/* roulang page: index */
:root{
  --green:#0F6B4F;
  --green-dark:#0A4E3A;
  --green-soft:#E4F0E9;
  --lemon:#D9F24A;
  --coral:#FF6B4A;
  --bg:#F5F7F2;
  --surface:#FFFFFF;
  --ink:#0B1511;
  --text:#14201A;
  --muted:#5E6B62;
  --border:#D9E2D8;
  --success:#1F9D6A;
  --warn:#D97706;
  --error:#D14343;
  --radius-card:16px;
  --radius-img:18px;
  --radius-pill:999px;
  --radius-input:12px;
  --shadow-sm:0 8px 24px rgba(12,28,20,.08);
  --shadow-md:0 14px 36px rgba(12,28,20,.14);
  --shadow-inset:inset 0 0 0 1px rgba(217,242,74,.18);
  --section-pad:96px;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
h1,h2,h3,h4{margin:0;letter-spacing:-0.02em;font-weight:900;line-height:1.22;color:var(--ink);}
h1{font-size:clamp(2.5rem,6vw,4.5rem);}
h2{font-size:clamp(2rem,4vw,3rem);}
h3{font-size:1.35rem;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.reading{max-width:800px;margin:0 auto;}
.section{padding:var(--section-pad) 0;}
.section--tight{padding:64px 0;}
.section--dark{background:var(--ink);color:#E8F0EA;}
.section--dark h2,.section--dark h3{color:#FFFFFF;}
.section--surface{background:var(--surface);}
.section--green{background:var(--green);color:#EAF6EF;}
.section--green h2,.section--green h3{color:#FFFFFF;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:"Barlow Condensed",sans-serif;
  font-size:.85rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--green);background:var(--green-soft);
  padding:6px 14px;border-radius:var(--radius-pill);
}
.section--dark .eyebrow,.section--green .eyebrow{background:rgba(217,242,74,.14);color:var(--lemon);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{margin-top:16px;}
.section-head p{margin-top:16px;color:var(--muted);font-size:1.05rem;}
.section--dark .section-head p,.section--green .section-head p{color:rgba(232,240,234,.78);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 30px;border-radius:var(--radius-pill);
  font-weight:700;font-size:1rem;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--green);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--green);box-shadow:inset 0 0 0 1.5px var(--green);}
.btn-ghost:hover{background:var(--green-soft);transform:translateY(-2px);}
.btn-lemon{background:var(--lemon);color:var(--ink);}
.btn-lemon:hover{background:#cbe63c;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-light{background:rgba(255,255,255,.1);color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.4);}
.btn-light:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-sm{height:44px;padding:0 22px;font-size:.95rem;}

/* ============ 顶部状态条 + 导航 ============ */
.status-bar{
  background:var(--ink);color:rgba(232,240,234,.78);
  font-size:.8rem;letter-spacing:.02em;
}
.status-bar .container{
  display:flex;align-items:center;justify-content:space-between;
  min-height:36px;gap:16px;flex-wrap:wrap;
}
.status-bar .dot{
  display:inline-block;width:7px;height:7px;border-radius:50%;
  background:var(--lemon);margin-right:8px;
  box-shadow:0 0 0 4px rgba(217,242,74,.16);
}
.status-bar .status-right{display:flex;gap:22px;}
.status-bar a:hover{color:var(--lemon);}

.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,247,242,.92);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,background .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--border);
  box-shadow:0 10px 30px rgba(12,28,20,.08);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:78px;
}
.logo{display:flex;align-items:center;gap:12px;font-weight:900;font-size:1.22rem;color:var(--ink);letter-spacing:-0.02em;}
.logo-mark{
  width:40px;height:40px;border-radius:14px;flex:0 0 40px;
  background:linear-gradient(150deg,var(--green) 0%,var(--green-dark) 100%);
  display:grid;place-items:center;color:var(--lemon);
  font-family:"Barlow Condensed",sans-serif;font-weight:700;font-size:1.05rem;
  box-shadow:var(--shadow-sm);
}
.logo-mark::after{content:"";position:absolute;}
.logo-text small{display:block;font-size:.68rem;font-weight:500;letter-spacing:.18em;color:var(--muted);text-transform:uppercase;}

.nav-pill{
  display:flex;align-items:center;gap:4px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-pill);padding:6px;
  box-shadow:0 4px 14px rgba(12,28,20,.05);
}
.nav-pill a{
  padding:9px 18px;border-radius:var(--radius-pill);
  font-size:.94rem;font-weight:500;color:var(--muted);
  transition:background .2s ease,color .2s ease;
  white-space:nowrap;
}
.nav-pill a:hover{background:var(--green-soft);color:var(--green-dark);}
.nav-pill a.active{background:var(--green);color:#fff;font-weight:700;}

.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:14px;
  background:var(--surface);border:1px solid var(--border);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.drawer{
  display:none;
  border-top:1px solid var(--border);
  background:var(--surface);
}
.drawer.open{display:block;}
.drawer-inner{padding:20px 24px 32px;display:grid;gap:8px;}
.drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 18px;border-radius:14px;background:var(--bg);
  font-weight:600;color:var(--text);border:1px solid transparent;
}
.drawer a.drawer-link:hover{border-color:var(--border);background:var(--green-soft);color:var(--green-dark);}
.drawer a.drawer-link.active{background:var(--green);color:#fff;}
.drawer-cta{margin-top:8px;}
.drawer-cta .btn{width:100%;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:var(--ink);color:#EAF3ED;
  padding:88px 0 96px;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.34;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 12% 20%,rgba(217,242,74,.16),transparent 46%),
    linear-gradient(120deg,rgba(11,21,17,.94) 0%,rgba(11,21,17,.72) 46%,rgba(15,107,79,.62) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:56px;align-items:center;
}
.hero h1{color:#fff;max-width:15ch;}
.hero h1 em{font-style:normal;color:var(--lemon);}
.hero-lead{margin-top:22px;font-size:1.1rem;color:rgba(234,243,237,.82);max-width:56ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:22px;margin-top:36px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14);}
.hero-badge{display:flex;align-items:center;gap:9px;font-size:.88rem;color:rgba(234,243,237,.8);}
.hero-badge i{
  width:22px;height:22px;border-radius:50%;flex:0 0 22px;
  background:rgba(217,242,74,.18);display:grid;place-items:center;
  color:var(--lemon);font-style:normal;font-size:.72rem;font-weight:700;
}
.hero-visual{position:relative;}
.hero-visual .hero-photo{
  border-radius:var(--radius-img);
  overflow:hidden;
  box-shadow:0 30px 70px rgba(0,0,0,.45);
  border:1px solid rgba(217,242,74,.2);
}
.hero-visual .hero-photo img{width:100%;aspect-ratio:4/3.35;object-fit:cover;}
.float-card{
  position:absolute;background:var(--surface);color:var(--text);
  border-radius:16px;padding:16px 18px;box-shadow:var(--shadow-md);
  border:1px solid var(--border);
}
.float-card .fc-label{
  font-family:"Barlow Condensed",sans-serif;font-size:.72rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted);
}
.float-card .fc-value{
  font-family:"Barlow Condensed",sans-serif;font-size:1.9rem;font-weight:700;
  color:var(--green-dark);line-height:1.1;
}
.float-card .fc-sub{font-size:.8rem;color:var(--muted);}
.float-card--score{left:-22px;bottom:52px;}
.float-card--score .fc-row{display:flex;align-items:baseline;gap:10px;}
.float-card--score .fc-team{font-size:.9rem;font-weight:600;}
.float-card--data{right:-16px;top:34px;padding:14px 16px;}
.float-card--data .fc-value{font-size:1.5rem;}

/* ============ 价值指标条 ============ */
.stats-strip{
  background:var(--surface);
  border-bottom:1px solid var(--border);
  position:relative;
}
.stats-strip::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(15,107,79,.10) 1px,transparent 1px);
  background-size:16px 16px;opacity:.5;pointer-events:none;
}
.stats-grid{
  position:relative;
  display:grid;grid-template-columns:repeat(4,1fr);
}
.stat{
  padding:42px 26px;
  border-right:1px dashed var(--border);
}
.stat:last-child{border-right:none;}
.stat-num{
  font-family:"Barlow Condensed",sans-serif;font-weight:700;
  font-size:clamp(2.4rem,4vw,3.1rem);line-height:1;color:var(--green-dark);
}
.stat-num span{font-size:.5em;color:var(--green);margin-left:2px;}
.stat-label{margin-top:10px;font-weight:600;font-size:.98rem;color:var(--text);}
.stat-desc{margin-top:6px;font-size:.85rem;color:var(--muted);}

