/* roulang page: index */
/* ========== 设计变量 ========== */
:root{
  --c-brand:#0F4B47;
  --c-brand-2:#17635C;
  --c-brand-soft:#E6EFEC;
  --c-accent:#D06A33;
  --c-bg:#FAF8F4;
  --c-surface:#FFFFFF;
  --c-line:#E5E0D6;
  --c-ink:#16211F;
  --c-ink-2:#4A5A56;
  --c-ink-3:#8A9793;
  --c-dark:#0B2422;
  --c-ok:#2F8F6B;
  --c-err:#B4453A;
  --r-s:8px;
  --r-m:10px;
  --r-l:16px;
  --r-xl:22px;
  --sh-1:0 1px 2px rgba(11,36,34,.05);
  --sh-2:0 18px 40px -18px rgba(11,36,34,.26);
  --ease:cubic-bezier(.22,.61,.36,1);
  --f-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
  --f-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --f-num:"Inter","IBM Plex Sans","Helvetica Neue",Arial,sans-serif;
}

/* ========== 基础 reset ========== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--f-sans);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  text-align:left;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{margin:0;font-family:var(--f-serif);font-weight:600;letter-spacing:-.02em;line-height:1.22;color:var(--c-ink)}
h1{font-size:clamp(34px,5vw,58px);font-weight:700}
h2{font-size:clamp(26px,3.2vw,38px)}
h3{font-size:20px}
h4{font-size:17px}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px}
::selection{background:var(--c-brand-soft);color:var(--c-brand)}

/* ========== 容器与栅格覆写 ========== */
.grid-container{max-width:1200px;padding-left:40px;padding-right:40px;margin-left:auto;margin-right:auto}
.grid-x{margin-left:0;margin-right:0}
.grid-padding-x{margin-left:-12px;margin-right:-12px}
.grid-padding-x>.cell{padding-left:12px;padding-right:12px}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px}
.cell{min-width:0}

/* ========== 通用排版组件 ========== */
.section{padding:104px 0}
.section--tight{padding:80px 0}
.section--soft{background:var(--c-bg)}
.section--paper{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{max-width:760px;margin-bottom:48px}
.section-head--split{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px}
.section-head__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--f-num);font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--c-brand);background:var(--c-brand-soft);
  padding:5px 12px;border-radius:var(--r-s);margin-bottom:16px;font-weight:600;
}
.section-head h2{position:relative;padding-left:18px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;width:4px;height:.86em;
  border-radius:2px;background:var(--c-brand);
}
.section-head__lead{margin-top:12px;color:var(--c-ink-2);font-size:16px;line-height:1.8;max-width:680px}
.text-muted{color:var(--c-ink-2)}
.divider{height:1px;background:var(--c-line);border:0;margin:0}

/* ========== 按钮 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-m);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  border:1.5px solid transparent;background:none;cursor:pointer;
  white-space:nowrap;transition:background-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.btn--primary{background:var(--c-accent);color:#fff}
.btn--primary:hover{background:var(--c-brand);color:#fff;transform:translateY(-1px)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--c-brand);border-color:var(--c-brand)}
.btn--ghost:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.btn--light{background:#fff;color:var(--c-brand)}
.btn--light:hover{background:var(--c-brand-soft);color:var(--c-brand);transform:translateY(-1px)}
.btn--sm{height:36px;padding:0 16px;font-size:14px}
.btn--link{height:auto;padding:0;border:0;color:var(--c-brand);background:none;font-weight:600}
.btn--link:hover{color:var(--c-accent)}
.btn--link i{font-size:12px;transition:transform .22s var(--ease)}
.btn--link:hover i{transform:translateX(4px)}
.btn--link-invert{color:#fff}
.btn--link-invert:hover{color:#fff}
.btn--link-invert i{font-size:12px;transition:transform .22s var(--ease)}
.btn--link-invert:hover i{transform:translateX(4px)}

/* ========== 徽章 / 标签 ========== */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-s);background:var(--c-brand-soft);color:var(--c-brand);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.timestamp{display:inline-flex;align-items:center;gap:6px;color:var(--c-ink-3);font-size:13px;font-family:var(--f-num)}
.timestamp::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-ink-3);display:inline-block}
.tagline{color:var(--c-ink-3);font-size:13px}

/* ========== 顶部导航 ========== */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(250,248,244,.88);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:var(--sh-1)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:baseline;gap:8px;flex:0 0 auto}
.brand__main{font-family:var(--f-serif);font-size:22px;font-weight:700;letter-spacing:-.02em;color:var(--c-ink);line-height:1}
.brand__dot{color:var(--c-ink-3);font-size:15px;line-height:1}
.brand__sub{font-size:13px;color:var(--c-ink-2);line-height:1;letter-spacing:.01em}
.brand:hover .brand__main{color:var(--c-brand)}
.nav-menu{display:flex;align-items:center;gap:32px}
.nav-link{position:relative;font-size:15px;color:var(--c-ink-2);padding:6px 0;font-weight:400}
.nav-link::after{content:"";position:absolute;left:0;right:auto;bottom:0;width:0;height:2px;background:var(--c-brand);transition:width .2s var(--ease)}
.nav-link:hover{color:var(--c-brand)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--c-brand);font-weight:600}
.nav-link.is-active::after{width:100%}
.nav-link.is-active::before{
  content:"";position:absolute;right:-8px;bottom:-1px;width:4px;height:4px;border-radius:50%;background:var(--c-accent);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-m);
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-brand);cursor:pointer;
}
.nav-toggle i{font-size:18px}
.nav-overlay{
  position:fixed;inset:0;background:rgba(11,36,34,.42);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:95;
}
.nav-overlay.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:86vw;max-width:360px;
  background:var(--c-surface);z-index:96;
  transform:translateX(100%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;padding:20px 0 0;
  box-shadow:var(--sh-2);
}
.nav-drawer.is-open{transform:translateX(0)}
.nav-drawer__head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 16px;border-bottom:1px solid var(--c-line)}
.nav-drawer__close{width:44px;height:44px;border-radius:var(--r-m);border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-2);cursor:pointer}
.nav-drawer__list{padding:8px 0;flex:1 1 auto;overflow-y:auto}
.nav-drawer__list a{
  display:flex;align-items:center;height:56px;padding:0 20px;
  font-size:18px;color:var(--c-ink);border-bottom:1px solid var(--c-line);
}
.nav-drawer__list a.is-active{color:var(--c-brand);font-weight:600;background:var(--c-brand-soft)}
.nav-drawer__foot{padding:16px 20px calc(16px + env(safe-area-inset-bottom));border-top:1px solid var(--c-line)}
.nav-drawer__foot .btn{width:100%}

