/* roulang page: index */
:root{
  --primary:#2F6F68;
  --primary-dark:#245651;
  --primary-light:#E4F0ED;
  --accent:#F2894B;
  --accent-light:#FDEBDD;
  --bg:#FBF8F3;
  --card:#FFFFFF;
  --line:#E8E2D8;
  --text:#1E2724;
  --muted:#55605B;
  --weak:#8A938E;
  --warn:#C0453A;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(30,39,36,.06);
  --shadow-md:0 8px 24px rgba(30,39,36,.10);
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,sans-serif;
  font-size:17px;line-height:1.85;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{line-height:1.3;font-weight:700;letter-spacing:.01em}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

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

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(251,248,243,.93);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);background:rgba(251,248,243,.98)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:78px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand__mark{
  width:44px;height:44px;border-radius:13px;background:var(--primary);
  display:grid;place-items:center;flex:none;box-shadow:var(--shadow-sm);
}
.brand__mark svg{width:24px;height:24px}
.brand__text{display:flex;flex-direction:column;line-height:1.2}
.brand__name{font-size:17px;font-weight:700;letter-spacing:.04em;color:var(--text)}
.brand__sub{font-size:11px;color:var(--weak);letter-spacing:.16em;margin-top:4px}
.nav__menu{display:flex;align-items:center;gap:4px}
.nav__link{
  position:relative;display:inline-block;padding:10px 15px;font-size:15px;color:var(--muted);
  border-radius:var(--radius-sm);transition:color .2s ease,background .2s ease;
}
.nav__link:hover{color:var(--primary);background:var(--primary-light)}
.nav__link.is-active{color:var(--primary);font-weight:600}
.nav__link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:3px;
  border-radius:3px;background:var(--primary);
}
.nav__side{display:flex;align-items:center;gap:12px;flex:none}
.nav__icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  border:1.5px solid var(--line);color:var(--muted);transition:all .2s ease;background:#fff;
}
.nav__icon:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
.nav__toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1.5px solid var(--line);
  background:#fff;align-items:center;justify-content:center;
}
.nav__toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav__toggle span::before,.nav__toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.nav__toggle span::before{top:-6px}
.nav__toggle span::after{top:6px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform .18s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  border:1.5px solid transparent;white-space:nowrap;
}
.btn--primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(47,111,104,.22)}
.btn--primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 8px 22px rgba(47,111,104,.28)}
.btn--primary:active{transform:translateY(1px);box-shadow:0 2px 8px rgba(47,111,104,.22)}
.btn--ghost{border-color:var(--primary);color:var(--primary);background:transparent}
.btn--ghost:hover{background:var(--primary-light);transform:translateY(-1px)}
.btn--ghost:active{transform:translateY(1px)}
.btn--accent{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(242,137,75,.24)}
.btn--accent:hover{background:#e57b3c;transform:translateY(-1px)}
.btn--sm{padding:10px 20px;font-size:14px}

/* ---------- section base ---------- */
.section{padding:80px 0;position:relative}
.section--white{background:#fff}
.section--soft{background:#F5EFE6}
.section--tint{background:var(--primary-light)}
.section--dark{background:var(--text);color:#E9EFEC}
.section__head{max-width:760px;margin-bottom:44px}
.section__head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.2em;color:var(--primary);
  font-weight:600;margin-bottom:12px;
}
.section--dark .eyebrow{color:var(--accent)}
.section__title{font-size:28px;margin-bottom:14px}
.section__desc{font-size:15px;color:var(--muted);line-height:1.85}
.section--dark .section__desc{color:#A9B8B2}

/* ---------- hero ---------- */
.hero{padding:56px 0 72px;background:linear-gradient(180deg,#F2F7F5 0%,var(--bg) 100%);position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(47,111,104,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(47,111,104,.05) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none;
  mask-image:radial-gradient(circle at 60% 40%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 60% 40%,#000 0%,transparent 72%);
}
.hero__inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--primary);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 16px;
  margin-bottom:22px;box-shadow:var(--shadow-sm);
}
.hero__eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.hero h1{font-size:40px;line-height:1.28;letter-spacing:.005em;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero__sub{font-size:19px;color:var(--primary-dark);font-weight:600;margin-bottom:14px}
.hero__desc{font-size:16px;color:var(--muted);max-width:560px;margin-bottom:30px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero__facts{display:flex;flex-wrap:wrap;gap:26px}
.hero__fact strong{display:block;font-size:24px;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.2}
.hero__fact span{font-size:13px;color:var(--weak)}
.hero__media{
  position:relative;border-radius:22px;overflow:hidden;aspect-ratio:4/3;
  background:var(--primary-light);box-shadow:var(--shadow-md);
}
.hero__media img{width:100%;height:100%;object-fit:cover}
.hero__badge{
  position:absolute;top:16px;right:16px;background:rgba(30,39,36,.74);color:#fff;
  font-size:13px;padding:8px 15px;border-radius:999px;backdrop-filter:blur(6px);
}
.hero__tagline{
  position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.94);
  border-radius:14px;padding:12px 16px;font-size:14px;color:var(--text);box-shadow:var(--shadow-sm);
}
.hero__tagline b{color:var(--primary)}

