/* roulang page: index */
:root{
  --brand:#0B6E5C;
  --brand-2:#16A37D;
  --accent:#FF7A2F;
  --accent-2:#FFA24D;
  --bg:#F5F7F4;
  --card:#FFFFFF;
  --dark:#0A2420;
  --text:#16211E;
  --text-2:#4A5A55;
  --text-3:#7B8A85;
  --line:rgba(10,36,32,.10);
  --line-brand:rgba(11,110,92,.12);
  --soft:rgba(11,110,92,.10);
  --grad:linear-gradient(120deg,#0B6E5C 0%,#16A37D 100%);
  --grad-cta:linear-gradient(120deg,#FF7A2F 0%,#FFA24D 100%);
  --r-lg:22px;
  --r-md:16px;
  --r-sm:14px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(10,36,32,.06);
  --sh-md:0 8px 24px rgba(10,36,32,.08);
  --sh-lg:0 18px 48px rgba(10,36,32,.12);
  --font:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1280px){.container{padding:0 48px}}
.section{padding:64px 0}
@media(min-width:1024px){.section{padding:96px 0}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";font-weight:600}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background-color .2s ease;
}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 6px 18px rgba(255,122,47,.28)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,122,47,.34)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(255,122,47,.24)}
.btn-ghost{background:#fff;color:var(--brand);border:1.5px solid var(--brand)}
.btn-ghost:hover{background:rgba(11,110,92,.06);transform:translateY(-2px);box-shadow:var(--sh-md)}
.btn-ghost:active{transform:translateY(1px)}
.btn-solid{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(11,110,92,.24)}
.btn-solid:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 12px 28px rgba(11,110,92,.30)}
.btn-ghost-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6)}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14.5px}
.text-link span{transition:transform .2s ease}
.text-link:hover span{transform:translateX(4px)}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);background:var(--soft);color:var(--brand);font-size:13px;font-weight:600;line-height:1.4}
.badge-dark{background:rgba(255,255,255,.14);color:#fff}
.badge-accent{background:rgba(255,122,47,.12);color:#C9540F}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid transparent;transition:box-shadow .2s ease,border-color .2s ease}
.site-header.is-scrolled{box-shadow:var(--sh-md);border-bottom-color:var(--line-brand)}
.nav-wrap{display:flex;align-items:center;gap:18px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad);display:grid;place-items:center;box-shadow:var(--sh-sm);flex:0 0 auto}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.5px;color:var(--text)}
.brand-text em{font-style:normal;font-size:11.5px;font-weight:600;letter-spacing:1.4px;color:var(--brand)}
.nav-search{
  flex:1 1 auto;max-width:520px;min-width:260px;display:flex;align-items:center;gap:8px;
  height:44px;padding:0 6px 0 16px;border-radius:var(--r-pill);
  background:#F2F5F2;border:1px solid var(--line);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(11,110,92,.18)}
.nav-search svg{width:18px;height:18px;flex:0 0 auto;stroke:var(--text-3);fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.nav-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;font-size:14px}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search button{
  height:34px;padding:0 16px;border-radius:var(--r-pill);background:var(--brand);color:#fff;
  font-size:13px;font-weight:600;transition:filter .2s ease;
}
.nav-search button:hover{filter:brightness(1.08)}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{position:relative;padding:10px 12px;font-size:14.5px;font-weight:500;color:var(--text-2);border-radius:10px;white-space:nowrap;transition:color .2s ease,background-color .2s ease}
.nav-links a:hover{color:var(--brand);background:rgba(11,110,92,.06)}
.nav-links a.active{color:var(--brand);font-weight:700}
.nav-links a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--brand)}
.nav-cta{height:42px;padding:0 20px;font-size:14px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;flex:0 0 auto}
.nav-toggle svg{width:20px;height:20px;stroke:var(--text);stroke-width:1.75;stroke-linecap:round;fill:none}
.mobile-drawer{display:none;background:#fff;border-top:1px solid var(--line);padding:16px 0 26px;box-shadow:var(--sh-md)}
.mobile-drawer.open{display:block}
.drawer-search{display:flex;align-items:center;gap:8px;height:46px;padding:0 6px 0 16px;border-radius:var(--r-pill);background:#F2F5F2;border:1px solid var(--line);margin-bottom:16px}
.drawer-search svg{width:18px;height:18px;stroke:var(--text-3);fill:none;stroke-width:1.75;stroke-linecap:round}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px}
.drawer-search button{height:34px;padding:0 16px;border-radius:var(--r-pill);background:var(--brand);color:#fff;font-size:13px;font-weight:600}
.drawer-nav{display:grid;gap:4px;margin-bottom:18px}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;padding:13px 14px;border-radius:var(--r-sm);font-size:15px;color:var(--text-2);background:#F7F9F7}
.drawer-nav a.active{color:var(--brand);font-weight:700;background:rgba(11,110,92,.08)}
.drawer-nav a svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
@media(max-width:1023px){
  .nav-search,.nav-links,.nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .nav-wrap{justify-content:space-between;height:64px}
}
@media(min-width:1024px){.mobile-drawer{display:none !important}}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--grad);color:#fff;padding:56px 0 64px}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.16;
}
.hero::after{
  content:"";position:absolute;top:-24%;right:-8%;width:54%;height:150%;
  background:rgba(255,255,255,.07);transform:skewX(-8deg);pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:40px}
@media(min-width:1024px){.hero-grid{grid-template-columns:1fr 1fr;gap:56px;align-items:center}.hero{padding:76px 0 88px}}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);font-weight:800;line-height:1.22;letter-spacing:.5px;
  text-shadow:0 2px 18px rgba(4,32,26,.20);
}
.hero-sub{margin-top:18px;font-size:clamp(15px,1.6vw,18px);line-height:1.8;color:rgba(255,255,255,.92);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-actions .btn{min-width:150px}
.hero-actions .btn-ghost{background:rgba(255,255,255,.96);border-color:rgba(255,255,255,.96)}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.stat-chip{
  display:inline-flex;align-items:baseline;gap:6px;padding:9px 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.22);
}
.stat-chip b{font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1}
.stat-chip span{font-size:12.5px;color:rgba(255,255,255,.88)}
.hero-card{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-lg);aspect-ratio:16/11;min-height:260px}
.hero-card img{width:100%;height:100%;object-fit:cover}
.hero-card::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,110,92,.80),rgba(22,163,125,.34))}
.hero-float{
  position:absolute;z-index:3;top:18px;left:18px;display:flex;align-items:center;gap:12px;
  padding:12px 18px;border-radius:var(--r-md);background:rgba(255,255,255,.94);box-shadow:var(--sh-md);color:var(--text);
}
.hero-float i{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(255,122,47,.18);flex:0 0 auto}
.hero-float b{font-size:20px;font-variant-numeric:tabular-nums;line-height:1}
.hero-float small{display:block;font-size:12px;color:var(--text-3);line-height:1.4}
.hero-status{
  position:absolute;z-index:3;left:18px;right:18px;bottom:18px;
  display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.94);color:var(--text);box-shadow:var(--sh-md);font-size:13.5px;
}
.hero-status svg{width:18px;height:18px;stroke:var(--brand);fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}

/* ============ 板块标题 ============ */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:34px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1.2px;color:var(--brand);margin-bottom:12px}
.eyebrow::before{content:"";width:3px;height:14px;border-radius:1px;background:var(--brand)}
.section h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.35;letter-spacing:.3px}
.section-desc{margin-top:12px;color:var(--text-2);font-size:16px;max-width:640px}
.rule{height:1px;background:var(--line-brand);margin-top:18px;position:relative}
.rule::after{content:"";position:absolute;left:0;top:-3px;width:3px;height:7px;background:var(--brand)}

/* ============ 痛点 ============ */
.pain-list{display:grid;gap:14px}
.pain-card{
  display:flex;gap:16px;align-items:flex-start;background:var(--card);
  border-left:4px solid var(--brand);border-radius:var(--r-md);
  padding:20px 24px;box-shadow:var(--sh-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.pain-num{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;background:var(--soft);color:var(--brand);
  display:grid;place-items:center;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.pain-card h3{font-size:17px;font-weight:700;margin-bottom:4px}
.pain-card p{font-size:14.5px;color:var(--text-2);line-height:1.75}
@media(min-width:1024px){.pain-list{grid-template-columns:repeat(2,1fr);gap:16px}}

