/* roulang page: index */
:root{
  --ink:#14171c;
  --ink-soft:#39404b;
  --muted:#6b7381;
  --line:#e4e7ed;
  --line-strong:#cdd4de;
  --bg:#f5f6f8;
  --bg-alt:#eef2ef;
  --surface:#ffffff;
  --brand:#1c5c46;
  --brand-2:#2c7d61;
  --brand-deep:#12261f;
  --brand-soft:#e9f2ed;
  --gold:#b8862c;
  --gold-soft:#fbf3e2;
  --radius-s:8px;
  --radius:12px;
  --radius-l:18px;
  --radius-xl:22px;
  --shadow-s:0 1px 2px rgba(20,23,28,.05);
  --shadow:0 6px 18px rgba(20,23,28,.07);
  --shadow-l:0 16px 40px rgba(20,23,28,.13);
  --container:1160px;
  --t:.2s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:15.5px;
  line-height:1.78;
  color:var(--ink-soft);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;border-radius:var(--radius-s)}
svg{display:block}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:transparent}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:4px}
::selection{background:var(--brand-soft);color:var(--brand)}

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

/* ---------- Top bar ---------- */
.topbar{background:var(--brand-deep);color:#c7ddd3;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:38px;flex-wrap:wrap}
.topbar-note{display:inline-flex;align-items:center;gap:8px;letter-spacing:.01em}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:#7fd4ad;box-shadow:0 0 0 3px rgba(127,212,173,.18)}
.topbar-links{display:flex;align-items:center;gap:18px}
.topbar-links a{color:#c7ddd3;transition:color var(--t)}
.topbar-links a:hover{color:#ffffff}
.topbar-cta{color:#f4e2b8 !important;font-weight:600}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.95);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(20,23,28,.09)}
.nav-inner{position:relative;display:flex;align-items:center;gap:20px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;font-size:15px;font-weight:800;
  display:grid;place-items:center;letter-spacing:0;
  box-shadow:0 4px 10px rgba(28,92,70,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.logo-sub{font-size:11px;color:var(--muted);letter-spacing:.14em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  position:relative;padding:8px 13px;border-radius:8px;
  font-size:14.5px;font-weight:500;color:var(--ink-soft);
  transition:background var(--t),color var(--t);
}
.main-nav a:hover{background:var(--brand-soft);color:var(--brand)}
.main-nav a.active{color:var(--brand);font-weight:700;background:var(--brand-soft)}
.nav-cta{flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);align-items:center;justify-content:center;margin-left:auto;
  background:var(--surface);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:var(--t)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:var(--t)
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:9px;font-size:14.5px;font-weight:600;
  line-height:1.4;white-space:nowrap;border:1px solid transparent;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(28,92,70,.24)}
.btn-primary:hover{background:#154b39;box-shadow:0 10px 22px rgba(28,92,70,.3)}
.btn-gold{background:linear-gradient(135deg,#d3a244,#b8862c);color:#241a06;box-shadow:0 8px 20px rgba(184,134,44,.32)}
.btn-gold:hover{background:linear-gradient(135deg,#e0b055,#c08f31)}
.btn-outline-light{color:#f2f7f4;border-color:rgba(255,255,255,.42);background:rgba(255,255,255,.06)}
.btn-outline-light:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.7)}
.btn-ghost{color:var(--brand);border-color:var(--line-strong);background:var(--surface)}
.btn-ghost:hover{border-color:var(--brand-2);background:var(--brand-soft)}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:8px}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:40px 0 52px;
  background:
    radial-gradient(900px 380px at 12% -10%,rgba(44,125,97,.16),transparent 70%),
    linear-gradient(180deg,#eef3f0 0%,#f5f6f8 100%);
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.62fr) minmax(0,1fr);
  grid-template-areas:"main side" "bar bar";
  gap:20px;
}
.hero-main{
  grid-area:main;
  position:relative;
  padding:40px 38px 34px;
  border-radius:var(--radius-xl);
  color:#f3f8f5;
  background:
    linear-gradient(140deg,rgba(12,38,30,.94) 0%,rgba(24,74,56,.86) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  box-shadow:var(--shadow-l);
  overflow:hidden;
}
.hero-main::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(211,162,68,.28),transparent 68%);pointer-events:none;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
}
.eyebrow-light{background:rgba(255,255,255,.14);color:#e8f3ed;border:1px solid rgba(255,255,255,.22)}
.hero-main h1{
  margin:18px 0 16px;
  font-size:clamp(26px,3.35vw,38px);
  line-height:1.32;
  font-weight:800;
  color:#ffffff;
  letter-spacing:.005em;
}
.hero-lead{font-size:15.5px;line-height:1.85;color:#d3e2da;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tags li{
  font-size:12.5px;color:#cfe2d8;padding:6px 13px;border-radius:999px;
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.07);
}
.hero-side{grid-area:side;display:grid;grid-template-rows:1fr 1fr;gap:20px}
.bento-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:22px 22px 20px;box-shadow:var(--shadow);transition:var(--t);
}
.bento-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-l);border-color:var(--line-strong)}
.bento-title{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.12em;text-transform:uppercase}
.bento-list{margin-top:12px;display:grid;gap:9px}
.bento-list li{display:flex;justify-content:space-between;gap:14px;font-size:13.5px;padding-bottom:8px;border-bottom:1px dashed var(--line)}
.bento-list li:last-child{border-bottom:0;padding-bottom:0}
.bento-list span{color:var(--muted);flex:0 0 auto}
.bento-list strong{color:var(--ink);font-weight:600;text-align:right}
.bento-card-alt{display:flex;flex-direction:column;justify-content:center;gap:10px;background:linear-gradient(160deg,#fbf7ec,#f7f4ee);border-color:#ece1c8}
.bento-stat{display:flex;align-items:baseline;gap:8px}
.bento-stat strong{font-size:34px;font-weight:800;color:var(--gold);line-height:1}
.bento-stat em{font-style:normal;font-size:13px;color:#8a7440}
.bento-card-alt p{font-size:13.5px;color:#7b6b4c;line-height:1.7}
.hero-cta-bar{
  grid-area:bar;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:18px 26px;border-radius:var(--radius-l);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);
}
.hero-cta-bar p{font-size:14.5px;color:var(--ink-soft)}
.hero-cta-bar strong{color:var(--brand);font-weight:700}

/* ---------- Sections ---------- */
.section{padding:64px 0}
.section-alt{background:var(--bg-alt)}
.section-white{background:var(--surface)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-label{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--brand-2);
}
.section-label::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand-2)}
.section-head.center .section-label::after{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand-2)}
.section-title{
  margin-top:12px;font-size:clamp(21px,2.3vw,28px);line-height:1.4;
  font-weight:800;color:var(--ink);letter-spacing:.005em;
}
.section-desc{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- Capability cards ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.cap-card{
  position:relative;padding:26px 22px 24px;border-radius:var(--radius-l);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.cap-num{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:11px;
  background:var(--brand-soft);color:var(--brand);font-weight:800;font-size:14px;letter-spacing:.02em;
}
.cap-card h3{margin-top:16px;font-size:16.5px;font-weight:700;color:var(--ink)}
.cap-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.78}
.cap-tag{display:inline-block;margin-top:14px;font-size:12px;color:var(--brand);background:var(--brand-soft);padding:4px 10px;border-radius:999px}

/* ---------- Progress / roadmap ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px}
.panel{
  padding:30px 30px 28px;border-radius:var(--radius-l);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-s);
}
.panel-title{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink)}
.panel-title .dot{width:9px;height:9px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 4px rgba(44,125,97,.14)}
.panel-title .dot.gold{background:var(--gold);box-shadow:0 0 0 4px rgba(184,134,44,.16)}
.panel-list{margin-top:18px;display:grid;gap:16px}
.panel-list li{padding-left:18px;position:relative;font-size:14.2px;line-height:1.78;color:var(--muted)}
.panel-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--line-strong)}
.panel-list li strong{display:block;color:var(--ink);font-weight:700;font-size:14.8px;margin-bottom:3px}
.panel-list li:hover::before{background:var(--brand-2)}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--brand-2),rgba(44,125,97,.1))}
.timeline li{position:relative;padding:0 0 24px 4px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-26px;top:7px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--brand-2);box-shadow:0 0 0 3px rgba(44,125,97,.1);
}
.tl-date{font-size:12.5px;font-weight:700;color:var(--brand-2);letter-spacing:.06em}
.tl-title{margin-top:5px;font-size:15.5px;font-weight:700;color:var(--ink)}
.tl-desc{margin-top:5px;font-size:14px;color:var(--muted);line-height:1.76}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.stat{
  padding:26px 22px;border-radius:var(--radius-l);text-align:center;
  background:linear-gradient(160deg,#ffffff,#f7faf8);
  border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:var(--t);
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.stat strong{display:block;font-size:30px;font-weight:800;color:var(--brand);line-height:1.1;letter-spacing:.01em}
.stat span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted)}

/* ---------- Topic tags ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}
.tag-cloud li{
  padding:10px 20px;border-radius:999px;font-size:14px;font-weight:500;
  background:var(--surface);border:1px solid var(--line);color:var(--ink-soft);
  box-shadow:var(--shadow-s);transition:var(--t);
}
.tag-cloud li:hover{border-color:var(--brand-2);color:var(--brand);background:var(--brand-soft);transform:translateY(-2px)}

