/* roulang page: index */
:root{
  --c-primary:#0F5B4C;
  --c-primary-700:#0A473C;
  --c-primary-900:#093A31;
  --c-primary-50:#E7F1ED;
  --c-accent:#C86A3C;
  --c-accent-50:#FBEDE5;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-ink:#0B211D;
  --c-line:#E3E0D8;
  --c-line-2:#EFECE4;
  --t-main:#1A1F1E;
  --t-sub:#5A6360;
  --t-weak:#8A918E;
  --t-invert:#F3F6F4;
  --r-xl:16px;
  --r-md:14px;
  --r-btn:10px;
  --r-badge:6px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(11,33,29,.06);
  --sh-2:0 10px 30px rgba(11,33,29,.10);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t-main);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1.05em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px;width:100%}
.h1{font-size:clamp(30px,4.2vw,50px);font-weight:700;line-height:1.25;letter-spacing:-.02em}
.h2{font-size:clamp(23px,2.8vw,34px);font-weight:700;line-height:1.3}
.h3{font-size:19px;font-weight:600;line-height:1.4}
.lead{font-size:16px;line-height:1.85;color:var(--t-sub);max-width:72ch}
.small{font-size:14px;line-height:1.7;color:var(--t-sub)}
.weak{font-size:13px;line-height:1.7;color:var(--t-weak)}
.section{padding:80px 0}
.section-tight{padding:64px 0}
.section-dark{background:var(--c-ink);color:var(--t-invert);padding:104px 0}
.section-alt{background:#F2EFE8}
.section-head{margin-bottom:36px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.02em;font-weight:600;
  color:var(--c-primary);background:var(--c-primary-50);
  border:1px solid #CFE2DA;border-radius:var(--r-badge);
  padding:5px 11px;
}
.eyebrow-accent{color:var(--c-accent);background:var(--c-accent-50);border-color:#EED5C6}
.section-head .lead{margin-top:14px}
.text-link{color:var(--c-primary);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid transparent;transition:border-color .16s ease-out}
.text-link:hover{border-bottom-color:var(--c-primary)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;font-weight:600;
  cursor:pointer;transition:background-color .16s ease-out,border-color .16s ease-out,color .16s ease-out,transform .16s ease-out,box-shadow .16s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;height:46px;padding:0 22px;font-size:15px}
.btn-primary:hover{background:var(--c-primary-700);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:#fff;border-color:var(--c-line);color:var(--t-main);height:46px;padding:0 22px;font-size:15px}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-50)}
.btn-accent{background:var(--c-accent);color:#fff;height:46px;padding:0 22px;font-size:15px}
.btn-accent:hover{background:#B25C31;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.btn[disabled]{opacity:.5;box-shadow:none;cursor:not-allowed}
.btn-dark-ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff;height:46px;padding:0 22px}
.btn-dark-ghost:hover{background:#fff;color:var(--c-ink);border-color:#fff}
.btn-light{background:#fff;color:var(--c-ink);height:46px;padding:0 22px}
.btn-light:hover{background:var(--c-primary-50);transform:translateY(-1px)}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.94);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .18s ease-out;
}
.site-header.is-scrolled{box-shadow:0 1px 2px rgba(11,33,29,.08),0 6px 20px rgba(11,33,29,.05)}
.nav-inner{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--c-primary);display:grid;place-items:center;color:#fff;flex:0 0 auto}
.brand-mark svg{width:18px;height:18px}
.brand-text{font-size:16px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:22px;margin-left:6px}
.nav-link{position:relative;font-size:14px;color:var(--t-sub);padding:6px 0;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .18s ease-out}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--c-primary);font-weight:600}
.nav-link[aria-current="page"]::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.search-box{position:relative;display:flex;align-items:center;width:280px;height:38px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;padding:0 10px 0 34px;transition:border-color .16s ease-out,box-shadow .16s ease-out}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,91,76,.2)}
.search-box svg{position:absolute;left:10px;width:16px;height:16px;color:var(--t-weak)}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:14px;line-height:38px}
.search-box input::placeholder{color:var(--t-weak)}
.kbd{flex:0 0 auto;font-size:12px;color:var(--t-weak);border:1px solid var(--c-line);border-radius:6px;padding:1px 5px;background:var(--c-bg);margin-left:6px}
.nav-quick{font-size:14px;color:var(--t-sub);white-space:nowrap}
.nav-quick:hover{color:var(--c-primary)}
.hamburger{display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;align-items:center;justify-content:center;cursor:pointer}
.hamburger svg{width:20px;height:20px}
.hamburger:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.mobile-drawer{display:none;border-top:1px solid var(--c-line);background:#fff;padding:16px 0 20px}
.mobile-drawer.open{display:block}
.mobile-drawer .wrap{display:flex;flex-direction:column;gap:12px}
.drawer-brand{font-size:15px;font-weight:700;color:var(--c-primary);padding:2px 0 6px}
.drawer-link{font-size:15px;padding:11px 0;border-bottom:1px solid var(--c-line-2)}
.drawer-link[aria-current="page"]{color:var(--c-primary);font-weight:600}
.drawer-search{width:100%;width:100%}
.drawer-search.search-box{width:100%}

/* Hero */
.hero{padding:60px 0 76px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap}
.hero-sub{font-size:17px;line-height:1.8;color:var(--t-sub);margin-top:18px;max-width:34em}
.hero-cta{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;align-items:center}
.trust{display:flex;gap:24px;margin-top:26px;flex-wrap:wrap}
.trust-item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--t-sub)}
.trust-item svg{width:16px;height:16px;color:var(--c-primary);flex:0 0 auto}
.panel{position:relative;border-radius:var(--r-xl);background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-2);padding:24px;overflow:hidden}
.panel-bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-1.png);background-size:cover;background-position:center;opacity:.13}
.panel-glow{position:absolute;top:-60px;right:-40px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(200,106,60,.22),rgba(200,106,60,0) 70%)}
.panel>*{position:relative;z-index:1}
.panel-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--c-line-2)}
.panel-top h2{font-size:17px;font-weight:700}
.status{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--c-primary);background:var(--c-primary-50);border:1px solid #CFE2DA;border-radius:var(--r-badge);padding:4px 9px}
.status i{width:7px;height:7px;border-radius:50%;background:var(--c-primary);display:block}
.panel-body{display:flex;flex-direction:column;gap:14px;padding:18px 0}
.sim-label{font-size:13px;color:var(--t-weak);margin-bottom:6px;display:block}
.field{height:44px;border:1px solid #DCD8CE;border-radius:var(--r-btn);background:var(--c-bg);display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 14px;font-size:14px;color:var(--t-weak)}
.field b{font-weight:600;color:var(--c-primary);font-size:13px}
.panel-note{font-size:13px;color:var(--t-weak);line-height:1.7;margin-top:14px}

/* 指标看板 */
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.14);border-radius:var(--r-md);overflow:hidden}
.metric{background:var(--c-ink);padding:12px 26px}
.metric-num{font-size:clamp(34px,4vw,52px);font-weight:700;line-height:1.05;color:#fff;display:flex;align-items:flex-end;gap:6px}
.metric-num span{font-size:13px;font-weight:400;color:rgba(243,246,244,.6);padding-bottom:8px}
.metric-label{font-size:14px;color:rgba(243,246,244,.78);margin-top:8px}
.metric-bar{height:4px;border-radius:2px;background:rgba(255,255,255,.16);margin-top:14px;overflow:hidden}
.metric-bar i{display:block;height:100%;background:var(--c-accent)}
.metrics-foot{margin-top:28px;font-size:13px;color:rgba(243,246,244,.55)}

/* 服务矩阵 */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.b-card{grid-column:span 4;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-md);padding:24px;display:flex;flex-direction:column;transition:border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out}
.b-card:hover{border-color:#CBD6D1;transform:translateY(-2px);box-shadow:var(--sh-2)}
.b-card-lg{grid-column:span 7;padding:0;overflow:hidden;flex-direction:row}
.b-card-md{grid-column:span 5}
.b-icon{width:36px;height:36px;border-radius:var(--r-btn);background:var(--c-primary-50);display:grid;place-items:center;color:var(--c-primary);flex:0 0 auto}
.b-icon svg{width:20px;height:20px}
.b-card .h3{margin-top:16px}
.b-card p{font-size:15px;color:var(--t-sub);margin-top:10px;line-height:1.75}
.b-more{margin-top:auto;padding-top:18px;font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}
.b-more svg{width:14px;height:14px;transition:transform .16s ease-out}
.b-card:hover .b-more svg{transform:translateX(3px)}
.b-thumb{overflow:hidden;border-radius:var(--r-img);margin-top:18px;aspect-ratio:16/9}
.b-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out}
.b-card:hover .b-thumb img{transform:scale(1.02)}
.b-card-lg .b-media{flex:0 0 44%;overflow:hidden}
.b-card-lg .b-media img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out}
.b-card-lg:hover .b-media img{transform:scale(1.02)}
.b-card-lg .b-main{padding:28px;display:flex;flex-direction:column;flex:1}

