/* roulang page: index */
:root{
  --lime:#B7F03A;
  --lime-deep:#94CC22;
  --coral:#FF6A2B;
  --dark:#0E100D;
  --dark-panel:#171A15;
  --dark-line:rgba(255,255,255,.10);
  --paper:#F5F3ED;
  --card:#FFFFFF;
  --ink:#1B1E19;
  --ink-2:#5C6259;
  --line:#E3E0D8;
  --ok:#2E9E6B;
  --warn:#D98324;
  --err:#C9452F;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Barlow Condensed","DIN Alternate",ui-monospace,monospace;
  --shadow-card:0 1px 2px rgba(16,18,15,.05),0 10px 28px rgba(16,18,15,.06);
  --shadow-card-hover:0 2px 4px rgba(16,18,15,.06),0 18px 40px rgba(16,18,15,.10);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  background:var(--paper);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
a:hover{color:var(--lime-deep)}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
h1,h2,h3,h4{line-height:1.3;font-weight:700;letter-spacing:0}
ul,ol{padding-left:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:16px}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.rl-container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
@media (min-width:1280px){.rl-container{max-width:1280px}}
.num{font-family:var(--font-num);font-weight:600;letter-spacing:.01em}

/* ============ 命令栏导航 ============ */
.rl-header{
  position:sticky;top:0;z-index:80;
  background:var(--dark);
  border-bottom:1px solid transparent;
  transition:background-color .2s ease-out,border-color .2s ease-out;
}
.rl-header.is-scrolled{background:#0A0C08;border-bottom-color:var(--dark-line)}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px;max-width:1280px;margin:0 auto;padding:0 24px}
.rl-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.rl-logo-mark{
  width:32px;height:32px;border-radius:8px;background:var(--lime);
  display:flex;align-items:center;justify-content:center;
  color:#0E100D;font-size:15px;
  box-shadow:inset 0 0 0 2px rgba(14,16,13,.18);
}
.rl-logo-text{color:#fff;font-weight:700;font-size:17px;letter-spacing:0;white-space:nowrap}
.rl-logo-text em{font-style:normal;color:var(--lime)}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px;flex:1 1 auto}
.nav-link{
  position:relative;color:rgba(255,255,255,.76);font-size:15px;font-weight:500;
  padding:6px 0;white-space:nowrap;transition:color .16s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease-out;
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--lime)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-tools{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.cmd-search{position:relative;width:236px;transition:width .2s ease-out}
.cmd-search .fa-magnifying-glass{
  position:absolute;left:13px;top:50%;transform:translateY(-50%);
  color:rgba(255,255,255,.45);font-size:13px;pointer-events:none;
}
.cmd-search input{
  width:100%;height:40px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.06);border:1px solid var(--dark-line);
  color:#fff;padding:0 58px 0 34px;
}
.cmd-search input::placeholder{color:rgba(255,255,255,.42)}
.cmd-search input:focus{
  outline:none;border-color:var(--lime);
  box-shadow:0 0 0 2px rgba(183,240,58,.18);
  background:rgba(255,255,255,.09);
}
.cmd-search:focus-within{width:300px}
.kbd{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  font-family:var(--font-num);font-size:11px;letter-spacing:.04em;
  color:rgba(255,255,255,.55);border:1px solid var(--dark-line);
  border-radius:6px;padding:1px 6px;background:rgba(255,255,255,.05);
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-btn);
  border:1px solid var(--dark-line);background:rgba(255,255,255,.04);
  color:rgba(255,255,255,.8);display:flex;align-items:center;justify-content:center;
  transition:border-color .16s ease-out,color .16s ease-out,transform .16s ease-out;
}
.icon-btn:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.nav-burger{display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--dark-line);background:rgba(255,255,255,.04);color:#fff;align-items:center;justify-content:center;font-size:16px}

/* 移动抽屉 */
.rl-overlay{
  position:fixed;inset:0;background:rgba(6,8,5,.6);
  opacity:0;visibility:hidden;transition:opacity .24s ease-out;z-index:88;
}
.rl-overlay.is-open{opacity:1;visibility:visible}
.rl-drawer{
  position:fixed;top:0;right:0;height:100%;width:84%;max-width:352px;
  background:var(--dark-panel);border-left:1px solid var(--dark-line);
  transform:translateX(102%);transition:transform .26s ease-out;z-index:90;
  padding:22px;overflow-y:auto;
}
.rl-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--dark-line);background:transparent;color:#fff}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
.drawer-nav a{
  color:rgba(255,255,255,.82);padding:12px 10px;border-radius:10px;
  font-size:16px;border-left:2px solid transparent;transition:background-color .16s,border-color .16s,color .16s;
}
.drawer-nav a:hover{background:rgba(255,255,255,.05);color:#fff}
.drawer-nav a.is-active{color:var(--lime);border-left-color:var(--lime);background:rgba(183,240,58,.07)}
.drawer-search{margin-bottom:18px}
.drawer-search input{
  width:100%;height:44px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.06);border:1px solid var(--dark-line);
  color:#fff;padding:0 14px;
}
.drawer-search input::placeholder{color:rgba(255,255,255,.42)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;border:1px solid transparent;
  transition:background-color .16s ease-out,color .16s ease-out,border-color .16s ease-out,transform .16s ease-out,box-shadow .16s ease-out;
}
.btn-primary{background:var(--lime);color:#0E100D}
.btn-primary:hover{background:var(--lime-deep);color:#0E100D;transform:translateY(-2px);box-shadow:0 10px 24px rgba(183,240,58,.24)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:#fff}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--lime);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-card)}
.btn-sm{height:44px;font-size:15px;padding:0 18px}
.btn-block{width:100%}
.arrow-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--ink)}
.arrow-link i{transition:transform .16s ease-out;font-size:13px}
.arrow-link:hover{color:var(--lime-deep)}
.arrow-link:hover i{transform:translateX(4px)}

/* ============ 徽章标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;width:auto;
  font-size:12px;line-height:1;padding:8px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--ink-2);background:#fff;
}
.badge-coral{border-color:rgba(255,106,43,.42);color:#C24A14;background:rgba(255,106,43,.08)}
.badge-lime{background:var(--lime);border-color:var(--lime);color:#0E100D;font-weight:600}
.badge-dark{border-color:var(--dark-line);color:rgba(255,255,255,.78);background:rgba(255,255,255,.05)}
.tag{
  display:inline-block;font-size:12px;line-height:1;padding:7px 10px;border-radius:var(--r-pill);
  background:rgba(183,240,58,.14);color:#4C6A10;border:1px solid rgba(183,240,58,.4);
  margin:0 6px 8px 0;
}

/* ============ 首屏 ============ */
.hero{position:relative;background:var(--dark);color:#fff;overflow:hidden;padding:84px 0 88px}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(14,16,13,.72) 0%,rgba(14,16,13,.88) 62%,var(--dark) 100%),url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  opacity:.35;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(180deg,rgba(183,240,58,.5) 0 1px,transparent 1px 24px);
  opacity:.06;
}
.hero .rl-container{position:relative;z-index:2}
.hero-grid{display:flex;gap:40px;align-items:flex-start}
.hero-copy{flex:0 0 58%;max-width:58%}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--dark-line);background:rgba(255,255,255,.05);
  color:rgba(255,255,255,.82);font-size:13px;padding:7px 14px;border-radius:var(--r-pill);
  margin-bottom:22px;
}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(183,240,58,.16)}
.hero h1{font-size:48px;line-height:1.3;font-weight:700;color:#fff;margin-bottom:20px}
.hero h1 span{color:var(--lime)}
.hero-sub{font-size:17px;line-height:1.9;color:rgba(255,255,255,.72);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px}
.hero-trust span{
  font-size:13px;color:rgba(255,255,255,.72);
  border:1px solid var(--dark-line);border-radius:var(--r-pill);
  padding:6px 14px;background:rgba(255,255,255,.03);
}
.hero-visual{flex:1 1 auto;position:relative;padding-bottom:34px}
.hero-visual-card{
  position:relative;border-radius:18px;overflow:hidden;
  border:1px solid var(--dark-line);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.04);
}
.hero-visual-card img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:18px}
.hero-visual-card::after{
  content:"";position:absolute;inset:0;border-radius:18px;
  background:linear-gradient(180deg,rgba(14,16,13,0) 42%,rgba(14,16,13,.86) 100%);
}
.hero-visual-caption{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:3;
  color:#fff;font-size:14px;line-height:1.7;
}
.hero-visual-caption strong{color:var(--lime);font-size:15px;display:block;margin-bottom:2px}
.float-card{
  position:absolute;z-index:4;background:var(--dark-panel);
  border:1px solid var(--dark-line);border-radius:var(--r-card);
  padding:14px 16px;min-width:140px;
}
.float-card .fc-num{font-family:var(--font-num);font-size:30px;line-height:1;color:var(--lime)}
.float-card .fc-label{font-size:12px;color:rgba(255,255,255,.66);margin-top:6px;letter-spacing:0}
.float-card-a{left:-18px;top:20%}
.float-card-b{right:-14px;bottom:56px}

/* ============ 指标看板 ============ */
.metrics{position:relative;background:var(--dark);color:#fff;border-top:1px solid var(--dark-line);padding:52px 0 72px}
.metrics::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:4px 4px;opacity:.05;
}
.metrics .rl-container{position:relative;z-index:2}
.metrics-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
.metrics-head h2{font-size:22px;color:#fff}
.metrics-head p{font-size:14px;color:rgba(255,255,255,.6)}
.metric-card{
  background:var(--dark-panel);border:1px solid var(--dark-line);border-radius:var(--r-card);
  padding:24px;height:100%;
  transition:border-color .16s ease-out,transform .16s ease-out;
}
.metric-card:hover{border-color:rgba(183,240,58,.5);transform:translateY(-2px)}
.metric-value{display:flex;align-items:baseline;gap:6px}
.metric-value .num{font-size:48px;line-height:1;color:var(--lime)}
.metric-value .unit{font-size:15px;color:rgba(255,255,255,.72)}
.metric-label{font-size:14px;color:rgba(255,255,255,.82);margin-top:14px;font-weight:600}
.metric-note{font-size:12px;color:rgba(255,255,255,.52);margin-top:6px;line-height:1.7}
.metric-flag{
  display:inline-block;margin-top:14px;font-size:12px;line-height:1;
  padding:6px 10px;border-radius:var(--r-pill);
  border:1px solid rgba(255,106,43,.4);color:#FFB48D;background:rgba(255,106,43,.1);
}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-paper{background:var(--paper);border-top:1px solid var(--line)}
.section-dark{background:var(--dark);color:#fff}
.section-dark h2,.section-dark h3{color:#fff}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px}
.sec-head-main{max-width:720px}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-2);margin-bottom:14px;font-weight:600;
}
.sec-kicker::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--lime)}
.section-dark .sec-kicker{color:rgba(255,255,255,.62)}
.sec-title{font-size:32px;margin-bottom:12px}
.sec-desc{font-size:16px;color:var(--ink-2);line-height:1.9}
.section-dark .sec-desc{color:rgba(255,255,255,.66)}

/* ============ 服务矩阵 ============ */
.svc-grid{display:flex;flex-wrap:wrap;margin:0 -12px}
.svc-col{padding:0 12px;margin-bottom:24px}
.svc-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;height:100%;display:flex;flex-direction:column;
  box-shadow:var(--shadow-card);
  transition:transform .16s ease-out,border-color .16s ease-out,box-shadow .16s ease-out;
}
.svc-card:hover{transform:translateY(-2px);border-color:var(--lime);box-shadow:var(--shadow-card-hover)}
.svc-num{font-family:var(--font-num);font-size:20px;color:var(--coral);font-weight:700;letter-spacing:.04em;margin-bottom:14px}
.svc-card h3{font-size:22px;margin-bottom:12px}
.svc-card p{font-size:15px;line-height:1.9;color:var(--ink-2);margin-bottom:18px}
.svc-tags{margin-bottom:20px}
.svc-card .arrow-link{margin-top:auto}
.svc-card.is-wide{background:#12150F;border-color:rgba(255,255,255,.12);box-shadow:4px 4px 0 var(--lime)}
.svc-card.is-wide h3{color:#fff}
.svc-card.is-wide p{color:rgba(255,255,255,.68)}
.svc-card.is-wide .svc-num{color:var(--lime)}
.svc-card.is-wide .arrow-link{color:#fff}
.svc-card.is-wide .arrow-link:hover{color:var(--lime)}
.svc-card.is-wide img{aspect-ratio:16/9;object-fit:cover;margin-bottom:20px;border:1px solid rgba(255,255,255,.12)}
.svc-card.is-wide .tag{background:rgba(183,240,58,.12);border-color:rgba(183,240,58,.34);color:#D6F79A}
.svc-quiet{background:#FBF9F4}