/* ---------- Channel cards ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.channel-card{
  display:flex;flex-direction:column;gap:12px;padding:28px 26px;
  border-radius:var(--radius-l);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-l);border-color:var(--brand-2)}
.channel-card .ch-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-weight:800;font-size:15px;
}
.channel-card h3{font-size:17px;font-weight:700;color:var(--ink)}
.channel-card p{font-size:14px;color:var(--muted);line-height:1.78;flex:1}
.channel-more{font-size:13.5px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.channel-card:hover .channel-more{gap:10px}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.step{
  position:relative;padding:28px 24px;border-radius:var(--radius-l);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:var(--t);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.step-index{
  position:absolute;top:22px;right:24px;font-size:38px;font-weight:800;
  color:rgba(28,92,70,.1);line-height:1;letter-spacing:-.02em;
}
.step h3{font-size:16.5px;font-weight:700;color:var(--ink)}
.step p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.78}

/* ---------- Picks ---------- */
.pick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.pick-card{
  overflow:hidden;border-radius:var(--radius-l);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  display:flex;flex-direction:column;
}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-l);border-color:var(--line-strong)}
.pick-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#dfe7e2}
.pick-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease}
.pick-card:hover .pick-media img{transform:scale(1.05)}
.pick-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.pick-body h3{font-size:16px;font-weight:700;color:var(--ink);line-height:1.55}
.pick-body p{font-size:13.8px;color:var(--muted);line-height:1.76;flex:1}
.pick-meta{display:flex;gap:10px;align-items:center;font-size:12.5px;color:var(--muted)}
.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--brand-soft);color:var(--brand)}
.pill-gold{background:var(--gold-soft);color:#8a6320}

/* ---------- Voices ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.voice{
  padding:26px 24px;border-radius:var(--radius-l);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow-s);transition:var(--t);
  display:flex;flex-direction:column;gap:14px;
}
.voice:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.voice-text{font-size:14.2px;color:var(--ink-soft);line-height:1.8}
.voice-user{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:14px;
}
.voice-user strong{display:block;font-size:14px;color:var(--ink)}
.voice-user span{display:block;font-size:12.5px;color:var(--muted)}

/* ---------- News list ---------- */
.news-list{display:grid;gap:14px}
.news-item{
  display:grid;grid-template-columns:180px minmax(0,1fr);gap:22px;align-items:center;
  padding:16px;border-radius:var(--radius-l);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.news-thumb{aspect-ratio:16/10;overflow:hidden;border-radius:var(--radius);background:#e2e9e5}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease}
.news-item:hover .news-thumb img{transform:scale(1.05)}
.news-body h3{font-size:16px;font-weight:700;color:var(--ink);line-height:1.55}
.news-body p{margin-top:7px;font-size:13.8px;color:var(--muted);line-height:1.76}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:11px;font-size:12.5px;color:var(--muted)}
.empty-note{
  padding:34px;text-align:center;border-radius:var(--radius-l);
  border:1px dashed var(--line-strong);color:var(--muted);background:var(--surface);font-size:14.5px;
}

/* ---------- Subscribe ---------- */
.subscribe{
  position:relative;overflow:hidden;
  border-radius:var(--radius-xl);
  padding:48px 44px;
  color:#eef6f1;
  background:
    linear-gradient(135deg,rgba(12,38,30,.94),rgba(26,80,60,.88)),
    url('/assets/images/backpic/back-4.webp') center/cover no-repeat;
  box-shadow:var(--shadow-l);
}
.subscribe h2{font-size:clamp(20px,2.2vw,26px);font-weight:800;color:#fff;line-height:1.45}
.subscribe p{margin-top:12px;font-size:14.5px;color:#c9ded4;max-width:620px;line-height:1.8}
.sub-form{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.sub-form input[type="email"]{
  flex:1 1 280px;min-width:0;height:48px;padding:0 18px;border-radius:10px;
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.1);color:#fff;
  transition:var(--t);
}
.sub-form input[type="email"]::placeholder{color:#a9c6ba}
.sub-form input[type="email"]:focus{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.6);outline:none}
.sub-form .btn{height:48px}
.sub-hint{margin-top:14px;font-size:12.5px;color:#a9c6ba}

/* ---------- Footer ---------- */
.site-footer{background:#0f1f1a;color:#a9bdb4;padding:56px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:42px}
.footer-brand .logo-name{color:#fff}
.footer-brand .logo-sub{color:#6f8780}
.footer-about{margin-top:16px;font-size:13.5px;line-height:1.8;color:#92a9a0;max-width:300px}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#e2ece7;margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{color:#a9bdb4;font-size:13.8px;transition:color var(--t)}
.footer-links a:hover{color:#fff}
.footer-copy{
  border-top:1px solid rgba(255,255,255,.09);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#7e948c;
}
.footer-copy a{color:#7e948c}
.footer-copy a:hover{color:#fff}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .cap-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .channel-grid,.steps,.pick-grid,.voice-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .logo-sub{display:none}
  .main-nav{
    position:absolute;left:-24px;right:-24px;top:100%;
    flex-direction:column;align-items:stretch;gap:2px;margin-left:0;
    background:#fff;border-bottom:1px solid var(--line);
    padding:10px 20px 18px;box-shadow:0 18px 34px rgba(20,23,28,.14);
    display:none;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:13px 14px;font-size:15px;border-radius:9px}
  .main-nav a.active{background:var(--brand-soft)}
  .hero-grid{grid-template-columns:1fr;grid-template-areas:"main" "side" "bar"}
  .hero-side{grid-template-rows:auto;grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr}
  .section{padding:52px 0}
}
@media (max-width:768px){
  .news-item{grid-template-columns:1fr;gap:14px}
  .news-thumb{aspect-ratio:16/9}
  .subscribe{padding:36px 26px;border-radius:var(--radius-l)}
  .hero-main{padding:32px 24px 28px}
  .topbar-links{gap:12px;font-size:12.5px}
}
@media (max-width:560px){
  .container{padding:0 18px}
  .cap-grid,.stats,.channel-grid,.steps,.pick-grid,.voice-grid,.hero-side{grid-template-columns:1fr}
  .hero-cta-bar{flex-direction:column;align-items:stretch;text-align:left}
  .hero-cta-bar .btn{width:100%}
  .hero-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-copy{flex-direction:column;gap:8px}
  .section{padding:44px 0}
  .sub-form input[type="email"]{flex:1 1 100%}
  .sub-form .btn{width:100%}
  .section-title{font-size:20px}
}

/* roulang page: article */
:root{
 --ink:#14171c;
 --ink-soft:#39404b;
 --muted:#6b7381;
 --line:#e4e7ed;
 --line-strong:#cdd4de;
 --bg:#f5f6f8;
 --bg-alt:#eef2ef;
 --surface:#ffffff;
 --brand:#1c5c46;
 --brand-2:#2c7d61;
 --brand-deep:#12261f;
 --brand-soft:#e9f2ed;
 --gold:#b8862c;
 --gold-soft:#fbf3e2;
 --radius-s:8px;
 --radius:12px;
 --radius-l:18px;
 --radius-xl:22px;
 --shadow-s:0 1px 2px rgba(20,23,28,.05);
 --shadow:0 6px 18px rgba(20,23,28,.07);
 --shadow-l:0 16px 40px rgba(20,23,28,.13);
 --container:1160px;
 --t:.2s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 font-size:15.5px;
 line-height:1.78;
 color:var(--ink-soft);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,dl,dd{margin:0}
ul,ol{padding-left:1.1em}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;border-radius:var(--radius-s)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:transparent}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- Top bar ---------- */
.topbar{background:var(--brand-deep);color:#c7ddd3;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:38px;flex-wrap:wrap}
.topbar-note{display:inline-flex;align-items:center;gap:8px;letter-spacing:.01em}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:#7fd4ad;box-shadow:0 0 0 3px rgba(127,212,173,.18)}
.topbar-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.topbar-links a{color:#c7ddd3;transition:color var(--t)}
.topbar-links a:hover{color:#ffffff}
.topbar-cta{color:#f4e2b8 !important;font-weight:600}

/* ---------- Header ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(255,255,255,.95);
 backdrop-filter:saturate(180%) blur(10px);
 border-bottom:1px solid var(--line);
 transition:box-shadow var(--t);
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(20,23,28,.09)}
.nav-inner{position:relative;display:flex;align-items:center;gap:20px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
 width:34px;height:34px;border-radius:10px;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 color:#fff;font-size:15px;font-weight:800;
 display:grid;place-items:center;
 box-shadow:0 4px 10px rgba(28,92,70,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.logo-sub{font-size:11px;color:var(--muted);letter-spacing:.14em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
 position:relative;padding:8px 13px;border-radius:8px;
 font-size:14.5px;font-weight:500;color:var(--ink-soft);
 transition:background var(--t),color var(--t);
}
.main-nav a:hover{background:var(--brand-soft);color:var(--brand)}
.main-nav a.active{color:var(--brand);font-weight:700;background:var(--brand-soft)}
.nav-cta{flex:0 0 auto}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:10px;
 border:1px solid var(--line);align-items:center;justify-content:center;margin-left:auto;
 background:var(--surface);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:var(--t)}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:var(--t)
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 22px;border-radius:9px;font-size:14.5px;font-weight:600;
 line-height:1.4;white-space:nowrap;border:1px solid transparent;
 transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(28,92,70,.24)}
.btn-primary:hover{background:#154b39;box-shadow:0 10px 22px rgba(28,92,70,.3)}
.btn-gold{background:linear-gradient(135deg,#d3a244,#b8862c);color:#241a06;box-shadow:0 8px 20px rgba(184,134,44,.32)}
.btn-gold:hover{background:linear-gradient(135deg,#e0b055,#c08f31)}
.btn-outline-light{color:#f2f7f4;border-color:rgba(255,255,255,.42);background:rgba(255,255,255,.06)}
.btn-outline-light:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.7)}
.btn-ghost{color:var(--brand);border-color:var(--line-strong);background:var(--surface)}
.btn-ghost:hover{border-color:var(--brand-2);background:var(--brand-soft)}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:8px}