/* ============ 功能分组 ============ */
.feature-layout{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:28px;align-items:stretch;
}
.feature-panel{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-card);padding:38px;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
  position:relative;overflow:hidden;
}
.feature-panel::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--green);
}
.feature-panel:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#BFD6C7;}
.feature-panel--wide{padding:44px;}
.feature-panel--accent::before{background:var(--lemon);}
.feature-panel--coral::before{background:var(--coral);}
.feature-icon{
  width:48px;height:48px;border-radius:50%;
  background:var(--green-soft);color:var(--green-dark);
  display:grid;place-items:center;font-weight:700;font-size:1.1rem;
  font-family:"Barlow Condensed",sans-serif;
}
.feature-panel h3{margin-top:20px;font-size:1.5rem;}
.feature-panel > p{margin-top:12px;color:var(--muted);}
.feature-list{margin-top:24px;display:grid;gap:12px;}
.feature-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:13px 16px;border-radius:12px;background:var(--bg);
  font-size:.95rem;border:1px solid transparent;
  transition:border-color .2s ease,background .2s ease;
}
.feature-list li:hover{border-color:var(--border);background:var(--green-soft);}
.feature-list li strong{font-weight:700;color:var(--ink);display:block;}
.feature-list li span{color:var(--muted);font-size:.88rem;}
.feature-list .tick{
  flex:0 0 20px;width:20px;height:20px;border-radius:50%;
  background:var(--green);color:#fff;display:grid;place-items:center;
  font-size:.68rem;margin-top:3px;
}
.feature-side{display:grid;gap:28px;}
.feature-cta{margin-top:38px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.feature-cta .hint{font-size:.9rem;color:var(--muted);}

/* ============ 使用场景（标签切换） ============ */
.tab-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px;}
.tab-btn{
  padding:11px 24px;border-radius:var(--radius-pill);
  background:var(--surface);border:1px solid var(--border);
  font-weight:600;font-size:.94rem;color:var(--muted);
  transition:all .2s ease;
}
.tab-btn:hover{border-color:var(--green);color:var(--green-dark);}
.tab-btn.active{background:var(--ink);border-color:var(--ink);color:#fff;}
.tab-panel{display:none;}
.tab-panel.active{display:block;animation:fadeUp .35s ease both;}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;}}
.scene-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center;}
.scene-photo{border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--shadow-md);}
.scene-photo img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.scene-text h3{font-size:1.7rem;}
.scene-text > p{margin-top:16px;color:var(--muted);}
.scene-points{margin-top:22px;display:grid;gap:10px;}
.scene-points li{display:flex;gap:10px;font-size:.95rem;color:var(--text);}
.scene-points li::before{
  content:"";flex:0 0 8px;width:8px;height:8px;border-radius:50%;
  background:var(--lemon);margin-top:9px;box-shadow:0 0 0 4px rgba(217,242,74,.22);
}
.scene-link{margin-top:26px;display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--green);}
.scene-link:hover{color:var(--green-dark);gap:12px;}

/* ============ 案例 ============ */
.case-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:26px;}
.case-main{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.case-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.case-main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.case-body{padding:30px 32px 34px;}
.tag{
  display:inline-block;padding:5px 14px;border-radius:var(--radius-pill);
  background:var(--green-soft);color:var(--green-dark);
  font-size:.78rem;font-weight:700;letter-spacing:.04em;
}
.tag--lemon{background:var(--lemon);color:var(--ink);}
.tag--coral{background:rgba(255,107,74,.14);color:#C1442A;}
.case-body h3{margin-top:16px;font-size:1.5rem;}
.case-body p{margin-top:14px;color:var(--muted);}
.case-quote{
  margin-top:22px;padding:16px 20px;border-left:3px solid var(--green);
  background:var(--bg);border-radius:0 12px 12px 0;font-size:.95rem;color:var(--text);
}
.case-metrics{display:flex;flex-wrap:wrap;gap:32px;margin-top:24px;padding-top:22px;border-top:1px dashed var(--border);}
.case-metric .num{font-family:"Barlow Condensed",sans-serif;font-weight:700;font-size:1.9rem;color:var(--green-dark);line-height:1;}
.case-metric .lb{font-size:.82rem;color:var(--muted);margin-top:6px;}
.case-side{display:grid;gap:26px;}
.case-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;gap:12px;
}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#BFD6C7;}
.case-card h3{font-size:1.15rem;}
.case-card p{font-size:.92rem;color:var(--muted);}
.case-card .num-line{font-family:"Barlow Condensed",sans-serif;font-weight:700;font-size:1.6rem;color:var(--green);}

/* ============ 价格 ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:start;}
.price-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-card);padding:34px 30px 36px;
  box-shadow:var(--shadow-sm);position:relative;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.price-card--feature{
  border-color:var(--green);border-width:2px;
  box-shadow:0 18px 44px rgba(15,107,79,.16);
}
.price-flag{
  position:absolute;top:-14px;left:30px;
  background:var(--lemon);color:var(--ink);
  font-size:.78rem;font-weight:700;padding:6px 16px;border-radius:var(--radius-pill);
}
.price-name{font-weight:700;font-size:1.15rem;}
.price-desc{margin-top:8px;font-size:.9rem;color:var(--muted);min-height:44px;}
.price-amount{
  margin-top:22px;font-family:"Barlow Condensed",sans-serif;
  font-weight:700;font-size:3rem;line-height:1;color:var(--ink);
}
.price-amount .unit{font-size:.92rem;font-family:"Noto Sans SC",sans-serif;font-weight:500;color:var(--muted);margin-left:6px;}
.price-list{margin-top:26px;display:grid;gap:11px;padding-top:24px;border-top:1px dashed var(--border);flex:1;}
.price-list li{display:flex;gap:10px;font-size:.92rem;color:var(--muted);}
.price-list li::before{
  content:"✓";color:var(--green);font-weight:700;font-size:.85rem;
}
.price-card .btn{margin-top:28px;width:100%;}

/* ============ 资讯（CMS 循环） ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.news-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#BFD6C7;}
.news-thumb{position:relative;overflow:hidden;background:var(--green-soft);}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:.8rem;color:var(--muted);}
.news-meta .cat{
  background:var(--green-soft);color:var(--green-dark);
  padding:4px 12px;border-radius:var(--radius-pill);font-weight:700;
}
.news-body h3{font-size:1.16rem;line-height:1.42;}
.news-body h3 a:hover{color:var(--green);}
.news-body p{font-size:.92rem;color:var(--muted);flex:1;}
.news-more{font-weight:700;color:var(--green);font-size:.92rem;display:inline-flex;align-items:center;gap:6px;}
.news-card:hover .news-more{gap:10px;}
.empty-state{
  grid-column:1 / -1;
  border:1px dashed var(--border);border-radius:var(--radius-card);
  background:var(--surface);padding:56px 24px;text-align:center;color:var(--muted);
}
.empty-state .icon{
  width:56px;height:56px;border-radius:50%;background:var(--green-soft);
  color:var(--green);display:grid;place-items:center;margin:0 auto 16px;
  font-size:1.4rem;font-weight:700;
}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--border);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 4px;text-align:left;font-weight:600;font-size:1.05rem;color:var(--text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--green);}
.faq-item.open .faq-q{font-weight:900;color:var(--ink);}
.faq-icon{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;
  background:var(--green-soft);color:var(--green-dark);
  display:grid;place-items:center;font-size:1.05rem;font-weight:700;
  transition:transform .22s ease,background .22s ease,color .22s ease;
}
.faq-item.open .faq-icon{background:var(--green);color:#fff;transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .24s ease,padding .24s ease;
}
.faq-item.open .faq-a{max-height:420px;padding-bottom:24px;}
.faq-a p{color:var(--muted);max-width:78ch;padding-right:50px;}

/* ============ 最终 CTA ============ */
.final-cta{
  position:relative;overflow:hidden;background:var(--ink);color:#EAF3ED;
  border-radius:24px;padding:64px 56px;
  box-shadow:0 26px 60px rgba(11,21,17,.32);
}
.final-cta::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;opacity:.22;
}
.final-cta::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 82% 18%,rgba(217,242,74,.2),transparent 52%);
}
.final-cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:40px;align-items:center;}
.final-cta h2{color:#fff;}
.final-cta p{margin-top:16px;color:rgba(234,243,237,.8);max-width:56ch;}
.final-cta .actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(232,240,234,.72);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand .logo{color:#fff;}
.footer-brand .logo-text small{color:rgba(232,240,234,.5);}
.footer-brand p{margin-top:18px;font-size:.92rem;max-width:34ch;}
.footer-col h4{color:#fff;font-size:.95rem;letter-spacing:.06em;margin-bottom:18px;font-weight:700;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:.92rem;}
.footer-col a:hover{color:var(--lemon);}
.footer-contact li{font-size:.92rem;display:flex;gap:10px;}
.footer-contact li strong{color:rgba(232,240,234,.9);font-weight:600;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0 34px;font-size:.85rem;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
}
.footer-bottom a{color:rgba(232,240,234,.72);}
.footer-bottom a:hover{color:var(--lemon);}

/* ============ 移动端固定 CTA ============ */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  padding:12px 16px calc(12px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.96);border-top:1px solid var(--border);
  box-shadow:0 -8px 24px rgba(12,28,20,.10);
}
.mobile-cta .btn{width:100%;}