/* ============ 结果对比 ============ */
.compare-wrap{background:#12150F;border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:36px;color:#fff}
.compare-cols{display:flex;align-items:stretch;gap:24px}
.compare-col{flex:1 1 0;border-radius:var(--r-card);padding:26px;border:1px solid var(--dark-line)}
.compare-col.before{background:rgba(255,255,255,.03);border-color:rgba(255,255,255,.12)}
.compare-col.after{background:rgba(183,240,58,.06);border-color:rgba(183,240,58,.5)}
.compare-col h3{font-size:19px;margin-bottom:6px}
.compare-col .cc-sub{font-size:13px;color:rgba(255,255,255,.55);margin-bottom:18px}
.compare-col ul li{
  position:relative;padding-left:26px;font-size:15px;line-height:1.85;
  color:rgba(255,255,255,.76);margin-bottom:12px;
}
.compare-col ul li i{position:absolute;left:0;top:5px;font-size:13px}
.compare-col.before ul li i{color:rgba(255,255,255,.4)}
.compare-col.after ul li i{color:var(--lime)}
.compare-col.after ul li{color:#fff}
.compare-arrow{
  display:flex;align-items:center;justify-content:center;
  flex:0 0 auto;color:var(--lime);font-size:20px;
  align-self:center;
}
.bars{margin-top:32px;border-top:1px solid rgba(255,255,255,.1);padding-top:26px}
.bar-row{margin-bottom:20px}
.bar-head{display:flex;justify-content:space-between;font-size:14px;color:rgba(255,255,255,.76);margin-bottom:8px}
.bar-track{height:10px;border-radius:var(--r-pill);background:rgba(255,255,255,.09);overflow:hidden}
.bar-fill{height:100%;border-radius:var(--r-pill)}
.bar-fill.green{background:var(--lime)}
.bar-fill.grey{background:rgba(255,255,255,.22)}
.bar-note{font-size:12px;color:rgba(255,255,255,.44);margin-top:6px}

/* ============ 节拍 / 排行 ============ */
.board-grid{display:flex;flex-wrap:wrap;margin:0 -12px}
.board-col{padding:0 12px;margin-bottom:24px}
.board-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;height:100%;box-shadow:var(--shadow-card);
}
.board-card h3{font-size:20px;margin-bottom:6px}
.board-card .board-sub{font-size:13px;color:var(--ink-2);margin-bottom:20px}
.timeline-item{
  display:flex;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);align-items:flex-start;
}
.timeline-item:last-child{border-bottom:0}
.timeline-item .t-day{
  flex:0 0 62px;font-family:var(--font-num);font-size:15px;color:var(--coral);font-weight:600;
}
.timeline-item .t-body strong{display:block;font-size:15px;margin-bottom:2px}
.timeline-item .t-body span{font-size:13px;color:var(--ink-2);line-height:1.7}
.rank-item{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px solid var(--line)}
.rank-item:last-child{border-bottom:0}
.rank-no{
  flex:0 0 30px;height:30px;border-radius:8px;background:rgba(255,106,43,.1);
  border:1px solid rgba(255,106,43,.32);color:#C24A14;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:14px;font-weight:700;
}
.rank-body{flex:1 1 auto;min-width:0}
.rank-body strong{display:block;font-size:15px;margin-bottom:5px}
.rank-meter{height:6px;border-radius:var(--r-pill);background:#EDEAE2;overflow:hidden}
.rank-meter i{display:block;height:100%;background:var(--lime);border-radius:var(--r-pill)}
.rank-note{font-size:12px;color:var(--ink-2);margin-top:14px}

/* ============ 资讯列表 ============ */
.news-cell{margin-bottom:24px}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  box-shadow:var(--shadow-card);
  transition:transform .16s ease-out,border-color .16s ease-out,box-shadow .16s ease-out;
}
.news-card:hover{transform:translateY(-2px);border-color:var(--lime);box-shadow:var(--shadow-card-hover)}
.news-thumb{display:block;position:relative;background:#E9E6DE}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1 1 auto}
.news-body .badge{margin-bottom:14px;align-self:flex-start}
.news-title{font-size:18px;line-height:1.5;margin-bottom:10px}
.news-title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-excerpt{
  font-size:14px;color:var(--ink-2);line-height:1.85;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line);padding-top:14px;
}
.news-meta .date{font-family:var(--font-num);font-size:13px;color:var(--ink-2);letter-spacing:.02em}
.news-meta .arrow-link{font-size:14px}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:#FBF9F4;
  padding:64px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state i{font-size:30px;color:var(--coral)}
.empty-state p{font-size:16px;color:var(--ink-2)}

/* ============ FAQ ============ */
.faq-wrap{display:flex;gap:40px;align-items:flex-start}
.faq-index{flex:0 0 300px}
.faq-index h3{font-size:20px;margin-bottom:14px}
.faq-index p{font-size:14px;color:var(--ink-2);line-height:1.9;margin-bottom:20px}
.faq-index ul li{
  font-size:14px;color:var(--ink-2);padding:10px 0;border-bottom:1px solid var(--line);
  display:flex;gap:10px;align-items:flex-start;
}
.faq-index ul li span{font-family:var(--font-num);color:var(--coral);font-weight:600}
.faq-list{flex:1 1 auto;border-top:1px solid var(--line)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-head{
  width:100%;background:transparent;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 4px;font-size:18px;font-weight:600;color:var(--ink);
}
.acc-head:hover{color:var(--lime-deep)}
.acc-icon{
  flex:0 0 32px;height:32px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--ink-2);font-size:13px;transition:transform .2s ease-out,background-color .2s,border-color .2s,color .2s;
}
.acc-item.is-open .acc-icon{transform:rotate(180deg);background:var(--lime);border-color:var(--lime);color:#0E100D}
.acc-body{max-height:0;overflow:hidden;transition:max-height .2s ease-out}
.acc-body p{font-size:17px;line-height:1.9;color:var(--ink-2);padding:0 4px 24px}

/* ============ 转化表单 ============ */
.cta-section{background:var(--dark);color:#fff;border-top:1px solid var(--dark-line);position:relative}
.cta-section::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.5) 0 1px,transparent 1px 24px);
  opacity:.04;
}
.cta-section .rl-container{position:relative;z-index:2}
.cta-grid{display:flex;flex-wrap:wrap;gap:40px;align-items:flex-start}
.cta-copy{flex:1 1 300px}
.cta-copy h2{font-size:32px;margin-bottom:16px}
.cta-copy p{font-size:16px;color:rgba(255,255,255,.7);line-height:1.9;margin-bottom:24px}
.cta-points li{
  position:relative;padding-left:26px;font-size:15px;color:rgba(255,255,255,.8);
  margin-bottom:14px;line-height:1.85;
}
.cta-points li i{position:absolute;left:0;top:5px;color:var(--lime);font-size:13px}
.cta-contact{
  margin-top:26px;border-top:1px solid var(--dark-line);padding-top:20px;
  font-size:14px;color:rgba(255,255,255,.66);line-height:2;
}
.cta-contact strong{color:var(--lime);font-family:var(--font-num);letter-spacing:.02em}
.form-card{
  flex:1 1 460px;background:var(--card);border-radius:18px;padding:32px;
  box-shadow:0 20px 50px rgba(0,0,0,.28);color:var(--ink);
}
.form-card h3{font-size:20px;margin-bottom:6px}
.form-card .form-sub{font-size:13px;color:var(--ink-2);margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:8px;font-weight:500}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#FCFBF8;color:var(--ink);padding:0 14px;height:48px;
  transition:border-color .16s ease-out,box-shadow .16s ease-out,background-color .16s;
}
.field textarea{height:104px;padding:12px 14px;line-height:1.8;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--lime);background:#fff;
  box-shadow:0 0 0 2px rgba(183,240,58,.2);
}
.field.has-error input{border-color:var(--err)}
.field-error{
  display:none;align-items:center;gap:6px;font-size:13px;color:var(--err);margin-top:8px;
}
.field.has-error .field-error{display:flex}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-top:8px}
.form-note{font-size:12px;color:var(--ink-2);line-height:1.8;max-width:360px}
.form-msg{
  display:none;margin-top:16px;font-size:14px;padding:12px 14px;border-radius:var(--r-btn);
  background:rgba(46,158,107,.1);border:1px solid rgba(46,158,107,.35);color:#1E6E4A;
}
.form-msg.is-visible{display:block}

/* ============ 页脚 ============ */
.rl-footer{
  background:var(--dark);color:rgba(255,255,255,.68);position:relative;
  border-top:1px solid var(--dark-line);padding:72px 0 0;
}
.rl-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:4px 4px;opacity:.05;
}
.rl-footer .rl-container{position:relative;z-index:2}
.footer-grid{display:flex;flex-wrap:wrap;margin:0 -16px}
.footer-col{padding:0 16px;margin-bottom:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .rl-logo-mark{width:28px;height:28px;font-size:13px}
.footer-brand strong{color:#fff;font-size:17px}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6)}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66);transition:color .16s ease-out,padding-left .16s ease-out}
.footer-links a:hover{color:var(--lime);padding-left:4px}
.footer-bottom{
  border-top:1px solid var(--dark-line);margin-top:24px;padding:22px 0 28px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.5);line-height:1.9}
.footer-friend{display:flex;flex-wrap:wrap;gap:16px}
.footer-friend a{font-size:13px;color:rgba(255,255,255,.5)}
.footer-friend a:hover{color:var(--lime)}

/* ============ 断点 ============ */
@media (max-width:1279px){
  .cmd-search{width:200px}
  .cmd-search:focus-within{width:240px}
}
@media (max-width:1023px){
  .nav-links,.cmd-search,.nav-tools .icon-btn{display:none}
  .nav-burger{display:flex}
  .nav-inner{gap:16px}
  .section{padding:72px 0}
  .hero{padding:64px 0 68px}
  .hero-grid{flex-direction:column;gap:40px}
  .hero-copy{flex:0 0 100%;max-width:100%}
  .hero h1{font-size:36px}
  .hero-visual{width:100%;padding-bottom:24px}
  .float-card-a{left:8px}
  .float-card-b{right:8px}
  .svc-col{flex:0 0 50%;max-width:50%}
  .board-col{flex:0 0 100%;max-width:100%}
  .faq-wrap{flex-direction:column;gap:24px}
  .faq-index{flex:0 0 auto;width:100%}
  .rt{display:block}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:56px 0}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .sec-title{font-size:24px}
  .compare-wrap{padding:22px}
  .compare-cols{flex-direction:column;gap:16px}
  .compare-arrow{transform:rotate(90deg);padding:4px 0}
  .svc-col{flex:0 0 100%;max-width:100%}
  .metric-col{flex:0 0 50%;max-width:50%}
  .footer-col{flex:0 0 100%;max-width:100%}
  .form-card{padding:24px}
  .form-foot .btn{width:100%}
  .form-note{max-width:100%}
  .acc-head{font-size:17px}
  .acc-body p{font-size:16px}
}
@media (max-width:520px){
  .rl-container{padding:0 16px}
  .nav-inner{padding:0 16px}
  .hero h1{font-size:28px}
  .metric-value .num{font-size:38px}
  .float-card{min-width:120px;padding:12px 13px}
  .float-card .fc-num{font-size:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --lime:#B7F03A;
  --lime-d:#94CC22;
  --lime-ink:#4E7A0F;
  --coral:#FF6A2B;
  --d-bg:#0E100D;
  --d-panel:#171A15;
  --d-line:rgba(255,255,255,.10);
  --d-text:#EDEFE8;
  --d-muted:#9BA396;
  --paper:#F5F3ED;
  --card:#FFFFFF;
  --ink:#1B1E19;
  --ink-2:#5C6259;
  --line:#E3E0D8;
  --ok:#2E9E6B;
  --warn:#D98324;
  --err:#C9452F;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --sh-card:0 1px 2px rgba(16,18,15,.05),0 10px 28px rgba(16,18,15,.06);
  --sh-hover:0 2px 4px rgba(16,18,15,.06),0 16px 36px rgba(16,18,15,.10);
  --max:1200px;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --mono:"Barlow Condensed","DIN Alternate",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  overflow-x:hidden;
  font-family:var(--font);
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--lime);color:#0E100D}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.rl-container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 命令栏导航 ---------- */
.rl-header{
  position:sticky;top:0;z-index:50;
  background:rgba(14,16,13,.96);
  border-bottom:1px solid transparent;
  transition:background .18s ease-out,border-color .18s ease-out;
}
.rl-header.is-scrolled{background:#0B0D0A;border-bottom-color:var(--d-line)}
.nav-inner{
  max-width:var(--max);margin:0 auto;padding:0 20px;height:68px;
  display:flex;align-items:center;gap:24px;
}
.rl-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:#fff;font-weight:600;font-size:18px}
.rl-logo-mark{
  flex:0 0 34px;width:34px;height:34px;border-radius:9px;
  background:var(--lime);color:#0E100D;
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;
}
.rl-logo-text{color:#fff;letter-spacing:0}
.rl-logo-text em{font-style:normal;color:var(--lime)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;padding:22px 12px;font-size:15px;font-weight:500;
  color:rgba(237,239,232,.72);transition:color .16s ease-out;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:14px;height:2px;
  background:var(--lime);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease-out;
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 12px;
  background:rgba(255,255,255,.06);border:1px solid var(--d-line);border-radius:var(--r-btn);
  color:var(--d-muted);
  transition:border-color .16s ease-out,box-shadow .16s ease-out,background .16s ease-out;
}
.cmd-search i{font-size:13px;color:rgba(237,239,232,.55)}
.cmd-search input{
  width:168px;height:100%;border:0;background:transparent;color:#fff;font-size:14px;
  outline:none;transition:width .18s ease-out;
}
.cmd-search input::placeholder{color:rgba(237,239,232,.4)}
.cmd-search:focus-within{border-color:var(--lime);background:rgba(255,255,255,.09);box-shadow:0 0 0 3px rgba(183,240,58,.16)}
.cmd-search:focus-within input{width:220px}
.kbd{
  font-family:var(--mono);font-size:11px;letter-spacing:.02em;
  padding:3px 6px;border-radius:6px;background:rgba(255,255,255,.10);
  color:rgba(237,239,232,.6);white-space:nowrap;
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-btn);
  border:1px solid var(--d-line);background:rgba(255,255,255,.04);
  color:rgba(237,239,232,.8);display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .16s ease-out,color .16s ease-out,transform .16s ease-out;
}
.icon-btn:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:background .16s ease-out,color .16s ease-out,border-color .16s ease-out,transform .16s ease-out,box-shadow .16s ease-out;
}
.btn-primary{background:var(--lime);color:#0E100D}
.btn-primary:hover{background:var(--lime-d);transform:translateY(-2px);box-shadow:0 10px 24px rgba(148,204,34,.28)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:transparent;color:var(--d-text);border-color:rgba(255,255,255,.22)}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.nav-burger{
  display:none;width:40px;height:40px;border-radius:var(--r-btn);
  border:1px solid var(--d-line);background:rgba(255,255,255,.04);
  color:var(--d-text);font-size:16px;cursor:pointer;
}
body.menu-open::after{
  content:"";position:fixed;inset:0;background:rgba(6,8,5,.62);z-index:40;
}