/* ============ 解决方案 ============ */
.solution{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:1024px){
  .solution{grid-template-columns:5fr 7fr;gap:56px;align-items:start}
  .solution-side{position:sticky;top:104px}
}
.timeline{display:grid;gap:0}
.step{position:relative;display:grid;grid-template-columns:44px 1fr;gap:16px;padding-bottom:30px}
.step:last-child{padding-bottom:0}
.step:not(:last-child)::before{content:"";position:absolute;left:21px;top:46px;bottom:0;width:2px;background:rgba(11,110,92,.20)}
.step-num{
  width:44px;height:44px;border-radius:var(--r-sm);background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
  box-shadow:0 6px 16px rgba(11,110,92,.22);
}
.step h3{font-size:18px;font-weight:700;margin-bottom:6px}
.step p{font-size:15px;color:var(--text-2);line-height:1.8;max-width:560px}
.solution-figure{margin-top:32px;border-radius:20px;overflow:hidden;box-shadow:var(--sh-md);aspect-ratio:16/10}
.solution-figure img{width:100%;height:100%;object-fit:cover}

/* ============ 数据带 ============ */
.stats-band{background:var(--dark);color:#fff;padding:56px 0;position:relative;overflow:hidden}
.stats-band::after{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:var(--grad)}
.stats-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:14px;margin-bottom:28px}
.stats-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700}
.stats-head span{font-size:14px;color:rgba(255,255,255,.62)}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media(min-width:1024px){.stats-grid{grid-template-columns:repeat(4,1fr);gap:20px}}
.stat-card{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg);padding:24px}
.stat-card b{display:block;font-size:clamp(32px,4.2vw,50px);font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums}
.stat-card b em{font-style:normal;font-size:15px;font-weight:600;margin-left:4px;color:rgba(255,255,255,.72)}
.stat-card p{margin-top:10px;font-size:13.5px;color:rgba(255,255,255,.70)}

/* ============ 资讯 ============ */
.news-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{
  display:flex;flex-direction:column;background:var(--card);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-sm);transition:transform .2s ease,box-shadow .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.news-card__media{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:#EEF3EF}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-card__media img{transform:scale(1.04)}
.news-card__media .badge{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);color:var(--brand);box-shadow:var(--sh-sm)}
.news-card__body{display:flex;flex-direction:column;flex:1;padding:20px 22px 22px}
.news-card__title{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__title a:hover{color:var(--brand)}
.news-card__desc{
  margin-top:10px;font-size:14.5px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__meta{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.news-card__meta .arrow{color:var(--brand);font-weight:700;transition:transform .2s ease}
.news-card:hover .news-card__meta .arrow{transform:translateX(4px)}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;background:var(--card);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);text-align:center;
}
.empty-state svg{width:44px;height:44px;stroke:var(--text-3);fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{color:var(--text-2);font-size:15px}

/* ============ 证言 ============ */
.voice-track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px;-webkit-overflow-scrolling:touch}
.voice-track::-webkit-scrollbar{height:6px}
.voice-track::-webkit-scrollbar-thumb{background:rgba(11,110,92,.24);border-radius:6px}
@media(min-width:1024px){.voice-track{display:grid;grid-template-columns:repeat(3,1fr);overflow:visible;padding-bottom:0}}
.voice-card{
  position:relative;flex:0 0 84%;min-width:264px;scroll-snap-align:start;
  background:#fff;border-radius:var(--r-lg);padding:26px 24px 24px;box-shadow:var(--sh-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.voice-card::before{content:"";position:absolute;top:0;left:24px;width:44px;height:4px;border-radius:0 0 4px 4px;background:var(--brand)}
.voice-quote{font-size:15px;line-height:1.85;color:var(--text-2);margin-top:8px}
.voice-person{display:flex;align-items:center;gap:12px;margin-top:20px}
.voice-avatar{
  width:44px;height:44px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:16px;font-weight:700;
}
.voice-person b{display:block;font-size:14.5px;font-weight:700;line-height:1.4}
.voice-person small{font-size:12.5px;color:var(--text-3)}
@media(min-width:1024px){.voice-card{flex:1 1 auto;min-width:0}}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid rgba(10,36,32,.10)}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 0;text-align:left;font-size:16.5px;font-weight:600;color:var(--text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-icon{position:relative;flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:var(--soft)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.faq-icon::before{left:6px;right:6px;top:11px;height:2px}
.faq-icon::after{top:6px;bottom:6px;left:11px;width:2px}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-item.open .faq-q{color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a p{padding:0 44px 20px 0;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ============ CTA ============ */
.cta-section{padding:20px 0 72px}
@media(min-width:1024px){.cta-section{padding:16px 0 96px}}
.cta-band{
  position:relative;overflow:hidden;background:var(--grad);color:#fff;
  border-radius:28px;padding:36px 28px;display:grid;gap:24px;
}
.cta-band::after{content:"";position:absolute;top:-40%;right:-10%;width:46%;height:180%;background:rgba(255,255,255,.08);transform:skewX(-8deg)}
@media(min-width:1024px){.cta-band{grid-template-columns:1.5fr 1fr;align-items:center;padding:48px 56px;gap:32px}}
.cta-band h2{position:relative;z-index:2;font-size:clamp(22px,2.8vw,32px);font-weight:700;line-height:1.4}
.cta-band p{position:relative;z-index:2;margin-top:12px;font-size:15px;color:rgba(255,255,255,.88);max-width:520px}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px}
@media(max-width:767px){.cta-actions .btn{width:100%}}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#C6D4D0;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand strong{font-size:17px;font-weight:800;color:#fff;letter-spacing:.5px}
.footer-brand em{display:block;font-style:normal;font-size:11.5px;letter-spacing:1.4px;color:#7FD3BB;font-weight:600}
.site-footer h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-about p{font-size:14px;line-height:1.85;color:#9DB2AC;max-width:340px}
.footer-list{display:grid;gap:10px}
.footer-list a,.footer-list span{font-size:14px;color:#A8BDB7;transition:color .2s ease}
.footer-list a:hover{color:#5AC8A8}
.footer-keywords{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-keywords span{padding:5px 12px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);font-size:12.5px;color:#B9CCC7}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:#8CA09A;
}
.footer-bottom a:hover{color:#5AC8A8}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#A8BDB7;margin-bottom:12px}
.footer-contact svg{width:17px;height:17px;flex:0 0 auto;margin-top:4px;stroke:#5AC8A8;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}

/* ============ 移动端底部快捷条 ============ */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  height:56px;background:#fff;border-top:1px solid var(--line-brand);
  box-shadow:0 -6px 20px rgba(10,36,32,.08);
}
.mobile-bar .container{display:flex;align-items:center;gap:12px;height:100%}
.mobile-bar a{display:flex;align-items:center;justify-content:center;gap:6px;height:42px;border-radius:var(--r-pill);font-size:14px;font-weight:600}
.mobile-bar .bar-cta{flex:1 1 auto;background:var(--grad-cta);color:#fff}
.mobile-bar .bar-search{flex:0 0 46px;border:1.5px solid var(--brand);color:var(--brand)}
.mobile-bar svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
@media(max-width:1023px){
  .mobile-bar{display:block}
  body{padding-bottom:56px}
}

/* roulang page: article */
:root{
  --brand:#0B6E5C;
  --brand-2:#16A37D;
  --accent:#FF7A2F;
  --accent-2:#FFA24D;
  --bg:#F5F7F4;
  --card:#FFFFFF;
  --dark:#0A2420;
  --ink:#16211E;
  --ink-2:#4A5A55;
  --ink-3:#7B8A85;
  --line:rgba(10,36,32,.10);
  --line-2:rgba(10,36,32,.14);
  --brand-soft:rgba(11,110,92,.10);
  --brand-line:rgba(11,110,92,.12);
  --grad:linear-gradient(120deg,#0B6E5C 0%,#16A37D 100%);
  --grad-accent:linear-gradient(120deg,#FF7A2F 0%,#FFA24D 100%);
  --r-lg:22px;
  --r-md:16px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(10,36,32,.06);
  --sh-md:0 8px 24px rgba(10,36,32,.08);
  --sh-lg:0 18px 48px rgba(10,36,32,.12);
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 16px;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1280px){.container{padding:0 48px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-scrolled{
  box-shadow:var(--sh-md);
  border-bottom-color:var(--brand-line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:72px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(11,110,92,.28);
  flex:0 0 auto;
}
.brand-mark svg{width:24px;height:24px}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:17px;font-weight:800;letter-spacing:.5px;color:var(--ink)}
.logo-text em{font-style:normal;font-size:12px;color:var(--brand);letter-spacing:1.6px}
.nav-search{
  position:relative;
  display:flex;align-items:center;
  flex:1 1 42%;
  max-width:520px;
  min-width:240px;
  height:46px;
  background:#F4F7F4;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:0 6px 0 42px;
  transition:box-shadow var(--ease),border-color var(--ease),background var(--ease);
}
.nav-search:focus-within{
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(11,110,92,.18);
}
.nav-search .search-icon{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:20px;height:20px;color:var(--ink-3);
}
.nav-search input{
  flex:1;min-width:0;height:100%;
  border:0;background:transparent;outline:none;
  font-size:14.5px;color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3)}
.search-btn{
  border:0;cursor:pointer;
  height:34px;padding:0 16px;
  border-radius:var(--r-pill);
  background:var(--brand);
  color:#fff;font-size:13.5px;font-weight:600;
  transition:background var(--ease),transform var(--ease);
}
.search-btn:hover{background:#0a6152}
.search-btn:active{transform:translateY(1px)}
.nav-links{
  display:flex;align-items:center;gap:20px;
  flex:0 0 auto;
}
.nav-links a{
  position:relative;
  font-size:14.5px;color:var(--ink-2);
  padding:6px 0;
  transition:color var(--ease);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.header-cta{flex:0 0 auto}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line-2);background:#fff;
  border-radius:12px;cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-panel{
  display:none;
  border-top:1px solid var(--brand-line);
  background:#fff;
  padding:16px 0 20px;
}
.mobile-panel.is-open{display:block}
.mobile-panel .nav-search{max-width:none;margin-bottom:14px}
.mobile-links{display:flex;flex-direction:column;margin-bottom:16px}
.mobile-links a{
  padding:13px 2px;
  border-bottom:1px solid var(--line);
  font-size:15.5px;color:var(--ink-2);
}
.mobile-links a.active{color:var(--brand);font-weight:600}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-accent);color:#fff;
  box-shadow:0 10px 22px rgba(255,122,47,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,122,47,.34);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{
  background:#fff;color:var(--brand);border-color:var(--brand);
}
.btn-outline:hover{transform:translateY(-2px);box-shadow:var(--sh-md);background:#F3FAF7}
.btn-ghost-light{
  background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5);
}
.btn-ghost-light:hover{transform:translateY(-2px);background:rgba(255,255,255,.22)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}

