/* roulang page: index */
:root{
  --c-ink:#0E1512;--c-ink-2:#1A241F;--c-brand:#14563F;--c-brand-strong:#0E4230;
  --c-accent:#C6F24E;--c-accent-ink:#10240F;--c-support:#2BB39A;--c-sand:#EFEBE0;
  --c-bg:#F7F8F5;--c-surface:#FFFFFF;--c-line:#DCE3DA;--c-text:#26302B;--c-text-2:#5B6862;--c-warn:#FF7A33;
  --link:#1E8C79;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
  --r-sm:8px;--r-md:14px;--r-lg:20px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(14,21,18,.06);
  --sh-2:0 14px 34px -14px rgba(14,21,18,.20);
  --sh-3:0 26px 60px -24px rgba(14,21,18,.30);
  --sh-focus:0 0 0 4px rgba(198,242,78,.38);
  --t:180ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-sans);font-size:17px;line-height:1.8;color:var(--c-text);
  background:var(--c-bg);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--link);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t)}
a:hover{color:var(--c-brand-strong)}
a:focus-visible{outline:none;box-shadow:var(--sh-focus);border-radius:var(--r-sm)}
h1,h2,h3,h4{font-family:var(--font-sans);color:var(--c-ink);letter-spacing:-0.01em;margin:0}
h1{font-size:clamp(2rem,4.6vw,3.25rem);line-height:1.18;font-weight:800}
h2{font-size:clamp(1.5rem,2.8vw,2.125rem);line-height:1.3;font-weight:800}
h3{font-size:1.25rem;line-height:1.5;font-weight:700}
h4{font-size:1.0625rem;line-height:1.5;font-weight:600}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
::selection{background:var(--c-accent);color:var(--c-accent-ink)}

/* 布局容器 */
.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.site-section{padding:96px 0}
.site-section--sand{background:var(--c-sand)}
.site-section--line{border-top:1px solid var(--c-line)}
.site-section--dark{background:linear-gradient(180deg,var(--c-ink) 0%,var(--c-ink-2) 100%);color:#E9EEE9}
.site-head{max-width:760px;margin-bottom:48px}
.site-head h2{position:relative;padding-bottom:18px;margin-bottom:16px}
.site-head h2::after{content:"";position:absolute;left:0;bottom:0;width:56px;height:4px;border-radius:2px;background:var(--c-accent)}
.site-head p{color:var(--c-text-2);font-size:17px}
.site-section--dark .site-head h2{color:#fff}
.site-section--dark .site-head p{color:rgba(255,255,255,.72)}
.site-head--center{margin-left:auto;margin-right:auto;text-align:center}
.site-head--center h2::after{left:50%;transform:translateX(-50%)}
.site-kicker{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--c-brand);background:var(--c-sand);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px}
.site-section--dark .site-kicker{background:rgba(255,255,255,.12);color:#fff}

/* 按钮 */
.site-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:var(--r-pill);font-size:16px;font-weight:700;line-height:1;
  border:1.5px solid transparent;cursor:pointer;text-align:center;
  transition:background-color var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.site-btn--accent{background:var(--c-accent);color:var(--c-accent-ink);box-shadow:var(--sh-1)}
.site-btn--accent:hover{background:#B4E03C;color:var(--c-accent-ink);transform:translateY(-2px);box-shadow:var(--sh-2)}
.site-btn--ghost{background:transparent;border-color:var(--c-ink);color:var(--c-ink)}
.site-btn--ghost:hover{background:rgba(14,21,18,.08);color:var(--c-ink)}
.site-btn--ghost-light{background:transparent;border-color:rgba(255,255,255,.7);color:#fff}
.site-btn--ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}
.site-btn--ghost-brand{background:transparent;border-color:var(--c-brand);color:var(--c-brand)}
.site-btn--ghost-brand:hover{background:rgba(20,86,63,.08);color:var(--c-brand-strong)}
.site-btn--block{width:100%}
.site-btn--sm{padding:11px 22px;font-size:14px}
.site-btn:active{transform:translateY(1px)}
.site-btn:disabled,.site-btn[aria-disabled="true"]{opacity:.4;pointer-events:none;transform:none}
.site-btn:focus-visible{outline:none;box-shadow:var(--sh-focus)}
.site-btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.site-link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--c-brand)}
.site-link-arrow i{transition:transform var(--t)}
.site-link-arrow:hover i{transform:translateX(4px)}

/* 徽章 */
.site-badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;padding:6px 14px;border-radius:var(--r-pill);background:var(--c-sand);color:var(--c-brand)}
.site-badge--dark{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.22)}
.site-badge--warn{background:var(--c-warn);color:#fff}

/* 导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;height:72px;
  background:rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:0 10px 34px -22px rgba(14,21,18,.55);
  transition:background-color var(--t),border-color var(--t),box-shadow var(--t);
}
.site-header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.site-logo{display:flex;align-items:center;gap:12px;color:#fff}
.site-logo:hover{color:#fff}
.site-logo-mark{width:38px;height:38px;flex:0 0 38px;border-radius:11px;background:var(--c-accent);display:flex;align-items:center;justify-content:center}
.site-logo-mark svg{width:22px;height:22px;display:block}
.site-logo-text{display:flex;flex-direction:column;line-height:1.15}
.site-logo-text b{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--c-accent);font-family:var(--font-num)}
.site-logo-text span{font-size:17px;font-weight:800;color:#fff}
.site-nav-links{display:flex;align-items:center;gap:6px}
.site-nav-link{
  position:relative;color:rgba(255,255,255,.92);font-size:15px;font-weight:600;
  padding:10px 14px;border-radius:var(--r-pill);
}
.site-nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform var(--t)}
.site-nav-link:hover{color:#fff;background:rgba(255,255,255,.10)}
.site-nav-link:hover::after{transform:scaleX(1)}
.site-nav-link.is-active{color:#fff}
.site-nav-link.is-active::before{content:"";position:absolute;left:2px;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.site-nav-actions{display:flex;align-items:center;gap:12px}
.site-nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.35);
  background:rgba(255,255,255,.12);color:#fff;font-size:17px;cursor:pointer;
}
.site-header.is-stuck{background:rgba(247,248,245,.94);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom-color:var(--c-line);box-shadow:0 10px 30px -24px rgba(14,21,18,.5)}
.site-header.is-stuck .site-logo-text span{color:var(--c-ink)}
.site-header.is-stuck .site-logo-text b{color:var(--c-brand)}
.site-header.is-stuck .site-nav-link{color:var(--c-text)}
.site-header.is-stuck .site-nav-link:hover{color:var(--c-ink);background:rgba(20,86,63,.08)}
.site-header.is-stuck .site-nav-toggle{border-color:var(--c-line);color:var(--c-ink);background:#fff}

/* 移动抽屉 */
.site-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,360px);z-index:1200;
  background:rgba(247,248,245,.96);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-left:1px solid var(--c-line);box-shadow:var(--sh-3);
  padding:22px 20px;transform:translateX(105%);transition:transform 220ms cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.site-drawer.is-open{transform:translateX(0)}
.site-drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--c-line)}
.site-drawer-head span{font-size:16px;font-weight:800;color:var(--c-ink)}
.site-drawer-close{width:38px;height:38px;border-radius:11px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink);cursor:pointer}
.site-drawer-nav{display:flex;flex-direction:column;gap:4px}
.site-drawer-nav a{padding:14px 12px;border-radius:var(--r-sm);color:var(--c-text);font-weight:600;border-left:3px solid transparent}
.site-drawer-nav a:hover{background:rgba(20,86,63,.07);color:var(--c-brand)}
.site-drawer-nav a.is-active{border-left-color:var(--c-accent);color:var(--c-brand);background:rgba(198,242,78,.16)}
.site-drawer-foot{margin-top:auto;color:var(--c-text-2);font-size:13px}
.site-drawer-mask{position:fixed;inset:0;background:rgba(14,21,18,.5);z-index:1100;opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t)}
.site-drawer-mask.is-open{opacity:1;visibility:visible}
body.drawer-open{overflow:hidden}

/* Hero */
.site-hero{position:relative;min-height:88vh;display:flex;align-items:center;overflow:hidden;background:var(--c-ink);padding:150px 0 96px}
.site-hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
.site-hero-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,21,18,.62) 0%,rgba(14,21,18,.56) 45%,rgba(14,21,18,.86) 100%)}
.site-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:120px;background:linear-gradient(180deg,rgba(247,248,245,0) 0%,var(--c-bg) 100%)}
.site-hero-inner{position:relative;z-index:2}
.site-hero-title{color:#fff;font-size:clamp(2rem,4.6vw,3.375rem);line-height:1.16;margin:20px 0 18px;max-width:16em}
.site-hero-sub{color:rgba(255,255,255,.86);font-size:18px;max-width:34em;margin-bottom:30px}
.site-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:44px}
.site-stats li{
  flex:1 1 170px;min-width:150px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);
  border-radius:var(--r-md);padding:16px 18px;backdrop-filter:blur(4px);
}
.site-stats strong{display:block;font-family:var(--font-num);font-size:32px;font-weight:800;line-height:1.1;color:var(--c-accent)}
.site-stats span{display:block;font-size:14px;color:rgba(255,255,255,.82);margin-top:4px}

/* 价值主张带 */
.site-band{background:linear-gradient(180deg,var(--c-ink) 0%,var(--c-ink-2) 100%);color:#fff;padding:56px 0}
.site-band-inner{display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between}
.site-band h2{color:#fff;font-size:clamp(1.35rem,2.2vw,1.75rem);max-width:22em;line-height:1.4}
.site-band-list{display:flex;flex-wrap:wrap;gap:28px}
.site-band-list li{display:flex;gap:12px;align-items:flex-start;min-width:190px}
.site-band-num{font-family:var(--font-num);font-size:15px;font-weight:800;color:var(--c-accent-ink);background:var(--c-accent);border-radius:var(--r-sm);padding:3px 8px;line-height:1.4}
.site-band-list b{display:block;font-size:15px;font-weight:700;color:#fff}
.site-band-list span{display:block;font-size:14px;color:rgba(255,255,255,.72)}

