color: var(--forest);
    box-shadow: 0 0 0 4px rgba(29, 90, 62, .13);
  }

  .search-icon {
    color: var(--forest);
    margin-right: 10px;
    flex-shrink: 0;
  }

  .header-search input {
    flex: 1;
    min-width: 0;
    border: 0;
    outline: 0;
    background: transparent;
    font-size: 15px;
    color: var(--ink);
  }

  .header-search input::placeholder {
    color: #7C867E;
  }

  .search-btn {
    height: 42px;
    padding: 0 22px;
    border: 0;
    border-radius: 999px;
    background: var(--lime);
    color: #203007;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: .08em;
    transition: background .25s, transform .2s, box-shadow .2s;
  }

  .search-btn:hover {
    background: #c5e44a;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(213, 242, 91, .36);
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-shrink: 0;
    margin-left: 4px;
  }

  .header-actions a {
    font-size: 14px;
    font-weight: 600;
    color: #32513F;
    transition: color .2s;
  }

  .header-actions a:hover {
    color: var(--forest);
  }

  .nav-toggle {
    display: none;
    width: 46px;
    height: 46px;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid var(--border);
    background: #fff;
    border-radius: 14px;
    padding: 0;
  }

  .nav-toggle span,
  .nav-toggle span::before,
  .nav-toggle span::after {
    content: "";
    width: 20px;
    height: 2px;
    background: var(--deep);
    border-radius: 2px;
    display: block;
    position: relative;
    transition: transform .2s;
  }

  .nav-toggle span::before {
    position: absolute;
    top: -6px;
  }

  .nav-toggle span::after {
    position: absolute;
    top: 6px;
  }

  .site-nav {
    border-top: 1px solid #EEF0E9;
    background: rgba(255, 255, 255, .82);
  }

  .nav-inner {
    display: flex;
    align-items: center;
    gap: 24px;
  }

  .nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 4px;
    flex: 1;
  }

  .nav-list li {
    margin: 0;
  }

  .nav-link {
    position: relative;
    display: block;
    padding: 14px 18px 11px;
    font-size: 16px;
    font-weight: 650;
    color: #2C3B31;
    white-space: nowrap;
    transition: color .2s;
  }

  .nav-link::after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 0;
    height: 4px;
    background: transparent;
    border-radius: 999px 999px 0 0;
    transition: background .2s;
  }

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

  .nav-link.is-active {
    color: var(--deep);
    font-weight: 800;
  }

  .nav-link.is-active::after,
  .nav-link:hover::after {
    background: var(--lime);
  }

  .nav-extra {
    font-size: 13px;
    color: var(--muted);
    white-space: nowrap;
    border-left: 1px solid #E5E9DF;
    padding-left: 20px;
  }

  .nav-extra strong {
    color: var(--deep);
    font-weight: 800;
  }

  @media (max-width: 1023.98px) {
    .header-top {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 12px;
    }

    .brand {
      max-width: 100%;
    }

    .header-search {
      grid-column: 1 / -1;
      grid-row: 2;
      order: 3;
      margin: 0;
      max-width: none;
    }

    .header-actions {
      display: none;
    }

    .nav-toggle {
      display: inline-flex;
      justify-self: end;
    }

    .site-nav {
      display: none;
    }

    .site-nav.open {
      display: block;
    }

    .nav-inner {
      flex-direction: column;
      align-items: stretch;
      gap: 0;
      padding-top: 6px;
      padding-bottom: 14px;
    }

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

    .nav-list li {
      border-top: 1px solid #F0F1EB;
    }

    .nav-link {
      padding: 14px 6px;
    }

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

    .nav-link.is-active {
      color: var(--forest);
      background: linear-gradient(90deg, rgba(213, 242, 91, .18), transparent);
      border-radius: 10px;
    }

    .nav-extra {
      border-left: 0;
      padding-left: 0;
      padding-top: 16px;
      font-size: 13px;
    }
  }

  @media (max-width: 640px) {
    .brand-name {
      font-size: 18px;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 13px;
      font-size: 21px;
    }

    .brand-tag {
      font-size: 9px;
    }

    .search-btn {
      width: 76px;
      padding: 0 12px;
    }

    .header-search {
      height: 48px;
      padding-left: 14px;
    }
  }

  .doc-hero {
    position: relative;
    color: #ffffff;
    background-color: var(--deep);
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center 30%;
    padding: 110px 0 96px;
  }

  .doc-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(8, 35, 25, .93) 0%, rgba(15, 53, 36, .82) 48%, rgba(23, 80, 53, .48) 100%);
  }

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

  .breadcrumb-line {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: rgba(255, 255, 255, .64);
    margin-bottom: 20px;
  }