/* 对比 */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{border-radius:var(--r-md);border:1px solid var(--c-line);background:#fff;overflow:hidden}
.compare-col.old{background:#FBF8F4;border-color:#E4DAD2}
.compare-head{display:flex;align-items:center;gap:10px;padding:16px 22px;border-bottom:1px solid var(--c-line-2);font-size:14px;font-weight:600}
.compare-head .tag{font-size:13px;font-weight:600;padding:3px 9px;border-radius:var(--r-badge)}
.compare-col.old .tag{background:#F2EBE5;color:#8C7B72;border:1px solid #E0D3C9}
.compare-col.new .tag{background:var(--c-primary-50);color:var(--c-primary);border:1px solid #CFE2DA}
.cmp-row{display:flex;gap:12px;padding:16px 22px;min-height:64px;border-bottom:1px solid var(--c-line-2);border-left:3px solid transparent}
.compare-col.old .cmp-row{border-left-color:#D9C9BE}
.compare-col.new .cmp-row{border-left-color:var(--c-primary)}
.cmp-row:last-child{border-bottom:0}
.cmp-icon{flex:0 0 auto;width:20px;height:20px;margin-top:4px}
.compare-col.old .cmp-icon{color:#B8442C}
.compare-col.new .cmp-icon{color:var(--c-primary)}
.cmp-text strong{display:block;font-size:14px;font-weight:600;margin-bottom:4px}
.cmp-text span{font-size:14px;color:var(--t-sub);line-height:1.7}

/* 资讯列表 */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out}
.post-card:hover{border-color:#CBD6D1;transform:translateY(-2px);box-shadow:var(--sh-2)}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-50)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out}
.post-card:hover .post-thumb img{transform:scale(1.02)}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.badge{display:inline-block;font-size:13px;letter-spacing:.02em;font-weight:600;padding:3px 9px;border-radius:var(--r-badge);background:var(--c-primary-50);color:var(--c-primary)}
.post-title{font-size:19px;font-weight:600;line-height:1.4;margin-top:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-sum{font-size:14px;color:var(--t-sub);line-height:1.7;margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px;padding-top:14px;border-top:1px solid var(--c-line-2);font-size:13px;color:var(--t-weak);margin-top:auto}
.post-foot svg{width:14px;height:14px;color:var(--c-primary);transition:transform .16s ease-out}
.post-card:hover .post-foot svg{transform:translateX(3px)}
.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:48px 24px;background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-md)}
.empty-icon{width:48px;height:48px;border-radius:12px;background:var(--c-primary-50);display:grid;place-items:center;color:var(--c-primary)}
.empty-icon svg{width:24px;height:24px}

/* FAQ */
.faq-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-xl);overflow:hidden;display:grid;grid-template-columns:1fr 1fr}
.faq-col{padding:6px 0}
.faq-col + .faq-col{border-left:1px solid var(--c-line-2)}
.faq-item{border-bottom:1px solid var(--c-line-2);padding:0 24px}
.faq-item:last-child{border-bottom:0}
.faq-q{width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0;background:none;border:0;text-align:left;font-size:16px;font-weight:600;cursor:pointer;line-height:1.5}
.faq-q svg{width:18px;height:18px;color:var(--c-primary);flex:0 0 auto;transition:transform .18s ease-out}
.faq-q:hover{color:var(--c-primary)}
.faq-q:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.faq-item.open .faq-q svg{transform:rotate(180deg)}
.faq-a{display:none;font-size:15px;line-height:1.8;color:var(--t-sub);background:var(--c-primary-50);border-radius:var(--r-btn);padding:14px 16px;margin:0 0 16px}
.faq-item.open .faq-a{display:block}

/* 表单 */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.form-points{display:flex;flex-direction:column;gap:16px;margin-top:26px}
.form-point{display:flex;gap:12px;font-size:15px;color:var(--t-sub)}
.form-point svg{width:20px;height:20px;color:var(--c-primary);flex:0 0 auto;margin-top:5px}
.contact-box{margin-top:30px;padding:18px 20px;border:1px solid var(--c-line);border-radius:var(--r-md);background:#fff}
.contact-box p{font-size:14px;color:var(--t-sub);margin:0}
.contact-box b{color:var(--t-main)}
.form-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-xl);padding:26px;box-shadow:var(--sh-1)}
.form-note{font-size:13px;color:var(--t-weak);line-height:1.7;padding-bottom:16px;border-bottom:1px solid var(--c-line-2);margin-bottom:20px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{margin-bottom:16px}
.field-label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.req{color:var(--c-primary)}
.input{width:100%;height:44px;border:1px solid #DCD8CE;border-radius:var(--r-btn);background:#fff;padding:0 14px;outline:none;transition:border-color .16s ease-out,box-shadow .16s ease-out}
.input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,91,76,.2)}
textarea.input{height:auto;min-height:112px;padding:12px 14px;line-height:1.75;resize:vertical}
select.input{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235A6360' stroke-width='2'><path d='M6 9l6 6 6-6'/></svg>");background-repeat:no-repeat;background-position:right 14px center}
.form-check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--t-sub);margin:6px 0 20px}
.form-check input{width:18px;height:18px;margin-top:4px;accent-color:var(--c-primary);flex:0 0 auto}
.form-hint{font-size:13px;color:var(--t-weak);margin-top:12px;line-height:1.7}

/* 页脚 */
.site-footer{background:var(--c-ink);color:rgba(243,246,244,.75);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px}
.footer-brand .brand-mark{background:var(--c-primary)}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(243,246,244,.65);margin-top:16px;max-width:34ch}
.footer-title{color:#fff;font-size:14px;font-weight:600;margin-bottom:14px;letter-spacing:.01em}
.footer-link{display:block;font-size:14px;line-height:2;color:rgba(243,246,244,.72)}
.footer-link:hover{color:#fff}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(243,246,244,.55)}
.back-top{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:rgba(243,246,244,.72)}
.back-top:hover{color:#fff}
.back-top svg{width:14px;height:14px}

/* 装饰 */
.divider{height:1px;background:var(--c-line);border:0;margin:0}

@media (max-width:1024px){
  .wrap{padding:0 24px}
  .section{padding:64px 0}
  .section-dark{padding:88px 0}
  .nav-menu,.nav-quick,.search-box,.nav-right .btn{display:none}
  .hamburger{display:inline-flex}
  .hero{padding:44px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .b-card-lg,.b-card-md{grid-column:span 12}
  .b-card{grid-column:span 6}
  .b-card-lg{flex-direction:column}
  .b-card-lg .b-media{flex:none;aspect-ratio:16/9}
  .compare{grid-template-columns:1fr}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .faq-card{grid-template-columns:1fr}
  .faq-col + .faq-col{border-left:0;border-top:1px solid var(--c-line-2)}
  .form-grid{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .section{padding:48px 0}
  .section-dark{padding:64px 0}
  .brand-text{font-size:13px}
  .brand-mark{width:30px;height:30px;border-radius:9px}
  .nav-inner{height:56px;gap:12px}
  .h1{font-size:clamp(26px,7.4vw,32px)}
  .hero-sub{font-size:16px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .trust{gap:14px;flex-direction:column}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .metric{padding:16px}
  .bento{gap:16px}
  .b-card,.b-card-lg,.b-card-md{grid-column:span 12}
  .post-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cmp-row{padding:14px 16px}
  .btn,.btn-sm{min-height:44px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --c-primary:#0F5B4C;
  --c-primary-700:#0A473C;
  --c-primary-900:#093A31;
  --c-primary-50:#E7F1ED;
  --c-accent:#C86A3C;
  --c-accent-50:#FBEDE5;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-ink:#0B211D;
  --c-line:#E3E0D8;
  --c-line-2:#EFECE4;
  --c-text:#1A1F1E;
  --c-text-2:#5A6360;
  --c-text-3:#8A918E;
  --c-invert:#F3F6F4;
  --c-mute:#8C7B72;
  --c-warn:#B8442C;
  --r-lg:16px;
  --r-md:14px;
  --r-sm:10px;
  --r-badge:6px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(11,33,29,.06);
  --sh-2:0 10px 30px rgba(11,33,29,.10);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:inherit}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px;width:100%}
@media (max-width:1024px){.wrap{padding:0 24px}}
@media (max-width:640px){.wrap{padding:0 16px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.92);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(11,33,29,.07)}
.header-inner{height:64px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--c-text);font-weight:700;font-size:16px;white-space:nowrap}
.brand-mark{
  width:34px;height:34px;flex:none;border-radius:10px;
  background:var(--c-primary);color:#fff;display:grid;place-items:center;
}
.brand-mark svg{width:19px;height:19px}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:8px}
.nav-link{
  position:relative;padding:8px 12px;font-size:14px;color:var(--c-text-2);
  text-decoration:none;border-radius:8px;transition:color .16s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--c-primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--c-primary);font-weight:600}
.nav-link[aria-current="page"]::after{transform:scaleX(1)}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:14px}
.command-search{
  display:flex;align-items:center;gap:8px;width:280px;height:38px;
  padding:0 10px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-sm);transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.command-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,91,76,.18)}
.command-search svg{width:16px;height:16px;color:var(--c-text-3);flex:none}
.command-search input{
  border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--c-text);
}
.command-search input::placeholder{color:var(--c-text-3)}
.kbd{
  flex:none;font-size:12px;color:var(--c-text-3);border:1px solid var(--c-line);
  border-radius:5px;padding:1px 5px;line-height:1.4;
}
.quick-link{font-size:14px;color:var(--c-text-2);text-decoration:none;white-space:nowrap}
.quick-link:hover{color:var(--c-primary)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);background:#fff;
  border-radius:var(--r-sm);color:var(--c-text);place-items:center;cursor:pointer;
  transition:border-color .16s ease-out,color .16s ease-out;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}
.nav-toggle svg{width:20px;height:20px}
.mobile-drawer{
  border-top:1px solid var(--c-line);background:#fff;
  padding:16px 0 24px;
}
.drawer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;margin-bottom:14px}
.drawer-nav{display:flex;flex-direction:column;gap:12px;margin-bottom:16px}
.drawer-nav a{
  font-size:15px;color:var(--c-text-2);text-decoration:none;padding:10px 12px;
  border:1px solid var(--c-line-2);border-radius:var(--r-sm);background:var(--c-bg);
}
.drawer-nav a[aria-current="page"]{color:var(--c-primary);border-color:#CBD6D1;background:var(--c-primary-50)}
.drawer-cta{width:100%;margin-top:14px}
@media (max-width:1023px){
  .nav-menu,.command-search,.quick-link{display:none}
  .nav-toggle{display:grid;margin-left:auto}
}
@media (min-width:1024px){
  .mobile-drawer{display:none !important}
}

