/* roulang page: index */
:root{
  --brand-900:#0B3B31;
  --brand-700:#12594A;
  --brand-500:#1B7F66;
  --brand-300:#6FBFA8;
  --orange:#FF6B35;
  --orange-2:#FF8A50;
  --lime:#C8F169;
  --bg:#FAF8F4;
  --card:#FFFFFF;
  --surface:#F3EFE8;
  --line:#E8E3DA;
  --ink:#101C19;
  --ink-2:#58675F;
  --ink-3:#8B978F;
  --r-xl:28px;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:14px;
  --pill:999px;
  --sh:0 8px 24px rgba(11,59,49,.06);
  --sh-h:0 18px 40px rgba(11,59,49,.14);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
button{font-family:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sec) 0}
.section.tight{padding:64px 0}
.num{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,248,244,.86);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.logo{font-size:19px;font-weight:800;letter-spacing:.2px;white-space:nowrap}
.logo .kw{color:var(--brand-500)}
.logo .rest{color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 10px;border-radius:var(--pill);
}
.nav-links a:hover{background:rgba(27,127,102,.08);color:var(--brand-700)}
.nav-links a.active{color:var(--brand-700);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:10px;right:10px;bottom:-1px;height:2px;
  background:var(--brand-500);border-radius:2px;
}
.nav-links a.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--orange);
}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;
  background:linear-gradient(90deg,var(--orange) 0%,var(--orange-2) 100%);
  background-size:180% 100%;background-position:0% 50%;
  color:#fff;font-size:14.5px;font-weight:600;
  padding:11px 22px;border-radius:var(--pill);
  transition:background-position .22s ease,transform .18s ease,box-shadow .18s ease;
  box-shadow:0 6px 16px rgba(255,107,53,.22);
}
.nav-cta:hover{background-position:4% 50%;transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,107,53,.3)}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.drawer{
  display:none;position:fixed;inset:60px 0 0 0;background:var(--bg);z-index:59;
  padding:20px 24px 96px;overflow-y:auto;border-top:1px solid var(--line);
}
.drawer.open{display:block}
.drawer a{display:block;font-size:18px;font-weight:500;padding:18px 4px;border-bottom:1px solid var(--line);color:var(--ink)}
.drawer a.active{color:var(--brand-500)}
.drawer .drawer-cta{margin-top:28px;display:block;text-align:center;background:linear-gradient(90deg,var(--orange),var(--orange-2));color:#fff;border-radius:var(--pill);padding:15px;font-weight:600;border:0}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#0B3B31 0%,#12594A 55%,#1B7F66 100%);
  border-radius:0 0 var(--r-xl) var(--r-xl);
  padding:84px 0 92px;
  color:#fff;
}
.hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:460px;height:460px;
  border-radius:50%;background:rgba(255,107,53,.18);filter:blur(10px);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(200,241,105,.45);border-radius:var(--pill);
  padding:6px 16px;font-size:13.5px;color:var(--lime);letter-spacing:.4px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block}
.hero h1{
  font-size:clamp(32px,5.2vw,58px);line-height:1.15;font-weight:800;
  margin:24px 0 20px;letter-spacing:-.5px;
}
.hero-sub{font-size:19px;line-height:1.75;color:rgba(255,255,255,.82);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15.5px;font-weight:600;padding:15px 30px;border-radius:var(--pill);
  transition:transform .18s ease,box-shadow .18s ease,background-position .22s ease,background-color .18s ease;
}
.btn-primary{
  background:linear-gradient(90deg,var(--orange) 0%,var(--orange-2) 100%);
  background-size:180% 100%;background-position:0% 50%;color:#fff;
  box-shadow:0 10px 24px rgba(255,107,53,.26);
}
.btn-primary:hover{background-position:4% 50%;transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,107,53,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-soft{
  background:#fff;color:var(--brand-700);border:1px solid var(--line);
}
.btn-soft:hover{border-color:var(--brand-300);transform:translateY(-2px);box-shadow:var(--sh)}
.btn-soft:active{transform:translateY(0)}
.hero-flag{margin-top:30px;display:flex;flex-wrap:wrap;gap:10px}
.hero-flag span{
  font-size:13px;color:rgba(255,255,255,.78);
  border:1px solid rgba(255,255,255,.24);border-radius:var(--pill);padding:6px 14px;
}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid rgba(255,255,255,.18);
  background:linear-gradient(135deg,#0B3B31,#1B7F66);
}
.hero-stat{
  position:absolute;left:-18px;bottom:-22px;
  background:rgba(11,59,49,.94);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-md);
  padding:16px 22px;
  box-shadow:0 18px 40px rgba(0,0,0,.28);
}
.hero-stat b{display:block;font-size:32px;line-height:1.1;color:var(--lime);font-weight:800}
.hero-stat small{display:block;font-size:13px;color:rgba(255,255,255,.72);margin-top:4px}

/* ---------- 数据徽章条 ---------- */
.badge-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.badge-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 22px;box-shadow:var(--sh);
}
.badge-card b{display:block;font-size:34px;font-weight:800;color:var(--brand-700);line-height:1.1}
.badge-card b em{font-style:normal;font-size:15px;font-weight:600;color:var(--ink-3);margin-left:4px}
.badge-card p{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.7}

/* ---------- 板块头 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand-500);
  letter-spacing:1px;margin-bottom:10px;
}
.sec-head h2{font-size:clamp(24px,3vw,36px);line-height:1.3;font-weight:700;letter-spacing:-.3px}
.sec-desc{margin-top:12px;font-size:16px;color:var(--ink-2);max-width:640px}
.text-link{color:var(--brand-700);font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.text-link:hover{color:var(--orange)}
.text-link:hover .arrow{transform:translateX(3px)}
.arrow{transition:transform .18s ease}

/* ---------- Bento 网格 ---------- */
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(250px,auto);gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;display:flex;flex-direction:column;gap:14px;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease;
  box-shadow:var(--sh);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:var(--brand-300)}
.card .cover{position:relative;border-radius:var(--r-md);overflow:hidden;aspect-ratio:4/3;background:linear-gradient(135deg,#0B3B31,#1B7F66)}
.card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease-out}
.card:hover .cover img{transform:scale(1.03)}
.corner{
  position:absolute;right:10px;bottom:10px;background:var(--orange);color:#fff;
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--pill);
}
.tag{
  align-self:flex-start;font-size:12.5px;font-weight:600;color:var(--brand-700);
  background:rgba(27,127,102,.1);border-radius:var(--pill);padding:4px 12px;
}
.card h3{font-size:17.5px;font-weight:700;line-height:1.5}
.card p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px}
.mini-num{font-size:13px;color:var(--ink-3)}
.mini-num b{font-size:17px;color:var(--brand-700);font-weight:800}
.bento-main{
  grid-column:span 2;grid-row:span 2;
  background:linear-gradient(135deg,#0B3B31 0%,#12594A 60%,#1B7F66 100%);
  border-color:transparent;color:#fff;padding:32px;
}
.bento-main h3{color:#fff;font-size:24px}
.bento-main p{color:rgba(255,255,255,.8);font-size:15.5px}
.bento-main .tag{background:rgba(200,241,105,.16);color:var(--lime)}
.bento-main .cover{aspect-ratio:16/9;border:1px solid rgba(255,255,255,.16)}
.bento-main .mini-num{color:rgba(255,255,255,.7)}
.bento-main .mini-num b{color:var(--lime)}
.bento-main .text-link{color:var(--lime)}
.bento-main .text-link:hover{color:#fff}
.bento-main ul{margin-top:6px;display:grid;gap:10px}
.bento-main li{position:relative;padding-left:18px;font-size:14.5px;color:rgba(255,255,255,.82)}
.bento-main li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--lime)}

/* ---------- 评价轮播 ---------- */
.review-wrap{position:relative}
.review-track{
  display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 48px)/3);gap:24px;
  overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:14px;
  scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none}
.review-card{
  scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:20px;padding:26px;box-shadow:var(--sh);display:flex;flex-direction:column;gap:16px;
}
.stars{color:var(--orange);font-size:15px;letter-spacing:2px}
.review-card p{font-size:15px;color:var(--ink-2);line-height:1.85}
.review-user{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:6px}
.avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--brand-500),var(--brand-300));flex:0 0 38px}
.review-user b{display:block;font-size:14.5px}
.review-user small{display:block;font-size:13px;color:var(--ink-3)}
.review-nav{display:flex;align-items:center;gap:12px;justify-content:flex-end;margin-top:18px}
.review-nav button{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--ink-2);font-size:16px;transition:all .18s ease;
}
.review-nav button:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-2px)}
.review-bar{flex:1;max-width:160px;height:3px;border-radius:2px;background:var(--line);overflow:hidden}
.review-bar i{display:block;width:40%;height:100%;background:var(--brand-500);border-radius:2px}

/* ---------- 保障条 ---------- */
.guard{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:44px 0}
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.guard-item{display:flex;gap:14px;align-items:flex-start}
.guard-item svg{flex:0 0 24px;stroke:var(--brand-500);fill:none;stroke-width:1.6}
.guard-item b{display:block;font-size:15.5px;margin-bottom:4px}
.guard-item small{display:block;font-size:13.5px;color:var(--ink-2);line-height:1.7}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#0B3B31 0%,#12594A 55%,#1B7F66 100%);
  border-radius:var(--r-xl);padding:56px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-block::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:rgba(255,107,53,.22);filter:blur(6px);
}
.cta-block h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;position:relative;z-index:2}
.cta-block p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.8);max-width:560px;position:relative;z-index:2}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}
.cta-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;position:relative;z-index:2}
.cta-chips span{font-size:13px;border:1px solid rgba(255,255,255,.3);border-radius:var(--pill);padding:6px 14px;color:rgba(255,255,255,.85)}

