/* roulang page: index */
:root{
  --brand:#0B6B4F;
  --brand-deep:#095740;
  --brand-soft:rgba(11,107,79,.08);
  --accent:#B5F04A;
  --accent-hover:#A2DE3C;
  --accent-ink:#0E1A14;
  --sand:#F0EBDF;
  --sand-deep:#E7E0D0;
  --orange:#F2622E;
  --ink:#101A16;
  --ink-2:#5A655F;
  --line:#E3E6DF;
  --card:#FFFFFF;
  --dark:#0E1613;
  --dark-ink:#F2F5EE;
  --dark-line:rgba(242,245,238,.16);
  --r-card:14px;
  --r-btn:10px;
  --r-img:16px;
  --r-pill:999px;
  --r-input:12px;
  --shadow-1:0 1px 2px rgba(16,26,22,.06),0 10px 24px -14px rgba(16,26,22,.16);
  --shadow-2:0 16px 34px -14px rgba(16,26,22,.24);
  --font-num:"Barlow Condensed","Oswald","Arial Narrow",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --space-lg:96px;
  --space-md:72px;
  --space-sm:56px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:#FFFFFF;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .16s ease;}
a:hover{color:var(--brand);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
body.drawer-open{overflow:hidden;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1400px){.container{max-width:1200px;}}

.num{font-family:var(--font-num);letter-spacing:.06em;font-variant-numeric:tabular-nums;}

/* ---------- buttons ---------- */
.btn-main,.btn-ghost,.btn-dark-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;line-height:1;cursor:pointer;
  border:1.5px solid transparent;transition:background-color .12s ease,color .12s ease,border-color .12s ease,box-shadow .12s ease,transform .12s ease;
  white-space:nowrap;
}
.btn-main{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);}
.btn-main:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:var(--accent-ink);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-main:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand);}
.btn-ghost:active{transform:translateY(1px);}
.btn-dark-ghost{background:transparent;color:var(--dark-ink);border-color:var(--dark-line);}
.btn-dark-ghost:hover{background:rgba(242,245,238,.08);color:var(--dark-ink);border-color:var(--accent);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);}
.link-arrow span{display:inline-block;transition:transform .16s ease;}
.link-arrow:hover span{transform:translateX(4px);}
.btn-block{width:100%;}

/* ---------- tags ---------- */
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);background:var(--sand);color:var(--brand);font-size:13px;font-weight:600;line-height:1;}
.badge-new{display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:var(--r-pill);background:var(--orange);color:#fff;font-size:12px;font-weight:700;letter-spacing:.02em;}

/* ---------- header ---------- */
.site-header{position:relative;z-index:60;}
.brandbar{background:#fff;border-bottom:1px solid var(--line);}
.brandbar__inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;min-width:0;}
.brand__mark{
  width:34px;height:34px;border-radius:9px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;flex:0 0 auto;
}
.brand__text{font-size:18px;font-weight:700;letter-spacing:.01em;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand__sub{display:block;font-size:12px;font-weight:500;color:var(--ink-2);letter-spacing:.04em;}
.brandbar__actions{display:flex;align-items:center;gap:8px;}
.mini-link{
  display:inline-flex;align-items:center;height:36px;padding:0 14px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--ink-2);border:1px solid transparent;transition:background-color .16s ease,color .16s ease,border-color .16s ease;
}
.mini-link:hover{background:var(--sand);color:var(--brand);}
.mini-link--primary{background:var(--brand);color:#fff;border-color:var(--brand);}
.mini-link--primary:hover{background:var(--brand-deep);color:#fff;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.channelbar{position:sticky;top:0;z-index:55;background:var(--sand);border-bottom:1px solid var(--line);transition:height .2s ease,padding .2s ease;}
.channelbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:48px;transition:height .2s ease;}
.channelbar.is-scrolled .channelbar__inner{height:40px;}
.chips{display:flex;align-items:center;gap:6px;min-width:0;}
.chip{
  position:relative;display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--ink-2);transition:background-color .16s ease,color .16s ease;
}
.chip:hover{background:#fff;color:var(--brand);}
.chip.is-active{color:var(--brand);background:#fff;}
.chip.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--accent);border-radius:2px;
}
.nav-search{display:flex;align-items:center;gap:8px;}
.nav-search input{
  width:200px;height:34px;border-radius:var(--r-input);border:1px solid var(--line);background:#fff;
  padding:0 12px;font-size:14px;transition:border-color .16s ease,box-shadow .16s ease;
}
.nav-search input::placeholder{color:#9AA39D;}
.nav-search input:focus{outline:none;border:2px solid var(--accent);padding:0 11px;}
.nav-search button{
  height:34px;padding:0 14px;border-radius:var(--r-btn);border:1px solid var(--brand);background:transparent;
  color:var(--brand);font-size:14px;font-weight:600;cursor:pointer;transition:background-color .16s ease;
}
.nav-search button:hover{background:var(--brand-soft);}

/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(14,22,19,.5);opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:70;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;left:0;width:84%;max-width:340px;height:100%;background:#fff;z-index:80;
  transform:translateX(-102%);transition:transform .24s ease;padding:20px;overflow-y:auto;
  box-shadow:0 16px 34px -14px rgba(16,26,22,.24);
}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer__brand{display:flex;align-items:center;gap:10px;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:16px;}
.mobile-drawer__list{display:grid;gap:6px;margin-bottom:20px;}
.mobile-drawer__list a{display:block;padding:12px 14px;border-radius:var(--r-btn);font-size:15px;font-weight:600;color:var(--ink);}
.mobile-drawer__list a:hover,.mobile-drawer__list a.is-active{background:var(--sand);color:var(--brand);}
.mobile-drawer__close{position:absolute;top:16px;right:16px;width:34px;height:34px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;cursor:pointer;font-size:16px;line-height:1;}

/* ---------- hero ---------- */
.hero{position:relative;padding:var(--space-lg) 0;background:#fff;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(11,107,79,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(11,107,79,.07) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-160px;top:-140px;width:520px;height:520px;border-radius:50%;
  border:1px dashed rgba(11,107,79,.18);pointer-events:none;
}
.hero__grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--sand);color:var(--brand);font-size:13px;font-weight:700;margin-bottom:18px;
}
.hero__eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--orange);display:block;}
.hero h1{font-size:40px;line-height:1.25;font-weight:800;letter-spacing:-.01em;}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero__lead{margin-top:16px;font-size:17px;color:var(--ink-2);max-width:520px;}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero__stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line);}
.stat__value{font-family:var(--font-num);font-size:26px;font-weight:700;letter-spacing:.04em;color:var(--ink);line-height:1.2;}
.stat__label{font-size:13px;color:var(--ink-2);}
.hero__media{position:relative;}
.hero__media img{
  width:100%;border-radius:var(--r-img);box-shadow:var(--shadow-1);border:1px solid var(--line);
  aspect-ratio:4/3;object-fit:cover;
}
.hero__float{
  position:absolute;left:-14px;bottom:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:14px 18px;display:flex;align-items:center;gap:12px;max-width:250px;
}
.hero__float b{display:block;font-family:var(--font-num);font-size:20px;letter-spacing:.04em;color:var(--brand);line-height:1.3;}
.hero__float small{font-size:12px;color:var(--ink-2);}