/* 卡片通用 */
.site-card{
  display:flex;flex-direction:column;height:100%;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1);color:var(--c-text);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.site-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(20,86,63,.3);color:var(--c-text)}
.site-card h3{margin-bottom:10px}
.site-card h4{margin-bottom:8px}
.site-card p{color:var(--c-text-2);font-size:15.5px}
.site-card-media{position:relative;overflow:hidden;border-radius:var(--r-sm);margin-bottom:18px;background:var(--c-sand);aspect-ratio:16/10}
.site-card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.site-card:hover .site-card-media img{transform:scale(1.03)}
.site-card-media-fallback{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--c-brand);font-size:26px;background:var(--c-sand)}
.site-card-ico{width:46px;height:46px;border-radius:12px;background:rgba(198,242,78,.32);color:var(--c-brand-strong);display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px}
.site-card--feature{padding:0;overflow:hidden}
.site-card--feature .site-card-media{margin:0;border-radius:0;aspect-ratio:16/9}
.site-card--feature .site-card-body{padding:26px}
.site-card-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* 功能分组 */
.site-feature-grid{margin-top:8px}
.site-feature-grid .cell{margin-bottom:28px}
.site-feature-list{margin:14px 0 18px;display:flex;flex-direction:column;gap:8px}
.site-feature-list li{display:flex;gap:10px;font-size:15px;color:var(--c-text-2)}
.site-feature-list i{color:var(--c-support);margin-top:5px}

/* 场景时间轴 */
.site-scenes{display:flex;gap:24px;margin-top:8px;overflow-x:auto;padding:6px 4px 20px;scroll-snap-type:x mandatory}
.site-scene{
  flex:1 0 340px;scroll-snap-align:start;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t);
}
.site-scene:nth-child(even){background:var(--c-sand)}
.site-scene:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.site-scene-no{font-family:var(--font-num);font-size:14px;font-weight:800;color:var(--c-brand);letter-spacing:.12em}
.site-scene h3{margin:8px 0 14px}
.site-scene-steps{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}
.site-scene-steps li{display:flex;gap:10px;font-size:15px;color:var(--c-text-2)}
.site-scene-steps b{font-family:var(--font-num);color:var(--c-accent-ink);background:var(--c-accent);border-radius:6px;padding:0 7px;font-size:13px;line-height:1.7;flex:0 0 auto}
.site-scene-note{font-size:13.5px;color:var(--c-text-2);border-top:1px dashed var(--c-line);padding-top:14px}

/* 案例 */
.site-case{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.site-case-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:4/3;background:var(--c-sand)}
.site-case-media img{width:100%;height:100%;object-fit:cover}
.site-quote{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:34px 30px 28px;box-shadow:var(--sh-1)}
.site-quote::before{content:"“";position:absolute;top:6px;left:20px;font-family:var(--font-num);font-size:64px;line-height:1;color:rgba(20,86,63,.16)}
.site-quote blockquote{margin:0 0 16px;font-size:19px;line-height:1.75;color:var(--c-ink);font-weight:600}
.site-quote cite{display:block;font-style:normal;font-size:14px;color:var(--c-text-2)}
.site-quote-metrics{display:flex;flex-wrap:wrap;gap:22px;margin-top:22px;border-top:1px solid var(--c-line);padding-top:18px}
.site-quote-metrics strong{display:block;font-family:var(--font-num);font-size:22px;font-weight:800;color:var(--c-brand);line-height:1.2}
.site-quote-metrics span{font-size:13px;color:var(--c-text-2)}
.site-case-rows{margin-top:44px;display:flex;flex-direction:column}
.site-case-row{display:flex;flex-wrap:wrap;align-items:center;gap:16px;padding:20px 0;border-top:1px solid var(--c-line)}
.site-case-row i{width:40px;height:40px;border-radius:11px;background:rgba(43,179,154,.14);color:var(--c-brand);display:flex;align-items:center;justify-content:center;flex:0 0 40px}
.site-case-row b{font-size:16px;color:var(--c-ink);min-width:150px}
.site-case-row span{color:var(--c-text-2);font-size:15px}

/* 价格 */
.site-price-grid{margin-top:8px;align-items:stretch}
.site-price-grid .cell{margin-bottom:30px}
.site-price{
  position:relative;display:flex;flex-direction:column;height:100%;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-lg);padding:30px 26px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.site-price:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.site-price--best{background:linear-gradient(180deg,var(--c-ink) 0%,var(--c-ink-2) 100%);color:#E9EEE9;border-color:rgba(198,242,78,.55);box-shadow:var(--sh-3);transform:translateY(-16px)}
.site-price--best:hover{transform:translateY(-20px)}
.site-price--best h3,.site-price--best .site-price-amount b{color:#fff}
.site-price-tag{position:absolute;top:-14px;right:22px;background:var(--c-warn);color:#fff;font-size:13px;font-weight:700;padding:6px 14px;border-radius:var(--r-pill);box-shadow:var(--sh-1)}
.site-price h3{margin-bottom:6px}
.site-price-desc{font-size:14.5px;color:var(--c-text-2);margin-bottom:22px}
.site-price--best .site-price-desc{color:rgba(255,255,255,.72)}
.site-price-amount{display:flex;align-items:flex-end;gap:6px;margin-bottom:22px}
.site-price-amount b{font-family:var(--font-num);font-size:48px;font-weight:800;line-height:1;color:var(--c-ink)}
.site-price-amount sup{font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--c-brand);top:-14px;position:relative}
.site-price-amount span{font-size:14px;color:var(--c-text-2);padding-bottom:4px}
.site-price--best .site-price-amount span{color:rgba(255,255,255,.7)}
.site-price-list{display:flex;flex-direction:column;gap:11px;margin-bottom:26px}
.site-price-list li{display:flex;gap:10px;font-size:15px;color:var(--c-text-2)}
.site-price--best .site-price-list li{color:rgba(255,255,255,.82)}
.site-price-list i{color:var(--c-support);margin-top:5px}
.site-price .site-btn{margin-top:auto}
.site-price-note{text-align:center;color:var(--c-text-2);font-size:14px;margin-top:26px}

/* 最新信息 */
.site-news-head{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-end;justify-content:space-between;margin-bottom:40px}
.site-news-head .site-head{margin-bottom:0}
.site-post-card{text-decoration:none}
.site-post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:14px}
.site-post-title{font-size:1.0625rem;font-weight:700;color:var(--c-ink);line-height:1.55;margin-bottom:10px}
.site-post-sum{color:var(--c-text-2);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.site-post-foot{margin-top:auto;padding-top:16px;font-size:15px;color:var(--c-text-2);display:flex;align-items:center;gap:8px}
.site-post-foot i{font-size:13px}
.site-empty{
  border:1px dashed var(--c-line);background:var(--c-surface);border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;color:var(--c-text-2);
}
.site-empty i{display:block;font-size:30px;color:var(--c-brand);margin-bottom:14px}
.site-empty a{margin-top:12px;display:inline-block;font-weight:700}

/* FAQ */
.site-faq{margin-top:8px;border-top:1px solid var(--c-line)}
.site-faq .accordion-item{border-bottom:1px solid var(--c-line);background:transparent}
.site-faq .accordion-title{
  display:flex;align-items:center;gap:14px;padding:22px 8px;font-size:17px;font-weight:700;color:var(--c-ink);
  border:0;background:transparent;line-height:1.5;border-left:3px solid transparent;transition:color var(--t),border-color var(--t),background-color var(--t);
}
.site-faq .accordion-title:hover{color:var(--c-brand);background:rgba(20,86,63,.04)}
.site-faq .accordion-title::before{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:var(--c-brand);width:26px;height:26px;border-radius:50%;background:rgba(198,242,78,.28);display:flex;align-items:center;justify-content:center;flex:0 0 26px;margin:0;transition:transform var(--t)}
.site-faq .accordion-item.is-active .accordion-title::before{content:"\f068"}
.site-faq .accordion-item.is-active .accordion-title{color:var(--c-brand);border-left-color:var(--c-accent);background:rgba(198,242,78,.10)}
.site-faq .accordion-content{padding:0 8px 26px 48px;color:var(--c-text-2);font-size:16px;border:0;background:transparent}
.site-faq .accordion-content p{margin-bottom:.7em}

/* CTA 带 */
.site-cta{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--c-ink) 0%,var(--c-ink-2) 100%);padding:88px 0;text-align:center;color:#fff}
.site-cta-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.28}
.site-cta-veil{position:absolute;inset:0;background:rgba(14,21,18,.8)}
.site-cta-inner{position:relative;z-index:2;max-width:760px;margin:0 auto}
.site-cta h2{color:#fff;margin-bottom:14px}
.site-cta p{color:rgba(255,255,255,.8);margin-bottom:28px}
.site-cta .site-btn-row{justify-content:center}

/* 页脚 */
.site-footer{background:linear-gradient(180deg,var(--c-ink) 0%,var(--c-ink-2) 100%);color:rgba(255,255,255,.74);padding:72px 0 28px}
.site-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.site-footer h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:18px;letter-spacing:.02em}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.68)}
.site-footer-links{display:flex;flex-direction:column;gap:11px}
.site-footer-links a{color:rgba(255,255,255,.74);font-size:14.5px}
.site-footer-links a:hover{color:var(--c-accent);text-decoration:underline}
.site-footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.site-footer-brand .site-logo-mark{width:36px;height:36px;flex:0 0 36px}
.site-footer-brand span{font-size:16px;font-weight:800;color:#fff}
.site-footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.5px;color:rgba(255,255,255,.6);
}
.site-footer-bottom a{color:rgba(255,255,255,.68)}
.site-footer-bottom a:hover{color:var(--c-accent)}

