/* roulang page: index */
:root{
  --lime:#A9F03A;
  --cyan:#14D2A0;
  --orange:#FF6A2C;
  --night:#0C1611;
  --mist:#F4F8F1;
  --card:#FFFFFF;
  --t1:#10190F;
  --t2:#56635B;
  --t3:#8A968E;
  --inv:#F7FBF4;
  --line:#E3EBE0;
  --line-dark:rgba(255,255,255,.12);
  --grad:linear-gradient(120deg,#A9F03A 0%,#14D2A0 52%,#FF6A2C 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --r-badge:10px;
  --sh:0 14px 34px -20px rgba(12,22,17,.28);
  --sh-h:0 22px 46px -20px rgba(12,22,17,.36);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:0;
  color:var(--t1);
  background:var(--mist);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:0;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:8px}
.num{font-variant-numeric:tabular-nums;font-weight:800}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;min-height:44px;
  transition:transform .18s ease,background .2s ease,color .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-primary{background:var(--lime);color:var(--night);box-shadow:0 12px 26px -18px rgba(169,240,58,.9)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 18px 32px -18px rgba(169,240,58,.9)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;color:var(--t1);border-color:var(--night)}
.btn-outline:hover{background:var(--mist)}
.btn-ghost{background:transparent;color:var(--inv);border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.btn-block{width:100%}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;line-height:1;
  padding:7px 12px;border-radius:var(--r-badge);
  background:rgba(20,210,160,.12);color:#0E7A5E;border:1px solid rgba(20,210,160,.28);
}
.tag-lime{background:rgba(169,240,58,.18);color:#3F6B0B;border-color:rgba(169,240,58,.5)}
.tag-orange{background:rgba(255,106,44,.14);color:#B63F0D;border-color:rgba(255,106,44,.35)}
.badge-rec{
  display:inline-flex;align-items:center;font-size:12px;font-weight:700;line-height:1;
  padding:6px 10px;border-radius:var(--r-badge);background:var(--orange);color:#fff;
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--lime);flex:none}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(12,22,17,.28);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  box-shadow:0 10px 30px -18px rgba(0,0,0,.45);
  color:var(--inv);
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease,color .24s ease;
}
.site-header.is-stuck{
  background:rgba(244,248,241,.92);
  -webkit-backdrop-filter:blur(10px) saturate(130%);
  backdrop-filter:blur(10px) saturate(130%);
  border-bottom-color:var(--line);
  box-shadow:0 14px 30px -22px rgba(12,22,17,.6);
  color:var(--t1);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;transition:height .24s ease}
.site-header.is-stuck .nav{height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;white-space:nowrap}
.logo-mark{
  width:30px;height:30px;border-radius:10px;flex:none;
  background:var(--grad);
  box-shadow:0 8px 18px -10px rgba(20,210,160,.9);
}
.logo-text{letter-spacing:0}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{
  position:relative;padding:9px 13px;font-size:15px;border-radius:var(--r-pill);
  transition:color .2s ease,background .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:center;transition:transform .24s ease;
}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--lime)}
.site-header.is-stuck .nav-links a.is-active{color:var(--t1)}
.site-header.is-stuck .nav-links a:hover{background:rgba(20,210,160,.1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.36);background:transparent;
  color:inherit;cursor:pointer;transition:background .2s ease,border-color .2s ease;
}
.site-header.is-stuck .icon-btn{border-color:var(--line)}
.icon-btn:hover{background:rgba(255,255,255,.14)}
.site-header.is-stuck .icon-btn:hover{background:rgba(20,210,160,.12);border-color:rgba(20,210,160,.4)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.36);background:transparent;color:inherit;cursor:pointer;align-items:center;justify-content:center}
.site-header.is-stuck .nav-toggle{border-color:var(--line)}

.mobile-menu{
  position:fixed;left:0;right:0;top:0;bottom:0;z-index:110;
  background:var(--night);color:var(--inv);
  padding:96px 20px 28px;display:flex;flex-direction:column;gap:6px;
  transform:translateY(-102%);transition:transform .3s ease;overflow:auto;
}
.mobile-menu.is-open{transform:translateY(0)}
.mobile-menu a.m-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:12px 16px;border-radius:var(--r-sm);
  border:1px solid var(--line-dark);font-size:16px;
}
.mobile-menu a.m-link.is-active{background:rgba(169,240,58,.14);border-color:rgba(169,240,58,.45);color:var(--lime)}
.mobile-menu .m-cta{margin-top:auto;padding-top:20px}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--night);color:var(--inv);padding:140px 0 76px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(680px 320px at 8% 0%,rgba(169,240,58,.18),transparent 72%),
    radial-gradient(620px 320px at 96% 96%,rgba(20,210,160,.16),transparent 72%);
  pointer-events:none;
}
.hero-stripes{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 4px,transparent 4px 26px);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.04fr .96fr;gap:52px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--lime);
  border:1px solid rgba(169,240,58,.4);border-radius:var(--r-pill);padding:8px 14px;background:rgba(169,240,58,.1)}
.hero h1{font-size:clamp(30px,4.2vw,52px);margin:22px 0 18px;line-height:1.18}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(247,251,244,.82);max-width:60ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line-dark)}
.hero-stats .stat b{display:block;font-size:26px;color:var(--lime);line-height:1.2}
.hero-stats .stat span{font-size:13.5px;color:rgba(247,251,244,.68)}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3;box-shadow:0 28px 60px -30px rgba(0,0,0,.75)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(169,240,58,.5) 0%,rgba(20,210,160,.4) 52%,rgba(255,106,44,.28) 100%);
  mix-blend-mode:multiply;
}
.hero-media .hero-lines{
  position:absolute;inset:0;z-index:2;opacity:.75;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.16) 0 5px,transparent 5px 30px);
}
.hero-badge{
  position:absolute;right:-10px;bottom:-10px;z-index:3;
  width:134px;height:134px;border-radius:50%;
  display:grid;place-content:center;text-align:center;gap:2px;
  background:
    linear-gradient(var(--night),var(--night)) padding-box,
    var(--grad) border-box;
  border:2px solid transparent;
  box-shadow:0 20px 40px -22px rgba(0,0,0,.85);
}
.hero-badge b{display:block;font-size:30px;color:var(--lime);line-height:1}
.hero-badge span{font-size:12px;color:rgba(247,251,244,.75);display:block;margin-top:6px}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0}
.section-white{background:var(--card)}
.section-mist{background:var(--mist)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
.sec-head h2{font-size:clamp(24px,3vw,34px);margin:14px 0 10px}
.sec-head p{color:var(--t2);font-size:15.5px;max-width:64ch}
.link-more{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;color:#0E7A5E;white-space:nowrap}
.link-more:hover{color:var(--t1)}
.link-more span{transition:transform .2s ease}
.link-more:hover span{transform:translateX(4px)}

/* ---------- 数据徽章带 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh);transition:box-shadow .22s ease,transform .22s ease;
}
.metric:hover{box-shadow:var(--sh-h);transform:translateY(-3px)}
.metric .m-ico{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(20,210,160,.12);color:#0E7A5E;margin-bottom:16px;
}
.metric b{display:block;font-size:31px;line-height:1.1;color:var(--t1)}
.metric .m-label{font-size:14px;color:var(--t2);margin-top:8px}
.metric .m-tag{display:inline-flex;margin-top:14px;font-size:12.5px;padding:6px 10px;border-radius:var(--r-badge);
  background:rgba(169,240,58,.18);color:#3F6B0B}

/* ---------- 优惠阶梯 ---------- */
.ladder{position:relative;padding-left:46px}
.ladder::before{
  content:"";position:absolute;left:15px;top:12px;bottom:12px;width:3px;border-radius:3px;
  background:var(--grad);opacity:.85;
}
.ladder-step{position:relative;margin-bottom:20px}
.ladder-step::before{
  content:"";position:absolute;left:-38px;top:30px;width:15px;height:15px;border-radius:50%;
  background:var(--card);border:3px solid var(--cyan);box-shadow:0 0 0 5px rgba(20,210,160,.14);
}
.step-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh);transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.step-card:hover{box-shadow:var(--sh-h);border-color:rgba(20,210,160,.5);transform:translateY(-2px)}
.ladder-step:nth-child(1) .step-card{margin-left:0}
.ladder-step:nth-child(2) .step-card{margin-left:22px}
.ladder-step:nth-child(3) .step-card{margin-left:44px}
.ladder-step:nth-child(4) .step-card{margin-left:66px}
.step-top{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.step-top h3{font-size:22px}
.step-benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0 18px}
.step-benefits li{
  font-size:14.5px;line-height:1.7;color:var(--t2);padding-left:20px;position:relative;
}
.step-benefits li::before{
  content:"";position:absolute;left:0;top:10px;width:10px;height:10px;border-radius:3px;background:rgba(169,240,58,.55);
}
.step-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:16px}
.step-foot .cond{font-size:13.5px;color:var(--t3)}

/* ---------- 套餐对比 ---------- */
.matrix-wrap{overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--card);box-shadow:var(--sh)}
table.matrix{width:100%;border-collapse:separate;border-spacing:0;font-size:15px}
table.matrix th,table.matrix td{padding:17px 20px;text-align:left;border-bottom:1px solid var(--line)}
table.matrix thead th{background:var(--mist);font-size:15px;font-weight:700}
table.matrix tbody tr:last-child td{border-bottom:0}
table.matrix tbody tr:hover td{background:#F8FBF5}
table.matrix td:first-child{color:var(--t2);width:190px}
.col-rec{background:var(--night);color:var(--inv);border-left:2px solid var(--lime);border-right:2px solid var(--lime)}
table.matrix thead th.col-rec{background:var(--night);color:var(--inv)}
table.matrix tbody tr:hover td.col-rec{background:#122019}
.plan-name{display:flex;align-items:center;gap:8px;font-size:17px}
.plan-price{display:block;font-size:22px;font-weight:800;margin-top:8px;color:var(--lime)}
.plan-price small{font-size:13px;font-weight:400;color:var(--t2);margin-left:4px}
table.matrix thead th.col-rec .plan-price small{color:rgba(247,251,244,.7)}
.plan-acc{display:none}
.plan-acc details{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh);
}
.plan-acc summary{
  list-style:none;cursor:pointer;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;
  gap:12px;font-weight:700;font-size:16px;min-height:48px;
}
.plan-acc summary::-webkit-details-marker{display:none}
.plan-acc summary::after{content:"+";color:var(--cyan);font-size:20px;font-weight:700}
.plan-acc details[open] summary::after{content:"–"}
.plan-acc .acc-body{padding:0 20px 20px}
.plan-acc .acc-body dl{margin:0}
.plan-acc .acc-body div{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.plan-acc .acc-body div:last-child{border-bottom:0}
.plan-acc .acc-body dt{color:var(--t2)}
.plan-acc .acc-body dd{margin:0;font-weight:600}

/* ---------- 限时入口 ---------- */
.limited{
  position:relative;background:var(--night);color:var(--inv);border-radius:var(--r-lg);
  padding:52px;overflow:hidden;box-shadow:0 30px 60px -34px rgba(12,22,17,.9);
}
.limited::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(560px 260px at 6% 10%,rgba(169,240,58,.2),transparent 70%),
    radial-gradient(520px 260px at 96% 90%,rgba(255,106,44,.16),transparent 72%);
}
.limited::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.07) 0 1px,transparent 1px 34px);
}
.limited-inner{position:relative;display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:center}
.limited h2{font-size:clamp(24px,3vw,34px);margin:14px 0 12px}
.limited p{color:rgba(247,251,244,.8);font-size:15.5px}
.countdown{display:flex;gap:12px;margin-top:26px}
.cd-box{
  min-width:88px;padding:14px 12px;border-radius:var(--r-sm);text-align:center;
  background:rgba(255,255,255,.06);border:1px solid var(--line-dark);
}
.cd-box .cd-num{display:block;font-size:34px;line-height:1;color:var(--orange);font-variant-numeric:tabular-nums;font-weight:800}
.cd-box .cd-lab{display:block;font-size:12.5px;color:rgba(247,251,244,.7);margin-top:8px}
.limited-card{
  background:rgba(255,255,255,.05);border:1px solid var(--line-dark);border-radius:var(--r-md);
  padding:28px;
}
.limited-card ul li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:rgba(247,251,244,.88);padding:9px 0}
.limited-card ul li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);margin-top:10px;flex:none}

