/* roulang page: index */
:root{
  --ink:#0A0D10;
  --char:#12161C;
  --deep:#1B2028;
  --paper:#F7F5EF;
  --white:#FFFFFF;
  --text:#15181D;
  --muted:#5C636E;
  --line:#D9D6CC;
  --lime:#C6FF3A;
  --lime-soft:rgba(198,255,58,.16);
  --lime-line:rgba(198,255,58,.28);
  --orange:#FF6B35;
  --orange-soft:#FFE4D8;
  --radius:14px;
  --radius-lg:18px;
  --radius-btn:10px;
  --shadow-soft:0 12px 28px rgba(8,12,16,.08);
  --shadow-deep:0 18px 40px rgba(8,12,16,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:92px 0}
.section-tight{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12.5px;font-weight:600;letter-spacing:.16em;
  color:var(--orange);text-transform:uppercase;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--orange);display:inline-block}
.h2{
  font-size:clamp(30px,3.4vw,42px);
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.01em;
  margin:16px 0 0;
}
.lead{font-size:20px;line-height:1.75;color:var(--muted);margin-top:18px;max-width:640px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--line);padding-bottom:3px;
  text-underline-offset:3px;transition:color .2s,border-color .2s;
}
.text-link:hover{color:var(--orange);border-color:var(--orange)}
.text-link .arw{transition:transform .2s var(--ease)}
.text-link:hover .arw{transform:translateX(4px)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),background .2s,border-color .2s,color .2s,box-shadow .2s;
}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-primary{background:var(--lime);color:#0A0D10;box-shadow:0 8px 20px rgba(198,255,58,.18)}
.btn-primary:hover{background:#D6FF6E;transform:translateY(-1px);box-shadow:0 14px 28px rgba(198,255,58,.3)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(198,255,58,.24)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-outline{background:#fff;color:var(--text);border-color:var(--line)}
.btn-outline:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(1px)}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:var(--orange-soft);color:#B23A0C;border:1px solid rgba(255,107,53,.28);
}
.badge-lime{background:rgba(198,255,58,.18);color:#3B5200;border-color:rgba(198,255,58,.5)}
.badge-dark{background:rgba(198,255,58,.14);color:var(--lime);border-color:var(--lime-line)}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(10,13,16,.96);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--lime-line);
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;flex-direction:column;gap:1px;line-height:1.1;flex:none}
.brand-main{font-size:19px;font-weight:800;color:#fff;letter-spacing:.04em}
.brand-sub{font-size:11px;font-weight:600;color:var(--lime);letter-spacing:.34em}
.nav-list{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:72px;padding:0 16px;
  font-size:15px;font-weight:500;color:#AEB6C1;transition:color .2s;
}
.nav-link::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:center;
  opacity:.75;transition:transform .24s var(--ease),opacity .2s;
}
.nav-link:hover,.nav-link:focus-visible{color:#fff}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(.42)}
.nav-link.is-active{color:#fff;font-weight:600}
.nav-link.is-active::after{transform:scaleX(1);opacity:1;box-shadow:0 0 14px rgba(198,255,58,.8)}
.nav-cta{margin-left:12px;height:42px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;margin-left:auto;border-radius:10px;
  background:transparent;border:1px solid rgba(255,255,255,.24);
  color:#fff;cursor:pointer;transition:border-color .2s,color .2s;
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime)}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* mobile drawer */
.drawer{
  position:fixed;inset:0;z-index:200;background:var(--ink);
  display:flex;flex-direction:column;padding:20px;
  transform:translateY(-100%);visibility:hidden;opacity:0;
  transition:transform .32s var(--ease),opacity .3s,visibility .3s;
}
.drawer.is-open{transform:translateY(0);visibility:visible;opacity:1}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.12)}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.24);
  background:transparent;color:#fff;font-size:20px;line-height:1;cursor:pointer;
}
.drawer-close:hover{border-color:var(--lime);color:var(--lime)}
.drawer-group{font-size:12px;letter-spacing:.2em;color:#7C8593;margin:26px 0 8px}
.drawer-nav{display:flex;flex-direction:column}
.drawer-link{
  display:flex;align-items:center;min-height:52px;padding:0 14px;
  color:#D5DBE3;font-size:17px;font-weight:500;border-left:3px solid transparent;
  transition:color .2s,border-color .2s,background .2s;
}
.drawer-link:hover{color:#fff;background:rgba(255,255,255,.04)}
.drawer-link.is-active{color:#fff;border-left-color:var(--lime);background:rgba(198,255,58,.07)}
.drawer-cta{margin-top:auto;padding-top:24px}
.drawer-cta .btn{width:100%}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;min-height:560px;display:flex;align-items:center;
  background:var(--ink) url(/assets/images/backpic/back-1.webp) center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(10,13,16,.95) 0%,rgba(10,13,16,.88) 44%,rgba(10,13,16,.6) 100%);
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;padding:84px 0;width:100%}
.hero-copy{color:#fff;max-width:620px}
.hero h1{
  font-size:clamp(34px,4.4vw,56px);
  line-height:1.2;font-weight:800;letter-spacing:-.015em;margin:18px 0 0;
}
.hero h1 .hl{color:var(--lime)}
.hero-sub{font-size:19px;line-height:1.8;color:#C3CAD4;margin-top:22px;max-width:560px}
.hero .btn-row{margin-top:34px}
.hero-note{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:28px;font-size:13.5px;color:#8E97A3}
.hero-note span{display:inline-flex;align-items:center;gap:8px}
.hero-note i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block}

.info-card{
  background:rgba(18,22,28,.92);
  border:1px solid var(--lime-line);
  border-radius:var(--radius-lg);
  padding:26px 26px 22px;
  color:#E4E9EF;
  box-shadow:var(--shadow-deep);
}
.info-head{display:flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.16em;color:var(--lime);font-weight:700}
.info-dot{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px rgba(198,255,58,.9)}
.info-row{display:grid;grid-template-columns:78px 1fr;gap:14px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.1);align-items:start}
.info-row:last-of-type{border-bottom:0}
.info-k{font-size:13px;color:#7E8794}
.info-v{font-size:14.5px;line-height:1.7;color:#EDF1F6}
.score-bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-top:8px;padding:14px 16px;border-radius:10px;
  background:#080A0D;border-left:3px solid var(--lime);
}
.score-num{font-variant-numeric:tabular-nums;font-weight:800;font-size:16px;color:var(--lime);letter-spacing:.04em}
.score-txt{font-size:12.5px;color:#9AA3AF}
.score-sep{width:1px;height:14px;background:rgba(255,255,255,.16)}

/* ---------- trust bar ---------- */
.trust-bar{background:var(--char);border-bottom:1px solid rgba(255,255,255,.08)}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr)}
.trust-item{display:flex;align-items:baseline;gap:14px;padding:26px 32px;border-right:1px solid rgba(255,255,255,.1);color:#fff}
.trust-item:first-child{padding-left:0}
.trust-item:last-child{border-right:0}
.trust-num{font-variant-numeric:tabular-nums;font-size:26px;font-weight:800;color:var(--lime);letter-spacing:-.01em;line-height:1}
.trust-txt{font-size:14px;color:#A7AFBA;line-height:1.6}

/* ---------- pain ---------- */
.pain-grid{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start;margin-top:48px}
.pain-left{position:sticky;top:104px}
.pain-left .h2{margin-top:14px}
.pain-left p{margin-top:18px;color:var(--muted);line-height:1.85;max-width:380px}
.pain-list{border-top:1px solid var(--line)}
.pain-row{display:grid;grid-template-columns:auto 1fr;gap:22px;padding:28px 0;border-bottom:1px solid var(--line);align-items:start}
.pain-num{
  font-variant-numeric:tabular-nums;font-size:14px;font-weight:800;letter-spacing:.14em;
  color:var(--orange);padding-top:4px;
}
.pain-row h3{font-size:20px;font-weight:700;line-height:1.4}
.pain-row p{margin-top:8px;font-size:15.5px;line-height:1.8;color:var(--muted)}

/* ---------- solution ---------- */
.solution{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.solution-grid{display:grid;grid-template-columns:7fr 5fr;gap:28px;margin-top:52px;align-items:start}
.sol-main{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--char);border:1px solid var(--lime-line);color:#fff;
  display:flex;flex-direction:column;min-height:460px;
}
.sol-main .sol-img{position:relative;flex:1;min-height:220px;overflow:hidden}
.sol-main .sol-img img{width:100%;height:100%;min-height:220px;object-fit:cover;opacity:.82;transition:transform .5s var(--ease)}
.sol-main:hover .sol-img img{transform:scale(1.04)}
.sol-main .sol-body{padding:28px 30px 32px}
.sol-main h3{font-size:24px;font-weight:700;line-height:1.4;margin-top:14px}
.sol-main p{margin-top:12px;font-size:15.5px;line-height:1.85;color:#B9C1CC;max-width:560px}
.sol-side{display:grid;gap:28px}
.sol-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 26px 28px;transition:transform .25s var(--ease),border-color .25s,box-shadow .25s;
}
.sol-card.offset{margin-top:26px}
.sol-card:hover{transform:translateY(-3px);border-color:var(--lime);box-shadow:var(--shadow-soft)}
.sol-card .sol-ico{
  width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(198,255,58,.24);color:#3B5200;font-weight:800;font-size:14px;
}
.sol-card h3{font-size:20px;font-weight:700;margin-top:16px;line-height:1.4}
.sol-card p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--muted)}

/* ---------- result ---------- */
.result-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:48px;padding:34px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.result-item .num{font-variant-numeric:tabular-nums;font-size:40px;font-weight:800;line-height:1;letter-spacing:-.02em;color:var(--ink)}
.result-item .num small{font-size:16px;font-weight:700;margin-left:4px;color:var(--muted)}
.result-item .cap{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.6}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px;position:relative}
.timeline::before{
  content:"";position:absolute;top:17px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(198,255,58,.9),rgba(217,214,204,.9));
}
.tl-item{position:relative;padding-top:44px}
.tl-dot{
  position:absolute;top:9px;left:0;width:17px;height:17px;border-radius:50%;
  background:var(--paper);border:3px solid var(--lime);box-shadow:0 0 0 4px rgba(198,255,58,.18);
}
.tl-item h3{font-size:17.5px;font-weight:700;line-height:1.45}
.tl-item p{margin-top:8px;font-size:14.5px;line-height:1.8;color:var(--muted)}