/* 响应式 */
@media (max-width:1024px){
  .site-section{padding:72px 0}
  .site-case{grid-template-columns:1fr;gap:26px}
  .site-footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .site-price--best{transform:none}
  .site-price--best:hover{transform:translateY(-4px)}
}
@media (max-width:768px){
  body{font-size:16px}
  .site-nav-links,.site-header .site-btn--sm{display:none}
  .site-nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .site-header{height:60px}
  .site-logo-mark{width:32px;height:32px;flex:0 0 32px;border-radius:9px}
  .site-logo-text span{font-size:15px}
  .site-logo-text b{font-size:11px}
  .site-hero{min-height:520px;padding:110px 0 72px}
  .site-hero-title{font-size:clamp(1.75rem,7vw,2.25rem)}
  .site-hero-sub{font-size:16px}
  .site-btn{padding:13px 22px}
  .site-btn-row .site-btn{flex:1 1 100%}
  .site-section{padding:56px 0}
  .site-section .grid-container{padding:0 16px}
  .site-head{margin-bottom:32px}
  .site-stats{gap:10px;margin-top:32px}
  .site-stats li{flex:1 1 calc(50% - 10px);min-width:0;padding:14px}
  .site-stats strong{font-size:26px}
  .site-band{padding:44px 0}
  .site-band-list{gap:18px}
  .site-case-rows{margin-top:32px}
  .site-case-row{padding:16px 0}
  .site-scenes{padding-bottom:12px}
  .site-scene{flex:0 0 84%}
  .site-faq .accordion-title{padding:18px 6px;font-size:16px;min-height:52px}
  .site-faq .accordion-content{padding:0 6px 22px 40px}
  .site-cta{padding:64px 0}
  .site-footer{padding:56px 0 24px}
  .site-footer-grid{grid-template-columns:1fr}
}
@media (max-width:480px){
  .site-hero{padding:96px 0 56px}
  .site-card{padding:20px}
  .site-price{padding:26px 20px}
  .site-price-amount b{font-size:40px}
  .site-quote{padding:28px 22px 22px}
  .site-quote blockquote{font-size:17px}
  .site-footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --c-ink:#0E1512;--c-ink-2:#1A241F;--c-brand:#14563F;--c-brand-strong:#0E4230;
  --c-accent:#C6F24E;--c-accent-ink:#10240F;--c-support:#2BB39A;--c-sand:#EFEBE0;
  --c-bg:#F7F8F5;--c-surface:#FFFFFF;--c-line:#DCE3DA;--c-text:#26302B;--c-text-2:#5B6862;
  --c-warn:#FF7A33;--c-link:#1E8C79;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
  --r-sm:8px;--r-md:14px;--r-lg:20px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(14,21,18,.06);
  --sh-2:0 14px 34px -14px rgba(14,21,18,.20);
  --sh-3:0 26px 60px -24px rgba(14,21,18,.30);
  --sh-focus:0 0 0 4px rgba(198,242,78,.38);
  --tr:180ms cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:var(--font-sans);
  font-size:17px;line-height:1.8;
  color:var(--c-text);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-link);text-decoration:none;transition:color var(--tr),background-color var(--tr),border-color var(--tr)}
a:hover{color:var(--c-brand-strong)}
button{font-family:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--c-ink);letter-spacing:-0.01em}
h1{font-size:clamp(2rem,4.6vw,3.25rem);line-height:1.18}
h2{font-size:clamp(1.5rem,2.8vw,2.125rem);line-height:1.3}
h3{font-size:1.25rem;line-height:1.5;font-weight:700}
h4{font-size:1.0625rem;line-height:1.6;font-weight:600}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}

/* ---------- container ---------- */
.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.grid-container{max-width:1200px;padding-left:20px;padding-right:20px}

/* ---------- header / nav ---------- */
.site-header{
  position:absolute;top:0;left:0;right:0;z-index:1000;
  height:72px;
  background:rgba(255,255,255,.14);
  border-bottom:1px solid rgba(255,255,255,.28);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 10px 30px -20px rgba(14,21,18,.5);
  transition:background-color var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.site-header.is-stuck{
  position:fixed;
  background:rgba(247,248,245,.94);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 8px 24px -18px rgba(14,21,18,.45);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.site-nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.site-logo{display:flex;align-items:center;gap:10px;color:#fff}
.site-header.is-stuck .site-logo{color:var(--c-ink)}
.site-logo-mark{
  width:36px;height:36px;border-radius:var(--r-sm);
  background:var(--c-accent);
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 36px;box-shadow:var(--sh-1);
}
.site-logo-mark svg{width:22px;height:22px}
.site-logo-text{display:flex;flex-direction:column;line-height:1.15}
.site-logo-text b{font-size:17px;font-weight:800;letter-spacing:-0.01em}
.site-logo-text span{font-size:11px;letter-spacing:.14em;text-transform:uppercase;opacity:.72;font-family:var(--font-num)}

.site-nav-links{display:flex;align-items:center;gap:6px}
.site-nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:#fff;
  transition:color var(--tr),background-color var(--tr);
}
.site-nav-link:hover{color:#fff;background:rgba(255,255,255,.12)}
.site-header.is-stuck .site-nav-link{color:var(--c-text)}
.site-header.is-stuck .site-nav-link:hover{color:var(--c-brand);background:rgba(20,86,63,.08)}
.site-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--c-accent);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform var(--tr);
}
.site-nav-link:hover::after{transform:scaleX(1)}
.site-nav-link.is-active{color:#fff;background:rgba(255,255,255,.14)}
.site-header.is-stuck .site-nav-link.is-active{color:var(--c-brand-strong);background:rgba(20,86,63,.10)}
.site-nav-link.is-active::before{
  content:"";position:absolute;left:2px;top:50%;width:6px;height:6px;border-radius:50%;
  transform:translateY(-50%);background:var(--c-accent);
}
.site-nav-link.is-active{padding-left:20px}
.site-nav-link.is-active::after{transform:scaleX(1)}

.site-nav-right{display:flex;align-items:center;gap:12px}
.site-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;border:1.5px solid transparent;
  transition:transform var(--tr),box-shadow var(--tr),background-color var(--tr),color var(--tr),border-color var(--tr);
  white-space:nowrap;
}
.site-btn-primary{background:var(--c-accent);color:var(--c-accent-ink);box-shadow:var(--sh-1)}
.site-btn-primary:hover{background:#B4E03C;color:var(--c-accent-ink);transform:translateY(-2px);box-shadow:var(--sh-2)}
.site-btn-primary:active{transform:translateY(0)}
.site-btn-ghost{background:transparent;color:var(--c-ink);border-color:rgba(38,48,43,.35)}
.site-btn-ghost:hover{background:rgba(38,48,43,.07);color:var(--c-ink)}
.site-btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.site-btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff}
.site-btn:focus-visible{outline:none;box-shadow:var(--sh-focus)}
.site-btn-nav{padding:11px 22px;font-size:14px}

.site-nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.10);
  align-items:center;justify-content:center;cursor:pointer;padding:0;
}
.site-header.is-stuck .site-nav-toggle{border-color:var(--c-line);background:var(--c-surface)}
.site-nav-toggle span{display:block;position:relative;width:18px;height:2px;background:#fff;border-radius:2px}
.site-header.is-stuck .site-nav-toggle span{background:var(--c-ink)}
.site-nav-toggle span::before,.site-nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:inherit;border-radius:2px;
}
.site-nav-toggle span::before{top:-6px}
.site-nav-toggle span::after{top:6px}

.site-drawer-mask{
  position:fixed;inset:0;background:rgba(14,21,18,.5);z-index:1200;opacity:0;pointer-events:none;
  transition:opacity var(--tr);
}
.site-drawer-mask.is-open{opacity:1;pointer-events:auto}
.site-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:1300;
  background:rgba(247,248,245,.96);backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-left:1px solid var(--c-line);box-shadow:var(--sh-3);
  transform:translateX(102%);transition:transform 240ms cubic-bezier(.2,.7,.3,1);
  padding:22px 20px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.site-drawer.is-open{transform:translateX(0)}
.site-drawer-head{display:flex;align-items:center;justify-content:space-between}
.site-drawer-title{font-size:13px;font-weight:700;color:var(--c-text-2);letter-spacing:.08em}
.site-drawer-close{
  width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-ink);font-size:18px;line-height:1;cursor:pointer;
}
.site-drawer-group{display:flex;flex-direction:column;gap:4px}
.site-drawer-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:15px 16px;border-radius:var(--r-md);font-size:16px;font-weight:600;color:var(--c-text);
  background:var(--c-surface);border:1px solid var(--c-line);
}
.site-drawer-link:hover{border-color:rgba(20,86,63,.4);color:var(--c-brand)}
.site-drawer-link.is-active{background:var(--c-ink);color:#fff;border-color:var(--c-ink)}
.site-drawer-link.is-active:hover{color:#fff}
.site-drawer-cta{margin-top:auto;display:grid;gap:10px}