/* ---------- 内容列表 ---------- */
.news-feature{
  display:grid;grid-template-columns:1.02fr .98fr;gap:0;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);transition:box-shadow .24s ease,transform .24s ease;
}
.news-feature:hover{box-shadow:var(--sh-h);transform:translateY(-2px)}
.news-feature-media{position:relative;overflow:hidden;min-height:280px}
.news-feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-feature:hover .news-feature-media img{transform:scale(1.04)}
.news-feature-body{padding:32px;display:flex;flex-direction:column;gap:14px;min-width:0}
.news-feature-body h3{font-size:24px;transition:color .2s ease}
.news-feature:hover .news-feature-body h3{color:#0E7A5E}
.news-feature-body p{color:var(--t2);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:14px;font-size:13.5px;color:var(--t3);margin-top:auto}
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:24px}
.news-mini{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh);transition:box-shadow .24s ease,transform .24s ease;
}
.news-mini:hover{box-shadow:var(--sh-h);transform:translateY(-3px)}
.news-mini-media{aspect-ratio:16/9;overflow:hidden}
.news-mini-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-mini:hover .news-mini-media img{transform:scale(1.04)}
.news-mini-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-mini-body h3{font-size:16.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-mini:hover .news-mini-body h3{color:#0E7A5E}
.news-mini-body p{font-size:13.8px;line-height:1.7;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-line{width:24px;height:3px;border-radius:3px;background:var(--lime);opacity:0;transition:opacity .2s ease}
.news-mini:hover .mini-line{opacity:1}
.empty-state{
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:56px 32px;text-align:center;box-shadow:var(--sh);
}
.empty-art{
  width:96px;height:96px;margin:0 auto 20px;border-radius:26px;
  background:var(--mist);position:relative;overflow:hidden;border:1px solid var(--line);
}
.empty-art::after{
  content:"";position:absolute;right:-16px;bottom:-16px;width:64px;height:64px;border-radius:50%;background:var(--grad);opacity:.5;
}
.empty-state p{color:var(--t2);margin-bottom:20px}

/* ---------- 咨询表单 ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start}
.contact-points li{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line)}
.contact-points li:last-child{border-bottom:0}
.contact-points .p-ico{
  width:38px;height:38px;border-radius:12px;flex:none;display:grid;place-items:center;
  background:rgba(169,240,58,.2);color:#3F6B0B;
}
.contact-points strong{display:block;font-size:16px;margin-bottom:4px}
.contact-points span{font-size:14.5px;color:var(--t2)}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:10px}
.field label .req{color:var(--orange);margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#FBFDF9;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:110px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--lime);background:#fff;box-shadow:0 0 0 4px rgba(169,240,58,.22);
}
.field.has-error input,.field.has-error select{border-color:var(--orange);box-shadow:0 0 0 4px rgba(255,106,44,.14)}
.field .tip{font-size:12.8px;color:var(--t3);margin-top:8px}
.field.has-error .tip{color:#B63F0D}
.form-note{font-size:12.8px;color:var(--t3);margin-top:16px;line-height:1.7}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-left:3px solid transparent;
  border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;box-shadow:var(--sh);
  transition:border-color .2s ease;
}
.faq-item.is-open{border-left-color:var(--lime)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:700;min-height:48px;
}
.faq-q .chev{
  width:26px;height:26px;flex:none;border-radius:50%;display:grid;place-items:center;
  background:rgba(20,210,160,.14);color:#0E7A5E;font-size:15px;font-weight:700;
  transition:transform .2s ease,background .2s ease;
}
.faq-item.is-open .faq-q .chev{transform:rotate(45deg);background:rgba(169,240,58,.35);color:#3F6B0B}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a-inner{padding:0 24px 22px;color:var(--t2);font-size:15px}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--night);color:var(--inv);padding:52px;
  display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;
  box-shadow:0 30px 60px -34px rgba(12,22,17,.85);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(520px 240px at 90% 8%,rgba(169,240,58,.2),transparent 70%),
             radial-gradient(480px 240px at 4% 96%,rgba(20,210,160,.18),transparent 72%);
}
.cta-band > *{position:relative}
.cta-band h2{font-size:clamp(24px,3vw,32px);margin:14px 0 10px}
.cta-band p{color:rgba(247,251,244,.8);font-size:15.5px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--night);color:var(--inv);padding:76px 0 26px;margin-top:0}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{color:var(--inv);font-size:18px}
.footer-brand p{color:rgba(247,251,244,.66);font-size:14.5px;margin-top:16px;max-width:40ch;line-height:1.8}
.footer-col h4{font-size:14px;color:var(--lime);letter-spacing:.02em;margin-bottom:16px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14.5px;color:rgba(247,251,244,.78);transition:color .2s ease}
.footer-col a:hover{color:var(--lime)}
.footer-col .f-note{font-size:14.5px;color:rgba(247,251,244,.78);line-height:1.8}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:rgba(247,251,244,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .step-benefits{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1024px){
  :root{--sec:72px}
  .hero{padding:128px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-media{max-width:640px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .limited-inner{grid-template-columns:1fr;gap:32px}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;gap:26px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .nav-links,.nav-actions .btn{display:none}
  .nav-toggle{display:inline-flex}
  .nav{height:64px}
  .site-header.is-stuck .nav{height:60px}
  .news-feature{grid-template-columns:1fr}
  .news-feature-media{min-height:220px}
}
@media (max-width:767px){
  :root{--sec:56px}
  .container{padding:0 18px}
  body{font-size:16px}
  .hero{padding:112px 0 52px}
  .hero h1{font-size:31px}
  .hero-stats{gap:22px}
  .hero-badge{width:104px;height:104px;right:8px;bottom:8px}
  .hero-badge b{font-size:24px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:30px}
  .metrics{grid-template-columns:1fr;gap:16px}
  .ladder{padding-left:32px}
  .ladder::before{left:9px}
  .ladder-step::before{left:-30px;width:13px;height:13px}
  .ladder-step:nth-child(1) .step-card,
  .ladder-step:nth-child(2) .step-card,
  .ladder-step:nth-child(3) .step-card,
  .ladder-step:nth-child(4) .step-card{margin-left:0}
  .step-card{padding:22px;border-radius:var(--r-md)}
  .step-benefits{grid-template-columns:1fr}
  .matrix-wrap{display:none}
  .plan-acc{display:block}
  .limited,.cta-band{padding:28px 22px;border-radius:var(--r-md)}
  .countdown{gap:10px}
  .cd-box{min-width:0;flex:1}
  .cd-box .cd-num{font-size:28px}
  .news-grid{grid-template-columns:1fr}
  .news-feature-body{padding:22px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .hero-cta .btn{width:100%}
  .hero-stats{flex-direction:column;gap:14px}
  .step-top{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --lime:#A9F03A;
  --cyan:#14D2A0;
  --orange:#FF6A2C;
  --night:#0C1611;
  --mist:#F4F8F1;
  --card:#FFFFFF;
  --ink:#10190F;
  --ink-2:#56635B;
  --ink-3:#8A968E;
  --line:#E3EBE0;
  --line-dark:rgba(255,255,255,.12);
  --brand-grad:linear-gradient(120deg,#A9F03A 0%,#14D2A0 52%,#FF6A2C 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh:0 14px 34px -20px rgba(12,22,17,.28);
  --sh-hover:0 22px 46px -20px rgba(12,22,17,.36);
  --sec-space:96px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--mist);
  letter-spacing:0;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
body.no-scroll{overflow:hidden;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:90;
  background:rgba(12,22,17,.28);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  box-shadow:0 10px 30px -18px rgba(0,0,0,.45);
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header .nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:76px;
  transition:height .24s ease;
}
.site-header.is-solid{
  background:rgba(244,248,241,.94);
  -webkit-backdrop-filter:blur(10px) saturate(130%);
  backdrop-filter:blur(10px) saturate(130%);
  border-bottom:1px solid var(--line);
  box-shadow:0 12px 30px -22px rgba(12,22,17,.5);
}
.site-header.is-solid .nav{height:64px;}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:18px;
  color:#F7FBF4;
  white-space:nowrap;
  transition:color .24s ease;
}
.site-header.is-solid .logo{color:var(--ink);}
.logo-mark{
  width:26px;height:26px;
  border-radius:9px;
  background:var(--brand-grad);
  box-shadow:0 0 0 1px rgba(255,255,255,.25) inset;
  flex:0 0 auto;
}
.logo-text{letter-spacing:0;}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  font-size:15px;
  font-weight:500;
  color:rgba(247,251,244,.86);
  border-radius:var(--r-pill);
  transition:color .2s ease,background .2s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:50%;bottom:8px;
  width:0;height:2px;
  background:var(--lime);
  border-radius:2px;
  transform:translateX(-50%);
  transition:width .24s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-links a:hover::after{width:22px;}
.nav-links a.is-active{color:#fff;background:rgba(169,240,58,.16);}
.nav-links a.is-active::after{width:26px;}
.site-header.is-solid .nav-links a{color:var(--ink-2);}
.site-header.is-solid .nav-links a:hover{color:var(--ink);background:var(--mist);}
.site-header.is-solid .nav-links a.is-active{color:var(--ink);background:rgba(169,240,58,.24);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:44px;height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-pill);
  color:#F7FBF4;
  cursor:pointer;
  transition:background .2s ease,transform .2s ease,color .24s ease,border-color .24s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.2);transform:translateY(-1px);}
.site-header.is-solid .icon-btn{background:#fff;border-color:var(--line);color:var(--ink);}
.site-header.is-solid .icon-btn:hover{background:var(--mist);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-sm);
  color:#F7FBF4;
  cursor:pointer;
}
.site-header.is-solid .nav-toggle{background:#fff;border-color:var(--line);color:var(--ink);}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 24px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease,filter .2s ease;
  min-height:48px;
}
.btn-primary{
  background:var(--lime);
  color:var(--night);
  box-shadow:0 12px 26px -16px rgba(169,240,58,.9);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:#F7FBF4;
  border-color:rgba(255,255,255,.42);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-1px);}
.btn-outline{
  background:transparent;
  color:var(--ink);
  border-color:var(--ink);
}
.btn-outline:hover{background:var(--mist);transform:translateY(-1px);}
.btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed;}