/* ---------- Tags ---------- */
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:4px 11px;border-radius:999px;
 font-size:12.5px;font-weight:600;line-height:1.6;
 background:var(--brand-soft);color:var(--brand);
 border:1px solid rgba(28,92,70,.14);
}
.tag-gold{background:var(--gold-soft);color:#8a6418;border-color:rgba(184,134,44,.24)}
.tag-ghost{background:#fff;color:var(--muted);border-color:var(--line)}

/* ---------- Article hero ---------- */
.article-hero{
 position:relative;
 padding:34px 0 46px;
 color:#f2f8f5;
 background:
  linear-gradient(140deg,rgba(12,38,30,.95) 0%,rgba(24,74,56,.88) 100%),
  url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
 overflow:hidden;
}
.article-hero::after{
 content:"";position:absolute;right:-90px;top:-60px;width:320px;height:320px;border-radius:50%;
 background:radial-gradient(circle,rgba(211,162,68,.24),transparent 68%);pointer-events:none;
}
.crumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:#a9c6b9;margin-bottom:18px}
.crumbs a{color:#cbe1d7;transition:color var(--t)}
.crumbs a:hover{color:#fff}
.crumbs span.sep{color:rgba(255,255,255,.35)}
.article-hero h1{
 position:relative;z-index:1;
 font-size:clamp(24px,3vw,36px);
 line-height:1.36;font-weight:800;color:#fff;letter-spacing:.004em;
 max-width:900px;
}
.hero-summary{
 position:relative;z-index:1;
 margin-top:16px;max-width:820px;
 font-size:15px;line-height:1.85;color:#cfe2d9;
}
.hero-meta{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px}

/* ---------- Sections ---------- */
.section{padding:56px 0}
.section--alt{background:var(--bg-alt)}
.section-head{max-width:760px;margin-bottom:28px}
.section-head .kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
 color:var(--brand-2);margin-bottom:10px;
}
.section-head .kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--gold)}
.section-head h2{font-size:clamp(20px,2.2vw,26px);line-height:1.4;color:var(--ink);font-weight:800}
.section-head p{margin-top:10px;color:var(--muted);font-size:14.5px}

/* ---------- Article layout ---------- */
.article-wrap{max-width:900px;margin:0 auto}
.article-card{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius-l);
 box-shadow:var(--shadow);
 padding:34px 38px 38px;
}
.article-cover{margin:0 0 26px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-s)}
.article-cover img{width:100%;height:auto;border-radius:0}
.article-cover figcaption{font-size:12.5px;color:var(--muted);padding:10px 4px 0}
.article-body{font-size:15.5px;line-height:1.85;color:var(--ink-soft)}
.article-body > * + *{margin-top:16px}
.article-body h2{
 margin-top:34px;font-size:21px;line-height:1.45;color:var(--ink);font-weight:800;
 padding-left:13px;border-left:4px solid var(--gold);border-radius:2px;
}
.article-body h3{margin-top:26px;font-size:17.5px;color:var(--ink);font-weight:700}
.article-body h4{margin-top:20px;font-size:15.5px;color:var(--ink);font-weight:700}
.article-body p{margin:0}
.article-body p + p{margin-top:14px}
.article-body ul,.article-body ol{margin:14px 0 0;padding-left:1.25em}
.article-body li{margin:8px 0}
.article-body li::marker{color:var(--brand-2)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(28,92,70,.28);transition:color var(--t),border-color var(--t)}
.article-body a:hover{color:var(--brand-2);border-color:var(--brand-2)}
.article-body img{margin:20px auto;border-radius:var(--radius);box-shadow:var(--shadow)}
.article-body blockquote{
 margin:22px 0 0;padding:16px 20px;border-left:4px solid var(--brand-2);
 background:var(--brand-soft);border-radius:0 var(--radius) var(--radius) 0;color:var(--ink-soft);
}
.article-body blockquote p + p{margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin-top:20px;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--brand-soft);color:var(--ink);font-weight:700}
.article-body tr:nth-child(even) td{background:#fafbfc}
.article-body hr{border:0;border-top:1px solid var(--line);margin:28px 0}

/* ---------- Empty state ---------- */
.article-empty{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
 box-shadow:var(--shadow);padding:44px 36px;text-align:center;
}
.article-empty h2{font-size:22px;color:var(--ink);font-weight:800}
.article-empty p{margin:12px auto 22px;max-width:520px;color:var(--muted)}
.article-empty .btn{margin:0 5px}

/* ---------- Point cards ---------- */
.point-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.point-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 22px 20px;box-shadow:var(--shadow-s);
 transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.point-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.point-card .ico{
 width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand);margin-bottom:14px;
}
.point-card .ico svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.point-card h3{font-size:16px;color:var(--ink);font-weight:700;margin-bottom:8px}
.point-card p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- Specs ---------- */
.spec-table{
 width:100%;border-collapse:separate;border-spacing:0;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow-s);font-size:14.5px;
}
.spec-table th,.spec-table td{padding:13px 18px;text-align:left;border-bottom:1px solid var(--line)}
.spec-table th{width:34%;background:#f8faf9;color:var(--ink);font-weight:700}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}
.spec-table td{color:var(--ink-soft)}

/* ---------- Gallery ---------- */
.gallery-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.gallery-nav{display:flex;gap:8px}
.gallery-btn{
 width:40px;height:40px;border-radius:10px;border:1px solid var(--line-strong);
 background:var(--surface);color:var(--ink-soft);display:grid;place-items:center;
 transition:background var(--t),border-color var(--t),color var(--t),transform var(--t);
}
.gallery-btn:hover{background:var(--brand-soft);border-color:var(--brand-2);color:var(--brand);transform:translateY(-1px)}
.gallery-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.gallery-track{
 display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
 padding:4px 4px 16px;margin:0 -4px;scrollbar-width:thin;
}
.gallery-track::-webkit-scrollbar{height:7px}
.gallery-track::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:999px}
.gallery-item{
 flex:0 0 300px;scroll-snap-align:start;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow-s);transition:transform var(--t),box-shadow var(--t);
}
.gallery-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.gallery-item img{width:100%;height:180px;object-fit:cover;border-radius:0}
.gallery-cap{padding:12px 16px 16px}
.gallery-cap strong{display:block;color:var(--ink);font-size:14.5px;margin-bottom:4px}
.gallery-cap span{font-size:13px;color:var(--muted);line-height:1.7;display:block}

/* ---------- Download band ---------- */
.download-band{
 position:relative;overflow:hidden;
 border-radius:var(--radius-xl);
 padding:38px 40px;
 color:#eef7f2;
 background:
  linear-gradient(135deg,rgba(12,38,30,.95),rgba(28,92,70,.86)),
  url('/assets/images/backpic/back-5.webp') center/cover no-repeat;
 box-shadow:var(--shadow-l);
 display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.download-band h2{font-size:clamp(20px,2.2vw,26px);color:#fff;font-weight:800;line-height:1.4}
.download-band p{margin-top:10px;color:#c9dfd5;font-size:14.5px;max-width:560px}
.download-band .actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Channel matrix ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.channel-card{
 display:flex;flex-direction:column;gap:10px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-s);
 transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.channel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--brand-2)}
.channel-card h3{font-size:16.5px;color:var(--ink);font-weight:700}
.channel-card p{font-size:14px;color:var(--muted);line-height:1.8;flex:1}
.channel-card .more{font-size:13.5px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.channel-card .more::after{content:"→";transition:transform var(--t)}
.channel-card:hover .more::after{transform:translateX(3px)}