/* ---------- 最新资讯 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;display:flex;flex-direction:column;gap:12px;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:var(--brand-300)}
.news-card h3{font-size:17px;font-weight:700;line-height:1.55}
.news-card h3 a:hover{color:var(--brand-500)}
.news-sum{font-size:14.5px;color:var(--ink-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:8px;border-top:1px solid var(--line)}
.news-meta time{font-size:13px;color:var(--ink-3)}
.empty-state{
  grid-column:1 / -1;text-align:center;padding:56px 24px;border:1px dashed var(--line);
  border-radius:var(--r-md);background:#fff;
}
.empty-state .ph{
  width:72px;height:72px;margin:0 auto 18px;border-radius:18px;
  border:1.5px solid var(--brand-300);background:rgba(27,127,102,.06);
}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:18px}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 4px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
}
.faq-q:hover{color:var(--brand-700)}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand-500);border-radius:2px;transition:transform .24s ease;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.open .faq-icon::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{padding:0 4px 24px;font-size:15.5px;color:var(--ink-2);line-height:1.9;max-width:880px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#fff;margin-top:0;padding:64px 0 28px;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px}
.footer-logo{font-size:19px;font-weight:800;color:#fff}
.footer-logo .kw{color:var(--brand-300)}
.footer-about{margin-top:14px;font-size:14px;color:rgba(255,255,255,.66);line-height:1.9;max-width:320px}
.footer-col b{display:block;font-size:14.5px;font-weight:700;margin-bottom:16px;color:#fff}
.footer-col a{display:block;font-size:14px;line-height:2.2;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:var(--lime);text-decoration:underline}
.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:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec:72px}
  .container{padding:0 28px}
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-inner{height:60px}
  .drawer{inset:60px 0 0 0}
  .hero{padding:64px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{order:2}
  .hero-stat{left:16px;bottom:-18px}
  .badge-strip{grid-template-columns:repeat(2,1fr)}
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento-main{grid-column:span 2;grid-row:auto}
  .review-track{grid-auto-columns:minmax(280px,78%)}
  .guard-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cta-block{flex-direction:column;align-items:flex-start;padding:44px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  :root{--sec:56px}
  .container{padding:0 20px}
  body{font-size:16px}
  .hero{padding:52px 0 60px;border-radius:0 0 22px 22px}
  .hero-sub{font-size:17px}
  .hero-actions{width:100%}
  .hero-actions .btn{width:100%}
  .hero-stat{position:static;margin-top:16px;display:inline-block}
  .badge-strip{grid-template-columns:repeat(2,1fr);gap:16px}
  .badge-card{padding:18px}
  .badge-card b{font-size:26px}
  .bento{grid-template-columns:1fr;gap:16px}
  .bento-main{grid-column:span 1;padding:24px}
  .bento-main h3{font-size:20px}
  .sec-head{flex-direction:column;align-items:flex-start}
  .guard-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .news-grid{grid-template-columns:1fr}
  .cta-block{padding:32px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .faq-q{font-size:16px;padding:20px 2px}
}

/* roulang page: article */
:root{
  --brand-900:#0B3B31;
  --brand-700:#12594A;
  --brand-500:#1B7F66;
  --brand-300:#6FBFA8;
  --orange:#FF6B35;
  --orange-l:#FF8A50;
  --lime:#C8F169;
  --bg:#FAF8F4;
  --card:#FFFFFF;
  --surface:#F3EFE8;
  --line:#E8E3DA;
  --ink:#101C19;
  --ink-2:#58675F;
  --ink-3:#8B978F;
  --r-xl:28px;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:14px;
  --sh-1:0 8px 24px rgba(11,59,49,.06);
  --sh-2:0 18px 40px rgba(11,59,49,.14);
  --sp-section:96px;
  --font: -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  font-size:16.5px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:inherit;text-decoration:none;transition:color .18s ease, background-color .18s ease, opacity .18s ease;}
a:hover{color:var(--brand-500);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0 0 1.2em;padding-left:0;list-style:none;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:6px;}
.num{font-feature-settings:"tnum";font-variant-numeric:tabular-nums;}

.container{max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,248,244,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.brand{font-size:19px;font-weight:800;letter-spacing:-.02em;white-space:nowrap;}
.brand .kw{color:var(--brand-500);}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  padding:6px 2px;
}
.nav-links a::after{
  content:"";
  position:absolute;left:0;right:100%;bottom:-2px;height:2px;
  background:var(--brand-500);
  border-radius:999px;
  transition:right .2s ease;
}
.nav-links a:hover{color:var(--brand-700);background:rgba(27,127,102,.07);border-radius:999px;}
.nav-links a.active{color:var(--brand-700);}
.nav-links a.active::after{right:0;}
.nav-links a.active::before{
  content:"";position:absolute;left:-10px;top:50%;transform:translateY(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--orange);
}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:999px;
  background:linear-gradient(120deg,var(--orange) 0%,var(--orange-l) 100%);
  background-size:180% 100%;background-position:0 0;
  color:#fff;font-size:14.5px;font-weight:500;
  transition:transform .18s ease, box-shadow .18s ease, background-position .22s ease;
  box-shadow:0 6px 18px rgba(255,107,53,.24);
}
.nav-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,107,53,.3);background-position:4% 0;}
.nav-cta:active{transform:translateY(0) scale(.98);}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;background:var(--card);}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.drawer{
  display:none;position:fixed;inset:60px 0 0 0;z-index:55;
  background:var(--bg);padding:20px 20px 32px;overflow-y:auto;
}
.drawer.open{display:block;}
.drawer a{display:block;font-size:18px;padding:16px 4px;border-bottom:1px solid var(--line);color:var(--ink);}
.drawer a.active{color:var(--brand-500);font-weight:600;}
.drawer .drawer-cta{margin-top:24px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:500;
  transition:transform .18s ease, box-shadow .18s ease, background-position .22s ease, border-color .18s ease, color .18s ease;
}
.btn-primary{
  background:linear-gradient(120deg,#FF6B35 0%,#FF8A50 100%);
  background-size:180% 100%;background-position:0 0;color:#fff;
  box-shadow:0 8px 22px rgba(255,107,53,.24);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);background-position:4% 0;box-shadow:0 14px 30px rgba(255,107,53,.3);}
.btn-primary:active{transform:translateY(0) scale(.985);}
.btn-ghost{border:1px solid var(--line);background:var(--card);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand-300);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-light{border:1px solid rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.06);}
.btn-light:hover{color:#fff;border-color:rgba(255,255,255,.7);transform:translateY(-2px);}
.arrow{font-size:14px;transform:translateY(-1px);}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 0;}
.crumb{font-size:14px;color:var(--ink-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand-500);}
.crumb .sep{color:var(--line);}
.crumb .cur{color:var(--ink-2);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头区 ---------- */
.article-hero{
  margin-top:26px;border-radius:var(--r-xl);
  background:linear-gradient(135deg,#0B3B31 0%,#12594A 55%,#1B7F66 100%);
  color:#fff;padding:52px 48px;position:relative;overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,53,.28) 0%,rgba(255,107,53,0) 70%);
}
.article-hero .tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);color:#fff;
}
.article-hero h1{
  font-size:clamp(26px,3.6vw,42px);line-height:1.25;
  margin:18px 0 16px;max-width:22ch;position:relative;z-index:1;
}
.article-hero .lede{font-size:17px;color:rgba(255,255,255,.82);max-width:60ch;position:relative;z-index:1;}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:26px;font-size:14px;color:rgba(255,255,255,.78);position:relative;z-index:1;
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--lime);}
.meta-row .chip{
  padding:5px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.22);
  color:var(--lime);font-size:13px;font-weight:600;
}

/* ---------- 布局 ---------- */
.layout{
  display:grid;grid-template-columns:minmax(0,1fr) 268px;gap:48px;
  padding:64px 0 var(--sp-section);align-items:start;
}
.reading{min-width:0;}
.article-body{max-width:760px;font-size:16.5px;line-height:1.95;color:var(--ink);}
.article-body h2{
  font-size:clamp(21px,2.3vw,27px);margin:40px 0 16px;line-height:1.35;color:var(--brand-900);
}
.article-body h3{font-size:19px;margin:30px 0 12px;color:var(--brand-700);}
.article-body p{margin:0 0 1.2em;}
.article-body ul,.article-body ol{padding-left:24px;margin:0 0 1.2em;list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.6em;}
.article-body blockquote{
  margin:28px 0;padding:18px 24px;border-left:4px solid var(--brand-500);
  background:var(--surface);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--ink-2);
}
.article-body img{margin:26px 0 10px;border-radius:var(--r-md);width:100%;}
.article-body a{color:var(--brand-500);border-bottom:1px solid var(--brand-300);}
.article-body a:hover{color:var(--brand-700);}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;}
.article-body th{background:var(--brand-700);color:#fff;}
.article-body code{background:var(--surface);padding:2px 6px;border-radius:6px;font-size:14px;}
.caption{font-size:13px;color:var(--ink-3);text-align:center;margin:-4px 0 24px;}