/* 移动抽屉 */
.mobile-menu{
  position:fixed;
  inset:0;
  z-index:80;
  background:rgba(12,22,17,.96);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  padding:92px 18px 24px;
  display:none;
  flex-direction:column;
  gap:6px;
  overflow-y:auto;
}
.mobile-menu.is-open{display:flex;}
.mobile-menu a.m-link{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 14px;
  border-radius:var(--r-sm);
  color:#F7FBF4;
  font-size:17px;
  font-weight:500;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-menu a.m-link:hover,.mobile-menu a.m-link.is-active{background:rgba(169,240,58,.16);}
.mobile-menu .m-cta{
  margin-top:auto;
  position:sticky;
  bottom:0;
}
.mobile-menu .m-cta .btn{width:100%;}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  padding:150px 0 64px;
  background-color:var(--night);
  background-image:linear-gradient(140deg,rgba(12,22,17,.94) 0%,rgba(12,22,17,.72) 52%,rgba(20,210,160,.30) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  color:#F7FBF4;
  overflow:hidden;
}
.article-hero::after{
  content:"";
  position:absolute;
  right:-120px;top:-80px;
  width:420px;height:420px;
  background:var(--brand-grad);
  opacity:.16;
  filter:blur(60px);
  border-radius:50%;
  pointer-events:none;
}
.crumbs{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:14px;
  color:rgba(247,251,244,.7);
  margin-bottom:20px;
}
.crumbs a{color:rgba(247,251,244,.86);}
.crumbs a:hover{color:var(--lime);}
.crumbs .sep{color:rgba(247,251,244,.45);}
.crumbs .back-link{display:none;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:10px;
  background:rgba(169,240,58,.16);
  border:1px solid rgba(169,240,58,.4);
  color:var(--lime);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.4px;
  margin-bottom:18px;
}
.article-hero h1{
  font-size:46px;
  line-height:1.24;
  font-weight:800;
  max-width:900px;
  position:relative;
  z-index:2;
}
.article-hero h1::after{
  content:"";
  display:block;
  width:76px;
  height:4px;
  margin-top:20px;
  border-radius:4px;
  background:var(--brand-grad);
}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px 18px;
  margin-top:24px;
  padding-top:24px;
  border-top:1px solid var(--line-dark);
  font-size:14px;
  color:rgba(247,251,244,.72);
  position:relative;
  z-index:2;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:10px;
  font-size:12.5px;
  font-weight:600;
  background:rgba(255,255,255,.10);
  border:1px solid var(--line-dark);
  color:#F7FBF4;
}
.chip-accent{
  background:rgba(169,240,58,.18);
  border-color:rgba(169,240,58,.45);
  color:var(--lime);
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(247,251,244,.4);display:inline-block;}

/* ============ 主体布局 ============ */
.article-main{
  background:var(--mist);
  padding:64px 0 var(--sec-space);
}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;
  align-items:start;
}
.article-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh);
  padding:44px 48px;
}
.article-body{
  max-width:760px;
  font-size:17px;
  line-height:1.85;
  color:#1b241c;
}
.article-body p{margin:0 0 20px;}
.article-body h2{
  font-size:28px;
  line-height:1.35;
  font-weight:800;
  margin:40px 0 16px;
  padding-left:14px;
  border-left:4px solid var(--lime);
  color:var(--ink);
}
.article-body h3{
  font-size:22px;
  font-weight:800;
  margin:32px 0 12px;
  color:var(--ink);
}
.article-body h4{font-size:18px;font-weight:700;margin:24px 0 10px;}
.article-body ul,.article-body ol{padding-left:24px;margin:0 0 20px;}
.article-body ul li{list-style:disc;margin:0 0 10px;}
.article-body ol li{list-style:decimal;margin:0 0 10px;}
.article-body strong{font-weight:700;color:var(--ink);}
.article-body a{color:#0f8a68;text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--night);}
.article-body blockquote{
  margin:0 0 22px;
  padding:18px 22px;
  background:var(--mist);
  border-left:3px solid var(--cyan);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:100%;
  border-radius:var(--r-md);
  margin:0 0 10px;
}
.article-body figure{margin:0 0 26px;}
.article-body figcaption{
  font-size:14px;
  color:var(--ink-3);
  text-align:center;
  line-height:1.6;
}
.article-body code{
  background:var(--mist);
  border:1px solid var(--line);
  padding:2px 6px;
  border-radius:6px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:.92em;
}
.article-body pre{
  background:var(--night);
  color:#E8F5E3;
  padding:18px 20px;
  border-radius:var(--r-sm);
  overflow-x:auto;
  margin:0 0 22px;
  font-size:14.5px;
  line-height:1.7;
}
.article-body pre code{background:none;border:0;color:inherit;padding:0;}
.article-body .table-wrap{overflow-x:auto;margin:0 0 24px;border:1px solid var(--line);border-radius:var(--r-sm);}
.article-body table{
  width:100%;
  min-width:520px;
  border-collapse:collapse;
  font-size:15px;
}
.article-body th,.article-body td{
  padding:12px 16px;
  border-bottom:1px solid var(--line);
  text-align:left;
}
.article-body thead th{background:var(--night);color:#F7FBF4;font-weight:700;border-bottom:0;}
.article-body tbody tr:nth-child(even){background:var(--mist);}
.article-body tbody tr:last-child td{border-bottom:0;}

/* 空态 */
.empty-state{
  text-align:center;
  padding:56px 24px;
  background:var(--mist);
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
}
.empty-illust{
  width:96px;height:96px;
  margin:0 auto 20px;
  border-radius:26px;
  background:linear-gradient(135deg,rgba(169,240,58,.35),rgba(20,210,160,.28));
  display:flex;align-items:center;justify-content:center;
}
.empty-state h2{font-size:22px;font-weight:800;margin-bottom:10px;}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:22px;}

/* 标签行 */
.tag-row{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin-top:44px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.tag-row .tag-label{font-size:14px;color:var(--ink-3);}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  border-radius:10px;
  background:var(--mist);
  border:1px solid var(--line);
  font-size:13px;
  color:var(--ink-2);
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.tag:hover{background:rgba(169,240,58,.22);border-color:rgba(169,240,58,.6);color:var(--ink);transform:translateY(-1px);}

/* 上下篇 */
.prev-next{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
  margin-top:32px;
}
.pn-card{
  display:block;
  padding:22px 24px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pn-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(169,240,58,.6);}
.pn-card .pn-label{display:block;font-size:12.5px;color:var(--ink-3);margin-bottom:8px;}
.pn-card .pn-title{font-size:16px;font-weight:700;line-height:1.5;color:var(--ink);}
.pn-card .pn-foot{margin-top:14px;font-size:13px;color:#0f8a68;font-weight:600;}

/* 侧栏 */
.sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:96px;}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh);
  padding:24px;
}
.side-card h3{
  font-size:16px;
  font-weight:800;
  margin-bottom:16px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-card h3::before{
  content:"";
  width:8px;height:8px;
  border-radius:3px;
  background:var(--brand-grad);
}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:280px;overflow-y:auto;}
.toc-link{
  display:block;
  padding:8px 10px;
  font-size:14px;
  color:var(--ink-2);
  border-radius:10px;
  border-left:2px solid transparent;
  line-height:1.5;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.toc-link:hover{background:var(--mist);color:var(--ink);border-left-color:var(--lime);}
.key-list{display:flex;flex-direction:column;gap:12px;}
.key-list li{
  display:flex;
  gap:10px;
  font-size:14.5px;
  line-height:1.65;
  color:var(--ink-2);
}
.key-list li::before{
  content:"";
  flex:0 0 auto;
  width:16px;height:16px;
  margin-top:4px;
  border-radius:50%;
  background:radial-gradient(circle at 50% 50%,var(--lime) 0 42%,rgba(169,240,58,.28) 44% 100%);
}
.rec-list{display:flex;flex-direction:column;gap:14px;}
.rec-item{
  display:grid;
  grid-template-columns:72px minmax(0,1fr);
  gap:12px;
  align-items:center;
}
.rec-thumb{
  width:72px;height:56px;
  border-radius:12px;
  overflow:hidden;
  background:var(--mist);
  border:1px solid var(--line);
}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.rec-item:hover .rec-thumb img{transform:scale(1.06);}
.rec-item .rec-title{
  font-size:14px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rec-item:hover .rec-title{color:#0f8a68;}
.side-cta{
  background:var(--night);
  border:1px solid var(--line-dark);
  color:#F7FBF4;
  background-image:radial-gradient(circle at 90% 0%,rgba(20,210,160,.28),transparent 62%);
}
.side-cta h3{color:#F7FBF4;}
.side-cta p{font-size:14px;color:rgba(247,251,244,.74);margin-bottom:16px;line-height:1.7;}
.side-cta .btn{width:100%;}

/* ============ 相关推荐 ============ */
.related{
  padding:var(--sec-space) 0 0;
}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.sec-head .label{
  display:inline-block;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:1px;
  color:#0f8a68;
  margin-bottom:10px;
}
.sec-head h2{font-size:32px;font-weight:800;line-height:1.3;}
.sec-head p{font-size:15px;color:var(--ink-2);margin-top:10px;max-width:560px;}
.sec-head .more{
  font-size:14.5px;
  font-weight:600;
  color:#0f8a68;
  white-space:nowrap;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.sec-head .more:hover{color:var(--ink);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rcard{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh);
  overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.rcard:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(169,240,58,.55);}
.rcard .thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--mist);
}
.rcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rcard:hover .thumb img{transform:scale(1.04);}
.rcard .thumb::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,22,17,0) 45%,rgba(12,22,17,.55) 100%);
}
.rcard .body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.rcard .badge{
  align-self:flex-start;
  padding:5px 12px;
  border-radius:10px;
  background:rgba(169,240,58,.22);
  color:#3f6b12;
  font-size:12.5px;
  font-weight:600;
}
.rcard h3{font-size:18px;font-weight:700;line-height:1.5;}
.rcard p{font-size:14.5px;line-height:1.7;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rcard .arrow{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:#0f8a68;
}
.rcard:hover .arrow{color:var(--ink);}
.rcard .arrow-line{
  width:24px;height:2px;
  background:var(--lime);
  border-radius:2px;
  display:inline-block;
  transition:width .24s ease;
}
.rcard:hover .arrow-line{width:38px;}

/* ============ CTA ============ */
.cta-band{
  margin-top:var(--sec-space);
  padding:72px 0;
  background:var(--night);
  color:#F7FBF4;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(169,240,58,.10),rgba(20,210,160,.06) 55%,rgba(255,106,44,.10));
  pointer-events:none;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-100px;bottom:-140px;
  width:380px;height:380px;
  border-radius:50%;
  background:var(--brand-grad);
  opacity:.16;
  filter:blur(70px);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:32px;font-weight:800;line-height:1.32;max-width:640px;}
.cta-inner p{margin-top:14px;font-size:15.5px;color:rgba(247,251,244,.76);max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--night);
  color:rgba(247,251,244,.78);
  border-top:1px solid transparent;
  border-image:var(--brand-grad) 1;
  padding:72px 0 28px;
  position:relative;
}
.site-footer .footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .logo{color:#F7FBF4;margin-bottom:18px;}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(247,251,244,.66);max-width:340px;}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:#F7FBF4;
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col ul a{font-size:14.5px;color:rgba(247,251,244,.7);transition:color .2s ease,padding-left .2s ease;}
.footer-col ul a:hover{color:var(--lime);padding-left:4px;}
.f-note{font-size:14.5px;color:rgba(247,251,244,.7);margin-bottom:10px;line-height:1.75;}
.footer-bottom{
  margin-top:52px;
  padding-top:24px;
  border-top:1px solid var(--line-dark);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:rgba(247,251,244,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:36px;}
}
@media (max-width:1100px){
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .sidebar{position:static;}
  .article-panel{padding:36px 32px;}
  .article-hero h1{font-size:38px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  :root{--sec-space:72px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .site-footer .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-hero{padding:130px 0 56px;}
  .article-hero h1{font-size:34px;}
  .sec-head h2{font-size:28px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  :root{--sec-space:56px;}
  .site-header .nav{height:64px;}
  .nav-actions .btn-primary{display:none;}
  .article-hero{padding:112px 0 44px;}
  .article-hero h1{font-size:30px;}
  .article-meta{gap:8px 12px;font-size:13px;}
  .article-panel{padding:26px 20px;border-radius:var(--r-md);}
  .article-body{font-size:16px;line-height:1.8;}
  .article-body h2{font-size:22px;margin-top:32px;}
  .article-body h3{font-size:19px;}
  .crumbs .full-path{display:none;}
  .crumbs .back-link{display:inline-flex;}
  .prev-next{grid-template-columns:minmax(0,1fr);}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .sec-head{flex-direction:column;align-items:flex-start;}
  .sec-head h2{font-size:24px;}
  .cta-band{padding:56px 0;}
  .cta-inner h2{font-size:24px;}
  .cta-actions .btn{width:100%;}
  .site-footer{padding:56px 0 24px;}
  .site-footer .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .article-hero h1{font-size:27px;}
  .logo{font-size:16px;}
  .article-panel{padding:22px 16px;}
  .side-card{padding:20px;}
}

