/* roulang page: index */
:root{
  --brand:#FF4D1C;
  --brand-mid:#FF7A18;
  --brand-soft:#FFB020;
  --energy:#00C48C;
  --spark:#FFD100;
  --ink:#15161C;
  --ink-2:#1E2029;
  --bg:#FFF9F6;
  --mist:#F4F5F7;
  --text:#2A2D35;
  --muted:#6B7280;
  --line:rgba(21,22,28,.08);
  --line-strong:rgba(21,22,28,.14);
  --disabled:#C7CAD1;
  --grad:linear-gradient(135deg,#FF7A18 0%,#FFB020 100%);
  --grad-strong:linear-gradient(135deg,#FF4D1C 0%,#FF7A18 60%,#FFB020 100%);
  --r-xl:28px;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:14px;
  --sh-1:0 8px 24px rgba(21,22,28,.06);
  --sh-2:0 18px 40px rgba(255,77,28,.18);
  --sh-3:0 24px 60px rgba(21,22,28,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit;cursor:pointer;border:none;background:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;line-height:1.2;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.wrap{padding:0 32px}}
.section{padding:64px 0}
@media(min-width:768px){.section{padding:88px 0}}
.section-alt{background:var(--mist)}
.section-dark{background:var(--ink);color:#EFEFF3}
.section-dark h2,.section-dark h3{color:#fff}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,249,246,.86);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease,background .25s ease;
}
.site-header.is-stuck{
  background:rgba(255,249,246,.95);
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(21,22,28,.07);
}
.nav-inner{display:flex;align-items:center;gap:16px;height:72px;transition:height .25s ease}
.site-header.is-stuck .nav-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:14px;background:var(--grad-strong);
  color:#fff;font-weight:900;font-size:20px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(255,77,28,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text b{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.06em}
.nav-links{display:none;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:8px 13px;border-radius:999px;font-size:14.5px;font-weight:600;color:#3C414C;
  position:relative;white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:rgba(255,77,28,.07)}
.nav-link.is-active{color:var(--brand);background:rgba(255,77,28,.10)}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:auto}
@media(min-width:1080px){
  .nav-links{display:flex}
  .nav-right{margin-left:12px}
}
.nav-toggle{
  width:44px;height:44px;border-radius:14px;background:#fff;border:1px solid var(--line);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease,opacity .25s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(min-width:1080px){.nav-toggle{display:none}}
.nav-drawer{
  display:block;overflow:hidden;max-height:0;transition:max-height .32s ease;
  border-top:1px solid transparent;background:rgba(255,249,246,.98);
}
.nav-drawer.is-open{max-height:420px;border-top-color:var(--line)}
.nav-drawer-inner{padding:14px 20px 22px;display:flex;flex-direction:column;gap:6px}
.nav-drawer a{
  padding:12px 14px;border-radius:14px;font-weight:600;font-size:15px;color:#3C414C;background:#fff;
  border:1px solid var(--line);
}
.nav-drawer a.is-active{color:var(--brand);background:rgba(255,77,28,.08);border-color:rgba(255,77,28,.28)}
@media(min-width:1080px){.nav-drawer{display:none}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:15px;padding:13px 26px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-primary{background:var(--grad-strong);color:#fff;box-shadow:0 10px 24px rgba(255,77,28,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line-strong)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-line{background:transparent;color:var(--brand);border:1.5px solid rgba(255,77,28,.45)}
.btn-line:hover{background:rgba(255,77,28,.08)}
.btn:focus-visible,.nav-link:focus-visible,a:focus-visible,.faq-q:focus-visible{
  outline:2px solid var(--brand);outline-offset:3px;border-radius:999px;
}

/* ---------- hero ---------- */
.hero{position:relative;padding:48px 0 64px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(180deg,rgba(255,249,246,.92) 0%,rgba(255,249,246,.86) 45%,rgba(255,249,246,.99) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero > .wrap{position:relative;z-index:1}
.hero-grid{display:grid;gap:44px;align-items:center}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.06fr .94fr;gap:56px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);
  background:rgba(255,77,28,.10);border:1px solid rgba(255,77,28,.2);
  padding:7px 14px;border-radius:999px;margin-bottom:20px;letter-spacing:.02em;
}
.eyebrow i{font-size:12px}
.hero h1{
  font-size:clamp(32px,5vw,54px);font-weight:900;line-height:1.14;letter-spacing:-.02em;color:var(--ink);
}
.hero h1 .hl{
  background:var(--grad-strong);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:18px;font-size:17px;color:#4B5058;max-width:560px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:34px}
@media(min-width:640px){.hero-stats{grid-template-columns:repeat(4,1fr)}}
.hstat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:14px 14px 12px;
  box-shadow:var(--sh-1);
}
.hstat b{display:block;font-size:26px;font-weight:800;color:var(--brand);line-height:1.1}
.hstat span{display:block;font-size:12.5px;color:var(--muted);margin-top:4px;font-weight:600}
.hero-visual{position:relative}
.phone-frame{
  position:relative;border-radius:36px;padding:12px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh-3);max-width:420px;margin:0 auto;
}
.phone-frame::after{
  content:"";position:absolute;inset:-14px;border-radius:46px;
  border:1.5px dashed rgba(255,122,24,.35);z-index:-1;
}
.phone-top{display:flex;align-items:center;gap:6px;padding:4px 10px 10px}
.phone-top .dot{width:9px;height:9px;border-radius:50%;background:#E7E7EC}
.phone-top .dot:first-child{background:var(--brand-soft)}
.phone-title{margin-left:auto;font-size:12px;color:var(--muted);font-weight:600}
.phone-screen{position:relative;border-radius:26px;overflow:hidden;background:var(--mist)}
.phone-screen img{width:100%;aspect-ratio:16/11;object-fit:cover}
.float-badge{
  position:absolute;display:flex;align-items:center;gap:8px;background:#fff;border-radius:999px;
  padding:8px 14px;box-shadow:0 12px 28px rgba(21,22,28,.16);border:1px solid var(--line);
}
.float-badge b{font-size:18px;font-weight:800;color:var(--brand)}
.float-badge span{font-size:12px;color:var(--muted);font-weight:600}
.badge-a{left:-10px;bottom:64px}
.badge-b{right:-6px;bottom:18px}
.badge-b b{color:var(--energy)}

/* ---------- section head ---------- */
.sec-head{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;margin-bottom:36px}
.sec-head h2{font-size:clamp(24px,3.4vw,38px);font-weight:900;letter-spacing:-.02em}
.sec-head .lead{margin-top:12px;color:var(--muted);max-width:640px;font-size:15.5px}
.sec-tag{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;color:var(--brand);
  background:rgba(255,77,28,.09);padding:6px 13px;border-radius:999px;margin-bottom:14px;
}
.more-link{font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:7px}
.more-link:hover{gap:11px}

/* ---------- features ---------- */
.feat-grid{display:grid;gap:20px}
@media(min-width:1024px){.feat-grid{grid-template-columns:1.15fr .85fr}}
.feat-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.feat-main:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.feat-main .media{position:relative;overflow:hidden}
.feat-main .media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease}
.feat-main:hover .media img{transform:scale(1.05)}
.feat-main .body{padding:26px}
.feat-main h3{font-size:23px;font-weight:800}
.feat-main p{margin-top:12px;color:var(--muted);font-size:15px}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.chip{
  font-size:12.5px;font-weight:700;color:#3C414C;background:var(--mist);
  padding:6px 12px;border-radius:999px;border:1px solid var(--line);
}
.chip.chip-brand{color:var(--brand);background:rgba(255,77,28,.08);border-color:rgba(255,77,28,.22)}
.chip.chip-energy{color:#00875F;background:rgba(0,196,140,.10);border-color:rgba(0,196,140,.25)}
.feat-side{display:grid;gap:18px;grid-template-columns:1fr}
@media(min-width:640px){.feat-side{grid-template-columns:1fr 1fr}}
.feat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;
  box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,77,28,.28)}
.feat-icon{
  width:44px;height:44px;border-radius:14px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:14px;
  box-shadow:0 8px 18px rgba(255,122,24,.25);
}
.feat-icon.teal{background:linear-gradient(135deg,#00C48C,#37D9A8);box-shadow:0 8px 18px rgba(0,196,140,.25)}
.feat-card h3{font-size:17.5px;font-weight:800}
.feat-card p{margin-top:9px;font-size:14.3px;color:var(--muted);line-height:1.7}

/* ---------- demo steps ---------- */
.demo-grid{display:grid;gap:36px;align-items:center}
@media(min-width:1024px){.demo-grid{grid-template-columns:1fr 1.05fr;gap:52px}}
.steps{display:flex;flex-direction:column;gap:14px;margin-top:26px}
.step{
  display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:18px 20px;box-shadow:var(--sh-1);cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step.is-active{border-color:rgba(255,77,28,.45);box-shadow:var(--sh-2)}
.step-no{
  flex:0 0 auto;width:36px;height:36px;border-radius:50%;background:var(--mist);color:var(--muted);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
  border:1px solid var(--line);
}
.step.is-active .step-no{background:var(--grad-strong);color:#fff;border-color:transparent}
.step h3{font-size:16.5px;font-weight:800}
.step p{font-size:14px;color:var(--muted);margin-top:5px}
.demo-screen{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:16px;box-shadow:var(--sh-3);
}
.demo-screen img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:18px}
.demo-note{
  position:absolute;left:26px;bottom:26px;background:rgba(21,22,28,.86);color:#fff;
  padding:10px 16px;border-radius:999px;font-size:13px;font-weight:600;
  backdrop-filter:blur(6px);
}
.step-bar{display:flex;align-items:center;gap:0;margin-top:34px}
.step-dot{width:14px;height:14px;border-radius:50%;background:var(--grad-strong);box-shadow:0 0 0 5px rgba(255,122,24,.16)}
.step-dot.off{background:#DFE1E6;box-shadow:none}
.step-line{flex:1;height:3px;border-radius:3px;background:var(--grad);opacity:.55}