/* ========== Hero ========== */
.hero{
  position:relative;overflow:hidden;
  padding:92px 0 100px;
  background-color:var(--c-dark);
  background-image:
    linear-gradient(104deg,rgba(11,36,34,.90) 0%,rgba(15,75,71,.82) 52%,rgba(15,75,71,.58) 100%),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
}
.hero__inner{position:relative;z-index:2}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.08em;color:#fff;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  padding:6px 14px;border-radius:var(--r-s);margin-bottom:22px;font-weight:600;
}
.hero__title{color:#fff;margin-bottom:18px;text-shadow:0 2px 18px rgba(11,36,34,.35)}
.hero__sub{color:rgba(255,255,255,.84);font-size:17px;line-height:1.8;max-width:520px;margin-bottom:32px}
.hero__actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-bottom:36px}
.hero__trust{display:flex;flex-wrap:wrap;gap:12px 32px;padding-top:24px;border-top:1px solid rgba(255,255,255,.18)}
.hero__trust li{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.82);font-size:14px}
.hero__trust i{color:var(--c-accent);font-size:13px}
.hero__figure{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:0 30px 60px -30px rgba(0,0,0,.55);background:var(--c-brand-soft)}
.hero__figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero__figure figcaption{
  position:absolute;left:16px;right:16px;bottom:16px;
  background:rgba(11,36,34,.74);color:rgba(255,255,255,.9);
  border-radius:var(--r-m);padding:10px 14px;font-size:13px;line-height:1.6;
}
.reveal{opacity:0;animation:riseIn .5s var(--ease) forwards}
.reveal--1{animation-delay:.04s}
.reveal--2{animation-delay:.10s}
.reveal--3{animation-delay:.16s}
.reveal--4{animation-delay:.22s}
@keyframes riseIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}

/* ========== 卖点三连 ========== */
.points__list{border-top:1px solid var(--c-line)}
.point{
  display:flex;gap:24px;align-items:flex-start;
  padding:26px 0;border-bottom:1px solid var(--c-line);
}
.point--indent{margin-left:24px}
.point__num{
  font-family:var(--f-serif);font-size:46px;line-height:1;font-weight:600;
  color:var(--c-brand-soft);flex:0 0 auto;min-width:66px;letter-spacing:-.03em;
}
.point__body h3{margin-bottom:8px;font-size:21px}
.point__body p{color:var(--c-ink-2);font-size:15px;line-height:1.8;max-width:520px}
.points__aside{padding-right:24px}
.points__aside h2{margin-bottom:12px}
.points__aside p{color:var(--c-ink-2);font-size:15px}
.points__aside .btn{margin-top:20px}

/* ========== 场景演示 ========== */
.scene{padding:36px 0}
.scene + .scene{border-top:1px solid var(--c-line)}
.scene__figure{border-radius:var(--r-l);overflow:hidden;background:var(--c-brand-soft);box-shadow:var(--sh-1)}
.scene__figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.scene__body h3{margin-bottom:12px;font-size:22px}
.scene__body p{color:var(--c-ink-2);font-size:15px;line-height:1.85;max-width:540px;margin-bottom:18px}
.scene__list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15px;color:var(--c-ink-2);padding:7px 0;
}
.scene__list i{color:var(--c-brand);font-size:12px;margin-top:8px}
.steps{position:relative;margin-top:56px;padding-top:36px;border-top:1px solid var(--c-line)}
.steps__inner{display:flex;justify-content:space-between;gap:24px}
.step{flex:1 1 0;position:relative;padding-right:24px}
.step::before{
  content:"";position:absolute;left:0;top:-41px;width:10px;height:10px;border-radius:50%;
  background:var(--c-surface);border:2px solid var(--c-brand);
}
.step__idx{font-family:var(--f-num);font-size:13px;color:var(--c-brand);letter-spacing:.1em;display:block;margin-bottom:8px}
.step h4{margin-bottom:6px;font-size:17px}
.step p{font-size:14px;color:var(--c-ink-3);line-height:1.7}

/* ========== 社会认同 ========== */
.proof__quote-mark{font-family:var(--f-serif);font-size:64px;line-height:.8;color:var(--c-brand-soft);display:block;margin-bottom:8px}
.proof__item{padding:18px 0;border-bottom:1px solid var(--c-line)}
.proof__item:last-child{border-bottom:0}
.proof__item p{font-size:15px;color:var(--c-ink-2);margin-bottom:8px}
.proof__who{font-size:13px;color:var(--c-ink-3);font-family:var(--f-num)}
.proof__metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--c-line);border:1px solid var(--c-line);border-radius:var(--r-l);overflow:hidden}
.metric{background:var(--c-surface);padding:26px 24px}
.metric__num{font-family:var(--f-serif);font-size:40px;line-height:1.1;color:var(--c-brand);display:block;margin-bottom:6px;letter-spacing:-.02em}
.metric__label{font-size:14px;color:var(--c-ink-2)}

/* ========== 最新信息（CMS 列表） ========== */
.ipl-news__list{margin-top:8px}
.ipl-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);
  overflow:hidden;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.ipl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-brand-soft)}
.ipl-card__cover{display:block;overflow:hidden;background:var(--c-brand-soft)}
.ipl-card__cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s var(--ease)}
.ipl-card:hover .ipl-card__cover img{transform:scale(1.03)}
.ipl-card__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto}
.ipl-card__meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.ipl-card__title{
  font-size:18px;line-height:1.45;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ipl-card__title a{color:var(--c-ink)}
.ipl-card:hover .ipl-card__title a{color:var(--c-brand)}
.ipl-card__excerpt{
  font-size:14px;line-height:1.7;color:var(--c-ink-2);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ipl-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:16px;border-top:1px solid var(--c-line)}
.ipl-card__foot i{color:var(--c-brand);font-size:12px;transition:transform .22s var(--ease)}
.ipl-card:hover .ipl-card__foot i{transform:translateX(4px)}
.ipl-news__empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  background:var(--c-brand-soft);border-radius:var(--r-l);
  padding:56px 24px;text-align:center;
}
.ipl-news__empty p{color:var(--c-brand);font-size:15px;margin:0}

/* ========== FAQ ========== */
.faq{max-width:820px;margin:0 auto}
.faq__item{border-bottom:1px solid var(--c-line)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:none;border:0;cursor:pointer;text-align:left;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.6;
  transition:color .2s var(--ease);
}
.faq__q:hover{color:var(--c-brand)}
.faq__icon{position:relative;flex:0 0 auto;width:18px;height:18px}
.faq__icon::before,.faq__icon::after{
  content:"";position:absolute;background:var(--c-brand);border-radius:1px;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.faq__icon::before{left:0;top:8px;width:18px;height:2px}
.faq__icon::after{left:8px;top:0;width:2px;height:18px}
.faq__q[aria-expanded="true"] .faq__icon::after{transform:rotate(90deg);opacity:0}
.faq__a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq__a-inner{padding:0 0 22px;background:transparent}
.faq__a p{font-size:15px;line-height:1.85;color:var(--c-ink-2);max-width:700px}