/* roulang page: category1 */
:root{
  --lime:#A9F03A;
  --cyan:#14D2A0;
  --orange:#FF6A2C;
  --ink:#0C1611;
  --bg:#F4F8F1;
  --card:#FFFFFF;
  --t1:#10190F;
  --t2:#56635B;
  --t3:#8A968E;
  --tw:#F7FBF4;
  --line:#E3EBE0;
  --line-dark:rgba(255,255,255,.12);
  --grad:linear-gradient(120deg,#A9F03A 0%,#14D2A0 52%,#FF6A2C 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh1:0 14px 34px -20px rgba(12,22,17,.28);
  --sh2:0 22px 46px -20px rgba(12,22,17,.36);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--bg);
  letter-spacing:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{font-weight:800;line-height:1.25}
strong{font-weight:800}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.nums{font-variant-numeric:tabular-nums}
body.no-scroll{overflow:hidden}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:var(--r-pill);
  font-weight:600;font-size:15px;line-height:1;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 12px 26px -16px rgba(169,240,58,.9)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{border:1px solid rgba(16,25,15,.35);color:var(--t1)}
.btn-outline:hover{background:#E8F1E2}
.btn-ghost{border:1px solid rgba(255,255,255,.55);color:var(--tw)}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(12,22,17,.34);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  box-shadow:0 10px 30px -18px rgba(0,0,0,.45);
  transition:background .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled{
  background:rgba(244,248,241,.92);
  backdrop-filter:blur(10px) saturate(140%);
  -webkit-backdrop-filter:blur(10px) saturate(140%);
  border-bottom-color:var(--line);
  box-shadow:0 14px 30px -24px rgba(12,22,17,.5);
}
.nav{display:flex;align-items:center;gap:28px;height:76px;transition:height .24s ease}
.site-header.is-scrolled .nav{height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--tw);flex-shrink:0}
.site-header.is-scrolled .logo{color:var(--t1)}
.logo-mark{width:22px;height:22px;border-radius:8px;background:var(--grad);box-shadow:0 6px 16px -8px rgba(20,210,160,.9)}
.logo-text{letter-spacing:0}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-links a{
  position:relative;font-size:15px;color:rgba(247,251,244,.86);padding:6px 0;
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:0;height:2px;width:0;background:var(--lime);
  transform:translateX(-50%);transition:width .24s ease;border-radius:2px;
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{width:100%}
.nav-links a.is-active{color:var(--lime)}
.nav-links a.is-active::after{width:100%}
.site-header.is-scrolled .nav-links a{color:var(--t2)}
.site-header.is-scrolled .nav-links a:hover{color:var(--t1)}
.site-header.is-scrolled .nav-links a.is-active{color:var(--t1)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;
  color:rgba(247,251,244,.9);border:1px solid rgba(255,255,255,.22);transition:background .2s ease,color .2s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.14)}
.site-header.is-scrolled .icon-btn{color:var(--t2);border-color:var(--line)}
.site-header.is-scrolled .icon-btn:hover{background:#E8F1E2;color:var(--t1)}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:12px;color:var(--tw);border:1px solid rgba(255,255,255,.22)}
.site-header.is-scrolled .nav-toggle{color:var(--t1);border-color:var(--line)}

/* ---------- 移动抽屉 ---------- */
.mobile-menu{
  position:fixed;top:64px;left:0;right:0;bottom:0;z-index:55;
  background:#FFFFFF;border-top:1px solid var(--line);
  display:flex;flex-direction:column;gap:4px;padding:18px 24px 96px;
  overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
}
.mobile-menu.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-menu a{display:flex;align-items:center;min-height:48px;font-size:16px;color:var(--t1);border-radius:12px;padding:0 12px}
.mobile-menu a:hover,.mobile-menu a.is-active{background:var(--bg);color:var(--t1)}
.mobile-menu a.is-active{box-shadow:inset 3px 0 0 var(--lime)}
.mobile-menu .m-cta{
  position:sticky;bottom:0;margin-top:auto;background:#fff;padding-top:12px;
}
.mobile-menu .m-cta .btn{width:100%}

/* ---------- 分类页 Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink);color:var(--tw);padding:150px 0 76px}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.34;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(12,22,17,.95) 0%,rgba(12,22,17,.76) 46%,rgba(12,22,17,.44) 100%);
}
.page-hero .container{position:relative;z-index:2}
.hero-stripes{
  position:absolute;right:-60px;top:40px;width:420px;height:420px;z-index:1;opacity:.22;
  background:repeating-linear-gradient(115deg,rgba(169,240,58,.9) 0 2px,transparent 2px 16px);
  border-radius:40px;transform:rotate(8deg);
}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:rgba(247,251,244,.72);margin-bottom:22px}
.breadcrumb a{color:rgba(247,251,244,.86)}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{color:rgba(247,251,244,.45)}
.breadcrumb em{font-style:normal;color:var(--lime)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  padding:7px 14px;border-radius:10px;color:var(--lime);
  background:rgba(169,240,58,.12);border:1px solid rgba(169,240,58,.36);
}
.page-hero h1{
  font-size:50px;line-height:1.18;margin:20px 0 20px;letter-spacing:0;
}
.page-hero h1 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:17px;color:rgba(247,251,244,.82);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-points{display:flex;flex-wrap:wrap;gap:32px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line-dark)}
.hero-points li{font-size:14px;color:rgba(247,251,244,.7)}
.hero-points b{display:block;font-size:24px;color:var(--tw);font-variant-numeric:tabular-nums;font-weight:800;margin-bottom:2px}
.hero-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:0 30px 60px -34px rgba(0,0,0,.75)}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(169,240,58,.32) 0%,rgba(20,210,160,.2) 48%,rgba(255,106,44,.16) 100%);
  mix-blend-mode:screen;
}
.hero-badge{
  position:absolute;right:18px;bottom:18px;z-index:3;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  width:118px;height:118px;border-radius:50%;
  background:rgba(12,22,17,.86);color:var(--tw);
  border:1px solid transparent;
  background-clip:padding-box;
  box-shadow:0 18px 34px -20px rgba(0,0,0,.9);
  text-align:center;
}
.hero-badge::before{
  content:"";position:absolute;inset:-1px;border-radius:50%;background:var(--grad);z-index:-1;
}
.hero-badge b{font-size:22px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums}
.hero-badge span{font-size:12px;color:rgba(247,251,244,.7);margin-top:4px}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;top:64px;z-index:45;
  background:rgba(244,248,241,.95);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.anchor-bar ul{display:flex;gap:30px;overflow-x:auto;padding:14px 0;scrollbar-width:none}
.anchor-bar ul::-webkit-scrollbar{display:none}
.anchor-bar a{
  font-size:14.5px;color:var(--t2);white-space:nowrap;padding:4px 0;position:relative;transition:color .2s ease;
}
.anchor-bar a::after{content:"";position:absolute;left:0;bottom:-4px;height:2px;width:0;background:var(--cyan);transition:width .22s ease}
.anchor-bar a:hover{color:var(--t1)}
.anchor-bar a:hover::after{width:100%}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0}
.section-head{max-width:720px;margin-bottom:44px}
.section-head .tag{
  display:inline-block;font-size:13px;font-weight:600;color:#0F7A5F;
  background:rgba(20,210,160,.12);border:1px solid rgba(20,210,160,.3);
  padding:6px 13px;border-radius:10px;margin-bottom:16px;
}
.section-head h2{font-size:34px;line-height:1.28}
.section-head .sub{margin-top:14px;color:var(--t2);font-size:16px}
.section-head .rule{width:56px;height:4px;border-radius:4px;background:var(--grad);margin-top:18px}

/* ---------- 左右分栏 ---------- */
.split-layout{display:grid;grid-template-columns:308px minmax(0,1fr);gap:44px;align-items:start}
.sticky-side{position:sticky;top:136px;display:grid;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh1);
}
.side-card h3{font-size:18px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.side-card h3::before{content:"";width:6px;height:18px;border-radius:4px;background:var(--grad)}
.side-list li{display:flex;gap:10px;font-size:14.5px;line-height:1.7;color:var(--t2);padding:7px 0}
.side-list li::before{content:"";flex:none;width:7px;height:7px;border-radius:50%;margin-top:8px;background:var(--cyan)}
.side-note{
  margin-top:4px;font-size:14px;color:var(--t2);line-height:1.75;
  background:var(--bg);border:1px dashed var(--line);border-radius:var(--r-sm);padding:14px 16px;
}
.side-cta{display:block;width:100%;margin-top:16px}

/* ---------- 长卡列表流 ---------- */
.card-stream{display:grid;gap:24px}
.stream-card{
  display:grid;grid-template-columns:268px minmax(0,1fr);gap:26px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh1);
  transition:box-shadow .24s ease,transform .24s ease,border-color .24s ease;
}
.stream-card:hover{box-shadow:var(--sh2);transform:translateY(-2px);border-color:rgba(169,240,58,.6)}
.stream-thumb{border-radius:var(--r-md);overflow:hidden;background:#E8F1E2;aspect-ratio:16/11;position:relative}
.stream-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.stream-card:hover .stream-thumb img{transform:scale(1.04)}
.stream-body{display:flex;flex-direction:column;min-width:0}
.tag-chip{
  display:inline-flex;align-items:center;font-size:12.5px;font-weight:600;
  padding:5px 11px;border-radius:10px;background:rgba(20,210,160,.13);color:#0F7A5F;
  border:1px solid rgba(20,210,160,.28);width:fit-content;
}
.stream-body h3{
  font-size:21px;line-height:1.4;margin:12px 0 10px;position:relative;transition:color .2s ease;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.stream-card:hover .stream-body h3{color:#0F3A2C}
.stream-body h3::before{
  content:"";position:absolute;left:0;bottom:-12px;width:0;height:3px;border-radius:3px;background:var(--lime);
  transition:width .28s ease;
}
.stream-card:hover .stream-body h3::before{width:24px}
.key-list{margin:22px 0 0;display:grid;gap:6px}
.key-list li{display:flex;gap:9px;font-size:14.5px;line-height:1.7;color:var(--t2)}
.key-list li::before{content:"";flex:none;width:6px;height:6px;border-radius:50%;margin-top:9px;background:var(--lime)}
.stream-meta{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:auto;padding-top:18px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--t3);
}
.stream-meta .more{margin-left:auto;color:var(--t1);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.stream-meta .more:hover{color:#0F7A5F}
.stream-meta .more::after{content:"→";transition:transform .2s ease}
.stream-meta .more:hover::after{transform:translateX(3px)}