/* ---------- 文章头部 ---------- */
.article-masthead{background:var(--paper);border-bottom:1px solid var(--line);padding-bottom:38px}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:24px 0 6px;font-size:14px;color:var(--ink-2)}
.breadcrumb a{color:var(--ink-2);transition:color .16s ease-out}
.breadcrumb a:hover{color:var(--lime-ink);text-decoration:underline;text-decoration-thickness:2px;text-decoration-color:var(--lime);text-underline-offset:3px}
.breadcrumb .sep{color:#B6B3A9}
.breadcrumb .current{color:var(--ink);font-weight:600}
.masthead-inner{max-width:780px;margin:0 auto}
.article-title{
  font-size:48px;line-height:1.3;color:var(--ink);
  margin:18px 0 18px;letter-spacing:0;word-break:break-word;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;font-size:14px;color:var(--ink-2)}
.meta-item{display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.meta-item i{color:var(--lime-ink);font-size:13px}
.meta-sep{color:#C3BFB4}
.masthead-rule{display:block;width:64px;height:4px;border-radius:2px;background:var(--lime);margin-top:26px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1.4;white-space:nowrap;
}
.badge-coral{color:var(--coral);border:1px solid rgba(255,106,43,.45);background:rgba(255,106,43,.08)}

/* ---------- 正文区 ---------- */
.article-section{background:var(--paper);padding:36px 0 96px}
.article-layout{display:flex;gap:40px;align-items:flex-start;justify-content:center}
.toc-col{flex:0 0 200px;width:200px;position:sticky;top:100px}
.toc-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:18px 14px;box-shadow:var(--sh-card)}
.toc-title{font-size:12px;font-weight:700;color:var(--ink-2);letter-spacing:.06em;margin:0 0 10px;padding-left:12px}
.toc-list a{
  display:block;position:relative;padding:8px 8px 8px 12px;font-size:14px;line-height:1.6;
  color:var(--ink-2);border-radius:8px;transition:color .16s ease-out,background .16s ease-out;
}
.toc-list a:hover{color:var(--ink);background:#F3F1E9}
.toc-list li.is-current a{color:var(--ink);font-weight:600;background:#F3F1E9}
.toc-list li.is-current a::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:2px;background:var(--lime);
}
.toc-empty{font-size:13px;color:#A9A69C;padding:6px 12px;line-height:1.7}

.article-body{
  flex:0 1 760px;max-width:760px;width:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:44px 48px 36px;
  font-size:17px;line-height:1.9;color:var(--ink);
}
.article-body h2{position:relative;font-size:32px;line-height:1.3;margin:48px 0 20px;padding-left:16px;color:var(--ink)}
.article-body h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--lime)}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:22px;line-height:1.35;margin:32px 0 14px;color:var(--ink)}
.article-body h4{font-size:18px;line-height:1.4;margin:24px 0 12px;color:var(--ink)}
.article-body p{margin:0 0 20px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:14px;line-height:1.85}
.article-body li::marker{color:var(--lime-ink)}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;border-left:3px solid var(--coral);
  background:#FBF6EE;border-radius:0 var(--r-img) var(--r-img) 0;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px 0 10px;width:100%}
.article-body figure{margin:24px 0}
.article-body figcaption{text-align:center;font-size:14px;color:var(--ink-2);margin-top:12px;line-height:1.7}
.article-body a{color:var(--lime-ink);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;transition:color .16s ease-out}
.article-body a:hover{color:var(--coral);text-decoration-thickness:2px}
.article-body strong{font-weight:700}
.article-body code{
  font-family:var(--mono);font-size:15px;background:#F1EFE8;color:#3D4A22;
  padding:2px 6px;border-radius:6px;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;line-height:1.7}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}
.article-body th{background:#F2F0E9;font-weight:600;color:var(--ink)}
.article-body tbody tr:nth-child(even){background:#FAF9F5}

.article-foot{
  margin-top:36px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.article-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;padding:6px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1.4;
  color:var(--lime-ink);background:rgba(183,240,58,.18);border:1px solid rgba(148,204,34,.35);
}
.article-share{display:flex;align-items:center;gap:10px}
.share-btn{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 14px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  color:var(--ink-2);font-size:13px;font-weight:500;cursor:pointer;
  transition:border-color .16s ease-out,color .16s ease-out,transform .16s ease-out;
}
.share-btn:hover{border-color:var(--lime);color:var(--ink);transform:translateY(-2px)}
.share-btn:active{transform:translateY(1px)}

.empty-state{
  min-height:420px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:40px 16px;
}
.empty-icon{
  width:64px;height:64px;border-radius:18px;background:#F0EEE7;color:#8C8A80;
  display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:18px;
}
.empty-title{font-size:22px;font-weight:700;color:var(--ink);margin:0 0 8px}
.empty-desc{font-size:15px;color:var(--ink-2);line-height:1.8;max-width:420px;margin:0 0 22px}
.empty-state .btn{background:var(--lime);color:#0E100D}

/* ---------- 文末转化 ---------- */
.article-tail{max-width:1000px;margin:40px auto 0}
.tail-card{
  background:var(--d-bg);border:1px solid var(--d-line);border-radius:var(--r-card);
  padding:34px 38px;display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:4px 4px;
}
.tail-text{flex:1 1 380px;min-width:260px}
.tail-card h3{color:#fff;font-size:22px;line-height:1.4;margin:0 0 10px}
.tail-card p{color:var(--d-muted);font-size:15px;line-height:1.8;margin:0}
.tail-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.rl-footer{
  background:var(--d-bg);color:var(--d-muted);margin-top:0;
  border-top:1px solid var(--d-line);
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:4px 4px;
}
.footer-grid{display:flex;gap:32px;flex-wrap:wrap;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{color:#fff;font-size:17px;font-weight:600}
.footer-col p{font-size:14px;line-height:1.85;color:var(--d-muted);max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer-links li{margin-bottom:12px}
.footer-links a{font-size:14px;color:rgba(237,239,232,.66);transition:color .16s ease-out}
.footer-links a:hover{color:var(--lime);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(237,239,232,.5);line-height:1.7}
.footer-friend{display:flex;flex-wrap:wrap;gap:18px}
.footer-friend a{font-size:13px;color:rgba(237,239,232,.62);transition:color .16s ease-out}
.footer-friend a:hover{color:var(--lime)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .toc-col{display:none}
  .article-body{flex:1 1 760px}
}
@media (max-width:1023px){
  .nav-burger{display:inline-flex;align-items:center;justify-content:center}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:min(340px,88vw);
    background:var(--d-panel);border-left:1px solid var(--d-line);
    flex-direction:column;align-items:stretch;gap:0;margin-left:0;
    padding:126px 22px 32px;overflow-y:auto;z-index:70;
    transform:translateX(100%);transition:transform .28s ease-out;
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-link{padding:15px 4px;font-size:16px;border-bottom:1px solid var(--d-line)}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--lime)}
  .cmd-search{
    position:fixed;top:66px;right:24px;width:min(292px,calc(88vw - 48px));
    z-index:71;background:rgba(255,255,255,.07);
    transform:translateX(calc(100% + 48px));transition:transform .28s ease-out;
  }
  .cmd-search.is-open{transform:translateX(0)}
  .cmd-search input{width:140px}
  .cmd-search:focus-within input{width:160px}
  .icon-btn{display:none}
  .article-title{font-size:38px}
  .article-body{padding:36px 30px 30px}
}
@media (max-width:767px){
  .cmd-search{top:64px}
  .article-masthead{padding-bottom:28px}
  .article-title{font-size:32px}
  .article-section{padding:26px 0 64px}
  .article-body{padding:28px 22px 24px;font-size:16px;border-radius:12px}
  .article-body h2{font-size:24px;margin:38px 0 16px}
  .article-body h3{font-size:19px;margin:28px 0 12px}
  .article-body h4{font-size:17px}
  .article-body p{margin-bottom:16px}
  .article-body li{margin-bottom:12px}
  .tail-card{padding:26px 22px}
  .tail-card h3{font-size:19px}
  .tail-actions{width:100%}
  .tail-actions .btn{flex:1 1 100%}
  .footer-grid{gap:28px;padding:48px 0 32px}
  .footer-col{flex:1 1 100% !important;max-width:100% !important}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .article-title{font-size:30px}
  .masthead-rule{margin-top:20px}
  .article-meta{font-size:13px}
  .rl-logo-text{font-size:16px}
  .btn-sm{padding:0 14px}
  .footer-bottom p{font-size:12px}
}

/* roulang page: category1 */
:root{
  --lime:#B7F03A;
  --lime-d:#94CC22;
  --coral:#FF6A2B;
  --dark:#0E100D;
  --dark-panel:#171A15;
  --dark-line:rgba(255,255,255,.10);
  --paper:#F5F3ED;
  --card:#FFFFFF;
  --ink:#1B1E19;
  --ink-2:#5C6259;
  --line:#E3E0D8;
  --ok:#2E9E6B;
  --warn:#D98324;
  --err:#C9452F;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --sh-card:0 1px 2px rgba(16,18,15,.05),0 10px 28px rgba(16,18,15,.06);
  --sh-hover:0 2px 4px rgba(16,18,15,.06),0 16px 34px rgba(16,18,15,.10);
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --mono:"Barlow Condensed","DIN Alternate",ui-monospace,SFMono-Regular,monospace;
  --maxw:1200px;
  --tr:160ms ease-out;
}
*,*::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;
  font-weight:400;
  color:var(--ink);
  background:var(--paper);
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--tr)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{line-height:1.3;font-weight:700;letter-spacing:0;margin:0}
p{margin:0 0 1.15em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.rl-container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ============ 命令栏导航 ============ */
.rl-header{
  position:sticky;top:0;z-index:60;
  background:var(--dark);
  border-bottom:1px solid transparent;
  transition:background var(--tr),border-color var(--tr);
}
.rl-header.is-scrolled{background:#090B08;border-bottom-color:var(--dark-line)}
.nav-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 24px;
  height:68px;display:flex;align-items:center;gap:22px;
}
.rl-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.rl-logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--lime);color:var(--dark);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
}
.rl-logo-text{color:#fff;font-size:16px;font-weight:700;letter-spacing:0}
.rl-logo-text em{color:var(--lime);font-style:normal}
.nav-links{display:flex;align-items:center;gap:20px;flex-wrap:nowrap}
.nav-link{
  position:relative;color:rgba(255,255,255,.76);font-size:15px;font-weight:500;
  padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform var(--tr);
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.cmd-search{
  position:relative;display:flex;align-items:center;gap:8px;
  width:236px;height:40px;padding:0 10px 0 12px;
  background:rgba(255,255,255,.06);border:1px solid var(--dark-line);border-radius:var(--r-btn);
  transition:width var(--tr),border-color var(--tr),background var(--tr);
}
.cmd-search i{color:rgba(255,255,255,.5);font-size:13px}
.cmd-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;
  color:#fff;font-size:14px;height:100%;
}
.cmd-search input::placeholder{color:rgba(255,255,255,.42)}
.cmd-search .kbd{
  font-family:var(--mono);font-size:11px;letter-spacing:.04em;
  color:rgba(255,255,255,.55);border:1px solid var(--dark-line);border-radius:6px;
  padding:2px 6px;white-space:nowrap;
}
.cmd-search:focus-within{width:300px;border-color:var(--lime);background:rgba(183,240,58,.06)}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--dark-line);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.8);
  transition:border-color var(--tr),color var(--tr),transform var(--tr);
}
.icon-btn:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.nav-burger{
  display:none;width:40px;height:40px;border-radius:var(--r-btn);
  border:1px solid var(--dark-line);background:transparent;color:#fff;cursor:pointer;
}
.nav-burger:hover{border-color:var(--lime);color:var(--lime)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-weight:600;font-size:15px;cursor:pointer;white-space:nowrap;
  transition:background var(--tr),color var(--tr),border-color var(--tr),transform var(--tr),box-shadow var(--tr);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--lime);color:var(--dark)}
.btn-primary:hover{background:var(--lime-d);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--dark-line);color:#fff}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-outline-ink{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-outline-ink:hover{border-color:var(--lime-d);background:#fff;transform:translateY(-2px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--ink)}
.link-arrow i{transition:transform var(--tr);font-size:12px}
.link-arrow:hover{color:var(--lime-d)}
.link-arrow:hover i{transform:translateX(4px)}