/* ========== CTA 带 ========== */
.cta-band{background:var(--c-dark);padding:88px 0;text-align:center}
.cta-band h2{color:#fff;max-width:640px;margin:0 auto 28px}
.cta-band__note{margin-top:18px;color:rgba(255,255,255,.68);font-size:14px}

/* ========== 页脚 ========== */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-col__title{color:#fff;font-family:var(--f-serif);font-size:16px;font-weight:600;margin-bottom:18px}
.footer-brand{display:flex;align-items:baseline;gap:8px;margin-bottom:16px}
.footer-brand__main{color:#fff;font-family:var(--f-serif);font-size:20px;font-weight:700}
.footer-brand__sub{color:rgba(255,255,255,.72);font-size:13px}
.footer-about{font-size:14px;line-height:1.8;max-width:300px;color:rgba(255,255,255,.66)}
.footer-links li{margin-bottom:12px}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px}
.footer-links a:hover{color:var(--c-accent)}
.footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:12px;color:rgba(255,255,255,.72)}
.footer-contact i{color:var(--c-accent);font-size:13px;margin-top:6px}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 calc(22px + env(safe-area-inset-bottom));
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.56);font-family:var(--f-num);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--c-accent)}
.footer-bottom__group{display:flex;flex-wrap:wrap;gap:20px}

/* ========== 底部固定转化条 ========== */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:var(--c-dark);
  padding:0 20px calc(env(safe-area-inset-bottom));
  transform:translateY(110%);transition:transform .24s var(--ease);
  box-shadow:0 -12px 30px -18px rgba(0,0,0,.6);
}
.sticky-cta.is-visible{transform:translateY(0)}
.sticky-cta__inner{
  max-width:1200px;margin:0 auto;height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.sticky-cta__text{color:#fff;font-size:14px;line-height:1.4}
.sticky-cta__text span{display:block;color:rgba(255,255,255,.6);font-size:12px;margin-top:2px}

/* ========== 空态 / 辅助 ========== */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.breadcrumb{font-size:13px;color:var(--c-ink-3);display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.breadcrumb a{color:var(--c-ink-2)}
.breadcrumb .sep{color:var(--c-ink-3)}

/* ========== 响应式 ========== */
@media (max-width:1199px){
  .grid-container{padding-left:32px;padding-right:32px}
  .section{padding:88px 0}
  .nav-menu{gap:24px}
}
@media (max-width:1023px){
  .grid-container{padding-left:28px;padding-right:28px}
  .section{padding:72px 0}
  .section-head{margin-bottom:36px}
  .section-head--split{flex-direction:column;align-items:flex-start;gap:16px}
  .hero{padding:72px 0 76px}
  .hero__sub{margin-bottom:26px}
  .nav-menu{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn{display:none}
  .points__aside{padding-right:0;margin-bottom:32px}
  .point__num{font-size:36px;min-width:52px}
  .point--indent{margin-left:0}
  .steps__inner{flex-direction:column;gap:0}
  .step{padding:20px 0 4px 0;border-bottom:1px solid var(--c-line)}
  .step:last-child{border-bottom:0}
  .step::before{top:32px;left:0}
  .step{padding-left:26px}
  .steps{padding-top:20px;border-top:0}
  .proof__metrics{margin-top:32px}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.8}
  .grid-container{padding-left:20px;padding-right:20px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .nav-bar{height:60px}
  .brand__main{font-size:19px}
  .brand__sub{font-size:12px}
  .hero{padding:56px 0 60px}
  .hero__title{margin-bottom:14px}
  .hero__sub{font-size:15px}
  .hero__actions{gap:14px;margin-bottom:28px}
  .hero__actions .btn{flex:1 1 auto;min-width:150px}
  .hero__trust{gap:10px 20px;padding-top:20px}
  .hero__trust li{font-size:13px}
  .hero__figure{margin-top:36px}
  .point{flex-direction:column;gap:10px;padding:22px 0}
  .point__num{font-size:32px;min-width:0}
  .scene{padding:26px 0}
  .scene__body{margin-top:22px}
  .proof__metrics{grid-template-columns:1fr}
  .metric{padding:22px 20px}
  .metric__num{font-size:32px}
  .ipl-card__body{padding:18px 20px 20px}
  .faq__q{font-size:16px;padding:18px 0}
  .cta-band{padding:64px 0}
  .site-footer{padding:56px 0 0}
  .sticky-cta__inner{height:60px}
  .sticky-cta .btn{height:40px;padding:0 18px;font-size:14px}
}
@media (max-width:575px){
  .hero__eyebrow{font-size:12px;padding:5px 10px}
  .hero__actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .sticky-cta__text span{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --c-brand:#0F4B47;
  --c-brand-2:#17635C;
  --c-brand-soft:#E6EFEC;
  --c-accent:#D06A33;
  --c-bg:#FAF8F4;
  --c-surface:#FFFFFF;
  --c-line:#E5E0D6;
  --c-ink:#16211F;
  --c-ink-2:#4A5A56;
  --c-ink-3:#8A9793;
  --c-dark:#0B2422;
  --c-ok:#2F8F6B;
  --c-err:#B4453A;
  --r-s:8px;
  --r-m:10px;
  --r-l:16px;
  --r-xl:22px;
  --sh-1:0 1px 2px rgba(11,36,34,.05);
  --sh-2:0 18px 40px -18px rgba(11,36,34,.26);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",Georgia,serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-num:"Inter","IBM Plex Sans",-apple-system,"Segoe UI",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink);
  font-family:var(--font-sans);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--c-brand-2);}
h1,h2,h3,h4,h5,h6{font-family:var(--font-serif);font-weight:700;letter-spacing:-.02em;line-height:1.25;margin:0;color:var(--c-ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;border:none;background:none;cursor:pointer;color:inherit;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;}
.grid-container{max-width:1200px;margin:0 auto;padding-left:40px;padding-right:40px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-m);
  font-family:var(--font-sans);font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:all .22s var(--ease);white-space:nowrap;
}
.btn--primary{background:var(--c-accent);color:#fff;border:1.5px solid var(--c-accent);}
.btn--primary:hover{background:var(--c-brand);border-color:var(--c-brand);color:#fff;transform:translateY(-1px);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:transparent;color:var(--c-brand);border:1.5px solid var(--c-brand);}
.btn--ghost:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.btn--sm{height:40px;padding:0 20px;font-size:14px;}
.btn--lg{height:48px;padding:0 30px;font-size:16px;}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--c-brand);font-weight:600;font-size:15px;}
.text-link i{font-size:12px;transition:transform .22s var(--ease);}
.text-link:hover i{transform:translateX(4px);}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-s);background:var(--c-brand-soft);color:var(--c-brand);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,248,244,.88);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:var(--sh-1);}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:baseline;gap:6px;color:var(--c-ink);}
.brand:hover{color:var(--c-ink);}
.brand__main{font-family:var(--font-serif);font-size:22px;font-weight:700;letter-spacing:-.02em;}
.brand__dot{color:var(--c-accent);font-weight:700;}
.brand__sub{font-size:13px;color:var(--c-ink-2);}
.nav-menu{display:flex;align-items:center;gap:32px;margin-left:auto;}
.nav-link{position:relative;padding:6px 0;font-size:15px;color:var(--c-ink-2);}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--c-brand);transition:width .2s var(--ease);
}
.nav-link:hover{color:var(--c-brand);}
.nav-link:hover::after,.nav-link.is-active::after{width:100%;}
.nav-link.is-active{color:var(--c-ink);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:16px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-m);
  background:var(--c-brand-soft);color:var(--c-brand);font-size:18px;
  transition:background .2s var(--ease);
}
.nav-toggle:hover{background:#D8E6E1;}

