/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --bg-0:#0A0910;
  --bg-1:#131020;
  --surface:#1A1626;
  --surface-2:#221D31;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#B8FF2E;
  --brand-deep:#7BC400;
  --accent:#FF2E7E;
  --hot:#FF8A00;
  --info:#4CC9F0;
  --ok:#22C55E;
  --text:#F4F3F8;
  --text-2:#A9A4BC;
  --text-3:#6E6980;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:20px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px -12px rgba(0,0,0,.7);
  --shadow-2:0 20px 48px -20px rgba(0,0,0,.85);
  --glow-brand:0 0 0 1px rgba(184,255,46,.35),0 12px 32px -12px rgba(184,255,46,.35);
  --font-sans:"MiSans","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --nav-h:72px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:104px;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(880px 520px at 10% -6%, rgba(184,255,46,.10), transparent 62%),
    radial-gradient(720px 460px at 98% 2%, rgba(255,46,126,.10), transparent 60%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,figure,blockquote,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease,opacity .18s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
::selection{background:rgba(184,255,46,.28);color:#fff;}
.mono{font-variant-numeric:tabular-nums;}

/* ============ 布局容器 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;position:relative;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap;}
.section-head h2{font-size:30px;line-height:1.3;font-weight:800;letter-spacing:-.02em;margin-bottom:8px;}
.section-sub{color:var(--text-2);font-size:15px;max-width:58ch;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--brand);text-transform:uppercase;margin-bottom:14px;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);display:block;}
.link-more{color:var(--text-2);font-size:14.5px;font-weight:600;white-space:nowrap;}
.link-more:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}

/* ============ 按钮 / 标签 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-pill);
  font-weight:700;font-size:15.5px;line-height:1;
  border:0;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,filter .18s ease;
}
.btn-primary{background:var(--brand);color:#0A0910;box-shadow:0 10px 26px -14px rgba(184,255,46,.8);}
.btn-primary:hover{filter:brightness(1.06);box-shadow:var(--glow-brand);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--text);box-shadow:inset 0 0 0 1px var(--line-strong);}
.btn-ghost:hover{color:var(--brand);box-shadow:inset 0 0 0 1px var(--brand);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-hot{background:var(--hot);color:#1A1000;}
.btn-hot:hover{filter:brightness(1.06);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;}

.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--radius-pill);font-size:12.5px;font-weight:600;line-height:1.6;}
.tag-brand{color:var(--brand);box-shadow:inset 0 0 0 1px rgba(184,255,46,.45);background:rgba(184,255,46,.08);}
.tag-accent{color:var(--accent);box-shadow:inset 0 0 0 1px rgba(255,46,126,.45);background:rgba(255,46,126,.08);}
.tag-hot{background:var(--hot);color:#221200;}
.tag-plain{color:var(--text-2);box-shadow:inset 0 0 0 1px var(--line-strong);}

.badge{display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:var(--radius-pill);font-size:13px;font-weight:600;}
.badge-hot{background:rgba(255,138,0,.12);color:#FFC178;box-shadow:inset 0 0 0 1px rgba(255,138,0,.4);}
.badge-live{color:var(--text-2);box-shadow:inset 0 0 0 1px var(--line-strong);}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(184,255,46,.16);display:inline-block;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(10,9,16,.55);
  border-bottom:1px solid transparent;
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  transition:height .22s ease,background .22s ease,border-color .22s ease;
}
.site-header.is-scrolled{height:60px;background:rgba(10,9,16,.9);border-bottom-color:var(--line);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.01em;}
.logo-mark{width:30px;height:30px;display:grid;place-items:center;border-radius:9px;background:linear-gradient(135deg,rgba(184,255,46,.22),rgba(255,46,126,.18));box-shadow:inset 0 0 0 1px rgba(184,255,46,.4);}
.logo-mark svg{width:17px;height:17px;stroke:var(--brand);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.logo-text b{color:var(--brand);}
.main-nav{display:flex;align-items:center;gap:2px;}
.nav-link{position:relative;padding:9px 14px;border-radius:var(--radius-pill);font-size:15px;font-weight:500;color:var(--text-2);}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);width:16px;height:2px;border-radius:2px;background:var(--brand);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.menu-btn{display:none;width:42px;height:42px;border-radius:12px;box-shadow:inset 0 0 0 1px var(--line-strong);align-items:center;justify-content:center;}
.menu-btn svg{width:20px;height:20px;stroke:var(--text);fill:none;stroke-width:1.9;stroke-linecap:round;}
.menu-btn:hover{box-shadow:inset 0 0 0 1px var(--brand);}
.menu-btn:hover svg{stroke:var(--brand);}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(6,5,10,.7);opacity:0;visibility:hidden;transition:.24s ease;z-index:90;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:302px;max-width:86vw;z-index:95;
  background:var(--bg-1);border-left:1px solid var(--line);
  transform:translateX(101%);transition:transform .26s ease;
  padding:22px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-close{width:38px;height:38px;border-radius:10px;box-shadow:inset 0 0 0 1px var(--line-strong);display:grid;place-items:center;}
.drawer-close svg{width:17px;height:17px;stroke:var(--text);fill:none;stroke-width:2;stroke-linecap:round;}
.drawer a.drawer-link{padding:14px 12px;border-radius:var(--radius-m);color:var(--text-2);font-weight:600;border-bottom:1px solid var(--line);}
.drawer a.drawer-link:hover{color:var(--brand);background:rgba(184,255,46,.06);}
.drawer a.drawer-link.is-active{color:var(--brand);}
.drawer .btn{margin-top:18px;}

/* ============ 首屏 Hero ============ */
.hero{position:relative;padding:72px 0 88px;overflow:hidden;}
.hero::before{content:"";position:absolute;top:-160px;left:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(184,255,46,.16),transparent 66%);filter:blur(80px);pointer-events:none;}
.hero::after{content:"";position:absolute;right:-140px;top:60px;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(255,46,126,.14),transparent 66%);filter:blur(80px);pointer-events:none;}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero-copy h1{font-size:40px;line-height:1.18;font-weight:800;letter-spacing:-.02em;margin:20px 0 18px;}
.hero-copy h1 em{font-style:normal;color:var(--brand);}
.hero-sub{font-size:17px;color:var(--text-2);max-width:46ch;margin-bottom:32px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.trust-row{display:flex;gap:40px;margin-top:40px;padding-top:26px;border-top:1px solid var(--line);flex-wrap:wrap;}
.trust-row li b{display:block;font-size:27px;font-weight:800;color:var(--brand);letter-spacing:-.02em;line-height:1.2;}
.trust-row li span{font-size:13px;color:var(--text-2);}
.hero-visual{position:relative;}
.hero-figure{position:relative;margin:0;border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-2),0 0 0 1px rgba(184,255,46,.28);clip-path:polygon(0 0,100% 0,100% 84%,86% 100%,0 100%);}
.hero-figure img{width:100%;aspect-ratio:4/3.4;object-fit:cover;}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,9,16,.1) 0%,rgba(10,9,16,.78) 100%);}
.hero-chip{position:absolute;z-index:3;padding:10px 16px;border-radius:var(--radius-pill);font-size:13px;font-weight:700;background:rgba(19,16,32,.92);box-shadow:inset 0 0 0 1px var(--line-strong);backdrop-filter:blur(6px);}
.hero-chip.chip-a{top:22px;right:-6px;color:var(--brand);}
.hero-chip.chip-b{bottom:34px;left:-10px;color:var(--accent);}