/* ---------- quotes ---------- */
.quotes-wrap{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.quotes{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:48px}
.quote{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 30px 26px;display:flex;flex-direction:column;gap:18px;
  transition:border-color .25s,transform .25s var(--ease),box-shadow .25s;
}
.quote:hover{border-color:var(--lime);transform:translateY(-3px);box-shadow:var(--shadow-soft)}
.quote p{font-size:17.5px;line-height:1.85;color:var(--ink)}
.quote-foot{display:flex;align-items:center;gap:14px;margin-top:auto;padding-top:6px}
.avatar{
  width:44px;height:44px;border-radius:50%;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink);color:var(--lime);font-weight:800;font-size:17px;
}
.quote-name{font-size:15px;font-weight:700;color:var(--ink);line-height:1.4}
.quote-role{font-size:13px;color:var(--muted);line-height:1.5}
.swipe-hint{display:none;margin-top:16px;font-size:13px;color:var(--muted);letter-spacing:.04em}

/* ---------- news ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.news-grid{display:grid;grid-template-columns:2fr 1fr;gap:40px;margin-top:44px;align-items:start}
.news-lead{
  display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
  transition:transform .28s var(--ease),box-shadow .28s,border-color .28s;
}
.news-lead:hover{transform:translateY(-3px);box-shadow:var(--shadow-soft);border-color:var(--lime)}
.news-lead .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--deep)}
.news-lead .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease)}
.news-lead:hover .thumb img{transform:scale(1.05)}
.news-lead .thumb .badge{position:absolute;top:16px;left:16px;backdrop-filter:blur(4px)}
.news-lead .body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:12px}
.news-lead h3{font-size:23px;font-weight:700;line-height:1.45}
.news-lead p{font-size:15.5px;line-height:1.8;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-meta .dot{width:3px;height:3px;border-radius:50%;background:#B6B2A6}
.news-list{display:flex;flex-direction:column}
.news-item{
  display:flex;flex-direction:column;gap:8px;padding:18px 0;border-bottom:1px solid var(--line);
  transition:padding-left .2s var(--ease),border-color .2s;
}
.news-item:first-child{padding-top:0}
.news-item:hover{padding-left:8px;border-color:var(--lime)}
.news-item h3{font-size:16.5px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item p{font-size:14px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-item .news-meta{font-size:12.5px}
.empty-state{
  border:1.5px dashed #C4C0B4;border-radius:var(--radius);
  padding:52px 28px;text-align:center;background:rgba(255,255,255,.6);
}
.empty-ico{
  width:52px;height:52px;margin:0 auto 16px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(198,255,58,.24);color:#3B5200;font-size:22px;font-weight:800;
}
.empty-state h3{font-size:18px;font-weight:700}
.empty-state p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.8}
.empty-state .btn{margin-top:20px}

/* ---------- faq ---------- */
.faq-wrap{background:var(--white);border-top:1px solid var(--line)}
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:56px;margin-top:48px;align-items:start}
.faq-aside{position:sticky;top:104px}
.faq-aside p{margin-top:16px;font-size:15.5px;line-height:1.85;color:var(--muted)}
.faq-aside .btn{margin-top:24px}
.faq-item{
  position:relative;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--radius);margin-bottom:14px;overflow:hidden;
  transition:border-color .22s,box-shadow .22s;
}
.faq-item:hover{border-color:#C3BFB2}
.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 .26s var(--ease);
}
.faq-item[open]{border-color:var(--lime);box-shadow:0 8px 22px rgba(8,12,16,.06)}
.faq-item[open]::before{transform:scaleY(1)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 60px 20px 26px;font-size:16.5px;font-weight:700;line-height:1.55;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--muted);line-height:1;transition:transform .26s var(--ease),color .2s;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);color:var(--orange)}
.faq-answer{padding:0 26px 22px 26px;font-size:15.5px;line-height:1.85;color:var(--muted)}

/* ---------- final cta ---------- */
.cta-section{
  position:relative;overflow:hidden;padding:96px 0;color:#fff;
  background:var(--ink) url(/assets/images/backpic/back-3.webp) center/cover no-repeat;
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(10,13,16,.96) 0%,rgba(10,13,16,.88) 52%,rgba(10,13,16,.72) 100%);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.cta-inner .h2{color:#fff}
.cta-inner p{margin-top:18px;font-size:16.5px;line-height:1.85;color:#BCC4CF;max-width:540px}
.cta-inner .btn-row{margin-top:30px}
.form-card{
  background:rgba(18,22,28,.9);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-deep);
}
.form-card h3{font-size:18px;font-weight:700;color:#fff}
.form-card .form-tip{margin-top:8px;font-size:13.5px;color:#98A1AC;line-height:1.7}
.field{margin-top:18px}
.field label{display:block;font-size:13.5px;font-weight:600;color:#CDD4DD;margin-bottom:8px}
.field input{
  width:100%;height:48px;padding:0 14px;border-radius:var(--radius-btn);
  background:#fff;color:var(--text);border:1px solid #D3D0C6;
  transition:border-color .2s,box-shadow .2s;
}
.field input::placeholder{color:#9AA0A9}
.field input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(198,255,58,.24)}
.field input.is-error{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,107,53,.18)}
.field-err{display:none;margin-top:7px;font-size:12.5px;color:var(--orange);align-items:center;gap:6px}
.field-err.is-on{display:flex}
.field-err::before{content:"!";display:inline-flex;align-items:center;justify-content:center;width:15px;height:15px;border-radius:50%;background:var(--orange);color:#fff;font-size:11px;font-weight:800}
.form-card .btn{width:100%;margin-top:22px}
.form-ok{display:none;margin-top:16px;font-size:13.5px;color:var(--lime);align-items:center;gap:8px;line-height:1.6}
.form-ok.is-on{display:flex}
.form-ok::before{content:"✓";display:inline-flex;align-items:center;justify-content:center;width:17px;height:17px;border-radius:50%;background:rgba(198,255,58,.2);border:1px solid var(--lime);font-size:11px}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);color:#A6AEBA;padding:72px 0 0;
  border-top:1px solid var(--lime-line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px}
.footer-brand .brand{margin-bottom:16px}
.footer-desc{font-size:14.5px;line-height:1.9;color:#8C94A1;max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14.5px;color:#9BA3AF;transition:color .2s,transform .2s var(--ease);display:inline-flex;align-items:center;gap:8px}
.footer-links a:hover{color:var(--lime);transform:translateX(3px)}
.footer-links a::before{content:"";width:5px;height:5px;border-radius:50%;background:rgba(198,255,58,.55);flex:none}
.footer-info{font-size:14.5px;line-height:2;color:#8C94A1}
.footer-info strong{color:#E7EBF0;font-weight:600}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#767E8B;
}
.footer-bottom .fb-right{font-variant-numeric:tabular-nums}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .container{padding:0 28px}
  .pain-grid{gap:48px}
}
@media (max-width:1024px){
  .nav-list,.nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .hero-inner{grid-template-columns:1fr;gap:44px;padding:72px 0}
  .hero-copy{max-width:100%}
  .info-card{max-width:560px}
  .section{padding:72px 0}
  .pain-grid,.solution-grid,.news-grid,.faq-grid,.cta-inner{grid-template-columns:1fr;gap:36px}
  .pain-left,.faq-aside{position:static}
  .sol-card.offset{margin-top:0}
  .result-band{grid-template-columns:repeat(2,1fr);gap:28px}
  .timeline{grid-template-columns:repeat(2,1fr);gap:32px}
  .timeline::before{display:none}
  .tl-item{padding-top:32px;border-top:1px solid var(--line)}
  .tl-dot{top:-9px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:768px){
  body{font-size:16.5px}
  .container{padding:0 20px}
  .nav-wrap{height:64px}
  .nav-link{height:64px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .hero{min-height:auto}
  .hero-inner{padding:56px 0 64px}
  .hero-sub{font-size:17px}
  .trust-grid{grid-template-columns:1fr 1fr}
  .trust-item{padding:20px 0;border-right:0;border-bottom:1px solid rgba(255,255,255,.08)}
  .trust-item:nth-child(odd){padding-right:16px}
  .trust-item:nth-child(even){padding-left:16px;border-left:1px solid rgba(255,255,255,.08)}
  .trust-item:last-child{grid-column:1 / -1;border-left:0}
  .trust-num{font-size:22px}
  .quotes{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:16px;padding-bottom:12px;-webkit-overflow-scrolling:touch}
  .quote{min-width:86%;scroll-snap-align:start}
  .swipe-hint{display:block}
  .news-lead h3{font-size:20px}
  .result-item .num{font-size:32px}
  .cta-section{padding:64px 0}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:8px}
  .pain-row{gap:16px;padding:22px 0}
  .faq-item summary{padding:18px 54px 18px 22px;font-size:16px}
  .faq-answer{padding:0 22px 20px 22px}
  .info-card{padding:22px}
}
@media (max-width:480px){
  .hero h1{font-size:32px}
  .h2{font-size:28px}
  .lead{font-size:17.5px}
  .btn{height:46px;padding:0 18px;font-size:14.5px}
  .btn-row{gap:10px}
  .trust-grid{grid-template-columns:1fr}
  .trust-item{border-left:0 !important;padding-left:0 !important;padding-right:0 !important}
  .timeline{grid-template-columns:1fr}
  .result-band{grid-template-columns:1fr}
  .form-card{padding:22px}
}