/* ---------- 移动端抽屉 ---------- */
.nav-drawer{
  position:fixed;top:0;right:0;z-index:90;
  width:86vw;max-width:380px;height:100%;
  background:#fff;display:flex;flex-direction:column;
  padding:20px;transform:translateX(105%);
  transition:transform .26s var(--ease);
  box-shadow:0 0 40px rgba(11,36,34,.18);
}
.nav-drawer.is-open{transform:translateX(0);}
.nav-drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--c-line);}
.nav-drawer__close{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-m);background:var(--c-brand-soft);color:var(--c-brand);font-size:18px;
}
.nav-drawer__links{flex:1;padding-top:8px;overflow-y:auto;}
.nav-drawer__links a{
  display:flex;align-items:center;height:56px;font-size:18px;
  color:var(--c-ink);border-bottom:1px solid var(--c-line);
}
.nav-drawer__links a.is-active{color:var(--c-brand);font-weight:600;}
.nav-drawer__foot{padding-top:18px;}
.nav-drawer__foot .btn{width:100%;}
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(11,36,34,.45);
  opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:22px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);}
.breadcrumb li{display:flex;align-items:center;gap:8px;min-width:0;}
.breadcrumb li+li::before{content:"/";color:#C9C2B4;}
.breadcrumb a{color:var(--c-ink-2);}
.breadcrumb a:hover{color:var(--c-brand);}
.breadcrumb [aria-current]{color:var(--c-ink-3);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-head{max-width:860px;padding:26px 0 34px;}
.article-head h1{font-size:clamp(28px,3.6vw,42px);line-height:1.28;margin:16px 0 18px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;font-size:13px;color:var(--c-ink-3);font-family:var(--font-num);}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-line);}

/* ---------- 文章主体布局 ---------- */
.article-layout{padding:6px 0 76px;}
.article-layout.is-solo .article-main{width:100%;max-width:800px;margin:0 auto;float:none;}
.post{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-l);padding:40px;box-shadow:var(--sh-1);
}
.post-body{font-size:17px;line-height:1.9;color:var(--c-ink);max-width:760px;}
.post-body p{margin:0 0 1.2em;}
.post-body h2{
  position:relative;padding-left:16px;scroll-margin-top:110px;
  font-size:clamp(22px,2.6vw,28px);margin:1.9em 0 .8em;
}
.post-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;
  width:4px;border-radius:2px;background:var(--c-brand);
}
.post-body h3{font-size:20px;margin:1.6em 0 .6em;}
.post-body h4{font-size:17px;margin:1.4em 0 .5em;}
.post-body ul,.post-body ol{margin:0 0 1.2em;padding-left:0;}
.post-body li{position:relative;padding-left:22px;margin-bottom:10px;}
.post-body li::before{
  content:"";position:absolute;left:2px;top:.68em;
  width:7px;height:7px;border-radius:2px;background:var(--c-brand);
}
.post-body ol{counter-reset:item;}
.post-body ol li::before{
  counter-increment:item;content:counter(item);
  width:auto;height:auto;background:none;border-radius:0;
  color:var(--c-brand);font-family:var(--font-num);font-weight:600;font-size:15px;top:0;
}
.post-body blockquote{
  margin:1.5em 0;padding:18px 22px;border-radius:var(--r-m);
  background:var(--c-brand-soft);border-left:3px solid var(--c-brand);
  color:var(--c-ink-2);font-size:16px;
}
.post-body blockquote p:last-child{margin-bottom:0;}
.post-body img{border-radius:12px;margin:1.6em auto;max-width:100%;height:auto;}
.post-body a{color:var(--c-brand);text-decoration:underline;text-underline-offset:3px;}
.post-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;}
.post-body th,.post-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left;}
.post-body th{background:var(--c-brand-soft);font-weight:600;}
.post-body figcaption{text-align:center;font-size:13px;color:var(--c-ink-3);margin-top:-.8em;margin-bottom:1.6em;}
.post-body hr{border:none;border-top:1px solid var(--c-line);margin:2em 0;}

.post-exits{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:26px;padding-top:22px;border-top:1px solid var(--c-line);
}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:64px 24px;border-radius:var(--r-l);
  background:var(--c-brand-soft);
}
.empty-state p{font-size:15px;color:var(--c-ink-2);margin-bottom:14px;}

/* ---------- 侧栏 ---------- */
.aside-sticky{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px;}
.toc{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-l);padding:22px;box-shadow:var(--sh-1);
}
.toc__title{font-size:16px;margin-bottom:12px;}
.toc ul li a{
  display:block;padding:8px 0 8px 12px;font-size:14px;color:var(--c-ink-2);
  border-left:2px solid var(--c-line);transition:all .2s var(--ease);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.toc ul li a:hover{color:var(--c-brand);border-left-color:var(--c-brand-soft);}
.toc ul li a.is-active{color:var(--c-brand);border-left-color:var(--c-brand);font-weight:600;}
.aside-cta{background:var(--c-brand-soft);border-radius:var(--r-l);padding:24px;}
.aside-cta h3{font-size:18px;margin-bottom:8px;}
.aside-cta p{font-size:14px;line-height:1.7;color:var(--c-ink-2);margin-bottom:16px;}
.aside-cta .btn{width:100%;}