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

  .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: "Bahnschrift", "DIN Alternate", "Arial Narrow", sans-serif;
    font-size: 14px;
    letter-spacing: .16em;
    color: var(--lime);
    margin-bottom: 18px;
  }

  .hero-eyebrow::before {
    content: "";
    width: 34px;
    height: 2px;
    background: var(--lime);
    display: inline-block;
  }

  .hero-title {
    max-width: 880px;
    font-size: clamp(2.6rem, 5vw, 4.1rem);
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: .01em;
    margin: 0 0 20px;
    color: #ffffff;
  }

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

  .hero-lead {
    max-width: 720px;
    font-size: clamp(1.05rem, 1.7vw, 1.3rem);
    line-height: 1.75;
    color: rgba(255, 255, 255, .9);
    margin: 0 0 26px;
  }

  .hero-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
  }

  .hero-pill {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 4px 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .22);
    font-size: 13px;
    color: #fff;
    backdrop-filter: blur(4px);
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 8px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 50px;
    padding: 0 28px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 15px;
    border: 1px solid transparent;
    transition: transform .2s, box-shadow .2s, background .2s, color .2s, border-color .2s;
  }

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

  .btn-lime {
    background: var(--lime);
    color: #223409;
    box-shadow: 0 6px 18px rgba(213, 242, 91, .18);
  }

  .btn-lime:hover {
    background: #c7ea43;
    box-shadow: 0 10px 28px rgba(213, 242, 91, .26);
  }

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

  .btn-white:hover {
    background: #fff;
    color: var(--forest);
    box-shadow: 0 8px 22px rgba(15, 53, 36, .18);
  }

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

  .btn-primary:hover {
    background: var(--deep);
    box-shadow: 0 10px 26px rgba(15, 53, 36, .24);
  }

  .btn-ghost {
    background: transparent;
    color: #ffffff;
    border-color: rgba(255, 255, 255, .62);
  }

  .btn-ghost:hover {
    background: rgba(255, 255, 255, .12);
    border-color: #ffffff;
  }

  @media (max-width: 640px) {
    .doc-hero {
      padding: 76px 0 60px;
    }

    .hero-title {
      font-size: clamp(2rem, 9vw, 2.6rem);
    }

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

    .btn {
      width: 100%;
    }
  }

  .toc-section {
    background: var(--alt-bg);
    border-bottom: 1px solid #E0E6D6;
  }

  .toc-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
  }

  .toc-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 22px 18px;
    min-height: 78px;
    color: var(--ink);
    transition: background .25s, transform .2s;
  }

  .toc-item:hover {
    background: rgba(213, 242, 91, .22);
  }

  .toc-num {
    font-family: "Bahnschrift", "DIN Alternate", "Arial Narrow", sans-serif;
    font-weight: 800;
    font-size: 14px;
    color: var(--deep);
    background: var(--lime);
    border-radius: 8px;
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    flex-shrink: 0;
  }

  .toc-name {
    font-size: 16px;
    font-weight: 700;
  }

  .toc-sub {
    display: block;
    font-size: 13px;
    color: var(--muted);
    font-weight: 400;
  }

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

  @media (max-width: 520px) {
    .toc-strip {
      grid-template-columns: 1fr 1fr;
    }

    .toc-item {
      padding: 16px 12px;
      min-height: 68px;
    }
  }

  .doc-wrap {
    max-width: 1040px;
    margin: 0 auto;
  }

  .doc-article {
    max-width: 800px;
    margin: 0 auto;
  }

  .doc-article h2 {
    font-size: clamp(1.8rem, 3vw, 2.35rem);
    line-height: 1.25;
    font-weight: 800;
    color: var(--deep);
    margin: 68px 0 18px;
    padding-left: 18px;
    border-left: 4px solid var(--forest);
  }

  .doc-article h2 .num {
    display: inline-block;
    font-family: "Bahnschrift", "DIN Alternate", "Arial Narrow", sans-serif;
    font-size: .68em;
    color: var(--forest);
    background: var(--lime);
    padding: 3px 12px;
    border-radius: 999px;
    margin-right: 10px;
    vertical-align: middle;
  }

  .doc-article .lead-text {
    font-size: 17px;
    line-height: 1.9;
    margin: 0 0 28px;
    color: #394539;
  }

  .doc-article p {
    margin: 0 0 20px;
    color: #344237;
  }

  .quick-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin: 28px 0 36px;
  }

  .term-card {
    background: var(--paper);
    border: 1px solid #E0E6D5;
    border-radius: var(--radius-card);
    padding: 26px 22px;
    box-shadow: var(--shadow-soft);
    transition: transform .2s, box-shadow .25s, border-color .25s;
  }

