/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --c-brand:#0E3B34;
  --c-brand-deep:#082722;
  --c-jade:#2F7A6B;
  --c-accent:#D96A33;
  --c-accent-deep:#BD5626;
  --c-bg:#F5F3EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEDE6;
  --c-line:#E4DFD5;
  --c-text:#22302C;
  --c-text-2:#5F6E68;
  --c-text-3:#8A9691;
  --c-error:#C0453C;

  --radius-card:14px;
  --radius-btn:8px;
  --radius-img:12px;
  --radius-pill:999px;

  --shadow-1:0 1px 2px rgba(14,59,52,.06);
  --shadow-2:0 10px 24px rgba(14,59,52,.10);

  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px;
  --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:88px;

  --container:1200px;
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.9;
  color:var(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
}
body.is-locked{overflow:hidden}
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:inherit;text-decoration:none;transition:color .2s ease}
a:visited{color:inherit}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input{font:inherit;color:inherit}
svg{display:block}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
::selection{background:rgba(217,106,51,.22)}

/* ============ 容器与板块 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-dark{background:var(--c-brand-deep);color:#E8EFEC}
[data-anchor]{scroll-margin-top:96px}

.eyebrow{
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--c-jade);
  margin-bottom:12px;
}
.section-title{
  font-size:28px;
  font-weight:600;
  letter-spacing:.02em;
  line-height:1.4;
}
.section-desc{color:var(--c-text-2);font-size:16px;max-width:44ch;margin-top:12px}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:40px;flex-wrap:wrap;
}
.title-line{position:relative;padding-left:18px}
.title-line::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;
  width:3px;background:var(--c-brand);border-radius:2px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;letter-spacing:.02em;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-brand);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--c-brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:var(--shadow-1)}
.btn-accent:hover{background:var(--c-accent-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);color:#fff}
.btn-ghost{
  border:1.5px solid rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.04);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}
.btn-outline{border:1.5px solid var(--c-brand);color:var(--c-brand);background:transparent}
.btn-outline:hover{background:rgba(14,59,52,.08);color:var(--c-brand)}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-brand);font-size:15px;font-weight:500;
}
.btn-text .arrow{transition:transform .2s ease}
.btn-text:hover{color:var(--c-accent)}
.btn-text:hover .arrow{transform:translateX(3px)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--radius-pill);
  background:rgba(47,122,107,.10);color:var(--c-jade);
  font-size:12px;font-weight:500;letter-spacing:.02em;white-space:nowrap;
}
.num-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:50%;
  border:1px solid var(--c-brand);color:var(--c-accent);
  font-family:var(--font-num);font-size:13px;font-weight:600;flex:0 0 auto;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(245,243,238,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,background-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--c-line);
  background:rgba(255,255,255,.92);
  box-shadow:0 2px 12px rgba(14,59,52,.05);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:68px;transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:60px}

.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  display:flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  background:var(--c-brand);color:#E9F2EF;
}
.logo-text{
  display:flex;flex-direction:column;line-height:1.25;
  font-size:17px;font-weight:600;letter-spacing:.02em;color:var(--c-brand);
}
.logo-text em{
  font-style:normal;font-size:11px;font-weight:400;
  color:var(--c-text-3);letter-spacing:.14em;
}

.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;padding:8px 12px;border-radius:6px;
  font-size:15px;font-weight:500;color:var(--c-text-2);
  transition:background-color .2s ease,color .2s ease;
}
.nav-link:hover{background:rgba(14,59,52,.06);color:var(--c-brand)}
.nav-link.is-active{color:var(--c-brand)}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;
  height:2px;background:var(--c-accent);border-radius:2px;
}
.nav-cta{margin-left:14px;height:40px;padding:0 20px;font-size:14px}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:8px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{
  display:block;width:20px;height:2px;background:var(--c-brand);border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,39,34,.45);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:95;
  width:min(86vw,360px);background:var(--c-surface);
  transform:translateX(100%);transition:transform .32s ease;
  display:flex;flex-direction:column;
  box-shadow:-8px 0 30px rgba(8,39,34,.18);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;border-bottom:1px solid var(--c-line);
}
.drawer-close{width:40px;height:40px;font-size:24px;line-height:1;color:var(--c-text-2)}
.drawer-nav{flex:1;padding:8px 0;overflow-y:auto}
.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 20px;
  font-size:16px;color:var(--c-text-2);border-bottom:1px solid var(--c-line);
}
.drawer-link.is-active{color:var(--c-brand);font-weight:600;background:rgba(14,59,52,.04)}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--c-line)}

/* ============ 首屏 ============ */
.hero{position:relative;background:var(--c-brand-deep);overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.5;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(8,39,34,.94) 0%,rgba(8,39,34,.78) 48%,rgba(8,39,34,.58) 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;opacity:.35;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 44px),
                   repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 44px);
}
.hero-inner{position:relative;z-index:2;padding:116px 0 96px}
.hero-copy{max-width:640px}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.06);
  font-size:12px;letter-spacing:.14em;color:#DCE8E4;
}
.hero-kicker i{
  width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:block;
}
.hero h1{
  margin-top:24px;
  font-size:36px;font-weight:700;line-height:1.35;letter-spacing:.02em;
  color:#fff;
}
.hero h1 b{color:var(--c-accent);font-weight:700}
.hero-sub{
  margin-top:18px;font-size:17px;line-height:1.85;
  color:rgba(233,242,239,.82);max-width:34ch;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:0;margin-top:52px;
  border-top:1px solid rgba(255,255,255,.16);padding-top:26px;
}
.hero-stats li{
  padding-right:32px;margin-right:32px;
  border-right:1px solid rgba(255,255,255,.16);
}
.hero-stats li:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-stats strong{
  display:block;font-family:var(--font-num);font-size:24px;font-weight:700;
  color:var(--c-accent);line-height:1.3;
}
.hero-stats span{font-size:13px;color:rgba(233,242,239,.68)}

/* ============ 主张条 ============ */
.claim{background:var(--c-bg)}
.claim-grid{
  display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;
}
.claim-grid h2{font-size:28px;font-weight:600;line-height:1.45;letter-spacing:.02em}
.claim-right p{color:var(--c-text-2);font-size:17px}
.claim-right p+p{margin-top:1.2em}
.claim-points{
  display:grid;grid-template-columns:repeat(3,1fr);gap:32px;
  margin-top:64px;padding-top:40px;border-top:1px solid var(--c-line);
}
.claim-points li{display:flex;gap:14px;align-items:flex-start}
.claim-points h3{font-size:18px;font-weight:600;line-height:1.6}
.claim-points p{font-size:15px;color:var(--c-text-2);margin-top:6px}

/* ============ 图文交错 ============ */
.story{background:var(--c-surface-2)}
.story-row{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.story-row+.story-row{margin-top:56px}
.story-row.reverse .story-figure{order:2}
.story-figure{
  position:relative;border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--c-line);background:var(--c-surface);
}
.story-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.story-index{
  font-family:var(--font-num);font-size:13px;font-weight:600;
  letter-spacing:.16em;color:var(--c-accent);
}
.story-body h3{font-size:20px;font-weight:600;margin:12px 0 0;line-height:1.5}
.story-body p{margin-top:14px;color:var(--c-text-2);font-size:16px}
.story-divider{height:1px;background:var(--c-line);margin-top:56px}
.story-sep{height:1px;background:var(--c-line);margin:56px 0}

