/* roulang page: index */
:root{
  --primary:#0E3D2E;
  --primary-deep:#0B2B21;
  --accent:#F0641A;
  --accent-soft:#FFF1E8;
  --page-bg:#F7F5F0;
  --card-bg:#FFFFFF;
  --sub-bg:#EFECE4;
  --text:#14211D;
  --muted:#6B7B74;
  --line:#E3E5DF;
  --radius-md:12px;
  --radius-lg:20px;
  --shadow-sm:0 2px 10px rgba(20,33,29,.05);
  --shadow-hover:0 14px 30px rgba(20,33,29,.09);
  --container:1220px;
  --font-stack:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-stack);
  background:var(--page-bg);
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .22s ease}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit}
button{background:none;border:none;cursor:pointer}
.page-container{max-width:var(--container);margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
.section-block{padding:100px 0}
.section-label{font-size:14px;font-weight:600;letter-spacing:.14em;color:var(--accent);text-transform:uppercase;display:flex;align-items:center;gap:12px;margin-bottom:14px}
.section-label::before{content:"";width:26px;height:2px;background:var(--accent);display:inline-block}
.section-title{font-size:clamp(1.8rem,3vw,2.5rem);font-weight:700;color:var(--primary-deep);line-height:1.3;letter-spacing:-.02em;margin-bottom:18px}
.section-desc{font-size:17px;color:var(--muted);max-width:720px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:999px;font-weight:600;font-size:15px;
  line-height:1;transition:all .22s ease;border:1px solid transparent;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 18px rgba(240,100,26,.22)}
.btn-primary:hover{background:#d9520e;color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(240,100,26,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-light-outline{border-color:#fff;color:#fff;background:transparent}
.btn-light-outline:hover{background:#fff;color:var(--primary-deep)}
.text-accent{color:var(--accent)}
.muted{color:var(--muted)}

/* Header */
.site-header{
  background:var(--card-bg);
  border-bottom:1px solid var(--line);
  position:relative;
  z-index:50;
}
.header-top{
  display:flex;
  align-items:center;
  gap:24px;
  padding-top:20px;
  padding-bottom:16px;
}
.brand-logo{
  display:flex;align-items:center;gap:10px;flex:0 0 215px;
  min-width:0;
}
.brand-mark{
  width:40px;height:40px;border-radius:10px;background:var(--primary);
  flex-shrink:0;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(14,61,46,.25);
}
.brand-mark span{
  display:block;width:14px;height:14px;border:2px solid var(--accent);
  border-radius:50%;position:relative;
}
.brand-mark span::after{
  content:"";position:absolute;width:14px;height:7px;background:var(--primary);
  right:-2px;top:1px;transform:rotate(120deg);
}
.brand-name{
  font-size:18px;font-weight:800;color:var(--primary-deep);line-height:1.2;
  letter-spacing:-.01em;white-space:nowrap;
}
.brand-sub{
  display:block;font-size:11px;font-weight:500;color:var(--muted);
  letter-spacing:.04em;margin-top:3px;
}
.header-search{
  flex:1;min-width:200px;box-sizing:border-box;
}
.header-search form{
  display:flex;align-items:center;background:var(--page-bg);
  border:1px solid var(--line);border-radius:999px;height:56px;
  padding:0 8px 0 22px;transition:border-color .2s,box-shadow .2s;
}
.header-search form:focus-within{
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(240,100,26,.13);
  background:#fff;
}
.header-search .search-icon{
  flex-shrink:0;display:flex;
}
.header-search input{
  flex:1;border:none;background:transparent;padding:0 12px;
  height:100%;font-size:17px;outline:none;color:var(--text);
}
.header-search input::placeholder{color:#9AA6A0;font-size:16px}
.header-search .search-btn{
  background:var(--primary);color:#fff;border-radius:999px;
  height:40px;padding:0 28px;font-weight:600;font-size:15px;
  transition:background .22s;
}
.header-search .search-btn:hover{background:var(--accent)}
.header-cta{
  margin-left:2px;flex-shrink:0;
  font-size:14px;font-weight:600;padding:10px 20px;border-radius:999px;
  border:1px solid var(--primary);color:var(--primary);
  transition:all .2s;
}
.header-cta:hover{background:var(--primary);color:#fff}

/* Nav */
.main-nav{
  border-top:1px solid var(--line);
  background:#fff;
}
.nav-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  display:flex;align-items:stretch;min-height:50px;
}
.main-nav .nav-list{
  display:flex;align-items:stretch;gap:4px;margin:0;padding:0;width:100%;
}
.main-nav .nav-item{
  display:flex;align-items:center;padding:0 2px;margin:0;
}
.main-nav .nav-link{
  display:flex;align-items:center;padding:0 18px;
  font-size:15px;font-weight:500;color:#394A44;
  line-height:1;height:48px;position:relative;border-radius:8px 8px 0 0;
  transition:color .18s ease,background .18s;
}
.main-nav .nav-link::after{
  content:"";position:absolute;left:18px;right:18px;bottom:-1px;
  height:2px;background:var(--accent);transform:scaleX(0);
  transform-origin:center;transition:transform .2s ease;
}
.main-nav .nav-link:hover,.main-nav .nav-link.active{color:var(--accent)}
.main-nav .nav-link:hover::after,.main-nav .nav-link.active::after{transform:scaleX(1)}
.nav-aux{
  margin-left:auto;display:flex;align-items:center;
  font-size:13px;color:var(--muted);padding-right:8px;white-space:nowrap;
}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  background:var(--primary);color:#fff;align-items:center;justify-content:center;
  flex-shrink:0;transition:background .2s;
}
.menu-toggle:hover{background:var(--accent)}

/* Hero */
.hero-section{
  background:linear-gradient(100deg,rgba(247,245,240,1) 0%,rgba(247,245,240,.9) 45%,rgba(11,43,33,.20) 100%),url('/assets/images/backpic/back-1.png') no-repeat right center/cover;
  position:relative;overflow:hidden;
}
.hero-inner{
  min-height:600px;display:flex;align-items:center;
  padding-top:56px;padding-bottom:56px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.85);border:1px solid var(--line);
  padding:8px 18px;border-radius:999px;font-size:13px;font-weight:600;
  color:var(--primary-deep);box-shadow:var(--shadow-sm);margin-bottom:26px;
}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:var(--accent)}
.hero-title{
  font-size:clamp(2.7rem,5vw,4.6rem);
  font-weight:700;line-height:1.18;color:var(--primary-deep);
  letter-spacing:-.04em;margin-bottom:24px;
}
.hero-title .accent-line{color:var(--accent);position:relative}
.hero-intro{
  font-size:18px;line-height:1.8;color:#3E4A45;
  max-width:500px;margin-bottom:34px;
}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.hero-mini-search{
  margin-top:42px;display:flex;align-items:center;gap:12px;
  color:var(--muted);font-size:14px;
}
.hero-mini-search a{font-weight:600;color:var(--primary);border-bottom:1px solid transparent}
.hero-mini-search a:hover{border-color:var(--primary)}
.hero-visual{position:relative;text-align:center}
.hero-visual .cover-card{
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:0 34px 70px rgba(11,43,33,.18);
  transform:rotate(1.5deg);border:5px solid #fff;
}
.hero-visual::before{
  content:"";position:absolute;width:380px;height:380px;
  background:rgba(240,100,26,.18);border-radius:50%;right:-40px;top:10%;
  z-index:1;
}
.hero-visual .cover-card img{width:100%;object-fit:cover;aspect-ratio:4/3}
.hero-stat-bubble{
  position:absolute;left:-20px;bottom:30px;background:#fff;z-index:2;
  border-radius:16px;padding:16px 22px;box-shadow:var(--shadow-hover);
  border:1px solid var(--line);
}
.hero-stat-bubble strong{
  font-size:28px;font-weight:800;color:var(--accent);display:block;
  line-height:1.2;
}
.hero-stat-bubble span{font-size:12px;color:var(--muted)}

/* Stats band */
.stats-band{
  background:#fff;border-bottom:1px solid var(--line);
}
.stats-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:0;padding:50px 0;
}
.stat-cell{border-left:1px solid var(--line);padding:10px 46px}
.stat-cell:first-child{border-left:none;padding-left:0}
.stat-number{
  font-size:clamp(2.2rem,4vw,3.6rem);font-weight:800;color:var(--primary-deep);
  line-height:1;letter-spacing:-.03em;margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.stat-number em{color:var(--accent);font-style:normal;font-size:.65em;margin-left:4px;font-weight:700}
.stat-text{font-size:16px;color:var(--muted)}
.stat-text strong{color:var(--primary);font-weight:600}

/* Steps */
.steps-section{background:var(--page-bg)}
.steps-wrap{
  display:grid;grid-template-columns:.85fr 1.15fr;
  gap:76px;align-items:center;margin-top:26px;
}
.step-copy{position:relative}
.step-list{display:flex;flex-direction:column;gap:38px}
.step-item{
  display:grid;grid-template-columns:88px 1fr;gap:24px;
  padding:0;align-items:start;
}
.step-num{
  font-size:64px;font-weight:800;line-height:.9;color:transparent;
  -webkit-text-stroke:1.8px var(--accent);
  font-variant-numeric:tabular-nums;
}
.step-body h3{
  font-size:1.24rem;font-weight:700;color:var(--primary-deep);margin-bottom:8px;
}
.step-body p{color:var(--muted);font-size:15px;line-height:1.75;padding-right:14px}
.step-visual{
  background:var(--card-bg);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.step-visual-img{position:relative;overflow:hidden;aspect-ratio:16/10}
.step-visual-img img{width:100%;height:100%;object-fit:cover}
.step-visual-video{
  padding:22px 28px;background:var(--primary-deep);color:#fff;
  display:flex;align-items:center;gap:14px;
}
.step-visual-video .play-btn{
  width:46px;height:46px;border-radius:50%;background:var(--accent);
  color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0;
  font-size:13px;
}
.step-visual-video p{font-size:14px;line-height:1.6}
.step-visual-video small{color:rgba(255,255,255,.65)}

/* Cases */
.cases-section{background:var(--card-bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cases-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;margin-top:44px}
.cases-right{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.case-card{
  background:var(--card-bg);border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;transition:transform .25s ease,border-color .2s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-4px);border-color:#C9D2CC;box-shadow:var(--shadow-hover)}
.case-primary .case-cover{aspect-ratio:16/8.6}
.case-cover{aspect-ratio:4/3;overflow:hidden;background:var(--sub-bg)}
.case-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.case-card:hover .case-cover img{transform:scale(1.03)}
.case-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.case-tag{font-size:12px;font-weight:600;color:var(--accent);letter-spacing:.05em;margin-bottom:8px}
.case-body h3{font-size:1.2rem;font-weight:700;color:var(--text-major,var(--primary-deep));line-height:1.45;margin-bottom:8px}
.case-body p{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:16px;flex:1 0 auto}
.case-link{font-weight:600;display:inline-flex;align-items:center;gap:6px;color:var(--primary);margin-top:auto}
.case-link:hover{color:var(--accent)}
.case-link i{transition:transform .2s}
.case-link:hover i{transform:translateX(4px)}

/* Latest CMS */
.latest-section{background:var(--page-bg)}
.latest-head{
  display:flex;justify-content:space-between;align-items:flex-end;
  gap:20px;margin-bottom:44px;flex-wrap:wrap;
}
.latest-more,.link-more{
  font-weight:600;font-size:14px;color:var(--primary);
  display:inline-flex;align-items:center;gap:8px;
}
.latest-more:hover,.link-more:hover{color:var(--accent)}
.latest-list{
  border-top:1px solid var(--line);
}
.news-row-list .news-row{
  display:grid;grid-template-columns:120px 1fr 150px 40px;
  align-items:center;gap:28px;
  background:#fff;border-bottom:1px solid var(--line);
  padding:24px 26px;transition:background .2s ease,box-shadow .2s ease;
  position:relative;overflow:hidden;
}
.news-row-list .news-row::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--accent);opacity:0;transition:opacity .2s;
}
.news-row-list .news-row:hover{background:#FEFAF5;box-shadow:inset 0 1px 6px rgba(0,0,0,.02)}
.news-row-list .news-row:hover::before{opacity:1}
.news-date{
  background:var(--sub-bg);border-radius:var(--radius-md);
  text-align:center;padding:13px 10px;min-width:104px;
}
.news-date .d{font-size:28px;font-weight:800;color:var(--primary-deep);line-height:1;font-variant-numeric:tabular-nums}
.news-date .my{font-size:12px;color:var(--muted);margin-top:6px;display:block;letter-spacing:.03em}
.news-main{min-width:0}
.news-main h4{font-size:17px;font-weight:600;color:var(--primary-deep);margin-bottom:5px;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-main p{font-size:14px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:0}
.news-cat-tag{
  background:var(--page-bg);border:1px solid var(--line);
  color:#3A5147;border-radius:999px;padding:7px 16px;font-size:13px;
  font-weight:500;text-align:center;white-space:nowrap;
  transition:all .2s ease;justify-self:center;
}
.news-row:hover .news-cat-tag{background:var(--accent-soft);border-color:#FFC9A6;color:#B33D00}
.news-arrow{
  width:36px;height:36px;border-radius:50%;background:var(--page-bg);
  display:flex;align-items:center;justify-content:center;color:var(--primary);
  font-size:18px;transition:background .2s,color .2s,transform .2s;justify-self:end;
}
.news-row:hover .news-arrow{background:var(--primary);color:#fff;transform:translateX(4px)}
.empty-state{
  border:2px dashed #CCD4CD;border-radius:var(--radius-md);
  padding:70px 20px;text-align:center;color:var(--muted);
  background:rgba(255,255,255,.3);
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:50%;border:1px solid var(--line);
  background:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-size:24px;color:var(--muted);margin-bottom:16px;
}
.empty-state p{font-size:15px}

/* FAQ */
.faq-section{background:#fff;border-top:1px solid var(--line)}
.faq-wrap{max-width:940px;margin:22px auto 0}
.faq-list{border-top:1px solid var(--line);margin:0}
.faq-list .accordion-item{
  border-bottom:1px solid var(--line);background:transparent;
  margin:0;list-style:none;
}
.faq-question{
  background:transparent !important;border:none;
  display:flex;align-items:center;gap:20px;
  padding:24px 12px 24px 0 !important;
  font-size:17px;font-weight:600;color:var(--primary-deep);
  line-height:1.6;position:relative;
}
.faq-question:hover{color:var(--accent)}
.faq-question .faq-index{
  font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.04em;
  border:1px solid #FFDAC1;border-radius:8px;padding:4px 12px;
  background:var(--accent-soft);
}
.faq-question::after{
  content:"+";position:absolute;right:0;font-size:28px;font-weight:300;
  color:var(--primary);transition:transform .22s ease;top:50%;
  transform:translateY(-50%);margin-top:0;
}
.faq-list .accordion-item.is-active .faq-question::after{
  content:"−";transform:translateY(-50%) rotate(0deg);
}
.faq-answer{
  background:transparent !important;color:var(--muted);
  padding:0 60px 30px 44px !important;line-height:1.9;font-size:15px;
}
.faq-answer p{color:var(--muted);max-width:820px}
.faq-answer a{color:var(--primary);text-decoration:underline;text-underline-offset:4px}

