/* roulang page: index */
:root{
  --ink:#0E3B34;
  --ink-deep:#08221D;
  --ink-light:#14574C;
  --lime:#C6F24E;
  --orange:#FF6A3D;
  --orange-dark:#E55629;
  --sand:#F6F4EE;
  --dark:#0B1A17;
  --gray:#EFEEE6;
  --text:#16211E;
  --muted:#5A6B66;
  --on-dark:#F2F7F5;
  --line:#E1E0D5;
  --line-dark:rgba(255,255,255,.12);
  --r-card:16px;
  --r-panel:12px;
  --r-img:12px;
  --sh-soft:0 12px 32px rgba(11,26,23,.08);
  --sh-hover:0 18px 40px rgba(11,26,23,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t-btn:180ms;
  --t-card:220ms;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",-apple-system,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--sand);
  overflow-x:hidden;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--ink);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.015em;line-height:1.28;font-variant-numeric:tabular-nums;}
p{color:var(--text);}
::selection{background:var(--lime);color:var(--ink-deep);}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

/* ---------- 容器 ---------- */
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
@media (min-width:1440px){.grid-container{max-width:1280px;}}
@media (max-width:640px){.grid-container{padding-left:18px;padding-right:18px;}}

.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--gray{background:var(--gray);}
.section--dark{background:var(--dark);color:var(--on-dark);}
.section--dark p{color:rgba(242,247,245,.78);}
@media (max-width:1023px){.section{padding:72px 0;}.section--tight{padding:56px 0;}}
@media (max-width:639px){.section{padding:56px 0;}.section--tight{padding:44px 0;}}

/* ---------- 通用标题 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head__left{max-width:720px;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.14em;
  font-weight:700;
  color:var(--ink-light);
  text-transform:uppercase;
  margin-bottom:12px;
}
.section--dark .eyebrow{color:var(--lime);}
.section-head h2{font-size:clamp(24px,3.2vw,36px);}
.section-head p{margin-top:10px;color:var(--muted);font-size:15px;line-height:1.8;}
.link-more{
  font-size:15px;font-weight:700;color:var(--ink);white-space:nowrap;position:relative;padding-bottom:2px;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--lime);
  transition:width var(--t-btn) var(--ease);
}
.link-more:hover::after{width:100%;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:999px;border:1.5px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.01em;cursor:pointer;
  transition:background var(--t-btn) var(--ease),color var(--t-btn) var(--ease),
             transform var(--t-btn) var(--ease),box-shadow var(--t-btn) var(--ease),
             border-color var(--t-btn) var(--ease);
}
.btn--primary{background:var(--orange);color:#fff;box-shadow:0 2px 0 var(--orange-dark);}
.btn--primary:hover{background:#FF7C52;color:#fff;box-shadow:0 0 0 rgba(0,0,0,0);}
.btn--primary:active{transform:translateY(1px);box-shadow:0 0 0 rgba(0,0,0,0);}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn--ghost:hover{background:rgba(14,59,52,.08);color:var(--ink);}
.btn--ghost:active{background:rgba(14,59,52,.14);transform:translateY(1px);}
.btn--ghost-light{background:transparent;color:var(--on-dark);border-color:rgba(242,247,245,.5);}
.btn--ghost-light:hover{background:rgba(242,247,245,.12);color:#fff;border-color:var(--on-dark);}
.btn--sm{height:38px;padding:0 20px;font-size:14px;}
.btn--lg{height:52px;padding:0 32px;font-size:16px;}
.btn--block{width:100%;}
.btn--square{border-radius:10px;}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;font-size:12px;font-weight:700;letter-spacing:.02em;}
.badge--soft{background:rgba(14,59,52,.08);color:var(--ink);}
.badge--lime{background:var(--lime);color:var(--ink-deep);}
.badge--orange{background:var(--orange);color:#fff;}
.badge--ghost{background:rgba(242,247,245,.12);color:var(--on-dark);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,238,.94);
  border-bottom:1px solid var(--line);
  transition:background var(--t-btn) var(--ease),box-shadow var(--t-btn) var(--ease);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(11,26,23,.08);}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height var(--t-btn) var(--ease);}
.site-header.is-scrolled .nav-bar{height:60px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.01em;color:var(--ink-deep);}
.brand__mark{
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--ink);color:var(--lime);flex:0 0 auto;
}
.brand__text{white-space:nowrap;}
.brand__text em{font-style:normal;color:var(--ink-light);}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--text);padding:8px 12px;border-radius:999px;
  transition:background var(--t-btn) var(--ease),color var(--t-btn) var(--ease);
}
.nav-link:hover{background:rgba(14,59,52,.08);color:var(--ink);}
.nav-link::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:0;height:3px;width:0;
  border-radius:3px;background:var(--lime);transition:width var(--t-btn) var(--ease);
}
.nav-link.is-active{font-weight:800;color:var(--ink-deep);}
.nav-link.is-active::after{width:60%;}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-search{display:none;align-items:center;gap:8px;height:38px;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:#fff;}
.nav-search input{border:0;outline:0;font-size:14px;width:130px;background:transparent;color:var(--text);}
.nav-search svg{flex:0 0 auto;color:var(--muted);}
@media (min-width:1120px){.nav-search{display:flex;}}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;color:var(--ink);cursor:pointer;
  transition:background var(--t-btn) var(--ease);
}
.nav-toggle:hover{background:var(--gray);}
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-bar{height:64px;}
  .site-header.is-scrolled .nav-bar{height:60px;}
  .brand{font-size:17px;}
}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,86vw);z-index:120;
  background:var(--dark);color:var(--on-dark);
  transform:translateX(102%);transition:transform 260ms var(--ease);
  display:flex;flex-direction:column;padding:22px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,26,23,.5);z-index:110;opacity:0;visibility:hidden;
  transition:opacity 260ms var(--ease),visibility 260ms var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer__head span{font-weight:800;font-size:17px;}
.drawer__close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line-dark);background:transparent;color:var(--on-dark);cursor:pointer;display:flex;align-items:center;justify-content:center;}
.drawer__close:hover{background:rgba(242,247,245,.1);}
.drawer__title{font-size:12px;letter-spacing:.16em;color:var(--lime);font-weight:700;margin:18px 0 8px;}
.drawer__link{
  display:flex;align-items:center;height:56px;padding:0 4px;font-size:16px;font-weight:600;
  color:rgba(242,247,245,.9);border-bottom:1px solid var(--line-dark);
}
.drawer__link:hover{color:var(--lime);}
.drawer__cta{margin-top:auto;margin-top:26px;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink-deep);color:var(--on-dark);}
.hero__bg{position:absolute;inset:0;}
.hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.5;}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(8,34,29,.96) 0%,rgba(8,34,29,.88) 42%,rgba(11,26,23,.55) 74%,rgba(11,26,23,.35) 100%);
}
.hero__inner{position:relative;z-index:2;padding:86px 0 78px;}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);
  letter-spacing:-.02em;
  line-height:1.2;
  color:#fff;
  margin:16px 0 18px;
}
.hero__sub{font-size:17px;line-height:1.85;color:rgba(242,247,245,.82);max-width:600px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0 40px;}
.hero__stats{display:flex;flex-wrap:wrap;gap:12px 40px;border-top:1px solid var(--line-dark);padding-top:24px;}
.hero__stat strong{display:block;font-size:26px;font-weight:800;color:var(--lime);font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.hero__stat span{font-size:12px;color:rgba(242,247,245,.66);}
.hero__card{
  position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line-dark);
  box-shadow:0 24px 60px rgba(0,0,0,.32);background:#0f2a25;
}
.hero__card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.hero__card-body{padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:14px;background:rgba(11,26,23,.86);}
.hero__card-body strong{font-size:15px;color:#fff;display:block;}
.hero__card-body span{font-size:12px;color:rgba(242,247,245,.6);}
.hero__side-note{margin-top:16px;font-size:13px;color:rgba(242,247,245,.6);}
.hero__aside{padding-left:36px;}
@media (max-width:1023px){
  .hero__aside{padding-left:0;margin-top:38px;}
  .hero__inner{padding:56px 0 52px;}
  .hero__actions{margin:26px 0 30px;}
}
@media (max-width:639px){
  .hero__stats{gap:18px 28px;}
  .hero__stat strong{font-size:22px;}
}

