/* roulang page: index */
:root{
  --ink:#14161C;
  --ink-2:#1E2230;
  --primary:#FF5A36;
  --primary-dark:#E2431F;
  --accent:#23D5C3;
  --accent-soft:#E6FBF8;
  --bg:#F5F6F8;
  --surface:#FFFFFF;
  --line:#E6E8EE;
  --text:#1B1E26;
  --text-2:#5A6072;
  --text-3:#8A90A2;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-block:20px;
  --shadow-sm:0 1px 2px rgba(20,22,28,.04),0 8px 24px rgba(20,22,28,.05);
  --shadow-lg:0 12px 32px rgba(20,22,28,.12);
  --sec-y:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--text);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{max-width:1200px;padding:0 20px;margin:0 auto;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  border:1.5px solid transparent;transition:all .22s ease;white-space:nowrap;
}
.btn-x--primary{background:var(--primary);color:#fff;border-color:var(--primary);}
.btn-x--primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-1px);}
.btn-x--outline{background:transparent;color:var(--text);border-color:var(--text);}
.btn-x--outline:hover{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn-x--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.3);}
.btn-x--ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.6);}
.btn-x--sm{padding:9px 18px;font-size:14px;}

/* ---------- 徽章 ---------- */
.badge-x{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  background:var(--accent-soft);color:#0E9E90;
}
.badge-x--dark{background:rgba(35,213,195,.18);color:var(--accent);}
.badge-x--orange{background:rgba(255,90,54,.12);color:var(--primary-dark);}

/* ---------- 头部导航 ---------- */
.hdr{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
  backdrop-filter:saturate(160%) blur(8px);
}
.hdr.is-scrolled{box-shadow:0 6px 24px rgba(20,22,28,.08);}
.hdr__grid{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;position:relative;gap:16px;
}
.nav-side{display:flex;align-items:center;gap:26px;flex:1;}
.nav-side--right{justify-content:flex-end;}
.nav-side a{
  font-size:15px;font-weight:500;color:var(--text);position:relative;padding:6px 0;
}
.nav-side a::after{
  content:"";position:absolute;left:0;bottom:0;height:3px;width:0;
  background:var(--accent);border-radius:2px;transition:width .22s ease;
}
.nav-side a:hover{color:var(--primary);}
.nav-side a:hover::after{width:100%;}
.nav-side a.is-active{color:var(--primary);}
.nav-side a.is-active::before{
  content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);
  width:4px;height:16px;border-radius:2px;background:var(--primary);
}
.nav-side a.is-active::after{width:100%;background:var(--primary);}
.brand{
  display:flex;align-items:center;gap:10px;flex:0 0 auto;
  font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em;
}
.brand:hover{color:var(--ink);}
.brand__mark{
  width:30px;height:30px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--primary) 0%,#FF8A5B 55%,var(--accent) 100%);
  position:relative;overflow:hidden;
}
.brand__mark::after{
  content:"";position:absolute;inset:8px 9px;border-radius:3px;
  background:rgba(255,255,255,.92);
}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;color:var(--ink);
}
.nav-toggle svg{width:20px;height:20px;}
.mobile-nav{background:#fff;border-bottom:1px solid var(--line);}
.mobile-nav a{
  display:block;padding:15px 20px;font-size:15px;font-weight:500;
  border-bottom:1px solid var(--line);
}
.mobile-nav a:last-child{border-bottom:0;}
.mobile-nav a.is-active{color:var(--primary);border-left:4px solid var(--primary);}
.mobile-nav .mobile-post{padding:14px 20px 20px;}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;background:var(--ink);color:#fff;overflow:hidden;
  padding:92px 0 96px;
}
.hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.32;
}
.hero__mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,22,28,.94) 0%,rgba(20,22,28,.78) 48%,rgba(30,34,48,.66) 100%);
}
.hero__dots{
  position:absolute;inset:0;opacity:.5;
  background-image:radial-gradient(rgba(35,213,195,.35) 1px,transparent 1px);
  background-size:22px 22px;
  mask-image:linear-gradient(120deg,rgba(0,0,0,.9),transparent 68%);
  -webkit-mask-image:linear-gradient(120deg,rgba(0,0,0,.9),transparent 68%);
}
.hero .container{position:relative;z-index:2;}
.hero__grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--accent);background:rgba(35,213,195,.12);
  border:1px solid rgba(35,213,195,.3);
  padding:5px 12px;border-radius:999px;margin-bottom:22px;
}
.hero h1{
  font-size:clamp(26px,4vw,42px);font-weight:800;line-height:1.25;color:#fff;
  margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--accent);}
.hero__sub{
  font-size:17px;line-height:1.85;color:rgba(255,255,255,.78);
  max-width:560px;margin-bottom:30px;
}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.trust{display:flex;flex-wrap:wrap;gap:10px;}
.trust span{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;color:rgba(255,255,255,.75);
  border:1px solid rgba(255,255,255,.16);
  padding:6px 12px;border-radius:999px;
}
.trust i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}

.panel{
  background:var(--ink-2);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-block);
  padding:26px;box-shadow:0 24px 60px rgba(0,0,0,.35);
}
.panel__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.panel__title{font-size:15px;font-weight:700;color:#fff;letter-spacing:.02em;}
.panel__list{border-top:1px solid rgba(255,255,255,.1);}
.panel__row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:14px;
}
.panel__row span:first-child{color:rgba(255,255,255,.6);}
.panel__row span:last-child{color:#fff;font-weight:600;display:inline-flex;align-items:center;gap:7px;}
.panel__dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(35,213,195,.16);}
.bar{height:6px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden;margin:20px 0 18px;}
.bar i{display:block;height:100%;width:72%;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--primary));}
.panel__note{font-size:13px;color:rgba(255,255,255,.55);line-height:1.7;margin-bottom:18px;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-y) 0;}
.section--muted{background:var(--bg);}
.section--white{background:#fff;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;}
.sec-head__title{font-size:clamp(22px,2.6vw,30px);font-weight:700;}
.sec-head__desc{font-size:15px;color:var(--text-2);margin-top:10px;max-width:640px;}
.sec-head__line{width:56px;height:3px;background:var(--primary);border-radius:2px;margin-bottom:16px;}

/* ---------- Bento 服务 ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:20px;}
.bento__card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-sm);transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;gap:12px;
}
.bento__card:hover{border-color:rgba(255,90,54,.45);transform:translateY(-3px);box-shadow:var(--shadow-lg);}
.bento__card--wide{grid-column:span 8;flex-direction:row;align-items:center;gap:26px;}
.bento__card--wide .bento__text{flex:1 1 auto;}
.bento__card--wide .bento__media{
  flex:0 0 300px;border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/10;background:var(--accent-soft);
}
.bento__card--wide .bento__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.bento__card--wide:hover .bento__media img{transform:scale(1.04);}
.bento__card--tall{grid-column:span 4;grid-row:span 2;}
.bento__card--half{grid-column:span 4;}
.bento__card--third{grid-column:span 4;}
.bento__icon{
  width:44px;height:44px;border-radius:12px;background:var(--accent-soft);
  display:flex;align-items:center;justify-content:center;color:#0E9E90;flex:0 0 auto;
}
.bento__icon svg{width:22px;height:22px;}
.bento__card h3{font-size:18px;font-weight:600;}
.bento__card p{font-size:15px;color:var(--text-2);line-height:1.75;}

/* ---------- 数据条 ---------- */
.stats{background:var(--ink);padding:64px 0;color:#fff;}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:0 24px;border-left:1px solid rgba(255,255,255,.1);}
.stat:first-child{border-left:0;padding-left:0;}
.stat__num{font-size:clamp(30px,3.4vw,42px);font-weight:800;color:#fff;line-height:1.1;}
.stat__num em{font-style:normal;color:var(--accent);font-size:.6em;margin-left:4px;font-weight:700;}
.stat__label{font-size:14px;color:rgba(255,255,255,.7);margin-top:10px;}

