/* roulang page: index */
:root{
  --brand:#FF6A2A;
  --brand-deep:#E2551A;
  --brand-soft:#FFF1E9;
  --teal:#1F6F6B;
  --teal-soft:#E7F1F0;
  --ink:#121417;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --line:#E5E1D8;
  --muted:#6B6F73;
  --warn:#C9432F;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-sm:0 8px 24px rgba(18,20,23,.08);
  --shadow-lg:0 12px 32px rgba(18,20,23,.12);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.3;}
p{margin:0;}
button,input{font-family:inherit;}
:focus-visible{outline:3px solid rgba(255,106,42,.45);outline-offset:2px;border-radius:6px;}

.container-x{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部窄条 ---------- */
.topbar{
  background:var(--ink);
  color:#F7F5F0;
  font-size:.8125rem;
  line-height:1.6;
}
.topbar__inner{display:flex;align-items:center;gap:12px;padding:8px 0;flex-wrap:wrap;}
.topbar__dot{
  width:8px;height:8px;border-radius:50%;background:var(--brand);
  box-shadow:0 0 0 4px rgba(255,106,42,.18);flex:none;
}
.topbar__text{color:#D9D6CE;}
.topbar__link{margin-left:auto;color:var(--brand);font-weight:600;border-bottom:1px solid transparent;transition:border-color .2s ease,color .2s ease;}
.topbar__link:hover{border-color:var(--brand);color:#FFB08A;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;}
.navbar-custom{
  background:rgba(247,245,240,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled .navbar-custom{box-shadow:0 6px 22px rgba(18,20,23,.08);}
.nav-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:20px;
  padding:14px 0;
}
.nav-side{display:flex;align-items:center;gap:26px;}
.nav-side--left{justify-content:flex-end;}
.nav-side--right{justify-content:flex-start;}
.nav-side a{
  position:relative;
  font-size:.9375rem;
  font-weight:500;
  color:#3A3E42;
  padding:6px 2px;
  transition:color .2s ease;
}
.nav-side a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:center;transition:transform .25s ease;
}
.nav-side a:hover{color:var(--ink);}
.nav-side a:hover::after{transform:scaleX(1);}
.nav-side a.is-active{color:var(--ink);font-weight:600;}
.nav-side a.is-active::after{transform:scaleX(1);}
.brand{
  font-size:1.0625rem;
  font-weight:800;
  letter-spacing:-.02em;
  white-space:nowrap;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:#fff;
  box-shadow:0 2px 10px rgba(18,20,23,.05);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.brand:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm);border-color:rgba(255,106,42,.45);}
.brand span{color:var(--brand);}
.nav-toggle{
  display:none;
  justify-self:end;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  font-size:1.05rem;
  cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--brand-soft);border-color:rgba(255,106,42,.4);}
.mobile-menu{
  display:none;
  border-bottom:1px solid var(--line);
  background:#fff;
  padding:10px 0 18px;
}
.mobile-menu.is-open{display:block;}
.mobile-menu a{
  display:block;
  padding:13px 4px;
  font-size:1rem;
  font-weight:500;
  border-bottom:1px dashed var(--line);
}
.mobile-menu a:last-child{border-bottom:none;}
.mobile-menu a.is-active{color:var(--brand);font-weight:700;}

/* ---------- Hero ---------- */
.hero{position:relative;padding:64px 0 96px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 420px at 82% -8%,rgba(255,106,42,.12),transparent 62%),
             radial-gradient(700px 380px at 4% 108%,rgba(31,111,107,.10),transparent 60%);
  pointer-events:none;
}
.hero__grid{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);
  gap:56px;
  align-items:start;
}
.hero__cover{
  position:relative;
  border-radius:18px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-lg);
  background:#ddd;
}
.hero__cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.hero__cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,20,23,0) 45%,rgba(18,20,23,.62) 100%);
}
.hero__cover-tag{
  position:absolute;top:16px;left:16px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand);color:var(--ink);
  font-size:.8125rem;font-weight:700;
  padding:6px 14px;border-radius:var(--radius-pill);
}
.hero__cover-note{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;color:#fff;
}
.hero__cover-note strong{display:block;font-size:1.0625rem;font-weight:700;}
.hero__cover-note span{font-size:.8125rem;color:rgba(255,255,255,.82);}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:700;color:var(--teal);
  background:var(--teal-soft);
  padding:6px 14px;border-radius:var(--radius-pill);
  margin-bottom:18px;
}
.hero h1{
  font-size:clamp(2.25rem,5vw,4rem);
  font-weight:800;
  letter-spacing:-.03em;
  margin-bottom:16px;
}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero__sub{
  font-size:1.125rem;
  color:#43474B;
  margin-bottom:28px;
  max-width:34em;
}
.countdown{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  padding:18px 20px;
  margin-bottom:22px;
}
.countdown__label{
  display:flex;align-items:center;justify-content:space-between;
  font-size:.8125rem;color:var(--muted);margin-bottom:12px;
}
.countdown__label b{color:var(--ink);font-weight:600;}
.countdown__row{display:flex;gap:10px;}
.countdown__cell{
  flex:1;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:12px;
  text-align:center;
  padding:10px 4px;
}
.countdown__num{
  display:block;
  font-size:1.75rem;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  color:var(--ink);
  line-height:1.2;
  transition:color .2s ease;
}
.countdown__num.is-tick{color:var(--brand);}
.countdown__unit{font-size:.75rem;color:var(--muted);}
.points{margin-bottom:24px;}
.points li{
  display:flex;gap:12px;align-items:flex-start;
  padding:9px 0;
  font-size:1rem;
  color:#33373B;
}
.points li i{
  font-style:normal;
  flex:none;
  width:24px;height:24px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);
  color:var(--brand-deep);
  font-size:.8125rem;font-weight:800;
  margin-top:3px;
}
.subscribe{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:18px 20px;
  box-shadow:var(--shadow-sm);
  margin-bottom:20px;
}
.subscribe__title{font-size:.9375rem;font-weight:700;margin-bottom:4px;}
.subscribe__hint{font-size:.8125rem;color:var(--muted);margin-bottom:14px;}
.subscribe__form{display:flex;gap:10px;flex-wrap:wrap;}
.subscribe__form input{
  flex:1 1 200px;
  min-width:0;
  height:46px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:var(--bg);
  font-size:.9375rem;
  color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.subscribe__form input::placeholder{color:#9AA0A5;}
.subscribe__form input:focus{
  outline:none;background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(255,106,42,.14);
}
.form-msg{font-size:.8125rem;color:var(--teal);margin-top:10px;display:none;}
.form-msg.is-show{display:block;}

.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;gap:10px;
  height:46px;padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:.9375rem;font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-main{background:var(--brand);color:var(--ink);box-shadow:var(--shadow-sm);}
.btn-main:hover{background:var(--ink);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.btn-main i{transition:transform .2s ease;}
.btn-main:hover i{transform:translateX(3px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(18,20,23,.28);}
.btn-ghost:hover{background:#EFEBE2;border-color:var(--ink);transform:translateY(-2px);}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--dark{background:var(--ink);color:#F2F0EB;}
.section--paper{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-label{
  display:inline-block;
  font-size:.78rem;font-weight:800;letter-spacing:.16em;
  color:var(--brand);text-transform:uppercase;
  margin-bottom:12px;
}
.sec-head h2{font-size:clamp(1.75rem,3vw,2.25rem);margin-bottom:14px;}
.sec-head p{color:var(--muted);font-size:1.0625rem;}
.section--dark .sec-head p{color:#A9ADB2;}
.section--dark .sec-label{color:var(--brand);}