  .term-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: #C3D7B6;
  }

  .term-card strong {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    color: var(--deep);
    margin-bottom: 8px;
  }

  .term-card strong::before {
    content: "";
    width: 10px;
    height: 10px;
    background: var(--lime);
    border-radius: 3px;
    transform: rotate(45deg);
  }

  .term-card p {
    margin: 0;
    font-size: 14.5px;
    color: var(--muted);
    line-height: 1.75;
  }

  .deep-note {
    position: relative;
    overflow: hidden;
    background: var(--deep);
    border-radius: 26px;
    color: rgba(255, 255, 255, .88);
    padding: 34px 34px 30px;
    margin: 36px 0 44px;
  }

  .deep-note::after {
    content: "FG";
    position: absolute;
    right: -12px;
    bottom: -24px;
    font-family: "Bahnschrift", "DIN Alternate", sans-serif;
    font-weight: 900;
    font-size: 140px;
    line-height: 1;
    color: rgba(255, 255, 255, .05);
    pointer-events: none;
  }

  .deep-note h3 {
    font-size: 18px;
    margin: 0 0 12px;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .deep-note h3::before {
    content: "";
    width: 20px;
    height: 5px;
    background: var(--lime);
    border-radius: 999px;
    display: inline-block;
  }

  .deep-note p {
    position: relative;
    z-index: 1;
    margin: 0 0 14px;
    font-size: 15.5px;
    line-height: 1.85;
    color: rgba(255, 255, 255, .82);
  }

  .doc-figure {
    margin: 40px 0 48px;
  }

  .doc-figure img {
    width: 100%;
    max-height: 520px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
  }

  .figure-caption {
    display: inline-flex;
    margin-top: 12px;
    padding: 6px 14px;
    background: var(--alt-bg);
    border-radius: 999px;
    font-size: 13px;
    color: var(--muted);
  }

  @media (max-width: 700px) {
    .quick-grid {
      grid-template-columns: 1fr;
    }

    .deep-note {
      padding: 26px 22px;
    }
  }

  .scene-list {
    list-style: none;
    margin: 32px 0 40px;
    padding: 0;
    display: grid;
    gap: 16px;
  }

  .scene-row {
    background: #ffffff;
    border: 1px solid #E0E6D6;
    border-radius: 18px;
    padding: 0;
    overflow: hidden;
    display: grid;
    grid-template-columns: 210px 1fr;
    box-shadow: var(--shadow-soft);
    transition: border-color .25s, transform .2s;
  }

  .scene-row:hover {
    border-color: #A9C89F;
    transform: translateX(4px);
  }

  .scene-side {
    background: var(--alt-bg);
    padding: 20px 18px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
  }

  .scene-tag {
    display: inline-block;
    width: fit-content;
    border-radius: 999px;
    background: #D4E4C2;
    color: #254B2E;
    font-size: 12.5px;
    font-weight: 700;
    padding: 3px 12px;
  }

  .scene-side strong {
    font-size: 20px;
    color: var(--deep);
    line-height: 1.3;
  }

  .scene-body {
    padding: 24px;
    font-size: 15px;
    line-height: 1.8;
    color: #39483E;
  }

  .scene-body p {
    margin: 0;
  }

  @media (max-width: 700px) {
    .scene-row {
      grid-template-columns: 1fr;
    }

    .scene-side {
      padding: 16px 20px;
    }

    .scene-body {
      padding: 18px 20px;
    }
  }

  .check-col {
    background: #ffffff;
    border: 1px solid #E3E9D9;
    border-radius: 22px;
    padding: 22px 24px 16px;
    margin: 26px 0 34px;
    box-shadow: var(--shadow-soft);
  }

  .check-title {
    font-weight: 800;
    font-size: 18px;
    color: var(--deep);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .check-title::before {
    content: "";
    width: 26px;
    height: 26px;
    background: var(--lime);
    border-radius: 9px;
    flex-shrink: 0;
  }

  .check-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 18px;
  }

  .check-list li {
    position: relative;
    padding: 12px 4px 12px 34px;
    font-size: 15px;
    border-top: 1px solid #F0F1EC;
    color: #334238;
    line-height: 1.7;
  }

  .check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 19px;
    width: 20px;
    height: 20px;
    background: var(--lime);
    border-radius: 6px;
  }

  .check-list li::after {
    content: "";
    position: absolute;
    left: 4px;
    top: 26px;
    width: 12px;
    height: 5px;
    border-left: 2px solid var(--deep);
    border-bottom: 2px solid var(--deep);
    transform: rotate(-45deg);
  }

  @media (max-width: 620px) {
    .check-list {
      grid-template-columns: 1fr;
    }
  }