/* ---------- banner ---------- */
.site-banner{
  position:relative;overflow:hidden;color:#fff;
  min-height:340px;display:flex;align-items:flex-end;
  padding:132px 0 60px;
  background-image:linear-gradient(180deg,rgba(14,21,18,.62) 0%,rgba(14,21,18,.78) 100%),url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
}
.site-banner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:90px;
  background:linear-gradient(180deg,rgba(247,248,245,0) 0%,var(--c-bg) 100%);
  pointer-events:none;
}
.site-banner-inner{position:relative;z-index:2;max-width:760px}
.site-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:rgba(255,255,255,.82);margin-bottom:18px;
}
.site-breadcrumb a{color:rgba(255,255,255,.9);border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:1px}
.site-breadcrumb a:hover{color:var(--c-accent);border-color:var(--c-accent)}
.site-breadcrumb .sep{opacity:.55}
.site-breadcrumb .current{color:rgba(255,255,255,.68)}
.site-banner h1{color:#fff;max-width:18em}
.site-banner-sub{margin-top:16px;font-size:17px;color:rgba(255,255,255,.86);max-width:34em}
.site-banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.site-badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.site-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:1.6;
  background:var(--c-sand);color:var(--c-brand);
}
.site-badge-on-dark{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.22)}

/* ---------- sections ---------- */
.site-section{padding:96px 0}
.site-section-sand{background:var(--c-sand)}
.site-section-ink{background:linear-gradient(180deg,var(--c-ink) 0%,var(--c-ink-2) 100%);color:#fff}
.site-section-ink h2,.site-section-ink h3{color:#fff}
.site-section-head{max-width:760px;margin-bottom:52px}
.site-section-head h2{position:relative;padding-bottom:18px}
.site-section-head h2::after{
  content:"";position:absolute;left:0;bottom:0;width:56px;height:4px;border-radius:2px;background:var(--c-accent);
}
.site-section-head p{margin-top:18px;font-size:17px;color:var(--c-text-2)}
.site-section-ink .site-section-head p{color:rgba(255,255,255,.78)}
.site-eyebrow{
  display:inline-block;margin-bottom:14px;padding:5px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--c-brand);background:rgba(20,86,63,.10);
}

/* ---------- 编号准备条 ---------- */
.site-prep-grid{display:grid;grid-template-columns:minmax(240px,1fr) 2fr;gap:40px;align-items:center}
.site-prep-note{font-size:17px;font-weight:700;color:#fff;line-height:1.6}
.site-prep-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.site-prep-item{padding-left:0}
.site-prep-num{
  font-family:var(--font-num);font-size:32px;font-weight:800;color:var(--c-accent);
  line-height:1;margin-bottom:12px;display:block;
}
.site-prep-item h4{color:#fff;margin-bottom:8px}
.site-prep-item p{font-size:15px;color:rgba(255,255,255,.76);margin:0}

/* ---------- 左右交替图文 ---------- */
.site-split{margin-bottom:8px}
.site-split + .site-split{margin-top:24px}
.site-split .cell{margin-bottom:32px}
.site-split-text .site-step-index{
  font-family:var(--font-num);font-size:14px;font-weight:800;color:var(--c-brand);
  background:rgba(198,242,78,.35);border-radius:var(--r-pill);
  display:inline-block;padding:4px 14px;margin-bottom:16px;letter-spacing:.06em;
}
.site-split-text h2{margin-bottom:18px;padding-bottom:0}
.site-split-text h2::after{display:none}
.site-split-text p{color:var(--c-text-2)}
.site-list-check{list-style:none;margin:20px 0 22px;display:grid;gap:12px}
.site-list-check li{position:relative;padding-left:30px;font-size:16px;color:var(--c-text);line-height:1.7}
.site-list-check li::before{
  content:"";position:absolute;left:0;top:8px;width:16px;height:16px;border-radius:50%;
  background:rgba(43,179,154,.16);
}
.site-list-check li::after{
  content:"";position:absolute;left:5px;top:12px;width:6px;height:9px;
  border-right:2px solid var(--c-support);border-bottom:2px solid var(--c-support);
  transform:rotate(42deg);
}
.site-link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--c-brand);
}
.site-link-arrow svg{width:16px;height:16px;transition:transform var(--tr)}
.site-link-arrow:hover{color:var(--c-brand-strong)}
.site-link-arrow:hover svg{transform:translateX(4px)}
.site-figure{
  position:relative;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--c-line);
  box-shadow:var(--sh-1);background:var(--c-surface);transition:box-shadow var(--tr),transform var(--tr),border-color var(--tr);
}
.site-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.7,.3,1)}
.site-figure:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(20,86,63,.3)}
.site-figure:hover img{transform:scale(1.03)}
.site-figure-corner{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:6px 14px;border-radius:var(--r-pill);background:var(--c-accent);color:var(--c-accent-ink);
  font-family:var(--font-num);font-size:13px;font-weight:800;letter-spacing:.08em;
}

/* ---------- 数据条 ---------- */
.site-stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.site-stat{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:22px 20px;box-shadow:var(--sh-1);
}
.site-stat b{
  display:block;font-family:var(--font-num);font-size:32px;font-weight:800;
  color:var(--c-brand);line-height:1.1;margin-bottom:6px;
}
.site-stat b em{font-style:normal;font-size:16px;margin-left:4px;color:var(--c-text-2)}
.site-stat span{font-size:15px;color:var(--c-text-2)}

/* ---------- FAQ ---------- */
.site-faq-wrap{max-width:900px}
.site-faq.accordion{border:none;background:transparent;margin:0}
.site-faq .accordion-item{border:none;border-top:1px solid var(--c-line);background:transparent}
.site-faq .accordion-item:last-child{border-bottom:1px solid var(--c-line)}
.site-faq .accordion-title{
  position:relative;border:none;padding:22px 54px 22px 18px;background:transparent;
  font-size:17px;font-weight:700;color:var(--c-ink);line-height:1.6;border-radius:0;
  min-height:52px;display:flex;align-items:center;transition:color var(--tr),background-color var(--tr);
}
.site-faq .accordion-title:hover{background:rgba(20,86,63,.05);color:var(--c-brand)}
.site-faq .accordion-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:3px;height:26px;border-radius:2px;background:var(--c-accent);transition:transform var(--tr);
}
.site-faq .accordion-item.is-active .accordion-title{color:var(--c-brand)}
.site-faq .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) scaleY(1)}
.site-faq .accordion-title::after{
  content:"";position:absolute;right:20px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--c-text-2);border-bottom:2px solid var(--c-text-2);
  transform:translateY(-70%) rotate(45deg);transition:transform var(--tr);
}
.site-faq .accordion-item.is-active .accordion-title::after{transform:translateY(-30%) rotate(-135deg)}
.site-faq .accordion-content{
  border:none;background:transparent;padding:0 40px 24px 18px;color:var(--c-text-2);font-size:16px;
}
.site-faq .accordion-content p{margin-bottom:10px}

/* ---------- CTA band ---------- */
.site-cta{
  position:relative;overflow:hidden;color:#fff;text-align:center;
  padding:96px 0;
  background-image:linear-gradient(180deg,rgba(14,21,18,.86) 0%,rgba(14,21,18,.92) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.site-cta h2{color:#fff;max-width:22em;margin:0 auto}
.site-cta p{margin:18px auto 0;max-width:44em;color:rgba(255,255,255,.8);font-size:17px}
.site-cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px}

/* ---------- 相关分类跳转条 ---------- */
.site-pillbar{padding:44px 0;background:var(--c-bg);border-bottom:1px solid var(--c-line)}
.site-pills{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.site-pills .label{font-size:14px;font-weight:700;color:var(--c-text-2);margin-right:6px}
.site-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1.5px solid var(--c-line);color:var(--c-text);background:var(--c-surface);
  transition:border-color var(--tr),color var(--tr),background-color var(--tr),transform var(--tr);
}
.site-pill:hover{border-color:rgba(20,86,63,.45);color:var(--c-brand);transform:translateY(-2px)}
.site-pill.is-current{background:var(--c-ink);border-color:var(--c-ink);color:#fff}
.site-pill.is-current:hover{color:#fff;transform:none}

/* ---------- footer ---------- */
.site-footer{
  background:linear-gradient(180deg,var(--c-ink) 0%,var(--c-ink-2) 100%);
  color:rgba(255,255,255,.72);padding:72px 0 26px;font-size:15px;
}
.site-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;font-weight:700}
.site-footer p{margin:0 0 10px;line-height:1.8}
.site-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff}
.site-footer-brand span:last-child{font-size:17px;font-weight:800}
.site-footer-links{display:grid;gap:10px}
.site-footer-links a{color:rgba(255,255,255,.72);font-size:15px}
.site-footer-links a:hover{color:var(--c-accent);text-decoration:underline}
.site-footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:14px;color:rgba(255,255,255,.6);
}
.site-footer-bottom span:last-child{font-family:var(--font-num)}

/* ---------- scrollbar ---------- */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--c-sand)}
::-webkit-scrollbar-thumb{background:rgba(20,86,63,.4);border-radius:var(--r-pill);border:2px solid var(--c-sand)}
::-webkit-scrollbar-thumb:hover{background:rgba(20,86,63,.62)}

