/* roulang page: index */
:root{
  --c-ink:#08160F;
  --c-brand:#0E3B2B;
  --c-brand-600:#14543C;
  --c-brand-300:#2E8461;
  --c-accent:#D8FF4B;
  --c-accent-ink:#0E3B2B;
  --c-clay:#E4673F;
  --c-mist:#F6F5F0;
  --c-paper:#FFFFFF;
  --c-line:#DEE3DA;
  --c-text:#10221A;
  --c-text-2:#56655D;
  --c-on-dark:#EAF2EC;
  --c-on-dark-2:#9DB3A7;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","DIN Alternate","Arial Narrow",Impact,sans-serif;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(8,22,15,.06),0 8px 24px rgba(8,22,15,.07);
  --sh-2:0 14px 34px rgba(8,22,15,.13);
  --wrap:1200px;
  --sec-y:clamp(56px,8vw,104px);
  --nav-h:120px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-mist);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-brand-300);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--c-brand)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--c-brand-300);
  outline-offset:2px;
  border-radius:6px;
}
.on-dark a:focus-visible,.on-dark button:focus-visible{outline-color:var(--c-accent)}
.num{font-family:var(--font-num);letter-spacing:.02em}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
@media(min-width:640px){.container{padding:0 32px}}
@media(min-width:1024px){.container{padding:0 48px}}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--c-brand);
  color:var(--c-on-dark);
  border-bottom:1px solid rgba(234,242,236,.12);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 10px 30px rgba(8,22,15,.28)}
.nav-top{
  display:flex;align-items:center;gap:18px;
  height:68px;
  transition:height .24s ease;
}
.is-stuck .nav-top{height:56px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;color:var(--c-on-dark)}
.brand:hover{color:var(--c-on-dark)}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:50%;
  border:2px solid var(--c-accent);
  position:relative;display:block;
}
.brand-mark::before,.brand-mark::after{
  content:"";position:absolute;border-radius:50%;
  border:1px solid rgba(216,255,75,.55);
}
.brand-mark::before{inset:5px}
.brand-mark::after{
  inset:11px;background:var(--c-accent);
  border:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-size:16.5px;font-weight:800;letter-spacing:.01em}
.brand-sub{font-size:10.5px;color:var(--c-on-dark-2);letter-spacing:.06em;margin-top:3px}
.is-stuck .brand-sub{display:none}
.nav-search{
  flex:1 1 auto;max-width:340px;margin-left:8px;
  display:none;
}
@media(min-width:1024px){.nav-search{display:block}}
.nav-search form{
  display:flex;align-items:center;gap:8px;
  background:rgba(234,242,236,.08);
  border:1px solid rgba(234,242,236,.16);
  border-radius:var(--r-pill);
  padding:0 8px 0 16px;height:40px;
  transition:border-color .22s ease,background .22s ease;
}
.nav-search form:focus-within{border-color:var(--c-accent);background:rgba(234,242,236,.12)}
.nav-search input{
  flex:1;background:transparent;border:0;outline:none;
  color:var(--c-on-dark);font-size:14px;height:100%;
}
.nav-search input::placeholder{color:rgba(157,179,167,.85)}
.nav-search button{
  border:0;background:var(--c-brand-600);color:var(--c-on-dark);
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;cursor:pointer;transition:background .2s ease,color .2s ease;
}
.nav-search button:hover{background:var(--c-accent);color:var(--c-accent-ink)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-link-quiet{
  font-size:14px;color:var(--c-on-dark-2);display:none;
}
@media(min-width:768px){.nav-link-quiet{display:inline-block}}
.nav-link-quiet:hover{color:var(--c-accent)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;
  border:1.5px solid transparent;cursor:pointer;
  transition:background .24s cubic-bezier(.22,.61,.36,1),color .24s ease,
             border-color .24s ease,transform .24s cubic-bezier(.22,.61,.36,1),box-shadow .24s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:var(--c-accent-ink)}
.btn-primary:hover{background:#E4FF6E;color:var(--c-accent-ink);transform:translateY(-2px);box-shadow:0 14px 30px rgba(8,22,15,.2)}
.btn-primary:active{transform:translateY(0);background:#C9EE3F}
.btn-ghost{background:transparent;color:var(--c-on-dark);border-color:rgba(234,242,236,.42)}
.btn-ghost:hover{color:var(--c-accent);border-color:var(--c-accent);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-outline{background:transparent;color:var(--c-brand);border-color:rgba(14,59,43,.32)}
.btn-outline:hover{background:var(--c-brand);color:var(--c-paper);border-color:var(--c-brand);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;transform:none;box-shadow:none}
.nav-cta{padding:11px 20px;font-size:14px}
@media(max-width:639px){
  .nav-cta{padding:9px 14px;font-size:13px}
  .brand-name{font-size:15px}
  .brand-sub{font-size:9.5px}
  .nav-top{height:60px;gap:10px}
}
.nav-channels-wrap{
  position:relative;
  border-top:1px solid rgba(234,242,236,.1);
  background:rgba(8,22,15,.22);
}
.nav-channels{
  display:flex;align-items:center;gap:8px;
  height:52px;overflow-x:auto;flex-wrap:nowrap;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav-channels::-webkit-scrollbar{display:none}
.channel{
  flex:0 0 auto;
  padding:8px 18px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--c-on-dark-2);
  white-space:nowrap;transition:background .22s ease,color .22s ease;
}
.channel:hover{background:rgba(216,255,75,.12);color:var(--c-on-dark)}
.channel.is-active{background:var(--c-accent);color:var(--c-accent-ink);font-weight:700}
@media(max-width:639px){.nav-channels{height:48px}}

/* ============ HERO ============ */
.hero{
  position:relative;overflow:hidden;
  background:var(--c-brand);color:var(--c-on-dark);
  padding:clamp(40px,6vw,72px) 0 clamp(48px,7vw,80px);
}
.hero::before{
  content:"";position:absolute;right:-160px;bottom:-220px;
  width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(216,255,75,.18);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:0;top:0;right:0;bottom:0;
  background-image:radial-gradient(rgba(234,242,236,.07) 1px,transparent 1px);
  background-size:6px 6px;
  opacity:.5;pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.hero-grid{
  display:grid;grid-template-columns:1fr;gap:40px;align-items:center;
}
@media(min-width:1024px){
  .hero-grid{grid-template-columns:minmax(0,1.06fr) minmax(0,1fr);gap:56px}
}
.badge-live{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(216,255,75,.1);
  border:1px solid rgba(216,255,75,.28);
  font-size:12.5px;letter-spacing:.04em;color:var(--c-on-dark);
}
.badge-live i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:block}
.hero h1{
  font-size:clamp(2rem,4.6vw,3.4rem);
  font-weight:800;line-height:1.14;letter-spacing:-.02em;
  margin:20px 0 18px;
  color:#fff;
}
.hero h1 em{font-style:normal;color:var(--c-accent);display:inline-block}
.hero-lead{
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.85;color:var(--c-on-dark-2);max-width:36em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-trust{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;
  margin-top:26px;font-size:13px;color:var(--c-on-dark-2);
  font-family:var(--font-num);letter-spacing:.04em;
}
.hero-trust span{display:inline-flex;align-items:center;gap:8px}
.hero-trust span::after{content:"·";color:rgba(157,179,167,.6)}
.hero-trust span:last-child::after{content:""}
.hero-visual{position:relative}
.hero-frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  transform:rotate(-2deg);
  box-shadow:0 26px 60px rgba(4,12,8,.45);
  border:1px solid rgba(234,242,236,.16);
  background:var(--c-brand-600);
  aspect-ratio:4/3.4;
}
.hero-frame img{width:100%;height:100%;object-fit:cover}
.hero-frame::after{
  content:"";position:absolute;left:6%;right:6%;bottom:-14px;height:28px;
  border-radius:50%;
  border-bottom:1px solid rgba(216,255,75,.5);
  filter:blur(.4px);
}
.hero-float{
  position:absolute;left:-8px;bottom:22px;
  background:var(--c-paper);color:var(--c-text);
  border-radius:var(--r-md);padding:10px 16px;
  box-shadow:var(--sh-2);font-size:12.5px;
  display:flex;align-items:center;gap:10px;
  transform:rotate(0deg);
}
.hero-float b{font-family:var(--font-num);font-size:17px;color:var(--c-brand);letter-spacing:.03em}

/* ============ SECTION ============ */
.sec{padding:var(--sec-y) 0}
.sec-tight{padding:clamp(40px,5vw,64px) 0}
.sec-dark{background:var(--c-brand);color:var(--c-on-dark)}
.sec-paper{background:var(--c-paper)}
.sec-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px 24px;margin-bottom:36px;
}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;
  letter-spacing:.1em;color:var(--c-brand-300);margin-bottom:10px;
}
.sec-dark .eyebrow{color:var(--c-accent)}
.sec-head h2{
  font-size:clamp(1.5rem,3vw,2.15rem);
  font-weight:800;line-height:1.22;letter-spacing:-.015em;
}
.sec-head p{font-size:14.5px;color:var(--c-text-2);margin-top:10px;max-width:44em}
.sec-dark .sec-head p{color:var(--c-on-dark-2)}
.link-more{
  font-size:14px;font-weight:700;color:var(--c-brand-300);
  display:inline-flex;align-items:center;gap:6px;
  border-bottom:2px solid transparent;padding-bottom:2px;
  transition:border-color .22s ease,color .22s ease;
}
.link-more:hover{color:var(--c-brand);border-color:var(--c-accent)}
.sec-dark .link-more{color:var(--c-accent)}
.sec-dark .link-more:hover{color:#E4FF6E}

/* ============ VALUE ============ */
.value-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:900px){.value-grid{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:24px}}
.value-main{
  background:var(--c-paper);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .24s ease,box-shadow .24s ease,transform .24s cubic-bezier(.22,.61,.36,1);
}
.value-main:hover{border-color:var(--c-brand-300);box-shadow:var(--sh-2);transform:translateY(-3px)}
.value-main figure{margin:0;aspect-ratio:16/9;overflow:hidden;background:var(--c-brand)}
.value-main figure img{width:100%;height:100%;object-fit:cover}
.value-main .value-body{padding:24px 26px 28px}
.value-side{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:640px) and (max-width:899px){.value-side{grid-template-columns:1fr 1fr}}
.value-card{
  background:var(--c-paper);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px 24px 26px;
  transition:border-color .24s ease,box-shadow .24s ease,transform .24s cubic-bezier(.22,.61,.36,1);
}
.value-card:hover{border-color:var(--c-brand-300);box-shadow:var(--sh-2);transform:translateY(-3px)}
.icon-chip{
  width:44px;height:44px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(216,255,75,.24);color:var(--c-brand);
  font-family:var(--font-num);font-size:19px;font-weight:700;
  margin-bottom:16px;
}
.value-main h3,.value-card h3{
  font-size:clamp(1.15rem,1.8vw,1.38rem);font-weight:700;line-height:1.4;margin-bottom:10px;
}
.value-main p,.value-card p{font-size:14.5px;color:var(--c-text-2);line-height:1.85}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:var(--r-pill);
  font-size:12.5px;color:var(--c-brand);
  background:rgba(46,132,97,.08);
  border:1px solid rgba(46,132,97,.22);
  white-space:nowrap;
}
.chip-clay{color:#A63D1D;background:rgba(228,103,63,.1);border-color:rgba(228,103,63,.3)}

/* ============ FEATURE SLIDER ============ */
.feature-layout{display:grid;grid-template-columns:1fr;gap:28px}
@media(min-width:1024px){.feature-layout{grid-template-columns:280px minmax(0,1fr);gap:40px}}
.feature-nav{display:flex;flex-direction:row;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
.feature-nav::-webkit-scrollbar{display:none}
@media(min-width:1024px){.feature-nav{flex-direction:column;overflow:visible;padding-bottom:0}}
.feature-tab{
  flex:0 0 auto;
  display:flex;align-items:center;gap:12px;
  padding:14px 20px;border-radius:var(--r-md);
  background:var(--c-paper);
  border:1px solid var(--c-line);
  color:var(--c-text-2);
  font-size:14.5px;font-weight:600;text-align:left;
  cursor:pointer;transition:all .24s cubic-bezier(.22,.61,.36,1);
  white-space:nowrap;
}
@media(min-width:1024px){.feature-tab{white-space:normal;width:100%}}
.feature-tab .idx{font-family:var(--font-num);font-size:15px;color:var(--c-brand-300)}
.feature-tab:hover{border-color:var(--c-brand-300);color:var(--c-text)}
.feature-tab.is-active{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-accent-ink);font-weight:700}
.feature-tab.is-active .idx{color:var(--c-accent-ink)}
.feature-stage{position:relative}
.feature-panel{display:none;animation:slideIn .34s cubic-bezier(.22,.61,.36,1)}
.feature-panel.is-active{display:block}
@keyframes slideIn{from{opacity:0;transform:translateX(22px)}to{opacity:1;transform:translateX(0)}}
.device-frame{
  background:var(--c-brand);border:8px solid var(--c-brand);
  border-radius:24px;overflow:hidden;
  box-shadow:var(--sh-2);
}
.device-frame img{width:100%;aspect-ratio:16/10;object-fit:cover}
.feature-caption{
  display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;
  margin-top:16px;font-size:13.5px;color:var(--c-text-2);
}
.feature-dots{display:flex;gap:8px;margin-top:18px}
.feature-dots button{
  width:8px;height:8px;border-radius:var(--r-pill);border:0;
  background:var(--c-line);cursor:pointer;padding:0;
  transition:width .24s ease,background .24s ease;
}
.feature-dots button.is-active{width:28px;background:var(--c-brand-300)}

/* ============ SPEC GRID ============ */
.spec-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.spec-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.spec-grid{grid-template-columns:repeat(4,1fr)}}
.spec-card{
  background:var(--c-paper);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px 22px;display:flex;flex-direction:column;
  transition:border-color .24s ease,transform .24s ease,box-shadow .24s ease;
}
.spec-card:hover{border-color:var(--c-brand-300);transform:translateY(-3px);box-shadow:var(--sh-1)}
.spec-card h3{font-size:17px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.spec-card h3 .dot{width:9px;height:9px;border-radius:50%;background:var(--c-clay);display:inline-block}
.spec-line{
  display:flex;justify-content:space-between;gap:12px;
  font-size:13.5px;padding:8px 0;border-bottom:1px dashed var(--c-line);
}
.spec-line:last-of-type{border-bottom:0}
.spec-line span:first-child{color:var(--c-text-2)}
.spec-line span:last-child{font-family:var(--font-num);font-size:15px;color:var(--c-text);letter-spacing:.02em}
.spec-card .link-more{margin-top:14px;font-size:13.5px}

/* ============ REVIEWS ============ */
.review-band{
  overflow:hidden;border-radius:var(--r-pill);
  border:1px solid rgba(234,242,236,.16);
  background:rgba(234,242,236,.05);
  padding:10px 0;margin-bottom:34px;
}
.review-track{display:flex;gap:44px;width:max-content;animation:marquee 34s linear infinite}
.review-band:hover .review-track{animation-play-state:paused}
.review-track span{font-size:13.5px;color:var(--c-on-dark-2);white-space:nowrap}
.review-track span b{color:var(--c-accent);font-family:var(--font-num);font-size:15px;font-weight:600;margin-right:6px}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.review-grid{columns:1;column-gap:24px}
@media(min-width:640px){.review-grid{columns:2}}
@media(min-width:1024px){.review-grid{columns:3}}
.review-card{
  break-inside:avoid;
  background:var(--c-brand-600);
  border:1px solid rgba(234,242,236,.14);
  border-radius:var(--r-lg);
  padding:22px;margin-bottom:24px;
  transition:border-color .24s ease,transform .24s ease;
}
.review-card:hover{border-color:rgba(216,255,75,.55);transform:translateY(-3px)}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.avatar{
  width:44px;height:44px;border-radius:50%;flex:0 0 44px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-accent);color:var(--c-accent-ink);
  font-weight:800;font-size:16px;
}
.review-name{font-size:14.5px;font-weight:700;color:#fff}
.review-meta{font-size:12px;color:var(--c-on-dark-2);display:flex;gap:8px;flex-wrap:wrap;margin-top:2px}
.review-meta .mini{
  border:1px solid rgba(234,242,236,.24);
  border-radius:var(--r-pill);padding:1px 8px;font-size:11.5px;
}
.stars{color:var(--c-clay);font-size:13px;letter-spacing:2px;margin-bottom:8px}
.review-card p{font-size:14.5px;line-height:1.85;color:var(--c-on-dark)}
.review-time{margin-top:14px;font-size:12px;color:var(--c-on-dark-2);font-family:var(--font-num);letter-spacing:.04em}