/* 侧栏目录 */
.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 22px 18px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:15px;color:var(--brand-900);margin-bottom:12px;letter-spacing:0;}
.side-card ol{margin:0;padding-left:20px;list-style:decimal;font-size:14.5px;color:var(--ink-2);}
.side-card li{margin-bottom:8px;}
.side-card li a:hover{color:var(--brand-500);}
.side-note{font-size:13.5px;color:var(--ink-3);line-height:1.7;}
.side-cta{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;
}
.side-cta p{font-size:14px;color:var(--ink-2);margin-bottom:14px;}
.side-cta .btn{width:100%;}
.toc-toggle{display:none;}

/* ---------- 空态 ---------- */
.empty-state{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:56px 32px;text-align:center;box-shadow:var(--sh-1);max-width:760px;
}
.empty-state .blk{
  width:74px;height:74px;margin:0 auto 20px;border-radius:20px;
  border:1px dashed var(--brand-300);
  background:linear-gradient(135deg,rgba(11,59,49,.9),rgba(27,127,102,.75));
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--ink-2);font-size:15px;max-width:44ch;margin:0 auto 22px;}

/* ---------- 文末标签 / 分享 ---------- */
.foot-line{
  max-width:760px;margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-pill{
  font-size:13.5px;padding:6px 14px;border-radius:999px;
  border:1px solid var(--line);background:var(--card);color:var(--ink-2);
  transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.tag-pill:hover{border-color:var(--brand-300);color:var(--brand-700);transform:translateY(-2px);}
.share-inline{font-size:14px;color:var(--ink-3);display:flex;gap:16px;}
.share-inline a{border-bottom:1px solid transparent;}
.share-inline a:hover{border-bottom-color:var(--brand-300);}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 var(--sp-section);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;}
.sec-head h2{font-size:clamp(22px,2.4vw,30px);}
.sec-head p{font-size:14.5px;color:var(--ink-3);margin:8px 0 0;}
.sec-link{font-size:14.5px;color:var(--brand-500);white-space:nowrap;}
.sec-link:hover{color:var(--brand-700);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.mini-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:transparent;}
.mini-card .thumb{position:relative;aspect-ratio:4/3;overflow:hidden;border-radius:0;}
.mini-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .18s ease-out;}
.mini-card:hover .thumb img{transform:scale(1.03);}
.mini-card .badge{
  position:absolute;right:12px;bottom:12px;font-size:12.5px;padding:4px 11px;border-radius:999px;
  background:var(--orange);color:#fff;font-weight:500;
}
.mini-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.mini-card .kicker{font-size:13px;color:var(--brand-500);font-weight:600;}
.mini-card h3{font-size:17.5px;line-height:1.5;}
.mini-card p{font-size:14.5px;color:var(--ink-2);line-height:1.75;margin:0;}
.mini-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--ink-3);}
.mini-card .foot .go{color:var(--orange);font-weight:500;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:linear-gradient(135deg,#0B3B31 0%,#12594A 55%,#1B7F66 100%);
  color:#fff;padding:52px 48px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band::after{
  content:"";position:absolute;right:-70px;bottom:-110px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,53,.22) 0%,rgba(255,107,53,0) 70%);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);max-width:20ch;position:relative;z-index:1;}
.cta-band p{margin:12px 0 0;font-size:15.5px;color:rgba(255,255,255,.8);max-width:46ch;position:relative;z-index:1;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1;}
.cta-section{padding:0 0 var(--sp-section);}
.cta-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;position:relative;z-index:1;}
.cta-chips span{font-size:13px;padding:5px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.28);color:rgba(255,255,255,.86);}

/* ---------- footer ---------- */
.site-footer{
  background:var(--brand-900);color:#fff;padding:64px 0 28px;margin-top:0;
  border-top:1px solid rgba(255,255,255,.1);
}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:32px;}
.footer-logo{font-size:18px;font-weight:800;margin-bottom:12px;}
.footer-logo .kw{color:var(--brand-300);}
.footer-about{font-size:14px;color:rgba(255,255,255,.66);max-width:34ch;line-height:1.8;margin:0;}
.footer-col{display:flex;flex-direction:column;}
.footer-col b{font-size:14.5px;font-weight:600;margin-bottom:14px;color:#fff;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);line-height:2.2;}
.footer-col a:hover{color:var(--lime);text-decoration:underline;}
.footer-bottom{
  margin-top:44px;padding-top:20px;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(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sp-section:72px;}
  .container{padding:0 28px;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .layout{grid-template-columns:minmax(0,1fr);gap:32px;padding-top:44px;}
  .side{position:static;order:-1;}
  .side-card{padding:18px;}
  .toc-toggle{display:flex;width:100%;align-items:center;justify-content:space-between;font-size:15px;font-weight:600;color:var(--brand-900);}
  .toc-body{display:none;}
  .toc-body.open{display:block;margin-top:12px;}
  .article-hero{padding:40px 32px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:640px){
  :root{--sp-section:56px;}
  .container{padding:0 20px;}
  body{font-size:16px;}
  .nav-wrap{height:60px;}
  .drawer{inset:60px 0 0 0;}
  .article-hero{padding:30px 22px;border-radius:var(--r-lg);}
  .article-hero h1{max-width:none;}
  .article-body{font-size:16px;line-height:1.9;}
  .article-body h2{margin-top:32px;}
  .cta-band{padding:32px 22px;border-radius:var(--r-lg);}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .crumb .cur{white-space:normal;max-width:none;}
}

/* roulang page: category1 */
:root{
  --brand-900:#0B3B31;
  --brand-700:#12594A;
  --brand-500:#1B7F66;
  --brand-300:#6FBFA8;
  --orange:#FF6B35;
  --orange-2:#FF8A50;
  --lime:#C8F169;
  --bg:#FAF8F4;
  --card:#FFFFFF;
  --surface:#F3EFE8;
  --line:#E8E3DA;
  --ink:#101C19;
  --ink-2:#58675F;
  --ink-3:#8B978F;
  --r-sm:16px;
  --r-lg:22px;
  --r-xl:28px;
  --pill:999px;
  --sh:0 8px 24px rgba(11,59,49,.06);
  --sh-hover:0 18px 40px rgba(11,59,49,.14);
  --gap:24px;
  --sec:96px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  font-size:16.5px;
  line-height:1.9;
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-sm);}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-feature-settings:"tnum";font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(250,248,244,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
  gap:24px;
}
.brand{
  font-size:19px;
  font-weight:800;
  letter-spacing:.2px;
  color:var(--ink);
  white-space:nowrap;
  display:inline-flex;
  align-items:center;
}
.brand .kw{color:var(--brand-500);}
.nav-links{
  display:flex;
  align-items:center;
  gap:32px;
}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  padding:6px 8px;
  border-radius:var(--pill);
  transition:color .18s ease,background-color .18s ease;
}
.nav-links a:hover{
  color:var(--brand-700);
  background:rgba(27,127,102,.08);
}
.nav-links a.active{
  color:var(--brand-700);
  font-weight:600;
}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:8px;
  right:8px;
  bottom:-2px;
  height:2px;
  background:var(--brand-500);
  border-radius:2px;
}
.nav-links a.active::before{
  content:"";
  position:absolute;
  left:-4px;
  top:50%;
  transform:translateY(-50%);
  width:4px;
  height:4px;
  border-radius:50%;
  background:var(--orange);
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:linear-gradient(135deg,var(--orange) 0%,var(--orange-2) 100%);
  background-size:140% 140%;
  color:#fff;
  font-size:14px;
  font-weight:600;
  padding:10px 20px;
  border-radius:var(--pill);
  border:none;
  transition:transform .18s ease,box-shadow .18s ease,background-position .18s ease;
  white-space:nowrap;
}
.nav-cta:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(255,107,53,.28);
  background-position:60% 50%;
}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:1.5px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}

.drawer{
  position:fixed;
  inset:60px 0 0 0;
  background:var(--bg);
  z-index:55;
  display:none;
  flex-direction:column;
  padding:8px 20px 24px;
  overflow-y:auto;
}
.drawer.show{display:flex;}
.drawer a{
  font-size:18px;
  font-weight:500;
  color:var(--ink);
  padding:20px 4px;
  border-bottom:1px solid var(--line);
}
.drawer a.active{color:var(--brand-500);font-weight:700;}
.drawer .drawer-cta{
  margin-top:auto;
  display:block;
  text-align:center;
  background:linear-gradient(135deg,var(--orange) 0%,var(--orange-2) 100%);
  color:#fff;
  font-weight:600;
  padding:15px 20px;
  border-radius:var(--pill);
  border-bottom:none;
}

/* ============ 通用板块 ============ */
.section{padding:var(--sec) 0;}
.section-tight{padding:64px 0;}
.sec-head{max-width:760px;margin-bottom:36px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand-700);
  background:rgba(27,127,102,.09);
  border:1px solid rgba(27,127,102,.18);
  padding:5px 14px;
  border-radius:var(--pill);
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;background:var(--orange);
}
h1{
  font-size:clamp(32px,5.2vw,58px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.5px;
  color:var(--ink);
}
h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.3px;
}
h3{
  font-size:21px;
  line-height:1.45;
  font-weight:700;
}
.lead{
  font-size:17px;
  line-height:1.95;
  color:var(--ink-2);
  margin-top:18px;
}
.muted{color:var(--ink-3);font-size:14px;line-height:1.6;}