/* ---------- 文章底部转化区 ---------- */
.article-cta{background:var(--c-dark);color:#fff;padding:76px 0;text-align:center;}
.article-cta h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:22px;}
.article-cta .btn--primary:hover{background:#fff;border-color:#fff;color:var(--c-dark);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14px;}
.footer-brand{display:flex;align-items:baseline;gap:8px;color:#fff;margin-bottom:14px;}
.footer-brand__main{font-family:var(--font-serif);font-size:20px;font-weight:700;letter-spacing:-.02em;}
.footer-brand__sub{font-size:13px;color:rgba(255,255,255,.72);}
.footer-about{font-size:13px;line-height:1.8;color:rgba(255,255,255,.6);max-width:260px;}
.footer-col__title{font-family:var(--font-serif);font-size:16px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-links a:hover{color:var(--c-accent);}
.footer-contact li{display:flex;gap:10px;margin-bottom:10px;font-size:13px;color:rgba(255,255,255,.72);line-height:1.7;}
.footer-contact i{color:var(--c-accent);margin-top:5px;font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:24px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom__group{display:flex;flex-wrap:wrap;align-items:center;gap:18px;}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .grid-container{padding-left:28px;padding-right:28px;}
  .nav-menu{gap:24px;}
}
@media screen and (max-width:1023px){
  .nav-menu{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn--sm{display:none;}
  .article-layout{padding-bottom:60px;}
  .post{padding:32px 28px;}
  .aside-sticky{position:static;margin-top:32px;}
  .article-cta{padding:60px 0;}
}
@media screen and (max-width:767px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .nav-bar{height:60px;}
  .brand__main{font-size:20px;}
  .brand__sub{font-size:12px;}
  .article-head{padding:18px 0 26px;}
  .article-head h1{font-size:26px;line-height:1.32;}
  .post{padding:24px 20px;border-radius:var(--r-l);}
  .post-body{font-size:16px;line-height:1.85;}
  .post-body h2{font-size:21px;padding-left:14px;}
  .footer-about{max-width:100%;}
  .site-footer{padding-top:48px;}
}
@media screen and (max-width:575px){
  .article-meta{gap:12px;font-size:12.5px;}
  .post-body{font-size:16px;}
  .breadcrumb [aria-current]{max-width:180px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .btn:hover{transform:none;}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root{
  --c-brand:#0F4B47;
  --c-brand-2:#17635C;
  --c-brand-soft:#E6EFEC;
  --c-accent:#D06A33;
  --c-bg:#FAF8F4;
  --c-surface:#FFFFFF;
  --c-line:#E5E0D6;
  --c-ink:#16211F;
  --c-ink-2:#4A5A56;
  --c-ink-3:#8A9793;
  --c-dark:#0B2422;
  --c-ok:#2F8F6B;
  --c-err:#B4453A;

  --r-s:8px;
  --r-m:10px;
  --r-l:16px;
  --r-xl:22px;

  --sh-1:0 1px 2px rgba(11,36,34,.05);
  --sh-2:0 18px 40px -18px rgba(11,36,34,.26);

  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:220ms;

  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-num:"Inter","IBM Plex Sans","Helvetica Neue",Arial,sans-serif;

  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:40px; --sp-6:56px; --sp-7:72px; --sp-8:96px;
}

/* ===== reset / base ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-brand);text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover{color:var(--c-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;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;}
::selection{background:var(--c-brand-soft);color:var(--c-brand);}

/* Foundation 覆写 */
.grid-container{max-width:1200px;padding-left:40px;padding-right:40px;margin-left:auto;margin-right:auto;}
.grid-container.full{padding-left:0;padding-right:0;}
.grid-x{margin-left:-12px;margin-right:-12px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;}
.button,.button.primary,.button.secondary,.callout,.card,.menu{background:none;box-shadow:none;border:0;color:inherit;}

/* ===== 通用排版 ===== */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--soft{background:var(--c-surface);}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:13px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--c-brand);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);display:block;}
h1,h2,h3{font-family:var(--font-serif);font-weight:700;letter-spacing:-.02em;color:var(--c-ink);}
h1{font-size:clamp(34px,5vw,58px);line-height:1.18;}
h2{font-size:clamp(26px,3.2vw,38px);line-height:1.22;}
h3{font-size:21px;line-height:1.35;font-weight:600;}
.lead{font-size:17px;color:var(--c-ink-2);line-height:1.85;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-m);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn--primary{background:var(--c-accent);color:#fff;border-color:var(--c-accent);}
.btn--primary:hover{background:var(--c-brand);border-color:var(--c-brand);color:#fff;transform:translateY(-1px);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:transparent;color:var(--c-brand);border-color:var(--c-brand);}
.btn--ghost:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.btn--sm{height:36px;padding:0 18px;font-size:14px;border-radius:var(--r-m);}
.btn--block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-brand);
}
.link-arrow i{font-size:12px;transition:transform var(--dur) var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}

/* ===== 徽章 / 标签 ===== */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-s);background:var(--c-brand-soft);color:var(--c-brand);
  font-size:12px;letter-spacing:.02em;line-height:1;
}
.timestamp{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--c-ink-3);font-family:var(--font-num);
}
.timestamp::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-ink-3);display:block;}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,248,244,.88);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:var(--sh-1);}
.nav-bar{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.brand{display:inline-flex;align-items:baseline;gap:7px;color:var(--c-ink);}
.brand:hover{color:var(--c-ink);}
.brand__main{font-family:var(--font-serif);font-size:22px;font-weight:700;letter-spacing:-.01em;color:var(--c-brand);}
.brand__dot{color:var(--c-accent);font-size:16px;line-height:1;}
.brand__sub{font-size:13px;color:var(--c-ink-2);letter-spacing:.01em;}
.nav-menu{display:flex;align-items:center;gap:32px;margin-left:auto;}
.nav-link{
  position:relative;font-size:15px;color:var(--c-ink-2);padding:6px 0;line-height:1.4;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--c-brand);
  transition:right var(--dur) var(--ease);
}
.nav-link:hover{color:var(--c-brand);}
.nav-link.is-active{color:var(--c-brand);font-weight:600;}
.nav-link.is-active::after{right:0;}
.nav-link.is-active::before{
  content:"";position:absolute;right:0;bottom:-1px;width:4px;height:4px;border-radius:50%;background:var(--c-accent);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-m);
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-brand);font-size:17px;
  align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--c-brand);}

/* 移动抽屉 */
.nav-drawer{
  position:fixed;top:0;right:0;z-index:90;
  width:86vw;max-width:380px;height:100%;
  background:var(--c-surface);border-left:1px solid var(--c-line);
  transform:translateX(100%);transition:transform 260ms var(--ease);
  display:flex;flex-direction:column;padding:20px;
}
body.nav-open .nav-drawer{transform:translateX(0);}
.nav-mask{
  position:fixed;inset:0;z-index:80;background:rgba(11,36,34,.42);
  opacity:0;visibility:hidden;transition:opacity var(--dur) var(--ease),visibility var(--dur) var(--ease);
}
body.nav-open .nav-mask{opacity:1;visibility:visible;}
.nav-drawer__head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line);}
.nav-drawer__close{width:44px;height:44px;border:0;background:transparent;color:var(--c-ink-2);font-size:20px;}
.nav-drawer__links{display:flex;flex-direction:column;flex:1;padding-top:8px;}
.nav-drawer__links a{
  display:flex;align-items:center;height:56px;font-size:18px;color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);
}
.nav-drawer__links a.is-active{color:var(--c-brand);font-weight:600;}
.nav-drawer__foot{padding-top:16px;}
.nav-drawer__foot .btn{width:100%;}