/* ============ 精选内容卡 ============ */
.feature-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;
}
.card{
  display:flex;flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,59,52,.2)}
.card-media{overflow:hidden;background:var(--c-surface-2)}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 1.2s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-title{
  font-size:19px;font-weight:600;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card:hover .card-title{color:var(--c-brand)}
.card-desc{
  font-size:15px;color:var(--c-text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-3);font-family:var(--font-num);
}
.card-lg{grid-column:span 2}
.card-lg .card-media img{aspect-ratio:16/8}
.card-lg .card-title{font-size:22px;-webkit-line-clamp:2}
.feature-side{display:flex;flex-direction:column;gap:24px}
.feature-side .card{flex:1}
.feature-side .card-media{display:none}
.feature-side .card-body{gap:10px}

/* ============ 最新信息 ============ */
.latest{background:var(--c-bg)}
.news-list{
  display:grid;grid-template-columns:repeat(2,1fr);
  gap:0 40px;border-top:1px solid var(--c-line);
}
.news-item{
  display:flex;align-items:flex-start;gap:16px;
  padding:22px 12px 22px 8px;
  border-bottom:1px solid var(--c-line);
  transition:background-color .2s ease;
}
.news-item:hover{background:rgba(14,59,52,.035)}
.news-item:hover .news-title{color:var(--c-brand)}
.news-date{
  flex:0 0 auto;min-width:64px;
  display:flex;align-items:center;justify-content:center;
  height:64px;padding:0 8px;border-radius:10px;
  background:var(--c-surface-2);color:var(--c-text-2);
  font-family:var(--font-num);font-size:12px;line-height:1.4;text-align:center;
}
.news-body{display:flex;flex-direction:column;gap:6px;min-width:0;flex:1}
.news-title{
  font-size:16px;font-weight:600;line-height:1.6;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  transition:color .2s ease;
}
.news-desc{
  font-size:14px;color:var(--c-text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-arrow{
  flex:0 0 auto;color:var(--c-text-3);font-size:16px;
  transition:transform .2s ease,color .2s ease;
}
.news-item:hover .news-arrow{transform:translateX(4px);color:var(--c-accent)}
.news-more{margin-top:36px;display:flex;justify-content:center}

.empty-state{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 20px;text-align:center;color:var(--c-text-2);
}
.empty-state svg{color:var(--c-text-3)}
.empty-state p{font-size:15px}

.skeleton{
  grid-column:1/-1;display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;
}
.skeleton span{
  display:block;height:64px;margin:20px 0;border-radius:10px;
  background:linear-gradient(90deg,var(--c-surface-2) 0%,#F7F5F0 50%,var(--c-surface-2) 100%);
  background-size:200% 100%;animation:shine 1.6s infinite linear;
}
@keyframes shine{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ============ 信任背书 ============ */
.trust{background:var(--c-surface)}
.trust-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:32px;
  padding-bottom:48px;border-bottom:1px solid var(--c-line);
}
.trust-stats strong{
  display:block;font-family:var(--font-num);font-size:32px;font-weight:700;
  color:var(--c-accent);line-height:1.2;
}
.trust-stats span{display:block;margin-top:6px;font-size:14px;color:var(--c-text-2)}
.logo-wall{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  margin:48px 0;
}
.logo-wall div{
  display:flex;align-items:center;justify-content:center;
  height:72px;border:1px solid var(--c-line);border-radius:10px;
  background:var(--c-surface-2);color:var(--c-text-3);
  font-size:14px;letter-spacing:.06em;
  filter:grayscale(1);opacity:.72;
  transition:filter .3s ease,opacity .3s ease,color .3s ease,background-color .3s ease;
}
.logo-wall div:hover{
  filter:grayscale(0);opacity:1;color:var(--c-brand);
  background:var(--c-surface);border-color:rgba(14,59,52,.2);
}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{
  padding:26px;border:1px solid var(--c-line);border-radius:var(--radius-card);
  background:var(--c-bg);box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.quote:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.quote p{font-size:15px;color:var(--c-text-2);margin-bottom:18px}
.quote-author{display:flex;align-items:center;gap:12px}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 auto;
  background:linear-gradient(140deg,var(--c-jade),var(--c-brand));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:14px;font-weight:600;
}
.quote-author strong{display:block;font-size:15px;font-weight:600}
.quote-author span{display:block;font-size:13px;color:var(--c-text-3)}

/* ============ FAQ ============ */
.faq{background:var(--c-surface-2)}
.faq-list{max-width:900px;border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  gap:20px;min-height:56px;padding:18px 4px;text-align:left;
  font-size:17px;font-weight:600;color:var(--c-text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-brand)}
.faq-q svg{flex:0 0 auto;color:var(--c-jade);transition:transform .28s ease}
.faq-item.is-open .faq-q svg{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a-inner{
  padding:0 0 20px 18px;margin-left:0;
  border-left:3px solid var(--c-jade);
  color:var(--c-text-2);font-size:16px;
}
.faq-a-inner p{padding-left:2px}

/* ============ 订阅 CTA ============ */
.cta-band{
  position:relative;background:var(--c-brand);color:#fff;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.28;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.10) 0 1px,transparent 1px 14px);
}
.cta-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:72px 0;
}
.cta-inner h2{font-size:28px;font-weight:600;line-height:1.45;letter-spacing:.02em}
.cta-inner .cta-sub{margin-top:12px;font-size:16px;color:rgba(233,242,239,.8);max-width:34ch}
.subscribe-form{display:flex;gap:12px}
.subscribe-form input{
  flex:1;height:48px;padding:0 16px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.32);
  background:rgba(255,255,255,.10);color:#fff;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.subscribe-form input::placeholder{color:rgba(233,242,239,.6)}
.subscribe-form input:focus{
  outline:none;border-color:#fff;background:rgba(255,255,255,.16);
  box-shadow:0 0 0 3px rgba(217,106,51,.32);
}
.subscribe-form input.is-error{border-color:#F0A08A}
.form-msg{margin-top:12px;font-size:13px;min-height:18px;color:rgba(233,242,239,.85)}
.form-msg.is-error{color:#F6B9A6}
.form-msg.is-ok{color:#9EE0C8}
.form-note{margin-top:10px;font-size:12px;color:rgba(233,242,239,.55)}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-brand-deep);color:rgba(233,242,239,.72)}
.footer-main{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px;
  padding:72px 0 48px;
}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text em{color:rgba(233,242,239,.5)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;max-width:30ch}
.footer-tel{margin-top:16px;font-family:var(--font-num);font-size:15px;color:#fff}
.footer-col h3{
  font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.02em;
}
.footer-col li+li{margin-top:10px}
.footer-col a{font-size:14px}
.footer-col a:hover{color:var(--c-accent)}
.footer-form{display:flex;gap:8px;margin-top:4px}
.footer-form input{
  flex:1;min-width:0;height:42px;padding:0 12px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;
  font-size:14px;
}
.footer-form input::placeholder{color:rgba(233,242,239,.45)}
.footer-form input:focus{outline:none;border-color:var(--c-accent)}
.footer-form .btn{height:42px;padding:0 16px;font-size:14px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(233,242,239,.55);
}
.footer-bottom a:hover{color:var(--c-accent)}
.to-top{
  display:inline-flex;align-items:center;gap:6px;
  color:rgba(233,242,239,.72);font-size:13px;
}
.to-top:hover{color:var(--c-accent)}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{padding:0 28px}
}
@media (max-width:1024px){
  .section{padding:80px 0}
  .claim-grid{grid-template-columns:1fr;gap:28px}
  .claim-points{grid-template-columns:repeat(3,1fr);gap:24px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .card-lg{grid-column:span 2}
  .feature-side{flex-direction:row;grid-column:span 2}
  .trust-stats{grid-template-columns:repeat(2,1fr);gap:24px}
  .logo-wall{grid-template-columns:repeat(4,1fr)}
  .quotes{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:64px 0}
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .hero-inner{padding:84px 0 64px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:16px}
  .hero-actions{gap:12px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-stats{gap:20px 0}
  .hero-stats li{padding-right:20px;margin-right:20px}
  .hero-stats strong{font-size:20px}
  .section-title{font-size:22px}
  .claim-points{grid-template-columns:1fr;gap:20px}
  .story-row{grid-template-columns:1fr;gap:24px}
  .story-row.reverse .story-figure{order:0}
  .feature-grid{grid-template-columns:1fr}
  .card-lg{grid-column:span 1}
  .feature-side{flex-direction:column;grid-column:span 1}
  .feature-side .card-media{display:block}
  .news-list{grid-template-columns:1fr;gap:0}
  .news-item{padding:18px 4px}
  .trust-stats{grid-template-columns:repeat(2,1fr)}
  .trust-stats strong{font-size:26px}
  .logo-wall{grid-template-columns:repeat(2,1fr);margin:36px 0}
  .cta-inner{grid-template-columns:1fr;gap:28px;padding:56px 0}
  .subscribe-form{flex-direction:column}
  .subscribe-form .btn{width:100%}
  .footer-main{grid-template-columns:1fr;padding:56px 0 36px;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:520px){
  .hero h1{font-size:26px}
  .hero-stats{flex-direction:column;gap:16px}
  .hero-stats li{
    border-right:0;border-bottom:1px solid rgba(255,255,255,.14);
    padding:0 0 12px;margin:0;
  }
  .hero-stats li:last-child{border-bottom:0;padding-bottom:0}
  .news-date{min-width:56px;height:56px}
  .card-body{padding:18px 18px 20px}
}