/* ---------- responsive ---------- */
@media screen and (max-width:1024px){
  .site-nav-links{display:none}
  .site-nav-toggle{display:inline-flex}
  .site-nav-right .site-btn-nav{display:none}
  .site-section{padding:64px 0}
  .site-prep-grid{grid-template-columns:1fr;gap:28px}
  .site-prep-list{grid-template-columns:1fr;gap:18px}
  .site-stat-row{grid-template-columns:repeat(2,1fr)}
  .site-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .site-split.is-reverse .site-split-text{order:0}
  .site-split.is-reverse .site-split-media{order:0}
}
@media screen and (max-width:768px){
  body{font-size:16px}
  .site-header{height:60px;position:absolute}
  .site-nav{height:60px}
  .site-logo-mark{width:32px;height:32px;flex:0 0 32px}
  .site-logo-mark svg{width:20px;height:20px}
  .site-logo-text b{font-size:15px}
  .site-logo-text span{font-size:10px;letter-spacing:.1em}
  .site-banner{min-height:520px;padding:104px 0 52px;align-items:center}
  .site-banner h1{max-width:none}
  .site-section{padding:48px 0}
  .site-section-head{margin-bottom:34px}
  .site-split .cell{margin-bottom:24px}
  .site-faq .accordion-title{padding:18px 48px 18px 14px;font-size:16px}
  .site-faq .accordion-content{padding:0 20px 20px 14px}
  .site-cta{padding:64px 0}
  .site-cta-actions .site-btn{width:100%}
  .site-stat-row{grid-template-columns:1fr}
  .site-footer{padding:52px 0 22px}
  .site-footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer-bottom{flex-direction:column;gap:8px}
}
@media screen and (max-width:520px){
  .site-container{padding:0 16px}
  .grid-container{padding-left:16px;padding-right:16px}
  .site-banner{padding:96px 0 44px}
  .site-banner-sub{font-size:15px}
  .site-badge{font-size:12px;padding:5px 12px}
  .site-btn{padding:13px 22px;font-size:15px}
  .site-banner-actions .site-btn{width:100%}
  .site-pill{width:100%;justify-content:center}
  .site-stat b{font-size:26px}
  .site-prep-num{font-size:26px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --c-ink:#0E1512;
  --c-ink-2:#1A241F;
  --c-brand:#14563F;
  --c-brand-strong:#0E4230;
  --c-accent:#C6F24E;
  --c-accent-ink:#10240F;
  --c-support:#2BB39A;
  --c-sand:#EFEBE0;
  --c-bg:#F7F8F5;
  --c-surface:#FFFFFF;
  --c-line:#DCE3DA;
  --c-text:#26302B;
  --c-text-2:#5B6862;
  --c-warn:#FF7A33;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,21,18,.06);
  --sh-2:0 14px 34px -14px rgba(14,21,18,.20);
  --sh-3:0 26px 60px -24px rgba(14,21,18,.30);
  --sh-focus:0 0 0 4px rgba(198,242,78,.38);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --t:180ms cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:#1E8C79;text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);}
a:hover{color:var(--c-brand-strong);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--c-ink);font-weight:800;letter-spacing:-.01em;}
h1{font-size:clamp(2rem,4.6vw,3.25rem);line-height:1.18;}
h2{font-size:clamp(1.5rem,2.8vw,2.125rem);line-height:1.3;}
h3{font-size:1.25rem;line-height:1.5;font-weight:700;}
h4{font-size:1.0625rem;line-height:1.55;font-weight:600;}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.1em;padding-left:1.25em;}
:focus-visible{outline:none;box-shadow:var(--sh-focus);border-radius:var(--r-sm);}
::selection{background:var(--c-accent);color:var(--c-accent-ink);}

.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.site-section{padding:96px 0;}
.site-section--sand{background:var(--c-sand);}
.site-section--ink{background:linear-gradient(180deg,var(--c-ink) 0%,var(--c-ink-2) 100%);color:#E8EDE9;}
.site-section--ink h2,.site-section--ink h3{color:#fff;}

/* ---------- 导航 ---------- */
.site-header{
  position:absolute;
  top:0;left:0;right:0;
  z-index:1000;
  background:rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:0 8px 26px -18px rgba(14,21,18,.55);
  transition:background-color var(--t),box-shadow var(--t),border-color var(--t);
}
.site-header.is-stuck{
  position:fixed;
  background:rgba(247,248,245,.94);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-1);
}
.site-nav-inner{display:flex;align-items:center;gap:22px;height:72px;}
.site-logo{display:flex;align-items:center;gap:11px;color:#fff;flex:0 0 auto;}
.site-logo:hover{color:#fff;}
.site-logo-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--c-accent);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px -10px rgba(198,242,78,.75);
  flex:0 0 auto;
}
.site-logo-mark svg{width:22px;height:22px;}
.site-logo-text{display:flex;flex-direction:column;line-height:1.15;}
.site-logo-text strong{font-size:17px;font-weight:800;letter-spacing:-.01em;color:inherit;}
.site-logo-text em{font-style:normal;font-size:11.5px;font-weight:500;opacity:.78;color:inherit;}
.site-header.is-stuck .site-logo{color:var(--c-ink);}
.site-nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.site-nav-link{
  position:relative;
  padding:9px 14px;
  font-size:15px;
  font-weight:600;
  color:rgba(255,255,255,.92);
  border-radius:var(--r-pill);
}
.site-nav-link::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--c-accent);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.site-nav-link:hover{color:#fff;background:rgba(255,255,255,.12);}
.site-nav-link:hover::after{transform:scaleX(1);}
.site-nav-link.is-active{padding-left:24px;}
.site-nav-link.is-active::before{
  content:"";position:absolute;left:12px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--c-accent);
}
.site-header.is-stuck .site-nav-link{color:var(--c-ink);}
.site-header.is-stuck .site-nav-link:hover{background:rgba(20,86,63,.08);color:var(--c-brand-strong);}
.site-nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.site-nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  border:1px solid rgba(255,255,255,.34);
  background:rgba(255,255,255,.12);
  color:#fff;font-size:17px;cursor:pointer;
  align-items:center;justify-content:center;
  transition:background-color var(--t),border-color var(--t),color var(--t);
}
.site-header.is-stuck .site-nav-toggle{color:var(--c-ink);border-color:var(--c-line);background:rgba(20,86,63,.06);}
.site-nav-toggle:hover{background:rgba(255,255,255,.24);}
.site-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);
  background:rgba(247,248,245,.96);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-left:1px solid var(--c-line);
  box-shadow:var(--sh-3);
  transform:translateX(102%);
  transition:transform var(--t);
  z-index:1200;
  padding:26px 22px;
  overflow-y:auto;
  display:flex;flex-direction:column;gap:18px;
}
.site-drawer.is-open{transform:translateX(0);}
.site-drawer-head{display:flex;align-items:center;justify-content:space-between;}
.site-drawer-head strong{font-size:16px;font-weight:800;color:var(--c-ink);}
.site-drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink);cursor:pointer;font-size:16px;
}
.site-drawer-links{display:flex;flex-direction:column;gap:4px;}
.site-drawer-link{
  padding:14px 12px;border-radius:var(--r-md);
  font-size:16px;font-weight:600;color:var(--c-ink);
  border:1px solid transparent;
}
.site-drawer-link:hover{background:#fff;border-color:var(--c-line);color:var(--c-brand-strong);}
.site-drawer-link.is-active{background:#fff;border-color:var(--c-line);color:var(--c-brand-strong);}
.site-drawer-mask{
  position:fixed;inset:0;background:rgba(14,21,18,.46);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
  z-index:1100;
}
.site-drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 按钮 ---------- */
.site-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;
  border-radius:var(--r-pill);
  font-size:16px;font-weight:700;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background-color var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.site-btn i{transition:transform var(--t);}
.site-btn:hover i{transform:translateX(4px);}
.site-btn-primary{background:var(--c-accent);color:var(--c-accent-ink);box-shadow:var(--sh-1);}
.site-btn-primary:hover{background:#B4E03C;color:var(--c-accent-ink);transform:translateY(-2px);box-shadow:var(--sh-2);}
.site-btn-primary:active{transform:translateY(1px);}
.site-btn-ghost{background:transparent;border-color:rgba(255,255,255,.72);color:#fff;}
.site-btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.site-btn-outline{background:transparent;border-color:var(--c-line);color:var(--c-ink);}
.site-btn-outline:hover{background:rgba(20,86,63,.07);border-color:var(--c-brand);color:var(--c-brand-strong);}
.site-btn-sm{padding:10px 20px;font-size:14.5px;}
.site-btn-block{width:100%;}
.site-btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;}

.site-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;
  background:var(--c-sand);color:var(--c-brand);
}
.site-section--ink .site-badge,.site-hero-inner .site-badge{background:rgba(255,255,255,.14);color:#fff;}

/* ---------- 文章 Banner ---------- */
.site-article-banner{
  position:relative;
  min-height:392px;
  display:flex;align-items:flex-end;
  padding:150px 0 56px;
  background-image:linear-gradient(180deg,rgba(14,21,18,.72) 0%,rgba(14,21,18,.62) 55%,rgba(14,21,18,.86) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  color:#fff;
}
.site-article-banner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:80px;
  background:linear-gradient(180deg,rgba(247,248,245,0),var(--c-bg));
  pointer-events:none;
}
.site-article-banner .site-container{position:relative;z-index:2;}
.site-article-banner h1{
  color:#fff;
  font-size:clamp(1.75rem,3.6vw,2.75rem);
  margin:16px 0 18px;
  max-width:940px;
  word-break:break-word;
}
.site-meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;
  font-size:14.5px;color:rgba(255,255,255,.82);
}
.site-meta-row span{display:inline-flex;align-items:center;gap:6px;}
.site-meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.5);}

.site-crumb{
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
}
.site-crumb-inner{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:14px 0;font-size:14px;color:var(--c-text-2);
}
.site-crumb-inner a{color:var(--c-support);font-weight:600;}
.site-crumb-inner a:hover{color:var(--c-brand-strong);}
.site-crumb-inner .is-current{color:var(--c-text-2);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 正文布局 ---------- */
.site-article-wrap{padding:64px 0 88px;background:var(--c-bg);}
.site-article-grid{display:flex;flex-wrap:wrap;gap:48px;align-items:flex-start;}
.site-article-main{flex:1 1 620px;min-width:0;}
.site-article-side{flex:0 0 320px;max-width:320px;position:sticky;top:96px;}

.site-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.site-card:hover{box-shadow:var(--sh-2);border-color:rgba(20,86,63,.3);transform:translateY(-4px);}
.site-card-title{font-size:1.0625rem;font-weight:700;color:var(--c-ink);margin-bottom:8px;display:block;}
.site-card-text{font-size:15px;color:var(--c-text-2);margin:0;}