/* ---------- section base ---------- */
.section{padding:var(--space-md) 0;}
.section--tight{padding:var(--space-sm) 0;}
.section--sand{background:var(--sand);}
.section--line{border-top:1px solid var(--line);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.sec-kicker{
  display:block;font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--brand);margin-bottom:8px;
}
.sec-title{font-size:28px;line-height:1.35;font-weight:800;letter-spacing:-.01em;}
.sec-desc{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:680px;}

/* ---------- carousel ---------- */
.shot-carousel{position:relative;}
.shot-slide{
  display:grid;grid-template-columns:1.05fr .95fr;gap:0;align-items:stretch;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;box-shadow:var(--shadow-1);
}
.shot-slide__body{padding:36px 34px;display:flex;flex-direction:column;justify-content:center;gap:12px;}
.shot-slide__index{font-family:var(--font-num);font-size:40px;font-weight:700;letter-spacing:.06em;color:var(--sand-deep);line-height:1;}
.shot-slide__body h3{font-size:22px;font-weight:800;line-height:1.4;}
.shot-slide__body p{font-size:15px;color:var(--ink-2);}
.shot-slide__list{display:grid;gap:8px;margin-top:6px;}
.shot-slide__list li{display:flex;gap:8px;align-items:flex-start;font-size:14px;color:var(--ink-2);}
.shot-slide__list li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--accent);margin-top:9px;flex:0 0 auto;}
.shot-slide__media{position:relative;min-height:300px;background:var(--sand);}
.shot-slide__media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.shot-indicators{position:static;margin:22px 0 0;display:flex;justify-content:center;gap:10px;}
.shot-indicators [data-bs-target]{
  width:52px;height:34px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;
  color:var(--ink-2);font-family:var(--font-num);font-size:15px;font-weight:700;letter-spacing:.08em;
  opacity:1;text-indent:0;margin:0;transition:all .16s ease;
}
.shot-indicators [data-bs-target]:hover{border-color:var(--brand);color:var(--brand);}
.shot-indicators .active{background:var(--brand);border-color:var(--brand);color:#fff;}
.shot-nav{
  position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);display:flex;align-items:center;justify-content:center;
  color:var(--brand);font-size:18px;z-index:5;cursor:pointer;transition:all .16s ease;opacity:1;
}
.shot-nav:hover{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);}
.shot-nav.prev{left:-22px;}
.shot-nav.next{right:-22px;}

/* ---------- value cards ---------- */
.value-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.value-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease;}
.value-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.value-card__main{display:flex;flex-direction:column;height:100%;}
.value-card__main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.value-card__body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.value-card__body h3{font-size:20px;font-weight:800;line-height:1.4;}
.value-card__body p{font-size:15px;color:var(--ink-2);}
.value-side{display:grid;gap:24px;}
.value-mini{display:flex;gap:16px;padding:22px;align-items:flex-start;}
.value-mini__no{
  width:44px;height:44px;border-radius:10px;background:var(--brand);color:#fff;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;font-family:var(--font-num);font-size:18px;font-weight:700;letter-spacing:.04em;
}
.value-mini h3{font-size:17px;font-weight:800;line-height:1.45;margin-bottom:4px;}
.value-mini p{font-size:14px;color:var(--ink-2);}

/* ---------- spec table ---------- */
.spec-card{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff;box-shadow:var(--shadow-1);}
.spec-row{display:grid;grid-template-columns:1.1fr 1fr 1fr;align-items:center;min-height:52px;}
.spec-row + .spec-row{border-top:1px solid var(--line);}
.spec-row > div{padding:12px 22px;font-size:15px;}
.spec-head{background:var(--brand);color:#fff;font-weight:700;font-size:14px;letter-spacing:.04em;}
.spec-head > div{color:#fff;}
.spec-row:nth-child(even):not(.spec-head){background:var(--sand);}
.spec-key{font-weight:600;}
.spec-min{color:var(--ink-2);}
.spec-rec{font-family:var(--font-num);font-weight:700;letter-spacing:.04em;color:var(--brand);font-size:16px;}

/* ---------- reviews ---------- */
.review-wall{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.review-col{display:grid;gap:24px;}
.review-col--offset{padding-top:34px;}
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease;}
.review-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.review-card__top{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.avatar{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;flex:0 0 auto;font-size:16px;}
.avatar--a{background:#0B6B4F;}
.avatar--b{background:#2F7E5F;}
.avatar--c{background:#5A655F;}
.avatar--d{background:#F2622E;}
.review-card__name{font-size:15px;font-weight:700;}
.review-card__meta{font-size:13px;color:var(--ink-2);}
.review-card p{font-size:15px;color:var(--ink-2);}
.review-card__rate{margin-top:12px;color:var(--orange);font-size:14px;letter-spacing:.14em;}

/* ---------- download ---------- */
.download{background:var(--dark);color:var(--dark-ink);position:relative;overflow:hidden;}
.download::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 18% 20%,rgba(181,240,74,.10) 0,transparent 42%),linear-gradient(rgba(242,245,238,.06) 1px,transparent 1px);
  background-size:auto,64px 64px;pointer-events:none;
}
.download .sec-title{color:var(--dark-ink);}
.download .sec-desc{color:rgba(242,245,238,.72);}
.download .sec-kicker{color:var(--accent);}
.dl-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.dl-card{
  background:rgba(242,245,238,.04);border:1px solid var(--dark-line);border-radius:var(--r-card);
  padding:24px;display:flex;flex-direction:column;gap:14px;transition:border-color .16s ease,transform .18s ease,background-color .16s ease;
}
.dl-card:hover{border-color:var(--accent);transform:translateY(-3px);background:rgba(242,245,238,.07);}
.dl-card--pick{border-color:var(--accent);border-width:1.5px;}
.dl-card__head{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.dl-card__name{font-size:17px;font-weight:800;color:var(--dark-ink);}
.dl-card__meta{display:grid;gap:6px;font-size:13px;color:rgba(242,245,238,.72);}
.dl-card__meta b{font-family:var(--font-num);font-size:15px;letter-spacing:.05em;color:var(--dark-ink);font-weight:700;}
.dl-note{position:relative;margin-top:22px;font-size:13px;color:rgba(242,245,238,.62);}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease;}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.news-card__cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-card__cover img{transform:scale(1.03);}
.news-card__cover{overflow:hidden;display:block;}
.news-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-card__title{font-size:17px;font-weight:800;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card:hover .news-card__title{color:var(--brand);}
.news-card__desc{font-size:14px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card__meta{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);}
.news-card__meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line);}
.news-empty{
  border:1px dashed var(--line);border-radius:var(--r-card);padding:48px 24px;text-align:center;background:#fff;
}
.news-empty__icon{font-size:26px;color:var(--sand-deep);display:block;margin-bottom:10px;}
.news-empty p{color:var(--ink-2);font-size:15px;margin-bottom:16px;}