/* ============ 快捷入口 ============ */
.quick{background:linear-gradient(180deg,rgba(26,22,38,.55) 0%,rgba(10,9,16,0) 100%);}
.quick-bar{display:flex;align-items:center;gap:16px;margin-bottom:30px;flex-wrap:wrap;}
.progress{flex:1;min-width:180px;height:6px;border-radius:var(--radius-pill);background:var(--line);overflow:hidden;}
.progress i{display:block;height:100%;border-radius:var(--radius-pill);background:linear-gradient(90deg,var(--hot),var(--brand));}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.quick-card{
  display:flex;align-items:center;gap:14px;
  padding:22px 20px;border-radius:var(--radius-m);
  background:var(--surface);box-shadow:inset 0 0 0 1px var(--line),var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.quick-card:hover{transform:translateY(-4px);box-shadow:inset 0 0 0 1px rgba(184,255,46,.45),var(--shadow-2);}
.quick-ico{flex:none;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:rgba(184,255,46,.09);box-shadow:inset 0 0 0 1px rgba(184,255,46,.28);}
.quick-ico svg{width:20px;height:20px;stroke:var(--brand);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.quick-text b{display:block;font-size:15.5px;font-weight:700;}
.quick-text em{display:block;font-style:normal;font-size:12.5px;color:var(--text-2);line-height:1.55;}
.quick-arrow{margin-left:auto;color:var(--text-3);font-size:18px;transition:transform .18s ease,color .18s ease;}
.quick-card:hover .quick-arrow{transform:translateX(4px);color:var(--brand);}

/* ============ 优惠阶梯 ============ */
.ladder-list{display:flex;flex-direction:column;gap:18px;}
.ladder-item{
  display:flex;align-items:center;gap:24px;
  margin-left:var(--indent,0);
  padding:24px 26px;border-radius:var(--radius-m);
  background:var(--surface);box-shadow:inset 0 0 0 1px var(--line),var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.ladder-item:hover{transform:translateX(6px);box-shadow:inset 0 0 0 1px var(--line-strong),var(--shadow-2);}
.ladder-num{flex:none;font-size:30px;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1px rgba(184,255,46,.55);letter-spacing:-.03em;}
.ladder-main{flex:1;min-width:0;}
.ladder-main h3{font-size:19px;font-weight:700;margin-bottom:6px;}
.ladder-main p{font-size:14px;color:var(--text-2);max-width:52ch;}
.ladder-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;}
.ladder-side{display:flex;align-items:center;gap:18px;flex:none;}
.ladder-threshold{font-size:14px;font-weight:700;color:var(--hot);white-space:nowrap;}

/* ============ 套餐对比 ============ */
.plans{background:linear-gradient(180deg,rgba(34,29,49,.45) 0%,rgba(10,9,16,0) 100%);}
.plans-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.plan-card{position:relative;padding:30px 26px 34px;border-radius:var(--radius-l);background:var(--surface);box-shadow:inset 0 0 0 1px var(--line),var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease;}
.plan-card:hover{transform:translateY(-4px);box-shadow:inset 0 0 0 1px var(--line-strong),var(--shadow-2);}
.plan-card.is-recommend{background:var(--surface-2);box-shadow:inset 0 0 0 1px rgba(184,255,46,.5),var(--glow-brand);transform:translateY(-18px);}
.plan-card.is-recommend:hover{transform:translateY(-22px);}
.plan-card.is-recommend::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;border-radius:var(--radius-l) var(--radius-l) 0 0;background:var(--brand);}
.plan-flag{position:absolute;top:-13px;right:22px;padding:5px 14px;border-radius:var(--radius-pill);background:var(--brand);color:#0A0910;font-size:12.5px;font-weight:800;}
.plan-name{font-size:17px;font-weight:700;color:var(--text);}
.plan-price{display:flex;align-items:baseline;gap:6px;margin:14px 0 6px;}
.plan-price b{font-size:38px;font-weight:800;letter-spacing:-.03em;line-height:1;color:var(--brand);}
.plan-price small{font-size:13px;color:var(--text-3);}
.plan-desc{font-size:13.5px;color:var(--text-2);min-height:44px;}
.plan-features{margin:22px 0 26px;display:flex;flex-direction:column;gap:12px;}
.plan-features li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2);}
.plan-features li::before{content:"";flex:none;width:16px;height:16px;margin-top:4px;border-radius:50%;background:rgba(184,255,46,.14);box-shadow:inset 0 0 0 1px rgba(184,255,46,.5);}
.plan-features li.no{color:var(--text-3);}
.plan-features li.no::before{background:rgba(255,46,126,.12);box-shadow:inset 0 0 0 1px rgba(255,46,126,.4);}
.plan-card .btn{width:100%;}

/* ============ 最新信息（CMS 区） ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{display:flex;flex-direction:column;border-radius:var(--radius-m);background:var(--surface);box-shadow:inset 0 0 0 1px var(--line),var(--shadow-1);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease;}
.news-card:hover{transform:translateY(-4px);box-shadow:inset 0 0 0 1px var(--line-strong),var(--shadow-2);}
.news-thumb{position:relative;display:block;aspect-ratio:16/9;background:var(--surface-2);overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-thumb .tag{position:absolute;left:12px;top:12px;background:rgba(10,9,16,.82);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-title{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a:hover{color:var(--brand);}
.news-sum{font-size:13.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:18px;}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3);}
.news-more{color:var(--brand);font-weight:600;}
.news-more:hover{text-decoration:underline;text-underline-offset:3px;}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--radius-m);
  padding:32px 24px;max-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;color:var(--text-2);
}
.empty-state svg{width:30px;height:30px;stroke:var(--text-3);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}

/* ============ 用户反馈 ============ */
.evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.quote-card{margin:0;padding:28px 26px;border-radius:var(--radius-m);background:var(--surface);box-shadow:inset 0 0 0 1px var(--line),var(--shadow-1);display:flex;flex-direction:column;gap:18px;}
.quote-card blockquote{margin:0;font-size:15px;line-height:1.85;color:var(--text);}
.quote-card figcaption{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--text-2);}
.quote-avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:800;color:#0A0910;background:linear-gradient(135deg,var(--brand),var(--info));}
.evidence-band{margin-top:32px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:26px;border-radius:var(--radius-m);background:rgba(34,29,49,.6);box-shadow:inset 0 0 0 1px var(--line);}
.evidence-band li b{display:block;font-size:24px;font-weight:800;color:var(--brand);letter-spacing:-.02em;}
.evidence-band li span{font-size:13px;color:var(--text-2);}