@media (max-width:1279px){
  :root{--section-pad:84px;--container:1100px;}
  .float-card--score{left:8px;bottom:24px;}
  .float-card--data{right:8px;top:18px;}
}
@media (max-width:1023px){
  :root{--section-pad:72px;}
  .nav-pill{display:none;}
  .nav-toggle{display:flex;}
  .hero{padding:64px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero h1{max-width:none;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(2){border-right:none;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px dashed var(--border);}
  .feature-layout{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;gap:28px;}
  .case-layout{grid-template-columns:1fr;}
  .price-grid{grid-template-columns:1fr;}
  .price-card--feature{order:-1;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .final-cta{padding:48px 32px;}
  .final-cta-inner{grid-template-columns:1fr;}
  .final-cta .actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  :root{--section-pad:60px;}
  .status-bar .status-right{display:none;}
  .container{padding:0 18px;}
  .hero h1{font-size:clamp(2rem,9vw,2.6rem);}
  .hero-actions .btn{width:100%;}
  .hero-badges{gap:14px;}
  .hero-badge{font-size:.82rem;}
  .float-card--score{position:static;margin-top:-34px;margin-left:14px;display:inline-block;}
  .float-card--data{display:none;}
  .stats-grid{grid-template-columns:1fr;}
  .stat{border-right:none;border-bottom:1px dashed var(--border);padding:30px 4px;}
  .stat:last-child{border-bottom:none;}
  .news-grid{grid-template-columns:1fr;}
  .case-metrics{gap:20px;}
  .final-cta{padding:40px 22px;border-radius:18px;}
  .faq-q{font-size:1rem;padding:20px 2px;}
  .faq-a p{padding-right:0;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .mobile-cta{display:block;}
  body{padding-bottom:76px;}
}
@media (max-width:479px){
  .logo-text small{display:none;}
  .price-amount{font-size:2.5rem;}
  .section-head{margin-bottom:32px;}
}

/* roulang page: article */
:root{
  --green:#0F6B4F;
  --green-dark:#0A4E3A;
  --green-soft:#E3F0EA;
  --lemon:#D9F24A;
  --lemon-dark:#C4DE33;
  --coral:#FF6B4A;
  --bg:#F5F7F2;
  --surface:#FFFFFF;
  --ink:#14201A;
  --ink-soft:#22302A;
  --muted:#5E6B62;
  --border:#D9E2D8;
  --dark:#0B1511;
  --success:#1F9D6A;
  --warn:#D97706;
  --error:#D14343;
  --r-card:16px;
  --r-img:18px;
  --r-btn:999px;
  --r-input:12px;
  --shadow:0 8px 24px rgba(12,28,20,.08);
  --shadow-hover:0 14px 36px rgba(12,28,20,.14);
  --container:1240px;
  --read:800px;
  --sect-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--green);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--green-dark)}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;padding:0}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.22;color:var(--ink)}
p{margin:0}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ Header ============ */
.site-header{position:sticky;top:0;z-index:90;background:rgba(245,247,242,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:background .25s ease,box-shadow .25s ease}
.site-header.is-scrolled{background:#fff;box-shadow:0 10px 30px rgba(12,28,20,.10)}
.topbar{background:var(--dark);color:#C6D7CD;font-size:13px}
.topbar-inner{display:flex;align-items:center;gap:14px;min-height:40px}
.topbar-dot{width:7px;height:7px;border-radius:50%;background:var(--lemon);flex:none;box-shadow:0 0 0 4px rgba(217,242,74,.16)}
.topbar p{flex:1;min-width:0;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar a{color:var(--lemon);font-weight:700;white-space:nowrap}
.topbar a:hover{color:#fff}
.header-inner{display:flex;align-items:center;gap:20px;min-height:76px}
.logo{display:inline-flex;align-items:center;gap:11px;flex:none}
.logo-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(140deg,var(--green) 0%,var(--green-dark) 100%);color:#fff;display:grid;place-items:center;font-weight:800;font-size:15px;letter-spacing:.04em;flex:none}
.logo-text{display:flex;flex-direction:column;line-height:1.12;font-weight:900;font-size:19px;color:var(--ink);letter-spacing:-.01em}
.logo-text small{font-family:"Barlow Condensed","Noto Sans SC",sans-serif;font-weight:600;font-size:11px;letter-spacing:.2em;color:var(--muted);text-transform:uppercase}
.nav-pill{display:flex;align-items:center;gap:2px;margin:0 auto;padding:6px;background:#fff;border:1px solid var(--border);border-radius:var(--r-btn);box-shadow:var(--shadow)}
.nav-pill a{padding:9px 16px;border-radius:var(--r-btn);font-size:14.5px;font-weight:600;color:var(--muted);white-space:nowrap}
.nav-pill a:hover{background:var(--green-soft);color:var(--green-dark)}
.nav-pill a.active{background:var(--green);color:#fff}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:700;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;white-space:nowrap}
.btn:active{transform:translateY(0) scale(.99)}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(15,107,79,.22)}
.btn-primary:hover{background:var(--green-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,107,79,.30)}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--ink)}
.btn-ghost:hover{border-color:var(--green);color:var(--green-dark);background:var(--green-soft)}
.btn-lemon{background:var(--lemon);color:#0B1511}
.btn-lemon:hover{background:var(--lemon-dark);color:#0B1511;transform:translateY(-2px);box-shadow:0 14px 30px rgba(217,242,74,.35)}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:46px;height:46px;border-radius:14px;border:1px solid var(--border);background:#fff;padding:0 12px;flex:none}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease}
.nav-toggle:hover{border-color:var(--green)}

/* ============ Mobile drawer ============ */
.mobile-drawer{position:fixed;inset:0;z-index:150;display:flex;justify-content:flex-end;background:rgba(11,21,17,.55);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease}
.mobile-drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{width:min(350px,88vw);height:100%;background:#fff;padding:20px 20px 28px;display:flex;flex-direction:column;gap:4px;transform:translateX(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);overflow-y:auto}
.mobile-drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:4px 4px 14px;margin-bottom:8px;border-bottom:1px solid var(--border);font-weight:800;font-size:16px}
.drawer-close{width:38px;height:38px;border-radius:12px;background:var(--bg);color:var(--muted);font-size:22px;line-height:1;display:grid;place-items:center}
.drawer-close:hover{background:var(--green-soft);color:var(--green-dark)}
.drawer-panel > a{padding:14px 14px;border-radius:12px;font-size:15.5px;font-weight:600;color:var(--ink-soft)}
.drawer-panel > a:hover,.drawer-panel > a:focus-visible{background:var(--green-soft);color:var(--green-dark)}
.drawer-cta{margin-top:16px;height:50px;color:#0B1511}
.drawer-note{margin-top:14px;font-size:13px;color:var(--muted);line-height:1.7}

/* ============ Article hero ============ */
.article-hero{padding:34px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--green)}
.breadcrumb i{font-style:normal;color:#BAC6BD}
.breadcrumb .current{color:var(--green);font-weight:700}
.article-head{margin-top:24px;max-width:920px}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-btn);background:var(--green-soft);color:var(--green-dark);font-size:13px;font-weight:700;letter-spacing:.02em}
.article-head h1{margin-top:16px;font-size:clamp(1.85rem,4.1vw,3rem);line-height:1.24;font-weight:900}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;margin-top:20px;font-size:14px;color:var(--muted)}
.article-meta i{font-style:normal;width:4px;height:4px;border-radius:50%;background:#C4D0C7}
.article-meta strong{color:var(--green-dark);font-weight:700}
.article-deck{max-width:820px;margin-top:18px;font-size:16.5px;line-height:1.8;color:var(--muted)}

/* ============ Article body ============ */
.article-section{padding:48px 0 88px}
.article-paper{max-width:var(--read);margin:0 auto;background:var(--surface);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow);padding:38px 46px 48px}
.article-cover{margin:0 0 30px;border-radius:var(--r-img);overflow:hidden;background:var(--green-soft)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-cover figcaption{font-size:13px;color:var(--muted);padding:10px 4px 0;text-align:center}
.article-content{font-size:17px;line-height:1.85;color:var(--ink-soft)}
.article-content > *:first-child{margin-top:0}
.article-content p{margin:0 0 1.2em}
.article-content h2{margin:48px 0 16px;font-size:clamp(1.35rem,2.5vw,1.8rem);line-height:1.35;padding-left:14px;border-left:5px solid var(--green);color:var(--ink)}
.article-content h3{margin:32px 0 12px;font-size:1.22rem;line-height:1.45;color:var(--green-dark)}
.article-content h4{margin:24px 0 10px;font-size:1.05rem;color:var(--ink)}
.article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:1.5em}
.article-content li{margin-bottom:.5em}
.article-content ul li::marker{color:var(--green)}
.article-content ol li::marker{color:var(--green);font-weight:700}
.article-content blockquote{margin:28px 0;padding:16px 22px;border-left:4px solid var(--green);background:var(--green-soft);border-radius:0 12px 12px 0;color:#284038}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:12px;margin:24px 0}
.article-content figure{margin:24px 0}
.article-content figure img{margin:0 0 8px}
.article-content figcaption{font-size:13px;color:var(--muted);text-align:center}
.article-content a{color:var(--green-dark);font-weight:600;border-bottom:1px solid rgba(15,107,79,.35)}
.article-content a:hover{color:var(--green);border-bottom-color:var(--green)}
.article-content strong{color:var(--ink);font-weight:700}
.article-content hr{border:0;border-top:1px solid var(--border);margin:36px 0}
.article-content code{background:#EEF3EC;border:1px solid var(--border);border-radius:8px;padding:2px 6px;font-size:14px}
.article-content pre{background:var(--dark);color:#DDEAE3;border-radius:12px;padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:24px 0}
.article-content pre code{background:none;border:0;padding:0;color:inherit}
.article-content table{display:block;width:100%;max-width:100%;overflow-x:auto;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-content th,.article-content td{border:1px solid var(--border);padding:10px 14px;text-align:left;white-space:nowrap}
.article-content th{background:var(--green-soft);color:var(--green-dark);font-weight:700}