/* ============ DOWNLOAD ============ */
.dl-panel{
  background:var(--c-brand-600);
  border:1px solid rgba(234,242,236,.14);
  border-radius:var(--r-lg);
  padding:clamp(24px,4vw,40px);
}
.dl-grid{display:grid;grid-template-columns:1fr;gap:28px}
@media(min-width:1024px){.dl-grid{grid-template-columns:minmax(0,1fr) 180px;gap:36px}}
.dl-buttons{display:grid;grid-template-columns:1fr;gap:14px;margin-top:24px}
@media(min-width:640px){.dl-buttons{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.dl-buttons{grid-template-columns:repeat(2,1fr)}}
.dl-btn{
  display:flex;align-items:center;gap:14px;
  padding:16px 20px;border-radius:var(--r-md);
  border:1.5px solid rgba(234,242,236,.28);
  background:transparent;color:var(--c-on-dark);
  transition:all .24s cubic-bezier(.22,.61,.36,1);
}
.dl-btn:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-2px)}
.dl-btn.is-main{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-accent-ink)}
.dl-btn.is-main:hover{background:#E4FF6E;color:var(--c-accent-ink)}
.dl-btn .dl-os{font-size:15px;font-weight:700;display:block}
.dl-btn .dl-spec{font-size:12px;opacity:.72;font-family:var(--font-num);letter-spacing:.04em}
.dl-btn .arrow{margin-left:auto;font-family:var(--font-num);font-size:18px}
.qr-card{text-align:center}
.qr-box{
  width:132px;height:132px;margin:0 auto;
  background:#fff;border-radius:var(--r-md);
  display:grid;grid-template-columns:repeat(7,1fr);grid-template-rows:repeat(7,1fr);
  gap:3px;padding:10px;
}
.qr-box i{background:var(--c-ink);border-radius:1px;display:block}
.qr-box i.q0{background:transparent}
.qr-card p{font-size:12.5px;color:var(--c-on-dark-2);margin-top:12px}
.dl-foot{
  margin-top:26px;padding-top:18px;
  border-top:1px solid rgba(234,242,236,.14);
  font-size:12.5px;color:var(--c-on-dark-2);font-family:var(--font-num);letter-spacing:.04em;
  display:flex;flex-wrap:wrap;gap:8px 20px;
}

/* ============ NEWS / CMS ============ */
.news-layout{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:1024px){.news-layout{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:28px}}
.news-lead{
  display:flex;flex-direction:column;
  background:var(--c-paper);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;height:100%;
  transition:border-color .24s ease,box-shadow .24s ease,transform .24s cubic-bezier(.22,.61,.36,1);
}
.news-lead:hover{border-color:var(--c-brand-300);box-shadow:var(--sh-2);transform:translateY(-3px);color:inherit}
.news-lead figure{margin:0;aspect-ratio:16/10;overflow:hidden;background:var(--c-brand)}
.news-lead figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1)}
.news-lead:hover figure img{transform:scale(1.04)}
.news-lead-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-lead h3{font-size:clamp(1.1rem,1.8vw,1.34rem);font-weight:700;line-height:1.45;color:var(--c-text)}
.news-lead:hover h3{color:var(--c-brand)}
.news-lead p{font-size:14px;color:var(--c-text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.badge-cat{
  align-self:flex-start;
  display:inline-flex;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;
  border:1px solid rgba(228,103,63,.34);color:#A63D1D;background:rgba(228,103,63,.08);
}
.news-time{font-size:12.5px;color:var(--c-text-2);font-family:var(--font-num);letter-spacing:.05em}
.news-list{
  background:var(--c-paper);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:8px 22px;display:flex;flex-direction:column;justify-content:center;
}
.news-item{
  display:flex;gap:14px;align-items:center;
  padding:14px 0 14px 12px;border-bottom:1px solid var(--c-line);
  position:relative;color:var(--c-text);
  transition:color .22s ease;
}
.news-item:last-child{border-bottom:0}
.news-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--c-accent);border-radius:2px;
  opacity:0;transition:opacity .22s ease;
}
.news-item:hover::before{opacity:1}
.news-item:hover{color:var(--c-brand)}
.news-thumb{
  width:82px;height:62px;flex:0 0 82px;border-radius:8px;overflow:hidden;background:var(--c-brand);
}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-item-body{min-width:0;flex:1}
.news-item-title{
  font-size:14.5px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.news-item-sub{display:flex;gap:10px;align-items:center;margin-top:4px;font-size:12px;color:var(--c-text-2)}
.news-empty{
  border:1.5px dashed var(--c-line);border-radius:var(--r-lg);
  min-height:200px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:12px;
  text-align:center;padding:30px;background:var(--c-paper);
}
.news-empty .ico{
  width:46px;height:46px;border-radius:50%;
  border:2px solid var(--c-brand-300);position:relative;
}
.news-empty .ico::after{
  content:"";position:absolute;inset:13px;border-radius:50%;background:var(--c-brand-300);
}
.news-empty p{font-size:14.5px;color:var(--c-text-2)}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:1024px){.faq-wrap{grid-template-columns:1fr 1fr;gap:16px;align-items:start}}
.faq-item{
  background:var(--c-paper);border:1px solid var(--c-line);
  border-radius:var(--r-md);overflow:hidden;
  position:relative;transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item:hover{border-color:var(--c-brand-300)}
.faq-item.is-open{border-color:var(--c-brand-300);box-shadow:var(--sh-1)}
.faq-item.is-open::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-accent);
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;cursor:pointer;
  font-size:15.5px;font-weight:700;color:var(--c-text);text-align:left;line-height:1.55;
}
.faq-mark{
  width:26px;height:26px;flex:0 0 26px;border-radius:50%;
  background:var(--c-accent);color:var(--c-accent-ink);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;line-height:1;
  transition:transform .24s ease;
}
.faq-item.is-open .faq-mark{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .28s cubic-bezier(.22,.61,.36,1);
}
.faq-a-inner{padding:0 22px 20px;font-size:14.5px;line-height:1.9;color:var(--c-text-2)}

/* ============ CTA STRIP ============ */
.cta-strip{
  background:var(--c-brand);color:var(--c-on-dark);
  border-radius:var(--r-lg);
  padding:clamp(26px,4vw,40px);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  position:relative;overflow:hidden;
}
.cta-strip::after{
  content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;
  border-radius:50%;border:1px solid rgba(216,255,75,.2);
}
.cta-strip h2{font-size:clamp(1.3rem,2.4vw,1.75rem);font-weight:800;line-height:1.35}
.cta-strip p{font-size:14px;color:var(--c-on-dark-2);margin-top:8px}
.cta-strip .cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2}

/* ============ FOOTER ============ */
.site-footer{background:var(--c-ink);color:var(--c-on-dark-2);padding:clamp(44px,6vw,72px) 0 0;margin-top:0}
.footer-mark{width:60px;height:3px;background:var(--c-accent);border-radius:2px;margin-bottom:32px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr 1fr;gap:32px}}
.footer-brand .brand-name{color:#fff;font-size:17px}
.footer-brand .brand-sub{color:var(--c-on-dark-2)}
.footer-brand p{font-size:13.5px;line-height:1.85;margin-top:16px;max-width:30em}
.socials{display:flex;gap:10px;margin-top:18px}
.socials a{
  width:36px;height:36px;border-radius:50%;
  border:1px solid rgba(234,242,236,.24);
  display:flex;align-items:center;justify-content:center;
  font-size:12.5px;color:var(--c-on-dark-2);
  transition:all .22s ease;
}
.socials a:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:700;color:var(--c-on-dark);margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{
  font-size:13.5px;color:var(--c-on-dark-2);
  padding-left:0;position:relative;transition:all .22s ease;
}
.footer-col a:hover{color:var(--c-accent);padding-left:10px}
.footer-col a:hover::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:13px;background:var(--c-accent);border-radius:2px;
}
.footer-col address{font-style:normal;font-size:13.5px;line-height:2}
.footer-qr{display:flex;flex-direction:column;gap:12px}
.footer-qr .qr-box{border-radius:var(--r-sm);width:100px;height:100px;padding:8px;gap:2px}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(234,242,236,.12);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;
  font-size:12.5px;color:rgba(157,179,167,.9);
}
.footer-bottom a{color:rgba(157,179,167,.9)}
.footer-bottom a:hover{color:var(--c-accent)}
.to-top{
  position:fixed;right:18px;bottom:18px;z-index:70;
  width:44px;height:44px;border-radius:50%;
  background:var(--c-brand);color:var(--c-accent);
  border:1px solid rgba(216,255,75,.4);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;cursor:pointer;
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .26s ease,transform .26s ease,background .22s ease;
}
.to-top.is-show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{background:var(--c-brand-600)}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .review-track{animation:none}
}

/* roulang page: article */
:root{
  --c-ink:#08160F;
  --c-brand:#0E3B2B;
  --c-brand-600:#14543C;
  --c-brand-300:#2E8461;
  --c-accent:#D8FF4B;
  --c-accent-soft:#E4FF6E;
  --c-accent-ink:#0E3B2B;
  --c-clay:#E4673F;
  --c-mist:#F6F5F0;
  --c-paper:#FFFFFF;
  --c-line:#DEE3DA;
  --c-text:#10221A;
  --c-text-2:#56655D;
  --c-on-dark:#EAF2EC;
  --c-on-dark-2:#9DB3A7;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","DIN Alternate","Arial Narrow",sans-serif;
  --wrap:1200px;
  --wrap-wide:1320px;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(8,22,15,.06),0 8px 24px rgba(8,22,15,.07);
  --sh-2:0 14px 34px rgba(8,22,15,.13);
  --sec-y:clamp(44px,6vw,76px);
  --nav-h:120px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-mist);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-brand);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--c-brand-300)}
button{font-family:inherit}
input,button{font-size:16px}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 48px}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--c-brand);
  border-bottom:1px solid rgba(234,242,236,.12);
  color:var(--c-on-dark);
}
.site-header .container{max-width:var(--wrap-wide)}
.nav-top{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:68px;
  padding:10px 0;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:50%;
  border:2px solid var(--c-accent);
  position:relative;flex:0 0 auto;
}
.brand-mark::before,.brand-mark::after{
  content:"";position:absolute;border-radius:50%;border:1.5px solid var(--c-accent);
  opacity:.55;
}
.brand-mark::before{inset:6px 0}
.brand-mark::after{inset:0 6px;border-radius:50%;border-left-color:transparent;border-right-color:transparent}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--c-on-dark)}
.brand-sub{font-size:11px;letter-spacing:.06em;color:var(--c-on-dark-2);margin-top:3px}
.nav-search{flex:1 1 auto;max-width:440px;margin-left:12px}
.nav-search form{
  display:flex;align-items:center;
  background:rgba(234,242,236,.08);
  border:1px solid rgba(234,242,236,.16);
  border-radius:var(--r-pill);
  padding:3px 3px 3px 16px;
  transition:border-color .22s ease,background .22s ease;
}
.nav-search form:focus-within{border-color:var(--c-accent);background:rgba(234,242,236,.12)}
.nav-search input{
  flex:1 1 auto;background:transparent;border:0;color:var(--c-on-dark);
  font-size:13.5px;height:34px;outline:none;min-width:0;
}
.nav-search input::placeholder{color:var(--c-on-dark-2)}
.nav-search button{
  border:0;background:var(--c-accent);color:var(--c-accent-ink);
  font-weight:700;font-size:13px;border-radius:var(--r-pill);
  padding:7px 16px;cursor:pointer;transition:background .22s ease,transform .22s ease;
}
.nav-search button:hover{background:var(--c-accent-soft)}
.nav-actions{display:flex;align-items:center;gap:16px;margin-left:auto;flex:0 0 auto}
.nav-link-quiet{font-size:13.5px;color:var(--c-on-dark-2)}
.nav-link-quiet:hover{color:var(--c-accent)}
.nav-channels-wrap{border-top:1px solid rgba(234,242,236,.1);background:rgba(8,22,15,.22)}
.nav-channels-wrap .container{max-width:var(--wrap-wide)}
.nav-channels{
  display:flex;align-items:center;gap:6px;
  min-height:52px;overflow-x:auto;flex-wrap:nowrap;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav-channels::-webkit-scrollbar{display:none}
.channel{
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  height:34px;padding:0 16px;border-radius:var(--r-pill);
  font-size:13.5px;font-weight:600;color:var(--c-on-dark);
  white-space:nowrap;transition:background .22s ease,color .22s ease;
}
.channel:hover{background:rgba(216,255,75,.12);color:var(--c-on-dark)}
.channel.is-active{background:var(--c-accent);color:var(--c-accent-ink)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);
  font-weight:700;font-size:14.5px;line-height:1;
  border:1.5px solid transparent;cursor:pointer;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-primary{background:var(--c-accent);color:var(--c-accent-ink);border-color:var(--c-accent)}
.btn-primary:hover{background:var(--c-accent-soft);color:var(--c-accent-ink);transform:translateY(-2px);box-shadow:0 10px 24px rgba(8,22,15,.18)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:transparent;color:var(--c-text);border-color:var(--c-line)}
.btn-ghost:hover{border-color:var(--c-brand-300);color:var(--c-brand)}
.btn-ghost-dark{background:transparent;color:var(--c-on-dark);border-color:rgba(234,242,236,.4)}
.btn-ghost-dark:hover{border-color:var(--c-accent);color:var(--c-accent)}
.btn-sm{padding:9px 18px;font-size:13px}

/* ---------- article hero ---------- */
.article-hero{
  background:var(--c-brand);
  color:var(--c-on-dark);
  position:relative;
  overflow:hidden;
  padding:42px 0 46px;
}
.article-hero::after{
  content:"";position:absolute;right:-80px;bottom:-160px;
  width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(216,255,75,.24);pointer-events:none;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12.5px;color:var(--c-on-dark-2);margin-bottom:20px;
}
.breadcrumb a{color:var(--c-on-dark-2)}
.breadcrumb a:hover{color:var(--c-accent)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--c-on-dark);opacity:.85}
.article-hero h1{
  font-size:clamp(1.7rem,3.6vw,2.7rem);
  font-weight:800;line-height:1.22;letter-spacing:-.015em;
  color:var(--c-on-dark);max-width:900px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:22px;font-size:13px;color:var(--c-on-dark-2);
}
.meta-row .badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:var(--r-pill);border:1px solid rgba(216,255,75,.5);
  color:var(--c-accent);font-size:12px;font-weight:600;letter-spacing:.03em;
}
.meta-row .num{font-family:var(--font-num);font-size:14px;letter-spacing:.03em}

/* ---------- article layout ---------- */
.article-section{padding:var(--sec-y) 0}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:44px;
  align-items:start;
}
.article-main{min-width:0}
.card-surface{
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:clamp(24px,3.4vw,44px);
}
.article-body{font-size:16px;line-height:1.9;color:var(--c-text)}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em;color:var(--c-text)}
.article-body h2{
  position:relative;
  margin:40px 0 16px;
  padding-left:16px;
  font-size:clamp(1.25rem,2.4vw,1.6rem);
  font-weight:800;line-height:1.35;letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--c-accent);border-radius:2px;
}
.article-body h3{
  margin:30px 0 12px;font-size:1.15rem;font-weight:700;line-height:1.4;
}
.article-body h4{margin:22px 0 10px;font-size:1rem;font-weight:700}
.article-body a{color:var(--c-brand-300);text-decoration:underline;text-decoration-color:rgba(46,132,97,.4);text-underline-offset:3px}
.article-body a:hover{color:var(--c-brand);text-decoration-color:var(--c-accent)}
.article-body img{
  max-width:100%;height:auto;margin:24px auto;border-radius:var(--r-md);
  box-shadow:var(--sh-1);
}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:12.5px;color:var(--c-text-2);text-align:center;margin-top:10px}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;
  background:var(--c-mist);
  border-left:4px solid var(--c-accent);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--c-text-2);font-style:normal;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:22px}
.article-body ul{list-style:none}
.article-body ul > li{position:relative;padding-left:16px;margin:8px 0}
.article-body ul > li::before{
  content:"";position:absolute;left:0;top:.7em;width:6px;height:6px;
  background:var(--c-accent);border-radius:1px;
}
.article-body ol{list-style:decimal;color:var(--c-text)}
.article-body ol > li{margin:8px 0;padding-left:4px}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;
  font-size:14px;border:1px solid var(--c-line);border-radius:var(--r-sm);overflow:hidden;
}
.article-body table th,.article-body table td{
  border:1px solid var(--c-line);padding:10px 14px;text-align:left;
}
.article-body table th{background:var(--c-mist);font-weight:700}
.article-body table tr:nth-child(even) td{background:rgba(246,245,240,.6)}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0}
.article-body code{
  font-family:"SFMono-Regular",Consolas,monospace;font-size:.9em;
  background:var(--c-mist);padding:2px 7px;border-radius:6px;
}
.article-body pre{
  background:var(--c-ink);color:var(--c-on-dark);
  padding:18px 20px;border-radius:var(--r-md);overflow-x:auto;font-size:13.5px;line-height:1.7;
}

/* empty state */
.empty-state{
  text-align:center;padding:56px 20px;
  border:1.5px dashed var(--c-line);border-radius:var(--r-lg);
  background:var(--c-mist);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  border:2px solid var(--c-brand-300);position:relative;
}
.empty-state .empty-icon::before{
  content:"";position:absolute;left:50%;top:50%;width:24px;height:2px;
  background:var(--c-brand-300);transform:translate(-50%,-50%);
}
.empty-state h3{font-size:1.15rem;font-weight:800;margin-bottom:8px}
.empty-state p{color:var(--c-text-2);font-size:14px;margin-bottom:22px}

/* tag list */
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;padding-top:26px;border-top:1px solid var(--c-line)}
.chip{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--c-mist);
  border:1px solid var(--c-line);font-size:12.5px;color:var(--c-text-2);
  transition:border-color .22s ease,color .22s ease,background .22s ease;
}
.chip:hover{border-color:var(--c-brand-300);color:var(--c-brand);background:var(--c-paper)}

/* prev / next */
.prev-next{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px;
}
.prev-next a{
  display:flex;flex-direction:column;gap:6px;
  background:var(--c-paper);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:18px 20px;
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.prev-next a:hover{border-color:var(--c-brand-300);box-shadow:var(--sh-1);transform:translateY(-2px);color:var(--c-brand)}
.prev-next .pn-label{font-size:12px;color:var(--c-text-2);letter-spacing:.05em}
.prev-next .pn-title{font-size:14.5px;font-weight:700;line-height:1.5;color:var(--c-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.prev-next .next{align-items:flex-end;text-align:right}