/* ---------- 卡片通用 ---------- */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform var(--t-card) var(--ease),box-shadow var(--t-card) var(--ease),border-color var(--t-card) var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#D5D4C6;}
.card__media{position:relative;overflow:hidden;background:var(--ink);}
.card__media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform var(--t-card) var(--ease);}
.card:hover .card__media img{transform:scale(1.03);}
.card__media--wide img{aspect-ratio:16/9;}
.card__tag{position:absolute;top:12px;left:12px;z-index:2;}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card__title{font-size:19px;font-weight:800;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__desc{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);}
.card__param{font-size:15px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;}
.card__param small{font-weight:600;font-size:12px;color:var(--muted);margin-left:4px;}
.card--feature .card__body{padding:24px;}
.card--feature .card__title{font-size:23px;}

/* ---------- 分类入口 ---------- */
.cat-entry{
  display:flex;gap:20px;align-items:flex-start;padding:26px;border-radius:var(--r-card);
  background:#fff;border:1px solid var(--line);height:100%;
  transition:transform var(--t-card) var(--ease),box-shadow var(--t-card) var(--ease);
}
.cat-entry:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.cat-entry__icon{
  width:46px;height:46px;border-radius:12px;background:rgba(14,59,52,.08);color:var(--ink);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.cat-entry h3{font-size:19px;margin-bottom:6px;}
.cat-entry p{font-size:14px;color:var(--muted);line-height:1.75;}
.cat-entry__more{margin-top:14px;font-size:14px;font-weight:700;color:var(--orange);display:inline-flex;align-items:center;gap:6px;}

/* ---------- 评价轨道 ---------- */
.review-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:8px;scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none;}
.review-card{
  flex:0 0 calc((100% - 40px)/3);scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  display:flex;flex-direction:column;gap:14px;
  transition:transform var(--t-card) var(--ease),box-shadow var(--t-card) var(--ease);
}
.review-card:hover{transform:translateY(-2px);box-shadow:var(--sh-soft);}
.review-card__top{display:flex;align-items:center;gap:12px;}
.avatar{
  width:42px;height:42px;border-radius:50%;background:var(--ink);color:var(--lime);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;flex:0 0 auto;
}
.review-card__name{font-weight:700;font-size:15px;}
.review-card__from{font-size:12px;color:var(--muted);}
.stars{color:var(--orange);font-size:13px;letter-spacing:2px;}
.review-card blockquote{font-size:15px;line-height:1.8;color:var(--text);}
.review-nav{display:flex;gap:10px;}
.review-nav button{
  width:40px;height:40px;border-radius:50%;border:1.5px solid var(--ink);background:transparent;
  color:var(--ink);display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background var(--t-btn) var(--ease),color var(--t-btn) var(--ease);
}
.review-nav button:hover{background:var(--ink);color:var(--lime);}
@media (max-width:1023px){.review-card{flex:0 0 calc((100% - 20px)/2);}}
@media (max-width:639px){.review-card{flex:0 0 100%;}}

/* ---------- 保障条 ---------- */
.guard-bar{background:var(--gray);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.guard-item{display:flex;gap:14px;align-items:flex-start;padding:28px 0;}
.guard-item__icon{color:var(--ink);flex:0 0 auto;margin-top:2px;}
.guard-item strong{display:block;font-size:15px;font-weight:800;margin-bottom:4px;}
.guard-item span{font-size:13px;color:var(--muted);line-height:1.7;}

/* ---------- 深色 CTA ---------- */
.cta-block{
  background:var(--dark);color:var(--on-dark);border-radius:20px;padding:48px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
  border:1px solid var(--line-dark);
}
.cta-block h2{font-size:clamp(22px,2.6vw,30px);color:#fff;margin-bottom:10px;}
.cta-block p{font-size:15px;max-width:560px;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;align-items:center;}
.cta-form input{
  height:48px;border-radius:10px;border:1px solid var(--line-dark);background:rgba(242,247,245,.06);
  color:#fff;padding:0 16px;font-size:15px;min-width:240px;outline:none;
  transition:border-color var(--t-btn) var(--ease),box-shadow var(--t-btn) var(--ease);
}
.cta-form input::placeholder{color:rgba(242,247,245,.45);}
.cta-form input:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(198,242,78,.18);}
.cta-note{font-size:12px;color:rgba(242,247,245,.5);margin-top:14px;}
@media (max-width:1023px){.cta-block{padding:36px 28px;}}
@media (max-width:639px){.cta-form input{min-width:0;width:100%;}}