/* ---------- 流程步骤条 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  position:relative;
}
.step{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 22px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:rgba(255,106,42,.4);}
.step__no{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-weight:800;font-size:1rem;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step h3{font-size:1.25rem;margin-bottom:10px;}
.step p{font-size:.9375rem;color:var(--muted);margin-bottom:14px;}
.step__meta{
  font-size:.78rem;font-weight:700;color:var(--teal);
  background:var(--teal-soft);
  display:inline-block;padding:4px 10px;border-radius:var(--radius-pill);
}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.news-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.news-card__thumb{overflow:hidden;background:#EDE9E1;}
.news-card__thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease;}
.news-card:hover .news-card__thumb img{transform:scale(1.04);}
.news-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-card__meta{display:flex;align-items:center;gap:12px;font-size:.78rem;color:var(--muted);}
.badge-soft{
  display:inline-block;
  background:var(--brand-soft);
  color:var(--brand-deep);
  font-size:.75rem;font-weight:700;
  padding:3px 10px;border-radius:var(--radius-pill);
}
.news-card__title{font-size:1.1875rem;line-height:1.45;}
.news-card__title a{transition:color .2s ease;}
.news-card__title a:hover{color:var(--brand-deep);}
.news-card__desc{font-size:.9375rem;color:var(--muted);}
.news-card__more{
  margin-top:auto;font-size:.875rem;font-weight:700;color:var(--teal);
  display:inline-flex;align-items:center;gap:8px;
}
.news-card__more i{transition:transform .2s ease;}
.news-card:hover .news-card__more i{transform:translateX(4px);}
.news-card--lead{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);}
.news-card--lead .news-card__thumb{height:100%;}
.news-card--lead .news-card__thumb img{height:100%;aspect-ratio:auto;min-height:280px;}
.news-card--lead .news-card__body{padding:30px 32px;justify-content:center;}
.news-card--lead .news-card__title{font-size:1.5rem;}
.empty-state{
  grid-column:1/-1;
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:56px 24px;text-align:center;color:var(--muted);
}
.empty-state i{font-size:1.75rem;color:var(--line);display:block;margin-bottom:14px;}
.empty-state a{color:var(--teal);font-weight:700;border-bottom:1px solid currentColor;}

/* ---------- 图文区块 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center;}
.split__media{
  border-radius:16px;overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-lg);
}
.split__media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:12px 0;
  border-bottom:1px dashed var(--line);
  font-size:1rem;color:#33373B;
}
.check-list li:last-child{border-bottom:none;}
.check-list i{
  flex:none;color:var(--teal);font-size:1rem;margin-top:5px;
}
.check-list b{color:var(--ink);}

/* ---------- 设备矩阵 ---------- */
.matrix-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.matrix-scroll{overflow-x:auto;}
table.matrix{width:100%;border-collapse:collapse;min-width:660px;}
table.matrix th,table.matrix td{
  padding:16px 20px;text-align:left;font-size:.9375rem;
  border-bottom:1px solid var(--line);
}
table.matrix thead th{
  background:var(--bg);font-size:.8125rem;letter-spacing:.04em;color:var(--muted);
  font-weight:700;text-transform:uppercase;
}
table.matrix tbody tr{transition:background .2s ease;}
table.matrix tbody tr:hover{background:#FCFBF8;}
table.matrix tbody tr:last-child td{border-bottom:none;}
.tag-ok{color:var(--teal);font-weight:700;}
.tag-warn{color:var(--warn);font-weight:700;}

/* ---------- 深色数据区 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-bottom:48px;}
.metric{
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-card);
  padding:24px 22px;
  background:rgba(255,255,255,.03);
  transition:background .25s ease,transform .25s ease;
}
.metric:hover{background:rgba(255,255,255,.07);transform:translateY(-2px);}
.metric__num{
  font-size:2.25rem;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;line-height:1.1;
}
.metric__label{font-size:.9375rem;color:#C7CAC9;margin-top:8px;}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.quote{
  border-left:3px solid var(--brand);
  padding:6px 0 6px 20px;
}
.quote p{font-size:1rem;color:#E4E2DC;margin-bottom:10px;}
.quote span{font-size:.8125rem;color:#9A9EA3;}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  margin-bottom:14px;overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item.is-open{border-color:rgba(255,106,42,.5);box-shadow:var(--shadow-sm);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;
  padding:20px 22px;background:transparent;border:none;cursor:pointer;
  font-size:1.0625rem;font-weight:600;color:var(--ink);text-align:left;
}
.faq-q:hover{color:var(--brand-deep);}
.faq-item.is-open .faq-q{color:var(--brand-deep);}
.faq-icon{
  flex:none;margin-left:auto;position:relative;width:16px;height:16px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{left:0;right:0;top:7px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:7px;width:2px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a__inner{padding:0 22px 22px;color:#4A4E52;font-size:.9688rem;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,#121417 0%,#1E2126 62%,#2A2E33 100%);
  border-radius:20px;
  padding:56px 48px;
  color:#F2F0EB;
  display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);
  gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,42,.35),transparent 68%);
}
.cta-band h2{font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:12px;position:relative;}
.cta-band p{color:#B9BCBF;position:relative;}
.cta-band .subscribe{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);position:relative;margin:0;}
.cta-band .subscribe__title{color:#fff;}
.cta-band .subscribe__hint{color:#A9ADB2;}
.cta-band .subscribe__form input{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:#fff;}
.cta-band .subscribe__form input::placeholder{color:#8F9398;}
.cta-band .form-msg{color:#7FD3CC;}

/* ---------- 页脚 ---------- */
.site-footer{background:#FFFFFF;border-top:1px solid var(--line);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{font-size:1.0625rem;font-weight:800;letter-spacing:-.02em;margin-bottom:14px;}
.footer-brand span{color:var(--brand);}
.footer-desc{font-size:.9375rem;color:var(--muted);margin-bottom:16px;}
.footer-safe{
  font-size:.8125rem;color:var(--muted);
  background:var(--bg);border:1px solid var(--line);border-radius:12px;
  padding:12px 14px;line-height:1.7;
}
.footer-col h4{font-size:.9375rem;font-weight:700;margin-bottom:16px;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:.9375rem;color:var(--muted);transition:color .2s ease;}
.footer-col a:hover{color:var(--brand-deep);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.8125rem;color:var(--muted);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-in{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .hero__grid{gap:40px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:992px){
  .nav-side{display:none;}
  .nav-inner{grid-template-columns:auto 1fr auto;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .brand{justify-self:center;font-size:1rem;padding:6px 12px;}
  .hero{padding:48px 0 72px;}
  .hero__grid{grid-template-columns:1fr;gap:34px;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .quotes{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;gap:32px;}
  .news-card--lead{grid-template-columns:1fr;}
  .news-card--lead .news-card__thumb img{min-height:220px;}
  .cta-band{grid-template-columns:1fr;padding:40px 28px;}
}
@media (max-width:768px){
  .container-x{padding:0 18px;}
  .news-grid{grid-template-columns:1fr;}
  .metrics{grid-template-columns:1fr 1fr;gap:14px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:576px){
  body{font-size:15.5px;}
  .topbar__link{width:100%;margin-left:0;}
  .hero h1{font-size:clamp(1.9rem,8vw,2.4rem);}
  .hero__sub{font-size:1rem;}
  .steps{grid-template-columns:1fr;}
  .countdown__num{font-size:1.4rem;}
  .metrics{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero__actions .btn-main,.hero__actions .btn-ghost{width:100%;justify-content:center;}
  .subscribe__form input,.subscribe__form .btn-main{width:100%;flex:1 1 100%;justify-content:center;}
}

/* roulang page: article */
:root{
  --brand:#FF6A2A;
  --brand-deep:#E85A18;
  --deep:#1F6F6B;
  --ink:#121417;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --line:#E5E1D8;
  --muted:#6B6F73;
  --danger:#C9432F;
  --soft:#EFEBE3;
  --radius:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow:0 8px 24px rgba(18,20,23,.08);
  --shadow-hover:0 12px 32px rgba(18,20,23,.12);
  --container:1280px;
  --bs-primary:#FF6A2A;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#121417;
  --bs-border-color:#E5E1D8;
  --bs-link-color:#1F6F6B;
  --bs-link-hover-color:#121417;
  --bs-border-radius:14px;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--deep);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4{letter-spacing:-.02em;line-height:1.3;margin:0;font-weight:700;color:var(--ink)}
p{margin:0}
ul,ol{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(1.5rem,3vw,2.15rem);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:1.02rem}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:600;letter-spacing:.14em;color:var(--deep);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);display:inline-block}

