/* roulang page: index */
:root{
  --c-brand:#0F7A55;
  --c-brand-ink:#0A5A3E;
  --c-brand-soft:#E6F3EC;
  --c-accent:#FF6A2B;
  --c-lime:#CBFF3D;
  --c-ink:#0B0F0D;
  --c-ink-2:#1B2320;
  --c-text:#39433E;
  --c-muted:#78857E;
  --c-bg:#F4F6F2;
  --c-surface:#FFFFFF;
  --c-line:#E2E8E0;
  --c-dark:#0C1411;
  --c-dark-2:#13201B;
  --c-dark-text:#D8E4DD;
  --c-dark-line:rgba(255,255,255,.10);
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-tag:6px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(11,15,13,.04),0 8px 24px rgba(11,15,13,.06);
  --sh-2:0 12px 32px rgba(15,122,85,.14);
  --sh-nav:0 6px 20px rgba(11,15,13,.08);
  --num-font:"Barlow Condensed","Oswald",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sp-section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input{font-family:inherit;font-size:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.num{font-family:var(--num-font);font-variant-numeric:tabular-nums;letter-spacing:.5px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-pill{border-radius:999px}
.btn-primary{background:var(--c-brand);color:#fff}
.btn-primary:hover{background:var(--c-brand-ink);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;border-color:var(--c-brand);color:var(--c-brand)}
.btn-outline:hover{background:var(--c-brand);color:#fff}
.btn-ghost{background:var(--c-brand-soft);color:var(--c-brand)}
.btn-ghost:hover{background:#d6ebe0;transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--c-brand-ink)}
.btn-light:hover{background:var(--c-brand-soft)}
.btn-link{display:inline-flex;align-items:center;gap:8px;color:var(--c-brand);font-weight:600;min-height:44px}
.btn-link .arrow{transition:transform .2s ease}
.btn-link:hover .arrow{transform:translateX(4px)}

/* ============ 标签 ============ */
.sec-label{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.5px;
  color:var(--c-brand);background:var(--c-brand-soft);
  padding:5px 10px;border-radius:var(--r-tag);
}
.tag{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.5px;
  padding:4px 9px;border-radius:var(--r-tag);
  background:var(--c-brand-soft);color:var(--c-brand);
}
.tag-accent{background:rgba(255,106,43,.12);color:var(--c-accent)}
.tag-dark{background:rgba(255,255,255,.10);color:#fff}

/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:var(--c-surface)}
.brandrow{
  height:56px;overflow:hidden;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:height .22s ease,opacity .22s ease,border-color .22s ease;
}
.site-header.is-scrolled .brandrow{height:0;opacity:0;border-bottom-color:transparent}
.brandrow-inner{display:flex;align-items:center;gap:20px;height:56px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{display:inline-flex;flex-direction:column;gap:3px;width:24px}
.logo-mark i{display:block;height:4px;border-radius:2px;background:var(--c-brand)}
.logo-mark i:nth-child(1){width:100%}
.logo-mark i:nth-child(2){width:70%;background:var(--c-accent)}
.logo-mark i:nth-child(3){width:45%}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-.3px;color:var(--c-ink)}
.nav-search{
  position:relative;display:flex;align-items:center;flex:0 1 320px;
  height:38px;border:1px solid var(--c-line);border-radius:var(--r-input);
  background:var(--c-bg);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--c-brand);box-shadow:0 0 0 2px rgba(15,122,85,.15)}
.nav-search input{flex:1;height:100%;border:0;background:transparent;padding:0 12px;font-size:14px;outline:none}
.nav-search input::placeholder{color:var(--c-muted)}
.nav-search button{width:44px;height:100%;display:flex;align-items:center;justify-content:center;color:var(--c-brand)}
.nav-search button svg{width:18px;height:18px}
.hotwords{display:flex;align-items:center;gap:14px;flex:1;overflow-x:auto;scrollbar-width:none}
.hotwords::-webkit-scrollbar{display:none}
.hotword{position:relative;font-size:13px;color:var(--c-muted);white-space:nowrap;padding:6px 0}
.hotword::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--c-lime);transform:scaleX(0);transition:transform .2s ease}
.hotword:hover{color:var(--c-brand)}
.hotword:hover::after{transform:scaleX(1)}
.nav-contact{font-size:13px;font-weight:600;color:var(--c-brand);white-space:nowrap;flex:none}
.nav-contact:hover{color:var(--c-brand-ink)}
.nav-burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;color:var(--c-ink)}
.nav-burger svg{width:22px;height:22px}

.channelbar{position:relative;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow .22s ease}
.site-header.is-scrolled .channelbar{box-shadow:var(--sh-nav)}
.channelbar-inner{position:relative;display:flex;align-items:center;gap:24px}
.channels{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;flex:1}
.channels::-webkit-scrollbar{display:none}
.channel{
  position:relative;display:inline-flex;align-items:center;height:48px;padding:0 14px;
  font-size:14px;color:var(--c-text);white-space:nowrap;transition:background .2s ease,color .2s ease;
}
.channel:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.channel.is-active{color:var(--c-brand);font-weight:700}
.channel.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;background:var(--c-lime)}
.nav-progress{position:absolute;left:0;bottom:-1px;height:3px;width:0;background:var(--c-brand);z-index:2;transition:width .12s linear}

/* 抽屉 */
.nav-mask{position:fixed;inset:0;background:rgba(11,15,13,.42);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:90}
.nav-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;background:var(--c-surface);
  transform:translateX(100%);transition:transform .28s cubic-bezier(.22,.61,.36,1);
  z-index:95;padding:20px;overflow-y:auto;box-shadow:-8px 0 32px rgba(11,15,13,.16);
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-title{font-size:15px;font-weight:800;color:var(--c-ink)}
.drawer-close{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border:1px solid var(--c-line);border-radius:50%;color:var(--c-text)}
.drawer-search{display:flex;align-items:center;height:42px;border:1px solid var(--c-line);border-radius:var(--r-input);background:var(--c-bg);margin-bottom:18px;overflow:hidden}
.drawer-search input{flex:1;height:100%;border:0;background:transparent;padding:0 12px;font-size:14px;outline:none}
.drawer-search button{width:42px;height:100%;display:flex;align-items:center;justify-content:center;color:var(--c-brand)}
.drawer-group-title{font-size:12px;font-weight:700;letter-spacing:.5px;color:var(--c-muted);margin:18px 0 10px}
.drawer-links{display:flex;flex-direction:column;gap:2px}
.drawer-links a{display:block;padding:12px 12px;font-size:15px;border-radius:var(--r-btn);color:var(--c-text);border-left:3px solid transparent}
.drawer-links a.is-active{border-left-color:var(--c-brand);color:var(--c-brand);background:var(--c-brand-soft);font-weight:700}
.drawer-links a:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px}
.drawer-tags a{font-size:12px;padding:6px 10px;border-radius:var(--r-tag);background:var(--c-bg);color:var(--c-muted)}
.drawer-tags a:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.drawer-contact{margin-top:22px;padding:16px;border-radius:var(--r-card);background:var(--c-brand-soft);font-size:14px;color:var(--c-brand-ink)}

/* ============ Hero ============ */
.hero{padding:64px 0 var(--sp-section);background:var(--c-bg)}
.hero-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center}
.hero-copy{grid-column:span 6}
.hero-title{
  font-size:clamp(30px,4.6vw,54px);font-weight:800;line-height:1.15;letter-spacing:-.5px;
  color:var(--c-ink);margin:16px 0 18px;
}
.hero-title .hl{color:var(--c-brand);position:relative;white-space:nowrap}
.hero-title .hl::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:10px;background:rgba(203,255,61,.55);z-index:-1;border-radius:3px}
.hero-sub{font-size:17px;line-height:1.75;color:var(--c-text);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 22px}
.trust-tags{display:flex;flex-wrap:wrap;gap:10px}
.trust-tags li{font-size:12px;font-weight:600;letter-spacing:.3px;color:var(--c-brand-ink);background:var(--c-brand-soft);padding:6px 11px;border-radius:var(--r-tag)}
.hero-media{grid-column:span 6;position:relative;border-radius:var(--r-card);overflow:hidden;min-height:340px;border:1px solid var(--c-line);box-shadow:var(--sh-1)}
.hero-bg{width:100%;height:100%;min-height:340px;object-fit:cover;border-radius:0;position:absolute;inset:0}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(15,122,85,.62),rgba(12,20,17,.70))}
.hero-scorecard{
  position:absolute;right:20px;bottom:20px;left:20px;z-index:2;
  display:flex;gap:14px;align-items:center;background:rgba(255,255,255,.95);
  border-radius:var(--r-card);padding:14px;box-shadow:var(--sh-1);border:1px solid rgba(255,255,255,.6);
}
.hero-scorecard img{width:96px;height:68px;object-fit:cover;flex:none}
.scorecard-body{display:flex;flex-direction:column;gap:2px}
.scorecard-label{font-size:12px;font-weight:600;letter-spacing:.5px;color:var(--c-muted)}
.scorecard-nums{display:flex;align-items:baseline;gap:6px;font-family:var(--num-font);font-variant-numeric:tabular-nums}
.scorecard-nums strong{font-size:30px;font-weight:700;color:var(--c-ink);line-height:1}
.scorecard-nums i{font-style:normal;font-size:20px;color:var(--c-accent)}
.scorecard-meta{font-size:12px;color:var(--c-muted)}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:52px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);
}
.hero-stats li{display:flex;flex-direction:column;gap:4px;padding-left:16px;border-left:2px solid var(--c-brand-soft)}
.stat-num{font-family:var(--num-font);font-variant-numeric:tabular-nums;font-size:32px;font-weight:700;color:var(--c-ink);line-height:1.1}
.stat-desc{font-size:12px;color:var(--c-muted);letter-spacing:.2px}

/* ============ 通用板块 ============ */
.section{padding:var(--sp-section) 0;scroll-margin-top:120px}
.section-alt{background:var(--c-surface)}
.section-head{max-width:720px;margin-bottom:44px}
.section-title{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.25;color:var(--c-ink);margin-top:14px}
.section-desc{margin-top:12px;color:var(--c-text);font-size:16px;line-height:1.8}

/* 卖点区 */
.features-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.feature-main{grid-column:span 7;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.feature-main:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,122,85,.35)}
.feature-main img{width:100%;height:230px;object-fit:cover;border-radius:0}
.feature-main-body{padding:26px}
.feature-main-body h3{font-size:20px;font-weight:700;color:var(--c-ink);margin-bottom:10px}
.feature-main-body p{font-size:15px;line-height:1.8}
.feature-mini-wrap{grid-column:span 5;display:flex;flex-direction:column;gap:16px}
.feature-mini{display:flex;gap:14px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:18px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.feature-mini:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,122,85,.35)}
.feature-icon{flex:none;width:44px;height:44px;border-radius:var(--r-btn);background:var(--c-brand-soft);display:flex;align-items:center;justify-content:center}
.feature-icon svg{width:24px;height:24px;stroke:var(--c-brand);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.feature-mini h3{font-size:17px;font-weight:700;color:var(--c-ink);margin-bottom:6px}
.feature-mini p{font-size:14px;line-height:1.75;color:var(--c-text)}