/* related */
.related{margin-top:var(--sec-y)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  margin-bottom:22px;flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(1.3rem,2.6vw,1.8rem);font-weight:800;letter-spacing:-.01em;
}
.section-head .link-more{font-size:13.5px;font-weight:600;color:var(--c-brand-300);border-bottom:2px solid var(--c-accent);padding-bottom:2px}
.section-head .link-more:hover{color:var(--c-brand)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.related-card{
  display:flex;flex-direction:column;
  background:var(--c-paper);border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.related-card:hover{border-color:var(--c-brand-300);box-shadow:var(--sh-2);transform:translateY(-3px);color:var(--c-text)}
.related-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-brand)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-card:hover .related-thumb img{transform:scale(1.05)}
.related-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-body h3{
  font-size:14.5px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-body .rc-meta{font-size:12px;color:var(--c-text-2);margin-top:auto;font-family:var(--font-num);letter-spacing:.03em}
.back-row{margin-top:32px;text-align:center}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:calc(var(--nav-h) + 16px);display:flex;flex-direction:column;gap:20px}
.sidebar-card{
  background:var(--c-paper);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);
}
.sidebar-card h3{
  font-size:14px;font-weight:800;letter-spacing:.02em;margin-bottom:14px;
  padding-bottom:12px;border-bottom:1px solid var(--c-line);
}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;font-size:13px;color:var(--c-text-2);line-height:1.5;
  padding:7px 10px;border-left:2px solid transparent;border-radius:0 6px 6px 0;
  transition:color .22s ease,background .22s ease,border-color .22s ease;
}
.toc-list a:hover{color:var(--c-brand);background:var(--c-mist)}
.toc-list a.is-current{border-left-color:var(--c-accent);color:var(--c-text);font-weight:600;background:var(--c-mist)}
.toc-empty{font-size:13px;color:var(--c-text-2)}

.sidebar-cta{
  background:var(--c-accent);color:var(--c-accent-ink);
  border:0;padding:24px 22px;
}
.sidebar-cta h3{
  font-size:15px;font-weight:800;border-bottom:1px solid rgba(14,59,43,.18);
  color:var(--c-accent-ink);margin-bottom:12px;padding-bottom:10px;
}
.sidebar-cta p{font-size:13px;color:var(--c-accent-ink);opacity:.82;line-height:1.7;margin-bottom:16px}
.sidebar-cta .btn{
  width:100%;background:var(--c-brand);color:var(--c-on-dark);
  border-color:var(--c-brand);
}
.sidebar-cta .btn:hover{background:var(--c-ink);color:var(--c-accent);transform:translateY(-2px)}
.sidebar-cta .cta-quiet{
  display:block;text-align:center;margin-top:10px;font-size:12.5px;
  color:var(--c-accent-ink);opacity:.75;text-decoration:underline;
}

.hot-list{display:flex;flex-direction:column}
.hot-list li{border-bottom:1px solid var(--c-line)}
.hot-list li:last-child{border-bottom:0}
.hot-list a{
  display:flex;gap:12px;align-items:flex-start;padding:12px 0 12px 14px;
  position:relative;color:var(--c-text);font-size:13.5px;line-height:1.5;
  transition:color .22s ease;
}
.hot-list a::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;
  background:transparent;border-radius:2px;transition:background .22s ease;
}
.hot-list a:hover{color:var(--c-brand)}
.hot-list a:hover::before{background:var(--c-accent)}
.hot-list .rank{
  flex:0 0 auto;font-family:var(--font-num);font-size:18px;font-weight:600;
  color:var(--c-brand-300);line-height:1.2;width:22px;
}
.hot-list a:hover .rank{color:var(--c-accent-ink);background:var(--c-accent);border-radius:4px;text-align:center}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:var(--c-on-dark);padding:56px 0 24px;position:relative}
.site-footer .container{max-width:var(--wrap-wide)}
.footer-mark{width:60px;height:3px;background:var(--c-accent);border-radius:2px;margin-bottom:34px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr 1fr;
  gap:34px;padding-bottom:34px;border-bottom:1px solid rgba(234,242,236,.12);
}
.footer-brand p{font-size:13px;color:var(--c-on-dark-2);line-height:1.75;margin:16px 0 18px;max-width:300px}
.footer-brand .brand{margin-bottom:0}
.footer-brand .brand-name{color:var(--c-on-dark)}
.socials{display:flex;gap:10px;flex-wrap:wrap}
.socials a{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:var(--r-pill);border:1px solid rgba(234,242,236,.22);
  font-size:12.5px;color:var(--c-on-dark-2);transition:all .22s ease;
}
.socials a:hover{border-color:var(--c-accent);color:var(--c-accent)}
.footer-col h4{font-size:14px;font-weight:700;color:var(--c-on-dark);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:2px}
.footer-col li a{
  display:inline-block;font-size:13.5px;color:var(--c-on-dark-2);line-height:1.7;
  padding:5px 0 5px 0;position:relative;transition:color .22s ease,padding-left .22s ease;
}
.footer-col li a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:0;background:var(--c-accent);border-radius:2px;
  transition:height .22s ease;
}
.footer-col li a:hover{color:var(--c-accent);padding-left:10px}
.footer-col li a:hover::before{height:14px}
.footer-col address{font-style:normal;font-size:13px;color:var(--c-on-dark-2);line-height:1.9}
.footer-qr .qr-box{
  width:120px;height:120px;background:var(--c-paper);border-radius:var(--r-md);
  padding:10px;display:grid;grid-template-columns:repeat(7,1fr);grid-template-rows:repeat(7,1fr);
  gap:2px;margin-bottom:10px;
}
.footer-qr .qr-box i{display:block;background:transparent;border-radius:1px}
.footer-qr .qr-box i.q0{background:var(--c-ink)}
.footer-qr .tip{font-size:12px;color:var(--c-on-dark-2);line-height:1.6}
.footer-qr .btn{margin-top:14px;width:100%;justify-content:center}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px;padding-top:22px;font-size:12.5px;color:var(--c-on-dark-2);
}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom nav a{color:var(--c-on-dark-2)}
.footer-bottom nav a:hover{color:var(--c-accent)}

/* back to top */
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--c-brand);color:var(--c-accent);border:0;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease,background .22s ease;
  cursor:pointer;z-index:90;font-size:18px;box-shadow:var(--sh-2);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--c-ink);color:var(--c-accent-soft)}

/* responsive */
@media (max-width:1023px){
  .container{padding:0 32px}
  .nav-search{max-width:300px;margin-left:0}
  .article-layout{grid-template-columns:1fr;gap:32px}
  .article-side{position:static;top:auto;flex-direction:row;flex-wrap:wrap}
  .sidebar-card{flex:1 1 260px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .nav-top{flex-wrap:wrap;gap:14px;padding:12px 0}
  .nav-search{order:3;flex-basis:100%;max-width:none;margin:0}
  .nav-actions{margin-left:auto}
  .nav-link-quiet{display:none}
  .article-hero{padding:32px 0 36px}
  .prev-next{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-brand p{max-width:none}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{right:16px;bottom:16px;width:40px;height:40px}
}
@media (max-width:519px){
  .article-body{font-size:15.5px}
  .breadcrumb{font-size:12px}
  .meta-row{gap:10px;font-size:12px}
  .card-surface{padding:20px 16px;border-radius:var(--r-md)}
  .sidebar-card{padding:18px 16px}
  .btn{padding:12px 20px}
  .footer-qr .qr-box{width:108px;height:108px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.001ms !important;animation-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --c-ink:#08160F;
  --c-brand:#0E3B2B;
  --c-brand-600:#14543C;
  --c-brand-300:#2E8461;
  --c-accent:#D8FF4B;
  --c-accent-hover:#E4FF6E;
  --c-accent-ink:#0E3B2B;
  --c-clay:#E4673F;
  --c-mist:#F6F5F0;
  --c-paper:#FFFFFF;
  --c-line:#DEE3DA;
  --c-text:#10221A;
  --c-text-2:#56655D;
  --c-on-dark:#EAF2EC;
  --c-on-dark-2:#9DB3A7;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Oswald","Barlow Condensed","DIN Alternate","Arial Narrow",Arial,sans-serif;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(8,22,15,.06),0 8px 24px rgba(8,22,15,.07);
  --sh-2:0 14px 34px rgba(8,22,15,.13);
  --wrap:1200px;
  --sec-y:clamp(56px,8vw,104px);
  --nav-h:120px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease;}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--c-accent);
  outline-offset:2px;
  border-radius:4px;
}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
h1,h2,h3,h4{font-weight:800;line-height:1.2;letter-spacing:-.01em;color:var(--c-text);}
::selection{background:var(--c-accent);color:var(--c-accent-ink);}

/* ---------- 布局容器 ---------- */
.container{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:640px){.container{padding-left:32px;padding-right:32px;}}
@media (min-width:1024px){.container{padding-left:48px;padding-right:48px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  border-radius:var(--r-pill);
  font-weight:700;
  font-size:15px;
  line-height:1.2;
  border:1.5px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:var(--c-accent-ink);font-weight:700;}
.btn-primary:hover{background:var(--c-accent-hover);transform:translateY(-2px);box-shadow:0 12px 26px rgba(8,22,15,.22);}
.btn-primary:active{transform:translateY(0);background:#CCF03F;}
.btn-ghost{background:transparent;color:var(--c-on-dark);border-color:rgba(234,242,236,.45);}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent);}
.btn-ghost:active{transform:scale(.99);}
.btn-outline-dark{background:transparent;color:var(--c-brand);border-color:var(--c-brand-300);}
.btn-outline-dark:hover{background:var(--c-brand);color:var(--c-on-dark);border-color:var(--c-brand);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:700;font-size:14px;color:var(--c-brand);
  border-bottom:2px solid var(--c-accent);
  padding-bottom:2px;
  transition:gap .22s ease,color .22s ease;
}
.btn-link:hover{gap:12px;color:var(--c-brand-300);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:var(--c-brand);
  border-bottom:1px solid rgba(234,242,236,.12);
  transition:box-shadow .24s ease;
}
.site-header.is-compact{box-shadow:0 8px 24px rgba(8,22,15,.28);}
.nav-top{
  display:flex;
  align-items:center;
  gap:18px;
  height:68px;
  transition:height .24s ease;
}
.site-header.is-compact .nav-top{height:56px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:30px;height:30px;
  border-radius:50%;
  border:2px solid var(--c-accent);
  position:relative;
  flex:0 0 auto;
}
.brand-mark::before,
.brand-mark::after{
  content:"";position:absolute;inset:0;border-radius:50%;
  border:1px solid rgba(216,255,75,.55);
}
.brand-mark::before{transform:rotate(0deg) scaleX(.42);}
.brand-mark::after{transform:rotate(90deg) scaleX(.42);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{color:var(--c-on-dark);font-weight:800;font-size:16.5px;letter-spacing:.01em;}
.brand-sub{color:var(--c-on-dark-2);font-size:11px;letter-spacing:.04em;}
.site-header.is-compact .brand-sub{display:none;}
.nav-search{flex:1 1 auto;display:flex;justify-content:center;min-width:0;}
.nav-search form{
  display:flex;align-items:center;
  width:100%;max-width:380px;
  background:rgba(8,22,15,.42);
  border:1px solid rgba(234,242,236,.16);
  border-radius:var(--r-pill);
  padding:4px 4px 4px 16px;
  transition:border-color .22s ease;
}
.nav-search form:focus-within{border-color:var(--c-accent);}
.nav-search input{
  flex:1 1 auto;min-width:0;
  height:34px;border:none;background:transparent;
  color:var(--c-on-dark);font-size:13.5px;font-family:var(--font-cn);
}
.nav-search input::placeholder{color:rgba(157,179,167,.85);}
.nav-search input:focus{outline:none;}
.nav-search button{
  flex:0 0 auto;
  padding:7px 16px;
  border-radius:var(--r-pill);
  background:rgba(216,255,75,.14);
  color:var(--c-accent);
  font-size:13px;font-weight:700;
  transition:background-color .22s ease,color .22s ease;
}
.nav-search button:hover{background:var(--c-accent);color:var(--c-accent-ink);}
.nav-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto;}
.nav-link-quiet{color:var(--c-on-dark-2);font-size:13.5px;font-weight:600;}
.nav-link-quiet:hover{color:var(--c-accent);}
.nav-cta{padding:11px 22px;font-size:14px;}
.nav-channels-wrap{
  background:#0B3224;
  border-top:1px solid rgba(234,242,236,.08);
  border-bottom:1px solid rgba(234,242,236,.12);
}
.nav-channels{
  display:flex;
  align-items:center;
  gap:8px;
  height:52px;
  overflow-x:auto;
  flex-wrap:nowrap;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.nav-channels::-webkit-scrollbar{display:none;}
.channel{
  flex:0 0 auto;
  padding:8px 18px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:600;
  color:var(--c-on-dark);
  transition:background-color .22s ease,color .22s ease;
}
.channel:hover{background:rgba(216,255,75,.14);color:var(--c-accent);}
.channel.is-active{background:var(--c-accent);color:var(--c-accent-ink);font-weight:700;}
.channel.is-active:hover{background:var(--c-accent);color:var(--c-accent-ink);}

/* ---------- 面包屑 ---------- */
.crumbs{
  font-size:12.5px;
  color:var(--c-text-2);
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  align-items:center;
  padding:22px 0 0;
}
.crumbs a{color:var(--c-text-2);}
.crumbs a:hover{color:var(--c-brand-300);}
.crumbs .sep{opacity:.5;}
.crumbs .cur{color:var(--c-text);font-weight:600;}

/* ---------- 页面横幅 ---------- */
.page-hero{
  background:var(--c-mist);
  border-bottom:1px solid var(--c-line);
  padding-bottom:clamp(40px,6vw,72px);
  position:relative;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-140px;bottom:-180px;
  width:420px;height:420px;
  border:1px solid var(--c-brand-300);
  border-radius:50%;
  opacity:.18;
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  align-items:center;
  padding-top:clamp(28px,4vw,48px);
}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:1.15fr .85fr;gap:56px;}
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(46,132,97,.12);
  border:1px solid rgba(46,132,97,.28);
  font-size:12.5px;font-weight:600;color:var(--c-brand);
  letter-spacing:.02em;
  margin-bottom:20px;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--c-brand-300);flex:0 0 auto;}
.page-hero h1{
  font-size:clamp(2rem,4.6vw,3.2rem);
  line-height:1.12;
  letter-spacing:-.02em;
  font-weight:800;
  margin-bottom:18px;
  max-width:16em;
}
.page-hero h1 .hl{
  background:linear-gradient(transparent 62%,rgba(216,255,75,.72) 62%);
  padding:0 2px;
}
.hero-lead{
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-text-2);
  max-width:34em;
  margin-bottom:26px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:10px 20px;
  font-size:13px;color:var(--c-text-2);
}
.hero-facts span{display:inline-flex;align-items:center;gap:7px;}
.hero-facts span::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--c-brand-300);flex:0 0 auto;
}
.hero-figure{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-2);
  transform:rotate(-1.6deg);
  background:var(--c-brand);
}
.hero-figure img{width:100%;aspect-ratio:4/3.2;object-fit:cover;}
.hero-figure figcaption{
  position:absolute;left:14px;bottom:14px;
  background:rgba(8,22,15,.82);
  color:var(--c-on-dark);
  font-size:12.5px;
  padding:7px 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(216,255,75,.32);
}

/* ---------- 数据条 ---------- */
.stats-band{
  background:var(--c-brand);
  color:var(--c-on-dark);
  border-top:1px solid rgba(234,242,236,.1);
  border-bottom:1px solid rgba(234,242,236,.1);
  background-image:radial-gradient(rgba(216,255,75,.10) 1px,transparent 1px);
  background-size:14px 14px;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:8px 20px;
  padding:30px 0;
}
@media (min-width:768px){.stats-grid{grid-template-columns:repeat(4,1fr);padding:38px 0;}}
.stat{padding:8px 0;border-left:2px solid rgba(216,255,75,.35);padding-left:16px;}
.stat-num{
  font-family:var(--font-num);
  font-size:clamp(32px,5vw,46px);
  line-height:1;
  letter-spacing:.01em;
  color:var(--c-accent);
  font-weight:600;
}
.stat-label{font-size:12.5px;color:var(--c-on-dark-2);letter-spacing:.04em;margin-top:8px;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-y) 0;}
.section--mist{background:var(--c-mist);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px;
  margin-bottom:34px;
}
.section-head h2{
  font-size:clamp(1.5rem,3vw,2.15rem);
  letter-spacing:-.018em;
}
.section-head h2 + .sec-note{margin-top:10px;}
.sec-note{font-size:14.5px;color:var(--c-text-2);max-width:44em;line-height:1.8;}

/* ---------- 功能矩阵 ---------- */
.matrix{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media (min-width:768px){.matrix{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.matrix{grid-template-columns:repeat(3,1fr);}}
.fcard{
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  display:flex;
  flex-direction:column;
  gap:12px;
  min-height:100%;
}
.fcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--c-brand-300);}
.fcard--wide{
  grid-column:span 1;
  background:linear-gradient(160deg,var(--c-brand) 0%,var(--c-brand-600) 100%);
  border-color:transparent;
  color:var(--c-on-dark);
  justify-content:space-between;
}
@media (min-width:1024px){.fcard--wide{grid-column:span 2;grid-row:span 2;padding:34px 32px;}}
.fcard--wide h3{color:var(--c-on-dark);font-size:clamp(1.2rem,2vw,1.5rem);}
.fcard--wide p{color:rgba(234,242,236,.82);}
.fcard--wide .fcard-icon{background:rgba(216,255,75,.16);color:var(--c-accent);}
.fcard-icon{
  width:44px;height:44px;
  border-radius:var(--r-md);
  background:rgba(46,132,97,.1);
  color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);
  font-size:18px;
  font-weight:600;
  border:1px solid rgba(46,132,97,.18);
}
.fcard h3{font-size:clamp(1.05rem,1.7vw,1.25rem);}
.fcard p{font-size:14.5px;color:var(--c-text-2);line-height:1.85;}
.fcard-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;}
.fcard--wide .fcard-tags .chip{background:rgba(234,242,236,.1);border-color:rgba(234,242,236,.24);color:var(--c-on-dark);}
.chip{
  display:inline-flex;align-items:center;
  padding:5px 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  border:1px solid var(--c-line);
  background:var(--c-mist);
  color:var(--c-text-2);
  white-space:nowrap;
}
.chip--brand{background:rgba(46,132,97,.1);border-color:rgba(46,132,97,.3);color:var(--c-brand);font-weight:600;}
.chip--clay{background:rgba(228,103,63,.1);border-color:rgba(228,103,63,.32);color:#B4431F;font-weight:600;}