/* roulang page: article */
:root{
  --ink:#0A0D10;
  --char:#12161C;
  --deep:#1B2028;
  --paper:#F7F5EF;
  --white:#FFFFFF;
  --text:#15181D;
  --muted:#5C636E;
  --line:#D9D6CC;
  --lime:#C6FF3A;
  --lime-soft:rgba(198,255,58,.16);
  --lime-line:rgba(198,255,58,.30);
  --orange:#FF6B35;
  --orange-soft:#FFE4D8;
  --radius:14px;
  --radius-lg:18px;
  --radius-btn:10px;
  --shadow-card:0 12px 28px rgba(8,12,16,.08);
  --shadow-deep:0 24px 60px rgba(8,12,16,.20);
  --container:1200px;
  --ease:cubic-bezier(.22,.8,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  padding-top:72px;
}
img{max-width:100%;display:block;height:auto}
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,figure,blockquote{margin:0}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(10,13,16,.96);
  backdrop-filter:saturate(160%) blur(12px);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--lime-line);
}
.header-inner{height:72px;display:flex;align-items:center;gap:28px}
.brand{display:inline-flex;align-items:baseline;gap:8px;flex-shrink:0}
.brand-main{color:#fff;font-size:20px;font-weight:800;letter-spacing:.02em;line-height:1}
.brand-sub{color:var(--lime);font-size:11.5px;font-weight:600;letter-spacing:.2em;line-height:1}
.main-nav{margin-left:8px}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:72px;
  padding:0 15px;font-size:15px;font-weight:500;color:rgba(255,255,255,.72);
  transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:15px;right:15px;bottom:15px;height:2px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left center;
  transition:transform .26s var(--ease);
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(198,255,58,.72)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  border:1px solid rgba(255,255,255,.2);
  transition:border-color .2s var(--ease);
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform .25s var(--ease),opacity .2s var(--ease)}
.nav-toggle:hover{border-color:var(--lime)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-lime{background:var(--lime);color:var(--ink);border:1px solid var(--lime)}
.btn-lime:hover{background:#d6ff6b;transform:translateY(-1px);box-shadow:0 10px 26px rgba(198,255,58,.30)}
.btn-lime:active{transform:translateY(1px);box-shadow:none}
.btn-dark{background:var(--ink);color:#fff;border:1px solid var(--ink)}
.btn-dark:hover{background:var(--deep);border-color:var(--lime);color:var(--lime)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.34)}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn:disabled{opacity:.45;cursor:not-allowed}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;overflow:hidden;
  background:var(--ink) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:56px 0 132px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 82% 12%,rgba(198,255,58,.16),transparent 55%),
    linear-gradient(180deg,rgba(10,13,16,.90) 0%,rgba(10,13,16,.94) 100%);
}
.article-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.56)}
.breadcrumb a{color:rgba(255,255,255,.56);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{color:rgba(255,255,255,.28)}
.breadcrumb .current{color:rgba(255,255,255,.86);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.badge-lime{background:rgba(198,255,58,.13);color:var(--lime);border:1px solid rgba(198,255,58,.48)}
.meta-item{font-size:13px;color:rgba(255,255,255,.62);font-variant-numeric:tabular-nums}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.30);display:inline-block}
.article-title{
  margin-top:18px;max-width:920px;color:#fff;
  font-size:clamp(30px,4vw,46px);line-height:1.25;font-weight:800;letter-spacing:-.01em;
}
.article-lead{
  margin-top:18px;max-width:760px;color:rgba(255,255,255,.72);
  font-size:16.5px;line-height:1.85;
}

/* ============ 封面 ============ */
.cover-wrap{position:relative;z-index:3;margin-top:-92px}
.cover-media{
  aspect-ratio:16/9;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.42);box-shadow:var(--shadow-deep);background:var(--deep);
}
.cover-media img{width:100%;height:100%;object-fit:cover;object-position:center}

/* ============ 正文区 ============ */
.article-section{padding:64px 0 88px}
.reading-wrap{
  display:grid;grid-template-columns:minmax(0,820px) 260px;
  gap:56px;justify-content:center;align-items:start;
}
.article-main{min-width:0}
.article-body{font-size:17.5px;line-height:1.9;color:var(--text);word-break:break-word}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:30px;line-height:1.32;font-weight:800;color:var(--ink);
  margin:2em 0 .8em;scroll-margin-top:104px;
}
.article-body h3{
  font-size:23px;line-height:1.4;font-weight:700;color:var(--ink);
  margin:1.8em 0 .7em;scroll-margin-top:104px;
}
.article-body h4{font-size:18px;font-weight:700;margin:1.6em 0 .6em;color:var(--ink)}
.article-body h2:first-child,.article-body h3:first-child{margin-top:0}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.4em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.45em 0}
.article-body li::marker{color:var(--orange)}
.article-body a{color:#0d5b1f;text-decoration:underline;text-underline-offset:3px;transition:color .2s var(--ease)}
.article-body a:hover{color:var(--orange)}
.article-body img{border-radius:12px;margin:1.5em 0;width:100%}
.article-body figure{margin:1.5em 0}
.article-body figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:.7em}
.article-body blockquote{
  margin:1.5em 0;padding:18px 22px;border-left:3px solid var(--lime);
  background:#EFEDE6;border-radius:0 10px 10px 0;color:#2b3138;font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{
  display:block;width:100%;overflow-x:auto;margin:1.5em 0;
  font-size:15.5px;border:1px solid var(--line);border-radius:10px;
}
.article-body th,.article-body td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.article-body th{background:#EFEDE6;font-weight:700;color:var(--ink)}
.article-body tr:last-child td{border-bottom:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-body code{background:#EFEDE6;padding:2px 6px;border-radius:6px;font-size:.92em}

/* 空状态 */
.empty-state{
  border:1.5px dashed var(--line);border-radius:var(--radius);
  background:var(--white);padding:48px 28px;text-align:center;
}
.empty-icon{
  width:46px;height:46px;margin:0 auto 16px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--orange-soft);color:var(--orange);font-weight:800;font-size:20px;
}
.empty-title{font-size:21px;font-weight:800;color:var(--ink);margin-bottom:10px}
.empty-desc{font-size:15.5px;color:var(--muted);max-width:440px;margin:0 auto 24px}

/* 文末 */
.article-end{margin-top:48px}
.end-line{height:1px;background:var(--line);margin-bottom:28px}
.end-box{
  display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 26px;box-shadow:var(--shadow-card);
}
.end-box p{font-size:15px;color:var(--muted);max-width:420px;margin:0}

/* 目录 */
.toc-side{position:sticky;top:104px;align-self:start}
.toc-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:20px 18px;box-shadow:var(--shadow-card)}
.toc-title{
  font-size:12px;letter-spacing:.18em;font-weight:700;color:var(--muted);
  margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line);
}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:62vh;overflow-y:auto}
.toc-link{
  display:block;font-size:14px;line-height:1.55;color:var(--muted);
  padding:7px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.toc-link:hover{color:var(--ink);background:var(--paper)}
.toc-link.is-sub{padding-left:24px;font-size:13px}
.toc-link.is-current{color:var(--ink);font-weight:600;border-left-color:var(--lime);background:var(--lime-soft)}
.toc-mobile{display:none;margin-bottom:32px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:0 18px}
.toc-mobile summary{
  list-style:none;cursor:pointer;padding:16px 0;font-size:15px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;
}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"+";color:var(--orange);font-size:20px;font-weight:700;line-height:1;transition:transform .25s var(--ease)}
.toc-mobile[open] summary::after{transform:rotate(45deg)}
.toc-mobile .toc-list{padding-bottom:16px;max-height:none}

/* ============ 相关推荐 ============ */
.related{background:#EFEDE6;padding:80px 0 88px;border-top:1px solid var(--line)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.section-head h2{font-size:32px;font-weight:800;color:var(--ink);line-height:1.3}
.link-more{
  font-size:15px;font-weight:600;color:var(--ink);
  text-decoration:underline;text-underline-offset:4px;transition:color .2s var(--ease);
}
.link-more:hover{color:var(--orange)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.rel-card{
  display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.rel-card:hover{transform:translateY(-3px);border-color:var(--lime);box-shadow:var(--shadow-card)}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--deep)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.05)}
.rel-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-cat{font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--orange)}
.rel-title{font-size:17px;line-height:1.5;font-weight:700;color:var(--ink)}
.rel-desc{font-size:14px;line-height:1.7;color:var(--muted)}
.rel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.rel-arrow{color:var(--ink);font-weight:700;transition:color .2s var(--ease),transform .2s var(--ease)}
.rel-card:hover .rel-arrow{color:var(--orange);transform:translateX(3px)}

