/* roulang page: index */
:root{
  --brand:#0E3B31;
  --brand-2:#17594A;
  --brand-3:#1F7A63;
  --lime:#C9F24D;
  --lime-dark:#B6DF37;
  --orange:#FF6A2B;
  --danger:#D14343;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --sub:#EEF1EC;
  --line:#E5E3DB;
  --ink:#1A1D1B;
  --muted:#5A6360;
  --inv:#F4F7F2;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --shadow:0 1px 2px rgba(14,59,49,.06),0 10px 26px rgba(14,59,49,.08);
  --shadow-hover:0 2px 6px rgba(14,59,49,.10),0 16px 34px rgba(14,59,49,.14);
  --tr:180ms ease-out;
  --nav-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--tr),border-color var(--tr)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--ink)}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
.shell{margin-left:var(--nav-w)}

/* 左侧竖导航 */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--brand);color:var(--inv);
  display:flex;flex-direction:column;
  padding:26px 0 22px;z-index:60;
}
.brand{display:flex;align-items:center;gap:12px;padding:0 20px 24px;border-bottom:1px solid rgba(255,255,255,.10)}
.brand__mark{color:var(--lime);flex:0 0 34px;display:flex}
.brand__text{font-size:17px;font-weight:700;line-height:1.3;letter-spacing:.3px}
.brand__sub{display:block;font-size:12px;font-weight:400;color:rgba(244,247,242,.6);letter-spacing:0}
.nav{display:flex;flex-direction:column;padding:18px 0;flex:1}
.nav a{
  position:relative;display:flex;align-items:center;height:44px;
  padding:0 20px 0 20px;font-size:15px;color:rgba(244,247,242,.82);
  border-left:3px solid transparent;
}
.nav a:hover{background:rgba(201,242,77,.08);color:var(--lime)}
.nav a.is-active{color:var(--lime);border-left-color:var(--lime);background:rgba(201,242,77,.08)}
.nav a em{font-style:normal;font-size:12px;color:rgba(244,247,242,.42);margin-right:10px;font-variant-numeric:tabular-nums}
.side-foot{padding:18px 20px 0;border-top:1px solid rgba(255,255,255,.10)}
.side-foot .btn{width:100%;justify-content:center;padding:12px 16px;font-size:14px}
.side-foot small{display:block;margin-top:14px;font-size:12px;color:rgba(244,247,242,.5);line-height:1.7}

/* 移动端顶栏与抽屉 */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:70;
  background:var(--card);border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 18px;
  box-shadow:0 1px 2px rgba(14,59,49,.06);
}
.topbar__brand{display:flex;align-items:center;gap:10px;color:var(--brand);font-weight:700;font-size:16px}
.topbar__brand .brand__mark{flex:0 0 28px}
.hamburger{width:44px;height:44px;border:0;background:transparent;display:flex;flex-direction:column;justify-content:center;gap:5px;align-items:center;cursor:pointer;border-radius:10px}
.hamburger span{display:block;width:22px;height:2px;background:var(--brand);border-radius:2px;transition:transform var(--tr)}
.hamburger:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.drawer{
  position:fixed;inset:0;background:var(--brand);z-index:90;
  display:flex;flex-direction:column;padding:22px 20px 32px;
  transform:translateX(-100%);transition:transform 240ms ease-out;
  overflow-y:auto;
}
.drawer.is-open{transform:none}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.12)}
.drawer__brand{color:var(--inv);font-size:16px;font-weight:700}
.drawer__close{width:44px;height:44px;border:0;background:transparent;color:var(--inv);font-size:26px;line-height:1;cursor:pointer;border-radius:10px}
.drawer__nav{display:flex;flex-direction:column;padding:18px 0}
.drawer__nav a{display:flex;align-items:center;height:56px;font-size:18px;color:rgba(244,247,242,.88);border-bottom:1px solid rgba(255,255,255,.08)}
.drawer__nav a em{font-style:normal;font-size:13px;color:rgba(244,247,242,.45);margin-right:14px}
.drawer__nav a.is-active{color:var(--lime)}
.drawer .btn{margin-top:22px;justify-content:center}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;font-size:15px;font-weight:700;
  border-radius:var(--r-btn);border:0;cursor:pointer;
  transition:transform var(--tr),box-shadow var(--tr),background var(--tr),color var(--tr),border-color var(--tr);
}
.btn--primary{background:var(--lime);color:var(--brand);box-shadow:0 6px 16px rgba(201,242,77,.30)}
.btn--primary:hover{background:var(--lime-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(201,242,77,.42)}
.btn--primary:active{transform:none;box-shadow:0 3px 10px rgba(201,242,77,.28)}
.btn--primary:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn--ghost{background:transparent;border:1.5px solid var(--brand);color:var(--brand)}
.btn--ghost:hover{background:rgba(14,59,49,.06)}
.btn--text{background:none;padding:4px 0;color:var(--brand);border-radius:0;border-bottom:2px solid var(--lime)}
.btn--text:hover{color:var(--brand-3)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* 徽章与标签 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;font-size:13px;font-weight:600;line-height:1.5}
.badge--line{border:1px solid rgba(14,59,49,.28);background:rgba(201,242,77,.20);color:var(--brand)}
.badge--lime{background:var(--lime);color:var(--brand)}
.badge--orange{background:var(--orange);color:#fff}
.badge--grey{background:var(--sub);color:var(--muted)}
.tag{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;background:var(--sub);color:var(--muted);font-size:13px}
.tag--brand{background:rgba(14,59,49,.08);color:var(--brand)}

/* 首屏 */
.hero{position:relative;overflow:hidden;padding:64px 0 96px;background:var(--bg)}
.hero::after{
  content:"";position:absolute;top:-160px;right:-140px;width:460px;height:460px;border-radius:50%;
  background:repeating-linear-gradient(45deg,rgba(201,242,77,.9) 0 5px,transparent 5px 16px);
  opacity:.20;pointer-events:none;
}
.hero__inner{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.hero h1{font-size:38px;line-height:1.3;margin:18px 0 16px}
.hero__sub{font-size:17px;color:var(--muted);max-width:520px;margin-bottom:26px}
.hero-stats{list-style:none;display:flex;gap:32px;margin-top:34px;padding-top:22px;border-top:1px solid var(--line);flex-wrap:wrap}
.hero-stats b{display:block;font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--brand);line-height:1.3}
.hero-stats span{font-size:13px;color:var(--muted)}
.hero__media{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--shadow)}
.hero__media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero__pill{
  position:absolute;left:16px;bottom:16px;padding:8px 16px;border-radius:999px;
  background:rgba(14,59,49,.78);color:var(--inv);font-size:13px;font-weight:600;
}

/* 数据条 */
.stats-wrap{position:relative;z-index:2;margin-top:-52px}
.stats{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(4,1fr);padding:30px 10px;
}
.stat{text-align:center;padding:0 14px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{display:block;font-size:30px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--brand);line-height:1.2}
.stat span{display:block;font-size:13px;color:var(--muted);margin-top:4px}

/* 板块 */
.section{padding:92px 0}
.section--sub{background:var(--sub)}
.sec-head{position:relative;padding-top:18px;margin-bottom:44px;max-width:760px}
.sec-head::before{content:"";position:absolute;top:0;left:16px;width:44px;height:2px;background:var(--line)}
.sec-head h2{font-size:26px;position:relative;padding-left:16px;margin-bottom:12px}
.sec-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--lime)}
.sec-head p{font-size:15px;color:var(--muted);margin:0}