/* ---------- Related list ---------- */
.related-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.related-item{
 display:flex;gap:14px;align-items:flex-start;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:16px;box-shadow:var(--shadow-s);
 transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.related-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.related-item img{width:76px;height:76px;object-fit:cover;border-radius:10px;flex:0 0 auto}
.related-item strong{display:block;font-size:14.5px;color:var(--ink);line-height:1.55}
.related-item span{display:block;margin-top:6px;font-size:13px;color:var(--muted);line-height:1.65}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-s);overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
}
.faq-item:hover{border-color:var(--line-strong);box-shadow:var(--shadow)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:16px 20px;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 font-size:15px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";font-size:19px;font-weight:600;color:var(--brand-2);line-height:1;flex:0 0 auto;
 transition:transform var(--t);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 20px 18px;font-size:14.5px;color:var(--muted);line-height:1.85}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-deep);color:#b9cec4;padding:52px 0 26px;margin-top:10px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.site-footer .logo-mark{background:linear-gradient(135deg,#2c7d61,#4aa383)}
.site-footer .logo-name{color:#ffffff}
.site-footer .logo-sub{color:#8fa99d}
.footer-about{margin-top:16px;font-size:13.5px;line-height:1.85;color:#9fb8ac;max-width:330px}
.footer-title{font-size:14px;font-weight:700;color:#ffffff;margin:0 0 14px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:9px;font-size:13.5px}
.footer-links a{color:#a9c2b6;transition:color var(--t),transform var(--t)}
.footer-links a:hover{color:#ffffff;transform:translateX(2px)}
.footer-copy{
 margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
 display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:12.5px;color:#8fa99d;
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
 .nav-inner{gap:14px}
 .main-nav a{padding:8px 10px;font-size:14px}
 .point-grid,.channel-grid,.related-list{grid-template-columns:repeat(2,minmax(0,1fr))}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .article-card{padding:28px 26px 30px}
 .section{padding:46px 0}
}
@media (max-width:768px){
 .nav-cta{display:none}
 .nav-toggle{display:flex}
 .main-nav{
  position:absolute;left:0;right:0;top:64px;
  flex-direction:column;align-items:stretch;gap:4px;
  background:var(--surface);border-bottom:1px solid var(--line);
  padding:10px 16px 16px;margin:0;
  box-shadow:0 16px 30px rgba(20,23,28,.12);
  display:none;
 }
 .main-nav.is-open{display:flex}
 .main-nav a{padding:12px 14px;font-size:15px;border-radius:9px;min-height:44px;display:flex;align-items:center}
 .topbar-links a:not(.topbar-cta){display:none}
 .hero-grid{grid-template-columns:1fr}
 .article-hero{padding:26px 0 34px}
 .point-grid,.channel-grid,.related-list{grid-template-columns:1fr}
 .download-band{padding:28px 24px;flex-direction:column;align-items:flex-start}
 .gallery-item{flex:0 0 84%}
 .spec-table th{width:40%}
 .section{padding:40px 0}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .article-card{padding:22px 16px 24px}
 .logo-name{font-size:16.5px}
 .logo-sub{font-size:10px;letter-spacing:.1em}
 .topbar-inner{min-height:34px;gap:10px}
 .topbar-note{font-size:12px}
 .article-body h2{font-size:19px}
 .article-body table{font-size:13.5px}
 .article-body th,.article-body td{padding:8px 10px}
 .download-band .actions .btn{width:100%}
 .footer-grid{grid-template-columns:1fr}
 .related-item img{width:64px;height:64px}
}

/* roulang page: category1 */
:root{
  --ink:#14171c;
  --ink-soft:#39404b;
  --muted:#6b7381;
  --line:#e4e7ed;
  --line-strong:#cdd4de;
  --bg:#f5f6f8;
  --bg-alt:#eef2ef;
  --surface:#ffffff;
  --brand:#1c5c46;
  --brand-2:#2c7d61;
  --brand-deep:#12261f;
  --brand-soft:#e9f2ed;
  --gold:#b8862c;
  --gold-soft:#fbf3e2;
  --radius-s:8px;
  --radius:12px;
  --radius-l:18px;
  --radius-xl:22px;
  --shadow-s:0 1px 2px rgba(20,23,28,.05);
  --shadow:0 6px 18px rgba(20,23,28,.07);
  --shadow-l:0 16px 40px rgba(20,23,28,.13);
  --container:1160px;
  --t:.2s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:15.5px;
  line-height:1.78;
  color:var(--ink-soft);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;border-radius:var(--radius-s)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:transparent}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- Top bar ---------- */
.topbar{background:var(--brand-deep);color:#c7ddd3;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:38px;flex-wrap:wrap}
.topbar-note{display:inline-flex;align-items:center;gap:8px;letter-spacing:.01em}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:#7fd4ad;box-shadow:0 0 0 3px rgba(127,212,173,.18)}
.topbar-links{display:flex;align-items:center;gap:18px}
.topbar-links a{color:#c7ddd3;transition:color var(--t)}
.topbar-links a:hover{color:#ffffff}
.topbar-cta{color:#f4e2b8 !important;font-weight:600}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.95);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(20,23,28,.09)}
.nav-inner{position:relative;display:flex;align-items:center;gap:20px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;font-size:15px;font-weight:800;
  display:grid;place-items:center;
  box-shadow:0 4px 10px rgba(28,92,70,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.logo-sub{font-size:11px;color:var(--muted);letter-spacing:.14em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  position:relative;padding:8px 13px;border-radius:8px;
  font-size:14.5px;font-weight:500;color:var(--ink-soft);
  transition:background var(--t),color var(--t);
}
.main-nav a:hover{background:var(--brand-soft);color:var(--brand)}
.main-nav a.active{color:var(--brand);font-weight:700;background:var(--brand-soft)}
.nav-cta{flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);align-items:center;justify-content:center;margin-left:auto;
  background:var(--surface);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:var(--t)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:var(--t)
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:9px;font-size:14.5px;font-weight:600;
  line-height:1.4;white-space:nowrap;border:1px solid transparent;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(28,92,70,.24)}
.btn-primary:hover{background:#154b39;box-shadow:0 10px 22px rgba(28,92,70,.3)}
.btn-gold{background:linear-gradient(135deg,#d3a244,#b8862c);color:#241a06;box-shadow:0 8px 20px rgba(184,134,44,.32)}
.btn-gold:hover{background:linear-gradient(135deg,#e0b055,#c08f31)}
.btn-outline-light{color:#f2f7f4;border-color:rgba(255,255,255,.42);background:rgba(255,255,255,.06)}
.btn-outline-light:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.7)}
.btn-ghost{color:var(--brand);border-color:var(--line-strong);background:var(--surface)}
.btn-ghost:hover{border-color:var(--brand-2);background:var(--brand-soft)}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:8px}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:40px 0 52px;
  background:
    radial-gradient(900px 380px at 12% -10%,rgba(44,125,97,.16),transparent 70%),
    linear-gradient(180deg,#eef3f0 0%,#f5f6f8 100%);
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
  gap:22px;
  align-items:stretch;
}
.hero-main{
  position:relative;
  padding:42px 40px 36px;
  border-radius:var(--radius-xl);
  color:#f3f8f5;
  background:
    linear-gradient(140deg,rgba(12,38,30,.94) 0%,rgba(24,74,56,.86) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  box-shadow:var(--shadow-l);
  overflow:hidden;
}
.hero-main::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(211,162,68,.28),transparent 68%);pointer-events:none;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
}
.eyebrow-light{background:rgba(255,255,255,.14);color:#e8f3ed;border:1px solid rgba(255,255,255,.22)}
.hero-main h1{
  margin:18px 0 16px;
  font-size:clamp(25px,3.2vw,36px);
  line-height:1.34;
  font-weight:800;
  color:#ffffff;
  letter-spacing:.005em;
}
.hero-lead{font-size:15.5px;line-height:1.85;color:#d3e2da;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:500;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);
  color:#dcebe4;
}
.tag-solid{background:var(--brand-soft);border-color:#cfe4d9;color:var(--brand);font-weight:600}

/* Hero side quick entries */
.hero-side{display:flex;flex-direction:column;gap:12px}
.side-title{
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--muted);text-transform:uppercase;margin-bottom:2px;
}
.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;flex:1}
.quick-card{
  display:flex;flex-direction:column;gap:8px;
  padding:16px 15px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-s);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.quick-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#bcd8cb}
.quick-icon{
  width:32px;height:32px;border-radius:9px;
  display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);
}
.quick-icon svg{width:17px;height:17px}
.quick-card strong{font-size:14.5px;color:var(--ink);font-weight:700;line-height:1.4}
.quick-card span{font-size:12.5px;color:var(--muted);line-height:1.55}

/* ---------- Sections ---------- */
.section{padding:66px 0}
.section.tint{background:#ffffff}
.section.alt{background:var(--bg-alt)}
.section.deep{
  background:linear-gradient(140deg,#10241d 0%,#1a4a38 100%);
  color:#d9e7e0;
}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;flex-wrap:wrap;margin-bottom:30px;
}
.sec-head h2{
  position:relative;padding-left:16px;
  font-size:clamp(21px,2.3vw,26px);line-height:1.42;
  font-weight:800;color:var(--ink);letter-spacing:.005em;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--gold));
}
.sec-head .sec-sub{max-width:640px;font-size:14.5px;color:var(--muted);line-height:1.8}
.section.deep .sec-head h2{color:#ffffff}
.section.deep .sec-head .sec-sub{color:#a9c6b8}
.lead-p{font-size:15.5px;line-height:1.85;color:var(--ink-soft);max-width:820px}

/* Stat strip */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;margin-top:28px;
}
.stat{
  padding:22px 20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-s);
  transition:transform var(--t),box-shadow var(--t);
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.stat strong{
  display:block;font-size:29px;line-height:1.2;font-weight:800;color:var(--brand);
  letter-spacing:-.01em;
}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--muted);line-height:1.6}
.stat em{font-style:normal;color:var(--gold);font-weight:700}

/* Play cards */
.play-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.play-card{
  position:relative;
  padding:24px 22px 22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  box-shadow:var(--shadow-s);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.play-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-l);border-color:#bcd8cb}
.play-card .badge{
  display:inline-block;padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.03em;
  background:var(--gold-soft);color:#8a6318;border:1px solid #efdfba;
}
.play-card h3{margin:12px 0 8px;font-size:17px;font-weight:700;color:var(--ink);line-height:1.5}
.play-card p{font-size:14px;line-height:1.78;color:var(--ink-soft)}
.play-card .example{
  margin-top:14px;padding-top:13px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);letter-spacing:.02em;
}
.play-card .example b{color:var(--brand);font-weight:700;letter-spacing:.08em}