/* ---------- buttons / badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:38px;padding:0 18px;border-radius:var(--r-sm);
  font-size:14px;font-weight:600;text-decoration:none;cursor:pointer;
  border:1px solid transparent;
  transition:background-color .16s ease-out,color .16s ease-out,border-color .16s ease-out,transform .16s ease-out,box-shadow .16s ease-out;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-700);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-text-2)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-50);transform:translateY(-1px)}
.btn-light{background:var(--c-invert);color:var(--c-ink)}
.btn-light:hover{background:#fff;transform:translateY(-1px);box-shadow:0 10px 26px rgba(0,0,0,.22)}
.btn-line-light{background:transparent;border-color:rgba(243,246,244,.42);color:var(--c-invert)}
.btn-line-light:hover{border-color:var(--c-invert);background:rgba(243,246,244,.12);transform:translateY(-1px)}
.btn-lg{height:46px;padding:0 22px;font-size:15px}
.btn-sm{height:34px;padding:0 14px;font-size:13px}
.badge{
  display:inline-block;font-size:13px;letter-spacing:.02em;font-weight:600;
  background:var(--c-primary-50);color:var(--c-primary);
  border-radius:var(--r-badge);padding:3px 9px;
}
.badge-accent{background:var(--c-accent-50);color:var(--c-accent)}

/* ---------- breadcrumb ---------- */
.breadcrumb-bar{border-bottom:1px solid var(--c-line-2);background:rgba(255,255,255,.6)}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:12px 0;font-size:13px;color:var(--c-text-3);
}
.breadcrumb a{color:var(--c-text-2);text-decoration:none}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-line)}
.breadcrumb .current{
  color:var(--c-text);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- article head ---------- */
.article-shell{padding:44px 0 0}
.article-head{max-width:860px;margin:0 auto}
.article-head h1{
  font-size:clamp(28px,3.6vw,42px);
  font-weight:700;line-height:1.28;letter-spacing:-.02em;
  margin:16px 0 0;max-width:22ch;
}
.article-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-top:18px;font-size:14px;color:var(--c-text-3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--c-line)}
.article-actions{display:flex;gap:10px;margin-top:20px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--c-line);
  background:#fff;color:var(--c-text-2);display:grid;place-items:center;cursor:pointer;
  transition:border-color .16s ease-out,color .16s ease-out,background-color .16s ease-out;
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-50)}
.icon-btn svg{width:18px;height:18px}
.article-cover{
  max-width:860px;margin:30px auto 0;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--c-line-2);background:var(--c-primary-50);
}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}
.article-cover figcaption{font-size:13px;color:var(--c-text-3);text-align:center;padding:10px 12px;background:#fff}

/* ---------- article body ---------- */
.article-body{
  max-width:760px;margin:0 auto;padding:46px 0 0;
  font-size:16.5px;line-height:1.9;color:var(--c-text);
  overflow-wrap:break-word;word-break:break-word;
}
.article-body p{margin:0 0 1.05em}
.article-body h2{
  font-size:clamp(23px,2.8vw,30px);font-weight:700;line-height:1.32;
  margin:56px 0 18px;padding-left:14px;border-left:4px solid var(--c-primary);border-radius:2px;
}
.article-body h3{font-size:19px;font-weight:600;line-height:1.4;margin:36px 0 12px;color:var(--c-primary-900)}
.article-body h4{font-size:17px;font-weight:600;margin:26px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.05em;padding-left:1.35em}
.article-body li{margin:6px 0}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.article-body strong{font-weight:700}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--c-primary-50);
  border-left:3px solid var(--c-primary);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--c-primary-900);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:8px}
.article-body code{
  background:var(--c-line-2);border-radius:6px;padding:2px 6px;font-size:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:#F2F0EA;border:1px solid var(--c-line-2);border-radius:var(--r-sm);
  padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body pre code{background:transparent;padding:0}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--c-primary-50);font-weight:600;color:var(--c-primary-900)}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:36px 0}
.article-body>*:first-child{margin-top:0}

/* ---------- note ---------- */
.article-note{
  max-width:760px;margin:44px auto 0;padding:16px 18px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-img);
  font-size:13px;line-height:1.85;color:var(--c-text-3);
}
.article-note strong{color:var(--c-text-2);font-weight:600}

/* ---------- empty ---------- */
.empty-state{
  max-width:760px;margin:0 auto;padding:56px 24px;text-align:center;
  background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-lg);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:14px;
  background:var(--c-primary-50);color:var(--c-primary);display:grid;place-items:center;
}
.empty-state .empty-icon svg{width:26px;height:26px}
.empty-state p{margin:0 0 18px;color:var(--c-text-2);font-size:15px}

/* ---------- related ---------- */
.section-block{padding-top:72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:26px}
.section-title{font-size:clamp(23px,2.8vw,32px);font-weight:700;line-height:1.3;margin:0}
.section-sub{margin:8px 0 0;font-size:15px;color:var(--c-text-2);max-width:56ch}
.text-link{
  font-size:14px;font-weight:600;color:var(--c-primary);text-decoration:none;
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
}
.text-link svg{width:16px;height:16px;transition:transform .16s ease-out}
.text-link:hover svg{transform:translateX(3px)}
.cards-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media (max-width:1024px){.cards-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.cards-3{grid-template-columns:minmax(0,1fr)}}
.mini-card{
  display:flex;flex-direction:column;text-decoration:none;color:inherit;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out;
}
.mini-card:hover{border-color:#CBD6D1;box-shadow:var(--sh-2);transform:translateY(-2px)}
.mini-card .thumb{overflow:hidden;background:var(--c-primary-50)}
.mini-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .22s ease-out}
.mini-card:hover .thumb img{transform:scale(1.02)}
.mini-card .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.mini-card h3{font-size:19px;font-weight:600;line-height:1.4;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-card .foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-text-3);
}
.mini-card .foot svg{width:16px;height:16px;color:var(--c-primary)}

/* ---------- cta band ---------- */
.cta-band{
  margin-top:72px;background:var(--c-ink);color:var(--c-invert);
  border-radius:var(--r-lg);padding:46px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;
  border-radius:50%;background:radial-gradient(circle,rgba(200,106,60,.32),rgba(200,106,60,0) 68%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;margin:0 0 10px}
.cta-band p{margin:0;font-size:15px;line-height:1.8;color:rgba(243,246,244,.76);max-width:52ch}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
@media (max-width:1023px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 26px}
}

/* ---------- return bar ---------- */
.return-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:24px;padding-top:24px;border-top:1px solid var(--c-line-2);
}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:var(--c-invert);margin-top:96px;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:640px){.footer-grid{grid-template-columns:1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:#fff;margin-bottom:14px}
.site-footer .brand-mark{background:var(--c-primary);color:#fff}
.footer-desc{margin:0;font-size:14px;line-height:1.85;color:rgba(243,246,244,.72);max-width:34ch}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-link{display:block;font-size:14px;line-height:2;color:rgba(243,246,244,.72);text-decoration:none}
.footer-link:hover{color:#fff}
.footer-bottom{
  margin-top:56px;padding:20px 0 28px;border-top:1px solid rgba(243,246,244,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(243,246,244,.6);
}
.back-top{display:inline-flex;align-items:center;gap:6px;color:rgba(243,246,244,.72);text-decoration:none}
.back-top:hover{color:#fff}
.back-top svg{width:14px;height:14px}