/* ---------- tag strip ---------- */
.tagstrip{display:flex;flex-wrap:wrap;gap:12px}
.tag-pill{
  display:inline-block;padding:9px 20px;border-radius:999px;background:#fff;
  border:1px solid var(--line);font-size:14px;color:var(--muted);
  transition:all .2s ease;
}
.tag-pill:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}

/* ---------- grid & cards ---------- */
.grid{display:grid;gap:24px}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#DCD4C6}
.card__icon{
  width:46px;height:46px;border-radius:13px;background:var(--primary-light);
  display:grid;place-items:center;margin-bottom:16px;color:var(--primary);
}
.card__icon svg{width:22px;height:22px}
.card__title{font-size:17px;margin-bottom:8px;transition:color .2s ease}
.card:hover .card__title{color:var(--primary)}
.card__text{font-size:14px;color:var(--muted);line-height:1.75}

.channel-entry{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:32px;padding:22px 26px;background:var(--primary-light);
  border-radius:var(--radius);border:1px dashed rgba(47,111,104,.32);
}
.channel-entry p{font-size:15px;color:var(--primary-dark);font-weight:600}

/* ---------- cities ---------- */
.city-row{margin-bottom:24px}
.city-row__label{font-size:13px;letter-spacing:.14em;color:var(--weak);margin-bottom:12px}
.city-caps{display:flex;flex-wrap:wrap;gap:10px}
.city-cap{
  padding:8px 18px;border-radius:var(--radius-sm);background:#fff;border:1px solid var(--line);
  font-size:14px;color:var(--muted);transition:all .2s ease;
}
.city-cap:hover{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}

/* ---------- dynamic bar ---------- */
.dyn-card{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--accent);
  border-radius:var(--radius-sm);padding:20px 22px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.dyn-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.dyn-card__time{font-size:12px;color:var(--weak);letter-spacing:.06em;margin-bottom:8px;font-variant-numeric:tabular-nums}
.dyn-card__title{font-size:16px;margin-bottom:6px}
.dyn-card__text{font-size:14px;color:var(--muted);line-height:1.7}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{position:relative;padding-left:0}
.step__num{
  width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:16px;margin-bottom:16px;
  box-shadow:0 4px 12px rgba(47,111,104,.24);font-variant-numeric:tabular-nums;
}
.step__title{font-size:16px;margin-bottom:8px}
.step__text{font-size:14px;color:var(--muted);line-height:1.75}
.step::after{
  content:"";position:absolute;top:22px;left:52px;right:-18px;height:2px;
  background:linear-gradient(90deg,rgba(47,111,104,.28),rgba(47,111,104,.05));
}
.step:last-child::after{display:none}

/* ---------- topic cards ---------- */
.topic{
  display:grid;grid-template-columns:150px 1fr;gap:20px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease;
}
.topic:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.topic__img{aspect-ratio:1/1;background:var(--primary-light);overflow:hidden}
.topic__img img{width:100%;height:100%;object-fit:cover}
.topic__body{padding:20px 22px 20px 0}
.topic__title{font-size:17px;margin-bottom:8px}
.topic__text{font-size:14px;color:var(--muted);line-height:1.75}

/* ---------- safety ---------- */
.safe-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease;
}
.safe-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.safe-card__icon{
  width:44px;height:44px;border-radius:50%;background:var(--primary-light);
  display:grid;place-items:center;color:var(--primary);margin-bottom:16px;
}
.safe-card__icon svg{width:22px;height:22px}
.safe-card h3{font-size:17px;margin-bottom:10px}
.safe-card p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- news / cms ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.news-card__thumb{display:block;aspect-ratio:16/10;background:var(--primary-light);overflow:hidden}
.news-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-card__thumb img{transform:scale(1.04)}
.news-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-card__body h3{font-size:16px;line-height:1.5;margin-bottom:10px;transition:color .2s ease;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .news-card__body h3{color:var(--primary)}
.news-card__body p{font-size:14px;color:var(--muted);line-height:1.75;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--weak)}
.tag{
  display:inline-block;padding:4px 12px;border-radius:999px;background:var(--primary-light);
  color:var(--primary-dark);font-size:12px;font-weight:600;
}
.empty-state{
  grid-column:1/-1;text-align:center;padding:60px 24px;background:#fff;
  border:1px dashed var(--line);border-radius:var(--radius);
}
.empty-state p{color:var(--muted);margin-bottom:20px;font-size:15px}