/* ============ 咨询表单 ============ */
.contact{background:linear-gradient(180deg,rgba(34,29,49,.5) 0%,rgba(10,9,16,0) 100%);}
.contact-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start;}
.panel{padding:30px;border-radius:var(--radius-l);background:var(--surface);box-shadow:inset 0 0 0 1px var(--line),var(--shadow-1);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:13.5px;font-weight:600;color:var(--text-2);}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:var(--radius-s);
  background:var(--bg-1);border:1px solid var(--line);color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease;outline:none;
}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:44px;}
.field textarea{min-height:118px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(184,255,46,.14);}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:14px;line-height:1.7;}
.form-banner{display:none;margin-bottom:18px;padding:12px 16px;border-radius:var(--radius-s);background:rgba(34,197,94,.12);color:#9BE9B8;font-size:13.5px;box-shadow:inset 0 0 0 1px rgba(34,197,94,.35);}
.form-banner.is-show{display:block;}
.aside-block{margin-bottom:20px;}
.aside-block:last-child{margin-bottom:0;}
.aside-block h3{font-size:16px;font-weight:700;margin-bottom:12px;}
.aside-list{display:flex;flex-direction:column;gap:12px;}
.aside-list li{display:flex;justify-content:space-between;gap:16px;font-size:14px;color:var(--text-2);padding-bottom:12px;border-bottom:1px solid var(--line);}
.aside-list li:last-child{border-bottom:0;padding-bottom:0;}
.aside-list li b{color:var(--text);font-weight:600;}
.aside-link{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border-radius:var(--radius-s);background:var(--bg-1);box-shadow:inset 0 0 0 1px var(--line);font-size:14px;color:var(--text-2);}
.aside-link:hover{color:var(--brand);box-shadow:inset 0 0 0 1px rgba(184,255,46,.42);}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{border-radius:var(--radius-m);background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);overflow:hidden;transition:box-shadow .18s ease;}
.faq-item.is-open{box-shadow:inset 0 0 0 1px var(--line-strong),var(--shadow-1);}
.faq-q{width:100%;display:flex;align-items:center;gap:16px;padding:20px 24px;text-align:left;font-size:16px;font-weight:700;color:var(--text);position:relative;}
.faq-item.is-open .faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--brand);}
.faq-q:hover{color:var(--brand);}
.faq-icon{margin-left:auto;flex:none;width:22px;height:22px;position:relative;transition:transform .24s ease;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;}
.faq-icon::before{left:3px;right:3px;top:10px;height:2px;}
.faq-icon::after{top:3px;bottom:3px;left:10px;width:2px;transition:transform .24s ease;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 24px 20px 24px;font-size:14.5px;color:var(--text-2);line-height:1.85;}

/* ============ 页脚 ============ */
.site-footer{border-top:1px solid var(--line);padding:64px 0 0;background:linear-gradient(180deg,rgba(19,16,32,.7) 0%,rgba(10,9,16,1) 100%);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:44px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:13.5px;color:var(--text-2);max-width:34ch;line-height:1.85;}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--text);}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:13.5px;color:rgba(184,255,46,.7);}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.footer-col span{font-size:13.5px;color:var(--text-2);}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--text-3);}

/* ============ 移动端底部 Tab ============ */
.tabbar{display:none;}
.tab-item{position:relative;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;font-size:11.5px;color:var(--text-2);padding:8px 0;}
.tab-item svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.tab-item.is-active{color:var(--brand);}
.tab-item.is-active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:2px;border-radius:2px;background:var(--brand);}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{max-width:1140px;}
}
@media (max-width:1024px){
  :root{--nav-h:66px;}
  .section{padding:76px 0;}
  .main-nav{display:none;}
  .menu-btn{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-copy h1{font-size:34px;}
  .hero-visual{max-width:620px;}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .evidence-grid{grid-template-columns:1fr;gap:18px;}
  .evidence-band{grid-template-columns:repeat(2,1fr);gap:22px;}
  .contact-grid{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  :root{--nav-h:62px;}
  body{padding-bottom:calc(64px + env(safe-area-inset-bottom));}
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:30px;}
  .section-head h2{font-size:24px;}
  .hero{padding:44px 0 60px;}
  .hero-copy h1{font-size:28px;line-height:1.28;}
  .hero-sub{font-size:15.5px;}
  .trust-row{gap:26px;}
  .trust-row li b{font-size:22px;}
  .hero-figure img{aspect-ratio:16/11;}
  .hero-chip.chip-a{right:8px;}
  .hero-chip.chip-b{left:8px;}
  .quick-grid{grid-template-columns:1fr;gap:14px;}
  .ladder-item{margin-left:0 !important;flex-direction:column;align-items:flex-start;gap:14px;padding:20px;}
  .ladder-num{font-size:24px;}
  .ladder-side{width:100%;justify-content:space-between;}
  .plans-grid{grid-template-columns:1fr;gap:20px;}
  .plan-card.is-recommend{transform:none;}
  .plan-card.is-recommend:hover{transform:translateY(-4px);}
  .news-grid{grid-template-columns:1fr;gap:18px;}
  .form-row{grid-template-columns:1fr;gap:16px;}
  .panel{padding:22px;}
  .faq-q{font-size:15px;padding:18px 18px;gap:12px;}
  .faq-a p{padding:0 18px 18px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:30px;}
  .footer-bottom{justify-content:flex-start;}
  .tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:88;
    background:rgba(10,9,16,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
    border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
  }
}
@media (max-width:480px){
  .hero-copy h1{font-size:25px;}
  .btn{padding:13px 22px;font-size:14.5px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .evidence-band{grid-template-columns:1fr 1fr;gap:18px;padding:20px;}
  .quick-card{padding:18px;}
}
@media (min-width:1441px){
  .container{max-width:1220px;}
}

/* roulang page: article */
:root{
  --bg-0:#0A0910;--bg-1:#131020;--surface:#1A1626;--surface-2:#221D31;
  --line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.16);
  --brand:#B8FF2E;--brand-deep:#7BC400;--accent:#FF2E7E;--hot:#FF8A00;--info:#4CC9F0;--ok:#22C55E;
  --text:#F4F3F8;--text-2:#A9A4BC;--text-3:#6E6980;
  --radius-s:8px;--radius-m:14px;--radius-l:20px;--radius-pill:999px;
  --shadow-1:0 8px 24px -12px rgba(0,0,0,.7);
  --shadow-2:0 20px 48px -20px rgba(0,0,0,.85);
  --glow-brand:0 0 0 1px rgba(184,255,46,.35),0 12px 32px -12px rgba(184,255,46,.35);
  --font-sans:"MiSans","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-0);color:var(--text);font-family:var(--font-sans);
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(620px 380px at 12% -6%,rgba(184,255,46,.10),transparent 65%),
    radial-gradient(560px 340px at 92% 4%,rgba(255,46,126,.09),transparent 62%),
    linear-gradient(180deg,#0A0910 0%,#100D1B 52%,#0A0910 100%);
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
b,strong{font-weight:700}
::selection{background:rgba(184,255,46,.28)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,9,16,.62);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(10,9,16,.9);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom-color:var(--line);box-shadow:0 12px 32px -22px rgba(0,0,0,.9);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(140deg,rgba(184,255,46,.22),rgba(255,46,126,.18));
  border:1px solid rgba(184,255,46,.36);
}
.logo-mark svg{width:19px;height:19px;fill:none;stroke:var(--brand);stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.logo-text{font-size:16.5px;color:var(--text)}
.logo-text b{color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  display:inline-block;padding:8px 14px;border-radius:var(--radius-pill);
  font-size:15px;color:var(--text-2);transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-link.is-active{color:var(--brand);background:rgba(184,255,46,.1)}
.nav-link.is-active::after{content:"";display:block;height:2px;border-radius:2px;background:var(--brand);margin-top:4px}
.header-actions{display:flex;align-items:center;gap:12px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-pill);font-weight:700;font-size:15px;
  padding:12px 24px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#0A0910}
.btn-primary:hover{background:#c6ff56;box-shadow:var(--glow-brand);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border:1px solid var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-strong);
  place-items:center;background:rgba(255,255,255,.04);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);margin:4px auto;transition:.2s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.mobile-drawer{
  position:fixed;top:0;left:0;right:0;z-index:79;
  padding:96px 24px 28px;background:rgba(12,10,20,.98);
  border-bottom:1px solid var(--line);
  transform:translateY(-102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
}
.mobile-drawer.is-open{transform:translateY(0)}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px;color:var(--text-2);
}
.mobile-drawer a:hover,.mobile-drawer a.is-active{color:var(--brand)}
.mobile-drawer .drawer-cta{margin-top:18px;border:0;justify-content:center}
.mobile-drawer a.drawer-cta{color:#0A0910}