/* ---------- 标签 / 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:600;
}
.badge-light{background:rgba(255,255,255,.16);color:#fff}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);letter-spacing:1px;
}
.eyebrow::before{
  content:"";width:18px;height:1px;background:var(--brand-line);
  box-shadow:0 0 0 1px var(--brand-line);
}
.stat{display:flex;align-items:baseline;gap:4px;font-variant-numeric:tabular-nums}
.stat b{font-size:34px;font-weight:700;line-height:1}
.stat span{font-size:13px;color:var(--ink-3)}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;
  color:#fff;
  background-image:linear-gradient(120deg,rgba(11,110,92,.95) 0%,rgba(22,163,125,.88) 55%,rgba(10,36,32,.92) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover,cover;
  background-position:center,center;
  padding:40px 0 44px;
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;right:-120px;top:-60px;width:420px;height:420px;
  background:rgba(255,255,255,.07);
  transform:rotate(8deg);
  border-radius:32px;
  pointer-events:none;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.78);
  margin-bottom:18px;position:relative;z-index:1;
}
.breadcrumb a{color:rgba(255,255,255,.86)}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.breadcrumb .sep{opacity:.6}
.breadcrumb .current{color:#fff;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero .badge{margin-bottom:16px;position:relative;z-index:1}
.article-hero h1{
  position:relative;z-index:1;
  font-size:clamp(26px,3.4vw,40px);
  font-weight:800;line-height:1.35;
  letter-spacing:.3px;
  max-width:900px;
}
.article-meta{
  position:relative;z-index:1;
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:20px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.22);
  font-size:14px;color:rgba(255,255,255,.82);
  font-variant-numeric:tabular-nums;
}
.article-meta i{font-style:normal;color:rgba(255,255,255,.55);margin-right:6px}

/* ---------- 正文布局 ---------- */
.article-shell{padding:40px 0 24px}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:36px;
}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
}
.article-main{
  background:var(--card);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  padding:26px 22px 30px;
  min-width:0;
}
@media (min-width:768px){.article-main{padding:36px 40px 40px}}
.article-body{
  max-width:760px;
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  overflow-wrap:break-word;
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:24px;font-weight:700;line-height:1.5;
  margin:40px 0 14px;padding-left:14px;
  border-left:4px solid var(--brand);
}
.article-body h3{font-size:20px;font-weight:700;margin:28px 0 12px;color:var(--ink)}
.article-body h4{font-size:17px;font-weight:700;margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:0 0 .5em}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-2)}
.article-body strong{font-weight:700}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;
  background:rgba(11,110,92,.07);
  border-radius:var(--r-md);
  color:var(--ink-2);
}
.article-body img{
  margin:22px auto;border-radius:var(--r-md);
  height:auto;
}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;
  display:block;overflow-x:auto;
  font-size:15px;
}
.article-body th,.article-body td{
  border:1px solid var(--line-2);
  padding:10px 14px;text-align:left;white-space:nowrap;
}
.article-body th{background:#F2F7F4;font-weight:600}
.article-body pre{
  margin:22px 0;padding:16px 18px;
  background:var(--dark);color:#E4F1EC;
  border-radius:var(--r-sm);
  overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.94em}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0}

/* 空态 */
.empty-state{
  text-align:center;
  padding:56px 20px 60px;
  background:#F7FAF8;
  border:1px dashed var(--line-2);
  border-radius:var(--r-lg);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;
  border-radius:16px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand);
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--ink-2);font-size:15px;max-width:460px;margin:0 auto 22px}

/* 标签组 */
.tag-row{
  display:flex;flex-wrap:wrap;gap:10px;
  margin:36px 0 0;padding-top:24px;
  border-top:1px solid var(--line);
}
.tag-row .tag{
  display:inline-flex;align-items:center;
  height:34px;padding:0 14px;
  border-radius:var(--r-pill);
  background:#F2F7F4;color:var(--ink-2);
  font-size:13px;
  transition:background var(--ease),color var(--ease);
}
.tag-row .tag:hover{background:var(--brand-soft);color:var(--brand)}
.tag-row .tag.is-brand{background:var(--brand-soft);color:var(--brand);font-weight:600}

/* 上一篇 / 下一篇 */
.pager{
  display:grid;grid-template-columns:1fr;gap:14px;
  margin-top:28px;
}
@media (min-width:768px){.pager{grid-template-columns:1fr 1fr}}
.pager-card{
  display:flex;flex-direction:column;gap:6px;
  padding:18px 20px;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.pager-card:hover{box-shadow:var(--sh-md);transform:translateY(-4px);border-color:var(--brand-line)}
.pager-card span{font-size:12.5px;color:var(--ink-3);letter-spacing:.6px}
.pager-card strong{font-size:15.5px;font-weight:600;line-height:1.6}
.pager-card.next{text-align:right}
.pager-card.next::after{content:"→";align-self:flex-end;color:var(--brand);font-size:14px}
.pager-card.prev::after{content:"←";color:var(--brand);font-size:14px}

/* 侧栏 */
.article-side{display:flex;flex-direction:column;gap:20px;min-width:0}
@media (min-width:1024px){
  .article-side{position:sticky;top:96px}
}
.side-card{
  background:#fff;border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  padding:22px 20px;
}
.side-card h3{
  font-size:15px;font-weight:700;
  display:flex;align-items:center;gap:8px;
  margin-bottom:14px;
}
.side-card h3::before{
  content:"";width:3px;height:14px;border-radius:2px;background:var(--brand);
}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:280px;overflow:auto}
.toc-list a{
  display:block;font-size:14px;color:var(--ink-2);
  padding:8px 10px;border-radius:10px;
  border-left:2px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.toc-list a:hover{background:#F2F7F4;color:var(--brand);border-left-color:var(--brand)}
.toc-empty{font-size:13.5px;color:var(--ink-3)}
.mini-list{display:flex;flex-direction:column;gap:14px}
.mini-item{display:flex;gap:12px;align-items:flex-start}
.mini-item img{
  width:64px;height:64px;border-radius:12px;object-fit:cover;flex:0 0 auto;
}
.mini-item p{
  font-size:14px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mini-item:hover p{color:var(--brand)}
.mini-item em{font-style:normal;font-size:12.5px;color:var(--ink-3)}
.side-cta{
  background:var(--grad);color:#fff;border-radius:var(--r-lg);
  padding:24px 20px;box-shadow:var(--sh-md);
}
.side-cta strong{display:block;font-size:16.5px;font-weight:700;margin-bottom:8px}
.side-cta p{font-size:13.5px;color:rgba(255,255,255,.85);margin-bottom:16px}

/* ---------- 通用区块 ---------- */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:80px 0}}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:14px;margin-bottom:28px;
}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.4;margin-top:8px}
.section-head p{color:var(--ink-2);font-size:15px;max-width:640px;margin-top:10px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:14.5px;font-weight:600;
}
.link-more::after{content:"→";transition:transform var(--ease)}
.link-more:hover::after{transform:translateX(4px)}