/* CTA */
.cta-register{
  position:relative;
  background:linear-gradient(130deg,rgba(11,43,33,.93) 0%,rgba(14,61,46,.84) 60%,rgba(64,47,38,.75) 100%),url('/assets/images/backpic/back-3.png') no-repeat center center/cover;
  color:#fff;
}
.cta-inner{
  padding:110px 20px;
  display:flex;gap:64px;align-items:center;flex-wrap:wrap;
}
.cta-info{flex:1 1 46%}
.cta-info h2{
  font-size:clamp(1.8rem,3.4vw,2.6rem);line-height:1.35;font-weight:700;
  margin-bottom:20px;color:#fff;
}
.cta-info p{color:rgba(255,255,255,.72);font-size:16px;line-height:1.9;margin-bottom:24px}
.cta-feature-list{display:flex;flex-direction:column;gap:14px}
.cta-feature{display:flex;align-items:flex-start;gap:10px;color:rgba(255,255,255,.75)}
.cta-feature i{color:var(--accent);font-weight:700;font-style:normal}
.cta-form-wrap{
  flex:1 1 40%;background:var(--card-bg);border-radius:22px;
  box-shadow:0 24px 60px rgba(0,0,0,.18);padding:40px;
  border-top:4px solid var(--accent);
}
.cta-form-title{font-size:1.45rem;font-weight:700;color:var(--primary-deep);margin-bottom:10px}
.cta-form-title span{color:var(--accent)}
.cta-form-sub{font-size:14px;color:var(--muted);margin-bottom:28px}
.cta-form label{display:block;font-size:14px;color:var(--primary);font-weight:600;margin-bottom:8px}
.cta-form input{
  width:100%;border-radius:12px;border:1px solid var(--line);
  height:50px;margin-bottom:18px;background:var(--page-bg);
  padding:0 16px;color:var(--text);transition:all .2s;
}
.cta-form input:focus{outline:none;background:#fff;border-color:var(--accent);box-shadow:0 0 0 3px rgba(240,100,26,.09)}
.cta-form textarea{
  width:100%;border:1px solid var(--line);border-radius:12px;
  background:var(--page-bg);padding:16px;color:var(--text);
  margin-bottom:20px;min-height:90px;resize:vertical;transition:all .2s;
}
.cta-form textarea:focus{outline:none;background:#fff;border-color:var(--accent);box-shadow:0 0 0 3px rgba(240,100,26,.09)}
.cta-form .btn{width:100%;margin-bottom:12px}
.cta-form-note{font-size:12px;color:var(--muted);text-align:center}

/* Footer */
.site-footer{background:var(--primary-deep);color:#CBD9D4;padding-top:78px}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr .8fr 1fr 1.2fr;
  gap:50px 40px;
  padding-bottom:54px;
}
.footer-brand .brand-logo{
  flex-direction:column;align-items:flex-start;gap:12px;flex:0;
  margin-bottom:18px;
}
.footer-brand .brand-name{color:#fff;font-size:22px;white-space:normal;line-height:1.35}
.footer-brand .brand-mark{background:var(--accent)}
.footer-brand .brand-mark span{border-color:#fff}
.footer-brand .brand-mark span::after{background:var(--accent)}
.footer-brand p{font-size:14px;color:#A2BBB1;line-height:1.85}
.footer-col-title{color:#fff;font-size:16px;font-weight:600;margin-bottom:22px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  color:#A2BBB1;font-size:14px;transition:color .2s,padding .2s;line-height:inherit;
}
.footer-links a:hover{color:#fff;padding-left:6px;color:var(--accent)}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{
  border:1px solid rgba(255,255,255,.18);border-radius:999px;
  padding:6px 12px;font-size:12px;color:#A2BBB1;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:28px 0;
  text-align:center;font-size:14px;color:#8AA79C;
}
.footer-bottom .dot{margin:0 8px}

/* Back to top */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;
  border-radius:50%;background:var(--accent);color:#fff;box-shadow:var(--shadow-hover);
  display:none;align-items:center;justify-content:center;z-index:99;
  transition:all .22s;
}
.to-top:hover{background:var(--primary);transform:translateY(-4px)}
.to-top.show{display:flex}

/* Mobile menu close */
.mobile-close{display:none}

/* Responsive */
@media screen and (max-width:1024px){
  .hero-inner{min-height:auto;padding-top:80px;padding-bottom:80px}
  .hero-visual{max-width:450px;margin:40px auto 0}
  .steps-wrap{gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media screen and (max-width:768px){
  .section-block{padding:64px 0}
  .stats-grid{grid-template-columns:1fr 1fr 1fr}
  .stat-cell{padding-left:12px;padding-right:12px}
  .stat-text{font-size:13px}
  .steps-wrap{grid-template-columns:1fr;gap:38px}
  .cases-grid{grid-template-columns:1fr}
  .cases-right{grid-template-columns:1fr 1fr}
  .cta-inner{padding:72px 10px;gap:40px}
  .news-row-list .news-row{grid-template-columns:80px 1fr 36px;gap:14px;padding:18px 12px}
  .news-cat-tag{display:none}
  .news-main h4{font-size:15px}
  .news-main p{font-size:13px}
  .faq-answer{padding:0 24px 22px 20px !important}
  .footer-grid{gap:30px}
}
@media screen and (max-width:640px){
  body{font-size:15px}
  .page-container{padding-left:16px;padding-right:16px}
  .section-block{padding:56px 0}
  .section-title{font-size:1.65rem}
  .header-top{
    flex-wrap:wrap;gap:14px;padding-top:14px;padding-bottom:14px;
    align-items:center;position:relative;
  }
  .brand-logo{flex:1 1 auto;width:auto}
  .brand-name{font-size:15px}
  .brand-sub{font-size:10px}
  .header-search{order:3;width:100%;flex:1 1 100%;min-width:100%}
  .header-search form{height:50px}
  .header-search input{font-size:16px;padding:0 8px}
  .header-search .search-btn{padding:0 18px}
  .header-cta{display:none}
  .menu-toggle{display:inline-flex;order:2;margin-left:auto}
  .nav-inner{display:block;padding:0;max-width:100%}
  .main-nav .nav-list{
    display:none;flex-direction:column;width:100%;
    background:#fff;padding:8px 16px 16px;border-top:1px solid var(--line);
  }
  .main-nav .nav-list.open{display:flex}
  .main-nav .nav-link{height:auto;padding:14px 12px;border-radius:10px}
  .main-nav .nav-link::after{display:none}
  .main-nav .nav-link:hover,
  .main-nav .nav-link.active{background:var(--accent-soft);color:var(--accent);padding-left:16px}
  .nav-aux{display:none}
  .hero-inner{padding-top:56px;padding-bottom:48px}
  .hero-badge{padding:7px 14px;font-size:12px}
  .hero-title{font-size:clamp(2rem,9vw,2.8rem);letter-spacing:-.03em}
  .hero-intro{font-size:15px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{justify-content:center}
  .stats-band .page-container{padding:0}
  .stats-grid{grid-template-columns:1fr;gap:24px;padding:40px 24px}
  .stat-cell{border-left:none;border-bottom:1px solid var(--line);padding:20px 0}
  .stat-cell:last-child{border-bottom:none}
  .cases-right{grid-template-columns:1fr}
  .case-primary .case-cover{aspect-ratio:4/3}
  .case-body p{font-size:13px}
  .latest-head{flex-direction:column;align-items:flex-start}
  .news-row-list .news-row{grid-template-columns:70px 1fr 34px;gap:10px}
  .news-date{padding:10px 6px;min-width:64px}
  .news-date .d{font-size:22px}
  .news-main h4{white-space:normal}
  .news-main p{display:none}
  .empty-state{padding:48px 16px}
  .cta-inner{padding:56px 0}
  .cta-form-wrap{padding:28px 20px}
  .cta-info h2{font-size:1.7rem}
  .faq-question{gap:12px;font-size:15px;padding:20px 30px 20px 0}
  .faq-question .faq-index{font-size:11px;padding:3px 8px}
  .footer-grid{grid-template-columns:1fr;gap:40px;padding-top:48px}
  .to-top{width:42px;height:42px;right:16px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  .hero-visual .cover-card{transform:none}
  .case-card:hover{transform:none}
  .news-row-list .news-row:hover{transform:none}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root{
  --primary:#0E3D2E;
  --primary-light:#1B5A44;
  --primary-soft:#E7F0EB;
  --accent:#F0641A;
  --accent-light:#FFF1E8;
  --accent-dark:#C74F10;
  --bg:#F7F5F0;
  --bg-soft:#EFECE4;
  --card:#FFFFFF;
  --ink:#14211D;
  --ink-weak:#6B7B74;
  --line:#E3E5DF;
  --gray:#F2F1ED;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-sm:0 1px 3px rgba(20,33,29,.05);
  --shadow-hover:0 12px 30px rgba(20,33,29,.08);
  --container-width:1220px;
  --trans:all .25s ease;
  --font-stack:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}

/* ===== 基础 Reset ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-stack);
  background:var(--bg);
  color:var(--ink);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:var(--trans)}
a:hover,a:focus{color:var(--accent)}
button,input,select,textarea{font-family:var(--font-stack)}
ul{list-style:none}
.page-container{max-width:var(--container-width);margin:0 auto;padding:0 24px;position:relative}
.dot{color:#B9C5BF;padding:0 4px}
.section-light{background:var(--card)}
.section-soft{background:var(--bg-soft)}

/* ===== 顶部信息栏 ===== */
.top-info{
  background:var(--primary);
  color:rgba(255,255,255,.84);
  font-size:13px;
  padding:8px 0;
}
.top-info-inner{
  max-width:var(--container-width);
  margin:0 auto;
  padding:0 24px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.top-info a{
  color:#fff;
  border-bottom:1px dotted rgba(255,255,255,.35);
}
.top-info a:hover{border-color:var(--accent);color:#fff}

/* ===== Header ===== */
.header{
  background:#fff;
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:999;
}
.header-main{
  max-width:var(--container-width);
  margin:0 auto;
  padding:18px 24px;
  display:flex;
  align-items:center;
  gap:22px;
}
.brand-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  min-width:196px;
}
.brand-mark{
  width:36px;
  height:36px;
  border-radius:10px;
  background:var(--primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  position:relative;
  flex-shrink:0;
}
.brand-mark::before{
  content:'';
  width:15px;
  height:15px;
  border:3px solid #fff;
  border-radius:50%;
  border-right-color:var(--accent);
  transform:rotate(20deg);
}
.brand-mark span{
  position:absolute;
  inset:0;
}
.brand-name{
  font-size:20px;
  font-weight:700;
  letter-spacing:-.2px;
  color:var(--ink);
  white-space:nowrap;
  transition:var(--trans);
}
.brand-logo:hover .brand-name{color:var(--primary)}
.brand-logo:hover .brand-mark{background:var(--primary-light)}

/* 搜索框 */
.header-search{
  flex:1;
  max-width:560px;
  margin:0 auto;
}
.search-box{
  display:flex;
  align-items:center;
  background:var(--bg);
  border:2px solid var(--line);
  border-radius:50px;
  overflow:hidden;
  transition:var(--trans);
  height:52px;
  padding:0 8px 0 18px;
}
.search-box:hover{border-color:#C3D2CB}
.search-box:focus-within{
  border-color:var(--accent);
  box-shadow:0 0 0 4px rgba(240,100,26,.12);
  background:#fff;
}
.search-box .search-icon{
  color:var(--ink-weak);
  font-size:17px;
  margin-right:10px;
}
.search-box input{
  flex:1;
  border:none;
  background:transparent;
  height:100%;
  font-size:16px;
  color:var(--ink);
  outline:none;
  padding:0;
}
.search-box input::placeholder{color:#A6B2AC}
.search-btn{
  background:var(--primary);
  border:none;
  color:#fff;
  height:40px;
  padding:0 26px;
  border-radius:50px;
  font-size:15px;
  font-weight:500;
  cursor:pointer;
  transition:var(--trans);
  display:flex;
  align-items:center;
  gap:6px;
  letter-spacing:.5px;
}
.search-btn:hover{background:var(--accent)}

/* Header 右侧按钮 */
.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex-shrink:0;
}
.entry-btn{
  background:var(--accent);
  color:#fff;
  border-radius:50px;
  padding:0 20px;
  height:44px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:500;
  border:none;
  cursor:pointer;
  transition:var(--trans);
}
.entry-btn:hover{
  background:var(--accent-dark);
  color:#fff;
  transform:translateY(-1px);
}
.header-link{
  font-size:15px;
  color:var(--ink-weak);
  display:inline-flex;
  align-items:center;
  gap:6px;
  white-space:nowrap;
}
.header-link i{color:var(--accent)}
.header-link:hover{
  color:var(--primary);
  text-decoration:underline;
}

/* 导航折叠按钮 */
.nav-toggle{
  display:none;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:8px;
  width:46px;
  height:44px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  font-size:20px;
  color:var(--primary);
  flex-shrink:0;
  transition:var(--trans);
}
.nav-toggle:hover{background:var(--primary-soft);border-color:var(--primary)}

/* ===== 导航 ===== */
.main-nav{
  background:#fff;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:var(--container-width);
  margin:0 auto;
  padding:0 24px;
}
.nav-list{
  display:flex;
  margin:0;
  padding:0;
  gap:28px;
}
.nav-item{
  margin:0;
  padding:0;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  height:52px;
  font-size:16px;
  font-weight:500;
  color:var(--ink);
  position:relative;
  letter-spacing:.3px;
  border-bottom:2px solid transparent;
}
.nav-link::after{
  content:'';
  position:absolute;
  left:0;
  bottom:-1px;
  width:100%;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:var(--trans);
  border-radius:0 0 4px 4px;
}
.nav-link:hover{
  color:var(--primary);
  background:transparent;
}
.nav-link:hover::after,.nav-link.active::after{
  transform:scaleX(1);
}
.nav-link.active{
  color:var(--primary);
  font-weight:600;
}