/* ---------- 案例交替图文 ---------- */
.case-row{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  padding:32px 0;border-bottom:1px solid var(--line);
}
.case-row:last-child{border-bottom:0;}
.case-row--rev .case-row__media{order:2;}
.case-row__media{
  border-radius:var(--radius-card);overflow:hidden;aspect-ratio:16/10;background:var(--accent-soft);
}
.case-row__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.case-row:hover .case-row__media img{transform:scale(1.04);}
.case-row__body h3{font-size:20px;font-weight:600;margin:14px 0 12px;}
.case-row__body p{font-size:15px;color:var(--text-2);line-height:1.8;}
.case-row__body ul{margin-top:16px;display:flex;flex-direction:column;gap:8px;}
.case-row__body li{
  font-size:14px;color:var(--text-2);padding-left:18px;position:relative;
}
.case-row__body li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;
  background:var(--accent);transform:rotate(45deg);
}

/* ---------- 方案横向列表 ---------- */
.plan-list{border-top:1px solid var(--line);}
.plan{
  display:grid;grid-template-columns:260px 1fr auto;gap:28px;align-items:center;
  padding:26px 20px;border-bottom:1px solid var(--line);
  position:relative;transition:background .25s ease;
}
.plan::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;
  background:var(--primary);opacity:0;transition:opacity .25s ease;
}
.plan:hover{background:var(--bg);}
.plan:hover::before{opacity:1;}
.plan__title{font-size:20px;font-weight:600;}
.plan__points{display:flex;flex-wrap:wrap;gap:10px 22px;}
.plan__points span{font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:7px;}
.plan__points span::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;
}

/* ---------- 内容卡片 ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card-x{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card-x:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(35,213,195,.5);}
.card-x__cover{aspect-ratio:16/10;overflow:hidden;background:var(--accent-soft);}
.card-x__cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card-x:hover .card-x__cover img{transform:scale(1.04);}
.card-x__ph{
  width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  background:
    radial-gradient(circle at 30% 30%,rgba(35,213,195,.4) 0 8px,transparent 9px),
    radial-gradient(circle at 70% 65%,rgba(255,90,54,.35) 0 10px,transparent 11px),
    var(--accent-soft);
}
.card-x__body{padding:20px 22px 18px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.card-x__title{font-size:18px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-x:hover .card-x__title{color:var(--primary);}
.card-x__desc{font-size:15px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-x__meta{
  margin-top:auto;padding-top:13px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.card-x__meta .more{font-weight:600;color:var(--text-2);}
.card-x:hover .card-x__meta .more{color:var(--primary);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:52px 24px;border:1px dashed var(--line);
  border-radius:var(--radius-card);background:#fff;color:var(--text-2);font-size:15px;
}
.empty-state svg{width:34px;height:34px;color:var(--accent);margin-bottom:12px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq .accordion-item{
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:#fff;margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-sm);
}
.faq .accordion-button{
  background:#fff;color:var(--text);font-size:17px;font-weight:600;
  padding:20px 22px;box-shadow:none;border:0;position:relative;
}
.faq .accordion-button:not(.collapsed){color:var(--ink);background:#fff;box-shadow:none;}
.faq .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--primary);border-radius:0 2px 2px 0;
}
.faq .accordion-button::after{
  width:16px;height:16px;background-size:16px;
  filter:invert(45%) sepia(6%) saturate(800%) hue-rotate(180deg);
}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--accent);outline-offset:-3px;}
.faq .accordion-body{
  background:var(--bg);font-size:16px;line-height:1.85;color:var(--text-2);
  padding:18px 22px 22px;border-top:1px solid var(--line);
}

/* ---------- 联系 ---------- */
.contact{background:var(--ink);color:#fff;padding:var(--sec-y) 0;}
.contact__grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.contact h2{font-size:clamp(22px,2.6vw,30px);color:#fff;margin-bottom:16px;}
.contact p{font-size:15px;color:rgba(255,255,255,.72);line-height:1.85;}
.contact__info{margin-top:28px;display:flex;flex-direction:column;gap:14px;}
.contact__info li{
  display:flex;align-items:flex-start;gap:12px;font-size:14px;color:rgba(255,255,255,.72);
}
.contact__info svg{width:18px;height:18px;color:var(--accent);flex:0 0 auto;margin-top:4px;}
.form-card{
  background:#fff;border-radius:var(--radius-block);padding:28px;
  box-shadow:0 24px 60px rgba(0,0,0,.3);
}
.form-card h3{font-size:18px;font-weight:700;margin-bottom:6px;}
.form-card .form-tip{font-size:13px;color:var(--text-3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-btn);
  padding:12px 14px;font-size:15px;color:var(--text);background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input,.field select{height:46px;}
.field textarea{min-height:140px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(35,213,195,.18);
}
.field .err{display:none;font-size:13px;color:var(--primary);margin-top:6px;}
.form-card .btn-x{width:100%;}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:#fff;padding:64px 0 0;}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer__brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer p{font-size:14px;color:rgba(255,255,255,.62);line-height:1.85;}
.footer h4{
  font-size:14px;font-weight:600;color:var(--accent);letter-spacing:.04em;margin-bottom:18px;
}
.footer__links{display:flex;flex-direction:column;gap:11px;}
.footer__links a{font-size:15px;color:rgba(255,255,255,.8);}
.footer__links a:hover{color:var(--accent);}
.footer__bottom{
  margin-top:52px;padding:20px 0;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.6);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .bento__card--wide{grid-column:span 12;}
  .bento__card--tall{grid-column:span 6;grid-row:span 1;}
  .bento__card--half,.bento__card--third{grid-column:span 6;}
}
@media (max-width:991px){
  :root{--sec-y:64px;}
  .nav-side{display:none;}
  .nav-toggle{display:inline-flex;position:absolute;right:20px;top:50%;transform:translateY(-50%);}
  .brand{flex:1;justify-content:center;}
  .hero{padding:64px 0 68px;}
  .hero__grid{grid-template-columns:1fr;gap:40px;}
  .panel{max-width:560px;}
  .stats__grid{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .stat:nth-child(3){border-left:0;padding-left:0;}
  .case-row{grid-template-columns:1fr;gap:24px;}
  .case-row--rev .case-row__media{order:0;}
  .plan{grid-template-columns:1fr;gap:14px;align-items:flex-start;}
  .plan .btn-x{justify-self:start;}
  .cards{grid-template-columns:repeat(2,1fr);}
  .contact__grid{grid-template-columns:1fr;gap:36px;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575px){
  :root{--sec-y:48px;}
  .container{padding:0 16px;}
  .hdr__grid{height:64px;}
  .brand{font-size:16px;}
  .brand__mark{width:26px;height:26px;}
  .hero h1{font-size:26px;}
  .hero__sub{font-size:16px;}
  .hero__cta{flex-direction:column;align-items:stretch;}
  .hero__cta .btn-x{width:100%;}
  .bento__card--wide{flex-direction:column;align-items:flex-start;}
  .bento__card--wide .bento__media{flex:1 1 auto;width:100%;}
  .bento__card--tall,.bento__card--half,.bento__card--third{grid-column:span 12;}
  .stats__grid{grid-template-columns:1fr 1fr;}
  .stat{padding:0 16px;}
  .stat__label{font-size:13px;}
  .cards{grid-template-columns:1fr;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px;}
  .footer__grid{grid-template-columns:1fr;}
  .footer__bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
  --ink:#14161C;
  --ink-2:#1E2230;
  --primary:#FF5A36;
  --primary-dark:#E2431F;
  --accent:#23D5C3;
  --accent-deep:#0E9C8E;
  --accent-soft:#E6FBF8;
  --bg:#F5F6F8;
  --surface:#FFFFFF;
  --line:#E6E8EE;
  --text:#1B1E26;
  --text-2:#5A6072;
  --text-3:#8A90A2;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-lg:20px;
  --sh-1:0 1px 2px rgba(20,22,28,.04), 0 8px 24px rgba(20,22,28,.05);
  --sh-2:0 12px 32px rgba(20,22,28,.12);
  --sec:88px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--text);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary)}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text)}
h1{font-size:clamp(26px,4vw,42px);font-weight:800;line-height:1.25}
h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3}
h3{font-size:20px;font-weight:600;line-height:1.4}
p{margin:0}
button,input,textarea,select{font:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
ul,ol{padding-left:1.2em}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.section{padding:var(--sec) 0}
.section--related{background:var(--bg);border-top:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{margin:0}
.section-head p{color:var(--text-2);font-size:15px;margin-top:8px}
.link-more{font-size:15px;font-weight:600;color:var(--primary);border-bottom:2px solid transparent;transition:border-color .2s ease,color .2s ease}
.link-more:hover{border-bottom-color:var(--primary)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease,background .25s ease;
}
.site-header.is-stuck{background:#fff;border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(20,22,28,.08)}
.nav-wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;height:72px}
.nav-side{display:flex;align-items:center;gap:26px}
.nav-side--right{justify-content:flex-end}
.nav-side a{position:relative;font-size:15px;font-weight:500;color:var(--text);padding:6px 0;white-space:nowrap}
.nav-side a::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:0;border-radius:2px;background:var(--accent);transition:width .25s ease}
.nav-side a:hover::after{width:100%}
.nav-side a.is-active{color:var(--primary)}
.nav-side a.is-active::before{content:"";position:absolute;left:-11px;top:50%;transform:translateY(-50%);width:4px;height:16px;border-radius:2px;background:var(--primary)}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:.01em;color:var(--text);white-space:nowrap}
.brand:hover{color:var(--text)}
.brand__mark{width:16px;height:16px;border-radius:3px;background:var(--primary);transform:rotate(45deg);display:inline-block;flex:0 0 auto}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:16px}
.nav-toggle{
  display:none;width:44px;height:44px;padding:0;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);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-panel{display:none;background:#fff;border-top:1px solid var(--line)}
.mobile-panel.is-open{display:block;animation:panelIn .2s ease both}
@keyframes panelIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.mobile-panel a{display:block;line-height:52px;font-size:16px;border-bottom:1px solid var(--line)}
.mobile-panel a:last-child{border-bottom:none}
.mobile-panel a:hover{color:var(--primary);background:var(--bg)}