/* ============ Hero ============ */
.hero{
  position:relative;
  background:linear-gradient(135deg,#0B3B31 0%,#12594A 55%,#1B7F66 100%);
  border-radius:var(--r-xl);
  overflow:hidden;
  padding:64px 56px;
  color:#fff;
}
.hero::after{
  content:"";
  position:absolute;
  right:-120px;
  bottom:-140px;
  width:420px;
  height:420px;
  border-radius:50%;
  background:rgba(255,107,53,.22);
  filter:blur(10px);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.hero h1{color:#fff;}
.hero .lead{color:rgba(255,255,255,.82);max-width:520px;}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--lime);
  border:1px solid rgba(200,241,105,.42);
  padding:5px 14px;
  border-radius:var(--pill);
  margin-bottom:20px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  padding:14px 28px;
  border-radius:var(--pill);
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-position .18s ease,background-color .18s ease,color .18s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--orange) 0%,var(--orange-2) 100%);
  background-size:150% 150%;
  color:#fff;
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(255,107,53,.32);
  background-position:60% 50%;
}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,107,53,.24);}
.btn-ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.42);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.12);
  transform:translateY(-2px);
}
.btn-outline{
  background:#fff;
  color:var(--brand-700);
  border-color:var(--line);
}
.btn-outline:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-hover);
  border-color:var(--brand-300);
}
.btn-light{
  background:#fff;
  color:var(--brand-900);
}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.18);}

.hero-media{position:relative;}
.hero-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid rgba(255,255,255,.22);
}
.hero-badge{
  position:absolute;
  left:-18px;
  bottom:-22px;
  background:#0B3B31;
  border:1px solid rgba(200,241,105,.45);
  border-radius:var(--r-sm);
  padding:16px 20px;
  min-width:170px;
  box-shadow:0 18px 40px rgba(0,0,0,.28);
}
.hero-badge .val{
  font-size:32px;
  font-weight:800;
  color:var(--lime);
  line-height:1.1;
}
.hero-badge .val small{font-size:14px;font-weight:600;margin-left:2px;}
.hero-badge .lab{
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-top:6px;
}

/* ============ 交错图文 ============ */
.zigzag{display:flex;flex-direction:column;gap:72px;}
.zig-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.zig-row.reverse .zig-media{order:2;}
.zig-media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  box-shadow:var(--sh);
}
.zig-step{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:12px;
  background:rgba(27,127,102,.10);
  border:1px solid rgba(27,127,102,.22);
  color:var(--brand-700);
  font-weight:800;
  font-size:15px;
  margin-bottom:18px;
}
.zig-text p{margin-top:14px;color:var(--ink-2);font-size:16.5px;}
.zig-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.zig-list li{
  position:relative;
  padding-left:22px;
  font-size:15.5px;
  color:var(--ink-2);
  line-height:1.8;
}
.zig-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:12px;
  width:8px;
  height:2px;
  border-radius:2px;
  background:var(--orange);
}
.zig-list li b{color:var(--ink);font-weight:600;}

/* ============ 数据徽章 ============ */
.badge-band{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.badge-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  box-shadow:var(--sh);
  transition:transform .18s ease,box-shadow .18s ease;
}
.badge-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.badge-card .val{
  font-size:34px;
  font-weight:800;
  color:var(--brand-700);
  line-height:1.1;
}
.badge-card .val small{font-size:14px;font-weight:600;color:var(--ink-2);margin-left:3px;}
.badge-card .lab{
  margin-top:10px;
  font-size:14px;
  color:var(--ink-2);
}
.badge-card .tag{
  display:inline-block;
  margin-top:14px;
  font-size:12.5px;
  color:var(--brand-700);
  background:rgba(27,127,102,.08);
  border:1px solid var(--brand-300);
  padding:3px 12px;
  border-radius:var(--pill);
}

/* ============ 清单 ============ */
.checklist{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.check-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:24px;
  display:flex;
  gap:16px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.check-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-hover);
  border-color:var(--brand-300);
}
.check-mark{
  flex:0 0 26px;
  width:26px;
  height:26px;
  border-radius:8px;
  border:1px solid var(--brand-300);
  background:rgba(27,127,102,.08);
  position:relative;
  margin-top:3px;
}
.check-mark::after{
  content:"";
  position:absolute;
  left:8px;
  top:5px;
  width:6px;
  height:11px;
  border-right:2px solid var(--brand-500);
  border-bottom:2px solid var(--brand-500);
  transform:rotate(42deg);
}
.check-item h3{font-size:17px;margin-bottom:6px;}
.check-item p{font-size:15px;color:var(--ink-2);line-height:1.8;}

/* ============ CTA ============ */
.cta-block{
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,#0B3B31 0%,#12594A 55%,#1B7F66 100%);
  border-radius:var(--r-xl);
  padding:56px;
  color:#fff;
}
.cta-block::after{
  content:"";
  position:absolute;
  right:-90px;
  bottom:-110px;
  width:340px;
  height:340px;
  border-radius:50%;
  background:rgba(255,107,53,.22);
  filter:blur(8px);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
}
.cta-inner h2{color:#fff;max-width:600px;}
.cta-inner p{margin-top:14px;color:rgba(255,255,255,.8);max-width:560px;font-size:16px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0;}
.cta-tags{
  position:relative;
  z-index:2;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:32px;
}
.cta-tags span{
  font-size:13px;
  color:rgba(255,255,255,.9);
  border:1px solid rgba(255,255,255,.34);
  padding:6px 16px;
  border-radius:var(--pill);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-900);
  color:#fff;
  margin-top:96px;
  padding:64px 0 28px;
  border-top:1px solid var(--brand-700);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-logo{
  font-size:19px;
  font-weight:800;
  margin-bottom:14px;
}
.footer-logo .kw{color:var(--brand-300);}
.footer-about{
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.68);
  max-width:320px;
}
.footer-col{display:flex;flex-direction:column;}
.footer-col b{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col a{
  font-size:14px;
  line-height:2.2;
  color:rgba(255,255,255,.72);
  transition:color .18s ease;
  width:fit-content;
}
.footer-col a:hover{
  color:var(--lime);
  text-decoration:underline;
  text-underline-offset:4px;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--sec:72px;}
  .container{padding:0 28px;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .hero{padding:48px 36px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-badge{left:auto;right:16px;bottom:-18px;}
  .zig-row{grid-template-columns:1fr;gap:32px;}
  .zig-row.reverse .zig-media{order:0;}
  .badge-band{grid-template-columns:repeat(2,1fr);}
  .checklist{grid-template-columns:1fr;}
  .cta-block{padding:44px 36px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  :root{--sec:56px;}
  body{font-size:16px;}
  .container{padding:0 20px;}
  .nav-wrap{height:60px;}
  .drawer{inset:60px 0 0 0;}
  .brand{font-size:17px;}
  .hero{padding:36px 22px;border-radius:var(--r-lg);}
  .hero-actions{width:100%;}
  .hero-actions .btn{width:100%;}
  .hero-badge{position:static;margin-top:20px;left:auto;right:auto;bottom:auto;display:inline-block;}
  .badge-band{grid-template-columns:repeat(2,1fr);gap:16px;}
  .badge-card{padding:20px 18px;}
  .badge-card .val{font-size:28px;}
  .zigzag{gap:52px;}
  .check-item{padding:20px 18px;}
  .cta-block{padding:34px 22px;border-radius:var(--r-lg);}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .site-footer{margin-top:56px;padding:48px 0 24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}

/* roulang page: category2 */
:root{
    --brand-900:#0B3B31;
    --brand-700:#12594A;
    --brand-500:#1B7F66;
    --brand-300:#6FBFA8;
    --orange:#FF6B35;
    --orange-2:#FF8A50;
    --lime:#C8F169;
    --bg:#FAF8F4;
    --surface:#FFFFFF;
    --surface-2:#F3EFE8;
    --line:#E8E3DA;
    --ink:#101C19;
    --ink-2:#58675F;
    --ink-3:#8B978F;
    --r-lg:22px;
    --r-sm:16px;
    --r-xs:14px;
    --r-pill:999px;
    --r-block:28px;
    --sh-1:0 8px 24px rgba(11,59,49,.06);
    --sh-2:0 18px 40px rgba(11,59,49,.14);
    --sec-y:96px;
    --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:var(--font);
    font-size:16.5px;
    line-height:1.9;
    color:var(--ink);
    background:var(--bg);
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;border-radius:var(--r-sm);}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  h1,h2,h3{font-weight:700;line-height:1.3;letter-spacing:.2px;}
  p{margin-top:1.2em;}
  p:first-child{margin-top:0;}

  a:focus-visible,button:focus-visible,summary:focus-visible{
    outline:2px solid var(--orange);
    outline-offset:2px;
    border-radius:6px;
  }

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 32px;
  }

  .num{font-feature-settings:"tnum";}

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(250,248,244,.86);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{
    height:72px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
  }
  .logo{
    font-size:19px;
    font-weight:800;
    letter-spacing:.2px;
    color:var(--ink);
    white-space:nowrap;
  }
  .logo .kw{color:var(--brand-500);}
  .nav-links{
    display:flex;
    align-items:center;
    gap:32px;
  }
  .nav-links a{
    position:relative;
    font-size:15px;
    font-weight:500;
    color:var(--ink-2);
    padding:6px 2px;
    transition:color .18s ease,background .18s ease;
  }
  .nav-links a::after{
    content:"";
    position:absolute;
    left:0;
    right:0;
    bottom:-4px;
    height:2px;
    background:var(--brand-500);
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .2s ease;
    border-radius:2px;
  }
  .nav-links a:hover{
    color:var(--brand-700);
    background:rgba(27,127,102,.08);
    border-radius:var(--r-pill);
  }
  .nav-links a.active{
    color:var(--brand-900);
    font-weight:600;
  }
  .nav-links a.active::before{
    content:"";
    position:absolute;
    left:-12px;
    top:50%;
    transform:translateY(-50%);
    width:4px;
    height:4px;
    border-radius:50%;
    background:var(--orange);
  }
  .nav-links a.active::after{transform:scaleX(1);}