/* ---------- scroller ---------- */
.scroller{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:16px;scrollbar-width:none;-ms-overflow-style:none;
}
.scroller::-webkit-scrollbar{display:none}
.scroller__item{
  flex:0 0 calc((100% - 60px)/4);scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease;
}
.scroller__item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.scroller__img{aspect-ratio:16/10;background:var(--primary-light);overflow:hidden}
.scroller__img img{width:100%;height:100%;object-fit:cover}
.scroller__body{padding:18px 20px 22px}
.scroller__body h3{font-size:16px;margin-bottom:8px}
.scroller__body p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat{padding:10px 8px}
.stat strong{
  display:block;font-size:40px;line-height:1.1;color:var(--primary-dark);
  font-variant-numeric:tabular-nums;font-weight:700;
}
.stat span{display:block;font-size:14px;color:var(--muted);margin-top:10px}

/* ---------- quotes ---------- */
.quote{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  box-shadow:var(--shadow-sm);position:relative;transition:transform .22s ease,box-shadow .22s ease;
}
.quote:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.quote__mark{font-size:44px;line-height:1;color:var(--primary-light);font-weight:700;font-family:Georgia,serif;margin-bottom:6px}
.quote p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:20px}
.quote__by{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--weak)}
.quote__dot{width:8px;height:8px;border-radius:50%;background:var(--accent)}

/* ---------- faq ---------- */
.faq{max-width:880px;margin:0 auto}
.faq__item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  margin-bottom:14px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq__item:hover{border-color:#DCD4C6;box-shadow:var(--shadow-sm)}
.faq__item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:18px 22px;font-size:16px;font-weight:600;
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__arrow{
  flex:none;width:26px;height:26px;border-radius:50%;background:var(--primary-light);
  display:grid;place-items:center;color:var(--primary);transition:transform .25s ease;
}
.faq__item[open] .faq__arrow{transform:rotate(180deg);background:var(--primary);color:#fff}
.faq__body{padding:0 22px 20px;font-size:15px;color:var(--muted);line-height:1.85;border-top:1px solid transparent}

/* ---------- compliance ---------- */
.comply{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start}
.comply__list li{
  position:relative;padding-left:30px;margin-bottom:16px;font-size:15px;color:var(--muted);line-height:1.85;
}
.comply__list li::before{
  content:"";position:absolute;left:0;top:9px;width:16px;height:16px;border-radius:50%;
  background:var(--primary-light);border:2px solid var(--primary);
}
.report-card{
  background:#fff;border:1.5px solid var(--warn);border-radius:var(--radius);
  padding:28px;box-shadow:0 4px 18px rgba(192,69,58,.10);
}
.report-card h3{font-size:18px;color:var(--warn);margin-bottom:12px}
.report-card p{font-size:14px;color:var(--muted);line-height:1.85;margin-bottom:18px}
.report-card .mail{
  display:block;font-size:15px;color:var(--text);font-weight:600;margin-bottom:18px;
  padding:12px 16px;background:#FBEDEB;border-radius:var(--radius-sm);font-variant-numeric:tabular-nums;
}

/* ---------- cta band ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--primary) 0%,var(--primary-dark) 100%);
  color:#fff;border-radius:24px;padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  box-shadow:0 14px 40px rgba(36,86,81,.22);
}
.cta-band h2{font-size:28px;margin-bottom:10px}
.cta-band p{font-size:15px;color:#CFE3DF;max-width:560px}
.cta-band .btn--accent{padding:15px 32px;font-size:16px}

/* ---------- footer ---------- */
.site-footer{background:var(--text);color:#CFD6D2;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand__mark{background:var(--primary)}
.footer-brand .brand__name{color:#fff;font-size:17px}
.footer-brand .brand__sub{color:#8FA19A}
.footer-about{font-size:14px;line-height:1.85;color:#A9B8B2;max-width:320px}
.footer-col h4{font-size:12px;letter-spacing:.18em;color:#8FA19A;margin-bottom:18px;font-weight:600}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:14px;color:#CFD6D2;transition:color .2s ease}
.footer-col a:hover{color:var(--accent)}
.footer-col span{font-size:14px;color:#A9B8B2}
.footer-note{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  font-size:13px;color:#9BAEA8;line-height:1.8;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA19A;
}
.footer-bottom a{color:#8FA19A}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .grid--4{grid-template-columns:repeat(3,1fr)}
  .hero h1{font-size:36px}
}
@media (max-width:992px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .hero{padding:44px 0 56px}
  .hero__inner{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:32px}
  .hero__media{order:-1}
  .grid--4,.grid--3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .comply{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .scroller__item{flex:0 0 calc((100% - 40px)/2.3)}
  .cta-band{padding:40px 32px}
  .cta-band h2{font-size:24px}
  .nav__menu{
    position:fixed;left:0;right:0;top:78px;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;padding:16px 20px 24px;gap:6px;
    box-shadow:var(--shadow-md);display:none;
  }
  .nav__menu.is-open{display:flex}
  .nav__link{padding:14px 16px;font-size:16px}
  .nav__link.is-active::after{display:none}
  .nav__link.is-active{background:var(--primary-light)}
  .nav__toggle{display:flex}
  .nav__side .btn{display:none}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:48px 0}
  .hero h1{font-size:28px}
  .hero__sub{font-size:17px}
  .section__title{font-size:22px}
  .grid--4,.grid--3,.grid--2{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .topic{grid-template-columns:110px 1fr}
  .topic__body{padding:18px 18px 18px 0}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat strong{font-size:32px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .scroller__item{flex:0 0 78%}
  .hero__facts{gap:20px}
  .hero__fact strong{font-size:20px}
  .cta-band{padding:32px 24px;border-radius:18px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .brand__name{font-size:15px}
  .brand__sub{font-size:10px;letter-spacing:.1em}
  .hero h1{font-size:25px}
  .btn{padding:12px 22px;font-size:14px}
  .hero__actions{gap:10px}
  .card{padding:22px}
  .faq__item summary{font-size:15px;padding:16px 18px}
  .cta-band h2{font-size:21px}
}