/* ---------- proof ---------- */
.stat-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:38px}
@media(min-width:900px){.stat-row{grid-template-columns:repeat(4,1fr)}}
.stat-box{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-lg);padding:22px;box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.stat-box b{display:block;font-size:34px;font-weight:900;color:var(--brand-soft);line-height:1.1}
.stat-box span{display:block;font-size:13px;color:#A9ADB8;margin-top:6px;font-weight:600}
.review-grid{display:grid;gap:18px}
@media(min-width:900px){.review-grid{grid-template-columns:repeat(3,1fr)}}
.review-card{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-lg);
  padding:22px;transition:transform .22s ease,border-color .22s ease;
}
.review-card:hover{transform:translateY(-4px);border-color:rgba(255,122,24,.5)}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{
  width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;
  display:flex;align-items:center;justify-content:center;font-size:16px;flex:0 0 auto;
}
.review-top b{color:#fff;font-size:15px;display:block}
.review-top em{font-style:normal;font-size:12.5px;color:#9AA0A9}
.stars{display:flex;gap:3px;margin:14px 0 10px;color:var(--spark);font-size:13px}
.review-card p{color:#C9CDD6;font-size:14.3px;line-height:1.75}
.trust-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px 38px;
  margin-top:38px;padding-top:28px;border-top:1px solid rgba(255,255,255,.1);
}
.trust-bar span{
  color:#8B909B;font-size:13.5px;font-weight:700;letter-spacing:.08em;filter:grayscale(1);opacity:.85;
}

/* ---------- price ---------- */
.price-grid{display:grid;gap:22px;align-items:stretch}
@media(min-width:960px){.price-grid{grid-template-columns:repeat(3,1fr)}}
.price-card{
  position:relative;background:#fff;border:1.5px solid var(--line);border-radius:var(--r-xl);
  padding:30px 26px;display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.price-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2)}
.price-card.featured{
  border-color:transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad-strong) border-box;
  box-shadow:0 22px 50px rgba(255,77,28,.18);
}
@media(min-width:960px){.price-card.featured{transform:translateY(-14px)}.price-card.featured:hover{transform:translateY(-18px)}}
.price-flag{
  position:absolute;top:-14px;left:26px;background:var(--grad-strong);color:#fff;
  font-size:12.5px;font-weight:800;padding:6px 14px;border-radius:999px;letter-spacing:.03em;
}
.price-card h3{font-size:19px;font-weight:800}
.price-card .p-desc{margin-top:8px;font-size:13.8px;color:var(--muted)}
.price-num{margin:20px 0 6px;display:flex;align-items:baseline;gap:6px}
.price-num b{font-size:38px;font-weight:900;color:var(--ink);line-height:1}
.price-num i{font-style:normal;font-size:14px;color:var(--muted);font-weight:600}
.price-list{margin:22px 0 26px;display:flex;flex-direction:column;gap:12px}
.price-list li{display:flex;gap:10px;font-size:14.3px;color:#41454F;line-height:1.6}
.price-list li i{color:var(--energy);margin-top:5px;font-size:12px}
.price-card .btn{margin-top:auto;width:100%}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item.is-open{border-color:rgba(255,77,28,.35);box-shadow:var(--sh-1);position:relative}
.faq-item.is-open::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-strong);border-radius:4px;
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:700;color:var(--ink);
}
.faq-q i{color:var(--brand);transition:transform .25s ease;flex:0 0 auto;font-size:14px}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 22px 22px;color:var(--muted);font-size:14.6px;line-height:1.85}

/* ---------- news / cms ---------- */
.news-grid{display:grid;gap:22px}
@media(min-width:680px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-thumb{position:relative;overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.badge-on-img{
  position:absolute;left:14px;top:14px;background:rgba(21,22,28,.82);color:#fff;
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;backdrop-filter:blur(4px);
}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:17px;font-weight:800;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover h3{color:var(--brand)}
.news-body p{
  margin-top:10px;font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);font-weight:600;
}
.news-meta .arrow{color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.news-empty{
  text-align:center;padding:56px 24px;background:#fff;border:1px dashed var(--line-strong);border-radius:var(--r-xl);
}
.news-empty i{font-size:32px;color:var(--brand-soft)}
.news-empty p{margin-top:14px;color:var(--muted);font-size:15px}
.news-empty a{display:inline-block;margin-top:16px;color:var(--brand);font-weight:700;font-size:14px}

/* ---------- bottom cta ---------- */
.cta-band{
  border-radius:var(--r-xl);background:var(--grad-strong);color:#fff;padding:44px 32px;
  display:grid;gap:26px;align-items:center;box-shadow:0 24px 54px rgba(255,77,28,.24);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
@media(min-width:900px){.cta-band{grid-template-columns:1.4fr .6fr;padding:52px 48px}}
.cta-band h2{color:#fff;font-size:clamp(22px,3vw,32px);font-weight:900;position:relative;z-index:1}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.92);font-size:15px;max-width:620px;position:relative;z-index:1}
.cta-band .btn{position:relative;z-index:1;background:#fff;color:var(--brand);box-shadow:0 12px 26px rgba(0,0,0,.14)}
.cta-band .btn:hover{transform:translateY(-3px)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#B7BBC4;padding:60px 0 0;margin-top:0}
.footer-grid{display:grid;gap:34px}
@media(min-width:760px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text b{color:#fff}
.footer-brand .brand-text em{color:#8B909B}
.footer-desc{font-size:14px;color:#9AA0A9;line-height:1.8;max-width:320px}
.footer-col h4{font-size:14px;color:#EDEEF1;font-weight:700;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:#9AA0A9}
.footer-col a:hover{color:var(--brand-soft)}
.footer-bottom{
  margin-top:46px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  font-size:13px;color:#7C828C;
}
.footer-bottom a:hover{color:var(--brand-soft)}

/* ---------- floating cta ---------- */
.float-cta{
  position:fixed;right:24px;bottom:28px;z-index:70;display:none;gap:10px;align-items:center;
  opacity:0;transform:translateY(14px);pointer-events:none;transition:opacity .2s ease,transform .2s ease;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta .btn{box-shadow:0 16px 34px rgba(255,77,28,.32)}
.to-top{
  width:48px;height:48px;border-radius:50%;background:#fff;border:1px solid var(--line);
  color:var(--ink);display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-1);
}
.to-top:hover{color:var(--brand);border-color:rgba(255,77,28,.4)}
@media(min-width:900px){.float-cta{display:flex}}
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(255,255,255,.97);
  border-top:1px solid var(--line);padding:8px 14px;display:flex;align-items:center;gap:12px;
  box-shadow:0 -8px 24px rgba(21,22,28,.08);transform:translateY(110%);transition:transform .25s ease;
}
.mobile-bar.is-visible{transform:translateY(0)}
.mobile-bar .btn{flex:1}
.mobile-bar .link{font-size:14px;font-weight:700;color:var(--brand);white-space:nowrap}
@media(min-width:900px){.mobile-bar{display:none}}
body.has-mobile-bar{padding-bottom:72px}
@media(min-width:900px){body.has-mobile-bar{padding-bottom:0}}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --brand:#FF4D1C;
  --brand-2:#FF7A18;
  --brand-3:#FFB020;
  --teal:#00C48C;
  --yellow:#FFD100;
  --ink:#15161C;
  --ink-2:#1E2029;
  --sand:#FFF9F6;
  --gray:#F4F5F7;
  --text:#2A2D35;
  --muted:#6B7280;
  --line:rgba(21,22,28,.08);
  --disabled:#C7CAD1;
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --shadow:0 8px 24px rgba(21,22,28,.06);
  --shadow-hover:0 18px 40px rgba(255,77,28,.18);
  --grad:linear-gradient(135deg,#FF4D1C 0%,#FF7A18 55%,#FFB020 100%);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.02em;color:var(--ink)}
p{margin:0}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,textarea{font:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.num{font-variant-numeric:tabular-nums}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.wrap{padding:0 32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,249,246,.78);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease,background .25s ease;
}
.site-header.is-scrolled{background:rgba(255,249,246,.94);border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(21,22,28,.06)}
.header-inner{display:flex;align-items:center;gap:18px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:62px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-weight:900;font-size:19px;
  box-shadow:0 8px 18px rgba(255,77,28,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text b{font-size:17px;font-weight:900;letter-spacing:-.02em;color:var(--ink)}
.brand-text em{font-style:normal;font-size:12px;font-weight:600;color:var(--brand)}
.nav-links{display:none;margin-left:auto;align-items:center;gap:4px}
.nav-link{
  display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:#3B3F4A;white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(255,77,28,.07)}
.nav-link.is-active{color:var(--brand);background:rgba(255,77,28,.1);box-shadow:inset 0 0 0 1px rgba(255,77,28,.18)}
.header-cta{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-toggle{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);
}
.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}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:rgba(255,249,246,.98);
  padding:10px 20px 20px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:block;padding:13px 14px;border-radius:14px;font-weight:600;font-size:15px;color:#3B3F4A;
}
.mobile-drawer a.is-active{background:rgba(255,77,28,.1);color:var(--brand)}
.mobile-drawer a:hover{background:rgba(255,77,28,.07);color:var(--brand)}
@media (min-width:1080px){
  .nav-links{display:flex}
  .nav-toggle{display:none}
  .mobile-drawer{display:none !important}
  .header-cta{margin-left:6px}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:15px;padding:13px 26px;
  transition:transform .2s ease,box-shadow .2s ease,background-position .3s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  color:#fff;background:var(--grad);background-size:160% 160%;background-position:0% 50%;
  box-shadow:0 10px 24px rgba(255,77,28,.28);
}
.btn-primary:hover{transform:translateY(-2px);background-position:90% 50%;box-shadow:0 16px 34px rgba(255,77,28,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  color:var(--ink);background:#fff;box-shadow:inset 0 0 0 1.5px rgba(21,22,28,.14);
}
.btn-ghost:hover{color:var(--brand);box-shadow:inset 0 0 0 1.5px rgba(255,77,28,.45);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}