/* ============ Empty state ============ */
.empty-state{text-align:center;padding:60px 24px;border:1px dashed var(--border);border-radius:var(--r-card);background:#FAFBF8}
.empty-icon{width:58px;height:58px;margin:0 auto 18px;border-radius:50%;background:var(--green-soft);color:var(--green);display:grid;place-items:center;font-size:24px;font-weight:800}
.empty-state h2{font-size:1.4rem;margin-bottom:10px}
.empty-state p{color:var(--muted);margin-bottom:22px;font-size:15px}

/* ============ Related ============ */
.related{padding:0 0 var(--sect-y)}
.section-head{max-width:680px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--green);text-transform:uppercase;font-family:"Barlow Condensed","Noto Sans SC",sans-serif}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--lemon)}
.section-head h2{margin-top:14px;font-size:clamp(1.5rem,3vw,2.1rem)}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px}
.rel-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.rel-card:hover,.rel-card:focus-within{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#B7D6C7}
.rel-thumb{display:block;overflow:hidden;background:var(--green-soft)}
.rel-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-tag{font-size:12.5px;font-weight:700;color:var(--green-dark);background:var(--green-soft);border-radius:var(--r-btn);padding:4px 12px;align-self:flex-start}
.rel-body h3{font-size:1.06rem;line-height:1.5}
.rel-body h3 a{color:var(--ink)}
.rel-body h3 a:hover{color:var(--green)}
.rel-body p{font-size:14px;color:var(--muted);line-height:1.75;flex:1}
.rel-more{font-size:14px;font-weight:700;color:var(--green)}

/* ============ Back bar / CTA ============ */
.back-bar{margin-top:44px;padding:26px 30px;border-radius:var(--r-card);background:var(--dark);color:#C6D7CD;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;position:relative;overflow:hidden}
.back-bar::after{content:"";position:absolute;right:-60px;top:-70px;width:230px;height:230px;border-radius:50%;border:34px solid rgba(217,242,74,.10);pointer-events:none}
.back-bar h3{color:#fff;font-size:1.15rem;margin-bottom:6px}
.back-bar p{margin:0;font-size:14px;color:#9DB0A6}
.back-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}

/* ============ Footer ============ */
.site-footer{background:var(--dark);color:#C9D8D0;padding:68px 0 30px;position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;left:-120px;bottom:-160px;width:380px;height:380px;border-radius:50%;border:40px solid rgba(15,107,79,.28);pointer-events:none}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:38px;position:relative;z-index:1}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text small{color:rgba(255,255,255,.42)}
.footer-brand p{margin:18px 0 0;font-size:14px;line-height:1.85;color:#9DB0A6;max-width:350px}
.footer-col h4{margin:0 0 16px;font-size:15px;color:#fff;letter-spacing:.01em}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:10px}
.footer-col a{color:#A9BDB2;font-size:14px}
.footer-col a:hover{color:var(--lemon)}
.footer-contact li{font-size:14px;color:#A9BDB2;line-height:1.7}
.footer-contact strong{color:#E5EFE9;font-weight:600}
.footer-bottom{margin-top:46px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.5px;color:#8A9E93;position:relative;z-index:1}
.footer-bottom a{color:#A9BDB2}
.footer-bottom a:hover{color:var(--lemon)}

/* ============ Responsive ============ */
@media (max-width:1279px){
  .nav-pill a{padding:9px 12px;font-size:13.5px}
  .header-inner{gap:14px}
}
@media (max-width:1023px){
  :root{--sect-y:72px}
  .nav-pill,.header-actions .btn-ghost{display:none}
  .nav-toggle{display:flex}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .article-paper{padding:32px 30px 38px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .topbar-inner{min-height:38px}
  .topbar p{font-size:12.5px}
  .header-inner{min-height:66px}
  .logo-text{font-size:17px}
  .logo-mark{width:38px;height:38px;border-radius:12px}
  .article-hero{padding:24px 0 0}
  .article-section{padding:32px 0 64px}
  .article-paper{padding:24px 20px 30px;border-radius:16px}
  .article-content{font-size:16.5px}
  .article-content h2{margin:36px 0 14px;padding-left:12px;border-left-width:4px}
  .article-content h3{margin:26px 0 10px}
  .related-grid{grid-template-columns:1fr}
  .back-bar{padding:22px 20px}
  .back-actions{width:100%}
  .back-actions .btn{flex:1;min-width:140px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{padding:52px 0 26px}
}
@media (max-width:479px){
  .header-actions{gap:8px}
  .btn{height:44px;padding:0 18px;font-size:14.5px}
  .article-head h1{font-size:1.6rem}
  .article-meta{font-size:13px;gap:6px 12px}
  .rel-body{padding:18px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --green:#0F6B4F;
  --green-dark:#0A4E3A;
  --green-soft:#E6F1EB;
  --lemon:#D9F24A;
  --coral:#FF6B4A;
  --bg:#F5F7F2;
  --surface:#FFFFFF;
  --ink:#0B1511;
  --text:#14201A;
  --muted:#5E6B62;
  --line:#D9E2D8;
  --ok:#1F9D6A;
  --warn:#D97706;
  --err:#D14343;
  --r-card:16px;
  --r-img:18px;
  --r-pill:999px;
  --r-input:12px;
  --sh-1:0 8px 24px rgba(12,28,20,.08);
  --sh-2:0 14px 36px rgba(12,28,20,.14);
  --sec:96px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Oswald","Arial Narrow",var(--font);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font);font-size:17px;line-height:1.75;font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-0.02em;line-height:1.22;font-weight:800;}
h1{font-size:clamp(2.5rem,6vw,4.5rem);}
h2{font-size:clamp(1.9rem,3.6vw,2.9rem);}
h3{font-size:clamp(1.2rem,1.8vw,1.45rem);font-weight:700;}
h4{font-size:1.05rem;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:6px;}

.container{width:min(100% - 40px,1240px);margin-inline:auto;}
.narrow{width:min(100% - 40px,820px);margin-inline:auto;}

/* ============ 顶部状态条 ============ */
.topbar{
  background:var(--green-dark);color:#DCEDE5;font-size:13px;letter-spacing:.01em;
  padding:7px 0;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar strong{color:var(--lemon);font-weight:700;}
.topbar .topbar-right{display:flex;gap:18px;align-items:center;color:#B9D5C8;}
.topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--lemon);display:inline-block;margin-right:6px;vertical-align:middle;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(245,247,242,.86);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck{background:rgba(255,255,255,.96);box-shadow:0 6px 22px rgba(12,28,20,.09);border-bottom-color:var(--line);}
.header-inner{display:flex;align-items:center;gap:20px;min-height:76px;}
.logo{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;}
.logo-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--green),var(--green-dark));
  color:var(--lemon);font-family:var(--font-num);font-weight:700;font-size:19px;letter-spacing:.02em;
  box-shadow:inset 0 0 0 1px rgba(217,242,74,.35);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;font-weight:800;font-size:1.12rem;color:var(--ink);}
.logo-text small{font-family:var(--font-num);font-size:11px;letter-spacing:.16em;color:var(--muted);font-weight:600;text-transform:uppercase;}
.nav-pill{
  display:flex;align-items:center;gap:4px;margin-inline:auto;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:6px;box-shadow:var(--sh-1);
}
.nav-pill a{
  padding:9px 16px;border-radius:var(--r-pill);font-size:15px;color:var(--muted);font-weight:500;
  white-space:nowrap;transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-pill a:hover{background:var(--green-soft);color:var(--green-dark);}
.nav-pill a.active{background:var(--green);color:#fff;font-weight:700;box-shadow:0 6px 14px rgba(15,107,79,.28);}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);place-items:center;box-shadow:var(--sh-1);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:rgba(11,21,17,.55);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;right:0;top:0;bottom:0;width:min(88%,360px);background:var(--surface);
  padding:24px 22px 100px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s cubic-bezier(.4,0,.2,1);
}
.mobile-drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--bg);font-size:20px;color:var(--muted);}
.drawer-panel a.drawer-link{
  padding:14px 16px;border-radius:12px;border:1px solid var(--line);background:var(--surface);
  font-size:16px;color:var(--text);font-weight:500;
}
.drawer-panel a.drawer-link.active{background:var(--green-soft);border-color:var(--green);color:var(--green-dark);font-weight:700;}
.drawer-cta{margin-top:16px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);font-size:16px;font-weight:700;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  border:1px solid transparent;line-height:1.2;
}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(15,107,79,.24);}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,107,79,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--green-dark);border-color:var(--green);}
.btn-ghost:hover{background:var(--green-soft);transform:translateY(-2px);}
.btn-lemon{background:var(--lemon);color:var(--ink);box-shadow:0 10px 26px rgba(217,242,74,.3);}
.btn-lemon:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(217,242,74,.42);}
.btn-light{background:#fff;color:var(--green-dark);}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn:disabled,.btn.is-disabled{opacity:.5;pointer-events:none;}
.btn.is-loading{position:relative;color:transparent;}
.btn.is-loading::after{
  content:"";position:absolute;width:18px;height:18px;border-radius:50%;
  border:2px solid rgba(255,255,255,.45);border-top-color:#fff;animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}