/* ---------- 节奏带 ---------- */
.rhythm-band{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.rhythm-list{display:grid;gap:0}
.rhythm-item{
  display:grid;grid-template-columns:110px minmax(0,1fr) 240px;gap:28px;align-items:center;
  padding:28px 0;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.rhythm-item:last-child{border-bottom:0}
.rhythm-item:hover{background:rgba(169,240,58,.07)}
.rhythm-num{
  font-size:34px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1;
}
.rhythm-item h3{font-size:20px;margin-bottom:6px}
.rhythm-item p{font-size:15px;color:var(--t2);line-height:1.7}
.rhythm-side{
  justify-self:end;font-size:13.5px;color:var(--t2);text-align:right;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 16px;
}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:var(--tw);
  border-radius:var(--r-lg);padding:56px 52px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:center;
  box-shadow:0 30px 60px -40px rgba(12,22,17,.9);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(169,240,58,.18) 0%,rgba(20,210,160,.14) 50%,transparent 80%);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;
  background:repeating-linear-gradient(120deg,rgba(255,255,255,.12) 0 1px,transparent 1px 14px);
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:32px;line-height:1.3;margin-bottom:14px}
.cta-band p{color:rgba(247,251,244,.78);font-size:16px;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-limits{margin-top:18px;font-size:13.5px;color:rgba(247,251,244,.6)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-left:3px solid transparent;
  border-radius:var(--r-md);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-left-color:var(--lime);box-shadow:var(--sh1)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--t1);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  margin-left:auto;flex:none;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--bg);border:1px solid var(--line);color:var(--t2);font-size:16px;line-height:1;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--lime);color:var(--ink);border-color:var(--lime)}
.faq-body{padding:0 24px 22px 24px;color:var(--t2);font-size:15.5px;line-height:1.8;animation:faqIn .2s ease both}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--sec);background:var(--ink);color:rgba(247,251,244,.78);
  position:relative;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad)}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding:72px 0 48px;
}
.footer-brand .logo{color:var(--tw);margin-bottom:18px}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(247,251,244,.66);max-width:340px}
.footer-col h4{font-size:16px;color:var(--tw);margin-bottom:18px}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14.5px;color:rgba(247,251,244,.72);transition:color .2s ease}
.footer-col a:hover{color:var(--lime)}
.f-note{font-size:14px;color:rgba(247,251,244,.66);margin-bottom:10px;line-height:1.7}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:22px 0 34px;border-top:1px solid var(--line-dark);
  font-size:13.5px;color:rgba(247,251,244,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1120px;padding:0 28px}
  .page-hero h1{font-size:46px}
  .split-layout{grid-template-columns:280px minmax(0,1fr);gap:32px}
}
@media (max-width:1024px){
  :root{--sec:72px}
  .container{max-width:100%;padding:0 24px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .page-hero{padding:132px 0 62px}
  .page-hero h1{font-size:40px}
  .split-layout{grid-template-columns:1fr;gap:28px}
  .sticky-side{position:static}
  .stream-card{grid-template-columns:220px minmax(0,1fr)}
  .rhythm-item{grid-template-columns:80px minmax(0,1fr);gap:20px}
  .rhythm-side{grid-column:2;justify-self:start;text-align:left}
  .cta-band{grid-template-columns:1fr;padding:44px 36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;padding:56px 0 36px}
}
@media (max-width:900px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav .btn-primary{display:none}
  .nav{height:64px;gap:16px}
  .site-header.is-scrolled .nav{height:64px}
  .anchor-bar{top:64px}
}
@media (max-width:767px){
  :root{--sec:56px}
  .container{padding:0 18px}
  .page-hero{padding:112px 0 52px}
  .page-hero h1{font-size:32px}
  .hero-lead{font-size:16px}
  .hero-points{gap:20px}
  .hero-points li{font-size:13.5px}
  .hero-points b{font-size:20px}
  .hero-badge{width:96px;height:96px;right:12px;bottom:12px}
  .hero-badge b{font-size:18px}
  .section-head h2{font-size:24px}
  .section-head .sub{font-size:15px}
  .stream-card{grid-template-columns:1fr;padding:18px}
  .stream-thumb{aspect-ratio:16/9}
  .stream-body h3{font-size:19px}
  .rhythm-item{grid-template-columns:1fr;gap:10px;padding:22px 0}
  .rhythm-num{font-size:26px}
  .rhythm-side{grid-column:1}
  .cta-band{padding:32px 22px;border-radius:var(--r-md)}
  .cta-band h2{font-size:24px}
  .cta-actions .btn{width:100%}
  .faq-item summary{padding:17px 18px;font-size:16px;gap:12px}
  .faq-body{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding:46px 0 30px}
  .footer-bottom{flex-direction:column;gap:8px;font-size:13px}
  .side-card{padding:20px}
  .anchor-bar ul{gap:22px;padding:12px 0}
}
@media (max-width:520px){
  .page-hero h1{font-size:29px}
  .eyebrow{font-size:12px}
  .hero-actions .btn{width:100%}
  .stream-meta{gap:10px}
  .stream-meta .more{margin-left:0;width:100%}
}

/* roulang page: category3 */
:root{
  --lime:#A9F03A;
  --cyan:#14D2A0;
  --orange:#FF6A2C;
  --ink:#10190F;
  --muted:#56635B;
  --weak:#8A968E;
  --dark:#0C1611;
  --paper:#F4F8F1;
  --card:#FFFFFF;
  --line:#E3EBE0;
  --inv:#F7FBF4;
  --grad:linear-gradient(120deg,#A9F03A 0%,#14D2A0 52%,#FF6A2C 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh:0 14px 34px -20px rgba(12,22,17,.28);
  --sh-h:0 22px 46px -20px rgba(12,22,17,.36);
  --navh:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  font-weight:400;
  letter-spacing:0;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:0}
p{margin:0}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(12,22,17,.28);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  box-shadow:0 10px 30px -18px rgba(0,0,0,.45);
  transition:background .24s ease,height .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.is-scrolled{
  background:rgba(244,248,241,.92);
  border-bottom-color:var(--line);
  box-shadow:0 12px 28px -20px rgba(12,22,17,.4);
}
.nav{display:flex;align-items:center;gap:28px;height:var(--navh);transition:height .24s ease}
.site-header.is-scrolled .nav{height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:12px;height:26px;border-radius:4px;background:var(--grad);display:inline-block}
.logo-text{font-size:18px;font-weight:800;color:var(--inv);letter-spacing:.2px;white-space:nowrap;transition:color .24s ease}
.site-header.is-scrolled .logo-text{color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-block;padding:10px 12px;font-size:14.5px;font-weight:600;color:rgba(247,251,244,.86);
  border-radius:999px;transition:color .2s ease,background .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:4px;height:2px;border-radius:2px;background:var(--lime);
  transition:left .24s ease,right .24s ease;
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after,.nav-links a.is-active::after{left:12px;right:12px}
.nav-links a.is-active{color:#fff}
.site-header.is-scrolled .nav-links a{color:var(--muted)}
.site-header.is-scrolled .nav-links a:hover,.site-header.is-scrolled .nav-links a.is-active{color:var(--ink)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.icon-btn{
  width:42px;height:42px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--inv);border:1px solid rgba(255,255,255,.22);transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:rgba(169,240,58,.16)}
.site-header.is-scrolled .icon-btn{color:var(--muted);border-color:var(--line)}
.site-header.is-scrolled .icon-btn:hover{background:var(--paper);color:var(--ink)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:999px;align-items:center;justify-content:center;color:var(--inv);border:1px solid rgba(255,255,255,.22)}
.site-header.is-scrolled .nav-toggle{color:var(--ink);border-color:var(--line)}

/* mobile drawer */
.mobile-menu{
  position:fixed;top:0;left:0;right:0;z-index:90;background:rgba(12,22,17,.97);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  padding:86px 22px 26px;display:none;flex-direction:column;gap:4px;
  max-height:100vh;overflow:auto;
}
.mobile-menu.is-open{display:flex}
.mobile-menu a.m-link{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:var(--r-sm);
  color:var(--inv);font-size:16px;font-weight:600;border:1px solid rgba(255,255,255,.1);
}
.mobile-menu a.m-link.is-active{color:var(--lime);border-color:rgba(169,240,58,.5)}
.mobile-menu .m-cta{margin-top:14px;width:100%;justify-content:center}
.m-close{position:absolute;top:18px;right:18px;width:44px;height:44px;border-radius:999px;border:1px solid rgba(255,255,255,.2);color:var(--inv);display:inline-flex;align-items:center;justify-content:center}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--dark);box-shadow:var(--sh)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-h);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(0);filter:brightness(.97)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:transparent}
.btn-ghost:hover{background:#fff;box-shadow:var(--sh)}
.btn-dark-ghost{border-color:rgba(255,255,255,.4);color:var(--inv);background:transparent}
.btn-dark-ghost:hover{background:rgba(255,255,255,.12)}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none}
.btn-block{width:100%}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;background:var(--dark);color:var(--inv);
  padding:150px 0 84px;
}
.page-hero .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.34}
.page-hero .hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(12,22,17,.94) 0%,rgba(12,22,17,.7) 46%,rgba(12,22,17,.86) 100%);
}
.page-hero .hero-stripe{
  position:absolute;inset:0;opacity:.35;
  background-image:repeating-linear-gradient(115deg,rgba(169,240,58,.16) 0 2px,transparent 2px 16px);
  mask-image:linear-gradient(180deg,transparent,#000 42%,transparent);
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 42%,transparent);
}
.page-hero .inner{position:relative;z-index:2;max-width:820px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(247,251,244,.72);margin-bottom:20px;flex-wrap:wrap}
.crumbs a:hover{color:var(--lime)}
.crumbs .sep{color:rgba(247,251,244,.4)}
.tag-pill{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:10px;
  font-size:12.5px;font-weight:600;letter-spacing:.4px;color:var(--lime);
  background:rgba(169,240,58,.1);border:1px solid rgba(169,240,58,.38);margin-bottom:20px;
}
.page-hero h1{font-size:48px;line-height:1.18;margin-bottom:20px;color:#fff}
.page-hero h1 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:17.5px;line-height:1.8;color:rgba(247,251,244,.82);max-width:660px}
.hero-line{width:88px;height:4px;border-radius:4px;background:var(--grad);margin:28px 0 0}
.hero-meta{display:flex;flex-wrap:wrap;gap:14px 30px;margin-top:32px}
.hero-meta div{display:flex;align-items:baseline;gap:8px;font-size:14px;color:rgba(247,251,244,.72)}
.hero-meta b{font-size:22px;font-weight:800;color:var(--lime);font-variant-numeric:tabular-nums}

/* ---------- anchor bar ---------- */
.anchor-bar{
  position:sticky;top:64px;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-inner a{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--muted);border:1px solid var(--line);background:#fff;white-space:nowrap;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.anchor-inner a:hover{color:var(--kind);color:var(--ink);border-color:var(--lime);background:rgba(169,240,58,.12)}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-paper{background:var(--paper)}
.section-white{background:#fff}
.section-head{max-width:720px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.6px;
  color:#4a7a1f;text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad);display:inline-block}
.section-head h2{font-size:34px;margin:14px 0 14px}
.section-head p{color:var(--muted);font-size:16px}