/* ---------- banner ---------- */
.page-banner{
  position:relative;overflow:hidden;
  background-image:linear-gradient(112deg,rgba(21,22,28,.9) 0%,rgba(255,77,28,.82) 58%,rgba(255,176,32,.72) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#fff;padding:44px 0 52px;
}
.page-banner::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(255,209,0,.34),transparent 68%);
  pointer-events:none;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.8);position:relative;z-index:1}
.crumb a:hover{color:#FFD100}
.banner-tag{
  display:inline-flex;align-items:center;gap:7px;margin-top:22px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;
  background:rgba(255,255,255,.16);box-shadow:inset 0 0 0 1px rgba(255,255,255,.32);
  position:relative;z-index:1;
}
.banner-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal)}
.page-banner h1{
  margin-top:16px;color:#fff;
  font-size:clamp(28px,4.4vw,46px);font-weight:900;letter-spacing:-.02em;line-height:1.18;
  max-width:900px;position:relative;z-index:1;
}
.banner-lead{
  margin-top:16px;max-width:760px;font-size:16.5px;color:rgba(255,255,255,.92);position:relative;z-index:1;
}
.banner-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;position:relative;z-index:1}
.banner-meta span{
  display:inline-flex;align-items:center;gap:7px;padding:8px 15px;border-radius:999px;
  background:rgba(21,22,28,.32);font-size:13.5px;font-weight:600;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);
}
.banner-meta b{color:#FFD100;font-weight:800}

/* ---------- sections ---------- */
.section{padding:64px 0}
@media (min-width:768px){.section{padding:84px 0}}
.section-gray{background:var(--gray)}
.section-sand{background:var(--sand)}
.section-dark{background:var(--ink-2);color:rgba(255,255,255,.86)}
.section-dark h2,.section-dark h3{color:#fff}
.section-head{max-width:760px;margin-bottom:34px}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:.06em;
  color:var(--brand);text-transform:uppercase;
}
.section-kicker::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad)}
.section-head h2{margin-top:14px;font-size:clamp(24px,3.4vw,36px);font-weight:900}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px}
.section-dark .section-head p{color:rgba(255,255,255,.72)}
.section-dark .section-kicker{color:var(--brand-3)}

/* ---------- steps ---------- */
.steps{display:grid;gap:18px;position:relative}
.step{
  position:relative;background:#fff;border-radius:var(--r-md);padding:26px 24px;
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.step-index{
  display:inline-grid;place-items:center;width:44px;height:44px;border-radius:14px;
  background:var(--grad);color:#fff;font-weight:900;font-size:16px;letter-spacing:-.02em;
  box-shadow:0 8px 18px rgba(255,77,28,.24);
}
.step h3{margin-top:16px;font-size:19px;font-weight:800}
.step p{margin-top:10px;color:var(--muted);font-size:15px}
.step-tag{
  position:absolute;top:22px;right:22px;font-size:12.5px;font-weight:700;color:var(--teal);
  padding:4px 10px;border-radius:999px;background:rgba(0,196,140,.1);
}
@media (min-width:900px){
  .steps{grid-template-columns:repeat(3,1fr);gap:24px}
  .steps::before{
    content:"";position:absolute;top:44px;left:6%;right:6%;height:2px;
    background:linear-gradient(90deg,rgba(255,77,28,.5),rgba(255,176,32,.5),rgba(0,196,140,.5));
    z-index:0;
  }
  .step{z-index:1}
}

/* ---------- card grid ---------- */
.card-grid{display:grid;gap:22px}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr);gap:24px}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.card{
  display:flex;flex-direction:column;background:#fff;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease;
  border:1px solid rgba(21,22,28,.04);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.card:hover .card-title{color:var(--brand)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--gray)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.05)}
.badge{
  position:absolute;top:14px;left:14px;display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;
  background:rgba(255,255,255,.94);color:var(--brand);box-shadow:0 6px 16px rgba(21,22,28,.1);
}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.card-title{font-size:19px;font-weight:800;color:var(--ink);transition:color .2s ease}
.card-text{margin-top:10px;color:var(--muted);font-size:15px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{
  margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);font-size:13.5px;color:var(--muted);
}
.card-foot .go{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand)}

/* ---------- split block ---------- */
.split{display:grid;gap:28px;align-items:center}
@media (min-width:960px){.split{grid-template-columns:1.05fr 1fr;gap:48px}}
.split-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:0 20px 44px rgba(21,22,28,.12);aspect-ratio:5/4;background:var(--gray)}
.split-media img{width:100%;height:100%;object-fit:cover}
.split h3{font-size:clamp(22px,2.8vw,30px);font-weight:900}
.split p{margin-top:14px;color:var(--muted);font-size:15.5px}
.check-list{margin-top:22px;display:grid;gap:12px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;background:#fff;border-radius:var(--r-sm);
  padding:14px 16px;box-shadow:var(--shadow);font-size:15px;color:#3B3F4A;
}
.check-list li i{
  flex-shrink:0;width:22px;height:22px;border-radius:8px;display:grid;place-items:center;
  background:rgba(0,196,140,.12);color:var(--teal);font-style:normal;font-weight:900;font-size:13px;margin-top:2px;
}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:#fff;border-radius:var(--r-md);box-shadow:var(--shadow);overflow:hidden;
  border-left:4px solid transparent;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item.is-open{border-left-color:var(--brand);box-shadow:var(--shadow-hover)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16.5px;font-weight:700;color:var(--ink);
}
.faq-q:hover{color:var(--brand)}
.faq-arrow{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,77,28,.1);color:var(--brand);font-size:14px;transition:transform .25s ease;
}
.faq-item.is-open .faq-arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 22px 22px;color:var(--muted);font-size:15px}

/* ---------- pager ---------- */
.pager{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;margin-top:46px}
.pager a,.pager span{
  min-width:44px;height:44px;padding:0 16px;border-radius:14px;display:inline-flex;
  align-items:center;justify-content:center;font-size:14.5px;font-weight:700;
  background:#fff;color:#3B3F4A;box-shadow:var(--shadow);transition:all .2s ease;
}
.pager a:hover{color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.pager .is-current{background:var(--grad);color:#fff;box-shadow:0 10px 22px rgba(255,77,28,.26)}
.pager .is-disabled{color:var(--disabled);box-shadow:none;background:rgba(21,22,28,.03)}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background-image:linear-gradient(120deg,rgba(255,77,28,.94) 0%,rgba(255,122,24,.9) 52%,rgba(255,176,32,.88) 100%);
  color:#fff;padding:44px 32px;box-shadow:0 24px 54px rgba(255,77,28,.26);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(255,255,255,.28),transparent 70%);
}
.cta-band h2{color:#fff;font-size:clamp(23px,3.2vw,34px);font-weight:900;position:relative;z-index:1}
.cta-band p{margin-top:12px;max-width:640px;color:rgba(255,255,255,.94);font-size:16px;position:relative;z-index:1}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;position:relative;z-index:1}
.btn-white{background:#fff;color:var(--brand);box-shadow:0 12px 28px rgba(21,22,28,.16)}
.btn-white:hover{transform:translateY(-2px);color:var(--brand-2)}
.btn-line{color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.72)}
.btn-line:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
@media (min-width:768px){.cta-band{padding:56px 52px}}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:60px 0 26px;margin-top:8px}
.footer-grid{display:grid;gap:34px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:11px;font-size:18px}
.footer-brand .brand-text b{color:#fff;font-size:16.5px}
.footer-brand .brand-text em{color:var(--brand-3)}
.footer-desc{margin-top:16px;font-size:14.5px;line-height:1.8;max-width:340px;color:rgba(255,255,255,.62)}
.footer-col h4{font-size:14px;font-weight:700;color:rgba(255,255,255,.88);letter-spacing:.02em}
.footer-col ul{margin-top:16px;display:grid;gap:11px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.66);transition:color .18s ease}
.footer-col a:hover{color:var(--brand-3)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13.5px;color:rgba(255,255,255,.5);
}

/* ---------- floating cta ---------- */
.float-cta{
  position:fixed;right:28px;bottom:30px;z-index:70;display:none;
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .2s ease,transform .2s ease;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
@media (min-width:1024px){.float-cta{display:block}}
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:flex;align-items:center;gap:12px;
  height:60px;padding:0 16px;background:rgba(255,249,246,.96);
  backdrop-filter:blur(12px);border-top:1px solid var(--line);
  transition:transform .24s ease;
}
.mobile-bar.is-hidden{transform:translateY(110%)}
.mobile-bar .btn{height:42px;padding:0 20px;font-size:14px}
.mobile-bar .link{font-size:14px;font-weight:700;color:var(--brand);white-space:nowrap}
@media (min-width:1024px){.mobile-bar{display:none}}
@media (max-width:1023px){body{padding-bottom:72px}}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .card:hover,.step:hover,.pager a:hover{transform:none}
}