/* 抽屉 */
.rl-mask{
  position:fixed;inset:0;background:rgba(6,8,5,.6);opacity:0;visibility:hidden;
  transition:opacity var(--tr),visibility var(--tr);z-index:70;
}
.rl-mask.is-open{opacity:1;visibility:visible}
.rl-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:80;
  background:var(--dark-panel);border-left:1px solid var(--dark-line);
  transform:translateX(100%);transition:transform 220ms ease-out;
  padding:22px;overflow-y:auto;
}
.rl-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{background:transparent;border:1px solid var(--dark-line);color:#fff;width:36px;height:36px;border-radius:10px;cursor:pointer}
.drawer-close:hover{border-color:var(--lime);color:var(--lime)}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;background:rgba(255,255,255,.06);border:1px solid var(--dark-line);border-radius:var(--r-btn);margin-bottom:18px}
.drawer-search input{flex:1;min-width:0;background:transparent;border:0;outline:none;color:#fff}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:22px}
.drawer-nav a{color:rgba(255,255,255,.8);padding:12px 10px;border-radius:10px;font-weight:500}
.drawer-nav a:hover{background:rgba(255,255,255,.06);color:var(--lime)}
.drawer-nav a.is-active{color:var(--dark);background:var(--lime)}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--paper);border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);padding:14px 0;flex-wrap:wrap}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--lime-d)}
.crumb .sep{opacity:.55}
.crumb .cur{color:var(--ink);font-weight:700}

/* ============ Hero ============ */
.hero{position:relative;background:var(--dark);color:#fff;overflow:hidden;padding:68px 0 0}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  opacity:.3;
}
.hero-scan{
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 5px);
  opacity:.5;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:56px;align-items:center;padding-bottom:56px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--lime);border:1px solid rgba(183,240,58,.45);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:20px;background:rgba(183,240,58,.08);
}
.hero h1{font-size:48px;margin-bottom:18px;color:#fff}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.76);max-width:600px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px}
.fact-chip{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.82);
  border:1px solid var(--dark-line);border-radius:var(--r-pill);padding:7px 14px;background:rgba(255,255,255,.03);
}
.fact-chip i{color:var(--lime);font-size:12px}
.hero-visual{position:relative}
.hero-shot{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--dark-line);
  aspect-ratio:4/5;background:#101210;
}
.hero-shot img{width:100%;height:100%;object-fit:cover}
.float-card{
  position:absolute;background:var(--dark-panel);border:1px solid var(--dark-line);
  border-radius:12px;padding:14px 16px;min-width:150px;
  box-shadow:0 0 0 1px rgba(183,240,58,.06) inset;
}
.float-card .num{font-family:var(--mono);font-size:28px;color:var(--lime);line-height:1.1;display:block}
.float-card .lbl{font-size:12px;color:rgba(255,255,255,.66);display:block;margin-top:2px}
.float-a{left:-18px;bottom:56px}
.float-b{right:-14px;top:44px}
.hero-anchors{
  position:relative;z-index:2;border-top:1px solid var(--dark-line);
  padding:18px 0 22px;display:flex;flex-wrap:wrap;gap:10px;
}
.anchor-pill{
  font-size:14px;color:rgba(255,255,255,.78);border:1px solid var(--dark-line);
  border-radius:var(--r-pill);padding:8px 16px;transition:all var(--tr);
}
.anchor-pill:hover{color:var(--dark);background:var(--lime);border-color:var(--lime)}

/* ============ 主体 ============ */
.guide-main{background:var(--paper);padding:72px 0 96px}
.guide-layout{display:grid;grid-template-columns:288px minmax(0,1fr);gap:40px;align-items:start}

.idx-card{
  position:sticky;top:92px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-card);
}
.idx-card h3{font-size:16px;margin-bottom:6px}
.idx-card .idx-note{font-size:13px;color:var(--ink-2);line-height:1.7;margin-bottom:14px}
.idx-list{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--line);padding-top:10px}
.idx-link{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
  font-size:15px;color:var(--ink-2);border-left:3px solid transparent;transition:all var(--tr);
}
.idx-link .no{font-family:var(--mono);font-size:13px;color:var(--coral)}
.idx-link:hover{background:#F7F5EF;color:var(--ink)}
.idx-link.is-current{background:#F3F9E4;color:var(--ink);font-weight:600;border-left-color:var(--lime)}
.idx-cta{margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}
.idx-cta .btn{width:100%}
.idx-contact{font-size:13px;color:var(--ink-2);line-height:1.8;margin-top:12px}
.idx-contact strong{color:var(--ink);font-family:var(--mono);font-size:14px}

.guide-body{min-width:0}
.g-section{padding-bottom:52px;margin-bottom:52px;border-bottom:1px solid var(--line);scroll-margin-top:96px}
.g-section:last-of-type{border-bottom:0;margin-bottom:0;padding-bottom:0}
.g-section h2{
  position:relative;font-size:32px;padding-left:18px;margin-bottom:10px;
}
.g-section h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:.86em;background:var(--lime);border-radius:2px;
}
.g-kicker{font-size:14px;color:var(--coral);font-weight:600;letter-spacing:.02em;margin-bottom:8px}
.g-section h3{font-size:22px;margin:32px 0 12px}
.g-section p{max-width:760px;color:var(--ink)}
.g-note{
  background:#FBF9F3;border-left:3px solid var(--coral);border-radius:0 var(--r-img) var(--r-img) 0;
  padding:18px 22px;color:var(--ink-2);font-size:16px;max-width:760px;margin:22px 0;
}
.check-list{max-width:760px;margin:18px 0 6px}
.check-list li{
  display:flex;gap:12px;line-height:1.85;padding:8px 0;border-bottom:1px solid var(--line);
}
.check-list li:last-child{border-bottom:0}
.check-list i{color:var(--lime-d);font-size:14px;margin-top:8px;flex:0 0 auto}
.check-list b{font-weight:600}

/* 图文卡 2×2 */
.gcard-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:26px}
.gcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);display:flex;flex-direction:column;
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.gcard:hover{transform:translateY(-2px);border-color:var(--lime-d);box-shadow:var(--sh-hover)}
.gcard-media{position:relative;aspect-ratio:16/9;background:#E9E6DE;overflow:hidden}
.gcard-media img{width:100%;height:100%;object-fit:cover}
.gcard-media::after{content:"";position:absolute;inset:0;border-bottom:1px solid rgba(16,18,15,.06)}
.gcard-no{
  position:absolute;left:14px;top:14px;font-family:var(--mono);font-size:13px;
  background:var(--coral);color:#fff;border-radius:var(--r-pill);padding:2px 10px;z-index:2;
}
.gcard-body{padding:22px;display:flex;flex-direction:column;flex:1}
.gcard-body h4{font-size:18px;margin-bottom:10px}
.gcard-body p{font-size:15px;color:var(--ink-2);line-height:1.8;margin-bottom:16px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;margin-bottom:16px}
.tag{
  font-size:12px;padding:6px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--ink-2);background:#FBFAF6;
}
.tag-coral{border-color:rgba(255,106,43,.4);color:#C24A16;background:rgba(255,106,43,.07)}
.tag-lime{border-color:rgba(148,204,34,.5);color:#4E6E10;background:rgba(183,240,58,.14)}

/* 配比条 */
.bar-block{margin-top:22px;max-width:820px;border-top:1px solid var(--line)}
.bar-row{
  display:grid;grid-template-columns:180px minmax(0,1fr) 84px;gap:16px;align-items:center;
  padding:15px 0;border-bottom:1px solid var(--line);
}
.bar-row .bar-name{font-size:15px;font-weight:600;color:var(--ink)}
.bar-track{height:10px;background:#E9E6DE;border-radius:var(--r-pill);overflow:hidden}
.bar-fill{height:100%;background:var(--lime);border-radius:var(--r-pill)}
.bar-fill.alt{background:var(--coral)}
.bar-fill.gray{background:#C9C6BC}
.bar-val{font-family:var(--mono);font-size:16px;color:var(--ink);text-align:right}

/* 双栏小卡 */
.mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:22px;max-width:820px}
.mini-card{background:#FBFAF6;border:1px solid var(--line);border-radius:var(--r-card);padding:22px}
.mini-card h4{font-size:17px;margin-bottom:8px}
.mini-card p{font-size:15px;color:var(--ink-2);margin-bottom:0}

/* FAQ */
.faq-wrap{margin-top:20px;max-width:860px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;
  gap:16px;padding:20px 0;font-size:18px;font-weight:600;line-height:1.6;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  position:relative;width:22px;height:22px;flex:0 0 22px;margin-top:6px;
  border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;
  transition:transform .2s ease-out,background .2s ease-out,border-color .2s ease-out;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink);transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:2px}
.faq-icon::after{width:2px;height:10px;transition:opacity .2s ease-out}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--lime);border-color:var(--lime)}
.faq-item[open] .faq-icon::after{opacity:0}
.faq-body{padding:0 40px 22px 0;font-size:17px;line-height:1.9;color:var(--ink-2);max-width:760px}

/* CTA 色带 */
.cta-band{
  background:var(--lime);color:var(--dark);border-radius:var(--r-card);padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:4px 4px 0 rgba(14,16,13,.9);
}
.cta-band h3{font-size:26px;margin-bottom:8px;color:var(--dark)}
.cta-band p{margin:0;font-size:15px;color:rgba(14,16,13,.78);max-width:620px}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn-ink{background:var(--dark);color:#fff;border-color:var(--dark)}
.btn-ink:hover{background:#000;transform:translateY(-2px)}
.btn-ink-ghost{background:transparent;border-color:rgba(14,16,13,.35);color:var(--dark)}
.btn-ink-ghost:hover{background:rgba(14,16,13,.08);border-color:var(--dark);transform:translateY(-2px)}
.contact-strip{
  margin-top:22px;display:flex;flex-wrap:wrap;gap:14px 32px;align-items:center;
  font-size:15px;color:var(--ink-2);border-top:1px solid var(--line);padding-top:20px;
}
.contact-strip strong{color:var(--ink);font-family:var(--mono);letter-spacing:.02em}

/* ============ 页脚 ============ */
.rl-footer{
  background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;position:relative;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:4px 4px;
}
.footer-grid{display:flex;flex-wrap:wrap;gap:32px;padding-bottom:40px;border-bottom:1px solid var(--dark-line)}
.footer-col{min-width:0}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{color:#fff;font-size:16px}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin:0}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66);border-bottom:1px solid transparent;transition:all var(--tr)}
.footer-links a:hover{color:var(--lime);border-bottom-color:var(--lime)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  padding:22px 0 28px;font-size:13px;
}
.footer-bottom p{margin:0;color:rgba(255,255,255,.5)}
.footer-friend{display:flex;flex-wrap:wrap;gap:18px}
.footer-friend a{font-size:13px;color:rgba(255,255,255,.6)}
.footer-friend a:hover{color:var(--lime)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero h1{font-size:42px}
  .guide-layout{grid-template-columns:250px minmax(0,1fr);gap:32px}
  .cmd-search{width:200px}
}
@media (max-width:1099px){
  .nav-links{display:none}
  .cmd-search,.icon-btn{display:none}
  .nav-burger{display:inline-flex;align-items:center;justify-content:center}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-shot{aspect-ratio:16/9}
  .float-a{left:16px;bottom:16px}
  .float-b{right:16px;top:16px}
}
@media (max-width:1023px){
  .guide-layout{grid-template-columns:1fr}
  .idx-card{position:static}
  .mini-grid{grid-template-columns:1fr}
  .cta-band{padding:28px 24px}
}
@media (max-width:767px){
  body{font-size:16px}
  .rl-container{padding:0 16px}
  .nav-inner{padding:0 16px}
  .hero{padding-top:48px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .g-section h2{font-size:24px}
  .g-section h3{font-size:19px}
  .gcard-grid{grid-template-columns:1fr}
  .bar-row{grid-template-columns:110px minmax(0,1fr) 62px;gap:10px}
  .bar-row .bar-name{font-size:14px}
  .float-card{padding:10px 12px;min-width:0}
  .float-card .num{font-size:22px}
  .footer-col{flex:0 0 100%!important;max-width:100%!important}
  .cta-band{box-shadow:3px 3px 0 rgba(14,16,13,.9)}
  .cta-band h3{font-size:21px}
  .faq-item summary{font-size:17px}
}
@media (min-width:768px) and (max-width:1023px){
  .footer-col{flex:0 0 46%!important;max-width:46%!important}
}