/* ---------- 最新信息（CMS 注入位） ---------- */
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);height:100%;
  transition:transform var(--t-card) var(--ease),box-shadow var(--t-card) var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-soft);}
.news-card__link{display:flex;flex-direction:column;gap:10px;padding:22px;height:100%;}
.news-card__title{font-size:18px;font-weight:800;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card--lead .news-card__title{font-size:22px;}
.news-card__desc{font-size:14px;color:var(--muted);line-height:1.72;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card__foot{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;}
.news-card--lead{display:flex;flex-direction:column;}
.news-card--lead .news-card__media{overflow:hidden;border-radius:var(--r-card) var(--r-card) 0 0;}
.news-card--lead .news-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform var(--t-card) var(--ease);}
.news-card--lead:hover .news-card__media img{transform:scale(1.03);}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  padding:48px 24px;text-align:center;color:var(--muted);
}
.empty-state svg{color:var(--ink-light);margin:0 auto 14px;}
.empty-state p{font-size:15px;}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq__item{border-bottom:1px solid var(--line);}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  padding:22px 0;font-size:17px;font-weight:700;color:var(--text);
  transition:color var(--t-btn) var(--ease);
}
.faq__q:hover{color:var(--ink-light);}
.faq__icon{
  width:32px;height:32px;border-radius:50%;border:1px solid var(--line);flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;color:var(--ink);
  transition:transform 240ms var(--ease),background 240ms var(--ease),border-color 240ms var(--ease);
}
.faq__item.is-open .faq__icon{transform:rotate(180deg);background:var(--lime);border-color:var(--lime);color:var(--ink-deep);}
.faq__a{max-height:0;overflow:hidden;transition:max-height 240ms var(--ease),opacity 240ms var(--ease);opacity:0;}
.faq__item.is-open .faq__a{max-height:360px;opacity:1;}
.faq__a p{font-size:15px;line-height:1.85;color:var(--muted);padding-bottom:24px;max-width:820px;}
@media (max-width:639px){.faq__q{font-size:16px;padding:18px 0;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(242,247,245,.72);border-top:1px solid var(--line-dark);padding-top:64px;}
.site-footer h4{font-size:14px;font-weight:800;color:var(--lime);letter-spacing:.06em;margin-bottom:18px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-brand .brand__mark{width:34px;height:34px;border-radius:10px;background:rgba(198,242,78,.14);color:var(--lime);}
.footer-about{font-size:14px;line-height:1.85;max-width:320px;}
.footer-links li{margin-bottom:12px;}
.footer-links a{font-size:14px;color:rgba(242,247,245,.72);display:inline-block;transition:color var(--t-btn) var(--ease),transform var(--t-btn) var(--ease);}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact p{font-size:14px;line-height:1.9;margin-bottom:8px;}
.footer-contact strong{color:#fff;font-weight:700;}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--line-dark);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(242,247,245,.5);
}
@media (max-width:1023px){.site-footer{padding-top:48px;}}

/* roulang page: article */
:root{
  --ink:#0E3B34;
  --ink-deep:#08221D;
  --ink-soft:#14574C;
  --lime:#C6F24E;
  --orange:#FF6A3D;
  --sand:#F6F4EE;
  --dark:#0B1A17;
  --grey:#EFEEE6;
  --text:#16211E;
  --muted:#5A6B66;
  --inverse:#F2F7F5;
  --line:#E1E0D5;
  --line-dark:rgba(255,255,255,.12);
  --r-card:16px;
  --r-panel:12px;
  --r-img:12px;
  --shadow:0 12px 32px rgba(11,26,23,.08);
  --shadow-hover:0 18px 40px rgba(11,26,23,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--sand);
  color:var(--text);
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",-apple-system,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;}
a:hover{color:var(--ink-soft);}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.015em;color:var(--ink-deep);margin:0;}
p{margin:0 0 1.2em;}
ul,ol{margin:0 0 1.2em;padding-left:1.2em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
@media (min-width:1440px){.grid-container{max-width:1280px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,238,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:72px;transition:height .24s var(--ease);
}
.site-header.is-stuck .header-inner{height:60px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:800;font-size:18px;color:var(--ink);letter-spacing:-.01em;
}
.brand__mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--lime);
  display:grid;place-items:center;flex:0 0 auto;
}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;font-size:15px;color:var(--text);padding:8px 12px;
  border-radius:999px;transition:background .18s var(--ease),color .18s var(--ease);
}
.nav-link:hover{background:rgba(14,59,52,.08);color:var(--ink);}
.nav-link.is-active{font-weight:700;color:var(--ink);}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:0;width:60%;height:3px;
  transform:translateX(-50%);background:var(--lime);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;border:0;cursor:pointer;
  font-size:15px;font-weight:700;line-height:1;transition:all .18s var(--ease);
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 2px 0 rgba(8,34,29,.18);}
.btn-primary:hover{background:#ff7d55;color:#fff;box-shadow:0 0 0 rgba(0,0,0,0);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;color:var(--ink);border:1.5px solid rgba(14,59,52,.45);
}
.btn-ghost:hover{background:rgba(14,59,52,.14);color:var(--ink);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.nav-cta{height:40px;padding:0 20px;font-size:14px;border-radius:999px;}

.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);border-radius:10px;color:var(--ink);
}
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(88vw,360px);background:var(--dark);
  color:var(--inverse);z-index:90;transform:translateX(102%);
  transition:transform .26s var(--ease);display:flex;flex-direction:column;
  padding:20px 22px 24px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head .brand{color:var(--inverse);font-size:17px;}
.drawer-close{
  width:44px;height:44px;display:grid;place-items:center;background:transparent;
  border:1px solid var(--line-dark);border-radius:10px;color:var(--inverse);cursor:pointer;
}
.drawer-label{font-size:12px;letter-spacing:.12em;color:var(--lime);margin:18px 0 8px;}
.drawer-list{list-style:none;margin:0;padding:0;}
.drawer-list li{border-bottom:1px solid var(--line-dark);}
.drawer-list a{
  display:flex;align-items:center;height:56px;color:var(--inverse);font-size:16px;
}
.drawer-list a.is-active{color:var(--lime);font-weight:700;}
.drawer-cta{margin-top:auto;padding-top:22px;}
.drawer-cta .btn{width:100%;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,34,29,.5);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

@media (max-width:1023px){
  .nav-links,.header-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:24px 0 4px;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--muted);line-height:1.6;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--ink);}
.breadcrumb .sep{color:#b7bcb5;}
.breadcrumb .current{color:var(--ink);font-weight:700;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- article head ---------- */
.article-head{padding:12px 0 32px;}
.article-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.1em;
  color:var(--ink);background:rgba(14,59,52,.08);border-radius:999px;
  padding:6px 14px;margin-bottom:18px;font-weight:700;
}
.article-title{
  font-size:clamp(28px,3.6vw,40px);line-height:1.3;margin-bottom:18px;
  max-width:22ch;word-break:break-word;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;
}
.article-meta .dot{width:1px;height:12px;background:var(--line);display:inline-block;}
.article-figure{margin:28px 0 0;}
.article-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--line);
}
.article-figure figcaption{font-size:13px;color:var(--muted);margin-top:10px;}