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

/* roulang page: category1 */
:root{
  --c-primary:#0F5B4C;
  --c-primary-700:#0A473C;
  --c-primary-900:#093A31;
  --c-primary-50:#E7F1ED;
  --c-accent:#C86A3C;
  --c-accent-50:#FBEDE5;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-ink:#0B211D;
  --c-line:#E3E0D8;
  --c-line-2:#EFECE4;
  --c-line-hover:#CBD6D1;
  --t-main:#1A1F1E;
  --t-sub:#5A6360;
  --t-weak:#8A918E;
  --t-inv:#F3F6F4;
  --c-mute:#8C7B72;
  --c-warn:#B8442C;
  --r-lg:16px;
  --r-md:14px;
  --r-sm:10px;
  --r-xs:6px;
  --shadow-1:0 1px 2px rgba(11,33,29,.06);
  --shadow-2:0 10px 30px rgba(11,33,29,.10);
  --ease:160ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--t-main);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:1.15em;}
p+p{margin-top:1.05em;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px;}
@media (max-width:1024px){.wrap{padding:0 24px;}}
@media (max-width:640px){.wrap{padding:0 16px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.94);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav-inner{display:flex;align-items:center;gap:20px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--t-main);white-space:nowrap;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:grid;place-items:center;flex:0 0 34px;
}
.brand-mark svg{width:18px;height:18px;}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:6px;}
.nav-link{
  position:relative;padding:8px 12px;font-size:14px;color:var(--t-sub);
  border-radius:8px;transition:color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform 180ms ease-out;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;width:280px;height:38px;padding:0 10px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-sm);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,91,76,.16);}
.nav-search svg{width:16px;height:16px;color:var(--t-weak);flex:0 0 16px;}
.nav-search input{
  border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--t-main);
}
.nav-search input::placeholder{color:var(--t-weak);}
.kbd{
  font-size:12px;color:var(--t-weak);border:1px solid var(--c-line);border-radius:var(--r-xs);
  padding:1px 5px;line-height:1.5;white-space:nowrap;
}
.nav-quick{font-size:14px;color:var(--t-sub);transition:color var(--ease);}
.nav-quick:hover{color:var(--c-primary);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:38px;padding:0 18px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--c-primary-700);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ghost{background:#fff;border-color:var(--c-line);color:var(--t-main);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-50);transform:translateY(-1px);}
.btn-lg{height:46px;padding:0 22px;font-size:15px;border-radius:var(--r-sm);}
.btn-sm{height:38px;}
.btn-block{width:100%;}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-sm);color:var(--t-main);cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;}
.drawer{display:none;border-top:1px solid var(--c-line);background:#fff;}
.drawer.open{display:block;}
.drawer-inner{padding:16px;display:flex;flex-direction:column;gap:12px;}
.drawer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;}
.drawer .nav-link{padding:12px;border-radius:var(--r-sm);font-size:15px;}
.drawer .nav-link::after{display:none;}
.drawer .nav-link.is-active{background:var(--c-primary-50);}
.drawer .nav-search{width:100%;height:44px;}

@media (max-width:1100px){
  .nav-search{width:210px;}
  .nav-quick{display:none;}
}
@media (max-width:1023px){
  .nav-menu{display:none;}
  .nav-search{display:none;}
  .nav-tools .btn-primary{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{height:56px;}
}
@media (max-width:520px){
  .brand-name{font-size:15px;}
}

/* ---------- 面包屑 ---------- */
.crumbs{padding:18px 0 0;font-size:13px;color:var(--t-weak);}
.crumbs a{color:var(--t-sub);transition:color var(--ease);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs span.sep{margin:0 6px;color:var(--t-weak);}

/* ---------- Hero ---------- */
.hero{padding:26px 0 8px;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding-bottom:56px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.02em;
  color:var(--c-primary);background:var(--c-primary-50);border:1px solid #CFE1DA;
  padding:4px 12px;border-radius:var(--r-xs);margin-bottom:18px;
}
.hero h1{
  font-size:clamp(30px,4.2vw,50px);font-weight:700;line-height:1.25;letter-spacing:-.02em;
  max-width:22ch;
}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:var(--t-sub);max-width:46ch;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.trust{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:20px;margin-top:26px;}
.trust li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--t-sub);}
.trust svg{width:16px;height:16px;color:var(--c-primary);flex:0 0 16px;}
.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:400px;
  background:var(--c-primary-900);display:flex;align-items:center;justify-content:center;
  padding:36px;box-shadow:var(--shadow-2);
}
.hero-media img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:0;opacity:.55;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(155deg,rgba(9,58,49,.82) 0%,rgba(9,58,49,.45) 55%,rgba(11,33,29,.70) 100%);
}
.panel{
  position:relative;z-index:2;width:100%;max-width:360px;background:#fff;border-radius:var(--r-md);
  border:1px solid var(--c-line);box-shadow:0 18px 40px rgba(9,58,49,.28);padding:20px;
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--c-line-2);}
.panel-title{font-size:15px;font-weight:600;}
.badge{
  font-size:13px;letter-spacing:.02em;padding:3px 9px;border-radius:var(--r-xs);
  background:var(--c-primary-50);color:var(--c-primary);border:1px solid #CFE1DA;
}
.badge-accent{background:var(--c-accent-50);color:var(--c-accent);border-color:#EFD3C3;}
.panel-body{padding-top:16px;display:flex;flex-direction:column;gap:12px;}
.field{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  height:46px;padding:0 14px;border:1px dashed #DCD8CE;border-radius:var(--r-sm);
  background:#FAF9F5;color:var(--t-weak);font-size:14px;
}
.field strong{color:var(--t-sub);font-weight:500;}
.panel .btn{margin-top:4px;}
.panel-foot{font-size:13px;color:var(--t-weak);line-height:1.7;text-align:center;}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px;}
  .hero-media{min-height:340px;padding:24px;}
}

/* ---------- 主体两栏 ---------- */
.layout{display:grid;grid-template-columns:240px 1fr;gap:48px;padding:0 0 24px;align-items:start;}
.toc{
  position:sticky;top:88px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:18px;box-shadow:var(--shadow-1);
}
.toc-title{font-size:13px;font-weight:600;color:var(--t-weak);letter-spacing:.02em;margin-bottom:10px;}
.toc ol{list-style:none;padding:0;margin:0;counter-reset:toc;}
.toc li{counter-increment:toc;}
.toc a{
  display:block;padding:8px 10px;font-size:14px;color:var(--t-sub);border-radius:var(--r-sm);
  border-left:2px solid transparent;transition:color var(--ease),background var(--ease),border-color var(--ease);
}
.toc a:hover{color:var(--c-primary);background:var(--c-primary-50);border-left-color:var(--c-primary);}
.toc-cta{margin-top:14px;padding-top:14px;border-top:1px solid var(--c-line-2);}
.toc-cta p{font-size:13px;color:var(--t-weak);line-height:1.7;margin-bottom:10px;}

.content{max-width:76ch;}
.content section{scroll-margin-top:88px;padding-bottom:8px;}
.section-head{margin-top:56px;}
.section-head:first-child{margin-top:0;}
h2{
  font-size:clamp(23px,2.8vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.01em;
}
.section-sub{margin-top:12px;font-size:15px;color:var(--t-sub);line-height:1.8;}
h3{font-size:19px;font-weight:600;line-height:1.4;}
.lead{font-size:16.5px;line-height:1.9;color:var(--t-sub);}

.prep-card{
  margin-top:24px;display:grid;grid-template-columns:1fr 1fr;gap:0;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;
}
.prep-card ul{list-style:none;padding:22px;margin:0;display:flex;flex-direction:column;gap:16px;}
.prep-card li{display:grid;grid-template-columns:22px 1fr;gap:12px;font-size:15px;line-height:1.75;color:var(--t-sub);}
.prep-card li svg{width:20px;height:20px;color:var(--c-primary);margin-top:3px;}
.prep-card li b{display:block;color:var(--t-main);font-weight:600;font-size:15px;margin-bottom:2px;}
.prep-figure{position:relative;min-height:260px;background:var(--c-primary-50);border-left:1px solid var(--c-line);}
.prep-figure img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.prep-figure figcaption{
  position:absolute;left:14px;bottom:14px;right:14px;font-size:13px;color:var(--t-inv);
  background:rgba(9,58,49,.78);border-radius:var(--r-xs);padding:6px 10px;line-height:1.6;
}