/* roulang page: article */
:root{
  --brand:#FF4D1C;
  --brand-2:#FF7A18;
  --brand-3:#FFB020;
  --cyan:#00C48C;
  --yellow:#FFD100;
  --ink:#15161C;
  --ink-2:#1E2029;
  --text:#2A2D35;
  --muted:#6B7280;
  --bg:#FFF9F6;
  --bg-alt:#F4F5F7;
  --line:rgba(21,22,28,.08);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow-soft:0 8px 24px rgba(21,22,28,.06);
  --shadow-hover:0 18px 40px rgba(255,77,28,.18);
  --grad:linear-gradient(135deg,#FF7A18 0%,#FFB020 100%);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea{font:inherit;color:inherit}
.num{font-variant-numeric:tabular-nums}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:768px){.wrap{padding:0 32px}}

/* ---------- 顶部导航 ---------- */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--grad);z-index:90;transition:width .1s linear}
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,249,246,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,background .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:rgba(255,249,246,.95);box-shadow:0 6px 20px rgba(21,22,28,.06);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:62px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-weight:900;font-size:19px;letter-spacing:-.02em;
  box-shadow:0 8px 18px rgba(255,77,28,.28);flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-text b{font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--muted)}
.nav-links{display:none;align-items:center;gap:2px}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-link{padding:9px 13px;border-radius:999px;font-size:14.5px;font-weight:500;color:#3c4049;white-space:nowrap;transition:color .2s ease,background .2s ease}
.nav-link:hover{color:var(--brand);background:rgba(255,77,28,.07)}
.nav-link.is-active{background:var(--grad);color:#fff;font-weight:600;box-shadow:0 8px 18px rgba(255,122,24,.26)}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:inline-flex;width:42px;height:42px;border-radius:13px;background:#fff;
  border:1px solid var(--line);align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-toggle:hover{border-color:rgba(255,77,28,.4);box-shadow:0 6px 16px rgba(255,77,28,.12)}
.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)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
@media (min-width:1024px){.nav-toggle{display:none}}
.mobile-drawer{display:none;flex-direction:column;gap:4px;padding:10px 20px 20px;border-top:1px solid var(--line);background:rgba(255,249,246,.98)}
.mobile-drawer.is-open{display:flex}
.mobile-drawer a{padding:11px 14px;border-radius:13px;font-size:15px;font-weight:600;color:#343842}
.mobile-drawer a:hover{background:rgba(255,77,28,.08);color:var(--brand)}
.mobile-drawer a.is-active{background:var(--grad);color:#fff}
@media (min-width:1024px){.mobile-drawer{display:none !important}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;
  font-weight:700;border-radius:999px;text-align:center;
  transition:transform .2s ease,box-shadow .2s ease,background-position .35s ease,color .2s ease,border-color .2s ease,background-color .2s ease;
}
.btn-primary{background:linear-gradient(135deg,#FF7A18,#FFB020);background-size:170% 170%;color:#fff;padding:12px 22px;font-size:14.5px;box-shadow:0 10px 22px rgba(255,77,28,.28)}
.btn-primary:hover{transform:translateY(-2px);background-position:100% 50%;box-shadow:0 16px 34px rgba(255,77,28,.34)}
.btn-ghost{background:transparent;border:1.5px solid rgba(255,77,28,.38);color:var(--brand);padding:11px 21px;font-size:14.5px}
.btn-ghost:hover{background:rgba(255,77,28,.08);transform:translateY(-2px)}
.btn-lg{padding:15px 30px;font-size:16px}
.btn-block{width:100%}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;padding:40px 0 30px;overflow:hidden;
  background:linear-gradient(180deg,rgba(255,243,236,.95),rgba(255,249,246,.99)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.article-hero::after{content:"";position:absolute;right:-140px;top:-140px;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle,rgba(255,122,24,.16),transparent 68%);pointer-events:none}
.article-hero .wrap{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{opacity:.45}
.breadcrumb .current{color:#3c4049;font-weight:600}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;font-size:13px;font-weight:600;background:#fff;border:1px solid rgba(255,77,28,.28);color:var(--brand)}
.badge-cyan{background:rgba(0,196,140,.1);border-color:rgba(0,196,140,.32);color:#00845f}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);display:inline-block}
.article-title{
  font-size:clamp(27px,4.4vw,44px);font-weight:900;line-height:1.22;letter-spacing:-.02em;
  color:var(--ink);margin:16px 0 18px;max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;font-size:13.5px;color:var(--muted)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px}
.article-meta .meta-item i{width:6px;height:6px;border-radius:50%;background:var(--brand-2);display:inline-block;font-style:normal}

/* ---------- 正文布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:44px;padding:52px 0 8px}
@media (min-width:1280px){.article-layout{grid-template-columns:minmax(0,1fr) 286px;gap:56px}}
.article-main{min-width:0}
.article-body{font-size:17px;line-height:1.95;color:#33373f;max-width:74ch}
.article-body > * + *{margin-top:1.2em}
.article-body h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;color:var(--ink);line-height:1.35;margin-top:40px;letter-spacing:-.01em}
.article-body h3{font-size:20px;font-weight:700;color:var(--ink);line-height:1.45;margin-top:28px}
.article-body p{margin:0}
.article-body ul,.article-body ol{padding-left:0}
.article-body ul>li,.article-body ol>li{position:relative;padding-left:28px;margin-top:.6em}
.article-body ul>li::before{content:"";position:absolute;left:7px;top:.75em;width:8px;height:8px;border-radius:50%;background:var(--grad)}
.article-body ol{counter-reset:ol-item}
.article-body ol>li::before{
  counter-increment:ol-item;content:counter(ol-item);
  position:absolute;left:0;top:.32em;width:20px;height:20px;border-radius:7px;
  background:rgba(255,77,28,.12);color:var(--brand);font-size:12px;font-weight:800;
  display:grid;place-items:center;line-height:1;
}
.article-body blockquote{
  margin:1.7em 0;padding:16px 20px;background:#FFF4EE;border-left:4px solid var(--brand);
  border-radius:0 16px 16px 0;color:#4a4f58;
}
.article-body blockquote p{margin:0}
.article-body img{border-radius:16px;margin:1.6em auto}
.article-body figure figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body a{color:var(--brand);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
.article-body a:hover{color:#e03c0d}
.article-body strong{color:var(--ink);font-weight:700}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;font-size:15px;background:#fff}
.article-body thead th{background:#FFF4EE;text-align:left;font-weight:700;color:var(--ink)}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left}
.article-body tbody tr:nth-child(even){background:#FAFAFB}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body code{background:#F4F5F7;padding:2px 7px;border-radius:6px;font-size:.92em;color:#b8340c}

/* ---------- 侧边目录 ---------- */
.toc-card{
  display:none;position:sticky;top:96px;background:#fff;border:1px solid var(--line);
  border-radius:22px;padding:22px 22px 24px;box-shadow:var(--shadow-soft);
}
@media (min-width:1280px){.toc-card{display:block}}
.toc-card h4{font-size:13px;letter-spacing:.14em;color:var(--muted);font-weight:700;margin-bottom:14px}
.toc-card li + li{margin-top:2px}
.toc-card a{display:block;font-size:14px;color:#4a4f58;padding:8px 10px;border-radius:10px;line-height:1.5;transition:background .2s ease,color .2s ease}
.toc-card a:hover{background:#FFF4EE;color:var(--brand)}
.toc-card a.is-current{background:rgba(255,77,28,.1);color:var(--brand);font-weight:600}

/* ---------- 空态 ---------- */
.empty-state{
  background:#fff;border:1px dashed rgba(255,77,28,.3);border-radius:24px;
  padding:44px 28px;text-align:center;box-shadow:var(--shadow-soft);
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:18px;margin:0 auto 16px;display:grid;place-items:center;
  background:rgba(255,77,28,.1);color:var(--brand);font-size:24px;font-weight:800;
}
.empty-state h2{font-size:22px;font-weight:800;color:var(--ink);margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--muted);max-width:460px;margin:0 auto 22px}

/* ---------- 通用板块 ---------- */
.section{padding:60px 0}
.section-alt{background:var(--bg-alt)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:30px}
.section-title{font-size:clamp(23px,3vw,33px);font-weight:800;color:var(--ink);letter-spacing:-.02em;line-height:1.3}
.section-sub{font-size:15px;color:var(--muted);margin-top:8px;max-width:620px}
.text-link{font-size:14.5px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease,color .2s ease}
.text-link:hover{gap:10px;color:#e03c0d}

/* ---------- 相关推荐卡片 ---------- */
.related-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:700px){.related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.rcard{
  position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:24px;overflow:hidden;box-shadow:var(--shadow-soft);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,77,28,.24)}
.rcard figure{margin:0;aspect-ratio:16/10;overflow:hidden;background:#F4F5F7}
.rcard img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rcard:hover img{transform:scale(1.05)}
.rcard .rcard-tag{position:absolute;left:14px;top:14px;z-index:2;background:rgba(255,255,255,.94);border-color:rgba(255,77,28,.24)}
.rcard-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.rcard h3{font-size:17.5px;font-weight:700;line-height:1.5;color:var(--ink);transition:color .2s ease}
.rcard:hover h3{color:var(--brand)}
.rcard .rcard-desc{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rcard-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);padding-top:12px;border-top:1px solid var(--line)}

/* ---------- 评论表单 ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:var(--shadow-soft)}
.form-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:640px){.form-grid{grid-template-columns:1fr 1fr}}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600;color:#3c4049}
.field input,.field textarea{
  border:1px solid rgba(21,22,28,.12);border-radius:14px;padding:12px 15px;background:#FFFDFC;width:100%;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input{height:48px}
.field textarea{min-height:124px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#9AA0A9}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(255,77,28,.12)}
.form-tip{font-size:13px;color:var(--muted);margin-top:14px}