  .step-flow {
    list-style: none;
    counter-reset: step;
    margin: 32px 0 36px;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .flow-step {
    counter-increment: step;
    background: #ffffff;
    border-top: 5px solid var(--forest);
    border-radius: 18px;
    padding: 26px 22px;
    box-shadow: var(--shadow-soft);
    position: relative;
  }

  .flow-step::before {
    content: "0" counter(step);
    font-family: "Bahnschrift", "DIN Alternate", "Arial Narrow", sans-serif;
    font-weight: 800;
    font-size: 32px;
    color: var(--deep);
    opacity: .18;
    display: block;
    margin-bottom: 10px;
    line-height: 1;
  }

  .flow-step strong {
    display: block;
    font-size: 18px;
    color: var(--deep);
    margin-bottom: 10px;
  }

  .flow-step p {
    margin: 0;
    font-size: 14.5px;
    color: var(--muted);
  }

  @media (max-width: 700px) {
    .step-flow {
      grid-template-columns: 1fr;
    }
  }

  .single-cta {
    margin-top: 60px;
  }

  .cta-card {
    position: relative;
    border-radius: 28px;
    background: linear-gradient(120deg, var(--deep), var(--forest));
    color: #fff;
    padding: 48px 44px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    box-shadow: 0 20px 44px rgba(15, 53, 36, .2);
  }

  .cta-card::after {
    content: "B";
    position: absolute;
    right: 20px;
    bottom: -52px;
    font-family: "Bahnschrift", "DIN Alternate", sans-serif;
    font-weight: 900;
    font-size: 220px;
    color: rgba(255, 255, 255, .05);
    line-height: 1;
    pointer-events: none;
  }

  .cta-card h2 {
    position: relative;
    z-index: 1;
    font-size: clamp(1.7rem, 3vw, 2.4rem);
    margin: 0 0 8px;
    color: #fff;
    line-height: 1.3;
  }

  .cta-card p {
    position: relative;
    z-index: 1;
    margin: 0;
    color: rgba(255, 255, 255, .76);
    max-width: 600px;
  }

  .cta-card .btn {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
  }

  @media (max-width: 768px) {
    .cta-card {
      flex-direction: column;
      align-items: stretch;
      text-align: center;
      padding: 38px 24px;
    }

    .cta-card p {
      margin-left: auto;
      margin-right: auto;
    }

    .cta-card .btn {
      align-self: center;
    }
  }

  .advice-box {
    background: var(--alt-bg);
    border: 1px solid #E2E8D8;
    border-radius: 20px;
    padding: 24px 26px;
    margin: 30px 0 26px;
    display: flex;
    gap: 16px;
  }

  .advice-box .mark {
    font-weight: 900;
    font-family: "Bahnschrift", "DIN Alternate", sans-serif;
    font-size: 24px;
    color: var(--forest);
    background: var(--lime);
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    flex-shrink: 0;
  }

  .advice-box p {
    margin: 0;
    font-size: 15px;
    color: #334238;
  }

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

  .faq-head {
    text-align: center;
    margin-bottom: 48px;
  }

  .faq-head .kicker {
    font-family: "Bahnschrift", "DIN Alternate", "Arial Narrow", sans-serif;
    color: var(--forest);
    letter-spacing: .14em;
    font-size: 14px;
  }

  .faq-head h2 {
    font-size: clamp(1.9rem, 3.4vw, 2.8rem);
    color: var(--deep);
    margin: 6px 0 10px;
  }

  .faq-list {
    max-width: 820px;
    margin: 0 auto;
  }

  .faq-item {
    background: #ffffff;
    border: 1px solid #E2E7DA;
    border-radius: 18px;
    margin-bottom: 12px;
    padding: 0 24px;
    overflow: hidden;
    transition: border-color .2s, box-shadow .2s;
  }

  .faq-item:hover {
    border-color: #B9D0AB;
    box-shadow: var(--shadow-soft);
  }

  .faq-item summary {
    position: relative;
    list-style: none;
    display: block;
    padding: 20px 42px 20px 0;
    font-size: 16.5px;
    font-weight: 700;
    color: var(--deep);
    line-height: 1.6;
    cursor: pointer;
  }

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

  .faq-item summary::after {
    content: "+";
    position: absolute;
    right: 2px;
    top: 50%;
    width: 28px;
    height: 28px;
    margin-top: -14px;
    display: grid;
    place-items: center;
    background: var(--lime);
    color: var(--deep);
    border-radius: 50%;
    font-weight: 800;
    font-size: 18px;
    line-height: 1;
    transition: transform .25s;
  }

  .faq-item[open] summary::after {
    transform: rotate(45deg);
  }

  .faq-item.answer {
    padding: 0 0 20px;
    color: #465247;
    font-size: 15px;
    line-height: 1.85;
    max-width: 740px;
  }