/* ---------- faq ---------- */
.faq-acc{display:grid;gap:14px;}
.faq-acc .accordion-item{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff;box-shadow:0 1px 2px rgba(16,26,22,.05);}
.faq-acc .accordion-button{
  background:#fff;border:0;box-shadow:none;font-size:16px;font-weight:700;color:var(--ink);
  padding:20px 24px 20px 27px;position:relative;border-radius:0;transition:color .16s ease;
}
.faq-acc .accordion-button::before{content:"";position:absolute;left:12px;top:20px;bottom:20px;width:3px;border-radius:2px;background:var(--accent);}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand);background:#fff;}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--accent);outline-offset:-2px;}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--brand);
  width:auto;height:auto;transform:none;display:flex;align-items:center;justify-content:center;line-height:1;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";background-image:none;transform:none;}
.faq-acc .accordion-body{padding:0 24px 22px 27px;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* ---------- cta ---------- */
.cta-band{
  background:var(--brand);color:#fff;border-radius:20px;padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band h2{font-size:24px;font-weight:800;line-height:1.45;color:#fff;}
.cta-band p{margin-top:8px;font-size:15px;color:rgba(255,255,255,.82);max-width:560px;}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.6);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--dark-ink);padding-top:64px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand__mark{background:var(--accent);color:var(--accent-ink);}
.footer-brand span{font-size:17px;font-weight:700;color:var(--dark-ink);}
.footer-col p{font-size:14px;color:rgba(242,245,238,.68);line-height:1.9;}
.footer-title{font-family:var(--font-num);font-size:14px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:rgba(242,245,238,.6);margin-bottom:14px;}
.footer-list{display:grid;gap:2px;}
.footer-list a{font-size:14px;line-height:2;color:rgba(242,245,238,.82);}
.footer-list a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--dark-line);padding:22px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(242,245,238,.6);
}
.footer-bottom a{color:rgba(242,245,238,.6);}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .hero h1{font-size:36px;}
  .dl-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:992px){
  :root{--space-lg:64px;--space-md:48px;--space-sm:40px;}
  .hero__grid{grid-template-columns:1fr;gap:36px;}
  .hero__media{order:-1;}
  .value-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .nav-search{display:none;}
  .review-wall{grid-template-columns:1fr;}
  .review-col--offset{padding-top:0;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .shot-nav{display:none;}
}
@media (max-width:768px){
  .brandbar__actions .mini-link:not(.mini-link--primary){display:none;}
  .nav-toggle{display:flex;}
  .channelbar__inner{height:46px;}
  .chips{overflow-x:auto;-webkit-overflow-scrolling:touch;padding-right:8px;}
  .chips::-webkit-scrollbar{display:none;}
  .chip{flex:0 0 auto;}
  .spec-row{grid-template-columns:1fr;padding:8px 0;}
  .spec-head{display:none;}
  .spec-row > div{padding:4px 20px;}
  .spec-key{font-size:14px;color:var(--ink-2);}
  .spec-row{background:#fff;}
  .spec-row:nth-child(odd):not(.spec-head){background:var(--sand);}
  .shot-slide{grid-template-columns:1fr;}
  .shot-slide__media{min-height:200px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn-main,.cta-band__actions .btn-ghost{width:100%;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:576px){
  .hero h1{font-size:28px;line-height:1.32;}
  .hero__stats{gap:20px;}
  .stat__value{font-size:22px;}
  .sec-title{font-size:22px;}
  .news-grid{grid-template-columns:1fr;}
  .dl-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero__float{position:static;margin-top:14px;max-width:none;}
  .hero__cta{flex-direction:column;align-items:stretch;}
  .hero__cta .btn-main,.hero__cta .btn-ghost{width:100%;}
  .value-mini{flex-direction:column;gap:12px;}
}

/* roulang page: article */
:root{
  --brand:#0B6B4F;
  --brand-deep:#085039;
  --accent:#B5F04A;
  --accent-hover:#A2DE3C;
  --accent-text:#0E1A14;
  --sand:#F0EBDF;
  --sand-soft:#F7F4EC;
  --orange:#F2622E;
  --ink:#101A16;
  --ink-2:#5A655F;
  --line:#E3E6DF;
  --card:#FFFFFF;
  --dark:#0E1613;
  --dark-text:#F2F5EE;
  --r-card:14px;
  --r-btn:10px;
  --r-img:16px;
  --r-pill:999px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(16,26,22,.06), 0 10px 24px -14px rgba(16,26,22,.16);
  --sh-2:0 16px 34px -14px rgba(16,26,22,.24);
  --c-max:1200px;
  --font-sans:"PingFang SC","Noto Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Barlow Condensed","Oswald","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:#FBFAF7;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .12s ease;}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding-left:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--c-max);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:0 1px 0 var(--line);}
.brandbar{border-bottom:1px solid var(--line);background:#fff;}
.brandbar__inner{display:flex;align-items:center;gap:18px;min-height:64px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:19px;letter-spacing:.01em;}
.brand:hover{color:var(--ink);}
.brand__mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:10px;
  background:var(--brand);color:#fff;display:grid;place-items:center;
  font-size:18px;font-weight:700;line-height:1;
}
.brand__text{white-space:nowrap;}
.brandbar__actions{margin-left:auto;display:flex;align-items:center;gap:8px;}
.mini-link{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;
  border-radius:var(--r-pill);font-size:14px;color:var(--ink-2);
  border:1.5px solid transparent;transition:all .12s ease;
}
.mini-link:hover{background:var(--sand);color:var(--brand);}
.mini-link--solid{background:var(--accent);color:var(--accent-text);font-weight:600;}
.mini-link--solid:hover{background:var(--accent-hover);color:var(--accent-text);}
.nav-toggle{
  display:none;margin-left:auto;height:38px;padding:0 14px;border-radius:var(--r-btn);
  border:1.5px solid var(--line);background:#fff;color:var(--ink);font-size:14px;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

.channelbar{background:var(--sand);border-bottom:1px solid var(--line);transition:padding .18s ease;}
.channelbar__inner{display:flex;align-items:center;gap:20px;min-height:48px;}
.chips{display:flex;align-items:center;gap:6px;flex:1 1 auto;min-width:0;}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 15px;font-size:14px;
  color:var(--ink-2);border-radius:var(--r-pill);position:relative;white-space:nowrap;
  transition:background .12s ease,color .12s ease;
}
.chip:hover{background:rgba(11,107,79,.08);color:var(--brand);}
.chip.is-active{color:var(--brand);font-weight:600;background:rgba(255,255,255,.75);}
.chip.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:4px;height:2px;
  background:var(--accent);border-radius:2px;
}
.nav-search{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.nav-search input{
  width:190px;height:36px;padding:0 12px;border:1px solid var(--line);
  background:#fff;border-radius:var(--r-input);font-size:14px;color:var(--ink);
  transition:border-color .12s ease,box-shadow .12s ease;
}
.nav-search input::placeholder{color:#9AA39D;}
.nav-search input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(181,240,74,.55);}
.nav-search button{
  height:36px;padding:0 16px;border:none;border-radius:var(--r-btn);
  background:var(--brand);color:#fff;font-size:14px;cursor:pointer;transition:background .12s ease;
}
.nav-search button:hover{background:var(--brand-deep);}

/* drawer */
.nav-drawer{position:fixed;inset:0;z-index:80;display:none;}
.nav-drawer.is-open{display:block;}
.nav-drawer__mask{position:absolute;inset:0;background:rgba(14,22,19,.5);}
.nav-drawer__panel{
  position:absolute;left:0;top:0;bottom:0;width:290px;max-width:86vw;background:#fff;
  padding:20px;box-shadow:var(--sh-2);overflow-y:auto;
}
.nav-drawer__head{display:flex;align-items:center;gap:10px;font-weight:700;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-close{margin-left:auto;border:none;background:var(--sand);width:32px;height:32px;border-radius:8px;font-size:18px;line-height:1;color:var(--ink-2);cursor:pointer;}
.drawer-close:hover{background:var(--brand);color:#fff;}
.drawer-list{margin-top:14px;display:flex;flex-direction:column;gap:4px;}
.drawer-list a{display:block;padding:11px 12px;border-radius:var(--r-btn);color:var(--ink);font-size:15px;}
.drawer-list a:hover{background:var(--sand);color:var(--brand);}
body.nav-open{overflow:hidden;}