/* ============ 最终 CTA ============ */
.final-cta{
  position:relative;overflow:hidden;background:var(--ink) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  padding:84px 0;
}
.final-cta::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(10,13,16,.95) 0%,rgba(10,13,16,.88) 60%,rgba(10,13,16,.94) 100%);
}
.final-cta .container{position:relative;z-index:2}
.cta-inner{display:grid;grid-template-columns:1.35fr .9fr;gap:48px;align-items:center}
.cta-inner h2{color:#fff;font-size:clamp(26px,3vw,38px);line-height:1.3;font-weight:800}
.cta-inner h2 em{font-style:normal;color:var(--lime)}
.cta-inner p{margin-top:16px;color:rgba(255,255,255,.70);font-size:16px;line-height:1.85;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-side{
  border:1px solid rgba(198,255,58,.30);border-radius:var(--radius-lg);
  padding:24px 22px;background:rgba(18,22,28,.72);
}
.cta-side h3{color:#fff;font-size:16px;font-weight:700;margin-bottom:14px}
.cta-side ul li{
  display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.72);
  padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.14);
}
.cta-side ul li:last-child{border-bottom:0}
.cta-side ul li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime);flex-shrink:0;margin-top:9px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);border-top:1px solid var(--lime-line);padding:64px 0 28px;color:rgba(255,255,255,.66)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-main{font-size:19px}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.56);max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.62);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-links a:hover{color:var(--lime);padding-left:4px}
.footer-info p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.56);margin-bottom:8px}
.footer-info strong{color:rgba(255,255,255,.84);font-weight:600}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.46);font-variant-numeric:tabular-nums;
}
.fb-right{letter-spacing:.06em}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .reading-wrap{grid-template-columns:minmax(0,1fr) 240px;gap:40px}
}
@media (max-width:1023px){
  body{padding-top:64px}
  .container{padding:0 24px}
  .header-inner{height:64px;gap:16px}
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:fixed;top:64px;left:0;right:0;bottom:0;
    background:rgba(10,13,16,.99);padding:18px 0 40px;margin-left:0;
    transform:translateX(100%);transition:transform .32s var(--ease);
    overflow-y:auto;z-index:80;
  }
  .main-nav.is-open{transform:translateX(0)}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{height:54px;padding:0 24px;border-left:3px solid transparent;font-size:16px;color:rgba(255,255,255,.76)}
  .nav-link::after{display:none}
  .nav-link.is-active{color:#fff;border-left-color:var(--lime);background:rgba(198,255,58,.08)}
  .reading-wrap{grid-template-columns:minmax(0,1fr);gap:0}
  .toc-side{display:none}
  .toc-mobile{display:block}
  .article-hero{padding:40px 0 120px}
  .cover-wrap{margin-top:-80px}
  .article-section{padding:48px 0 64px}
  .related{padding:64px 0 72px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .final-cta{padding:64px 0}
}
@media (max-width:767px){
  body{font-size:16.5px}
  .container{padding:0 20px}
  .article-hero{padding:32px 0 104px}
  .article-title{margin-top:14px}
  .article-lead{font-size:15.5px}
  .cover-wrap{margin-top:-64px}
  .cover-media{aspect-ratio:16/10;border-radius:14px}
  .article-body{font-size:17px;line-height:1.92}
  .article-body h2{font-size:25px}
  .article-body h3{font-size:20px}
  .section-head h2{font-size:26px}
  .related-grid{grid-template-columns:minmax(0,1fr);gap:20px}
  .end-box{padding:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .btn{height:46px;padding:0 18px;font-size:14.5px}
  .header-actions .btn-lime{display:none}
}
@media (max-width:479px){
  .brand-main{font-size:18px}
  .brand-sub{font-size:10.5px}
  .article-title{font-size:27px}
  .hero-meta{gap:10px}
  .cta-actions .btn{width:100%}
  .article-body table{font-size:14px}
}

/* roulang page: category1 */
:root{
  --ink:#0A0D10;
  --charcoal:#12161C;
  --slate:#1B2028;
  --paper:#F7F5EF;
  --white:#FFFFFF;
  --text:#15181D;
  --text-2:#5C636E;
  --line:#D9D6CC;
  --lime:#C6FF3A;
  --lime-soft:rgba(198,255,58,.16);
  --lime-line:rgba(198,255,58,.28);
  --orange:#FF6B35;
  --orange-soft:#FFE4D8;
  --radius-sm:10px;
  --radius:14px;
  --radius-lg:18px;
  --shadow:0 12px 28px rgba(8,12,16,.08);
  --shadow-lift:0 18px 38px rgba(8,12,16,.14);
  --container:1200px;
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:var(--header-h);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
img{display:block;max-width:100%;object-fit:cover}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,textarea{font:inherit}
::selection{background:var(--lime);color:var(--ink)}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ---------- header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  background:rgba(10,13,16,.94);
  backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid var(--lime-line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--header-h)}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-main{
  font-size:20px;font-weight:800;letter-spacing:.02em;color:#fff;
  position:relative;
}
.brand-main::after{
  content:"";position:absolute;left:0;bottom:-4px;width:100%;height:2px;
  background:linear-gradient(90deg,var(--lime),rgba(198,255,58,0));
  border-radius:2px;
}
.brand-sub{
  font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--lime);
  border:1px solid var(--lime-line);border-radius:999px;padding:2px 9px;
  line-height:1.5;white-space:nowrap;
}
.main-nav{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;
  padding:0 15px;font-size:15px;font-weight:500;color:#AEB6C1;
  border-radius:8px;transition:color .18s ease,background-color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:15px;right:15px;bottom:4px;height:2px;
  background:var(--lime);border-radius:2px;opacity:0;transform:scaleX(.4);
  transition:opacity .2s ease,transform .2s ease;
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{opacity:1;transform:scaleX(1)}
.nav-link.is-active{color:#fff;font-weight:600;text-shadow:0 0 14px rgba(198,255,58,.45)}
.nav-link.is-active::after{opacity:1;transform:scaleX(1);box-shadow:0 0 10px rgba(198,255,58,.7)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid rgba(255,255,255,.16);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{
  display:none;background:var(--charcoal);
  border-top:1px solid rgba(198,255,58,.16);
  padding:14px 20px 26px;
}
.mobile-menu.is-open{display:block}
.mobile-menu .menu-title{
  font-size:12px;letter-spacing:.14em;color:#8A929E;font-weight:600;
  margin:14px 0 8px;
}
.mobile-menu a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;
  color:#D6DBE2;font-size:16px;border-radius:8px;
  border-left:3px solid transparent;
}
.mobile-menu a:hover{background:rgba(255,255,255,.05)}
.mobile-menu a.is-active{
  color:#fff;background:rgba(198,255,58,.08);
  border-left-color:var(--lime);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-lime{background:var(--lime);color:var(--ink);box-shadow:0 8px 20px rgba(198,255,58,.18)}
.btn-lime:hover{background:#D6FF6B;transform:translateY(-1px);box-shadow:0 12px 26px rgba(198,255,58,.32)}
.btn-lime:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(198,255,58,.2)}
.btn-ghost-dark{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.28)}
.btn-ghost-dark:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-1px)}
.btn-ghost-light{background:#fff;color:var(--text);border:1px solid var(--line)}
.btn-ghost-light:hover{border-color:var(--lime);color:var(--ink);transform:translateY(-1px);box-shadow:var(--shadow)}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--ink);color:#fff;
  padding:34px 0 62px;
  scroll-margin-top:96px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(104deg,rgba(10,13,16,.97) 0%,rgba(10,13,16,.9) 46%,rgba(10,13,16,.72) 72%,rgba(10,13,16,.86) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center 34%;
  filter:saturate(.75);
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(198,255,58,0),rgba(198,255,58,.5),rgba(198,255,58,0));
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#8F98A4;margin-bottom:22px}
.breadcrumb a{color:#B4BCC7}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{color:#4C545F}
.breadcrumb .current{color:var(--lime)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.14em;
  color:var(--lime);text-transform:uppercase;
  padding:5px 12px;border:1px solid var(--lime-line);border-radius:999px;
  background:rgba(198,255,58,.06);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px var(--lime)}
.page-hero h1{
  margin-top:20px;
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.2;
  letter-spacing:-.02em;
}
.page-hero h1 .hl{
  color:var(--lime);
  text-shadow:0 0 26px rgba(198,255,58,.28);
}
.hero-lead{
  margin-top:18px;max-width:620px;
  font-size:17px;line-height:1.9;color:#C3CAD3;
}
.hero-lead strong{color:#fff;font-weight:600}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:28px}
.hero-link{
  font-size:15px;color:#C3CAD3;border-bottom:1px solid rgba(255,255,255,.35);
  padding-bottom:2px;text-underline-offset:3px;
}
.hero-link:hover{color:var(--lime);border-color:var(--lime)}

.hero-card{
  background:linear-gradient(160deg,rgba(27,32,40,.96),rgba(18,22,28,.98));
  border:1px solid var(--lime-line);
  border-radius:var(--radius-lg);
  padding:24px;
  box-shadow:0 20px 44px rgba(0,0,0,.45);
}
.hero-card h2{
  font-size:15px;font-weight:700;letter-spacing:.06em;color:#fff;
  display:flex;align-items:center;gap:9px;margin-bottom:16px;
}
.hero-card h2::before{content:"";width:3px;height:16px;border-radius:2px;background:var(--lime);box-shadow:0 0 10px rgba(198,255,58,.8)}
.summary-row{
  display:grid;grid-template-columns:84px 1fr;gap:12px;align-items:baseline;
  padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.1);
  font-size:14px;
}
.summary-row:last-of-type{border-bottom:0}
.summary-key{color:#8B939F;font-size:13px;letter-spacing:.04em}
.summary-val{color:#fff;font-weight:600}
.summary-val small{display:block;font-weight:400;color:#98A1AD;font-size:12.5px;margin-top:3px;line-height:1.6}
.scoreboard{
  margin-top:18px;display:grid;grid-template-columns:repeat(3,1fr);
  border:1px solid rgba(255,255,255,.1);border-radius:12px;overflow:hidden;
  background:rgba(10,13,16,.6);
}
.score-cell{padding:12px 8px;text-align:center;border-right:1px solid rgba(255,255,255,.08)}
.score-cell:last-child{border-right:0}
.score-num{
  display:block;font-size:22px;font-weight:800;color:var(--lime);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.score-label{display:block;font-size:11.5px;color:#8B939F;letter-spacing:.08em;margin-top:4px}

/* ---------- trust bar ---------- */
.trust-bar{background:#fff;border-bottom:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr)}
.trust-item{
  display:flex;align-items:center;gap:14px;
  padding:22px 8px;border-right:1px solid var(--line);
}
.trust-item:last-child{border-right:0}
.trust-num{
  font-size:28px;font-weight:800;color:var(--ink);
  font-variant-numeric:tabular-nums;line-height:1;letter-spacing:-.02em;
}
.trust-num em{font-style:normal;font-size:14px;color:var(--orange);margin-left:2px;font-weight:700}
.trust-text{font-size:14px;color:var(--text-2);line-height:1.6}
.trust-text strong{display:block;color:var(--text);font-weight:700;font-size:15px}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--orange);
  margin-bottom:14px;
}
.section-tag::before{content:"";width:20px;height:2px;background:var(--orange);border-radius:2px}
h2.section-title{font-size:clamp(26px,3vw,38px);line-height:1.22}
.section-lead{margin-top:14px;font-size:17px;color:var(--text-2);line-height:1.9;max-width:640px}