/* 流程时间线 */
.timeline{list-style:none}
.tl-item{display:grid;grid-template-columns:120px 40px 1fr;align-items:start}
.tl-time{padding:22px 16px 0 0;font-size:14px;font-weight:600;color:var(--brand);font-variant-numeric:tabular-nums;text-align:right}
.tl-time span{display:block;font-size:13px;font-weight:400;color:var(--muted)}
.tl-axis{position:relative;display:flex;justify-content:center;align-self:stretch}
.tl-axis::before{content:"";position:absolute;top:0;bottom:0;width:2px;background:var(--line)}
.tl-item:first-child .tl-axis::before{top:28px}
.tl-item:last-child .tl-axis::before{bottom:auto;height:28px}
.tl-dot{position:relative;z-index:1;width:12px;height:12px;border-radius:50%;background:var(--card);border:2px solid var(--line);margin-top:26px}
.tl-item.is-done .tl-dot{background:var(--brand);border-color:var(--brand)}
.tl-item.is-now .tl-dot{background:var(--lime);border-color:var(--lime);box-shadow:0 0 0 6px rgba(201,242,77,.28)}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);padding:20px 22px;margin:10px 0 10px 12px;
  transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.tl-card:hover{transform:translateX(2px);border-color:rgba(201,242,77,.55);box-shadow:var(--shadow-hover)}
.tl-card h3{font-size:17px;margin-bottom:6px}
.tl-card p{font-size:14px;color:var(--muted);margin-bottom:12px}

/* 亮点：1 大 + 3 小 */
.spotlight{display:grid;grid-template-columns:1.02fr 1fr;gap:24px}
.spot-lg{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--card)}
.spot-lg img{width:100%;aspect-ratio:4/5;object-fit:cover}
.spot-lg__body{position:absolute;left:0;right:0;bottom:0;padding:24px;background:linear-gradient(to top,rgba(14,59,49,.92),rgba(14,59,49,.05));color:var(--inv)}
.spot-lg__body h3{color:var(--inv);font-size:20px;margin-bottom:6px}
.spot-lg__body p{font-size:14px;color:rgba(244,247,242,.82);margin:0}
.spot-small{display:grid;gap:16px;align-content:start}
.spot-sm{
  display:flex;gap:16px;align-items:center;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);padding:18px 20px;
  box-shadow:var(--shadow);transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.spot-sm:hover{transform:translateY(-2px);border-color:rgba(201,242,77,.55);box-shadow:var(--shadow-hover)}
.spot-sm img{width:80px;height:80px;border-radius:999px;object-fit:cover;flex:0 0 80px}
.spot-sm h4{font-size:16px;margin-bottom:4px}
.spot-sm p{font-size:13px;color:var(--muted);margin:0}

/* 图文交替 */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-top:56px}
.feature-row--rev .feature-row__media{order:2}
.feature-row__media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--shadow)}
.feature-row__body h3{font-size:22px;margin-bottom:14px}
.feature-row__body p{font-size:15px;color:var(--muted);max-width:560px}
.check-list{list-style:none;display:grid;gap:10px;margin-top:6px}
.check-list li{display:flex;gap:10px;font-size:14px;color:var(--muted)}
.check-list li::before{
  content:"";flex:0 0 16px;width:16px;height:16px;margin-top:6px;border-radius:4px;
  background:var(--lime) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6.4 4.6 9 10 3.2' fill='none' stroke='%230E3B31' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/10px no-repeat;
}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.news-card:hover{transform:translateY(-2px);border-color:rgba(201,242,77,.55);box-shadow:var(--shadow-hover)}
.news-card--lead{grid-column:span 2}
.news-card__link{display:flex;flex-direction:column;height:100%;color:inherit}
.news-card__media{position:relative;display:block;background:var(--sub)}
.news-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-card--lead .news-card__media img{aspect-ratio:16/9}
.news-card__badge{position:absolute;left:12px;top:12px;background:rgba(14,59,49,.82);color:var(--inv);padding:4px 12px;border-radius:999px;font-size:13px;font-weight:600}
.news-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-card__body h3{font-size:17px;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__body p{font-size:14px;color:var(--muted);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;border-top:1px solid var(--line);padding-top:12px}
.news-card__foot .arrow{color:var(--brand);font-weight:700;transition:transform var(--tr)}
.news-card:hover .news-card__foot .arrow{transform:translateX(3px)}
.news-more{margin-top:28px}
.empty{
  border:1.5px dashed #D8D6CE;border-radius:var(--r-card);min-height:200px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  color:var(--muted);font-size:14px;background:rgba(255,255,255,.6);
}
.empty svg{color:#C4C2BA}

/* 票种（报名档位） */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.plan:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(201,242,77,.55)}
.plan--reco{border-top:4px solid var(--lime);transform:translateY(-8px)}
.plan--reco:hover{transform:translateY(-10px)}
.plan__flag{position:absolute;right:18px;top:-13px}
.plan h3{font-size:18px;margin-bottom:6px}
.plan__desc{font-size:13px;color:var(--muted);margin-bottom:14px}
.plan__price{font-size:30px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--brand);line-height:1.2}
.plan__price small{font-size:14px;font-weight:400;color:var(--muted);margin-left:6px}
.plan ul{list-style:none;display:grid;gap:10px;margin:20px 0 24px}
.plan li{display:flex;gap:10px;font-size:14px;color:var(--muted)}
.plan li::before{
  content:"";flex:0 0 16px;width:16px;height:16px;margin-top:6px;border-radius:4px;
  background:var(--lime) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6.4 4.6 9 10 3.2' fill='none' stroke='%230E3B31' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/10px no-repeat;
}
.plan .btn{margin-top:auto;justify-content:center}

/* 报名 CTA */
.cta{position:relative;background:var(--brand);color:var(--inv);padding:78px 0;overflow:hidden}
.cta::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 22px);
}
.cta__inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.cta h2{color:var(--inv);font-size:26px;margin-bottom:14px}
.cta__lead{color:rgba(244,247,242,.78);font-size:15px;max-width:520px}
.cta__points{list-style:none;display:grid;gap:12px;margin-top:24px}
.cta__points li{display:flex;gap:10px;font-size:15px;color:rgba(244,247,242,.88)}
.cta__points li::before{content:"";flex:0 0 8px;width:8px;height:8px;border-radius:50%;background:var(--lime);margin-top:11px}
.form-card{background:var(--card);color:var(--ink);border-radius:var(--r-card);padding:28px;box-shadow:0 2px 8px rgba(14,59,49,.14),0 22px 44px rgba(0,0,0,.22)}
.form-card h3{font-size:18px;margin-bottom:18px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.field input,.field select{
  width:100%;height:44px;border-radius:var(--r-input);border:1px solid var(--line);
  padding:0 14px;font-size:15px;color:var(--ink);background:var(--card);
  transition:border-color var(--tr),box-shadow var(--tr);
}
.field select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 4.6 6 8.1l3.5-3.5' fill='none' stroke='%235A6360' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:12px;padding-right:38px;
}
.field input:focus,.field select:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,242,77,.35)}
.field--err input{border-color:var(--danger)}
.field__err{font-size:12px;color:var(--danger);margin-top:6px;display:none}
.field--err .field__err{display:block}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);margin:6px 0 18px;line-height:1.7}
.check input{width:18px;height:18px;flex:0 0 18px;margin-top:5px;border-radius:4px;accent-color:var(--lime)}
.form-card .btn{width:100%;justify-content:center}
.form-note{font-size:12px;color:var(--muted);margin:14px 0 0;line-height:1.7}