.card-grid{
  display:grid;grid-template-columns:1fr;gap:22px;
}
@media (min-width:768px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.info-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease);
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.info-card .thumb{aspect-ratio:16/9;overflow:hidden}
.info-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease}
.info-card:hover .thumb img{transform:scale(1.04)}
.info-card .card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.info-card h3{font-size:17.5px;font-weight:700;line-height:1.55}
.info-card p{
  font-size:14.5px;color:var(--ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.info-card .card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;
}
.info-card .card-foot em{font-style:normal;color:var(--brand);font-weight:600}

/* CTA 带 */
.cta-band{background:var(--grad);padding:48px 0}
@media (min-width:768px){.cta-band{padding:64px 0}}
.cta-card{
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
  border-radius:28px;
  padding:30px 24px;
  display:grid;gap:22px;align-items:center;
}
@media (min-width:900px){
  .cta-card{grid-template-columns:minmax(0,1fr) auto;padding:38px 40px;gap:32px}
}
.cta-card h2{color:#fff;font-size:clamp(21px,2.4vw,28px);font-weight:700;line-height:1.45}
.cta-card p{color:rgba(255,255,255,.84);font-size:15px;margin-top:10px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:600px){
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:56px 0 24px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800;display:block;line-height:1.2}
.footer-brand em{font-style:normal;font-size:12px;color:var(--brand-2);letter-spacing:1.4px}
.footer-about p{font-size:14.5px;line-height:1.85;max-width:380px}
.footer-keywords{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-keywords span{
  font-size:12.5px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.10);color:rgba(255,255,255,.82);
}
.site-footer h3{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-list{display:flex;flex-direction:column;gap:11px}
.footer-list a{font-size:14.5px;color:rgba(255,255,255,.72);transition:color var(--ease)}
.footer-list a:hover{color:var(--brand-2)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px}
.footer-contact svg{
  width:18px;height:18px;flex:0 0 auto;margin-top:4px;
  fill:none;stroke:var(--brand-2);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;
}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
  font-variant-numeric:tabular-nums;
}

/* 移动端粘性快捷条 */
.mobile-bar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:130;
  height:56px;
  background:#fff;
  border-top:1px solid var(--line);
  box-shadow:0 -8px 24px rgba(10,36,32,.08);
  align-items:center;gap:10px;padding:0 16px;
}
.mobile-bar input{
  flex:1;min-width:0;height:38px;
  border:1px solid var(--line-2);border-radius:var(--r-pill);
  padding:0 16px;font-size:14px;background:#F7FAF8;outline:none;
}
.mobile-bar input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(11,110,92,.16)}
@media (max-width:767px){
  .mobile-bar{display:flex}
  body{padding-bottom:56px}
  .nav-links,.header-cta,.header-inner > .nav-search{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .header-inner{min-height:64px;gap:12px}
}
@media (max-width:520px){
  .logo-text strong{font-size:15.5px}
  .logo-text em{font-size:11px;letter-spacing:1px}
  .article-main{padding:22px 16px 26px}
  .article-body{font-size:16px}
}

/* roulang page: category1 */
:root{
  --primary:#0B6E5C;
  --primary-2:#16A37D;
  --accent:#FF7A2F;
  --accent-2:#FFA24D;
  --bg:#F5F7F4;
  --surface:#FFFFFF;
  --dark:#0A2420;
  --text:#16211E;
  --text-2:#4A5A55;
  --text-3:#7B8A85;
  --line:rgba(10,36,32,.10);
  --line-strong:rgba(10,36,32,.14);
  --primary-soft:rgba(11,110,92,.10);
  --primary-line:rgba(11,110,92,.12);
  --grad-brand:linear-gradient(120deg,#0B6E5C 0%,#16A37D 100%);
  --grad-cta:linear-gradient(120deg,#FF7A2F 0%,#FFA24D 100%);
  --r-lg:22px;
  --r-md:16px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(10,36,32,.06);
  --sh-md:0 8px 24px rgba(10,36,32,.08);
  --sh-lg:0 18px 48px rgba(10,36,32,.12);
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--primary-2)}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
svg{display:block}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums;font-weight:600}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-weight:600;font-size:15px;letter-spacing:.2px;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:var(--sh-sm)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-md);color:#fff}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh-sm)}
.btn-solid{background:var(--primary);color:#fff;box-shadow:var(--sh-sm)}
.btn-solid:hover{background:#0c7d68;transform:translateY(-2px);box-shadow:var(--sh-md);color:#fff}
.btn-solid:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--primary);border:1.5px solid var(--primary)}
.btn-ghost:hover{background:var(--primary-soft);transform:translateY(-2px);box-shadow:var(--sh-sm);color:var(--primary)}
.btn-quiet{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn-quiet:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-2px)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--primary)}
.link-arrow svg{transition:transform .2s ease}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-md);border-bottom-color:var(--primary-line)}
.header-inner{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;flex:0 0 40px;
  box-shadow:0 6px 16px rgba(11,110,92,.28);
}
.brand-mark svg{width:26px;height:26px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.4px;color:var(--text)}
.brand-text em{font-style:normal;font-size:11.5px;letter-spacing:1.4px;color:var(--text-3)}
.brand:hover{color:var(--text)}

.nav-search{position:relative;flex:1 1 auto;max-width:470px;min-width:240px}
.nav-search input{
  width:100%;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--bg);
  padding:0 96px 0 44px;font-size:14.5px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{
  outline:none;background:#fff;border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(11,110,92,.18);
}
.nav-search .search-icon{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:20px;height:20px;stroke:var(--text-3);fill:none;stroke-width:1.75;stroke-linecap:round;pointer-events:none;
}
.nav-search .search-btn{
  position:absolute;right:5px;top:50%;transform:translateY(-50%);
  height:34px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--primary);color:#fff;font-size:13.5px;font-weight:600;
  transition:background-color .2s ease;
}
.nav-search .search-btn:hover{background:var(--primary-2)}

.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav-links a{
  position:relative;font-size:15px;color:var(--text-2);padding:24px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--primary)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--primary)}
.nav-links a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);align-items:center;justify-content:center;background:#fff;
}
.nav-toggle svg{width:22px;height:22px;stroke:var(--text);stroke-width:1.75;fill:none;stroke-linecap:round}

.drawer{
  position:fixed;top:0;right:0;bottom:0;width:330px;max-width:88vw;z-index:120;
  background:#fff;box-shadow:var(--sh-lg);
  transform:translateX(105%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:18px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-head strong{font-size:16px;font-weight:800}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center}
.drawer-close svg{width:20px;height:20px;stroke:var(--text);stroke-width:1.75;fill:none;stroke-linecap:round}
.drawer-search{position:relative;margin-bottom:18px}
.drawer-search input{width:100%;height:48px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--bg);padding:0 20px 0 44px;font-size:15px}
.drawer-search input:focus{outline:none;background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(11,110,92,.18)}
.drawer-search .search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:20px;height:20px;stroke:var(--text-3);fill:none;stroke-width:1.75;stroke-linecap:round}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:auto}
.drawer-nav a{
  display:block;padding:14px 14px;border-radius:var(--r-sm);font-size:16px;color:var(--text-2);
  border-left:3px solid transparent;
}
.drawer-nav a:hover{background:var(--bg);color:var(--primary)}
.drawer-nav a.active{color:var(--primary);background:var(--primary-soft);border-left-color:var(--primary);font-weight:600}
.drawer-foot{margin-top:22px;display:flex;flex-direction:column;gap:10px}
.drawer-mask{position:fixed;inset:0;background:rgba(10,36,32,.42);z-index:110;opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- 页头带 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--grad-brand);color:#fff;padding:40px 0 64px}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.26;mix-blend-mode:luminosity;
}
.page-hero::after{
  content:"";position:absolute;top:-140px;right:-160px;width:520px;height:520px;
  background:rgba(255,255,255,.08);transform:rotate(8deg);border-radius:60px;
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.82);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.92)}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.breadcrumb span.sep{color:rgba(255,255,255,.55)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.hero-copy h1{font-size:clamp(30px,4.6vw,52px);line-height:1.22;font-weight:800;letter-spacing:.5px;margin-bottom:16px}
.hero-copy .lede{font-size:17px;color:rgba(255,255,255,.9);max-width:520px;line-height:1.8}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px}
.hero-tags .tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);color:#fff;font-size:13px;font-weight:600;
}
.hero-tags .tag i{width:6px;height:6px;border-radius:50%;background:var(--accent-2);display:block}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-figure{
  position:relative;border-radius:24px;overflow:hidden;background:#fff;
  box-shadow:var(--sh-lg);border:6px solid rgba(255,255,255,.85);
}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-figure .float-badge{
  position:absolute;left:18px;bottom:18px;
  display:flex;align-items:center;gap:12px;
  background:#fff;border-radius:var(--r-md);padding:12px 16px;box-shadow:var(--sh-md);
}
.hero-figure .float-badge .num{font-size:26px;color:var(--primary);line-height:1}
.hero-figure .float-badge span{font-size:12.5px;color:var(--text-2);line-height:1.4}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0}
.section-alt{background:#fff}
.section-head{max-width:720px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:1.6px;color:var(--primary);
  text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:16px;height:3px;background:var(--primary);border-radius:2px}
.section h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.35;letter-spacing:.3px}
.section .sub{margin-top:14px;font-size:16.5px;color:var(--text-2)}
.prose p{color:var(--text-2);margin-bottom:16px}
.prose p:last-child{margin-bottom:0}
.prose strong{color:var(--text)}