/* ---------- two column narrative ---------- */
.split{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start}
.split-aside{position:sticky;top:calc(var(--header-h) + 28px)}
.split-aside h2{font-size:clamp(24px,2.4vw,32px);line-height:1.28}
.split-aside p{margin-top:16px;color:var(--text-2);font-size:16px;line-height:1.85}
.aside-note{
  margin-top:24px;padding:16px 18px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--lime);
  font-size:14px;color:var(--text-2);line-height:1.8;
}
.aside-note strong{color:var(--text)}
.split-main{display:flex;flex-direction:column;gap:24px}
.cover-figure{
  margin:0;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;
}
.cover-figure img{width:100%;aspect-ratio:16/10;transition:transform .5s ease}
.cover-figure:hover img{transform:scale(1.03)}
.cover-figure figcaption{
  padding:12px 18px;font-size:13px;color:var(--text-2);
  border-top:1px solid var(--line);background:#FCFBF7;
}
.reason-list{border-top:1px solid var(--line)}
.reason{
  display:grid;grid-template-columns:64px 1fr;gap:18px;
  padding:22px 0;border-bottom:1px solid var(--line);
  transition:padding-left .2s ease;
}
.reason:hover{padding-left:6px}
.reason-num{
  font-size:14px;font-weight:800;color:var(--orange);
  font-variant-numeric:tabular-nums;letter-spacing:.06em;padding-top:3px;
}
.reason h3{font-size:19px;margin-bottom:8px}
.reason p{font-size:15.5px;color:var(--text-2);line-height:1.85;margin:0}

/* ---------- steps ---------- */
.steps{position:relative;display:flex;flex-direction:column;gap:0;border-left:2px solid var(--line);margin-left:10px}
.step{
  position:relative;padding:0 0 34px 34px;
}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:-9px;top:6px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--lime);box-shadow:0 0 0 4px rgba(198,255,58,.18);
}
.step-index{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:.14em;
  color:var(--orange);margin-bottom:6px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:20px;margin-bottom:8px}
.step p{font-size:15.5px;color:var(--text-2);line-height:1.88;margin:0}
.step-meta{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;
  font-size:12.5px;color:var(--text-2);background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:3px 11px;
}

/* ---------- entry panel ---------- */
.entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch}
.entry-card{
  background:linear-gradient(155deg,var(--slate),var(--ink) 88%);
  color:#fff;border-radius:var(--radius-lg);padding:30px;
  border:1px solid var(--lime-line);
  box-shadow:0 18px 40px rgba(8,12,16,.24);
  display:flex;flex-direction:column;
}
.entry-card h3{font-size:20px;margin-bottom:6px}
.entry-card .sub{font-size:13.5px;color:#93E9A0;color:#9AA3AF;margin-bottom:20px}
.entry-line{
  display:flex;justify-content:space-between;gap:16px;
  padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.12);font-size:14.5px;
}
.entry-line:last-of-type{border-bottom:0}
.entry-line span:first-child{color:#98A1AD}
.entry-line span:last-child{color:#fff;font-weight:600;text-align:right}
.entry-card .scoreboard{margin-top:auto}
.channel-list{display:flex;flex-direction:column;gap:12px}
.channel{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.channel:hover{transform:translateY(-3px);border-color:var(--lime);box-shadow:var(--shadow)}
.channel-name{font-weight:700;font-size:16px;display:flex;align-items:center;gap:10px}
.channel-name::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange)}
.channel-desc{display:block;font-size:13.5px;color:var(--text-2);font-weight:400;margin-top:2px}
.channel-arrow{
  flex-shrink:0;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);font-size:15px;transition:all .2s ease;
}
.channel:hover .channel-arrow{background:var(--lime);border-color:var(--lime);color:var(--ink);transform:translateX(2px)}

/* ---------- faq ---------- */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#BFD46A}
.faq-item[open]{border-color:rgba(198,255,58,.9);box-shadow:var(--shadow)}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:18px 22px 18px 24px;font-size:17px;font-weight:700;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--lime);opacity:0;transition:opacity .22s ease;
}
.faq-item[open] summary::before{opacity:1}
.faq-item summary::after{
  content:"+";flex-shrink:0;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:600;line-height:1;
  color:var(--ink);background:var(--paper);border:1px solid var(--line);
  transition:transform .25s ease,background-color .25s ease,color .25s ease,border-color .25s ease;
}
.faq-item[open] summary::after{
  content:"+";transform:rotate(45deg);background:var(--lime);border-color:var(--lime);color:var(--ink);
}
.faq-body{padding:0 22px 22px 24px;font-size:15.5px;line-height:1.88;color:var(--text-2)}
.faq-body p{margin:0}
.faq-body p + p{margin-top:.8em}

/* ---------- final cta ---------- */
.final-cta{
  position:relative;overflow:hidden;color:#fff;padding:84px 0;
  background:var(--ink);
}
.final-cta::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(96deg,rgba(10,13,16,.96) 0%,rgba(10,13,16,.9) 52%,rgba(10,13,16,.78) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center 40%;
}
.final-cta::after{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,rgba(198,255,58,0),rgba(198,255,58,.55),rgba(198,255,58,0));
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:center}
.final-cta h2{font-size:clamp(26px,3.2vw,40px);line-height:1.24}
.final-cta h2 .hl{color:var(--lime)}
.final-cta p{margin-top:16px;color:#C3CAD3;font-size:16.5px;line-height:1.9;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:28px}
.cta-side{
  border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);
  background:rgba(255,255,255,.04);padding:24px;backdrop-filter:blur(4px);
}
.cta-side h3{font-size:15px;letter-spacing:.06em;margin-bottom:14px;color:#fff}
.cta-side ul{display:flex;flex-direction:column;gap:10px}
.cta-side li{
  display:flex;gap:10px;font-size:14px;color:#C3CAD3;line-height:1.7;
  padding-bottom:10px;border-bottom:1px dashed rgba(255,255,255,.12);
}
.cta-side li:last-child{border-bottom:0;padding-bottom:0}
.cta-side li::before{content:"—";color:var(--lime);flex-shrink:0}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#AEB6C1;border-top:1px solid rgba(198,255,58,.22);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-main{font-size:19px}
.footer-desc{font-size:14.5px;line-height:1.85;color:#8F98A4;max-width:320px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14.5px;color:#98A1AD;display:inline-block}
.footer-links a:hover{color:var(--lime);transform:translateX(2px)}
.footer-info p{font-size:14px;line-height:1.8;color:#8F98A4;margin-bottom:10px}
.footer-info strong{color:#C3CAD3;font-weight:600}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7E8792;
}
.fb-right{color:#8F98A4;letter-spacing:.04em}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .hero-grid{grid-template-columns:1fr 380px;gap:32px}
  .split{grid-template-columns:300px 1fr;gap:40px}
}
@media (max-width:1024px){
  body{font-size:16.5px}
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-lime{display:none}
  .page-hero{padding:26px 0 52px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-card{max-width:560px}
  .split{grid-template-columns:1fr;gap:32px}
  .split-aside{position:static}
  .entry-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .section{padding:64px 0}
  .section-tight{padding:52px 0}
}
@media (max-width:768px){
  :root{--header-h:64px}
  body{font-size:16px}
  .container{padding:0 20px}
  .brand-main{font-size:18px}
  .brand-sub{font-size:11px;padding:2px 8px}
  .page-hero{padding:22px 0 44px}
  .page-hero h1{font-size:clamp(24px,6.4vw,32px)}
  .hero-lead{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .hero-link{width:100%;text-align:center;border-bottom:0;color:#B4BCC7}
  .trust-grid{grid-template-columns:1fr 1fr}
  .trust-item{padding:16px 0;border-right:0;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;gap:6px}
  .trust-item:nth-child(odd){border-right:1px solid var(--line);padding-right:16px}
  .trust-item:last-child{border-bottom:0}
  .trust-num{font-size:24px}
  h2.section-title{font-size:clamp(22px,5.6vw,28px)}
  .section{padding:52px 0}
  .section-tight{padding:44px 0}
  .section-head{margin-bottom:32px}
  .reason{grid-template-columns:48px 1fr;gap:12px;padding:18px 0}
  .reason h3{font-size:17.5px}
  .entry-card{padding:22px}
  .faq-item summary{font-size:16px;padding:16px 16px 16px 20px}
  .faq-body{padding:0 16px 18px 20px;font-size:15px}
  .final-cta{padding:56px 0}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px;font-size:12.5px}
  .steps{margin-left:6px}
  .step{padding-left:26px}
  .step h3{font-size:18px}
}
@media (max-width:480px){
  .container{padding:0 18px}
  .scoreboard{grid-template-columns:1fr 1fr 1fr}
  .score-num{font-size:18px}
  .summary-row{grid-template-columns:76px 1fr;gap:10px;font-size:13.5px}
  .channel{padding:14px 16px;flex-direction:row;align-items:flex-start}
  .channel-name{font-size:15px}
  .cover-figure figcaption{font-size:12.5px}
}

/* roulang page: category2 */
:root{
  --ink:#0A0D10;
  --charcoal:#12161C;
  --deep-gray:#1B2028;
  --paper:#F7F5EF;
  --white:#FFFFFF;
  --text:#15181D;
  --muted:#5C636E;
  --line:#D9D6CC;
  --lime:#C6FF3A;
  --lime-soft:rgba(198,255,58,.16);
  --orange:#FF6B35;
  --orange-soft:#FFE4D8;
  --radius-card:14px;
  --radius-lg:18px;
  --radius-btn:10px;
  --shadow-soft:0 12px 28px rgba(8,12,16,.08);
  --shadow-hover:0 16px 34px rgba(8,12,16,.13);
  --container:1200px;
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{line-height:1.25;margin:0;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(10,13,16,.96);
  backdrop-filter:saturate(140%) blur(12px);
  -webkit-backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid rgba(198,255,58,.28);
}
.header-inner{
  height:72px;display:flex;align-items:center;gap:28px;
}
.brand{display:flex;flex-direction:column;line-height:1.1;flex:none;}
.brand-main{color:#fff;font-size:19px;font-weight:800;letter-spacing:.02em;}
.brand-sub{color:var(--lime);font-size:11px;font-weight:600;letter-spacing:.34em;margin-top:3px;}
.nav-wrap{margin-left:auto;display:flex;align-items:center;gap:28px;}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;
  color:#B7BFCC;font-size:15px;font-weight:500;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  background:var(--lime);border-radius:2px;transform:scaleX(0);
  transition:transform .22s ease,box-shadow .22s ease;
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{transform:scaleX(1);box-shadow:0 0 10px rgba(198,255,58,.6);}
.nav-link.is-active{color:#fff;font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(198,255,58,.75);}
.header-cta{height:42px;padding:0 20px;font-size:14px;}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  background:transparent;border:1px solid rgba(255,255,255,.22);
  align-items:center;justify-content:center;cursor:pointer;flex:none;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;position:relative;transition:background .2s;}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;transition:transform .22s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle:hover{border-color:var(--lime);}
.nav-toggle:hover span,
.nav-toggle:hover span::before,
.nav-toggle:hover span::after{background:var(--lime);}