/* ---------- 2x2 card grid ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.svc-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  display:flex;flex-direction:column;gap:16px;
}
.svc-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--sh-h)}
.svc-top{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}
.svc-ico{
  width:46px;height:46px;border-radius:var(--r-sm);display:inline-flex;align-items:center;justify-content:center;
  background:rgba(20,210,160,.1);border:1px solid rgba(20,210,160,.35);color:#0f7f61;flex-shrink:0;
}
.svc-card h3{font-size:22px;margin-bottom:0}
.svc-card p{color:var(--muted);font-size:15.5px}
.svc-list{display:flex;flex-direction:column;gap:10px;margin-top:2px}
.svc-list li{position:relative;padding-left:22px;font-size:14.5px;line-height:1.7;color:var(--muted)}
.svc-list li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:3px;
  background:rgba(169,240,58,.9);box-shadow:0 0 0 3px rgba(169,240,58,.18);
}
.svc-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:auto;padding-top:6px}
.svc-link{font-size:14.5px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:8px}
.svc-link::after{content:"→";transition:transform .2s ease}
.svc-card:hover .svc-link::after{transform:translateX(4px)}

.stat-badge{
  flex-shrink:0;padding:10px 14px;border-radius:10px;text-align:center;min-width:104px;
  background:linear-gradient(var(--dark),var(--dark)) padding-box,var(--grad) border-box;
  border:1.5px solid transparent;color:var(--inv);
}
.stat-badge b{display:block;font-size:22px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;color:var(--lime)}
.stat-badge span{display:block;font-size:12px;color:rgba(247,251,244,.72);margin-top:4px;letter-spacing:.2px}

/* ---------- two column feature ---------- */
.feature{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center}
.feature-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);background:var(--paper)}
.feature-media img{aspect-ratio:4/3;object-fit:cover;width:100%}
.feature-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(169,240,58,.22),rgba(20,210,160,.14) 55%,rgba(255,106,44,.14));
  mix-blend-mode:multiply;
}
.feature-body h2{font-size:34px;margin:14px 0 16px}
.feature-body > p{color:var(--muted);margin-bottom:26px}
.check-list{display:flex;flex-direction:column;gap:14px;margin-bottom:30px}
.check-list li{display:flex;gap:14px;align-items:flex-start}
.check-dot{
  width:24px;height:24px;border-radius:999px;flex-shrink:0;margin-top:3px;
  background:rgba(169,240,58,.18);border:1px solid rgba(169,240,58,.7);
  display:inline-flex;align-items:center;justify-content:center;color:#3f6f14;font-size:13px;font-weight:800;
}
.check-list b{display:block;font-size:15.5px;font-weight:700}
.check-list span{font-size:14.5px;color:var(--muted);line-height:1.7}

/* ---------- table ---------- */
.table-wrap{
  position:relative;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;
  box-shadow:var(--sh);overflow:hidden;
}
.table-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:720px;font-size:15px}
thead th{
  background:var(--paper);text-align:left;font-size:14px;font-weight:700;color:var(--muted);
  padding:18px 22px;border-bottom:1px solid var(--line);white-space:nowrap;
}
tbody td{padding:18px 22px;border-bottom:1px solid var(--line);color:var(--muted);vertical-align:top}
tbody tr:nth-child(even){background:#fafcf8}
tbody tr:hover{background:rgba(169,240,58,.1)}
tbody td:first-child{color:var(--ink);font-weight:700}
tbody tr:last-child td{border-bottom:0}
.table-fade{
  position:absolute;top:0;right:0;bottom:0;width:44px;pointer-events:none;
  background:linear-gradient(90deg,rgba(255,255,255,0),#fff);
}
.table-note{margin-top:14px;font-size:13.5px;color:var(--weak)}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--dark);color:var(--inv);border-radius:var(--r-lg);
  padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;inset:-30% -10% auto auto;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,210,160,.34),transparent 62%);
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--grad);opacity:.9;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:32px;margin-bottom:12px;color:#fff}
.cta-band p{color:rgba(247,251,244,.78);max-width:520px;font-size:15.5px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--lime);
  opacity:0;transition:opacity .2s ease;
}
.faq-item.is-open{border-color:rgba(169,240,58,.6);box-shadow:var(--sh)}
.faq-item.is-open::before{opacity:1}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;text-align:left;font-size:16.5px;font-weight:700;color:var(--ink);
}
.faq-ico{position:relative;width:22px;height:22px;flex-shrink:0;transition:transform .2s ease}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;background:var(--muted);border-radius:2px;transition:opacity .2s ease,background .2s ease;
}
.faq-ico::before{left:0;right:0;top:10px;height:2px}
.faq-ico::after{top:0;bottom:0;left:10px;width:2px}
.faq-item.is-open .faq-ico{transform:rotate(90deg)}
.faq-item.is-open .faq-ico::after{opacity:0}
.faq-item.is-open .faq-ico::before{background:#4a7a1f}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a-inner{padding:0 26px 24px;color:var(--muted);font-size:15.5px;line-height:1.8}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--dark);color:rgba(247,251,244,.8);margin-top:0;padding:64px 0 26px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:38px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .logo-text{color:#fff}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.8;color:rgba(247,251,244,.68);max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:.3px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14.5px;color:rgba(247,251,244,.72);transition:color .2s ease}
.footer-col a:hover{color:var(--lime)}
.f-note{font-size:14.5px;line-height:1.8;color:rgba(247,251,244,.68);margin-bottom:8px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:13.5px;color:rgba(247,251,244,.55)}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 24px}
  .page-hero h1{font-size:44px}
  .section{padding:84px 0}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav{gap:16px}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .feature{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section-head h2,.feature-body h2,.cta-band h2{font-size:28px}
  .anchor-bar{top:60px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .page-hero{padding:120px 0 62px}
  .page-hero h1{font-size:31px}
  .hero-lead{font-size:16px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .svc-card{padding:20px;border-radius:var(--r-md)}
  .svc-top{flex-direction:column-reverse;align-items:flex-start;gap:14px}
  .stat-badge{min-width:auto;text-align:left;padding:8px 12px}
  .stat-badge b{font-size:19px;display:inline-block;margin-right:8px}
  .stat-badge span{display:inline-block;margin-top:0}
  .section-head h2,.feature-body h2{font-size:24px}
  .cta-band{padding:32px 22px;border-radius:var(--r-md)}
  .cta-band h2{font-size:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto;justify-content:center}
  .faq-q{padding:18px;font-size:15.5px}
  .faq-a-inner{padding:0 18px 20px}
  .anchor-bar{top:60px}
  .anchor-inner a{height:40px;padding:0 15px;font-size:13.5px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .table-scroll{overflow-x:auto}
  .crumbs{font-size:13px}
}
@media (max-width:520px){
  .page-hero h1{font-size:28px}
  .hero-meta{gap:10px 22px}
  .hero-meta b{font-size:19px}
  .btn{padding:13px 20px;font-size:14.5px}
}

/* roulang page: category2 */
:root{
  --lime:#A9F03A;
  --cyan:#14D2A0;
  --orange:#FF6A2C;
  --ink:#0C1611;
  --mist:#F4F8F1;
  --white:#FFFFFF;
  --text:#10190F;
  --text-2:#56635B;
  --text-3:#8A968E;
  --line:#E3EBE0;
  --line-dark:rgba(255,255,255,.12);
  --grad:linear-gradient(120deg,#A9F03A 0%,#14D2A0 52%,#FF6A2C 100%);
  --grad-soft:linear-gradient(120deg,rgba(169,240,58,.18) 0%,rgba(20,210,160,.14) 52%,rgba(255,106,44,.10) 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh:0 14px 34px -20px rgba(12,22,17,.28);
  --sh-hover:0 22px 46px -20px rgba(12,22,17,.36);
  --sec:96px;
  --nav-h:76px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:140px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--white);
  letter-spacing:0;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(169,240,58,.45);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--sec) 0;}
.section--mist{background:var(--mist);}
.section--white{background:var(--white);}
.section--ink{background:var(--ink);color:#F7FBF4;}

/* ============ 区块标题 ============ */
.sec-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.06em;
  color:#0C1611;background:rgba(169,240,58,.9);
  padding:6px 12px;border-radius:10px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:14px;height:2px;border-radius:2px;background:#0C1611;opacity:.65;}
.sec-title{font-size:34px;line-height:1.28;font-weight:800;letter-spacing:0;}
.sec-sub{margin-top:14px;font-size:16px;color:var(--text-2);line-height:1.8;}
.section--ink .sec-sub{color:rgba(247,251,244,.78);}
.title-rule{position:relative;padding-bottom:14px;}
.title-rule::after{content:"";position:absolute;left:0;bottom:0;width:64px;height:4px;border-radius:4px;background:var(--grad);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1.2;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:#0C1611;box-shadow:0 12px 26px -16px rgba(169,240,58,.9);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 18px 32px -16px rgba(169,240,58,.95);}
.btn-primary:active{transform:translateY(1px);}
.btn-secondary{background:transparent;color:var(--text);border:1px solid rgba(12,22,17,.24);}
.btn-secondary:hover{background:var(--mist);border-color:rgba(12,22,17,.4);}
.btn-ghost{background:transparent;color:#F7FBF4;border:1px solid rgba(255,255,255,.42);}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.72);}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none;}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  --nav-fg:#F7FBF4;
  background:rgba(12,22,17,.28);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  box-shadow:0 10px 30px -18px rgba(0,0,0,.45);
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.is-scrolled{
  --nav-fg:#10190F;
  background:rgba(244,248,241,.92);
  -webkit-backdrop-filter:blur(10px) saturate(120%);
  backdrop-filter:blur(10px) saturate(120%);
  border-bottom-color:var(--line);
  box-shadow:0 12px 32px -22px rgba(12,22,17,.55);
}
.nav{
  height:var(--nav-h);
  display:flex;align-items:center;gap:28px;
  color:var(--nav-fg);
  transition:height .24s ease;
}
.site-header.is-scrolled .nav{height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  position:relative;width:30px;height:30px;border-radius:10px;flex:none;
  background:linear-gradient(120deg,#A9F03A 0%,#14D2A0 60%,#FF6A2C 100%);
  box-shadow:0 8px 18px -10px rgba(20,210,160,.9);
}
.logo-mark::after{
  content:"";position:absolute;inset:5px;border-radius:6px;
  background:repeating-linear-gradient(115deg,rgba(12,22,17,.9) 0 2px,transparent 2px 6px);
  opacity:.26;
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:0;color:var(--nav-fg);}
.nav-links{display:flex;align-items:center;gap:6px;flex:1;justify-content:center;}
.nav-links a{
  position:relative;display:inline-block;
  padding:10px 14px;font-size:15px;font-weight:500;
  color:var(--nav-fg);opacity:.86;border-radius:10px;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:4px;width:0;height:2px;border-radius:2px;
  background:var(--lime);transform:translateX(-50%);transition:width .22s ease;
}
.nav-links a:hover{opacity:1;}
.nav-links a:hover::after{width:calc(100% - 28px);}
.nav-links a.is-active{opacity:1;font-weight:700;}
.nav-links a.is-active::after{width:calc(100% - 28px);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:50%;
  color:var(--nav-fg);border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.site-header.is-scrolled .icon-btn{border-color:rgba(12,22,17,.16);background:rgba(12,22,17,.04);}
.icon-btn:hover{background:rgba(169,240,58,.22);border-color:rgba(169,240,58,.6);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;color:var(--nav-fg);
  border:1px solid rgba(255,255,255,.22);
}
.site-header.is-scrolled .nav-toggle{border-color:rgba(12,22,17,.16);}