/* FAQ */
.faq{max-width:880px}
.faq__item{border-bottom:1px solid var(--line)}
.faq__item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 44px 20px 18px;font-size:16px;font-weight:600;
  transition:color var(--tr);
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:0;
  background:var(--lime);border-radius:2px;transition:width var(--tr);
}
.faq__item summary:hover{color:var(--brand-3)}
.faq__item summary:hover::before{width:2px}
.faq__item summary::after{
  content:"+";position:absolute;right:12px;top:50%;transform:translateY(-50%);
  font-size:20px;color:var(--brand);line-height:1;transition:transform var(--tr);
}
.faq__item[open] summary::after{content:"−";transform:translateY(-50%) rotate(90deg)}
.faq__item p{padding:0 44px 20px 18px;font-size:15px;line-height:1.85;color:var(--muted);margin:0}

/* 页脚 */
.footer{background:var(--brand);color:var(--inv);padding:64px 0 0}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer__brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer__brand .brand__mark{color:var(--lime)}
.footer__brand strong{font-size:17px}
.footer p{font-size:14px;color:rgba(244,247,242,.68);max-width:320px}
.footer h4{font-size:15px;color:var(--inv);margin-bottom:16px}
.footer ul{list-style:none}
.footer li{margin-bottom:8px}
.footer a{color:rgba(244,247,242,.78);font-size:14px}
.footer a:hover{color:var(--lime);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.footer__meta{font-size:14px;color:rgba(244,247,242,.68);line-height:2}
.footer__bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0 22px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(244,247,242,.58)}

/* Toast */
.toast{
  position:fixed;top:20px;right:20px;z-index:120;
  background:var(--brand);color:var(--inv);border-left:4px solid var(--lime);
  border-radius:10px;padding:14px 20px;font-size:14px;
  box-shadow:0 12px 30px rgba(14,59,49,.28);
  opacity:0;transform:translateY(-14px);pointer-events:none;
  transition:opacity var(--tr),transform var(--tr);
}
.toast.is-on{opacity:1;transform:none}

/* 响应式 */
@media (max-width:1439px){
  .container{padding:0 22px}
}
@media (max-width:1279px){
  .hero h1{font-size:34px}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .shell{margin-left:0;padding-top:64px}
  .topbar{display:flex}
  .hero{padding:44px 0 84px}
  .hero__inner{grid-template-columns:1fr;gap:32px}
  .hero__media{order:2}
  .hero h1{font-size:30px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .news-card--lead{grid-column:span 2}
  .spotlight{grid-template-columns:1fr}
  .feature-row{grid-template-columns:1fr;gap:24px}
  .feature-row--rev .feature-row__media{order:0}
  .cta__inner{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .hero{padding:34px 0 72px}
  .hero h1{font-size:28px}
  .hero__sub{font-size:16px}
  .hero-stats{gap:24px}
  .stats{grid-template-columns:repeat(2,1fr);gap:20px 0;padding:24px 6px}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){padding-bottom:18px;border-bottom:1px solid var(--line)}
  .sec-head h2{font-size:22px}
  .tl-item{grid-template-columns:28px 1fr}
  .tl-time{grid-column:2;grid-row:1;text-align:left;padding:0 0 6px 0;font-size:13px}
  .tl-axis{grid-column:1;grid-row:1/3}
  .tl-dot{margin-top:8px}
  .tl-card{grid-column:2;grid-row:2;margin:0 0 16px 0}
  .tl-item:first-child .tl-axis::before{top:14px}
  .tl-item:last-child .tl-axis::before{height:14px}
  .plans{grid-template-columns:1fr}
  .plan--reco{transform:none}
  .plan--reco:hover{transform:translateY(-2px)}
  .news-grid{grid-template-columns:1fr}
  .news-card--lead{grid-column:span 1}
  .footer__grid{grid-template-columns:1fr;gap:32px}
  .grid-2{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero h1{font-size:26px}
  .btn{width:100%;justify-content:center}
  .btn-row{gap:10px}
  .spot-sm{flex-direction:row}
  .spot-sm img{width:64px;height:64px;flex:0 0 64px}
  .stat b{font-size:24px}
  .plan__price{font-size:26px}
}

/* roulang page: article */
:root{
  --ink:#0E3B31;
  --ink-2:#17594A;
  --ink-3:#1F7A63;
  --lime:#C9F24D;
  --orange:#FF6A2B;
  --danger:#D14343;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --sub:#EEF1EC;
  --line:#E5E3DB;
  --text:#1A1D1B;
  --muted:#5A6360;
  --inv:#F4F7F2;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --sh:0 1px 2px rgba(14,59,49,.06), 0 10px 26px rgba(14,59,49,.08);
  --sh-hover:0 2px 4px rgba(14,59,49,.08), 0 16px 34px rgba(14,59,49,.14);
  --nav-w:240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-left:var(--nav-w);
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--ink);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;}
a:hover{color:var(--ink-3);text-decoration-color:var(--lime);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;}
p{margin:0 0 1em;}
button,input,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.skip{position:absolute;left:-9999px;}
.skip:focus{left:12px;top:12px;z-index:200;background:var(--lime);color:var(--ink);padding:10px 16px;border-radius:var(--r-btn);text-decoration:none;}
.container{width:100%;max-width:1000px;margin:0 auto;padding:0 24px;}
.container--wide{max-width:1240px;}

/* ---------- 左侧竖导航 ---------- */
.sidenav{
  position:fixed;left:0;top:0;width:var(--nav-w);height:100vh;
  background-color:var(--ink);
  background-image:repeating-linear-gradient(115deg,rgba(201,242,77,.055) 0 2px,transparent 2px 20px);
  color:var(--inv);
  display:flex;flex-direction:column;
  padding:26px 0 20px;
  z-index:60;
  border-right:1px solid rgba(255,255,255,.06);
}
.brand{display:flex;align-items:center;gap:10px;padding:0 20px 22px;color:var(--inv);text-decoration:none;}
.brand:hover{color:var(--inv);}
.brand__mark{display:inline-flex;color:var(--lime);}
.brand strong{font-size:16px;font-weight:700;letter-spacing:.2px;line-height:1.3;}
.brand small{display:block;font-size:12px;font-weight:400;color:rgba(244,247,242,.6);letter-spacing:.4px;}
.brand__text{display:flex;flex-direction:column;}
.nav{display:flex;flex-direction:column;border-top:1px solid rgba(255,255,255,.1);padding-top:8px;}
.nav a{
  display:flex;align-items:center;gap:12px;
  height:44px;padding:0 20px;
  font-size:15px;color:rgba(244,247,242,.82);
  text-decoration:none;
  border-left:3px solid transparent;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.nav a em{font-style:normal;font-size:12px;letter-spacing:.5px;opacity:.62;font-variant-numeric:tabular-nums;}
.nav a:hover{background:rgba(201,242,77,.08);color:var(--lime);border-left-color:var(--lime);}
.nav a.is-active{color:var(--lime);border-left-color:var(--lime);background:rgba(201,242,77,.08);}
.sidenav__foot{margin-top:auto;padding:20px;border-top:1px solid rgba(255,255,255,.1);}
.sidenav__foot p{font-size:12px;color:rgba(244,247,242,.6);margin:12px 0 0;line-height:1.6;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1.2;
  text-decoration:none;cursor:pointer;border:1.5px solid transparent;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.btn--primary{background:var(--lime);color:var(--ink);border-color:var(--lime);box-shadow:0 1px 2px rgba(14,59,49,.08);}
.btn--primary:hover{background:#bfe840;color:var(--ink);transform:translateY(-1px);box-shadow:0 10px 24px rgba(201,242,77,.42);}
.btn--primary:active{transform:translateY(0);box-shadow:0 1px 2px rgba(14,59,49,.12);}
.btn--ghost{background:transparent;color:var(--inv);border-color:rgba(244,247,242,.5);}
.btn--ghost:hover{background:rgba(244,247,242,.12);color:var(--inv);border-color:var(--lime);}
.btn--outline{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn--outline:hover{background:rgba(14,59,49,.06);color:var(--ink);}
.btn--text{background:none;border:0;padding:0;color:var(--ink);font-weight:600;text-decoration:underline;text-underline-offset:3px;}
.btn--text:hover{color:var(--ink-3);text-decoration-color:var(--lime);}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