/* ============ Hero ============ */
.hero-cat{
  position:relative;overflow:hidden;background:var(--ink);color:#EAF3EE;
  padding:72px 0 88px;
}
.hero-cat::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;opacity:.34;
}
.hero-cat::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,21,17,.94) 0%,rgba(11,21,17,.78) 46%,rgba(10,78,58,.55) 100%);
}
.hero-cat .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;color:var(--lemon);font-family:var(--font-num);
  background:rgba(217,242,74,.12);border:1px solid rgba(217,242,74,.35);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:20px;
}
.hero-cat h1{color:#fff;margin-bottom:18px;}
.hero-cat h1 em{font-style:normal;color:var(--lemon);}
.hero-cat p.lead{font-size:1.06rem;color:#C6D8CE;max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.badge{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#D8E8DF;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lemon);}
.hero-media{position:relative;}
.hero-media img{border-radius:var(--r-img);box-shadow:0 24px 60px rgba(0,0,0,.42);border:1px solid rgba(217,242,74,.22);}
.float-card{
  position:absolute;left:-22px;bottom:-26px;background:#fff;color:var(--text);
  border-radius:14px;padding:16px 18px;box-shadow:var(--sh-2);border-left:4px solid var(--lemon);
  min-width:210px;
}
.float-card .fc-top{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted);margin-bottom:6px;}
.float-card .fc-score{font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--ink);letter-spacing:.03em;line-height:1;}
.float-card .fc-foot{font-size:12px;color:var(--muted);margin-top:8px;}

/* ============ 通用板块 ============ */
section{position:relative;}
.section{padding:var(--sec) 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:52px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:1.02rem;}
.section-head.center{margin-inline:auto;text-align:center;}

/* ============ 面包屑 ============ */
.breadcrumb{font-size:13.5px;color:var(--muted);padding:20px 0 0;display:flex;flex-wrap:wrap;gap:8px;}
.breadcrumb a:hover{color:var(--green);}
.breadcrumb .sep{color:#B7C4BB;}
.breadcrumb .current{color:var(--green-dark);font-weight:700;}

/* ============ 交替图文 ============ */
.zigzag{display:flex;flex-direction:column;gap:72px;}
.zig-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.zig-row.reverse .zig-media{order:2;}
.zig-media{position:relative;}
.zig-media img{border-radius:var(--r-img);box-shadow:var(--sh-2);}
.zig-media .tag-float{
  position:absolute;top:16px;left:16px;background:var(--lemon);color:var(--ink);
  font-size:12.5px;font-weight:700;padding:6px 14px;border-radius:var(--r-pill);
}
.zig-body h3{margin-bottom:12px;}
.zig-body p{color:var(--muted);margin-bottom:20px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px dashed var(--line);
  font-size:15.5px;color:var(--text);
}
.check-list li:last-child{border-bottom:0;}
.check-list li::before{
  content:"";flex:0 0 auto;width:20px;height:20px;margin-top:3px;border-radius:6px;
  background:var(--green-soft) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230F6B4F' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/13px no-repeat;
}
.inline-link{color:var(--green-dark);font-weight:700;border-bottom:2px solid var(--lemon);padding-bottom:1px;}
.inline-link:hover{color:var(--green);}

/* ============ 指标条 ============ */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--ink);border-radius:20px;overflow:hidden;
  background-image:radial-gradient(rgba(217,242,74,.16) 1px,transparent 1px);
  background-size:18px 18px;
}
.metric{padding:34px 28px;border-right:1px solid rgba(255,255,255,.09);}
.metric:last-child{border-right:0;}
.metric .num{font-family:var(--font-num);font-size:clamp(2rem,3.4vw,2.7rem);font-weight:700;color:var(--lemon);line-height:1;}
.metric .lbl{margin-top:10px;font-size:14px;color:#BED3C7;}

/* ============ 步骤条 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step;}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 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-2);border-color:#BEDCCB;}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--green);
  display:inline-block;background:var(--green-soft);border-radius:var(--r-pill);padding:4px 12px;margin-bottom:14px;
}
.step h3{font-size:1.1rem;margin-bottom:9px;}
.step p{font-size:14.5px;color:var(--muted);}
.step::after{
  content:"";position:absolute;right:-14px;top:50%;width:14px;height:2px;background:var(--line);transform:translateY(-50%);
}
.step:last-child::after{display:none;}

/* ============ 环境检查清单卡 ============ */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.check-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;
  box-shadow:var(--sh-1);border-top:4px solid var(--green);
  transition:transform .2s ease,box-shadow .2s ease;
}
.check-card:nth-child(2){border-top-color:var(--lemon);}
.check-card:nth-child(3){border-top-color:var(--coral);}
.check-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.check-card h3{font-size:1.1rem;margin-bottom:10px;}
.check-card p{font-size:14.8px;color:var(--muted);}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin-inline:auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:1.04rem;font-weight:700;color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--green-dark);}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;background:var(--green-soft);color:var(--green-dark);
  font-size:19px;font-weight:700;line-height:1;transition:transform .22s ease,background .22s ease;
}
.faq-item[open] summary{color:var(--green-dark);}
.faq-item[open] summary::after{transform:rotate(45deg);background:var(--lemon);color:var(--ink);}
.faq-body{padding:0 4px 24px;color:var(--muted);font-size:15.6px;max-width:760px;}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(120deg,var(--green-dark),var(--green));color:#fff;
  border-radius:24px;padding:56px 52px;position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.4fr .6fr;gap:36px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  border:36px solid rgba(217,242,74,.16);
}
.cta-band h2{color:#fff;font-size:clamp(1.8rem,3vw,2.4rem);margin-bottom:14px;}
.cta-band p{color:#CFE4D9;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.cta-side{position:relative;z-index:2;display:flex;justify-content:flex-end;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#B9CCC1;padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text small{color:#8FA79A;}
.footer-brand p{font-size:14.6px;color:#93A99D;max-width:330px;}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:18px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{font-size:14.6px;color:#A9BFB3;}
.footer-col ul li a:hover{color:var(--lemon);}
.footer-contact li{font-size:14.4px;color:#A9BFB3;}
.footer-contact strong{color:#DCEBE3;font-weight:600;}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.6px;color:#8FA79A;
}
.footer-bottom a{color:#A9BFB3;}
.footer-bottom a:hover{color:var(--lemon);}

/* ============ 移动固定 CTA ============ */
.mobile-cta-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  padding:12px 16px;box-shadow:0 -6px 20px rgba(12,28,20,.1);
}
.mobile-cta-bar .btn{width:100%;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{width:min(100% - 36px,1100px);}
  .hero-grid{gap:40px;}
}
@media (max-width:1023px){
  :root{--sec:76px;}
  .nav-pill{display:none;}
  .nav-toggle{display:grid;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-media{max-width:560px;}
  .float-card{left:auto;right:12px;bottom:-20px;}
  .zig-row{grid-template-columns:1fr;gap:30px;}
  .zig-row.reverse .zig-media{order:0;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .metric{border-right:0;border-bottom:1px solid rgba(255,255,255,.09);}
  .metric:nth-child(2n){border-right:0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step::after{display:none;}
  .check-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-band{grid-template-columns:1fr;padding:44px 34px;}
  .cta-side{justify-content:flex-start;}
}
@media (max-width:767px){
  :root{--sec:60px;}
  body{font-size:16px;}
  .topbar .topbar-right{display:none;}
  .header-inner{min-height:66px;gap:12px;}
  .logo-text small{display:none;}
  .hero-cat{padding:52px 0 66px;}
  .hero-actions .btn{width:100%;}
  .metrics{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .section-head{margin-bottom:36px;}
  .cta-band{padding:34px 22px;border-radius:18px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:10px;}
  .mobile-cta-bar{display:block;}
  .site-footer{padding-bottom:96px;}
}
@media (max-width:479px){
  .container{width:calc(100% - 28px);}
  .hero-cat h1{font-size:2.1rem;}
  .float-card{position:static;margin-top:18px;min-width:0;}
  .btn{padding:13px 22px;font-size:15px;}
}

/* roulang page: category2 */
:root{
  --brand:#0F6B4F;
  --brand-dark:#0A4E3A;
  --brand-soft:#E6F1EA;
  --lemon:#D9F24A;
  --coral:#FF6B4A;
  --bg:#F5F7F2;
  --surface:#FFFFFF;
  --ink:#14201A;
  --muted:#5E6B62;
  --line:#D9E2D8;
  --dark:#0B1511;
  --success:#1F9D6A;
  --warn:#D97706;
  --error:#D14343;
  --r-card:16px;
  --r-img:18px;
  --r-pill:999px;
  --r-input:12px;
  --sh-1:0 8px 24px rgba(12,28,20,.08);
  --sh-2:0 14px 36px rgba(12,28,20,.14);
  --container:1240px;
  --gap:24px;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--brand);}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.22;font-weight:800;}
h1{font-size:clamp(2.5rem,6vw,4.5rem);}
h2{font-size:clamp(2rem,4vw,3rem);}
h3{font-size:1.3rem;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--sec) 0;}
.section.tight{padding:64px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;font-weight:700;
  color:var(--brand);text-transform:uppercase;
  background:var(--brand-soft);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--coral);}
.lead{color:var(--muted);font-size:1.05rem;max-width:760px;}
.section-head{margin-bottom:48px;max-width:820px;}
.section-head h2{margin-bottom:16px;}