  .header-actions{display:flex;align-items:center;gap:14px;}

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    font-size:15px;
    font-weight:500;
    line-height:1;
    padding:13px 26px;
    border-radius:var(--r-pill);
    border:1px solid transparent;
    cursor:pointer;
    transition:transform .18s ease,box-shadow .18s ease,background-position .18s ease,background-color .18s ease,color .18s ease;
  }
  .btn-primary{
    color:#fff;
    background-image:linear-gradient(135deg,var(--orange) 0%,var(--orange-2) 100%);
    background-size:180% 180%;
    background-position:0% 50%;
    box-shadow:0 8px 20px rgba(255,107,53,.24);
  }
  .btn-primary:hover{
    transform:translateY(-2px);
    background-position:35% 50%;
    box-shadow:0 14px 28px rgba(255,107,53,.3);
  }
  .btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,107,53,.22);}
  .btn-ghost{
    background:transparent;
    color:var(--brand-900);
    border-color:rgba(11,59,49,.22);
  }
  .btn-ghost:hover{
    transform:translateY(-2px);
    border-color:var(--brand-500);
    background:rgba(27,127,102,.06);
  }
  .btn-ghost:active{transform:translateY(0);}
  .btn.on-dark{
    background:transparent;
    color:#fff;
    border-color:rgba(255,255,255,.42);
  }
  .btn.on-dark:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}
  .btn-sm{padding:10px 20px;font-size:14px;}

  .menu-toggle{
    display:none;
    width:42px;
    height:42px;
    border:1px solid var(--line);
    background:var(--surface);
    border-radius:12px;
    padding:0;
    cursor:pointer;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:5px;
  }
  .menu-toggle span{
    display:block;
    width:18px;
    height:2px;
    border-radius:2px;
    background:var(--ink);
    transition:transform .2s ease,opacity .2s ease;
  }
  .menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  .mobile-drawer{
    position:fixed;
    inset:60px 0 0 0;
    background:var(--bg);
    z-index:55;
    padding:24px 20px 32px;
    display:none;
    flex-direction:column;
    border-top:1px solid var(--line);
  }
  .mobile-drawer.open{display:flex;}
  .mobile-drawer a{
    font-size:18px;
    font-weight:500;
    color:var(--ink);
    padding:18px 4px;
    border-bottom:1px solid var(--line);
  }
  .mobile-drawer a.active{color:var(--brand-500);}
  .mobile-drawer .btn{margin-top:26px;width:100%;}

  /* ============ Hero ============ */
  .page-hero{
    background-image:linear-gradient(135deg,#0B3B31 0%,#12594A 55%,#1B7F66 100%);
    color:#fff;
    padding:76px 0 84px;
    position:relative;
    overflow:hidden;
  }
  .page-hero::after{
    content:"";
    position:absolute;
    right:-120px;
    bottom:-160px;
    width:420px;
    height:420px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(255,107,53,.28) 0%,rgba(255,107,53,0) 70%);
    pointer-events:none;
  }
  .hero-grid{
    position:relative;
    z-index:1;
    display:grid;
    grid-template-columns:1.05fr .95fr;
    gap:56px;
    align-items:center;
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13.5px;
    letter-spacing:1px;
    padding:7px 16px;
    border-radius:var(--r-pill);
    border:1px solid rgba(255,255,255,.28);
    color:rgba(255,255,255,.9);
    background:rgba(255,255,255,.06);
  }
  .page-hero h1{
    font-size:clamp(32px,5.2vw,50px);
    line-height:1.15;
    margin-top:22px;
  }
  .page-hero .lead{
    margin-top:20px;
    font-size:18px;
    line-height:1.8;
    color:rgba(255,255,255,.82);
    max-width:540px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
  .hero-media{position:relative;}
  .hero-media img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
    border-radius:var(--r-lg);
    border:1px solid rgba(255,255,255,.18);
    box-shadow:0 24px 48px rgba(0,0,0,.22);
  }
  .hero-badge{
    position:absolute;
    left:-18px;
    bottom:-22px;
    background:rgba(11,59,49,.94);
    border:1px solid rgba(200,241,105,.42);
    border-radius:var(--r-sm);
    padding:16px 22px;
    display:flex;
    align-items:baseline;
    gap:10px;
    box-shadow:0 18px 36px rgba(0,0,0,.28);
  }
  .hero-badge b{
    font-size:34px;
    line-height:1;
    color:var(--lime);
    font-feature-settings:"tnum";
  }
  .hero-badge span{font-size:13.5px;color:rgba(255,255,255,.78);}

  /* ============ 通用板块 ============ */
  .section{padding:var(--sec-y) 0;}
  .section.tight{padding-top:0;}
  .section-head{max-width:720px;}
  .section-head .eyebrow-dark{
    display:inline-block;
    font-size:13.5px;
    color:var(--brand-500);
    font-weight:600;
    letter-spacing:.6px;
    margin-bottom:12px;
  }
  .section-head h2{
    font-size:clamp(24px,3vw,34px);
  }
  .section-head p{
    color:var(--ink-2);
    font-size:16.5px;
    max-width:640px;
  }

  /* ============ 指标卡 ============ */
  .metrics{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
    margin-top:-46px;
    position:relative;
    z-index:5;
  }
  .metric-card{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:30px 28px;
    box-shadow:var(--sh-1);
    transition:transform .18s ease,box-shadow .18s ease;
  }
  .metric-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
  .metric-value{
    display:flex;
    align-items:baseline;
    gap:6px;
    color:var(--brand-700);
    font-size:40px;
    font-weight:700;
    line-height:1;
    font-feature-settings:"tnum";
  }
  .metric-value small{font-size:15px;font-weight:500;color:var(--ink-2);}
  .metric-card h3{font-size:17px;margin-top:16px;}
  .metric-card p{font-size:15px;color:var(--ink-2);margin-top:8px;line-height:1.8;}

  /* ============ 时间轴 ============ */
  .timeline{margin-top:40px;}
  .tl-item{
    position:relative;
    display:grid;
    grid-template-columns:56px 1fr;
    gap:22px;
    padding-bottom:32px;
  }
  .tl-item:last-child{padding-bottom:0;}
  .tl-item:not(:last-child)::after{
    content:"";
    position:absolute;
    left:27px;
    top:54px;
    bottom:4px;
    width:1px;
    background:var(--line);
  }
  .tl-dot{
    width:44px;
    height:44px;
    margin:0 auto;
    border-radius:50%;
    background:linear-gradient(135deg,var(--brand-900) 0%,var(--brand-500) 100%);
    color:#fff;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:15px;
    font-weight:700;
    font-feature-settings:"tnum";
  }
  .tl-body{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--r-sm);
    padding:22px 26px;
    box-shadow:var(--sh-1);
    transition:transform .18s ease,box-shadow .18s ease;
  }
  .tl-body:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
  .tl-body h3{font-size:18px;}
  .tl-body p{color:var(--ink-2);font-size:15.5px;margin-top:8px;}
  .tl-tip{
    display:inline-block;
    margin-top:12px;
    font-size:13.5px;
    color:var(--brand-700);
    background:rgba(27,127,102,.08);
    border:1px solid rgba(27,127,102,.16);
    border-radius:var(--r-pill);
    padding:5px 14px;
  }

  /* ============ 细节提示 ============ */
  .notes-band{
    background:var(--surface-2);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
  }
  .notes-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:18px 40px;
    margin-top:34px;
  }
  .note-item{
    display:flex;
    gap:14px;
    align-items:flex-start;
    padding:18px 0;
    border-bottom:1px solid rgba(11,59,49,.08);
  }
  .note-item .dot{
    flex:none;
    width:8px;
    height:8px;
    border-radius:50%;
    margin-top:10px;
    background:var(--orange);
  }
  .note-item h3{font-size:16.5px;}
  .note-item p{font-size:15px;color:var(--ink-2);margin-top:4px;}

  /* ============ FAQ ============ */
  .faq-list{margin-top:34px;border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    padding:22px 4px;
    font-size:17px;
    font-weight:600;
    color:var(--ink);
    transition:color .18s ease;
  }
  .faq-item summary:hover{color:var(--brand-700);}
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-icon{
    position:relative;
    flex:none;
    width:18px;
    height:18px;
  }
  .faq-icon::before,
  .faq-icon::after{
    content:"";
    position:absolute;
    background:var(--brand-500);
    border-radius:2px;
    transition:transform .24s ease;
  }
  .faq-icon::before{left:0;right:0;top:8px;height:2px;}
  .faq-icon::after{top:0;bottom:0;left:8px;width:2px;}
  details[open] .faq-icon::after{transform:scaleY(0);}
  .faq-answer{
    padding:0 4px 24px;
    color:var(--ink-2);
    font-size:15.5px;
  }