/* Flow */
.flow-wrap{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin-top:8px}
.flow-step{
  padding:22px 18px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);
  transition:background var(--t),transform var(--t),border-color var(--t);
}
.flow-step:hover{background:rgba(255,255,255,.11);transform:translateY(-3px);border-color:rgba(255,255,255,.3)}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:9px;
  background:linear-gradient(135deg,#d3a244,#b8862c);color:#20180a;
  font-size:13.5px;font-weight:800;margin-bottom:12px;
}
.flow-step h3{font-size:15px;font-weight:700;color:#ffffff;margin-bottom:7px;line-height:1.5}
.flow-step p{font-size:13px;line-height:1.72;color:#aec9bc}

/* Split */
.split{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);gap:34px;align-items:center}
.split-media{position:relative}
.split-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--radius-l);
  box-shadow:var(--shadow-l);
}
.split-media .float-chip{
  position:absolute;left:18px;bottom:18px;
  padding:9px 14px;border-radius:10px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  font-size:12.5px;font-weight:700;color:var(--brand);
  box-shadow:var(--shadow);
}
.split-body h3{font-size:20px;font-weight:800;color:var(--ink);margin-bottom:12px;line-height:1.5}
.split-body p{font-size:15px;line-height:1.85;margin-bottom:12px}
.check-list{margin-top:18px;display:grid;gap:11px}
.check-list li{
  position:relative;padding-left:26px;
  font-size:14.5px;line-height:1.75;color:var(--ink-soft);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.55em;
  width:14px;height:14px;border-radius:4px;
  background:var(--brand-soft);border:1px solid #c6e0d4;
}
.check-list li::after{
  content:"";position:absolute;left:4px;top:.85em;
  width:6px;height:3px;border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);
}
.check-list li b{color:var(--brand);font-weight:700}

/* Dispute list */
.dispute-list{display:grid;gap:12px;margin-top:6px}
.dispute-list li{
  display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;
  padding:20px 22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-s);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.dispute-list li:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#c6dbd1}
.dispute-list .num{
  display:grid;place-items:center;
  width:44px;height:44px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand);
  font-size:15px;font-weight:800;
}
.dispute-list h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:6px;line-height:1.5}
.dispute-list p{font-size:14px;line-height:1.78;color:var(--ink-soft)}

/* Pick cards */
.pick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.pick-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  overflow:hidden;
  box-shadow:var(--shadow-s);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  display:flex;flex-direction:column;
}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-l);border-color:#bcd8cb}
.pick-card figure{margin:0;overflow:hidden}
.pick-card img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;
  transition:transform .35s ease;
}
.pick-card:hover img{transform:scale(1.04)}
.pick-card .pick-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.pick-card h3{font-size:16px;font-weight:700;color:var(--ink);line-height:1.5}
.pick-card p{font-size:13.5px;line-height:1.75;color:var(--ink-soft)}
.pick-card .pick-tag{
  margin-top:auto;padding-top:10px;
  font-size:12.5px;font-weight:600;color:var(--brand);letter-spacing:.02em;
}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-s);
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item[open]{border-color:#bcd8cb;box-shadow:var(--shadow)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 22px;cursor:pointer;
  font-size:15.5px;font-weight:700;color:var(--ink);
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex:0 0 auto;width:11px;height:11px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform var(--t);margin-top:-4px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:2px}
.faq-item .faq-answer{
  padding:0 22px 20px;font-size:14.5px;line-height:1.85;color:var(--ink-soft);
  border-top:1px solid var(--line);padding-top:16px;margin-top:0;
}

/* CTA band */
.cta-band{
  position:relative;
  padding:52px 46px;
  border-radius:var(--radius-xl);
  background:
    linear-gradient(135deg,rgba(12,38,30,.95),rgba(28,92,70,.9)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  color:#eef6f2;
  box-shadow:var(--shadow-l);
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:32px;align-items:center;
  overflow:hidden;
}
.cta-band h2{font-size:clamp(21px,2.4vw,27px);font-weight:800;color:#fff;line-height:1.44;margin-bottom:12px}
.cta-band p{font-size:15px;line-height:1.85;color:#cfe2d8;max-width:620px}
.cta-actions{display:flex;flex-direction:column;gap:12px;justify-content:center}
.cta-actions .btn{width:100%}
.cta-meta{font-size:12.5px;color:#a7c3b6;text-align:center;letter-spacing:.02em}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:0;
  padding:56px 0 0;
  background:var(--brand-deep);
  color:#b9cec3;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:34px;
  padding-bottom:38px;
}
.footer-brand .logo{margin-bottom:14px}
.footer-brand .logo-name{color:#ffffff}
.footer-brand .logo-sub{color:#7fa294}
.footer-about{font-size:13.5px;line-height:1.85;color:#9db8ac;max-width:330px}
.footer-title{
  font-size:14px;font-weight:700;color:#ffffff;
  margin-bottom:14px;letter-spacing:.03em;
}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:13.5px;color:#a8c1b5;transition:color var(--t),transform var(--t);display:inline-block}
.footer-links a:hover{color:#ffffff;transform:translateX(2px)}
.footer-copy{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 26px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:12.5px;color:#88a498;
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr}
  .hero-main{padding:34px 28px 30px}
  .quick-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .play-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-wrap{grid-template-columns:repeat(3,minmax(0,1fr))}
  .split{grid-template-columns:1fr;gap:26px}
  .pick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{grid-template-columns:1fr;padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:820px){
  .main-nav{
    position:absolute;top:64px;left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:2px;
    padding:12px 16px 16px;
    background:var(--surface);
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px rgba(20,23,28,.12);
    margin-left:0;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 14px;font-size:15px;border-radius:9px}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .section{padding:52px 0}
  .quick-grid{grid-template-columns:1fr 1fr}
  .flow-wrap{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .container{padding:0 18px}
  .topbar-links{gap:12px;font-size:12.5px}
  .topbar-note{font-size:12.5px}
  .hero{padding:26px 0 36px}
  .hero-main{padding:28px 22px 26px;border-radius:var(--radius-l)}
  .hero-main h1{font-size:24px}
  .hero-lead{font-size:14.5px}
  .hero-actions .btn{width:100%}
  .quick-grid{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr}
  .play-grid{grid-template-columns:1fr}
  .flow-wrap{grid-template-columns:1fr}
  .pick-grid{grid-template-columns:1fr}
  .dispute-list li{grid-template-columns:1fr;gap:10px;padding:18px}
  .cta-band{padding:30px 22px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-copy{flex-direction:column;align-items:flex-start;gap:8px}
  .sec-head{margin-bottom:22px}
  .faq-item summary{padding:15px 16px;font-size:14.5px}
  .faq-item .faq-answer{padding:14px 16px 18px}
}