/* ---------- 话题分区卡 ---------- */
.topic-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
}
@media (min-width:700px){.topic-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.topic-grid{grid-template-columns:repeat(3,1fr);}}
.topic-card{
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--c-brand-300);}
.topic-media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:linear-gradient(140deg,var(--c-brand),var(--c-brand-300));
}
.topic-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease;}
.topic-card:hover .topic-media img{transform:scale(1.04);}
.topic-media .badge-cat{
  position:absolute;left:12px;top:12px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;
  background:rgba(8,22,15,.78);
  color:var(--c-accent);
  border:1px solid rgba(216,255,75,.36);
}
.topic-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.topic-body h3{font-size:1.08rem;line-height:1.4;}
.topic-body p{font-size:14px;color:var(--c-text-2);line-height:1.8;}
.topic-meta{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding-top:12px;
  border-top:1px solid var(--c-line);
  font-size:12.5px;
  color:var(--c-text-2);
}
.topic-meta .num{font-family:var(--font-num);font-size:15px;color:var(--c-brand);font-weight:600;letter-spacing:.02em;}

/* ---------- 步骤流程 ---------- */
.steps{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
  counter-reset:step;
}
@media (min-width:640px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);gap:14px;}}
.step{
  position:relative;
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:26px 22px 24px;
  transition:border-color .24s ease,transform .24s ease,box-shadow .24s ease;
}
.step:hover{border-color:var(--c-brand-300);transform:translateY(-3px);box-shadow:var(--sh-1);}
.step-num{
  font-family:var(--font-num);
  font-size:40px;
  line-height:1;
  color:var(--c-brand-300);
  opacity:.45;
  letter-spacing:.02em;
}
.step h3{font-size:1.05rem;margin:10px 0 8px;}
.step p{font-size:14px;color:var(--c-text-2);line-height:1.8;}
.step::after{
  content:"";
  position:absolute;left:0;top:26px;
  width:3px;height:34px;
  background:var(--c-accent);
  border-radius:0 3px 3px 0;
}

/* ---------- 评价墙 ---------- */
.voices{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media (min-width:700px){.voices{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.voices{grid-template-columns:repeat(3,1fr);}}
.voice{
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:24px;
  display:flex;flex-direction:column;gap:14px;
  transition:box-shadow .24s ease,transform .24s ease;
}
.voice:hover{box-shadow:var(--sh-1);transform:translateY(-3px);}
.voice-top{display:flex;align-items:center;gap:12px;}
.avatar{
  width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-brand);
  color:var(--c-accent);
  font-weight:800;font-size:17px;
  flex:0 0 auto;
}
.voice-name{font-weight:700;font-size:15px;}
.voice-device{font-size:12px;color:var(--c-text-2);}
.voice-stars{color:var(--c-clay);font-size:13.5px;letter-spacing:2px;}
.voice p{font-size:14.5px;color:var(--c-text-2);line-height:1.85;}
.voice time{font-size:12.5px;color:#8A968F;font-family:var(--font-num);letter-spacing:.03em;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .24s ease,box-shadow .24s ease;
  position:relative;
}
.faq-item:hover{border-color:var(--c-brand-300);}
.faq-item.is-open{border-color:var(--c-brand-300);box-shadow:var(--sh-1);}
.faq-item.is-open::before{
  content:"";position:absolute;left:0;top:0;bottom:0;
  width:3px;background:var(--c-accent);
}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;
  text-align:left;
  font-size:16px;
  font-weight:700;
  color:var(--c-text);
  line-height:1.5;
}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--c-accent);
  color:var(--c-accent-ink);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;line-height:1;
  transition:transform .24s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .26s cubic-bezier(.22,.61,.36,1);
}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a p{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.9;
  color:var(--c-text-2);
  max-width:62em;
}

/* ---------- 下载 CTA ---------- */
.cta-band{
  background:var(--c-ink);
  color:var(--c-on-dark);
  padding:var(--sec-y) 0;
  position:relative;
  overflow:hidden;
  background-image:radial-gradient(rgba(216,255,75,.10) 1px,transparent 1px);
  background-size:16px 16px;
}
.cta-panel{
  background:var(--c-brand-600);
  border:1px solid rgba(234,242,236,.14);
  border-radius:var(--r-lg);
  padding:clamp(28px,4vw,44px);
  display:grid;
  gap:32px;
  grid-template-columns:1fr;
  align-items:center;
}
@media (min-width:900px){.cta-panel{grid-template-columns:1.55fr .45fr;}}
.cta-panel h2{color:var(--c-on-dark);font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:12px;}
.cta-panel p{color:rgba(234,242,236,.82);font-size:15px;max-width:40em;margin-bottom:26px;}
.dl-grid{display:grid;grid-template-columns:1fr;gap:12px;}
@media (min-width:640px){.dl-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.dl-grid{grid-template-columns:repeat(4,1fr);}}
.dl-item{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 18px;
  border-radius:var(--r-md);
  border:1px solid rgba(234,242,236,.22);
  background:rgba(8,22,15,.24);
  color:var(--c-on-dark);
  transition:border-color .22s ease,background-color .22s ease,transform .22s ease;
}
.dl-item:hover{border-color:var(--c-accent);transform:translateY(-2px);}
.dl-item.is-main{background:var(--c-accent);color:var(--c-accent-ink);border-color:var(--c-accent);}
.dl-item.is-main:hover{background:var(--c-accent-hover);}
.dl-name{font-weight:700;font-size:14.5px;}
.dl-spec{font-family:var(--font-num);font-size:12.5px;letter-spacing:.03em;opacity:.8;}
.dl-arrow{font-size:16px;line-height:1;}
.qr-card{
  background:var(--c-paper);
  border-radius:var(--r-md);
  padding:14px;
  text-align:center;
  justify-self:start;
  width:150px;
}
@media (min-width:900px){.qr-card{justify-self:end;}}
.qr-card .qr-box{margin:0 auto 10px;}
.qr-card span{font-size:12px;color:var(--c-text-2);line-height:1.5;display:block;}
.cta-foot{
  margin-top:22px;
  font-size:12.5px;
  color:rgba(234,242,236,.66);
  display:flex;flex-wrap:wrap;gap:8px 18px;
}
.cta-foot .num{font-family:var(--font-num);letter-spacing:.04em;color:var(--c-accent);}

/* 二维码占位 */
.qr-box{
  width:120px;height:120px;
  display:grid;
  grid-template-columns:repeat(7,1fr);
  grid-template-rows:repeat(7,1fr);
  gap:2px;
  background:var(--c-paper);
  padding:6px;
  border-radius:var(--r-sm);
  border:1px solid var(--c-line);
}
.qr-box i{background:var(--c-brand);border-radius:1px;}
.qr-box i.q0{background:transparent;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-ink);
  color:var(--c-on-dark-2);
  padding:clamp(48px,7vw,80px) 0 0;
  border-top:1px solid rgba(234,242,236,.1);
}
.footer-mark{width:60px;height:3px;background:var(--c-accent);border-radius:2px;margin-bottom:36px;}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  padding-bottom:46px;
}
@media (min-width:700px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr .8fr .8fr 1fr .9fr;gap:32px;}}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:13.5px;line-height:1.85;max-width:32em;color:var(--c-on-dark-2);}
.socials{display:flex;gap:10px;margin-top:18px;}
.socials a{
  width:38px;height:38px;border-radius:50%;
  border:1px solid rgba(234,242,236,.2);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--c-on-dark-2);
  transition:border-color .22s ease,color .22s ease,background-color .22s ease;
}
.socials a:hover{border-color:var(--c-accent);color:var(--c-accent);background:rgba(216,255,75,.08);}
.footer-col h4{font-size:14px;color:var(--c-on-dark);font-weight:700;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  font-size:13.5px;
  color:var(--c-on-dark-2);
  border-left:2px solid transparent;
  padding-left:0;
  transition:color .22s ease,padding-left .22s ease,border-color .22s ease;
}
.footer-col a:hover{color:var(--c-accent);padding-left:8px;border-left-color:var(--c-accent);}
.footer-col address{font-style:normal;font-size:13.5px;line-height:1.9;}
.footer-qr .qr-box{margin-bottom:12px;}
.footer-qr-link{font-size:13px;color:var(--c-accent);border-bottom:1px solid rgba(216,255,75,.4);padding-bottom:2px;}
.footer-bottom{
  border-top:1px solid rgba(234,242,236,.12);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  align-items:center;
  justify-content:space-between;
  font-size:12.5px;
}
.footer-bottom p{color:rgba(157,179,167,.9);}
.footer-bottom ul{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom a{color:rgba(157,179,167,.9);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:20px;bottom:24px;
  width:44px;height:44px;
  border-radius:50%;
  background:var(--c-brand);
  color:var(--c-accent);
  border:1px solid rgba(216,255,75,.4);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
  opacity:0;visibility:hidden;
  transform:translateY(10px);
  transition:opacity .26s ease,transform .26s ease,visibility .26s ease,background-color .22s ease;
  z-index:130;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-brand-600);}

/* ---------- 响应式细节 ---------- */
@media (max-width:1023px){
  .nav-search{display:none;}
}
@media (max-width:767px){
  .nav-link-quiet{display:none;}
  .brand-sub{display:none;}
  .nav-actions{gap:10px;}
  .nav-cta{padding:10px 16px;font-size:13px;}
  .nav-channels{height:48px;padding-right:8px;}
  .channel{padding:7px 15px;font-size:13.5px;}
  .hero-figure{transform:none;}
  .section-head{align-items:flex-start;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:519px){
  .hero-cta .btn{width:100%;}
  .topic-meta{flex-wrap:wrap;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a p{padding:0 18px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --c-ink:#08160F;
  --c-brand:#0E3B2B;
  --c-brand-600:#14543C;
  --c-brand-300:#2E8461;
  --c-accent:#D8FF4B;
  --c-accent-ink:#0E3B2B;
  --c-clay:#E4673F;
  --c-mist:#F6F5F0;
  --c-paper:#FFFFFF;
  --c-line:#DEE3DA;
  --c-text:#10221A;
  --c-text-2:#56655D;
  --c-on-dark:#EAF2EC;
  --c-on-dark-2:#9DB3A7;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Oswald","DIN Alternate","Arial Narrow",Arial,sans-serif;
  --wrap:1200px;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(8,22,15,.06),0 8px 24px rgba(8,22,15,.07);
  --sh-2:0 14px 34px rgba(8,22,15,.13);
  --sec-y:clamp(56px,8vw,104px);
  --nav-h:120px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-mist);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-brand-600);text-decoration:none;transition:color .22s ease,border-color .22s ease,background .22s ease;}
a:hover{color:var(--c-brand-300);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
@media (max-width:640px){.container{padding:0 18px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;line-height:1;
  padding:15px 28px;border-radius:var(--r-pill);
  border:1.5px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  text-align:center;
}
.btn-primary{background:var(--c-accent);color:var(--c-accent-ink);box-shadow:0 8px 20px rgba(216,255,75,.22);}
.btn-primary:hover{background:#E4FF6E;color:var(--c-accent-ink);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{background:transparent;border-color:rgba(234,242,236,.55);color:var(--c-on-dark);}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent);}
.btn-line{background:transparent;border-color:var(--c-brand-300);color:var(--c-brand-600);}
.btn-line:hover{background:var(--c-brand);border-color:var(--c-brand);color:var(--c-on-dark);}
.btn-sm{padding:11px 20px;font-size:13.5px;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--c-brand);
  border-bottom:1px solid rgba(234,242,236,.14);
  transition:box-shadow .24s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(8,22,15,.28);}
.nav-top{
  display:flex;align-items:center;gap:24px;
  height:68px;
  transition:height .24s ease;
}
.site-header.is-scrolled .nav-top{height:58px;}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--c-on-dark);flex:none;}
.brand:hover{color:var(--c-on-dark);}
.brand-mark{
  position:relative;width:32px;height:32px;flex:none;border-radius:50%;
  border:2px solid var(--c-accent);overflow:hidden;
}
.brand-mark::before{content:"";position:absolute;inset:5px;border-radius:50%;border:1px solid rgba(216,255,75,.55);}
.brand-mark::after{content:"";position:absolute;left:50%;top:-10%;width:2px;height:120%;background:rgba(216,255,75,.5);transform:translateX(-50%) rotate(26deg);}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:16.5px;font-weight:800;letter-spacing:.01em;}
.brand-sub{font-size:11px;color:var(--c-on-dark-2);letter-spacing:.06em;transition:opacity .2s ease;}
.site-header.is-scrolled .brand-sub{opacity:0;height:0;overflow:hidden;}
.nav-search{flex:1;max-width:420px;margin-left:auto;}
.nav-search form{display:flex;align-items:center;background:rgba(234,242,236,.1);border:1px solid rgba(234,242,236,.16);border-radius:var(--r-pill);padding:4px 4px 4px 18px;transition:border-color .22s ease,background .22s ease;}
.nav-search form:focus-within{border-color:var(--c-accent);background:rgba(234,242,236,.16);}
.nav-search input[type="search"]{
  flex:1;border:0;background:transparent;color:var(--c-on-dark);
  font-size:14px;height:38px;margin:0;outline:none;box-shadow:none;
}
.nav-search input[type="search"]::placeholder{color:rgba(157,179,167,.85);}
.nav-search button[type="submit"]{
  border:0;background:rgba(234,242,236,.14);color:var(--c-on-dark);
  font-size:13px;font-weight:700;padding:9px 18px;border-radius:var(--r-pill);
  transition:background .22s ease,color .22s ease;
}
.nav-search button[type="submit"]:hover{background:var(--c-accent);color:var(--c-accent-ink);}
.nav-actions{display:flex;align-items:center;gap:18px;flex:none;}
.nav-link-quiet{font-size:13.5px;color:var(--c-on-dark-2);}
.nav-link-quiet:hover{color:var(--c-accent);}
.nav-cta{padding:12px 22px;font-size:14px;}
.nav-channels-wrap{background:rgba(8,22,15,.28);border-top:1px solid rgba(234,242,236,.08);}
.nav-channels{
  display:flex;align-items:center;gap:10px;
  height:52px;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.nav-channels::-webkit-scrollbar{display:none;}
.channel{
  flex:none;font-size:14px;font-weight:600;color:var(--c-on-dark);
  padding:8px 18px;border-radius:var(--r-pill);white-space:nowrap;
  transition:background .22s ease,color .22s ease;
}
.channel:hover{background:rgba(216,255,75,.12);color:var(--c-accent);}
.channel.is-active{background:var(--c-accent);color:var(--c-accent-ink);}
.channel.is-active:hover{background:var(--c-accent);color:var(--c-accent-ink);}
@media (max-width:1023px){
  .nav-search{display:none;}
  .nav-top{height:62px;gap:14px;}
  .nav-link-quiet{display:none;}
}
@media (max-width:640px){
  .brand-name{font-size:15px;}
  .nav-cta{padding:10px 18px;font-size:13px;}
  .nav-channels{height:48px;gap:6px;}
  .channel{padding:7px 14px;font-size:13px;}
}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--c-on-dark-2);}
.crumb a{color:var(--c-on-dark-2);}
.crumb a:hover{color:var(--c-accent);}
.crumb span.sep{opacity:.5;}
.crumb .current{color:var(--c-on-dark);}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--c-brand);
  color:var(--c-on-dark);
  padding:clamp(38px,5vw,62px) 0 clamp(44px,6vw,72px);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.2;
}
.page-hero::after{
  content:"";position:absolute;right:-140px;bottom:-190px;
  width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(216,255,75,.2);
}
.page-hero > .container{position:relative;z-index:2;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(216,255,75,.14);border:1px solid rgba(216,255,75,.34);
  color:var(--c-on-dark);font-size:12.5px;letter-spacing:.04em;
  padding:7px 16px;border-radius:var(--r-pill);margin-bottom:18px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:block;}
.page-hero h1{
  font-size:clamp(2rem,4.4vw,3.2rem);
  font-weight:800;line-height:1.14;letter-spacing:-.02em;
  margin:14px 0 16px;max-width:20ch;
}
.page-hero .hero-lead{
  max-width:56ch;color:var(--c-on-dark-2);font-size:15.5px;line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;
  font-size:13px;color:var(--c-on-dark-2);
}
.hero-facts b{font-family:var(--font-num);font-size:17px;color:var(--c-on-dark);font-weight:600;letter-spacing:.02em;}

/* ---------- 数据条 ---------- */
.stats-band{background:var(--c-ink);color:var(--c-on-dark);padding:0;}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:rgba(234,242,236,.12);
}
.stat-cell{
  background:var(--c-ink);padding:30px 26px;
  display:flex;flex-direction:column;gap:6px;
}
.stat-num{font-family:var(--font-num);font-size:clamp(36px,5vw,54px);line-height:1;font-weight:600;color:var(--c-accent);letter-spacing:.01em;}
.stat-num small{font-size:.42em;color:var(--c-on-dark-2);margin-left:4px;font-family:var(--font-cn);font-weight:600;}
.stat-label{font-size:12.5px;letter-spacing:.06em;color:var(--c-on-dark-2);}
@media (max-width:767px){
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat-cell{padding:22px 18px;}
}