/* roulang page: category2 */
:root{
  --pg:#B7F03A;
  --pg-dark:#94CC22;
  --coral:#FF6A2B;
  --dark:#0E100D;
  --dark-panel:#171A15;
  --dark-line:rgba(255,255,255,.10);
  --paper:#F5F3ED;
  --card:#FFFFFF;
  --ink:#1B1E19;
  --ink-2:#5C6259;
  --line:#E3E0D8;
  --ok:#2E9E6B;
  --warn:#D98324;
  --err:#C9452F;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --sh:0 1px 2px rgba(16,18,15,.05), 0 10px 28px rgba(16,18,15,.06);
  --t:160ms ease-out;
  --mono:"Barlow Condensed","DIN Alternate",ui-monospace,SFMono-Regular,monospace;
  --sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);font-size:17px;line-height:1.9;color:var(--ink);background:var(--paper);font-weight:400;overflow-x:hidden}
h1,h2,h3,h4,h5,h6{margin:0;font-family:var(--sans);font-weight:700;line-height:1.3;letter-spacing:0;color:inherit}
h1{font-size:48px}
h2{font-size:32px}
h3{font-size:22px}
h4{font-size:18px}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
a{color:inherit;text-decoration:none;transition:color var(--t)}
a:hover{color:var(--pg-dark)}
img{display:block;max-width:100%;height:auto}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
strong{font-weight:700}
:focus-visible{outline:2px solid var(--pg);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.rl-container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* 头部命令栏 */
.rl-header{position:sticky;top:0;z-index:60;background:rgba(14,16,13,.97);border-bottom:1px solid transparent;transition:background var(--t),border-color var(--t)}
.rl-header.is-scrolled{background:rgba(11,13,10,.94);border-bottom-color:var(--dark-line)}
.nav-inner{max-width:1280px;margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;gap:20px}
.rl-logo{display:flex;align-items:center;gap:10px;color:#fff;flex:0 0 auto}
.rl-logo:hover{color:#fff}
.rl-logo-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--pg),var(--pg-dark));color:var(--dark);display:grid;place-items:center;font-size:16px}
.rl-logo-text{font-size:17px;font-weight:700;letter-spacing:0}
.rl-logo-text em{font-style:normal;color:var(--pg);margin:0 1px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:22px;flex:1 1 auto}
.nav-link{position:relative;font-size:15px;font-weight:500;color:rgba(255,255,255,.72);padding:9px 11px;border-radius:8px;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:11px;right:11px;bottom:3px;height:2px;background:var(--pg);transform:scaleX(0);transform-origin:left;transition:transform var(--t)}
.nav-link:hover{color:#fff}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff;font-weight:600}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.cmd-search{position:relative;display:flex;align-items:center;gap:8px;width:236px;height:40px;padding:0 10px;background:rgba(255,255,255,.06);border:1px solid var(--dark-line);border-radius:var(--r-btn);color:rgba(255,255,255,.55);transition:width 200ms ease-out,border-color var(--t),background var(--t)}
.cmd-search:focus-within{width:300px;border-color:var(--pg);background:rgba(255,255,255,.09)}
.cmd-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;height:100%;color:#fff;font-size:14px;outline:none}
.cmd-search input::placeholder{color:rgba(255,255,255,.42)}
.cmd-search .kbd{font-family:var(--mono);font-size:11px;letter-spacing:.04em;padding:3px 6px;border:1px solid var(--dark-line);border-radius:6px;color:rgba(255,255,255,.5);white-space:nowrap}
.icon-btn{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--dark-line);border-radius:var(--r-btn);color:rgba(255,255,255,.75);font-size:15px;transition:color var(--t),border-color var(--t),transform var(--t)}
.icon-btn:hover{color:var(--pg);border-color:var(--pg);transform:translateY(-2px)}
.nav-burger{display:none;width:42px;height:42px;border:1px solid var(--dark-line);border-radius:var(--r-btn);color:#fff;font-size:17px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--pg);color:#0E100D;font-weight:600}
.btn-primary:hover{background:var(--pg-dark);color:#0E100D;transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--dark-line);color:#fff}
.btn-ghost:hover{border-color:var(--pg);color:#fff;transform:translateY(-2px)}
.btn-ink{background:#0E100D;color:#fff}
.btn-ink:hover{background:#20241d;color:#fff;transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--ink);border-bottom:2px solid transparent}
.btn-text i{transition:transform var(--t)}
.btn-text:hover{color:var(--pg-dark);border-bottom-color:var(--pg)}
.btn-text:hover i{transform:translateX(4px)}

/* 徽章与标签 */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1;padding:8px 12px;border-radius:var(--r-pill);font-weight:600;white-space:nowrap}
.badge-line{border:1px solid var(--coral);color:var(--coral)}
.badge-solid{background:var(--pg);color:#0E100D}
.tag{display:inline-flex;align-items:center;font-size:12px;padding:6px 10px;border-radius:var(--r-pill);border:1px solid var(--line);color:var(--ink-2);background:#fff}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* 面包屑 */
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.58);margin-bottom:30px}
.crumb a{color:rgba(255,255,255,.58)}
.crumb a:hover{color:var(--pg)}
.crumb .sep{color:rgba(255,255,255,.28)}
.crumb .current{color:#fff;font-weight:600}

/* Hero */
.hero{position:relative;background:var(--dark);color:#fff;padding:56px 0 88px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.22}
.hero::after{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 24px);pointer-events:none}
.hero-inner{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.22fr) minmax(0,.78fr);gap:56px;align-items:center}
.hero-copy h1{color:#fff;margin:20px 0 18px}
.hero-sub{font-size:17px;line-height:1.9;color:rgba(255,255,255,.74);max-width:620px;margin-bottom:0}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px;font-size:14px;color:rgba(255,255,255,.66)}
.hero-trust li{display:flex;align-items:center;gap:8px}
.hero-trust i{color:var(--pg);font-size:12px}
.hero-side{position:relative}
.hero-photo{margin:0;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--dark-line);aspect-ratio:3/4}
.hero-photo img{width:100%;height:100%;object-fit:cover}
.float-card{position:absolute;display:flex;align-items:baseline;gap:8px;background:var(--dark-panel);border:1px solid var(--dark-line);border-radius:var(--r-img);padding:14px 18px;box-shadow:0 16px 40px rgba(0,0,0,.35)}
.float-card strong{font-family:var(--mono);font-size:34px;line-height:1;color:var(--pg);font-weight:700}
.float-card span{font-size:13px;color:rgba(255,255,255,.66)}
.fc-1{left:-28px;bottom:52px}
.fc-2{right:-18px;top:38px}
.anchor-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:52px;padding-top:26px;border-top:1px solid var(--dark-line)}
.anchor-nav a{font-size:14px;color:rgba(255,255,255,.72);padding:8px 14px;border:1px solid var(--dark-line);border-radius:var(--r-pill)}
.anchor-nav a:hover{border-color:var(--pg);color:var(--pg)}

/* 板块 */
.section{padding:96px 0}
.section-paper{background:var(--paper)}
.section-white{background:#fff;border-top:1px solid var(--line)}
.sec-head{max-width:820px;margin-bottom:48px}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:14px}
.sec-kicker::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--pg)}
.sec-head h2{margin-bottom:14px}
.sec-head p{color:var(--ink-2);margin-bottom:0;max-width:720px}

/* 时间轴 */
.timeline{position:relative;max-width:1100px}
.timeline::before{content:"";position:absolute;left:31px;top:22px;bottom:22px;width:1px;background:var(--line)}
.tl-item{position:relative;display:grid;grid-template-columns:64px minmax(0,1fr) 280px;gap:28px;align-items:start;padding-bottom:34px}
.tl-item + .tl-item{border-top:1px dashed var(--line);padding-top:34px;margin-top:6px}
.tl-num{width:44px;height:44px;border-radius:var(--r-pill);background:var(--pg);color:#0E100D;font-family:var(--mono);font-size:19px;font-weight:700;display:grid;place-items:center;box-shadow:0 0 0 7px var(--paper);z-index:1}
.tl-body h3{margin-bottom:12px}
.tl-body p{color:var(--ink-2);font-size:17px;margin-bottom:10px}
.tl-body--wide{grid-column:2 / span 2}
.tl-media{margin:0;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/9;background:#fff}
.tl-media img{width:100%;height:100%;object-fit:cover}

/* 配套支持 */
.support-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.support-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh);transition:transform var(--t),border-color var(--t),box-shadow var(--t)}
.support-card:hover{transform:translateY(-2px);border-color:var(--pg-dark);box-shadow:0 14px 34px rgba(16,18,15,.09)}
.support-card h3{font-size:19px;margin-bottom:10px}
.support-card p{color:var(--ink-2);font-size:16px;margin-bottom:0}
.support-card .sc-no{font-family:var(--mono);font-size:14px;color:var(--coral);font-weight:700;display:block;margin-bottom:12px}
.support-card.is-wide{grid-column:span 2;display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:0;padding:0;overflow:hidden;align-items:stretch}
.support-card.is-wide .sc-text{padding:28px}
.support-card.is-wide .sc-media{height:100%;min-height:210px}
.support-card.is-wide .sc-media img{width:100%;height:100%;object-fit:cover}

/* 推进节奏 */
.pace-band{background:var(--dark);border:1px solid var(--dark-line);border-radius:16px;padding:44px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;color:#fff}
.pace-band h2{color:#fff;font-size:24px;grid-column:1 / -1;margin-bottom:4px}
.pace-item{position:relative;padding-left:18px}
.pace-item::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;border-radius:2px;background:var(--pg)}
.pace-item h3{font-size:17px;margin-bottom:8px;color:#fff}
.pace-item p{color:rgba(255,255,255,.7);font-size:16px;margin-bottom:0}

/* FAQ */
.faq-list{max-width:880px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 0;font-size:18px;font-weight:600;text-align:left;color:var(--ink)}
.faq-q:hover{color:var(--pg-dark)}
.faq-q i{flex:0 0 auto;font-size:14px;color:var(--ink-2);transition:transform 200ms ease-out,color var(--t)}
.faq-item.is-open .faq-q i{transform:rotate(135deg);color:var(--pg-dark)}
.faq-a{display:none;padding:0 0 24px;color:var(--ink-2);font-size:17px;line-height:1.9;max-width:760px}
.faq-item.is-open .faq-a{display:block}

/* CTA 色带 */
.cta-band{background:var(--pg);color:#0E100D;border-radius:18px;padding:48px;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:36px;align-items:center}
.cta-band h2{color:#0E100D;margin-bottom:14px;font-size:30px}
.cta-band p{color:rgba(14,16,13,.78);font-size:17px;margin-bottom:0;max-width:640px}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-actions .btn{width:100%}
.cta-note{font-size:13px;color:rgba(14,16,13,.66);margin-top:16px;grid-column:1 / -1}

/* 页脚 */
.rl-footer{position:relative;background:var(--dark);color:rgba(255,255,255,.7);padding:72px 0 0;margin-top:0}
.rl-footer::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.55) 1px,transparent 1px);background-size:4px 4px;opacity:.05;pointer-events:none}
.rl-footer .rl-container{position:relative;z-index:1}
.footer-grid{display:flex;flex-wrap:wrap;gap:32px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff}
.footer-brand strong{font-size:17px}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);margin-bottom:0}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66);border-bottom:1px solid transparent;padding-bottom:2px}
.footer-links a:hover{color:var(--pg);border-bottom-color:var(--pg)}
.footer-bottom{border-top:1px solid var(--dark-line);padding:22px 0 26px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.5);margin:0}
.footer-friend{display:flex;flex-wrap:wrap;gap:16px}
.footer-friend a{font-size:13px;color:rgba(255,255,255,.55)}
.footer-friend a:hover{color:var(--pg)}

/* 移动抽屉 */
.nav-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;pointer-events:none;transition:opacity 200ms ease-out;z-index:80}
.nav-overlay.is-open{opacity:1;pointer-events:auto}
.nav-drawer{position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;background:var(--dark-panel);border-left:1px solid var(--dark-line);transform:translateX(102%);transition:transform 240ms ease-out;z-index:90;padding:22px;display:flex;flex-direction:column;gap:20px;overflow-y:auto}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:40px;height:40px;border:1px solid var(--dark-line);border-radius:var(--r-btn);color:#fff;font-size:16px}
.drawer-links{display:flex;flex-direction:column;gap:4px}
.drawer-links a{color:rgba(255,255,255,.78);font-size:16px;padding:12px 4px;border-bottom:1px solid var(--dark-line)}
.drawer-links a.is-active{color:var(--pg);font-weight:600}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;background:rgba(255,255,255,.06);border:1px solid var(--dark-line);border-radius:var(--r-btn);color:rgba(255,255,255,.6)}
.drawer-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;color:#fff;outline:none;font-size:15px}

@media (max-width:1279px){
  h1{font-size:42px}
  .hero-grid{gap:40px}
}
@media (max-width:1023px){
  .nav-links,.cmd-search,.icon-btn{display:none}
  .nav-burger{display:grid;place-items:center}
  h1{font-size:34px}
  h2{font-size:26px}
  .section{padding:72px 0}
  .hero{padding:40px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-side{max-width:460px}
  .fc-1{left:-12px;bottom:24px}
  .fc-2{right:-8px;top:20px}
  .tl-item{grid-template-columns:56px minmax(0,1fr);gap:20px}
  .tl-media{grid-column:2;margin-top:16px;max-width:520px}
  .tl-body--wide{grid-column:2}
  .timeline::before{left:27px}
  .support-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .support-card.is-wide{grid-column:span 2;grid-template-columns:1fr 220px}
  .pace-band{grid-template-columns:1fr;gap:24px;padding:32px}
  .cta-band{grid-template-columns:1fr;padding:36px}
  .cta-actions{flex-direction:row;flex-wrap:wrap}
  .cta-actions .btn{width:auto;flex:1 1 200px}
}
@media (max-width:767px){
  body{font-size:16px}
  h1{font-size:30px}
  h2{font-size:24px}
  h3{font-size:19px}
  h4{font-size:17px}
  .rl-container{padding:0 18px}
  .nav-inner{padding:0 18px}
  .section{padding:56px 0}
  .hero{padding:32px 0 52px}
  .hero-sub,.tl-body p,.support-card p,.faq-a,.pace-item p,.cta-band p{font-size:16px}
  .para-gap{margin-bottom:16px}
  .hero-cta .btn{flex:1 1 100%}
  .hero-side{max-width:100%}
  .float-card{display:none}
  .anchor-nav{margin-top:36px;padding-top:20px}
  .sec-head{margin-bottom:32px}
  .support-grid{grid-template-columns:1fr}
  .support-card.is-wide{grid-column:span 1;grid-template-columns:1fr}
  .support-card.is-wide .sc-media{min-height:180px;order:-1}
  .tl-item{grid-template-columns:44px minmax(0,1fr);gap:16px;padding-bottom:26px}
  .tl-item + .tl-item{padding-top:26px}
  .tl-num{width:36px;height:36px;font-size:16px;box-shadow:0 0 0 5px var(--paper)}
  .timeline::before{left:21px}
  .cta-band{padding:28px;border-radius:14px}
  .pace-band{padding:26px;border-radius:14px}
  .footer-grid{gap:28px}
  .footer-col{flex:1 1 100% !important;max-width:100% !important}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .rl-logo-text{font-size:15px}
  .btn{height:46px;padding:0 18px;font-size:15px}
  .cta-actions .btn{flex:1 1 100%;width:100%}
}