/* roulang page: article */
:root{
  --primary:#2F6F68;
  --primary-dark:#245651;
  --primary-light:#E4F0ED;
  --accent:#F2894B;
  --accent-light:#FDEBDD;
  --bg:#FBF8F3;
  --card:#FFFFFF;
  --line:#E8E2D8;
  --text:#1E2724;
  --muted:#55605B;
  --weak:#8A938E;
  --warn:#C0453A;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(30,39,36,.06);
  --shadow-md:0 8px 24px rgba(30,39,36,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,sans-serif;
  font-size:17px;line-height:1.85;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding-left:1.4em}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(251,248,243,.93);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);background:rgba(251,248,243,.98)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:78px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand__mark{
  width:44px;height:44px;border-radius:13px;background:var(--primary);
  display:grid;place-items:center;flex:none;box-shadow:var(--shadow-sm);
}
.brand__mark svg{width:24px;height:24px}
.brand__text{display:flex;flex-direction:column;line-height:1.2}
.brand__name{font-size:17px;font-weight:700;letter-spacing:.04em;color:var(--text)}
.brand__sub{font-size:11px;color:var(--weak);letter-spacing:.16em;margin-top:4px}
.nav__menu{display:flex;align-items:center;gap:4px}
.nav__link{
  position:relative;display:inline-block;padding:10px 15px;font-size:15px;color:var(--muted);
  border-radius:var(--radius-sm);transition:color .2s ease,background .2s ease;
}
.nav__link:hover{color:var(--primary);background:var(--primary-light)}
.nav__link.is-active{color:var(--primary);font-weight:600}
.nav__link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:3px;
  border-radius:3px;background:var(--primary);
}
.nav__side{display:flex;align-items:center;gap:12px;flex:none}
.nav__icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  border:1.5px solid var(--line);color:var(--muted);transition:all .2s ease;background:#fff;
}
.nav__icon:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
.nav__toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1.5px solid var(--line);
  background:#fff;align-items:center;justify-content:center;
}
.nav__toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav__toggle span::before,.nav__toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.nav__toggle span::before{top:-6px}
.nav__toggle span::after{top:6px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform .18s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  border:1.5px solid transparent;white-space:nowrap;
}
.btn--primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(47,111,104,.22)}
.btn--primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 8px 22px rgba(47,111,104,.28)}
.btn--primary:active{transform:translateY(1px);box-shadow:0 2px 8px rgba(47,111,104,.22)}
.btn--ghost{border-color:var(--primary);color:var(--primary);background:transparent}
.btn--ghost:hover{background:var(--primary-light);transform:translateY(-1px)}
.btn--ghost:active{transform:translateY(1px)}
.btn--sm{padding:10px 20px;font-size:14px}

/* ---------- article ---------- */
.article-wrap{padding:0 0 84px}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--weak);padding:26px 0 18px;
}
.crumb a{color:var(--muted);transition:color .2s ease}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:#C9C2B6}
.crumb .cur{color:var(--text);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-hero{padding:8px 0 30px;border-bottom:1px solid var(--line)}
.article-hero h1{
  font-size:40px;line-height:1.32;letter-spacing:.004em;font-weight:700;
  max-width:920px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  margin-top:22px;font-size:13.5px;color:var(--weak);
}
.article-meta .divider{width:1px;height:13px;background:var(--line);display:inline-block}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;letter-spacing:.03em;
  color:var(--primary);background:var(--primary-light);
  border-radius:999px;padding:6px 14px;
}
.tag--accent{color:#B3622C;background:var(--accent-light)}

.abstract{
  background:var(--primary-light);border:1px solid #D5E7E2;
  border-radius:var(--radius);padding:26px 30px;margin:36px 0 0;
  max-width:800px;margin-left:auto;margin-right:auto;
}
.abstract h2{
  font-size:15px;letter-spacing:.14em;font-weight:700;color:var(--primary-dark);
  display:flex;align-items:center;gap:10px;margin-bottom:14px;
}
.abstract h2::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--accent)}
.abstract ul{list-style:none;padding:0;display:grid;gap:10px}
.abstract li{
  position:relative;padding-left:22px;font-size:15.5px;line-height:1.8;color:var(--muted);
}
.abstract li::before{
  content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--accent);opacity:.85;
}