/* ============ 面包屑 ============ */
.crumb-bar{padding:22px 0 0}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--text-3)}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--text-3);opacity:.7}
.breadcrumb a{color:var(--text-2);transition:color .18s}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .crumb-current{color:var(--text-3);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头部 ============ */
.article-head{
  position:relative;margin-top:18px;padding:44px 0 40px;overflow:hidden;
  border-bottom:1px solid var(--line);
}
.article-head::before{
  content:"";position:absolute;inset:0;z-index:0;opacity:.5;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  clip-path:polygon(0 0,100% 0,100% 82%,0 100%);
}
.article-head::after{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    linear-gradient(100deg,rgba(10,9,16,.95) 0%,rgba(10,9,16,.86) 46%,rgba(10,9,16,.5) 100%),
    radial-gradient(520px 300px at 88% 0%,rgba(184,255,46,.16),transparent 68%);
}
.article-head .container{position:relative;z-index:2}
.article-head-inner{max-width:880px}
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;padding:5px 13px;letter-spacing:.02em;
}
.badge-brand{color:var(--brand);border:1px solid rgba(184,255,46,.42);background:rgba(184,255,46,.08)}
.badge-hot{color:#1A1005;background:var(--hot)}
.badge-accent{color:#fff;background:rgba(255,46,126,.22);border:1px solid rgba(255,46,126,.5)}
.article-head h1{
  margin-top:18px;font-size:40px;line-height:1.18;font-weight:800;letter-spacing:-.02em;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:20px;font-size:13.5px;color:var(--text-3)}
.article-meta li{display:inline-flex;align-items:center;gap:7px}
.article-meta li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand);opacity:.75}
.article-meta li:first-child::before{background:var(--accent)}

/* ============ 布局 ============ */
.article-wrap{padding:52px 0 96px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start}

/* ============ 正文排版 ============ */
.article-body{
  max-width:800px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-l);padding:44px 46px;box-shadow:var(--shadow-1);
  font-size:16.5px;line-height:1.9;color:#E7E5F0;
}
.article-body>*+*{margin-top:1.2em}
.article-body p{color:#DAD7E5}
.article-body h2{
  position:relative;font-size:24px;line-height:1.35;font-weight:800;color:var(--text);
  margin-top:1.8em;padding-left:16px;letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
}
.article-body h3{font-size:19px;font-weight:700;color:var(--text);margin-top:1.6em}
.article-body h4{font-size:17px;font-weight:700;color:var(--text-2);margin-top:1.4em}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:#d3ff70}
.article-body ul,.article-body ol{padding-left:0}
.article-body ul li{position:relative;padding-left:22px;margin:.6em 0;color:#DAD7E5}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--brand);opacity:.85;transform:rotate(45deg);
}
.article-body ol{counter-reset:olnum}
.article-body ol li{position:relative;padding-left:34px;margin:.6em 0;counter-increment:olnum;color:#DAD7E5}
.article-body ol li::before{
  content:counter(olnum,decimal-leading-zero);position:absolute;left:0;top:.16em;
  font-size:12.5px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:1.5em 0;padding:18px 22px;border-left:4px solid var(--brand);
  background:rgba(184,255,46,.06);border-radius:0 var(--radius-m) var(--radius-m) 0;color:#E9E7F2;
}
.article-body blockquote p{margin:0;color:#E9E7F2}
.article-body img{border-radius:var(--radius-m);margin:1.4em auto;border:1px solid var(--line)}
.article-body figure{margin:1.5em 0}
.article-body figcaption{text-align:center;font-size:12.5px;color:var(--text-3);margin-top:10px}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:1.5em 0;
  border:1px solid var(--line);border-radius:var(--radius-m);font-size:14.5px;
}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.article-body th{background:var(--surface-2);color:var(--text);font-weight:700}
.article-body tr:last-child td{border-bottom:0}
.article-body pre{
  background:#0C0A15;border:1px solid var(--line);border-radius:var(--radius-m);
  padding:18px 20px;overflow-x:auto;font-family:ui-monospace,Menlo,Consolas,monospace;
  font-size:13.5px;line-height:1.7;color:#CFEFB4;
}
.article-body code{
  font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.92em;
  background:rgba(184,255,46,.12);border-radius:6px;padding:2px 6px;color:#D6FF8C;
}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}

.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--radius-m);
  padding:38px 24px;text-align:center;color:var(--text-2);background:rgba(255,255,255,.02);
}
.empty-state svg{width:44px;height:44px;margin:0 auto 14px;fill:none;stroke:var(--brand);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;opacity:.85}
.empty-state h3{font-size:18px;color:var(--text);margin-bottom:8px}
.empty-state p{font-size:14px;color:var(--text-3);margin-bottom:18px}

/* ============ 正文尾部 ============ */
.article-foot{max-width:800px;margin-top:28px}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-row .tag-label{font-size:13px;color:var(--text-3);margin-right:2px}
.tag{
  display:inline-block;font-size:12.5px;padding:6px 14px;border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);color:var(--text-2);transition:.18s;
}
.tag:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}

.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.pager-card{
  display:block;padding:20px 22px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-m);box-shadow:var(--shadow-1);transition:.2s ease;
}
.pager-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.pager-card .pager-label{font-size:12.5px;color:var(--brand);letter-spacing:.04em}
.pager-card strong{display:block;margin-top:8px;font-size:16px;color:var(--text);line-height:1.5}
.pager-card span.desc{display:block;margin-top:8px;font-size:13.5px;color:var(--text-3);line-height:1.7}
.pager-card.is-next{text-align:right}
.back-row{margin-top:26px}

/* ============ 侧栏 ============ */
.article-side{position:sticky;top:92px;display:grid;gap:20px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:24px;box-shadow:var(--shadow-1);
}
.side-card h3{
  font-size:16.5px;font-weight:800;color:var(--text);display:flex;align-items:center;gap:9px;
  padding-bottom:14px;border-bottom:1px solid var(--line);
}
.side-card h3::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--brand);transform:rotate(45deg)}
.side-links{display:grid;gap:4px;margin-top:12px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 12px;border-radius:var(--radius-s);font-size:14.5px;color:var(--text-2);
  border:1px solid transparent;transition:.18s ease;
}
.side-links a:hover{background:var(--surface-2);border-color:var(--line);color:var(--text)}
.side-links a:hover .arrow{transform:translateX(4px);color:var(--brand)}
.side-links .arrow{transition:.18s ease;color:var(--text-3);font-size:15px}
.side-note{font-size:13px;color:var(--text-3);line-height:1.8;margin-top:14px}
.side-list{margin-top:14px;display:grid;gap:12px}
.side-list li{display:flex;gap:10px;font-size:13.5px;color:var(--text-2);line-height:1.75}
.side-list li i{
  flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--brand);
  margin-top:8px;font-style:normal;
}
.side-cta{margin-top:18px;display:grid;gap:10px}
.side-cta .btn{width:100%}