/* 顶部状态条 */
.top-strip{
  background:var(--dark);color:#D7E4DC;font-size:13px;
  letter-spacing:.02em;
}
.top-strip .container{
  display:flex;justify-content:space-between;align-items:center;
  gap:16px;min-height:38px;flex-wrap:wrap;
}
.top-strip strong{color:var(--lemon);font-weight:700;}
.top-strip span{display:inline-flex;align-items:center;gap:8px;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,247,242,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:0 6px 24px rgba(12,28,20,.08);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;min-height:76px;
}
.logo{display:inline-flex;align-items:center;gap:12px;flex-shrink:0;}
.logo-mark{
  width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;
  background:var(--brand);color:#fff;
  font-weight:900;font-size:.95rem;letter-spacing:.04em;
  box-shadow:0 6px 16px rgba(15,107,79,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1;font-weight:800;font-size:1.06rem;}
.logo-text small{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.16em;text-transform:uppercase;}

.nav-pill{
  display:flex;align-items:center;gap:4px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:6px;
  box-shadow:var(--sh-1);
}
.nav-pill a{
  display:inline-block;
  padding:9px 16px;border-radius:var(--r-pill);
  font-size:.94rem;font-weight:600;color:var(--muted);
  white-space:nowrap;transition:background .2s ease,color .2s ease;
}
.nav-pill a:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-pill a.active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(15,107,79,.26);}

.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:14px;
  border:1px solid var(--line);background:var(--surface);
  align-items:center;justify-content:center;
}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:var(--r-pill);
  font-size:1rem;font-weight:700;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  border:1px solid transparent;
}
.btn-sm{height:44px;padding:0 20px;font-size:.92rem;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(15,107,79,.24);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:var(--brand-dark);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px);}
.btn-lemon{background:var(--lemon);color:#0B1511;box-shadow:0 10px 24px rgba(217,242,74,.28);}
.btn-lemon:hover{background:#CDE93A;color:#0B1511;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;}

/* 面包屑 */
.breadcrumb{
  padding:26px 0 6px;font-size:13.5px;color:var(--muted);
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:var(--brand-dark);font-weight:700;}

/* Hero */
.hero-cat{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 88% -10%,rgba(217,242,74,.22),transparent 62%),
    linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
}
.hero-cat::after{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;
  border:1px dashed rgba(15,107,79,.22);border-radius:50%;pointer-events:none;
}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding:56px 0 84px;position:relative;z-index:2;
}
.hero-copy h1{margin-bottom:20px;}
.hero-copy h1 em{font-style:normal;color:var(--brand);}
.hero-copy .lead{font-size:1.08rem;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--muted);
  box-shadow:0 4px 12px rgba(12,28,20,.05);
}
.badge i{width:7px;height:7px;border-radius:50%;background:var(--success);display:inline-block;}
.badge.lemon i{background:var(--lemon);}
.badge.coral i{background:var(--coral);}

.hero-media{position:relative;}
.hero-media > img{
  width:100%;height:420px;object-fit:cover;
  border-radius:var(--r-img);
  box-shadow:var(--sh-2);
}
.hero-float{
  position:absolute;left:-22px;bottom:-26px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:18px 20px;
  box-shadow:var(--sh-2);min-width:236px;
}
.hero-float .hl{
  font-size:12px;font-weight:700;letter-spacing:.12em;
  color:var(--muted);text-transform:uppercase;margin-bottom:8px;
}
.hero-float .hv{font-size:1.6rem;font-weight:800;color:var(--brand-dark);line-height:1.1;}
.hero-float .hs{font-size:13px;color:var(--muted);margin-top:6px;}
.hero-float::before{
  content:"";position:absolute;left:0;top:0;width:4px;height:100%;
  background:var(--lemon);border-radius:var(--r-card) 0 0 var(--r-card);
}

/* 介绍区 */
.intro-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;
}
.intro-grid p{color:var(--muted);margin-bottom:18px;}
.intro-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--sh-1);
}
.intro-panel h3{margin-bottom:16px;}
.checklist li{
  position:relative;padding-left:30px;margin-bottom:14px;
  color:var(--ink);font-size:.98rem;
}
.checklist li::before{
  content:"";position:absolute;left:0;top:9px;width:16px;height:16px;border-radius:50%;
  background:var(--brand-soft);
}
.checklist li::after{
  content:"";position:absolute;left:5px;top:13px;width:6px;height:3px;
  border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);
}

/* 卡片矩阵 */
.matrix{
  display:grid;grid-template-columns:repeat(12,1fr);
  gap:var(--gap);
}
.card{
  position:relative;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;gap:12px;
}
.card::before{
  content:"";position:absolute;left:0;top:0;height:4px;width:58px;
  background:var(--brand);border-radius:0 0 6px 0;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#BED7C8;}
.card:hover::before{background:var(--lemon);}
.card-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-dark);font-weight:800;font-size:1rem;
  margin-top:6px;
}
.card h3{font-size:1.22rem;}
.card p{color:var(--muted);font-size:.95rem;}
.card-tag{
  align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:.08em;
  padding:5px 12px;border-radius:var(--r-pill);
  background:#F1F5EE;color:var(--muted);border:1px solid var(--line);
}
.card.wide{
  background:linear-gradient(120deg,var(--dark) 0%,#11241C 100%);
  border-color:#1C362A;color:#E8F1EA;
}
.card.wide::before{background:var(--coral);}
.card.wide h3{color:#fff;}
.card.wide p{color:#A9BFB3;}
.card.wide .card-icon{background:rgba(217,242,74,.16);color:var(--lemon);}
.card.wide .card-tag{background:rgba(255,255,255,.08);color:#C9DCD0;border-color:rgba(255,255,255,.14);}
.card-media{
  border-radius:var(--r-img);overflow:hidden;margin:-6px -6px 6px;
}
.card-media img{width:100%;height:170px;object-fit:cover;border-radius:14px;}
.m1{grid-column:span 7;}
.m2{grid-column:span 5;}
.m3{grid-column:span 4;}
.m4{grid-column:span 4;}
.m5{grid-column:span 4;}
.m6{grid-column:span 12;}

/* 步骤条 */
.steps-wrap{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:44px 36px;box-shadow:var(--sh-1);
}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);position:relative;}
.steps::before{
  content:"";position:absolute;top:26px;left:6%;right:6%;height:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 10px,transparent 10px 18px);
}
.step{position:relative;padding-top:62px;}
.step-num{
  position:absolute;top:0;left:0;width:54px;height:54px;border-radius:50%;
  background:var(--surface);border:2px solid var(--brand);
  display:grid;place-items:center;font-weight:800;color:var(--brand-dark);
  font-size:1.05rem;z-index:2;
}
.step:nth-child(2) .step-num{border-color:#8CC9AE;}
.step:nth-child(3) .step-num{border-color:#B9C86E;}
.step:nth-child(4) .step-num{border-color:var(--coral);}
.step h3{font-size:1.12rem;margin-bottom:8px;}
.step p{color:var(--muted);font-size:.93rem;}

/* 指标条 */
.metrics{
  background:var(--dark);color:#E8F1EA;border-radius:22px;
  padding:52px 40px;position:relative;overflow:hidden;
}
.metrics::after{
  content:"";position:absolute;right:-90px;bottom:-140px;width:340px;height:340px;
  border-radius:50%;border:1px dashed rgba(217,242,74,.28);
}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);position:relative;z-index:2;}
.metric{border-left:2px solid rgba(217,242,74,.5);padding-left:20px;}
.metric strong{display:block;font-size:clamp(2rem,3.4vw,2.7rem);font-weight:900;line-height:1;color:#fff;letter-spacing:-.02em;}
.metric span{display:block;margin-top:10px;font-size:13.5px;color:#A9BFB3;}
.metrics-head{max-width:640px;margin-bottom:36px;position:relative;z-index:2;}
.metrics-head h2{color:#fff;margin-bottom:12px;}
.metrics-head p{color:#A9BFB3;}

/* 对照列表 */
.rows{border-top:1px solid var(--line);}
.row{
  display:grid;grid-template-columns:1.1fr 1.2fr .8fr;gap:20px;
  padding:22px 0;border-bottom:1px solid var(--line);align-items:center;
}
.row h3{font-size:1.06rem;}
.row p{color:var(--muted);font-size:.93rem;}
.row .state{
  justify-self:start;font-size:12.5px;font-weight:700;
  padding:6px 14px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand-dark);
}
.row .state.warn{background:#FDF1DE;color:var(--warn);}