  /* ============ 页脚 ============ */
  .site-footer{
    background:var(--brand-900);
    color:rgba(255,255,255,.78);
    padding:64px 0 28px;
    border-top:1px solid rgba(255,255,255,.08);
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1fr;
    gap:36px;
  }
  .footer-logo{
    font-size:19px;
    font-weight:800;
    color:#fff;
    letter-spacing:.2px;
  }
  .footer-logo .kw{color:var(--brand-300);}
  .footer-about{
    margin-top:14px;
    font-size:14px;
    line-height:1.9;
    color:rgba(255,255,255,.62);
    max-width:320px;
  }
  .footer-col b{
    display:block;
    font-size:14px;
    color:#fff;
    margin-bottom:14px;
    font-weight:600;
  }
  .footer-col a{
    display:block;
    font-size:14px;
    line-height:2.2;
    color:rgba(255,255,255,.68);
    transition:color .18s ease;
  }
  .footer-col a:hover{
    color:var(--lime);
    text-decoration:underline;
    text-underline-offset:4px;
  }
  .footer-bottom{
    margin-top:44px;
    padding-top:20px;
    border-top:1px solid rgba(255,255,255,.12);
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    gap:12px;
    font-size:13px;
    color:rgba(255,255,255,.5);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1024px){
    :root{--sec-y:72px;}
    .container{padding:0 28px;}
    .nav-links{gap:20px;}
    .nav-links a{font-size:14px;}
    .hero-grid{grid-template-columns:1fr;gap:40px;}
    .page-hero .lead{max-width:none;}
    .metrics{grid-template-columns:repeat(2,1fr);margin-top:-34px;}
    .metric-card:last-child{grid-column:span 2;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  }
  @media (max-width:768px){
    body{font-size:16px;}
    .nav-links,.header-actions .btn{display:none;}
    .menu-toggle{display:flex;}
    .header-inner{height:60px;}
    .notes-grid{grid-template-columns:1fr;}
  }
  @media (max-width:640px){
    :root{--sec-y:56px;}
    .container{padding:0 20px;}
    .page-hero{padding:52px 0 64px;}
    .page-hero h1{font-size:clamp(28px,7.6vw,36px);}
    .page-hero .lead{font-size:16.5px;}
    .hero-actions .btn{width:100%;}
    .hero-badge{left:auto;right:12px;bottom:-18px;padding:12px 16px;}
    .hero-badge b{font-size:26px;}
    .metrics{grid-template-columns:1fr;margin-top:28px;}
    .metric-card:last-child{grid-column:auto;}
    .metric-card{padding:24px 22px;}
    .tl-item{grid-template-columns:38px 1fr;gap:14px;}
    .tl-dot{width:34px;height:34px;font-size:13.5px;}
    .tl-item:not(:last-child)::after{left:18px;top:42px;}
    .tl-body{padding:18px 18px;}
    .faq-item summary{font-size:16px;padding:18px 2px;}
    .footer-grid{grid-template-columns:1fr;gap:26px;}
    .footer-bottom{flex-direction:column;gap:8px;}
  }

/* roulang page: category3 */
:root{
  --brand-900:#0B3B31;
  --brand-700:#12594A;
  --brand-500:#1B7F66;
  --brand-300:#6FBFA8;
  --orange:#FF6B35;
  --orange-2:#FF8A50;
  --lime:#C8F169;
  --bg:#FAF8F4;
  --card:#FFFFFF;
  --surface:#F3EFE8;
  --line:#E8E3DA;
  --ink:#101C19;
  --ink-2:#58675F;
  --ink-3:#8B978F;
  --r-lg:22px;
  --r-sm:16px;
  --r-block:28px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(11,59,49,.06);
  --sh-h:0 18px 40px rgba(11,59,49,.14);
  --gap-sec:96px;
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  font-feature-settings:"tnum";
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;border-radius:var(--r-sm)}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--orange);
  outline-offset:2px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.section{padding:var(--gap-sec) 0}
.section-tight{padding:64px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:34px;
}
.section-head h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:.2px;
}
.section-head p{
  color:var(--ink-2);
  font-size:15px;
  max-width:520px;
  line-height:1.8;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--brand-700);
  background:rgba(27,127,102,.09);
  border:1px solid rgba(27,127,102,.16);
  border-radius:var(--r-pill);
  padding:6px 14px;
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--orange);
}
.lead{color:var(--ink-2);font-size:16.5px;line-height:1.9}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(250,248,244,.86);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:72px;
}
.logo{
  font-size:19px;
  font-weight:800;
  letter-spacing:.2px;
  color:var(--ink);
  white-space:nowrap;
}
.logo .kw{color:var(--brand-500)}
.nav-links{
  display:flex;
  align-items:center;
  gap:32px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  padding:6px 2px;
  transition:color .18s ease;
}
.nav-links a:hover{
  color:var(--brand-700);
  background:rgba(27,127,102,.08);
  border-radius:8px;
}
.nav-links a.active{color:var(--ink)}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-3px;
  height:2px;
  border-radius:2px;
  background:var(--brand-500);
}
.nav-links a.active::before{
  content:"";
  position:absolute;
  left:-11px;top:50%;
  width:4px;height:4px;
  border-radius:50%;
  background:var(--orange);
  transform:translateY(-50%);
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  padding:10px 22px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:500;
  color:#fff;
  background:linear-gradient(135deg,#FF6B35,#FF8A50);
  background-size:120% 120%;
  transition:transform .18s ease,box-shadow .18s ease,background-position .25s ease;
  box-shadow:0 8px 20px rgba(255,107,53,.24);
}
.nav-cta:hover{
  transform:translateY(-2px);
  background-position:4% 50%;
  box-shadow:0 12px 26px rgba(255,107,53,.3);
}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:12px;
  cursor:pointer;
  padding:0;
  position:relative;
}
.nav-toggle span{
  position:absolute;
  left:11px;right:11px;
  height:1.6px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .22s ease,opacity .22s ease;
}
.nav-toggle span:nth-child(1){top:14px}
.nav-toggle span:nth-child(2){top:20px}
.nav-toggle span:nth-child(3){top:26px}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  color:#fff;
  background:linear-gradient(135deg,#0B3B31 0%,#12594A 55%,#1B7F66 100%);
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.16;
}
.hero-inner{
  position:relative;
  z-index:1;
  padding-top:60px;
  padding-bottom:64px;
}
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.7);
  margin-bottom:22px;
}
.crumbs a{color:rgba(255,255,255,.85)}
.crumbs a:hover{color:var(--lime);text-decoration:underline}
.crumbs .cur{color:var(--lime)}
.hero h1{
  font-size:clamp(30px,4.4vw,46px);
  line-height:1.2;
  font-weight:700;
  max-width:20em;
  letter-spacing:.3px;
}
.hero-sub{
  margin-top:18px;
  font-size:clamp(16px,1.6vw,19px);
  line-height:1.75;
  color:rgba(255,255,255,.86);
  max-width:38em;
}
.hero-chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:28px;
}
.chip{
  padding:8px 16px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.06);
  color:rgba(255,255,255,.92);
  font-size:13.5px;
  line-height:1.6;
}
.chip b{color:var(--lime);font-weight:700}

/* ---------- 图文区块 ---------- */
.split{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.split h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.3;
  font-weight:700;
  margin-bottom:18px;
}
.split p{color:var(--ink-2);margin-bottom:14px}
.dot-list{margin-top:22px;display:grid;gap:12px}
.dot-list li{
  position:relative;
  padding-left:22px;
  color:var(--ink-2);
  font-size:15.5px;
  line-height:1.8;
}
.dot-list li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--brand-300);
}
.dot-list li strong{color:var(--ink);font-weight:600}
.figure-card{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh);
  border:1px solid var(--line);
  background:#fff;
}
.figure-card img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:0;
}

/* ---------- 对照表 ---------- */
.table-note{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13.5px;
  color:var(--ink-3);
  margin-bottom:16px;
}
.table-wrap{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:#fff;
  box-shadow:var(--sh);
}
.cmp-table{
  width:100%;
  min-width:880px;
  border-collapse:collapse;
  font-size:15px;
}
.cmp-table caption{
  position:absolute;
  width:1px;height:1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
}
.cmp-table th{
  background:var(--brand-900);
  color:#fff;
  text-align:left;
  font-weight:600;
  font-size:14px;
  padding:14px 16px;
  white-space:nowrap;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.cmp-table td{
  padding:14px 16px;
  border-top:1px solid var(--line);
  color:var(--ink-2);
  line-height:1.75;
  vertical-align:top;
}
.cmp-table tbody tr:nth-child(odd){background:#FAF8F4}
.cmp-table tbody tr:nth-child(even){background:#FFFFFF}
.cmp-table tbody tr:hover{background:rgba(27,127,102,.06)}
.cmp-table td:first-child{
  color:var(--ink);
  font-weight:600;
  white-space:nowrap;
}
.cmp-table td .mini{
  display:inline-block;
  margin-left:6px;
  padding:2px 10px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,107,53,.4);
  color:var(--orange);
  font-size:12.5px;
  font-weight:500;
  line-height:1.7;
  vertical-align:middle;
}

/* ---------- 标签云 ---------- */
.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:11px 20px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-2);
  font-size:14.5px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
}
.tag::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand-300);
}
.tag.accent::before{background:var(--orange)}
.tag:hover{
  transform:translateY(-2px);
  border-color:var(--brand-300);
  color:var(--brand-700);
  box-shadow:var(--sh);
}