.site-article-body{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:44px 46px;
  box-shadow:var(--sh-1);
  font-size:18px;
  line-height:1.9;
  color:var(--c-text);
  word-break:break-word;
}
.site-article-body > *:first-child{margin-top:0;}
.site-article-body p{margin:0 0 1.2em;}
.site-article-body h2{
  position:relative;
  margin:2em 0 .8em;
  padding-left:16px;
  font-size:1.5rem;
  border-left:4px solid var(--c-accent);
  line-height:1.35;
  scroll-margin-top:100px;
}
.site-article-body h3{color:var(--c-brand);margin:1.7em 0 .6em;scroll-margin-top:100px;}
.site-article-body h4{margin:1.4em 0 .5em;}
.site-article-body ul,.site-article-body ol{line-height:1.9;margin:0 0 1.2em;padding-left:1.4em;}
.site-article-body li{margin-bottom:.45em;}
.site-article-body li::marker{color:var(--c-support);}
.site-article-body a{color:#1E8C79;font-weight:600;border-bottom:1px solid rgba(30,140,121,.35);}
.site-article-body a:hover{color:var(--c-brand-strong);border-bottom-color:var(--c-brand-strong);}
.site-article-body blockquote{
  margin:1.6em 0;
  padding:20px 24px 20px 26px;
  background:var(--c-sand);
  border-left:4px solid var(--c-brand);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--c-ink);
  font-size:17px;
  position:relative;
}
.site-article-body blockquote::before{
  content:"“";
  position:absolute;top:2px;right:18px;
  font-size:52px;line-height:1;color:rgba(20,86,63,.16);font-weight:800;
}
.site-article-body blockquote p:last-child{margin-bottom:0;}
.site-article-body img{
  border-radius:var(--r-md);
  margin:1.6em auto;
  box-shadow:var(--sh-1);
}
.site-article-body figure{margin:1.6em 0;}
.site-article-body figcaption{
  text-align:center;font-size:14px;color:var(--c-text-2);margin-top:10px;
}
.site-article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;
  font-size:15.5px;
}
.site-article-body .table-scroll{overflow-x:auto;margin:1.6em 0;}
.site-article-body th{
  background:var(--c-sand);color:var(--c-ink);text-align:left;
  padding:12px 14px;border:1px solid var(--c-line);font-weight:700;
}
.site-article-body td{
  padding:12px 14px;border:1px solid var(--c-line);
}
.site-article-body code{
  background:rgba(20,86,63,.07);
  padding:2px 7px;border-radius:6px;
  font-size:.92em;word-break:break-all;
}
.site-article-body hr{border:none;border-top:1px solid var(--c-line);margin:2.2em 0;}

.site-empty{
  text-align:center;
  padding:64px 24px;
  border:1px dashed var(--c-line);
  border-radius:var(--r-md);
  background:var(--c-bg);
}
.site-empty i{font-size:34px;color:var(--c-brand);margin-bottom:14px;display:block;}
.site-empty strong{display:block;font-size:1.15rem;font-weight:800;color:var(--c-ink);margin-bottom:6px;}
.site-empty p{color:var(--c-text-2);margin:0 0 20px;font-size:15px;}

/* ---------- 侧栏 ---------- */
.site-side-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:22px;
  box-shadow:var(--sh-1);
  margin-bottom:22px;
}
.site-side-card h3{
  font-size:15px;font-weight:800;color:var(--c-ink);
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.site-side-card h3 i{color:var(--c-brand);}
.site-toc{list-style:none;margin:0;padding:0;counter-reset:toc;}
.site-toc li{counter-increment:toc;}
.site-toc a{
  display:block;padding:8px 10px 8px 30px;position:relative;
  font-size:14.5px;color:var(--c-text-2);border-radius:var(--r-sm);
  line-height:1.55;
}
.site-toc a::before{
  content:counter(toc,decimal-leading-zero);
  position:absolute;left:8px;top:8px;
  font-size:12px;font-weight:700;color:var(--c-support);
}
.site-toc a:hover{background:rgba(20,86,63,.07);color:var(--c-brand-strong);}
.site-toc a.is-current{background:rgba(198,242,78,.28);color:var(--c-accent-ink);font-weight:700;}
.site-side-links{display:flex;flex-direction:column;gap:10px;}
.site-side-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;border:1px solid var(--c-line);border-radius:var(--r-sm);
  font-size:14.5px;font-weight:600;color:var(--c-ink);background:var(--c-bg);
}
.site-side-link:hover{border-color:var(--c-brand);color:var(--c-brand-strong);background:#fff;}
.site-side-link i{color:var(--c-support);font-size:12px;}

/* ---------- 文末标签与推荐 ---------- */
.site-article-foot{margin-top:36px;}
.site-tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:26px;}
.site-tag{
  display:inline-block;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-sand);color:var(--c-brand);font-size:13px;font-weight:600;
}
.site-tag:hover{background:var(--c-brand);color:#fff;}
.site-divider{height:1px;background:var(--c-line);border:none;margin:0 0 30px;}
.site-foot-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px;}
.site-foot-title h3{font-size:1.25rem;}
.site-foot-title a{font-size:14.5px;font-weight:600;color:var(--c-support);display:inline-flex;align-items:center;gap:6px;}
.site-reco-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:30px;}
.site-reco{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  display:flex;flex-direction:column;
}
.site-reco:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(20,86,63,.3);}
.site-reco-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--c-sand);}
.site-reco-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.site-reco:hover .site-reco-media img{transform:scale(1.03);}
.site-reco-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.site-reco-body h4{
  font-size:1rem;font-weight:700;color:var(--c-ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.site-reco-body p{
  font-size:14px;color:var(--c-text-2);margin:0;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.site-reco-date{font-size:13px;color:var(--c-text-2);margin-top:auto;}

/* ---------- FAQ ---------- */
.site-accordion{border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;background:var(--c-surface);list-style:none;margin:0;padding:0;}
.site-accordion li{border-bottom:1px solid var(--c-line);}
.site-accordion li:last-child{border-bottom:none;}
.site-accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16.5px;font-weight:700;color:var(--c-ink);
  background:transparent;border:none;
}
.site-accordion .accordion-title:hover{background:rgba(20,86,63,.05);color:var(--c-brand-strong);}
.site-accordion .accordion-title::before{display:none;}
.site-accordion .accordion-title i{color:var(--c-brand);transition:transform var(--t);flex:0 0 auto;}
.site-accordion .is-active > .accordion-title{color:var(--c-brand-strong);box-shadow:inset 3px 0 0 var(--c-accent);}
.site-accordion .is-active > .accordion-title i{transform:rotate(180deg);}
.site-accordion .accordion-content{padding:0 24px 22px;color:var(--c-text-2);font-size:15.5px;}
.site-accordion .accordion-content p:last-child{margin-bottom:0;}

.site-section-head{max-width:760px;margin-bottom:44px;}
.site-section-head h2{margin-bottom:16px;}
.site-section-head h2::after{
  content:"";display:block;width:56px;height:4px;border-radius:2px;
  background:var(--c-accent);margin-top:16px;
}
.site-section-head p{color:var(--c-text-2);font-size:16.5px;margin:0;}

/* ---------- CTA ---------- */
.site-cta{
  position:relative;
  padding:88px 0;
  background-image:linear-gradient(180deg,rgba(14,21,18,.86) 0%,rgba(26,36,31,.92) 100%),url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
  color:#fff;text-align:center;
}
.site-cta h2{color:#fff;margin-bottom:16px;}
.site-cta p{color:rgba(255,255,255,.8);max-width:640px;margin:0 auto 32px;font-size:16.5px;}
.site-cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:linear-gradient(180deg,var(--c-ink) 0%,var(--c-ink-2) 100%);
  color:rgba(232,237,233,.76);
  padding:72px 0 26px;
  font-size:15px;
}
.site-footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;
}
.site-footer h4{color:#fff;font-size:15.5px;font-weight:800;margin-bottom:16px;}
.site-footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;color:#fff;font-weight:800;font-size:17px;}
.site-footer-brand .site-logo-mark{width:36px;height:36px;border-radius:10px;}
.site-footer p{color:rgba(232,237,233,.68);line-height:1.85;}
.site-footer-links{display:flex;flex-direction:column;gap:11px;}
.site-footer-links a{color:rgba(232,237,233,.74);font-size:14.5px;}
.site-footer-links a:hover{color:var(--c-accent);text-decoration:underline;}
.site-footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:rgba(232,237,233,.6);
}