/* ============ 相关推荐 ============ */
.related{padding:0 0 96px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px}
.section-head h2{font-size:30px;font-weight:800;letter-spacing:-.02em;line-height:1.25}
.section-head p{margin-top:10px;color:var(--text-2);font-size:14.5px}
.section-head .more{font-size:14px;color:var(--text-2);transition:.18s;white-space:nowrap}
.section-head .more:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}

.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;box-shadow:var(--shadow-1);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
  display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.news-thumb{position:relative;aspect-ratio:16/9;background:var(--surface-2);overflow:hidden}
.news-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,9,16,0) 40%,rgba(10,9,16,.7) 100%);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-thumb .badge{position:absolute;top:12px;left:12px;z-index:2}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:17px;font-weight:700;line-height:1.5;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:13.5px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3)}
.news-meta .read{color:var(--brand);font-weight:600}
.news-card:hover .news-meta .read{text-decoration:underline;text-underline-offset:3px}

/* ============ 转化条 ============ */
.cta-band{padding:0 0 96px}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--radius-l);
  border:1px solid rgba(184,255,46,.28);background:var(--bg-1);
  padding:44px 46px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-2);
}
.cta-inner::before{
  content:"";position:absolute;inset:0;opacity:.28;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.cta-inner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,9,16,.95),rgba(10,9,16,.72));
}
.cta-inner>*{position:relative;z-index:2}
.cta-inner h2{font-size:28px;font-weight:800;letter-spacing:-.02em;line-height:1.3}
.cta-inner p{margin-top:12px;color:var(--text-2);font-size:14.5px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{border-top:1px solid var(--line);background:rgba(9,8,14,.92);padding:64px 0 30px;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:13.5px;color:var(--text-2);line-height:1.85;max-width:340px}
.footer-col h4{font-size:14.5px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:11px}
.footer-col li{font-size:13.5px;color:var(--text-2);line-height:1.7}
.footer-col a{color:rgba(184,255,46,.7);transition:.18s}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);
}

/* ============ 移动底部 Tab ============ */
.mobile-tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:85;
  background:rgba(10,9,16,.96);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tabbar ul{display:grid;grid-template-columns:repeat(5,1fr)}
.tab-item{
  position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:10px 4px 12px;font-size:11.5px;color:var(--text-3);transition:color .18s;
}
.tab-item svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.tab-item.is-active{color:var(--brand)}
.tab-item.is-active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:2px;border-radius:2px;background:var(--brand)}
.tab-item:active{color:var(--brand)}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 310px;gap:30px}
  .article-body{padding:38px 34px}
}
@media (max-width:1024px){
  .main-nav{display:none}
  .nav-toggle{display:grid}
  .article-layout{grid-template-columns:1fr;gap:34px}
  .article-side{position:static}
  .article-body{max-width:none}
  .article-foot{max-width:none}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:900px){
  .article-head h1{font-size:32px}
  .section-head h2{font-size:26px}
}
@media (max-width:768px){
  body{padding-bottom:calc(66px + env(safe-area-inset-bottom))}
  .container{padding:0 18px}
  .mobile-tabbar{display:block}
  .header-actions .btn{display:none}
  .crumb-bar{padding-top:16px}
  .article-head{padding:30px 0 30px;margin-top:12px}
  .article-head::before{clip-path:none}
  .article-head h1{font-size:28px;line-height:1.28}
  .article-wrap{padding:34px 0 64px}
  .article-body{padding:26px 20px;font-size:15.5px;line-height:1.85;border-radius:var(--radius-m)}
  .article-body h2{font-size:20px}
  .article-body h3{font-size:17.5px}
  .related,.cta-band{padding-bottom:64px}
  .pager{grid-template-columns:1fr}
  .pager-card.is-next{text-align:left}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:32px 24px}
  .cta-inner h2{font-size:23px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:520px){
  .container{padding:0 15px}
  .card-grid{grid-template-columns:1fr}
  .article-head h1{font-size:24px}
  .section-head h2{font-size:22px}
  .article-meta{gap:8px 16px;font-size:13px}
  .logo-text{font-size:15px}
  .btn{padding:11px 20px;font-size:14.5px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --bg-0:#0A0910;
  --bg-1:#131020;
  --surface:#1A1626;
  --surface-2:#221D31;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#B8FF2E;
  --brand-deep:#7BC400;
  --accent:#FF2E7E;
  --hot:#FF8A00;
  --info:#4CC9F0;
  --ok:#22C55E;
  --text:#F4F3F8;
  --text-2:#A9A4BC;
  --text-3:#6E6980;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:20px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px -12px rgba(0,0,0,.7);
  --shadow-2:0 20px 48px -20px rgba(0,0,0,.85);
  --glow-brand:0 0 0 1px rgba(184,255,46,.35),0 12px 32px -12px rgba(184,255,46,.35);
  --font-sans:"MiSans","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg-0);
  overflow-x:hidden;
  padding-bottom:0;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.2}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(184,255,46,.28);color:#fff}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:780px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.16em;
  color:var(--brand);text-transform:uppercase;
  font-variant-numeric:tabular-nums;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}
.section-title{font-size:30px;font-weight:800;margin:14px 0 14px}
.section-desc{color:var(--text-2);font-size:16px;max-width:660px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease,filter .18s ease;
  white-space:nowrap;
}
.btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{background:var(--brand);color:#0A0910}
.btn-primary:hover{filter:brightness(1.06);box-shadow:var(--glow-brand);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:10px 20px;font-size:14px}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:700;letter-spacing:.03em;
  border:1px solid transparent;
}
.badge-brand{background:rgba(184,255,46,.1);border-color:rgba(184,255,46,.38);color:var(--brand)}
.badge-hot{background:var(--hot);color:#1A1000}
.badge-accent{background:rgba(255,46,126,.12);border-color:rgba(255,46,126,.4);color:#FF7CB0}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,9,16,.72);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:rgba(10,9,16,.94);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  display:grid;place-items:center;color:#0A0910;
  box-shadow:0 8px 20px -10px rgba(184,255,46,.7);
}
.logo-mark svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.logo-text{font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.logo-text b{color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  padding:9px 14px;border-radius:var(--radius-pill);
  font-size:15px;color:var(--text-2);white-space:nowrap;
  transition:color .18s ease,background .18s ease,box-shadow .18s ease;
}
.nav-link:hover{color:var(--text);background:var(--surface)}
.nav-link.is-active{color:var(--brand);background:rgba(184,255,46,.08);box-shadow:inset 0 0 0 1px rgba(184,255,46,.3)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);color:var(--text);
  align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .18s ease,color .18s ease;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
.nav-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:64px 0 0;z-index:78;
  background:rgba(10,9,16,.98);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  padding:24px;display:flex;flex-direction:column;gap:8px;
  transform:translateX(102%);transition:transform .28s ease;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 18px;border-radius:var(--radius-m);
  background:var(--surface);border:1px solid var(--line);
  font-size:16px;font-weight:600;color:var(--text-2);
}
.drawer-link.is-active{color:var(--brand);border-color:rgba(184,255,46,.38);background:rgba(184,255,46,.07)}
.drawer-link svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.drawer-cta{margin-top:10px}