.article-body{
  max-width:800px;margin:0 auto;padding:44px 0 0;
  font-size:17px;line-height:1.85;color:var(--text);
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  font-size:26px;line-height:1.42;font-weight:700;
  margin:2em 0 .8em;padding-left:14px;border-left:4px solid var(--primary);
}
.article-body h3{font-size:20px;line-height:1.5;font-weight:700;margin:1.7em 0 .6em}
.article-body h4{font-size:17px;font-weight:700;margin:1.4em 0 .5em;color:var(--primary-dark)}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.5em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.35em 0}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--accent)}
.article-body blockquote{
  margin:1.5em 0;padding:18px 24px;background:var(--accent-light);
  border-left:4px solid var(--accent);border-radius:0 12px 12px 0;color:#6B5A4C;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:1.5em auto;max-width:100%;height:auto}
.article-body figure{margin:1.5em 0}
.article-body figcaption{font-size:13px;color:var(--weak);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.5em 0;
  font-size:15px;display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 15px;text-align:left}
.article-body th{background:#F5EFE6;font-weight:600}
.article-body tbody tr:nth-child(even){background:#FCFAF6}
.article-body strong{font-weight:700;color:var(--primary-dark)}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0}

.empty-state{
  max-width:800px;margin:44px auto 0;text-align:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:64px 32px;box-shadow:var(--shadow-sm);
}
.empty-state h2{font-size:24px;margin-bottom:12px}
.empty-state p{color:var(--muted);font-size:15.5px;margin-bottom:26px}

.safety-tip{
  max-width:800px;margin:46px auto 0;display:flex;gap:16px;align-items:flex-start;
  background:#FDF2F0;border:1px solid #F0D5D0;border-left:4px solid var(--warn);
  border-radius:12px;padding:20px 24px;
}
.safety-tip__ico{
  flex:none;width:34px;height:34px;border-radius:10px;background:#fff;
  display:grid;place-items:center;color:var(--warn);border:1px solid #F0D5D0;
}
.safety-tip h3{font-size:15.5px;font-weight:700;color:#8E352C;margin-bottom:6px}
.safety-tip p{font-size:14px;line-height:1.8;color:#7C5A55;margin:0}

.panel{padding:72px 0 0}
.panel__head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.panel__title{font-size:22px;font-weight:700;position:relative;padding-left:14px}
.panel__title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:3px;background:var(--primary);
}
.panel__note{font-size:13.5px;color:var(--weak)}

.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.related-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:#D8E7E3}
.related-card .tag{margin-bottom:14px}
.related-card h3{
  font-size:17px;line-height:1.6;font-weight:700;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.related-card:hover h3{color:var(--primary)}
.related-card p{
  font-size:14px;line-height:1.8;color:var(--muted);margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-card .meta{font-size:12.5px;color:var(--weak)}

.prevnext{
  max-width:800px;margin:44px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:20px;
  border-top:1px solid var(--line);padding-top:28px;
}
.prevnext a{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:18px 20px;transition:all .2s ease;
}
.prevnext a:hover{border-color:var(--primary);background:var(--primary-light);transform:translateY(-2px)}
.prevnext .dir{font-size:12px;letter-spacing:.1em;color:var(--weak);display:block;margin-bottom:6px}
.prevnext .ttl{font-size:15px;font-weight:600;color:var(--text);line-height:1.6}
.prevnext a:hover .ttl{color:var(--primary)}
.prevnext .right{text-align:right}

.backrow{
  max-width:800px;margin:34px auto 0;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;
}

