/* roulang page: index */
:root{
  --green:#0F3D33;
  --green-2:#14523F;
  --green-3:#0B2C25;
  --lime:#C9F24D;
  --sand:#E8A33D;
  --paper:#F5F4EF;
  --dark:#101513;
  --card:#FFFFFF;
  --ink:#1A1F1D;
  --ink2:#5C6660;
  --ink3:#8B938D;
  --line:#E4E3DA;
  --red:#C2452D;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(16,21,19,.06);
  --sh2:0 10px 30px -12px rgba(16,21,19,.18);
  --sh3:0 18px 40px -16px rgba(16,21,19,.26);
  --ease:cubic-bezier(.2,.7,.2,1);
  --t:220ms;
  --nav-h:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--paper);
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--t) var(--ease)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:-.01em;color:var(--ink)}
time{font-variant-numeric:tabular-nums}
:focus-visible{outline:3px solid rgba(15,61,51,.35);outline-offset:2px;border-radius:6px}
::selection{background:var(--lime);color:var(--green-3)}

/* ---------- 布局基础 ---------- */
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;margin-left:auto;margin-right:auto;width:100%}
.grid-x{display:flex;flex-flow:row wrap;align-items:stretch}
.cell{min-width:0}
.section{padding:96px 0}
.section-alt{background:#FFFFFF}
.section-dark{background:var(--green);color:#F2F4F1}
.section-dark h2,.section-dark h3{color:#FFFFFF}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-num{display:block;font-size:12px;letter-spacing:.16em;color:var(--ink3);text-transform:uppercase;margin-bottom:10px}
.sec-title{font-size:clamp(24px,2.6vw,34px);position:relative;padding-left:16px}
.sec-title::before{content:"";position:absolute;left:0;top:.22em;width:3px;height:18px;background:var(--lime);border-radius:2px}
.sec-sub{margin-top:12px;color:var(--ink2);font-size:16px;line-height:1.9}
.sec-head-center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head-center .sec-title{padding-left:0}
.sec-head-center .sec-title::before{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 26px;border-radius:var(--r-btn);
  font-size:16px;font-weight:700;letter-spacing:.02em;
  transition:transform var(--t) var(--ease),background var(--t) var(--ease),box-shadow var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
  white-space:nowrap;border:1.5px solid transparent;
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--green);color:#F7F8F5;box-shadow:var(--sh1)}
.btn-primary:hover{background:var(--green-2);color:#fff;transform:translateY(-2px);box-shadow:var(--sh2)}
.btn-ghost{background:transparent;border-color:rgba(245,244,239,.55);color:#F5F4EF}
.btn-ghost:hover{background:rgba(245,244,239,.14);transform:translateY(-2px)}
.btn-line{background:transparent;border-color:var(--green);color:var(--green)}
.btn-line:hover{background:rgba(15,61,51,.08);transform:translateY(-2px)}
.btn-lime{background:var(--lime);color:var(--green-3)}
.btn-lime:hover{background:#b9e63c;color:var(--green-3);transform:translateY(-2px);box-shadow:var(--sh2)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--green)}
.link-more svg{transition:transform var(--t) var(--ease)}
.link-more:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.link-more:hover svg{transform:translateX(6px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:6px;font-size:12px;font-weight:700;letter-spacing:.04em}
.badge-cat{background:rgba(15,61,51,.08);color:var(--green)}
.badge-lime{background:var(--lime);color:var(--green-3)}
.badge-sand{background:rgba(232,163,61,.16);color:#8A5A12}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  height:var(--nav-h);
  background:rgba(12,18,16,.42);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.12);
  box-shadow:0 8px 24px -18px rgba(0,0,0,.5);
  transition:background var(--t) var(--ease),height var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease),color var(--t) var(--ease);
  color:#F5F4EF;
}
.site-header.is-stuck{
  height:64px;background:rgba(245,244,239,.96);
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 24px -12px rgba(16,21,19,.24);
  color:var(--ink);
}
.nav-wrap{display:flex;align-items:center;height:100%;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.02em}
.brand-sub{font-size:11px;letter-spacing:.16em;opacity:.68}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:16px;flex:1 1 auto}
.nav-main>li>a{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:8px;
  font-size:15px;font-weight:600;position:relative;color:inherit;opacity:.92;
}
.nav-main>li>a:hover{opacity:1;background:rgba(201,242,77,.16)}
.nav-main>li>a.is-active{opacity:1}
.nav-main>li>a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--lime);
}
.more-menu{position:relative}
.more-list{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(8px);
  min-width:200px;padding:10px;border-radius:14px;background:#FFFFFF;
  border:1px solid var(--line);box-shadow:var(--sh2);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease),visibility var(--t);
  display:grid;grid-template-columns:1fr 1fr;gap:4px;
}
.more-menu:hover .more-list,.more-menu:focus-within .more-list{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.more-list a{display:block;padding:9px 12px;border-radius:8px;font-size:14px;font-weight:600;color:var(--ink)}
.more-list a:hover{background:rgba(15,61,51,.07);color:var(--green)}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(245,244,239,.28);color:inherit;transition:background var(--t) var(--ease),border-color var(--t) var(--ease),transform var(--t) var(--ease);
}
.site-header.is-stuck .icon-btn{border-color:var(--line)}
.icon-btn:hover{background:rgba(201,242,77,.2);transform:translateY(-2px)}
.nav-cta{display:inline-flex}
.burger{display:none;width:44px;height:44px;border-radius:10px;align-items:center;justify-content:center;border:1px solid rgba(245,244,239,.28);color:inherit}
.site-header.is-stuck .burger{border-color:var(--line)}
.burger span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.burger span::before{top:-6px}
.burger span::after{top:6px}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(16,21,19,.5);opacity:0;visibility:hidden;transition:opacity var(--t) var(--ease),visibility var(--t);z-index:90}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:340px;z-index:95;
  background:var(--paper);border-left:1px solid var(--line);box-shadow:var(--sh3);
  transform:translateX(102%);transition:transform 260ms var(--ease);
  padding:22px 20px calc(28px + env(safe-area-inset-bottom));overflow-y:auto;
}
.drawer-open .drawer{transform:translateX(0)}
.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--ink)}
.drawer-group{margin-bottom:18px}
.drawer-group h4{font-size:12px;letter-spacing:.16em;color:var(--ink3);margin-bottom:8px;font-weight:700}
.drawer a.drawer-link{display:block;padding:12px 14px;border-radius:10px;font-size:16px;font-weight:600;background:#FFFFFF;border:1px solid var(--line);margin-bottom:8px}
.drawer a.drawer-link:hover{border-color:var(--green);color:var(--green)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;padding:150px 0 96px;overflow:hidden;color:#F5F4EF;background:var(--dark)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.02)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(105deg,rgba(11,44,37,.9) 0%,rgba(15,61,51,.72) 46%,rgba(16,21,19,.5) 100%)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:24px 24px;opacity:.55}
.hero-inner{position:relative;z-index:2;width:100%}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.12em;padding:7px 14px;border-radius:var(--r-pill);background:rgba(201,242,77,.16);border:1px solid rgba(201,242,77,.4);color:var(--lime)}
.hero-title{margin:22px 0 0;font-size:clamp(30px,4.2vw,52px);line-height:1.28;color:#FFFFFF;max-width:16em}
.hero-title em{font-style:normal;color:var(--green-3);background:var(--lime);padding:0 8px;border-radius:8px;white-space:nowrap}
.hero-sub{margin-top:18px;font-size:clamp(16px,1.4vw,20px);line-height:1.85;color:rgba(245,244,239,.86);max-width:30em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:44px;max-width:720px}
.hero-stat{background:rgba(16,21,19,.4);border:1px solid rgba(245,244,239,.16);border-radius:var(--r-card);padding:14px 16px;backdrop-filter:blur(6px)}
.hero-stat b{display:block;font-size:26px;line-height:1.25;color:var(--lime);font-variant-numeric:tabular-nums}
.hero-stat span{display:block;font-size:13px;color:rgba(245,244,239,.76);margin-top:4px}
.scroll-hint{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:2;display:flex;flex-direction:column;align-items:center;gap:8px;font-size:12px;letter-spacing:.16em;color:rgba(245,244,239,.7)}
.scroll-hint i{display:block;width:1px;height:36px;background:linear-gradient(180deg,rgba(201,242,77,.9),rgba(201,242,77,0));animation:hintMove 1.8s var(--ease) infinite}
@keyframes hintMove{0%,100%{opacity:.4;transform:translateY(-4px)}50%{opacity:1;transform:translateY(4px)}}

/* ---------- 信任条 ---------- */
.trust{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0}
.trust-list{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;justify-content:space-between}
.trust-list li{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink2)}
.trust-list li::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--lime)}

/* ---------- 卖点阶梯 ---------- */
.feature-step{display:flex;gap:22px;padding:30px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.feature-step:last-child{border-bottom:0}
.feature-num{font-size:14px;font-weight:800;letter-spacing:.16em;color:var(--ink3);flex:0 0 48px;padding-top:6px}
.feature-body h3{font-size:21px;margin-bottom:10px}
.feature-body p{color:var(--ink2);font-size:16px;max-width:64ch}
.feature-side{background:#FFFFFF;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh1);height:100%}
.feature-side h3{font-size:18px;margin-bottom:14px}
.feature-side li{display:flex;gap:10px;font-size:15px;color:var(--ink2);padding:9px 0;border-bottom:1px dashed var(--line)}
.feature-side li:last-child{border-bottom:0}
.feature-side li svg{flex:0 0 auto;margin-top:4px}

/* ---------- 演示 ---------- */
.demo-row{display:flex;align-items:center;gap:48px;padding:34px 0}
.demo-row.reverse{flex-direction:row-reverse}
.demo-media{flex:1 1 50%;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh2);background:#fff}
.demo-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.demo-text{flex:1 1 50%}
.demo-text h3{font-size:24px;margin:14px 0 14px}
.demo-text p{color:var(--ink2);font-size:16px;margin-bottom:16px}
.demo-points li{display:flex;gap:10px;padding:8px 0;font-size:15px;color:var(--ink2)}
.demo-points li b{color:var(--ink);font-weight:700}
.demo-points li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:2px;background:var(--lime);margin-top:11px}

/* ---------- 数据证据 ---------- */
.stat-card{background:#FFFFFF;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh1);height:100%;transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease)}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:rgba(15,61,51,.3)}
.stat-card b{display:block;font-size:clamp(32px,3.6vw,44px);line-height:1.1;color:var(--green);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat-card span{display:block;margin-top:10px;font-size:15px;color:var(--ink2)}
.timeline{margin-top:44px;border-top:1px solid var(--line);padding-top:28px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.timeline li{position:relative;padding-top:20px}
.timeline li::before{content:"";position:absolute;top:0;left:0;width:12px;height:12px;border-radius:50%;background:var(--lime);border:3px solid #fff;box-shadow:0 0 0 1px var(--line);transform:translateY(-50%)}
.timeline li::after{content:"";position:absolute;top:-1px;left:20px;right:0;height:1px;background:var(--line)}
.timeline h4{font-size:16px;margin-bottom:6px}
.timeline p{font-size:14px;color:var(--ink2)}
.org-strip{margin-top:36px;display:flex;flex-wrap:wrap;gap:12px}
.org-strip span{display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--r-pill);border:1px solid var(--line);background:#FFFFFF;font-size:14px;font-weight:600;color:var(--ink2)}

/* ---------- 内联 CTA 横幅 ---------- */
.cta-inline{background:rgba(201,242,77,.18);border:1px solid rgba(15,61,51,.14);border-radius:var(--r-card);min-height:96px;padding:20px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px;margin:56px 0}
.cta-inline h3{font-size:19px;margin-bottom:6px}
.cta-inline p{font-size:15px;color:var(--ink2)}

/* ---------- 最新信息卡片 ---------- */
.card-grid{margin-left:-12px;margin-right:-12px}
.card-grid>.cell{padding:0 12px;margin-bottom:24px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh1);height:100%;transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:rgba(15,61,51,.3)}
.news-card-link{display:flex;flex-direction:column;height:100%}
.news-thumb{position:relative;overflow:hidden;background:#E7E7DF}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 320ms var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-thumb .badge{position:absolute;left:12px;bottom:12px;background:rgba(255,255,255,.92);color:var(--green)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.news-title{font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-sum{font-size:14px;color:var(--ink2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink3);padding-top:6px;border-top:1px solid var(--line)}
.news-meta .dot{opacity:.6}
.empty-state{border:1.5px dashed var(--line);border-radius:var(--r-card);min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:28px;background:#FFFFFF}
.empty-state b{font-size:15px;font-weight:700}
.empty-state span{font-size:13px;color:var(--ink3)}