/* ---------- 返回入口 ---------- */
.back-entry{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  background:linear-gradient(135deg,#FFF4EE,#FFF9F6);border:1px solid rgba(255,77,28,.18);
  border-radius:22px;padding:22px 24px;
}
.back-entry p{font-size:15px;color:#4a4f58;margin:0}
.back-entry b{color:var(--ink)}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:32px;padding:48px 32px;color:#fff;
  background:linear-gradient(135deg,#FF4D1C 0%,#FF7A18 52%,#FFB020 100%);
  box-shadow:0 24px 50px rgba(255,77,28,.28);
}
.cta-band::after{content:"";position:absolute;left:-90px;bottom:-140px;width:340px;height:340px;border-radius:50%;background:rgba(255,255,255,.14);pointer-events:none}
.cta-band .cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-band h2{font-size:clamp(22px,3vw,32px);font-weight:900;letter-spacing:-.02em;line-height:1.3}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.92);max-width:520px}
.btn-white{background:#fff;color:var(--brand);padding:14px 28px;font-size:15.5px;box-shadow:0 12px 26px rgba(21,22,28,.16)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(21,22,28,.22)}
.btn-outline-white{background:transparent;border:1.5px solid rgba(255,255,255,.7);color:#fff;padding:13px 26px;font-size:15.5px}
.btn-outline-white:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:75;
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .2s ease,transform .2s ease;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta .btn{padding:14px 24px;font-size:14.5px;box-shadow:0 16px 34px rgba(255,77,28,.32)}
@media (max-width:767px){.float-cta{display:none}}
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:75;height:58px;display:none;align-items:center;gap:12px;
  padding:0 16px;background:rgba(21,22,28,.96);backdrop-filter:blur(12px);
  transform:translateY(100%);transition:transform .25s ease;
}
.mobile-bar.is-visible{transform:translateY(0)}
.mobile-bar .btn{flex:1;padding:11px 18px;font-size:14px}
.mobile-bar .bar-link{font-size:13.5px;color:#FFB020;font-weight:600;white-space:nowrap}
@media (max-width:767px){.mobile-bar{display:flex}}
@media (max-width:767px){body{padding-bottom:58px}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B9BDC7;padding:56px 0 26px;margin-top:64px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:11px;font-size:17px}
.footer-brand .brand-text b{color:#fff;font-size:16px;font-weight:800}
.footer-brand .brand-text em{color:#8b909b;font-size:11px;letter-spacing:.16em;font-style:normal}
.footer-desc{font-size:14px;line-height:1.9;color:#8f949e;max-width:340px}
.footer-col h4{font-size:14px;color:#EAECF0;font-weight:700;margin-bottom:14px}
.footer-col li + li{margin-top:10px}
.footer-col a{font-size:14px;color:#9AA0A9;transition:color .2s ease}
.footer-col a:hover{color:#FFB020}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between;font-size:13px;color:#7d828c;
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --brand:#FF4D1C;
  --brand-2:#FF7A18;
  --brand-3:#FFB020;
  --mint:#00C48C;
  --yellow:#FFD100;
  --ink:#15161C;
  --ink-2:#1E2029;
  --paper:#FFF9F6;
  --neutral:#F4F5F7;
  --text:#2A2D35;
  --muted:#6B7280;
  --line:rgba(21,22,28,.08);
  --r-lg:28px;
  --r-md:22px;
  --r-sm:14px;
  --shadow:0 8px 24px rgba(21,22,28,.06);
  --shadow-hover:0 18px 40px rgba(255,77,28,.18);
  --grad:linear-gradient(135deg,#FF7A18 0%,#FFB020 100%);
  --grad-btn:linear-gradient(135deg,#FF4D1C 0%,#FF7A18 55%,#FFB020 100%);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  color:var(--text);
  background:var(--paper);
  font-size:16px;
  line-height:1.75;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
@media (min-width:768px){.wrap{padding:0 32px}}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;font-weight:700;font-size:15px;
  border-radius:999px;padding:13px 26px;transition:all .22s ease-out;
  white-space:nowrap;line-height:1.2;
}
.btn-primary{
  color:#fff;background-image:var(--grad-btn);background-size:160% 160%;background-position:0% 50%;
  box-shadow:0 10px 24px rgba(255,77,28,.28);
}
.btn-primary:hover{background-position:100% 50%;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,77,28,.34)}
.btn-ghost{
  color:var(--ink);background:transparent;border:1.5px solid rgba(21,22,28,.16);
  border-radius:var(--r-sm);padding:12px 24px;
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(255,77,28,.05);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink);box-shadow:var(--shadow)}
.btn-light:hover{transform:translateY(-2px);color:var(--brand);box-shadow:var(--shadow-hover)}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;
}
.btn-sm{padding:10px 20px;font-size:14px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,249,246,.88);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(21,22,28,.07);background:rgba(255,249,246,.96)}
.header-inner{display:flex;align-items:center;gap:20px;height:70px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background-image:var(--grad-btn);color:#fff;font-weight:900;font-size:19px;
  box-shadow:0 8px 18px rgba(255,77,28,.3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text b{font-size:19px;font-weight:900;letter-spacing:-.02em;color:var(--ink)}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.14em}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:999px;font-size:15px;color:var(--text);
  font-weight:500;transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(255,77,28,.07)}
.nav-link.is-active{
  color:#fff;background-image:var(--grad);font-weight:700;
  box-shadow:0 8px 18px rgba(255,122,24,.28);
}
.header-cta{margin-left:8px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:12px 20px 20px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:block;padding:13px 4px;font-size:16px;border-bottom:1px dashed var(--line);color:var(--text);
}
.mobile-drawer a.is-active{color:var(--brand);font-weight:700}
.mobile-drawer .btn{width:100%;margin-top:16px}

@media (max-width:1023px){
  .nav-links,.header-cta{display:none}
  .nav-toggle{display:flex;margin-left:auto}
}

/* ---------- Banner ---------- */
.page-banner{
  position:relative;overflow:hidden;
  background-color:var(--ink);
  background-image:linear-gradient(120deg,rgba(21,22,28,.92) 0%,rgba(21,22,28,.72) 55%,rgba(255,77,28,.55) 100%),
                   url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#fff;padding:56px 0 60px;
}
.page-banner::after{
  content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,176,32,.42),rgba(255,176,32,0) 70%);
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:18px;position:relative;z-index:2}
.breadcrumb a:hover{color:var(--brand-3)}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  color:#FFE0C2;margin-bottom:16px;position:relative;z-index:2;
}
.banner-tag i{width:7px;height:7px;border-radius:50%;background:var(--mint);display:block}
.page-banner h1{
  position:relative;z-index:2;
  font-size:clamp(28px,4.4vw,46px);font-weight:900;line-height:1.18;letter-spacing:-.02em;
  max-width:860px;
}
.page-banner h1 span{
  background-image:linear-gradient(135deg,#FFB020,#FF7A18);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.banner-sub{
  position:relative;z-index:2;margin-top:16px;max-width:720px;
  color:rgba(255,255,255,.82);font-size:16px;line-height:1.85;
}
.banner-stats{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;
}
.badge-stat{
  display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  font-size:13px;color:rgba(255,255,255,.9);
}
.badge-stat b{font-size:20px;font-weight:900;color:#fff;line-height:1}
.badge-stat.mint{border-color:rgba(0,196,140,.55)}
.badge-stat.mint b{color:#5FF0C0}

/* ---------- Sections ---------- */
.section{padding:64px 0}
@media (min-width:768px){.section{padding:88px 0}}
.section.alt{background:var(--neutral)}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:.14em;
  color:var(--brand);margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(24px,3.2vw,38px);font-weight:900;letter-spacing:-.02em;line-height:1.2;color:var(--ink);
}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.85}

/* ---------- Zigzag list ---------- */
.zig-list{display:flex;flex-direction:column;gap:32px}
.zig{
  display:grid;grid-template-columns:1fr;gap:22px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--shadow);transition:transform .25s ease-out,box-shadow .25s ease-out;
}
.zig:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.zig-media{
  position:relative;overflow:hidden;border-radius:var(--r-md);
  aspect-ratio:5/4;background:var(--neutral);
}
.zig-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.zig:hover .zig-media img{transform:scale(1.05)}
.chip{
  position:absolute;left:14px;top:14px;z-index:2;
  font-size:12px;font-weight:700;padding:6px 12px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--brand);box-shadow:0 6px 16px rgba(21,22,28,.12);
}
.zig-body h3{font-size:21px;font-weight:800;color:var(--ink);line-height:1.35}
.zig-body p{margin-top:12px;color:var(--muted);font-size:15.5px;line-height:1.85}
.zig-foot{
  margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted);
}
.zig-foot .link{color:var(--brand);font-weight:700;display:inline-flex;align-items:center;gap:6px}
.zig-foot .link:hover{gap:10px}
.step-mini{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;
}
.step-mini span{
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  background:rgba(0,196,140,.1);color:#087d5c;font-weight:600;
}
@media (min-width:900px){
  .zig{grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:34px;padding:26px}
  .zig:nth-child(even) .zig-media{order:2}
  .zig-body h3{font-size:23px}
}