/* 演示区 */
.demo-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.steps{grid-column:span 5;position:relative}
.steps::before{content:"";position:absolute;left:19px;top:12px;bottom:12px;width:1px;background:var(--c-line)}
.step{position:relative;display:flex;gap:18px;padding-bottom:26px}
.step:last-child{padding-bottom:0}
.step-num{
  position:relative;z-index:1;flex:none;width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;background:var(--c-surface);
  border:1px solid var(--c-line);font-family:var(--num-font);font-variant-numeric:tabular-nums;
  font-size:16px;font-weight:700;color:var(--c-accent);
}
.step-body h3{font-size:17px;font-weight:700;color:var(--c-ink);margin-bottom:6px}
.step-body p{font-size:14px;line-height:1.75;color:var(--c-text)}
.demo-visual{grid-column:span 7}
.demo-frame{border:1px solid var(--c-line);border-radius:var(--r-img);overflow:hidden;background:var(--c-bg);box-shadow:var(--sh-1)}
.demo-frame img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.demo-caption{margin-top:12px;font-size:12px;color:var(--c-muted);text-align:center}

/* 证据区 */
.proof{background:var(--c-dark);color:var(--c-dark-text);padding:var(--sp-section) 0;scroll-margin-top:120px}
.proof .section-title{color:#fff}
.proof .section-desc{color:var(--c-dark-text);opacity:.8}
.proof-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;margin-bottom:48px}
.proof-stat{grid-column:span 3;background:var(--c-dark-2);border:1px solid var(--c-dark-line);border-radius:var(--r-card);padding:24px}
.proof-stat .stat-num{color:var(--c-lime);font-size:38px}
.proof-stat .stat-desc{color:var(--c-dark-text);opacity:.75}
.partner-row{display:flex;flex-wrap:wrap;gap:12px;padding:20px 0;border-top:1px solid var(--c-dark-line);border-bottom:1px solid var(--c-dark-line);margin-bottom:44px}
.partner{font-size:13px;font-weight:600;letter-spacing:.4px;color:rgba(255,255,255,.5);border:1px solid var(--c-dark-line);border-radius:var(--r-tag);padding:9px 14px;filter:grayscale(1);transition:color .2s ease,filter .2s ease,border-color .2s ease}
.partner:hover{color:#fff;filter:grayscale(0);border-color:rgba(203,255,61,.5)}
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.quote{background:var(--c-dark-2);border:1px solid var(--c-dark-line);border-radius:var(--r-card);padding:26px}
.quote-mark{font-family:var(--num-font);font-size:40px;line-height:1;color:var(--c-lime);display:block;margin-bottom:10px}
.quote p{font-size:15px;line-height:1.85;color:var(--c-dark-text)}
.quote-by{margin-top:14px;font-size:12px;color:rgba(216,228,221,.62);letter-spacing:.3px}

/* 最新信息 */
.news-wrap{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;min-height:320px}
.news-lead{grid-column:span 7;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.news-lead:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,122,85,.35)}
.news-lead img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.news-lead-body{padding:24px}
.news-lead-body h3{font-size:20px;font-weight:700;line-height:1.45;color:var(--c-ink);margin-bottom:10px}
.news-lead-body p{font-size:15px;line-height:1.8;color:var(--c-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:12px;color:var(--c-muted)}
.news-side{grid-column:span 5;display:flex;flex-direction:column;gap:14px}
.news-item{display:flex;gap:14px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:14px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,122,85,.35)}
.news-item img{width:96px;height:72px;object-fit:cover;flex:none}
.news-item h3{font-size:15px;font-weight:700;line-height:1.5;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item .news-meta{margin-top:8px}
.news-item:hover h3,.news-lead:hover h3{color:var(--c-brand)}
.news-empty{
  grid-column:span 12;min-height:320px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);text-align:center;padding:40px;
}
.news-empty svg{width:44px;height:44px;stroke:var(--c-brand);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.news-empty p{font-size:15px;color:var(--c-muted)}
.news-foot{margin-top:32px}

/* 价格区 */
.price-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:start}
.price-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.price-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,122,85,.35)}
.price-main{grid-column:span 6;border-top:2px solid var(--c-accent);padding:34px;box-shadow:var(--sh-1)}
.price-side{grid-column:span 3;background:var(--c-bg)}
.price-name{font-size:17px;font-weight:700;color:var(--c-ink);display:flex;align-items:center;gap:10px}
.price-value{display:flex;align-items:baseline;gap:4px;margin:16px 0 6px}
.price-value .cur{font-size:16px;color:var(--c-muted)}
.price-value .amount{font-family:var(--num-font);font-variant-numeric:tabular-nums;font-size:44px;font-weight:700;color:var(--c-ink);line-height:1}
.price-value .per{font-size:13px;color:var(--c-muted)}
.price-lead{font-size:14px;color:var(--c-muted);margin-bottom:20px}
.price-list{display:flex;flex-direction:column;gap:12px;margin-bottom:26px}
.price-list li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--c-text)}
.price-list svg{flex:none;width:18px;height:18px;margin-top:3px;stroke:var(--c-brand);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.price-cta{width:100%}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease}
.faq-item.is-open{border-color:rgba(15,122,85,.35)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;padding:20px 22px;font-size:16px;font-weight:600;color:var(--c-ink);min-height:44px;
}
.faq-item.is-open .faq-q{color:var(--c-brand)}
.faq-icon{position:relative;flex:none;width:20px;height:20px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform .25s ease}
.faq-icon::before{left:0;right:0;top:9px;height:2px}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px;color:var(--c-brand)}
.faq-item.is-open .faq-icon::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;background:var(--c-brand-soft)}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a p{padding:16px 22px;font-size:15px;line-height:1.85;color:var(--c-text)}

/* CTA 带 */
.cta-band{background:var(--c-brand);border-radius:var(--r-card);padding:34px 36px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.3}
.cta-band p{color:rgba(255,255,255,.82);font-size:14px;margin-top:6px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--c-dark);color:var(--c-dark-text);padding:64px 0 28px;margin-top:var(--sp-section)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:36px;border-bottom:1px solid var(--c-dark-line)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-mark i{background:#fff}
.footer-brand .logo-mark i:nth-child(2){background:var(--c-lime)}
.footer-intro{font-size:14px;line-height:1.85;color:rgba(216,228,221,.72);max-width:340px}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(216,228,221,.72)}
.footer-links a:hover{color:#fff}
.footer-contact li{font-size:14px;color:rgba(216,228,221,.72);margin-bottom:11px;line-height:1.7}
.footer-bottom{padding-top:22px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(216,228,221,.55)}
.footer-bottom a{color:rgba(216,228,221,.75)}
.footer-bottom a:hover{color:#fff}