/* ===== 分类页头 Banner ===== */
.cat-banner{
  position:relative;
  min-height:300px;
  display:flex;align-items:center;
  background-image:linear-gradient(120deg,rgba(15,75,71,.78),rgba(11,36,34,.72)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  border-radius:0 0 var(--r-xl) var(--r-xl);
  overflow:hidden;
}
.cat-banner__inner{max-width:820px;margin:0 auto;text-align:center;padding:64px 0;color:#fff;}
.cat-banner h1{color:#fff;margin-bottom:14px;}
.cat-banner__sub{font-size:16px;color:rgba(255,255,255,.82);line-height:1.7;}
.cat-banner__tag{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;
  padding:6px 14px;border-radius:var(--r-s);
  background:rgba(255,255,255,.14);color:#fff;font-size:13px;letter-spacing:.04em;
}

/* 面包屑 */
.breadcrumb{padding:22px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--c-ink-3);}
.breadcrumb li{display:flex;align-items:center;gap:10px;}
.breadcrumb li+li::before{content:"/";color:var(--c-line);}
.breadcrumb a{color:var(--c-ink-2);}
.breadcrumb a:hover{color:var(--c-brand);}
.breadcrumb [aria-current="page"]{color:var(--c-ink-3);}

/* ===== 分类页两栏 ===== */
.cat-layout{margin-top:40px;}
.cat-main{max-width:760px;}
.cat-intro h2{margin-bottom:14px;}
.cat-intro p{color:var(--c-ink-2);margin-bottom:16px;}
.cat-figure{margin:28px 0 0;}
.cat-figure__img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-l);background:var(--c-brand-soft);border:1px solid var(--c-line);
}
.cat-figure figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:10px;}

.cat-meta{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
  margin:30px 0 8px;padding:20px 0;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
}
.cat-meta__item span{display:block;}
.cat-meta__label{font-size:12px;color:var(--c-ink-3);letter-spacing:.06em;margin-bottom:4px;}
.cat-meta__value{font-size:15px;color:var(--c-ink);font-weight:600;font-family:var(--font-serif);}

.block-title{font-family:var(--font-serif);font-size:26px;margin:52px 0 6px;}
.block-desc{font-size:15px;color:var(--c-ink-2);margin-bottom:8px;}

/* 条目列表 */
.entry-list{margin-top:20px;}
.entry{
  display:grid;grid-template-columns:64px 1fr;gap:20px;
  padding:26px 0;border-bottom:1px solid var(--c-line);
  transition:background-color var(--dur) var(--ease);
}
.entry:first-child{border-top:1px solid var(--c-line);}
.entry:hover{background:rgba(230,239,236,.32);}
.entry__no{
  font-family:var(--font-serif);font-size:44px;line-height:1;color:var(--c-brand-soft);
  -webkit-text-stroke:1px var(--c-brand);letter-spacing:-.02em;
}
.entry__body h3{margin-bottom:8px;}
.entry__body p{font-size:15px;color:var(--c-ink-2);line-height:1.8;}
.entry__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}

/* 侧栏 */
.cat-side{position:sticky;top:96px;}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);
  padding:24px;margin-bottom:20px;box-shadow:var(--sh-1);
}
.side-card__title{font-size:17px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--c-line);}
.anchor-list li+li{margin-top:10px;}
.anchor-list a{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--c-ink-2);}
.anchor-list a::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--c-brand-soft);transition:background-color var(--dur) var(--ease);}
.anchor-list a:hover{color:var(--c-brand);}
.anchor-list a:hover::before{background:var(--c-accent);}
.side-cta{
  background:var(--c-brand-soft);border:1px solid #D5E4E0;border-radius:var(--r-l);
  padding:22px;text-align:left;
}
.side-cta img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-m);
  margin-bottom:16px;background:#fff;
}
.side-cta h3{font-size:18px;margin-bottom:6px;color:var(--c-brand);}
.side-cta p{font-size:14px;color:var(--c-ink-2);line-height:1.7;margin-bottom:16px;}

/* FAQ */
.faq-wrap{margin-top:56px;}
.faq-list{max-width:820px;border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item__h{margin:0;font-size:17px;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:64px;padding:16px 0;background:transparent;border:0;text-align:left;
  font-family:var(--font-sans);font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.5;
}
.faq-q:hover{color:var(--c-brand);}
.faq-icon{position:relative;flex:0 0 20px;width:20px;height:20px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-brand);border-radius:1px;
  transition:transform 240ms var(--ease),opacity 240ms var(--ease);
}
.faq-icon::before{left:2px;right:2px;top:9px;height:2px;}
.faq-icon::after{top:2px;bottom:2px;left:9px;width:2px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms var(--ease);}
.faq-item.is-open .faq-a{max-height:320px;}
.faq-a__inner{padding:0 0 20px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}
.faq-item.is-open .faq-q{color:var(--c-brand);}

/* CTA 带 */
.cta-band{background:var(--c-dark);padding:88px 0;text-align:center;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:18px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin-top:16px;}