/* roulang page: category2 */
:root{
 --ink:#14171c;
 --ink-soft:#39404b;
 --muted:#6b7381;
 --line:#e4e7ed;
 --line-strong:#cdd4de;
 --bg:#f5f6f8;
 --bg-alt:#eef2ef;
 --surface:#ffffff;
 --brand:#1c5c46;
 --brand-2:#2c7d61;
 --brand-deep:#12261f;
 --brand-soft:#e9f2ed;
 --gold:#b8862c;
 --gold-soft:#fbf3e2;
 --radius-s:8px;
 --radius:12px;
 --radius-l:18px;
 --radius-xl:22px;
 --shadow-s:0 1px 2px rgba(20,23,28,.05);
 --shadow:0 6px 18px rgba(20,23,28,.07);
 --shadow-l:0 16px 40px rgba(20,23,28,.13);
 --container:1160px;
 --t:.2s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 font-size:15.5px;
 line-height:1.78;
 color:var(--ink-soft);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;border-radius:var(--radius-s)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:transparent}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}
/* ---------- Header ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(255,255,255,.95);
 backdrop-filter:saturate(180%) blur(10px);
 border-bottom:1px solid var(--line);
 transition:box-shadow var(--t);
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(20,23,28,.09)}
.nav-inner{position:relative;display:flex;align-items:center;gap:20px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
 width:34px;height:34px;border-radius:10px;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 color:#fff;font-size:15px;font-weight:800;
 display:grid;place-items:center;letter-spacing:0;
 box-shadow:0 4px 10px rgba(28,92,70,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.logo-sub{font-size:11px;color:var(--muted);letter-spacing:.14em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
 position:relative;padding:8px 13px;border-radius:8px;
 font-size:14.5px;font-weight:500;color:var(--ink-soft);
 transition:background var(--t),color var(--t);
}
.main-nav a:hover{background:var(--brand-soft);color:var(--brand)}
.main-nav a.active{color:var(--brand);font-weight:700;background:var(--brand-soft)}
.nav-cta{flex:0 0 auto}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:10px;
 border:1px solid var(--line);align-items:center;justify-content:center;margin-left:auto;
 background:var(--surface);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:var(--t)}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:var(--t)
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
/* ---------- Buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 22px;border-radius:9px;font-size:14.5px;font-weight:600;
 line-height:1.4;white-space:nowrap;border:1px solid transparent;
 transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(28,92,70,.24)}
.btn-primary:hover{background:#154b39;box-shadow:0 10px 22px rgba(28,92,70,.3)}
.btn-ghost{color:var(--brand);border-color:var(--line-strong);background:var(--surface)}
.btn-ghost:hover{border-color:var(--brand-2);background:var(--brand-soft)}
.btn-gold{background:linear-gradient(135deg,#d3a244,#b8862c);color:#241a06;box-shadow:0 8px 20px rgba(184,134,44,.32)}
.btn-gold:hover{background:linear-gradient(135deg,#e0b055,#c08f31)}
.btn-outline-light{color:#f2f7f4;border-color:rgba(255,255,255,.42);background:rgba(255,255,255,.06)}
.btn-outline-light:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.7)}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:8px}
/* ---------- Hero ---------- */
.hero{
 position:relative;
 padding:52px 0 56px;
 background:
 radial-gradient(820px 360px at 8% -12%,rgba(44,125,97,.16),transparent 70%),
 radial-gradient(700px 320px at 96% 4%,rgba(184,134,44,.13),transparent 72%),
 linear-gradient(180deg,#eef3f0 0%,#f5f6f8 100%);
 overflow:hidden;
 border-bottom:1px solid var(--line);
}
.hero-head{max-width:820px}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:5px 13px;border-radius:999px;
 font-size:12.5px;font-weight:600;letter-spacing:.04em;
 background:var(--brand-soft);color:var(--brand);
 border:1px solid rgba(28,92,70,.16);
}
.hero h1{
 margin:18px 0 14px;
 font-size:clamp(26px,3.4vw,38px);
 line-height:1.32;
 font-weight:800;
 color:var(--ink);
 letter-spacing:.005em;
}
.hero-sub{font-size:15.5px;line-height:1.85;color:var(--ink-soft);max-width:720px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.tag{
 display:inline-flex;align-items:center;
 padding:5px 13px;border-radius:999px;
 font-size:13px;font-weight:600;
 background:var(--surface);color:var(--ink-soft);
 border:1px solid var(--line-strong);
 box-shadow:var(--shadow-s);
}
.tag-gold{background:var(--gold-soft);color:#8a6214;border-color:rgba(184,134,44,.28)}
/* before / after */
.ba-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:32px}
.ba-card{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius-l);
 padding:24px 24px 20px;
 box-shadow:var(--shadow);
 transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.ba-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-l);border-color:var(--line-strong)}
.ba-before{position:relative}
.ba-after{border-color:rgba(28,92,70,.26);background:linear-gradient(180deg,#ffffff 0%,#f3f9f5 100%)}
.ba-badge{
 display:inline-block;padding:3px 11px;border-radius:999px;
 font-size:12px;font-weight:700;letter-spacing:.03em;
 background:#f0eef0;color:#77707c;
}
.ba-badge-gold{background:var(--brand);color:#eaf6f0}
.ba-head h2{margin-top:12px;font-size:19px;font-weight:800;color:var(--ink);line-height:1.45}
.ba-list{margin-top:16px;display:grid;gap:11px}
.ba-list li{
 position:relative;padding-left:24px;
 font-size:14.5px;line-height:1.72;color:var(--ink-soft);
}
.ba-list li::before{
 content:"";position:absolute;left:2px;top:9px;
 width:9px;height:9px;border-radius:3px;
 background:var(--line-strong);
}
.ba-after .ba-list li::before{background:var(--brand-2);border-radius:50%}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
/* ---------- Sections ---------- */
.section{padding:66px 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-kicker{
 display:inline-flex;align-items:center;gap:9px;
 font-size:12.5px;font-weight:700;letter-spacing:.12em;
 color:var(--brand);text-transform:uppercase;
}
.sec-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--gold)}
.sec-title{margin-top:12px;font-size:clamp(22px,2.5vw,29px);line-height:1.4;font-weight:800;color:var(--ink)}
.sec-desc{margin-top:12px;font-size:15px;line-height:1.85;color:var(--muted)}
/* ---------- 失误对照 ---------- */
.diag-list{display:grid;gap:12px}
.diag-row{
 display:grid;grid-template-columns:1fr 44px 1fr;
 align-items:center;gap:16px;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:18px 22px;
 box-shadow:var(--shadow-s);
 transition:border-color var(--t),box-shadow var(--t),transform var(--t);
}
.diag-row:hover{border-color:var(--line-strong);box-shadow:var(--shadow);transform:translateY(-2px)}
.diag-wrong{font-size:14.5px;line-height:1.72;color:var(--ink-soft)}
.diag-wrong b{display:block;font-size:12.5px;font-weight:700;letter-spacing:.08em;color:#9a5560;margin-bottom:4px}
.diag-arrow{display:grid;place-items:center;color:var(--brand-2);font-size:18px;font-weight:700}
.diag-right{font-size:14.5px;line-height:1.72;color:var(--ink)}
.diag-right b{display:block;font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--brand);margin-bottom:4px}
/* ---------- 技巧卡片 ---------- */
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tech-card{
 display:flex;flex-direction:column;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius-l);
 overflow:hidden;
 box-shadow:var(--shadow-s);
 transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.tech-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-l);border-color:var(--line-strong)}
.tech-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#dfe6e2}
.tech-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease}
.tech-card:hover .tech-thumb img{transform:scale(1.04)}
.tech-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.tech-title{font-size:17px;font-weight:800;color:var(--ink);line-height:1.45}
.tech-text{font-size:14px;line-height:1.78;color:var(--muted);flex:1}