/* ===== Hero 分类页 ===== */
.cat-hero{
  background:
    linear-gradient(120deg, rgba(14,61,46,.98) 0%, rgba(14,61,46,.92) 48%, rgba(14,61,46,.7) 100%),
    url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  color:#fff;
  padding:64px 0 92px;
  position:relative;
  overflow:hidden;
}
.cat-hero::after{
  content:'';
  position:absolute;
  right:-80px;
  top:-80px;
  width:400px;
  height:400px;
  border-radius:50%;
  border:60px solid rgba(255,255,255,.05);
  pointer-events:none;
}
.cat-hero-grid{
  position:relative;
  z-index:2;
}
.cat-hero h1{
  font-size:clamp(2rem,4vw,3.1rem);
  font-weight:700;
  line-height:1.2;
  margin-bottom:15px;
  letter-spacing:-.5px;
}
.cat-hero h1 .hero-accent{
  display:block;
  color:#FCA278;
  font-size:clamp(.9rem,1.2vw,1.15rem);
  font-weight:400;
  letter-spacing:2px;
  margin-bottom:10px;
}
.cat-hero .lead{
  max-width:580px;
  font-size:17px;
  line-height:1.8;
  opacity:.86;
  margin-bottom:32px;
}
.hero-chips{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:24px;
}
.hero-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 16px;
  border-radius:50px;
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.09);
  backdrop-filter:blur(4px);
  font-size:14px;
  color:rgba(255,255,255,.9);
  line-height:1.4;
}
.hero-chip i{color:#FCA278}
.hero-btns{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}
.hero-btn-primary,.hero-btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:0 30px;
  height:50px;
  border-radius:50px;
  font-size:15px;
  font-weight:600;
  transition:var(--trans);
}
.hero-btn-primary{
  background:var(--accent);
  color:#fff;
}
.hero-btn-primary:hover{
  background:#FF7D36;
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(240,100,26,.3);
}
.hero-btn-ghost{
  border:1px solid rgba(255,255,255,.5);
  color:#fff;
}
.hero-btn-ghost:hover{
  background:rgba(255,255,255,.14);
  color:#fff;
}
.hero-search-card{
  max-width:500px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  backdrop-filter:blur(6px);
  border-radius:var(--radius-lg);
  padding:10px;
  margin-top:30px;
  display:flex;
  align-items:center;
}
.hero-search-card i{
  color:#FCA278;
  margin-left:16px;
  margin-right:10px;
}
.hero-search-card input{
  width:100%;
  border:none;
  background:transparent;
  color:#fff;
  font-size:15px;
  outline:none;
}
.hero-search-card input::placeholder{
  color:rgba(255,255,255,.7);
}

/* ===== 分类筛选 / 标签 ===== */
.quick-tags{
  background:transparent;
  padding:26px 0 4px;
  margin-top:-38px;
  position:relative;
  z-index:5;
}
.tags-panel{
  background:var(--card);
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  box-shadow:0 12px 30px rgba(14,61,46,.06);
  padding:18px 22px;
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
}
.tags-label{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  white-space:nowrap;
}
.tags-list{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.tag{
  display:inline-block;
  padding:5px 14px;
  background:var(--primary-soft);
  color:var(--primary);
  border-radius:50px;
  font-size:13px;
  line-height:1.5;
  border:1px solid transparent;
  transition:var(--trans);
  white-space:nowrap;
}
.tag:hover,.tag-current{
  background:var(--accent);
  color:#fff !important;
  cursor:default;
}
.tag-outline{
  background:transparent;
  border-color:#D7E0DB;
}
.tag-outline:hover{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
  cursor:pointer;
}

/* ===== 内容列表卡片 ===== */
.content-section{
  padding:70px 0 84px;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:34px;
}
.section-title{
  font-size:clamp(1.6rem,2.6vw,2.2rem);
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.4px;
  margin:0;
}
.section-title::before{
  content:attr(data-index);
  display:block;
  font-size:15px;
  font-weight:500;
  color:var(--accent);
  margin-bottom:10px;
  letter-spacing:1px;
}
.section-sub{
  color:var(--ink-weak);
  font-size:15px;
  max-width:600px;
}
.section-more{
  flex-shrink:0;
}

/* 横排长条卡 */
.news-list{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.news-card{
  position:relative;
  display:flex;
  align-items:stretch;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:var(--trans);
  cursor:default;
}
.news-card::before{
  content:'';
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:2px;
  background:var(--accent);
  opacity:0;
  transition:var(--trans);
}
.news-card:hover{
  border-color:#D1DCD6;
  box-shadow:var(--shadow-hover);
  background:#FEFCF8;
  transform:translateY(-2px);
}
.news-card:hover::before{opacity:1}
.news-thumb{
  width:240px;
  flex-shrink:0;
  min-height:150px;
  position:relative;
  overflow:hidden;
  background:var(--bg-soft);
}
.news-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  position:absolute;
  inset:0;
  transition:var(--trans);
}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-thumb .tag-date{
  position:absolute;
  left:12px;
  top:12px;
  background:rgba(14,61,46,.86);
  color:#fff;
  font-size:12px;
  padding:3px 10px;
  border-radius:50px;
  font-weight:500;
  backdrop-filter:blur(4px);
  letter-spacing:.5px;
}
.news-content{
  flex:1;
  padding:22px 24px;
  display:flex;
  flex-direction:column;
  gap:8px;
  min-width:0;
}
.news-content h3{
  margin:0;
  font-size:19px;
  color:var(--ink);
  line-height:1.4;
}
.news-content h3 a{
  color:var(--ink);
}
.news-content h3 a:hover{
  color:var(--accent);
}
.news-desc{
  font-size:14.5px;
  color:var(--ink-weak);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin:0;
}
.news-meta{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
  font-size:13px;
  color:#94A19B;
  margin-top:auto;
  padding-top:12px;
}
.meta-item{
  display:inline-flex;
  align-items:center;
  gap:5px;
}
.meta-item i{color:#B4C2BB}
.news-cat{
  background:var(--bg);
  border-radius:50px;
  padding:2px 12px;
  font-size:12px;
  color:var(--primary);
}
.news-arrow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  color:var(--accent);
  margin-left:auto;
  transition:var(--trans);
}
.news-card:hover .news-arrow{
  transform:translateX(6px);
}

/* ===== 差异化模块：赛事视野时间线 ===== */
.timeline-section{
  background:linear-gradient(180deg, #0F3D2E 0%, #0C3427 100%);
  padding:84px 0;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.timeline-section::before{
  content:'';
  position:absolute;
  width:500px;
  height:500px;
  border-radius:50%;
  border:70px solid rgba(255,255,255,.03);
  right:-160px;
  bottom:-180px;
}
.timeline-title{
  font-size:clamp(1.6rem,2.5vw,2.2rem);
  font-weight:700;
  letter-spacing:-.3px;
  margin-bottom:10px;
}
.timeline-sub{
  color:#C2D4CC;
  font-size:15px;
  margin-bottom:42px;
  max-width:650px;
}
.event-list{
  position:relative;
}
.event-list::before{
  content:'';
  position:absolute;
  left:17px;
  top:6px;
  bottom:6px;
  width:1px;
  background:rgba(255,255,255,.16);
}
.event-item{
  position:relative;
  padding:0 0 22px 52px;
}
.event-item::before{
  content:'';
  position:absolute;
  left:11px;
  top:8px;
  width:13px;
  height:13px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(240,100,26,.25);
}
.event-item:last-child{padding-bottom:0}
.event-time{
  display:inline-block;
  font-size:13px;
  background:rgba(255,255,255,.14);
  border-radius:50px;
  padding:3px 13px;
  color:#FCA278;
  letter-spacing:.5px;
  font-weight:500;
  margin-bottom:5px;
}
.event-title{
  font-size:17px;
  font-weight:600;
  margin-bottom:4px;
}
.event-desc{
  font-size:14px;
  color:rgba(255,255,255,.72);
  line-height:1.7;
  max-width:640px;
}

/* ===== 提示条 ===== */
.notice-tips{
  display:flex;
  align-items:flex-start;
  gap:12px;
  background:#FCF6EF;
  border:1px solid #F2E0D0;
  border-left:4px solid var(--accent);
  border-radius:8px;
  padding:18px 22px;
  margin:36px 0 0;
  font-size:14px;
  line-height:1.8;
  color:#6B4E3A;
}
.notice-tips i{
  color:var(--accent);
  font-size:18px;
  margin-top:3px;
}

/* ===== FAQ ===== */
.faq-section{
  padding:80px 0;
}
.faq-title{
  text-align:center;
  font-size:clamp(1.7rem,2.5vw,2.1rem);
  font-weight:700;
  margin-bottom:10px;
}
.faq-sub{
  text-align:center;
  color:var(--ink-weak);
  font-size:15px;
  margin-bottom:40px;
}
.acc-block{
  max-width:860px;
  margin:0 auto;
}
.acc-item{
  border-bottom:1px solid var(--line);
  transition:var(--trans);
}
.acc-item:first-child{border-top:1px solid var(--line)}
.acc-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:20px 0;
  cursor:pointer;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  line-height:1.5;
}
.acc-title .acc-num{
  color:var(--accent);
  font-weight:700;
  font-size:14px;
  width:34px;
  flex-shrink:0;
  font-variant-numeric:tabular-nums;
  opacity:.85;
}
.acc-icon{
  vertical-align:middle;
  color:var(--accent);
  flex-shrink:0;
  transition:transform .3s ease;
}
.acc-item.open .acc-icon{
  transform:rotate(45deg);
}
.acc-body{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}
.acc-body-inner{
  padding:0 0 24px 34px;
  color:var(--ink-weak);
  line-height:1.9;
  font-size:15px;
  max-width:740px;
}

/* ===== CTA ===== */
.cta-panel{
  background:var(--bg-soft);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:80px 0;
}
.cta-inner{
  max-width:960px;
  margin:0 auto;
  background:var(--primary);
  border-radius:24px;
  padding:50px 54px;
  position:relative;
  overflow:hidden;
  box-shadow:0 20px 40px rgba(14,61,46,.25);
}
.cta-inner::before{
  content:'';
  position:absolute;
  top:-90px;
  right:-60px;
  width:260px;
  height:260px;
  border-radius:50%;
  background:rgba(255,255,255,.07);
  border:45px solid rgba(255,255,255,.03);
}
.cta-inner h2{
  color:#fff;
  font-size:clamp(1.4rem,2.4vw,2rem);
  font-weight:700;
  margin:0 0 8px;
}
.cta-inner .cta-lead{
  color:rgba(255,255,255,.76);
  font-size:16px;
  max-width:620px;
  line-height:1.8;
  margin-bottom:28px;
}
.cta-form{
  display:flex;
  gap:10px;
  max-width:640px;
  position:relative;
  z-index:2;
  flex-wrap:wrap;
}
.cta-form input{
  flex:1;
  min-width:150px;
  height:48px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.12);
  border-radius:50px;
  padding:0 20px;
  color:#fff;
  font-size:15px;
  outline:none;
  transition:var(--trans);
  min-height:48px;
}
.cta-form input::placeholder{
  color:rgba(255,255,255,.55);
}
.cta-form input:focus{
  background:rgba(255,255,255,.2);
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(240,100,26,.25);
}
.cta-form .cta-submit{
  min-width:140px;
}

/* ===== 浏览帮助 ===== */
.browse-help{
  padding:70px 0 80px;
}
.br-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.br-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:28px 26px;
  text-align:center;
  transition:var(--trans);
}
.br-card:hover{
  border-color:#D0DCD5;
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.br-icon{
  width:56px;
  height:56px;
  border-radius:50%;
  background:var(--accent-light);
  color:var(--accent);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:24px;
  margin:0 auto 18px;
}
.br-card h3{
  margin:0 0 10px;
  font-size:17px;
  color:var(--ink);
}
.br-card p{
  margin:0;
  color:var(--ink-weak);
  font-size:14px;
  line-height:1.75;
  min-height:0;
}
.br-card a{
  display:inline-block;
  margin-top:16px;
  font-size:14px;
  font-weight:600;
  color:var(--accent);
}
.br-card a:hover i{margin-left:6px;}

/* ===== Footer ===== */
.site-footer{
  background:var(--primary);
  color:rgba(255,255,255,.8);
  padding:72px 0 0;
}
.site-footer .brand-name{
  color:#fff;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.25fr .75fr .75fr 1fr;
  gap:30px;
  padding-bottom:48px;
}
.footer-brand .brand-logo{margin-bottom:20px}
.footer-brand p{
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.66);
  text-align:left;
}
.footer-col-title{
  color:#fff;
  font-size:16px;
  font-weight:500;
  margin-bottom:18px;
  padding-bottom:8px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-links a{
  color:rgba(255,255,255,.65);
  font-size:14px;
  line-height:1.7;
}
.footer-links a:hover{
  color:var(--accent);
  padding-left:6px;
}
.footer-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.footer-tags span{
  border:1px solid rgba(255,255,255,.18);
  border-radius:50px;
  padding:5px 13px;
  font-size:12px;
  color:rgba(255,255,255,.7);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.13);
  padding:20px 0;
  font-size:13px;
  color:rgba(255,255,255,.45);
  text-align:center;
}
.footer-bottom .dot{
  color:rgba(255,255,255,.3);
}

/* ===== 右侧边栏 ===== */
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:10px;
  padding:22px;
  margin-bottom:18px;
}
.side-card h3{
  font-size:16px;
  font-weight:600;
  color:var(--primary);
  margin-bottom:14px;
}
.faq-mini-list li{
  padding:10px 0;
  border-bottom:1px solid #EDEFE9;
  font-size:14px;
  line-height:1.6;
}
.faq-mini-list li a{color:var(--ink)}
.faq-mini-list li a:hover{color:var(--accent)}

/* ===== 页面面包屑 ===== */
.page-breadcrumb{
  padding:22px 0 0;
  font-size:13px;
  color:var(--ink-weak);
}
.breadcrumb-container{
  max-width:1220px;
  margin:0 auto;
  padding:0 24px;
}
.page-breadcrumb a{
  color:var(--ink-weak);
}
.page-breadcrumb a:hover{color:var(--primary)}
.page-breadcrumb i{
  font-size:11px;
  color:#ABB4AF;
  padding:0 6px;
}
.current-part{
  color:var(--ink);
}

/* ===== 侧边入口卡 ===== */
.font-list-side{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.font-item{
  display:flex;
  gap:14px;
  align-items:center;
}
.font-img{
  width:66px;
  height:66px;
  border-radius:8px;
  overflow:hidden;
  flex-shrink:0;
  background:var(--bg-soft);
  position:relative;
}
.font-img img{width:100%;height:100%;object-fit:cover}
.font-info p{
  margin:0;
  font-size:14px;
  line-height:1.68;
  color:var(--ink-weak);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