/* ---------- 保障条 ---------- */
.assure{
  background:var(--surface);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.assure-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:26px;
  padding:38px 0;
}
.assure-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
}
.assure-item svg{
  flex:0 0 24px;
  width:24px;height:24px;
  stroke:var(--brand-500);
  fill:none;
  stroke-width:1.5;
  stroke-linecap:round;
  stroke-linejoin:round;
  margin-top:4px;
}
.assure-item b{
  display:block;
  font-size:15.5px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:4px;
}
.assure-item p{
  font-size:13.5px;
  color:var(--ink-2);
  line-height:1.75;
}

/* ---------- CTA ---------- */
.cta-lite{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-block);
  padding:42px 44px;
  box-shadow:var(--sh);
  position:relative;
  overflow:hidden;
}
.cta-lite::after{
  content:"";
  position:absolute;
  right:-70px;bottom:-90px;
  width:260px;height:260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,53,.16),rgba(255,107,53,0) 70%);
  pointer-events:none;
}
.cta-lite h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.35;
  font-weight:700;
  margin-bottom:10px;
}
.cta-lite p{
  color:var(--ink-2);
  font-size:15.5px;
  max-width:44em;
}
.cta-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  position:relative;
  z-index:1;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:500;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-position .25s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,#FF6B35,#FF8A50);
  background-size:120% 120%;
  box-shadow:0 10px 24px rgba(255,107,53,.26);
}
.btn-primary:hover{
  transform:translateY(-2px);
  background-position:4% 50%;
  box-shadow:0 14px 30px rgba(255,107,53,.32);
}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:#fff;
  border-color:var(--line);
  color:var(--ink);
}
.btn-ghost:hover{
  transform:translateY(-2px);
  border-color:var(--brand-300);
  color:var(--brand-700);
  box-shadow:var(--sh);
}
.btn-ghost:active{transform:translateY(0)}

/* ---------- footer ---------- */
.site-footer{
  background:#0B3B31;
  color:#fff;
  border-top:1px solid rgba(255,255,255,.12);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
  padding:64px 0 40px;
}
.footer-logo{
  font-size:18px;
  font-weight:800;
  letter-spacing:.2px;
  margin-bottom:14px;
}
.footer-logo .kw{color:var(--lime)}
.footer-about{
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.68);
  max-width:330px;
}
.footer-col b{
  display:block;
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:14px;
}
.footer-col a{
  display:block;
  font-size:14px;
  line-height:2.2;
  color:rgba(255,255,255,.72);
  transition:color .18s ease;
}
.footer-col a:hover{
  color:var(--lime);
  text-decoration:underline;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 34px;
  font-size:13px;
  color:rgba(255,255,255,.6);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--gap-sec:72px}
  .container{padding-left:28px;padding-right:28px}
  .split{grid-template-columns:1fr;gap:32px}
  .split .figure-card{order:2}
  .assure-grid{grid-template-columns:repeat(2,1fr);gap:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-about{max-width:none}
}
@media (max-width:980px){
  .nav-links{
    position:fixed;
    left:0;right:0;
    top:60px;bottom:0;
    margin:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:var(--bg);
    padding:12px 24px 32px;
    transform:translateX(105%);
    transition:transform .28s ease;
    overflow-y:auto;
    border-top:1px solid var(--line);
  }
  .site-header.nav-open .nav-links{transform:translateX(0)}
  .nav-links a{
    font-size:18px;
    padding:18px 2px;
    border-bottom:1px solid var(--line);
    border-radius:0;
    background:transparent;
  }
  .nav-links a:hover{background:transparent;color:var(--brand-700)}
  .nav-links a.active::after{display:none}
  .nav-links a.active::before{display:none}
  .nav-links a.active{color:var(--brand-700)}
  .nav-toggle{display:block;margin-left:auto}
  .nav-cta{display:none}
  .header-inner{height:60px;gap:16px}
  .logo{font-size:17.5px}
}
@media (max-width:640px){
  :root{--gap-sec:56px}
  body{font-size:16px}
  .container{padding-left:20px;padding-right:20px}
  .section-tight{padding:48px 0}
  .hero-inner{padding-top:40px;padding-bottom:44px}
  .hero-sub{font-size:16px}
  .assure-grid{grid-template-columns:repeat(2,1fr);gap:18px;padding:30px 0}
  .assure-item{gap:10px}
  .cta-lite{flex-direction:column;align-items:flex-start;padding:30px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:48px 0 30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
}

/* roulang page: category4 */
:root{
    --brand-900:#0B3B31;
    --brand-700:#12594A;
    --brand-500:#1B7F66;
    --brand-300:#6FBFA8;
    --orange:#FF6B35;
    --orange-l:#FF8A50;
    --lime:#C8F169;
    --bg:#FAF8F4;
    --card:#FFFFFF;
    --surface:#F3EFE8;
    --line:#E8E3DA;
    --ink:#101C19;
    --ink-2:#58675F;
    --ink-3:#8B978F;
    --r-xl:28px;
    --r-lg:22px;
    --r-sm:16px;
    --r-pill:999px;
    --sh:0 8px 24px rgba(11,59,49,.06);
    --sh-hover:0 18px 40px rgba(11,59,49,.14);
    --sec-y:96px;
    --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  }

  *,*::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:var(--font);
    font-size:17px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border-radius:var(--r-sm);}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;}
  p{margin:0 0 1.2em;}
  ul{margin:0;padding:0;list-style:none;}
  .num{font-feature-settings:"tnum";}

  a:focus-visible,button:focus-visible,input:focus-visible{
    outline:2px solid var(--orange);
    outline-offset:2px;
    border-radius:6px;
  }

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 32px;
  }

  /* ============ 头部导航 ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(250,248,244,.86);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    height:72px;
  }
  .brand{
    display:inline-flex;
    align-items:center;
    font-size:19px;
    font-weight:800;
    letter-spacing:-.02em;
    white-space:nowrap;
    color:var(--ink);
  }
  .brand b{color:var(--brand-500);font-weight:800;}

  .nav-links{
    display:flex;
    align-items:center;
    gap:32px;
  }
  .nav-links a{
    position:relative;
    font-size:15px;
    font-weight:500;
    color:var(--ink-2);
    padding:6px 2px;
    transition:color .18s ease;
  }
  .nav-links a:hover{color:var(--brand-700);}
  .nav-links a::before{
    content:"";
    position:absolute;
    left:-10px;
    top:50%;
    transform:translateY(-50%);
    width:4px;height:4px;
    border-radius:50%;
    background:var(--orange);
    opacity:0;
    transition:opacity .18s ease;
  }
  .nav-links a::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:-2px;
    height:2px;
    border-radius:2px;
    background:var(--brand-500);
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .18s ease;
  }
  .nav-links a:hover::after{transform:scaleX(1);}
  .nav-links a.active{color:var(--brand-700);font-weight:600;}
  .nav-links a.active::after{transform:scaleX(1);}
  .nav-links a.active::before{opacity:1;}

  .header-actions{display:flex;align-items:center;gap:12px;}

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:46px;
    padding:0 24px;
    border-radius:var(--r-pill);
    font-size:15px;
    font-weight:500;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform .18s ease,box-shadow .18s ease,background-position .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
    white-space:nowrap;
  }
  .btn-primary{
    color:#fff;
    background-image:linear-gradient(100deg,var(--orange) 0%,var(--orange-l) 50%,var(--orange) 100%);
    background-size:200% 100%;
    background-position:0% 0;
    box-shadow:0 6px 18px rgba(255,107,53,.26);
  }
  .btn-primary:hover{
    background-position:4% 0;
    transform:translateY(-2px);
    box-shadow:0 12px 26px rgba(255,107,53,.32);
  }
  .btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,107,53,.24);}
  .btn-ghost{
    color:var(--brand-900);
    background:#fff;
    border-color:var(--line);
  }
  .btn-ghost:hover{
    border-color:var(--brand-300);
    transform:translateY(-2px);
    box-shadow:var(--sh-hover);
  }
  .btn-ghost:active{transform:translateY(0);box-shadow:var(--sh);}
  .btn-outline-light{
    color:#fff;
    background:transparent;
    border-color:rgba(255,255,255,.5);
  }
  .btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;}

  .menu-toggle{
    display:none;
    width:42px;height:42px;
    border:1px solid var(--line);
    border-radius:12px;
    background:#fff;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:5px;
    cursor:pointer;
  }
  .menu-toggle span{
    display:block;
    width:18px;height:2px;
    border-radius:2px;
    background:var(--brand-900);
    transition:transform .2s ease,opacity .2s ease;
  }
  .menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  .mobile-drawer{
    display:none;
    border-top:1px solid var(--line);
    background:var(--bg);
    padding:8px 32px 24px;
  }
  .mobile-drawer.open{display:block;}
  .mobile-drawer a{
    display:block;
    padding:16px 0;
    font-size:18px;
    color:var(--ink);
    border-bottom:1px solid var(--line);
  }
  .mobile-drawer a.active{color:var(--brand-500);font-weight:600;}
  .mobile-drawer .btn{width:100%;margin-top:20px;}