/* ---------- footer ---------- */
.site-footer{background:var(--text);color:#CFD6D2;padding:64px 0 0;margin-top:84px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand__name{color:#fff}
.footer-brand .brand__sub{color:#8A938E}
.footer-about{font-size:14px;line-height:1.9;color:#A9B8B2;max-width:360px}
.footer-col h4{font-size:12px;letter-spacing:.18em;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:#A9B8B2;transition:color .2s ease;word-break:break-all}
.footer-col a:hover{color:var(--accent)}
.footer-note{
  border-top:1px solid rgba(255,255,255,.1);border-bottom:1px solid rgba(255,255,255,.1);
  padding:22px 0;font-size:13px;line-height:1.9;color:#9BA9A3;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:22px 0 30px;font-size:13px;color:#8A938E;
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .article-hero h1{font-size:36px}
}
@media (max-width:992px){
  .section{padding:64px 0}
  .article-hero h1{font-size:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .related-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .nav{height:66px;gap:12px}
  .brand__mark{width:38px;height:38px;border-radius:11px}
  .brand__mark svg{width:21px;height:21px}
  .brand__name{font-size:15px}
  .nav__icon{display:none}
  .nav__toggle{display:flex}
  .nav__side .btn--sm{display:none}
  .nav__menu{
    position:absolute;top:100%;left:0;right:0;display:none;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:14px 18px 22px;box-shadow:var(--shadow-md);
  }
  .nav__menu.is-open{display:flex}
  .nav__link{padding:14px 12px;font-size:16px;border-radius:10px}
  .nav__link.is-active::after{display:none}
  .article-wrap{padding-bottom:60px}
  .crumb{padding:18px 0 14px;font-size:12.5px}
  .crumb .cur{max-width:220px}
  .article-hero h1{font-size:27px;line-height:1.4}
  .article-meta{gap:9px 14px;font-size:12.5px;margin-top:16px}
  .abstract{padding:22px 20px;margin-top:28px}
  .abstract li{font-size:14.5px}
  .article-body{font-size:16.5px;line-height:1.85;padding-top:34px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18.5px}
  .safety-tip{padding:18px 18px;gap:12px;margin-top:34px}
  .panel{padding-top:52px}
  .panel__head{flex-direction:column;align-items:flex-start;gap:8px}
  .related-grid{grid-template-columns:1fr}
  .prevnext{grid-template-columns:1fr}
  .prevnext .right{text-align:left}
  .backrow{flex-direction:column;align-items:stretch}
  .backrow .btn{width:100%}
  .site-footer{padding-top:48px;margin-top:60px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:34px}
  .footer-bottom{flex-direction:column;justify-content:flex-start}
}
@media (max-width:480px){
  .article-hero h1{font-size:24px}
  .abstract{padding:20px 16px}
  .article-body{font-size:16px}
  .related-card{padding:20px}
}