/* roulang page: article */
/* ===== 设计变量 ===== */
:root{
  --c-brand:#0E3B34;
  --c-brand-deep:#082722;
  --c-jade:#2F7A6B;
  --c-accent:#D96A33;
  --c-accent-deep:#BD5626;
  --c-bg:#F5F3EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEDE6;
  --c-line:#E4DFD5;
  --c-text:#22302C;
  --c-text-2:#5F6E68;
  --c-text-3:#8A9691;
  --c-error:#C0453C;

  --r-card:14px;
  --r-btn:8px;
  --r-img:12px;

  --sh-1:0 1px 2px rgba(14,59,52,.06);
  --sh-2:0 10px 24px rgba(14,59,52,.10);

  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px;
  --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:88px;

  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;

  --header-h:68px;
}

/* ===== 基础 reset ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.9;
  color:var(--c-text);
  background-color:var(--c-bg);
  background-image:radial-gradient(rgba(14,59,52,.045) 1px,transparent 1px);
  background-size:22px 22px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease;}
a:visited{color:var(--c-brand);}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:.02em;color:var(--c-text);}
p{margin:0 0 1.2em;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
input,button,textarea{font-size:16px;font-family:inherit;}
::selection{background:rgba(217,106,51,.22);}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}

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

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:height .25s ease,box-shadow .25s ease;
}
.header-inner{
  height:var(--header-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--sp-5);
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--c-brand);
}
.logo:hover{color:var(--c-brand);}
.logo-mark{
  width:38px;height:38px;
  flex:0 0 38px;
  display:grid;place-items:center;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:var(--c-surface-2);
  color:var(--c-brand);
}
.logo-text{
  display:flex;
  flex-direction:column;
  font-size:17px;
  font-weight:700;
  letter-spacing:.02em;
  line-height:1.25;
}
.logo-text em{
  font-style:normal;
  font-size:12px;
  font-weight:400;
  color:var(--c-text-3);
  letter-spacing:.06em;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:var(--sp-2);
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  border-radius:6px;
  font-size:15px;
  font-weight:500;
  color:var(--c-text-2);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-link:visited{color:var(--c-text-2);}
.nav-link:hover{background:rgba(14,59,52,.06);color:var(--c-brand);}
.nav-link.is-active{color:var(--c-brand);}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;
  bottom:0;
  height:2px;
  background:var(--c-accent);
  border-radius:2px;
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--c-brand);color:#fff;}
.btn-primary:visited{color:#fff;}
.btn-primary:hover{background:var(--c-brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:visited{color:#fff;}
.btn-accent:hover{background:var(--c-accent-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;border-color:var(--c-brand);color:var(--c-brand);}
.btn-ghost:visited{color:var(--c-brand);}
.btn-ghost:hover{background:rgba(14,59,52,.08);color:var(--c-brand);}
.btn-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-light:visited{color:#fff;}
.btn-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-text{
  height:auto;padding:0;background:none;border:none;
  color:var(--c-brand);font-weight:600;
}
.btn-text:hover{color:var(--c-accent);}
.btn-text .arrow{transition:transform .2s ease;}
.btn-text:hover .arrow{transform:translateX(3px);}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.nav-cta{height:40px;padding:0 20px;font-size:14px;}

/* 汉堡按钮 */
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:var(--c-surface);
  cursor:pointer;
  padding:0;
  place-items:center;
}
.nav-toggle span{
  display:block;
  width:20px;height:2px;
  background:var(--c-brand);
  border-radius:2px;
  position:relative;
  transition:background .2s ease;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;left:0;
  width:20px;height:2px;
  background:var(--c-brand);
  border-radius:2px;
  transition:transform .25s ease,top .25s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
body.drawer-open .nav-toggle span{background:transparent;}
body.drawer-open .nav-toggle span::before{top:0;transform:rotate(45deg);}
body.drawer-open .nav-toggle span::after{top:0;transform:rotate(-45deg);}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(8,39,34,.45);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:95;
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;
  top:0;right:0;
  width:min(86vw,360px);
  height:100%;
  background:var(--c-surface);
  transform:translateX(100%);
  transition:transform .3s ease;
  z-index:96;
  display:flex;
  flex-direction:column;
  padding:20px 0 24px;
  overflow-y:auto;
}
body.drawer-open .nav-drawer{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:0 20px 16px;
  border-bottom:1px solid var(--c-line);
}
.drawer-head strong{font-size:15px;color:var(--c-brand);letter-spacing:.04em;}
.drawer-close{
  width:36px;height:36px;border:1px solid var(--c-line);border-radius:8px;
  background:var(--c-surface);color:var(--c-text-2);cursor:pointer;
  display:grid;place-items:center;font-size:16px;
}
.drawer-links{display:flex;flex-direction:column;padding:8px 0;}
.drawer-links a{
  padding:0 20px;
  height:48px;
  display:flex;align-items:center;
  font-size:15px;font-weight:500;
  color:var(--c-text-2);
  border-bottom:1px solid var(--c-line);
}
.drawer-links a:hover{background:var(--c-surface-2);color:var(--c-brand);}
.drawer-links a.is-active{color:var(--c-brand);font-weight:600;}
.drawer-foot{margin-top:auto;padding:20px;border-top:1px solid var(--c-line);}
.drawer-foot .btn{width:100%;}