  .faq-item .faq-answer {
    padding: 0 0 20px;
    color: #465247;
    font-size: 15px;
    line-height: 1.85;
    max-width: 740px;
  }

  .footer {
    background: var(--deep);
    color: #ffffff;
    margin-top: 0;
    border-top: 4px solid var(--forest);
  }

  .footer-top {
    padding: 84px 0 56px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 42px;
  }

  .footer h2 {
    font-size: 22px;
    line-height: 1.35;
    margin: 22px 0 10px;
    color: #ffffff;
    font-weight: 800;
  }

  .footer p {
    color: rgba(255, 255, 255, .68);
    font-size: 14.5px;
    margin: 0;
    line-height: 1.8;
  }

  .footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .footer-logo .logo-mark {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: var(--lime);
    color: var(--deep);
    font-family: "Bahnschrift", "DIN Alternate", sans-serif;
    font-weight: 900;
    font-size: 23px;
    display: grid;
    place-items: center;
  }

  .footer-head {
    display: block;
    font-size: 15px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 22px;
    letter-spacing: .04em;
  }

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

  .footer li {
    color: rgba(255, 255, 255, .68);
    font-size: 14.5px;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .footer ul a {
    color: rgba(255, 255, 255, .7);
    transition: color .2s;
  }

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

  .footer .domain {
    color: rgba(255, 255, 255, .55);
    word-break: break-all;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .12);
    padding: 24px 0 36px;
  }

  .footer-bottom .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px 20px;
    color: rgba(255, 255, 255, .46);
    font-size: 13px;
  }

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

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

    .footer-top {
      padding: 60px 0 36px;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      transition-duration: .01ms !important;
      animation-duration: .01ms !important;
      scroll-behavior: auto !important;
    }
  }

/* roulang page: category4 */
:root {
      --forest: #1D5A3E;
      --forest-deep: #0F3524;
      --lime: #D5F25B;
      --lime-ink: #1F3B1D;
      --paper: #F6F4ED;
      --mist: #EBEFE4;
      --ink: #17211B;
      --muted: #4D5A4F;
      --line: #D9DED5;
      --orange: #F26B3A;
      --radius: 20px;
      --radius-sm: 12px;
      --shadow: 0 1px 2px rgba(23, 33, 27, .05), 0 8px 24px rgba(23, 33, 27, .05);
      --shadow-hover: 0 4px 12px rgba(29, 90, 62, .12), 0 18px 36px rgba(23, 33, 27, .08);
      --space-section: clamp(64px, 8vw, 112px);
      --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
      --font-display: "Bahnschrift", "DIN Alternate", "Arial Narrow", var(--font-body);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
      html { scroll-behavior: auto; }
    }
    body {
      font-family: var(--font-body);
      background: var(--paper);
      color: var(--ink);
      font-size: 16px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    h1, h2, h3, h4 { line-height: 1.25; font-weight: 800; color: var(--ink); }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    input, button, textarea, select { font: inherit; }
    button { cursor: pointer; }
    .container { max-width: 1320px; margin-inline: auto; padding-inline: 24px; }
    @media (max-width: 640px) { .container { padding-inline: 20px; } }

    /* buttons */
    .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 12px; padding: 12px 24px; font-weight: 700; font-size: 15px; line-height: 1; border: 0; transition: transform .2s, box-shadow .2s, background .2s; min-height: 48px; }
    .btn-primary { background: var(--forest); color: #fff; box-shadow: 0 4px 14px rgba(29, 90, 62, .2); }
    .btn-primary:hover { background: var(--forest-deep); transform: translateY(-1px); box-shadow: 0 10px 24px rgba(29, 90, 62, .28); }
    .btn-lime { background: var(--lime); color: var(--lime-ink); box-shadow: 0 4px 12px rgba(213, 242, 91, .25); }
    .btn-lime:hover { background: #c7e952; transform: translateY(-1px); box-shadow: 0 10px 22px rgba(213, 242, 91, .3); }
    .btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255, 255, 255, .5); }
    .btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.1); }
    a.btn { text-decoration: none; }
    .btn:focus-visible, .nav-toggle:focus-visible, .header-search input:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, summary:focus-visible { outline: none; box-shadow: 0 0 0 4px rgba(29, 90, 62, .28); }