/* roulang page: category1 */
:root{
  --primary:#2F6F68;
  --primary-dark:#245651;
  --primary-light:#E4F0ED;
  --accent:#F2894B;
  --accent-light:#FDEBDD;
  --bg:#FBF8F3;
  --card:#FFFFFF;
  --line:#E8E2D8;
  --text:#1E2724;
  --muted:#55605B;
  --weak:#8A938E;
  --warn:#C0453A;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(30,39,36,.06);
  --shadow-md:0 8px 24px rgba(30,39,36,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,sans-serif;
  font-size:17px;line-height:1.85;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(251,248,243,.93);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);background:rgba(251,248,243,.98)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:78px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand__mark{
  width:44px;height:44px;border-radius:13px;background:var(--primary);
  display:grid;place-items:center;flex:none;box-shadow:var(--shadow-sm);
}
.brand__mark svg{width:24px;height:24px}
.brand__text{display:flex;flex-direction:column;line-height:1.2}
.brand__name{font-size:17px;font-weight:700;letter-spacing:.04em;color:var(--text)}
.brand__sub{font-size:11px;color:var(--weak);letter-spacing:.16em;margin-top:4px}
.nav__menu{display:flex;align-items:center;gap:4px}
.nav__link{
  position:relative;display:inline-block;padding:10px 15px;font-size:15px;color:var(--muted);
  border-radius:var(--radius-sm);transition:color .2s ease,background .2s ease;
}
.nav__link:hover{color:var(--primary);background:var(--primary-light)}
.nav__link.is-active{color:var(--primary);font-weight:600}
.nav__link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:3px;
  border-radius:3px;background:var(--primary);
}
.nav__side{display:flex;align-items:center;gap:12px;flex:none}
.nav__icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  border:1.5px solid var(--line);color:var(--muted);transition:all .2s ease;background:#fff;
}
.nav__icon:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
.nav__toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1.5px solid var(--line);
  background:#fff;align-items:center;justify-content:center;
}
.nav__toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav__toggle span::before,.nav__toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.nav__toggle span::before{top:-6px}
.nav__toggle span::after{top:6px}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform .18s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  border:1.5px solid transparent;white-space:nowrap;
}
.btn--primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(47,111,104,.22)}
.btn--primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 8px 22px rgba(47,111,104,.28)}
.btn--primary:active{transform:translateY(1px);box-shadow:0 2px 8px rgba(47,111,104,.22)}
.btn--ghost{border-color:var(--primary);color:var(--primary);background:transparent}
.btn--ghost:hover{background:var(--primary-light);transform:translateY(-1px)}
.btn--ghost:active{transform:translateY(1px)}
.btn--warn{border:1.5px solid var(--warn);color:var(--warn);background:#fff}
.btn--warn:hover{background:#FBEDEB;transform:translateY(-1px)}
.btn--sm{padding:10px 20px;font-size:14px}
/* ---------- section base ---------- */
.section{padding:80px 0;position:relative}
.section--white{background:#fff}
.section--soft{background:#F5EFE6}
.section--tint{background:var(--primary-light)}
.section__head{max-width:760px;margin-bottom:36px}
.section__title{font-size:28px;line-height:1.35;font-weight:700;margin-bottom:12px}
.section__desc{font-size:15px;color:var(--muted)}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.2em;color:var(--primary);
  font-weight:600;margin-bottom:10px;
}
/* ---------- category hero ---------- */
.cat-hero{position:relative;padding:44px 0 52px;background:var(--primary-dark);color:#fff;overflow:hidden}
.cat-hero__bg{position:absolute;inset:0;background-image:url('/assets/images/409d583e73e36361.webp');background-size:cover;background-position:center;opacity:.30}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(36,86,81,.96) 0%,rgba(36,86,81,.82) 52%,rgba(36,86,81,.52) 100%);
}
.cat-hero .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px}
.crumbs a{color:rgba(255,255,255,.86);transition:color .2s ease}
.crumbs a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.crumbs span.sep{color:rgba(255,255,255,.4)}
.cat-hero__row{display:flex;align-items:flex-start;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cat-hero h1{font-size:34px;line-height:1.3;font-weight:700;letter-spacing:.01em;margin-bottom:14px;color:#fff}
.cat-hero h1 em{font-style:normal;color:#F7C9A9}
.cat-hero__intro{font-size:15px;color:#D7E6E1;max-width:640px}
.cat-hero__badge{
  display:inline-flex;align-items:center;gap:8px;flex:none;
  padding:8px 16px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);color:#fff;
}
.cat-hero__badge i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block}
.cat-hero__meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:24px;font-size:13px;color:#BFD8D2}
.cat-hero__meta b{color:#fff;font-weight:600;font-variant-numeric:tabular-nums}
/* ---------- filter bar ---------- */
.filter-bar{padding:26px 0;background:#fff;border-bottom:1px solid var(--line)}
.filter-bar__inner{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.filter-bar__label{font-size:13px;color:var(--weak);letter-spacing:.06em;flex:none}
.chip{
  display:inline-flex;align-items:center;padding:8px 16px;border-radius:999px;
  font-size:14px;color:var(--muted);background:var(--bg);border:1px solid var(--line);
  transition:all .2s ease;
}
.chip:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light);transform:translateY(-1px)}
.chip--on{background:var(--primary);border-color:var(--primary);color:#fff}
.chip--on:hover{background:var(--primary-dark);color:#fff}
/* ---------- two column layout ---------- */
.cat-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:32px;align-items:start}
.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.list-head h2{font-size:22px;font-weight:700}
.list-head span{font-size:13px;color:var(--weak)}
.post-list{display:flex;flex-direction:column;gap:18px}
.post-card{
  display:grid;grid-template-columns:168px minmax(0,1fr);gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#D8D0C2}
.post-card__thumb{
  border-radius:12px;overflow:hidden;background:var(--primary-light);
  aspect-ratio:1/1;position:relative;
}
.post-card__thumb img{width:100%;height:100%;object-fit:cover}
.post-card__body{display:flex;flex-direction:column;min-width:0}
.post-card__title{
  font-size:17px;font-weight:600;line-height:1.55;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.post-card:hover .post-card__title{color:var(--primary)}
.post-card__excerpt{
  font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:auto;font-size:12px;color:var(--weak)}
.tag{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;