/* 顶部导航 */
.navbar-custom{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,245,240,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.navbar-custom.is-scrolled{box-shadow:0 6px 20px rgba(18,20,23,.08)}
.nav-inner{position:relative;display:flex;align-items:center;gap:20px;min-height:74px}
.nav-side{display:flex;align-items:center;gap:30px;list-style:none;margin:0;padding:0;flex:1 1 0;min-width:0}
.nav-side--right{justify-content:flex-end}
.nav-side a{position:relative;display:inline-block;padding:8px 0;font-size:.95rem;font-weight:500;color:var(--ink);white-space:nowrap}
.nav-side a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-side a:hover::after{transform:scaleX(1)}
.nav-side a.is-active{color:var(--brand)}
.nav-side a.is-active::after{transform:scaleX(1)}
.brand{
  flex:0 0 auto;font-size:1.06rem;font-weight:800;color:var(--ink);
  letter-spacing:-.01em;white-space:nowrap;padding:6px 4px;
}
.brand span{color:var(--brand);margin:0 6px}
.brand:hover{color:var(--ink)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:var(--card);color:var(--ink);font-size:1.05rem;cursor:pointer;
  position:absolute;right:0;top:50%;transform:translateY(-50%);
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
.mobile-menu{display:none;background:var(--card);border-top:1px solid var(--line)}
.mobile-menu.is-open{display:block}
.mobile-menu .container-x{padding-top:6px;padding-bottom:14px}
.mobile-menu a{display:block;padding:13px 2px;border-bottom:1px solid var(--line);color:var(--ink);font-size:.96rem}
.mobile-menu a:last-child{border-bottom:0}
.mobile-menu a.is-active{color:var(--brand);font-weight:600}

/* 面包屑 */
.crumbs{padding:22px 0 0;font-size:.86rem;color:var(--muted)}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:var(--line)}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs .current{color:var(--ink);font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章头 */
.article-hero{padding:26px 0 40px;border-bottom:1px solid var(--line)}
.article-hero h1{font-size:clamp(2rem,4.2vw,3.1rem);font-weight:800;max-width:18em;margin-bottom:20px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;font-size:.88rem;color:var(--muted)}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--soft);color:var(--brand-deep);
  border-radius:var(--radius-pill);padding:5px 14px;font-size:.8rem;font-weight:600;
}
.badge-cat.is-deep{color:var(--deep)}
.lede{margin-top:20px;font-size:1.05rem;color:#3c4043;max-width:820px;line-height:1.8}

/* 文章布局 */
.article-wrap{padding:52px 0 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}
.article-main{max-width:820px;min-width:0}
.cover-figure{margin:0 0 40px}
.cover-figure img{width:100%;aspect-ratio:21/9;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.cover-figure figcaption{margin-top:12px;font-size:.85rem;color:var(--muted)}

/* 正文排版 */
.article-body{font-size:1.06rem;color:#23262a;overflow-wrap:anywhere}
.article-body>*:first-child{margin-top:0}
.article-body h2{
  font-size:1.55rem;font-weight:700;margin:2.6em 0 1em;
  padding-left:16px;border-left:4px solid var(--brand);line-height:1.45;
}
.article-body h3{font-size:1.22rem;font-weight:700;margin:2em .0 .8em;margin-left:0}
.article-body h4{font-size:1.05rem;font-weight:700;margin:1.6em 0 .6em}
.article-body p{margin:0 0 1.15em;line-height:1.85}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.45em;line-height:1.85}
.article-body li{margin:.35em 0}
.article-body strong{font-weight:700}
.article-body blockquote{
  margin:1.7em 0;padding:18px 22px;background:var(--card);
  border-left:4px solid var(--deep);border-radius:0 12px 12px 0;color:#3c4043;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:1.5em 0;box-shadow:var(--shadow)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:.85rem;color:var(--muted);margin-top:10px;text-align:center}
.article-body a{border-bottom:1px solid rgba(31,111,107,.35)}
.article-body a:hover{border-bottom-color:var(--brand)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.article-body code{background:var(--soft);border-radius:6px;padding:2px 6px;font-size:.92em}
.table-wrap{overflow-x:auto;margin:1.6em 0;border-radius:12px;border:1px solid var(--line);background:var(--card)}
.article-body table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:520px}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
.article-body th{background:#FBF9F5;font-weight:700;color:var(--ink)}
.article-body tbody tr:last-child td{border-bottom:0}

/* 空态 */
.empty-state{
  background:var(--card);border:1px dashed var(--line);border-radius:var(--radius);
  padding:64px 28px;text-align:center;box-shadow:var(--shadow);
}
.empty-state i{font-size:2rem;color:var(--brand);margin-bottom:16px;display:block}
.empty-state h2{font-size:1.35rem;margin-bottom:10px}
.empty-state p{color:var(--muted);margin-bottom:22px}

/* 侧栏 */
.side{position:sticky;top:98px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.side-card h3{font-size:1rem;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--brand)}
.toc-list{list-style:none;margin:0;padding:0;max-height:320px;overflow-y:auto}
.toc-list li{margin-bottom:9px;font-size:.9rem;line-height:1.55}
.toc-list li.lv3{padding-left:14px;font-size:.86rem;color:var(--muted)}
.toc-list a{color:#3c4043;display:block;border-left:2px solid transparent;padding-left:10px}
.toc-list a:hover{color:var(--brand);border-left-color:var(--brand)}
.toc-empty{font-size:.88rem;color:var(--muted)}
.side-links{list-style:none;margin:0;padding:0}
.side-links li{margin-bottom:10px}
.side-links a{font-size:.92rem;color:#3c4043;display:flex;gap:8px;align-items:flex-start}
.side-links a:hover{color:var(--brand-deep)}
.side-links i{color:var(--brand);margin-top:5px;font-size:.72rem}
.side-note{
  background:#FFF6F0;border:1px solid #F6D8C6;border-radius:var(--radius);padding:20px;
}
.side-note h3{font-size:.98rem;color:var(--danger);margin-bottom:10px;display:flex;gap:8px;align-items:center}
.side-note p{font-size:.86rem;color:#5b4a41;line-height:1.75}

/* 标签与分享 */
.after-body{margin-top:52px;padding-top:32px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:26px}
.tag-row .label{font-size:.85rem;color:var(--muted);margin-right:4px}
.tag{
  display:inline-block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-pill);padding:6px 15px;font-size:.83rem;color:#3c4043;
}
.tag:hover{border-color:var(--brand);color:var(--brand-deep)}
.share-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.share-row .label{font-size:.85rem;color:var(--muted)}

/* 按钮 */
.btn-x{
  display:inline-flex;align-items:center;gap:9px;
  border-radius:var(--radius-btn);padding:12px 24px;
  font-size:.95rem;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:all .22s ease;line-height:1.2;
}
.btn-x i{transition:transform .22s ease}
.btn-x:hover i{transform:translateX(3px)}
.btn-primary-x{background:var(--brand);color:var(--ink);border-color:var(--brand)}
.btn-primary-x:hover{background:var(--ink);color:var(--brand);border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-ghost-x{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost-x:hover{background:var(--soft);color:var(--ink);transform:translateY(-2px)}
.btn-soft-x{background:var(--card);color:var(--ink);border-color:var(--line)}
.btn-soft-x:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px)}
.btn-sm-x{padding:9px 16px;font-size:.86rem}

/* 相关推荐 */
.related{padding:88px 0 0}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.rel-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;height:100%;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.rel-card .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card h3{font-size:1.1rem;font-weight:700}
.rel-card p{font-size:.92rem;color:var(--muted);flex:1}
.rel-card .more{font-size:.88rem;font-weight:600;color:var(--brand-deep);display:inline-flex;gap:8px;align-items:center}

/* 文末 CTA */
.cta-band{
  margin-top:88px;background:var(--ink);border-radius:20px;padding:56px 48px;color:#F2EFE9;
  display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,42,.35),rgba(255,106,42,0) 70%);
}
.cta-band h2{color:#fff;font-size:clamp(1.4rem,2.6vw,2rem);margin-bottom:12px}
.cta-band p{color:#B9B5AD;max-width:620px;font-size:.98rem}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1}

/* 页脚 */
.site-footer{background:var(--card);border-top:1px solid var(--line);padding:76px 0 30px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:44px}
.footer-brand{font-size:1.12rem;font-weight:800;margin-bottom:14px}
.footer-brand span{color:var(--brand);margin:0 6px}
.footer-desc{color:var(--muted);font-size:.94rem;line-height:1.8}
.footer-safe{
  margin-top:16px;font-size:.84rem;color:var(--muted);line-height:1.75;
  background:var(--bg);border-left:3px solid var(--deep);border-radius:0 10px 10px 0;padding:12px 14px;
}
.footer-col h4{font-size:.95rem;font-weight:700;margin-bottom:16px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:.9rem;color:var(--muted)}
.footer-col a:hover{color:var(--brand-deep)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  border-top:1px solid var(--line);margin-top:52px;padding-top:24px;
  font-size:.84rem;color:var(--muted);
}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}