/* ---------- layout ---------- */
.article-main{padding:36px 0 84px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:44px;}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,760px) 300px;justify-content:center;gap:56px;}
}
.article-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);padding:34px 34px 40px;
}
@media (max-width:639px){.article-panel{padding:24px 20px 30px;}}

/* ---------- article body ---------- */
.article-body{font-size:16px;line-height:1.9;color:var(--text);}
.article-body p{margin:0 0 1.4em;}
.article-body h2{
  font-size:clamp(20px,2.2vw,26px);margin:44px 0 16px;padding-left:14px;
  border-left:4px solid var(--lime);line-height:1.45;
}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:18px;margin:30px 0 12px;}
.article-body ul,.article-body ol{padding-left:1.3em;margin:0 0 1.4em;}
.article-body li{margin-bottom:.6em;}
.article-body ul li::marker{color:var(--ink-soft);}
.article-body ol li::marker{color:var(--ink-soft);font-weight:700;}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:var(--grey);
  border-left:4px solid var(--ink);border-radius:0 var(--r-panel) var(--r-panel) 0;
  color:var(--ink-deep);font-size:15px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:24px auto;border:1px solid var(--line);}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body a{color:var(--ink-soft);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--orange);}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  margin:24px 0;font-size:15px;
}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:12px 14px;text-align:left;white-space:nowrap;
}
.article-body th{background:var(--grey);font-weight:700;}
.article-body code{
  background:var(--grey);border-radius:6px;padding:2px 6px;font-size:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0;}

.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-panel);background:var(--grey);
  padding:44px 24px;text-align:center;
}
.empty-state svg{color:var(--ink-soft);margin:0 auto 14px;}
.empty-state h3{font-size:18px;margin-bottom:8px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:18px;}

/* ---------- aside ---------- */
.article-aside{display:flex;flex-direction:column;gap:20px;}
@media (min-width:1024px){.article-aside{align-self:start;position:sticky;top:96px;}}
.aside-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 20px 22px;box-shadow:var(--shadow);
}
.aside-title{font-size:15px;margin-bottom:14px;letter-spacing:-.01em;}
.toc-list{list-style:none;margin:0;padding:0;counter-reset:toc;}
.toc-list li{counter-increment:toc;border-bottom:1px dashed var(--line);}
.toc-list li:last-child{border-bottom:0;}
.toc-list a{
  display:flex;gap:10px;padding:10px 0;font-size:14px;color:var(--muted);
  line-height:1.6;transition:color .18s var(--ease);
}
.toc-list a::before{
  content:counter(toc,decimal-leading-zero);color:var(--ink-soft);font-weight:700;
  font-variant-numeric:tabular-nums;flex:0 0 auto;
}
.toc-list a:hover{color:var(--ink);}
.aside-links{list-style:none;margin:0;padding:0;}
.aside-links li{border-bottom:1px dashed var(--line);}
.aside-links li:last-child{border-bottom:0;}
.aside-links a{
  display:block;padding:11px 0;font-size:14px;color:var(--text);line-height:1.6;
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.aside-links a:hover{color:var(--ink);transform:translateX(2px);}
.aside-card--cta{background:var(--dark);border-color:var(--line-dark);color:var(--inverse);}
.aside-card--cta .aside-title{color:var(--lime);}
.aside-card--cta p{font-size:14px;line-height:1.8;color:rgba(242,247,245,.75);margin-bottom:16px;}
.aside-card--cta .btn{width:100%;}

/* ---------- tail ---------- */
.article-tail{margin-top:36px;display:flex;flex-direction:column;gap:26px;}
.tag-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;}
.tag-label{font-size:13px;color:var(--muted);}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(14,59,52,.08);color:var(--ink);font-size:13px;font-weight:700;
}
.tag:hover{background:rgba(14,59,52,.16);}
.share-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  padding-top:22px;border-top:1px solid var(--line);
}
.share-label{font-size:13px;color:var(--muted);}
.share-btn{
  height:38px;padding:0 18px;border-radius:999px;border:1.5px solid var(--line);
  background:#fff;color:var(--text);font-size:14px;cursor:pointer;
  transition:all .18s var(--ease);
}
.share-btn:hover{border-color:var(--ink);background:rgba(14,59,52,.08);}

.post-nav{display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:768px){.post-nav{grid-template-columns:1fr 1fr;}}
.post-nav__item{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;transition:box-shadow .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease);
}
.post-nav__item:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#d4d3c6;}
.post-nav__label{font-size:12px;letter-spacing:.1em;color:var(--ink-soft);font-weight:700;margin-bottom:8px;}
.post-nav__title{font-size:16px;font-weight:700;color:var(--ink-deep);line-height:1.6;margin-bottom:6px;}
.post-nav__desc{font-size:13px;color:var(--muted);line-height:1.7;margin:0;}
.post-nav__item--next{text-align:right;}

/* ---------- related ---------- */
.related{padding:0 0 84px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:28px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(22px,2.6vw,30px);}
.section-head p{font-size:15px;color:var(--muted);margin:8px 0 0;}
.link-more{
  font-size:15px;font-weight:700;color:var(--ink);position:relative;padding-bottom:3px;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--lime);
  transition:width .22s var(--ease);
}
.link-more:hover::after{width:100%;}
.related-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:box-shadow .22s var(--ease),transform .22s var(--ease);
}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.card__media{position:relative;overflow:hidden;aspect-ratio:4/3;background:var(--ink-deep);}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.card:hover .card__media img{transform:scale(1.03);}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card__tag{
  align-self:flex-start;font-size:12px;font-weight:700;color:var(--ink);
  background:rgba(14,59,52,.08);border-radius:6px;padding:4px 10px;
}
.card__title{font-size:17px;line-height:1.6;color:var(--ink-deep);font-weight:700;}
.card__desc{font-size:14px;color:var(--muted);line-height:1.75;margin:0;}
.card__foot{
  margin-top:auto;padding-top:12px;font-size:13px;color:var(--muted);
  border-top:1px solid var(--line);font-variant-numeric:tabular-nums;
}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--dark);color:var(--inverse);padding:56px 0;
  border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);
}
.cta-band__inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-band p{color:rgba(242,247,245,.75);font-size:15px;margin:0;max-width:52ch;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn-ghost{color:var(--inverse);border-color:var(--line-dark);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--dark);color:var(--inverse);padding:68px 0 0;
  border-top:1px solid var(--line-dark);
}
.footer-brand{
  display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;
  color:#fff;margin-bottom:14px;
}
.footer-about{font-size:14px;line-height:1.85;color:rgba(242,247,245,.72);max-width:340px;margin-bottom:0;}
.site-footer h4{
  font-size:14px;color:var(--lime);letter-spacing:.06em;margin:0 0 16px;font-weight:700;
}
.footer-links{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  display:inline-block;font-size:14px;color:rgba(242,247,245,.78);transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact p{font-size:14px;line-height:1.75;color:rgba(242,247,245,.72);margin-bottom:14px;}
.footer-contact strong{color:#fff;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  margin-top:48px;padding:22px 0;border-top:1px solid var(--line-dark);
  font-size:13px;color:rgba(242,247,245,.55);
}
@media (max-width:639px){
  .site-footer{padding-top:48px;}
  .footer-bottom{margin-top:32px;}
  .header-inner{height:64px;}
  .brand{font-size:16px;}
  .article-main{padding:24px 0 60px;}
  .related{padding-bottom:60px;}
  .cta-band{padding:44px 0;}
}