/* ---------- Flow strip ---------- */
.flow{display:grid;grid-template-columns:1fr;gap:18px}
.flow-step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.flow-step::before{
  content:"";position:absolute;left:0;top:0;height:100%;width:4px;background-image:var(--grad);
}
.flow-num{
  font-size:30px;font-weight:900;line-height:1;
  background-image:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.flow-step h3{margin-top:12px;font-size:18px;font-weight:800;color:var(--ink)}
.flow-step p{margin-top:8px;font-size:15px;color:var(--muted);line-height:1.8}
@media (min-width:768px){.flow{grid-template-columns:repeat(3,1fr)}}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  overflow:hidden;transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item:hover{box-shadow:var(--shadow)}
.faq-item.is-open{border-color:rgba(255,77,28,.35);box-shadow:var(--shadow)}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;text-align:left;
  padding:20px 22px;font-size:16.5px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-arrow{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;background:var(--neutral);color:var(--ink);
  font-size:13px;transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);background-image:var(--grad);color:#fff}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .32s ease;
  border-left:0 solid transparent;
}
.faq-item.is-open .faq-a{border-left:4px solid transparent;border-image:var(--grad) 1}
.faq-a-inner{padding:0 22px 22px;color:var(--muted);font-size:15.5px;line-height:1.9}

/* ---------- Pagination ---------- */
.pager{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:44px;flex-wrap:wrap}
.pager a,.pager span{
  min-width:44px;height:44px;padding:0 14px;border-radius:14px;display:inline-flex;
  align-items:center;justify-content:center;font-size:14.5px;font-weight:600;
  background:#fff;border:1px solid var(--line);color:var(--text);transition:.2s ease;
}
.pager a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.pager .current{background-image:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(255,122,24,.3)}
.pager .disabled{color:#C7CAD1;background:var(--neutral);cursor:not-allowed}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(120deg,#FF4D1C 0%,#FF7A18 55%,#FFB020 100%);
}
.cta-band::before{
  content:"";position:absolute;left:-40px;bottom:-70px;width:260px;height:260px;border-radius:50%;
  border:36px solid rgba(255,255,255,.12);
}
.cta-inner{
  position:relative;z-index:2;display:flex;flex-direction:column;gap:22px;
  align-items:flex-start;padding:52px 0;
}
.cta-inner h2{font-size:clamp(24px,3.2vw,36px);font-weight:900;line-height:1.25}
.cta-inner p{max-width:640px;color:rgba(255,255,255,.9);font-size:16px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
@media (min-width:900px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:60px 0}
  .cta-inner>div:first-child{max-width:660px}
}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:56px 0 24px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand .brand-text b{color:#fff}
.footer-brand .brand-text em{color:rgba(255,255,255,.5)}
.footer-desc{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-col h4{font-size:14px;color:rgba(255,255,255,.86);font-weight:700;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.62);transition:color .2s ease}
.footer-col a:hover{color:var(--brand-3)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.48);
}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}}

/* ---------- Floating CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:999px;font-weight:800;font-size:15px;color:#fff;
  background-image:var(--grad-btn);box-shadow:0 16px 34px rgba(255,77,28,.32);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .2s ease-out,transform .2s ease-out;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{transform:translateY(-2px)}
@media (max-width:767px){
  .float-cta{right:12px;left:12px;bottom:12px;justify-content:center;padding:14px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --orange:#FF4D1C;
  --gloss:#FF7A18;
  --amber:#FFB020;
  --cyan:#00C48C;
  --volt:#FFD100;
  --ink:#15161C;
  --ink-2:#1E2029;
  --paper:#FFF9F6;
  --neutral:#F4F5F7;
  --text:#2A2D35;
  --muted:#6B7280;
  --line:rgba(21,22,28,.08);
  --disabled:#C7CAD1;
  --r-lg:28px;
  --r-md:22px;
  --r-sm:14px;
  --sh-soft:0 8px 24px rgba(21,22,28,.06);
  --sh-hover:0 18px 40px rgba(255,77,28,.18);
  --grad:linear-gradient(135deg,#FF7A18 0%,#FFB020 100%);
  --grad-hot:linear-gradient(135deg,#FF4D1C 0%,#FF7A18 100%);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:8px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============ 容器 ============ */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.wrap{padding:0 32px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,249,246,.88);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(21,22,28,.08);background:rgba(255,249,246,.96)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px;transition:height .25s ease;position:relative}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:14px;flex-shrink:0;
  background:var(--grad-hot);color:#fff;
  display:grid;place-items:center;font-weight:900;font-size:18px;
  box-shadow:0 8px 18px rgba(255,77,28,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-text b{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:11.5px;letter-spacing:.16em;color:var(--muted)}
.nav-links{display:none}
@media (min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:4px}
}
.nav-link{
  display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:#3b3f4a;
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--orange);background:rgba(255,77,28,.08)}
.nav-link.is-active{background:var(--grad);color:#fff;font-weight:600;box-shadow:0 8px 18px rgba(255,122,24,.3)}
.header-actions{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;line-height:1;
  border:1px solid transparent;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-hot);color:#fff;padding:13px 24px;box-shadow:0 10px 24px rgba(255,77,28,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,77,28,.36)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:rgba(255,77,28,.35);color:var(--orange);padding:13px 24px}
.btn-outline:hover{background:rgba(255,77,28,.07);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-ghost{color:#fff;border-color:rgba(255,255,255,.45);padding:12px 22px}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.nav-toggle{
  width:42px;height:42px;border-radius:14px;border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:.25s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (min-width:1024px){.nav-toggle{display:none}}
.nav-links.is-open{
  display:flex;flex-direction:column;align-items:stretch;gap:6px;
  position:absolute;top:72px;left:20px;right:20px;
  background:#fff;padding:14px;border-radius:22px;
  box-shadow:0 20px 44px rgba(21,22,28,.16);border:1px solid var(--line);
}
.nav-links.is-open .nav-link{padding:12px 14px;border-radius:14px;font-size:15px}

/* ============ 页面横幅 ============ */
.page-banner{
  position:relative;
  padding:58px 0 62px;
  background-image:linear-gradient(135deg,rgba(21,22,28,.93),rgba(30,32,41,.82)),url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  color:#fff;overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;right:-60px;top:-40px;width:280px;height:280px;
  background:radial-gradient(circle,rgba(255,122,24,.42),transparent 68%);
  pointer-events:none;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:18px;position:relative}
.breadcrumb a{color:rgba(255,255,255,.85);transition:color .2s ease}
.breadcrumb a:hover{color:var(--amber)}
.breadcrumb .sep{opacity:.5}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,122,24,.16);border:1px solid rgba(255,176,32,.4);
  color:#FFD9A8;margin-bottom:18px;
}
.banner-tag i{width:7px;height:7px;border-radius:50%;background:var(--cyan);display:block}
.page-title{
  font-size:clamp(30px,4.6vw,50px);
  font-weight:900;line-height:1.16;letter-spacing:-.02em;
  color:#fff;max-width:22ch;position:relative;
}
.page-title b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.page-sub{
  margin-top:18px;max-width:64ch;color:rgba(255,255,255,.76);
  font-size:16px;line-height:1.85;position:relative;
}
.banner-meta{
  margin-top:24px;display:flex;flex-wrap:wrap;gap:10px 22px;
  font-size:13.5px;color:rgba(255,255,255,.72);position:relative;
}
.banner-meta span{display:inline-flex;align-items:center;gap:7px}
.banner-meta span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber)}

/* ============ 通用板块 ============ */
.section{padding:64px 0}
@media (min-width:768px){.section{padding:80px 0}}
.section-neutral{background:var(--neutral)}
.section-white{background:#fff}
.section-head{max-width:720px;margin-bottom:36px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--orange);text-transform:uppercase;margin-bottom:12px;
}
.section-title{
  font-size:clamp(24px,3.2vw,36px);font-weight:800;line-height:1.25;
  letter-spacing:-.01em;color:var(--ink);
}
.section-desc{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.8}

/* ============ 数据徽章 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (min-width:900px){.stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:22px 20px;box-shadow:var(--sh-soft);
  display:flex;flex-direction:column;gap:6px;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,77,28,.3)}
.stat-top{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);font-weight:500}
.stat-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan)}
.stat-dot.orange{background:var(--orange)}
.stat-dot.volt{background:var(--volt)}
.stat-num{font-size:clamp(28px,3.4vw,38px);font-weight:900;color:var(--ink);line-height:1.1;letter-spacing:-.02em}
.stat-num small{font-size:14px;font-weight:700;color:var(--muted);margin-left:4px;letter-spacing:0}

/* ============ 时间轴 ============ */
.timeline{position:relative}
.tl-item{
  position:relative;padding:0 0 26px 34px;
  border-bottom:1px dashed transparent;
}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:8px;top:8px;bottom:-4px;width:2px;
  background:linear-gradient(180deg,var(--gloss),rgba(255,176,32,.25));
}
.tl-item:last-child::before{display:none}
.tl-dot{
  position:absolute;left:0;top:6px;width:18px;height:18px;border-radius:50%;
  background:#fff;border:2px solid var(--orange);
  box-shadow:0 0 0 4px rgba(255,77,28,.1);
}
.tl-dot.cyan{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(0,196,140,.12)}
.tl-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:8px}
.tl-time{font-size:14px;font-weight:800;color:var(--orange)}
.tl-title{font-size:17px;font-weight:700;color:var(--ink);line-height:1.5}
.tl-desc{margin-top:6px;font-size:14.5px;color:var(--muted);line-height:1.7}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(255,77,28,.08);color:var(--orange);
}
.tag-teal{background:rgba(0,196,140,.1);color:#00996d}
.tag-ink{background:rgba(21,22,28,.06);color:#4b505c}