  /* ============ Hero 瘦身版 ============ */
  .hero{
    position:relative;
    overflow:hidden;
    background-image:linear-gradient(135deg,#0B3B31 0%,#12594A 55%,#1B7F66 100%);
    color:#fff;
    border-radius:var(--r-xl);
    margin:40px auto 0;
    max-width:1200px;
  }
  .hero::after{
    content:"";
    position:absolute;
    right:-80px;bottom:-120px;
    width:340px;height:340px;
    border-radius:50%;
    background:rgba(255,107,53,.22);
    filter:blur(20px);
    pointer-events:none;
  }
  .hero-inner{
    position:relative;
    z-index:2;
    display:grid;
    grid-template-columns:1.15fr .85fr;
    gap:48px;
    align-items:center;
    padding:56px 48px;
  }
  .hero-tag{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 16px;
    border-radius:var(--r-pill);
    border:1px solid rgba(200,241,105,.55);
    color:var(--lime);
    font-size:13px;
    letter-spacing:.04em;
    margin-bottom:20px;
  }
  .hero h1{
    font-size:clamp(30px,4vw,46px);
    line-height:1.2;
    margin-bottom:16px;
  }
  .hero h1 em{
    font-style:normal;
    color:var(--lime);
  }
  .hero-sub{
    font-size:18px;
    line-height:1.75;
    color:rgba(255,255,255,.82);
    max-width:30em;
    margin-bottom:28px;
  }
  .hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
  .hero-media{position:relative;}
  .hero-media img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
    border-radius:var(--r-lg);
    border:1px solid rgba(255,255,255,.16);
  }
  .hero-badge{
    position:absolute;
    left:-18px;
    bottom:-18px;
    background:rgba(11,59,49,.92);
    border:1px solid rgba(255,255,255,.18);
    border-radius:var(--r-sm);
    padding:14px 20px;
    box-shadow:0 18px 40px rgba(0,0,0,.25);
  }
  .hero-badge .n{
    display:block;
    font-size:30px;
    line-height:1.1;
    font-weight:700;
    color:var(--lime);
  }
  .hero-badge .t{
    display:block;
    font-size:13px;
    color:rgba(255,255,255,.72);
    margin-top:2px;
  }

  /* ============ 通用板块 ============ */
  .section{padding-top:var(--sec-y);}
  .section-head{max-width:720px;margin-bottom:32px;}
  .section-head .eyebrow{
    display:inline-block;
    font-size:13px;
    letter-spacing:.08em;
    color:var(--brand-500);
    margin-bottom:10px;
  }
  .section-head h2{
    font-size:clamp(24px,3vw,36px);
    line-height:1.3;
    margin-bottom:14px;
  }
  .section-head p{color:var(--ink-2);margin:0;font-size:17px;}

  /* ============ 卡片瀑布 ============ */
  .waterfall{
    column-count:2;
    column-gap:24px;
  }
  .wm-card{
    display:inline-block;
    width:100%;
    break-inside:avoid;
    margin-bottom:24px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:18px;
    transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  }
  .wm-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--sh-hover);
    border-color:var(--brand-300);
  }
  .wm-media{
    position:relative;
    overflow:hidden;
    border-radius:var(--r-sm);
    background:linear-gradient(135deg,#0B3B31 0%,#1B7F66 100%);
  }
  .wm-media img{
    width:100%;
    border-radius:var(--r-sm);
    object-fit:cover;
    transition:transform .18s ease-out;
  }
  .wm-card:hover .wm-media img{transform:scale(1.03);}
  .wm-media .corner{
    position:absolute;
    right:12px;bottom:12px;
    padding:4px 12px;
    border-radius:var(--r-pill);
    background:var(--orange);
    color:#fff;
    font-size:12px;
    font-weight:500;
    letter-spacing:.02em;
  }
  .h-a{height:236px;}
  .h-b{height:168px;}
  .h-c{height:206px;}
  .h-d{height:182px;}
  .h-e{height:224px;}
  .h-f{height:190px;}

  .wm-label{
    display:inline-block;
    margin:16px 0 10px;
    padding:4px 12px;
    border-radius:var(--r-pill);
    background:var(--surface);
    color:var(--brand-700);
    font-size:12px;
    font-weight:500;
  }
  .wm-card h3{
    font-size:18px;
    line-height:1.5;
    margin-bottom:8px;
  }
  .wm-card p{
    font-size:15px;
    line-height:1.8;
    color:var(--ink-2);
    margin:0 0 16px;
  }
  .wm-foot{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    padding-top:14px;
    border-top:1px solid var(--line);
  }
  .mini-badge{
    display:inline-flex;
    align-items:baseline;
    gap:4px;
    padding:4px 12px;
    border-radius:var(--r-pill);
    border:1px solid var(--brand-300);
    background:rgba(111,191,168,.10);
    color:var(--brand-700);
    font-size:12px;
  }
  .mini-badge .n{
    font-size:15px;
    font-weight:700;
    color:var(--brand-700);
  }
  .link-more{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:500;
    color:var(--brand-500);
    transition:color .18s ease,gap .18s ease;
  }
  .link-more:hover{color:var(--orange);gap:10px;}
  .link-more svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;}

  /* ============ 步骤条 ============ */
  .steps-wrap{
    background:var(--surface);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    margin-top:var(--sec-y);
    padding:var(--sec-y) 0;
  }
  .steps{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
    margin-top:36px;
  }
  .step{
    position:relative;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:32px 26px;
    transition:transform .18s ease,box-shadow .18s ease;
  }
  .step:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
  .step .idx{
    display:block;
    font-size:44px;
    line-height:1;
    font-weight:800;
    color:transparent;
    -webkit-text-stroke:1.5px var(--brand-300);
    margin-bottom:18px;
  }
  .step h3{font-size:20px;margin-bottom:10px;}
  .step p{color:var(--ink-2);font-size:15.5px;margin:0;}
  .step::after{
    content:"";
    position:absolute;
    left:26px;right:26px;top:0;
    height:3px;
    border-radius:0 0 3px 3px;
    background:linear-gradient(90deg,var(--brand-500),rgba(27,127,102,0));
  }

  /* ============ CTA ============ */
  .cta-block{
    position:relative;
    overflow:hidden;
    margin-top:var(--sec-y);
    border-radius:var(--r-xl);
    background-image:linear-gradient(135deg,#0B3B31 0%,#12594A 55%,#1B7F66 100%);
    color:#fff;
    padding:52px 48px;
  }
  .cta-block::after{
    content:"";
    position:absolute;
    right:-60px;bottom:-90px;
    width:280px;height:280px;
    border-radius:50%;
    background:rgba(255,107,53,.22);
    pointer-events:none;
  }
  .cta-grid{
    position:relative;
    z-index:2;
    display:grid;
    grid-template-columns:1.4fr .6fr;
    gap:32px;
    align-items:center;
  }
  .cta-block h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:12px;}
  .cta-block p{color:rgba(255,255,255,.8);margin:0 0 22px;font-size:16.5px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
  .cta-chips{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:26px;
  }
  .cta-chips span{
    padding:6px 14px;
    border-radius:var(--r-pill);
    border:1px solid rgba(255,255,255,.28);
    font-size:13px;
    color:rgba(255,255,255,.86);
  }

  /* ============ 页脚 ============ */
  .site-footer{
    margin-top:var(--sec-y);
    background:var(--brand-900);
    color:rgba(255,255,255,.78);
    padding:56px 0 28px;
    border-top:1px solid rgba(255,255,255,.08);
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1fr;
    gap:40px;
    padding-bottom:32px;
    border-bottom:1px solid rgba(255,255,255,.12);
  }
  .footer-logo{
    font-size:19px;
    font-weight:800;
    color:#fff;
    margin-bottom:12px;
  }
  .footer-logo .kw{color:var(--brand-300);}
  .footer-about{
    font-size:14px;
    line-height:1.9;
    color:rgba(255,255,255,.62);
    margin:0;
    max-width:26em;
  }
  .footer-col{display:flex;flex-direction:column;}
  .footer-col b{
    display:block;
    color:#fff;
    font-size:15px;
    font-weight:600;
    margin-bottom:14px;
  }
  .footer-col a{
    font-size:14px;
    line-height:2.2;
    color:rgba(255,255,255,.72);
    transition:color .18s ease;
  }
  .footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:4px;}
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    gap:12px;
    padding-top:22px;
    font-size:13.5px;
    color:rgba(255,255,255,.55);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1024px){
    :root{--sec-y:72px;}
    .container{padding:0 28px;}
    .nav-links{gap:22px;}
    .nav-links a{font-size:14px;}
    .hero-inner{grid-template-columns:1fr;gap:36px;padding:44px 32px;}
    .hero-media{order:2;}
    .hero-badge{left:auto;right:16px;bottom:-16px;}
    .steps{grid-template-columns:1fr;gap:18px;}
    .cta-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  }
  @media (max-width:900px){
    .nav-links{display:none;}
    .menu-toggle{display:flex;}
    .header-actions .btn{display:none;}
    .waterfall{column-count:1;}
  }
  @media (max-width:640px){
    :root{--sec-y:56px;}
    body{font-size:16px;line-height:1.85;}
    .container{padding:0 20px;}
    .header-inner{height:60px;}
    .brand{font-size:17px;}
    .hero{margin-top:20px;border-radius:var(--r-lg);}
    .hero-inner{padding:32px 22px;}
    .hero-sub{font-size:16px;}
    .hero-cta .btn{width:100%;}
    .hero-media img{border-radius:var(--r-sm);}
    .hero-badge{padding:10px 16px;}
    .hero-badge .n{font-size:24px;}
    .cta-block{padding:34px 22px;border-radius:var(--r-lg);}
    .cta-actions .btn{width:100%;}
    .footer-grid{grid-template-columns:1fr;gap:26px;}
    .footer-bottom{flex-direction:column;}
    .wm-card{padding:14px;}
    .h-a,.h-c,.h-e{height:190px;}
    .h-b,.h-d,.h-f{height:170px;}
  }