/* ---------- 移动端顶栏与抽屉 ---------- */
.topbar{
  display:none;
  position:fixed;left:0;top:0;right:0;height:64px;
  background:#fff;border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;
  padding:0 16px;z-index:80;
  box-shadow:0 1px 2px rgba(14,59,49,.05);
}
.topbar .brand{padding:0;color:var(--ink);}
.topbar .brand__mark{color:var(--ink-2);}
.topbar .brand strong{font-size:15px;}
.burger{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--sub);border:1px solid var(--line);border-radius:var(--r-btn);cursor:pointer;
}
.burger span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
.drawer{
  position:fixed;inset:0;background-color:var(--ink);
  background-image:repeating-linear-gradient(115deg,rgba(201,242,77,.05) 0 2px,transparent 2px 20px);
  color:var(--inv);z-index:120;
  padding:20px;display:flex;flex-direction:column;
  transform:translateX(-100%);transition:transform .22s ease-out;
}
.drawer.is-open{transform:translateX(0);}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer__close{width:44px;height:44px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--r-btn);color:var(--inv);font-size:20px;cursor:pointer;line-height:1;}
.drawer nav a{
  display:flex;align-items:center;gap:14px;height:56px;
  font-size:18px;color:var(--inv);text-decoration:none;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer nav a em{font-style:normal;font-size:13px;color:var(--lime);font-variant-numeric:tabular-nums;}
.drawer nav a.is-active{color:var(--lime);}
.drawer__foot{margin-top:auto;}

/* ---------- 主区域 ---------- */
.main{padding:40px 0 72px;}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:22px;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:#C6C4BB;}
.breadcrumb a{color:var(--muted);text-decoration:none;}
.breadcrumb a:hover{color:var(--ink-3);text-decoration:underline;text-decoration-color:var(--lime);text-underline-offset:3px;}
.breadcrumb [aria-current]{color:var(--ink);font-weight:600;}

.section-head{margin-bottom:22px;}
.section-head h2{font-size:26px;position:relative;padding-left:14px;}
.section-head h2::before{content:"";position:absolute;left:0;top:.28em;width:4px;height:1.05em;background:var(--lime);border-radius:2px;}
.section-head p{margin:10px 0 0;color:var(--muted);font-size:14px;}

/* ---------- 文章头 ---------- */
.article-head{margin-bottom:26px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:13px;font-weight:600;
  border:1px solid rgba(14,59,49,.28);background:rgba(201,242,77,.16);color:var(--ink);
}
.badge--solid{background:var(--lime);border-color:var(--lime);color:var(--ink);}
.badge--soft{background:var(--sub);border-color:var(--line);color:var(--muted);}
.article-head h1{font-size:34px;margin:16px 0 14px;max-width:18em;}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;color:var(--muted);font-size:14px;}
.meta span{display:inline-flex;align-items:center;gap:6px;}
.meta .divider{width:1px;height:14px;background:var(--line);}
.meta b{color:var(--ink-2);font-weight:600;font-variant-numeric:tabular-nums;}
.article-cover{margin:0 0 34px;position:relative;border-radius:var(--r-img);overflow:hidden;background:var(--sub);}
.article-cover img{width:100%;aspect-ratio:21/9;object-fit:cover;border-radius:0;}
.article-cover figcaption{position:absolute;left:0;bottom:0;right:0;padding:26px 20px 12px;font-size:12px;color:var(--inv);background:linear-gradient(to top,rgba(14,59,49,.72),rgba(14,59,49,0));}

/* ---------- 文章布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;}
.article-body{max-width:760px;overflow-wrap:break-word;word-break:break-word;}
.article-body p{font-size:16px;line-height:1.9;margin:0 0 1em;color:#222624;}
.article-body h2{
  font-size:24px;margin:40px 0 16px;position:relative;padding-left:14px;scroll-margin-top:24px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:1em;background:var(--lime);border-radius:2px;}
.article-body h3{font-size:20px;margin:30px 0 12px;}
.article-body h4{font-size:17px;margin:24px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:2px;}
.article-body li{position:relative;padding-left:20px;margin-bottom:9px;line-height:1.75;}
.article-body ul li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;background:var(--lime);border-radius:2px;}
.article-body ol{counter-reset:olc;}
.article-body ol li{counter-increment:olc;}
.article-body ol li::before{
  content:counter(olc);
  position:absolute;left:0;top:.1em;
  font-size:13px;font-weight:700;color:var(--ink-3);font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:22px 0;padding:18px 20px;background:rgba(201,242,77,.12);
  border-left:3px solid var(--ink);border-radius:0 var(--r-card) var(--r-card) 0;color:#254038;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{margin:22px auto;border-radius:var(--r-img);}
.article-body figure{margin:22px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:8px;}
.article-body table{width:100%;display:block;overflow-x:auto;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-body th{background:var(--ink);color:var(--inv);text-align:left;padding:11px 14px;white-space:nowrap;}
.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);}
.article-body tr:nth-child(even) td{background:#FBFBF8;}
.article-body code{background:var(--sub);padding:2px 6px;border-radius:6px;font-size:14px;word-break:break-all;}
.article-body pre{background:var(--ink);color:var(--inv);padding:18px;border-radius:var(--r-card);overflow-x:auto;font-size:14px;}
.article-body pre code{background:none;color:inherit;}
.article-body a{color:var(--ink-2);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--ink-3);text-decoration-color:var(--lime);}
.empty-state{
  border:1.5px dashed #D8D6CE;border-radius:var(--r-card);
  background:var(--card);min-height:220px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  padding:36px 20px;text-align:center;color:var(--muted);font-size:15px;
}
.empty-state svg{color:var(--ink-3);}

/* ---------- 标签与文末 ---------- */
.tags{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 0;padding-top:22px;border-top:1px solid var(--line);}
.tag{display:inline-flex;padding:5px 14px;border-radius:999px;background:var(--sub);color:var(--muted);font-size:13px;text-decoration:none;transition:background-color .18s ease-out,color .18s ease-out;}
.tag:hover{background:rgba(201,242,77,.3);color:var(--ink);}
.back-row{margin:32px 0 0;display:flex;justify-content:center;}

/* ---------- 侧栏 ---------- */
.side{position:sticky;top:24px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh);}
.side-card h3{font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:4px;height:14px;background:var(--lime);border-radius:2px;}
.toc li{margin-bottom:2px;}
.toc a{
  display:block;padding:8px 10px;font-size:14px;color:var(--muted);
  border-left:3px solid transparent;border-radius:0 8px 8px 0;text-decoration:none;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.toc a:hover{background:var(--sub);color:var(--ink);border-left-color:var(--lime);}
.toc a.is-current{color:var(--ink);border-left-color:var(--lime);background:rgba(201,242,77,.14);font-weight:600;}
.mini{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--text);}
.mini:last-child{border-bottom:0;padding-bottom:0;}
.mini:hover{color:var(--ink-3);}
.mini img{width:72px;height:54px;object-fit:cover;border-radius:10px;background:var(--sub);flex:0 0 72px;}
.mini strong{display:block;font-size:14px;font-weight:600;line-height:1.5;margin-bottom:4px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini time{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;}