    /* header */
    .site-header { background: linear-gradient(180deg, #fff 0%, var(--paper) 100%); border-bottom: 1px solid var(--line); position: relative; z-index: 40; }
    .header-top { display: flex; align-items: center; gap: 24px; padding-top: 18px; padding-bottom: 18px; flex-wrap: wrap; }
    .brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
    .brand-mark { width: 48px; height: 48px; border-radius: 15px; background: var(--forest); display: grid; place-items: center; color: var(--lime); font-family: var(--font-display); font-weight: 800; font-size: 18px; letter-spacing: .02em; }
    .brand-text { display: flex; flex-direction: column; }
    .brand-name { font-size: 19px; font-weight: 800; letter-spacing: .01em; line-height: 1.2; color: var(--ink); }
    .brand-sub { font-size: 10px; color: var(--muted); letter-spacing: .11em; text-transform: uppercase; margin-top: 2px; }
    .header-search { display: flex; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 999px; box-shadow: inset 0 1px 3px rgba(23,33,27,.04); padding: 7px 8px 7px 18px; flex: 1 1 380px; max-width: 720px; min-width: 240px; transition: box-shadow .2s, border .2s; }
    .header-search:focus-within { border-color: rgba(29,90,62,.55); box-shadow: 0 0 0 3px rgba(29,90,62,.15); }
    .header-search svg { width: 18px; height: 18px; stroke: var(--muted); flex-shrink: 0; }
    .header-search input { border: 0; outline: 0; background: transparent; padding: 5px 10px; color: var(--ink); font-size: 15px; width: 100%; }
    .header-search button { border: 0; background: var(--forest); color: #fff; padding: 10px 20px; border-radius: 999px; font-weight: 700; font-size: 14px; line-height: 1; transition: background .2s; white-space: nowrap; }
    .header-search button:hover { background: var(--forest-deep); }
    .header-actions { display: flex; gap: 18px; margin-left: auto; flex-shrink: 0; }
    .header-action { font-size: 14px; color: var(--muted); display: inline-flex; align-items: center; gap: 6px; transition: color .2s; padding: 6px 0; }
    .header-action:hover { color: var(--forest); }
    .nav-toggle { display: none; background: transparent; border: 1px solid var(--line); width: 46px; height: 46px; border-radius: 12px; align-items: center; justify-content: center; color: var(--forest); }
    .nav-toggle:hover { background: var(--mist); }
    .site-nav { border-top: 1px solid rgba(215, 220, 210, .9); }
    .nav-inner { display: flex; align-items: center; justify-content: space-between; }
    .nav-list { display: flex; list-style: none; gap: 4px; margin: 0; }
    .nav-list li { position: relative; }
    .nav-link { display: inline-flex; padding: 14px 16px; font-weight: 700; font-size: 15px; color: var(--muted); transition: color .2s; line-height: 1.3; }
    .nav-link:hover { color: var(--ink); }
    .nav-link.is-active { color: var(--ink); }
    .nav-link.is-active::after { content: ""; position: absolute; left: 16px; right: 16px; bottom: 0; height: 4px; border-radius: 4px 4px 0 0; background: var(--lime); }
    .nav-extra { font-size: 13px; color: var(--muted); }
    .nav-extra strong { color: var(--forest); }
    @media (max-width: 1024px) {
      .header-top { gap: 18px; }
      .header-search { order: 3; flex-basis: 100%; max-width: none; }
      .nav-inner { flex-wrap: wrap; }
    }
    @media (max-width: 768px) {
      .site-nav { position: relative; }
      .nav-toggle { display: inline-flex; }
      .header-actions { display: none; }
      .nav-inner { align-items: stretch; padding-block: 8px; }
      .nav-list { display: none; flex-direction: column; width: 100%; }
      .nav-list.is-open { display: flex; }
      .nav-link, .nav-link.is-active { width: 100%; justify-content: space-between; padding: 13px 4px; border-bottom: 1px solid #f0eee8; }
      .nav-link.is-active::after { left: 0; right: auto; top: 10px; bottom: 10px; width: 4px; height: auto; border-radius: 0 4px 4px 0; }
      .nav-extra { display: none; }
      .header-search button { padding: 8px 14px; }
    }
    @media (max-width: 520px) {
      .brand-name { font-size: 17px; }
      .brand mark { font-size: 21px; }
      .header-search { border-radius: 18px; }
      .header-search svg { display: none; }
    }

    /* hero */
    .hero { position: relative; color: #fff; overflow: hidden; }
    .hero-bg { position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.webp'); background-size: cover; background-position: center; }
    .hero-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(15,53,36,.94) 0%, rgba(15,53,36,.78) 45%, rgba(15,53,36,.25) 100%); }
    .hero-inner { position: relative; padding-block: clamp(76px, 10vw, 140px); }
    .hero-title { font-size: clamp(40px, 6vw, 70px); color: #fff; max-width: 980px; line-height: 1.08; letter-spacing: -.01em; }
    .hero-title span { color: var(--lime); }
    .hero-sub { margin-top: 24px; max-width: 760px; color: rgba(255,255,255,.86); font-size: 17px; line-height: 1.8; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
    .hero-stats { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 52px; }
    .hero-stat { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); backdrop-filter: blur(4px); border-radius: 999px; padding: 10px 18px; font-size: 14px; }
    .hero-stat b { color: var(--lime); font-weight: 800; margin-right: 6px; }
    @media (max-width: 640px) {
      .hero-title { font-size: 34px; }
      .hero-sub { font-size: 15px; }
      .hero-stats { gap: 10px; margin-top: 36px; }
      .hero-stat { width: calc(50% - 6px); text-align: center; }
    }