/* ---------- 价格 ---------- */
.price-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--r-card);background:#FFFFFF;box-shadow:var(--sh1)}
.price-table{width:100%;min-width:760px;border-collapse:collapse}
.price-table th,.price-table td{padding:18px 22px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);vertical-align:middle}
.price-table thead th{background:#FAF9F5;font-size:16px;font-weight:800;color:var(--ink);border-bottom:1px solid var(--line)}
.price-table tbody tr:nth-child(even){background:#FAF9F5}
.price-table td:first-child{color:var(--ink2);font-weight:600}
.plan-col{position:relative}
.plan-col.is-best{background:rgba(15,61,51,.06);border-left:1px solid rgba(15,61,51,.18);border-right:1px solid rgba(15,61,51,.18)}
.plan-col.is-best .plan-tag{position:absolute;top:-12px;right:14px;height:24px;padding:0 10px;border-radius:6px;background:var(--sand);color:#3A2404;font-size:12px;font-weight:800;display:inline-flex;align-items:center}
.plan-price{font-size:22px;font-weight:800;color:var(--green);font-variant-numeric:tabular-nums}
.plan-price small{font-size:13px;font-weight:600;color:var(--ink3);margin-left:4px}
.tick{display:inline-flex;width:20px;height:20px;border-radius:50%;background:rgba(15,61,51,.1);color:var(--green);align-items:center;justify-content:center;font-size:12px;font-weight:800}
.dash{color:var(--ink3)}

/* ---------- 评价 ---------- */
.quote-card{background:#FFFFFF;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh1);height:100%;transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease)}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--sh3)}
.quote-card.offset{margin-top:28px}
.quote-card p{font-size:16px;color:var(--ink);line-height:1.9}
.quote-who{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--green);color:var(--lime);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;flex:0 0 auto}
.quote-who b{display:block;font-size:15px}
.quote-who span{font-size:13px;color:var(--ink3)}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#FFFFFF;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease)}
.faq-item.is-open{border-color:rgba(15,61,51,.34);box-shadow:var(--sh2)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:17px;font-weight:700;text-align:left}
.faq-icon{flex:0 0 auto;width:24px;height:24px;border-radius:50%;border:1.5px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-size:14px;transition:transform var(--t) var(--ease),background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--green);border-color:var(--green);color:var(--lime)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms var(--ease)}
.faq-a-inner{padding:0 22px 20px 22px;border-left:3px solid var(--lime);margin-left:0}
.faq-a p{font-size:15px;color:var(--ink2);line-height:1.85;padding-left:10px}

/* ---------- 深色 CTA ---------- */
.final-cta{background:var(--green);color:#F5F4EF;position:relative;overflow:hidden;padding:80px 0}
.final-cta .grid-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:24px 24px;opacity:.6}
.final-cta .inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.final-cta h2{color:#FFFFFF;font-size:clamp(24px,2.8vw,34px)}
.final-cta p{margin-top:12px;color:rgba(245,244,239,.82);font-size:16px;max-width:46ch}
.contact-line{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px 26px;font-size:14px;color:rgba(245,244,239,.8)}
.contact-line span{display:inline-flex;align-items:center;gap:8px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green);color:rgba(245,244,239,.78);padding:64px 0 26px;border-top:1px solid rgba(201,242,77,.12)}
.footer-grid{display:flex;flex-wrap:wrap;gap:34px}
.footer-brand{flex:1 1 280px;min-width:240px}
.footer-brand .brand-name{color:#FFFFFF;font-size:18px}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.85;max-width:34ch}
.footer-col{flex:1 1 160px;min-width:140px}
.footer-col h4{color:#FFFFFF;font-size:15px;margin-bottom:14px}
.footer-col a,.footer-col li{display:block;font-size:14px;padding:6px 0}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(245,244,239,.14);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(245,244,239,.62)}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:26px;bottom:30px;z-index:70;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  background:var(--green);color:#F5F4EF;font-size:15px;font-weight:700;
  display:inline-flex;align-items:center;gap:8px;box-shadow:var(--sh2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease),visibility var(--t),background var(--t) var(--ease);
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{background:var(--green-2);transform:translateY(-2px)}
.float-cta.is-hidden{opacity:0;visibility:hidden}
.mobile-bar{display:none}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .grid-container{padding-left:24px;padding-right:24px}
  .section{padding:72px 0}
  .demo-row{gap:32px}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 22px}
}
@media (max-width:900px){
  .nav-main,.nav-cta,.icon-btn{display:none}
  .burger{display:inline-flex}
  .hero{min-height:78vh;padding:130px 0 84px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .demo-row,.demo-row.reverse{flex-direction:column;gap:22px}
  .cta-inline{flex-direction:column;align-items:flex-start}
  body{padding-bottom:calc(70px + env(safe-area-inset-bottom))}
  .float-cta{display:none}
  .mobile-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:75;
    height:calc(58px + env(safe-area-inset-bottom));
    padding:0 16px env(safe-area-inset-bottom);
    background:rgba(245,244,239,.97);
    border-top:1px solid var(--line);
    align-items:center;gap:12px;
  }
  .mobile-bar .btn{flex:1 1 auto;height:44px;font-size:15px}
  .mobile-bar .btn-line{flex:0 0 auto;padding:0 18px}
}
@media (max-width:768px){
  body{font-size:16px;line-height:1.9}
  .section{padding:56px 0}
  .sec-head{margin-bottom:32px}
  .grid-container{padding-left:20px;padding-right:20px}
  .hero{padding:118px 0 72px}
  .hero-title{font-size:clamp(26px,7vw,34px)}
  .hero-actions .btn{flex:1 1 100%}
  .timeline{grid-template-columns:1fr}
  .timeline li::after{display:none}
  .quote-card.offset{margin-top:0}
  .cta-inline{padding:20px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .hero-stats{grid-template-columns:1fr 1fr;gap:10px}
  .hero-stat b{font-size:22px}
  .brand-sub{letter-spacing:.1em}
  .stat-card{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --ink:#0F3D33;
  --ink-2:#14523F;
  --lime:#C9F24D;
  --sand:#E8A33D;
  --paper:#F5F4EF;
  --dark:#101513;
  --card:#FFFFFF;
  --t1:#1A1F1D;
  --t2:#5C6660;
  --t3:#8B938D;
  --line:#E4E3DA;
  --danger:#C2452D;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh1:0 1px 2px rgba(16,21,19,.06);
  --sh2:0 10px 30px -12px rgba(16,21,19,.18);
  --sh3:0 18px 40px -16px rgba(16,21,19,.26);
  --ease:cubic-bezier(.2,.7,.2,1);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--t1);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.01em;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.3;letter-spacing:-.01em;font-weight:800}
p{margin-bottom:1.15em}
p:last-child{margin-bottom:0}
:focus-visible{outline:3px solid rgba(15,61,51,.22);outline-offset:2px;border-radius:6px}

.grid-container{max-width:var(--container);padding-left:32px;padding-right:32px;margin-left:auto;margin-right:auto}
.grid-x{display:flex;flex-flow:row wrap}
.grid-x.g-gap{gap:24px}
.grid-x.g-gap > .cell{min-width:0}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:900;
  background:rgba(12,18,16,.42);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.12);
  box-shadow:0 8px 24px -18px rgba(0,0,0,.5);
  transition:background .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-stuck{
  background:rgba(245,244,239,.96);
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 24px -12px rgba(16,21,19,.24);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:76px;transition:height .22s var(--ease);
}
.site-header.is-stuck .nav-wrap{height:64px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.01em;color:#F5F4EF;transition:color .22s var(--ease)}
.brand-sub{font-size:11px;letter-spacing:.16em;color:rgba(245,244,239,.62);transition:color .22s var(--ease)}
.site-header.is-stuck .brand-name{color:var(--t1)}
.site-header.is-stuck .brand-sub{color:var(--t3)}
.nav-main{display:flex;align-items:center;gap:2px}
.nav-main > li > a{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 13px;font-size:15px;font-weight:600;
  color:rgba(245,244,239,.86);border-radius:8px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-main > li > a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-main > li > a.is-active{color:#F5F4EF}
.nav-main > li > a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  background:var(--lime);border-radius:2px;
}
.site-header.is-stuck .nav-main > li > a{color:var(--t2)}
.site-header.is-stuck .nav-main > li > a:hover{color:var(--ink);background:rgba(15,61,51,.06)}
.site-header.is-stuck .nav-main > li > a.is-active{color:var(--ink)}
.more-menu{position:relative}
.more-list{
  position:absolute;top:calc(100% + 10px);left:0;min-width:170px;
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--sh2);padding:8px;display:none;
}
.more-list a{display:block;padding:9px 12px;border-radius:8px;font-size:14.5px;color:var(--t2);transition:background .18s var(--ease),color .18s var(--ease)}
.more-list a:hover{background:rgba(15,61,51,.06);color:var(--ink)}
.more-menu:hover .more-list,.more-menu:focus-within .more-list{display:block}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);color:#F5F4EF;cursor:pointer;
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.14)}
.site-header.is-stuck .icon-btn{color:var(--ink);border-color:var(--line);background:#fff}
.site-header.is-stuck .icon-btn:hover{background:rgba(15,61,51,.06)}
.burger{display:none;width:40px;height:40px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);border-radius:10px;cursor:pointer;position:relative}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;transform:translateX(-50%);width:16px;height:2px;border-radius:2px;background:#F5F4EF;content:"";transition:background .2s var(--ease)
}
.burger span{top:19px}
.burger span::before{top:-5px}
.burger span::after{top:5px}
.site-header.is-stuck .burger{border-color:var(--line);background:#fff}
.site-header.is-stuck .burger span,.site-header.is-stuck .burger span::before,.site-header.is-stuck .burger span::after{background:var(--ink)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:700;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--ink);color:#F5F4EF;box-shadow:var(--sh1)}
.btn-primary:hover{background:var(--ink-2);transform:translateY(-2px);box-shadow:var(--sh2)}
.btn-lime{background:var(--lime);color:#123024;box-shadow:var(--sh1)}
.btn-lime:hover{background:#d7fa6c;transform:translateY(-2px);box-shadow:var(--sh2)}
.btn-ghost{background:transparent;border-color:rgba(245,244,239,.55);color:#F5F4EF}
.btn-ghost:hover{background:rgba(245,244,239,.14);transform:translateY(-2px)}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:rgba(15,61,51,.08);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 20px;font-size:14.5px}
.nav-cta{height:40px;padding:0 20px;font-size:14.5px}

/* ---------- 内页首屏 ---------- */
.page-hero{
  position:relative;min-height:560px;display:flex;align-items:flex-end;
  padding:150px 0 56px;color:#F5F4EF;
  background-image:
    linear-gradient(115deg,rgba(9,36,30,.94) 0%,rgba(15,61,51,.82) 46%,rgba(16,21,19,.58) 100%),
    url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.075) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.075) 1px,transparent 1px);
  background-size:24px 24px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 78%);
}
.page-hero .grid-container{position:relative;z-index:2;width:100%}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(245,244,239,.72);margin-bottom:18px}
.crumbs a{color:rgba(245,244,239,.86);transition:color .18s var(--ease)}
.crumbs a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:3px}
.crumbs span.sep{opacity:.5}
.crumbs .current{color:rgba(245,244,239,.6)}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 13px;border-radius:6px;
  background:rgba(201,242,77,.16);border:1px solid rgba(201,242,77,.38);
  color:var(--lime);font-size:12.5px;font-weight:700;letter-spacing:.08em;margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,52px);color:#fff;margin-bottom:18px;letter-spacing:-.015em;
}
.page-hero h1 em{font-style:normal;color:var(--lime);box-shadow:inset 0 -10px 0 rgba(201,242,77,.18)}
.hero-lead{max-width:760px;font-size:16.5px;line-height:1.95;color:rgba(245,244,239,.86);margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-facts{display:flex;flex-wrap:wrap;gap:36px;padding-top:24px;border-top:1px solid rgba(245,244,239,.2)}
.hero-facts div{min-width:130px}
.hero-facts strong{display:block;font-size:30px;line-height:1.2;color:var(--lime);font-weight:800}
.hero-facts span{font-size:13px;color:rgba(245,244,239,.72);letter-spacing:.03em}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section.alt{background:#fff}
.section-num{
  display:block;font-size:12px;letter-spacing:.16em;color:var(--t3);
  text-transform:uppercase;margin-bottom:12px;font-weight:700;
}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);padding-left:16px;position:relative;margin-bottom:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;width:3px;height:18px;border-radius:2px;background:var(--lime);
}
.section-head p{color:var(--t2);font-size:16px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center h2{padding-left:0}
.section-head.center h2::before{display:none}