.mobile-panel{
  display:none;position:fixed;inset:0;z-index:200;
  background:var(--ink);padding:22px 22px 40px;
  overflow-y:auto;
}
.mobile-panel.is-open{display:block;}
.mobile-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.mobile-title{color:#fff;font-size:14px;letter-spacing:.2em;font-weight:600;}
.mobile-close{
  width:44px;height:44px;border-radius:10px;background:transparent;
  border:1px solid rgba(255,255,255,.24);color:#fff;font-size:20px;
  line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.mobile-close:hover{border-color:var(--lime);color:var(--lime);}
.mobile-nav{display:flex;flex-direction:column;gap:4px;}
.mobile-nav a{
  display:flex;align-items:center;min-height:52px;padding:0 6px 0 16px;
  color:#C4CBD6;font-size:17px;font-weight:500;
  border-left:3px solid transparent;transition:color .2s,border-color .2s,background .2s;
}
.mobile-nav a:hover{color:#fff;background:rgba(255,255,255,.04);}
.mobile-nav a.is-active{color:#fff;border-left-color:var(--lime);background:rgba(198,255,58,.08);}
.mobile-cta{margin-top:26px;width:100%;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  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;
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:#0A0D10;}
.btn-primary:hover{background:#d5ff6b;transform:translateY(-1px);box-shadow:0 10px 24px rgba(198,255,58,.3);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.3);color:#fff;}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);}
.btn-ghost-light{background:#fff;border-color:#C9C5B9;color:var(--text);}
.btn-ghost-light:hover{border-color:var(--lime);color:var(--text);transform:translateY(-1px);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;
  color:var(--text);text-decoration:underline;text-underline-offset:4px;
  text-decoration-color:rgba(21,24,29,.32);transition:color .2s,text-decoration-color .2s;
}
.text-link:hover{color:#7a9c10;text-decoration-color:var(--lime);}
.text-link.on-dark{color:#fff;text-decoration-color:rgba(255,255,255,.4);}
.text-link.on-dark:hover{color:var(--lime);text-decoration-color:var(--lime);}

/* ---------- 分类页 Hero ---------- */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  padding:44px 0 66px;
  background:
    linear-gradient(102deg,rgba(10,13,16,.96) 0%,rgba(10,13,16,.86) 46%,rgba(10,13,16,.6) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid rgba(198,255,58,.22);
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;
  border-radius:50%;border:1px solid rgba(198,255,58,.18);
  pointer-events:none;
}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:#9AA3B1;margin-bottom:26px;
}
.crumbs a{color:#9AA3B1;transition:color .2s;}
.crumbs a:hover{color:var(--lime);}
.crumbs .sep{color:#4B525C;}
.crumbs .now{color:#DDE3EB;}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);
  gap:48px;align-items:end;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--lime);
  margin-bottom:18px;
}
.hero-eyebrow::before{
  content:"";width:34px;height:2px;background:var(--lime);border-radius:2px;
  box-shadow:0 0 10px rgba(198,255,58,.7);
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.22;letter-spacing:-.02em;
}
.page-hero h1 .hl{color:var(--lime);}
.hero-lead{
  margin-top:20px;max-width:640px;
  font-size:17px;line-height:1.9;color:#C3CAD5;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

.hero-side{
  border:1px solid rgba(198,255,58,.3);
  border-radius:var(--radius-lg);
  background:rgba(18,22,28,.72);
  padding:24px 24px 22px;
}
.hero-side h2{
  font-size:14px;font-weight:600;letter-spacing:.16em;color:#96A0AE;
  margin-bottom:16px;
}
.side-list{display:flex;flex-direction:column;}
.side-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:11px 0;border-bottom:1px solid rgba(255,255,255,.08);
  font-size:14px;
}
.side-row:last-child{border-bottom:0;padding-bottom:0;}
.side-row dt{color:#8E97A5;}
.side-row dd{margin:0;color:#fff;font-weight:600;font-variant-numeric:tabular-nums;}
.side-row dd .accent{color:var(--lime);}

/* ---------- 数据条 ---------- */
.stats-band{
  background:var(--charcoal);color:#fff;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0;padding:26px 0;
}
.stat{
  padding:0 26px;border-left:1px solid rgba(255,255,255,.1);
}
.stat:first-child{border-left:0;padding-left:0;}
.stat-num{
  display:block;font-size:28px;font-weight:800;color:var(--lime);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.2;
}
.stat-label{display:block;font-size:13.5px;color:#9AA3B1;margin-top:6px;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section.tight{padding:72px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  margin-bottom:44px;
}
.section-head .head-text{max-width:680px;}
.section-kicker{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.18em;
  color:#7C9B12;margin-bottom:12px;
}
.section-kicker::before{
  content:"";display:inline-block;width:22px;height:2px;background:var(--orange);
  border-radius:2px;vertical-align:middle;margin-right:10px;
}
.section h2{
  font-size:clamp(27px,3.2vw,40px);
  letter-spacing:-.02em;color:var(--text);
}
.section-sub{
  margin-top:14px;font-size:16px;line-height:1.85;color:var(--muted);max-width:660px;
}
.on-dark h2,.on-dark .section-sub{color:#fff;}
.on-dark .section-sub{color:#B9C1CD;}

/* ---------- 卡片 ---------- */
.card{
  display:flex;flex-direction:column;
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-3px);border-color:var(--lime);box-shadow:var(--shadow-hover);}
.card-media{position:relative;overflow:hidden;background:#E8E5DB;aspect-ratio:16/10;}
.card-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .45s ease;
}
.card:hover .card-media img{transform:scale(1.045);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.03em;
  background:var(--orange-soft);color:#A93C12;
}
.badge.on-photo{
  position:absolute;left:16px;top:16px;
  background:rgba(255,255,255,.94);color:#A93C12;
  box-shadow:0 4px 12px rgba(8,12,16,.16);
}
.badge.badge-lime{background:var(--lime-soft);color:#5F7A0A;}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-title{font-size:20px;font-weight:700;line-height:1.45;letter-spacing:-.01em;}
.card:hover .card-title{color:#1a1f27;}
.card-desc{font-size:15px;line-height:1.8;color:var(--muted);}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  margin-top:auto;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;
}
.card-arrow{
  display:inline-flex;align-items:center;gap:5px;font-weight:600;color:var(--text);font-size:13.5px;
}
.card:hover .card-arrow{color:#7C9B12;}

.feature-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;
}
.feature-grid .card-media{aspect-ratio:16/9;}
.feature-grid .card-title{font-size:24px;}
.feature-grid .card-desc{font-size:15.5px;}

.mini-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.mini-grid .card-title{font-size:17px;line-height:1.5;}
.mini-grid .card-desc{font-size:14px;}
.mini-grid .card-body{padding:18px 18px 20px;gap:10px;}

/* ---------- 阅读线索 ---------- */
.guide-section{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.guide-grid{
  display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);
  gap:56px;align-items:start;
}
.guide-sticky{position:sticky;top:104px;}
.guide-sticky h2{font-size:clamp(26px,3vw,38px);}
.guide-sticky p{margin-top:16px;font-size:16px;line-height:1.85;color:var(--muted);}
.steps{display:flex;flex-direction:column;}
.step{
  display:grid;grid-template-columns:64px minmax(0,1fr);
  gap:20px;padding:26px 0;border-top:1px solid var(--line);
}
.step:first-child{border-top:0;padding-top:0;}
.step-num{
  font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;
  color:var(--orange);letter-spacing:.04em;padding-top:3px;
}
.step h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.step p{font-size:15.5px;line-height:1.8;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;}
.faq-item{
  border-bottom:1px solid var(--line);
  border-left:3px solid transparent;
  padding-left:0;
  transition:border-color .22s ease,background .22s ease,padding-left .22s ease;
}
.faq-item.is-open{
  border-left-color:var(--lime);
  background:rgba(198,255,58,.07);
  padding-left:20px;
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 4px 20px 0;background:none;border:0;cursor:pointer;
  font-size:17px;font-weight:700;color:var(--text);text-align:left;line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:#6E8C0F;}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;
  border:1px solid #C9C5B9;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:600;color:var(--muted);line-height:1;
  transition:transform .25s ease,border-color .25s ease,color .25s ease,background .25s ease;
}
.faq-item.is-open .faq-icon{
  transform:rotate(45deg);border-color:var(--lime);color:#0A0D10;background:var(--lime);
}
.faq-a{
  padding:0 4px 24px 0;font-size:15.5px;line-height:1.85;color:var(--muted);
}
.faq-a[hidden]{display:none;}