/* 页脚 */
.site-footer{background:var(--c-dark);color:#fff;padding:72px 0 0;}
.footer-brand{display:flex;align-items:baseline;gap:7px;margin-bottom:14px;}
.footer-brand__main{font-family:var(--font-serif);font-size:22px;font-weight:700;color:#fff;}
.footer-brand__sub{font-size:13px;color:rgba(255,255,255,.72);}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:300px;}
.footer-col__title{font-family:var(--font-sans);font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-links li+li,.footer-contact li+li{margin-top:12px;}
.footer-links a,.footer-contact li{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--c-accent);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.7;}
.footer-contact i{color:var(--c-accent);font-size:13px;margin-top:6px;}
.footer-bottom{
  margin-top:40px;padding:22px 0 30px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom__group{display:flex;align-items:center;gap:20px;}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ===== 响应式 ===== */
@media screen and (max-width:1199px){
  .grid-container{padding-left:28px;padding-right:28px;}
  .section{padding:80px 0;}
  .cat-side{position:static;margin-top:40px;}
}
@media screen and (max-width:1023px){
  .nav-menu{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn--sm{display:none;}
  .cat-banner{min-height:260px;}
  .cat-banner__inner{padding:52px 0;}
  .cat-main{max-width:100%;}
  .cat-side{margin-top:48px;}
}
@media screen and (max-width:767px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .section{padding:64px 0;}
  .section--tight{padding:56px 0;}
  .nav-bar{height:60px;}
  .brand__main{font-size:20px;}
  .brand__sub{font-size:12px;}
  .cat-banner{min-height:230px;border-radius:0 0 var(--r-l) var(--r-l);}
  .cat-banner__inner{padding:44px 0;}
  .cat-banner__sub{font-size:15px;}
  .cat-meta{grid-template-columns:1fr;gap:14px;padding:18px 0;}
  .entry{grid-template-columns:1fr;gap:10px;padding:22px 0;}
  .entry__no{font-size:32px;}
  .cta-band{padding:64px 0;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:575px){
  h1{font-size:32px;}
  h2{font-size:24px;}
  .section{padding:56px 0;}
  .cat-banner{min-height:200px;}
  .faq-q{font-size:16px;min-height:58px;}
  .btn{width:100%;}
  .link-arrow{width:auto;}
  .cat-side .btn{width:100%;}
  .grid-x{margin-left:-10px;margin-right:-10px;}
  .grid-x>.cell{padding-left:10px;padding-right:10px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --c-brand:#0F4B47;
  --c-brand-2:#17635C;
  --c-brand-soft:#E6EFEC;
  --c-accent:#D06A33;
  --c-bg:#FAF8F4;
  --c-surface:#FFFFFF;
  --c-line:#E5E0D6;
  --c-ink:#16211F;
  --c-ink-2:#4A5A56;
  --c-ink-3:#8A9793;
  --c-dark:#0B2422;
  --c-ok:#2F8F6B;
  --c-err:#B4453A;
  --r-s:8px;
  --r-m:10px;
  --r-l:16px;
  --r-xl:22px;
  --sh-1:0 1px 2px rgba(11,36,34,.05);
  --sh-2:0 18px 40px -18px rgba(11,36,34,.26);
  --ease:cubic-bezier(.22,.61,.36,1);
  --f-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --f-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --f-num:"Inter","IBM Plex Sans","PingFang SC",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--f-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-brand);text-decoration:none;}
h1,h2,h3,h4{font-family:var(--f-serif);font-weight:700;letter-spacing:-.02em;line-height:1.22;margin:0;color:var(--c-ink);}
p{margin:0 0 1em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;}
.grid-container{max-width:1200px;padding-left:40px;padding-right:40px;}
.grid-container .grid-container{padding-left:0;padding-right:0;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,248,244,.88);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:var(--sh-1);}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;align-items:baseline;gap:6px;min-width:0;}
.brand__main{font-family:var(--f-serif);font-size:22px;font-weight:700;color:var(--c-ink);letter-spacing:-.02em;}
.brand__dot{color:var(--c-accent);font-size:15px;line-height:1;}
.brand__sub{font-size:13px;color:var(--c-ink-2);white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:32px;}
.nav-link{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;color:var(--c-ink-2);
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--c-brand);transition:width .2s var(--ease);
}
.nav-link::before{
  content:"";position:absolute;right:-7px;bottom:-1px;width:4px;height:4px;border-radius:50%;
  background:var(--c-accent);opacity:0;transition:opacity .2s var(--ease);
}
.nav-link:hover{color:var(--c-brand);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--c-brand);font-weight:600;}
.nav-link.is-active::after{width:100%;}
.nav-link.is-active::before{opacity:1;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--r-m);
  background:var(--c-surface);color:var(--c-brand);font-size:17px;cursor:pointer;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--c-brand);background:var(--c-brand-soft);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-m);
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn--sm{height:40px;padding:0 20px;font-size:14px;}
.btn--primary{background:var(--c-accent);color:#fff;}
.btn--primary:hover{background:var(--c-brand);color:#fff;transform:translateY(-1px);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:transparent;color:var(--c-brand);border-color:var(--c-brand);}
.btn--ghost:hover{background:var(--c-brand-soft);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--c-brand);}
.link-arrow i{font-size:12px;transition:transform .2s var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- banner ---------- */
.page-banner{position:relative;min-height:260px;display:flex;align-items:center;overflow:hidden;background:var(--c-dark);}
.page-banner__bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.5;}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,36,34,.90) 8%,rgba(15,75,71,.62) 68%,rgba(15,75,71,.40) 100%);
}
.page-banner .grid-container{position:relative;z-index:2;width:100%;}
.page-banner__inner{max-width:900px;padding:56px 0 52px;}
.page-banner__eyebrow{
  display:inline-block;margin:0 0 14px;padding:4px 12px;border-radius:var(--r-s);
  background:rgba(255,255,255,.12);color:rgba(255,255,255,.88);
  font-size:12px;letter-spacing:.06em;line-height:1.6;
}
.page-banner__title{
  color:#fff;font-size:clamp(30px,4.2vw,46px);letter-spacing:-.02em;margin:0 0 14px;
}
.page-banner__sub{margin:0;color:rgba(255,255,255,.80);font-size:15px;}

/* ---------- breadcrumb ---------- */
.breadcrumb-wrap{padding-top:22px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);}
.breadcrumb a{color:var(--c-ink-2);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--c-brand);}
.breadcrumb__sep{color:#C9C2B4;}
.breadcrumb__current{color:var(--c-ink-3);}

/* ---------- sections ---------- */
.sec{padding:96px 0;}
.sec--lead{padding-top:56px;}
.sec--plain{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.sec__head{max-width:760px;margin-bottom:44px;}
.sec__title{font-size:clamp(26px,3.2vw,38px);margin-bottom:12px;}
.sec__desc{margin:0;color:var(--c-ink-2);font-size:16px;line-height:1.85;}
.sec__head--wide{max-width:900px;}

/* ---------- zigzag ---------- */
.zz{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.zz + .zz{margin-top:88px;}
.zz--reverse .zz__media{order:2;}
.zz__media{
  border-radius:var(--r-l);overflow:hidden;background:var(--c-brand-soft);
  aspect-ratio:16/10;box-shadow:var(--sh-1);
}
.zz__media img{width:100%;height:100%;object-fit:cover;transition:transform .26s var(--ease);}
.zz__media:hover img{transform:scale(1.03);}
.zz__body h3{font-size:22px;margin-bottom:12px;}
.zz__body p{color:var(--c-ink-2);margin-bottom:18px;}
.zz__list{list-style:none;margin:0;padding:0;}
.zz__list li{position:relative;padding-left:20px;margin-bottom:12px;font-size:15px;line-height:1.7;color:var(--c-ink-2);}
.zz__list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--c-brand);
}
.zz__list li:last-child{margin-bottom:0;}