/* ---------- 返回顶部 ---------- */
.site-backtop{
  position:fixed;right:22px;bottom:26px;z-index:900;
  width:48px;height:48px;border-radius:50%;
  border:1px solid var(--c-line);background:#fff;color:var(--c-brand);
  box-shadow:var(--sh-2);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--t),visibility var(--t),transform var(--t),background-color var(--t),color var(--t);
}
.site-backtop.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.site-backtop:hover{background:var(--c-accent);color:var(--c-accent-ink);border-color:var(--c-accent);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .site-section{padding:72px 0;}
  .site-article-side{position:static;flex:1 1 100%;max-width:100%;}
  .site-article-grid{gap:34px;}
  .site-reco-grid{grid-template-columns:repeat(2,1fr);}
  .site-footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media screen and (max-width:768px){
  body{font-size:16px;}
  .site-section{padding:56px 0;}
  .site-nav-links,.site-nav-actions .site-btn{display:none;}
  .site-nav-toggle{display:inline-flex;}
  .site-nav-inner{height:60px;gap:12px;}
  .site-logo-mark{width:34px;height:34px;}
  .site-logo-text strong{font-size:15px;}
  .site-logo-text em{display:none;}
  .site-article-banner{min-height:320px;padding:120px 0 44px;}
  .site-article-wrap{padding:40px 0 60px;}
  .site-article-body{padding:26px 20px;font-size:17px;line-height:1.85;}
  .site-reco-grid{grid-template-columns:1fr;}
  .site-cta{padding:64px 0;}
  .site-footer{padding:56px 0 22px;}
  .site-footer-grid{grid-template-columns:1fr;}
  .site-accordion .accordion-title{padding:18px 18px;font-size:15.5px;min-height:52px;}
  .site-accordion .accordion-content{padding:0 18px 18px;}
  .site-btn{padding:13px 24px;}
}
@media screen and (max-width:520px){
  .site-container{padding:0 16px;}
  h1{font-size:1.75rem;}
  .site-article-banner h1{font-size:1.55rem;}
  .site-article-body h2{font-size:1.25rem;padding-left:12px;}
  .site-card,.site-side-card{padding:18px;}
  .site-btn{width:100%;}
  .site-cta-actions{flex-direction:column;}
  .site-crumb-inner .is-current{max-width:34ch;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --c-ink:#0E1512;
  --c-ink-2:#1A241F;
  --c-brand:#14563F;
  --c-brand-strong:#0E4230;
  --c-accent:#C6F24E;
  --c-accent-ink:#10240F;
  --c-support:#2BB39A;
  --c-support-dark:#1E8C79;
  --c-sand:#EFEBE0;
  --c-bg:#F7F8F5;
  --c-surface:#FFFFFF;
  --c-line:#DCE3DA;
  --c-text:#26302B;
  --c-text-2:#5B6862;
  --c-warn:#FF7A33;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,21,18,.06);
  --sh-2:0 14px 34px -14px rgba(14,21,18,.20);
  --sh-3:0 26px 60px -24px rgba(14,21,18,.30);
  --sh-focus:0 0 0 4px rgba(198,242,78,.38);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-support-dark);text-decoration:none;transition:color 180ms var(--ease)}
a:hover{color:var(--c-brand)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.01em;color:var(--c-ink)}
p{margin:0}
button{font-family:inherit}
table{border-collapse:collapse}
:focus-visible{outline:none;box-shadow:var(--sh-focus);border-radius:var(--r-sm)}

.site-container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.site-visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:1000;margin-bottom:-72px}
.site-nav{
  background:rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:0 12px 30px -22px rgba(14,21,18,.6);
  transition:background 180ms var(--ease),border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.site-header.is-stuck .site-nav{
  background:rgba(247,248,245,.94);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom-color:var(--c-line);
  box-shadow:0 10px 28px -20px rgba(14,21,18,.42);
}
.site-nav-inner{display:flex;align-items:center;gap:22px;height:72px}

.site-logo{display:flex;align-items:center;gap:10px;color:#fff;flex:0 0 auto}
.site-logo:hover{color:#fff}
.site-logo-mark{
  width:38px;height:38px;border-radius:11px;background:var(--c-accent);
  display:grid;place-items:center;color:var(--c-accent-ink);flex:0 0 auto;
}
.site-logo-mark svg{width:21px;height:21px;display:block}
.site-logo-text{display:flex;flex-direction:column;line-height:1.15}
.site-logo-en{font-size:11px;font-weight:700;letter-spacing:.16em;opacity:.72;font-family:var(--font-num)}
.site-logo-cn{font-size:17px;font-weight:800}
.site-header.is-stuck .site-logo{color:var(--c-ink)}
.site-header.is-stuck .site-logo:hover{color:var(--c-ink)}

.site-nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.site-nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:rgba(255,255,255,.88);
  transition:background 180ms var(--ease),color 180ms var(--ease),padding 180ms var(--ease);
}
.site-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;
  transition:transform 180ms var(--ease);
}
.site-nav-link:hover{color:#fff;background:rgba(255,255,255,.10)}
.site-nav-link:hover::after{transform:scaleX(1)}
.site-nav-link.is-active{color:#fff;background:rgba(255,255,255,.14);padding-left:26px}
.site-nav-link.is-active::before{
  content:"";position:absolute;left:11px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--c-accent);
}
.site-header.is-stuck .site-nav-link{color:var(--c-text-2)}
.site-header.is-stuck .site-nav-link:hover{color:var(--c-ink);background:rgba(20,86,63,.08)}
.site-header.is-stuck .site-nav-link.is-active{color:var(--c-brand);background:rgba(20,86,63,.10)}

.site-nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.site-nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid rgba(255,255,255,.34);background:rgba(255,255,255,.12);
  cursor:pointer;padding:0;place-items:center;gap:4px;flex-direction:column;
  transition:background 180ms var(--ease),border-color 180ms var(--ease);
}
.site-nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff}
.site-header.is-stuck .site-nav-toggle{border-color:var(--c-line);background:rgba(20,86,63,.06)}
.site-header.is-stuck .site-nav-toggle span{background:var(--c-ink)}

/* ============ 按钮 ============ */
.site-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:var(--r-pill);
  font-size:16px;font-weight:700;line-height:1;
  border:1.5px solid transparent;cursor:pointer;text-align:center;
  transition:transform 180ms var(--ease),background 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.site-btn--accent{background:var(--c-accent);color:var(--c-accent-ink);box-shadow:var(--sh-1)}
.site-btn--accent:hover{background:#B4E03C;color:var(--c-accent-ink);transform:translateY(-2px);box-shadow:var(--sh-2)}
.site-btn--accent:active{transform:translateY(1px)}
.site-btn--ghost{background:transparent;border-color:rgba(14,21,18,.28);color:var(--c-ink)}
.site-btn--ghost:hover{background:rgba(14,21,18,.06);color:var(--c-ink)}
.site-btn--ghost-light{background:transparent;border-color:rgba(255,255,255,.58);color:#fff}
.site-btn--ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.site-btn--ghost-light:active{transform:translateY(1px)}
.site-btn--sm{padding:11px 22px;font-size:15px}
.site-btn--block{width:100%}
.site-btn[disabled]{opacity:.4;pointer-events:none;transform:none}

/* ============ Hero ============ */
.site-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:158px 0 92px;
  background:linear-gradient(165deg,#0E1512 0%,#1A241F 58%,#0E4230 130%);
}
.site-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.20;
}
.site-hero::after{
  content:"";position:absolute;right:-6%;top:-24%;width:50%;height:150%;
  background:repeating-linear-gradient(115deg,rgba(198,242,78,.16) 0 2px,transparent 2px 28px);
  transform:skewX(-8deg);pointer-events:none;
}
.site-hero-grid{position:relative;z-index:2;align-items:center}

.site-breadcrumb{position:relative;z-index:2;margin-bottom:26px;font-size:14px}
.site-breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.site-breadcrumb li{display:inline-flex;align-items:center;gap:6px}
.site-breadcrumb li+li::before{content:"›";color:rgba(255,255,255,.5)}
.site-breadcrumb a{color:rgba(255,255,255,.82)}
.site-breadcrumb a:hover{color:var(--c-accent)}
.site-breadcrumb [aria-current]{color:rgba(255,255,255,.6)}

.site-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;letter-spacing:.01em;
  background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.22);
}
.site-eyebrow--light{background:var(--c-sand);color:var(--c-brand);border-color:transparent}

.site-hero h1{
  margin:18px 0 0;color:#fff;
  font-size:clamp(2rem,4.6vw,3.25rem);line-height:1.18;max-width:15em;
}
.site-hero-sub{margin-top:16px;font-size:clamp(1.05rem,1.6vw,1.2rem);color:rgba(255,255,255,.82);max-width:34em}
.site-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}

.site-hero-card{
  background:var(--c-sand);color:var(--c-text);
  border-radius:var(--r-lg);padding:26px 26px 10px;
  box-shadow:var(--sh-3);
}
.site-hero-card-title{font-size:1.0625rem;font-weight:800;color:var(--c-ink);letter-spacing:0}
.site-metric-list{margin-top:10px}
.site-metric-list li{
  display:grid;grid-template-columns:auto 1fr;gap:2px 16px;align-items:baseline;
  padding:16px 0;border-top:1px solid rgba(14,21,18,.10);
}
.site-metric-list li:first-child{border-top:0}
.site-metric-num{
  font-family:var(--font-num);font-size:32px;font-weight:800;line-height:1;
  color:var(--c-brand);
}
.site-metric-label{font-size:15px;font-weight:700;color:var(--c-ink)}
.site-metric-desc{grid-column:2;font-size:14px;color:var(--c-text-2);line-height:1.6}

/* ============ 板块 ============ */
.site-section{padding:96px 0}
.site-section--sand{background:var(--c-sand)}
.site-section--tight{padding:72px 0}
.site-section-head{max-width:780px;margin-bottom:46px}
.site-section-title{font-size:clamp(1.5rem,2.8vw,2.125rem);line-height:1.3}
.site-section-title::after{
  content:"";display:block;width:56px;height:4px;border-radius:2px;
  background:var(--c-accent);margin-top:18px;
}
.site-section-lead{margin-top:16px;font-size:17px;color:var(--c-text-2)}
.site-section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.site-section-head--center .site-section-title::after{margin-left:auto;margin-right:auto}

/* ============ 规格清单 ============ */
.site-spec-list{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
}
.site-spec-row{
  display:grid;grid-template-columns:56px minmax(0,1fr) auto;align-items:center;
  gap:18px;min-height:72px;padding:18px 26px;
  border-bottom:1px solid var(--c-line);
  transition:background 180ms var(--ease);
}
.site-spec-row:last-child{border-bottom:0}
.site-spec-row:hover{background:var(--c-sand)}
.site-spec-index{
  font-family:var(--font-num);font-size:15px;font-weight:800;letter-spacing:.06em;
  color:var(--c-brand);
}
.site-spec-name{font-size:1.0625rem;font-weight:700;line-height:1.5}
.site-spec-desc{margin-top:4px;font-size:15px;color:var(--c-text-2);line-height:1.7}
.site-badge{
  display:inline-flex;align-items:center;white-space:nowrap;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-sand);color:var(--c-brand);
  font-size:13px;font-weight:600;line-height:1.5;
}
.site-section--sand .site-badge{background:rgba(255,255,255,.9)}