/* ---------- 分类首屏 ---------- */
.cat-hero{position:relative;overflow:hidden;padding:76px 0 0;border-bottom:1px solid var(--line)}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.34;
}
.cat-hero::before{
  content:"";position:absolute;width:520px;height:520px;left:-140px;top:-180px;
  background:radial-gradient(circle,rgba(184,255,46,.34) 0%,transparent 68%);
  filter:blur(80px);pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,9,16,.62) 0%,rgba(10,9,16,.86) 52%,var(--bg-0) 100%);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:26px}
.breadcrumb a{color:var(--text-2);transition:color .18s ease}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{color:var(--text-3);opacity:.6}
.breadcrumb .current{color:var(--text-3)}
.cat-hero h1{
  font-size:clamp(28px,4.2vw,44px);font-weight:800;line-height:1.16;
  max-width:900px;margin:18px 0 18px;
}
.cat-hero h1 em{font-style:normal;color:var(--brand)}
.cat-hero-sub{color:var(--text-2);font-size:17px;max-width:620px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:44px;
  margin-top:44px;padding:28px 0 44px;
  border-top:1px solid var(--line);
}
.hero-facts li{display:flex;flex-direction:column;gap:2px}
.hero-facts strong{font-size:23px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.hero-facts span{font-size:13.5px;color:var(--text-3)}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split.reverse{grid-template-columns:.95fr 1.05fr}
.split-media{
  position:relative;border-radius:var(--radius-l);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-2);
  aspect-ratio:16/10;background:var(--surface-2);
}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 46%,rgba(10,9,16,.7) 100%);
}
.split-media .media-tag{
  position:absolute;left:18px;bottom:18px;z-index:2;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(10,9,16,.78);border:1px solid rgba(184,255,46,.35);
  color:var(--brand);font-size:12.5px;font-weight:700;
}
.split-text h2{font-size:28px;font-weight:800;margin:16px 0 18px}
.split-text p{color:var(--text-2);margin-bottom:16px}
.split-text p:last-of-type{margin-bottom:0}
.check-list{display:grid;gap:12px;margin-top:24px}
.check-list li{display:flex;gap:12px;align-items:flex-start;color:var(--text-2);font-size:15.5px}
.check-list li svg{
  width:18px;height:18px;flex-shrink:0;margin-top:5px;
  fill:none;stroke:var(--brand);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;
}
.check-list li b{color:var(--text);font-weight:700}
.step-list{display:grid;gap:16px;margin-top:24px;counter-reset:none}
.step-list li{
  display:flex;gap:16px;align-items:flex-start;
  padding:16px 18px;border-radius:var(--radius-m);
  background:var(--surface);border:1px solid var(--line);
}
.step-list .n{
  flex:0 0 34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:rgba(184,255,46,.1);border:1px solid rgba(184,255,46,.34);
  color:var(--brand);font-weight:800;font-size:14px;
  font-variant-numeric:tabular-nums;
}
.step-list strong{display:block;font-size:15.5px;margin-bottom:2px}
.step-list span{color:var(--text-2);font-size:14.5px}

/* ---------- 上图下文 ---------- */
.feature-stack{
  border-radius:var(--radius-l);overflow:hidden;
  border:1px solid var(--line);background:var(--surface);
  box-shadow:var(--shadow-2);
}
.feature-stack .stack-media{position:relative;aspect-ratio:21/8;background:var(--surface-2);overflow:hidden}
.feature-stack .stack-media img{width:100%;height:100%;object-fit:cover}
.feature-stack .stack-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,9,16,.15) 0%,rgba(10,9,16,.9) 100%);
}
.feature-stack .stack-body{padding:38px 40px 42px}
.feature-stack .stack-body h2{font-size:26px;font-weight:800;margin:14px 0 14px}
.feature-stack .stack-body p{color:var(--text-2);max-width:840px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag{
  padding:7px 15px;border-radius:var(--radius-pill);
  background:var(--surface-2);border:1px solid var(--line);
  color:var(--text-2);font-size:13.5px;
  transition:border-color .18s ease,color .18s ease;
}
.tag:hover{border-color:rgba(184,255,46,.4);color:var(--brand)}

/* ---------- 入口卡片 ---------- */
.entry-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.entry-row{
  display:flex;gap:18px;align-items:flex-start;
  padding:24px;border-radius:var(--radius-m);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.entry-row:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.entry-icon{
  flex:0 0 48px;height:48px;border-radius:13px;
  display:grid;place-items:center;
  background:rgba(184,255,46,.09);border:1px solid rgba(184,255,46,.3);
  color:var(--brand);
}
.entry-icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.entry-body{flex:1;min-width:0}
.entry-body h3{font-size:17px;font-weight:700;margin-bottom:6px}
.entry-body p{color:var(--text-2);font-size:14.5px;margin-bottom:12px}
.entry-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:700;font-size:14px;
}
.entry-link svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease}
.entry-row:hover .entry-link svg{transform:translateX(4px)}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step-card{
  padding:26px 22px;border-radius:var(--radius-m);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--shadow-1);position:relative;overflow:hidden;
  transition:transform .2s ease,border-color .2s ease;
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(184,255,46,.35)}
.step-card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--brand),transparent);
  opacity:.6;
}
.step-num{
  font-size:30px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.step-card h3{font-size:16.5px;font-weight:700;margin:10px 0 8px}
.step-card p{color:var(--text-2);font-size:14.5px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-m);
  background:var(--surface);overflow:hidden;position:relative;
  transition:border-color .2s ease;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.is-open{border-color:rgba(184,255,46,.32)}
.faq-item.is-open::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--brand);
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;color:var(--text);
  font-size:16.5px;font-weight:600;text-align:left;cursor:pointer;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-q .plus{
  flex:0 0 26px;height:26px;border-radius:50%;position:relative;
  border:1px solid var(--line-strong);
  transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-q .plus::before{left:7px;right:7px;top:12px;height:1.6px}
.faq-q .plus::after{top:7px;bottom:7px;left:12px;width:1.6px;transition:opacity .25s ease}
.faq-item.is-open .plus{transform:rotate(180deg);border-color:var(--brand);background:rgba(184,255,46,.1)}
.faq-item.is-open .plus::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a-inner{padding:0 24px 22px;color:var(--text-2);font-size:15.5px}

/* ---------- 底部转化条 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-l);border:1px solid rgba(184,255,46,.34);
  background:linear-gradient(120deg,rgba(184,255,46,.1) 0%,rgba(255,46,126,.09) 100%);
  padding:48px;display:flex;gap:32px;align-items:center;justify-content:space-between;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;width:420px;height:420px;right:-120px;bottom:-220px;
  background:radial-gradient(circle,rgba(255,46,126,.3) 0%,transparent 66%);
  filter:blur(80px);
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:27px;font-weight:800;margin-bottom:10px}
.cta-band p{color:var(--text-2);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-1);padding:64px 0 34px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand p{color:var(--text-2);font-size:14.5px;max-width:360px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px;color:var(--text)}
.footer-col ul{display:grid;gap:11px}
.footer-col li{color:var(--text-3);font-size:14px}
.footer-col a{color:rgba(184,255,46,.7);font-size:14px;transition:color .18s ease}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.footer-col span{color:var(--text-3);font-size:14px}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}