/* roulang page: category4 */
/* ============ 设计变量 ============ */
:root{
  --pg-lime:#B7F03A;
  --pg-lime-dark:#94CC22;
  --pg-coral:#FF6A2B;
  --dark:#0E100D;
  --dark-panel:#171A15;
  --dark-line:rgba(255,255,255,.10);
  --dark-soft:rgba(255,255,255,.66);
  --paper:#F5F3ED;
  --card:#FFFFFF;
  --ink:#1B1E19;
  --muted:#5C6259;
  --line:#E3E0D8;
  --ok:#2E9E6B;
  --warn:#D98324;
  --err:#C9452F;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --sh-card:0 1px 2px rgba(16,18,15,.05),0 10px 28px rgba(16,18,15,.06);
  --sh-card-hover:0 2px 4px rgba(16,18,15,.06),0 16px 38px rgba(16,18,15,.10);
  --sh-hard:4px 4px 0 var(--pg-lime);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:64px; --sp-7:96px;
  --fs-h1:48px; --fs-h2:32px; --fs-h3:22px; --fs-h4:18px;
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
}

/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:var(--font-sans);
  font-size:17px;line-height:1.9;font-weight:400;
  color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .16s ease-out}
h1,h2,h3,h4,h5{margin:0;line-height:1.3;font-weight:700;letter-spacing:0}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--pg-lime);outline-offset:2px}
a:focus-visible,button:focus-visible{outline:2px solid var(--pg-lime);outline-offset:2px}
::selection{background:var(--pg-lime);color:var(--dark)}

/* 覆盖 Foundation 默认味道 */
body,button,input,select,textarea{font-family:var(--font-sans)}
a{color:inherit}
a:hover{color:var(--pg-lime-dark)}
button,.button{border-radius:var(--r-btn)}

/* ============ 容器 ============ */
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.rl-container{max-width:1280px}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ============ 命令栏导航 ============ */
.rl-header{
  position:sticky;top:0;z-index:200;
  background:rgba(14,16,13,.96);
  border-bottom:1px solid transparent;
  transition:background .2s ease-out,border-color .2s ease-out;
}
.rl-header.is-scrolled{
  background:rgba(11,13,10,.98);
  border-bottom-color:var(--dark-line);
}
.nav-inner{
  max-width:1280px;margin:0 auto;padding:0 24px;
  height:68px;display:flex;align-items:center;gap:28px;
}
.rl-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.rl-logo-mark{
  width:34px;height:34px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--pg-lime),var(--pg-lime-dark));
  color:#0E100D;font-size:16px;
  box-shadow:0 0 0 1px rgba(183,240,58,.35),0 0 18px rgba(183,240,58,.18);
}
.rl-logo-text{
  font-size:18px;font-weight:700;color:#fff;letter-spacing:0;white-space:nowrap;
}
.rl-logo-text em{font-style:normal;color:var(--pg-lime);margin:0 1px}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;min-width:0}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 12px;font-size:15px;font-weight:500;color:rgba(255,255,255,.78);
  white-space:nowrap;border-radius:var(--r-btn);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--pg-lime);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease-out;
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:auto}
.cmd-search{
  position:relative;display:flex;align-items:center;gap:8px;
  width:240px;height:40px;padding:0 10px 0 12px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--dark-line);border-radius:var(--r-btn);
  transition:width .2s ease-out,border-color .2s ease-out,background .2s ease-out;
}
.cmd-search i{color:rgba(255,255,255,.5);font-size:13px}
.cmd-search input{
  flex:1 1 auto;min-width:0;height:100%;
  background:transparent;border:0;outline:none;
  color:#fff;font-size:14px;
}
.cmd-search input::placeholder{color:rgba(255,255,255,.42)}
.cmd-search:focus-within{width:300px;border-color:var(--pg-lime);background:rgba(183,240,58,.06)}
.cmd-search .kbd{
  flex:0 0 auto;font-size:11px;line-height:1;padding:4px 6px;border-radius:6px;
  color:rgba(255,255,255,.55);background:rgba(255,255,255,.08);
  border:1px solid var(--dark-line);font-family:var(--font-num);letter-spacing:.5px;
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-btn);
  display:inline-flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.78);border:1px solid var(--dark-line);
  transition:color .16s ease-out,border-color .16s ease-out,transform .16s ease-out;
}
.icon-btn:hover{color:var(--pg-lime);border-color:rgba(183,240,58,.5);transform:translateY(-1px)}
.nav-burger{
  display:none;width:42px;height:42px;border-radius:var(--r-btn);
  align-items:center;justify-content:center;
  color:#fff;border:1px solid var(--dark-line);
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease-out,background .16s ease-out,border-color .16s ease-out,box-shadow .16s ease-out,color .16s ease-out;
}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--pg-lime);color:#0E100D;border-color:var(--pg-lime)}
.btn-primary:hover{background:var(--pg-lime-dark);border-color:var(--pg-lime-dark);color:#0E100D;transform:translateY(-2px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:#fff;border-color:var(--dark-line)}
.btn-ghost:hover{color:var(--pg-lime);border-color:rgba(183,240,58,.55);transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-outline-light:hover{border-color:var(--pg-lime-dark);background:#fff;transform:translateY(-2px)}
.btn-arrow i{transition:transform .16s ease-out}
.btn-arrow:hover i{transform:translateX(4px)}

.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--ink);
  border-bottom:2px solid transparent;
  transition:border-color .16s ease-out,color .16s ease-out;
}
.text-link:hover{border-bottom-color:var(--pg-lime);color:var(--ink)}
.text-link i{transition:transform .16s ease-out}
.text-link:hover i{transform:translateX(4px)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:8px 12px;border-radius:var(--r-pill);
  font-weight:600;letter-spacing:.2px;white-space:nowrap;
}
.badge-coral{border:1px solid rgba(255,106,43,.55);color:#FFB08A;background:rgba(255,106,43,.10)}
.badge-lime{background:var(--pg-lime);color:#0E100D}
.badge-outline-light{border:1px solid var(--dark-line);color:var(--dark-soft);background:rgba(255,255,255,.04)}
.badge-outline{border:1px solid var(--line);color:var(--muted);background:#fff}
.tag{
  display:inline-block;font-size:12px;line-height:1;padding:7px 10px;border-radius:var(--r-pill);
  color:var(--muted);background:#F1EFE8;border:1px solid var(--line);
}

/* ============ 面包屑 ============ */
.crumb{font-size:14px;color:var(--dark-soft);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb a{color:var(--dark-soft)}
.crumb a:hover{color:var(--pg-lime)}
.crumb .sep{opacity:.45}
.crumb .current{color:#fff;font-weight:700}

/* ============ Hero（暗区） ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--dark);color:#fff;
  padding:56px 0 88px;
}
.cat-hero__bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.24;
}
.cat-hero__scan{
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0,rgba(255,255,255,.05) 1px,transparent 1px,transparent 24px);
  opacity:.55;pointer-events:none;
}
.cat-hero__dots{
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(183,240,58,.5) 1px,transparent 1px);
  background-size:4px 4px;opacity:.05;pointer-events:none;
}
.cat-hero__inner{position:relative;z-index:2}
.cat-hero__grid{
  display:grid;grid-template-columns:1.35fr .85fr;gap:40px;align-items:end;
  margin-top:32px;
}
.cat-hero h1{
  font-size:var(--fs-h1);font-weight:700;color:#fff;margin:18px 0 18px;
  max-width:16em;
}
.cat-hero h1 .hl{color:var(--pg-lime)}
.cat-hero__lead{
  font-size:17px;color:rgba(255,255,255,.76);max-width:34em;line-height:1.9;
}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-note{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  font-size:13px;color:rgba(255,255,255,.55);margin-top:18px;
}
.hero-note .dot{width:4px;height:4px;background:var(--pg-coral);display:inline-block}

/* Hero 右侧卡片 */
.hero-card{
  background:var(--dark-panel);
  border:1px solid var(--dark-line);border-radius:var(--r-card);
  padding:24px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.02);
}
.hero-card__media{
  position:relative;aspect-ratio:16/9;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--dark-line);margin-bottom:18px;
}
.hero-card__media img{width:100%;height:100%;object-fit:cover}
.hero-card h3{font-size:18px;color:#fff;margin-bottom:14px}
.hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.hero-stat{
  border:1px solid var(--dark-line);border-radius:10px;padding:12px 14px;
  background:rgba(255,255,255,.03);
}
.hero-stat b{display:block;font-family:var(--font-num);font-size:28px;font-weight:700;color:var(--pg-lime);line-height:1.1}
.hero-stat span{display:block;font-size:12px;color:rgba(255,255,255,.6);margin-top:4px}

/* 锚点导航 */
.anchor-nav{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:36px;padding-top:24px;border-top:1px solid var(--dark-line);
}
.anchor-nav a{
  font-size:13px;font-weight:500;color:rgba(255,255,255,.72);
  padding:8px 14px;border-radius:var(--r-pill);
  border:1px solid var(--dark-line);background:rgba(255,255,255,.03);
  transition:color .16s ease-out,border-color .16s ease-out,transform .16s ease-out;
}
.anchor-nav a:hover{color:var(--pg-lime);border-color:rgba(183,240,58,.5);transform:translateY(-2px)}

/* ============ 浅区板块 ============ */
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--paper{background:var(--paper)}
.section--white{background:#fff}
.section + .section{border-top:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:1px;color:var(--pg-coral);
  text-transform:uppercase;margin-bottom:14px;
}
.sec-head .eyebrow::before{content:"";width:4px;height:14px;background:var(--pg-coral);display:inline-block}
.sec-head h2{font-size:var(--fs-h2);margin-bottom:14px}
.sec-head p{font-size:17px;color:var(--muted);line-height:1.9}
.sec-head--split{
  display:flex;justify-content:space-between;align-items:flex-end;gap:24px;
  max-width:none;
}

/* ============ 双列对比 ============ */
.duel{
  display:grid;grid-template-columns:1fr 1px 1fr;gap:32px;align-items:stretch;
}
.duel__divider{background:var(--line);width:1px}
.duel-col{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-card);
  transition:transform .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out;
}
.duel-col:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover)}
.duel-col--b{border-color:rgba(183,240,58,.75);box-shadow:var(--sh-hard)}
.duel-col__top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
.duel-col h3{font-size:var(--fs-h3);margin:0}
.duel-col__sub{font-size:14px;color:var(--muted);margin-bottom:22px}
.duel-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 0;border-top:1px solid var(--line);
  font-size:16px;line-height:1.85;color:var(--ink);
}
.duel-list li:first-child{border-top:0;padding-top:0}
.duel-list i{color:var(--pg-lime-dark);font-size:15px;margin-top:7px;flex:0 0 auto}
.duel-col--b .duel-list i{color:var(--pg-lime-dark)}
.duel-note{
  margin-top:22px;padding:14px 16px;border-radius:10px;
  background:#F1EFE8;border:1px solid var(--line);
  font-size:14px;color:var(--muted);line-height:1.8;
}

/* ============ 对比条 ============ */
.bars{display:grid;gap:26px;margin-top:8px}
.bar-row{display:grid;grid-template-columns:180px 1fr 84px;gap:20px;align-items:center}
.bar-row__label{font-size:15px;font-weight:600;color:var(--ink)}
.bar-row__label small{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:2px}
.bar-track{display:grid;gap:8px}
.bar{
  height:12px;border-radius:var(--r-pill);background:#E7E4DB;overflow:hidden;
}
.bar span{display:block;height:100%;border-radius:var(--r-pill)}
.bar--lime span{background:linear-gradient(90deg,var(--pg-lime-dark),var(--pg-lime))}
.bar--gray span{background:#C7C3B8}
.bar-row__value{
  font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--ink);text-align:right;
}
.bar-legend{display:flex;flex-wrap:wrap;gap:18px;margin-top:8px;font-size:13px;color:var(--muted)}
.bar-legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px}
.bar-legend .lg-lime{background:var(--pg-lime)}
.bar-legend .lg-gray{background:#C7C3B8}

/* ============ 三栏要点卡 ============ */
.pick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pick-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-card);
  transition:transform .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out;
}
.pick-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:rgba(183,240,58,.7)}
.pick-card .num{
  font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--pg-coral);line-height:1;
}
.pick-card h3{font-size:var(--fs-h4);margin:14px 0 10px}
.pick-card p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:16px}
.pick-card__tags{display:flex;flex-wrap:wrap;gap:8px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:0;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:24px 4px;text-align:left;
  font-size:18px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .16s ease-out;
}
.faq-q:hover{color:var(--pg-lime-dark)}
.faq-q .ico{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--muted);font-size:12px;
  transition:transform .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.faq-item.is-open .faq-q .ico{transform:rotate(180deg);background:var(--pg-lime);border-color:var(--pg-lime);color:#0E100D}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .2s ease-out;
}
.faq-a__inner{padding:0 44px 26px 4px;font-size:17px;line-height:1.9;color:var(--muted)}
.faq-item.is-open .faq-a{max-height:420px}