/* ---------- 标签索引 ---------- */
.tag-index{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--t2);
  font-size:14px;font-weight:600;cursor:default;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.tag.is-on{background:var(--ink);border-color:var(--ink);color:#F5F4EF}
.tag:hover:not(.is-on){border-color:rgba(15,61,51,.3);color:var(--ink)}

/* ---------- 图文交错 ---------- */
.zigzag{max-width:1000px;margin:0 auto}
.zigzag-item{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:48px 0;border-bottom:1px solid var(--line);
}
.zigzag-item:last-child{border-bottom:0}
.zigzag-item.is-reverse .zz-media{order:2}
.zz-media{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh2);background:#fff;
}
.zz-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.zz-label{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:6px;
  background:rgba(201,242,77,.24);color:#20452f;font-size:12.5px;font-weight:700;letter-spacing:.04em;margin-bottom:14px;
}
.zz-body h3{font-size:21px;margin-bottom:12px}
.zz-body p{color:var(--t2);font-size:15.5px;line-height:1.9;margin-bottom:16px}
.zz-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--t3);margin-bottom:18px}
.zz-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--ink);
  transition:color .2s var(--ease);
}
.link-more svg{transition:transform .2s var(--ease)}
.link-more:hover{color:var(--ink-2);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.link-more:hover svg{transform:translateX(6px)}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.flow::before{
  content:"";position:absolute;left:8%;right:8%;top:34px;height:1px;background:var(--line);z-index:0;
}
.flow-item{
  position:relative;z-index:1;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px;box-shadow:var(--sh1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:rgba(15,61,51,.3)}
.flow-step{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;
  background:var(--ink);color:var(--lime);font-size:14px;font-weight:800;margin-bottom:14px;
}
.flow-item h3{font-size:17.5px;margin-bottom:8px}
.flow-item p{font-size:14.5px;color:var(--t2);line-height:1.85}

/* ---------- 数据条 ---------- */
.stat-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-card{padding:34px 26px;border-right:1px solid var(--line)}
.stat-card:last-child{border-right:0}
.stat-card strong{display:block;font-size:42px;line-height:1.1;color:var(--ink);font-weight:800;margin-bottom:8px}
.stat-card strong i{font-style:normal;color:var(--sand);font-size:22px;margin-left:2px}
.stat-card h3{font-size:16px;margin-bottom:6px}
.stat-card p{font-size:14px;color:var(--t2);line-height:1.8}

/* ---------- 内联 CTA ---------- */
.inline-cta{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:rgba(201,242,77,.16);border:1px solid rgba(15,61,51,.12);
  border-radius:var(--r-card);padding:24px 28px;min-height:96px;
}
.inline-cta h3{font-size:19px;margin-bottom:6px}
.inline-cta p{font-size:14.5px;color:var(--t2)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:rgba(15,61,51,.26)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:700;color:var(--t1);position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;
  background:var(--lime);opacity:0;transition:opacity .2s var(--ease);
}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-q svg{flex:0 0 auto;transition:transform .18s var(--ease);color:var(--ink)}
.faq-item.is-open .faq-q svg{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 22px 20px;font-size:15.5px;line-height:1.85;color:var(--t2)}

/* ---------- 深色 CTA ---------- */
.cta-band{
  position:relative;background:var(--ink);color:#F5F4EF;padding:84px 0;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:24px 24px;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:center}
.cta-band h2{font-size:clamp(24px,2.6vw,34px);color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(245,244,239,.82);font-size:16px}
.cta-actions{display:flex;flex-direction:column;gap:14px;justify-self:end}
.cta-note{font-size:13.5px;color:rgba(245,244,239,.66)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(245,244,239,.75);padding:72px 0 28px;border-top:1px solid rgba(201,242,77,.12)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;gap:36px}
.footer-brand .brand-name{font-size:18px;color:#fff;font-weight:800;display:block;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(245,244,239,.72);margin-bottom:10px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col a,.footer-col li{
  display:block;font-size:14px;color:rgba(245,244,239,.72);margin-bottom:10px;
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer-col a:hover{color:var(--lime);transform:translateX(4px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(245,244,239,.14);
  font-size:13px;color:rgba(245,244,239,.6);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:880;
  display:flex;align-items:center;gap:14px;
  height:48px;padding:0 8px 0 20px;border-radius:999px;
  background:var(--ink);color:#F5F4EF;box-shadow:var(--sh3);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
}
.float-cta.is-on{opacity:1;visibility:visible;transform:none}
.float-cta span{font-size:14px;color:rgba(245,244,239,.85)}
.float-cta .btn{height:36px;padding:0 18px;font-size:14px}
.mobile-bar{display:none}

@media (max-width:900px){
  .nav-main{
    position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);
    background:var(--paper);flex-direction:column;align-items:stretch;gap:4px;
    padding:92px 20px 32px;transform:translateX(102%);
    transition:transform .28s var(--ease);box-shadow:-16px 0 40px -20px rgba(16,21,19,.4);
    overflow-y:auto;
  }
  body.nav-open .nav-main{transform:none}
  .nav-main > li > a{color:var(--t2);padding:14px 12px;font-size:16px;border-radius:10px}
  .nav-main > li > a.is-active{color:var(--ink);background:rgba(15,61,51,.07)}
  .nav-main > li > a.is-active::after{left:12px;right:12px;bottom:6px}
  .more-list{position:static;display:block;box-shadow:none;border:0;background:transparent;padding:0 0 0 12px}
  .more-menu:hover .more-list{display:block}
  .burger{display:inline-flex}
  .nav-tools .icon-btn{display:none}
  .nav-cta{display:none}
  .page-hero{min-height:auto;padding:130px 0 48px}
  .section{padding:72px 0}
  .section-head{margin-bottom:36px}
  .zigzag-item{grid-template-columns:1fr;gap:24px;padding:36px 0}
  .zigzag-item.is-reverse .zz-media{order:0}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow::before{display:none}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-card{border-right:0;border-bottom:1px solid var(--line)}
  .stat-card:nth-child(odd){border-right:1px solid var(--line)}
  .cta-inner{grid-template-columns:1fr}
  .cta-actions{justify-self:start;flex-direction:row;flex-wrap:wrap}
  .footer-grid{grid-template-columns:1fr 1fr}
  .float-cta{display:none}
  .mobile-bar{
    display:flex;gap:10px;position:fixed;left:0;right:0;bottom:0;z-index:890;
    background:rgba(245,244,239,.97);border-top:1px solid var(--line);
    padding:9px 16px calc(9px + env(safe-area-inset-bottom));box-shadow:0 -8px 24px -16px rgba(16,21,19,.35);
  }
  .mobile-bar .btn{flex:1;height:44px;padding:0 12px}
  body{padding-bottom:74px}
}

@media (max-width:520px){
  .grid-container{padding-left:20px;padding-right:20px}
  .section{padding:48px 0}
  .nav-wrap{height:70px}
  .brand-sub{display:none}
  .flow{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .stat-card{border-right:0 !important}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hero-actions .btn{width:100%}
  .page-hero h1{font-size:30px}
  .inline-cta{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --green:#0F3D33;
  --green-2:#14523F;
  --green-3:#0B2C25;
  --lime:#C9F24D;
  --lime-soft:rgba(201,242,77,.14);
  --sand:#E8A33D;
  --paper:#F5F4EF;
  --ink-dark:#101513;
  --card:#FFFFFF;
  --t1:#1A1F1D;
  --t2:#5C6660;
  --t3:#8B938D;
  --line:#E4E3DA;
  --line-soft:#EFEEE7;
  --danger:#C2452D;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(16,21,19,.06);
  --sh2:0 10px 30px -12px rgba(16,21,19,.18);
  --sh3:0 18px 40px -16px rgba(16,21,19,.26);
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur:220ms;
  --sp-sec:96px;
  --container:1200px;
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--t1);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover{color:var(--green-2);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em;font-weight:800;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 1.15em;padding-left:1.25em;}
time,.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:3px solid rgba(15,61,51,.32);outline-offset:2px;border-radius:4px;}
::selection{background:var(--lime);color:var(--ink-dark);}

.grid-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
@media (max-width:1024px){.grid-container{padding:0 24px;}}
@media (max-width:520px){.grid-container{padding:0 20px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;letter-spacing:.02em;
  border:1.5px solid transparent;white-space:nowrap;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn:hover{transform:translateY(-2px);color:inherit;}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--green);color:#F5F4EF;box-shadow:var(--sh1);}
.btn-primary:hover{background:var(--green-2);color:#F5F4EF;box-shadow:var(--sh2);}
.btn-lime{background:var(--lime);color:var(--ink-dark);font-weight:800;}
.btn-lime:hover{background:#D7FA69;color:var(--ink-dark);box-shadow:0 12px 28px -14px rgba(16,21,19,.45);}
.btn-ghost{background:transparent;border-color:rgba(15,61,51,.35);color:var(--green);}
.btn-ghost:hover{background:rgba(15,61,51,.08);color:var(--green);}
.btn-ghost-light{background:transparent;border-color:rgba(245,244,239,.5);color:#F5F4EF;}
.btn-ghost-light:hover{background:rgba(245,244,239,.14);color:#F5F4EF;}
.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:8px;}
.btn-block{width:100%;}
@media (max-width:520px){.btn{height:48px;}}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--green);
}
.link-arrow svg{transition:transform var(--dur) var(--ease);}
.link-arrow:hover svg{transform:translateX(6px);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  background:var(--lime-soft);color:var(--green);border:1px solid rgba(201,242,77,.5);
}
.badge-sand{background:rgba(232,163,61,.16);color:#8A5A12;border-color:rgba(232,163,61,.45);}
.badge-solid{background:var(--green);color:#F5F4EF;border-color:var(--green);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag-pill{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:14px;color:var(--t2);
  transition:all var(--dur) var(--ease);
}
.tag-pill:hover{border-color:var(--green);color:var(--green);background:rgba(15,61,51,.04);}
.tag-pill.is-active{background:var(--green);border-color:var(--green);color:#F5F4EF;}

/* ---------- 阅读进度 ---------- */
.read-track{position:fixed;top:0;left:0;right:0;height:3px;background:transparent;z-index:130;pointer-events:none;}
.read-bar{height:3px;width:0;background:var(--green);position:relative;transition:width .1s linear;}
.read-bar::after{content:"";position:absolute;right:0;top:0;width:26px;height:3px;background:var(--lime);border-radius:2px;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(12,18,16,.42);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.12);
  box-shadow:0 8px 24px -18px rgba(0,0,0,.5);
  transition:background var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.site-header .nav-wrap{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:76px;max-width:var(--container);margin:0 auto;padding:0 32px;
  transition:height var(--dur) var(--ease);
}
.site-header.is-stuck{
  background:rgba(245,244,239,.96);
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px -12px rgba(16,21,19,.24);
}
.site-header.is-stuck .nav-wrap{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:40px;height:40px;flex:0 0 40px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:800;color:#F5F4EF;letter-spacing:.01em;transition:color var(--dur) var(--ease);}
.brand-sub{font-size:10.5px;letter-spacing:.16em;color:rgba(245,244,239,.62);transition:color var(--dur) var(--ease);}
.site-header.is-stuck .brand-name{color:var(--t1);}
.site-header.is-stuck .brand-sub{color:var(--t3);}
.nav-main{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;flex:1 1 auto;justify-content:center;}
.nav-main li{position:relative;}
.nav-main a{
  display:inline-flex;align-items:center;gap:5px;padding:10px 12px;border-radius:8px;
  font-size:15px;font-weight:600;color:rgba(245,244,239,.86);position:relative;
}
.nav-main a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform var(--dur) var(--ease);
}
.nav-main a:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-main a:hover::after,.nav-main a.is-active::after{transform:scaleX(1);}
.nav-main a.is-active{color:#fff;}
.site-header.is-stuck .nav-main a{color:var(--t2);}
.site-header.is-stuck .nav-main a:hover,.site-header.is-stuck .nav-main a.is-active{color:var(--green);background:rgba(15,61,51,.05);}
.more-list{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(-6px);
  min-width:172px;background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--sh2);padding:8px;display:grid;gap:2px;
  opacity:0;visibility:hidden;transition:all var(--dur) var(--ease);
}
.more-menu:hover .more-list,.more-menu:focus-within .more-list{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.more-list a{color:var(--t1);padding:9px 12px;font-size:14px;border-radius:8px;}
.more-list a::after{display:none;}
.more-list a:hover{background:rgba(15,61,51,.06);color:var(--green);}
.nav-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);display:inline-flex;align-items:center;justify-content:center;
  color:rgba(245,244,239,.9);border:1px solid rgba(255,255,255,.2);transition:all var(--dur) var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.14);color:#fff;}
.site-header.is-stuck .icon-btn{color:var(--green);border-color:var(--line);}
.site-header.is-stuck .icon-btn:hover{background:rgba(15,61,51,.07);}
.burger{display:none;width:42px;height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.22);position:relative;z-index:140;}
.burger span,.burger span::before,.burger span::after{
  content:"";position:absolute;left:50%;width:18px;height:2px;border-radius:2px;background:#F5F4EF;transform:translateX(-50%);
  transition:all var(--dur) var(--ease);
}
.burger span{top:50%;margin-top:-1px;}
.burger span::before{top:-6px;transform:translateX(-50%);}
.burger span::after{top:6px;transform:translateX(-50%);}
.site-header.is-stuck .burger{border-color:var(--line);}
.site-header.is-stuck .burger span,.site-header.is-stuck .burger span::before,.site-header.is-stuck .burger span::after{background:var(--green);}
.burger.is-open span{background:transparent;}
.burger.is-open span::before{top:0;transform:translateX(-50%) rotate(45deg);background:var(--green);}
.burger.is-open span::after{top:0;transform:translateX(-50%) rotate(-45deg);background:var(--green);}
body.drawer-open{overflow:hidden;}