/* ---------- 相关推荐 ---------- */
.related{margin-top:72px;padding-top:44px;border-top:1px solid var(--line);}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);display:flex;flex-direction:column;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(201,242,77,.55);}
.card a{text-decoration:none;color:inherit;display:flex;flex-direction:column;height:100%;}
.card__media{position:relative;background:var(--sub);}
.card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.card__badge{
  position:absolute;left:12px;top:12px;
  background:rgba(14,59,49,.78);color:var(--inv);
  font-size:13px;padding:3px 11px;border-radius:999px;backdrop-filter:none;
}
.card__body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.card__body h3{font-size:17px;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__body p{font-size:14px;color:var(--muted);line-height:1.75;margin:0 0 14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);}
.card__foot time{font-variant-numeric:tabular-nums;}
.card__arrow{color:var(--ink-2);font-weight:700;transition:transform .18s ease-out;}
.card:hover .card__arrow{transform:translateX(3px);color:var(--ink-3);}

/* ---------- 页脚 ---------- */
.footer{
  background-color:var(--ink);
  background-image:repeating-linear-gradient(115deg,rgba(201,242,77,.045) 0 2px,transparent 2px 22px);
  color:var(--inv);padding:64px 0 0;margin-top:0;
}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer h4{font-size:15px;margin-bottom:16px;color:var(--inv);}
.footer p{font-size:14px;color:rgba(244,247,242,.68);line-height:1.85;margin:14px 0 0;max-width:32em;}
.footer__brand{display:flex;align-items:center;gap:10px;}
.footer__brand .brand__mark{color:var(--lime);}
.footer__brand strong{font-size:16px;}
.footer ul li{margin-bottom:10px;}
.footer ul a{color:rgba(244,247,242,.72);font-size:14px;text-decoration:none;}
.footer ul a:hover{color:var(--lime);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;}
.footer__meta{font-size:14px;color:rgba(244,247,242,.68);line-height:2;}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 24px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(244,247,242,.58);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:100%;}
  .article-head h1{font-size:30px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:32px;}
}
@media (max-width:1023px){
  body{padding-left:0;padding-top:64px;}
  .sidenav{display:none;}
  .topbar{display:flex;}
  .drawer{display:flex;}
  .main{padding:26px 0 56px;}
  .article-layout{grid-template-columns:1fr;gap:32px;}
  .side{position:static;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (min-width:1024px){
  .drawer{display:none;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .article-head h1{font-size:26px;line-height:1.4;}
  .article-cover img{aspect-ratio:16/9;}
  .article-body h2{font-size:21px;margin-top:32px;}
  .article-body h3{font-size:18px;}
  .article-body p{font-size:16px;}
  .grid-3{grid-template-columns:1fr;gap:18px;}
  .footer__grid{grid-template-columns:1fr;gap:30px;}
  .footer{padding-top:48px;}
  .breadcrumb{font-size:12px;}
  .btn{width:100%;}
  .btn--text{width:auto;}
}
@media (max-width:479px){
  .article-head h1{font-size:23px;}
  .meta{font-size:13px;gap:10px;}
  .card__body{padding:16px;}
  .side-card{padding:16px;}
}

/* roulang page: category1 */
:root{
  --ink:#0E3B31;
  --ink-2:#17594A;
  --ink-3:#1F7A63;
  --lime:#C9F24D;
  --orange:#FF6A2B;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --sub:#EEF1EC;
  --line:#E5E3DB;
  --text:#1A1D1B;
  --muted:#5A6360;
  --inv:#F4F7F2;
  --danger:#D14343;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh:0 1px 2px rgba(14,59,49,.06),0 10px 26px rgba(14,59,49,.08);
  --sh-h:0 2px 4px rgba(14,59,49,.08),0 18px 36px rgba(14,59,49,.14);
  --t:180ms ease-out;
  --nav-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.88;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ink-2);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--lime)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.2px}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1em;padding-left:1.25em}
li{margin:.35em 0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:0;background:var(--lime);color:var(--ink);padding:10px 18px;z-index:99}
.skip:focus{left:12px;top:12px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}

/* ============ 左侧竖导航 ============ */
.sidenav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--ink);color:var(--inv);
  display:flex;flex-direction:column;
  padding:26px 0 22px;z-index:60;
}
.sidenav::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:repeating-linear-gradient(135deg,rgba(201,242,77,.9) 0 1px,transparent 1px 16px);
}
.sidenav__brand{
  display:flex;align-items:center;gap:10px;
  padding:0 20px 24px;position:relative;z-index:1;
}
.brand__mark{display:inline-flex;color:var(--lime)}
.sidenav__brand strong{font-size:17px;font-weight:700;color:var(--inv);letter-spacing:.4px;line-height:1.3}
.nav{display:flex;flex-direction:column;gap:2px;position:relative;z-index:1}
.nav a{
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 20px;
  font-size:15px;color:rgba(244,247,242,.86);text-decoration:none;
  border-left:3px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t);
}
.nav a em{font-style:normal;font-size:12px;color:rgba(244,247,242,.42);font-variant-numeric:tabular-nums}
.nav a:hover{background:rgba(201,242,77,.08);color:var(--lime);border-left-color:var(--lime)}
.nav a.is-active{color:var(--lime);border-left-color:var(--lime);background:rgba(201,242,77,.06)}
.nav a.is-active em{color:var(--lime)}
.sidenav__foot{margin-top:auto;padding:22px 20px 0;position:relative;z-index:1;border-top:1px solid rgba(255,255,255,.12)}
.sidenav__foot .btn{width:100%;justify-content:center}
.sidenav__note{margin-top:14px;font-size:12px;color:rgba(244,247,242,.55);line-height:1.7}

/* ============ 移动端顶栏与抽屉 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:70;
  background:#fff;border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 18px;
}
.topbar__brand{display:flex;align-items:center;gap:9px;color:var(--ink);text-decoration:none}
.topbar__brand .brand__mark{color:var(--ink-3)}
.topbar__brand strong{font-size:16px;color:var(--ink)}
.burger{
  width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink);
}
.burger:hover{border-color:rgba(201,242,77,.8)}
.drawer{
  position:fixed;inset:0;background:var(--ink);z-index:90;
  display:flex;flex-direction:column;padding:20px 22px 30px;
  transform:translateX(100%);transition:transform 260ms ease-out;visibility:hidden;
}
.drawer.is-open{transform:translateX(0);visibility:visible}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer__head strong{color:var(--inv);font-size:17px}
.drawer__close{
  width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.22);
  background:transparent;color:var(--inv);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
}
.drawer__close:hover{border-color:var(--lime);color:var(--lime)}
.drawer nav{display:flex;flex-direction:column;margin-top:30px}
.drawer nav a{
  display:flex;align-items:center;gap:14px;
  height:56px;font-size:18px;color:rgba(244,247,242,.9);text-decoration:none;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer nav a em{font-style:normal;font-size:13px;color:rgba(244,247,242,.45);font-variant-numeric:tabular-nums}
.drawer nav a:hover,.drawer nav a.is-active{color:var(--lime)}
.drawer__foot{margin-top:auto;padding-top:24px}
.drawer__foot .btn{width:100%;justify-content:center}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;
  text-decoration:none;cursor:pointer;border:1.5px solid transparent;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn--primary{background:var(--lime);color:var(--ink)}
.btn--primary:hover{background:#BCE63C;color:var(--ink);transform:translateY(-1px);box-shadow:0 8px 22px rgba(201,242,77,.4)}
.btn--primary:active{transform:translateY(0);box-shadow:none}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--ghost:hover{background:rgba(14,59,49,.06);color:var(--ink)}
.btn--light{background:transparent;color:var(--inv);border-color:rgba(244,247,242,.5)}
.btn--light:hover{background:rgba(201,242,77,.12);border-color:var(--lime);color:var(--lime)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--ink);
  text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1.5px;
}
.link-more:hover{color:var(--ink-3);text-decoration-color:var(--lime)}