/* ===== 相关声明 ===== */
.cn-bottom{
  background:var(--bg);
  padding:0 0 20px;
}

/* ===== 移动端菜单 ===== */
@media (max-width:640px){
  .top-info .hide-mobile{
    display:none;
  }
  .header-main{
    flex-wrap:wrap;
    padding:14px 16px;
    gap:10px;
  }
  .brand-logo{
    min-width:0;
    flex:1;
  }
  .brand-name{font-size:17px}
  .nav-toggle{
    display:flex;
    order:2;
    margin-left:auto;
  }
  .header-actions{
    margin-left:auto;
    order:1;
  }
  .header-actions .header-link{
    display:none;
  }
  .entry-btn{
    padding:0 16px;
    height:40px;
    font-size:13px;
    gap:5px;
  }
  .entry-btn .entry-label{
    display:none;
  }
  .header-search{
    order:4;
    flex-basis:100%;
    max-width:none;
    margin:4px 0 12px;
  }
  .search-btn span{
    display:none;
  }
  .search-btn{
    padding:0 18px;
  }
  .main-nav{
    display:none;
    border-bottom:1px solid var(--line);
    box-shadow:0 10px 20px rgba(0,0,0,.05);
  }
  .main-nav.open{
    display:block;
  }
  .nav-list{
    flex-direction:column;
    gap:0;
    padding:8px 0;
  }
  .nav-link{
    height:46px;
    padding:0 16px;
    display:block;
    border-left:3px solid transparent;
  }
  .nav-link::after{
    display:none;
  }
  .nav-link:hover,.nav-link.active{
    border-left-color:var(--accent);
    background:var(--accent-light);
    color:var(--accent);
    font-weight:500;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:28px;
    padding-bottom:30px;
  }
  .footer-bottom .dot{
    display:block;
    margin:4px 0;
  }
  .cat-hero{
    padding:46px 0 60px;
  }
  .cat-hero-grid .small-hero-right{
    display:none;
  }
  .content-section{
    padding:44px 0 56px;
  }
  .cta-inner{
    padding:38px 22px;
    margin:0 12px;
  }
  .br-grid{
    grid-template-columns:1fr;
    gap:14px;
  }
}

@media (max-width:640px){
  .page-container{
    padding:0 16px;
  }
  .nav-inner{
    padding:0 16px;
  }
  .search-box{
    height:48px;
  }
  .news-card{
    flex-direction:column;
  }
  .news-thumb{
    width:100%;
    height:0;
    padding-bottom:52%;
    position:relative;
    flex-shrink:0;
  }
  .news-thumb img{
    width:100%;
    height:100%;
    object-fit:cover;
    position:absolute;
    inset:0;
  }
  .news-content{
    padding:18px 16px 16px;
  }
  .news-desc{
    -webkit-line-clamp:3;
  }
  .news-arrow{
    display:none;
  }
  .section-title{
    font-size:1.5rem;
  }
  .timeline-section{
    padding:54px 0;
  }
}

/* 平板调整 */
@media (min-width:641px) and (max-width:1024px){
  .header-main{
    flex-wrap:wrap;
  }
  .header-search{
    order:3;
    flex-basis:100%;
    max-width:600px;
    margin-top:10px;
  }
  .brand-logo{
    min-width:0;
  }
  .header-actions{
    margin-left:auto;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:30px;
  }
  .cat-hero-grid{
    grid-template-columns:1fr;
  }
  .hero-search-card{
    max-width:100%;
  }
  .nav-list{
    gap:16px;
  }
  .nav-link{
    font-size:15px;
    height:50px;
  }
  .content-section{
    padding:46px 0 54px;
    .news-card{
      flex-direction:row;
    }
    .news-thumb{
      width:170px;
      min-height:150px;
    }
  }
}

@media (min-width:641px) and (max-width:1024px){
  .br-grid{
    grid-template-columns:1fr;
    gap:16px;
  }
}

@media (min-width:1025px){
  .footer-bottom{
    text-align:center;
  }
}

/* 强制全局焦点可访问 */
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:3px solid rgba(240,100,26,.6);
  outline-offset:2px;
}
/* 减少动效 */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation:none !important;
    transition:none !important;
  }
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root {
    --brand: #0B2B21;
    --brand-deep: #071E17;
    --brand-soft: #103F30;
    --accent: #F0641A;
    --bg: #F7F5F0;
    --card: #FFFFFF;
    --soft: #EFECE4;
    --text: #14211D;
    --muted: #6B7B74;
    --line: #E3E5DF;
    --radius: 14px;
    --radius-sm: 9px;
    --shadow-sm: 0 1px 3px rgba(11, 43, 33, .06);
    --shadow-md: 0 16px 40px rgba(11, 43, 33, .08);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
    font-size: 16px;
    line-height: 1.75;
    color: var(--text);
    background: var(--bg);
}

h1, h2, h3, h4, p, ul, ol, figure, blockquote, dl, dd {
    margin: 0;
}

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

a {
    color: var(--brand);
    text-decoration: none;
    transition: color .2s ease, border-color .2s ease, background .2s ease;
}

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

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

button, input, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

button { cursor: pointer; }

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 24px;
}

th, td {
    border: 1px solid var(--line);
    padding: 10px 14px;
    text-align: left;
}

th { background: var(--soft); font-weight: 600; }

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--brand);
    color: #fff;
    padding: 10px 18px;
    z-index: 9999;
}

.skip-link:focus {
    left: 12px;
    top: 12px;
    color: #fff;
}

.page-container {
    width: 100%;
    max-width: 1240px;
    margin-right: auto;
    margin-left: auto;
    padding-right: 24px;
    padding-left: 24px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .97);
    border-bottom: 1px solid var(--line);
}

.header-toolbar {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    padding: 12px 0;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 11px;
    min-width: 0;
    text-decoration: none;
}

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

.brand-mark {
    width: 42px;
    height: 42px;
    flex: none;
    border-radius: 12px;
    background: var(--brand);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.brand-mark span {
    display: block;
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 4px 2px 6px 2px;
    transform: rotate(-14deg);
    box-shadow: 8px -7px 0 -3px rgba(255, 255, 255, .9);
}

.brand-name {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: .4px;
    color: var(--brand);
    white-space: nowrap;
}

.header-search {
    flex: 1 1 auto;
    max-width: 760px;
    height: 54px;
    display: flex;
    align-items: center;
    background: #FCFDFB;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 5px 6px 5px 20px;
    box-shadow: 0 1px 6px rgba(11, 43, 33, .04);
    transition: border-color .2s ease, box-shadow .2s ease;
}

.header-search:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(240, 100, 26, .14);
}

.header-search svg {
    flex: none;
    color: var(--muted);
}

.header-search input {
    flex: 1 1 auto;
    width: auto;
    min-width: 0;
    height: 42px;
    border: 0;
    background: transparent;
    outline: none;
    padding: 0 0 0 11px;
    font-size: 16px;
    color: var(--text);
}

.header-search button {
    flex: none;
    height: 44px;
    padding: 0 24px;
    border: 0;
    border-radius: 999px;
    background: var(--brand);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    transition: background .2s ease, transform .2s ease;
}

.header-search button:hover {
    background: var(--accent);
    transform: translateY(-1px);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 46px;
    padding: 0 24px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 16px;
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
    text-align: center;
    transition: background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.btn:focus-visible,
.header-search button:focus-visible,
.nav-link:focus-visible,
.tag-chip:focus-visible {
    outline: 3px solid rgba(240, 100, 26, .4);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    box-shadow: 0 10px 24px rgba(240, 100, 26, .22);
}

.btn-primary:hover {
    background: #D8530E;
    border-color: #D8530E;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(240, 100, 26, .26);
}

.btn-outline {
    background: transparent;
    border-color: #C4D1CA;
    color: var(--brand);
}

.btn-outline:hover {
    border-color: var(--brand);
    color: var(--brand);
    transform: translateY(-2px);
}

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

.btn-ghost:hover {
    background: #E5E0D6;
    color: var(--brand);
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

.menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    color: var(--brand);
}

.menu-toggle .bar {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--brand);
    margin: 3px 0;
    border-radius: 2px;
}

.main-nav {
    background: var(--brand);
    border-radius: 0;
}

.nav-inner {
    max-width: 1240px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 24px;
}

.nav-list {
    display: flex;
    gap: 2px;
    margin: 0;
}

.nav-item { flex: none; }

.nav-link {
    position: relative;
    display: block;
    padding: 0 20px;
    line-height: 48px;
    color: rgba(255, 255, 255, .9);
    font-size: 16px;
    font-weight: 500;
    letter-spacing: .2px;
    transition: color .2s ease;
}

.nav-link:after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 0;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform .18s ease;
}

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

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

.article-hero {
    position: relative;
    color: #fff;
    padding: 58px 0 64px;
    background-size: cover;
    background-position: center;
    background-color: var(--brand);
}

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

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, .68);
    font-size: 14px;
    margin-bottom: 22px;
}

.breadcrumb a {
    color: rgba(255, 255, 255, .8);
}

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

.breadcrumb-sep {
    display: inline-block;
    color: rgba(255, 255, 255, .4);
}

.article-title {
    max-width: 1000px;
    font-size: clamp(1.9rem, 2.4vw + 1.2rem, 3.1rem);
    font-weight: 700;
    line-height: 1.28;
    color: #fff;
    letter-spacing: -.2px;
    text-wrap: balance;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 22px;
    margin-top: 18px;
    color: rgba(255, 255, 255, .75);
    font-size: 14px;
}

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

.article-meta .meta-tag {
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .14);
    padding: 3px 12px;
    border-radius: 999px;
    font-size: 13px;
}

.article-section {
    padding: 52px 0 84px;
    background: var(--bg);
}

.article-layout {
    align-items: flex-start;
}

.article-main {
    min-width: 0;
}

.article-panel {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow-sm);
    padding: clamp(24px, 4vw, 52px);
}

.article-content {
    font-size: 17px;
    line-height: 2;
    color: var(--text);
    word-break: break-word;
}

.article-content > * + * {
    margin-top: 18px;
}

.article-content h2 {
    position: relative;
    margin: 46px 0 20px;
    padding-bottom: 12px;
    font-size: 1.65rem;
    font-weight: 700;
    color: var(--brand);
    line-height: 1.45;
}

.article-content h2:before {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 52px;
    height: 3px;
    background: var(--accent);
    border-radius: 4px;
}

.article-content h3 {
    margin: 30px 0 14px;
    font-size: 1.32rem;
    font-weight: 700;
    color: var(--brand);
    line-height: 1.5;
}

.article-content h4 {
    margin: 24px 0 10px;
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--text);
}

.article-content p {
    margin-bottom: 0;
}

.article-content a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-color: rgba(240, 100, 26, .35);
}

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

.article-content ul,
.article-content ol {
    padding-left: 1.45em;
    margin-bottom: 0;
}

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

.article-content ol {
    list-style: decimal;
}

.article-content li {
    margin-bottom: 8px;
    padding-left: 4px;
}

.article-content blockquote {
    background: var(--soft);
    border-left: 4px solid var(--accent);
    padding: 18px 24px;
    border-radius: 0 12px 12px 0;
    color: var(--text);
    font-style: normal;
}

.article-content blockquote p {
    line-height: 1.9;
}

.article-content img {
    border-radius: 14px;
    margin: 26px 0;
    border: 1px solid var(--line);
}

.article-content table {
    font-size: 15px;
    line-height: 1.6;
    background: #fff;
}

.article-content .table-wrap {
    overflow-x: auto;
}

.article-content hr {
    border: 0;
    height: 1px;
    background: var(--line);
    margin: 36px 0;
}

.article-content code {
    background: var(--soft);
    border-radius: 5px;
    padding: 2px 7px;
    font-size: .9em;
    color: var(--brand);
}

.article-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    border-top: 1px solid var(--line);
    margin-top: 42px;
    padding-top: 28px;
}

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

.article-bottom-note {
    font-size: 13px;
    color: var(--muted);
}

.article-aside {
    min-width: 0;
    align-self: flex-start;
}

.aside-inner {
    position: sticky;
    top: 150px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.side-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.side-card-media {
    overflow: hidden;
    border-radius: var(--radius);
    margin-bottom: 18px;
}

.side-card-media img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.side-card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--brand);
    margin-bottom: 12px;
}

.side-desc {
    font-size: 14px;
    line-height: 1.85;
    color: var(--muted);
    margin-bottom: 16px;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--soft);
    border: 1px solid transparent;
    color: var(--brand);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 14px;
    transition: background .2s ease, border-color .2s ease, color .2s ease;
}

.tag-chip:hover {
    background: #fff;
    border-color: var(--brand);
    color: var(--brand);
}

.side-note-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 0;
}

.side-note-list li {
    position: relative;
    padding-left: 18px;
    font-size: 14px;
    line-height: 1.8;
    color: var(--text);
}

.side-note-list li:before {
    content: "";
    position: absolute;
    left: 0;
    top: 12px;
    width: 7px;
    height: 7px;
    background: var(--accent);
    border-radius: 50%;
}

.not-found-section {
    padding: 96px 0;
    min-height: 62vh;
}

.not-found-card {
    max-width: 560px;
    margin: 0 auto;
    background: #fff;
    border: 1px dashed #CFD8D2;
    border-radius: 20px;
    text-align: center;
    padding: 54px 40px;
}

.not-found-card .nf-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 64px;
    padding: 0 26px;
    background: var(--soft);
    color: var(--brand);
    border-radius: 999px;
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 22px;
}

.not-found-card h1 {
    font-size: 28px;
    color: var(--brand);
}

.not-found-card p {
    margin: 14px 0 26px;
    color: var(--muted);
}

.site-footer {
    background: var(--brand);
    color: rgba(255, 255, 255, .78);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.7fr 1fr 1fr 1.5fr;
    gap: 46px;
    padding: 60px 0 44px;
}

.footer-brand .brand-logo {
    margin-bottom: 16px;
}

.footer-brand .brand-name {
    color: #fff;
}

.footer-grid a {
    color: rgba(255, 255, 255, .76);
}

.footer-grid a:hover {
    color: #fff;
}

.footer-brand p {
    max-width: 320px;
    font-size: 14px;
    line-height: 1.9;
    color: rgba(255, 255, 255, .58);
    margin-top: 14px;
}

.footer-col-title {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
}

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

.footer-links a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 14px;
    width: fit-content;
}

.footer-links a:before {
    content: "";
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
    flex: none;
}

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

.footer-tags span {
    display: inline-flex;
    background: rgba(255, 255, 255, .1);
    border-radius: 999px;
    padding: 5px 12px;
    font-size: 13px;
    color: rgba(255, 255, 255, .7);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding: 18px 0;
    font-size: 13px;
    color: rgba(255, 255, 255, .45);
}

.footer-bottom .page-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.footer-bottom .dot {
    margin: 0 4px;
    color: rgba(255, 255, 255, .3);
}

@media (max-width: 1024px) {
    .header-search { max-width: none; }

    .brand-name { font-size: 20px; }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }

    .article-layout { align-items: stretch; }

    .aside-inner { position: static; }
}

@media (max-width: 640px) {
    .page-container {
        padding-right: 16px;
        padding-left: 16px;
    }