/* 浮动 CTA */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta .btn{box-shadow:0 12px 32px rgba(15,122,85,.28);border:1px solid var(--c-lime)}
.mobile-bar{display:none}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s cubic-bezier(.22,.61,.36,1),transform .32s cubic-bezier(.22,.61,.36,1)}
.reveal.is-visible{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 20px}
  .hero-copy,.hero-media{grid-column:span 12}
  .feature-main{grid-column:span 12}
  .feature-mini-wrap{grid-column:span 12;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
  .news-lead{grid-column:span 12}
  .news-side{grid-column:span 12}
  .price-main{grid-column:span 12}
  .price-side{grid-column:span 6}
}
@media (max-width:991px){
  :root{--sp-section:64px}
  .nav-search{display:none}
  .hotwords{display:none}
  .nav-burger{display:flex}
  .nav-contact{display:none}
  .brandrow-inner{justify-content:space-between}
  .demo-grid .steps,.demo-grid .demo-visual{grid-column:span 12}
  .proof-stat{grid-column:span 6}
  .quote-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .feature-mini-wrap{grid-template-columns:1fr}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .hero{padding:40px 0 var(--sp-section)}
  .hero-media{min-height:260px}
  .hero-bg{min-height:260px}
  .hero-scorecard{left:14px;right:14px;bottom:14px;padding:12px}
  .hero-scorecard img{width:80px;height:58px}
  .cta-band{padding:26px 22px}
  .float-cta{display:none}
  .mobile-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;gap:10px;
    padding:8px 16px;padding-bottom:calc(8px + env(safe-area-inset-bottom));
    background:rgba(255,255,255,.96);border-top:1px solid var(--c-line);box-shadow:0 -6px 20px rgba(11,15,13,.08);
  }
  .mobile-bar .btn{flex:1}
  .mobile-bar .icon-btn{
    width:56px;height:44px;flex:none;display:flex;align-items:center;justify-content:center;
    border:1px solid var(--c-brand);border-radius:var(--r-btn);color:var(--c-brand);
  }
  .mobile-bar .icon-btn svg{width:20px;height:20px}
  .site-footer{padding-bottom:96px}
  .price-side{grid-column:span 12}
}
@media (max-width:560px){
  body{font-size:15px;line-height:1.8}
  .hero-title{font-size:30px}
  .hero-stats{grid-template-columns:1fr 1fr;padding:18px;margin-top:36px}
  .stat-num{font-size:26px}
  .section-head{margin-bottom:30px}
  .news-item img{width:80px;height:62px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --c-brand:#0F7A55;
  --c-brand-ink:#0A5A3E;
  --c-brand-soft:#E6F3EC;
  --c-accent:#FF6A2B;
  --c-lime:#CBFF3D;
  --c-ink:#0B0F0D;
  --c-ink-2:#1B2320;
  --c-text:#39433E;
  --c-muted:#78857E;
  --c-bg:#F4F6F2;
  --c-surface:#FFFFFF;
  --c-line:#E2E8E0;
  --c-dark:#0C1411;
  --c-dark-2:#13201B;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-tag:6px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(11,15,13,.04), 0 8px 24px rgba(11,15,13,.06);
  --sh-2:0 12px 32px rgba(15,122,85,.14);
  --sh-nav:0 6px 20px rgba(11,15,13,.08);
  --sec:88px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Oswald","HarmonyOS Sans SC",-apple-system,"Segoe UI",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:120px}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.1px;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-brand)}
button{font-family:inherit;cursor:pointer}
input,textarea{font-family:inherit;font-size:15px}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700}
ul,ol{margin:0;padding:0}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.5px}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--c-surface);transition:box-shadow .22s ease}
.site-header.is-stuck{box-shadow:var(--sh-nav)}
.brandrow{height:56px;background:var(--c-surface);border-bottom:1px solid var(--c-line);overflow:hidden;transition:height .22s ease,border-color .22s ease}
.site-header.is-collapsed .brandrow{height:0;border-bottom-color:transparent}
.brandrow-inner{display:flex;align-items:center;gap:20px;height:56px}
.logo{display:inline-flex;align-items:center;gap:9px;flex:0 0 auto}
.logo-mark{display:inline-flex;align-items:flex-end;gap:3px;height:22px}
.logo-mark i{display:block;width:5px;background:var(--c-brand);border-radius:2px;transform:skewX(-14deg)}
.logo-mark i:nth-child(1){height:10px;background:var(--c-accent)}
.logo-mark i:nth-child(2){height:16px}
.logo-mark i:nth-child(3){height:22px}
.logo-text{font-size:18px;font-weight:800;color:var(--c-ink);letter-spacing:-.3px}
.nav-search{position:relative;flex:1 1 300px;max-width:320px}
.nav-search input{width:100%;height:40px;border:1px solid var(--c-line);border-radius:var(--r-input);background:#FBFCFA;padding:0 44px 0 14px;color:var(--c-text);outline:none;transition:border-color .18s ease,box-shadow .18s ease}
.nav-search input::placeholder{color:var(--c-muted)}
.nav-search input:focus{border-color:var(--c-brand);box-shadow:0 0 0 2px rgba(15,122,85,.15)}
.nav-search button{position:absolute;right:6px;top:6px;width:28px;height:28px;border:0;background:transparent;color:var(--c-muted);display:flex;align-items:center;justify-content:center;border-radius:8px}
.nav-search button:hover{color:var(--c-brand);background:var(--c-brand-soft)}
.nav-search svg{width:18px;height:18px}
.hotwords{display:flex;align-items:center;gap:6px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none}
.hotwords::-webkit-scrollbar{display:none}
.hotword{font-size:12px;font-weight:600;letter-spacing:.5px;color:var(--c-muted);padding:5px 9px;border-radius:var(--r-tag);white-space:nowrap;border-bottom:2px solid transparent}
.hotword:hover{color:var(--c-brand);border-bottom-color:var(--c-lime)}
.nav-contact{flex:0 0 auto;font-size:13px;font-weight:600;color:var(--c-brand);border:1px solid rgba(15,122,85,.35);border-radius:999px;padding:8px 16px;min-height:36px;display:inline-flex;align-items:center}
.nav-contact:hover{background:var(--c-brand);color:#fff;border-color:var(--c-brand)}
.nav-burger{display:none;width:40px;height:40px;border:1px solid var(--c-line);background:var(--c-surface);border-radius:var(--r-btn);color:var(--c-ink);align-items:center;justify-content:center}
.nav-burger svg{width:20px;height:20px}
.channelbar{position:relative;background:var(--c-surface);border-bottom:1px solid var(--c-line)}
.channelbar-inner{display:flex;align-items:center;position:relative}
.nav-progress{position:absolute;left:0;bottom:-1px;height:3px;width:0;background:var(--c-brand);z-index:3;transition:width .08s linear}
.channels{display:flex;align-items:center;gap:2px;list-style:none;overflow-x:auto;scrollbar-width:none;width:100%}
.channels::-webkit-scrollbar{display:none}
.channel{position:relative;display:inline-flex;align-items:center;height:48px;padding:0 14px;font-size:14px;font-weight:500;color:var(--c-text);white-space:nowrap;border-radius:8px 8px 0 0}
.channel:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.channel.is-active{color:var(--c-brand);font-weight:700}
.channel.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;background:var(--c-lime);border-radius:2px}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(11,15,13,.45);opacity:0;pointer-events:none;transition:opacity .22s ease;z-index:90}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:var(--c-surface);z-index:95;transform:translateX(102%);transition:transform .26s cubic-bezier(.22,.61,.36,1);padding:20px;overflow-y:auto;box-shadow:-10px 0 30px rgba(11,15,13,.12)}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-title{font-size:15px;font-weight:800;color:var(--c-ink)}
.drawer-close{width:36px;height:36px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:var(--c-surface);color:var(--c-ink);display:flex;align-items:center;justify-content:center}
.drawer-search{display:flex;gap:8px;margin-bottom:20px}
.drawer-search input{flex:1;height:44px;border:1px solid var(--c-line);border-radius:var(--r-input);padding:0 12px;outline:none}
.drawer-search input:focus{border-color:var(--c-brand);box-shadow:0 0 0 2px rgba(15,122,85,.15)}
.drawer-search button{height:44px;padding:0 16px;border:0;border-radius:var(--r-btn);background:var(--c-brand);color:#fff;font-weight:600;font-size:14px}
.drawer-label{font-size:12px;font-weight:700;letter-spacing:.5px;color:var(--c-muted);margin:18px 0 10px}
.drawer-list{list-style:none;display:flex;flex-direction:column;gap:2px}
.drawer-list a{display:block;padding:12px 12px;font-size:15px;color:var(--c-text);border-radius:var(--r-btn);border-left:3px solid transparent}
.drawer-list a:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.drawer-list a.is-active{color:var(--c-brand);font-weight:700;border-left-color:var(--c-brand);background:var(--c-brand-soft)}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px}
.drawer-tags a{font-size:12px;font-weight:600;color:var(--c-brand);background:var(--c-brand-soft);border-radius:var(--r-tag);padding:6px 10px}
.drawer-contact{margin-top:24px;border:1px solid var(--c-line);border-radius:var(--r-card);padding:16px;background:#FBFCFA}
.drawer-contact p{margin:0 0 10px;font-size:13px;color:var(--c-muted)}
.drawer-contact a{font-size:14px;font-weight:700;color:var(--c-brand)}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--c-muted);padding:22px 0 0}
.breadcrumb a{color:var(--c-muted)}
.breadcrumb a:hover{color:var(--c-brand)}
.breadcrumb .sep{font-size:12px;color:#B6C0B9}
.breadcrumb .current{color:var(--c-ink-2)}

/* ---------- 文章头 ---------- */
.article-head{padding:22px 0 30px;max-width:880px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.5px;color:var(--c-brand);background:var(--c-brand-soft);border-radius:var(--r-tag);padding:6px 12px;margin-bottom:16px}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block}
.article-head h1{font-size:clamp(26px,3.4vw,40px);line-height:1.25;letter-spacing:-.5px;font-weight:800}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:18px;font-size:13px;color:var(--c-muted)}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-row .meta-item + .meta-item::before{content:"";width:1px;height:12px;background:var(--c-line);margin-right:8px;display:inline-block}
.meta-row .meta-item.tagline{color:var(--c-accent);font-weight:700}
.cover-figure{margin:0 auto 8px;padding:0 24px;max-width:1240px}
.cover-figure img{width:100%;aspect-ratio:21/9;object-fit:cover;border:1px solid var(--c-line);border-radius:var(--r-img)}
.cover-caption{max-width:1240px;margin:10px auto 0;padding:0 24px;font-size:12px;color:var(--c-muted);text-align:center}

/* ---------- 正文布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:56px;align-items:start;padding-top:44px;padding-bottom:var(--sec)}
.article-body{max-width:820px;width:100%;font-size:16px;line-height:1.85}
.article-body p{margin:0 0 22px;color:var(--c-text)}
.article-body h2{font-size:22px;line-height:1.4;margin:40px 0 14px;padding-left:14px;border-left:3px solid var(--c-brand);color:var(--c-ink)}
.article-body h3{font-size:18px;line-height:1.45;margin:28px 0 12px;color:var(--c-ink-2)}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:22px;line-height:1.8}
.article-body li{margin-bottom:8px}
.article-body blockquote{margin:0 0 22px;padding:16px 18px;background:var(--c-brand-soft);border-left:3px solid var(--c-brand);border-radius:0 var(--r-card) var(--r-card) 0;color:var(--c-ink-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--c-brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-brand-ink)}
.article-body img{margin:8px auto 6px;border-radius:var(--r-img)}
.article-body figure{margin:0 0 22px}
.article-body figcaption{font-size:12px;color:var(--c-muted);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 22px;font-size:15px;background:var(--c-surface);border-radius:var(--r-card);overflow:hidden}
.article-body thead th{background:var(--c-brand-soft);color:var(--c-ink);font-weight:700;text-align:left;padding:12px 14px;font-size:14px}
.article-body tbody td{padding:12px 14px;border-top:1px solid var(--c-line)}
.article-body tbody tr:nth-child(even){background:#FAFBF9}
.article-body code{background:var(--c-brand-soft);color:var(--c-brand-ink);border-radius:6px;padding:2px 6px;font-size:14px}
.article-body pre{background:var(--c-dark);color:#D8E4DD;padding:18px;border-radius:var(--r-img);overflow-x:auto;margin:0 0 22px}
.article-body pre code{background:transparent;color:inherit;padding:0}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:132px;display:flex;flex-direction:column;gap:18px}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:18px;box-shadow:var(--sh-1)}
.side-card h3{font-size:14px;font-weight:800;margin-bottom:12px;color:var(--c-ink)}
.side-list{list-style:none;display:flex;flex-direction:column;gap:6px}
.side-list a{display:block;font-size:14px;padding:8px 10px;border-radius:var(--r-btn);border-left:3px solid transparent;color:var(--c-text)}
.side-list a:hover{background:var(--c-brand-soft);color:var(--c-brand);border-left-color:var(--c-brand)}
.side-note{font-size:13px;color:var(--c-muted);margin:0 0 12px}
.side-btn{display:inline-flex;align-items:center;justify-content:center;width:100%;min-height:44px;border-radius:var(--r-btn);background:var(--c-brand);color:#fff;font-size:14px;font-weight:700}
.side-btn:hover{background:var(--c-brand-ink);color:#fff}

/* ---------- 空态 ---------- */
.empty-state{background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);padding:64px 24px;text-align:center;min-height:320px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px}
.empty-state .empty-icon{width:56px;height:56px;border-radius:50%;background:var(--c-brand-soft);display:flex;align-items:center;justify-content:center;color:var(--c-brand)}
.empty-state .empty-icon svg{width:26px;height:26px}
.empty-state h2{font-size:20px}
.empty-state p{margin:0;font-size:14px;color:var(--c-muted)}
.empty-link{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 22px;border-radius:999px;background:var(--c-brand);color:#fff;font-size:14px;font-weight:700}
.empty-link:hover{background:var(--c-brand-ink);color:#fff}

/* ---------- 尾部信息 ---------- */
.post-tail{border-top:1px solid var(--c-line);margin-top:8px;padding:28px 0 0;display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between}
.tag-group{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:12px;font-weight:600;letter-spacing:.5px;color:var(--c-brand);background:var(--c-brand-soft);border-radius:var(--r-tag);padding:6px 11px}
.tag:hover{background:var(--c-brand);color:#fff}
.tail-actions{display:flex;gap:10px;align-items:center}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;border-radius:var(--r-btn);border:1px solid var(--c-brand);color:var(--c-brand);font-size:14px;font-weight:600;background:transparent}
.btn-ghost:hover{background:var(--c-brand);color:#fff}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--c-brand);min-height:44px}
.btn-text span.arw{transition:transform .2s ease}
.btn-text:hover span.arw{transform:translateX(4px)}