@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr) 270px;gap:40px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991.98px){
  .nav-side{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{justify-content:center;min-height:66px}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .side{position:static;order:2}
  .article-main{max-width:none}
  .section{padding:72px 0}
  .cta-band{padding:44px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767.98px){
  .container-x{padding:0 18px}
  .section{padding:56px 0}
  .article-body{font-size:1.02rem}
  .article-body h2{font-size:1.32rem}
  .article-body h3{font-size:1.14rem}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .article-hero h1{font-size:clamp(1.7rem,7vw,2.2rem)}
  .crumbs .current{max-width:180px}
}
@media (max-width:520px){
  .brand{font-size:.94rem}
  .btn-x{width:100%;justify-content:center}
  .cta-actions{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --orange:#FF6A2A;
  --orange-soft:#FFF1E9;
  --teal:#1F6F6B;
  --teal-soft:#E8F2F1;
  --ink:#121417;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --line:#E5E1D8;
  --muted:#6B6F73;
  --warn:#C9432F;
  --warn-soft:#FBEDEA;
  --r-card:14px;
  --r-btn:10px;
  --shadow:0 8px 24px rgba(18,20,23,.08);
  --shadow-hover:0 12px 32px rgba(18,20,23,.12);
  --sp:8px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:1rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--teal);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--orange);}
h1,h2,h3,h4{margin:0 0 16px;font-weight:700;letter-spacing:-.02em;line-height:1.25;color:var(--ink);}
h1{font-size:clamp(2.25rem,5vw,4rem);font-weight:800;}
h2{font-size:clamp(1.75rem,3vw,2.25rem);}
h3{font-size:clamp(1.25rem,2vw,1.5rem);font-weight:600;}
p{margin:0 0 16px;}
ul,ol{margin:0 0 16px;padding-left:1.25rem;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(255,106,42,.45);outline-offset:2px;border-radius:6px;}

.container-x{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ---------- 顶部导航 ---------- */
.navbar-custom{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(247,245,240,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.navbar-custom.is-scrolled{box-shadow:0 6px 20px rgba(18,20,23,.08);}
.nav-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  min-height:74px;
  position:relative;
}
.nav-side{
  list-style:none;
  display:flex;
  align-items:center;
  gap:6px;
  margin:0;
  padding:0;
}
.nav-side--left{justify-content:flex-start;}
.nav-side--right{justify-content:flex-end;}
.nav-side a{
  display:inline-block;
  padding:9px 13px;
  font-size:.95rem;
  color:var(--ink);
  border-radius:8px;
  position:relative;
  white-space:nowrap;
}
.nav-side a::after{
  content:"";
  position:absolute;
  left:13px;
  right:13px;
  bottom:3px;
  height:2px;
  background:var(--orange);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .28s ease;
}
.nav-side a:hover::after,
.nav-side a.is-active::after{transform:scaleX(1);}
.nav-side a:hover{color:var(--ink);}
.nav-side a.is-active{color:var(--orange);font-weight:600;}
.brand{
  font-size:1.06rem;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.02em;
  white-space:nowrap;
  padding:6px 4px;
}
.brand:hover{color:var(--ink);}
.brand span{color:var(--orange);margin:0 3px;font-weight:800;}
.nav-toggle{
  display:none;
  position:absolute;
  right:0;
  top:50%;
  transform:translateY(-50%);
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:var(--card);
  color:var(--ink);
  font-size:1.05rem;
  cursor:pointer;
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--orange);color:var(--orange);}
.mobile-menu{
  display:none;
  border-top:1px solid var(--line);
  background:var(--card);
  padding:8px 0 14px;
}
.mobile-menu a{
  display:block;
  padding:12px 0;
  color:var(--ink);
  font-size:1rem;
  border-bottom:1px dashed var(--line);
}
.mobile-menu a:last-child{border-bottom:0;}
.mobile-menu a.is-active{color:var(--orange);font-weight:600;}
.mobile-menu.is-open{display:block;}

/* ---------- 通用组件 ---------- */
.btn-x{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:13px 26px;
  border-radius:var(--r-btn);
  font-size:1rem;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .25s ease,color .25s ease,transform .25s ease,border-color .25s ease;
}
.btn-x i{transition:transform .25s ease;}
.btn-x:hover i{transform:translateX(4px);}
.btn-primary-x{background:var(--orange);color:var(--ink);}
.btn-primary-x:hover{background:var(--ink);color:var(--orange);transform:translateY(-2px);}
.btn-ghost-x{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost-x:hover{background:var(--orange-soft);border-color:var(--orange);color:var(--ink);transform:translateY(-2px);}
.btn-light-x{background:var(--card);color:var(--ink);border-color:var(--line);}
.btn-light-x:hover{background:var(--orange);color:var(--ink);border-color:var(--orange);transform:translateY(-2px);}

.badge-x{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:999px;
  background:var(--orange-soft);
  color:#B4430F;
  font-size:.8rem;
  font-weight:600;
  letter-spacing:.02em;
}
.badge-teal{background:var(--teal-soft);color:var(--teal);}
.badge-plain{background:#F0EDE6;color:var(--muted);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.85rem;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--orange);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--orange);display:inline-block;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head p{color:var(--muted);font-size:1.05rem;margin:0;}
.card-x{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
  padding:28px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.card-x:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(103deg,rgba(18,20,23,.94) 0%,rgba(18,20,23,.82) 48%,rgba(18,20,23,.5) 100%);
}
.page-hero-inner{
  position:relative;
  z-index:1;
  padding:88px 0 84px;
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:56px;
  align-items:center;
}
.crumb{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:0;margin:0 0 22px;font-size:.85rem;}
.crumb li{color:rgba(255,255,255,.62);}
.crumb li a{color:rgba(255,255,255,.72);}
.crumb li a:hover{color:var(--orange);}
.crumb li.current{color:#fff;font-weight:600;}
.crumb li+li::before{content:"/";margin-right:8px;color:rgba(255,255,255,.35);}
.page-hero h1{color:#fff;margin-bottom:20px;}
.page-hero .lead{
  color:rgba(255,255,255,.82);
  font-size:1.08rem;
  line-height:1.8;
  max-width:620px;
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-figure{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 20px 48px rgba(0,0,0,.4);
  background:rgba(255,255,255,.06);
}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-figure figcaption{
  padding:14px 18px;
  font-size:.86rem;
  color:rgba(255,255,255,.72);
  background:rgba(18,20,23,.5);
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:24px;
}

/* ---------- 入口识别网格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.check-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.check-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.check-icon{
  width:46px;height:46px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--orange-soft);color:var(--orange);
  font-size:1.15rem;margin-bottom:18px;
}
.check-card h3{margin-bottom:10px;font-size:1.2rem;}
.check-card p{color:var(--muted);margin:0;font-size:.98rem;}

/* ---------- 时间线 + sticky ---------- */
.flow-layout{
  display:grid;
  grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
  gap:48px;
  align-items:start;
}
.timeline{position:relative;padding-left:64px;}
.timeline::before{
  content:"";
  position:absolute;
  left:21px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--orange) 0%,var(--teal) 100%);
  opacity:.4;
}
.tl-item{position:relative;margin-bottom:32px;}
.tl-item:last-child{margin-bottom:0;}
.tl-num{
  position:absolute;
  left:-64px;top:2px;
  width:44px;height:44px;
  border-radius:50%;
  background:var(--card);
  border:2px solid var(--orange);
  color:var(--orange);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  font-size:1rem;
}
.tl-body{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 28px;
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.tl-body:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.tl-body h3{margin-bottom:10px;font-size:1.22rem;}
.tl-body p{color:var(--muted);margin-bottom:14px;font-size:.98rem;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tl-tags span{
  font-size:.78rem;
  padding:4px 11px;
  border-radius:999px;
  background:#F2EFE8;
  color:var(--muted);
}
.sticky-card{
  position:sticky;
  top:104px;
  background:var(--ink);
  color:#fff;
  border-radius:var(--r-card);
  padding:30px 28px;
  box-shadow:0 16px 40px rgba(18,20,23,.24);
}
.sticky-card h3{color:#fff;font-size:1.2rem;margin-bottom:8px;}
.sticky-card .sticky-sub{color:rgba(255,255,255,.62);font-size:.9rem;margin-bottom:20px;}
.sticky-list{list-style:none;padding:0;margin:0 0 24px;}
.sticky-list li{
  padding:13px 0;
  border-bottom:1px solid rgba(255,255,255,.12);
  font-size:.94rem;
  color:rgba(255,255,255,.86);
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.sticky-list li:last-child{border-bottom:0;}
.sticky-list li i{color:var(--orange);margin-top:5px;font-size:.8rem;}
.sticky-card .btn-x{width:100%;justify-content:center;}