/* ---------- 文章头部 ---------- */
.article-head{background:var(--bg);border-bottom:1px solid var(--line);padding:36px 0 34px}
.breadcrumb-x{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:18px}
.breadcrumb-x a{color:var(--text-3)}
.breadcrumb-x a:hover{color:var(--primary)}
.breadcrumb-x .sep{color:#C7CBD6}
.breadcrumb-x .current{color:var(--text);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head h1{max-width:940px;margin-bottom:18px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:var(--text-3)}
.meta-dot{width:3px;height:3px;border-radius:50%;background:#C7CBD6;display:inline-block}
.badge-tag{
  display:inline-block;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;
  letter-spacing:.04em;background:var(--accent-soft);color:var(--accent-deep);
}

/* ---------- 正文 ---------- */
.article-body-wrap{background:var(--surface);padding:56px 0 76px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:56px;max-width:1080px;margin:0 auto;align-items:start}
.article-body{max-width:760px;font-size:17px;line-height:1.9;color:var(--text);word-wrap:break-word}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.35;
  margin:1.9em 0 .85em;padding-left:14px;border-left:4px solid var(--accent);
}
.article-body h3{font-size:20px;font-weight:600;margin:1.6em 0 .6em}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.3em}
.article-body li{margin-bottom:.5em;line-height:1.9}
.article-body li::marker{color:var(--accent)}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(255,90,54,.35)}
.article-body a:hover{color:var(--primary-dark);border-bottom-color:var(--primary-dark)}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;border-left:4px solid var(--primary);
  background:var(--bg);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:1.4em auto;box-shadow:var(--sh-1)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.2em 0}
.article-body code{background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:15px}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--bg);font-weight:600}

.article-toc{position:sticky;top:96px;border-left:1px solid var(--line);padding-left:18px}
.article-toc__title{font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--text-3);margin-bottom:14px}
.article-toc ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.article-toc a{display:block;font-size:14px;line-height:1.55;color:var(--text-2)}
.article-toc a:hover,.article-toc a.is-current{color:var(--primary)}

.empty-state{text-align:center;padding:64px 24px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg)}
.empty-state__icon{width:46px;height:46px;margin:0 auto 18px;border-radius:12px;background:var(--accent-soft);border:1px solid rgba(35,213,195,.45);position:relative}
.empty-state__icon::after{content:"";position:absolute;left:50%;top:50%;width:20px;height:2px;background:var(--accent-deep);transform:translate(-50%,-50%) rotate(-45deg);border-radius:2px}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--text-2);margin-bottom:22px}

/* ---------- 卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);color:var(--text);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(255,90,54,.4);color:var(--text)}
.post-card__media{aspect-ratio:16/10;overflow:hidden;background:var(--accent-soft)}
.post-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.post-card:hover .post-card__media img{transform:scale(1.04)}
.post-card__body{padding:20px 22px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card__body h3{
  font-size:18px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.post-card:hover .post-card__body h3{color:var(--primary)}
.post-card__body p{
  font-size:15px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0;
}
.post-card__foot{
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.post-card__foot .read-more{color:var(--primary);font-weight:600}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;text-decoration:none;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn--primary{background:var(--primary);color:#fff}
.btn--primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px)}
.btn--secondary{background:transparent;border-color:var(--text);color:var(--text)}
.btn--secondary:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.3);color:#fff}
.btn--ghost:hover{background:#fff;border-color:#fff;color:var(--ink)}