.tech-tag{
 align-self:flex-start;
 padding:4px 11px;border-radius:999px;
 font-size:12px;font-weight:700;
 background:var(--brand-soft);color:var(--brand);
 border:1px solid rgba(28,92,70,.14);
}
/* ---------- 阶段流程 ---------- */
.phases{
 display:grid;grid-template-columns:repeat(3,1fr);gap:0;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius-l);
 overflow:hidden;
 box-shadow:var(--shadow);
}
.phase{
 padding:30px 28px 32px;
 border-right:1px solid var(--line);
 transition:background var(--t);
}
.phase:last-child{border-right:0}
.phase:hover{background:#f7faf8}
.phase-num{
 font-size:34px;font-weight:800;line-height:1;
 color:var(--brand);
 opacity:.28;
 letter-spacing:-.02em;
}
.phase-title{margin-top:14px;font-size:18px;font-weight:800;color:var(--ink)}
.phase-text{margin-top:9px;font-size:14.5px;line-height:1.8;color:var(--muted)}
.phase-meta{margin-top:14px;display:flex;flex-wrap:wrap;gap:7px}
.phase-meta span{
 font-size:12px;font-weight:600;color:var(--ink-soft);
 background:var(--bg);
 border:1px solid var(--line);
 border-radius:999px;padding:3px 10px;
}
/* ---------- 数据条 ---------- */
.stats{
 display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.stat{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:22px 20px;
 box-shadow:var(--shadow-s);
 transition:transform var(--t),box-shadow var(--t);
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.stat-num{font-size:30px;font-weight:800;color:var(--brand);line-height:1.15;letter-spacing:-.01em}
.stat-num small{font-size:14px;font-weight:700;color:var(--muted);margin-left:3px}
.stat-label{margin-top:8px;font-size:13.5px;line-height:1.62;color:var(--muted)}
/* ---------- 图文区 ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center}
.split-media{
 border-radius:var(--radius-l);
 overflow:hidden;
 border:1px solid var(--line);
 box-shadow:var(--shadow-l);
}
.split-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.split-body h2{margin-top:12px;font-size:clamp(22px,2.4vw,28px);font-weight:800;color:var(--ink);line-height:1.42}
.split-body p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--ink-soft)}
.point-list{margin-top:20px;display:grid;gap:12px}
.point-list li{
 position:relative;padding-left:30px;
 font-size:14.5px;line-height:1.75;color:var(--ink-soft);
}
.point-list li::before{
 content:"";position:absolute;left:0;top:6px;
 width:16px;height:16px;border-radius:5px;
 background:var(--brand-soft);
 border:1px solid rgba(28,92,70,.25);
}
.point-list li::after{
 content:"";position:absolute;left:5px;top:11px;
 width:6px;height:6px;border-radius:2px;background:var(--brand-2);
}
/* ---------- 原则列表 ---------- */
.rules-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start}
.rules{display:grid;gap:16px}
.rule{
 display:grid;grid-template-columns:46px 1fr;gap:16px;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:20px 22px;
 box-shadow:var(--shadow-s);
 transition:border-color var(--t),box-shadow var(--t),transform var(--t);
}
.rule:hover{border-color:var(--line-strong);box-shadow:var(--shadow);transform:translateY(-2px)}
.rule-num{
 width:46px;height:46px;border-radius:12px;
 display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand);
 font-size:16px;font-weight:800;
 border:1px solid rgba(28,92,70,.16);
}
.rule h3{font-size:16.5px;font-weight:800;color:var(--ink);line-height:1.5}
.rule p{margin-top:6px;font-size:14px;line-height:1.78;color:var(--muted)}
/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:900px}
.faq details{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 box-shadow:var(--shadow-s);
 transition:border-color var(--t),box-shadow var(--t);
}
.faq details[open]{border-color:rgba(28,92,70,.28);box-shadow:var(--shadow)}
.faq summary{
 list-style:none;cursor:pointer;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:18px 22px;
 font-size:15.5px;font-weight:700;color:var(--ink);
 border-radius:var(--radius);
 transition:color var(--t),background var(--t);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--brand);background:#f8faf9}
.faq summary::after{
 content:"+";flex:0 0 auto;
 width:26px;height:26px;border-radius:8px;
 display:grid;place-items:center;
 font-size:17px;font-weight:700;line-height:1;
 color:var(--brand);background:var(--brand-soft);
 border:1px solid rgba(28,92,70,.14);
 transition:transform var(--t);
}
.faq details[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-answer{padding:0 22px 20px;font-size:14.5px;line-height:1.85;color:var(--ink-soft)}
/* ---------- CTA ---------- */
.cta-band{
 position:relative;
 margin:0 0 -1px;
 padding:56px 0;
 color:#f0f7f3;
 background:
 linear-gradient(125deg,rgba(11,34,27,.94) 0%,rgba(23,72,55,.9) 100%),
 url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
 overflow:hidden;
}
.cta-band::after{
 content:"";position:absolute;right:-80px;top:-100px;width:320px;height:320px;border-radius:50%;
 background:radial-gradient(circle,rgba(211,162,68,.26),transparent 68%);pointer-events:none;
}
.cta-inner{display:grid;grid-template-columns:1.35fr .65fr;gap:32px;align-items:center;position:relative;z-index:1}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.42;color:#fff}
.cta-inner p{margin-top:12px;font-size:15px;line-height:1.85;color:#cfe1d8;max-width:640px}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}
.cta-actions .btn{width:100%}
/* ---------- Footer ---------- */
.site-footer{background:var(--brand-deep);color:#b9cdc4;padding:56px 0 26px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand .logo-name{color:#ffffff}
.footer-brand .logo-sub{color:#7f9a8e}
.footer-brand .logo-mark{box-shadow:none}
.footer-about{margin-top:16px;font-size:13.5px;line-height:1.85;color:#9db4a9;max-width:320px}
.footer-title{font-size:14px;font-weight:700;color:#e6f1eb;margin-bottom:14px;letter-spacing:.02em}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:13.5px;color:#a7bdb2;transition:color var(--t),transform var(--t)}
.footer-links a:hover{color:#ffffff;transform:translateX(2px)}
.footer-copy{
 margin-top:36px;padding-top:20px;
 border-top:1px solid rgba(255,255,255,.12);
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 font-size:12.5px;color:#8aa296;
}
/* ---------- Responsive ---------- */
@media (max-width:1024px){
 .tech-grid{grid-template-columns:repeat(2,1fr)}
 .stats{grid-template-columns:repeat(2,1fr)}
 .split{grid-template-columns:1fr;gap:26px}
 .rules-wrap{grid-template-columns:1fr;gap:26px}
 .cta-inner{grid-template-columns:1fr;gap:24px}
 .cta-actions{flex-direction:row;flex-wrap:wrap}
 .cta-actions .btn{width:auto}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:900px){
 .nav-toggle{display:inline-flex}
 .nav-cta{display:none}
 .main-nav{
  position:absolute;top:64px;left:0;right:0;
  display:none;flex-direction:column;align-items:stretch;gap:2px;
  background:var(--surface);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow);
  padding:12px 16px 16px;
 }
 .main-nav.is-open{display:flex}
 .main-nav a{padding:11px 12px;font-size:15px}
 .ba-grid{grid-template-columns:1fr}
 .phases{grid-template-columns:1fr}
 .phase{border-right:0;border-bottom:1px solid var(--line)}
 .phase:last-child{border-bottom:0}
 .diag-row{grid-template-columns:1fr;gap:10px}
 .diag-arrow{justify-content:flex-start;transform:rotate(90deg)}
}
@media (max-width:640px){
 .container{padding:0 18px}
 .hero{padding:36px 0 42px}
 .section{padding:46px 0}
 .tech-grid{grid-template-columns:1fr}
 .stats{grid-template-columns:1fr 1fr;gap:12px}
 .stat{padding:18px 16px}
 .stat-num{font-size:25px}
 .ba-card{padding:20px 18px}
 .faq summary{padding:15px 16px;font-size:14.5px}
 .faq-answer{padding:0 16px 18px}
 .cta-band{padding:42px 0}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .footer-copy{flex-direction:column;align-items:flex-start}
 .btn{width:100%}
 .hero-actions .btn,.cta-actions .btn{width:100%}
}
@media (max-width:400px){
 .stats{grid-template-columns:1fr}
}