/* FAQ */
.faq{max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:14px;margin-bottom:14px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#BED7C8;}
.faq-item.open{box-shadow:var(--sh-1);border-color:var(--brand);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;text-align:left;font-size:1.03rem;font-weight:700;color:var(--ink);
}
.faq-item.open .faq-q{color:var(--brand-dark);}
.faq-icon{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-dark);
  display:grid;place-items:center;font-size:18px;line-height:1;font-weight:700;
  transition:transform .22s ease,background .22s ease;
}
.faq-item.open .faq-icon{background:var(--brand);color:#fff;transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .24s ease;
}
.faq-a p{padding:0 24px 24px;color:var(--muted);font-size:.96rem;}

/* CTA */
.cta-band{
  background:linear-gradient(120deg,var(--brand) 0%,var(--brand-dark) 100%);
  border-radius:24px;padding:64px 48px;color:#fff;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;
  border-radius:50%;border:1px dashed rgba(255,255,255,.28);
}
.cta-band h2{color:#fff;margin-bottom:16px;max-width:720px;}
.cta-band p{color:rgba(255,255,255,.82);max-width:640px;margin-bottom:30px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;}

/* 页脚 */
.site-footer{background:var(--dark);color:#C5D6CB;margin-top:var(--sec);padding:72px 0 26px;font-size:.94rem;}
.site-footer .logo-text{color:#fff;}
.site-footer .logo-text small{color:#7E9689;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand p{color:#8FA79A;margin-top:18px;font-size:.92rem;max-width:340px;}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:18px;font-weight:700;}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{color:#A9BFB3;font-size:.92rem;transition:color .2s ease;}
.footer-col ul li a:hover{color:var(--lemon);}
.footer-contact li{color:#A9BFB3;font-size:.92rem;}
.footer-contact strong{color:#E4EFE7;font-weight:600;}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:#7E9689;font-size:13px;
}
.footer-bottom a{color:#A9BFB3;}
.footer-bottom a:hover{color:var(--lemon);}

/* 响应式 */
@media (max-width:1279px){
  :root{--container:1100px;--sec:84px;}
  .hero-media > img{height:380px;}
}
@media (max-width:1023px){
  :root{--sec:72px;}
  .nav-pill{display:none;}
  .nav-toggle{display:flex;}
  body.nav-open .nav-pill{
    display:flex;flex-direction:column;align-items:stretch;gap:6px;
    position:fixed;left:16px;right:16px;top:126px;z-index:80;
    background:var(--surface);padding:16px;border-radius:20px;
    box-shadow:var(--sh-2);max-height:70vh;overflow:auto;
  }
  body.nav-open .nav-pill a{padding:14px 18px;border-radius:14px;font-size:1rem;}
  .hero-grid{grid-template-columns:1fr;gap:40px;padding:40px 0 68px;}
  .hero-media > img{height:320px;}
  .hero-float{left:16px;bottom:-20px;}
  .intro-grid{grid-template-columns:1fr;gap:32px;}
  .m1,.m2{grid-column:span 12;}
  .m3,.m4,.m5{grid-column:span 6;}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px;}
  .steps::before{display:none;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .row{grid-template-columns:1fr;gap:10px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .header-inner{min-height:68px;}
  .logo-text{font-size:1rem;}
  .logo-text small{display:none;}
  .header-actions .btn-sm{padding:0 16px;}
  .hero-grid{padding:32px 0 56px;}
  .hero-cta .btn{width:100%;}
  .hero-media > img{height:250px;}
  .hero-float{position:static;margin-top:18px;left:auto;bottom:auto;}
  .hero-float::before{border-radius:14px;}
  .card{padding:22px;}
  .steps-wrap{padding:28px 22px;}
  .steps{grid-template-columns:1fr;}
  .metrics{padding:36px 22px;border-radius:18px;}
  .metrics-grid{grid-template-columns:1fr;}
  .cta-band{padding:44px 24px;border-radius:18px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:479px){
  h1{font-size:2rem;}
  h2{font-size:1.6rem;}
  .m3,.m4,.m5{grid-column:span 12;}
  .faq-q{font-size:.98rem;padding:18px;}
}

/* roulang page: category3 */
:root{
  --green:#0F6B4F;
  --green-dark:#0A4E3A;
  --green-soft:#E4F0E8;
  --lime:#D9F24A;
  --coral:#FF6B4A;
  --bg:#F5F7F2;
  --surface:#FFFFFF;
  --dark:#0B1511;
  --ink:#14201A;
  --muted:#5E6B62;
  --line:#D9E2D8;
  --success:#1F9D6A;
  --warn:#D97706;
  --error:#D14343;
  --radius-card:16px;
  --radius-img:18px;
  --radius-input:12px;
  --shadow:0 8px 24px rgba(12,28,20,.08);
  --shadow-hover:0 14px 36px rgba(12,28,20,.14);
  --container:1240px;
  --read:800px;
  --space-1:8px;
  --space-2:16px;
  --space-3:24px;
  --space-4:32px;
  --space-5:48px;
  --space-6:64px;
  --section-y:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.22;font-weight:800;}
p{margin:0;}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--section-y) 0;}
.section--tight{padding:64px 0;}
.section--dark{background:var(--dark);color:#EAF1EA;}
.section--surface{background:var(--surface);}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.16em;
  color:var(--green);text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:3px;border-radius:2px;background:var(--lime);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{font-size:clamp(1.8rem,3.4vw,2.6rem);margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:1.03rem;}
.section--dark .section-head p{color:#A9BBAF;}

/* ===== 顶部状态条 ===== */
.top-bar{
  background:var(--dark);color:#C9D8CD;font-size:13px;
  letter-spacing:.02em;
}
.top-bar .container{
  display:flex;justify-content:space-between;align-items:center;gap:16px;height:38px;
}
.top-bar strong{color:var(--lime);font-weight:700;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,247,242,.86);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:0 6px 20px rgba(12,28,20,.08);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:78px;}
.logo{display:inline-flex;align-items:center;gap:12px;flex-shrink:0;}
.logo-mark{
  width:42px;height:42px;border-radius:13px;flex-shrink:0;
  background:linear-gradient(140deg,var(--green),var(--green-dark));
  color:var(--lime);display:grid;place-items:center;
  font-family:"Barlow Condensed","Oswald",sans-serif;
  font-weight:700;font-size:19px;letter-spacing:.04em;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
.logo-text small{font-size:11px;font-weight:600;letter-spacing:.22em;color:var(--muted);text-transform:uppercase;}

.nav-pill{
  display:flex;align-items:center;gap:4px;
  margin-left:auto;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px;
  box-shadow:var(--shadow);
}
.nav-pill a{
  padding:9px 16px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--muted);
  transition:background .2s ease,color .2s ease,transform .2s ease;
  white-space:nowrap;
}
.nav-pill a:hover{background:var(--green-soft);color:var(--green-dark);}
.nav-pill a.active{background:var(--green);color:#fff;box-shadow:0 6px 16px rgba(15,107,79,.28);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:999px;
  font-size:15.5px;font-weight:700;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(15,107,79,.24);}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,107,79,.3);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{border-color:var(--green);color:var(--green-dark);background:transparent;}
.btn-outline:hover{background:var(--green-soft);transform:translateY(-2px);}
.btn-lime{background:var(--lime);color:#0B1511;box-shadow:0 10px 24px rgba(217,242,74,.28);}
.btn-lime:hover{background:#C9E62F;transform:translateY(-2px);box-shadow:0 16px 34px rgba(217,242,74,.34);}
.btn-sm{min-height:42px;padding:0 20px;font-size:14.5px;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.btn .spin{
  width:15px;height:15px;border-radius:50%;
  border:2px solid rgba(255,255,255,.4);border-top-color:#fff;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}

.nav-toggle{
  display:none;width:46px;height:46px;border-radius:14px;
  border:1px solid var(--line);background:var(--surface);
  align-items:center;justify-content:center;flex-shrink:0;
}
.nav-toggle span{display:block;width:19px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:19px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.mobile-drawer{
  display:none;
  background:var(--surface);
  border-top:1px solid var(--line);
  padding:18px 24px 26px;
  box-shadow:0 18px 30px rgba(12,28,20,.12);
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:block;padding:14px 4px;font-size:16px;font-weight:600;
  border-bottom:1px solid var(--line);color:var(--ink);
}
.mobile-drawer a.active{color:var(--green);}
.mobile-drawer .btn{width:100%;margin-top:18px;}

/* ===== 面包屑 ===== */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--muted);padding-top:26px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--green);}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:var(--green);font-weight:700;}