/* ---------- CTA 深色带 ---------- */
.cta-band{background:var(--ink);color:#fff;padding:72px 0}
.cta-band h2{color:#fff;margin-bottom:12px}
.cta-band__inner{display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap}
.cta-band__inner p{color:rgba(255,255,255,.72);font-size:15px;max-width:560px;margin:0}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:rgba(255,255,255,.8);padding:64px 0 28px}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer__brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:14px}
.footer h4{font-size:14px;font-weight:600;color:var(--accent);letter-spacing:.04em;margin-bottom:16px}
.footer__links{display:flex;flex-direction:column;gap:10px}
.footer__links a{font-size:15px;color:rgba(255,255,255,.8)}
.footer__links a:hover{color:#fff}
.footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.65)}
.footer__bottom{
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr);max-width:760px;gap:0}
  .article-toc{display:none}
}
@media (max-width:991.98px){
  :root{--sec:64px}
  .nav-wrap{height:64px;grid-template-columns:1fr auto 1fr}
  .nav-side{display:none}
  .nav-toggle{display:inline-flex}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{padding:56px 0}
  .article-body-wrap{padding:44px 0 60px}
}
@media (max-width:575.98px){
  :root{--sec:48px}
  .container{padding-left:16px;padding-right:16px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .article-head{padding:28px 0 26px}
  .article-body{font-size:17px}
  .cta-band__actions .btn{width:100%}
  .footer__bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --ink:#14161C;--ink-2:#1E2230;
  --primary:#FF5A36;--primary-dark:#E2431F;
  --accent:#23D5C3;--accent-soft:#E6FBF8;
  --bg:#F5F6F8;--surface:#FFFFFF;--line:#E6E8EE;
  --text:#1B1E26;--text-2:#5A6072;--text-3:#8A90A2;
  --r-card:14px;--r-btn:10px;--r-img:12px;--r-block:20px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(20,22,28,.04),0 8px 24px rgba(20,22,28,.05);
  --sh-2:0 12px 32px rgba(20,22,28,.12);
  --sp:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.85}
img{display:block;max-width:100%}
a{color:var(--text);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary)}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--text)}
p{margin:0 0 12px}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid transparent;transition:box-shadow .25s ease,border-color .25s ease}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 22px rgba(20,22,28,.07)}
.header__inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;height:72px}
.header__side{display:flex;align-items:center;min-width:0}
.header__side--right{justify-content:flex-end;gap:12px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--text);white-space:nowrap}
.brand:hover{color:var(--text)}
.brand__mark{position:relative;flex:0 0 auto;width:22px;height:22px;border-radius:6px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));box-shadow:0 4px 12px rgba(255,90,54,.34)}
.brand__mark::after{content:"";position:absolute;right:-4px;bottom:-4px;width:10px;height:10px;border-radius:3px;background:var(--accent)}
.nav-side{display:flex;align-items:center;gap:24px}
.nav-side a{position:relative;padding:4px 0;font-size:15px;font-weight:500;color:var(--text-2)}
.nav-side a::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:3px;border-radius:2px;background:var(--accent);transition:width .25s ease}
.nav-side a:hover{color:var(--text)}
.nav-side a:hover::after{width:100%}
.nav-side a.is-active{color:var(--primary);font-weight:600}
.nav-side a.is-active::before{content:"";position:absolute;left:-12px;top:50%;width:4px;height:16px;transform:translateY(-50%);border-radius:2px;background:var(--primary)}
.nav-side a.is-active::after{width:0}
.nav-toggle{display:none;position:relative;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;transition:border-color .2s ease}
.nav-toggle:hover{border-color:rgba(255,90,54,.45)}
.nav-toggle span{position:absolute;left:11px;width:20px;height:2px;border-radius:2px;background:var(--text);transition:.25s ease}
.nav-toggle span:nth-child(1){top:14px}
.nav-toggle span:nth-child(2){top:20px}
.nav-toggle span:nth-child(3){top:26px}
.nav-toggle.is-open span:nth-child(1){top:20px;transform:rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){top:20px;transform:rotate(-45deg)}
.mobile-panel{display:none;max-height:0;overflow:hidden;background:#fff;transition:max-height .2s ease}
.mobile-panel.is-open{max-height:460px;border-top:1px solid var(--line)}
.mobile-panel a{display:flex;align-items:center;height:52px;padding:0 20px;border-bottom:1px solid var(--line);font-size:15px;color:var(--text-2)}
.mobile-panel a.is-active{color:var(--primary);font-weight:600;background:var(--accent-soft)}

/* ---------- 按钮 ---------- */
.btn-main,.btn-line,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1;transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease}
.btn-main{padding:14px 26px;background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(255,90,54,.28)}
.btn-main:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px)}
.btn-line{padding:13px 24px;border:1.5px solid var(--text);color:var(--text);background:transparent}
.btn-line:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-ghost{padding:13px 24px;border:1.5px solid rgba(255,255,255,.34);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.6)}

/* ---------- 页头 ---------- */
.page-head{position:relative;overflow:hidden;background:var(--bg);border-bottom:1px solid var(--line)}
.page-head::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(20,22,28,.07) 1px,transparent 1px);background-size:16px 16px;pointer-events:none}
.page-head__grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:54px 0 58px}
.crumb{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;font-size:14px;color:var(--text-3)}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--primary)}
.crumb .is-current{color:var(--text)}
.page-head h1{font-size:clamp(26px,4vw,42px);font-weight:800;line-height:1.25}
.lead{max-width:580px;margin:16px 0 26px;font-size:17px;color:var(--text-2)}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.trust{display:flex;flex-wrap:wrap;gap:10px}
.badge-x{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-pill);background:var(--accent-soft);color:#0F7268;font-size:12px;font-weight:600;letter-spacing:.04em}
.page-head__media{overflow:hidden;border:1px solid var(--line);border-radius:var(--r-block);box-shadow:var(--sh-1);aspect-ratio:16/10}
.page-head__media img{width:100%;height:100%;object-fit:cover}

/* ---------- 板块通用 ---------- */
.sec{padding:var(--sp) 0}
.sec--surface{background:var(--surface)}
.sec-title{margin-bottom:34px;max-width:760px}
.sec-title h2{font-size:clamp(22px,2.6vw,30px)}
.sec-title h2::before{content:"";display:inline-block;width:4px;height:22px;margin-right:12px;border-radius:2px;background:var(--accent);vertical-align:-3px}
.sec-title p{margin:10px 0 0;font-size:15px;color:var(--text-2)}

/* ---------- 准备区 ---------- */
.prep{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.prep__big{grid-column:span 2;display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center;padding:24px}
.prep__card{display:block;padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.prep__card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(255,90,54,.4)}
.prep__card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.prep__card p{margin:0;font-size:15px;color:var(--text-2);line-height:1.75}
.prep__media{overflow:hidden;border-radius:var(--r-img);aspect-ratio:16/10;background:var(--accent-soft)}
.prep__media img{width:100%;height:100%;object-fit:cover}
.prep__icon{display:inline-flex;width:40px;height:40px;margin-bottom:14px;align-items:center;justify-content:center;border-radius:11px;background:var(--accent-soft);color:var(--accent)}
.prep__icon svg{width:22px;height:22px}

/* ---------- 时间线 ---------- */
.timeline{position:relative;max-width:860px;margin:0}
.timeline::before{content:"";position:absolute;left:20px;top:10px;bottom:10px;width:1px;background:var(--line)}
.timeline__item{position:relative;padding-left:74px;margin-bottom:22px}
.timeline__item:last-child{margin-bottom:0}
.timeline__num{position:absolute;left:0;top:0;display:flex;width:40px;height:40px;align-items:center;justify-content:center;border-radius:50%;background:var(--accent);color:#08312C;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;box-shadow:0 6px 16px rgba(35,213,195,.32)}
.timeline__card{padding:22px 24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);transition:border-color .25s ease,box-shadow .25s ease}
.timeline__card:hover{border-color:rgba(35,213,195,.55);box-shadow:var(--sh-1)}
.timeline__card h3{font-size:19px;font-weight:600;margin-bottom:8px}
.timeline__card p{margin:0 0 10px;font-size:15px;color:var(--text-2)}
.dot-list{display:flex;flex-direction:column;gap:6px}
.dot-list li{position:relative;padding-left:18px;font-size:14px;color:var(--text-3)}
.dot-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ---------- 数据带 ---------- */
.stat-band{position:relative;overflow:hidden;background:var(--ink);padding:64px 0}
.stat-band__bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-2.png) center/cover no-repeat;opacity:.2}
.stat-band__mask{position:absolute;inset:0;background:linear-gradient(95deg,rgba(20,22,28,.94) 20%,rgba(20,22,28,.72) 100%)}
.stat-band .container{position:relative;z-index:2}
.stat-band__head{margin-bottom:36px}
.stat-band__head h2{color:#fff;font-size:clamp(22px,2.6vw,30px)}
.stat-band__head p{margin:10px 0 0;color:rgba(255,255,255,.7);font-size:15px}
.stats{display:grid;grid-template-columns:repeat(4,1fr)}
.stats__item{padding:6px 26px;border-left:1px solid rgba(255,255,255,.1)}
.stats__item:first-child{border-left:0;padding-left:0}
.stats__num{font-size:clamp(30px,3.6vw,44px);font-weight:800;line-height:1.1;color:#fff;font-variant-numeric:tabular-nums}
.stats__num em{font-style:normal;color:var(--accent)}
.stats__label{margin-top:8px;font-size:14px;color:rgba(255,255,255,.7)}