/* ============ 徽章 / 胶囊 ============ */
.badge{
  display:inline-flex;align-items:center;
  border-radius:999px;padding:4px 12px;font-size:13px;line-height:1.5;font-weight:600;
}
.badge--cat{background:rgba(31,122,99,.1);border:1px solid var(--ink-3);color:var(--ink-2)}
.badge--lime{background:var(--lime);color:var(--ink)}
.badge--orange{background:var(--orange);color:#fff}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--sub);border:1px solid var(--line);border-radius:999px;
  padding:5px 12px;font-size:13px;color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 16px}

/* ============ 主体布局 ============ */
.main{margin-left:var(--nav-w);min-height:100vh}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-head h2{
  font-size:26px;position:relative;padding-left:16px;
  border-top:1px solid var(--line);padding-top:14px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:14px;bottom:2px;width:4px;border-radius:2px;background:var(--lime);
}
.sec-head p{margin:0;font-size:14px;color:var(--muted);max-width:560px}

/* ============ 顶部横幅 ============ */
.banner{
  position:relative;height:220px;display:flex;align-items:center;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.banner::before{content:"";position:absolute;inset:0;background:rgba(14,59,49,.62)}
.banner__inner{position:relative;z-index:1;width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.banner h1{color:#fff;font-size:34px;line-height:1.3;max-width:900px}
.banner p{color:rgba(244,247,242,.88);font-size:14px;margin:12px 0 0}

/* ============ 数据条 ============ */
.stats{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:-38px;position:relative;z-index:2;
}
.stats__item{padding:22px 24px;border-left:1px solid var(--line)}
.stats__item:first-child{border-left:0}
.stats__num{
  font-size:30px;font-weight:700;color:var(--ink);line-height:1.2;
  font-variant-numeric:tabular-nums;letter-spacing:.5px;
}
.stats__num span{font-size:15px;font-weight:600;color:var(--ink-3);margin-left:2px}
.stats__label{font-size:13px;color:var(--muted);margin-top:4px}

/* ============ 导语 ============ */
.intro{max-width:780px}
.intro p{color:#2A322F}
.intro .lead{font-size:17px;color:var(--text);font-weight:600}

/* ============ 图文交替条目 ============ */
.entries{display:flex;flex-direction:column;gap:32px;margin-top:8px}
.entry{
  display:grid;grid-template-columns:minmax(0,440px) 1fr;gap:32px;
  padding-bottom:32px;border-bottom:1px solid var(--line);
  align-items:start;
}
.entry:last-child{border-bottom:0;padding-bottom:0}
.entry__media{
  border-radius:var(--r-img);overflow:hidden;background:var(--sub);
  box-shadow:var(--sh);aspect-ratio:16/9;
}
.entry__media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
.entry:hover .entry__media img{transform:scale(1.03)}
.entry__body h3{font-size:20px;margin:10px 0 10px}
.entry__body p{font-size:15px;color:var(--muted)}
.entry--rev .entry__media{order:2}
.entry__num{
  font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;
  letter-spacing:1px;font-weight:600;
}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--line)}
.faq__item{border-bottom:1px solid var(--line)}
.faq__item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:22px 52px 22px 18px;font-size:16px;font-weight:600;line-height:1.6;
  transition:color var(--t),background var(--t);
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:2px;
  background:transparent;border-radius:2px;transition:background var(--t);
}
.faq__item summary::after{
  content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--ink-3);line-height:1;transition:transform var(--t),color var(--t);
}
.faq__item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg);color:var(--ink)}
.faq__item summary:hover{color:var(--ink);background:rgba(14,59,49,.03)}
.faq__item summary:hover::before{background:var(--lime)}
.faq__answer{padding:0 52px 24px 18px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--ink);border-radius:var(--r-card);position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:34px 40px;min-height:148px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.05;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(201,242,77,.9) 0 1px,transparent 1px 18px);
}
.cta-band__text{position:relative;z-index:1}
.cta-band h2{color:#fff;font-size:24px}
.cta-band p{color:rgba(244,247,242,.82);font-size:14px;margin:8px 0 0}
.cta-band .btn{position:relative;z-index:1;flex-shrink:0}

/* ============ 页脚 ============ */
.footer{background:var(--ink);color:var(--inv);padding:64px 0 0;position:relative}
.footer::before{
  content:"";position:absolute;inset:0;opacity:.04;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(201,242,77,.9) 0 1px,transparent 1px 20px);
}
.footer .container{position:relative;z-index:1}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer__brand strong{color:#fff;font-size:17px}
.footer p{font-size:14px;line-height:1.85;color:rgba(244,247,242,.72);margin:0}
.footer h4{font-size:15px;color:#fff;margin-bottom:14px}
.footer ul{list-style:none;padding:0;margin:0}
.footer ul li{margin:0 0 10px}
.footer ul a{
  font-size:14px;color:rgba(244,247,242,.75);text-decoration:none;
  border-bottom:2px solid transparent;transition:color var(--t),border-color var(--t);
}
.footer ul a:hover{color:var(--lime);border-bottom-color:var(--lime)}
.footer__meta{font-size:14px;line-height:2;color:rgba(244,247,242,.72)}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 26px;font-size:12px;color:rgba(244,247,242,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 26px}
  .banner__inner{padding:0 26px}
  .banner h1{font-size:30px}
}
@media (max-width:1023px){
  .sidenav{display:none}
  .topbar{display:flex}
  .main{margin-left:0;padding-top:64px}
  .section{padding:64px 0}
  .section--tight{padding:52px 0}
  .stats{grid-template-columns:repeat(2,1fr);margin-top:-30px}
  .stats__item:nth-child(3){border-left:0;border-top:1px solid var(--line)}
  .stats__item:nth-child(4){border-top:1px solid var(--line)}
  .entry{grid-template-columns:1fr;gap:20px}
  .entry--rev .entry__media{order:0}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .banner{height:160px}
  .banner__inner{padding:0 18px}
  .banner h1{font-size:24px}
  .banner p{font-size:13px;margin-top:8px}
  .section{padding:52px 0}
  .sec-head h2{font-size:22px}
  .stats{grid-template-columns:1fr 1fr}
  .stats__item{padding:16px 18px}
  .stats__num{font-size:24px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 22px;gap:20px}
  .cta-band h2{font-size:20px}
  .cta-band .btn{width:100%;justify-content:center}
  .entry__body h3{font-size:18px}
  .faq__item summary{padding:18px 44px 18px 14px;font-size:15px}
  .faq__answer{padding:0 44px 20px 14px;font-size:14px}
  .footer{padding-top:48px}
  .footer__grid{grid-template-columns:1fr;gap:32px;padding-bottom:32px}
}
@media (max-width:519px){
  .banner h1{font-size:21px}
  .stats{grid-template-columns:1fr;margin-top:0}
  .stats__item{border-left:0;border-top:1px solid var(--line)}
  .stats__item:first-child{border-top:0}
  .btn{padding:13px 20px;font-size:14px}
}