/* ---------- 相关阅读 ---------- */
.related{background:var(--c-surface);padding:var(--sec) 0;border-top:1px solid var(--c-line)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px}
.sec-label{font-size:12px;font-weight:700;letter-spacing:.5px;color:var(--c-accent);display:block;margin-bottom:10px}
.sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.article-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.article-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,122,85,.35)}
.article-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.article-card-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.article-card h3{font-size:18px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-card:hover h3{color:var(--c-brand)}
.article-card p{margin:0;font-size:14px;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:12px;color:var(--c-muted)}
.card-meta .mini-tag{color:var(--c-brand);background:var(--c-brand-soft);border-radius:var(--r-tag);padding:4px 8px;font-weight:600}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#D8E4DD;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:inline-flex;align-items:center;gap:9px;margin-bottom:14px}
.footer-brand .logo-mark i:nth-child(3){background:var(--c-brand-soft)}
.footer-brand .logo-text{color:#fff}
.footer-intro{font-size:14px;color:#9DAEA5;max-width:320px;line-height:1.8;margin:0}
.footer-col h3{font-size:14px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-list a{font-size:14px;color:#9DAEA5}
.footer-list a:hover{color:#fff}
.footer-contact li{font-size:14px;color:#9DAEA5;list-style:none;margin-bottom:10px}
.footer-contact strong{color:#D8E4DD;font-weight:600}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);margin-top:44px;padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#7E8E86}
.footer-bottom a{color:#9DAEA5}
.footer-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 20px}
  .cover-figure,.cover-caption{padding:0 20px}
  .article-layout{grid-template-columns:minmax(0,1fr) 200px;gap:36px}
}
@media (max-width:991px){
  :root{--sec:64px}
  .hotwords{display:none}
  .nav-search{max-width:none}
  .article-layout{grid-template-columns:minmax(0,1fr);padding-top:36px}
  .article-side{position:static;order:2;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 260px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:767px){
  body{font-size:15px;line-height:1.8}
  :root{--sec:48px}
  .nav-search,.nav-contact{display:none}
  .nav-burger{display:flex}
  .brandrow-inner{gap:12px;justify-content:space-between}
  .brandrow,.brandrow-inner{height:52px}
  .channel{height:44px;padding:0 12px;font-size:13px}
  .cover-figure img{aspect-ratio:16/9}
  .article-head{padding:18px 0 24px}
  .article-body{font-size:15px}
  .article-body h2{font-size:20px}
  .post-tail{flex-direction:column;align-items:flex-start}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:519px){
  .container{padding:0 16px}
  .cover-figure,.cover-caption{padding:0 16px}
  .logo-text{font-size:16px}
  .article-head h1{font-size:24px}
  .article-layout{gap:28px}
  .side-card{padding:16px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --c-brand:#0F7A55;
  --c-brand-ink:#0A5A3E;
  --c-brand-soft:#E6F3EC;
  --c-accent:#FF6A2B;
  --c-lime:#CBFF3D;
  --c-ink:#0B0F0D;
  --c-ink-2:#1B2320;
  --c-text:#39433E;
  --c-muted:#78857E;
  --c-bg:#F4F6F2;
  --c-surface:#FFFFFF;
  --c-line:#E2E8E0;
  --c-dark:#0C1411;
  --c-dark-2:#13201B;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-tag:6px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(11,15,13,.04), 0 8px 24px rgba(11,15,13,.06);
  --sh-hover:0 12px 32px rgba(15,122,85,.14);
  --sh-nav:0 6px 20px rgba(11,15,13,.08);
  --font-num:"Barlow Condensed","Oswald",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:120px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.5px;}

/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface);}
.brandrow{height:56px;overflow:hidden;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:height .22s ease,opacity .22s ease;}
.site-header.is-stuck .brandrow{height:0;opacity:0;border-bottom-color:transparent;}
.brandrow-inner{display:flex;align-items:center;gap:20px;height:56px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{display:inline-flex;gap:3px;align-items:flex-end;height:20px;}
.logo-mark i{display:block;width:4px;border-radius:2px;background:var(--c-brand);}
.logo-mark i:nth-child(1){height:10px;}
.logo-mark i:nth-child(2){height:15px;background:var(--c-accent);}
.logo-mark i:nth-child(3){height:20px;}
.logo-text{font-size:19px;font-weight:800;color:var(--c-ink);letter-spacing:-.3px;}
.nav-search{position:relative;display:flex;align-items:center;width:300px;max-width:32vw;background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-input);transition:border-color .2s ease,box-shadow .2s ease;}
.nav-search:focus-within{border-color:var(--c-brand);box-shadow:0 0 0 2px rgba(15,122,85,.15);}
.nav-search input{flex:1;height:40px;padding:0 12px;border:0;background:transparent;font-size:14px;outline:none;}
.nav-search input::placeholder{color:var(--c-muted);}
.nav-search button{width:40px;height:40px;display:grid;place-items:center;border:0;background:transparent;color:var(--c-brand);cursor:pointer;border-radius:0 var(--r-input) var(--r-input) 0;transition:background .2s ease;}
.nav-search button:hover{background:var(--c-brand-soft);}
.nav-search svg{width:18px;height:18px;}
.hotwords{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;margin-left:auto;}
.hotwords::-webkit-scrollbar{display:none;}
.hotword{position:relative;flex:0 0 auto;padding:4px 2px;font-size:13px;color:var(--c-muted);transition:color .2s ease;}
.hotword::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-lime);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;}
.hotword:hover{color:var(--c-brand);}
.hotword:hover::after{transform:scaleX(1);}
.nav-contact{flex:0 0 auto;font-size:13px;font-weight:600;color:var(--c-brand);padding:8px 14px;border:1px solid rgba(15,122,85,.35);border-radius:999px;transition:background .2s ease,color .2s ease;}
.nav-contact:hover{background:var(--c-brand);color:#fff;}
.nav-burger{display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:var(--c-surface);color:var(--c-ink);cursor:pointer;place-items:center;}
.nav-burger svg{width:20px;height:20px;}
.channelbar{position:relative;background:var(--c-surface);border-bottom:1px solid var(--c-line);}
.site-header.is-stuck .channelbar{box-shadow:var(--sh-nav);}
.channelbar-inner{position:relative;display:flex;align-items:center;height:48px;overflow:hidden;}
.nav-progress{position:absolute;left:0;top:0;height:3px;width:0;background:var(--c-brand);border-radius:0 2px 2px 0;transition:width .1s linear;}
.channels{display:flex;align-items:center;gap:4px;height:48px;overflow-x:auto;white-space:nowrap;scrollbar-width:none;}
.channels::-webkit-scrollbar{display:none;}
.channel{position:relative;display:inline-flex;align-items:center;height:48px;padding:0 16px;font-size:14.5px;font-weight:600;color:var(--c-text);transition:color .2s ease,background .2s ease;}
.channel:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.channel.is-active{color:var(--c-brand);}
.channel.is-active::after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;background:var(--c-lime);border-radius:2px 2px 0 0;}
.drawer-mask{position:fixed;inset:0;background:rgba(11,15,13,.45);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:70;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.nav-drawer{position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;background:var(--c-surface);z-index:80;transform:translateX(100%);transition:transform .28s cubic-bezier(.22,.61,.36,1);padding:20px;overflow-y:auto;}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer-title{font-size:16px;font-weight:800;color:var(--c-ink);}
.drawer-close{width:36px;height:36px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:var(--c-surface);cursor:pointer;display:grid;place-items:center;}
.drawer-search{display:flex;align-items:center;border:1px solid var(--c-line);border-radius:var(--r-input);background:var(--c-bg);margin-bottom:18px;}
.drawer-search input{flex:1;height:44px;padding:0 12px;border:0;background:transparent;outline:none;}
.drawer-search button{width:44px;height:44px;border:0;background:transparent;color:var(--c-brand);cursor:pointer;}
.drawer-label{font-size:12px;font-weight:600;letter-spacing:.5px;color:var(--c-muted);margin:18px 0 8px;}
.drawer-list a{display:block;padding:11px 14px;border-radius:var(--r-btn);font-size:15px;font-weight:600;color:var(--c-text);border-left:3px solid transparent;transition:background .2s ease,color .2s ease;}
.drawer-list a:hover{background:var(--c-brand-soft);}
.drawer-list a.is-active{color:var(--c-brand);border-left-color:var(--c-brand);background:var(--c-brand-soft);}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.drawer-tags a{font-size:13px;padding:6px 12px;border-radius:var(--r-tag);background:var(--c-brand-soft);color:var(--c-brand-ink);}
.drawer-contact{display:block;margin-top:22px;text-align:center;padding:13px;border-radius:999px;background:var(--c-brand);color:#fff;font-weight:600;}

/* ============ 页头带 ============ */
.page-hero{position:relative;padding:56px 0 52px;background:linear-gradient(160deg,rgba(230,243,236,.96) 0%,rgba(230,243,236,.88) 55%,rgba(244,246,242,.98) 100%),url("/assets/images/backpic/back-2.webp") center/cover no-repeat;border-bottom:1px solid var(--c-line);}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb a{color:var(--c-muted);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--c-brand);}
.breadcrumb span.sep{color:#B6BFB9;}
.breadcrumb .current{color:var(--c-brand-ink);font-weight:600;}
.page-hero h1{font-size:clamp(30px,4.4vw,50px);font-weight:800;line-height:1.16;letter-spacing:-.5px;color:var(--c-ink);max-width:16em;}
.page-hero .hero-lead{margin-top:16px;font-size:17px;color:var(--c-text);max-width:34em;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}
.tag{display:inline-flex;align-items:center;font-size:12px;font-weight:600;letter-spacing:.5px;padding:5px 10px;border-radius:var(--r-tag);background:var(--c-surface);color:var(--c-brand-ink);border:1px solid rgba(15,122,85,.18);}
.tag.is-accent{background:rgba(255,106,43,.12);color:#B8431A;border-color:rgba(255,106,43,.28);}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px;max-width:760px;}
.metric{background:rgba(255,255,255,.78);border:1px solid var(--c-line);border-radius:var(--r-card);padding:16px 18px;}
.metric strong{display:block;font-family:var(--font-num);font-size:32px;font-weight:700;line-height:1.1;color:var(--c-brand);font-variant-numeric:tabular-nums;}
.metric span{display:block;margin-top:4px;font-size:12px;color:var(--c-muted);letter-spacing:.3px;}

/* ============ 主体布局 ============ */
.section{padding:var(--section) 0;}
.section.is-surface{background:var(--c-surface);}
.layout{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:start;}
.col-main{grid-column:span 8;}
.col-side{grid-column:span 4;}
.section-head{margin-bottom:32px;}
.eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.5px;color:var(--c-brand);background:var(--c-brand-soft);padding:4px 10px;border-radius:var(--r-tag);}
.section-head h2{margin-top:12px;font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.25;color:var(--c-ink);letter-spacing:-.3px;}
.section-head .lead{margin-top:10px;color:var(--c-muted);font-size:15px;max-width:52em;}