/* ---------- generic ---------- */
.section{padding:72px 0;}
.section--lg{padding:96px 0;}
.section--sm{padding:56px 0;}
.section--sand{background:var(--sand-soft);}
.sec-head{margin-bottom:32px;}
.sec-kicker{
  font-family:var(--font-num);font-size:13px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand);margin-bottom:8px;
}
.sec-title{font-size:28px;line-height:1.35;font-weight:700;letter-spacing:-.01em;}
.sec-desc{margin-top:12px;color:var(--ink-2);font-size:16px;max-width:720px;}

.btn-main,.btn-ghost,.btn-text{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:16px;height:46px;border-radius:var(--r-btn);cursor:pointer;
  transition:all .12s ease;border:none;white-space:nowrap;
}
.btn-main{background:var(--accent);color:var(--accent-text);font-weight:600;padding:0 22px;}
.btn-main:hover{background:var(--accent-hover);color:var(--accent-text);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-main:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border:1.5px solid var(--brand);color:var(--brand);padding:0 20px;font-weight:600;}
.btn-ghost:hover{background:rgba(11,107,79,.08);color:var(--brand-deep);}
.btn-text{background:none;color:var(--brand);padding:0;height:auto;font-weight:600;}
.btn-text .arrow{transition:transform .12s ease;}
.btn-text:hover .arrow{transform:translateX(4px);}

.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--sand);color:var(--brand);font-size:13px;font-weight:600;
}

/* ---------- crumbs ---------- */
.crumbs-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:14px 0;font-size:13px;color:var(--ink-2);}
.crumbs a{color:var(--ink-2);}
.crumbs a:hover{color:var(--brand);}
.crumbs span.sep{color:#C3C9C4;}
.crumbs span.current{color:var(--ink);}

/* ---------- article ---------- */
.article-section{padding:44px 0 72px;}
.article-shell{display:grid;grid-template-columns:minmax(0,760px) 300px;gap:40px;justify-content:center;align-items:start;}
.article-main{min-width:0;}
.article-head .tag{margin-bottom:16px;}
.article-title{font-size:36px;line-height:1.32;font-weight:700;letter-spacing:-.01em;margin-bottom:16px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C3C9C4;display:inline-block;}
.article-cover{margin:26px 0 8px;}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-1);}
.article-cover figcaption{font-size:13px;color:var(--ink-2);margin-top:10px;}

.prose{max-width:760px;font-size:16px;line-height:1.85;color:var(--ink);margin-top:28px;}
.prose p{margin:0 0 20px;}
.prose h2{
  font-size:24px;line-height:1.4;font-weight:700;margin:40px 0 18px;padding-left:14px;
  border-left:4px solid var(--brand);
}
.prose h3{font-size:19px;line-height:1.45;font-weight:700;margin:30px 0 14px;}
.prose ul{margin:0 0 20px;}
.prose ul li{position:relative;padding-left:20px;margin-bottom:10px;}
.prose ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;
  background:var(--brand);border-radius:2px;
}
.prose ol{counter-reset:li;margin:0 0 20px;}
.prose ol li{position:relative;padding-left:26px;margin-bottom:10px;}
.prose ol li::before{
  counter-increment:li;content:counter(li);position:absolute;left:0;top:.35em;
  font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--brand);
}
.prose blockquote{
  margin:0 0 22px;padding:16px 20px;background:var(--sand);border-left:4px solid var(--orange);
  border-radius:0 var(--r-card) var(--r-card) 0;color:var(--ink-2);
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:12px;margin:0 auto 12px;box-shadow:var(--sh-1);}
.prose figure{margin:0 0 22px;}
.prose figure figcaption{font-size:13px;color:var(--ink-2);text-align:center;}
.prose a{color:var(--brand);border-bottom:1px solid rgba(11,107,79,.3);}
.prose a:hover{border-bottom-color:var(--brand);}
.prose code{
  background:var(--sand);border-radius:6px;padding:2px 6px;font-size:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#0B4E3A;
}
.prose pre{background:#0E1613;color:#EAF0E8;padding:18px;border-radius:12px;overflow-x:auto;margin:0 0 22px;}
.prose pre code{background:none;color:inherit;padding:0;}
.prose table{width:100%;border-collapse:collapse;margin:0 0 22px;font-size:15px;overflow:hidden;border-radius:12px;}
.prose table th{background:var(--brand);color:#fff;font-weight:600;text-align:left;}
.prose table th,.prose table td{padding:14px 16px;border-bottom:1px solid var(--line);}
.prose table tbody tr:nth-child(even){background:var(--sand);}
.prose hr{border:none;border-top:1px solid var(--line);margin:32px 0;}

.article-empty{
  margin-top:32px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:48px 28px;text-align:center;box-shadow:var(--sh-1);
}
.article-empty .ico{
  width:56px;height:56px;border-radius:16px;background:var(--sand);color:var(--brand);
  display:grid;place-items:center;margin:0 auto 18px;font-size:24px;font-weight:700;
}
.article-empty h2{font-size:20px;font-weight:700;margin-bottom:10px;}
.article-empty p{color:var(--ink-2);font-size:15px;margin-bottom:20px;}

.article-foot{margin-top:40px;}
.tags-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px;}

.pn-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-bottom:32px;}
.pn-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--sh-1);transition:all .16s ease;
}
.pn-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(11,107,79,.35);}
.pn-card .label{font-family:var(--font-num);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);}
.pn-card .name{display:block;margin-top:8px;font-size:16px;font-weight:600;color:var(--ink);line-height:1.55;}
.pn-card:hover .name{color:var(--brand);}
.pn-card--next{text-align:right;}

.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-bottom:32px;}
.r-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:all .16s ease;display:flex;flex-direction:column;}
.r-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(11,107,79,.35);}
.r-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.r-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
.r-card .tag{align-self:flex-start;margin-bottom:10px;}
.r-card h3{font-size:17px;line-height:1.5;font-weight:600;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.r-card:hover h3{color:var(--brand);}
.r-card p{margin-top:8px;font-size:14px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.r-card .meta{margin-top:14px;font-size:13px;color:var(--ink-2);display:flex;align-items:center;gap:8px;}