/* 移动端抽屉 */
.mobile-menu{
  display:none;
  position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;z-index:79;
  background:rgba(12,22,17,.96);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  padding:20px 18px 24px;
  overflow-y:auto;
}
.mobile-menu.is-open{display:flex;flex-direction:column;gap:6px;}
.mobile-menu a.m-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:12px;
  color:#F7FBF4;font-size:16px;font-weight:500;
  border:1px solid transparent;
}
.mobile-menu a.m-link:hover{background:rgba(255,255,255,.06);}
.mobile-menu a.m-link.is-active{background:rgba(169,240,58,.16);border-color:rgba(169,240,58,.5);color:#F7FBF4;font-weight:700;}
.mobile-cta{margin-top:12px;width:100%;}
body.menu-open{overflow:hidden;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:#0C1611;color:#F7FBF4;
  padding:150px 0 88px;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.38;
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(169,240,58,.20) 0%,rgba(20,210,160,.14) 52%,rgba(255,106,44,.10) 100%),
             repeating-linear-gradient(115deg,rgba(255,255,255,.055) 0 2px,transparent 2px 16px);
}
.hero-inner{position:relative;z-index:2;max-width:860px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(247,251,244,.76);margin-bottom:22px;}
.breadcrumb a{color:rgba(247,251,244,.86);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .crumb-back{display:none;}
.hero .eyebrow{background:rgba(169,240,58,.16);color:#D9FCA2;border:1px solid rgba(169,240,58,.4);}
.hero .eyebrow::before{background:var(--lime);opacity:.9;}
.hero h1{
  font-size:48px;line-height:1.2;font-weight:800;letter-spacing:0;
  color:#F7FBF4;margin-top:6px;
}
.hero h1 .hl{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  margin-top:20px;font-size:17px;line-height:1.85;
  color:rgba(247,251,244,.82);max-width:680px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:28px;
  margin-top:40px;padding-top:26px;
  border-top:1px solid var(--line-dark);
}
.hero-fact{min-width:150px;}
.hero-fact strong{display:block;font-size:22px;font-weight:800;color:#F7FBF4;font-variant-numeric:tabular-nums;}
.hero-fact span{display:block;font-size:13.5px;color:rgba(247,251,244,.68);margin-top:4px;}

/* ============ 锚点条 ============ */
.anchor-bar{
  position:sticky;top:64px;z-index:60;
  background:rgba(255,255,255,.95);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 12px 26px -24px rgba(12,22,17,.5);
}
.anchor-inner{display:flex;align-items:center;gap:10px;height:60px;overflow-x:auto;scrollbar-width:none;}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-inner a{
  flex:none;display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--text-2);
  border:1px solid var(--line);background:#fff;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.anchor-inner a::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);flex:none;}
.anchor-inner a:hover{color:#0C1611;border-color:rgba(169,240,58,.85);background:rgba(169,240,58,.14);transform:translateY(-1px);}

/* ============ 时间轴 ============ */
.timeline{position:relative;padding-left:56px;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:17px;top:12px;bottom:12px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,#A9F03A 0%,#14D2A0 55%,rgba(20,210,160,.15) 100%);
}
.tl-item{position:relative;padding-bottom:28px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:-56px;top:22px;
  width:36px;height:36px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:#0C1611;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,#A9F03A 0%,#14D2A0 100%);
  box-shadow:0 0 0 6px rgba(169,240,58,.14),0 10px 20px -12px rgba(12,22,17,.6);
  z-index:2;
}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 28px;box-shadow:var(--sh);
  transition:box-shadow .24s ease,transform .24s ease,border-color .24s ease;
}
.tl-card:hover{box-shadow:var(--sh-hover);transform:translateY(-3px);border-color:rgba(169,240,58,.55);}
.tl-head{display:flex;align-items:center;flex-wrap:wrap;gap:12px;}
.tl-head h3{font-size:22px;font-weight:800;line-height:1.35;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;padding:5px 11px;border-radius:10px;
  background:var(--mist);color:var(--text-2);border:1px solid var(--line);
}
.tag--lime{background:rgba(169,240,58,.2);color:#37580E;border-color:rgba(169,240,58,.6);}
.tag--dark{background:var(--ink);color:#D9FCA2;border-color:rgba(169,240,58,.45);}
.tl-desc{margin-top:12px;color:var(--text-2);font-size:15.5px;line-height:1.8;}
.tl-list{margin-top:16px;display:grid;gap:10px;}
.tl-list li{position:relative;padding-left:20px;font-size:14.8px;color:var(--text-2);line-height:1.7;}
.tl-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:10px;height:2px;border-radius:2px;background:var(--lime);
}
.tl-meta{margin-top:16px;font-size:13px;color:var(--text-3);}

/* ============ 数据看板 ============ */
.data-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.check-list{display:grid;gap:14px;margin-top:26px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15.5px;color:var(--text-2);line-height:1.75;
}
.check-list .ic{
  flex:none;width:26px;height:26px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(20,210,160,.14);color:#0B7A5E;margin-top:3px;
}
.check-list strong{color:var(--text);font-weight:700;}
.data-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);}
.data-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.data-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,22,17,0) 42%,rgba(12,22,17,.72) 100%);
}
.data-badge{
  position:absolute;left:22px;bottom:22px;z-index:2;
  background:rgba(12,22,17,.86);
  border:1px solid rgba(169,240,58,.55);
  border-radius:var(--r-sm);
  padding:12px 18px;
  color:#F7FBF4;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.data-badge strong{display:block;font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;color:#D9FCA2;}
.data-badge span{font-size:12.5px;color:rgba(247,251,244,.75);}

/* ============ 场景列表 ============ */
.scene-list{border-top:1px solid var(--line);}
.scene-row{
  display:grid;grid-template-columns:64px 1fr auto;gap:24px;align-items:center;
  padding:26px 8px;border-bottom:1px solid var(--line);
  transition:background .2s ease,padding .2s ease;
}
.scene-row:hover{background:var(--mist);padding-left:18px;padding-right:18px;}
.scene-num{
  font-size:18px;font-weight:800;font-variant-numeric:tabular-nums;
  color:var(--text-3);letter-spacing:.04em;
}
.scene-row:hover .scene-num{color:#0B7A5E;}
.scene-body h3{font-size:19px;font-weight:800;line-height:1.4;}
.scene-body p{margin-top:8px;font-size:15px;color:var(--text-2);line-height:1.75;max-width:760px;}
.scene-side{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);color:#F7FBF4;
  border-radius:var(--r-lg);
  padding:52px;
  box-shadow:var(--sh);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:var(--grad-soft),
             repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 18px);
}
.cta-band::after{
  content:"";position:absolute;top:-120px;right:-80px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(169,240,58,.28) 0%,rgba(169,240,58,0) 68%);
}
.cta-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center;
}
.cta-band h2{font-size:32px;font-weight:800;line-height:1.3;color:#F7FBF4;}
.cta-band p{margin-top:14px;color:rgba(247,251,244,.8);font-size:16px;line-height:1.8;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--sh);}
.faq-item[open]{border-color:rgba(169,240,58,.75);box-shadow:var(--sh);}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--lime);
  transform:scaleY(0);transform-origin:top;transition:transform .2s ease;
}
.faq-item[open]::before{transform:scaleY(1);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 26px;font-size:16.5px;font-weight:700;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex:none;width:24px;height:24px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--mist);color:#0B7A5E;
  transition:transform .2s ease,background .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:rgba(169,240,58,.35);}
.faq-a{padding:0 26px 22px;color:var(--text-2);font-size:15.5px;line-height:1.85;}
.faq-item[open] .faq-a{animation:faqIn .2s ease;}
@keyframes faqIn{from{opacity:0;transform:translateY(-5px);}to{opacity:1;transform:none;}}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:var(--ink);color:rgba(247,251,244,.82);
  padding:72px 0 30px;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:var(--grad);opacity:.85;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{color:#F7FBF4;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(247,251,244,.7);max-width:340px;}
.footer-col h4{font-size:15px;font-weight:700;color:#F7FBF4;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{font-size:14.5px;color:rgba(247,251,244,.72);}
.footer-col ul a:hover{color:var(--lime);}
.f-note{font-size:14px;color:rgba(247,251,244,.7);line-height:1.8;margin-bottom:8px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:rgba(247,251,244,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 24px;}
  :root{--sec:80px;}
  .hero h1{font-size:44px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav{gap:16px;}
  .nav-actions{margin-left:auto;}
  .hero{padding:132px 0 72px;}
  .hero h1{font-size:38px;}
  .data-grid{grid-template-columns:1fr;gap:36px;}
  .cta-inner{grid-template-columns:1fr;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .scene-row{grid-template-columns:52px 1fr;gap:18px;}
  .scene-side{grid-column:2;justify-content:flex-start;}
}
@media (max-width:900px){
  .site-header{--nav-h:64px;}
  .mobile-menu{top:64px;}
  .anchor-bar{top:64px;}
  html{scroll-padding-top:130px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  :root{--sec:56px;}
  body{font-size:16px;}
  .hero{padding:120px 0 56px;}
  .hero h1{font-size:31px;line-height:1.28;}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .hero-facts{gap:18px;}
  .hero-fact{min-width:0;flex:1 1 40%;}
  .sec-title{font-size:24px;}
  .sec-sub{font-size:15px;}
  .breadcrumb{font-size:12.5px;}
  .breadcrumb .crumb-path{display:none;}
  .breadcrumb .crumb-back{display:inline-flex;align-items:center;gap:6px;}
  .timeline{padding-left:38px;}
  .timeline::before{left:11px;}
  .tl-dot{left:-38px;width:28px;height:28px;font-size:11.5px;top:20px;}
  .tl-card{padding:20px;}
  .tl-head h3{font-size:18.5px;}
  .scene-row{padding:20px 4px;grid-template-columns:1fr;gap:12px;}
  .scene-num{font-size:15px;}
  .scene-row:hover{padding-left:8px;padding-right:8px;}
  .cta-band{padding:28px;border-radius:var(--r-md);}
  .cta-band h2{font-size:24px;}
  .cta-actions .btn{width:100%;}
  .faq-item summary{padding:16px 20px;font-size:15.5px;}
  .faq-a{padding:0 20px 18px;font-size:15px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .anchor-inner{height:54px;}
}
@media (max-width:520px){
  .hero h1{font-size:28px;}
  .sec-title{font-size:22px;}
  .tl-list li{font-size:14.5px;}
  .data-badge{padding:10px 14px;}
  .data-badge strong{font-size:18px;}
}

/* roulang page: category4 */
:root{
  --lime:#A9F03A;
  --cyan:#14D2A0;
  --orange:#FF6A2C;
  --night:#0C1611;
  --mist:#F4F8F1;
  --card:#FFFFFF;
  --ink:#10190F;
  --ink-2:#56635B;
  --ink-3:#8A968E;
  --line:#E3EBE0;
  --inv:#F7FBF4;
  --grad:linear-gradient(120deg,#A9F03A 0%,#14D2A0 52%,#FF6A2C 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh:0 14px 34px -20px rgba(12,22,17,.28);
  --sh-h:0 22px 46px -20px rgba(12,22,17,.36);
  --pad-sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--mist);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:0;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:999px;font-weight:600;font-size:15px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--night);box-shadow:0 10px 24px -14px rgba(12,22,17,.6)}
.btn-primary:hover{background:#b7f75a;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border:1px solid rgba(247,251,244,.4);color:var(--inv)}
.btn-ghost:hover{background:rgba(247,251,244,.12);border-color:var(--lime);color:var(--lime)}
.btn-outline{border:1px solid var(--line);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--mist);border-color:var(--cyan)}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* ---------- 徽章与标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:10px;font-size:12.5px;font-weight:600;
  background:var(--mist);color:var(--ink-2);border:1px solid var(--line);
}
.tag-lime{background:rgba(169,240,58,.18);color:#3d6b00;border-color:rgba(169,240,58,.5)}
.tag-cyan{background:rgba(20,210,160,.14);color:#0b7a5d;border-color:rgba(20,210,160,.4)}
.tag-orange{background:rgba(255,106,44,.14);color:#c0430f;border-color:rgba(255,106,44,.4)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--cyan);letter-spacing:.06em;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(12,22,17,.28);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  box-shadow:0 10px 30px -18px rgba(0,0,0,.45);
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header .nav{display:flex;align-items:center;gap:24px;height:76px;transition:height .24s ease}
.site-header .logo,.site-header .nav-links a,.site-header .icon-btn{color:var(--inv)}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.01em}
.logo-mark{
  width:26px;height:26px;border-radius:9px;background:var(--grad);
  box-shadow:0 6px 16px -8px rgba(169,240,58,.8);flex:0 0 auto;
}
.logo-text{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  position:relative;padding:8px 12px;border-radius:10px;font-size:14.5px;font-weight:500;
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transition:transform .24s ease;
}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{font-weight:700}
.nav-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  transition:background .2s ease,color .2s ease;
}
.icon-btn:hover{background:rgba(247,251,244,.16);color:var(--lime)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;align-items:center;justify-content:center;color:var(--inv)}
.nav-toggle:hover{background:rgba(247,251,244,.16)}