/* 步骤 */
.steps{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.step{
  display:grid;grid-template-columns:46px 1fr;gap:18px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:22px;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.step:hover{border-color:var(--c-line-hover);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.step-num{
  width:44px;height:44px;border-radius:var(--r-sm);background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:17px;
}
.step-body h3{margin-bottom:8px;}
.step-body p{font-size:15px;color:var(--t-sub);line-height:1.8;}
.step-meta{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:13px;letter-spacing:.02em;color:var(--t-sub);background:#F2F0EA;
  border:1px solid var(--c-line);border-radius:var(--r-xs);padding:3px 9px;
}
.tag-ok{color:var(--c-primary);background:var(--c-primary-50);border-color:#CFE1DA;}
.tag-warn{color:var(--c-accent);background:var(--c-accent-50);border-color:#EFD3C3;}

/* 提示条 */
.note{
  margin-top:22px;background:var(--c-accent-50);border-left:3px solid var(--c-accent);
  border-radius:var(--r-sm);padding:18px 20px;
}
.note h3{font-size:16px;margin-bottom:8px;color:#8E4A26;}
.note p{font-size:15px;color:#6E5347;line-height:1.8;}
.note ul{margin-top:8px;}
.note li{font-size:15px;color:#6E5347;line-height:1.8;margin-bottom:4px;}

/* 对比 */
.compare{margin-top:24px;display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.compare-col{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px;}
.compare-col h3{font-size:16px;margin-bottom:14px;}
.compare-label{
  display:inline-flex;font-size:13px;padding:3px 10px;border-radius:var(--r-xs);letter-spacing:.02em;margin-bottom:12px;
}
.label-mute{background:#F1EDEA;color:var(--c-mute);border:1px solid #E0D6D0;}
.label-main{background:var(--c-primary-50);color:var(--c-primary);border:1px solid #CFE1DA;}
.compare-row{
  display:flex;gap:10px;align-items:flex-start;padding:14px 0;min-height:56px;
  border-bottom:1px dashed var(--c-line-2);font-size:15px;line-height:1.75;
}
.compare-row:last-child{border-bottom:0;}
.compare-row svg{width:18px;height:18px;flex:0 0 18px;margin-top:4px;}
.row-mute{color:var(--c-mute);}
.row-mute svg{color:var(--c-warn);}
.row-main{color:var(--t-main);}
.row-main svg{color:var(--c-primary);}
.compare-col.mute{border-left:3px solid var(--c-mute);}
.compare-col.main{border-left:3px solid var(--c-primary);}

/* FAQ */
.faq{margin-top:26px;display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;transition:border-color var(--ease);}
.faq-item:hover{border-color:var(--c-line-hover);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 20px;background:transparent;border:0;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--t-main);text-align:left;
}
.faq-q svg{width:18px;height:18px;color:var(--t-weak);flex:0 0 18px;transition:transform 180ms ease-out;}
.faq-item.open .faq-q svg{transform:rotate(180deg);}
.faq-a{display:none;padding:0 20px 18px;background:var(--c-primary-50);}
.faq-item.open .faq-a{display:block;}
.faq-a p{font-size:15px;line-height:1.8;color:var(--t-sub);padding-top:14px;}

/* CTA 条 */
.cta-band{
  margin:64px 0 8px;background:var(--c-ink);border-radius:var(--r-lg);
  padding:44px 40px;display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center;color:var(--t-inv);
}
.cta-band h2{color:var(--t-inv);font-size:clamp(22px,2.4vw,30px);}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.8;color:#C6D2CE;max-width:52ch;}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.cta-band .btn-primary{background:var(--c-accent);}
.cta-band .btn-primary:hover{background:#B25C31;}
.btn-inv{background:#fff;color:var(--c-ink);}
.btn-inv:hover{background:#E9EFEC;transform:translateY(-1px);}
.link-line{font-size:14px;color:#9FB3AD;transition:color var(--ease);}
.link-line:hover{color:#fff;}

@media (max-width:1023px){
  .layout{grid-template-columns:1fr;gap:32px;}
  .toc{position:static;}
  .toc ol{display:grid;grid-template-columns:1fr 1fr;gap:2px;}
  .toc-cta{margin-top:12px;}
  .compare{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:32px 24px;}
}
@media (max-width:768px){
  .prep-card{grid-template-columns:1fr;}
  .prep-figure{border-left:0;border-top:1px solid var(--c-line);min-height:200px;}
  .step{grid-template-columns:1fr;gap:12px;padding:18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:520px){
  .toc ol{grid-template-columns:1fr;}
  .hero h1{max-width:none;}
  .trust{gap:12px;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#C6D2CE;margin-top:80px;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--t-inv);font-weight:700;font-size:16px;}
.footer-brand .brand-mark{background:var(--c-primary);}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.85;color:#9FB3AD;max-width:36ch;}
.footer-title{font-size:14px;font-weight:600;color:var(--t-inv);margin-bottom:14px;}
.footer-link{display:block;font-size:14px;line-height:2;color:#9FB3AD;transition:color var(--ease);}
.footer-link:hover{color:#fff;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:#8FA39D;
}
.back-top{display:inline-flex;align-items:center;gap:6px;color:#9FB3AD;transition:color var(--ease);}
.back-top:hover{color:#fff;}
.back-top svg{width:14px;height:14px;}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .site-footer{padding-top:48px;}
}

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

/* roulang page: category2 */
:root{
    --c-primary:#0F5B4C;
    --c-primary-700:#0A473C;
    --c-primary-900:#093A31;
    --c-primary-50:#E7F1ED;
    --c-accent:#C86A3C;
    --c-accent-50:#FBEDE5;
    --c-bg:#F7F5F0;
    --c-card:#FFFFFF;
    --c-ink:#0B211D;
    --c-line:#E3E0D8;
    --c-line-2:#EFECE4;
    --c-text:#1A1F1E;
    --c-text-2:#5A6360;
    --c-text-3:#8A918E;
    --c-white:#F3F6F4;
    --c-mute:#8C7B72;
    --c-warn:#B8442C;
    --r-lg:16px;
    --r-md:14px;
    --r-btn:10px;
    --r-badge:6px;
    --r-img:12px;
    --sh-1:0 1px 2px rgba(11,33,29,.06);
    --sh-2:0 10px 30px rgba(11,33,29,.10);
    --sec-y:80px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--c-bg);
    color:var(--c-text);
    font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  button{background:none;border:0;cursor:pointer;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
  .num{font-variant-numeric:tabular-nums;}

  .wrap{max-width:1200px;margin:0 auto;padding:0 16px;}
  @media (min-width:768px){.wrap{padding:0 24px;}}
  @media (min-width:1024px){.wrap{padding:0 32px;}}

  /* ============ header ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(247,245,240,.94);
    border-bottom:1px solid var(--c-line);
    transition:box-shadow .18s ease-out;
  }
  .site-header.is-scrolled{box-shadow:var(--sh-1);}
  .header-inner{display:flex;align-items:center;gap:18px;height:56px;}
  @media (min-width:1024px){.header-inner{height:64px;gap:24px;}}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:34px;height:34px;border-radius:10px;
    background:var(--c-primary);color:#fff;
    display:flex;align-items:center;justify-content:center;
    transition:background .16s ease-out,transform .16s ease-out;
  }
  .brand-mark svg{width:19px;height:19px;}
  .brand:hover .brand-mark{background:var(--c-primary-700);transform:translateY(-1px);}
  .brand-text{font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--c-text);white-space:nowrap;}
  .nav-menu{display:none;}
  .nav-link{
    position:relative;
    display:inline-block;
    padding:9px 10px;
    font-size:14px;
    color:var(--c-text-2);
    transition:color .16s ease-out;
  }
  .nav-link::after{
    content:"";position:absolute;left:10px;right:10px;bottom:4px;
    height:2px;background:var(--c-primary);border-radius:2px;
    transform:scaleX(0);transform-origin:left center;
    transition:transform .18s ease-out;
  }
  .nav-link:hover{color:var(--c-primary);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link[aria-current="page"]{color:var(--c-primary);font-weight:600;}
  .nav-link[aria-current="page"]::after{transform:scaleX(1);}
  .header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
  .command-search{
    display:none;align-items:center;gap:8px;
    height:38px;width:270px;padding:0 10px;
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-btn);
    transition:border-color .16s ease-out,box-shadow .16s ease-out;
  }
  .command-search svg{width:16px;height:16px;color:var(--c-text-3);flex-shrink:0;}
  .command-search input{
    flex:1;min-width:0;border:0;outline:none;background:transparent;font-size:14px;
  }
  .command-search input::placeholder{color:var(--c-text-3);}
  .command-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,91,76,.20);}
  .kbd{
    font-size:12px;line-height:1;padding:4px 6px;border-radius:6px;
    background:var(--c-primary-50);color:var(--c-primary-700);border:1px solid #CFE3DB;
  }
  .quick-link{display:none;font-size:14px;color:var(--c-text-2);transition:color .16s ease-out;}
  .quick-link:hover{color:var(--c-primary);}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-btn);font-weight:600;
    transition:background .16s ease-out,color .16s ease-out,border-color .16s ease-out,transform .16s ease-out,box-shadow .16s ease-out;
    white-space:nowrap;
  }
  .btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
  .btn-primary:hover{background:var(--c-primary-700);transform:translateY(-1px);box-shadow:var(--sh-2);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:#fff;color:var(--c-text);border:1px solid var(--c-line);}
  .btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-50);}
  .btn-white{background:#fff;color:var(--c-ink);box-shadow:none;}
  .btn-white:hover{background:var(--c-primary-50);color:var(--c-primary-900);transform:translateY(-1px);}
  .btn-clay{background:var(--c-accent);color:#fff;}
  .btn-clay:hover{background:#B25C31;transform:translateY(-1px);}
  .btn-sm{height:38px;padding:0 16px;font-size:14px;}
  .btn-lg{height:46px;padding:0 22px;font-size:15px;}
  .btn-block{width:100%;}
  .nav-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);
    background:#fff;color:var(--c-text);
  }
  .nav-toggle svg{width:20px;height:20px;}
  @media (min-width:1024px){
    .nav-menu{display:flex;align-items:center;gap:4px;}
    .command-search{display:flex;}
    .quick-link{display:inline-block;}
    .nav-toggle{display:none;}
  }
  .mobile-drawer{
    display:none;
    border-top:1px solid var(--c-line);
    background:var(--c-bg);
    padding:14px 16px 20px;
  }
  .mobile-drawer.is-open{display:block;}
  .mobile-drawer .drawer-brand{display:flex;align-items:center;gap:10px;padding-bottom:12px;border-bottom:1px solid var(--c-line-2);margin-bottom:12px;}
  .mobile-drawer .drawer-brand span{font-size:15px;font-weight:700;}
  .mobile-drawer .drawer-link{display:block;padding:12px 4px;font-size:15px;color:var(--c-text-2);border-radius:8px;}
  .mobile-drawer .drawer-link[aria-current="page"]{color:var(--c-primary);font-weight:600;background:var(--c-primary-50);padding-left:12px;}
  .mobile-drawer .drawer-search{
    display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;margin:12px 0;
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-btn);
  }
  .mobile-drawer .drawer-search input{flex:1;min-width:0;border:0;outline:none;background:transparent;font-size:15px;}
  @media (min-width:1024px){.mobile-drawer{display:none !important;}}