/* ---------- 设备差异 ---------- */
.device-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px;}
.device-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.device-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.device-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.device-body{padding:28px;}
.device-body h3{margin-bottom:12px;}
.device-body p{color:var(--muted);font-size:.98rem;}
.device-list{list-style:none;padding:0;margin:0;}
.device-list li{
  position:relative;
  padding-left:24px;
  margin-bottom:10px;
  font-size:.95rem;
  color:var(--ink);
}
.device-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:10px;height:10px;
  border-radius:3px;
  background:var(--teal);
  opacity:.8;
}

/* ---------- 排查顺序 ---------- */
.order-wrap{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:40px;
  box-shadow:var(--shadow);
}
.order-list{list-style:none;counter-reset:od;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:20px 32px;}
.order-list li{
  counter-increment:od;
  position:relative;
  padding-left:54px;
  min-height:40px;
}
.order-list li::before{
  content:counter(od,decimal-leading-zero);
  position:absolute;
  left:0;top:0;
  width:38px;height:38px;
  border-radius:10px;
  background:var(--orange-soft);
  color:#B4430F;
  font-weight:700;
  font-size:.9rem;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.order-list li strong{display:block;font-size:1rem;margin-bottom:4px;}
.order-list li span{color:var(--muted);font-size:.92rem;}
.safe-strip{
  margin-top:36px;
  background:var(--teal-soft);
  border-left:4px solid var(--teal);
  border-radius:0 var(--r-card) var(--r-card) 0;
  padding:22px 26px;
  display:flex;
  gap:16px;
  align-items:flex-start;
}
.safe-strip i{color:var(--teal);font-size:1.2rem;margin-top:4px;}
.safe-strip p{margin:0;font-size:.96rem;color:#17514E;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item.is-open{box-shadow:var(--shadow);border-color:#EFD4C4;}
.faq-q{
  width:100%;
  text-align:left;
  background:none;
  border:0;
  padding:22px 60px 22px 24px;
  font-size:1.04rem;
  font-weight:600;
  color:var(--ink);
  position:relative;
  cursor:pointer;
  line-height:1.6;
}
.faq-q::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  right:24px;
  top:50%;
  transform:translateY(-50%);
  color:var(--orange);
  font-size:.85rem;
  transition:transform .3s ease;
}
.faq-item.is-open .faq-q::after{transform:translateY(-50%) rotate(45deg);}
.faq-item.is-open .faq-q{color:var(--orange);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 24px 22px;margin:0;color:var(--muted);font-size:.97rem;border-top:1px solid var(--line);padding-top:18px;}

/* ---------- 底部 CTA ---------- */
.cta-block{
  background:var(--ink);
  border-radius:20px;
  padding:56px 48px;
  color:#fff;
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:40px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-block::after{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:260px;height:260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,42,.3) 0%,transparent 70%);
}
.cta-block h2{color:#fff;margin-bottom:12px;}
.cta-block p{color:rgba(255,255,255,.72);margin:0;font-size:1rem;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#F2EFE8;
  border-top:1px solid var(--line);
  padding:72px 0 0;
  margin-top:96px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  font-size:1.1rem;
  font-weight:700;
  margin-bottom:14px;
  letter-spacing:-.02em;
}
.footer-brand span{color:var(--orange);margin:0 3px;}
.footer-desc{color:var(--muted);font-size:.94rem;max-width:380px;}
.footer-safe{
  color:#8A6A56;
  font-size:.85rem;
  background:var(--orange-soft);
  border-radius:10px;
  padding:14px 16px;
  margin-top:16px;
  max-width:420px;
}
.footer-col h4{font-size:1rem;margin-bottom:16px;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:var(--muted);font-size:.94rem;}
.footer-col a:hover{color:var(--orange);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:.85rem;
  color:var(--muted);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .page-hero-inner{gap:40px;}
}
@media (max-width:992px){
  .nav-side{display:none;}
  .nav-inner{grid-template-columns:1fr;justify-items:center;min-height:66px;}
  .brand{font-size:1rem;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;right:8px;}
  .page-hero-inner{grid-template-columns:1fr;padding:64px 0 60px;}
  .hero-figure{max-width:560px;}
  .flow-layout{grid-template-columns:1fr;gap:32px;}
  .sticky-card{position:static;}
  .section{padding:72px 0;}
  .cta-block{grid-template-columns:1fr;padding:44px 32px;}
}
@media (max-width:768px){
  .grid-2,.device-grid{grid-template-columns:1fr;}
  .order-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{font-size:1.05rem;}
}
@media (max-width:576px){
  .container-x{padding-left:18px;padding-right:18px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .page-hero-inner{padding:52px 0 48px;}
  .timeline{padding-left:56px;}
  .tl-num{left:-56px;width:40px;height:40px;font-size:.92rem;}
  .timeline::before{left:19px;}
  .tl-body{padding:22px 20px;}
  .order-wrap{padding:26px 20px;}
  .footer-grid{grid-template-columns:1fr;}
  .card-x,.check-card{padding:22px;}
  .cta-block{padding:34px 22px;border-radius:16px;}
  .btn-x{width:100%;justify-content:center;}
  .hero-actions{flex-direction:column;}
  .site-footer{margin-top:64px;padding-top:52px;}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --orange:#FF6A2A;
  --orange-dark:#E4551A;
  --teal:#1F6F6B;
  --teal-soft:#E7F0EF;
  --ink:#121417;
  --bg:#F7F5F0;
  --bg-soft:#F1EEE7;
  --card:#FFFFFF;
  --border:#E5E1D8;
  --muted:#6B6F73;
  --danger:#C9432F;
  --danger-soft:#FBEDEA;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow:0 8px 24px rgba(18,20,23,.08);
  --shadow-lg:0 12px 32px rgba(18,20,23,.12);
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:1rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--teal);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--orange);}
button{font:inherit;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{letter-spacing:-.02em;line-height:1.25;font-weight:700;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:4px;}

.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- top bar ---------- */
.topbar{background:var(--ink);color:#EDEAE3;font-size:.8125rem;}
.topbar .container-x{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;}
.topbar a{color:#FFD9C6;font-weight:500;}
.topbar a:hover{color:var(--orange);}
.topbar .dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--orange);margin-right:8px;vertical-align:middle;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,245,240,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(18,20,23,.08);}
.nav-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;
  min-height:74px;position:relative;
}
.nav-side{display:flex;align-items:center;gap:30px;list-style:none;}
.nav-side--left{justify-content:flex-end;}
.nav-side--right{justify-content:flex-start;}
.nav-side a{
  position:relative;color:var(--ink);font-size:.9375rem;font-weight:500;
  padding:6px 2px;display:inline-block;
}
.nav-side a::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;
  background:var(--orange);transform:scaleX(0);transform-origin:center;
  transition:transform .25s ease;
}
.nav-side a:hover::after,
.nav-side a.is-active::after{transform:scaleX(1);}
.nav-side a.is-active{color:var(--orange);font-weight:600;}
.brand{
  font-size:1.0625rem;font-weight:700;color:var(--ink);white-space:nowrap;
  justify-self:center;letter-spacing:-.02em;
}
.brand:hover{color:var(--ink);}
.brand span{color:var(--orange);margin:0 3px;}
.nav-toggle{
  display:none;position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:42px;height:42px;border:1px solid var(--border);border-radius:10px;
  background:#fff;color:var(--ink);cursor:pointer;align-items:center;justify-content:center;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--bg-soft);border-color:#D9D3C6;}
.mobile-menu{display:none;border-top:1px solid var(--border);background:var(--bg);}
.mobile-menu.is-open{display:block;}
.mobile-menu .container-x{display:flex;flex-direction:column;padding-top:6px;padding-bottom:10px;}
.mobile-menu a{
  padding:13px 4px;border-bottom:1px solid var(--border);
  color:var(--ink);font-size:.9375rem;font-weight:500;
}
.mobile-menu a:last-child{border-bottom:none;}
.mobile-menu a.is-active{color:var(--orange);font-weight:600;}