/* ---------- 行式列表 ---------- */
.rowlist{border-top:1px solid var(--line)}
.rowlist__item{position:relative;display:grid;grid-template-columns:230px 1fr auto;gap:24px;align-items:center;padding:22px 20px;border-bottom:1px solid var(--line);transition:background .2s ease}
.rowlist__item::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;background:var(--primary);transform:scaleY(0);transition:transform .2s ease}
.rowlist__item:hover{background:var(--surface)}
.rowlist__item:hover::before{transform:scaleY(1)}
.rowlist__title{font-size:18px;font-weight:600}
.rowlist__points{display:flex;flex-wrap:wrap;gap:8px}
.tag-x{display:inline-flex;padding:4px 10px;border-radius:var(--r-pill);background:var(--bg);color:var(--text-2);font-size:12px;font-weight:600;letter-spacing:.04em}
.rowlist__go{font-size:14px;font-weight:600;color:var(--primary);white-space:nowrap}
.rowlist__go:hover{color:var(--primary-dark)}

/* ---------- 排查清单 ---------- */
.fixlist{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.fixlist__item{position:relative;padding:20px 22px 20px 60px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);transition:transform .25s ease,box-shadow .25s ease}
.fixlist__item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.fixlist__num{position:absolute;left:20px;top:20px;display:flex;width:28px;height:28px;align-items:center;justify-content:center;border-radius:8px;background:var(--bg);color:var(--primary);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums}
.fixlist__item h3{font-size:17px;font-weight:600;margin-bottom:6px}
.fixlist__item p{margin:0;font-size:15px;color:var(--text-2);line-height:1.75}

/* ---------- FAQ ---------- */
.faq .accordion-item{margin-bottom:12px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.faq .accordion-button{display:flex;align-items:center;gap:14px;width:100%;padding:18px 22px;background:var(--surface);color:var(--text);font-size:17px;font-weight:600;box-shadow:none;transition:color .2s ease,box-shadow .2s ease}
.faq .accordion-button:not(.collapsed){color:var(--ink);box-shadow:inset 3px 0 0 var(--primary)}
.faq .accordion-button:focus{box-shadow:inset 3px 0 0 var(--primary)}
.faq .accordion-button::after{content:"";flex:0 0 auto;width:10px;height:10px;margin-left:auto;border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);background:none;transform:rotate(45deg);transition:transform .25s ease,border-color .25s ease}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--primary)}
.faq .accordion-body{padding:0 22px 20px;background:var(--bg);color:var(--text-2);font-size:16px;line-height:1.85}
.faq .accordion-body p:last-child{margin-bottom:0}

/* ---------- 卡片 ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card-x{display:flex;flex-direction:column;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.card-x:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(35,213,195,.5)}
.card-x__media{overflow:hidden;aspect-ratio:16/10;background:var(--accent-soft)}
.card-x__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card-x:hover .card-x__media img{transform:scale(1.04)}
.card-x__body{display:flex;flex:1;flex-direction:column;padding:20px}
.card-x h3{font-size:18px;font-weight:600;line-height:1.45;transition:color .2s ease;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-x:hover h3{color:var(--primary)}
.card-x p{margin:10px 0 16px;font-size:15px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-x__meta{display:flex;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}
.card-x__meta .read{color:var(--primary);font-weight:600}

/* ---------- CTA ---------- */
.cta{position:relative;display:grid;grid-template-columns:1.25fr .75fr;gap:32px;align-items:center;overflow:hidden;padding:44px;background:var(--ink);border-radius:var(--r-block)}
.cta::before{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:rgba(35,213,195,.14)}
.cta::after{content:"";position:absolute;left:-40px;bottom:-70px;width:180px;height:180px;border:1px solid rgba(255,90,54,.35);border-radius:50%}
.cta > *{position:relative;z-index:2}
.cta h2{color:#fff;font-size:clamp(22px,2.6vw,28px)}
.cta p{margin:12px 0 0;color:rgba(255,255,255,.75);font-size:15px}
.cta__actions{display:flex;flex-direction:column;gap:12px}

/* ---------- footer ---------- */
.footer{margin-top:0;padding:64px 0 28px;background:var(--ink);color:rgba(255,255,255,.8)}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer h4{margin-bottom:16px;color:var(--accent);font-size:14px;font-weight:600}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff;font-size:17px;font-weight:800}
.footer p{margin:0;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72)}
.footer__links{display:flex;flex-direction:column;gap:10px}
.footer__links a{font-size:15px;color:rgba(255,255,255,.8)}
.footer__links a:hover{color:var(--accent)}
.footer__bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .prep{grid-template-columns:repeat(2,1fr)}
  .prep__big{grid-column:span 2}
}
@media (max-width:991px){
  :root{--sp:64px}
  .nav-side{display:none}
  .nav-toggle{display:block}
  .mobile-panel{display:block}
  .page-head__grid{grid-template-columns:1fr;gap:28px;padding:40px 0 44px}
  .page-head__media{max-width:520px}
  .stats{grid-template-columns:repeat(2,1fr);gap:26px 0}
  .stats__item:nth-child(odd){border-left:0;padding-left:0}
  .rowlist__item{grid-template-columns:1fr;gap:10px;padding:20px 16px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .cta{grid-template-columns:1fr;padding:32px}
  .cta__actions{flex-direction:row;flex-wrap:wrap}
  .footer__grid{grid-template-columns:repeat(2,1fr);gap:28px}
}
@media (max-width:575px){
  :root{--sp:48px}
  .container{padding:0 16px}
  .page-head h1{font-size:26px}
  .lead{font-size:16px}
  .prep{grid-template-columns:1fr}
  .prep__big{grid-column:span 1;grid-template-columns:1fr;padding:20px}
  .fixlist{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .timeline::before{display:none}
  .timeline__item{padding-left:0}
  .timeline__num{position:static;margin-bottom:12px}
  .footer__grid{grid-template-columns:1fr}
  .cta{padding:26px}
  .btn-main,.btn-line,.btn-ghost{width:100%}
}

/* roulang page: category2 */
:root{
  --ink:#14161C;
  --ink-2:#1E2230;
  --primary:#FF5A36;
  --primary-dark:#E2431F;
  --accent:#23D5C3;
  --accent-deep:#0F8C81;
  --accent-soft:#E6FBF8;
  --bg:#F5F6F8;
  --surface:#FFFFFF;
  --line:#E6E8EE;
  --text:#1B1E26;
  --text-2:#5A6072;
  --text-3:#8A90A2;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-block:20px;
  --shadow-1:0 1px 2px rgba(20,22,28,.04), 0 8px 24px rgba(20,22,28,.05);
  --shadow-2:0 12px 32px rgba(20,22,28,.12);
  --space-section:88px;
  --bs-primary:#FF5A36;
  --bs-body-bg:#F5F6F8;
  --bs-body-color:#1B1E26;
  --bs-link-color:#1B1E26;
  --bs-link-hover-color:#FF5A36;
  --bs-border-color:#E6E8EE;
}
@media (max-width:991px){ :root{ --space-section:64px; } }
@media (max-width:575px){ :root{ --space-section:48px; } }

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;height:auto;}
a{color:var(--text);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (max-width:575px){ .container{padding-left:16px;padding-right:16px;} }
.section{padding:var(--space-section) 0;}
.section--tight{padding-top:0;}
.section--dark{background:var(--ink);color:#fff;position:relative;overflow:hidden;}
.section--dark::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(35,213,195,.16) 1px,transparent 1px);
  background-size:18px 18px;opacity:.5;
}
.section--dark .container{position:relative;z-index:1;}
.section--dark h2{color:#fff;}
.section--dark p{color:rgba(255,255,255,.72);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-btn);font-weight:600;font-size:15px;
  line-height:1;border:1.5px solid transparent;cursor:pointer;text-align:center;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn--primary{background:var(--primary);color:#fff;border-color:var(--primary);}
.btn--primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(255,90,54,.28);}
.btn--outline{background:transparent;color:var(--text);border-color:var(--text);}
.btn--outline:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-1px);}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35);}
.btn--ghost:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-1px);}
.btn--small{padding:9px 16px;font-size:14px;}
.btn--block{width:100%;}