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

    .brand-logo {
        flex: 1 1 auto;
        margin-right: auto;
    }

    .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 10px;
    }

    .brand-name {
        font-size: 19px;
        letter-spacing: .2px;
        white-space: normal;
        line-height: 1.2;
    }

    .header-actions { display: none; }

    .menu-toggle {
        display: inline-flex;
        order: 2;
        margin-left: 0;
    }

    .header-search {
        order: 3;
        flex-basis: 100%;
        max-width: none;
        height: 50px;
        margin-top: 4px;
        padding-left: 16px;
    }

    .header-search input {
        font-size: 16px;
        height: 40px;
    }

    .header-search button {
        height: 40px;
        padding: 0 18px;
        font-size: 14px;
    }

    .main-nav {
        position: relative;
        max-height: 0;
        overflow: hidden;
        transition: max-height .25s ease;
    }

    .main-nav.is-open {
        max-height: 560px;
    }

    .nav-inner {
        padding: 6px 16px 16px;
    }

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

    .nav-link {
        line-height: 46px;
        padding: 0 4px;
        border-bottom: 1px solid rgba(255, 255, 255, .08);
    }

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

    .nav-link.active,
    .nav-link:hover {
        color: #fff;
        border-bottom-color: rgba(255, 255, 255, .16);
    }

    .article-hero {
        padding: 32px 0 38px;
    }

    .article-title {
        font-size: 1.65rem;
        line-height: 1.35;
    }

    .article-meta {
        gap: 8px 14px;
        font-size: 13px;
    }

    .article-section {
        padding: 28px 0 52px;
    }

    .article-panel {
        padding: 22px 18px;
        border-radius: 14px;
    }

    .article-content {
        font-size: 16px;
        line-height: 1.95;
    }

    .article-content h2 {
        font-size: 1.35rem;
    }

    .article-content h3 {
        font-size: 1.15rem;
    }

    .article-content blockquote {
        padding: 14px 18px;
    }

    .article-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .bottom-links {
        width: 100%;
    }

    .not-found-section {
        padding: 52px 0 70px;
        min-height: 40vh;
    }

    .not-found-card {
        padding: 34px 20px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 40px 0 24px;
    }

    .footer-brand p {
        max-width: 100%;
    }

    .footer-bottom .page-container {
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        text-align: left;
    }
}

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

/* roulang page: category2 */
:root{
  --primary:#0E3D2E;
  --primary-deep:#0B2B21;
  --accent:#F0641A;
  --accent-dark:#D9540F;
  --page-bg:#F5F3EE;
  --card-bg:#FFFFFF;
  --soft-bg:#EFECE4;
  --text:#14211D;
  --muted:#6B7B74;
  --border:#E1E5DD;
  --white:#FFFFFF;
  --radius-lg:16px;
  --radius:12px;
  --radius-sm:8px;
  --shadow-sm:0 2px 10px rgba(20,33,29,.05);
  --shadow-md:0 16px 40px rgba(20,33,29,.09);
  --space-xxl:110px;
  --space-xl:88px;
  --space-lg:60px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--page-bg);
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  min-height:100vh;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,textarea{font:inherit}
button{cursor:pointer}
.page-container{max-width:1220px;margin:0 auto;padding-left:22px;padding-right:22px}
.section-inner{padding:var(--space-xl) 0}
section[id],div[id]{scroll-margin-top:90px}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  height:46px;
  padding:0 24px;
  border-radius:46px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:background .25s ease,color .25s ease,transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.btn:active{transform:scale(.98)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);color:#fff}
.btn-outline{background:transparent;border-color:rgba(255,255,255,.7);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-ghost{background:transparent;border-color:#D7DED7;color:var(--primary)}
.btn-ghost:hover{border-color:var(--primary);background:var(--primary);color:#fff}
.btn-dark{background:var(--primary);color:#fff}
.btn-dark:hover{background:var(--primary-deep)}
.btn-light{background:#fff;color:var(--primary)}
.btn-light:hover{background:#F0F2EB;color:var(--primary)}

/* Header */
.site-header{
  background:#fff;
  border-bottom:1px solid var(--border);
  position:relative;
  z-index:60;
}
.header-grid{
  display:grid;
  grid-template-columns:minmax(200px,230px) minmax(0,1fr) auto;
  align-items:center;
  gap:18px 26px;
  padding-top:16px;
  padding-bottom:12px;
}
.brand-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:40px;
  height:40px;
  border-radius:50%;
  background:var(--primary);
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  flex-shrink:0;
}
.brand-mark span{
  display:block;
  width:18px;
  height:18px;
  border:3px solid #fff;
  border-radius:50%;
  border-left-color:var(--accent);
}
.brand-name{
  font-size:21px;
  font-weight:700;
  color:var(--primary);
  letter-spacing:.2px;
  line-height:1.2;
  white-space:nowrap;
}
.header-search{min-width:0}
.search-form{
  height:58px;
  background:#fff;
  border:1.5px solid #DDE3DB;
  border-radius:60px;
  max-width:760px;
  margin-left:auto;
  margin-right:auto;
  display:flex;
  align-items:center;
  box-shadow:0 4px 18px rgba(20,33,29,.05);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.search-form:focus-within{
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(240,100,26,.15);
}
.search-icon{
  flex:0 0 18px;
  width:20px;
  height:20px;
  margin-left:22px;
  opacity:.85;
}
.search-input{
  flex:1;
  min-width:0;
  border:0;
  outline:none;
  height:100%;
  padding:0 18px;
  font-size:16px;
  background:transparent;
  color:var(--text);
}
.search-input::placeholder{color:#8A9991;font-size:16px}
.search-button{
  flex-shrink:0;
  height:42px;
  margin-right:7px;
  border-radius:42px;
  border:0;
  padding:0 26px;
  background:var(--primary);
  color:#fff;
  font-weight:600;
  transition:background .25s ease;
}
.search-button:hover{background:var(--primary-deep)}
.header-actions{display:flex;align-items:center;justify-content:flex-end;gap:13px}
.header-cta{
  height:42px;
  font-size:14px;
  padding:0 20px;
  background:#fff;
  border:1px solid #D8DED7;
  color:var(--primary);
  border-radius:42px;
  font-weight:600;
  transition:all .25s ease;
}
.header-cta:hover{
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--border);
  border-radius:12px;
  background:#fff;
  color:var(--primary);
  font-size:20px;
}
.nav-toggle:focus{outline:2px solid var(--accent);outline-offset:2px}
.main-nav{
  border-top:1px solid #E9EDE6;
  background:#fff;
}
.nav-inner{
  max-width:1220px;
  margin:0 auto;
  padding:0 22px;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:4px;
  min-height:52px;
  flex-wrap:nowrap;
}
.nav-item{margin-bottom:0}
.nav-link{
  display:block;
  padding:12px 19px;
  color:#4E5A55;
  font-weight:600;
  font-size:15px;
  position:relative;
  line-height:1.4;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:19px;
  right:19px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{transform:scaleX(1)}

/* Hero */
.category-hero{
  background:#F7F5F0;
  padding:74px 0 60px;
  border-bottom:1px solid #E8E4DC;
}
.cat-hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  align-items:center;
  gap:52px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.6px;
  color:var(--accent);
}
.eyebrow-dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
.category-hero h1{
  font-size:clamp(32px,4.5vw,56px);
  font-weight:700;
  color:var(--primary-deep);
  line-height:1.18;
  letter-spacing:-.5px;
  margin:14px 0 18px;
}
.category-hero h1 span{color:var(--accent)}
.lead{
  font-size:17px;
  color:#39463F;
  max-width:540px;
  margin-bottom:28px;
}
.hero-meta-line{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:9px 18px;
  margin-bottom:30px;
}
.hero-meta-item{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:14px}
.hero-meta-item i{color:var(--accent)}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px}
.hero-visual{
  position:relative;
}
.hero-visual::before{
  content:"";
  position:absolute;
  inset:auto 4% 7% -5%;
  height:68%;
  border-radius:28px;
  background:linear-gradient(135deg,#E6E8DE,#D3DBD2);
  z-index:0;
}
.hero-img-frame{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  box-shadow:var(--shadow-md);
  background:var(--soft-bg);
  line-height:0;
  z-index:1;
}
.hero-img-frame img{width:100%;height:390px;object-fit:cover}
.visual-tag{
  position:absolute;
  right:34px;
  bottom:22px;
  z-index:2;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(6px);
  padding:9px 18px;
  border-radius:100px;
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  box-shadow:0 6px 18px rgba(20,33,29,.12);
}

/* 快速标签 */
.filter-strip{
  background:#fff;
  border-bottom:1px solid var(--border);
}
.filter-inner{
  display:flex;
  align-items:center;
  gap:12px;
  overflow-x:auto;
  padding-top:15px;
  padding-bottom:15px;
  scrollbar-width:none;
}
.filter-inner::-webkit-scrollbar{display:none}
.filter-label{
  font-weight:700;
  color:var(--primary);
  font-size:15px;
  flex-shrink:0;
  margin-right:2px;
}
.tag-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:#F5F3EE;
  border:1px solid transparent;
  color:#46554E;
  font-size:14px;
  font-weight:600;
  border-radius:50px;
  padding:7px 17px;
  white-space:nowrap;
  transition:all .25s ease;
}
.tag-pill i{font-size:13px;color:var(--accent)}
.tag-pill:hover{background:#fff;border-color:#C3CDC5;color:var(--primary)}
.tag-pill.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.tag-pill.active i{color:#fff}

/* Section */
.section-pad{padding:92px 0}
.section-pad-sm{padding:64px 0}
.section-head{
  max-width:760px;
  margin:0 auto 46px;
  text-align:center;
}
.section-kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--accent);
  font-size:14px;
  font-weight:700;
  letter-spacing:1px;
  margin-bottom:9px;
}
.section-kicker::before,.section-kicker::after{
  content:"";
  width:22px;
  height:1px;
  background:var(--accent);
  opacity:.5;
}
.section-head h2{
  font-size:clamp(25px,3vw,37px);
  color:var(--primary-deep);
  line-height:1.3;
  font-weight:700;
  margin-bottom:14px;
}
.section-head p{font-size:16px;color:var(--muted)}
.section-head.left{margin-left:0;margin-right:0;text-align:left}
.section-head.left .section-kicker::before{display:none}

/* 长条导航卡片 */
.directory-list{
  display:flex;
  flex-direction:column;
  gap:20px;
}
.entry-card{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  display:grid;
  grid-template-columns:220px minmax(0,1fr);
  min-height:154px;
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.entry-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
  border-color:#CBD5CC;
}
.entry-thumb{
  position:relative;
  overflow:hidden;
  min-height:150px;
  background:var(--soft-bg);
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.entry-body{padding:22px 26px;display:flex;flex-direction:column;justify-content:center}
.entry-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px 16px;
  margin-bottom:10px;
}
.entry-label{
  background:#E7F0E9;
  color:var(--primary);
  font-size:12px;
  font-weight:700;
  border-radius:30px;
  padding:4px 13px;
}
.entry-note{font-size:13px;color:var(--muted);display:inline-flex;align-items:center;gap:7px}
.entry-note i{color:var(--accent)}
.entry-card h3{
  font-size:19px;
  font-weight:700;
  color:var(--primary-deep);
  margin-bottom:8px;
  line-height:1.5;
}
.entry-card h3 a{transition:color .2s ease}
.entry-card h3 a:hover{color:var(--accent)}
.entry-card p{
  color:#5A6861;
  font-size:15px;
  max-width:700px;
  margin-bottom:14px;
}
.entry-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.meta-date{font-size:14px;color:var(--muted)}
.text-link{
  color:var(--primary);
  font-weight:600;
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:7px;
  transition:color .2s ease,transform .2s ease;
}
.text-link i{transition:transform .2s ease}
.text-link:hover{color:var(--accent)}
.text-link:hover i{transform:translateX(4px)}

/* 大图推荐位 */
.entry-card.featured{
  grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);
  background:var(--primary);
  border-color:var(--primary);
}
.featured .entry-thumb{order:2}
.entry-card.featured .entry-body{background:var(--primary);color:#fff}
.entry-card.featured .entry-label{background:rgba(255,255,255,.14);color:#fff}
.entry-card.featured p{color:#D6E4DD}
.entry-card.featured .meta-date{color:#AEBFB6}
.entry-card.featured .text-link{color:#fff}
.entry-card.featured .text-link:hover{color:var(--accent)}

/* 对比表格 */
.compare-section{
  background:var(--soft-bg);
  border-top:1px solid #E2DDD4;
  border-bottom:1px solid #E2DDD4;
}
.table-scroll{
  overflow-x:auto;
  border-radius:var(--radius);
  border:1px solid #D8DED7;
  background:#fff;
  box-shadow:var(--shadow-sm);
}
.table-responsive table{margin-bottom:0}
.entry-compare-table{
  width:100%;
  border-collapse:collapse;
  background:#fff;
  min-width:720px;
}
.entry-compare-table th{
  background:var(--primary);
  color:#fff;
  text-align:left;
  font-size:14px;
  font-weight:600;
  padding:15px 20px;
  border-bottom:1px solid #1B4A3A;
  white-space:nowrap;
}
.entry-compare-table td{
  padding:18px 20px;
  font-size:15px;
  border-bottom:1px solid #EDEFE8;
  color:#3E4C45;
  vertical-align:top;
  line-height:1.75;
}
.entry-compare-table tr:last-child td{border-bottom:0}
.entry-compare-table tbody tr:hover{background:#FBF9F5}
.table-label{
  color:var(--primary);
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:8px;
  white-space:nowrap;
}
.table-label i{color:var(--accent)}
.table-note{
  font-size:14px;
  color:var(--muted);
  max-width:780px;
  margin:26px auto 0;
  text-align:center;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
}
.table-note i{color:var(--accent)}

/* 步骤 */
.step-wrap{
  display:grid;
  grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);
  align-items:stretch;
  gap:34px;
}
.step-aside{
  background:var(--primary);
  color:#fff;
  border-radius:var(--radius-lg);
  padding:38px 34px;
  position:relative;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.step-aside::after{
  content:"";
  position:absolute;
  width:180px;
  height:180px;
  right:-60px;
  top:-70px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
}
.step-aside h3{
  font-size:27px;
  font-weight:700;
  line-height:1.4;
  margin-bottom:14px;
}
.step-aside p{color:#C9DDD4;font-size:15px}
.step-list{
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.step-item{
  display:grid;
  grid-template-columns:74px minmax(0,1fr);
  gap:20px;
  padding:24px 8px;
  border-bottom:1px solid #E3E5DF;
}
.step-item:last-child{border-bottom:0}
.step-index{
  width:54px;
  height:54px;
  border-radius:16px;
  background:#F1EFE7;
  border:1px solid #E6E4DB;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--accent);
  font-weight:700;
  font-size:20px;
}
.step-item h3{
  color:var(--primary-deep);
  font-size:18px;
  font-weight:700;
  margin-bottom:6px;
}
.step-item p{color:var(--muted);font-size:15px;max-width:640px}