  /* ============ breadcrumb ============ */
  .crumb{padding:14px 0 0;font-size:13px;color:var(--c-text-3);}
  .crumb a{color:var(--c-text-2);transition:color .16s ease-out;}
  .crumb a:hover{color:var(--c-primary);}
  .crumb span{margin:0 6px;color:var(--c-text-3);}

  /* ============ hero ============ */
  .hero{position:relative;padding:32px 0 56px;}
  .hero-panel{
    position:relative;
    border-radius:var(--r-lg);
    border:1px solid var(--c-line);
    background:linear-gradient(115deg,var(--c-primary-900) 0%,var(--c-primary) 58%,#12695A 100%);
    color:var(--c-white);
    overflow:hidden;
    padding:36px 24px 32px;
  }
  @media (min-width:768px){.hero-panel{padding:52px 44px 46px;}}
  .hero-bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-1.png');
    background-size:cover;background-position:center right;
    opacity:.28;
    mix-blend-mode:screen;
  }
  .hero-inner{position:relative;z-index:1;max-width:820px;}
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;letter-spacing:.02em;
    padding:6px 12px;border-radius:var(--r-badge);
    background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.28);
    color:#EAF3EF;
  }
  .hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:inline-block;font-style:normal;}
  .hero h1{
    margin-top:18px;
    font-size:clamp(30px,4.2vw,50px);
    font-weight:700;line-height:1.25;letter-spacing:-.02em;
    color:#fff;
  }
  .hero-sub{
    margin-top:14px;
    font-size:clamp(15px,1.6vw,17px);
    line-height:1.75;
    color:#D9E7E2;
    max-width:40em;
  }
  .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
  .hero-facts{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:26px;font-size:13px;color:#C7DAD3;}
  .hero-facts span{display:inline-flex;align-items:center;gap:8px;}
  .hero-facts svg{width:15px;height:15px;color:#8FC7B6;flex-shrink:0;}

  /* ============ metric strip ============ */
  .metric-strip{
    display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
    background:var(--c-line);
    border:1px solid var(--c-line);
    border-radius:var(--r-md);
    overflow:hidden;
    margin-top:8px;
  }
  @media (min-width:768px){.metric-strip{grid-template-columns:repeat(4,1fr);}}
  .metric-item{background:#fff;padding:18px 18px 16px;}
  .metric-item .m-num{
    font-size:clamp(26px,3.4vw,34px);font-weight:700;line-height:1.15;
    color:var(--c-primary-900);font-variant-numeric:tabular-nums;
  }
  .metric-item .m-num small{font-size:14px;font-weight:600;color:var(--c-text-2);margin-left:4px;}
  .metric-item .m-label{font-size:13px;color:var(--c-text-3);letter-spacing:.02em;margin-top:2px;}

  /* ============ sections ============ */
  .section{padding:44px 0;}
  @media (min-width:768px){.section{padding:64px 0;}}
  @media (min-width:1024px){.section{padding:80px 0;}}
  .sec-head{max-width:760px;}
  .sec-head h2{
    font-size:clamp(23px,2.8vw,34px);
    font-weight:700;line-height:1.3;letter-spacing:-.01em;
    color:var(--c-text);
  }
  .sec-head p{margin-top:12px;font-size:16px;color:var(--c-text-2);max-width:44em;}
  .eyebrow{
    display:inline-block;font-size:13px;letter-spacing:.02em;
    color:var(--c-primary-700);background:var(--c-primary-50);
    border:1px solid #CFE3DB;border-radius:var(--r-badge);
    padding:5px 10px;margin-bottom:14px;font-weight:600;
  }

  /* ============ feature matrix ============ */
  .matrix{display:grid;grid-template-columns:1fr;gap:20px;margin-top:34px;}
  @media (min-width:640px){.matrix{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.matrix{grid-template-columns:repeat(3,1fr);}}
  .feature-card{
    display:flex;flex-direction:column;
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
    box-shadow:var(--sh-1);overflow:hidden;
    transition:border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
  }
  .feature-card:hover{border-color:#CBD6D1;transform:translateY(-2px);box-shadow:var(--sh-2);}
  .card-thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--c-primary-50);border-bottom:1px solid var(--c-line-2);}
  .card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out;}
  .feature-card:hover .card-thumb img{transform:scale(1.02);}
  .card-thumb .thumb-badge{
    position:absolute;left:12px;top:12px;
    font-size:13px;letter-spacing:.02em;
    padding:4px 9px;border-radius:var(--r-badge);
    background:rgba(255,255,255,.94);color:var(--c-primary-700);
    border:1px solid rgba(15,91,76,.18);font-weight:600;
  }
  .card-body{padding:20px 20px 0;flex:1;}
  .card-body h3{font-size:19px;font-weight:600;line-height:1.4;color:var(--c-text);}
  .card-body p{margin-top:8px;font-size:14px;color:var(--c-text-2);line-height:1.75;}
  .check-list{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
  .check-list li{display:flex;gap:9px;font-size:14px;color:var(--c-text-2);line-height:1.7;}
  .check-list li svg{width:15px;height:15px;flex-shrink:0;margin-top:5px;color:var(--c-primary);}
  .card-foot{padding:18px 20px 20px;}
  .card-foot .btn{width:100%;height:42px;font-size:14px;}

  /* ============ flow (dark) ============ */
  .dark-band{
    background:var(--c-ink);
    color:var(--c-white);
    border-radius:var(--r-lg);
    padding:38px 24px;
  }
  @media (min-width:768px){.dark-band{padding:52px 44px;}}
  .dark-band h2{font-size:clamp(23px,2.8vw,34px);font-weight:700;line-height:1.3;color:#fff;}
  .dark-band .lead{margin-top:12px;font-size:15px;color:#B9CFC9;max-width:44em;}
  .flow{display:grid;grid-template-columns:1fr;gap:1px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-md);overflow:hidden;margin-top:30px;}
  @media (min-width:768px){.flow{grid-template-columns:repeat(3,1fr);}}
  .flow-item{background:var(--c-ink);padding:24px 22px;}
  .flow-step{
    display:inline-flex;align-items:center;justify-content:center;
    width:30px;height:30px;border-radius:9px;
    background:var(--c-accent);color:#fff;font-size:14px;font-weight:700;
    font-variant-numeric:tabular-nums;
  }
  .flow-item h3{margin-top:14px;font-size:19px;font-weight:600;color:#fff;}
  .flow-item p{margin-top:8px;font-size:14px;color:#B9CFC9;line-height:1.75;}
  .flow-item .hint{margin-top:12px;font-size:13px;color:#8FC7B6;}