/* ---------- 标签 ---------- */
.tag{
  display:inline-block;padding:4px 10px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  background:var(--accent-soft);color:var(--accent-deep);
}
.tag--dark{background:rgba(35,213,195,.2);color:var(--accent);}
.tag--orange{background:rgba(255,90,54,.12);color:var(--primary-dark);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(20,22,28,.07);}
.header__inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:72px;gap:20px;}
.nav-side{display:flex;align-items:center;gap:26px;}
.nav-side--left{justify-content:flex-start;}
.nav-side--right{justify-content:flex-end;}
.nav-side a{position:relative;font-size:15px;font-weight:500;color:var(--text);padding:6px 0;white-space:nowrap;}
.nav-side a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:3px;border-radius:2px;background:var(--accent);transition:width .22s ease;}
.nav-side a:hover{color:var(--primary);}
.nav-side a:hover::after{width:22px;}
.nav-side a.is-active{color:var(--primary);font-weight:600;}
.nav-side a.is-active::before{content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);width:4px;height:16px;border-radius:2px;background:var(--primary);}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink);letter-spacing:-.01em;white-space:nowrap;}
.brand:hover{color:var(--ink);}
.brand__mark{position:relative;width:26px;height:26px;flex:0 0 26px;border-radius:8px;background:linear-gradient(135deg,var(--primary),#FF8A5C);}
.brand__mark::after{content:"";position:absolute;left:8px;top:8px;width:10px;height:10px;border-radius:3px;background:#fff;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
  transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--accent);}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);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-nav{display:none;background:#fff;border-top:1px solid var(--line);}
.mobile-nav.is-open{display:block;}
.mobile-nav a{display:block;padding:0 20px;height:52px;line-height:52px;font-size:15px;font-weight:500;color:var(--text);border-bottom:1px solid var(--line);}
.mobile-nav a:hover{background:var(--bg);color:var(--primary);}
.mobile-nav a.is-active{color:var(--primary);font-weight:600;}

@media (max-width:991px){
  .header__inner{display:flex;justify-content:space-between;}
  .nav-side{display:none;}
  .nav-toggle{display:flex;}
  .brand{order:-1;font-size:17px;}
}

/* ---------- 页头 ---------- */
.page-head{position:relative;padding:52px 0 60px;background-color:var(--bg);border-bottom:1px solid var(--line);overflow:hidden;}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.16;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(20,22,28,.07) 1px,transparent 1px);
  background-size:14px 14px;opacity:.7;
}
.page-head .container{position:relative;z-index:1;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:22px;}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:var(--text-3);}
.crumbs .is-current{color:var(--text);}
.page-head__inner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:end;}
.page-head h1{font-size:clamp(26px,4vw,42px);font-weight:800;line-height:1.25;margin:14px 0 14px;}
.page-head__lead{max-width:660px;font-size:17px;color:var(--text-2);line-height:1.8;}
.page-head__actions{display:flex;gap:12px;flex-wrap:wrap;padding-bottom:6px;}
@media (max-width:767px){
  .page-head{padding:36px 0 44px;}
  .page-head__inner{grid-template-columns:1fr;align-items:start;gap:24px;}
}

/* ---------- 通用板块标题 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;}
.section-head p{margin-top:10px;color:var(--text-2);max-width:660px;font-size:16px;}

/* ---------- 图文区块 ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.split__body h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin:14px 0 16px;}
.split__body p{color:var(--text-2);font-size:16px;}
.split__media{margin:0;border-radius:var(--radius-block);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);background:var(--accent-soft);}
.split__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease;}
.split__media:hover img{transform:scale(1.03);}
.check-list{margin:22px 0 28px;display:grid;gap:12px;}
.check-list li{position:relative;padding-left:34px;font-size:15.5px;color:var(--text);line-height:1.8;}
.check-list li::before{content:"";position:absolute;left:0;top:6px;width:20px;height:20px;border-radius:6px;background:var(--accent-soft);}
.check-list li::after{content:"";position:absolute;left:7px;top:11px;width:6px;height:10px;border:2px solid var(--accent-deep);border-top:0;border-left:0;transform:rotate(45deg);}
@media (max-width:991px){ .split{grid-template-columns:1fr;gap:32px;} }

/* ---------- 数据条 ---------- */
.stats-strip{
  margin-top:64px;display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-block);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.stat{padding:26px 24px;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;}
.stat__num{display:block;font-size:38px;font-weight:800;line-height:1.1;color:var(--primary);font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.stat__num em{font-style:normal;font-size:16px;font-weight:600;color:var(--text-2);margin-left:6px;}
.stat__label{display:block;margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.7;}
@media (max-width:991px){
  .stats-strip{grid-template-columns:repeat(2,1fr);margin-top:44px;}
  .stat{border-right:1px solid var(--line);border-bottom:1px solid var(--line);}
  .stat:nth-child(2n){border-right:0;}
  .stat:nth-child(3),.stat:nth-child(4){border-bottom:0;}
}
@media (max-width:575px){ .stat{padding:20px 16px;} .stat__num{font-size:30px;} }

/* ---------- 条目列表 ---------- */
.cap-list{border-top:1px solid var(--line);}
.cap-row{
  position:relative;display:grid;grid-template-columns:minmax(0,250px) minmax(0,1fr) auto;
  gap:28px;align-items:center;padding:26px 20px;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.cap-row::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary);
  transform:scaleY(0);transform-origin:center;transition:transform .2s ease;
}
.cap-row:hover{background:var(--surface);}
.cap-row:hover::before{transform:scaleY(1);}
.cap-row h3{font-size:20px;font-weight:600;}
.cap-row p{color:var(--text-2);font-size:15px;line-height:1.8;}
@media (max-width:991px){
  .cap-row{grid-template-columns:1fr;gap:12px;padding:22px 16px;}
  .cap-row .btn{justify-self:start;}
}

/* ---------- 流程卡 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.flow__step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 22px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.flow__step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(255,90,54,.4);}
.flow__num{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;
  background:var(--accent-soft);color:var(--accent-deep);font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
}
.flow__step h3{margin:16px 0 8px;font-size:18px;font-weight:600;}
.flow__step p{color:var(--text-2);font-size:15px;line-height:1.8;}
.flow__bar{margin-top:18px;height:6px;border-radius:999px;background:var(--bg);overflow:hidden;}
.flow__bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--primary));}
@media (max-width:991px){ .flow{grid-template-columns:repeat(2,1fr);} }
@media (max-width:575px){ .flow{grid-template-columns:1fr;} }

/* ---------- 卡片 ---------- */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  display:flex;flex-direction:column;height:100%;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(35,213,195,.55);color:var(--text);}
.card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--accent-soft);}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card__media img{transform:scale(1.04);}
.card__media .tag{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.92);color:var(--accent-deep);}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card__title{font-size:18px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease;}
.card:hover .card__title{color:var(--primary);}
.card__desc{font-size:15px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--text-3);}
.card__meta .more{color:var(--primary);font-weight:600;}
@media (max-width:991px){ .cards-3{grid-template-columns:repeat(2,1fr);} }
@media (max-width:575px){ .cards-3{grid-template-columns:1fr;} }

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.faq-wrap .accordion-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-1);
}
.faq-wrap .accordion-button{
  font-size:16.5px;font-weight:600;color:var(--ink);background:var(--surface);
  padding:20px 22px;border:0;box-shadow:none;
}
.faq-wrap .accordion-button:not(.collapsed){color:var(--ink);background:var(--bg);box-shadow:inset 3px 0 0 var(--primary);}
.faq-wrap .accordion-button:focus{box-shadow:inset 3px 0 0 var(--primary),0 0 0 2px rgba(35,213,195,.45);}
.faq-wrap .accordion-button::after{
  background-image:none;content:"";width:10px;height:10px;margin-left:auto;
  border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);
  transform:rotate(45deg);transition:transform .25s ease;
}
.faq-wrap .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);}
.faq-wrap .accordion-body{padding:4px 24px 24px;background:var(--bg);color:var(--text-2);font-size:15.5px;line-height:1.85;}