/* ============ 表单锚点卡（暗区） ============ */
.cta-band{
  position:relative;background:var(--dark);color:#fff;overflow:hidden;
  padding:88px 0;
}
.cta-band__dots{
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:4px 4px;opacity:.05;pointer-events:none;
}
.cta-band .rl-container{position:relative;z-index:2}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.cta-grid h2{font-size:var(--fs-h2);color:#fff;margin-bottom:16px}
.cta-grid .lead{color:rgba(255,255,255,.72);font-size:17px}
.cta-points{margin-top:26px;display:grid;gap:12px}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.78);line-height:1.8}
.cta-points i{color:var(--pg-lime);margin-top:6px;font-size:14px}
.anchor-card{
  background:var(--dark-panel);border:1px solid var(--dark-line);
  border-radius:var(--r-card);padding:32px;
}
.anchor-card h3{font-size:20px;color:#fff;margin-bottom:12px}
.anchor-card p{font-size:15px;color:rgba(255,255,255,.68);line-height:1.85}
.anchor-card__actions{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 24px}
.contact-list{border-top:1px solid var(--dark-line);padding-top:20px;display:grid;gap:12px}
.contact-list li{display:flex;gap:12px;align-items:center;font-size:15px;color:rgba(255,255,255,.74)}
.contact-list i{color:var(--pg-lime);width:18px;text-align:center}
.anchor-card__tip{
  margin-top:20px;font-size:12px;color:rgba(255,255,255,.5);line-height:1.8;
  padding-top:16px;border-top:1px solid var(--dark-line);
}

/* ============ 页脚 ============ */
.rl-footer{
  position:relative;background:var(--dark);color:rgba(255,255,255,.72);
  padding:72px 0 28px;overflow:hidden;
}
.rl-footer::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:4px 4px;opacity:.05;pointer-events:none;
}
.rl-footer .rl-container{position:relative;z-index:2}
.footer-grid{display:flex;flex-wrap:wrap;gap:32px;padding-bottom:40px;border-bottom:1px solid var(--dark-line)}
.footer-col{min-width:0}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand strong{color:#fff;font-size:17px;font-weight:700}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);margin:0}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-links a:hover{color:var(--pg-lime)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;
  padding-top:24px;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.48);margin:0}
.footer-friend{display:flex;flex-wrap:wrap;gap:16px}
.footer-friend a{font-size:13px;color:rgba(255,255,255,.6)}
.footer-friend a:hover{color:var(--pg-lime)}

/* ============ 移动端抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(6,8,6,.6);
  opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out;z-index:300;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:320px;max-width:86vw;
  background:#0E100D;border-left:1px solid var(--dark-line);
  transform:translateX(105%);transition:transform .24s ease-out;z-index:301;
  padding:24px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.nav-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--dark-line);color:#fff;display:inline-flex;align-items:center;justify-content:center}
.nav-drawer .drawer-links{display:grid;gap:6px;margin-bottom:22px}
.nav-drawer .drawer-links a{
  padding:14px 14px;border-radius:var(--r-btn);color:rgba(255,255,255,.8);
  font-size:16px;font-weight:500;border:1px solid transparent;
}
.nav-drawer .drawer-links a:hover{color:#fff;border-color:var(--dark-line);background:rgba(255,255,255,.04)}
.nav-drawer .drawer-links a.is-active{color:#0E100D;background:var(--pg-lime)}
.nav-drawer .cmd-search{width:100%;margin-bottom:16px}
.nav-drawer .btn{width:100%}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--fs-h1:42px;--fs-h2:29px}
  .rl-container{padding:0 20px}
  .nav-inner{padding:0 20px;gap:18px}
  .cmd-search{width:200px}
  .cmd-search:focus-within{width:230px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .cmd-search{display:none}
  .icon-btn{display:none}
  .nav-burger{display:inline-flex}
  .rl-header .btn-primary.btn-sm{display:none}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .cat-hero{padding:40px 0 64px}
  .cat-hero__grid{grid-template-columns:1fr;gap:32px;align-items:start}
  .duel{grid-template-columns:1fr;gap:24px}
  .duel__divider{display:none}
  .pick-grid{grid-template-columns:1fr 1fr}
  .cta-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{gap:28px}
  .footer-col{flex:0 0 46% !important;max-width:46% !important}
  .footer-col:first-child{flex:0 0 100% !important;max-width:100% !important}
}
@media (max-width:767px){
  :root{--fs-h1:32px;--fs-h2:25px;--fs-h3:20px;--fs-h4:17px}
  body{font-size:16px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .duel-col{padding:24px}
  .pick-grid{grid-template-columns:1fr}
  .bar-row{grid-template-columns:1fr;gap:10px}
  .bar-row__value{text-align:left;font-size:18px}
  .footer-col{flex:0 0 100% !important;max-width:100% !important}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-band{padding:64px 0}
  .anchor-card{padding:24px}
  .faq-a__inner{padding-right:12px}
  .sec-head--split{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  :root{--fs-h1:30px;--fs-h2:24px}
  .rl-container{padding:0 16px}
  .nav-inner{padding:0 16px}
  .rl-logo-text{font-size:16px}
  .cat-hero{padding:32px 0 52px}
  .btn{width:100%;padding:0 18px}
  .cat-hero__actions .btn{width:100%}
  .hero-stats{grid-template-columns:1fr}
  .anchor-card__actions .btn{width:100%}
}

/* roulang page: category3 */
:root{
  --pg:#B7F03A;
  --pg-dark:#94CC22;
  --coral:#FF6A2B;
  --dark:#0E100D;
  --dark-panel:#171A15;
  --dark-line:rgba(255,255,255,.10);
  --paper:#F5F3ED;
  --white:#FFFFFF;
  --ink:#1B1E19;
  --muted:#5C6259;
  --line:#E3E0D8;
  --ok:#2E9E6B;
  --warn:#D98324;
  --err:#C9452F;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --sh-card:0 1px 2px rgba(16,18,15,.05),0 10px 28px rgba(16,18,15,.06);
  --sh-hard:4px 4px 0 var(--pg);
  --t:160ms ease-out;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --num:"Barlow Condensed","DIN Alternate",ui-monospace,monospace;
  --nav-h:68px;
}
*,*::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;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t);}
a:hover{color:var(--pg-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:0;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--pg);outline-offset:2px;border-radius:4px;}
::selection{background:var(--pg);color:#0E100D;}

/* foundation 覆盖 */
a:not(.btn):not(.nav-link):not(.rl-logo){color:inherit;}
.button,button{background:none;color:inherit;border:0;}
.accordion{background:transparent;border:0;margin:0;}
.accordion-title{background:transparent;border:0;}
.accordion-content{background:transparent;border:0;padding:0;}

.rl-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ============ 导航 ============ */
.rl-header{
  position:sticky;
  top:0;
  z-index:60;
  height:var(--nav-h);
  background:#0E100D;
  border-bottom:1px solid transparent;
  transition:background-color var(--t),border-color var(--t);
}
.rl-header.is-scrolled{
  background:#0A0C09;
  border-bottom-color:var(--dark-line);
}
.nav-inner{
  max-width:1280px;
  height:100%;
  margin:0 auto;
  padding:0 24px;
  display:flex;
  align-items:center;
  gap:28px;
}
.rl-logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:#F2F4EF;
}
.rl-logo:hover{color:#F2F4EF;}
.rl-logo-mark{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--pg);
  color:#0E100D;
  font-size:16px;
  box-shadow:0 0 0 1px rgba(183,240,58,.4),0 0 18px rgba(183,240,58,.25);
}
.rl-logo-text{
  font-size:19px;
  font-weight:700;
  letter-spacing:0;
  white-space:nowrap;
}
.rl-logo-text em{
  font-style:normal;
  color:var(--pg);
  font-family:var(--num);
  letter-spacing:.5px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
  flex:1 1 auto;
}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:rgba(242,244,239,.78);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--pg);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t);
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:#fff;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-tools{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.cmd-search{
  display:flex;
  align-items:center;
  gap:8px;
  width:240px;
  height:40px;
  padding:0 10px;
  border-radius:var(--r-btn);
  background:#171A15;
  border:1px solid var(--dark-line);
  color:rgba(242,244,239,.55);
  transition:width var(--t),border-color var(--t);
}
.cmd-search:focus-within{
  width:300px;
  border-color:var(--pg);
}
.cmd-search input{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  color:#F2F4EF;
  font-size:14px;
  font-family:inherit;
  outline:none;
}
.cmd-search input::placeholder{color:rgba(242,244,239,.42);}
.cmd-search .kbd{
  flex:0 0 auto;
  font-family:var(--num);
  font-size:11px;
  letter-spacing:.5px;
  padding:2px 6px;
  border-radius:6px;
  border:1px solid var(--dark-line);
  color:rgba(242,244,239,.6);
}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid var(--dark-line);
  color:rgba(242,244,239,.8);
  font-size:15px;
}
.icon-btn:hover{border-color:var(--pg);color:var(--pg);transform:translateY(-2px);}
.nav-burger{
  display:none;
  width:40px;height:40px;
  border-radius:var(--r-btn);
  border:1px solid var(--dark-line);
  color:#F2F4EF;
  font-size:17px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
.nav-burger:hover{border-color:var(--pg);color:var(--pg);}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform var(--t),background-color var(--t),border-color var(--t),color var(--t),box-shadow var(--t);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--pg);color:#0E100D;}
.btn-primary:hover{background:var(--pg-dark);color:#0E100D;transform:translateY(-2px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:#F2F4EF;}
.btn-ghost:hover{border-color:var(--pg);color:var(--pg);transform:translateY(-2px);}
.btn-outline-dark{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-outline-dark:hover{border-color:var(--pg-dark);color:var(--pg-dark);transform:translateY(-2px);}
.btn-text{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:600;font-size:15px;color:var(--ink);
}
.btn-text i{font-size:12px;transition:transform var(--t);}
.btn-text:hover i{transform:translateX(4px);}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(6,8,5,.6);
  opacity:0;visibility:hidden;transition:opacity 200ms ease-out,visibility 200ms;
  z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;
  width:320px;max-width:86vw;
  background:#0E100D;
  border-left:1px solid var(--dark-line);
  padding:24px 22px 32px;
  transform:translateX(102%);
  transition:transform 220ms ease-out;
  z-index:90;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:38px;height:38px;border-radius:var(--r-btn);
  border:1px solid var(--dark-line);color:#F2F4EF;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close:hover{border-color:var(--pg);color:var(--pg);}
.drawer-search{
  display:flex;align-items:center;gap:8px;
  height:44px;padding:0 12px;margin-bottom:20px;
  border-radius:var(--r-btn);background:#171A15;border:1px solid var(--dark-line);
  color:rgba(242,244,239,.55);
}
.drawer-search input{
  flex:1;min-width:0;height:100%;background:transparent;border:0;outline:none;color:#F2F4EF;font-size:14px;font-family:inherit;
}
.drawer-nav{display:flex;flex-direction:column;margin-bottom:24px;}
.drawer-nav a{
  padding:14px 2px;
  color:rgba(242,244,239,.82);
  font-size:16px;font-weight:500;
  border-bottom:1px solid var(--dark-line);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--pg);}

/* ============ 面包屑 ============ */
.crumb-bar{
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.crumb-inner{
  display:flex;align-items:center;gap:8px;
  padding:14px 0;
  font-size:14px;
  color:var(--muted);
}
.crumb-inner a{color:var(--muted);}
.crumb-inner a:hover{color:var(--pg-dark);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;}
.crumb-inner .sep{color:#C4C0B5;}
.crumb-inner .cur{color:var(--ink);font-weight:600;}

/* ============ 分类首屏 ============ */
.cat-hero{
  position:relative;
  overflow:hidden;
  background:var(--dark);
  color:#F2F4EF;
  padding:64px 0 72px;
}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.30;
}
.cat-hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,16,13,.96) 0%,rgba(14,16,13,.80) 46%,rgba(14,16,13,.42) 100%);
}
.cat-hero-scan{
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 24px);
  opacity:.5;pointer-events:none;
}
.cat-hero-inner{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:44px;
  align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(183,240,58,.45);
  color:var(--pg);
  font-size:12px;font-weight:600;letter-spacing:.6px;
  margin-bottom:20px;
}
.cat-hero h1{
  font-size:48px;
  line-height:1.22;
  margin-bottom:18px;
  max-width:16em;
}
.cat-hero h1 em{
  font-style:normal;
  color:var(--pg);
  font-family:var(--num);
  letter-spacing:.5px;
}
.hero-lead{
  font-size:17px;
  line-height:1.9;
  color:rgba(242,244,239,.78);
  max-width:34em;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:10px;
}
.trust-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 12px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--dark-line);
  font-size:13px;
  color:rgba(242,244,239,.78);
}
.trust-chip i{color:var(--pg);font-size:12px;}

.hero-spec-card{
  background:var(--dark-panel);
  border:1px solid var(--dark-line);
  border-radius:var(--r-card);
  padding:6px 22px;
  position:relative;
  box-shadow:0 0 0 1px rgba(183,240,58,.10),0 0 34px rgba(183,240,58,.08) inset;
}
.hero-spec-card h2{
  font-size:14px;
  font-weight:600;
  color:rgba(242,244,239,.6);
  letter-spacing:.5px;
  padding:16px 0 12px;
  border-bottom:1px solid var(--dark-line);
}
.hero-spec-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding:13px 0;
  border-bottom:1px solid var(--dark-line);
}
.hero-spec-row:last-child{border-bottom:0;}
.hero-spec-row span{font-size:14px;color:rgba(242,244,239,.62);}
.hero-spec-row strong{
  font-family:var(--num);
  font-size:19px;
  font-weight:700;
  color:var(--pg);
  letter-spacing:.5px;
  text-align:right;
}
.hero-spec-foot{
  padding:14px 0 18px;
  font-size:13px;
  color:rgba(242,244,239,.5);
  border-top:1px solid var(--dark-line);
}