/* roulang page: category2 */
:root{
  --brand:#0E3B31;
  --brand-2:#17594A;
  --brand-3:#1F7A63;
  --lime:#C9F24D;
  --orange:#FF6A2B;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --subtle:#EEF1EC;
  --line:#E5E3DB;
  --text:#1A1D1B;
  --muted:#5A6360;
  --inv:#F4F7F2;
  --danger:#D14343;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow:0 1px 2px rgba(14,59,49,.06),0 10px 26px rgba(14,59,49,.08);
  --shadow-hover:0 2px 4px rgba(14,59,49,.10),0 16px 34px rgba(14,59,49,.14);
  --nav-w:240px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;}
a:hover{color:var(--brand-3);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.2px;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
strong{font-weight:700;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ============ 左侧竖导航 ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--brand);
  color:var(--inv);
  display:flex;flex-direction:column;
  padding:26px 0 20px;
  z-index:60;
  overflow-y:auto;
}
.brand{
  display:flex;align-items:center;gap:10px;
  padding:0 20px 0 20px;
  color:var(--inv);
  font-size:17px;font-weight:700;letter-spacing:.3px;
  line-height:1.3;
}
.brand:hover{color:var(--lime);}
.brand__mark{
  flex:0 0 auto;width:34px;height:34px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(201,242,77,.12);
  color:var(--lime);
}
.brand--dark{color:var(--brand);}
.brand--dark:hover{color:var(--brand-3);}
.brand--dark .brand__mark{background:rgba(14,59,49,.08);color:var(--brand-2);}

.nav{display:flex;flex-direction:column;margin-top:34px;}
.nav a{
  position:relative;
  display:flex;align-items:center;gap:10px;
  height:44px;padding-left:20px;
  font-size:15px;color:rgba(244,247,242,.82);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.nav a em{
  font-style:normal;font-size:12px;font-weight:600;
  color:rgba(244,247,242,.45);
  font-variant-numeric:tabular-nums;
}
.nav a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:3px;height:24px;background:var(--lime);border-radius:0 3px 3px 0;
  transition:transform .18s var(--ease);
}
.nav a:hover{background:rgba(201,242,77,.08);color:var(--lime);}
.nav a:hover::before{transform:translateY(-50%) scaleY(1);}
.nav a.is-active{background:rgba(201,242,77,.10);color:var(--lime);}
.nav a.is-active em{color:var(--lime);}
.nav a.is-active::before{transform:translateY(-50%) scaleY(1);}

.sidebar__foot{margin-top:auto;padding:22px 20px 0;border-top:1px solid rgba(255,255,255,.12);}
.sidebar__note{margin:12px 0 0;font-size:12px;line-height:1.7;color:rgba(244,247,242,.6);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;text-align:center;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn--primary{background:var(--lime);color:var(--brand);box-shadow:0 6px 18px rgba(201,242,77,.28);}
.btn--primary:hover{background:#bfe63d;color:var(--brand);transform:translateY(-1px);box-shadow:0 10px 26px rgba(201,242,77,.42);}
.btn--primary:active{transform:translateY(0);box-shadow:0 3px 10px rgba(201,242,77,.3);}
.btn--ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn--ghost:hover{background:rgba(14,59,49,.06);color:var(--brand);}
.btn--light{background:#fff;color:var(--brand);}
.btn--light:hover{background:#fff;color:var(--brand-2);transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn--block{display:flex;width:100%;}
.btn--sm{padding:10px 20px;font-size:14px;}
.btn--link{
  display:inline-flex;align-items:center;gap:6px;padding:0;
  background:none;border:0;color:var(--brand);font-weight:700;font-size:14px;
  border-bottom:1px solid rgba(14,59,49,.45);border-radius:0;cursor:pointer;
}
.btn--link:hover{color:var(--brand-3);border-bottom-color:var(--lime);}
.btn--link svg{transition:transform .18s var(--ease);}
.btn--link:hover svg{transform:translateX(3px);}

/* ============ 移动端导航 ============ */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:64px;z-index:70;
  align-items:center;justify-content:space-between;
  padding:0 16px;background:#fff;border-bottom:1px solid var(--line);
}
.burger{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);border-radius:10px;cursor:pointer;
}
.burger span{display:block;width:18px;height:2px;background:var(--brand);position:relative;}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand);
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

.drawer{
  position:fixed;inset:0;z-index:90;background:var(--brand);color:var(--inv);
  padding:20px 24px 32px;display:none;flex-direction:column;overflow-y:auto;
}
.drawer.is-open{display:flex;}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer__close{
  width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.22);
  background:transparent;color:var(--inv);font-size:22px;line-height:1;cursor:pointer;
}
.drawer__close:hover{background:rgba(201,242,77,.12);color:var(--lime);}
.drawer__nav{display:flex;flex-direction:column;margin-bottom:28px;}
.drawer__nav a{
  display:flex;align-items:center;gap:12px;height:56px;font-size:18px;
  color:rgba(244,247,242,.86);border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer__nav a em{font-style:normal;font-size:13px;color:rgba(244,247,242,.45);font-variant-numeric:tabular-nums;}
.drawer__nav a:hover,.drawer__nav a.is-active{color:var(--lime);}

/* ============ 主内容区 ============ */
.main{margin-left:var(--nav-w);min-height:100vh;}

/* 横幅 */
.banner{
  position:relative;
  min-height:220px;
  background-color:var(--brand);
  background-size:cover;background-position:center;
  display:flex;align-items:flex-end;
  overflow:hidden;
}
.banner::after{
  content:"";position:absolute;inset:0;
  background:rgba(14,59,49,.62);
}
.banner__inner{position:relative;z-index:2;padding-top:48px;padding-bottom:36px;color:var(--inv);}
.crumb{margin-bottom:18px;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;}
.crumb li{color:rgba(244,247,242,.7);display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:rgba(244,247,242,.45);}
.crumb a{color:rgba(244,247,242,.88);border-bottom:1px solid rgba(244,247,242,.35);}
.crumb a:hover{color:var(--lime);border-bottom-color:var(--lime);}
.crumb li[aria-current] span{color:#fff;font-weight:600;}
.banner__eyebrow{
  display:inline-block;margin:0 0 12px;padding:5px 12px;border-radius:999px;
  background:rgba(201,242,77,.16);color:var(--lime);
  font-size:13px;font-weight:600;letter-spacing:.4px;
}
.banner h1{
  font-size:38px;color:#fff;max-width:880px;margin-bottom:12px;
}
.banner__lead{margin:0;font-size:14px;color:rgba(244,247,242,.85);line-height:1.8;max-width:760px;}

/* 通用板块 */
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--paper{background:var(--bg);}
.section--white{background:#fff;}
.section__head{max-width:760px;margin-bottom:40px;}
.section__kicker{
  display:block;font-size:13px;font-weight:600;color:var(--brand-3);
  letter-spacing:1.5px;text-transform:uppercase;margin-bottom:8px;
}
.section__head h2{
  font-size:26px;position:relative;padding-left:16px;margin-bottom:14px;
}
.section__head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--lime);
}
.section__head p{color:var(--muted);font-size:16px;margin:0;max-width:720px;}

/* 数据条 */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);overflow:hidden;
}
.stats__item{padding:24px;border-left:1px solid var(--line);}
.stats__item:first-child{border-left:0;}
.stats__item b{
  display:block;font-size:30px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stats__item b i{font-style:normal;font-size:13px;color:var(--brand-3);margin-left:4px;font-weight:600;}
.stats__item span{display:block;margin-top:8px;font-size:13px;color:var(--muted);}