/* ---------- 移动底部 Tab ---------- */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(10,9,16,.95);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  padding:8px 6px calc(8px + env(safe-area-inset-bottom,0px));
  grid-template-columns:repeat(5,1fr);
}
.tab-item{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:6px 2px;font-size:11.5px;color:var(--text-3);
  position:relative;transition:color .18s ease;
}
.tab-item svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.tab-item.is-active{color:var(--brand)}
.tab-item.is-active::before{
  content:"";position:absolute;top:-9px;left:26%;right:26%;height:2px;
  background:var(--brand);border-radius:2px;
}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  .container{max-width:1280px}
}
@media (max-width:1024px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-sm{display:none}
  .section{padding:72px 0}
  .split,.split.reverse{grid-template-columns:1fr;gap:36px}
  .split.reverse .split-media{order:-1}
  .steps{grid-template-columns:repeat(2,1fr)}
  .entry-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .feature-stack .stack-body{padding:32px 30px 36px}
}
@media (max-width:768px){
  body{padding-bottom:76px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .header-inner{height:64px;gap:14px}
  .site-header.is-scrolled .header-inner{height:58px}
  .logo-text{font-size:15.5px}
  .logo-mark{width:30px;height:30px;border-radius:10px}
  .mobile-drawer{inset:58px 0 0;padding:18px}
  .cat-hero{padding:56px 0 0}
  .cat-hero-sub{font-size:15.5px}
  .hero-facts{gap:26px;padding:22px 0 32px;margin-top:32px}
  .hero-facts strong{font-size:19px}
  .section-title{font-size:23px}
  .split-text h2,.feature-stack .stack-body h2,.cta-band h2{font-size:21px}
  .feature-stack .stack-media{aspect-ratio:16/9}
  .feature-stack .stack-body{padding:26px 20px 30px}
  .cta-band{padding:30px 22px;gap:22px}
  .entry-row{padding:20px}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
  .footer-brand p{max-width:none}
  .site-footer{padding:48px 0 28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .tabbar{display:grid}
}
@media (max-width:520px){
  body{font-size:15.5px;line-height:1.8}
  .cat-hero h1{font-size:26px}
  .hero-cta{gap:10px}
  .hero-cta .btn{flex:1 1 100%}
  .hero-facts{gap:18px}
  .entry-row{gap:14px;padding:18px}
  .entry-icon{flex:0 0 42px;height:42px;border-radius:11px}
  .faq-q{padding:17px 18px;font-size:15.5px}
  .faq-a-inner{padding:0 18px 18px;font-size:15px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
}

/* roulang page: category2 */
:root{
  --bg-0:#0A0910;
  --bg-1:#131020;
  --surface:#1A1626;
  --surface-2:#221D31;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#B8FF2E;
  --brand-deep:#7BC400;
  --accent:#FF2E7E;
  --hot:#FF8A00;
  --info:#4CC9F0;
  --ok:#22C55E;
  --text:#F4F3F8;
  --text-2:#A9A4BC;
  --text-3:#6E6980;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:20px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px -12px rgba(0,0,0,.7);
  --shadow-2:0 20px 48px -20px rgba(0,0,0,.85);
  --glow-brand:0 0 0 1px rgba(184,255,46,.35), 0 12px 32px -12px rgba(184,255,46,.35);
  --font-sans:"MiSans","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg-0);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.02em}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
::selection{background:rgba(184,255,46,.3)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(10,9,16,.72);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  transition:background .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{background:rgba(10,9,16,.92)}
.header-inner{
  display:flex;align-items:center;gap:20px;
  height:72px;transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:60px}

.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.02em;flex:none}
.logo-mark{
  width:34px;height:34px;flex:none;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(184,255,46,.18),rgba(255,46,126,.18));
  border:1px solid rgba(184,255,46,.35);
}
.logo-mark svg{width:18px;height:18px;fill:none;stroke:var(--brand);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.logo-text b{color:var(--brand)}

.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:inline-block;padding:9px 14px;border-radius:var(--radius-pill);
  font-size:14.5px;color:var(--text-2);transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--brand);background:rgba(184,255,46,.10)}

.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-s);
  border:1px solid var(--line-strong);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;transition:.2s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

.mobile-drawer{
  display:none;position:absolute;top:100%;left:0;right:0;
  background:var(--bg-1);border-bottom:1px solid var(--line);
  padding:14px 24px 22px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer .nav-link{display:block;padding:13px 12px;font-size:15.5px;border-radius:var(--radius-s)}
.mobile-drawer .nav-link + .nav-link{border-top:1px solid var(--line)}
.mobile-drawer .btn{width:100%;margin-top:14px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:15px;border-radius:var(--radius-pill);
  padding:14px 28px;border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--brand);color:#0A0910}
.btn-primary:hover{box-shadow:var(--glow-brand);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{padding:10px 18px;font-size:14px}

/* ---------- Hero ---------- */
.hero-cat{position:relative;overflow:hidden;padding:56px 0 68px;border-bottom:1px solid var(--line)}
.hero-cat::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  opacity:.16;
}
.hero-cat::after{
  content:"";position:absolute;width:520px;height:520px;right:-140px;top:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(184,255,46,.28),transparent 68%);
  filter:blur(70px);pointer-events:none;
}
.hero-cat .container{position:relative;z-index:2}
.hero-inner{max-width:840px}

.breadcrumb{margin-bottom:24px}
.breadcrumb ol{display:flex;flex-wrap:wrap;list-style:none;font-size:13.5px;color:var(--text-3)}
.breadcrumb li{display:flex;align-items:center}
.breadcrumb li+li::before{content:"/";margin:0 9px;color:var(--text-3)}
.breadcrumb a{color:var(--text-2);transition:color .18s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb [aria-current="page"]{color:var(--text-3)}

.hero-badges{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:20px}
.badge-hot{
  display:inline-flex;align-items:center;gap:6px;background:var(--hot);color:#1A1200;
  font-size:12.5px;font-weight:800;padding:5px 12px;border-radius:var(--radius-pill);
}
.badge-outline{
  display:inline-flex;align-items:center;gap:6px;border:1px solid rgba(184,255,46,.45);color:var(--brand);
  font-size:12.5px;font-weight:700;padding:4px 12px;border-radius:var(--radius-pill);
}
.countdown{font-variant-numeric:tabular-nums;font-weight:800;color:var(--hot);letter-spacing:.03em}

.hero-title .title-main{display:block;font-size:40px;font-weight:800;line-height:1.15}
.hero-title .title-sub{
  display:block;margin-top:14px;font-size:17px;font-weight:500;color:var(--text-2);line-height:1.6;
}
.hero-lead{margin-top:18px;font-size:16px;color:var(--text-2);max-width:620px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:42px;max-width:660px}
.stat{background:rgba(26,22,38,.72);border:1px solid var(--line);border-radius:var(--radius-m);padding:16px 18px}
.stat-num{font-size:22px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-label{font-size:13px;color:var(--text-3);margin-top:4px}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section--alt{background:var(--bg-1)}
.section-head{max-width:740px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);opacity:.7}
.section-head h2{font-size:30px;font-weight:800}
.section-head p{margin-top:14px;color:var(--text-2);font-size:15.5px}

/* ---------- 图文说明 ---------- */
.figure-top{margin-bottom:34px;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2)}
.figure-top img{width:100%;aspect-ratio:16/7;object-fit:cover}
.figure-caption{margin-top:12px;font-size:12.5px;color:var(--text-3)}
.text-body{max-width:860px}
.text-body p{color:var(--text-2);margin-bottom:18px;font-size:15.8px}
.text-body p:last-child{margin-bottom:0}
.text-body strong{color:var(--text)}

.points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:34px}
.point{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);padding:22px;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.point:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.point h3{font-size:16.5px;font-weight:700;margin-bottom:8px}
.point p{font-size:14px;color:var(--text-2)}