@media (max-width:991.98px){
  .nav-side{display:none;}
  .nav-inner{grid-template-columns:1fr;min-height:66px;justify-items:center;}
  .brand{font-size:1rem;white-space:normal;text-align:center;line-height:1.4;max-width:70%;}
  .nav-toggle{display:flex;}
}
@media (min-width:992px){
  .mobile-menu{display:none !important;}
}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink);color:#F4F1EB;isolation:isolate;}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;opacity:.6;}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(118deg,rgba(18,20,23,.94) 0%,rgba(18,20,23,.82) 42%,rgba(31,111,107,.68) 100%);
}
.hero-inner{padding-top:76px;padding-bottom:72px;}
.breadcrumb-x{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:rgba(244,241,235,.66);}
.breadcrumb-x a{color:rgba(244,241,235,.82);}
.breadcrumb-x a:hover{color:var(--orange);}
.breadcrumb-x .sep{opacity:.45;}
.breadcrumb-x .current{color:#fff;font-weight:600;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-top:22px;
  font-size:.8125rem;letter-spacing:.14em;color:var(--orange);font-weight:600;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--orange);display:inline-block;}
.page-hero h1{
  font-size:clamp(2.25rem,5vw,3.4rem);font-weight:800;color:#fff;
  margin:16px 0 20px;max-width:900px;
}
.hero-lead{
  max-width:740px;font-size:1.0625rem;line-height:1.85;
  color:rgba(244,241,235,.86);margin-bottom:26px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;padding:6px 15px;
  border-radius:var(--radius-pill);font-size:.8125rem;font-weight:500;
  background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.22);color:#fff;
}
.tag i{color:var(--orange);font-size:.75rem;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-actions .btn-line{border-color:rgba(255,255,255,.45);color:#fff;}
.hero-actions .btn-line:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}

/* ---------- buttons ---------- */
.btn-main,.btn-line{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 26px;border-radius:var(--radius-btn);
  font-size:.9375rem;font-weight:600;cursor:pointer;border:1.5px solid transparent;
  transition:transform .22s ease,background .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.btn-main{background:var(--orange);color:var(--ink);border-color:var(--orange);}
.btn-main:hover{background:var(--ink);color:var(--orange);border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.btn-main i{transition:transform .22s ease;}
.btn-main:hover i{transform:translateX(4px);}
.btn-line{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-line:hover{background:var(--bg-soft);color:var(--ink);transform:translateY(-2px);}
.btn-line i{transition:transform .22s ease;}
.btn-line:hover i{transform:translateX(4px);}

/* ---------- sections ---------- */
.sec{padding:104px 0;}
.sec--soft{background:var(--bg-soft);}
.sec--tight{padding:76px 0;}
@media (max-width:991.98px){.sec{padding:80px 0;}}
@media (max-width:767.98px){.sec{padding:60px 0;}.sec--tight{padding:52px 0;}}
.sec-head{max-width:730px;margin-bottom:48px;}
.sec-head h2{font-size:clamp(1.6rem,3vw,2.15rem);font-weight:750;margin:10px 0 14px;}
.sec-head p{color:var(--muted);font-size:1.0625rem;}
.sec-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:600;letter-spacing:.12em;color:var(--teal);
}
.sec-label::before{content:"";width:20px;height:2px;background:var(--teal);display:inline-block;}

/* ---------- split layout ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) 388px;gap:40px;align-items:start;}
@media (max-width:991.98px){.split{grid-template-columns:1fr;gap:28px;}}
.sticky-col{position:sticky;top:98px;display:grid;gap:22px;}
@media (max-width:991.98px){.sticky-col{position:static;}}

/* ---------- check list ---------- */
.check-list{list-style:none;display:grid;gap:14px;}
.check-item{
  display:grid;grid-template-columns:46px 1fr;gap:18px;
  padding:22px 24px;background:var(--card);
  border:1px solid var(--border);border-radius:var(--radius-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.check-item:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#DAD4C7;}
.check-num{
  width:46px;height:46px;border-radius:12px;
  background:var(--teal-soft);color:var(--teal);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:1.0625rem;font-variant-numeric:tabular-nums;
}
.check-item h3{font-size:1.0625rem;font-weight:700;margin-bottom:6px;}
.check-item p{color:var(--muted);font-size:.9375rem;margin:0;}

/* ---------- warning card ---------- */
.warn-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow);
}
.warn-bar{
  background:var(--danger);color:#fff;padding:12px 20px;
  font-size:.875rem;font-weight:600;display:flex;align-items:center;gap:9px;
}
.warn-body{padding:22px 22px 24px;}
.warn-body p{font-size:.9375rem;color:#3C4147;margin-bottom:16px;}
.warn-body ul{list-style:none;display:grid;gap:13px;}
.warn-body li{display:flex;gap:11px;font-size:.9375rem;color:#3C4147;line-height:1.7;}
.warn-body li i{color:var(--danger);margin-top:7px;font-size:.75rem;flex:none;}

/* ---------- tip card ---------- */
.tip-card{
  background:var(--teal);color:#fff;border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow);
}
.tip-card h3{font-size:1.0625rem;color:#fff;margin-bottom:12px;display:flex;align-items:center;gap:9px;}
.tip-card h3 i{color:var(--orange);}
.tip-card p{font-size:.9375rem;color:rgba(255,255,255,.88);margin-bottom:14px;}
.tip-card ul{list-style:none;display:grid;gap:10px;}
.tip-card li{
  font-size:.9063rem;color:rgba(255,255,255,.92);
  padding-left:16px;position:relative;line-height:1.7;
}
.tip-card li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:6px;height:6px;border-radius:50%;background:var(--orange);
}

/* ---------- hero image / media block ---------- */
.media-split{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center;}
@media (max-width:991.98px){.media-split{grid-template-columns:1fr;gap:32px;}}
.media-figure{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-lg);}
.media-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.media-badge{
  position:absolute;left:18px;bottom:18px;
  background:rgba(18,20,23,.86);color:#fff;font-size:.8125rem;font-weight:600;
  padding:8px 16px;border-radius:var(--radius-pill);
  backdrop-filter:blur(6px);
}
.flag-list{list-style:none;display:grid;gap:16px;margin-top:26px;}
.flag-list li{display:flex;gap:14px;align-items:flex-start;}
.flag-ico{
  width:34px;height:34px;flex:none;border-radius:9px;
  display:flex;align-items:center;justify-content:center;font-size:.8125rem;
}
.flag-ico--bad{background:var(--danger-soft);color:var(--danger);}
.flag-ico--good{background:var(--teal-soft);color:var(--teal);}
.flag-list strong{display:block;font-size:.9875rem;font-weight:700;margin-bottom:3px;}
.flag-list span{color:var(--muted);font-size:.9063rem;line-height:1.7;}

/* ---------- step rows ---------- */
.step-rows{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 44px;}
@media (max-width:991.98px){.step-rows{grid-template-columns:1fr;}}
.step-row{
  display:grid;grid-template-columns:60px 1fr;gap:22px;
  padding:28px 0;border-top:1px solid var(--border);
}
.step-row:nth-last-child(-n+2){border-bottom:1px solid var(--border);}
@media (max-width:991.98px){.step-row:nth-last-child(-n+2){border-bottom:none;}.step-row:last-child{border-bottom:1px solid var(--border);}}
.step-index{
  font-size:1.5rem;font-weight:800;color:var(--orange);line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;
}
.step-row h3{font-size:1.125rem;font-weight:700;margin-bottom:8px;}
.step-row p{color:var(--muted);font-size:.9375rem;margin:0;}