/* ---------- CTA + 表单 ---------- */
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start;}
.cta-grid h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin-bottom:16px;}
.cta-grid p{font-size:16px;}
.cta-points{margin-top:26px;display:grid;gap:14px;}
.cta-points li{position:relative;padding-left:26px;font-size:15px;color:rgba(255,255,255,.8);line-height:1.8;}
.cta-points li::before{content:"";position:absolute;left:0;top:11px;width:10px;height:2px;border-radius:2px;background:var(--accent);}
.cta-contact{margin-top:28px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);display:grid;gap:8px;}
.cta-contact span{font-size:14px;color:rgba(255,255,255,.6);}
.cta-contact strong{font-size:16px;color:#fff;font-weight:600;}
.form-card{background:#fff;border-radius:var(--radius-block);padding:28px;box-shadow:var(--shadow-2);}
.form-card h3{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.form-card .form-sub{font-size:14px;color:var(--text-3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-btn);
  padding:12px 14px;background:#fff;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input,.field select{height:46px;}
.field textarea{height:140px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(35,213,195,.18);}
.form-hint{font-size:13px;color:var(--text-3);margin-top:10px;}
.form-done{margin-top:14px;font-size:14px;font-weight:600;color:var(--accent-deep);}
@media (max-width:991px){ .cta-grid{grid-template-columns:1fr;gap:36px;} }
@media (max-width:575px){ .form-card{padding:20px;} }

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:rgba(255,255,255,.8);padding:64px 0 0;}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer__brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer__brand .brand__mark{width:22px;height:22px;flex:0 0 22px;border-radius:7px;}
.footer__brand .brand__mark::after{left:7px;top:7px;width:8px;height:8px;}
.footer h4{font-size:14px;font-weight:600;color:var(--accent);letter-spacing:.04em;margin-bottom:16px;}
.footer__links{display:grid;gap:10px;}
.footer__links a{font-size:15px;color:rgba(255,255,255,.8);}
.footer__links a:hover{color:var(--accent);}
.footer p{font-size:14px;color:rgba(255,255,255,.62);line-height:1.8;}
.footer__bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.6);
}
@media (max-width:991px){ .footer__grid{grid-template-columns:1fr 1fr;} }
@media (max-width:575px){ .footer__grid{grid-template-columns:1fr;gap:28px;} }

/* roulang page: category3 */
:root{
  --ink:#14161C;
  --ink-2:#1E2230;
  --primary:#FF5A36;
  --primary-dark:#E2431F;
  --accent:#23D5C3;
  --accent-deep:#0E8C80;
  --accent-soft:#E6FBF8;
  --bg:#F5F6F8;
  --surface:#FFFFFF;
  --line:#E6E8EE;
  --text:#1B1E26;
  --text-2:#5A6072;
  --text-3:#8A90A2;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-block:20px;
  --shadow-1:0 1px 2px rgba(20,22,28,.04),0 8px 24px rgba(20,22,28,.05);
  --shadow-2:0 12px 32px rgba(20,22,28,.12);
  --font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;

  --bs-body-font-family:var(--font);
  --bs-body-bg:var(--bg);
  --bs-body-color:var(--text);
  --bs-border-color:var(--line);
  --bs-link-color:var(--text);
  --bs-link-hover-color:var(--primary);
  --bs-border-radius:var(--radius-btn);
  --bs-primary:#FF5A36;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{text-decoration:none;color:inherit;transition:color .2s ease;}
h1,h2,h3,h4,p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--primary);color:#fff;font-weight:600;font-size:15px;
  border:none;border-radius:var(--radius-btn);padding:12px 24px;
  cursor:pointer;transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,90,54,.28);}
.btn-main:active{background:var(--primary-dark);transform:translateY(0);}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--text);font-weight:600;font-size:15px;
  border:1.5px solid var(--text);border-radius:var(--radius-btn);padding:11px 22px;
  cursor:pointer;transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-line:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-1px);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:#fff;font-weight:600;font-size:15px;
  border:1.5px solid rgba(255,255,255,.3);border-radius:var(--radius-btn);padding:11px 22px;
  cursor:pointer;transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);color:#fff;transform:translateY(-1px);}
.btn-sm{padding:9px 18px;font-size:14px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease,background .25s ease;
}
.site-header.is-scrolled{
  background:#fff;
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px rgba(20,22,28,.07);
}
.nav-shell{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:24px;
  height:72px;
}
.nav-side{display:flex;align-items:center;gap:28px;}
.nav-side--right{justify-content:flex-end;}
.nav-side > a{
  position:relative;
  font-size:15px;font-weight:500;color:var(--text);
  padding:6px 0;white-space:nowrap;
}
.nav-side > a::after{
  content:"";position:absolute;left:0;bottom:-4px;height:3px;width:0;
  border-radius:2px;background:var(--accent);transition:width .22s ease;
}
.nav-side > a:hover{color:var(--primary);}
.nav-side > a:hover::after{width:100%;}
.nav-side > a.is-active{color:var(--primary);}
.nav-side > a.is-active::before{
  content:"";position:absolute;left:-11px;top:50%;transform:translateY(-50%);
  width:4px;height:16px;border-radius:2px;background:var(--primary);
}
.nav-side > a.is-active::after{width:100%;background:var(--primary);}

.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;letter-spacing:.01em;color:var(--ink);
  white-space:nowrap;justify-self:center;
}
.brand__mark{
  position:relative;flex:none;width:22px;height:22px;border-radius:7px;
  background:linear-gradient(135deg,var(--primary),#FF8A5B);
  box-shadow:0 4px 10px rgba(255,90,54,.32);
}
.brand__mark::after{
  content:"";position:absolute;left:7px;top:7px;width:8px;height:8px;border-radius:2px;background:#fff;
}
.brand:hover{color:var(--ink);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-mobile{display:none;}
.nav-mobile__panel{display:none;}

/* ---------- 页面头部横幅 ---------- */
.page-hero{
  position:relative;
  background:#fff;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle,rgba(20,22,28,.07) 1px,transparent 1px);
  background-size:18px 18px;
  opacity:.55;pointer-events:none;
}
.page-hero__inner{
  position:relative;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:44px;
  align-items:center;
  padding:40px 0;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:14px;}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:var(--text-3);}
.crumbs .current{color:var(--text);}
.page-hero h1{
  font-size:clamp(26px,4vw,42px);
  font-weight:800;line-height:1.25;color:var(--ink);
  letter-spacing:-.01em;
}
.page-hero__lead{
  margin-top:14px;margin-bottom:24px;
  font-size:16px;line-height:1.8;color:var(--text-2);max-width:520px;
}
.page-hero__media{
  border-radius:var(--radius-img);overflow:hidden;
  box-shadow:var(--shadow-1);border:1px solid var(--line);
  aspect-ratio:16/10;background:var(--accent-soft);
}
.page-hero__media img{width:100%;height:100%;object-fit:cover;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section--light{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--dark{background:var(--ink);color:#fff;}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--accent-deep);
  background:var(--accent-soft);
  border-radius:999px;padding:4px 12px;
}
.eyebrow--dark{background:rgba(35,213,195,.18);color:var(--accent);}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;line-height:1.3;color:var(--ink);
  margin:14px 0 12px;
}
.section-head p{font-size:16px;color:var(--text-2);max-width:680px;}
.section--dark .section-head h2{color:#fff;}
.section--dark .section-head p{color:rgba(255,255,255,.72);}