/* ============ 数据表 ============ */
.table-shell{
  background:#fff;border:1px solid var(--line);border-radius:24px;
  box-shadow:var(--sh-soft);overflow:hidden;
}
.table-head-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 24px;border-bottom:1px solid var(--line);
}
.table-head-bar h3{font-size:17px;font-weight:800;color:var(--ink)}
.table-head-bar span{font-size:13px;color:var(--muted)}
.data-table{width:100%;border-collapse:collapse;font-size:14.5px}
.data-table thead th{
  text-align:left;padding:14px 20px;font-size:12.5px;font-weight:700;
  letter-spacing:.08em;color:var(--muted);background:var(--neutral);
  white-space:nowrap;
}
.data-table tbody td{padding:14px 20px;border-top:1px solid var(--line);color:var(--text)}
.data-table tbody tr:nth-child(odd){background:#fff}
.data-table tbody tr:nth-child(even){background:#FBFBFC}
.data-table tbody tr:hover{background:rgba(255,122,24,.07)}
.data-table .cell-strong{font-weight:700;color:var(--ink)}
.data-table .cell-num{font-variant-numeric:tabular-nums;font-weight:700;color:var(--ink)}
.table-note{padding:16px 24px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);background:#FBFBFC}
.table-scroll{overflow-x:auto}
video-note{display:none}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}}
.m-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-soft);display:flex;flex-direction:column;
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.m-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.m-card-media{position:relative;display:block;aspect-ratio:16/10;overflow:hidden}
.m-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.m-card:hover .m-card-media img{transform:scale(1.05)}
.m-badge{
  position:absolute;left:14px;top:14px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(21,22,28,.72);color:#fff;backdrop-filter:blur(6px);
}
.m-badge.hot{background:var(--grad-hot)}
.m-card-body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1}
.m-card-title{font-size:16.5px;font-weight:700;line-height:1.5;color:var(--ink)}
.m-card-title a{transition:color .2s ease}
.m-card-title a:hover{color:var(--orange)}
.m-card-desc{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.m-card-foot{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);border-top:1px solid var(--line);
}
.m-arrow{color:var(--orange);font-weight:700;transition:transform .2s ease}
.m-card:hover .m-arrow{transform:translateX(3px)}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  overflow:hidden;transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item.is-open{box-shadow:0 14px 32px rgba(255,77,28,.12);border-color:rgba(255,77,28,.28)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:700;color:var(--ink);
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;border-radius:0 4px 4px 0;
  background:var(--grad);opacity:0;transition:opacity .2s ease;
}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-icon{
  width:28px;height:28px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;background:rgba(255,77,28,.09);color:var(--orange);
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--grad-hot);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 22px 20px;font-size:14.8px;color:var(--muted);line-height:1.85}

/* ============ 分页 ============ */
.pager{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;margin-top:40px}
.pager span,.pager a{
  min-width:42px;height:42px;padding:0 14px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:600;color:#4b505c;background:#fff;
  border:1px solid var(--line);transition:.2s ease;
}
.pager a:hover{color:var(--orange);border-color:rgba(255,77,28,.4);transform:translateY(-2px)}
.pager .current{background:var(--grad-hot);color:#fff;border-color:transparent;box-shadow:0 10px 22px rgba(255,77,28,.26)}
.pager .muted{color:var(--disabled)}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background-image:linear-gradient(135deg,rgba(255,77,28,.94),rgba(255,176,32,.9)),url(/assets/images/backpic/back-3.png);
  background-size:cover;background-position:center;
  border-radius:var(--r-lg);padding:44px 28px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:0 24px 54px rgba(255,77,28,.24);
}
.cta-band h2{font-size:clamp(22px,2.8vw,32px);font-weight:900;line-height:1.3;letter-spacing:-.01em}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.9);max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn-primary{background:#fff;color:var(--orange);box-shadow:0 12px 26px rgba(21,22,28,.18)}
.cta-band .btn-primary:hover{box-shadow:0 18px 36px rgba(21,22,28,.26)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text b{color:#fff}
.footer-brand .brand-text em{color:rgba(255,255,255,.55)}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:38ch}
.footer-col h4{font-size:14px;font-weight:700;color:rgba(255,255,255,.9);margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease,padding-left .2s ease}
.footer-col ul li a:hover{color:var(--amber);padding-left:3px}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:70;
  display:none;align-items:center;gap:8px;
  padding:13px 22px;border-radius:999px;
  background:var(--grad-hot);color:#fff;font-weight:700;font-size:14px;
  box-shadow:0 16px 34px rgba(255,77,28,.34);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .2s ease,transform .2s ease;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{transform:translateY(-2px)}
@media (min-width:1024px){.float-cta{display:inline-flex}}
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:56px;display:flex;align-items:center;gap:10px;
  padding:0 14px;background:rgba(255,255,255,.97);
  border-top:1px solid var(--line);box-shadow:0 -8px 22px rgba(21,22,28,.08);
  transform:translateY(0);transition:transform .25s ease;
}
.mobile-bar.hide{transform:translateY(110%)}
.mobile-bar .btn{flex:1;padding:11px 16px;font-size:14.5px}
.mobile-bar-link{
  flex:0 0 auto;font-size:14px;font-weight:600;color:var(--muted);padding:0 6px;
}
@media (min-width:1024px){.mobile-bar{display:none}}
@media (max-width:1023px){body{padding-bottom:56px}}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category4 */
:root{
    --brand:#FF4D1C;
    --brand-2:#FF7A18;
    --brand-3:#FFB020;
    --cyan:#00C48C;
    --yellow:#FFD100;
    --ink:#15161C;
    --ink-2:#1E2029;
    --bg:#FFF9F6;
    --neutral:#F4F5F7;
    --text:#2A2D35;
    --muted:#6B7280;
    --line:rgba(21,22,28,.08);
    --grad:linear-gradient(135deg,#FF7A18 0%,#FFB020 100%);
    --grad-strong:linear-gradient(135deg,#FF4D1C 0%,#FF7A18 100%);
    --r-lg:28px;
    --r-md:20px;
    --r-sm:14px;
    --sh:0 8px 24px rgba(21,22,28,.06);
    --sh-hover:0 18px 40px rgba(255,77,28,.18);
    --ease:cubic-bezier(.22,.61,.36,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.75;
    color:var(--text);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
  .wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.wrap{padding:0 32px}}
  .num{font-variant-numeric:tabular-nums}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,249,246,.86);
    backdrop-filter:saturate(180%) blur(14px);
    -webkit-backdrop-filter:saturate(180%) blur(14px);
    border-bottom:1px solid transparent;
    transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
  }
  .site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(21,22,28,.06);background:rgba(255,249,246,.94)}
  .header-inner{display:flex;align-items:center;gap:18px;height:74px;transition:height .25s var(--ease);position:relative}
  .site-header.is-scrolled .header-inner{height:62px}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .brand-mark{
    width:38px;height:38px;border-radius:12px;background:var(--grad-strong);color:#fff;
    font-weight:900;font-size:19px;display:grid;place-items:center;
    box-shadow:0 8px 18px rgba(255,77,28,.28);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.05}
  .brand-text b{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
  .brand-text em{font-style:normal;font-size:11.5px;color:var(--muted);letter-spacing:.16em}
  .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
  .nav-link{
    padding:9px 14px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--text);
    transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
    white-space:nowrap;
  }
  .nav-link:hover{color:var(--brand);background:rgba(255,77,28,.08)}
  .nav-link.is-active{background:var(--grad-strong);color:#fff;box-shadow:0 10px 20px rgba(255,77,28,.26)}
  .nav-link.is-active:hover{color:#fff}
  .header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .nav-toggle{
    display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
    background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;
  }
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.25s var(--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)}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    font-weight:700;font-size:15px;padding:13px 26px;border-radius:999px;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
    border:1px solid transparent;white-space:nowrap;
  }
  .btn-primary{background:var(--grad-strong);color:#fff;box-shadow:0 10px 24px rgba(255,77,28,.28)}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,77,28,.34);background:linear-gradient(135deg,#FF5A28 0%,#FF8A22 100%)}
  .btn-ghost{border-color:rgba(21,22,28,.16);color:var(--ink);background:#fff}
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh)}
  .btn-sm{padding:9px 18px;font-size:14px}
  .btn-light{background:#fff;color:var(--brand);box-shadow:0 12px 28px rgba(0,0,0,.18)}
  .btn-light:hover{transform:translateY(-2px);color:#E23E10}
  .btn-outline-light{border-color:rgba(255,255,255,.42);color:#fff}
  .btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}

  /* ---------- banner ---------- */
  .banner{
    position:relative;overflow:hidden;color:#fff;
    background:
      radial-gradient(760px 380px at 8% -20%, rgba(255,122,24,.42), transparent 62%),
      radial-gradient(560px 320px at 96% 6%, rgba(0,196,140,.18), transparent 66%),
      linear-gradient(135deg,#15161C 0%,#1E2029 100%);
    padding:62px 0 56px;
  }
  .banner::after{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.16;
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
    mix-blend-mode:overlay;
  }
  .banner .wrap{position:relative;z-index:2}
  .banner-tape{
    position:absolute;top:44px;right:-70px;width:320px;height:14px;border-radius:999px;
    background:linear-gradient(90deg,rgba(255,122,24,0),#FF7A18,#FFD100);
    transform:rotate(-18deg);opacity:.85;
  }
  .crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:20px}
  .crumb a{color:rgba(255,255,255,.82)}
  .crumb a:hover{color:var(--brand-3)}
  .crumb span.sep{opacity:.5}
  .banner h1{
    color:#fff;font-size:clamp(30px,4.6vw,50px);line-height:1.15;letter-spacing:-.02em;
    max-width:900px;font-weight:900;
  }
  .banner h1 mark{background:none;color:var(--brand-3)}
  .banner-sub{margin-top:18px;font-size:16.5px;color:rgba(255,255,255,.76);max-width:720px}
  .banner-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
  .banner-chip{
    display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;
    background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
    font-size:13.5px;font-weight:600;color:#fff;
  }
  .banner-chip .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan)}
  .banner-chip .dot.orange{background:var(--brand-2)}
  .banner-chip .dot.yellow{background:var(--yellow)}