/* ============ 锚点条 ============ */
.anchor-bar{
  position:sticky;
  top:var(--nav-h);
  z-index:40;
  background:rgba(245,243,237,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(1.1);
}
.anchor-inner{
  display:flex;
  align-items:center;
  gap:6px;
  padding:10px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-inner a{
  flex:0 0 auto;
  padding:8px 14px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:500;
  color:var(--muted);
  border:1px solid transparent;
  white-space:nowrap;
}
.anchor-inner a:hover{
  color:var(--ink);
  border-color:var(--line);
  background:var(--white);
}
.anchor-inner a.is-current{
  color:#0E100D;
  background:var(--pg);
}

/* ============ 板块通用 ============ */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-paper{background:var(--paper);border-top:1px solid var(--line);}
.section-white{background:var(--white);border-top:1px solid var(--line);}
.section-dark{background:var(--dark);color:#F2F4EF;border-top:1px solid #000;}
.sec-head{margin-bottom:44px;max-width:760px;}
.sec-head h2{
  font-size:32px;
  line-height:1.3;
  padding-left:16px;
  border-left:4px solid var(--pg);
  margin-bottom:14px;
}
.section-paper .sec-head h2,
.section-white .sec-head h2{color:var(--ink);}
.sec-head p{color:var(--muted);font-size:17px;}
.sec-head-center{max-width:720px;margin:0 auto 44px;text-align:center;}
.sec-head-center h2{padding-left:0;border-left:0;}

/* ============ 规格摘要卡 ============ */
.summary-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.summary-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 26px 24px;
  box-shadow:var(--sh-card);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.summary-card:hover{transform:translateY(-2px);border-color:var(--pg-dark);box-shadow:0 1px 2px rgba(16,18,15,.06),0 16px 34px rgba(16,18,15,.09);}
.summary-card .idx{
  display:inline-block;
  font-family:var(--num);
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  color:var(--coral);
  margin-bottom:14px;
}
.summary-num{
  display:flex;
  align-items:baseline;
  gap:6px;
  margin-bottom:8px;
}
.summary-num b{
  font-family:var(--num);
  font-size:44px;
  font-weight:700;
  line-height:1;
  color:var(--ink);
  letter-spacing:.5px;
}
.summary-num i{font-style:normal;font-size:16px;color:var(--muted);font-weight:600;}
.summary-card h3{font-size:18px;margin-bottom:8px;}
.summary-card p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:14px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  line-height:1.5;
  white-space:nowrap;
}
.badge-outline{border:1px solid rgba(255,106,43,.5);color:#C2480F;background:rgba(255,106,43,.07);}
.badge-solid{background:var(--pg);color:#0E100D;}
.badge-soft{background:#EFF3E6;color:#3F4A2C;border:1px solid #DDE6CB;}

/* ============ 参数定义列表 ============ */
.spec-block{padding:44px 0;border-top:1px solid var(--line);}
.spec-block:first-of-type{border-top:0;padding-top:0;}
.spec-block-head{
  display:flex;align-items:baseline;gap:14px;margin-bottom:20px;flex-wrap:wrap;
}
.spec-block-head h3{font-size:22px;}
.spec-block-head .badge{transform:translateY(-2px);}
.spec-list{margin:0;}
.spec-row{
  display:flex;
  align-items:flex-start;
  gap:24px;
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.spec-row:first-child{border-top:1px solid var(--line);}
.spec-row dt{
  flex:0 0 160px;
  max-width:160px;
  font-size:15px;
  color:var(--muted);
  font-weight:500;
  line-height:1.9;
}
.spec-row dd{
  margin:0;
  flex:1 1 auto;
  font-size:17px;
  color:var(--ink);
  line-height:1.85;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
}
.spec-row dd .val-num{
  font-family:var(--num);
  font-size:19px;
  font-weight:700;
  letter-spacing:.5px;
}
.spec-note{
  margin-top:18px;
  font-size:14px;
  color:var(--muted);
  display:flex;
  gap:10px;
  align-items:flex-start;
  background:#EFF1E9;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  padding:14px 16px;
}
.spec-note i{color:var(--warn);margin-top:5px;}

/* ============ 组合方案卡 ============ */
.combo-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:28px;
}
.combo-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-card);
  display:flex;
  flex-direction:column;
  transition:transform var(--t),border-color var(--t);
}
.combo-card:hover{transform:translateY(-2px);border-color:var(--pg-dark);}
.combo-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.combo-media img{width:100%;height:100%;object-fit:cover;}
.combo-media::after{
  content:"";position:absolute;inset:0;
  border:1px solid rgba(255,255,255,.35);
  border-radius:0;pointer-events:none;
}
.combo-body{padding:26px 26px 28px;display:flex;flex-direction:column;flex:1 1 auto;}
.combo-body h3{font-size:22px;margin-bottom:10px;}
.combo-body > p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:18px;}
.combo-specs{display:flex;flex-direction:column;gap:0;margin-bottom:20px;}
.combo-specs li{
  display:flex;justify-content:space-between;gap:16px;
  padding:10px 0;
  border-bottom:1px dashed var(--line);
  font-size:15px;
}
.combo-specs li:last-child{border-bottom:0;}
.combo-specs span{color:var(--muted);}
.combo-specs b{font-family:var(--num);font-weight:700;letter-spacing:.5px;font-size:16px;}
.combo-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;margin-bottom:18px;}

/* ============ 核对清单带 ============ */
.check-band{
  background:var(--dark);
  color:#F2F4EF;
  border-top:1px solid #000;
  padding:72px 0;
  position:relative;
  overflow:hidden;
}
.check-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:4px 4px;
  opacity:.9;
  pointer-events:none;
}
.check-band-inner{position:relative;z-index:2;}
.check-band h2{font-size:32px;margin-bottom:14px;padding-left:16px;border-left:4px solid var(--pg);}
.check-band .lead{color:rgba(242,244,239,.75);max-width:52em;margin-bottom:34px;}
.check-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.check-item{
  background:var(--dark-panel);
  border:1px solid var(--dark-line);
  border-radius:var(--r-card);
  padding:22px 22px 20px;
  transition:transform var(--t),border-color var(--t);
}
.check-item:hover{transform:translateY(-2px);border-color:rgba(183,240,58,.5);}
.check-item .num{
  font-family:var(--num);
  font-size:24px;
  font-weight:700;
  color:var(--coral);
  display:block;
  margin-bottom:12px;
}
.check-item h3{font-size:18px;margin-bottom:8px;}
.check-item p{font-size:14px;color:rgba(242,244,239,.65);line-height:1.85;}

/* ============ CTA 色带 ============ */
.cta-band{
  background:var(--pg);
  color:#0E100D;
  padding:44px 0;
}
.cta-band-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:26px;margin-bottom:6px;}
.cta-band p{font-size:15px;color:rgba(14,16,13,.72);}
.cta-band .btn-dark{
  background:#0E100D;color:#F2F4EF;
}
.cta-band .btn-dark:hover{background:#1F241B;color:var(--pg);transform:translateY(-2px);}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;}
.rl-accordion .accordion-item{
  border:0;
  border-bottom:1px solid var(--line);
  background:transparent;
}
.rl-accordion .accordion-item:first-child{border-top:1px solid var(--line);}
.rl-accordion .accordion-title{
  position:relative;
  display:block;
  padding:22px 52px 22px 0;
  font-size:18px;
  font-weight:600;
  color:var(--ink);
  border:0;
  transition:color var(--t);
}
.rl-accordion .accordion-title:hover{color:var(--pg-dark);}
.rl-accordion .accordion-title::before{
  position:absolute;
  right:14px;
  top:50%;
  transform:translateY(-50%);
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--coral);
  transition:transform 200ms ease-out,color 200ms ease-out;
}
.rl-accordion .accordion-item.is-active .accordion-title::before{
  transform:translateY(-50%) rotate(180deg);
}
.rl-accordion .accordion-content{
  padding:0 52px 24px 0;
  border:0;
  color:var(--muted);
  font-size:17px;
  line-height:1.9;
}
.rl-accordion .accordion-content p{margin:0 0 1em;}
.rl-accordion .accordion-content p:last-child{margin-bottom:0;}

/* ============ 咨询锚点卡 ============ */
.contact-band{
  background:var(--dark);
  color:#F2F4EF;
  padding:72px 0;
  border-top:1px solid #000;
}
.contact-inner{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:40px;
  align-items:center;
}
.contact-info h2{font-size:30px;margin-bottom:14px;}
.contact-info p{color:rgba(242,244,239,.72);font-size:16px;}
.contact-points{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.contact-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:rgba(242,244,239,.8);}
.contact-points i{color:var(--pg);margin-top:5px;font-size:13px;}
.contact-card{
  background:#FFFFFF;
  color:var(--ink);
  border-radius:var(--r-card);
  padding:30px 30px 28px;
  box-shadow:var(--sh-hard);
}
.contact-card h3{font-size:20px;margin-bottom:8px;}
.contact-card > p{font-size:15px;color:var(--muted);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:7px;font-weight:500;}
.field input,
.field select,
.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  font-size:15px;
  font-family:inherit;
  color:var(--ink);
  background:#FBFAF6;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  outline:none;
  transition:border-color var(--t),background-color var(--t);
}
.field textarea{min-height:96px;resize:vertical;line-height:1.8;}
.field input:focus,
.field select:focus,
.field textarea:focus{border-color:var(--pg-dark);background:#fff;}
.form-actions{display:flex;justify-content:flex-end;margin-top:6px;}
.form-note{font-size:12px;color:var(--muted);margin-top:14px;line-height:1.8;}
.form-error{
  display:none;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--err);
  margin-top:6px;
}
.form-error i{font-size:12px;}
.form-error.is-show{display:flex;}

/* ============ 页脚 ============ */
.rl-footer{
  background:#0B0D09;
  color:rgba(242,244,239,.72);
  padding:72px 0 0;
  border-top:1px solid var(--dark-line);
  position:relative;
  overflow:hidden;
}
.rl-footer::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:4px 4px;
  opacity:.7;pointer-events:none;
}
.rl-footer .rl-container{position:relative;z-index:2;}
.footer-grid{
  display:flex;
  flex-wrap:wrap;
  gap:32px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand strong{font-size:18px;color:#F2F4EF;}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(242,244,239,.62);}
.footer-col h4{font-size:15px;color:#F2F4EF;margin-bottom:16px;font-weight:600;letter-spacing:.3px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(242,244,239,.66);}
.footer-links a:hover{color:var(--pg);}
.footer-bottom{
  border-top:1px solid var(--dark-line);
  padding:22px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(242,244,239,.5);margin:0;}
.footer-friend{display:flex;flex-wrap:wrap;gap:16px;}
.footer-friend a{font-size:13px;color:rgba(242,244,239,.55);}
.footer-friend a:hover{color:var(--pg);}

/* ============ 响应式 ============ */
@media screen and (max-width:1279px){
  .nav-links{gap:20px;}
  .cmd-search{width:200px;}
  .cmd-search:focus-within{width:240px;}
}
@media screen and (max-width:1023px){
  .nav-links{display:none;}
  .nav-burger{display:inline-flex;}
  .cmd-search{display:none;}
  .cat-hero-inner{grid-template-columns:1fr;gap:34px;}
  .cat-hero h1{font-size:34px;max-width:none;}
  .section{padding:72px 0;}
  .summary-grid{grid-template-columns:1fr 1fr;}
  .check-grid{grid-template-columns:1fr 1fr;}
  .combo-grid{grid-template-columns:1fr;}
  .contact-inner{grid-template-columns:1fr;gap:30px;}
  .footer-grid{gap:28px;}
  .footer-col[style]{flex:0 0 46% !important;max-width:46% !important;}
}
@media screen and (max-width:767px){
  body{font-size:16px;}
  .rl-container{padding:0 16px;}
  .nav-inner{padding:0 16px;gap:14px;}
  .rl-logo-text{font-size:17px;}
  .cat-hero{padding:44px 0 52px;}
  .cat-hero h1{font-size:30px;}
  .hero-lead{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .section{padding:56px 0;}
  .section-tight{padding:52px 0;}
  .sec-head h2{font-size:24px;}
  .check-band h2{font-size:24px;}
  .summary-grid{grid-template-columns:1fr;}
  .summary-num b{font-size:38px;}
  .check-grid{grid-template-columns:1fr;}
  .spec-row{flex-direction:column;gap:6px;}
  .spec-row dt{flex:0 0 auto;max-width:none;}
  .spec-row dd{font-size:16px;}
  .spec-block-head h3{font-size:19px;}
  .cta-band-inner{flex-direction:column;align-items:flex-start;}
  .cta-band .btn{width:100%;}
  .contact-card{padding:24px 20px;}
  .form-actions{justify-content:stretch;}
  .form-actions .btn{width:100%;}
  .rl-accordion .accordion-title{font-size:17px;padding:18px 46px 18px 0;}
  .rl-accordion .accordion-content{padding:0 0 20px;font-size:16px;}
  .footer-col[style]{flex:0 0 100% !important;max-width:100% !important;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:519px){
  .cat-hero h1{font-size:26px;}
  .hero-tag{font-size:11px;}
  .trust-chip{font-size:12px;}
  .summary-num b{font-size:34px;}
  .combo-body{padding:22px 20px 24px;}
}