/* ============ 图文卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.guide-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.guide-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(15,122,85,.35);}
.guide-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-bg);}
.guide-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.guide-card:hover .thumb img{transform:scale(1.04);}
.guide-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.guide-card h3{font-size:19px;font-weight:700;line-height:1.4;color:var(--c-ink);}
.guide-card p{font-size:14.5px;color:var(--c-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.guide-card .meta{font-size:12px;color:var(--c-muted);display:flex;gap:10px;align-items:center;}
.link-more{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-brand);}
.link-more i{font-style:normal;transition:transform .2s ease;}
.link-more:hover{color:var(--c-brand-ink);}
.link-more:hover i{transform:translateX(4px);}

/* ============ 侧栏 ============ */
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);}
.side-card + .side-card{margin-top:20px;}
.side-card h3{font-size:16px;font-weight:700;color:var(--c-ink);margin-bottom:14px;}
.side-list li + li{border-top:1px solid var(--c-line);}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 0;font-size:14.5px;color:var(--c-text);transition:color .2s ease,padding-left .2s ease;}
.side-list a:hover{color:var(--c-brand);padding-left:4px;}
.side-list a b{font-family:var(--font-num);font-size:13px;color:var(--c-muted);font-weight:600;}
.side-sticky{position:sticky;top:120px;}
.consult-card{background:var(--c-brand-soft);border:1px solid rgba(15,122,85,.16);}
.consult-card h3{color:var(--c-brand-ink);}
.consult-card .tip{font-size:13.5px;color:var(--c-text);margin-bottom:16px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;color:var(--c-muted);margin-bottom:6px;}
.field input,.field textarea{width:100%;padding:0 12px;height:44px;border:1px solid var(--c-line);border-radius:var(--r-input);background:var(--c-surface);font-size:14px;transition:border-color .2s ease,box-shadow .2s ease;}
.field textarea{height:88px;padding:11px 12px;resize:vertical;line-height:1.6;}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 2px rgba(15,122,85,.15);}
.field.has-error input,.field.has-error textarea{border-color:#D9412B;}
.field .err{display:none;margin-top:5px;font-size:12px;color:#D9412B;}
.field.has-error .err{display:block;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease,box-shadow .2s ease;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--c-brand);color:#fff;}
.btn-primary:hover{background:var(--c-brand-ink);transform:translateY(-1px);}
.btn-outline{background:transparent;border-color:var(--c-brand);color:var(--c-brand);}
.btn-outline:hover{background:var(--c-brand);color:#fff;}
.btn-ghost{background:var(--c-brand-soft);color:var(--c-brand-ink);}
.btn-ghost:hover{background:#D6EBE1;}
.btn-pill{border-radius:999px;}
.btn-block{width:100%;}

/* ============ 步骤检查条 ============ */
.steps-band{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step;}
.step{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px 22px 24px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(15,122,85,.35);}
.step::after{content:"";position:absolute;top:44px;right:-14px;width:14px;height:1px;background:var(--c-line);}
.step:last-child::after{display:none;}
.step .idx{font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--c-accent);line-height:1;font-variant-numeric:tabular-nums;}
.step h3{margin-top:12px;font-size:18px;font-weight:700;color:var(--c-ink);}
.step p{margin-top:8px;font-size:14.5px;color:var(--c-text);}

/* ============ 相关阅读横滑条 ============ */
.rail-wrap{position:relative;}
.rail{display:flex;gap:16px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory;scrollbar-width:thin;}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:6px;}
.rail-card{flex:0 0 300px;scroll-snap-align:start;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.rail-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(15,122,85,.35);}
.rail-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.rail-card .body{padding:16px 18px 18px;}
.rail-card h3{font-size:16.5px;font-weight:700;color:var(--c-ink);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rail-card p{margin-top:8px;font-size:13.5px;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rail-card .meta{margin-top:12px;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--c-muted);}
.rail-card .meta em{font-style:normal;color:var(--c-brand);font-weight:600;}

/* ============ CTA 带 ============ */
.cta-band{background:var(--c-brand);border-radius:var(--r-card);padding:34px 36px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;box-shadow:var(--sh-1);}
.cta-band p{font-size:clamp(19px,2.2vw,24px);font-weight:800;color:#fff;letter-spacing:-.2px;}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-light{background:#fff;color:var(--c-brand-ink);}
.cta-band .btn-light:hover{background:var(--c-brand-soft);transform:translateY(-1px);}
.cta-band .btn-line{background:transparent;border-color:rgba(255,255,255,.7);color:#fff;}
.cta-band .btn-line:hover{background:#fff;color:var(--c-brand-ink);border-color:#fff;}

/* ============ 浮动 CTA ============ */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:55;display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:999px;background:var(--c-brand);color:#fff;font-weight:600;font-size:15px;box-shadow:0 1px 2px rgba(11,15,13,.04),0 12px 32px rgba(15,122,85,.28),0 0 0 1px var(--c-lime);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background .2s ease;}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--c-brand-ink);}
.float-bar{display:none;}
.float-bar .call{display:inline-flex;align-items:center;justify-content:center;width:56px;height:52px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.5);color:#fff;}
.float-bar svg{width:20px;height:20px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:#D8E4DD;padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;}
.footer-brand .logo-mark i{background:#3FBF92;}
.footer-brand .logo-mark i:nth-child(2){background:var(--c-accent);}
.footer-brand .logo-text{color:#fff;}
.site-footer .about{margin-top:14px;font-size:14px;color:#9FB3A9;line-height:1.8;max-width:32em;}
.footer-col h4{font-size:14px;font-weight:700;color:#8FE3C0;margin-bottom:14px;letter-spacing:.3px;}
.footer-col li{margin-bottom:9px;}
.footer-col a{font-size:14px;color:#9FB3A9;transition:color .2s ease;}
.footer-col a:hover{color:#fff;}
.footer-contact p{font-size:14px;color:#9FB3A9;margin-bottom:8px;}
.footer-contact strong{color:#fff;font-family:var(--font-num);font-size:18px;letter-spacing:.5px;}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#7E9187;}
.footer-bottom a{color:#7E9187;}
.footer-bottom a:hover{color:#fff;}

/* ============ 进场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s cubic-bezier(.22,.61,.36,1),transform .32s cubic-bezier(.22,.61,.36,1);}
.reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 20px;}
  .nav-search{width:260px;}
  .hotwords{max-width:200px;}
}
@media (max-width:991px){
  :root{--section:64px;}
  .col-main,.col-side{grid-column:span 12;}
  .side-sticky{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .hotwords{display:none;}
  .nav-search{width:auto;flex:1;max-width:none;}
}
@media (max-width:767px){
  .nav-contact{display:none;}
  .nav-burger{display:grid;}
  .brandrow-inner{gap:12px;}
  .logo-text{font-size:17px;}
  .site-header.is-stuck .brandrow{height:56px;opacity:1;border-bottom-color:var(--c-line);}
  .card-grid{grid-template-columns:1fr;}
  .steps-band{grid-template-columns:1fr;}
  .step::after{display:none;}
  .hero-metrics{grid-template-columns:1fr;gap:12px;max-width:none;}
  .cta-band{padding:26px 22px;}
  .float-cta{display:none;}
  .float-bar{position:fixed;left:0;right:0;bottom:0;z-index:65;display:grid;grid-template-columns:1fr 56px;gap:10px;align-items:center;padding:8px 12px calc(8px + env(safe-area-inset-bottom));background:var(--c-brand);box-shadow:0 -6px 20px rgba(11,15,13,.18);}
  .float-bar .btn{height:44px;background:#fff;color:var(--c-brand-ink);border-radius:999px;}
  body{padding-bottom:72px;}
}
@media (max-width:560px){
  :root{--section:48px;}
  body{font-size:15px;line-height:1.8;}
  .container{padding:0 16px;}
  .page-hero{padding:40px 0 36px;}
  .page-hero .hero-lead{font-size:15.5px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .rail-card{flex:0 0 82vw;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --c-brand:#0F7A55;--c-brand-ink:#0A5A3E;--c-brand-soft:#E6F3EC;
  --c-accent:#FF6A2B;--c-lime:#CBFF3D;
  --c-ink:#0B0F0D;--c-ink-2:#1B2320;--c-text:#39433E;--c-muted:#78857E;
  --c-bg:#F4F6F2;--c-surface:#FFFFFF;--c-line:#E2E8E0;
  --c-dark:#0C1411;--c-dark-2:#13201B;--c-dark-text:#D8E4DD;--c-dark-line:rgba(255,255,255,.10);
  --r-card:14px;--r-img:12px;--r-btn:10px;--r-tag:6px;--r-input:10px;
  --sh-1:0 1px 2px rgba(11,15,13,.04),0 8px 24px rgba(11,15,13,.06);
  --sh-2:0 12px 32px rgba(15,122,85,.14);
  --sh-nav:0 6px 20px rgba(11,15,13,.08);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Oswald",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --sp:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-cn);font-size:16px;line-height:1.85;color:var(--c-text);
  background:var(--c-bg);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease}
a:hover{color:var(--c-brand)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface)}
.brandrow{height:56px;background:var(--c-surface);transition:height .22s ease,opacity .22s ease;overflow:hidden}
.brandrow-inner{height:56px;display:flex;align-items:center;gap:20px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{display:flex;gap:3px;align-items:flex-end;height:22px}
.logo-mark i{display:block;width:4px;background:var(--c-brand);border-radius:2px}
.logo-mark i:nth-child(1){height:12px;background:var(--c-accent)}
.logo-mark i:nth-child(2){height:18px}
.logo-mark i:nth-child(3){height:22px;background:var(--c-brand-ink)}
.logo-text{font-size:19px;font-weight:800;color:var(--c-ink);letter-spacing:-.3px;white-space:nowrap}
.nav-search{position:relative;display:flex;align-items:center;width:300px;max-width:34vw;margin-left:8px}
.nav-search input{
  width:100%;height:40px;border:1px solid var(--c-line);border-radius:var(--r-input);
  background:var(--c-bg);padding:0 44px 0 14px;font-size:14px;transition:border-color .2s,box-shadow .2s;
}
.nav-search input::placeholder{color:var(--c-muted)}
.nav-search input:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 2px rgba(15,122,85,.15);background:var(--c-surface)}
.nav-search button{position:absolute;right:4px;width:34px;height:34px;border-radius:8px;display:grid;place-items:center;color:var(--c-muted)}
.nav-search button:hover{color:var(--c-brand);background:var(--c-brand-soft)}
.nav-search svg{width:18px;height:18px}
.hotwords{display:flex;align-items:center;gap:6px;flex:1;overflow-x:auto;scrollbar-width:none}
.hotwords::-webkit-scrollbar{display:none}
.hotword{font-size:12.5px;font-weight:600;color:var(--c-muted);padding:6px 10px;border-radius:var(--r-tag);position:relative;white-space:nowrap}
.hotword:hover{color:var(--c-brand);background:var(--c-brand-soft)}
.hotword:hover::after{content:"";position:absolute;left:10px;right:10px;bottom:2px;height:2px;background:var(--c-lime)}
.nav-contact{font-size:13px;font-weight:600;color:var(--c-brand);border:1px solid rgba(15,122,85,.35);padding:8px 14px;border-radius:var(--r-btn);white-space:nowrap;min-height:36px;display:inline-flex;align-items:center}
.nav-contact:hover{background:var(--c-brand);color:#fff}
.nav-burger{display:none;width:40px;height:40px;border-radius:var(--r-btn);color:var(--c-ink);place-items:center}
.nav-burger svg{width:22px;height:22px}
.channelbar{position:relative;height:48px;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow .2s}
.channelbar-inner{position:relative;height:48px;display:flex;align-items:center}
.nav-progress{position:absolute;left:0;top:0;height:3px;width:0;background:var(--c-accent);transition:width .12s linear}
.channels{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;height:100%}
.channels::-webkit-scrollbar{display:none}
.channel{position:relative;display:inline-flex;align-items:center;height:100%;padding:0 16px;font-size:14.5px;font-weight:600;color:var(--c-text);white-space:nowrap}
.channel:hover{color:var(--c-brand);background:var(--c-brand-soft)}
.channel.is-active{color:var(--c-brand)}
.channel.is-active::after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;background:var(--c-lime)}
.site-header.is-scrolled .brandrow{height:0;opacity:0}
.site-header.is-scrolled .channelbar{box-shadow:var(--sh-nav)}