/* ===== 文章页头 ===== */
.article-hero{
  position:relative;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  background-color:var(--c-brand-deep);
  padding:56px 0 64px;
  overflow:hidden;
}
.article-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,39,34,.78),rgba(8,39,34,.88));
}
.article-hero .container{position:relative;z-index:1;max-width:960px;}
.breadcrumb{
  font-size:12px;
  color:rgba(255,255,255,.72);
  margin-bottom:20px;
  letter-spacing:.02em;
}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb span.sep{margin:0 6px;opacity:.6;}
.breadcrumb span.current{color:#fff;}
.article-title{
  font-size:36px;
  line-height:1.35;
  font-weight:700;
  color:#fff;
  max-width:860px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  margin-top:24px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.18);
  font-size:13px;
  color:rgba(255,255,255,.75);
  font-family:var(--font-num);
}
.article-meta .meta-cn{font-family:var(--font-cn);}
.badge{
  display:inline-flex;align-items:center;
  height:24px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(47,122,107,.18);
  color:#8FD3C3;
  font-size:12px;
  font-weight:500;
  letter-spacing:.02em;
  font-family:var(--font-cn);
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.4);}

/* ===== 正文布局 ===== */
.article-body{padding:72px 0 24px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:56px;
  align-items:start;
}
.article-main{min-width:0;}
.article-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:48px 52px;
}

/* 富文本排版 */
.article-content{font-size:17px;line-height:1.9;color:var(--c-text);}
.article-content > p{max-width:38em;}
.article-content h2{
  position:relative;
  font-size:28px;
  font-weight:600;
  line-height:1.4;
  margin:2em 0 .8em;
  padding-left:16px;
  border-left:4px solid var(--c-brand);
}
.article-content h3{
  font-size:20px;
  font-weight:600;
  margin:1.6em 0 .6em;
}
.article-content h4{
  font-size:17px;
  font-weight:600;
  margin:1.4em 0 .5em;
}
.article-content ul,
.article-content ol{margin:0 0 1.4em;padding-left:0;list-style:none;}
.article-content li{
  position:relative;
  padding-left:24px;
  margin-bottom:10px;
}
.article-content ul > li::before{
  content:"";
  position:absolute;
  left:4px;top:.78em;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--c-jade);
}
.article-content ol{counter-reset:item;}
.article-content ol > li{counter-increment:item;}
.article-content ol > li::before{
  content:counter(item,decimal-leading-zero);
  position:absolute;
  left:0;top:0;
  font-family:var(--font-num);
  font-size:13px;
  font-weight:600;
  color:var(--c-accent);
  line-height:2.35;
}
.article-content blockquote{
  margin:1.6em 0;
  padding:20px 24px;
  background:var(--c-surface-2);
  border-left:3px solid var(--c-jade);
  border-radius:0 var(--r-btn) var(--r-btn) 0;
  color:var(--c-text-2);
  font-size:16px;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{
  width:100%;
  border-radius:var(--r-img);
  border:1px solid var(--c-line);
  margin:1.6em 0 .6em;
}
.article-content figure{margin:1.6em 0;}
.article-content figcaption{
  font-size:13px;
  color:var(--c-text-3);
  text-align:left;
  padding-left:2px;
}
.article-content table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:15px;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  overflow:hidden;
}
.article-content thead th{
  background:var(--c-surface-2);
  color:var(--c-brand);
  font-weight:600;
  text-align:left;
}
.article-content th,
.article-content td{
  padding:12px 14px;
  border-bottom:1px solid var(--c-line);
}
.article-content tbody tr:nth-child(even){background:var(--c-surface-2);}
.article-content a{
  color:var(--c-brand);
  text-decoration:underline;
  text-underline-offset:3px;
}
.article-content a:hover{color:var(--c-accent);}
.article-content hr{
  border:none;
  border-top:1px solid var(--c-line);
  margin:2.4em 0;
}
.article-content strong{font-weight:600;color:var(--c-brand-deep);}

/* 空态 */
.empty-state{
  text-align:center;
  padding:56px 24px;
  border:1px dashed var(--c-line);
  border-radius:var(--r-card);
  background:var(--c-surface-2);
  color:var(--c-text-2);
}
.empty-state svg{color:var(--c-text-3);margin:0 auto 16px;}
.empty-state p{margin-bottom:20px;font-size:15px;}

/* 标签 */
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  padding-top:28px;
  margin-top:8px;
  border-top:1px solid var(--c-line);
}
.tag-row .tag-label{font-size:13px;color:var(--c-text-3);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(47,122,107,.10);
  color:var(--c-jade);
  font-size:13px;
  transition:background .2s ease,color .2s ease;
}
.tag:hover{background:rgba(47,122,107,.18);color:var(--c-jade);}

/* 文末导航 */
.article-foot{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  align-items:center;
  justify-content:space-between;
  margin-top:32px;
  padding:20px 24px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
.article-foot .foot-links{display:flex;flex-wrap:wrap;gap:20px;align-items:center;}

/* ===== 侧栏 ===== */
.article-side{display:flex;flex-direction:column;gap:24px;position:sticky;top:96px;}
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:24px;
}
.side-title{
  font-size:15px;
  font-weight:600;
  color:var(--c-brand);
  padding-bottom:14px;
  margin-bottom:6px;
  border-bottom:1px solid var(--c-line);
  display:flex;align-items:center;gap:8px;
}
.side-title::before{
  content:"";
  width:3px;height:14px;
  background:var(--c-accent);
  border-radius:2px;
}
.side-list{list-style:none;margin:0;padding:0;}
.side-list li{border-bottom:1px solid var(--c-line);}
.side-list li:last-child{border-bottom:none;}
.side-list a{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:12px 0;
  font-size:14px;
  line-height:1.6;
  color:var(--c-text-2);
}
.side-list a:hover{color:var(--c-brand);}
.side-list .num{
  flex:0 0 22px;
  width:22px;height:22px;
  display:grid;place-items:center;
  border:1px solid var(--c-brand);
  border-radius:50%;
  font-family:var(--font-num);
  font-size:11px;
  color:var(--c-accent);
  margin-top:2px;
}
.side-list .txt{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.side-note{font-size:13px;color:var(--c-text-3);line-height:1.75;margin:12px 0 0;}
.sub-form{display:flex;flex-direction:column;gap:10px;margin-top:14px;}
.sub-form input{
  height:48px;
  padding:0 14px;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  background:var(--c-surface);
  color:var(--c-text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:var(--c-text-3);}
.sub-form input:focus{
  outline:none;
  border-color:var(--c-brand);
  box-shadow:0 0 0 3px rgba(14,59,52,.20);
}
.sub-form input.is-error{border-color:var(--c-error);box-shadow:0 0 0 3px rgba(192,69,60,.15);}
.form-msg{font-size:12px;color:var(--c-jade);margin:8px 0 0;min-height:18px;}
.form-msg.is-error{color:var(--c-error);}

/* ===== 通用板块 ===== */
.section{padding:88px 0;}
.section.alt{background:var(--c-surface-2);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  padding-bottom:24px;
  margin-bottom:40px;
  border-bottom:1px solid var(--c-line);
}
.section-head h2{
  position:relative;
  font-size:28px;
  padding-left:16px;
  line-height:1.35;
}
.section-head h2::before{
  content:"";
  position:absolute;left:0;top:.22em;
  width:4px;height:1.1em;
  background:var(--c-brand);
  border-radius:2px;
}
.section-head .sub{font-size:14px;color:var(--c-text-2);margin:8px 0 0;}