/* ---------- 板块 ---------- */
.section{padding:var(--sec-y) 0;}
.section-mist{background:var(--c-mist);}
.section-paper{background:var(--c-paper);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:28px;}
.sec-head h2{
  font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:800;
  letter-spacing:-.015em;line-height:1.25;
  padding-left:14px;position:relative;
}
.sec-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--c-accent);}
.sec-head p{font-size:14px;color:var(--c-text-2);max-width:52ch;}
.sec-link{font-size:14px;font-weight:700;color:var(--c-brand-600);border-bottom:2px solid var(--c-accent);padding-bottom:2px;}
.sec-link:hover{color:var(--c-brand-300);border-bottom-color:var(--c-brand-300);}

/* ---------- 城市筛选 ---------- */
.chips{display:flex;gap:10px;overflow-x:auto;flex-wrap:nowrap;padding-bottom:6px;margin-bottom:26px;scrollbar-width:none;}
.chips::-webkit-scrollbar{display:none;}
.chip{
  flex:none;font-size:13.5px;font-weight:600;color:var(--c-text-2);
  background:var(--c-paper);border:1px solid var(--c-line);
  padding:9px 18px;border-radius:var(--r-pill);
  transition:all .22s ease;
}
.chip:hover{border-color:var(--c-brand-300);color:var(--c-brand-600);}
.chip.is-active{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-accent-ink);}

/* ---------- 赛程时间轴 ---------- */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:7px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--c-brand-300),rgba(46,132,97,.12));
}
.tl-item{position:relative;margin-bottom:16px;}
.tl-item:last-child{margin-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:30px;width:16px;height:16px;border-radius:50%;
  background:var(--c-paper);border:3px solid var(--c-brand-300);box-sizing:border-box;
}
.tl-item.is-live::before{border-color:var(--c-accent);box-shadow:0 0 0 4px rgba(216,255,75,.22);}
.tl-card{
  display:grid;grid-template-columns:132px 1fr auto;gap:22px;align-items:center;
  background:var(--c-paper);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:20px 24px;transition:border-color .24s ease,transform .24s ease,box-shadow .24s ease;
}
.tl-card:hover{border-color:var(--c-brand-300);transform:translateY(-2px);box-shadow:var(--sh-1);}
.tl-date{border-right:1px solid var(--c-line);padding-right:18px;}
.tl-date b{display:block;font-family:var(--font-num);font-size:30px;line-height:1;font-weight:600;color:var(--c-brand);letter-spacing:.02em;}
.tl-date span{font-size:12.5px;color:var(--c-text-2);letter-spacing:.04em;}
.tl-body h3{font-size:17px;font-weight:700;line-height:1.4;margin-bottom:6px;}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:13px;color:var(--c-text-2);}
.tl-meta i{color:var(--c-brand-300);margin-right:5px;}
.tl-side{display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;
  padding:5px 12px;border-radius:var(--r-pill);white-space:nowrap;
}
.badge-open{background:rgba(216,255,75,.22);color:#3D5A12;border:1px solid rgba(14,59,43,.16);}
.badge-tight{background:rgba(228,103,63,.14);color:#A63B18;border:1px solid rgba(228,103,63,.3);}
.badge-soon{background:var(--c-mist);color:var(--c-text-2);border:1px solid var(--c-line);}
.tl-side .btn{white-space:nowrap;}
@media (max-width:900px){
  .tl-card{grid-template-columns:104px 1fr;gap:16px;}
  .tl-side{grid-column:1 / -1;flex-direction:row;align-items:center;justify-content:space-between;border-top:1px solid var(--c-line);padding-top:14px;}
}
@media (max-width:520px){
  .timeline{padding-left:24px;}
  .tl-item::before{left:-24px;top:26px;width:14px;height:14px;}
  .tl-card{grid-template-columns:1fr;padding:18px;}
  .tl-date{border-right:0;border-bottom:1px solid var(--c-line);padding:0 0 10px;display:flex;align-items:baseline;gap:10px;}
  .tl-date b{font-size:24px;}
}

/* ---------- 参与流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;}
.step{
  background:var(--c-paper);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px 22px;position:relative;transition:border-color .24s ease,transform .24s ease;
}
.step:hover{border-color:var(--c-brand-300);transform:translateY(-3px);}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-family:var(--font-num);font-size:34px;line-height:1;font-weight:600;
  color:var(--c-brand-300);display:block;margin-bottom:12px;
}
.step h3{font-size:16px;font-weight:700;margin-bottom:8px;}
.step p{font-size:13.5px;color:var(--c-text-2);line-height:1.8;}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.steps{grid-template-columns:1fr;}}

/* ---------- 组别列表 ---------- */
.spec-list{border-top:1px solid var(--c-line);}
.spec-row{
  display:grid;grid-template-columns:180px 1fr auto;gap:24px;align-items:center;
  padding:24px 8px;border-bottom:1px solid var(--c-line);
  transition:background .22s ease,padding-left .22s ease;
}
.spec-row:hover{background:var(--c-paper);padding-left:18px;}
.spec-row h3{font-size:17px;font-weight:700;display:flex;align-items:center;gap:10px;}
.spec-row h3 em{
  font-style:normal;font-family:var(--font-num);font-size:13px;color:var(--c-brand-300);
  border:1px solid var(--c-line);border-radius:var(--r-sm);padding:1px 7px;
}
.spec-row p{font-size:14px;color:var(--c-text-2);line-height:1.8;}
.spec-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:12px;color:var(--c-brand-600);background:rgba(46,132,97,.09);
  border:1px solid rgba(46,132,97,.2);border-radius:var(--r-pill);padding:4px 12px;white-space:nowrap;
}
@media (max-width:900px){
  .spec-row{grid-template-columns:1fr;gap:12px;align-items:start;}
}

/* ---------- 图文区块 ---------- */
.media-block{
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.media-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);}
.media-figure img{width:100%;height:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .5s ease;}
.media-figure:hover img{transform:scale(1.03);}
.media-figure figcaption{
  position:absolute;left:16px;bottom:16px;font-size:12.5px;color:var(--c-on-dark);
  background:rgba(8,22,15,.62);padding:6px 14px;border-radius:var(--r-pill);backdrop-filter:blur(2px);
}
.media-text h2{
  font-size:clamp(1.4rem,2.4vw,2rem);font-weight:800;line-height:1.3;margin-bottom:16px;letter-spacing:-.015em;
}
.media-text p{font-size:15px;color:var(--c-text-2);margin-bottom:14px;}
.media-list{margin-top:20px;display:grid;gap:12px;}
.media-list li{display:flex;gap:12px;font-size:14px;color:var(--c-text-2);line-height:1.75;}
.media-list i{color:var(--c-brand-300);margin-top:6px;flex:none;}
@media (max-width:900px){
  .media-block{grid-template-columns:1fr;gap:28px;}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;}
.faq-item{
  background:var(--c-paper);border:1px solid var(--c-line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;transition:border-color .22s ease;
}
.faq-item:hover{border-color:var(--c-brand-300);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 60px 18px 20px;font-size:16px;font-weight:700;line-height:1.6;
  box-shadow:inset 0 0 0 var(--c-accent);transition:box-shadow .24s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;background:var(--c-accent);color:var(--c-accent-ink);
  display:grid;place-items:center;font-size:17px;font-weight:700;line-height:1;
}
.faq-item[open]{border-color:var(--c-brand-300);}
.faq-item[open] summary{box-shadow:inset 3px 0 0 var(--c-accent);}
.faq-item[open] summary::after{content:"−";}
.faq-answer{padding:0 24px 20px;font-size:14.5px;color:var(--c-text-2);line-height:1.9;}

/* ---------- CTA ---------- */
.cta-band{background:var(--c-brand);color:var(--c-on-dark);position:relative;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-160px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(216,255,75,.18);
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:clamp(36px,5vw,56px) 0;
}
.cta-inner h2{font-size:clamp(1.4rem,2.4vw,1.95rem);font-weight:800;line-height:1.3;margin-bottom:8px;}
.cta-inner p{font-size:14px;color:var(--c-on-dark-2);max-width:56ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-note{font-size:12.5px;color:var(--c-on-dark-2);margin-top:16px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:var(--c-on-dark-2);padding:clamp(48px,6vw,72px) 0 0;}
.footer-mark{width:60px;height:3px;background:var(--c-accent);border-radius:2px;margin-bottom:34px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr 1fr;gap:36px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:13.5px;line-height:1.85;max-width:34ch;}
.socials{display:flex;gap:10px;margin-top:18px;}
.socials a{
  font-size:12.5px;color:var(--c-on-dark-2);border:1px solid rgba(234,242,236,.2);
  border-radius:var(--r-pill);padding:6px 14px;transition:all .22s ease;
}
.socials a:hover{color:var(--c-accent);border-color:var(--c-accent);}
.footer-col h4{font-size:14px;font-weight:700;color:var(--c-on-dark);margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:13.5px;color:var(--c-on-dark-2);position:relative;padding-left:0;transition:padding-left .2s ease,color .2s ease;}
.footer-col a:hover{color:var(--c-accent);padding-left:10px;}
.footer-col a:hover::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:2px;height:14px;background:var(--c-accent);}
.footer-col address{font-style:normal;font-size:13.5px;line-height:2;}
.qr-box{
  width:120px;height:120px;background:var(--c-paper);border-radius:var(--r-md);
  display:grid;grid-template-columns:repeat(7,1fr);grid-template-rows:repeat(7,1fr);
  gap:2px;padding:8px;margin-bottom:10px;
}
.qr-box i{background:rgba(8,22,15,.14);border-radius:1px;display:block;}
.qr-box i.q0{background:var(--c-brand);}
.footer-qr .qr-note{font-size:12px;line-height:1.7;}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(234,242,236,.12);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px 24px;
  align-items:center;justify-content:space-between;font-size:12.5px;
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom a{color:var(--c-on-dark-2);}
.footer-bottom a:hover{color:var(--c-accent);}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr;}
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:20px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--c-brand);color:var(--c-accent);border:1px solid rgba(216,255,75,.35);
  display:grid;place-items:center;font-size:16px;
  opacity:0;pointer-events:none;transition:opacity .28s ease,transform .28s ease;
  z-index:70;
}
.to-top.is-visible{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-3px);background:var(--c-brand-600);color:var(--c-accent);}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* roulang page: category3 */
:root{
  --c-ink:#08160F;
  --c-brand:#0E3B2B;
  --c-brand-600:#14543C;
  --c-brand-300:#2E8461;
  --c-accent:#D8FF4B;
  --c-accent-hi:#E4FF6E;
  --c-accent-ink:#0E3B2B;
  --c-clay:#E4673F;
  --c-mist:#F6F5F0;
  --c-paper:#FFFFFF;
  --c-line:#DEE3DA;
  --c-text:#10221A;
  --c-text-2:#56655D;
  --c-on-dark:#EAF2EC;
  --c-on-dark-2:#9DB3A7;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(8,22,15,.06),0 8px 24px rgba(8,22,15,.07);
  --sh-2:0 14px 34px rgba(8,22,15,.13);
  --wrap:1200px;
  --sec-y:clamp(56px,8vw,104px);
  --nav-h:124px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --font-num:"Barlow Condensed","Oswald","DIN Alternate","Arial Narrow",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--nav-h) + 12px);
}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-mist);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.18;letter-spacing:-0.015em;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
svg{display:block;}
:focus-visible{
  outline:2px solid var(--c-brand-300);
  outline-offset:2px;
  border-radius:4px;
}
.site-header :focus-visible,
.page-hero :focus-visible,
.cta-band :focus-visible,
.site-footer :focus-visible{
  outline:2px solid var(--c-accent);
  outline-offset:3px;
}
.container{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:640px){ .container{padding:0 32px;} }
@media (min-width:1024px){ .container{padding:0 40px;} }

/* ================= header ================= */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:var(--c-brand);
  border-bottom:1px solid rgba(234,242,236,.12);
}
.nav-top{
  display:flex;
  align-items:center;
  gap:16px;
  min-height:68px;
  padding:10px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
  min-width:0;
}
.brand-mark{
  position:relative;
  width:30px;
  height:30px;
  border-radius:50%;
  border:2px solid var(--c-accent);
  flex:none;
}
.brand-mark::before{
  content:"";
  position:absolute;
  inset:5px;
  border-radius:50%;
  border:1px solid rgba(216,255,75,.55);
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:50%;
  top:-2px;
  bottom:-2px;
  width:1px;
  background:rgba(216,255,75,.5);
  transform:translateX(-50%) rotate(24deg);
}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-name{
  font-size:15px;
  font-weight:800;
  color:var(--c-on-dark);
  letter-spacing:0.01em;
  white-space:nowrap;
}
.brand-sub{
  font-size:11px;
  line-height:1.5;
  color:var(--c-on-dark-2);
  letter-spacing:0.04em;
  white-space:nowrap;
}
.nav-search{flex:1 1 auto;max-width:400px;margin-left:12px;}
.nav-search form{
  display:flex;
  align-items:center;
  background:rgba(234,242,236,.09);
  border:1px solid rgba(234,242,236,.16);
  border-radius:var(--r-pill);
  padding:3px 3px 3px 16px;
  transition:border-color .22s ease,background-color .22s ease;
}
.nav-search form:focus-within{
  border-color:var(--c-accent);
  background:rgba(234,242,236,.14);
}
.nav-search input[type="search"]{
  flex:1;
  min-width:0;
  height:34px;
  border:0;
  background:transparent;
  color:var(--c-on-dark);
  font-size:14px;
  font-family:inherit;
  outline:none;
  appearance:none;
  margin-bottom:0;
}
.nav-search input[type="search"]::placeholder{color:var(--c-on-dark-2);}
.nav-search button{
  flex:none;
  height:34px;
  padding:0 18px;
  border:0;
  border-radius:var(--r-pill);
  background:var(--c-accent);
  color:var(--c-accent-ink);
  font-size:13px;
  font-weight:700;
  cursor:pointer;
  transition:background-color .2s ease;
}
.nav-search button:hover{background:var(--c-accent-hi);}
.nav-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex:none;
  margin-left:auto;
}
.nav-link-quiet{
  font-size:14px;
  color:var(--c-on-dark-2);
  white-space:nowrap;
  transition:color .2s ease;
}
.nav-link-quiet:hover{color:var(--c-accent);}
.nav-cta{
  padding:10px 22px;
  font-size:14px;
}
.nav-channels-wrap{
  background:rgba(8,22,15,.42);
  border-top:1px solid rgba(234,242,236,.08);
}
.nav-channels{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  padding:8px 0;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.nav-channels::-webkit-scrollbar{display:none;}
.channel{
  flex:none;
  padding:8px 18px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:600;
  color:var(--c-on-dark);
  white-space:nowrap;
  transition:background-color .2s ease,color .2s ease;
}
.channel:hover{background:rgba(216,255,75,.12);color:var(--c-accent);}
.channel.is-active{
  background:var(--c-accent);
  color:var(--c-accent-ink);
}
.channel.is-active:hover{
  background:var(--c-accent-hi);
  color:var(--c-accent-ink);
}
@media (max-width:1023px){
  .nav-search{display:none;}
}
@media (max-width:639px){
  .nav-link-quiet{display:none;}
  .brand-name{font-size:13.5px;}
  .brand-sub{font-size:10px;}
  .nav-cta{padding:9px 16px;font-size:13px;}
  .nav-top{min-height:60px;gap:10px;}
  :root{--nav-h:112px;}
}

/* ================= buttons ================= */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-pill);
  font-weight:700;
  font-size:15px;
  line-height:1.2;
  padding:13px 26px;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .22s ease,background-color .22s ease,border-color .22s ease,box-shadow .22s ease,color .22s ease;
}
.btn-primary{
  background:var(--c-accent);
  color:var(--c-accent-ink);
}
.btn-primary:hover{
  background:var(--c-accent-hi);
  transform:translateY(-2px);
  box-shadow:0 10px 26px rgba(216,255,75,.24);
}
.btn-primary:active{transform:translateY(0);background:#c9ef42;box-shadow:none;}
.btn-ghost{
  background:transparent;
  border-color:rgba(234,242,236,.42);
  color:var(--c-on-dark);
}
.btn-ghost:hover{
  border-color:var(--c-accent);
  color:var(--c-accent);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0);}
.btn-outline{
  background:var(--c-paper);
  border-color:var(--c-line);
  color:var(--c-brand);
}
.btn-outline:hover{
  border-color:var(--c-brand-300);
  background:var(--c-mist);
  transform:translateY(-2px);
  box-shadow:var(--sh-1);
}
.btn-outline:active{transform:translateY(0);box-shadow:none;}
.btn-sm{padding:9px 18px;font-size:13.5px;}
.btn[disabled],.btn.is-disabled{
  background:#c9d0c8;
  color:#7d8a82;
  border-color:#c9d0c8;
  cursor:not-allowed;
  transform:none;
  box-shadow:none;
}