/* roulang page: category1 */
:root{
  --green:#0E3B34;
  --green-deep:#08221D;
  --green-light:#14574C;
  --lime:#C6F24E;
  --orange:#FF6A3D;
  --orange-dark:#E85526;
  --bg:#F6F4EE;
  --dark:#0B1A17;
  --grey:#EFEEE6;
  --text:#16211E;
  --muted:#5A6B66;
  --line:#E1E0D5;
  --white:#FFFFFF;
  --radius-card:16px;
  --radius-panel:12px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow-soft:0 12px 32px rgba(11,26,23,.08);
  --shadow-hover:0 18px 40px rgba(11,26,23,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t-btn:180ms;
  --t-card:220ms;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--green-light);text-decoration:none;transition:color var(--t-btn) var(--ease);}
a:hover{color:var(--orange);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:800;letter-spacing:-.015em;line-height:1.3;color:var(--text);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
@media (min-width:1440px){.grid-container{max-width:1280px;}}
@media (max-width:640px){.grid-container{padding-left:18px;padding-right:18px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,238,.92);
  border-bottom:1px solid var(--line);
  transition:background 240ms var(--ease),box-shadow 240ms var(--ease);
}
.site-header.is-scrolled{
  background:rgba(246,244,238,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  box-shadow:0 6px 20px rgba(11,26,23,.07);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:72px;transition:height 240ms var(--ease);
}
.site-header.is-scrolled .nav-inner{height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--green);letter-spacing:-.01em;}
.brand:hover{color:var(--green);}
.brand__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:11px;
  background:var(--green);color:var(--lime);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);
}
.brand__text{white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-link{
  position:relative;
  font-size:15px;color:var(--text);font-weight:500;padding:8px 2px;
  transition:color var(--t-btn) var(--ease),background var(--t-btn) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;width:0;height:3px;border-radius:2px;
  background:var(--lime);transform:translateX(-50%);
  transition:width var(--t-btn) var(--ease);
}
.nav-link:hover{color:var(--green);background:rgba(14,59,52,.08);border-radius:8px;}
.nav-link.is-active{color:var(--green);font-weight:700;}
.nav-link.is-active::after{width:60%;}
.nav-actions{display:flex;align-items:center;gap:12px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border:0;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:background var(--t-btn) var(--ease),box-shadow var(--t-btn) var(--ease),transform var(--t-btn) var(--ease),color var(--t-btn) var(--ease),border-color var(--t-btn) var(--ease);
}
.btn--primary{background:var(--orange);color:#fff;box-shadow:0 2px 0 var(--orange-dark);}
.btn--primary:hover{background:#FF7C55;color:#fff;box-shadow:0 0 0 var(--orange-dark);}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{background:transparent;color:var(--green);border:1.5px solid var(--green);border-radius:10px;}
.btn--ghost:hover{background:rgba(14,59,52,.12);color:var(--green);}
.btn--light{background:#fff;color:var(--green);box-shadow:0 2px 0 rgba(0,0,0,.12);}
.btn--light:hover{background:#F2F7F5;color:var(--green-deep);}
.btn--sm{height:38px;padding:0 18px;font-size:14px;}
.btn--inline{margin-top:8px;}

/* 文字链接 */
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;
  color:var(--green);position:relative;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1.5px;width:0;background:var(--green);
  transition:width var(--t-btn) var(--ease);
}
.link-more:hover::after{width:100%;}

/* ---------- 移动抽屉 ---------- */
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--green);align-items:center;justify-content:center;cursor:pointer;
}
.nav-drawer{
  position:fixed;top:0;right:0;z-index:90;width:min(88vw,380px);height:100%;
  background:var(--dark);color:#F2F7F5;padding:22px 22px 28px;
  transform:translateX(102%);transition:transform 260ms var(--ease);
  overflow-y:auto;display:flex;flex-direction:column;
}
.nav-drawer.is-open{transform:translateX(0);}
.nav-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.nav-drawer__title{font-size:16px;font-weight:800;color:#fff;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.16);
  background:transparent;color:#F2F7F5;font-size:20px;line-height:1;cursor:pointer;
}
.drawer-group-title{
  font-size:12px;letter-spacing:.12em;color:var(--lime);text-transform:uppercase;
  margin:18px 0 8px;
}
.drawer-link{
  display:flex;align-items:center;height:56px;padding:0 14px;border-radius:12px;
  color:#EAF3F0;font-size:15.5px;font-weight:500;
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background var(--t-btn) var(--ease),color var(--t-btn) var(--ease);
}
.drawer-link:hover{background:rgba(198,242,78,.12);color:#fff;}
.drawer-link.is-active{color:var(--lime);font-weight:700;}
.drawer-cta{margin-top:24px;width:100%;}
.nav-overlay{
  position:fixed;inset:0;background:rgba(11,26,23,.55);z-index:80;
  opacity:0;visibility:hidden;transition:opacity 260ms var(--ease),visibility 260ms var(--ease);
}
.nav-overlay.is-open{opacity:1;visibility:visible;}
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn--primary{display:none;}
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:#F2F7F5;font-weight:700;}

/* ---------- 页头横幅 ---------- */
.page-banner{
  position:relative;overflow:hidden;
  min-height:300px;display:flex;align-items:flex-end;
  background:
    linear-gradient(100deg,rgba(8,34,29,.94) 0%,rgba(8,34,29,.82) 46%,rgba(11,26,23,.58) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:#F2F7F5;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.03) 0 2px,transparent 2px 14px);
  pointer-events:none;
}
.page-banner .grid-container{position:relative;z-index:2;padding-top:56px;padding-bottom:48px;}
.page-banner h1{
  color:#fff;font-size:clamp(28px,4vw,46px);margin:16px 0 14px;
  max-width:900px;letter-spacing:-.02em;
}
.page-banner .banner-sub{
  max-width:720px;color:rgba(242,247,245,.86);font-size:16px;margin:0;
}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.banner-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--radius-pill);
  font-size:13px;color:#EAF3F0;
  border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.06);
}
.banner-tag--lime{border-color:rgba(198,242,78,.5);color:var(--lime);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--grey{background:var(--grey);}
.section--dark{background:var(--dark);color:#F2F7F5;}
.section--dark h2,.section--dark h3{color:#fff;}
.section--dark p{color:rgba(242,247,245,.82);}
@media (max-width:1023px){.section{padding:72px 0;}.section--tight{padding:56px 0;}}
@media (max-width:640px){.section{padding:56px 0;}.section--tight{padding:48px 0;}}