/* sidebar */
.article-side{position:sticky;top:130px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);}
.side-title{font-family:var(--font-num);font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);margin-bottom:14px;}
.side-list{display:flex;flex-direction:column;gap:2px;}
.side-list a{display:block;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--ink);line-height:1.6;}
.side-list li:last-child a{border-bottom:none;}
.side-list a:hover{color:var(--brand);}
.side-card .btn-ghost{width:100%;margin-top:16px;}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--brand);border-radius:20px;color:#fff;padding:34px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;box-shadow:var(--sh-1);
}
.cta-band h2{font-size:22px;font-weight:700;color:#fff;margin-bottom:8px;}
.cta-band p{color:rgba(242,245,238,.82);font-size:15px;}
.cta-band .cta-actions{display:flex;gap:12px;flex:0 0 auto;}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.7);color:#fff;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--dark-text);padding:64px 0 0;margin-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-col p{color:rgba(242,245,238,.68);font-size:14px;line-height:1.9;max-width:360px;}
.footer-title{font-family:var(--font-num);font-size:14px;letter-spacing:.14em;text-transform:uppercase;color:#fff;margin-bottom:14px;}
.footer-list{display:flex;flex-direction:column;gap:8px;}
.footer-list a{color:rgba(242,245,238,.72);font-size:14px;line-height:1.8;}
.footer-list a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(242,245,238,.14);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(242,245,238,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .article-shell{grid-template-columns:minmax(0,1fr) 280px;gap:32px;}
}
@media (max-width:1023.98px){
  .article-shell{grid-template-columns:minmax(0,1fr);}
  .article-side{position:static;top:auto;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991.98px){
  .cta-band{flex-direction:column;align-items:flex-start;}
  .cta-band .cta-actions{width:100%;flex-wrap:wrap;}
  .article-title{font-size:30px;}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px;}
  .brandbar__actions{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;}
  .channelbar__inner{flex-wrap:nowrap;overflow-x:auto;gap:12px;padding-top:6px;padding-bottom:6px;-webkit-overflow-scrolling:touch;}
  .chips{flex-wrap:nowrap;flex:0 0 auto;}
  .nav-search{display:none;}
  .section{padding:48px 0;}
  .section--lg{padding:64px 0;}
  .section--sm{padding:40px 0;}
  .article-section{padding:28px 0 56px;}
  .article-title{font-size:28px;line-height:1.36;}
  .prose{font-size:16px;}
  .prose h2{font-size:21px;}
  .pn-grid,.related-grid{grid-template-columns:minmax(0,1fr);}
  .pn-card--next{text-align:left;}
  .cta-band{padding:26px 20px;}
  .cta-band .cta-actions .btn-main,.cta-band .cta-actions .btn-ghost{width:100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .site-footer{padding-top:48px;margin-top:56px;}
}
@media (max-width:575.98px){
  .brand{font-size:17px;}
  .article-title{font-size:25px;}
  .crumbs{gap:4px;}
}

/* roulang page: category1 */
:root{
  --green:#0B6B4F;
  --green-deep:#085640;
  --green-soft:rgba(11,107,79,.08);
  --lime:#B5F04A;
  --lime-hover:#A2DE3C;
  --sand:#F0EBDF;
  --sand-soft:#F7F4EC;
  --orange:#F2622E;
  --ink:#101A16;
  --muted:#5A655F;
  --line:#E3E6DF;
  --card:#FFFFFF;
  --dark:#0E1613;
  --dark-text:#F2F5EE;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:16px;
  --radius-input:12px;
  --shadow-1:0 1px 2px rgba(16,26,22,.06), 0 10px 24px -14px rgba(16,26,22,.16);
  --shadow-2:0 16px 34px -14px rgba(16,26,22,.24);
  --font-sans:"PingFang SC","Noto Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --font-num:"Barlow Condensed","Oswald","Arial Narrow","PingFang SC",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:#FBFCFA;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--green);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--green-deep);}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.35;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

body .container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ============ 顶部品牌行 ============ */
.site-header{position:relative;z-index:60;}
.brandbar{
  background:#fff;
  border-bottom:1px solid var(--line);
  min-height:64px;
}
.brandbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:64px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:18px;
  color:var(--ink);
  letter-spacing:.01em;
}
.brand__mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--green);
  color:#fff;
  border-radius:10px;
  font-size:16px;
  font-weight:700;
  letter-spacing:0;
  flex:0 0 34px;
}
.brand:hover{color:var(--ink);}
.brandbar__links{display:flex;align-items:center;gap:8px;}
.top-link{
  font-size:14px;
  color:var(--muted);
  padding:8px 12px;
  border-radius:8px;
  transition:background .18s ease,color .18s ease;
}
.top-link:hover{background:var(--sand);color:var(--green);}
.top-link--accent{
  color:var(--green);
  font-weight:600;
  border:1.5px solid var(--green);
  padding:7px 14px;
  border-radius:var(--radius-btn);
}
.top-link--accent:hover{background:var(--green-soft);color:var(--green-deep);}
.drawer-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:10px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
}
.drawer-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}

/* ============ 频道导航 ============ */
.channelbar{
  background:var(--sand-soft);
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:50;
  transition:padding .2s ease;
}
.channelbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:48px;
  padding-top:6px;
  padding-bottom:6px;
  transition:min-height .2s ease,padding .2s ease;
}
body.nav-compact .channelbar__inner{min-height:40px;padding-top:2px;padding-bottom:2px;}
.chips{display:flex;align-items:center;gap:6px;flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;}
.chips::-webkit-scrollbar{height:0;}
.chip{
  display:inline-block;
  white-space:nowrap;
  font-size:14px;
  color:var(--muted);
  padding:8px 14px;
  border-radius:999px;
  border-bottom:2px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{background:var(--sand);color:var(--green);}
.chip.is-active{
  color:var(--green);
  font-weight:700;
  border-bottom-color:var(--lime);
  background:transparent;
}
.nav-search{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.nav-search input{
  width:190px;
  height:34px;
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  background:#fff;
  padding:0 12px;
  font-size:14px;
  color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search input::placeholder{color:#9AA39D;}
.nav-search input:focus{
  outline:none;
  border-color:var(--lime);
  box-shadow:0 0 0 2px rgba(181,240,74,.55);
}
.nav-search button{
  height:34px;
  padding:0 16px;
  border:none;
  border-radius:var(--radius-btn);
  background:var(--lime);
  color:#0E1A14;
  font-size:14px;
  font-weight:700;
  cursor:pointer;
  transition:background .15s ease,transform .15s ease;
}
.nav-search button:hover{background:var(--lime-hover);transform:translateY(-1px);}
.nav-search button:active{transform:translateY(0);}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;
  inset:0 0 0 auto;
  width:min(320px,86vw);
  background:#fff;
  box-shadow:-14px 0 40px -20px rgba(16,26,22,.4);
  transform:translateX(102%);
  transition:transform .24s ease;
  z-index:90;
  padding:20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer__close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  background:#fff;font-size:18px;color:var(--muted);cursor:pointer;
}
.drawer__title{font-size:13px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;font-family:var(--font-num);margin:18px 0 8px;}
.drawer__list a{
  display:block;
  padding:12px 14px;
  border-radius:10px;
  color:var(--ink);
  font-size:15px;
  border:1px solid transparent;
}
.drawer__list a:hover{background:var(--sand-soft);color:var(--green);}
.drawer__list a.is-active{background:var(--green-soft);color:var(--green);font-weight:700;border-color:rgba(11,107,79,.16);}
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(14,22,19,.45);
  opacity:0;visibility:hidden;transition:opacity .24s ease;z-index:80;
}
.drawer-backdrop.is-open{opacity:1;visibility:visible;}
body.no-scroll{overflow:hidden;}

/* ============ 面包屑 ============ */
.breadcrumb-row{padding:20px 0 0;}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.breadcrumb-list li{display:flex;align-items:center;gap:8px;}
.breadcrumb-list li+li::before{content:"/";color:#B6BCB6;}
.breadcrumb-list a{color:var(--muted);}
.breadcrumb-list a:hover{color:var(--green);}
.breadcrumb-list [aria-current]{color:var(--ink);}