    /* Section general */
    .section { padding-block: var(--space-section); }
    .section-alt { background: var(--mist); }
    .section-head { max-width: 860px; margin-bottom: 48px; }
    .section-head h2 { font-size: clamp(30px, 4vw, 44px); margin-top: 10px; }
    .section-head .head-sub { color: var(--muted); font-size: 16px; margin-top: 14px; line-height: 1.8; }
    .kicker { font-family: var(--font-display); font-weight: 700; letter-spacing: .14em; text-transform: uppercase; font-size: 13px; color: var(--forest); display: inline-flex; align-items: center; gap: 10px; }
    .kicker::before { content: ""; width: 8px; height: 8px; background: var(--lime); border-radius: 2px; }
    .text-center { text-align: center; }
    .section-head.center { margin-inline: auto; text-align: center; }
    .section-head.center .kicker { justify-content: center; }
    .section-head.center .kicker::after { display: none; }

    /* service list */
    .service-wrap { background: #fff; border: 1px solid #ecefea; border-radius: 24px; overflow: hidden; box-shadow: var(--shadow); }
    .service-list { list-style: none; margin: 0; }
    .service-item { display: grid; grid-template-columns: auto auto 1fr auto; align-items: center; gap: 22px; padding: 30px 34px; text-decoration: none; border-bottom: 1px solid #eef0ea; transition: background .2s, transform .2s; }
    .service-item:last-child { border-bottom: 0; }
    .service-item:hover { background: var(--mist); transform: translateX(4px); }
    .service-index { font-family: var(--font-display); font-size: 14px; color: var(--muted); font-weight: 700; }
    .service-icon { width: 54px; height: 54px; border-radius: 16px; background: var(--forest); color: var(--lime); display: grid; place-items: center; }
    .service-icon svg { width: 27px; height: 27px; }
    .service-text strong { display: block; font-size: 18px; margin-bottom: 4px; }
    .service-text p { color: var(--muted); font-size: 14px; }
    .service-arrow { width: 38px; height: 38px; border-radius: 50%; background: var(--mist); color: var(--forest); display: grid; place-items: center; font-size: 22px; transition: background .2s, color .2s; flex-shrink: 0; }
    .service-item:hover .service-arrow { background: var(--forest); color: #fff; }
    @media (max-width: 720px) {
      .service-item { grid-template-columns: 1fr auto; gap: 12px; padding: 24px 20px; }
      .service-index { display: none; }
      .service-icon { grid-column: 1; grid-row: 1;}
      .service-arrow { grid-column: 2; grid-row: 1; }
      .service-text { grid-column: 1 / -1; grid-row: 2; }
    }

    /* info grid */
    .info-stack { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
    @media (max-width: 720px) { .info-stack { grid-template-columns: 1fr; } }
    .info-card { background: #fff; border: 1px solid #ecefea; border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); display: flex; gap: 20px; align-items: flex-start; transition: box-shadow .2s, transform .2s; }
    .info-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
    .info-icon { width: 52px; height: 52px; background: var(--lime); color: var(--lime-ink); border-radius: 14px; display: grid; place-items: center; flex-shrink: 0; }
    .info-icon svg { width: 24px; height: 24px; }
    .info-body h3 { font-size: 18px; margin-bottom: 8px; }
    .info-body p { font-size: 15px; color: var(--muted); line-height: 1.7; }
    .info-body .mono { font-weight: 700; color: var(--forest); }

    /* trust */
    .trust-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding-block: 20px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px 28px; }
    .trust-strip span { font-size: 14px; color: var(--muted); display: inline-flex; gap: 10px; align-items: center; }
    .trust-strip .dot { width: 6px; height: 6px; background: var(--lime); border-radius: 99px; display: inline-block; }

    /* FAQ */
    .faq-panel { max-width: 900px; margin-inline: auto; display: grid; gap: 14px; }
    .faq-item { background: #fff; border: 1px solid #edece6; border-radius: 16px; overflow: hidden; box-shadow: 0 1px 2px rgba(23,33,27,.03); }
    .faq-item details > summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 20px 24px; font-weight: 700; font-size: 16px; }
    .faq-item details > summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { content: ""; width: 34px; height: 34px; background: var(--mist); border-radius: 50%; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231D5A3E' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: center; background-size: 16px; flex-shrink: 0; transition: transform .25s; }
    .faq-item details[open] summary::after { transform: rotate(45deg); }
    .faq-item .faq-answer { padding: 0 24px 22px; color: var(--muted); font-size: 15px; line-height: 1.8; }
    .faq-item details[open] { border-color: rgba(29,90,62,.25); }