/* ============ 场景卡片 ============ */
.site-mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.site-mini-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),border-color 180ms var(--ease);
}
.site-mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(20,86,63,.3)}
.site-mini-icon{
  width:46px;height:46px;border-radius:13px;margin-bottom:16px;
  background:rgba(20,86,63,.09);color:var(--c-brand);
  display:grid;place-items:center;font-size:18px;
}
.site-mini-card h3{font-size:1.0625rem;font-weight:700;margin-bottom:8px}
.site-mini-card p{font-size:15px;color:var(--c-text-2);line-height:1.75}

/* ============ 图文分栏 ============ */
.site-split{display:grid;grid-template-columns:1.02fr 1fr;gap:56px;align-items:center}
.site-step-list{display:flex;flex-direction:column;gap:18px;margin-top:28px}
.site-step-list li{display:grid;grid-template-columns:34px minmax(0,1fr);gap:14px;align-items:start}
.site-step-num{
  width:34px;height:34px;border-radius:50%;background:var(--c-brand);color:#fff;
  font-family:var(--font-num);font-size:14px;font-weight:700;display:grid;place-items:center;
}
.site-step-body strong{display:block;font-size:1rem;font-weight:700;color:var(--c-ink)}
.site-step-body span{display:block;font-size:15px;color:var(--c-text-2);line-height:1.72}

.site-figure{position:relative;margin:0;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-3)}
.site-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform 220ms var(--ease)}
.site-figure:hover img{transform:scale(1.03)}
.site-figure-tag{
  position:absolute;left:18px;bottom:18px;
  padding:7px 15px;border-radius:var(--r-pill);
  background:rgba(14,21,18,.74);color:#fff;font-size:13px;font-weight:600;
}

/* ============ 对比表 ============ */
.site-table-wrap{
  overflow-x:auto;border-radius:var(--r-md);border:1px solid var(--c-line);
  background:var(--c-surface);box-shadow:var(--sh-1);
}
.site-table{width:100%;min-width:600px;margin:0}
.site-table th,.site-table td{
  padding:16px 20px;text-align:left;font-size:15px;line-height:1.7;
  border-bottom:1px solid var(--c-line);
}
.site-table thead th{background:var(--c-sand);color:var(--c-ink);font-weight:700}
.site-table tbody td:first-child{font-weight:700;color:var(--c-ink);width:26%}
.site-table tbody tr:last-child td{border-bottom:0}
.site-table tbody tr{transition:background 180ms var(--ease)}
.site-table tbody tr:hover{background:rgba(239,235,224,.55)}

/* ============ FAQ ============ */
.site-faq-list.accordion{border:0;background:transparent;margin:0}
.site-faq-list .accordion-item{
  border:0;border-bottom:1px solid var(--c-line);background:transparent;
  transition:box-shadow 180ms var(--ease);
}
.site-faq-list .accordion-item:first-child{border-top:1px solid var(--c-line)}
.site-faq-list .accordion-item.is-active{box-shadow:inset 3px 0 0 var(--c-accent)}
.site-faq-list .accordion-title{
  position:relative;display:block;border:0;background:transparent;
  padding:22px 56px 22px 18px;
  font-size:1.0625rem;font-weight:700;color:var(--c-ink);line-height:1.6;
  transition:color 180ms var(--ease),background 180ms var(--ease);
}
.site-faq-list .accordion-title::before{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:auto;right:20px;top:50%;width:auto;height:auto;
  transform:translateY(-50%);margin:0;background:none;font-size:13px;
  color:var(--c-brand);transition:transform 180ms var(--ease);
}
.site-faq-list .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(180deg)}
.site-faq-list .accordion-title:hover{color:var(--c-brand);background:rgba(239,235,224,.55)}
.site-faq-list .accordion-item.is-active .accordion-title{color:var(--c-brand)}
.site-faq-list .accordion-content{
  border:0;background:transparent;padding:0 56px 24px 18px;
  font-size:15px;color:var(--c-text-2);line-height:1.8;
}

/* ============ 分类胶囊导航 ============ */
.site-pill-nav{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.site-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);
  border:1.5px solid var(--c-line);background:var(--c-surface);
  color:var(--c-text);font-size:15px;font-weight:600;
  transition:transform 180ms var(--ease),border-color 180ms var(--ease),color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.site-pill:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px);box-shadow:var(--sh-1)}
.site-pill.is-current{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-accent-ink)}
.site-pill.is-current:hover{color:var(--c-accent-ink);border-color:var(--c-accent)}

/* ============ CTA ============ */
.site-cta{position:relative;overflow:hidden;padding:92px 0;background:var(--c-ink);color:#fff;text-align:center}
.site-cta::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;opacity:.24;
}
.site-cta::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,21,18,.78),rgba(14,21,18,.90));
}
.site-cta .site-container{position:relative;z-index:2}
.site-cta-title{color:#fff;font-size:clamp(1.5rem,2.8vw,2.125rem);line-height:1.3}
.site-cta-title::after{
  content:"";display:block;width:56px;height:4px;border-radius:2px;
  background:var(--c-accent);margin:18px auto 0;
}
.site-cta-text{margin-top:18px;font-size:17px;color:rgba(255,255,255,.78);max-width:44em;margin-left:auto;margin-right:auto}
.site-cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:34px}

/* ============ 页脚 ============ */
.site-footer{
  background:linear-gradient(180deg,#0E1512,#1A241F);
  color:rgba(255,255,255,.72);font-size:15px;padding-top:72px;
}
.site-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.site-footer-brand{
  display:flex;align-items:center;gap:10px;color:#fff;
  font-size:17px;font-weight:800;margin-bottom:16px;
}
.site-footer .site-logo-mark{width:34px;height:34px;border-radius:10px;background:var(--c-accent);color:var(--c-accent-ink);display:grid;place-items:center}
.site-footer .site-logo-mark svg{width:19px;height:19px}
.site-footer h4{color:#fff;font-size:1rem;font-weight:700;margin-bottom:16px}
.site-footer p{line-height:1.8;color:rgba(255,255,255,.7)}
.site-footer-links{display:flex;flex-direction:column;gap:10px}
.site-footer-links a{color:rgba(255,255,255,.72)}
.site-footer-links a:hover{color:var(--c-accent);text-decoration:underline}
.site-footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.14);
  margin-top:56px;padding:22px 0;font-size:14px;color:rgba(255,255,255,.55);
}

/* ============ 移动抽屉 ============ */
.site-drawer-mask{
  position:fixed;inset:0;background:rgba(14,21,18,.5);z-index:1100;
  opacity:0;visibility:hidden;transition:opacity 240ms var(--ease),visibility 240ms var(--ease);
}
.site-drawer-mask.is-open{opacity:1;visibility:visible}
.site-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:1200;
  background:rgba(247,248,245,.97);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--sh-3);padding:24px;
  display:flex;flex-direction:column;gap:24px;overflow-y:auto;
  transform:translateX(105%);transition:transform 240ms var(--ease);
}
.site-drawer.is-open{transform:translateX(0)}
.site-drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.site-drawer-head span{font-size:15px;font-weight:800;color:var(--c-ink)}
.site-drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-ink);cursor:pointer;font-size:15px;
}
.site-drawer-links{display:flex;flex-direction:column;gap:6px}
.site-drawer-links a{
  padding:14px 16px;border-radius:var(--r-sm);
  font-size:16px;font-weight:600;color:var(--c-text);
}
.site-drawer-links a:hover{background:rgba(20,86,63,.07);color:var(--c-brand)}
.site-drawer-links a.is-active{background:rgba(20,86,63,.11);color:var(--c-brand)}
.site-drawer-note{font-size:13px;color:var(--c-text-2);line-height:1.7;margin-top:auto}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .site-split{gap:36px}
  .site-footer-grid{grid-template-columns:1.4fr 1fr;gap:34px}
}

@media (max-width:960px){
  .site-header{margin-bottom:-60px}
  .site-nav-inner{height:60px}
  .site-nav-links{display:none}
  .site-nav-toggle{display:inline-flex}
  .site-nav-actions .site-btn{display:none}
  .site-hero{padding:126px 0 68px}
  .site-hero::after{display:none}
  .site-section{padding:64px 0}
  .site-section--tight{padding:56px 0}
  .site-split{grid-template-columns:1fr;gap:32px}
  .site-mini-grid{grid-template-columns:1fr}
  .site-cta{padding:72px 0}
}

@media (max-width:768px){
  body{font-size:16px}
  .site-hero{min-height:520px;padding:112px 0 60px}
  .site-section{padding:48px 0}
  .site-section-head{margin-bottom:32px}
  .site-spec-row{grid-template-columns:40px minmax(0,1fr);gap:12px;padding:16px 18px}
  .site-spec-row .site-badge{grid-column:2;justify-self:start;margin-top:8px}
  .site-faq-list .accordion-title{padding:20px 50px 20px 16px;min-height:52px}
  .site-faq-list .accordion-content{padding:0 50px 22px 16px}
  .site-footer-grid{grid-template-columns:1fr;gap:32px}
  .site-cta-actions .site-btn{width:100%}
  .site-hero-actions .site-btn{width:100%}
}

@media (max-width:520px){
  .site-container{padding-left:16px;padding-right:16px}
  .site-hero h1{font-size:1.85rem}
  .site-logo-cn{font-size:15px}
  .site-logo-en{font-size:10px}
  .site-metric-num{font-size:26px}
  .site-section-title{font-size:1.4rem}
  .site-spec-index{font-size:14px}
  .site-pill{padding:10px 18px;font-size:14px}
  .site-footer-bottom{flex-direction:column;gap:6px}
}

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