/* 场景区 */
.scenario-section{background:#fff}
.scenario-grid{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:36px;
  align-items:stretch;
}
.scenario-card{
  background:var(--soft-bg);
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid #E3E0D7;
  min-height:280px;
  position:relative;
}
.scenario-card-img{height:250px;background:var(--soft-bg)}
.scenario-card-img img{width:100%;height:100%;object-fit:cover}
.scenario-card-content{
  padding:30px 30px 32px;
  background:var(--primary);
  color:#fff;
}
.scenario-card-content h3{font-size:23px;font-weight:700;margin-bottom:14px}
.scenario-card-content p{color:#D2E1DA;font-size:15px;margin-bottom:20px}
.arrow-go{
  color:var(--accent);
  font-size:14px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.scenario-list{
  display:flex;
  flex-direction:column;
  gap:0;
  justify-content:stretch;
}
.scenario-mini{
  flex:1;
  padding:23px 4px 23px 24px;
  border-left:2px solid #DDDED8;
  transition:border-color .25s ease,background .25s ease;
  border-radius:0 14px 14px 0;
}
.scenario-mini:hover{
  border-left-color:var(--accent);
  background:#F7F5EF;
}
.scenario-mini h3{
  font-size:16px;
  font-weight:700;
  color:var(--primary-deep);
  margin-bottom:7px;
  display:flex;
  align-items:center;
  gap:9px;
}
.scenario-mini h3 i{color:var(--accent);font-size:15px}
.scenario-mini p{font-size:14px;color:var(--muted);line-height:1.7}

/* FAQ */
.faq-section{
  background:#FBF9F5;
  border-top:1px solid #EAE6DE;
  border-bottom:1px solid #EAE6DE;
}
.faq-container{
  max-width:820px;
  margin:0 auto;
}
.faq-line{
  border-bottom:1px solid #DEE2DA;
  transition:background .2s ease;
}
.faq-line:first-child{border-top:1px solid #DEE2DA}
.faq-line:hover{background:#FFFDFA}
.accordion{
  margin:0;
  background:transparent;
  border:0;
}
.accordion .faq-line{list-style:none}
.accordion-title{
  font-size:16px !important;
  color:var(--text) !important;
  background:transparent !important;
  border:0 !important;
  padding:20px 52px 20px 0 !important;
  font-weight:700;
  line-height:1.6;
  display:flex;
  align-items:center;
  position:relative;
}
.accordion-title:focus{outline:none}
.accordion-title::before{
  content:"0" counter(faqnum);
  counter-increment:faqnum;
  color:var(--accent);
  font-size:13px;
  font-weight:800;
  margin-right:16px;
  flex-shrink:0;
}
.faq-line{counter-increment:faqnum}
.accordion-title::after{
  content:"+";
  position:absolute;
  right:6px;
  top:50%;
  transform:translateY(-50%);
  font-size:24px;
  font-weight:400;
  color:var(--accent);
  width:30px;
  height:30px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid #E1E0D9;
  border-radius:50%;
  transition:all .25s ease;
}
.accordion-item.is-active .accordion-title::after{
  content:"−";
  background:var(--accent);
  color:#fff;
  border-color:var(--accent);
}
.accordion-content{
  overflow:hidden;
  border:0 !important;
  background:transparent !important;
  color:var(--muted) !important;
}
.faq-content-inner{
  padding:0 40px 24px 32px;
  color:#56665E;
  font-size:15px;
  border-left:2px solid #E5E6E0;
  margin:0 0 2px 8px;
}
.faq-content-inner a{
  color:var(--primary);
  font-weight:600;
  border-bottom:1px solid rgba(14,61,46,.25);
}
.faq-content-inner a:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* CTA */
.cta-section{
  background-color:#0B2B21;
  background-size:cover;
  background-position:center 20%;
  background-blend-mode:overlay;
  position:relative;
  padding:92px 0;
  text-align:center;
}
.cta-section::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(7,28,21,.66);
}
.cta-inner{
  position:relative;
  z-index:1;
  display:flex;
  flex-direction:column;
  align-items:center;
}
.cta-section .section-kicker{color:#FFB688}
.cta-section .section-kicker::before,.cta-section .section-kicker::after{background:#FFB688}
.cta-section h2{
  color:#fff;
  font-size:clamp(27px,3.4vw,42px);
  font-weight:700;
  line-height:1.3;
  margin-bottom:16px;
}
.cta-desc{
  color:#C3D7CC;
  font-size:17px;
  max-width:650px;
  margin-bottom:34px;
}
.cta-form{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);
  padding:8px;
  border-radius:64px;
  width:100%;
  max-width:850px;
  display:grid;
  grid-template-columns:1fr 1fr minmax(140px,180px);
  gap:8px;
  margin-bottom:18px;
}
.cta-form input{
  height:50px;
  border-radius:50px;
  border:0;
  padding:0 22px;
  background:#fff;
  color:var(--text);
  width:100%;
  outline:none;
  font-size:15px;
}
.cta-form input::placeholder{color:#9BA59F}
.cta-form input:focus{box-shadow:0 0 0 3px rgba(240,100,26,.3)}
.cta-submit{
  height:50px;
  border-radius:50px;
  border:0;
  background:var(--accent);
  color:#fff;
  font-weight:700;
  padding:0 26px;
  transition:background .25s ease;
}
.cta-submit:hover{background:#FF7F3C}
.cta-tip{
  color:#93B1A4;
  font-size:13px;
  max-width:700px;
}

/* Footer */
.site-footer{
  background:#0B2B21;
  color:#BED0C7;
  padding-top:72px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.45fr .85fr 1fr 1.35fr;
  gap:34px 44px;
  padding-bottom:48px;
}
.footer-brand .brand-logo{
  color:#fff;
  margin-bottom:18px;
}
.footer-brand .brand-name{color:#fff}
.footer-brand p{
  color:#8AA79C;
  font-size:14px;
  line-height:1.85;
  max-width:310px;
}
.footer-col-title{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:18px;
  letter-spacing:.4px;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.footer-links a{
  color:#8AA79C;
  font-size:14px;
  line-height:1.5;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.footer-tags span{
  border:1px solid rgba(255,255,255,.14);
  border-radius:50px;
  padding:5px 13px;
  font-size:12px;
  color:#9BB8AC;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  font-size:13px;
  color:#6E897D;
}
.footer-bottom .page-container{
  display:flex;
  flex-wrap:wrap;
  gap:6px 12px;
  justify-content:center;
  align-items:center;
}
.footer-bottom .dot{opacity:.5}

/* 空态通用 */
.empty-placeholder{
  border:1.5px dashed #CBD3CC;
  border-radius:18px;
  text-align:center;
  padding:34px 20px;
  color:var(--muted);
  background:#FBF9F4;
}
.empty-placeholder i{font-size:22px;color:var(--accent);margin-bottom:6px;display:block}
.empty-placeholder span{font-size:14px}

/* reveal */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-inview{opacity:1;transform:none}

/* focus */
a:focus-visible,button:focus-visible{
  outline:3px solid rgba(240,100,26,.55);
  outline-offset:3px;
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
}

/* 响应式 Tablet */
@media (max-width:1024px){
  :root{--space-xl:72px;--space-xxl:84px}
  .header-grid{
    grid-template-columns:1fr auto auto;
    gap:10px 16px;
  }
  .brand-name{font-size:18px}
  .header-search{grid-column:1/-1;grid-row:2;order:3}
  .header-cta{font-size:13px;padding:0 18px;height:40px}
  .category-hero{padding:58px 0 48px}
  .cat-hero-grid{gap:34px}
  .entry-card{grid-template-columns:190px minmax(0,1fr)}
  .entry-card p{font-size:14px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .scenario-grid{grid-template-columns:1fr}
  .step-wrap{grid-template-columns:1fr;gap:20px}
  .step-aside{padding:30px}
  .cta-form{grid-template-columns:1fr 1fr}
  .cta-submit{grid-column:1/-1}
}

/* 响应式 Mobile */
@media (max-width:640px){
  body{font-size:15px;line-height:1.8}
  .page-container{padding-left:16px;padding-right:16px}
  .section-pad{padding:56px 0}
  .header-grid{grid-template-columns:minmax(0,1fr) auto;gap:10px}
  .brand-name{font-size:17px;white-space:normal;letter-spacing:-.2px}
  .brand-mark{width:36px;height:36px}
  .nav-toggle{display:inline-flex}
  .header-cta{display:none}
  .header-search{grid-column:1/-1;grid-row:2;order:3}
  .search-form{height:50px}
  .search-input{font-size:15px}
  .search-input::placeholder{font-size:15px}
  .search-button{height:38px;padding:0 17px;font-size:14px}
  .main-nav{border-top:0}
  .nav-inner{padding:0}
  .nav-list{
    display:none;
    flex-direction:column;
    align-items:stretch;
    border-top:1px solid #E9EDE6;
    background:#fff;
  }
  .nav-item{width:100%}
  .nav-link{
    padding:13px 20px;
    font-size:15px;
    border-bottom:1px solid #EEF1EB;
  }
  .nav-link::after{display:none}
  .nav-link.active{background:#F4F7F1}
  .site-header.mobile-open .nav-list{display:flex}
  .category-hero{padding:46px 0 42px;background-position:center top}
  .cat-hero-grid{grid-template-columns:1fr;gap:28px}
  .category-hero h1{font-size:31px;line-height:1.25}
  .lead{font-size:15px}
  .hero-img-frame img{height:220px}
  .entry-card{
    grid-template-columns:1fr;
    min-height:0;
  }
  .entry-thumb{min-height:130px;height:130px;position:relative}
  .entry-thumb img{position:absolute;inset:0;height:100%}
  .entry-body{padding:18px 18px 20px}
  .entry-card h3{font-size:17px}
  .entry-card p{font-size:14px}
  .entry-card p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:25px}
  .section-head p{font-size:15px}
  .entry-compare-table th,.entry-compare-table td{padding:13px 15px;font-size:14px}
  .step-item{grid-template-columns:64px minmax(0,1fr);gap:14px;padding:16px 0}
  .step-item p{font-size:14px}
  .step-aside h3{font-size:22px}
  .scenario-mini{padding-left:16px}
  .scenario-mini p{font-size:14px}
  .accordion-title{font-size:15px!important;padding-right:42px!important}
  .accordion-title::before{margin-right:11px}
  .faq-content-inner{padding-left:19px;margin-left:0}
  .cta-section{padding:64px 0}
  .cta-form{grid-template-columns:1fr;padding:12px;border-radius:28px}
  .cta-submit{grid-column:auto}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-brand p{max-width:100%}
  .footer-bottom .page-container{text-align:center}
}

/* roulang page: category3 */
:root{
  --brand:#0E3D2E;
  --brand-deep:#0B2B21;
  --brand-soft:#1B5540;
  --accent:#F0641A;
  --accent-deep:#D85A14;
  --bg:#F7F5F0;
  --panel:#EFECE4;
  --card:#FFFFFF;
  --ink:#14211D;
  --muted:#6B7B74;
  --line:#E3E5DF;
  --radius:12px;
  --radius-lg:16px;
  --shadow:0 4px 18px rgba(11,43,33,0.06);
  --shadow-hover:0 12px 30px rgba(11,43,33,0.10);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color .25s ease,border-color .25s ease,background-color .25s ease,box-shadow .25s ease;}
ul,ol,dl,p,figure{margin:0;padding:0}
input,textarea,button,select{font:inherit}
button{border:0;cursor:pointer}
:focus-visible{
  outline:3px solid rgba(240,100,26,.45);
  outline-offset:2px;
}
.page-container{max-width:1220px;margin:0 auto;padding-left:24px;padding-right:24px}
.section-block{padding:84px 0}
.section-block.soft{background:var(--panel)}
.section-heading{
  font-size:clamp(1.8rem,3vw,2.6rem);
  font-weight:600;
  line-height:1.3;
  color:var(--brand-deep);
  letter-spacing:-.02em;
  margin:0;
}
.section-intro{
  margin-top:14px;
  max-width:800px;
  color:var(--muted);
  font-size:16px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--accent);
  font-size:13px;
  letter-spacing:.08em;
  font-weight:600;
  text-transform:uppercase;
  margin-bottom:10px;
}
.eyebrow::before{
  content:"";
  width:20px;
  height:2px;
  background:var(--accent);
}
.site-header{
  background:var(--card);
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:100;
}
.header-grid{
  display:grid;
  grid-template-columns:minmax(190px,auto) minmax(280px,1fr) auto;
  align-items:center;
  gap:20px;
  padding:14px 0;
}
.brand-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:22px;
  font-weight:700;
  color:var(--brand-deep);
  white-space:nowrap;
}
.brand-mark{
  width:34px;
  height:34px;
  border-radius:10px;
  background:var(--brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
}
.brand-mark span{
  width:14px;
  height:14px;
  border:2px solid var(--accent);
  transform:rotate(45deg);
  display:block;
  border-radius:2px;
}
.brand-name{letter-spacing:.02em}
.header-search .search-form{
  display:flex;
  align-items:center;
  padding:6px 6px 6px 18px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--bg);
  transition:border-color .25s ease,box-shadow .25s ease,background-color .25s ease;
}
.header-search .search-form:focus-within{
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(240,100,26,.15);
  background:#fff;
}
.search-input{
  flex:1;
  border:0;
  background:transparent;
  height:44px;
  min-width:0;
  font-size:16px;
  color:var(--ink);
  padding:0;
}
.search-input::placeholder{color:#8A9B94}
.search-input:focus{outline:none}
.search-submit{
  height:44px;
  min-width:56px;
  padding:0 18px;
  border-radius:999px;
  background:var(--brand);
  color:#fff;
  font-size:15px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  transition:background-color .25s ease;
}
.search-submit:hover{background:var(--brand-soft)}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
}
.header-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  border:1px solid var(--line);
  border-radius:999px;
  padding:10px 18px;
  font-size:15px;
  font-weight:500;
  color:var(--brand-deep);
  background:#fff;
  transition:border-color .25s ease,background-color .25s ease,color .25s ease;
}
.header-btn:hover{
  border-color:var(--accent);
  color:var(--accent);
}
.nav-switch{
  display:none;
  width:46px;
  height:46px;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  background:var(--panel);
}
.nav-switch svg{width:22px;height:22px}
.main-nav{
  border-top:1px solid var(--line);
  background:var(--card);
}
.nav-inner{
  display:flex;
  align-items:center;
  max-width:1220px;
  margin:0 auto;
  padding:0 24px;
}
.nav-list{
  list-style:none;
  display:flex;
  align-items:center;
  gap:4px;
  margin:0;
  padding:0;
}
.nav-link{
  display:inline-block;
  padding:13px 16px 11px;
  font-size:16px;
  font-weight:500;
  color:var(--ink);
  position:relative;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  bottom:0;
  height:3px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .3s ease;
  border-radius:3px 3px 0 0;
}
.nav-link:hover{color:var(--brand-deep)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{
  color:var(--brand);
  font-weight:600;
}
.nav-link.active::after{transform:scaleX(1)}