/* ---------- info grid ---------- */
.info-grid{margin:0 -12px;}
.info-cell{padding:0 12px;}
.info-cell__inner{border-top:2px solid var(--c-brand-soft);padding:22px 0 4px;transition:border-color .2s var(--ease);}
.info-cell__inner:hover{border-top-color:var(--c-brand);}
.info-cell__label{
  display:block;font-family:var(--f-num);font-size:12px;letter-spacing:.08em;
  color:var(--c-ink-3);margin-bottom:10px;
}
.info-cell h3{font-size:17px;margin-bottom:10px;}
.info-cell p{margin:0;font-size:14px;line-height:1.75;color:var(--c-ink-2);}

/* ---------- compare table ---------- */
.table-wrap{
  overflow-x:auto;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-l);box-shadow:var(--sh-1);
}
table.cmp{width:100%;min-width:760px;border-collapse:collapse;}
table.cmp caption{
  caption-side:top;text-align:left;padding:20px 24px 0;
  font-size:13px;color:var(--c-ink-3);
}
table.cmp th{
  background:var(--c-brand-soft);color:var(--c-brand);
  font-size:14px;font-weight:600;text-align:left;
  padding:16px 24px;white-space:nowrap;
}
table.cmp td{
  padding:16px 24px;font-size:14px;line-height:1.75;color:var(--c-ink-2);
  border-top:1px solid var(--c-line);vertical-align:top;
}
table.cmp td:first-child{color:var(--c-ink);font-weight:600;white-space:nowrap;}
table.cmp tbody tr{transition:background .2s var(--ease);}
table.cmp tbody tr:hover{background:#F6F3ED;}

/* ---------- faq ---------- */
.faq{max-width:900px;}
.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;
  padding:22px 2px;border:0;background:transparent;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--c-ink);text-align:left;
  min-height:44px;transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--c-brand);}
.faq-q__icon{position:relative;width:16px;height:16px;flex:0 0 16px;transition:transform .24s var(--ease);}
.faq-q__icon::before,
.faq-q__icon::after{content:"";position:absolute;background:var(--c-brand);}
.faq-q__icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-q__icon::after{left:7px;top:0;width:2px;height:16px;transition:opacity .24s var(--ease);}
.faq-item.is-open .faq-q__icon{transform:rotate(90deg);}
.faq-item.is-open .faq-q__icon::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a__inner{
  padding:2px 24px 22px 2px;font-size:15px;line-height:1.8;color:var(--c-ink-2);
}

/* ---------- notice bar ---------- */
.notice-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  background:var(--c-brand-soft);border-radius:var(--r-l);padding:26px 30px;
}
.notice-bar__text{margin:0;font-size:15px;color:var(--c-ink);}
.notice-bar__text strong{font-family:var(--f-serif);font-weight:700;}

/* ---------- drawer ---------- */
.nav-drawer{
  position:fixed;top:0;right:0;z-index:90;width:86vw;max-width:400px;height:100%;
  background:var(--c-surface);box-shadow:var(--sh-2);
  transform:translateX(100%);transition:transform .24s var(--ease);
  display:flex;flex-direction:column;padding:20px 24px 28px;
}
.nav-drawer.is-open{transform:translateX(0);}
.nav-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.nav-drawer__title{font-family:var(--f-serif);font-size:18px;color:var(--c-ink);}
.nav-drawer__close{
  width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--r-m);
  background:transparent;color:var(--c-ink-2);cursor:pointer;font-size:16px;
}
.nav-drawer__close:hover{border-color:var(--c-brand);color:var(--c-brand);}
.drawer-link{
  display:flex;align-items:center;height:56px;font-size:18px;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);transition:color .2s var(--ease);
}
.drawer-link:hover,.drawer-link.is-active{color:var(--c-brand);}
.nav-drawer__cta{margin-top:auto;width:100%;}
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(11,36,34,.42);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- sticky cta ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:10px 40px;
  padding-bottom:calc(10px + env(safe-area-inset-bottom));
  background:var(--c-dark);
  transform:translateY(110%);transition:transform .24s var(--ease);
}
.sticky-cta.is-show{transform:translateY(0);}
.sticky-cta__text{margin:0;color:rgba(255,255,255,.86);font-size:14px;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark);color:#fff;padding:72px 0 0;}
.footer-brand{display:flex;align-items:baseline;gap:6px;margin-bottom:14px;}
.footer-brand__main{font-family:var(--f-serif);font-size:22px;font-weight:700;color:#fff;}
.footer-brand__sub{font-size:13px;color:rgba(255,255,255,.62);}
.footer-about{margin:0;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);}
.footer-col__title{font-family:var(--f-sans);font-size:14px;font-weight:600;color:#fff;margin:0 0 16px;letter-spacing:.02em;}
.footer-links,.footer-contact{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:12px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px;transition:color .2s var(--ease);}
.footer-links a:hover{color:var(--c-accent);}
.footer-contact li{margin-bottom:12px;font-size:14px;color:rgba(255,255,255,.72);display:flex;gap:10px;align-items:flex-start;}
.footer-contact i{margin-top:5px;color:rgba(255,255,255,.45);font-size:13px;}
.footer-bottom{
  margin-top:24px;padding:22px 0 130px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom__group{display:flex;flex-wrap:wrap;align-items:center;gap:20px;}
.footer-bottom a{color:rgba(255,255,255,.72);transition:color .2s var(--ease);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ---------- responsive ---------- */
@media screen and (max-width:1199px){
  .sec{padding:88px 0;}
  .zz{gap:44px;}
}
@media screen and (max-width:1023px){
  .grid-container{padding-left:28px;padding-right:28px;}
  .nav-menu{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn--sm{display:none;}
  .sec{padding:72px 0;}
  .zz{grid-template-columns:1fr;gap:28px;}
  .zz--reverse .zz__media{order:0;}
  .zz + .zz{margin-top:64px;}
  .sticky-cta{padding-left:28px;padding-right:28px;}
  .footer-bottom{padding-bottom:110px;}
}
@media screen and (max-width:767px){
  .page-banner{min-height:200px;}
  .page-banner__inner{padding:40px 0 38px;}
  .sec{padding:56px 0;}
  .sec__head{margin-bottom:32px;}
  .info-grid{margin:0;}
  .info-cell{padding:0;}
  .info-cell__inner{padding:20px 0 20px;margin-bottom:8px;}
  .footer-bottom{padding-bottom:104px;}
}
@media screen and (max-width:575px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .brand__main{font-size:20px;}
  .brand__sub{font-size:11px;}
  .sec{padding:48px 0;}
  .notice-bar{padding:22px 20px;}
  .sticky-cta{padding-left:20px;padding-right:20px;gap:12px;}
  .sticky-cta__text{font-size:13px;}
  .site-footer{padding-top:56px;}
  .footer-bottom{padding-bottom:96px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .zz__media:hover img,.btn:hover{transform:none !important;}
}