/* 图文混排 */
.split{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.split.rev{grid-template-columns:5fr 7fr}
.figure-card{border-radius:20px;overflow:hidden;box-shadow:var(--sh-md);background:#fff}
.figure-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.figure-card figcaption{font-size:13px;color:var(--text-3);padding:12px 16px;border-top:1px solid var(--line)}

/* 信息卡组 */
.info-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  background:var(--surface);border-radius:var(--r-lg);padding:26px;
  box-shadow:var(--sh-sm);border:1px solid var(--line);
  transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.card p{font-size:15px;color:var(--text-2)}
.card .badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:600;margin-bottom:14px;
}
.card .badge svg{width:14px;height:14px;stroke:var(--primary);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

/* 时间轴步骤 */
.timeline{
  position:relative;max-width:880px;margin:0 auto;padding-left:56px;
}
.timeline::before{
  content:"";position:absolute;left:19px;top:12px;bottom:12px;width:2px;
  background:rgba(11,110,92,.20);
}
.timeline-item{position:relative;padding-bottom:34px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item .step-num{
  position:absolute;left:-56px;top:0;width:40px;height:40px;border-radius:12px;
  background:var(--grad-brand);color:#fff;font-weight:700;font-size:16px;
  display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(11,110,92,.26);
}
.timeline-item .step-body{background:#fff;border-radius:var(--r-lg);padding:22px 24px;border:1px solid var(--line);box-shadow:var(--sh-sm)}
.timeline-item .step-body h3{font-size:19px;font-weight:700;margin-bottom:8px}
.timeline-item .step-body p{font-size:15px;color:var(--text-2)}
.timeline-item .step-body .mini-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.timeline-item .step-body .mini-tags span{
  font-size:12.5px;color:var(--primary);background:var(--primary-soft);
  padding:5px 12px;border-radius:var(--r-pill);font-weight:600;
}

/* 核对清单 */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:32px}
.check-item{
  display:flex;gap:14px;background:#fff;border-radius:var(--r-md);
  padding:20px 22px;border:1px solid var(--line);box-shadow:var(--sh-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.check-item:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.check-item .dot{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;background:var(--primary-soft);
  display:flex;align-items:center;justify-content:center;
}
.check-item .dot svg{width:18px;height:18px;stroke:var(--primary);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.check-item h3{font-size:17px;font-weight:700;margin-bottom:6px}
.check-item p{font-size:14.5px;color:var(--text-2)}

/* 警示块 */
.alert{
  display:flex;gap:14px;align-items:flex-start;
  background:rgba(255,122,47,.08);border-left:4px solid var(--accent);
  border-radius:var(--r-md);padding:20px 22px;margin-top:26px;
}
.alert svg{flex:0 0 22px;width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;margin-top:4px}
.alert strong{display:block;font-size:16px;margin-bottom:4px}
.alert p{font-size:14.5px;color:var(--text-2)}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;min-height:56px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:17px;font-weight:600;padding:16px 0;color:var(--text);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item .plus{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  background:var(--primary-soft);position:relative;transition:transform .2s ease,background-color .2s ease;
}
.faq-item .plus::before,.faq-item .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary);
  transform:translate(-50%,-50%);
}
.faq-item .plus::before{width:12px;height:2px}
.faq-item .plus::after{width:2px;height:12px;transition:opacity .2s ease}
.faq-item[open] .plus{background:var(--primary)}
.faq-item[open] .plus::before,.faq-item[open] .plus::after{background:#fff}
.faq-item[open] .plus::after{opacity:0}
.faq-item .answer{padding:0 44px 20px 0;font-size:15.5px;color:var(--text-2)}

/* 相关链接卡 */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rel-card{
  display:block;background:#fff;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-sm);color:var(--text);
  transition:transform .2s ease,box-shadow .2s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);color:var(--text)}
.rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.rel-card .rel-body{padding:20px 22px 24px}
.rel-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.rel-card p{font-size:14.5px;color:var(--text-2)}
.rel-card .rel-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:600;color:var(--primary)}
.rel-card:hover .rel-more svg{transform:translateX(4px)}
.rel-card .rel-more svg{transition:transform .2s ease}

/* CTA 带 */
.cta-band{background:var(--grad-brand);padding:56px 0}
.cta-card{
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.24);
  border-radius:28px;padding:36px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  color:#fff;backdrop-filter:saturate(1.1);
}
.cta-card h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin-bottom:10px;color:#fff}
.cta-card p{font-size:15.5px;color:rgba(255,255,255,.86);max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}

/* 深色摘要带 */
.dark-strip{background:var(--dark);color:#fff;border-radius:24px;padding:32px 34px;display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.dark-strip .item strong{display:block;font-size:30px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.1;margin-bottom:6px}
.dark-strip .item span{font-size:14px;color:rgba(255,255,255,.72)}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;flex:0 0 40px;
}
.footer-brand .brand-mark svg{width:26px;height:26px}
.footer-brand strong{display:block;color:#fff;font-size:17px;font-weight:800;line-height:1.2}
.footer-brand em{font-style:normal;font-size:11.5px;letter-spacing:1.4px;color:rgba(255,255,255,.6)}
.footer-about p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.7)}
.footer-keywords{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-keywords span{
  font-size:12.5px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);color:rgba(255,255,255,.86);
}
.site-footer h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a{font-size:14.5px;color:rgba(255,255,255,.74)}
.footer-list a:hover{color:#5FD3B2}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(255,255,255,.74)}
.footer-contact svg{flex:0 0 20px;width:20px;height:20px;stroke:rgba(255,255,255,.6);fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;margin-top:4px}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* 移动端吸底 */
.sticky-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;height:56px;
  background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(10,36,32,.08);
  padding:0 14px;align-items:center;gap:12px;
}
.sticky-bar .btn{height:42px;flex:1;font-size:14px}
.sticky-bar .icon-btn{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
}
.sticky-bar .icon-btn svg{width:20px;height:20px;stroke:var(--primary);fill:none;stroke-width:1.75;stroke-linecap:round}

/* ---------- 响应式 ---------- */
@media (max-width:1120px){
  .nav-links{gap:16px}
  .nav-links a{font-size:14.5px}
  .nav-search{max-width:380px;min-width:200px}
}
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-toggle{display:flex}
  .header-actions{margin-left:auto}
  .section{padding:56px 0}
  .split,.split.rev{grid-template-columns:1fr;gap:30px}
  .info-cards{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .dark-strip{grid-template-columns:repeat(3,1fr);gap:18px}
  .page-hero{padding:34px 0 50px}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .container{padding:0 20px}
  .header-inner{height:64px;gap:12px}
  .brand-text strong{font-size:16px}
  .brand-text em{font-size:11px;letter-spacing:1.1px}
  .hero-grid{grid-template-columns:1fr;gap:26px}
  .hero-copy .lede{max-width:100%}
  .hero-cta .btn{flex:1 1 100%}
  .section{padding:48px 0}
  .check-grid{grid-template-columns:1fr}
  .info-cards{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .dark-strip{grid-template-columns:repeat(2,1fr);padding:26px 22px}
  .timeline{padding-left:46px}
  .timeline::before{left:15px}
  .timeline-item .step-num{left:-46px;width:34px;height:34px;font-size:14px;border-radius:10px}
  .cta-card{flex-direction:column;align-items:stretch;padding:26px}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .sticky-bar{display:flex}
  .site-footer{padding-bottom:56px}
}
@media (max-width:480px){
  .hero-copy h1{font-size:29px}
  .section h2{font-size:23px}
  .card{padding:20px}
  .timeline-item .step-body{padding:18px 18px}
  .faq-item .answer{padding-right:0}
}

/* roulang page: category3 */
:root{
  --brand:#0B6E5C;
  --brand-2:#16A37D;
  --accent:#FF7A2F;
  --accent-2:#FFA24D;
  --bg:#F5F7F4;
  --card:#FFFFFF;
  --dark:#0A2420;
  --ink:#16211E;
  --ink-2:#4A5A55;
  --ink-3:#7B8A85;
  --line:rgba(10,36,32,.10);
  --line-brand:rgba(11,110,92,.12);
  --grad-brand:linear-gradient(120deg,#0B6E5C 0%,#16A37D 100%);
  --grad-cta:linear-gradient(120deg,#FF7A2F 0%,#FFA24D 100%);
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(10,36,32,.06);
  --sh-md:0 8px 24px rgba(10,36,32,.08);
  --sh-lg:0 18px 48px rgba(10,36,32,.12);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--brand-2);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,button,textarea,select{font:inherit;color:inherit;}
svg{display:block;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){ .container{padding:0 32px;} }
@media (min-width:1280px){ .container{padding:0 48px;} }