  background:var(--primary-light);color:var(--primary-dark);font-size:12px;font-weight:600;
}
.tag--accent{background:var(--accent-light);color:#B55B22}
.more-row{margin-top:26px;display:flex;justify-content:center}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
  padding:44px 24px;text-align:center;color:var(--muted);font-size:15px;
}
.empty-state__en{display:block;margin-top:6px;font-size:13px;color:var(--weak)}
/* ---------- sidebar ---------- */
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);margin-bottom:22px;
}
.side-card h3{font-size:17px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{width:8px;height:8px;border-radius:2px;background:var(--accent);display:inline-block}
.side-card--warn{border:1.5px solid rgba(192,69,58,.42);background:#FFFCFB}
.side-card--warn h3{color:var(--warn)}
.side-card--warn h3 i{background:var(--warn)}
.side-list{display:flex;flex-direction:column;gap:12px;margin-bottom:18px}
.side-list li{font-size:14px;color:var(--muted);line-height:1.75;padding-left:16px;position:relative}
.side-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;
  background:var(--primary);opacity:.6;
}
.side-news li{padding:12px 0;border-bottom:1px dashed var(--line)}
.side-news li:last-child{border-bottom:none;padding-bottom:0}
.side-news a{font-size:14px;line-height:1.65;color:var(--text);display:block;transition:color .2s ease}
.side-news a:hover{color:var(--primary)}
.side-news time{display:block;font-size:12px;color:var(--weak);margin-top:6px}
/* ---------- steps ---------- */
.steps{display:flex;flex-direction:column;gap:0;max-width:820px}
.step{display:grid;grid-template-columns:48px minmax(0,1fr);gap:20px;position:relative;padding-bottom:32px}
.step:last-child{padding-bottom:0}
.step:not(:last-child)::before{
  content:"";position:absolute;left:23px;top:48px;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--primary-light),rgba(47,111,104,.15));
}
.step__no{
  width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
  background:var(--primary-light);color:var(--primary-dark);font-weight:700;
  font-variant-numeric:tabular-nums;border:1px solid rgba(47,111,104,.22);
}
.step__body h3{font-size:18px;font-weight:700;margin-bottom:6px}
.step__body p{font-size:15px;color:var(--muted)}
/* ---------- scene grid ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.scene-card__img{aspect-ratio:16/10;background:var(--primary-light);overflow:hidden}
.scene-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.scene-card:hover .scene-card__img img{transform:scale(1.04)}
.scene-card__body{padding:18px 18px 20px}
.scene-card__body h3{font-size:16px;font-weight:700;margin-bottom:6px}
.scene-card__body p{font-size:13px;color:var(--muted);line-height:1.75}
/* ---------- faq ---------- */
.faq{max-width:860px}
.faq__item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:14px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq__item.is-open{box-shadow:var(--shadow-sm);border-color:#D8D0C2}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  transition:color .2s ease,background .2s ease;
}
.faq__q:hover{color:var(--primary);background:#FAFCFB}
.faq__arrow{
  flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:var(--primary-light);color:var(--primary);transition:transform .25s ease;
}
.faq__item.is-open .faq__arrow{transform:rotate(180deg)}
.faq__a{display:none;padding:0 20px 20px;font-size:15px;color:var(--muted);background:#FAFCFB}
.faq__item.is-open .faq__a{display:block}
/* ---------- topic grid ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.topic-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#D8D0C2}
.topic-card h3{font-size:17px;font-weight:700;margin-bottom:6px}
.topic-card p{font-size:14px;color:var(--muted)}
/* ---------- cta band ---------- */
.cta-band{background:var(--primary-light);border-top:1px solid rgba(47,111,104,.14);border-bottom:1px solid rgba(47,111,104,.14)}
.cta-band__inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h2{font-size:24px;font-weight:700;margin-bottom:8px;color:var(--primary-dark)}
.cta-band p{font-size:15px;color:var(--muted)}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap}
/* ---------- footer ---------- */
.site-footer{background:var(--text);color:#CFD6D2;padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr .8fr .8fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand__name{color:#fff}
.footer-brand .brand__sub{color:#8FA39C}
.footer-about{font-size:14px;line-height:1.85;color:#A9B8B2}
.footer-col h4{font-size:12px;letter-spacing:.18em;color:#8FA39C;font-weight:600;margin-bottom:16px}
.footer-col li{margin-bottom:10px;font-size:14px;color:#CFD6D2}
.footer-col a{transition:color .2s ease}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-note{
  margin-top:36px;padding:16px 20px;border-radius:var(--radius-sm);
  background:rgba(192,69,58,.12);border:1px solid rgba(192,69,58,.35);
  color:#F0C9C4;font-size:13px;line-height:1.85;
}
.footer-bottom{
  margin-top:24px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8FA39C;
}
/* ---------- responsive ---------- */
@media (max-width:1200px){
  .container{padding:0 26px}
  .cat-layout{grid-template-columns:minmax(0,1fr) 300px;gap:26px}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:992px){
  .nav__menu{
    position:fixed;left:0;right:0;top:78px;display:none;flex-direction:column;align-items:stretch;
    gap:2px;padding:14px 18px 22px;background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);
  }
  .nav__menu.is-open{display:flex}
  .nav__link{padding:13px 14px;font-size:15px}
  .nav__link.is-active::after{left:14px;right:auto;width:22px}
  .nav__toggle{display:inline-flex}
  .nav__icon{display:none}
  .cat-layout{grid-template-columns:minmax(0,1fr)}
  .cat-hero h1{font-size:28px}
  .section{padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  body{font-size:16px;line-height:1.8}
  .container{padding:0 18px}
  .nav{height:70px}
  .nav__menu{top:70px}
  .brand__mark{width:40px;height:40px;border-radius:12px}
  .brand__name{font-size:16px}
  .btn--sm{padding:9px 16px;font-size:13px}
  .cat-hero{padding:32px 0 40px}
  .cat-hero h1{font-size:24px}
  .cat-hero__row{flex-direction:column;gap:16px}
  .section{padding:48px 0}
  .section__title{font-size:22px}
  .post-card{grid-template-columns:104px minmax(0,1fr);gap:14px;padding:13px}
  .post-card__title{font-size:15px}
  .post-card__excerpt{font-size:13px;-webkit-line-clamp:2}
  .topic-grid{grid-template-columns:minmax(0,1fr)}
  .scene-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band__inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:480px){
  .cat-hero h1{font-size:22px}
  .filter-bar__inner{gap:10px}
  .chip{padding:7px 13px;font-size:13px}
  .post-card{grid-template-columns:84px minmax(0,1fr);gap:12px}
  .post-card__meta{font-size:11px;gap:8px}
  .btn{width:100%}
  .nav__side .btn{width:auto}
  .cta-band__actions{width:100%}
}