/* ================= hero ================= */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--c-brand);
  color:var(--c-on-dark);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(circle at 1px 1px, rgba(234,242,236,.10) 1px, transparent 0);
  background-size:6px 6px;
  opacity:.55;
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-130px;
  bottom:-200px;
  width:460px;
  height:460px;
  border-radius:50%;
  border:1px solid rgba(216,255,75,.2);
  pointer-events:none;
}
.breadcrumb{
  position:relative;
  z-index:2;
  padding-top:18px;
}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  color:var(--c-on-dark-2);
}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{
  content:"/";
  color:rgba(234,242,236,.35);
}
.breadcrumb a{color:var(--c-on-dark-2);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb li:last-child{color:var(--c-on-dark);}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:48px;
  align-items:center;
  padding:30px 0 58px;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 16px;
  border-radius:var(--r-pill);
  background:rgba(216,255,75,.13);
  border:1px solid rgba(216,255,75,.34);
  color:var(--c-on-dark);
  font-size:12.5px;
  letter-spacing:0.04em;
  margin-bottom:20px;
}
.hero-badge::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--c-accent);
  flex:none;
}
.page-hero h1{
  font-size:clamp(1.85rem,4.2vw,3.15rem);
  line-height:1.14;
  color:#fff;
  margin-bottom:18px;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--c-accent);
}
.hero-sub{
  font-size:clamp(14.5px,1.5vw,16.5px);
  color:var(--c-on-dark-2);
  max-width:560px;
  margin-bottom:28px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:32px;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:30px;
  padding-top:24px;
  border-top:1px solid rgba(234,242,236,.14);
}
.hero-stat{min-width:88px;}
.hero-stat .num{
  font-family:var(--font-num);
  font-size:32px;
  line-height:1;
  font-weight:600;
  color:var(--c-accent);
  letter-spacing:0.01em;
}
.hero-stat .lbl{
  display:block;
  margin-top:8px;
  font-size:12.5px;
  color:var(--c-on-dark-2);
  letter-spacing:0.04em;
}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-lg);
  transform:rotate(-1.6deg);
  box-shadow:0 26px 60px rgba(0,0,0,.42);
}
.hero-float{
  position:absolute;
  left:-14px;
  bottom:20px;
  display:flex;
  align-items:center;
  gap:12px;
  background:var(--c-paper);
  border-radius:var(--r-md);
  padding:12px 18px;
  box-shadow:var(--sh-2);
}
.hero-float .dot{
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--c-clay);
  flex:none;
}
.hero-float b{
  font-family:var(--font-num);
  font-size:22px;
  line-height:1;
  color:var(--c-brand);
  font-weight:600;
}
.hero-float span{
  font-size:12.5px;
  color:var(--c-text-2);
}
@media (max-width:1023px){
  .hero-inner{grid-template-columns:1fr;gap:34px;padding:24px 0 46px;}
  .hero-visual img{transform:none;aspect-ratio:16/9;}
  .hero-float{left:16px;bottom:-16px;}
}
@media (max-width:639px){
  .hero-stats{gap:20px;}
  .hero-stat .num{font-size:26px;}
  .hero-float{padding:10px 14px;}
}

/* ================= sections ================= */
.section{
  padding:var(--sec-y) 0;
  scroll-margin-top:calc(var(--nav-h) + 16px);
}
.section-alt{background:var(--c-paper);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:10px;
}
.section-head h2{
  font-size:clamp(1.45rem,2.8vw,2.1rem);
  color:var(--c-text);
}
.section-eyebrow{
  display:inline-block;
  font-size:12.5px;
  letter-spacing:0.14em;
  color:var(--c-brand-300);
  font-weight:700;
  margin-bottom:10px;
}
.section-intro{
  max-width:720px;
  color:var(--c-text-2);
  font-size:15px;
  margin:0 0 34px;
}
.link-more{
  font-size:14px;
  font-weight:700;
  color:var(--c-brand);
  border-bottom:2px solid var(--c-accent);
  padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease;
}
.link-more:hover{color:var(--c-brand-300);border-color:var(--c-brand-300);}

/* ================= city chips ================= */
.city-chips{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding:2px 0 10px;
  margin-bottom:26px;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.city-chips::-webkit-scrollbar{display:none;}
.chip{
  flex:none;
  padding:8px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:var(--c-paper);
  font-size:14px;
  font-weight:600;
  color:var(--c-text-2);
  white-space:nowrap;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease,transform .2s ease;
}
.chip:hover{
  border-color:var(--c-brand-300);
  color:var(--c-brand);
  transform:translateY(-1px);
}
.chip.is-active{
  background:var(--c-accent);
  border-color:var(--c-accent);
  color:var(--c-accent-ink);
}

/* ================= venue grid ================= */
.venue-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
@media (max-width:1023px){
  .venue-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
}
@media (max-width:639px){
  .venue-grid{grid-template-columns:minmax(0,1fr);}
}
.venue-card{
  display:flex;
  flex-direction:column;
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.venue-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:var(--c-brand-300);
}
.venue-media{
  position:relative;
  aspect-ratio:4/3;
  overflow:hidden;
  background:linear-gradient(140deg,var(--c-brand) 0%,var(--c-brand-600) 100%);
}
.venue-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.venue-card:hover .venue-media img{transform:scale(1.05);}
.venue-score{
  position:absolute;
  top:12px;
  right:12px;
  display:inline-flex;
  align-items:center;
  gap:4px;
  padding:3px 11px;
  border-radius:var(--r-pill);
  background:rgba(8,22,15,.82);
  color:var(--c-accent);
  font-family:var(--font-num);
  font-size:15px;
  line-height:1.5;
  font-weight:600;
}
.venue-flag{
  position:absolute;
  left:12px;
  top:12px;
  padding:3px 11px;
  border-radius:var(--r-sm);
  background:var(--c-clay);
  color:#fff;
  font-size:12px;
  font-weight:700;
  letter-spacing:0.03em;
}
.venue-body{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:20px 20px 22px;
  flex:1;
}
.venue-body h3{
  font-size:1.15rem;
  color:var(--c-text);
}
.venue-addr{
  display:flex;
  align-items:flex-start;
  gap:6px;
  font-size:13.5px;
  color:var(--c-text-2);
  line-height:1.7;
  margin:0;
}
.venue-addr svg{flex:none;margin-top:4px;color:var(--c-brand-300);}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:2px 0 4px;
}
.tag{
  display:inline-block;
  padding:3px 11px;
  border-radius:var(--r-pill);
  background:var(--c-mist);
  border:1px solid var(--c-line);
  font-size:12px;
  color:var(--c-text-2);
  line-height:1.7;
  letter-spacing:0.02em;
}
.venue-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--c-line);
}
.price-ref{
  font-size:12.5px;
  color:var(--c-text-2);
  line-height:1.5;
}
.price-ref b{
  font-family:var(--font-num);
  font-size:22px;
  line-height:1;
  color:var(--c-brand);
  font-weight:600;
  margin-right:2px;
}

/* ================= map placeholder ================= */
.map-slot{
  margin-top:32px;
  border:1px dashed var(--c-line);
  border-radius:var(--r-lg);
  background:
    radial-gradient(circle at 1px 1px, rgba(14,59,43,.12) 1px, transparent 0) 0 0/14px 14px,
    var(--c-mist);
  min-height:180px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:10px;
  text-align:center;
  padding:32px 20px;
}
.map-slot strong{font-size:15px;color:var(--c-brand);}
.map-slot span{font-size:13.5px;color:var(--c-text-2);}

/* ================= feature cards ================= */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
}
@media (max-width:1023px){
  .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:639px){
  .feature-grid{grid-template-columns:minmax(0,1fr);}
}
.feature-card{
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:26px 22px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feature-card:hover{
  transform:translateY(-4px);
  border-color:var(--c-brand-300);
  box-shadow:var(--sh-1);
}
.feature-icon{
  width:44px;
  height:44px;
  border-radius:var(--r-md);
  background:rgba(20,84,60,.08);
  color:var(--c-brand);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:16px;
}
.feature-card h3{
  font-size:1.05rem;
  margin-bottom:8px;
}
.feature-card p{
  font-size:14px;
  color:var(--c-text-2);
  line-height:1.8;
  margin:0;
}

/* ================= steps ================= */
.steps-wrap{
  background:var(--c-brand);
  color:var(--c-on-dark);
  position:relative;
  overflow:hidden;
}
.steps-wrap::after{
  content:"";
  position:absolute;
  left:-160px;
  top:-200px;
  width:420px;
  height:420px;
  border-radius:50%;
  border:1px solid rgba(216,255,75,.16);
  pointer-events:none;
}
.steps-wrap .section-head h2{color:#fff;}
.steps-wrap .section-intro{color:var(--c-on-dark-2);}
.steps{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  counter-reset:step;
}
@media (max-width:1023px){
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:639px){
  .steps{grid-template-columns:minmax(0,1fr);}
}
.step{
  background:var(--c-brand-600);
  border:1px solid rgba(234,242,236,.14);
  border-radius:var(--r-lg);
  padding:24px 22px 26px;
  transition:border-color .25s ease,transform .25s ease,background-color .25s ease;
}
.step:hover{
  border-color:rgba(216,255,75,.5);
  transform:translateY(-4px);
  background:#175e43;
}
.step-num{
  display:block;
  font-family:var(--font-num);
  font-size:40px;
  line-height:1;
  font-weight:600;
  color:var(--c-accent);
  margin-bottom:14px;
}
.step h3{
  font-size:1.05rem;
  color:#fff;
  margin-bottom:8px;
}
.step p{
  font-size:13.8px;
  color:var(--c-on-dark-2);
  line-height:1.8;
  margin:0;
}

/* ================= faq ================= */
.faq-list{max-width:880px;}
.faq-item{
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:var(--c-brand-300);}
.faq-item[open]{
  border-color:var(--c-brand-300);
  box-shadow:var(--sh-1);
}
.faq-item summary{
  position:relative;
  list-style:none;
  cursor:pointer;
  padding:18px 62px 18px 24px;
  font-size:16px;
  font-weight:700;
  color:var(--c-text);
  line-height:1.6;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::marker{content:"";}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:18px;
  top:50%;
  transform:translateY(-50%);
  width:26px;
  height:26px;
  border-radius:50%;
  background:var(--c-accent);
  color:var(--c-accent-ink);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:17px;
  font-weight:800;
  line-height:1;
  transition:background-color .2s ease;
}
.faq-item[open] summary::after{content:"–";}
.faq-item[open] summary::before{
  content:"";
  position:absolute;
  left:0;
  top:16px;
  bottom:16px;
  width:3px;
  border-radius:2px;
  background:var(--c-accent);
}
.faq-item summary:hover{color:var(--c-brand);}
.faq-answer{
  padding:0 24px 20px;
  font-size:15px;
  line-height:1.9;
  color:var(--c-text-2);
}

/* ================= cta band ================= */
.cta-band{
  background:var(--c-ink);
  color:var(--c-on-dark);
  padding:0;
  scroll-margin-top:calc(var(--nav-h) + 16px);
}
.cta-panel{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
  background:var(--c-brand-600);
  border:1px solid rgba(234,242,236,.14);
  border-radius:var(--r-lg);
  padding:40px 40px;
  margin:calc(var(--sec-y) * .55) 0;
}
.cta-panel h2{
  font-size:clamp(1.4rem,2.6vw,2rem);
  color:#fff;
  margin-bottom:10px;
}
.cta-panel p{
  color:var(--c-on-dark-2);
  font-size:14.5px;
  margin:0;
  max-width:620px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  flex:none;
}
@media (max-width:767px){
  .cta-panel{padding:30px 24px;gap:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
}

/* ================= footer ================= */
.site-footer{
  background:var(--c-ink);
  color:var(--c-on-dark-2);
  padding:56px 0 0;
  font-size:14px;
}
.footer-mark{
  width:60px;
  height:3px;
  border-radius:2px;
  background:var(--c-accent);
  margin-bottom:34px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.2fr 1fr;
  gap:32px;
  padding-bottom:44px;
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:639px){
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{
  font-size:13.5px;
  line-height:1.85;
  color:var(--c-on-dark-2);
  max-width:360px;
  margin-bottom:18px;
}
.socials{display:flex;gap:10px;flex-wrap:wrap;}
.socials a{
  display:inline-flex;
  align-items:center;
  padding:6px 16px;
  border-radius:var(--r-pill);
  border:1px solid rgba(234,242,236,.2);
  font-size:12.5px;
  color:var(--c-on-dark-2);
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.socials a:hover{
  border-color:var(--c-accent);
  color:var(--c-accent);
  background:rgba(216,255,75,.08);
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:var(--c-on-dark);
  margin-bottom:16px;
  letter-spacing:0.03em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  position:relative;
  font-size:13.5px;
  color:var(--c-on-dark-2);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col a:hover{color:var(--c-accent);padding-left:8px;}
.footer-col a::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:2px;
  height:0;
  border-radius:2px;
  background:var(--c-accent);
  transition:height .2s ease;
}
.footer-col a:hover::before{height:14px;}
.footer-col address{
  font-style:normal;
  font-size:13.5px;
  line-height:1.9;
  color:var(--c-on-dark-2);
}
.footer-qr .qr-box{
  width:112px;
  height:112px;
  background:#fff;
  border-radius:var(--r-md);
  padding:9px;
  display:grid;
  grid-template-columns:repeat(7,1fr);
  grid-template-rows:repeat(6,1fr);
  gap:2px;
}
.qr-box i{background:#0E3B2B;border-radius:1px;}
.qr-box i.q0{background:transparent;}
.footer-qr p{
  font-size:12px;
  color:var(--c-on-dark-2);
  margin:12px 0 0;
}
.footer-bottom{
  border-top:1px solid rgba(234,242,236,.12);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:12.5px;
  color:rgba(157,179,167,.9);
}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom-links a{transition:color .2s ease;}
.footer-bottom-links a:hover{color:var(--c-accent);}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category4 */
:root{
  --c-ink:#08160F;
  --c-brand:#0E3B2B;
  --c-brand-600:#14543C;
  --c-brand-300:#2E8461;
  --c-accent:#D8FF4B;
  --c-accent-soft:#E4FF6E;
  --c-accent-ink:#0E3B2B;
  --c-clay:#E4673F;
  --c-mist:#F6F5F0;
  --c-paper:#FFFFFF;
  --c-line:#DEE3DA;
  --c-text:#10221A;
  --c-text-2:#56655D;
  --c-on-dark:#EAF2EC;
  --c-on-dark-2:#9DB3A7;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(8,22,15,.06),0 8px 24px rgba(8,22,15,.07);
  --sh-2:0 14px 34px rgba(8,22,15,.13);
  --wrap:1200px;
  --sec-y:clamp(56px,8vw,104px);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","DIN Alternate","Arial Narrow",Arial,sans-serif;
  --nav-h:120px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-mist);
  -webkit-font-smoothing:antialiased;
}
body,button,input,select,textarea{font-family:var(--font-cn)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
h1,h2,h3,h4{font-weight:800;line-height:1.18;letter-spacing:-.01em;color:var(--c-text)}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease}
img{max-width:100%;display:block}
button{font:inherit;border:0;background:none;cursor:pointer}
input,select,textarea{font-size:15px}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--c-accent);
  outline-offset:2px;
  border-radius:var(--r-sm);
}
.on-dark a:focus-visible,.site-footer a:focus-visible,.site-header a:focus-visible{
  outline-color:#EAF2EC;
}
.container{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 20px;
}
.section{padding:var(--sec-y) 0}
.section-head{margin-bottom:28px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.section-head h2{font-size:clamp(1.5rem,3vw,2.25rem);letter-spacing:-.02em}
.section-head p{color:var(--c-text-2);font-size:14px;line-height:1.7;max-width:560px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.04em;color:var(--c-brand-300);
  font-weight:700;text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);border-radius:2px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;
  border:1.5px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-brand);color:var(--c-on-dark);border-color:var(--c-brand)}
.btn-primary:hover{background:var(--c-brand-600);border-color:var(--c-brand-600);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.95)}
.btn-ghost{background:transparent;color:var(--c-text);border-color:rgba(16,34,26,.28)}
.btn-ghost:hover{border-color:var(--c-brand-300);color:var(--c-brand)}
.btn-sm{padding:10px 18px;font-size:14px}
.on-dark .btn-primary,.gear-hero .btn-primary,.cta-band .btn-primary{
  background:var(--c-accent);color:var(--c-accent-ink);border-color:var(--c-accent);
}
.on-dark .btn-primary:hover,.gear-hero .btn-primary:hover,.cta-band .btn-primary:hover{
  background:var(--c-accent-soft);border-color:var(--c-accent-soft);
}
.on-dark .btn-ghost,.gear-hero .btn-ghost,.cta-band .btn-ghost{
  color:var(--c-on-dark);border-color:rgba(234,242,236,.4);
}
.on-dark .btn-ghost:hover,.gear-hero .btn-ghost:hover,.cta-band .btn-ghost:hover{
  border-color:var(--c-accent);color:var(--c-accent);
}
.btn[disabled],.btn.is-disabled{
  background:#C7CEC8;color:#6D7A72;border-color:#C7CEC8;transform:none;box-shadow:none;cursor:not-allowed;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--c-brand);
  border-bottom:1px solid rgba(234,242,236,.12);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 10px 30px rgba(8,22,15,.28)}
.nav-top{
  display:flex;align-items:center;gap:22px;
  height:68px;
  transition:height .25s ease;
}
.site-header.is-stuck .nav-top{height:56px}
.brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:50%;
  border:2px solid var(--c-accent);
  position:relative;flex:0 0 auto;
  background:
    radial-gradient(circle at 50% 50%,rgba(216,255,75,.9) 0 3px,transparent 3px),
    radial-gradient(circle at 50% 18%,rgba(216,255,75,.55) 0 1.6px,transparent 1.6px),
    radial-gradient(circle at 50% 82%,rgba(216,255,75,.55) 0 1.6px,transparent 1.6px),
    radial-gradient(circle at 18% 50%,rgba(216,255,75,.55) 0 1.6px,transparent 1.6px),
    radial-gradient(circle at 82% 50%,rgba(216,255,75,.55) 0 1.6px,transparent 1.6px);
}
.brand-mark::after{
  content:"";position:absolute;inset:6px;border-radius:50%;
  border:1px solid rgba(216,255,75,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:800;color:var(--c-on-dark);letter-spacing:.01em}
.brand-sub{font-size:11px;color:var(--c-on-dark-2);letter-spacing:.04em;transition:opacity .2s ease,max-height .2s ease}
.site-header.is-stuck .brand-sub{opacity:0;max-height:0;overflow:hidden}
.nav-search{flex:1 1 auto;max-width:400px}
.nav-search form{display:flex;align-items:center;background:rgba(8,22,15,.45);border:1px solid rgba(234,242,236,.16);border-radius:var(--r-pill);padding:4px 4px 4px 16px;transition:border-color .22s ease}
.nav-search form:focus-within{border-color:var(--c-accent)}
.nav-search input{
  flex:1 1 auto;background:transparent;border:0;outline:none;
  color:var(--c-on-dark);font-size:14px;height:34px;
}
.nav-search input::placeholder{color:#7E9389}
.nav-search button{
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(216,255,75,.14);color:var(--c-accent);
  font-size:13px;font-weight:700;
  transition:background-color .22s ease,color .22s ease;
}
.nav-search button:hover{background:var(--c-accent);color:var(--c-accent-ink)}
.nav-actions{display:flex;align-items:center;gap:16px;margin-left:auto;flex:0 0 auto}
.nav-link-quiet{font-size:14px;color:var(--c-on-dark-2);white-space:nowrap}
.nav-link-quiet:hover{color:var(--c-accent)}
.nav-cta{padding:11px 22px;font-size:14px}
.nav-channels-wrap{
  background:#0C3325;
  border-top:1px solid rgba(234,242,236,.10);
  position:relative;
}
.nav-channels{
  display:flex;align-items:center;gap:8px;
  padding:8px 0;
  overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;
  -ms-overflow-style:none;
  -webkit-overflow-scrolling:touch;
}
.nav-channels::-webkit-scrollbar{display:none}
.channel{
  flex:0 0 auto;
  padding:8px 17px;border-radius:var(--r-pill);
  font-size:14px;color:var(--c-on-dark);white-space:nowrap;
  transition:background-color .22s ease,color .22s ease;
}
.channel:hover{background:rgba(216,255,75,.12);color:var(--c-accent)}
.channel.is-active{background:var(--c-accent);color:var(--c-accent-ink);font-weight:700}
.channel.is-active:hover{background:var(--c-accent);color:var(--c-accent-ink)}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:12.5px;color:var(--c-on-dark-2);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--c-on-dark-2)}
.breadcrumb a:hover{color:var(--c-accent)}
.breadcrumb span[aria-current]{color:#C9D8D0}
.breadcrumb i{font-size:9px;opacity:.5}