.section-head{max-width:760px;margin-bottom:48px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.14em;font-weight:700;
  color:var(--green-light);text-transform:uppercase;margin-bottom:12px;
}
.section--dark .eyebrow{color:var(--lime);}
.section-head h2{font-size:clamp(24px,3.2vw,36px);margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.section--dark .section-head p{color:rgba(242,247,245,.78);}

/* ---------- 图文块 ---------- */
.media-row{
  display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;
}
.media-row--reverse .media-figure{order:2;}
.media-row + .media-row{margin-top:88px;padding-top:88px;border-top:1px solid var(--line);}
.media-figure{position:relative;}
.media-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img);
  box-shadow:var(--shadow-soft);
}
.media-figure .figure-cap{
  font-size:13px;color:var(--muted);margin-top:12px;
}
.media-body h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:16px;}
.media-body h3{font-size:20px;margin:26px 0 10px;}
.media-body p{color:#33413D;}
.media-list{margin:18px 0 6px;display:grid;gap:12px;}
.media-list li{
  position:relative;padding-left:26px;color:#33413D;font-size:15.5px;line-height:1.7;
}
.media-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:4px;
  background:rgba(198,242,78,.85);box-shadow:inset 0 0 0 1.5px var(--green);
}
@media (max-width:1023px){
  .media-row{grid-template-columns:1fr;gap:32px;}
  .media-row--reverse .media-figure{order:0;}
  .media-row + .media-row{margin-top:56px;padding-top:56px;}
}

/* ---------- 参数表 ---------- */
.spec-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-soft);padding:24px;
}
.spec-panel h3{
  font-size:17px;margin:0 0 6px;
}
.spec-panel .spec-sub{font-size:13px;color:var(--muted);margin:0 0 16px;}
.spec-table tr{height:40px;}
.spec-table tr:nth-child(odd){background:#F8F7F1;}
.spec-table th,.spec-table td{
  text-align:left;padding:0 14px;font-size:14.5px;vertical-align:middle;
}
.spec-table th{
  color:var(--muted);font-weight:600;width:42%;
}
.spec-table td{color:var(--text);font-weight:600;}
.spec-table td .num{font-variant-numeric:tabular-nums;}
@media (max-width:640px){
  .spec-table tr{height:auto;display:block;padding:12px 0;border-bottom:1px solid var(--line);}
  .spec-table tr:nth-child(odd){background:transparent;}
  .spec-table tr:last-child{border-bottom:0;}
  .spec-table th,.spec-table td{display:block;width:100%;padding:0 4px;}
  .spec-table th{margin-bottom:4px;font-size:13px;}
}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:32px 28px;box-shadow:var(--shadow-soft);
}
.stat-item{text-align:center;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:0;}
.stat-num{
  display:block;font-size:clamp(26px,3vw,36px);font-weight:800;color:var(--green);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.2;
}
.stat-num small{font-size:15px;font-weight:700;margin-left:2px;}
.stat-label{display:block;font-size:13px;color:var(--muted);margin-top:6px;}
.stat-note{
  font-size:12px;color:var(--muted);margin:16px 0 0;line-height:1.7;
}
@media (max-width:900px){
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:26px 16px;padding:26px 20px;}
  .stat-item{border-right:0;}
  .stat-item:nth-child(odd){border-right:1px solid var(--line);}
}
@media (max-width:520px){
  .stat-strip{grid-template-columns:1fr;}
  .stat-item,.stat-item:nth-child(odd){border-right:0;border-bottom:1px solid var(--line);padding-bottom:16px;}
  .stat-item:last-child{border-bottom:0;padding-bottom:0;}
}

/* ---------- 准备清单 ---------- */
.prep-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.prep-card{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-soft);
  transition:transform var(--t-card) var(--ease),box-shadow var(--t-card) var(--ease);
}
.prep-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.prep-index{
  flex:0 0 40px;height:40px;border-radius:12px;background:var(--green);color:var(--lime);
  display:flex;align-items:center;justify-content:center;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.prep-card h3{font-size:17px;margin:0 0 6px;}
.prep-card p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.7;}
@media (max-width:900px){.prep-grid{grid-template-columns:1fr;}}

/* ---------- FAQ ---------- */
.faq-list{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-soft);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:22px 26px;
  transition:background var(--t-btn) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#F8F7F1;}
.faq-q{font-size:17px;font-weight:700;color:var(--text);line-height:1.5;}
.faq-icon{
  position:relative;flex:0 0 26px;height:26px;border-radius:8px;
  background:rgba(14,59,52,.08);
  transition:transform 240ms var(--ease),background 240ms var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--green);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;transition:opacity 240ms var(--ease);}
.faq-item[open] .faq-icon{background:rgba(198,242,78,.5);transform:rotate(180deg);}
.faq-item[open] .faq-icon::after{opacity:0;}
.faq-a{padding:0 26px 24px;color:#33413D;font-size:15px;line-height:1.8;}
.faq-a p{margin:0;}
@media (max-width:640px){
  .faq-item summary{padding:18px;gap:12px;}
  .faq-q{font-size:16px;}
  .faq-a{padding:0 18px 20px;}
}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;background:var(--dark);color:#F2F7F5;
  border-radius:20px;padding:0;
}
.cta-inner{
  display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;
  padding:52px 48px;
  background:
    linear-gradient(110deg,rgba(8,34,29,.95) 0%,rgba(11,26,23,.72) 100%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,32px);margin-bottom:12px;}
.cta-inner p{color:rgba(242,247,245,.8);margin:0;font-size:15.5px;}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.cta-actions .btn{width:100%;max-width:280px;}
.cta-note{font-size:12.5px;color:rgba(242,247,245,.6);margin-top:2px;}
@media (max-width:900px){
  .cta-inner{grid-template-columns:1fr;gap:26px;padding:36px 24px;}
  .cta-actions .btn{max-width:none;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);color:#D7E2DE;margin-top:0;
  border-top:1px solid rgba(255,255,255,.12);
}
.site-footer .grid-padding-y{padding-top:64px;padding-bottom:40px;}
.footer-brand{
  display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;
  margin-bottom:16px;
}
.footer-brand .brand__mark{background:rgba(198,242,78,.14);color:var(--lime);}
.footer-about{font-size:14px;line-height:1.8;color:rgba(215,226,222,.72);max-width:340px;margin:0;}
.site-footer h4{
  font-size:14px;color:var(--lime);letter-spacing:.06em;margin:0 0 16px;font-weight:700;
}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  font-size:14px;color:rgba(215,226,222,.78);display:inline-block;
  transition:color var(--t-btn) var(--ease),transform var(--t-btn) var(--ease);
}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact p{font-size:14px;color:rgba(215,226,222,.78);margin:0 0 14px;line-height:1.6;}
.footer-contact strong{color:#fff;font-weight:700;display:block;margin-bottom:2px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  font-size:12.5px;color:rgba(215,226,222,.58);
}
@media (max-width:640px){
  .site-footer .grid-padding-y{padding-top:44px;padding-bottom:28px;}
  .footer-about{max-width:none;}
  .site-footer .cell{margin-bottom:22px;}
}