/* 卡片网格 */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-2);
  border-color:rgba(14,59,52,.20);
}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--c-surface-2);
}
.card-media img{
  width:100%;height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform 1.2s ease;
}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{
  font-size:19px;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card:hover .card-body h3{color:var(--c-brand);}
.card-body p{
  font-size:14px;
  line-height:1.75;
  color:var(--c-text-2);
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--c-line);
  font-size:12px;
  color:var(--c-text-3);
  font-family:var(--font-num);
}
.card-meta .more{font-family:var(--font-cn);color:var(--c-brand);font-weight:600;}
.card-meta .more:hover{color:var(--c-accent);}

/* ===== FAQ ===== */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-list{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-q{
  width:100%;
  min-height:56px;
  padding:16px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  background:none;
  border:none;
  text-align:left;
  font-size:19px;
  font-weight:600;
  color:var(--c-text);
  cursor:pointer;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-brand);}
.faq-q .chev{
  flex:0 0 24px;
  color:var(--c-jade);
  transition:transform .25s ease;
}
.faq-item.is-open .faq-q{color:var(--c-brand);}
.faq-item.is-open .chev{transform:rotate(180deg);}
.faq-a{
  display:none;
  padding:0 0 20px 20px;
  border-left:3px solid var(--c-jade);
  margin-left:2px;
}
.faq-item.is-open .faq-a{display:block;}
.faq-a p{font-size:15px;line-height:1.85;color:var(--c-text-2);margin:0;}

/* ===== CTA ===== */
.cta-band{
  position:relative;
  background:var(--c-brand);
  color:#fff;
  border-radius:0;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 12px);
}
.cta-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:64px 0;
}
.cta-inner h2{color:#fff;font-size:28px;line-height:1.4;}
.cta-inner p{color:rgba(255,255,255,.78);font-size:15px;margin:10px 0 0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--c-brand-deep);
  color:rgba(255,255,255,.78);
  margin-top:0;
}
.footer-main{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
  padding:64px 32px 48px;
}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand .logo-mark{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#fff;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text em{color:rgba(255,255,255,.5);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.65);margin:0 0 10px;max-width:34em;}
.footer-tel{font-family:var(--font-num);font-size:13px;color:rgba(255,255,255,.6);}
.footer-col h3{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:.04em;
}
.footer-col ul{list-style:none;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:var(--c-accent);}
.footer-form{display:flex;gap:10px;margin-top:4px;}
.footer-form input{
  flex:1;
  min-width:0;
  height:44px;
  padding:0 14px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-btn);
  background:rgba(255,255,255,.06);
  color:#fff;
}
.footer-form input::placeholder{color:rgba(255,255,255,.45);}
.footer-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(217,106,51,.25);}
.footer-form .btn{height:44px;padding:0 18px;}
.footer-form .btn-primary{background:var(--c-accent);}
.footer-form .btn-primary:hover{background:var(--c-accent-deep);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px 24px;
  padding:20px 32px 28px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.6);font-family:var(--font-num);}
.footer-bottom a:hover{color:var(--c-accent);}
.footer-bottom .to-top{
  margin-left:auto;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-family:var(--font-cn);
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:32px;}
  .article-card{padding:36px 32px;}
  .article-title{font-size:30px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-main{grid-template-columns:1fr 1fr;padding:48px 24px 36px;}
  .footer-bottom{padding:20px 24px 26px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .main-nav{display:none;}
  .nav-toggle{display:grid;}
  .article-hero{padding:40px 0 44px;}
  .article-title{font-size:26px;}
  .article-body{padding:40px 0 16px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .article-side{position:static;}
  .article-card{padding:24px 20px;}
  .article-content h2{font-size:22px;}
  .article-content h3{font-size:18px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .section-head h2{font-size:22px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .faq-q{font-size:17px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:48px 0;}
  .cta-inner h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-main{grid-template-columns:1fr;padding:40px 20px 32px;}
  .footer-bottom{padding:18px 20px 26px;}
  .footer-bottom .to-top{margin-left:0;}
}
@media (max-width:520px){
  .article-title{font-size:22px;}
  .article-meta{gap:10px;font-size:12px;}
  .footer-form{flex-direction:column;}
  .footer-form .btn{width:100%;}
  .article-content{font-size:16px;}
}

/* roulang page: category1 */
:root{
  --c-brand:#0E3B34;
  --c-brand-deep:#082722;
  --c-jade:#2F7A6B;
  --c-accent:#D96A33;
  --c-accent-hover:#BD5626;
  --c-bg:#F5F3EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEDE6;
  --c-line:#E4DFD5;
  --c-text:#22302C;
  --c-text-2:#5F6E68;
  --c-text-3:#8A9691;
  --c-error:#C0453C;
  --r-card:14px;
  --r-btn:8px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,59,52,.06);
  --sh-2:0 10px 24px rgba(14,59,52,.10);
  --w-container:1200px;
  --nav-h:68px;
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:88px;
  --ease:.25s cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"Inter","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-brand);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),transform var(--ease);}
a:visited{color:var(--c-brand);}
button{font:inherit;cursor:pointer;}
input{font:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:.02em;color:var(--c-text);font-weight:600;}
h1{font-size:36px;line-height:1.35;font-weight:700;}
h2{font-size:28px;line-height:1.45;}
h3{font-size:20px;line-height:1.5;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--w-container);margin:0 auto;padding:0 32px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-brand);color:#fff;padding:10px 18px;border-radius:0 0 8px 0;z-index:999;}
.skip-link:focus{left:0;color:#fff;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;transition:all var(--ease);
}
.btn-primary{background:var(--c-brand);color:#fff;border-color:var(--c-brand);}
.btn-primary:hover{background:var(--c-brand-deep);border-color:var(--c-brand-deep);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;color:var(--c-brand);border-color:var(--c-brand);}
.btn-outline:hover{background:rgba(14,59,52,.08);color:var(--c-brand);}
.btn-accent{background:var(--c-accent);color:#fff;border-color:var(--c-accent);}
.btn-accent:hover{background:var(--c-accent-hover);border-color:var(--c-accent-hover);color:#fff;transform:translateY(-1px);}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-brand);}
.text-link svg{transition:transform var(--ease);}
.text-link:hover{color:var(--c-accent);}
.text-link:hover svg{transform:translateX(3px);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;height:var(--nav-h);
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(150%) blur(10px);
  -webkit-backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid transparent;
  transition:height var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{height:60px;border-bottom-color:var(--c-line);box-shadow:var(--sh-1);}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.logo{display:inline-flex;align-items:center;gap:10px;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;flex:0 0 36px;
  background:var(--c-brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.logo-text{display:flex;flex-direction:column;font-size:16px;font-weight:700;color:var(--c-brand);line-height:1.25;}
.logo-text em{font-style:normal;font-size:11px;font-weight:400;color:var(--c-text-3);letter-spacing:.08em;margin-top:2px;}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;
  border-radius:6px;font-size:15px;font-weight:500;color:var(--c-text-2);
}
.nav-link:hover{background:rgba(14,59,52,.06);color:var(--c-brand);}
.nav-link.is-active{color:var(--c-brand);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;background:var(--c-accent);border-radius:2px;
}
.nav-cta{height:40px;padding:0 20px;border-radius:var(--r-pill);font-size:14px;margin-left:10px;}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--c-line);background:#fff;border-radius:10px;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:20px;height:1.8px;background:var(--c-brand);border-radius:2px;transition:transform var(--ease),opacity var(--ease);}
.nav-toggle.is-active span:nth-child(1){transform:translateY(5.8px) rotate(45deg);}
.nav-toggle.is-active span:nth-child(2){opacity:0;}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-5.8px) rotate(-45deg);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,39,34,.45);opacity:0;pointer-events:none;transition:opacity var(--ease);z-index:90;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);background:#fff;z-index:95;
  transform:translateX(102%);transition:transform .3s cubic-bezier(.22,.61,.36,1);
  display:flex;flex-direction:column;padding:24px 20px 20px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line);}
.drawer-title{font-size:14px;color:var(--c-text-3);letter-spacing:.1em;}
.drawer-close{width:36px;height:36px;border-radius:8px;border:1px solid var(--c-line);background:#fff;color:var(--c-brand);display:flex;align-items:center;justify-content:center;}
.drawer-nav{display:flex;flex-direction:column;padding:8px 0 0;}
.drawer-nav a{
  display:flex;align-items:center;height:48px;font-size:15px;font-weight:500;color:var(--c-text-2);
  border-bottom:1px solid var(--c-line);padding:0 4px;
}
.drawer-nav a.is-active{color:var(--c-brand);font-weight:700;box-shadow:inset 3px 0 0 var(--c-accent);padding-left:12px;}
.drawer-foot{margin-top:auto;padding-top:20px;}
.drawer-foot .btn{width:100%;}