/* ===== 页面 Hero ===== */
.page-hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 88% -10%, rgba(217,242,74,.22), transparent 60%),
    linear-gradient(160deg,#0F6B4F 0%,#0A4E3A 100%);
  color:#fff;
}
.page-hero::after{
  content:"";position:absolute;right:-140px;bottom:-200px;
  width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 0 0 60px rgba(255,255,255,.05);
  pointer-events:none;
}
.page-hero .breadcrumb{color:rgba(255,255,255,.7);}
.page-hero .breadcrumb a{color:rgba(255,255,255,.78);}
.page-hero .breadcrumb a:hover{color:var(--lime);}
.page-hero .breadcrumb .current{color:var(--lime);}
.hero-grid{
  display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;
  padding:44px 0 84px;position:relative;z-index:1;
}
.page-hero h1{
  font-size:clamp(2.1rem,4.6vw,3.4rem);
  margin:20px 0 18px;
}
.page-hero .lede{
  font-size:1.06rem;color:rgba(255,255,255,.86);max-width:560px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags span{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 15px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  color:#EAF4EC;
}
.hero-tags svg{width:14px;height:14px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;border-radius:var(--radius-img);
  box-shadow:0 26px 60px rgba(0,0,0,.35);
}
.floating-card{
  position:absolute;left:-22px;bottom:-24px;
  background:var(--surface);color:var(--ink);
  border-radius:16px;padding:16px 18px;
  box-shadow:0 20px 44px rgba(0,0,0,.28);
  min-width:212px;
}
.floating-card .fc-label{
  font-size:11.5px;font-weight:700;letter-spacing:.14em;
  color:var(--muted);text-transform:uppercase;
}
.floating-card .fc-score{
  font-family:"Barlow Condensed","Oswald",sans-serif;
  font-size:34px;font-weight:700;line-height:1.1;color:var(--green-dark);
  letter-spacing:.01em;
}
.floating-card .fc-meta{font-size:12.5px;color:var(--muted);}
.dot-row{display:flex;gap:4px;margin-top:10px;}
.dot-row i{width:6px;height:6px;border-radius:50%;background:var(--line);}
.dot-row i.on{background:var(--lime);}

/* ===== 介绍区 ===== */
.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start;}
.intro-copy p+p{margin-top:18px;}
.intro-copy p{color:var(--muted);font-size:1.02rem;}
.intro-list{margin-top:28px;display:grid;gap:14px;}
.intro-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15.5px;font-weight:600;color:var(--ink);
}
.intro-list .tick{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;
  background:var(--green-soft);color:var(--green-dark);
  display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:3px;
}
.stat-panel{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow);
  overflow:hidden;
}
.stat-panel img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.stat-panel .sp-body{padding:22px 24px 26px;}
.stat-panel h3{font-size:1.15rem;margin-bottom:16px;}
.stat-rows{display:grid;gap:14px;}
.stat-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding-bottom:14px;border-bottom:1px dashed var(--line);
}
.stat-row:last-child{border-bottom:0;padding-bottom:0;}
.stat-row strong{
  font-family:"Barlow Condensed","Oswald",sans-serif;
  font-size:28px;font-weight:700;color:var(--green);line-height:1;
}
.stat-row span{font-size:13.5px;color:var(--muted);text-align:right;}

/* ===== 时间线 ===== */
.timeline{position:relative;margin-top:8px;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--green),rgba(15,107,79,.15));
}
.tl-item{position:relative;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:8px;
  width:20px;height:20px;border-radius:50%;
  background:var(--surface);border:2px solid var(--green);
  box-shadow:0 0 0 5px rgba(15,107,79,.08);
}
.tl-item.hot::before{background:var(--lime);border-color:var(--green-dark);}
.tl-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:22px 24px;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#BFD8C7;}
.tl-time{
  display:inline-block;font-family:"Barlow Condensed","Oswald",sans-serif;
  font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--green);
  background:var(--green-soft);border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
.tl-card h3{font-size:1.18rem;margin-bottom:8px;}
.tl-card p{color:var(--muted);font-size:15px;}

/* ===== 对比表 ===== */
.table-wrap{
  overflow-x:auto;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow);-webkit-overflow-scrolling:touch;
}
table.cmp{width:100%;border-collapse:collapse;min-width:760px;}
table.cmp th,table.cmp td{
  padding:18px 22px;text-align:left;font-size:15px;
  border-bottom:1px solid var(--line);vertical-align:top;
}
table.cmp thead th{
  background:var(--dark);color:#EAF1EA;font-size:14.5px;font-weight:700;
  letter-spacing:.02em;border-bottom:0;white-space:nowrap;
}
table.cmp thead th:first-child{color:var(--lime);}
table.cmp tbody th{
  font-weight:700;color:var(--ink);background:#FBFCF9;white-space:nowrap;
  width:180px;
}
table.cmp tbody tr:last-child th,table.cmp tbody tr:last-child td{border-bottom:0;}
table.cmp tbody tr:hover td{background:#F7FAF6;}
table.cmp .pill{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:var(--green-soft);color:var(--green-dark);
  font-size:12.5px;font-weight:700;
}
.table-note{margin-top:16px;font-size:13.5px;color:var(--muted);}

/* ===== 场景卡 ===== */
.scene-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.scene-card{
  grid-column:span 4;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#BFD8C7;}
.scene-card.wide{grid-column:span 8;flex-direction:row;}
.scene-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.scene-card.wide img{width:44%;aspect-ratio:auto;height:100%;}
.scene-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.scene-body h3{font-size:1.15rem;}
.scene-body p{color:var(--muted);font-size:14.6px;}
.scene-tag{
  align-self:flex-start;font-size:12.5px;font-weight:700;
  padding:5px 12px;border-radius:999px;
  background:rgba(255,107,74,.12);color:#C3452A;
}
.scene-link{
  margin-top:auto;font-size:14.5px;font-weight:700;color:var(--green);
  display:inline-flex;align-items:center;gap:6px;
}
.scene-link:hover{color:var(--green-dark);gap:10px;transition:gap .2s ease;}

/* ===== FAQ ===== */
.faq-list{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow);overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;font-size:1.03rem;font-weight:700;color:var(--ink);
  transition:background .2s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#F7FAF6;}
.faq-item summary .sign{
  flex-shrink:0;width:30px;height:30px;border-radius:50%;
  background:var(--green-soft);color:var(--green-dark);
  display:grid;place-items:center;position:relative;
  transition:transform .22s ease,background .22s ease;
}
.faq-item summary .sign::before,.faq-item summary .sign::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-item summary .sign::before{width:13px;height:2px;}
.faq-item summary .sign::after{width:2px;height:13px;transition:transform .22s ease,opacity .22s ease;}
.faq-item[open] summary{color:var(--green-dark);}
.faq-item[open] summary .sign{background:var(--lime);color:#0B1511;transform:rotate(180deg);}
.faq-item[open] summary .sign::after{transform:scaleY(0);opacity:0;}
.faq-answer{padding:0 26px 24px;color:var(--muted);font-size:15.4px;max-width:820px;}

/* ===== CTA ===== */
.cta-band{
  position:relative;overflow:hidden;
  background:
    radial-gradient(700px 340px at 12% 120%, rgba(217,242,74,.18), transparent 60%),
    var(--dark);
  color:#fff;border-radius:26px;padding:64px 56px;
  display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-120px;width:360px;height:360px;
  border-radius:50%;border:1px solid rgba(217,242,74,.24);
  box-shadow:0 0 0 50px rgba(217,242,74,.05);
}
.cta-band h2{font-size:clamp(1.7rem,3vw,2.3rem);margin-bottom:14px;position:relative;z-index:1;}
.cta-band p{color:#B6C7BB;position:relative;z-index:1;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:1;}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:#C6D5CB;padding:76px 0 34px;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:44px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text small{color:#7E9686;}
.footer-brand p{margin-top:20px;font-size:14.6px;color:#9FB2A5;max-width:380px;}
.footer-col h4{
  font-size:14px;font-weight:700;color:#fff;margin-bottom:20px;letter-spacing:.06em;
}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{font-size:14.6px;color:#A9BCAE;transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--lime);padding-left:4px;}
.footer-contact li{font-size:14.2px;color:#A9BCAE;}
.footer-contact strong{color:#DDE8DF;font-weight:600;}
.footer-bottom{
  padding-top:26px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13.4px;color:#8095 88;
  color:#809588;
}
.footer-bottom a{color:#A9BCAE;}
.footer-bottom a:hover{color:var(--lime);}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .nav-pill a{padding:9px 13px;font-size:14px;}
  .cta-band{padding:56px 40px;}
}
@media (max-width:1023px){
  :root{--section-y:76px;}
  .nav-pill{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn{display:none;}
  .header-inner{justify-content:space-between;}
  .hero-grid{grid-template-columns:1fr;gap:44px;padding:36px 0 72px;}
  .intro-grid{grid-template-columns:1fr;gap:40px;}
  .cta-band{grid-template-columns:1fr;padding:48px 34px;}
  .cta-actions{justify-content:flex-start;}
  .scene-card{grid-column:span 6;}
  .scene-card.wide{grid-column:span 12;flex-direction:column;}
  .scene-card.wide img{width:100%;aspect-ratio:16/10;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  :root{--section-y:60px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .footer-brand{grid-column:1 / -1;}
  .scene-card{grid-column:span 12;}
  .floating-card{left:12px;bottom:-18px;min-width:180px;padding:13px 15px;}
  .floating-card .fc-score{font-size:28px;}
  .page-hero h1{font-size:clamp(1.9rem,7vw,2.5rem);}
  .faq-item summary{padding:18px 18px;font-size:15.5px;}
  .faq-answer{padding:0 18px 20px;}
  .timeline{padding-left:28px;}
  .tl-item::before{left:-28px;width:18px;height:18px;}
}
@media (max-width:519px){
  .footer-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .cta-actions{flex-direction:column;}
  .hero-tags span{font-size:12.5px;padding:7px 12px;}
  .cta-band{padding:40px 22px;border-radius:20px;}
  .tl-card{padding:18px;}
}