.cat-hero{
  background-color:var(--brand-deep);
  background-image:linear-gradient(105deg,rgba(11,43,33,.56),rgba(11,43,33,.80)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.cat-hero-inner{
  display:grid;
  grid-template-columns:1.05fr .9fr;
  gap:48px;
  align-items:center;
  padding:72px 0 64px;
}
.cat-breadcrumb{
  font-size:14px;
  color:#BCD0C6;
  margin-bottom:14px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.cat-breadcrumb span{color:#8BAEA2}
.cat-hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(240,100,26,.16);
  border:1px solid rgba(240,100,26,.55);
  color:#FFD0B8;
  padding:5px 12px;
  border-radius:999px;
  font-size:13px;
  margin-bottom:18px;
  letter-spacing:.03em;
}
.cat-hero h1{
  font-size:clamp(2.0rem,4vw,3.2rem);
  line-height:1.2;
  font-weight:600;
  color:#fff;
  margin:0 0 20px;
  letter-spacing:-.02em;
}
.cat-hero-lead{
  color:#D3E2DB;
  font-size:17px;
  max-width:620px;
  margin:0 0 26px;
}
.chip-line{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:0 0 28px;
}
.hero-chip{
  font-size:14px;
  color:#E6EFEB;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  padding:5px 12px;
  border-radius:999px;
}
.hero-btns{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  height:50px;
  padding:0 24px;
  font-size:16px;
  font-weight:600;
  transition:transform .25s ease,box-shadow .25s ease,background-color .25s ease,color .25s ease,border-color .25s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 10px 24px rgba(240,100,26,.22);
}
.btn-primary:hover{
  background:var(--accent-deep);
  color:#fff;
}
.btn-outline-light{
  border:1px solid rgba(255,255,255,.5);
  color:#fff;
  background:rgba(255,255,255,.04);
}
.btn-outline-light:hover{
  border-color:#fff;
  background:rgba(255,255,255,.1);
  color:#fff;
}
.btn-outline-dark{
  background:#fff;
  border:1px solid var(--line);
  color:var(--brand-deep);
}
.btn-outline-dark:hover{
  border-color:var(--brand);
  color:var(--brand);
  box-shadow:var(--shadow-hover);
}
.cat-hero-visual{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  box-shadow:0 24px 50px rgba(0,0,0,.28);
}
.cat-hero-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(200deg,rgba(11,43,33,0),rgba(11,43,33,.5));
}
.cat-hero-visual img{
  width:100%;
  height:100%;
  min-height:300px;
  object-fit:cover;
}
.hero-visual-note{
  position:absolute;
  left:18px;
  bottom:16px;
  z-index:2;
  color:#fff;
  font-size:15px;
  background:rgba(11,43,33,.55);
  backdrop-filter:blur(6px);
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.22);
}
.hero-index-card{
  position:absolute;
  right:12px;
  top:12px;
  background:rgba(240,100,26,.92);
  color:#fff;
  font-size:12px;
  padding:6px 12px;
  border-radius:999px;
  z-index:2;
  font-weight:600;
  letter-spacing:.05em;
}

.steps-wrap{
  padding:24px 0 6px;
}
.step-item{
  display:grid;
  grid-template-columns:130px 1fr 260px;
  gap:28px;
  align-items:start;
  padding:34px 0;
  border-bottom:1px solid var(--line);
}
.step-item:first-child{border-top:1px solid var(--line)}
.step-number{
  font-size:4rem;
  font-weight:700;
  color:var(--accent);
  line-height:1;
  font-family:"Noto Sans SC",sans-serif;
  letter-spacing:-.04em;
  opacity:.9;
  position:relative;
}
.step-number small{
  display:block;
  font-size:14px;
  color:var(--muted);
  font-weight:500;
  margin-top:6px;
  letter-spacing:.08em;
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
}
.step-content h3{
  font-size:1.3rem;
  font-weight:600;
  color:var(--brand-deep);
  margin:4px 0 8px;
}
.step-content p{
  color:var(--muted);
  font-size:16px;
  max-width:640px;
}
.step-tip{
  background:#FBF4EF;
  border:1px solid #F5DCCB;
  border-radius:10px;
  padding:14px 16px;
  font-size:14px;
  color:#805337;
  line-height:1.6;
}
.step-tip strong{color:var(--accent-deep)}

.quick-list-header{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:30px;
}
.quick-grid-lines{
  border-top:1px solid var(--line);
}
.quick-row-card{
  display:grid;
  grid-template-columns:210px 1fr;
  gap:0;
  background:var(--card);
  border-left:3px solid transparent;
  border-bottom:1px solid var(--line);
  transition:background-color .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.quick-row-card:last-child{border-bottom:0}
.quick-row-card:hover{
  background:#FFFDF8;
  border-left-color:var(--accent);
  box-shadow:var(--shadow);
}
.quick-row-thumb{
  min-height:190px;
  overflow:hidden;
}
.quick-row-thumb img{
  width:100%;
  height:100%;
  min-height:190px;
  object-fit:cover;
  transition:transform .4s ease;
}
.quick-row-card:hover .quick-row-thumb img{transform:scale(1.04)}
.quick-row-body{
  padding:26px 34px;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  justify-content:center;
}
.quick-row-body .quick-meta{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:8px;
}
.quick-tag{
  font-size:12px;
  background:var(--panel);
  color:var(--brand);
  padding:3px 10px;
  border-radius:999px;
  font-weight:500;
}
.quick-row-body h3{
  font-size:1.35rem;
  font-weight:600;
  color:var(--ink);
  margin:0 0 10px;
}
.quick-row-body p{
  color:var(--muted);
  margin:0 0 18px;
  max-width:720px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--accent-deep);
}
.text-link svg{width:16px;height:16px;transition:transform .25s ease}
.text-link:hover{color:var(--brand-deep)}
.text-link:hover svg{transform:translateX(4px)}

.notice-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:36px 38px;
  display:grid;
  grid-template-columns:150px 1fr;
  gap:30px;
}
.notice-icon{
  width:64px;
  height:64px;
  border-radius:18px;
  background:var(--brand-deep);
  color:var(--accent);
  display:flex;
  align-items:center;
  justify-content:center;
}
.notice-icon svg{width:28px;height:28px}
.notice-content h3{
  color:var(--brand-deep);
  font-size:1.3rem;
  margin:0 0 10px;
  font-weight:600;
}
.notice-content p{
  color:var(--muted);
  margin-bottom:10px;
  max-width:860px;
}
.notice-content p:last-child{margin-bottom:0}
.notice-badges{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
}
.notice-badges span{
  font-size:13px;
  color:var(--ink);
  background:var(--panel);
  padding:4px 12px;
  border-radius:999px;
}

.faq-panel{
  max-width:860px;
}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item:first-child{
  border-top:1px solid var(--line);
}
.faq-details summary{
  list-style:none;
  display:flex;
  align-items:center;
  gap:18px;
  padding:24px 4px;
  cursor:pointer;
  font-size:17px;
  font-weight:600;
  color:var(--brand-deep);
  transition:color .25s ease;
}
.faq-details summary::-webkit-details-marker{display:none}
.faq-details summary:hover{color:var(--accent-deep)}
.faq-index{
  font-size:14px;
  color:var(--accent);
  font-weight:600;
  letter-spacing:.06em;
  width:30px;
}
.faq-icon{
  margin-left:auto;
  width:30px;
  height:30px;
  border-radius:50%;
  background:var(--panel);
  display:flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
  transition:transform .3s ease,background-color .3s ease;
}
.faq-icon svg{width:14px;height:14px}
.faq-details[open] .faq-icon{
  background:var(--accent);
  transform:rotate(45deg);
}
.faq-answer{
  padding:0 4px 26px 52px;
  max-width:760px;
  color:var(--muted);
}
.faq-answer p{
  margin:0 0 12px;
}
.faq-answer p:last-child{margin-bottom:0}
.faq-answer a{
  color:var(--accent-deep);
  border-bottom:1px solid rgba(240,100,26,.4);
}
.faq-answer a:hover{
  color:var(--brand-deep);
  border-bottom-color:var(--brand-deep);
}

.cta-block{
  background-color:var(--brand-deep);
  background-image:linear-gradient(135deg,rgba(11,43,33,.82),rgba(14,61,46,.62)),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:#fff;
}
.cta-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:52px;
  align-items:center;
}
.cta-title{
  font-size:clamp(1.8rem,3vw,2.6rem);
  line-height:1.25;
  font-weight:600;
  color:#fff;
  margin:0 0 16px;
}
.cta-copy{
  color:#CFDED6;
  font-size:16px;
  max-width:540px;
}
.cta-form{
  background:#fff;
  color:var(--ink);
  border-radius:18px;
  padding:30px;
  box-shadow:0 24px 60px rgba(0,0,0,.2);
}
.cta-form-title{
  font-size:20px;
  font-weight:600;
  color:var(--brand-deep);
  margin-bottom:4px;
}
.cta-form-sub{
  font-size:14px;
  color:var(--muted);
  margin-bottom:20px;
}
.form-group{margin-bottom:16px}
.form-group label{
  display:block;
  font-size:13px;
  font-weight:600;
  margin-bottom:6px;
  color:var(--brand-deep);
}
.form-control{
  width:100%;
  height:46px;
  border:1px solid var(--line);
  border-radius:10px;
  padding:0 14px;
  background:#FBFBF9;
  font-size:15px;
  color:var(--ink);
  transition:border-color .25s ease,box-shadow .25s ease;
}
textarea.form-control{
  height:auto;
  min-height:90px;
  padding:12px 14px;
  resize:vertical;
}
.form-control:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(240,100,26,.12);
  background:#fff;
}
.form-submit{
  width:100%;
  height:50px;
  border-radius:12px;
  background:var(--accent);
  color:#fff;
  font-size:16px;
  font-weight:600;
  transition:background-color .25s ease,transform .25s ease;
}
.form-submit:hover{
  background:var(--accent-deep);
  transform:translateY(-2px);
}
.form-note{
  text-align:center;
  font-size:13px;
  color:#8A9B94;
  margin-top:12px;
}

.site-footer{
  background:var(--brand-deep);
  color:#DBE7E1;
  margin-top:0;
}
.site-footer a{color:#DBE7E1}
.site-footer a:hover{color:var(--accent)}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.5fr;
  gap:40px;
  padding:60px 0 48px;
}
.footer-brand .brand-logo{
  color:#fff;
  font-size:20px;
}
.footer-brand p{
  color:#8AA79C;
  font-size:14px;
  line-height:1.8;
  margin-top:16px;
  max-width:340px;
}
.footer-col-title{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:.04em;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:11px;
}
.footer-links a{
  font-size:14px;
  color:#A7BBB2;
}
.footer-links a:hover{color:#fff}
.footer-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.footer-tags span{
  font-size:13px;
  color:#A7BBB2;
  border:1px solid rgba(255,255,255,.14);
  padding:4px 12px;
  border-radius:999px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  font-size:14px;
  color:#739086;
  background:rgba(0,0,0,.14);
}
.footer-bottom .page-container{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.footer-bottom .dot{
  color:#4D6B5F;
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

@media(max-width:1024px){
  .section-block{padding:68px 0;}
  .header-grid{grid-template-columns:auto 1fr auto;gap:14px}
  .header-search .search-form{border-radius:999px}
  .cat-hero-inner{grid-template-columns:1fr;padding:48px 0}
  .cat-hero-visual{max-width:680px}
  .step-item{grid-template-columns:96px 1fr;gap:18px}
  .step-tip{grid-column:1/3}
  .quick-row-card{grid-template-columns:170px 1fr}
  .quick-row-body{padding:22px 24px}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:640px){
  body{font-size:15px}
  .page-container{padding:0 18px}
  .section-block{padding:56px 0}
  .header-grid{
    grid-template-columns:1fr auto;
    row-gap:12px;
    padding:12px 0;
  }
  .brand-logo{font-size:18px}
  .brand-mark{width:30px;height:30px}
  .header-search{grid-column:1/-1;order:3}
  .header-actions{display:none}
  .nav-switch{
    display:inline-flex;
    background:var(--panel);
  }
  .nav-inner{
    padding:0;
    display:block;
  }
  .nav-list{
    display:none;
    flex-direction:column;
    align-items:flex-start;
    padding:4px 12px 12px;
    border-top:1px solid var(--line);
    background:var(--card);
  }
  .nav-list.is-open{
    display:flex;
  }
  .nav-link{
    display:block;
    width:100%;
    padding:12px 14px;
    font-size:16px;
  }
  .nav-link::after{
    display:none;
  }
  .nav-link.active{
    color:var(--accent-deep);
    background:var(--panel);
    border-radius:8px;
  }
  .cat-hero-inner{padding:32px 0 42px;gap:32px}
  .cat-hero h1{font-size:1.85rem}
  .cat-hero-lead{font-size:16px}
  .hero-btns .btn{padding:0 18px;height:46px;font-size:15px}
  .cat-hero-visual img{min-height:180px}
  .quick-list-header{align-items:flex-start}
  .quick-row-card{grid-template-columns:1fr}
  .quick-row-thumb{min-height:150px}
  .quick-row-thumb img{min-height:150px}
  .quick-row-body{padding:18px}
  .step-item{grid-template-columns:1fr;gap:12px;padding:24px 0}
  .step-tip{grid-column:auto}
  .step-tip br{display:none}
  .step-number{font-size:3rem}
  .notice-panel{grid-template-columns:1fr;padding:24px}
  .faq-details summary{gap:10px;font-size:16px;padding:20px 0}
  .faq-answer{padding-left:0}
  .cta-form{padding:22px}
  .footer-grid{grid-template-columns:1fr;padding:44px 0}
  .footer-bottom .page-container{flex-direction:column;align-items:flex-start;gap:4px}
}
@media(max-width:360px){
  .brand-logo{white-space:normal}
  .search-submit{min-width:48px;padding:0 12px}
}

/* roulang page: category4 */
:root{
  --primary:#0E3D2E;
  --primary-deep:#0B2B21;
  --primary-soft:#E4EDE9;
  --accent:#F0641A;
  --accent-dark:#D9530F;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --panel:#EFECE4;
  --text:#14211D;
  --muted:#6B7B74;
  --line:#E3E5DF;
  --line-strong:#CDD6D0;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-lg:0 24px 48px rgba(20,33,29,.10);
  --shadow-sm:0 6px 18px rgba(20,33,29,.06);
  --container:1220px;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border:0}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
input::placeholder,textarea::placeholder{color:#93A19C}
.container, .page-container{max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:96px 0}
@media screen and (max-width:1024px){
  .section{padding:72px 0}
}
@media screen and (max-width:640px){
  .section{padding:58px 0}
}