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.scrolled{
  box-shadow:var(--sh-md);
  border-bottom-color:var(--line-brand);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink);
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:38px;height:38px;
  border-radius:12px;
  background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-sm);
  flex:0 0 auto;
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.2px;}
.brand-text em{
  font-style:normal;
  font-size:12px;
  color:var(--brand);
  letter-spacing:1.4px;
  font-weight:600;
}
.nav-search{
  position:relative;
  flex:1 1 44%;
  min-width:260px;
  max-width:520px;
  margin:0 auto;
  display:flex;
  align-items:center;
  background:#F2F6F3;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:4px 4px 4px 42px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search:focus-within{
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(11,110,92,.18);
}
.nav-search .search-icon{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;stroke:var(--ink-3);fill:none;stroke-width:1.75;
  stroke-linecap:round;stroke-linejoin:round;
}
.nav-search input{
  flex:1;
  border:0;background:transparent;outline:none;
  height:38px;
  font-size:14px;
  color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search button{
  border:0;
  border-radius:var(--r-pill);
  background:var(--brand);
  color:#fff;
  font-size:13px;
  font-weight:600;
  padding:0 18px;
  height:38px;
  transition:background .2s ease,transform .2s ease;
}
.nav-search button:hover{background:var(--brand-2);transform:translateY(-1px);}
.nav-search button:active{transform:translateY(0);}

.nav-links{
  display:none;
  align-items:center;
  gap:22px;
  flex:0 0 auto;
}
.nav-links a{
  position:relative;
  font-size:14.5px;
  font-weight:600;
  color:var(--ink-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-2px;
  height:2px;border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--brand);}
.nav-links a.active::after{transform:scaleX(1);}

.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.menu-toggle{
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  display:flex;align-items:center;justify-content:center;
  transition:border-color .2s ease,background .2s ease;
}
.menu-toggle:hover{border-color:var(--brand);background:#F2F6F3;}
.menu-toggle svg{width:22px;height:22px;stroke:var(--ink);fill:none;stroke-width:1.9;stroke-linecap:round;}

.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:16px 20px 24px;
  box-shadow:var(--sh-md);
}
.mobile-drawer.open{display:block;}
.mobile-drawer .drawer-search{
  display:flex;align-items:center;gap:8px;
  background:#F2F6F3;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:0 6px 0 16px;
  margin-bottom:16px;
}
.mobile-drawer .drawer-search input{
  flex:1;border:0;background:transparent;outline:none;height:46px;font-size:14px;
}
.mobile-drawer .drawer-search button{
  border:0;border-radius:var(--r-pill);background:var(--brand);color:#fff;
  font-size:13px;font-weight:600;height:38px;padding:0 16px;
}
.drawer-links{display:flex;flex-direction:column;}
.drawer-links a{
  padding:14px 2px;
  font-size:15.5px;
  font-weight:600;
  color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.drawer-links a.active{color:var(--brand);}
.mobile-drawer .btn{width:100%;margin-top:18px;}

@media (min-width:1024px){
  .nav-links{display:flex;}
  .menu-toggle{display:none;}
  .mobile-drawer{display:none !important;}
}
@media (max-width:1023px){
  .header-inner{height:64px;gap:12px;}
  .nav-search{display:none;}
}
@media (max-width:520px){
  .brand-text strong{font-size:15.5px;}
  .brand-text em{font-size:11px;letter-spacing:1px;}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.2px;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-cta);
  color:#fff;
  box-shadow:0 8px 20px rgba(255,122,47,.28);
}
.btn-primary:hover{
  color:#fff;
  filter:brightness(1.06);
  transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(255,122,47,.34);
}
.btn-primary:active{transform:translateY(-1px);}
.btn-solid{
  background:var(--brand);
  color:#fff;
  box-shadow:0 8px 20px rgba(11,110,92,.22);
}
.btn-solid:hover{
  color:#fff;
  background:var(--brand-2);
  transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(11,110,92,.28);
}
.btn-ghost{
  background:#fff;
  color:var(--brand);
  border-color:var(--brand);
}
.btn-ghost:hover{
  color:var(--brand);
  background:rgba(11,110,92,.07);
  transform:translateY(-2px);
}
.btn-light{
  background:rgba(255,255,255,.14);
  color:#fff;
  border-color:rgba(255,255,255,.4);
}
.btn-light:hover{
  color:#fff;
  background:rgba(255,255,255,.22);
  transform:translateY(-2px);
}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}

.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:600;font-size:14.5px;color:var(--brand);
}
.text-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease;}
.text-link:hover svg{transform:translateX(4px);}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(11,110,92,.10);
  color:var(--brand);
  font-size:13px;
  font-weight:600;
  line-height:1.4;
}
.badge svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.badge-accent{background:rgba(255,122,47,.13);color:#D9551A;}
.badge-light{background:rgba(255,255,255,.16);color:#fff;}
.dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(255,122,47,.18);
  flex:0 0 auto;
}

/* ---------- Section basics ---------- */
.section{padding:64px 0;}
@media (min-width:1024px){ .section{padding:96px 0;} }
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
  line-height:1.35;
  letter-spacing:-.2px;
}
.section-head p{
  margin-top:12px;
  color:var(--ink-2);
  font-size:16px;
}
.kicker{
  display:flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;letter-spacing:1.6px;
  color:var(--brand);
  margin-bottom:14px;
  text-transform:uppercase;
}
.kicker::before{
  content:"";
  width:3px;height:14px;border-radius:2px;background:var(--brand);
}
.kicker::after{
  content:"";
  flex:0 0 56px;height:1px;
  background:rgba(11,110,92,.28);
}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--dark);
  color:#fff;
  padding:56px 0 64px;
  isolation:isolate;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.30;
  z-index:-2;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(11,110,92,.94) 0%,rgba(22,163,125,.74) 62%,rgba(10,36,32,.86) 100%);
  z-index:-1;
}
.page-hero .breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.78);
  margin-bottom:20px;
}
.page-hero .breadcrumb a{color:rgba(255,255,255,.86);}
.page-hero .breadcrumb a:hover{color:#fff;text-decoration:underline;}
.page-hero .breadcrumb .sep{color:rgba(255,255,255,.5);}
.page-hero h1{
  font-size:clamp(30px,4.6vw,52px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.5px;
  max-width:16em;
}
.page-hero .hero-lead{
  margin-top:16px;
  max-width:660px;
  font-size:16.5px;
  color:rgba(255,255,255,.88);
}
.page-hero .hero-meta{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:26px;
}
@media (min-width:1024px){ .page-hero{padding:72px 0 84px;} }

/* ---------- Split media ---------- */
.split-57{
  display:grid;
  gap:32px;
  align-items:start;
}
@media (min-width:1024px){
  .split-57{grid-template-columns:5fr 7fr;gap:56px;}
}
.media-card{
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--sh-md);
  background:#fff;
  border:1px solid var(--line);
}
.media-frame{
  position:relative;
  width:100%;
  aspect-ratio:16 / 10;
  overflow:hidden;
  background:#E7EEEA;
}
.media-frame img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.media-card:hover .media-frame img{transform:scale(1.04);}
.media-caption{
  padding:14px 18px;
  font-size:13px;
  color:var(--ink-3);
  border-top:1px solid var(--line);
}
.body-copy p + p{margin-top:16px;}
.body-copy p{color:var(--ink-2);}
.body-copy strong{color:var(--ink);font-weight:700;}
.body-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.body-list li{
  display:flex;gap:12px;
  padding:14px 16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-sm);
  font-size:15.5px;
  color:var(--ink-2);
}
.body-list li svg{
  width:20px;height:20px;flex:0 0 auto;margin-top:4px;
  stroke:var(--brand);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;
}

/* ---------- Feature grid 2x2 ---------- */
.grid-2x2{
  display:grid;
  gap:20px;
  grid-template-columns:1fr;
}
@media (min-width:768px){ .grid-2x2{grid-template-columns:repeat(2,1fr);gap:24px;} }
.feature-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px 24px;
  box-shadow:var(--sh-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  overflow:hidden;
}
.feature-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:var(--grad-brand);
  opacity:.85;
}
.feature-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-md);
  border-color:var(--line-brand);
}
.feature-card .fc-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:16px;
}
.feature-card .fc-icon{
  width:44px;height:44px;
  border-radius:14px;
  background:rgba(11,110,92,.10);
  display:flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.feature-card .fc-icon svg{
  width:22px;height:22px;
  stroke:var(--brand);fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;
}
.feature-card h3{font-size:20px;font-weight:700;margin-bottom:10px;}
.feature-card p{font-size:15.5px;color:var(--ink-2);}
.feature-card .fc-foot{
  margin-top:18px;
  padding-top:16px;
  border-top:1px dashed var(--line);
  font-size:13.5px;
  color:var(--ink-3);
  display:flex;
  align-items:center;
  gap:8px;
}