/* ---------- 页面主区 ---------- */
main{padding-top:76px;}
.article-hero{background:#101513;position:relative;overflow:hidden;padding:44px 0 40px;}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:24px 24px;opacity:.5;
}
.article-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:460px;height:460px;border-radius:50%;
  border:1px solid rgba(201,242,77,.22);
}
.article-hero .grid-container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(245,244,239,.66);margin-bottom:20px;}
.breadcrumb a{color:rgba(245,244,239,.8);}
.breadcrumb a:hover{color:var(--lime);text-decoration:underline;}
.breadcrumb .sep{color:rgba(245,244,239,.35);}
.breadcrumb .current{color:rgba(245,244,239,.5);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{font-size:clamp(28px,3.6vw,42px);color:#F5F4EF;max-width:900px;}
.article-hero .lead{margin-top:16px;font-size:16px;line-height:1.85;color:rgba(245,244,239,.74);max-width:820px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px;font-size:13.5px;color:rgba(245,244,239,.62);}
.article-meta .dot{width:1px;height:13px;background:rgba(245,244,239,.28);}
.article-meta .badge{background:var(--lime);color:var(--ink-dark);border-color:var(--lime);font-weight:800;}

/* ---------- 布局 ---------- */
.section{padding:var(--sp-sec) 0;}
.article-layout{padding:64px 0 72px;background:var(--paper);}
.layout-grid{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:56px;align-items:start;}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh1);}

/* ---------- 正文 ---------- */
.article-body-wrap{max-width:760px;}
.article-body{font-size:17px;line-height:1.92;color:var(--t1);}
.article-body>*:first-child{margin-top:0;}
.article-body h2{
  font-size:clamp(22px,2.4vw,26px);position:relative;padding-left:16px;margin:2.2em 0 .8em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:3px;height:.95em;background:var(--lime);border-radius:2px;
}
.article-body h3{font-size:19px;margin:1.9em 0 .7em;color:var(--green);}
.article-body h4{font-size:17px;margin:1.6em 0 .6em;color:var(--t1);}
.article-body p{margin:0 0 1.15em;}
.article-body a{color:var(--green);font-weight:600;box-shadow:inset 0 -2px 0 rgba(201,242,77,.85);}
.article-body a:hover{color:var(--green-2);box-shadow:inset 0 -2px 0 var(--lime);}
.article-body strong{font-weight:800;color:var(--green-3);}
.article-body ul,.article-body ol{padding-left:1.3em;margin:0 0 1.2em;}
.article-body li{margin-bottom:.55em;line-height:1.85;}
.article-body ul{list-style:none;padding-left:0;}
.article-body ul>li{position:relative;padding-left:22px;}
.article-body ul>li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--lime);
}
.article-body ol{list-style:none;counter-reset:li;padding-left:0;}
.article-body ol>li{position:relative;padding-left:32px;counter-increment:li;}
.article-body ol>li::before{
  content:counter(li,decimal-leading-zero);position:absolute;left:0;top:.35em;
  font-size:12px;font-weight:800;color:var(--green);letter-spacing:.06em;
  width:22px;height:22px;border-radius:6px;background:var(--lime-soft);
  display:inline-flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:#FAF9F5;border-left:3px solid var(--green);
  border-radius:0 var(--r-img) var(--r-img) 0;color:var(--t2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);box-shadow:var(--sh1);margin:1.6em 0 .6em;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;overflow:hidden;border-radius:var(--r-img);border:1px solid var(--line);}
.article-body thead th{background:var(--green);color:#F5F4EF;font-weight:700;text-align:left;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line-soft);}
.article-body tbody tr:nth-child(even){background:#FAF9F5;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}
.article-body code{background:#F0EFE8;padding:2px 6px;border-radius:6px;font-size:14px;}

/* ---------- 侧栏 ---------- */
.side-col{display:grid;gap:18px;}
.side-card{padding:20px;position:sticky;top:96px;}
.side-card h3{font-size:15px;letter-spacing:.06em;color:var(--t2);display:flex;align-items:center;gap:8px;margin-bottom:14px;font-weight:700;}
.side-card h3::before{content:"";width:3px;height:14px;background:var(--lime);border-radius:2px;}
.toc-list{list-style:none;margin:0;padding:0;display:grid;gap:2px;max-height:52vh;overflow:auto;}
.toc-list a{display:block;padding:8px 10px;border-radius:8px;font-size:14px;color:var(--t2);line-height:1.6;}
.toc-list a:hover{background:rgba(15,61,51,.06);color:var(--green);}
.toc-list a.is-current{background:var(--lime-soft);color:var(--green);font-weight:700;}
.side-links{list-style:none;margin:0;padding:0;display:grid;gap:8px;}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:14px;color:var(--t2);padding:9px 10px;border-radius:8px;border:1px solid transparent;}
.side-links a:hover{background:#fff;border-color:var(--line);color:var(--green);}
.side-note{font-size:13px;color:var(--t3);line-height:1.8;}

/* ---------- 文末 ---------- */
.article-foot{margin-top:44px;padding-top:28px;border-top:1px solid var(--line);}
.foot-label{font-size:13px;color:var(--t3);letter-spacing:.06em;margin-bottom:12px;}
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:28px;}
.pn-card{
  display:block;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh1);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.pn-card:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:rgba(15,61,51,.3);}
.pn-card span{display:block;font-size:12.5px;color:var(--t3);letter-spacing:.06em;margin-bottom:6px;}
.pn-card strong{font-size:15.5px;font-weight:700;color:var(--t1);display:block;line-height:1.6;}

/* ---------- 继续浏览 ---------- */
.section-head{margin-bottom:36px;}
.section-head .index{font-size:12.5px;letter-spacing:.16em;color:var(--t3);display:block;margin-bottom:10px;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);position:relative;padding-left:16px;}
.section-head h2::before{content:"";position:absolute;left:0;top:.32em;width:3px;height:.9em;background:var(--lime);border-radius:2px;}
.section-head p{margin-top:12px;color:var(--t2);font-size:16px;max-width:640px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh1);display:flex;flex-direction:column;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:rgba(15,61,51,.3);}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#E9E8E1;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-media .badge{position:absolute;left:12px;bottom:12px;background:rgba(15,61,51,.9);color:#F5F4EF;border-color:transparent;}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{font-size:14.5px;color:var(--t2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0;}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t3);margin-top:auto;}

/* ---------- CTA ---------- */
.cta-inline{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:var(--lime-soft);border:1px solid rgba(201,242,77,.55);border-radius:var(--r-card);
  padding:22px 26px;margin:56px 0 0;
}
.cta-inline strong{display:block;font-size:18px;font-weight:800;}
.cta-inline span{display:block;font-size:14px;color:var(--t2);margin-top:4px;}
.cta-dark{background:#101513;color:#F5F4EF;position:relative;overflow:hidden;padding:80px 0;}
.cta-dark::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:24px 24px;
}
.cta-dark::after{
  content:"";position:absolute;left:-100px;bottom:-160px;width:380px;height:380px;border-radius:50%;
  border:1px solid rgba(201,242,77,.2);
}
.cta-dark .grid-container{position:relative;z-index:2;}
.cta-dark h2{font-size:clamp(24px,2.8vw,34px);color:#F5F4EF;}
.cta-dark p{margin-top:14px;color:rgba(245,244,239,.72);max-width:620px;font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.cta-contact{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;font-size:14px;color:rgba(245,244,239,.6);}
.cta-contact b{color:var(--lime);font-weight:700;}

/* ---------- 空态 ---------- */
.empty-state{
  border:1.5px dashed var(--line);border-radius:var(--r-card);background:#fff;
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;padding:32px 24px;text-align:center;
}
.empty-state svg{color:var(--green);opacity:.5;}
.empty-state p{font-size:15px;font-weight:700;margin:0;}
.empty-state small{font-size:13px;color:var(--t3);}
.empty-state .btn{margin-top:8px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green);color:rgba(245,244,239,.78);padding:72px 0 28px;border-top:1px solid rgba(201,242,77,.12);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr 1fr;gap:32px;padding-bottom:44px;border-bottom:1px solid rgba(245,244,239,.14);}
.footer-brand .brand-name{display:block;font-size:19px;color:#F5F4EF;font-weight:800;margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(245,244,239,.68);margin-bottom:12px;}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:#F5F4EF;margin-bottom:16px;font-weight:700;}
.footer-col a{display:block;font-size:14px;color:rgba(245,244,239,.72);padding:5px 0;transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);}
.footer-col a:hover{color:var(--lime);transform:translateX(3px);}
.footer-col li{list-style:none;font-size:14px;padding:5px 0;color:rgba(245,244,239,.72);}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:24px;font-size:13px;color:rgba(245,244,239,.55);}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:110;
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--green);color:#F5F4EF;font-size:15px;font-weight:700;box-shadow:var(--sh2);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:all var(--dur) var(--ease);
}
.float-cta.is-show{opacity:1;visibility:visible;transform:none;}
.float-cta:hover{background:var(--green-2);color:#F5F4EF;transform:translateY(-2px);}
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:115;
  background:rgba(245,244,239,.97);border-top:1px solid var(--line);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  gap:10px;box-shadow:0 -8px 24px -18px rgba(16,21,19,.4);
}
.mobile-bar .btn{flex:1;height:48px;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sp-sec:72px;}
  .layout-grid{grid-template-columns:1fr;gap:36px;}
  .side-card{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr 1fr;}
}
@media (max-width:900px){
  .burger{display:inline-flex;align-items:center;justify-content:center;}
  .nav-cta{display:none;}
  .nav-main{
    position:fixed;inset:0;background:var(--paper);flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:2px;padding:104px 24px 40px;transform:translateX(100%);transition:transform .28s var(--ease);
    z-index:130;overflow:auto;
  }
  .nav-main.is-open{transform:none;}
  .nav-main a{color:var(--t1)!important;font-size:17px;padding:14px 12px;border-bottom:1px solid var(--line);border-radius:0;}
  .nav-main a::after{display:none;}
  .nav-main a.is-active{color:var(--green)!important;}
  .more-list{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:0;background:transparent;padding:0 0 0 12px;}
  .main{padding-top:76px;}
  .article-hero{padding:36px 0 34px;}
}
@media (max-width:768px){
  :root{--sp-sec:48px;}
  .article-layout{padding:44px 0 56px;}
  .article-body{font-size:16px;line-height:1.9;}
  .card-grid{grid-template-columns:1fr;}
  .prevnext{grid-template-columns:1fr;}
  .cta-dark{padding:56px 0;}
  .float-cta{display:none;}
  .mobile-bar{display:flex;}
  body{padding-bottom:80px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr;}
  .cta-inline{flex-direction:column;align-items:flex-start;}
  .cta-inline .btn{width:100%;}
  .breadcrumb .current{max-width:220px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category2 */
:root{
  --ink:#0F3D33;
  --ink-hover:#14523F;
  --lime:#C9F24D;
  --sand:#E8A33D;
  --paper:#F5F4EF;
  --dark:#101513;
  --card:#FFFFFF;
  --text:#1A1F1D;
  --text-2:#5C6660;
  --text-3:#8B938D;
  --line:#E4E3DA;
  --line-soft:#EDECE3;
  --err:#C2452D;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(16,21,19,.06);
  --sh-2:0 10px 30px -12px rgba(16,21,19,.18);
  --sh-3:0 18px 40px -16px rgba(16,21,19,.26);
  --ease:cubic-bezier(.2,.7,.2,1);
  --t:220ms;
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;transition:color var(--t) var(--ease)}
a:hover{color:var(--ink-hover)}
p{margin:0 0 1.1em}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.3;letter-spacing:-.01em;font-weight:700;color:var(--text)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:3px solid rgba(15,61,51,.22);outline-offset:3px;border-radius:6px}
::selection{background:rgba(201,242,77,.5);color:var(--ink)}