  /* ============ checklist columns ============ */
  .check-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:32px;}
  @media (min-width:768px){.check-grid{grid-template-columns:repeat(3,1fr);}}
  .panel{
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
    padding:22px;box-shadow:var(--sh-1);
  }
  .panel h3{font-size:19px;font-weight:600;display:flex;align-items:center;gap:10px;}
  .panel .p-ico{
    width:32px;height:32px;border-radius:9px;background:var(--c-primary-50);
    display:inline-flex;align-items:center;justify-content:center;color:var(--c-primary);
  }
  .panel .p-ico svg{width:17px;height:17px;}
  .panel ul{margin-top:14px;display:flex;flex-direction:column;gap:11px;}
  .panel li{font-size:14px;color:var(--c-text-2);line-height:1.75;padding-left:14px;position:relative;}
  .panel li::before{content:"";position:absolute;left:0;top:10px;width:5px;height:5px;border-radius:50%;background:var(--c-accent);}
  .tip-bar{
    margin-top:22px;display:flex;gap:12px;
    background:var(--c-accent-50);border:1px solid #EFD6C6;border-left:3px solid var(--c-accent);
    border-radius:10px;padding:16px 18px;font-size:14px;color:#7B4626;line-height:1.75;
  }
  .tip-bar svg{width:18px;height:18px;flex-shrink:0;margin-top:4px;color:var(--c-accent);}

  /* ============ faq ============ */
  .faq-card{
    margin-top:32px;background:#fff;border:1px solid var(--c-line);
    border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;
  }
  .faq-item + .faq-item{border-top:1px solid var(--c-line-2);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:17px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--c-text);
    min-height:56px;transition:background .16s ease-out;
  }
  .faq-q:hover{background:var(--c-primary-50);}
  .faq-q svg{width:18px;height:18px;color:var(--c-primary);flex-shrink:0;transition:transform .18s ease-out;}
  .faq-q[aria-expanded="true"] svg{transform:rotate(180deg);}
  .faq-a{display:none;padding:0 20px 20px;background:var(--c-primary-50);}
  .faq-a.is-open{display:block;}
  .faq-a p{font-size:15px;line-height:1.8;color:var(--c-text-2);padding-top:14px;}

  /* ============ CTA ============ */
  .cta-band{
    background:var(--c-primary-900);
    border-radius:var(--r-lg);
    padding:38px 24px;
    color:#fff;
  }
  @media (min-width:768px){.cta-band{padding:52px 44px;}}
  .cta-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;}
  @media (min-width:1024px){.cta-grid{grid-template-columns:1.15fr .85fr;gap:44px;}}
  .cta-band h2{font-size:clamp(23px,2.8vw,32px);font-weight:700;line-height:1.3;color:#fff;}
  .cta-band p{margin-top:12px;font-size:15px;color:#BFD6CF;max-width:40em;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
  .cta-textlink{font-size:14px;color:#BFD6CF;text-decoration:underline;text-underline-offset:4px;align-self:center;transition:color .16s ease-out;}
  .cta-textlink:hover{color:#fff;}
  .cta-card{
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.18);
    border-radius:var(--r-md);
    padding:22px;
  }
  .cta-card .cc-title{font-size:14px;font-weight:600;color:#fff;letter-spacing:.02em;}
  .cta-card ul{margin-top:14px;display:flex;flex-direction:column;gap:10px;}
  .cta-card li{display:flex;gap:9px;font-size:14px;color:#C7DAD3;line-height:1.7;}
  .cta-card li svg{width:15px;height:15px;flex-shrink:0;margin-top:5px;color:#8FC7B6;}
  .cta-card .cc-note{margin-top:16px;font-size:13px;color:#9FBDB4;line-height:1.7;}

  /* ============ footer ============ */
  .site-footer{
    margin-top:64px;
    background:var(--c-ink);
    color:var(--c-white);
    padding:52px 0 24px;
  }
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
  @media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:#fff;}
  .footer-brand .brand-mark{background:var(--c-primary);color:#fff;}
  .footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:#9FBDB4;max-width:30em;}
  .footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:12px;}
  .footer-link{display:block;font-size:14px;line-height:2;color:#9FBDB4;transition:color .16s ease-out;}
  .footer-link:hover{color:#fff;}
  .footer-bottom{
    margin-top:40px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);
    display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;
    font-size:13px;color:#8A9E98;
  }
  .back-top{display:inline-flex;align-items:center;gap:6px;color:#9FBDB4;transition:color .16s ease-out;}
  .back-top svg{width:15px;height:15px;}
  .back-top:hover{color:#fff;}

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

/* roulang page: category3 */
:root{
  --c-primary:#0F5B4C;
  --c-primary-700:#0A473C;
  --c-primary-900:#093A31;
  --c-primary-50:#E7F1ED;
  --c-accent:#C86A3C;
  --c-accent-700:#B25A2F;
  --c-accent-50:#FBEDE5;
  --c-bg:#F7F5F0;
  --c-ink:#0B211D;
  --c-line:#E3E0D8;
  --c-line-2:#EFECE4;
  --t-main:#1A1F1E;
  --t-sub:#5A6360;
  --t-weak:#8A918E;
  --t-inv:#F3F6F4;
  --c-muted:#8C7B72;
  --c-warn:#B8442C;
  --r-lg:16px;
  --r-md:14px;
  --r-sm:10px;
  --r-badge:6px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(11,33,29,.06);
  --sh-2:0 10px 30px rgba(11,33,29,.10);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--t-main);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
input,select,textarea{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
[hidden]{display:none !important}
figure{margin:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.94);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .18s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--c-primary-900);white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--c-primary);color:#fff;display:grid;place-items:center;flex:0 0 auto}
.brand-mark svg{width:18px;height:18px}
.brand-short{display:none;font-size:15px;font-weight:700;color:var(--c-primary-900)}
.nav-menu{display:flex;align-items:center;gap:2px}
.nav-link{position:relative;padding:8px 12px;font-size:14px;color:var(--t-sub);transition:color .16s ease-out;white-space:nowrap}
.nav-link::after{
  content:'';position:absolute;left:12px;right:12px;bottom:1px;height:2px;
  background:var(--c-primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease-out;
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--c-primary);font-weight:600}
.nav-link[aria-current="page"]::after{transform:scaleX(1)}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:14px}
.search-box{
  display:flex;align-items:center;gap:8px;height:38px;width:290px;padding:0 10px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-sm);
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.search-box svg{width:16px;height:16px;color:var(--t-weak);flex:0 0 auto}
.search-box input{flex:1;border:0;outline:0;background:transparent;font-size:14px;color:var(--t-main);min-width:0}
.search-box input::placeholder{color:var(--t-weak)}
.search-box kbd{
  font-family:inherit;font-size:12px;color:var(--t-weak);
  border:1px solid var(--c-line);border-radius:4px;padding:0 5px;line-height:18px;
}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,91,76,.2)}
.header-quick{font-size:14px;color:var(--t-sub);white-space:nowrap;transition:color .16s ease-out}
.header-quick:hover{color:var(--c-primary)}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-sm);color:var(--t-main);cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px}
.mobile-drawer{
  position:absolute;left:0;right:0;top:64px;z-index:59;
  background:#fff;border-bottom:1px solid var(--c-line);box-shadow:var(--sh-2);
  padding:16px;display:flex;flex-direction:column;gap:12px;
}
.mobile-brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:var(--c-primary-900);padding-bottom:4px}
.mobile-drawer .nav-link{padding:12px;border-radius:var(--r-sm);background:var(--c-bg);font-size:15px}
.mobile-drawer .nav-link::after{display:none}
.mobile-drawer .search-box{width:100%}
.mobile-drawer .btn{width:100%}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background .16s ease-out,border-color .16s ease-out,color .16s ease-out,transform .16s ease-out,box-shadow .16s ease-out;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-700);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;border-color:var(--c-line);color:var(--t-main)}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-50)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:var(--c-accent-700);transform:translateY(-1px);box-shadow:0 10px 30px rgba(11,33,29,.22)}
.btn-ghost{background:#fff;color:var(--c-ink)}
.btn-ghost:hover{background:var(--c-accent-50);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;color:var(--t-inv);
  background:var(--c-primary-900) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.page-hero::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(9,58,49,.95) 0%,rgba(9,58,49,.86) 44%,rgba(9,58,49,.58) 100%);
}
.page-hero .wrap{position:relative;z-index:1;padding-top:22px;padding-bottom:66px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(243,246,244,.62);flex-wrap:wrap}
.crumbs a{transition:color .16s ease-out}
.crumbs a:hover{color:#fff}
.crumbs span.sep{color:rgba(243,246,244,.36)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:start;margin-top:32px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.02em;
  padding:5px 12px;border-radius:var(--r-badge);
  background:rgba(200,106,60,.18);border:1px solid rgba(200,106,60,.5);color:#F6D7C6;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:block}
.page-hero h1{
  margin-top:18px;font-size:clamp(30px,4.2vw,50px);font-weight:700;line-height:1.25;letter-spacing:-.02em;color:#fff;
}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:rgba(243,246,244,.82);max-width:600px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-cta .btn-outline{border-color:rgba(243,246,244,.36);color:#fff}
.hero-cta .btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.12);color:#fff}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.fact-chip{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(243,246,244,.8);
  padding:6px 12px;border-radius:var(--r-badge);border:1px solid rgba(243,246,244,.2);
}
.fact-chip b{color:#fff;font-variant-numeric:tabular-nums}