/* ============ Hero ============ */
.hero-compact{
  position:relative;
  padding:26px 0 56px;
  background:
    linear-gradient(180deg,rgba(240,235,223,.55),rgba(251,252,250,0) 78%),
    repeating-linear-gradient(90deg,rgba(11,107,79,.07) 0 1px,transparent 1px 84px);
  overflow:hidden;
}
.hero-compact::after{
  content:"";
  position:absolute;
  right:-120px;top:-140px;
  width:420px;height:420px;
  border:34px solid rgba(11,107,79,.06);
  border-radius:50%;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:44px;
  align-items:center;
  padding-top:22px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);
  font-size:13px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--green);
  background:#fff;
  border:1px solid rgba(11,107,79,.16);
  border-radius:999px;
  padding:6px 14px;
  box-shadow:var(--shadow-1);
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime);}
.hero-copy h1{
  font-size:40px;
  line-height:1.26;
  margin:18px 0 16px;
  letter-spacing:-.01em;
}
.hero-desc{font-size:16px;color:var(--muted);max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:28px;
  margin-top:30px;
  padding-top:22px;
  border-top:1px dashed var(--line);
}
.hero-metrics li{display:flex;flex-direction:column;gap:2px;}
.hero-metrics .num{
  font-family:var(--font-num);
  font-size:26px;
  font-weight:700;
  color:var(--green);
  letter-spacing:.04em;
  line-height:1.1;
}
.hero-metrics .lbl{font-size:13px;color:var(--muted);}
.hero-figure{
  position:relative;
  border-radius:var(--radius-img);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  background:var(--sand);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;min-height:300px;}
.hero-figure__tag{
  position:absolute;
  left:16px;bottom:16px;
  background:rgba(14,22,19,.82);
  color:var(--dark-text);
  font-size:13px;
  border-radius:999px;
  padding:6px 14px;
  backdrop-filter:blur(2px);
}

/* ============ 按钮 ============ */
.btn-lime,.btn-ghost,.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;
  padding:0 22px;
  font-size:16px;
  font-weight:700;
  border-radius:var(--radius-btn);
  cursor:pointer;
  transition:background .12s ease,transform .12s ease,box-shadow .12s ease,color .12s ease,border-color .12s ease;
}
.btn-lime{background:var(--lime);color:#0E1A14;border:1.5px solid var(--lime);}
.btn-lime:hover{background:var(--lime-hover);border-color:var(--lime-hover);color:#0E1A14;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-lime:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--green);border:1.5px solid var(--green);}
.btn-ghost:hover{background:var(--green-soft);color:var(--green-deep);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost-light{background:transparent;color:#F2F5EE;border:1.5px solid rgba(242,245,238,.4);}
.btn-ghost-light:hover{background:rgba(242,245,238,.12);color:#fff;border-color:rgba(242,245,238,.6);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--green);
}
.link-arrow .arrow{transition:transform .18s ease;}
.link-arrow:hover .arrow{transform:translateX(4px);}

/* ============ 通用板块 ============ */
.section{padding:72px 0;}
.section--tight{padding:56px 0;}
.section--sand{background:var(--sand-soft);}
.section-head{margin-bottom:32px;max-width:760px;}
.section-head h2{font-size:28px;line-height:1.34;}
.section-head p{margin-top:10px;color:var(--muted);font-size:15px;}
.section-head--split{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;max-width:none;
}
.section-index{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:30px;padding:0 10px;
  background:var(--green);color:#fff;
  font-family:var(--font-num);font-size:14px;letter-spacing:.06em;
  border-radius:8px;margin-bottom:12px;
}

/* ============ 安装流程 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.flow-card{
  background:#fff;border-radius:var(--radius-card);padding:22px;
  box-shadow:var(--shadow-1);border:1px solid var(--line);
  transition:transform .18s ease,box-shadow .18s ease;
}
.flow-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.flow-card__no{
  width:38px;height:38px;border-radius:10px;background:var(--green);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:17px;letter-spacing:.04em;margin-bottom:14px;
}
.flow-card h3{font-size:17px;margin-bottom:8px;}
.flow-card p{font-size:14px;color:var(--muted);line-height:1.8;}

/* ============ 密集行卡列表 ============ */
.rowlist{border-top:1px solid var(--line);}
.rowlist-item{
  display:grid;
  grid-template-columns:160px minmax(0,1fr) auto;
  gap:22px;
  align-items:center;
  padding:22px 0;
  border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.rowlist-item:hover{background:rgba(240,235,223,.35);}
.rowlist-item__thumb{
  width:160px;height:110px;
  border-radius:12px;
  overflow:hidden;
  background:var(--sand);
  flex:0 0 160px;
}
.rowlist-item__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.rowlist-item:hover .rowlist-item__thumb img{transform:scale(1.04);}
.rowlist-item__body h3{font-size:17px;line-height:1.5;margin-bottom:8px;}
.rowlist-item:hover .rowlist-item__body h3{color:var(--green);}
.rowlist-item__body p{
  font-size:14px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rowlist-item__meta{
  margin-top:10px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  font-size:13px;color:var(--muted);
}
.rowlist-item__meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.tag{
  display:inline-flex;align-items:center;
  font-size:13px;color:var(--green);background:var(--sand);
  border-radius:999px;padding:3px 12px;
}
.rowlist-item__side{display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.size-num{
  font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--ink);letter-spacing:.04em;
}
.size-lbl{font-size:12px;color:var(--muted);}

/* ============ CTA 横条 ============ */
.cta-strip{
  background:var(--green);
  border-radius:20px;
  padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  color:#F2F5EE;
  position:relative;
  overflow:hidden;
}
.cta-strip::before{
  content:"";
  position:absolute;right:-60px;top:-70px;width:240px;height:240px;
  border:22px solid rgba(181,240,74,.16);border-radius:50%;
}
.cta-strip h2{color:#fff;font-size:24px;position:relative;}
.cta-strip p{color:rgba(242,245,238,.82);font-size:15px;margin-top:8px;max-width:560px;position:relative;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;}

/* ============ 规格表 ============ */
.spec-table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  background:#fff;
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  font-size:15px;
}
.spec-table thead th{
  background:var(--green);
  color:#fff;
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  text-align:left;
  padding:16px 20px;
}
.spec-table tbody td{
  padding:0 20px;
  height:52px;
  border-bottom:1px solid var(--line);
  color:var(--muted);
  vertical-align:middle;
}
.spec-table tbody tr:nth-child(even){background:var(--sand-soft);}
.spec-table tbody tr:last-child td{border-bottom:none;}
.spec-table tbody td:first-child{color:var(--ink);font-weight:600;}
.spec-table .rec{
  font-family:var(--font-num);
  font-weight:700;
  color:var(--green);
  letter-spacing:.03em;
  font-size:16px;
}
.spec-dl{display:none;}

/* ============ FAQ ============ */
.faq-list{max-width:900px;}
.faq-item{
  background:#fff;
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  margin-bottom:12px;
  overflow:hidden;
  border:1px solid var(--line);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 22px 18px 22px;
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  position:relative;
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--lime);border-radius:0 3px 3px 0;
  opacity:0;transition:opacity .2s ease;
}
.faq-item[open] summary::before{opacity:1;}
.faq-item summary::after{
  content:"+";
  font-size:22px;font-weight:400;color:var(--green);
  line-height:1;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:hover{color:var(--green);}
.faq-item .faq-answer{
  padding:0 22px 20px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
}