/* ---------- 容器 ---------- */
.grid-container{
  width:100%;
  max-width:var(--container);
  margin-left:auto;
  margin-right:auto;
  padding-left:32px;
  padding-right:32px;
}
.section{padding:96px 0}
.section-tight{padding:72px 0}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  height:76px;
  display:flex;
  align-items:center;
  background:rgba(12,18,16,.42);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.12);
  box-shadow:0 8px 24px -18px rgba(0,0,0,.5);
  transition:height var(--t) var(--ease),background var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.site-header.is-stuck{
  height:64px;
  background:rgba(245,244,239,.96);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 24px -12px rgba(16,21,19,.24);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:36px;height:36px;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{
  display:inline-flex;
  font-size:18px;
  font-weight:700;
  letter-spacing:.02em;
  color:#F5F4EF;
  transition:color var(--t) var(--ease);
}
.brand-sub{
  font-size:11px;
  letter-spacing:.14em;
  color:rgba(245,244,239,.62);
  transition:color var(--t) var(--ease);
}
.site-header.is-stuck .brand-name{color:var(--ink)}
.site-header.is-stuck .brand-sub{color:var(--text-3)}
.site-header.is-stuck .brand-mark path:nth-child(1){stroke:#0F3D33}
.site-header.is-stuck .brand-mark path:nth-child(2){stroke:#0F3D33}

.nav-main{display:flex;align-items:center;gap:26px}
.nav-main > li{position:relative}
.nav-main a{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:4px;
  padding:8px 0;
  font-size:15px;
  font-weight:500;
  color:rgba(245,244,239,.86);
  transition:color var(--t) var(--ease);
}
.nav-main a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t) var(--ease);
}
.nav-main a:hover{color:#fff}
.nav-main a:hover::after,
.nav-main a.is-active::after{transform:scaleX(1)}
.site-header.is-stuck .nav-main a{color:var(--text-2)}
.site-header.is-stuck .nav-main a:hover,
.site-header.is-stuck .nav-main a.is-active{color:var(--ink)}

.more-menu .more-list{
  position:absolute;
  top:calc(100% + 14px);
  left:-14px;
  min-width:170px;
  padding:10px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  display:flex;
  flex-direction:column;
  gap:2px;
  opacity:0;
  visibility:hidden;
  transform:translateY(6px);
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease),visibility var(--t);
}
.more-menu:hover .more-list,
.more-menu:focus-within .more-list{opacity:1;visibility:visible;transform:translateY(0)}
.more-list a{color:var(--text-2);font-size:14px;padding:8px 10px;border-radius:8px}
.more-list a::after{display:none}
.more-list a:hover{background:var(--paper);color:var(--ink)}

.nav-tools{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid rgba(245,244,239,.28);
  background:transparent;
  color:#F5F4EF;
  transition:all var(--t) var(--ease);
}
.icon-btn:hover{background:rgba(245,244,239,.14);border-color:rgba(245,244,239,.5)}
.site-header.is-stuck .icon-btn{border-color:var(--line);color:var(--ink)}
.site-header.is-stuck .icon-btn:hover{background:rgba(15,61,51,.08)}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 26px;
  border-radius:var(--r-btn);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
  transition:transform var(--t) var(--ease),background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--ink);color:#F5F4EF}
.btn-primary:hover{background:var(--ink-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-lime{background:var(--lime);color:#12211B}
.btn-lime:hover{background:#d7f877;color:#12211B;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;border-color:rgba(245,244,239,.55);color:#F5F4EF}
.btn-ghost:hover{background:rgba(245,244,239,.14);border-color:#F5F4EF;color:#fff;transform:translateY(-2px)}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:rgba(15,61,51,.08);color:var(--ink);transform:translateY(-2px)}
.nav-cta{height:40px;padding:0 18px;font-size:14px}

.burger{
  display:none;
  width:42px;height:42px;
  border:1px solid rgba(245,244,239,.3);
  border-radius:10px;
  background:transparent;
  position:relative;
}
.burger span,
.burger span::before,
.burger span::after{
  position:absolute;left:50%;
  width:18px;height:2px;
  background:#F5F4EF;
  border-radius:2px;
  transform:translateX(-50%);
  transition:transform var(--t) var(--ease),background var(--t) var(--ease);
}
.burger span{top:50%;margin-top:-1px}
.burger span::before{content:"";top:-6px;left:0;transform:none}
.burger span::after{content:"";top:6px;left:0;transform:none}
.site-header.is-stuck .burger{border-color:var(--line)}
.site-header.is-stuck .burger span,
.site-header.is-stuck .burger span::before,
.site-header.is-stuck .burger span::after{background:var(--ink)}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,21,19,.5);
  opacity:0;visibility:hidden;transition:opacity var(--t) var(--ease),visibility var(--t);z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;
  width:86%;max-width:360px;
  background:var(--paper);
  z-index:80;
  padding:26px 22px 40px;
  transform:translateX(101%);
  transition:transform 280ms var(--ease);
  overflow-y:auto;
  box-shadow:-20px 0 40px -20px rgba(16,21,19,.4);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-head .brand-name{color:var(--ink);font-size:16px}
.drawer-close{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;line-height:1;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:22px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 14px;border-radius:10px;border:1px solid var(--line);background:#fff;
  font-size:16px;color:var(--text);font-weight:500;
}
.drawer-nav a.is-active{background:var(--ink);color:#F5F4EF;border-color:var(--ink)}
.drawer-nav a:hover{border-color:rgba(15,61,51,.35)}
.drawer-cta{display:block;width:100%;text-align:center}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;
  padding:168px 0 88px;
  background:var(--dark);
  overflow:hidden;
  isolation:isolate;
}
.page-hero-img{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
  z-index:-2;
}
.page-hero-mask{
  position:absolute;inset:0;
  z-index:-1;
  background:linear-gradient(105deg,rgba(15,61,51,.92) 0%,rgba(15,61,51,.80) 45%,rgba(16,21,19,.62) 100%);
}
.page-hero-inner{position:relative;max-width:820px}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;margin-bottom:22px;color:rgba(245,244,239,.7);
}
.breadcrumb a{color:rgba(245,244,239,.82)}
.breadcrumb a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:rgba(245,244,239,.62)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;color:var(--lime);
  text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);display:inline-block}
.page-hero h1{
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.28;
  color:#F5F4EF;
  margin-bottom:20px;
}
.page-hero h1 .hl{
  color:var(--ink);
  background:var(--lime);
  padding:2px 10px;
  border-radius:8px;
  display:inline-block;
}
.page-hero-lead{
  font-size:17px;
  line-height:1.9;
  color:rgba(245,244,239,.82);
  max-width:660px;
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:16px;
  padding-top:26px;
  border-top:1px solid rgba(245,244,239,.16);
}
.hero-stat{
  min-width:150px;
  padding-right:26px;
}
.hero-stat strong{
  display:block;
  font-size:24px;
  font-weight:700;
  color:#F5F4EF;
  line-height:1.2;
}
.hero-stat span{font-size:13px;color:rgba(245,244,239,.62)}

/* ---------- 区块标题 ---------- */
.sec-head{margin-bottom:42px;max-width:760px}
.sec-num{
  display:block;
  font-size:12px;
  letter-spacing:.16em;
  color:var(--text-3);
  margin-bottom:10px;
}
.sec-head h2{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:clamp(24px,2.6vw,34px);
  margin-bottom:12px;
}
.sec-head h2::before{
  content:"";
  width:3px;height:18px;
  background:var(--lime);
  border-radius:2px;
  flex:0 0 auto;
}
.sec-head p{color:var(--text-2);font-size:16px;margin:0}

/* ---------- 精选特稿 ---------- */
.feature{
  display:flex;
  gap:32px;
  align-items:stretch;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t) var(--ease),transform var(--t) var(--ease),border-color var(--t) var(--ease);
}
.feature:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(15,61,51,.3)}
.feature-media{flex:0 0 54%;position:relative;min-height:320px;background:#e9e8e0}
.feature-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.feature-body{flex:1;padding:36px 36px 34px;display:flex;flex-direction:column;justify-content:center}
.feature-body .badge{margin-bottom:14px}
.feature-body h3{font-size:24px;line-height:1.4;margin-bottom:14px}
.feature-body p{color:var(--text-2);font-size:15.5px;line-height:1.85;margin-bottom:20px}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 10px;
  border-radius:var(--r-badge);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  background:rgba(15,61,51,.08);
  color:var(--ink);
}
.badge-sand{background:rgba(232,163,61,.16);color:#8a5c11}
.kb-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--text-3)}
.kb-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line);display:inline-block}
.kb-meta time{color:var(--text-3)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--ink);
}
.link-arrow svg{transition:transform var(--t) var(--ease)}
.feature:hover .link-arrow svg,
.kb-card:hover .link-arrow svg{transform:translateX(6px)}

/* ---------- 分类布局 ---------- */
.kb-layout{display:flex;gap:32px;align-items:flex-start}
.kb-side{flex:0 0 240px;width:240px;position:sticky;top:96px}
.side-title{
  font-size:13px;letter-spacing:.14em;color:var(--text-3);
  font-weight:600;margin-bottom:14px;
}
.tag-list{display:flex;flex-direction:column;gap:8px}
.tag{
  display:inline-flex;align-items:center;justify-content:space-between;
  gap:8px;
  height:38px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text-2);
  font-size:14px;
  font-weight:500;
  transition:all var(--t) var(--ease);
  text-align:left;
  white-space:nowrap;
}
.tag:hover{border-color:rgba(15,61,51,.4);color:var(--ink);transform:translateY(-1px)}
.tag.is-active{background:var(--ink);border-color:var(--ink);color:#F5F4EF}
.tag .count{font-size:12px;color:var(--text-3)}
.tag.is-active .count{color:rgba(245,244,239,.6)}
.side-note{
  margin-top:24px;
  padding:20px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--sh-1);
}
.side-note h4{font-size:15px;margin-bottom:8px}
.side-note p{font-size:13.5px;color:var(--text-2);line-height:1.8;margin-bottom:14px}
.side-note .btn{width:100%;height:42px;font-size:14px}

.kb-main{flex:1;min-width:0}
.kb-cards{display:flex;flex-wrap:wrap;gap:24px}
.kb-cards > .cell{width:calc(50% - 12px);min-width:0}
.kb-cell.is-hidden{display:none}
.kb-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.kb-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(15,61,51,.3)}
.kb-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#e9e8e0}
.kb-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 500ms var(--ease)}
.kb-card:hover .kb-thumb img{transform:scale(1.05)}
.kb-badge{
  position:absolute;left:12px;bottom:12px;
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;font-weight:600;
  background:rgba(16,21,19,.76);
  color:#F5F4EF;
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.kb-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.kb-body h3{
  font-size:19px;line-height:1.45;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.kb-body .excerpt{
  color:var(--text-2);font-size:15px;line-height:1.8;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.kb-body .kb-meta{margin-bottom:14px}
.kb-body .link-arrow{margin-top:auto}

/* ---------- 内联 CTA 条 ---------- */
.inline-cta{
  background:rgba(201,242,77,.16);
  border-top:1px solid rgba(15,61,51,.08);
  border-bottom:1px solid rgba(15,61,51,.08);
}
.inline-cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding-top:26px;padding-bottom:26px;
}
.inline-cta h3{font-size:19px;margin-bottom:4px}
.inline-cta p{margin:0;font-size:14.5px;color:var(--text-2)}

/* ---------- 查找路径 ---------- */
.path-grid{display:flex;flex-wrap:wrap;gap:24px}
.path-card{
  flex:1 1 calc(50% - 12px);
  min-width:280px;
  padding:24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.path-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.path-card .idx{
  display:inline-block;
  font-size:12px;letter-spacing:.16em;color:var(--text-3);margin-bottom:10px;
}
.path-card h3{font-size:19px;margin-bottom:8px}
.path-card p{font-size:15px;color:var(--text-2);line-height:1.85;margin:0}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
.kb-faq{background:transparent;border:0;margin:0}
.kb-faq .accordion-item{
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.kb-faq .accordion-item.is-active{
  border-color:rgba(15,61,51,.32);
  box-shadow:var(--sh-1);
  border-left:3px solid var(--lime);
}
.kb-faq .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;
  font-size:16.5px;
  color:var(--text);
  border:0;
  background:transparent;
  line-height:1.5;
}
.kb-faq .accordion-title::before{display:none}
.kb-faq .accordion-title::after{
  content:"";
  flex:0 0 auto;
  width:12px;height:12px;
  border-right:2px solid var(--ink);
  border-bottom:2px solid var(--ink);
  transform:rotate(45deg) translateY(-2px);
  transition:transform 180ms var(--ease);
  margin-right:4px;
}
.kb-faq .accordion-item.is-active .accordion-title::after{transform:rotate(-135deg) translateY(-2px)}
.kb-faq .accordion-title h3{font-size:16.5px;margin:0;font-weight:700;line-height:1.5}
.kb-faq .accordion-content{
  display:block;
  padding:0 20px 18px 20px;
  border:0;
  background:transparent;
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.85;
}
.kb-faq .accordion-content p{margin:0 0 10px}
.kb-faq .accordion-content p:last-child{margin-bottom:0}