/* drawer */
.drawer{position:fixed;inset:0;z-index:90;pointer-events:none}
.drawer-mask{position:absolute;inset:0;background:rgba(11,15,13,.45);opacity:0;transition:opacity .25s}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:84vw;max-width:360px;background:var(--c-surface);
  padding:20px;transform:translateX(100%);transition:transform .28s cubic-bezier(.22,.61,.36,1);overflow-y:auto;
}
.drawer.is-open{pointer-events:auto}
.drawer.is-open .drawer-mask{opacity:1}
.drawer.is-open .drawer-panel{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-title{font-size:16px;font-weight:800;color:var(--c-ink)}
.drawer-close{width:36px;height:36px;border-radius:var(--r-btn);display:grid;place-items:center;color:var(--c-ink);background:var(--c-bg)}
.drawer-search{display:flex;gap:8px;margin-bottom:18px}
.drawer-search input{flex:1;height:42px;border:1px solid var(--c-line);border-radius:var(--r-input);padding:0 12px;background:var(--c-bg)}
.drawer-nav li + li{margin-top:2px}
.drawer-nav a{display:block;padding:12px 14px;font-size:15px;font-weight:600;color:var(--c-text);border-radius:var(--r-btn)}
.drawer-nav a:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.drawer-nav a.is-active{color:var(--c-brand);border-left:3px solid var(--c-brand);border-radius:0 var(--r-btn) var(--r-btn) 0;background:var(--c-brand-soft)}
.drawer-block{margin-top:22px}
.drawer-block h4{font-size:13px;font-weight:700;color:var(--c-muted);letter-spacing:.5px;margin-bottom:10px}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px}
.drawer-tags a{font-size:13px;font-weight:600;color:var(--c-brand);background:var(--c-brand-soft);padding:7px 12px;border-radius:var(--r-tag)}
.drawer-contact{display:block;margin-top:22px;text-align:center;background:var(--c-brand);color:#fff;padding:13px;border-radius:999px;font-weight:700}

/* ---------- common ---------- */
.section{padding:var(--sp) 0}
.section.alt{background:var(--c-surface)}
.section-label{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.5px;color:var(--c-brand);background:var(--c-brand-soft);padding:6px 12px;border-radius:var(--r-tag)}
.section-head{margin-bottom:36px;max-width:760px}
.section-head h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.25;color:var(--c-ink);margin-top:14px}
.section-head p{margin-top:12px;color:var(--c-muted);font-size:15px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:700;transition:transform .15s,background-color .2s,color .2s,box-shadow .2s,border-color .2s;border:1px solid transparent}
.btn-primary{background:var(--c-brand);color:#fff;border-radius:999px}
.btn-primary:hover{background:var(--c-brand-ink);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:none}
.btn-outline{border-color:rgba(15,122,85,.45);color:var(--c-brand);background:transparent}
.btn-outline:hover{background:var(--c-brand);color:#fff}
.btn-ghost{background:var(--c-brand-soft);color:var(--c-brand)}
.btn-ghost:hover{background:#d7ece1;color:var(--c-brand-ink)}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--c-brand);min-height:44px}
.btn-text .arrow{transition:transform .2s}
.btn-text:hover .arrow{transform:translateX(4px)}
.tag{display:inline-flex;align-items:center;font-size:12px;font-weight:600;letter-spacing:.4px;padding:5px 10px;border-radius:var(--r-tag);background:var(--c-brand-soft);color:var(--c-brand)}
.tag-accent{background:rgba(255,106,43,.12);color:var(--c-accent)}

/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--c-dark);color:var(--c-dark-text);min-height:250px;display:flex;align-items:center;padding:52px 0}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(15,122,85,.82) 0%,rgba(12,20,17,.92) 62%,rgba(12,20,17,.96) 100%),
             url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.page-hero .container{position:relative;z-index:1}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(216,228,221,.72);margin-bottom:18px}
.crumbs a{color:rgba(216,228,221,.82)}
.crumbs a:hover{color:#fff}
.crumbs .sep{color:rgba(216,228,221,.4)}
.crumbs .current{color:var(--c-lime);font-weight:600}
.page-hero h1{font-size:clamp(28px,4vw,46px);font-weight:800;line-height:1.16;letter-spacing:-.5px;color:#fff;max-width:820px}
.page-hero .lead{margin-top:16px;max-width:640px;font-size:16px;color:rgba(216,228,221,.85);line-height:1.8}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-meta span{font-size:12px;font-weight:600;letter-spacing:.4px;color:var(--c-dark-text);background:rgba(255,255,255,.08);border:1px solid var(--c-dark-line);padding:6px 12px;border-radius:var(--r-tag)}
.hero-meta span.hl{background:var(--c-lime);color:var(--c-ink);border-color:var(--c-lime)}

/* ---------- metrics ---------- */
.metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);transition:transform .2s,border-color .2s,box-shadow .2s}
.metric:hover{transform:translateY(-3px);border-color:rgba(15,122,85,.35);box-shadow:var(--sh-2)}
.metric b{display:block;font-family:var(--font-num);font-size:38px;font-weight:700;color:var(--c-ink);line-height:1;font-variant-numeric:tabular-nums}
.metric b em{font-style:normal;font-size:18px;color:var(--c-muted);margin-left:2px}
.metric p{margin-top:10px;font-size:13px;color:var(--c-muted)}
.metric:nth-child(1) b{color:var(--c-brand)}

/* ---------- timeline ---------- */
.timeline{position:relative;max-width:1020px;margin:0 auto;padding:6px 0 0}
.timeline::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:var(--c-line);transform:translateX(-.5px)}
.tl-item{position:relative;width:50%;padding:0 48px 34px 0}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 34px 48px}
.tl-node{position:absolute;top:30px;right:-4px;width:8px;height:8px;border-radius:50%;background:var(--c-brand);box-shadow:0 0 0 4px var(--c-brand-soft);z-index:2}
.tl-item:nth-child(even) .tl-node{left:-4px;right:auto}
.tl-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:transform .2s,border-color .2s,box-shadow .2s}
.tl-card:hover{transform:translateY(-3px);border-color:rgba(15,122,85,.35);box-shadow:var(--sh-2)}
.tl-num{font-family:var(--font-num);font-size:28px;font-weight:700;color:var(--c-accent);line-height:1;letter-spacing:.04em}
.tl-card h3{margin-top:12px;font-size:19px;font-weight:700;color:var(--c-ink);line-height:1.4}
.tl-card p{margin-top:10px;font-size:15px;color:var(--c-text);line-height:1.8}
.tl-card .thumb{margin-top:16px}
.tl-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--c-line)}
.tl-card .cap{margin-top:8px;font-size:12px;color:var(--c-muted)}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.split-list{display:grid;gap:14px;margin-top:24px}
.split-list li{display:flex;gap:12px;align-items:flex-start;background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-card);padding:16px 18px}
.split-list .dot{flex:0 0 auto;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--c-brand-soft);color:var(--c-brand);font-family:var(--font-num);font-size:13px;font-weight:700;margin-top:2px}
.split-list strong{display:block;font-size:15.5px;color:var(--c-ink)}
.split-list span{font-size:14px;color:var(--c-muted);line-height:1.75}
.media-frame{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1)}
.media-frame img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.media-frame figcaption{font-size:12.5px;color:var(--c-muted);padding:12px 16px;border-top:1px solid var(--c-line)}
.bar-list{display:grid;gap:16px;margin-top:20px}
.bar{display:grid;grid-template-columns:96px 1fr 54px;align-items:center;gap:14px}
.bar span:first-child{font-size:13.5px;color:var(--c-text);font-weight:600}
.bar .track{height:8px;border-radius:999px;background:var(--c-brand-soft);overflow:hidden}
.bar .fill{height:100%;border-radius:999px;background:var(--c-brand)}
.bar .val{font-family:var(--font-num);font-size:16px;font-weight:700;color:var(--c-ink);text-align:right;font-variant-numeric:tabular-nums}

/* ---------- data table ---------- */
.data-table{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.data-row{display:grid;grid-template-columns:1.2fr 2fr .8fr;gap:20px;padding:18px 24px;border-top:1px solid var(--c-line);align-items:center}
.data-row:first-child{border-top:0;background:var(--c-bg)}
.data-row:hover{background:var(--c-brand-soft)}
.data-row .k{font-weight:700;color:var(--c-brand)}
.data-row .d{font-size:14.5px;color:var(--c-text)}
.data-row .v{font-family:var(--font-num);font-size:16px;font-weight:700;color:var(--c-ink);text-align:right;font-variant-numeric:tabular-nums}

/* ---------- faq ---------- */
.faq{max-width:820px;margin:0 auto}
.faq-item{border:1px solid var(--c-line);border-radius:var(--r-card);background:var(--c-surface);margin-bottom:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item.is-open{border-color:rgba(15,122,85,.4);box-shadow:var(--sh-1)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;text-align:left;font-size:16px;font-weight:700;color:var(--c-ink);min-height:44px}
.faq-q:hover{color:var(--c-brand)}
.faq-item.is-open .faq-q{color:var(--c-brand)}
.faq-icon{position:relative;flex:0 0 auto;width:20px;height:20px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform .25s ease}
.faq-icon::before{left:0;right:0;top:9px;height:2px}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--c-text)}
.faq-item.is-open .faq-a{background:var(--c-brand-soft)}