/* ---------- Gear hero ---------- */
.gear-hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 88% 118%,rgba(216,255,75,.16) 0 34%,transparent 34.4%),
    linear-gradient(180deg,#0E3B2B 0%,#0B3123 100%);
  color:var(--c-on-dark);
  padding:clamp(36px,6vw,64px) 0 clamp(40px,6vw,72px);
}
.gear-hero::before{
  content:"";position:absolute;right:-90px;bottom:-120px;
  width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(216,255,75,.18);
  pointer-events:none;
}
.gear-hero h1{
  color:#fff;
  font-size:clamp(2rem,4.6vw,3.35rem);
  line-height:1.12;letter-spacing:-.02em;
  margin:14px 0 0;
}
.gear-hero h1 em{font-style:normal;color:var(--c-accent)}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(216,255,75,.12);
  border:1px solid rgba(216,255,75,.32);
  font-size:12.5px;letter-spacing:.04em;color:#DCEBC6;
}
.hero-badge::before{
  content:"";width:7px;height:7px;border-radius:50%;
  background:var(--c-accent);box-shadow:0 0 0 4px rgba(216,255,75,.16);
}
.gear-hero-grid{
  display:grid;grid-template-columns:1fr;gap:32px;align-items:center;
}
@media(min-width:1024px){
  .gear-hero-grid{grid-template-columns:1.05fr .95fr;gap:48px}
}
.gear-hero-copy p.lead{
  margin-top:18px;color:#C6D6CD;font-size:16px;line-height:1.85;max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:24px;
  font-size:13px;color:var(--c-on-dark-2);
}
.hero-facts li{display:flex;align-items:center;gap:8px}
.hero-facts li i{color:var(--c-accent);font-size:12px}
.hero-facts .num{font-family:var(--font-num);font-size:17px;font-weight:700;color:#EAF2EC;letter-spacing:.02em}
.gear-hero-media{position:relative}
.gear-hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);
  box-shadow:0 22px 48px rgba(0,0,0,.36);
  border:1px solid rgba(234,242,236,.14);
}
.gear-hero-media .float-card{
  position:absolute;left:16px;bottom:-18px;
  background:var(--c-paper);color:var(--c-text);
  border-radius:var(--r-md);padding:12px 16px;
  box-shadow:var(--sh-1);border:1px solid var(--c-line);
  font-size:12.5px;line-height:1.5;
}
.gear-hero-media .float-card strong{display:block;font-family:var(--font-num);font-size:20px;line-height:1.1;color:var(--c-brand)}

/* ---------- Filter chips ---------- */
.filter-bar{
  display:flex;align-items:center;gap:10px;
  overflow-x:auto;scrollbar-width:none;
  padding:6px 0 4px;margin-bottom:28px;
}
.filter-bar::-webkit-scrollbar{display:none}
.chip-filter{
  flex:0 0 auto;
  padding:9px 18px;border-radius:var(--r-pill);
  background:var(--c-paper);border:1px solid var(--c-line);
  font-size:14px;color:var(--c-text-2);font-weight:600;
  transition:all .22s ease;
}
.chip-filter:hover{border-color:var(--c-brand-300);color:var(--c-brand)}
.chip-filter.is-active{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-accent-ink)}

/* ---------- Gear grid ---------- */
.gear-grid{
  display:grid;grid-template-columns:1fr;gap:22px;
}
@media(min-width:640px){.gear-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.gear-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.gear-card{
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.gear-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--c-brand-300)}
.gear-card.is-hidden{display:none}
.gear-media{position:relative;background:#E7EBE4}
.gear-media img{width:100%;aspect-ratio:1/1;object-fit:cover;transition:transform .4s ease}
.gear-card:hover .gear-media img{transform:scale(1.04)}
.badge-new{
  position:absolute;left:14px;top:14px;
  background:var(--c-clay);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:4px 10px;border-radius:var(--r-pill);
}
.badge-param{
  position:absolute;right:14px;bottom:14px;
  background:rgba(8,22,15,.82);color:var(--c-on-dark);
  font-size:12px;padding:4px 10px;border-radius:var(--r-pill);
  font-family:var(--font-num);letter-spacing:.04em;
}
.gear-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.gear-body h3{font-size:1.08rem;line-height:1.45;letter-spacing:0}
.gear-desc{font-size:14px;line-height:1.75;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.gear-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.chip-sm{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-pill);
  background:var(--c-mist);border:1px solid var(--c-line);
  font-size:12px;color:var(--c-text-2);
}
.chip-sm.num{font-family:var(--font-num);font-size:13px;letter-spacing:.03em}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--c-brand);
  border-bottom:2px solid var(--c-accent);padding-bottom:2px;
  align-self:flex-start;margin-top:6px;
  transition:gap .22s ease,color .22s ease;
}
.link-arrow:hover{gap:13px;color:var(--c-brand-300)}
.grid-empty{
  border:1.5px dashed var(--c-line);border-radius:var(--r-lg);
  padding:44px 24px;text-align:center;color:var(--c-text-2);font-size:14px;
  display:none;
}
.grid-empty.is-show{display:block}

/* ---------- Steps ---------- */
.steps-wrap{background:var(--c-paper);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.steps-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:640px){.steps-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.steps-grid{grid-template-columns:repeat(4,1fr);gap:28px}}
.step-card{position:relative;padding-top:8px}
.step-num{
  font-family:var(--font-num);font-size:46px;line-height:1;
  font-weight:700;color:transparent;
  -webkit-text-stroke:1.5px var(--c-brand-300);
  display:block;margin-bottom:12px;
}
.step-card h3{font-size:1.05rem;margin-bottom:8px}
.step-card p{font-size:14px;line-height:1.75;color:var(--c-text-2)}
.step-card::after{
  content:"";position:absolute;left:0;bottom:-14px;
  width:34px;height:3px;border-radius:3px;background:var(--c-accent);
}

/* ---------- Court table ---------- */
.court-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.court-grid{grid-template-columns:repeat(3,1fr)}}
.court-card{
  background:var(--c-paper);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:24px;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.court-card:hover{border-color:var(--c-brand-300);box-shadow:var(--sh-1)}
.court-card h3{display:flex;align-items:center;gap:10px;font-size:1.05rem;margin-bottom:16px}
.court-card h3 i{color:var(--c-clay);font-size:15px}
.court-list li{
  display:flex;justify-content:space-between;gap:12px;
  padding:10px 0;border-bottom:1px dashed var(--c-line);
  font-size:14px;color:var(--c-text-2);
}
.court-list li:last-child{border-bottom:0;padding-bottom:0}
.court-list li span:last-child{font-family:var(--font-num);font-size:15px;letter-spacing:.03em;color:var(--c-text);font-weight:600}

/* ---------- Scene cards ---------- */
.scene-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.scene-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.scene-grid{grid-template-columns:repeat(4,1fr)}}
.scene-card{
  border-radius:var(--r-lg);overflow:hidden;position:relative;
  background:var(--c-brand);color:var(--c-on-dark);
  border:1px solid rgba(234,242,236,.12);
  display:flex;flex-direction:column;
  min-height:240px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.scene-card img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.9}
.scene-card .scene-body{padding:18px 20px 22px}
.scene-card h3{color:#fff;font-size:1.02rem;margin-bottom:8px}
.scene-card p{font-size:13.5px;line-height:1.7;color:var(--c-on-dark-2)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;grid-template-columns:1fr;gap:12px}
@media(min-width:1024px){.faq-list{grid-template-columns:repeat(2,1fr);gap:14px}}
.faq-item{
  background:var(--c-paper);border:1px solid var(--c-line);
  border-radius:var(--r-md);overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:var(--c-brand-300)}
.faq-item[open]{box-shadow:var(--sh-1);border-left:3px solid var(--c-accent)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:15.5px;font-weight:700;color:var(--c-text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;
  width:26px;height:26px;border-radius:50%;
  background:var(--c-accent);color:var(--c-accent-ink);
  font-size:17px;font-weight:700;line-height:26px;text-align:center;
  transition:transform .24s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-answer{padding:0 20px 20px;font-size:14.5px;line-height:1.9;color:var(--c-text-2)}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(180deg,#0E3B2B 0%,#08160F 100%);
  color:var(--c-on-dark);
  position:relative;overflow:hidden;
  padding:clamp(48px,7vw,84px) 0;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-80px;
  width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(216,255,75,.16);pointer-events:none;
}
.cta-panel{
  background:var(--c-brand-600);
  border:1px solid rgba(234,242,236,.12);
  border-radius:var(--r-lg);
  padding:clamp(26px,4vw,44px);
  display:grid;grid-template-columns:1fr;gap:28px;
}
@media(min-width:1024px){.cta-panel{grid-template-columns:1.15fr .85fr;align-items:center;gap:44px}}
.cta-panel h2{color:#fff;font-size:clamp(1.5rem,3vw,2.1rem);letter-spacing:-.02em}
.cta-panel p{margin-top:12px;color:var(--c-on-dark-2);font-size:15px;line-height:1.8;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}
.cta-meta{margin-top:18px;font-size:12.5px;color:var(--c-on-dark-2);letter-spacing:.02em}
.dl-matrix{display:grid;grid-template-columns:1fr;gap:12px}
@media(min-width:640px){.dl-matrix{grid-template-columns:repeat(2,1fr)}}
.dl-item{
  display:flex;align-items:center;gap:14px;
  padding:14px 18px;border-radius:var(--r-md);
  border:1px solid rgba(234,242,236,.22);
  background:rgba(8,22,15,.24);
  color:var(--c-on-dark);
  transition:border-color .22s ease,transform .22s ease,background-color .22s ease;
}
.dl-item:hover{border-color:var(--c-accent);transform:translateY(-2px);background:rgba(8,22,15,.4)}
.dl-item i{font-size:19px;color:var(--c-accent)}
.dl-item .dl-text{display:flex;flex-direction:column;line-height:1.35}
.dl-item .dl-text strong{font-size:14.5px;font-weight:700;color:#fff}
.dl-item .dl-text span{font-family:var(--font-num);font-size:12.5px;letter-spacing:.05em;color:var(--c-on-dark-2)}
.dl-item .fa-arrow-right{margin-left:auto;font-size:13px;color:var(--c-on-dark-2)}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--c-ink);
  color:var(--c-on-dark-2);
  padding:clamp(48px,7vw,76px) 0 0;
  position:relative;
}
.footer-mark{width:60px;height:3px;background:var(--c-accent);border-radius:3px;margin-bottom:36px}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:36px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(234,242,236,.12);
}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr 1fr;gap:32px}}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-name{color:#fff}
.footer-brand p{font-size:13.5px;line-height:1.8;max-width:300px}
.socials{display:flex;gap:10px;margin-top:18px}
.socials a{
  width:38px;height:38px;border-radius:50%;
  border:1px solid rgba(234,242,236,.2);
  display:flex;align-items:center;justify-content:center;
  font-size:11.5px;color:var(--c-on-dark-2);
  transition:all .22s ease;
}
.socials a:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-2px)}
.footer-col h4{
  font-size:14px;font-weight:700;color:#EAF2EC;
  margin-bottom:16px;letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{
  font-size:13.5px;color:var(--c-on-dark-2);
  position:relative;padding-left:0;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col ul a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:0;background:var(--c-accent);border-radius:2px;
  transition:height .2s ease;
}
.footer-col ul a:hover{color:var(--c-accent);padding-left:10px}
.footer-col ul a:hover::before{height:14px}
.footer-col address{font-style:normal;font-size:13.5px;line-height:2}
.qr-box{
  width:120px;height:120px;background:#fff;border-radius:var(--r-md);
  padding:9px;display:grid;grid-template-columns:repeat(7,1fr);grid-template-rows:repeat(7,1fr);gap:2px;
}
.qr-box i{background:#DDE4DA;border-radius:1px}
.qr-box i.q0{background:var(--c-brand)}
.footer-qr p{font-size:12px;margin-top:10px;color:var(--c-on-dark-2)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:22px 0 26px;font-size:12.5px;color:#7E9389;
}
.footer-bottom .quick{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom .quick a:hover{color:var(--c-accent)}

/* ---------- Back to top ---------- */
.to-top{
  position:fixed;right:18px;bottom:22px;z-index:70;
  width:44px;height:44px;border-radius:50%;
  background:var(--c-brand);color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);opacity:0;pointer-events:none;
  transition:opacity .25s ease,transform .25s ease,background-color .22s ease;
}
.to-top.is-show{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--c-brand-600);transform:translateY(-3px)}