/* roulang page: category2 */
:root{
  --ink:#16211E;
  --ink-2:#5A6B66;
  --green:#0E3B34;
  --green-dark:#08221D;
  --green-light:#14574C;
  --lime:#C6F24E;
  --orange:#FF6A3D;
  --sand:#F6F4EE;
  --dusk:#0B1A17;
  --block:#EFEEE6;
  --line:#E1E0D5;
  --white:#FFFFFF;
  --radius-card:16px;
  --radius-panel:12px;
  --radius-img:12px;
  --shadow:0 12px 32px rgba(11,26,23,.08);
  --shadow-hover:0 18px 40px rgba(11,26,23,.12);
  --t-fast:180ms;
  --t-card:220ms;
  --t-drawer:260ms;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--sand);
  background-image:radial-gradient(rgba(14,59,52,.045) 1px,transparent 1px);
  background-size:22px 22px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--green-light);text-decoration:none;transition:color var(--t-fast) var(--ease);}
a:hover{color:var(--green);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.015em;line-height:1.3;color:var(--ink);}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto;}
@media (min-width:1440px){.grid-container{max-width:1280px;}}
@media (max-width:639px){.grid-container{padding-left:18px;padding-right:18px;}}

.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--block{background:var(--block);}
.section--dark{background:var(--dusk);color:#F2F7F5;}
@media (max-width:1023px){.section{padding:72px 0;} .section--tight{padding:60px 0;}}
@media (max-width:639px){.section{padding:56px 0;} .section--tight{padding:48px 0;}}

.eyebrow{
  display:inline-block;
  font-size:14px;
  letter-spacing:.08em;
  color:var(--green-light);
  font-weight:700;
  margin-bottom:12px;
}
.section-title{font-size:clamp(24px,3.2vw,36px);}
.section-sub{margin-top:14px;color:var(--ink-2);font-size:16px;max-width:760px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;}
.link-more{font-size:15px;font-weight:700;color:var(--green);border-bottom:1px solid transparent;transition:border-color var(--t-fast) var(--ease);}
.link-more:hover{border-color:var(--green);}
@media (max-width:767px){
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:32px;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;border:1.5px solid transparent;
  cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:background-color var(--t-fast) var(--ease),transform var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease);
}
.btn--primary{background:var(--orange);color:#fff;box-shadow:0 2px 0 rgba(8,34,29,.35);}
.btn--primary:hover{background:#ff7d56;color:#fff;box-shadow:0 0 0 rgba(8,34,29,0);}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{background:transparent;color:var(--green);border-color:var(--green);}
.btn--ghost:hover{background:rgba(14,59,52,.14);color:var(--green);}
.btn--light{background:transparent;color:#F2F7F5;border-color:rgba(242,247,245,.5);}
.btn--light:hover{background:rgba(198,242,78,.16);border-color:var(--lime);color:#fff;}
.btn--sm{height:38px;padding:0 18px;font-size:14px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,238,.9);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:padding var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease);
}
.site-header .header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;transition:height var(--t-fast) var(--ease);}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(11,26,23,.06);}
.site-header.is-scrolled .header-inner{height:60px;}

.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink);text-decoration:none;}
.brand:hover{color:var(--green);}
.brand__mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--green);color:var(--lime);
  border:1px solid rgba(8,34,29,.6);
}
.brand--light{color:#F2F7F5;}
.brand--light .brand__mark{background:rgba(198,242,78,.14);color:var(--lime);border-color:rgba(198,242,78,.4);}

.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--ink);
  transition:background-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease);
}
.nav-link:hover{background:rgba(14,59,52,.08);color:var(--green);}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:2px;
  width:0;height:3px;border-radius:2px;background:var(--lime);
  transform:translateX(-50%);
  transition:width var(--t-fast) var(--ease);
}
.nav-link.is-active{color:var(--green);font-weight:800;}
.nav-link.is-active::after{width:60%;}

.header-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--green);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{background:var(--block);}
@media (max-width:1023px){
  .nav-links,.header-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(88vw,400px);z-index:80;
  background:var(--dusk);color:#F2F7F5;
  display:flex;flex-direction:column;
  transform:translateX(100%);
  transition:transform var(--t-drawer) var(--ease);
  box-shadow:-20px 0 50px rgba(8,34,29,.4);
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid rgba(255,255,255,.12);}
.drawer__close{width:44px;height:44px;border-radius:12px;background:transparent;border:1px solid rgba(255,255,255,.2);color:#F2F7F5;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;}
.drawer__close:hover{background:rgba(255,255,255,.1);}
.drawer__body{flex:1;overflow-y:auto;padding:18px 20px 24px;}
.drawer__group{font-size:12.5px;letter-spacing:.1em;color:var(--lime);margin:18px 0 8px;}
.drawer__group:first-child{margin-top:0;}
.drawer__link{
  display:flex;align-items:center;min-height:56px;padding:0 14px;border-radius:12px;
  color:rgba(242,247,245,.82);font-size:16px;font-weight:600;
  transition:background-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease),padding-left var(--t-fast) var(--ease);
}
.drawer__link:hover{background:rgba(255,255,255,.08);color:#fff;padding-left:18px;}
.drawer__link.is-active{background:rgba(198,242,78,.12);color:#fff;border-left:3px solid var(--lime);}
.drawer__foot{padding:16px 20px 24px;border-top:1px solid rgba(255,255,255,.12);}
.drawer__foot .btn{width:100%;}
.overlay{
  position:fixed;inset:0;background:rgba(8,34,29,.55);z-index:70;
  opacity:0;visibility:hidden;transition:opacity var(--t-drawer) var(--ease),visibility var(--t-drawer) var(--ease);
}
.overlay.is-open{opacity:1;visibility:visible;}