/* ---------- cta band ---------- */
.cta-band{background:var(--c-brand);border-radius:var(--r-card);padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);font-weight:800;color:#fff;line-height:1.3}
.cta-band p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.82)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-band .btn-primary{background:#fff;color:var(--c-brand-ink)}
.cta-band .btn-primary:hover{background:#fff;color:var(--c-brand)}
.cta-band .btn-outline{border-color:rgba(255,255,255,.6);color:#fff}
.cta-band .btn-outline:hover{background:#fff;color:var(--c-brand)}

/* ---------- rail ---------- */
.rail{display:flex;gap:16px;overflow-x:auto;padding:4px 4px 14px;scrollbar-width:thin}
.rail-card{flex:0 0 300px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s,border-color .2s,box-shadow .2s;display:flex;flex-direction:column}
.rail-card:hover{transform:translateY(-3px);border-color:rgba(15,122,85,.35);box-shadow:var(--sh-2)}
.rail-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.rail-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.rail-body h3{font-size:16.5px;font-weight:700;color:var(--c-ink);line-height:1.45}
.rail-card:hover h3{color:var(--c-brand)}
.rail-body p{font-size:13.5px;color:var(--c-muted);line-height:1.7}
.rail-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark);color:var(--c-dark-text);padding:64px 0 26px;margin-top:var(--sp)}
.footer-quote{border-left:3px solid var(--c-brand);background:var(--c-dark-2);border-radius:0 var(--r-card) var(--r-card) 0;padding:18px 22px;margin-bottom:44px}
.footer-quote p{font-size:15.5px;color:#fff;line-height:1.8}
.quote-by{display:block;margin-top:8px;font-size:13px;color:var(--c-muted);font-style:normal}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:38px;border-bottom:1px solid var(--c-dark-line)}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand .logo-text{color:#fff}
.foot-brand .logo-mark i:nth-child(2){background:var(--c-lime)}
.foot-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.foot-col p{font-size:14px;color:var(--c-muted);line-height:1.85;max-width:320px}
.foot-col li + li{margin-top:10px}
.foot-col a{font-size:14px;color:var(--c-muted)}
.foot-col a:hover{color:#fff}
.foot-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:13px;color:var(--c-muted)}
.foot-bottom a{color:var(--c-muted)}
.foot-bottom a:hover{color:#fff}

/* ---------- floating cta ---------- */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:70;opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity .3s,transform .3s}
.float-cta.is-show{opacity:1;pointer-events:auto;transform:none}
.float-cta a{display:inline-flex;align-items:center;gap:8px;background:var(--c-brand);color:#fff;padding:14px 24px;border-radius:999px;font-weight:700;font-size:15px;border:1px solid var(--c-lime);box-shadow:0 12px 32px rgba(15,122,85,.28)}
.float-cta a:hover{background:var(--c-brand-ink);color:#fff}
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;height:56px;background:var(--c-surface);border-top:1px solid var(--c-line);padding:0 16px calc(0px + env(safe-area-inset-bottom));align-items:center;gap:12px}
.mobile-bar .btn-primary{flex:1;border-radius:999px}
.mobile-bar .call{width:48px;height:40px;border-radius:var(--r-btn);display:grid;place-items:center;border:1px solid rgba(15,122,85,.4);color:var(--c-brand)}
.mobile-bar .call svg{width:20px;height:20px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s cubic-bezier(.22,.61,.36,1),transform .32s cubic-bezier(.22,.61,.36,1)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 20px}
}
@media (max-width:991px){
  :root{--sp:64px}
  .hotwords{display:none}
  .nav-search{max-width:44vw}
  .metric-strip{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  :root{--sp:48px}
  .nav-search{display:none}
  .nav-contact{display:none}
  .nav-burger{display:grid}
  .brandrow-inner{gap:12px}
  .timeline::before{left:7px}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 26px 30px}
  .tl-node,.tl-item:nth-child(even) .tl-node{left:3px;right:auto}
  .data-row{grid-template-columns:1fr;gap:6px}
  .data-row .v{text-align:left}
  .cta-band{padding:26px 22px}
  .float-cta{display:none}
  .mobile-bar{display:flex}
  body{padding-bottom:56px}
  .site-footer{padding-bottom:76px}
}
@media (max-width:559px){
  body{font-size:15px;line-height:1.8}
  .metric-strip{grid-template-columns:1fr}
  .bar{grid-template-columns:76px 1fr 46px;gap:10px}
  .foot-grid{grid-template-columns:1fr}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .page-hero{padding:40px 0;min-height:0}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --c-brand:#0F7A55;
  --c-brand-ink:#0A5A3E;
  --c-brand-soft:#E6F3EC;
  --c-accent:#FF6A2B;
  --c-lime:#CBFF3D;
  --c-ink:#0B0F0D;
  --c-ink-2:#1B2320;
  --c-text:#39433E;
  --c-muted:#78857E;
  --c-bg:#F4F6F2;
  --c-surface:#FFFFFF;
  --c-line:#E2E8E0;
  --c-dark:#0C1411;
  --c-dark-2:#13201B;
  --c-dark-text:#D8E4DD;
  --c-dark-line:rgba(255,255,255,.10);
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-tag:6px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(11,15,13,.04),0 8px 24px rgba(11,15,13,.06);
  --sh-2:0 12px 32px rgba(15,122,85,.14);
  --sh-nav:0 6px 20px rgba(11,15,13,.08);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Oswald",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sect:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-brand);}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.5px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--c-surface);
  transition:box-shadow .25s ease;
}
.brandrow{
  height:56px;
  border-bottom:1px solid var(--c-line);
  overflow:hidden;
  transition:height .22s ease,opacity .22s ease,border-color .22s ease;
}
.brandrow-inner{
  height:56px;
  display:flex;
  align-items:center;
  gap:18px;
}
.site-header.is-scrolled .brandrow{height:0;opacity:0;border-color:transparent;}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--c-ink);
  font-weight:800;
  font-size:18px;
  letter-spacing:-.2px;
}
.logo:hover{color:var(--c-ink);}
.logo-mark{
  display:inline-flex;
  align-items:flex-end;
  gap:3px;
  height:22px;
  padding:0 2px;
}
.logo-mark i{
  display:block;
  width:4px;
  background:var(--c-brand);
  border-radius:2px;
}
.logo-mark i:nth-child(1){height:11px;background:var(--c-brand-ink);}
.logo-mark i:nth-child(2){height:22px;background:var(--c-brand);}
.logo-mark i:nth-child(3){height:15px;background:var(--c-accent);}
.logo-text{white-space:nowrap;}
.nav-search{
  position:relative;
  display:flex;
  align-items:center;
  width:300px;
  max-width:34vw;
  height:38px;
  border:1px solid var(--c-line);
  border-radius:var(--r-input);
  background:var(--c-bg);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{
  border-color:var(--c-brand);
  box-shadow:0 0 0 2px rgba(15,122,85,.15);
}
.nav-search input{
  flex:1;
  height:100%;
  border:0;
  background:transparent;
  padding:0 12px;
  color:var(--c-text);
  outline:none;
}
.nav-search input::placeholder{color:var(--c-muted);}
.nav-search button{
  width:42px;
  height:100%;
  border:0;
  background:transparent;
  color:var(--c-brand);
  display:flex;
  align-items:center;
  justify-content:center;
}
.nav-search button svg{width:18px;height:18px;}
.hotwords{
  display:flex;
  align-items:center;
  gap:14px;
  margin-left:auto;
  overflow-x:auto;
  scrollbar-width:none;
  white-space:nowrap;
}
.hotwords::-webkit-scrollbar{display:none;}
.hotword{
  position:relative;
  font-size:12px;
  font-weight:600;
  letter-spacing:.5px;
  color:var(--c-muted);
  padding:4px 0;
  transition:color .2s ease;
}
.hotword::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--c-lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}
.hotword:hover{color:var(--c-brand);}
.hotword:hover::after{transform:scaleX(1);}
.nav-contact{
  flex:0 0 auto;
  font-size:13px;
  font-weight:600;
  color:var(--c-brand);
  padding:8px 14px;
  border:1px solid rgba(15,122,85,.35);
  border-radius:999px;
  transition:background .2s ease,color .2s ease;
}
.nav-contact:hover{background:var(--c-brand);color:#fff;}
.nav-burger{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  background:var(--c-surface);
  color:var(--c-ink);
  align-items:center;
  justify-content:center;
}
.nav-burger svg{width:20px;height:20px;}

.channelbar{
  position:relative;
  height:48px;
  border-bottom:1px solid var(--c-line);
  background:var(--c-surface);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled .channelbar{box-shadow:var(--sh-nav);}
.channelbar-inner{
  position:relative;
  height:48px;
  display:flex;
  align-items:stretch;
}
.nav-progress{
  position:absolute;
  left:0;top:0;
  height:3px;
  width:0;
  background:var(--c-brand);
  z-index:3;
  transition:width .12s linear;
}
.channels{
  display:flex;
  align-items:stretch;
  gap:6px;
  overflow-x:auto;
  scrollbar-width:none;
  width:100%;
}
.channels::-webkit-scrollbar{display:none;}
.channel{
  position:relative;
  display:flex;
  align-items:center;
  height:100%;
  padding:0 16px;
  font-size:14px;
  font-weight:600;
  color:var(--c-text);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.channel:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.channel.is-active{color:var(--c-brand);}
.channel.is-active::after{
  content:"";
  position:absolute;
  left:16px;right:16px;bottom:0;
  height:3px;
  background:var(--c-lime);
}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(11,15,13,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;
  width:84vw;
  max-width:360px;
  height:100%;
  background:var(--c-surface);
  z-index:95;
  transform:translateX(100%);
  transition:transform .28s cubic-bezier(.22,.61,.36,1);
  display:flex;
  flex-direction:column;
  padding:18px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer-close{
  width:36px;height:36px;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  background:transparent;
  color:var(--c-ink);
}
.drawer-search{
  display:flex;
  align-items:center;
  height:44px;
  border:1px solid var(--c-line);
  border-radius:var(--r-input);
  margin-bottom:18px;
  overflow:hidden;
}
.drawer-search input{flex:1;height:100%;border:0;padding:0 12px;outline:none;background:transparent;}
.drawer-search button{width:44px;height:100%;border:0;background:var(--c-brand-soft);color:var(--c-brand);}
.drawer-title{font-size:12px;font-weight:600;letter-spacing:.5px;color:var(--c-muted);margin:6px 0 10px;}
.drawer-nav li{margin-bottom:4px;}
.drawer-nav a{
  display:block;
  padding:12px 14px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  color:var(--c-text);
  border-left:3px solid transparent;
}
.drawer-nav a:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.drawer-nav a.is-active{color:var(--c-brand);border-left-color:var(--c-brand);background:var(--c-brand-soft);}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.drawer-tags a{
  font-size:12px;
  font-weight:600;
  padding:6px 10px;
  border-radius:var(--r-tag);
  background:var(--c-brand-soft);
  color:var(--c-brand-ink);
}
.drawer-contact{
  margin-top:auto;
  display:block;
  text-align:center;
  padding:14px;
  border-radius:999px;
  background:var(--c-brand);
  color:#fff;
  font-weight:700;
}
.drawer-contact:hover{background:var(--c-brand-ink);color:#fff;}