/* ============ 页面页头 ============ */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background:var(--c-brand-deep) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:56px 0 52px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(8,39,34,.86) 0%,rgba(8,39,34,.62) 58%,rgba(8,39,34,.44) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.16;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:22px 22px;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:rgba(255,255,255,.62);margin-bottom:20px;}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .sep{color:rgba(255,255,255,.4);}
.breadcrumb .current{color:#F3B389;}
.page-hero h1{color:#fff;max-width:760px;}
.hero-lead{max-width:660px;margin-top:16px;font-size:16px;line-height:1.9;color:rgba(255,255,255,.82);}
.anchor-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:rgba(255,255,255,.9);
  border:1px solid rgba(255,255,255,.26);background:rgba(255,255,255,.07);
}
.chip:hover{background:rgba(255,255,255,.17);color:#fff;transform:translateY(-1px);}

/* ============ 通用板块 ============ */
.section{padding:var(--sp-9) 0;}
.section-alt{background:var(--c-surface-2);}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;
  border-bottom:1px solid var(--c-line);padding-bottom:20px;margin-bottom:44px;
}
.section-title{position:relative;padding-left:18px;}
.section-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;background:var(--c-brand);border-radius:2px;}
.section-title small{display:block;font-size:12px;font-weight:500;letter-spacing:.16em;color:var(--c-accent);margin-bottom:6px;text-transform:uppercase;}
.section-desc{max-width:560px;font-size:15px;line-height:1.85;color:var(--c-text-2);margin:0;}

/* ============ 左图右列表 ============ */
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:40px;align-items:start;}
.split.reverse .split-figure{order:2;}
.split.reverse .split-list{order:1;}
.figure-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  position:sticky;top:96px;
}
.figure-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,59,52,.2);}
.figure-card figure{margin:0;}
.figure-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;}
.figure-body{padding:22px 24px 24px;}
.figure-body h3{font-size:18px;margin-bottom:8px;}
.figure-body p{font-size:14px;line-height:1.8;color:var(--c-text-2);margin:0;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:500;color:var(--c-jade);background:rgba(47,122,107,.1);
}
.point-list{border-top:1px solid var(--c-line);}
.point-item{
  display:grid;grid-template-columns:30px minmax(0,1fr);gap:16px;
  padding:22px 0;border-bottom:1px solid var(--c-line);
}
.num-dot{
  width:28px;height:28px;border-radius:50%;border:1px solid var(--c-brand);color:var(--c-accent);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;margin-top:4px;
}
.point-item h3{font-size:18px;margin-bottom:6px;}
.point-item p{font-size:15px;line-height:1.85;color:var(--c-text-2);margin-bottom:10px;}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.stat-cell{padding:28px 26px;border-right:1px solid var(--c-line);}
.stat-cell:last-child{border-right:0;}
.stat-num{font-size:30px;font-weight:700;color:var(--c-accent);line-height:1.2;letter-spacing:.01em;}
.stat-cell p{margin:6px 0 0;font-size:14px;line-height:1.7;color:var(--c-text-2);}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:first-child{border-top:1px solid var(--c-line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:60px;padding:14px 4px;background:transparent;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--c-text);transition:color var(--ease);
}
.faq-q:hover{color:var(--c-brand);}
.faq-q .faq-ic{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;border:1px solid var(--c-line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-jade);
  transition:transform var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
}
.faq-item.is-open .faq-q{color:var(--c-brand);}
.faq-item.is-open .faq-ic{transform:rotate(180deg);background:var(--c-jade);border-color:var(--c-jade);color:#fff;}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s ease;}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a-inner > div{
  margin:0 0 22px;padding:0 0 0 18px;border-left:3px solid var(--c-jade);
  font-size:15px;line-height:1.9;color:var(--c-text-2);
}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--c-brand);color:#fff;border-radius:18px;padding:52px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 12px 30px rgba(14,59,52,.16);
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.05;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,#fff 0 1px,transparent 1px 14px);
}
.cta-band > *{position:relative;z-index:2;}
.cta-copy{max-width:600px;}
.cta-copy h2{color:#fff;}
.cta-copy p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.8);}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;}
.cta-actions .btn-outline{color:#fff;border-color:rgba(255,255,255,.55);}
.cta-actions .btn-outline:hover{background:rgba(255,255,255,.14);color:#fff;}
.back-row{display:flex;flex-wrap:wrap;gap:28px;margin-top:36px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-brand-deep);color:rgba(255,255,255,.72);margin-top:var(--sp-9);}
.footer-main{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px;
  padding:64px 32px 44px;
}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand .logo-mark{background:rgba(255,255,255,.1);}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text em{color:rgba(255,255,255,.5);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px;}
.footer-tel{color:rgba(255,255,255,.78)!important;margin-top:8px;}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col ul li a:hover{color:var(--c-accent);}
.footer-form{display:flex;gap:10px;}
.footer-form input{
  flex:1 1 auto;min-width:0;height:46px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.07);color:#fff;font-size:14px;
  transition:border-color var(--ease),box-shadow var(--ease),background-color var(--ease);
}
.footer-form input::placeholder{color:rgba(255,255,255,.45);}
.footer-form input:focus{outline:none;border-color:var(--c-jade);box-shadow:0 0 0 3px rgba(47,122,107,.3);}
.footer-form .btn{height:46px;padding:0 20px;}
.form-msg{font-size:13px;line-height:1.7;margin-top:10px;min-height:1.2em;color:rgba(255,255,255,.6);}
.form-msg.is-ok{color:#8FD3BF;}
.form-msg.is-error{color:#F1A79B;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 32px 30px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--c-accent);}
.to-top{display:inline-flex;align-items:center;gap:6px;}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .split{grid-template-columns:1fr;gap:32px;}
  .split.reverse .split-figure{order:1;}
  .split.reverse .split-list{order:2;}
  .figure-card{position:static;}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px 28px;}
  .cta-band{padding:40px 32px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .container{padding:0 20px;}
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:60px 0;}
  .section-head{margin-bottom:32px;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-cell{border-right:0;border-bottom:1px solid var(--c-line);}
  .stat-cell:last-child{border-bottom:0;}
  .page-hero{padding:40px 0 40px;}
  .hero-lead{font-size:15px;}
  .footer-main{grid-template-columns:1fr;padding:48px 20px 32px;}
  .footer-bottom{padding:18px 20px 28px;}
  .cta-band{border-radius:14px;padding:32px 22px;gap:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .back-row{gap:18px;}
}
@media (max-width:520px){
  .anchor-nav{gap:8px;}
  .chip{height:34px;padding:0 14px;font-size:13px;}
  .footer-form{flex-direction:column;}
  .footer-form .btn{width:100%;}
  .point-item{grid-template-columns:26px minmax(0,1fr);gap:12px;}
  .faq-q{font-size:16px;}
}