  /* ---------- section shell ---------- */
  .section{padding:72px 0}
  .section.alt{background:var(--neutral)}
  @media (min-width:768px){.section{padding:96px 0}}
  .sec-head{max-width:720px;margin-bottom:44px}
  .sec-tag{
    display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
    background:rgba(255,77,28,.1);color:var(--brand);font-size:13px;font-weight:700;margin-bottom:16px;
  }
  .sec-head h2{font-size:clamp(24px,3.2vw,38px);line-height:1.2}
  .sec-head p{margin-top:14px;color:var(--muted);font-size:16px}

  /* ---------- 图文说明块交替 ---------- */
  .blocks{display:flex;flex-direction:column;gap:56px}
  .block{display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
  @media (min-width:960px){
    .block{grid-template-columns:1fr 1fr;gap:56px}
    .block.reverse .block-media{order:2}
  }
  .block-media{
    position:relative;border-radius:var(--r-lg);overflow:hidden;background:#fff;
    box-shadow:var(--sh);border:1px solid var(--line);aspect-ratio:5/4;
  }
  .block-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
  .block:hover .block-media img{transform:scale(1.04)}
  .block-media .tag{
    position:absolute;left:16px;top:16px;padding:6px 14px;border-radius:999px;
    background:rgba(21,22,28,.72);color:#fff;font-size:12.5px;font-weight:700;backdrop-filter:blur(6px);
  }
  .block-index{
    display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:800;color:var(--brand);margin-bottom:14px;
  }
  .block-index i{
    width:30px;height:30px;border-radius:10px;background:var(--grad);color:#fff;font-style:normal;
    display:grid;place-items:center;font-size:13px;box-shadow:0 8px 16px rgba(255,122,24,.28);
  }
  .block h3{font-size:clamp(21px,2.4vw,27px);line-height:1.3}
  .block p{margin-top:14px;color:var(--muted);font-size:15.5px}
  .check-list{margin-top:20px;display:flex;flex-direction:column;gap:10px}
  .check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text)}
  .check-list li::before{
    content:"";flex:0 0 20px;height:20px;margin-top:3px;border-radius:50%;
    background:rgba(0,196,140,.14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300C48C' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat;
  }

  /* ---------- 卡片网格 ---------- */
  .card-grid{display:grid;grid-template-columns:1fr;gap:24px}
  @media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}
  .card{
    display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,77,28,.28)}
  .card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--neutral)}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
  .card:hover .card-media img{transform:scale(1.05)}
  .card-badge{
    position:absolute;left:12px;top:12px;padding:5px 12px;border-radius:999px;
    font-size:12px;font-weight:700;color:#fff;background:rgba(21,22,28,.72);backdrop-filter:blur(6px);
  }
  .card-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
  .card-body h3{font-size:17.5px;line-height:1.45;transition:color .2s var(--ease)}
  .card:hover .card-body h3{color:var(--brand)}
  .card-body p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.7}
  .card-foot{
    margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
    font-size:13px;color:var(--muted);border-top:1px solid var(--line);margin-top:18px;
  }
  .card-foot .go{font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:5px}
  .card:hover .card-foot .go{gap:9px}

  /* ---------- FAQ ---------- */
  .faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
    transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
  }
  .faq-item:hover{box-shadow:var(--sh)}
  .faq-item.is-open{border-color:rgba(255,77,28,.3);box-shadow:0 14px 34px rgba(255,77,28,.12)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 22px;text-align:left;font-size:16.5px;font-weight:700;color:var(--ink);
  }
  .faq-q .arrow{
    flex:0 0 30px;height:30px;border-radius:50%;background:var(--neutral);color:var(--brand);
    display:grid;place-items:center;font-size:13px;transition:transform .3s var(--ease),background .3s var(--ease);
  }
  .faq-item.is-open .faq-q .arrow{transform:rotate(180deg);background:var(--grad-strong);color:#fff}
  .faq-a{max-height:0;overflow:hidden;opacity:0;transition:max-height .34s var(--ease),opacity .3s var(--ease),padding .3s var(--ease);padding:0 22px}
  .faq-item.is-open .faq-a{max-height:360px;opacity:1;padding:0 22px 22px}
  .faq-a p{font-size:15px;color:var(--muted);line-height:1.8;border-left:4px solid transparent;
    border-image:linear-gradient(180deg,#FF7A18,#FFB020) 1;padding-left:16px}
  .faq-a p strong{color:var(--ink)}

  /* ---------- stat strip ---------- */
  .stat-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:8px}
  @media (min-width:768px){.stat-strip{grid-template-columns:repeat(4,1fr)}}
  .stat{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px;
    box-shadow:var(--sh);
  }
  .stat b{display:block;font-size:clamp(26px,3.4vw,36px);font-weight:900;color:var(--brand);line-height:1.1}
  .stat b em{font-style:normal;font-size:14px;font-weight:700;color:var(--muted);margin-left:4px}
  .stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted)}

  /* ---------- pagination ---------- */
  .pagination{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:48px}
  .page-link{
    min-width:42px;height:42px;padding:0 14px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
    background:#fff;border:1px solid var(--line);font-size:14px;font-weight:700;color:var(--text);
    transition:.2s var(--ease);
  }
  .page-link:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
  .page-link.current{background:var(--grad-strong);border-color:transparent;color:#fff;box-shadow:0 10px 20px rgba(255,77,28,.26)}
  .page-link.muted{color:#9AA0A9;pointer-events:none;background:var(--neutral)}

  /* ---------- CTA band ---------- */
  .cta-band{
    position:relative;overflow:hidden;border-radius:var(--r-lg);padding:52px 32px;text-align:center;color:#fff;
    background:radial-gradient(600px 300px at 12% 0%, rgba(255,209,0,.28), transparent 60%), linear-gradient(135deg,#FF4D1C 0%,#FF7A18 55%,#FFB020 100%);
    box-shadow:0 24px 60px rgba(255,77,28,.28);
  }
  .cta-band h2{color:#fff;font-size:clamp(24px,3.4vw,36px);line-height:1.22}
  .cta-band p{margin:16px auto 0;max-width:640px;color:rgba(255,255,255,.9);font-size:16px}
  .cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:30px}

  /* ---------- footer ---------- */
  .site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 26px;margin-top:0}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
  @media (min-width:768px){.footer-grid{grid-template-columns:1.6fr 1fr 1.2fr 1.2fr;gap:32px}}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
  .footer-brand .brand-mark{box-shadow:0 8px 18px rgba(255,122,24,.3)}
  .footer-brand .brand-text b{color:#fff}
  .footer-brand .brand-text em{color:rgba(255,255,255,.55)}
  .footer-desc{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.6);max-width:340px}
  .footer-col h4{font-size:14px;color:rgba(255,255,255,.9);margin-bottom:16px;font-weight:700;letter-spacing:.02em}
  .footer-col ul{display:flex;flex-direction:column;gap:11px}
  .footer-col a{font-size:14.5px;color:rgba(255,255,255,.62);transition:color .2s var(--ease),padding-left .2s var(--ease)}
  .footer-col a:hover{color:var(--brand-3);padding-left:4px}
  .footer-bottom{
    margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13.5px;color:rgba(255,255,255,.5);
  }

  /* ---------- floating CTA ---------- */
  .float-cta{
    position:fixed;right:28px;bottom:28px;z-index:70;
    display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:999px;
    background:var(--grad-strong);color:#fff;font-weight:700;font-size:15px;
    box-shadow:0 18px 40px rgba(255,77,28,.36);
    opacity:0;transform:translateY(14px);pointer-events:none;
    transition:opacity .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  }
  .float-cta.is-show{opacity:1;transform:translateY(0);pointer-events:auto}
  .float-cta:hover{box-shadow:0 22px 48px rgba(255,77,28,.44);transform:translateY(-2px)}
  .mobile-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:70;height:56px;display:none;
    align-items:center;gap:12px;padding:0 16px;background:rgba(255,255,255,.96);
    border-top:1px solid var(--line);backdrop-filter:blur(12px);
    transform:translateY(100%);transition:transform .25s var(--ease);
  }
  .mobile-bar.is-show{transform:translateY(0)}
  .mobile-bar .btn{flex:1;padding:11px 16px;font-size:14.5px}
  .mobile-bar .mobile-bar-link{font-size:14px;font-weight:700;color:var(--brand);white-space:nowrap}

  @media (max-width:1023px){
    .nav-toggle{display:flex}
    .nav-links{
      position:absolute;left:0;right:0;top:100%;margin-left:0;
      flex-direction:column;align-items:stretch;gap:6px;padding:16px 20px 22px;
      background:#fff;border-bottom:1px solid var(--line);box-shadow:0 20px 34px rgba(21,22,28,.1);
      display:none;
    }
    .nav-links.is-open{display:flex}
    .nav-link{padding:12px 16px;border-radius:14px;font-size:15px}
    .header-actions .btn-sm{display:none}
  }
  @media (max-width:767px){
    .float-cta{display:none}
    .mobile-bar{display:flex}
    body{padding-bottom:56px}
    .banner{padding:46px 0 42px}
    .cta-band{padding:40px 22px}
    .block-media{aspect-ratio:16/10}
    .card-grid{gap:18px}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  }