/* roulang page: category3 */
:root{
 --ink:#14171c;
 --ink-soft:#39404b;
 --muted:#6b7381;
 --line:#e4e7ed;
 --line-strong:#cdd4de;
 --bg:#f5f6f8;
 --bg-alt:#eef2ef;
 --surface:#ffffff;
 --brand:#1c5c46;
 --brand-2:#2c7d61;
 --brand-deep:#12261f;
 --brand-soft:#e9f2ed;
 --gold:#b8862c;
 --gold-soft:#fbf3e2;
 --radius-s:8px;
 --radius:12px;
 --radius-l:18px;
 --radius-xl:22px;
 --shadow-s:0 1px 2px rgba(20,23,28,.05);
 --shadow:0 6px 18px rgba(20,23,28,.07);
 --shadow-l:0 16px 40px rgba(20,23,28,.13);
 --container:1160px;
 --t:.2s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 font-size:15.5px;
 line-height:1.78;
 color:var(--ink-soft);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,dl,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;border-radius:var(--radius-s)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:transparent}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-deep);color:#c7ddd3;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:38px;flex-wrap:wrap}
.topbar-note{display:inline-flex;align-items:center;gap:8px;letter-spacing:.01em}
.topbar-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#7fd4ad;box-shadow:0 0 0 3px rgba(127,212,173,.18)}
.topbar-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.topbar-links a{color:#c7ddd3;transition:color var(--t)}
.topbar-links a:hover{color:#ffffff}
.topbar-cta{color:#f4e2b8 !important;font-weight:600}
/* ---------- 主导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(255,255,255,.95);
 backdrop-filter:saturate(180%) blur(10px);
 border-bottom:1px solid var(--line);
 transition:box-shadow var(--t);
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(20,23,28,.09)}
.nav-inner{position:relative;display:flex;align-items:center;gap:20px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
 width:34px;height:34px;border-radius:10px;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 color:#fff;font-size:15px;font-weight:800;
 display:grid;place-items:center;
 box-shadow:0 4px 10px rgba(28,92,70,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.logo-sub{font-size:11px;color:var(--muted);letter-spacing:.14em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
 position:relative;padding:8px 13px;border-radius:8px;
 font-size:14.5px;font-weight:500;color:var(--ink-soft);
 transition:background var(--t),color var(--t);
}
.main-nav a:hover{background:var(--brand-soft);color:var(--brand)}
.main-nav a.active{color:var(--brand);font-weight:700;background:var(--brand-soft)}
.nav-cta{flex:0 0 auto}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:10px;
 border:1px solid var(--line);align-items:center;justify-content:center;margin-left:8px;
 background:var(--surface);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:var(--t)}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:var(--t)
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 22px;border-radius:9px;font-size:14.5px;font-weight:600;
 line-height:1.4;white-space:nowrap;border:1px solid transparent;
 transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(28,92,70,.24)}
.btn-primary:hover{background:#154b39;box-shadow:0 10px 22px rgba(28,92,70,.3)}
.btn-gold{background:linear-gradient(135deg,#d3a244,#b8862c);color:#241a06;box-shadow:0 8px 20px rgba(184,134,44,.32)}
.btn-gold:hover{background:linear-gradient(135deg,#e0b055,#c08f31)}
.btn-outline-light{color:#f2f7f4;border-color:rgba(255,255,255,.42);background:rgba(255,255,255,.06)}
.btn-outline-light:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.7)}
.btn-ghost{color:var(--brand);border-color:var(--line-strong);background:var(--surface)}
.btn-ghost:hover{border-color:var(--brand-2);background:var(--brand-soft)}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:8px}
/* ---------- 分类首屏 ---------- */
.page-hero{
 position:relative;
 padding:54px 0 62px;
 color:#eef5f1;
 background:
 linear-gradient(122deg,rgba(11,34,27,.95) 0%,rgba(22,68,52,.86) 60%,rgba(23,72,55,.78) 100%),
 url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
 overflow:hidden;
}
.page-hero::after{
 content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;
 background:radial-gradient(circle,rgba(211,162,68,.22),transparent 68%);pointer-events:none;
}
.hero-grid{
 position:relative;z-index:2;
 display:grid;
 grid-template-columns:minmax(0,1.48fr) minmax(0,1fr);
 gap:36px;
 align-items:center;
}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:5px 13px;border-radius:999px;
 font-size:12.5px;font-weight:600;letter-spacing:.04em;
 background:rgba(255,255,255,.14);color:#e8f3ed;border:1px solid rgba(255,255,255,.22);
}
.page-hero h1{
 margin:18px 0 16px;
 font-size:clamp(27px,3.4vw,40px);
 line-height:1.3;
 font-weight:800;
 color:#ffffff;
 letter-spacing:.005em;
}
.hero-lead{font-size:15.5px;line-height:1.85;color:#cfe0d7;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.hero-tags span{
 padding:5px 13px;border-radius:999px;
 background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
 font-size:12.5px;color:#e6f1eb;
}
.hero-panel{
 background:rgba(255,255,255,.08);
 border:1px solid rgba(255,255,255,.22);
 border-radius:var(--radius-l);
 padding:24px 22px;
 backdrop-filter:blur(6px);
 box-shadow:0 18px 40px rgba(0,0,0,.18);
}
.panel-title{font-size:13px;letter-spacing:.1em;color:#cfe3d9;font-weight:700;margin-bottom:12px;text-transform:uppercase}
.panel-row{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px dashed rgba(255,255,255,.16);font-size:14px}
.panel-row:last-of-type{border-bottom:0}
.panel-label{color:#b7cec3}
.panel-value{color:#fff;font-weight:700;text-align:right}
.nearby{margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.18)}
.nearby-title{font-size:12.5px;letter-spacing:.08em;color:#a9c4b8;margin-bottom:10px}
.nearby-links{display:flex;flex-wrap:wrap;gap:8px}
.nearby-links a{
 padding:5px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.28);
 font-size:13px;color:#eaf4ee;transition:background var(--t),border-color var(--t),transform var(--t);
}
.nearby-links a:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.55);transform:translateY(-1px)}
/* ---------- 板块通用 ---------- */
.section{padding:64px 0}
.section-alt{background:var(--bg-alt)}
.section-tint{background:linear-gradient(180deg,#f7f8fa 0%,#ffffff 100%)}
.section-head{max-width:760px;margin-bottom:32px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{
 display:inline-flex;align-items:center;gap:9px;
 font-size:12.5px;font-weight:700;letter-spacing:.09em;
 color:var(--brand);text-transform:uppercase;
}
.kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand-2)}
.section-head.center .kicker::after{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand-2)}
.sec-title{
 font-size:clamp(22px,2.5vw,29px);
 font-weight:800;color:var(--ink);
 margin:12px 0 10px;line-height:1.36;
}
.sec-desc{color:var(--muted);font-size:15px;line-height:1.8}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
/* ---------- 卡片 ---------- */
.card{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 box-shadow:var(--shadow-s);
 overflow:hidden;
 display:flex;flex-direction:column;
 transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-l);border-color:var(--line-strong)}
.card-media{aspect-ratio:16/9;overflow:hidden;background:#dfe6e1}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:17px;font-weight:700;color:var(--ink);line-height:1.45}
.card-text{font-size:14.5px;color:var(--muted);line-height:1.75}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:4px}
.tag{
 display:inline-flex;align-items:center;
 padding:3px 10px;border-radius:999px;
 background:var(--brand-soft);color:var(--brand);
 font-size:12.5px;font-weight:600;
}
.tag-gold{background:var(--gold-soft);color:#8a6318}
.tag-line{background:transparent;border:1px solid var(--line-strong);color:var(--muted)}
/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:36px;align-items:center}
.split.reverse .split-media{order:2}
.split-media img{
 width:100%;aspect-ratio:16/11;object-fit:cover;
 border-radius:var(--radius-l);box-shadow:var(--shadow);
}
.split-body .sec-title{margin-top:10px}
.split-body p{color:var(--muted);font-size:15px;line-height:1.8}
/* ---------- 核对清单 ---------- */
.check-list{display:grid;gap:14px;margin-top:22px}
.check-item{
 display:flex;gap:13px;align-items:flex-start;
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:16px 18px;
 box-shadow:var(--shadow-s);
 transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.check-item:hover{border-color:var(--brand-2);transform:translateY(-2px);box-shadow:var(--shadow)}
.check-ico{
 flex:0 0 auto;width:27px;height:27px;border-radius:9px;
 background:var(--brand-soft);color:var(--brand);
 display:grid;place-items:center;font-size:13px;font-weight:800;
}
.check-item h3{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:4px;line-height:1.5}
.check-item p{font-size:14px;color:var(--muted);line-height:1.72}
/* ---------- 安装步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.step{
 position:relative;
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:22px 18px 20px;
 box-shadow:var(--shadow-s);
 transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.step-num{
 width:32px;height:32px;border-radius:10px;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 color:#fff;font-weight:800;font-size:14px;
 display:grid;place-items:center;margin-bottom:12px;
 box-shadow:0 4px 10px rgba(28,92,70,.24);
}
.step h3{font-size:15.5px;font-weight:700;color:var(--ink);margin-bottom:6px;line-height:1.5}
.step p{font-size:13.8px;color:var(--muted);line-height:1.72}
/* ---------- 更新记录 ---------- */
.log-list{display:grid;gap:12px}
.log-item{
 display:flex;align-items:flex-start;gap:16px;
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:18px 20px;
 box-shadow:var(--shadow-s);
 transition:border-color var(--t),box-shadow var(--t),transform var(--t);
}
.log-item:hover{border-color:var(--brand-2);box-shadow:var(--shadow);transform:translateY(-2px)}
.log-ver{
 flex:0 0 auto;
 min-width:66px;text-align:center;
 padding:5px 10px;border-radius:8px;
 background:var(--brand-deep);color:#d8e9e1;
 font-size:13px;font-weight:700;letter-spacing:.03em;
}
.log-body{flex:1;min-width:0}
.log-body strong{display:block;font-size:15.5px;color:var(--ink);margin-bottom:4px}
.log-body p{font-size:14px;color:var(--muted);line-height:1.72}
.log-tag{
 flex:0 0 auto;padding:3px 10px;border-radius:999px;
 background:var(--gold-soft);color:#8a6318;font-size:12.5px;font-weight:600;
}
/* ---------- 数据条 ---------- */
.stat-strip{
 display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
 gap:1px;background:var(--line);
 border:1px solid var(--line);border-radius:var(--radius-l);
 overflow:hidden;box-shadow:var(--shadow-s);
}
.stat-cell{background:var(--surface);padding:24px 20px;text-align:center}
.stat-num{font-size:clamp(22px,2.4vw,28px);font-weight:800;color:var(--brand);line-height:1.2}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:6px}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);box-shadow:var(--shadow-s);
 padding:0 20px;
 transition:border-color var(--t),box-shadow var(--t);
}
.faq-item[open]{border-color:var(--brand-2);box-shadow:var(--shadow)}
.faq-item summary{
 list-style:none;cursor:pointer;position:relative;
 padding:16px 34px 16px 0;
 font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";position:absolute;right:0;top:14px;
 font-size:20px;line-height:1;color:var(--brand);font-weight:600;
 transition:transform var(--t);
}
.faq-item[open] summary::after{content:"−"}
.faq-body{padding:0 0 18px;font-size:14.5px;color:var(--muted);line-height:1.8}
/* ---------- 收口 CTA ---------- */
.cta-band{
 background:
 linear-gradient(120deg,rgba(12,38,30,.96),rgba(28,92,70,.92)),
 url('/assets/images/backpic/back-6.webp') center/cover no-repeat;
 border-radius:var(--radius-xl);
 padding:42px;
 display:flex;align-items:center;justify-content:space-between;
 gap:26px;flex-wrap:wrap;color:#fff;
 box-shadow:var(--shadow-l);
}
.cta-band h2{font-size:clamp(20px,2.2vw,27px);font-weight:800;margin-bottom:8px;line-height:1.4}
.cta-band p{color:#cfe0d7;font-size:14.5px;max-width:560px;line-height:1.78}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#b9cdc4;padding:56px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand .logo-name{color:#fff}
.footer-brand .logo-sub{color:#8fae9f}
.footer-about{margin-top:14px;font-size:14px;line-height:1.8;color:#a7bdb2;max-width:330px}
.footer-title{font-size:14.5px;color:#fff;font-weight:700;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{font-size:14px;color:#a7bdb2;transition:color var(--t),transform var(--t)}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-copy{
 margin-top:36px;padding-top:18px;
 border-top:1px solid rgba(255,255,255,.12);
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:13px;color:#8ea79b;
}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:minmax(0,1fr);gap:28px}
 .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
 .steps{grid-template-columns:repeat(3,minmax(0,1fr))}
 .split{grid-template-columns:minmax(0,1fr);gap:26px}
 .split.reverse .split-media{order:0}
 .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
}
@media (max-width:900px){
 .nav-toggle{display:inline-flex}
 .main-nav{
  position:absolute;top:calc(100% + 1px);left:0;right:0;
  flex-direction:column;align-items:stretch;gap:2px;
  padding:10px 16px 16px;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow);
  display:none;
 }
 .main-nav.is-open{display:flex}
 .main-nav a{padding:11px 12px;font-size:15px}
 .logo-sub{display:none}
 .nav-cta{padding:7px 13px;font-size:13px}
 .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
 .section{padding:52px 0}
 .page-hero{padding:40px 0 48px}
 .cta-band{padding:32px 26px}
}
@media (max-width:768px){
 .grid-2,.grid-3,.grid-4{grid-template-columns:minmax(0,1fr)}
 .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
 .log-item{flex-wrap:wrap;gap:10px}
 .log-ver{min-width:0}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .nav-inner{gap:10px}
 .logo-name{font-size:16px}
 .nav-cta{display:none}
 .hero-actions .btn{flex:1 1 100%}
 .steps{grid-template-columns:minmax(0,1fr)}
 .footer-grid{grid-template-columns:minmax(0,1fr)}
 .cta-band{padding:26px 20px;border-radius:var(--radius)}
 .section{padding:44px 0}
 .topbar-links{gap:12px}
}