/* ---------- 底部 CTA ---------- */
.final-cta{
  position:relative;color:#fff;overflow:hidden;
  padding:84px 0;
  background:
    linear-gradient(112deg,rgba(10,13,16,.96) 0%,rgba(10,13,16,.9) 52%,rgba(10,13,16,.72) 100%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  border-top:1px solid rgba(198,255,58,.28);
}
.cta-grid{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:48px;align-items:center;
}
.cta-grid h2{font-size:clamp(26px,3.2vw,40px);color:#fff;}
.cta-grid p{margin-top:16px;font-size:16px;line-height:1.85;color:#BCC5D0;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.cta-card{
  border:1px solid rgba(198,255,58,.3);border-radius:var(--radius-lg);
  background:rgba(18,22,28,.7);padding:26px 26px 24px;
}
.cta-card h3{font-size:16px;color:#fff;margin-bottom:14px;}
.cta-card ul{display:flex;flex-direction:column;gap:12px;}
.cta-card li{
  display:flex;gap:10px;font-size:14.5px;color:#B4BDC9;line-height:1.7;
}
.cta-card li::before{
  content:"";flex:none;width:6px;height:6px;border-radius:50%;
  background:var(--lime);margin-top:9px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);color:#9AA3B1;padding:64px 0 0;
  border-top:1px solid rgba(198,255,58,.3);
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-desc{font-size:14.5px;line-height:1.85;color:#8D96A4;max-width:320px;}
.footer-col h4{
  font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  font-size:14.5px;color:#9AA3B1;transition:color .2s ease,padding-left .2s ease;
}
.footer-links a:hover{color:var(--lime);padding-left:4px;}
.footer-info{display:flex;flex-direction:column;gap:10px;font-size:14px;line-height:1.75;color:#8D96A4;}
.footer-info strong{color:#C7CEDA;font-weight:600;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:22px 0 26px;border-top:1px solid rgba(255,255,255,.09);
  font-size:13.5px;color:#7C8593;
}
.fb-right{color:#6E7683;font-variant-numeric:tabular-nums;}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 28px;}
  .mini-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1024px){
  .nav-wrap{gap:16px;}
  .nav-list{gap:0;}
  .nav-link{padding:10px 10px;font-size:14.5px;}
  .nav-link::after{left:10px;right:10px;}
  .header-cta{padding:0 16px;font-size:13.5px;height:40px;}
  .section{padding:64px 0;}
  .hero-grid{grid-template-columns:1fr;gap:36px;align-items:start;}
  .hero-side{max-width:520px;}
  .guide-grid{grid-template-columns:1fr;gap:32px;}
  .guide-sticky{position:static;}
  .stats-grid{grid-template-columns:repeat(2,1fr);row-gap:24px;}
  .stat{padding:0 22px;}
  .stat:nth-child(3){border-left:0;padding-left:0;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:860px){
  .nav-wrap .nav-list,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{height:64px;}
  .feature-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  body{font-size:16.5px;}
  .page-hero{padding:32px 0 52px;}
  .hero-lead{font-size:16px;}
  .hero-actions .btn{flex:1 1 auto;}
  .section{padding:52px 0;}
  .section.tight{padding:46px 0;}
  .mini-grid{grid-template-columns:1fr;gap:18px;}
  .stats-grid{padding:22px 0;}
  .stat-num{font-size:24px;}
  .step{grid-template-columns:48px minmax(0,1fr);gap:14px;}
  .faq-q{font-size:16px;padding:18px 0;}
  .final-cta{padding:56px 0;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-desc{max-width:none;}
}
@media (max-width:480px){
  .page-hero h1{font-size:31px;}
  .hero-side{padding:20px;}
  .stats-grid{grid-template-columns:1fr;}
  .stat{border-left:0;padding:0 0 0 14px;border-left:2px solid rgba(198,255,58,.4);}
  .stat:first-child{padding-left:14px;}
  .stat:nth-child(3){border-left:2px solid rgba(198,255,58,.4);padding-left:14px;}
  .btn{height:46px;padding:0 18px;font-size:14.5px;}
  .card-title{font-size:18px;}
  .feature-grid .card-title{font-size:20px;}
  .footer-bottom{font-size:12.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category3 */
:root{
  --ink:#0A0D10;
  --charcoal:#12161C;
  --deep:#1B2028;
  --paper:#F7F5EF;
  --white:#FFFFFF;
  --text:#15181D;
  --muted:#5C636E;
  --line:#D9D6CC;
  --lime:#C6FF3A;
  --lime-soft:rgba(198,255,58,.16);
  --lime-line:rgba(198,255,58,.30);
  --orange:#FF6B35;
  --orange-soft:#FFE4D8;
  --radius-sm:10px;
  --radius:14px;
  --radius-lg:18px;
  --shadow:0 12px 28px rgba(8,12,16,.08);
  --shadow-strong:0 18px 42px rgba(8,12,16,.14);
  --container:1200px;
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:hover{color:inherit;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  font-weight:700;color:var(--orange);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);display:block;}
.section-title{
  font-size:clamp(28px,3.2vw,42px);
  line-height:1.25;font-weight:800;letter-spacing:-.01em;
}
.section-lead{margin-top:16px;color:var(--muted);font-size:17px;max-width:680px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--lime);color:#0A0D10;box-shadow:0 6px 18px rgba(198,255,58,.18);}
.btn-primary:hover{background:#d6ff69;transform:translateY(-1px);box-shadow:0 12px 26px rgba(198,255,58,.32);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(198,255,58,.22);}
.btn-primary:focus-visible{outline:2px solid var(--lime);outline-offset:3px;}
.btn-ghost{background:rgba(255,255,255,.04);color:#fff;border-color:rgba(255,255,255,.26);}
.btn-ghost:hover{border-color:var(--lime);color:#fff;background:rgba(198,255,58,.10);}
.btn-ghost:active{transform:translateY(1px);}
.btn-outline{background:transparent;color:var(--text);border-color:var(--text);}
.btn-outline:hover{border-color:var(--lime);background:var(--lime);color:#0A0D10;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:8px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:#fff;
  border-bottom:1px solid rgba(255,255,255,.45);
  padding-bottom:2px;transition:color .18s ease,border-color .18s ease;
}
.link-arrow::after{content:"›";font-size:18px;line-height:1;transition:transform .18s ease;}
.link-arrow:hover{color:var(--lime);border-color:var(--lime);}
.link-arrow:hover::after{transform:translateX(3px);}
.link-dark{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;
  color:var(--text);border-bottom:1px solid var(--line);padding-bottom:2px;
  transition:color .18s ease,border-color .18s ease;
}
.link-dark:hover{color:#0A0D10;border-color:var(--lime);}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(10,13,16,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--lime-line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;flex-direction:column;justify-content:center;
  line-height:1.12;flex-shrink:0;
}
.brand-main{
  font-size:19px;font-weight:800;letter-spacing:.02em;color:#fff;
}
.brand-sub{
  font-size:11px;letter-spacing:.28em;text-transform:uppercase;
  color:var(--lime);font-weight:600;
}
.primary-nav{display:flex;align-items:center;}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:72px;padding:0 16px;
  font-size:15px;font-weight:500;color:rgba(255,255,255,.72);
  transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:16px;right:16px;bottom:14px;
  height:2px;background:var(--lime);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;
  transition:transform .2s ease,box-shadow .2s ease;
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{transform:scaleX(.5);}
.nav-link.is-active{color:#fff;font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(198,255,58,.75);}
.nav-link:focus-visible{outline:2px solid var(--lime);outline-offset:-6px;border-radius:6px;}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-cta-mobile{display:none;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.2);
  cursor:pointer;padding:0;
}
.nav-toggle span{
  display:block;width:20px;height:2px;background:#fff;position:relative;
  transition:background .18s ease;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:#fff;
  transition:transform .2s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle:hover{border-color:var(--lime);}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--ink);
  color:#fff;
  padding:64px 0 72px;
}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center 32%;
  opacity:.22;filter:saturate(.8);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(1100px 420px at 12% 0%,rgba(198,255,58,.14),transparent 62%),
    linear-gradient(180deg,rgba(10,13,16,.72) 0%,rgba(10,13,16,.94) 100%);
  pointer-events:none;
}
.page-hero-inner{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.72);transition:color .18s ease;}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb span[aria-hidden]{color:rgba(255,255,255,.32);}
.page-hero h1{
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.2;font-weight:800;letter-spacing:-.015em;
  max-width:900px;
}
.page-hero h1 em{font-style:normal;color:var(--lime);}
.page-hero-lead{
  margin-top:20px;max-width:700px;
  font-size:18px;line-height:1.8;color:rgba(255,255,255,.78);
}
.page-hero-actions{
  display:flex;align-items:center;gap:26px;flex-wrap:wrap;margin-top:32px;
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;
}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  color:rgba(255,255,255,.82);
}
.chip::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--lime);box-shadow:0 0 8px rgba(198,255,58,.8);
}
.chip-orange::before{background:var(--orange);box-shadow:0 0 8px rgba(255,107,53,.8);}

/* ---------- 帮助中心双栏 ---------- */
.help-layout{
  display:grid;
  grid-template-columns:290px minmax(0,1fr);
  gap:48px;
  align-items:start;
  padding:80px 0 88px;
}
.help-side{position:relative;}
.side-sticky{position:sticky;top:104px;}
.side-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  box-shadow:var(--shadow);
}
.side-title{
  font-size:12px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;
  color:var(--orange);margin-bottom:16px;
}
.side-nav{display:flex;flex-direction:column;gap:2px;}
.side-nav a{
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--muted);
  border-left:3px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.side-nav a::before{
  content:"";width:5px;height:5px;border-radius:50%;
  background:var(--line);flex-shrink:0;transition:background .18s ease;
}
.side-nav a:hover{background:var(--paper);color:var(--text);}
.side-nav a:hover::before{background:var(--orange);}
.side-nav a.is-current{
  background:rgba(198,255,58,.20);
  color:#0A0D10;font-weight:700;border-left-color:#0A0D10;
}
.side-nav a.is-current::before{background:#0A0D10;}
.side-note{
  margin-top:22px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13.5px;line-height:1.75;color:var(--muted);
}
.side-note strong{color:var(--text);display:block;margin-bottom:6px;font-size:14px;}
.side-note a{
  color:#0A0D10;font-weight:600;
  border-bottom:1px solid var(--lime);
}
.side-note a:hover{color:var(--orange);border-color:var(--orange);}