/* ---------- Dark data band ---------- */
.data-band{
  background:var(--dark);
  color:#fff;
  padding:56px 0;
  position:relative;
  overflow:hidden;
}
.data-band::before{
  content:"";
  position:absolute;
  top:-40%;right:-10%;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(22,163,125,.30) 0%,rgba(22,163,125,0) 68%);
  pointer-events:none;
}
.data-band .band-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;
  margin-bottom:32px;
}
.data-band h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  line-height:1.35;
  max-width:22em;
}
.data-band .band-sub{
  font-size:14.5px;
  color:rgba(255,255,255,.7);
  margin-top:10px;
  max-width:640px;
}
.data-grid{
  display:grid;
  gap:16px;
  grid-template-columns:repeat(2,1fr);
}
@media (min-width:900px){ .data-grid{grid-template-columns:repeat(4,1fr);gap:20px;} }
.data-item{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-lg);
  padding:22px 20px;
  transition:background .2s ease,transform .2s ease;
}
.data-item:hover{background:rgba(255,255,255,.12);transform:translateY(-4px);}
.data-item .num{
  font-size:clamp(30px,4vw,44px);
  font-weight:700;
  line-height:1.1;
  letter-spacing:-.5px;
  font-variant-numeric:tabular-nums;
  display:flex;align-items:baseline;gap:4px;
}
.data-item .num em{
  font-style:normal;
  font-size:15px;
  font-weight:600;
  color:rgba(255,255,255,.72);
}
.data-item .label{
  margin-top:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.74);
}
.data-note{
  margin-top:26px;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13.5px;
  color:rgba(255,255,255,.72);
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:18px;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  border-bottom:1px solid var(--line);
  background:transparent;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  min-height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 4px;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item summary .plus{
  position:relative;
  width:22px;height:22px;
  flex:0 0 auto;
  border-radius:50%;
  background:rgba(11,110,92,.10);
  transition:background .2s ease;
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";
  position:absolute;
  background:var(--brand);
  border-radius:2px;
  transition:transform .22s ease,opacity .22s ease;
}
.faq-item summary .plus::before{left:6px;top:10px;width:10px;height:2px;}
.faq-item summary .plus::after{left:10px;top:6px;width:2px;height:10px;}
.faq-item[open] summary .plus{background:rgba(255,122,47,.16);}
.faq-item[open] summary .plus::before{background:var(--accent);}
.faq-item[open] summary .plus::after{opacity:0;transform:scaleY(.4);}
.faq-item .faq-body{
  padding:0 4px 20px;
  color:var(--ink-2);
  font-size:15.5px;
  max-width:74ch;
}

/* ---------- Related cards ---------- */
.card-grid{
  display:grid;
  gap:20px;
  grid-template-columns:1fr;
}
@media (min-width:768px){ .card-grid{grid-template-columns:repeat(2,1fr);gap:24px;} }
@media (min-width:1024px){ .card-grid{grid-template-columns:repeat(3,1fr);} }
.related-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:transform .2s ease,box-shadow .2s ease;
  color:var(--ink);
}
.related-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-md);
  color:var(--ink);
}
.related-card .rc-media{
  position:relative;
  aspect-ratio:16 / 9;
  overflow:hidden;
  background:#E7EEEA;
}
.related-card .rc-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.related-card:hover .rc-media img{transform:scale(1.05);}
.related-card .rc-media .badge{
  position:absolute;top:12px;left:12px;
  background:rgba(255,255,255,.92);
  color:var(--brand);
  backdrop-filter:blur(2px);
}
.related-card .rc-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.related-card h3{font-size:18.5px;font-weight:700;line-height:1.5;}
.related-card p{margin-top:10px;font-size:15px;color:var(--ink-2);}
.related-card .rc-foot{
  margin-top:auto;
  padding-top:18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13.5px;
  color:var(--ink-3);
}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--grad-brand);
  padding:48px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-80px;bottom:-120px;
  width:320px;height:320px;
  border-radius:28px;
  background:rgba(255,255,255,.08);
  transform:rotate(8deg);
  pointer-events:none;
}
.cta-card{
  position:relative;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.22);
  border-radius:28px;
  padding:32px 28px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  color:#fff;
}
.cta-card h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  line-height:1.35;
}
.cta-card p{
  margin-top:10px;
  font-size:15px;
  color:rgba(255,255,255,.85);
  max-width:520px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (max-width:640px){
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.74);
  padding:56px 0 0;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  gap:36px;
  grid-template-columns:1fr;
  padding-bottom:40px;
}
@media (min-width:768px){ .footer-grid{grid-template-columns:repeat(2,1fr);} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;} }
.footer-brand{
  display:flex;align-items:center;gap:12px;
  margin-bottom:16px;
}
.footer-brand strong{display:block;font-size:16.5px;color:#fff;font-weight:800;}
.footer-brand em{
  display:block;
  font-style:normal;
  font-size:12px;
  letter-spacing:1.4px;
  color:var(--brand-2);
  font-weight:600;
}
.footer-about p{max-width:38ch;line-height:1.8;}
.footer-keywords{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;
}
.footer-keywords span{
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  font-size:12.5px;
  color:rgba(255,255,255,.82);
}
.site-footer h3{
  font-size:14.5px;
  color:#fff;
  font-weight:700;
  margin-bottom:16px;
  letter-spacing:.4px;
}
.footer-list{display:flex;flex-direction:column;gap:11px;}
.footer-list a{color:rgba(255,255,255,.74);font-size:14.5px;}
.footer-list a:hover{color:var(--brand-2);}
.footer-contact{display:flex;flex-direction:column;gap:14px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.7;}
.footer-contact svg{
  width:18px;height:18px;flex:0 0 auto;margin-top:5px;
  stroke:var(--brand-2);fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 20px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* roulang page: category2 */
:root{
  --brand:#0B6E5C;
  --brand-2:#16A37D;
  --brand-soft:rgba(11,110,92,.10);
  --brand-line:rgba(11,110,92,.14);
  --accent:#FF7A2F;
  --accent-2:#FFA24D;
  --accent-deep:#B84D12;
  --bg:#F5F7F4;
  --card:#FFFFFF;
  --dark:#0A2420;
  --text:#16211E;
  --muted:#4A5A55;
  --sub:#7B8A85;
  --line:rgba(10,36,32,.10);
  --line-strong:rgba(10,36,32,.14);
  --grad:linear-gradient(120deg,#0B6E5C 0%,#16A37D 100%);
  --grad-cta:linear-gradient(120deg,#FF7A2F 0%,#FFA24D 100%);
  --grad-dark:linear-gradient(120deg,#0A2420 0%,#0B3B33 100%);
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(10,36,32,.06);
  --shadow-md:0 8px 24px rgba(10,36,32,.08);
  --shadow-lg:0 18px 48px rgba(10,36,32,.12);
  --nav-h:72px;
  --font:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-2);}
h1,h2,h3,h4,p,figure,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
svg{display:block;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 32px;}}
@media (min-width:1280px){.container{padding:0 48px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1.5px solid transparent;text-decoration:none;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,filter .2s ease,color .2s ease;
}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 8px 20px rgba(255,122,47,.28);}
.btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,122,47,.34);}
.btn-primary:active{transform:translateY(-1px);box-shadow:0 6px 14px rgba(255,122,47,.28);}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-light{background:#fff;color:var(--brand);box-shadow:var(--shadow-sm);}
.btn-light:hover{color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.40);}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:600;line-height:1.4;
}
.badge svg{width:14px;height:14px;stroke:currentColor;stroke-width:1.75;fill:none;}
.badge-dark{background:rgba(255,255,255,.14);color:#fff;}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.16);color:#fff;font-size:12.5px;font-weight:500;
  border:1px solid rgba(255,255,255,.26);
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-md);border-bottom-color:var(--brand-line);}
.header-inner{display:flex;align-items:center;gap:22px;min-height:var(--nav-h);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:40px;height:40px;border-radius:13px;background:var(--grad);
  display:grid;place-items:center;box-shadow:0 6px 16px rgba(11,110,92,.26);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.02em;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--sub);letter-spacing:.08em;}
.search{
  position:relative;flex:1 1 320px;max-width:520px;min-width:260px;
}
.search input{
  width:100%;height:46px;border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);background:#fff;
  padding:0 108px 0 46px;font-size:15px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search input::placeholder{color:var(--sub);}
.search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(11,110,92,.18);}
.search .search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);pointer-events:none;}
.search .search-icon svg{width:20px;height:20px;stroke:var(--sub);stroke-width:1.75;fill:none;}
.search button{
  position:absolute;right:5px;top:5px;height:36px;padding:0 18px;
  border:0;border-radius:var(--radius-pill);background:var(--brand);color:#fff;
  font-size:14px;font-weight:600;transition:background .2s ease,transform .2s ease;
}
.search button:hover{background:var(--brand-2);}
.search button:active{transform:scale(.97);}
.nav-links{display:flex;align-items:center;gap:22px;flex:0 0 auto;}
.nav-links a{
  position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--muted);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--brand);font-weight:700;}
.nav-links a.active::after{transform:scaleX(1);}
.header-cta{flex:0 0 auto;height:44px;padding:0 22px;}
.menu-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  background:#fff;border:1px solid var(--line-strong);border-radius:12px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .22s ease,opacity .22s ease;}
.menu-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle.is-active span:nth-child(2){opacity:0;}
.menu-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,36,32,.45);z-index:80;
  opacity:0;pointer-events:none;transition:opacity .26s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.mobile-drawer{
  position:fixed;top:0;right:0;z-index:90;height:100%;width:min(88vw,360px);
  background:#fff;box-shadow:var(--shadow-lg);padding:20px 20px 28px;
  overflow-y:auto;transform:translateX(105%);transition:transform .28s ease;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-search{margin-bottom:22px;min-width:0;max-width:none;flex:none;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:var(--radius-sm);
  font-size:15.5px;font-weight:600;color:var(--muted);background:#F7F9F7;
}
.drawer-nav a.active{color:var(--brand);background:var(--brand-soft);}
.drawer-nav a span{color:var(--sub);font-size:13px;font-weight:500;}
.drawer-cta{width:100%;}