    /* contact cta */
    .contact-panel { position: relative; overflow: hidden; background: var(--forest-deep); color: #fff; border-radius: 32px; }
    .contact-bg { position: absolute; inset: 0; background-image: linear-gradient(rgba(15,53,36,.5), rgba(15,53,36,.9)), url('/assets/images/backpic/back-2.webp'); background-size: cover; background-position: center; }
    .contact-watermark { position: absolute; right: -20px; bottom: -80px; font-family: var(--font-display); font-weight: 800; font-size: 360px; line-height: 1; opacity: .05; color: var(--lime); pointer-events: none; }
    .contact-panel .container { position: relative; z-index: 2; padding-block: clamp(48px, 6vw, 88px); }
    .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
    @media (max-width: 980px) { .contact-grid { grid-template-columns: 1fr; gap: 36px; } }
    .contact-copy h2 { color: #fff; font-size: clamp(28px, 3.6vw, 42px); }
    .contact-copy p { color: rgba(255,255,255,.78); margin-top: 18px; font-size: 15px; line-height: 1.85; }
    .contact-copy .mini { margin-top: 92px; }
    .contact-copy .mini img { border-radius: 18px; max-height: 240px; object-fit: cover; width: 100%; }
    .contact-form-card { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); backdrop-filter: blur(12px); border-radius: 26px; padding: 28px; }
    .contact-form-card h3 { color: #fff; font-size: 20px; margin-bottom: 18px; }
    .form-grid { display: grid; gap: 14px; }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    @media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
    .field label { display: block; font-size: 13px; font-weight: 700; color: rgba(255,255,255,.68); margin-bottom: 6px; }
    .field input, .field select, .field textarea { width: 100%; border: 1px solid rgba(255,255,255,.32); background: rgba(255,255,255,.12); color: #fff; border-radius: 12px; padding: 12px 14px; min-height: 48px; transition: border .2s, box-shadow .2s; }
    .field input::placeholder, .field textarea::placeholder { color: rgba(255,255,255,.42); }
    .field select option { color: var(--ink); background: #fff; }
    .field textarea { min-height: 108px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--lime); box-shadow: 0 0 0 3px rgba(213,242,91,.22); }
    .form-note { color: rgba(255,255,255,.6); font-size: 12px; margin-top: 12px; }

    /* CTA oneliner */
    .cta-oneliner { background: var(--mist); border-radius: 20px; padding: 32px 40px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; border: 1px solid #e3e6dc; }
    .cta-oneliner h2 { font-size: 20px; }
    .cta-oneliner p { color: var(--muted); font-size: 14px; margin-top: 4px; }

    /* footer */
    .footer { background: var(--forest-deep); color: rgba(255,255,255,.78); }
    .footer a { transition: color .2s; }
    .footer a:hover { color: var(--lime); }
    .footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1.3fr; gap: 48px; padding-block: 68px; }
    @media (max-width: 1024px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
    @media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr; gap: 32px; padding-block: 48px; } }
    .footer-brand h2 { color: #fff; font-size: 20px; margin-top: 22px; }
    .footer-brand p { margin-top: 10px; font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.6); max-width: 420px; }
    .footer .footer-logo { display: flex; align-items: center; gap: 12px; }
    .footer .logo-mark { width: 46px; height: 46px; background: var(--lime); color: var(--lime-ink); font-family: var(--font-display); font-weight: 800; border-radius: 15px; display: grid; place-items: center; }
    .footer .logo-name { font-family: "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 20px; font-weight: 800; line-height: 1.2; }
    .footer .logo-sub { font-family: var(--font-display); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; opacity: .55; margin-top: 3px; }
    .footer-col ul { list-style: none; display: grid; gap: 12px; margin-top: 16px; }
    .footer-col ul li { display: flex; align-items: flex-start; gap: 8px; font-size: 14px; }
    .footer-col ul li svg { width: 17px; height: 17px; color: var(--lime); flex-shrink: 0; margin-top: 3px; }
    .footer-head { font-size: 16px; font-weight: 800; color: #fff; }
    .footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-block: 22px; font-size: 13px; color: rgba(255,255,255,.45); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px; }
    .footer .domain { color: rgba(255,255,255,.72); }
    @media (hover: none) { .nav-link:hover { color: var(--muted); } }