/* ============ 页头横幅 ============ */
.page-banner{
  position:relative;
  padding:44px 0 56px;
  min-height:280px;
  color:#F2F7F5;
  background-image:linear-gradient(180deg,rgba(8,34,29,.9) 0%,rgba(8,34,29,.78) 60%,rgba(8,34,29,.86) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid rgba(198,242,78,.25);
}
.page-banner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:6px;
  background:repeating-linear-gradient(90deg,var(--lime) 0 18px,transparent 18px 36px);
  opacity:.45;
}
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:center;
  padding-bottom:26px;margin-bottom:28px;
  border-bottom:1px dashed rgba(255,255,255,.2);
}
.filter-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:13.5px;font-weight:600;
  color:rgba(242,247,245,.86);
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.16);
}
.filter-chip[data-active="true"]{background:rgba(198,242,78,.18);border-color:rgba(198,242,78,.5);color:#fff;}
.banner-inner{text-align:center;max-width:860px;margin:0 auto;}
.banner-inner h1{color:#F2F7F5;font-size:clamp(28px,4vw,46px);}
.banner-inner p{margin-top:16px;color:rgba(242,247,245,.8);font-size:17px;}
.breadcrumb{
  display:flex;justify-content:center;gap:8px;
  margin-top:22px;font-size:13px;color:rgba(242,247,245,.6);
}
.breadcrumb a{color:rgba(242,247,245,.6);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span.current{color:#F2F7F5;font-weight:700;}
@media (max-width:639px){
  .page-banner{padding:32px 0 44px;min-height:0;}
  .banner-inner p{font-size:15.5px;}
}

/* ============ 指南卡片网格 ============ */
.card-grid{margin-bottom:-20px;}
.guide-card{
  height:100%;
  display:flex;flex-direction:column;gap:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  margin-bottom:20px;
  box-shadow:var(--shadow);
  transition:transform var(--t-card) var(--ease),box-shadow var(--t-card) var(--ease),border-color var(--t-card) var(--ease);
}
.guide-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(14,59,52,.35);}
.guide-card__icon{
  width:52px;height:52px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(14,59,52,.08);color:var(--green);
  border:1px solid rgba(14,59,52,.14);
}
.guide-card h3{font-size:20px;}
.guide-card p{color:var(--ink-2);font-size:15px;}
.guide-card__meta{
  margin-top:auto;padding-top:16px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums;
}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:6px;
  font-size:12px;font-weight:700;
  background:rgba(14,59,52,.08);color:var(--green);
}
.tag--lime{background:rgba(198,242,78,.35);color:#3c5312;}
.tag--orange{background:rgba(255,106,61,.14);color:#c23f18;}

/* ============ 步骤条 ============ */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  position:relative;
}
.steps::before{
  content:"";position:absolute;top:22px;left:6%;right:6%;height:1px;
  border-top:2px dashed rgba(14,59,52,.2);
}
.step{position:relative;text-align:left;padding-right:8px;}
.step__num{
  position:relative;z-index:1;
  width:46px;height:46px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--green);color:var(--lime);
  font-weight:800;font-size:17px;
  border:3px solid var(--sand);
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:19px;margin-top:16px;}
.step p{margin-top:10px;color:var(--ink-2);font-size:15px;}
@media (max-width:1023px){
  .steps{grid-template-columns:repeat(2,1fr);gap:28px 20px;}
  .steps::before{display:none;}
}
@media (max-width:639px){
  .steps{grid-template-columns:1fr;}
  .step{padding-left:0;}
}

/* ============ 清单板块 ============ */
.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 28px;margin-top:8px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:16px 18px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-panel);
  font-size:15px;color:var(--ink);
}
.check-list li .fa-check{color:var(--green);margin-top:5px;}
.check-list li strong{display:block;font-size:15.5px;margin-bottom:2px;}
.check-list li span{color:var(--ink-2);font-size:14px;}
@media (max-width:1023px){.check-list{grid-template-columns:1fr;}}

/* ============ 数据深色区块 ============ */
.data-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:36px;
}
.data-band__item{
  padding:24px 20px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-panel);
  background:rgba(255,255,255,.03);
}
.data-band__item .num{
  font-size:clamp(24px,3vw,32px);font-weight:800;color:var(--lime);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.data-band__item .label{margin-top:8px;font-size:14px;color:rgba(242,247,245,.72);}
@media (max-width:1023px){.data-band{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.data-band{grid-template-columns:1fr;}}
.section--dark h2{color:#F2F7F5;}
.section--dark .section-sub{color:rgba(242,247,245,.72);}
.section--dark .eyebrow{color:var(--lime);}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;
  font-size:17px;font-weight:800;color:var(--ink);
  transition:color var(--t-fast) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--green);}
.faq-item summary .chev{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--green);background:#fff;
  transition:transform 240ms var(--ease),background-color var(--t-fast) var(--ease);
}
.faq-item[open] summary .chev{transform:rotate(180deg);background:var(--lime);border-color:var(--lime);color:var(--green-dark);}
.faq-item .faq-answer{
  padding:0 4px 24px;font-size:15px;line-height:1.8;color:var(--ink-2);
  max-width:820px;
}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(135deg,var(--green) 0%,var(--green-dark) 100%);
  color:#F2F7F5;
  border-radius:var(--radius-card);
  padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  border:1px solid rgba(198,242,78,.24);
}
.cta-band h2{color:#F2F7F5;font-size:clamp(22px,2.6vw,30px);}
.cta-band p{margin-top:12px;color:rgba(242,247,245,.78);font-size:15.5px;max-width:620px;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;}
@media (max-width:900px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 26px;}
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dusk);
  color:#F2F7F5;
  margin-top:96px;
  padding-top:64px;
  border-top:1px solid rgba(255,255,255,.12);
}
.site-footer h4{
  font-size:14px;letter-spacing:.08em;color:var(--lime);margin-bottom:16px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;color:#F2F7F5;margin-bottom:16px;
}
.footer-about{font-size:14px;line-height:1.8;color:rgba(242,247,245,.66);max-width:340px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  font-size:14px;color:rgba(242,247,245,.72);
  display:inline-block;transition:color var(--t-fast) var(--ease),transform var(--t-fast) var(--ease);
}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact p{font-size:14px;color:rgba(242,247,245,.66);margin-bottom:14px;line-height:1.7;}
.footer-contact strong{color:#F2F7F5;font-weight:700;}
.footer-bottom{
  margin-top:44px;
  padding:18px 0 24px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:rgba(242,247,245,.55);
}
@media (max-width:767px){
  .site-footer{padding-top:48px;margin-top:72px;}
  .footer-about{max-width:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
}