/* ---------- 深色 CTA ---------- */
.cta-band{
  position:relative;
  background:var(--dark);
  color:#F5F4EF;
  padding:88px 0;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:24px 24px;
  opacacity:.5;
  pointer-events:none;
}
.cta-band-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-band h2{
  color:#F5F4EF;
  font-size:clamp(24px,2.8vw,36px);
  margin-bottom:12px;
  display:flex;align-items:center;gap:12px;
}
.cta-band h2::before{content:"";width:3px;height:18px;background:var(--lime);border-radius:2px}
.cta-band p{color:rgba(245,244,239,.74);font-size:16px;max-width:560px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-contact{
  margin-top:34px;padding-top:22px;border-top:1px solid rgba(245,244,239,.14);
  display:flex;flex-wrap:wrap;gap:12px 32px;
  font-size:14px;color:rgba(245,244,239,.66);
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(245,244,239,.75);
  padding:72px 0 28px;
  border-top:1px solid rgba(201,242,77,.12);
  font-size:15px;
}
.footer-grid{
  display:flex;
  flex-wrap:wrap;
  gap:40px 32px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(245,244,239,.14);
}
.footer-brand{flex:1 1 300px;min-width:260px;max-width:360px}
.footer-brand .brand-name{
  color:#F5F4EF;font-size:19px;display:block;margin-bottom:14px;
}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(245,244,239,.68);margin-bottom:10px}
.footer-col{flex:1 1 160px;min-width:150px}
.footer-col h4{
  color:#F5F4EF;font-size:14px;letter-spacing:.08em;margin-bottom:16px;
}
.footer-col a,.footer-col li{
  display:block;
  font-size:14.5px;
  color:rgba(245,244,239,.68);
  padding:5px 0;
  list-style:none;
}
.footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding-top:22px;
  font-size:13px;
  color:rgba(245,244,239,.55);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:32px;bottom:32px;z-index:65;
  height:48px;padding:0 26px;
  display:inline-flex;align-items:center;gap:8px;
  border-radius:999px;
  background:var(--ink);
  color:#F5F4EF;
  font-size:15px;font-weight:600;
  box-shadow:0 14px 34px -14px rgba(16,21,19,.6);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease),visibility var(--t),background var(--t) var(--ease);
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{background:var(--ink-hover);color:#fff;transform:translateY(-2px)}

.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:none;
  gap:10px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(245,244,239,.97);
  border-top:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  box-shadow:0 -8px 24px -18px rgba(16,21,19,.5);
}
.mobile-bar .btn{flex:1;height:48px;font-size:15px}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .grid-container{padding-left:28px;padding-right:28px}
}
@media (max-width:1024px){
  .grid-container{padding-left:24px;padding-right:24px}
  .section{padding:72px 0}
  .nav-main{gap:18px}
  .nav-main a{font-size:14.5px}
  .feature{flex-direction:column}
  .feature-media{flex:none;min-height:260px;aspect-ratio:16/9}
  .feature-media img{position:relative;inset:auto}
  .feature-body{padding:28px 26px 30px}
}
@media (max-width:900px){
  .nav-main,.more-menu{display:none}
  .burger{display:inline-flex;align-items:center;justify-content:center}
  .nav-cta{display:none}
  .kb-layout{flex-direction:column;gap:26px}
  .kb-side{position:static;width:100%;flex:1 1 auto}
  .tag-list{flex-direction:row;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .tag{flex:0 0 auto}
  .side-note{display:none}
  .page-hero{padding:148px 0 72px}
  body{padding-bottom:78px}
  .mobile-bar{display:flex}
  .float-cta{display:none}
  .inline-cta-inner{flex-direction:column;align-items:flex-start;gap:16px}
  .cta-band-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .kb-cards > .cell{width:100%}
  .footer-grid{gap:32px 24px}
  .footer-brand{max-width:none}
  .hero-stats{gap:0}
  .hero-stat{min-width:50%;padding:12px 12px 12px 0}
  .page-hero-lead{font-size:16px}
}
@media (max-width:520px){
  .grid-container{padding-left:20px;padding-right:20px}
  .section{padding:48px 0}
  .brand-name{font-size:16px}
  body{font-size:16px}
  .page-hero{padding:132px 0 60px}
  .page-hero h1{font-size:28px}
  .hero-actions .btn{width:100%}
  .btn{height:48px}
  .path-card{flex:1 1 100%;min-width:0}
  .kb-body h3{font-size:17.5px}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --ink:#1A1F1D;
  --ink-2:#5C6660;
  --ink-3:#8B938D;
  --line:#E4E3DA;
  --line-2:#DDDCD3;
  --paper:#F5F4EF;
  --white:#FFFFFF;
  --green:#0F3D33;
  --green-2:#14523F;
  --green-3:#0B2C25;
  --lime:#C9F24D;
  --sand:#E8A33D;
  --dark:#101513;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,21,19,.06);
  --sh-2:0 10px 30px -12px rgba(16,21,19,.18);
  --sh-3:0 18px 40px -16px rgba(16,21,19,.26);
  --ease:cubic-bezier(.2,.7,.2,1);
  --gutter:32px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.92;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--paper);
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px}
a{color:var(--green);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--green-2)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em;font-weight:800;color:var(--ink)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(15,61,51,.22);outline-offset:2px;border-radius:6px}
.grid-container{max-width:1200px;padding-left:var(--gutter);padding-right:var(--gutter);margin:0 auto;width:100%}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background-color:rgba(12,18,16,.42);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.12);
  box-shadow:0 8px 24px -18px rgba(0,0,0,.5);
  color:#F5F4EF;
  transition:background-color .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.site-header.is-stuck{
  background-color:rgba(245,244,239,.96);
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px -12px rgba(16,21,19,.24);
  color:var(--ink);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px;transition:height .22s var(--ease)}
.site-header.is-stuck .nav-wrap{height:64px}
.brand{display:flex;align-items:center;gap:10px;color:inherit;flex:0 0 auto}
.brand:hover{color:inherit}
.brand-mark{width:38px;height:38px;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.01em}
.brand-sub{font-size:10px;letter-spacing:.16em;opacity:.62;font-weight:500}
.nav-main{display:flex;align-items:center;gap:2px}
.nav-main li{position:relative}
.nav-main a{display:inline-block;padding:9px 12px;border-radius:8px;font-size:15px;font-weight:500;color:inherit;position:relative;transition:background-color .2s var(--ease),color .2s var(--ease)}
.site-header:not(.is-stuck) .nav-main a:hover{background:rgba(255,255,255,.1)}
.site-header.is-stuck .nav-main a:hover{background:rgba(15,61,51,.07);color:var(--green)}
.nav-main a.is-active{font-weight:700}
.nav-main a.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--lime)}
.more-list{
  position:absolute;top:calc(100% + 8px);left:0;min-width:170px;background:var(--white);
  border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh-2);padding:8px;
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:all .2s var(--ease);
}
.more-menu:hover .more-list,.more-menu:focus-within .more-list{opacity:1;visibility:visible;transform:none}
.more-list a{display:block;color:var(--ink);font-size:14.5px;padding:9px 12px;border-radius:8px}
.more-list a:hover{background:rgba(15,61,51,.07);color:var(--green)}
.nav-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;border:1px solid rgba(255,255,255,.28);background:transparent;color:inherit;cursor:pointer;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.12);transform:translateY(-1px)}
.site-header.is-stuck .icon-btn{border-color:var(--line);}
.site-header.is-stuck .icon-btn:hover{background:rgba(15,61,51,.07)}
.burger{display:none;width:42px;height:42px;border:1px solid rgba(255,255,255,.28);background:transparent;border-radius:10px;position:relative;cursor:pointer}
.site-header.is-stuck .burger{border-color:var(--line)}
.burger span,.burger span::before,.burger span::after{position:absolute;left:50%;width:18px;height:1.8px;background:currentColor;border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.burger span{top:50%;transform:translate(-50%,-50%)}
.burger span::before{content:"";left:0;top:-6px;transform:none}
.burger span::after{content:"";left:0;top:6px;transform:none}
.burger[aria-expanded="true"] span{background:transparent}
.burger[aria-expanded="true"] span::before{transform:rotate(45deg) translateY(6px)}
.burger[aria-expanded="true"] span::after{transform:rotate(-45deg) translateY(-6px)}
.nav-drawer{display:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 26px;font-size:15.5px;font-weight:700;letter-spacing:.01em;
  border-radius:var(--r-btn);border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--green);color:#F5F4EF}
.btn-primary:hover{background:var(--green-2);color:#fff;box-shadow:var(--sh-2)}
.btn-lime{background:var(--lime);color:#0F3D33}
.btn-lime:hover{background:#d9ff66;color:#0B2C25;box-shadow:0 12px 26px -14px rgba(201,242,77,.9)}
.btn-ghost{background:transparent;border:1.5px solid rgba(245,244,239,.65);color:#F5F4EF}
.btn-ghost:hover{background:rgba(245,244,239,.14);color:#fff}
.btn-ghost-dark{background:transparent;border:1.5px solid var(--green);color:var(--green)}
.btn-ghost-dark:hover{background:rgba(15,61,51,.08);color:var(--green-2)}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:8px}

/* ============ 分类首屏 ============ */
.page-hero{
  position:relative;overflow:hidden;color:#F5F4EF;
  background-image:linear-gradient(105deg,rgba(15,61,51,.94) 0%,rgba(15,61,51,.78) 52%,rgba(16,21,19,.66) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:148px 0 76px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:24px 24px;opacity:.55;pointer-events:none;
}
.page-hero .grid-container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(245,244,239,.72);margin-bottom:22px}
.crumbs a{color:rgba(245,244,239,.86)}
.crumbs a:hover{color:var(--lime);text-decoration:underline}
.crumbs .sep{opacity:.5}
.crumbs .cur{color:rgba(245,244,239,.6)}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(201,242,77,.16);border:1px solid rgba(201,242,77,.42);color:var(--lime);
  font-size:13px;font-weight:600;letter-spacing:.06em;margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,50px);color:#fff;max-width:18em;margin-bottom:20px;
}
.page-hero h1 em{font-style:normal;color:var(--lime);box-shadow:inset 0 -10px 0 rgba(201,242,77,.18)}
.hero-lead{font-size:17px;line-height:1.95;color:rgba(245,244,239,.86);max-width:46em;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.pill-index{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:8px}
.pill-index a{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:rgba(245,244,239,.88);border:1px solid rgba(245,244,239,.3);
  background:rgba(255,255,255,.06);transition:all .2s var(--ease);
}
.pill-index a:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px)}
.pill-index a.is-current{background:var(--green);border-color:var(--lime);color:#fff}
.hero-meta-line{margin-top:20px;font-size:13px;color:rgba(245,244,239,.6);display:flex;flex-wrap:wrap;gap:16px}
.hero-meta-line time{font-variant-numeric:tabular-nums}

/* ============ 通用板块 ============ */
.sec{padding:96px 0}
.sec-alt{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-dark{background:var(--dark);color:rgba(245,244,239,.82)}
.sec-head{max-width:760px;margin-bottom:48px}
.sec-index{display:block;font-size:12px;letter-spacing:.16em;color:var(--ink-3);font-weight:600;margin-bottom:10px}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);position:relative;padding-left:16px;margin-bottom:14px}
.sec-head h2::before{content:"";position:absolute;left:0;top:.28em;width:3px;height:18px;border-radius:2px;background:var(--lime)}
.sec-desc{color:var(--ink-2);font-size:16.5px;max-width:44em}