/* ============ 内容通用 ============ */
main{display:block;}
.section{padding:var(--sect) 0;}
.section--surface{background:var(--c-surface);}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.5px;
  color:var(--c-brand);
  background:var(--c-brand-soft);
  padding:5px 10px;
  border-radius:var(--r-tag);
  margin-bottom:14px;
}
h2{
  font-size:clamp(24px,3vw,36px);
  font-weight:700;
  line-height:1.25;
  color:var(--c-ink);
  letter-spacing:-.4px;
}
.section-lead{margin-top:14px;font-size:16px;color:var(--c-muted);}

/* ============ 面包屑 ============ */
.crumbs{
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  padding:14px 0;
}
.crumbs-inner{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--c-muted);
  overflow-x:auto;
  white-space:nowrap;
  scrollbar-width:none;
}
.crumbs-inner::-webkit-scrollbar{display:none;}
.crumbs-inner .sep{color:var(--c-line);font-size:12px;}
.crumbs-inner strong{color:var(--c-brand);font-weight:600;}

/* ============ 页头带 ============ */
.pagehead{
  position:relative;
  background:var(--c-dark);
  color:var(--c-dark-text);
  overflow:hidden;
  padding:64px 0 58px;
}
.pagehead::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(105deg,rgba(12,20,17,.94) 0%,rgba(10,90,62,.78) 58%,rgba(12,20,17,.9) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.95;
}
.pagehead-inner{position:relative;z-index:2;max-width:820px;}
.pagehead .eyebrow{
  background:rgba(203,255,61,.14);
  color:var(--c-lime);
}
.pagehead h1{
  font-size:clamp(30px,4.2vw,50px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.5px;
  color:#fff;
  margin:6px 0 18px;
}
.pagehead h1 em{
  font-style:normal;
  color:var(--c-lime);
}
.pagehead p{
  font-size:17px;
  color:var(--c-dark-text);
  max-width:640px;
}
.pagehead-meta{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.pagehead-meta span{
  font-size:12px;
  font-weight:600;
  letter-spacing:.5px;
  color:var(--c-dark-text);
  background:rgba(255,255,255,.08);
  border:1px solid var(--c-dark-line);
  border-radius:var(--r-tag);
  padding:6px 12px;
}

/* ============ 指标条 ============ */
.metrics{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.metric{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.metric:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-2);
  border-color:rgba(15,122,85,.35);
}
.metric .value{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:52px;
  line-height:1;
  font-weight:700;
  color:var(--c-brand);
  letter-spacing:-1px;
}
.metric .value small{
  font-size:20px;
  font-weight:600;
  margin-left:6px;
  color:var(--c-brand-ink);
}
.metric .label{
  margin-top:12px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.5px;
  color:var(--c-muted);
}
.metric .desc{
  margin-top:8px;
  font-size:14px;
  line-height:1.75;
  color:var(--c-text);
}

/* ============ 对照表 ============ */
.compare{
  border-top:1px solid var(--c-line);
}
.cmp-row{
  display:grid;
  grid-template-columns:minmax(180px,280px) 1fr;
  gap:28px;
  padding:22px 4px;
  border-bottom:1px solid var(--c-line);
  transition:background .2s ease;
}
.cmp-row:hover{background:var(--c-brand-soft);}
.cmp-key{
  font-size:17px;
  font-weight:700;
  color:var(--c-brand);
  line-height:1.6;
}
.cmp-val{
  font-size:15px;
  line-height:1.85;
  color:var(--c-text);
}
.cmp-val b{
  color:var(--c-ink);
  font-weight:600;
}

/* ============ FAQ ============ */
.faq{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(15,122,85,.35);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 22px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:700;
  color:var(--c-ink);
  line-height:1.6;
  min-height:44px;
  transition:color .2s ease;
}
.faq-q .sign{
  flex:0 0 auto;
  width:26px;height:26px;
  position:relative;
  border-radius:50%;
  border:1.5px solid var(--c-brand);
  transition:transform .25s ease,background .2s ease;
}
.faq-q .sign::before,
.faq-q .sign::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  width:12px;height:1.5px;
  background:var(--c-brand);
  transform:translate(-50%,-50%);
  transition:opacity .2s ease,background .2s ease;
}
.faq-q .sign::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-item.is-open .faq-q{color:var(--c-brand);}
.faq-item.is-open .faq-q .sign{transform:rotate(180deg);background:var(--c-brand);}
.faq-item.is-open .faq-q .sign::before,
.faq-item.is-open .faq-q .sign::after{background:#fff;}
.faq-item.is-open .faq-q .sign::after{opacity:0;}
.faq-a{
  display:none;
  padding:0 22px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-brand-soft);
}
.faq-item.is-open .faq-a{display:block;}

/* ============ 相关阅读横滑 ============ */
.rail-wrap{position:relative;}
.rail{
  display:flex;
  gap:16px;
  overflow-x:auto;
  padding-bottom:8px;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none;}
.rail-card{
  flex:0 0 320px;
  scroll-snap-align:start;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rail-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-2);
  border-color:rgba(15,122,85,.35);
}
.rail-card img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:0;
}
.rail-body{padding:18px 20px 20px;}
.rail-body h3{
  font-size:18px;
  font-weight:700;
  line-height:1.4;
  color:var(--c-ink);
  margin-bottom:8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s ease;
}
.rail-card:hover h3{color:var(--c-brand);}
.rail-body p{
  font-size:14px;
  color:var(--c-muted);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rail-foot{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:14px;
  font-size:12px;
  color:var(--c-muted);
}
.tag{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.5px;
  color:var(--c-brand);
  background:var(--c-brand-soft);
  padding:4px 9px;
  border-radius:var(--r-tag);
}
.tag--accent{color:var(--c-accent);background:rgba(255,106,43,.12);}
.rail-ctrl{
  display:flex;
  gap:10px;
  margin-top:20px;
}
.rail-ctrl button{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-brand);
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.rail-ctrl button:hover{background:var(--c-brand);color:#fff;border-color:var(--c-brand);}
.rail-ctrl svg{width:16px;height:16px;}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--c-brand);
  border-radius:var(--r-card);
  padding:34px 36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.cta-band h2{
  color:#fff;
  font-size:clamp(20px,2.4vw,28px);
  margin:0;
}
.cta-band p{
  color:rgba(255,255,255,.85);
  font-size:14px;
  margin-top:8px;
}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,transform .15s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--c-brand);color:#fff;border-radius:999px;}
.btn-primary:hover{background:var(--c-brand-ink);color:#fff;transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--c-brand);border-color:var(--c-brand);}
.btn-outline:hover{background:var(--c-brand);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:var(--c-brand-soft);color:var(--c-brand);}
.btn-ghost:hover{background:#d6ebe0;color:var(--c-brand-ink);}
.btn-light{background:#fff;color:var(--c-brand);border-radius:999px;}
.btn-light:hover{background:var(--c-lime);color:var(--c-ink);}
.btn-line-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn-line-light:hover{background:rgba(255,255,255,.14);color:#fff;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--c-brand);
  margin-top:26px;
}
.link-more span{display:inline-block;transition:transform .2s ease;}
.link-more:hover span{transform:translateX(4px);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-dark);
  color:var(--c-dark-text);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{color:#fff;font-size:19px;}
.footer-brand .logo:hover{color:var(--c-lime);}
.footer-desc{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:rgba(216,228,221,.72);
  max-width:320px;
}
.qs{
  margin-top:20px;
  padding:16px;
  border-left:3px solid var(--c-brand);
  background:rgba(255,255,255,.05);
  border-radius:0 var(--r-btn) var(--r-btn) 0;
}
.qs-text{font-size:14px;line-height:1.8;color:var(--c-dark-text);}
.quote-by{
  margin-top:10px;
  font-size:12px;
  color:rgba(216,228,221,.6);
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  font-size:14px;
  color:rgba(216,228,221,.72);
}
.footer-col a:hover{color:#fff;}
.footer-contact p{
  font-size:14px;
  color:rgba(216,228,221,.72);
  margin-bottom:10px;
}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-bottom{
  border-top:1px solid var(--c-dark-line);
  padding:22px 0 30px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(216,228,221,.6);
}
.footer-bottom a{color:rgba(216,228,221,.8);}
.footer-bottom a:hover{color:#fff;}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:70;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 24px;
  border-radius:999px;
  background:var(--c-brand);
  color:#fff;
  font-weight:700;
  font-size:15px;
  border:1px solid var(--c-lime);
  box-shadow:0 10px 26px rgba(15,122,85,.32);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease,background .2s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--c-brand-ink);color:#fff;}
.mobile-bar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:75;
  height:56px;
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  background:var(--c-surface);
  border-top:1px solid var(--c-line);
  box-shadow:0 -4px 18px rgba(11,15,13,.08);
  align-items:center;
  gap:12px;
}
.mobile-bar .btn{flex:1;min-height:40px;font-size:15px;}
.mobile-bar .icon-btn{
  flex:0 0 44px;
  width:44px;height:40px;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--c-brand);
  border-radius:var(--r-btn);
  color:var(--c-brand);
  background:var(--c-brand-soft);
}
.mobile-bar .icon-btn svg{width:18px;height:18px;}

/* ============ 动效 ============ */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .32s cubic-bezier(.22,.61,.36,1),transform .32s cubic-bezier(.22,.61,.36,1);
}
.reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sect:76px;}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:32px;}
  .footer-contact{grid-column:1 / -1;}
}
@media (max-width:991px){
  :root{--sect:64px;}
  .brandrow-inner{gap:14px;}
  .nav-search{width:220px;max-width:30vw;}
  .hotwords{display:none;}
  .metrics{grid-template-columns:1fr 1fr;}
  .metric:last-child{grid-column:1 / -1;}
  .cmp-row{grid-template-columns:1fr;gap:10px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  :root{--sect:52px;}
  .hotwords,.nav-contact{display:none;}
  .nav-search{display:none;}
  .nav-burger{display:inline-flex;margin-left:auto;}
  .float-cta{display:none;}
  .mobile-bar{display:flex;}
  body{padding-bottom:72px;}
  .pagehead{padding:44px 0 40px;}
  .pagehead p{font-size:15px;}
  .metrics{grid-template-columns:1fr;}
  .metric:last-child{grid-column:auto;}
  .cta-band{padding:26px 22px;}
  .rail-card{flex:0 0 78vw;}
}
@media (max-width:559px){
  body{font-size:15px;line-height:1.8;}
  .container{padding:0 16px;}
  .logo-text{font-size:17px;}
  .metric .value{font-size:44px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}