/* roulang page: category2 */
:root{
  --c-brand:#0E3B34;
  --c-brand-deep:#082722;
  --c-jade:#2F7A6B;
  --c-accent:#D96A33;
  --c-accent-deep:#BD5626;
  --c-bg:#F5F3EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEDE6;
  --c-line:#E4DFD5;
  --c-text:#22302C;
  --c-text-2:#5F6E68;
  --c-text-3:#8A9691;
  --c-error:#C0453C;
  --r-card:14px;
  --r-btn:8px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,59,52,.06);
  --sh-2:0 10px 24px rgba(14,59,52,.10);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:88px;
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-en:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.9;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-cn);letter-spacing:.02em;color:var(--c-text);margin:0;}
h1{font-size:36px;font-weight:700;line-height:1.35;}
h2{font-size:28px;font-weight:600;line-height:1.45;}
h3{font-size:20px;font-weight:600;line-height:1.55;}
p{margin:0;}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent);}
a:visited{color:var(--c-brand);}
img{max-width:100%;display:block;border-radius:var(--r-img);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}

.container{max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--sp-9) 0;}
.section-sm{padding:var(--sp-7) 0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 var(--sp-5);
  border-radius:var(--r-btn);border:0;
  font-size:15px;font-weight:500;line-height:1;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;
  text-decoration:none;white-space:nowrap;
}
.btn:visited{color:inherit;}
.btn-primary{background:var(--c-brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-brand-deep);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn-accent:hover{background:var(--c-accent-deep);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--c-brand);border:1.5px solid var(--c-brand);}
.btn-ghost:hover{background:rgba(14,59,52,.08);color:var(--c-brand);}
.btn-ghost-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55);}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--c-brand);font-weight:500;font-size:15px;padding:0;}
.btn-text svg{transition:transform .2s ease;}
.btn-text:hover svg{transform:translateX(3px);}
.btn-sm{height:38px;padding:0 var(--sp-4);font-size:14px;}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,243,238,.92);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);background:rgba(255,255,255,.92);box-shadow:var(--sh-1);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;}
.site-header.is-scrolled .header-inner{height:60px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--c-text);}
.logo:visited{color:var(--c-text);}
.logo-mark{
  width:36px;height:36px;border-radius:10px;flex:0 0 36px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-brand);color:#fff;
}
.logo-text{display:flex;flex-direction:column;font-size:16px;font-weight:700;line-height:1.2;letter-spacing:.02em;color:var(--c-brand);}
.logo-text em{font-style:normal;font-size:11px;font-weight:400;color:var(--c-text-3);letter-spacing:.08em;margin-top:2px;}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:38px;padding:0 var(--sp-3);border-radius:6px;
  font-size:15px;font-weight:500;color:var(--c-text-2);
  transition:background .2s ease,color .2s ease;
}
.nav-link:visited{color:var(--c-text-2);}
.nav-link:hover{background:rgba(14,59,52,.06);color:var(--c-brand);}
.nav-link.is-active{color:var(--c-brand);}
.nav-link.is-active::after{
  content:"";position:absolute;left:var(--sp-3);right:var(--sp-3);bottom:2px;height:2px;background:var(--c-accent);border-radius:2px;
}
.nav-cta{margin-left:10px;height:40px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:0;background:transparent;border-radius:8px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--c-text);border-radius:2px;transition:transform .25s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,39,34,.45);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,360px);background:#fff;z-index:80;
  transform:translateX(102%);transition:transform .3s ease;
  display:flex;flex-direction:column;padding:var(--sp-5) var(--sp-5) var(--sp-5);
  box-shadow:-10px 0 30px rgba(8,39,34,.18);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--sp-4);}
.drawer-title{font-size:13px;letter-spacing:.1em;color:var(--c-text-3);}
.drawer-close{width:40px;height:40px;border:1px solid var(--c-line);background:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--c-text-2);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;color:var(--c-text-2);font-size:16px;font-weight:500;
  border-bottom:1px solid var(--c-line);
}
.drawer-nav a.is-active{color:var(--c-brand);}
.drawer-nav a.is-active::before{content:"";width:3px;height:16px;background:var(--c-accent);border-radius:2px;margin-right:10px;}
.drawer-nav a span{display:flex;align-items:center;}
.drawer-foot{margin-top:auto;padding-top:var(--sp-5);}
.drawer-foot .btn{width:100%;}

/* ---------- 页头（居中窄栏） ---------- */
.page-head{
  position:relative;
  background-color:var(--c-bg);
  background-image:
    linear-gradient(0deg,rgba(14,59,52,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(14,59,52,.055) 1px,transparent 1px);
  background-size:28px 28px;
  border-bottom:1px solid var(--c-line);
  padding:calc(var(--sp-9) - 20px) 0 var(--sp-8);
  text-align:center;
}
.page-head::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:80px;height:3px;background:var(--c-accent);border-radius:3px;
}
.crumb{
  display:flex;justify-content:center;align-items:center;gap:8px;
  font-size:12px;color:var(--c-text-3);margin-bottom:var(--sp-5);flex-wrap:wrap;
}
.crumb a{color:var(--c-text-2);}
.crumb a:hover{color:var(--c-accent);text-decoration:underline;}
.crumb .sep{color:var(--c-text-3);}
.crumb .current{color:var(--c-brand);}
.page-head h1{max-width:900px;margin:0 auto;}
.page-head .lede{
  max-width:640px;margin:var(--sp-5) auto 0;
  color:var(--c-text-2);font-size:16px;line-height:1.95;
}
.badge-row{display:flex;justify-content:center;gap:var(--sp-3);flex-wrap:wrap;margin-top:var(--sp-6);}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:34px;padding:0 var(--sp-4);border-radius:var(--r-pill);
  background:rgba(47,122,107,.10);color:var(--c-jade);
  font-size:13px;font-weight:500;border:1px solid rgba(47,122,107,.16);
}
.chip strong{font-family:var(--font-en);font-size:14px;font-weight:600;}

/* ---------- 通用标题区 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-5);padding-bottom:var(--sp-4);border-bottom:1px solid var(--c-line);margin-bottom:var(--sp-7);}
.sec-head h2{display:flex;align-items:center;gap:14px;}
.sec-head h2::before{content:"";width:3px;height:26px;background:var(--c-brand);border-radius:2px;flex:0 0 3px;}
.sec-head p{color:var(--c-text-2);font-size:15px;margin-top:6px;}
.sec-head .sec-note{font-size:13px;color:var(--c-text-3);white-space:nowrap;}