/* ============ 时间轴 ============ */
.timeline{position:relative;max-width:920px;padding-left:36px}
.timeline::before{content:"";position:absolute;left:7px;top:10px;bottom:10px;width:2px;border-radius:2px;background:linear-gradient(180deg,var(--lime) 0%,rgba(201,242,77,.5) 45%,rgba(201,242,77,.16) 100%)}
.tl-item{position:relative;margin-bottom:22px}
.tl-item::before{content:"";position:absolute;left:-35px;top:26px;width:14px;height:14px;border-radius:50%;background:var(--lime);border:3px solid var(--paper);box-shadow:0 0 0 1px rgba(201,242,77,.7)}
.tl-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;
  box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(15,61,51,.3)}
.tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:10px}
.tl-date{font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--green);background:rgba(201,242,77,.28);border-radius:6px;padding:3px 10px;font-variant-numeric:tabular-nums}
.tl-step{font-size:12px;letter-spacing:.16em;color:var(--ink-3);font-weight:600}
.tl-card h3{font-size:19px;margin-bottom:10px;line-height:1.45}
.tl-card p{font-size:15.5px;line-height:1.85;color:var(--ink-2);margin-bottom:14px}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px}
.tl-tags span{font-size:12.5px;color:var(--ink-2);border:1px solid var(--line);border-radius:6px;padding:3px 10px;background:#FAF9F5}

/* ============ 图文：单次训练结构 ============ */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.split-media{position:relative}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;box-shadow:var(--sh-2)}
.split-media .float-badge{
  position:absolute;left:20px;bottom:20px;background:var(--green);color:#F5F4EF;border-radius:12px;
  padding:12px 18px;font-size:13.5px;line-height:1.5;box-shadow:var(--sh-2);
}
.split-media .float-badge b{display:block;font-size:22px;color:var(--lime);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.step-list li{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.step-list li:last-child{border-bottom:0;padding-bottom:0}
.step-num{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;background:rgba(15,61,51,.08);color:var(--green);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
}
.step-list h3{font-size:17px;margin-bottom:6px}
.step-list p{font-size:15px;color:var(--ink-2);line-height:1.8;margin:0}

/* ============ 适用对象卡片 ============ */
.obj-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.obj-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.obj-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(15,61,51,.3)}
.obj-icon{width:42px;height:42px;border-radius:12px;background:var(--green);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.obj-card h3{font-size:17px;margin-bottom:10px}
.obj-card p{font-size:14.5px;color:var(--ink-2);line-height:1.85;margin:0}

/* ============ 数据条 ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;border-top:1px solid rgba(245,244,239,.16);border-bottom:1px solid rgba(245,244,239,.16);padding:44px 0}
.stat b{display:block;font-size:clamp(34px,4vw,46px);line-height:1.1;color:var(--lime);font-variant-numeric:tabular-nums;letter-spacing:-.01em;margin-bottom:8px}
.stat span{font-size:14.5px;color:rgba(245,244,239,.72)}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto}
.accordion{border:0;background:transparent;margin:0}
.accordion .accordion-item{
  border:1px solid var(--line);border-radius:12px;background:var(--white);margin-bottom:12px;overflow:hidden;
  box-shadow:var(--sh-1);transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.accordion .accordion-item:hover{box-shadow:var(--sh-2)}
.accordion .accordion-item.is-active{border-color:rgba(15,61,51,.28);box-shadow:inset 3px 0 0 var(--lime),var(--sh-2)}
.accordion .accordion-title{
  padding:18px 54px 18px 22px;font-size:17px;font-weight:700;color:var(--ink);border:0;background:transparent;
  line-height:1.5;transition:color .2s var(--ease);
}
.accordion .accordion-title:hover{color:var(--green)}
.accordion .accordion-title::before{
  content:"+";position:absolute;right:20px;left:auto;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--green);margin:0;transition:transform .18s var(--ease);
}
.accordion .accordion-title[aria-expanded="true"]::before{content:"–";transform:translateY(-50%) rotate(180deg)}
.accordion .accordion-content{padding:0 22px 20px;border:0;background:transparent;color:var(--ink-2);font-size:15.5px;line-height:1.85}

/* ============ CTA 深色区 ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--green);color:#F5F4EF;border-radius:18px;
  padding:56px 48px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--sh-2);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:24px 24px;opacity:.5;pointer-events:none;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:10px}
.cta-band p{color:rgba(245,244,239,.8);font-size:15.5px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{background:var(--green);color:rgba(245,244,239,.76);border-top:1px solid rgba(201,242,77,.12);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr 1.1fr;gap:36px;padding-bottom:48px}
.footer-brand .brand-name{display:block;font-size:19px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-brand p{font-size:14.5px;line-height:1.9;margin-bottom:12px;color:rgba(245,244,239,.72)}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.06em}
.footer-col a,.footer-col li{display:block;font-size:14.5px;color:rgba(245,244,239,.76);margin-bottom:10px;line-height:1.7}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  border-top:1px solid rgba(201,242,77,.12);padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:rgba(245,244,239,.6);
}
.footer-bottom time{font-variant-numeric:tabular-nums}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:32px;bottom:32px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:var(--green);color:#F5F4EF;font-size:15px;font-weight:700;box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease),background-color .2s var(--ease);
}
.float-cta.is-show{opacity:1;visibility:visible;transform:none}
.float-cta:hover{background:var(--green-2);color:#fff;transform:translateY(-2px)}
.float-cta.is-hidden{opacity:0;visibility:hidden}
.mobile-bar{display:none}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--gutter:24px}
  .sec{padding:72px 0}
  .split{grid-template-columns:1fr;gap:36px}
  .obj-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:900px){
  body{padding-bottom:78px}
  .nav-main{display:none}
  .nav-cta{display:none}
  .burger{display:block}
  .nav-drawer{
    display:block;position:fixed;top:76px;left:0;right:0;bottom:0;z-index:55;
    background:#F5F4EF;padding:22px 20px 40px;overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease);
  }
  .nav-drawer.is-open{opacity:1;visibility:visible;transform:none}
  .drawer-link{display:block;padding:15px 4px;font-size:16.5px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
  .drawer-link.is-active{color:var(--green);box-shadow:inset 3px 0 0 var(--lime);padding-left:14px}
  .drawer-sub{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;margin:20px 0 26px}
  .drawer-sub a{font-size:14.5px;color:var(--ink-2);padding:8px 0}
  .drawer-sub a:hover{color:var(--green)}
  .drawer-cta{width:100%;height:48px}
  .page-hero{padding:120px 0 60px}
  .hero-actions .btn{height:48px}
  .float-cta{display:none}
  .mobile-bar{
    display:flex;align-items:center;gap:10px;position:fixed;left:0;right:0;bottom:0;z-index:58;
    height:58px;padding:8px 16px calc(8px + env(safe-area-inset-bottom));
    background:rgba(245,244,239,.98);border-top:1px solid var(--line);box-shadow:0 -8px 24px -18px rgba(16,21,19,.3);
  }
  .mobile-bar .btn{flex:1;height:42px;padding:0 12px;font-size:14.5px}
  .stats{grid-template-columns:repeat(2,1fr);gap:28px;padding:36px 0}
  .timeline{padding-left:26px}
  .tl-item::before{left:-25px;width:12px;height:12px}
  .timeline::before{left:5px}
  .cta-band{padding:40px 26px;border-radius:14px}
}
@media (max-width:768px){
  body{font-size:16px}
  .sec{padding:56px 0}
  .sec-head{margin-bottom:32px}
  .obj-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:520px){
  :root{--gutter:20px}
  .brand-name{font-size:15px}
  .brand-sub{font-size:9px;letter-spacing:.1em}
  .brand-mark{width:32px;height:32px}
  .page-hero h1{font-size:27px}
  .hero-lead{font-size:16px}
  .page-hero{padding:104px 0 48px}
  .tl-card{padding:18px}
  .tl-item::before{top:22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .stats{grid-template-columns:1fr 1fr;gap:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category4 */
/* ============ 设计变量 ============ */
:root{
  --green:#0F3D33;
  --green-hi:#14523F;
  --lime:#C9F24D;
  --lime-soft:rgba(201,242,77,.16);
  --sand:#E8A33D;
  --paper:#F5F4EF;
  --paper-2:#FAF9F5;
  --card:#FFFFFF;
  --dark:#101513;
  --ink:#1A1F1D;
  --ink-2:#5C6660;
  --ink-3:#8B938D;
  --line:#E4E3DA;
  --line-soft:#DDDCD3;
  --red:#C2452D;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --r-badge:6px;
  --sh1:0 1px 2px rgba(16,21,19,.06);
  --sh2:0 10px 30px -12px rgba(16,21,19,.18);
  --sh3:0 18px 40px -16px rgba(16,21,19,.26);
  --ease:cubic-bezier(.2,.7,.2,1);
  --t:220ms;
  --maxw:1200px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.92;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;background:transparent;}
a:hover,a:focus{color:inherit;}
button{font-family:inherit;font-size:inherit;line-height:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
h1,h2,h3,h4{line-height:1.3;letter-spacing:-.01em;font-weight:700;}
time{font-variant-numeric:tabular-nums;}
:focus-visible{outline:3px solid rgba(15,61,51,.22);outline-offset:2px;border-radius:4px;}
::selection{background:var(--lime);color:var(--green);}

/* ============ 容器与栅格 ============ */
.grid-container{
  width:100%;
  max-width:var(--maxw);
  margin-left:auto;
  margin-right:auto;
  padding-left:32px;
  padding-right:32px;
}
.grid-x{margin-left:-12px;margin-right:-12px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;}
@media screen and (max-width:1024px){
  .grid-container{padding-left:24px;padding-right:24px;}
}
@media screen and (max-width:768px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .grid-x{margin-left:-8px;margin-right:-8px;}
  .grid-x>.cell{padding-left:8px;padding-right:8px;}
}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  height:76px;
  display:flex;
  align-items:center;
  color:#F5F4EF;
  background:rgba(12,18,16,.42);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.12);
  box-shadow:0 8px 24px -18px rgba(0,0,0,.5);
  transition:height var(--t) var(--ease),background var(--t) var(--ease),color var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.site-header.is-stuck{
  height:64px;
  background:rgba(245,244,239,.96);
  color:var(--ink);
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 24px -12px rgba(16,21,19,.24);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  width:100%;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{width:40px;height:40px;flex:none;transition:transform var(--t) var(--ease);}
.brand:hover .brand-mark{transform:rotate(-8deg);}
.brand-text{display:flex;flex-direction:column;line-height:1.16;}
.brand-name{font-size:16.5px;font-weight:700;letter-spacing:.02em;white-space:nowrap;}
.brand-sub{font-size:10px;font-weight:500;letter-spacing:.16em;opacity:.68;white-space:nowrap;}
.nav-main{display:flex;align-items:center;gap:2px;}
.nav-main>li>a{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:14.5px;
  font-weight:500;
  border-radius:8px;
  transition:color var(--t) var(--ease),background var(--t) var(--ease);
}
.nav-main>li>a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t) var(--ease);
}
.nav-main>li>a:hover::after,
.nav-main>li>a.is-active::after{transform:scaleX(1);}
.nav-main>li>a.is-active{font-weight:700;}
.more-menu{position:relative;}
.more-menu>a{display:inline-flex;align-items:center;gap:5px;}
.more-list{
  position:absolute;
  top:calc(100% + 10px);
  left:0;
  min-width:186px;
  padding:8px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:12px;
  box-shadow:var(--sh2);
  opacity:0;
  visibility:hidden;
  transform:translateY(-6px);
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease),visibility var(--t);
}
.more-menu:hover .more-list,
.more-menu:focus-within .more-list{opacity:1;visibility:visible;transform:translateY(0);}
.more-list a{
  display:block;
  padding:8px 10px;
  font-size:14px;
  color:var(--ink-2);
  border-radius:8px;
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.more-list a:hover{background:#F0EFE7;color:var(--ink);}
.nav-tools{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.icon-btn{
  width:38px;height:38px;
  display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.22);
  border-radius:10px;
  transition:background var(--t) var(--ease),border-color var(--t) var(--ease);
}
.is-stuck .icon-btn{border-color:var(--line);}
.icon-btn:hover{background:rgba(201,242,77,.2);}
.burger{
  display:none;
  position:relative;
  width:42px;height:42px;
  border:1px solid rgba(255,255,255,.22);
  border-radius:10px;
}
.is-stuck .burger{border-color:var(--line);}
.burger span,
.burger span::before,
.burger span::after{
  position:absolute;
  left:50%;
  width:18px;height:2px;
  margin-left:-9px;
  border-radius:2px;
  background:currentColor;
  transition:transform var(--t) var(--ease),opacity var(--t) var(--ease);
}
.burger span{top:50%;margin-top:-1px;}
.burger span::before{content:"";top:-6px;left:0;margin:0;}
.burger span::after{content:"";top:6px;left:0;margin:0;}
.mobile-cta{display:none;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 26px;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  font-size:15.5px;
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
  transition:transform var(--t) var(--ease),background var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease),color var(--t) var(--ease);
}
.btn:active{transform:scale(.98);}
.btn-lime{background:var(--lime);color:#0F3D33;}
.btn-lime:hover{background:#D6F76A;transform:translateY(-2px);box-shadow:var(--sh2);color:#0F3D33;}
.btn-primary{background:var(--green);color:#F5F4EF;}
.btn-primary:hover{background:var(--green-hi);transform:translateY(-2px);box-shadow:var(--sh2);color:#F5F4EF;}
.btn-ghost{background:transparent;border:1.5px solid rgba(245,244,239,.55);color:#F5F4EF;}
.btn-ghost:hover{background:rgba(245,244,239,.14);color:#F5F4EF;transform:translateY(-2px);}
.btn-ghost-dark{background:transparent;border:1.5px solid rgba(15,61,51,.42);color:var(--green);}
.btn-ghost-dark:hover{background:rgba(15,61,51,.08);border-color:var(--green);color:var(--green);transform:translateY(-2px);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--green);
  border-bottom:2px solid transparent;
  transition:border-color var(--t) var(--ease);
}
.text-link svg{transition:transform var(--t) var(--ease);}
.text-link:hover{border-bottom-color:var(--green);}
.text-link:hover svg{transform:translateX(6px);}
.nav-cta{height:40px;padding:0 20px;font-size:14.5px;}