.help-main{min-width:0;}
.faq-group{margin-bottom:56px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group-head{
  display:flex;align-items:baseline;gap:14px;
  margin-bottom:20px;padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.faq-group-head h2{
  font-size:clamp(22px,2.2vw,28px);
  font-weight:800;line-height:1.3;letter-spacing:-.01em;
}
.faq-index{
  font-family:var(--mono);font-size:13px;font-weight:700;
  color:var(--orange);letter-spacing:.08em;flex-shrink:0;
}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--white);
  border:1px solid var(--line);
  border-left:3px solid transparent;
  border-radius:var(--radius);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.faq-item:hover{border-color:#c9c5b8;box-shadow:var(--shadow);}
.faq-item[open]{
  border-left-color:var(--lime);
  box-shadow:var(--shadow);
}
.faq-item summary{
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:20px 22px;cursor:pointer;list-style:none;
  font-size:16.5px;font-weight:700;line-height:1.6;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  position:relative;flex-shrink:0;width:22px;height:22px;margin-top:2px;
  border-radius:50%;border:1px solid var(--line);
  transition:border-color .2s ease,background-color .2s ease,transform .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:#0A0D10;
  transform:translate(-50%,-50%);border-radius:1px;
  transition:opacity .2s ease,background-color .2s ease;
}
.faq-icon::before{width:10px;height:1.6px;}
.faq-icon::after{width:1.6px;height:10px;}
.faq-item[open] .faq-icon{
  background:var(--lime);border-color:var(--lime);transform:rotate(180deg);
}
.faq-item[open] .faq-icon::after{opacity:0;}
.faq-a{
  padding:0 22px 22px 22px;
  font-size:15.5px;line-height:1.85;color:var(--muted);
}
.faq-a p+p{margin-top:10px;}
.faq-a strong{color:var(--text);}
.faq-a a{color:#0A0D10;font-weight:600;border-bottom:1px solid var(--lime);}
.faq-a a:hover{color:var(--orange);border-color:var(--orange);}

/* ---------- 检查清单 ---------- */
.check-section{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.check-grid{
  display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);
  gap:56px;align-items:start;
}
.check-list{display:flex;flex-direction:column;gap:2px;}
.check-item{
  display:flex;align-items:flex-start;gap:14px;
  padding:16px 0;border-bottom:1px solid var(--line);
  font-size:16px;line-height:1.75;color:var(--text);
}
.check-item:last-child{border-bottom:0;}
.check-item .tick{
  flex-shrink:0;width:22px;height:22px;margin-top:4px;
  border-radius:6px;background:var(--lime);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:#0A0D10;line-height:1;
}
.check-item span:last-child{display:block;}

/* ---------- 流程 ---------- */
.steps{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px;
}
.step{
  position:relative;background:var(--white);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px 30px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-3px);border-color:var(--lime);box-shadow:var(--shadow);}
.step-num{
  font-family:var(--mono);font-size:13px;font-weight:700;
  letter-spacing:.14em;color:var(--orange);
}
.step h3{font-size:19px;font-weight:800;margin:12px 0 10px;line-height:1.4;}
.step p{font-size:15px;line-height:1.8;color:var(--muted);}
.step::before{
  content:"";position:absolute;left:26px;right:26px;top:0;height:3px;
  background:linear-gradient(90deg,var(--lime),rgba(198,255,58,0));
  border-radius:0 0 3px 3px;
}

/* ---------- 支持卡 ---------- */
.support-wrap{padding:88px 0;}
.support-card{
  position:relative;overflow:hidden;
  background:var(--charcoal);
  border:1px solid var(--lime-line);
  border-radius:var(--radius-lg);
  padding:46px 48px;
  display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);
  gap:40px;align-items:center;
  color:#fff;
}
.support-card::after{
  content:"";position:absolute;right:-90px;top:-90px;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,255,58,.18),transparent 66%);
  pointer-events:none;
}
.support-card h2{
  font-size:clamp(24px,2.6vw,32px);font-weight:800;line-height:1.3;margin-bottom:14px;
}
.support-card p{color:rgba(255,255,255,.74);font-size:16px;line-height:1.8;}
.support-mail{
  position:relative;z-index:2;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);
  padding:24px;
}
.support-mail span{
  display:block;font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--lime);font-weight:700;margin-bottom:10px;
}
.support-mail a{
  display:block;font-size:19px;font-weight:700;color:#fff;word-break:break-all;
  border-bottom:1px solid var(--lime-line);padding-bottom:6px;
  transition:color .18s ease,border-color .18s ease;
}
.support-mail a:hover{color:var(--lime);border-color:var(--lime);}
.support-mail small{display:block;margin-top:14px;font-size:13.5px;color:rgba(255,255,255,.6);line-height:1.7;}

/* ---------- 相关分类 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.related-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.related-card:hover{transform:translateY(-3px);border-color:var(--lime);box-shadow:var(--shadow-strong);}
.related-thumb{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--deep);}
.related-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s ease;
}
.related-card:hover .related-thumb img{transform:scale(1.05);}
.badge{
  position:absolute;left:14px;top:14px;
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.02em;
  background:var(--lime);color:#0A0D10;
}
.badge-orange{background:var(--orange);color:#fff;}
.related-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-body h3{font-size:19px;font-weight:800;line-height:1.42;}
.related-body p{font-size:14.5px;line-height:1.75;color:var(--muted);}
.related-link{
  margin-top:auto;padding-top:12px;
  font-size:14px;font-weight:700;color:#0A0D10;
  display:inline-flex;align-items:center;gap:8px;
}
.related-link::after{content:"›";font-size:17px;line-height:1;transition:transform .18s ease;}
.related-card:hover .related-link::after{transform:translateX(4px);}

/* ---------- 底部 CTA ---------- */
.final-cta{
  position:relative;overflow:hidden;
  background:var(--ink);color:#fff;
  padding:88px 0;
}
.final-cta-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.18;
}
.final-cta::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(10,13,16,.96) 0%,rgba(18,22,28,.86) 55%,rgba(10,13,16,.96) 100%);
}
.final-cta-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
  gap:48px;align-items:center;
}
.final-cta h2{
  font-size:clamp(28px,3.4vw,42px);line-height:1.24;font-weight:800;letter-spacing:-.015em;
}
.final-cta h2 em{font-style:normal;color:var(--lime);}
.final-cta p{margin-top:18px;color:rgba(255,255,255,.76);font-size:17px;line-height:1.85;max-width:560px;}
.final-cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.final-cta-actions .btn{width:100%;max-width:320px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);color:rgba(255,255,255,.72);
  border-top:1px solid var(--lime-line);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{flex-direction:row;align-items:baseline;gap:10px;margin-bottom:16px;}
.footer-brand .brand-main{font-size:20px;}
.footer-brand .brand-sub{font-size:10.5px;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.56);max-width:320px;}
.footer-col h4{
  font-size:13px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:#fff;margin-bottom:18px;position:relative;padding-bottom:12px;
}
.footer-col h4::after{
  content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;
  background:var(--lime);border-radius:2px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  font-size:14.5px;color:rgba(255,255,255,.62);
  transition:color .18s ease,padding-left .18s ease;
  display:inline-block;
}
.footer-links a:hover{color:var(--lime);padding-left:5px;}
.footer-info p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.56);margin-bottom:10px;}
.footer-info strong{color:rgba(255,255,255,.86);font-weight:600;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.45);
}
.fb-right{font-family:var(--mono);letter-spacing:.06em;}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 28px;}
  .help-layout{gap:36px;grid-template-columns:260px minmax(0,1fr);}
}
@media (max-width:1024px){
  .section{padding:64px 0;}
  .page-hero{padding:52px 0 60px;}
  .help-layout{grid-template-columns:1fr;padding:56px 0 64px;gap:32px;}
  .side-sticky{position:static;}
  .side-card{padding:22px 20px;}
  .side-nav{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .side-nav a{
    border-left:0;border:1px solid var(--line);border-radius:999px;
    padding:8px 16px;font-size:14px;
  }
  .side-nav a::before{display:none;}
  .side-nav a.is-current{border-color:#0A0D10;}
  .check-grid{grid-template-columns:1fr;gap:28px;}
  .steps{grid-template-columns:1fr;gap:16px;}
  .support-card{grid-template-columns:1fr;padding:36px 32px;gap:28px;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .final-cta-inner{grid-template-columns:1fr;gap:32px;}
  .final-cta{padding:64px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  /* 移动端导航 */
  .primary-nav{
    position:fixed;inset:72px 0 0 0;
    background:var(--ink);
    flex-direction:column;align-items:stretch;
    padding:24px 24px 40px;
    transform:translateX(100%);
    transition:transform .28s ease;
    overflow-y:auto;
    visibility:hidden;
  }
  .primary-nav.is-open{transform:translateX(0);visibility:visible;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-link{
    height:auto;padding:16px 12px;font-size:17px;
    border-bottom:1px solid rgba(255,255,255,.08);
    border-left:3px solid transparent;
  }
  .nav-link::after{display:none;}
  .nav-link.is-active{border-left-color:var(--lime);background:rgba(198,255,58,.08);padding-left:16px;}
  .nav-cta-mobile{display:inline-flex;margin-top:26px;width:100%;}
  .nav-toggle{display:flex;}
  .header-cta{display:none;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:28px;}
  .page-hero{padding:44px 0 52px;}
  .page-hero-lead{font-size:16.5px;}
  .page-hero-actions{gap:16px;}
  .page-hero-actions .btn{width:100%;}
  .help-layout{padding:44px 0 52px;}
  .faq-item summary{padding:16px 16px;font-size:15.5px;gap:14px;}
  .faq-a{padding:0 16px 18px;}
  .faq-group{margin-bottom:40px;}
  .related-grid{grid-template-columns:1fr;gap:18px;}
  .support-card{padding:28px 22px;}
  .support-mail{padding:20px;}
  .support-mail a{font-size:17px;}
  .check-item{font-size:15px;padding:14px 0;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .final-cta{padding:52px 0;}
  .final-cta-actions .btn{max-width:none;}
}
@media (max-width:480px){
  body{font-size:16px;}
  .brand-main{font-size:17px;}
  .brand-sub{font-size:10px;letter-spacing:.22em;}
  .page-hero h1{font-size:28px;}
  .faq-group-head{flex-direction:column;gap:6px;align-items:flex-start;}
  .side-nav a{font-size:13.5px;padding:7px 13px;}
  .step{padding:22px 20px 24px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}