/* ---------- advice grid ---------- */
.advice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
@media (max-width:767.98px){.advice-grid{grid-template-columns:1fr;}}
.advice-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:26px 26px 24px;transition:transform .22s ease,box-shadow .22s ease;
}
.advice-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.advice-ico{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--teal-soft);color:var(--teal);font-size:1.0625rem;margin-bottom:16px;
}
.advice-card h3{font-size:1.0625rem;font-weight:700;margin-bottom:9px;}
.advice-card p{color:var(--muted);font-size:.9375rem;margin:0;}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:#DAD4C7;}
.faq-item.is-open{border-color:rgba(255,106,42,.45);box-shadow:var(--shadow);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;background:transparent;border:none;cursor:pointer;text-align:left;
  font-size:1.0313rem;font-weight:650;color:var(--ink);line-height:1.5;
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--orange);border-radius:0 3px 3px 0;transform:scaleY(0);transform-origin:center;
  transition:transform .25s ease;
}
.faq-item.is-open .faq-q::before{transform:scaleY(1);}
.faq-q i{
  flex:none;color:var(--muted);font-size:.875rem;
  transition:transform .3s ease,color .3s ease;
}
.faq-item.is-open .faq-q i{transform:rotate(45deg);color:var(--orange);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a-inner{padding:0 24px 22px 24px;color:var(--muted);font-size:.9375rem;line-height:1.85;}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;background:var(--ink);color:#F4F1EB;border-radius:20px;
  overflow:hidden;padding:60px 56px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;opacity:.16;
}
.cta-inner{position:relative;display:grid;grid-template-columns:1.4fr 1fr;gap:44px;align-items:center;}
@media (max-width:991.98px){.cta-inner{grid-template-columns:1fr;gap:28px;}.cta-band{padding:44px 30px;}}
.cta-band h2{font-size:clamp(1.5rem,2.8vw,2rem);color:#fff;margin-bottom:14px;}
.cta-band p{color:rgba(244,241,235,.82);font-size:.9875rem;margin-bottom:22px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-band .btn-line{border-color:rgba(255,255,255,.45);color:#fff;}
.cta-band .btn-line:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}
.cta-links{list-style:none;display:grid;gap:12px;}
.cta-links a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:16px 20px;border-radius:12px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);
  color:#fff;font-size:.9375rem;font-weight:500;
  transition:background .22s ease,border-color .22s ease,transform .22s ease;
}
.cta-links a:hover{background:rgba(255,106,42,.18);border-color:rgba(255,106,42,.55);transform:translateY(-2px);color:#fff;}
.cta-links a i{color:var(--orange);font-size:.8125rem;}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--border);padding:72px 0 0;margin-top:60px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:44px;}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:36px;}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand{font-size:1.0625rem;font-weight:700;margin-bottom:14px;}
.footer-brand span{color:var(--orange);margin:0 3px;}
.footer-desc{color:var(--muted);font-size:.9375rem;max-width:430px;line-height:1.8;}
.footer-safe{
  margin-top:18px;font-size:.8125rem;color:var(--muted);line-height:1.75;
  border-left:3px solid var(--orange);padding-left:14px;max-width:430px;
}
.footer-col h4{font-size:.9375rem;font-weight:700;margin-bottom:16px;}
.footer-col ul{list-style:none;display:grid;gap:11px;}
.footer-col a{color:var(--muted);font-size:.9375rem;}
.footer-col a:hover{color:var(--orange);}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--border);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.8125rem;color:var(--muted);
}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --orange:#FF6A2A;
  --orange-deep:#C24A12;
  --orange-soft:#FFF1E8;
  --teal:#1F6F6B;
  --teal-soft:#E7F1F0;
  --ink:#121417;
  --ink-soft:#2A2E33;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --line:#E5E1D8;
  --line-soft:#F0ECE3;
  --muted:#6B6F73;
  --danger:#C9432F;
  --danger-soft:#FBEAE5;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-sm:0 8px 24px rgba(18,20,23,.08);
  --shadow-lg:0 12px 32px rgba(18,20,23,.12);
  --container:1260px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:1rem;
  line-height:1.75;
  font-weight:400;
  letter-spacing:0;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--teal);text-decoration:none;}
a:hover{color:var(--orange-deep);}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;color:var(--ink);font-weight:700;line-height:1.25;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px;}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(247,245,240,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(18,20,23,.08);}
.navbar-custom{padding:0;}
.nav-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
  min-height:74px;
}
.nav-side{display:flex;align-items:center;gap:30px;}
.nav-side--left{grid-column:1;justify-content:flex-end;}
.nav-side--right{grid-column:3;justify-content:flex-start;}
.nav-side a{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:.95rem;
  font-weight:500;
  color:var(--ink);
  white-space:nowrap;
}
.nav-side a::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--orange);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .28s var(--ease);
}
.nav-side a:hover{color:var(--orange-deep);}
.nav-side a:hover::after,
.nav-side a.is-active::after{transform:scaleX(1);}
.nav-side a.is-active{color:var(--orange-deep);font-weight:600;}
.brand{
  grid-column:2;
  font-size:1.05rem;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--ink);
  white-space:nowrap;
  justify-self:center;
}
.brand span{color:var(--orange);margin:0 3px;font-weight:700;}
.brand:hover{color:var(--ink);}
.nav-toggle{
  display:none;
  grid-column:3;
  justify-self:end;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--card);
  color:var(--ink);
  font-size:1rem;
  cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--orange);color:var(--orange-deep);}
.mobile-menu{
  display:none;
  border-top:1px solid var(--line);
  background:var(--card);
  padding:6px 0 14px;
}
.mobile-menu.is-open{display:block;}
.mobile-menu a{
  display:block;
  padding:13px 0;
  color:var(--ink);
  font-size:.98rem;
  border-bottom:1px dashed var(--line);
}
.mobile-menu a:last-child{border-bottom:0;}
.mobile-menu a.is-active{color:var(--orange-deep);font-weight:600;}

/* ---------- Breadcrumb ---------- */
.crumb-bar{padding:22px 0 0;}
.breadcrumb-x{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.85rem;color:var(--muted);
}
.breadcrumb-x a{color:var(--muted);}
.breadcrumb-x a:hover{color:var(--orange-deep);}
.breadcrumb-x .sep{color:#BEB8AB;}
.breadcrumb-x .current{color:var(--ink);font-weight:600;}

/* ---------- Hero ---------- */
.category-hero{
  position:relative;
  overflow:hidden;
  padding:52px 0 72px;
  border-bottom:1px solid var(--line);
}
.category-hero::before{
  content:"";
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.16;
}
.category-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(247,245,240,.96) 0%,rgba(247,245,240,.82) 45%,rgba(247,245,240,.55) 100%);
}
.hero-inner{position:relative;z-index:2;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.82rem;font-weight:600;letter-spacing:.08em;
  color:var(--orange-deep);
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--orange);display:inline-block;}
.hero-grid{
  display:grid;
  grid-template-columns:1.35fr .95fr;
  gap:52px;
  align-items:start;
}
.hero-title{
  font-size:clamp(2rem,4.2vw,3.15rem);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.02em;
  margin-bottom:20px;
}
.hero-title em{font-style:normal;color:var(--orange-deep);}
.hero-lead{
  font-size:1.06rem;
  line-height:1.85;
  color:var(--ink-soft);
  max-width:640px;
  margin-bottom:26px;
}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;
}
.fact{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;
  background:rgba(255,255,255,.86);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  font-size:.85rem;
  color:var(--ink-soft);
}
.fact i{color:var(--teal);font-size:.85rem;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-media{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.hero-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.hero-media-body{padding:20px 22px 24px;}
.hero-media-body h3{font-size:1.06rem;margin-bottom:10px;}
.hero-media-body p{font-size:.9rem;color:var(--muted);line-height:1.7;margin-bottom:14px;}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:.9rem;color:var(--ink-soft);
  padding:7px 0;
  border-top:1px dashed var(--line);
}
.check-list li:first-child{border-top:0;}
.check-list i{color:var(--orange);margin-top:5px;font-size:.75rem;}

/* ---------- Buttons ---------- */
.btn-x{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 24px;
  border-radius:var(--radius-btn);
  font-size:.97rem;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-x i{font-size:.85rem;transition:transform .22s var(--ease);}
.btn-x:hover i{transform:translateX(3px);}
.btn-x--primary{background:var(--orange);color:var(--ink);box-shadow:0 8px 20px rgba(255,106,42,.24);}
.btn-x--primary:hover{background:var(--ink);color:var(--orange);transform:translateY(-2px);box-shadow:0 12px 28px rgba(18,20,23,.22);}
.btn-x--ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-x--ghost:hover{background:#EFEBE3;transform:translateY(-2px);}
.btn-x--light{background:var(--card);color:var(--ink);border-color:var(--line);}
.btn-x--light:hover{border-color:var(--orange);color:var(--orange-deep);transform:translateY(-2px);}