/* ============ 通用区块 ============ */
main{display:block;}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.sec-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:32px;}
.sec-num{
  flex:none;
  padding-top:6px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--ink-3);
}
.sec-head h2{
  position:relative;
  padding-left:16px;
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.3;
}
.sec-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.26em;
  width:3px;height:18px;
  border-radius:2px;
  background:var(--lime);
}
.sec-desc{
  max-width:640px;
  margin-top:-16px;
  margin-bottom:32px;
  font-size:15.5px;
  color:var(--ink-2);
}
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 10px;
  border-radius:var(--r-badge);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
  background:var(--lime-soft);
  color:var(--green);
}
.badge-sand{background:rgba(232,163,61,.18);color:#8A5A12;}
.badge-dark{background:rgba(255,255,255,.14);color:#F5F4EF;}

/* ============ 特稿 Hero ============ */
.feature{position:relative;}
.feature-card{
  position:relative;
  width:100%;
  aspect-ratio:16 / 9;
  overflow:hidden;
  background:var(--green);
}
.feature-card>img{
  position:absolute;
  inset:0;
  width:100%;height:100%;
  object-fit:cover;
}
.feature-overlay{
  position:absolute;
  inset:0;
  display:flex;
  background:linear-gradient(180deg,rgba(15,61,51,.22) 0%,rgba(15,61,51,.58) 46%,rgba(9,26,22,.9) 100%);
  color:#F5F4EF;
}
.feature-inner{
  display:flex;
  flex-direction:column;
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:112px 32px 52px;
}
.crumbs{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:auto;
  font-size:13px;
  color:rgba(245,244,239,.84);
}
.crumbs a{color:rgba(245,244,239,.84);transition:color var(--t) var(--ease);}
.crumbs a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.crumbs .sep{opacity:.5;}
.crumbs .cur{color:rgba(245,244,239,.6);}
.feature-tag{
  align-self:flex-start;
  margin-bottom:16px;
  padding:6px 12px;
  border-radius:var(--r-badge);
  background:rgba(201,242,77,.9);
  color:#0F3D33;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.06em;
}
.feature h1{
  max-width:820px;
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.24;
  color:#fff;
  text-shadow:0 2px 18px rgba(0,0,0,.28);
}
.feature-title{
  max-width:760px;
  margin-top:18px;
  font-size:clamp(18px,1.7vw,23px);
  font-weight:600;
  line-height:1.5;
  color:rgba(245,244,239,.94);
}
.feature-lead{
  max-width:640px;
  margin-top:12px;
  font-size:16px;
  line-height:1.85;
  color:rgba(245,244,239,.78);
}
.feature-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
  font-size:13px;
  color:rgba(245,244,239,.72);
}
.feature-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(245,244,239,.5);}

/* ============ 栏目导读 ============ */
.intro{padding:72px 0 24px;background:var(--paper);}
.intro-lead p{font-size:17px;line-height:1.95;color:var(--ink-2);}
.intro-lead p+p{margin-top:14px;}
.intro-lead .lead-strong{color:var(--ink);font-weight:600;}
.quick-card{
  padding:24px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh1);
}
.quick-card h3{font-size:17px;margin-bottom:14px;}
.quick-list li{
  display:flex;
  gap:10px;
  padding:12px 0;
  font-size:14.5px;
  color:var(--ink-2);
  border-top:1px solid var(--line);
}
.quick-list li:first-child{border-top:0;padding-top:0;}
.quick-list li:last-child{padding-bottom:0;}
.quick-list strong{flex:none;color:var(--ink);font-weight:600;min-width:74px;}

/* ============ 双列紧凑列表 ============ */
.briefs{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.brief-grid{
  column-count:2;
  column-gap:48px;
}
.brief-item{
  break-inside:avoid;
  padding:18px 0;
  border-bottom:1px solid var(--line);
}
.brief-item h3{
  font-size:17px;
  line-height:1.5;
  font-weight:700;
}
.brief-item h3 a{
  background-image:linear-gradient(var(--green),var(--green));
  background-repeat:no-repeat;
  background-size:0 2px;
  background-position:0 100%;
  transition:background-size var(--t) var(--ease),color var(--t) var(--ease);
}
.brief-item h3 a:hover{color:var(--green);background-size:100% 2px;}
.brief-meta{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:8px;
  font-size:13px;
  color:var(--ink-3);
}
.brief-meta .tag-sm{
  padding:2px 8px;
  border-radius:var(--r-badge);
  background:rgba(15,61,51,.07);
  color:var(--green);
  font-size:12px;
  font-weight:600;
}
.brief-meta time{font-size:13px;}

/* ============ 内联 CTA 横幅 ============ */
.inline-cta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:24px 28px;
  background:rgba(201,242,77,.16);
  border:1px solid rgba(15,61,51,.12);
  border-radius:var(--r-card);
}
.inline-cta p{font-size:16px;font-weight:600;}
.inline-cta span{display:block;margin-top:4px;font-size:14px;font-weight:400;color:var(--ink-2);}

/* ============ FAQ ============ */
.faq{background:var(--paper);}
.faq-list{
  max-width:860px;
  margin:0 auto;
  background:transparent;
  border:0;
}
.faq-list .accordion-item{
  position:relative;
  margin-bottom:12px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  box-shadow:var(--sh1);
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.faq-list .accordion-item.is-active{
  border-color:rgba(15,61,51,.32);
  box-shadow:var(--sh2);
}
.faq-list .accordion-item.is-active::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--lime);
  border-radius:0 3px 3px 0;
}
.faq-list .accordion-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 22px;
  font-size:16.5px;
  font-weight:700;
  line-height:1.6;
  color:var(--ink);
  background:transparent;
  border:0;
  transition:color var(--t) var(--ease),background var(--t) var(--ease);
}
.faq-list .accordion-title::before{display:none;content:none;}
.faq-list .accordion-title:hover{background:rgba(15,61,51,.03);}
.faq-icon{
  position:relative;
  flex:none;
  width:26px;height:26px;
  border-radius:50%;
  background:rgba(201,242,77,.42);
  transition:transform 180ms var(--ease),background 180ms var(--ease);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--green);
  border-radius:2px;
}
.faq-icon::before{width:12px;height:2px;transform:translate(-50%,-50%);}
.faq-icon::after{width:2px;height:12px;transform:translate(-50%,-50%);}
.accordion-title[aria-expanded="true"] .faq-icon{
  transform:rotate(45deg);
  background:var(--lime);
}
.faq-list .accordion-content{
  display:none;
  padding:0 22px 20px;
  border:0;
  background:transparent;
  color:var(--ink-2);
  font-size:16px;
  line-height:1.85;
}
.faq-list .accordion-content p{margin:0;}

/* ============ 结尾 CTA ============ */
.final-cta{
  position:relative;
  background:var(--green);
  color:#F5F4EF;
  overflow:hidden;
}
.final-cta::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(245,244,239,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(245,244,239,.08) 1px,transparent 1px);
  background-size:24px 24px;
  opacity:.7;
  pointer-events:none;
}
.final-cta .grid-container{position:relative;z-index:1;}
.final-cta h2{
  max-width:640px;
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.32;
}
.final-cta p{
  max-width:620px;
  margin-top:14px;
  font-size:16px;
  color:rgba(245,244,239,.78);
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.cta-contact{
  display:flex;
  flex-wrap:wrap;
  gap:24px;
  margin-top:30px;
  padding-top:22px;
  border-top:1px solid rgba(245,244,239,.2);
  font-size:14px;
  color:rgba(245,244,239,.72);
}
.cta-contact strong{color:#F5F4EF;font-weight:600;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--green);
  color:rgba(245,244,239,.75);
  padding:64px 0 28px;
  border-top:1px solid rgba(201,242,77,.12);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.1fr 1fr;
  gap:32px;
}
.footer-brand .brand-name{
  display:block;
  margin-bottom:14px;
  font-size:18px;
  font-weight:700;
  color:#F5F4EF;
}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(245,244,239,.68);}
.footer-brand p+p{margin-top:10px;}
.footer-col h4{
  margin-bottom:14px;
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  color:#F5F4EF;
}
.footer-col a,
.footer-col li{
  display:block;
  padding:5px 0;
  font-size:14px;
  color:rgba(245,244,239,.68);
  transition:color var(--t) var(--ease),transform var(--t) var(--ease);
}
.footer-col a:hover{color:var(--lime);transform:translateX(3px);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(245,244,239,.14);
  font-size:13px;
  color:rgba(245,244,239,.55);
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;
  right:28px;
  bottom:28px;
  z-index:70;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-pill);
  background:var(--green);
  color:#F5F4EF;
  font-size:15px;
  font-weight:600;
  box-shadow:var(--sh3);
  opacity:0;
  visibility:hidden;
  transform:translateY(14px);
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease),visibility var(--t),background var(--t) var(--ease);
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--green-hi);color:#F5F4EF;}
.mobile-bar{display:none;}

/* ============ 响应式 ============ */
@media screen and (max-width:1200px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;row-gap:36px;}
}
@media screen and (max-width:1024px){
  .section{padding:72px 0;}
  .intro{padding:56px 0 16px;}
  .brief-grid{column-gap:32px;}
  .brand-sub{display:none;}
}
@media screen and (max-width:900px){
  .nav-main{
    position:fixed;
    top:76px;left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    max-height:calc(100vh - 76px);
    overflow-y:auto;
    padding:12px 20px 24px;
    background:#F5F4EF;
    border-bottom:1px solid var(--line);
    box-shadow:var(--sh2);
    transform:translateY(-130%);
    visibility:hidden;
    transition:transform 240ms var(--ease),visibility 240ms;
  }
  .site-header.is-stuck .nav-main{top:64px;}
  .nav-main.is-open{transform:translateY(0);visibility:visible;}
  .nav-main>li>a{
    display:block;
    padding:14px 8px;
    color:var(--ink);
    border-bottom:1px solid var(--line);
    border-radius:0;
  }
  .nav-main>li>a::after{display:none;}
  .nav-main>li>a.is-active{color:var(--green);}
  .more-list{
    position:static;
    opacity:1;
    visibility:visible;
    transform:none;
    box-shadow:none;
    border:0;
    padding:6px 0 10px 12px;
    min-width:0;
    background:transparent;
  }
  .more-list a{padding:8px 8px;color:var(--ink-2);}
  .mobile-cta{display:block;padding:16px 8px 0;}
  .mobile-cta .btn{width:100%;}
  .burger{display:block;}
  .icon-btn,.nav-cta{display:none;}
  .feature-card{aspect-ratio:auto;min-height:82vh;}
  .feature-inner{padding:100px 24px 44px;}
  .feature-lead{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media screen and (max-width:768px){
  body{padding-bottom:74px;}
  .section{padding:48px 0;}
  .brief-grid{column-count:1;}
  .inline-cta{flex-direction:column;align-items:flex-start;}
  .inline-cta .btn{width:100%;}
  .float-cta{display:none;}
  .mobile-bar{
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:75;
    display:flex;
    gap:10px;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:rgba(245,244,239,.97);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
    border-top:1px solid var(--line);
    box-shadow:0 -8px 24px -16px rgba(16,21,19,.35);
  }
  .mobile-bar .btn{flex:1;height:48px;padding:0 12px;font-size:15px;}
  .feature-inner{padding:96px 20px 36px;}
  .feature h1{font-size:clamp(26px,7vw,34px);}
  .feature-title{font-size:17px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .quick-card{padding:20px;}
}
@media screen and (max-width:520px){
  .brand-name{font-size:15px;}
  .feature h1{font-size:26px;}
  .sec-head{gap:10px;}
  .sec-head h2{font-size:22px;}
  .btn{height:48px;}
  .float-cta{right:16px;bottom:16px;}
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}