.site-header.is-stuck{
  background:rgba(244,248,241,.92);
  border-bottom-color:var(--line);
  box-shadow:0 12px 30px -22px rgba(12,22,17,.5);
}
.site-header.is-stuck .nav{height:64px}
.site-header.is-stuck .logo,.site-header.is-stuck .nav-links a,.site-header.is-stuck .icon-btn,.site-header.is-stuck .nav-toggle{color:var(--ink)}
.site-header.is-stuck .icon-btn:hover,.site-header.is-stuck .nav-toggle:hover{background:rgba(12,22,17,.06);color:var(--ink)}
.site-header.is-stuck .nav-links a::after{background:var(--cyan)}

.mobile-menu{
  position:fixed;inset:0;z-index:120;background:rgba(12,22,17,.97);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  display:none;flex-direction:column;padding:88px 24px 24px;
}
.mobile-menu.is-open{display:flex}
.mobile-menu a.m-link{
  display:flex;align-items:center;min-height:48px;padding:0 4px;
  color:var(--inv);font-size:16px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.12);
}
.mobile-menu a.m-link.is-active{color:var(--lime)}
.mobile-menu .m-cta{margin-top:auto;padding-top:20px}
.mobile-menu .m-cta .btn{width:100%}
.mobile-close{
  position:absolute;top:22px;right:20px;width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;color:var(--inv);
  border:1px solid rgba(255,255,255,.2);
}

/* ---------- Hero ---------- */
.hero-sub{
  position:relative;overflow:hidden;
  background:var(--night);
  color:var(--inv);
  padding:168px 0 84px;
}
.hero-sub .hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.34;
}
.hero-sub .hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(12,22,17,.94) 0%,rgba(12,22,17,.72) 48%,rgba(20,210,160,.28) 100%);
}
.hero-sub .hero-stripes{
  position:absolute;inset:0;opacity:.16;
  background-image:repeating-linear-gradient(115deg,rgba(169,240,58,.6) 0 2px,transparent 2px 22px);
}
.hero-sub .container{position:relative;z-index:2}
.hero-sub h1{
  font-size:clamp(30px,4.2vw,52px);
  max-width:15em;
  margin:0 0 18px;
}
.hero-sub h1 .accent{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub .hero-lead{
  max-width:44em;font-size:17px;line-height:1.8;color:rgba(247,251,244,.82);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-points{
  display:flex;flex-wrap:wrap;gap:28px;margin-top:40px;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.14);
}
.hero-points li{min-width:120px}
.hero-points .hp-num{
  font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-points .hp-txt{font-size:13.5px;color:rgba(247,251,244,.68)}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;top:64px;z-index:70;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.anchor-bar ul{display:flex;gap:8px;padding:10px 0;overflow-x:auto;scrollbar-width:none}
.anchor-bar ul::-webkit-scrollbar{display:none}
.anchor-bar a{
  display:inline-block;padding:8px 16px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--ink-2);white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.anchor-bar a:hover{background:var(--mist);color:var(--ink)}
.anchor-bar a.is-current{background:var(--night);color:var(--inv)}

/* ---------- 板块 ---------- */
.section{padding:var(--pad-sec) 0}
.section-mist{background:var(--mist)}
.section-white{background:#fff}
.section-night{background:var(--night);color:var(--inv);position:relative;overflow:hidden}
.section-night::before{
  content:"";position:absolute;inset:0;opacity:.18;
  background:radial-gradient(600px 240px at 18% 0%,rgba(169,240,58,.5),transparent 70%),
             radial-gradient(520px 220px at 92% 100%,rgba(20,210,160,.45),transparent 70%);
}
.section-night .container{position:relative;z-index:2}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px}
.section-head p{color:var(--ink-2);font-size:16px}
.section-night .section-head p{color:rgba(247,251,244,.75)}
.section-night .eyebrow{color:var(--lime)}

/* ---------- 权益速览 ---------- */
.benefit-wrap{display:grid;grid-template-columns:minmax(0,0.92fr) minmax(0,1.08fr);gap:48px;align-items:start}
.benefit-visual{
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);position:relative;
  aspect-ratio:4/3;background:var(--mist);
}
.benefit-visual img{width:100%;height:100%;object-fit:cover}
.benefit-visual .bv-badge{
  position:absolute;left:18px;bottom:18px;
  padding:10px 16px;border-radius:14px;
  background:rgba(12,22,17,.82);color:var(--inv);
  font-size:13px;font-weight:600;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.16);
}
.benefit-visual .bv-badge strong{
  display:block;font-size:22px;font-variant-numeric:tabular-nums;
  color:var(--lime);line-height:1.2;
}
.benefit-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);overflow:hidden}
.benefit-item{
  display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:18px;align-items:flex-start;
  padding:24px 28px;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.benefit-item:last-child{border-bottom:0}
.benefit-item:hover{background:var(--mist)}
.benefit-ico{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(169,240,58,.16);color:#3d6b00;border:1px solid rgba(169,240,58,.42);
}
.benefit-item h3{font-size:18px;margin-bottom:6px}
.benefit-item p{font-size:14.5px;line-height:1.7;color:var(--ink-2)}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.flow-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;box-shadow:var(--sh);position:relative;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(20,210,160,.5)}
.flow-num{
  font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--cyan);
  letter-spacing:.08em;margin-bottom:12px;display:block;
}
.flow-card h3{font-size:17px;margin-bottom:8px}
.flow-card p{font-size:14.5px;color:var(--ink-2);line-height:1.7}

/* ---------- 问答 + 咨询卡 ---------- */
.ask-layout{display:grid;grid-template-columns:minmax(0,2.1fr) minmax(300px,1fr);gap:32px;align-items:start}
.faq-columns{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.faq-group h3{
  font-size:15px;font-weight:700;color:var(--ink-2);margin-bottom:14px;
  padding-left:12px;border-left:3px solid var(--cyan);
}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--sh);border-color:rgba(20,210,160,.45)}
.faq-item[open]{box-shadow:var(--sh);border-color:rgba(169,240,58,.7)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:12px;
  padding:18px 20px;font-weight:600;font-size:15.5px;line-height:1.6;
  position:relative;transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--lime);
  transform:scaleY(0);transform-origin:top;transition:transform .2s ease;
}
.faq-item[open] summary::before{transform:scaleY(1)}
.faq-item summary:hover{background:var(--mist)}
.faq-ico{
  width:22px;height:22px;flex:0 0 auto;margin-top:2px;color:var(--ink-3);
  transition:transform .2s ease,color .2s ease;
}
.faq-item[open] .faq-ico{transform:rotate(180deg);color:var(--cyan)}
.faq-body{
  padding:0 20px 20px;font-size:14.5px;line-height:1.75;color:var(--ink-2);
  animation:fadeIn .2s ease;
}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

.ask-card-wrap{position:sticky;top:140px}
.ask-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);padding:26px;
}
.ask-card h3{font-size:20px;margin-bottom:8px}
.ask-card .ask-note{font-size:14px;color:var(--ink-2);line-height:1.7;margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:8px}
.field label .req{color:var(--orange)}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;outline:none;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.6}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--lime);box-shadow:0 0 0 4px rgba(169,240,58,.22);
}
.field.is-error input,.field.is-error select,.field.is-error textarea{border-color:var(--orange);box-shadow:0 0 0 4px rgba(255,106,44,.16)}
.field .msg{display:none;font-size:12.5px;color:var(--orange);margin-top:6px}
.field.is-error .msg{display:block}
.field.is-ok input,.field.is-ok select{border-color:var(--cyan)}
.ask-card .btn-primary{width:100%;margin-top:6px}
.privacy-line{font-size:12.5px;color:var(--ink-3);line-height:1.6;margin-top:14px}
.form-result{
  display:none;margin-top:14px;padding:12px 14px;border-radius:var(--r-sm);
  background:rgba(169,240,58,.16);border:1px solid rgba(169,240,58,.55);
  color:#3d6b00;font-size:13.5px;
}
.form-result.is-show{display:block}
.ask-points{margin-top:22px;padding-top:20px;border-top:1px dashed var(--line)}
.ask-points li{
  position:relative;padding-left:18px;font-size:13.5px;color:var(--ink-2);line-height:1.7;margin-bottom:8px;
}
.ask-points li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:50%;
  background:var(--grad);
}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--night);color:var(--inv);
  border-radius:var(--r-lg);padding:52px 48px;
  display:grid;grid-template-columns:minmax(0,1.4fr) auto;gap:32px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.22;
  background:repeating-linear-gradient(115deg,rgba(169,240,58,.5) 0 2px,transparent 2px 26px);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;
  background:var(--grad);filter:blur(70px);opacity:.34;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-band p{color:rgba(247,251,244,.76);font-size:15.5px;max-width:46em}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--night);color:var(--inv);position:relative;
  padding:72px 0 28px;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);
}
.site-footer .logo{color:var(--inv);margin-bottom:16px}
.footer-brand p{font-size:14px;color:rgba(247,251,244,.66);line-height:1.75;max-width:34em}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--inv)}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(247,251,244,.7);transition:color .2s ease}
.footer-col a:hover{color:var(--lime)}
.f-note{font-size:13.5px;color:rgba(247,251,244,.62);line-height:1.7;margin-bottom:8px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:rgba(247,251,244,.52);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 28px}
  :root{--pad-sec:80px}
}
@media (max-width:1023px){
  :root{--pad-sec:72px}
  .benefit-wrap{grid-template-columns:1fr;gap:28px}
  .ask-layout{grid-template-columns:1fr;gap:28px}
  .ask-card-wrap{position:static}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;padding:40px 32px}
  .hero-sub{padding:150px 0 68px}
}
@media (max-width:900px){
  .nav-links{display:none}
  .nav-actions .btn-primary{display:none}
  .nav-toggle{display:inline-flex}
  .hero-sub{padding:132px 0 60px}
  .anchor-bar{top:64px}
}
@media (max-width:767px){
  :root{--pad-sec:56px}
  .container{padding:0 18px}
  .hero-sub{padding:118px 0 52px}
  .hero-sub h1{max-width:100%}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .hero-points{gap:18px}
  .hero-points li{min-width:calc(50% - 9px)}
  .faq-columns{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .benefit-item{grid-template-columns:38px minmax(0,1fr);padding:20px}
  .benefit-item .tag{grid-column:2;justify-self:start}
  .benefit-ico{width:38px;height:38px}
  .ask-card{padding:20px}
  .cta-band{padding:32px 20px;border-radius:var(--r-md)}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .hero-sub h1{font-size:30px}
  .section-head h2{font-size:24px}
  .benefit-list{border-radius:var(--r-md)}
  .ask-card{border-radius:var(--r-md)}
}