/* 导语 */
.intro__grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start;}
.prose p{font-size:16px;line-height:1.9;color:#2A2F2C;}
.prose p:last-child{margin-bottom:0;}
.intro__side{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow);
}
.intro__side h3{font-size:17px;margin-bottom:14px;padding-left:12px;position:relative;}
.intro__side h3::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;border-radius:2px;background:var(--lime);}
.intro__side ul li{
  position:relative;padding-left:24px;font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:10px;
}
.intro__side ul li:last-child{margin-bottom:0;}
.intro__side ul li::before{
  content:"";position:absolute;left:6px;top:11px;width:6px;height:6px;border-radius:2px;background:var(--brand-3);
}

/* 双列对照列表 */
.crow-list{border-top:1px solid var(--line);}
.crow{
  display:grid;grid-template-columns:96px 1fr auto;gap:24px;align-items:center;
  min-height:72px;padding:18px 16px;
  border-bottom:1px solid var(--line);
  background:transparent;
  transition:background .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.crow:hover{background:var(--subtle);transform:translateX(-2px);box-shadow:inset 3px 0 0 var(--lime);}
.crow__code{
  display:flex;align-items:baseline;gap:8px;
  font-variant-numeric:tabular-nums;
}
.crow__code b{font-size:24px;font-weight:700;color:var(--brand);line-height:1;}
.crow__code em{font-style:normal;font-size:13px;color:var(--brand-3);font-weight:600;}
.crow__body h3{font-size:17px;margin-bottom:6px;}
.crow__body p{margin:0;font-size:14px;color:var(--muted);line-height:1.8;max-width:760px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.crow__tag{
  flex:0 0 auto;padding:5px 12px;border-radius:999px;font-size:13px;font-weight:600;
  border:1px solid rgba(14,59,49,.25);background:rgba(31,122,99,.08);color:var(--brand-2);white-space:nowrap;
}
.crow__tag.is-lime{background:var(--lime);border-color:var(--lime);color:var(--brand);}
.crow__tag.is-orange{background:var(--orange);border-color:var(--orange);color:#fff;}
.crow__tag.is-muted{background:var(--subtle);border-color:var(--line);color:var(--muted);}

/* 材料准备图文 */
.prep{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.prep__media{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/3;}
.prep__media img{width:100%;height:100%;object-fit:cover;border-radius:var(--r-img);}
.prep__body h2{font-size:26px;position:relative;padding-left:16px;margin-bottom:16px;}
.prep__body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--lime);}
.check{display:flex;flex-direction:column;gap:14px;margin-top:24px;}
.check li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:#2A2F2C;line-height:1.8;}
.check li svg{flex:0 0 auto;margin-top:4px;}
.check li strong{display:block;font-size:15px;}
.check li span{color:var(--muted);font-size:14px;}

/* 双列对照卡 */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.duo__col{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.duo__col:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(201,242,77,.55);}
.duo__col--accent{border-top:4px solid var(--lime);}
.duo__col h3{font-size:20px;margin-bottom:6px;}
.duo__col .duo__note{font-size:14px;color:var(--muted);margin:0 0 18px;}
.duo__col ul li{
  display:flex;gap:10px;font-size:14px;color:#2A2F2C;line-height:1.75;padding:10px 0;border-top:1px solid var(--line);
}
.duo__col ul li:first-child{border-top:0;padding-top:0;}
.duo__col ul li b{color:var(--brand);font-variant-numeric:tabular-nums;flex:0 0 auto;}

/* FAQ */
.faq{border-top:1px solid var(--line);}
.faq details{border-bottom:1px solid var(--line);}
.faq summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 44px 20px 16px;font-size:16px;font-weight:600;line-height:1.6;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:2px;border-radius:2px;
  background:var(--lime);transform:scaleY(0);transition:transform .18s var(--ease);
}
.faq summary::after{
  content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--brand-3);transition:transform .18s var(--ease),color .18s var(--ease);
}
.faq summary:hover{background:var(--subtle);color:var(--brand);}
.faq summary:hover::before{transform:scaleY(1);}
.faq details[open] summary::after{content:"−";color:var(--brand);}
.faq__answer{padding:0 44px 22px 16px;font-size:15px;line-height:1.8;color:var(--muted);}

/* CTA 条 */
.cta-strip{
  background:var(--brand);color:var(--inv);position:relative;overflow:hidden;
}
.cta-strip::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(201,242,77,.06) 0 2px,transparent 2px 16px);
}
.cta-strip__inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding-top:36px;padding-bottom:36px;min-height:150px;
}
.cta-strip h2{font-size:26px;color:#fff;margin-bottom:8px;}
.cta-strip p{margin:0;font-size:14px;color:rgba(244,247,242,.82);max-width:640px;}

/* 页脚 */
.footer{background:var(--brand);color:var(--inv);padding:64px 0 0;margin-top:0;}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer__brand strong{font-size:17px;color:#fff;}
.footer p{font-size:14px;line-height:1.85;color:rgba(244,247,242,.72);margin:0;}
.footer h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer ul li{margin-bottom:10px;}
.footer ul a{
  font-size:14px;color:rgba(244,247,242,.78);position:relative;
  transition:color .18s var(--ease);
}
.footer ul a::after{
  content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;background:var(--lime);
  transition:width .18s var(--ease);
}
.footer ul a:hover{color:var(--lime);}
.footer ul a:hover::after{width:100%;}
.footer__meta{font-size:14px;line-height:1.9;color:rgba(244,247,242,.72);}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(244,247,242,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .banner h1{font-size:34px;}
  .section{padding:80px 0;}
}
@media (max-width:1023px){
  .sidebar{display:none;}
  .topbar{display:flex;}
  .main{margin-left:0;padding-top:64px;}
  .banner{min-height:180px;}
  .banner__inner{padding-top:36px;padding-bottom:28px;}
  .banner h1{font-size:30px;}
  .section{padding:64px 0;}
  .section--tight{padding:52px 0;}
  .intro__grid{grid-template-columns:1fr;gap:32px;}
  .prep{grid-template-columns:1fr;gap:32px;}
  .prep__media{order:-1;aspect-ratio:16/9;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .stats__item:nth-child(3){border-left:0;}
  .stats__item:nth-child(n+3){border-top:1px solid var(--line);}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .banner{min-height:160px;}
  .banner h1{font-size:28px;}
  .banner__lead{font-size:13px;}
  .section{padding:52px 0;}
  .section__head h2,.prep__body h2,.cta-strip h2{font-size:22px;}
  .crow{grid-template-columns:1fr;gap:10px;padding:18px 12px;}
  .crow__code{justify-content:flex-start;}
  .crow__code b{font-size:20px;}
  .crow__tag{justify-self:start;}
  .duo{grid-template-columns:1fr;}
  .cta-strip__inner{flex-direction:column;align-items:flex-start;gap:20px;padding-top:32px;padding-bottom:32px;}
  .cta-strip__inner .btn{width:100%;}
  .footer{padding-top:48px;}
  .footer__grid{grid-template-columns:1fr;gap:32px;}
  .footer__bottom{flex-direction:column;gap:8px;}
}
@media (max-width:479px){
  .container{padding:0 18px;}
  .banner h1{font-size:24px;}
  .stats__item{padding:18px;}
  .stats__item b{font-size:24px;}
  .btn{padding:13px 20px;font-size:14px;}
  .faq summary{padding:18px 40px 18px 12px;font-size:15px;}
  .faq__answer{padding:0 40px 20px 12px;}
}