/* Focus / selection */
::selection{background:rgba(240,100,26,.2)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(240,100,26,.55);outline-offset:2px;border-radius:4px}

/* header */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:20}
.header-main{display:flex;align-items:center;gap:18px;padding-top:18px;padding-bottom:16px;position:relative}
.brand-logo{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;background:var(--primary);position:relative;flex:0 0 auto}
.brand-mark span{width:16px;height:16px;border:3px solid var(--accent);border-radius:50%;background:rgba(255,255,255,.18);display:block}
.brand-name{font-size:21px;font-weight:700;color:var(--primary);letter-spacing:.02em;white-space:nowrap}
.search-box{flex:1 1 auto;max-width:650px;margin:0 auto}
.search-form{display:flex;align-items:center;border:2px solid var(--line-strong);border-radius:999px;background:#fff;min-height:52px;transition:border-color .2s ease,box-shadow .2s ease;overflow:hidden}
.search-form:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px rgba(240,100,26,.13)}
.search-icon{color:var(--muted);font-size:16px;padding-left:20px;padding-right:6px}
.search-input{flex:1;min-width:0;border:0;background:transparent;padding:8px 8px 8px 8px;font-size:16px;line-height:1.4;outline:0}
.search-submit{margin:5px;background:var(--primary);color:#fff;border:0;border-radius:999px;min-height:38px;padding:0 22px;font-size:15px;font-weight:600;letter-spacing:.02em;display:inline-flex;align-items:center;gap:8px;transition:background .2s ease,transform .2s ease}
.search-submit:hover{background:var(--primary-deep)}
.search-submit:active{transform:scale(.97)}
.header-extras{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.btn-ghost-header{border:1px solid var(--line-strong);background:#fff;color:var(--text);border-radius:999px;padding:9px 18px;font-size:14px;display:inline-flex;align-items:center;gap:8px;transition:all .2s ease}
.btn-ghost-header:hover{border-color:var(--accent);color:var(--accent)}
.menu-toggle{display:none}
.main-nav{border-top:1px solid var(--line);background:#fff}
.nav-inner{max-width:var(--container);margin:0 auto;padding-left:16px;padding-right:16px}
.nav-list{display:flex;justify-content:center;flex-wrap:wrap;align-items:center}
.nav-item{margin:0 4px}
.nav-link{display:inline-flex;align-items:center;padding:14px 18px;font-size:16px;font-weight:500;color:var(--text);position:relative;transition:color .2s ease}
.nav-link::after{content:"";position:absolute;left:18px;right:18px;bottom:4px;height:3px;border-radius:99px;background:var(--accent);transform:scaleX(0);transform-origin:left center;transition:transform .22s ease}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}

@media screen and (max-width:1024px){
  .header-main{gap:12px}
  .brand-name{font-size:19px}
  .search-submit span{display:none}
  .search-submit{padding:0 16px}
  .nav-link{padding:12px 12px;font-size:15px}
}
@media screen and (max-width:640px){
  .site-header{border-bottom:1px solid var(--line)}
  .header-main{flex-wrap:wrap;padding-top:12px;padding-bottom:12px;gap:10px}
  .brand-logo{order:1;flex:1;min-width:0}
  .brand-mark{width:36px;height:36px;border-radius:10px}
  .brand-name{font-size:18px;white-space:normal;line-height:1.2}
  .menu-toggle{order:2;display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--primary);font-size:18px}
  .search-box{order:3;flex:0 0 100%;max-width:100%;margin:4px 0 0}
  .search-form{min-height:46px}
  .search-input{min-height:44px;font-size:16px}
  .search-submit{min-height:36px}
  .btn-header{display:none}
  .header-extras{display:none}
  .main-nav{display:none;border-top:1px solid var(--line)}
  .main-nav.open{display:block}
  .nav-inner{padding:0 14px 10px}
  .nav-list{display:flex;flex-direction:column;align-items:stretch;gap:0}
  .nav-item{margin:0;border-bottom:1px solid var(--line)}
  .nav-link{display:block;padding:14px 6px;font-size:16px}
  .nav-link::after{display:none}
}

/* hero */
.category-hero{
  position:relative;
  color:#fff;
  background-color:var(--primary-deep);
  background-image:linear-gradient(118deg,rgba(7,32,24,.95) 8%,rgba(15,60,45,.78) 60%,rgba(20,74,56,.68)),url("/assets/images/backpic/back-3.png");
  background-position:center;
  background-size:cover;
  overflow:hidden;
}
.category-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 15%,rgba(240,100,26,.18),transparent 44%)}
.category-hero .container{position:relative;z-index:1}
.hero-inner{display:grid;grid-template-columns:1.16fr .84fr;gap:48px;align-items:center;padding:86px 0}
.hero-copy .eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:6px 14px;border-radius:999px;font-size:14px;letter-spacing:.06em;color:#D7E5DF;margin-bottom:18px}
.hero-copy h1{font-size:clamp(2.2rem,4vw,3.4rem);font-weight:700;line-height:1.3;margin-bottom:20px;letter-spacing:.01em}
.hero-copy h1 .hl{color:#FFA76A}
.hero-copy .lead{font-size:17px;line-height:1.8;color:#D8E8E1;max-width:600px;margin-bottom:30px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;min-height:48px;padding:0 26px;font-size:16px;font-weight:600;border:1px solid transparent;transition:all .2s ease;cursor:pointer}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px)}
.btn-outline-white{border:1px solid rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.05)}
.btn-outline-white:hover{background:#fff;color:var(--primary-deep);transform:translateY(-2px)}
.hero-visual{position:relative}
.hero-visual .img-frame{border-radius:22px;overflow:hidden;border:1px solid rgba(255,255,255,.15);box-shadow:0 30px 60px rgba(0,0,0,.28)}
.hero-visual img{width:100%;height:350px;object-fit:cover}
.hero-note{position:absolute;bottom:-18px;left:-8px;background:#fff;color:var(--text);border-radius:14px;padding:12px 16px;font-size:14px;box-shadow:var(--shadow-lg);display:flex;gap:10px;align-items:center}
.hero-note i{color:var(--accent);font-size:20px}
.hero-note span{line-height:1.45;color:var(--muted)}

@media screen and (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:62px 0 72px}
  .hero-visual .img-frame img{height:280px}
}
@media screen and (max-width:640px){
  .hero-inner{padding:48px 0 58px}
  .hero-copy h1{font-size:2rem}
  .hero-copy .lead{font-size:16px}
  .hero-note{position:static;margin-top:-6px}
  .hero-visual img{height:220px}
}

/* section head */
.section-head{margin-bottom:34px}
.section-kicker{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--accent);letter-spacing:.14em;text-transform:uppercase;margin-bottom:12px}
.section-kicker::before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block}
.section-head h2{font-size:clamp(1.7rem,2.6vw,2.3rem);font-weight:700;line-height:1.4;color:var(--text);letter-spacing:-.01em}
.section-head .desc{max-width:760px;color:var(--muted);font-size:16px;margin-top:12px}

/* tag strip */
.tag-strip{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.tag-chip{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);color:var(--muted);padding:9px 18px;border-radius:999px;font-size:14px;font-weight:500;transition:all .2s ease}
.tag-chip i{font-size:13px}
.tag-chip.on{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}

/* term list */
.term-stack{display:flex;flex-direction:column;gap:16px}
.term-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px 26px;display:grid;grid-template-columns:72px 1fr auto;gap:24px;align-items:center;transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease}
.term-card:hover{border-color:var(--line-strong);box-shadow:var(--shadow-sm);transform:translateY(-3px)}
.term-num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:28px;font-weight:700;color:#FCA57A;letter-spacing:-.04em}
.term-body h3{font-size:19px;font-weight:700;color:var(--text);margin-bottom:8px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.term-body p{color:var(--muted);font-size:15.5px;line-height:1.8;max-width:840px}
.term-tag{display:inline-flex;vertical-align:middle;background:var(--primary-soft);color:var(--primary);font-size:12.5px;font-weight:600;padding:3px 12px;border-radius:99px}
.term-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--accent);font-weight:600;white-space:nowrap;transition:gap .2s ease,color .2s ease}
.term-link:hover{color:var(--accent-dark);gap:12px}

@media screen and (max-width:1024px){
  .term-stack{grid-template-columns:1fr}
  .term-card{grid-template-columns:52px 1fr;padding:20px}
}
@media screen and (max-width:640px){
  .term-card{grid-template-columns:1fr;gap:14px}
  .term-body h3{font-size:17.5px}
  .term-link{font-size:14.5px}
}

/* datasheet section */
.datasheet-section{background:var(--panel)}
.table-shell{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
.table-scroll{overflow-x:auto}
.table-scroll table{width:100%;min-width:720px;border-collapse:separate;border-spacing:0;margin:0;background:transparent}
.table-scroll thead th{background:var(--primary);color:#fff;font-size:15px;font-weight:600;text-align:left;padding:16px 22px;letter-spacing:.02em;white-space:nowrap}
.table-scroll tbody td{padding:16px 22px;border-bottom:1px solid var(--line);font-size:15.5px;color:var(--text);line-height:1.7;vertical-align:top;background:transparent}
.table-scroll tbody tr:last-child td{border-bottom:0}
.table-scroll tbody tr:nth-child(even) td{background:#FBFDFC}
.table-scroll strong{color:var(--primary);font-weight:600}
.table-note{margin-top:16px;color:var(--muted);font-size:14px;display:flex;gap:8px}
.table-note i{color:var(--accent);margin-top:5px}

@media screen and (max-width:640px){
  .table-scroll thead th,.table-scroll tbody td{padding:13px 16px;font-size:14px}
}

/* usage steps */
.step-block{display:flex;flex-direction:column;gap:14px}
.step-row{display:grid;grid-template-columns:88px 1fr;gap:22px;background:#fff;border-radius:var(--radius-md);border:1px solid var(--line);padding:22px 28px;align-items:start;transition:transform .2s ease,border-color .2s ease}
.step-row:hover{transform:translateY(-3px);border-color:var(--line-strong)}
.step-count{font-size:36px;font-weight:800;color:transparent;-webkit-text-stroke:1.5px var(--accent);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;line-height:1}
.step-row h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:10px}
.step-row p{color:var(--muted);font-size:15.5px;line-height:1.7}

@media screen and (max-width:640px){
  .step-row{grid-template-columns:1fr;gap:12px;padding:18px}
}

/* FAQ section */
.faq-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.faq-list{margin:0;list-style:none;background:transparent}
.faq-list .faq-item{border-bottom:1px solid var(--line);background:transparent}
.faq-list .faq-item:first-child{border-top:0}
.faq-list .accordion-title{
  display:flex;
  align-items:center;
  gap:18px;
  padding:24px 44px 24px 0;
  background:transparent;
  color:var(--text);
  font-size:17.5px;
  font-weight:600;
  border-radius:0;
  line-height:1.5;
  border:0;
  position:relative;
  transition:color .2s ease;
}
.faq-list .accordion-title:hover{background:transparent;color:var(--accent)}
.faq-list .accordion-title::before{display:none}
.faq-list .accordion-title::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:0;top:50%;transform:translateY(-50%);color:var(--accent);font-size:15px;transition:transform .25s ease}
.faq-list .faq-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(180deg)}
.faq-idx{font-size:14px;font-weight:800;color:var(--accent);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:.05em}
.faq-list .accordion-content{background:transparent;padding:0 60px 28px 46px;border:0;color:var(--muted);font-size:16px;line-height:1.8}
.faq-list .accordion-content p + p{margin-top:10px}
@media screen and (max-width:640px){
  .faq-list .accordion-title{font-size:16px;padding-right:30px}
  .faq-list .accordion-content{padding:0 6px 22px 0}
  .faq-idx{display:none}
  .faq-list .accordion-title{gap:10px}
}

/* CTA */
.cta-section{
  position:relative;
  background-color:var(--primary-deep);
  background-image:linear-gradient(120deg,rgba(11,43,33,.92),rgba(14,61,46,.83)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
}
.cta-section .container{position:relative;z-index:2}
.cta-panel{text-align:center;padding:88px 0 92px}
.cta-panel .cta-mark{width:58px;height:58px;margin:0 auto 22px;display:inline-flex;align-items:center;justify-content:center;background:rgba(240,100,26,.14);color:var(--accent);border-radius:16px;font-size:24px}
.cta-panel h2{color:#fff;font-size:clamp(1.7rem,2.7vw,2.4rem);font-weight:700;line-height:1.4;margin-bottom:14px}
.cta-panel .cta-desc{color:#BED3C9;max-width:660px;margin:0 auto 32px;font-size:16px;line-height:1.8}
.cta-btns{display:flex;flex-wrap:wrap;justify-content:center;gap:16px}
.btn-solid-light{background:#fff;color:var(--primary);border:1px solid #fff}
.btn-solid-light:hover{background:#F7F0E8;transform:translateY(-2px)}
.btn-outline-light{border:1px solid rgba(255,255,255,.4);color:#fff}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-2px)}
.cta-cap{font-size:13px;color:#88A79A;margin-top:22px;display:flex;align-items:center;justify-content:center;gap:8px}
@media screen and (max-width:640px){
  .cta-panel{padding:58px 0}
  .cta-btns .btn{width:100%;max-width:340px}
}

/* footer */
.site-footer{background:var(--primary-deep);color:#DCE7E2;padding-top:66px}
.site-footer .footer-grid{display:grid;grid-template-columns:1.4fr .7fr .7fr 1.1fr;gap:44px;padding-bottom:52px}
.site-footer .brand-logo{display:inline-flex;align-items:center;gap:12px;color:#fff;margin-bottom:16px}
.site-footer .brand-logo .brand-name{color:#fff;font-size:20px}
.footer-brand p{font-size:14.5px;line-height:1.9;color:#A5BDB2;max-width:360px}
.footer-col-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:#A5BDB2;font-size:14.5px;transition:color .2s ease}
.footer-links a:hover{color:var(--accent)}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);color:#A5BDB2;font-size:12.5px;padding:4px 12px;border-radius:999px;line-height:1.6}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;font-size:13.5px;color:#8AA79C}
.footer-bottom .page-container{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.footer-bottom .dot{opacity:.5}
@media screen and (max-width:1024px){
  .site-footer .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media screen and (max-width:640px){
  .site-footer .footer-grid{grid-template-columns:1fr;gap:34px}
  .footer-bottom .page-container{flex-direction:column;text-align:center}
}