/* ---------- Sections ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--alt{background:#FBF9F5;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{
  font-size:clamp(1.6rem,2.6vw,2.15rem);
  font-weight:700;
  margin-bottom:16px;
}
.section-head p{color:var(--muted);font-size:1.02rem;line-height:1.8;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- Compat table ---------- */
.table-wrap{
  overflow-x:auto;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
}
table.compat{
  width:100%;
  min-width:820px;
  border-collapse:collapse;
}
table.compat thead th{
  text-align:left;
  padding:18px 20px;
  background:#F3F0E9;
  font-size:.82rem;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--muted);
  white-space:nowrap;
}
table.compat tbody td{
  padding:18px 20px;
  border-top:1px solid var(--line-soft);
  font-size:.94rem;
  color:var(--ink-soft);
  vertical-align:top;
}
table.compat tbody tr{transition:background-color .2s var(--ease);}
table.compat tbody tr:hover{background:#FFFBF6;}
table.compat td strong{color:var(--ink);font-weight:600;}
.table-note{
  margin-top:16px;
  font-size:.86rem;
  color:var(--muted);
  display:flex;gap:8px;align-items:flex-start;
}
.table-note i{color:var(--teal);margin-top:5px;}

.badge-x{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;
  border-radius:var(--radius-pill);
  font-size:.78rem;
  font-weight:600;
  background:#F0EDE5;
  color:var(--ink-soft);
  white-space:nowrap;
}
.badge-x--ok{background:var(--teal-soft);color:var(--teal);}
.badge-x--warn{background:var(--danger-soft);color:var(--danger);}
.badge-x--orange{background:var(--orange-soft);color:var(--orange-deep);}

/* ---------- Device cards ---------- */
.device-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.device-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  display:flex;flex-direction:column;
}
.device-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.device-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.device-card-body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column;}
.device-card-body h3{font-size:1.1rem;margin-bottom:10px;}
.device-card-body p{font-size:.9rem;color:var(--muted);line-height:1.75;margin-bottom:16px;}
.mini-list{margin-top:auto;}
.mini-list li{
  font-size:.86rem;
  color:var(--ink-soft);
  padding:6px 0 6px 16px;
  position:relative;
}
.mini-list li::before{
  content:"";
  position:absolute;left:0;top:14px;
  width:6px;height:6px;border-radius:50%;
  background:var(--orange);
}

/* ---------- Timeline / steps ---------- */
.steps{counter-reset:step;max-width:900px;}
.step-item{
  position:relative;
  padding:0 0 34px 68px;
  counter-increment:step;
}
.step-item::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:2px;
  width:46px;height:46px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--orange-soft);
  color:var(--orange-deep);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  font-size:.95rem;
}
.step-item::after{
  content:"";
  position:absolute;left:23px;top:56px;bottom:8px;
  width:1px;background:var(--line);
}
.step-item:last-child{padding-bottom:0;}
.step-item:last-child::after{display:none;}
.step-item h3{font-size:1.1rem;margin-bottom:8px;}
.step-item p{font-size:.95rem;color:var(--muted);line-height:1.8;}

/* ---------- Dark feature ---------- */
.dark-band{
  background:var(--ink);
  color:#EDEAE3;
  padding:96px 0;
}
.dark-band h2{color:#FFFFFF;}
.dark-band .eyebrow{color:var(--orange);}
.dark-band .eyebrow::before{background:var(--orange);}
.dark-grid{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:56px;
  align-items:center;
}
.dark-grid img{
  width:100%;
  border-radius:var(--radius-card);
  aspect-ratio:4/3;
  object-fit:cover;
}
.dark-band p{color:#B9BDC2;font-size:1rem;line-height:1.85;}
.dark-list{margin-top:26px;}
.dark-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:13px 0;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:.95rem;
  color:#E4E1DA;
}
.dark-list li:first-child{border-top:0;}
.dark-list i{color:var(--orange);margin-top:5px;font-size:.8rem;}
.metric-row{display:flex;flex-wrap:wrap;gap:32px;margin-top:34px;}
.metric strong{
  display:block;
  font-size:1.9rem;
  font-weight:800;
  color:#FFFFFF;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.metric span{font-size:.84rem;color:#9BA0A6;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item.is-open{
  border-color:#F3C9B4;
  box-shadow:inset 3px 0 0 var(--orange),var(--shadow-sm);
}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 22px;
  background:none;border:0;
  text-align:left;
  font-size:1.02rem;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--orange-deep);}
.faq-item.is-open .faq-q{color:var(--orange-deep);}
.faq-q i{font-size:.85rem;color:var(--muted);transition:transform .3s var(--ease);flex:0 0 auto;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--orange);}
.faq-panel{max-height:0;overflow:hidden;transition:max-height .35s var(--ease);}
.faq-a{
  padding:0 22px 22px;
  font-size:.95rem;
  color:var(--ink-soft);
  line-height:1.85;
}
.faq-a p+p{margin-top:12px;}

/* ---------- Notice ---------- */
.notice{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--danger-soft);
  border:1px solid #F1CFC6;
  border-left:4px solid var(--danger);
  border-radius:var(--radius-card);
  padding:22px 24px;
}
.notice i{color:var(--danger);font-size:1.15rem;margin-top:4px;}
.notice h3{font-size:1.02rem;margin-bottom:8px;color:#8E2F20;}
.notice p{font-size:.93rem;color:#6E443B;line-height:1.8;}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 96px;}
.cta-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:18px;
  padding:52px 48px;
  box-shadow:var(--shadow-sm);
  display:grid;
  grid-template-columns:1.3fr .9fr;
  gap:40px;
  align-items:center;
}
.cta-card h2{font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:14px;}
.cta-card p{color:var(--muted);font-size:1rem;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- Footer ---------- */
.site-footer{
  background:#FBF9F5;
  border-top:1px solid var(--line);
  color:var(--ink);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1fr;
  gap:44px;
  padding:68px 0 44px;
}
.footer-brand{
  font-size:1.05rem;
  font-weight:700;
  letter-spacing:-.02em;
  margin-bottom:14px;
}
.footer-brand span{color:var(--orange);margin:0 3px;}
.footer-desc{font-size:.9rem;color:var(--muted);line-height:1.8;margin-bottom:14px;max-width:420px;}
.footer-safe{
  font-size:.84rem;
  color:#8A6A5C;
  line-height:1.75;
  background:var(--orange-soft);
  border-radius:10px;
  padding:12px 14px;
  max-width:440px;
}
.footer-col h4{font-size:.95rem;margin-bottom:16px;font-weight:700;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:.89rem;color:var(--muted);}
.footer-col a:hover{color:var(--orange-deep);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);
  padding:22px 0 30px;
  font-size:.84rem;
  color:var(--muted);
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .device-grid{grid-template-columns:repeat(2,1fr);}
  .hero-grid{gap:40px;}
}
@media (max-width:991.98px){
  .nav-side{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{grid-template-columns:auto 1fr auto;min-height:66px;}
  .brand{justify-self:center;font-size:.98rem;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-lead{max-width:none;}
  .dark-grid{grid-template-columns:1fr;gap:34px;}
  .cta-card{grid-template-columns:1fr;padding:40px 30px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;padding:52px 0 36px;}
  .section{padding:72px 0;}
  .dark-band{padding:72px 0;}
}
@media (max-width:767.98px){
  .container-x{padding:0 18px;}
  .section{padding:58px 0;}
  .section--tight{padding:52px 0;}
  .dark-band{padding:58px 0;}
  .category-hero{padding:36px 0 54px;}
  .section-head{margin-bottom:34px;}
  .device-grid{grid-template-columns:1fr;}
  .step-item{padding-left:58px;}
  .step-item::before{width:40px;height:40px;font-size:.88rem;}
  .step-item::after{left:20px;top:50px;}
  .faq-q{font-size:.97rem;padding:17px 18px;}
  .faq-a{padding:0 18px 20px;}
  .cta-band{padding:0 0 62px;}
}
@media (max-width:575.98px){
  .brand{font-size:.9rem;}
  .hero-actions .btn-x{width:100%;justify-content:center;}
  .hero-facts{gap:8px;}
  .fact{font-size:.8rem;padding:7px 12px;}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-card{padding:32px 22px;border-radius:14px;}
  .metric-row{gap:22px;}
  .metric strong{font-size:1.6rem;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;}
  .reveal{opacity:1;transform:none;}
}