/* ============ 相关分类互链 ============ */
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.related-card{
  display:flex;flex-direction:column;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(11,107,79,.24);}
.related-card h3{font-size:18px;}
.related-card p{font-size:14px;color:var(--muted);}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:var(--dark-text);padding:64px 0 0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;}
.footer-brand .brand__mark{background:transparent;border:1.5px solid var(--lime);color:var(--lime);}
.footer-col p{font-size:14px;line-height:2;color:rgba(242,245,238,.72);margin-top:14px;max-width:360px;}
.footer-title{
  font-family:var(--font-num);
  font-size:14px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--lime);margin-bottom:14px;
}
.footer-list li{line-height:2;}
.footer-list a{font-size:14px;color:rgba(242,245,238,.78);}
.footer-list a:hover{color:var(--lime);}
.footer-bottom{
  border-top:1px solid rgba(242,245,238,.14);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;
  font-size:13px;color:rgba(242,245,238,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero-copy h1{font-size:36px;}
}
@media (max-width:991.98px){
  .brandbar__links .top-link:not(.top-link--accent){display:none;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:30px;}
  .hero-figure img{min-height:240px;}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:30px;}
  .spec-table{display:none;}
  .spec-dl{display:block;}
  .spec-dl__row{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    padding:16px 18px;margin-bottom:12px;box-shadow:var(--shadow-1);
  }
  .spec-dl__row dt{font-size:15px;font-weight:700;margin-bottom:8px;color:var(--ink);}
  .spec-dl__row dd{margin:0;font-size:14px;color:var(--muted);line-height:1.9;}
  .spec-dl__row dd b{font-family:var(--font-num);color:var(--green);font-size:15px;letter-spacing:.03em;}
}
@media (max-width:767.98px){
  body .container{padding-left:16px;padding-right:16px;}
  .drawer-toggle{display:inline-flex;}
  .brandbar__links{display:none;}
  .channelbar__inner{flex-direction:column;align-items:stretch;gap:10px;padding-top:10px;padding-bottom:10px;}
  .chips{padding-bottom:4px;}
  .nav-search{width:100%;}
  .nav-search input{flex:1 1 auto;width:auto;}
  .hero-compact{padding:18px 0 40px;}
  .hero-copy h1{font-size:28px;line-height:1.36;margin:14px 0 12px;}
  .hero-desc{font-size:15px;}
  .hero-actions{flex-direction:column;align-items:stretch;margin-top:22px;}
  .hero-actions .btn-lime,.hero-actions .btn-ghost{width:100%;}
  .hero-metrics{gap:18px 26px;}
  .section{padding:48px 0;}
  .section--tight{padding:40px 0;}
  .section-head h2{font-size:22px;}
  .section-head--split{flex-direction:column;align-items:flex-start;}
  .flow-grid{grid-template-columns:minmax(0,1fr);}
  .rowlist-item{grid-template-columns:1fr;gap:14px;padding:20px 0;}
  .rowlist-item__thumb{width:100%;height:180px;flex:none;}
  .rowlist-item__side{flex-direction:row;align-items:center;justify-content:space-between;width:100%;}
  .cta-strip h2{font-size:20px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn-lime,.cta-actions .btn-ghost-light{width:100%;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:48px 0 0;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  .brand{font-size:16px;}
  .hero-metrics .num{font-size:22px;}
  .faq-item summary{padding:16px 16px;font-size:15px;}
  .faq-item .faq-answer{padding:0 16px 18px 16px;}
}

/* roulang page: category2 */
:root{
  --brand:#0B6B4F;
  --brand-deep:#084F3B;
  --accent:#B5F04A;
  --accent-hover:#A2DE3C;
  --sand:#F0EBDF;
  --sand-soft:#F7F4EC;
  --orange:#F2622E;
  --ink:#101A16;
  --ink-2:#5A655F;
  --line:#E3E6DF;
  --card:#FFFFFF;
  --dark:#0E1613;
  --dark-ink:#F2F5EE;
  --r-card:14px;
  --r-btn:10px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,26,22,.06), 0 10px 24px -14px rgba(16,26,22,.16);
  --sh-2:0 16px 34px -14px rgba(16,26,22,.24);
  --t:120ms ease;
  --font-sans:"PingFang SC","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-num:"Oswald","Barlow Condensed","Arial Narrow",var(--font-sans);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:#FFFFFF;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.num{font-family:var(--font-num);letter-spacing:.06em}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:72px 0}
.section--sand{background:var(--sand-soft)}
.section--tight{padding:56px 0}

/* ---------- 页头 ---------- */
.topbar{background:#FFFFFF;border-bottom:1px solid var(--line)}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand__mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  background:var(--brand);color:#FFFFFF;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:18px;letter-spacing:.02em;
}
.brand__text{display:flex;flex-direction:column;min-width:0}
.brand__text strong{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand__text em{font-style:normal;font-size:13px;color:var(--ink-2);letter-spacing:.04em}
.quicknav{display:flex;align-items:center;gap:18px}
.quick-link{font-size:14px;color:var(--ink-2)}
.quick-link:hover{color:var(--brand)}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  background:var(--accent);color:#0E1A14;font-size:16px;font-weight:700;
  border:0;cursor:pointer;transition:background-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-cta:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--sh-2);color:#0E1A14}
.btn-cta:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-cta--sm{height:38px;padding:0 16px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  background:transparent;color:var(--brand);font-size:16px;font-weight:600;
  border:1.5px solid var(--brand);cursor:pointer;
  transition:background-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-ghost:hover{background:rgba(11,107,79,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-ghost--onDark{color:var(--accent);border-color:var(--accent)}
.btn-ghost--onDark:hover{background:rgba(181,240,74,.14)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.link-arrow .arrow{transition:transform var(--t)}
.link-arrow:hover .arrow{transform:translateX(4px)}

/* ---------- 频道行 ---------- */
.channelbar{
  position:sticky;top:0;z-index:60;
  background:var(--sand);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.channelbar.is-compact{box-shadow:0 8px 20px -18px rgba(16,26,22,.5)}
.channelbar__inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:48px;transition:height var(--t);
}
.channelbar.is-compact .channelbar__inner{height:40px}
.chips{display:flex;align-items:center;gap:6px;min-width:0}
.chip{
  position:relative;display:inline-flex;align-items:center;
  height:34px;padding:0 14px;border-radius:var(--r-pill);
  font-size:14px;color:var(--ink-2);white-space:nowrap;
  transition:background-color var(--t),color var(--t);
}
.chip:hover{background:rgba(255,255,255,.75);color:var(--brand)}
.chip.is-active{color:var(--brand);font-weight:700;background:transparent}
.chip.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--accent);border-radius:2px;
}
.nav-search{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.nav-search input{
  width:190px;height:34px;padding:0 12px;
  border:1px solid var(--line);border-radius:var(--r-input);
  background:#FFFFFF;font-size:14px;color:var(--ink);
  transition:border-color var(--t),box-shadow var(--t);
}
.nav-search input::placeholder{color:#9AA39D}
.nav-search input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px var(--accent)}
.nav-search button{
  height:34px;padding:0 14px;border:0;border-radius:var(--r-input);
  background:var(--brand);color:#FFFFFF;font-size:14px;cursor:pointer;
  transition:background-color var(--t);
}
.nav-search button:hover{background:var(--brand-deep)}