.locate-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(243,246,244,.18);border-radius:var(--r-lg);
  padding:22px;box-shadow:0 18px 44px rgba(0,0,0,.18);
}
.locate-head{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:#fff;padding-bottom:6px}
.locate-dot{width:8px;height:8px;border-radius:50%;background:#6FD3B6;box-shadow:0 0 0 4px rgba(111,211,182,.18)}
.locate-row{
  display:flex;align-items:center;gap:14px;padding:14px 0;border-top:1px solid rgba(243,246,244,.14);
  transition:transform .18s ease-out;
}
.locate-row:hover{transform:translateX(4px)}
.locate-num{
  flex:0 0 auto;width:32px;height:32px;border-radius:9px;display:grid;place-items:center;
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
  background:rgba(243,246,244,.1);color:#BFE3D6;
}
.locate-text{flex:1;min-width:0}
.locate-text b{display:block;font-size:15px;font-weight:600;color:#fff}
.locate-text em{display:block;font-style:normal;font-size:13px;color:rgba(243,246,244,.62);line-height:1.6}
.locate-row svg{width:16px;height:16px;color:rgba(243,246,244,.5);flex:0 0 auto}

/* ---------- sections ---------- */
.section{padding:80px 0}
.section + .section{padding-top:0}
.section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-alt + .section{padding-top:80px}
.h2{font-size:clamp(23px,2.8vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--c-ink)}
.section-head{max-width:760px}
.section-head p{margin-top:14px;font-size:16px;color:var(--t-sub)}
.lead{font-size:16px;color:var(--t-sub);margin-top:14px;max-width:720px}

/* ---------- question groups ---------- */
.groups{margin-top:44px;display:flex;flex-direction:column;gap:26px}
.q-group{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;scroll-margin-top:90px;
}
.q-group-head{display:flex;gap:16px;align-items:flex-start;padding:22px 26px;border-bottom:1px solid var(--c-line-2)}
.q-index{
  flex:0 0 auto;width:42px;height:42px;border-radius:var(--r-sm);display:grid;place-items:center;
  background:var(--c-primary-50);color:var(--c-primary);font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
}
.q-group-head h3{font-size:19px;font-weight:600;line-height:1.4;color:var(--c-ink)}
.q-group-head p{margin-top:6px;font-size:14px;line-height:1.7;color:var(--t-weak)}
.faq-item{border-top:1px solid var(--c-line-2)}
.faq-item:first-child{border-top:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 26px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--t-main);cursor:pointer;
  transition:background .16s ease-out,color .16s ease-out;
}
.faq-q:hover{background:var(--c-primary-50);color:var(--c-primary-700)}
.faq-q span{text-align:left}
.faq-arrow{flex:0 0 auto;width:18px;height:18px;color:var(--t-weak);transition:transform .2s ease-out,color .2s ease-out}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);color:var(--c-primary)}
.faq-item.is-open .faq-q{color:var(--c-primary-700)}
.faq-a{
  padding:14px 26px 22px;background:var(--c-primary-50);
  font-size:15px;line-height:1.8;color:var(--t-sub);
}
.faq-a p{margin:0}
.faq-a p + p{margin-top:10px}
.faq-a b{color:var(--c-primary-700)}

/* ---------- compare table ---------- */
.cmp-wrap{
  margin-top:40px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow-x:auto;
}
table.cmp{width:100%;border-collapse:collapse;min-width:740px}
.cmp th,.cmp td{padding:16px 22px;text-align:left;font-size:15px;vertical-align:top;border-top:1px solid var(--c-line-2)}
.cmp thead th{
  border-top:0;background:#F2F7F4;font-size:14px;font-weight:600;color:var(--c-primary);letter-spacing:.02em;
}
.cmp tbody th{
  font-weight:600;color:var(--c-ink);background:#fff;width:150px;font-size:15px;
}
.cmp tbody td{color:var(--t-sub);line-height:1.75}
.cmp tbody tr:hover td,.cmp tbody tr:hover th{background:#FAFCFB}
.cmp .col-self{color:var(--t-sub)}
.cmp .col-sub{color:var(--c-primary-700)}
.cmp-tip{margin-top:14px;font-size:13px;color:var(--t-weak)}

/* ---------- prepare ---------- */
.prep-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:center}
.prep-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);background:var(--c-primary-50)}
.prep-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;transition:transform .2s ease-out}
.prep-media:hover img{transform:scale(1.02)}
.prep-list{margin-top:30px;display:flex;flex-direction:column;gap:20px}
.prep-list li{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:18px 20px;transition:border-color .16s ease-out,transform .16s ease-out}
.prep-list li:hover{border-color:#CBD6D1;transform:translateY(-2px)}
.prep-num{
  flex:0 0 auto;width:28px;height:28px;border-radius:8px;display:grid;place-items:center;
  background:var(--c-accent-50);color:var(--c-accent);font-weight:700;font-size:14px;font-variant-numeric:tabular-nums;
}
.prep-list b{display:block;font-size:16px;font-weight:600;color:var(--c-ink)}
.prep-list p{margin-top:4px;font-size:14px;line-height:1.7;color:var(--t-sub)}

/* ---------- form card ---------- */
.entry-card{
  max-width:840px;margin:0 auto;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:34px;
}
.entry-head{max-width:640px}
.entry-head p{margin-top:12px;font-size:15px;color:var(--t-sub)}
.entry-form{margin-top:28px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--t-main);margin-bottom:8px}
.field .req{color:var(--c-primary)}
.field input,.field select,.field textarea{
  width:100%;height:44px;padding:0 14px;font-size:15px;color:var(--t-main);
  background:#fff;border:1px solid #DCD8CE;border-radius:var(--r-sm);
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.75;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--t-weak)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,91,76,.2);
}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:13px;line-height:1.7;color:var(--t-sub);margin:4px 0 20px}
.agree input{width:16px;height:16px;margin-top:3px;accent-color:var(--c-primary);flex:0 0 auto}
.form-note{margin-top:12px;font-size:13px;color:var(--t-weak);text-align:center}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;color:var(--t-inv);
  background:var(--c-primary-900) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.cta-band::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(95deg,rgba(9,58,49,.95) 0%,rgba(9,58,49,.82) 55%,rgba(9,58,49,.6) 100%);
}
.cta-inner{
  position:relative;z-index:1;padding-top:60px;padding-bottom:60px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;color:#fff}
.cta-inner p{margin-top:12px;font-size:15px;color:rgba(243,246,244,.78);max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:var(--t-inv)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(243,246,244,.12);color:#fff}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(243,246,244,.66);max-width:320px}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:12px}
.footer-link{display:block;font-size:14px;line-height:2;color:rgba(243,246,244,.68);transition:color .16s ease-out}
.footer-link:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(243,246,244,.14);padding:18px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(243,246,244,.55);
}
.back-top{display:inline-flex;align-items:center;gap:6px;color:rgba(243,246,244,.7);transition:color .16s ease-out}
.back-top svg{width:14px;height:14px}
.back-top:hover{color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .search-box{width:240px}
}
@media (max-width:1024px){
  .wrap{padding:0 24px}
  .nav-menu{display:none}
  .search-box{display:none}
  .header-quick{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:64px 0}
  .section-alt + .section{padding-top:64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .prep-grid{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;padding:48px 0 32px}
}
@media (max-width:767px){
  .cmp-wrap{overflow:visible;border:0;box-shadow:none;background:transparent;margin-top:28px}
  table.cmp{min-width:0;display:block}
  .cmp thead{display:none}
  .cmp tbody,.cmp tr,.cmp th,.cmp td{display:block;width:100%}
  .cmp tbody tr{
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
    box-shadow:var(--sh-1);margin-bottom:14px;overflow:hidden;
  }
  .cmp tbody th,.cmp tbody td{border-top:1px solid var(--c-line-2);padding:12px 16px}
  .cmp tbody th{border-top:0;background:#F2F7F4;font-size:15px;color:var(--c-primary-900)}
  .cmp tbody td::before{
    content:attr(data-label);display:block;font-size:13px;color:var(--t-weak);margin-bottom:4px;
  }
  .cmp-tip{margin-top:4px}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .brand-name{display:none}
  .brand-short{display:inline}
  .header-inner{height:56px}
  .mobile-drawer{top:56px}
  .section{padding:48px 0}
  .section-alt + .section{padding-top:48px}
  .page-hero .wrap{padding-top:16px;padding-bottom:48px}
  .hero-sub{font-size:16px}
  .hero-cta .btn{width:100%}
  .q-group-head{padding:18px 18px}
  .faq-q{padding:14px 18px;font-size:15px}
  .faq-a{padding:12px 18px 20px;font-size:14.5px}
  .entry-card{padding:22px}
  .field-row{grid-template-columns:1fr;gap:0}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-inner{padding-top:44px;padding-bottom:44px}
  .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
}