/* ---------- 安全面板 ---------- */
.panel-wrap{
  background:linear-gradient(180deg,var(--c-brand-deep) 0%,#0B3129 100%);
  border-radius:var(--r-card);
  overflow:hidden;
  display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);
  box-shadow:var(--sh-2);
}
.panel-figure{position:relative;min-height:340px;}
.panel-figure img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.panel-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,39,34,.10),rgba(8,39,34,.62));}
.panel-body{padding:var(--sp-8) var(--sp-7);color:#fff;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;color:#9FD0C2;text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:1px;background:#9FD0C2;}
.panel-body h2{color:#fff;font-size:26px;margin:var(--sp-4) 0 var(--sp-3);}
.panel-body > p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.9;max-width:34em;}
.panel-list{margin-top:var(--sp-6);display:grid;gap:var(--sp-4);}
.panel-list li{display:grid;grid-template-columns:28px 1fr;gap:var(--sp-4);align-items:start;padding-top:var(--sp-4);border-top:1px solid rgba(255,255,255,.14);}
.panel-list li:first-child{border-top:0;padding-top:0;}
.panel-list .num{
  width:28px;height:28px;border-radius:50%;border:1px solid rgba(255,255,255,.35);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-en);font-size:13px;font-weight:600;color:var(--c-accent);
  background:rgba(255,255,255,.04);
}
.panel-list h3{color:#fff;font-size:16px;margin-bottom:2px;}
.panel-list p{color:rgba(255,255,255,.66);font-size:14px;line-height:1.8;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:56px;}
.timeline::before{
  content:"";position:absolute;left:13px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--c-brand),rgba(14,59,52,.12));
  border-radius:2px;
}
.tl-item{position:relative;padding-bottom:var(--sp-7);}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:-56px;top:2px;width:28px;height:28px;border-radius:50%;
  background:#fff;border:2px solid var(--c-brand);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-en);font-size:12px;font-weight:600;color:var(--c-accent);
}
.tl-body{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:var(--sp-5) var(--sp-6);box-shadow:var(--sh-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.tl-body:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,59,52,.20);}
.tl-body h3{margin-bottom:var(--sp-2);}
.tl-body p{color:var(--c-text-2);font-size:15.5px;line-height:1.9;max-width:38em;}
.tl-tag{
  display:inline-block;margin-top:var(--sp-4);
  font-size:12px;color:var(--c-jade);background:rgba(47,122,107,.10);
  padding:3px 10px;border-radius:var(--r-pill);
}

/* ---------- 卡片矩阵 ---------- */
.matrix{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--sp-5);}
.matrix-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:var(--sp-5) var(--sp-5) var(--sp-4);
  display:flex;flex-direction:column;gap:var(--sp-3);
  box-shadow:var(--sh-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.matrix-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,59,52,.20);}
.matrix-card h3{font-size:17.5px;line-height:1.6;}
.matrix-card .meta{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3);margin-top:auto;padding-top:var(--sp-3);border-top:1px solid var(--c-line);}
.matrix-card .meta time{font-family:var(--font-en);font-size:13px;color:var(--c-text-3);}
.matrix-card .more{font-size:14px;font-weight:500;display:inline-flex;align-items:center;gap:6px;}
.matrix-card .more svg{transition:transform .2s ease;}
.matrix-card .more:hover svg{transform:translateX(3px);}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:var(--sp-4);
  min-height:56px;padding:var(--sp-4) 0;
  font-size:17px;font-weight:600;color:var(--c-text);line-height:1.6;
}
.faq-q:hover{color:var(--c-brand);}
.faq-q .arrow{
  flex:0 0 24px;width:24px;height:24px;display:flex;align-items:center;justify-content:center;
  color:var(--c-jade);transition:transform .25s ease;
}
.faq-q[aria-expanded="true"] .arrow{transform:rotate(180deg);}
.faq-a{
  display:none;padding:0 0 var(--sp-5) 20px;
  border-left:3px solid var(--c-jade);margin-bottom:var(--sp-2);
}
.faq-a.is-open{display:block;}
.faq-a p{color:var(--c-text-2);font-size:15.5px;line-height:1.95;}

/* ---------- 底部 CTA ---------- */
.cta-block{
  background:var(--c-brand);
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.035) 0 12px,rgba(255,255,255,0) 12px 26px);
  border-radius:var(--r-card);
  padding:var(--sp-8) var(--sp-8);
  color:#fff;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--sp-7);align-items:center;
  box-shadow:var(--sh-2);
}
.cta-block h2{color:#fff;font-size:26px;}
.cta-block p{color:rgba(255,255,255,.76);font-size:15px;margin-top:var(--sp-3);max-width:38em;}
.cta-actions{display:flex;gap:var(--sp-3);flex-wrap:wrap;}
.cta-actions .btn{height:48px;padding:0 var(--sp-6);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-brand-deep);color:rgba(255,255,255,.72);margin-top:var(--sp-9);padding-top:var(--sp-8);font-size:14.5px;}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:var(--sp-6);padding-bottom:var(--sp-8);}
.site-footer .logo-text{color:#fff;}
.site-footer .logo-text em{color:rgba(255,255,255,.5);}
.site-footer .logo-mark{background:rgba(255,255,255,.10);}
.footer-brand p{margin-top:var(--sp-4);line-height:1.9;color:rgba(255,255,255,.62);max-width:30em;}
.footer-tel{font-size:13.5px;color:rgba(255,255,255,.5);}
.footer-col h3{font-size:14px;color:#fff;letter-spacing:.06em;margin-bottom:var(--sp-4);}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:var(--c-accent);}
.footer-form{display:flex;gap:var(--sp-2);margin-top:var(--sp-2);}
.footer-form input{
  flex:1 1 auto;min-width:0;height:46px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.20);background:rgba(255,255,255,.06);
  color:#fff;padding:0 var(--sp-4);font-size:14.5px;font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-form input::placeholder{color:rgba(255,255,255,.45);}
.footer-form input:focus{outline:none;border-color:var(--c-jade);box-shadow:0 0 0 3px rgba(47,122,107,.28);}
.footer-form .btn{height:46px;padding:0 var(--sp-5);}
.form-msg{margin-top:10px;font-size:13px;color:#9FD0C2;min-height:18px;}
.form-msg.is-error{color:#F3B0A6;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:var(--sp-5);padding-bottom:var(--sp-6);
  display:flex;align-items:center;justify-content:space-between;gap:var(--sp-4);flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.52);
}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:var(--c-accent);}
.to-top{display:inline-flex;align-items:center;gap:6px;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .footer-main{grid-template-columns:1fr 1fr;row-gap:var(--sp-7);}
  .panel-wrap{grid-template-columns:1fr;}
  .panel-figure{min-height:240px;}
  .panel-body{padding:var(--sp-7) var(--sp-6);}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section-sm{padding:40px 0;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{height:60px;}
  .page-head{padding:56px 0 48px;}
  .page-head .lede{font-size:15px;}
  .sec-head{flex-direction:column;align-items:flex-start;margin-bottom:var(--sp-6);}
  .timeline{padding-left:44px;}
  .timeline::before{left:11px;}
  .tl-dot{left:-44px;width:24px;height:24px;font-size:11px;}
  .tl-body{padding:var(--sp-5);}
  .matrix{grid-template-columns:1fr;}
  .cta-block{grid-template-columns:1fr;padding:var(--sp-7) var(--sp-6);gap:var(--sp-6);}
  .cta-actions .btn{width:100%;}
  .footer-main{grid-template-columns:1fr;gap:var(--sp-6);}
  .footer-form{flex-direction:column;}
  .footer-form .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .badge-row{gap:var(--sp-2);}
  .chip{height:32px;padding:0 var(--sp-3);font-size:12px;}
  .tl-body h3{font-size:17px;}
  .panel-body{padding:var(--sp-6) var(--sp-5);}
}