/* ---------- 头图带 ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:
    linear-gradient(120deg,rgba(10,36,32,.88) 0%,rgba(11,110,92,.90) 52%,rgba(22,163,125,.86) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:56px 0 64px;
}
.page-hero::after{
  content:"";position:absolute;right:-14%;bottom:-70%;width:52%;height:180%;
  background:rgba(255,255,255,.07);transform:rotate(8deg);pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .sep{color:rgba(255,255,255,.5);}
.breadcrumb .current{color:#fff;font-weight:600;}
.page-hero h1{
  font-size:clamp(30px,4.6vw,50px);font-weight:800;line-height:1.24;
  letter-spacing:.01em;max-width:18em;
}
.page-hero .hero-lead{
  margin-top:14px;font-size:clamp(15.5px,1.8vw,18px);
  color:rgba(255,255,255,.88);max-width:34em;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0;}
@media (min-width:768px){.section{padding:96px 0;}}
.section-alt{background:#fff;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--brand);
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:3px;height:13px;border-radius:2px;background:var(--brand);}
.eyebrow::after{content:"";width:32px;height:1px;background:var(--brand-line);}
.section-head h2{
  font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.35;color:var(--text);
}
.section-head p{margin-top:14px;color:var(--muted);font-size:16.5px;}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start;}
.split.reverse{grid-template-columns:5fr 7fr;}
.split-body p{margin-top:16px;color:var(--muted);}
.split-body p:first-of-type{margin-top:22px;}
.split-media{margin:0;}
.split-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:20px;
  box-shadow:var(--shadow-md);
}
.split-media figcaption{margin-top:12px;font-size:13px;color:var(--sub);line-height:1.7;}
.check-list{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:16px 18px;background:#fff;border-radius:var(--radius-md);
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  font-size:15.5px;color:var(--muted);
}
.check-list li strong{color:var(--text);font-weight:700;}
.check-list .dot{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:700;
  display:grid;place-items:center;margin-top:4px;
}

/* ---------- 要点卡 ---------- */
.key-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.key-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.key-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.key-card h3{font-size:19px;font-weight:700;margin-top:16px;}
.key-card p{margin-top:10px;color:var(--muted);font-size:15.5px;}
.key-ico{
  width:44px;height:44px;border-radius:14px;background:var(--brand-soft);
  display:grid;place-items:center;
}
.key-ico svg{width:22px;height:22px;stroke:var(--brand);stroke-width:1.75;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.alert-box{
  margin-top:28px;background:rgba(255,122,47,.08);
  border-left:4px solid var(--accent);border-radius:16px;
  padding:22px 26px;
}
.alert-box h3{font-size:18px;font-weight:700;color:var(--accent-deep);}
.alert-box p{margin-top:8px;color:var(--muted);font-size:15.5px;}

/* ---------- 数据带 ---------- */
.stat-band{background:var(--grad-dark);padding:56px 0;color:#fff;}
@media (min-width:768px){.stat-band{padding:72px 0;}}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:20px;padding:24px 22px;
}
.stat-value{
  font-size:clamp(30px,4vw,46px);font-weight:700;line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.stat-value small{font-size:15px;font-weight:600;margin-left:6px;color:rgba(255,255,255,.82);}
.stat-label{margin-top:8px;font-size:14px;color:rgba(255,255,255,.72);}
.stat-note{margin-top:24px;font-size:14px;color:rgba(255,255,255,.62);}

/* ---------- 相关链接卡 ---------- */
.link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.link-card{
  display:flex;flex-direction:column;gap:14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-sm);color:var(--text);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.link-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-line);color:var(--text);}
.link-card.is-hit{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,122,47,.18),var(--shadow-md);}
.link-card h3{font-size:19px;font-weight:700;}
.link-card p{color:var(--muted);font-size:15.5px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:auto;
  font-size:14.5px;font-weight:600;color:var(--brand);
}
.link-more svg{width:16px;height:16px;stroke:currentColor;stroke-width:2;fill:none;transition:transform .2s ease;}
.link-card:hover .link-more svg{transform:translateX(4px);}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:16px 4px;background:none;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;}
.faq-icon{position:relative;flex:0 0 auto;width:24px;height:24px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{width:13px;height:2px;}
.faq-icon::after{width:2px;height:13px;}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-a p{padding:0 4px 20px;color:var(--muted);font-size:15.5px;max-width:60em;}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--grad);padding:56px 0;}
@media (min-width:768px){.cta-band{padding:64px 0;}}
.cta-card{
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.24);
  border-radius:28px;padding:32px 28px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-card h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.4;}
.cta-card p{margin-top:10px;color:rgba(255,255,255,.86);font-size:15.5px;max-width:34em;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;}
.footer-brand .brand-mark{width:40px;height:40px;box-shadow:none;}
.footer-brand strong{display:block;font-size:17px;font-weight:800;color:#fff;}
.footer-brand em{font-style:normal;display:block;font-size:11.5px;color:rgba(255,255,255,.6);letter-spacing:.08em;}
.footer-about p{margin-top:16px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.68);}
.footer-keywords{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-keywords span{
  padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  font-size:12.5px;color:rgba(255,255,255,.78);
}
.site-footer h3{font-size:15.5px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-list{display:flex;flex-direction:column;gap:11px;}
.footer-list a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-list a:hover{color:#57D6AE;}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.72);}
.footer-contact svg{width:18px;height:18px;flex:0 0 auto;margin-top:4px;stroke:var(--brand-2);stroke-width:1.75;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 移动快捷条 ---------- */
.quickbar{display:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .header-inner{flex-wrap:wrap;padding:12px 0;row-gap:12px;min-height:0;}
  .nav-links{display:none;}
  .header-cta{display:none;}
  .menu-toggle{display:inline-flex;}
  .search{order:5;flex:1 1 100%;max-width:none;min-width:0;}
  .search input{height:44px;}
  .split,.split.reverse{grid-template-columns:1fr;gap:32px;}
  .split.media-first .split-media{order:-1;}
  .key-grid{grid-template-columns:repeat(2,1fr);}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .link-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:768px){
  body{font-size:16px;padding-bottom:72px;}
  .section{padding:56px 0;}
  .page-hero{padding:40px 0 52px;}
  .key-grid,.link-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .stat-item{padding:20px 16px;}
  .cta-card{padding:26px 20px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .quickbar{
    display:flex;gap:12px;position:fixed;left:0;right:0;bottom:0;z-index:60;
    padding:8px 16px;background:#fff;border-top:1px solid var(--line);
    box-shadow:0 -6px 18px rgba(10,36,32,.08);
  }
  .quickbar .btn{flex:1 1 0;height:44px;padding:0 14px;font-size:14.5px;}
}
@media (max-width:520px){
  .brand-text strong{font-size:16px;}
  .brand-mark{width:36px;height:36px;border-radius:12px;}
  .search button{padding:0 14px;}
  .page-hero h1{font-size:27px;}
  .stat-value{font-size:30px;}
  .faq-q{font-size:16px;}
}