/* ---------- Hero ---------- */
.page-hero{position:relative;padding:64px 0 72px;background:#FFFFFF;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(16,26,22,.55) 1px, transparent 1px),linear-gradient(90deg, rgba(16,26,22,.55) 1px, transparent 1px);
  background-size:64px 64px;opacity:.06;pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;
  border:1.5px solid rgba(11,107,79,.16);border-radius:50%;pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:20px}
.crumb a:hover{color:var(--brand)}
.crumb span.dot{color:#B9BFB8}
.hero-title{
  font-size:40px;line-height:1.28;font-weight:800;letter-spacing:-.01em;color:var(--ink);
  margin-bottom:18px;
}
.hero-lead{font-size:16px;line-height:1.85;color:var(--ink-2);margin-bottom:26px;max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--sand);color:var(--brand);font-size:13px;font-weight:600;
}
.tag--outline{background:transparent;border:1px solid var(--line);color:var(--ink-2);font-weight:500}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;border-radius:var(--r-img);box-shadow:var(--sh-1);
  object-fit:cover;aspect-ratio:16/11;
}
.hero-visual .visual-badge{
  position:absolute;left:20px;bottom:-16px;
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:var(--r-pill);
  background:#FFFFFF;box-shadow:var(--sh-1);
  font-size:13px;color:var(--ink);font-weight:600;
}
.hero-visual .visual-badge i{
  width:8px;height:8px;border-radius:50%;background:var(--orange);display:inline-block;
}

/* ---------- 通用板块头 ---------- */
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:13px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand);margin-bottom:10px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.sec-title{font-size:28px;line-height:1.34;font-weight:800;color:var(--ink)}
.sec-sub{font-size:15px;color:var(--ink-2);max-width:64ch;margin-top:10px}

/* ---------- 图文磁贴 ---------- */
.tiles{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.tile{
  position:relative;height:220px;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t);
  display:block;background:var(--dark);
}
.tile:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.tile__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 400ms ease}
.tile:hover .tile__img{transform:scale(1.04)}
.tile__veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(14,22,19,.12) 0%, rgba(14,22,19,.62) 58%, rgba(14,22,19,.86) 100%);
}
.tile__body{position:absolute;left:22px;right:22px;bottom:20px;color:#FFFFFF;z-index:2}
.tile__kicker{
  display:inline-flex;font-family:var(--font-num);font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);margin-bottom:8px;
}
.tile__title{display:block;font-size:20px;line-height:1.4;font-weight:700;margin-bottom:6px}
.tile__desc{display:block;font-size:14px;line-height:1.7;color:rgba(242,245,238,.86)}

/* ---------- 编号排行 ---------- */
.rank-list{border-top:1px solid var(--line)}
.rank-item{
  display:grid;grid-template-columns:56px 1fr auto;gap:20px;align-items:center;
  padding:22px 4px;border-bottom:1px solid var(--line);
  transition:background-color var(--t),padding var(--t);
}
.rank-item:hover{background:var(--sand-soft);padding-left:12px;padding-right:12px}
.rank-no{
  width:44px;height:44px;border-radius:10px;background:var(--brand);color:#FFFFFF;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:18px;letter-spacing:.06em;font-weight:600;
}
.rank-title{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:4px}
.rank-desc{font-size:14px;color:var(--ink-2);line-height:1.75}
.rank-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--sand);color:var(--brand);font-size:12px;font-weight:600;white-space:nowrap;
}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--dark);border-radius:20px;padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  border:1px solid rgba(181,240,74,.22);
}
.cta-band__text h2{font-size:24px;line-height:1.45;font-weight:800;color:var(--dark-ink);margin-bottom:8px}
.cta-band__text p{font-size:15px;color:rgba(242,245,238,.72);max-width:52ch}
.cta-band__actions{display:flex;gap:12px;flex:0 0 auto}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:700;color:var(--ink);
  border-left:3px solid var(--accent);
  transition:color var(--t),background-color var(--t);
}
.faq-q:hover{color:var(--brand);background:var(--sand-soft)}
.faq-q[aria-expanded="true"]{color:var(--brand)}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;transition:transform 200ms ease,opacity 200ms ease}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{padding:0 22px 20px 22px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.faq-a ul{margin-top:10px;display:grid;gap:8px}
.faq-a li{position:relative;padding-left:16px}
.faq-a li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;background:var(--brand);border-radius:2px}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  display:block;padding:24px;border-radius:var(--r-card);background:var(--card);
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(11,107,79,.28)}
.rel-card__kicker{font-family:var(--font-num);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);margin-bottom:10px}
.rel-card__title{font-size:17px;font-weight:700;margin-bottom:8px;color:var(--ink)}
.rel-card:hover .rel-card__title{color:var(--brand)}
.rel-card__desc{font-size:14px;color:var(--ink-2);line-height:1.75;margin-bottom:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--dark-ink);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;font-size:17px;font-weight:700}
.footer-brand .brand__mark{width:34px;height:34px;flex:0 0 34px;font-size:16px}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(242,245,238,.68);max-width:34ch}
.footer-title{
  font-family:var(--font-num);font-size:14px;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(242,245,238,.62);margin-bottom:14px;
}
.footer-list{display:grid;gap:10px}
.footer-list a{font-size:14px;color:rgba(242,245,238,.86);line-height:2}
.footer-list a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(242,245,238,.16);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(242,245,238,.56);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .hero-title{font-size:36px}
}
@media (max-width:992px){
  .section{padding:48px 0}
  .section--tight{padding:40px 0}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-title{font-size:32px}
  .page-hero{padding:48px 0 56px}
  .rel-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px}
}
@media (max-width:768px){
  .container{padding-left:16px;padding-right:16px}
  .topbar__inner{height:auto;padding:12px 0;flex-wrap:wrap;gap:12px}
  .quicknav{gap:12px;flex-wrap:wrap}
  .channelbar__inner{height:auto;padding:8px 0;flex-direction:column;align-items:stretch;gap:10px}
  .channelbar.is-compact .channelbar__inner{height:auto}
  .chips{overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
  .chips::-webkit-scrollbar{display:none}
  .nav-search input{width:100%}
  .nav-search{width:100%}
  .nav-search input{flex:1 1 auto}
  .hero-title{font-size:28px;line-height:1.36}
  .hero-lead{font-size:15px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-cta,.hero-actions .btn-ghost{width:100%}
  .tiles{grid-template-columns:1fr}
  .tile{height:200px}
  .rank-item{grid-template-columns:44px 1fr;gap:14px;align-items:start;padding:18px 0}
  .rank-tag{grid-column:2;justify-self:start;margin-top:6px}
  .rank-no{width:36px;height:36px;font-size:16px}
  .rel-grid{grid-template-columns:1fr}
  .cta-band__actions{flex-direction:column;width:100%}
  .cta-band__actions .btn-cta,.cta-band__actions .btn-ghost{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .sec-title{font-size:23px}
  .hero-title{font-size:26px}
  .brand__text em{display:none}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a{padding:0 18px 18px 18px}
}