/* ---------- Responsive nav ---------- */
@media(max-width:1023px){
  .nav-search{max-width:260px}
  .nav-link-quiet{display:none}
}
@media(max-width:767px){
  :root{--nav-h:108px}
  .nav-top{height:60px;gap:12px}
  .nav-search{display:none}
  .brand-name{font-size:15px}
  .nav-cta{padding:10px 18px;font-size:13px}
  .channel{padding:7px 14px;font-size:13.5px}
  .gear-hero-media .float-card{bottom:12px;left:12px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category5 */
:root{
  --c-ink:#08160F;
  --c-brand:#0E3B2B;
  --c-brand-600:#14543C;
  --c-brand-300:#2E8461;
  --c-accent:#D8FF4B;
  --c-accent-hi:#E4FF6E;
  --c-accent-ink:#0E3B2B;
  --c-clay:#E4673F;
  --c-mist:#F6F5F0;
  --c-paper:#FFFFFF;
  --c-line:#DEE3DA;
  --c-text:#10221A;
  --c-text-2:#56655D;
  --c-on-dark:#EAF2EC;
  --c-on-dark-2:#9DB3A7;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","DIN Alternate","Arial Narrow",system-ui,sans-serif;
  --wrap:1200px;
  --wrap-wide:1320px;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(8,22,15,.06),0 8px 24px rgba(8,22,15,.07);
  --sh-2:0 14px 34px rgba(8,22,15,.13);
  --sec-y:clamp(56px,8vw,104px);
  --nav-h:120px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-mist);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
address{font-style:normal}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
@media(min-width:640px){.container{padding:0 32px}}
@media(min-width:1024px){.container{padding:0 48px}}
.num{font-family:var(--font-num);font-weight:600;letter-spacing:.02em}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:200;
  background:var(--c-brand);
  border-bottom:1px solid rgba(234,242,236,.12);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(8,22,15,.28)}
.nav-top{display:flex;align-items:center;gap:20px;height:68px;transition:height .25s ease}
.site-header.is-scrolled .nav-top{height:56px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  position:relative;display:block;width:32px;height:32px;flex:0 0 auto;
  border-radius:50%;border:2px solid var(--c-accent);
  box-shadow:inset 0 0 0 4px rgba(216,255,75,.10);
}
.brand-mark::before{
  content:"";position:absolute;inset:4px;border-radius:50%;
  border:1px solid rgba(216,255,75,.45);
  clip-path:polygon(0 0,100% 0,100% 55%,0 55%);
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:10px;bottom:10px;width:1.5px;
  transform:translateX(-50%);background:rgba(216,255,75,.6);
}
.brand-name{display:block;font-size:16px;font-weight:800;color:var(--c-on-dark);line-height:1.25;letter-spacing:.01em}
.brand-sub{display:block;font-size:11px;line-height:1.5;color:var(--c-on-dark-2);letter-spacing:.06em}
.nav-search{flex:1 1 auto;max-width:400px;margin:0 auto;min-width:0}
.nav-search form{
  display:flex;align-items:center;gap:6px;
  background:rgba(8,22,15,.45);
  border:1px solid rgba(234,242,236,.16);
  border-radius:var(--r-pill);
  padding:4px 4px 4px 16px;
  transition:border-color .22s ease,background .22s ease;
}
.nav-search form:focus-within{border-color:var(--c-accent);background:rgba(8,22,15,.68)}
.nav-search input[type="search"]{
  flex:1 1 auto;min-width:0;height:34px;margin:0;padding:0;
  background:transparent;border:0;box-shadow:none;color:var(--c-on-dark);font-size:14px;
}
.nav-search input[type="search"]::placeholder{color:rgba(157,179,167,.9)}
.nav-search button{
  flex:0 0 auto;height:34px;padding:0 18px;border:0;cursor:pointer;
  border-radius:var(--r-pill);background:var(--c-accent);color:var(--c-accent-ink);
  font-size:13.5px;font-weight:700;
  transition:background .2s ease,transform .2s ease;
}
.nav-search button:hover{background:var(--c-accent-hi);transform:translateY(-1px)}
.nav-search button:active{transform:translateY(0)}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;margin-left:auto}
.nav-link-quiet{font-size:13.5px;color:var(--c-on-dark-2);transition:color .2s ease}
.nav-link-quiet:hover{color:var(--c-accent)}
.nav-channels-wrap{
  background:rgba(8,22,15,.34);
  border-top:1px solid rgba(234,242,236,.08);
}
.nav-channels{
  display:flex;align-items:center;gap:10px;
  height:52px;overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav-channels::-webkit-scrollbar{display:none}
.channel{
  flex:0 0 auto;
  padding:8px 18px;border-radius:var(--r-pill);
  font-size:14px;color:var(--c-on-dark);
  border:1px solid transparent;white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.channel:hover{background:rgba(216,255,75,.12);color:var(--c-accent)}
.channel:active{background:rgba(216,255,75,.2)}
.channel.is-active{background:var(--c-accent);color:var(--c-accent-ink);font-weight:700;border-color:var(--c-accent)}
.channel.is-active:hover{background:var(--c-accent-hi);color:var(--c-accent-ink)}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;
  border:1.5px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .22s ease,background .22s ease,border-color .22s ease,color .22s ease,box-shadow .22s ease;
}
.btn-primary{background:var(--c-accent);color:var(--c-accent-ink)}
.btn-primary:hover{background:var(--c-accent-hi);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:rgba(234,242,236,.42);color:var(--c-on-dark)}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-line{background:transparent;border-color:var(--c-brand-300);color:var(--c-brand)}
.btn-line:hover{border-color:var(--c-brand);background:rgba(46,132,97,.08);transform:translateY(-2px)}
.btn-line:active{transform:translateY(0)}
.btn-sm{padding:10px 18px;font-size:13.5px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;box-shadow:none}

/* ============ hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--c-brand);
  color:var(--c-on-dark);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.30;
}
.page-hero::after{
  content:"";position:absolute;right:-150px;bottom:-230px;
  width:480px;height:480px;border-radius:50%;
  border:1.5px solid rgba(216,255,75,.20);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:clamp(36px,5.5vw,68px) 0 clamp(44px,6vw,76px);max-width:800px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--c-on-dark-2);margin-bottom:20px}
.crumb a{color:var(--c-on-dark-2);transition:color .2s ease}
.crumb a:hover{color:var(--c-accent)}
.crumb .sep{opacity:.5}
.crumb .current{color:var(--c-accent)}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(216,255,75,.14);
  border:1px solid rgba(216,255,75,.28);
  color:var(--c-on-dark);font-size:12.5px;letter-spacing:.04em;
  margin-bottom:18px;
}
.badge-pill i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:block}
.page-hero h1{
  font-size:clamp(1.85rem,4.4vw,3.1rem);
  font-weight:800;line-height:1.16;letter-spacing:-.02em;
  margin-bottom:16px;
}
.page-hero h1 em{font-style:normal;color:var(--c-accent)}
.hero-lead{font-size:16px;line-height:1.85;color:rgba(234,242,236,.86);max-width:660px;margin-bottom:26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;font-size:13px;color:var(--c-on-dark-2)}
.hero-meta li{display:inline-flex;align-items:center;gap:6px}
.hero-meta li+li::before{content:"·";margin-right:8px;opacity:.55}
.hero-meta .num{color:var(--c-on-dark);font-size:15px}

/* ============ section base ============ */
.section{padding:var(--sec-y) 0}
.section-mist{background:var(--c-mist)}
.section-paper{background:var(--c-paper)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  flex-wrap:wrap;margin-bottom:30px;
}
.section-title{
  position:relative;padding-left:16px;
  font-size:clamp(1.5rem,3vw,2.15rem);font-weight:800;line-height:1.24;letter-spacing:-.01em;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:5px;
  border-radius:3px;background:var(--c-accent);
}
.section-sub{font-size:14px;color:var(--c-text-2);margin-top:8px;padding-left:16px;max-width:640px}
.section-link{font-size:14px;font-weight:700;color:var(--c-brand);border-bottom:2px solid var(--c-accent);padding-bottom:2px;transition:color .2s ease,border-color .2s ease}
.section-link:hover{color:var(--c-brand-600);border-color:var(--c-brand)}

/* ============ steps ============ */
.steps-wrap{
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:28px 18px;
  box-shadow:var(--sh-1);
}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.step{position:relative;text-align:center;padding:0 8px}
.step:not(:last-child)::after{
  content:"";position:absolute;top:20px;left:calc(50% + 28px);right:calc(-50% + 28px);
  height:2px;background:var(--c-line);border-radius:2px;
}
.step-dot{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:50%;
  background:var(--c-mist);border:2px solid var(--c-line);
  font-family:var(--font-num);font-size:18px;font-weight:700;color:var(--c-text-2);
  transition:background .24s ease,border-color .24s ease,color .24s ease,box-shadow .24s ease;
}
.step.is-current .step-dot{
  background:var(--c-accent);border-color:var(--c-accent);color:var(--c-accent-ink);
  box-shadow:0 0 0 6px rgba(216,255,75,.25);
}
.step-label{display:block;margin-top:12px;font-size:15px;font-weight:700}
.step-desc{display:block;margin-top:4px;font-size:12.5px;line-height:1.6;color:var(--c-text-2)}

/* ============ guide rows ============ */
.guide-rows{display:grid;gap:clamp(24px,3.4vw,44px)}
.guide-row{
  display:grid;
  grid-template-columns:96px minmax(0,1fr) minmax(0,340px);
  gap:clamp(20px,3vw,36px);
  align-items:center;
  padding:clamp(20px,2.6vw,30px);
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
}
.guide-row:hover{border-color:var(--c-brand-300);box-shadow:var(--sh-2);transform:translateY(-2px)}
.guide-num{
  font-family:var(--font-num);font-size:clamp(40px,6vw,56px);font-weight:700;
  line-height:1;color:var(--c-brand);letter-spacing:-.02em;
  align-self:start;
}
.guide-copy h3{font-size:clamp(1.15rem,1.9vw,1.4rem);font-weight:800;line-height:1.35;margin-bottom:10px}
.guide-copy p{font-size:15px;line-height:1.9;color:var(--c-text-2)}
.guide-list{margin-top:14px;display:grid;gap:8px}
.guide-list li{
  position:relative;padding-left:18px;font-size:14px;line-height:1.75;color:var(--c-text-2);
}
.guide-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:7px;height:7px;border-radius:2px;background:var(--c-brand-300);
}
.guide-fig{margin:0;overflow:hidden;border-radius:var(--r-md);background:var(--c-brand);aspect-ratio:16/10}
.guide-fig img{width:100%;height:100%;object-fit:cover}
.guide-row:nth-child(even){grid-template-columns:minmax(0,340px) minmax(0,1fr) 96px}
.guide-row:nth-child(even) .guide-fig{grid-column:1;grid-row:1}
.guide-row:nth-child(even) .guide-copy{grid-column:2;grid-row:1}
.guide-row:nth-child(even) .guide-num{grid-column:3;grid-row:1;text-align:right}

/* ============ checklist ============ */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.check-card{
  background:var(--c-paper);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;transition:border-color .24s ease,transform .24s ease,box-shadow .24s ease;
}
.check-card:hover{border-color:var(--c-brand-300);transform:translateY(-3px);box-shadow:var(--sh-2)}
.check-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-md);
  background:rgba(46,132,97,.10);color:var(--c-brand);margin-bottom:16px;
}
.check-card h3{font-size:1.05rem;font-weight:800;margin-bottom:8px}
.check-card p{font-size:14px;line-height:1.85;color:var(--c-text-2)}
.check-tag{
  display:inline-flex;align-items:center;
  margin-top:14px;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--c-mist);border:1px solid var(--c-line);
  font-size:12px;color:var(--c-text-2);letter-spacing:.03em;
}

/* ============ download band ============ */
.download-band{
  position:relative;overflow:hidden;
  background:var(--c-ink);color:var(--c-on-dark);
  padding:var(--sec-y) 0;
}
.download-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(234,242,236,.10) 1px,transparent 1px);
  background-size:6px 6px;opacity:.5;
}
.download-panel{
  position:relative;z-index:2;
  background:var(--c-brand-600);
  border:1px solid rgba(234,242,236,.14);
  border-radius:var(--r-lg);
  padding:clamp(24px,4vw,40px);
}
.dl-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.dl-head h2{font-size:clamp(1.4rem,2.6vw,1.95rem);font-weight:800;line-height:1.28;position:relative;padding-left:16px}
.dl-head h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:5px;border-radius:3px;background:var(--c-accent)}
.dl-head p{font-size:14px;color:var(--c-on-dark-2);margin-top:8px;padding-left:16px}
.dl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:26px}
.dl-card{
  display:flex;align-items:center;gap:12px;
  padding:16px 18px;border-radius:var(--r-md);
  border:1.5px solid rgba(234,242,236,.22);
  background:rgba(8,22,15,.22);
  transition:border-color .22s ease,transform .22s ease,background .22s ease;
}
.dl-card:hover{border-color:var(--c-accent);transform:translateY(-2px)}
.dl-card:active{transform:translateY(0)}
.dl-card i{font-size:19px;color:var(--c-accent);flex:0 0 auto}
.dl-info{flex:1 1 auto;min-width:0}
.dl-name{display:block;font-size:14.5px;font-weight:700;line-height:1.4}
.dl-meta{display:block;font-family:var(--font-num);font-size:12.5px;letter-spacing:.03em;color:var(--c-on-dark-2);line-height:1.5}
.dl-card .arrow{font-size:12px;color:var(--c-on-dark-2);transition:transform .22s ease,color .22s ease}
.dl-card:hover .arrow{transform:translateX(3px);color:var(--c-accent)}
.dl-card.is-main{background:var(--c-accent);border-color:var(--c-accent)}
.dl-card.is-main i,.dl-card.is-main .dl-name{color:var(--c-accent-ink)}
.dl-card.is-main .dl-meta{color:rgba(14,59,43,.78)}
.dl-card.is-main .arrow{color:rgba(14,59,43,.7)}
.dl-card.is-main:hover{background:var(--c-accent-hi);border-color:var(--c-accent-hi)}
.dl-card.is-main:hover .arrow{color:var(--c-accent-ink)}
.dl-foot{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;
  margin-top:24px;padding-top:18px;
  border-top:1px solid rgba(234,242,236,.14);
  font-size:12.5px;color:var(--c-on-dark-2);
}
.dl-foot .num{color:var(--c-on-dark)}

/* ============ faq ============ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  background:var(--c-paper);border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item[open]{border-color:var(--c-brand-300);box-shadow:var(--sh-1)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:700;line-height:1.65;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--c-brand)}
.faq-plus{
  flex:0 0 auto;display:grid;place-items:center;
  width:26px;height:26px;border-radius:50%;
  background:var(--c-accent);color:var(--c-accent-ink);
  font-size:15px;font-weight:700;line-height:1;
  transition:transform .24s ease;
}
.faq-item[open] .faq-plus{transform:rotate(45deg)}
.faq-body{
  padding:0 22px 20px 22px;
  font-size:15px;line-height:1.9;color:var(--c-text-2);
  border-left:3px solid var(--c-accent);
  margin-left:22px;padding-left:16px;
}

/* ============ cta strip ============ */
.cta-strip{
  position:relative;overflow:hidden;
  background:var(--c-brand);color:var(--c-on-dark);
  padding:clamp(34px,5vw,56px) 0;
}
.cta-strip::after{
  content:"";position:absolute;right:-120px;top:-140px;
  width:360px;height:360px;border-radius:50%;
  border:1.5px solid rgba(216,255,75,.18);pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(1.35rem,2.6vw,1.85rem);font-weight:800;line-height:1.32;margin-bottom:6px}
.cta-inner p{font-size:14px;color:var(--c-on-dark-2);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ footer ============ */
.site-footer{
  background:var(--c-ink);color:var(--c-on-dark);
  padding:clamp(44px,6vw,72px) 0 0;
}
.footer-mark{width:60px;height:3px;border-radius:2px;background:var(--c-accent);margin-bottom:36px}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.25fr 1fr;
  gap:32px;padding-bottom:44px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-name{font-size:15px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--c-on-dark-2);max-width:320px;margin-bottom:18px}
.socials{display:flex;flex-wrap:wrap;gap:10px}
.socials a{
  display:inline-flex;align-items:center;justify-content:center;
  padding:7px 15px;border-radius:var(--r-pill);
  border:1px solid rgba(234,242,236,.22);
  font-size:12.5px;color:var(--c-on-dark-2);
  transition:border-color .22s ease,color .22s ease,background .22s ease;
}
.socials a:hover{border-color:var(--c-accent);color:var(--c-accent);background:rgba(216,255,75,.08)}
.footer-col h4{font-size:14px;font-weight:700;color:var(--c-on-dark);margin-bottom:14px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a,.footer-col address{
  font-size:14px;line-height:1.8;color:var(--c-on-dark-2);
  border-left:2px solid transparent;padding-left:2px;
  transition:color .2s ease,border-color .2s ease,padding-left .2s ease;
}
.footer-col ul li a:hover{color:var(--c-accent);border-left-color:var(--c-accent);padding-left:8px}
.footer-qr .qr-box{
  width:120px;height:120px;padding:9px;
  background:#FFFFFF;border-radius:var(--r-md);
  display:grid;grid-template-columns:repeat(7,1fr);grid-template-rows:repeat(7,1fr);gap:3px;
}
.qr-box i{display:block;background:#E3E7DF;border-radius:1px}
.qr-box i.q0{background:#08160F}
.footer-qr p{margin-top:12px;font-size:12.5px;color:var(--c-on-dark-2)}
.footer-bottom{
  border-top:1px solid rgba(234,242,236,.12);
  padding:18px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 20px;
  font-size:13px;color:var(--c-on-dark-2);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a{color:var(--c-on-dark-2);transition:color .2s ease}
.footer-bottom a:hover{color:var(--c-accent)}

/* ============ responsive ============ */
@media(max-width:1199px){
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:28px}
  .footer-qr{grid-column:auto}
}
@media(max-width:1023px){
  .nav-search{display:none}
  .dl-grid{grid-template-columns:repeat(2,1fr)}
  .check-grid{grid-template-columns:repeat(2,1fr)}
  .guide-row,.guide-row:nth-child(even){
    grid-template-columns:72px minmax(0,1fr);
    align-items:start;
  }
  .guide-row .guide-fig,.guide-row:nth-child(even) .guide-fig{
    grid-column:1 / -1;grid-row:2;
  }
  .guide-row .guide-num,.guide-row:nth-child(even) .guide-num{
    grid-column:1;grid-row:1;text-align:left;
  }
  .guide-row .guide-copy,.guide-row:nth-child(even) .guide-copy{
    grid-column:2;grid-row:1;
  }
  .steps{grid-template-columns:repeat(2,1fr);gap:24px 8px}
  .step:not(:last-child)::after{display:none}
}
@media(max-width:767px){
  .nav-top{height:60px;gap:12px}
  .brand-sub{display:none}
  .nav-link-quiet{display:none}
  .nav-cta{padding:10px 18px;font-size:13.5px}
  .nav-channels{height:48px}
  .channel{padding:7px 15px;font-size:13.5px}
  .hero-inner{padding-top:32px}
  .hero-cta .btn{flex:1 1 160px}
  .dl-grid{grid-template-columns:1fr}
  .check-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-brand{grid-column:1 / -1}
  .footer-qr{grid-column:1 / -1}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .faq-item summary{font-size:15px;padding:16px 18px}
  .faq-body{margin-left:18px;padding-right:18px}
}
@media(max-width:519px){
  .steps{grid-template-columns:1fr}
  .step{display:grid;grid-template-columns:42px 1fr;gap:14px;text-align:left;align-items:center;padding:0}
  .step-label{margin-top:0}
  .step-desc{grid-column:2}
  .guide-row,.guide-row:nth-child(even){grid-template-columns:1fr}
  .guide-row .guide-num,.guide-row:nth-child(even) .guide-num{grid-column:1;grid-row:1;font-size:38px}
  .guide-row .guide-copy,.guide-row:nth-child(even) .guide-copy{grid-column:1;grid-row:2}
  .guide-row .guide-fig,.guide-row:nth-child(even) .guide-fig{grid-column:1;grid-row:3}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .guide-row:hover,.check-card:hover,.dl-card:hover,.btn:hover{transform:none}
}