/* ---------- 优惠阶梯 ---------- */
.ladder{display:grid;gap:14px}
.ladder-item{
  display:grid;grid-template-columns:60px 1fr auto;gap:22px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:22px 26px;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.ladder-item:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.ladder-item:nth-child(2){margin-left:24px}
.ladder-item:nth-child(3){margin-left:48px}
.ladder-item:nth-child(4){margin-left:72px}
.ladder-num{font-size:28px;font-weight:800;color:rgba(184,255,46,.45);font-variant-numeric:tabular-nums;line-height:1}
.ladder-title{font-size:18px;font-weight:700;margin-bottom:8px}
.ladder-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:12.5px;padding:3px 10px;border-radius:var(--radius-pill);border:1px solid var(--line-strong);color:var(--text-2)}
.ladder-side{text-align:right;display:grid;gap:8px;justify-items:end}
.ladder-gate{font-size:13.5px;color:var(--text-3)}
.ladder-gate b{color:var(--hot);font-weight:800;font-variant-numeric:tabular-nums}
.ladder-cta{font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.ladder-cta svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;transition:transform .18s ease}
.ladder-item:hover .ladder-cta svg{transform:translateX(4px)}

/* ---------- 套餐对比 ---------- */
.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:start}
.plan{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-l);padding:30px 24px;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.plan:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.plan--rec{
  background:var(--surface-2);border-color:rgba(184,255,46,.45);
  box-shadow:var(--glow-brand);transform:translateY(-14px);
}
.plan--rec::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand);border-radius:var(--radius-l) var(--radius-l) 0 0}
.plan--rec:hover{transform:translateY(-18px)}
.plan-badge{
  position:absolute;top:14px;right:18px;background:var(--brand);color:#0A0910;
  font-size:12px;font-weight:800;padding:4px 12px;border-radius:var(--radius-pill);
}
.plan h3{font-size:19px;font-weight:800}
.plan-price{margin-top:12px;font-size:26px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.plan-price small{font-size:13px;font-weight:500;color:var(--text-3);margin-left:6px}
.plan ul{list-style:none;margin-top:22px;display:grid;gap:12px}
.plan li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);align-items:flex-start}
.plan li svg{flex:none;width:16px;height:16px;margin-top:5px;fill:none;stroke:var(--brand);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.plan li.is-off{color:var(--text-3)}
.plan li.is-off svg{stroke:var(--text-3)}
.plan .btn{width:100%;margin-top:24px}

/* ---------- 入口卡组 ---------- */
.entry-list{display:grid;gap:14px}
.entry-row{
  display:grid;grid-template-columns:52px 1fr auto;gap:18px;align-items:center;
  padding:18px 22px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-m);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.entry-row:hover{transform:translateX(4px);border-color:rgba(184,255,46,.45);box-shadow:var(--shadow-1)}
.entry-icon{
  width:52px;height:52px;border-radius:var(--radius-s);display:grid;place-items:center;
  background:rgba(184,255,46,.10);border:1px solid rgba(184,255,46,.28);
}
.entry-icon svg{width:22px;height:22px;fill:none;stroke:var(--brand);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.entry-row h3{font-size:16.5px;font-weight:700;margin-bottom:4px}
.entry-row p{font-size:14px;color:var(--text-3)}
.entry-action{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand)}
.entry-action svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;transition:transform .18s ease}
.entry-row:hover .entry-action svg{transform:translateX(4px)}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step{position:relative;background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-m);padding:24px;transition:border-color .18s ease,transform .18s ease}
.step:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.step-num{font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--hot);font-variant-numeric:tabular-nums}
.step h3{font-size:17px;font-weight:700;margin:12px 0 8px}
.step p{font-size:14px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq{max-width:880px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);margin-bottom:12px;overflow:hidden;transition:border-color .18s ease}
.faq-item[open]{border-color:rgba(184,255,46,.42)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;cursor:pointer;font-size:16px;font-weight:700;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item[open] summary{box-shadow:inset 3px 0 0 var(--brand)}
.faq-icon{position:relative;width:16px;height:16px;flex:none}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .22s ease,opacity .22s ease;
}
.faq-icon::before{top:7px;left:0;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-answer{padding:0 22px 20px;color:var(--text-2);font-size:14.8px}

/* ---------- CTA ---------- */
.cta-band{
  display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
  padding:42px 46px;border-radius:var(--radius-l);
  background:linear-gradient(120deg,rgba(184,255,46,.12),rgba(255,46,126,.10)),var(--bg-1);
  border:1px solid rgba(184,255,46,.28);
}
.cta-band h2{font-size:26px;font-weight:800}
.cta-band p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.contact-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:26px}
.contact-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);padding:18px 20px}
.contact-item h4{font-size:14.5px;font-weight:700;margin-bottom:6px}
.contact-item p{font-size:13.5px;color:var(--text-3)}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-1);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{color:var(--text-3);font-size:14px;max-width:330px}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{color:rgba(184,255,46,.7);font-size:14px;transition:color .18s ease}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.footer-col span{color:var(--text-3);font-size:14px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);
}

/* ---------- 移动底部 Tab ---------- */
.mobile-tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:rgba(10,9,16,.94);border-top:1px solid var(--line);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  padding:8px 4px calc(8px + env(safe-area-inset-bottom));
}
.tab-item{
  flex:1;position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:6px 0;font-size:11.5px;color:var(--text-3);transition:color .18s ease;
}
.tab-item svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.tab-item.is-active{color:var(--brand)}
.tab-item.is-active::before{
  content:"";position:absolute;top:-8px;width:28px;height:2px;border-radius:2px;background:var(--brand);
}
.tab-item:active{color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .container{max-width:1200px}
}
@media (max-width:1024px){
  .plans{grid-template-columns:1fr;gap:16px}
  .plan--rec{transform:none}
  .plan--rec:hover{transform:translateY(-4px)}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:28px}
  .footer-col:last-child{grid-column:span 3}
  .footer-col:last-child ul{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  body{padding-bottom:76px}
  .container{padding:0 20px}
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .header-actions .btn-sm{display:none}
  .hero-cat{padding:40px 0 52px}
  .hero-title .title-main{font-size:28px}
  .hero-title .title-sub{font-size:15.5px}
  .hero-stats{grid-template-columns:1fr;max-width:none;gap:10px}
  .section{padding:64px 0}
  .section-head h2{font-size:24px}
  .points{grid-template-columns:1fr}
  .ladder-item{margin-left:0 !important;grid-template-columns:44px 1fr;gap:14px;padding:20px}
  .ladder-side{grid-column:2;justify-items:start;text-align:left}
  .entry-row{grid-template-columns:44px 1fr;gap:14px;padding:16px 18px}
  .entry-icon{width:44px;height:44px}
  .entry-action{grid-column:2}
  .steps{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:28px 22px}
  .contact-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-col:last-child{grid-column:span 2}
  .footer-col:last-child ul{grid-template-columns:1fr}
  .mobile-tabbar{display:flex}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero-title .title-main{font-size:25px}
  .section{padding:48px 0}
  .section-head h2{font-size:22px}
  .text-body p{font-size:15px}
  .footer-grid{grid-template-columns:1fr}
  .footer-col:last-child{grid-column:span 1}
  .btn{padding:12px 22px;font-size:14.5px}
  .cta-actions .btn{width:100%}
}