/* ---------- 两栏信息卡 ---------- */
.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.info-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.info-card::before{
  content:"";position:absolute;right:0;top:0;
  width:56px;height:56px;border-radius:0 var(--radius-card) 0 56px;
  background:linear-gradient(135deg,rgba(35,213,195,.16),rgba(255,90,54,.12));
  pointer-events:none;
}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(255,90,54,.4);}
.info-card__head{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.info-card__icon{
  flex:none;width:42px;height:42px;border-radius:12px;
  background:var(--accent-soft);color:var(--accent-deep);
  display:grid;place-items:center;
}
.info-card__icon svg{width:22px;height:22px;}
.info-card h3{font-size:20px;font-weight:600;line-height:1.4;color:var(--ink);}
.info-card__desc{font-size:15px;color:var(--text-2);margin-bottom:18px;}
.tips li{
  position:relative;padding:0 0 14px 22px;margin-bottom:14px;
  border-bottom:1px solid var(--line);
  font-size:15px;line-height:1.8;color:var(--text-2);
}
.tips li:last-child{padding-bottom:0;margin-bottom:0;border-bottom:none;}
.tips li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  border:1.5px solid var(--accent);
}
.tips li strong{display:block;font-size:15.5px;font-weight:600;color:var(--text);margin-bottom:2px;}

/* ---------- 反馈前准备：横向条目 ---------- */
.steps{display:flex;flex-direction:column;}
.step{
  display:grid;
  grid-template-columns:56px 1fr 240px;
  gap:24px;
  align-items:center;
  padding:24px 20px;
  border-bottom:1px solid var(--line);
  border-left:3px solid transparent;
  transition:background .2s ease,border-color .2s ease;
}
.step:first-child{border-top:1px solid var(--line);}
.step:hover{background:var(--bg);border-left-color:var(--primary);}
.step__no{
  width:44px;height:44px;border-radius:50%;
  background:var(--accent);color:#fff;
  display:grid;place-items:center;
  font-weight:700;font-size:16px;font-variant-numeric:tabular-nums;
}
.step__body h3{font-size:20px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.step__body p{font-size:15px;color:var(--text-2);}
.step__meta{font-size:14px;color:var(--text-3);text-align:right;}

/* ---------- FAQ ---------- */
.faq .accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:border-color .25s ease;
}
.faq .accordion-item:has(.accordion-button:not(.collapsed)){
  border-left:3px solid var(--primary);
}
.faq .accordion-button{
  position:relative;
  width:100%;
  background:#fff;
  color:var(--text);
  font-size:17px;font-weight:600;line-height:1.6;
  padding:20px 56px 20px 22px;
  border:none;border-radius:0;
  box-shadow:none !important;
  transition:color .2s ease,background .2s ease;
}
.faq .accordion-button:not(.collapsed){
  color:var(--ink);font-weight:700;background:#fff;
}
.faq .accordion-button:hover{color:var(--primary);}
.faq .accordion-button::after{display:none;}
.faq .accordion-button::before{
  content:"";position:absolute;right:26px;top:50%;
  width:8px;height:8px;
  border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .25s ease,border-color .25s ease;
}
.faq .accordion-button:not(.collapsed)::before{
  transform:translateY(-30%) rotate(-135deg);border-color:var(--primary);
}
.faq .accordion-body{
  margin:0 20px 20px;
  padding:16px 18px;
  background:var(--bg);
  border-radius:10px;
  font-size:16px;line-height:1.85;color:var(--text-2);
}

/* ---------- 反馈表单（深色区） ---------- */
.contact-panel{
  position:relative;
  display:grid;
  grid-template-columns:1fr 1.05fr;
  gap:48px;
  align-items:start;
}
.contact-panel::before{
  content:"";position:absolute;left:-40px;top:20px;
  width:120px;height:120px;border-radius:50%;
  border:1px solid rgba(35,213,195,.28);
  pointer-events:none;
}
.contact-info{position:relative;z-index:1;}
.contact-info h2{
  font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;color:#fff;
  margin:14px 0 16px;
}
.contact-info > p{font-size:16px;color:rgba(255,255,255,.74);max-width:460px;}
.contact-list{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.contact-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:rgba(255,255,255,.8);
}
.contact-list svg{flex:none;width:18px;height:18px;margin-top:5px;color:var(--accent);}
.form-card{
  position:relative;z-index:1;
  background:var(--surface);
  border-radius:var(--radius-block);
  padding:28px;
  box-shadow:0 20px 50px rgba(0,0,0,.32);
}
.form-card h3{font-size:20px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.form-card__sub{font-size:14px;color:var(--text-3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;
  font-family:inherit;font-size:15px;color:var(--text);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  padding:0 14px;height:46px;line-height:46px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{
  height:140px;line-height:1.7;padding:12px 14px;resize:vertical;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(35,213,195,.2);
}
.form-submit{width:100%;margin-top:6px;}
.form-state{
  margin-top:12px;font-size:14px;color:var(--accent-deep);min-height:22px;
}
.form-note{margin-top:12px;font-size:14px;color:var(--text-3);line-height:1.7;}

/* ---------- 卡片 ---------- */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(35,213,195,.5);}
.post-card__media{aspect-ratio:16/10;overflow:hidden;background:var(--accent-soft);}
.post-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.post-card:hover .post-card__media img{transform:scale(1.04);}
.post-card__body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1;}
.badge-soft{
  display:inline-block;align-self:flex-start;
  padding:4px 10px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent-deep);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.post-card h3{
  font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.post-card:hover h3{color:var(--primary);}
.post-card__desc{
  font-size:15px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__meta{
  margin-top:auto;
  padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.post-card__meta .more{color:var(--text-3);font-weight:600;}
.post-card:hover .post-card__meta .more{color:var(--primary);}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:#fff;padding:64px 0 28px;}
.footer__grid{display:grid;grid-template-columns:1.7fr 1fr 1.1fr 1.3fr;gap:36px;}
.footer__brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;margin-bottom:16px;}
.footer p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.8);}
.footer h4{
  font-size:14px;font-weight:600;letter-spacing:.04em;color:var(--accent);
  margin-bottom:16px;
}
.footer__links{display:flex;flex-direction:column;gap:10px;}
.footer__links a{font-size:15px;color:rgba(255,255,255,.8);}
.footer__links a:hover{color:var(--accent);}
.footer__bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .step{grid-template-columns:56px 1fr;}
  .step__meta{grid-column:2;text-align:left;margin-top:6px;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .nav-shell{grid-template-columns:1fr auto;height:64px;}
  .nav-side{display:none;}
  .brand{justify-self:start;font-size:17px;}
  .nav-toggle{display:inline-flex;justify-self:end;}
  .nav-mobile.is-open{display:block;}
  .nav-mobile__panel{
    display:block;
    border-top:1px solid var(--line);
    background:#fff;
    padding:4px 0 14px;
    animation:fadeDown .2s ease;
  }
  @keyframes fadeDown{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:translateY(0);}}
  .nav-mobile__panel a{
    display:flex;align-items:center;
    min-height:52px;padding:0 20px;
    border-bottom:1px solid var(--line);
    font-size:15px;font-weight:500;color:var(--text);
  }
  .nav-mobile__panel a.is-active{color:var(--primary);font-weight:600;}
  .page-hero__inner{grid-template-columns:1fr;gap:28px;padding:32px 0;}
  .page-hero__media{max-width:560px;}
  .cards-3{grid-template-columns:repeat(2,1fr);}
  .contact-panel{grid-template-columns:1fr;gap:32px;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  .info-grid{grid-template-columns:1fr;}
  .cards-3{grid-template-columns:1fr;}
  .step{grid-template-columns:1fr;gap:14px;padding:22px 16px;}
  .step__no{width:40px;height:40px;font-size:15px;}
  .step__meta{grid-column:1;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:48px 0;}
  .page-hero h1{font-size:26px;}
  .page-hero__lead{font-size:15px;}
  .brand{font-size:15px;gap:8px;}
  .brand__mark{width:18px;height:18px;border-radius:6px;}
  .brand__mark::after{left:6px;top:6px;width:6px;height:6px;}
  .info-card{padding:22px 18px;}
  .form-card{padding:22px 18px;}
  .faq .accordion-button{font-size:16px;padding:18px 48px 18px 18px;}
  .faq .accordion-body{margin:0 14px 16px;font-size:15px;}
  .footer__grid{grid-template-columns:1fr;}
  .footer{padding:48px 0 24px;}
}